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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.45 by jsr166, Mon Jun 2 06:07:34 2014 UTC vs.
Revision 1.200 by jsr166, Thu Sep 20 20:17:13 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]"));
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	<	f = new CompletableFuture<String>();
366	<	f.completeExceptionally(new IndexOutOfBoundsException());
367	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
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;
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;
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.
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.
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;
471	>
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474		public void run() {
475	<	invocationCount++;
475	>	invoked();
476		}
477		}
478
479	<	static final class FailingSupplier implements Supplier<Integer> {
480	<	int invocationCount = 0;
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	<	invocationCount++;
486	<	throw new CFException();
485	>	invoked();
486	>	throw ex;
487		}
488		}
489	<	static final class FailingConsumer implements Consumer<Integer> {
490	<	int invocationCount = 0;
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	<	invocationCount++;
497	<	throw new CFException();
496	>	invoked();
497	>	value = x;
498	>	throw ex;
499		}
500		}
501	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
502	<	int invocationCount = 0;
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	<	invocationCount++;
509	<	throw new CFException();
508	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511		}
512		}
513	<	static final class FailingFunction implements Function<Integer, Integer> {
514	<	int invocationCount = 0;
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	<	invocationCount++;
521	<	throw new CFException();
520	>	invoked();
521	>	value = x;
522	>	throw ex;
523		}
524		}
525	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
526	<	int invocationCount = 0;
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	<	invocationCount++;
533	<	throw new CFException();
532	>	invoked();
533	>	value = subtract(x, y);
534	>	throw ex;
535		}
536		}
537	<	static final class FailingNoop implements Runnable {
538	<	int invocationCount = 0;
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	<	invocationCount++;
543	<	throw new CFException();
542	>	invoked();
543	>	throw ex;
544		}
545		}
546
547	<	static final class CompletableFutureInc
548	<	implements Function<Integer, CompletableFuture<Integer>> {
549	<	int invocationCount = 0;
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	<	invocationCount++;
552	>	invoked();
553	>	value = x;
554		CompletableFuture<Integer> f = new CompletableFuture<>();
555	<	f.complete(inc(x));
555	>	assertTrue(f.complete(inc(x)));
556		return f;
557		}
558		}
559
560	<	static final class FailingCompletableFutureFunction
561	<	implements Function<Integer, CompletableFuture<Integer>> {
562	<	int invocationCount = 0;
563	<	public CompletableFuture<Integer> apply(Integer x) {
564	<	invocationCount++;
565	<	throw new CFException();
560	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
561	>	implements Function<Throwable, CompletableFuture<Integer>>
562	>	{
563	>	final CFException ex;
564	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
565	>	public CompletableFuture<Integer> apply(Throwable x) {
566	>	invoked();
567	>	throw ex;
568		}
569		}
570
571	<	// Used for explicit executor tests
572	<	static final class ThreadExecutor implements Executor {
573	<	AtomicInteger count = new AtomicInteger(0);
571	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
572	>	implements Function<Throwable, CompletionStage<Integer>> {
573	>	final Integer value = 3;
574	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
575	>	public CompletionStage<Integer> apply(Throwable x) {
576	>	invoked();
577	>	CompletableFuture<Integer> d = new CompletableFuture<Integer>();
578	>	d.complete(value);
579	>	return d;
580	>	}
581	>	}
582
583	+	static class FailingCompletableFutureFunction extends CheckedIntegerAction
584	+	implements Function<Integer, CompletableFuture<Integer>>
585	+	{
586	+	final CFException ex;
587	+	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
588	+	public CompletableFuture<Integer> apply(Integer x) {
589	+	invoked();
590	+	value = x;
591	+	throw ex;
592	+	}
593	+	}
594	+
595	+	static class CountingRejectingExecutor implements Executor {
596	+	final RejectedExecutionException ex = new RejectedExecutionException();
597	+	final AtomicInteger count = new AtomicInteger(0);
598		public void execute(Runnable r) {
599		count.getAndIncrement();
600	<	new Thread(r).start();
600	>	throw ex;
601		}
602		}
603
604	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
605	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
606	<	}
604	>	// Used for explicit executor tests
605	>	static final class ThreadExecutor implements Executor {
606	>	final AtomicInteger count = new AtomicInteger(0);
607	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
608	>	static boolean startedCurrentThread() {
609	>	return Thread.currentThread().getThreadGroup() == tg;
610	>	}
611
612	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
613	<	int invocationCount = 0;
614	<	public Integer apply(Integer x, Throwable t) {
460	<	invocationCount++;
461	<	return (t == null) ? two : three;
612	>	public void execute(Runnable r) {
613	>	count.getAndIncrement();
614	>	new Thread(tg, r).start();
615		}
616		}
617
618	+	static final boolean defaultExecutorIsCommonPool
619	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
620	+
621		/**
622		* Permits the testing of parallel code for the 3 different
623	<	* execution modes without repeating all the testing code.
623	>	* execution modes without copy/pasting all the test methods.
624		*/
625		enum ExecutionMode {
626	<	DEFAULT {
626	>	SYNC {
627	>	public void checkExecutionMode() {
628	>	assertFalse(ThreadExecutor.startedCurrentThread());
629	>	assertNull(ForkJoinTask.getPool());
630	>	}
631	>	public CompletableFuture<Void> runAsync(Runnable a) {
632	>	throw new UnsupportedOperationException();
633	>	}
634	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
635	>	throw new UnsupportedOperationException();
636	>	}
637	>	public <T> CompletableFuture<Void> thenRun
638	>	(CompletableFuture<T> f, Runnable a) {
639	>	return f.thenRun(a);
640	>	}
641	>	public <T> CompletableFuture<Void> thenAccept
642	>	(CompletableFuture<T> f, Consumer<? super T> a) {
643	>	return f.thenAccept(a);
644	>	}
645	>	public <T,U> CompletableFuture<U> thenApply
646	>	(CompletableFuture<T> f, Function<? super T,U> a) {
647	>	return f.thenApply(a);
648	>	}
649	>	public <T,U> CompletableFuture<U> thenCompose
650	>	(CompletableFuture<T> f,
651	>	Function<? super T,? extends CompletionStage<U>> a) {
652	>	return f.thenCompose(a);
653	>	}
654	>	public <T,U> CompletableFuture<U> handle
655	>	(CompletableFuture<T> f,
656	>	BiFunction<? super T,Throwable,? extends U> a) {
657	>	return f.handle(a);
658	>	}
659	>	public <T> CompletableFuture<T> whenComplete
660	>	(CompletableFuture<T> f,
661	>	BiConsumer<? super T,? super Throwable> a) {
662	>	return f.whenComplete(a);
663	>	}
664		public <T,U> CompletableFuture<Void> runAfterBoth
665		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
666		return f.runAfterBoth(g, a);
#	Line 484 | Line 677 | public class CompletableFutureTest exten
677		BiFunction<? super T,? super U,? extends V> a) {
678		return f.thenCombine(g, a);
679		}
680	<	public <T,U> CompletableFuture<U> applyToEither
680	>	public <T> CompletableFuture<Void> runAfterEither
681		(CompletableFuture<T> f,
682	<	CompletionStage<? extends T> g,
683	<	Function<? super T,U> a) {
684	<	return f.applyToEither(g, a);
682	>	CompletionStage<?> g,
683	>	java.lang.Runnable a) {
684	>	return f.runAfterEither(g, a);
685		}
686		public <T> CompletableFuture<Void> acceptEither
687		(CompletableFuture<T> f,
#	Line 496 | Line 689 | public class CompletableFutureTest exten
689		Consumer<? super T> a) {
690		return f.acceptEither(g, a);
691		}
692	<	public <T> CompletableFuture<Void> runAfterEither
692	>	public <T,U> CompletableFuture<U> applyToEither
693		(CompletableFuture<T> f,
694	<	CompletionStage<?> g,
695	<	java.lang.Runnable a) {
696	<	return f.runAfterEither(g, a);
694	>	CompletionStage<? extends T> g,
695	>	Function<? super T,U> a) {
696	>	return f.applyToEither(g, a);
697	>	}
698	>	public <T> CompletableFuture<T> exceptionally
699	>	(CompletableFuture<T> f,
700	>	Function<Throwable, ? extends T> fn) {
701	>	return f.exceptionally(fn);
702	>	}
703	>	public <T> CompletableFuture<T> exceptionallyCompose
704	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
705	>	return f.exceptionallyCompose(fn);
706	>	}
707	>	},
708	>	ASYNC {
709	>	public void checkExecutionMode() {
710	>	assertEquals(defaultExecutorIsCommonPool,
711	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
712	>	}
713	>	public CompletableFuture<Void> runAsync(Runnable a) {
714	>	return CompletableFuture.runAsync(a);
715	>	}
716	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
717	>	return CompletableFuture.supplyAsync(a);
718	>	}
719	>	public <T> CompletableFuture<Void> thenRun
720	>	(CompletableFuture<T> f, Runnable a) {
721	>	return f.thenRunAsync(a);
722	>	}
723	>	public <T> CompletableFuture<Void> thenAccept
724	>	(CompletableFuture<T> f, Consumer<? super T> a) {
725	>	return f.thenAcceptAsync(a);
726	>	}
727	>	public <T,U> CompletableFuture<U> thenApply
728	>	(CompletableFuture<T> f, Function<? super T,U> a) {
729	>	return f.thenApplyAsync(a);
730		}
731		public <T,U> CompletableFuture<U> thenCompose
732		(CompletableFuture<T> f,
733		Function<? super T,? extends CompletionStage<U>> a) {
734	<	return f.thenCompose(a);
734	>	return f.thenComposeAsync(a);
735	>	}
736	>	public <T,U> CompletableFuture<U> handle
737	>	(CompletableFuture<T> f,
738	>	BiFunction<? super T,Throwable,? extends U> a) {
739	>	return f.handleAsync(a);
740		}
741		public <T> CompletableFuture<T> whenComplete
742		(CompletableFuture<T> f,
743		BiConsumer<? super T,? super Throwable> a) {
744	<	return f.whenComplete(a);
744	>	return f.whenCompleteAsync(a);
745		}
515	–	},
516	–
517	–	DEFAULT_ASYNC {
746		public <T,U> CompletableFuture<Void> runAfterBoth
747		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
748		return f.runAfterBothAsync(g, a);
#	Line 531 | Line 759 | public class CompletableFutureTest exten
759		BiFunction<? super T,? super U,? extends V> a) {
760		return f.thenCombineAsync(g, a);
761		}
762	<	public <T,U> CompletableFuture<U> applyToEither
762	>	public <T> CompletableFuture<Void> runAfterEither
763		(CompletableFuture<T> f,
764	<	CompletionStage<? extends T> g,
765	<	Function<? super T,U> a) {
766	<	return f.applyToEitherAsync(g, a);
764	>	CompletionStage<?> g,
765	>	java.lang.Runnable a) {
766	>	return f.runAfterEitherAsync(g, a);
767		}
768		public <T> CompletableFuture<Void> acceptEither
769		(CompletableFuture<T> f,
#	Line 543 | Line 771 | public class CompletableFutureTest exten
771		Consumer<? super T> a) {
772		return f.acceptEitherAsync(g, a);
773		}
774	<	public <T> CompletableFuture<Void> runAfterEither
774	>	public <T,U> CompletableFuture<U> applyToEither
775		(CompletableFuture<T> f,
776	<	CompletionStage<?> g,
777	<	java.lang.Runnable a) {
778	<	return f.runAfterEitherAsync(g, a);
776	>	CompletionStage<? extends T> g,
777	>	Function<? super T,U> a) {
778	>	return f.applyToEitherAsync(g, a);
779	>	}
780	>	public <T> CompletableFuture<T> exceptionally
781	>	(CompletableFuture<T> f,
782	>	Function<Throwable, ? extends T> fn) {
783	>	return f.exceptionallyAsync(fn);
784	>	}
785	>
786	>	public <T> CompletableFuture<T> exceptionallyCompose
787	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
788	>	return f.exceptionallyComposeAsync(fn);
789	>	}
790	>
791	>	},
792	>
793	>	EXECUTOR {
794	>	public void checkExecutionMode() {
795	>	assertTrue(ThreadExecutor.startedCurrentThread());
796	>	}
797	>	public CompletableFuture<Void> runAsync(Runnable a) {
798	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
799	>	}
800	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
801	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
802	>	}
803	>	public <T> CompletableFuture<Void> thenRun
804	>	(CompletableFuture<T> f, Runnable a) {
805	>	return f.thenRunAsync(a, new ThreadExecutor());
806	>	}
807	>	public <T> CompletableFuture<Void> thenAccept
808	>	(CompletableFuture<T> f, Consumer<? super T> a) {
809	>	return f.thenAcceptAsync(a, new ThreadExecutor());
810	>	}
811	>	public <T,U> CompletableFuture<U> thenApply
812	>	(CompletableFuture<T> f, Function<? super T,U> a) {
813	>	return f.thenApplyAsync(a, new ThreadExecutor());
814		}
815		public <T,U> CompletableFuture<U> thenCompose
816		(CompletableFuture<T> f,
817		Function<? super T,? extends CompletionStage<U>> a) {
818	<	return f.thenComposeAsync(a);
818	>	return f.thenComposeAsync(a, new ThreadExecutor());
819	>	}
820	>	public <T,U> CompletableFuture<U> handle
821	>	(CompletableFuture<T> f,
822	>	BiFunction<? super T,Throwable,? extends U> a) {
823	>	return f.handleAsync(a, new ThreadExecutor());
824		}
825		public <T> CompletableFuture<T> whenComplete
826		(CompletableFuture<T> f,
827		BiConsumer<? super T,? super Throwable> a) {
828	<	return f.whenCompleteAsync(a);
828	>	return f.whenCompleteAsync(a, new ThreadExecutor());
829		}
562	–	},
563	–
564	–	EXECUTOR {
830		public <T,U> CompletableFuture<Void> runAfterBoth
831		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
832		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 578 | Line 843 | public class CompletableFutureTest exten
843		BiFunction<? super T,? super U,? extends V> a) {
844		return f.thenCombineAsync(g, a, new ThreadExecutor());
845		}
846	<	public <T,U> CompletableFuture<U> applyToEither
846	>	public <T> CompletableFuture<Void> runAfterEither
847		(CompletableFuture<T> f,
848	<	CompletionStage<? extends T> g,
849	<	Function<? super T,U> a) {
850	<	return f.applyToEitherAsync(g, a, new ThreadExecutor());
848	>	CompletionStage<?> g,
849	>	java.lang.Runnable a) {
850	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
851		}
852		public <T> CompletableFuture<Void> acceptEither
853		(CompletableFuture<T> f,
#	Line 590 | Line 855 | public class CompletableFutureTest exten
855		Consumer<? super T> a) {
856		return f.acceptEitherAsync(g, a, new ThreadExecutor());
857		}
858	<	public <T> CompletableFuture<Void> runAfterEither
858	>	public <T,U> CompletableFuture<U> applyToEither
859		(CompletableFuture<T> f,
860	<	CompletionStage<?> g,
861	<	java.lang.Runnable a) {
862	<	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
860	>	CompletionStage<? extends T> g,
861	>	Function<? super T,U> a) {
862	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
863		}
864	<	public <T,U> CompletableFuture<U> thenCompose
864	>	public <T> CompletableFuture<T> exceptionally
865		(CompletableFuture<T> f,
866	<	Function<? super T,? extends CompletionStage<U>> a) {
867	<	return f.thenComposeAsync(a, new ThreadExecutor());
866	>	Function<Throwable, ? extends T> fn) {
867	>	return f.exceptionallyAsync(fn, new ThreadExecutor());
868		}
869	<	public <T> CompletableFuture<T> whenComplete
870	<	(CompletableFuture<T> f,
871	<	BiConsumer<? super T,? super Throwable> a) {
607	<	return f.whenCompleteAsync(a, new ThreadExecutor());
869	>	public <T> CompletableFuture<T> exceptionallyCompose
870	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
871	>	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
872		}
873	+
874		};
875
876	+	public abstract void checkExecutionMode();
877	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
878	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
879	+	public abstract <T> CompletableFuture<Void> thenRun
880	+	(CompletableFuture<T> f, Runnable a);
881	+	public abstract <T> CompletableFuture<Void> thenAccept
882	+	(CompletableFuture<T> f, Consumer<? super T> a);
883	+	public abstract <T,U> CompletableFuture<U> thenApply
884	+	(CompletableFuture<T> f, Function<? super T,U> a);
885	+	public abstract <T,U> CompletableFuture<U> thenCompose
886	+	(CompletableFuture<T> f,
887	+	Function<? super T,? extends CompletionStage<U>> a);
888	+	public abstract <T,U> CompletableFuture<U> handle
889	+	(CompletableFuture<T> f,
890	+	BiFunction<? super T,Throwable,? extends U> a);
891	+	public abstract <T> CompletableFuture<T> whenComplete
892	+	(CompletableFuture<T> f,
893	+	BiConsumer<? super T,? super Throwable> a);
894		public abstract <T,U> CompletableFuture<Void> runAfterBoth
895		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
896		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
#	Line 618 | Line 901 | public class CompletableFutureTest exten
901		(CompletableFuture<T> f,
902		CompletionStage<? extends U> g,
903		BiFunction<? super T,? super U,? extends V> a);
904	<	public abstract <T,U> CompletableFuture<U> applyToEither
904	>	public abstract <T> CompletableFuture<Void> runAfterEither
905		(CompletableFuture<T> f,
906	<	CompletionStage<? extends T> g,
907	<	Function<? super T,U> a);
906	>	CompletionStage<?> g,
907	>	java.lang.Runnable a);
908		public abstract <T> CompletableFuture<Void> acceptEither
909		(CompletableFuture<T> f,
910		CompletionStage<? extends T> g,
911		Consumer<? super T> a);
912	<	public abstract <T> CompletableFuture<Void> runAfterEither
912	>	public abstract <T,U> CompletableFuture<U> applyToEither
913		(CompletableFuture<T> f,
914	<	CompletionStage<?> g,
915	<	java.lang.Runnable a);
916	<	public abstract <T,U> CompletableFuture<U> thenCompose
914	>	CompletionStage<? extends T> g,
915	>	Function<? super T,U> a);
916	>	public abstract <T> CompletableFuture<T> exceptionally
917		(CompletableFuture<T> f,
918	<	Function<? super T,? extends CompletionStage<U>> a);
919	<	public abstract <T> CompletableFuture<T> whenComplete
918	>	Function<Throwable, ? extends T> fn);
919	>	public abstract <T> CompletableFuture<T> exceptionallyCompose
920		(CompletableFuture<T> f,
921	<	BiConsumer<? super T,? super Throwable> a);
639	<
640	<
641	<	}
642	<
643	<	/**
644	<	* exceptionally action completes with function value on source
645	<	* exception; otherwise with source value
646	<	*/
647	<	public void testExceptionally() {
648	<	CompletableFuture<Integer> f = new CompletableFuture<>();
649	<	ExceptionToInteger r = new ExceptionToInteger();
650	<	CompletableFuture<Integer> g = f.exceptionally(r);
651	<	f.completeExceptionally(new CFException());
652	<	checkCompletedNormally(g, three);
653	<
654	<	f = new CompletableFuture<>();
655	<	r = new ExceptionToInteger();
656	<	g = f.exceptionally(r);
657	<	f.complete(one);
658	<	checkCompletedNormally(g, one);
659	<	}
660	<
661	<	/**
662	<	* handle action completes normally with function value on either
663	<	* normal or exceptional completion of source
664	<	*/
665	<	public void testHandle() {
666	<	CompletableFuture<Integer> f, g;
667	<	IntegerHandler r;
668	<
669	<	f = new CompletableFuture<>();
670	<	f.completeExceptionally(new CFException());
671	<	g = f.handle(r = new IntegerHandler());
672	<	assertEquals(1, r.invocationCount);
673	<	assertEquals(1, r.invocationCount);
674	<	checkCompletedNormally(g, three);
675	<
676	<	f = new CompletableFuture<>();
677	<	g = f.handle(r = new IntegerHandler());
678	<	assertEquals(0, r.invocationCount);
679	<	f.completeExceptionally(new CFException());
680	<	checkCompletedNormally(g, three);
681	<	assertEquals(1, r.invocationCount);
682	<
683	<	f = new CompletableFuture<>();
684	<	f.complete(one);
685	<	g = f.handle(r = new IntegerHandler());
686	<	assertEquals(1, r.invocationCount);
687	<	checkCompletedNormally(g, two);
688	<
689	<	f = new CompletableFuture<>();
690	<	g = f.handle(r = new IntegerHandler());
691	<	assertEquals(0, r.invocationCount);
692	<	f.complete(one);
693	<	assertEquals(1, r.invocationCount);
694	<	checkCompletedNormally(g, two);
695	<	}
696	<
697	<	/**
698	<	* runAsync completes after running Runnable
699	<	*/
700	<	public void testRunAsync() {
701	<	Noop r = new Noop();
702	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
703	<	assertNull(f.join());
704	<	assertEquals(1, r.invocationCount);
705	<	checkCompletedNormally(f, null);
706	<	}
707	<
708	<	/**
709	<	* runAsync with executor completes after running Runnable
710	<	*/
711	<	public void testRunAsync2() {
712	<	Noop r = new Noop();
713	<	ThreadExecutor exec = new ThreadExecutor();
714	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
715	<	assertNull(f.join());
716	<	assertEquals(1, r.invocationCount);
717	<	checkCompletedNormally(f, null);
718	<	assertEquals(1, exec.count.get());
719	<	}
720	<
721	<	/**
722	<	* failing runAsync completes exceptionally after running Runnable
723	<	*/
724	<	public void testRunAsync3() {
725	<	FailingNoop r = new FailingNoop();
726	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
727	<	checkCompletedWithWrappedCFException(f);
728	<	assertEquals(1, r.invocationCount);
921	>	Function<Throwable, ? extends CompletionStage<T>> fn);
922		}
923
924		/**
925	<	* supplyAsync completes with result of supplier
925	>	* exceptionally action is not invoked when source completes
926	>	* normally, and source result is propagated
927		*/
928	<	public void testSupplyAsync() {
929	<	CompletableFuture<Integer> f;
930	<	f = CompletableFuture.supplyAsync(supplyOne);
931	<	assertEquals(f.join(), one);
932	<	checkCompletedNormally(f, one);
933	<	}
928	>	public void testExceptionally_normalCompletion() {
929	>	for (ExecutionMode m : ExecutionMode.values())
930	>	for (boolean createIncomplete : new boolean[] { true, false })
931	>	for (Integer v1 : new Integer[] { 1, null })
932	>	{
933	>	final AtomicInteger a = new AtomicInteger(0);
934	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
935	>	if (!createIncomplete) assertTrue(f.complete(v1));
936	>	final CompletableFuture<Integer> g = m.exceptionally
937	>	(f, (Throwable t) -> {
938	>	a.getAndIncrement();
939	>	threadFail("should not be called");
940	>	return null;            // unreached
941	>	});
942	>	if (createIncomplete) assertTrue(f.complete(v1));
943
944	<	/**
945	<	* supplyAsync with executor completes with result of supplier
946	<	*/
947	<	public void testSupplyAsync2() {
745	<	CompletableFuture<Integer> f;
746	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
747	<	assertEquals(f.join(), one);
748	<	checkCompletedNormally(f, one);
749	<	}
944	>	checkCompletedNormally(g, v1);
945	>	checkCompletedNormally(f, v1);
946	>	assertEquals(0, a.get());
947	>	}}
948
949		/**
950	<	* Failing supplyAsync completes exceptionally
950	>	* exceptionally action completes with function value on source
951	>	* exception
952		*/
953	<	public void testSupplyAsync3() {
954	<	FailingSupplier r = new FailingSupplier();
955	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
956	<	checkCompletedWithWrappedCFException(f);
957	<	assertEquals(1, r.invocationCount);
958	<	}
953	>	public void testExceptionally_exceptionalCompletion() {
954	>	for (ExecutionMode m : ExecutionMode.values())
955	>	for (boolean createIncomplete : new boolean[] { true, false })
956	>	for (Integer v1 : new Integer[] { 1, null })
957	>	{
958	>	final AtomicInteger a = new AtomicInteger(0);
959	>	final CFException ex = new CFException();
960	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
961	>	if (!createIncomplete) f.completeExceptionally(ex);
962	>	final CompletableFuture<Integer> g = m.exceptionally
963	>	(f, (Throwable t) -> {
964	>	m.checkExecutionMode();
965	>	threadAssertSame(t, ex);
966	>	a.getAndIncrement();
967	>	return v1;
968	>	});
969	>	if (createIncomplete) f.completeExceptionally(ex);
970
971	<	// seq completion methods
971	>	checkCompletedNormally(g, v1);
972	>	assertEquals(1, a.get());
973	>	}}
974
975		/**
976	<	* thenRun result completes normally after normal completion of source
976	>	* If an "exceptionally action" throws an exception, it completes
977	>	* exceptionally with that exception
978		*/
979	<	public void testThenRun() {
980	<	CompletableFuture<Integer> f;
981	<	CompletableFuture<Void> g;
982	<	Noop r;
983	<
984	<	f = new CompletableFuture<>();
985	<	g = f.thenRun(r = new Noop());
986	<	f.complete(null);
987	<	checkCompletedNormally(g, null);
988	<	assertEquals(1, r.invocationCount);
979	>	public void testExceptionally_exceptionalCompletionActionFailed() {
980	>	for (ExecutionMode m : ExecutionMode.values())
981	>	for (boolean createIncomplete : new boolean[] { true, false })
982	>	{
983	>	final AtomicInteger a = new AtomicInteger(0);
984	>	final CFException ex1 = new CFException();
985	>	final CFException ex2 = new CFException();
986	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
987	>	if (!createIncomplete) f.completeExceptionally(ex1);
988	>	final CompletableFuture<Integer> g = m.exceptionally
989	>	(f, (Throwable t) -> {
990	>	m.checkExecutionMode();
991	>	threadAssertSame(t, ex1);
992	>	a.getAndIncrement();
993	>	throw ex2;
994	>	});
995	>	if (createIncomplete) f.completeExceptionally(ex1);
996
997	<	f = new CompletableFuture<>();
998	<	f.complete(null);
999	<	g = f.thenRun(r = new Noop());
1000	<	checkCompletedNormally(g, null);
781	<	assertEquals(1, r.invocationCount);
782	<	}
997	>	checkCompletedWithWrappedException(g, ex2);
998	>	checkCompletedExceptionally(f, ex1);
999	>	assertEquals(1, a.get());
1000	>	}}
1001
1002		/**
1003	<	* thenRun result completes exceptionally after exceptional
1004	<	* completion of source
1003	>	* whenComplete action executes on normal completion, propagating
1004	>	* source result.
1005		*/
1006	<	public void testThenRun2() {
1007	<	CompletableFuture<Integer> f;
1008	<	CompletableFuture<Void> g;
1009	<	Noop r;
1010	<
1011	<	f = new CompletableFuture<>();
1012	<	g = f.thenRun(r = new Noop());
1013	<	f.completeExceptionally(new CFException());
1014	<	checkCompletedWithWrappedCFException(g);
1015	<	assertEquals(0, r.invocationCount);
1006	>	public void testWhenComplete_normalCompletion() {
1007	>	for (ExecutionMode m : ExecutionMode.values())
1008	>	for (boolean createIncomplete : new boolean[] { true, false })
1009	>	for (Integer v1 : new Integer[] { 1, null })
1010	>	{
1011	>	final AtomicInteger a = new AtomicInteger(0);
1012	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1013	>	if (!createIncomplete) assertTrue(f.complete(v1));
1014	>	final CompletableFuture<Integer> g = m.whenComplete
1015	>	(f,
1016	>	(Integer result, Throwable t) -> {
1017	>	m.checkExecutionMode();
1018	>	threadAssertSame(result, v1);
1019	>	threadAssertNull(t);
1020	>	a.getAndIncrement();
1021	>	});
1022	>	if (createIncomplete) assertTrue(f.complete(v1));
1023
1024	<	f = new CompletableFuture<>();
1025	<	f.completeExceptionally(new CFException());
1026	<	g = f.thenRun(r = new Noop());
1027	<	checkCompletedWithWrappedCFException(g);
803	<	assertEquals(0, r.invocationCount);
804	<	}
1024	>	checkCompletedNormally(g, v1);
1025	>	checkCompletedNormally(f, v1);
1026	>	assertEquals(1, a.get());
1027	>	}}
1028
1029		/**
1030	<	* thenRun result completes exceptionally if action does
1030	>	* whenComplete action executes on exceptional completion, propagating
1031	>	* source result.
1032		*/
1033	<	public void testThenRun3() {
1034	<	CompletableFuture<Integer> f;
1035	<	CompletableFuture<Void> g;
1036	<	FailingNoop r;
1037	<
1038	<	f = new CompletableFuture<>();
1039	<	g = f.thenRun(r = new FailingNoop());
1040	<	f.complete(null);
1041	<	checkCompletedWithWrappedCFException(g);
1033	>	public void testWhenComplete_exceptionalCompletion() {
1034	>	for (ExecutionMode m : ExecutionMode.values())
1035	>	for (boolean createIncomplete : new boolean[] { true, false })
1036	>	{
1037	>	final AtomicInteger a = new AtomicInteger(0);
1038	>	final CFException ex = new CFException();
1039	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1040	>	if (!createIncomplete) f.completeExceptionally(ex);
1041	>	final CompletableFuture<Integer> g = m.whenComplete
1042	>	(f,
1043	>	(Integer result, Throwable t) -> {
1044	>	m.checkExecutionMode();
1045	>	threadAssertNull(result);
1046	>	threadAssertSame(t, ex);
1047	>	a.getAndIncrement();
1048	>	});
1049	>	if (createIncomplete) f.completeExceptionally(ex);
1050
1051	<	f = new CompletableFuture<>();
1052	<	f.complete(null);
1053	<	g = f.thenRun(r = new FailingNoop());
1054	<	checkCompletedWithWrappedCFException(g);
823	<	}
1051	>	checkCompletedWithWrappedException(g, ex);
1052	>	checkCompletedExceptionally(f, ex);
1053	>	assertEquals(1, a.get());
1054	>	}}
1055
1056		/**
1057	<	* thenRun result completes exceptionally if source cancelled
1057	>	* whenComplete action executes on cancelled source, propagating
1058	>	* CancellationException.
