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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.34 by jsr166, Sun Jun 1 21:17:05 2014 UTC vs.
Revision 1.121 by jsr166, Sun Sep 6 21:14:12 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	>
11	>	import java.util.ArrayList;
12	>	import java.util.List;
13	>	import java.util.Objects;
14		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
15		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
16		import java.util.concurrent.CompletableFuture;
17		import java.util.concurrent.CompletionException;
18	+	import java.util.concurrent.CompletionStage;
19	+	import java.util.concurrent.ExecutionException;
20	+	import java.util.concurrent.Executor;
21	+	import java.util.concurrent.ForkJoinPool;
22	+	import java.util.concurrent.ForkJoinTask;
23		import java.util.concurrent.TimeoutException;
24	+	import java.util.concurrent.TimeUnit;
25		import java.util.concurrent.atomic.AtomicInteger;
26	<	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;
26	>	import java.util.concurrent.atomic.AtomicReference;
27		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
28		import java.util.function.BiFunction;
29	+	import java.util.function.Consumer;
30	+	import java.util.function.Function;
31	+	import java.util.function.Supplier;
32	+
33	+	import junit.framework.Test;
34	+	import junit.framework.TestSuite;
35
36		public class CompletableFutureTest extends JSR166TestCase {
37
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run(suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 47 | public class CompletableFutureTest exten
47		void checkIncomplete(CompletableFuture<?> f) {
48		assertFalse(f.isDone());
49		assertFalse(f.isCancelled());
50	<	assertTrue(f.toString().contains("[Not completed]"));
50	>	assertTrue(f.toString().contains("Not completed"));
51		try {
52		assertNull(f.getNow(null));
53		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 54 | Line 60 | public class CompletableFutureTest exten
60		}
61
62		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
63	<	try {
64	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	>	checkTimedGet(f, value);
64	>
65		try {
66		assertEquals(value, f.join());
67		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 72 | Line 77 | public class CompletableFutureTest exten
77		assertTrue(f.toString().contains("[Completed normally]"));
78		}
79
80	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
81	<	try {
82	<	f.get(LONG_DELAY_MS, MILLISECONDS);
83	<	shouldThrow();
84	<	} catch (ExecutionException success) {
85	<	assertTrue(success.getCause() instanceof CFException);
86	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
87	<	try {
88	<	f.join();
89	<	shouldThrow();
90	<	} catch (CompletionException success) {
91	<	assertTrue(success.getCause() instanceof CFException);
92	<	}
93	<	try {
94	<	f.getNow(null);
95	<	shouldThrow();
96	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
80	>	/**
81	>	* Returns the "raw" internal exceptional completion of f,
82	>	* without any additional wrapping with CompletionException.
83	>	*/
84	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
85	>	// handle (and whenComplete) can distinguish between "direct"
86	>	// and "wrapped" exceptional completion
87	>	return f.handle((U u, Throwable t) -> t).join();
88	>	}
89	>
90	>	void checkCompletedExceptionally(CompletableFuture<?> f,
91	>	boolean wrapped,
92	>	Consumer<Throwable> checker) {
93	>	Throwable cause = exceptionalCompletion(f);
94	>	if (wrapped) {
95	>	assertTrue(cause instanceof CompletionException);
96	>	cause = cause.getCause();
97		}
98	<	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	<	}
98	>	checker.accept(cause);
99
100	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
100	>	long startTime = System.nanoTime();
101		try {
102		f.get(LONG_DELAY_MS, MILLISECONDS);
103		shouldThrow();
104		} catch (ExecutionException success) {
105	<	assertSame(ex, success.getCause());
105	>	assertSame(cause, success.getCause());
106		} catch (Throwable fail) { threadUnexpectedException(fail); }
107	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
108	+
109		try {
110		f.join();
111		shouldThrow();
112		} catch (CompletionException success) {
113	<	assertSame(ex, success.getCause());
114	<	}
113	>	assertSame(cause, success.getCause());
114	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
115	>
116		try {
117		f.getNow(null);
118		shouldThrow();
119		} catch (CompletionException success) {
120	<	assertSame(ex, success.getCause());
121	<	}
120	>	assertSame(cause, success.getCause());
121	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
122	>
123		try {
124		f.get();
125		shouldThrow();
126		} catch (ExecutionException success) {
127	<	assertSame(ex, success.getCause());
127	>	assertSame(cause, success.getCause());
128		} catch (Throwable fail) { threadUnexpectedException(fail); }
129	<	assertTrue(f.isDone());
129	>
130		assertFalse(f.isCancelled());
131	+	assertTrue(f.isDone());
132	+	assertTrue(f.isCompletedExceptionally());
133		assertTrue(f.toString().contains("[Completed exceptionally]"));
134		}
135
136	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
137	+	checkCompletedExceptionally(f, true,
138	+	(t) -> assertTrue(t instanceof CFException));
139	+	}
140	+
141	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
142	+	checkCompletedExceptionally(f, true,
143	+	(t) -> assertTrue(t instanceof CancellationException));
144	+	}
145	+
146	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
147	+	checkCompletedExceptionally(f, false,
148	+	(t) -> assertTrue(t instanceof TimeoutException));
149	+	}
150	+
151	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
152	+	Throwable ex) {
153	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
154	+	}
155	+
156	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
157	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
158	+	}
159	+
160		void checkCancelled(CompletableFuture<?> f) {
161	+	long startTime = System.nanoTime();
162		try {
163		f.get(LONG_DELAY_MS, MILLISECONDS);
164		shouldThrow();
165		} catch (CancellationException success) {
166		} catch (Throwable fail) { threadUnexpectedException(fail); }
167	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
168	+
169		try {
170		f.join();
171		shouldThrow();
#	Line 152 | Line 179 | public class CompletableFutureTest exten
179		shouldThrow();
180		} catch (CancellationException success) {
181		} 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	–	}
182
183	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
184	<	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); }
183	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
184	>
185		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
186		assertTrue(f.isCompletedExceptionally());
187	+	assertTrue(f.isCancelled());
188		assertTrue(f.toString().contains("[Completed exceptionally]"));
189		}
190
#	Line 203 | Line 202 | public class CompletableFutureTest exten
202		* isCancelled, join, get, and getNow
203		*/
204		public void testComplete() {
205	+	for (Integer v1 : new Integer[] { 1, null })
206	+	{
207		CompletableFuture<Integer> f = new CompletableFuture<>();
208		checkIncomplete(f);
209	<	f.complete(one);
210	<	checkCompletedNormally(f, one);
211	<	}
209	>	assertTrue(f.complete(v1));
210	>	assertFalse(f.complete(v1));
211	>	checkCompletedNormally(f, v1);
212	>	}}
213
214		/**
215		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 217 | public class CompletableFutureTest exten
217		*/
218		public void testCompleteExceptionally() {
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220	+	CFException ex = new CFException();
221		checkIncomplete(f);
222	<	f.completeExceptionally(new CFException());
223	<	checkCompletedWithWrappedCFException(f);
222	>	f.completeExceptionally(ex);
223	>	checkCompletedExceptionally(f, ex);
224		}
225
226		/**
#	Line 225 | Line 228 | public class CompletableFutureTest exten
228		* methods isDone, isCancelled, join, get, and getNow
229		*/
230		public void testCancel() {
231	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
232	+	{
233		CompletableFuture<Integer> f = new CompletableFuture<>();
234		checkIncomplete(f);
235	<	assertTrue(f.cancel(true));
235	>	assertTrue(f.cancel(mayInterruptIfRunning));
236	>	assertTrue(f.cancel(mayInterruptIfRunning));
237	>	assertTrue(f.cancel(!mayInterruptIfRunning));
238		checkCancelled(f);
239	<	}
239	>	}}
240
241		/**
242		* obtrudeValue forces completion with given value
#	Line 237 | Line 244 | public class CompletableFutureTest exten
244		public void testObtrudeValue() {
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	f.complete(one);
247	>	assertTrue(f.complete(one));
248		checkCompletedNormally(f, one);
249		f.obtrudeValue(three);
250		checkCompletedNormally(f, three);
#	Line 246 | Line 253 | public class CompletableFutureTest exten
253		f = new CompletableFuture<>();
254		f.obtrudeValue(three);
255		checkCompletedNormally(f, three);
256	+	f.obtrudeValue(null);
257	+	checkCompletedNormally(f, null);
258		f = new CompletableFuture<>();
259		f.completeExceptionally(new CFException());
260		f.obtrudeValue(four);
#	Line 256 | Line 265 | public class CompletableFutureTest exten
265		* obtrudeException forces completion with given exception
266		*/
267		public void testObtrudeException() {
268	<	CompletableFuture<Integer> f = new CompletableFuture<>();
269	<	checkIncomplete(f);
270	<	f.complete(one);
271	<	checkCompletedNormally(f, one);
272	<	f.obtrudeException(new CFException());
264	<	checkCompletedWithWrappedCFException(f);
268	>	for (Integer v1 : new Integer[] { 1, null })
269	>	{
270	>	CFException ex;
271	>	CompletableFuture<Integer> f;
272	>
273		f = new CompletableFuture<>();
274	<	f.obtrudeException(new CFException());
275	<	checkCompletedWithWrappedCFException(f);
274	>	assertTrue(f.complete(v1));
275	>	for (int i = 0; i < 2; i++) {
276	>	f.obtrudeException(ex = new CFException());
277	>	checkCompletedExceptionally(f, ex);
278	>	}
279	>
280	>	f = new CompletableFuture<>();
281	>	for (int i = 0; i < 2; i++) {
282	>	f.obtrudeException(ex = new CFException());
283	>	checkCompletedExceptionally(f, ex);
284	>	}
285	>
286		f = new CompletableFuture<>();
287	+	f.completeExceptionally(ex = new CFException());
288	+	f.obtrudeValue(v1);
289	+	checkCompletedNormally(f, v1);
290	+	f.obtrudeException(ex = new CFException());
291	+	checkCompletedExceptionally(f, ex);
292		f.completeExceptionally(new CFException());
293	<	f.obtrudeValue(four);
294	<	checkCompletedNormally(f, four);
295	<	f.obtrudeException(new CFException());
296	<	checkCompletedWithWrappedCFException(f);
274	<	}
293	>	checkCompletedExceptionally(f, ex);
294	>	assertFalse(f.complete(v1));
295	>	checkCompletedExceptionally(f, ex);
296	>	}}
297
298		/**
299		* getNumberOfDependents returns number of dependent tasks
300		*/
301		public void testGetNumberOfDependents() {
302	+	for (ExecutionMode m : ExecutionMode.values())
303	+	for (Integer v1 : new Integer[] { 1, null })
304	+	{
305		CompletableFuture<Integer> f = new CompletableFuture<>();
306	<	assertEquals(f.getNumberOfDependents(), 0);
307	<	CompletableFuture g = f.thenRun(new Noop());
308	<	assertEquals(f.getNumberOfDependents(), 1);
309	<	assertEquals(g.getNumberOfDependents(), 0);
310	<	CompletableFuture h = f.thenRun(new Noop());
311	<	assertEquals(f.getNumberOfDependents(), 2);
312	<	f.complete(1);
306	>	assertEquals(0, f.getNumberOfDependents());
307	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
308	>	assertEquals(1, f.getNumberOfDependents());
309	>	assertEquals(0, g.getNumberOfDependents());
310	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
311	>	assertEquals(2, f.getNumberOfDependents());
312	>	assertEquals(0, h.getNumberOfDependents());
313	>	assertTrue(f.complete(v1));
314		checkCompletedNormally(g, null);
315	<	assertEquals(f.getNumberOfDependents(), 0);
316	<	assertEquals(g.getNumberOfDependents(), 0);
317	<	}
315	>	checkCompletedNormally(h, null);
316	>	assertEquals(0, f.getNumberOfDependents());
317	>	assertEquals(0, g.getNumberOfDependents());
318	>	assertEquals(0, h.getNumberOfDependents());
319	>	}}
320
321		/**
322		* toString indicates current completion state
#	Line 299 | Line 327 | public class CompletableFutureTest exten
327		f = new CompletableFuture<String>();
328		assertTrue(f.toString().contains("[Not completed]"));
329
330	<	f.complete("foo");
330	>	assertTrue(f.complete("foo"));
331		assertTrue(f.toString().contains("[Completed normally]"));
332
333		f = new CompletableFuture<String>();
334	<	f.completeExceptionally(new IndexOutOfBoundsException());
334	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
335		assertTrue(f.toString().contains("[Completed exceptionally]"));
336	+
337	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
338	+	f = new CompletableFuture<String>();
339	+	assertTrue(f.cancel(mayInterruptIfRunning));
340	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
341	+	}
342		}
343
344		/**
#	Line 315 | Line 349 | public class CompletableFutureTest exten
349		checkCompletedNormally(f, "test");
350		}
351
352	<	// Choose non-commutative actions for better coverage
353	<
354	<	static final Supplier<Integer> supplyOne =
355	<	() -> Integer.valueOf(1);
356	<	static final Function<Integer, Integer> inc =
357	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
358	<	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();
352	>	abstract class CheckedAction {
353	>	int invocationCount = 0;
354	>	final ExecutionMode m;
355	>	CheckedAction(ExecutionMode m) { this.m = m; }
356	>	void invoked() {
357	>	m.checkExecutionMode();
358	>	assertEquals(0, invocationCount++);
359		}
360	<	}
361	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
360	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
361	>	void assertInvoked() { assertEquals(1, invocationCount); }
362		}
363
364	<	static final class FailingSupplier implements Supplier<Integer> {
365	<	boolean ran;
366	<	public Integer get() { ran = true; throw new CFException(); }
367	<	}
368	<	static final class FailingConsumer implements Consumer<Integer> {
369	<	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;
364	>	abstract class CheckedIntegerAction extends CheckedAction {
365	>	Integer value;
366	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
367	>	void assertValue(Integer expected) {
368	>	assertInvoked();
369	>	assertEquals(expected, value);
370		}
371		}
372
373	<	static final class FailingCompletableFutureFunction
374	<	implements Function<Integer, CompletableFuture<Integer>> {
375	<	boolean ran;
376	<	public CompletableFuture<Integer> apply(Integer x) {
377	<	ran = true; throw new CFException();
373	>	class IntegerSupplier extends CheckedAction
374	>	implements Supplier<Integer>
375	>	{
376	>	final Integer value;
377	>	IntegerSupplier(ExecutionMode m, Integer value) {
378	>	super(m);
379	>	this.value = value;
380		}
381	<	}
382	<
383	<	// 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();
381	>	public Integer get() {
382	>	invoked();
383	>	return value;
384		}
385		}
386
387	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
388	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
387	>	// A function that handles and produces null values as well.
388	>	static Integer inc(Integer x) {
389	>	return (x == null) ? null : x + 1;
390		}
391
392	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
393	<	boolean ran;
394	<	public Integer apply(Integer x, Throwable t) {
395	<	ran = true;
396	<	return (t == null) ? two : three;
392	>	class NoopConsumer extends CheckedIntegerAction
393	>	implements Consumer<Integer>
394	>	{
395	>	NoopConsumer(ExecutionMode m) { super(m); }
396	>	public void accept(Integer x) {
397	>	invoked();
398	>	value = x;
399		}
400		}
401
402	<	/**
403	<	* exceptionally action completes with function value on source
404	<	* exception; otherwise with source value
405	<	*/
406	<	public void testExceptionally() {
407	<	CompletableFuture<Integer> f = new CompletableFuture<>();
408	<	ExceptionToInteger r = new ExceptionToInteger();
409	<	CompletableFuture<Integer> g = f.exceptionally(r);
415	<	f.completeExceptionally(new CFException());
416	<	checkCompletedNormally(g, three);
417	<
418	<	f = new CompletableFuture<>();
419	<	r = new ExceptionToInteger();
420	<	g = f.exceptionally(r);
421	<	f.complete(one);
422	<	checkCompletedNormally(g, one);
423	<	}
424	<
425	<	/**
426	<	* handle action completes normally with function value on either
427	<	* normal or exceptional completion of source
428	<	*/
429	<	public void testHandle() {
430	<	CompletableFuture<Integer> f, g;
431	<	IntegerHandler r;
432	<
433	<	f = new CompletableFuture<>();
434	<	f.completeExceptionally(new CFException());
435	<	g = f.handle(r = new IntegerHandler());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(g, three);
438	<
439	<	f = new CompletableFuture<>();
440	<	g = f.handle(r = new IntegerHandler());
441	<	assertFalse(r.ran);
442	<	f.completeExceptionally(new CFException());
443	<	checkCompletedNormally(g, three);
444	<	assertTrue(r.ran);
445	<
446	<	f = new CompletableFuture<>();
447	<	f.complete(one);
448	<	g = f.handle(r = new IntegerHandler());
449	<	assertTrue(r.ran);
450	<	checkCompletedNormally(g, two);
451	<
452	<	f = new CompletableFuture<>();
453	<	g = f.handle(r = new IntegerHandler());
454	<	assertFalse(r.ran);
455	<	f.complete(one);
456	<	assertTrue(r.ran);
457	<	checkCompletedNormally(g, two);
458	<	}
459	<
460	<	/**
461	<	* runAsync completes after running Runnable
462	<	*/
463	<	public void testRunAsync() {
464	<	Noop r = new Noop();
465	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
466	<	assertNull(f.join());
467	<	assertTrue(r.ran);
468	<	checkCompletedNormally(f, null);
469	<	}
470	<
471	<	/**
472	<	* runAsync with executor completes after running Runnable
473	<	*/
474	<	public void testRunAsync2() {
475	<	Noop r = new Noop();
476	<	ThreadExecutor exec = new ThreadExecutor();
477	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
478	<	assertNull(f.join());
479	<	assertTrue(r.ran);
480	<	checkCompletedNormally(f, null);
481	<	assertEquals(1, exec.count.get());
482	<	}
483	<
484	<	/**
485	<	* failing runAsync completes exceptionally after running Runnable
486	<	*/
487	<	public void testRunAsync3() {
488	<	FailingNoop r = new FailingNoop();
489	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
490	<	checkCompletedWithWrappedCFException(f);
491	<	assertTrue(r.ran);
492	<	}
493	<
494	<	/**
495	<	* supplyAsync completes with result of supplier
496	<	*/
497	<	public void testSupplyAsync() {
498	<	CompletableFuture<Integer> f;
499	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
502	<	}
503	<
504	<	/**
505	<	* supplyAsync with executor completes with result of supplier
506	<	*/
507	<	public void testSupplyAsync2() {
508	<	CompletableFuture<Integer> f;
509	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
510	<	assertEquals(f.join(), one);
511	<	checkCompletedNormally(f, one);
512	<	}
513	<
514	<	/**
515	<	* Failing supplyAsync completes exceptionally
516	<	*/
517	<	public void testSupplyAsync3() {
518	<	FailingSupplier r = new FailingSupplier();
519	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
520	<	checkCompletedWithWrappedCFException(f);
521	<	assertTrue(r.ran);
522	<	}
523	<
524	<	// seq completion methods
525	<
526	<	/**
527	<	* thenRun result completes normally after normal completion of source
528	<	*/
529	<	public void testThenRun() {
530	<	CompletableFuture<Integer> f;
531	<	CompletableFuture<Void> g;
532	<	Noop r;
533	<
534	<	f = new CompletableFuture<>();
535	<	g = f.thenRun(r = new Noop());
536	<	f.complete(null);
537	<	checkCompletedNormally(g, null);
538	<	assertTrue(r.ran);
539	<
540	<	f = new CompletableFuture<>();
541	<	f.complete(null);
542	<	g = f.thenRun(r = new Noop());
543	<	checkCompletedNormally(g, null);
544	<	assertTrue(r.ran);
545	<	}
546	<
547	<	/**
548	<	* thenRun result completes exceptionally after exceptional
549	<	* completion of source
550	<	*/
551	<	public void testThenRun2() {
552	<	CompletableFuture<Integer> f;
553	<	CompletableFuture<Void> g;
554	<	Noop r;
555	<
556	<	f = new CompletableFuture<>();
557	<	g = f.thenRun(r = new Noop());
558	<	f.completeExceptionally(new CFException());
559	<	checkCompletedWithWrappedCFException(g);
560	<	assertFalse(r.ran);
561	<
562	<	f = new CompletableFuture<>();
563	<	f.completeExceptionally(new CFException());
564	<	g = f.thenRun(r = new Noop());
565	<	checkCompletedWithWrappedCFException(g);
566	<	assertFalse(r.ran);
567	<	}
568	<
569	<	/**
570	<	* thenRun result completes exceptionally if action does
571	<	*/
572	<	public void testThenRun3() {
573	<	CompletableFuture<Integer> f;
574	<	CompletableFuture<Void> g;
575	<	FailingNoop r;
576	<
577	<	f = new CompletableFuture<>();
578	<	g = f.thenRun(r = new FailingNoop());
579	<	f.complete(null);
580	<	checkCompletedWithWrappedCFException(g);
581	<
582	<	f = new CompletableFuture<>();
583	<	f.complete(null);
584	<	g = f.thenRun(r = new FailingNoop());
585	<	checkCompletedWithWrappedCFException(g);
586	<	}
587	<
588	<	/**
589	<	* thenRun result completes exceptionally if source cancelled
590	<	*/
591	<	public void testThenRun4() {
592	<	CompletableFuture<Integer> f;
593	<	CompletableFuture<Void> g;
594	<	Noop r;
595	<
596	<	f = new CompletableFuture<>();
597	<	g = f.thenRun(r = new Noop());
598	<	assertTrue(f.cancel(true));
599	<	checkCompletedWithWrappedCancellationException(g);
600	<
601	<	f = new CompletableFuture<>();
602	<	assertTrue(f.cancel(true));
603	<	g = f.thenRun(r = new Noop());
604	<	checkCompletedWithWrappedCancellationException(g);
605	<	}
606	<
607	<	/**
608	<	* thenApply result completes normally after normal completion of source
609	<	*/
610	<	public void testThenApply() {
611	<	CompletableFuture<Integer> f = new CompletableFuture<>();
612	<	CompletableFuture<Integer> g = f.thenApply(inc);
613	<	f.complete(one);
614	<	checkCompletedNormally(g, two);
615	<	}
616	<
617	<	/**
618	<	* thenApply result completes exceptionally after exceptional
619	<	* completion of source
620	<	*/
621	<	public void testThenApply2() {
622	<	CompletableFuture<Integer> f = new CompletableFuture<>();
623	<	CompletableFuture<Integer> g = f.thenApply(inc);
624	<	f.completeExceptionally(new CFException());
625	<	checkCompletedWithWrappedCFException(g);
402	>	class IncFunction extends CheckedIntegerAction
403	>	implements Function<Integer,Integer>
404	>	{
405	>	IncFunction(ExecutionMode m) { super(m); }
406	>	public Integer apply(Integer x) {
407	>	invoked();
408	>	return value = inc(x);
409	>	}
410		}
411
412	<	/**
413	<	* thenApply result completes exceptionally if action does
414	<	*/
415	<	public void testThenApply3() {
416	<	CompletableFuture<Integer> f = new CompletableFuture<>();
417	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
634	<	f.complete(one);
635	<	checkCompletedWithWrappedCFException(g);
412	>	// Choose non-commutative actions for better coverage
413	>	// A non-commutative function that handles and produces null values as well.
