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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.42 by jsr166, Mon Jun 2 02:19:23 2014 UTC vs.
Revision 1.219 by jsr166, Sat Nov 24 18:33:26 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());
265	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288		f = new CompletableFuture<>();
289	<	f.obtrudeException(new CFException());
290	<	checkCompletedWithWrappedCFException(f);
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295	>	f = new CompletableFuture<>();
296	>	for (int i = 0; i < 2; i++) {
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	}
300	>
301		f = new CompletableFuture<>();
302		f.completeExceptionally(new CFException());
303	<	f.obtrudeValue(four);
304	<	checkCompletedNormally(f, four);
305	<	f.obtrudeException(new CFException());
306	<	checkCompletedWithWrappedCFException(f);
307	<	}
303	>	f.obtrudeValue(v1);
304	>	checkCompletedNormally(f, v1);
305	>	f.obtrudeException(ex = new CFException());
306	>	checkCompletedExceptionally(f, ex);
307	>	f.completeExceptionally(new CFException());
308	>	checkCompletedExceptionally(f, ex);
309	>	assertFalse(f.complete(v1));
310	>	checkCompletedExceptionally(f, ex);
311	>	}}
312
313		/**
314		* getNumberOfDependents returns number of dependent tasks
315		*/
316		public void testGetNumberOfDependents() {
317	+	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	<	int invocationCount = 0;
473	<	boolean ran;
471	>
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474		public void run() {
475	<	invocationCount++;
382	<	ran = true;
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));
418	<	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) {
447	<	ran = true;
448	<	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 471 | 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 483 | 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		}
502	–	},
503	–
504	–	//             /** Experimental way to do more testing */
505	–	//         REVERSE_DEFAULT {
506	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
507	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
508	–	//                 return g.runAfterBoth(f, a);
509	–	//             }
510	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
511	–	//                 (CompletableFuture<T> f,
512	–	//                  CompletionStage<? extends U> g,
513	–	//                  BiConsumer<? super T,? super U> a) {
514	–	//                 return DEFAULT.thenAcceptBoth(f, g, a);
515	–	//             }
516	–	//         },
517	–
518	–	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 532 | 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 544 | 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		}
563	–	},
564	–
565	–	//         REVERSE_DEFAULT_ASYNC {
566	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
567	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
568	–	//                 return f.runAfterBothAsync(g, a);
569	–	//             }
570	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
571	–	//                 (CompletableFuture<T> f,
572	–	//                  CompletionStage<? extends U> g,
573	–	//                  BiConsumer<? super T,? super U> a) {
574	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
575	–	//             }
576	–	//         },
577	–
578	–	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 592 | 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 604 | 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) {
621	<	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 632 | 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);
653	<
654	<
655	<	}
656	<
657	<	/**
658	<	* exceptionally action completes with function value on source
659	<	* exception; otherwise with source value
660	<	*/
661	<	public void testExceptionally() {
662	<	CompletableFuture<Integer> f = new CompletableFuture<>();
663	<	ExceptionToInteger r = new ExceptionToInteger();
664	<	CompletableFuture<Integer> g = f.exceptionally(r);
665	<	f.completeExceptionally(new CFException());
666	<	checkCompletedNormally(g, three);
667	<
668	<	f = new CompletableFuture<>();
669	<	r = new ExceptionToInteger();
670	<	g = f.exceptionally(r);
671	<	f.complete(one);
672	<	checkCompletedNormally(g, one);
673	<	}
674	<
675	<	/**
676	<	* handle action completes normally with function value on either
677	<	* normal or exceptional completion of source
678	<	*/
679	<	public void testHandle() {
680	<	CompletableFuture<Integer> f, g;
681	<	IntegerHandler r;
682	<
683	<	f = new CompletableFuture<>();
684	<	f.completeExceptionally(new CFException());
685	<	g = f.handle(r = new IntegerHandler());
686	<	assertTrue(r.ran);
687	<	checkCompletedNormally(g, three);
688	<
689	<	f = new CompletableFuture<>();
690	<	g = f.handle(r = new IntegerHandler());
691	<	assertFalse(r.ran);
692	<	f.completeExceptionally(new CFException());
693	<	checkCompletedNormally(g, three);
694	<	assertTrue(r.ran);
695	<
696	<	f = new CompletableFuture<>();
697	<	f.complete(one);
698	<	g = f.handle(r = new IntegerHandler());
699	<	assertTrue(r.ran);
700	<	checkCompletedNormally(g, two);
701	<
702	<	f = new CompletableFuture<>();
703	<	g = f.handle(r = new IntegerHandler());
704	<	assertFalse(r.ran);
705	<	f.complete(one);
706	<	assertTrue(r.ran);
707	<	checkCompletedNormally(g, two);
708	<	}
709	<
710	<	/**
711	<	* runAsync completes after running Runnable
712	<	*/
713	<	public void testRunAsync() {
714	<	Noop r = new Noop();
715	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
716	<	assertNull(f.join());
717	<	assertTrue(r.ran);
718	<	checkCompletedNormally(f, null);
719	<	}
720	<
721	<	/**
722	<	* runAsync with executor completes after running Runnable
723	<	*/
724	<	public void testRunAsync2() {
725	<	Noop r = new Noop();
726	<	ThreadExecutor exec = new ThreadExecutor();
727	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
728	<	assertNull(f.join());
729	<	assertTrue(r.ran);
730	<	checkCompletedNormally(f, null);
731	<	assertEquals(1, exec.count.get());
732	<	}
733	<
734	<	/**
735	<	* failing runAsync completes exceptionally after running Runnable
736	<	*/
737	<	public void testRunAsync3() {
738	<	FailingNoop r = new FailingNoop();
739	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
740	<	checkCompletedWithWrappedCFException(f);
741	<	assertTrue(r.ran);
742	<	}
743	<
744	<	/**
745	<	* supplyAsync completes with result of supplier
746	<	*/
747	<	public void testSupplyAsync() {
748	<	CompletableFuture<Integer> f;
749	<	f = CompletableFuture.supplyAsync(supplyOne);
750	<	assertEquals(f.join(), one);
751	<	checkCompletedNormally(f, one);
752	<	}
753	<
754	<	/**
755	<	* supplyAsync with executor completes with result of supplier
756	<	*/
757	<	public void testSupplyAsync2() {
758	<	CompletableFuture<Integer> f;
759	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
760	<	assertEquals(f.join(), one);
761	<	checkCompletedNormally(f, one);
762	<	}
763	<
764	<	/**
765	<	* Failing supplyAsync completes exceptionally
766	<	*/
767	<	public void testSupplyAsync3() {
768	<	FailingSupplier r = new FailingSupplier();
769	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
770	<	checkCompletedWithWrappedCFException(f);
771	<	assertTrue(r.ran);
772	<	}
773	<
774	<	// seq completion methods
775	<
776	<	/**
777	<	* thenRun result completes normally after normal completion of source
778	<	*/
779	<	public void testThenRun() {
780	<	CompletableFuture<Integer> f;
781	<	CompletableFuture<Void> g;
782	<	Noop r;
783	<
784	<	f = new CompletableFuture<>();
785	<	g = f.thenRun(r = new Noop());
786	<	f.complete(null);
787	<	checkCompletedNormally(g, null);
788	<	assertTrue(r.ran);
789	<
790	<	f = new CompletableFuture<>();
791	<	f.complete(null);
792	<	g = f.thenRun(r = new Noop());
793	<	checkCompletedNormally(g, null);
794	<	assertTrue(r.ran);
917	>	Function<Throwable, ? extends CompletionStage<T>> fn);
918		}
919
920		/**
921	<	* thenRun result completes exceptionally after exceptional
922	<	* completion of source
921	>	* exceptionally action is not invoked when source completes
922	>	* normally, and source result is propagated
923		*/
924	<	public void testThenRun2() {
925	<	CompletableFuture<Integer> f;
926	<	CompletableFuture<Void> g;
927	<	Noop r;
928	<
929	<	f = new CompletableFuture<>();
930	<	g = f.thenRun(r = new Noop());
931	<	f.completeExceptionally(new CFException());
932	<	checkCompletedWithWrappedCFException(g);
933	<	assertFalse(r.ran);
934	<
935	<	f = new CompletableFuture<>();
936	<	f.completeExceptionally(new CFException());
937	<	g = f.thenRun(r = new Noop());
815	<	checkCompletedWithWrappedCFException(g);
816	<	assertFalse(r.ran);
817	<	}
818	<
819	<	/**
820	<	* thenRun result completes exceptionally if action does
821	<	*/
822	<	public void testThenRun3() {
823	<	CompletableFuture<Integer> f;
824	<	CompletableFuture<Void> g;
825	<	FailingNoop r;
826	<
827	<	f = new CompletableFuture<>();
828	<	g = f.thenRun(r = new FailingNoop());
829	<	f.complete(null);
830	<	checkCompletedWithWrappedCFException(g);
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 AtomicInteger ran = new AtomicInteger(0);
930	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
931	>	if (!createIncomplete) assertTrue(f.complete(v1));
932	>	final CompletableFuture<Integer> g = m.exceptionally
933	>	(f, (Throwable t) -> {
934	>	ran.getAndIncrement();
935	>	throw new AssertionError("should not be called");
936	>	});
937	>	if (createIncomplete) assertTrue(f.complete(v1));
938
939	<	f = new CompletableFuture<>();
940	<	f.complete(null);
941	<	g = f.thenRun(r = new FailingNoop());
942	<	checkCompletedWithWrappedCFException(g);
836	<	}
939	>	checkCompletedNormally(g, v1);
940	>	checkCompletedNormally(f, v1);
941	>	assertEquals(0, ran.get());
942	>	}}
943
944		/**
945	<	* thenRun result completes exceptionally if source cancelled
945	>	* exceptionally action completes with function value on source
946	>	* exception
947		*/
948	<	public void testThenRun4() {
949	<	CompletableFuture<Integer> f;
950	<	CompletableFuture<Void> g;
951	<	Noop r;
952	<
953	<	f = new CompletableFuture<>();
954	<	g = f.thenRun(r = new Noop());
955	<	assertTrue(f.cancel(true));
956	<	checkCompletedWithWrappedCancellationException(g);
948	>	public void testExceptionally_exceptionalCompletion() {
949	>	for (ExecutionMode m : ExecutionMode.values())
950	>	for (boolean createIncomplete : new boolean[] { true, false })
951	>	for (Integer v1 : new Integer[] { 1, null })
952	>	{
953	>	final AtomicInteger ran = new AtomicInteger(0);
954	>	final CFException ex = new CFException();
955	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
956	>	if (!createIncomplete) f.completeExceptionally(ex);
957	>	final CompletableFuture<Integer> g = m.exceptionally
958	>	(f, (Throwable t) -> {
959	>	m.checkExecutionMode();
960	>	assertSame(t, ex);
961	>	ran.getAndIncrement();
962	>	return v1;
963	>	});
964	>	if (createIncomplete) f.completeExceptionally(ex);
965
966	<	f = new CompletableFuture<>();
967	<	assertTrue(f.cancel(true));
968	<	g = f.thenRun(r = new Noop());
854	<	checkCompletedWithWrappedCancellationException(g);
855	<	}
966	>	checkCompletedNormally(g, v1);
967	>	assertEquals(1, ran.get());
968	>	}}
969
970		/**
971	<	* thenApply result completes normally after normal completion of source
971	>	* If an "exceptionally action" throws an exception, it completes
972	>	* exceptionally with that exception
973		*/
974	<	public void testThenApply() {
975	<	CompletableFuture<Integer> f = new CompletableFuture<>();
976	<	CompletableFuture<Integer> g = f.thenApply(inc);
977	<	f.complete(one);
978	<	checkCompletedNormally(g, two);
979	<	}
974	>	public void testExceptionally_exceptionalCompletionActionFailed() {
975	>	for (ExecutionMode m : ExecutionMode.values())
976	>	for (boolean createIncomplete : new boolean[] { true, false })
977	>	{
978	>	final AtomicInteger ran = new AtomicInteger(0);
979	>	final CFException ex1 = new CFException();
980	>	final CFException ex2 = new CFException();
981	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
982	>	if (!createIncomplete) f.completeExceptionally(ex1);
983	>	final CompletableFuture<Integer> g = m.exceptionally
984	>	(f, (Throwable t) -> {
985	>	m.checkExecutionMode();
986	>	assertSame(t, ex1);
987	>	ran.getAndIncrement();
988	>	throw ex2;
989	>	});
990	>	if (createIncomplete) f.completeExceptionally(ex1);
991
992	<	/**
993	<	* thenApply result completes exceptionally after exceptional
994	<	* completion of source
995	<	*/
871	<	public void testThenApply2() {
872	<	CompletableFuture<Integer> f = new CompletableFuture<>();
873	<	CompletableFuture<Integer> g = f.thenApply(inc);
874	<	f.completeExceptionally(new CFException());
875	<	checkCompletedWithWrappedCFException(g);
876	<	}
992	>	checkCompletedWithWrappedException(g, ex2);
993	>	checkCompletedExceptionally(f, ex1);
994	>	assertEquals(1, ran.get());
995	>	}}
996
997		/**
998	<	* thenApply result completes exceptionally if action does
998	>	* whenComplete action executes on normal completion, propagating
999	>	* source result.
1000		*/
1001	<	public void testThenApply3() {
1002	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1003	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1004	<	f.complete(one);
1005	<	checkCompletedWithWrappedCFException(g);
1006	<	}
1001	>	public void testWhenComplete_normalCompletion() {
1002	>	for (ExecutionMode m : ExecutionMode.values())
1003	>	for (boolean createIncomplete : new boolean[] { true, false })
1004	>	for (Integer v1 : new Integer[] { 1, null })
1005	>	{
1006	>	final AtomicInteger ran = new AtomicInteger(0);
1007	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1008	>	if (!createIncomplete) assertTrue(f.complete(v1));
1009	>	final CompletableFuture<Integer> g = m.whenComplete
1010	>	(f,
1011	>	(Integer result, Throwable t) -> {
1012	>	m.checkExecutionMode();
1013	>	assertSame(result, v1);
1014	>	assertNull(t);
1015	>	ran.getAndIncrement();
1016	>	});
1017	>	if (createIncomplete) assertTrue(f.complete(v1));
1018
1019	<	/**
1020	<	* thenApply result completes exceptionally if source cancelled
1021	<	*/
1022	<	public void testThenApply4() {
892	<	CompletableFuture<Integer> f = new CompletableFuture<>();
893	<	CompletableFuture<Integer> g = f.thenApply(inc);
894	<	assertTrue(f.cancel(true));
895	<	checkCompletedWithWrappedCancellationException(g);
896	<	}
1019	>	checkCompletedNormally(g, v1);
1020	>	checkCompletedNormally(f, v1);
1021	>	assertEquals(1, ran.get());
1022	>	}}
1023
1024		/**
1025	<	* thenAccept result completes normally after normal completion of source
1025	>	* whenComplete action executes on exceptional completion, propagating
1026	>	* source result.
1027		*/
1028	<	public void testThenAccept() {
1029	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1030	<	IncAction r = new IncAction();
1031	<	CompletableFuture<Void> g = f.thenAccept(r);
1032	<	f.complete(one);
1033	<	checkCompletedNormally(g, null);
1034	<	assertEquals(r.value, (Integer) 2);
1035	<	}
1028	>	public void testWhenComplete_exceptionalCompletion() {
1029	>	for (ExecutionMode m : ExecutionMode.values())
1030	>	for (boolean createIncomplete : new boolean[] { true, false })
1031	>	{
1032	>	final AtomicInteger ran = new AtomicInteger(0);
1033	>	final CFException ex = new CFException();
1034	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1035	>	if (!createIncomplete) f.completeExceptionally(ex);
1036	>	final CompletableFuture<Integer> g = m.whenComplete
1037	>	(f,
1038	>	(Integer result, Throwable t) -> {
1039	>	m.checkExecutionMode();
1040	>	assertNull(result);
1041	>	assertSame(t, ex);
1042	>	ran.getAndIncrement();
1043	>	});
1044	>	if (createIncomplete) f.completeExceptionally(ex);
1045
1046	<	/**
1047	<	* thenAccept result completes exceptionally after exceptional
1048	<	* completion of source
1049	<	*/
914	<	public void testThenAccept2() {
915	<	CompletableFuture<Integer> f = new CompletableFuture<>();
916	<	IncAction r = new IncAction();
917	<	CompletableFuture<Void> g = f.thenAccept(r);
918	<	f.completeExceptionally(new CFException());
919	<	checkCompletedWithWrappedCFException(g);
920	<	}
1046	>	checkCompletedWithWrappedException(g, ex);
1047	>	checkCompletedExceptionally(f, ex);
1048	>	assertEquals(1, ran.get());
1049	>	}}
1050
1051		/**
1052	<	* thenAccept result completes exceptionally if action does
1052	>	* whenComplete action executes on cancelled source, propagating
1053	>	* CancellationException.
1054		*/
1055	<	public void testThenAccept3() {
1056	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1057	<	FailingConsumer r = new FailingConsumer();
1058	<	CompletableFuture<Void> g = f.thenAccept(r);
1059	<	f.complete(one);
1060	<	checkCompletedWithWrappedCFException(g);
1061	<	assertTrue(r.ran);
1062	<	}
1055	>	public void testWhenComplete_sourceCancelled() {
1056	>	for (ExecutionMode m : ExecutionMode.values())
1057	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1058	>	for (boolean createIncomplete : new boolean[] { true, false })
1059	>	{
1060	>	final AtomicInteger ran = new AtomicInteger(0);
1061	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1062	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1063	>	final CompletableFuture<Integer> g = m.whenComplete
1064	>	(f,
1065	>	(Integer result, Throwable t) -> {
1066	>	m.checkExecutionMode();
1067	>	assertNull(result);
1068	>	assertTrue(t instanceof CancellationException);
1069	>	ran.getAndIncrement();
1070	>	});
1071	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1072
934	–	/**
935	–	* thenAccept result completes exceptionally if source cancelled
936	–	*/
937	–	public void testThenAccept4() {
938	–	CompletableFuture<Integer> f = new CompletableFuture<>();
939	–	IncAction r = new IncAction();
940	–	CompletableFuture<Void> g = f.thenAccept(r);
941	–	assertTrue(f.cancel(true));
1073		checkCompletedWithWrappedCancellationException(g);
1074	<	}
1074	>	checkCancelled(f);
1075	>	assertEquals(1, ran.get());
1076	>	}}
1077
1078		/**
1079	<	* thenCombine result completes normally after normal completion
1080	<	* of sources
1079	>	* If a whenComplete action throws an exception when triggered by
1080	>	* a normal completion, it completes exceptionally
1081		*/
1082	<	public void testThenCombine_normalCompletion1() {
1082	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1083	>	for (boolean createIncomplete : new boolean[] { true, false })
1084		for (ExecutionMode m : ExecutionMode.values())
1085		for (Integer v1 : new Integer[] { 1, null })
1086	<	for (Integer v2 : new Integer[] { 2, null }) {
1087	<
1088	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
955	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
956	<	final SubtractFunction r = new SubtractFunction();
957	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
958	<
959	<	f.complete(v1);
960	<	checkIncomplete(h);
961	<	assertEquals(r.invocationCount, 0);
962	<	g.complete(v2);
963	<
964	<	checkCompletedNormally(h, subtract(v1, v2));
965	<	checkCompletedNormally(f, v1);
966	<	checkCompletedNormally(g, v2);
967	<	assertEquals(r.invocationCount, 1);
968	<	}
969	<	}
970	<
971	<	public void testThenCombine_normalCompletion2() {
972	<	for (ExecutionMode m : ExecutionMode.values())
973	<	for (Integer v1 : new Integer[] { 1, null })
974	<	for (Integer v2 : new Integer[] { 2, null }) {
975	<
1086	>	{
1087	>	final AtomicInteger ran = new AtomicInteger(0);
1088	>	final CFException ex = new CFException();
1089		final CompletableFuture<Integer> f = new CompletableFuture<>();
1090	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1091	<	final SubtractFunction r = new SubtractFunction();
1092	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1093	<
1094	<	g.complete(v2);
1095	<	checkIncomplete(h);
1096	<	assertEquals(r.invocationCount, 0);
1097	<	f.complete(v1);
1090	>	if (!createIncomplete) assertTrue(f.complete(v1));
1091	>	final CompletableFuture<Integer> g = m.whenComplete
1092	>	(f,
1093	>	(Integer result, Throwable t) -> {
1094	>	m.checkExecutionMode();
1095	>	assertSame(result, v1);
1096	>	assertNull(t);
1097	>	ran.getAndIncrement();
1098	>	throw ex;
1099	>	});
1100	>	if (createIncomplete) assertTrue(f.complete(v1));
1101
1102	<	checkCompletedNormally(h, subtract(v1, v2));
1102	>	checkCompletedWithWrappedException(g, ex);
1103		checkCompletedNormally(f, v1);
1104	<	checkCompletedNormally(g, v2);
1105	<	assertEquals(r.invocationCount, 1);
990	<	}
991	<	}
1104	>	assertEquals(1, ran.get());
1105	>	}}
1106
1107	<	public void testThenCombine_normalCompletion3() {
1107	>	/**
1108	>	* If a whenComplete action throws an exception when triggered by
1109	>	* a source completion that also throws an exception, the source
1110	>	* exception takes precedence (unlike handle)
1111	>	*/
1112	>	public void testWhenComplete_sourceFailedActionFailed() {
1113	>	for (boolean createIncomplete : new boolean[] { true, false })
1114		for (ExecutionMode m : ExecutionMode.values())
1115	<	for (Integer v1 : new Integer[] { 1, null })
1116	<	for (Integer v2 : new Integer[] { 2, null }) {
1117	<
1115	>	{
1116	>	final AtomicInteger ran = new AtomicInteger(0);
1117	>	final CFException ex1 = new CFException();
1118	>	final CFException ex2 = new CFException();
1119		final CompletableFuture<Integer> f = new CompletableFuture<>();
999	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1000	–	final SubtractFunction r = new SubtractFunction();
1120
1121	<	g.complete(v2);
1122	<	f.complete(v1);
1123	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1121	>	if (!createIncomplete) f.completeExceptionally(ex1);
1122	>	final CompletableFuture<Integer> g = m.whenComplete
1123	>	(f,
1124	>	(Integer result, Throwable t) -> {
1125	>	m.checkExecutionMode();
1126	>	assertSame(t, ex1);
1127	>	assertNull(result);
1128	>	ran.getAndIncrement();
1129	>	throw ex2;
1130	>	});
1131	>	if (createIncomplete) f.completeExceptionally(ex1);
1132
1133	<	checkCompletedNormally(h, subtract(v1, v2));
1134	<	checkCompletedNormally(f, v1);
1135	<	checkCompletedNormally(g, v2);
1136	<	assertEquals(r.invocationCount, 1);
1133	>	checkCompletedWithWrappedException(g, ex1);
1134	>	checkCompletedExceptionally(f, ex1);
1135	>	if (testImplementationDetails) {
1136	>	assertEquals(1, ex1.getSuppressed().length);
1137	>	assertSame(ex2, ex1.getSuppressed()[0]);
1138		}
1139	<	}
1139	>	assertEquals(1, ran.get());
1140	>	}}
1141
1142	<	public void testThenCombine_normalCompletion4() {
1142	>	/**
1143	>	* handle action completes normally with function value on normal
1144	>	* completion of source
1145	>	*/
1146	>	public void testHandle_normalCompletion() {
1147		for (ExecutionMode m : ExecutionMode.values())
1148	+	for (boolean createIncomplete : new boolean[] { true, false })
1149		for (Integer v1 : new Integer[] { 1, null })
1150	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
1150	>	{
1151		final CompletableFuture<Integer> f = new CompletableFuture<>();
1152	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1153	<	final SubtractFunction r = new SubtractFunction();
1154	<
1155	<	f.complete(v1);
1156	<	g.complete(v2);
1157	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1152	>	final AtomicInteger ran = new AtomicInteger(0);
1153	>	if (!createIncomplete) assertTrue(f.complete(v1));
1154	>	final CompletableFuture<Integer> g = m.handle
1155	>	(f,
1156	>	(Integer result, Throwable t) -> {
1157	>	m.checkExecutionMode();
1158	>	assertSame(result, v1);
1159	>	assertNull(t);
1160	>	ran.getAndIncrement();
1161	>	return inc(v1);
1162	>	});
1163	>	if (createIncomplete) assertTrue(f.complete(v1));
1164
1165	<	checkCompletedNormally(h, subtract(v1, v2));
1165	>	checkCompletedNormally(g, inc(v1));
1166		checkCompletedNormally(f, v1);
1167	<	checkCompletedNormally(g, v2);
1168	<	assertEquals(r.invocationCount, 1);
1030	<	}
1031	<	}
1167	>	assertEquals(1, ran.get());
1168	>	}}
1169
1170		/**
1171	<	* thenCombine result completes exceptionally after exceptional
1172	<	* completion of either source
1171	>	* handle action completes normally with function value on
1172	>	* exceptional completion of source
1173		*/
1174	<	public void testThenCombine_exceptionalCompletion1() {
1174	>	public void testHandle_exceptionalCompletion() {
1175		for (ExecutionMode m : ExecutionMode.values())
1176	<	for (Integer v1 : new Integer[] { 1, null }) {
1177	<
1176	>	for (boolean createIncomplete : new boolean[] { true, false })
1177	>	for (Integer v1 : new Integer[] { 1, null })
1178	>	{
1179		final CompletableFuture<Integer> f = new CompletableFuture<>();
1180	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1043	<	final SubtractFunction r = new SubtractFunction();
1044	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1180	>	final AtomicInteger ran = new AtomicInteger(0);
1181		final CFException ex = new CFException();
1182	+	if (!createIncomplete) f.completeExceptionally(ex);
1183	+	final CompletableFuture<Integer> g = m.handle
1184	+	(f,
1185	+	(Integer result, Throwable t) -> {
1186	+	m.checkExecutionMode();
1187	+	assertNull(result);
1188	+	assertSame(t, ex);
1189	+	ran.getAndIncrement();
1190	+	return v1;
1191	+	});
1192	+	if (createIncomplete) f.completeExceptionally(ex);
1193
1047	–	f.completeExceptionally(ex);
1048	–	checkIncomplete(h);
1049	–	g.complete(v1);
1050	–
1051	–	checkCompletedWithWrappedCFException(h, ex);
1052	–	checkCompletedWithWrappedCFException(f, ex);
1053	–	assertEquals(r.invocationCount, 0);
1194		checkCompletedNormally(g, v1);
1195	<	}
1196	<	}
1195	>	checkCompletedExceptionally(f, ex);
1196	>	assertEquals(1, ran.get());
1197	>	}}
1198
1199	<	public void testThenCombine_exceptionalCompletion2() {
1199	>	/**
1200	>	* handle action completes normally with function value on
1201	>	* cancelled source
1202	>	*/
1203	>	public void testHandle_sourceCancelled() {
1204		for (ExecutionMode m : ExecutionMode.values())
1205	<	for (Integer v1 : new Integer[] { 1, null }) {
1206	<
1205	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1206	>	for (boolean createIncomplete : new boolean[] { true, false })
1207	>	for (Integer v1 : new Integer[] { 1, null })
1208	>	{
1209		final CompletableFuture<Integer> f = new CompletableFuture<>();
1210	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1211	<	final SubtractFunction r = new SubtractFunction();
1212	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1213	<	final CFException ex = new CFException();
1214	<
1215	<	g.completeExceptionally(ex);
1216	<	checkIncomplete(h);
1217	<	f.complete(v1);
1210	>	final AtomicInteger ran = new AtomicInteger(0);
1211	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1212	>	final CompletableFuture<Integer> g = m.handle
1213	>	(f,
1214	>	(Integer result, Throwable t) -> {
1215	>	m.checkExecutionMode();
1216	>	assertNull(result);
1217	>	assertTrue(t instanceof CancellationException);
1218	>	ran.getAndIncrement();
1219	>	return v1;
1220	>	});
1221	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1222
1223	<	checkCompletedWithWrappedCFException(h, ex);
1224	<	checkCompletedWithWrappedCFException(g, ex);
1225	<	assertEquals(r.invocationCount, 0);
1226	<	checkCompletedNormally(f, v1);
1076	<	}
1077	<	}
1223	>	checkCompletedNormally(g, v1);
1224	>	checkCancelled(f);
1225	>	assertEquals(1, ran.get());
1226	>	}}
1227
1228	<	public void testThenCombine_exceptionalCompletion3() {
1228	>	/**
1229	>	* If a "handle action" throws an exception when triggered by
1230	>	* a normal completion, it completes exceptionally
1231	>	*/
1232	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1233		for (ExecutionMode m : ExecutionMode.values())
1234	<	for (Integer v1 : new Integer[] { 1, null }) {
1235	<
1234	>	for (boolean createIncomplete : new boolean[] { true, false })
1235	>	for (Integer v1 : new Integer[] { 1, null })
1236	>	{
1237		final CompletableFuture<Integer> f = new CompletableFuture<>();
1238	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1085	<	final SubtractFunction r = new SubtractFunction();
1238	>	final AtomicInteger ran = new AtomicInteger(0);
1239		final CFException ex = new CFException();
1240	+	if (!createIncomplete) assertTrue(f.complete(v1));
1241	+	final CompletableFuture<Integer> g = m.handle
1242	+	(f,
1243	+	(Integer result, Throwable t) -> {
1244	+	m.checkExecutionMode();
1245	+	assertSame(result, v1);
1246	+	assertNull(t);
1247	+	ran.getAndIncrement();
1248	+	throw ex;
1249	+	});
1250	+	if (createIncomplete) assertTrue(f.complete(v1));
1251
1252	<	g.completeExceptionally(ex);
1089	<	f.complete(v1);
1090	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1091	<
1092	<	checkCompletedWithWrappedCFException(h, ex);
1093	<	checkCompletedWithWrappedCFException(g, ex);
1094	<	assertEquals(r.invocationCount, 0);
1252	>	checkCompletedWithWrappedException(g, ex);
1253		checkCompletedNormally(f, v1);
1254	<	}
1255	<	}
1254	>	assertEquals(1, ran.get());
1255	>	}}
1256
1257	<	public void testThenCombine_exceptionalCompletion4() {
1257	>	/**
1258	>	* If a "handle action" throws an exception when triggered by
1259	>	* a source completion that also throws an exception, the action
1260	>	* exception takes precedence (unlike whenComplete)
1261	>	*/
1262	>	public void testHandle_sourceFailedActionFailed() {
1263	>	for (boolean createIncomplete : new boolean[] { true, false })
1264		for (ExecutionMode m : ExecutionMode.values())
1265	<	for (Integer v1 : new Integer[] { 1, null }) {
1266	<
1265	>	{
1266	>	final AtomicInteger ran = new AtomicInteger(0);
1267	>	final CFException ex1 = new CFException();
1268	>	final CFException ex2 = new CFException();
1269		final CompletableFuture<Integer> f = new CompletableFuture<>();
1104	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1105	–	final SubtractFunction r = new SubtractFunction();
1106	–	final CFException ex = new CFException();
1270
1271	<	f.completeExceptionally(ex);
1272	<	g.complete(v1);
1273	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1271	>	if (!createIncomplete) f.completeExceptionally(ex1);
1272	>	final CompletableFuture<Integer> g = m.handle
1273	>	(f,
1274	>	(Integer result, Throwable t) -> {
1275	>	m.checkExecutionMode();
1276	>	assertNull(result);
1277	>	assertSame(ex1, t);
1278	>	ran.getAndIncrement();
1279	>	throw ex2;
1280	>	});
1281	>	if (createIncomplete) f.completeExceptionally(ex1);
1282
1283	<	checkCompletedWithWrappedCFException(h, ex);
1284	<	checkCompletedWithWrappedCFException(f, ex);
1285	<	assertEquals(r.invocationCount, 0);
1286	<	checkCompletedNormally(g, v1);
1116	<	}
1117	<	}
1283	>	checkCompletedWithWrappedException(g, ex2);
1284	>	checkCompletedExceptionally(f, ex1);
1285	>	assertEquals(1, ran.get());
1286	>	}}
1287
1288		/**
1289	<	* thenCombine result completes exceptionally if action does
1289	>	* runAsync completes after running Runnable
1290		*/
1291	<	public void testThenCombine_actionFailed1() {
1292	<	for (ExecutionMode m : ExecutionMode.values())
1293	<	for (Integer v1 : new Integer[] { 1, null })
1294	<	for (Integer v2 : new Integer[] { 2, null }) {
1295	<
1296	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1297	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1298	<	final FailingBiFunction r = new FailingBiFunction();
1299	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1300	<
1301	<	f.complete(v1);
1302	<	checkIncomplete(h);
1303	<	g.complete(v2);
1291	>	public void testRunAsync_normalCompletion() {
1292	>	ExecutionMode[] executionModes = {
1293	>	ExecutionMode.ASYNC,
1294	>	ExecutionMode.EXECUTOR,
1295	>	};
1296	>	for (ExecutionMode m : executionModes)
1297	>	{
1298	>	final Noop r = new Noop(m);
1299	>	final CompletableFuture<Void> f = m.runAsync(r);
1300	>	assertNull(f.join());
