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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.6 by jsr166, Fri Mar 22 16:10:19 2013 UTC vs.
Revision 1.214 by jsr166, Mon Sep 24 18:09:30 2018 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
74		catch (Throwable fail) { threadUnexpectedException(fail); }
75		}
76
77	<	void checkCompletedNormally(CompletableFuture<?> f, Object value) {
78	<	try {
79	<	assertEquals(value, f.join());
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.getNow(null));
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	<	try {
64	<	assertEquals(value, f.get());
65	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
77	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T expectedValue) {
78	>	checkTimedGet(f, expectedValue);
79	>
80	>	assertEquals(expectedValue, f.join());
81	>	assertEquals(expectedValue, f.getNow(null));
82	>
83	>	T result = null;
84		try {
85	<	assertEquals(value, f.get(0L, SECONDS));
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91	<	assertTrue(f.toString().contains("[Completed normally]"));
91	>	assertFalse(f.isCompletedExceptionally());
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
96	<	try {
97	<	f.join();
98	<	shouldThrow();
99	<	} catch (Throwable ex) {
100	<	assertTrue(ex instanceof CompletionException &&
101	<	((CompletionException)ex).getCause() instanceof CFException);
102	<	}
103	<	try {
104	<	f.getNow(null);
105	<	shouldThrow();
106	<	} catch (Throwable ex) {
107	<	assertTrue(ex instanceof CompletionException &&
108	<	((CompletionException)ex).getCause() instanceof CFException);
109	<	}
110	<	try {
111	<	f.get();
91	<	shouldThrow();
92	<	} catch (Throwable ex) {
93	<	assertTrue(ex instanceof ExecutionException &&
94	<	((ExecutionException)ex).getCause() instanceof CFException);
95	>	/**
96	>	* Returns the "raw" internal exceptional completion of f,
97	>	* without any additional wrapping with CompletionException.
98	>	*/
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103	>	}
104	>
105	>	void checkCompletedExceptionally(CompletableFuture<?> f,
106	>	boolean wrapped,
107	>	Consumer<Throwable> checker) {
108	>	Throwable cause = exceptionalCompletion(f);
109	>	if (wrapped) {
110	>	assertTrue(cause instanceof CompletionException);
111	>	cause = cause.getCause();
112		}
113	+	checker.accept(cause);
114	+
115	+	long startTime = System.nanoTime();
116		try {
117	<	f.get(0L, SECONDS);
117	>	f.get(LONG_DELAY_MS, MILLISECONDS);
118		shouldThrow();
119	<	} catch (Throwable ex) {
120	<	assertTrue(ex instanceof ExecutionException &&
121	<	((ExecutionException)ex).getCause() instanceof CFException);
122	<	}
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	}
119	>	} catch (ExecutionException success) {
120	>	assertSame(cause, success.getCause());
121	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
122	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
123
107	–	void checkCancelled(CompletableFuture<?> f) {
124		try {
125		f.join();
126		shouldThrow();
127	<	} catch (Throwable ex) {
128	<	assertTrue(ex instanceof CancellationException);
129	<	}
127	>	} catch (CompletionException success) {
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.getNow(null);
133		shouldThrow();
134	<	} catch (Throwable ex) {
135	<	assertTrue(ex instanceof CancellationException);
136	<	}
134	>	} catch (CompletionException success) {
135	>	assertSame(cause, success.getCause());
136	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	>
138		try {
139		f.get();
140		shouldThrow();
141	<	} catch (Throwable ex) {
142	<	assertTrue(ex instanceof CancellationException);
143	<	}
144	<	try {
145	<	f.get(0L, SECONDS);
128	<	shouldThrow();
129	<	} catch (Throwable ex) {
130	<	assertTrue(ex instanceof CancellationException);
131	<	}
141	>	} catch (ExecutionException success) {
142	>	assertSame(cause, success.getCause());
143	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
144	>
145	>	assertFalse(f.isCancelled());
146		assertTrue(f.isDone());
147	<	assertTrue(f.isCancelled());
147	>	assertTrue(f.isCompletedExceptionally());
148	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
149	>	}
150	>
151	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152	>	checkCompletedExceptionally(f, true,
153	>	t -> assertTrue(t instanceof CFException));
154		}
155
156		void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
157	+	checkCompletedExceptionally(f, true,
158	+	t -> assertTrue(t instanceof CancellationException));
159	+	}
160	+
161	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
162	+	checkCompletedExceptionally(f, false,
163	+	t -> assertTrue(t instanceof TimeoutException));
164	+	}
165	+
166	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
167	+	Throwable ex) {
168	+	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
169	+	}
170	+
171	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
172	+	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
173	+	}
174	+
175	+	void checkCancelled(CompletableFuture<?> f) {
176	+	long startTime = System.nanoTime();
177	+	try {
178	+	f.get(LONG_DELAY_MS, MILLISECONDS);
179	+	shouldThrow();
180	+	} catch (CancellationException success) {
181	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
182	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
183	+
184		try {
185		f.join();
186		shouldThrow();
187	<	} catch (Throwable ex) {
141	<	assertTrue(ex instanceof CompletionException &&
142	<	((CompletionException)ex).getCause() instanceof CancellationException);
143	<	}
187	>	} catch (CancellationException success) {}
188		try {
189		f.getNow(null);
190		shouldThrow();
191	<	} catch (Throwable ex) {
148	<	assertTrue(ex instanceof CompletionException &&
149	<	((CompletionException)ex).getCause() instanceof CancellationException);
150	<	}
191	>	} catch (CancellationException success) {}
192		try {
193		f.get();
194		shouldThrow();
195	<	} catch (Throwable ex) {
196	<	assertTrue(ex instanceof ExecutionException &&
197	<	((ExecutionException)ex).getCause() instanceof CancellationException);
198	<	}
199	<	try {
159	<	f.get(0L, SECONDS);
160	<	shouldThrow();
161	<	} catch (Throwable ex) {
162	<	assertTrue(ex instanceof ExecutionException &&
163	<	((ExecutionException)ex).getCause() instanceof CancellationException);
164	<	}
195	>	} catch (CancellationException success) {
196	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
197	>
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
201	<	assertFalse(f.isCancelled());
201	>	assertTrue(f.isCompletedExceptionally());
202	>	assertTrue(f.isCancelled());
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 171 | Line 208 | public class CompletableFutureTest exten
208		* by methods isDone, isCancelled, and getNow
209		*/
210		public void testConstructor() {
211	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
211	>	CompletableFuture<Integer> f = new CompletableFuture<>();
212		checkIncomplete(f);
213		}
214
#	Line 180 | Line 217 | public class CompletableFutureTest exten
217		* isCancelled, join, get, and getNow
218		*/
219		public void testComplete() {
220	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
220	>	for (Integer v1 : new Integer[] { 1, null })
221	>	{
222	>	CompletableFuture<Integer> f = new CompletableFuture<>();
223		checkIncomplete(f);
224	<	f.complete(one);
225	<	checkCompletedNormally(f, one);
226	<	}
224	>	assertTrue(f.complete(v1));
225	>	assertFalse(f.complete(v1));
226	>	checkCompletedNormally(f, v1);
227	>	}}
228
229		/**
230		* completeExceptionally completes exceptionally, as indicated by
231		* methods isDone, isCancelled, join, get, and getNow
232		*/
233		public void testCompleteExceptionally() {
234	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
234	>	CompletableFuture<Integer> f = new CompletableFuture<>();
235	>	CFException ex = new CFException();
236		checkIncomplete(f);
237	<	f.completeExceptionally(new CFException());
238	<	checkCompletedWithWrappedCFException(f);
237	>	f.completeExceptionally(ex);
238	>	checkCompletedExceptionally(f, ex);
239		}
240
241		/**
#	Line 202 | Line 243 | public class CompletableFutureTest exten
243		* methods isDone, isCancelled, join, get, and getNow
244		*/
245		public void testCancel() {
246	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
246	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
247	>	{
248	>	CompletableFuture<Integer> f = new CompletableFuture<>();
249		checkIncomplete(f);
250	<	assertTrue(f.cancel(true));
250	>	assertTrue(f.cancel(mayInterruptIfRunning));
251	>	assertTrue(f.cancel(mayInterruptIfRunning));
252	>	assertTrue(f.cancel(!mayInterruptIfRunning));
253		checkCancelled(f);
254	<	}
254	>	}}
255
256		/**
257		* obtrudeValue forces completion with given value
258		*/
259		public void testObtrudeValue() {
260	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
260	>	CompletableFuture<Integer> f = new CompletableFuture<>();
261		checkIncomplete(f);
262	<	f.complete(one);
262	>	assertTrue(f.complete(one));
263		checkCompletedNormally(f, one);
264		f.obtrudeValue(three);
265		checkCompletedNormally(f, three);
266		f.obtrudeValue(two);
267		checkCompletedNormally(f, two);
268	<	f = new CompletableFuture<Integer>();
268	>	f = new CompletableFuture<>();
269		f.obtrudeValue(three);
270		checkCompletedNormally(f, three);
271	<	f = new CompletableFuture<Integer>();
271	>	f.obtrudeValue(null);
272	>	checkCompletedNormally(f, null);
273	>	f = new CompletableFuture<>();
274		f.completeExceptionally(new CFException());
275		f.obtrudeValue(four);
276		checkCompletedNormally(f, four);
#	Line 233 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
284	<	checkIncomplete(f);
285	<	f.complete(one);
286	<	checkCompletedNormally(f, one);
287	<	f.obtrudeException(new CFException());
288	<	checkCompletedWithWrappedCFException(f);
289	<	f = new CompletableFuture<Integer>();
290	<	f.obtrudeException(new CFException());
291	<	checkCompletedWithWrappedCFException(f);
292	<	f = new CompletableFuture<Integer>();
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288	>	f = new CompletableFuture<>();
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295	>	f = new CompletableFuture<>();
296	>	for (int i = 0; i < 2; i++) {
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	}
300	>
301	>	f = new CompletableFuture<>();
302		f.completeExceptionally(new CFException());
303	<	f.obtrudeValue(four);
304	<	checkCompletedNormally(f, four);
305	<	f.obtrudeException(new CFException());
306	<	checkCompletedWithWrappedCFException(f);
307	<	}
303	>	f.obtrudeValue(v1);
304	>	checkCompletedNormally(f, v1);
305	>	f.obtrudeException(ex = new CFException());
306	>	checkCompletedExceptionally(f, ex);
307	>	f.completeExceptionally(new CFException());
308	>	checkCompletedExceptionally(f, ex);
309	>	assertFalse(f.complete(v1));
310	>	checkCompletedExceptionally(f, ex);
311	>	}}
312
313		/**
314		* getNumberOfDependents returns number of dependent tasks
315		*/
316		public void testGetNumberOfDependents() {
317	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
318	<	assertEquals(f.getNumberOfDependents(), 0);
319	<	CompletableFuture g = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 1);
321	<	assertEquals(g.getNumberOfDependents(), 0);
322	<	CompletableFuture h = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 2);
324	<	f.complete(1);
317	>	for (ExecutionMode m : ExecutionMode.values())
318	>	for (Integer v1 : new Integer[] { 1, null })
319	>	{
320	>	CompletableFuture<Integer> f = new CompletableFuture<>();
321	>	assertEquals(0, f.getNumberOfDependents());
322	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323	>	assertEquals(1, f.getNumberOfDependents());
324	>	assertEquals(0, g.getNumberOfDependents());
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326	>	assertEquals(2, f.getNumberOfDependents());
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	<	assertEquals(f.getNumberOfDependents(), 0);
331	<	assertEquals(g.getNumberOfDependents(), 0);
332	<	}
333	<
330	>	checkCompletedNormally(h, null);
331	>	assertEquals(0, f.getNumberOfDependents());
332	>	assertEquals(0, g.getNumberOfDependents());
333	>	assertEquals(0, h.getNumberOfDependents());
334	>	}}
335
336		/**
337		* toString indicates current completion state
338		*/
339	<	public void testToString() {
340	<	CompletableFuture<String> f;
339	>	public void testToString_incomplete() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
342	>	if (testImplementationDetails)
343	>	assertEquals(identityString(f) + "[Not completed]",
344	>	f.toString());
345	>	}
346	>
347	>	public void testToString_normal() {
348	>	CompletableFuture<String> f = new CompletableFuture<>();
349	>	assertTrue(f.complete("foo"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	assertEquals(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355	>
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
360	>	if (testImplementationDetails)
361	>	assertTrue(f.toString().startsWith(
362	>	identityString(f) + "[Completed exceptionally: "));
363	>	}
364	>
365	>	public void testToString_cancelled() {
366	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368	>	assertTrue(f.cancel(mayInterruptIfRunning));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373	>	}
374	>	}
375	>
376	>	/**
377	>	* completedFuture returns a completed CompletableFuture with given value
378	>	*/
379	>	public void testCompletedFuture() {
380	>	CompletableFuture<String> f = CompletableFuture.completedFuture("test");
381	>	checkCompletedNormally(f, "test");
382	>	}
383	>
384	>	abstract static class CheckedAction {
385	>	int invocationCount = 0;
386	>	final ExecutionMode m;
387	>	CheckedAction(ExecutionMode m) { this.m = m; }
388	>	void invoked() {
389	>	m.checkExecutionMode();
390	>	assertEquals(0, invocationCount++);
391	>	}
392	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
393	>	void assertInvoked() { assertEquals(1, invocationCount); }
394	>	}
395	>
396	>	abstract static class CheckedIntegerAction extends CheckedAction {
397	>	Integer value;
398	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
399	>	void assertValue(Integer expected) {
400	>	assertInvoked();
401	>	assertEquals(expected, value);
402	>	}
403	>	}
404	>
405	>	static class IntegerSupplier extends CheckedAction
406	>	implements Supplier<Integer>
407	>	{
408	>	final Integer value;
409	>	IntegerSupplier(ExecutionMode m, Integer value) {
410	>	super(m);
411	>	this.value = value;
412	>	}
413	>	public Integer get() {
414	>	invoked();
415	>	return value;
416	>	}
417	>	}
418
419	<	f = new CompletableFuture<String>();
420	<	assertTrue(f.toString().contains("[Not completed]"));
419	>	// A function that handles and produces null values as well.
420	>	static Integer inc(Integer x) {
421	>	return (x == null) ? null : x + 1;
422	>	}
423
424	<	f.complete("foo");
425	<	assertTrue(f.toString().contains("[Completed normally]"));
424	>	static class NoopConsumer extends CheckedIntegerAction
425	>	implements Consumer<Integer>
426	>	{
427	>	NoopConsumer(ExecutionMode m) { super(m); }
428	>	public void accept(Integer x) {
429	>	invoked();
430	>	value = x;
431	>	}
432	>	}
433	>
434	>	static class IncFunction extends CheckedIntegerAction
435	>	implements Function<Integer,Integer>
436	>	{
437	>	IncFunction(ExecutionMode m) { super(m); }
438	>	public Integer apply(Integer x) {
439	>	invoked();
440	>	return value = inc(x);
441	>	}
442	>	}
443
444	<	f = new CompletableFuture<String>();
445	<	f.completeExceptionally(new IndexOutOfBoundsException());
446	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
447	<	}
448	<
449	<	static final Supplier<Integer> supplyOne =
289	<	() -> Integer.valueOf(1);
290	<	static final Function<Integer, Integer> inc =
291	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
292	<	static final BiFunction<Integer, Integer, Integer> add =
293	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() + y.intValue());
294	<	static final class IncAction implements Consumer<Integer> {
295	<	int value;
296	<	public void accept(Integer x) { value = x.intValue() + 1; }
444	>	// Choose non-commutative actions for better coverage
445	>	// A non-commutative function that handles and produces null values as well.
446	>	static Integer subtract(Integer x, Integer y) {
447	>	return (x == null && y == null) ? null :
448	>	((x == null) ? 42 : x.intValue())
449	>	- ((y == null) ? 99 : y.intValue());
450		}
451	<	static final class AddAction implements BiConsumer<Integer, Integer> {
452	<	int value;
451	>
452	>	static class SubtractAction extends CheckedIntegerAction
453	>	implements BiConsumer<Integer, Integer>
454	>	{
455	>	SubtractAction(ExecutionMode m) { super(m); }
456		public void accept(Integer x, Integer y) {
457	<	value = x.intValue() + y.intValue();
457	>	invoked();
458	>	value = subtract(x, y);
459		}
460		}
461	<	static final class Noop implements Runnable {
462	<	boolean ran;
463	<	public void run() { ran = true; }
461	>
462	>	static class SubtractFunction extends CheckedIntegerAction
463	>	implements BiFunction<Integer, Integer, Integer>
464	>	{
465	>	SubtractFunction(ExecutionMode m) { super(m); }
466	>	public Integer apply(Integer x, Integer y) {
467	>	invoked();
468	>	return value = subtract(x, y);
469	>	}
470		}
471
472	<	static final class FailingSupplier implements Supplier<Integer> {
473	<	boolean ran;
474	<	public Integer get() { ran = true; throw new CFException(); }
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474	>	public void run() {
475	>	invoked();
476	>	}
477	>	}
478	>
479	>	static class FailingSupplier extends CheckedAction
480	>	implements Supplier<Integer>
481	>	{
482	>	final CFException ex;
483	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
484	>	public Integer get() {
485	>	invoked();
486	>	throw ex;
487	>	}
488		}
489	<	static final class FailingConsumer implements Consumer<Integer> {
490	<	boolean ran;
491	<	public void accept(Integer x) { ran = true; throw new CFException(); }
489	>
490	>	static class FailingConsumer extends CheckedIntegerAction
491	>	implements Consumer<Integer>
492	>	{
493	>	final CFException ex;
494	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
495	>	public void accept(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw ex;
499	>	}
500		}
501	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
502	<	boolean ran;
503	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
501	>
502	>	static class FailingBiConsumer extends CheckedIntegerAction
503	>	implements BiConsumer<Integer, Integer>
504	>	{
505	>	final CFException ex;
506	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
507	>	public void accept(Integer x, Integer y) {
508	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511	>	}
512		}
513	<	static final class FailingFunction implements Function<Integer, Integer> {
514	<	boolean ran;
515	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
513	>
514	>	static class FailingFunction extends CheckedIntegerAction
515	>	implements Function<Integer, Integer>
516	>	{
517	>	final CFException ex;
518	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
519	>	public Integer apply(Integer x) {
520	>	invoked();
521	>	value = x;
522	>	throw ex;
523	>	}
524		}
525	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
526	<	boolean ran;
527	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
525	>
526	>	static class FailingBiFunction extends CheckedIntegerAction
527	>	implements BiFunction<Integer, Integer, Integer>
528	>	{
529	>	final CFException ex;
530	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
531	>	public Integer apply(Integer x, Integer y) {
532	>	invoked();
533	>	value = subtract(x, y);
534	>	throw ex;
535	>	}
536		}
537	<	static final class FailingNoop implements Runnable {
538	<	boolean ran;
539	<	public void run() { ran = true; throw new CFException(); }
537	>
538	>	static class FailingRunnable extends CheckedAction implements Runnable {
539	>	final CFException ex;
540	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
541	>	public void run() {
542	>	invoked();
543	>	throw ex;
544	>	}
545		}
546
547	<	static final class CompletableFutureInc implements Function<Integer, CompletableFuture<Integer>> {
547	>	static class CompletableFutureInc extends CheckedIntegerAction
548	>	implements Function<Integer, CompletableFuture<Integer>>
549	>	{
550	>	CompletableFutureInc(ExecutionMode m) { super(m); }
551		public CompletableFuture<Integer> apply(Integer x) {
552	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
553	<	f.complete(Integer.valueOf(x.intValue() + 1));
554	<	return f;
552	>	invoked();
553	>	value = x;
554	>	return CompletableFuture.completedFuture(inc(x));
555	>	}
556	>	}
557	>
558	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
559	>	implements Function<Throwable, CompletableFuture<Integer>>
560	>	{
561	>	final CFException ex;
562	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
563	>	public CompletableFuture<Integer> apply(Throwable x) {
564	>	invoked();
565	>	throw ex;
566		}
567		}
568
569	<	static final class FailingCompletableFutureFunction implements Function<Integer, CompletableFuture<Integer>> {
570	<	boolean ran;
569	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
570	>	implements Function<Throwable, CompletionStage<Integer>> {
571	>	final Integer value = 3;
572	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
573	>	public CompletionStage<Integer> apply(Throwable x) {
574	>	invoked();
575	>	return CompletableFuture.completedFuture(value);
576	>	}
577	>	}
578	>
579	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
580	>	implements Function<Integer, CompletableFuture<Integer>>
581	>	{
582	>	final CFException ex;
583	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
584		public CompletableFuture<Integer> apply(Integer x) {
585	<	ran = true; throw new CFException();
585	>	invoked();
586	>	value = x;
587	>	throw ex;
588		}
589		}
590
591	<	// Used for explicit executor tests
592	<	static final class ThreadExecutor implements Executor {
591	>	static class CountingRejectingExecutor implements Executor {
592	>	final RejectedExecutionException ex = new RejectedExecutionException();
593	>	final AtomicInteger count = new AtomicInteger(0);
594		public void execute(Runnable r) {
595	<	new Thread(r).start();
595	>	count.getAndIncrement();
596	>	throw ex;
597		}
598		}
599
600	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
601	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
602	<	}
600	>	// Used for explicit executor tests
601	>	static final class ThreadExecutor implements Executor {
602	>	final AtomicInteger count = new AtomicInteger(0);
603	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
604	>	static boolean startedCurrentThread() {
605	>	return Thread.currentThread().getThreadGroup() == tg;
606	>	}
607
608	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
609	<	public Integer apply(Integer x, Throwable t) {
610	<	return (t == null) ? two : three;
608	>	public void execute(Runnable r) {
609	>	count.getAndIncrement();
610	>	new Thread(tg, r).start();
611		}
612		}
613
614	+	static final boolean defaultExecutorIsCommonPool
615	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
616	+
617	+	/**
618	+	* Permits the testing of parallel code for the 3 different
619	+	* execution modes without copy/pasting all the test methods.
620	+	*/
621	+	enum ExecutionMode {
622	+	SYNC {
623	+	public void checkExecutionMode() {
624	+	assertFalse(ThreadExecutor.startedCurrentThread());
625	+	assertNull(ForkJoinTask.getPool());
626	+	}
627	+	public CompletableFuture<Void> runAsync(Runnable a) {
628	+	throw new UnsupportedOperationException();
629	+	}
630	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
631	+	throw new UnsupportedOperationException();
632	+	}
633	+	public <T> CompletableFuture<Void> thenRun
634	+	(CompletableFuture<T> f, Runnable a) {
635	+	return f.thenRun(a);
636	+	}
637	+	public <T> CompletableFuture<Void> thenAccept
638	+	(CompletableFuture<T> f, Consumer<? super T> a) {
639	+	return f.thenAccept(a);
640	+	}
641	+	public <T,U> CompletableFuture<U> thenApply
642	+	(CompletableFuture<T> f, Function<? super T,U> a) {
643	+	return f.thenApply(a);
644	+	}
645	+	public <T,U> CompletableFuture<U> thenCompose
646	+	(CompletableFuture<T> f,
647	+	Function<? super T,? extends CompletionStage<U>> a) {
648	+	return f.thenCompose(a);
649	+	}
650	+	public <T,U> CompletableFuture<U> handle
651	+	(CompletableFuture<T> f,
652	+	BiFunction<? super T,Throwable,? extends U> a) {
653	+	return f.handle(a);
654	+	}
655	+	public <T> CompletableFuture<T> whenComplete
656	+	(CompletableFuture<T> f,
657	+	BiConsumer<? super T,? super Throwable> a) {
658	+	return f.whenComplete(a);
659	+	}
660	+	public <T,U> CompletableFuture<Void> runAfterBoth
661	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
662	+	return f.runAfterBoth(g, a);
663	+	}
664	+	public <T,U> CompletableFuture<Void> thenAcceptBoth
665	+	(CompletableFuture<T> f,
666	+	CompletionStage<? extends U> g,
667	+	BiConsumer<? super T,? super U> a) {
668	+	return f.thenAcceptBoth(g, a);
669	+	}
670	+	public <T,U,V> CompletableFuture<V> thenCombine
671	+	(CompletableFuture<T> f,
672	+	CompletionStage<? extends U> g,
673	+	BiFunction<? super T,? super U,? extends V> a) {
674	+	return f.thenCombine(g, a);
675	+	}
676	+	public <T> CompletableFuture<Void> runAfterEither
677	+	(CompletableFuture<T> f,
678	+	CompletionStage<?> g,
679	+	java.lang.Runnable a) {
680	+	return f.runAfterEither(g, a);
681	+	}
682	+	public <T> CompletableFuture<Void> acceptEither
683	+	(CompletableFuture<T> f,
684	+	CompletionStage<? extends T> g,
685	+	Consumer<? super T> a) {
686	+	return f.acceptEither(g, a);
687	+	}
688	+	public <T,U> CompletableFuture<U> applyToEither
689	+	(CompletableFuture<T> f,
690	+	CompletionStage<? extends T> g,
691	+	Function<? super T,U> a) {
692	+	return f.applyToEither(g, a);
693	+	}
694	+	public <T> CompletableFuture<T> exceptionally
695	+	(CompletableFuture<T> f,
696	+	Function<Throwable, ? extends T> fn) {
697	+	return f.exceptionally(fn);
698	+	}
699	+	public <T> CompletableFuture<T> exceptionallyCompose
700	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
701	+	return f.exceptionallyCompose(fn);
702	+	}
703	+	},
704	+	ASYNC {
705	+	public void checkExecutionMode() {
706	+	assertEquals(defaultExecutorIsCommonPool,
707	+	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
708	+	}
709	+	public CompletableFuture<Void> runAsync(Runnable a) {
710	+	return CompletableFuture.runAsync(a);
711	+	}
712	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
713	+	return CompletableFuture.supplyAsync(a);
714	+	}
715	+	public <T> CompletableFuture<Void> thenRun
716	+	(CompletableFuture<T> f, Runnable a) {
717	+	return f.thenRunAsync(a);
718	+	}
719	+	public <T> CompletableFuture<Void> thenAccept
720	+	(CompletableFuture<T> f, Consumer<? super T> a) {
721	+	return f.thenAcceptAsync(a);
722	+	}
723	+	public <T,U> CompletableFuture<U> thenApply
724	+	(CompletableFuture<T> f, Function<? super T,U> a) {
725	+	return f.thenApplyAsync(a);
726	+	}
727	+	public <T,U> CompletableFuture<U> thenCompose
728	+	(CompletableFuture<T> f,
729	+	Function<? super T,? extends CompletionStage<U>> a) {
730	+	return f.thenComposeAsync(a);
731	+	}
732	+	public <T,U> CompletableFuture<U> handle
733	+	(CompletableFuture<T> f,
734	+	BiFunction<? super T,Throwable,? extends U> a) {
735	+	return f.handleAsync(a);
736	+	}
737	+	public <T> CompletableFuture<T> whenComplete
738	+	(CompletableFuture<T> f,
739	+	BiConsumer<? super T,? super Throwable> a) {
740	+	return f.whenCompleteAsync(a);
741	+	}
742	+	public <T,U> CompletableFuture<Void> runAfterBoth
743	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
744	+	return f.runAfterBothAsync(g, a);
745	+	}
746	+	public <T,U> CompletableFuture<Void> thenAcceptBoth
747	+	(CompletableFuture<T> f,
748	+	CompletionStage<? extends U> g,
749	+	BiConsumer<? super T,? super U> a) {
750	+	return f.thenAcceptBothAsync(g, a);
751	+	}
752	+	public <T,U,V> CompletableFuture<V> thenCombine
753	+	(CompletableFuture<T> f,
754	+	CompletionStage<? extends U> g,
755	+	BiFunction<? super T,? super U,? extends V> a) {
756	+	return f.thenCombineAsync(g, a);
757	+	}
758	+	public <T> CompletableFuture<Void> runAfterEither
759	+	(CompletableFuture<T> f,
760	+	CompletionStage<?> g,
761	+	java.lang.Runnable a) {
762	+	return f.runAfterEitherAsync(g, a);
763	+	}
764	+	public <T> CompletableFuture<Void> acceptEither
765	+	(CompletableFuture<T> f,
766	+	CompletionStage<? extends T> g,
767	+	Consumer<? super T> a) {
768	+	return f.acceptEitherAsync(g, a);
769	+	}
770	+	public <T,U> CompletableFuture<U> applyToEither
771	+	(CompletableFuture<T> f,
772	+	CompletionStage<? extends T> g,
773	+	Function<? super T,U> a) {
774	+	return f.applyToEitherAsync(g, a);
775	+	}
776	+	public <T> CompletableFuture<T> exceptionally
777	+	(CompletableFuture<T> f,
778	+	Function<Throwable, ? extends T> fn) {
779	+	return f.exceptionallyAsync(fn);
780	+	}
781	+
782	+	public <T> CompletableFuture<T> exceptionallyCompose
783	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
784	+	return f.exceptionallyComposeAsync(fn);
785	+	}
786	+
787	+	},
788	+
789	+	EXECUTOR {
790	+	public void checkExecutionMode() {
791	+	assertTrue(ThreadExecutor.startedCurrentThread());
792	+	}
793	+	public CompletableFuture<Void> runAsync(Runnable a) {
794	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
795	+	}
796	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
797	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
798	+	}
799	+	public <T> CompletableFuture<Void> thenRun
800	+	(CompletableFuture<T> f, Runnable a) {
801	+	return f.thenRunAsync(a, new ThreadExecutor());
802	+	}
803	+	public <T> CompletableFuture<Void> thenAccept
804	+	(CompletableFuture<T> f, Consumer<? super T> a) {
805	+	return f.thenAcceptAsync(a, new ThreadExecutor());
806	+	}
807	+	public <T,U> CompletableFuture<U> thenApply
808	+	(CompletableFuture<T> f, Function<? super T,U> a) {
809	+	return f.thenApplyAsync(a, new ThreadExecutor());
810	+	}
811	+	public <T,U> CompletableFuture<U> thenCompose
812	+	(CompletableFuture<T> f,
813	+	Function<? super T,? extends CompletionStage<U>> a) {
814	+	return f.thenComposeAsync(a, new ThreadExecutor());
815	+	}
816	+	public <T,U> CompletableFuture<U> handle
817	+	(CompletableFuture<T> f,
818	+	BiFunction<? super T,Throwable,? extends U> a) {
819	+	return f.handleAsync(a, new ThreadExecutor());
820	+	}
821	+	public <T> CompletableFuture<T> whenComplete
822	+	(CompletableFuture<T> f,
823	+	BiConsumer<? super T,? super Throwable> a) {
824	+	return f.whenCompleteAsync(a, new ThreadExecutor());
825	+	}
826	+	public <T,U> CompletableFuture<Void> runAfterBoth
827	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
828	+	return f.runAfterBothAsync(g, a, new ThreadExecutor());
829	+	}
830	+	public <T,U> CompletableFuture<Void> thenAcceptBoth
831	+	(CompletableFuture<T> f,
832	+	CompletionStage<? extends U> g,
833	+	BiConsumer<? super T,? super U> a) {
834	+	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
835	+	}
836	+	public <T,U,V> CompletableFuture<V> thenCombine
837	+	(CompletableFuture<T> f,
838	+	CompletionStage<? extends U> g,
839	+	BiFunction<? super T,? super U,? extends V> a) {
840	+	return f.thenCombineAsync(g, a, new ThreadExecutor());
841	+	}
842	+	public <T> CompletableFuture<Void> runAfterEither
843	+	(CompletableFuture<T> f,
844	+	CompletionStage<?> g,
845	+	java.lang.Runnable a) {
846	+	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
847	+	}
848	+	public <T> CompletableFuture<Void> acceptEither
849	+	(CompletableFuture<T> f,
850	+	CompletionStage<? extends T> g,
851	+	Consumer<? super T> a) {
852	+	return f.acceptEitherAsync(g, a, new ThreadExecutor());
853	+	}
854	+	public <T,U> CompletableFuture<U> applyToEither
855	+	(CompletableFuture<T> f,
856	+	CompletionStage<? extends T> g,
857	+	Function<? super T,U> a) {
858	+	return f.applyToEitherAsync(g, a, new ThreadExecutor());
859	+	}
860	+	public <T> CompletableFuture<T> exceptionally
861	+	(CompletableFuture<T> f,
862	+	Function<Throwable, ? extends T> fn) {
863	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
864	+	}
865	+	public <T> CompletableFuture<T> exceptionallyCompose
866	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
867	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
868	+	}
869	+
870	+	};
871	+
872	+	public abstract void checkExecutionMode();
873	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
874	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
875	+	public abstract <T> CompletableFuture<Void> thenRun
876	+	(CompletableFuture<T> f, Runnable a);
877	+	public abstract <T> CompletableFuture<Void> thenAccept
878	+	(CompletableFuture<T> f, Consumer<? super T> a);
879	+	public abstract <T,U> CompletableFuture<U> thenApply
880	+	(CompletableFuture<T> f, Function<? super T,U> a);
881	+	public abstract <T,U> CompletableFuture<U> thenCompose
882	+	(CompletableFuture<T> f,
883	+	Function<? super T,? extends CompletionStage<U>> a);
884	+	public abstract <T,U> CompletableFuture<U> handle
885	+	(CompletableFuture<T> f,
886	+	BiFunction<? super T,Throwable,? extends U> a);
887	+	public abstract <T> CompletableFuture<T> whenComplete
888	+	(CompletableFuture<T> f,
889	+	BiConsumer<? super T,? super Throwable> a);
890	+	public abstract <T,U> CompletableFuture<Void> runAfterBoth
891	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
892	+	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
893	+	(CompletableFuture<T> f,
894	+	CompletionStage<? extends U> g,
895	+	BiConsumer<? super T,? super U> a);
896	+	public abstract <T,U,V> CompletableFuture<V> thenCombine
897	+	(CompletableFuture<T> f,
898	+	CompletionStage<? extends U> g,
899	+	BiFunction<? super T,? super U,? extends V> a);
900	+	public abstract <T> CompletableFuture<Void> runAfterEither
901	+	(CompletableFuture<T> f,
902	+	CompletionStage<?> g,
903	+	java.lang.Runnable a);
904	+	public abstract <T> CompletableFuture<Void> acceptEither
905	+	(CompletableFuture<T> f,
906	+	CompletionStage<? extends T> g,
907	+	Consumer<? super T> a);
908	+	public abstract <T,U> CompletableFuture<U> applyToEither
909	+	(CompletableFuture<T> f,
910	+	CompletionStage<? extends T> g,
911	+	Function<? super T,U> a);
912	+	public abstract <T> CompletableFuture<T> exceptionally
913	+	(CompletableFuture<T> f,
914	+	Function<Throwable, ? extends T> fn);
915	+	public abstract <T> CompletableFuture<T> exceptionallyCompose
916	+	(CompletableFuture<T> f,
917	+	Function<Throwable, ? extends CompletionStage<T>> fn);
918	+	}
919	+
920	+	/**
921	+	* exceptionally action is not invoked when source completes
922	+	* normally, and source result is propagated
923	+	*/
924	+	public void testExceptionally_normalCompletion() {
925	+	for (ExecutionMode m : ExecutionMode.values())
926	+	for (boolean createIncomplete : new boolean[] { true, false })
927	+	for (Integer v1 : new Integer[] { 1, null })
928	+	{
929	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
930	+	if (!createIncomplete) assertTrue(f.complete(v1));
931	+	final CompletableFuture<Integer> g = m.exceptionally
932	+	(f, (Throwable t) -> {
933	+	threadFail("should not be called");
934	+	return null;            // unreached
935	+	});
936	+	if (createIncomplete) assertTrue(f.complete(v1));
937	+
938	+	checkCompletedNormally(g, v1);
939	+	checkCompletedNormally(f, v1);
940	+	}}
941
942		/**
943		* exceptionally action completes with function value on source
944	<	* exception;  otherwise with source value
944	>	* exception
945		*/
946	<	public void testExceptionally() {
947	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
948	<	ExceptionToInteger r = new ExceptionToInteger();
949	<	CompletableFuture<Integer> g = f.exceptionally(r);
950	<	f.completeExceptionally(new CFException());
951	<	checkCompletedNormally(g, three);
946	>	public void testExceptionally_exceptionalCompletion() {
947	>	for (ExecutionMode m : ExecutionMode.values())
948	>	for (boolean createIncomplete : new boolean[] { true, false })
949	>	for (Integer v1 : new Integer[] { 1, null })
950	>	{
951	>	final AtomicInteger a = new AtomicInteger(0);
952	>	final CFException ex = new CFException();
953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
954	>	if (!createIncomplete) f.completeExceptionally(ex);
955	>	final CompletableFuture<Integer> g = m.exceptionally
956	>	(f, (Throwable t) -> {
957	>	m.checkExecutionMode();
958	>	threadAssertSame(t, ex);
959	>	a.getAndIncrement();
960	>	return v1;
961	>	});
962	>	if (createIncomplete) f.completeExceptionally(ex);
963	>
964	>	checkCompletedNormally(g, v1);
965	>	assertEquals(1, a.get());
966	>	}}
967	>
968	>	/**
969	>	* If an "exceptionally action" throws an exception, it completes
970	>	* exceptionally with that exception
971	>	*/
972	>	public void testExceptionally_exceptionalCompletionActionFailed() {
973	>	for (ExecutionMode m : ExecutionMode.values())
974	>	for (boolean createIncomplete : new boolean[] { true, false })
975	>	{
976	>	final AtomicInteger a = new AtomicInteger(0);
977	>	final CFException ex1 = new CFException();
978	>	final CFException ex2 = new CFException();
979	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
980	>	if (!createIncomplete) f.completeExceptionally(ex1);
981	>	final CompletableFuture<Integer> g = m.exceptionally
982	>	(f, (Throwable t) -> {
983	>	m.checkExecutionMode();
984	>	threadAssertSame(t, ex1);
985	>	a.getAndIncrement();
986	>	throw ex2;
987	>	});
988	>	if (createIncomplete) f.completeExceptionally(ex1);
989	>
990	>	checkCompletedWithWrappedException(g, ex2);
991	>	checkCompletedExceptionally(f, ex1);
992	>	assertEquals(1, a.get());
993	>	}}
994	>
995	>	/**
996	>	* whenComplete action executes on normal completion, propagating
997	>	* source result.