414	>	static Integer subtract(Integer x, Integer y) {
415	>	return (x == null && y == null) ? null :
416	>	((x == null) ? 42 : x.intValue())
417	>	- ((y == null) ? 99 : y.intValue());
418		}
419
420	<	/**
421	<	* thenApply result completes exceptionally if source cancelled
422	<	*/
423	<	public void testThenApply4() {
424	<	CompletableFuture<Integer> f = new CompletableFuture<>();
425	<	CompletableFuture<Integer> g = f.thenApply(inc);
426	<	assertTrue(f.cancel(true));
427	<	checkCompletedWithWrappedCancellationException(g);
420	>	class SubtractAction extends CheckedIntegerAction
421	>	implements BiConsumer<Integer, Integer>
422	>	{
423	>	SubtractAction(ExecutionMode m) { super(m); }
424	>	public void accept(Integer x, Integer y) {
425	>	invoked();
426	>	value = subtract(x, y);
427	>	}
428		}
429
430	<	/**
431	<	* thenAccept result completes normally after normal completion of source
432	<	*/
433	<	public void testThenAccept() {
434	<	CompletableFuture<Integer> f = new CompletableFuture<>();
435	<	IncAction r = new IncAction();
436	<	CompletableFuture<Void> g = f.thenAccept(r);
437	<	f.complete(one);
656	<	checkCompletedNormally(g, null);
657	<	assertEquals(r.value, 2);
430	>	class SubtractFunction extends CheckedIntegerAction
431	>	implements BiFunction<Integer, Integer, Integer>
432	>	{
433	>	SubtractFunction(ExecutionMode m) { super(m); }
434	>	public Integer apply(Integer x, Integer y) {
435	>	invoked();
436	>	return value = subtract(x, y);
437	>	}
438		}
439
440	<	/**
441	<	* thenAccept result completes exceptionally after exceptional
442	<	* completion of source
443	<	*/
444	<	public void testThenAccept2() {
665	<	CompletableFuture<Integer> f = new CompletableFuture<>();
666	<	IncAction r = new IncAction();
667	<	CompletableFuture<Void> g = f.thenAccept(r);
668	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
440	>	class Noop extends CheckedAction implements Runnable {
441	>	Noop(ExecutionMode m) { super(m); }
442	>	public void run() {
443	>	invoked();
444	>	}
445		}
446
447	<	/**
448	<	* thenAccept result completes exceptionally if action does
449	<	*/
450	<	public void testThenAccept3() {
451	<	CompletableFuture<Integer> f = new CompletableFuture<>();
452	<	FailingConsumer r = new FailingConsumer();
453	<	CompletableFuture<Void> g = f.thenAccept(r);
454	<	f.complete(one);
680	<	checkCompletedWithWrappedCFException(g);
681	<	assertTrue(r.ran);
447	>	class FailingSupplier extends CheckedAction
448	>	implements Supplier<Integer>
449	>	{
450	>	FailingSupplier(ExecutionMode m) { super(m); }
451	>	public Integer get() {
452	>	invoked();
453	>	throw new CFException();
454	>	}
455		}
456
457	<	/**
458	<	* thenAccept result completes exceptionally if source cancelled
459	<	*/
460	<	public void testThenAccept4() {
461	<	CompletableFuture<Integer> f = new CompletableFuture<>();
462	<	IncAction r = new IncAction();
463	<	CompletableFuture<Void> g = f.thenAccept(r);
464	<	assertTrue(f.cancel(true));
465	<	checkCompletedWithWrappedCancellationException(g);
457	>	class FailingConsumer extends CheckedIntegerAction
458	>	implements Consumer<Integer>
459	>	{
460	>	FailingConsumer(ExecutionMode m) { super(m); }
461	>	public void accept(Integer x) {
462	>	invoked();
463	>	value = x;
464	>	throw new CFException();
465	>	}
466		}
467
468	<	/**
469	<	* thenCombine result completes normally after normal completion
470	<	* of sources
471	<	*/
472	<	public void testThenCombine() {
473	<	CompletableFuture<Integer> f, g, h;
474	<
475	<	f = new CompletableFuture<>();
476	<	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);
468	>	class FailingBiConsumer extends CheckedIntegerAction
469	>	implements BiConsumer<Integer, Integer>
470	>	{
471	>	FailingBiConsumer(ExecutionMode m) { super(m); }
472	>	public void accept(Integer x, Integer y) {
473	>	invoked();
474	>	value = subtract(x, y);
475	>	throw new CFException();
476	>	}
477		}
478
479	<	/**
480	<	* thenCombine result completes exceptionally after exceptional
481	<	* completion of either source
482	<	*/
483	<	public void testThenCombine2() {
484	<	CompletableFuture<Integer> f, g, h;
485	<
486	<	f = new CompletableFuture<>();
487	<	g = new CompletableFuture<>();
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);
479	>	class FailingFunction extends CheckedIntegerAction
480	>	implements Function<Integer, Integer>
481	>	{
482	>	FailingFunction(ExecutionMode m) { super(m); }
483	>	public Integer apply(Integer x) {
484	>	invoked();
485	>	value = x;
486	>	throw new CFException();
487	>	}
488		}
489
490	<	/**
491	<	* thenCombine result completes exceptionally if action does
492	<	*/
493	<	public void testThenCombine3() {
494	<	CompletableFuture<Integer> f = new CompletableFuture<>();
495	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
496	<	FailingBiFunction r = new FailingBiFunction();
497	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
498	<	f.complete(one);
773	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.ran);
490	>	class FailingBiFunction extends CheckedIntegerAction
491	>	implements BiFunction<Integer, Integer, Integer>
492	>	{
493	>	FailingBiFunction(ExecutionMode m) { super(m); }
494	>	public Integer apply(Integer x, Integer y) {
495	>	invoked();
496	>	value = subtract(x, y);
497	>	throw new CFException();
498	>	}
499		}
500
501	<	/**
502	<	* thenCombine result completes exceptionally if either source cancelled
503	<	*/
504	<	public void testThenCombine4() {
505	<	CompletableFuture<Integer> f, g, h;
506	<
786	<	f = new CompletableFuture<>();
787	<	g = new CompletableFuture<>();
788	<	h = f.thenCombine(g, subtract);
789	<	assertTrue(f.cancel(true));
790	<	checkIncomplete(h);
791	<	g.complete(1);
792	<	checkCompletedWithWrappedCancellationException(h);
793	<
794	<	f = new CompletableFuture<>();
795	<	g = new CompletableFuture<>();
796	<	h = f.thenCombine(g, subtract);
797	<	assertTrue(g.cancel(true));
798	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
801	<
802	<	f = new CompletableFuture<>();
803	<	g = new CompletableFuture<>();
804	<	assertTrue(f.cancel(true));
805	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
501	>	class FailingRunnable extends CheckedAction implements Runnable {
502	>	FailingRunnable(ExecutionMode m) { super(m); }
503	>	public void run() {
504	>	invoked();
505	>	throw new CFException();
506	>	}
507		}
508
509	<	/**
510	<	* thenAcceptBoth result completes normally after normal
511	<	* completion of sources
512	<	*/
513	<	public void testThenAcceptBoth() {
514	<	CompletableFuture<Integer> f, g;
515	<	CompletableFuture<Void> h;
516	<	SubtractAction r;
517	<
518	<	f = new CompletableFuture<>();
519	<	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);
509	>	class CompletableFutureInc extends CheckedIntegerAction
510	>	implements Function<Integer, CompletableFuture<Integer>>
511	>	{
512	>	CompletableFutureInc(ExecutionMode m) { super(m); }
513	>	public CompletableFuture<Integer> apply(Integer x) {
514	>	invoked();
515	>	value = x;
516	>	CompletableFuture<Integer> f = new CompletableFuture<>();
517	>	assertTrue(f.complete(inc(x)));
518	>	return f;
519	>	}
520		}
521
522	<	/**
523	<	* thenAcceptBoth result completes exceptionally after exceptional
524	<	* completion of either source
525	<	*/
526	<	public void testThenAcceptBoth2() {
527	<	CompletableFuture<Integer> f, g;
528	<	CompletableFuture<Void> h;
529	<	SubtractAction r;
530	<
855	<	f = new CompletableFuture<>();
856	<	g = new CompletableFuture<>();
857	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
858	<	f.completeExceptionally(new CFException());
859	<	checkIncomplete(h);
860	<	g.complete(1);
861	<	checkCompletedWithWrappedCFException(h);
862	<
863	<	f = new CompletableFuture<>();
864	<	g = new CompletableFuture<>();
865	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
866	<	g.completeExceptionally(new CFException());
867	<	checkIncomplete(h);
868	<	f.complete(3);
869	<	checkCompletedWithWrappedCFException(h);
870	<
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	f.complete(3);
874	<	g.completeExceptionally(new CFException());
875	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
876	<	checkCompletedWithWrappedCFException(h);
877	<
878	<	f = new CompletableFuture<>();
879	<	g = new CompletableFuture<>();
880	<	f.completeExceptionally(new CFException());
881	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
522	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
523	>	implements Function<Integer, CompletableFuture<Integer>>
524	>	{
525	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
526	>	public CompletableFuture<Integer> apply(Integer x) {
527	>	invoked();
528	>	value = x;
529	>	throw new CFException();
530	>	}
531		}
532
533	<	/**
534	<	* thenAcceptBoth result completes exceptionally if action does
535	<	*/
536	<	public void testThenAcceptBoth3() {
537	<	CompletableFuture<Integer> f, g;
538	<	CompletableFuture<Void> h;
539	<	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);
533	>	// Used for explicit executor tests
534	>	static final class ThreadExecutor implements Executor {
535	>	final AtomicInteger count = new AtomicInteger(0);
536	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
537	>	static boolean startedCurrentThread() {
538	>	return Thread.currentThread().getThreadGroup() == tg;
539	>	}
540
541	<	f = new CompletableFuture<>();
542	<	g = new CompletableFuture<>();
543	<	f.complete(3);
544	<	g.complete(1);
906	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
907	<	checkCompletedWithWrappedCFException(h);
541	>	public void execute(Runnable r) {
542	>	count.getAndIncrement();
543	>	new Thread(tg, r).start();
544	>	}
545		}
546
547	<	/**
548	<	* thenAcceptBoth result completes exceptionally if either source cancelled
912	<	*/
913	<	public void testThenAcceptBoth4() {
914	<	CompletableFuture<Integer> f, g;
915	<	CompletableFuture<Void> h;
916	<	SubtractAction r;
917	<
918	<	f = new CompletableFuture<>();
919	<	g = new CompletableFuture<>();
920	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
921	<	assertTrue(f.cancel(true));
922	<	checkIncomplete(h);
923	<	g.complete(1);
924	<	checkCompletedWithWrappedCancellationException(h);
925	<
926	<	f = new CompletableFuture<>();
927	<	g = new CompletableFuture<>();
928	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
929	<	assertTrue(g.cancel(true));
930	<	checkIncomplete(h);
931	<	f.complete(3);
932	<	checkCompletedWithWrappedCancellationException(h);
933	<
934	<	f = new CompletableFuture<>();
935	<	g = new CompletableFuture<>();
936	<	f.complete(3);
937	<	assertTrue(g.cancel(true));
938	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
939	<	checkCompletedWithWrappedCancellationException(h);
940	<
941	<	f = new CompletableFuture<>();
942	<	g = new CompletableFuture<>();
943	<	assertTrue(f.cancel(true));
944	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
547	>	static final boolean defaultExecutorIsCommonPool
548	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
549
550		/**
551		* Permits the testing of parallel code for the 3 different
552	<	* execution modes without repeating all the testing code.
552	>	* execution modes without copy/pasting all the test methods.
553		*/
554		enum ExecutionMode {
555	<	DEFAULT {
555	>	SYNC {
556	>	public void checkExecutionMode() {
557	>	assertFalse(ThreadExecutor.startedCurrentThread());
558	>	assertNull(ForkJoinTask.getPool());
559	>	}
560	>	public CompletableFuture<Void> runAsync(Runnable a) {
561	>	throw new UnsupportedOperationException();
562	>	}
563	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
564	>	throw new UnsupportedOperationException();
565	>	}
566	>	public <T> CompletableFuture<Void> thenRun
567	>	(CompletableFuture<T> f, Runnable a) {
568	>	return f.thenRun(a);
569	>	}
570	>	public <T> CompletableFuture<Void> thenAccept
571	>	(CompletableFuture<T> f, Consumer<? super T> a) {
572	>	return f.thenAccept(a);
573	>	}
574	>	public <T,U> CompletableFuture<U> thenApply
575	>	(CompletableFuture<T> f, Function<? super T,U> a) {
576	>	return f.thenApply(a);
577	>	}
578	>	public <T,U> CompletableFuture<U> thenCompose
579	>	(CompletableFuture<T> f,
580	>	Function<? super T,? extends CompletionStage<U>> a) {
581	>	return f.thenCompose(a);
582	>	}
583	>	public <T,U> CompletableFuture<U> handle
584	>	(CompletableFuture<T> f,
585	>	BiFunction<? super T,Throwable,? extends U> a) {
586	>	return f.handle(a);
587	>	}
588	>	public <T> CompletableFuture<T> whenComplete
589	>	(CompletableFuture<T> f,
590	>	BiConsumer<? super T,? super Throwable> a) {
591	>	return f.whenComplete(a);
592	>	}
593		public <T,U> CompletableFuture<Void> runAfterBoth
594	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
595	<	return f.runAfterBoth(g, r);
594	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
595	>	return f.runAfterBoth(g, a);
596	>	}
597	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
598	>	(CompletableFuture<T> f,
599	>	CompletionStage<? extends U> g,
600	>	BiConsumer<? super T,? super U> a) {
601	>	return f.thenAcceptBoth(g, a);
602	>	}
603	>	public <T,U,V> CompletableFuture<V> thenCombine
604	>	(CompletableFuture<T> f,
605	>	CompletionStage<? extends U> g,
606	>	BiFunction<? super T,? super U,? extends V> a) {
607	>	return f.thenCombine(g, a);
608	>	}
609	>	public <T> CompletableFuture<Void> runAfterEither
610	>	(CompletableFuture<T> f,
611	>	CompletionStage<?> g,
612	>	java.lang.Runnable a) {
613	>	return f.runAfterEither(g, a);
614	>	}
615	>	public <T> CompletableFuture<Void> acceptEither
616	>	(CompletableFuture<T> f,
617	>	CompletionStage<? extends T> g,
618	>	Consumer<? super T> a) {
619	>	return f.acceptEither(g, a);
620	>	}
621	>	public <T,U> CompletableFuture<U> applyToEither
622	>	(CompletableFuture<T> f,
623	>	CompletionStage<? extends T> g,
624	>	Function<? super T,U> a) {
625	>	return f.applyToEither(g, a);
626		}
627		},
628
629	<	DEFAULT_ASYNC {
629	>	ASYNC {
630	>	public void checkExecutionMode() {
631	>	assertEquals(defaultExecutorIsCommonPool,
632	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
633	>	}
634	>	public CompletableFuture<Void> runAsync(Runnable a) {
635	>	return CompletableFuture.runAsync(a);
636	>	}
637	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
638	>	return CompletableFuture.supplyAsync(a);
639	>	}
640	>	public <T> CompletableFuture<Void> thenRun
641	>	(CompletableFuture<T> f, Runnable a) {
642	>	return f.thenRunAsync(a);
643	>	}
644	>	public <T> CompletableFuture<Void> thenAccept
645	>	(CompletableFuture<T> f, Consumer<? super T> a) {
646	>	return f.thenAcceptAsync(a);
647	>	}
648	>	public <T,U> CompletableFuture<U> thenApply
649	>	(CompletableFuture<T> f, Function<? super T,U> a) {
650	>	return f.thenApplyAsync(a);
651	>	}
652	>	public <T,U> CompletableFuture<U> thenCompose
653	>	(CompletableFuture<T> f,
654	>	Function<? super T,? extends CompletionStage<U>> a) {
655	>	return f.thenComposeAsync(a);
656	>	}
657	>	public <T,U> CompletableFuture<U> handle
658	>	(CompletableFuture<T> f,
659	>	BiFunction<? super T,Throwable,? extends U> a) {
660	>	return f.handleAsync(a);
661	>	}
662	>	public <T> CompletableFuture<T> whenComplete
663	>	(CompletableFuture<T> f,
664	>	BiConsumer<? super T,? super Throwable> a) {
665	>	return f.whenCompleteAsync(a);
666	>	}
667		public <T,U> CompletableFuture<Void> runAfterBoth
668	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
669	<	return f.runAfterBothAsync(g, r);
668	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
669	>	return f.runAfterBothAsync(g, a);
670	>	}
671	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
672	>	(CompletableFuture<T> f,
673	>	CompletionStage<? extends U> g,
674	>	BiConsumer<? super T,? super U> a) {
675	>	return f.thenAcceptBothAsync(g, a);
676	>	}
677	>	public <T,U,V> CompletableFuture<V> thenCombine
678	>	(CompletableFuture<T> f,
679	>	CompletionStage<? extends U> g,
680	>	BiFunction<? super T,? super U,? extends V> a) {
681	>	return f.thenCombineAsync(g, a);
682	>	}
683	>	public <T> CompletableFuture<Void> runAfterEither
684	>	(CompletableFuture<T> f,
685	>	CompletionStage<?> g,
686	>	java.lang.Runnable a) {
687	>	return f.runAfterEitherAsync(g, a);
688	>	}
689	>	public <T> CompletableFuture<Void> acceptEither
690	>	(CompletableFuture<T> f,
691	>	CompletionStage<? extends T> g,
692	>	Consumer<? super T> a) {
693	>	return f.acceptEitherAsync(g, a);
694	>	}
695	>	public <T,U> CompletableFuture<U> applyToEither
696	>	(CompletableFuture<T> f,
697	>	CompletionStage<? extends T> g,
698	>	Function<? super T,U> a) {
699	>	return f.applyToEitherAsync(g, a);
700		}
701		},
702
703		EXECUTOR {
704	+	public void checkExecutionMode() {
705	+	assertTrue(ThreadExecutor.startedCurrentThread());
706	+	}
707	+	public CompletableFuture<Void> runAsync(Runnable a) {
708	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
709	+	}
710	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
711	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
712	+	}
713	+	public <T> CompletableFuture<Void> thenRun
714	+	(CompletableFuture<T> f, Runnable a) {
715	+	return f.thenRunAsync(a, new ThreadExecutor());
716	+	}
717	+	public <T> CompletableFuture<Void> thenAccept
718	+	(CompletableFuture<T> f, Consumer<? super T> a) {
719	+	return f.thenAcceptAsync(a, new ThreadExecutor());
720	+	}
721	+	public <T,U> CompletableFuture<U> thenApply
722	+	(CompletableFuture<T> f, Function<? super T,U> a) {
723	+	return f.thenApplyAsync(a, new ThreadExecutor());
724	+	}
725	+	public <T,U> CompletableFuture<U> thenCompose
726	+	(CompletableFuture<T> f,
727	+	Function<? super T,? extends CompletionStage<U>> a) {
728	+	return f.thenComposeAsync(a, new ThreadExecutor());
729	+	}
730	+	public <T,U> CompletableFuture<U> handle
731	+	(CompletableFuture<T> f,
732	+	BiFunction<? super T,Throwable,? extends U> a) {
733	+	return f.handleAsync(a, new ThreadExecutor());
734	+	}
735	+	public <T> CompletableFuture<T> whenComplete
736	+	(CompletableFuture<T> f,
737	+	BiConsumer<? super T,? super Throwable> a) {
738	+	return f.whenCompleteAsync(a, new ThreadExecutor());
739	+	}
740		public <T,U> CompletableFuture<Void> runAfterBoth
741	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
742	<	return f.runAfterBothAsync(g, r, new ThreadExecutor());
741	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
742	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
743	>	}
744	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
745	>	(CompletableFuture<T> f,
746	>	CompletionStage<? extends U> g,
747	>	BiConsumer<? super T,? super U> a) {
748	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
749	>	}
750	>	public <T,U,V> CompletableFuture<V> thenCombine
751	>	(CompletableFuture<T> f,
752	>	CompletionStage<? extends U> g,
753	>	BiFunction<? super T,? super U,? extends V> a) {
754	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
755	>	}
756	>	public <T> CompletableFuture<Void> runAfterEither
757	>	(CompletableFuture<T> f,
758	>	CompletionStage<?> g,
759	>	java.lang.Runnable a) {
760	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
761	>	}
762	>	public <T> CompletableFuture<Void> acceptEither
763	>	(CompletableFuture<T> f,
764	>	CompletionStage<? extends T> g,
765	>	Consumer<? super T> a) {
766	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
767	>	}
768	>	public <T,U> CompletableFuture<U> applyToEither
769	>	(CompletableFuture<T> f,
770	>	CompletionStage<? extends T> g,
771	>	Function<? super T,U> a) {
772	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
773		}
774		};
775
776	+	public abstract void checkExecutionMode();
777	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
778	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
779	+	public abstract <T> CompletableFuture<Void> thenRun
780	+	(CompletableFuture<T> f, Runnable a);
781	+	public abstract <T> CompletableFuture<Void> thenAccept
782	+	(CompletableFuture<T> f, Consumer<? super T> a);
783	+	public abstract <T,U> CompletableFuture<U> thenApply
784	+	(CompletableFuture<T> f, Function<? super T,U> a);
785	+	public abstract <T,U> CompletableFuture<U> thenCompose
786	+	(CompletableFuture<T> f,
787	+	Function<? super T,? extends CompletionStage<U>> a);
788	+	public abstract <T,U> CompletableFuture<U> handle
789	+	(CompletableFuture<T> f,
790	+	BiFunction<? super T,Throwable,? extends U> a);
791	+	public abstract <T> CompletableFuture<T> whenComplete
792	+	(CompletableFuture<T> f,
793	+	BiConsumer<? super T,? super Throwable> a);
794		public abstract <T,U> CompletableFuture<Void> runAfterBoth
795	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r);
795	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
796	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
797	>	(CompletableFuture<T> f,
798	>	CompletionStage<? extends U> g,
799	>	BiConsumer<? super T,? super U> a);
800	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
801	>	(CompletableFuture<T> f,
802	>	CompletionStage<? extends U> g,
803	>	BiFunction<? super T,? super U,? extends V> a);
804	>	public abstract <T> CompletableFuture<Void> runAfterEither
805	>	(CompletableFuture<T> f,
806	>	CompletionStage<?> g,
807	>	java.lang.Runnable a);
808	>	public abstract <T> CompletableFuture<Void> acceptEither
809	>	(CompletableFuture<T> f,
810	>	CompletionStage<? extends T> g,
811	>	Consumer<? super T> a);
812	>	public abstract <T,U> CompletableFuture<U> applyToEither
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<? extends T> g,
815	>	Function<? super T,U> a);
816		}
817
818		/**
819	<	* runAfterBoth result completes normally after normal
820	<	* completion of sources
819	>	* exceptionally action is not invoked when source completes
820	>	* normally, and source result is propagated
821		*/
822	<	public void testRunAfterBoth_normalCompletion1() {
823	<	for (ExecutionMode m : ExecutionMode.values())
822	>	public void testExceptionally_normalCompletion() {
823	>	for (boolean createIncomplete : new boolean[] { true, false })
824		for (Integer v1 : new Integer[] { 1, null })
825	<	for (Integer v2 : new Integer[] { 2, null }) {
826	<
825	>	{
826	>	final AtomicInteger a = new AtomicInteger(0);
827		final CompletableFuture<Integer> f = new CompletableFuture<>();
828	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
829	<	final Noop r = new Noop();
830	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
828	>	if (!createIncomplete) assertTrue(f.complete(v1));
829	>	final CompletableFuture<Integer> g = f.exceptionally
830	>	((Throwable t) -> {
831	>	// Should not be called
832	>	a.getAndIncrement();
833	>	throw new AssertionError();
834	>	});
835	>	if (createIncomplete) assertTrue(f.complete(v1));
836
837	<	f.complete(v1);
994	<	checkIncomplete(h);
995	<	assertFalse(r.ran);
996	<	g.complete(v2);
997	<
998	<	checkCompletedNormally(h, null);
999	<	assertTrue(r.ran);
837	>	checkCompletedNormally(g, v1);
838		checkCompletedNormally(f, v1);
839	<	checkCompletedNormally(g, v2);
840	<	}
1003	<	}
839	>	assertEquals(0, a.get());
840	>	}}
841
842	<	public void testRunAfterBoth_normalCompletion2() {
843	<	for (ExecutionMode m : ExecutionMode.values())
842	>	/**
843	>	* exceptionally action completes with function value on source
844	>	* exception
845	>	*/
846	>	public void testExceptionally_exceptionalCompletion() {
847	>	for (boolean createIncomplete : new boolean[] { true, false })
848		for (Integer v1 : new Integer[] { 1, null })
849	<	for (Integer v2 : new Integer[] { 2, null }) {
850	<
849	>	{
850	>	final AtomicInteger a = new AtomicInteger(0);
851	>	final CFException ex = new CFException();
852		final CompletableFuture<Integer> f = new CompletableFuture<>();
853	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
854	<	final Noop r = new Noop();
855	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
856	<
857	<	g.complete(v2);
858	<	checkIncomplete(h);
859	<	assertFalse(r.ran);
860	<	f.complete(v1);
861	<
1020	<	checkCompletedNormally(h, null);
1021	<	assertTrue(r.ran);
1022	<	checkCompletedNormally(f, v1);
1023	<	checkCompletedNormally(g, v2);
1024	<	}
1025	<	}
853	>	if (!createIncomplete) f.completeExceptionally(ex);
854	>	final CompletableFuture<Integer> g = f.exceptionally
855	>	((Throwable t) -> {
856	>	ExecutionMode.SYNC.checkExecutionMode();
857	>	threadAssertSame(t, ex);
858	>	a.getAndIncrement();
859	>	return v1;
860	>	});
861	>	if (createIncomplete) f.completeExceptionally(ex);
862
863	<	public void testRunAfterBoth_normalCompletion3() {
864	<	for (ExecutionMode m : ExecutionMode.values())
865	<	for (Integer v1 : new Integer[] { 1, null })
1030	<	for (Integer v2 : new Integer[] { 2, null }) {
863	>	checkCompletedNormally(g, v1);
864	>	assertEquals(1, a.get());
865	>	}}
866
867	+	public void testExceptionally_exceptionalCompletionActionFailed() {
868	+	for (boolean createIncomplete : new boolean[] { true, false })
869	+	{
870	+	final AtomicInteger a = new AtomicInteger(0);
871	+	final CFException ex1 = new CFException();
872	+	final CFException ex2 = new CFException();
873		final CompletableFuture<Integer> f = new CompletableFuture<>();
874	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
875	<	final Noop r = new Noop();
874	>	if (!createIncomplete) f.completeExceptionally(ex1);
875	>	final CompletableFuture<Integer> g = f.exceptionally
876	>	((Throwable t) -> {
877	>	ExecutionMode.SYNC.checkExecutionMode();
878	>	threadAssertSame(t, ex1);
879	>	a.getAndIncrement();
880	>	throw ex2;
881	>	});
882	>	if (createIncomplete) f.completeExceptionally(ex1);
883	>
884	>	checkCompletedWithWrappedException(g, ex2);
885	>	assertEquals(1, a.get());
886	>	}}
887
888	<	g.complete(v2);
889	<	f.complete(v1);
890	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
891	<
892	<	checkCompletedNormally(h, null);
1041	<	assertTrue(r.ran);
1042	<	checkCompletedNormally(f, v1);
1043	<	checkCompletedNormally(g, v2);
1044	<	}
1045	<	}
1046	<
1047	<	public void testRunAfterBoth_normalCompletion4() {
888	>	/**
889	>	* whenComplete action executes on normal completion, propagating
890	>	* source result.
891	>	*/
892	>	public void testWhenComplete_normalCompletion1() {
893		for (ExecutionMode m : ExecutionMode.values())
894	+	for (boolean createIncomplete : new boolean[] { true, false })
895		for (Integer v1 : new Integer[] { 1, null })
896	<	for (Integer v2 : new Integer[] { 2, null }) {
897	<
896	>	{
897	>	final AtomicInteger a = new AtomicInteger(0);
898		final CompletableFuture<Integer> f = new CompletableFuture<>();
899	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
900	<	final Noop r = new Noop();
901	<
902	<	f.complete(v1);
903	<	g.complete(v2);
904	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
899	>	if (!createIncomplete) assertTrue(f.complete(v1));
900	>	final CompletableFuture<Integer> g = m.whenComplete
901	>	(f,
902	>	(Integer x, Throwable t) -> {
903	>	m.checkExecutionMode();
904	>	threadAssertSame(x, v1);
905	>	threadAssertNull(t);
906	>	a.getAndIncrement();
907	>	});
908	>	if (createIncomplete) assertTrue(f.complete(v1));
909
910	<	checkCompletedNormally(h, null);
1061	<	assertTrue(r.ran);
910	>	checkCompletedNormally(g, v1);
911		checkCompletedNormally(f, v1);
912	<	checkCompletedNormally(g, v2);
913	<	}
1065	<	}
912	>	assertEquals(1, a.get());
913	>	}}
914
915		/**
916	<	* runAfterBoth result completes exceptionally after exceptional
917	<	* completion of either source
916	>	* whenComplete action executes on exceptional completion, propagating
917	>	* source result.
918		*/
919	<	public void testRunAfterBoth_exceptionalCompletion1() {
919	>	public void testWhenComplete_exceptionalCompletion() {
920		for (ExecutionMode m : ExecutionMode.values())
921	<	for (Integer v1 : new Integer[] { 1, null }) {
922	<
923	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1077	<	final Noop r = new Noop();
1078	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
921	>	for (boolean createIncomplete : new boolean[] { true, false })
922	>	{
923	>	final AtomicInteger a = new AtomicInteger(0);
924		final CFException ex = new CFException();
925	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
926	+	if (!createIncomplete) f.completeExceptionally(ex);
927	+	final CompletableFuture<Integer> g = m.whenComplete
928	+	(f,
929	+	(Integer x, Throwable t) -> {
930	+	m.checkExecutionMode();
931	+	threadAssertNull(x);
932	+	threadAssertSame(t, ex);
933	+	a.getAndIncrement();
934	+	});
935	+	if (createIncomplete) f.completeExceptionally(ex);
936	+
937	+	checkCompletedWithWrappedException(g, ex);
938	+	checkCompletedExceptionally(f, ex);
939	+	assertEquals(1, a.get());
940	+	}}
941
942	<	f.completeExceptionally(ex);
943	<	checkIncomplete(h);
944	<	g.complete(v1);
945	<
946	<	checkCompletedWithWrappedCFException(h, ex);
1086	<	checkCompletedWithWrappedCFException(f, ex);
1087	<	assertFalse(r.ran);
1088	<	checkCompletedNormally(g, v1);
1089	<	}
1090	<	}
1091	<
1092	<	public void testRunAfterBoth_exceptionalCompletion2() {
942	>	/**
943	>	* whenComplete action executes on cancelled source, propagating
944	>	* CancellationException.