1301	>	checkCompletedNormally(f, null);
1302	>	r.assertInvoked();
1303	>	}}
1304
1305	<	checkCompletedWithWrappedCFException(h);
1306	<	checkCompletedNormally(f, v1);
1307	<	checkCompletedNormally(g, v2);
1305	>	/**
1306	>	* failing runAsync completes exceptionally after running Runnable
1307	>	*/
1308	>	public void testRunAsync_exceptionalCompletion() {
1309	>	ExecutionMode[] executionModes = {
1310	>	ExecutionMode.ASYNC,
1311	>	ExecutionMode.EXECUTOR,
1312	>	};
1313	>	for (ExecutionMode m : executionModes)
1314	>	{
1315	>	final FailingRunnable r = new FailingRunnable(m);
1316	>	final CompletableFuture<Void> f = m.runAsync(r);
1317	>	checkCompletedWithWrappedException(f, r.ex);
1318	>	r.assertInvoked();
1319	>	}}
1320	>
1321	>	@SuppressWarnings("FutureReturnValueIgnored")
1322	>	public void testRunAsync_rejectingExecutor() {
1323	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1324	>	try {
1325	>	CompletableFuture.runAsync(() -> {}, e);
1326	>	shouldThrow();
1327	>	} catch (Throwable t) {
1328	>	assertSame(e.ex, t);
1329		}
1330	+
1331	+	assertEquals(1, e.count.get());
1332		}
1333
1334	<	public void testThenCombine_actionFailed2() {
1335	<	for (ExecutionMode m : ExecutionMode.values())
1334	>	/**
1335	>	* supplyAsync completes with result of supplier
1336	>	*/
1337	>	public void testSupplyAsync_normalCompletion() {
1338	>	ExecutionMode[] executionModes = {
1339	>	ExecutionMode.ASYNC,
1340	>	ExecutionMode.EXECUTOR,
1341	>	};
1342	>	for (ExecutionMode m : executionModes)
1343		for (Integer v1 : new Integer[] { 1, null })
1344	<	for (Integer v2 : new Integer[] { 2, null }) {
1345	<
1346	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1347	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1149	<	final FailingBiFunction r = new FailingBiFunction();
1150	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1151	<
1152	<	g.complete(v2);
1153	<	checkIncomplete(h);
1154	<	f.complete(v1);
1155	<
1156	<	checkCompletedWithWrappedCFException(h);
1344	>	{
1345	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1346	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1347	>	assertSame(v1, f.join());
1348		checkCompletedNormally(f, v1);
1349	<	checkCompletedNormally(g, v2);
1350	<	}
1160	<	}
1349	>	r.assertInvoked();
1350	>	}}
1351
1352		/**
1353	<	* thenCombine result completes exceptionally if either source cancelled
1353	>	* Failing supplyAsync completes exceptionally
1354		*/
1355	<	public void testThenCombine_sourceCancelled1() {
1356	<	for (ExecutionMode m : ExecutionMode.values())
1357	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1358	<	for (Integer v1 : new Integer[] { 1, null }) {
1359	<
1360	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1361	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1362	<	final SubtractFunction r = new SubtractFunction();
1363	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1364	<
1365	<	assertTrue(f.cancel(mayInterruptIfRunning));
1366	<	checkIncomplete(h);
1367	<	g.complete(v1);
1368	<
1369	<	checkCompletedWithWrappedCancellationException(h);
1370	<	checkCancelled(f);
1371	<	assertEquals(r.invocationCount, 0);
1372	<	checkCompletedNormally(g, v1);
1355	>	public void testSupplyAsync_exceptionalCompletion() {
1356	>	ExecutionMode[] executionModes = {
1357	>	ExecutionMode.ASYNC,
1358	>	ExecutionMode.EXECUTOR,
1359	>	};
1360	>	for (ExecutionMode m : executionModes)
1361	>	{
1362	>	FailingSupplier r = new FailingSupplier(m);
1363	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1364	>	checkCompletedWithWrappedException(f, r.ex);
1365	>	r.assertInvoked();
1366	>	}}
1367	>
1368	>	@SuppressWarnings("FutureReturnValueIgnored")
1369	>	public void testSupplyAsync_rejectingExecutor() {
1370	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1371	>	try {
1372	>	CompletableFuture.supplyAsync(() -> null, e);
1373	>	shouldThrow();
1374	>	} catch (Throwable t) {
1375	>	assertSame(e.ex, t);
1376		}
1377	+
1378	+	assertEquals(1, e.count.get());
1379		}
1380
1381	<	public void testThenCombine_sourceCancelled2() {
1187	<	for (ExecutionMode m : ExecutionMode.values())
1188	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1189	<	for (Integer v1 : new Integer[] { 1, null }) {
1381	>	// seq completion methods
1382
1383	+	/**
1384	+	* thenRun result completes normally after normal completion of source
1385	+	*/
1386	+	public void testThenRun_normalCompletion() {
1387	+	for (ExecutionMode m : ExecutionMode.values())
1388	+	for (Integer v1 : new Integer[] { 1, null })
1389	+	{
1390		final CompletableFuture<Integer> f = new CompletableFuture<>();
1391	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1392	<	final SubtractFunction r = new SubtractFunction();
1194	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1195	<
1196	<	assertTrue(g.cancel(mayInterruptIfRunning));
1197	<	checkIncomplete(h);
1198	<	f.complete(v1);
1391	>	final Noop[] rs = new Noop[6];
1392	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1393
1394	<	checkCompletedWithWrappedCancellationException(h);
1395	<	checkCancelled(g);
1396	<	assertEquals(r.invocationCount, 0);
1394	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1395	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1396	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1397	>	checkIncomplete(h0);
1398	>	checkIncomplete(h1);
1399	>	checkIncomplete(h2);
1400	>	assertTrue(f.complete(v1));
1401	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1402	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1403	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1404	>
1405	>	checkCompletedNormally(h0, null);
1406	>	checkCompletedNormally(h1, null);
1407	>	checkCompletedNormally(h2, null);
1408	>	checkCompletedNormally(h3, null);
1409	>	checkCompletedNormally(h4, null);
1410	>	checkCompletedNormally(h5, null);
1411		checkCompletedNormally(f, v1);
1412	<	}
1413	<	}
1412	>	for (Noop r : rs) r.assertInvoked();
1413	>	}}
1414
1415	<	public void testThenCombine_sourceCancelled3() {
1415	>	/**
1416	>	* thenRun result completes exceptionally after exceptional
1417	>	* completion of source
1418	>	*/
1419	>	public void testThenRun_exceptionalCompletion() {
1420		for (ExecutionMode m : ExecutionMode.values())
1421	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1422	<	for (Integer v1 : new Integer[] { 1, null }) {
1211	<
1421	>	{
1422	>	final CFException ex = new CFException();
1423		final CompletableFuture<Integer> f = new CompletableFuture<>();
1424	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1425	<	final SubtractFunction r = new SubtractFunction();
1215	<
1216	<	assertTrue(g.cancel(mayInterruptIfRunning));
1217	<	f.complete(v1);
1218	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1424	>	final Noop[] rs = new Noop[6];
1425	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1426
1427	<	checkCompletedWithWrappedCancellationException(h);
1428	<	checkCancelled(g);
1429	<	assertEquals(r.invocationCount, 0);
1430	<	checkCompletedNormally(f, v1);
1431	<	}
1432	<	}
1427	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1428	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1429	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1430	>	checkIncomplete(h0);
1431	>	checkIncomplete(h1);
1432	>	checkIncomplete(h2);
1433	>	assertTrue(f.completeExceptionally(ex));
1434	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1435	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1436	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1437	>
1438	>	checkCompletedWithWrappedException(h0, ex);
1439	>	checkCompletedWithWrappedException(h1, ex);
1440	>	checkCompletedWithWrappedException(h2, ex);
1441	>	checkCompletedWithWrappedException(h3, ex);
1442	>	checkCompletedWithWrappedException(h4, ex);
1443	>	checkCompletedWithWrappedException(h5, ex);
1444	>	checkCompletedExceptionally(f, ex);
1445	>	for (Noop r : rs) r.assertNotInvoked();
1446	>	}}
1447
1448	<	public void testThenCombine_sourceCancelled4() {
1448	>	/**
1449	>	* thenRun result completes exceptionally if source cancelled
1450	>	*/
1451	>	public void testThenRun_sourceCancelled() {
1452		for (ExecutionMode m : ExecutionMode.values())
1453		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1454	<	for (Integer v1 : new Integer[] { 1, null }) {
1231	<
1454	>	{
1455		final CompletableFuture<Integer> f = new CompletableFuture<>();
1456	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1457	<	final SubtractFunction r = new SubtractFunction();
1456	>	final Noop[] rs = new Noop[6];
1457	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1458
1459	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1460	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1461	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1462	+	checkIncomplete(h0);
1463	+	checkIncomplete(h1);
1464	+	checkIncomplete(h2);
1465		assertTrue(f.cancel(mayInterruptIfRunning));
1466	<	g.complete(v1);
1467	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1468	<
1469	<	checkCompletedWithWrappedCancellationException(h);
1466	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1467	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1468	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1469	>
1470	>	checkCompletedWithWrappedCancellationException(h0);
1471	>	checkCompletedWithWrappedCancellationException(h1);
1472	>	checkCompletedWithWrappedCancellationException(h2);
1473	>	checkCompletedWithWrappedCancellationException(h3);
1474	>	checkCompletedWithWrappedCancellationException(h4);
1475	>	checkCompletedWithWrappedCancellationException(h5);
1476		checkCancelled(f);
1477	<	assertEquals(r.invocationCount, 0);
1478	<	checkCompletedNormally(g, v1);
1244	<	}
1245	<	}
1477	>	for (Noop r : rs) r.assertNotInvoked();
1478	>	}}
1479
1480		/**
1481	<	* thenAcceptBoth result completes normally after normal
1249	<	* completion of sources
1481	>	* thenRun result completes exceptionally if action does
1482		*/
1483	<	public void testThenAcceptBoth_normalCompletion1() {
1252	<	for (ExecutionMode m : ExecutionMode.values())
1253	<	for (Integer v1 : new Integer[] { 1, null })
1254	<	for (Integer v2 : new Integer[] { 2, null }) {
1255	<
1256	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1257	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1258	<	final SubtractAction r = new SubtractAction();
1259	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1260	<
1261	<	f.complete(v1);
1262	<	checkIncomplete(h);
1263	<	assertFalse(r.ran());
1264	<	g.complete(v2);
1265	<
1266	<	checkCompletedNormally(h, null);
1267	<	assertEquals(r.value, subtract(v1, v2));
1268	<	checkCompletedNormally(f, v1);
1269	<	checkCompletedNormally(g, v2);
1270	<	}
1271	<	}
1272	<
1273	<	public void testThenAcceptBoth_normalCompletion2() {
1483	>	public void testThenRun_actionFailed() {
1484		for (ExecutionMode m : ExecutionMode.values())
1485		for (Integer v1 : new Integer[] { 1, null })
1486	<	for (Integer v2 : new Integer[] { 2, null }) {
1277	<
1486	>	{
1487		final CompletableFuture<Integer> f = new CompletableFuture<>();
1488	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1489	<	final SubtractAction r = new SubtractAction();
1281	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1488	>	final FailingRunnable[] rs = new FailingRunnable[6];
1489	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1490
1491	<	g.complete(v2);
1492	<	checkIncomplete(h);
1493	<	assertFalse(r.ran());
1494	<	f.complete(v1);
1495	<
1496	<	checkCompletedNormally(h, null);
1497	<	assertEquals(r.value, subtract(v1, v2));
1491	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1492	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1493	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1494	>	assertTrue(f.complete(v1));
1495	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1496	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1497	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1498	>
1499	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1500	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1501	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1502	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1503	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1504	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1505		checkCompletedNormally(f, v1);
1506	<	checkCompletedNormally(g, v2);
1292	<	}
1293	<	}
1506	>	}}
1507
1508	<	public void testThenAcceptBoth_normalCompletion3() {
1509	<	for (ExecutionMode m : ExecutionMode.values())
1510	<	for (Integer v1 : new Integer[] { 1, null })
1511	<	for (Integer v2 : new Integer[] { 2, null }) {
1299	<
1300	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1301	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1302	<	final SubtractAction r = new SubtractAction();
1303	<
1304	<	g.complete(v2);
1305	<	f.complete(v1);
1306	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1307	<
1308	<	checkCompletedNormally(h, null);
1309	<	assertEquals(r.value, subtract(v1, v2));
1310	<	checkCompletedNormally(f, v1);
1311	<	checkCompletedNormally(g, v2);
1312	<	}
1313	<	}
1314	<
1315	<	public void testThenAcceptBoth_normalCompletion4() {
1508	>	/**
1509	>	* thenApply result completes normally after normal completion of source
1510	>	*/
1511	>	public void testThenApply_normalCompletion() {
1512		for (ExecutionMode m : ExecutionMode.values())
1513		for (Integer v1 : new Integer[] { 1, null })
1514	<	for (Integer v2 : new Integer[] { 2, null }) {
1319	<
1514	>	{
1515		final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1517	<	final SubtractAction r = new SubtractAction();
1516	>	final IncFunction[] rs = new IncFunction[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1518
1519	<	f.complete(v1);
1520	<	g.complete(v2);
1521	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1522	<
1523	<	checkCompletedNormally(h, null);
1524	<	assertEquals(r.value, subtract(v1, v2));
1519	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1520	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1521	>	checkIncomplete(h0);
1522	>	checkIncomplete(h1);
1523	>	assertTrue(f.complete(v1));
1524	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1525	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1526	>
1527	>	checkCompletedNormally(h0, inc(v1));
1528	>	checkCompletedNormally(h1, inc(v1));
1529	>	checkCompletedNormally(h2, inc(v1));
1530	>	checkCompletedNormally(h3, inc(v1));
1531		checkCompletedNormally(f, v1);
1532	<	checkCompletedNormally(g, v2);
1533	<	}
1333	<	}
1532	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1533	>	}}
1534
1535		/**
1536	<	* thenAcceptBoth result completes exceptionally after exceptional
1537	<	* completion of either source
1536	>	* thenApply result completes exceptionally after exceptional
1537	>	* completion of source
1538		*/
1539	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1539	>	public void testThenApply_exceptionalCompletion() {
1540		for (ExecutionMode m : ExecutionMode.values())
1541	<	for (Integer v1 : new Integer[] { 1, null }) {
1342	<
1343	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1344	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1345	<	final SubtractAction r = new SubtractAction();
1346	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1541	>	{
1542		final CFException ex = new CFException();
1348	–
1349	–	f.completeExceptionally(ex);
1350	–	checkIncomplete(h);
1351	–	g.complete(v1);
1352	–
1353	–	checkCompletedWithWrappedCFException(h, ex);
1354	–	checkCompletedWithWrappedCFException(f, ex);
1355	–	assertEquals(r.invocationCount, 0);
1356	–	checkCompletedNormally(g, v1);
1357	–	}
1358	–	}
1359	–
1360	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1361	–	for (ExecutionMode m : ExecutionMode.values())
1362	–	for (Integer v1 : new Integer[] { 1, null }) {
1363	–
1543		final CompletableFuture<Integer> f = new CompletableFuture<>();
1544	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1545	<	final SubtractAction r = new SubtractAction();
1367	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1368	<	final CFException ex = new CFException();
1544	>	final IncFunction[] rs = new IncFunction[4];
1545	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1546
1547	<	g.completeExceptionally(ex);
1548	<	checkIncomplete(h);
1549	<	f.complete(v1);
1547	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1548	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1549	>	assertTrue(f.completeExceptionally(ex));
1550	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1551	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1552	>
1553	>	checkCompletedWithWrappedException(h0, ex);
1554	>	checkCompletedWithWrappedException(h1, ex);
1555	>	checkCompletedWithWrappedException(h2, ex);
1556	>	checkCompletedWithWrappedException(h3, ex);
1557	>	checkCompletedExceptionally(f, ex);
1558	>	for (IncFunction r : rs) r.assertNotInvoked();
1559	>	}}
1560
1561	<	checkCompletedWithWrappedCFException(h, ex);
1562	<	checkCompletedWithWrappedCFException(g, ex);
1563	<	assertEquals(r.invocationCount, 0);
1564	<	checkCompletedNormally(f, v1);
1378	<	}
1379	<	}
1380	<
1381	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1561	>	/**
1562	>	* thenApply result completes exceptionally if source cancelled
1563	>	*/
1564	>	public void testThenApply_sourceCancelled() {
1565		for (ExecutionMode m : ExecutionMode.values())
1566	<	for (Integer v1 : new Integer[] { 1, null }) {
1567	<
1566	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1567	>	{
1568		final CompletableFuture<Integer> f = new CompletableFuture<>();
1569	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1570	<	final SubtractAction r = new SubtractAction();
1388	<	final CFException ex = new CFException();
1569	>	final IncFunction[] rs = new IncFunction[4];
1570	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1571
1572	<	g.completeExceptionally(ex);
1573	<	f.complete(v1);
1574	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1572	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1573	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1574	>	assertTrue(f.cancel(mayInterruptIfRunning));
1575	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1576	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1577
1578	<	checkCompletedWithWrappedCFException(h, ex);
1579	<	checkCompletedWithWrappedCFException(g, ex);
1580	<	assertEquals(r.invocationCount, 0);
1581	<	checkCompletedNormally(f, v1);
1582	<	}
1583	<	}
1578	>	checkCompletedWithWrappedCancellationException(h0);
1579	>	checkCompletedWithWrappedCancellationException(h1);
1580	>	checkCompletedWithWrappedCancellationException(h2);
1581	>	checkCompletedWithWrappedCancellationException(h3);
1582	>	checkCancelled(f);
1583	>	for (IncFunction r : rs) r.assertNotInvoked();
1584	>	}}
1585
1586	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1586	>	/**
1587	>	* thenApply result completes exceptionally if action does
1588	>	*/
1589	>	public void testThenApply_actionFailed() {
1590		for (ExecutionMode m : ExecutionMode.values())
1591	<	for (Integer v1 : new Integer[] { 1, null }) {
1592	<
1591	>	for (Integer v1 : new Integer[] { 1, null })
1592	>	{
1593		final CompletableFuture<Integer> f = new CompletableFuture<>();
1594	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1595	<	final SubtractAction r = new SubtractAction();
1408	<	final CFException ex = new CFException();
1594	>	final FailingFunction[] rs = new FailingFunction[4];
1595	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1596
1597	<	f.completeExceptionally(ex);
1598	<	g.complete(v1);
1599	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1600	<
1601	<	checkCompletedWithWrappedCFException(h, ex);
1602	<	checkCompletedWithWrappedCFException(f, ex);
1603	<	assertFalse(r.ran());
1604	<	checkCompletedNormally(g, v1);
1605	<	}
1606	<	}
1597	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1598	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1599	>	assertTrue(f.complete(v1));
1600	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1601	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1602	>
1603	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1604	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1605	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1606	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1607	>	checkCompletedNormally(f, v1);
1608	>	}}
1609
1610		/**
1611	<	* thenAcceptBoth result completes exceptionally if action does
1611	>	* thenAccept result completes normally after normal completion of source
1612		*/
1613	<	public void testThenAcceptBoth_actionFailed1() {
1613	>	public void testThenAccept_normalCompletion() {
1614		for (ExecutionMode m : ExecutionMode.values())
1615		for (Integer v1 : new Integer[] { 1, null })
1616	<	for (Integer v2 : new Integer[] { 2, null }) {
1428	<
1616	>	{
1617		final CompletableFuture<Integer> f = new CompletableFuture<>();
1618	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1619	<	final FailingBiConsumer r = new FailingBiConsumer();
1432	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1433	<
1434	<	f.complete(v1);
1435	<	checkIncomplete(h);
1436	<	g.complete(v2);
1618	>	final NoopConsumer[] rs = new NoopConsumer[4];
1619	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1620
1621	<	checkCompletedWithWrappedCFException(h);
1621	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1622	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1623	>	checkIncomplete(h0);
1624	>	checkIncomplete(h1);
1625	>	assertTrue(f.complete(v1));
1626	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1627	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1628	>
1629	>	checkCompletedNormally(h0, null);
1630	>	checkCompletedNormally(h1, null);
1631	>	checkCompletedNormally(h2, null);
1632	>	checkCompletedNormally(h3, null);
1633		checkCompletedNormally(f, v1);
1634	<	checkCompletedNormally(g, v2);
1635	<	}
1442	<	}
1634	>	for (NoopConsumer r : rs) r.assertValue(v1);
1635	>	}}
1636
1637	<	public void testThenAcceptBoth_actionFailed2() {
1637	>	/**
1638	>	* thenAccept result completes exceptionally after exceptional
1639	>	* completion of source
1640	>	*/
1641	>	public void testThenAccept_exceptionalCompletion() {
1642		for (ExecutionMode m : ExecutionMode.values())
1643	<	for (Integer v1 : new Integer[] { 1, null })
1644	<	for (Integer v2 : new Integer[] { 2, null }) {
1448	<
1643	>	{
1644	>	final CFException ex = new CFException();
1645		final CompletableFuture<Integer> f = new CompletableFuture<>();
1646	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1647	<	final FailingBiConsumer r = new FailingBiConsumer();
1452	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1453	<
1454	<	g.complete(v2);
1455	<	checkIncomplete(h);
1456	<	f.complete(v1);
1646	>	final NoopConsumer[] rs = new NoopConsumer[4];
1647	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1648
1649	<	checkCompletedWithWrappedCFException(h);
1650	<	checkCompletedNormally(f, v1);
1651	<	checkCompletedNormally(g, v2);
1652	<	}
1653	<	}
1649	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1650	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1651	>	assertTrue(f.completeExceptionally(ex));
1652	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1653	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1654	>
1655	>	checkCompletedWithWrappedException(h0, ex);
1656	>	checkCompletedWithWrappedException(h1, ex);
1657	>	checkCompletedWithWrappedException(h2, ex);
1658	>	checkCompletedWithWrappedException(h3, ex);
1659	>	checkCompletedExceptionally(f, ex);
1660	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1661	>	}}
1662
1663		/**
1664	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1664	>	* thenAccept result completes exceptionally if source cancelled
1665		*/
1666	<	public void testThenAcceptBoth_sourceCancelled1() {
1666	>	public void testThenAccept_sourceCancelled() {
1667		for (ExecutionMode m : ExecutionMode.values())
1668		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1669	<	for (Integer v1 : new Integer[] { 1, null }) {
1471	<
1669	>	{
1670		final CompletableFuture<Integer> f = new CompletableFuture<>();
1671	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1672	<	final SubtractAction r = new SubtractAction();
1475	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1671	>	final NoopConsumer[] rs = new NoopConsumer[4];
1672	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1673
1674	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1675	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1676		assertTrue(f.cancel(mayInterruptIfRunning));
1677	<	checkIncomplete(h);
1678	<	g.complete(v1);
1677	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1678	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1679
1680	<	checkCompletedWithWrappedCancellationException(h);
1680	>	checkCompletedWithWrappedCancellationException(h0);
1681	>	checkCompletedWithWrappedCancellationException(h1);
1682	>	checkCompletedWithWrappedCancellationException(h2);
1683	>	checkCompletedWithWrappedCancellationException(h3);
1684		checkCancelled(f);
1685	<	assertEquals(r.invocationCount, 0);
1686	<	checkCompletedNormally(g, v1);
1485	<	}
1486	<	}
1685	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1686	>	}}
1687
1688	<	public void testThenAcceptBoth_sourceCancelled2() {
1688	>	/**
1689	>	* thenAccept result completes exceptionally if action does
1690	>	*/
1691	>	public void testThenAccept_actionFailed() {
1692		for (ExecutionMode m : ExecutionMode.values())
1693	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1694	<	for (Integer v1 : new Integer[] { 1, null }) {
1492	<
1693	>	for (Integer v1 : new Integer[] { 1, null })
1694	>	{
1695		final CompletableFuture<Integer> f = new CompletableFuture<>();
1696	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1697	<	final SubtractAction r = new SubtractAction();
1496	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1497	<
1498	<	assertTrue(g.cancel(mayInterruptIfRunning));
1499	<	checkIncomplete(h);
1500	<	f.complete(v1);
1696	>	final FailingConsumer[] rs = new FailingConsumer[4];
1697	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1698
1699	<	checkCompletedWithWrappedCancellationException(h);
1700	<	checkCancelled(g);
1701	<	assertEquals(r.invocationCount, 0);
1699	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1700	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1701	>	assertTrue(f.complete(v1));
1702	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1703	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1704	>
1705	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1706	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1707	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1708	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1709		checkCompletedNormally(f, v1);
1710	<	}
1507	<	}
1710	>	}}
1711
1712	<	public void testThenAcceptBoth_sourceCancelled3() {
1712	>	/**
1713	>	* thenCombine result completes normally after normal completion
1714	>	* of sources
1715	>	*/
1716	>	public void testThenCombine_normalCompletion() {
1717		for (ExecutionMode m : ExecutionMode.values())
1718	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1719	<	for (Integer v1 : new Integer[] { 1, null }) {
1720	<
1718	>	for (boolean fFirst : new boolean[] { true, false })
1719	>	for (Integer v1 : new Integer[] { 1, null })
1720	>	for (Integer v2 : new Integer[] { 2, null })
1721	>	{
1722		final CompletableFuture<Integer> f = new CompletableFuture<>();
1723		final CompletableFuture<Integer> g = new CompletableFuture<>();
1724	<	final SubtractAction r = new SubtractAction();
1724	>	final SubtractFunction[] rs = new SubtractFunction[6];
1725	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1726
1727	<	assertTrue(g.cancel(mayInterruptIfRunning));
1728	<	f.complete(v1);
1729	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1727	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1728	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1729	>	final Integer w1 =  fFirst ? v1 : v2;
1730	>	final Integer w2 = !fFirst ? v1 : v2;
1731	>
1732	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1733	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1734	>	assertTrue(fst.complete(w1));
1735	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1736	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1737	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1738	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1739	>	checkCompletedNormally(h1, subtract(w1, w1));
1740	>	checkCompletedNormally(h3, subtract(w1, w1));
1741	>	rs[1].assertValue(subtract(w1, w1));
1742	>	rs[3].assertValue(subtract(w1, w1));
1743	>	assertTrue(snd.complete(w2));
1744	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1745	>
1746	>	checkCompletedNormally(h0, subtract(v1, v2));
1747	>	checkCompletedNormally(h2, subtract(v1, v2));
1748	>	checkCompletedNormally(h4, subtract(v1, v2));
1749	>	rs[0].assertValue(subtract(v1, v2));
1750	>	rs[2].assertValue(subtract(v1, v2));
1751	>	rs[4].assertValue(subtract(v1, v2));
1752
1522	–	checkCompletedWithWrappedCancellationException(h);
1523	–	checkCancelled(g);
1524	–	assertEquals(r.invocationCount, 0);
1753		checkCompletedNormally(f, v1);
1754	<	}
1755	<	}
1528	<
1529	<	public void testThenAcceptBoth_sourceCancelled4() {
1530	<	for (ExecutionMode m : ExecutionMode.values())
1531	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1532	<	for (Integer v1 : new Integer[] { 1, null }) {
1533	<
1534	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1535	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1536	<	final SubtractAction r = new SubtractAction();
1537	<
1538	<	assertTrue(f.cancel(mayInterruptIfRunning));
1539	<	g.complete(v1);
1540	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1541	<
1542	<	checkCompletedWithWrappedCancellationException(h);
1543	<	checkCancelled(f);
1544	<	assertEquals(r.invocationCount, 0);
1545	<	checkCompletedNormally(g, v1);
1546	<	}
1547	<	}
1754	>	checkCompletedNormally(g, v2);
1755	>	}}
1756
1757		/**
1758	<	* runAfterBoth result completes normally after normal
1759	<	* completion of sources
1758	>	* thenCombine result completes exceptionally after exceptional
1759	>	* completion of either source
1760		*/
1761	<	public void testRunAfterBoth_normalCompletion1() {
1761	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1762		for (ExecutionMode m : ExecutionMode.values())
1763	+	for (boolean fFirst : new boolean[] { true, false })
1764	+	for (boolean failFirst : new boolean[] { true, false })
1765		for (Integer v1 : new Integer[] { 1, null })
1766	<	for (Integer v2 : new Integer[] { 2, null }) {
1557	<
1766	>	{
1767		final CompletableFuture<Integer> f = new CompletableFuture<>();
1768		final CompletableFuture<Integer> g = new CompletableFuture<>();
1769	<	final Noop r = new Noop();
1770	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1771	<
1772	<	f.complete(v1);
1773	<	checkIncomplete(h);
1774	<	assertFalse(r.ran);
1775	<	g.complete(v2);
1776	<
1777	<	checkCompletedNormally(h, null);
1778	<	assertEquals(r.invocationCount, 1);
1779	<	checkCompletedNormally(f, v1);
1780	<	checkCompletedNormally(g, v2);
1781	<	}
1782	<	}
1769	>	final CFException ex = new CFException();
1770	>	final SubtractFunction r1 = new SubtractFunction(m);
1771	>	final SubtractFunction r2 = new SubtractFunction(m);
1772	>	final SubtractFunction r3 = new SubtractFunction(m);
1773	>
1774	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1775	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1776	>	final Callable<Boolean> complete1 = failFirst ?