1059		*/
1060	<	public void testThenRun4() {
1061	<	CompletableFuture<Integer> f;
1062	<	CompletableFuture<Void> g;
1063	<	Noop r;
1064	<
1065	<	f = new CompletableFuture<>();
1066	<	g = f.thenRun(r = new Noop());
1067	<	assertTrue(f.cancel(true));
1068	<	checkCompletedWithWrappedCancellationException(g);
1060	>	public void testWhenComplete_sourceCancelled() {
1061	>	for (ExecutionMode m : ExecutionMode.values())
1062	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1063	>	for (boolean createIncomplete : new boolean[] { true, false })
1064	>	{
1065	>	final AtomicInteger a = new AtomicInteger(0);
1066	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1067	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1068	>	final CompletableFuture<Integer> g = m.whenComplete
1069	>	(f,
1070	>	(Integer result, Throwable t) -> {
1071	>	m.checkExecutionMode();
1072	>	threadAssertNull(result);
1073	>	threadAssertTrue(t instanceof CancellationException);
1074	>	a.getAndIncrement();
1075	>	});
1076	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1077
838	–	f = new CompletableFuture<>();
839	–	assertTrue(f.cancel(true));
840	–	g = f.thenRun(r = new Noop());
1078		checkCompletedWithWrappedCancellationException(g);
1079	<	}
1079	>	checkCancelled(f);
1080	>	assertEquals(1, a.get());
1081	>	}}
1082
1083		/**
1084	<	* thenApply result completes normally after normal completion of source
1084	>	* If a whenComplete action throws an exception when triggered by
1085	>	* a normal completion, it completes exceptionally
1086		*/
1087	<	public void testThenApply() {
1088	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1089	<	CompletableFuture<Integer> g = f.thenApply(inc);
1090	<	f.complete(one);
1091	<	checkCompletedNormally(g, two);
1092	<	}
1087	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1088	>	for (boolean createIncomplete : new boolean[] { true, false })
1089	>	for (ExecutionMode m : ExecutionMode.values())
1090	>	for (Integer v1 : new Integer[] { 1, null })
1091	>	{
1092	>	final AtomicInteger a = new AtomicInteger(0);
1093	>	final CFException ex = new CFException();
1094	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1095	>	if (!createIncomplete) assertTrue(f.complete(v1));
1096	>	final CompletableFuture<Integer> g = m.whenComplete
1097	>	(f,
1098	>	(Integer result, Throwable t) -> {
1099	>	m.checkExecutionMode();
1100	>	threadAssertSame(result, v1);
1101	>	threadAssertNull(t);
1102	>	a.getAndIncrement();
1103	>	throw ex;
1104	>	});
1105	>	if (createIncomplete) assertTrue(f.complete(v1));
1106
1107	<	/**
1108	<	* thenApply result completes exceptionally after exceptional
1109	<	* completion of source
1110	<	*/
858	<	public void testThenApply2() {
859	<	CompletableFuture<Integer> f = new CompletableFuture<>();
860	<	CompletableFuture<Integer> g = f.thenApply(inc);
861	<	f.completeExceptionally(new CFException());
862	<	checkCompletedWithWrappedCFException(g);
863	<	}
1107	>	checkCompletedWithWrappedException(g, ex);
1108	>	checkCompletedNormally(f, v1);
1109	>	assertEquals(1, a.get());
1110	>	}}
1111
1112		/**
1113	<	* thenApply result completes exceptionally if action does
1113	>	* If a whenComplete action throws an exception when triggered by
1114	>	* a source completion that also throws an exception, the source
1115	>	* exception takes precedence (unlike handle)
1116		*/
1117	<	public void testThenApply3() {
1118	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1119	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1120	<	f.complete(one);
1121	<	checkCompletedWithWrappedCFException(g);
1122	<	}
1117	>	public void testWhenComplete_sourceFailedActionFailed() {
1118	>	for (boolean createIncomplete : new boolean[] { true, false })
1119	>	for (ExecutionMode m : ExecutionMode.values())
1120	>	{
1121	>	final AtomicInteger a = new AtomicInteger(0);
1122	>	final CFException ex1 = new CFException();
1123	>	final CFException ex2 = new CFException();
1124	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1125
1126	<	/**
1127	<	* thenApply result completes exceptionally if source cancelled
1128	<	*/
1129	<	public void testThenApply4() {
1130	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1131	<	CompletableFuture<Integer> g = f.thenApply(inc);
1132	<	assertTrue(f.cancel(true));
1133	<	checkCompletedWithWrappedCancellationException(g);
1134	<	}
1126	>	if (!createIncomplete) f.completeExceptionally(ex1);
1127	>	final CompletableFuture<Integer> g = m.whenComplete
1128	>	(f,
1129	>	(Integer result, Throwable t) -> {
1130	>	m.checkExecutionMode();
1131	>	threadAssertSame(t, ex1);
1132	>	threadAssertNull(result);
1133	>	a.getAndIncrement();
1134	>	throw ex2;
1135	>	});
1136	>	if (createIncomplete) f.completeExceptionally(ex1);
1137
1138	<	/**
1139	<	* thenAccept result completes normally after normal completion of source
1140	<	*/
1141	<	public void testThenAccept() {
1142	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1143	<	IncAction r = new IncAction();
1144	<	CompletableFuture<Void> g = f.thenAccept(r);
1145	<	f.complete(one);
893	<	checkCompletedNormally(g, null);
894	<	assertEquals(r.value, (Integer) 2);
895	<	}
1138	>	checkCompletedWithWrappedException(g, ex1);
1139	>	checkCompletedExceptionally(f, ex1);
1140	>	if (testImplementationDetails) {
1141	>	assertEquals(1, ex1.getSuppressed().length);
1142	>	assertSame(ex2, ex1.getSuppressed()[0]);
1143	>	}
1144	>	assertEquals(1, a.get());
1145	>	}}
1146
1147		/**
1148	<	* thenAccept result completes exceptionally after exceptional
1148	>	* handle action completes normally with function value on normal
1149		* completion of source
1150		*/
1151	<	public void testThenAccept2() {
902	<	CompletableFuture<Integer> f = new CompletableFuture<>();
903	<	IncAction r = new IncAction();
904	<	CompletableFuture<Void> g = f.thenAccept(r);
905	<	f.completeExceptionally(new CFException());
906	<	checkCompletedWithWrappedCFException(g);
907	<	}
908	<
909	<	/**
910	<	* thenAccept result completes exceptionally if action does
911	<	*/
912	<	public void testThenAccept3() {
913	<	CompletableFuture<Integer> f = new CompletableFuture<>();
914	<	FailingConsumer r = new FailingConsumer();
915	<	CompletableFuture<Void> g = f.thenAccept(r);
916	<	f.complete(one);
917	<	checkCompletedWithWrappedCFException(g);
918	<	assertEquals(1, r.invocationCount);
919	<	}
920	<
921	<	/**
922	<	* thenAccept result completes exceptionally if source cancelled
923	<	*/
924	<	public void testThenAccept4() {
925	<	CompletableFuture<Integer> f = new CompletableFuture<>();
926	<	IncAction r = new IncAction();
927	<	CompletableFuture<Void> g = f.thenAccept(r);
928	<	assertTrue(f.cancel(true));
929	<	checkCompletedWithWrappedCancellationException(g);
930	<	}
931	<
932	<	/**
933	<	* thenCombine result completes normally after normal completion
934	<	* of sources
935	<	*/
936	<	public void testThenCombine_normalCompletion1() {
937	<	for (boolean createIncomplete : new boolean[] { true, false })
938	<	for (boolean fFirst : new boolean[] { true, false })
1151	>	public void testHandle_normalCompletion() {
1152		for (ExecutionMode m : ExecutionMode.values())
1153	+	for (boolean createIncomplete : new boolean[] { true, false })
1154		for (Integer v1 : new Integer[] { 1, null })
1155	<	for (Integer v2 : new Integer[] { 2, null }) {
942	<
1155	>	{
1156		final CompletableFuture<Integer> f = new CompletableFuture<>();
1157	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1158	<	final SubtractFunction r = new SubtractFunction();
1159	<	CompletableFuture<Integer> h = null;
1160	<	if (createIncomplete) h = m.thenCombine(f, g, r);
1161	<
1162	<	if (fFirst)
1163	<	f.complete(v1);
1164	<	else
1165	<	g.complete(v2);
1166	<	if (createIncomplete) checkIncomplete(h);
1167	<	assertEquals(0, r.invocationCount);
1168	<	if (!fFirst)
956	<	f.complete(v1);
957	<	else
958	<	g.complete(v2);
959	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1157	>	final AtomicInteger a = new AtomicInteger(0);
1158	>	if (!createIncomplete) assertTrue(f.complete(v1));
1159	>	final CompletableFuture<Integer> g = m.handle
1160	>	(f,
1161	>	(Integer result, Throwable t) -> {
1162	>	m.checkExecutionMode();
1163	>	threadAssertSame(result, v1);
1164	>	threadAssertNull(t);
1165	>	a.getAndIncrement();
1166	>	return inc(v1);
1167	>	});
1168	>	if (createIncomplete) assertTrue(f.complete(v1));
1169
1170	<	checkCompletedNormally(h, subtract(v1, v2));
1170	>	checkCompletedNormally(g, inc(v1));
1171		checkCompletedNormally(f, v1);
1172	<	checkCompletedNormally(g, v2);
1173	<	assertEquals(1, r.invocationCount);
965	<	}
966	<	}
1172	>	assertEquals(1, a.get());
1173	>	}}
1174
1175		/**
1176	<	* thenCombine result completes exceptionally after exceptional
1177	<	* completion of either source
1176	>	* handle action completes normally with function value on
1177	>	* exceptional completion of source
1178		*/
1179	<	public void testThenCombine_exceptionalCompletion1() {
1179	>	public void testHandle_exceptionalCompletion() {
1180		for (ExecutionMode m : ExecutionMode.values())
1181	<	for (Integer v1 : new Integer[] { 1, null }) {
1182	<
1181	>	for (boolean createIncomplete : new boolean[] { true, false })
1182	>	for (Integer v1 : new Integer[] { 1, null })
1183	>	{
1184		final CompletableFuture<Integer> f = new CompletableFuture<>();
1185	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
978	<	final SubtractFunction r = new SubtractFunction();
979	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1185	>	final AtomicInteger a = new AtomicInteger(0);
1186		final CFException ex = new CFException();
1187	+	if (!createIncomplete) f.completeExceptionally(ex);
1188	+	final CompletableFuture<Integer> g = m.handle
1189	+	(f,
1190	+	(Integer result, Throwable t) -> {
1191	+	m.checkExecutionMode();
1192	+	threadAssertNull(result);
1193	+	threadAssertSame(t, ex);
1194	+	a.getAndIncrement();
1195	+	return v1;
1196	+	});
1197	+	if (createIncomplete) f.completeExceptionally(ex);
1198
982	–	f.completeExceptionally(ex);
983	–	checkIncomplete(h);
984	–	g.complete(v1);
985	–
986	–	checkCompletedWithWrappedCFException(h, ex);
987	–	checkCompletedWithWrappedCFException(f, ex);
988	–	assertEquals(0, r.invocationCount);
1199		checkCompletedNormally(g, v1);
1200	<	}
1201	<	}
1200	>	checkCompletedExceptionally(f, ex);
1201	>	assertEquals(1, a.get());
1202	>	}}
1203
1204	<	public void testThenCombine_exceptionalCompletion2() {
1204	>	/**
1205	>	* handle action completes normally with function value on
1206	>	* cancelled source
1207	>	*/
1208	>	public void testHandle_sourceCancelled() {
1209		for (ExecutionMode m : ExecutionMode.values())
1210	<	for (Integer v1 : new Integer[] { 1, null }) {
1211	<
1210	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1211	>	for (boolean createIncomplete : new boolean[] { true, false })
1212	>	for (Integer v1 : new Integer[] { 1, null })
1213	>	{
1214		final CompletableFuture<Integer> f = new CompletableFuture<>();
1215	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1216	<	final SubtractFunction r = new SubtractFunction();
1217	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1218	<	final CFException ex = new CFException();
1219	<
1220	<	g.completeExceptionally(ex);
1221	<	checkIncomplete(h);
1222	<	f.complete(v1);
1215	>	final AtomicInteger a = new AtomicInteger(0);
1216	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1217	>	final CompletableFuture<Integer> g = m.handle
1218	>	(f,
1219	>	(Integer result, Throwable t) -> {
1220	>	m.checkExecutionMode();
1221	>	threadAssertNull(result);
1222	>	threadAssertTrue(t instanceof CancellationException);
1223	>	a.getAndIncrement();
1224	>	return v1;
1225	>	});
1226	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1227
1228	<	checkCompletedWithWrappedCFException(h, ex);
1229	<	checkCompletedWithWrappedCFException(g, ex);
1230	<	assertEquals(0, r.invocationCount);
1231	<	checkCompletedNormally(f, v1);
1011	<	}
1012	<	}
1228	>	checkCompletedNormally(g, v1);
1229	>	checkCancelled(f);
1230	>	assertEquals(1, a.get());
1231	>	}}
1232
1233	<	public void testThenCombine_exceptionalCompletion3() {
1233	>	/**
1234	>	* If a "handle action" throws an exception when triggered by
1235	>	* a normal completion, it completes exceptionally
1236	>	*/
1237	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1238		for (ExecutionMode m : ExecutionMode.values())
1239	<	for (Integer v1 : new Integer[] { 1, null }) {
1240	<
1239	>	for (boolean createIncomplete : new boolean[] { true, false })
1240	>	for (Integer v1 : new Integer[] { 1, null })
1241	>	{
1242		final CompletableFuture<Integer> f = new CompletableFuture<>();
1243	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1020	<	final SubtractFunction r = new SubtractFunction();
1243	>	final AtomicInteger a = new AtomicInteger(0);
1244		final CFException ex = new CFException();
1245	+	if (!createIncomplete) assertTrue(f.complete(v1));
1246	+	final CompletableFuture<Integer> g = m.handle
1247	+	(f,
1248	+	(Integer result, Throwable t) -> {
1249	+	m.checkExecutionMode();
1250	+	threadAssertSame(result, v1);
1251	+	threadAssertNull(t);
1252	+	a.getAndIncrement();
1253	+	throw ex;
1254	+	});
1255	+	if (createIncomplete) assertTrue(f.complete(v1));
1256
1257	<	g.completeExceptionally(ex);
1024	<	f.complete(v1);
1025	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1026	<
1027	<	checkCompletedWithWrappedCFException(h, ex);
1028	<	checkCompletedWithWrappedCFException(g, ex);
1029	<	assertEquals(0, r.invocationCount);
1257	>	checkCompletedWithWrappedException(g, ex);
1258		checkCompletedNormally(f, v1);
1259	<	}
1260	<	}
1259	>	assertEquals(1, a.get());
1260	>	}}
1261
1262	<	public void testThenCombine_exceptionalCompletion4() {
1262	>	/**
1263	>	* If a "handle action" throws an exception when triggered by
1264	>	* a source completion that also throws an exception, the action
1265	>	* exception takes precedence (unlike whenComplete)
1266	>	*/
1267	>	public void testHandle_sourceFailedActionFailed() {
1268	>	for (boolean createIncomplete : new boolean[] { true, false })
1269		for (ExecutionMode m : ExecutionMode.values())
1270	<	for (Integer v1 : new Integer[] { 1, null }) {
1271	<
1270	>	{
1271	>	final AtomicInteger a = new AtomicInteger(0);
1272	>	final CFException ex1 = new CFException();
1273	>	final CFException ex2 = new CFException();
1274		final CompletableFuture<Integer> f = new CompletableFuture<>();
1039	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1040	–	final SubtractFunction r = new SubtractFunction();
1041	–	final CFException ex = new CFException();
1275
1276	<	f.completeExceptionally(ex);
1277	<	g.complete(v1);
1278	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1276	>	if (!createIncomplete) f.completeExceptionally(ex1);
1277	>	final CompletableFuture<Integer> g = m.handle
1278	>	(f,
1279	>	(Integer result, Throwable t) -> {
1280	>	m.checkExecutionMode();
1281	>	threadAssertNull(result);
1282	>	threadAssertSame(ex1, t);
1283	>	a.getAndIncrement();
1284	>	throw ex2;
1285	>	});
1286	>	if (createIncomplete) f.completeExceptionally(ex1);
1287
1288	<	checkCompletedWithWrappedCFException(h, ex);
1289	<	checkCompletedWithWrappedCFException(f, ex);
1290	<	assertEquals(0, r.invocationCount);
1291	<	checkCompletedNormally(g, v1);
1051	<	}
1052	<	}
1288	>	checkCompletedWithWrappedException(g, ex2);
1289	>	checkCompletedExceptionally(f, ex1);
1290	>	assertEquals(1, a.get());
1291	>	}}
1292
1293		/**
1294	<	* thenCombine result completes exceptionally if action does
1294	>	* runAsync completes after running Runnable
1295		*/
1296	<	public void testThenCombine_actionFailed1() {
1297	<	for (ExecutionMode m : ExecutionMode.values())
1298	<	for (Integer v1 : new Integer[] { 1, null })
1299	<	for (Integer v2 : new Integer[] { 2, null }) {
1300	<
1301	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1302	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1303	<	final FailingBiFunction r = new FailingBiFunction();
1304	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1305	<
1306	<	f.complete(v1);
1307	<	checkIncomplete(h);
1308	<	g.complete(v2);
1296	>	public void testRunAsync_normalCompletion() {
1297	>	ExecutionMode[] executionModes = {
1298	>	ExecutionMode.ASYNC,
1299	>	ExecutionMode.EXECUTOR,
1300	>	};
1301	>	for (ExecutionMode m : executionModes)
1302	>	{
1303	>	final Noop r = new Noop(m);
1304	>	final CompletableFuture<Void> f = m.runAsync(r);
1305	>	assertNull(f.join());
1306	>	checkCompletedNormally(f, null);
1307	>	r.assertInvoked();
1308	>	}}
1309
1310	<	checkCompletedWithWrappedCFException(h);
1311	<	checkCompletedNormally(f, v1);
1312	<	checkCompletedNormally(g, v2);
1310	>	/**
1311	>	* failing runAsync completes exceptionally after running Runnable
1312	>	*/
1313	>	public void testRunAsync_exceptionalCompletion() {
1314	>	ExecutionMode[] executionModes = {
1315	>	ExecutionMode.ASYNC,
1316	>	ExecutionMode.EXECUTOR,
1317	>	};
1318	>	for (ExecutionMode m : executionModes)
1319	>	{
1320	>	final FailingRunnable r = new FailingRunnable(m);
1321	>	final CompletableFuture<Void> f = m.runAsync(r);
1322	>	checkCompletedWithWrappedException(f, r.ex);
1323	>	r.assertInvoked();
1324	>	}}
1325	>
1326	>	@SuppressWarnings("FutureReturnValueIgnored")
1327	>	public void testRunAsync_rejectingExecutor() {
1328	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1329	>	try {
1330	>	CompletableFuture.runAsync(() -> {}, e);
1331	>	shouldThrow();
1332	>	} catch (Throwable t) {
1333	>	assertSame(e.ex, t);
1334		}
1335	+
1336	+	assertEquals(1, e.count.get());
1337		}
1338
1339	<	public void testThenCombine_actionFailed2() {
1340	<	for (ExecutionMode m : ExecutionMode.values())
1339	>	/**
1340	>	* supplyAsync completes with result of supplier
1341	>	*/
1342	>	public void testSupplyAsync_normalCompletion() {
1343	>	ExecutionMode[] executionModes = {
1344	>	ExecutionMode.ASYNC,
1345	>	ExecutionMode.EXECUTOR,
1346	>	};
1347	>	for (ExecutionMode m : executionModes)
1348		for (Integer v1 : new Integer[] { 1, null })
1349	<	for (Integer v2 : new Integer[] { 2, null }) {
1350	<
1351	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1352	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1084	<	final FailingBiFunction r = new FailingBiFunction();
1085	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1086	<
1087	<	g.complete(v2);
1088	<	checkIncomplete(h);
1089	<	f.complete(v1);
1090	<
1091	<	checkCompletedWithWrappedCFException(h);
1349	>	{
1350	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1351	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1352	>	assertSame(v1, f.join());
1353		checkCompletedNormally(f, v1);
1354	<	checkCompletedNormally(g, v2);
1355	<	}
1095	<	}
1354	>	r.assertInvoked();
1355	>	}}
1356
1357		/**
1358	<	* thenCombine result completes exceptionally if either source cancelled
1358	>	* Failing supplyAsync completes exceptionally
1359		*/
1360	<	public void testThenCombine_sourceCancelled1() {
1361	<	for (ExecutionMode m : ExecutionMode.values())
1362	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1363	<	for (Integer v1 : new Integer[] { 1, null }) {
1364	<
1365	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1366	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1367	<	final SubtractFunction r = new SubtractFunction();
1368	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1369	<
1370	<	assertTrue(f.cancel(mayInterruptIfRunning));
1371	<	checkIncomplete(h);
1372	<	g.complete(v1);
1373	<
1374	<	checkCompletedWithWrappedCancellationException(h);
1375	<	checkCancelled(f);
1376	<	assertEquals(0, r.invocationCount);
1377	<	checkCompletedNormally(g, v1);
1360	>	public void testSupplyAsync_exceptionalCompletion() {
1361	>	ExecutionMode[] executionModes = {
1362	>	ExecutionMode.ASYNC,
1363	>	ExecutionMode.EXECUTOR,
1364	>	};
1365	>	for (ExecutionMode m : executionModes)
1366	>	{
1367	>	FailingSupplier r = new FailingSupplier(m);
1368	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1369	>	checkCompletedWithWrappedException(f, r.ex);
1370	>	r.assertInvoked();
1371	>	}}
1372	>
1373	>	@SuppressWarnings("FutureReturnValueIgnored")
1374	>	public void testSupplyAsync_rejectingExecutor() {
1375	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1376	>	try {
1377	>	CompletableFuture.supplyAsync(() -> null, e);
1378	>	shouldThrow();
1379	>	} catch (Throwable t) {
1380	>	assertSame(e.ex, t);
1381		}
1382	+
1383	+	assertEquals(1, e.count.get());
1384		}
1385
1386	<	public void testThenCombine_sourceCancelled2() {
1122	<	for (ExecutionMode m : ExecutionMode.values())
1123	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1124	<	for (Integer v1 : new Integer[] { 1, null }) {
1386	>	// seq completion methods
1387
1388	+	/**
1389	+	* thenRun result completes normally after normal completion of source
1390	+	*/
1391	+	public void testThenRun_normalCompletion() {
1392	+	for (ExecutionMode m : ExecutionMode.values())
1393	+	for (Integer v1 : new Integer[] { 1, null })
1394	+	{
1395		final CompletableFuture<Integer> f = new CompletableFuture<>();
1396	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1397	<	final SubtractFunction r = new SubtractFunction();
1129	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1130	<
1131	<	assertTrue(g.cancel(mayInterruptIfRunning));
1132	<	checkIncomplete(h);
1133	<	f.complete(v1);
1396	>	final Noop[] rs = new Noop[6];
1397	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1398
1399	<	checkCompletedWithWrappedCancellationException(h);
1400	<	checkCancelled(g);
1401	<	assertEquals(0, r.invocationCount);
1399	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1400	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1401	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1402	>	checkIncomplete(h0);
1403	>	checkIncomplete(h1);
1404	>	checkIncomplete(h2);
1405	>	assertTrue(f.complete(v1));
1406	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1407	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1408	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1409	>
1410	>	checkCompletedNormally(h0, null);
1411	>	checkCompletedNormally(h1, null);
1412	>	checkCompletedNormally(h2, null);
1413	>	checkCompletedNormally(h3, null);
1414	>	checkCompletedNormally(h4, null);
1415	>	checkCompletedNormally(h5, null);
1416		checkCompletedNormally(f, v1);
1417	<	}
1418	<	}
1417	>	for (Noop r : rs) r.assertInvoked();
1418	>	}}
1419
1420	<	public void testThenCombine_sourceCancelled3() {
1420	>	/**
1421	>	* thenRun result completes exceptionally after exceptional
1422	>	* completion of source
1423	>	*/
1424	>	public void testThenRun_exceptionalCompletion() {
1425		for (ExecutionMode m : ExecutionMode.values())
1426	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1427	<	for (Integer v1 : new Integer[] { 1, null }) {
1146	<
1426	>	{
1427	>	final CFException ex = new CFException();
1428		final CompletableFuture<Integer> f = new CompletableFuture<>();
1429	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1430	<	final SubtractFunction r = new SubtractFunction();
1150	<
1151	<	assertTrue(g.cancel(mayInterruptIfRunning));
1152	<	f.complete(v1);
1153	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1429	>	final Noop[] rs = new Noop[6];
1430	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1431
1432	<	checkCompletedWithWrappedCancellationException(h);
1433	<	checkCancelled(g);
1434	<	assertEquals(0, r.invocationCount);
1435	<	checkCompletedNormally(f, v1);
1436	<	}
1437	<	}
1432	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1433	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1434	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1435	>	checkIncomplete(h0);
1436	>	checkIncomplete(h1);
1437	>	checkIncomplete(h2);
1438	>	assertTrue(f.completeExceptionally(ex));
1439	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1440	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1441	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1442	>
1443	>	checkCompletedWithWrappedException(h0, ex);
1444	>	checkCompletedWithWrappedException(h1, ex);
1445	>	checkCompletedWithWrappedException(h2, ex);
1446	>	checkCompletedWithWrappedException(h3, ex);
1447	>	checkCompletedWithWrappedException(h4, ex);
1448	>	checkCompletedWithWrappedException(h5, ex);
1449	>	checkCompletedExceptionally(f, ex);
1450	>	for (Noop r : rs) r.assertNotInvoked();
1451	>	}}
1452
1453	<	public void testThenCombine_sourceCancelled4() {
1453	>	/**
1454	>	* thenRun result completes exceptionally if source cancelled
1455	>	*/
1456	>	public void testThenRun_sourceCancelled() {
1457		for (ExecutionMode m : ExecutionMode.values())
1458		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1459	<	for (Integer v1 : new Integer[] { 1, null }) {
1166	<
1459	>	{
1460		final CompletableFuture<Integer> f = new CompletableFuture<>();
1461	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1462	<	final SubtractFunction r = new SubtractFunction();
1461	>	final Noop[] rs = new Noop[6];
1462	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1463
1464	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1465	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1466	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1467	+	checkIncomplete(h0);
1468	+	checkIncomplete(h1);
1469	+	checkIncomplete(h2);
1470		assertTrue(f.cancel(mayInterruptIfRunning));
1471	<	g.complete(v1);
1472	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1473	<
1474	<	checkCompletedWithWrappedCancellationException(h);
1471	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1472	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1473	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1474	>
1475	>	checkCompletedWithWrappedCancellationException(h0);
1476	>	checkCompletedWithWrappedCancellationException(h1);
1477	>	checkCompletedWithWrappedCancellationException(h2);
1478	>	checkCompletedWithWrappedCancellationException(h3);
1479	>	checkCompletedWithWrappedCancellationException(h4);
1480	>	checkCompletedWithWrappedCancellationException(h5);
1481		checkCancelled(f);
1482	<	assertEquals(0, r.invocationCount);
1483	<	checkCompletedNormally(g, v1);
1179	<	}
1180	<	}
1482	>	for (Noop r : rs) r.assertNotInvoked();
1483	>	}}
1484
1485		/**
1486	<	* thenAcceptBoth result completes normally after normal
1184	<	* completion of sources
1486	>	* thenRun result completes exceptionally if action does
1487		*/
1488	<	public void testThenAcceptBoth_normalCompletion1() {
1187	<	for (ExecutionMode m : ExecutionMode.values())
1188	<	for (Integer v1 : new Integer[] { 1, null })
1189	<	for (Integer v2 : new Integer[] { 2, null }) {
1190	<
1191	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1192	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1193	<	final SubtractAction r = new SubtractAction();
1194	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1195	<
1196	<	f.complete(v1);
1197	<	checkIncomplete(h);
1198	<	assertEquals(0, r.invocationCount);
1199	<	g.complete(v2);
1200	<
1201	<	checkCompletedNormally(h, null);
1202	<	assertEquals(r.value, subtract(v1, v2));
1203	<	checkCompletedNormally(f, v1);
1204	<	checkCompletedNormally(g, v2);
1205	<	}
1206	<	}
1207	<
1208	<	public void testThenAcceptBoth_normalCompletion2() {
1488	>	public void testThenRun_actionFailed() {
1489		for (ExecutionMode m : ExecutionMode.values())
1490		for (Integer v1 : new Integer[] { 1, null })
1491	<	for (Integer v2 : new Integer[] { 2, null }) {
1212	<
1491	>	{
1492		final CompletableFuture<Integer> f = new CompletableFuture<>();
1493	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1494	<	final SubtractAction r = new SubtractAction();
1216	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1217	<
1218	<	g.complete(v2);
1219	<	checkIncomplete(h);
1220	<	assertEquals(0, r.invocationCount);
1221	<	f.complete(v1);
1493	>	final FailingRunnable[] rs = new FailingRunnable[6];
1494	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1495
1496	<	checkCompletedNormally(h, null);
1497	<	assertEquals(r.value, subtract(v1, v2));
1496	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1497	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1498	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1499	>	assertTrue(f.complete(v1));
1500	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1501	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1502	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1503	>
1504	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1505	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1506	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1507	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1508	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1509	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1510		checkCompletedNormally(f, v1);
1511	<	checkCompletedNormally(g, v2);
1227	<	}
1228	<	}
1229	<
1230	<	public void testThenAcceptBoth_normalCompletion3() {
1231	<	for (ExecutionMode m : ExecutionMode.values())
1232	<	for (Integer v1 : new Integer[] { 1, null })
1233	<	for (Integer v2 : new Integer[] { 2, null }) {
1511	>	}}
1512
1513	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1514	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1515	<	final SubtractAction r = new SubtractAction();
1516	<
1239	<	g.complete(v2);
1240	<	f.complete(v1);
1241	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1242	<
1243	<	checkCompletedNormally(h, null);
1244	<	assertEquals(r.value, subtract(v1, v2));
1245	<	checkCompletedNormally(f, v1);
1246	<	checkCompletedNormally(g, v2);
1247	<	}
1248	<	}
1249	<
1250	<	public void testThenAcceptBoth_normalCompletion4() {
1513	>	/**
1514	>	* thenApply result completes normally after normal completion of source
1515	>	*/
1516	>	public void testThenApply_normalCompletion() {
1517		for (ExecutionMode m : ExecutionMode.values())
1518		for (Integer v1 : new Integer[] { 1, null })
1519	<	for (Integer v2 : new Integer[] { 2, null }) {
1254	<
1519	>	{
1520		final CompletableFuture<Integer> f = new CompletableFuture<>();
1521	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1522	<	final SubtractAction r = new SubtractAction();
1521	>	final IncFunction[] rs = new IncFunction[4];
1522	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1523
1524	<	f.complete(v1);
1525	<	g.complete(v2);
1526	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1527	<
1528	<	checkCompletedNormally(h, null);
1529	<	assertEquals(r.value, subtract(v1, v2));