998	>	*/
999	>	public void testWhenComplete_normalCompletion() {
1000	>	for (ExecutionMode m : ExecutionMode.values())
1001	>	for (boolean createIncomplete : new boolean[] { true, false })
1002	>	for (Integer v1 : new Integer[] { 1, null })
1003	>	{
1004	>	final AtomicInteger a = new AtomicInteger(0);
1005	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	>	if (!createIncomplete) assertTrue(f.complete(v1));
1007	>	final CompletableFuture<Integer> g = m.whenComplete
1008	>	(f,
1009	>	(Integer result, Throwable t) -> {
1010	>	m.checkExecutionMode();
1011	>	threadAssertSame(result, v1);
1012	>	threadAssertNull(t);
1013	>	a.getAndIncrement();
1014	>	});
1015	>	if (createIncomplete) assertTrue(f.complete(v1));
1016	>
1017	>	checkCompletedNormally(g, v1);
1018	>	checkCompletedNormally(f, v1);
1019	>	assertEquals(1, a.get());
1020	>	}}
1021	>
1022	>	/**
1023	>	* whenComplete action executes on exceptional completion, propagating
1024	>	* source result.
1025	>	*/
1026	>	public void testWhenComplete_exceptionalCompletion() {
1027	>	for (ExecutionMode m : ExecutionMode.values())
1028	>	for (boolean createIncomplete : new boolean[] { true, false })
1029	>	{
1030	>	final AtomicInteger a = new AtomicInteger(0);
1031	>	final CFException ex = new CFException();
1032	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1033	>	if (!createIncomplete) f.completeExceptionally(ex);
1034	>	final CompletableFuture<Integer> g = m.whenComplete
1035	>	(f,
1036	>	(Integer result, Throwable t) -> {
1037	>	m.checkExecutionMode();
1038	>	threadAssertNull(result);
1039	>	threadAssertSame(t, ex);
1040	>	a.getAndIncrement();
1041	>	});
1042	>	if (createIncomplete) f.completeExceptionally(ex);
1043	>
1044	>	checkCompletedWithWrappedException(g, ex);
1045	>	checkCompletedExceptionally(f, ex);
1046	>	assertEquals(1, a.get());
1047	>	}}
1048	>
1049	>	/**
1050	>	* whenComplete action executes on cancelled source, propagating
1051	>	* CancellationException.
1052	>	*/
1053	>	public void testWhenComplete_sourceCancelled() {
1054	>	for (ExecutionMode m : ExecutionMode.values())
1055	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1056	>	for (boolean createIncomplete : new boolean[] { true, false })
1057	>	{
1058	>	final AtomicInteger a = new AtomicInteger(0);
1059	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1060	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1061	>	final CompletableFuture<Integer> g = m.whenComplete
1062	>	(f,
1063	>	(Integer result, Throwable t) -> {
1064	>	m.checkExecutionMode();
1065	>	threadAssertNull(result);
1066	>	threadAssertTrue(t instanceof CancellationException);
1067	>	a.getAndIncrement();
1068	>	});
1069	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1070
1071	<	f = new CompletableFuture<Integer>();
1072	<	r = new ExceptionToInteger();
1073	<	g = f.exceptionally(r);
1074	<	f.complete(one);
382	<	checkCompletedNormally(g, one);
383	<	}
1071	>	checkCompletedWithWrappedCancellationException(g);
1072	>	checkCancelled(f);
1073	>	assertEquals(1, a.get());
1074	>	}}
1075
1076		/**
1077	<	* handle action completes normally with function value on either
1078	<	* normal or exceptional completion of source
1077	>	* If a whenComplete action throws an exception when triggered by
1078	>	* a normal completion, it completes exceptionally
1079		*/
1080	<	public void testHandle() {
1081	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1082	<	IntegerHandler r = new IntegerHandler();
1083	<	CompletableFuture<Integer> g = f.handle(r);
1084	<	f.completeExceptionally(new CFException());
1085	<	checkCompletedNormally(g, three);
1080	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1081	>	for (boolean createIncomplete : new boolean[] { true, false })
1082	>	for (ExecutionMode m : ExecutionMode.values())
1083	>	for (Integer v1 : new Integer[] { 1, null })
1084	>	{
1085	>	final AtomicInteger a = new AtomicInteger(0);
1086	>	final CFException ex = new CFException();
1087	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	>	if (!createIncomplete) assertTrue(f.complete(v1));
1089	>	final CompletableFuture<Integer> g = m.whenComplete
1090	>	(f,
1091	>	(Integer result, Throwable t) -> {
1092	>	m.checkExecutionMode();
1093	>	threadAssertSame(result, v1);
1094	>	threadAssertNull(t);
1095	>	a.getAndIncrement();
1096	>	throw ex;
1097	>	});
1098	>	if (createIncomplete) assertTrue(f.complete(v1));
1099	>
1100	>	checkCompletedWithWrappedException(g, ex);
1101	>	checkCompletedNormally(f, v1);
1102	>	assertEquals(1, a.get());
1103	>	}}
1104	>
1105	>	/**
1106	>	* If a whenComplete action throws an exception when triggered by
1107	>	* a source completion that also throws an exception, the source
1108	>	* exception takes precedence (unlike handle)
1109	>	*/
1110	>	public void testWhenComplete_sourceFailedActionFailed() {
1111	>	for (boolean createIncomplete : new boolean[] { true, false })
1112	>	for (ExecutionMode m : ExecutionMode.values())
1113	>	{
1114	>	final AtomicInteger a = new AtomicInteger(0);
1115	>	final CFException ex1 = new CFException();
1116	>	final CFException ex2 = new CFException();
1117	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	>
1119	>	if (!createIncomplete) f.completeExceptionally(ex1);
1120	>	final CompletableFuture<Integer> g = m.whenComplete
1121	>	(f,
1122	>	(Integer result, Throwable t) -> {
1123	>	m.checkExecutionMode();
1124	>	threadAssertSame(t, ex1);
1125	>	threadAssertNull(result);
1126	>	a.getAndIncrement();
1127	>	throw ex2;
1128	>	});
1129	>	if (createIncomplete) f.completeExceptionally(ex1);
1130	>
1131	>	checkCompletedWithWrappedException(g, ex1);
1132	>	checkCompletedExceptionally(f, ex1);
1133	>	if (testImplementationDetails) {
1134	>	assertEquals(1, ex1.getSuppressed().length);
1135	>	assertSame(ex2, ex1.getSuppressed()[0]);
1136	>	}
1137	>	assertEquals(1, a.get());
1138	>	}}
1139
1140	<	f = new CompletableFuture<Integer>();
1141	<	r = new IntegerHandler();
1142	<	g = f.handle(r);
1143	<	f.complete(one);
1144	<	checkCompletedNormally(g, two);
1145	<	}
1140	>	/**
1141	>	* handle action completes normally with function value on normal
1142	>	* completion of source
1143	>	*/
1144	>	public void testHandle_normalCompletion() {
1145	>	for (ExecutionMode m : ExecutionMode.values())
1146	>	for (boolean createIncomplete : new boolean[] { true, false })
1147	>	for (Integer v1 : new Integer[] { 1, null })
1148	>	{
1149	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1150	>	final AtomicInteger a = new AtomicInteger(0);
1151	>	if (!createIncomplete) assertTrue(f.complete(v1));
1152	>	final CompletableFuture<Integer> g = m.handle
1153	>	(f,
1154	>	(Integer result, Throwable t) -> {
1155	>	m.checkExecutionMode();
1156	>	threadAssertSame(result, v1);
1157	>	threadAssertNull(t);
1158	>	a.getAndIncrement();
1159	>	return inc(v1);
1160	>	});
1161	>	if (createIncomplete) assertTrue(f.complete(v1));
1162	>
1163	>	checkCompletedNormally(g, inc(v1));
1164	>	checkCompletedNormally(f, v1);
1165	>	assertEquals(1, a.get());
1166	>	}}
1167	>
1168	>	/**
1169	>	* handle action completes normally with function value on
1170	>	* exceptional completion of source
1171	>	*/
1172	>	public void testHandle_exceptionalCompletion() {
1173	>	for (ExecutionMode m : ExecutionMode.values())
1174	>	for (boolean createIncomplete : new boolean[] { true, false })
1175	>	for (Integer v1 : new Integer[] { 1, null })
1176	>	{
1177	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1178	>	final AtomicInteger a = new AtomicInteger(0);
1179	>	final CFException ex = new CFException();
1180	>	if (!createIncomplete) f.completeExceptionally(ex);
1181	>	final CompletableFuture<Integer> g = m.handle
1182	>	(f,
1183	>	(Integer result, Throwable t) -> {
1184	>	m.checkExecutionMode();
1185	>	threadAssertNull(result);
1186	>	threadAssertSame(t, ex);
1187	>	a.getAndIncrement();
1188	>	return v1;
1189	>	});
1190	>	if (createIncomplete) f.completeExceptionally(ex);
1191	>
1192	>	checkCompletedNormally(g, v1);
1193	>	checkCompletedExceptionally(f, ex);
1194	>	assertEquals(1, a.get());
1195	>	}}
1196	>
1197	>	/**
1198	>	* handle action completes normally with function value on
1199	>	* cancelled source
1200	>	*/
1201	>	public void testHandle_sourceCancelled() {
1202	>	for (ExecutionMode m : ExecutionMode.values())
1203	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1204	>	for (boolean createIncomplete : new boolean[] { true, false })
1205	>	for (Integer v1 : new Integer[] { 1, null })
1206	>	{
1207	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1208	>	final AtomicInteger a = new AtomicInteger(0);
1209	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1210	>	final CompletableFuture<Integer> g = m.handle
1211	>	(f,
1212	>	(Integer result, Throwable t) -> {
1213	>	m.checkExecutionMode();
1214	>	threadAssertNull(result);
1215	>	threadAssertTrue(t instanceof CancellationException);
1216	>	a.getAndIncrement();
1217	>	return v1;
1218	>	});
1219	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1220	>
1221	>	checkCompletedNormally(g, v1);
1222	>	checkCancelled(f);
1223	>	assertEquals(1, a.get());
1224	>	}}
1225
1226		/**
1227	<	* runAsync completes after running Runnable
1227	>	* If a "handle action" throws an exception when triggered by
1228	>	* a normal completion, it completes exceptionally
1229		*/
1230	<	public void testRunAsync() {
1231	<	Noop r = new Noop();
1232	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1233	<	assertNull(f.join());
1234	<	assertTrue(r.ran);
1235	<	}
1230	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1231	>	for (ExecutionMode m : ExecutionMode.values())
1232	>	for (boolean createIncomplete : new boolean[] { true, false })
1233	>	for (Integer v1 : new Integer[] { 1, null })
1234	>	{
1235	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1236	>	final AtomicInteger a = new AtomicInteger(0);
1237	>	final CFException ex = new CFException();
1238	>	if (!createIncomplete) assertTrue(f.complete(v1));
1239	>	final CompletableFuture<Integer> g = m.handle
1240	>	(f,
1241	>	(Integer result, Throwable t) -> {
1242	>	m.checkExecutionMode();
1243	>	threadAssertSame(result, v1);
1244	>	threadAssertNull(t);
1245	>	a.getAndIncrement();
1246	>	throw ex;
1247	>	});
1248	>	if (createIncomplete) assertTrue(f.complete(v1));
1249	>
1250	>	checkCompletedWithWrappedException(g, ex);
1251	>	checkCompletedNormally(f, v1);
1252	>	assertEquals(1, a.get());
1253	>	}}
1254	>
1255	>	/**
1256	>	* If a "handle action" throws an exception when triggered by
1257	>	* a source completion that also throws an exception, the action
1258	>	* exception takes precedence (unlike whenComplete)
1259	>	*/
1260	>	public void testHandle_sourceFailedActionFailed() {
1261	>	for (boolean createIncomplete : new boolean[] { true, false })
1262	>	for (ExecutionMode m : ExecutionMode.values())
1263	>	{
1264	>	final AtomicInteger a = new AtomicInteger(0);
1265	>	final CFException ex1 = new CFException();
1266	>	final CFException ex2 = new CFException();
1267	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1268	>
1269	>	if (!createIncomplete) f.completeExceptionally(ex1);
1270	>	final CompletableFuture<Integer> g = m.handle
1271	>	(f,
1272	>	(Integer result, Throwable t) -> {
1273	>	m.checkExecutionMode();
1274	>	threadAssertNull(result);
1275	>	threadAssertSame(ex1, t);
1276	>	a.getAndIncrement();
1277	>	throw ex2;
1278	>	});
1279	>	if (createIncomplete) f.completeExceptionally(ex1);
1280	>
1281	>	checkCompletedWithWrappedException(g, ex2);
1282	>	checkCompletedExceptionally(f, ex1);
1283	>	assertEquals(1, a.get());
1284	>	}}
1285
1286		/**
1287	<	* runAsync with executor completes after running Runnable
1287	>	* runAsync completes after running Runnable
1288		*/
1289	<	public void testRunAsync2() {
1290	<	Noop r = new Noop();
1291	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, new ThreadExecutor());
1289	>	public void testRunAsync_normalCompletion() {
1290	>	ExecutionMode[] executionModes = {
1291	>	ExecutionMode.ASYNC,
1292	>	ExecutionMode.EXECUTOR,
1293	>	};
1294	>	for (ExecutionMode m : executionModes)
1295	>	{
1296	>	final Noop r = new Noop(m);
1297	>	final CompletableFuture<Void> f = m.runAsync(r);
1298		assertNull(f.join());
1299	<	assertTrue(r.ran);
1300	<	}
1299	>	checkCompletedNormally(f, null);
1300	>	r.assertInvoked();
1301	>	}}
1302
1303		/**
1304		* failing runAsync completes exceptionally after running Runnable
1305		*/
1306	<	public void testRunAsync3() {
1307	<	FailingNoop r = new FailingNoop();
1308	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1309	<	checkCompletedWithWrappedCFException(f);
1310	<	assertTrue(r.ran);
1311	<	}
1306	>	public void testRunAsync_exceptionalCompletion() {
1307	>	ExecutionMode[] executionModes = {
1308	>	ExecutionMode.ASYNC,
1309	>	ExecutionMode.EXECUTOR,
1310	>	};
1311	>	for (ExecutionMode m : executionModes)
1312	>	{
1313	>	final FailingRunnable r = new FailingRunnable(m);
1314	>	final CompletableFuture<Void> f = m.runAsync(r);
1315	>	checkCompletedWithWrappedException(f, r.ex);
1316	>	r.assertInvoked();
1317	>	}}
1318	>
1319	>	@SuppressWarnings("FutureReturnValueIgnored")
1320	>	public void testRunAsync_rejectingExecutor() {
1321	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1322	>	try {
1323	>	CompletableFuture.runAsync(() -> {}, e);
1324	>	shouldThrow();
1325	>	} catch (Throwable t) {
1326	>	assertSame(e.ex, t);
1327	>	}
1328
1329	<	/**
434	<	* supplyAsync completes with result of supplier
435	<	*/
436	<	public void testSupplyAsync() {
437	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne);
438	<	assertEquals(f.join(), one);
1329	>	assertEquals(1, e.count.get());
1330		}
1331
1332		/**
1333	<	* supplyAsync with executor completes with result of supplier
1333	>	* supplyAsync completes with result of supplier
1334		*/
1335	<	public void testSupplyAsync2() {
1336	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1337	<	assertEquals(f.join(), one);
1338	<	}
1335	>	public void testSupplyAsync_normalCompletion() {
1336	>	ExecutionMode[] executionModes = {
1337	>	ExecutionMode.ASYNC,
1338	>	ExecutionMode.EXECUTOR,
1339	>	};
1340	>	for (ExecutionMode m : executionModes)
1341	>	for (Integer v1 : new Integer[] { 1, null })
1342	>	{
1343	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1344	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1345	>	assertSame(v1, f.join());
1346	>	checkCompletedNormally(f, v1);
1347	>	r.assertInvoked();
1348	>	}}
1349
1350		/**
1351		* Failing supplyAsync completes exceptionally
1352		*/
1353	<	public void testSupplyAsync3() {
1354	<	FailingSupplier r = new FailingSupplier();
1355	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1356	<	checkCompletedWithWrappedCFException(f);
1357	<	assertTrue(r.ran);
1353	>	public void testSupplyAsync_exceptionalCompletion() {
1354	>	ExecutionMode[] executionModes = {
1355	>	ExecutionMode.ASYNC,
1356	>	ExecutionMode.EXECUTOR,
1357	>	};
1358	>	for (ExecutionMode m : executionModes)
1359	>	{
1360	>	FailingSupplier r = new FailingSupplier(m);
1361	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1362	>	checkCompletedWithWrappedException(f, r.ex);
1363	>	r.assertInvoked();
1364	>	}}
1365	>
1366	>	@SuppressWarnings("FutureReturnValueIgnored")
1367	>	public void testSupplyAsync_rejectingExecutor() {
1368	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1369	>	try {
1370	>	CompletableFuture.supplyAsync(() -> null, e);
1371	>	shouldThrow();
1372	>	} catch (Throwable t) {
1373	>	assertSame(e.ex, t);
1374	>	}
1375	>
1376	>	assertEquals(1, e.count.get());
1377		}
1378
1379	<	// seq conmpletion methods
1379	>	// seq completion methods
1380
1381		/**
1382		* thenRun result completes normally after normal completion of source
1383		*/
1384	<	public void testThenRun() {
1385	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1386	<	Noop r = new Noop();
1387	<	CompletableFuture<Void> g = f.thenRun(r);
1388	<	f.complete(null);
1389	<	checkCompletedNormally(g, null);
1390	<	// reordered version
1391	<	f = new CompletableFuture<Integer>();
1392	<	f.complete(null);
1393	<	r = new Noop();
1394	<	g = f.thenRun(r);
1395	<	checkCompletedNormally(g, null);
1396	<	}
1384	>	public void testThenRun_normalCompletion() {
1385	>	for (ExecutionMode m : ExecutionMode.values())
1386	>	for (Integer v1 : new Integer[] { 1, null })
1387	>	{
1388	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1389	>	final Noop[] rs = new Noop[6];
1390	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1391	>
1392	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1393	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1394	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1395	>	checkIncomplete(h0);
1396	>	checkIncomplete(h1);
1397	>	checkIncomplete(h2);
1398	>	assertTrue(f.complete(v1));
1399	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1400	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1401	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1402	>
1403	>	checkCompletedNormally(h0, null);
1404	>	checkCompletedNormally(h1, null);
1405	>	checkCompletedNormally(h2, null);
1406	>	checkCompletedNormally(h3, null);
1407	>	checkCompletedNormally(h4, null);
1408	>	checkCompletedNormally(h5, null);
1409	>	checkCompletedNormally(f, v1);
1410	>	for (Noop r : rs) r.assertInvoked();
1411	>	}}
1412
1413		/**
1414		* thenRun result completes exceptionally after exceptional
1415		* completion of source
1416		*/
1417	<	public void testThenRun2() {
1418	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1419	<	Noop r = new Noop();
1420	<	CompletableFuture<Void> g = f.thenRun(r);
1421	<	f.completeExceptionally(new CFException());
1422	<	checkCompletedWithWrappedCFException(g);
1423	<	}
1417	>	public void testThenRun_exceptionalCompletion() {
1418	>	for (ExecutionMode m : ExecutionMode.values())
1419	>	{
1420	>	final CFException ex = new CFException();
1421	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1422	>	final Noop[] rs = new Noop[6];
1423	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1424	>
1425	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1426	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1427	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1428	>	checkIncomplete(h0);
1429	>	checkIncomplete(h1);
1430	>	checkIncomplete(h2);
1431	>	assertTrue(f.completeExceptionally(ex));
1432	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1433	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1434	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1435	>
1436	>	checkCompletedWithWrappedException(h0, ex);
1437	>	checkCompletedWithWrappedException(h1, ex);
1438	>	checkCompletedWithWrappedException(h2, ex);
1439	>	checkCompletedWithWrappedException(h3, ex);
1440	>	checkCompletedWithWrappedException(h4, ex);
1441	>	checkCompletedWithWrappedException(h5, ex);
1442	>	checkCompletedExceptionally(f, ex);
1443	>	for (Noop r : rs) r.assertNotInvoked();
1444	>	}}
1445
1446		/**
1447	<	* thenRun result completes exceptionally if action does
1447	>	* thenRun result completes exceptionally if source cancelled
1448		*/
1449	<	public void testThenRun3() {
1450	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1451	<	FailingNoop r = new FailingNoop();
1452	<	CompletableFuture<Void> g = f.thenRun(r);
1453	<	f.complete(null);
1454	<	checkCompletedWithWrappedCFException(g);
1455	<	}
1449	>	public void testThenRun_sourceCancelled() {
1450	>	for (ExecutionMode m : ExecutionMode.values())
1451	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1452	>	{
1453	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1454	>	final Noop[] rs = new Noop[6];
1455	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1456	>
1457	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1458	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1459	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1460	>	checkIncomplete(h0);
1461	>	checkIncomplete(h1);
1462	>	checkIncomplete(h2);
1463	>	assertTrue(f.cancel(mayInterruptIfRunning));
1464	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1465	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1466	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1467	>
1468	>	checkCompletedWithWrappedCancellationException(h0);
1469	>	checkCompletedWithWrappedCancellationException(h1);
1470	>	checkCompletedWithWrappedCancellationException(h2);
1471	>	checkCompletedWithWrappedCancellationException(h3);
1472	>	checkCompletedWithWrappedCancellationException(h4);
1473	>	checkCompletedWithWrappedCancellationException(h5);
1474	>	checkCancelled(f);
1475	>	for (Noop r : rs) r.assertNotInvoked();
1476	>	}}
1477
1478		/**
1479	<	* thenRun result completes exceptionally if source cancelled
1479	>	* thenRun result completes exceptionally if action does
1480		*/
1481	<	public void testThenRun4() {
1482	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1483	<	Noop r = new Noop();
1484	<	CompletableFuture<Void> g = f.thenRun(r);
1485	<	assertTrue(f.cancel(true));
1486	<	checkCompletedWithWrappedCancellationException(g);
1487	<	}
1481	>	public void testThenRun_actionFailed() {
1482	>	for (ExecutionMode m : ExecutionMode.values())
1483	>	for (Integer v1 : new Integer[] { 1, null })
1484	>	{
1485	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1486	>	final FailingRunnable[] rs = new FailingRunnable[6];
1487	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1488	>
1489	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1490	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1491	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1492	>	assertTrue(f.complete(v1));
1493	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1494	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1495	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1496	>
1497	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1498	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1499	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1500	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1501	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1502	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1503	>	checkCompletedNormally(f, v1);
1504	>	}}
1505
1506		/**
1507		* thenApply result completes normally after normal completion of source
1508		*/
1509	<	public void testThenApply() {
1510	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1511	<	CompletableFuture<Integer> g = f.thenApply(inc);
1512	<	f.complete(one);
1513	<	checkCompletedNormally(g, two);
1514	<	}
1509	>	public void testThenApply_normalCompletion() {
1510	>	for (ExecutionMode m : ExecutionMode.values())
1511	>	for (Integer v1 : new Integer[] { 1, null })
1512	>	{
1513	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1514	>	final IncFunction[] rs = new IncFunction[4];
1515	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1516	>
1517	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1518	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1519	>	checkIncomplete(h0);
1520	>	checkIncomplete(h1);
1521	>	assertTrue(f.complete(v1));
1522	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1523	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedNormally(h0, inc(v1));
1526	>	checkCompletedNormally(h1, inc(v1));
1527	>	checkCompletedNormally(h2, inc(v1));
1528	>	checkCompletedNormally(h3, inc(v1));
1529	>	checkCompletedNormally(f, v1);
1530	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1531	>	}}
1532
1533		/**
1534		* thenApply result completes exceptionally after exceptional
1535		* completion of source
1536		*/
1537	<	public void testThenApply2() {
1538	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1539	<	CompletableFuture<Integer> g = f.thenApply(inc);
1540	<	f.completeExceptionally(new CFException());
1541	<	checkCompletedWithWrappedCFException(g);
1542	<	}
1537	>	public void testThenApply_exceptionalCompletion() {
1538	>	for (ExecutionMode m : ExecutionMode.values())
1539	>	{
1540	>	final CFException ex = new CFException();
1541	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1542	>	final IncFunction[] rs = new IncFunction[4];
1543	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1544	>
1545	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1546	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1547	>	assertTrue(f.completeExceptionally(ex));
1548	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1549	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1550	>
1551	>	checkCompletedWithWrappedException(h0, ex);
1552	>	checkCompletedWithWrappedException(h1, ex);
1553	>	checkCompletedWithWrappedException(h2, ex);
1554	>	checkCompletedWithWrappedException(h3, ex);
1555	>	checkCompletedExceptionally(f, ex);
1556	>	for (IncFunction r : rs) r.assertNotInvoked();
1557	>	}}
1558
1559		/**
1560	<	* thenApply result completes exceptionally if action does
1560	>	* thenApply result completes exceptionally if source cancelled
1561		*/
1562	<	public void testThenApply3() {
1563	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1564	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1565	<	f.complete(one);
1566	<	checkCompletedWithWrappedCFException(g);
1567	<	}
1562	>	public void testThenApply_sourceCancelled() {
1563	>	for (ExecutionMode m : ExecutionMode.values())
1564	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1565	>	{
1566	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1567	>	final IncFunction[] rs = new IncFunction[4];
1568	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1569	>
1570	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1571	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1572	>	assertTrue(f.cancel(mayInterruptIfRunning));
1573	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1574	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1575	>
1576	>	checkCompletedWithWrappedCancellationException(h0);
1577	>	checkCompletedWithWrappedCancellationException(h1);
1578	>	checkCompletedWithWrappedCancellationException(h2);
1579	>	checkCompletedWithWrappedCancellationException(h3);
1580	>	checkCancelled(f);
1581	>	for (IncFunction r : rs) r.assertNotInvoked();
1582	>	}}
1583
1584		/**
1585	<	* thenApply result completes exceptionally if source cancelled
1585	>	* thenApply result completes exceptionally if action does
1586		*/
1587	<	public void testThenApply4() {
1588	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1589	<	CompletableFuture<Integer> g = f.thenApply(inc);
1590	<	assertTrue(f.cancel(true));
1591	<	checkCompletedWithWrappedCancellationException(g);
1592	<	}
1587	>	public void testThenApply_actionFailed() {
1588	>	for (ExecutionMode m : ExecutionMode.values())
1589	>	for (Integer v1 : new Integer[] { 1, null })
1590	>	{
1591	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1592	>	final FailingFunction[] rs = new FailingFunction[4];
1593	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1594	>
1595	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1596	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1597	>	assertTrue(f.complete(v1));
1598	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1599	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1600	>
1601	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1602	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1603	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1604	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1605	>	checkCompletedNormally(f, v1);
1606	>	}}
1607
1608		/**
1609		* thenAccept result completes normally after normal completion of source
1610		*/
1611	<	public void testThenAccept() {
1612	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1613	<	IncAction r = new IncAction();
1614	<	CompletableFuture<Void> g = f.thenAccept(r);
1615	<	f.complete(one);
1616	<	checkCompletedNormally(g, null);
1617	<	assertEquals(r.value, 2);
1618	<	}
1611	>	public void testThenAccept_normalCompletion() {
1612	>	for (ExecutionMode m : ExecutionMode.values())
1613	>	for (Integer v1 : new Integer[] { 1, null })
1614	>	{
1615	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1616	>	final NoopConsumer[] rs = new NoopConsumer[4];
1617	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1618	>
1619	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1620	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1621	>	checkIncomplete(h0);
1622	>	checkIncomplete(h1);
1623	>	assertTrue(f.complete(v1));
1624	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1625	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1626	>
1627	>	checkCompletedNormally(h0, null);
1628	>	checkCompletedNormally(h1, null);
1629	>	checkCompletedNormally(h2, null);
1630	>	checkCompletedNormally(h3, null);
1631	>	checkCompletedNormally(f, v1);
1632	>	for (NoopConsumer r : rs) r.assertValue(v1);
1633	>	}}
1634
1635		/**
1636		* thenAccept result completes exceptionally after exceptional
1637		* completion of source
1638		*/
1639	<	public void testThenAccept2() {