945	>	*/
946	>	public void testWhenComplete_sourceCancelled() {
947		for (ExecutionMode m : ExecutionMode.values())
948	<	for (Integer v1 : new Integer[] { 1, null }) {
949	<
948	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
949	>	for (boolean createIncomplete : new boolean[] { true, false })
950	>	{
951	>	final AtomicInteger a = new AtomicInteger(0);
952		final CompletableFuture<Integer> f = new CompletableFuture<>();
953	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
954	<	final Noop r = new Noop();
955	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
956	<	final CFException ex = new CFException();
957	<
958	<	g.completeExceptionally(ex);
959	<	checkIncomplete(h);
960	<	f.complete(v1);
953	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
954	>	final CompletableFuture<Integer> g = m.whenComplete
955	>	(f,
956	>	(Integer x, Throwable t) -> {
957	>	m.checkExecutionMode();
958	>	threadAssertNull(x);
959	>	threadAssertTrue(t instanceof CancellationException);
960	>	a.getAndIncrement();
961	>	});
962	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
963
964	<	checkCompletedWithWrappedCFException(h, ex);
965	<	checkCompletedWithWrappedCFException(g, ex);
966	<	assertFalse(r.ran);
967	<	checkCompletedNormally(f, v1);
1110	<	}
1111	<	}
964	>	checkCompletedWithWrappedCancellationException(g);
965	>	checkCancelled(f);
966	>	assertEquals(1, a.get());
967	>	}}
968
969	<	public void testRunAfterBoth_exceptionalCompletion3() {
969	>	/**
970	>	* If a whenComplete action throws an exception when triggered by
971	>	* a normal completion, it completes exceptionally
972	>	*/
973	>	public void testWhenComplete_actionFailed() {
974	>	for (boolean createIncomplete : new boolean[] { true, false })
975		for (ExecutionMode m : ExecutionMode.values())
976	<	for (Integer v1 : new Integer[] { 1, null }) {
977	<
978	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
976	>	for (Integer v1 : new Integer[] { 1, null })
977	>	{
978	>	final AtomicInteger a = new AtomicInteger(0);
979		final CFException ex = new CFException();
980	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
981	+	if (!createIncomplete) assertTrue(f.complete(v1));
982	+	final CompletableFuture<Integer> g = m.whenComplete
983	+	(f,
984	+	(Integer x, Throwable t) -> {
985	+	m.checkExecutionMode();
986	+	threadAssertSame(x, v1);
987	+	threadAssertNull(t);
988	+	a.getAndIncrement();
989	+	throw ex;
990	+	});
991	+	if (createIncomplete) assertTrue(f.complete(v1));
992
993	<	g.completeExceptionally(ex);
1123	<	f.complete(v1);
1124	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1125	<
1126	<	checkCompletedWithWrappedCFException(h, ex);
1127	<	checkCompletedWithWrappedCFException(g, ex);
1128	<	assertFalse(r.ran);
993	>	checkCompletedWithWrappedException(g, ex);
994		checkCompletedNormally(f, v1);
995	<	}
996	<	}
995	>	assertEquals(1, a.get());
996	>	}}
997
998	<	public void testRunAfterBoth_exceptionalCompletion4() {
998	>	/**
999	>	* If a whenComplete action throws an exception when triggered by
1000	>	* a source completion that also throws an exception, the source
1001	>	* exception takes precedence.
1002	>	*/
1003	>	public void testWhenComplete_actionFailedSourceFailed() {
1004	>	for (boolean createIncomplete : new boolean[] { true, false })
1005		for (ExecutionMode m : ExecutionMode.values())
1006	<	for (Integer v1 : new Integer[] { 1, null }) {
1007	<
1006	>	{
1007	>	final AtomicInteger a = new AtomicInteger(0);
1008	>	final CFException ex1 = new CFException();
1009	>	final CFException ex2 = new CFException();
1010		final CompletableFuture<Integer> f = new CompletableFuture<>();
1138	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1139	–	final Noop r = new Noop();
1140	–	final CFException ex = new CFException();
1011
1012	<	f.completeExceptionally(ex);
1013	<	g.complete(v1);
1014	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1015	<
1016	<	checkCompletedWithWrappedCFException(h, ex);
1017	<	checkCompletedWithWrappedCFException(f, ex);
1018	<	assertFalse(r.ran);
1019	<	checkCompletedNormally(g, v1);
1020	<	}
1021	<	}
1012	>	if (!createIncomplete) f.completeExceptionally(ex1);
1013	>	final CompletableFuture<Integer> g = m.whenComplete
1014	>	(f,
1015	>	(Integer x, Throwable t) -> {
1016	>	m.checkExecutionMode();
1017	>	threadAssertSame(t, ex1);
1018	>	threadAssertNull(x);
1019	>	a.getAndIncrement();
1020	>	throw ex2;
1021	>	});
1022	>	if (createIncomplete) f.completeExceptionally(ex1);
1023	>
1024	>	checkCompletedWithWrappedException(g, ex1);
1025	>	checkCompletedExceptionally(f, ex1);
1026	>	assertEquals(1, a.get());
1027	>	}}
1028
1029		/**
1030	<	* runAfterBoth result completes exceptionally if action does
1030	>	* handle action completes normally with function value on normal
1031	>	* completion of source
1032		*/
1033	<	public void testRunAfterBoth_actionFailed1() {
1033	>	public void testHandle_normalCompletion() {
1034		for (ExecutionMode m : ExecutionMode.values())
1035	+	for (boolean createIncomplete : new boolean[] { true, false })
1036		for (Integer v1 : new Integer[] { 1, null })
1037	<	for (Integer v2 : new Integer[] { 2, null }) {
1160	<
1037	>	{
1038		final CompletableFuture<Integer> f = new CompletableFuture<>();
1039	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1040	<	final FailingNoop r = new FailingNoop();
1041	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1039	>	final AtomicInteger a = new AtomicInteger(0);
1040	>	if (!createIncomplete) assertTrue(f.complete(v1));
1041	>	final CompletableFuture<Integer> g = m.handle
1042	>	(f,
1043	>	(Integer x, Throwable t) -> {
1044	>	m.checkExecutionMode();
1045	>	threadAssertSame(x, v1);
1046	>	threadAssertNull(t);
1047	>	a.getAndIncrement();
1048	>	return inc(v1);
1049	>	});
1050	>	if (createIncomplete) assertTrue(f.complete(v1));
1051
1052	<	f.complete(v1);
1167	<	checkIncomplete(h);
1168	<	g.complete(v2);
1169	<
1170	<	checkCompletedWithWrappedCFException(h);
1052	>	checkCompletedNormally(g, inc(v1));
1053		checkCompletedNormally(f, v1);
1054	<	checkCompletedNormally(g, v2);
1055	<	}
1174	<	}
1054	>	assertEquals(1, a.get());
1055	>	}}
1056
1057	<	public void testRunAfterBoth_actionFailed2() {
1057	>	/**
1058	>	* handle action completes normally with function value on
1059	>	* exceptional completion of source
1060	>	*/
1061	>	public void testHandle_exceptionalCompletion() {
1062		for (ExecutionMode m : ExecutionMode.values())
1063	+	for (boolean createIncomplete : new boolean[] { true, false })
1064		for (Integer v1 : new Integer[] { 1, null })
1065	<	for (Integer v2 : new Integer[] { 2, null }) {
1180	<
1065	>	{
1066		final CompletableFuture<Integer> f = new CompletableFuture<>();
1067	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1068	<	final FailingNoop r = new FailingNoop();
1069	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1070	<
1071	<	g.complete(v2);
1072	<	checkIncomplete(h);
1073	<	f.complete(v1);
1067	>	final AtomicInteger a = new AtomicInteger(0);
1068	>	final CFException ex = new CFException();
1069	>	if (!createIncomplete) f.completeExceptionally(ex);
1070	>	final CompletableFuture<Integer> g = m.handle
1071	>	(f,
1072	>	(Integer x, Throwable t) -> {
1073	>	m.checkExecutionMode();
1074	>	threadAssertNull(x);
1075	>	threadAssertSame(t, ex);
1076	>	a.getAndIncrement();
1077	>	return v1;
1078	>	});
1079	>	if (createIncomplete) f.completeExceptionally(ex);
1080
1081	<	checkCompletedWithWrappedCFException(h);
1082	<	checkCompletedNormally(f, v1);
1083	<	checkCompletedNormally(g, v2);
1084	<	}
1194	<	}
1081	>	checkCompletedNormally(g, v1);
1082	>	checkCompletedExceptionally(f, ex);
1083	>	assertEquals(1, a.get());
1084	>	}}
1085
1086		/**
1087	<	* runAfterBoth result completes exceptionally if either source cancelled
1087	>	* handle action completes normally with function value on
1088	>	* cancelled source
1089		*/
1090	<	public void testRunAfterBoth_sourceCancelled1() {
1090	>	public void testHandle_sourceCancelled() {
1091		for (ExecutionMode m : ExecutionMode.values())
1092		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1093	<	for (Integer v1 : new Integer[] { 1, null }) {
1094	<
1093	>	for (boolean createIncomplete : new boolean[] { true, false })
1094	>	for (Integer v1 : new Integer[] { 1, null })
1095	>	{
1096		final CompletableFuture<Integer> f = new CompletableFuture<>();
1097	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1098	<	final Noop r = new Noop();
1099	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1100	<
1101	<	assertTrue(f.cancel(mayInterruptIfRunning));
1102	<	checkIncomplete(h);
1103	<	g.complete(v1);
1097	>	final AtomicInteger a = new AtomicInteger(0);
1098	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1099	>	final CompletableFuture<Integer> g = m.handle
1100	>	(f,
1101	>	(Integer x, Throwable t) -> {
1102	>	m.checkExecutionMode();
1103	>	threadAssertNull(x);
1104	>	threadAssertTrue(t instanceof CancellationException);
1105	>	a.getAndIncrement();
1106	>	return v1;
1107	>	});
1108	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1109
1213	–	checkCompletedWithWrappedCancellationException(h);
1214	–	checkCancelled(f);
1215	–	assertFalse(r.ran);
1110		checkCompletedNormally(g, v1);
1111	<	}
1112	<	}
1111	>	checkCancelled(f);
1112	>	assertEquals(1, a.get());
1113	>	}}
1114
1115	<	public void testRunAfterBoth_sourceCancelled2() {
1115	>	/**
1116	>	* handle result completes exceptionally if action does
1117	>	*/
1118	>	public void testHandle_sourceFailedActionFailed() {
1119		for (ExecutionMode m : ExecutionMode.values())
1120	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1121	<	for (Integer v1 : new Integer[] { 1, null }) {
1224	<
1120	>	for (boolean createIncomplete : new boolean[] { true, false })
1121	>	{
1122		final CompletableFuture<Integer> f = new CompletableFuture<>();
1123	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1124	<	final Noop r = new Noop();
1125	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1126	<
1127	<	assertTrue(g.cancel(mayInterruptIfRunning));
1128	<	checkIncomplete(h);
1129	<	f.complete(v1);
1130	<
1131	<	checkCompletedWithWrappedCancellationException(h);
1132	<	checkCancelled(g);
1133	<	assertFalse(r.ran);
1134	<	checkCompletedNormally(f, v1);
1135	<	}
1136	<	}
1123	>	final AtomicInteger a = new AtomicInteger(0);
1124	>	final CFException ex1 = new CFException();
1125	>	final CFException ex2 = new CFException();
1126	>	if (!createIncomplete) f.completeExceptionally(ex1);
1127	>	final CompletableFuture<Integer> g = m.handle
1128	>	(f,
1129	>	(Integer x, Throwable t) -> {
1130	>	m.checkExecutionMode();
1131	>	threadAssertNull(x);
1132	>	threadAssertSame(ex1, t);
1133	>	a.getAndIncrement();
1134	>	throw ex2;
1135	>	});
1136	>	if (createIncomplete) f.completeExceptionally(ex1);
1137	>
1138	>	checkCompletedWithWrappedException(g, ex2);
1139	>	checkCompletedExceptionally(f, ex1);
1140	>	assertEquals(1, a.get());
1141	>	}}
1142
1143	<	public void testRunAfterBoth_sourceCancelled3() {
1143	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1144		for (ExecutionMode m : ExecutionMode.values())
1145	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1146	<	for (Integer v1 : new Integer[] { 1, null }) {
1147	<
1145	>	for (boolean createIncomplete : new boolean[] { true, false })
1146	>	for (Integer v1 : new Integer[] { 1, null })
1147	>	{
1148		final CompletableFuture<Integer> f = new CompletableFuture<>();
1149	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1150	<	final Noop r = new Noop();
1151	<
1152	<	assertTrue(g.cancel(mayInterruptIfRunning));
1153	<	f.complete(v1);
1154	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1149	>	final AtomicInteger a = new AtomicInteger(0);
1150	>	final CFException ex = new CFException();
1151	>	if (!createIncomplete) assertTrue(f.complete(v1));
1152	>	final CompletableFuture<Integer> g = m.handle
1153	>	(f,
1154	>	(Integer x, Throwable t) -> {
1155	>	m.checkExecutionMode();
1156	>	threadAssertSame(x, v1);
1157	>	threadAssertNull(t);
1158	>	a.getAndIncrement();
1159	>	throw ex;
1160	>	});
1161	>	if (createIncomplete) assertTrue(f.complete(v1));
1162
1163	<	checkCompletedWithWrappedCancellationException(h);
1255	<	checkCancelled(g);
1256	<	assertFalse(r.ran);
1163	>	checkCompletedWithWrappedException(g, ex);
1164		checkCompletedNormally(f, v1);
1165	<	}
1166	<	}
1260	<
1261	<	public void testRunAfterBoth_sourceCancelled4() {
1262	<	for (ExecutionMode m : ExecutionMode.values())
1263	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1264	<	for (Integer v1 : new Integer[] { 1, null }) {
1265	<
1266	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1267	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1268	<	final Noop r = new Noop();
1269	<
1270	<	assertTrue(f.cancel(mayInterruptIfRunning));
1271	<	g.complete(v1);
1272	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1273	<
1274	<	checkCompletedWithWrappedCancellationException(h);
1275	<	checkCancelled(f);
1276	<	assertFalse(r.ran);
1277	<	checkCompletedNormally(g, v1);
1278	<	}
1279	<	}
1280	<
1281	<	/**
1282	<	* applyToEither result completes normally after normal completion
1283	<	* of either source
1284	<	*/
1285	<	public void testApplyToEither() {
1286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1287	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1288	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1289	<	f.complete(one);
1290	<	checkCompletedNormally(g, two);
1291	<	f2.complete(one);
1292	<	checkCompletedNormally(g, two);
1293	<
1294	<	f = new CompletableFuture<>();
1295	<	f.complete(one);
1296	<	f2 = new CompletableFuture<>();
1297	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
1300	<
1301	<	/**
1302	<	* applyToEither result completes exceptionally after exceptional
1303	<	* completion of either source
1304	<	*/
1305	<	public void testApplyToEither2() {
1306	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1307	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1308	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1309	<	f.completeExceptionally(new CFException());
1310	<	f2.complete(one);
1311	<	checkCompletedWithWrappedCFException(g);
1312	<
1313	<	f = new CompletableFuture<>();
1314	<	f2 = new CompletableFuture<>();
1315	<	f2.completeExceptionally(new CFException());
1316	<	g = f.applyToEither(f2, inc);
1317	<	checkCompletedWithWrappedCFException(g);
1318	<	}
1165	>	assertEquals(1, a.get());
1166	>	}}
1167
1168		/**
1169	<	* applyToEither result completes exceptionally if action does
1169	>	* runAsync completes after running Runnable
1170		*/
1171	<	public void testApplyToEither3() {
1172	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1173	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1174	<	FailingFunction r = new FailingFunction();
1175	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1176	<	f2.complete(two);
1177	<	checkCompletedWithWrappedCFException(g);
1178	<	}
1171	>	public void testRunAsync_normalCompletion() {
1172	>	ExecutionMode[] executionModes = {
1173	>	ExecutionMode.ASYNC,
1174	>	ExecutionMode.EXECUTOR,
1175	>	};
1176	>	for (ExecutionMode m : executionModes)
1177	>	{
1178	>	final Noop r = new Noop(m);
1179	>	final CompletableFuture<Void> f = m.runAsync(r);
1180	>	assertNull(f.join());
1181	>	checkCompletedNormally(f, null);
1182	>	r.assertInvoked();
1183	>	}}
1184
1185		/**
1186	<	* applyToEither result completes exceptionally if either source cancelled
1186	>	* failing runAsync completes exceptionally after running Runnable
1187		*/
1188	<	public void testApplyToEither4() {
1189	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1190	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1191	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1192	<	assertTrue(f.cancel(true));
1193	<	checkCompletedWithWrappedCancellationException(g);
1194	<	f = new CompletableFuture<>();
1195	<	f2 = new CompletableFuture<>();
1196	<	assertTrue(f2.cancel(true));
1197	<	checkCompletedWithWrappedCancellationException(g);
1198	<	}
1188	>	public void testRunAsync_exceptionalCompletion() {
1189	>	ExecutionMode[] executionModes = {
1190	>	ExecutionMode.ASYNC,
1191	>	ExecutionMode.EXECUTOR,
1192	>	};
1193	>	for (ExecutionMode m : executionModes)
1194	>	{
1195	>	final FailingRunnable r = new FailingRunnable(m);
1196	>	final CompletableFuture<Void> f = m.runAsync(r);
1197	>	checkCompletedWithWrappedCFException(f);
1198	>	r.assertInvoked();
1199	>	}}
1200
1201		/**
1202	<	* acceptEither result completes normally after normal completion
1349	<	* of either source
1202	>	* supplyAsync completes with result of supplier
1203		*/
1204	<	public void testAcceptEither() {
1205	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1206	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1207	<	IncAction r = new IncAction();
1208	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1209	<	f.complete(one);
1210	<	checkCompletedNormally(g, null);
1211	<	f2.complete(one);
1212	<	checkCompletedNormally(g, null);
1213	<	assertEquals(r.value, 2);
1214	<
1215	<	r = new IncAction();
1216	<	f = new CompletableFuture<>();
1217	<	f.complete(one);
1365	<	f2 = new CompletableFuture<>();
1366	<	g = f.acceptEither(f2, r);
1367	<	checkCompletedNormally(g, null);
1368	<	assertEquals(r.value, 2);
1369	<	}
1204	>	public void testSupplyAsync_normalCompletion() {
1205	>	ExecutionMode[] executionModes = {
1206	>	ExecutionMode.ASYNC,
1207	>	ExecutionMode.EXECUTOR,
1208	>	};
1209	>	for (ExecutionMode m : executionModes)
1210	>	for (Integer v1 : new Integer[] { 1, null })
1211	>	{
1212	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1213	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1214	>	assertSame(v1, f.join());
1215	>	checkCompletedNormally(f, v1);
1216	>	r.assertInvoked();
1217	>	}}
1218
1219		/**
1220	<	* acceptEither result completes exceptionally after exceptional
1373	<	* completion of either source
1220	>	* Failing supplyAsync completes exceptionally
1221		*/
1222	<	public void testAcceptEither2() {
1223	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1224	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1225	<	IncAction r = new IncAction();
1226	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1227	<	f.completeExceptionally(new CFException());
1228	<	f2.complete(one);
1229	<	checkCompletedWithWrappedCFException(g);
1222	>	public void testSupplyAsync_exceptionalCompletion() {
1223	>	ExecutionMode[] executionModes = {
1224	>	ExecutionMode.ASYNC,
1225	>	ExecutionMode.EXECUTOR,
1226	>	};
1227	>	for (ExecutionMode m : executionModes)
1228	>	{
1229	>	FailingSupplier r = new FailingSupplier(m);
1230	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1231	>	checkCompletedWithWrappedCFException(f);
1232	>	r.assertInvoked();
1233	>	}}
1234
1235	<	r = new IncAction();
1385	<	f = new CompletableFuture<>();
1386	<	f2 = new CompletableFuture<>();
1387	<	f2.completeExceptionally(new CFException());
1388	<	g = f.acceptEither(f2, r);
1389	<	checkCompletedWithWrappedCFException(g);
1390	<	}
1235	>	// seq completion methods
1236
1237		/**
1238	<	* acceptEither result completes exceptionally if action does
1238	>	* thenRun result completes normally after normal completion of source
1239		*/
1240	<	public void testAcceptEither3() {
1241	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1242	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1243	<	FailingConsumer r = new FailingConsumer();
1244	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1245	<	f2.complete(two);
1246	<	checkCompletedWithWrappedCFException(g);
1402	<	}
1240	>	public void testThenRun_normalCompletion() {
1241	>	for (ExecutionMode m : ExecutionMode.values())
1242	>	for (Integer v1 : new Integer[] { 1, null })
1243	>	{
1244	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1245	>	final Noop[] rs = new Noop[6];
1246	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1247
1248	<	/**
1249	<	* acceptEither result completes exceptionally if either source cancelled
1250	<	*/
1251	<	public void testAcceptEither4() {
1252	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1253	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1254	<	IncAction r = new IncAction();
1255	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1256	<	assertTrue(f.cancel(true));
1257	<	checkCompletedWithWrappedCancellationException(g);
1258	<	f = new CompletableFuture<>();
1259	<	f2 = new CompletableFuture<>();
1260	<	assertTrue(f2.cancel(true));
1261	<	checkCompletedWithWrappedCancellationException(g);
1262	<	}
1248	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1249	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1250	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1251	>	checkIncomplete(h0);
1252	>	checkIncomplete(h1);
1253	>	checkIncomplete(h2);
1254	>	assertTrue(f.complete(v1));
1255	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1256	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1257	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1258	>
1259	>	checkCompletedNormally(h0, null);
1260	>	checkCompletedNormally(h1, null);
1261	>	checkCompletedNormally(h2, null);
1262	>	checkCompletedNormally(h3, null);
1263	>	checkCompletedNormally(h4, null);
1264	>	checkCompletedNormally(h5, null);
1265	>	checkCompletedNormally(f, v1);
1266	>	for (Noop r : rs) r.assertInvoked();
1267	>	}}
1268
1269		/**
1270	<	* runAfterEither result completes normally after normal completion
1271	<	* of either source
1270	>	* thenRun result completes exceptionally after exceptional
1271	>	* completion of source
1272		*/
1273	<	public void testRunAfterEither() {
1274	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1275	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1276	<	Noop r = new Noop();
1277	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1278	<	f.complete(one);
1279	<	checkCompletedNormally(g, null);
1431	<	f2.complete(one);
1432	<	checkCompletedNormally(g, null);
1433	<	assertTrue(r.ran);
1273	>	public void testThenRun_exceptionalCompletion() {
1274	>	for (ExecutionMode m : ExecutionMode.values())
1275	>	{
1276	>	final CFException ex = new CFException();
1277	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1278	>	final Noop[] rs = new Noop[6];
1279	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1280
1281	<	r = new Noop();
1282	<	f = new CompletableFuture<>();
1283	<	f.complete(one);
1284	<	f2 = new CompletableFuture<>();
1285	<	g = f.runAfterEither(f2, r);
1286	<	checkCompletedNormally(g, null);
1287	<	assertTrue(r.ran);
1288	<	}
1281	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1282	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1283	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1284	>	checkIncomplete(h0);
1285	>	checkIncomplete(h1);
1286	>	checkIncomplete(h2);
1287	>	assertTrue(f.completeExceptionally(ex));
1288	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1289	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1290	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1291	>
1292	>	checkCompletedWithWrappedException(h0, ex);
1293	>	checkCompletedWithWrappedException(h1, ex);
1294	>	checkCompletedWithWrappedException(h2, ex);
1295	>	checkCompletedWithWrappedException(h3, ex);
1296	>	checkCompletedWithWrappedException(h4, ex);
1297	>	checkCompletedWithWrappedException(h5, ex);
1298	>	checkCompletedExceptionally(f, ex);
1299	>	for (Noop r : rs) r.assertNotInvoked();
1300	>	}}
1301
1302		/**
1303	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
1303	>	* thenRun result completes exceptionally if source cancelled
1304		*/
1305	<	public void testRunAfterEither2() {
1306	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1307	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1308	<	Noop r = new Noop();
1309	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1310	<	f.completeExceptionally(new CFException());
1311	<	f2.complete(one);
1455	<	checkCompletedWithWrappedCFException(g);
1305	>	public void testThenRun_sourceCancelled() {
1306	>	for (ExecutionMode m : ExecutionMode.values())
1307	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1308	>	{
1309	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1310	>	final Noop[] rs = new Noop[6];
1311	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1312
1313	<	r = new Noop();
1314	<	f = new CompletableFuture<>();
1315	<	f2 = new CompletableFuture<>();
1316	<	f2.completeExceptionally(new CFException());
1317	<	g = f.runAfterEither(f2, r);
1318	<	checkCompletedWithWrappedCFException(g);
1319	<	}
1313	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1314	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1315	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1316	>	checkIncomplete(h0);
1317	>	checkIncomplete(h1);
1318	>	checkIncomplete(h2);
1319	>	assertTrue(f.cancel(mayInterruptIfRunning));
1320	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1321	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1322	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1323	>
1324	>	checkCompletedWithWrappedCancellationException(h0);
1325	>	checkCompletedWithWrappedCancellationException(h1);
1326	>	checkCompletedWithWrappedCancellationException(h2);
1327	>	checkCompletedWithWrappedCancellationException(h3);
1328	>	checkCompletedWithWrappedCancellationException(h4);
1329	>	checkCompletedWithWrappedCancellationException(h5);
1330	>	checkCancelled(f);
1331	>	for (Noop r : rs) r.assertNotInvoked();
1332	>	}}
1333
1334		/**
1335	<	* runAfterEither result completes exceptionally if action does
1335	>	* thenRun result completes exceptionally if action does
1336		*/
1337	<	public void testRunAfterEither3() {
1338	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1339	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1340	<	FailingNoop r = new FailingNoop();
1341	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1342	<	f2.complete(two);
1343	<	checkCompletedWithWrappedCFException(g);
1475	<	}
1337	>	public void testThenRun_actionFailed() {
1338	>	for (ExecutionMode m : ExecutionMode.values())
1339	>	for (Integer v1 : new Integer[] { 1, null })
1340	>	{
1341	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1342	>	final FailingRunnable[] rs = new FailingRunnable[6];
1343	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1344
1345	<	/**
1346	<	* runAfterEither result completes exceptionally if either source cancelled
1347	<	*/
1348	<	public void testRunAfterEither4() {
1349	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1350	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1351	<	Noop r = new Noop();
1352	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1353	<	assertTrue(f.cancel(true));
1354	<	checkCompletedWithWrappedCancellationException(g);
1355	<	f = new CompletableFuture<>();
1356	<	f2 = new CompletableFuture<>();
1357	<	assertTrue(f2.cancel(true));
1358	<	checkCompletedWithWrappedCancellationException(g);
1359	<	}
1345	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1346	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1347	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1348	>	assertTrue(f.complete(v1));
1349	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1350	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1351	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1352	>
1353	>	checkCompletedWithWrappedCFException(h0);
1354	>	checkCompletedWithWrappedCFException(h1);
1355	>	checkCompletedWithWrappedCFException(h2);
1356	>	checkCompletedWithWrappedCFException(h3);
1357	>	checkCompletedWithWrappedCFException(h4);
1358	>	checkCompletedWithWrappedCFException(h5);
1359	>	checkCompletedNormally(f, v1);
1360	>	}}
1361
1362		/**
1363	<	* thenCompose result completes normally after normal completion of source