1524	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1525	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1526	>	checkIncomplete(h0);
1527	>	checkIncomplete(h1);
1528	>	assertTrue(f.complete(v1));
1529	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1530	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1531	>
1532	>	checkCompletedNormally(h0, inc(v1));
1533	>	checkCompletedNormally(h1, inc(v1));
1534	>	checkCompletedNormally(h2, inc(v1));
1535	>	checkCompletedNormally(h3, inc(v1));
1536		checkCompletedNormally(f, v1);
1537	<	checkCompletedNormally(g, v2);
1538	<	}
1268	<	}
1537	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1538	>	}}
1539
1540		/**
1541	<	* thenAcceptBoth result completes exceptionally after exceptional
1542	<	* completion of either source
1541	>	* thenApply result completes exceptionally after exceptional
1542	>	* completion of source
1543		*/
1544	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1544	>	public void testThenApply_exceptionalCompletion() {
1545		for (ExecutionMode m : ExecutionMode.values())
1546	<	for (Integer v1 : new Integer[] { 1, null }) {
1277	<
1278	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1279	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1280	<	final SubtractAction r = new SubtractAction();
1281	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1546	>	{
1547		final CFException ex = new CFException();
1283	–
1284	–	f.completeExceptionally(ex);
1285	–	checkIncomplete(h);
1286	–	g.complete(v1);
1287	–
1288	–	checkCompletedWithWrappedCFException(h, ex);
1289	–	checkCompletedWithWrappedCFException(f, ex);
1290	–	assertEquals(0, r.invocationCount);
1291	–	checkCompletedNormally(g, v1);
1292	–	}
1293	–	}
1294	–
1295	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1296	–	for (ExecutionMode m : ExecutionMode.values())
1297	–	for (Integer v1 : new Integer[] { 1, null }) {
1298	–
1548		final CompletableFuture<Integer> f = new CompletableFuture<>();
1549	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1550	<	final SubtractAction r = new SubtractAction();
1302	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1303	<	final CFException ex = new CFException();
1549	>	final IncFunction[] rs = new IncFunction[4];
1550	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1551
1552	<	g.completeExceptionally(ex);
1553	<	checkIncomplete(h);
1554	<	f.complete(v1);
1552	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1553	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1554	>	assertTrue(f.completeExceptionally(ex));
1555	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1556	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1557	>
1558	>	checkCompletedWithWrappedException(h0, ex);
1559	>	checkCompletedWithWrappedException(h1, ex);
1560	>	checkCompletedWithWrappedException(h2, ex);
1561	>	checkCompletedWithWrappedException(h3, ex);
1562	>	checkCompletedExceptionally(f, ex);
1563	>	for (IncFunction r : rs) r.assertNotInvoked();
1564	>	}}
1565
1566	<	checkCompletedWithWrappedCFException(h, ex);
1567	<	checkCompletedWithWrappedCFException(g, ex);
1568	<	assertEquals(0, r.invocationCount);
1569	<	checkCompletedNormally(f, v1);
1313	<	}
1314	<	}
1315	<
1316	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1566	>	/**
1567	>	* thenApply result completes exceptionally if source cancelled
1568	>	*/
1569	>	public void testThenApply_sourceCancelled() {
1570		for (ExecutionMode m : ExecutionMode.values())
1571	<	for (Integer v1 : new Integer[] { 1, null }) {
1572	<
1571	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1572	>	{
1573		final CompletableFuture<Integer> f = new CompletableFuture<>();
1574	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1575	<	final SubtractAction r = new SubtractAction();
1323	<	final CFException ex = new CFException();
1574	>	final IncFunction[] rs = new IncFunction[4];
1575	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1576
1577	<	g.completeExceptionally(ex);
1578	<	f.complete(v1);
1579	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1577	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1578	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1579	>	assertTrue(f.cancel(mayInterruptIfRunning));
1580	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1581	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1582
1583	<	checkCompletedWithWrappedCFException(h, ex);
1584	<	checkCompletedWithWrappedCFException(g, ex);
1585	<	assertEquals(0, r.invocationCount);
1586	<	checkCompletedNormally(f, v1);
1587	<	}
1588	<	}
1583	>	checkCompletedWithWrappedCancellationException(h0);
1584	>	checkCompletedWithWrappedCancellationException(h1);
1585	>	checkCompletedWithWrappedCancellationException(h2);
1586	>	checkCompletedWithWrappedCancellationException(h3);
1587	>	checkCancelled(f);
1588	>	for (IncFunction r : rs) r.assertNotInvoked();
1589	>	}}
1590
1591	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1591	>	/**
1592	>	* thenApply result completes exceptionally if action does
1593	>	*/
1594	>	public void testThenApply_actionFailed() {
1595		for (ExecutionMode m : ExecutionMode.values())
1596	<	for (Integer v1 : new Integer[] { 1, null }) {
1597	<
1596	>	for (Integer v1 : new Integer[] { 1, null })
1597	>	{
1598		final CompletableFuture<Integer> f = new CompletableFuture<>();
1599	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1600	<	final SubtractAction r = new SubtractAction();
1343	<	final CFException ex = new CFException();
1599	>	final FailingFunction[] rs = new FailingFunction[4];
1600	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1601
1602	<	f.completeExceptionally(ex);
1603	<	g.complete(v1);
1604	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1605	<
1606	<	checkCompletedWithWrappedCFException(h, ex);
1607	<	checkCompletedWithWrappedCFException(f, ex);
1608	<	assertEquals(0, r.invocationCount);
1609	<	checkCompletedNormally(g, v1);
1610	<	}
1611	<	}
1602	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1603	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1604	>	assertTrue(f.complete(v1));
1605	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1606	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1607	>
1608	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1609	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1610	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1611	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1612	>	checkCompletedNormally(f, v1);
1613	>	}}
1614
1615		/**
1616	<	* thenAcceptBoth result completes exceptionally if action does
1616	>	* thenAccept result completes normally after normal completion of source
1617		*/
1618	<	public void testThenAcceptBoth_actionFailed1() {
1618	>	public void testThenAccept_normalCompletion() {
1619		for (ExecutionMode m : ExecutionMode.values())
1620		for (Integer v1 : new Integer[] { 1, null })
1621	<	for (Integer v2 : new Integer[] { 2, null }) {
1363	<
1621	>	{
1622		final CompletableFuture<Integer> f = new CompletableFuture<>();
1623	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1624	<	final FailingBiConsumer r = new FailingBiConsumer();
1367	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1623	>	final NoopConsumer[] rs = new NoopConsumer[4];
1624	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1625
1626	<	f.complete(v1);
1627	<	checkIncomplete(h);
1628	<	g.complete(v2);
1629	<
1630	<	checkCompletedWithWrappedCFException(h);
1626	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1627	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1628	>	checkIncomplete(h0);
1629	>	checkIncomplete(h1);
1630	>	assertTrue(f.complete(v1));
1631	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1632	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1633	>
1634	>	checkCompletedNormally(h0, null);
1635	>	checkCompletedNormally(h1, null);
1636	>	checkCompletedNormally(h2, null);
1637	>	checkCompletedNormally(h3, null);
1638		checkCompletedNormally(f, v1);
1639	<	checkCompletedNormally(g, v2);
1640	<	}
1377	<	}
1639	>	for (NoopConsumer r : rs) r.assertValue(v1);
1640	>	}}
1641
1642	<	public void testThenAcceptBoth_actionFailed2() {
1642	>	/**
1643	>	* thenAccept result completes exceptionally after exceptional
1644	>	* completion of source
1645	>	*/
1646	>	public void testThenAccept_exceptionalCompletion() {
1647		for (ExecutionMode m : ExecutionMode.values())
1648	<	for (Integer v1 : new Integer[] { 1, null })
1649	<	for (Integer v2 : new Integer[] { 2, null }) {
1383	<
1648	>	{
1649	>	final CFException ex = new CFException();
1650		final CompletableFuture<Integer> f = new CompletableFuture<>();
1651	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1652	<	final FailingBiConsumer r = new FailingBiConsumer();
1387	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1388	<
1389	<	g.complete(v2);
1390	<	checkIncomplete(h);
1391	<	f.complete(v1);
1651	>	final NoopConsumer[] rs = new NoopConsumer[4];
1652	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1653
1654	<	checkCompletedWithWrappedCFException(h);
1655	<	checkCompletedNormally(f, v1);
1656	<	checkCompletedNormally(g, v2);
1657	<	}
1658	<	}
1654	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1655	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1656	>	assertTrue(f.completeExceptionally(ex));
1657	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1658	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1659	>
1660	>	checkCompletedWithWrappedException(h0, ex);
1661	>	checkCompletedWithWrappedException(h1, ex);
1662	>	checkCompletedWithWrappedException(h2, ex);
1663	>	checkCompletedWithWrappedException(h3, ex);
1664	>	checkCompletedExceptionally(f, ex);
1665	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1666	>	}}
1667
1668		/**
1669	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1669	>	* thenAccept result completes exceptionally if source cancelled
1670		*/
1671	<	public void testThenAcceptBoth_sourceCancelled1() {
1671	>	public void testThenAccept_sourceCancelled() {
1672		for (ExecutionMode m : ExecutionMode.values())
1673		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1674	<	for (Integer v1 : new Integer[] { 1, null }) {
1406	<
1674	>	{
1675		final CompletableFuture<Integer> f = new CompletableFuture<>();
1676	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1677	<	final SubtractAction r = new SubtractAction();
1410	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1676	>	final NoopConsumer[] rs = new NoopConsumer[4];
1677	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1678
1679	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1680	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1681		assertTrue(f.cancel(mayInterruptIfRunning));
1682	<	checkIncomplete(h);
1683	<	g.complete(v1);
1682	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1683	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1684
1685	<	checkCompletedWithWrappedCancellationException(h);
1685	>	checkCompletedWithWrappedCancellationException(h0);
1686	>	checkCompletedWithWrappedCancellationException(h1);
1687	>	checkCompletedWithWrappedCancellationException(h2);
1688	>	checkCompletedWithWrappedCancellationException(h3);
1689		checkCancelled(f);
1690	<	assertEquals(0, r.invocationCount);
1691	<	checkCompletedNormally(g, v1);
1420	<	}
1421	<	}
1690	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1691	>	}}
1692
1693	<	public void testThenAcceptBoth_sourceCancelled2() {
1693	>	/**
1694	>	* thenAccept result completes exceptionally if action does
1695	>	*/
1696	>	public void testThenAccept_actionFailed() {
1697		for (ExecutionMode m : ExecutionMode.values())
1698	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1699	<	for (Integer v1 : new Integer[] { 1, null }) {
1427	<
1698	>	for (Integer v1 : new Integer[] { 1, null })
1699	>	{
1700		final CompletableFuture<Integer> f = new CompletableFuture<>();
1701	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1702	<	final SubtractAction r = new SubtractAction();
1431	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1432	<
1433	<	assertTrue(g.cancel(mayInterruptIfRunning));
1434	<	checkIncomplete(h);
1435	<	f.complete(v1);
1701	>	final FailingConsumer[] rs = new FailingConsumer[4];
1702	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1703
1704	<	checkCompletedWithWrappedCancellationException(h);
1705	<	checkCancelled(g);
1706	<	assertEquals(0, r.invocationCount);
1704	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1705	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1706	>	assertTrue(f.complete(v1));
1707	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1708	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1709	>
1710	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1711	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1712	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1713	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1714		checkCompletedNormally(f, v1);
1715	<	}
1442	<	}
1715	>	}}
1716
1717	<	public void testThenAcceptBoth_sourceCancelled3() {
1717	>	/**
1718	>	* thenCombine result completes normally after normal completion
1719	>	* of sources
1720	>	*/
1721	>	public void testThenCombine_normalCompletion() {
1722		for (ExecutionMode m : ExecutionMode.values())
1723	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1724	<	for (Integer v1 : new Integer[] { 1, null }) {
1725	<
1723	>	for (boolean fFirst : new boolean[] { true, false })
1724	>	for (Integer v1 : new Integer[] { 1, null })
1725	>	for (Integer v2 : new Integer[] { 2, null })
1726	>	{
1727		final CompletableFuture<Integer> f = new CompletableFuture<>();
1728		final CompletableFuture<Integer> g = new CompletableFuture<>();
1729	<	final SubtractAction r = new SubtractAction();
1729	>	final SubtractFunction[] rs = new SubtractFunction[6];
1730	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1731
1732	<	assertTrue(g.cancel(mayInterruptIfRunning));
1733	<	f.complete(v1);
1734	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1732	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1733	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1734	>	final Integer w1 =  fFirst ? v1 : v2;
1735	>	final Integer w2 = !fFirst ? v1 : v2;
1736	>
1737	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1738	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1739	>	assertTrue(fst.complete(w1));
1740	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1741	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1742	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1743	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1744	>	checkCompletedNormally(h1, subtract(w1, w1));
1745	>	checkCompletedNormally(h3, subtract(w1, w1));
1746	>	rs[1].assertValue(subtract(w1, w1));
1747	>	rs[3].assertValue(subtract(w1, w1));
1748	>	assertTrue(snd.complete(w2));
1749	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1750	>
1751	>	checkCompletedNormally(h0, subtract(v1, v2));
1752	>	checkCompletedNormally(h2, subtract(v1, v2));
1753	>	checkCompletedNormally(h4, subtract(v1, v2));
1754	>	rs[0].assertValue(subtract(v1, v2));
1755	>	rs[2].assertValue(subtract(v1, v2));
1756	>	rs[4].assertValue(subtract(v1, v2));
1757
1457	–	checkCompletedWithWrappedCancellationException(h);
1458	–	checkCancelled(g);
1459	–	assertEquals(0, r.invocationCount);
1758		checkCompletedNormally(f, v1);
1759	<	}
1760	<	}
1463	<
1464	<	public void testThenAcceptBoth_sourceCancelled4() {
1465	<	for (ExecutionMode m : ExecutionMode.values())
1466	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1467	<	for (Integer v1 : new Integer[] { 1, null }) {
1468	<
1469	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1470	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1471	<	final SubtractAction r = new SubtractAction();
1472	<
1473	<	assertTrue(f.cancel(mayInterruptIfRunning));
1474	<	g.complete(v1);
1475	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1476	<
1477	<	checkCompletedWithWrappedCancellationException(h);
1478	<	checkCancelled(f);
1479	<	assertEquals(0, r.invocationCount);
1480	<	checkCompletedNormally(g, v1);
1481	<	}
1482	<	}
1759	>	checkCompletedNormally(g, v2);
1760	>	}}
1761
1762		/**
1763	<	* runAfterBoth result completes normally after normal
1764	<	* completion of sources
1763	>	* thenCombine result completes exceptionally after exceptional
1764	>	* completion of either source
1765		*/
1766	<	public void testRunAfterBoth_normalCompletion1() {
1766	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1767		for (ExecutionMode m : ExecutionMode.values())
1768	+	for (boolean fFirst : new boolean[] { true, false })
1769	+	for (boolean failFirst : new boolean[] { true, false })
1770		for (Integer v1 : new Integer[] { 1, null })
1771	<	for (Integer v2 : new Integer[] { 2, null }) {
1492	<
1771	>	{
1772		final CompletableFuture<Integer> f = new CompletableFuture<>();
1773		final CompletableFuture<Integer> g = new CompletableFuture<>();
1774	<	final Noop r = new Noop();
1775	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1776	<
1777	<	f.complete(v1);
1778	<	checkIncomplete(h);
1779	<	assertEquals(0, r.invocationCount);
1780	<	g.complete(v2);
1781	<
1782	<	checkCompletedNormally(h, null);
1783	<	assertEquals(1, r.invocationCount);
1784	<	checkCompletedNormally(f, v1);
1785	<	checkCompletedNormally(g, v2);
1786	<	}
1787	<	}
1774	>	final CFException ex = new CFException();
1775	>	final SubtractFunction r1 = new SubtractFunction(m);
1776	>	final SubtractFunction r2 = new SubtractFunction(m);
1777	>	final SubtractFunction r3 = new SubtractFunction(m);
1778	>
1779	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1780	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1781	>	final Callable<Boolean> complete1 = failFirst ?
1782	>	() -> fst.completeExceptionally(ex) :
1783	>	() -> fst.complete(v1);
1784	>	final Callable<Boolean> complete2 = failFirst ?
1785	>	() -> snd.complete(v1) :
1786	>	() -> snd.completeExceptionally(ex);
1787	>
1788	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1789	>	assertTrue(complete1.call());
1790	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1791	>	checkIncomplete(h1);
1792	>	checkIncomplete(h2);
1793	>	assertTrue(complete2.call());
1794	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1795	>
1796	>	checkCompletedWithWrappedException(h1, ex);
1797	>	checkCompletedWithWrappedException(h2, ex);
1798	>	checkCompletedWithWrappedException(h3, ex);
1799	>	r1.assertNotInvoked();
1800	>	r2.assertNotInvoked();
1801	>	r3.assertNotInvoked();
1802	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1803	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1804	>	}}
1805
1806	<	public void testRunAfterBoth_normalCompletion2() {
1806	>	/**
1807	>	* thenCombine result completes exceptionally if either source cancelled
1808	>	*/
1809	>	public void testThenCombine_sourceCancelled() throws Throwable {
1810		for (ExecutionMode m : ExecutionMode.values())
1811	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1812	+	for (boolean fFirst : new boolean[] { true, false })
1813	+	for (boolean failFirst : new boolean[] { true, false })
1814		for (Integer v1 : new Integer[] { 1, null })
1815	<	for (Integer v2 : new Integer[] { 2, null }) {
1514	<
1815	>	{
1816		final CompletableFuture<Integer> f = new CompletableFuture<>();
1817		final CompletableFuture<Integer> g = new CompletableFuture<>();
1818	<	final Noop r = new Noop();
1819	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1818	>	final SubtractFunction r1 = new SubtractFunction(m);
1819	>	final SubtractFunction r2 = new SubtractFunction(m);
1820	>	final SubtractFunction r3 = new SubtractFunction(m);
1821	>
1822	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1823	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1824	>	final Callable<Boolean> complete1 = failFirst ?
1825	>	() -> fst.cancel(mayInterruptIfRunning) :
1826	>	() -> fst.complete(v1);
1827	>	final Callable<Boolean> complete2 = failFirst ?
1828	>	() -> snd.complete(v1) :
1829	>	() -> snd.cancel(mayInterruptIfRunning);
1830	>
1831	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1832	>	assertTrue(complete1.call());
1833	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1834	>	checkIncomplete(h1);
1835	>	checkIncomplete(h2);
1836	>	assertTrue(complete2.call());
1837	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1838	>
1839	>	checkCompletedWithWrappedCancellationException(h1);
1840	>	checkCompletedWithWrappedCancellationException(h2);
1841	>	checkCompletedWithWrappedCancellationException(h3);
1842	>	r1.assertNotInvoked();
1843	>	r2.assertNotInvoked();
1844	>	r3.assertNotInvoked();
1845	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1846	>	checkCancelled(failFirst ? fst : snd);
1847	>	}}
1848
1849	<	g.complete(v2);
1850	<	checkIncomplete(h);
1851	<	assertEquals(0, r.invocationCount);
1852	<	f.complete(v1);
1524	<
1525	<	checkCompletedNormally(h, null);
1526	<	assertEquals(1, r.invocationCount);
1527	<	checkCompletedNormally(f, v1);
1528	<	checkCompletedNormally(g, v2);
1529	<	}
1530	<	}
1531	<
1532	<	public void testRunAfterBoth_normalCompletion3() {
1849	>	/**
1850	>	* thenCombine result completes exceptionally if action does
1851	>	*/
1852	>	public void testThenCombine_actionFailed() {
1853		for (ExecutionMode m : ExecutionMode.values())
1854	+	for (boolean fFirst : new boolean[] { true, false })
1855		for (Integer v1 : new Integer[] { 1, null })
1856	<	for (Integer v2 : new Integer[] { 2, null }) {
1857	<
1856	>	for (Integer v2 : new Integer[] { 2, null })
1857	>	{
1858		final CompletableFuture<Integer> f = new CompletableFuture<>();
1859		final CompletableFuture<Integer> g = new CompletableFuture<>();
1860	<	final Noop r = new Noop();
1861	<
1862	<	g.complete(v2);
1863	<	f.complete(v1);
1864	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1865	<
1866	<	checkCompletedNormally(h, null);
1867	<	assertEquals(1, r.invocationCount);
1860	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1861	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1862	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1863	>
1864	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1865	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1866	>	final Integer w1 =  fFirst ? v1 : v2;
1867	>	final Integer w2 = !fFirst ? v1 : v2;
1868	>
1869	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1870	>	assertTrue(fst.complete(w1));
1871	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1872	>	assertTrue(snd.complete(w2));
1873	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1874	>
1875	>	checkCompletedWithWrappedException(h1, r1.ex);
1876	>	checkCompletedWithWrappedException(h2, r2.ex);
1877	>	checkCompletedWithWrappedException(h3, r3.ex);
1878	>	r1.assertInvoked();
1879	>	r2.assertInvoked();
1880	>	r3.assertInvoked();
1881		checkCompletedNormally(f, v1);
1882		checkCompletedNormally(g, v2);
1883	<	}
1550	<	}
1883	>	}}
1884
1885	<	public void testRunAfterBoth_normalCompletion4() {
1885	>	/**
1886	>	* thenAcceptBoth result completes normally after normal
1887	>	* completion of sources
1888	>	*/
1889	>	public void testThenAcceptBoth_normalCompletion() {
1890		for (ExecutionMode m : ExecutionMode.values())
1891	+	for (boolean fFirst : new boolean[] { true, false })
1892		for (Integer v1 : new Integer[] { 1, null })
1893	<	for (Integer v2 : new Integer[] { 2, null }) {
1894	<
1893	>	for (Integer v2 : new Integer[] { 2, null })
1894	>	{
1895		final CompletableFuture<Integer> f = new CompletableFuture<>();
1896		final CompletableFuture<Integer> g = new CompletableFuture<>();
1897	<	final Noop r = new Noop();
1898	<
1899	<	f.complete(v1);
1900	<	g.complete(v2);
1901	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1902	<
1903	<	checkCompletedNormally(h, null);
1904	<	assertEquals(1, r.invocationCount);
1897	>	final SubtractAction r1 = new SubtractAction(m);
1898	>	final SubtractAction r2 = new SubtractAction(m);
1899	>	final SubtractAction r3 = new SubtractAction(m);
1900	>
1901	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1902	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1903	>	final Integer w1 =  fFirst ? v1 : v2;
1904	>	final Integer w2 = !fFirst ? v1 : v2;
1905	>
1906	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1907	>	assertTrue(fst.complete(w1));
1908	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1909	>	checkIncomplete(h1);
1910	>	checkIncomplete(h2);
1911	>	r1.assertNotInvoked();
1912	>	r2.assertNotInvoked();
1913	>	assertTrue(snd.complete(w2));
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915	>
1916	>	checkCompletedNormally(h1, null);
1917	>	checkCompletedNormally(h2, null);
1918	>	checkCompletedNormally(h3, null);
1919	>	r1.assertValue(subtract(v1, v2));
1920	>	r2.assertValue(subtract(v1, v2));
1921	>	r3.assertValue(subtract(v1, v2));
1922		checkCompletedNormally(f, v1);
1923		checkCompletedNormally(g, v2);
1924	<	}
1570	<	}
1924	>	}}
1925
1926		/**
1927	<	* runAfterBoth result completes exceptionally after exceptional
1927	>	* thenAcceptBoth result completes exceptionally after exceptional
1928		* completion of either source
1929		*/
1930	<	public void testRunAfterBoth_exceptionalCompletion1() {
1577	<	for (ExecutionMode m : ExecutionMode.values())
1578	<	for (Integer v1 : new Integer[] { 1, null }) {
1579	<
1580	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1581	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1582	<	final Noop r = new Noop();
1583	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1584	<	final CFException ex = new CFException();
1585	<
1586	<	f.completeExceptionally(ex);
1587	<	checkIncomplete(h);
1588	<	g.complete(v1);
1589	<
1590	<	checkCompletedWithWrappedCFException(h, ex);
1591	<	checkCompletedWithWrappedCFException(f, ex);
1592	<	assertEquals(0, r.invocationCount);
1593	<	checkCompletedNormally(g, v1);
1594	<	}
1595	<	}
1596	<
1597	<	public void testRunAfterBoth_exceptionalCompletion2() {
1598	<	for (ExecutionMode m : ExecutionMode.values())
1599	<	for (Integer v1 : new Integer[] { 1, null }) {
1600	<
1601	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1602	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1603	<	final Noop r = new Noop();
1604	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1605	<	final CFException ex = new CFException();
1606	<
1607	<	g.completeExceptionally(ex);
1608	<	checkIncomplete(h);
1609	<	f.complete(v1);
1610	<
1611	<	checkCompletedWithWrappedCFException(h, ex);
1612	<	checkCompletedWithWrappedCFException(g, ex);
1613	<	assertEquals(0, r.invocationCount);
1614	<	checkCompletedNormally(f, v1);
1615	<	}
1616	<	}
1617	<
1618	<	public void testRunAfterBoth_exceptionalCompletion3() {
1930	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1931		for (ExecutionMode m : ExecutionMode.values())
1932	<	for (Integer v1 : new Integer[] { 1, null }) {
1933	<
1932	>	for (boolean fFirst : new boolean[] { true, false })
1933	>	for (boolean failFirst : new boolean[] { true, false })
1934	>	for (Integer v1 : new Integer[] { 1, null })
1935	>	{
1936		final CompletableFuture<Integer> f = new CompletableFuture<>();
1937		final CompletableFuture<Integer> g = new CompletableFuture<>();
1624	–	final Noop r = new Noop();
1938		final CFException ex = new CFException();
1939	+	final SubtractAction r1 = new SubtractAction(m);
1940	+	final SubtractAction r2 = new SubtractAction(m);
1941	+	final SubtractAction r3 = new SubtractAction(m);
1942	+
1943	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1944	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1945	+	final Callable<Boolean> complete1 = failFirst ?
1946	+	() -> fst.completeExceptionally(ex) :
1947	+	() -> fst.complete(v1);
1948	+	final Callable<Boolean> complete2 = failFirst ?
1949	+	() -> snd.complete(v1) :
1950	+	() -> snd.completeExceptionally(ex);
1951	+
1952	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1953	+	assertTrue(complete1.call());
1954	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1955	+	checkIncomplete(h1);
1956	+	checkIncomplete(h2);
1957	+	assertTrue(complete2.call());
1958	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1959	+
1960	+	checkCompletedWithWrappedException(h1, ex);
1961	+	checkCompletedWithWrappedException(h2, ex);
1962	+	checkCompletedWithWrappedException(h3, ex);
1963	+	r1.assertNotInvoked();
1964	+	r2.assertNotInvoked();
1965	+	r3.assertNotInvoked();
1966	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1967	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1968	+	}}
1969
1970	<	g.completeExceptionally(ex);
1971	<	f.complete(v1);
1972	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1973	<
1631	<	checkCompletedWithWrappedCFException(h, ex);
1632	<	checkCompletedWithWrappedCFException(g, ex);
1633	<	assertEquals(0, r.invocationCount);
1634	<	checkCompletedNormally(f, v1);
1635	<	}
1636	<	}
1637	<
1638	<	public void testRunAfterBoth_exceptionalCompletion4() {
1970	>	/**
1971	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1972	>	*/
1973	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1974		for (ExecutionMode m : ExecutionMode.values())
1975	<	for (Integer v1 : new Integer[] { 1, null }) {
1976	<
1975	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1976	>	for (boolean fFirst : new boolean[] { true, false })
1977	>	for (boolean failFirst : new boolean[] { true, false })
1978	>	for (Integer v1 : new Integer[] { 1, null })
1979	>	{
1980		final CompletableFuture<Integer> f = new CompletableFuture<>();
1981		final CompletableFuture<Integer> g = new CompletableFuture<>();
1982	<	final Noop r = new Noop();
1983	<	final CFException ex = new CFException();
1984	<
1985	<	f.completeExceptionally(ex);
1986	<	g.complete(v1);
1987	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1988	<
1989	<	checkCompletedWithWrappedCFException(h, ex);
1990	<	checkCompletedWithWrappedCFException(f, ex);
1991	<	assertEquals(0, r.invocationCount);
1992	<	checkCompletedNormally(g, v1);
1993	<	}
1994	<	}
1982	>	final SubtractAction r1 = new SubtractAction(m);
1983	>	final SubtractAction r2 = new SubtractAction(m);
1984	>	final SubtractAction r3 = new SubtractAction(m);
1985	>
1986	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1987	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1988	>	final Callable<Boolean> complete1 = failFirst ?
1989	>	() -> fst.cancel(mayInterruptIfRunning) :
1990	>	() -> fst.complete(v1);
1991	>	final Callable<Boolean> complete2 = failFirst ?