1777	>	() -> fst.completeExceptionally(ex) :
1778	>	() -> fst.complete(v1);
1779	>	final Callable<Boolean> complete2 = failFirst ?
1780	>	() -> snd.complete(v1) :
1781	>	() -> snd.completeExceptionally(ex);
1782	>
1783	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1784	>	assertTrue(complete1.call());
1785	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1786	>	checkIncomplete(h1);
1787	>	checkIncomplete(h2);
1788	>	assertTrue(complete2.call());
1789	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1790	>
1791	>	checkCompletedWithWrappedException(h1, ex);
1792	>	checkCompletedWithWrappedException(h2, ex);
1793	>	checkCompletedWithWrappedException(h3, ex);
1794	>	r1.assertNotInvoked();
1795	>	r2.assertNotInvoked();
1796	>	r3.assertNotInvoked();
1797	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1798	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1799	>	}}
1800
1801	<	public void testRunAfterBoth_normalCompletion2() {
1801	>	/**
1802	>	* thenCombine result completes exceptionally if either source cancelled
1803	>	*/
1804	>	public void testThenCombine_sourceCancelled() throws Throwable {
1805		for (ExecutionMode m : ExecutionMode.values())
1806	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1807	+	for (boolean fFirst : new boolean[] { true, false })
1808	+	for (boolean failFirst : new boolean[] { true, false })
1809		for (Integer v1 : new Integer[] { 1, null })
1810	<	for (Integer v2 : new Integer[] { 2, null }) {
1579	<
1810	>	{
1811		final CompletableFuture<Integer> f = new CompletableFuture<>();
1812		final CompletableFuture<Integer> g = new CompletableFuture<>();
1813	<	final Noop r = new Noop();
1814	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1815	<
1816	<	g.complete(v2);
1817	<	checkIncomplete(h);
1818	<	assertFalse(r.ran);
1819	<	f.complete(v1);
1813	>	final SubtractFunction r1 = new SubtractFunction(m);
1814	>	final SubtractFunction r2 = new SubtractFunction(m);
1815	>	final SubtractFunction r3 = new SubtractFunction(m);
1816	>
1817	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1818	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1819	>	final Callable<Boolean> complete1 = failFirst ?
1820	>	() -> fst.cancel(mayInterruptIfRunning) :
1821	>	() -> fst.complete(v1);
1822	>	final Callable<Boolean> complete2 = failFirst ?
1823	>	() -> snd.complete(v1) :
1824	>	() -> snd.cancel(mayInterruptIfRunning);
1825	>
1826	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1827	>	assertTrue(complete1.call());
1828	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1829	>	checkIncomplete(h1);
1830	>	checkIncomplete(h2);
1831	>	assertTrue(complete2.call());
1832	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1833	>
1834	>	checkCompletedWithWrappedCancellationException(h1);
1835	>	checkCompletedWithWrappedCancellationException(h2);
1836	>	checkCompletedWithWrappedCancellationException(h3);
1837	>	r1.assertNotInvoked();
1838	>	r2.assertNotInvoked();
1839	>	r3.assertNotInvoked();
1840	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1841	>	checkCancelled(failFirst ? fst : snd);
1842	>	}}
1843
1844	<	checkCompletedNormally(h, null);
1845	<	assertEquals(r.invocationCount, 1);
1846	<	checkCompletedNormally(f, v1);
1847	<	checkCompletedNormally(g, v2);
1594	<	}
1595	<	}
1596	<
1597	<	public void testRunAfterBoth_normalCompletion3() {
1844	>	/**
1845	>	* thenCombine result completes exceptionally if action does
1846	>	*/
1847	>	public void testThenCombine_actionFailed() {
1848		for (ExecutionMode m : ExecutionMode.values())
1849	+	for (boolean fFirst : new boolean[] { true, false })
1850		for (Integer v1 : new Integer[] { 1, null })
1851	<	for (Integer v2 : new Integer[] { 2, null }) {
1852	<
1851	>	for (Integer v2 : new Integer[] { 2, null })
1852	>	{
1853		final CompletableFuture<Integer> f = new CompletableFuture<>();
1854		final CompletableFuture<Integer> g = new CompletableFuture<>();
1855	<	final Noop r = new Noop();
1856	<
1857	<	g.complete(v2);
1858	<	f.complete(v1);
1859	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1860	<
1861	<	checkCompletedNormally(h, null);
1862	<	assertTrue(r.ran);
1855	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1856	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1857	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1858	>
1859	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1860	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1861	>	final Integer w1 =  fFirst ? v1 : v2;
1862	>	final Integer w2 = !fFirst ? v1 : v2;
1863	>
1864	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1865	>	assertTrue(fst.complete(w1));
1866	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1867	>	assertTrue(snd.complete(w2));
1868	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1869	>
1870	>	checkCompletedWithWrappedException(h1, r1.ex);
1871	>	checkCompletedWithWrappedException(h2, r2.ex);
1872	>	checkCompletedWithWrappedException(h3, r3.ex);
1873	>	r1.assertInvoked();
1874	>	r2.assertInvoked();
1875	>	r3.assertInvoked();
1876		checkCompletedNormally(f, v1);
1877		checkCompletedNormally(g, v2);
1878	<	}
1615	<	}
1878	>	}}
1879
1880	<	public void testRunAfterBoth_normalCompletion4() {
1880	>	/**
1881	>	* thenAcceptBoth result completes normally after normal
1882	>	* completion of sources
1883	>	*/
1884	>	public void testThenAcceptBoth_normalCompletion() {
1885		for (ExecutionMode m : ExecutionMode.values())
1886	+	for (boolean fFirst : new boolean[] { true, false })
1887		for (Integer v1 : new Integer[] { 1, null })
1888	<	for (Integer v2 : new Integer[] { 2, null }) {
1889	<
1888	>	for (Integer v2 : new Integer[] { 2, null })
1889	>	{
1890		final CompletableFuture<Integer> f = new CompletableFuture<>();
1891		final CompletableFuture<Integer> g = new CompletableFuture<>();
1892	<	final Noop r = new Noop();
1893	<
1894	<	f.complete(v1);
1895	<	g.complete(v2);
1896	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1897	<
1898	<	checkCompletedNormally(h, null);
1899	<	assertEquals(r.invocationCount, 1);
1892	>	final SubtractAction r1 = new SubtractAction(m);
1893	>	final SubtractAction r2 = new SubtractAction(m);
1894	>	final SubtractAction r3 = new SubtractAction(m);
1895	>
1896	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1897	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1898	>	final Integer w1 =  fFirst ? v1 : v2;
1899	>	final Integer w2 = !fFirst ? v1 : v2;
1900	>
1901	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1902	>	assertTrue(fst.complete(w1));
1903	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1904	>	checkIncomplete(h1);
1905	>	checkIncomplete(h2);
1906	>	r1.assertNotInvoked();
1907	>	r2.assertNotInvoked();
1908	>	assertTrue(snd.complete(w2));
1909	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1910	>
1911	>	checkCompletedNormally(h1, null);
1912	>	checkCompletedNormally(h2, null);
1913	>	checkCompletedNormally(h3, null);
1914	>	r1.assertValue(subtract(v1, v2));
1915	>	r2.assertValue(subtract(v1, v2));
1916	>	r3.assertValue(subtract(v1, v2));
1917		checkCompletedNormally(f, v1);
1918		checkCompletedNormally(g, v2);
1919	<	}
1635	<	}
1919	>	}}
1920
1921		/**
1922	<	* runAfterBoth result completes exceptionally after exceptional
1922	>	* thenAcceptBoth result completes exceptionally after exceptional
1923		* completion of either source
1924		*/
1925	<	public void testRunAfterBoth_exceptionalCompletion1() {
1925	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1926		for (ExecutionMode m : ExecutionMode.values())
1927	<	for (Integer v1 : new Integer[] { 1, null }) {
1928	<
1929	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1930	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1647	<	final Noop r = new Noop();
1648	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1649	<	final CFException ex = new CFException();
1650	<
1651	<	f.completeExceptionally(ex);
1652	<	checkIncomplete(h);
1653	<	g.complete(v1);
1654	<
1655	<	checkCompletedWithWrappedCFException(h, ex);
1656	<	checkCompletedWithWrappedCFException(f, ex);
1657	<	assertEquals(r.invocationCount, 0);
1658	<	checkCompletedNormally(g, v1);
1659	<	}
1660	<	}
1661	<
1662	<	public void testRunAfterBoth_exceptionalCompletion2() {
1663	<	for (ExecutionMode m : ExecutionMode.values())
1664	<	for (Integer v1 : new Integer[] { 1, null }) {
1665	<
1666	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1667	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1668	<	final Noop r = new Noop();
1669	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1670	<	final CFException ex = new CFException();
1671	<
1672	<	g.completeExceptionally(ex);
1673	<	checkIncomplete(h);
1674	<	f.complete(v1);
1675	<
1676	<	checkCompletedWithWrappedCFException(h, ex);
1677	<	checkCompletedWithWrappedCFException(g, ex);
1678	<	assertEquals(r.invocationCount, 0);
1679	<	checkCompletedNormally(f, v1);
1680	<	}
1681	<	}
1682	<
1683	<	public void testRunAfterBoth_exceptionalCompletion3() {
1684	<	for (ExecutionMode m : ExecutionMode.values())
1685	<	for (Integer v1 : new Integer[] { 1, null }) {
1686	<
1927	>	for (boolean fFirst : new boolean[] { true, false })
1928	>	for (boolean failFirst : new boolean[] { true, false })
1929	>	for (Integer v1 : new Integer[] { 1, null })
1930	>	{
1931		final CompletableFuture<Integer> f = new CompletableFuture<>();
1932		final CompletableFuture<Integer> g = new CompletableFuture<>();
1689	–	final Noop r = new Noop();
1933		final CFException ex = new CFException();
1934	+	final SubtractAction r1 = new SubtractAction(m);
1935	+	final SubtractAction r2 = new SubtractAction(m);
1936	+	final SubtractAction r3 = new SubtractAction(m);
1937	+
1938	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1939	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1940	+	final Callable<Boolean> complete1 = failFirst ?
1941	+	() -> fst.completeExceptionally(ex) :
1942	+	() -> fst.complete(v1);
1943	+	final Callable<Boolean> complete2 = failFirst ?
1944	+	() -> snd.complete(v1) :
1945	+	() -> snd.completeExceptionally(ex);
1946	+
1947	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1948	+	assertTrue(complete1.call());
1949	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1950	+	checkIncomplete(h1);
1951	+	checkIncomplete(h2);
1952	+	assertTrue(complete2.call());
1953	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1954	+
1955	+	checkCompletedWithWrappedException(h1, ex);
1956	+	checkCompletedWithWrappedException(h2, ex);
1957	+	checkCompletedWithWrappedException(h3, ex);
1958	+	r1.assertNotInvoked();
1959	+	r2.assertNotInvoked();
1960	+	r3.assertNotInvoked();
1961	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1962	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1963	+	}}
1964
1965	<	g.completeExceptionally(ex);
1966	<	f.complete(v1);
1967	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1968	<
1696	<	checkCompletedWithWrappedCFException(h, ex);
1697	<	checkCompletedWithWrappedCFException(g, ex);
1698	<	assertEquals(r.invocationCount, 0);
1699	<	checkCompletedNormally(f, v1);
1700	<	}
1701	<	}
1702	<
1703	<	public void testRunAfterBoth_exceptionalCompletion4() {
1965	>	/**
1966	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1967	>	*/
1968	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1969		for (ExecutionMode m : ExecutionMode.values())
1970	<	for (Integer v1 : new Integer[] { 1, null }) {
1971	<
1970	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1971	>	for (boolean fFirst : new boolean[] { true, false })
1972	>	for (boolean failFirst : new boolean[] { true, false })
1973	>	for (Integer v1 : new Integer[] { 1, null })
1974	>	{
1975		final CompletableFuture<Integer> f = new CompletableFuture<>();
1976		final CompletableFuture<Integer> g = new CompletableFuture<>();
1977	<	final Noop r = new Noop();
1978	<	final CFException ex = new CFException();
1979	<
1980	<	f.completeExceptionally(ex);
1981	<	g.complete(v1);
1982	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1983	<
1984	<	checkCompletedWithWrappedCFException(h, ex);
1985	<	checkCompletedWithWrappedCFException(f, ex);
1986	<	assertEquals(r.invocationCount, 0);
1987	<	checkCompletedNormally(g, v1);
1988	<	}
1989	<	}
1977	>	final SubtractAction r1 = new SubtractAction(m);
1978	>	final SubtractAction r2 = new SubtractAction(m);
1979	>	final SubtractAction r3 = new SubtractAction(m);
1980	>
1981	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1982	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1983	>	final Callable<Boolean> complete1 = failFirst ?
1984	>	() -> fst.cancel(mayInterruptIfRunning) :
1985	>	() -> fst.complete(v1);
1986	>	final Callable<Boolean> complete2 = failFirst ?
1987	>	() -> snd.complete(v1) :
1988	>	() -> snd.cancel(mayInterruptIfRunning);
1989	>
1990	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1991	>	assertTrue(complete1.call());
1992	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1993	>	checkIncomplete(h1);
1994	>	checkIncomplete(h2);
1995	>	assertTrue(complete2.call());
1996	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1997	>
1998	>	checkCompletedWithWrappedCancellationException(h1);
1999	>	checkCompletedWithWrappedCancellationException(h2);
2000	>	checkCompletedWithWrappedCancellationException(h3);
2001	>	r1.assertNotInvoked();
2002	>	r2.assertNotInvoked();
2003	>	r3.assertNotInvoked();
2004	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2005	>	checkCancelled(failFirst ? fst : snd);
2006	>	}}
2007
2008		/**
2009	<	* runAfterBoth result completes exceptionally if action does
2009	>	* thenAcceptBoth result completes exceptionally if action does
2010		*/
2011	<	public void testRunAfterBoth_actionFailed1() {
2011	>	public void testThenAcceptBoth_actionFailed() {
2012		for (ExecutionMode m : ExecutionMode.values())
2013	+	for (boolean fFirst : new boolean[] { true, false })
2014		for (Integer v1 : new Integer[] { 1, null })
2015	<	for (Integer v2 : new Integer[] { 2, null }) {
2016	<
2015	>	for (Integer v2 : new Integer[] { 2, null })
2016	>	{
2017		final CompletableFuture<Integer> f = new CompletableFuture<>();
2018		final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	<	final FailingNoop r = new FailingNoop();
2020	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2021	<
2022	<	f.complete(v1);
2023	<	checkIncomplete(h);
2024	<	g.complete(v2);
2025	<
2026	<	checkCompletedWithWrappedCFException(h);
2019	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2020	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2021	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2022	>
2023	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2024	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2025	>	final Integer w1 =  fFirst ? v1 : v2;
2026	>	final Integer w2 = !fFirst ? v1 : v2;
2027	>
2028	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2029	>	assertTrue(fst.complete(w1));
2030	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2031	>	assertTrue(snd.complete(w2));
2032	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2033	>
2034	>	checkCompletedWithWrappedException(h1, r1.ex);
2035	>	checkCompletedWithWrappedException(h2, r2.ex);
2036	>	checkCompletedWithWrappedException(h3, r3.ex);
2037	>	r1.assertInvoked();
2038	>	r2.assertInvoked();
2039	>	r3.assertInvoked();
2040		checkCompletedNormally(f, v1);
2041		checkCompletedNormally(g, v2);
2042	<	}
1744	<	}
2042	>	}}
2043
2044	<	public void testRunAfterBoth_actionFailed2() {
2044	>	/**
2045	>	* runAfterBoth result completes normally after normal
2046	>	* completion of sources
2047	>	*/
2048	>	public void testRunAfterBoth_normalCompletion() {
2049		for (ExecutionMode m : ExecutionMode.values())
2050	+	for (boolean fFirst : new boolean[] { true, false })
2051		for (Integer v1 : new Integer[] { 1, null })
2052	<	for (Integer v2 : new Integer[] { 2, null }) {
2053	<
2052	>	for (Integer v2 : new Integer[] { 2, null })
2053	>	{
2054		final CompletableFuture<Integer> f = new CompletableFuture<>();
2055		final CompletableFuture<Integer> g = new CompletableFuture<>();
2056	<	final FailingNoop r = new FailingNoop();
2057	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2058	<
2059	<	g.complete(v2);
2060	<	checkIncomplete(h);
2061	<	f.complete(v1);
2062	<
2063	<	checkCompletedWithWrappedCFException(h);
2056	>	final Noop r1 = new Noop(m);
2057	>	final Noop r2 = new Noop(m);
2058	>	final Noop r3 = new Noop(m);
2059	>
2060	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2061	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2062	>	final Integer w1 =  fFirst ? v1 : v2;
2063	>	final Integer w2 = !fFirst ? v1 : v2;
2064	>
2065	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2066	>	assertTrue(fst.complete(w1));
2067	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2068	>	checkIncomplete(h1);
2069	>	checkIncomplete(h2);
2070	>	r1.assertNotInvoked();
2071	>	r2.assertNotInvoked();
2072	>	assertTrue(snd.complete(w2));
2073	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2074	>
2075	>	checkCompletedNormally(h1, null);
2076	>	checkCompletedNormally(h2, null);
2077	>	checkCompletedNormally(h3, null);
2078	>	r1.assertInvoked();
2079	>	r2.assertInvoked();
2080	>	r3.assertInvoked();
2081		checkCompletedNormally(f, v1);
2082		checkCompletedNormally(g, v2);
2083	<	}
1764	<	}
2083	>	}}
2084
2085		/**
2086	<	* runAfterBoth result completes exceptionally if either source cancelled
2086	>	* runAfterBoth result completes exceptionally after exceptional
2087	>	* completion of either source
2088		*/
2089	<	public void testRunAfterBoth_sourceCancelled1() {
1770	<	for (ExecutionMode m : ExecutionMode.values())
1771	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1772	<	for (Integer v1 : new Integer[] { 1, null }) {
1773	<
1774	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1775	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1776	<	final Noop r = new Noop();
1777	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1778	<
1779	<	assertTrue(f.cancel(mayInterruptIfRunning));
1780	<	checkIncomplete(h);
1781	<	g.complete(v1);
1782	<
1783	<	checkCompletedWithWrappedCancellationException(h);
1784	<	checkCancelled(f);
1785	<	assertEquals(r.invocationCount, 0);
1786	<	checkCompletedNormally(g, v1);
1787	<	}
1788	<	}
1789	<
1790	<	public void testRunAfterBoth_sourceCancelled2() {
1791	<	for (ExecutionMode m : ExecutionMode.values())
1792	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1793	<	for (Integer v1 : new Integer[] { 1, null }) {
1794	<
1795	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1796	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1797	<	final Noop r = new Noop();
1798	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1799	<
1800	<	assertTrue(g.cancel(mayInterruptIfRunning));
1801	<	checkIncomplete(h);
1802	<	f.complete(v1);
1803	<
1804	<	checkCompletedWithWrappedCancellationException(h);
1805	<	checkCancelled(g);
1806	<	assertEquals(r.invocationCount, 0);
1807	<	checkCompletedNormally(f, v1);
1808	<	}
1809	<	}
1810	<
1811	<	public void testRunAfterBoth_sourceCancelled3() {
2089	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2090		for (ExecutionMode m : ExecutionMode.values())
2091	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2092	<	for (Integer v1 : new Integer[] { 1, null }) {
2093	<
2091	>	for (boolean fFirst : new boolean[] { true, false })
2092	>	for (boolean failFirst : new boolean[] { true, false })
2093	>	for (Integer v1 : new Integer[] { 1, null })
2094	>	{
2095		final CompletableFuture<Integer> f = new CompletableFuture<>();
2096		final CompletableFuture<Integer> g = new CompletableFuture<>();
2097	<	final Noop r = new Noop();
2098	<
2099	<	assertTrue(g.cancel(mayInterruptIfRunning));
2100	<	f.complete(v1);
2101	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2102	<
2103	<	checkCompletedWithWrappedCancellationException(h);
2104	<	checkCancelled(g);
2105	<	assertEquals(r.invocationCount, 0);
2106	<	checkCompletedNormally(f, v1);
2107	<	}
2108	<	}
2097	>	final CFException ex = new CFException();
2098	>	final Noop r1 = new Noop(m);
2099	>	final Noop r2 = new Noop(m);
2100	>	final Noop r3 = new Noop(m);
2101	>
2102	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2103	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2104	>	final Callable<Boolean> complete1 = failFirst ?
2105	>	() -> fst.completeExceptionally(ex) :
2106	>	() -> fst.complete(v1);
2107	>	final Callable<Boolean> complete2 = failFirst ?
2108	>	() -> snd.complete(v1) :
2109	>	() -> snd.completeExceptionally(ex);
2110	>
2111	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2112	>	assertTrue(complete1.call());
2113	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2114	>	checkIncomplete(h1);
2115	>	checkIncomplete(h2);
2116	>	assertTrue(complete2.call());
2117	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2118	>
2119	>	checkCompletedWithWrappedException(h1, ex);
2120	>	checkCompletedWithWrappedException(h2, ex);
2121	>	checkCompletedWithWrappedException(h3, ex);
2122	>	r1.assertNotInvoked();
2123	>	r2.assertNotInvoked();
2124	>	r3.assertNotInvoked();
2125	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2126	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2127	>	}}
2128
2129	<	public void testRunAfterBoth_sourceCancelled4() {
2129	>	/**
2130	>	* runAfterBoth result completes exceptionally if either source cancelled
2131	>	*/
2132	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2133		for (ExecutionMode m : ExecutionMode.values())
2134		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2135	<	for (Integer v1 : new Integer[] { 1, null }) {
2136	<
2135	>	for (boolean fFirst : new boolean[] { true, false })
2136	>	for (boolean failFirst : new boolean[] { true, false })
2137	>	for (Integer v1 : new Integer[] { 1, null })
2138	>	{
2139		final CompletableFuture<Integer> f = new CompletableFuture<>();
2140		final CompletableFuture<Integer> g = new CompletableFuture<>();
2141	<	final Noop r = new Noop();
2142	<
2143	<	assertTrue(f.cancel(mayInterruptIfRunning));
2144	<	g.complete(v1);
2145	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2146	<
2147	<	checkCompletedWithWrappedCancellationException(h);
2148	<	checkCancelled(f);
2149	<	assertEquals(r.invocationCount, 0);
2150	<	checkCompletedNormally(g, v1);
2151	<	}
2152	<	}
2141	>	final Noop r1 = new Noop(m);
2142	>	final Noop r2 = new Noop(m);
2143	>	final Noop r3 = new Noop(m);
2144	>
2145	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2146	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2147	>	final Callable<Boolean> complete1 = failFirst ?
2148	>	() -> fst.cancel(mayInterruptIfRunning) :
2149	>	() -> fst.complete(v1);
2150	>	final Callable<Boolean> complete2 = failFirst ?