1363	>	* thenApply result completes normally after normal completion of source
1364		*/
1365	<	public void testThenCompose() {
1366	<	CompletableFuture<Integer> f, g;
1367	<	CompletableFutureInc r;
1368	<
1369	<	f = new CompletableFuture<>();
1370	<	g = f.thenCompose(r = new CompletableFutureInc());
1371	<	f.complete(one);
1503	<	checkCompletedNormally(g, two);
1504	<	assertTrue(r.ran);
1365	>	public void testThenApply_normalCompletion() {
1366	>	for (ExecutionMode m : ExecutionMode.values())
1367	>	for (Integer v1 : new Integer[] { 1, null })
1368	>	{
1369	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1370	>	final IncFunction[] rs = new IncFunction[4];
1371	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1372
1373	<	f = new CompletableFuture<>();
1374	<	f.complete(one);
1375	<	g = f.thenCompose(r = new CompletableFutureInc());
1376	<	checkCompletedNormally(g, two);
1377	<	assertTrue(r.ran);
1378	<	}
1373	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1374	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1375	>	checkIncomplete(h0);
1376	>	checkIncomplete(h1);
1377	>	assertTrue(f.complete(v1));
1378	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1379	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1380	>
1381	>	checkCompletedNormally(h0, inc(v1));
1382	>	checkCompletedNormally(h1, inc(v1));
1383	>	checkCompletedNormally(h2, inc(v1));
1384	>	checkCompletedNormally(h3, inc(v1));
1385	>	checkCompletedNormally(f, v1);
1386	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1387	>	}}
1388
1389		/**
1390	<	* thenCompose result completes exceptionally after exceptional
1390	>	* thenApply result completes exceptionally after exceptional
1391		* completion of source
1392		*/
1393	<	public void testThenCompose2() {
1394	<	CompletableFuture<Integer> f, g;
1395	<	CompletableFutureInc r;
1396	<
1397	<	f = new CompletableFuture<>();
1398	<	g = f.thenCompose(r = new CompletableFutureInc());
1399	<	f.completeExceptionally(new CFException());
1524	<	checkCompletedWithWrappedCFException(g);
1525	<
1526	<	f = new CompletableFuture<>();
1527	<	f.completeExceptionally(new CFException());
1528	<	g = f.thenCompose(r = new CompletableFutureInc());
1529	<	checkCompletedWithWrappedCFException(g);
1530	<	}
1531	<
1532	<	/**
1533	<	* thenCompose result completes exceptionally if action does
1534	<	*/
1535	<	public void testThenCompose3() {
1536	<	CompletableFuture<Integer> f, g;
1537	<	FailingCompletableFutureFunction r;
1538	<
1539	<	f = new CompletableFuture<>();
1540	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1541	<	f.complete(one);
1542	<	checkCompletedWithWrappedCFException(g);
1393	>	public void testThenApply_exceptionalCompletion() {
1394	>	for (ExecutionMode m : ExecutionMode.values())
1395	>	{
1396	>	final CFException ex = new CFException();
1397	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1398	>	final IncFunction[] rs = new IncFunction[4];
1399	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1400
1401	<	f = new CompletableFuture<>();
1402	<	f.complete(one);
1403	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1404	<	checkCompletedWithWrappedCFException(g);
1405	<	}
1401	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1402	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1403	>	assertTrue(f.completeExceptionally(ex));
1404	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1405	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1406	>
1407	>	checkCompletedWithWrappedException(h0, ex);
1408	>	checkCompletedWithWrappedException(h1, ex);
1409	>	checkCompletedWithWrappedException(h2, ex);
1410	>	checkCompletedWithWrappedException(h3, ex);
1411	>	checkCompletedExceptionally(f, ex);
1412	>	for (IncFunction r : rs) r.assertNotInvoked();
1413	>	}}
1414
1415		/**
1416	<	* thenCompose result completes exceptionally if source cancelled
1416	>	* thenApply result completes exceptionally if source cancelled
1417		*/
1418	<	public void testThenCompose4() {
1419	<	CompletableFuture<Integer> f, g;
1420	<	CompletableFutureInc r;
1421	<
1422	<	f = new CompletableFuture<>();
1423	<	g = f.thenCompose(r = new CompletableFutureInc());
1424	<	assertTrue(f.cancel(true));
1560	<	checkCompletedWithWrappedCancellationException(g);
1561	<
1562	<	f = new CompletableFuture<>();
1563	<	assertTrue(f.cancel(true));
1564	<	g = f.thenCompose(r = new CompletableFutureInc());
1565	<	checkCompletedWithWrappedCancellationException(g);
1566	<	}
1567	<
1568	<	// asyncs
1418	>	public void testThenApply_sourceCancelled() {
1419	>	for (ExecutionMode m : ExecutionMode.values())
1420	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1421	>	{
1422	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1423	>	final IncFunction[] rs = new IncFunction[4];
1424	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1425
1426	<	/**
1427	<	* thenRunAsync result completes normally after normal completion of source
1428	<	*/
1429	<	public void testThenRunAsync() {
1430	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1575	<	Noop r = new Noop();
1576	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1577	<	f.complete(null);
1578	<	checkCompletedNormally(g, null);
1426	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1427	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1428	>	assertTrue(f.cancel(mayInterruptIfRunning));
1429	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1430	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1431
1432	<	// reordered version
1433	<	f = new CompletableFuture<>();
1434	<	f.complete(null);
1435	<	r = new Noop();
1436	<	g = f.thenRunAsync(r);
1437	<	checkCompletedNormally(g, null);
1438	<	}
1432	>	checkCompletedWithWrappedCancellationException(h0);
1433	>	checkCompletedWithWrappedCancellationException(h1);
1434	>	checkCompletedWithWrappedCancellationException(h2);
1435	>	checkCompletedWithWrappedCancellationException(h3);
1436	>	checkCancelled(f);
1437	>	for (IncFunction r : rs) r.assertNotInvoked();
1438	>	}}
1439
1440		/**
1441	<	* thenRunAsync result completes exceptionally after exceptional
1590	<	* completion of source
1441	>	* thenApply result completes exceptionally if action does
1442		*/
1443	<	public void testThenRunAsync2() {
1444	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1445	<	Noop r = new Noop();
1446	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1447	<	f.completeExceptionally(new CFException());
1448	<	try {
1449	<	g.join();
1599	<	shouldThrow();
1600	<	} catch (CompletionException success) {}
1601	<	checkCompletedWithWrappedCFException(g);
1602	<	}
1443	>	public void testThenApply_actionFailed() {
1444	>	for (ExecutionMode m : ExecutionMode.values())
1445	>	for (Integer v1 : new Integer[] { 1, null })
1446	>	{
1447	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1448	>	final FailingFunction[] rs = new FailingFunction[4];
1449	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1450
1451	<	/**
1452	<	* thenRunAsync result completes exceptionally if action does
1453	<	*/
1454	<	public void testThenRunAsync3() {
1455	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1456	<	FailingNoop r = new FailingNoop();
1457	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1458	<	f.complete(null);
1459	<	checkCompletedWithWrappedCFException(g);
1460	<	}
1451	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1452	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1453	>	assertTrue(f.complete(v1));
1454	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1455	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1456	>
1457	>	checkCompletedWithWrappedCFException(h0);
1458	>	checkCompletedWithWrappedCFException(h1);
1459	>	checkCompletedWithWrappedCFException(h2);
1460	>	checkCompletedWithWrappedCFException(h3);
1461	>	checkCompletedNormally(f, v1);
1462	>	}}
1463
1464		/**
1465	<	* thenRunAsync result completes exceptionally if source cancelled
1465	>	* thenAccept result completes normally after normal completion of source
1466		*/
1467	<	public void testThenRunAsync4() {
1468	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1469	<	Noop r = new Noop();
1470	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1471	<	assertTrue(f.cancel(true));
1472	<	checkCompletedWithWrappedCancellationException(g);
1473	<	}
1467	>	public void testThenAccept_normalCompletion() {
1468	>	for (ExecutionMode m : ExecutionMode.values())
1469	>	for (Integer v1 : new Integer[] { 1, null })
1470	>	{
1471	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1472	>	final NoopConsumer[] rs = new NoopConsumer[4];
1473	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1474
1475	<	/**
1476	<	* thenApplyAsync result completes normally after normal completion of source
1477	<	*/
1478	<	public void testThenApplyAsync() {
1479	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1480	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1481	<	f.complete(one);
1482	<	checkCompletedNormally(g, two);
1483	<	}
1475	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1476	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1477	>	checkIncomplete(h0);
1478	>	checkIncomplete(h1);
1479	>	assertTrue(f.complete(v1));
1480	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1481	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1482	>
1483	>	checkCompletedNormally(h0, null);
1484	>	checkCompletedNormally(h1, null);
1485	>	checkCompletedNormally(h2, null);
1486	>	checkCompletedNormally(h3, null);
1487	>	checkCompletedNormally(f, v1);
1488	>	for (NoopConsumer r : rs) r.assertValue(v1);
1489	>	}}
1490
1491		/**
1492	<	* thenApplyAsync result completes exceptionally after exceptional
1492	>	* thenAccept result completes exceptionally after exceptional
1493		* completion of source
1494		*/
1495	<	public void testThenApplyAsync2() {
1496	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1497	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1498	<	f.completeExceptionally(new CFException());
1499	<	checkCompletedWithWrappedCFException(g);
1500	<	}
1495	>	public void testThenAccept_exceptionalCompletion() {
1496	>	for (ExecutionMode m : ExecutionMode.values())
1497	>	{
1498	>	final CFException ex = new CFException();
1499	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1500	>	final NoopConsumer[] rs = new NoopConsumer[4];
1501	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1502
1503	<	/**
1504	<	* thenApplyAsync result completes exceptionally if action does
1505	<	*/
1506	<	public void testThenApplyAsync3() {
1507	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1508	<	FailingFunction r = new FailingFunction();
1509	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1510	<	f.complete(null);
1511	<	checkCompletedWithWrappedCFException(g);
1512	<	}
1503	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1504	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1505	>	assertTrue(f.completeExceptionally(ex));
1506	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1507	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1508	>
1509	>	checkCompletedWithWrappedException(h0, ex);
1510	>	checkCompletedWithWrappedException(h1, ex);
1511	>	checkCompletedWithWrappedException(h2, ex);
1512	>	checkCompletedWithWrappedException(h3, ex);
1513	>	checkCompletedExceptionally(f, ex);
1514	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1515	>	}}
1516
1517		/**
1518	<	* thenApplyAsync result completes exceptionally if source cancelled
1518	>	* thenAccept result completes exceptionally if source cancelled
1519		*/
1520	<	public void testThenApplyAsync4() {
1521	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1522	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1523	<	assertTrue(f.cancel(true));
1524	<	checkCompletedWithWrappedCancellationException(g);
1525	<	}
1520	>	public void testThenAccept_sourceCancelled() {
1521	>	for (ExecutionMode m : ExecutionMode.values())
1522	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1523	>	{
1524	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1525	>	final NoopConsumer[] rs = new NoopConsumer[4];
1526	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1527
1528	<	/**
1529	<	* thenAcceptAsync result completes normally after normal
1530	<	* completion of source
1531	<	*/
1532	<	public void testThenAcceptAsync() {
1673	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1674	<	IncAction r = new IncAction();
1675	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1676	<	f.complete(one);
1677	<	checkCompletedNormally(g, null);
1678	<	assertEquals(r.value, 2);
1679	<	}
1528	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1529	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1530	>	assertTrue(f.cancel(mayInterruptIfRunning));
1531	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1532	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1533
1534	<	/**
1535	<	* thenAcceptAsync result completes exceptionally after exceptional
1536	<	* completion of source
1537	<	*/
1538	<	public void testThenAcceptAsync2() {
1539	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1540	<	IncAction r = new IncAction();
1688	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1689	<	f.completeExceptionally(new CFException());
1690	<	checkCompletedWithWrappedCFException(g);
1691	<	}
1534	>	checkCompletedWithWrappedCancellationException(h0);
1535	>	checkCompletedWithWrappedCancellationException(h1);
1536	>	checkCompletedWithWrappedCancellationException(h2);
1537	>	checkCompletedWithWrappedCancellationException(h3);
1538	>	checkCancelled(f);
1539	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1540	>	}}
1541
1542		/**
1543	<	* thenAcceptAsync result completes exceptionally if action does
1543	>	* thenAccept result completes exceptionally if action does
1544		*/
1545	<	public void testThenAcceptAsync3() {
1546	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1547	<	FailingConsumer r = new FailingConsumer();
1548	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1549	<	f.complete(null);
1550	<	checkCompletedWithWrappedCFException(g);
1551	<	}
1545	>	public void testThenAccept_actionFailed() {
1546	>	for (ExecutionMode m : ExecutionMode.values())
1547	>	for (Integer v1 : new Integer[] { 1, null })
1548	>	{
1549	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1550	>	final FailingConsumer[] rs = new FailingConsumer[4];
1551	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1552
1553	<	/**
1554	<	* thenAcceptAsync result completes exceptionally if source cancelled
1555	<	*/
1556	<	public void testThenAcceptAsync4() {
1557	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1558	<	IncAction r = new IncAction();
1559	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1560	<	assertTrue(f.cancel(true));
1561	<	checkCompletedWithWrappedCancellationException(g);
1562	<	}
1553	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1554	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1555	>	assertTrue(f.complete(v1));
1556	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1557	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1558	>
1559	>	checkCompletedWithWrappedCFException(h0);
1560	>	checkCompletedWithWrappedCFException(h1);
1561	>	checkCompletedWithWrappedCFException(h2);
1562	>	checkCompletedWithWrappedCFException(h3);
1563	>	checkCompletedNormally(f, v1);
1564	>	}}
1565
1566		/**
1567	<	* thenCombineAsync result completes normally after normal
1568	<	* completion of sources
1567	>	* thenCombine result completes normally after normal completion
1568	>	* of sources
1569		*/
1570	<	public void testThenCombineAsync() {
1571	<	CompletableFuture<Integer> f, g, h;
1572	<
1573	<	f = new CompletableFuture<>();
1574	<	g = new CompletableFuture<>();
1575	<	h = f.thenCombineAsync(g, subtract);
1576	<	f.complete(3);
1577	<	checkIncomplete(h);
1578	<	g.complete(1);
1579	<	checkCompletedNormally(h, 2);
1570	>	public void testThenCombine_normalCompletion() {
1571	>	for (ExecutionMode m : ExecutionMode.values())
1572	>	for (boolean fFirst : new boolean[] { true, false })
1573	>	for (Integer v1 : new Integer[] { 1, null })
1574	>	for (Integer v2 : new Integer[] { 2, null })
1575	>	{
1576	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1577	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1578	>	final SubtractFunction[] rs = new SubtractFunction[6];
1579	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1580
1581	<	f = new CompletableFuture<>();
1582	<	g = new CompletableFuture<>();
1583	<	h = f.thenCombineAsync(g, subtract);
1584	<	g.complete(1);
1585	<	checkIncomplete(h);
1586	<	f.complete(3);
1587	<	checkCompletedNormally(h, 2);
1581	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1582	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1583	>	final Integer w1 =  fFirst ? v1 : v2;
1584	>	final Integer w2 = !fFirst ? v1 : v2;
1585	>
1586	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1587	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1588	>	assertTrue(fst.complete(w1));
1589	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1590	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1591	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1592	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1593	>	checkCompletedNormally(h1, subtract(w1, w1));
1594	>	checkCompletedNormally(h3, subtract(w1, w1));
1595	>	rs[1].assertValue(subtract(w1, w1));
1596	>	rs[3].assertValue(subtract(w1, w1));
1597	>	assertTrue(snd.complete(w2));
1598	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1599	>
1600	>	checkCompletedNormally(h0, subtract(v1, v2));
1601	>	checkCompletedNormally(h2, subtract(v1, v2));
1602	>	checkCompletedNormally(h4, subtract(v1, v2));
1603	>	rs[0].assertValue(subtract(v1, v2));
1604	>	rs[2].assertValue(subtract(v1, v2));
1605	>	rs[4].assertValue(subtract(v1, v2));
1606
1607	<	f = new CompletableFuture<>();
1608	<	g = new CompletableFuture<>();
1609	<	g.complete(1);
1741	<	f.complete(3);
1742	<	h = f.thenCombineAsync(g, subtract);
1743	<	checkCompletedNormally(h, 2);
1744	<	}
1607	>	checkCompletedNormally(f, v1);
1608	>	checkCompletedNormally(g, v2);
1609	>	}}
1610
1611		/**
1612	<	* thenCombineAsync result completes exceptionally after exceptional
1612	>	* thenCombine result completes exceptionally after exceptional
1613		* completion of either source
1614		*/
1615	<	public void testThenCombineAsync2() {
1616	<	CompletableFuture<Integer> f, g, h;
1617	<
1618	<	f = new CompletableFuture<>();
1619	<	g = new CompletableFuture<>();
1620	<	h = f.thenCombineAsync(g, subtract);
1621	<	f.completeExceptionally(new CFException());
1622	<	checkIncomplete(h);
1623	<	g.complete(1);
1624	<	checkCompletedWithWrappedCFException(h);
1625	<
1626	<	f = new CompletableFuture<>();
1627	<	g = new CompletableFuture<>();
1628	<	h = f.thenCombineAsync(g, subtract);
1629	<	g.completeExceptionally(new CFException());
1630	<	checkIncomplete(h);
1631	<	f.complete(3);
1632	<	checkCompletedWithWrappedCFException(h);
1633	<
1634	<	f = new CompletableFuture<>();
1635	<	g = new CompletableFuture<>();
1636	<	g.completeExceptionally(new CFException());
1637	<	f.complete(3);
1638	<	h = f.thenCombineAsync(g, subtract);
1639	<	checkCompletedWithWrappedCFException(h);
1640	<	}
1641	<
1642	<	/**
1643	<	* thenCombineAsync result completes exceptionally if action does
1644	<	*/
1645	<	public void testThenCombineAsync3() {
1646	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1647	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1648	<	FailingBiFunction r = new FailingBiFunction();
1649	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1650	<	f.complete(one);
1651	<	checkIncomplete(g);
1652	<	assertFalse(r.ran);
1653	<	f2.complete(two);
1789	<	checkCompletedWithWrappedCFException(g);
1790	<	assertTrue(r.ran);
1791	<	}
1792	<
1793	<	/**
1794	<	* thenCombineAsync result completes exceptionally if either source cancelled
1795	<	*/
1796	<	public void testThenCombineAsync4() {
1797	<	CompletableFuture<Integer> f, g, h;
1798	<
1799	<	f = new CompletableFuture<>();
1800	<	g = new CompletableFuture<>();
1801	<	h = f.thenCombineAsync(g, subtract);
1802	<	assertTrue(f.cancel(true));
1803	<	checkIncomplete(h);
1804	<	g.complete(1);
1805	<	checkCompletedWithWrappedCancellationException(h);
1806	<
1807	<	f = new CompletableFuture<>();
1808	<	g = new CompletableFuture<>();
1809	<	h = f.thenCombineAsync(g, subtract);
1810	<	assertTrue(g.cancel(true));
1811	<	checkIncomplete(h);
1812	<	f.complete(3);
1813	<	checkCompletedWithWrappedCancellationException(h);
1814	<
1815	<	f = new CompletableFuture<>();
1816	<	g = new CompletableFuture<>();
1817	<	g.complete(3);
1818	<	assertTrue(f.cancel(true));
1819	<	h = f.thenCombineAsync(g, subtract);
1820	<	checkCompletedWithWrappedCancellationException(h);
1821	<
1822	<	f = new CompletableFuture<>();
1823	<	g = new CompletableFuture<>();
1824	<	f.complete(3);
1825	<	assertTrue(g.cancel(true));
1826	<	h = f.thenCombineAsync(g, subtract);
1827	<	checkCompletedWithWrappedCancellationException(h);
1828	<	}
1829	<
1830	<	/**
1831	<	* thenAcceptBothAsync result completes normally after normal
1832	<	* completion of sources
1833	<	*/
1834	<	public void testThenAcceptBothAsync() {
1835	<	CompletableFuture<Integer> f, g;
1836	<	CompletableFuture<Void> h;
1837	<	SubtractAction r;
1838	<
1839	<	f = new CompletableFuture<>();
1840	<	g = new CompletableFuture<>();
1841	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1842	<	f.complete(3);
1843	<	checkIncomplete(h);
1844	<	g.complete(1);
1845	<	checkCompletedNormally(h, null);
1846	<	assertEquals(r.value, 2);
1847	<
1848	<	f = new CompletableFuture<>();
1849	<	g = new CompletableFuture<>();
1850	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1851	<	g.complete(1);
1852	<	checkIncomplete(h);
1853	<	f.complete(3);
1854	<	checkCompletedNormally(h, null);
1855	<	assertEquals(r.value, 2);
1856	<
1857	<	f = new CompletableFuture<>();
1858	<	g = new CompletableFuture<>();
1859	<	g.complete(1);
1860	<	f.complete(3);
1861	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1862	<	checkCompletedNormally(h, null);
1863	<	assertEquals(r.value, 2);
1864	<	}
1865	<
1866	<	/**
1867	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1868	<	* completion of source
1869	<	*/
1870	<	public void testThenAcceptBothAsync2() {
1871	<	CompletableFuture<Integer> f, g;
1872	<	CompletableFuture<Void> h;
1873	<	SubtractAction r;
1874	<
1875	<	f = new CompletableFuture<>();
1876	<	g = new CompletableFuture<>();
1877	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1878	<	f.completeExceptionally(new CFException());
1879	<	checkIncomplete(h);
1880	<	g.complete(1);
1881	<	checkCompletedWithWrappedCFException(h);
1882	<
1883	<	f = new CompletableFuture<>();
1884	<	g = new CompletableFuture<>();
1885	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1886	<	g.completeExceptionally(new CFException());
1887	<	checkIncomplete(h);
1888	<	f.complete(3);
1889	<	checkCompletedWithWrappedCFException(h);
1890	<
1891	<	f = new CompletableFuture<>();
1892	<	g = new CompletableFuture<>();
1893	<	f.complete(3);
1894	<	g.completeExceptionally(new CFException());
1895	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1896	<	checkCompletedWithWrappedCFException(h);
1897	<
1898	<	f = new CompletableFuture<>();
1899	<	g = new CompletableFuture<>();
1900	<	f.completeExceptionally(new CFException());
1901	<	g.complete(3);
1902	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1903	<	checkCompletedWithWrappedCFException(h);
1904	<	}
1905	<
1906	<	/**
1907	<	* thenAcceptBothAsync result completes exceptionally if action does
1908	<	*/
1909	<	public void testThenAcceptBothAsync3() {
1910	<	CompletableFuture<Integer> f, g;
1911	<	CompletableFuture<Void> h;
1912	<	FailingBiConsumer r;
1913	<
1914	<	f = new CompletableFuture<>();
1915	<	g = new CompletableFuture<>();
1916	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1917	<	f.complete(3);
1918	<	checkIncomplete(h);
1919	<	g.complete(1);
1920	<	checkCompletedWithWrappedCFException(h);
1921	<
1922	<	f = new CompletableFuture<>();
1923	<	g = new CompletableFuture<>();
1924	<	f.complete(3);
1925	<	g.complete(1);
1926	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1927	<	checkCompletedWithWrappedCFException(h);
1928	<	}
1929	<
1930	<	/**
1931	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1932	<	*/
1933	<	public void testThenAcceptBothAsync4() {
1934	<	CompletableFuture<Integer> f, g;
1935	<	CompletableFuture<Void> h;
1936	<	SubtractAction r;
1937	<
1938	<	f = new CompletableFuture<>();
1939	<	g = new CompletableFuture<>();
1940	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1941	<	assertTrue(f.cancel(true));
1942	<	checkIncomplete(h);
1943	<	g.complete(1);
1944	<	checkCompletedWithWrappedCancellationException(h);
1945	<
1946	<	f = new CompletableFuture<>();
1947	<	g = new CompletableFuture<>();
1948	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1949	<	assertTrue(g.cancel(true));
1950	<	checkIncomplete(h);
1951	<	f.complete(3);
1952	<	checkCompletedWithWrappedCancellationException(h);
1953	<
1954	<	f = new CompletableFuture<>();
1955	<	g = new CompletableFuture<>();
1956	<	f.complete(3);
1957	<	assertTrue(g.cancel(true));
1958	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1959	<	checkCompletedWithWrappedCancellationException(h);
1960	<
1961	<	f = new CompletableFuture<>();
1962	<	g = new CompletableFuture<>();
1963	<	assertTrue(f.cancel(true));
1964	<	g.complete(3);
1965	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1966	<	checkCompletedWithWrappedCancellationException(h);
1967	<	}
1968	<
1969	<	/**
1970	<	* applyToEitherAsync result completes normally after normal
1971	<	* completion of sources
1972	<	*/
1973	<	public void testApplyToEitherAsync() {
1974	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1975	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1976	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1977	<	f.complete(one);
1978	<	checkCompletedNormally(g, two);
1979	<
1980	<	f = new CompletableFuture<>();
1981	<	f.complete(one);
1982	<	f2 = new CompletableFuture<>();
1983	<	g = f.applyToEitherAsync(f2, inc);
1984	<	checkCompletedNormally(g, two);
1985	<	}
1986	<
1987	<	/**
1988	<	* applyToEitherAsync result completes exceptionally after exceptional
1989	<	* completion of source
1990	<	*/
1991	<	public void testApplyToEitherAsync2() {
1992	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1993	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1994	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1995	<	f.completeExceptionally(new CFException());
1996	<	checkCompletedWithWrappedCFException(g);
1997	<
1998	<	f = new CompletableFuture<>();
1999	<	f2 = new CompletableFuture<>();
2000	<	f2.completeExceptionally(new CFException());
2001	<	g = f.applyToEitherAsync(f2, inc);
2002	<	f.complete(one);
2003	<	checkCompletedWithWrappedCFException(g);
2004	<	}
1615	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1616	>	for (ExecutionMode m : ExecutionMode.values())
1617	>	for (boolean fFirst : new boolean[] { true, false })
1618	>	for (boolean failFirst : new boolean[] { true, false })
1619	>	for (Integer v1 : new Integer[] { 1, null })
1620	>	{
1621	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1622	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1623	>	final CFException ex = new CFException();
1624	>	final SubtractFunction r1 = new SubtractFunction(m);
1625	>	final SubtractFunction r2 = new SubtractFunction(m);
1626	>	final SubtractFunction r3 = new SubtractFunction(m);
1627	>
1628	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1629	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1630	>	final Callable<Boolean> complete1 = failFirst ?