1992	>	() -> snd.complete(v1) :
1993	>	() -> snd.cancel(mayInterruptIfRunning);
1994	>
1995	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1996	>	assertTrue(complete1.call());
1997	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1998	>	checkIncomplete(h1);
1999	>	checkIncomplete(h2);
2000	>	assertTrue(complete2.call());
2001	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2002	>
2003	>	checkCompletedWithWrappedCancellationException(h1);
2004	>	checkCompletedWithWrappedCancellationException(h2);
2005	>	checkCompletedWithWrappedCancellationException(h3);
2006	>	r1.assertNotInvoked();
2007	>	r2.assertNotInvoked();
2008	>	r3.assertNotInvoked();
2009	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2010	>	checkCancelled(failFirst ? fst : snd);
2011	>	}}
2012
2013		/**
2014	<	* runAfterBoth result completes exceptionally if action does
2014	>	* thenAcceptBoth result completes exceptionally if action does
2015		*/
2016	<	public void testRunAfterBoth_actionFailed1() {
2016	>	public void testThenAcceptBoth_actionFailed() {
2017		for (ExecutionMode m : ExecutionMode.values())
2018	+	for (boolean fFirst : new boolean[] { true, false })
2019		for (Integer v1 : new Integer[] { 1, null })
2020	<	for (Integer v2 : new Integer[] { 2, null }) {
2021	<
2020	>	for (Integer v2 : new Integer[] { 2, null })
2021	>	{
2022		final CompletableFuture<Integer> f = new CompletableFuture<>();
2023		final CompletableFuture<Integer> g = new CompletableFuture<>();
2024	<	final FailingNoop r = new FailingNoop();
2025	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2026	<
2027	<	f.complete(v1);
2028	<	checkIncomplete(h);
2029	<	g.complete(v2);
2030	<
2031	<	checkCompletedWithWrappedCFException(h);
2024	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2025	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2026	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2027	>
2028	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2029	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2030	>	final Integer w1 =  fFirst ? v1 : v2;
2031	>	final Integer w2 = !fFirst ? v1 : v2;
2032	>
2033	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2034	>	assertTrue(fst.complete(w1));
2035	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2036	>	assertTrue(snd.complete(w2));
2037	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2038	>
2039	>	checkCompletedWithWrappedException(h1, r1.ex);
2040	>	checkCompletedWithWrappedException(h2, r2.ex);
2041	>	checkCompletedWithWrappedException(h3, r3.ex);
2042	>	r1.assertInvoked();
2043	>	r2.assertInvoked();
2044	>	r3.assertInvoked();
2045		checkCompletedNormally(f, v1);
2046		checkCompletedNormally(g, v2);
2047	<	}
1679	<	}
2047	>	}}
2048
2049	<	public void testRunAfterBoth_actionFailed2() {
2049	>	/**
2050	>	* runAfterBoth result completes normally after normal
2051	>	* completion of sources
2052	>	*/
2053	>	public void testRunAfterBoth_normalCompletion() {
2054		for (ExecutionMode m : ExecutionMode.values())
2055	+	for (boolean fFirst : new boolean[] { true, false })
2056		for (Integer v1 : new Integer[] { 1, null })
2057	<	for (Integer v2 : new Integer[] { 2, null }) {
2058	<
2057	>	for (Integer v2 : new Integer[] { 2, null })
2058	>	{
2059		final CompletableFuture<Integer> f = new CompletableFuture<>();
2060		final CompletableFuture<Integer> g = new CompletableFuture<>();
2061	<	final FailingNoop r = new FailingNoop();
2062	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2063	<
2064	<	g.complete(v2);
2065	<	checkIncomplete(h);
2066	<	f.complete(v1);
2067	<
2068	<	checkCompletedWithWrappedCFException(h);
2061	>	final Noop r1 = new Noop(m);
2062	>	final Noop r2 = new Noop(m);
2063	>	final Noop r3 = new Noop(m);
2064	>
2065	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2066	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2067	>	final Integer w1 =  fFirst ? v1 : v2;
2068	>	final Integer w2 = !fFirst ? v1 : v2;
2069	>
2070	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2071	>	assertTrue(fst.complete(w1));
2072	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2073	>	checkIncomplete(h1);
2074	>	checkIncomplete(h2);
2075	>	r1.assertNotInvoked();
2076	>	r2.assertNotInvoked();
2077	>	assertTrue(snd.complete(w2));
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079	>
2080	>	checkCompletedNormally(h1, null);
2081	>	checkCompletedNormally(h2, null);
2082	>	checkCompletedNormally(h3, null);
2083	>	r1.assertInvoked();
2084	>	r2.assertInvoked();
2085	>	r3.assertInvoked();
2086		checkCompletedNormally(f, v1);
2087		checkCompletedNormally(g, v2);
2088	<	}
1699	<	}
2088	>	}}
2089
2090		/**
2091	<	* runAfterBoth result completes exceptionally if either source cancelled
2091	>	* runAfterBoth result completes exceptionally after exceptional
2092	>	* completion of either source
2093		*/
2094	<	public void testRunAfterBoth_sourceCancelled1() {
1705	<	for (ExecutionMode m : ExecutionMode.values())
1706	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1707	<	for (Integer v1 : new Integer[] { 1, null }) {
1708	<
1709	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1710	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1711	<	final Noop r = new Noop();
1712	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1713	<
1714	<	assertTrue(f.cancel(mayInterruptIfRunning));
1715	<	checkIncomplete(h);
1716	<	g.complete(v1);
1717	<
1718	<	checkCompletedWithWrappedCancellationException(h);
1719	<	checkCancelled(f);
1720	<	assertEquals(0, r.invocationCount);
1721	<	checkCompletedNormally(g, v1);
1722	<	}
1723	<	}
1724	<
1725	<	public void testRunAfterBoth_sourceCancelled2() {
1726	<	for (ExecutionMode m : ExecutionMode.values())
1727	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1728	<	for (Integer v1 : new Integer[] { 1, null }) {
1729	<
1730	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1731	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1732	<	final Noop r = new Noop();
1733	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1734	<
1735	<	assertTrue(g.cancel(mayInterruptIfRunning));
1736	<	checkIncomplete(h);
1737	<	f.complete(v1);
1738	<
1739	<	checkCompletedWithWrappedCancellationException(h);
1740	<	checkCancelled(g);
1741	<	assertEquals(0, r.invocationCount);
1742	<	checkCompletedNormally(f, v1);
1743	<	}
1744	<	}
1745	<
1746	<	public void testRunAfterBoth_sourceCancelled3() {
2094	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2095		for (ExecutionMode m : ExecutionMode.values())
2096	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2097	<	for (Integer v1 : new Integer[] { 1, null }) {
2098	<
2096	>	for (boolean fFirst : new boolean[] { true, false })
2097	>	for (boolean failFirst : new boolean[] { true, false })
2098	>	for (Integer v1 : new Integer[] { 1, null })
2099	>	{
2100		final CompletableFuture<Integer> f = new CompletableFuture<>();
2101		final CompletableFuture<Integer> g = new CompletableFuture<>();
2102	<	final Noop r = new Noop();
2103	<
2104	<	assertTrue(g.cancel(mayInterruptIfRunning));
2105	<	f.complete(v1);
2106	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2107	<
2108	<	checkCompletedWithWrappedCancellationException(h);
2109	<	checkCancelled(g);
2110	<	assertEquals(0, r.invocationCount);
2111	<	checkCompletedNormally(f, v1);
2112	<	}
2113	<	}
2102	>	final CFException ex = new CFException();
2103	>	final Noop r1 = new Noop(m);
2104	>	final Noop r2 = new Noop(m);
2105	>	final Noop r3 = new Noop(m);
2106	>
2107	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2108	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2109	>	final Callable<Boolean> complete1 = failFirst ?
2110	>	() -> fst.completeExceptionally(ex) :
2111	>	() -> fst.complete(v1);
2112	>	final Callable<Boolean> complete2 = failFirst ?
2113	>	() -> snd.complete(v1) :
2114	>	() -> snd.completeExceptionally(ex);
2115	>
2116	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2117	>	assertTrue(complete1.call());
2118	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2119	>	checkIncomplete(h1);
2120	>	checkIncomplete(h2);
2121	>	assertTrue(complete2.call());
2122	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2123	>
2124	>	checkCompletedWithWrappedException(h1, ex);
2125	>	checkCompletedWithWrappedException(h2, ex);
2126	>	checkCompletedWithWrappedException(h3, ex);
2127	>	r1.assertNotInvoked();
2128	>	r2.assertNotInvoked();
2129	>	r3.assertNotInvoked();
2130	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2131	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2132	>	}}
2133
2134	<	public void testRunAfterBoth_sourceCancelled4() {
2134	>	/**
2135	>	* runAfterBoth result completes exceptionally if either source cancelled
2136	>	*/
2137	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2138		for (ExecutionMode m : ExecutionMode.values())
2139		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2140	<	for (Integer v1 : new Integer[] { 1, null }) {
2141	<
2140	>	for (boolean fFirst : new boolean[] { true, false })
2141	>	for (boolean failFirst : new boolean[] { true, false })
2142	>	for (Integer v1 : new Integer[] { 1, null })
2143	>	{
2144		final CompletableFuture<Integer> f = new CompletableFuture<>();
2145		final CompletableFuture<Integer> g = new CompletableFuture<>();
2146	<	final Noop r = new Noop();
2147	<
2148	<	assertTrue(f.cancel(mayInterruptIfRunning));
2149	<	g.complete(v1);
2150	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2151	<
2152	<	checkCompletedWithWrappedCancellationException(h);
2153	<	checkCancelled(f);
2154	<	assertEquals(0, r.invocationCount);
2155	<	checkCompletedNormally(g, v1);
2156	<	}
2157	<	}
2146	>	final Noop r1 = new Noop(m);
2147	>	final Noop r2 = new Noop(m);
2148	>	final Noop r3 = new Noop(m);
2149	>
2150	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2151	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2152	>	final Callable<Boolean> complete1 = failFirst ?
2153	>	() -> fst.cancel(mayInterruptIfRunning) :
2154	>	() -> fst.complete(v1);
2155	>	final Callable<Boolean> complete2 = failFirst ?
2156	>	() -> snd.complete(v1) :
2157	>	() -> snd.cancel(mayInterruptIfRunning);
2158	>
2159	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2160	>	assertTrue(complete1.call());
2161	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2162	>	checkIncomplete(h1);
2163	>	checkIncomplete(h2);
2164	>	assertTrue(complete2.call());
2165	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2166	>
2167	>	checkCompletedWithWrappedCancellationException(h1);
2168	>	checkCompletedWithWrappedCancellationException(h2);
2169	>	checkCompletedWithWrappedCancellationException(h3);
2170	>	r1.assertNotInvoked();
2171	>	r2.assertNotInvoked();
2172	>	r3.assertNotInvoked();
2173	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2174	>	checkCancelled(failFirst ? fst : snd);
2175	>	}}
2176
2177		/**
2178	<	* applyToEither result completes normally after normal completion
1788	<	* of either source
2178	>	* runAfterBoth result completes exceptionally if action does
2179		*/
2180	<	public void testApplyToEither_normalCompletion1() {
2180	>	public void testRunAfterBoth_actionFailed() {
2181		for (ExecutionMode m : ExecutionMode.values())
2182	+	for (boolean fFirst : new boolean[] { true, false })
2183		for (Integer v1 : new Integer[] { 1, null })
2184	<	for (Integer v2 : new Integer[] { 2, null }) {
2185	<
2184	>	for (Integer v2 : new Integer[] { 2, null })
2185	>	{
2186		final CompletableFuture<Integer> f = new CompletableFuture<>();
2187		final CompletableFuture<Integer> g = new CompletableFuture<>();
2188	<	final IncFunction r = new IncFunction();
2189	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2190	<
2191	<	f.complete(v1);
2192	<	checkCompletedNormally(h, inc(v1));
2193	<	g.complete(v2);
2194	<
2188	>	final FailingRunnable r1 = new FailingRunnable(m);
2189	>	final FailingRunnable r2 = new FailingRunnable(m);
2190	>	final FailingRunnable r3 = new FailingRunnable(m);
2191	>
2192	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2193	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2194	>	final Integer w1 =  fFirst ? v1 : v2;
2195	>	final Integer w2 = !fFirst ? v1 : v2;
2196	>
2197	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2198	>	assertTrue(fst.complete(w1));
2199	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2200	>	assertTrue(snd.complete(w2));
2201	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2202	>
2203	>	checkCompletedWithWrappedException(h1, r1.ex);
2204	>	checkCompletedWithWrappedException(h2, r2.ex);
2205	>	checkCompletedWithWrappedException(h3, r3.ex);
2206	>	r1.assertInvoked();
2207	>	r2.assertInvoked();
2208	>	r3.assertInvoked();
2209		checkCompletedNormally(f, v1);
2210		checkCompletedNormally(g, v2);
2211	<	checkCompletedNormally(h, inc(v1));
1807	<	}
1808	<	}
2211	>	}}
2212
2213	<	public void testApplyToEither_normalCompletion2() {
2213	>	/**
2214	>	* applyToEither result completes normally after normal completion
2215	>	* of either source
2216	>	*/
2217	>	public void testApplyToEither_normalCompletion() {
2218		for (ExecutionMode m : ExecutionMode.values())
2219		for (Integer v1 : new Integer[] { 1, null })
2220	<	for (Integer v2 : new Integer[] { 2, null }) {
2221	<
2220	>	for (Integer v2 : new Integer[] { 2, null })
2221	>	{
2222		final CompletableFuture<Integer> f = new CompletableFuture<>();
2223		final CompletableFuture<Integer> g = new CompletableFuture<>();
2224	<	final IncFunction r = new IncFunction();
2225	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2224	>	final IncFunction[] rs = new IncFunction[6];
2225	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2226
2227	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2228	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2229	+	checkIncomplete(h0);
2230	+	checkIncomplete(h1);
2231	+	rs[0].assertNotInvoked();
2232	+	rs[1].assertNotInvoked();
2233	+	f.complete(v1);
2234	+	checkCompletedNormally(h0, inc(v1));
2235	+	checkCompletedNormally(h1, inc(v1));
2236	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2237	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2238	+	checkCompletedNormally(h2, inc(v1));
2239	+	checkCompletedNormally(h3, inc(v1));
2240		g.complete(v2);
1821	–	checkCompletedNormally(h, inc(v2));
1822	–	f.complete(v1);
1823	–
1824	–	checkCompletedNormally(f, v1);
1825	–	checkCompletedNormally(g, v2);
1826	–	checkCompletedNormally(h, inc(v2));
1827	–	}
1828	–	}
1829	–	public void testApplyToEither_normalCompletion3() {
1830	–	for (ExecutionMode m : ExecutionMode.values())
1831	–	for (Integer v1 : new Integer[] { 1, null })
1832	–	for (Integer v2 : new Integer[] { 2, null }) {
1833	–
1834	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1835	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1836	–	final IncFunction r = new IncFunction();
2241
2242	<	f.complete(v1);
2243	<	g.complete(v2);
2244	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2242	>	// unspecified behavior - both source completions available
2243	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2244	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2245	>	rs[4].assertValue(h4.join());
2246	>	rs[5].assertValue(h5.join());
2247	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2248	>	Objects.equals(inc(v2), h4.join()));
2249	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2250	>	Objects.equals(inc(v2), h5.join()));
2251
2252		checkCompletedNormally(f, v1);
2253		checkCompletedNormally(g, v2);
2254	<
2255	<	// unspecified behavior
2256	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2257	<	Objects.equals(h.join(), inc(v2)));
2258	<	assertEquals(1, r.invocationCount);
2259	<	}
1850	<	}
2254	>	checkCompletedNormally(h0, inc(v1));
2255	>	checkCompletedNormally(h1, inc(v1));
2256	>	checkCompletedNormally(h2, inc(v1));
2257	>	checkCompletedNormally(h3, inc(v1));
2258	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2259	>	}}
2260
2261		/**
2262		* applyToEither result completes exceptionally after exceptional
2263		* completion of either source
2264		*/
2265	<	public void testApplyToEither_exceptionalCompletion1() {
2265	>	public void testApplyToEither_exceptionalCompletion() {
2266		for (ExecutionMode m : ExecutionMode.values())
2267	<	for (Integer v1 : new Integer[] { 1, null }) {
2268	<
2267	>	for (Integer v1 : new Integer[] { 1, null })
2268	>	{
2269		final CompletableFuture<Integer> f = new CompletableFuture<>();
2270		final CompletableFuture<Integer> g = new CompletableFuture<>();
1862	–	final IncFunction r = new IncFunction();
1863	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2271		final CFException ex = new CFException();
2272	+	final IncFunction[] rs = new IncFunction[6];
2273	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2274
2275	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2276	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2277	+	checkIncomplete(h0);
2278	+	checkIncomplete(h1);
2279	+	rs[0].assertNotInvoked();
2280	+	rs[1].assertNotInvoked();
2281		f.completeExceptionally(ex);
2282	<	checkCompletedWithWrappedCFException(h, ex);
2282	>	checkCompletedWithWrappedException(h0, ex);
2283	>	checkCompletedWithWrappedException(h1, ex);
2284	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2285	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2286	>	checkCompletedWithWrappedException(h2, ex);
2287	>	checkCompletedWithWrappedException(h3, ex);
2288		g.complete(v1);
2289
2290	<	assertEquals(0, r.invocationCount);
2291	<	checkCompletedNormally(g, v1);
2292	<	checkCompletedWithWrappedCFException(f, ex);
2293	<	checkCompletedWithWrappedCFException(h, ex);
2294	<	}
2295	<	}
2296	<
2297	<	public void testApplyToEither_exceptionalCompletion2() {
2298	<	for (ExecutionMode m : ExecutionMode.values())
1879	<	for (Integer v1 : new Integer[] { 1, null }) {
1880	<
1881	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1882	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1883	<	final IncFunction r = new IncFunction();
1884	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1885	<	final CFException ex = new CFException();
1886	<
1887	<	g.completeExceptionally(ex);
1888	<	checkCompletedWithWrappedCFException(h, ex);
1889	<	f.complete(v1);
1890	<
1891	<	assertEquals(0, r.invocationCount);
1892	<	checkCompletedNormally(f, v1);
1893	<	checkCompletedWithWrappedCFException(g, ex);
1894	<	checkCompletedWithWrappedCFException(h, ex);
2290	>	// unspecified behavior - both source completions available
2291	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2292	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2293	>	try {
2294	>	assertEquals(inc(v1), h4.join());
2295	>	rs[4].assertValue(inc(v1));
2296	>	} catch (CompletionException ok) {
2297	>	checkCompletedWithWrappedException(h4, ex);
2298	>	rs[4].assertNotInvoked();
2299		}
1896	–	}
1897	–
1898	–	public void testApplyToEither_exceptionalCompletion3() {
1899	–	for (ExecutionMode m : ExecutionMode.values())
1900	–	for (Integer v1 : new Integer[] { 1, null }) {
1901	–
1902	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1903	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1904	–	final IncFunction r = new IncFunction();
1905	–	final CFException ex = new CFException();
1906	–
1907	–	g.completeExceptionally(ex);
1908	–	f.complete(v1);
1909	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1910	–
1911	–	// unspecified behavior
1912	–	Integer v;
2300		try {
2301	<	assertEquals(h.join(), inc(v1));
2302	<	assertEquals(1, r.invocationCount);
2301	>	assertEquals(inc(v1), h5.join());
2302	>	rs[5].assertValue(inc(v1));
2303		} catch (CompletionException ok) {
2304	<	checkCompletedWithWrappedCFException(h, ex);
2305	<	assertEquals(0, r.invocationCount);
2304	>	checkCompletedWithWrappedException(h5, ex);
2305	>	rs[5].assertNotInvoked();
2306		}
2307
2308	<	checkCompletedWithWrappedCFException(g, ex);
2309	<	checkCompletedNormally(f, v1);
2310	<	}
2311	<	}
2308	>	checkCompletedExceptionally(f, ex);
2309	>	checkCompletedNormally(g, v1);
2310	>	checkCompletedWithWrappedException(h0, ex);
2311	>	checkCompletedWithWrappedException(h1, ex);
2312	>	checkCompletedWithWrappedException(h2, ex);
2313	>	checkCompletedWithWrappedException(h3, ex);
2314	>	checkCompletedWithWrappedException(h4, ex);
2315	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2316	>	}}
2317
2318	<	public void testApplyToEither_exceptionalCompletion4() {
2318	>	public void testApplyToEither_exceptionalCompletion2() {
2319		for (ExecutionMode m : ExecutionMode.values())
2320	<	for (Integer v1 : new Integer[] { 1, null }) {
2321	<
2320	>	for (boolean fFirst : new boolean[] { true, false })
2321	>	for (Integer v1 : new Integer[] { 1, null })
2322	>	{
2323		final CompletableFuture<Integer> f = new CompletableFuture<>();
2324		final CompletableFuture<Integer> g = new CompletableFuture<>();
1932	–	final IncFunction r = new IncFunction();
2325		final CFException ex = new CFException();
2326	+	final IncFunction[] rs = new IncFunction[6];
2327	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2328
2329	<	f.completeExceptionally(ex);
2330	<	g.complete(v1);
2331	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2329	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2330	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2331	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2332	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2333	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2334	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2335
2336	<	// unspecified behavior
1940	<	Integer v;
2336	>	// unspecified behavior - both source completions available
2337		try {
2338	<	assertEquals(h.join(), inc(v1));
2339	<	assertEquals(1, r.invocationCount);
2338	>	assertEquals(inc(v1), h0.join());
2339	>	rs[0].assertValue(inc(v1));
2340		} catch (CompletionException ok) {
2341	<	checkCompletedWithWrappedCFException(h, ex);
2342	<	assertEquals(0, r.invocationCount);
2341	>	checkCompletedWithWrappedException(h0, ex);
2342	>	rs[0].assertNotInvoked();
2343		}
2344	<
2345	<	checkCompletedWithWrappedCFException(f, ex);
2346	<	checkCompletedNormally(g, v1);
2344	>	try {
2345	>	assertEquals(inc(v1), h1.join());
2346	>	rs[1].assertValue(inc(v1));
2347	>	} catch (CompletionException ok) {
2348	>	checkCompletedWithWrappedException(h1, ex);
2349	>	rs[1].assertNotInvoked();
2350		}
2351	<	}
2352	<
2353	<	/**
2354	<	* applyToEither result completes exceptionally if action does
2355	<	*/
2356	<	public void testApplyToEither_actionFailed1() {
2357	<	for (ExecutionMode m : ExecutionMode.values())
2358	<	for (Integer v1 : new Integer[] { 1, null })
2359	<	for (Integer v2 : new Integer[] { 2, null }) {
2360	<
2361	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2362	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2363	<	final FailingFunction r = new FailingFunction();
1965	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1966	<
1967	<	f.complete(v1);
1968	<	checkCompletedWithWrappedCFException(h);
1969	<	g.complete(v2);
1970	<	checkCompletedNormally(f, v1);
1971	<	checkCompletedNormally(g, v2);
2351	>	try {
2352	>	assertEquals(inc(v1), h2.join());
2353	>	rs[2].assertValue(inc(v1));
2354	>	} catch (CompletionException ok) {
2355	>	checkCompletedWithWrappedException(h2, ex);
2356	>	rs[2].assertNotInvoked();
2357	>	}
2358	>	try {
2359	>	assertEquals(inc(v1), h3.join());
2360	>	rs[3].assertValue(inc(v1));
2361	>	} catch (CompletionException ok) {
2362	>	checkCompletedWithWrappedException(h3, ex);
2363	>	rs[3].assertNotInvoked();
2364		}
1973	–	}
1974	–
1975	–	public void testApplyToEither_actionFailed2() {
1976	–	for (ExecutionMode m : ExecutionMode.values())
1977	–	for (Integer v1 : new Integer[] { 1, null })
1978	–	for (Integer v2 : new Integer[] { 2, null }) {
1979	–
1980	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1981	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1982	–	final FailingFunction r = new FailingFunction();
1983	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2365
1985	–	g.complete(v2);
1986	–	checkCompletedWithWrappedCFException(h);
1987	–	f.complete(v1);
2366		checkCompletedNormally(f, v1);
2367	<	checkCompletedNormally(g, v2);
2368	<	}
1991	<	}
2367	>	checkCompletedExceptionally(g, ex);
2368	>	}}
2369
2370		/**
2371		* applyToEither result completes exceptionally if either source cancelled
2372		*/
2373	<	public void testApplyToEither_sourceCancelled1() {
2373	>	public void testApplyToEither_sourceCancelled() {
2374		for (ExecutionMode m : ExecutionMode.values())
2375		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2376	<	for (Integer v1 : new Integer[] { 1, null }) {
2377	<
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 IncFunction r = new IncFunction();
2381	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2380	>	final IncFunction[] rs = new IncFunction[6];
2381	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2382
2383	<	assertTrue(f.cancel(mayInterruptIfRunning));
2384	<	checkCompletedWithWrappedCancellationException(h);
2383	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2384	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2385	>	checkIncomplete(h0);
2386	>	checkIncomplete(h1);
2387	>	rs[0].assertNotInvoked();
2388	>	rs[1].assertNotInvoked();
2389	>	f.cancel(mayInterruptIfRunning);
2390	>	checkCompletedWithWrappedCancellationException(h0);
2391	>	checkCompletedWithWrappedCancellationException(h1);
2392	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2393	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2394	>	checkCompletedWithWrappedCancellationException(h2);
2395	>	checkCompletedWithWrappedCancellationException(h3);
2396		g.complete(v1);
2397
2398	+	// unspecified behavior - both source completions available
2399	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2400	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2401	+	try {
2402	+	assertEquals(inc(v1), h4.join());
2403	+	rs[4].assertValue(inc(v1));
2404	+	} catch (CompletionException ok) {
2405	+	checkCompletedWithWrappedCancellationException(h4);
2406	+	rs[4].assertNotInvoked();
2407	+	}
2408	+	try {
2409	+	assertEquals(inc(v1), h5.join());
2410	+	rs[5].assertValue(inc(v1));
2411	+	} catch (CompletionException ok) {
2412	+	checkCompletedWithWrappedCancellationException(h5);
2413	+	rs[5].assertNotInvoked();
2414	+	}
2415	+
2416		checkCancelled(f);
2011	–	assertEquals(0, r.invocationCount);
2417		checkCompletedNormally(g, v1);
2418	<	checkCompletedWithWrappedCancellationException(h);
2419	<	}
2420	<	}
2418	>	checkCompletedWithWrappedCancellationException(h0);
2419	>	checkCompletedWithWrappedCancellationException(h1);
2420	>	checkCompletedWithWrappedCancellationException(h2);
2421	>	checkCompletedWithWrappedCancellationException(h3);
2422	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2423	>	}}
2424
2425		public void testApplyToEither_sourceCancelled2() {
2426		for (ExecutionMode m : ExecutionMode.values())
2427		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2428	<	for (Integer v1 : new Integer[] { 1, null }) {
2429	<
2428	>	for (boolean fFirst : new boolean[] { true, false })
2429	>	for (Integer v1 : new Integer[] { 1, null })
2430	>	{
2431		final CompletableFuture<Integer> f = new CompletableFuture<>();
2432		final CompletableFuture<Integer> g = new CompletableFuture<>();
2433	<	final IncFunction r = new IncFunction();
2434	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2433	>	final IncFunction[] rs = new IncFunction[6];
2434	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2435
2436	<	assertTrue(g.cancel(mayInterruptIfRunning));
2437	<	checkCompletedWithWrappedCancellationException(h);
2438	<	f.complete(v1);
2436	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2437	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2438	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2439	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2440	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2441	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2442
2443	<	checkCancelled(g);
2444	<	assertEquals(0, r.invocationCount);
2445	<	checkCompletedNormally(f, v1);
2446	<	checkCompletedWithWrappedCancellationException(h);
2443	>	// unspecified behavior - both source completions available
2444	>	try {
2445	>	assertEquals(inc(v1), h0.join());
2446	>	rs[0].assertValue(inc(v1));
2447	>	} catch (CompletionException ok) {
2448	>	checkCompletedWithWrappedCancellationException(h0);
2449	>	rs[0].assertNotInvoked();
2450		}
2036	–	}
2037	–
2038	–	public void testApplyToEither_sourceCancelled3() {
2039	–	for (ExecutionMode m : ExecutionMode.values())
2040	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2041	–	for (Integer v1 : new Integer[] { 1, null }) {
2042	–
2043	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2044	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2045	–	final IncFunction r = new IncFunction();
2046	–
2047	–	assertTrue(g.cancel(mayInterruptIfRunning));
2048	–	f.complete(v1);
2049	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2050	–
2051	–	// unspecified behavior
2052	–	Integer v;
2451		try {
2452	<	assertEquals(h.join(), inc(v1));
2453	<	assertEquals(1, r.invocationCount);
2452	>	assertEquals(inc(v1), h1.join());
2453	>	rs[1].assertValue(inc(v1));
2454		} catch (CompletionException ok) {
2455	<	checkCompletedWithWrappedCancellationException(h);
2456	<	assertEquals(0, r.invocationCount);
2455	>	checkCompletedWithWrappedCancellationException(h1);
2456	>	rs[1].assertNotInvoked();
2457		}
2458	<
2459	<	checkCancelled(g);
2460	<	checkCompletedNormally(f, v1);
2458	>	try {
2459	>	assertEquals(inc(v1), h2.join());
2460	>	rs[2].assertValue(inc(v1));
2461	>	} catch (CompletionException ok) {
2462	>	checkCompletedWithWrappedCancellationException(h2);
2463	>	rs[2].assertNotInvoked();
2464		}
2064	–	}
2065	–
2066	–	public void testApplyToEither_sourceCancelled4() {
2067	–	for (ExecutionMode m : ExecutionMode.values())
2068	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2069	–	for (Integer v1 : new Integer[] { 1, null }) {
2070	–
2071	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2072	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2073	–	final IncFunction r = new IncFunction();
2074	–
2075	–	assertTrue(f.cancel(mayInterruptIfRunning));
2076	–	g.complete(v1);
2077	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2078	–
2079	–	// unspecified behavior
2080	–	Integer v;
2465		try {
2466	<	assertEquals(h.join(), inc(v1));
2467	<	assertEquals(1, r.invocationCount);
2466	>	assertEquals(inc(v1), h3.join());
2467	>	rs[3].assertValue(inc(v1));
2468		} catch (CompletionException ok) {
2469	<	checkCompletedWithWrappedCancellationException(h);
2470	<	assertEquals(0, r.invocationCount);
2469	>	checkCompletedWithWrappedCancellationException(h3);
2470	>	rs[3].assertNotInvoked();
2471		}
2472
2473	<	checkCancelled(f);
2474	<	checkCompletedNormally(g, v1);
2475	<	}
2092	<	}
2473	>	checkCompletedNormally(f, v1);
2474	>	checkCancelled(g);
2475	>	}}
2476
2477		/**
2478	<	* acceptEither result completes normally after normal completion
2096	<	* of either source
2478	>	* applyToEither result completes exceptionally if action does
2479		*/
2480	<	public void testAcceptEither_normalCompletion1() {
2480	>	public void testApplyToEither_actionFailed() {
2481		for (ExecutionMode m : ExecutionMode.values())
2482		for (Integer v1 : new Integer[] { 1, null })
2483	<	for (Integer v2 : new Integer[] { 2, null }) {
2484	<
2483	>	for (Integer v2 : new Integer[] { 2, null })
2484	>	{
2485		final CompletableFuture<Integer> f = new CompletableFuture<>();
2486		final CompletableFuture<Integer> g = new CompletableFuture<>();
2487	<	final IncAction r = new IncAction();
2488	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2487	>	final FailingFunction[] rs = new FailingFunction[6];
