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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.38 by jsr166, Sun Jun 1 23:51:44 2014 UTC vs.
Revision 1.213 by jsr166, Mon Sep 24 17:13:37 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;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	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 42 | 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	<	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	try {
79	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.join());
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
64	<	try {
65	<	assertEquals(value, f.getNow(null));
66	<	} 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());
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91		assertFalse(f.isCompletedExceptionally());
92	<	assertTrue(f.toString().contains("[Completed normally]"));
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
96	<	try {
97	<	f.get(LONG_DELAY_MS, MILLISECONDS);
98	<	shouldThrow();
99	<	} catch (ExecutionException success) {
100	<	assertTrue(success.getCause() instanceof CFException);
101	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
102	<	try {
84	<	f.join();
85	<	shouldThrow();
86	<	} catch (CompletionException success) {
87	<	assertTrue(success.getCause() instanceof CFException);
88	<	}
89	<	try {
90	<	f.getNow(null);
91	<	shouldThrow();
92	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
94	<	}
95	<	try {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
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 checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
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(LONG_DELAY_MS, MILLISECONDS);
118		shouldThrow();
119		} catch (ExecutionException success) {
120	<	assertSame(ex, success.getCause());
120	>	assertSame(cause, success.getCause());
121		} catch (Throwable fail) { threadUnexpectedException(fail); }
122	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
123	+
124		try {
125		f.join();
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.getNow(null);
133		shouldThrow();
134		} catch (CompletionException success) {
135	<	assertSame(ex, success.getCause());
136	<	}
135	>	assertSame(cause, success.getCause());
136	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	>
138		try {
139		f.get();
140		shouldThrow();
141		} catch (ExecutionException success) {
142	<	assertSame(ex, success.getCause());
142	>	assertSame(cause, success.getCause());
143		} catch (Throwable fail) { threadUnexpectedException(fail); }
144	<	assertTrue(f.isDone());
144	>
145		assertFalse(f.isCancelled());
146	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
146	>	assertTrue(f.isDone());
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();
#	Line 153 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
201		assertTrue(f.isCompletedExceptionally());
202	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
202	>	assertTrue(f.isCancelled());
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 204 | Line 217 | public class CompletableFutureTest exten
217		* isCancelled, join, get, and getNow
218		*/
219		public void testComplete() {
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
#	Line 216 | Line 232 | public class CompletableFutureTest exten
232		*/
233		public void testCompleteExceptionally() {
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 226 | Line 243 | public class CompletableFutureTest exten
243		* methods isDone, isCancelled, join, get, and getNow
244		*/
245		public void testCancel() {
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
#	Line 238 | Line 259 | public class CompletableFutureTest exten
259		public void testObtrudeValue() {
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);
#	Line 247 | Line 268 | public class CompletableFutureTest exten
268		f = new CompletableFuture<>();
269		f.obtrudeValue(three);
270		checkCompletedNormally(f, three);
271	+	f.obtrudeValue(null);
272	+	checkCompletedNormally(f, null);
273		f = new CompletableFuture<>();
274		f.completeExceptionally(new CFException());
275		f.obtrudeValue(four);
#	Line 257 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	CompletableFuture<Integer> f = new CompletableFuture<>();
284	<	checkIncomplete(f);
285	<	f.complete(one);
286	<	checkCompletedNormally(f, one);
287	<	f.obtrudeException(new CFException());
288	<	checkCompletedWithWrappedCFException(f);
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	<	f.obtrudeException(new CFException());
297	<	checkCompletedWithWrappedCFException(f);
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	+	for (ExecutionMode m : ExecutionMode.values())
318	+	for (Integer v1 : new Integer[] { 1, null })
319	+	{
320		CompletableFuture<Integer> f = new CompletableFuture<>();
321	<	assertEquals(f.getNumberOfDependents(), 0);
322	<	CompletableFuture g = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 1);
324	<	assertEquals(g.getNumberOfDependents(), 0);
325	<	CompletableFuture h = f.thenRun(new Noop());
326	<	assertEquals(f.getNumberOfDependents(), 2);
327	<	f.complete(1);
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	<	}
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;
341	<
342	<	f = new CompletableFuture<String>();
343	<	assertTrue(f.toString().contains("[Not completed]"));
344	<
345	<	f.complete("foo");
346	<	assertTrue(f.toString().contains("[Completed normally]"));
347	<
348	<	f = new CompletableFuture<String>();
349	<	f.completeExceptionally(new IndexOutOfBoundsException());
350	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
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		/**
#	Line 316 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	// Choose non-commutative actions for better coverage
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	<	// A non-commutative function that handles and produces null values as well.
397	<	static Integer subtract(Integer x, Integer y) {
398	<	return (x == null && y == null) ? null :
399	<	((x == null) ? 42 : x.intValue())
400	<	- ((y == null) ? 99 : y.intValue());
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		// A function that handles and produces null values as well.
#	Line 330 | Line 421 | public class CompletableFutureTest exten
421		return (x == null) ? null : x + 1;
422		}
423
424	<	static final Supplier<Integer> supplyOne =
425	<	() -> Integer.valueOf(1);
426	<	static final Function<Integer, Integer> inc =
427	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
337	<	static final BiFunction<Integer, Integer, Integer> subtract =
338	<	(Integer x, Integer y) -> subtract(x, y);
339	<	static final class IncAction implements Consumer<Integer> {
340	<	int invocationCount = 0;
341	<	Integer value;
342	<	public boolean ran() { return invocationCount == 1; }
424	>	static class NoopConsumer extends CheckedIntegerAction
425	>	implements Consumer<Integer>
426	>	{
427	>	NoopConsumer(ExecutionMode m) { super(m); }
428		public void accept(Integer x) {
429	<	invocationCount++;
430	<	value = inc(x);
429	>	invoked();
430	>	value = x;
431		}
432		}
433	<	static final class IncFunction implements Function<Integer,Integer> {
434	<	int invocationCount = 0;
435	<	Integer value;
436	<	public boolean ran() { return invocationCount == 1; }
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	<	invocationCount++;
439	>	invoked();
440		return value = inc(x);
441		}
442		}
443	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
444	<	int invocationCount = 0;
445	<	Integer value;
446	<	// Check this action was invoked exactly once when result is computed.
447	<	public boolean ran() { return invocationCount == 1; }
443	>
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	>
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	<	invocationCount++;
457	>	invoked();
458		value = subtract(x, y);
459		}
460		}
461	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
462	<	int invocationCount = 0;
463	<	Integer value;
464	<	// Check this action was invoked exactly once when result is computed.
465	<	public boolean ran() { return invocationCount == 1; }
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	<	invocationCount++;
467	>	invoked();
468		return value = subtract(x, y);
469		}
470		}
471	<	static final class Noop implements Runnable {
472	<	boolean ran;
473	<	public void run() { ran = true; }
471	>
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 final class FailingSupplier implements Supplier<Integer> {
480	<	boolean ran;
481	<	public Integer get() { ran = true; throw new CFException(); }
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
548	<	implements Function<Integer, CompletableFuture<Integer>> {
549	<	boolean ran;
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	<	ran = true;
553	<	CompletableFuture<Integer> f = new CompletableFuture<>();
554	<	f.complete(Integer.valueOf(x.intValue() + 1));
414	<	return f;
552	>	invoked();
553	>	value = x;
554	>	return CompletableFuture.completedFuture(inc(x));
555		}
556		}
557
558	<	static final class FailingCompletableFutureFunction
559	<	implements Function<Integer, CompletableFuture<Integer>> {
560	<	boolean ran;
561	<	public CompletableFuture<Integer> apply(Integer x) {
562	<	ran = true; throw new CFException();
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	<	// Used for explicit executor tests
570	<	static final class ThreadExecutor implements Executor {
571	<	AtomicInteger count = new AtomicInteger(0);
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	+	invoked();
586	+	value = x;
587	+	throw ex;
588	+	}
589	+	}
590	+
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		count.getAndIncrement();
596	<	new Thread(r).start();
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	<	boolean ran;
610	<	public Integer apply(Integer x, Throwable t) {
443	<	ran = true;
444	<	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 repeating all the testing code.
619	>	* execution modes without copy/pasting all the test methods.
620		*/
621		enum ExecutionMode {
622	<	DEFAULT {
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);
#	Line 467 | Line 673 | public class CompletableFutureTest exten
673		BiFunction<? super T,? super U,? extends V> a) {
674		return f.thenCombine(g, a);
675		}
676	<	public <T,U> CompletableFuture<U> applyToEither
676	>	public <T> CompletableFuture<Void> runAfterEither
677		(CompletableFuture<T> f,
678	<	CompletionStage<? extends T> g,
679	<	Function<? super T,U> a) {
680	<	return f.applyToEither(g, a);
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,
#	Line 479 | Line 685 | public class CompletableFutureTest exten
685		Consumer<? super T> a) {
686		return f.acceptEither(g, a);
687		}
688	<	public <T> CompletableFuture<Void> runAfterEither
688	>	public <T,U> CompletableFuture<U> applyToEither
689		(CompletableFuture<T> f,
690	<	CompletionStage<?> g,
691	<	java.lang.Runnable a) {
692	<	return f.runAfterEither(g, a);
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.thenCompose(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.whenComplete(a);
740	>	return f.whenCompleteAsync(a);
741		}
498	–	},
499	–
500	–	//             /** Experimental way to do more testing */
501	–	//         REVERSE_DEFAULT {
502	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
503	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
504	–	//                 return g.runAfterBoth(f, a);
505	–	//             }
506	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
507	–	//                 (CompletableFuture<T> f,
508	–	//                  CompletionStage<? extends U> g,
509	–	//                  BiConsumer<? super T,? super U> a) {
510	–	//                 return DEFAULT.thenAcceptBoth(f, g, a);
511	–	//             }
512	–	//         },
513	–
514	–	DEFAULT_ASYNC {
742		public <T,U> CompletableFuture<Void> runAfterBoth
743		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
744		return f.runAfterBothAsync(g, a);
#	Line 528 | Line 755 | public class CompletableFutureTest exten
755		BiFunction<? super T,? super U,? extends V> a) {
756		return f.thenCombineAsync(g, a);
757		}
758	<	public <T,U> CompletableFuture<U> applyToEither
758	>	public <T> CompletableFuture<Void> runAfterEither
759		(CompletableFuture<T> f,
760	<	CompletionStage<? extends T> g,
761	<	Function<? super T,U> a) {
762	<	return f.applyToEitherAsync(g, a);
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,
#	Line 540 | Line 767 | public class CompletableFutureTest exten
767		Consumer<? super T> a) {
768		return f.acceptEitherAsync(g, a);
769		}
770	<	public <T> CompletableFuture<Void> runAfterEither
770	>	public <T,U> CompletableFuture<U> applyToEither
771		(CompletableFuture<T> f,
772	<	CompletionStage<?> g,
773	<	java.lang.Runnable a) {
774	<	return f.runAfterEitherAsync(g, a);
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);
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);
824	>	return f.whenCompleteAsync(a, new ThreadExecutor());
825		}
559	–	},
560	–
561	–	//         REVERSE_DEFAULT_ASYNC {
562	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
563	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
564	–	//                 return f.runAfterBothAsync(g, a);
565	–	//             }
566	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
567	–	//                 (CompletableFuture<T> f,
568	–	//                  CompletionStage<? extends U> g,
569	–	//                  BiConsumer<? super T,? super U> a) {
570	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
571	–	//             }
572	–	//         },
573	–
574	–	EXECUTOR {
826		public <T,U> CompletableFuture<Void> runAfterBoth
827		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
828		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 588 | Line 839 | public class CompletableFutureTest exten
839		BiFunction<? super T,? super U,? extends V> a) {
840		return f.thenCombineAsync(g, a, new ThreadExecutor());
841		}
842	<	public <T,U> CompletableFuture<U> applyToEither
842	>	public <T> CompletableFuture<Void> runAfterEither
843		(CompletableFuture<T> f,
844	<	CompletionStage<? extends T> g,
845	<	Function<? super T,U> a) {
846	<	return f.applyToEitherAsync(g, a, new ThreadExecutor());
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,
#	Line 600 | Line 851 | public class CompletableFutureTest exten
851		Consumer<? super T> a) {
852		return f.acceptEitherAsync(g, a, new ThreadExecutor());
853		}
854	<	public <T> CompletableFuture<Void> runAfterEither
854	>	public <T,U> CompletableFuture<U> applyToEither
855		(CompletableFuture<T> f,
856	<	CompletionStage<?> g,
857	<	java.lang.Runnable a) {
858	<	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
856	>	CompletionStage<? extends T> g,
857	>	Function<? super T,U> a) {
858	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
859		}
860	<	public <T,U> CompletableFuture<U> thenCompose
860	>	public <T> CompletableFuture<T> exceptionally
861		(CompletableFuture<T> f,
862	<	Function<? super T,? extends CompletionStage<U>> a) {
863	<	return f.thenComposeAsync(a, new ThreadExecutor());
862	>	Function<Throwable, ? extends T> fn) {
863	>	return f.exceptionallyAsync(fn, new ThreadExecutor());
864		}
865	<	public <T> CompletableFuture<T> whenComplete
866	<	(CompletableFuture<T> f,
867	<	BiConsumer<? super T,? super Throwable> a) {
617	<	return f.whenCompleteAsync(a, new ThreadExecutor());
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
#	Line 628 | Line 897 | public class CompletableFutureTest exten
897		(CompletableFuture<T> f,
898		CompletionStage<? extends U> g,
899		BiFunction<? super T,? super U,? extends V> a);
900	<	public abstract <T,U> CompletableFuture<U> applyToEither
900	>	public abstract <T> CompletableFuture<Void> runAfterEither
901		(CompletableFuture<T> f,
902	<	CompletionStage<? extends T> g,
903	<	Function<? super T,U> a);
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> CompletableFuture<Void> runAfterEither
908	>	public abstract <T,U> CompletableFuture<U> applyToEither
909		(CompletableFuture<T> f,
910	<	CompletionStage<?> g,
911	<	java.lang.Runnable a);
912	<	public abstract <T,U> CompletableFuture<U> thenCompose
910	>	CompletionStage<? extends T> g,
911	>	Function<? super T,U> a);
912	>	public abstract <T> CompletableFuture<T> exceptionally
913		(CompletableFuture<T> f,
914	<	Function<? super T,? extends CompletionStage<U>> a);
915	<	public abstract <T> CompletableFuture<T> whenComplete
914	>	Function<Throwable, ? extends T> fn);
915	>	public abstract <T> CompletableFuture<T> exceptionallyCompose
916		(CompletableFuture<T> f,
917	<	BiConsumer<? super T,? super Throwable> a);
649	<
650	<
917	>	Function<Throwable, ? extends CompletionStage<T>> fn);
918		}
919
920		/**
921	<	* exceptionally action completes with function value on source
922	<	* exception; otherwise with source value
921	>	* exceptionally action is not invoked when source completes
922	>	* normally, and source result is propagated
923		*/
924	<	public void testExceptionally() {
925	<	CompletableFuture<Integer> f = new CompletableFuture<>();
926	<	ExceptionToInteger r = new ExceptionToInteger();
927	<	CompletableFuture<Integer> g = f.exceptionally(r);
928	<	f.completeExceptionally(new CFException());
929	<	checkCompletedNormally(g, three);
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	<	f = new CompletableFuture<>();
939	<	r = new ExceptionToInteger();
940	<	g = f.exceptionally(r);
667	<	f.complete(one);
668	<	checkCompletedNormally(g, one);
669	<	}
938	>	checkCompletedNormally(g, v1);
939	>	checkCompletedNormally(f, v1);
940	>	}}
941
942		/**
943	<	* handle action completes normally with function value on either
944	<	* normal or exceptional completion of source
943	>	* exceptionally action completes with function value on source
944	>	* exception
945		*/
946	<	public void testHandle() {
947	<	CompletableFuture<Integer> f, g;
948	<	IntegerHandler r;
949	<
950	<	f = new CompletableFuture<>();
951	<	f.completeExceptionally(new CFException());
952	<	g = f.handle(r = new IntegerHandler());
953	<	assertTrue(r.ran);
954	<	checkCompletedNormally(g, three);
955	<
956	<	f = new CompletableFuture<>();
957	<	g = f.handle(r = new IntegerHandler());
958	<	assertFalse(r.ran);
959	<	f.completeExceptionally(new CFException());
960	<	checkCompletedNormally(g, three);
961	<	assertTrue(r.ran);
962	<
692	<	f = new CompletableFuture<>();
693	<	f.complete(one);
694	<	g = f.handle(r = new IntegerHandler());
695	<	assertTrue(r.ran);
696	<	checkCompletedNormally(g, two);
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	<	f = new CompletableFuture<>();
965	<	g = f.handle(r = new IntegerHandler());
966	<	assertFalse(r.ran);
701	<	f.complete(one);
702	<	assertTrue(r.ran);
703	<	checkCompletedNormally(g, two);
704	<	}
964	>	checkCompletedNormally(g, v1);
965	>	assertEquals(1, a.get());
966	>	}}
967
968		/**
969	<	* runAsync completes after running Runnable
969	>	* If an "exceptionally action" throws an exception, it completes
970	>	* exceptionally with that exception
971		*/
972	<	public void testRunAsync() {
973	<	Noop r = new Noop();
974	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
975	<	assertNull(f.join());
976	<	assertTrue(r.ran);
977	<	checkCompletedNormally(f, null);
978	<	}
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	<	* runAsync with executor completes after running Runnable
996	>	* whenComplete action executes on normal completion, propagating
997	>	* source result.
998		*/
999	<	public void testRunAsync2() {
1000	<	Noop r = new Noop();
1001	<	ThreadExecutor exec = new ThreadExecutor();
1002	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1003	<	assertNull(f.join());
1004	<	assertTrue(r.ran);
1005	<	checkCompletedNormally(f, null);
1006	<	assertEquals(1, exec.count.get());
1007	<	}
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	<	/**
1018	<	* failing runAsync completes exceptionally after running Runnable
1019	<	*/
1020	<	public void testRunAsync3() {
734	<	FailingNoop r = new FailingNoop();
735	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
736	<	checkCompletedWithWrappedCFException(f);
737	<	assertTrue(r.ran);
738	<	}
1017	>	checkCompletedNormally(g, v1);
1018	>	checkCompletedNormally(f, v1);
1019	>	assertEquals(1, a.get());
1020	>	}}
1021
1022		/**
1023	<	* supplyAsync completes with result of supplier
1023	>	* whenComplete action executes on exceptional completion, propagating
1024	>	* source result.
1025		*/
1026	<	public void testSupplyAsync() {
1027	<	CompletableFuture<Integer> f;
1028	<	f = CompletableFuture.supplyAsync(supplyOne);
1029	<	assertEquals(f.join(), one);
1030	<	checkCompletedNormally(f, one);
1031	<	}
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	<	* supplyAsync with executor completes with result of supplier
1050	>	* whenComplete action executes on cancelled source, propagating
1051	>	* CancellationException.