1631	>	() -> fst.completeExceptionally(ex) :
1632	>	() -> fst.complete(v1);
1633	>	final Callable<Boolean> complete2 = failFirst ?
1634	>	() -> snd.complete(v1) :
1635	>	() -> snd.completeExceptionally(ex);
1636	>
1637	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1638	>	assertTrue(complete1.call());
1639	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1640	>	checkIncomplete(h1);
1641	>	checkIncomplete(h2);
1642	>	assertTrue(complete2.call());
1643	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1644	>
1645	>	checkCompletedWithWrappedException(h1, ex);
1646	>	checkCompletedWithWrappedException(h2, ex);
1647	>	checkCompletedWithWrappedException(h3, ex);
1648	>	r1.assertNotInvoked();
1649	>	r2.assertNotInvoked();
1650	>	r3.assertNotInvoked();
1651	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1652	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1653	>	}}
1654
1655		/**
1656	<	* applyToEitherAsync result completes exceptionally if action does
1656	>	* thenCombine result completes exceptionally if either source cancelled
1657		*/
1658	<	public void testApplyToEitherAsync3() {
1659	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1660	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1661	<	FailingFunction r = new FailingFunction();
1662	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1663	<	f.complete(one);
1664	<	checkCompletedWithWrappedCFException(g);
1665	<	}
1658	>	public void testThenCombine_sourceCancelled() throws Throwable {
1659	>	for (ExecutionMode m : ExecutionMode.values())
1660	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1661	>	for (boolean fFirst : new boolean[] { true, false })
1662	>	for (boolean failFirst : new boolean[] { true, false })
1663	>	for (Integer v1 : new Integer[] { 1, null })
1664	>	{
1665	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1666	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1667	>	final SubtractFunction r1 = new SubtractFunction(m);
1668	>	final SubtractFunction r2 = new SubtractFunction(m);
1669	>	final SubtractFunction r3 = new SubtractFunction(m);
1670	>
1671	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1672	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1673	>	final Callable<Boolean> complete1 = failFirst ?
1674	>	() -> fst.cancel(mayInterruptIfRunning) :
1675	>	() -> fst.complete(v1);
1676	>	final Callable<Boolean> complete2 = failFirst ?
1677	>	() -> snd.complete(v1) :
1678	>	() -> snd.cancel(mayInterruptIfRunning);
1679	>
1680	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1681	>	assertTrue(complete1.call());
1682	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1683	>	checkIncomplete(h1);
1684	>	checkIncomplete(h2);
1685	>	assertTrue(complete2.call());
1686	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1687	>
1688	>	checkCompletedWithWrappedCancellationException(h1);
1689	>	checkCompletedWithWrappedCancellationException(h2);
1690	>	checkCompletedWithWrappedCancellationException(h3);
1691	>	r1.assertNotInvoked();
1692	>	r2.assertNotInvoked();
1693	>	r3.assertNotInvoked();
1694	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1695	>	checkCancelled(failFirst ? fst : snd);
1696	>	}}
1697
1698		/**
1699	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1699	>	* thenCombine result completes exceptionally if action does
1700		*/
1701	<	public void testApplyToEitherAsync4() {
1702	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1703	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1704	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1705	<	assertTrue(f.cancel(true));
1706	<	checkCompletedWithWrappedCancellationException(g);
1707	<
1708	<	f = new CompletableFuture<>();
1709	<	f2 = new CompletableFuture<>();
1710	<	assertTrue(f2.cancel(true));
1711	<	g = f.applyToEitherAsync(f2, inc);
1712	<	checkCompletedWithWrappedCancellationException(g);
1713	<	}
1701	>	public void testThenCombine_actionFailed() {
1702	>	for (ExecutionMode m : ExecutionMode.values())
1703	>	for (boolean fFirst : new boolean[] { true, false })
1704	>	for (Integer v1 : new Integer[] { 1, null })
1705	>	for (Integer v2 : new Integer[] { 2, null })
1706	>	{
1707	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1708	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1709	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1710	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1711	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1712	>
1713	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1714	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1715	>	final Integer w1 =  fFirst ? v1 : v2;
1716	>	final Integer w2 = !fFirst ? v1 : v2;
1717	>
1718	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1719	>	assertTrue(fst.complete(w1));
1720	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1721	>	assertTrue(snd.complete(w2));
1722	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1723	>
1724	>	checkCompletedWithWrappedCFException(h1);
1725	>	checkCompletedWithWrappedCFException(h2);
1726	>	checkCompletedWithWrappedCFException(h3);
1727	>	r1.assertInvoked();
1728	>	r2.assertInvoked();
1729	>	r3.assertInvoked();
1730	>	checkCompletedNormally(f, v1);
1731	>	checkCompletedNormally(g, v2);
1732	>	}}
1733
1734		/**
1735	<	* acceptEitherAsync result completes normally after normal
1735	>	* thenAcceptBoth result completes normally after normal
1736		* completion of sources
1737		*/
1738	<	public void testAcceptEitherAsync() {
1739	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1740	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1741	<	IncAction r = new IncAction();
1742	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1743	<	f.complete(one);
1744	<	checkCompletedNormally(g, null);
1745	<	assertEquals(r.value, 2);
1746	<
1747	<	r = new IncAction();
1748	<	f = new CompletableFuture<>();
1749	<	f.complete(one);
1750	<	f2 = new CompletableFuture<>();
1751	<	g = f.acceptEitherAsync(f2, r);
1752	<	checkCompletedNormally(g, null);
1753	<	assertEquals(r.value, 2);
1754	<	}
1738	>	public void testThenAcceptBoth_normalCompletion() {
1739	>	for (ExecutionMode m : ExecutionMode.values())
1740	>	for (boolean fFirst : new boolean[] { true, false })
1741	>	for (Integer v1 : new Integer[] { 1, null })
1742	>	for (Integer v2 : new Integer[] { 2, null })
1743	>	{
1744	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1745	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1746	>	final SubtractAction r1 = new SubtractAction(m);
1747	>	final SubtractAction r2 = new SubtractAction(m);
1748	>	final SubtractAction r3 = new SubtractAction(m);
1749	>
1750	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1751	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1752	>	final Integer w1 =  fFirst ? v1 : v2;
1753	>	final Integer w2 = !fFirst ? v1 : v2;
1754	>
1755	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1756	>	assertTrue(fst.complete(w1));
1757	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1758	>	checkIncomplete(h1);
1759	>	checkIncomplete(h2);
1760	>	r1.assertNotInvoked();
1761	>	r2.assertNotInvoked();
1762	>	assertTrue(snd.complete(w2));
1763	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1764	>
1765	>	checkCompletedNormally(h1, null);
1766	>	checkCompletedNormally(h2, null);
1767	>	checkCompletedNormally(h3, null);
1768	>	r1.assertValue(subtract(v1, v2));
1769	>	r2.assertValue(subtract(v1, v2));
1770	>	r3.assertValue(subtract(v1, v2));
1771	>	checkCompletedNormally(f, v1);
1772	>	checkCompletedNormally(g, v2);
1773	>	}}
1774
1775		/**
1776	<	* acceptEitherAsync result completes exceptionally after exceptional
1777	<	* completion of source
1776	>	* thenAcceptBoth result completes exceptionally after exceptional
1777	>	* completion of either source
1778		*/
1779	<	public void testAcceptEitherAsync2() {
1780	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1781	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1782	<	IncAction r = new IncAction();
1783	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1784	<	f.completeExceptionally(new CFException());
1785	<	checkCompletedWithWrappedCFException(g);
1786	<
1787	<	r = new IncAction();
1788	<	f = new CompletableFuture<>();
1789	<	f2 = new CompletableFuture<>();
1790	<	f2.completeExceptionally(new CFException());
1791	<	g = f.acceptEitherAsync(f2, r);
1792	<	f.complete(one);
1793	<	checkCompletedWithWrappedCFException(g);
1794	<	}
1779	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1780	>	for (ExecutionMode m : ExecutionMode.values())
1781	>	for (boolean fFirst : new boolean[] { true, false })
1782	>	for (boolean failFirst : new boolean[] { true, false })
1783	>	for (Integer v1 : new Integer[] { 1, null })
1784	>	{
1785	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1786	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1787	>	final CFException ex = new CFException();
1788	>	final SubtractAction r1 = new SubtractAction(m);
1789	>	final SubtractAction r2 = new SubtractAction(m);
1790	>	final SubtractAction r3 = new SubtractAction(m);
1791	>
1792	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1793	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1794	>	final Callable<Boolean> complete1 = failFirst ?
1795	>	() -> fst.completeExceptionally(ex) :
1796	>	() -> fst.complete(v1);
1797	>	final Callable<Boolean> complete2 = failFirst ?
1798	>	() -> snd.complete(v1) :
1799	>	() -> snd.completeExceptionally(ex);
1800	>
1801	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1802	>	assertTrue(complete1.call());
1803	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1804	>	checkIncomplete(h1);
1805	>	checkIncomplete(h2);
1806	>	assertTrue(complete2.call());
1807	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1808	>
1809	>	checkCompletedWithWrappedException(h1, ex);
1810	>	checkCompletedWithWrappedException(h2, ex);
1811	>	checkCompletedWithWrappedException(h3, ex);
1812	>	r1.assertNotInvoked();
1813	>	r2.assertNotInvoked();
1814	>	r3.assertNotInvoked();
1815	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1816	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1817	>	}}
1818
1819		/**
1820	<	* acceptEitherAsync result completes exceptionally if action does
1820	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1821		*/
1822	<	public void testAcceptEitherAsync3() {
1823	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1824	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1825	<	FailingConsumer r = new FailingConsumer();
1826	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1827	<	f.complete(one);
1828	<	checkCompletedWithWrappedCFException(g);
1829	<	}
1822	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1823	>	for (ExecutionMode m : ExecutionMode.values())
1824	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1825	>	for (boolean fFirst : new boolean[] { true, false })
1826	>	for (boolean failFirst : new boolean[] { true, false })
1827	>	for (Integer v1 : new Integer[] { 1, null })
1828	>	{
1829	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1830	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1831	>	final SubtractAction r1 = new SubtractAction(m);
1832	>	final SubtractAction r2 = new SubtractAction(m);
1833	>	final SubtractAction r3 = new SubtractAction(m);
1834	>
1835	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1836	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1837	>	final Callable<Boolean> complete1 = failFirst ?
1838	>	() -> fst.cancel(mayInterruptIfRunning) :
1839	>	() -> fst.complete(v1);
1840	>	final Callable<Boolean> complete2 = failFirst ?
1841	>	() -> snd.complete(v1) :
1842	>	() -> snd.cancel(mayInterruptIfRunning);
1843	>
1844	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1845	>	assertTrue(complete1.call());
1846	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1847	>	checkIncomplete(h1);
1848	>	checkIncomplete(h2);
1849	>	assertTrue(complete2.call());
1850	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1851	>
1852	>	checkCompletedWithWrappedCancellationException(h1);
1853	>	checkCompletedWithWrappedCancellationException(h2);
1854	>	checkCompletedWithWrappedCancellationException(h3);
1855	>	r1.assertNotInvoked();
1856	>	r2.assertNotInvoked();
1857	>	r3.assertNotInvoked();
1858	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1859	>	checkCancelled(failFirst ? fst : snd);
1860	>	}}
1861
1862		/**
1863	<	* acceptEitherAsync result completes exceptionally if either
2092	<	* source cancelled
1863	>	* thenAcceptBoth result completes exceptionally if action does
1864		*/
1865	<	public void testAcceptEitherAsync4() {
1866	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1867	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1868	<	IncAction r = new IncAction();
1869	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1870	<	assertTrue(f.cancel(true));
1871	<	checkCompletedWithWrappedCancellationException(g);
1872	<
1873	<	r = new IncAction();
1874	<	f = new CompletableFuture<>();
1875	<	f2 = new CompletableFuture<>();
1876	<	assertTrue(f2.cancel(true));
1877	<	g = f.acceptEitherAsync(f2, r);
1878	<	checkCompletedWithWrappedCancellationException(g);
1879	<	}
1865	>	public void testThenAcceptBoth_actionFailed() {
1866	>	for (ExecutionMode m : ExecutionMode.values())
1867	>	for (boolean fFirst : new boolean[] { true, false })
1868	>	for (Integer v1 : new Integer[] { 1, null })
1869	>	for (Integer v2 : new Integer[] { 2, null })
1870	>	{
1871	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1872	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1873	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1874	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1875	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1876	>
1877	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1878	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1879	>	final Integer w1 =  fFirst ? v1 : v2;
1880	>	final Integer w2 = !fFirst ? v1 : v2;
1881	>
1882	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1883	>	assertTrue(fst.complete(w1));
1884	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1885	>	assertTrue(snd.complete(w2));
1886	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1887	>
1888	>	checkCompletedWithWrappedCFException(h1);
1889	>	checkCompletedWithWrappedCFException(h2);
1890	>	checkCompletedWithWrappedCFException(h3);
1891	>	r1.assertInvoked();
1892	>	r2.assertInvoked();
1893	>	r3.assertInvoked();
1894	>	checkCompletedNormally(f, v1);
1895	>	checkCompletedNormally(g, v2);
1896	>	}}
1897
1898		/**
1899	<	* runAfterEitherAsync result completes normally after normal
1899	>	* runAfterBoth result completes normally after normal
1900		* completion of sources
1901		*/
1902	<	public void testRunAfterEitherAsync() {
1903	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1904	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1905	<	Noop r = new Noop();
1906	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1907	<	f.complete(one);
1908	<	checkCompletedNormally(g, null);
1909	<	assertTrue(r.ran);
1910	<
1911	<	r = new Noop();
1912	<	f = new CompletableFuture<>();
1913	<	f.complete(one);
1914	<	f2 = new CompletableFuture<>();
1915	<	g = f.runAfterEitherAsync(f2, r);
1916	<	checkCompletedNormally(g, null);
1917	<	assertTrue(r.ran);
1918	<	}
1902	>	public void testRunAfterBoth_normalCompletion() {
1903	>	for (ExecutionMode m : ExecutionMode.values())
1904	>	for (boolean fFirst : new boolean[] { true, false })
1905	>	for (Integer v1 : new Integer[] { 1, null })
1906	>	for (Integer v2 : new Integer[] { 2, null })
1907	>	{
1908	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1909	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1910	>	final Noop r1 = new Noop(m);
1911	>	final Noop r2 = new Noop(m);
1912	>	final Noop r3 = new Noop(m);
1913	>
1914	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1915	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1916	>	final Integer w1 =  fFirst ? v1 : v2;
1917	>	final Integer w2 = !fFirst ? v1 : v2;
1918	>
1919	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1920	>	assertTrue(fst.complete(w1));
1921	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1922	>	checkIncomplete(h1);
1923	>	checkIncomplete(h2);
1924	>	r1.assertNotInvoked();
1925	>	r2.assertNotInvoked();
1926	>	assertTrue(snd.complete(w2));
1927	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1928	>
1929	>	checkCompletedNormally(h1, null);
1930	>	checkCompletedNormally(h2, null);
1931	>	checkCompletedNormally(h3, null);
1932	>	r1.assertInvoked();
1933	>	r2.assertInvoked();
1934	>	r3.assertInvoked();
1935	>	checkCompletedNormally(f, v1);
1936	>	checkCompletedNormally(g, v2);
1937	>	}}
1938
1939		/**
1940	<	* runAfterEitherAsync result completes exceptionally after exceptional
1941	<	* completion of source
1940	>	* runAfterBoth result completes exceptionally after exceptional
1941	>	* completion of either source
1942		*/
1943	<	public void testRunAfterEitherAsync2() {
1944	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1945	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1946	<	Noop r = new Noop();
1947	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1948	<	f.completeExceptionally(new CFException());
1949	<	checkCompletedWithWrappedCFException(g);
1950	<
1951	<	r = new Noop();
1952	<	f = new CompletableFuture<>();
1953	<	f2 = new CompletableFuture<>();
1954	<	f2.completeExceptionally(new CFException());
1955	<	g = f.runAfterEitherAsync(f2, r);
1956	<	f.complete(one);
1957	<	checkCompletedWithWrappedCFException(g);
1958	<	}
1943	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1944	>	for (ExecutionMode m : ExecutionMode.values())
1945	>	for (boolean fFirst : new boolean[] { true, false })
1946	>	for (boolean failFirst : new boolean[] { true, false })
1947	>	for (Integer v1 : new Integer[] { 1, null })
1948	>	{
1949	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1950	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1951	>	final CFException ex = new CFException();
1952	>	final Noop r1 = new Noop(m);
1953	>	final Noop r2 = new Noop(m);
1954	>	final Noop r3 = new Noop(m);
1955	>
1956	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1957	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1958	>	final Callable<Boolean> complete1 = failFirst ?
1959	>	() -> fst.completeExceptionally(ex) :
1960	>	() -> fst.complete(v1);
1961	>	final Callable<Boolean> complete2 = failFirst ?
1962	>	() -> snd.complete(v1) :
1963	>	() -> snd.completeExceptionally(ex);
1964	>
1965	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1966	>	assertTrue(complete1.call());
1967	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1968	>	checkIncomplete(h1);
1969	>	checkIncomplete(h2);
1970	>	assertTrue(complete2.call());
1971	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1972	>
1973	>	checkCompletedWithWrappedException(h1, ex);
1974	>	checkCompletedWithWrappedException(h2, ex);
1975	>	checkCompletedWithWrappedException(h3, ex);
1976	>	r1.assertNotInvoked();
1977	>	r2.assertNotInvoked();
1978	>	r3.assertNotInvoked();
1979	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1980	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1981	>	}}
1982
1983		/**
1984	<	* runAfterEitherAsync result completes exceptionally if action does
1984	>	* runAfterBoth result completes exceptionally if either source cancelled
1985		*/
1986	<	public void testRunAfterEitherAsync3() {
1987	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1988	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1989	<	FailingNoop r = new FailingNoop();
1990	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1991	<	f.complete(one);
1992	<	checkCompletedWithWrappedCFException(g);
1993	<	}
1986	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
1987	>	for (ExecutionMode m : ExecutionMode.values())
1988	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1989	>	for (boolean fFirst : new boolean[] { true, false })
1990	>	for (boolean failFirst : new boolean[] { true, false })
1991	>	for (Integer v1 : new Integer[] { 1, null })
1992	>	{
1993	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1994	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1995	>	final Noop r1 = new Noop(m);
1996	>	final Noop r2 = new Noop(m);
1997	>	final Noop r3 = new Noop(m);
1998	>
1999	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2000	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2001	>	final Callable<Boolean> complete1 = failFirst ?
2002	>	() -> fst.cancel(mayInterruptIfRunning) :
2003	>	() -> fst.complete(v1);
2004	>	final Callable<Boolean> complete2 = failFirst ?