2488	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2489	>
2490	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2491	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2492	>	f.complete(v1);
2493	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2494	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2495	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2496	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2497	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2498	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2499	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2500
2108	–	f.complete(v1);
2109	–	checkCompletedNormally(h, null);
2110	–	assertEquals(r.value, inc(v1));
2501		g.complete(v2);
2502
2503	+	// unspecified behavior - both source completions available
2504	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2505	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2506	+
2507	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2508	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2509	+	Objects.equals(v2, rs[4].value));
2510	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2511	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2512	+	Objects.equals(v2, rs[5].value));
2513	+
2514		checkCompletedNormally(f, v1);
2515		checkCompletedNormally(g, v2);
2516	<	checkCompletedNormally(h, null);
2116	<	}
2117	<	}
2516	>	}}
2517
2518	<	public void testAcceptEither_normalCompletion2() {
2518	>	/**
2519	>	* acceptEither result completes normally after normal completion
2520	>	* of either source
2521	>	*/
2522	>	public void testAcceptEither_normalCompletion() {
2523		for (ExecutionMode m : ExecutionMode.values())
2524		for (Integer v1 : new Integer[] { 1, null })
2525	<	for (Integer v2 : new Integer[] { 2, null }) {
2526	<
2525	>	for (Integer v2 : new Integer[] { 2, null })
2526	>	{
2527		final CompletableFuture<Integer> f = new CompletableFuture<>();
2528		final CompletableFuture<Integer> g = new CompletableFuture<>();
2529	<	final IncAction r = new IncAction();
2530	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2529	>	final NoopConsumer[] rs = new NoopConsumer[6];
2530	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2531
2532	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2533	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2534	+	checkIncomplete(h0);
2535	+	checkIncomplete(h1);
2536	+	rs[0].assertNotInvoked();
2537	+	rs[1].assertNotInvoked();
2538	+	f.complete(v1);
2539	+	checkCompletedNormally(h0, null);
2540	+	checkCompletedNormally(h1, null);
2541	+	rs[0].assertValue(v1);
2542	+	rs[1].assertValue(v1);
2543	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2544	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2545	+	checkCompletedNormally(h2, null);
2546	+	checkCompletedNormally(h3, null);
2547	+	rs[2].assertValue(v1);
2548	+	rs[3].assertValue(v1);
2549		g.complete(v2);
2130	–	checkCompletedNormally(h, null);
2131	–	assertEquals(r.value, inc(v2));
2132	–	f.complete(v1);
2550
2551	<	checkCompletedNormally(f, v1);
2552	<	checkCompletedNormally(g, v2);
2553	<	checkCompletedNormally(h, null);
2554	<	}
2555	<	}
2556	<	public void testAcceptEither_normalCompletion3() {
2557	<	for (ExecutionMode m : ExecutionMode.values())
2558	<	for (Integer v1 : new Integer[] { 1, null })
2559	<	for (Integer v2 : new Integer[] { 2, null }) {
2143	<
2144	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2145	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2146	<	final IncAction r = new IncAction();
2551	>	// unspecified behavior - both source completions available
2552	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2553	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2554	>	checkCompletedNormally(h4, null);
2555	>	checkCompletedNormally(h5, null);
2556	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2557	>	Objects.equals(v2, rs[4].value));
2558	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2559	>	Objects.equals(v2, rs[5].value));
2560
2148	–	f.complete(v1);
2149	–	g.complete(v2);
2150	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2151	–
2152	–	checkCompletedNormally(h, null);
2561		checkCompletedNormally(f, v1);
2562		checkCompletedNormally(g, v2);
2563	<
2564	<	// unspecified behavior
2565	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2566	<	Objects.equals(r.value, inc(v2)));
2567	<	}
2568	<	}
2563	>	checkCompletedNormally(h0, null);
2564	>	checkCompletedNormally(h1, null);
2565	>	checkCompletedNormally(h2, null);
2566	>	checkCompletedNormally(h3, null);
2567	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2568	>	}}
2569
2570		/**
2571		* acceptEither result completes exceptionally after exceptional
2572		* completion of either source
2573		*/
2574	<	public void testAcceptEither_exceptionalCompletion1() {
2574	>	public void testAcceptEither_exceptionalCompletion() {
2575		for (ExecutionMode m : ExecutionMode.values())
2576	<	for (Integer v1 : new Integer[] { 1, null }) {
2577	<
2576	>	for (Integer v1 : new Integer[] { 1, null })
2577	>	{
2578		final CompletableFuture<Integer> f = new CompletableFuture<>();
2579		final CompletableFuture<Integer> g = new CompletableFuture<>();
2172	–	final IncAction r = new IncAction();
2173	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2580		final CFException ex = new CFException();
2581	+	final NoopConsumer[] rs = new NoopConsumer[6];
2582	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2583
2584	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2585	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2586	+	checkIncomplete(h0);
2587	+	checkIncomplete(h1);
2588	+	rs[0].assertNotInvoked();
2589	+	rs[1].assertNotInvoked();
2590		f.completeExceptionally(ex);
2591	<	checkCompletedWithWrappedCFException(h, ex);
2592	<	g.complete(v1);
2593	<
2594	<	assertEquals(0, r.invocationCount);
2595	<	checkCompletedNormally(g, v1);
2596	<	checkCompletedWithWrappedCFException(f, ex);
2183	<	checkCompletedWithWrappedCFException(h, ex);
2184	<	}
2185	<	}
2186	<
2187	<	public void testAcceptEither_exceptionalCompletion2() {
2188	<	for (ExecutionMode m : ExecutionMode.values())
2189	<	for (Integer v1 : new Integer[] { 1, null }) {
2591	>	checkCompletedWithWrappedException(h0, ex);
2592	>	checkCompletedWithWrappedException(h1, ex);
2593	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2594	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2595	>	checkCompletedWithWrappedException(h2, ex);
2596	>	checkCompletedWithWrappedException(h3, ex);
2597
2598	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2192	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2193	<	final IncAction r = new IncAction();
2194	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2195	<	final CFException ex = new CFException();
2196	<
2197	<	g.completeExceptionally(ex);
2198	<	checkCompletedWithWrappedCFException(h, ex);
2199	<	f.complete(v1);
2598	>	g.complete(v1);
2599
2600	<	assertEquals(0, r.invocationCount);
2601	<	checkCompletedNormally(f, v1);
2602	<	checkCompletedWithWrappedCFException(g, ex);
2603	<	checkCompletedWithWrappedCFException(h, ex);
2600	>	// unspecified behavior - both source completions available
2601	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2602	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2603	>	try {
2604	>	assertNull(h4.join());
2605	>	rs[4].assertValue(v1);
2606	>	} catch (CompletionException ok) {
2607	>	checkCompletedWithWrappedException(h4, ex);
2608	>	rs[4].assertNotInvoked();
2609		}
2206	–	}
2207	–
2208	–	public void testAcceptEither_exceptionalCompletion3() {
2209	–	for (ExecutionMode m : ExecutionMode.values())
2210	–	for (Integer v1 : new Integer[] { 1, null }) {
2211	–
2212	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2213	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2214	–	final IncAction r = new IncAction();
2215	–	final CFException ex = new CFException();
2216	–
2217	–	g.completeExceptionally(ex);
2218	–	f.complete(v1);
2219	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2220	–
2221	–	// unspecified behavior
2222	–	Integer v;
2610		try {
2611	<	assertEquals(h.join(), null);
2612	<	assertEquals(1, r.invocationCount);
2226	<	assertEquals(inc(v1), r.value);
2611	>	assertNull(h5.join());
2612	>	rs[5].assertValue(v1);
2613		} catch (CompletionException ok) {
2614	<	checkCompletedWithWrappedCFException(h, ex);
2615	<	assertEquals(0, r.invocationCount);
2614	>	checkCompletedWithWrappedException(h5, ex);
2615	>	rs[5].assertNotInvoked();
2616		}
2617
2618	<	checkCompletedWithWrappedCFException(g, ex);
2619	<	checkCompletedNormally(f, v1);
2620	<	}
2621	<	}
2618	>	checkCompletedExceptionally(f, ex);
2619	>	checkCompletedNormally(g, v1);
2620	>	checkCompletedWithWrappedException(h0, ex);
2621	>	checkCompletedWithWrappedException(h1, ex);
2622	>	checkCompletedWithWrappedException(h2, ex);
2623	>	checkCompletedWithWrappedException(h3, ex);
2624	>	checkCompletedWithWrappedException(h4, ex);
2625	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2626	>	}}
2627
2628	<	public void testAcceptEither_exceptionalCompletion4() {
2628	>	public void testAcceptEither_exceptionalCompletion2() {
2629		for (ExecutionMode m : ExecutionMode.values())
2630	<	for (Integer v1 : new Integer[] { 1, null }) {
2631	<
2630	>	for (boolean fFirst : new boolean[] { true, false })
2631	>	for (Integer v1 : new Integer[] { 1, null })
2632	>	{
2633		final CompletableFuture<Integer> f = new CompletableFuture<>();
2634		final CompletableFuture<Integer> g = new CompletableFuture<>();
2243	–	final IncAction r = new IncAction();
2635		final CFException ex = new CFException();
2636	+	final NoopConsumer[] rs = new NoopConsumer[6];
2637	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2638
2639	<	f.completeExceptionally(ex);
2640	<	g.complete(v1);
2641	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2639	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2640	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2641	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2642	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2643	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2644	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2645
2646	<	// unspecified behavior
2251	<	Integer v;
2646	>	// unspecified behavior - both source completions available
2647		try {
2648	<	assertEquals(h.join(), null);
2649	<	assertEquals(1, r.invocationCount);
2255	<	assertEquals(inc(v1), r.value);
2648	>	assertNull(h0.join());
2649	>	rs[0].assertValue(v1);
2650		} catch (CompletionException ok) {
2651	<	checkCompletedWithWrappedCFException(h, ex);
2652	<	assertEquals(0, r.invocationCount);
2651	>	checkCompletedWithWrappedException(h0, ex);
2652	>	rs[0].assertNotInvoked();
2653		}
2654	<
2655	<	checkCompletedWithWrappedCFException(f, ex);
2656	<	checkCompletedNormally(g, v1);
2654	>	try {
2655	>	assertNull(h1.join());
2656	>	rs[1].assertValue(v1);
2657	>	} catch (CompletionException ok) {
2658	>	checkCompletedWithWrappedException(h1, ex);
2659	>	rs[1].assertNotInvoked();
2660		}
2661	<	}
2662	<
2663	<	/**
2664	<	* acceptEither result completes exceptionally if action does
2665	<	*/
2666	<	public void testAcceptEither_actionFailed1() {
2667	<	for (ExecutionMode m : ExecutionMode.values())
2668	<	for (Integer v1 : new Integer[] { 1, null })
2669	<	for (Integer v2 : new Integer[] { 2, null }) {
2670	<
2671	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2672	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2673	<	final FailingConsumer r = new FailingConsumer();
2277	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2278	<
2279	<	f.complete(v1);
2280	<	checkCompletedWithWrappedCFException(h);
2281	<	g.complete(v2);
2282	<	checkCompletedNormally(f, v1);
2283	<	checkCompletedNormally(g, v2);
2661	>	try {
2662	>	assertNull(h2.join());
2663	>	rs[2].assertValue(v1);
2664	>	} catch (CompletionException ok) {
2665	>	checkCompletedWithWrappedException(h2, ex);
2666	>	rs[2].assertNotInvoked();
2667	>	}
2668	>	try {
2669	>	assertNull(h3.join());
2670	>	rs[3].assertValue(v1);
2671	>	} catch (CompletionException ok) {
2672	>	checkCompletedWithWrappedException(h3, ex);
2673	>	rs[3].assertNotInvoked();
2674		}
2285	–	}
2286	–
2287	–	public void testAcceptEither_actionFailed2() {
2288	–	for (ExecutionMode m : ExecutionMode.values())
2289	–	for (Integer v1 : new Integer[] { 1, null })
2290	–	for (Integer v2 : new Integer[] { 2, null }) {
2291	–
2292	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2293	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2294	–	final FailingConsumer r = new FailingConsumer();
2295	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2675
2297	–	g.complete(v2);
2298	–	checkCompletedWithWrappedCFException(h);
2299	–	f.complete(v1);
2676		checkCompletedNormally(f, v1);
2677	<	checkCompletedNormally(g, v2);
2678	<	}
2303	<	}
2677	>	checkCompletedExceptionally(g, ex);
2678	>	}}
2679
2680		/**
2681		* acceptEither result completes exceptionally if either source cancelled
2682		*/
2683	<	public void testAcceptEither_sourceCancelled1() {
2683	>	public void testAcceptEither_sourceCancelled() {
2684		for (ExecutionMode m : ExecutionMode.values())
2685		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2686	<	for (Integer v1 : new Integer[] { 1, null }) {
2687	<
2313	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2314	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2315	<	final IncAction r = new IncAction();
2316	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2317	<
2318	<	assertTrue(f.cancel(mayInterruptIfRunning));
2319	<	checkCompletedWithWrappedCancellationException(h);
2320	<	g.complete(v1);
2321	<
2322	<	checkCancelled(f);
2323	<	assertEquals(0, r.invocationCount);
2324	<	checkCompletedNormally(g, v1);
2325	<	checkCompletedWithWrappedCancellationException(h);
2326	<	}
2327	<	}
2328	<
2329	<	public void testAcceptEither_sourceCancelled2() {
2330	<	for (ExecutionMode m : ExecutionMode.values())
2331	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2332	<	for (Integer v1 : new Integer[] { 1, null }) {
2333	<
2686	>	for (Integer v1 : new Integer[] { 1, null })
2687	>	{
2688		final CompletableFuture<Integer> f = new CompletableFuture<>();
2689		final CompletableFuture<Integer> g = new CompletableFuture<>();
2690	<	final IncAction r = new IncAction();
2691	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2338	<
2339	<	assertTrue(g.cancel(mayInterruptIfRunning));
2340	<	checkCompletedWithWrappedCancellationException(h);
2341	<	f.complete(v1);
2342	<
2343	<	checkCancelled(g);
2344	<	assertEquals(0, r.invocationCount);
2345	<	checkCompletedNormally(f, v1);
2346	<	checkCompletedWithWrappedCancellationException(h);
2347	<	}
2348	<	}
2690	>	final NoopConsumer[] rs = new NoopConsumer[6];
2691	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2692
2693	<	public void testAcceptEither_sourceCancelled3() {
2694	<	for (ExecutionMode m : ExecutionMode.values())
2695	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2696	<	for (Integer v1 : new Integer[] { 1, null }) {
2693	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2694	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2695	>	checkIncomplete(h0);
2696	>	checkIncomplete(h1);
2697	>	rs[0].assertNotInvoked();
2698	>	rs[1].assertNotInvoked();
2699	>	f.cancel(mayInterruptIfRunning);
2700	>	checkCompletedWithWrappedCancellationException(h0);
2701	>	checkCompletedWithWrappedCancellationException(h1);
2702	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2703	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2704	>	checkCompletedWithWrappedCancellationException(h2);
2705	>	checkCompletedWithWrappedCancellationException(h3);
2706
2707	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2356	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2357	<	final IncAction r = new IncAction();
2358	<
2359	<	assertTrue(g.cancel(mayInterruptIfRunning));
2360	<	f.complete(v1);
2361	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2707	>	g.complete(v1);
2708
2709	<	// unspecified behavior
2710	<	Integer v;
2709	>	// unspecified behavior - both source completions available
2710	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2711	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2712		try {
2713	<	assertEquals(h.join(), null);
2714	<	assertEquals(1, r.invocationCount);
2368	<	assertEquals(inc(v1), r.value);
2713	>	assertNull(h4.join());
2714	>	rs[4].assertValue(v1);
2715		} catch (CompletionException ok) {
2716	<	checkCompletedWithWrappedCancellationException(h);
2717	<	assertEquals(0, r.invocationCount);
2716	>	checkCompletedWithWrappedCancellationException(h4);
2717	>	rs[4].assertNotInvoked();
2718		}
2373	–
2374	–	checkCancelled(g);
2375	–	checkCompletedNormally(f, v1);
2376	–	}
2377	–	}
2378	–
2379	–	public void testAcceptEither_sourceCancelled4() {
2380	–	for (ExecutionMode m : ExecutionMode.values())
2381	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2382	–	for (Integer v1 : new Integer[] { 1, null }) {
2383	–
2384	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2385	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2386	–	final IncAction r = new IncAction();
2387	–
2388	–	assertTrue(f.cancel(mayInterruptIfRunning));
2389	–	g.complete(v1);
2390	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2391	–
2392	–	// unspecified behavior
2393	–	Integer v;
2719		try {
2720	<	assertEquals(h.join(), null);
2721	<	assertEquals(1, r.invocationCount);
2397	<	assertEquals(inc(v1), r.value);
2720	>	assertNull(h5.join());
2721	>	rs[5].assertValue(v1);
2722		} catch (CompletionException ok) {
2723	<	checkCompletedWithWrappedCancellationException(h);
2724	<	assertEquals(0, r.invocationCount);
2723	>	checkCompletedWithWrappedCancellationException(h5);
2724	>	rs[5].assertNotInvoked();
2725		}
2726
2727		checkCancelled(f);
2728		checkCompletedNormally(g, v1);
2729	<	}
2730	<	}
2729	>	checkCompletedWithWrappedCancellationException(h0);
2730	>	checkCompletedWithWrappedCancellationException(h1);
2731	>	checkCompletedWithWrappedCancellationException(h2);
2732	>	checkCompletedWithWrappedCancellationException(h3);
2733	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2734	>	}}
2735
2736		/**
2737	<	* runAfterEither result completes normally after normal completion
2410	<	* of either source
2737	>	* acceptEither result completes exceptionally if action does
2738		*/
2739	<	public void testRunAfterEither_normalCompletion1() {
2739	>	public void testAcceptEither_actionFailed() {
2740		for (ExecutionMode m : ExecutionMode.values())
2741		for (Integer v1 : new Integer[] { 1, null })
2742	<	for (Integer v2 : new Integer[] { 2, null }) {
2743	<
2742	>	for (Integer v2 : new Integer[] { 2, null })
2743	>	{
2744		final CompletableFuture<Integer> f = new CompletableFuture<>();
2745		final CompletableFuture<Integer> g = new CompletableFuture<>();
2746	<	final Noop r = new Noop();
2747	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2746	>	final FailingConsumer[] rs = new FailingConsumer[6];
2747	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2748	>
2749	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2750	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2751	>	f.complete(v1);
2752	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2753	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2754	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2755	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2756	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2757	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2758	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2759
2422	–	f.complete(v1);
2423	–	checkCompletedNormally(h, null);
2424	–	assertEquals(1, r.invocationCount);
2760		g.complete(v2);
2761
2762	+	// unspecified behavior - both source completions available
2763	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2764	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2765	+
2766	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2767	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2768	+	Objects.equals(v2, rs[4].value));
2769	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2770	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2771	+	Objects.equals(v2, rs[5].value));
2772	+
2773		checkCompletedNormally(f, v1);
2774		checkCompletedNormally(g, v2);
2775	<	checkCompletedNormally(h, null);
2430	<	assertEquals(1, r.invocationCount);
2431	<	}
2432	<	}
2775	>	}}
2776
2777	<	public void testRunAfterEither_normalCompletion2() {
2777	>	/**
2778	>	* runAfterEither result completes normally after normal completion
2779	>	* of either source
2780	>	*/
2781	>	public void testRunAfterEither_normalCompletion() {
2782		for (ExecutionMode m : ExecutionMode.values())
2783		for (Integer v1 : new Integer[] { 1, null })
2784	<	for (Integer v2 : new Integer[] { 2, null }) {
2785	<
2786	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2787	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2788	<	final Noop r = new Noop();
2789	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2784	>	for (Integer v2 : new Integer[] { 2, null })
2785	>	for (boolean pushNop : new boolean[] { true, false })
2786	>	{
2787	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2788	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2789	>	final Noop[] rs = new Noop[6];
2790	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2791	>
2792	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2793	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2794	>	checkIncomplete(h0);
2795	>	checkIncomplete(h1);
2796	>	rs[0].assertNotInvoked();
2797	>	rs[1].assertNotInvoked();
2798	>	if (pushNop) {          // ad hoc test of intra-completion interference
2799	>	m.thenRun(f, () -> {});
2800	>	m.thenRun(g, () -> {});
2801	>	}
2802	>	f.complete(v1);
2803	>	checkCompletedNormally(h0, null);
2804	>	checkCompletedNormally(h1, null);
2805	>	rs[0].assertInvoked();
2806	>	rs[1].assertInvoked();
2807	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2808	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2809	>	checkCompletedNormally(h2, null);
2810	>	checkCompletedNormally(h3, null);
2811	>	rs[2].assertInvoked();
2812	>	rs[3].assertInvoked();
2813
2814		g.complete(v2);
2445	–	checkCompletedNormally(h, null);
2446	–	assertEquals(1, r.invocationCount);
2447	–	f.complete(v1);
2815
2816	<	checkCompletedNormally(f, v1);
2817	<	checkCompletedNormally(g, v2);
2451	<	checkCompletedNormally(h, null);
2452	<	assertEquals(1, r.invocationCount);
2453	<	}
2454	<	}
2455	<	public void testRunAfterEither_normalCompletion3() {
2456	<	for (ExecutionMode m : ExecutionMode.values())
2457	<	for (Integer v1 : new Integer[] { 1, null })
2458	<	for (Integer v2 : new Integer[] { 2, null }) {
2816	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2817	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2818
2460	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2461	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2462	–	final Noop r = new Noop();
2463	–
2464	–	f.complete(v1);
2465	–	g.complete(v2);
2466	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2467	–
2468	–	checkCompletedNormally(h, null);
2819		checkCompletedNormally(f, v1);
2820		checkCompletedNormally(g, v2);
2821	<	assertEquals(1, r.invocationCount);
2822	<	}
2823	<	}
2821	>	checkCompletedNormally(h0, null);
2822	>	checkCompletedNormally(h1, null);
2823	>	checkCompletedNormally(h2, null);
2824	>	checkCompletedNormally(h3, null);
2825	>	checkCompletedNormally(h4, null);
2826	>	checkCompletedNormally(h5, null);
2827	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2828	>	}}
2829
2830		/**
2831		* runAfterEither result completes exceptionally after exceptional
2832		* completion of either source
2833		*/
2834	<	public void testRunAfterEither_exceptionalCompletion1() {
2834	>	public void testRunAfterEither_exceptionalCompletion() {
2835		for (ExecutionMode m : ExecutionMode.values())
2836	<	for (Integer v1 : new Integer[] { 1, null }) {
2837	<
2836	>	for (Integer v1 : new Integer[] { 1, null })
2837	>	{
2838		final CompletableFuture<Integer> f = new CompletableFuture<>();
2839		final CompletableFuture<Integer> g = new CompletableFuture<>();
2485	–	final Noop r = new Noop();
2486	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2840		final CFException ex = new CFException();
2841	+	final Noop[] rs = new Noop[6];
2842	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2843
2844	<	f.completeExceptionally(ex);
2845	<	checkCompletedWithWrappedCFException(h, ex);
2846	<	g.complete(v1);
2844	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2845	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2846	>	checkIncomplete(h0);
2847	>	checkIncomplete(h1);
2848	>	rs[0].assertNotInvoked();
2849	>	rs[1].assertNotInvoked();
2850	>	assertTrue(f.completeExceptionally(ex));
2851	>	checkCompletedWithWrappedException(h0, ex);
2852	>	checkCompletedWithWrappedException(h1, ex);
2853	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2854	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2855	>	checkCompletedWithWrappedException(h2, ex);
2856	>	checkCompletedWithWrappedException(h3, ex);
2857	>
2858	>	assertTrue(g.complete(v1));
2859	>
2860	>	// unspecified behavior - both source completions available
2861	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2862	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2863	>	try {
2864	>	assertNull(h4.join());
2865	>	rs[4].assertInvoked();
2866	>	} catch (CompletionException ok) {
2867	>	checkCompletedWithWrappedException(h4, ex);
2868	>	rs[4].assertNotInvoked();
2869	>	}
2870	>	try {
2871	>	assertNull(h5.join());
2872	>	rs[5].assertInvoked();
2873	>	} catch (CompletionException ok) {
2874	>	checkCompletedWithWrappedException(h5, ex);
2875	>	rs[5].assertNotInvoked();
2876	>	}
2877
2878	<	assertEquals(0, r.invocationCount);
2878	>	checkCompletedExceptionally(f, ex);
2879		checkCompletedNormally(g, v1);
2880	<	checkCompletedWithWrappedCFException(f, ex);
2881	<	checkCompletedWithWrappedCFException(h, ex);
2882	<	}
2883	<	}
2880	>	checkCompletedWithWrappedException(h0, ex);
2881	>	checkCompletedWithWrappedException(h1, ex);
2882	>	checkCompletedWithWrappedException(h2, ex);
2883	>	checkCompletedWithWrappedException(h3, ex);
2884	>	checkCompletedWithWrappedException(h4, ex);
2885	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2886	>	}}
2887
2888		public void testRunAfterEither_exceptionalCompletion2() {
2889		for (ExecutionMode m : ExecutionMode.values())
2890	<	for (Integer v1 : new Integer[] { 1, null }) {
2891	<
2892	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2505	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2506	<	final Noop r = new Noop();
2507	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2508	<	final CFException ex = new CFException();
2509	<
2510	<	g.completeExceptionally(ex);
2511	<	checkCompletedWithWrappedCFException(h, ex);
2512	<	f.complete(v1);
2513	<
2514	<	assertEquals(0, r.invocationCount);
2515	<	checkCompletedNormally(f, v1);
2516	<	checkCompletedWithWrappedCFException(g, ex);
2517	<	checkCompletedWithWrappedCFException(h, ex);
2518	<	}
2519	<	}
2520	<
2521	<	public void testRunAfterEither_exceptionalCompletion3() {
2522	<	for (ExecutionMode m : ExecutionMode.values())
2523	<	for (Integer v1 : new Integer[] { 1, null }) {
2524	<
2890	>	for (boolean fFirst : new boolean[] { true, false })
2891	>	for (Integer v1 : new Integer[] { 1, null })
2892	>	{
2893		final CompletableFuture<Integer> f = new CompletableFuture<>();
2894		final CompletableFuture<Integer> g = new CompletableFuture<>();
2527	–	final Noop r = new Noop();
2895		final CFException ex = new CFException();
2896	+	final Noop[] rs = new Noop[6];
2897	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2898
2899	<	g.completeExceptionally(ex);
2900	<	f.complete(v1);
2901	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2899	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2900	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2901	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2902	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2903	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2904	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2905
2906	<	// unspecified behavior
2535	<	Integer v;
2906	>	// unspecified behavior - both source completions available
2907		try {
2908	<	assertEquals(h.join(), null);
2909	<	assertEquals(1, r.invocationCount);
2908	>	assertNull(h0.join());
2909	>	rs[0].assertInvoked();
2910		} catch (CompletionException ok) {
2911	<	checkCompletedWithWrappedCFException(h, ex);
2912	<	assertEquals(0, r.invocationCount);
2542	<	}
2543	<
2544	<	checkCompletedWithWrappedCFException(g, ex);
2545	<	checkCompletedNormally(f, v1);
2911	>	checkCompletedWithWrappedException(h0, ex);
2912	>	rs[0].assertNotInvoked();
2913		}
2547	–	}
2548	–
2549	–	public void testRunAfterEither_exceptionalCompletion4() {
2550	–	for (ExecutionMode m : ExecutionMode.values())
2551	–	for (Integer v1 : new Integer[] { 1, null }) {
2552	–
2553	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2554	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2555	–	final Noop r = new Noop();
2556	–	final CFException ex = new CFException();
2557	–
2558	–	f.completeExceptionally(ex);
2559	–	g.complete(v1);
2560	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2561	–
2562	–	// unspecified behavior
2563	–	Integer v;
2914		try {
2915	<	assertEquals(h.join(), null);
2916	<	assertEquals(1, r.invocationCount);
2915	>	assertNull(h1.join());
2916	>	rs[1].assertInvoked();
2917		} catch (CompletionException ok) {
2918	<	checkCompletedWithWrappedCFException(h, ex);
2919	<	assertEquals(0, r.invocationCount);
2918	>	checkCompletedWithWrappedException(h1, ex);
2919	>	rs[1].assertNotInvoked();
2920		}
2921	<
2922	<	checkCompletedWithWrappedCFException(f, ex);
2923	<	checkCompletedNormally(g, v1);
2921	>	try {
2922	>	assertNull(h2.join());
2923	>	rs[2].assertInvoked();
2924	>	} catch (CompletionException ok) {
2925	>	checkCompletedWithWrappedException(h2, ex);
2926	>	rs[2].assertNotInvoked();
2927		}
2928	<	}
2929	<
2930	<	/**
2931	<	* runAfterEither result completes exceptionally if action does
2932	<	*/
2933	<	public void testRunAfterEither_actionFailed1() {
2581	<	for (ExecutionMode m : ExecutionMode.values())
2582	<	for (Integer v1 : new Integer[] { 1, null })
2583	<	for (Integer v2 : new Integer[] { 2, null }) {
2584	<
2585	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2586	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2587	<	final FailingNoop r = new FailingNoop();
2588	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2589	<
2590	<	f.complete(v1);
2591	<	checkCompletedWithWrappedCFException(h);
2592	<	g.complete(v2);
2593	<	checkCompletedNormally(f, v1);
2594	<	checkCompletedNormally(g, v2);
2928	>	try {
2929	>	assertNull(h3.join());
2930	>	rs[3].assertInvoked();
2931	>	} catch (CompletionException ok) {
2932	>	checkCompletedWithWrappedException(h3, ex);
2933	>	rs[3].assertNotInvoked();
2934		}
2596	–	}
2597	–
2598	–	public void testRunAfterEither_actionFailed2() {
2599	–	for (ExecutionMode m : ExecutionMode.values())
2600	–	for (Integer v1 : new Integer[] { 1, null })
2601	–	for (Integer v2 : new Integer[] { 2, null }) {
2602	–
2603	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2604	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2605	–	final FailingNoop r = new FailingNoop();
2606	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2935
2608	–	g.complete(v2);
2609	–	checkCompletedWithWrappedCFException(h);
2610	–	f.complete(v1);
2936		checkCompletedNormally(f, v1);
2937	<	checkCompletedNormally(g, v2);
2938	<	}
2614	<	}
2937	>	checkCompletedExceptionally(g, ex);