1052		*/
1053	<	public void testSupplyAsync2() {
1054	<	CompletableFuture<Integer> f;
1055	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1056	<	assertEquals(f.join(), one);
1057	<	checkCompletedNormally(f, one);
1058	<	}
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	>	checkCompletedWithWrappedCancellationException(g);
1072	>	checkCancelled(f);
1073	>	assertEquals(1, a.get());
1074	>	}}
1075
1076		/**
1077	<	* Failing supplyAsync completes exceptionally
1077	>	* If a whenComplete action throws an exception when triggered by
1078	>	* a normal completion, it completes exceptionally
1079		*/
1080	<	public void testSupplyAsync3() {
1081	<	FailingSupplier r = new FailingSupplier();
1082	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1083	<	checkCompletedWithWrappedCFException(f);
1084	<	assertTrue(r.ran);
1085	<	}
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	<	// seq completion methods
1100	>	checkCompletedWithWrappedException(g, ex);
1101	>	checkCompletedNormally(f, v1);
1102	>	assertEquals(1, a.get());
1103	>	}}
1104
1105		/**
1106	<	* thenRun result completes normally after normal completion of source
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 testThenRun() {
1111	<	CompletableFuture<Integer> f;
1112	<	CompletableFuture<Void> g;
1113	<	Noop r;
1114	<
1115	<	f = new CompletableFuture<>();
1116	<	g = f.thenRun(r = new Noop());
1117	<	f.complete(null);
1118	<	checkCompletedNormally(g, null);
1119	<	assertTrue(r.ran);
1120	<
1121	<	f = new CompletableFuture<>();
1122	<	f.complete(null);
1123	<	g = f.thenRun(r = new Noop());
1124	<	checkCompletedNormally(g, null);
1125	<	assertTrue(r.ran);
1126	<	}
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		/**
1141	<	* thenRun result completes exceptionally after exceptional
1141	>	* handle action completes normally with function value on normal
1142		* completion of source
1143		*/
1144	<	public void testThenRun2() {
1145	<	CompletableFuture<Integer> f;
1146	<	CompletableFuture<Void> g;
1147	<	Noop r;
1148	<
1149	<	f = new CompletableFuture<>();
1150	<	g = f.thenRun(r = new Noop());
1151	<	f.completeExceptionally(new CFException());
1152	<	checkCompletedWithWrappedCFException(g);
1153	<	assertFalse(r.ran);
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	<	f = new CompletableFuture<>();
1164	<	f.completeExceptionally(new CFException());
1165	<	g = f.thenRun(r = new Noop());
1166	<	checkCompletedWithWrappedCFException(g);
812	<	assertFalse(r.ran);
813	<	}
1163	>	checkCompletedNormally(g, inc(v1));
1164	>	checkCompletedNormally(f, v1);
1165	>	assertEquals(1, a.get());
1166	>	}}
1167
1168		/**
1169	<	* thenRun result completes exceptionally if action does
1169	>	* handle action completes normally with function value on
1170	>	* exceptional completion of source
1171		*/
1172	<	public void testThenRun3() {
1173	<	CompletableFuture<Integer> f;
1174	<	CompletableFuture<Void> g;
1175	<	FailingNoop r;
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	<	f = new CompletableFuture<>();
1193	<	g = f.thenRun(r = new FailingNoop());
1194	<	f.complete(null);
1195	<	checkCompletedWithWrappedCFException(g);
1192	>	checkCompletedNormally(g, v1);
1193	>	checkCompletedExceptionally(f, ex);
1194	>	assertEquals(1, a.get());
1195	>	}}
1196
1197	<	f = new CompletableFuture<>();
1198	<	f.complete(null);
1199	<	g = f.thenRun(r = new FailingNoop());
1200	<	checkCompletedWithWrappedCFException(g);
1201	<	}
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	<	* thenRun result completes exceptionally if source cancelled
1227	>	* If a "handle action" throws an exception when triggered by
1228	>	* a normal completion, it completes exceptionally
1229		*/
1230	<	public void testThenRun4() {
1231	<	CompletableFuture<Integer> f;
1232	<	CompletableFuture<Void> g;
1233	<	Noop r;
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	<	f = new CompletableFuture<>();
1251	<	g = f.thenRun(r = new Noop());
1252	<	assertTrue(f.cancel(true));
1253	<	checkCompletedWithWrappedCancellationException(g);
1250	>	checkCompletedWithWrappedException(g, ex);
1251	>	checkCompletedNormally(f, v1);
1252	>	assertEquals(1, a.get());
1253	>	}}
1254
1255	<	f = new CompletableFuture<>();
1256	<	assertTrue(f.cancel(true));
1257	<	g = f.thenRun(r = new Noop());
1258	<	checkCompletedWithWrappedCancellationException(g);
1259	<	}
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	<	* thenApply result completes normally after normal completion of source
1287	>	* runAsync completes after running Runnable
1288		*/
1289	<	public void testThenApply() {
1290	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1291	<	CompletableFuture<Integer> g = f.thenApply(inc);
1292	<	f.complete(one);
1293	<	checkCompletedNormally(g, two);
1294	<	}
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	>	checkCompletedNormally(f, null);
1300	>	r.assertInvoked();
1301	>	}}
1302
1303		/**
1304	<	* thenApply result completes exceptionally after exceptional
865	<	* completion of source
1304	>	* failing runAsync completes exceptionally after running Runnable
1305		*/
1306	<	public void testThenApply2() {
1307	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1308	<	CompletableFuture<Integer> g = f.thenApply(inc);
1309	<	f.completeExceptionally(new CFException());
1310	<	checkCompletedWithWrappedCFException(g);
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	>	assertEquals(1, e.count.get());
1330		}
1331
1332		/**
1333	<	* thenApply result completes exceptionally if action does
1333	>	* supplyAsync completes with result of supplier
1334		*/
1335	<	public void testThenApply3() {
1336	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1337	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1338	<	f.complete(one);
1339	<	checkCompletedWithWrappedCFException(g);
1340	<	}
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	<	* thenApply result completes exceptionally if source cancelled
1351	>	* Failing supplyAsync completes exceptionally
1352		*/
1353	<	public void testThenApply4() {
1354	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1355	<	CompletableFuture<Integer> g = f.thenApply(inc);
1356	<	assertTrue(f.cancel(true));
1357	<	checkCompletedWithWrappedCancellationException(g);
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 completion methods
1380	+
1381		/**
1382	<	* thenAccept result completes normally after normal completion of source
1382	>	* thenRun result completes normally after normal completion of source
1383		*/
1384	<	public void testThenAccept() {
1385	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1386	<	IncAction r = new IncAction();
1387	<	CompletableFuture<Void> g = f.thenAccept(r);
1388	<	f.complete(one);
1389	<	checkCompletedNormally(g, null);
1390	<	assertEquals(r.value, (Integer) 2);
1391	<	}
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	<	* thenAccept result completes exceptionally after exceptional
1414	>	* thenRun result completes exceptionally after exceptional
1415		* completion of source
1416		*/
1417	<	public void testThenAccept2() {
1418	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1419	<	IncAction r = new IncAction();
1420	<	CompletableFuture<Void> g = f.thenAccept(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	<	* thenAccept result completes exceptionally if action does
1447	>	* thenRun result completes exceptionally if source cancelled
1448		*/
1449	<	public void testThenAccept3() {
1450	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1451	<	FailingConsumer r = new FailingConsumer();
1452	<	CompletableFuture<Void> g = f.thenAccept(r);
1453	<	f.complete(one);
1454	<	checkCompletedWithWrappedCFException(g);
1455	<	assertTrue(r.ran);
1456	<	}
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	<	* thenAccept result completes exceptionally if source cancelled
1479	>	* thenRun result completes exceptionally if action does
1480		*/
1481	<	public void testThenAccept4() {
1482	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1483	<	IncAction r = new IncAction();
1484	<	CompletableFuture<Void> g = f.thenAccept(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	<	* thenCombine result completes normally after normal completion
943	<	* of sources
1507	>	* thenApply result completes normally after normal completion of source
1508		*/
1509	<	public void testThenCombine_normalCompletion1() {
1509	>	public void testThenApply_normalCompletion() {
1510		for (ExecutionMode m : ExecutionMode.values())
1511		for (Integer v1 : new Integer[] { 1, null })
1512	<	for (Integer v2 : new Integer[] { 2, null }) {
949	<
1512	>	{
1513		final CompletableFuture<Integer> f = new CompletableFuture<>();
1514	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1515	<	final SubtractFunction r = new SubtractFunction();
953	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
954	<
955	<	f.complete(v1);
956	<	checkIncomplete(h);
957	<	assertFalse(r.ran());
958	<	g.complete(v2);
1514	>	final IncFunction[] rs = new IncFunction[4];
1515	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1516
1517	<	checkCompletedNormally(h, subtract(v1, v2));
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	<	checkCompletedNormally(g, v2);
1531	<	}
964	<	}
1530	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1531	>	}}
1532
1533	<	public void testThenCombine_normalCompletion2() {
1533	>	/**
1534	>	* thenApply result completes exceptionally after exceptional
1535	>	* completion of source
1536	>	*/
1537	>	public void testThenApply_exceptionalCompletion() {
1538		for (ExecutionMode m : ExecutionMode.values())
1539	<	for (Integer v1 : new Integer[] { 1, null })
1540	<	for (Integer v2 : new Integer[] { 2, null }) {
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 source cancelled
1561	+	*/
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 CompletableFuture<Integer> g = new CompletableFuture<>();
1568	<	final SubtractFunction r = new SubtractFunction();
974	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1567	>	final IncFunction[] rs = new IncFunction[4];
1568	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1569
1570	<	g.complete(v2);
1571	<	checkIncomplete(h);
1572	<	assertFalse(r.ran());
1573	<	f.complete(v1);
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	<	checkCompletedNormally(h, subtract(v1, v2));
1577	<	checkCompletedNormally(f, v1);
1578	<	checkCompletedNormally(g, v2);
1579	<	}
1580	<	}
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	<	public void testThenCombine_normalCompletion3() {
1584	>	/**
1585	>	* thenApply result completes exceptionally if action does
1586	>	*/
1587	>	public void testThenApply_actionFailed() {
1588		for (ExecutionMode m : ExecutionMode.values())
1589		for (Integer v1 : new Integer[] { 1, null })
1590	<	for (Integer v2 : new Integer[] { 2, null }) {
991	<
1590	>	{
1591		final CompletableFuture<Integer> f = new CompletableFuture<>();
1592	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1593	<	final SubtractFunction r = new SubtractFunction();
1592	>	final FailingFunction[] rs = new FailingFunction[4];
1593	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1594
1595	<	g.complete(v2);
1596	<	f.complete(v1);
1597	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1598	<
1599	<	checkCompletedNormally(h, subtract(v1, v2));
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	<	checkCompletedNormally(g, v2);
1003	<	}
1004	<	}
1606	>	}}
1607
1608	<	public void testThenCombine_normalCompletion4() {
1608	>	/**
1609	>	* thenAccept result completes normally after normal completion of source
1610	>	*/
1611	>	public void testThenAccept_normalCompletion() {
1612		for (ExecutionMode m : ExecutionMode.values())
1613		for (Integer v1 : new Integer[] { 1, null })
1614	<	for (Integer v2 : new Integer[] { 2, null }) {
1010	<
1614	>	{
1615		final CompletableFuture<Integer> f = new CompletableFuture<>();
1616	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1617	<	final SubtractFunction r = new SubtractFunction();
1616	>	final NoopConsumer[] rs = new NoopConsumer[4];
1617	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1618
1619	<	f.complete(v1);
1620	<	g.complete(v2);
1621	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1622	<
1623	<	checkCompletedNormally(h, subtract(v1, v2));
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	<	checkCompletedNormally(g, v2);
1633	<	}
1023	<	}
1632	>	for (NoopConsumer r : rs) r.assertValue(v1);
1633	>	}}
1634
1635		/**
1636	<	* thenCombine result completes exceptionally after exceptional
1637	<	* completion of either source
1636	>	* thenAccept result completes exceptionally after exceptional
1637	>	* completion of source
1638		*/
1639	<	public void testThenCombine_exceptionalCompletion1() {
1639	>	public void testThenAccept_exceptionalCompletion() {
1640		for (ExecutionMode m : ExecutionMode.values())
1641	<	for (Integer v1 : new Integer[] { 1, null }) {
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 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 CompletableFuture<Integer> g = new CompletableFuture<>();
1670	<	final SubtractFunction r = new SubtractFunction();
1036	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1037	<	final CFException ex = new CFException();
1669	>	final NoopConsumer[] rs = new NoopConsumer[4];
1670	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1671
1672	<	f.completeExceptionally(ex);
1673	<	checkIncomplete(h);
1674	<	g.complete(v1);
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	<	checkCompletedWithWrappedCFException(h, ex);
1679	<	checkCompletedWithWrappedCFException(f, ex);
1680	<	assertFalse(r.ran());
1681	<	checkCompletedNormally(g, v1);
1682	<	}
1683	<	}
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	<	public void testThenCombine_exceptionalCompletion2() {
1686	>	/**
1687	>	* thenAccept result completes exceptionally if action does
1688	>	*/
1689	>	public void testThenAccept_actionFailed() {
1690		for (ExecutionMode m : ExecutionMode.values())
1691	<	for (Integer v1 : new Integer[] { 1, null }) {
1692	<
1691	>	for (Integer v1 : new Integer[] { 1, null })
1692	>	{
1693		final CompletableFuture<Integer> f = new CompletableFuture<>();
1694	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1695	<	final SubtractFunction r = new SubtractFunction();
1057	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1058	<	final CFException ex = new CFException();
1059	<
1060	<	g.completeExceptionally(ex);
1061	<	checkIncomplete(h);
1062	<	f.complete(v1);
1694	>	final FailingConsumer[] rs = new FailingConsumer[4];
1695	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1696
1697	<	checkCompletedWithWrappedCFException(h, ex);
1698	<	checkCompletedWithWrappedCFException(g, ex);
1699	<	assertFalse(r.ran());
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	<	}
1069	<	}
1708	>	}}
1709
1710	<	public void testThenCombine_exceptionalCompletion3() {
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 (Integer v1 : new Integer[] { 1, null }) {
1717	<
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 r = new SubtractFunction();
1723	<	final CFException ex = new CFException();
1722	>	final SubtractFunction[] rs = new SubtractFunction[6];
1723	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1724
1725	<	g.completeExceptionally(ex);
1726	<	f.complete(v1);
1727	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
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
1084	–	checkCompletedWithWrappedCFException(h, ex);
1085	–	checkCompletedWithWrappedCFException(g, ex);
1086	–	assertFalse(r.ran());
1751		checkCompletedNormally(f, v1);
1752	<	}
1753	<	}
1752	>	checkCompletedNormally(g, v2);
1753	>	}}
1754
1755	<	public void testThenCombine_exceptionalCompletion4() {
1755	>	/**
1756	>	* thenCombine result completes exceptionally after exceptional
1757	>	* completion of either source
1758	>	*/
1759	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1760		for (ExecutionMode m : ExecutionMode.values())
1761	<	for (Integer v1 : new Integer[] { 1, null }) {
1762	<
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<>();
1097	–	final SubtractFunction r = new SubtractFunction();
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	<	f.completeExceptionally(ex);
1800	<	g.complete(v1);
1801	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1802	<
1803	<	checkCompletedWithWrappedCFException(h, ex);
1804	<	checkCompletedWithWrappedCFException(f, ex);
1805	<	assertFalse(r.ran());
1806	<	checkCompletedNormally(g, v1);
1807	<	}
1808	<	}
1799	>	/**
1800	>	* thenCombine result completes exceptionally if either source cancelled
1801	>	*/
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 action does
1844		*/
1845	<	public void testThenCombine_actionFailed1() {
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	<
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 r = new FailingBiFunction();
1854	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1855	<
1856	<	f.complete(v1);
1857	<	checkIncomplete(h);
1858	<	g.complete(v2);
1859	<
1860	<	checkCompletedWithWrappedCFException(h);
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	<	}
1132	<	}
1876	>	}}
1877
1878	<	public void testThenCombine_actionFailed2() {
1878	>	/**
1879	>	* thenAcceptBoth result completes normally after normal
1880	>	* completion of sources
1881	>	*/
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	<
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 FailingBiFunction r = new FailingBiFunction();
1891	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1892	<
1893	<	g.complete(v2);
1894	<	checkIncomplete(h);
1895	<	f.complete(v1);
1896	<
1897	<	checkCompletedWithWrappedCFException(h);
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	<	}
1152	<	}
1917	>	}}
1918
1919		/**
1920	<	* thenCombine result completes exceptionally if either source cancelled
1920	>	* thenAcceptBoth result completes exceptionally after exceptional
1921	>	* completion of either source
1922		*/
1923	<	public void testThenCombine_sourceCancelled1() {
1923	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1924		for (ExecutionMode m : ExecutionMode.values())
1925	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1926	<	for (Integer v1 : new Integer[] { 1, null }) {
1927	<
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 SubtractFunction r = new SubtractFunction();
1932	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1933	<
1934	<	assertTrue(f.cancel(mayInterruptIfRunning));
1935	<	checkIncomplete(h);
1936	<	g.complete(v1);
1937	<
1938	<	checkCompletedWithWrappedCancellationException(h);
1939	<	checkCancelled(f);
1940	<	assertFalse(r.ran());
1941	<	checkCompletedNormally(g, v1);
1942	<	}
1943	<	}
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	<	public void testThenCombine_sourceCancelled2() {
1963	>	/**
1964	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1965	>	*/
1966	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1967		for (ExecutionMode m : ExecutionMode.values())
1968		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1969	<	for (Integer v1 : new Integer[] { 1, null }) {
1970	<
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 SubtractFunction r = new SubtractFunction();
1976	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1977	<
1978	<	assertTrue(g.cancel(mayInterruptIfRunning));
1979	<	checkIncomplete(h);
1980	<	f.complete(v1);
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	<	checkCompletedWithWrappedCancellationException(h);
2007	<	checkCancelled(g);
2008	<	assertFalse(r.ran());
2009	<	checkCompletedNormally(f, v1);
1196	<	}
1197	<	}
1198	<
1199	<	public void testThenCombine_sourceCancelled3() {
2006	>	/**
2007	>	* thenAcceptBoth result completes exceptionally if action does
2008	>	*/
2009	>	public void testThenAcceptBoth_actionFailed() {
2010		for (ExecutionMode m : ExecutionMode.values())
2011	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2012	<	for (Integer v1 : new Integer[] { 1, null }) {
2013	<
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 SubtractFunction r = new SubtractFunction();
2018	<
2019	<	assertTrue(g.cancel(mayInterruptIfRunning));
2020	<	f.complete(v1);
2021	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
2022	<
2023	<	checkCompletedWithWrappedCancellationException(h);
2024	<	checkCancelled(g);
2025	<	assertFalse(r.ran());
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	<	}
2040	<	}
1218	<
1219	<	public void testThenCombine_sourceCancelled4() {
1220	<	for (ExecutionMode m : ExecutionMode.values())
1221	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1222	<	for (Integer v1 : new Integer[] { 1, null }) {
1223	<
1224	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1225	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1226	<	final SubtractFunction r = new SubtractFunction();
1227	<
1228	<	assertTrue(f.cancel(mayInterruptIfRunning));
1229	<	g.complete(v1);
1230	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1231	<
1232	<	checkCompletedWithWrappedCancellationException(h);
1233	<	checkCancelled(f);
1234	<	assertFalse(r.ran());
1235	<	checkCompletedNormally(g, v1);
1236	<	}
1237	<	}
2039	>	checkCompletedNormally(g, v2);
2040	>	}}
2041
2042		/**
2043	<	* thenAcceptBoth result completes normally after normal
2043	>	* runAfterBoth result completes normally after normal
2044		* completion of sources
2045		*/
2046	<	public void testThenAcceptBoth_normalCompletion1() {
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	<
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 SubtractAction r = new SubtractAction();
2055	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2056	<
2057	<	f.complete(v1);
2058	<	checkIncomplete(h);
2059	<	assertFalse(r.ran());
2060	<	g.complete(v2);
2061	<
2062	<	checkCompletedNormally(h, null);
2063	<	assertEquals(r.value, subtract(v1, v2));
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	<	}
1263	<	}
2081	>	}}
2082
2083	<	public void testThenAcceptBoth_normalCompletion2() {
2083	>	/**
2084	>	* runAfterBoth result completes exceptionally after exceptional
2085	>	* completion of either source
2086	>	*/
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	<	for (Integer v2 : new Integer[] { 2, null }) {
1269	<
2092	>	{
2093		final CompletableFuture<Integer> f = new CompletableFuture<>();
2094		final CompletableFuture<Integer> g = new CompletableFuture<>();
2095	<	final SubtractAction r = new SubtractAction();
2096	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2097	<
2098	<	g.complete(v2);
2099	<	checkIncomplete(h);
2100	<	assertFalse(r.ran());
2101	<	f.complete(v1);
2102	<
2103	<	checkCompletedNormally(h, null);
2104	<	assertEquals(r.value, subtract(v1, v2));
2105	<	checkCompletedNormally(f, v1);
2106	<	checkCompletedNormally(g, v2);
2107	<	}
2108	<	}
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	<	public void testThenAcceptBoth_normalCompletion3() {
2127	>	/**
2128	>	* runAfterBoth result completes exceptionally if either source cancelled
2129	>	*/
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	<	for (Integer v2 : new Integer[] { 2, null }) {
1291	<
2136	>	{
2137		final CompletableFuture<Integer> f = new CompletableFuture<>();
2138		final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	<	final SubtractAction r = new SubtractAction();
2140	<
2141	<	g.complete(v2);
2142	<	f.complete(v1);
2143	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
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	<	checkCompletedNormally(h, null);
2171	<	assertEquals(r.value, subtract(v1, v2));
2170	>	/**
2171	>	* runAfterBoth result completes exceptionally if action does
2172	>	*/
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	<	}
1305	<	}
2204	>	}}
2205
2206	<	public void testThenAcceptBoth_normalCompletion4() {
2206	>	/**
2207	>	* applyToEither result completes normally after normal completion
2208	>	* of either source
2209	>	*/
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	<
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 SubtractAction r = new SubtractAction();
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);
1318	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2234
2235	<	checkCompletedNormally(h, null);
2236	<	assertEquals(r.value, subtract(v1, v2));
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	<	}
2248	<	}
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	<	* thenAcceptBoth result completes exceptionally after exceptional
2255	>	* applyToEither result completes exceptionally after exceptional
2256		* completion of either source
2257		*/
2258	<	public void testThenAcceptBoth_exceptionalCompletion1() {
2258	>	public void testApplyToEither_exceptionalCompletion() {
2259		for (ExecutionMode m : ExecutionMode.values())
2260	<	for (Integer v1 : new Integer[] { 1, null }) {
2261	<
2260	>	for (Integer v1 : new Integer[] { 1, null })
2261	>	{
2262		final CompletableFuture<Integer> f = new CompletableFuture<>();
2263		final CompletableFuture<Integer> g = new CompletableFuture<>();