2151	>	() -> snd.complete(v1) :
2152	>	() -> snd.cancel(mayInterruptIfRunning);
2153	>
2154	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2155	>	assertTrue(complete1.call());
2156	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2157	>	checkIncomplete(h1);
2158	>	checkIncomplete(h2);
2159	>	assertTrue(complete2.call());
2160	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2161	>
2162	>	checkCompletedWithWrappedCancellationException(h1);
2163	>	checkCompletedWithWrappedCancellationException(h2);
2164	>	checkCompletedWithWrappedCancellationException(h3);
2165	>	r1.assertNotInvoked();
2166	>	r2.assertNotInvoked();
2167	>	r3.assertNotInvoked();
2168	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2169	>	checkCancelled(failFirst ? fst : snd);
2170	>	}}
2171
2172		/**
2173	<	* applyToEither result completes normally after normal completion
1853	<	* of either source
2173	>	* runAfterBoth result completes exceptionally if action does
2174		*/
2175	<	public void testApplyToEither_normalCompletion1() {
2175	>	public void testRunAfterBoth_actionFailed() {
2176		for (ExecutionMode m : ExecutionMode.values())
2177	+	for (boolean fFirst : new boolean[] { true, false })
2178		for (Integer v1 : new Integer[] { 1, null })
2179	<	for (Integer v2 : new Integer[] { 2, null }) {
2180	<
2179	>	for (Integer v2 : new Integer[] { 2, null })
2180	>	{
2181		final CompletableFuture<Integer> f = new CompletableFuture<>();
2182		final CompletableFuture<Integer> g = new CompletableFuture<>();
2183	<	final IncFunction r = new IncFunction();
2184	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2185	<
2186	<	f.complete(v1);
2187	<	checkCompletedNormally(h, inc(v1));
2188	<	g.complete(v2);
2189	<
2183	>	final FailingRunnable r1 = new FailingRunnable(m);
2184	>	final FailingRunnable r2 = new FailingRunnable(m);
2185	>	final FailingRunnable r3 = new FailingRunnable(m);
2186	>
2187	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2188	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2189	>	final Integer w1 =  fFirst ? v1 : v2;
2190	>	final Integer w2 = !fFirst ? v1 : v2;
2191	>
2192	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2193	>	assertTrue(fst.complete(w1));
2194	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2195	>	assertTrue(snd.complete(w2));
2196	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2197	>
2198	>	checkCompletedWithWrappedException(h1, r1.ex);
2199	>	checkCompletedWithWrappedException(h2, r2.ex);
2200	>	checkCompletedWithWrappedException(h3, r3.ex);
2201	>	r1.assertInvoked();
2202	>	r2.assertInvoked();
2203	>	r3.assertInvoked();
2204		checkCompletedNormally(f, v1);
2205		checkCompletedNormally(g, v2);
2206	<	checkCompletedNormally(h, inc(v1));
1872	<	}
1873	<	}
2206	>	}}
2207
2208	<	public void testApplyToEither_normalCompletion2() {
2208	>	/**
2209	>	* applyToEither result completes normally after normal completion
2210	>	* of either source
2211	>	*/
2212	>	public void testApplyToEither_normalCompletion() {
2213		for (ExecutionMode m : ExecutionMode.values())
2214		for (Integer v1 : new Integer[] { 1, null })
2215	<	for (Integer v2 : new Integer[] { 2, null }) {
2216	<
2215	>	for (Integer v2 : new Integer[] { 2, null })
2216	>	{
2217		final CompletableFuture<Integer> f = new CompletableFuture<>();
2218		final CompletableFuture<Integer> g = new CompletableFuture<>();
2219	<	final IncFunction r = new IncFunction();
2220	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2219	>	final IncFunction[] rs = new IncFunction[6];
2220	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2221
2222	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2223	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2224	+	checkIncomplete(h0);
2225	+	checkIncomplete(h1);
2226	+	rs[0].assertNotInvoked();
2227	+	rs[1].assertNotInvoked();
2228	+	f.complete(v1);
2229	+	checkCompletedNormally(h0, inc(v1));
2230	+	checkCompletedNormally(h1, inc(v1));
2231	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2232	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2233	+	checkCompletedNormally(h2, inc(v1));
2234	+	checkCompletedNormally(h3, inc(v1));
2235		g.complete(v2);
1886	–	checkCompletedNormally(h, inc(v2));
1887	–	f.complete(v1);
2236
2237	<	checkCompletedNormally(f, v1);
2238	<	checkCompletedNormally(g, v2);
2239	<	checkCompletedNormally(h, inc(v2));
2240	<	}
2241	<	}
2242	<	public void testApplyToEither_normalCompletion3() {
2243	<	for (ExecutionMode m : ExecutionMode.values())
2244	<	for (Integer v1 : new Integer[] { 1, null })
2245	<	for (Integer v2 : new Integer[] { 2, null }) {
1898	<
1899	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1900	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1901	<	final IncFunction r = new IncFunction();
1902	<
1903	<	f.complete(v1);
1904	<	g.complete(v2);
1905	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2237	>	// unspecified behavior - both source completions available
2238	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2239	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2240	>	rs[4].assertValue(h4.join());
2241	>	rs[5].assertValue(h5.join());
2242	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2243	>	Objects.equals(inc(v2), h4.join()));
2244	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2245	>	Objects.equals(inc(v2), h5.join()));
2246
2247		checkCompletedNormally(f, v1);
2248		checkCompletedNormally(g, v2);
2249	<
2250	<	// unspecified behavior
2251	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2252	<	Objects.equals(h.join(), inc(v2)));
2253	<	assertEquals(r.invocationCount, 1);
2254	<	}
1915	<	}
2249	>	checkCompletedNormally(h0, inc(v1));
2250	>	checkCompletedNormally(h1, inc(v1));
2251	>	checkCompletedNormally(h2, inc(v1));
2252	>	checkCompletedNormally(h3, inc(v1));
2253	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2254	>	}}
2255
2256		/**
2257		* applyToEither result completes exceptionally after exceptional
2258		* completion of either source
2259		*/
2260	<	public void testApplyToEither_exceptionalCompletion1() {
2260	>	public void testApplyToEither_exceptionalCompletion() {
2261		for (ExecutionMode m : ExecutionMode.values())
2262	<	for (Integer v1 : new Integer[] { 1, null }) {
2263	<
2262	>	for (Integer v1 : new Integer[] { 1, null })
2263	>	{
2264		final CompletableFuture<Integer> f = new CompletableFuture<>();
2265		final CompletableFuture<Integer> g = new CompletableFuture<>();
1927	–	final IncFunction r = new IncFunction();
1928	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2266		final CFException ex = new CFException();
2267	+	final IncFunction[] rs = new IncFunction[6];
2268	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2269
2270	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2271	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2272	+	checkIncomplete(h0);
2273	+	checkIncomplete(h1);
2274	+	rs[0].assertNotInvoked();
2275	+	rs[1].assertNotInvoked();
2276		f.completeExceptionally(ex);
2277	<	checkCompletedWithWrappedCFException(h, ex);
2277	>	checkCompletedWithWrappedException(h0, ex);
2278	>	checkCompletedWithWrappedException(h1, ex);
2279	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2280	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2281	>	checkCompletedWithWrappedException(h2, ex);
2282	>	checkCompletedWithWrappedException(h3, ex);
2283		g.complete(v1);
2284
2285	<	assertEquals(r.invocationCount, 0);
2286	<	checkCompletedNormally(g, v1);
2287	<	checkCompletedWithWrappedCFException(f, ex);
2288	<	checkCompletedWithWrappedCFException(h, ex);
2289	<	}
2290	<	}
2291	<
2292	<	public void testApplyToEither_exceptionalCompletion2() {
2293	<	for (ExecutionMode m : ExecutionMode.values())
1944	<	for (Integer v1 : new Integer[] { 1, null }) {
1945	<
1946	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1947	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1948	<	final IncFunction r = new IncFunction();
1949	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1950	<	final CFException ex = new CFException();
1951	<
1952	<	g.completeExceptionally(ex);
1953	<	checkCompletedWithWrappedCFException(h, ex);
1954	<	f.complete(v1);
1955	<
1956	<	assertEquals(r.invocationCount, 0);
1957	<	checkCompletedNormally(f, v1);
1958	<	checkCompletedWithWrappedCFException(g, ex);
1959	<	checkCompletedWithWrappedCFException(h, ex);
2285	>	// unspecified behavior - both source completions available
2286	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2287	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2288	>	try {
2289	>	assertEquals(inc(v1), h4.join());
2290	>	rs[4].assertValue(inc(v1));
2291	>	} catch (CompletionException ok) {
2292	>	checkCompletedWithWrappedException(h4, ex);
2293	>	rs[4].assertNotInvoked();
2294		}
1961	–	}
1962	–
1963	–	public void testApplyToEither_exceptionalCompletion3() {
1964	–	for (ExecutionMode m : ExecutionMode.values())
1965	–	for (Integer v1 : new Integer[] { 1, null }) {
1966	–
1967	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1968	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1969	–	final IncFunction r = new IncFunction();
1970	–	final CFException ex = new CFException();
1971	–
1972	–	g.completeExceptionally(ex);
1973	–	f.complete(v1);
1974	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1975	–
1976	–	// unspecified behavior
1977	–	Integer v;
2295		try {
2296	<	assertEquals(h.join(), inc(v1));
2297	<	assertEquals(r.invocationCount, 1);
2296	>	assertEquals(inc(v1), h5.join());
2297	>	rs[5].assertValue(inc(v1));
2298		} catch (CompletionException ok) {
2299	<	checkCompletedWithWrappedCFException(h, ex);
2300	<	assertEquals(r.invocationCount, 0);
2299	>	checkCompletedWithWrappedException(h5, ex);
2300	>	rs[5].assertNotInvoked();
2301		}
2302
2303	<	checkCompletedWithWrappedCFException(g, ex);
2304	<	checkCompletedNormally(f, v1);
2305	<	}
2306	<	}
2303	>	checkCompletedExceptionally(f, ex);
2304	>	checkCompletedNormally(g, v1);
2305	>	checkCompletedWithWrappedException(h0, ex);
2306	>	checkCompletedWithWrappedException(h1, ex);
2307	>	checkCompletedWithWrappedException(h2, ex);
2308	>	checkCompletedWithWrappedException(h3, ex);
2309	>	checkCompletedWithWrappedException(h4, ex);
2310	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2311	>	}}
2312
2313	<	public void testApplyToEither_exceptionalCompletion4() {
2313	>	public void testApplyToEither_exceptionalCompletion2() {
2314		for (ExecutionMode m : ExecutionMode.values())
2315	<	for (Integer v1 : new Integer[] { 1, null }) {
2316	<
2315	>	for (boolean fFirst : new boolean[] { true, false })
2316	>	for (Integer v1 : new Integer[] { 1, null })
2317	>	{
2318		final CompletableFuture<Integer> f = new CompletableFuture<>();
2319		final CompletableFuture<Integer> g = new CompletableFuture<>();
1997	–	final IncFunction r = new IncFunction();
2320		final CFException ex = new CFException();
2321	+	final IncFunction[] rs = new IncFunction[6];
2322	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2323
2324	<	f.completeExceptionally(ex);
2325	<	g.complete(v1);
2326	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2324	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2325	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2326	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2327	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2328	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2329	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2330
2331	<	// unspecified behavior
2005	<	Integer v;
2331	>	// unspecified behavior - both source completions available
2332		try {
2333	<	assertEquals(h.join(), inc(v1));
2334	<	assertEquals(r.invocationCount, 1);
2333	>	assertEquals(inc(v1), h0.join());
2334	>	rs[0].assertValue(inc(v1));
2335		} catch (CompletionException ok) {
2336	<	checkCompletedWithWrappedCFException(h, ex);
2337	<	assertEquals(r.invocationCount, 0);
2336	>	checkCompletedWithWrappedException(h0, ex);
2337	>	rs[0].assertNotInvoked();
2338		}
2339	<
2340	<	checkCompletedWithWrappedCFException(f, ex);
2341	<	checkCompletedNormally(g, v1);
2339	>	try {
2340	>	assertEquals(inc(v1), h1.join());
2341	>	rs[1].assertValue(inc(v1));
2342	>	} catch (CompletionException ok) {
2343	>	checkCompletedWithWrappedException(h1, ex);
2344	>	rs[1].assertNotInvoked();
2345		}
2346	<	}
2347	<
2348	<	/**
2349	<	* applyToEither result completes exceptionally if action does
2350	<	*/
2351	<	public void testApplyToEither_actionFailed1() {
2352	<	for (ExecutionMode m : ExecutionMode.values())
2353	<	for (Integer v1 : new Integer[] { 1, null })
2354	<	for (Integer v2 : new Integer[] { 2, null }) {
2355	<
2356	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2357	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2358	<	final FailingFunction r = new FailingFunction();
2030	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2031	<
2032	<	f.complete(v1);
2033	<	checkCompletedWithWrappedCFException(h);
2034	<	g.complete(v2);
2035	<	checkCompletedNormally(f, v1);
2036	<	checkCompletedNormally(g, v2);
2346	>	try {
2347	>	assertEquals(inc(v1), h2.join());
2348	>	rs[2].assertValue(inc(v1));
2349	>	} catch (CompletionException ok) {
2350	>	checkCompletedWithWrappedException(h2, ex);
2351	>	rs[2].assertNotInvoked();
2352	>	}
2353	>	try {
2354	>	assertEquals(inc(v1), h3.join());
2355	>	rs[3].assertValue(inc(v1));
2356	>	} catch (CompletionException ok) {
2357	>	checkCompletedWithWrappedException(h3, ex);
2358	>	rs[3].assertNotInvoked();
2359		}
2038	–	}
2039	–
2040	–	public void testApplyToEither_actionFailed2() {
2041	–	for (ExecutionMode m : ExecutionMode.values())
2042	–	for (Integer v1 : new Integer[] { 1, null })
2043	–	for (Integer v2 : new Integer[] { 2, null }) {
2044	–
2045	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2046	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2047	–	final FailingFunction r = new FailingFunction();
2048	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2360
2050	–	g.complete(v2);
2051	–	checkCompletedWithWrappedCFException(h);
2052	–	f.complete(v1);
2361		checkCompletedNormally(f, v1);
2362	<	checkCompletedNormally(g, v2);
2363	<	}
2056	<	}
2362	>	checkCompletedExceptionally(g, ex);
2363	>	}}
2364
2365		/**
2366		* applyToEither result completes exceptionally if either source cancelled
2367		*/
2368	<	public void testApplyToEither_sourceCancelled1() {
2368	>	public void testApplyToEither_sourceCancelled() {
2369		for (ExecutionMode m : ExecutionMode.values())
2370		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2371	<	for (Integer v1 : new Integer[] { 1, null }) {
2372	<
2371	>	for (Integer v1 : new Integer[] { 1, null })
2372	>	{
2373		final CompletableFuture<Integer> f = new CompletableFuture<>();
2374		final CompletableFuture<Integer> g = new CompletableFuture<>();
2375	<	final IncFunction r = new IncFunction();
2376	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2375	>	final IncFunction[] rs = new IncFunction[6];
2376	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2377
2378	<	assertTrue(f.cancel(mayInterruptIfRunning));
2379	<	checkCompletedWithWrappedCancellationException(h);
2378	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2379	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2380	>	checkIncomplete(h0);
2381	>	checkIncomplete(h1);
2382	>	rs[0].assertNotInvoked();
2383	>	rs[1].assertNotInvoked();
2384	>	f.cancel(mayInterruptIfRunning);
2385	>	checkCompletedWithWrappedCancellationException(h0);
2386	>	checkCompletedWithWrappedCancellationException(h1);
2387	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2388	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2389	>	checkCompletedWithWrappedCancellationException(h2);
2390	>	checkCompletedWithWrappedCancellationException(h3);
2391		g.complete(v1);
2392
2393	+	// unspecified behavior - both source completions available
2394	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2395	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2396	+	try {
2397	+	assertEquals(inc(v1), h4.join());
2398	+	rs[4].assertValue(inc(v1));
2399	+	} catch (CompletionException ok) {
2400	+	checkCompletedWithWrappedCancellationException(h4);
2401	+	rs[4].assertNotInvoked();
2402	+	}
2403	+	try {
2404	+	assertEquals(inc(v1), h5.join());
2405	+	rs[5].assertValue(inc(v1));
2406	+	} catch (CompletionException ok) {
2407	+	checkCompletedWithWrappedCancellationException(h5);
2408	+	rs[5].assertNotInvoked();
2409	+	}
2410	+
2411		checkCancelled(f);
2076	–	assertEquals(r.invocationCount, 0);
2412		checkCompletedNormally(g, v1);
2413	<	checkCompletedWithWrappedCancellationException(h);
2414	<	}
2415	<	}
2413	>	checkCompletedWithWrappedCancellationException(h0);
2414	>	checkCompletedWithWrappedCancellationException(h1);
2415	>	checkCompletedWithWrappedCancellationException(h2);
2416	>	checkCompletedWithWrappedCancellationException(h3);
2417	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2418	>	}}
2419
2420		public void testApplyToEither_sourceCancelled2() {
2421		for (ExecutionMode m : ExecutionMode.values())
2422		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2423	<	for (Integer v1 : new Integer[] { 1, null }) {
2424	<
2423	>	for (boolean fFirst : new boolean[] { true, false })
2424	>	for (Integer v1 : new Integer[] { 1, null })
2425	>	{
2426		final CompletableFuture<Integer> f = new CompletableFuture<>();
2427		final CompletableFuture<Integer> g = new CompletableFuture<>();
2428	<	final IncFunction r = new IncFunction();
2429	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2428	>	final IncFunction[] rs = new IncFunction[6];
2429	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2430
2431	<	assertTrue(g.cancel(mayInterruptIfRunning));
2432	<	checkCompletedWithWrappedCancellationException(h);
2433	<	f.complete(v1);
2431	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2432	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2433	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2434	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2435	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2436	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2437
2438	<	checkCancelled(g);
2439	<	assertEquals(r.invocationCount, 0);
2440	<	checkCompletedNormally(f, v1);
2441	<	checkCompletedWithWrappedCancellationException(h);
2438	>	// unspecified behavior - both source completions available
2439	>	try {
2440	>	assertEquals(inc(v1), h0.join());
2441	>	rs[0].assertValue(inc(v1));
2442	>	} catch (CompletionException ok) {
2443	>	checkCompletedWithWrappedCancellationException(h0);
2444	>	rs[0].assertNotInvoked();
2445		}
2101	–	}
2102	–
2103	–	public void testApplyToEither_sourceCancelled3() {
2104	–	for (ExecutionMode m : ExecutionMode.values())
2105	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2106	–	for (Integer v1 : new Integer[] { 1, null }) {
2107	–
2108	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2109	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2110	–	final IncFunction r = new IncFunction();
2111	–
2112	–	assertTrue(g.cancel(mayInterruptIfRunning));
2113	–	f.complete(v1);
2114	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2115	–
2116	–	// unspecified behavior
2117	–	Integer v;
2446		try {
2447	<	assertEquals(h.join(), inc(v1));
2448	<	assertEquals(r.invocationCount, 1);
2447	>	assertEquals(inc(v1), h1.join());
2448	>	rs[1].assertValue(inc(v1));
2449		} catch (CompletionException ok) {
2450	<	checkCompletedWithWrappedCancellationException(h);
2451	<	assertEquals(r.invocationCount, 0);
2450	>	checkCompletedWithWrappedCancellationException(h1);
2451	>	rs[1].assertNotInvoked();
2452		}
2453	<
2454	<	checkCancelled(g);
2455	<	checkCompletedNormally(f, v1);
2453	>	try {
2454	>	assertEquals(inc(v1), h2.join());
2455	>	rs[2].assertValue(inc(v1));
2456	>	} catch (CompletionException ok) {
2457	>	checkCompletedWithWrappedCancellationException(h2);
2458	>	rs[2].assertNotInvoked();
2459		}
2129	–	}
2130	–
2131	–	public void testApplyToEither_sourceCancelled4() {
2132	–	for (ExecutionMode m : ExecutionMode.values())
2133	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2134	–	for (Integer v1 : new Integer[] { 1, null }) {
2135	–
2136	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2137	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2138	–	final IncFunction r = new IncFunction();
2139	–
2140	–	assertTrue(f.cancel(mayInterruptIfRunning));
2141	–	g.complete(v1);
2142	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2143	–
2144	–	// unspecified behavior
2145	–	Integer v;
2460		try {
2461	<	assertEquals(h.join(), inc(v1));
2462	<	assertEquals(r.invocationCount, 1);
2461	>	assertEquals(inc(v1), h3.join());
2462	>	rs[3].assertValue(inc(v1));
2463		} catch (CompletionException ok) {
2464	<	checkCompletedWithWrappedCancellationException(h);
2465	<	assertEquals(r.invocationCount, 0);
2464	>	checkCompletedWithWrappedCancellationException(h3);
2465	>	rs[3].assertNotInvoked();
2466		}
2467
2468	<	checkCancelled(f);
2469	<	checkCompletedNormally(g, v1);
2470	<	}
2157	<	}
2468	>	checkCompletedNormally(f, v1);
2469	>	checkCancelled(g);
2470	>	}}
2471
2472		/**
2473	<	* acceptEither result completes normally after normal completion
2161	<	* of either source
2473	>	* applyToEither result completes exceptionally if action does
2474		*/
2475	<	public void testAcceptEither_normalCompletion1() {
2475	>	public void testApplyToEither_actionFailed() {
2476		for (ExecutionMode m : ExecutionMode.values())
2477		for (Integer v1 : new Integer[] { 1, null })
2478	<	for (Integer v2 : new Integer[] { 2, null }) {
2479	<
2478	>	for (Integer v2 : new Integer[] { 2, null })
2479	>	{
2480		final CompletableFuture<Integer> f = new CompletableFuture<>();
2481		final CompletableFuture<Integer> g = new CompletableFuture<>();
2482	<	final IncAction r = new IncAction();
2483	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2482	>	final FailingFunction[] rs = new FailingFunction[6];
2483	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2484	>
2485	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2486	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2487	>	f.complete(v1);
2488	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2489	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2490	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2491	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2492	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2493	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2494	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2495
2173	–	f.complete(v1);
2174	–	checkCompletedNormally(h, null);
2175	–	assertEquals(r.value, inc(v1));
2496		g.complete(v2);
2497
2498	+	// unspecified behavior - both source completions available
2499	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2500	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2501	+
2502	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2503	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2504	+	Objects.equals(v2, rs[4].value));
2505	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2506	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2507	+	Objects.equals(v2, rs[5].value));
2508	+
2509		checkCompletedNormally(f, v1);
2510		checkCompletedNormally(g, v2);
2511	<	checkCompletedNormally(h, null);
2181	<	}
2182	<	}
2511	>	}}
2512
2513	<	public void testAcceptEither_normalCompletion2() {
2513	>	/**
2514	>	* acceptEither result completes normally after normal completion
2515	>	* of either source
2516	>	*/
2517	>	public void testAcceptEither_normalCompletion() {
2518		for (ExecutionMode m : ExecutionMode.values())
2519		for (Integer v1 : new Integer[] { 1, null })
2520	<	for (Integer v2 : new Integer[] { 2, null }) {
2521	<
2520	>	for (Integer v2 : new Integer[] { 2, null })
2521	>	{
2522		final CompletableFuture<Integer> f = new CompletableFuture<>();
2523		final CompletableFuture<Integer> g = new CompletableFuture<>();
2524	<	final IncAction r = new IncAction();
2525	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2524	>	final NoopConsumer[] rs = new NoopConsumer[6];
2525	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2526
2527	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2528	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2529	+	checkIncomplete(h0);
2530	+	checkIncomplete(h1);
2531	+	rs[0].assertNotInvoked();
2532	+	rs[1].assertNotInvoked();
2533	+	f.complete(v1);
2534	+	checkCompletedNormally(h0, null);
2535	+	checkCompletedNormally(h1, null);
2536	+	rs[0].assertValue(v1);
2537	+	rs[1].assertValue(v1);
2538	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2539	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2540	+	checkCompletedNormally(h2, null);
2541	+	checkCompletedNormally(h3, null);
2542	+	rs[2].assertValue(v1);
2543	+	rs[3].assertValue(v1);
2544		g.complete(v2);
2195	–	checkCompletedNormally(h, null);
2196	–	assertEquals(r.value, inc(v2));
2197	–	f.complete(v1);
2545
2546	<	checkCompletedNormally(f, v1);
2547	<	checkCompletedNormally(g, v2);
2548	<	checkCompletedNormally(h, null);
2549	<	}
2550	<	}
2551	<	public void testAcceptEither_normalCompletion3() {
2552	<	for (ExecutionMode m : ExecutionMode.values())
2553	<	for (Integer v1 : new Integer[] { 1, null })
2554	<	for (Integer v2 : new Integer[] { 2, null }) {
2208	<
2209	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2210	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2211	<	final IncAction r = new IncAction();
2546	>	// unspecified behavior - both source completions available
2547	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2548	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2549	>	checkCompletedNormally(h4, null);
2550	>	checkCompletedNormally(h5, null);
2551	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2552	>	Objects.equals(v2, rs[4].value));
2553	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2554	>	Objects.equals(v2, rs[5].value));
2555
2213	–	f.complete(v1);
2214	–	g.complete(v2);
2215	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2216	–
2217	–	checkCompletedNormally(h, null);
2556		checkCompletedNormally(f, v1);
2557		checkCompletedNormally(g, v2);
2558	<
2559	<	// unspecified behavior
2560	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2561	<	Objects.equals(r.value, inc(v2)));
2562	<	}
2563	<	}
2558	>	checkCompletedNormally(h0, null);
2559	>	checkCompletedNormally(h1, null);
2560	>	checkCompletedNormally(h2, null);
2561	>	checkCompletedNormally(h3, null);
2562	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2563	>	}}
2564
2565		/**
2566		* acceptEither result completes exceptionally after exceptional
2567		* completion of either source
2568		*/
2569	<	public void testAcceptEither_exceptionalCompletion1() {
2569	>	public void testAcceptEither_exceptionalCompletion() {
2570		for (ExecutionMode m : ExecutionMode.values())
2571	<	for (Integer v1 : new Integer[] { 1, null }) {
2572	<
2571	>	for (Integer v1 : new Integer[] { 1, null })
2572	>	{
2573		final CompletableFuture<Integer> f = new CompletableFuture<>();
2574		final CompletableFuture<Integer> g = new CompletableFuture<>();
2237	–	final IncAction r = new IncAction();
2238	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2575		final CFException ex = new CFException();
2576	+	final NoopConsumer[] rs = new NoopConsumer[6];
2577	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2578
2579	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2580	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2581	+	checkIncomplete(h0);
2582	+	checkIncomplete(h1);
2583	+	rs[0].assertNotInvoked();
2584	+	rs[1].assertNotInvoked();
2585		f.completeExceptionally(ex);
2586	<	checkCompletedWithWrappedCFException(h, ex);
2587	<	g.complete(v1);
2588	<
2589	<	assertEquals(r.invocationCount, 0);
2590	<	checkCompletedNormally(g, v1);
2591	<	checkCompletedWithWrappedCFException(f, ex);
2248	<	checkCompletedWithWrappedCFException(h, ex);
2249	<	}
2250	<	}
2251	<
2252	<	public void testAcceptEither_exceptionalCompletion2() {
2253	<	for (ExecutionMode m : ExecutionMode.values())
2254	<	for (Integer v1 : new Integer[] { 1, null }) {
2586	>	checkCompletedWithWrappedException(h0, ex);
2587	>	checkCompletedWithWrappedException(h1, ex);
2588	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2589	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2590	>	checkCompletedWithWrappedException(h2, ex);
2591	>	checkCompletedWithWrappedException(h3, ex);
2592
2593	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2257	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2258	<	final IncAction r = new IncAction();
2259	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2260	<	final CFException ex = new CFException();
2261	<
2262	<	g.completeExceptionally(ex);
2263	<	checkCompletedWithWrappedCFException(h, ex);
2264	<	f.complete(v1);
2593	>	g.complete(v1);
2594
2595	<	assertEquals(r.invocationCount, 0);
2596	<	checkCompletedNormally(f, v1);
2597	<	checkCompletedWithWrappedCFException(g, ex);
2598	<	checkCompletedWithWrappedCFException(h, ex);
2595	>	// unspecified behavior - both source completions available
2596	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2597	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2598	>	try {
2599	>	assertNull(h4.join());
2600	>	rs[4].assertValue(v1);
2601	>	} catch (CompletionException ok) {
2602	>	checkCompletedWithWrappedException(h4, ex);
2603	>	rs[4].assertNotInvoked();
2604		}
2271	–	}
2272	–
2273	–	public void testAcceptEither_exceptionalCompletion3() {
2274	–	for (ExecutionMode m : ExecutionMode.values())
2275	–	for (Integer v1 : new Integer[] { 1, null }) {
2276	–
2277	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2278	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2279	–	final IncAction r = new IncAction();
2280	–	final CFException ex = new CFException();
2281	–
2282	–	g.completeExceptionally(ex);
2283	–	f.complete(v1);
2284	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2285	–
2286	–	// unspecified behavior
2287	–	Integer v;
2605		try {
2606	<	assertEquals(h.join(), null);
2607	<	assertEquals(r.invocationCount, 1);
2291	<	assertEquals(inc(v1), r.value);
2606	>	assertNull(h5.join());
2607	>	rs[5].assertValue(v1);
2608		} catch (CompletionException ok) {
2609	<	checkCompletedWithWrappedCFException(h, ex);
2610	<	assertEquals(r.invocationCount, 0);
2609	>	checkCompletedWithWrappedException(h5, ex);
2610	>	rs[5].assertNotInvoked();
2611		}
2612
2613	<	checkCompletedWithWrappedCFException(g, ex);
2614	<	checkCompletedNormally(f, v1);
2615	<	}
2616	<	}
2613	>	checkCompletedExceptionally(f, ex);
2614	>	checkCompletedNormally(g, v1);
2615	>	checkCompletedWithWrappedException(h0, ex);
2616	>	checkCompletedWithWrappedException(h1, ex);
2617	>	checkCompletedWithWrappedException(h2, ex);
2618	>	checkCompletedWithWrappedException(h3, ex);
2619	>	checkCompletedWithWrappedException(h4, ex);