2938	>	}}
2939
2940		/**
2941		* runAfterEither result completes exceptionally if either source cancelled
2942		*/
2943	<	public void testRunAfterEither_sourceCancelled1() {
2943	>	public void testRunAfterEither_sourceCancelled() {
2944		for (ExecutionMode m : ExecutionMode.values())
2945		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2946	<	for (Integer v1 : new Integer[] { 1, null }) {
2947	<
2624	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2625	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2626	<	final Noop r = new Noop();
2627	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2628	<
2629	<	assertTrue(f.cancel(mayInterruptIfRunning));
2630	<	checkCompletedWithWrappedCancellationException(h);
2631	<	g.complete(v1);
2632	<
2633	<	checkCancelled(f);
2634	<	assertEquals(0, r.invocationCount);
2635	<	checkCompletedNormally(g, v1);
2636	<	checkCompletedWithWrappedCancellationException(h);
2637	<	}
2638	<	}
2639	<
2640	<	public void testRunAfterEither_sourceCancelled2() {
2641	<	for (ExecutionMode m : ExecutionMode.values())
2642	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2643	<	for (Integer v1 : new Integer[] { 1, null }) {
2644	<
2645	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2646	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2647	<	final Noop r = new Noop();
2648	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2649	<
2650	<	assertTrue(g.cancel(mayInterruptIfRunning));
2651	<	checkCompletedWithWrappedCancellationException(h);
2652	<	f.complete(v1);
2653	<
2654	<	checkCancelled(g);
2655	<	assertEquals(0, r.invocationCount);
2656	<	checkCompletedNormally(f, v1);
2657	<	checkCompletedWithWrappedCancellationException(h);
2658	<	}
2659	<	}
2660	<
2661	<	public void testRunAfterEither_sourceCancelled3() {
2662	<	for (ExecutionMode m : ExecutionMode.values())
2663	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2664	<	for (Integer v1 : new Integer[] { 1, null }) {
2665	<
2946	>	for (Integer v1 : new Integer[] { 1, null })
2947	>	{
2948		final CompletableFuture<Integer> f = new CompletableFuture<>();
2949		final CompletableFuture<Integer> g = new CompletableFuture<>();
2950	<	final Noop r = new Noop();
2951	<
2670	<	assertTrue(g.cancel(mayInterruptIfRunning));
2671	<	f.complete(v1);
2672	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2950	>	final Noop[] rs = new Noop[6];
2951	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2952
2953	<	// unspecified behavior
2954	<	Integer v;
2953	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2954	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2955	>	checkIncomplete(h0);
2956	>	checkIncomplete(h1);
2957	>	rs[0].assertNotInvoked();
2958	>	rs[1].assertNotInvoked();
2959	>	f.cancel(mayInterruptIfRunning);
2960	>	checkCompletedWithWrappedCancellationException(h0);
2961	>	checkCompletedWithWrappedCancellationException(h1);
2962	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2963	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2964	>	checkCompletedWithWrappedCancellationException(h2);
2965	>	checkCompletedWithWrappedCancellationException(h3);
2966	>
2967	>	assertTrue(g.complete(v1));
2968	>
2969	>	// unspecified behavior - both source completions available
2970	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2971	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2972		try {
2973	<	assertEquals(h.join(), null);
2974	<	assertEquals(1, r.invocationCount);
2973	>	assertNull(h4.join());
2974	>	rs[4].assertInvoked();
2975		} catch (CompletionException ok) {
2976	<	checkCompletedWithWrappedCancellationException(h);
2977	<	assertEquals(0, r.invocationCount);
2682	<	}
2683	<
2684	<	checkCancelled(g);
2685	<	checkCompletedNormally(f, v1);
2976	>	checkCompletedWithWrappedCancellationException(h4);
2977	>	rs[4].assertNotInvoked();
2978		}
2687	–	}
2688	–
2689	–	public void testRunAfterEither_sourceCancelled4() {
2690	–	for (ExecutionMode m : ExecutionMode.values())
2691	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2692	–	for (Integer v1 : new Integer[] { 1, null }) {
2693	–
2694	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2695	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2696	–	final Noop r = new Noop();
2697	–
2698	–	assertTrue(f.cancel(mayInterruptIfRunning));
2699	–	g.complete(v1);
2700	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2701	–
2702	–	// unspecified behavior
2703	–	Integer v;
2979		try {
2980	<	assertEquals(h.join(), null);
2981	<	assertEquals(1, r.invocationCount);
2980	>	assertNull(h5.join());
2981	>	rs[5].assertInvoked();
2982		} catch (CompletionException ok) {
2983	<	checkCompletedWithWrappedCancellationException(h);
2984	<	assertEquals(0, r.invocationCount);
2983	>	checkCompletedWithWrappedCancellationException(h5);
2984	>	rs[5].assertNotInvoked();
2985		}
2986
2987		checkCancelled(f);
2988		checkCompletedNormally(g, v1);
2989	<	}
2990	<	}
2989	>	checkCompletedWithWrappedCancellationException(h0);
2990	>	checkCompletedWithWrappedCancellationException(h1);
2991	>	checkCompletedWithWrappedCancellationException(h2);
2992	>	checkCompletedWithWrappedCancellationException(h3);
2993	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2994	>	}}
2995
2996		/**
2997	<	* thenCompose result completes normally after normal completion of source
2997	>	* runAfterEither result completes exceptionally if action does
2998		*/
2999	<	public void testThenCompose_normalCompletion1() {
2999	>	public void testRunAfterEither_actionFailed() {
3000		for (ExecutionMode m : ExecutionMode.values())
3001	<	for (Integer v1 : new Integer[] { 1, null }) {
3002	<
3001	>	for (Integer v1 : new Integer[] { 1, null })
3002	>	for (Integer v2 : new Integer[] { 2, null })
3003	>	{
3004		final CompletableFuture<Integer> f = new CompletableFuture<>();
3005	<	final CompletableFutureInc r = new CompletableFutureInc();
3006	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3007	<	f.complete(v1);
3008	<	checkCompletedNormally(g, inc(v1));
3005	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3006	>	final FailingRunnable[] rs = new FailingRunnable[6];
3007	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3008	>
3009	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3010	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3011	>	assertTrue(f.complete(v1));
3012	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3013	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3014	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3015	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3016	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3017	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3018	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3019	>	assertTrue(g.complete(v2));
3020	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3021	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3022	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3023	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3024	>
3025		checkCompletedNormally(f, v1);
3026	<	assertEquals(1, r.invocationCount);
3027	<	}
3028	<	}
3026	>	checkCompletedNormally(g, v2);
3027	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3028	>	}}
3029
3030	<	public void testThenCompose_normalCompletion2() {
3030	>	/**
3031	>	* thenCompose result completes normally after normal completion of source
3032	>	*/
3033	>	public void testThenCompose_normalCompletion() {
3034		for (ExecutionMode m : ExecutionMode.values())
3035	<	for (Integer v1 : new Integer[] { 1, null }) {
3036	<
3035	>	for (boolean createIncomplete : new boolean[] { true, false })
3036	>	for (Integer v1 : new Integer[] { 1, null })
3037	>	{
3038		final CompletableFuture<Integer> f = new CompletableFuture<>();
3039	<	final CompletableFutureInc r = new CompletableFutureInc();
3040	<	f.complete(v1);
3041	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3039	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3040	>	if (!createIncomplete) assertTrue(f.complete(v1));
3041	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3042	>	if (createIncomplete) assertTrue(f.complete(v1));
3043	>
3044		checkCompletedNormally(g, inc(v1));
3045		checkCompletedNormally(f, v1);
3046	<	assertEquals(1, r.invocationCount);
3047	<	}
2746	<	}
3046	>	r.assertValue(v1);
3047	>	}}
3048
3049		/**
3050		* thenCompose result completes exceptionally after exceptional
3051		* completion of source
3052		*/
3053	<	public void testThenCompose_exceptionalCompletion1() {
3054	<	for (ExecutionMode m : ExecutionMode.values()) {
3055	<
3053	>	public void testThenCompose_exceptionalCompletion() {
3054	>	for (ExecutionMode m : ExecutionMode.values())
3055	>	for (boolean createIncomplete : new boolean[] { true, false })
3056	>	{
3057		final CFException ex = new CFException();
3058	<	final CompletableFutureInc r = new CompletableFutureInc();
3058	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3059		final CompletableFuture<Integer> f = new CompletableFuture<>();
3060	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3061	<	f.completeExceptionally(ex);
3062	<	checkCompletedWithWrappedCFException(g, ex);
2761	<	checkCompletedWithWrappedCFException(f, ex);
2762	<	}
2763	<	}
3060	>	if (!createIncomplete) f.completeExceptionally(ex);
3061	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3062	>	if (createIncomplete) f.completeExceptionally(ex);
3063
3064	<	public void testThenCompose_exceptionalCompletion2() {
3065	<	for (ExecutionMode m : ExecutionMode.values()) {
3066	<
3067	<	final CFException ex = new CFException();
2769	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2770	<	f.completeExceptionally(ex);
2771	<	final CompletableFutureInc r = new CompletableFutureInc();
2772	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2773	<	checkCompletedWithWrappedCFException(g, ex);
2774	<	checkCompletedWithWrappedCFException(f, ex);
2775	<	}
2776	<	}
3064	>	checkCompletedWithWrappedException(g, ex);
3065	>	checkCompletedExceptionally(f, ex);
3066	>	r.assertNotInvoked();
3067	>	}}
3068
3069		/**
3070		* thenCompose result completes exceptionally if action does
3071		*/
3072	<	public void testThenCompose_actionFailed1() {
3072	>	public void testThenCompose_actionFailed() {
3073		for (ExecutionMode m : ExecutionMode.values())
3074	<	for (Integer v1 : new Integer[] { 1, null }) {
3075	<
3074	>	for (boolean createIncomplete : new boolean[] { true, false })
3075	>	for (Integer v1 : new Integer[] { 1, null })
3076	>	{
3077		final CompletableFuture<Integer> f = new CompletableFuture<>();
3078		final FailingCompletableFutureFunction r
3079	<	= new FailingCompletableFutureFunction();
3080	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3081	<	f.complete(v1);
3082	<	checkCompletedWithWrappedCFException(g);
2791	<	checkCompletedNormally(f, v1);
2792	<	}
2793	<	}
3079	>	= new FailingCompletableFutureFunction(m);
3080	>	if (!createIncomplete) assertTrue(f.complete(v1));
3081	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3082	>	if (createIncomplete) assertTrue(f.complete(v1));
3083
3084	<	public void testThenCompose_actionFailed2() {
2796	<	for (ExecutionMode m : ExecutionMode.values())
2797	<	for (Integer v1 : new Integer[] { 1, null }) {
2798	<
2799	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2800	<	f.complete(v1);
2801	<	final FailingCompletableFutureFunction r
2802	<	= new FailingCompletableFutureFunction();
2803	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2804	<	checkCompletedWithWrappedCFException(g);
3084	>	checkCompletedWithWrappedException(g, r.ex);
3085		checkCompletedNormally(f, v1);
3086	<	}
2807	<	}
3086	>	}}
3087
3088		/**
3089		* thenCompose result completes exceptionally if source cancelled
3090		*/
3091	<	public void testThenCompose_sourceCancelled1() {
3091	>	public void testThenCompose_sourceCancelled() {
3092		for (ExecutionMode m : ExecutionMode.values())
3093	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
3094	<
3093	>	for (boolean createIncomplete : new boolean[] { true, false })
3094	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3095	>	{
3096		final CompletableFuture<Integer> f = new CompletableFuture<>();
3097	<	final CompletableFutureInc r = new CompletableFutureInc();
3098	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3099	<	assertTrue(f.cancel(mayInterruptIfRunning));
3100	<	checkCompletedWithWrappedCancellationException(g);
3101	<	checkCancelled(f);
3097	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3098	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3099	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3100	>	if (createIncomplete) {
3101	>	checkIncomplete(g);
3102	>	assertTrue(f.cancel(mayInterruptIfRunning));
3103		}
2823	–	}
2824	–
2825	–	public void testThenCompose_sourceCancelled2() {
2826	–	for (ExecutionMode m : ExecutionMode.values())
2827	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
3104
2829	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2830	–	assertTrue(f.cancel(mayInterruptIfRunning));
2831	–	final CompletableFutureInc r = new CompletableFutureInc();
2832	–	final CompletableFuture<Integer> g = f.thenCompose(r);
3105		checkCompletedWithWrappedCancellationException(g);
3106		checkCancelled(f);
3107	<	}
2836	<	}
2837	<
2838	<	// asyncs
2839	<
2840	<	/**
2841	<	* thenRunAsync result completes normally after normal completion of source
2842	<	*/
2843	<	public void testThenRunAsync() {
2844	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2845	<	Noop r = new Noop();
2846	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2847	<	f.complete(null);
2848	<	checkCompletedNormally(g, null);
2849	<
2850	<	// reordered version
2851	<	f = new CompletableFuture<>();
2852	<	f.complete(null);
2853	<	r = new Noop();
2854	<	g = f.thenRunAsync(r);
2855	<	checkCompletedNormally(g, null);
2856	<	}
2857	<
2858	<	/**
2859	<	* thenRunAsync result completes exceptionally after exceptional
2860	<	* completion of source
2861	<	*/
2862	<	public void testThenRunAsync2() {
2863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2864	<	Noop r = new Noop();
2865	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2866	<	f.completeExceptionally(new CFException());
2867	<	try {
2868	<	g.join();
2869	<	shouldThrow();
2870	<	} catch (CompletionException success) {}
2871	<	checkCompletedWithWrappedCFException(g);
2872	<	}
2873	<
2874	<	/**
2875	<	* thenRunAsync result completes exceptionally if action does
2876	<	*/
2877	<	public void testThenRunAsync3() {
2878	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2879	<	FailingNoop r = new FailingNoop();
2880	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2881	<	f.complete(null);
2882	<	checkCompletedWithWrappedCFException(g);
2883	<	}
2884	<
2885	<	/**
2886	<	* thenRunAsync result completes exceptionally if source cancelled
2887	<	*/
2888	<	public void testThenRunAsync4() {
2889	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2890	<	Noop r = new Noop();
2891	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2892	<	assertTrue(f.cancel(true));
2893	<	checkCompletedWithWrappedCancellationException(g);
2894	<	}
2895	<
2896	<	/**
2897	<	* thenApplyAsync result completes normally after normal completion of source
2898	<	*/
2899	<	public void testThenApplyAsync() {
2900	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2901	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2902	<	f.complete(one);
2903	<	checkCompletedNormally(g, two);
2904	<	}
2905	<
2906	<	/**
2907	<	* thenApplyAsync result completes exceptionally after exceptional
2908	<	* completion of source
2909	<	*/
2910	<	public void testThenApplyAsync2() {
2911	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2912	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2913	<	f.completeExceptionally(new CFException());
2914	<	checkCompletedWithWrappedCFException(g);
2915	<	}
2916	<
2917	<	/**
2918	<	* thenApplyAsync result completes exceptionally if action does
2919	<	*/
2920	<	public void testThenApplyAsync3() {
2921	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2922	<	FailingFunction r = new FailingFunction();
2923	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2924	<	f.complete(null);
2925	<	checkCompletedWithWrappedCFException(g);
2926	<	}
2927	<
2928	<	/**
2929	<	* thenApplyAsync result completes exceptionally if source cancelled
2930	<	*/
2931	<	public void testThenApplyAsync4() {
2932	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2933	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2934	<	assertTrue(f.cancel(true));
2935	<	checkCompletedWithWrappedCancellationException(g);
2936	<	}
3107	>	}}
3108
3109		/**
3110	<	* thenAcceptAsync result completes normally after normal
2940	<	* completion of source
3110	>	* thenCompose result completes exceptionally if the result of the action does
3111		*/
3112	<	public void testThenAcceptAsync() {
3113	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3114	<	IncAction r = new IncAction();
3115	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3116	<	f.complete(one);
3117	<	checkCompletedNormally(g, null);
3118	<	assertEquals(r.value, (Integer) 2);
3119	<	}
3120	<
3121	<	/**
3122	<	* thenAcceptAsync result completes exceptionally after exceptional
3123	<	* completion of source
3124	<	*/
3125	<	public void testThenAcceptAsync2() {
3126	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3127	<	IncAction r = new IncAction();
3128	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3129	<	f.completeExceptionally(new CFException());
3130	<	checkCompletedWithWrappedCFException(g);
3131	<	}
3132	<
3133	<	/**
3134	<	* thenAcceptAsync result completes exceptionally if action does
3135	<	*/
3136	<	public void testThenAcceptAsync3() {
3137	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3138	<	FailingConsumer r = new FailingConsumer();
3139	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3140	<	f.complete(null);
3141	<	checkCompletedWithWrappedCFException(g);
3142	<	}
3143	<
3144	<	/**
3145	<	* thenAcceptAsync result completes exceptionally if source cancelled
3146	<	*/
3147	<	public void testThenAcceptAsync4() {
3148	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3149	<	IncAction r = new IncAction();
3150	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3151	<	assertTrue(f.cancel(true));
3152	<	checkCompletedWithWrappedCancellationException(g);
3153	<	}
3154	<
2985	<	// async with explicit executors
2986	<
2987	<	/**
2988	<	* thenRunAsync result completes normally after normal completion of source
2989	<	*/
2990	<	public void testThenRunAsyncE() {
2991	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2992	<	Noop r = new Noop();
2993	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2994	<	f.complete(null);
2995	<	checkCompletedNormally(g, null);
3112	>	public void testThenCompose_actionReturnsFailingFuture() {
3113	>	for (ExecutionMode m : ExecutionMode.values())
3114	>	for (int order = 0; order < 6; order++)
3115	>	for (Integer v1 : new Integer[] { 1, null })
3116	>	{
3117	>	final CFException ex = new CFException();
3118	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3119	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3120	>	final CompletableFuture<Integer> h;
3121	>	// Test all permutations of orders
3122	>	switch (order) {
3123	>	case 0:
3124	>	assertTrue(f.complete(v1));
3125	>	assertTrue(g.completeExceptionally(ex));
3126	>	h = m.thenCompose(f, (x -> g));
3127	>	break;
3128	>	case 1:
3129	>	assertTrue(f.complete(v1));
3130	>	h = m.thenCompose(f, (x -> g));
3131	>	assertTrue(g.completeExceptionally(ex));
3132	>	break;
3133	>	case 2:
3134	>	assertTrue(g.completeExceptionally(ex));
3135	>	assertTrue(f.complete(v1));
3136	>	h = m.thenCompose(f, (x -> g));
3137	>	break;
3138	>	case 3:
3139	>	assertTrue(g.completeExceptionally(ex));
3140	>	h = m.thenCompose(f, (x -> g));
3141	>	assertTrue(f.complete(v1));
3142	>	break;
3143	>	case 4:
3144	>	h = m.thenCompose(f, (x -> g));
3145	>	assertTrue(f.complete(v1));
3146	>	assertTrue(g.completeExceptionally(ex));
3147	>	break;
3148	>	case 5:
3149	>	h = m.thenCompose(f, (x -> g));
3150	>	assertTrue(f.complete(v1));
3151	>	assertTrue(g.completeExceptionally(ex));
3152	>	break;
3153	>	default: throw new AssertionError();
3154	>	}
3155
3156	<	// reordered version
3157	<	f = new CompletableFuture<>();
3158	<	f.complete(null);
3159	<	r = new Noop();
3001	<	g = f.thenRunAsync(r, new ThreadExecutor());
3002	<	checkCompletedNormally(g, null);
3003	<	}
3156	>	checkCompletedExceptionally(g, ex);
3157	>	checkCompletedWithWrappedException(h, ex);
3158	>	checkCompletedNormally(f, v1);
3159	>	}}
3160
3161		/**
3162	<	* thenRunAsync result completes exceptionally after exceptional
3162	>	* exceptionallyCompose result completes normally after normal
3163		* completion of source
3164		*/
3165	<	public void testThenRunAsync2E() {
3166	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3167	<	Noop r = new Noop();
3168	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3169	<	f.completeExceptionally(new CFException());
3170	<	try {
3171	<	g.join();
3172	<	shouldThrow();
3173	<	} catch (CompletionException success) {}
3174	<	checkCompletedWithWrappedCFException(g);
3175	<	}
3020	<
3021	<	/**
3022	<	* thenRunAsync result completes exceptionally if action does
3023	<	*/
3024	<	public void testThenRunAsync3E() {
3025	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3026	<	FailingNoop r = new FailingNoop();
3027	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3028	<	f.complete(null);
3029	<	checkCompletedWithWrappedCFException(g);
3030	<	}
3031	<
3032	<	/**
3033	<	* thenRunAsync result completes exceptionally if source cancelled
3034	<	*/
3035	<	public void testThenRunAsync4E() {
3036	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3037	<	Noop r = new Noop();
3038	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3039	<	assertTrue(f.cancel(true));
3040	<	checkCompletedWithWrappedCancellationException(g);
3041	<	}
3165	>	public void testExceptionallyCompose_normalCompletion() {
3166	>	for (ExecutionMode m : ExecutionMode.values())
3167	>	for (boolean createIncomplete : new boolean[] { true, false })
3168	>	for (Integer v1 : new Integer[] { 1, null })
3169	>	{
3170	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3171	>	final ExceptionalCompletableFutureFunction r =
3172	>	new ExceptionalCompletableFutureFunction(m);
3173	>	if (!createIncomplete) assertTrue(f.complete(v1));
3174	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3175	>	if (createIncomplete) assertTrue(f.complete(v1));
3176
3177	<	/**
3178	<	* thenApplyAsync result completes normally after normal completion of source
3179	<	*/
3180	<	public void testThenApplyAsyncE() {
3047	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3048	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3049	<	f.complete(one);
3050	<	checkCompletedNormally(g, two);
3051	<	}
3177	>	checkCompletedNormally(f, v1);
3178	>	checkCompletedNormally(g, v1);
3179	>	r.assertNotInvoked();
3180	>	}}
3181
3182		/**
3183	<	* thenApplyAsync result completes exceptionally after exceptional
3183	>	* exceptionallyCompose result completes normally after exceptional
3184		* completion of source
3185		*/
3186	<	public void testThenApplyAsync2E() {
3187	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3188	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3189	<	f.completeExceptionally(new CFException());
3190	<	checkCompletedWithWrappedCFException(g);
3191	<	}
3192	<
3193	<	/**
3194	<	* thenApplyAsync result completes exceptionally if action does
3195	<	*/
3196	<	public void testThenApplyAsync3E() {
3068	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3069	<	FailingFunction r = new FailingFunction();
3070	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3071	<	f.complete(null);
3072	<	checkCompletedWithWrappedCFException(g);
3073	<	}
3186	>	public void testExceptionallyCompose_exceptionalCompletion() {
3187	>	for (ExecutionMode m : ExecutionMode.values())
3188	>	for (boolean createIncomplete : new boolean[] { true, false })
3189	>	{
3190	>	final CFException ex = new CFException();
3191	>	final ExceptionalCompletableFutureFunction r =
3192	>	new ExceptionalCompletableFutureFunction(m);
3193	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3194	>	if (!createIncomplete) f.completeExceptionally(ex);
3195	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3196	>	if (createIncomplete) f.completeExceptionally(ex);
3197
3198	<	/**
3199	<	* thenApplyAsync result completes exceptionally if source cancelled
3200	<	*/
3201	<	public void testThenApplyAsync4E() {
3079	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3080	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3081	<	assertTrue(f.cancel(true));
3082	<	checkCompletedWithWrappedCancellationException(g);
3083	<	}
3198	>	checkCompletedExceptionally(f, ex);
3199	>	checkCompletedNormally(g, r.value);
3200	>	r.assertInvoked();
3201	>	}}
3202
3203		/**
3204	<	* thenAcceptAsync result completes normally after normal
3087	<	* completion of source
3204	>	* exceptionallyCompose completes exceptionally on exception if action does
3205		*/
3206	<	public void testThenAcceptAsyncE() {
3207	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3208	<	IncAction r = new IncAction();
3209	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3210	<	f.complete(one);
3211	<	checkCompletedNormally(g, null);
3212	<	assertEquals(r.value, (Integer) 2);
3213	<	}
3206	>	public void testExceptionallyCompose_actionFailed() {
3207	>	for (ExecutionMode m : ExecutionMode.values())
3208	>	for (boolean createIncomplete : new boolean[] { true, false })
3209	>	for (Integer v1 : new Integer[] { 1, null })
3210	>	{
3211	>	final CFException ex = new CFException();
3212	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3213	>	final FailingExceptionalCompletableFutureFunction r
3214	>	= new FailingExceptionalCompletableFutureFunction(m);
3215	>	if (!createIncomplete) f.completeExceptionally(ex);
3216	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3217	>	if (createIncomplete) f.completeExceptionally(ex);
3218
3219	<	/**
3220	<	* thenAcceptAsync result completes exceptionally after exceptional
3221	<	* completion of source
3222	<	*/
3102	<	public void testThenAcceptAsync2E() {
3103	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3104	<	IncAction r = new IncAction();
3105	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3106	<	f.completeExceptionally(new CFException());
3107	<	checkCompletedWithWrappedCFException(g);
3108	<	}
3219	>	checkCompletedExceptionally(f, ex);
3220	>	checkCompletedWithWrappedException(g, r.ex);
3221	>	r.assertInvoked();
3222	>	}}
3223
3110	–	/**
3111	–	* thenAcceptAsync result completes exceptionally if action does
3112	–	*/
3113	–	public void testThenAcceptAsync3E() {
3114	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3115	–	FailingConsumer r = new FailingConsumer();
3116	–	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3117	–	f.complete(null);
3118	–	checkCompletedWithWrappedCFException(g);
3119	–	}
3120	–
3121	–	/**
3122	–	* thenAcceptAsync result completes exceptionally if source cancelled
3123	–	*/
3124	–	public void testThenAcceptAsync4E() {
3125	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3126	–	IncAction r = new IncAction();
3127	–	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3128	–	assertTrue(f.cancel(true));
3129	–	checkCompletedWithWrappedCancellationException(g);
3130	–	}
3224
3225		// other static methods
3226
#	Line 3145 | Line 3238 | public class CompletableFutureTest exten
3238		* when all components complete normally
3239		*/
3240		public void testAllOf_normal() throws Exception {
3241	<	for (int k = 1; k < 20; ++k) {
3242	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3243	<	for (int i = 0; i < k; ++i)
3241	>	for (int k = 1; k < 10; k++) {
3242	>	CompletableFuture<Integer>[] fs
3243	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3244	>	for (int i = 0; i < k; i++)
3245	>	fs[i] = new CompletableFuture<>();
3246	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3247	>	for (int i = 0; i < k; i++) {
3248	>	checkIncomplete(f);
3249	>	checkIncomplete(CompletableFuture.allOf(fs));
3250	>	fs[i].complete(one);
3251	>	}
3252	>	checkCompletedNormally(f, null);
3253	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3254	>	}
3255	>	}
3256	>
3257	>	public void testAllOf_normal_backwards() throws Exception {
3258	>	for (int k = 1; k < 10; k++) {
3259	>	CompletableFuture<Integer>[] fs
3260	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3261	>	for (int i = 0; i < k; i++)
3262		fs[i] = new CompletableFuture<>();
3263		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3264	<	for (int i = 0; i < k; ++i) {
3264	>	for (int i = k - 1; i >= 0; i--) {
3265		checkIncomplete(f);
3266		checkIncomplete(CompletableFuture.allOf(fs));
3267		fs[i].complete(one);
#	Line 3160 | Line 3271 | public class CompletableFutureTest exten
3271		}
3272		}
3273
3274	+	public void testAllOf_exceptional() throws Exception {
3275	+	for (int k = 1; k < 10; k++) {
3276	+	CompletableFuture<Integer>[] fs
3277	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3278	+	CFException ex = new CFException();
3279	+	for (int i = 0; i < k; i++)
3280	+	fs[i] = new CompletableFuture<>();
3281	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3282	+	for (int i = 0; i < k; i++) {
3283	+	checkIncomplete(f);
3284	+	checkIncomplete(CompletableFuture.allOf(fs));
3285	+	if (i != k / 2) {
3286	+	fs[i].complete(i);
3287	+	checkCompletedNormally(fs[i], i);
3288	+	} else {
3289	+	fs[i].completeExceptionally(ex);
3290	+	checkCompletedExceptionally(fs[i], ex);
3291	+	}
3292	+	}
3293	+	checkCompletedWithWrappedException(f, ex);
3294	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3295	+	}
3296	+	}
3297	+
3298		/**
3299		* anyOf(no component futures) returns an incomplete future
3300		*/
3301		public void testAnyOf_empty() throws Exception {
3302	+	for (Integer v1 : new Integer[] { 1, null })
3303	+	{
3304		CompletableFuture<Object> f = CompletableFuture.anyOf();
3305		checkIncomplete(f);
3306	<	}
3306	>
3307	>	f.complete(v1);
3308	>	checkCompletedNormally(f, v1);
3309	>	}}
3310
3311		/**
3312		* anyOf returns a future completed normally with a value when
3313		* a component future does
3314		*/
3315		public void testAnyOf_normal() throws Exception {
3316	<	for (int k = 0; k < 10; ++k) {
3316	>	for (int k = 0; k < 10; k++) {
3317		CompletableFuture[] fs = new CompletableFuture[k];
3318	<	for (int i = 0; i < k; ++i)
3318	>	for (int i = 0; i < k; i++)
3319		fs[i] = new CompletableFuture<>();
3320		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3321		checkIncomplete(f);
3322	<	for (int i = 0; i < k; ++i) {
3323	<	fs[i].complete(one);
3324	<	checkCompletedNormally(f, one);
3325	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3322	>	for (int i = 0; i < k; i++) {
3323	>	fs[i].complete(i);
3324	>	checkCompletedNormally(f, 0);
3325	>	int x = (int) CompletableFuture.anyOf(fs).join();
3326	>	assertTrue(0 <= x && x <= i);
3327	>	}
3328	>	}
3329	>	}
3330	>	public void testAnyOf_normal_backwards() throws Exception {
3331	>	for (int k = 0; k < 10; k++) {
3332	>	CompletableFuture[] fs = new CompletableFuture[k];
3333	>	for (int i = 0; i < k; i++)
3334	>	fs[i] = new CompletableFuture<>();
3335	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3336	>	checkIncomplete(f);
3337	>	for (int i = k - 1; i >= 0; i--) {
3338	>	fs[i].complete(i);
3339	>	checkCompletedNormally(f, k - 1);
3340	>	int x = (int) CompletableFuture.anyOf(fs).join();
3341	>	assertTrue(i <= x && x <= k - 1);
3342		}
3343		}
3344		}
#	Line 3191 | Line 3347 | public class CompletableFutureTest exten
3347		* anyOf result completes exceptionally when any component does.