1337	–	final SubtractAction r = new SubtractAction();
1338	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
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	<	checkIncomplete(h);
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	<	checkCompletedWithWrappedCFException(h, ex);
2284	<	checkCompletedWithWrappedCFException(f, ex);
2285	<	assertFalse(r.ran());
2286	<	checkCompletedNormally(g, v1);
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		}
1350	–	}
2300
2301	<	public void testThenAcceptBoth_exceptionalCompletion2() {
2302	<	for (ExecutionMode m : ExecutionMode.values())
2303	<	for (Integer v1 : new Integer[] { 1, null }) {
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<>();
1358	–	final SubtractAction r = new SubtractAction();
1359	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
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	<	g.completeExceptionally(ex);
2323	<	checkIncomplete(h);
2324	<	f.complete(v1);
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	<	checkCompletedWithWrappedCFException(h, ex);
2330	<	checkCompletedWithWrappedCFException(g, ex);
2331	<	assertFalse(r.ran());
2332	<	checkCompletedNormally(f, v1);
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		}
1371	–	}
2358
2359	<	public void testThenAcceptBoth_exceptionalCompletion3() {
2360	<	for (ExecutionMode m : ExecutionMode.values())
2361	<	for (Integer v1 : new Integer[] { 1, null }) {
2359	>	checkCompletedNormally(f, v1);
2360	>	checkCompletedExceptionally(g, ex);
2361	>	}}
2362
2363	+	/**
2364	+	* applyToEither result completes exceptionally if either source cancelled
2365	+	*/
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 SubtractAction r = new SubtractAction();
2374	<	final CFException ex = new CFException();
2373	>	final IncFunction[] rs = new IncFunction[6];
2374	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2375
2376	<	g.completeExceptionally(ex);
2377	<	f.complete(v1);
2378	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
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	<	checkCompletedWithWrappedCFException(h, ex);
2392	<	checkCompletedWithWrappedCFException(g, ex);
2393	<	assertFalse(r.ran());
2394	<	checkCompletedNormally(f, v1);
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		}
1391	–	}
2408
2409	<	public void testThenAcceptBoth_exceptionalCompletion4() {
2410	<	for (ExecutionMode m : ExecutionMode.values())
2411	<	for (Integer v1 : new Integer[] { 1, null }) {
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 SubtractAction r = new SubtractAction();
2427	<	final CFException ex = new CFException();
2426	>	final IncFunction[] rs = new IncFunction[6];
2427	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2428
2429	<	f.completeExceptionally(ex);
2430	<	g.complete(v1);
2431	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
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	<	checkCompletedWithWrappedCFException(h, ex);
2437	<	checkCompletedWithWrappedCFException(f, ex);
2438	<	assertFalse(r.ran());
2439	<	checkCompletedNormally(g, v1);
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	<	}
2465	>
2466	>	checkCompletedNormally(f, v1);
2467	>	checkCancelled(g);
2468	>	}}
2469
2470		/**
2471	<	* thenAcceptBoth result completes exceptionally if action does
2471	>	* applyToEither result completes exceptionally if action does
2472		*/
2473	<	public void testThenAcceptBoth_actionFailed1() {
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	<
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 FailingBiConsumer r = new FailingBiConsumer();
2481	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
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	<	checkIncomplete(h);
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	<	checkCompletedWithWrappedCFException(h);
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	<	}
1434	<	}
2509	>	}}
2510
2511	<	public void testThenAcceptBoth_actionFailed2() {
2511	>	/**
2512	>	* acceptEither result completes normally after normal completion
2513	>	* of either source
2514	>	*/
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	<
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 FailingBiConsumer r = new FailingBiConsumer();
2523	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2522	>	final NoopConsumer[] rs = new NoopConsumer[6];
2523	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2524
2525	<	g.complete(v2);
2526	<	checkIncomplete(h);
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
1450	–	checkCompletedWithWrappedCFException(h);
2554		checkCompletedNormally(f, v1);
2555		checkCompletedNormally(g, v2);
2556	<	}
2557	<	}
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	<	* thenAcceptBoth result completes exceptionally if either source cancelled
2564	>	* acceptEither result completes exceptionally after exceptional
2565	>	* completion of either source
2566		*/
2567	<	public void testThenAcceptBoth_sourceCancelled1() {
2567	>	public void testAcceptEither_exceptionalCompletion() {
2568		for (ExecutionMode m : ExecutionMode.values())
2569	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2570	<	for (Integer v1 : new Integer[] { 1, null }) {
1463	<
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 SubtractAction r = new SubtractAction();
2574	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
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
1469	–	assertTrue(f.cancel(mayInterruptIfRunning));
1470	–	checkIncomplete(h);
2591		g.complete(v1);
2592
2593	<	checkCompletedWithWrappedCancellationException(h);
2594	<	checkCancelled(f);
2595	<	assertFalse(r.ran());
2596	<	checkCompletedNormally(g, v1);
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		}
1478	–	}
2610
2611	<	public void testThenAcceptBoth_sourceCancelled2() {
2612	<	for (ExecutionMode m : ExecutionMode.values())
2613	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2614	<	for (Integer v1 : new Integer[] { 1, null }) {
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 SubtractAction r = new SubtractAction();
2629	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
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	<	assertTrue(g.cancel(mayInterruptIfRunning));
2633	<	checkIncomplete(h);
2634	<	f.complete(v1);
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	<	checkCompletedWithWrappedCancellationException(h);
2640	<	checkCancelled(g);
2641	<	assertFalse(r.ran());
2642	<	checkCompletedNormally(f, v1);
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		}
1499	–	}
1500	–
1501	–	public void testThenAcceptBoth_sourceCancelled3() {
1502	–	for (ExecutionMode m : ExecutionMode.values())
1503	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1504	–	for (Integer v1 : new Integer[] { 1, null }) {
1505	–
1506	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1507	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1508	–	final SubtractAction r = new SubtractAction();
1509	–
1510	–	assertTrue(g.cancel(mayInterruptIfRunning));
1511	–	f.complete(v1);
1512	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2668
1514	–	checkCompletedWithWrappedCancellationException(h);
1515	–	checkCancelled(g);
1516	–	assertFalse(r.ran());
2669		checkCompletedNormally(f, v1);
2670	<	}
2671	<	}
2670	>	checkCompletedExceptionally(g, ex);
2671	>	}}
2672
2673	<	public void testThenAcceptBoth_sourceCancelled4() {
2673	>	/**
2674	>	* acceptEither result completes exceptionally if either source cancelled
2675	>	*/
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	<
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 SubtractAction r = new SubtractAction();
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
1530	–	assertTrue(f.cancel(mayInterruptIfRunning));
2700		g.complete(v1);
1532	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2701
2702	<	checkCompletedWithWrappedCancellationException(h);
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		checkCancelled(f);
1536	–	assertFalse(r.ran());
2721		checkCompletedNormally(g, v1);
2722	<	}
2723	<	}
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	<	* runAfterBoth result completes normally after normal
1543	<	* completion of sources
2730	>	* acceptEither result completes exceptionally if action does
2731		*/
2732	<	public void testRunAfterBoth_normalCompletion1() {
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	<
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 Noop r = new Noop();
2740	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
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	<	checkIncomplete(h);
2746	<	assertFalse(r.ran);
2747	<	g.complete(v2);
2748	<
2749	<	checkCompletedNormally(h, null);
2750	<	assertTrue(r.ran);
2751	<	checkCompletedNormally(f, v1);
1563	<	checkCompletedNormally(g, v2);
1564	<	}
1565	<	}
1566	<
1567	<	public void testRunAfterBoth_normalCompletion2() {
1568	<	for (ExecutionMode m : ExecutionMode.values())
1569	<	for (Integer v1 : new Integer[] { 1, null })
1570	<	for (Integer v2 : new Integer[] { 2, null }) {
1571	<
1572	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1573	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1574	<	final Noop r = new Noop();
1575	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
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);
1578	–	checkIncomplete(h);
1579	–	assertFalse(r.ran);
1580	–	f.complete(v1);
2754
2755	<	checkCompletedNormally(h, null);
2756	<	assertTrue(r.ran);
2757	<	checkCompletedNormally(f, v1);
2758	<	checkCompletedNormally(g, v2);
2759	<	}
2760	<	}
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
1589	–	public void testRunAfterBoth_normalCompletion3() {
1590	–	for (ExecutionMode m : ExecutionMode.values())
1591	–	for (Integer v1 : new Integer[] { 1, null })
1592	–	for (Integer v2 : new Integer[] { 2, null }) {
1593	–
1594	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1595	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1596	–	final Noop r = new Noop();
1597	–
1598	–	g.complete(v2);
1599	–	f.complete(v1);
1600	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1601	–
1602	–	checkCompletedNormally(h, null);
1603	–	assertTrue(r.ran);
2766		checkCompletedNormally(f, v1);
2767		checkCompletedNormally(g, v2);
2768	<	}
1607	<	}
2768	>	}}
2769
2770	<	public void testRunAfterBoth_normalCompletion4() {
2770	>	/**
2771	>	* runAfterEither result completes normally after normal completion
2772	>	* of either source
2773	>	*/
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	<
2779	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2780	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2781	<	final Noop r = new Noop();
2782	<
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);
1620	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2808
2809	<	checkCompletedNormally(h, null);
2810	<	assertTrue(r.ran);
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	<	}
2815	<	}
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	<	* runAfterBoth result completes exceptionally after exceptional
2824	>	* runAfterEither result completes exceptionally after exceptional
2825		* completion of either source
2826		*/
2827	<	public void testRunAfterBoth_exceptionalCompletion1() {
2827	>	public void testRunAfterEither_exceptionalCompletion() {
2828		for (ExecutionMode m : ExecutionMode.values())
2829	<	for (Integer v1 : new Integer[] { 1, null }) {
2830	<
2829	>	for (Integer v1 : new Integer[] { 1, null })
2830	>	{
2831		final CompletableFuture<Integer> f = new CompletableFuture<>();
2832		final CompletableFuture<Integer> g = new CompletableFuture<>();
1639	–	final Noop r = new Noop();
1640	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
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	<	f.completeExceptionally(ex);
2838	<	checkIncomplete(h);
2839	<	g.complete(v1);
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	<	checkCompletedWithWrappedCFException(h, ex);
1648	<	checkCompletedWithWrappedCFException(f, ex);
1649	<	assertFalse(r.ran);
2871	>	checkCompletedExceptionally(f, ex);
2872		checkCompletedNormally(g, v1);
2873	<	}
2874	<	}
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 testRunAfterBoth_exceptionalCompletion2() {
2881	>	public void testRunAfterEither_exceptionalCompletion2() {
2882		for (ExecutionMode m : ExecutionMode.values())
2883	<	for (Integer v1 : new Integer[] { 1, null }) {
2884	<
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<>();
1660	–	final Noop r = new Noop();
1661	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
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	<	g.completeExceptionally(ex);
2893	<	checkIncomplete(h);
2894	<	f.complete(v1);
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	<	checkCompletedWithWrappedCFException(h, ex);
2900	<	checkCompletedWithWrappedCFException(g, ex);
2901	<	assertFalse(r.ran);
2902	<	checkCompletedNormally(f, v1);
2899	>	// unspecified behavior - both source completions available
2900	>	try {
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		}
1673	–	}
1674	–
1675	–	public void testRunAfterBoth_exceptionalCompletion3() {
1676	–	for (ExecutionMode m : ExecutionMode.values())
1677	–	for (Integer v1 : new Integer[] { 1, null }) {
1678	–
1679	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1680	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1681	–	final Noop r = new Noop();
1682	–	final CFException ex = new CFException();
1683	–
1684	–	g.completeExceptionally(ex);
1685	–	f.complete(v1);
1686	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2928
1688	–	checkCompletedWithWrappedCFException(h, ex);
1689	–	checkCompletedWithWrappedCFException(g, ex);
1690	–	assertFalse(r.ran);
2929		checkCompletedNormally(f, v1);
2930	<	}
2931	<	}
2930	>	checkCompletedExceptionally(g, ex);
2931	>	}}
2932
2933	<	public void testRunAfterBoth_exceptionalCompletion4() {
2933	>	/**
2934	>	* runAfterEither result completes exceptionally if either source cancelled
2935	>	*/
2936	>	public void testRunAfterEither_sourceCancelled() {
2937		for (ExecutionMode m : ExecutionMode.values())
2938	<	for (Integer v1 : new Integer[] { 1, null }) {
2939	<
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 r = new Noop();
2944	<	final CFException ex = new CFException();
2943	>	final Noop[] rs = new Noop[6];
2944	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2945
2946	<	f.completeExceptionally(ex);
2947	<	g.complete(v1);
2948	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
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	<	checkCompletedWithWrappedCFException(h, ex);
1709	<	checkCompletedWithWrappedCFException(f, ex);
1710	<	assertFalse(r.ran);
2980	>	checkCancelled(f);
2981		checkCompletedNormally(g, v1);
2982	<	}
2983	<	}
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	<	* runAfterBoth result completes exceptionally if action does
2990	>	* runAfterEither result completes exceptionally if action does
2991		*/
2992	<	public void testRunAfterBoth_actionFailed1() {
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	<
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 FailingNoop r = new FailingNoop();
3000	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2999	>	final FailingRunnable[] rs = new FailingRunnable[6];
3000	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3001
3002	<	f.complete(v1);
3003	<	checkIncomplete(h);
3004	<	g.complete(v2);
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
1732	–	checkCompletedWithWrappedCFException(h);
3018		checkCompletedNormally(f, v1);
3019		checkCompletedNormally(g, v2);
3020	<	}
3021	<	}
3020	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3021	>	}}
3022
3023	<	public void testRunAfterBoth_actionFailed2() {
3023	>	/**
3024	>	* thenCompose result completes normally after normal completion of source
3025	>	*/
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	<	for (Integer v2 : new Integer[] { 2, null }) {
1742	<
3030	>	{
3031		final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3033	<	final FailingNoop r = new FailingNoop();
3034	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
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	<	g.complete(v2);
1749	<	checkIncomplete(h);
1750	<	f.complete(v1);
1751	<
1752	<	checkCompletedWithWrappedCFException(h);
3037	>	checkCompletedNormally(g, inc(v1));
3038		checkCompletedNormally(f, v1);
3039	<	checkCompletedNormally(g, v2);
3040	<	}
1756	<	}
3039	>	r.assertValue(v1);
3040	>	}}
3041
3042		/**
3043	<	* runAfterBoth result completes exceptionally if either source cancelled
3043	>	* thenCompose result completes exceptionally after exceptional
3044	>	* completion of source
3045		*/
3046	<	public void testRunAfterBoth_sourceCancelled1() {
3046	>	public void testThenCompose_exceptionalCompletion() {
3047		for (ExecutionMode m : ExecutionMode.values())
3048	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3049	<	for (Integer v1 : new Integer[] { 1, null }) {
3050	<
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	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3054	<	final Noop r = new Noop();
3055	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
3056	<
3057	<	assertTrue(f.cancel(mayInterruptIfRunning));
3058	<	checkIncomplete(h);
3059	<	g.complete(v1);
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	<	checkCompletedWithWrappedCancellationException(h);
3063	<	checkCancelled(f);
3064	<	assertFalse(r.ran);
3065	<	checkCompletedNormally(g, v1);
1779	<	}
1780	<	}
1781	<
1782	<	public void testRunAfterBoth_sourceCancelled2() {
3062	>	/**
3063	>	* thenCompose result completes exceptionally if action does
3064	>	*/
3065	>	public void testThenCompose_actionFailed() {
3066		for (ExecutionMode m : ExecutionMode.values())
3067	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3068	<	for (Integer v1 : new Integer[] { 1, null }) {
3069	<
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 CompletableFuture<Integer> g = new CompletableFuture<>();
3072	<	final Noop r = new Noop();
3073	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
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	<	assertTrue(g.cancel(mayInterruptIfRunning));
1793	<	checkIncomplete(h);
1794	<	f.complete(v1);
1795	<
1796	<	checkCompletedWithWrappedCancellationException(h);
1797	<	checkCancelled(g);
1798	<	assertFalse(r.ran);
3077	>	checkCompletedWithWrappedException(g, r.ex);
3078		checkCompletedNormally(f, v1);
3079	<	}
1801	<	}
3079	>	}}
3080
3081	<	public void testRunAfterBoth_sourceCancelled3() {
3081	>	/**
3082	>	* thenCompose result completes exceptionally if source cancelled
3083	>	*/
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	<	for (Integer v1 : new Integer[] { 1, null }) {
1807	<
3088	>	{
3089		final CompletableFuture<Integer> f = new CompletableFuture<>();
3090	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3091	<	final Noop r = new Noop();
3092	<
3093	<	assertTrue(g.cancel(mayInterruptIfRunning));
3094	<	f.complete(v1);
3095	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1815	<
1816	<	checkCompletedWithWrappedCancellationException(h);
1817	<	checkCancelled(g);
1818	<	assertFalse(r.ran);
1819	<	checkCompletedNormally(f, v1);
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		}
1821	–	}
1822	–
1823	–	public void testRunAfterBoth_sourceCancelled4() {
1824	–	for (ExecutionMode m : ExecutionMode.values())
1825	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1826	–	for (Integer v1 : new Integer[] { 1, null }) {
3097
3098	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1829	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1830	<	final Noop r = new Noop();
1831	<
1832	<	assertTrue(f.cancel(mayInterruptIfRunning));
1833	<	g.complete(v1);
1834	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1835	<
1836	<	checkCompletedWithWrappedCancellationException(h);
3098	>	checkCompletedWithWrappedCancellationException(g);
3099		checkCancelled(f);
3100	<	assertFalse(r.ran);
1839	<	checkCompletedNormally(g, v1);
1840	<	}
1841	<	}
3100	>	}}
3101
3102		/**
3103	<	* applyToEither result completes normally after normal completion
1845	<	* of either source
3103	>	* thenCompose result completes exceptionally if the result of the action does
3104		*/
3105	<	public void testApplyToEither() {
3106	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3107	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3108	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
3109	<	f.complete(one);
3110	<	checkCompletedNormally(g, two);
3111	<	f2.complete(one);
3112	<	checkCompletedNormally(g, two);
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<>();
3150	<	f.complete(one);
3151	<	f2 = new CompletableFuture<>();
3152	<	g = f.applyToEither(f2, inc);
1860	<	checkCompletedNormally(g, two);
1861	<	}
3149	>	checkCompletedExceptionally(g, ex);
3150	>	checkCompletedWithWrappedException(h, ex);
3151	>	checkCompletedNormally(f, v1);
3152	>	}}
3153
3154		/**
3155	<	* applyToEither result completes exceptionally after exceptional
3156	<	* completion of either source
3155	>	* exceptionallyCompose result completes normally after normal
3156	>	* completion of source
3157		*/
3158	<	public void testApplyToEither2() {
3159	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3160	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3161	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
3162	<	f.completeExceptionally(new CFException());
3163	<	f2.complete(one);
3164	<	checkCompletedWithWrappedCFException(g);
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	<	f = new CompletableFuture<>();
3171	<	f2 = new CompletableFuture<>();
3172	<	f2.completeExceptionally(new CFException());
3173	<	g = f.applyToEither(f2, inc);
1879	<	checkCompletedWithWrappedCFException(g);
1880	<	}
3170	>	checkCompletedNormally(f, v1);
3171	>	checkCompletedNormally(g, v1);
3172	>	r.assertNotInvoked();
3173	>	}}
3174
3175		/**
3176	<	* applyToEither result completes exceptionally if action does
3176	>	* exceptionallyCompose result completes normally after exceptional
3177	>	* completion of source
3178		*/
3179	<	public void testApplyToEither3() {
3180	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3181	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3182	<	FailingFunction r = new FailingFunction();
3183	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
3184	<	f2.complete(two);
3185	<	checkCompletedWithWrappedCFException(g);
3186	<	}
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	<	/**
3192	<	* applyToEither result completes exceptionally if either source cancelled
3193	<	*/
3194	<	public void testApplyToEither4() {
1898	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1899	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1900	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1901	<	assertTrue(f.cancel(true));
1902	<	checkCompletedWithWrappedCancellationException(g);
1903	<	f = new CompletableFuture<>();
1904	<	f2 = new CompletableFuture<>();
1905	<	assertTrue(f2.cancel(true));
1906	<	checkCompletedWithWrappedCancellationException(g);
1907	<	}
3191	>	checkCompletedExceptionally(f, ex);
3192	>	checkCompletedNormally(g, r.value);
3193	>	r.assertInvoked();
3194	>	}}
3195
3196		/**
3197	<	* acceptEither result completes normally after normal completion
1911	<	* of either source
3197	>	* exceptionallyCompose completes exceptionally on exception if action does
3198		*/
3199	<	public void testAcceptEither() {
3200	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3201	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3202	<	IncAction r = new IncAction();
3203	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
3204	<	f.complete(one);
3205	<	checkCompletedNormally(g, null);
3206	<	f2.complete(one);
3207	<	checkCompletedNormally(g, null);
3208	<	assertEquals(r.value, (Integer) 2);
3199	>	public void testExceptionallyCompose_actionFailed() {
3200	>	for (ExecutionMode m : ExecutionMode.values())
3201	>	for (boolean createIncomplete : new boolean[] { true, false })
3202	>	for (Integer v1 : new Integer[] { 1, null })
3203	>	{
3204	>	final CFException ex = new CFException();
3205	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3206	>	final FailingExceptionalCompletableFutureFunction r
3207	>	= new FailingExceptionalCompletableFutureFunction(m);
3208	>	if (!createIncomplete) f.completeExceptionally(ex);
3209	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3210	>	if (createIncomplete) f.completeExceptionally(ex);
3211
3212	<	r = new IncAction();
3213	<	f = new CompletableFuture<>();
3214	<	f.complete(one);
3215	<	f2 = new CompletableFuture<>();
1928	<	g = f.acceptEither(f2, r);
1929	<	checkCompletedNormally(g, null);
1930	<	assertEquals(r.value, (Integer) 2);
1931	<	}
3212	>	checkCompletedExceptionally(f, ex);
3213	>	checkCompletedWithWrappedException(g, r.ex);
3214	>	r.assertInvoked();
3215	>	}}
3216
3217		/**
3218	<	* acceptEither result completes exceptionally after exceptional
3219	<	* completion of either source
3218	>	* exceptionallyCompose result completes exceptionally if the