1640	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1641	<	IncAction r = new IncAction();
1642	<	CompletableFuture<Void> g = f.thenAccept(r);
1643	<	f.completeExceptionally(new CFException());
1644	<	checkCompletedWithWrappedCFException(g);
1645	<	}
1646	<
1647	<	/**
1648	<	* thenAccept result completes exceptionally if action does
1649	<	*/
1650	<	public void testThenAccept3() {
1651	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1652	<	FailingConsumer r = new FailingConsumer();
1653	<	CompletableFuture<Void> g = f.thenAccept(r);
1654	<	f.complete(one);
1655	<	checkCompletedWithWrappedCFException(g);
1656	<	assertTrue(r.ran);
1657	<	}
1639	>	public void testThenAccept_exceptionalCompletion() {
1640	>	for (ExecutionMode m : ExecutionMode.values())
1641	>	{
1642	>	final CFException ex = new CFException();
1643	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1644	>	final NoopConsumer[] rs = new NoopConsumer[4];
1645	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1646	>
1647	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1648	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1649	>	assertTrue(f.completeExceptionally(ex));
1650	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1651	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1652	>
1653	>	checkCompletedWithWrappedException(h0, ex);
1654	>	checkCompletedWithWrappedException(h1, ex);
1655	>	checkCompletedWithWrappedException(h2, ex);
1656	>	checkCompletedWithWrappedException(h3, ex);
1657	>	checkCompletedExceptionally(f, ex);
1658	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1659	>	}}
1660
1661		/**
1662		* thenAccept result completes exceptionally if source cancelled
1663		*/
1664	<	public void testThenAccept4() {
1665	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1666	<	IncAction r = new IncAction();
1667	<	CompletableFuture<Void> g = f.thenAccept(r);
1668	<	assertTrue(f.cancel(true));
1669	<	checkCompletedWithWrappedCancellationException(g);
1670	<	}
1671	<
1664	>	public void testThenAccept_sourceCancelled() {
1665	>	for (ExecutionMode m : ExecutionMode.values())
1666	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1667	>	{
1668	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1669	>	final NoopConsumer[] rs = new NoopConsumer[4];
1670	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1671	>
1672	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1673	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1674	>	assertTrue(f.cancel(mayInterruptIfRunning));
1675	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1676	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1677	>
1678	>	checkCompletedWithWrappedCancellationException(h0);
1679	>	checkCompletedWithWrappedCancellationException(h1);
1680	>	checkCompletedWithWrappedCancellationException(h2);
1681	>	checkCompletedWithWrappedCancellationException(h3);
1682	>	checkCancelled(f);
1683	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1684	>	}}
1685
1686		/**
1687	<	* thenCombine result completes normally after normal completion of sources
1687	>	* thenAccept result completes exceptionally if action does
1688		*/
1689	<	public void testThenCombine() {
1690	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1691	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1692	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1693	<	f.complete(one);
1694	<	checkIncomplete(g);
1695	<	f2.complete(two);
1696	<	checkCompletedNormally(g, three);
1697	<
1698	<	f = new CompletableFuture<Integer>();
1699	<	f.complete(one);
1700	<	f2 = new CompletableFuture<Integer>();
1701	<	g = f.thenCombine(f2, add);
1702	<	checkIncomplete(g);
1703	<	f2.complete(two);
1704	<	checkCompletedNormally(g, three);
1705	<	}
1689	>	public void testThenAccept_actionFailed() {
1690	>	for (ExecutionMode m : ExecutionMode.values())
1691	>	for (Integer v1 : new Integer[] { 1, null })
1692	>	{
1693	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1694	>	final FailingConsumer[] rs = new FailingConsumer[4];
1695	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1696	>
1697	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1698	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1699	>	assertTrue(f.complete(v1));
1700	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1701	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1702	>
1703	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1704	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1705	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1706	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1707	>	checkCompletedNormally(f, v1);
1708	>	}}
1709	>
1710	>	/**
1711	>	* thenCombine result completes normally after normal completion
1712	>	* of sources
1713	>	*/
1714	>	public void testThenCombine_normalCompletion() {
1715	>	for (ExecutionMode m : ExecutionMode.values())
1716	>	for (boolean fFirst : new boolean[] { true, false })
1717	>	for (Integer v1 : new Integer[] { 1, null })
1718	>	for (Integer v2 : new Integer[] { 2, null })
1719	>	{
1720	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1721	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1722	>	final SubtractFunction[] rs = new SubtractFunction[6];
1723	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1724	>
1725	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1726	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1727	>	final Integer w1 =  fFirst ? v1 : v2;
1728	>	final Integer w2 = !fFirst ? v1 : v2;
1729	>
1730	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1731	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1732	>	assertTrue(fst.complete(w1));
1733	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1734	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1735	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1736	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1737	>	checkCompletedNormally(h1, subtract(w1, w1));
1738	>	checkCompletedNormally(h3, subtract(w1, w1));
1739	>	rs[1].assertValue(subtract(w1, w1));
1740	>	rs[3].assertValue(subtract(w1, w1));
1741	>	assertTrue(snd.complete(w2));
1742	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1743	>
1744	>	checkCompletedNormally(h0, subtract(v1, v2));
1745	>	checkCompletedNormally(h2, subtract(v1, v2));
1746	>	checkCompletedNormally(h4, subtract(v1, v2));
1747	>	rs[0].assertValue(subtract(v1, v2));
1748	>	rs[2].assertValue(subtract(v1, v2));
1749	>	rs[4].assertValue(subtract(v1, v2));
1750	>
1751	>	checkCompletedNormally(f, v1);
1752	>	checkCompletedNormally(g, v2);
1753	>	}}
1754
1755		/**
1756		* thenCombine result completes exceptionally after exceptional
1757		* completion of either source
1758		*/
1759	<	public void testThenCombine2() {
1760	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1761	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1762	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1763	<	f.completeExceptionally(new CFException());
1764	<	f2.complete(two);
1765	<	checkCompletedWithWrappedCFException(g);
1766	<
1767	<	f = new CompletableFuture<Integer>();
1768	<	f.complete(one);
1769	<	f2 = new CompletableFuture<Integer>();
1770	<	g = f.thenCombine(f2, add);
1771	<	f2.completeExceptionally(new CFException());
1772	<	checkCompletedWithWrappedCFException(g);
1773	<	}
1759	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1760	>	for (ExecutionMode m : ExecutionMode.values())
1761	>	for (boolean fFirst : new boolean[] { true, false })
1762	>	for (boolean failFirst : new boolean[] { true, false })
1763	>	for (Integer v1 : new Integer[] { 1, null })
1764	>	{
1765	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1766	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1767	>	final CFException ex = new CFException();
1768	>	final SubtractFunction r1 = new SubtractFunction(m);
1769	>	final SubtractFunction r2 = new SubtractFunction(m);
1770	>	final SubtractFunction r3 = new SubtractFunction(m);
1771	>
1772	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1773	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1774	>	final Callable<Boolean> complete1 = failFirst ?
1775	>	() -> fst.completeExceptionally(ex) :
1776	>	() -> fst.complete(v1);
1777	>	final Callable<Boolean> complete2 = failFirst ?
1778	>	() -> snd.complete(v1) :
1779	>	() -> snd.completeExceptionally(ex);
1780	>
1781	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1782	>	assertTrue(complete1.call());
1783	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1784	>	checkIncomplete(h1);
1785	>	checkIncomplete(h2);
1786	>	assertTrue(complete2.call());
1787	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1788	>
1789	>	checkCompletedWithWrappedException(h1, ex);
1790	>	checkCompletedWithWrappedException(h2, ex);
1791	>	checkCompletedWithWrappedException(h3, ex);
1792	>	r1.assertNotInvoked();
1793	>	r2.assertNotInvoked();
1794	>	r3.assertNotInvoked();
1795	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1796	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1797	>	}}
1798
1799		/**
1800	<	* thenCombine result completes exceptionally if action does
1800	>	* thenCombine result completes exceptionally if either source cancelled
1801		*/
1802	<	public void testThenCombine3() {
1803	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1804	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1805	<	FailingBiFunction r = new FailingBiFunction();
1806	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1807	<	f.complete(one);
1808	<	checkIncomplete(g);
1809	<	f2.complete(two);
1810	<	checkCompletedWithWrappedCFException(g);
1811	<	}
1802	>	public void testThenCombine_sourceCancelled() throws Throwable {
1803	>	for (ExecutionMode m : ExecutionMode.values())
1804	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1805	>	for (boolean fFirst : new boolean[] { true, false })
1806	>	for (boolean failFirst : new boolean[] { true, false })
1807	>	for (Integer v1 : new Integer[] { 1, null })
1808	>	{
1809	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1810	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1811	>	final SubtractFunction r1 = new SubtractFunction(m);
1812	>	final SubtractFunction r2 = new SubtractFunction(m);
1813	>	final SubtractFunction r3 = new SubtractFunction(m);
1814	>
1815	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1816	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1817	>	final Callable<Boolean> complete1 = failFirst ?
1818	>	() -> fst.cancel(mayInterruptIfRunning) :
1819	>	() -> fst.complete(v1);
1820	>	final Callable<Boolean> complete2 = failFirst ?
1821	>	() -> snd.complete(v1) :
1822	>	() -> snd.cancel(mayInterruptIfRunning);
1823	>
1824	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1825	>	assertTrue(complete1.call());
1826	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1827	>	checkIncomplete(h1);
1828	>	checkIncomplete(h2);
1829	>	assertTrue(complete2.call());
1830	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1831	>
1832	>	checkCompletedWithWrappedCancellationException(h1);
1833	>	checkCompletedWithWrappedCancellationException(h2);
1834	>	checkCompletedWithWrappedCancellationException(h3);
1835	>	r1.assertNotInvoked();
1836	>	r2.assertNotInvoked();
1837	>	r3.assertNotInvoked();
1838	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1839	>	checkCancelled(failFirst ? fst : snd);
1840	>	}}
1841
1842		/**
1843	<	* thenCombine result completes exceptionally if either source cancelled
1843	>	* thenCombine result completes exceptionally if action does
1844		*/
1845	<	public void testThenCombine4() {
1846	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1847	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1848	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1849	<	assertTrue(f.cancel(true));
1850	<	f2.complete(two);
1851	<	checkCompletedWithWrappedCancellationException(g);
1852	<	f = new CompletableFuture<Integer>();
1853	<	f2 = new CompletableFuture<Integer>();
1854	<	g = f.thenCombine(f2, add);
1855	<	f.complete(one);
1856	<	assertTrue(f2.cancel(true));
1857	<	checkCompletedWithWrappedCancellationException(g);
1858	<	}
1845	>	public void testThenCombine_actionFailed() {
1846	>	for (ExecutionMode m : ExecutionMode.values())
1847	>	for (boolean fFirst : new boolean[] { true, false })
1848	>	for (Integer v1 : new Integer[] { 1, null })
1849	>	for (Integer v2 : new Integer[] { 2, null })
1850	>	{
1851	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1852	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1853	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1854	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1855	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1856	>
1857	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1858	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1859	>	final Integer w1 =  fFirst ? v1 : v2;
1860	>	final Integer w2 = !fFirst ? v1 : v2;
1861	>
1862	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1863	>	assertTrue(fst.complete(w1));
1864	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1865	>	assertTrue(snd.complete(w2));
1866	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1867	>
1868	>	checkCompletedWithWrappedException(h1, r1.ex);
1869	>	checkCompletedWithWrappedException(h2, r2.ex);
1870	>	checkCompletedWithWrappedException(h3, r3.ex);
1871	>	r1.assertInvoked();
1872	>	r2.assertInvoked();
1873	>	r3.assertInvoked();
1874	>	checkCompletedNormally(f, v1);
1875	>	checkCompletedNormally(g, v2);
1876	>	}}
1877
1878		/**
1879		* thenAcceptBoth result completes normally after normal
1880		* completion of sources
1881		*/
1882	<	public void testThenAcceptBoth() {
1883	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1884	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1885	<	AddAction r = new AddAction();
1886	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1887	<	f.complete(one);
1888	<	checkIncomplete(g);
1889	<	f2.complete(two);
1890	<	checkCompletedNormally(g, null);
1891	<	assertEquals(r.value, 3);
1892	<
1893	<	r = new AddAction();
1894	<	f = new CompletableFuture<Integer>();
1895	<	f.complete(one);
1896	<	f2 = new CompletableFuture<Integer>();
1897	<	g = f.thenAcceptBoth(f2, r);
1898	<	checkIncomplete(g);
1899	<	f2.complete(two);
1900	<	checkCompletedNormally(g, null);
1901	<	assertEquals(r.value, 3);
1902	<	}
1882	>	public void testThenAcceptBoth_normalCompletion() {
1883	>	for (ExecutionMode m : ExecutionMode.values())
1884	>	for (boolean fFirst : new boolean[] { true, false })
1885	>	for (Integer v1 : new Integer[] { 1, null })
1886	>	for (Integer v2 : new Integer[] { 2, null })
1887	>	{
1888	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1889	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1890	>	final SubtractAction r1 = new SubtractAction(m);
1891	>	final SubtractAction r2 = new SubtractAction(m);
1892	>	final SubtractAction r3 = new SubtractAction(m);
1893	>
1894	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1895	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1896	>	final Integer w1 =  fFirst ? v1 : v2;
1897	>	final Integer w2 = !fFirst ? v1 : v2;
1898	>
1899	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1900	>	assertTrue(fst.complete(w1));
1901	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1902	>	checkIncomplete(h1);
1903	>	checkIncomplete(h2);
1904	>	r1.assertNotInvoked();
1905	>	r2.assertNotInvoked();
1906	>	assertTrue(snd.complete(w2));
1907	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1908	>
1909	>	checkCompletedNormally(h1, null);
1910	>	checkCompletedNormally(h2, null);
1911	>	checkCompletedNormally(h3, null);
1912	>	r1.assertValue(subtract(v1, v2));
1913	>	r2.assertValue(subtract(v1, v2));
1914	>	r3.assertValue(subtract(v1, v2));
1915	>	checkCompletedNormally(f, v1);
1916	>	checkCompletedNormally(g, v2);
1917	>	}}
1918
1919		/**
1920		* thenAcceptBoth result completes exceptionally after exceptional
1921		* completion of either source
1922		*/
1923	<	public void testThenAcceptBoth2() {
1924	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1925	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1926	<	AddAction r = new AddAction();
1927	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1928	<	f.completeExceptionally(new CFException());
1929	<	f2.complete(two);
1930	<	checkCompletedWithWrappedCFException(g);
1931	<
1932	<	r = new AddAction();
1933	<	f = new CompletableFuture<Integer>();
1934	<	f.complete(one);
1935	<	f2 = new CompletableFuture<Integer>();
1936	<	g = f.thenAcceptBoth(f2, r);
1937	<	f2.completeExceptionally(new CFException());
1938	<	checkCompletedWithWrappedCFException(g);
1939	<	}
1923	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1924	>	for (ExecutionMode m : ExecutionMode.values())
1925	>	for (boolean fFirst : new boolean[] { true, false })
1926	>	for (boolean failFirst : new boolean[] { true, false })
1927	>	for (Integer v1 : new Integer[] { 1, null })
1928	>	{
1929	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1930	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1931	>	final CFException ex = new CFException();
1932	>	final SubtractAction r1 = new SubtractAction(m);
1933	>	final SubtractAction r2 = new SubtractAction(m);
1934	>	final SubtractAction r3 = new SubtractAction(m);
1935	>
1936	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1937	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1938	>	final Callable<Boolean> complete1 = failFirst ?
1939	>	() -> fst.completeExceptionally(ex) :
1940	>	() -> fst.complete(v1);
1941	>	final Callable<Boolean> complete2 = failFirst ?
1942	>	() -> snd.complete(v1) :
1943	>	() -> snd.completeExceptionally(ex);
1944	>
1945	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1946	>	assertTrue(complete1.call());
1947	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1948	>	checkIncomplete(h1);
1949	>	checkIncomplete(h2);
1950	>	assertTrue(complete2.call());
1951	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1952	>
1953	>	checkCompletedWithWrappedException(h1, ex);
1954	>	checkCompletedWithWrappedException(h2, ex);
1955	>	checkCompletedWithWrappedException(h3, ex);
1956	>	r1.assertNotInvoked();
1957	>	r2.assertNotInvoked();
1958	>	r3.assertNotInvoked();
1959	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1960	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1961	>	}}
1962
1963		/**
1964	<	* thenAcceptBoth result completes exceptionally if action does
1964	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1965		*/
1966	<	public void testThenAcceptBoth3() {
1967	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1968	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1969	<	FailingBiConsumer r = new FailingBiConsumer();
1970	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1971	<	f.complete(one);
1972	<	checkIncomplete(g);
1973	<	f2.complete(two);
1974	<	checkCompletedWithWrappedCFException(g);
1975	<	}
1966	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1967	>	for (ExecutionMode m : ExecutionMode.values())
1968	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1969	>	for (boolean fFirst : new boolean[] { true, false })
1970	>	for (boolean failFirst : new boolean[] { true, false })
1971	>	for (Integer v1 : new Integer[] { 1, null })
1972	>	{
1973	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1974	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1975	>	final SubtractAction r1 = new SubtractAction(m);
1976	>	final SubtractAction r2 = new SubtractAction(m);
1977	>	final SubtractAction r3 = new SubtractAction(m);
1978	>
1979	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1980	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1981	>	final Callable<Boolean> complete1 = failFirst ?
1982	>	() -> fst.cancel(mayInterruptIfRunning) :
1983	>	() -> fst.complete(v1);
1984	>	final Callable<Boolean> complete2 = failFirst ?
1985	>	() -> snd.complete(v1) :
1986	>	() -> snd.cancel(mayInterruptIfRunning);
1987	>
1988	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1989	>	assertTrue(complete1.call());
1990	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1991	>	checkIncomplete(h1);
1992	>	checkIncomplete(h2);
1993	>	assertTrue(complete2.call());
1994	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1995	>
1996	>	checkCompletedWithWrappedCancellationException(h1);
1997	>	checkCompletedWithWrappedCancellationException(h2);
1998	>	checkCompletedWithWrappedCancellationException(h3);
1999	>	r1.assertNotInvoked();
2000	>	r2.assertNotInvoked();
2001	>	r3.assertNotInvoked();
2002	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2003	>	checkCancelled(failFirst ? fst : snd);
2004	>	}}
2005
2006		/**
2007	<	* thenAcceptBoth result completes exceptionally if either source cancelled
2007	>	* thenAcceptBoth result completes exceptionally if action does
2008		*/
2009	<	public void testThenAcceptBoth4() {
2010	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2011	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2012	<	AddAction r = new AddAction();
2013	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
2014	<	assertTrue(f.cancel(true));
2015	<	f2.complete(two);
2016	<	checkCompletedWithWrappedCancellationException(g);
2017	<	f = new CompletableFuture<Integer>();
2018	<	f2 = new CompletableFuture<Integer>();
2019	<	r = new AddAction();
2020	<	g = f.thenAcceptBoth(f2, r);
2021	<	f.complete(one);
2022	<	assertTrue(f2.cancel(true));
2023	<	checkCompletedWithWrappedCancellationException(g);
2024	<	}
2009	>	public void testThenAcceptBoth_actionFailed() {
2010	>	for (ExecutionMode m : ExecutionMode.values())
2011	>	for (boolean fFirst : new boolean[] { true, false })
2012	>	for (Integer v1 : new Integer[] { 1, null })
2013	>	for (Integer v2 : new Integer[] { 2, null })
2014	>	{
2015	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2016	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2017	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2018	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2019	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2020	>
2021	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2022	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2023	>	final Integer w1 =  fFirst ? v1 : v2;
2024	>	final Integer w2 = !fFirst ? v1 : v2;
2025	>
2026	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2027	>	assertTrue(fst.complete(w1));
2028	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2029	>	assertTrue(snd.complete(w2));
2030	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2031	>
2032	>	checkCompletedWithWrappedException(h1, r1.ex);
2033	>	checkCompletedWithWrappedException(h2, r2.ex);
2034	>	checkCompletedWithWrappedException(h3, r3.ex);
2035	>	r1.assertInvoked();
2036	>	r2.assertInvoked();
2037	>	r3.assertInvoked();
2038	>	checkCompletedNormally(f, v1);
2039	>	checkCompletedNormally(g, v2);
2040	>	}}
2041
2042		/**
2043		* runAfterBoth result completes normally after normal
2044		* completion of sources
2045		*/
2046	<	public void testRunAfterBoth() {
2047	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2048	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2049	<	Noop r = new Noop();
2050	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2051	<	f.complete(one);
2052	<	checkIncomplete(g);
2053	<	f2.complete(two);
2054	<	checkCompletedNormally(g, null);
2055	<	assertTrue(r.ran);
2056	<
2057	<	r = new Noop();
2058	<	f = new CompletableFuture<Integer>();
2059	<	f.complete(one);
2060	<	f2 = new CompletableFuture<Integer>();
2061	<	g = f.runAfterBoth(f2, r);
2062	<	checkIncomplete(g);
2063	<	f2.complete(two);
2064	<	checkCompletedNormally(g, null);
2065	<	assertTrue(r.ran);
2066	<	}
2046	>	public void testRunAfterBoth_normalCompletion() {
2047	>	for (ExecutionMode m : ExecutionMode.values())
2048	>	for (boolean fFirst : new boolean[] { true, false })
2049	>	for (Integer v1 : new Integer[] { 1, null })
2050	>	for (Integer v2 : new Integer[] { 2, null })
2051	>	{
2052	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2053	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2054	>	final Noop r1 = new Noop(m);
2055	>	final Noop r2 = new Noop(m);
2056	>	final Noop r3 = new Noop(m);
2057	>
2058	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2059	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2060	>	final Integer w1 =  fFirst ? v1 : v2;
2061	>	final Integer w2 = !fFirst ? v1 : v2;
2062	>
2063	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2064	>	assertTrue(fst.complete(w1));
2065	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2066	>	checkIncomplete(h1);
2067	>	checkIncomplete(h2);
2068	>	r1.assertNotInvoked();
2069	>	r2.assertNotInvoked();
2070	>	assertTrue(snd.complete(w2));
2071	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2072	>
2073	>	checkCompletedNormally(h1, null);
2074	>	checkCompletedNormally(h2, null);
2075	>	checkCompletedNormally(h3, null);
2076	>	r1.assertInvoked();
2077	>	r2.assertInvoked();
2078	>	r3.assertInvoked();
2079	>	checkCompletedNormally(f, v1);
2080	>	checkCompletedNormally(g, v2);
2081	>	}}
2082
2083		/**
2084		* runAfterBoth result completes exceptionally after exceptional
2085		* completion of either source
2086		*/
2087	<	public void testRunAfterBoth2() {
2088	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2089	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2090	<	Noop r = new Noop();
2091	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2092	<	f.completeExceptionally(new CFException());
2093	<	f2.complete(two);
2094	<	checkCompletedWithWrappedCFException(g);
2095	<
2096	<	r = new Noop();
2097	<	f = new CompletableFuture<Integer>();
2098	<	f.complete(one);
2099	<	f2 = new CompletableFuture<Integer>();
2100	<	g = f.runAfterBoth(f2, r);
2101	<	f2.completeExceptionally(new CFException());
2102	<	checkCompletedWithWrappedCFException(g);
2103	<	}
2087	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2088	>	for (ExecutionMode m : ExecutionMode.values())
2089	>	for (boolean fFirst : new boolean[] { true, false })
2090	>	for (boolean failFirst : new boolean[] { true, false })
2091	>	for (Integer v1 : new Integer[] { 1, null })
2092	>	{
2093	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2094	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2095	>	final CFException ex = new CFException();
2096	>	final Noop r1 = new Noop(m);
2097	>	final Noop r2 = new Noop(m);
2098	>	final Noop r3 = new Noop(m);
2099	>
2100	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2101	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2102	>	final Callable<Boolean> complete1 = failFirst ?
2103	>	() -> fst.completeExceptionally(ex) :
2104	>	() -> fst.complete(v1);
2105	>	final Callable<Boolean> complete2 = failFirst ?
2106	>	() -> snd.complete(v1) :
2107	>	() -> snd.completeExceptionally(ex);
2108	>
2109	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2110	>	assertTrue(complete1.call());
2111	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2112	>	checkIncomplete(h1);
2113	>	checkIncomplete(h2);
2114	>	assertTrue(complete2.call());
2115	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2116	>
2117	>	checkCompletedWithWrappedException(h1, ex);
2118	>	checkCompletedWithWrappedException(h2, ex);
2119	>	checkCompletedWithWrappedException(h3, ex);
2120	>	r1.assertNotInvoked();
2121	>	r2.assertNotInvoked();
2122	>	r3.assertNotInvoked();
2123	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2124	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2125	>	}}
2126
2127		/**
2128	<	* runAfterBoth result completes exceptionally if action does
2128	>	* runAfterBoth result completes exceptionally if either source cancelled
2129		*/
2130	<	public void testRunAfterBoth3() {
2131	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2132	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2133	<	FailingNoop r = new FailingNoop();
2134	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2135	<	f.complete(one);
2136	<	checkIncomplete(g);
2137	<	f2.complete(two);
2138	<	checkCompletedWithWrappedCFException(g);
2139	<	}
2130	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2131	>	for (ExecutionMode m : ExecutionMode.values())
2132	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2133	>	for (boolean fFirst : new boolean[] { true, false })
2134	>	for (boolean failFirst : new boolean[] { true, false })
2135	>	for (Integer v1 : new Integer[] { 1, null })
2136	>	{
2137	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2138	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	>	final Noop r1 = new Noop(m);
2140	>	final Noop r2 = new Noop(m);
2141	>	final Noop r3 = new Noop(m);
2142	>
2143	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2144	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2145	>	final Callable<Boolean> complete1 = failFirst ?
2146	>	() -> fst.cancel(mayInterruptIfRunning) :
2147	>	() -> fst.complete(v1);
2148	>	final Callable<Boolean> complete2 = failFirst ?