2620	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2621	>	}}
2622
2623	<	public void testAcceptEither_exceptionalCompletion4() {
2623	>	public void testAcceptEither_exceptionalCompletion2() {
2624		for (ExecutionMode m : ExecutionMode.values())
2625	<	for (Integer v1 : new Integer[] { 1, null }) {
2626	<
2625	>	for (boolean fFirst : new boolean[] { true, false })
2626	>	for (Integer v1 : new Integer[] { 1, null })
2627	>	{
2628		final CompletableFuture<Integer> f = new CompletableFuture<>();
2629		final CompletableFuture<Integer> g = new CompletableFuture<>();
2308	–	final IncAction r = new IncAction();
2630		final CFException ex = new CFException();
2631	+	final NoopConsumer[] rs = new NoopConsumer[6];
2632	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2633
2634	<	f.completeExceptionally(ex);
2635	<	g.complete(v1);
2636	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2634	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2635	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2636	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2637	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2638	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2639	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2640
2641	<	// unspecified behavior
2316	<	Integer v;
2641	>	// unspecified behavior - both source completions available
2642		try {
2643	<	assertEquals(h.join(), null);
2644	<	assertEquals(r.invocationCount, 1);
2320	<	assertEquals(inc(v1), r.value);
2643	>	assertNull(h0.join());
2644	>	rs[0].assertValue(v1);
2645		} catch (CompletionException ok) {
2646	<	checkCompletedWithWrappedCFException(h, ex);
2647	<	assertEquals(r.invocationCount, 0);
2646	>	checkCompletedWithWrappedException(h0, ex);
2647	>	rs[0].assertNotInvoked();
2648		}
2649	<
2650	<	checkCompletedWithWrappedCFException(f, ex);
2651	<	checkCompletedNormally(g, v1);
2649	>	try {
2650	>	assertNull(h1.join());
2651	>	rs[1].assertValue(v1);
2652	>	} catch (CompletionException ok) {
2653	>	checkCompletedWithWrappedException(h1, ex);
2654	>	rs[1].assertNotInvoked();
2655		}
2656	<	}
2657	<
2658	<	/**
2659	<	* acceptEither result completes exceptionally if action does
2660	<	*/
2661	<	public void testAcceptEither_actionFailed1() {
2662	<	for (ExecutionMode m : ExecutionMode.values())
2663	<	for (Integer v1 : new Integer[] { 1, null })
2664	<	for (Integer v2 : new Integer[] { 2, null }) {
2665	<
2666	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2667	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2668	<	final FailingConsumer r = new FailingConsumer();
2342	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2343	<
2344	<	f.complete(v1);
2345	<	checkCompletedWithWrappedCFException(h);
2346	<	g.complete(v2);
2347	<	checkCompletedNormally(f, v1);
2348	<	checkCompletedNormally(g, v2);
2656	>	try {
2657	>	assertNull(h2.join());
2658	>	rs[2].assertValue(v1);
2659	>	} catch (CompletionException ok) {
2660	>	checkCompletedWithWrappedException(h2, ex);
2661	>	rs[2].assertNotInvoked();
2662	>	}
2663	>	try {
2664	>	assertNull(h3.join());
2665	>	rs[3].assertValue(v1);
2666	>	} catch (CompletionException ok) {
2667	>	checkCompletedWithWrappedException(h3, ex);
2668	>	rs[3].assertNotInvoked();
2669		}
2350	–	}
2351	–
2352	–	public void testAcceptEither_actionFailed2() {
2353	–	for (ExecutionMode m : ExecutionMode.values())
2354	–	for (Integer v1 : new Integer[] { 1, null })
2355	–	for (Integer v2 : new Integer[] { 2, null }) {
2356	–
2357	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2358	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2359	–	final FailingConsumer r = new FailingConsumer();
2360	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2670
2362	–	g.complete(v2);
2363	–	checkCompletedWithWrappedCFException(h);
2364	–	f.complete(v1);
2671		checkCompletedNormally(f, v1);
2672	<	checkCompletedNormally(g, v2);
2673	<	}
2368	<	}
2672	>	checkCompletedExceptionally(g, ex);
2673	>	}}
2674
2675		/**
2676		* acceptEither result completes exceptionally if either source cancelled
2677		*/
2678	<	public void testAcceptEither_sourceCancelled1() {
2374	<	for (ExecutionMode m : ExecutionMode.values())
2375	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2376	<	for (Integer v1 : new Integer[] { 1, null }) {
2377	<
2378	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2379	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2380	<	final IncAction r = new IncAction();
2381	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2382	<
2383	<	assertTrue(f.cancel(mayInterruptIfRunning));
2384	<	checkCompletedWithWrappedCancellationException(h);
2385	<	g.complete(v1);
2386	<
2387	<	checkCancelled(f);
2388	<	assertEquals(r.invocationCount, 0);
2389	<	checkCompletedNormally(g, v1);
2390	<	checkCompletedWithWrappedCancellationException(h);
2391	<	}
2392	<	}
2393	<
2394	<	public void testAcceptEither_sourceCancelled2() {
2678	>	public void testAcceptEither_sourceCancelled() {
2679		for (ExecutionMode m : ExecutionMode.values())
2680		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2681	<	for (Integer v1 : new Integer[] { 1, null }) {
2682	<
2681	>	for (Integer v1 : new Integer[] { 1, null })
2682	>	{
2683		final CompletableFuture<Integer> f = new CompletableFuture<>();
2684		final CompletableFuture<Integer> g = new CompletableFuture<>();
2685	<	final IncAction r = new IncAction();
2686	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2403	<
2404	<	assertTrue(g.cancel(mayInterruptIfRunning));
2405	<	checkCompletedWithWrappedCancellationException(h);
2406	<	f.complete(v1);
2407	<
2408	<	checkCancelled(g);
2409	<	assertEquals(r.invocationCount, 0);
2410	<	checkCompletedNormally(f, v1);
2411	<	checkCompletedWithWrappedCancellationException(h);
2412	<	}
2413	<	}
2685	>	final NoopConsumer[] rs = new NoopConsumer[6];
2686	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2687
2688	<	public void testAcceptEither_sourceCancelled3() {
2689	<	for (ExecutionMode m : ExecutionMode.values())
2690	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2691	<	for (Integer v1 : new Integer[] { 1, null }) {
2688	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2689	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2690	>	checkIncomplete(h0);
2691	>	checkIncomplete(h1);
2692	>	rs[0].assertNotInvoked();
2693	>	rs[1].assertNotInvoked();
2694	>	f.cancel(mayInterruptIfRunning);
2695	>	checkCompletedWithWrappedCancellationException(h0);
2696	>	checkCompletedWithWrappedCancellationException(h1);
2697	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2698	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2699	>	checkCompletedWithWrappedCancellationException(h2);
2700	>	checkCompletedWithWrappedCancellationException(h3);
2701
2702	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2421	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2422	<	final IncAction r = new IncAction();
2423	<
2424	<	assertTrue(g.cancel(mayInterruptIfRunning));
2425	<	f.complete(v1);
2426	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2702	>	g.complete(v1);
2703
2704	<	// unspecified behavior
2705	<	Integer v;
2704	>	// unspecified behavior - both source completions available
2705	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2706	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2707		try {
2708	<	assertEquals(h.join(), null);
2709	<	assertEquals(r.invocationCount, 1);
2433	<	assertEquals(inc(v1), r.value);
2708	>	assertNull(h4.join());
2709	>	rs[4].assertValue(v1);
2710		} catch (CompletionException ok) {
2711	<	checkCompletedWithWrappedCancellationException(h);
2712	<	assertEquals(r.invocationCount, 0);
2711	>	checkCompletedWithWrappedCancellationException(h4);
2712	>	rs[4].assertNotInvoked();
2713		}
2438	–
2439	–	checkCancelled(g);
2440	–	checkCompletedNormally(f, v1);
2441	–	}
2442	–	}
2443	–
2444	–	public void testAcceptEither_sourceCancelled4() {
2445	–	for (ExecutionMode m : ExecutionMode.values())
2446	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2447	–	for (Integer v1 : new Integer[] { 1, null }) {
2448	–
2449	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2450	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2451	–	final IncAction r = new IncAction();
2452	–
2453	–	assertTrue(f.cancel(mayInterruptIfRunning));
2454	–	g.complete(v1);
2455	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2456	–
2457	–	// unspecified behavior
2458	–	Integer v;
2714		try {
2715	<	assertEquals(h.join(), null);
2716	<	assertEquals(r.invocationCount, 1);
2462	<	assertEquals(inc(v1), r.value);
2715	>	assertNull(h5.join());
2716	>	rs[5].assertValue(v1);
2717		} catch (CompletionException ok) {
2718	<	checkCompletedWithWrappedCancellationException(h);
2719	<	assertEquals(r.invocationCount, 0);
2718	>	checkCompletedWithWrappedCancellationException(h5);
2719	>	rs[5].assertNotInvoked();
2720		}
2721
2722		checkCancelled(f);
2723		checkCompletedNormally(g, v1);
2724	<	}
2725	<	}
2724	>	checkCompletedWithWrappedCancellationException(h0);
2725	>	checkCompletedWithWrappedCancellationException(h1);
2726	>	checkCompletedWithWrappedCancellationException(h2);
2727	>	checkCompletedWithWrappedCancellationException(h3);
2728	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2729	>	}}
2730
2731		/**
2732	<	* runAfterEither result completes normally after normal completion
2475	<	* of either source
2732	>	* acceptEither result completes exceptionally if action does
2733		*/
2734	<	public void testRunAfterEither_normalCompletion1() {
2734	>	public void testAcceptEither_actionFailed() {
2735		for (ExecutionMode m : ExecutionMode.values())
2736		for (Integer v1 : new Integer[] { 1, null })
2737	<	for (Integer v2 : new Integer[] { 2, null }) {
2738	<
2737	>	for (Integer v2 : new Integer[] { 2, null })
2738	>	{
2739		final CompletableFuture<Integer> f = new CompletableFuture<>();
2740		final CompletableFuture<Integer> g = new CompletableFuture<>();
2741	<	final Noop r = new Noop();
2742	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2741	>	final FailingConsumer[] rs = new FailingConsumer[6];
2742	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2743	>
2744	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2745	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2746	>	f.complete(v1);
2747	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2748	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2749	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2750	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2751	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2752	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2753	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2754
2487	–	f.complete(v1);
2488	–	checkCompletedNormally(h, null);
2489	–	assertEquals(r.invocationCount, 1);
2755		g.complete(v2);
2756
2757	+	// unspecified behavior - both source completions available
2758	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2759	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2760	+
2761	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2762	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2763	+	Objects.equals(v2, rs[4].value));
2764	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2765	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2766	+	Objects.equals(v2, rs[5].value));
2767	+
2768		checkCompletedNormally(f, v1);
2769		checkCompletedNormally(g, v2);
2770	<	checkCompletedNormally(h, null);
2495	<	assertEquals(r.invocationCount, 1);
2496	<	}
2497	<	}
2770	>	}}
2771
2772	<	public void testRunAfterEither_normalCompletion2() {
2772	>	/**
2773	>	* runAfterEither result completes normally after normal completion
2774	>	* of either source
2775	>	*/
2776	>	public void testRunAfterEither_normalCompletion() {
2777		for (ExecutionMode m : ExecutionMode.values())
2778		for (Integer v1 : new Integer[] { 1, null })
2779	<	for (Integer v2 : new Integer[] { 2, null }) {
2780	<
2781	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2782	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2783	<	final Noop r = new Noop();
2784	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2779	>	for (Integer v2 : new Integer[] { 2, null })
2780	>	for (boolean pushNop : new boolean[] { true, false })
2781	>	{
2782	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2783	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2784	>	final Noop[] rs = new Noop[6];
2785	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2786	>
2787	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2788	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2789	>	checkIncomplete(h0);
2790	>	checkIncomplete(h1);
2791	>	rs[0].assertNotInvoked();
2792	>	rs[1].assertNotInvoked();
2793	>	if (pushNop) {          // ad hoc test of intra-completion interference
2794	>	m.thenRun(f, () -> {});
2795	>	m.thenRun(g, () -> {});
2796	>	}
2797	>	f.complete(v1);
2798	>	checkCompletedNormally(h0, null);
2799	>	checkCompletedNormally(h1, null);
2800	>	rs[0].assertInvoked();
2801	>	rs[1].assertInvoked();
2802	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2803	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2804	>	checkCompletedNormally(h2, null);
2805	>	checkCompletedNormally(h3, null);
2806	>	rs[2].assertInvoked();
2807	>	rs[3].assertInvoked();
2808
2809		g.complete(v2);
2510	–	checkCompletedNormally(h, null);
2511	–	assertEquals(r.invocationCount, 1);
2512	–	f.complete(v1);
2810
2811	<	checkCompletedNormally(f, v1);
2812	<	checkCompletedNormally(g, v2);
2516	<	checkCompletedNormally(h, null);
2517	<	assertEquals(r.invocationCount, 1);
2518	<	}
2519	<	}
2520	<	public void testRunAfterEither_normalCompletion3() {
2521	<	for (ExecutionMode m : ExecutionMode.values())
2522	<	for (Integer v1 : new Integer[] { 1, null })
2523	<	for (Integer v2 : new Integer[] { 2, null }) {
2811	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2812	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2813
2525	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2526	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2527	–	final Noop r = new Noop();
2528	–
2529	–	f.complete(v1);
2530	–	g.complete(v2);
2531	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2532	–
2533	–	checkCompletedNormally(h, null);
2814		checkCompletedNormally(f, v1);
2815		checkCompletedNormally(g, v2);
2816	<	assertEquals(r.invocationCount, 1);
2817	<	}
2818	<	}
2816	>	checkCompletedNormally(h0, null);
2817	>	checkCompletedNormally(h1, null);
2818	>	checkCompletedNormally(h2, null);
2819	>	checkCompletedNormally(h3, null);
2820	>	checkCompletedNormally(h4, null);
2821	>	checkCompletedNormally(h5, null);
2822	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2823	>	}}
2824
2825		/**
2826		* runAfterEither result completes exceptionally after exceptional
2827		* completion of either source
2828		*/
2829	<	public void testRunAfterEither_exceptionalCompletion1() {
2829	>	public void testRunAfterEither_exceptionalCompletion() {
2830		for (ExecutionMode m : ExecutionMode.values())
2831	<	for (Integer v1 : new Integer[] { 1, null }) {
2832	<
2831	>	for (Integer v1 : new Integer[] { 1, null })
2832	>	{
2833		final CompletableFuture<Integer> f = new CompletableFuture<>();
2834		final CompletableFuture<Integer> g = new CompletableFuture<>();
2550	–	final Noop r = new Noop();
2551	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2835		final CFException ex = new CFException();
2836	+	final Noop[] rs = new Noop[6];
2837	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2838
2839	<	f.completeExceptionally(ex);
2840	<	checkCompletedWithWrappedCFException(h, ex);
2841	<	g.complete(v1);
2839	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2840	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2841	>	checkIncomplete(h0);
2842	>	checkIncomplete(h1);
2843	>	rs[0].assertNotInvoked();
2844	>	rs[1].assertNotInvoked();
2845	>	assertTrue(f.completeExceptionally(ex));
2846	>	checkCompletedWithWrappedException(h0, ex);
2847	>	checkCompletedWithWrappedException(h1, ex);
2848	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2849	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2850	>	checkCompletedWithWrappedException(h2, ex);
2851	>	checkCompletedWithWrappedException(h3, ex);
2852	>
2853	>	assertTrue(g.complete(v1));
2854	>
2855	>	// unspecified behavior - both source completions available
2856	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2857	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2858	>	try {
2859	>	assertNull(h4.join());
2860	>	rs[4].assertInvoked();
2861	>	} catch (CompletionException ok) {
2862	>	checkCompletedWithWrappedException(h4, ex);
2863	>	rs[4].assertNotInvoked();
2864	>	}
2865	>	try {
2866	>	assertNull(h5.join());
2867	>	rs[5].assertInvoked();
2868	>	} catch (CompletionException ok) {
2869	>	checkCompletedWithWrappedException(h5, ex);
2870	>	rs[5].assertNotInvoked();
2871	>	}
2872
2873	<	assertEquals(r.invocationCount, 0);
2873	>	checkCompletedExceptionally(f, ex);
2874		checkCompletedNormally(g, v1);
2875	<	checkCompletedWithWrappedCFException(f, ex);
2876	<	checkCompletedWithWrappedCFException(h, ex);
2877	<	}
2878	<	}
2875	>	checkCompletedWithWrappedException(h0, ex);
2876	>	checkCompletedWithWrappedException(h1, ex);
2877	>	checkCompletedWithWrappedException(h2, ex);
2878	>	checkCompletedWithWrappedException(h3, ex);
2879	>	checkCompletedWithWrappedException(h4, ex);
2880	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2881	>	}}
2882
2883		public void testRunAfterEither_exceptionalCompletion2() {
2884		for (ExecutionMode m : ExecutionMode.values())
2885	<	for (Integer v1 : new Integer[] { 1, null }) {
2886	<
2887	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2570	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2571	<	final Noop r = new Noop();
2572	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2573	<	final CFException ex = new CFException();
2574	<
2575	<	g.completeExceptionally(ex);
2576	<	checkCompletedWithWrappedCFException(h, ex);
2577	<	f.complete(v1);
2578	<
2579	<	assertEquals(r.invocationCount, 0);
2580	<	checkCompletedNormally(f, v1);
2581	<	checkCompletedWithWrappedCFException(g, ex);
2582	<	checkCompletedWithWrappedCFException(h, ex);
2583	<	}
2584	<	}
2585	<
2586	<	public void testRunAfterEither_exceptionalCompletion3() {
2587	<	for (ExecutionMode m : ExecutionMode.values())
2588	<	for (Integer v1 : new Integer[] { 1, null }) {
2589	<
2885	>	for (boolean fFirst : new boolean[] { true, false })
2886	>	for (Integer v1 : new Integer[] { 1, null })
2887	>	{
2888		final CompletableFuture<Integer> f = new CompletableFuture<>();
2889		final CompletableFuture<Integer> g = new CompletableFuture<>();
2592	–	final Noop r = new Noop();
2890		final CFException ex = new CFException();
2891	+	final Noop[] rs = new Noop[6];
2892	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2893
2894	<	g.completeExceptionally(ex);
2895	<	f.complete(v1);
2896	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2894	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2895	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2896	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2897	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2898	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2899	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2900
2901	<	// unspecified behavior
2600	<	Integer v;
2901	>	// unspecified behavior - both source completions available
2902		try {
2903	<	assertEquals(h.join(), null);
2904	<	assertEquals(r.invocationCount, 1);
2903	>	assertNull(h0.join());
2904	>	rs[0].assertInvoked();
2905		} catch (CompletionException ok) {
2906	<	checkCompletedWithWrappedCFException(h, ex);
2907	<	assertEquals(r.invocationCount, 0);
2607	<	}
2608	<
2609	<	checkCompletedWithWrappedCFException(g, ex);
2610	<	checkCompletedNormally(f, v1);
2906	>	checkCompletedWithWrappedException(h0, ex);
2907	>	rs[0].assertNotInvoked();
2908		}
2612	–	}
2613	–
2614	–	public void testRunAfterEither_exceptionalCompletion4() {
2615	–	for (ExecutionMode m : ExecutionMode.values())
2616	–	for (Integer v1 : new Integer[] { 1, null }) {
2617	–
2618	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2619	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2620	–	final Noop r = new Noop();
2621	–	final CFException ex = new CFException();
2622	–
2623	–	f.completeExceptionally(ex);
2624	–	g.complete(v1);
2625	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2626	–
2627	–	// unspecified behavior
2628	–	Integer v;
2909		try {
2910	<	assertEquals(h.join(), null);
2911	<	assertEquals(r.invocationCount, 1);
2910	>	assertNull(h1.join());
2911	>	rs[1].assertInvoked();
2912		} catch (CompletionException ok) {
2913	<	checkCompletedWithWrappedCFException(h, ex);
2914	<	assertEquals(r.invocationCount, 0);
2913	>	checkCompletedWithWrappedException(h1, ex);
2914	>	rs[1].assertNotInvoked();
2915		}
2916	<
2917	<	checkCompletedWithWrappedCFException(f, ex);
2918	<	checkCompletedNormally(g, v1);
2916	>	try {
2917	>	assertNull(h2.join());
2918	>	rs[2].assertInvoked();
2919	>	} catch (CompletionException ok) {
2920	>	checkCompletedWithWrappedException(h2, ex);
2921	>	rs[2].assertNotInvoked();
2922		}
2923	<	}
2924	<
2925	<	/**
2926	<	* runAfterEither result completes exceptionally if action does
2927	<	*/
2928	<	public void testRunAfterEither_actionFailed1() {
2646	<	for (ExecutionMode m : ExecutionMode.values())
2647	<	for (Integer v1 : new Integer[] { 1, null })
2648	<	for (Integer v2 : new Integer[] { 2, null }) {
2649	<
2650	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2651	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2652	<	final FailingNoop r = new FailingNoop();
2653	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2654	<
2655	<	f.complete(v1);
2656	<	checkCompletedWithWrappedCFException(h);
2657	<	g.complete(v2);
2658	<	checkCompletedNormally(f, v1);
2659	<	checkCompletedNormally(g, v2);
2923	>	try {
2924	>	assertNull(h3.join());
2925	>	rs[3].assertInvoked();
2926	>	} catch (CompletionException ok) {
2927	>	checkCompletedWithWrappedException(h3, ex);
2928	>	rs[3].assertNotInvoked();
2929		}
2661	–	}
2662	–
2663	–	public void testRunAfterEither_actionFailed2() {
2664	–	for (ExecutionMode m : ExecutionMode.values())
2665	–	for (Integer v1 : new Integer[] { 1, null })
2666	–	for (Integer v2 : new Integer[] { 2, null }) {
2667	–
2668	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2669	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2670	–	final FailingNoop r = new FailingNoop();
2671	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2930
2673	–	g.complete(v2);
2674	–	checkCompletedWithWrappedCFException(h);
2675	–	f.complete(v1);
2931		checkCompletedNormally(f, v1);
2932	<	checkCompletedNormally(g, v2);
2933	<	}
2679	<	}
2932	>	checkCompletedExceptionally(g, ex);
2933	>	}}
2934
2935		/**
2936		* runAfterEither result completes exceptionally if either source cancelled
2937		*/
2938	<	public void testRunAfterEither_sourceCancelled1() {
2938	>	public void testRunAfterEither_sourceCancelled() {
2939		for (ExecutionMode m : ExecutionMode.values())
2940		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2941	<	for (Integer v1 : new Integer[] { 1, null }) {
2942	<
2689	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2690	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2691	<	final Noop r = new Noop();
2692	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2693	<
2694	<	assertTrue(f.cancel(mayInterruptIfRunning));
2695	<	checkCompletedWithWrappedCancellationException(h);
2696	<	g.complete(v1);
2697	<
2698	<	checkCancelled(f);
2699	<	assertEquals(r.invocationCount, 0);
2700	<	checkCompletedNormally(g, v1);
2701	<	checkCompletedWithWrappedCancellationException(h);
2702	<	}
2703	<	}
2704	<
2705	<	public void testRunAfterEither_sourceCancelled2() {
2706	<	for (ExecutionMode m : ExecutionMode.values())
2707	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2708	<	for (Integer v1 : new Integer[] { 1, null }) {
2709	<
2941	>	for (Integer v1 : new Integer[] { 1, null })
2942	>	{
2943		final CompletableFuture<Integer> f = new CompletableFuture<>();
2944		final CompletableFuture<Integer> g = new CompletableFuture<>();
2945	<	final Noop r = new Noop();
2946	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2945	>	final Noop[] rs = new Noop[6];
2946	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2947
2948	<	assertTrue(g.cancel(mayInterruptIfRunning));
2949	<	checkCompletedWithWrappedCancellationException(h);
2950	<	f.complete(v1);
2951	<
2952	<	checkCancelled(g);
2953	<	assertEquals(r.invocationCount, 0);
2954	<	checkCompletedNormally(f, v1);
2955	<	checkCompletedWithWrappedCancellationException(h);
2948	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2949	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2950	>	checkIncomplete(h0);
2951	>	checkIncomplete(h1);
2952	>	rs[0].assertNotInvoked();
2953	>	rs[1].assertNotInvoked();
2954	>	f.cancel(mayInterruptIfRunning);
2955	>	checkCompletedWithWrappedCancellationException(h0);
2956	>	checkCompletedWithWrappedCancellationException(h1);
2957	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2958	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2959	>	checkCompletedWithWrappedCancellationException(h2);
2960	>	checkCompletedWithWrappedCancellationException(h3);
2961	>
2962	>	assertTrue(g.complete(v1));
2963	>
2964	>	// unspecified behavior - both source completions available
2965	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2966	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2967	>	try {
2968	>	assertNull(h4.join());
2969	>	rs[4].assertInvoked();
2970	>	} catch (CompletionException ok) {
2971	>	checkCompletedWithWrappedCancellationException(h4);
2972	>	rs[4].assertNotInvoked();
2973		}
2724	–	}
2725	–
2726	–	public void testRunAfterEither_sourceCancelled3() {
2727	–	for (ExecutionMode m : ExecutionMode.values())
2728	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2729	–	for (Integer v1 : new Integer[] { 1, null }) {
2730	–
2731	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2732	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2733	–	final Noop r = new Noop();
2734	–
2735	–	assertTrue(g.cancel(mayInterruptIfRunning));
2736	–	f.complete(v1);
2737	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2738	–
2739	–	// unspecified behavior
2740	–	Integer v;
2974		try {
2975	<	assertEquals(h.join(), null);
2976	<	assertEquals(r.invocationCount, 1);
2975	>	assertNull(h5.join());
2976	>	rs[5].assertInvoked();
2977		} catch (CompletionException ok) {
2978	<	checkCompletedWithWrappedCancellationException(h);
2979	<	assertEquals(r.invocationCount, 0);
2978	>	checkCompletedWithWrappedCancellationException(h5);
2979	>	rs[5].assertNotInvoked();
2980		}
2981
2982	<	checkCancelled(g);
2983	<	checkCompletedNormally(f, v1);
2984	<	}
2985	<	}
2982	>	checkCancelled(f);
2983	>	checkCompletedNormally(g, v1);
2984	>	checkCompletedWithWrappedCancellationException(h0);
2985	>	checkCompletedWithWrappedCancellationException(h1);
2986	>	checkCompletedWithWrappedCancellationException(h2);
2987	>	checkCompletedWithWrappedCancellationException(h3);
2988	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2989	>	}}
2990
2991	<	public void testRunAfterEither_sourceCancelled4() {
2991	>	/**
2992	>	* runAfterEither result completes exceptionally if action does
2993	>	*/
2994	>	public void testRunAfterEither_actionFailed() {
2995		for (ExecutionMode m : ExecutionMode.values())
2996	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2997	<	for (Integer v1 : new Integer[] { 1, null }) {
2998	<
2996	>	for (Integer v1 : new Integer[] { 1, null })
2997	>	for (Integer v2 : new Integer[] { 2, null })
2998	>	{
2999		final CompletableFuture<Integer> f = new CompletableFuture<>();
3000		final CompletableFuture<Integer> g = new CompletableFuture<>();
3001	<	final Noop r = new Noop();
3002	<
2763	<	assertTrue(f.cancel(mayInterruptIfRunning));
2764	<	g.complete(v1);
2765	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3001	>	final FailingRunnable[] rs = new FailingRunnable[6];
3002	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3003
3004	<	// unspecified behavior
3005	<	Integer v;
3006	<	try {
3007	<	assertEquals(h.join(), null);
3008	<	assertEquals(r.invocationCount, 1);
3009	<	} catch (CompletionException ok) {
3010	<	checkCompletedWithWrappedCancellationException(h);
3011	<	assertEquals(r.invocationCount, 0);
3012	<	}
3004	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3005	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3006	>	assertTrue(f.complete(v1));
3007	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3008	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3009	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3010	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3011	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3012	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3013	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3014	>	assertTrue(g.complete(v2));
3015	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3016	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3017	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3018	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3019
3020	<	checkCancelled(f);
3021	<	checkCompletedNormally(g, v1);
3022	<	}
3023	<	}
3020	>	checkCompletedNormally(f, v1);
3021	>	checkCompletedNormally(g, v2);
3022	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3023	>	}}
3024
3025		/**
3026		* thenCompose result completes normally after normal completion of source
3027		*/
3028	<	public void testThenCompose() {
3029	<	CompletableFuture<Integer> f, g;
3030	<	CompletableFutureInc r;
3031	<
3032	<	f = new CompletableFuture<>();
3033	<	g = f.thenCompose(r = new CompletableFutureInc());
3034	<	f.complete(one);
3035	<	checkCompletedNormally(g, two);
3036	<	assertTrue(r.ran);
3028	>	public void testThenCompose_normalCompletion() {
3029	>	for (ExecutionMode m : ExecutionMode.values())
3030	>	for (boolean createIncomplete : new boolean[] { true, false })
3031	>	for (Integer v1 : new Integer[] { 1, null })
3032	>	{
3033	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3034	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3035	>	if (!createIncomplete) assertTrue(f.complete(v1));
3036	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3037	>	if (createIncomplete) assertTrue(f.complete(v1));
3038
3039	<	f = new CompletableFuture<>();
3040	<	f.complete(one);
3041	<	g = f.thenCompose(r = new CompletableFutureInc());
3042	<	checkCompletedNormally(g, two);
2799	<	assertTrue(r.ran);
2800	<	}
3039	>	checkCompletedNormally(g, inc(v1));
3040	>	checkCompletedNormally(f, v1);
3041	>	r.assertValue(v1);
3042	>	}}
3043
3044		/**
3045		* thenCompose result completes exceptionally after exceptional