3219	>	* result of the action does
3220		*/
3221	<	public void testAcceptEither2() {
3222	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3223	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3224	<	IncAction r = new IncAction();
3225	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
3226	<	f.completeExceptionally(new CFException());
3227	<	f2.complete(one);
3228	<	checkCompletedWithWrappedCFException(g);
3221	>	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3222	>	for (ExecutionMode m : ExecutionMode.values())
3223	>	for (int order = 0; order < 6; order++)
3224	>	for (Integer v1 : new Integer[] { 1, null })
3225	>	{
3226	>	final CFException ex0 = new CFException();
3227	>	final CFException ex = new CFException();
3228	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3229	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3230	>	final CompletableFuture<Integer> h;
3231	>	// Test all permutations of orders
3232	>	switch (order) {
3233	>	case 0:
3234	>	assertTrue(f.completeExceptionally(ex0));
3235	>	assertTrue(g.completeExceptionally(ex));
3236	>	h = m.exceptionallyCompose(f, (x -> g));
3237	>	break;
3238	>	case 1:
3239	>	assertTrue(f.completeExceptionally(ex0));
3240	>	h = m.exceptionallyCompose(f, (x -> g));
3241	>	assertTrue(g.completeExceptionally(ex));
3242	>	break;
3243	>	case 2:
3244	>	assertTrue(g.completeExceptionally(ex));
3245	>	assertTrue(f.completeExceptionally(ex0));
3246	>	h = m.exceptionallyCompose(f, (x -> g));
3247	>	break;
3248	>	case 3:
3249	>	assertTrue(g.completeExceptionally(ex));
3250	>	h = m.exceptionallyCompose(f, (x -> g));
3251	>	assertTrue(f.completeExceptionally(ex0));
3252	>	break;
3253	>	case 4:
3254	>	h = m.exceptionallyCompose(f, (x -> g));
3255	>	assertTrue(f.completeExceptionally(ex0));
3256	>	assertTrue(g.completeExceptionally(ex));
3257	>	break;
3258	>	case 5:
3259	>	h = m.exceptionallyCompose(f, (x -> g));
3260	>	assertTrue(f.completeExceptionally(ex0));
3261	>	assertTrue(g.completeExceptionally(ex));
3262	>	break;
3263	>	default: throw new AssertionError();
3264	>	}
3265	>
3266	>	checkCompletedExceptionally(g, ex);
3267	>	checkCompletedWithWrappedException(h, ex);
3268	>	checkCompletedExceptionally(f, ex0);
3269	>	}}
3270
3271	<	r = new IncAction();
1947	<	f = new CompletableFuture<>();
1948	<	f2 = new CompletableFuture<>();
1949	<	f2.completeExceptionally(new CFException());
1950	<	g = f.acceptEither(f2, r);
1951	<	checkCompletedWithWrappedCFException(g);
1952	<	}
3271	>	// other static methods
3272
3273		/**
3274	<	* acceptEither result completes exceptionally if action does
3274	>	* allOf(no component futures) returns a future completed normally
3275	>	* with the value null
3276		*/
3277	<	public void testAcceptEither3() {
3278	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3279	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1960	<	FailingConsumer r = new FailingConsumer();
1961	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1962	<	f2.complete(two);
1963	<	checkCompletedWithWrappedCFException(g);
3277	>	public void testAllOf_empty() throws Exception {
3278	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3279	>	checkCompletedNormally(f, null);
3280		}
3281
3282		/**
3283	<	* acceptEither result completes exceptionally if either source cancelled
3283	>	* allOf returns a future completed normally with the value null
3284	>	* when all components complete normally
3285		*/
3286	<	public void testAcceptEither4() {
3287	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3288	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3289	<	IncAction r = new IncAction();
3290	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
3291	<	assertTrue(f.cancel(true));
3292	<	checkCompletedWithWrappedCancellationException(g);
3293	<	f = new CompletableFuture<>();
3294	<	f2 = new CompletableFuture<>();
3295	<	assertTrue(f2.cancel(true));
3296	<	checkCompletedWithWrappedCancellationException(g);
3286	>	public void testAllOf_normal() throws Exception {
3287	>	for (int k = 1; k < 10; k++) {
3288	>	CompletableFuture<Integer>[] fs
3289	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3290	>	for (int i = 0; i < k; i++)
3291	>	fs[i] = new CompletableFuture<>();
3292	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3293	>	for (int i = 0; i < k; i++) {
3294	>	checkIncomplete(f);
3295	>	checkIncomplete(CompletableFuture.allOf(fs));
3296	>	fs[i].complete(one);
3297	>	}
3298	>	checkCompletedNormally(f, null);
3299	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3300	>	}
3301		}
3302
3303	<	/**
3304	<	* runAfterEither result completes normally after normal completion
3305	<	* of either source
3306	<	*/
3307	<	public void testRunAfterEither() {
3308	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3309	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3310	<	Noop r = new Noop();
3311	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3312	<	f.complete(one);
3313	<	checkCompletedNormally(g, null);
3314	<	f2.complete(one);
3315	<	checkCompletedNormally(g, null);
3316	<	assertTrue(r.ran);
3303	>	public void testAllOf_normal_backwards() throws Exception {
3304	>	for (int k = 1; k < 10; k++) {
3305	>	CompletableFuture<Integer>[] fs
3306	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3307	>	for (int i = 0; i < k; i++)
3308	>	fs[i] = new CompletableFuture<>();
3309	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3310	>	for (int i = k - 1; i >= 0; i--) {
3311	>	checkIncomplete(f);
3312	>	checkIncomplete(CompletableFuture.allOf(fs));
3313	>	fs[i].complete(one);
3314	>	}
3315	>	checkCompletedNormally(f, null);
3316	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3317	>	}
3318	>	}
3319
3320	<	r = new Noop();
3321	<	f = new CompletableFuture<>();
3322	<	f.complete(one);
3323	<	f2 = new CompletableFuture<>();
3324	<	g = f.runAfterEither(f2, r);
3325	<	checkCompletedNormally(g, null);
3326	<	assertTrue(r.ran);
3320	>	public void testAllOf_exceptional() throws Exception {
3321	>	for (int k = 1; k < 10; k++) {
3322	>	CompletableFuture<Integer>[] fs
3323	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3324	>	CFException ex = new CFException();
3325	>	for (int i = 0; i < k; i++)
3326	>	fs[i] = new CompletableFuture<>();
3327	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3328	>	for (int i = 0; i < k; i++) {
3329	>	checkIncomplete(f);
3330	>	checkIncomplete(CompletableFuture.allOf(fs));
3331	>	if (i != k / 2) {
3332	>	fs[i].complete(i);
3333	>	checkCompletedNormally(fs[i], i);
3334	>	} else {
3335	>	fs[i].completeExceptionally(ex);
3336	>	checkCompletedExceptionally(fs[i], ex);
3337	>	}
3338	>	}
3339	>	checkCompletedWithWrappedException(f, ex);
3340	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3341	>	}
3342		}
3343
3344		/**
3345	<	* runAfterEither result completes exceptionally after exceptional
2008	<	* completion of either source
3345	>	* anyOf(no component futures) returns an incomplete future
3346		*/
3347	<	public void testRunAfterEither2() {
3348	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3349	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3350	<	Noop r = new Noop();
3351	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2015	<	f.completeExceptionally(new CFException());
2016	<	f2.complete(one);
2017	<	checkCompletedWithWrappedCFException(g);
3347	>	public void testAnyOf_empty() throws Exception {
3348	>	for (Integer v1 : new Integer[] { 1, null })
3349	>	{
3350	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3351	>	checkIncomplete(f);
3352
3353	<	r = new Noop();
3354	<	f = new CompletableFuture<>();
3355	<	f2 = new CompletableFuture<>();
2022	<	f2.completeExceptionally(new CFException());
2023	<	g = f.runAfterEither(f2, r);
2024	<	checkCompletedWithWrappedCFException(g);
2025	<	}
3353	>	f.complete(v1);
3354	>	checkCompletedNormally(f, v1);
3355	>	}}
3356
3357		/**
3358	<	* runAfterEither result completes exceptionally if action does
3358	>	* anyOf returns a future completed normally with a value when
3359	>	* a component future does
3360		*/
3361	<	public void testRunAfterEither3() {
3362	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3363	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3364	<	FailingNoop r = new FailingNoop();
3365	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3366	<	f2.complete(two);
3367	<	checkCompletedWithWrappedCFException(g);
3361	>	public void testAnyOf_normal() throws Exception {
3362	>	for (int k = 0; k < 10; k++) {
3363	>	CompletableFuture[] fs = new CompletableFuture[k];
3364	>	for (int i = 0; i < k; i++)
3365	>	fs[i] = new CompletableFuture<>();
3366	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3367	>	checkIncomplete(f);
3368	>	for (int i = 0; i < k; i++) {
3369	>	fs[i].complete(i);
3370	>	checkCompletedNormally(f, 0);
3371	>	int x = (int) CompletableFuture.anyOf(fs).join();
3372	>	assertTrue(0 <= x && x <= i);
3373	>	}
3374	>	}
3375		}
3376	<
3377	<	/**
3378	<	* runAfterEither result completes exceptionally if either source cancelled
3379	<	*/
3380	<	public void testRunAfterEither4() {
3381	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3382	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3383	<	Noop r = new Noop();
3384	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3385	<	assertTrue(f.cancel(true));
3386	<	checkCompletedWithWrappedCancellationException(g);
3387	<	f = new CompletableFuture<>();
3388	<	f2 = new CompletableFuture<>();
3389	<	assertTrue(f2.cancel(true));
2052	<	checkCompletedWithWrappedCancellationException(g);
3376	>	public void testAnyOf_normal_backwards() throws Exception {
3377	>	for (int k = 0; k < 10; k++) {
3378	>	CompletableFuture[] fs = new CompletableFuture[k];
3379	>	for (int i = 0; i < k; i++)
3380	>	fs[i] = new CompletableFuture<>();
3381	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3382	>	checkIncomplete(f);
3383	>	for (int i = k - 1; i >= 0; i--) {
3384	>	fs[i].complete(i);
3385	>	checkCompletedNormally(f, k - 1);
3386	>	int x = (int) CompletableFuture.anyOf(fs).join();
3387	>	assertTrue(i <= x && x <= k - 1);
3388	>	}
3389	>	}
3390		}
3391
3392		/**
3393	<	* thenCompose result completes normally after normal completion of source
3393	>	* anyOf result completes exceptionally when any component does.
3394		*/
3395	<	public void testThenCompose() {
3396	<	CompletableFuture<Integer> f, g;
3397	<	CompletableFutureInc r;
3398	<
3399	<	f = new CompletableFuture<>();
3400	<	g = f.thenCompose(r = new CompletableFutureInc());
3401	<	f.complete(one);
3402	<	checkCompletedNormally(g, two);
3403	<	assertTrue(r.ran);
3404	<
3405	<	f = new CompletableFuture<>();
3406	<	f.complete(one);
3407	<	g = f.thenCompose(r = new CompletableFutureInc());
3408	<	checkCompletedNormally(g, two);
3409	<	assertTrue(r.ran);
3395	>	public void testAnyOf_exceptional() throws Exception {
3396	>	for (int k = 0; k < 10; k++) {
3397	>	CompletableFuture[] fs = new CompletableFuture[k];
3398	>	CFException[] exs = new CFException[k];
3399	>	for (int i = 0; i < k; i++) {
3400	>	fs[i] = new CompletableFuture<>();
3401	>	exs[i] = new CFException();
3402	>	}
3403	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3404	>	checkIncomplete(f);
3405	>	for (int i = 0; i < k; i++) {
3406	>	fs[i].completeExceptionally(exs[i]);
3407	>	checkCompletedWithWrappedException(f, exs[0]);
3408	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3409	>	}
3410	>	}
3411		}
3412
3413	<	/**
3414	<	* thenCompose result completes exceptionally after exceptional
3415	<	* completion of source
3416	<	*/
3417	<	public void testThenCompose2() {
3418	<	CompletableFuture<Integer> f, g;
3419	<	CompletableFutureInc r;
3420	<
3421	<	f = new CompletableFuture<>();
3422	<	g = f.thenCompose(r = new CompletableFutureInc());
3423	<	f.completeExceptionally(new CFException());
3424	<	checkCompletedWithWrappedCFException(g);
3425	<
3426	<	f = new CompletableFuture<>();
3427	<	f.completeExceptionally(new CFException());
3428	<	g = f.thenCompose(r = new CompletableFutureInc());
2091	<	checkCompletedWithWrappedCFException(g);
3413	>	public void testAnyOf_exceptional_backwards() throws Exception {
3414	>	for (int k = 0; k < 10; k++) {
3415	>	CompletableFuture[] fs = new CompletableFuture[k];
3416	>	CFException[] exs = new CFException[k];
3417	>	for (int i = 0; i < k; i++) {
3418	>	fs[i] = new CompletableFuture<>();
3419	>	exs[i] = new CFException();
3420	>	}
3421	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3422	>	checkIncomplete(f);
3423	>	for (int i = k - 1; i >= 0; i--) {
3424	>	fs[i].completeExceptionally(exs[i]);
3425	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3426	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3427	>	}
3428	>	}
3429		}
3430
3431		/**
3432	<	* thenCompose result completes exceptionally if action does
3432	>	* Completion methods throw NullPointerException with null arguments
3433		*/
3434	<	public void testThenCompose3() {
3435	<	CompletableFuture<Integer> f, g;
3436	<	FailingCompletableFutureFunction r;
3437	<
3438	<	f = new CompletableFuture<>();
3439	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2103	<	f.complete(one);
2104	<	checkCompletedWithWrappedCFException(g);
3434	>	@SuppressWarnings("FutureReturnValueIgnored")
3435	>	public void testNPE() {
3436	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3437	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3438	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3439	>	ThreadExecutor exec = new ThreadExecutor();
3440
3441	<	f = new CompletableFuture<>();
3442	<	f.complete(one);
3443	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3444	<	checkCompletedWithWrappedCFException(g);
2110	<	}
3441	>	Runnable[] throwingActions = {
3442	>	() -> CompletableFuture.supplyAsync(null),
3443	>	() -> CompletableFuture.supplyAsync(null, exec),
3444	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3445
3446	<	/**
3447	<	* thenCompose result completes exceptionally if source cancelled
3448	<	*/
2115	<	public void testThenCompose4() {
2116	<	CompletableFuture<Integer> f, g;
2117	<	CompletableFutureInc r;
3446	>	() -> CompletableFuture.runAsync(null),
3447	>	() -> CompletableFuture.runAsync(null, exec),
3448	>	() -> CompletableFuture.runAsync(() -> {}, null),
3449
3450	<	f = new CompletableFuture<>();
2120	<	g = f.thenCompose(r = new CompletableFutureInc());
2121	<	assertTrue(f.cancel(true));
2122	<	checkCompletedWithWrappedCancellationException(g);
3450	>	() -> f.completeExceptionally(null),
3451
3452	<	f = new CompletableFuture<>();
3453	<	assertTrue(f.cancel(true));
3454	<	g = f.thenCompose(r = new CompletableFutureInc());
3455	<	checkCompletedWithWrappedCancellationException(g);
2128	<	}
3452	>	() -> f.thenApply(null),
3453	>	() -> f.thenApplyAsync(null),
3454	>	() -> f.thenApplyAsync(x -> x, null),
3455	>	() -> f.thenApplyAsync(null, exec),
3456
3457	<	// asyncs
3457	>	() -> f.thenAccept(null),
3458	>	() -> f.thenAcceptAsync(null),
3459	>	() -> f.thenAcceptAsync(x -> {} , null),
3460	>	() -> f.thenAcceptAsync(null, exec),
3461
3462	<	/**
3463	<	* thenRunAsync result completes normally after normal completion of source
3464	<	*/
3465	<	public void testThenRunAsync() {
2136	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2137	<	Noop r = new Noop();
2138	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2139	<	f.complete(null);
2140	<	checkCompletedNormally(g, null);
3462	>	() -> f.thenRun(null),
3463	>	() -> f.thenRunAsync(null),
3464	>	() -> f.thenRunAsync(() -> {} , null),
3465	>	() -> f.thenRunAsync(null, exec),
3466
3467	<	// reordered version
3468	<	f = new CompletableFuture<>();
3469	<	f.complete(null);
3470	<	r = new Noop();
3471	<	g = f.thenRunAsync(r);
3472	<	checkCompletedNormally(g, null);
3473	<	}
3467	>	() -> f.thenCombine(g, null),
3468	>	() -> f.thenCombineAsync(g, null),
3469	>	() -> f.thenCombineAsync(g, null, exec),
3470	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3471	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3472	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3473	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3474
3475	<	/**
3476	<	* thenRunAsync result completes exceptionally after exceptional
3477	<	* completion of source
3478	<	*/
3479	<	public void testThenRunAsync2() {
3480	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3481	<	Noop r = new Noop();
2157	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2158	<	f.completeExceptionally(new CFException());
2159	<	try {
2160	<	g.join();
2161	<	shouldThrow();
2162	<	} catch (CompletionException success) {}
2163	<	checkCompletedWithWrappedCFException(g);
2164	<	}
3475	>	() -> f.thenAcceptBoth(g, null),
3476	>	() -> f.thenAcceptBothAsync(g, null),
3477	>	() -> f.thenAcceptBothAsync(g, null, exec),
3478	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3479	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3480	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3481	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3482
3483	<	/**
3484	<	* thenRunAsync result completes exceptionally if action does
3485	<	*/
3486	<	public void testThenRunAsync3() {
3487	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3488	<	FailingNoop r = new FailingNoop();
3489	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2173	<	f.complete(null);
2174	<	checkCompletedWithWrappedCFException(g);
2175	<	}
3483	>	() -> f.runAfterBoth(g, null),
3484	>	() -> f.runAfterBothAsync(g, null),
3485	>	() -> f.runAfterBothAsync(g, null, exec),
3486	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3487	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3488	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3489	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3490
3491	<	/**
3492	<	* thenRunAsync result completes exceptionally if source cancelled
3493	<	*/
3494	<	public void testThenRunAsync4() {
3495	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3496	<	Noop r = new Noop();
3497	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2184	<	assertTrue(f.cancel(true));
2185	<	checkCompletedWithWrappedCancellationException(g);
2186	<	}
3491	>	() -> f.applyToEither(g, null),
3492	>	() -> f.applyToEitherAsync(g, null),
3493	>	() -> f.applyToEitherAsync(g, null, exec),
3494	>	() -> f.applyToEither(nullFuture, x -> x),
3495	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3496	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3497	>	() -> f.applyToEitherAsync(g, x -> x, null),
3498
3499	<	/**
3500	<	* thenApplyAsync result completes normally after normal completion of source
3501	<	*/
3502	<	public void testThenApplyAsync() {
3503	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3504	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3505	<	f.complete(one);
2195	<	checkCompletedNormally(g, two);
2196	<	}
3499	>	() -> f.acceptEither(g, null),
3500	>	() -> f.acceptEitherAsync(g, null),
3501	>	() -> f.acceptEitherAsync(g, null, exec),
3502	>	() -> f.acceptEither(nullFuture, x -> {}),
3503	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3504	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3505	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3506
3507	<	/**
3508	<	* thenApplyAsync result completes exceptionally after exceptional
3509	<	* completion of source
3510	<	*/
3511	<	public void testThenApplyAsync2() {
3512	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3513	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2205	<	f.completeExceptionally(new CFException());
2206	<	checkCompletedWithWrappedCFException(g);
2207	<	}
3507	>	() -> f.runAfterEither(g, null),
3508	>	() -> f.runAfterEitherAsync(g, null),
3509	>	() -> f.runAfterEitherAsync(g, null, exec),
3510	>	() -> f.runAfterEither(nullFuture, () -> {}),
3511	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3512	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3513	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3514
3515	<	/**
3516	<	* thenApplyAsync result completes exceptionally if action does
3517	<	*/
3518	<	public void testThenApplyAsync3() {
2213	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2214	<	FailingFunction r = new FailingFunction();
2215	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2216	<	f.complete(null);
2217	<	checkCompletedWithWrappedCFException(g);
2218	<	}
3515	>	() -> f.thenCompose(null),
3516	>	() -> f.thenComposeAsync(null),
3517	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3518	>	() -> f.thenComposeAsync(null, exec),
3519
3520	<	/**
2221	<	* thenApplyAsync result completes exceptionally if source cancelled
2222	<	*/
2223	<	public void testThenApplyAsync4() {
2224	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2225	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2226	<	assertTrue(f.cancel(true));
2227	<	checkCompletedWithWrappedCancellationException(g);
2228	<	}
3520	>	() -> f.exceptionally(null),
3521
3522	<	/**
2231	<	* thenAcceptAsync result completes normally after normal
2232	<	* completion of source
2233	<	*/
2234	<	public void testThenAcceptAsync() {
2235	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2236	<	IncAction r = new IncAction();
2237	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2238	<	f.complete(one);
2239	<	checkCompletedNormally(g, null);
2240	<	assertEquals(r.value, (Integer) 2);
2241	<	}
3522	>	() -> f.handle(null),
3523
3524	<	/**
3525	<	* thenAcceptAsync result completes exceptionally after exceptional
3526	<	* completion of source
3527	<	*/
2247	<	public void testThenAcceptAsync2() {
2248	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2249	<	IncAction r = new IncAction();
2250	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2251	<	f.completeExceptionally(new CFException());
2252	<	checkCompletedWithWrappedCFException(g);
2253	<	}
3524	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3525	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3526	>	() -> CompletableFuture.allOf(f, null),
3527	>	() -> CompletableFuture.allOf(null, f),
3528
3529	<	/**
3530	<	* thenAcceptAsync result completes exceptionally if action does
3531	<	*/
3532	<	public void testThenAcceptAsync3() {
2259	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2260	<	FailingConsumer r = new FailingConsumer();
2261	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2262	<	f.complete(null);
2263	<	checkCompletedWithWrappedCFException(g);
2264	<	}
3529	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3530	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3531	>	() -> CompletableFuture.anyOf(f, null),
3532	>	() -> CompletableFuture.anyOf(null, f),
3533
3534	<	/**
2267	<	* thenAcceptAsync result completes exceptionally if source cancelled
2268	<	*/
2269	<	public void testThenAcceptAsync4() {
2270	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2271	<	IncAction r = new IncAction();
2272	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2273	<	assertTrue(f.cancel(true));
2274	<	checkCompletedWithWrappedCancellationException(g);
2275	<	}
3534	>	() -> f.obtrudeException(null),
3535
3536	<	/**
3537	<	* applyToEitherAsync result completes normally after normal
3538	<	* completion of sources
2280	<	*/
2281	<	public void testApplyToEitherAsync() {
2282	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2283	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2284	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2285	<	f.complete(one);
2286	<	checkCompletedNormally(g, two);
3536	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3537	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3538	>	() -> CompletableFuture.delayedExecutor(1L, null),
3539
3540	<	f = new CompletableFuture<>();
3541	<	f.complete(one);
2290	<	f2 = new CompletableFuture<>();
2291	<	g = f.applyToEitherAsync(f2, inc);
2292	<	checkCompletedNormally(g, two);
2293	<	}
3540	>	() -> f.orTimeout(1L, null),
3541	>	() -> f.completeOnTimeout(42, 1L, null),
3542
3543	<	/**
3544	<	* applyToEitherAsync result completes exceptionally after exceptional
3545	<	* completion of source
2298	<	*/
2299	<	public void testApplyToEitherAsync2() {
2300	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2301	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2302	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2303	<	f.completeExceptionally(new CFException());
2304	<	checkCompletedWithWrappedCFException(g);
3543	>	() -> CompletableFuture.failedFuture(null),
3544	>	() -> CompletableFuture.failedStage(null),
3545	>	};
3546
3547	<	f = new CompletableFuture<>();
3548	<	f2 = new CompletableFuture<>();
2308	<	f2.completeExceptionally(new CFException());
2309	<	g = f.applyToEitherAsync(f2, inc);
2310	<	f.complete(one);
2311	<	checkCompletedWithWrappedCFException(g);
3547	>	assertThrows(NullPointerException.class, throwingActions);
3548	>	assertEquals(0, exec.count.get());
3549		}
3550
3551		/**
3552	<	* applyToEitherAsync result completes exceptionally if action does
3552	>	* Test submissions to an executor that rejects all tasks.