2149	>	() -> snd.complete(v1) :
2150	>	() -> snd.cancel(mayInterruptIfRunning);
2151	>
2152	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2153	>	assertTrue(complete1.call());
2154	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2155	>	checkIncomplete(h1);
2156	>	checkIncomplete(h2);
2157	>	assertTrue(complete2.call());
2158	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2159	>
2160	>	checkCompletedWithWrappedCancellationException(h1);
2161	>	checkCompletedWithWrappedCancellationException(h2);
2162	>	checkCompletedWithWrappedCancellationException(h3);
2163	>	r1.assertNotInvoked();
2164	>	r2.assertNotInvoked();
2165	>	r3.assertNotInvoked();
2166	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2167	>	checkCancelled(failFirst ? fst : snd);
2168	>	}}
2169
2170		/**
2171	<	* runAfterBoth result completes exceptionally if either source cancelled
2171	>	* runAfterBoth result completes exceptionally if action does
2172		*/
2173	<	public void testRunAfterBoth4() {
2174	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2175	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2176	<	Noop r = new Noop();
2177	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2178	<	assertTrue(f.cancel(true));
2179	<	f2.complete(two);
2180	<	checkCompletedWithWrappedCancellationException(g);
2181	<	f = new CompletableFuture<Integer>();
2182	<	f2 = new CompletableFuture<Integer>();
2183	<	r = new Noop();
2184	<	g = f.runAfterBoth(f2, r);
2185	<	f.complete(one);
2186	<	assertTrue(f2.cancel(true));
2187	<	checkCompletedWithWrappedCancellationException(g);
2188	<	}
2173	>	public void testRunAfterBoth_actionFailed() {
2174	>	for (ExecutionMode m : ExecutionMode.values())
2175	>	for (boolean fFirst : new boolean[] { true, false })
2176	>	for (Integer v1 : new Integer[] { 1, null })
2177	>	for (Integer v2 : new Integer[] { 2, null })
2178	>	{
2179	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2180	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2181	>	final FailingRunnable r1 = new FailingRunnable(m);
2182	>	final FailingRunnable r2 = new FailingRunnable(m);
2183	>	final FailingRunnable r3 = new FailingRunnable(m);
2184	>
2185	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2186	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2187	>	final Integer w1 =  fFirst ? v1 : v2;
2188	>	final Integer w2 = !fFirst ? v1 : v2;
2189	>
2190	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2191	>	assertTrue(fst.complete(w1));
2192	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2193	>	assertTrue(snd.complete(w2));
2194	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2195	>
2196	>	checkCompletedWithWrappedException(h1, r1.ex);
2197	>	checkCompletedWithWrappedException(h2, r2.ex);
2198	>	checkCompletedWithWrappedException(h3, r3.ex);
2199	>	r1.assertInvoked();
2200	>	r2.assertInvoked();
2201	>	r3.assertInvoked();
2202	>	checkCompletedNormally(f, v1);
2203	>	checkCompletedNormally(g, v2);
2204	>	}}
2205
2206		/**
2207		* applyToEither result completes normally after normal completion
2208		* of either source
2209		*/
2210	<	public void testApplyToEither() {
2211	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2212	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2213	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2214	<	f.complete(one);
2215	<	checkCompletedNormally(g, two);
2216	<	f2.complete(one);
2217	<	checkCompletedNormally(g, two);
2218	<
2219	<	f = new CompletableFuture<Integer>();
2220	<	f.complete(one);
2221	<	f2 = new CompletableFuture<Integer>();
2222	<	g = f.applyToEither(f2, inc);
2223	<	checkCompletedNormally(g, two);
2224	<	}
2210	>	public void testApplyToEither_normalCompletion() {
2211	>	for (ExecutionMode m : ExecutionMode.values())
2212	>	for (Integer v1 : new Integer[] { 1, null })
2213	>	for (Integer v2 : new Integer[] { 2, null })
2214	>	{
2215	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2216	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2217	>	final IncFunction[] rs = new IncFunction[6];
2218	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2219	>
2220	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2221	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2222	>	checkIncomplete(h0);
2223	>	checkIncomplete(h1);
2224	>	rs[0].assertNotInvoked();
2225	>	rs[1].assertNotInvoked();
2226	>	f.complete(v1);
2227	>	checkCompletedNormally(h0, inc(v1));
2228	>	checkCompletedNormally(h1, inc(v1));
2229	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2230	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2231	>	checkCompletedNormally(h2, inc(v1));
2232	>	checkCompletedNormally(h3, inc(v1));
2233	>	g.complete(v2);
2234	>
2235	>	// unspecified behavior - both source completions available
2236	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2237	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2238	>	rs[4].assertValue(h4.join());
2239	>	rs[5].assertValue(h5.join());
2240	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2241	>	Objects.equals(inc(v2), h4.join()));
2242	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2243	>	Objects.equals(inc(v2), h5.join()));
2244	>
2245	>	checkCompletedNormally(f, v1);
2246	>	checkCompletedNormally(g, v2);
2247	>	checkCompletedNormally(h0, inc(v1));
2248	>	checkCompletedNormally(h1, inc(v1));
2249	>	checkCompletedNormally(h2, inc(v1));
2250	>	checkCompletedNormally(h3, inc(v1));
2251	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2252	>	}}
2253
2254		/**
2255		* applyToEither result completes exceptionally after exceptional
2256		* completion of either source
2257		*/
2258	<	public void testApplyToEither2() {
2259	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2260	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2261	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2262	<	f.completeExceptionally(new CFException());
2263	<	f2.complete(one);
2264	<	checkCompletedWithWrappedCFException(g);
2258	>	public void testApplyToEither_exceptionalCompletion() {
2259	>	for (ExecutionMode m : ExecutionMode.values())
2260	>	for (Integer v1 : new Integer[] { 1, null })
2261	>	{
2262	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2263	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2264	>	final CFException ex = new CFException();
2265	>	final IncFunction[] rs = new IncFunction[6];
2266	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2267	>
2268	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2269	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2270	>	checkIncomplete(h0);
2271	>	checkIncomplete(h1);
2272	>	rs[0].assertNotInvoked();
2273	>	rs[1].assertNotInvoked();
2274	>	f.completeExceptionally(ex);
2275	>	checkCompletedWithWrappedException(h0, ex);
2276	>	checkCompletedWithWrappedException(h1, ex);
2277	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2278	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2279	>	checkCompletedWithWrappedException(h2, ex);
2280	>	checkCompletedWithWrappedException(h3, ex);
2281	>	g.complete(v1);
2282	>
2283	>	// unspecified behavior - both source completions available
2284	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2285	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2286	>	try {
2287	>	assertEquals(inc(v1), h4.join());
2288	>	rs[4].assertValue(inc(v1));
2289	>	} catch (CompletionException ok) {
2290	>	checkCompletedWithWrappedException(h4, ex);
2291	>	rs[4].assertNotInvoked();
2292	>	}
2293	>	try {
2294	>	assertEquals(inc(v1), h5.join());
2295	>	rs[5].assertValue(inc(v1));
2296	>	} catch (CompletionException ok) {
2297	>	checkCompletedWithWrappedException(h5, ex);
2298	>	rs[5].assertNotInvoked();
2299	>	}
2300
2301	<	f = new CompletableFuture<Integer>();
2302	<	f2 = new CompletableFuture<Integer>();
2303	<	f2.completeExceptionally(new CFException());
2304	<	g = f.applyToEither(f2, inc);
2305	<	checkCompletedWithWrappedCFException(g);
2306	<	}
2301	>	checkCompletedExceptionally(f, ex);
2302	>	checkCompletedNormally(g, v1);
2303	>	checkCompletedWithWrappedException(h0, ex);
2304	>	checkCompletedWithWrappedException(h1, ex);
2305	>	checkCompletedWithWrappedException(h2, ex);
2306	>	checkCompletedWithWrappedException(h3, ex);
2307	>	checkCompletedWithWrappedException(h4, ex);
2308	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2309	>	}}
2310	>
2311	>	public void testApplyToEither_exceptionalCompletion2() {
2312	>	for (ExecutionMode m : ExecutionMode.values())
2313	>	for (boolean fFirst : new boolean[] { true, false })
2314	>	for (Integer v1 : new Integer[] { 1, null })
2315	>	{
2316	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2317	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2318	>	final CFException ex = new CFException();
2319	>	final IncFunction[] rs = new IncFunction[6];
2320	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2321	>
2322	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2323	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2324	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2325	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2326	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2327	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2328
2329	<	/**
2330	<	* applyToEither result completes exceptionally if action does
2331	<	*/
2332	<	public void testApplyToEither3() {
2333	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2334	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2335	<	FailingFunction r = new FailingFunction();
2336	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2337	<	f2.complete(two);
2338	<	checkCompletedWithWrappedCFException(g);
2339	<	}
2329	>	// unspecified behavior - both source completions available
2330	>	try {
2331	>	assertEquals(inc(v1), h0.join());
2332	>	rs[0].assertValue(inc(v1));
2333	>	} catch (CompletionException ok) {
2334	>	checkCompletedWithWrappedException(h0, ex);
2335	>	rs[0].assertNotInvoked();
2336	>	}
2337	>	try {
2338	>	assertEquals(inc(v1), h1.join());
2339	>	rs[1].assertValue(inc(v1));
2340	>	} catch (CompletionException ok) {
2341	>	checkCompletedWithWrappedException(h1, ex);
2342	>	rs[1].assertNotInvoked();
2343	>	}
2344	>	try {
2345	>	assertEquals(inc(v1), h2.join());
2346	>	rs[2].assertValue(inc(v1));
2347	>	} catch (CompletionException ok) {
2348	>	checkCompletedWithWrappedException(h2, ex);
2349	>	rs[2].assertNotInvoked();
2350	>	}
2351	>	try {
2352	>	assertEquals(inc(v1), h3.join());
2353	>	rs[3].assertValue(inc(v1));
2354	>	} catch (CompletionException ok) {
2355	>	checkCompletedWithWrappedException(h3, ex);
2356	>	rs[3].assertNotInvoked();
2357	>	}
2358
2359	<	/**
2360	<	* applyToEither result completes exceptionally if either source cancelled
2361	<	*/
892	<	public void testApplyToEither4() {
893	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
894	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
895	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
896	<	assertTrue(f.cancel(true));
897	<	checkCompletedWithWrappedCancellationException(g);
898	<	f = new CompletableFuture<Integer>();
899	<	f2 = new CompletableFuture<Integer>();
900	<	assertTrue(f2.cancel(true));
901	<	checkCompletedWithWrappedCancellationException(g);
902	<	}
2359	>	checkCompletedNormally(f, v1);
2360	>	checkCompletedExceptionally(g, ex);
2361	>	}}
2362
2363		/**
2364	<	* acceptEither result completes normally after normal completion
906	<	* of either source
2364	>	* applyToEither result completes exceptionally if either source cancelled
2365		*/
2366	<	public void testAcceptEither() {
2367	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2368	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2369	<	IncAction r = new IncAction();
2370	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2371	<	f.complete(one);
2372	<	checkCompletedNormally(g, null);
2373	<	f2.complete(one);
2374	<	checkCompletedNormally(g, null);
2375	<	assertEquals(r.value, 2);
2376	<
2377	<	r = new IncAction();
2378	<	f = new CompletableFuture<Integer>();
2379	<	f.complete(one);
2380	<	f2 = new CompletableFuture<Integer>();
2381	<	g = f.acceptEither(f2, r);
2382	<	checkCompletedNormally(g, null);
2383	<	assertEquals(r.value, 2);
2384	<	}
2366	>	public void testApplyToEither_sourceCancelled() {
2367	>	for (ExecutionMode m : ExecutionMode.values())
2368	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2369	>	for (Integer v1 : new Integer[] { 1, null })
2370	>	{
2371	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2372	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2373	>	final IncFunction[] rs = new IncFunction[6];
2374	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2375	>
2376	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2377	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2378	>	checkIncomplete(h0);
2379	>	checkIncomplete(h1);
2380	>	rs[0].assertNotInvoked();
2381	>	rs[1].assertNotInvoked();
2382	>	f.cancel(mayInterruptIfRunning);
2383	>	checkCompletedWithWrappedCancellationException(h0);
2384	>	checkCompletedWithWrappedCancellationException(h1);
2385	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2386	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2387	>	checkCompletedWithWrappedCancellationException(h2);
2388	>	checkCompletedWithWrappedCancellationException(h3);
2389	>	g.complete(v1);
2390	>
2391	>	// unspecified behavior - both source completions available
2392	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2393	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2394	>	try {
2395	>	assertEquals(inc(v1), h4.join());
2396	>	rs[4].assertValue(inc(v1));
2397	>	} catch (CompletionException ok) {
2398	>	checkCompletedWithWrappedCancellationException(h4);
2399	>	rs[4].assertNotInvoked();
2400	>	}
2401	>	try {
2402	>	assertEquals(inc(v1), h5.join());
2403	>	rs[5].assertValue(inc(v1));
2404	>	} catch (CompletionException ok) {
2405	>	checkCompletedWithWrappedCancellationException(h5);
2406	>	rs[5].assertNotInvoked();
2407	>	}
2408
2409	<	/**
2410	<	* acceptEither result completes exceptionally after exceptional
2411	<	* completion of either source
2412	<	*/
2413	<	public void testAcceptEither2() {
2414	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2415	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2416	<	IncAction r = new IncAction();
2417	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2418	<	f.completeExceptionally(new CFException());
2419	<	f2.complete(one);
2420	<	checkCompletedWithWrappedCFException(g);
2409	>	checkCancelled(f);
2410	>	checkCompletedNormally(g, v1);
2411	>	checkCompletedWithWrappedCancellationException(h0);
2412	>	checkCompletedWithWrappedCancellationException(h1);
2413	>	checkCompletedWithWrappedCancellationException(h2);
2414	>	checkCompletedWithWrappedCancellationException(h3);
2415	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2416	>	}}
2417	>
2418	>	public void testApplyToEither_sourceCancelled2() {
2419	>	for (ExecutionMode m : ExecutionMode.values())
2420	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2421	>	for (boolean fFirst : new boolean[] { true, false })
2422	>	for (Integer v1 : new Integer[] { 1, null })
2423	>	{
2424	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2425	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2426	>	final IncFunction[] rs = new IncFunction[6];
2427	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2428	>
2429	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2430	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2431	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2432	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2433	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2434	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2435
2436	<	r = new IncAction();
2437	<	f = new CompletableFuture<Integer>();
2438	<	f2 = new CompletableFuture<Integer>();
2439	<	f2.completeExceptionally(new CFException());
2440	<	g = f.acceptEither(f2, r);
2441	<	checkCompletedWithWrappedCFException(g);
2442	<	}
2436	>	// unspecified behavior - both source completions available
2437	>	try {
2438	>	assertEquals(inc(v1), h0.join());
2439	>	rs[0].assertValue(inc(v1));
2440	>	} catch (CompletionException ok) {
2441	>	checkCompletedWithWrappedCancellationException(h0);
2442	>	rs[0].assertNotInvoked();
2443	>	}
2444	>	try {
2445	>	assertEquals(inc(v1), h1.join());
2446	>	rs[1].assertValue(inc(v1));
2447	>	} catch (CompletionException ok) {
2448	>	checkCompletedWithWrappedCancellationException(h1);
2449	>	rs[1].assertNotInvoked();
2450	>	}
2451	>	try {
2452	>	assertEquals(inc(v1), h2.join());
2453	>	rs[2].assertValue(inc(v1));
2454	>	} catch (CompletionException ok) {
2455	>	checkCompletedWithWrappedCancellationException(h2);
2456	>	rs[2].assertNotInvoked();
2457	>	}
2458	>	try {
2459	>	assertEquals(inc(v1), h3.join());
2460	>	rs[3].assertValue(inc(v1));
2461	>	} catch (CompletionException ok) {
2462	>	checkCompletedWithWrappedCancellationException(h3);
2463	>	rs[3].assertNotInvoked();
2464	>	}
2465
2466	<	/**
2467	<	* acceptEither result completes exceptionally if action does
2468	<	*/
952	<	public void testAcceptEither3() {
953	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
954	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
955	<	FailingConsumer r = new FailingConsumer();
956	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
957	<	f2.complete(two);
958	<	checkCompletedWithWrappedCFException(g);
959	<	}
2466	>	checkCompletedNormally(f, v1);
2467	>	checkCancelled(g);
2468	>	}}
2469
2470		/**
2471	<	* acceptEither result completes exceptionally if either source cancelled
2471	>	* applyToEither result completes exceptionally if action does
2472		*/
2473	<	public void testAcceptEither4() {
2474	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2475	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2476	<	IncAction r = new IncAction();
2477	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2478	<	assertTrue(f.cancel(true));
2479	<	checkCompletedWithWrappedCancellationException(g);
2480	<	f = new CompletableFuture<Integer>();
2481	<	f2 = new CompletableFuture<Integer>();
2482	<	assertTrue(f2.cancel(true));
2483	<	checkCompletedWithWrappedCancellationException(g);
2484	<	}
2485	<
2473	>	public void testApplyToEither_actionFailed() {
2474	>	for (ExecutionMode m : ExecutionMode.values())
2475	>	for (Integer v1 : new Integer[] { 1, null })
2476	>	for (Integer v2 : new Integer[] { 2, null })
2477	>	{
2478	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2479	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2480	>	final FailingFunction[] rs = new FailingFunction[6];
2481	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2482	>
2483	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2484	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2485	>	f.complete(v1);
2486	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2487	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2488	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2489	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2490	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2491	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2492	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2493	>
2494	>	g.complete(v2);
2495	>
2496	>	// unspecified behavior - both source completions available
2497	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2498	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2499	>
2500	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2501	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2502	>	Objects.equals(v2, rs[4].value));
2503	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2504	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2505	>	Objects.equals(v2, rs[5].value));
2506	>
2507	>	checkCompletedNormally(f, v1);
2508	>	checkCompletedNormally(g, v2);
2509	>	}}
2510
2511		/**
2512	<	* runAfterEither result completes normally after normal completion
2512	>	* acceptEither result completes normally after normal completion
2513		* of either source
2514		*/
2515	<	public void testRunAfterEither() {
2516	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2517	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2518	<	Noop r = new Noop();
2519	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2520	<	f.complete(one);
2521	<	checkCompletedNormally(g, null);
2522	<	f2.complete(one);
2523	<	checkCompletedNormally(g, null);
2524	<	assertTrue(r.ran);
2525	<
2526	<	r = new Noop();
2527	<	f = new CompletableFuture<Integer>();
2528	<	f.complete(one);
2529	<	f2 = new CompletableFuture<Integer>();
2530	<	g = f.runAfterEither(f2, r);
2531	<	checkCompletedNormally(g, null);
2532	<	assertTrue(r.ran);
2533	<	}
2515	>	public void testAcceptEither_normalCompletion() {
2516	>	for (ExecutionMode m : ExecutionMode.values())
2517	>	for (Integer v1 : new Integer[] { 1, null })
2518	>	for (Integer v2 : new Integer[] { 2, null })
2519	>	{
2520	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2521	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2522	>	final NoopConsumer[] rs = new NoopConsumer[6];
2523	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2524	>
2525	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2526	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2527	>	checkIncomplete(h0);
2528	>	checkIncomplete(h1);
2529	>	rs[0].assertNotInvoked();
2530	>	rs[1].assertNotInvoked();
2531	>	f.complete(v1);
2532	>	checkCompletedNormally(h0, null);
2533	>	checkCompletedNormally(h1, null);
2534	>	rs[0].assertValue(v1);
2535	>	rs[1].assertValue(v1);
2536	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2537	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2538	>	checkCompletedNormally(h2, null);
2539	>	checkCompletedNormally(h3, null);
2540	>	rs[2].assertValue(v1);
2541	>	rs[3].assertValue(v1);
2542	>	g.complete(v2);
2543	>
2544	>	// unspecified behavior - both source completions available
2545	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2546	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2547	>	checkCompletedNormally(h4, null);
2548	>	checkCompletedNormally(h5, null);
2549	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2550	>	Objects.equals(v2, rs[4].value));
2551	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2552	>	Objects.equals(v2, rs[5].value));
2553	>
2554	>	checkCompletedNormally(f, v1);
2555	>	checkCompletedNormally(g, v2);
2556	>	checkCompletedNormally(h0, null);
2557	>	checkCompletedNormally(h1, null);
2558	>	checkCompletedNormally(h2, null);
2559	>	checkCompletedNormally(h3, null);
2560	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2561	>	}}
2562
2563		/**
2564	<	* runAfterEither result completes exceptionally after exceptional
2564	>	* acceptEither result completes exceptionally after exceptional
2565		* completion of either source
2566		*/
2567	<	public void testRunAfterEither2() {
2568	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2569	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2570	<	Noop r = new Noop();
2571	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2572	<	f.completeExceptionally(new CFException());
2573	<	f2.complete(one);
2574	<	checkCompletedWithWrappedCFException(g);
2567	>	public void testAcceptEither_exceptionalCompletion() {
2568	>	for (ExecutionMode m : ExecutionMode.values())
2569	>	for (Integer v1 : new Integer[] { 1, null })
2570	>	{
2571	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2572	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2573	>	final CFException ex = new CFException();
2574	>	final NoopConsumer[] rs = new NoopConsumer[6];
2575	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2576	>
2577	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2578	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2579	>	checkIncomplete(h0);
2580	>	checkIncomplete(h1);
2581	>	rs[0].assertNotInvoked();
2582	>	rs[1].assertNotInvoked();
2583	>	f.completeExceptionally(ex);
2584	>	checkCompletedWithWrappedException(h0, ex);
2585	>	checkCompletedWithWrappedException(h1, ex);
2586	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2587	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2588	>	checkCompletedWithWrappedException(h2, ex);
2589	>	checkCompletedWithWrappedException(h3, ex);
2590	>
2591	>	g.complete(v1);
2592	>
2593	>	// unspecified behavior - both source completions available
2594	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2595	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2596	>	try {
2597	>	assertNull(h4.join());
2598	>	rs[4].assertValue(v1);
2599	>	} catch (CompletionException ok) {
2600	>	checkCompletedWithWrappedException(h4, ex);
2601	>	rs[4].assertNotInvoked();
2602	>	}
2603	>	try {
2604	>	assertNull(h5.join());
2605	>	rs[5].assertValue(v1);
2606	>	} catch (CompletionException ok) {
2607	>	checkCompletedWithWrappedException(h5, ex);
2608	>	rs[5].assertNotInvoked();
2609	>	}
2610
2611	<	r = new Noop();
2612	<	f = new CompletableFuture<Integer>();
2613	<	f2 = new CompletableFuture<Integer>();
2614	<	f2.completeExceptionally(new CFException());
2615	<	g = f.runAfterEither(f2, r);
2616	<	checkCompletedWithWrappedCFException(g);
2617	<	}
2611	>	checkCompletedExceptionally(f, ex);
2612	>	checkCompletedNormally(g, v1);
2613	>	checkCompletedWithWrappedException(h0, ex);
2614	>	checkCompletedWithWrappedException(h1, ex);
2615	>	checkCompletedWithWrappedException(h2, ex);
2616	>	checkCompletedWithWrappedException(h3, ex);
2617	>	checkCompletedWithWrappedException(h4, ex);
2618	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2619	>	}}
2620	>
2621	>	public void testAcceptEither_exceptionalCompletion2() {
2622	>	for (ExecutionMode m : ExecutionMode.values())
2623	>	for (boolean fFirst : new boolean[] { true, false })
2624	>	for (Integer v1 : new Integer[] { 1, null })
2625	>	{
2626	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2627	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2628	>	final CFException ex = new CFException();
2629	>	final NoopConsumer[] rs = new NoopConsumer[6];
2630	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2631	>
2632	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2633	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2634	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2635	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2636	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2637	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2638
2639	<	/**
2640	<	* runAfterEither result completes exceptionally if action does
2641	<	*/
2642	<	public void testRunAfterEither3() {
2643	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2644	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2645	<	FailingNoop r = new FailingNoop();
2646	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2647	<	f2.complete(two);
2648	<	checkCompletedWithWrappedCFException(g);
2649	<	}
2639	>	// unspecified behavior - both source completions available
2640	>	try {
2641	>	assertNull(h0.join());
2642	>	rs[0].assertValue(v1);
2643	>	} catch (CompletionException ok) {
2644	>	checkCompletedWithWrappedException(h0, ex);
2645	>	rs[0].assertNotInvoked();
2646	>	}
2647	>	try {
2648	>	assertNull(h1.join());
2649	>	rs[1].assertValue(v1);
2650	>	} catch (CompletionException ok) {
2651	>	checkCompletedWithWrappedException(h1, ex);
2652	>	rs[1].assertNotInvoked();
2653	>	}
2654	>	try {
2655	>	assertNull(h2.join());
2656	>	rs[2].assertValue(v1);
2657	>	} catch (CompletionException ok) {
2658	>	checkCompletedWithWrappedException(h2, ex);
2659	>	rs[2].assertNotInvoked();
2660	>	}
2661	>	try {
2662	>	assertNull(h3.join());
2663	>	rs[3].assertValue(v1);
2664	>	} catch (CompletionException ok) {
2665	>	checkCompletedWithWrappedException(h3, ex);
2666	>	rs[3].assertNotInvoked();
2667	>	}
2668
2669	<	/**
2670	<	* runAfterEither result completes exceptionally if either source cancelled
2671	<	*/
1038	<	public void testRunAfterEither4() {
1039	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1040	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1041	<	Noop r = new Noop();
1042	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1043	<	assertTrue(f.cancel(true));
1044	<	checkCompletedWithWrappedCancellationException(g);
1045	<	f = new CompletableFuture<Integer>();
1046	<	f2 = new CompletableFuture<Integer>();
1047	<	assertTrue(f2.cancel(true));
1048	<	checkCompletedWithWrappedCancellationException(g);
1049	<	}
2669	>	checkCompletedNormally(f, v1);
2670	>	checkCompletedExceptionally(g, ex);
2671	>	}}
2672
2673		/**
2674	<	* thenCompose result completes normally after normal completion of source
2674	>	* acceptEither result completes exceptionally if either source cancelled
2675		*/
2676	<	public void testThenCompose() {
2677	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2678	<	CompletableFutureInc r = new CompletableFutureInc();
2679	<	CompletableFuture<Integer> g = f.thenCompose(r);
2680	<	f.complete(one);
2681	<	checkCompletedNormally(g, two);
2682	<	}
2676	>	public void testAcceptEither_sourceCancelled() {
2677	>	for (ExecutionMode m : ExecutionMode.values())
2678	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2679	>	for (Integer v1 : new Integer[] { 1, null })
2680	>	{
2681	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2682	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2683	>	final NoopConsumer[] rs = new NoopConsumer[6];
2684	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2685	>
2686	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2687	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2688	>	checkIncomplete(h0);
2689	>	checkIncomplete(h1);
2690	>	rs[0].assertNotInvoked();
2691	>	rs[1].assertNotInvoked();
2692	>	f.cancel(mayInterruptIfRunning);
2693	>	checkCompletedWithWrappedCancellationException(h0);
2694	>	checkCompletedWithWrappedCancellationException(h1);
2695	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2696	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2697	>	checkCompletedWithWrappedCancellationException(h2);
2698	>	checkCompletedWithWrappedCancellationException(h3);
2699	>
2700	>	g.complete(v1);
2701	>
2702	>	// unspecified behavior - both source completions available
2703	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2704	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2705	>	try {
2706	>	assertNull(h4.join());
2707	>	rs[4].assertValue(v1);
2708	>	} catch (CompletionException ok) {
2709	>	checkCompletedWithWrappedCancellationException(h4);
2710	>	rs[4].assertNotInvoked();
2711	>	}
2712	>	try {
2713	>	assertNull(h5.join());
2714	>	rs[5].assertValue(v1);
2715	>	} catch (CompletionException ok) {
2716	>	checkCompletedWithWrappedCancellationException(h5);
2717	>	rs[5].assertNotInvoked();
2718	>	}
2719
2720	<	/**
2721	<	* thenCompose result completes exceptionally after exceptional
2722	<	* completion of source
2723	<	*/
2724	<	public void testThenCompose2() {
2725	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2726	<	CompletableFutureInc r = new CompletableFutureInc();
2727	<	CompletableFuture<Integer> g = f.thenCompose(r);
1070	<	f.completeExceptionally(new CFException());
1071	<	checkCompletedWithWrappedCFException(g);
1072	<	}
2720	>	checkCancelled(f);
2721	>	checkCompletedNormally(g, v1);
2722	>	checkCompletedWithWrappedCancellationException(h0);
2723	>	checkCompletedWithWrappedCancellationException(h1);
2724	>	checkCompletedWithWrappedCancellationException(h2);
2725	>	checkCompletedWithWrappedCancellationException(h3);
2726	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2727	>	}}
2728
2729		/**
2730	<	* thenCompose result completes exceptionally if action does
2730	>	* acceptEither result completes exceptionally if action does
2731		*/
2732	<	public void testThenCompose3() {
2733	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2734	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2735	<	CompletableFuture<Integer> g = f.thenCompose(r);
2736	<	f.complete(one);
2737	<	checkCompletedWithWrappedCFException(g);
2738	<	}
2732	>	public void testAcceptEither_actionFailed() {
2733	>	for (ExecutionMode m : ExecutionMode.values())
2734	>	for (Integer v1 : new Integer[] { 1, null })
2735	>	for (Integer v2 : new Integer[] { 2, null })
2736	>	{
2737	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2738	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2739	>	final FailingConsumer[] rs = new FailingConsumer[6];
2740	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2741	>
2742	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2743	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2744	>	f.complete(v1);
2745	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2746	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2747	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2748	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2749	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2750	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2751	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2752	>
2753	>	g.complete(v2);
2754	>
2755	>	// unspecified behavior - both source completions available
2756	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2757	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2758	>
2759	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2760	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2761	>	Objects.equals(v2, rs[4].value));
2762	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2763	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2764	>	Objects.equals(v2, rs[5].value));
2765	>
2766	>	checkCompletedNormally(f, v1);
2767	>	checkCompletedNormally(g, v2);
2768	>	}}
2769
2770		/**
2771	<	* thenCompose result completes exceptionally if source cancelled
2771	>	* runAfterEither result completes normally after normal completion
2772	>	* of either source
2773		*/
2774	<	public void testThenCompose4() {
2775	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2776	<	CompletableFutureInc r = new CompletableFutureInc();
2777	<	CompletableFuture<Integer> g = f.thenCompose(r);
2778	<	assertTrue(f.cancel(true));
2779	<	checkCompletedWithWrappedCancellationException(g);
2780	<	}
2781	<
2782	<
2783	<	// asyncs
2774	>	public void testRunAfterEither_normalCompletion() {
2775	>	for (ExecutionMode m : ExecutionMode.values())
2776	>	for (Integer v1 : new Integer[] { 1, null })
2777	>	for (Integer v2 : new Integer[] { 2, null })
2778	>	for (boolean pushNop : new boolean[] { true, false })
2779	>	{
2780	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2781	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2782	>	final Noop[] rs = new Noop[6];
2783	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2784	>
2785	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2786	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2787	>	checkIncomplete(h0);
2788	>	checkIncomplete(h1);
2789	>	rs[0].assertNotInvoked();
2790	>	rs[1].assertNotInvoked();
2791	>	if (pushNop) {          // ad hoc test of intra-completion interference
2792	>	m.thenRun(f, () -> {});
2793	>	m.thenRun(g, () -> {});
2794	>	}
2795	>	f.complete(v1);
2796	>	checkCompletedNormally(h0, null);
2797	>	checkCompletedNormally(h1, null);
2798	>	rs[0].assertInvoked();
2799	>	rs[1].assertInvoked();
2800	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2801	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2802	>	checkCompletedNormally(h2, null);