3046		* completion of source
3047		*/
3048	<	public void testThenCompose2() {
3049	<	CompletableFuture<Integer> f, g;
3050	<	CompletableFutureInc r;
3051	<
3052	<	f = new CompletableFuture<>();
3053	<	g = f.thenCompose(r = new CompletableFutureInc());
3054	<	f.completeExceptionally(new CFException());
3055	<	checkCompletedWithWrappedCFException(g);
3056	<
3057	<	f = new CompletableFuture<>();
3058	<	f.completeExceptionally(new CFException());
3059	<	g = f.thenCompose(r = new CompletableFutureInc());
3060	<	checkCompletedWithWrappedCFException(g);
3061	<	}
3048	>	public void testThenCompose_exceptionalCompletion() {
3049	>	for (ExecutionMode m : ExecutionMode.values())
3050	>	for (boolean createIncomplete : new boolean[] { true, false })
3051	>	{
3052	>	final CFException ex = new CFException();
3053	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3054	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3055	>	if (!createIncomplete) f.completeExceptionally(ex);
3056	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3057	>	if (createIncomplete) f.completeExceptionally(ex);
3058	>
3059	>	checkCompletedWithWrappedException(g, ex);
3060	>	checkCompletedExceptionally(f, ex);
3061	>	r.assertNotInvoked();
3062	>	}}
3063
3064		/**
3065		* thenCompose result completes exceptionally if action does
3066		*/
3067	<	public void testThenCompose3() {
3068	<	CompletableFuture<Integer> f, g;
3069	<	FailingCompletableFutureFunction r;
3070	<
3071	<	f = new CompletableFuture<>();
3072	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3073	<	f.complete(one);
3074	<	checkCompletedWithWrappedCFException(g);
3067	>	public void testThenCompose_actionFailed() {
3068	>	for (ExecutionMode m : ExecutionMode.values())
3069	>	for (boolean createIncomplete : new boolean[] { true, false })
3070	>	for (Integer v1 : new Integer[] { 1, null })
3071	>	{
3072	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3073	>	final FailingCompletableFutureFunction r
3074	>	= new FailingCompletableFutureFunction(m);
3075	>	if (!createIncomplete) assertTrue(f.complete(v1));
3076	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3077	>	if (createIncomplete) assertTrue(f.complete(v1));
3078
3079	<	f = new CompletableFuture<>();
3080	<	f.complete(one);
3081	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2836	<	checkCompletedWithWrappedCFException(g);
2837	<	}
3079	>	checkCompletedWithWrappedException(g, r.ex);
3080	>	checkCompletedNormally(f, v1);
3081	>	}}
3082
3083		/**
3084		* thenCompose result completes exceptionally if source cancelled
3085		*/
3086	<	public void testThenCompose4() {
3087	<	CompletableFuture<Integer> f, g;
3088	<	CompletableFutureInc r;
3089	<
3090	<	f = new CompletableFuture<>();
3091	<	g = f.thenCompose(r = new CompletableFutureInc());
3092	<	assertTrue(f.cancel(true));
3093	<	checkCompletedWithWrappedCancellationException(g);
3094	<
3095	<	f = new CompletableFuture<>();
3096	<	assertTrue(f.cancel(true));
3097	<	g = f.thenCompose(r = new CompletableFutureInc());
3098	<	checkCompletedWithWrappedCancellationException(g);
2855	<	}
2856	<
2857	<	// asyncs
2858	<
2859	<	/**
2860	<	* thenRunAsync result completes normally after normal completion of source
2861	<	*/
2862	<	public void testThenRunAsync() {
2863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2864	<	Noop r = new Noop();
2865	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2866	<	f.complete(null);
2867	<	checkCompletedNormally(g, null);
2868	<
2869	<	// reordered version
2870	<	f = new CompletableFuture<>();
2871	<	f.complete(null);
2872	<	r = new Noop();
2873	<	g = f.thenRunAsync(r);
2874	<	checkCompletedNormally(g, null);
2875	<	}
2876	<
2877	<	/**
2878	<	* thenRunAsync result completes exceptionally after exceptional
2879	<	* completion of source
2880	<	*/
2881	<	public void testThenRunAsync2() {
2882	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2883	<	Noop r = new Noop();
2884	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2885	<	f.completeExceptionally(new CFException());
2886	<	try {
2887	<	g.join();
2888	<	shouldThrow();
2889	<	} catch (CompletionException success) {}
2890	<	checkCompletedWithWrappedCFException(g);
2891	<	}
2892	<
2893	<	/**
2894	<	* thenRunAsync result completes exceptionally if action does
2895	<	*/
2896	<	public void testThenRunAsync3() {
2897	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2898	<	FailingNoop r = new FailingNoop();
2899	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2900	<	f.complete(null);
2901	<	checkCompletedWithWrappedCFException(g);
2902	<	}
2903	<
2904	<	/**
2905	<	* thenRunAsync result completes exceptionally if source cancelled
2906	<	*/
2907	<	public void testThenRunAsync4() {
2908	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2909	<	Noop r = new Noop();
2910	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2911	<	assertTrue(f.cancel(true));
2912	<	checkCompletedWithWrappedCancellationException(g);
2913	<	}
2914	<
2915	<	/**
2916	<	* thenApplyAsync result completes normally after normal completion of source
2917	<	*/
2918	<	public void testThenApplyAsync() {
2919	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2920	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2921	<	f.complete(one);
2922	<	checkCompletedNormally(g, two);
2923	<	}
2924	<
2925	<	/**
2926	<	* thenApplyAsync result completes exceptionally after exceptional
2927	<	* completion of source
2928	<	*/
2929	<	public void testThenApplyAsync2() {
2930	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2931	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2932	<	f.completeExceptionally(new CFException());
2933	<	checkCompletedWithWrappedCFException(g);
2934	<	}
2935	<
2936	<	/**
2937	<	* thenApplyAsync result completes exceptionally if action does
2938	<	*/
2939	<	public void testThenApplyAsync3() {
2940	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2941	<	FailingFunction r = new FailingFunction();
2942	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2943	<	f.complete(null);
2944	<	checkCompletedWithWrappedCFException(g);
2945	<	}
2946	<
2947	<	/**
2948	<	* thenApplyAsync result completes exceptionally if source cancelled
2949	<	*/
2950	<	public void testThenApplyAsync4() {
2951	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2952	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2953	<	assertTrue(f.cancel(true));
2954	<	checkCompletedWithWrappedCancellationException(g);
2955	<	}
2956	<
2957	<	/**
2958	<	* thenAcceptAsync result completes normally after normal
2959	<	* completion of source
2960	<	*/
2961	<	public void testThenAcceptAsync() {
2962	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2963	<	IncAction r = new IncAction();
2964	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2965	<	f.complete(one);
2966	<	checkCompletedNormally(g, null);
2967	<	assertEquals(r.value, (Integer) 2);
2968	<	}
2969	<
2970	<	/**
2971	<	* thenAcceptAsync result completes exceptionally after exceptional
2972	<	* completion of source
2973	<	*/
2974	<	public void testThenAcceptAsync2() {
2975	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2976	<	IncAction r = new IncAction();
2977	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2978	<	f.completeExceptionally(new CFException());
2979	<	checkCompletedWithWrappedCFException(g);
2980	<	}
2981	<
2982	<	/**
2983	<	* thenAcceptAsync result completes exceptionally if action does
2984	<	*/
2985	<	public void testThenAcceptAsync3() {
2986	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2987	<	FailingConsumer r = new FailingConsumer();
2988	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2989	<	f.complete(null);
2990	<	checkCompletedWithWrappedCFException(g);
2991	<	}
2992	<
2993	<	/**
2994	<	* thenAcceptAsync result completes exceptionally if source cancelled
2995	<	*/
2996	<	public void testThenAcceptAsync4() {
2997	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2998	<	IncAction r = new IncAction();
2999	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3000	<	assertTrue(f.cancel(true));
3001	<	checkCompletedWithWrappedCancellationException(g);
3002	<	}
3003	<
3004	<	/**
3005	<	* thenComposeAsync result completes normally after normal
3006	<	* completion of source
3007	<	*/
3008	<	public void testThenComposeAsync() {
3009	<	CompletableFuture<Integer> f, g;
3010	<	CompletableFutureInc r;
3011	<
3012	<	f = new CompletableFuture<>();
3013	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3014	<	f.complete(one);
3015	<	checkCompletedNormally(g, two);
3016	<
3017	<	f = new CompletableFuture<>();
3018	<	f.complete(one);
3019	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3020	<	checkCompletedNormally(g, two);
3021	<	}
3022	<
3023	<	/**
3024	<	* thenComposeAsync result completes exceptionally after
3025	<	* exceptional completion of source
3026	<	*/
3027	<	public void testThenComposeAsync2() {
3028	<	CompletableFuture<Integer> f, g;
3029	<	CompletableFutureInc r;
3030	<
3031	<	f = new CompletableFuture<>();
3032	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3033	<	f.completeExceptionally(new CFException());
3034	<	checkCompletedWithWrappedCFException(g);
3035	<	assertFalse(r.ran);
3036	<
3037	<	f = new CompletableFuture<>();
3038	<	f.completeExceptionally(new CFException());
3039	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3040	<	checkCompletedWithWrappedCFException(g);
3041	<	assertFalse(r.ran);
3042	<	}
3043	<
3044	<	/**
3045	<	* thenComposeAsync result completes exceptionally if action does
3046	<	*/
3047	<	public void testThenComposeAsync3() {
3048	<	CompletableFuture<Integer> f, g;
3049	<	FailingCompletableFutureFunction r;
3050	<
3051	<	f = new CompletableFuture<>();
3052	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3053	<	f.complete(one);
3054	<	checkCompletedWithWrappedCFException(g);
3055	<
3056	<	f = new CompletableFuture<>();
3057	<	f.complete(one);
3058	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3059	<	checkCompletedWithWrappedCFException(g);
3060	<	}
3061	<
3062	<	/**
3063	<	* thenComposeAsync result completes exceptionally if source cancelled
3064	<	*/
3065	<	public void testThenComposeAsync4() {
3066	<	CompletableFuture<Integer> f, g;
3067	<	CompletableFutureInc r;
3068	<
3069	<	f = new CompletableFuture<>();
3070	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3071	<	assertTrue(f.cancel(true));
3072	<	checkCompletedWithWrappedCancellationException(g);
3086	>	public void testThenCompose_sourceCancelled() {
3087	>	for (ExecutionMode m : ExecutionMode.values())
3088	>	for (boolean createIncomplete : new boolean[] { true, false })
3089	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3090	>	{
3091	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3092	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3093	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3094	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3095	>	if (createIncomplete) {
3096	>	checkIncomplete(g);
3097	>	assertTrue(f.cancel(mayInterruptIfRunning));
3098	>	}
3099
3074	–	f = new CompletableFuture<>();
3075	–	assertTrue(f.cancel(true));
3076	–	g = f.thenComposeAsync(r = new CompletableFutureInc());
3100		checkCompletedWithWrappedCancellationException(g);
3101	<	}
3102	<
3080	<	// async with explicit executors
3081	<
3082	<	/**
3083	<	* thenRunAsync result completes normally after normal completion of source
3084	<	*/
3085	<	public void testThenRunAsyncE() {
3086	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3087	<	Noop r = new Noop();
3088	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3089	<	f.complete(null);
3090	<	checkCompletedNormally(g, null);
3091	<
3092	<	// reordered version
3093	<	f = new CompletableFuture<>();
3094	<	f.complete(null);
3095	<	r = new Noop();
3096	<	g = f.thenRunAsync(r, new ThreadExecutor());
3097	<	checkCompletedNormally(g, null);
3098	<	}
3099	<
3100	<	/**
3101	<	* thenRunAsync result completes exceptionally after exceptional
3102	<	* completion of source
3103	<	*/
3104	<	public void testThenRunAsync2E() {
3105	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3106	<	Noop r = new Noop();
3107	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3108	<	f.completeExceptionally(new CFException());
3109	<	try {
3110	<	g.join();
3111	<	shouldThrow();
3112	<	} catch (CompletionException success) {}
3113	<	checkCompletedWithWrappedCFException(g);
3114	<	}
3115	<
3116	<	/**
3117	<	* thenRunAsync result completes exceptionally if action does
3118	<	*/
3119	<	public void testThenRunAsync3E() {
3120	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3121	<	FailingNoop r = new FailingNoop();
3122	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3123	<	f.complete(null);
3124	<	checkCompletedWithWrappedCFException(g);
3125	<	}
3126	<
3127	<	/**
3128	<	* thenRunAsync result completes exceptionally if source cancelled
3129	<	*/
3130	<	public void testThenRunAsync4E() {
3131	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3132	<	Noop r = new Noop();
3133	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3134	<	assertTrue(f.cancel(true));
3135	<	checkCompletedWithWrappedCancellationException(g);
3136	<	}
3137	<
3138	<	/**
3139	<	* thenApplyAsync result completes normally after normal completion of source
3140	<	*/
3141	<	public void testThenApplyAsyncE() {
3142	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3143	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3144	<	f.complete(one);
3145	<	checkCompletedNormally(g, two);
3146	<	}
3147	<
3148	<	/**
3149	<	* thenApplyAsync result completes exceptionally after exceptional
3150	<	* completion of source
3151	<	*/
3152	<	public void testThenApplyAsync2E() {
3153	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3154	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3155	<	f.completeExceptionally(new CFException());
3156	<	checkCompletedWithWrappedCFException(g);
3157	<	}
3158	<
3159	<	/**
3160	<	* thenApplyAsync result completes exceptionally if action does
3161	<	*/
3162	<	public void testThenApplyAsync3E() {
3163	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3164	<	FailingFunction r = new FailingFunction();
3165	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3166	<	f.complete(null);
3167	<	checkCompletedWithWrappedCFException(g);
3168	<	}
3101	>	checkCancelled(f);
3102	>	}}
3103
3104		/**
3105	<	* thenApplyAsync result completes exceptionally if source cancelled
3105	>	* thenCompose result completes exceptionally if the result of the action does
3106		*/
3107	<	public void testThenApplyAsync4E() {
3108	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3109	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3110	<	assertTrue(f.cancel(true));
3111	<	checkCompletedWithWrappedCancellationException(g);
3112	<	}
3107	>	public void testThenCompose_actionReturnsFailingFuture() {
3108	>	for (ExecutionMode m : ExecutionMode.values())
3109	>	for (int order = 0; order < 6; order++)
3110	>	for (Integer v1 : new Integer[] { 1, null })
3111	>	{
3112	>	final CFException ex = new CFException();
3113	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3114	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3115	>	final CompletableFuture<Integer> h;
3116	>	// Test all permutations of orders
3117	>	switch (order) {
3118	>	case 0:
3119	>	assertTrue(f.complete(v1));
3120	>	assertTrue(g.completeExceptionally(ex));
3121	>	h = m.thenCompose(f, x -> g);
3122	>	break;
3123	>	case 1:
3124	>	assertTrue(f.complete(v1));
3125	>	h = m.thenCompose(f, x -> g);
3126	>	assertTrue(g.completeExceptionally(ex));
3127	>	break;
3128	>	case 2:
3129	>	assertTrue(g.completeExceptionally(ex));
3130	>	assertTrue(f.complete(v1));
3131	>	h = m.thenCompose(f, x -> g);
3132	>	break;
3133	>	case 3:
3134	>	assertTrue(g.completeExceptionally(ex));
3135	>	h = m.thenCompose(f, x -> g);
3136	>	assertTrue(f.complete(v1));
3137	>	break;
3138	>	case 4:
3139	>	h = m.thenCompose(f, x -> g);
3140	>	assertTrue(f.complete(v1));
3141	>	assertTrue(g.completeExceptionally(ex));
3142	>	break;
3143	>	case 5:
3144	>	h = m.thenCompose(f, x -> g);
3145	>	assertTrue(f.complete(v1));
3146	>	assertTrue(g.completeExceptionally(ex));
3147	>	break;
3148	>	default: throw new AssertionError();
3149	>	}
3150
3151	<	/**
3152	<	* thenAcceptAsync result completes normally after normal
3153	<	* completion of source
3154	<	*/
3184	<	public void testThenAcceptAsyncE() {
3185	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3186	<	IncAction r = new IncAction();
3187	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3188	<	f.complete(one);
3189	<	checkCompletedNormally(g, null);
3190	<	assertEquals(r.value, (Integer) 2);
3191	<	}
3151	>	checkCompletedExceptionally(g, ex);
3152	>	checkCompletedWithWrappedException(h, ex);
3153	>	checkCompletedNormally(f, v1);
3154	>	}}
3155
3156		/**
3157	<	* thenAcceptAsync result completes exceptionally after exceptional
3157	>	* exceptionallyCompose result completes normally after normal
3158		* completion of source
3159		*/
3160	<	public void testThenAcceptAsync2E() {
3161	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3162	<	IncAction r = new IncAction();
3163	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3164	<	f.completeExceptionally(new CFException());
3165	<	checkCompletedWithWrappedCFException(g);
3166	<	}
3167	<
3168	<	/**
3169	<	* thenAcceptAsync result completes exceptionally if action does
3170	<	*/
3208	<	public void testThenAcceptAsync3E() {
3209	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3210	<	FailingConsumer r = new FailingConsumer();
3211	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3212	<	f.complete(null);
3213	<	checkCompletedWithWrappedCFException(g);
3214	<	}
3160	>	public void testExceptionallyCompose_normalCompletion() {
3161	>	for (ExecutionMode m : ExecutionMode.values())
3162	>	for (boolean createIncomplete : new boolean[] { true, false })
3163	>	for (Integer v1 : new Integer[] { 1, null })
3164	>	{
3165	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3166	>	final ExceptionalCompletableFutureFunction r =
3167	>	new ExceptionalCompletableFutureFunction(m);
3168	>	if (!createIncomplete) assertTrue(f.complete(v1));
3169	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3170	>	if (createIncomplete) assertTrue(f.complete(v1));
3171
3172	<	/**
3173	<	* thenAcceptAsync result completes exceptionally if source cancelled
3174	<	*/
3175	<	public void testThenAcceptAsync4E() {
3220	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3221	<	IncAction r = new IncAction();
3222	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3223	<	assertTrue(f.cancel(true));
3224	<	checkCompletedWithWrappedCancellationException(g);
3225	<	}
3172	>	checkCompletedNormally(f, v1);
3173	>	checkCompletedNormally(g, v1);
3174	>	r.assertNotInvoked();
3175	>	}}
3176
3177		/**
3178	<	* thenComposeAsync result completes normally after normal
3178	>	* exceptionallyCompose result completes normally after exceptional
3179		* completion of source
3180		*/
3181	<	public void testThenComposeAsyncE() {
3182	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3183	<	CompletableFutureInc r = new CompletableFutureInc();
3184	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3185	<	f.complete(one);
3186	<	checkCompletedNormally(g, two);
3187	<	}
3181	>	public void testExceptionallyCompose_exceptionalCompletion() {
3182	>	for (ExecutionMode m : ExecutionMode.values())
3183	>	for (boolean createIncomplete : new boolean[] { true, false })
3184	>	{
3185	>	final CFException ex = new CFException();
3186	>	final ExceptionalCompletableFutureFunction r =
3187	>	new ExceptionalCompletableFutureFunction(m);
3188	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3189	>	if (!createIncomplete) f.completeExceptionally(ex);
3190	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3191	>	if (createIncomplete) f.completeExceptionally(ex);
3192
3193	<	/**
3194	<	* thenComposeAsync result completes exceptionally after
3195	<	* exceptional completion of source
3196	<	*/
3243	<	public void testThenComposeAsync2E() {
3244	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3245	<	CompletableFutureInc r = new CompletableFutureInc();
3246	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3247	<	f.completeExceptionally(new CFException());
3248	<	checkCompletedWithWrappedCFException(g);
3249	<	}
3193	>	checkCompletedExceptionally(f, ex);
3194	>	checkCompletedNormally(g, r.value);
3195	>	r.assertInvoked();
3196	>	}}
3197
3198		/**
3199	<	* thenComposeAsync result completes exceptionally if action does
3199	>	* exceptionallyCompose completes exceptionally on exception if action does
3200		*/
3201	<	public void testThenComposeAsync3E() {
3202	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3203	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3204	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3205	<	f.complete(one);
3206	<	checkCompletedWithWrappedCFException(g);
3207	<	}
3208	<
3209	<	/**
3210	<	* thenComposeAsync result completes exceptionally if source cancelled
3211	<	*/
3212	<	public void testThenComposeAsync4E() {
3213	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3214	<	CompletableFutureInc r = new CompletableFutureInc();
3215	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3216	<	assertTrue(f.cancel(true));
3217	<	checkCompletedWithWrappedCancellationException(g);
3218	<	}
3201	>	public void testExceptionallyCompose_actionFailed() {
3202	>	for (ExecutionMode m : ExecutionMode.values())
3203	>	for (boolean createIncomplete : new boolean[] { true, false })
3204	>	{
3205	>	final CFException ex = new CFException();
3206	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3207	>	final FailingExceptionalCompletableFutureFunction r
3208	>	= new FailingExceptionalCompletableFutureFunction(m);
3209	>	if (!createIncomplete) f.completeExceptionally(ex);
3210	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3211	>	if (createIncomplete) f.completeExceptionally(ex);
3212	>
3213	>	checkCompletedExceptionally(f, ex);
3214	>	checkCompletedWithWrappedException(g, r.ex);
3215	>	r.assertInvoked();
3216	>	}}
3217	>
3218	>	/**
3219	>	* exceptionallyCompose result completes exceptionally if the
3220	>	* result of the action does
3221	>	*/
3222	>	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3223	>	for (ExecutionMode m : ExecutionMode.values())
3224	>	for (int order = 0; order < 6; order++)
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		// other static methods
3272
#	Line 3286 | Line 3284 | public class CompletableFutureTest exten
3284		* when all components complete normally
3285		*/
3286		public void testAllOf_normal() throws Exception {
3287	<	for (int k = 1; k < 20; ++k) {
3288	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3289	<	for (int i = 0; i < k; ++i)
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	>	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 = 0; i < k; ++i) {
3310	>	for (int i = k - 1; i >= 0; i--) {
3311		checkIncomplete(f);
3312		checkIncomplete(CompletableFuture.allOf(fs));
3313		fs[i].complete(one);
#	Line 3301 | Line 3317 | public class CompletableFutureTest exten
3317		}
3318		}
3319
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		* anyOf(no component futures) returns an incomplete future
3346		*/
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	<	}
3352	>
3353	>	f.complete(v1);
3354	>	checkCompletedNormally(f, v1);
3355	>	}}
3356
3357		/**
3358		* anyOf returns a future completed normally with a value when
3359		* a component future does
3360		*/
3361		public void testAnyOf_normal() throws Exception {
3362	<	for (int k = 0; k < 10; ++k) {
3362	>	for (int k = 0; k < 10; k++) {
3363		CompletableFuture[] fs = new CompletableFuture[k];
3364	<	for (int i = 0; i < k; ++i)
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(one);
3370	<	checkCompletedNormally(f, one);
3371	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
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	>	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		}
#	Line 3332 | Line 3393 | public class CompletableFutureTest exten
3393		* anyOf result completes exceptionally when any component does.
3394		*/
3395		public void testAnyOf_exceptional() throws Exception {
3396	<	for (int k = 0; k < 10; ++k) {
3396	>	for (int k = 0; k < 10; k++) {
3397		CompletableFuture[] fs = new CompletableFuture[k];
3398	<	for (int i = 0; i < k; ++i)
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(new CFException());
3407	<	checkCompletedWithWrappedCFException(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	>	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		}
#	Line 3349 | Line 3431 | public class CompletableFutureTest exten
3431		/**
3432		* Completion methods throw NullPointerException with null arguments
3433		*/
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;
3356	–	CompletableFuture<?> h;
3439		ThreadExecutor exec = new ThreadExecutor();
3440
3441		Runnable[] throwingActions = {
3442		() -> CompletableFuture.supplyAsync(null),
3443		() -> CompletableFuture.supplyAsync(null, exec),
3444	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3444	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3445
3446		() -> CompletableFuture.runAsync(null),
3447		() -> CompletableFuture.runAsync(null, exec),
#	Line 3369 | Line 3451 | public class CompletableFutureTest exten
3451
3452		() -> f.thenApply(null),
3453		() -> f.thenApplyAsync(null),
3454	<	() -> f.thenApplyAsync((x) -> x, null),
3454	>	() -> f.thenApplyAsync(x -> x, null),
3455		() -> f.thenApplyAsync(null, exec),
3456
3457		() -> f.thenAccept(null),
3458		() -> f.thenAcceptAsync(null),
3459	<	() -> f.thenAcceptAsync((x) -> {} , null),
3459	>	() -> f.thenAcceptAsync(x -> {} , null),
3460		() -> f.thenAcceptAsync(null, exec),
3461
3462		() -> f.thenRun(null),
#	Line 3409 | Line 3491 | public class CompletableFutureTest exten
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),
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		() -> 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),
3502	>	() -> f.acceptEither(nullFuture, x -> {}),
3503	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3504	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3505	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3506
3507		() -> f.runAfterEither(g, null),
3508		() -> f.runAfterEitherAsync(g, null),
#	Line 3432 | Line 3514 | public class CompletableFutureTest exten
3514
3515		() -> f.thenCompose(null),
3516		() -> f.thenComposeAsync(null),
3517	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3517	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3518		() -> f.thenComposeAsync(null, exec),
3519
3520		() -> f.exceptionally(null),
#	Line 3450 | Line 3532 | public class CompletableFutureTest exten
3532		() -> CompletableFuture.anyOf(null, f),
3533
3534		() -> f.obtrudeException(null),
3535	+
3536	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3537	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3538	+	() -> CompletableFuture.delayedExecutor(1L, null),
3539	+
3540	+	() -> f.orTimeout(1L, null),
3541	+	() -> f.completeOnTimeout(42, 1L, null),
3542	+
3543	+	() -> CompletableFuture.failedFuture(null),
3544	+	() -> CompletableFuture.failedStage(null),
3545		};
3546
3547		assertThrows(NullPointerException.class, throwingActions);
#	Line 3457 | Line 3549 | public class CompletableFutureTest exten
3549		}
3550
3551		/**
3552	+	* Test submissions to an executor that rejects all tasks.
3553	+	*/
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	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3597	+
3598	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3599	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3600	+
3601	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3602	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3603	+
3604	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3605	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3606	+
3607	+	for (CompletableFuture<?> future : fs)
3608	+	checkIncomplete(future);
3609	+	futures.addAll(fs);
3610	+	}
3611	+
3612	+	{
3613	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3614	+
3615	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3616	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3617	+
3618	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3619	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3620	+
3621	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3622	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3623	+
3624	+	for (CompletableFuture<?> future : fs)
3625	+	checkCompletedWithWrappedException(future, e.ex);
3626	+	futures.addAll(fs);
3627	+	}
3628	+
3629	+	incomplete.complete(v);
3630	+
3631	+	for (CompletableFuture<?> future : futures)
3632	+	checkCompletedWithWrappedException(future, e.ex);
3633	+
3634	+	assertEquals(futures.size(), e.count.get());
3635	+	}}
3636	+
3637	+	/**
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 testRejectingExecutorNeverInvoked() {
3643	+	for (Integer v : new Integer[] { 1, null })
3644	+	{
3645	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3646	+
3647	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3648	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3649	+
3650	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3651	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3652	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3653	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3654	+
3655	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3656	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3657	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3658	+
3659	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3660	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3661	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3662	+
3663	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3664	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3665	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3666	+
3667	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3668	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3669	+
3670	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3671	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3672	+
3673	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3674	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3675	+
3676	+	for (CompletableFuture<?> future : fs)
3677	+	checkIncomplete(future);
3678	+
3679	+	for (CompletableFuture<?> future : fs)
3680	+	future.complete(null);
3681	+
3682	+	incomplete.complete(v);
3683	+
3684	+	for (CompletableFuture<?> future : fs)
3685	+	checkCompletedNormally(future, null);
3686	+
3687	+	assertEquals(0, e.count.get());
3688	+	}}
3689	+
3690	+	/**
3691		* toCompletableFuture returns this CompletableFuture.