2005	>	() -> snd.complete(v1) :
2006	>	() -> snd.cancel(mayInterruptIfRunning);
2007	>
2008	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2009	>	assertTrue(complete1.call());
2010	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2011	>	checkIncomplete(h1);
2012	>	checkIncomplete(h2);
2013	>	assertTrue(complete2.call());
2014	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2015	>
2016	>	checkCompletedWithWrappedCancellationException(h1);
2017	>	checkCompletedWithWrappedCancellationException(h2);
2018	>	checkCompletedWithWrappedCancellationException(h3);
2019	>	r1.assertNotInvoked();
2020	>	r2.assertNotInvoked();
2021	>	r3.assertNotInvoked();
2022	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2023	>	checkCancelled(failFirst ? fst : snd);
2024	>	}}
2025
2026		/**
2027	<	* runAfterEitherAsync result completes exceptionally if either
2167	<	* source cancelled
2027	>	* runAfterBoth result completes exceptionally if action does
2028		*/
2029	<	public void testRunAfterEitherAsync4() {
2030	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2031	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2032	<	Noop r = new Noop();
2033	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2034	<	assertTrue(f.cancel(true));
2035	<	checkCompletedWithWrappedCancellationException(g);
2036	<
2037	<	r = new Noop();
2038	<	f = new CompletableFuture<>();
2039	<	f2 = new CompletableFuture<>();
2040	<	assertTrue(f2.cancel(true));
2041	<	g = f.runAfterEitherAsync(f2, r);
2042	<	checkCompletedWithWrappedCancellationException(g);
2043	<	}
2029	>	public void testRunAfterBoth_actionFailed() {
2030	>	for (ExecutionMode m : ExecutionMode.values())
2031	>	for (boolean fFirst : new boolean[] { true, false })
2032	>	for (Integer v1 : new Integer[] { 1, null })
2033	>	for (Integer v2 : new Integer[] { 2, null })
2034	>	{
2035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2036	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2037	>	final FailingRunnable r1 = new FailingRunnable(m);
2038	>	final FailingRunnable r2 = new FailingRunnable(m);
2039	>	final FailingRunnable r3 = new FailingRunnable(m);
2040	>
2041	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2042	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2043	>	final Integer w1 =  fFirst ? v1 : v2;
2044	>	final Integer w2 = !fFirst ? v1 : v2;
2045	>
2046	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2047	>	assertTrue(fst.complete(w1));
2048	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2049	>	assertTrue(snd.complete(w2));
2050	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2051	>
2052	>	checkCompletedWithWrappedCFException(h1);
2053	>	checkCompletedWithWrappedCFException(h2);
2054	>	checkCompletedWithWrappedCFException(h3);
2055	>	r1.assertInvoked();
2056	>	r2.assertInvoked();
2057	>	r3.assertInvoked();
2058	>	checkCompletedNormally(f, v1);
2059	>	checkCompletedNormally(g, v2);
2060	>	}}
2061
2062		/**
2063	<	* thenComposeAsync result completes normally after normal
2064	<	* completion of source
2063	>	* applyToEither result completes normally after normal completion
2064	>	* of either source
2065		*/
2066	<	public void testThenComposeAsync() {
2067	<	CompletableFuture<Integer> f, g;
2068	<	CompletableFutureInc r;
2069	<
2070	<	f = new CompletableFuture<>();
2071	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2072	<	f.complete(one);
2073	<	checkCompletedNormally(g, two);
2074	<
2198	<	f = new CompletableFuture<>();
2199	<	f.complete(one);
2200	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2201	<	checkCompletedNormally(g, two);
2202	<	}
2066	>	public void testApplyToEither_normalCompletion() {
2067	>	for (ExecutionMode m : ExecutionMode.values())
2068	>	for (Integer v1 : new Integer[] { 1, null })
2069	>	for (Integer v2 : new Integer[] { 2, null })
2070	>	{
2071	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2072	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2073	>	final IncFunction[] rs = new IncFunction[6];
2074	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2075
2076	<	/**
2077	<	* thenComposeAsync result completes exceptionally after
2078	<	* exceptional completion of source
2079	<	*/
2080	<	public void testThenComposeAsync2() {
2081	<	CompletableFuture<Integer> f, g;
2082	<	CompletableFutureInc r;
2076	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2077	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2078	>	checkIncomplete(h0);
2079	>	checkIncomplete(h1);
2080	>	rs[0].assertNotInvoked();
2081	>	rs[1].assertNotInvoked();
2082	>	f.complete(v1);
2083	>	checkCompletedNormally(h0, inc(v1));
2084	>	checkCompletedNormally(h1, inc(v1));
2085	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2086	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2087	>	checkCompletedNormally(h2, inc(v1));
2088	>	checkCompletedNormally(h3, inc(v1));
2089	>	g.complete(v2);
2090
2091	<	f = new CompletableFuture<>();
2092	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2093	<	f.completeExceptionally(new CFException());
2094	<	checkCompletedWithWrappedCFException(g);
2095	<	assertFalse(r.ran);
2091	>	// unspecified behavior - both source completions available
2092	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2093	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2094	>	rs[4].assertValue(h4.join());
2095	>	rs[5].assertValue(h5.join());
2096	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2097	>	Objects.equals(inc(v2), h4.join()));
2098	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2099	>	Objects.equals(inc(v2), h5.join()));
2100
2101	<	f = new CompletableFuture<>();
2102	<	f.completeExceptionally(new CFException());
2103	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2104	<	checkCompletedWithWrappedCFException(g);
2105	<	assertFalse(r.ran);
2106	<	}
2101	>	checkCompletedNormally(f, v1);
2102	>	checkCompletedNormally(g, v2);
2103	>	checkCompletedNormally(h0, inc(v1));
2104	>	checkCompletedNormally(h1, inc(v1));
2105	>	checkCompletedNormally(h2, inc(v1));
2106	>	checkCompletedNormally(h3, inc(v1));
2107	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2108	>	}}
2109
2110		/**
2111	<	* thenComposeAsync result completes exceptionally if action does
2111	>	* applyToEither result completes exceptionally after exceptional
2112	>	* completion of either source
2113		*/
2114	<	public void testThenComposeAsync3() {
2115	<	CompletableFuture<Integer> f, g;
2116	<	FailingCompletableFutureFunction r;
2114	>	public void testApplyToEither_exceptionalCompletion() {
2115	>	for (ExecutionMode m : ExecutionMode.values())
2116	>	for (Integer v1 : new Integer[] { 1, null })
2117	>	{
2118	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2119	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2120	>	final CFException ex = new CFException();
2121	>	final IncFunction[] rs = new IncFunction[6];
2122	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2123
2124	<	f = new CompletableFuture<>();
2125	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2126	<	f.complete(one);
2127	<	checkCompletedWithWrappedCFException(g);
2124	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2125	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2126	>	checkIncomplete(h0);
2127	>	checkIncomplete(h1);
2128	>	rs[0].assertNotInvoked();
2129	>	rs[1].assertNotInvoked();
2130	>	f.completeExceptionally(ex);
2131	>	checkCompletedWithWrappedException(h0, ex);
2132	>	checkCompletedWithWrappedException(h1, ex);
2133	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2134	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2135	>	checkCompletedWithWrappedException(h2, ex);
2136	>	checkCompletedWithWrappedException(h3, ex);
2137	>	g.complete(v1);
2138
2139	<	f = new CompletableFuture<>();
2140	<	f.complete(one);
2141	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2142	<	checkCompletedWithWrappedCFException(g);
2143	<	}
2139	>	// unspecified behavior - both source completions available
2140	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2141	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2142	>	try {
2143	>	assertEquals(inc(v1), h4.join());
2144	>	rs[4].assertValue(inc(v1));
2145	>	} catch (CompletionException ok) {
2146	>	checkCompletedWithWrappedException(h4, ex);
2147	>	rs[4].assertNotInvoked();
2148	>	}
2149	>	try {
2150	>	assertEquals(inc(v1), h5.join());
2151	>	rs[5].assertValue(inc(v1));
2152	>	} catch (CompletionException ok) {
2153	>	checkCompletedWithWrappedException(h5, ex);
2154	>	rs[5].assertNotInvoked();
2155	>	}
2156
2157	<	/**
2158	<	* thenComposeAsync result completes exceptionally if source cancelled
2159	<	*/
2160	<	public void testThenComposeAsync4() {
2161	<	CompletableFuture<Integer> f, g;
2162	<	CompletableFutureInc r;
2157	>	checkCompletedExceptionally(f, ex);
2158	>	checkCompletedNormally(g, v1);
2159	>	checkCompletedWithWrappedException(h0, ex);
2160	>	checkCompletedWithWrappedException(h1, ex);
2161	>	checkCompletedWithWrappedException(h2, ex);
2162	>	checkCompletedWithWrappedException(h3, ex);
2163	>	checkCompletedWithWrappedException(h4, ex);
2164	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2165	>	}}
2166
2167	<	f = new CompletableFuture<>();
2168	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2169	<	assertTrue(f.cancel(true));
2170	<	checkCompletedWithWrappedCancellationException(g);
2167	>	public void testApplyToEither_exceptionalCompletion2() {
2168	>	for (ExecutionMode m : ExecutionMode.values())
2169	>	for (boolean fFirst : new boolean[] { true, false })
2170	>	for (Integer v1 : new Integer[] { 1, null })
2171	>	{
2172	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2173	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2174	>	final CFException ex = new CFException();
2175	>	final IncFunction[] rs = new IncFunction[6];
2176	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2177
2178	<	f = new CompletableFuture<>();
2179	<	assertTrue(f.cancel(true));
2180	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2181	<	checkCompletedWithWrappedCancellationException(g);
2182	<	}
2178	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2179	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2180	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2181	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2182	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2183	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2184	>
2185	>	// unspecified behavior - both source completions available
2186	>	try {
2187	>	assertEquals(inc(v1), h0.join());
2188	>	rs[0].assertValue(inc(v1));
2189	>	} catch (CompletionException ok) {
2190	>	checkCompletedWithWrappedException(h0, ex);
2191	>	rs[0].assertNotInvoked();
2192	>	}
2193	>	try {
2194	>	assertEquals(inc(v1), h1.join());
2195	>	rs[1].assertValue(inc(v1));
2196	>	} catch (CompletionException ok) {
2197	>	checkCompletedWithWrappedException(h1, ex);
2198	>	rs[1].assertNotInvoked();
2199	>	}
2200	>	try {
2201	>	assertEquals(inc(v1), h2.join());
2202	>	rs[2].assertValue(inc(v1));
2203	>	} catch (CompletionException ok) {
2204	>	checkCompletedWithWrappedException(h2, ex);
2205	>	rs[2].assertNotInvoked();
2206	>	}
2207	>	try {
2208	>	assertEquals(inc(v1), h3.join());
2209	>	rs[3].assertValue(inc(v1));
2210	>	} catch (CompletionException ok) {
2211	>	checkCompletedWithWrappedException(h3, ex);
2212	>	rs[3].assertNotInvoked();
2213	>	}
2214
2215	<	// async with explicit executors
2215	>	checkCompletedNormally(f, v1);
2216	>	checkCompletedExceptionally(g, ex);
2217	>	}}
2218
2219		/**
2220	<	* thenRunAsync result completes normally after normal completion of source
2220	>	* applyToEither result completes exceptionally if either source cancelled
2221		*/
2222	<	public void testThenRunAsyncE() {
2223	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2224	<	Noop r = new Noop();
2225	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2226	<	f.complete(null);
2227	<	checkCompletedNormally(g, null);
2228	<
2229	<	// reordered version
2230	<	f = new CompletableFuture<>();
2275	<	f.complete(null);
2276	<	r = new Noop();
2277	<	g = f.thenRunAsync(r, new ThreadExecutor());
2278	<	checkCompletedNormally(g, null);
2279	<	}
2222	>	public void testApplyToEither_sourceCancelled() {
2223	>	for (ExecutionMode m : ExecutionMode.values())
2224	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2225	>	for (Integer v1 : new Integer[] { 1, null })
2226	>	{
2227	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2228	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2229	>	final IncFunction[] rs = new IncFunction[6];
2230	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2231
2232	<	/**
2233	<	* thenRunAsync result completes exceptionally after exceptional
2234	<	* completion of source
2235	<	*/
2236	<	public void testThenRunAsync2E() {
2237	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2238	<	Noop r = new Noop();
2239	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2240	<	f.completeExceptionally(new CFException());
2241	<	try {
2242	<	g.join();
2243	<	shouldThrow();
2244	<	} catch (CompletionException success) {}
2245	<	checkCompletedWithWrappedCFException(g);
2295	<	}
2232	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2233	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2234	>	checkIncomplete(h0);
2235	>	checkIncomplete(h1);
2236	>	rs[0].assertNotInvoked();
2237	>	rs[1].assertNotInvoked();
2238	>	f.cancel(mayInterruptIfRunning);
2239	>	checkCompletedWithWrappedCancellationException(h0);
2240	>	checkCompletedWithWrappedCancellationException(h1);
2241	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2242	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2243	>	checkCompletedWithWrappedCancellationException(h2);
2244	>	checkCompletedWithWrappedCancellationException(h3);
2245	>	g.complete(v1);
2246
2247	<	/**
2248	<	* thenRunAsync result completes exceptionally if action does
2249	<	*/
2250	<	public void testThenRunAsync3E() {
2251	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2252	<	FailingNoop r = new FailingNoop();
2253	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2254	<	f.complete(null);
2255	<	checkCompletedWithWrappedCFException(g);
2256	<	}
2247	>	// unspecified behavior - both source completions available
2248	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2249	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2250	>	try {
2251	>	assertEquals(inc(v1), h4.join());
2252	>	rs[4].assertValue(inc(v1));
2253	>	} catch (CompletionException ok) {
2254	>	checkCompletedWithWrappedCancellationException(h4);
2255	>	rs[4].assertNotInvoked();
2256	>	}
2257	>	try {
2258	>	assertEquals(inc(v1), h5.join());
2259	>	rs[5].assertValue(inc(v1));
2260	>	} catch (CompletionException ok) {
2261	>	checkCompletedWithWrappedCancellationException(h5);
2262	>	rs[5].assertNotInvoked();
2263	>	}
2264
2265	<	/**
2266	<	* thenRunAsync result completes exceptionally if source cancelled
2267	<	*/
2268	<	public void testThenRunAsync4E() {
2269	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2270	<	Noop r = new Noop();
2271	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2272	<	assertTrue(f.cancel(true));
2316	<	checkCompletedWithWrappedCancellationException(g);
2317	<	}
2265	>	checkCancelled(f);
2266	>	checkCompletedNormally(g, v1);
2267	>	checkCompletedWithWrappedCancellationException(h0);
2268	>	checkCompletedWithWrappedCancellationException(h1);
2269	>	checkCompletedWithWrappedCancellationException(h2);
2270	>	checkCompletedWithWrappedCancellationException(h3);
2271	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2272	>	}}
2273
2274	<	/**
2275	<	* thenApplyAsync result completes normally after normal completion of source
2276	<	*/
2277	<	public void testThenApplyAsyncE() {
2278	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2279	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2280	<	f.complete(one);
2281	<	checkCompletedNormally(g, two);
2282	<	}
2274	>	public void testApplyToEither_sourceCancelled2() {
2275	>	for (ExecutionMode m : ExecutionMode.values())
2276	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2277	>	for (boolean fFirst : new boolean[] { true, false })
2278	>	for (Integer v1 : new Integer[] { 1, null })
2279	>	{
2280	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2281	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2282	>	final IncFunction[] rs = new IncFunction[6];
2283	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2284
2285	<	/**
2286	<	* thenApplyAsync result completes exceptionally after exceptional
2287	<	* completion of source
2288	<	*/
2289	<	public void testThenApplyAsync2E() {
2290	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2291	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2292	<	f.completeExceptionally(new CFException());
2293	<	checkCompletedWithWrappedCFException(g);
2294	<	}
2285	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2286	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2287	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2288	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2289	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2290	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2291	>
2292	>	// unspecified behavior - both source completions available
2293	>	try {
2294	>	assertEquals(inc(v1), h0.join());
2295	>	rs[0].assertValue(inc(v1));
2296	>	} catch (CompletionException ok) {
2297	>	checkCompletedWithWrappedCancellationException(h0);
2298	>	rs[0].assertNotInvoked();
2299	>	}
2300	>	try {
2301	>	assertEquals(inc(v1), h1.join());
2302	>	rs[1].assertValue(inc(v1));
2303	>	} catch (CompletionException ok) {
2304	>	checkCompletedWithWrappedCancellationException(h1);
2305	>	rs[1].assertNotInvoked();
2306	>	}
2307	>	try {
2308	>	assertEquals(inc(v1), h2.join());
2309	>	rs[2].assertValue(inc(v1));
2310	>	} catch (CompletionException ok) {
2311	>	checkCompletedWithWrappedCancellationException(h2);
2312	>	rs[2].assertNotInvoked();
2313	>	}
2314	>	try {
2315	>	assertEquals(inc(v1), h3.join());
2316	>	rs[3].assertValue(inc(v1));
2317	>	} catch (CompletionException ok) {
2318	>	checkCompletedWithWrappedCancellationException(h3);
2319	>	rs[3].assertNotInvoked();
2320	>	}
2321
2322	<	/**
2323	<	* thenApplyAsync result completes exceptionally if action does
2324	<	*/
2343	<	public void testThenApplyAsync3E() {
2344	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2345	<	FailingFunction r = new FailingFunction();
2346	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2347	<	f.complete(null);
2348	<	checkCompletedWithWrappedCFException(g);
2349	<	}
2322	>	checkCompletedNormally(f, v1);
2323	>	checkCancelled(g);
2324	>	}}
2325
2326		/**
2327	<	* thenApplyAsync result completes exceptionally if source cancelled
2327	>	* applyToEither result completes exceptionally if action does
2328		*/
2329	<	public void testThenApplyAsync4E() {
2330	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2331	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2332	<	assertTrue(f.cancel(true));
2333	<	checkCompletedWithWrappedCancellationException(g);
2334	<	}
2329	>	public void testApplyToEither_actionFailed() {
2330	>	for (ExecutionMode m : ExecutionMode.values())
2331	>	for (Integer v1 : new Integer[] { 1, null })
2332	>	for (Integer v2 : new Integer[] { 2, null })
2333	>	{
2334	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2335	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2336	>	final FailingFunction[] rs = new FailingFunction[6];
2337	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2338
2339	<	/**
2340	<	* thenAcceptAsync result completes normally after normal
2341	<	* completion of source
2342	<	*/
2343	<	public void testThenAcceptAsyncE() {
2344	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2345	<	IncAction r = new IncAction();
2346	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2347	<	f.complete(one);
2348	<	checkCompletedNormally(g, null);
2371	<	assertEquals(r.value, 2);
2372	<	}
2339	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2340	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2341	>	f.complete(v1);
2342	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2343	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2344	>	checkCompletedWithWrappedCFException(h0);
2345	>	checkCompletedWithWrappedCFException(h1);
2346	>	checkCompletedWithWrappedCFException(h2);
2347	>	checkCompletedWithWrappedCFException(h3);
2348	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2349
2350	<	/**
2375	<	* thenAcceptAsync result completes exceptionally after exceptional
2376	<	* completion of source
2377	<	*/
2378	<	public void testThenAcceptAsync2E() {
2379	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2380	<	IncAction r = new IncAction();
2381	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2382	<	f.completeExceptionally(new CFException());
2383	<	checkCompletedWithWrappedCFException(g);
2384	<	}
2350	>	g.complete(v2);
2351
2352	<	/**
2353	<	* thenAcceptAsync result completes exceptionally if action does
2354	<	*/
2355	<	public void testThenAcceptAsync3E() {
2356	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2357	<	FailingConsumer r = new FailingConsumer();
2358	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2359	<	f.complete(null);
2360	<	checkCompletedWithWrappedCFException(g);
2361	<	}
2352	>	// unspecified behavior - both source completions available
2353	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2354	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2355	>
2356	>	checkCompletedWithWrappedCFException(h4);
2357	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2358	>	Objects.equals(v2, rs[4].value));
2359	>	checkCompletedWithWrappedCFException(h5);
2360	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2361	>	Objects.equals(v2, rs[5].value));
2362
2363	<	/**
2364	<	* thenAcceptAsync result completes exceptionally if source cancelled
2365	<	*/
2400	<	public void testThenAcceptAsync4E() {
2401	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2402	<	IncAction r = new IncAction();
2403	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2404	<	assertTrue(f.cancel(true));
2405	<	checkCompletedWithWrappedCancellationException(g);
2406	<	}
2363	>	checkCompletedNormally(f, v1);
2364	>	checkCompletedNormally(g, v2);
2365	>	}}
2366
2367		/**
2368	<	* thenCombineAsync result completes normally after normal
2369	<	* completion of sources
2368	>	* acceptEither result completes normally after normal completion
2369	>	* of either source
2370		*/
2371	<	public void testThenCombineAsyncE() {
2372	<	CompletableFuture<Integer> f, g, h;
2373	<	ThreadExecutor e = new ThreadExecutor();
2374	<	int count = 0;
2371	>	public void testAcceptEither_normalCompletion() {
2372	>	for (ExecutionMode m : ExecutionMode.values())
2373	>	for (Integer v1 : new Integer[] { 1, null })
2374	>	for (Integer v2 : new Integer[] { 2, null })
2375	>	{
2376	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2377	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2378	>	final NoopConsumer[] rs = new NoopConsumer[6];
2379	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2380
2381	<	f = new CompletableFuture<>();
2382	<	g = new CompletableFuture<>();
2383	<	h = f.thenCombineAsync(g, subtract, e);
2384	<	f.complete(3);
2385	<	checkIncomplete(h);
2386	<	g.complete(1);
2387	<	checkCompletedNormally(h, 2);
2388	<	assertEquals(++count, e.count.get());
2381	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2382	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2383	>	checkIncomplete(h0);
2384	>	checkIncomplete(h1);
2385	>	rs[0].assertNotInvoked();
2386	>	rs[1].assertNotInvoked();
2387	>	f.complete(v1);
2388	>	checkCompletedNormally(h0, null);
2389	>	checkCompletedNormally(h1, null);
2390	>	rs[0].assertValue(v1);
2391	>	rs[1].assertValue(v1);
2392	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2393	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2394	>	checkCompletedNormally(h2, null);
2395	>	checkCompletedNormally(h3, null);
2396	>	rs[2].assertValue(v1);
2397	>	rs[3].assertValue(v1);
2398	>	g.complete(v2);
2399
2400	<	f = new CompletableFuture<>();
2401	<	g = new CompletableFuture<>();
2402	<	h = f.thenCombineAsync(g, subtract, e);
2403	<	g.complete(1);
2404	<	checkIncomplete(h);
2405	<	f.complete(3);
2406	<	checkCompletedNormally(h, 2);
2407	<	assertEquals(++count, e.count.get());
2400	>	// unspecified behavior - both source completions available
2401	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2402	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2403	>	checkCompletedNormally(h4, null);
2404	>	checkCompletedNormally(h5, null);
2405	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2406	>	Objects.equals(v2, rs[4].value));
2407	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2408	>	Objects.equals(v2, rs[5].value));
2409
2410	<	f = new CompletableFuture<>();
2411	<	g = new CompletableFuture<>();
2412	<	g.complete(1);
2413	<	f.complete(3);
2414	<	h = f.thenCombineAsync(g, subtract, e);
2415	<	checkCompletedNormally(h, 2);
2416	<	assertEquals(++count, e.count.get());
2417	<	}
2410	>	checkCompletedNormally(f, v1);
2411	>	checkCompletedNormally(g, v2);
2412	>	checkCompletedNormally(h0, null);
2413	>	checkCompletedNormally(h1, null);
2414	>	checkCompletedNormally(h2, null);
2415	>	checkCompletedNormally(h3, null);
2416	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2417	>	}}
2418
2419		/**
2420	<	* thenCombineAsync result completes exceptionally after exceptional
2420	>	* acceptEither result completes exceptionally after exceptional
2421		* completion of either source
2422		*/
2423	<	public void testThenCombineAsync2E() {
2424	<	CompletableFuture<Integer> f, g, h;
2425	<	ThreadExecutor e = new ThreadExecutor();
2426	<	int count = 0;
2427	<
2428	<	f = new CompletableFuture<>();
2429	<	g = new CompletableFuture<>();
2430	<	h = f.thenCombineAsync(g, subtract, e);
2431	<	f.completeExceptionally(new CFException());
2457	<	checkIncomplete(h);
2458	<	g.complete(1);
2459	<	checkCompletedWithWrappedCFException(h);
2460	<
2461	<	f = new CompletableFuture<>();
2462	<	g = new CompletableFuture<>();
2463	<	h = f.thenCombineAsync(g, subtract, e);
2464	<	g.completeExceptionally(new CFException());
2465	<	checkIncomplete(h);
2466	<	f.complete(3);
2467	<	checkCompletedWithWrappedCFException(h);
2468	<
2469	<	f = new CompletableFuture<>();
2470	<	g = new CompletableFuture<>();
2471	<	g.completeExceptionally(new CFException());
2472	<	h = f.thenCombineAsync(g, subtract, e);
2473	<	checkIncomplete(h);
2474	<	f.complete(3);
2475	<	checkCompletedWithWrappedCFException(h);
2476	<
2477	<	assertEquals(0, e.count.get());
2478	<	}
2423	>	public void testAcceptEither_exceptionalCompletion() {
2424	>	for (ExecutionMode m : ExecutionMode.values())
2425	>	for (Integer v1 : new Integer[] { 1, null })
2426	>	{
2427	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2428	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2429	>	final CFException ex = new CFException();
2430	>	final NoopConsumer[] rs = new NoopConsumer[6];
2431	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2432
2433	<	/**
2434	<	* thenCombineAsync result completes exceptionally if action does
2435	<	*/
2436	<	public void testThenCombineAsync3E() {
2437	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2438	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2439	<	FailingBiFunction r = new FailingBiFunction();
2440	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2441	<	f.complete(one);
2442	<	checkIncomplete(g);
2443	<	assertFalse(r.ran);
2444	<	f2.complete(two);
2445	<	checkCompletedWithWrappedCFException(g);
2493	<	assertTrue(r.ran);
2494	<	}
2433	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2434	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2435	>	checkIncomplete(h0);
2436	>	checkIncomplete(h1);
2437	>	rs[0].assertNotInvoked();
2438	>	rs[1].assertNotInvoked();
2439	>	f.completeExceptionally(ex);
2440	>	checkCompletedWithWrappedException(h0, ex);
2441	>	checkCompletedWithWrappedException(h1, ex);
2442	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2443	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2444	>	checkCompletedWithWrappedException(h2, ex);
2445	>	checkCompletedWithWrappedException(h3, ex);
2446
2447	<	/**
2497	<	* thenCombineAsync result completes exceptionally if either source cancelled
2498	<	*/
2499	<	public void testThenCombineAsync4E() {
2500	<	CompletableFuture<Integer> f, g, h;
2501	<	ThreadExecutor e = new ThreadExecutor();
2447	>	g.complete(v1);
2448
2449	<	f = new CompletableFuture<>();
2450	<	g = new CompletableFuture<>();
2451	<	h = f.thenCombineAsync(g, subtract, e);
2452	<	assertTrue(f.cancel(true));
2453	<	checkIncomplete(h);
2454	<	g.complete(1);
2455	<	checkCompletedWithWrappedCancellationException(h);
2449	>	// unspecified behavior - both source completions available
2450	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2451	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2452	>	try {
2453	>	assertNull(h4.join());
2454	>	rs[4].assertValue(v1);
2455	>	} catch (CompletionException ok) {
2456	>	checkCompletedWithWrappedException(h4, ex);
2457	>	rs[4].assertNotInvoked();
2458	>	}
2459	>	try {
2460	>	assertNull(h5.join());
2461	>	rs[5].assertValue(v1);
2462	>	} catch (CompletionException ok) {
2463	>	checkCompletedWithWrappedException(h5, ex);
2464	>	rs[5].assertNotInvoked();
2465	>	}
2466
2467	<	f = new CompletableFuture<>();
2468	<	g = new CompletableFuture<>();
2469	<	h = f.thenCombineAsync(g, subtract, e);
2470	<	assertTrue(g.cancel(true));
2471	<	checkIncomplete(h);
2472	<	f.complete(3);
2473	<	checkCompletedWithWrappedCancellationException(h);
2467	>	checkCompletedExceptionally(f, ex);
2468	>	checkCompletedNormally(g, v1);
2469	>	checkCompletedWithWrappedException(h0, ex);
2470	>	checkCompletedWithWrappedException(h1, ex);
2471	>	checkCompletedWithWrappedException(h2, ex);
2472	>	checkCompletedWithWrappedException(h3, ex);
2473	>	checkCompletedWithWrappedException(h4, ex);
2474	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2475	>	}}
2476
2477	<	f = new CompletableFuture<>();
2478	<	g = new CompletableFuture<>();
2479	<	assertTrue(g.cancel(true));
2480	<	h = f.thenCombineAsync(g, subtract, e);
2481	<	checkIncomplete(h);
2482	<	f.complete(3);
2483	<	checkCompletedWithWrappedCancellationException(h);
2477	>	public void testAcceptEither_exceptionalCompletion2() {
2478	>	for (ExecutionMode m : ExecutionMode.values())
2479	>	for (boolean fFirst : new boolean[] { true, false })
2480	>	for (Integer v1 : new Integer[] { 1, null })
2481	>	{
2482	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2483	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2484	>	final CFException ex = new CFException();
2485	>	final NoopConsumer[] rs = new NoopConsumer[6];
2486	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2487
2488	<	f = new CompletableFuture<>();
2489	<	g = new CompletableFuture<>();
2490	<	assertTrue(f.cancel(true));
2491	<	assertTrue(g.cancel(true));
2492	<	h = f.thenCombineAsync(g, subtract, e);
2493	<	checkCompletedWithWrappedCancellationException(h);
2488	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2489	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2490	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2491	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2492	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2493	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2494	>
2495	>	// unspecified behavior - both source completions available
2496	>	try {
2497	>	assertEquals(null, h0.join());
2498	>	rs[0].assertValue(v1);
2499	>	} catch (CompletionException ok) {
2500	>	checkCompletedWithWrappedException(h0, ex);
2501	>	rs[0].assertNotInvoked();
2502	>	}
2503	>	try {
2504	>	assertEquals(null, h1.join());
2505	>	rs[1].assertValue(v1);
2506	>	} catch (CompletionException ok) {
2507	>	checkCompletedWithWrappedException(h1, ex);
2508	>	rs[1].assertNotInvoked();
2509	>	}
2510	>	try {
2511	>	assertEquals(null, h2.join());
2512	>	rs[2].assertValue(v1);
2513	>	} catch (CompletionException ok) {
2514	>	checkCompletedWithWrappedException(h2, ex);
2515	>	rs[2].assertNotInvoked();
2516	>	}
2517	>	try {
2518	>	assertEquals(null, h3.join());
2519	>	rs[3].assertValue(v1);
2520	>	} catch (CompletionException ok) {
2521	>	checkCompletedWithWrappedException(h3, ex);
2522	>	rs[3].assertNotInvoked();
2523	>	}
2524
2525	<	assertEquals(0, e.count.get());
2526	<	}
2525	>	checkCompletedNormally(f, v1);
2526	>	checkCompletedExceptionally(g, ex);
2527	>	}}
2528
2529		/**
2530	<	* thenAcceptBothAsync result completes normally after normal
2539	<	* completion of sources
2530	>	* acceptEither result completes exceptionally if either source cancelled
2531		*/
2532	<	public void testThenAcceptBothAsyncE() {
2533	<	CompletableFuture<Integer> f, g;
2534	<	CompletableFuture<Void> h;
2535	<	SubtractAction r;
2536	<	ThreadExecutor e = new ThreadExecutor();
2532	>	public void testAcceptEither_sourceCancelled() {
2533	>	for (ExecutionMode m : ExecutionMode.values())
2534	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2535	>	for (Integer v1 : new Integer[] { 1, null })
2536	>	{
2537	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2538	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2539	>	final NoopConsumer[] rs = new NoopConsumer[6];
2540	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2541
2542	<	f = new CompletableFuture<>();
2543	<	g = new CompletableFuture<>();
2544	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2545	<	f.complete(3);
2546	<	checkIncomplete(h);
2547	<	g.complete(1);
2548	<	checkCompletedNormally(h, null);
2549	<	assertEquals(r.value, 2);
2542	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2543	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2544	>	checkIncomplete(h0);
2545	>	checkIncomplete(h1);
2546	>	rs[0].assertNotInvoked();
2547	>	rs[1].assertNotInvoked();
2548	>	f.cancel(mayInterruptIfRunning);
2549	>	checkCompletedWithWrappedCancellationException(h0);
2550	>	checkCompletedWithWrappedCancellationException(h1);
2551	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2552	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2553	>	checkCompletedWithWrappedCancellationException(h2);
2554	>	checkCompletedWithWrappedCancellationException(h3);
2555
2556	<	f = new CompletableFuture<>();
2557	<	g = new CompletableFuture<>();