3348		*/
3349		public void testAnyOf_exceptional() throws Exception {
3350	<	for (int k = 0; k < 10; ++k) {
3350	>	for (int k = 0; k < 10; k++) {
3351	>	CompletableFuture[] fs = new CompletableFuture[k];
3352	>	CFException[] exs = new CFException[k];
3353	>	for (int i = 0; i < k; i++) {
3354	>	fs[i] = new CompletableFuture<>();
3355	>	exs[i] = new CFException();
3356	>	}
3357	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3358	>	checkIncomplete(f);
3359	>	for (int i = 0; i < k; i++) {
3360	>	fs[i].completeExceptionally(exs[i]);
3361	>	checkCompletedWithWrappedException(f, exs[0]);
3362	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3363	>	}
3364	>	}
3365	>	}
3366	>
3367	>	public void testAnyOf_exceptional_backwards() throws Exception {
3368	>	for (int k = 0; k < 10; k++) {
3369		CompletableFuture[] fs = new CompletableFuture[k];
3370	<	for (int i = 0; i < k; ++i)
3370	>	CFException[] exs = new CFException[k];
3371	>	for (int i = 0; i < k; i++) {
3372		fs[i] = new CompletableFuture<>();
3373	+	exs[i] = new CFException();
3374	+	}
3375		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3376		checkIncomplete(f);
3377	<	for (int i = 0; i < k; ++i) {
3378	<	fs[i].completeExceptionally(new CFException());
3379	<	checkCompletedWithWrappedCFException(f);
3377	>	for (int i = k - 1; i >= 0; i--) {
3378	>	fs[i].completeExceptionally(exs[i]);
3379	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3380		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3381		}
3382		}
#	Line 3208 | Line 3385 | public class CompletableFutureTest exten
3385		/**
3386		* Completion methods throw NullPointerException with null arguments
3387		*/
3388	+	@SuppressWarnings("FutureReturnValueIgnored")
3389		public void testNPE() {
3390		CompletableFuture<Integer> f = new CompletableFuture<>();
3391		CompletableFuture<Integer> g = new CompletableFuture<>();
3392		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3215	–	CompletableFuture<?> h;
3393		ThreadExecutor exec = new ThreadExecutor();
3394
3395		Runnable[] throwingActions = {
3396		() -> CompletableFuture.supplyAsync(null),
3397		() -> CompletableFuture.supplyAsync(null, exec),
3398	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3398	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3399
3400		() -> CompletableFuture.runAsync(null),
3401		() -> CompletableFuture.runAsync(null, exec),
#	Line 3228 | Line 3405 | public class CompletableFutureTest exten
3405
3406		() -> f.thenApply(null),
3407		() -> f.thenApplyAsync(null),
3408	<	() -> f.thenApplyAsync((x) -> x, null),
3408	>	() -> f.thenApplyAsync(x -> x, null),
3409		() -> f.thenApplyAsync(null, exec),
3410
3411		() -> f.thenAccept(null),
3412		() -> f.thenAcceptAsync(null),
3413	<	() -> f.thenAcceptAsync((x) -> {} , null),
3413	>	() -> f.thenAcceptAsync(x -> {} , null),
3414		() -> f.thenAcceptAsync(null, exec),
3415
3416		() -> f.thenRun(null),
#	Line 3268 | Line 3445 | public class CompletableFutureTest exten
3445		() -> f.applyToEither(g, null),
3446		() -> f.applyToEitherAsync(g, null),
3447		() -> f.applyToEitherAsync(g, null, exec),
3448	<	() -> f.applyToEither(nullFuture, (x) -> x),
3449	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3450	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3451	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3448	>	() -> f.applyToEither(nullFuture, x -> x),
3449	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3450	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3451	>	() -> f.applyToEitherAsync(g, x -> x, null),
3452
3453		() -> f.acceptEither(g, null),
3454		() -> f.acceptEitherAsync(g, null),
3455		() -> f.acceptEitherAsync(g, null, exec),
3456	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3457	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3458	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3459	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3456	>	() -> f.acceptEither(nullFuture, x -> {}),
3457	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3458	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3459	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3460
3461		() -> f.runAfterEither(g, null),
3462		() -> f.runAfterEitherAsync(g, null),
#	Line 3291 | Line 3468 | public class CompletableFutureTest exten
3468
3469		() -> f.thenCompose(null),
3470		() -> f.thenComposeAsync(null),
3471	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3471	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3472		() -> f.thenComposeAsync(null, exec),
3473
3474		() -> f.exceptionally(null),
#	Line 3309 | Line 3486 | public class CompletableFutureTest exten
3486		() -> CompletableFuture.anyOf(null, f),
3487
3488		() -> f.obtrudeException(null),
3489	+
3490	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3491	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3492	+	() -> CompletableFuture.delayedExecutor(1L, null),
3493	+
3494	+	() -> f.orTimeout(1L, null),
3495	+	() -> f.completeOnTimeout(42, 1L, null),
3496	+
3497	+	() -> CompletableFuture.failedFuture(null),
3498	+	() -> CompletableFuture.failedStage(null),
3499		};
3500
3501		assertThrows(NullPointerException.class, throwingActions);
#	Line 3316 | Line 3503 | public class CompletableFutureTest exten
3503		}
3504
3505		/**
3506	+	* Test submissions to an executor that rejects all tasks.
3507	+	*/
3508	+	public void testRejectingExecutor() {
3509	+	for (Integer v : new Integer[] { 1, null })
3510	+	{
3511	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3512	+
3513	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3514	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3515	+
3516	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3517	+
3518	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3519	+	srcs.add(complete);
3520	+	srcs.add(incomplete);
3521	+
3522	+	for (CompletableFuture<Integer> src : srcs) {
3523	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3524	+	fs.add(src.thenRunAsync(() -> {}, e));
3525	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3526	+	fs.add(src.thenApplyAsync(z -> z, e));
3527	+
3528	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3529	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3530	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3531	+
3532	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3533	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3534	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3535	+
3536	+	fs.add(src.thenComposeAsync(z -> null, e));
3537	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3538	+	fs.add(src.handleAsync((z, t) -> null, e));
3539	+
3540	+	for (CompletableFuture<?> future : fs) {
3541	+	if (src.isDone())
3542	+	checkCompletedWithWrappedException(future, e.ex);
3543	+	else
3544	+	checkIncomplete(future);
3545	+	}
3546	+	futures.addAll(fs);
3547	+	}
3548	+
3549	+	{
3550	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3551	+
3552	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3553	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3554	+
3555	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3556	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3557	+
3558	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3559	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3560	+
3561	+	for (CompletableFuture<?> future : fs)
3562	+	checkIncomplete(future);
3563	+	futures.addAll(fs);
3564	+	}
3565	+
3566	+	{
3567	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3568	+
3569	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3570	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3571	+
3572	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3573	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3574	+
3575	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3576	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3577	+
3578	+	for (CompletableFuture<?> future : fs)
3579	+	checkCompletedWithWrappedException(future, e.ex);
3580	+	futures.addAll(fs);
3581	+	}
3582	+
3583	+	incomplete.complete(v);
3584	+
3585	+	for (CompletableFuture<?> future : futures)
3586	+	checkCompletedWithWrappedException(future, e.ex);
3587	+
3588	+	assertEquals(futures.size(), e.count.get());
3589	+	}}
3590	+
3591	+	/**
3592	+	* Test submissions to an executor that rejects all tasks, but
3593	+	* should never be invoked because the dependent future is
3594	+	* explicitly completed.
3595	+	*/
3596	+	public void testRejectingExecutorNeverInvoked() {
3597	+	for (Integer v : new Integer[] { 1, null })
3598	+	{
3599	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3600	+
3601	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3602	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3603	+
3604	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3605	+
3606	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3607	+	srcs.add(complete);
3608	+	srcs.add(incomplete);
3609	+
3610	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3611	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3612	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3613	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3614	+
3615	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3616	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3617	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3618	+
3619	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3620	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3621	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3622	+
3623	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3624	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3625	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3626	+
3627	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3628	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3629	+
3630	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3631	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3632	+
3633	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3634	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3635	+
3636	+	for (CompletableFuture<?> future : fs)
3637	+	checkIncomplete(future);
3638	+
3639	+	for (CompletableFuture<?> future : fs)
3640	+	future.complete(null);
3641	+
3642	+	incomplete.complete(v);
3643	+
3644	+	for (CompletableFuture<?> future : fs)
3645	+	checkCompletedNormally(future, null);
3646	+
3647	+	assertEquals(0, e.count.get());
3648	+	}}
3649	+
3650	+	/**
3651		* toCompletableFuture returns this CompletableFuture.
3652		*/
3653		public void testToCompletableFuture() {
#	Line 3323 | Line 3655 | public class CompletableFutureTest exten
3655		assertSame(f, f.toCompletableFuture());
3656		}
3657
3658	+	// jdk9
3659	+
3660		/**
3661	<	* whenComplete action executes on normal completion, propagating
3662	<	* source result.
3661	>	* newIncompleteFuture returns an incomplete CompletableFuture
3662	>	*/
3663	>	public void testNewIncompleteFuture() {
3664	>	for (Integer v1 : new Integer[] { 1, null })
3665	>	{
3666	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3667	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3668	>	checkIncomplete(f);
3669	>	checkIncomplete(g);
3670	>	f.complete(v1);
3671	>	checkCompletedNormally(f, v1);
3672	>	checkIncomplete(g);
3673	>	g.complete(v1);
3674	>	checkCompletedNormally(g, v1);
3675	>	assertSame(g.getClass(), CompletableFuture.class);
3676	>	}}
3677	>
3678	>	/**
3679	>	* completedStage returns a completed CompletionStage
3680	>	*/
3681	>	public void testCompletedStage() {
3682	>	AtomicInteger x = new AtomicInteger(0);
3683	>	AtomicReference<Throwable> r = new AtomicReference<>();
3684	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3685	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3686	>	assertEquals(x.get(), 1);
3687	>	assertNull(r.get());
3688	>	}
3689	>
3690	>	/**
3691	>	* defaultExecutor by default returns the commonPool if
3692	>	* it supports more than one thread.
3693	>	*/
3694	>	public void testDefaultExecutor() {
3695	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3696	>	Executor e = f.defaultExecutor();
3697	>	Executor c = ForkJoinPool.commonPool();
3698	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3699	>	assertSame(e, c);
3700	>	else
3701	>	assertNotSame(e, c);
3702	>	}
3703	>
3704	>	/**
3705	>	* failedFuture returns a CompletableFuture completed
3706	>	* exceptionally with the given Exception
3707	>	*/
3708	>	public void testFailedFuture() {
3709	>	CFException ex = new CFException();
3710	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3711	>	checkCompletedExceptionally(f, ex);
3712	>	}
3713	>
3714	>	/**
3715	>	* failedFuture(null) throws NPE
3716	>	*/
3717	>	public void testFailedFuture_null() {
3718	>	try {
3719	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3720	>	shouldThrow();
3721	>	} catch (NullPointerException success) {}
3722	>	}
3723	>
3724	>	/**
3725	>	* copy returns a CompletableFuture that is completed normally,
3726	>	* with the same value, when source is.
3727		*/
3728	<	public void testWhenComplete_normalCompletion1() {
3728	>	public void testCopy_normalCompletion() {
3729		for (boolean createIncomplete : new boolean[] { true, false })
3730	<	for (ExecutionMode m : ExecutionMode.values())
3731	<	for (Integer v1 : new Integer[] { 1, null }) {
3730	>	for (Integer v1 : new Integer[] { 1, null })
3731	>	{
3732	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3733	>	if (!createIncomplete) assertTrue(f.complete(v1));
3734	>	CompletableFuture<Integer> g = f.copy();
3735	>	if (createIncomplete) {
3736	>	checkIncomplete(f);
3737	>	checkIncomplete(g);
3738	>	assertTrue(f.complete(v1));
3739	>	}
3740	>	checkCompletedNormally(f, v1);
3741	>	checkCompletedNormally(g, v1);
3742	>	}}
3743
3744	<	final AtomicInteger a = new AtomicInteger();
3745	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3746	<	if (!createIncomplete) f.complete(v1);
3747	<	final CompletableFuture<Integer> g =
3748	<	m.whenComplete(f,
3749	<	(Integer x, Throwable t) -> {
3750	<	threadAssertSame(x, v1);
3751	<	threadAssertNull(t);
3752	<	a.getAndIncrement();
3753	<	});
3754	<	if (createIncomplete) f.complete(v1);
3744	>	/**
3745	>	* copy returns a CompletableFuture that is completed exceptionally
3746	>	* when source is.
3747	>	*/
3748	>	public void testCopy_exceptionalCompletion() {
3749	>	for (boolean createIncomplete : new boolean[] { true, false })
3750	>	{
3751	>	CFException ex = new CFException();
3752	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3753	>	if (!createIncomplete) f.completeExceptionally(ex);
3754	>	CompletableFuture<Integer> g = f.copy();
3755	>	if (createIncomplete) {
3756	>	checkIncomplete(f);
3757	>	checkIncomplete(g);
3758	>	f.completeExceptionally(ex);
3759	>	}
3760	>	checkCompletedExceptionally(f, ex);
3761	>	checkCompletedWithWrappedException(g, ex);
3762	>	}}
3763	>
3764	>	/**
3765	>	* Completion of a copy does not complete its source.
3766	>	*/
3767	>	public void testCopy_oneWayPropagation() {
3768	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3769	>	assertTrue(f.copy().complete(1));
3770	>	assertTrue(f.copy().complete(null));
3771	>	assertTrue(f.copy().cancel(true));
3772	>	assertTrue(f.copy().cancel(false));
3773	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3774	>	checkIncomplete(f);
3775	>	}
3776	>
3777	>	/**
3778	>	* minimalCompletionStage returns a CompletableFuture that is
3779	>	* completed normally, with the same value, when source is.
3780	>	*/
3781	>	public void testMinimalCompletionStage() {
3782	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3783	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3784	>	AtomicInteger x = new AtomicInteger(0);
3785	>	AtomicReference<Throwable> r = new AtomicReference<>();
3786	>	checkIncomplete(f);
3787	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3788	>	f.complete(1);
3789	>	checkCompletedNormally(f, 1);
3790	>	assertEquals(x.get(), 1);
3791	>	assertNull(r.get());
3792	>	}
3793	>
3794	>	/**
3795	>	* minimalCompletionStage returns a CompletableFuture that is
3796	>	* completed exceptionally when source is.
3797	>	*/
3798	>	public void testMinimalCompletionStage2() {
3799	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3800	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3801	>	AtomicInteger x = new AtomicInteger(0);
3802	>	AtomicReference<Throwable> r = new AtomicReference<>();
3803	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3804	>	checkIncomplete(f);
3805	>	CFException ex = new CFException();
3806	>	f.completeExceptionally(ex);
3807	>	checkCompletedExceptionally(f, ex);
3808	>	assertEquals(x.get(), 0);
3809	>	assertEquals(r.get().getCause(), ex);
3810	>	}
3811	>
3812	>	/**
3813	>	* failedStage returns a CompletionStage completed
3814	>	* exceptionally with the given Exception
3815	>	*/
3816	>	public void testFailedStage() {
3817	>	CFException ex = new CFException();
3818	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3819	>	AtomicInteger x = new AtomicInteger(0);
3820	>	AtomicReference<Throwable> r = new AtomicReference<>();
3821	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3822	>	assertEquals(x.get(), 0);
3823	>	assertEquals(r.get(), ex);
3824	>	}
3825	>
3826	>	/**
3827	>	* completeAsync completes with value of given supplier
3828	>	*/
3829	>	public void testCompleteAsync() {
3830	>	for (Integer v1 : new Integer[] { 1, null })
3831	>	{
3832	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3833	>	f.completeAsync(() -> v1);
3834	>	f.join();
3835	>	checkCompletedNormally(f, v1);
3836	>	}}
3837	>
3838	>	/**
3839	>	* completeAsync completes exceptionally if given supplier throws
3840	>	*/
3841	>	public void testCompleteAsync2() {
3842	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3843	>	CFException ex = new CFException();
3844	>	f.completeAsync(() -> { throw ex; });
3845	>	try {
3846	>	f.join();
3847	>	shouldThrow();
3848	>	} catch (CompletionException success) {}
3849	>	checkCompletedWithWrappedException(f, ex);
3850	>	}
3851	>
3852	>	/**
3853	>	* completeAsync with given executor completes with value of given supplier
3854	>	*/
3855	>	public void testCompleteAsync3() {
3856	>	for (Integer v1 : new Integer[] { 1, null })
3857	>	{
3858	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3859	>	ThreadExecutor executor = new ThreadExecutor();
3860	>	f.completeAsync(() -> v1, executor);
3861	>	assertSame(v1, f.join());
3862	>	checkCompletedNormally(f, v1);
3863	>	assertEquals(1, executor.count.get());
3864	>	}}
3865	>
3866	>	/**
3867	>	* completeAsync with given executor completes exceptionally if
3868	>	* given supplier throws
3869	>	*/
3870	>	public void testCompleteAsync4() {
3871	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3872	>	CFException ex = new CFException();
3873	>	ThreadExecutor executor = new ThreadExecutor();
3874	>	f.completeAsync(() -> { throw ex; }, executor);
3875	>	try {
3876	>	f.join();
3877	>	shouldThrow();
3878	>	} catch (CompletionException success) {}
3879	>	checkCompletedWithWrappedException(f, ex);
3880	>	assertEquals(1, executor.count.get());
3881	>	}
3882	>
3883	>	/**
3884	>	* orTimeout completes with TimeoutException if not complete
3885	>	*/
3886	>	public void testOrTimeout_timesOut() {
3887	>	long timeoutMillis = timeoutMillis();
3888	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3889	>	long startTime = System.nanoTime();
3890	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3891	>	checkCompletedWithTimeoutException(f);
3892	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3893	>	}
3894	>
3895	>	/**
3896	>	* orTimeout completes normally if completed before timeout
3897	>	*/
3898	>	public void testOrTimeout_completed() {
3899	>	for (Integer v1 : new Integer[] { 1, null })
3900	>	{
3901	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3902	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3903	>	long startTime = System.nanoTime();
3904	>	f.complete(v1);
3905	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3906	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3907	>	g.complete(v1);
3908	>	checkCompletedNormally(f, v1);
3909	>	checkCompletedNormally(g, v1);
3910	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3911	>	}}
3912	>
3913	>	/**
3914	>	* completeOnTimeout completes with given value if not complete
3915	>	*/
3916	>	public void testCompleteOnTimeout_timesOut() {
3917	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3918	>	() -> testCompleteOnTimeout_timesOut(null));
3919	>	}
3920	>
3921	>	/**
3922	>	* completeOnTimeout completes with given value if not complete
3923	>	*/
3924	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3925	>	long timeoutMillis = timeoutMillis();
3926	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3927	>	long startTime = System.nanoTime();
3928	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3929	>	assertSame(v, f.join());
3930	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3931	>	f.complete(99);         // should have no effect
3932	>	checkCompletedNormally(f, v);
3933	>	}
3934	>
3935	>	/**
3936	>	* completeOnTimeout has no effect if completed within timeout
3937	>	*/
3938	>	public void testCompleteOnTimeout_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.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3946	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3947	>	g.complete(v1);
3948		checkCompletedNormally(f, v1);
3949		checkCompletedNormally(g, v1);
3950	<	assertEquals(a.get(), 1);
3950	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3951	>	}}
3952	>
3953	>	/**
3954	>	* delayedExecutor returns an executor that delays submission
3955	>	*/
3956	>	public void testDelayedExecutor() {
3957	>	testInParallel(() -> testDelayedExecutor(null, null),
3958	>	() -> testDelayedExecutor(null, 1),
3959	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3960	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3961	>	}
3962	>
3963	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3964	>	long timeoutMillis = timeoutMillis();
3965	>	// Use an "unreasonably long" long timeout to catch lingering threads
3966	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3967	>	final Executor delayer, longDelayer;
3968	>	if (executor == null) {
3969	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3970	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3971	>	} else {
3972	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3973	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3974	>	}
3975	>	long startTime = System.nanoTime();
3976	>	CompletableFuture<Integer> f =
3977	>	CompletableFuture.supplyAsync(() -> v, delayer);
3978	>	CompletableFuture<Integer> g =
3979	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3980	>
3981	>	assertNull(g.getNow(null));
3982	>
3983	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3984	>	long millisElapsed = millisElapsedSince(startTime);
3985	>	assertTrue(millisElapsed >= timeoutMillis);
3986	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3987	>
3988	>	checkCompletedNormally(f, v);
3989	>
3990	>	checkIncomplete(g);
3991	>	assertTrue(g.cancel(true));
3992	>	}
3993	>
3994	>	//--- tests of implementation details; not part of official tck ---
3995	>
3996	>	Object resultOf(CompletableFuture<?> f) {
3997	>	SecurityManager sm = System.getSecurityManager();
3998	>	if (sm != null) {
3999	>	try {
4000	>	System.setSecurityManager(null);
4001	>	} catch (SecurityException giveUp) {
4002	>	return "Reflection not available";
4003	>	}
4004	>	}
4005	>
4006	>	try {
4007	>	java.lang.reflect.Field resultField
4008	>	= CompletableFuture.class.getDeclaredField("result");
4009	>	resultField.setAccessible(true);
4010	>	return resultField.get(f);
4011	>	} catch (Throwable t) {
4012	>	throw new AssertionError(t);
4013	>	} finally {
4014	>	if (sm != null) System.setSecurityManager(sm);
4015	>	}
4016	>	}
4017	>
4018	>	public void testExceptionPropagationReusesResultObject() {
4019	>	if (!testImplementationDetails) return;
4020	>	for (ExecutionMode m : ExecutionMode.values())
4021	>	{
4022	>	final CFException ex = new CFException();
4023	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4024	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4025	>
4026	>	final Runnable noopRunnable = new Noop(m);
4027	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4028	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4029	>
4030	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4031	>	= new ArrayList<>();
4032	>
4033	>	funs.add(y -> m.thenRun(y, noopRunnable));
4034	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4035	>	funs.add(y -> m.thenApply(y, incFunction));
4036	>
4037	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4038	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4039	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4040	>
4041	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4042	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4043	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4044	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4045	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4046	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4047	>
4048	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4049	>
4050	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4051	>
4052	>	funs.add(y -> CompletableFuture.allOf(y));
4053	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4054	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4055	>	funs.add(y -> CompletableFuture.anyOf(y));
4056	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4057	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4058	>
4059	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4060	>	fun : funs) {
4061	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4062	>	f.completeExceptionally(ex);
4063	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4064	>	checkCompletedWithWrappedException(src, ex);
4065	>	CompletableFuture<?> dep = fun.apply(src);
4066	>	checkCompletedWithWrappedException(dep, ex);
4067	>	assertSame(resultOf(src), resultOf(dep));
4068	>	}
4069	>
4070	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4071	>	fun : funs) {
4072	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4073	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4074	>	CompletableFuture<?> dep = fun.apply(src);
4075	>	f.completeExceptionally(ex);
4076	>	checkCompletedWithWrappedException(src, ex);
4077	>	checkCompletedWithWrappedException(dep, ex);
4078	>	assertSame(resultOf(src), resultOf(dep));
4079	>	}
4080	>
4081	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4082	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4083	>	fun : funs) {
4084	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4085	>	f.cancel(mayInterruptIfRunning);
4086	>	checkCancelled(f);
4087	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4088	>	checkCompletedWithWrappedCancellationException(src);
4089	>	CompletableFuture<?> dep = fun.apply(src);
4090	>	checkCompletedWithWrappedCancellationException(dep);
4091	>	assertSame(resultOf(src), resultOf(dep));
4092	>	}
4093	>
4094	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4095	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4096	>	fun : funs) {
4097	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4098	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4099	>	CompletableFuture<?> dep = fun.apply(src);
4100	>	f.cancel(mayInterruptIfRunning);
4101	>	checkCancelled(f);
4102	>	checkCompletedWithWrappedCancellationException(src);
4103	>	checkCompletedWithWrappedCancellationException(dep);
4104	>	assertSame(resultOf(src), resultOf(dep));
4105	>	}
4106	>	}}
4107	>
4108	>	/**
4109	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4110	>	*/
4111	>	public void testMinimalCompletionStage_minimality() {
4112	>	if (!testImplementationDetails) return;
4113	>	Function<Method, String> toSignature =
4114	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4115	>	Predicate<Method> isNotStatic =
4116	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4117	>	List<Method> minimalMethods =
4118	>	Stream.of(Object.class, CompletionStage.class)
4119	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4120	>	.filter(isNotStatic)
4121	>	.collect(Collectors.toList());
4122	>	// Methods from CompletableFuture permitted NOT to throw UOE
4123	>	String[] signatureWhitelist = {
4124	>	"newIncompleteFuture[]",
4125	>	"defaultExecutor[]",
4126	>	"minimalCompletionStage[]",
4127	>	"copy[]",
4128	>	};
4129	>	Set<String> permittedMethodSignatures =
4130	>	Stream.concat(minimalMethods.stream().map(toSignature),
4131	>	Stream.of(signatureWhitelist))
4132	>	.collect(Collectors.toSet());
4133	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4134	>	.filter(isNotStatic)
4135	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4136	>	.collect(Collectors.toList());
4137	>
4138	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4139	>	CompletionStage<Integer> min =
4140	>	new CompletableFuture<Integer>().minimalCompletionStage();
4141	>	stages.add(min);
4142	>	stages.add(min.thenApply(x -> x));
4143	>	stages.add(CompletableFuture.completedStage(1));
4144	>	stages.add(CompletableFuture.failedStage(new CFException()));
4145	>
4146	>	List<Method> bugs = new ArrayList<>();
4147	>	for (Method method : allMethods) {
4148	>	Class<?>[] parameterTypes = method.getParameterTypes();
4149	>	Object[] args = new Object[parameterTypes.length];
4150	>	// Manufacture boxed primitives for primitive params
4151	>	for (int i = 0; i < args.length; i++) {
4152	>	Class<?> type = parameterTypes[i];
4153	>	if (parameterTypes[i] == boolean.class)
4154	>	args[i] = false;
4155	>	else if (parameterTypes[i] == int.class)
4156	>	args[i] = 0;
4157	>	else if (parameterTypes[i] == long.class)
4158	>	args[i] = 0L;
4159	>	}
4160	>	for (CompletionStage<Integer> stage : stages) {
4161	>	try {
4162	>	method.invoke(stage, args);
4163	>	bugs.add(method);
4164	>	}
4165	>	catch (java.lang.reflect.InvocationTargetException expected) {
4166	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4167	>	bugs.add(method);
4168	>	// expected.getCause().printStackTrace();
4169	>	}
4170	>	}
4171	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4172	>	}
4173		}
4174	+	if (!bugs.isEmpty())
4175	+	throw new Error("Methods did not throw UOE: " + bugs);
4176		}
4177
4178		/**
4179	<	* whenComplete action executes on exceptional completion, propagating
4180	<	* source result.
4179	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4180	>	* is completed normally, with the same value, when source is.
4181		*/
4182	<	public void testWhenComplete_exceptionalCompletion() {
4182	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4183		for (boolean createIncomplete : new boolean[] { true, false })
4184	<	for (ExecutionMode m : ExecutionMode.values())
4185	<	for (Integer v1 : new Integer[] { 1, null }) {
4184	>	for (Integer v1 : new Integer[] { 1, null })
4185	>	{
4186	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4187	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4188	>	if (!createIncomplete) assertTrue(f.complete(v1));
4189	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4190	>	if (createIncomplete) {
4191	>	checkIncomplete(f);
4192	>	checkIncomplete(g);
4193	>	assertTrue(f.complete(v1));
4194	>	}
4195	>	checkCompletedNormally(f, v1);
4196	>	checkCompletedNormally(g, v1);
4197	>	}}
4198
4199	<	final AtomicInteger a = new AtomicInteger();
4200	<	final CFException ex = new CFException();
4201	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4199	>	/**
4200	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4201	>	* is completed exceptionally when source is.