2803	>	checkCompletedNormally(h3, null);
2804	>	rs[2].assertInvoked();
2805	>	rs[3].assertInvoked();
2806	>
2807	>	g.complete(v2);
2808	>
2809	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2810	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2811	>
2812	>	checkCompletedNormally(f, v1);
2813	>	checkCompletedNormally(g, v2);
2814	>	checkCompletedNormally(h0, null);
2815	>	checkCompletedNormally(h1, null);
2816	>	checkCompletedNormally(h2, null);
2817	>	checkCompletedNormally(h3, null);
2818	>	checkCompletedNormally(h4, null);
2819	>	checkCompletedNormally(h5, null);
2820	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2821	>	}}
2822
2823		/**
2824	<	* thenRunAsync result completes normally after normal completion of source
2824	>	* runAfterEither result completes exceptionally after exceptional
2825	>	* completion of either source
2826		*/
2827	<	public void testThenRunAsync() {
2828	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2829	<	Noop r = new Noop();
2830	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2831	<	f.complete(null);
2832	<	checkCompletedNormally(g, null);
2827	>	public void testRunAfterEither_exceptionalCompletion() {
2828	>	for (ExecutionMode m : ExecutionMode.values())
2829	>	for (Integer v1 : new Integer[] { 1, null })
2830	>	{
2831	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2832	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2833	>	final CFException ex = new CFException();
2834	>	final Noop[] rs = new Noop[6];
2835	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2836	>
2837	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2838	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2839	>	checkIncomplete(h0);
2840	>	checkIncomplete(h1);
2841	>	rs[0].assertNotInvoked();
2842	>	rs[1].assertNotInvoked();
2843	>	assertTrue(f.completeExceptionally(ex));
2844	>	checkCompletedWithWrappedException(h0, ex);
2845	>	checkCompletedWithWrappedException(h1, ex);
2846	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2847	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2848	>	checkCompletedWithWrappedException(h2, ex);
2849	>	checkCompletedWithWrappedException(h3, ex);
2850	>
2851	>	assertTrue(g.complete(v1));
2852	>
2853	>	// unspecified behavior - both source completions available
2854	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2855	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2856	>	try {
2857	>	assertNull(h4.join());
2858	>	rs[4].assertInvoked();
2859	>	} catch (CompletionException ok) {
2860	>	checkCompletedWithWrappedException(h4, ex);
2861	>	rs[4].assertNotInvoked();
2862	>	}
2863	>	try {
2864	>	assertNull(h5.join());
2865	>	rs[5].assertInvoked();
2866	>	} catch (CompletionException ok) {
2867	>	checkCompletedWithWrappedException(h5, ex);
2868	>	rs[5].assertNotInvoked();
2869	>	}
2870
2871	<	// reordered version
2872	<	f = new CompletableFuture<Integer>();
2873	<	f.complete(null);
2874	<	r = new Noop();
2875	<	g = f.thenRunAsync(r);
2876	<	checkCompletedNormally(g, null);
2877	<	}
2871	>	checkCompletedExceptionally(f, ex);
2872	>	checkCompletedNormally(g, v1);
2873	>	checkCompletedWithWrappedException(h0, ex);
2874	>	checkCompletedWithWrappedException(h1, ex);
2875	>	checkCompletedWithWrappedException(h2, ex);
2876	>	checkCompletedWithWrappedException(h3, ex);
2877	>	checkCompletedWithWrappedException(h4, ex);
2878	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2879	>	}}
2880	>
2881	>	public void testRunAfterEither_exceptionalCompletion2() {
2882	>	for (ExecutionMode m : ExecutionMode.values())
2883	>	for (boolean fFirst : new boolean[] { true, false })
2884	>	for (Integer v1 : new Integer[] { 1, null })
2885	>	{
2886	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2887	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2888	>	final CFException ex = new CFException();
2889	>	final Noop[] rs = new Noop[6];
2890	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2891	>
2892	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2893	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2894	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2895	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2896	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2897	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2898
2899	<	/**
1118	<	* thenRunAsync result completes exceptionally after exceptional
1119	<	* completion of source
1120	<	*/
1121	<	public void testThenRunAsync2() {
1122	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1123	<	Noop r = new Noop();
1124	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1125	<	f.completeExceptionally(new CFException());
2899	>	// unspecified behavior - both source completions available
2900		try {
2901	<	g.join();
2902	<	shouldThrow();
2903	<	} catch (Exception ok) {
2901	>	assertNull(h0.join());
2902	>	rs[0].assertInvoked();
2903	>	} catch (CompletionException ok) {
2904	>	checkCompletedWithWrappedException(h0, ex);
2905	>	rs[0].assertNotInvoked();
2906	>	}
2907	>	try {
2908	>	assertNull(h1.join());
2909	>	rs[1].assertInvoked();
2910	>	} catch (CompletionException ok) {
2911	>	checkCompletedWithWrappedException(h1, ex);
2912	>	rs[1].assertNotInvoked();
2913	>	}
2914	>	try {
2915	>	assertNull(h2.join());
2916	>	rs[2].assertInvoked();
2917	>	} catch (CompletionException ok) {
2918	>	checkCompletedWithWrappedException(h2, ex);
2919	>	rs[2].assertNotInvoked();
2920	>	}
2921	>	try {
2922	>	assertNull(h3.join());
2923	>	rs[3].assertInvoked();
2924	>	} catch (CompletionException ok) {
2925	>	checkCompletedWithWrappedException(h3, ex);
2926	>	rs[3].assertNotInvoked();
2927		}
1131	–	checkCompletedWithWrappedCFException(g);
1132	–	}
1133	–
1134	–	/**
1135	–	* thenRunAsync result completes exceptionally if action does
1136	–	*/
1137	–	public void testThenRunAsync3() {
1138	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1139	–	FailingNoop r = new FailingNoop();
1140	–	CompletableFuture<Void> g = f.thenRunAsync(r);
1141	–	f.complete(null);
1142	–	checkCompletedWithWrappedCFException(g);
1143	–	}
2928
2929	<	/**
2930	<	* thenRunAsync result completes exceptionally if source cancelled
2931	<	*/
1148	<	public void testThenRunAsync4() {
1149	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1150	<	Noop r = new Noop();
1151	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1152	<	assertTrue(f.cancel(true));
1153	<	checkCompletedWithWrappedCancellationException(g);
1154	<	}
2929	>	checkCompletedNormally(f, v1);
2930	>	checkCompletedExceptionally(g, ex);
2931	>	}}
2932
2933		/**
2934	<	* thenApplyAsync result completes normally after normal completion of source
2934	>	* runAfterEither result completes exceptionally if either source cancelled
2935		*/
2936	<	public void testThenApplyAsync() {
2937	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2938	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2939	<	f.complete(one);
2940	<	checkCompletedNormally(g, two);
2941	<	}
2936	>	public void testRunAfterEither_sourceCancelled() {
2937	>	for (ExecutionMode m : ExecutionMode.values())
2938	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2939	>	for (Integer v1 : new Integer[] { 1, null })
2940	>	{
2941	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2942	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2943	>	final Noop[] rs = new Noop[6];
2944	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2945	>
2946	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2947	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2948	>	checkIncomplete(h0);
2949	>	checkIncomplete(h1);
2950	>	rs[0].assertNotInvoked();
2951	>	rs[1].assertNotInvoked();
2952	>	f.cancel(mayInterruptIfRunning);
2953	>	checkCompletedWithWrappedCancellationException(h0);
2954	>	checkCompletedWithWrappedCancellationException(h1);
2955	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2956	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2957	>	checkCompletedWithWrappedCancellationException(h2);
2958	>	checkCompletedWithWrappedCancellationException(h3);
2959	>
2960	>	assertTrue(g.complete(v1));
2961	>
2962	>	// unspecified behavior - both source completions available
2963	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2964	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2965	>	try {
2966	>	assertNull(h4.join());
2967	>	rs[4].assertInvoked();
2968	>	} catch (CompletionException ok) {
2969	>	checkCompletedWithWrappedCancellationException(h4);
2970	>	rs[4].assertNotInvoked();
2971	>	}
2972	>	try {
2973	>	assertNull(h5.join());
2974	>	rs[5].assertInvoked();
2975	>	} catch (CompletionException ok) {
2976	>	checkCompletedWithWrappedCancellationException(h5);
2977	>	rs[5].assertNotInvoked();
2978	>	}
2979
2980	<	/**
2981	<	* thenApplyAsync result completes exceptionally after exceptional
2982	<	* completion of source
2983	<	*/
2984	<	public void testThenApplyAsync2() {
2985	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2986	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2987	<	f.completeExceptionally(new CFException());
1174	<	checkCompletedWithWrappedCFException(g);
1175	<	}
2980	>	checkCancelled(f);
2981	>	checkCompletedNormally(g, v1);
2982	>	checkCompletedWithWrappedCancellationException(h0);
2983	>	checkCompletedWithWrappedCancellationException(h1);
2984	>	checkCompletedWithWrappedCancellationException(h2);
2985	>	checkCompletedWithWrappedCancellationException(h3);
2986	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2987	>	}}
2988
2989		/**
2990	<	* thenApplyAsync result completes exceptionally if action does
2990	>	* runAfterEither result completes exceptionally if action does
2991		*/
2992	<	public void testThenApplyAsync3() {
2993	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2994	<	FailingFunction r = new FailingFunction();
2995	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2996	<	f.complete(null);
2997	<	checkCompletedWithWrappedCFException(g);
2998	<	}
2992	>	public void testRunAfterEither_actionFailed() {
2993	>	for (ExecutionMode m : ExecutionMode.values())
2994	>	for (Integer v1 : new Integer[] { 1, null })
2995	>	for (Integer v2 : new Integer[] { 2, null })
2996	>	{
2997	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2998	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2999	>	final FailingRunnable[] rs = new FailingRunnable[6];
3000	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3001	>
3002	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3003	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3004	>	assertTrue(f.complete(v1));
3005	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3006	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3007	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3008	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3009	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3010	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3011	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3012	>	assertTrue(g.complete(v2));
3013	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3014	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3015	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3016	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3017	>
3018	>	checkCompletedNormally(f, v1);
3019	>	checkCompletedNormally(g, v2);
3020	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3021	>	}}
3022
3023		/**
3024	<	* thenApplyAsync result completes exceptionally if source cancelled
3024	>	* thenCompose result completes normally after normal completion of source
3025		*/
3026	<	public void testThenApplyAsync4() {
3027	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3028	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3029	<	assertTrue(f.cancel(true));
3030	<	checkCompletedWithWrappedCancellationException(g);
3031	<	}
3026	>	public void testThenCompose_normalCompletion() {
3027	>	for (ExecutionMode m : ExecutionMode.values())
3028	>	for (boolean createIncomplete : new boolean[] { true, false })
3029	>	for (Integer v1 : new Integer[] { 1, null })
3030	>	{
3031	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3033	>	if (!createIncomplete) assertTrue(f.complete(v1));
3034	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3035	>	if (createIncomplete) assertTrue(f.complete(v1));
3036	>
3037	>	checkCompletedNormally(g, inc(v1));
3038	>	checkCompletedNormally(f, v1);
3039	>	r.assertValue(v1);
3040	>	}}
3041
3042		/**
3043	<	* thenAcceptAsync result completes normally after normal
3043	>	* thenCompose result completes exceptionally after exceptional
3044		* completion of source
3045		*/
3046	<	public void testThenAcceptAsync() {
3047	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3048	<	IncAction r = new IncAction();
3049	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3050	<	f.complete(one);
3051	<	checkCompletedNormally(g, null);
3052	<	assertEquals(r.value, 2);
3053	<	}
3046	>	public void testThenCompose_exceptionalCompletion() {
3047	>	for (ExecutionMode m : ExecutionMode.values())
3048	>	for (boolean createIncomplete : new boolean[] { true, false })
3049	>	{
3050	>	final CFException ex = new CFException();
3051	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3052	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3053	>	if (!createIncomplete) f.completeExceptionally(ex);
3054	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3055	>	if (createIncomplete) f.completeExceptionally(ex);
3056	>
3057	>	checkCompletedWithWrappedException(g, ex);
3058	>	checkCompletedExceptionally(f, ex);
3059	>	r.assertNotInvoked();
3060	>	}}
3061
3062		/**
3063	<	* thenAcceptAsync result completes exceptionally after exceptional
1213	<	* completion of source
3063	>	* thenCompose result completes exceptionally if action does
3064		*/
3065	<	public void testThenAcceptAsync2() {
3066	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3067	<	IncAction r = new IncAction();
3068	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3069	<	f.completeExceptionally(new CFException());
3070	<	checkCompletedWithWrappedCFException(g);
3071	<	}
3065	>	public void testThenCompose_actionFailed() {
3066	>	for (ExecutionMode m : ExecutionMode.values())
3067	>	for (boolean createIncomplete : new boolean[] { true, false })
3068	>	for (Integer v1 : new Integer[] { 1, null })
3069	>	{
3070	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3071	>	final FailingCompletableFutureFunction r
3072	>	= new FailingCompletableFutureFunction(m);
3073	>	if (!createIncomplete) assertTrue(f.complete(v1));
3074	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3075	>	if (createIncomplete) assertTrue(f.complete(v1));
3076	>
3077	>	checkCompletedWithWrappedException(g, r.ex);
3078	>	checkCompletedNormally(f, v1);
3079	>	}}
3080
3081		/**
3082	<	* thenAcceptAsync result completes exceptionally if action does
3082	>	* thenCompose result completes exceptionally if source cancelled
3083		*/
3084	<	public void testThenAcceptAsync3() {
3085	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3086	<	FailingConsumer r = new FailingConsumer();
3087	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3088	<	f.complete(null);
3089	<	checkCompletedWithWrappedCFException(g);
3090	<	}
3084	>	public void testThenCompose_sourceCancelled() {
3085	>	for (ExecutionMode m : ExecutionMode.values())
3086	>	for (boolean createIncomplete : new boolean[] { true, false })
3087	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3088	>	{
3089	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3090	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3091	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3092	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3093	>	if (createIncomplete) {
3094	>	checkIncomplete(g);
3095	>	assertTrue(f.cancel(mayInterruptIfRunning));
3096	>	}
3097
1234	–	/**
1235	–	* thenAcceptAsync result completes exceptionally if source cancelled
1236	–	*/
1237	–	public void testThenAcceptAsync4() {
1238	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1239	–	IncAction r = new IncAction();
1240	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1241	–	assertTrue(f.cancel(true));
3098		checkCompletedWithWrappedCancellationException(g);
3099	<	}
3100	<	/**
1245	<	* thenCombineAsync result completes normally after normal
1246	<	* completion of sources
1247	<	*/
1248	<	public void testThenCombineAsync() {
1249	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1250	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1251	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
1252	<	f.complete(one);
1253	<	checkIncomplete(g);
1254	<	f2.complete(two);
1255	<	checkCompletedNormally(g, three);
1256	<	}
1257	<
1258	<	/**
1259	<	* thenCombineAsync result completes exceptionally after exceptional
1260	<	* completion of source
1261	<	*/
1262	<	public void testThenCombineAsync2() {
1263	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1264	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1265	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
1266	<	f.completeExceptionally(new CFException());
1267	<	f2.complete(two);
1268	<	checkCompletedWithWrappedCFException(g);
1269	<
1270	<	f = new CompletableFuture<Integer>();
1271	<	f2 = new CompletableFuture<Integer>();
1272	<	g = f.thenCombineAsync(f2, add);
1273	<	f.complete(one);
1274	<	f2.completeExceptionally(new CFException());
1275	<	checkCompletedWithWrappedCFException(g);
1276	<	}
1277	<
1278	<	/**
1279	<	* thenCombineAsync result completes exceptionally if action does
1280	<	*/
1281	<	public void testThenCombineAsync3() {
1282	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1283	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1284	<	FailingBiFunction r = new FailingBiFunction();
1285	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1286	<	f.complete(one);
1287	<	checkIncomplete(g);
1288	<	f2.complete(two);
1289	<	checkCompletedWithWrappedCFException(g);
1290	<	}
3099	>	checkCancelled(f);
3100	>	}}
3101
3102		/**
3103	<	* thenCombineAsync result completes exceptionally if either source cancelled
3103	>	* thenCompose result completes exceptionally if the result of the action does
3104		*/
3105	<	public void testThenCombineAsync4() {
3106	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3107	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3108	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
3109	<	assertTrue(f.cancel(true));
3110	<	f2.complete(two);
3111	<	checkCompletedWithWrappedCancellationException(g);
3105	>	public void testThenCompose_actionReturnsFailingFuture() {
3106	>	for (ExecutionMode m : ExecutionMode.values())
3107	>	for (int order = 0; order < 6; order++)
3108	>	for (Integer v1 : new Integer[] { 1, null })
3109	>	{
3110	>	final CFException ex = new CFException();
3111	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3112	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3113	>	final CompletableFuture<Integer> h;
3114	>	// Test all permutations of orders
3115	>	switch (order) {
3116	>	case 0:
3117	>	assertTrue(f.complete(v1));
3118	>	assertTrue(g.completeExceptionally(ex));
3119	>	h = m.thenCompose(f, (x -> g));
3120	>	break;
3121	>	case 1:
3122	>	assertTrue(f.complete(v1));
3123	>	h = m.thenCompose(f, (x -> g));
3124	>	assertTrue(g.completeExceptionally(ex));
3125	>	break;
3126	>	case 2:
3127	>	assertTrue(g.completeExceptionally(ex));
3128	>	assertTrue(f.complete(v1));
3129	>	h = m.thenCompose(f, (x -> g));
3130	>	break;
3131	>	case 3:
3132	>	assertTrue(g.completeExceptionally(ex));
3133	>	h = m.thenCompose(f, (x -> g));
3134	>	assertTrue(f.complete(v1));
3135	>	break;
3136	>	case 4:
3137	>	h = m.thenCompose(f, (x -> g));
3138	>	assertTrue(f.complete(v1));
3139	>	assertTrue(g.completeExceptionally(ex));
3140	>	break;
3141	>	case 5:
3142	>	h = m.thenCompose(f, (x -> g));
3143	>	assertTrue(f.complete(v1));
3144	>	assertTrue(g.completeExceptionally(ex));
3145	>	break;
3146	>	default: throw new AssertionError();
3147	>	}
3148
3149	<	f = new CompletableFuture<Integer>();
3150	<	f2 = new CompletableFuture<Integer>();
3151	<	g = f.thenCombineAsync(f2, add);
3152	<	f.complete(one);
1307	<	assertTrue(f2.cancel(true));
1308	<	checkCompletedWithWrappedCancellationException(g);
1309	<	}
3149	>	checkCompletedExceptionally(g, ex);
3150	>	checkCompletedWithWrappedException(h, ex);
3151	>	checkCompletedNormally(f, v1);
3152	>	}}
3153
3154		/**
3155	<	* thenAcceptBothAsync result completes normally after normal
3156	<	* completion of sources
3155	>	* exceptionallyCompose result completes normally after normal
3156	>	* completion of source
3157		*/
3158	<	public void testThenAcceptBothAsync() {
3159	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3160	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3161	<	AddAction r = new AddAction();
3162	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
3163	<	f.complete(one);
3164	<	checkIncomplete(g);
3165	<	f2.complete(two);
3166	<	checkCompletedNormally(g, null);
3167	<	assertEquals(r.value, 3);
3168	<	}
3158	>	public void testExceptionallyCompose_normalCompletion() {
3159	>	for (ExecutionMode m : ExecutionMode.values())
3160	>	for (boolean createIncomplete : new boolean[] { true, false })
3161	>	for (Integer v1 : new Integer[] { 1, null })
3162	>	{
3163	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3164	>	final ExceptionalCompletableFutureFunction r =
3165	>	new ExceptionalCompletableFutureFunction(m);
3166	>	if (!createIncomplete) assertTrue(f.complete(v1));
3167	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3168	>	if (createIncomplete) assertTrue(f.complete(v1));
3169	>
3170	>	checkCompletedNormally(f, v1);
3171	>	checkCompletedNormally(g, v1);
3172	>	r.assertNotInvoked();
3173	>	}}
3174
3175		/**
3176	<	* thenAcceptBothAsync result completes exceptionally after exceptional
3176	>	* exceptionallyCompose result completes normally after exceptional
3177		* completion of source
3178		*/
3179	<	public void testThenAcceptBothAsync2() {
3180	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3181	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3182	<	AddAction r = new AddAction();
3183	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
3184	<	f.completeExceptionally(new CFException());
3185	<	f2.complete(two);
3186	<	checkCompletedWithWrappedCFException(g);
3179	>	public void testExceptionallyCompose_exceptionalCompletion() {
3180	>	for (ExecutionMode m : ExecutionMode.values())
3181	>	for (boolean createIncomplete : new boolean[] { true, false })
3182	>	{
3183	>	final CFException ex = new CFException();
3184	>	final ExceptionalCompletableFutureFunction r =
3185	>	new ExceptionalCompletableFutureFunction(m);
3186	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3187	>	if (!createIncomplete) f.completeExceptionally(ex);
3188	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3189	>	if (createIncomplete) f.completeExceptionally(ex);
3190	>
3191	>	checkCompletedExceptionally(f, ex);
3192	>	checkCompletedNormally(g, r.value);
3193	>	r.assertInvoked();
3194	>	}}
3195	>
3196	>	/**
3197	>	* exceptionallyCompose completes exceptionally on exception if action does
3198	>	*/
3199	>	public void testExceptionallyCompose_actionFailed() {
3200	>	for (ExecutionMode m : ExecutionMode.values())
3201	>	for (boolean createIncomplete : new boolean[] { true, false })
3202	>	{
3203	>	final CFException ex = new CFException();
3204	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3205	>	final FailingExceptionalCompletableFutureFunction r
3206	>	= new FailingExceptionalCompletableFutureFunction(m);
3207	>	if (!createIncomplete) f.completeExceptionally(ex);
3208	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3209	>	if (createIncomplete) f.completeExceptionally(ex);
3210	>
3211	>	checkCompletedExceptionally(f, ex);
3212	>	checkCompletedWithWrappedException(g, r.ex);
3213	>	r.assertInvoked();
3214	>	}}
3215	>
3216	>	/**
3217	>	* exceptionallyCompose result completes exceptionally if the
3218	>	* result of the action does
3219	>	*/
3220	>	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3221	>	for (ExecutionMode m : ExecutionMode.values())
3222	>	for (int order = 0; order < 6; order++)
3223	>	{
3224	>	final CFException ex0 = new CFException();
3225	>	final CFException ex = new CFException();
3226	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3227	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3228	>	final CompletableFuture<Integer> h;
3229	>	// Test all permutations of orders
3230	>	switch (order) {
3231	>	case 0:
3232	>	assertTrue(f.completeExceptionally(ex0));
3233	>	assertTrue(g.completeExceptionally(ex));
3234	>	h = m.exceptionallyCompose(f, (x -> g));
3235	>	break;
3236	>	case 1:
3237	>	assertTrue(f.completeExceptionally(ex0));
3238	>	h = m.exceptionallyCompose(f, (x -> g));
3239	>	assertTrue(g.completeExceptionally(ex));
3240	>	break;
3241	>	case 2:
3242	>	assertTrue(g.completeExceptionally(ex));
3243	>	assertTrue(f.completeExceptionally(ex0));
3244	>	h = m.exceptionallyCompose(f, (x -> g));
3245	>	break;
3246	>	case 3:
3247	>	assertTrue(g.completeExceptionally(ex));
3248	>	h = m.exceptionallyCompose(f, (x -> g));
3249	>	assertTrue(f.completeExceptionally(ex0));
3250	>	break;
3251	>	case 4:
3252	>	h = m.exceptionallyCompose(f, (x -> g));
3253	>	assertTrue(f.completeExceptionally(ex0));
3254	>	assertTrue(g.completeExceptionally(ex));
3255	>	break;
3256	>	case 5:
3257	>	h = m.exceptionallyCompose(f, (x -> g));
3258	>	assertTrue(f.completeExceptionally(ex0));
3259	>	assertTrue(g.completeExceptionally(ex));
3260	>	break;
3261	>	default: throw new AssertionError();
3262	>	}
3263
3264	<	r = new AddAction();
3265	<	f = new CompletableFuture<Integer>();
3266	<	f2 = new CompletableFuture<Integer>();
3267	<	g = f.thenAcceptBothAsync(f2, r);
1344	<	f.complete(one);
1345	<	f2.completeExceptionally(new CFException());
1346	<	checkCompletedWithWrappedCFException(g);
1347	<	}
3264	>	checkCompletedExceptionally(g, ex);
3265	>	checkCompletedWithWrappedException(h, ex);
3266	>	checkCompletedExceptionally(f, ex0);
3267	>	}}
3268
3269	<	/**
1350	<	* thenAcceptBothAsync result completes exceptionally if action does
1351	<	*/
1352	<	public void testThenAcceptBothAsync3() {
1353	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1354	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1355	<	FailingBiConsumer r = new FailingBiConsumer();
1356	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1357	<	f.complete(one);
1358	<	checkIncomplete(g);
1359	<	f2.complete(two);
1360	<	checkCompletedWithWrappedCFException(g);
1361	<	}
3269	>	// other static methods
3270
3271		/**
3272	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3272	>	* allOf(no component futures) returns a future completed normally
3273	>	* with the value null
3274		*/
3275	<	public void testThenAcceptBothAsync4() {
3276	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3277	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1369	<	AddAction r = new AddAction();
1370	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1371	<	assertTrue(f.cancel(true));
1372	<	f2.complete(two);
1373	<	checkCompletedWithWrappedCancellationException(g);
1374	<
1375	<	r = new AddAction();
1376	<	f = new CompletableFuture<Integer>();
1377	<	f2 = new CompletableFuture<Integer>();
1378	<	g = f.thenAcceptBothAsync(f2, r);
1379	<	f.complete(one);
1380	<	assertTrue(f2.cancel(true));
1381	<	checkCompletedWithWrappedCancellationException(g);
3275	>	public void testAllOf_empty() throws Exception {
3276	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3277	>	checkCompletedNormally(f, null);
3278		}
3279
3280		/**
3281	<	* runAfterBothAsync result completes normally after normal
3282	<	* completion of sources
3281	>	* allOf returns a future completed normally with the value null
3282	>	* when all components complete normally
3283		*/
3284	<	public void testRunAfterBothAsync() {
3285	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3286	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3287	<	Noop r = new Noop();
3288	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3289	<	f.complete(one);
3290	<	checkIncomplete(g);
3291	<	f2.complete(two);
3292	<	checkCompletedNormally(g, null);
3293	<	assertTrue(r.ran);
3284	>	public void testAllOf_normal() throws Exception {
3285	>	for (int k = 1; k < 10; k++) {
3286	>	CompletableFuture<Integer>[] fs
3287	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3288	>	for (int i = 0; i < k; i++)
3289	>	fs[i] = new CompletableFuture<>();
3290	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3291	>	for (int i = 0; i < k; i++) {
3292	>	checkIncomplete(f);
3293	>	checkIncomplete(CompletableFuture.allOf(fs));
3294	>	fs[i].complete(one);
3295	>	}
3296	>	checkCompletedNormally(f, null);
3297	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3298	>	}
3299		}
3300
3301	<	/**
3302	<	* runAfterBothAsync result completes exceptionally after exceptional
3303	<	* completion of source
3304	<	*/
3305	<	public void testRunAfterBothAsync2() {
3306	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3307	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3308	<	Noop r = new Noop();
3309	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3310	<	f.completeExceptionally(new CFException());
3311	<	f2.complete(two);
3312	<	checkCompletedWithWrappedCFException(g);
3313	<
3314	<	r = new Noop();
3315	<	f = new CompletableFuture<Integer>();
1415	<	f2 = new CompletableFuture<Integer>();
1416	<	g = f.runAfterBothAsync(f2, r);
1417	<	f.complete(one);
1418	<	f2.completeExceptionally(new CFException());
1419	<	checkCompletedWithWrappedCFException(g);
3301	>	public void testAllOf_normal_backwards() throws Exception {
3302	>	for (int k = 1; k < 10; k++) {
3303	>	CompletableFuture<Integer>[] fs
3304	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3305	>	for (int i = 0; i < k; i++)
3306	>	fs[i] = new CompletableFuture<>();
3307	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3308	>	for (int i = k - 1; i >= 0; i--) {
3309	>	checkIncomplete(f);
3310	>	checkIncomplete(CompletableFuture.allOf(fs));
3311	>	fs[i].complete(one);
3312	>	}
3313	>	checkCompletedNormally(f, null);
3314	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3315	>	}
3316		}
3317
3318	<	/**
3319	<	* runAfterBothAsync result completes exceptionally if action does
3320	<	*/
3321	<	public void testRunAfterBothAsync3() {
3322	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3323	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3324	<	FailingNoop r = new FailingNoop();
3325	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3326	<	f.complete(one);
3327	<	checkIncomplete(g);
3328	<	f2.complete(two);
3329	<	checkCompletedWithWrappedCFException(g);
3318	>	public void testAllOf_exceptional() throws Exception {
3319	>	for (int k = 1; k < 10; k++) {
3320	>	CompletableFuture<Integer>[] fs
3321	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3322	>	CFException ex = new CFException();
3323	>	for (int i = 0; i < k; i++)
3324	>	fs[i] = new CompletableFuture<>();
3325	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3326	>	for (int i = 0; i < k; i++) {
3327	>	checkIncomplete(f);
3328	>	checkIncomplete(CompletableFuture.allOf(fs));
3329	>	if (i != k / 2) {
3330	>	fs[i].complete(i);
3331	>	checkCompletedNormally(fs[i], i);
3332	>	} else {
3333	>	fs[i].completeExceptionally(ex);
3334	>	checkCompletedExceptionally(fs[i], ex);
3335	>	}
3336	>	}
3337	>	checkCompletedWithWrappedException(f, ex);
3338	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3339	>	}
3340		}
3341
3342		/**
3343	<	* runAfterBothAsync result completes exceptionally if either source cancelled
3343	>	* anyOf(no component futures) returns an incomplete future
3344		*/
3345	<	public void testRunAfterBothAsync4() {
3346	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3347	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3348	<	Noop r = new Noop();
3349	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1444	<	assertTrue(f.cancel(true));
1445	<	f2.complete(two);
1446	<	checkCompletedWithWrappedCancellationException(g);
3345	>	public void testAnyOf_empty() throws Exception {
3346	>	for (Integer v1 : new Integer[] { 1, null })
3347	>	{
3348	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3349	>	checkIncomplete(f);
3350
3351	<	r = new Noop();
3352	<	f = new CompletableFuture<Integer>();
3353	<	f2 = new CompletableFuture<Integer>();
1451	<	g = f.runAfterBothAsync(f2, r);
1452	<	f.complete(one);
1453	<	assertTrue(f2.cancel(true));
1454	<	checkCompletedWithWrappedCancellationException(g);
1455	<	}
3351	>	f.complete(v1);
3352	>	checkCompletedNormally(f, v1);
3353	>	}}
3354
3355		/**
3356	<	* applyToEitherAsync result completes normally after normal
3357	<	* completion of sources
3356	>	* anyOf returns a future completed normally with a value when
3357	>	* a component future does
3358		*/
3359	<	public void testApplyToEitherAsync() {
3360	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3361	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3362	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3363	<	f.complete(one);
3364	<	checkCompletedNormally(g, two);
3365	<
3366	<	f = new CompletableFuture<Integer>();
3367	<	f.complete(one);
3368	<	f2 = new CompletableFuture<Integer>();
3369	<	g = f.applyToEitherAsync(f2, inc);
3370	<	checkCompletedNormally(g, two);
3359	>	public void testAnyOf_normal() throws Exception {
3360	>	for (int k = 0; k < 10; k++) {
3361	>	CompletableFuture[] fs = new CompletableFuture[k];
3362	>	for (int i = 0; i < k; i++)
3363	>	fs[i] = new CompletableFuture<>();
3364	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3365	>	checkIncomplete(f);
3366	>	for (int i = 0; i < k; i++) {
3367	>	fs[i].complete(i);
3368	>	checkCompletedNormally(f, 0);
3369	>	int x = (int) CompletableFuture.anyOf(fs).join();
3370	>	assertTrue(0 <= x && x <= i);
3371	>	}
3372	>	}
3373		}
3374	<
3375	<	/**
3376	<	* applyToEitherAsync result completes exceptionally after exceptional
3377	<	* completion of source
3378	<	*/
3379	<	public void testApplyToEitherAsync2() {
3380	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3381	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3382	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3383	<	f.completeExceptionally(new CFException());
3384	<	checkCompletedWithWrappedCFException(g);
3385	<
3386	<	f = new CompletableFuture<Integer>();
3387	<	f2 = new CompletableFuture<Integer>();
1488	<	f2.completeExceptionally(new CFException());
1489	<	g = f.applyToEitherAsync(f2, inc);
1490	<	f.complete(one);
1491	<	checkCompletedWithWrappedCFException(g);
3374	>	public void testAnyOf_normal_backwards() throws Exception {
3375	>	for (int k = 0; k < 10; k++) {
3376	>	CompletableFuture[] fs = new CompletableFuture[k];
3377	>	for (int i = 0; i < k; i++)
3378	>	fs[i] = new CompletableFuture<>();
3379	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3380	>	checkIncomplete(f);
3381	>	for (int i = k - 1; i >= 0; i--) {
3382	>	fs[i].complete(i);
3383	>	checkCompletedNormally(f, k - 1);
3384	>	int x = (int) CompletableFuture.anyOf(fs).join();
3385	>	assertTrue(i <= x && x <= k - 1);
3386	>	}
3387	>	}
3388		}
3389
3390		/**
3391	<	* applyToEitherAsync result completes exceptionally if action does
3391	>	* anyOf result completes exceptionally when any component does.