3553		*/
3554	<	public void testApplyToEitherAsync3() {
3555	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3556	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3557	<	FailingFunction r = new FailingFunction();
3558	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
3559	<	f.complete(one);
3560	<	checkCompletedWithWrappedCFException(g);
3561	<	}
3554	>	public void testRejectingExecutor() {
3555	>	for (Integer v : new Integer[] { 1, null })
3556	>	{
3557	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3558	>
3559	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3560	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3561	>
3562	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3563	>
3564	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3565	>	srcs.add(complete);
3566	>	srcs.add(incomplete);
3567	>
3568	>	for (CompletableFuture<Integer> src : srcs) {
3569	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3570	>	fs.add(src.thenRunAsync(() -> {}, e));
3571	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3572	>	fs.add(src.thenApplyAsync(z -> z, e));
3573	>
3574	>	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3575	>	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3576	>	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3577	>
3578	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3579	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3580	>	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3581	>
3582	>	fs.add(src.thenComposeAsync(z -> null, e));
3583	>	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3584	>	fs.add(src.handleAsync((z, t) -> null, e));
3585	>
3586	>	for (CompletableFuture<?> future : fs) {
3587	>	if (src.isDone())
3588	>	checkCompletedWithWrappedException(future, e.ex);
3589	>	else
3590	>	checkIncomplete(future);
3591	>	}
3592	>	futures.addAll(fs);
3593	>	}
3594
3595	<	/**
3596	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2328	<	*/
2329	<	public void testApplyToEitherAsync4() {
2330	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2331	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2332	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2333	<	assertTrue(f.cancel(true));
2334	<	checkCompletedWithWrappedCancellationException(g);
3595	>	{
3596	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3597
3598	<	f = new CompletableFuture<>();
3599	<	f2 = new CompletableFuture<>();
2338	<	assertTrue(f2.cancel(true));
2339	<	g = f.applyToEitherAsync(f2, inc);
2340	<	checkCompletedWithWrappedCancellationException(g);
2341	<	}
3598	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3599	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3600
3601	<	/**
3602	<	* acceptEitherAsync result completes normally after normal
2345	<	* completion of sources
2346	<	*/
2347	<	public void testAcceptEitherAsync() {
2348	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2349	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2350	<	IncAction r = new IncAction();
2351	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2352	<	f.complete(one);
2353	<	checkCompletedNormally(g, null);
2354	<	assertEquals(r.value, (Integer) 2);
3601	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3602	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3603
3604	<	r = new IncAction();
3605	<	f = new CompletableFuture<>();
2358	<	f.complete(one);
2359	<	f2 = new CompletableFuture<>();
2360	<	g = f.acceptEitherAsync(f2, r);
2361	<	checkCompletedNormally(g, null);
2362	<	assertEquals(r.value, (Integer) 2);
2363	<	}
3604	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3605	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3606
3607	<	/**
3608	<	* acceptEitherAsync result completes exceptionally after exceptional
3609	<	* completion of source
3610	<	*/
2369	<	public void testAcceptEitherAsync2() {
2370	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2371	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2372	<	IncAction r = new IncAction();
2373	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2374	<	f.completeExceptionally(new CFException());
2375	<	checkCompletedWithWrappedCFException(g);
3607	>	for (CompletableFuture<?> future : fs)
3608	>	checkIncomplete(future);
3609	>	futures.addAll(fs);
3610	>	}
3611
3612	<	r = new IncAction();
3613	<	f = new CompletableFuture<>();
2379	<	f2 = new CompletableFuture<>();
2380	<	f2.completeExceptionally(new CFException());
2381	<	g = f.acceptEitherAsync(f2, r);
2382	<	f.complete(one);
2383	<	checkCompletedWithWrappedCFException(g);
2384	<	}
3612	>	{
3613	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3614
3615	<	/**
3616	<	* acceptEitherAsync result completes exceptionally if action does
2388	<	*/
2389	<	public void testAcceptEitherAsync3() {
2390	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2391	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2392	<	FailingConsumer r = new FailingConsumer();
2393	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2394	<	f.complete(one);
2395	<	checkCompletedWithWrappedCFException(g);
2396	<	}
3615	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3616	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3617
3618	<	/**
3619	<	* acceptEitherAsync result completes exceptionally if either
2400	<	* source cancelled
2401	<	*/
2402	<	public void testAcceptEitherAsync4() {
2403	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2404	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2405	<	IncAction r = new IncAction();
2406	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2407	<	assertTrue(f.cancel(true));
2408	<	checkCompletedWithWrappedCancellationException(g);
3618	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3619	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3620
3621	<	r = new IncAction();
3622	<	f = new CompletableFuture<>();
2412	<	f2 = new CompletableFuture<>();
2413	<	assertTrue(f2.cancel(true));
2414	<	g = f.acceptEitherAsync(f2, r);
2415	<	checkCompletedWithWrappedCancellationException(g);
2416	<	}
3621	>	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3622	>	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3623
3624	<	/**
3625	<	* runAfterEitherAsync result completes normally after normal
3626	<	* completion of sources
3627	<	*/
2422	<	public void testRunAfterEitherAsync() {
2423	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2424	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2425	<	Noop r = new Noop();
2426	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2427	<	f.complete(one);
2428	<	checkCompletedNormally(g, null);
2429	<	assertTrue(r.ran);
3624	>	for (CompletableFuture<?> future : fs)
3625	>	checkCompletedWithWrappedException(future, e.ex);
3626	>	futures.addAll(fs);
3627	>	}
3628
3629	<	r = new Noop();
2432	<	f = new CompletableFuture<>();
2433	<	f.complete(one);
2434	<	f2 = new CompletableFuture<>();
2435	<	g = f.runAfterEitherAsync(f2, r);
2436	<	checkCompletedNormally(g, null);
2437	<	assertTrue(r.ran);
2438	<	}
3629	>	incomplete.complete(v);
3630
3631	<	/**
3632	<	* runAfterEitherAsync result completes exceptionally after exceptional
2442	<	* completion of source
2443	<	*/
2444	<	public void testRunAfterEitherAsync2() {
2445	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2446	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2447	<	Noop r = new Noop();
2448	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2449	<	f.completeExceptionally(new CFException());
2450	<	checkCompletedWithWrappedCFException(g);
3631	>	for (CompletableFuture<?> future : futures)
3632	>	checkCompletedWithWrappedException(future, e.ex);
3633
3634	<	r = new Noop();
3635	<	f = new CompletableFuture<>();
2454	<	f2 = new CompletableFuture<>();
2455	<	f2.completeExceptionally(new CFException());
2456	<	g = f.runAfterEitherAsync(f2, r);
2457	<	f.complete(one);
2458	<	checkCompletedWithWrappedCFException(g);
2459	<	}
3634	>	assertEquals(futures.size(), e.count.get());
3635	>	}}
3636
3637		/**
3638	<	* runAfterEitherAsync result completes exceptionally if action does
3638	>	* Test submissions to an executor that rejects all tasks, but
3639	>	* should never be invoked because the dependent future is
3640	>	* explicitly completed.
3641		*/
3642	<	public void testRunAfterEitherAsync3() {
3643	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3644	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3645	<	FailingNoop r = new FailingNoop();
2468	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2469	<	f.complete(one);
2470	<	checkCompletedWithWrappedCFException(g);
2471	<	}
3642	>	public void testRejectingExecutorNeverInvoked() {
3643	>	for (Integer v : new Integer[] { 1, null })
3644	>	{
3645	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3646
3647	<	/**
3648	<	* runAfterEitherAsync result completes exceptionally if either
2475	<	* source cancelled
2476	<	*/
2477	<	public void testRunAfterEitherAsync4() {
2478	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2479	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2480	<	Noop r = new Noop();
2481	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2482	<	assertTrue(f.cancel(true));
2483	<	checkCompletedWithWrappedCancellationException(g);
3647	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3648	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3649
3650	<	r = new Noop();
2486	<	f = new CompletableFuture<>();
2487	<	f2 = new CompletableFuture<>();
2488	<	assertTrue(f2.cancel(true));
2489	<	g = f.runAfterEitherAsync(f2, r);
2490	<	checkCompletedWithWrappedCancellationException(g);
2491	<	}
3650	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3651
3652	<	/**
3653	<	* thenComposeAsync result completes normally after normal
3654	<	* completion of source
2496	<	*/
2497	<	public void testThenComposeAsync() {
2498	<	CompletableFuture<Integer> f, g;
2499	<	CompletableFutureInc r;
3652	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3653	>	srcs.add(complete);
3654	>	srcs.add(incomplete);
3655
3656	<	f = new CompletableFuture<>();
3657	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3658	<	f.complete(one);
3659	<	checkCompletedNormally(g, two);
3656	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3657	>	fs.add(incomplete.thenRunAsync(() -> {}, e));
3658	>	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3659	>	fs.add(incomplete.thenApplyAsync(z -> z, e));
3660
3661	<	f = new CompletableFuture<>();
3662	<	f.complete(one);
3663	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2509	<	checkCompletedNormally(g, two);
2510	<	}
3661	>	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3662	>	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3663	>	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3664
3665	<	/**
3666	<	* thenComposeAsync result completes exceptionally after
3667	<	* exceptional completion of source
2515	<	*/
2516	<	public void testThenComposeAsync2() {
2517	<	CompletableFuture<Integer> f, g;
2518	<	CompletableFutureInc r;
3665	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3666	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3667	>	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3668
3669	<	f = new CompletableFuture<>();
3670	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3671	<	f.completeExceptionally(new CFException());
2523	<	checkCompletedWithWrappedCFException(g);
2524	<	assertFalse(r.ran);
3669	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3670	>	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3671	>	fs.add(incomplete.handleAsync((z, t) -> null, e));
3672
3673	<	f = new CompletableFuture<>();
3674	<	f.completeExceptionally(new CFException());
2528	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2529	<	checkCompletedWithWrappedCFException(g);
2530	<	assertFalse(r.ran);
2531	<	}
3673	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3674	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3675
3676	<	/**
3677	<	* thenComposeAsync result completes exceptionally if action does
2535	<	*/
2536	<	public void testThenComposeAsync3() {
2537	<	CompletableFuture<Integer> f, g;
2538	<	FailingCompletableFutureFunction r;
3676	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3677	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3678
3679	<	f = new CompletableFuture<>();
3680	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2542	<	f.complete(one);
2543	<	checkCompletedWithWrappedCFException(g);
3679	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3680	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3681
3682	<	f = new CompletableFuture<>();
3683	<	f.complete(one);
2547	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2548	<	checkCompletedWithWrappedCFException(g);
2549	<	}
3682	>	for (CompletableFuture<?> future : fs)
3683	>	checkIncomplete(future);
3684
3685	<	/**
3686	<	* thenComposeAsync result completes exceptionally if source cancelled
2553	<	*/
2554	<	public void testThenComposeAsync4() {
2555	<	CompletableFuture<Integer> f, g;
2556	<	CompletableFutureInc r;
3685	>	for (CompletableFuture<?> future : fs)
3686	>	future.complete(null);
3687
3688	<	f = new CompletableFuture<>();
2559	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2560	<	assertTrue(f.cancel(true));
2561	<	checkCompletedWithWrappedCancellationException(g);
3688	>	incomplete.complete(v);
3689
3690	<	f = new CompletableFuture<>();
3691	<	assertTrue(f.cancel(true));
2565	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2566	<	checkCompletedWithWrappedCancellationException(g);
2567	<	}
3690	>	for (CompletableFuture<?> future : fs)
3691	>	checkCompletedNormally(future, null);
3692
3693	<	// async with explicit executors
3693	>	assertEquals(0, e.count.get());
3694	>	}}
3695
3696		/**
3697	<	* thenRunAsync result completes normally after normal completion of source
3697	>	* toCompletableFuture returns this CompletableFuture.
3698		*/
3699	<	public void testThenRunAsyncE() {
3699	>	public void testToCompletableFuture() {
3700		CompletableFuture<Integer> f = new CompletableFuture<>();
3701	<	Noop r = new Noop();
2577	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2578	<	f.complete(null);
2579	<	checkCompletedNormally(g, null);
2580	<
2581	<	// reordered version
2582	<	f = new CompletableFuture<>();
2583	<	f.complete(null);
2584	<	r = new Noop();
2585	<	g = f.thenRunAsync(r, new ThreadExecutor());
2586	<	checkCompletedNormally(g, null);
3701	>	assertSame(f, f.toCompletableFuture());
3702		}
3703
3704	+	// jdk9
3705	+
3706		/**
3707	<	* thenRunAsync result completes exceptionally after exceptional
2591	<	* completion of source
3707	>	* newIncompleteFuture returns an incomplete CompletableFuture
3708		*/
3709	<	public void testThenRunAsync2E() {
3709	>	public void testNewIncompleteFuture() {
3710	>	for (Integer v1 : new Integer[] { 1, null })
3711	>	{
3712		CompletableFuture<Integer> f = new CompletableFuture<>();
3713	<	Noop r = new Noop();
3714	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3715	<	f.completeExceptionally(new CFException());
3716	<	try {
3717	<	g.join();
3718	<	shouldThrow();
3719	<	} catch (CompletionException success) {}
3720	<	checkCompletedWithWrappedCFException(g);
3721	<	}
3713	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3714	>	checkIncomplete(f);
3715	>	checkIncomplete(g);
3716	>	f.complete(v1);
3717	>	checkCompletedNormally(f, v1);
3718	>	checkIncomplete(g);
3719	>	g.complete(v1);
3720	>	checkCompletedNormally(g, v1);
3721	>	assertSame(g.getClass(), CompletableFuture.class);
3722	>	}}
3723
3724		/**
3725	<	* thenRunAsync result completes exceptionally if action does
3725	>	* completedStage returns a completed CompletionStage
3726		*/
3727	<	public void testThenRunAsync3E() {
3728	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3729	<	FailingNoop r = new FailingNoop();
3730	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3731	<	f.complete(null);
3732	<	checkCompletedWithWrappedCFException(g);
3727	>	public void testCompletedStage() {
3728	>	AtomicInteger x = new AtomicInteger(0);
3729	>	AtomicReference<Throwable> r = new AtomicReference<>();
3730	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3731	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3732	>	assertEquals(x.get(), 1);
3733	>	assertNull(r.get());
3734		}
3735
3736		/**
3737	<	* thenRunAsync result completes exceptionally if source cancelled
3737	>	* defaultExecutor by default returns the commonPool if
3738	>	* it supports more than one thread.
3739		*/
3740	<	public void testThenRunAsync4E() {
3740	>	public void testDefaultExecutor() {
3741		CompletableFuture<Integer> f = new CompletableFuture<>();
3742	<	Noop r = new Noop();
3743	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3744	<	assertTrue(f.cancel(true));
3745	<	checkCompletedWithWrappedCancellationException(g);
3742	>	Executor e = f.defaultExecutor();
3743	>	Executor c = ForkJoinPool.commonPool();
3744	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3745	>	assertSame(e, c);
3746	>	else
3747	>	assertNotSame(e, c);
3748		}
3749
3750		/**
3751	<	* thenApplyAsync result completes normally after normal completion of source
3751	>	* failedFuture returns a CompletableFuture completed
3752	>	* exceptionally with the given Exception
3753		*/
3754	<	public void testThenApplyAsyncE() {
3755	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3756	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3757	<	f.complete(one);
2634	<	checkCompletedNormally(g, two);
3754	>	public void testFailedFuture() {
3755	>	CFException ex = new CFException();
3756	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3757	>	checkCompletedExceptionally(f, ex);
3758		}
3759
3760		/**
3761	<	* thenApplyAsync result completes exceptionally after exceptional
2639	<	* completion of source
3761	>	* failedFuture(null) throws NPE
3762		*/
3763	<	public void testThenApplyAsync2E() {
3764	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3765	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3766	<	f.completeExceptionally(new CFException());
3767	<	checkCompletedWithWrappedCFException(g);
3763	>	public void testFailedFuture_null() {
3764	>	try {
3765	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3766	>	shouldThrow();
3767	>	} catch (NullPointerException success) {}
3768		}
3769
3770		/**
3771	<	* thenApplyAsync result completes exceptionally if action does
3771	>	* copy returns a CompletableFuture that is completed normally,
3772	>	* with the same value, when source is.
3773		*/
3774	<	public void testThenApplyAsync3E() {
3774	>	public void testCopy_normalCompletion() {
3775	>	for (boolean createIncomplete : new boolean[] { true, false })
3776	>	for (Integer v1 : new Integer[] { 1, null })
3777	>	{
3778		CompletableFuture<Integer> f = new CompletableFuture<>();
3779	<	FailingFunction r = new FailingFunction();
3780	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3781	<	f.complete(null);
3782	<	checkCompletedWithWrappedCFException(g);
3783	<	}
3779	>	if (!createIncomplete) assertTrue(f.complete(v1));
3780	>	CompletableFuture<Integer> g = f.copy();
3781	>	if (createIncomplete) {
3782	>	checkIncomplete(f);
3783	>	checkIncomplete(g);
3784	>	assertTrue(f.complete(v1));
3785	>	}
3786	>	checkCompletedNormally(f, v1);
3787	>	checkCompletedNormally(g, v1);
3788	>	}}
3789
3790		/**
3791	<	* thenApplyAsync result completes exceptionally if source cancelled
3791	>	* copy returns a CompletableFuture that is completed exceptionally
3792	>	* when source is.
3793		*/
3794	<	public void testThenApplyAsync4E() {
3794	>	public void testCopy_exceptionalCompletion() {
3795	>	for (boolean createIncomplete : new boolean[] { true, false })
3796	>	{
3797	>	CFException ex = new CFException();
3798		CompletableFuture<Integer> f = new CompletableFuture<>();
3799	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3800	<	assertTrue(f.cancel(true));
3801	<	checkCompletedWithWrappedCancellationException(g);
3802	<	}
3799	>	if (!createIncomplete) f.completeExceptionally(ex);
3800	>	CompletableFuture<Integer> g = f.copy();
3801	>	if (createIncomplete) {
3802	>	checkIncomplete(f);
3803	>	checkIncomplete(g);
3804	>	f.completeExceptionally(ex);
3805	>	}
3806	>	checkCompletedExceptionally(f, ex);
3807	>	checkCompletedWithWrappedException(g, ex);
3808	>	}}
3809
3810		/**
3811	<	* thenAcceptAsync result completes normally after normal
2671	<	* completion of source
3811	>	* Completion of a copy does not complete its source.
3812		*/
3813	<	public void testThenAcceptAsyncE() {
3813	>	public void testCopy_oneWayPropagation() {
3814		CompletableFuture<Integer> f = new CompletableFuture<>();
3815	<	IncAction r = new IncAction();
3816	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3817	<	f.complete(one);
3818	<	checkCompletedNormally(g, null);
3819	<	assertEquals(r.value, (Integer) 2);
3815	>	assertTrue(f.copy().complete(1));
3816	>	assertTrue(f.copy().complete(null));
3817	>	assertTrue(f.copy().cancel(true));
3818	>	assertTrue(f.copy().cancel(false));
3819	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3820	>	checkIncomplete(f);
3821		}
3822
3823		/**
3824	<	* thenAcceptAsync result completes exceptionally after exceptional
3825	<	* completion of source
3824	>	* minimalCompletionStage returns a CompletableFuture that is
3825	>	* completed normally, with the same value, when source is.
3826		*/
3827	<	public void testThenAcceptAsync2E() {
3827	>	public void testMinimalCompletionStage() {
3828		CompletableFuture<Integer> f = new CompletableFuture<>();
3829	<	IncAction r = new IncAction();
3830	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3831	<	f.completeExceptionally(new CFException());
3832	<	checkCompletedWithWrappedCFException(g);
3829	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3830	>	AtomicInteger x = new AtomicInteger(0);
3831	>	AtomicReference<Throwable> r = new AtomicReference<>();
3832	>	checkIncomplete(f);
3833	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3834	>	f.complete(1);
3835	>	checkCompletedNormally(f, 1);
3836	>	assertEquals(x.get(), 1);
3837	>	assertNull(r.get());
3838		}
3839
3840		/**
3841	<	* thenAcceptAsync result completes exceptionally if action does
3841	>	* minimalCompletionStage returns a CompletableFuture that is
3842	>	* completed exceptionally when source is.