2558	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2559	<	g.complete(1);
2560	<	checkIncomplete(h);
2561	<	f.complete(3);
2562	<	checkCompletedNormally(h, null);
2563	<	assertEquals(r.value, 2);
2556	>	g.complete(v1);
2557
2558	<	f = new CompletableFuture<>();
2559	<	g = new CompletableFuture<>();
2560	<	g.complete(1);
2561	<	f.complete(3);
2562	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2563	<	checkCompletedNormally(h, null);
2564	<	assertEquals(r.value, 2);
2558	>	// unspecified behavior - both source completions available
2559	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2560	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2561	>	try {
2562	>	assertNull(h4.join());
2563	>	rs[4].assertValue(v1);
2564	>	} catch (CompletionException ok) {
2565	>	checkCompletedWithWrappedCancellationException(h4);
2566	>	rs[4].assertNotInvoked();
2567	>	}
2568	>	try {
2569	>	assertNull(h5.join());
2570	>	rs[5].assertValue(v1);
2571	>	} catch (CompletionException ok) {
2572	>	checkCompletedWithWrappedCancellationException(h5);
2573	>	rs[5].assertNotInvoked();
2574	>	}
2575
2576	<	assertEquals(3, e.count.get());
2577	<	}
2576	>	checkCancelled(f);
2577	>	checkCompletedNormally(g, v1);
2578	>	checkCompletedWithWrappedCancellationException(h0);
2579	>	checkCompletedWithWrappedCancellationException(h1);
2580	>	checkCompletedWithWrappedCancellationException(h2);
2581	>	checkCompletedWithWrappedCancellationException(h3);
2582	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2583	>	}}
2584
2585		/**
2586	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2578	<	* completion of source
2586	>	* acceptEither result completes exceptionally if action does
2587		*/
2588	<	public void testThenAcceptBothAsync2E() {
2589	<	CompletableFuture<Integer> f, g;
2590	<	CompletableFuture<Void> h;
2591	<	SubtractAction r;
2592	<	ThreadExecutor e = new ThreadExecutor();
2593	<
2594	<	f = new CompletableFuture<>();
2595	<	g = new CompletableFuture<>();
2596	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2589	<	f.completeExceptionally(new CFException());
2590	<	checkIncomplete(h);
2591	<	g.complete(1);
2592	<	checkCompletedWithWrappedCFException(h);
2593	<
2594	<	f = new CompletableFuture<>();
2595	<	g = new CompletableFuture<>();
2596	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2597	<	g.completeExceptionally(new CFException());
2598	<	checkIncomplete(h);
2599	<	f.complete(3);
2600	<	checkCompletedWithWrappedCFException(h);
2601	<
2602	<	f = new CompletableFuture<>();
2603	<	g = new CompletableFuture<>();
2604	<	f.complete(3);
2605	<	g.completeExceptionally(new CFException());
2606	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2607	<	checkCompletedWithWrappedCFException(h);
2608	<
2609	<	f = new CompletableFuture<>();
2610	<	g = new CompletableFuture<>();
2611	<	f.completeExceptionally(new CFException());
2612	<	g.complete(3);
2613	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2614	<	checkCompletedWithWrappedCFException(h);
2615	<
2616	<	assertEquals(0, e.count.get());
2617	<	}
2588	>	public void testAcceptEither_actionFailed() {
2589	>	for (ExecutionMode m : ExecutionMode.values())
2590	>	for (Integer v1 : new Integer[] { 1, null })
2591	>	for (Integer v2 : new Integer[] { 2, null })
2592	>	{
2593	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2594	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2595	>	final FailingConsumer[] rs = new FailingConsumer[6];
2596	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2597
2598	<	/**
2599	<	* thenAcceptBothAsync result completes exceptionally if action does
2600	<	*/
2601	<	public void testThenAcceptBothAsync3E() {
2602	<	CompletableFuture<Integer> f, g;
2603	<	CompletableFuture<Void> h;
2604	<	FailingBiConsumer r;
2605	<	ThreadExecutor e = new ThreadExecutor();
2598	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2599	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2600	>	f.complete(v1);
2601	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2602	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2603	>	checkCompletedWithWrappedCFException(h0);
2604	>	checkCompletedWithWrappedCFException(h1);
2605	>	checkCompletedWithWrappedCFException(h2);
2606	>	checkCompletedWithWrappedCFException(h3);
2607	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2608
2609	<	f = new CompletableFuture<>();
2629	<	g = new CompletableFuture<>();
2630	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2631	<	f.complete(3);
2632	<	checkIncomplete(h);
2633	<	g.complete(1);
2634	<	checkCompletedWithWrappedCFException(h);
2609	>	g.complete(v2);
2610
2611	<	f = new CompletableFuture<>();
2612	<	g = new CompletableFuture<>();
2613	<	f.complete(3);
2614	<	g.complete(1);
2615	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2616	<	checkCompletedWithWrappedCFException(h);
2611	>	// unspecified behavior - both source completions available
2612	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2613	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2614	>
2615	>	checkCompletedWithWrappedCFException(h4);
2616	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2617	>	Objects.equals(v2, rs[4].value));
2618	>	checkCompletedWithWrappedCFException(h5);
2619	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2620	>	Objects.equals(v2, rs[5].value));
2621
2622	<	assertEquals(2, e.count.get());
2623	<	}
2622	>	checkCompletedNormally(f, v1);
2623	>	checkCompletedNormally(g, v2);
2624	>	}}
2625
2626		/**
2627	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2627	>	* runAfterEither result completes normally after normal completion
2628	>	* of either source
2629		*/
2630	<	public void testThenAcceptBothAsync4E() {
2631	<	CompletableFuture<Integer> f, g;
2632	<	CompletableFuture<Void> h;
2633	<	SubtractAction r;
2634	<	ThreadExecutor e = new ThreadExecutor();
2635	<
2636	<	f = new CompletableFuture<>();
2637	<	g = new CompletableFuture<>();
2638	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2658	<	assertTrue(f.cancel(true));
2659	<	checkIncomplete(h);
2660	<	g.complete(1);
2661	<	checkCompletedWithWrappedCancellationException(h);
2630	>	public void testRunAfterEither_normalCompletion() {
2631	>	for (ExecutionMode m : ExecutionMode.values())
2632	>	for (Integer v1 : new Integer[] { 1, null })
2633	>	for (Integer v2 : new Integer[] { 2, null })
2634	>	{
2635	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2636	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2637	>	final Noop[] rs = new Noop[6];
2638	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2639
2640	<	f = new CompletableFuture<>();
2641	<	g = new CompletableFuture<>();
2642	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2643	<	assertTrue(g.cancel(true));
2644	<	checkIncomplete(h);
2645	<	f.complete(3);
2646	<	checkCompletedWithWrappedCancellationException(h);
2640	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2641	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2642	>	checkIncomplete(h0);
2643	>	checkIncomplete(h1);
2644	>	rs[0].assertNotInvoked();
2645	>	rs[1].assertNotInvoked();
2646	>	f.complete(v1);
2647	>	checkCompletedNormally(h0, null);
2648	>	checkCompletedNormally(h1, null);
2649	>	rs[0].assertInvoked();
2650	>	rs[1].assertInvoked();
2651	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2652	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2653	>	checkCompletedNormally(h2, null);
2654	>	checkCompletedNormally(h3, null);
2655	>	rs[2].assertInvoked();
2656	>	rs[3].assertInvoked();
2657
2658	<	f = new CompletableFuture<>();
2672	<	g = new CompletableFuture<>();
2673	<	f.complete(3);
2674	<	assertTrue(g.cancel(true));
2675	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2676	<	checkCompletedWithWrappedCancellationException(h);
2658	>	g.complete(v2);
2659
2660	<	f = new CompletableFuture<>();
2661	<	g = new CompletableFuture<>();
2680	<	assertTrue(f.cancel(true));
2681	<	g.complete(3);
2682	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2683	<	checkCompletedWithWrappedCancellationException(h);
2660	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2661	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2662
2663	<	assertEquals(0, e.count.get());
2664	<	}
2663	>	checkCompletedNormally(f, v1);
2664	>	checkCompletedNormally(g, v2);
2665	>	checkCompletedNormally(h0, null);
2666	>	checkCompletedNormally(h1, null);
2667	>	checkCompletedNormally(h2, null);
2668	>	checkCompletedNormally(h3, null);
2669	>	checkCompletedNormally(h4, null);
2670	>	checkCompletedNormally(h5, null);
2671	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2672	>	}}
2673
2674		/**
2675	<	* applyToEitherAsync result completes normally after normal
2676	<	* completion of sources
2675	>	* runAfterEither result completes exceptionally after exceptional
2676	>	* completion of either source
2677		*/
2678	<	public void testApplyToEitherAsyncE() {
2679	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2680	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2681	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2682	<	f.complete(one);
2683	<	checkCompletedNormally(g, two);
2684	<
2685	<	f = new CompletableFuture<>();
2686	<	f.complete(one);
2701	<	f2 = new CompletableFuture<>();
2702	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2703	<	checkCompletedNormally(g, two);
2704	<	}
2678	>	public void testRunAfterEither_exceptionalCompletion() {
2679	>	for (ExecutionMode m : ExecutionMode.values())
2680	>	for (Integer v1 : new Integer[] { 1, null })
2681	>	{
2682	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2683	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2684	>	final CFException ex = new CFException();
2685	>	final Noop[] rs = new Noop[6];
2686	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2687
2688	<	/**
2689	<	* applyToEitherAsync result completes exceptionally after exceptional
2690	<	* completion of source
2691	<	*/
2692	<	public void testApplyToEitherAsync2E() {
2693	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2694	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2695	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2696	<	f.completeExceptionally(new CFException());
2697	<	checkCompletedWithWrappedCFException(g);
2688	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2689	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2690	>	checkIncomplete(h0);
2691	>	checkIncomplete(h1);
2692	>	rs[0].assertNotInvoked();
2693	>	rs[1].assertNotInvoked();
2694	>	assertTrue(f.completeExceptionally(ex));
2695	>	checkCompletedWithWrappedException(h0, ex);
2696	>	checkCompletedWithWrappedException(h1, ex);
2697	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2698	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2699	>	checkCompletedWithWrappedException(h2, ex);
2700	>	checkCompletedWithWrappedException(h3, ex);
2701	>
2702	>	assertTrue(g.complete(v1));
2703	>
2704	>	// unspecified behavior - both source completions available
2705	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2706	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2707	>	try {
2708	>	assertNull(h4.join());
2709	>	rs[4].assertInvoked();
2710	>	} catch (CompletionException ok) {
2711	>	checkCompletedWithWrappedException(h4, ex);
2712	>	rs[4].assertNotInvoked();
2713	>	}
2714	>	try {
2715	>	assertNull(h5.join());
2716	>	rs[5].assertInvoked();
2717	>	} catch (CompletionException ok) {
2718	>	checkCompletedWithWrappedException(h5, ex);
2719	>	rs[5].assertNotInvoked();
2720	>	}
2721
2722	<	f = new CompletableFuture<>();
2723	<	f2 = new CompletableFuture<>();
2724	<	f2.completeExceptionally(new CFException());
2725	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2726	<	f.complete(one);
2727	<	checkCompletedWithWrappedCFException(g);
2728	<	}
2722	>	checkCompletedExceptionally(f, ex);
2723	>	checkCompletedNormally(g, v1);
2724	>	checkCompletedWithWrappedException(h0, ex);
2725	>	checkCompletedWithWrappedException(h1, ex);
2726	>	checkCompletedWithWrappedException(h2, ex);
2727	>	checkCompletedWithWrappedException(h3, ex);
2728	>	checkCompletedWithWrappedException(h4, ex);
2729	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2730	>	}}
2731
2732	<	/**
2733	<	* applyToEitherAsync result completes exceptionally if action does
2734	<	*/
2735	<	public void testApplyToEitherAsync3E() {
2736	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2737	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2738	<	FailingFunction r = new FailingFunction();
2739	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2740	<	f.complete(one);
2741	<	checkCompletedWithWrappedCFException(g);
2735	<	}
2732	>	public void testRunAfterEither_exceptionalCompletion2() {
2733	>	for (ExecutionMode m : ExecutionMode.values())
2734	>	for (boolean fFirst : new boolean[] { true, false })
2735	>	for (Integer v1 : new Integer[] { 1, null })
2736	>	{
2737	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2738	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2739	>	final CFException ex = new CFException();
2740	>	final Noop[] rs = new Noop[6];
2741	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2742
2743	<	/**
2744	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2745	<	*/
2746	<	public void testApplyToEitherAsync4E() {
2747	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2748	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2749	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2750	<	assertTrue(f.cancel(true));
2751	<	checkCompletedWithWrappedCancellationException(g);
2743	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2744	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2745	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2746	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2747	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2748	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2749	>
2750	>	// unspecified behavior - both source completions available
2751	>	try {
2752	>	assertEquals(null, h0.join());
2753	>	rs[0].assertInvoked();
2754	>	} catch (CompletionException ok) {
2755	>	checkCompletedWithWrappedException(h0, ex);
2756	>	rs[0].assertNotInvoked();
2757	>	}
2758	>	try {
2759	>	assertEquals(null, h1.join());
2760	>	rs[1].assertInvoked();
2761	>	} catch (CompletionException ok) {
2762	>	checkCompletedWithWrappedException(h1, ex);
2763	>	rs[1].assertNotInvoked();
2764	>	}
2765	>	try {
2766	>	assertEquals(null, h2.join());
2767	>	rs[2].assertInvoked();
2768	>	} catch (CompletionException ok) {
2769	>	checkCompletedWithWrappedException(h2, ex);
2770	>	rs[2].assertNotInvoked();
2771	>	}
2772	>	try {
2773	>	assertEquals(null, h3.join());
2774	>	rs[3].assertInvoked();
2775	>	} catch (CompletionException ok) {
2776	>	checkCompletedWithWrappedException(h3, ex);
2777	>	rs[3].assertNotInvoked();
2778	>	}
2779
2780	<	f = new CompletableFuture<>();
2781	<	f2 = new CompletableFuture<>();
2782	<	assertTrue(f2.cancel(true));
2750	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	checkCompletedWithWrappedCancellationException(g);
2752	<	}
2780	>	checkCompletedNormally(f, v1);
2781	>	checkCompletedExceptionally(g, ex);
2782	>	}}
2783
2784		/**
2785	<	* acceptEitherAsync result completes normally after normal
2756	<	* completion of sources
2785	>	* runAfterEither result completes exceptionally if either source cancelled
2786		*/
2787	<	public void testAcceptEitherAsyncE() {
2788	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2789	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2790	<	IncAction r = new IncAction();
2791	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2792	<	f.complete(one);
2793	<	checkCompletedNormally(g, null);
2794	<	assertEquals(r.value, 2);
2795	<
2767	<	r = new IncAction();
2768	<	f = new CompletableFuture<>();
2769	<	f.complete(one);
2770	<	f2 = new CompletableFuture<>();
2771	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2772	<	checkCompletedNormally(g, null);
2773	<	assertEquals(r.value, 2);
2774	<	}
2787	>	public void testRunAfterEither_sourceCancelled() {
2788	>	for (ExecutionMode m : ExecutionMode.values())
2789	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2790	>	for (Integer v1 : new Integer[] { 1, null })
2791	>	{
2792	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2793	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2794	>	final Noop[] rs = new Noop[6];
2795	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2796
2797	<	/**
2798	<	* acceptEitherAsync result completes exceptionally after exceptional
2799	<	* completion of source
2800	<	*/
2801	<	public void testAcceptEitherAsync2E() {
2802	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2803	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2804	<	IncAction r = new IncAction();
2805	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2806	<	f.completeExceptionally(new CFException());
2807	<	checkCompletedWithWrappedCFException(g);
2797	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2798	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2799	>	checkIncomplete(h0);
2800	>	checkIncomplete(h1);
2801	>	rs[0].assertNotInvoked();
2802	>	rs[1].assertNotInvoked();
2803	>	f.cancel(mayInterruptIfRunning);
2804	>	checkCompletedWithWrappedCancellationException(h0);
2805	>	checkCompletedWithWrappedCancellationException(h1);
2806	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2807	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2808	>	checkCompletedWithWrappedCancellationException(h2);
2809	>	checkCompletedWithWrappedCancellationException(h3);
2810	>
2811	>	assertTrue(g.complete(v1));
2812	>
2813	>	// unspecified behavior - both source completions available
2814	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2815	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2816	>	try {
2817	>	assertNull(h4.join());
2818	>	rs[4].assertInvoked();
2819	>	} catch (CompletionException ok) {
2820	>	checkCompletedWithWrappedCancellationException(h4);
2821	>	rs[4].assertNotInvoked();
2822	>	}
2823	>	try {
2824	>	assertNull(h5.join());
2825	>	rs[5].assertInvoked();
2826	>	} catch (CompletionException ok) {
2827	>	checkCompletedWithWrappedCancellationException(h5);
2828	>	rs[5].assertNotInvoked();
2829	>	}
2830
2831	<	r = new IncAction();
2832	<	f = new CompletableFuture<>();
2833	<	f2 = new CompletableFuture<>();
2834	<	f2.completeExceptionally(new CFException());
2835	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2836	<	f.complete(one);
2837	<	checkCompletedWithWrappedCFException(g);
2838	<	}
2831	>	checkCancelled(f);
2832	>	checkCompletedNormally(g, v1);
2833	>	checkCompletedWithWrappedCancellationException(h0);
2834	>	checkCompletedWithWrappedCancellationException(h1);
2835	>	checkCompletedWithWrappedCancellationException(h2);
2836	>	checkCompletedWithWrappedCancellationException(h3);
2837	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2838	>	}}
2839
2840		/**
2841	<	* acceptEitherAsync result completes exceptionally if action does
2841	>	* runAfterEither result completes exceptionally if action does
2842		*/
2843	<	public void testAcceptEitherAsync3E() {
2844	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2845	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2846	<	FailingConsumer r = new FailingConsumer();
2847	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2848	<	f.complete(one);
2849	<	checkCompletedWithWrappedCFException(g);
2850	<	}
2843	>	public void testRunAfterEither_actionFailed() {
2844	>	for (ExecutionMode m : ExecutionMode.values())
2845	>	for (Integer v1 : new Integer[] { 1, null })
2846	>	for (Integer v2 : new Integer[] { 2, null })
2847	>	{
2848	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2849	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2850	>	final FailingRunnable[] rs = new FailingRunnable[6];
2851	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2852
2853	<	/**
2854	<	* acceptEitherAsync result completes exceptionally if either
2855	<	* source cancelled
2856	<	*/
2857	<	public void testAcceptEitherAsync4E() {
2858	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2859	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2860	<	IncAction r = new IncAction();
2861	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2862	<	assertTrue(f.cancel(true));
2863	<	checkCompletedWithWrappedCancellationException(g);
2853	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2854	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2855	>	assertTrue(f.complete(v1));
2856	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2857	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2858	>	checkCompletedWithWrappedCFException(h0);
2859	>	checkCompletedWithWrappedCFException(h1);
2860	>	checkCompletedWithWrappedCFException(h2);
2861	>	checkCompletedWithWrappedCFException(h3);
2862	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2863	>	assertTrue(g.complete(v2));
2864	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2865	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2866	>	checkCompletedWithWrappedCFException(h4);
2867	>	checkCompletedWithWrappedCFException(h5);
2868
2869	<	r = new IncAction();
2870	<	f = new CompletableFuture<>();
2871	<	f2 = new CompletableFuture<>();
2872	<	assertTrue(f2.cancel(true));
2825	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	}
2869	>	checkCompletedNormally(f, v1);
2870	>	checkCompletedNormally(g, v2);
2871	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2872	>	}}
2873
2874		/**
2875	<	* runAfterEitherAsync result completes normally after normal
2831	<	* completion of sources
2875	>	* thenCompose result completes normally after normal completion of source
2876		*/
2877	<	public void testRunAfterEitherAsyncE() {
2878	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2879	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2880	<	Noop r = new Noop();
2881	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2882	<	f.complete(one);
2883	<	checkCompletedNormally(g, null);
2884	<	assertTrue(r.ran);
2877	>	public void testThenCompose_normalCompletion() {
2878	>	for (ExecutionMode m : ExecutionMode.values())
2879	>	for (boolean createIncomplete : new boolean[] { true, false })
2880	>	for (Integer v1 : new Integer[] { 1, null })
2881	>	{
2882	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2883	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2884	>	if (!createIncomplete) assertTrue(f.complete(v1));
2885	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2886	>	if (createIncomplete) assertTrue(f.complete(v1));
2887
2888	<	r = new Noop();
2889	<	f = new CompletableFuture<>();
2890	<	f.complete(one);
2891	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
2849	<	}
2888	>	checkCompletedNormally(g, inc(v1));
2889	>	checkCompletedNormally(f, v1);
2890	>	r.assertValue(v1);
2891	>	}}
2892
2893		/**
2894	<	* runAfterEitherAsync result completes exceptionally after exceptional
2894	>	* thenCompose result completes exceptionally after exceptional
2895		* completion of source
2896		*/
2897	<	public void testRunAfterEitherAsync2E() {
2898	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2899	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2900	<	Noop r = new Noop();
2901	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2902	<	f.completeExceptionally(new CFException());
2903	<	checkCompletedWithWrappedCFException(g);
2904	<
2905	<	r = new Noop();
2906	<	f = new CompletableFuture<>();
2907	<	f2 = new CompletableFuture<>();
2908	<	f2.completeExceptionally(new CFException());
2909	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2910	<	f.complete(one);
2911	<	checkCompletedWithWrappedCFException(g);
2870	<	}
2897	>	public void testThenCompose_exceptionalCompletion() {
2898	>	for (ExecutionMode m : ExecutionMode.values())
2899	>	for (boolean createIncomplete : new boolean[] { true, false })
2900	>	{
2901	>	final CFException ex = new CFException();
2902	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2903	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2904	>	if (!createIncomplete) f.completeExceptionally(ex);
2905	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2906	>	if (createIncomplete) f.completeExceptionally(ex);
2907	>
2908	>	checkCompletedWithWrappedException(g, ex);
2909	>	checkCompletedExceptionally(f, ex);
2910	>	r.assertNotInvoked();
2911	>	}}
2912
2913		/**
2914	<	* runAfterEitherAsync result completes exceptionally if action does
2914	>	* thenCompose result completes exceptionally if action does
2915		*/
2916	<	public void testRunAfterEitherAsync3E() {
2917	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2918	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2919	<	FailingNoop r = new FailingNoop();
2920	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2921	<	f.complete(one);
2916	>	public void testThenCompose_actionFailed() {
2917	>	for (ExecutionMode m : ExecutionMode.values())
2918	>	for (boolean createIncomplete : new boolean[] { true, false })
2919	>	for (Integer v1 : new Integer[] { 1, null })
2920	>	{
2921	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2922	>	final FailingCompletableFutureFunction r
2923	>	= new FailingCompletableFutureFunction(m);
2924	>	if (!createIncomplete) assertTrue(f.complete(v1));
2925	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2926	>	if (createIncomplete) assertTrue(f.complete(v1));
2927	>
2928		checkCompletedWithWrappedCFException(g);
2929	<	}
2929	>	checkCompletedNormally(f, v1);
2930	>	}}
2931
2932		/**
2933	<	* runAfterEitherAsync result completes exceptionally if either
2886	<	* source cancelled
2933	>	* thenCompose result completes exceptionally if source cancelled
2934		*/
2935	<	public void testRunAfterEitherAsync4E() {
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	<	assertTrue(f.cancel(true));
2941	<	checkCompletedWithWrappedCancellationException(g);
2935	>	public void testThenCompose_sourceCancelled() {
2936	>	for (ExecutionMode m : ExecutionMode.values())
2937	>	for (boolean createIncomplete : new boolean[] { true, false })
2938	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2939	>	{
2940	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2941	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2942	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2943	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2944	>	if (createIncomplete) {
2945	>	checkIncomplete(g);
2946	>	assertTrue(f.cancel(mayInterruptIfRunning));
2947	>	}
2948
2896	–	r = new Noop();
2897	–	f = new CompletableFuture<>();
2898	–	f2 = new CompletableFuture<>();
2899	–	assertTrue(f2.cancel(true));
2900	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2949		checkCompletedWithWrappedCancellationException(g);
2950	<	}
2951	<
2904	<	/**
2905	<	* thenComposeAsync result completes normally after normal
2906	<	* completion of source
2907	<	*/
2908	<	public void testThenComposeAsyncE() {
2909	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2910	<	CompletableFutureInc r = new CompletableFutureInc();
2911	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2912	<	f.complete(one);
2913	<	checkCompletedNormally(g, two);
2914	<	}
2915	<
2916	<	/**
2917	<	* thenComposeAsync result completes exceptionally after
2918	<	* exceptional completion of source
2919	<	*/
2920	<	public void testThenComposeAsync2E() {
2921	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2922	<	CompletableFutureInc r = new CompletableFutureInc();
2923	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2924	<	f.completeExceptionally(new CFException());
2925	<	checkCompletedWithWrappedCFException(g);
2926	<	}
2950	>	checkCancelled(f);
2951	>	}}
2952
2953		/**
2954	<	* thenComposeAsync result completes exceptionally if action does
2954	>	* thenCompose result completes exceptionally if the result of the action does
2955		*/
2956	<	public void testThenComposeAsync3E() {
2957	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2958	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2959	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2960	<	f.complete(one);
2961	<	checkCompletedWithWrappedCFException(g);
2962	<	}
2956	>	public void testThenCompose_actionReturnsFailingFuture() {
2957	>	for (ExecutionMode m : ExecutionMode.values())
2958	>	for (int order = 0; order < 6; order++)
2959	>	for (Integer v1 : new Integer[] { 1, null })
2960	>	{
2961	>	final CFException ex = new CFException();
2962	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2963	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2964	>	final CompletableFuture<Integer> h;
2965	>	// Test all permutations of orders
2966	>	switch (order) {
2967	>	case 0:
2968	>	assertTrue(f.complete(v1));
2969	>	assertTrue(g.completeExceptionally(ex));
2970	>	h = m.thenCompose(f, (x -> g));
2971	>	break;
2972	>	case 1:
2973	>	assertTrue(f.complete(v1));
2974	>	h = m.thenCompose(f, (x -> g));
2975	>	assertTrue(g.completeExceptionally(ex));
2976	>	break;
2977	>	case 2:
2978	>	assertTrue(g.completeExceptionally(ex));
2979	>	assertTrue(f.complete(v1));
2980	>	h = m.thenCompose(f, (x -> g));
2981	>	break;
2982	>	case 3:
2983	>	assertTrue(g.completeExceptionally(ex));
2984	>	h = m.thenCompose(f, (x -> g));
2985	>	assertTrue(f.complete(v1));
2986	>	break;
2987	>	case 4:
2988	>	h = m.thenCompose(f, (x -> g));
2989	>	assertTrue(f.complete(v1));
2990	>	assertTrue(g.completeExceptionally(ex));
2991	>	break;
2992	>	case 5:
2993	>	h = m.thenCompose(f, (x -> g));
2994	>	assertTrue(f.complete(v1));
2995	>	assertTrue(g.completeExceptionally(ex));
2996	>	break;
2997	>	default: throw new AssertionError();
2998	>	}
2999
3000	<	/**
3001	<	* thenComposeAsync result completes exceptionally if source cancelled
3002	<	*/
3003	<	public void testThenComposeAsync4E() {
2943	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2944	<	CompletableFutureInc r = new CompletableFutureInc();
2945	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2946	<	assertTrue(f.cancel(true));
2947	<	checkCompletedWithWrappedCancellationException(g);
2948	<	}
3000	>	checkCompletedExceptionally(g, ex);
3001	>	checkCompletedWithWrappedException(h, ex);
3002	>	checkCompletedNormally(f, v1);
3003	>	}}
3004
3005		// other static methods
3006
#	Line 2963 | Line 3018 | public class CompletableFutureTest exten
3018		* when all components complete normally
3019		*/
3020		public void testAllOf_normal() throws Exception {
3021	<	for (int k = 1; k < 20; ++k) {
3022	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3023	<	for (int i = 0; i < k; ++i)
3021	>	for (int k = 1; k < 10; k++) {
3022	>	CompletableFuture<Integer>[] fs
3023	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3024	>	for (int i = 0; i < k; i++)
3025		fs[i] = new CompletableFuture<>();
3026		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3027	<	for (int i = 0; i < k; ++i) {
3027	>	for (int i = 0; i < k; i++) {
3028		checkIncomplete(f);
3029		checkIncomplete(CompletableFuture.allOf(fs));
3030		fs[i].complete(one);
#	Line 2978 | Line 3034 | public class CompletableFutureTest exten
3034		}
3035		}
3036
3037	+	public void testAllOf_backwards() throws Exception {
3038	+	for (int k = 1; k < 10; k++) {
3039	+	CompletableFuture<Integer>[] fs
3040	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3041	+	for (int i = 0; i < k; i++)
3042	+	fs[i] = new CompletableFuture<>();
3043	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3044	+	for (int i = k - 1; i >= 0; i--) {
3045	+	checkIncomplete(f);
3046	+	checkIncomplete(CompletableFuture.allOf(fs));
3047	+	fs[i].complete(one);
3048	+	}
3049	+	checkCompletedNormally(f, null);
3050	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3051	+	}
3052	+	}
3053	+
3054	+	public void testAllOf_exceptional() throws Exception {
3055	+	for (int k = 1; k < 10; k++) {
3056	+	CompletableFuture<Integer>[] fs
3057	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3058	+	CFException ex = new CFException();
3059	+	for (int i = 0; i < k; i++)
3060	+	fs[i] = new CompletableFuture<>();
3061	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3062	+	for (int i = 0; i < k; i++) {
3063	+	checkIncomplete(f);
3064	+	checkIncomplete(CompletableFuture.allOf(fs));
3065	+	if (i != k / 2) {
3066	+	fs[i].complete(i);
3067	+	checkCompletedNormally(fs[i], i);
3068	+	} else {
3069	+	fs[i].completeExceptionally(ex);
3070	+	checkCompletedExceptionally(fs[i], ex);
3071	+	}
3072	+	}
3073	+	checkCompletedWithWrappedException(f, ex);
3074	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3075	+	}
3076	+	}
3077	+
3078		/**
3079		* anyOf(no component futures) returns an incomplete future
3080		*/
3081		public void testAnyOf_empty() throws Exception {
3082	+	for (Integer v1 : new Integer[] { 1, null })
3083	+	{
3084		CompletableFuture<Object> f = CompletableFuture.anyOf();
3085		checkIncomplete(f);
3086	<	}
3086	>
3087	>	f.complete(v1);
3088	>	checkCompletedNormally(f, v1);
3089	>	}}
3090
3091		/**
3092		* anyOf returns a future completed normally with a value when
3093		* a component future does
3094		*/
3095		public void testAnyOf_normal() throws Exception {
3096	<	for (int k = 0; k < 10; ++k) {
3096	>	for (int k = 0; k < 10; k++) {
3097		CompletableFuture[] fs = new CompletableFuture[k];
3098	<	for (int i = 0; i < k; ++i)
3098	>	for (int i = 0; i < k; i++)
3099		fs[i] = new CompletableFuture<>();
3100		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3101		checkIncomplete(f);
3102	<	for (int i = 0; i < k; ++i) {
3103	<	fs[i].complete(one);
3104	<	checkCompletedNormally(f, one);
3105	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3102	>	for (int i = 0; i < k; i++) {
3103	>	fs[i].complete(i);
3104	>	checkCompletedNormally(f, 0);
3105	>	int x = (int) CompletableFuture.anyOf(fs).join();
3106	>	assertTrue(0 <= x && x <= i);
3107	>	}
3108	>	}
3109	>	}
3110	>	public void testAnyOf_normal_backwards() throws Exception {
3111	>	for (int k = 0; k < 10; k++) {
3112	>	CompletableFuture[] fs = new CompletableFuture[k];
3113	>	for (int i = 0; i < k; i++)
3114	>	fs[i] = new CompletableFuture<>();
3115	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3116	>	checkIncomplete(f);
3117	>	for (int i = k - 1; i >= 0; i--) {
3118	>	fs[i].complete(i);
3119	>	checkCompletedNormally(f, k - 1);
3120	>	int x = (int) CompletableFuture.anyOf(fs).join();
3121	>	assertTrue(i <= x && x <= k - 1);
3122		}
3123		}
3124		}
#	Line 3009 | Line 3127 | public class CompletableFutureTest exten
3127		* anyOf result completes exceptionally when any component does.