3392		*/
3393	<	public void testApplyToEitherAsync3() {
3394	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3395	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3396	<	FailingFunction r = new FailingFunction();
3397	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
3398	<	f.complete(one);
3399	<	checkCompletedWithWrappedCFException(g);
3393	>	public void testAnyOf_exceptional() throws Exception {
3394	>	for (int k = 0; k < 10; k++) {
3395	>	CompletableFuture[] fs = new CompletableFuture[k];
3396	>	CFException[] exs = new CFException[k];
3397	>	for (int i = 0; i < k; i++) {
3398	>	fs[i] = new CompletableFuture<>();
3399	>	exs[i] = new CFException();
3400	>	}
3401	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3402	>	checkIncomplete(f);
3403	>	for (int i = 0; i < k; i++) {
3404	>	fs[i].completeExceptionally(exs[i]);
3405	>	checkCompletedWithWrappedException(f, exs[0]);
3406	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3407	>	}
3408	>	}
3409		}
3410
3411	<	/**
3412	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3413	<	*/
3414	<	public void testApplyToEitherAsync4() {
3415	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3416	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3417	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3418	<	assertTrue(f.cancel(true));
3419	<	checkCompletedWithWrappedCancellationException(g);
3420	<
3421	<	f = new CompletableFuture<Integer>();
3422	<	f2 = new CompletableFuture<Integer>();
3423	<	assertTrue(f2.cancel(true));
3424	<	g = f.applyToEitherAsync(f2, inc);
3425	<	checkCompletedWithWrappedCancellationException(g);
3411	>	public void testAnyOf_exceptional_backwards() throws Exception {
3412	>	for (int k = 0; k < 10; k++) {
3413	>	CompletableFuture[] fs = new CompletableFuture[k];
3414	>	CFException[] exs = new CFException[k];
3415	>	for (int i = 0; i < k; i++) {
3416	>	fs[i] = new CompletableFuture<>();
3417	>	exs[i] = new CFException();
3418	>	}
3419	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3420	>	checkIncomplete(f);
3421	>	for (int i = k - 1; i >= 0; i--) {
3422	>	fs[i].completeExceptionally(exs[i]);
3423	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3424	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3425	>	}
3426	>	}
3427		}
3428
3429		/**
3430	<	* acceptEitherAsync result completes normally after normal
1525	<	* completion of sources
3430	>	* Completion methods throw NullPointerException with null arguments
3431		*/
3432	<	public void testAcceptEitherAsync() {
3433	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3434	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3435	<	IncAction r = new IncAction();
3436	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3437	<	f.complete(one);
3438	<	checkCompletedNormally(g, null);
3439	<	assertEquals(r.value, 2);
3432	>	@SuppressWarnings("FutureReturnValueIgnored")
3433	>	public void testNPE() {
3434	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3435	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3436	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3437	>	ThreadExecutor exec = new ThreadExecutor();
3438	>
3439	>	Runnable[] throwingActions = {
3440	>	() -> CompletableFuture.supplyAsync(null),
3441	>	() -> CompletableFuture.supplyAsync(null, exec),
3442	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3443	>
3444	>	() -> CompletableFuture.runAsync(null),
3445	>	() -> CompletableFuture.runAsync(null, exec),
3446	>	() -> CompletableFuture.runAsync(() -> {}, null),
3447	>
3448	>	() -> f.completeExceptionally(null),
3449	>
3450	>	() -> f.thenApply(null),
3451	>	() -> f.thenApplyAsync(null),
3452	>	() -> f.thenApplyAsync(x -> x, null),
3453	>	() -> f.thenApplyAsync(null, exec),
3454	>
3455	>	() -> f.thenAccept(null),
3456	>	() -> f.thenAcceptAsync(null),
3457	>	() -> f.thenAcceptAsync(x -> {} , null),
3458	>	() -> f.thenAcceptAsync(null, exec),
3459	>
3460	>	() -> f.thenRun(null),
3461	>	() -> f.thenRunAsync(null),
3462	>	() -> f.thenRunAsync(() -> {} , null),
3463	>	() -> f.thenRunAsync(null, exec),
3464	>
3465	>	() -> f.thenCombine(g, null),
3466	>	() -> f.thenCombineAsync(g, null),
3467	>	() -> f.thenCombineAsync(g, null, exec),
3468	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3469	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3470	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3471	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3472	>
3473	>	() -> f.thenAcceptBoth(g, null),
3474	>	() -> f.thenAcceptBothAsync(g, null),
3475	>	() -> f.thenAcceptBothAsync(g, null, exec),
3476	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3477	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3478	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3479	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3480	>
3481	>	() -> f.runAfterBoth(g, null),
3482	>	() -> f.runAfterBothAsync(g, null),
3483	>	() -> f.runAfterBothAsync(g, null, exec),
3484	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3485	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3486	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3487	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3488	>
3489	>	() -> f.applyToEither(g, null),
3490	>	() -> f.applyToEitherAsync(g, null),
3491	>	() -> f.applyToEitherAsync(g, null, exec),
3492	>	() -> f.applyToEither(nullFuture, x -> x),
3493	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3494	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3495	>	() -> f.applyToEitherAsync(g, x -> x, null),
3496	>
3497	>	() -> f.acceptEither(g, null),
3498	>	() -> f.acceptEitherAsync(g, null),
3499	>	() -> f.acceptEitherAsync(g, null, exec),
3500	>	() -> f.acceptEither(nullFuture, x -> {}),
3501	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3502	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3503	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3504	>
3505	>	() -> f.runAfterEither(g, null),
3506	>	() -> f.runAfterEitherAsync(g, null),
3507	>	() -> f.runAfterEitherAsync(g, null, exec),
3508	>	() -> f.runAfterEither(nullFuture, () -> {}),
3509	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3510	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3511	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3512	>
3513	>	() -> f.thenCompose(null),
3514	>	() -> f.thenComposeAsync(null),
3515	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3516	>	() -> f.thenComposeAsync(null, exec),
3517	>
3518	>	() -> f.exceptionally(null),
3519	>
3520	>	() -> f.handle(null),
3521	>
3522	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3523	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3524	>	() -> CompletableFuture.allOf(f, null),
3525	>	() -> CompletableFuture.allOf(null, f),
3526	>
3527	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3528	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3529	>	() -> CompletableFuture.anyOf(f, null),
3530	>	() -> CompletableFuture.anyOf(null, f),
3531	>
3532	>	() -> f.obtrudeException(null),
3533	>
3534	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3535	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3536	>	() -> CompletableFuture.delayedExecutor(1L, null),
3537	>
3538	>	() -> f.orTimeout(1L, null),
3539	>	() -> f.completeOnTimeout(42, 1L, null),
3540	>
3541	>	() -> CompletableFuture.failedFuture(null),
3542	>	() -> CompletableFuture.failedStage(null),
3543	>	};
3544	>
3545	>	assertThrows(NullPointerException.class, throwingActions);
3546	>	assertEquals(0, exec.count.get());
3547	>	}
3548	>
3549	>	/**
3550	>	* Test submissions to an executor that rejects all tasks.
3551	>	*/
3552	>	public void testRejectingExecutor() {
3553	>	for (Integer v : new Integer[] { 1, null })
3554	>	{
3555	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3556	>
3557	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3558	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3559	>
3560	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3561	>
3562	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3563	>	srcs.add(complete);
3564	>	srcs.add(incomplete);
3565	>
3566	>	for (CompletableFuture<Integer> src : srcs) {
3567	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3568	>	fs.add(src.thenRunAsync(() -> {}, e));
3569	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3570	>	fs.add(src.thenApplyAsync(z -> z, e));
3571	>
3572	>	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3573	>	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3574	>	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3575	>
3576	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3577	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3578	>	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3579	>
3580	>	fs.add(src.thenComposeAsync(z -> null, e));
3581	>	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3582	>	fs.add(src.handleAsync((z, t) -> null, e));
3583	>
3584	>	for (CompletableFuture<?> future : fs) {
3585	>	if (src.isDone())
3586	>	checkCompletedWithWrappedException(future, e.ex);
3587	>	else
3588	>	checkIncomplete(future);
3589	>	}
3590	>	futures.addAll(fs);
3591	>	}
3592
3593	<	r = new IncAction();
3594	<	f = new CompletableFuture<Integer>();
1538	<	f.complete(one);
1539	<	f2 = new CompletableFuture<Integer>();
1540	<	g = f.acceptEitherAsync(f2, r);
1541	<	checkCompletedNormally(g, null);
1542	<	assertEquals(r.value, 2);
1543	<	}
3593	>	{
3594	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3595
3596	<	/**
3597	<	* acceptEitherAsync result completes exceptionally after exceptional
1547	<	* completion of source
1548	<	*/
1549	<	public void testAcceptEitherAsync2() {
1550	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1551	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1552	<	IncAction r = new IncAction();
1553	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1554	<	f.completeExceptionally(new CFException());
1555	<	checkCompletedWithWrappedCFException(g);
3596	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3597	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3598
3599	<	r = new IncAction();
3600	<	f = new CompletableFuture<Integer>();
1559	<	f2 = new CompletableFuture<Integer>();
1560	<	f2.completeExceptionally(new CFException());
1561	<	g = f.acceptEitherAsync(f2, r);
1562	<	f.complete(one);
1563	<	checkCompletedWithWrappedCFException(g);
1564	<	}
3599	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3600	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3601
3602	<	/**
3603	<	* acceptEitherAsync result completes exceptionally if action does
1568	<	*/
1569	<	public void testAcceptEitherAsync3() {
1570	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1571	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1572	<	FailingConsumer r = new FailingConsumer();
1573	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1574	<	f.complete(one);
1575	<	checkCompletedWithWrappedCFException(g);
1576	<	}
3602	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3603	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3604
3605	<	/**
3606	<	* acceptEitherAsync result completes exceptionally if either
3607	<	* source cancelled
3608	<	*/
1582	<	public void testAcceptEitherAsync4() {
1583	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1584	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1585	<	IncAction r = new IncAction();
1586	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1587	<	assertTrue(f.cancel(true));
1588	<	checkCompletedWithWrappedCancellationException(g);
3605	>	for (CompletableFuture<?> future : fs)
3606	>	checkIncomplete(future);
3607	>	futures.addAll(fs);
3608	>	}
3609
3610	<	r = new IncAction();
3611	<	f = new CompletableFuture<Integer>();
1592	<	f2 = new CompletableFuture<Integer>();
1593	<	assertTrue(f2.cancel(true));
1594	<	g = f.acceptEitherAsync(f2, r);
1595	<	checkCompletedWithWrappedCancellationException(g);
1596	<	}
3610	>	{
3611	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3612
3613	<	/**
3614	<	* runAfterEitherAsync result completes normally after normal
1600	<	* completion of sources
1601	<	*/
1602	<	public void testRunAfterEitherAsync() {
1603	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1604	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1605	<	Noop r = new Noop();
1606	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1607	<	f.complete(one);
1608	<	checkCompletedNormally(g, null);
1609	<	assertTrue(r.ran);
3613	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3614	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3615
3616	<	r = new Noop();
3617	<	f = new CompletableFuture<Integer>();
1613	<	f.complete(one);
1614	<	f2 = new CompletableFuture<Integer>();
1615	<	g = f.runAfterEitherAsync(f2, r);
1616	<	checkCompletedNormally(g, null);
1617	<	assertTrue(r.ran);
1618	<	}
3616	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3617	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3618
3619	<	/**
3620	<	* runAfterEitherAsync result completes exceptionally after exceptional
1622	<	* completion of source
1623	<	*/
1624	<	public void testRunAfterEitherAsync2() {
1625	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1626	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1627	<	Noop r = new Noop();
1628	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1629	<	f.completeExceptionally(new CFException());
1630	<	checkCompletedWithWrappedCFException(g);
3619	>	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3620	>	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3621
3622	<	r = new Noop();
3623	<	f = new CompletableFuture<Integer>();
3624	<	f2 = new CompletableFuture<Integer>();
3625	<	f2.completeExceptionally(new CFException());
1636	<	g = f.runAfterEitherAsync(f2, r);
1637	<	f.complete(one);
1638	<	checkCompletedWithWrappedCFException(g);
1639	<	}
3622	>	for (CompletableFuture<?> future : fs)
3623	>	checkCompletedWithWrappedException(future, e.ex);
3624	>	futures.addAll(fs);
3625	>	}
3626
3627	<	/**
1642	<	* runAfterEitherAsync result completes exceptionally if action does
1643	<	*/
1644	<	public void testRunAfterEitherAsync3() {
1645	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1646	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1647	<	FailingNoop r = new FailingNoop();
1648	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1649	<	f.complete(one);
1650	<	checkCompletedWithWrappedCFException(g);
1651	<	}
3627	>	incomplete.complete(v);
3628
3629	<	/**
3630	<	* runAfterEitherAsync result completes exceptionally if either
1655	<	* source cancelled
1656	<	*/
1657	<	public void testRunAfterEitherAsync4() {
1658	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1659	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1660	<	Noop r = new Noop();
1661	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1662	<	assertTrue(f.cancel(true));
1663	<	checkCompletedWithWrappedCancellationException(g);
3629	>	for (CompletableFuture<?> future : futures)
3630	>	checkCompletedWithWrappedException(future, e.ex);
3631
3632	<	r = new Noop();
3633	<	f = new CompletableFuture<Integer>();
1667	<	f2 = new CompletableFuture<Integer>();
1668	<	assertTrue(f2.cancel(true));
1669	<	g = f.runAfterEitherAsync(f2, r);
1670	<	checkCompletedWithWrappedCancellationException(g);
1671	<	}
3632	>	assertEquals(futures.size(), e.count.get());
3633	>	}}
3634
3635		/**
3636	<	* thenCompse result completes normally after normal completion of source
3636	>	* Test submissions to an executor that rejects all tasks, but
3637	>	* should never be invoked because the dependent future is
3638	>	* explicitly completed.
3639		*/
3640	<	public void testThenComposeAsync() {
3641	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3642	<	CompletableFutureInc r = new CompletableFutureInc();
3643	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1680	<	f.complete(one);
1681	<	checkCompletedNormally(g, two);
1682	<	}
3640	>	public void testRejectingExecutorNeverInvoked() {
3641	>	for (Integer v : new Integer[] { 1, null })
3642	>	{
3643	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3644
3645	<	/**
3646	<	* thenComposeAsync result completes exceptionally after exceptional
1686	<	* completion of source
1687	<	*/
1688	<	public void testThenComposeAsync2() {
1689	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1690	<	CompletableFutureInc r = new CompletableFutureInc();
1691	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1692	<	f.completeExceptionally(new CFException());
1693	<	checkCompletedWithWrappedCFException(g);
1694	<	}
3645	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3646	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3647
3648	<	/**
1697	<	* thenComposeAsync result completes exceptionally if action does
1698	<	*/
1699	<	public void testThenComposeAsync3() {
1700	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1701	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
1702	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1703	<	f.complete(one);
1704	<	checkCompletedWithWrappedCFException(g);
1705	<	}
3648	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3649
3650	<	/**
3651	<	* thenComposeAsync result completes exceptionally if source cancelled
3652	<	*/
1710	<	public void testThenComposeAsync4() {
1711	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1712	<	CompletableFutureInc r = new CompletableFutureInc();
1713	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1714	<	assertTrue(f.cancel(true));
1715	<	checkCompletedWithWrappedCancellationException(g);
1716	<	}
3650	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3651	>	srcs.add(complete);
3652	>	srcs.add(incomplete);
3653
3654	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3655	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3656	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3657	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3658
3659	<	// aaync with explicit executors
3659	>	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3660	>	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3661	>	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3662
3663	<	/**
3664	<	* thenRunAsync result completes normally after normal completion of source
3665	<	*/
1724	<	public void testThenRunAsyncE() {
1725	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1726	<	Noop r = new Noop();
1727	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1728	<	f.complete(null);
1729	<	checkCompletedNormally(g, null);
3663	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3664	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3665	>	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3666
3667	<	// reordered version
3668	<	f = new CompletableFuture<Integer>();
3669	<	f.complete(null);
1734	<	r = new Noop();
1735	<	g = f.thenRunAsync(r, new ThreadExecutor());
1736	<	checkCompletedNormally(g, null);
1737	<	}
3667	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3668	>	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3669	>	fs.add(incomplete.handleAsync((z, t) -> null, e));
3670
3671	<	/**
3672	<	* thenRunAsync result completes exceptionally after exceptional
1741	<	* completion of source
1742	<	*/
1743	<	public void testThenRunAsync2E() {
1744	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1745	<	Noop r = new Noop();
1746	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1747	<	f.completeExceptionally(new CFException());
1748	<	try {
1749	<	g.join();
1750	<	shouldThrow();
1751	<	} catch (Exception ok) {
1752	<	}
1753	<	checkCompletedWithWrappedCFException(g);
1754	<	}
3671	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3672	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3673
3674	<	/**
3675	<	* thenRunAsync result completes exceptionally if action does
1758	<	*/
1759	<	public void testThenRunAsync3E() {
1760	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1761	<	FailingNoop r = new FailingNoop();
1762	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1763	<	f.complete(null);
1764	<	checkCompletedWithWrappedCFException(g);
1765	<	}
3674	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3675	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3676
3677	<	/**
3678	<	* thenRunAsync result completes exceptionally if source cancelled
1769	<	*/
1770	<	public void testThenRunAsync4E() {
1771	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1772	<	Noop r = new Noop();
1773	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1774	<	assertTrue(f.cancel(true));
1775	<	checkCompletedWithWrappedCancellationException(g);
1776	<	}
3677	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3678	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3679
3680	<	/**
3681	<	* thenApplyAsync result completes normally after normal completion of source
1780	<	*/
1781	<	public void testThenApplyAsyncE() {
1782	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1783	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
1784	<	f.complete(one);
1785	<	checkCompletedNormally(g, two);
1786	<	}
3680	>	for (CompletableFuture<?> future : fs)
3681	>	checkIncomplete(future);
3682
3683	<	/**
3684	<	* thenApplyAsync result completes exceptionally after exceptional
1790	<	* completion of source
1791	<	*/
1792	<	public void testThenApplyAsync2E() {
1793	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1794	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
1795	<	f.completeExceptionally(new CFException());
1796	<	checkCompletedWithWrappedCFException(g);
1797	<	}
3683	>	for (CompletableFuture<?> future : fs)
3684	>	future.complete(null);
3685
3686	<	/**
1800	<	* thenApplyAsync result completes exceptionally if action does
1801	<	*/
1802	<	public void testThenApplyAsync3E() {
1803	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1804	<	FailingFunction r = new FailingFunction();
1805	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
1806	<	f.complete(null);
1807	<	checkCompletedWithWrappedCFException(g);
1808	<	}
3686	>	incomplete.complete(v);
3687
3688	<	/**
3689	<	* thenApplyAsync result completes exceptionally if source cancelled
1812	<	*/
1813	<	public void testThenApplyAsync4E() {
1814	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1815	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
1816	<	assertTrue(f.cancel(true));
1817	<	checkCompletedWithWrappedCancellationException(g);
1818	<	}
3688	>	for (CompletableFuture<?> future : fs)
3689	>	checkCompletedNormally(future, null);
3690
3691	<	/**
3692	<	* thenAcceptAsync result completes normally after normal
1822	<	* completion of source
1823	<	*/
1824	<	public void testThenAcceptAsyncE() {
1825	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1826	<	IncAction r = new IncAction();
1827	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1828	<	f.complete(one);
1829	<	checkCompletedNormally(g, null);
1830	<	assertEquals(r.value, 2);
1831	<	}
3691	>	assertEquals(0, e.count.get());
3692	>	}}
3693
3694		/**
3695	<	* thenAcceptAsync result completes exceptionally after exceptional
1835	<	* completion of source
3695	>	* toCompletableFuture returns this CompletableFuture.
3696		*/
3697	<	public void testThenAcceptAsync2E() {
3698	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3699	<	IncAction r = new IncAction();
1840	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1841	<	f.completeExceptionally(new CFException());
1842	<	checkCompletedWithWrappedCFException(g);
3697	>	public void testToCompletableFuture() {
3698	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3699	>	assertSame(f, f.toCompletableFuture());
3700		}
3701
3702	<	/**
1846	<	* thenAcceptAsync result completes exceptionally if action does
1847	<	*/
1848	<	public void testThenAcceptAsync3E() {
1849	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1850	<	FailingConsumer r = new FailingConsumer();
1851	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1852	<	f.complete(null);
1853	<	checkCompletedWithWrappedCFException(g);
1854	<	}
3702	>	// jdk9
3703
3704		/**
3705	<	* thenAcceptAsync result completes exceptionally if source cancelled
1858	<	*/
1859	<	public void testThenAcceptAsync4E() {
1860	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1861	<	IncAction r = new IncAction();
1862	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1863	<	assertTrue(f.cancel(true));
1864	<	checkCompletedWithWrappedCancellationException(g);
1865	<	}
1866	<	/**
1867	<	* thenCombineAsync result completes normally after normal
1868	<	* completion of sources
3705	>	* newIncompleteFuture returns an incomplete CompletableFuture
3706		*/
3707	<	public void testThenCombineAsyncE() {
3708	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3709	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3710	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
3711	<	f.complete(one);
3707	>	public void testNewIncompleteFuture() {
3708	>	for (Integer v1 : new Integer[] { 1, null })
3709	>	{
3710	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3711	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3712	>	checkIncomplete(f);
3713		checkIncomplete(g);
3714	<	f2.complete(two);
3715	<	checkCompletedNormally(g, three);
1878	<	}
1879	<
1880	<	/**
1881	<	* thenCombineAsync result completes exceptionally after exceptional
1882	<	* completion of source
1883	<	*/
1884	<	public void testThenCombineAsync2E() {
1885	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1886	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1887	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1888	<	f.completeExceptionally(new CFException());
1889	<	f2.complete(two);
1890	<	checkCompletedWithWrappedCFException(g);
1891	<
1892	<	f = new CompletableFuture<Integer>();
1893	<	f2 = new CompletableFuture<Integer>();
1894	<	g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1895	<	f.complete(one);
1896	<	f2.completeExceptionally(new CFException());
1897	<	checkCompletedWithWrappedCFException(g);
1898	<	}
1899	<
1900	<	/**
1901	<	* thenCombineAsync result completes exceptionally if action does
1902	<	*/
1903	<	public void testThenCombineAsync3E() {
1904	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1905	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1906	<	FailingBiFunction r = new FailingBiFunction();
1907	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
1908	<	f.complete(one);
3714	>	f.complete(v1);
3715	>	checkCompletedNormally(f, v1);
3716		checkIncomplete(g);
3717	<	f2.complete(two);
3718	<	checkCompletedWithWrappedCFException(g);
3719	<	}
3720	<
1914	<	/**
1915	<	* thenCombineAsync result completes exceptionally if either source cancelled
1916	<	*/
1917	<	public void testThenCombineAsync4E() {
1918	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1919	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1920	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1921	<	assertTrue(f.cancel(true));
1922	<	f2.complete(two);
1923	<	checkCompletedWithWrappedCancellationException(g);
1924	<
1925	<	f = new CompletableFuture<Integer>();
1926	<	f2 = new CompletableFuture<Integer>();
1927	<	g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1928	<	f.complete(one);
1929	<	assertTrue(f2.cancel(true));
1930	<	checkCompletedWithWrappedCancellationException(g);
1931	<	}
3717	>	g.complete(v1);
3718	>	checkCompletedNormally(g, v1);
3719	>	assertSame(g.getClass(), CompletableFuture.class);
3720	>	}}
3721
3722		/**
3723	<	* thenAcceptBothAsync result completes normally after normal
1935	<	* completion of sources
3723	>	* completedStage returns a completed CompletionStage
3724		*/
3725	<	public void testThenAcceptBothAsyncE() {
3726	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3727	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3728	<	AddAction r = new AddAction();
3729	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
3730	<	f.complete(one);
3731	<	checkIncomplete(g);
1944	<	f2.complete(two);
1945	<	checkCompletedNormally(g, null);
1946	<	assertEquals(r.value, 3);
3725	>	public void testCompletedStage() {
3726	>	AtomicInteger x = new AtomicInteger(0);
3727	>	AtomicReference<Throwable> r = new AtomicReference<>();
3728	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3729	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3730	>	assertEquals(x.get(), 1);
3731	>	assertNull(r.get());
3732		}
3733
3734		/**
3735	<	* thenAcceptBothAsync result completes exceptionally after exceptional
3736	<	* completion of source
3735	>	* defaultExecutor by default returns the commonPool if
3736	>	* it supports more than one thread.
3737		*/
3738	<	public void testThenAcceptBothAsync2E() {
3739	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3740	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3741	<	AddAction r = new AddAction();
3742	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
3743	<	f.completeExceptionally(new CFException());
3744	<	f2.complete(two);
3745	<	checkCompletedWithWrappedCFException(g);
1961	<
1962	<	r = new AddAction();
1963	<	f = new CompletableFuture<Integer>();
1964	<	f2 = new CompletableFuture<Integer>();
1965	<	g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1966	<	f.complete(one);
1967	<	f2.completeExceptionally(new CFException());
1968	<	checkCompletedWithWrappedCFException(g);
1969	<	}
1970	<
1971	<	/**
1972	<	* thenAcceptBothAsync result completes exceptionally if action does
1973	<	*/
1974	<	public void testThenAcceptBothAsync3E() {
1975	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1976	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1977	<	FailingBiConsumer r = new FailingBiConsumer();
1978	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1979	<	f.complete(one);
1980	<	checkIncomplete(g);
1981	<	f2.complete(two);
1982	<	checkCompletedWithWrappedCFException(g);
3738	>	public void testDefaultExecutor() {
3739	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3740	>	Executor e = f.defaultExecutor();
3741	>	Executor c = ForkJoinPool.commonPool();
3742	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3743	>	assertSame(e, c);
3744	>	else
3745	>	assertNotSame(e, c);
3746		}
3747
3748		/**
3749	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3749	>	* failedFuture returns a CompletableFuture completed
3750	>	* exceptionally with the given Exception
3751		*/
3752	<	public void testThenAcceptBothAsync4E() {
3753	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3754	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3755	<	AddAction r = new AddAction();
1992	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1993	<	assertTrue(f.cancel(true));
1994	<	f2.complete(two);
1995	<	checkCompletedWithWrappedCancellationException(g);
1996	<
1997	<	r = new AddAction();
1998	<	f = new CompletableFuture<Integer>();
1999	<	f2 = new CompletableFuture<Integer>();
2000	<	g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2001	<	f.complete(one);
2002	<	assertTrue(f2.cancel(true));
2003	<	checkCompletedWithWrappedCancellationException(g);
3752	>	public void testFailedFuture() {
3753	>	CFException ex = new CFException();
3754	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3755	>	checkCompletedExceptionally(f, ex);
3756		}
3757
3758		/**
3759	<	* runAfterBothAsync result completes normally after normal
2008	<	* completion of sources
3759	>	* failedFuture(null) throws NPE
3760		*/
3761	<	public void testRunAfterBothAsyncE() {
3762	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3763	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3764	<	Noop r = new Noop();
3765	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2015	<	f.complete(one);
2016	<	checkIncomplete(g);
2017	<	f2.complete(two);
2018	<	checkCompletedNormally(g, null);
2019	<	assertTrue(r.ran);
3761	>	public void testFailedFuture_null() {
3762	>	try {
3763	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3764	>	shouldThrow();
3765	>	} catch (NullPointerException success) {}
3766		}
3767
3768		/**
3769	<	* runAfterBothAsync result completes exceptionally after exceptional
3770	<	* completion of source
3769	>	* copy returns a CompletableFuture that is completed normally,
3770	>	* with the same value, when source is.