3843		*/
3844	<	public void testThenAcceptAsync3E() {
3844	>	public void testMinimalCompletionStage2() {
3845		CompletableFuture<Integer> f = new CompletableFuture<>();
3846	<	FailingConsumer r = new FailingConsumer();
3847	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3848	<	f.complete(null);
3849	<	checkCompletedWithWrappedCFException(g);
3846	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3847	>	AtomicInteger x = new AtomicInteger(0);
3848	>	AtomicReference<Throwable> r = new AtomicReference<>();
3849	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3850	>	checkIncomplete(f);
3851	>	CFException ex = new CFException();
3852	>	f.completeExceptionally(ex);
3853	>	checkCompletedExceptionally(f, ex);
3854	>	assertEquals(x.get(), 0);
3855	>	assertEquals(r.get().getCause(), ex);
3856		}
3857
3858		/**
3859	<	* thenAcceptAsync result completes exceptionally if source cancelled
3859	>	* failedStage returns a CompletionStage completed
3860	>	* exceptionally with the given Exception
3861		*/
3862	<	public void testThenAcceptAsync4E() {
3863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3864	<	IncAction r = new IncAction();
3865	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3866	<	assertTrue(f.cancel(true));
3867	<	checkCompletedWithWrappedCancellationException(g);
3862	>	public void testFailedStage() {
3863	>	CFException ex = new CFException();
3864	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3865	>	AtomicInteger x = new AtomicInteger(0);
3866	>	AtomicReference<Throwable> r = new AtomicReference<>();
3867	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3868	>	assertEquals(x.get(), 0);
3869	>	assertEquals(r.get(), ex);
3870		}
3871
3872		/**
3873	<	* applyToEitherAsync result completes normally after normal
2718	<	* completion of sources
3873	>	* completeAsync completes with value of given supplier
3874		*/
3875	<	public void testApplyToEitherAsyncE() {
3875	>	public void testCompleteAsync() {
3876	>	for (Integer v1 : new Integer[] { 1, null })
3877	>	{
3878		CompletableFuture<Integer> f = new CompletableFuture<>();
3879	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3880	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3881	<	f.complete(one);
3882	<	checkCompletedNormally(g, two);
2726	<
2727	<	f = new CompletableFuture<>();
2728	<	f.complete(one);
2729	<	f2 = new CompletableFuture<>();
2730	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2731	<	checkCompletedNormally(g, two);
2732	<	}
3879	>	f.completeAsync(() -> v1);
3880	>	f.join();
3881	>	checkCompletedNormally(f, v1);
3882	>	}}
3883
3884		/**
3885	<	* applyToEitherAsync result completes exceptionally after exceptional
2736	<	* completion of source
3885	>	* completeAsync completes exceptionally if given supplier throws
3886		*/
3887	<	public void testApplyToEitherAsync2E() {
3887	>	public void testCompleteAsync2() {
3888		CompletableFuture<Integer> f = new CompletableFuture<>();
3889	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3890	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3891	<	f.completeExceptionally(new CFException());
3892	<	checkCompletedWithWrappedCFException(g);
3893	<
3894	<	f = new CompletableFuture<>();
3895	<	f2 = new CompletableFuture<>();
2747	<	f2.completeExceptionally(new CFException());
2748	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2749	<	f.complete(one);
2750	<	checkCompletedWithWrappedCFException(g);
3889	>	CFException ex = new CFException();
3890	>	f.completeAsync(() -> { throw ex; });
3891	>	try {
3892	>	f.join();
3893	>	shouldThrow();
3894	>	} catch (CompletionException success) {}
3895	>	checkCompletedWithWrappedException(f, ex);
3896		}
3897
3898		/**
3899	<	* applyToEitherAsync result completes exceptionally if action does
3899	>	* completeAsync with given executor completes with value of given supplier
3900		*/
3901	<	public void testApplyToEitherAsync3E() {
3901	>	public void testCompleteAsync3() {
3902	>	for (Integer v1 : new Integer[] { 1, null })
3903	>	{
3904		CompletableFuture<Integer> f = new CompletableFuture<>();
3905	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3906	<	FailingFunction r = new FailingFunction();
3907	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
3908	<	f.complete(one);
3909	<	checkCompletedWithWrappedCFException(g);
3910	<	}
3905	>	ThreadExecutor executor = new ThreadExecutor();
3906	>	f.completeAsync(() -> v1, executor);
3907	>	assertSame(v1, f.join());
3908	>	checkCompletedNormally(f, v1);
3909	>	assertEquals(1, executor.count.get());
3910	>	}}
3911
3912		/**
3913	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3913	>	* completeAsync with given executor completes exceptionally if
3914	>	* given supplier throws
3915		*/
3916	<	public void testApplyToEitherAsync4E() {
3916	>	public void testCompleteAsync4() {
3917		CompletableFuture<Integer> f = new CompletableFuture<>();
3918	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3919	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3920	<	assertTrue(f.cancel(true));
3921	<	checkCompletedWithWrappedCancellationException(g);
3922	<
3923	<	f = new CompletableFuture<>();
3924	<	f2 = new CompletableFuture<>();
3925	<	assertTrue(f2.cancel(true));
3926	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2779	<	checkCompletedWithWrappedCancellationException(g);
3918	>	CFException ex = new CFException();
3919	>	ThreadExecutor executor = new ThreadExecutor();
3920	>	f.completeAsync(() -> { throw ex; }, executor);
3921	>	try {
3922	>	f.join();
3923	>	shouldThrow();
3924	>	} catch (CompletionException success) {}
3925	>	checkCompletedWithWrappedException(f, ex);
3926	>	assertEquals(1, executor.count.get());
3927		}
3928
3929		/**
3930	<	* acceptEitherAsync result completes normally after normal
2784	<	* completion of sources
3930	>	* orTimeout completes with TimeoutException if not complete
3931		*/
3932	<	public void testAcceptEitherAsyncE() {
3932	>	public void testOrTimeout_timesOut() {
3933	>	long timeoutMillis = timeoutMillis();
3934		CompletableFuture<Integer> f = new CompletableFuture<>();
3935	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3936	<	IncAction r = new IncAction();
3937	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3938	<	f.complete(one);
2792	<	checkCompletedNormally(g, null);
2793	<	assertEquals(r.value, (Integer) 2);
2794	<
2795	<	r = new IncAction();
2796	<	f = new CompletableFuture<>();
2797	<	f.complete(one);
2798	<	f2 = new CompletableFuture<>();
2799	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2800	<	checkCompletedNormally(g, null);
2801	<	assertEquals(r.value, (Integer) 2);
3935	>	long startTime = System.nanoTime();
3936	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3937	>	checkCompletedWithTimeoutException(f);
3938	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3939		}
3940
3941		/**
3942	<	* acceptEitherAsync result completes exceptionally after exceptional
2806	<	* completion of source
3942	>	* orTimeout completes normally if completed before timeout
3943		*/
3944	<	public void testAcceptEitherAsync2E() {
3944	>	public void testOrTimeout_completed() {
3945	>	for (Integer v1 : new Integer[] { 1, null })
3946	>	{
3947		CompletableFuture<Integer> f = new CompletableFuture<>();
3948	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3949	<	IncAction r = new IncAction();
3950	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3951	<	f.completeExceptionally(new CFException());
3952	<	checkCompletedWithWrappedCFException(g);
3953	<
3954	<	r = new IncAction();
3955	<	f = new CompletableFuture<>();
3956	<	f2 = new CompletableFuture<>();
3957	<	f2.completeExceptionally(new CFException());
2820	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2821	<	f.complete(one);
2822	<	checkCompletedWithWrappedCFException(g);
2823	<	}
3948	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3949	>	long startTime = System.nanoTime();
3950	>	f.complete(v1);
3951	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3952	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3953	>	g.complete(v1);
3954	>	checkCompletedNormally(f, v1);
3955	>	checkCompletedNormally(g, v1);
3956	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3957	>	}}
3958
3959		/**
3960	<	* acceptEitherAsync result completes exceptionally if action does
3960	>	* completeOnTimeout completes with given value if not complete
3961		*/
3962	<	public void testAcceptEitherAsync3E() {
3963	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3964	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2831	<	FailingConsumer r = new FailingConsumer();
2832	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2833	<	f.complete(one);
2834	<	checkCompletedWithWrappedCFException(g);
3962	>	public void testCompleteOnTimeout_timesOut() {
3963	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3964	>	() -> testCompleteOnTimeout_timesOut(null));
3965		}
3966
3967		/**
3968	<	* acceptEitherAsync result completes exceptionally if either
2839	<	* source cancelled
3968	>	* completeOnTimeout completes with given value if not complete
3969		*/
3970	<	public void testAcceptEitherAsync4E() {
3970	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3971	>	long timeoutMillis = timeoutMillis();
3972		CompletableFuture<Integer> f = new CompletableFuture<>();
3973	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3974	<	IncAction r = new IncAction();
3975	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3976	<	assertTrue(f.cancel(true));
3977	<	checkCompletedWithWrappedCancellationException(g);
3978	<
2849	<	r = new IncAction();
2850	<	f = new CompletableFuture<>();
2851	<	f2 = new CompletableFuture<>();
2852	<	assertTrue(f2.cancel(true));
2853	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2854	<	checkCompletedWithWrappedCancellationException(g);
3973	>	long startTime = System.nanoTime();
3974	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3975	>	assertSame(v, f.join());
3976	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3977	>	f.complete(99);         // should have no effect
3978	>	checkCompletedNormally(f, v);
3979		}
3980
3981		/**
3982	<	* runAfterEitherAsync result completes normally after normal
2859	<	* completion of sources
3982	>	* completeOnTimeout has no effect if completed within timeout
3983		*/
3984	<	public void testRunAfterEitherAsyncE() {
3984	>	public void testCompleteOnTimeout_completed() {
3985	>	for (Integer v1 : new Integer[] { 1, null })
3986	>	{
3987		CompletableFuture<Integer> f = new CompletableFuture<>();
3988	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3989	<	Noop r = new Noop();
3990	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3991	<	f.complete(one);
3992	<	checkCompletedNormally(g, null);
3993	<	assertTrue(r.ran);
3994	<
3995	<	r = new Noop();
3996	<	f = new CompletableFuture<>();
3997	<	f.complete(one);
2873	<	f2 = new CompletableFuture<>();
2874	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2875	<	checkCompletedNormally(g, null);
2876	<	assertTrue(r.ran);
2877	<	}
3988	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3989	>	long startTime = System.nanoTime();
3990	>	f.complete(v1);
3991	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3992	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3993	>	g.complete(v1);
3994	>	checkCompletedNormally(f, v1);
3995	>	checkCompletedNormally(g, v1);
3996	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3997	>	}}
3998
3999		/**
4000	<	* runAfterEitherAsync result completes exceptionally after exceptional
2881	<	* completion of source
4000	>	* delayedExecutor returns an executor that delays submission
4001		*/
4002	<	public void testRunAfterEitherAsync2E() {
4003	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4004	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4005	<	Noop r = new Noop();
4006	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4007	<	f.completeExceptionally(new CFException());
4008	<	checkCompletedWithWrappedCFException(g);
4002	>	public void testDelayedExecutor() {
4003	>	testInParallel(() -> testDelayedExecutor(null, null),
4004	>	() -> testDelayedExecutor(null, 1),
4005	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
4006	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
4007	>	}
4008	>
4009	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
4010	>	long timeoutMillis = timeoutMillis();
4011	>	// Use an "unreasonably long" long timeout to catch lingering threads
4012	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
4013	>	final Executor delayer, longDelayer;
4014	>	if (executor == null) {
4015	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
4016	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
4017	>	} else {
4018	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
4019	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
4020	>	}
4021	>	long startTime = System.nanoTime();
4022	>	CompletableFuture<Integer> f =
4023	>	CompletableFuture.supplyAsync(() -> v, delayer);
4024	>	CompletableFuture<Integer> g =
4025	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
4026
4027	<	r = new Noop();
2892	<	f = new CompletableFuture<>();
2893	<	f2 = new CompletableFuture<>();
2894	<	f2.completeExceptionally(new CFException());
2895	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2896	<	f.complete(one);
2897	<	checkCompletedWithWrappedCFException(g);
2898	<	}
4027	>	assertNull(g.getNow(null));
4028
4029	<	/**
4030	<	* runAfterEitherAsync result completes exceptionally if action does
4031	<	*/
4032	<	public void testRunAfterEitherAsync3E() {
2904	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2905	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2906	<	FailingNoop r = new FailingNoop();
2907	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2908	<	f.complete(one);
2909	<	checkCompletedWithWrappedCFException(g);
2910	<	}
4029	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
4030	>	long millisElapsed = millisElapsedSince(startTime);
4031	>	assertTrue(millisElapsed >= timeoutMillis);
4032	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
4033
4034	<	/**
2913	<	* runAfterEitherAsync result completes exceptionally if either
2914	<	* source cancelled
2915	<	*/
2916	<	public void testRunAfterEitherAsync4E() {
2917	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2918	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2919	<	Noop r = new Noop();
2920	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2921	<	assertTrue(f.cancel(true));
2922	<	checkCompletedWithWrappedCancellationException(g);
4034	>	checkCompletedNormally(f, v);
4035
4036	<	r = new Noop();
4037	<	f = new CompletableFuture<>();
2926	<	f2 = new CompletableFuture<>();
2927	<	assertTrue(f2.cancel(true));
2928	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2929	<	checkCompletedWithWrappedCancellationException(g);
4036	>	checkIncomplete(g);
4037	>	assertTrue(g.cancel(true));
4038		}
4039
4040	<	/**
2933	<	* thenComposeAsync result completes normally after normal
2934	<	* completion of source
2935	<	*/
2936	<	public void testThenComposeAsyncE() {
2937	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2938	<	CompletableFutureInc r = new CompletableFutureInc();
2939	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2940	<	f.complete(one);
2941	<	checkCompletedNormally(g, two);
2942	<	}
4040	>	//--- tests of implementation details; not part of official tck ---
4041
4042	<	/**
4043	<	* thenComposeAsync result completes exceptionally after
4044	<	* exceptional completion of source
4045	<	*/
4046	<	public void testThenComposeAsync2E() {
4047	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4048	<	CompletableFutureInc r = new CompletableFutureInc();
4049	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4050	<	f.completeExceptionally(new CFException());
2953	<	checkCompletedWithWrappedCFException(g);
2954	<	}
4042	>	Object resultOf(CompletableFuture<?> f) {
4043	>	SecurityManager sm = System.getSecurityManager();
4044	>	if (sm != null) {
4045	>	try {
4046	>	System.setSecurityManager(null);
4047	>	} catch (SecurityException giveUp) {
4048	>	return "Reflection not available";
4049	>	}
4050	>	}
4051
4052	<	/**
4053	<	* thenComposeAsync result completes exceptionally if action does
4054	<	*/
4055	<	public void testThenComposeAsync3E() {
4056	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4057	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
4058	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4059	<	f.complete(one);
4060	<	checkCompletedWithWrappedCFException(g);
4052	>	try {
4053	>	java.lang.reflect.Field resultField
4054	>	= CompletableFuture.class.getDeclaredField("result");
4055	>	resultField.setAccessible(true);
4056	>	return resultField.get(f);
4057	>	} catch (Throwable t) {
4058	>	throw new AssertionError(t);
4059	>	} finally {
4060	>	if (sm != null) System.setSecurityManager(sm);
4061	>	}
4062		}
4063
4064	<	/**
4065	<	* thenComposeAsync result completes exceptionally if source cancelled
4066	<	*/
4067	<	public void testThenComposeAsync4E() {
4068	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4069	<	CompletableFutureInc r = new CompletableFutureInc();
4070	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2974	<	assertTrue(f.cancel(true));
2975	<	checkCompletedWithWrappedCancellationException(g);
2976	<	}
4064	>	public void testExceptionPropagationReusesResultObject() {
4065	>	if (!testImplementationDetails) return;
4066	>	for (ExecutionMode m : ExecutionMode.values())
4067	>	{
4068	>	final CFException ex = new CFException();
4069	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4070	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4071
4072	<	// other static methods
4072	>	final Runnable noopRunnable = new Noop(m);
4073	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4074	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4075	>
4076	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4077	>	= new ArrayList<>();
4078	>
4079	>	funs.add(y -> m.thenRun(y, noopRunnable));
4080	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4081	>	funs.add(y -> m.thenApply(y, incFunction));
4082	>
4083	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4084	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4085	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4086	>
4087	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4088	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4089	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4090	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4091	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4092	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4093	>
4094	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4095	>
4096	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4097	>
4098	>	funs.add(y -> CompletableFuture.allOf(y));
4099	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4100	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4101	>	funs.add(y -> CompletableFuture.anyOf(y));
4102	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4103	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4104
4105	<	/**
4106	<	* allOf(no component futures) returns a future completed normally
4107	<	* with the value null
4108	<	*/
4109	<	public void testAllOf_empty() throws Exception {
4110	<	CompletableFuture<Void> f = CompletableFuture.allOf();
4111	<	checkCompletedNormally(f, null);
4112	<	}
4105	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4106	>	fun : funs) {
4107	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4108	>	f.completeExceptionally(ex);
4109	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4110	>	checkCompletedWithWrappedException(src, ex);
4111	>	CompletableFuture<?> dep = fun.apply(src);
4112	>	checkCompletedWithWrappedException(dep, ex);
4113	>	assertSame(resultOf(src), resultOf(dep));
4114	>	}
4115
4116	<	/**
4117	<	* allOf returns a future completed normally with the value null
4118	<	* when all components complete normally
4119	<	*/
4120	<	public void testAllOf_normal() throws Exception {
4121	<	for (int k = 1; k < 20; ++k) {
4122	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
4123	<	for (int i = 0; i < k; ++i)
4124	<	fs[i] = new CompletableFuture<>();
2998	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2999	<	for (int i = 0; i < k; ++i) {
3000	<	checkIncomplete(f);
3001	<	checkIncomplete(CompletableFuture.allOf(fs));
3002	<	fs[i].complete(one);
3003	<	}
3004	<	checkCompletedNormally(f, null);
3005	<	checkCompletedNormally(CompletableFuture.allOf(fs), null);
4116	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4117	>	fun : funs) {
4118	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4119	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4120	>	CompletableFuture<?> dep = fun.apply(src);
4121	>	f.completeExceptionally(ex);
4122	>	checkCompletedWithWrappedException(src, ex);
4123	>	checkCompletedWithWrappedException(dep, ex);
4124	>	assertSame(resultOf(src), resultOf(dep));
4125		}
3007	–	}
4126
4127	<	/**
4128	<	* anyOf(no component futures) returns an incomplete future
4129	<	*/
4130	<	public void testAnyOf_empty() throws Exception {
4131	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
4132	<	checkIncomplete(f);
4133	<	}
4127	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4128	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4129	>	fun : funs) {
4130	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4131	>	f.cancel(mayInterruptIfRunning);
4132	>	checkCancelled(f);
4133	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4134	>	checkCompletedWithWrappedCancellationException(src);
4135	>	CompletableFuture<?> dep = fun.apply(src);
4136	>	checkCompletedWithWrappedCancellationException(dep);
4137	>	assertSame(resultOf(src), resultOf(dep));
4138	>	}
4139
4140	<	/**
4141	<	* anyOf returns a future completed normally with a value when
4142	<	* a component future does
4143	<	*/
4144	<	public void testAnyOf_normal() throws Exception {
4145	<	for (int k = 0; k < 10; ++k) {
4146	<	CompletableFuture[] fs = new CompletableFuture[k];
4147	<	for (int i = 0; i < k; ++i)
4148	<	fs[i] = new CompletableFuture<>();
4149	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4150	<	checkIncomplete(f);
4151	<	for (int i = 0; i < k; ++i) {
4152	<	fs[i].complete(one);
4153	<	checkCompletedNormally(f, one);
4154	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
4140	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4141	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4142	>	fun : funs) {
4143	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4144	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4145	>	CompletableFuture<?> dep = fun.apply(src);
4146	>	f.cancel(mayInterruptIfRunning);
4147	>	checkCancelled(f);
4148	>	checkCompletedWithWrappedCancellationException(src);
4149	>	checkCompletedWithWrappedCancellationException(dep);
4150	>	assertSame(resultOf(src), resultOf(dep));
4151	>	}
4152	>	}}
4153	>
4154	>	/**
4155	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4156	>	*/
4157	>	public void testMinimalCompletionStage_minimality() {
4158	>	if (!testImplementationDetails) return;
4159	>	Function<Method, String> toSignature =
4160	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4161	>	Predicate<Method> isNotStatic =
4162	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4163	>	List<Method> minimalMethods =
4164	>	Stream.of(Object.class, CompletionStage.class)
4165	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4166	>	.filter(isNotStatic)
4167	>	.collect(Collectors.toList());
4168	>	// Methods from CompletableFuture permitted NOT to throw UOE
4169	>	String[] signatureWhitelist = {
4170	>	"newIncompleteFuture[]",
4171	>	"defaultExecutor[]",
4172	>	"minimalCompletionStage[]",
4173	>	"copy[]",
4174	>	};
4175	>	Set<String> permittedMethodSignatures =
4176	>	Stream.concat(minimalMethods.stream().map(toSignature),
4177	>	Stream.of(signatureWhitelist))
4178	>	.collect(Collectors.toSet());
4179	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4180	>	.filter(isNotStatic)
4181	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4182	>	.collect(Collectors.toList());
4183	>
4184	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4185	>	CompletionStage<Integer> min =
4186	>	new CompletableFuture<Integer>().minimalCompletionStage();
4187	>	stages.add(min);
4188	>	stages.add(min.thenApply(x -> x));
4189	>	stages.add(CompletableFuture.completedStage(1));
4190	>	stages.add(CompletableFuture.failedStage(new CFException()));
4191	>
4192	>	List<Method> bugs = new ArrayList<>();
4193	>	for (Method method : allMethods) {
4194	>	Class<?>[] parameterTypes = method.getParameterTypes();
4195	>	Object[] args = new Object[parameterTypes.length];
4196	>	// Manufacture boxed primitives for primitive params
4197	>	for (int i = 0; i < args.length; i++) {
4198	>	Class<?> type = parameterTypes[i];
4199	>	if (parameterTypes[i] == boolean.class)
4200	>	args[i] = false;
4201	>	else if (parameterTypes[i] == int.class)
4202	>	args[i] = 0;
4203	>	else if (parameterTypes[i] == long.class)
4204	>	args[i] = 0L;
4205	>	}
4206	>	for (CompletionStage<Integer> stage : stages) {
4207	>	try {
4208	>	method.invoke(stage, args);
4209	>	bugs.add(method);
4210	>	}
4211	>	catch (java.lang.reflect.InvocationTargetException expected) {
4212	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4213	>	bugs.add(method);
4214	>	// expected.getCause().printStackTrace();
4215	>	}
4216	>	}
4217	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4218		}
4219		}
4220	+	if (!bugs.isEmpty())
4221	+	throw new Error("Methods did not throw UOE: " + bugs);
4222		}
4223
4224		/**
4225	<	* anyOf result completes exceptionally when any component does.
4225	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4226	>	* is completed normally, with the same value, when source is.
4227		*/
4228	<	public void testAnyOf_exceptional() throws Exception {
4229	<	for (int k = 0; k < 10; ++k) {
4230	<	CompletableFuture[] fs = new CompletableFuture[k];
4231	<	for (int i = 0; i < k; ++i)
4232	<	fs[i] = new CompletableFuture<>();
4233	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4228	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4229	>	for (boolean createIncomplete : new boolean[] { true, false })
4230	>	for (Integer v1 : new Integer[] { 1, null })
4231	>	{
4232	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4233	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4234	>	if (!createIncomplete) assertTrue(f.complete(v1));
4235	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4236	>	if (createIncomplete) {
4237		checkIncomplete(f);
4238	<	for (int i = 0; i < k; ++i) {
4239	<	fs[i].completeExceptionally(new CFException());
3048	<	checkCompletedWithWrappedCFException(f);
3049	<	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3050	<	}
4238	>	checkIncomplete(g);
4239	>	assertTrue(f.complete(v1));
4240		}
4241	<	}
4241	>	checkCompletedNormally(f, v1);
4242	>	checkCompletedNormally(g, v1);
4243	>	}}
4244
4245		/**
4246	<	* Completion methods throw NullPointerException with null arguments
4246	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4247	>	* is completed exceptionally when source is.