3692		*/
3693		public void testToCompletableFuture() {
#	Line 3464 | Line 3695 | public class CompletableFutureTest exten
3695		assertSame(f, f.toCompletableFuture());
3696		}
3697
3698	+	// jdk9
3699	+
3700		/**
3701	<	* whenComplete action executes on normal completion, propagating
3469	<	* source result.
3701	>	* newIncompleteFuture returns an incomplete CompletableFuture
3702		*/
3703	<	public void testWhenComplete_normalCompletion1() {
3704	<	for (ExecutionMode m : ExecutionMode.values())
3705	<	for (Integer v1 : new Integer[] { 1, null }) {
3706	<
3707	<	final AtomicInteger a = new AtomicInteger();
3708	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3709	<	final CompletableFuture<Integer> g =
3478	<	m.whenComplete(f,
3479	<	(Integer x, Throwable t) -> {
3480	<	threadAssertSame(x, v1);
3481	<	threadAssertNull(t);
3482	<	a.getAndIncrement();
3483	<	});
3703	>	public void testNewIncompleteFuture() {
3704	>	for (Integer v1 : new Integer[] { 1, null })
3705	>	{
3706	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3707	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3708	>	checkIncomplete(f);
3709	>	checkIncomplete(g);
3710		f.complete(v1);
3711		checkCompletedNormally(f, v1);
3712	+	checkIncomplete(g);
3713	+	g.complete(v1);
3714		checkCompletedNormally(g, v1);
3715	<	assertEquals(a.get(), 1);
3715	>	assertSame(g.getClass(), CompletableFuture.class);
3716	>	}}
3717	>
3718	>	/**
3719	>	* completedStage returns a completed CompletionStage
3720	>	*/
3721	>	public void testCompletedStage() {
3722	>	AtomicInteger x = new AtomicInteger(0);
3723	>	AtomicReference<Throwable> r = new AtomicReference<>();
3724	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3725	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3726	>	assertEquals(x.get(), 1);
3727	>	assertNull(r.get());
3728	>	}
3729	>
3730	>	/**
3731	>	* defaultExecutor by default returns the commonPool if
3732	>	* it supports more than one thread.
3733	>	*/
3734	>	public void testDefaultExecutor() {
3735	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3736	>	Executor e = f.defaultExecutor();
3737	>	Executor c = ForkJoinPool.commonPool();
3738	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3739	>	assertSame(e, c);
3740	>	else
3741	>	assertNotSame(e, c);
3742	>	}
3743	>
3744	>	/**
3745	>	* failedFuture returns a CompletableFuture completed
3746	>	* exceptionally with the given Exception
3747	>	*/
3748	>	public void testFailedFuture() {
3749	>	CFException ex = new CFException();
3750	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3751	>	checkCompletedExceptionally(f, ex);
3752	>	}
3753	>
3754	>	/**
3755	>	* failedFuture(null) throws NPE
3756	>	*/
3757	>	public void testFailedFuture_null() {
3758	>	try {
3759	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3760	>	shouldThrow();
3761	>	} catch (NullPointerException success) {}
3762	>	}
3763	>
3764	>	/**
3765	>	* copy returns a CompletableFuture that is completed normally,
3766	>	* with the same value, when source is.
3767	>	*/
3768	>	public void testCopy_normalCompletion() {
3769	>	for (boolean createIncomplete : new boolean[] { true, false })
3770	>	for (Integer v1 : new Integer[] { 1, null })
3771	>	{
3772	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3773	>	if (!createIncomplete) assertTrue(f.complete(v1));
3774	>	CompletableFuture<Integer> g = f.copy();
3775	>	if (createIncomplete) {
3776	>	checkIncomplete(f);
3777	>	checkIncomplete(g);
3778	>	assertTrue(f.complete(v1));
3779		}
3780	+	checkCompletedNormally(f, v1);
3781	+	checkCompletedNormally(g, v1);
3782	+	}}
3783	+
3784	+	/**
3785	+	* copy returns a CompletableFuture that is completed exceptionally
3786	+	* when source is.
3787	+	*/
3788	+	public void testCopy_exceptionalCompletion() {
3789	+	for (boolean createIncomplete : new boolean[] { true, false })
3790	+	{
3791	+	CFException ex = new CFException();
3792	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3793	+	if (!createIncomplete) f.completeExceptionally(ex);
3794	+	CompletableFuture<Integer> g = f.copy();
3795	+	if (createIncomplete) {
3796	+	checkIncomplete(f);
3797	+	checkIncomplete(g);
3798	+	f.completeExceptionally(ex);
3799	+	}
3800	+	checkCompletedExceptionally(f, ex);
3801	+	checkCompletedWithWrappedException(g, ex);
3802	+	}}
3803	+
3804	+	/**
3805	+	* Completion of a copy does not complete its source.
3806	+	*/
3807	+	public void testCopy_oneWayPropagation() {
3808	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3809	+	assertTrue(f.copy().complete(1));
3810	+	assertTrue(f.copy().complete(null));
3811	+	assertTrue(f.copy().cancel(true));
3812	+	assertTrue(f.copy().cancel(false));
3813	+	assertTrue(f.copy().completeExceptionally(new CFException()));
3814	+	checkIncomplete(f);
3815		}
3816
3817		/**
3818	<	* whenComplete action executes on exceptional completion, propagating
3819	<	* source result.
3818	>	* minimalCompletionStage returns a CompletableFuture that is
3819	>	* completed normally, with the same value, when source is.
3820		*/
3821	<	public void testWhenComplete_exceptionalCompletion() {
3822	<	for (ExecutionMode m : ExecutionMode.values())
3823	<	for (Integer v1 : new Integer[] { 1, null }) {
3821	>	public void testMinimalCompletionStage() {
3822	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3823	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3824	>	AtomicInteger x = new AtomicInteger(0);
3825	>	AtomicReference<Throwable> r = new AtomicReference<>();
3826	>	checkIncomplete(f);
3827	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3828	>	f.complete(1);
3829	>	checkCompletedNormally(f, 1);
3830	>	assertEquals(x.get(), 1);
3831	>	assertNull(r.get());
3832	>	}
3833
3834	<	final AtomicInteger a = new AtomicInteger();
3835	<	final CFException ex = new CFException();
3836	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3837	<	final CompletableFuture<Integer> g = m.whenComplete
3838	<	(f,
3839	<	(Integer x, Throwable t) -> {
3840	<	threadAssertNull(x);
3841	<	threadAssertSame(t, ex);
3842	<	a.getAndIncrement();
3843	<	});
3834	>	/**
3835	>	* minimalCompletionStage returns a CompletableFuture that is
3836	>	* completed exceptionally when source is.
3837	>	*/
3838	>	public void testMinimalCompletionStage2() {
3839	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3840	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3841	>	AtomicInteger x = new AtomicInteger(0);
3842	>	AtomicReference<Throwable> r = new AtomicReference<>();
3843	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3844	>	checkIncomplete(f);
3845	>	CFException ex = new CFException();
3846		f.completeExceptionally(ex);
3847	<	checkCompletedWithWrappedCFException(f, ex);
3848	<	checkCompletedWithWrappedCFException(g, ex);
3849	<	assertEquals(a.get(), 1);
3513	<	}
3847	>	checkCompletedExceptionally(f, ex);
3848	>	assertEquals(x.get(), 0);
3849	>	assertEquals(r.get().getCause(), ex);
3850		}
3851
3852		/**
3853	<	* If a whenComplete action throws an exception when triggered by
3854	<	* a normal completion, it completes exceptionally
3853	>	* failedStage returns a CompletionStage completed
3854	>	* exceptionally with the given Exception
3855		*/
3856	<	public void testWhenComplete_actionFailed() {
3857	<	for (ExecutionMode m : ExecutionMode.values())
3858	<	for (Integer v1 : new Integer[] { 1, null }) {
3856	>	public void testFailedStage() {
3857	>	CFException ex = new CFException();
3858	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3859	>	AtomicInteger x = new AtomicInteger(0);
3860	>	AtomicReference<Throwable> r = new AtomicReference<>();
3861	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3862	>	assertEquals(x.get(), 0);
3863	>	assertEquals(r.get(), ex);
3864	>	}
3865
3866	<	final CFException ex = new CFException();
3867	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3868	<	final CompletableFuture<Integer> g = m.whenComplete
3869	<	(f,
3870	<	(Integer x, Throwable t) -> {
3871	<	threadAssertSame(x, v1);
3872	<	threadAssertNull(t);
3873	<	throw ex;
3874	<	});
3866	>	/**
3867	>	* completeAsync completes with value of given supplier
3868	>	*/
3869	>	public void testCompleteAsync() {
3870	>	for (Integer v1 : new Integer[] { 1, null })
3871	>	{
3872	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3873	>	f.completeAsync(() -> v1);
3874	>	f.join();
3875	>	checkCompletedNormally(f, v1);
3876	>	}}
3877	>
3878	>	/**
3879	>	* completeAsync completes exceptionally if given supplier throws
3880	>	*/
3881	>	public void testCompleteAsync2() {
3882	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3883	>	CFException ex = new CFException();
3884	>	f.completeAsync(() -> { throw ex; });
3885	>	try {
3886	>	f.join();
3887	>	shouldThrow();
3888	>	} catch (CompletionException success) {}
3889	>	checkCompletedWithWrappedException(f, ex);
3890	>	}
3891	>
3892	>	/**
3893	>	* completeAsync with given executor completes with value of given supplier
3894	>	*/
3895	>	public void testCompleteAsync3() {
3896	>	for (Integer v1 : new Integer[] { 1, null })
3897	>	{
3898	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3899	>	ThreadExecutor executor = new ThreadExecutor();
3900	>	f.completeAsync(() -> v1, executor);
3901	>	assertSame(v1, f.join());
3902	>	checkCompletedNormally(f, v1);
3903	>	assertEquals(1, executor.count.get());
3904	>	}}
3905	>
3906	>	/**
3907	>	* completeAsync with given executor completes exceptionally if
3908	>	* given supplier throws
3909	>	*/
3910	>	public void testCompleteAsync4() {
3911	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3912	>	CFException ex = new CFException();
3913	>	ThreadExecutor executor = new ThreadExecutor();
3914	>	f.completeAsync(() -> { throw ex; }, executor);
3915	>	try {
3916	>	f.join();
3917	>	shouldThrow();
3918	>	} catch (CompletionException success) {}
3919	>	checkCompletedWithWrappedException(f, ex);
3920	>	assertEquals(1, executor.count.get());
3921	>	}
3922	>
3923	>	/**
3924	>	* orTimeout completes with TimeoutException if not complete
3925	>	*/
3926	>	public void testOrTimeout_timesOut() {
3927	>	long timeoutMillis = timeoutMillis();
3928	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3929	>	long startTime = System.nanoTime();
3930	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3931	>	checkCompletedWithTimeoutException(f);
3932	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3933	>	}
3934	>
3935	>	/**
3936	>	* orTimeout completes normally if completed before timeout
3937	>	*/
3938	>	public void testOrTimeout_completed() {
3939	>	for (Integer v1 : new Integer[] { 1, null })
3940	>	{
3941	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3942	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3943	>	long startTime = System.nanoTime();
3944		f.complete(v1);
3945	+	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3946	+	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3947	+	g.complete(v1);
3948		checkCompletedNormally(f, v1);
3949	<	checkCompletedWithWrappedCFException(g, ex);
3950	<	}
3949	>	checkCompletedNormally(g, v1);
3950	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3951	>	}}
3952	>
3953	>	/**
3954	>	* completeOnTimeout completes with given value if not complete
3955	>	*/
3956	>	public void testCompleteOnTimeout_timesOut() {
3957	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3958	>	() -> testCompleteOnTimeout_timesOut(null));
3959		}
3960
3961		/**
3962	<	* If a whenComplete action throws an exception when triggered by
3963	<	* a source completion that also throws an exception, the source
3964	<	* exception takes precedence.
3962	>	* completeOnTimeout completes with given value if not complete
3963	>	*/
3964	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3965	>	long timeoutMillis = timeoutMillis();
3966	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3967	>	long startTime = System.nanoTime();
3968	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3969	>	assertSame(v, f.join());
3970	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3971	>	f.complete(99);         // should have no effect
3972	>	checkCompletedNormally(f, v);
3973	>	}
3974	>
3975	>	/**
3976	>	* completeOnTimeout has no effect if completed within timeout
3977	>	*/
3978	>	public void testCompleteOnTimeout_completed() {
3979	>	for (Integer v1 : new Integer[] { 1, null })
3980	>	{
3981	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3982	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3983	>	long startTime = System.nanoTime();
3984	>	f.complete(v1);
3985	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3986	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3987	>	g.complete(v1);
3988	>	checkCompletedNormally(f, v1);
3989	>	checkCompletedNormally(g, v1);
3990	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3991	>	}}
3992	>
3993	>	/**
3994	>	* delayedExecutor returns an executor that delays submission
3995		*/
3996	<	public void testWhenComplete_actionFailedSourceFailed() {
3996	>	public void testDelayedExecutor() {
3997	>	testInParallel(() -> testDelayedExecutor(null, null),
3998	>	() -> testDelayedExecutor(null, 1),
3999	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
4000	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
4001	>	}
4002	>
4003	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
4004	>	long timeoutMillis = timeoutMillis();
4005	>	// Use an "unreasonably long" long timeout to catch lingering threads
4006	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
4007	>	final Executor delayer, longDelayer;
4008	>	if (executor == null) {
4009	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
4010	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
4011	>	} else {
4012	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
4013	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
4014	>	}
4015	>	long startTime = System.nanoTime();
4016	>	CompletableFuture<Integer> f =
4017	>	CompletableFuture.supplyAsync(() -> v, delayer);
4018	>	CompletableFuture<Integer> g =
4019	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
4020	>
4021	>	assertNull(g.getNow(null));
4022	>
4023	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
4024	>	long millisElapsed = millisElapsedSince(startTime);
4025	>	assertTrue(millisElapsed >= timeoutMillis);
4026	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
4027	>
4028	>	checkCompletedNormally(f, v);
4029	>
4030	>	checkIncomplete(g);
4031	>	assertTrue(g.cancel(true));
4032	>	}
4033	>
4034	>	//--- tests of implementation details; not part of official tck ---
4035	>
4036	>	Object resultOf(CompletableFuture<?> f) {
4037	>	SecurityManager sm = System.getSecurityManager();
4038	>	if (sm != null) {
4039	>	try {
4040	>	System.setSecurityManager(null);
4041	>	} catch (SecurityException giveUp) {
4042	>	return "Reflection not available";
4043	>	}
4044	>	}
4045	>
4046	>	try {
4047	>	java.lang.reflect.Field resultField
4048	>	= CompletableFuture.class.getDeclaredField("result");
4049	>	resultField.setAccessible(true);
4050	>	return resultField.get(f);
4051	>	} catch (Throwable t) {
4052	>	throw new AssertionError(t);
4053	>	} finally {
4054	>	if (sm != null) System.setSecurityManager(sm);
4055	>	}
4056	>	}
4057	>
4058	>	public void testExceptionPropagationReusesResultObject() {
4059	>	if (!testImplementationDetails) return;
4060		for (ExecutionMode m : ExecutionMode.values())
4061	<	for (Integer v1 : new Integer[] { 1, null }) {
4061	>	{
4062	>	final CFException ex = new CFException();
4063	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4064	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4065	>
4066	>	final Runnable noopRunnable = new Noop(m);
4067	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4068	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4069	>
4070	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4071	>	= new ArrayList<>();
4072	>
4073	>	funs.add(y -> m.thenRun(y, noopRunnable));
4074	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4075	>	funs.add(y -> m.thenApply(y, incFunction));
4076	>
4077	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4078	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4079	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4080	>
4081	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4082	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4083	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4084	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4085	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4086	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4087	>
4088	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4089	>
4090	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4091	>
4092	>	funs.add(y -> CompletableFuture.allOf(y));
4093	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4094	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4095	>	funs.add(y -> CompletableFuture.anyOf(y));
4096	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4097	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4098
4099	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4100	+	fun : funs) {
4101	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4102	+	f.completeExceptionally(ex);
4103	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4104	+	checkCompletedWithWrappedException(src, ex);
4105	+	CompletableFuture<?> dep = fun.apply(src);
4106	+	checkCompletedWithWrappedException(dep, ex);
4107	+	assertSame(resultOf(src), resultOf(dep));
4108	+	}
4109	+
4110	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4111	+	fun : funs) {
4112	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4113	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4114	+	CompletableFuture<?> dep = fun.apply(src);
4115	+	f.completeExceptionally(ex);
4116	+	checkCompletedWithWrappedException(src, ex);
4117	+	checkCompletedWithWrappedException(dep, ex);
4118	+	assertSame(resultOf(src), resultOf(dep));
4119	+	}
4120	+
4121	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4122	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4123	+	fun : funs) {
4124	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4125	+	f.cancel(mayInterruptIfRunning);
4126	+	checkCancelled(f);
4127	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4128	+	checkCompletedWithWrappedCancellationException(src);
4129	+	CompletableFuture<?> dep = fun.apply(src);
4130	+	checkCompletedWithWrappedCancellationException(dep);
4131	+	assertSame(resultOf(src), resultOf(dep));
4132	+	}
4133	+
4134	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4135	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4136	+	fun : funs) {
4137	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4138	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4139	+	CompletableFuture<?> dep = fun.apply(src);
4140	+	f.cancel(mayInterruptIfRunning);
4141	+	checkCancelled(f);
4142	+	checkCompletedWithWrappedCancellationException(src);
4143	+	checkCompletedWithWrappedCancellationException(dep);
4144	+	assertSame(resultOf(src), resultOf(dep));
4145	+	}
4146	+	}}
4147	+
4148	+	/**
4149	+	* Minimal completion stages throw UOE for most non-CompletionStage methods
4150	+	*/
4151	+	public void testMinimalCompletionStage_minimality() {
4152	+	if (!testImplementationDetails) return;
4153	+	Function<Method, String> toSignature =
4154	+	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4155	+	Predicate<Method> isNotStatic =
4156	+	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4157	+	List<Method> minimalMethods =
4158	+	Stream.of(Object.class, CompletionStage.class)
4159	+	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4160	+	.filter(isNotStatic)
4161	+	.collect(Collectors.toList());
4162	+	// Methods from CompletableFuture permitted NOT to throw UOE
4163	+	String[] signatureWhitelist = {
4164	+	"newIncompleteFuture[]",
4165	+	"defaultExecutor[]",
4166	+	"minimalCompletionStage[]",
4167	+	"copy[]",
4168	+	};
4169	+	Set<String> permittedMethodSignatures =
4170	+	Stream.concat(minimalMethods.stream().map(toSignature),
4171	+	Stream.of(signatureWhitelist))
4172	+	.collect(Collectors.toSet());
4173	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4174	+	.filter(isNotStatic)
4175	+	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4176	+	.collect(Collectors.toList());
4177	+
4178	+	List<CompletionStage<Integer>> stages = new ArrayList<>();
4179	+	CompletionStage<Integer> min =
4180	+	new CompletableFuture<Integer>().minimalCompletionStage();
4181	+	stages.add(min);
4182	+	stages.add(min.thenApply(x -> x));
4183	+	stages.add(CompletableFuture.completedStage(1));
4184	+	stages.add(CompletableFuture.failedStage(new CFException()));
4185	+
4186	+	List<Method> bugs = new ArrayList<>();
4187	+	for (Method method : allMethods) {
4188	+	Class<?>[] parameterTypes = method.getParameterTypes();
4189	+	Object[] args = new Object[parameterTypes.length];
4190	+	// Manufacture boxed primitives for primitive params
4191	+	for (int i = 0; i < args.length; i++) {
4192	+	Class<?> type = parameterTypes[i];
4193	+	if (parameterTypes[i] == boolean.class)
4194	+	args[i] = false;
4195	+	else if (parameterTypes[i] == int.class)
4196	+	args[i] = 0;
4197	+	else if (parameterTypes[i] == long.class)
4198	+	args[i] = 0L;
4199	+	}
4200	+	for (CompletionStage<Integer> stage : stages) {
4201	+	try {
4202	+	method.invoke(stage, args);
4203	+	bugs.add(method);
4204	+	}
4205	+	catch (java.lang.reflect.InvocationTargetException expected) {
4206	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4207	+	bugs.add(method);
4208	+	// expected.getCause().printStackTrace();
4209	+	}
4210	+	}
4211	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4212	+	}
4213	+	}
4214	+	if (!bugs.isEmpty())
4215	+	throw new Error("Methods did not throw UOE: " + bugs);
4216	+	}
4217	+
4218	+	/**
4219	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4220	+	* is completed normally, with the same value, when source is.
4221	+	*/
4222	+	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4223	+	for (boolean createIncomplete : new boolean[] { true, false })
4224	+	for (Integer v1 : new Integer[] { 1, null })
4225	+	{
4226	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4227	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4228	+	if (!createIncomplete) assertTrue(f.complete(v1));
4229	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4230	+	if (createIncomplete) {
4231	+	checkIncomplete(f);
4232	+	checkIncomplete(g);
4233	+	assertTrue(f.complete(v1));
4234	+	}
4235	+	checkCompletedNormally(f, v1);
4236	+	checkCompletedNormally(g, v1);
4237	+	}}
4238	+
4239	+	/**
4240	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4241	+	* is completed exceptionally when source is.
4242	+	*/
4243	+	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4244	+	for (boolean createIncomplete : new boolean[] { true, false })
4245	+	{
4246	+	CFException ex = new CFException();
4247	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4248	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4249	+	if (!createIncomplete) f.completeExceptionally(ex);
4250	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4251	+	if (createIncomplete) {
4252	+	checkIncomplete(f);
4253	+	checkIncomplete(g);
4254	+	f.completeExceptionally(ex);
4255	+	}
4256	+	checkCompletedExceptionally(f, ex);
4257	+	checkCompletedWithWrappedException(g, ex);
4258	+	}}
4259	+
4260	+	/**
4261	+	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4262	+	*/
4263	+	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4264	+	for (Integer v1 : new Integer[] { 1, null })
4265	+	{
4266	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4267	+	CompletionStage minimal = f.minimalCompletionStage();
4268	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4269	+	assertTrue(g.complete(v1));
4270	+	checkCompletedNormally(g, v1);
4271	+	checkIncomplete(f);
4272	+	checkIncomplete(minimal.toCompletableFuture());
4273	+	}}
4274	+
4275	+	/**
4276	+	* minimalStage.toCompletableFuture().join() awaits completion
4277	+	*/
4278	+	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4279	+	for (boolean createIncomplete : new boolean[] { true, false })
4280	+	for (Integer v1 : new Integer[] { 1, null })
4281	+	{
4282	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4283	+	if (!createIncomplete) assertTrue(f.complete(v1));
4284	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4285	+	if (createIncomplete) assertTrue(f.complete(v1));
4286	+	assertEquals(v1, minimal.toCompletableFuture().join());
4287	+	assertEquals(v1, minimal.toCompletableFuture().get());
4288	+	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4289	+	}}
4290	+
4291	+	/**
4292	+	* Completion of a toCompletableFuture copy of a minimal stage
4293	+	* does not complete its source.
4294	+	*/
4295	+	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4296	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4297	+	CompletionStage<Integer> g = f.minimalCompletionStage();
4298	+	assertTrue(g.toCompletableFuture().complete(1));
4299	+	assertTrue(g.toCompletableFuture().complete(null));
4300	+	assertTrue(g.toCompletableFuture().cancel(true));
4301	+	assertTrue(g.toCompletableFuture().cancel(false));
4302	+	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4303	+	checkIncomplete(g.toCompletableFuture());
4304	+	f.complete(1);
4305	+	checkCompletedNormally(g.toCompletableFuture(), 1);
4306	+	}
4307	+
4308	+	/** Demo utility method for external reliable toCompletableFuture */
4309	+	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4310	+	CompletableFuture<T> f = new CompletableFuture<>();
4311	+	stage.handle((T t, Throwable ex) -> {
4312	+	if (ex != null) f.completeExceptionally(ex);
4313	+	else f.complete(t);
4314	+	return null;
4315	+	});
4316	+	return f;
4317	+	}
4318	+
4319	+	/** Demo utility method to join a CompletionStage */
4320	+	static <T> T join(CompletionStage<T> stage) {
4321	+	return toCompletableFuture(stage).join();
4322	+	}
4323	+
4324	+	/**
4325	+	* Joining a minimal stage "by hand" works
4326	+	*/
4327	+	public void testMinimalCompletionStage_join_by_hand() {
4328	+	for (boolean createIncomplete : new boolean[] { true, false })
4329	+	for (Integer v1 : new Integer[] { 1, null })
4330	+	{
4331	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4332	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4333	+	CompletableFuture<Integer> g = new CompletableFuture<>();
4334	+	if (!createIncomplete) assertTrue(f.complete(v1));
4335	+	minimal.thenAccept(x -> g.complete(x));
4336	+	if (createIncomplete) assertTrue(f.complete(v1));
4337	+	g.join();
4338	+	checkCompletedNormally(g, v1);
4339	+	checkCompletedNormally(f, v1);
4340	+	assertEquals(v1, join(minimal));
4341	+	}}
4342	+
4343	+	static class Monad {
4344	+	static class ZeroException extends RuntimeException {
4345	+	public ZeroException() { super("monadic zero"); }
4346	+	}
4347	+	// "return", "unit"
4348	+	static <T> CompletableFuture<T> unit(T value) {
4349	+	return completedFuture(value);
4350	+	}
4351	+	// monadic zero ?
4352	+	static <T> CompletableFuture<T> zero() {
4353	+	return failedFuture(new ZeroException());
4354	+	}
4355	+	// >=>
4356	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4357	+	(Function<T, CompletableFuture<U>> f,
4358	+	Function<U, CompletableFuture<V>> g) {
4359	+	return x -> f.apply(x).thenCompose(g);
4360	+	}
4361	+
4362	+	static void assertZero(CompletableFuture<?> f) {
4363	+	try {
4364	+	f.getNow(null);
4365	+	throw new AssertionError("should throw");
4366	+	} catch (CompletionException success) {
4367	+	assertTrue(success.getCause() instanceof ZeroException);
4368	+	}
4369	+	}
4370	+
4371	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4372	+	CompletableFuture<T> g) {
4373	+	T fval = null, gval = null;
4374	+	Throwable fex = null, gex = null;
4375	+
4376	+	try { fval = f.get(); }
4377	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4378	+	catch (Throwable ex) { fex = ex; }
4379	+
4380	+	try { gval = g.get(); }
4381	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4382	+	catch (Throwable ex) { gex = ex; }
4383	+
4384	+	if (fex != null || gex != null)
4385	+	assertSame(fex.getClass(), gex.getClass());
4386	+	else
4387	+	assertEquals(fval, gval);
4388	+	}
4389	+
4390	+	static class PlusFuture<T> extends CompletableFuture<T> {
4391	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4392	+	}
4393	+
4394	+	/** Implements "monadic plus". */
4395	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4396	+	CompletableFuture<? extends T> g) {
4397	+	PlusFuture<T> plus = new PlusFuture<T>();
4398	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4399	+	try {
4400	+	if (ex == null) {
4401	+	if (plus.complete(result))
4402	+	if (plus.firstFailure.get() != null)
4403	+	plus.firstFailure.set(null);
4404	+	}
4405	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4406	+	if (plus.isDone())
4407	+	plus.firstFailure.set(null);
4408	+	}
4409	+	else {
4410	+	// first failure has precedence
4411	+	Throwable first = plus.firstFailure.getAndSet(null);
4412	+
4413	+	// may fail with "Self-suppression not permitted"
4414	+	try { first.addSuppressed(ex); }
4415	+	catch (Exception ignored) {}
4416	+
4417	+	plus.completeExceptionally(first);
4418	+	}
4419	+	} catch (Throwable unexpected) {
4420	+	plus.completeExceptionally(unexpected);
4421	+	}
4422	+	};
4423	+	f.whenComplete(action);
4424	+	g.whenComplete(action);
4425	+	return plus;
4426	+	}
4427	+	}
4428	+
4429	+	/**
4430	+	* CompletableFuture is an additive monad - sort of.
4431	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4432	+	*/
4433	+	public void testAdditiveMonad() throws Throwable {
4434	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4435	+	CompletableFuture<Long> zero = Monad.zero();
4436	+
4437	+	// Some mutually non-commutative functions
4438	+	Function<Long, CompletableFuture<Long>> triple
4439	+	= x -> Monad.unit(3 * x);
4440	+	Function<Long, CompletableFuture<Long>> inc
4441	+	= x -> Monad.unit(x + 1);
4442	+
4443	+	// unit is a right identity: m >>= unit === m
4444	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4445	+	inc.apply(5L));
4446	+	// unit is a left identity: (unit x) >>= f === f x
4447	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4448	+	inc.apply(5L));
4449	+
4450	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4451	+	Monad.assertFutureEquals(
4452	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4453	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4454	+
4455	+	// The case for CompletableFuture as an additive monad is weaker...