3771		*/
3772	<	public void testRunAfterBothAsync2E() {
3773	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3774	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3775	<	Noop r = new Noop();
3776	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3777	<	f.completeExceptionally(new CFException());
3778	<	f2.complete(two);
3779	<	checkCompletedWithWrappedCFException(g);
3780	<
3781	<	r = new Noop();
3782	<	f = new CompletableFuture<Integer>();
3783	<	f2 = new CompletableFuture<Integer>();
3784	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3785	<	f.complete(one);
3786	<	f2.completeExceptionally(new CFException());
3787	<	checkCompletedWithWrappedCFException(g);
3788	<	}
3772	>	public void testCopy_normalCompletion() {
3773	>	for (boolean createIncomplete : new boolean[] { true, false })
3774	>	for (Integer v1 : new Integer[] { 1, null })
3775	>	{
3776	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3777	>	if (!createIncomplete) assertTrue(f.complete(v1));
3778	>	CompletableFuture<Integer> g = f.copy();
3779	>	if (createIncomplete) {
3780	>	checkIncomplete(f);
3781	>	checkIncomplete(g);
3782	>	assertTrue(f.complete(v1));
3783	>	}
3784	>	checkCompletedNormally(f, v1);
3785	>	checkCompletedNormally(g, v1);
3786	>	}}
3787	>
3788	>	/**
3789	>	* copy returns a CompletableFuture that is completed exceptionally
3790	>	* when source is.
3791	>	*/
3792	>	public void testCopy_exceptionalCompletion() {
3793	>	for (boolean createIncomplete : new boolean[] { true, false })
3794	>	{
3795	>	CFException ex = new CFException();
3796	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3797	>	if (!createIncomplete) f.completeExceptionally(ex);
3798	>	CompletableFuture<Integer> g = f.copy();
3799	>	if (createIncomplete) {
3800	>	checkIncomplete(f);
3801	>	checkIncomplete(g);
3802	>	f.completeExceptionally(ex);
3803	>	}
3804	>	checkCompletedExceptionally(f, ex);
3805	>	checkCompletedWithWrappedException(g, ex);
3806	>	}}
3807
3808		/**
3809	<	* runAfterBothAsync result completes exceptionally if action does
3810	<	*/
3811	<	public void testRunAfterBothAsync3E() {
3812	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3813	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3814	<	FailingNoop r = new FailingNoop();
3815	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3816	<	f.complete(one);
3817	<	checkIncomplete(g);
3818	<	f2.complete(two);
2055	<	checkCompletedWithWrappedCFException(g);
3809	>	* Completion of a copy does not complete its source.
3810	>	*/
3811	>	public void testCopy_oneWayPropagation() {
3812	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3813	>	assertTrue(f.copy().complete(1));
3814	>	assertTrue(f.copy().complete(null));
3815	>	assertTrue(f.copy().cancel(true));
3816	>	assertTrue(f.copy().cancel(false));
3817	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3818	>	checkIncomplete(f);
3819		}
3820
3821		/**
3822	<	* runAfterBothAsync result completes exceptionally if either source cancelled
3822	>	* minimalCompletionStage returns a CompletableFuture that is
3823	>	* completed normally, with the same value, when source is.
3824		*/
3825	<	public void testRunAfterBothAsync4E() {
3826	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3827	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3828	<	Noop r = new Noop();
3829	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3830	<	assertTrue(f.cancel(true));
3831	<	f2.complete(two);
3832	<	checkCompletedWithWrappedCancellationException(g);
3833	<
3834	<	r = new Noop();
3835	<	f = new CompletableFuture<Integer>();
2072	<	f2 = new CompletableFuture<Integer>();
2073	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2074	<	f.complete(one);
2075	<	assertTrue(f2.cancel(true));
2076	<	checkCompletedWithWrappedCancellationException(g);
3825	>	public void testMinimalCompletionStage() {
3826	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3827	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3828	>	AtomicInteger x = new AtomicInteger(0);
3829	>	AtomicReference<Throwable> r = new AtomicReference<>();
3830	>	checkIncomplete(f);
3831	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3832	>	f.complete(1);
3833	>	checkCompletedNormally(f, 1);
3834	>	assertEquals(x.get(), 1);
3835	>	assertNull(r.get());
3836		}
3837
3838		/**
3839	<	* applyToEitherAsync result completes normally after normal
3840	<	* completion of sources
3839	>	* minimalCompletionStage returns a CompletableFuture that is
3840	>	* completed exceptionally when source is.
3841		*/
3842	<	public void testApplyToEitherAsyncE() {
3843	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3844	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3845	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3846	<	f.complete(one);
3847	<	checkCompletedNormally(g, two);
3848	<
3849	<	f = new CompletableFuture<Integer>();
3850	<	f.complete(one);
3851	<	f2 = new CompletableFuture<Integer>();
3852	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3853	<	checkCompletedNormally(g, two);
3842	>	public void testMinimalCompletionStage2() {
3843	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3844	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3845	>	AtomicInteger x = new AtomicInteger(0);
3846	>	AtomicReference<Throwable> r = new AtomicReference<>();
3847	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3848	>	checkIncomplete(f);
3849	>	CFException ex = new CFException();
3850	>	f.completeExceptionally(ex);
3851	>	checkCompletedExceptionally(f, ex);
3852	>	assertEquals(x.get(), 0);
3853	>	assertEquals(r.get().getCause(), ex);
3854		}
3855
3856		/**
3857	<	* applyToEitherAsync result completes exceptionally after exceptional
3858	<	* completion of source
3857	>	* failedStage returns a CompletionStage completed
3858	>	* exceptionally with the given Exception
3859		*/
3860	<	public void testApplyToEitherAsync2E() {
3861	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3862	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3863	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3864	<	f.completeExceptionally(new CFException());
3865	<	checkCompletedWithWrappedCFException(g);
3866	<
3867	<	f = new CompletableFuture<Integer>();
2109	<	f2 = new CompletableFuture<Integer>();
2110	<	f2.completeExceptionally(new CFException());
2111	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2112	<	f.complete(one);
2113	<	checkCompletedWithWrappedCFException(g);
3860	>	public void testFailedStage() {
3861	>	CFException ex = new CFException();
3862	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3863	>	AtomicInteger x = new AtomicInteger(0);
3864	>	AtomicReference<Throwable> r = new AtomicReference<>();
3865	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3866	>	assertEquals(x.get(), 0);
3867	>	assertEquals(r.get(), ex);
3868		}
3869
3870		/**
3871	<	* applyToEitherAsync result completes exceptionally if action does
3871	>	* completeAsync completes with value of given supplier
3872		*/
3873	<	public void testApplyToEitherAsync3E() {
3874	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3875	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3876	<	FailingFunction r = new FailingFunction();
3877	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
3878	<	f.complete(one);
3879	<	checkCompletedWithWrappedCFException(g);
3880	<	}
3873	>	public void testCompleteAsync() {
3874	>	for (Integer v1 : new Integer[] { 1, null })
3875	>	{
3876	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3877	>	f.completeAsync(() -> v1);
3878	>	f.join();
3879	>	checkCompletedNormally(f, v1);
3880	>	}}
3881
3882		/**
3883	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3883	>	* completeAsync completes exceptionally if given supplier throws
3884		*/
3885	<	public void testApplyToEitherAsync4E() {
3886	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3887	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3888	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3889	<	assertTrue(f.cancel(true));
3890	<	checkCompletedWithWrappedCancellationException(g);
3891	<
3892	<	f = new CompletableFuture<Integer>();
3893	<	f2 = new CompletableFuture<Integer>();
2140	<	assertTrue(f2.cancel(true));
2141	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2142	<	checkCompletedWithWrappedCancellationException(g);
3885	>	public void testCompleteAsync2() {
3886	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3887	>	CFException ex = new CFException();
3888	>	f.completeAsync(() -> { throw ex; });
3889	>	try {
3890	>	f.join();
3891	>	shouldThrow();
3892	>	} catch (CompletionException success) {}
3893	>	checkCompletedWithWrappedException(f, ex);
3894		}
3895
3896		/**
3897	<	* acceptEitherAsync result completes normally after normal
2147	<	* completion of sources
3897	>	* completeAsync with given executor completes with value of given supplier
3898		*/
3899	<	public void testAcceptEitherAsyncE() {
3900	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3901	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3902	<	IncAction r = new IncAction();
3903	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3904	<	f.complete(one);
3905	<	checkCompletedNormally(g, null);
3906	<	assertEquals(r.value, 2);
3907	<
3908	<	r = new IncAction();
2159	<	f = new CompletableFuture<Integer>();
2160	<	f.complete(one);
2161	<	f2 = new CompletableFuture<Integer>();
2162	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2163	<	checkCompletedNormally(g, null);
2164	<	assertEquals(r.value, 2);
2165	<	}
3899	>	public void testCompleteAsync3() {
3900	>	for (Integer v1 : new Integer[] { 1, null })
3901	>	{
3902	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3903	>	ThreadExecutor executor = new ThreadExecutor();
3904	>	f.completeAsync(() -> v1, executor);
3905	>	assertSame(v1, f.join());
3906	>	checkCompletedNormally(f, v1);
3907	>	assertEquals(1, executor.count.get());
3908	>	}}
3909
3910		/**
3911	<	* acceptEitherAsync result completes exceptionally after exceptional
3912	<	* completion of source
3911	>	* completeAsync with given executor completes exceptionally if
3912	>	* given supplier throws
3913		*/
3914	<	public void testAcceptEitherAsync2E() {
3915	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3916	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3917	<	IncAction r = new IncAction();
3918	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3919	<	f.completeExceptionally(new CFException());
3920	<	checkCompletedWithWrappedCFException(g);
3914	>	public void testCompleteAsync4() {
3915	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3916	>	CFException ex = new CFException();
3917	>	ThreadExecutor executor = new ThreadExecutor();
3918	>	f.completeAsync(() -> { throw ex; }, executor);
3919	>	try {
3920	>	f.join();
3921	>	shouldThrow();
3922	>	} catch (CompletionException success) {}
3923	>	checkCompletedWithWrappedException(f, ex);
3924	>	assertEquals(1, executor.count.get());
3925	>	}
3926	>
3927	>	/**
3928	>	* orTimeout completes with TimeoutException if not complete
3929	>	*/
3930	>	public void testOrTimeout_timesOut() {
3931	>	long timeoutMillis = timeoutMillis();
3932	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3933	>	long startTime = System.nanoTime();
3934	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3935	>	checkCompletedWithTimeoutException(f);
3936	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3937	>	}
3938	>
3939	>	/**
3940	>	* orTimeout completes normally if completed before timeout
3941	>	*/
3942	>	public void testOrTimeout_completed() {
3943	>	for (Integer v1 : new Integer[] { 1, null })
3944	>	{
3945	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3946	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3947	>	long startTime = System.nanoTime();
3948	>	f.complete(v1);
3949	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3950	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3951	>	g.complete(v1);
3952	>	checkCompletedNormally(f, v1);
3953	>	checkCompletedNormally(g, v1);
3954	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3955	>	}}
3956	>
3957	>	/**
3958	>	* completeOnTimeout completes with given value if not complete
3959	>	*/
3960	>	public void testCompleteOnTimeout_timesOut() {
3961	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3962	>	() -> testCompleteOnTimeout_timesOut(null));
3963	>	}
3964	>
3965	>	/**
3966	>	* completeOnTimeout completes with given value if not complete
3967	>	*/
3968	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3969	>	long timeoutMillis = timeoutMillis();
3970	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3971	>	long startTime = System.nanoTime();
3972	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3973	>	assertSame(v, f.join());
3974	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3975	>	f.complete(99);         // should have no effect
3976	>	checkCompletedNormally(f, v);
3977	>	}
3978	>
3979	>	/**
3980	>	* completeOnTimeout has no effect if completed within timeout
3981	>	*/
3982	>	public void testCompleteOnTimeout_completed() {
3983	>	for (Integer v1 : new Integer[] { 1, null })
3984	>	{
3985	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3986	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3987	>	long startTime = System.nanoTime();
3988	>	f.complete(v1);
3989	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3990	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3991	>	g.complete(v1);
3992	>	checkCompletedNormally(f, v1);
3993	>	checkCompletedNormally(g, v1);
3994	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3995	>	}}
3996	>
3997	>	/**
3998	>	* delayedExecutor returns an executor that delays submission
3999	>	*/
4000	>	public void testDelayedExecutor() {
4001	>	testInParallel(() -> testDelayedExecutor(null, null),
4002	>	() -> testDelayedExecutor(null, 1),
4003	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
4004	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
4005	>	}
4006	>
4007	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
4008	>	long timeoutMillis = timeoutMillis();
4009	>	// Use an "unreasonably long" long timeout to catch lingering threads
4010	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
4011	>	final Executor delayer, longDelayer;
4012	>	if (executor == null) {
4013	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
4014	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
4015	>	} else {
4016	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
4017	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
4018	>	}
4019	>	long startTime = System.nanoTime();
4020	>	CompletableFuture<Integer> f =
4021	>	CompletableFuture.supplyAsync(() -> v, delayer);
4022	>	CompletableFuture<Integer> g =
4023	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
4024	>
4025	>	assertNull(g.getNow(null));
4026	>
4027	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
4028	>	long millisElapsed = millisElapsedSince(startTime);
4029	>	assertTrue(millisElapsed >= timeoutMillis);
4030	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
4031
4032	<	r = new IncAction();
2180	<	f = new CompletableFuture<Integer>();
2181	<	f2 = new CompletableFuture<Integer>();
2182	<	f2.completeExceptionally(new CFException());
2183	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2184	<	f.complete(one);
2185	<	checkCompletedWithWrappedCFException(g);
2186	<	}
4032	>	checkCompletedNormally(f, v);
4033
4034	<	/**
4035	<	* acceptEitherAsync result completes exceptionally if action does
2190	<	*/
2191	<	public void testAcceptEitherAsync3E() {
2192	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2193	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2194	<	FailingConsumer r = new FailingConsumer();
2195	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2196	<	f.complete(one);
2197	<	checkCompletedWithWrappedCFException(g);
4034	>	checkIncomplete(g);
4035	>	assertTrue(g.cancel(true));
4036		}
4037
4038	<	/**
2201	<	* acceptEitherAsync result completes exceptionally if either
2202	<	* source cancelled
2203	<	*/
2204	<	public void testAcceptEitherAsync4E() {
2205	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2206	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2207	<	IncAction r = new IncAction();
2208	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2209	<	assertTrue(f.cancel(true));
2210	<	checkCompletedWithWrappedCancellationException(g);
4038	>	//--- tests of implementation details; not part of official tck ---
4039
4040	<	r = new IncAction();
4041	<	f = new CompletableFuture<Integer>();
4042	<	f2 = new CompletableFuture<Integer>();
4043	<	assertTrue(f2.cancel(true));
4044	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4045	<	checkCompletedWithWrappedCancellationException(g);
4040	>	Object resultOf(CompletableFuture<?> f) {
4041	>	SecurityManager sm = System.getSecurityManager();
4042	>	if (sm != null) {
4043	>	try {
4044	>	System.setSecurityManager(null);
4045	>	} catch (SecurityException giveUp) {
4046	>	return "Reflection not available";
4047	>	}
4048	>	}
4049	>
4050	>	try {
4051	>	java.lang.reflect.Field resultField
4052	>	= CompletableFuture.class.getDeclaredField("result");
4053	>	resultField.setAccessible(true);
4054	>	return resultField.get(f);
4055	>	} catch (Throwable t) {
4056	>	throw new AssertionError(t);
4057	>	} finally {
4058	>	if (sm != null) System.setSecurityManager(sm);
4059	>	}
4060		}
4061
4062	<	/**
4063	<	* runAfterEitherAsync result completes normally after normal
4064	<	* completion of sources
4065	<	*/
4066	<	public void testRunAfterEitherAsyncE() {
4067	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4068	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4069	<	Noop r = new Noop();
4070	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4071	<	f.complete(one);
4072	<	checkCompletedNormally(g, null);
4073	<	assertTrue(r.ran);
4062	>	public void testExceptionPropagationReusesResultObject() {
4063	>	if (!testImplementationDetails) return;
4064	>	for (ExecutionMode m : ExecutionMode.values())
4065	>	{
4066	>	final CFException ex = new CFException();
4067	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4068	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4069	>
4070	>	final Runnable noopRunnable = new Noop(m);
4071	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4072	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4073	>
4074	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4075	>	= new ArrayList<>();
4076	>
4077	>	funs.add(y -> m.thenRun(y, noopRunnable));
4078	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4079	>	funs.add(y -> m.thenApply(y, incFunction));
4080	>
4081	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4082	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4083	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4084	>
4085	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4086	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4087	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4088	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4089	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4090	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4091	>
4092	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4093	>
4094	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4095	>
4096	>	funs.add(y -> CompletableFuture.allOf(y));
4097	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4098	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4099	>	funs.add(y -> CompletableFuture.anyOf(y));
4100	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4101	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4102	>
4103	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4104	>	fun : funs) {
4105	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4106	>	f.completeExceptionally(ex);
4107	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4108	>	checkCompletedWithWrappedException(src, ex);
4109	>	CompletableFuture<?> dep = fun.apply(src);
4110	>	checkCompletedWithWrappedException(dep, ex);
4111	>	assertSame(resultOf(src), resultOf(dep));
4112	>	}
4113
4114	<	r = new Noop();
4115	<	f = new CompletableFuture<Integer>();
4116	<	f.complete(one);
4117	<	f2 = new CompletableFuture<Integer>();
4118	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4119	<	checkCompletedNormally(g, null);
4120	<	assertTrue(r.ran);
4121	<	}
4114	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4115	>	fun : funs) {
4116	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4117	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4118	>	CompletableFuture<?> dep = fun.apply(src);
4119	>	f.completeExceptionally(ex);
4120	>	checkCompletedWithWrappedException(src, ex);
4121	>	checkCompletedWithWrappedException(dep, ex);
4122	>	assertSame(resultOf(src), resultOf(dep));
4123	>	}
4124
4125	<	/**
4126	<	* runAfterEitherAsync result completes exceptionally after exceptional
4127	<	* completion of source
4128	<	*/
4129	<	public void testRunAfterEitherAsync2E() {
4130	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4131	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4132	<	Noop r = new Noop();
4133	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4134	<	f.completeExceptionally(new CFException());
4135	<	checkCompletedWithWrappedCFException(g);
4125	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4126	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4127	>	fun : funs) {
4128	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4129	>	f.cancel(mayInterruptIfRunning);
4130	>	checkCancelled(f);
4131	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4132	>	checkCompletedWithWrappedCancellationException(src);
4133	>	CompletableFuture<?> dep = fun.apply(src);
4134	>	checkCompletedWithWrappedCancellationException(dep);
4135	>	assertSame(resultOf(src), resultOf(dep));
4136	>	}
4137
4138	<	r = new Noop();
4139	<	f = new CompletableFuture<Integer>();
4140	<	f2 = new CompletableFuture<Integer>();
4141	<	f2.completeExceptionally(new CFException());
4142	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4143	<	f.complete(one);
4144	<	checkCompletedWithWrappedCFException(g);
4145	<	}
4138	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4139	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4140	>	fun : funs) {
4141	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4142	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4143	>	CompletableFuture<?> dep = fun.apply(src);
4144	>	f.cancel(mayInterruptIfRunning);
4145	>	checkCancelled(f);
4146	>	checkCompletedWithWrappedCancellationException(src);
4147	>	checkCompletedWithWrappedCancellationException(dep);
4148	>	assertSame(resultOf(src), resultOf(dep));
4149	>	}
4150	>	}}
4151
4152		/**
4153	<	* runAfterEitherAsync result completes exceptionally if action does
4153	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4154		*/
4155	<	public void testRunAfterEitherAsync3E() {
4156	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4157	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4158	<	FailingNoop r = new FailingNoop();
4159	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4160	<	f.complete(one);
4161	<	checkCompletedWithWrappedCFException(g);
4155	>	public void testMinimalCompletionStage_minimality() {
4156	>	if (!testImplementationDetails) return;
4157	>	Function<Method, String> toSignature =
4158	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4159	>	Predicate<Method> isNotStatic =
4160	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4161	>	List<Method> minimalMethods =
4162	>	Stream.of(Object.class, CompletionStage.class)
4163	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4164	>	.filter(isNotStatic)
4165	>	.collect(Collectors.toList());
4166	>	// Methods from CompletableFuture permitted NOT to throw UOE
4167	>	String[] signatureWhitelist = {
4168	>	"newIncompleteFuture[]",
4169	>	"defaultExecutor[]",
4170	>	"minimalCompletionStage[]",
4171	>	"copy[]",
4172	>	};
4173	>	Set<String> permittedMethodSignatures =
4174	>	Stream.concat(minimalMethods.stream().map(toSignature),
4175	>	Stream.of(signatureWhitelist))
4176	>	.collect(Collectors.toSet());
4177	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4178	>	.filter(isNotStatic)
4179	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4180	>	.collect(Collectors.toList());
4181	>
4182	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4183	>	CompletionStage<Integer> min =
4184	>	new CompletableFuture<Integer>().minimalCompletionStage();
4185	>	stages.add(min);
4186	>	stages.add(min.thenApply(x -> x));
4187	>	stages.add(CompletableFuture.completedStage(1));
4188	>	stages.add(CompletableFuture.failedStage(new CFException()));
4189	>
4190	>	List<Method> bugs = new ArrayList<>();
4191	>	for (Method method : allMethods) {
4192	>	Class<?>[] parameterTypes = method.getParameterTypes();
4193	>	Object[] args = new Object[parameterTypes.length];
4194	>	// Manufacture boxed primitives for primitive params
4195	>	for (int i = 0; i < args.length; i++) {
4196	>	Class<?> type = parameterTypes[i];
4197	>	if (parameterTypes[i] == boolean.class)
4198	>	args[i] = false;
4199	>	else if (parameterTypes[i] == int.class)
4200	>	args[i] = 0;
4201	>	else if (parameterTypes[i] == long.class)
4202	>	args[i] = 0L;
4203	>	}
4204	>	for (CompletionStage<Integer> stage : stages) {
4205	>	try {
4206	>	method.invoke(stage, args);
4207	>	bugs.add(method);
4208	>	}
4209	>	catch (java.lang.reflect.InvocationTargetException expected) {
4210	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4211	>	bugs.add(method);
4212	>	// expected.getCause().printStackTrace();
4213	>	}
4214	>	}
4215	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4216	>	}
4217	>	}
4218	>	if (!bugs.isEmpty())
4219	>	throw new Error("Methods did not throw UOE: " + bugs);
4220		}
4221
4222		/**
4223	<	* runAfterEitherAsync result completes exceptionally if either
4224	<	* source cancelled
4223	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4224	>	* is completed normally, with the same value, when source is.
4225		*/
4226	<	public void testRunAfterEitherAsync4E() {
4227	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4228	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4229	<	Noop r = new Noop();
4230	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4231	<	assertTrue(f.cancel(true));
4232	<	checkCompletedWithWrappedCancellationException(g);
4233	<
4234	<	r = new Noop();
4235	<	f = new CompletableFuture<Integer>();
4236	<	f2 = new CompletableFuture<Integer>();
4237	<	assertTrue(f2.cancel(true));
4238	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4239	<	checkCompletedWithWrappedCancellationException(g);
4240	<	}
4226	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4227	>	for (boolean createIncomplete : new boolean[] { true, false })
4228	>	for (Integer v1 : new Integer[] { 1, null })
4229	>	{
4230	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4231	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4232	>	if (!createIncomplete) assertTrue(f.complete(v1));
4233	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4234	>	if (createIncomplete) {
4235	>	checkIncomplete(f);
4236	>	checkIncomplete(g);
4237	>	assertTrue(f.complete(v1));
4238	>	}
4239	>	checkCompletedNormally(f, v1);
4240	>	checkCompletedNormally(g, v1);
4241	>	}}
4242	>
4243	>	/**
4244	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4245	>	* is completed exceptionally when source is.
4246	>	*/
4247	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4248	>	for (boolean createIncomplete : new boolean[] { true, false })
4249	>	{
4250	>	CFException ex = new CFException();
4251	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4252	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4253	>	if (!createIncomplete) f.completeExceptionally(ex);
4254	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4255	>	if (createIncomplete) {
4256	>	checkIncomplete(f);
4257	>	checkIncomplete(g);
4258	>	f.completeExceptionally(ex);
4259	>	}
4260	>	checkCompletedExceptionally(f, ex);
4261	>	checkCompletedWithWrappedException(g, ex);
4262	>	}}
4263
4264		/**
4265	<	* thenCompse result completes normally after normal completion of source
4266	<	*/
4267	<	public void testThenComposeAsyncE() {
4268	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4269	<	CompletableFutureInc r = new CompletableFutureInc();
4270	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4271	<	f.complete(one);
4272	<	checkCompletedNormally(g, two);
4273	<	}
4265	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4266	>	*/
4267	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4268	>	for (Integer v1 : new Integer[] { 1, null })
4269	>	{
4270	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4271	>	CompletionStage minimal = f.minimalCompletionStage();
4272	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4273	>	assertTrue(g.complete(v1));
4274	>	checkCompletedNormally(g, v1);
4275	>	checkIncomplete(f);
4276	>	checkIncomplete(minimal.toCompletableFuture());
4277	>	}}
4278
4279		/**
4280	<	* thenComposeAsync result completes exceptionally after exceptional
2308	<	* completion of source
4280	>	* minimalStage.toCompletableFuture().join() awaits completion
4281		*/
4282	<	public void testThenComposeAsync2E() {
4283	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4284	<	CompletableFutureInc r = new CompletableFutureInc();
4285	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4286	<	f.completeExceptionally(new CFException());
4287	<	checkCompletedWithWrappedCFException(g);
4282	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4283	>	for (boolean createIncomplete : new boolean[] { true, false })
4284	>	for (Integer v1 : new Integer[] { 1, null })
4285	>	{
4286	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4287	>	if (!createIncomplete) assertTrue(f.complete(v1));
4288	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4289	>	if (createIncomplete) assertTrue(f.complete(v1));
4290	>	assertEquals(v1, minimal.toCompletableFuture().join());
4291	>	assertEquals(v1, minimal.toCompletableFuture().get());
4292	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4293	>	}}
4294	>
4295	>	/**
4296	>	* Completion of a toCompletableFuture copy of a minimal stage
4297	>	* does not complete its source.
4298	>	*/
4299	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4300	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4301	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4302	>	assertTrue(g.toCompletableFuture().complete(1));
4303	>	assertTrue(g.toCompletableFuture().complete(null));
4304	>	assertTrue(g.toCompletableFuture().cancel(true));
4305	>	assertTrue(g.toCompletableFuture().cancel(false));
4306	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4307	>	checkIncomplete(g.toCompletableFuture());
4308	>	f.complete(1);
4309	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4310		}
4311
4312	<	/**
4313	<	* thenComposeAsync result completes exceptionally if action does
4314	<	*/
4315	<	public void testThenComposeAsync3E() {
4316	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4317	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
4318	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4319	<	f.complete(one);
4320	<	checkCompletedWithWrappedCFException(g);
4312	>	/** Demo utility method for external reliable toCompletableFuture */
4313	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4314	>	CompletableFuture<T> f = new CompletableFuture<>();
4315	>	stage.handle((T t, Throwable ex) -> {
4316	>	if (ex != null) f.completeExceptionally(ex);
4317	>	else f.complete(t);
4318	>	return null;
4319	>	});
4320	>	return f;
4321	>	}
4322	>
4323	>	/** Demo utility method to join a CompletionStage */
4324	>	static <T> T join(CompletionStage<T> stage) {
4325	>	return toCompletableFuture(stage).join();
4326		}
4327
4328		/**
4329	<	* thenComposeAsync result completes exceptionally if source cancelled
4330	<	*/
4331	<	public void testThenComposeAsync4E() {
4332	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4333	<	CompletableFutureInc r = new CompletableFutureInc();
4334	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4335	<	assertTrue(f.cancel(true));
4336	<	checkCompletedWithWrappedCancellationException(g);
4337	<	}
4329	>	* Joining a minimal stage "by hand" works
4330	>	*/
4331	>	public void testMinimalCompletionStage_join_by_hand() {
4332	>	for (boolean createIncomplete : new boolean[] { true, false })
4333	>	for (Integer v1 : new Integer[] { 1, null })
4334	>	{
4335	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4336	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4337	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4338	>	if (!createIncomplete) assertTrue(f.complete(v1));
4339	>	minimal.thenAccept(x -> g.complete(x));
4340	>	if (createIncomplete) assertTrue(f.complete(v1));
4341	>	g.join();
4342	>	checkCompletedNormally(g, v1);
4343	>	checkCompletedNormally(f, v1);
4344	>	assertEquals(v1, join(minimal));
4345	>	}}
4346	>
4347	>	static class Monad {
4348	>	static class ZeroException extends RuntimeException {
4349	>	public ZeroException() { super("monadic zero"); }
4350	>	}
4351	>	// "return", "unit"
4352	>	static <T> CompletableFuture<T> unit(T value) {
4353	>	return completedFuture(value);
4354	>	}
4355	>	// monadic zero ?
4356	>	static <T> CompletableFuture<T> zero() {
4357	>	return failedFuture(new ZeroException());
4358	>	}
4359	>	// >=>
4360	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4361	>	(Function<T, CompletableFuture<U>> f,
4362	>	Function<U, CompletableFuture<V>> g) {
4363	>	return x -> f.apply(x).thenCompose(g);
4364	>	}
4365
4366	<	// other static methods
4366	>	static void assertZero(CompletableFuture<?> f) {
4367	>	try {
4368	>	f.getNow(null);
4369	>	throw new AssertionError("should throw");
4370	>	} catch (CompletionException success) {
4371	>	assertTrue(success.getCause() instanceof ZeroException);
4372	>	}
4373	>	}
4374
4375	<	/**
4376	<	* allOf(no component futures) returns a future completed normally
4377	<	* with the value null
4378	<	*/
4379	<	public void testAllOf_empty() throws Exception {
4380	<	CompletableFuture<?> f = CompletableFuture.allOf();
4381	<	checkCompletedNormally(f, null);
4382	<	}
4375	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4376	>	CompletableFuture<T> g) {
4377	>	T fval = null, gval = null;
4378	>	Throwable fex = null, gex = null;
4379	>
4380	>	try { fval = f.get(); }
4381	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4382	>	catch (Throwable ex) { fex = ex; }
4383	>
4384	>	try { gval = g.get(); }
4385	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4386	>	catch (Throwable ex) { gex = ex; }
4387	>
4388	>	if (fex != null || gex != null)
4389	>	assertSame(fex.getClass(), gex.getClass());
4390	>	else
4391	>	assertEquals(fval, gval);
4392	>	}
4393
4394	<	/**
4395	<	* allOf returns a future completed when all components complete
2353	<	*/
2354	<	public void testAllOf() throws Exception {
2355	<	for (int k = 1; k < 20; ++k) {
2356	<	CompletableFuture[] fs = new CompletableFuture[k];
2357	<	for (int i = 0; i < k; ++i)
2358	<	fs[i] = new CompletableFuture<Integer>();
2359	<	CompletableFuture<?> f = CompletableFuture.allOf(fs);
2360	<	for (int i = 0; i < k; ++i) {
2361	<	checkIncomplete(f);
2362	<	fs[i].complete(one);
2363	<	}
2364	<	assertTrue(f.isDone());
2365	<	assertFalse(f.isCancelled());
4394	>	static class PlusFuture<T> extends CompletableFuture<T> {
4395	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4396		}
2367	–	}
4397
4398	<	/**
4399	<	* anyOf(no component futures) returns an incomplete future
4400	<	*/
4401	<	public void testAnyOf_empty() throws Exception {
4402	<	CompletableFuture<?> f = CompletableFuture.anyOf();
4403	<	checkIncomplete(f);
4398	>	/** Implements "monadic plus". */
4399	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4400	>	CompletableFuture<? extends T> g) {
4401	>	PlusFuture<T> plus = new PlusFuture<T>();
4402	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4403	>	try {
4404	>	if (ex == null) {
4405	>	if (plus.complete(result))
4406	>	if (plus.firstFailure.get() != null)
4407	>	plus.firstFailure.set(null);
4408	>	}
4409	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4410	>	if (plus.isDone())
4411	>	plus.firstFailure.set(null);
4412	>	}
4413	>	else {
4414	>	// first failure has precedence
4415	>	Throwable first = plus.firstFailure.getAndSet(null);
4416	>
4417	>	// may fail with "Self-suppression not permitted"
4418	>	try { first.addSuppressed(ex); }
4419	>	catch (Exception ignored) {}
4420	>
4421	>	plus.completeExceptionally(first);
4422	>	}
4423	>	} catch (Throwable unexpected) {
4424	>	plus.completeExceptionally(unexpected);
4425	>	}
4426	>	};
4427	>	f.whenComplete(action);
4428	>	g.whenComplete(action);
4429	>	return plus;
4430	>	}
4431		}
4432
4433		/**
4434	<	* allOf returns a future completed when any components complete
4434	>	* CompletableFuture is an additive monad - sort of.