3128		*/
3129		public void testAnyOf_exceptional() throws Exception {
3130	<	for (int k = 0; k < 10; ++k) {
3130	>	for (int k = 0; k < 10; k++) {
3131	>	CompletableFuture[] fs = new CompletableFuture[k];
3132	>	CFException[] exs = new CFException[k];
3133	>	for (int i = 0; i < k; i++) {
3134	>	fs[i] = new CompletableFuture<>();
3135	>	exs[i] = new CFException();
3136	>	}
3137	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3138	>	checkIncomplete(f);
3139	>	for (int i = 0; i < k; i++) {
3140	>	fs[i].completeExceptionally(exs[i]);
3141	>	checkCompletedWithWrappedException(f, exs[0]);
3142	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3143	>	}
3144	>	}
3145	>	}
3146	>
3147	>	public void testAnyOf_exceptional_backwards() throws Exception {
3148	>	for (int k = 0; k < 10; k++) {
3149		CompletableFuture[] fs = new CompletableFuture[k];
3150	<	for (int i = 0; i < k; ++i)
3150	>	CFException[] exs = new CFException[k];
3151	>	for (int i = 0; i < k; i++) {
3152		fs[i] = new CompletableFuture<>();
3153	+	exs[i] = new CFException();
3154	+	}
3155		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3156		checkIncomplete(f);
3157	<	for (int i = 0; i < k; ++i) {
3158	<	fs[i].completeExceptionally(new CFException());
3159	<	checkCompletedWithWrappedCFException(f);
3157	>	for (int i = k - 1; i >= 0; i--) {
3158	>	fs[i].completeExceptionally(exs[i]);
3159	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3160		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3161		}
3162		}
#	Line 3030 | Line 3169 | public class CompletableFutureTest exten
3169		CompletableFuture<Integer> f = new CompletableFuture<>();
3170		CompletableFuture<Integer> g = new CompletableFuture<>();
3171		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3033	–	CompletableFuture<?> h;
3172		ThreadExecutor exec = new ThreadExecutor();
3173
3174		Runnable[] throwingActions = {
3175		() -> CompletableFuture.supplyAsync(null),
3176		() -> CompletableFuture.supplyAsync(null, exec),
3177	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3177	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3178
3179		() -> CompletableFuture.runAsync(null),
3180		() -> CompletableFuture.runAsync(null, exec),
#	Line 3109 | Line 3247 | public class CompletableFutureTest exten
3247
3248		() -> f.thenCompose(null),
3249		() -> f.thenComposeAsync(null),
3250	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3250	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3251		() -> f.thenComposeAsync(null, exec),
3252
3253		() -> f.exceptionally(null),
#	Line 3127 | Line 3265 | public class CompletableFutureTest exten
3265		() -> CompletableFuture.anyOf(null, f),
3266
3267		() -> f.obtrudeException(null),
3268	+
3269	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3270	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3271	+	() -> CompletableFuture.delayedExecutor(1L, null),
3272	+
3273	+	() -> f.orTimeout(1L, null),
3274	+	() -> f.completeOnTimeout(42, 1L, null),
3275	+
3276	+	() -> CompletableFuture.failedFuture(null),
3277	+	() -> CompletableFuture.failedStage(null),
3278		};
3279
3280		assertThrows(NullPointerException.class, throwingActions);
#	Line 3141 | Line 3289 | public class CompletableFutureTest exten
3289		assertSame(f, f.toCompletableFuture());
3290		}
3291
3292	+	// jdk9
3293	+
3294		/**
3295	<	* whenComplete action executes on normal completion, propagating
3146	<	* source result.
3295	>	* newIncompleteFuture returns an incomplete CompletableFuture
3296		*/
3297	<	public void testWhenComplete1() {
3298	<	final AtomicInteger a = new AtomicInteger();
3297	>	public void testNewIncompleteFuture() {
3298	>	for (Integer v1 : new Integer[] { 1, null })
3299	>	{
3300		CompletableFuture<Integer> f = new CompletableFuture<>();
3301	<	CompletableFuture<Integer> g =
3302	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3303	<	f.complete(three);
3304	<	checkCompletedNormally(f, three);
3305	<	checkCompletedNormally(g, three);
3306	<	assertEquals(a.get(), 1);
3301	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3302	>	checkIncomplete(f);
3303	>	checkIncomplete(g);
3304	>	f.complete(v1);
3305	>	checkCompletedNormally(f, v1);
3306	>	checkIncomplete(g);
3307	>	g.complete(v1);
3308	>	checkCompletedNormally(g, v1);
3309	>	assertSame(g.getClass(), CompletableFuture.class);
3310	>	}}
3311	>
3312	>	/**
3313	>	* completedStage returns a completed CompletionStage
3314	>	*/
3315	>	public void testCompletedStage() {
3316	>	AtomicInteger x = new AtomicInteger(0);
3317	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3318	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3319	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3320	>	assertEquals(x.get(), 1);
3321	>	assertNull(r.get());
3322		}
3323
3324		/**
3325	<	* whenComplete action executes on exceptional completion, propagating
3326	<	* source result.
3325	>	* defaultExecutor by default returns the commonPool if
3326	>	* it supports more than one thread.
3327		*/
3328	<	public void testWhenComplete2() {
3164	<	final AtomicInteger a = new AtomicInteger();
3328	>	public void testDefaultExecutor() {
3329		CompletableFuture<Integer> f = new CompletableFuture<>();
3330	<	CompletableFuture<Integer> g =
3331	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3332	<	f.completeExceptionally(new CFException());
3333	<	assertTrue(f.isCompletedExceptionally());
3334	<	assertTrue(g.isCompletedExceptionally());
3335	<	assertEquals(a.get(), 1);
3330	>	Executor e = f.defaultExecutor();
3331	>	Executor c = ForkJoinPool.commonPool();
3332	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3333	>	assertSame(e, c);
3334	>	else
3335	>	assertNotSame(e, c);
3336		}
3337
3338		/**
3339	<	* If a whenComplete action throws an exception when triggered by
3340	<	* a normal completion, it completes exceptionally
3339	>	* failedFuture returns a CompletableFuture completed
3340	>	* exceptionally with the given Exception
3341	>	*/
3342	>	public void testFailedFuture() {
3343	>	CFException ex = new CFException();
3344	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3345	>	checkCompletedExceptionally(f, ex);
3346	>	}
3347	>
3348	>	/**
3349	>	* failedFuture(null) throws NPE
3350	>	*/
3351	>	public void testFailedFuture_null() {
3352	>	try {
3353	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3354	>	shouldThrow();
3355	>	} catch (NullPointerException success) {}
3356	>	}
3357	>
3358	>	/**
3359	>	* copy returns a CompletableFuture that is completed normally,
3360	>	* with the same value, when source is.
3361		*/
3362	<	public void testWhenComplete3() {
3362	>	public void testCopy() {
3363		CompletableFuture<Integer> f = new CompletableFuture<>();
3364	<	CompletableFuture<Integer> g =
3365	<	f.whenComplete((Integer x, Throwable t) ->
3366	<	{ throw new CFException(); } );
3367	<	f.complete(three);
3368	<	checkCompletedNormally(f, three);
3369	<	assertTrue(g.isCompletedExceptionally());
3186	<	checkCompletedWithWrappedCFException(g);
3364	>	CompletableFuture<Integer> g = f.copy();
3365	>	checkIncomplete(f);
3366	>	checkIncomplete(g);
3367	>	f.complete(1);
3368	>	checkCompletedNormally(f, 1);
3369	>	checkCompletedNormally(g, 1);
3370		}
3371
3372		/**
3373	<	* whenCompleteAsync action executes on normal completion, propagating
3374	<	* source result.
3373	>	* copy returns a CompletableFuture that is completed exceptionally
3374	>	* when source is.
3375		*/
3376	<	public void testWhenCompleteAsync1() {
3194	<	final AtomicInteger a = new AtomicInteger();
3376	>	public void testCopy2() {
3377		CompletableFuture<Integer> f = new CompletableFuture<>();
3378	<	CompletableFuture<Integer> g =
3379	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3380	<	f.complete(three);
3381	<	checkCompletedNormally(f, three);
3382	<	checkCompletedNormally(g, three);
3383	<	assertEquals(a.get(), 1);
3378	>	CompletableFuture<Integer> g = f.copy();
3379	>	checkIncomplete(f);
3380	>	checkIncomplete(g);
3381	>	CFException ex = new CFException();
3382	>	f.completeExceptionally(ex);
3383	>	checkCompletedExceptionally(f, ex);
3384	>	checkCompletedWithWrappedException(g, ex);
3385		}
3386
3387		/**
3388	<	* whenCompleteAsync action executes on exceptional completion, propagating
3389	<	* source result.
3388	>	* minimalCompletionStage returns a CompletableFuture that is
3389	>	* completed normally, with the same value, when source is.
3390		*/
3391	<	public void testWhenCompleteAsync2() {
3209	<	final AtomicInteger a = new AtomicInteger();
3391	>	public void testMinimalCompletionStage() {
3392		CompletableFuture<Integer> f = new CompletableFuture<>();
3393	<	CompletableFuture<Integer> g =
3394	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3395	<	f.completeExceptionally(new CFException());
3396	<	checkCompletedWithWrappedCFException(f);
3397	<	checkCompletedWithWrappedCFException(g);
3393	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3394	>	AtomicInteger x = new AtomicInteger(0);
3395	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3396	>	checkIncomplete(f);
3397	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3398	>	f.complete(1);
3399	>	checkCompletedNormally(f, 1);
3400	>	assertEquals(x.get(), 1);
3401	>	assertNull(r.get());
3402		}
3403
3404		/**
3405	<	* If a whenCompleteAsync action throws an exception when
3406	<	* triggered by a normal completion, it completes exceptionally
3405	>	* minimalCompletionStage returns a CompletableFuture that is
3406	>	* completed exceptionally when source is.
3407		*/
3408	<	public void testWhenCompleteAsync3() {
3408	>	public void testMinimalCompletionStage2() {
3409		CompletableFuture<Integer> f = new CompletableFuture<>();
3410	<	CompletableFuture<Integer> g =
3411	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3412	<	{ throw new CFException(); } );
3413	<	f.complete(three);
3414	<	checkCompletedNormally(f, three);
3415	<	checkCompletedWithWrappedCFException(g);
3410	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3411	>	AtomicInteger x = new AtomicInteger(0);
3412	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3413	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3414	>	checkIncomplete(f);
3415	>	CFException ex = new CFException();
3416	>	f.completeExceptionally(ex);
3417	>	checkCompletedExceptionally(f, ex);
3418	>	assertEquals(x.get(), 0);
3419	>	assertEquals(r.get().getCause(), ex);
3420		}
3421
3422		/**
3423	<	* whenCompleteAsync action executes on normal completion, propagating
3424	<	* source result.
3423	>	* failedStage returns a CompletionStage completed
3424	>	* exceptionally with the given Exception
3425		*/
3426	<	public void testWhenCompleteAsync1e() {
3427	<	final AtomicInteger a = new AtomicInteger();
3428	<	ThreadExecutor exec = new ThreadExecutor();
3426	>	public void testFailedStage() {
3427	>	CFException ex = new CFException();
3428	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3429	>	AtomicInteger x = new AtomicInteger(0);
3430	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3431	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3432	>	assertEquals(x.get(), 0);
3433	>	assertEquals(r.get(), ex);
3434	>	}
3435	>
3436	>	/**
3437	>	* completeAsync completes with value of given supplier
3438	>	*/
3439	>	public void testCompleteAsync() {
3440	>	for (Integer v1 : new Integer[] { 1, null })
3441	>	{
3442		CompletableFuture<Integer> f = new CompletableFuture<>();
3443	<	CompletableFuture<Integer> g =
3444	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3445	<	exec);
3446	<	f.complete(three);
3447	<	checkCompletedNormally(f, three);
3448	<	checkCompletedNormally(g, three);
3449	<	assertEquals(a.get(), 1);
3443	>	f.completeAsync(() -> v1);
3444	>	f.join();
3445	>	checkCompletedNormally(f, v1);
3446	>	}}
3447	>
3448	>	/**
3449	>	* completeAsync completes exceptionally if given supplier throws
3450	>	*/
3451	>	public void testCompleteAsync2() {
3452	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3453	>	CFException ex = new CFException();
3454	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3455	>	try {
3456	>	f.join();
3457	>	shouldThrow();
3458	>	} catch (CompletionException success) {}
3459	>	checkCompletedWithWrappedException(f, ex);
3460		}
3461
3462		/**
3463	<	* whenCompleteAsync action executes on exceptional completion, propagating
3251	<	* source result.
3463	>	* completeAsync with given executor completes with value of given supplier
3464		*/
3465	<	public void testWhenCompleteAsync2e() {
3466	<	final AtomicInteger a = new AtomicInteger();
3467	<	ThreadExecutor exec = new ThreadExecutor();
3465	>	public void testCompleteAsync3() {
3466	>	for (Integer v1 : new Integer[] { 1, null })
3467	>	{
3468		CompletableFuture<Integer> f = new CompletableFuture<>();
3469	<	CompletableFuture<Integer> g =
3470	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3471	<	exec);
3472	<	f.completeExceptionally(new CFException());
3473	<	checkCompletedWithWrappedCFException(f);
3474	<	checkCompletedWithWrappedCFException(g);
3469	>	ThreadExecutor executor = new ThreadExecutor();
3470	>	f.completeAsync(() -> v1, executor);
3471	>	assertSame(v1, f.join());
3472	>	checkCompletedNormally(f, v1);
3473	>	assertEquals(1, executor.count.get());
3474	>	}}
3475	>
3476	>	/**
3477	>	* completeAsync with given executor completes exceptionally if
3478	>	* given supplier throws
3479	>	*/
3480	>	public void testCompleteAsync4() {
3481	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3482	>	CFException ex = new CFException();
3483	>	ThreadExecutor executor = new ThreadExecutor();
3484	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3485	>	try {
3486	>	f.join();
3487	>	shouldThrow();
3488	>	} catch (CompletionException success) {}
3489	>	checkCompletedWithWrappedException(f, ex);
3490	>	assertEquals(1, executor.count.get());
3491		}
3492
3493		/**
3494	<	* If a whenCompleteAsync action throws an exception when triggered
3267	<	* by a normal completion, it completes exceptionally
3494	>	* orTimeout completes with TimeoutException if not complete
3495		*/
3496	<	public void testWhenCompleteAsync3e() {
3497	<	ThreadExecutor exec = new ThreadExecutor();
3496	>	public void testOrTimeout_timesOut() {
3497	>	long timeoutMillis = timeoutMillis();
3498		CompletableFuture<Integer> f = new CompletableFuture<>();
3499	<	CompletableFuture<Integer> g =
3500	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3501	<	{ throw new CFException(); },
3502	<	exec);
3276	<	f.complete(three);
3277	<	checkCompletedNormally(f, three);
3278	<	checkCompletedWithWrappedCFException(g);
3499	>	long startTime = System.nanoTime();
3500	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3501	>	checkCompletedWithTimeoutException(f);
3502	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3503		}
3504
3505		/**
3506	<	* handleAsync action completes normally with function value on
3283	<	* either normal or exceptional completion of source
3506	>	* orTimeout completes normally if completed before timeout
3507		*/
3508	<	public void testHandleAsync() {
3509	<	CompletableFuture<Integer> f, g;
3510	<	IntegerHandler r;
3508	>	public void testOrTimeout_completed() {
3509	>	for (Integer v1 : new Integer[] { 1, null })
3510	>	{
3511	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3512	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3513	>	long startTime = System.nanoTime();
3514	>	f.complete(v1);
3515	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3516	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3517	>	g.complete(v1);
3518	>	checkCompletedNormally(f, v1);
3519	>	checkCompletedNormally(g, v1);
3520	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3521	>	}}
3522
3523	<	f = new CompletableFuture<>();
3524	<	g = f.handleAsync(r = new IntegerHandler());
3525	<	assertFalse(r.ran);
3526	<	f.completeExceptionally(new CFException());
3527	<	checkCompletedWithWrappedCFException(f);
3528	<	checkCompletedNormally(g, three);
3529	<	assertTrue(r.ran);
3523	>	/**
3524	>	* completeOnTimeout completes with given value if not complete
3525	>	*/
3526	>	public void testCompleteOnTimeout_timesOut() {
3527	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3528	>	() -> testCompleteOnTimeout_timesOut(null));
3529	>	}
3530
3531	<	f = new CompletableFuture<>();
3532	<	g = f.handleAsync(r = new IntegerHandler());
3533	<	assertFalse(r.ran);
3534	<	f.completeExceptionally(new CFException());
3535	<	checkCompletedWithWrappedCFException(f);
3536	<	checkCompletedNormally(g, three);
3537	<	assertTrue(r.ran);
3531	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3532	>	long timeoutMillis = timeoutMillis();
3533	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3534	>	long startTime = System.nanoTime();
3535	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3536	>	assertSame(v, f.join());
3537	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3538	>	f.complete(99);         // should have no effect
3539	>	checkCompletedNormally(f, v);
3540	>	}
3541
3542	<	f = new CompletableFuture<>();
3543	<	g = f.handleAsync(r = new IntegerHandler());
3544	<	assertFalse(r.ran);
3545	<	f.complete(one);
3546	<	checkCompletedNormally(f, one);
3547	<	checkCompletedNormally(g, two);
3548	<	assertTrue(r.ran);
3542	>	/**
3543	>	* completeOnTimeout has no effect if completed within timeout
3544	>	*/
3545	>	public void testCompleteOnTimeout_completed() {
3546	>	for (Integer v1 : new Integer[] { 1, null })
3547	>	{
3548	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3549	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3550	>	long startTime = System.nanoTime();
3551	>	f.complete(v1);
3552	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3553	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3554	>	g.complete(v1);
3555	>	checkCompletedNormally(f, v1);
3556	>	checkCompletedNormally(g, v1);
3557	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3558	>	}}
3559
3560	<	f = new CompletableFuture<>();
3561	<	g = f.handleAsync(r = new IntegerHandler());
3562	<	assertFalse(r.ran);
3563	<	f.complete(one);
3564	<	checkCompletedNormally(f, one);
3565	<	checkCompletedNormally(g, two);
3566	<	assertTrue(r.ran);
3560	>	/**
3561	>	* delayedExecutor returns an executor that delays submission
3562	>	*/
3563	>	public void testDelayedExecutor() {
3564	>	testInParallel(() -> testDelayedExecutor(null, null),
3565	>	() -> testDelayedExecutor(null, 1),
3566	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3567	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3568		}
3569
3570		/**
3571	<	* handleAsync action with Executor completes normally with
3324	<	* function value on either normal or exceptional completion of
3325	<	* source
3571	>	* delayedExecutor returns an executor that delays submission
3572		*/
3573	<	public void testHandleAsync2() {
3574	<	CompletableFuture<Integer> f, g;
3575	<	ThreadExecutor exec = new ThreadExecutor();
3576	<	IntegerHandler r;
3573	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3574	>	long timeoutMillis = timeoutMillis();
3575	>	// Use an "unreasonably long" long timeout to catch lingering threads
3576	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3577	>	final Executor delayer, longDelayer;
3578	>	if (executor == null) {
3579	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3580	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3581	>	} else {
3582	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3583	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3584	>	}
3585	>	long startTime = System.nanoTime();
3586	>	CompletableFuture<Integer> f =
3587	>	CompletableFuture.supplyAsync(() -> v, delayer);
3588	>	CompletableFuture<Integer> g =
3589	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3590
3591	<	f = new CompletableFuture<>();
3333	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3334	<	assertFalse(r.ran);
3335	<	f.completeExceptionally(new CFException());
3336	<	checkCompletedWithWrappedCFException(f);
3337	<	checkCompletedNormally(g, three);
3338	<	assertTrue(r.ran);
3591	>	assertNull(g.getNow(null));
3592
3593	<	f = new CompletableFuture<>();
3594	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3595	<	assertFalse(r.ran);
3596	<	f.completeExceptionally(new CFException());
3344	<	checkCompletedWithWrappedCFException(f);
3345	<	checkCompletedNormally(g, three);
3346	<	assertTrue(r.ran);
3593	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3594	>	long millisElapsed = millisElapsedSince(startTime);
3595	>	assertTrue(millisElapsed >= timeoutMillis);
3596	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3597
3598	<	f = new CompletableFuture<>();
3349	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3350	<	assertFalse(r.ran);
3351	<	f.complete(one);
3352	<	checkCompletedNormally(f, one);
3353	<	checkCompletedNormally(g, two);
3354	<	assertTrue(r.ran);
3598	>	checkCompletedNormally(f, v);
3599
3600	<	f = new CompletableFuture<>();
3601	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3358	<	assertFalse(r.ran);
3359	<	f.complete(one);
3360	<	checkCompletedNormally(f, one);
3361	<	checkCompletedNormally(g, two);
3362	<	assertTrue(r.ran);
3600	>	checkIncomplete(g);
3601	>	assertTrue(g.cancel(true));
3602		}
3603
3604	+	//--- tests of implementation details; not part of official tck ---
3605	+
3606	+	Object resultOf(CompletableFuture<?> f) {
3607	+	try {
3608	+	java.lang.reflect.Field resultField
3609	+	= CompletableFuture.class.getDeclaredField("result");
3610	+	resultField.setAccessible(true);
3611	+	return resultField.get(f);
3612	+	} catch (Throwable t) { throw new AssertionError(t); }
3613	+	}
3614	+
3615	+	public void testExceptionPropagationReusesResultObject() {
3616	+	if (!testImplementationDetails) return;
3617	+	for (ExecutionMode m : ExecutionMode.values())
3618	+	{
3619	+	final CFException ex = new CFException();
3620	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3621	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3622	+
3623	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3624	+	= new ArrayList<>();
3625	+
3626	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3627	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3628	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3629	+
3630	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3631	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3632	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3633	+
3634	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3635	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3636	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3637	+
3638	+	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3639	+
3640	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3641	+
3642	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3643	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3644	+
3645	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3646	+	fun : funs) {
3647	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3648	+	f.completeExceptionally(ex);
3649	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3650	+	checkCompletedWithWrappedException(src, ex);
3651	+	CompletableFuture<?> dep = fun.apply(src);
3652	+	checkCompletedWithWrappedException(dep, ex);
3653	+	assertSame(resultOf(src), resultOf(dep));
3654	+	}
3655	+
3656	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3657	+	fun : funs) {
3658	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3659	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3660	+	CompletableFuture<?> dep = fun.apply(src);
3661	+	f.completeExceptionally(ex);
3662	+	checkCompletedWithWrappedException(src, ex);
3663	+	checkCompletedWithWrappedException(dep, ex);
3664	+	assertSame(resultOf(src), resultOf(dep));
3665	+	}
3666	+
3667	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3668	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3669	+	fun : funs) {
3670	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3671	+	f.cancel(mayInterruptIfRunning);
3672	+	checkCancelled(f);
3673	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3674	+	checkCompletedWithWrappedCancellationException(src);
3675	+	CompletableFuture<?> dep = fun.apply(src);
3676	+	checkCompletedWithWrappedCancellationException(dep);
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	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3685	+	CompletableFuture<?> dep = fun.apply(src);
3686	+	f.cancel(mayInterruptIfRunning);
3687	+	checkCancelled(f);
3688	+	checkCompletedWithWrappedCancellationException(src);
3689	+	checkCompletedWithWrappedCancellationException(dep);
3690	+	assertSame(resultOf(src), resultOf(dep));
3691	+	}
3692	+	}}
3693	+
3694		}

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