4248		*/
4249	<	public void testNPE() {
4249	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4250	>	for (boolean createIncomplete : new boolean[] { true, false })
4251	>	{
4252	>	CFException ex = new CFException();
4253		CompletableFuture<Integer> f = new CompletableFuture<>();
4254	<	CompletableFuture<Integer> g = new CompletableFuture<>();
4255	<	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
4256	<	CompletableFuture<?> h;
4257	<	ThreadExecutor exec = new ThreadExecutor();
4258	<
4259	<	Runnable[] throwingActions = {
4260	<	() -> CompletableFuture.supplyAsync(null),
4261	<	() -> CompletableFuture.supplyAsync(null, exec),
4262	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
4263	<
4264	<	() -> CompletableFuture.runAsync(null),
3070	<	() -> CompletableFuture.runAsync(null, exec),
3071	<	() -> CompletableFuture.runAsync(() -> {}, null),
3072	<
3073	<	() -> f.completeExceptionally(null),
3074	<
3075	<	() -> f.thenApply(null),
3076	<	() -> f.thenApplyAsync(null),
3077	<	() -> f.thenApplyAsync((x) -> x, null),
3078	<	() -> f.thenApplyAsync(null, exec),
3079	<
3080	<	() -> f.thenAccept(null),
3081	<	() -> f.thenAcceptAsync(null),
3082	<	() -> f.thenAcceptAsync((x) -> {} , null),
3083	<	() -> f.thenAcceptAsync(null, exec),
3084	<
3085	<	() -> f.thenRun(null),
3086	<	() -> f.thenRunAsync(null),
3087	<	() -> f.thenRunAsync(() -> {} , null),
3088	<	() -> f.thenRunAsync(null, exec),
3089	<
3090	<	() -> f.thenCombine(g, null),
3091	<	() -> f.thenCombineAsync(g, null),
3092	<	() -> f.thenCombineAsync(g, null, exec),
3093	<	() -> f.thenCombine(nullFuture, (x, y) -> x),
3094	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3095	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3096	<	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3097	<
3098	<	() -> f.thenAcceptBoth(g, null),
3099	<	() -> f.thenAcceptBothAsync(g, null),
3100	<	() -> f.thenAcceptBothAsync(g, null, exec),
3101	<	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3102	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3103	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3104	<	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3105	<
3106	<	() -> f.runAfterBoth(g, null),
3107	<	() -> f.runAfterBothAsync(g, null),
3108	<	() -> f.runAfterBothAsync(g, null, exec),
3109	<	() -> f.runAfterBoth(nullFuture, () -> {}),
3110	<	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3111	<	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3112	<	() -> f.runAfterBothAsync(g, () -> {}, null),
3113	<
3114	<	() -> f.applyToEither(g, null),
3115	<	() -> f.applyToEitherAsync(g, null),
3116	<	() -> f.applyToEitherAsync(g, null, exec),
3117	<	() -> f.applyToEither(nullFuture, (x) -> x),
3118	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3119	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3120	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3121	<
3122	<	() -> f.acceptEither(g, null),
3123	<	() -> f.acceptEitherAsync(g, null),
3124	<	() -> f.acceptEitherAsync(g, null, exec),
3125	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3126	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3127	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3128	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3129	<
3130	<	() -> f.runAfterEither(g, null),
3131	<	() -> f.runAfterEitherAsync(g, null),
3132	<	() -> f.runAfterEitherAsync(g, null, exec),
3133	<	() -> f.runAfterEither(nullFuture, () -> {}),
3134	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3135	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3136	<	() -> f.runAfterEitherAsync(g, () -> {}, null),
3137	<
3138	<	() -> f.thenCompose(null),
3139	<	() -> f.thenComposeAsync(null),
3140	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3141	<	() -> f.thenComposeAsync(null, exec),
3142	<
3143	<	() -> f.exceptionally(null),
3144	<
3145	<	() -> f.handle(null),
3146	<
3147	<	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3148	<	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3149	<	() -> CompletableFuture.allOf(f, null),
3150	<	() -> CompletableFuture.allOf(null, f),
3151	<
3152	<	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3153	<	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3154	<	() -> CompletableFuture.anyOf(f, null),
3155	<	() -> CompletableFuture.anyOf(null, f),
3156	<
3157	<	() -> f.obtrudeException(null),
3158	<	};
3159	<
3160	<	assertThrows(NullPointerException.class, throwingActions);
3161	<	assertEquals(0, exec.count.get());
3162	<	}
4254	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4255	>	if (!createIncomplete) f.completeExceptionally(ex);
4256	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4257	>	if (createIncomplete) {
4258	>	checkIncomplete(f);
4259	>	checkIncomplete(g);
4260	>	f.completeExceptionally(ex);
4261	>	}
4262	>	checkCompletedExceptionally(f, ex);
4263	>	checkCompletedWithWrappedException(g, ex);
4264	>	}}
4265
4266		/**
4267	<	* toCompletableFuture returns this CompletableFuture.
4267	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4268		*/
4269	<	public void testToCompletableFuture() {
4269	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4270	>	for (Integer v1 : new Integer[] { 1, null })
4271	>	{
4272		CompletableFuture<Integer> f = new CompletableFuture<>();
4273	<	assertSame(f, f.toCompletableFuture());
4274	<	}
4273	>	CompletionStage minimal = f.minimalCompletionStage();
4274	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4275	>	assertTrue(g.complete(v1));
4276	>	checkCompletedNormally(g, v1);
4277	>	checkIncomplete(f);
4278	>	checkIncomplete(minimal.toCompletableFuture());
4279	>	}}
4280
4281		/**
4282	<	* whenComplete action executes on normal completion, propagating
3174	<	* source result.
4282	>	* minimalStage.toCompletableFuture().join() awaits completion
4283		*/
4284	<	public void testWhenComplete1() {
4285	<	final AtomicInteger a = new AtomicInteger();
4284	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4285	>	for (boolean createIncomplete : new boolean[] { true, false })
4286	>	for (Integer v1 : new Integer[] { 1, null })
4287	>	{
4288		CompletableFuture<Integer> f = new CompletableFuture<>();
4289	<	CompletableFuture<Integer> g =
4290	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
4291	<	f.complete(three);
4292	<	checkCompletedNormally(f, three);
4293	<	checkCompletedNormally(g, three);
4294	<	assertEquals(a.get(), 1);
4289	>	if (!createIncomplete) assertTrue(f.complete(v1));
4290	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4291	>	if (createIncomplete) assertTrue(f.complete(v1));
4292	>	assertEquals(v1, minimal.toCompletableFuture().join());
4293	>	assertEquals(v1, minimal.toCompletableFuture().get());
4294	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4295	>	}}
4296	>
4297	>	/**
4298	>	* Completion of a toCompletableFuture copy of a minimal stage
4299	>	* does not complete its source.
4300	>	*/
4301	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4302	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4303	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4304	>	assertTrue(g.toCompletableFuture().complete(1));
4305	>	assertTrue(g.toCompletableFuture().complete(null));
4306	>	assertTrue(g.toCompletableFuture().cancel(true));
4307	>	assertTrue(g.toCompletableFuture().cancel(false));
4308	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4309	>	checkIncomplete(g.toCompletableFuture());
4310	>	f.complete(1);
4311	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4312		}
4313
4314	<	/**
4315	<	* whenComplete action executes on exceptional completion, propagating
4316	<	* source result.
4317	<	*/
4318	<	public void testWhenComplete2() {
4319	<	final AtomicInteger a = new AtomicInteger();
4320	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4321	<	CompletableFuture<Integer> g =
4322	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3196	<	f.completeExceptionally(new CFException());
3197	<	assertTrue(f.isCompletedExceptionally());
3198	<	assertTrue(g.isCompletedExceptionally());
3199	<	assertEquals(a.get(), 1);
4314	>	/** Demo utility method for external reliable toCompletableFuture */
4315	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4316	>	CompletableFuture<T> f = new CompletableFuture<>();
4317	>	stage.handle((T t, Throwable ex) -> {
4318	>	if (ex != null) f.completeExceptionally(ex);
4319	>	else f.complete(t);
4320	>	return null;
4321	>	});
4322	>	return f;
4323		}
4324
4325	<	/**
4326	<	* If a whenComplete action throws an exception when triggered by
4327	<	* a normal completion, it completes exceptionally
3205	<	*/
3206	<	public void testWhenComplete3() {
3207	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3208	<	CompletableFuture<Integer> g =
3209	<	f.whenComplete((Integer x, Throwable t) ->
3210	<	{ throw new CFException(); } );
3211	<	f.complete(three);
3212	<	checkCompletedNormally(f, three);
3213	<	assertTrue(g.isCompletedExceptionally());
3214	<	checkCompletedWithWrappedCFException(g);
4325	>	/** Demo utility method to join a CompletionStage */
4326	>	static <T> T join(CompletionStage<T> stage) {
4327	>	return toCompletableFuture(stage).join();
4328		}
4329
4330		/**
4331	<	* whenCompleteAsync action executes on normal completion, propagating
3219	<	* source result.
4331	>	* Joining a minimal stage "by hand" works
4332		*/
4333	<	public void testWhenCompleteAsync1() {
4334	<	final AtomicInteger a = new AtomicInteger();
4333	>	public void testMinimalCompletionStage_join_by_hand() {
4334	>	for (boolean createIncomplete : new boolean[] { true, false })
4335	>	for (Integer v1 : new Integer[] { 1, null })
4336	>	{
4337		CompletableFuture<Integer> f = new CompletableFuture<>();
4338	<	CompletableFuture<Integer> g =
4339	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
4340	<	f.complete(three);
4341	<	checkCompletedNormally(f, three);
4342	<	checkCompletedNormally(g, three);
4343	<	assertEquals(a.get(), 1);
4338	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4339	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4340	>	if (!createIncomplete) assertTrue(f.complete(v1));
4341	>	minimal.thenAccept(x -> g.complete(x));
4342	>	if (createIncomplete) assertTrue(f.complete(v1));
4343	>	g.join();
4344	>	checkCompletedNormally(g, v1);
4345	>	checkCompletedNormally(f, v1);
4346	>	assertEquals(v1, join(minimal));
4347	>	}}
4348	>
4349	>	static class Monad {
4350	>	static class ZeroException extends RuntimeException {
4351	>	public ZeroException() { super("monadic zero"); }
4352	>	}
4353	>	// "return", "unit"
4354	>	static <T> CompletableFuture<T> unit(T value) {
4355	>	return completedFuture(value);
4356	>	}
4357	>	// monadic zero ?
4358	>	static <T> CompletableFuture<T> zero() {
4359	>	return failedFuture(new ZeroException());
4360	>	}
4361	>	// >=>
4362	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4363	>	(Function<T, CompletableFuture<U>> f,
4364	>	Function<U, CompletableFuture<V>> g) {
4365	>	return x -> f.apply(x).thenCompose(g);
4366	>	}
4367	>
4368	>	static void assertZero(CompletableFuture<?> f) {
4369	>	try {
4370	>	f.getNow(null);
4371	>	throw new AssertionError("should throw");
4372	>	} catch (CompletionException success) {
4373	>	assertTrue(success.getCause() instanceof ZeroException);
4374	>	}
4375	>	}
4376	>
4377	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4378	>	CompletableFuture<T> g) {
4379	>	T fval = null, gval = null;
4380	>	Throwable fex = null, gex = null;
4381	>
4382	>	try { fval = f.get(); }
4383	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4384	>	catch (Throwable ex) { fex = ex; }
4385	>
4386	>	try { gval = g.get(); }
4387	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4388	>	catch (Throwable ex) { gex = ex; }
4389	>
4390	>	if (fex != null || gex != null)
4391	>	assertSame(fex.getClass(), gex.getClass());
4392	>	else
4393	>	assertEquals(fval, gval);
4394	>	}
4395	>
4396	>	static class PlusFuture<T> extends CompletableFuture<T> {
4397	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4398	>	}
4399	>
4400	>	/** Implements "monadic plus". */
4401	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4402	>	CompletableFuture<? extends T> g) {
4403	>	PlusFuture<T> plus = new PlusFuture<T>();
4404	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4405	>	try {
4406	>	if (ex == null) {
4407	>	if (plus.complete(result))
4408	>	if (plus.firstFailure.get() != null)
4409	>	plus.firstFailure.set(null);
4410	>	}
4411	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4412	>	if (plus.isDone())
4413	>	plus.firstFailure.set(null);
4414	>	}
4415	>	else {
4416	>	// first failure has precedence
4417	>	Throwable first = plus.firstFailure.getAndSet(null);
4418	>
4419	>	// may fail with "Self-suppression not permitted"
4420	>	try { first.addSuppressed(ex); }
4421	>	catch (Exception ignored) {}
4422	>
4423	>	plus.completeExceptionally(first);
4424	>	}
4425	>	} catch (Throwable unexpected) {
4426	>	plus.completeExceptionally(unexpected);
4427	>	}
4428	>	};
4429	>	f.whenComplete(action);
4430	>	g.whenComplete(action);
4431	>	return plus;
4432	>	}
4433	>	}
4434	>
4435	>	/**
4436	>	* CompletableFuture is an additive monad - sort of.
4437	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4438	>	*/
4439	>	public void testAdditiveMonad() throws Throwable {
4440	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4441	>	CompletableFuture<Long> zero = Monad.zero();
4442	>
4443	>	// Some mutually non-commutative functions
4444	>	Function<Long, CompletableFuture<Long>> triple
4445	>	= x -> Monad.unit(3 * x);
4446	>	Function<Long, CompletableFuture<Long>> inc
4447	>	= x -> Monad.unit(x + 1);
4448	>
4449	>	// unit is a right identity: m >>= unit === m
4450	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4451	>	inc.apply(5L));
4452	>	// unit is a left identity: (unit x) >>= f === f x
4453	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4454	>	inc.apply(5L));
4455	>
4456	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4457	>	Monad.assertFutureEquals(
4458	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4459	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4460	>
4461	>	// The case for CompletableFuture as an additive monad is weaker...
4462	>
4463	>	// zero is a monadic zero
4464	>	Monad.assertZero(zero);
4465	>
4466	>	// left zero: zero >>= f === zero
4467	>	Monad.assertZero(zero.thenCompose(inc));
4468	>	// right zero: f >>= (\x -> zero) === zero
4469	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4470	>
4471	>	// f plus zero === f
4472	>	Monad.assertFutureEquals(Monad.unit(5L),
4473	>	Monad.plus(Monad.unit(5L), zero));
4474	>	// zero plus f === f
4475	>	Monad.assertFutureEquals(Monad.unit(5L),
4476	>	Monad.plus(zero, Monad.unit(5L)));
4477	>	// zero plus zero === zero
4478	>	Monad.assertZero(Monad.plus(zero, zero));
4479	>	{
4480	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4481	>	Monad.unit(8L));
4482	>	// non-determinism
4483	>	assertTrue(f.get() == 5L || f.get() == 8L);
4484	>	}
4485	>
4486	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4487	>	// f plus godot === f (doesn't wait for godot)
4488	>	Monad.assertFutureEquals(Monad.unit(5L),
4489	>	Monad.plus(Monad.unit(5L), godot));
4490	>	// godot plus f === f (doesn't wait for godot)
4491	>	Monad.assertFutureEquals(Monad.unit(5L),
4492	>	Monad.plus(godot, Monad.unit(5L)));
4493	>	}
4494	>
4495	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4496	>	@SuppressWarnings("FutureReturnValueIgnored")
4497	>	public void testRecursiveChains() throws Throwable {
4498	>	for (ExecutionMode m : ExecutionMode.values())
4499	>	for (boolean addDeadEnds : new boolean[] { true, false })
4500	>	{
4501	>	final int val = 42;
4502	>	final int n = expensiveTests ? 1_000 : 2;
4503	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4504	>	CompletableFuture<Integer> tail = head;
4505	>	for (int i = 0; i < n; i++) {
4506	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4507	>	tail = m.thenApply(tail, v -> v + 1);
4508	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4509	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4510	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4511	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4512	>	}
4513	>	head.complete(val);
4514	>	assertEquals(val + 3 * n, (int) tail.join());
4515	>	}}
4516	>
4517	>	/**
4518	>	* A single CompletableFuture with many dependents.
4519	>	* A demo of scalability - runtime is O(n).
4520	>	*/
4521	>	@SuppressWarnings("FutureReturnValueIgnored")
4522	>	public void testManyDependents() throws Throwable {
4523	>	final int n = expensiveTests ? 1_000_000 : 10;
4524	>	final CompletableFuture<Void> head = new CompletableFuture<>();
4525	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4526	>	final AtomicInteger count = new AtomicInteger(0);
4527	>	for (int i = 0; i < n; i++) {
4528	>	head.thenRun(() -> count.getAndIncrement());
4529	>	head.thenAccept(x -> count.getAndIncrement());
4530	>	head.thenApply(x -> count.getAndIncrement());
4531	>
4532	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
4533	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4534	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4535	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
4536	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4537	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4538	>
4539	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4540	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4541	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4542	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4543	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4544	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4545	>	}
4546	>	head.complete(null);
4547	>	assertEquals(5 * 3 * n, count.get());
4548	>	}
4549	>
4550	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4551	>	@SuppressWarnings("FutureReturnValueIgnored")
4552	>	public void testCoCompletionGarbageRetention() throws Throwable {
4553	>	final int n = expensiveTests ? 1_000_000 : 10;
4554	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4555	>	CompletableFuture<Integer> f;
4556	>	for (int i = 0; i < n; i++) {
4557	>	f = new CompletableFuture<>();
4558	>	f.runAfterEither(incomplete, () -> {});
4559	>	f.complete(null);
4560	>
4561	>	f = new CompletableFuture<>();
4562	>	f.acceptEither(incomplete, x -> {});
4563	>	f.complete(null);
4564	>
4565	>	f = new CompletableFuture<>();
4566	>	f.applyToEither(incomplete, x -> x);
4567	>	f.complete(null);
4568	>
4569	>	f = new CompletableFuture<>();
4570	>	CompletableFuture.anyOf(f, incomplete);
4571	>	f.complete(null);
4572	>	}
4573	>
4574	>	for (int i = 0; i < n; i++) {
4575	>	f = new CompletableFuture<>();
4576	>	incomplete.runAfterEither(f, () -> {});
4577	>	f.complete(null);
4578	>
4579	>	f = new CompletableFuture<>();
4580	>	incomplete.acceptEither(f, x -> {});
4581	>	f.complete(null);
4582	>
4583	>	f = new CompletableFuture<>();
4584	>	incomplete.applyToEither(f, x -> x);
4585	>	f.complete(null);
4586	>
4587	>	f = new CompletableFuture<>();
4588	>	CompletableFuture.anyOf(incomplete, f);
4589	>	f.complete(null);
4590	>	}
4591	>	}
4592	>
4593	>	/**
4594	>	* Reproduction recipe for:
4595	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4596	>	* 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
4597	>	*/
4598	>	public void testAnyOfGarbageRetention() throws Throwable {
4599	>	for (Integer v : new Integer[] { 1, null })
4600	>	{
4601	>	final int n = expensiveTests ? 100_000 : 10;
4602	>	CompletableFuture<Integer>[] fs
4603	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4604	>	for (int i = 0; i < fs.length; i++)
4605	>	fs[i] = new CompletableFuture<>();
4606	>	fs[fs.length - 1].complete(v);
4607	>	for (int i = 0; i < n; i++)
4608	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4609	>	}}
4610	>
4611	>	/**
4612	>	* Checks for garbage retention with allOf.
4613	>	*
4614	>	* As of 2016-07, fails with OOME:
4615	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4616	>	*/
4617	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4618	>	final int n = expensiveTests ? 100_000 : 10;
4619	>	CompletableFuture<Integer>[] fs
4620	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4621	>	for (int i = 0; i < fs.length; i++)
4622	>	fs[i] = new CompletableFuture<>();
4623	>	for (int i = 0; i < n; i++)
4624	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4625	>	}
4626	>
4627	>	/**
4628	>	* Checks for garbage retention when a dependent future is
4629	>	* cancelled and garbage-collected.
4630	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4631	>	*
4632	>	* As of 2016-07, fails with OOME:
4633	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4634	>	*/
4635	>	public void testCancelledGarbageRetention() throws Throwable {
4636	>	final int n = expensiveTests ? 100_000 : 10;
4637	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4638	>	for (int i = 0; i < n; i++)
4639	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4640	>	}
4641	>
4642	>	/**
4643	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4644	>	* is invoked many times.
4645	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4646	>	*
4647	>	* As of 2016-07, fails with OOME:
4648	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4649	>	*/
4650	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4651	>	final int n = expensiveTests ? 900_000 : 10;
4652	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4653	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4654	>	for (int i = 0; i < n; i++)
4655	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4656	>	}
4657	>
4658	>	//     static <U> U join(CompletionStage<U> stage) {
4659	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4660	>	//         stage.whenComplete((v, ex) -> {
4661	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4662	>	//         });
4663	>	//         return f.join();
4664	>	//     }
4665	>
4666	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4667	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4668	>	//         stage.whenComplete((v, ex) -> {
4669	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4670	>	//         });
4671	>	//         return f.isDone();
4672	>	//     }
4673	>
4674	>	//     static <U> U join2(CompletionStage<U> stage) {
4675	>	//         return stage.toCompletableFuture().copy().join();
4676	>	//     }
4677	>
4678	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4679	>	//         return stage.toCompletableFuture().copy().isDone();
4680	>	//     }
4681	>
4682	>	// For testing default implementations
4683	>	// Only non-default interface methods defined.