4456	+
4457	+	// zero is a monadic zero
4458	+	Monad.assertZero(zero);
4459	+
4460	+	// left zero: zero >>= f === zero
4461	+	Monad.assertZero(zero.thenCompose(inc));
4462	+	// right zero: f >>= (\x -> zero) === zero
4463	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4464	+
4465	+	// f plus zero === f
4466	+	Monad.assertFutureEquals(Monad.unit(5L),
4467	+	Monad.plus(Monad.unit(5L), zero));
4468	+	// zero plus f === f
4469	+	Monad.assertFutureEquals(Monad.unit(5L),
4470	+	Monad.plus(zero, Monad.unit(5L)));
4471	+	// zero plus zero === zero
4472	+	Monad.assertZero(Monad.plus(zero, zero));
4473	+	{
4474	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4475	+	Monad.unit(8L));
4476	+	// non-determinism
4477	+	assertTrue(f.get() == 5L || f.get() == 8L);
4478	+	}
4479	+
4480	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4481	+	// f plus godot === f (doesn't wait for godot)
4482	+	Monad.assertFutureEquals(Monad.unit(5L),
4483	+	Monad.plus(Monad.unit(5L), godot));
4484	+	// godot plus f === f (doesn't wait for godot)
4485	+	Monad.assertFutureEquals(Monad.unit(5L),
4486	+	Monad.plus(godot, Monad.unit(5L)));
4487	+	}
4488	+
4489	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4490	+	@SuppressWarnings("FutureReturnValueIgnored")
4491	+	public void testRecursiveChains() throws Throwable {
4492	+	for (ExecutionMode m : ExecutionMode.values())
4493	+	for (boolean addDeadEnds : new boolean[] { true, false })
4494	+	{
4495	+	final int val = 42;
4496	+	final int n = expensiveTests ? 1_000 : 2;
4497	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4498	+	CompletableFuture<Integer> tail = head;
4499	+	for (int i = 0; i < n; i++) {
4500	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4501	+	tail = m.thenApply(tail, v -> v + 1);
4502	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4503	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4504	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4505	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4506	+	}
4507	+	head.complete(val);
4508	+	assertEquals(val + 3 * n, (int) tail.join());
4509	+	}}
4510	+
4511	+	/**
4512	+	* A single CompletableFuture with many dependents.
4513	+	* A demo of scalability - runtime is O(n).
4514	+	*/
4515	+	@SuppressWarnings("FutureReturnValueIgnored")
4516	+	public void testManyDependents() throws Throwable {
4517	+	final int n = expensiveTests ? 1_000_000 : 10;
4518	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4519	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4520	+	final AtomicInteger count = new AtomicInteger(0);
4521	+	for (int i = 0; i < n; i++) {
4522	+	head.thenRun(() -> count.getAndIncrement());
4523	+	head.thenAccept(x -> count.getAndIncrement());
4524	+	head.thenApply(x -> count.getAndIncrement());
4525	+
4526	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4527	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4528	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4529	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4530	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4531	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4532	+
4533	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4534	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4535	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4536	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4537	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4538	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4539	+	}
4540	+	head.complete(null);
4541	+	assertEquals(5 * 3 * n, count.get());
4542	+	}
4543	+
4544	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4545	+	@SuppressWarnings("FutureReturnValueIgnored")
4546	+	public void testCoCompletionGarbageRetention() throws Throwable {
4547	+	final int n = expensiveTests ? 1_000_000 : 10;
4548	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4549	+	CompletableFuture<Integer> f;
4550	+	for (int i = 0; i < n; i++) {
4551	+	f = new CompletableFuture<>();
4552	+	f.runAfterEither(incomplete, () -> {});
4553	+	f.complete(null);
4554	+
4555	+	f = new CompletableFuture<>();
4556	+	f.acceptEither(incomplete, x -> {});
4557	+	f.complete(null);
4558	+
4559	+	f = new CompletableFuture<>();
4560	+	f.applyToEither(incomplete, x -> x);
4561	+	f.complete(null);
4562	+
4563	+	f = new CompletableFuture<>();
4564	+	CompletableFuture.anyOf(f, incomplete);
4565	+	f.complete(null);
4566	+	}
4567	+
4568	+	for (int i = 0; i < n; i++) {
4569	+	f = new CompletableFuture<>();
4570	+	incomplete.runAfterEither(f, () -> {});
4571	+	f.complete(null);
4572	+
4573	+	f = new CompletableFuture<>();
4574	+	incomplete.acceptEither(f, x -> {});
4575	+	f.complete(null);
4576	+
4577	+	f = new CompletableFuture<>();
4578	+	incomplete.applyToEither(f, x -> x);
4579	+	f.complete(null);
4580	+
4581	+	f = new CompletableFuture<>();
4582	+	CompletableFuture.anyOf(incomplete, f);
4583	+	f.complete(null);
4584	+	}
4585	+	}
4586	+
4587	+	/**
4588	+	* Reproduction recipe for:
4589	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4590	+	* 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
4591	+	*/
4592	+	public void testAnyOfGarbageRetention() throws Throwable {
4593	+	for (Integer v : new Integer[] { 1, null })
4594	+	{
4595	+	final int n = expensiveTests ? 100_000 : 10;
4596	+	CompletableFuture<Integer>[] fs
4597	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4598	+	for (int i = 0; i < fs.length; i++)
4599	+	fs[i] = new CompletableFuture<>();
4600	+	fs[fs.length - 1].complete(v);
4601	+	for (int i = 0; i < n; i++)
4602	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4603	+	}}
4604	+
4605	+	/**
4606	+	* Checks for garbage retention with allOf.
4607	+	*
4608	+	* As of 2016-07, fails with OOME:
4609	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4610	+	*/
4611	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4612	+	final int n = expensiveTests ? 100_000 : 10;
4613	+	CompletableFuture<Integer>[] fs
4614	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4615	+	for (int i = 0; i < fs.length; i++)
4616	+	fs[i] = new CompletableFuture<>();
4617	+	for (int i = 0; i < n; i++)
4618	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4619	+	}
4620	+
4621	+	/**
4622	+	* Checks for garbage retention when a dependent future is
4623	+	* cancelled and garbage-collected.
4624	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4625	+	*
4626	+	* As of 2016-07, fails with OOME:
4627	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4628	+	*/
4629	+	public void testCancelledGarbageRetention() throws Throwable {
4630	+	final int n = expensiveTests ? 100_000 : 10;
4631	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4632	+	for (int i = 0; i < n; i++)
4633	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4634	+	}
4635	+
4636	+	/**
4637	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4638	+	* is invoked many times.
4639	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4640	+	*
4641	+	* As of 2016-07, fails with OOME:
4642	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4643	+	*/
4644	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4645	+	final int n = expensiveTests ? 900_000 : 10;
4646	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4647	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4648	+	for (int i = 0; i < n; i++)
4649	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4650	+	}
4651	+
4652	+	//     static <U> U join(CompletionStage<U> stage) {
4653	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4654	+	//         stage.whenComplete((v, ex) -> {
4655	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4656	+	//         });
4657	+	//         return f.join();
4658	+	//     }
4659	+
4660	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4661	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4662	+	//         stage.whenComplete((v, ex) -> {
4663	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4664	+	//         });
4665	+	//         return f.isDone();
4666	+	//     }
4667	+
4668	+	//     static <U> U join2(CompletionStage<U> stage) {
4669	+	//         return stage.toCompletableFuture().copy().join();
4670	+	//     }
4671	+
4672	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4673	+	//         return stage.toCompletableFuture().copy().isDone();
4674	+	//     }
4675	+
4676	+	// For testing default implementations
4677	+	// Only non-default interface methods defined.
4678	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4679	+	final CompletableFuture<T> cf;
4680	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4681	+	public CompletableFuture<T> toCompletableFuture() {
4682	+	return cf; }
4683	+	public CompletionStage<Void> thenRun
4684	+	(Runnable action) {
4685	+	return cf.thenRun(action); }
4686	+	public CompletionStage<Void> thenRunAsync
4687	+	(Runnable action) {
4688	+	return cf.thenRunAsync(action); }
4689	+	public CompletionStage<Void> thenRunAsync
4690	+	(Runnable action,
4691	+	Executor executor) {
4692	+	return cf.thenRunAsync(action, executor); }
4693	+	public CompletionStage<Void> thenAccept
4694	+	(Consumer<? super T> action) {
4695	+	return cf.thenAccept(action); }
4696	+	public CompletionStage<Void> thenAcceptAsync
4697	+	(Consumer<? super T> action) {
4698	+	return cf.thenAcceptAsync(action); }
4699	+	public CompletionStage<Void> thenAcceptAsync
4700	+	(Consumer<? super T> action,
4701	+	Executor executor) {
4702	+	return cf.thenAcceptAsync(action, executor); }
4703	+	public <U> CompletionStage<U> thenApply
4704	+	(Function<? super T,? extends U> a) {
4705	+	return cf.thenApply(a); }
4706	+	public <U> CompletionStage<U> thenApplyAsync
4707	+	(Function<? super T,? extends U> fn) {
4708	+	return cf.thenApplyAsync(fn); }
4709	+	public <U> CompletionStage<U> thenApplyAsync
4710	+	(Function<? super T,? extends U> fn,
4711	+	Executor executor) {
4712	+	return cf.thenApplyAsync(fn, executor); }
4713	+	public <U,V> CompletionStage<V> thenCombine
4714	+	(CompletionStage<? extends U> other,
4715	+	BiFunction<? super T,? super U,? extends V> fn) {
4716	+	return cf.thenCombine(other, fn); }
4717	+	public <U,V> CompletionStage<V> thenCombineAsync
4718	+	(CompletionStage<? extends U> other,
4719	+	BiFunction<? super T,? super U,? extends V> fn) {
4720	+	return cf.thenCombineAsync(other, fn); }
4721	+	public <U,V> CompletionStage<V> thenCombineAsync
4722	+	(CompletionStage<? extends U> other,
4723	+	BiFunction<? super T,? super U,? extends V> fn,
4724	+	Executor executor) {
4725	+	return cf.thenCombineAsync(other, fn, executor); }
4726	+	public <U> CompletionStage<Void> thenAcceptBoth
4727	+	(CompletionStage<? extends U> other,
4728	+	BiConsumer<? super T, ? super U> action) {
4729	+	return cf.thenAcceptBoth(other, action); }
4730	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4731	+	(CompletionStage<? extends U> other,
4732	+	BiConsumer<? super T, ? super U> action) {
4733	+	return cf.thenAcceptBothAsync(other, action); }
4734	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4735	+	(CompletionStage<? extends U> other,
4736	+	BiConsumer<? super T, ? super U> action,
4737	+	Executor executor) {
4738	+	return cf.thenAcceptBothAsync(other, action, executor); }
4739	+	public CompletionStage<Void> runAfterBoth
4740	+	(CompletionStage<?> other,
4741	+	Runnable action) {
4742	+	return cf.runAfterBoth(other, action); }
4743	+	public CompletionStage<Void> runAfterBothAsync
4744	+	(CompletionStage<?> other,
4745	+	Runnable action) {
4746	+	return cf.runAfterBothAsync(other, action); }
4747	+	public CompletionStage<Void> runAfterBothAsync
4748	+	(CompletionStage<?> other,
4749	+	Runnable action,
4750	+	Executor executor) {
4751	+	return cf.runAfterBothAsync(other, action, executor); }
4752	+	public <U> CompletionStage<U> applyToEither
4753	+	(CompletionStage<? extends T> other,
4754	+	Function<? super T, U> fn) {
4755	+	return cf.applyToEither(other, fn); }
4756	+	public <U> CompletionStage<U> applyToEitherAsync
4757	+	(CompletionStage<? extends T> other,
4758	+	Function<? super T, U> fn) {
4759	+	return cf.applyToEitherAsync(other, fn); }
4760	+	public <U> CompletionStage<U> applyToEitherAsync
4761	+	(CompletionStage<? extends T> other,
4762	+	Function<? super T, U> fn,
4763	+	Executor executor) {
4764	+	return cf.applyToEitherAsync(other, fn, executor); }
4765	+	public CompletionStage<Void> acceptEither
4766	+	(CompletionStage<? extends T> other,
4767	+	Consumer<? super T> action) {
4768	+	return cf.acceptEither(other, action); }
4769	+	public CompletionStage<Void> acceptEitherAsync
4770	+	(CompletionStage<? extends T> other,
4771	+	Consumer<? super T> action) {
4772	+	return cf.acceptEitherAsync(other, action); }
4773	+	public CompletionStage<Void> acceptEitherAsync
4774	+	(CompletionStage<? extends T> other,
4775	+	Consumer<? super T> action,
4776	+	Executor executor) {
4777	+	return cf.acceptEitherAsync(other, action, executor); }
4778	+	public CompletionStage<Void> runAfterEither
4779	+	(CompletionStage<?> other,
4780	+	Runnable action) {
4781	+	return cf.runAfterEither(other, action); }
4782	+	public CompletionStage<Void> runAfterEitherAsync
4783	+	(CompletionStage<?> other,
4784	+	Runnable action) {
4785	+	return cf.runAfterEitherAsync(other, action); }
4786	+	public CompletionStage<Void> runAfterEitherAsync
4787	+	(CompletionStage<?> other,
4788	+	Runnable action,
4789	+	Executor executor) {
4790	+	return cf.runAfterEitherAsync(other, action, executor); }
4791	+	public <U> CompletionStage<U> thenCompose
4792	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4793	+	return cf.thenCompose(fn); }
4794	+	public <U> CompletionStage<U> thenComposeAsync
4795	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4796	+	return cf.thenComposeAsync(fn); }
4797	+	public <U> CompletionStage<U> thenComposeAsync
4798	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4799	+	Executor executor) {
4800	+	return cf.thenComposeAsync(fn, executor); }
4801	+	public <U> CompletionStage<U> handle
4802	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4803	+	return cf.handle(fn); }
4804	+	public <U> CompletionStage<U> handleAsync
4805	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4806	+	return cf.handleAsync(fn); }
4807	+	public <U> CompletionStage<U> handleAsync
4808	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4809	+	Executor executor) {
4810	+	return cf.handleAsync(fn, executor); }
4811	+	public CompletionStage<T> whenComplete
4812	+	(BiConsumer<? super T, ? super Throwable> action) {
4813	+	return cf.whenComplete(action); }
4814	+	public CompletionStage<T> whenCompleteAsync
4815	+	(BiConsumer<? super T, ? super Throwable> action) {
4816	+	return cf.whenCompleteAsync(action); }
4817	+	public CompletionStage<T> whenCompleteAsync
4818	+	(BiConsumer<? super T, ? super Throwable> action,
4819	+	Executor executor) {
4820	+	return cf.whenCompleteAsync(action, executor); }
4821	+	public CompletionStage<T> exceptionally
4822	+	(Function<Throwable, ? extends T> fn) {
4823	+	return cf.exceptionally(fn); }
4824	+	}
4825	+
4826	+	/**
4827	+	* default-implemented exceptionallyAsync action is not invoked when
4828	+	* source completes normally, and source result is propagated
4829	+	*/
4830	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4831	+	for (boolean createIncomplete : new boolean[] { true, false })
4832	+	for (Integer v1 : new Integer[] { 1, null })
4833	+	{
4834	+	final AtomicInteger ran = new AtomicInteger(0);
4835	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4836	+	final DelegatedCompletionStage<Integer> d =
4837	+	new DelegatedCompletionStage<Integer>(f);
4838	+	if (!createIncomplete) assertTrue(f.complete(v1));
4839	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4840	+	((Throwable t) -> {
4841	+	ran.getAndIncrement();
4842	+	throw new AssertionError("should not be called");
4843	+	});
4844	+	if (createIncomplete) assertTrue(f.complete(v1));
4845	+
4846	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4847	+	checkCompletedNormally(f, v1);
4848	+	assertEquals(0, ran.get());
4849	+	}}
4850	+
4851	+	/**
4852	+	* default-implemented exceptionallyAsync action completes with
4853	+	* function value on source exception
4854	+	*/
4855	+	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4856	+	for (boolean createIncomplete : new boolean[] { true, false })
4857	+	for (Integer v1 : new Integer[] { 1, null })
4858	+	{
4859	+	final AtomicInteger ran = new AtomicInteger(0);
4860	+	final CFException ex = new CFException();
4861	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4862	+	final DelegatedCompletionStage<Integer> d =
4863	+	new DelegatedCompletionStage<Integer>(f);
4864	+	if (!createIncomplete) f.completeExceptionally(ex);
4865	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4866	+	((Throwable t) -> {
4867	+	assertSame(t, ex);
4868	+	ran.getAndIncrement();
4869	+	return v1;
4870	+	});
4871	+	if (createIncomplete) f.completeExceptionally(ex);
4872	+
4873	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4874	+	assertEquals(1, ran.get());
4875	+	}}
4876	+
4877	+	/**
4878	+	* Under default implementation, if an "exceptionally action"
4879	+	* throws an exception, it completes exceptionally with that
4880	+	* exception
4881	+	*/
4882	+	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4883	+	for (boolean createIncomplete : new boolean[] { true, false })
4884	+	{
4885	+	final AtomicInteger ran = new AtomicInteger(0);
4886		final CFException ex1 = new CFException();
4887		final CFException ex2 = new CFException();
4888		final CompletableFuture<Integer> f = new CompletableFuture<>();
4889	<	final CompletableFuture<Integer> g = m.whenComplete
4890	<	(f,
4891	<	(Integer x, Throwable t) -> {
4892	<	threadAssertSame(t, ex1);
4893	<	threadAssertNull(x);
4889	>	final DelegatedCompletionStage<Integer> d =
4890	>	new DelegatedCompletionStage<Integer>(f);
4891	>	if (!createIncomplete) f.completeExceptionally(ex1);
4892	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4893	>	((Throwable t) -> {
4894	>	assertSame(t, ex1);
4895	>	ran.getAndIncrement();
4896		throw ex2;
4897		});
4898	<	f.completeExceptionally(ex1);
4899	<	checkCompletedWithWrappedCFException(f, ex1);
4900	<	checkCompletedWithWrappedCFException(g, ex1);
4901	<	}
4902	<	}
4898	>	if (createIncomplete) f.completeExceptionally(ex1);
4899	>
4900	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4901	>	checkCompletedExceptionally(f, ex1);
4902	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4903	>	assertEquals(1, ran.get());
4904	>	}}
4905
4906		/**
4907	<	* handleAsync action completes normally with function value on
4908	<	* either normal or exceptional completion of source
4907	>	* default-implemented exceptionallyCompose result completes
4908	>	* normally after normal completion of source
4909		*/
4910	<	public void testHandleAsync() {
4911	<	CompletableFuture<Integer> f, g;
4912	<	IntegerHandler r;
4910	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4911	>	for (boolean createIncomplete : new boolean[] { true, false })
4912	>	for (Integer v1 : new Integer[] { 1, null })
4913	>	{
4914	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4915	>	final ExceptionalCompletableFutureFunction r =
4916	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4917	>	final DelegatedCompletionStage<Integer> d =
4918	>	new DelegatedCompletionStage<Integer>(f);
4919	>	if (!createIncomplete) assertTrue(f.complete(v1));
4920	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4921	>	if (createIncomplete) assertTrue(f.complete(v1));
4922
4923	<	f = new CompletableFuture<>();
4924	<	g = f.handleAsync(r = new IntegerHandler());
4925	<	assertFalse(r.ran);
4926	<	f.completeExceptionally(new CFException());
3576	<	checkCompletedWithWrappedCFException(f);
3577	<	checkCompletedNormally(g, three);
3578	<	assertTrue(r.ran);
4923	>	checkCompletedNormally(f, v1);
4924	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4925	>	r.assertNotInvoked();
4926	>	}}
4927
4928	<	f = new CompletableFuture<>();
4929	<	g = f.handleAsync(r = new IntegerHandler());
4930	<	assertFalse(r.ran);
4931	<	f.completeExceptionally(new CFException());
4932	<	checkCompletedWithWrappedCFException(f);
4933	<	checkCompletedNormally(g, three);
4934	<	assertTrue(r.ran);
4928	>	/**
4929	>	* default-implemented exceptionallyCompose result completes
4930	>	* normally after exceptional completion of source
4931	>	*/
4932	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4933	>	for (boolean createIncomplete : new boolean[] { true, false })
4934	>	{
4935	>	final CFException ex = new CFException();
4936	>	final ExceptionalCompletableFutureFunction r =
4937	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4938	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4939	>	final DelegatedCompletionStage<Integer> d =
4940	>	new DelegatedCompletionStage<Integer>(f);
4941	>	if (!createIncomplete) f.completeExceptionally(ex);
4942	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4943	>	if (createIncomplete) f.completeExceptionally(ex);
4944	>
4945	>	checkCompletedExceptionally(f, ex);
4946	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4947	>	r.assertInvoked();
4948	>	}}
4949	>
4950	>	/**
4951	>	* default-implemented exceptionallyCompose completes
4952	>	* exceptionally on exception if action does
4953	>	*/
4954	>	public void testDefaultExceptionallyCompose_actionFailed() {
4955	>	for (boolean createIncomplete : new boolean[] { true, false })
4956	>	{
4957	>	final CFException ex = new CFException();
4958	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4959	>	final FailingExceptionalCompletableFutureFunction r
4960	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4961	>	final DelegatedCompletionStage<Integer> d =
4962	>	new DelegatedCompletionStage<Integer>(f);
4963	>	if (!createIncomplete) f.completeExceptionally(ex);
4964	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4965	>	if (createIncomplete) f.completeExceptionally(ex);
4966	>
4967	>	checkCompletedExceptionally(f, ex);
4968	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4969	>	r.assertInvoked();
4970	>	}}
4971
4972	<	f = new CompletableFuture<>();
4973	<	g = f.handleAsync(r = new IntegerHandler());
4974	<	assertFalse(r.ran);
4975	<	f.complete(one);
4976	<	checkCompletedNormally(f, one);
4977	<	checkCompletedNormally(g, two);
4978	<	assertTrue(r.ran);
4972	>	/**
4973	>	* default-implemented exceptionallyComposeAsync result completes
4974	>	* normally after normal completion of source
4975	>	*/
4976	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4977	>	for (boolean createIncomplete : new boolean[] { true, false })
4978	>	for (Integer v1 : new Integer[] { 1, null })
4979	>	{
4980	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4981	>	final ExceptionalCompletableFutureFunction r =
4982	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4983	>	final DelegatedCompletionStage<Integer> d =
4984	>	new DelegatedCompletionStage<Integer>(f);
4985	>	if (!createIncomplete) assertTrue(f.complete(v1));
4986	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4987	>	if (createIncomplete) assertTrue(f.complete(v1));
4988
4989	<	f = new CompletableFuture<>();
4990	<	g = f.handleAsync(r = new IntegerHandler());
4991	<	assertFalse(r.ran);
4992	<	f.complete(one);
3600	<	checkCompletedNormally(f, one);
3601	<	checkCompletedNormally(g, two);
3602	<	assertTrue(r.ran);
3603	<	}
4989	>	checkCompletedNormally(f, v1);
4990	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4991	>	r.assertNotInvoked();
4992	>	}}
4993
4994		/**
4995	<	* handleAsync action with Executor completes normally with
4996	<	* function value on either normal or exceptional completion of
3608	<	* source
4995	>	* default-implemented exceptionallyComposeAsync result completes
4996	>	* normally after exceptional completion of source
4997		*/
4998	<	public void testHandleAsync2() {
4999	<	CompletableFuture<Integer> f, g;
5000	<	ThreadExecutor exec = new ThreadExecutor();
5001	<	IntegerHandler r;
5002	<
5003	<	f = new CompletableFuture<>();
5004	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5005	<	assertFalse(r.ran);
5006	<	f.completeExceptionally(new CFException());
5007	<	checkCompletedWithWrappedCFException(f);
5008	<	checkCompletedNormally(g, three);
5009	<	assertTrue(r.ran);
4998	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4999	>	for (boolean createIncomplete : new boolean[] { true, false })
5000	>	{
5001	>	final CFException ex = new CFException();
5002	>	final ExceptionalCompletableFutureFunction r =
5003	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5004	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5005	>	final DelegatedCompletionStage<Integer> d =
5006	>	new DelegatedCompletionStage<Integer>(f);
5007	>	if (!createIncomplete) f.completeExceptionally(ex);
5008	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5009	>	if (createIncomplete) f.completeExceptionally(ex);
5010	>
5011	>	checkCompletedExceptionally(f, ex);
5012	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5013	>	r.assertInvoked();
5014	>	}}
5015	>
5016	>	/**
5017	>	* default-implemented exceptionallyComposeAsync completes
5018	>	* exceptionally on exception if action does
5019	>	*/
5020	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5021	>	for (boolean createIncomplete : new boolean[] { true, false })
5022	>	{
5023	>	final CFException ex = new CFException();
5024	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5025	>	final FailingExceptionalCompletableFutureFunction r
5026	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5027	>	final DelegatedCompletionStage<Integer> d =
5028	>	new DelegatedCompletionStage<Integer>(f);
5029	>	if (!createIncomplete) f.completeExceptionally(ex);
5030	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5031	>	if (createIncomplete) f.completeExceptionally(ex);
5032	>
5033	>	checkCompletedExceptionally(f, ex);
5034	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5035	>	r.assertInvoked();
5036	>	}}
5037
5038	<	f = new CompletableFuture<>();
5039	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5040	<	assertFalse(r.ran);
5041	<	f.completeExceptionally(new CFException());
5042	<	checkCompletedWithWrappedCFException(f);
5043	<	checkCompletedNormally(g, three);
5044	<	assertTrue(r.ran);
5038	>	/**
5039	>	* default-implemented exceptionallyComposeAsync result completes
5040	>	* normally after normal completion of source
5041	>	*/
5042	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5043	>	for (boolean createIncomplete : new boolean[] { true, false })
5044	>	for (Integer v1 : new Integer[] { 1, null })
5045	>	{
5046	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5047	>	final ExceptionalCompletableFutureFunction r =
5048	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5049	>	final DelegatedCompletionStage<Integer> d =
5050	>	new DelegatedCompletionStage<Integer>(f);
5051	>	if (!createIncomplete) assertTrue(f.complete(v1));
5052	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5053	>	if (createIncomplete) assertTrue(f.complete(v1));
5054
5055	<	f = new CompletableFuture<>();
5056	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5057	<	assertFalse(r.ran);
5058	<	f.complete(one);
3635	<	checkCompletedNormally(f, one);
3636	<	checkCompletedNormally(g, two);
3637	<	assertTrue(r.ran);
5055	>	checkCompletedNormally(f, v1);
5056	>	checkCompletedNormally(g.toCompletableFuture(), v1);
5057	>	r.assertNotInvoked();
5058	>	}}
5059
5060	<	f = new CompletableFuture<>();
5061	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5062	<	assertFalse(r.ran);
5063	<	f.complete(one);
5064	<	checkCompletedNormally(f, one);
5065	<	checkCompletedNormally(g, two);
5066	<	assertTrue(r.ran);
5067	<	}
5060	>	/**
5061	>	* default-implemented exceptionallyComposeAsync result completes
5062	>	* normally after exceptional completion of source
5063	>	*/
5064	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5065	>	for (boolean createIncomplete : new boolean[] { true, false })
5066	>	{
5067	>	final CFException ex = new CFException();
5068	>	final ExceptionalCompletableFutureFunction r =
5069	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5070	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5071	>	final DelegatedCompletionStage<Integer> d =
5072	>	new DelegatedCompletionStage<Integer>(f);
5073	>	if (!createIncomplete) f.completeExceptionally(ex);
5074	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5075	>	if (createIncomplete) f.completeExceptionally(ex);
5076	>
5077	>	checkCompletedExceptionally(f, ex);
5078	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5079	>	r.assertInvoked();
5080	>	}}
5081	>
5082	>	/**
5083	>	* default-implemented exceptionallyComposeAsync completes
5084	>	* exceptionally on exception if action does
5085	>	*/
5086	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5087	>	for (boolean createIncomplete : new boolean[] { true, false })
5088	>	{
5089	>	final CFException ex = new CFException();
5090	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5091	>	final FailingExceptionalCompletableFutureFunction r
5092	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5093	>	final DelegatedCompletionStage<Integer> d =
5094	>	new DelegatedCompletionStage<Integer>(f);
5095	>	if (!createIncomplete) f.completeExceptionally(ex);
5096	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5097	>	if (createIncomplete) f.completeExceptionally(ex);
5098	>
5099	>	checkCompletedExceptionally(f, ex);
5100	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5101	>	r.assertInvoked();
5102	>	}}
5103
5104		}

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