4435	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4436		*/
4437	<	public void testAnyOf() throws Exception {
4438	<	for (int k = 1; k < 20; ++k) {
4439	<	CompletableFuture[] fs = new CompletableFuture[k];
4440	<	for (int i = 0; i < k; ++i)
4441	<	fs[i] = new CompletableFuture<Integer>();
4442	<	CompletableFuture<?> f = CompletableFuture.anyOf(fs);
4443	<	checkIncomplete(f);
4444	<	for (int i = 0; i < k; ++i) {
4445	<	fs[i].complete(one);
4446	<	assertTrue(f.isDone());
4447	<	}
4437	>	public void testAdditiveMonad() throws Throwable {
4438	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4439	>	CompletableFuture<Long> zero = Monad.zero();
4440	>
4441	>	// Some mutually non-commutative functions
4442	>	Function<Long, CompletableFuture<Long>> triple
4443	>	= x -> Monad.unit(3 * x);
4444	>	Function<Long, CompletableFuture<Long>> inc
4445	>	= x -> Monad.unit(x + 1);
4446	>
4447	>	// unit is a right identity: m >>= unit === m
4448	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4449	>	inc.apply(5L));
4450	>	// unit is a left identity: (unit x) >>= f === f x
4451	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4452	>	inc.apply(5L));
4453	>
4454	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4455	>	Monad.assertFutureEquals(
4456	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4457	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4458	>
4459	>	// The case for CompletableFuture as an additive monad is weaker...
4460	>
4461	>	// zero is a monadic zero
4462	>	Monad.assertZero(zero);
4463	>
4464	>	// left zero: zero >>= f === zero
4465	>	Monad.assertZero(zero.thenCompose(inc));
4466	>	// right zero: f >>= (\x -> zero) === zero
4467	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4468	>
4469	>	// f plus zero === f
4470	>	Monad.assertFutureEquals(Monad.unit(5L),
4471	>	Monad.plus(Monad.unit(5L), zero));
4472	>	// zero plus f === f
4473	>	Monad.assertFutureEquals(Monad.unit(5L),
4474	>	Monad.plus(zero, Monad.unit(5L)));
4475	>	// zero plus zero === zero
4476	>	Monad.assertZero(Monad.plus(zero, zero));
4477	>	{
4478	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4479	>	Monad.unit(8L));
4480	>	// non-determinism
4481	>	assertTrue(f.get() == 5L || f.get() == 8L);
4482		}
4483	+
4484	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4485	+	// f plus godot === f (doesn't wait for godot)
4486	+	Monad.assertFutureEquals(Monad.unit(5L),
4487	+	Monad.plus(Monad.unit(5L), godot));
4488	+	// godot plus f === f (doesn't wait for godot)
4489	+	Monad.assertFutureEquals(Monad.unit(5L),
4490	+	Monad.plus(godot, Monad.unit(5L)));
4491	+	}
4492	+
4493	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4494	+	@SuppressWarnings("FutureReturnValueIgnored")
4495	+	public void testRecursiveChains() throws Throwable {
4496	+	for (ExecutionMode m : ExecutionMode.values())
4497	+	for (boolean addDeadEnds : new boolean[] { true, false })
4498	+	{
4499	+	final int val = 42;
4500	+	final int n = expensiveTests ? 1_000 : 2;
4501	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4502	+	CompletableFuture<Integer> tail = head;
4503	+	for (int i = 0; i < n; i++) {
4504	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4505	+	tail = m.thenApply(tail, v -> v + 1);
4506	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4507	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4508	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4509	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4510	+	}
4511	+	head.complete(val);
4512	+	assertEquals(val + 3 * n, (int) tail.join());
4513	+	}}
4514	+
4515	+	/**
4516	+	* A single CompletableFuture with many dependents.
4517	+	* A demo of scalability - runtime is O(n).
4518	+	*/
4519	+	@SuppressWarnings("FutureReturnValueIgnored")
4520	+	public void testManyDependents() throws Throwable {
4521	+	final int n = expensiveTests ? 1_000_000 : 10;
4522	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4523	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4524	+	final AtomicInteger count = new AtomicInteger(0);
4525	+	for (int i = 0; i < n; i++) {
4526	+	head.thenRun(() -> count.getAndIncrement());
4527	+	head.thenAccept(x -> count.getAndIncrement());
4528	+	head.thenApply(x -> count.getAndIncrement());
4529	+
4530	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4531	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4532	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4533	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4534	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4535	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4536	+
4537	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4538	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4539	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4540	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4541	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4542	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4543	+	}
4544	+	head.complete(null);
4545	+	assertEquals(5 * 3 * n, count.get());
4546		}
4547
4548	<	/**
4549	<	* Completion methods throw NullPointerException with null arguments
4550	<	*/
4551	<	public void testNPE() {
4552	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4553	<	CompletableFuture<Integer> g = new CompletableFuture<Integer>();
4554	<	CompletableFuture h;
4555	<	try { h = f.thenApply(null); } catch (NullPointerException ok) {}
4556	<	try { h = f.thenAccept(null); } catch (NullPointerException ok) {}
4557	<	try { h = f.thenRun(null); } catch (NullPointerException ok) {}
4558	<	try { h = f.thenCombine(g, null); } catch (NullPointerException ok) {}
4559	<	try { h = f.thenCombine(null, null); } catch (NullPointerException ok) {}
4560	<	try { h = f.applyToEither(g, null); } catch (NullPointerException ok) {}
4561	<	try { h = f.applyToEither(null, null); } catch (NullPointerException ok) {}
4562	<	try { h = f.thenAcceptBoth(g, null); } catch (NullPointerException ok) {}
4563	<	try { h = f.thenAcceptBoth(null, null); } catch (NullPointerException ok) {}
4564	<	try { h = f.runAfterEither(g, null); } catch (NullPointerException ok) {}
4565	<	try { h = f.runAfterEither(null, null); } catch (NullPointerException ok) {}
4566	<	try { h = f.runAfterBoth(g, null); } catch (NullPointerException ok) {}
4567	<	try { h = f.runAfterBoth(null, null); } catch (NullPointerException ok) {}
4568	<	try { h = f.exceptionally(null); } catch (NullPointerException ok) {}
4569	<	try { h = f.handle(null); } catch (NullPointerException ok) {}
4570	<	try { h = f.thenCompose(null); } catch (NullPointerException ok) {}
2417	<
2418	<	try { h = f.thenApplyAsync(null); } catch (NullPointerException ok) {}
2419	<	try { h = f.thenAcceptAsync(null); } catch (NullPointerException ok) {}
2420	<	try { h = f.thenRunAsync(null); } catch (NullPointerException ok) {}
2421	<	try { h = f.thenCombineAsync(g, null); } catch (NullPointerException ok) {}
2422	<	try { h = f.thenCombineAsync(null, null); } catch (NullPointerException ok) {}
2423	<	try { h = f.applyToEitherAsync(g, null); } catch (NullPointerException ok) {}
2424	<	try { h = f.applyToEitherAsync(null, null); } catch (NullPointerException ok) {}
2425	<	try { h = f.thenAcceptBothAsync(g, null); } catch (NullPointerException ok) {}
2426	<	try { h = f.thenAcceptBothAsync(null, null); } catch (NullPointerException ok) {}
2427	<	try { h = f.runAfterEitherAsync(g, null); } catch (NullPointerException ok) {}
2428	<	try { h = f.runAfterEitherAsync(null, null); } catch (NullPointerException ok) {}
2429	<	try { h = f.runAfterBothAsync(g, null); } catch (NullPointerException ok) {}
2430	<	try { h = f.runAfterBothAsync(null, null); } catch (NullPointerException ok) {}
4548	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4549	>	@SuppressWarnings("FutureReturnValueIgnored")
4550	>	public void testCoCompletionGarbageRetention() throws Throwable {
4551	>	final int n = expensiveTests ? 1_000_000 : 10;
4552	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4553	>	CompletableFuture<Integer> f;
4554	>	for (int i = 0; i < n; i++) {
4555	>	f = new CompletableFuture<>();
4556	>	f.runAfterEither(incomplete, () -> {});
4557	>	f.complete(null);
4558	>
4559	>	f = new CompletableFuture<>();
4560	>	f.acceptEither(incomplete, x -> {});
4561	>	f.complete(null);
4562	>
4563	>	f = new CompletableFuture<>();
4564	>	f.applyToEither(incomplete, x -> x);
4565	>	f.complete(null);
4566	>
4567	>	f = new CompletableFuture<>();
4568	>	CompletableFuture.anyOf(f, incomplete);
4569	>	f.complete(null);
4570	>	}
4571
4572	+	for (int i = 0; i < n; i++) {
4573	+	f = new CompletableFuture<>();
4574	+	incomplete.runAfterEither(f, () -> {});
4575	+	f.complete(null);
4576	+
4577	+	f = new CompletableFuture<>();
4578	+	incomplete.acceptEither(f, x -> {});
4579	+	f.complete(null);
4580	+
4581	+	f = new CompletableFuture<>();
4582	+	incomplete.applyToEither(f, x -> x);
4583	+	f.complete(null);
4584	+
4585	+	f = new CompletableFuture<>();
4586	+	CompletableFuture.anyOf(incomplete, f);
4587	+	f.complete(null);
4588	+	}
4589		}
4590
4591	+	/**
4592	+	* Reproduction recipe for:
4593	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4594	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4595	+	*/
4596	+	public void testAnyOfGarbageRetention() throws Throwable {
4597	+	for (Integer v : new Integer[] { 1, null })
4598	+	{
4599	+	final int n = expensiveTests ? 100_000 : 10;
4600	+	CompletableFuture<Integer>[] fs
4601	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4602	+	for (int i = 0; i < fs.length; i++)
4603	+	fs[i] = new CompletableFuture<>();
4604	+	fs[fs.length - 1].complete(v);
4605	+	for (int i = 0; i < n; i++)
4606	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4607	+	}}
4608	+
4609	+	/**
4610	+	* Checks for garbage retention with allOf.
4611	+	*
4612	+	* As of 2016-07, fails with OOME:
4613	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4614	+	*/
4615	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4616	+	final int n = expensiveTests ? 100_000 : 10;
4617	+	CompletableFuture<Integer>[] fs
4618	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4619	+	for (int i = 0; i < fs.length; i++)
4620	+	fs[i] = new CompletableFuture<>();
4621	+	for (int i = 0; i < n; i++)
4622	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4623	+	}
4624	+
4625	+	/**
4626	+	* Checks for garbage retention when a dependent future is
4627	+	* cancelled and garbage-collected.
4628	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4629	+	*
4630	+	* As of 2016-07, fails with OOME:
4631	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4632	+	*/
4633	+	public void testCancelledGarbageRetention() throws Throwable {
4634	+	final int n = expensiveTests ? 100_000 : 10;
4635	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4636	+	for (int i = 0; i < n; i++)
4637	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4638	+	}
4639	+
4640	+	/**
4641	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4642	+	* is invoked many times.
4643	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4644	+	*
4645	+	* As of 2016-07, fails with OOME:
4646	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4647	+	*/
4648	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4649	+	final int n = expensiveTests ? 900_000 : 10;
4650	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4651	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4652	+	for (int i = 0; i < n; i++)
4653	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4654	+	}
4655	+
4656	+	//     static <U> U join(CompletionStage<U> stage) {
4657	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4658	+	//         stage.whenComplete((v, ex) -> {
4659	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4660	+	//         });
4661	+	//         return f.join();
4662	+	//     }
4663	+
4664	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4665	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4666	+	//         stage.whenComplete((v, ex) -> {
4667	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4668	+	//         });
4669	+	//         return f.isDone();
4670	+	//     }
4671	+
4672	+	//     static <U> U join2(CompletionStage<U> stage) {
4673	+	//         return stage.toCompletableFuture().copy().join();
4674	+	//     }
4675	+
4676	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4677	+	//         return stage.toCompletableFuture().copy().isDone();
4678	+	//     }
4679	+
4680	+	// For testing default implementations
4681	+	// Only non-default interface methods defined.
4682	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4683	+	final CompletableFuture<T> cf;
4684	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4685	+	public CompletableFuture<T> toCompletableFuture() {
4686	+	return cf; }
4687	+	public CompletionStage<Void> thenRun
4688	+	(Runnable action) {
4689	+	return cf.thenRun(action); }
4690	+	public CompletionStage<Void> thenRunAsync
4691	+	(Runnable action) {
4692	+	return cf.thenRunAsync(action); }
4693	+	public CompletionStage<Void> thenRunAsync
4694	+	(Runnable action,
4695	+	Executor executor) {
4696	+	return cf.thenRunAsync(action, executor); }
4697	+	public CompletionStage<Void> thenAccept
4698	+	(Consumer<? super T> action) {
4699	+	return cf.thenAccept(action); }
4700	+	public CompletionStage<Void> thenAcceptAsync
4701	+	(Consumer<? super T> action) {
4702	+	return cf.thenAcceptAsync(action); }
4703	+	public CompletionStage<Void> thenAcceptAsync
4704	+	(Consumer<? super T> action,
4705	+	Executor executor) {
4706	+	return cf.thenAcceptAsync(action, executor); }
4707	+	public <U> CompletionStage<U> thenApply
4708	+	(Function<? super T,? extends U> a) {
4709	+	return cf.thenApply(a); }
4710	+	public <U> CompletionStage<U> thenApplyAsync
4711	+	(Function<? super T,? extends U> fn) {
4712	+	return cf.thenApplyAsync(fn); }
4713	+	public <U> CompletionStage<U> thenApplyAsync
4714	+	(Function<? super T,? extends U> fn,
4715	+	Executor executor) {
4716	+	return cf.thenApplyAsync(fn, executor); }
4717	+	public <U,V> CompletionStage<V> thenCombine
4718	+	(CompletionStage<? extends U> other,
4719	+	BiFunction<? super T,? super U,? extends V> fn) {
4720	+	return cf.thenCombine(other, fn); }
4721	+	public <U,V> CompletionStage<V> thenCombineAsync
4722	+	(CompletionStage<? extends U> other,
4723	+	BiFunction<? super T,? super U,? extends V> fn) {
4724	+	return cf.thenCombineAsync(other, fn); }
4725	+	public <U,V> CompletionStage<V> thenCombineAsync
4726	+	(CompletionStage<? extends U> other,
4727	+	BiFunction<? super T,? super U,? extends V> fn,
4728	+	Executor executor) {
4729	+	return cf.thenCombineAsync(other, fn, executor); }
4730	+	public <U> CompletionStage<Void> thenAcceptBoth
4731	+	(CompletionStage<? extends U> other,
4732	+	BiConsumer<? super T, ? super U> action) {
4733	+	return cf.thenAcceptBoth(other, action); }
4734	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4735	+	(CompletionStage<? extends U> other,
4736	+	BiConsumer<? super T, ? super U> action) {
4737	+	return cf.thenAcceptBothAsync(other, action); }
4738	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4739	+	(CompletionStage<? extends U> other,
4740	+	BiConsumer<? super T, ? super U> action,
4741	+	Executor executor) {
4742	+	return cf.thenAcceptBothAsync(other, action, executor); }
4743	+	public CompletionStage<Void> runAfterBoth
4744	+	(CompletionStage<?> other,
4745	+	Runnable action) {
4746	+	return cf.runAfterBoth(other, action); }
4747	+	public CompletionStage<Void> runAfterBothAsync
4748	+	(CompletionStage<?> other,
4749	+	Runnable action) {
4750	+	return cf.runAfterBothAsync(other, action); }
4751	+	public CompletionStage<Void> runAfterBothAsync
4752	+	(CompletionStage<?> other,
4753	+	Runnable action,
4754	+	Executor executor) {
4755	+	return cf.runAfterBothAsync(other, action, executor); }
4756	+	public <U> CompletionStage<U> applyToEither
4757	+	(CompletionStage<? extends T> other,
4758	+	Function<? super T, U> fn) {
4759	+	return cf.applyToEither(other, fn); }
4760	+	public <U> CompletionStage<U> applyToEitherAsync
4761	+	(CompletionStage<? extends T> other,
4762	+	Function<? super T, U> fn) {
4763	+	return cf.applyToEitherAsync(other, fn); }
4764	+	public <U> CompletionStage<U> applyToEitherAsync
4765	+	(CompletionStage<? extends T> other,
4766	+	Function<? super T, U> fn,
4767	+	Executor executor) {
4768	+	return cf.applyToEitherAsync(other, fn, executor); }
4769	+	public CompletionStage<Void> acceptEither
4770	+	(CompletionStage<? extends T> other,
4771	+	Consumer<? super T> action) {
4772	+	return cf.acceptEither(other, action); }
4773	+	public CompletionStage<Void> acceptEitherAsync
4774	+	(CompletionStage<? extends T> other,
4775	+	Consumer<? super T> action) {
4776	+	return cf.acceptEitherAsync(other, action); }
4777	+	public CompletionStage<Void> acceptEitherAsync
4778	+	(CompletionStage<? extends T> other,
4779	+	Consumer<? super T> action,
4780	+	Executor executor) {
4781	+	return cf.acceptEitherAsync(other, action, executor); }
4782	+	public CompletionStage<Void> runAfterEither
4783	+	(CompletionStage<?> other,
4784	+	Runnable action) {
4785	+	return cf.runAfterEither(other, action); }
4786	+	public CompletionStage<Void> runAfterEitherAsync
4787	+	(CompletionStage<?> other,
4788	+	Runnable action) {
4789	+	return cf.runAfterEitherAsync(other, action); }
4790	+	public CompletionStage<Void> runAfterEitherAsync
4791	+	(CompletionStage<?> other,
4792	+	Runnable action,
4793	+	Executor executor) {
4794	+	return cf.runAfterEitherAsync(other, action, executor); }
4795	+	public <U> CompletionStage<U> thenCompose
4796	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4797	+	return cf.thenCompose(fn); }
4798	+	public <U> CompletionStage<U> thenComposeAsync
4799	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4800	+	return cf.thenComposeAsync(fn); }
4801	+	public <U> CompletionStage<U> thenComposeAsync
4802	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4803	+	Executor executor) {
4804	+	return cf.thenComposeAsync(fn, executor); }
4805	+	public <U> CompletionStage<U> handle
4806	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4807	+	return cf.handle(fn); }
4808	+	public <U> CompletionStage<U> handleAsync
4809	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4810	+	return cf.handleAsync(fn); }
4811	+	public <U> CompletionStage<U> handleAsync
4812	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4813	+	Executor executor) {
4814	+	return cf.handleAsync(fn, executor); }
4815	+	public CompletionStage<T> whenComplete
4816	+	(BiConsumer<? super T, ? super Throwable> action) {
4817	+	return cf.whenComplete(action); }
4818	+	public CompletionStage<T> whenCompleteAsync
4819	+	(BiConsumer<? super T, ? super Throwable> action) {
4820	+	return cf.whenCompleteAsync(action); }
4821	+	public CompletionStage<T> whenCompleteAsync
4822	+	(BiConsumer<? super T, ? super Throwable> action,
4823	+	Executor executor) {
4824	+	return cf.whenCompleteAsync(action, executor); }
4825	+	public CompletionStage<T> exceptionally
4826	+	(Function<Throwable, ? extends T> fn) {
4827	+	return cf.exceptionally(fn); }
4828	+	}
4829	+
4830	+	/**
4831	+	* default-implemented exceptionallyAsync action is not invoked when
4832	+	* source completes normally, and source result is propagated
4833	+	*/
4834	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4835	+	for (boolean createIncomplete : new boolean[] { true, false })
4836	+	for (Integer v1 : new Integer[] { 1, null })
4837	+	{
4838	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4839	+	final DelegatedCompletionStage<Integer> d =
4840	+	new DelegatedCompletionStage<Integer>(f);
4841	+	if (!createIncomplete) assertTrue(f.complete(v1));
4842	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4843	+	((Throwable t) -> {
4844	+	threadFail("should not be called");
4845	+	return null;            // unreached
4846	+	});
4847	+	if (createIncomplete) assertTrue(f.complete(v1));
4848	+
4849	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4850	+	}}
4851	+
4852	+	/**
4853	+	* default-implemented exceptionallyAsync action completes with
4854	+	* function value on source exception
4855	+	*/
4856	+	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4857	+	for (boolean createIncomplete : new boolean[] { true, false })
4858	+	for (Integer v1 : new Integer[] { 1, null })
4859	+	{
4860	+	final AtomicInteger a = new AtomicInteger(0);
4861	+	final CFException ex = new CFException();
4862	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4863	+	final DelegatedCompletionStage<Integer> d =
4864	+	new DelegatedCompletionStage<Integer>(f);
4865	+	if (!createIncomplete) f.completeExceptionally(ex);
4866	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4867	+	((Throwable t) -> {
4868	+	threadAssertSame(t, ex);
4869	+	a.getAndIncrement();
4870	+	return v1;
4871	+	});
4872	+	if (createIncomplete) f.completeExceptionally(ex);
4873	+
4874	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4875	+	assertEquals(1, a.get());
4876	+	}}
4877	+
4878	+	/**
4879	+	* Under default implementation, if an "exceptionally action"
4880	+	* throws an exception, it completes exceptionally with that
4881	+	* exception
4882	+	*/
4883	+	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4884	+	for (boolean createIncomplete : new boolean[] { true, false })
4885	+	{
4886	+	final AtomicInteger a = new AtomicInteger(0);
4887	+	final CFException ex1 = new CFException();
4888	+	final CFException ex2 = new CFException();
4889	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4890	+	final DelegatedCompletionStage<Integer> d =
4891	+	new DelegatedCompletionStage<Integer>(f);
4892	+	if (!createIncomplete) f.completeExceptionally(ex1);
4893	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4894	+	((Throwable t) -> {
4895	+	threadAssertSame(t, ex1);
4896	+	a.getAndIncrement();
4897	+	throw ex2;
4898	+	});
4899	+	if (createIncomplete) f.completeExceptionally(ex1);
4900	+
4901	+	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4902	+	checkCompletedExceptionally(f, ex1);
4903	+	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4904	+	assertEquals(1, a.get());
4905	+	}}
4906	+
4907	+	/**
4908	+	* default-implemented exceptionallyCompose result completes
4909	+	* normally after normal completion of source
4910	+	*/
4911	+	public void testDefaultExceptionallyCompose_normalCompletion() {
4912	+	for (boolean createIncomplete : new boolean[] { true, false })
4913	+	for (Integer v1 : new Integer[] { 1, null })
4914	+	{
4915	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4916	+	final ExceptionalCompletableFutureFunction r =
4917	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4918	+	final DelegatedCompletionStage<Integer> d =
4919	+	new DelegatedCompletionStage<Integer>(f);
4920	+	if (!createIncomplete) assertTrue(f.complete(v1));
4921	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4922	+	if (createIncomplete) assertTrue(f.complete(v1));
4923	+
4924	+	checkCompletedNormally(f, v1);
4925	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4926	+	r.assertNotInvoked();
4927	+	}}
4928	+
4929	+	/**
4930	+	* default-implemented exceptionallyCompose result completes
4931	+	* normally after exceptional completion of source
4932	+	*/
4933	+	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4934	+	for (boolean createIncomplete : new boolean[] { true, false })
4935	+	{
4936	+	final CFException ex = new CFException();
4937	+	final ExceptionalCompletableFutureFunction r =
4938	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4939	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4940	+	final DelegatedCompletionStage<Integer> d =
4941	+	new DelegatedCompletionStage<Integer>(f);
4942	+	if (!createIncomplete) f.completeExceptionally(ex);
4943	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4944	+	if (createIncomplete) f.completeExceptionally(ex);
4945	+
4946	+	checkCompletedExceptionally(f, ex);
4947	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4948	+	r.assertInvoked();
4949	+	}}
4950	+
4951	+	/**
4952	+	* default-implemented exceptionallyCompose completes
4953	+	* exceptionally on exception if action does
4954	+	*/
4955	+	public void testDefaultExceptionallyCompose_actionFailed() {
4956	+	for (boolean createIncomplete : new boolean[] { true, false })
4957	+	{
4958	+	final CFException ex = new CFException();
4959	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4960	+	final FailingExceptionalCompletableFutureFunction r
4961	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4962	+	final DelegatedCompletionStage<Integer> d =
4963	+	new DelegatedCompletionStage<Integer>(f);
4964	+	if (!createIncomplete) f.completeExceptionally(ex);
4965	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4966	+	if (createIncomplete) f.completeExceptionally(ex);
4967	+
4968	+	checkCompletedExceptionally(f, ex);
4969	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4970	+	r.assertInvoked();
4971	+	}}
4972	+
4973	+	/**
4974	+	* default-implemented exceptionallyComposeAsync result completes
4975	+	* normally after normal completion of source
4976	+	*/
4977	+	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4978	+	for (boolean createIncomplete : new boolean[] { true, false })
4979	+	for (Integer v1 : new Integer[] { 1, null })
4980	+	{
4981	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4982	+	final ExceptionalCompletableFutureFunction r =
4983	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4984	+	final DelegatedCompletionStage<Integer> d =
4985	+	new DelegatedCompletionStage<Integer>(f);
4986	+	if (!createIncomplete) assertTrue(f.complete(v1));
4987	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4988	+	if (createIncomplete) assertTrue(f.complete(v1));
4989	+
4990	+	checkCompletedNormally(f, v1);
4991	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4992	+	r.assertNotInvoked();
4993	+	}}
4994	+
4995	+	/**
4996	+	* default-implemented exceptionallyComposeAsync result completes
4997	+	* normally after exceptional completion of source
4998	+	*/
4999	+	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
5000	+	for (boolean createIncomplete : new boolean[] { true, false })
5001	+	{
5002	+	final CFException ex = new CFException();
5003	+	final ExceptionalCompletableFutureFunction r =
5004	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5005	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5006	+	final DelegatedCompletionStage<Integer> d =
5007	+	new DelegatedCompletionStage<Integer>(f);
5008	+	if (!createIncomplete) f.completeExceptionally(ex);
5009	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5010	+	if (createIncomplete) f.completeExceptionally(ex);
5011	+
5012	+	checkCompletedExceptionally(f, ex);
5013	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5014	+	r.assertInvoked();
5015	+	}}
5016	+
5017	+	/**
5018	+	* default-implemented exceptionallyComposeAsync completes
5019	+	* exceptionally on exception if action does
5020	+	*/
5021	+	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5022	+	for (boolean createIncomplete : new boolean[] { true, false })
5023	+	{
5024	+	final CFException ex = new CFException();
5025	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5026	+	final FailingExceptionalCompletableFutureFunction r
5027	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5028	+	final DelegatedCompletionStage<Integer> d =
5029	+	new DelegatedCompletionStage<Integer>(f);
5030	+	if (!createIncomplete) f.completeExceptionally(ex);
5031	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5032	+	if (createIncomplete) f.completeExceptionally(ex);
5033	+
5034	+	checkCompletedExceptionally(f, ex);
5035	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5036	+	r.assertInvoked();
5037	+	}}
5038	+
5039	+	/**
5040	+	* default-implemented exceptionallyComposeAsync result completes
5041	+	* normally after normal completion of source
5042	+	*/
5043	+	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5044	+	for (boolean createIncomplete : new boolean[] { true, false })
5045	+	for (Integer v1 : new Integer[] { 1, null })
5046	+	{
5047	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5048	+	final ExceptionalCompletableFutureFunction r =
5049	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5050	+	final DelegatedCompletionStage<Integer> d =
5051	+	new DelegatedCompletionStage<Integer>(f);
5052	+	if (!createIncomplete) assertTrue(f.complete(v1));
5053	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5054	+	if (createIncomplete) assertTrue(f.complete(v1));
5055	+
5056	+	checkCompletedNormally(f, v1);
5057	+	checkCompletedNormally(g.toCompletableFuture(), v1);
5058	+	r.assertNotInvoked();
5059	+	}}
5060	+
5061	+	/**
5062	+	* default-implemented exceptionallyComposeAsync result completes
5063	+	* normally after exceptional completion of source
5064	+	*/
5065	+	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5066	+	for (boolean createIncomplete : new boolean[] { true, false })
5067	+	{
5068	+	final CFException ex = new CFException();
5069	+	final ExceptionalCompletableFutureFunction r =
5070	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5071	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5072	+	final DelegatedCompletionStage<Integer> d =
5073	+	new DelegatedCompletionStage<Integer>(f);
5074	+	if (!createIncomplete) f.completeExceptionally(ex);
5075	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5076	+	if (createIncomplete) f.completeExceptionally(ex);
5077	+
5078	+	checkCompletedExceptionally(f, ex);
5079	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5080	+	r.assertInvoked();
5081	+	}}
5082	+
5083	+	/**
5084	+	* default-implemented exceptionallyComposeAsync completes
5085	+	* exceptionally on exception if action does
5086	+	*/
5087	+	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5088	+	for (boolean createIncomplete : new boolean[] { true, false })
5089	+	{
5090	+	final CFException ex = new CFException();
5091	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5092	+	final FailingExceptionalCompletableFutureFunction r
5093	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5094	+	final DelegatedCompletionStage<Integer> d =
5095	+	new DelegatedCompletionStage<Integer>(f);
5096	+	if (!createIncomplete) f.completeExceptionally(ex);
5097	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5098	+	if (createIncomplete) f.completeExceptionally(ex);
5099	+
5100	+	checkCompletedExceptionally(f, ex);
5101	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5102	+	r.assertInvoked();
5103	+	}}
5104
5105		}

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