4684	>	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4685	>	final CompletableFuture<T> cf;
4686	>	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4687	>	public CompletableFuture<T> toCompletableFuture() {
4688	>	return cf; }
4689	>	public CompletionStage<Void> thenRun
4690	>	(Runnable action) {
4691	>	return cf.thenRun(action); }
4692	>	public CompletionStage<Void> thenRunAsync
4693	>	(Runnable action) {
4694	>	return cf.thenRunAsync(action); }
4695	>	public CompletionStage<Void> thenRunAsync
4696	>	(Runnable action,
4697	>	Executor executor) {
4698	>	return cf.thenRunAsync(action, executor); }
4699	>	public CompletionStage<Void> thenAccept
4700	>	(Consumer<? super T> action) {
4701	>	return cf.thenAccept(action); }
4702	>	public CompletionStage<Void> thenAcceptAsync
4703	>	(Consumer<? super T> action) {
4704	>	return cf.thenAcceptAsync(action); }
4705	>	public CompletionStage<Void> thenAcceptAsync
4706	>	(Consumer<? super T> action,
4707	>	Executor executor) {
4708	>	return cf.thenAcceptAsync(action, executor); }
4709	>	public <U> CompletionStage<U> thenApply
4710	>	(Function<? super T,? extends U> a) {
4711	>	return cf.thenApply(a); }
4712	>	public <U> CompletionStage<U> thenApplyAsync
4713	>	(Function<? super T,? extends U> fn) {
4714	>	return cf.thenApplyAsync(fn); }
4715	>	public <U> CompletionStage<U> thenApplyAsync
4716	>	(Function<? super T,? extends U> fn,
4717	>	Executor executor) {
4718	>	return cf.thenApplyAsync(fn, executor); }
4719	>	public <U,V> CompletionStage<V> thenCombine
4720	>	(CompletionStage<? extends U> other,
4721	>	BiFunction<? super T,? super U,? extends V> fn) {
4722	>	return cf.thenCombine(other, fn); }
4723	>	public <U,V> CompletionStage<V> thenCombineAsync
4724	>	(CompletionStage<? extends U> other,
4725	>	BiFunction<? super T,? super U,? extends V> fn) {
4726	>	return cf.thenCombineAsync(other, fn); }
4727	>	public <U,V> CompletionStage<V> thenCombineAsync
4728	>	(CompletionStage<? extends U> other,
4729	>	BiFunction<? super T,? super U,? extends V> fn,
4730	>	Executor executor) {
4731	>	return cf.thenCombineAsync(other, fn, executor); }
4732	>	public <U> CompletionStage<Void> thenAcceptBoth
4733	>	(CompletionStage<? extends U> other,
4734	>	BiConsumer<? super T, ? super U> action) {
4735	>	return cf.thenAcceptBoth(other, action); }
4736	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4737	>	(CompletionStage<? extends U> other,
4738	>	BiConsumer<? super T, ? super U> action) {
4739	>	return cf.thenAcceptBothAsync(other, action); }
4740	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4741	>	(CompletionStage<? extends U> other,
4742	>	BiConsumer<? super T, ? super U> action,
4743	>	Executor executor) {
4744	>	return cf.thenAcceptBothAsync(other, action, executor); }
4745	>	public CompletionStage<Void> runAfterBoth
4746	>	(CompletionStage<?> other,
4747	>	Runnable action) {
4748	>	return cf.runAfterBoth(other, action); }
4749	>	public CompletionStage<Void> runAfterBothAsync
4750	>	(CompletionStage<?> other,
4751	>	Runnable action) {
4752	>	return cf.runAfterBothAsync(other, action); }
4753	>	public CompletionStage<Void> runAfterBothAsync
4754	>	(CompletionStage<?> other,
4755	>	Runnable action,
4756	>	Executor executor) {
4757	>	return cf.runAfterBothAsync(other, action, executor); }
4758	>	public <U> CompletionStage<U> applyToEither
4759	>	(CompletionStage<? extends T> other,
4760	>	Function<? super T, U> fn) {
4761	>	return cf.applyToEither(other, fn); }
4762	>	public <U> CompletionStage<U> applyToEitherAsync
4763	>	(CompletionStage<? extends T> other,
4764	>	Function<? super T, U> fn) {
4765	>	return cf.applyToEitherAsync(other, fn); }
4766	>	public <U> CompletionStage<U> applyToEitherAsync
4767	>	(CompletionStage<? extends T> other,
4768	>	Function<? super T, U> fn,
4769	>	Executor executor) {
4770	>	return cf.applyToEitherAsync(other, fn, executor); }
4771	>	public CompletionStage<Void> acceptEither
4772	>	(CompletionStage<? extends T> other,
4773	>	Consumer<? super T> action) {
4774	>	return cf.acceptEither(other, action); }
4775	>	public CompletionStage<Void> acceptEitherAsync
4776	>	(CompletionStage<? extends T> other,
4777	>	Consumer<? super T> action) {
4778	>	return cf.acceptEitherAsync(other, action); }
4779	>	public CompletionStage<Void> acceptEitherAsync
4780	>	(CompletionStage<? extends T> other,
4781	>	Consumer<? super T> action,
4782	>	Executor executor) {
4783	>	return cf.acceptEitherAsync(other, action, executor); }
4784	>	public CompletionStage<Void> runAfterEither
4785	>	(CompletionStage<?> other,
4786	>	Runnable action) {
4787	>	return cf.runAfterEither(other, action); }
4788	>	public CompletionStage<Void> runAfterEitherAsync
4789	>	(CompletionStage<?> other,
4790	>	Runnable action) {
4791	>	return cf.runAfterEitherAsync(other, action); }
4792	>	public CompletionStage<Void> runAfterEitherAsync
4793	>	(CompletionStage<?> other,
4794	>	Runnable action,
4795	>	Executor executor) {
4796	>	return cf.runAfterEitherAsync(other, action, executor); }
4797	>	public <U> CompletionStage<U> thenCompose
4798	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4799	>	return cf.thenCompose(fn); }
4800	>	public <U> CompletionStage<U> thenComposeAsync
4801	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4802	>	return cf.thenComposeAsync(fn); }
4803	>	public <U> CompletionStage<U> thenComposeAsync
4804	>	(Function<? super T, ? extends CompletionStage<U>> fn,
4805	>	Executor executor) {
4806	>	return cf.thenComposeAsync(fn, executor); }
4807	>	public <U> CompletionStage<U> handle
4808	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4809	>	return cf.handle(fn); }
4810	>	public <U> CompletionStage<U> handleAsync
4811	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4812	>	return cf.handleAsync(fn); }
4813	>	public <U> CompletionStage<U> handleAsync
4814	>	(BiFunction<? super T, Throwable, ? extends U> fn,
4815	>	Executor executor) {
4816	>	return cf.handleAsync(fn, executor); }
4817	>	public CompletionStage<T> whenComplete
4818	>	(BiConsumer<? super T, ? super Throwable> action) {
4819	>	return cf.whenComplete(action); }
4820	>	public CompletionStage<T> whenCompleteAsync
4821	>	(BiConsumer<? super T, ? super Throwable> action) {
4822	>	return cf.whenCompleteAsync(action); }
4823	>	public CompletionStage<T> whenCompleteAsync
4824	>	(BiConsumer<? super T, ? super Throwable> action,
4825	>	Executor executor) {
4826	>	return cf.whenCompleteAsync(action, executor); }
4827	>	public CompletionStage<T> exceptionally
4828	>	(Function<Throwable, ? extends T> fn) {
4829	>	return cf.exceptionally(fn); }
4830		}
4831
4832		/**
4833	<	* whenCompleteAsync action executes on exceptional completion, propagating
4834	<	* source result.
4833	>	* default-implemented exceptionallyAsync action is not invoked when
4834	>	* source completes normally, and source result is propagated
4835		*/
4836	<	public void testWhenCompleteAsync2() {
4837	<	final AtomicInteger a = new AtomicInteger();
4838	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4839	<	CompletableFuture<Integer> g =
4840	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
4841	<	f.completeExceptionally(new CFException());
4842	<	checkCompletedWithWrappedCFException(f);
4843	<	checkCompletedWithWrappedCFException(g);
4844	<	}
4836	>	public void testDefaultExceptionallyAsync_normalCompletion() {
4837	>	for (boolean createIncomplete : new boolean[] { true, false })
4838	>	for (Integer v1 : new Integer[] { 1, null })
4839	>	{
4840	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4841	>	final DelegatedCompletionStage<Integer> d =
4842	>	new DelegatedCompletionStage<Integer>(f);
4843	>	if (!createIncomplete) assertTrue(f.complete(v1));
4844	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4845	>	((Throwable t) -> {
4846	>	threadFail("should not be called");
4847	>	return null;            // unreached
4848	>	});
4849	>	if (createIncomplete) assertTrue(f.complete(v1));
4850	>
4851	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4852	>	}}
4853
4854		/**
4855	<	* If a whenCompleteAsync action throws an exception when
4856	<	* triggered by a normal completion, it completes exceptionally
4855	>	* default-implemented exceptionallyAsync action completes with
4856	>	* function value on source exception
4857		*/
4858	<	public void testWhenCompleteAsync3() {
4859	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4860	<	CompletableFuture<Integer> g =
4861	<	f.whenCompleteAsync((Integer x, Throwable t) ->
4862	<	{ throw new CFException(); } );
4863	<	f.complete(three);
4864	<	checkCompletedNormally(f, three);
4865	<	checkCompletedWithWrappedCFException(g);
4866	<	}
4858	>	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4859	>	for (boolean createIncomplete : new boolean[] { true, false })
4860	>	for (Integer v1 : new Integer[] { 1, null })
4861	>	{
4862	>	final AtomicInteger a = new AtomicInteger(0);
4863	>	final CFException ex = new CFException();
4864	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4865	>	final DelegatedCompletionStage<Integer> d =
4866	>	new DelegatedCompletionStage<Integer>(f);
4867	>	if (!createIncomplete) f.completeExceptionally(ex);
4868	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4869	>	((Throwable t) -> {
4870	>	threadAssertSame(t, ex);
4871	>	a.getAndIncrement();
4872	>	return v1;
4873	>	});
4874	>	if (createIncomplete) f.completeExceptionally(ex);
4875	>
4876	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4877	>	assertEquals(1, a.get());
4878	>	}}
4879	>
4880	>	/**
4881	>	* Under default implementation, if an "exceptionally action"
4882	>	* throws an exception, it completes exceptionally with that
4883	>	* exception
4884	>	*/
4885	>	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4886	>	for (boolean createIncomplete : new boolean[] { true, false })
4887	>	{
4888	>	final AtomicInteger a = new AtomicInteger(0);
4889	>	final CFException ex1 = new CFException();
4890	>	final CFException ex2 = new CFException();
4891	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4892	>	final DelegatedCompletionStage<Integer> d =
4893	>	new DelegatedCompletionStage<Integer>(f);
4894	>	if (!createIncomplete) f.completeExceptionally(ex1);
4895	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4896	>	((Throwable t) -> {
4897	>	threadAssertSame(t, ex1);
4898	>	a.getAndIncrement();
4899	>	throw ex2;
4900	>	});
4901	>	if (createIncomplete) f.completeExceptionally(ex1);
4902	>
4903	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4904	>	checkCompletedExceptionally(f, ex1);
4905	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4906	>	assertEquals(1, a.get());
4907	>	}}
4908
4909		/**
4910	<	* whenCompleteAsync action executes on normal completion, propagating
4911	<	* source result.
4910	>	* default-implemented exceptionallyCompose result completes
4911	>	* normally after normal completion of source
4912		*/
4913	<	public void testWhenCompleteAsync1e() {
4914	<	final AtomicInteger a = new AtomicInteger();
4915	<	ThreadExecutor exec = new ThreadExecutor();
4916	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4917	<	CompletableFuture<Integer> g =
4918	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
4919	<	exec);
4920	<	f.complete(three);
4921	<	checkCompletedNormally(f, three);
4922	<	checkCompletedNormally(g, three);
4923	<	assertEquals(a.get(), 1);
4924	<	}
4913	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4914	>	for (boolean createIncomplete : new boolean[] { true, false })
4915	>	for (Integer v1 : new Integer[] { 1, null })
4916	>	{
4917	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4918	>	final ExceptionalCompletableFutureFunction r =
4919	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4920	>	final DelegatedCompletionStage<Integer> d =
4921	>	new DelegatedCompletionStage<Integer>(f);
4922	>	if (!createIncomplete) assertTrue(f.complete(v1));
4923	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4924	>	if (createIncomplete) assertTrue(f.complete(v1));
4925	>
4926	>	checkCompletedNormally(f, v1);
4927	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4928	>	r.assertNotInvoked();
4929	>	}}
4930
4931		/**
4932	<	* whenCompleteAsync action executes on exceptional completion, propagating
4933	<	* source result.
4932	>	* default-implemented exceptionallyCompose result completes
4933	>	* normally after exceptional completion of source
4934		*/
4935	<	public void testWhenCompleteAsync2e() {
4936	<	final AtomicInteger a = new AtomicInteger();
4937	<	ThreadExecutor exec = new ThreadExecutor();
4938	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4939	<	CompletableFuture<Integer> g =
4940	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
4941	<	exec);
4942	<	f.completeExceptionally(new CFException());
4943	<	checkCompletedWithWrappedCFException(f);
4944	<	checkCompletedWithWrappedCFException(g);
4945	<	}
4935	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4936	>	for (boolean createIncomplete : new boolean[] { true, false })
4937	>	{
4938	>	final CFException ex = new CFException();
4939	>	final ExceptionalCompletableFutureFunction r =
4940	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4941	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4942	>	final DelegatedCompletionStage<Integer> d =
4943	>	new DelegatedCompletionStage<Integer>(f);
4944	>	if (!createIncomplete) f.completeExceptionally(ex);
4945	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4946	>	if (createIncomplete) f.completeExceptionally(ex);
4947	>
4948	>	checkCompletedExceptionally(f, ex);
4949	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4950	>	r.assertInvoked();
4951	>	}}
4952
4953		/**
4954	<	* If a whenCompleteAsync action throws an exception when triggered
4955	<	* by a normal completion, it completes exceptionally
4954	>	* default-implemented exceptionallyCompose completes
4955	>	* exceptionally on exception if action does
4956		*/
4957	<	public void testWhenCompleteAsync3e() {
4958	<	ThreadExecutor exec = new ThreadExecutor();
4959	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4960	<	CompletableFuture<Integer> g =
4961	<	f.whenCompleteAsync((Integer x, Throwable t) ->
4962	<	{ throw new CFException(); },
4963	<	exec);
4964	<	f.complete(three);
4965	<	checkCompletedNormally(f, three);
4966	<	checkCompletedWithWrappedCFException(g);
4967	<	}
4957	>	public void testDefaultExceptionallyCompose_actionFailed() {
4958	>	for (boolean createIncomplete : new boolean[] { true, false })
4959	>	for (Integer v1 : new Integer[] { 1, null })
4960	>	{
4961	>	final CFException ex = new CFException();
4962	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4963	>	final FailingExceptionalCompletableFutureFunction r
4964	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4965	>	final DelegatedCompletionStage<Integer> d =
4966	>	new DelegatedCompletionStage<Integer>(f);
4967	>	if (!createIncomplete) f.completeExceptionally(ex);
4968	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4969	>	if (createIncomplete) f.completeExceptionally(ex);
4970	>
4971	>	checkCompletedExceptionally(f, ex);
4972	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4973	>	r.assertInvoked();
4974	>	}}
4975
4976		/**
4977	<	* handleAsync action completes normally with function value on
4978	<	* either normal or exceptional completion of source
4977	>	* default-implemented exceptionallyComposeAsync result completes
4978	>	* normally after normal completion of source
4979		*/
4980	<	public void testHandleAsync() {
4981	<	CompletableFuture<Integer> f, g;
4982	<	IntegerHandler r;
4983	<
4984	<	f = new CompletableFuture<>();
4985	<	g = f.handleAsync(r = new IntegerHandler());
4986	<	assertFalse(r.ran);
4987	<	f.completeExceptionally(new CFException());
4988	<	checkCompletedWithWrappedCFException(f);
4989	<	checkCompletedNormally(g, three);
4990	<	assertTrue(r.ran);
4991	<
3325	<	f = new CompletableFuture<>();
3326	<	g = f.handleAsync(r = new IntegerHandler());
3327	<	assertFalse(r.ran);
3328	<	f.completeExceptionally(new CFException());
3329	<	checkCompletedWithWrappedCFException(f);
3330	<	checkCompletedNormally(g, three);
3331	<	assertTrue(r.ran);
4980	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4981	>	for (boolean createIncomplete : new boolean[] { true, false })
4982	>	for (Integer v1 : new Integer[] { 1, null })
4983	>	{
4984	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4985	>	final ExceptionalCompletableFutureFunction r =
4986	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4987	>	final DelegatedCompletionStage<Integer> d =
4988	>	new DelegatedCompletionStage<Integer>(f);
4989	>	if (!createIncomplete) assertTrue(f.complete(v1));
4990	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4991	>	if (createIncomplete) assertTrue(f.complete(v1));
4992
4993	<	f = new CompletableFuture<>();
4994	<	g = f.handleAsync(r = new IntegerHandler());
4995	<	assertFalse(r.ran);
4996	<	f.complete(one);
3337	<	checkCompletedNormally(f, one);
3338	<	checkCompletedNormally(g, two);
3339	<	assertTrue(r.ran);
4993	>	checkCompletedNormally(f, v1);
4994	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4995	>	r.assertNotInvoked();
4996	>	}}
4997
4998	<	f = new CompletableFuture<>();
4999	<	g = f.handleAsync(r = new IntegerHandler());
5000	<	assertFalse(r.ran);
5001	<	f.complete(one);
5002	<	checkCompletedNormally(f, one);
5003	<	checkCompletedNormally(g, two);
5004	<	assertTrue(r.ran);
5005	<	}
4998	>	/**
4999	>	* default-implemented exceptionallyComposeAsync result completes
5000	>	* normally after exceptional completion of source
5001	>	*/
5002	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
5003	>	for (boolean createIncomplete : new boolean[] { true, false })
5004	>	{
5005	>	final CFException ex = new CFException();
5006	>	final ExceptionalCompletableFutureFunction r =
5007	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5008	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5009	>	final DelegatedCompletionStage<Integer> d =
5010	>	new DelegatedCompletionStage<Integer>(f);
5011	>	if (!createIncomplete) f.completeExceptionally(ex);
5012	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5013	>	if (createIncomplete) f.completeExceptionally(ex);
5014	>
5015	>	checkCompletedExceptionally(f, ex);
5016	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5017	>	r.assertInvoked();
5018	>	}}
5019
5020		/**
5021	<	* handleAsync action with Executor completes normally with
5022	<	* function value on either normal or exceptional completion of
3353	<	* source
5021	>	* default-implemented exceptionallyComposeAsync completes
5022	>	* exceptionally on exception if action does
5023		*/
5024	<	public void testHandleAsync2() {
5025	<	CompletableFuture<Integer> f, g;
5026	<	ThreadExecutor exec = new ThreadExecutor();
5027	<	IntegerHandler r;
5024	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5025	>	for (boolean createIncomplete : new boolean[] { true, false })
5026	>	for (Integer v1 : new Integer[] { 1, null })
5027	>	{
5028	>	final CFException ex = new CFException();
5029	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5030	>	final FailingExceptionalCompletableFutureFunction r
5031	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5032	>	final DelegatedCompletionStage<Integer> d =
5033	>	new DelegatedCompletionStage<Integer>(f);
5034	>	if (!createIncomplete) f.completeExceptionally(ex);
5035	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5036	>	if (createIncomplete) f.completeExceptionally(ex);
5037	>
5038	>	checkCompletedExceptionally(f, ex);
5039	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5040	>	r.assertInvoked();
5041	>	}}
5042
5043	<	f = new CompletableFuture<>();
5044	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5045	<	assertFalse(r.ran);
5046	<	f.completeExceptionally(new CFException());
5047	<	checkCompletedWithWrappedCFException(f);
5048	<	checkCompletedNormally(g, three);
5049	<	assertTrue(r.ran);
5043	>	/**
5044	>	* default-implemented exceptionallyComposeAsync result completes
5045	>	* normally after normal completion of source
5046	>	*/
5047	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5048	>	for (boolean createIncomplete : new boolean[] { true, false })
5049	>	for (Integer v1 : new Integer[] { 1, null })
5050	>	{
5051	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5052	>	final ExceptionalCompletableFutureFunction r =
5053	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5054	>	final DelegatedCompletionStage<Integer> d =
5055	>	new DelegatedCompletionStage<Integer>(f);
5056	>	if (!createIncomplete) assertTrue(f.complete(v1));
5057	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5058	>	if (createIncomplete) assertTrue(f.complete(v1));
5059
5060	<	f = new CompletableFuture<>();
5061	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5062	<	assertFalse(r.ran);
5063	<	f.completeExceptionally(new CFException());
3372	<	checkCompletedWithWrappedCFException(f);
3373	<	checkCompletedNormally(g, three);
3374	<	assertTrue(r.ran);
5060	>	checkCompletedNormally(f, v1);
5061	>	checkCompletedNormally(g.toCompletableFuture(), v1);
5062	>	r.assertNotInvoked();
5063	>	}}
5064
5065	<	f = new CompletableFuture<>();
5066	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5067	<	assertFalse(r.ran);
5068	<	f.complete(one);
5069	<	checkCompletedNormally(f, one);
5070	<	checkCompletedNormally(g, two);
5071	<	assertTrue(r.ran);
5065	>	/**
5066	>	* default-implemented exceptionallyComposeAsync result completes
5067	>	* normally after exceptional completion of source
5068	>	*/
5069	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5070	>	for (boolean createIncomplete : new boolean[] { true, false })
5071	>	{
5072	>	final CFException ex = new CFException();
5073	>	final ExceptionalCompletableFutureFunction r =
5074	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5075	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5076	>	final DelegatedCompletionStage<Integer> d =
5077	>	new DelegatedCompletionStage<Integer>(f);
5078	>	if (!createIncomplete) f.completeExceptionally(ex);
5079	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5080	>	if (createIncomplete) f.completeExceptionally(ex);
5081	>
5082	>	checkCompletedExceptionally(f, ex);
5083	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5084	>	r.assertInvoked();
5085	>	}}
5086
5087	<	f = new CompletableFuture<>();
5088	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5089	<	assertFalse(r.ran);
5090	<	f.complete(one);
5091	<	checkCompletedNormally(f, one);
5092	<	checkCompletedNormally(g, two);
5093	<	assertTrue(r.ran);
5094	<	}
5087	>	/**
5088	>	* default-implemented exceptionallyComposeAsync completes
5089	>	* exceptionally on exception if action does
5090	>	*/
5091	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5092	>	for (boolean createIncomplete : new boolean[] { true, false })
5093	>	for (Integer v1 : new Integer[] { 1, null })
5094	>	{
5095	>	final CFException ex = new CFException();
5096	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5097	>	final FailingExceptionalCompletableFutureFunction r
5098	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5099	>	final DelegatedCompletionStage<Integer> d =
5100	>	new DelegatedCompletionStage<Integer>(f);
5101	>	if (!createIncomplete) f.completeExceptionally(ex);
5102	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5103	>	if (createIncomplete) f.completeExceptionally(ex);
5104	>
5105	>	checkCompletedExceptionally(f, ex);
5106	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5107	>	r.assertInvoked();
5108	>	}}
5109
5110		}

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