4202	>	*/
4203	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4204	>	for (boolean createIncomplete : new boolean[] { true, false })
4205	>	{
4206	>	CFException ex = new CFException();
4207	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4208	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4209		if (!createIncomplete) f.completeExceptionally(ex);
4210	<	final CompletableFuture<Integer> g = m.whenComplete
4211	<	(f,
4212	<	(Integer x, Throwable t) -> {
4213	<	threadAssertNull(x);
4214	<	threadAssertSame(t, ex);
3370	<	a.getAndIncrement();
3371	<	});
3372	<	if (createIncomplete) f.completeExceptionally(ex);
3373	<	checkCompletedWithWrappedCFException(f, ex);
3374	<	checkCompletedWithWrappedCFException(g, ex);
3375	<	assertEquals(a.get(), 1);
4210	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4211	>	if (createIncomplete) {
4212	>	checkIncomplete(f);
4213	>	checkIncomplete(g);
4214	>	f.completeExceptionally(ex);
4215		}
4216	<	}
4216	>	checkCompletedExceptionally(f, ex);
4217	>	checkCompletedWithWrappedException(g, ex);
4218	>	}}
4219
4220		/**
4221	<	* If a whenComplete action throws an exception when triggered by
4222	<	* a normal completion, it completes exceptionally
4221	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4222	>	*/
4223	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4224	>	for (Integer v1 : new Integer[] { 1, null })
4225	>	{
4226	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4227	>	CompletionStage minimal = f.minimalCompletionStage();
4228	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4229	>	assertTrue(g.complete(v1));
4230	>	checkCompletedNormally(g, v1);
4231	>	checkIncomplete(f);
4232	>	checkIncomplete(minimal.toCompletableFuture());
4233	>	}}
4234	>
4235	>	/**
4236	>	* minimalStage.toCompletableFuture().join() awaits completion
4237		*/
4238	<	public void testWhenComplete_actionFailed() {
4238	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4239		for (boolean createIncomplete : new boolean[] { true, false })
4240	<	for (ExecutionMode m : ExecutionMode.values())
4241	<	for (Integer v1 : new Integer[] { 1, null }) {
4240	>	for (Integer v1 : new Integer[] { 1, null })
4241	>	{
4242	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4243	>	if (!createIncomplete) assertTrue(f.complete(v1));
4244	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4245	>	if (createIncomplete) assertTrue(f.complete(v1));
4246	>	assertEquals(v1, minimal.toCompletableFuture().join());
4247	>	assertEquals(v1, minimal.toCompletableFuture().get());
4248	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4249	>	}}
4250	>
4251	>	/**
4252	>	* Completion of a toCompletableFuture copy of a minimal stage
4253	>	* does not complete its source.
4254	>	*/
4255	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4256	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4257	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4258	>	assertTrue(g.toCompletableFuture().complete(1));
4259	>	assertTrue(g.toCompletableFuture().complete(null));
4260	>	assertTrue(g.toCompletableFuture().cancel(true));
4261	>	assertTrue(g.toCompletableFuture().cancel(false));
4262	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4263	>	checkIncomplete(g.toCompletableFuture());
4264	>	f.complete(1);
4265	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4266	>	}
4267
4268	<	final CFException ex = new CFException();
4269	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4270	<	if (!createIncomplete) f.complete(v1);
4271	<	final CompletableFuture<Integer> g = m.whenComplete
4272	<	(f,
4273	<	(Integer x, Throwable t) -> {
4274	<	threadAssertSame(x, v1);
4275	<	threadAssertNull(t);
4276	<	throw ex;
4277	<	});
4278	<	if (createIncomplete) f.complete(v1);
4268	>	/** Demo utility method for external reliable toCompletableFuture */
4269	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4270	>	CompletableFuture<T> f = new CompletableFuture<>();
4271	>	stage.handle((T t, Throwable ex) -> {
4272	>	if (ex != null) f.completeExceptionally(ex);
4273	>	else f.complete(t);
4274	>	return null;
4275	>	});
4276	>	return f;
4277	>	}
4278	>
4279	>	/** Demo utility method to join a CompletionStage */
4280	>	static <T> T join(CompletionStage<T> stage) {
4281	>	return toCompletableFuture(stage).join();
4282	>	}
4283	>
4284	>	/**
4285	>	* Joining a minimal stage "by hand" works
4286	>	*/
4287	>	public void testMinimalCompletionStage_join_by_hand() {
4288	>	for (boolean createIncomplete : new boolean[] { true, false })
4289	>	for (Integer v1 : new Integer[] { 1, null })
4290	>	{
4291	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4292	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4293	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4294	>	if (!createIncomplete) assertTrue(f.complete(v1));
4295	>	minimal.thenAccept(x -> g.complete(x));
4296	>	if (createIncomplete) assertTrue(f.complete(v1));
4297	>	g.join();
4298	>	checkCompletedNormally(g, v1);
4299		checkCompletedNormally(f, v1);
4300	<	checkCompletedWithWrappedCFException(g, ex);
4300	>	assertEquals(v1, join(minimal));
4301	>	}}
4302	>
4303	>	static class Monad {
4304	>	static class ZeroException extends RuntimeException {
4305	>	public ZeroException() { super("monadic zero"); }
4306	>	}
4307	>	// "return", "unit"
4308	>	static <T> CompletableFuture<T> unit(T value) {
4309	>	return completedFuture(value);
4310	>	}
4311	>	// monadic zero ?
4312	>	static <T> CompletableFuture<T> zero() {
4313	>	return failedFuture(new ZeroException());
4314	>	}
4315	>	// >=>
4316	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4317	>	(Function<T, CompletableFuture<U>> f,
4318	>	Function<U, CompletableFuture<V>> g) {
4319	>	return x -> f.apply(x).thenCompose(g);
4320	>	}
4321	>
4322	>	static void assertZero(CompletableFuture<?> f) {
4323	>	try {
4324	>	f.getNow(null);
4325	>	throw new AssertionError("should throw");
4326	>	} catch (CompletionException success) {
4327	>	assertTrue(success.getCause() instanceof ZeroException);
4328	>	}
4329		}
4330	+
4331	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4332	+	CompletableFuture<T> g) {
4333	+	T fval = null, gval = null;
4334	+	Throwable fex = null, gex = null;
4335	+
4336	+	try { fval = f.get(); }
4337	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4338	+	catch (Throwable ex) { fex = ex; }
4339	+
4340	+	try { gval = g.get(); }
4341	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4342	+	catch (Throwable ex) { gex = ex; }
4343	+
4344	+	if (fex != null || gex != null)
4345	+	assertSame(fex.getClass(), gex.getClass());
4346	+	else
4347	+	assertEquals(fval, gval);
4348	+	}
4349	+
4350	+	static class PlusFuture<T> extends CompletableFuture<T> {
4351	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4352	+	}
4353	+
4354	+	/** Implements "monadic plus". */
4355	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4356	+	CompletableFuture<? extends T> g) {
4357	+	PlusFuture<T> plus = new PlusFuture<T>();
4358	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4359	+	try {
4360	+	if (ex == null) {
4361	+	if (plus.complete(result))
4362	+	if (plus.firstFailure.get() != null)
4363	+	plus.firstFailure.set(null);
4364	+	}
4365	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4366	+	if (plus.isDone())
4367	+	plus.firstFailure.set(null);
4368	+	}
4369	+	else {
4370	+	// first failure has precedence
4371	+	Throwable first = plus.firstFailure.getAndSet(null);
4372	+
4373	+	// may fail with "Self-suppression not permitted"
4374	+	try { first.addSuppressed(ex); }
4375	+	catch (Exception ignored) {}
4376	+
4377	+	plus.completeExceptionally(first);
4378	+	}
4379	+	} catch (Throwable unexpected) {
4380	+	plus.completeExceptionally(unexpected);
4381	+	}
4382	+	};
4383	+	f.whenComplete(action);
4384	+	g.whenComplete(action);
4385	+	return plus;
4386	+	}
4387	+	}
4388	+
4389	+	/**
4390	+	* CompletableFuture is an additive monad - sort of.
4391	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4392	+	*/
4393	+	public void testAdditiveMonad() throws Throwable {
4394	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4395	+	CompletableFuture<Long> zero = Monad.zero();
4396	+
4397	+	// Some mutually non-commutative functions
4398	+	Function<Long, CompletableFuture<Long>> triple
4399	+	= x -> Monad.unit(3 * x);
4400	+	Function<Long, CompletableFuture<Long>> inc
4401	+	= x -> Monad.unit(x + 1);
4402	+
4403	+	// unit is a right identity: m >>= unit === m
4404	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4405	+	inc.apply(5L));
4406	+	// unit is a left identity: (unit x) >>= f === f x
4407	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4408	+	inc.apply(5L));
4409	+
4410	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4411	+	Monad.assertFutureEquals(
4412	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4413	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4414	+
4415	+	// The case for CompletableFuture as an additive monad is weaker...
4416	+
4417	+	// zero is a monadic zero
4418	+	Monad.assertZero(zero);
4419	+
4420	+	// left zero: zero >>= f === zero
4421	+	Monad.assertZero(zero.thenCompose(inc));
4422	+	// right zero: f >>= (\x -> zero) === zero
4423	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4424	+
4425	+	// f plus zero === f
4426	+	Monad.assertFutureEquals(Monad.unit(5L),
4427	+	Monad.plus(Monad.unit(5L), zero));
4428	+	// zero plus f === f
4429	+	Monad.assertFutureEquals(Monad.unit(5L),
4430	+	Monad.plus(zero, Monad.unit(5L)));
4431	+	// zero plus zero === zero
4432	+	Monad.assertZero(Monad.plus(zero, zero));
4433	+	{
4434	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4435	+	Monad.unit(8L));
4436	+	// non-determinism
4437	+	assertTrue(f.get() == 5L || f.get() == 8L);
4438	+	}
4439	+
4440	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4441	+	// f plus godot === f (doesn't wait for godot)
4442	+	Monad.assertFutureEquals(Monad.unit(5L),
4443	+	Monad.plus(Monad.unit(5L), godot));
4444	+	// godot plus f === f (doesn't wait for godot)
4445	+	Monad.assertFutureEquals(Monad.unit(5L),
4446	+	Monad.plus(godot, Monad.unit(5L)));
4447	+	}
4448	+
4449	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4450	+	@SuppressWarnings("FutureReturnValueIgnored")
4451	+	public void testRecursiveChains() throws Throwable {
4452	+	for (ExecutionMode m : ExecutionMode.values())
4453	+	for (boolean addDeadEnds : new boolean[] { true, false })
4454	+	{
4455	+	final int val = 42;
4456	+	final int n = expensiveTests ? 1_000 : 2;
4457	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4458	+	CompletableFuture<Integer> tail = head;
4459	+	for (int i = 0; i < n; i++) {
4460	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4461	+	tail = m.thenApply(tail, v -> v + 1);
4462	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4463	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4464	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4465	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4466	+	}
4467	+	head.complete(val);
4468	+	assertEquals(val + 3 * n, (int) tail.join());
4469	+	}}
4470	+
4471	+	/**
4472	+	* A single CompletableFuture with many dependents.
4473	+	* A demo of scalability - runtime is O(n).
4474	+	*/
4475	+	@SuppressWarnings("FutureReturnValueIgnored")
4476	+	public void testManyDependents() throws Throwable {
4477	+	final int n = expensiveTests ? 1_000_000 : 10;
4478	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4479	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4480	+	final AtomicInteger count = new AtomicInteger(0);
4481	+	for (int i = 0; i < n; i++) {
4482	+	head.thenRun(() -> count.getAndIncrement());
4483	+	head.thenAccept(x -> count.getAndIncrement());
4484	+	head.thenApply(x -> count.getAndIncrement());
4485	+
4486	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4487	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4488	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4489	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4490	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4491	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4492	+
4493	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4494	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4495	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4496	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4497	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4498	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4499	+	}
4500	+	head.complete(null);
4501	+	assertEquals(5 * 3 * n, count.get());
4502	+	}
4503	+
4504	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4505	+	@SuppressWarnings("FutureReturnValueIgnored")
4506	+	public void testCoCompletionGarbageRetention() throws Throwable {
4507	+	final int n = expensiveTests ? 1_000_000 : 10;
4508	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4509	+	CompletableFuture<Integer> f;
4510	+	for (int i = 0; i < n; i++) {
4511	+	f = new CompletableFuture<>();
4512	+	f.runAfterEither(incomplete, () -> {});
4513	+	f.complete(null);
4514	+
4515	+	f = new CompletableFuture<>();
4516	+	f.acceptEither(incomplete, x -> {});
4517	+	f.complete(null);
4518	+
4519	+	f = new CompletableFuture<>();
4520	+	f.applyToEither(incomplete, x -> x);
4521	+	f.complete(null);
4522	+
4523	+	f = new CompletableFuture<>();
4524	+	CompletableFuture.anyOf(f, incomplete);
4525	+	f.complete(null);
4526	+	}
4527	+
4528	+	for (int i = 0; i < n; i++) {
4529	+	f = new CompletableFuture<>();
4530	+	incomplete.runAfterEither(f, () -> {});
4531	+	f.complete(null);
4532	+
4533	+	f = new CompletableFuture<>();
4534	+	incomplete.acceptEither(f, x -> {});
4535	+	f.complete(null);
4536	+
4537	+	f = new CompletableFuture<>();
4538	+	incomplete.applyToEither(f, x -> x);
4539	+	f.complete(null);
4540	+
4541	+	f = new CompletableFuture<>();
4542	+	CompletableFuture.anyOf(incomplete, f);
4543	+	f.complete(null);
4544	+	}
4545	+	}
4546	+
4547	+	/**
4548	+	* Reproduction recipe for:
4549	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4550	+	* 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
4551	+	*/
4552	+	public void testAnyOfGarbageRetention() throws Throwable {
4553	+	for (Integer v : new Integer[] { 1, null })
4554	+	{
4555	+	final int n = expensiveTests ? 100_000 : 10;
4556	+	CompletableFuture<Integer>[] fs
4557	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4558	+	for (int i = 0; i < fs.length; i++)
4559	+	fs[i] = new CompletableFuture<>();
4560	+	fs[fs.length - 1].complete(v);
4561	+	for (int i = 0; i < n; i++)
4562	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4563	+	}}
4564	+
4565	+	/**
4566	+	* Checks for garbage retention with allOf.
4567	+	*
4568	+	* As of 2016-07, fails with OOME:
4569	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4570	+	*/
4571	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4572	+	final int n = expensiveTests ? 100_000 : 10;
4573	+	CompletableFuture<Integer>[] fs
4574	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4575	+	for (int i = 0; i < fs.length; i++)
4576	+	fs[i] = new CompletableFuture<>();
4577	+	for (int i = 0; i < n; i++)
4578	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4579	+	}
4580	+
4581	+	/**
4582	+	* Checks for garbage retention when a dependent future is
4583	+	* cancelled and garbage-collected.
4584	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4585	+	*
4586	+	* As of 2016-07, fails with OOME:
4587	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4588	+	*/
4589	+	public void testCancelledGarbageRetention() throws Throwable {
4590	+	final int n = expensiveTests ? 100_000 : 10;
4591	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4592	+	for (int i = 0; i < n; i++)
4593	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4594	+	}
4595	+
4596	+	/**
4597	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4598	+	* is invoked many times.
4599	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4600	+	*
4601	+	* As of 2016-07, fails with OOME:
4602	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4603	+	*/
4604	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4605	+	final int n = expensiveTests ? 900_000 : 10;
4606	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4607	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4608	+	for (int i = 0; i < n; i++)
4609	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4610	+	}
4611	+
4612	+	//     static <U> U join(CompletionStage<U> stage) {
4613	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4614	+	//         stage.whenComplete((v, ex) -> {
4615	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4616	+	//         });
4617	+	//         return f.join();
4618	+	//     }
4619	+
4620	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4621	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4622	+	//         stage.whenComplete((v, ex) -> {
4623	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4624	+	//         });
4625	+	//         return f.isDone();
4626	+	//     }
4627	+
4628	+	//     static <U> U join2(CompletionStage<U> stage) {
4629	+	//         return stage.toCompletableFuture().copy().join();
4630	+	//     }
4631	+
4632	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4633	+	//         return stage.toCompletableFuture().copy().isDone();
4634	+	//     }
4635	+
4636	+	// For testing default implementations
4637	+	// Only non-default interface methods defined.
4638	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4639	+	final CompletableFuture<T> cf;
4640	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4641	+	public CompletableFuture<T> toCompletableFuture() {
4642	+	return cf; }
4643	+	public CompletionStage<Void> thenRun
4644	+	(Runnable action) {
4645	+	return cf.thenRun(action); }
4646	+	public CompletionStage<Void> thenRunAsync
4647	+	(Runnable action) {
4648	+	return cf.thenRunAsync(action); }
4649	+	public CompletionStage<Void> thenRunAsync
4650	+	(Runnable action,
4651	+	Executor executor) {
4652	+	return cf.thenRunAsync(action, executor); }
4653	+	public CompletionStage<Void> thenAccept
4654	+	(Consumer<? super T> action) {
4655	+	return cf.thenAccept(action); }
4656	+	public CompletionStage<Void> thenAcceptAsync
4657	+	(Consumer<? super T> action) {
4658	+	return cf.thenAcceptAsync(action); }
4659	+	public CompletionStage<Void> thenAcceptAsync
4660	+	(Consumer<? super T> action,
4661	+	Executor executor) {
4662	+	return cf.thenAcceptAsync(action, executor); }
4663	+	public <U> CompletionStage<U> thenApply
4664	+	(Function<? super T,? extends U> a) {
4665	+	return cf.thenApply(a); }
4666	+	public <U> CompletionStage<U> thenApplyAsync
4667	+	(Function<? super T,? extends U> fn) {
4668	+	return cf.thenApplyAsync(fn); }
4669	+	public <U> CompletionStage<U> thenApplyAsync
4670	+	(Function<? super T,? extends U> fn,
4671	+	Executor executor) {
4672	+	return cf.thenApplyAsync(fn, executor); }
4673	+	public <U,V> CompletionStage<V> thenCombine
4674	+	(CompletionStage<? extends U> other,
4675	+	BiFunction<? super T,? super U,? extends V> fn) {
4676	+	return cf.thenCombine(other, fn); }
4677	+	public <U,V> CompletionStage<V> thenCombineAsync
4678	+	(CompletionStage<? extends U> other,
4679	+	BiFunction<? super T,? super U,? extends V> fn) {
4680	+	return cf.thenCombineAsync(other, fn); }
4681	+	public <U,V> CompletionStage<V> thenCombineAsync
4682	+	(CompletionStage<? extends U> other,
4683	+	BiFunction<? super T,? super U,? extends V> fn,
4684	+	Executor executor) {
4685	+	return cf.thenCombineAsync(other, fn, executor); }
4686	+	public <U> CompletionStage<Void> thenAcceptBoth
4687	+	(CompletionStage<? extends U> other,
4688	+	BiConsumer<? super T, ? super U> action) {
4689	+	return cf.thenAcceptBoth(other, action); }
4690	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4691	+	(CompletionStage<? extends U> other,
4692	+	BiConsumer<? super T, ? super U> action) {
4693	+	return cf.thenAcceptBothAsync(other, action); }
4694	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4695	+	(CompletionStage<? extends U> other,
4696	+	BiConsumer<? super T, ? super U> action,
4697	+	Executor executor) {
4698	+	return cf.thenAcceptBothAsync(other, action, executor); }
4699	+	public CompletionStage<Void> runAfterBoth
4700	+	(CompletionStage<?> other,
4701	+	Runnable action) {
4702	+	return cf.runAfterBoth(other, action); }
4703	+	public CompletionStage<Void> runAfterBothAsync
4704	+	(CompletionStage<?> other,
4705	+	Runnable action) {
4706	+	return cf.runAfterBothAsync(other, action); }
4707	+	public CompletionStage<Void> runAfterBothAsync
4708	+	(CompletionStage<?> other,
4709	+	Runnable action,
4710	+	Executor executor) {
4711	+	return cf.runAfterBothAsync(other, action, executor); }
4712	+	public <U> CompletionStage<U> applyToEither
4713	+	(CompletionStage<? extends T> other,
4714	+	Function<? super T, U> fn) {
4715	+	return cf.applyToEither(other, fn); }
4716	+	public <U> CompletionStage<U> applyToEitherAsync
4717	+	(CompletionStage<? extends T> other,
4718	+	Function<? super T, U> fn) {
4719	+	return cf.applyToEitherAsync(other, fn); }
4720	+	public <U> CompletionStage<U> applyToEitherAsync
4721	+	(CompletionStage<? extends T> other,
4722	+	Function<? super T, U> fn,
4723	+	Executor executor) {
4724	+	return cf.applyToEitherAsync(other, fn, executor); }
4725	+	public CompletionStage<Void> acceptEither
4726	+	(CompletionStage<? extends T> other,
4727	+	Consumer<? super T> action) {
4728	+	return cf.acceptEither(other, action); }
4729	+	public CompletionStage<Void> acceptEitherAsync
4730	+	(CompletionStage<? extends T> other,
4731	+	Consumer<? super T> action) {
4732	+	return cf.acceptEitherAsync(other, action); }
4733	+	public CompletionStage<Void> acceptEitherAsync
4734	+	(CompletionStage<? extends T> other,
4735	+	Consumer<? super T> action,
4736	+	Executor executor) {
4737	+	return cf.acceptEitherAsync(other, action, executor); }
4738	+	public CompletionStage<Void> runAfterEither
4739	+	(CompletionStage<?> other,
4740	+	Runnable action) {
4741	+	return cf.runAfterEither(other, action); }
4742	+	public CompletionStage<Void> runAfterEitherAsync
4743	+	(CompletionStage<?> other,
4744	+	Runnable action) {
4745	+	return cf.runAfterEitherAsync(other, action); }
4746	+	public CompletionStage<Void> runAfterEitherAsync
4747	+	(CompletionStage<?> other,
4748	+	Runnable action,
4749	+	Executor executor) {
4750	+	return cf.runAfterEitherAsync(other, action, executor); }
4751	+	public <U> CompletionStage<U> thenCompose
4752	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4753	+	return cf.thenCompose(fn); }
4754	+	public <U> CompletionStage<U> thenComposeAsync
4755	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4756	+	return cf.thenComposeAsync(fn); }
4757	+	public <U> CompletionStage<U> thenComposeAsync
4758	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4759	+	Executor executor) {
4760	+	return cf.thenComposeAsync(fn, executor); }
4761	+	public <U> CompletionStage<U> handle
4762	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4763	+	return cf.handle(fn); }
4764	+	public <U> CompletionStage<U> handleAsync
4765	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4766	+	return cf.handleAsync(fn); }
4767	+	public <U> CompletionStage<U> handleAsync
4768	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4769	+	Executor executor) {
4770	+	return cf.handleAsync(fn, executor); }
4771	+	public CompletionStage<T> whenComplete
4772	+	(BiConsumer<? super T, ? super Throwable> action) {
4773	+	return cf.whenComplete(action); }
4774	+	public CompletionStage<T> whenCompleteAsync
4775	+	(BiConsumer<? super T, ? super Throwable> action) {
4776	+	return cf.whenCompleteAsync(action); }
4777	+	public CompletionStage<T> whenCompleteAsync
4778	+	(BiConsumer<? super T, ? super Throwable> action,
4779	+	Executor executor) {
4780	+	return cf.whenCompleteAsync(action, executor); }
4781	+	public CompletionStage<T> exceptionally
4782	+	(Function<Throwable, ? extends T> fn) {
4783	+	return cf.exceptionally(fn); }
4784		}
4785
4786		/**
4787	<	* If a whenComplete action throws an exception when triggered by
4788	<	* a source completion that also throws an exception, the source
3407	<	* exception takes precedence.
4787	>	* default-implemented exceptionallyAsync action completes with
4788	>	* function value on source exception
4789		*/
4790	<	public void testWhenComplete_actionFailedSourceFailed() {
4790	>	public void testDefaulExceptionallyAsync_exceptionalCompletion() {
4791		for (boolean createIncomplete : new boolean[] { true, false })
4792	<	for (ExecutionMode m : ExecutionMode.values())
4793	<	for (Integer v1 : new Integer[] { 1, null }) {
4792	>	for (Integer v1 : new Integer[] { 1, null })
4793	>	{
4794	>	final AtomicInteger a = new AtomicInteger(0);
4795	>	final CFException ex = new CFException();
4796	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4797	>	final DelegatedCompletionStage<Integer> d =
4798	>	new DelegatedCompletionStage<Integer>(f);
4799	>	if (!createIncomplete) f.completeExceptionally(ex);
4800	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4801	>	((Throwable t) -> {
4802	>	threadAssertSame(t, ex);
4803	>	a.getAndIncrement();
4804	>	return v1;
4805	>	});
4806	>	if (createIncomplete) f.completeExceptionally(ex);
4807
4808	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4809	+	assertEquals(1, a.get());
4810	+	}}
4811	+
4812	+	/**
4813	+	* Under default implementation, if an "exceptionally action"
4814	+	* throws an exception, it completes exceptionally with that
4815	+	* exception
4816	+	*/
4817	+	public void testDefaulExceptionallyAsync_exceptionalCompletionActionFailed() {
4818	+	for (boolean createIncomplete : new boolean[] { true, false })
4819	+	{
4820	+	final AtomicInteger a = new AtomicInteger(0);
4821		final CFException ex1 = new CFException();
4822		final CFException ex2 = new CFException();
4823		final CompletableFuture<Integer> f = new CompletableFuture<>();
4824	<
4824	>	final DelegatedCompletionStage<Integer> d =
4825	>	new DelegatedCompletionStage<Integer>(f);
4826		if (!createIncomplete) f.completeExceptionally(ex1);
4827	<	final CompletableFuture<Integer> g = m.whenComplete
4828	<	(f,
3421	<	(Integer x, Throwable t) -> {
4827	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4828	>	((Throwable t) -> {
4829		threadAssertSame(t, ex1);
4830	<	threadAssertNull(x);
4830	>	a.getAndIncrement();
4831		throw ex2;
4832		});
4833		if (createIncomplete) f.completeExceptionally(ex1);
4834
4835	<	checkCompletedWithWrappedCFException(f, ex1);
4836	<	checkCompletedWithWrappedCFException(g, ex1);
4837	<	}
4838	<	}
4835	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4836	>	checkCompletedExceptionally(f, ex1);
4837	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4838	>	assertEquals(1, a.get());
4839	>	}}
4840
4841		/**
4842	<	* handleAsync action completes normally with function value on
4843	<	* either normal or exceptional completion of source
4842	>	* defult exceptionallyCompose result completes normally after normal
4843	>	* completion of source
4844		*/
4845	<	public void testHandleAsync() {
4846	<	CompletableFuture<Integer> f, g;
4847	<	IntegerHandler r;
4845	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4846	>	for (boolean createIncomplete : new boolean[] { true, false })
4847	>	for (Integer v1 : new Integer[] { 1, null })
4848	>	{
4849	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4850	>	final ExceptionalCompletableFutureFunction r =
4851	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4852	>	final DelegatedCompletionStage<Integer> d =
4853	>	new DelegatedCompletionStage<Integer>(f);
4854	>	if (!createIncomplete) assertTrue(f.complete(v1));
4855	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4856	>	if (createIncomplete) assertTrue(f.complete(v1));
4857
4858	<	f = new CompletableFuture<>();
4859	<	g = f.handleAsync(r = new IntegerHandler());
4860	<	assertEquals(0, r.invocationCount);
4861	<	f.completeExceptionally(new CFException());
3445	<	checkCompletedWithWrappedCFException(f);
3446	<	checkCompletedNormally(g, three);
3447	<	assertEquals(1, r.invocationCount);
4858	>	checkCompletedNormally(f, v1);
4859	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4860	>	r.assertNotInvoked();
4861	>	}}
4862
4863	<	f = new CompletableFuture<>();
4864	<	g = f.handleAsync(r = new IntegerHandler());
4865	<	assertEquals(0, r.invocationCount);
4866	<	f.completeExceptionally(new CFException());
4867	<	checkCompletedWithWrappedCFException(f);
4868	<	checkCompletedNormally(g, three);
4869	<	assertEquals(1, r.invocationCount);
4863	>	/**
4864	>	* default-implemented exceptionallyCompose result completes
4865	>	* normally after exceptional completion of source
4866	>	*/
4867	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4868	>	for (boolean createIncomplete : new boolean[] { true, false })
4869	>	{
4870	>	final CFException ex = new CFException();
4871	>	final ExceptionalCompletableFutureFunction r =
4872	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4873	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4874	>	final DelegatedCompletionStage<Integer> d =
4875	>	new DelegatedCompletionStage<Integer>(f);
4876	>	if (!createIncomplete) f.completeExceptionally(ex);
4877	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4878	>	if (createIncomplete) f.completeExceptionally(ex);
4879
4880	<	f = new CompletableFuture<>();
4881	<	g = f.handleAsync(r = new IntegerHandler());
4882	<	assertEquals(0, r.invocationCount);
4883	<	f.complete(one);
3461	<	checkCompletedNormally(f, one);
3462	<	checkCompletedNormally(g, two);
3463	<	assertEquals(1, r.invocationCount);
4880	>	checkCompletedExceptionally(f, ex);
4881	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4882	>	r.assertInvoked();
4883	>	}}
4884
4885	<	f = new CompletableFuture<>();
4886	<	g = f.handleAsync(r = new IntegerHandler());
4887	<	assertEquals(0, r.invocationCount);
4888	<	f.complete(one);
4889	<	checkCompletedNormally(f, one);
4890	<	checkCompletedNormally(g, two);
4891	<	assertEquals(1, r.invocationCount);
4892	<	}
4885	>	/**
4886	>	* default-implemented exceptionallyCompose completes
4887	>	* exceptionally on exception if action does
4888	>	*/
4889	>	public void testDefaultExceptionallyCompose_actionFailed() {
4890	>	for (boolean createIncomplete : new boolean[] { true, false })
4891	>	for (Integer v1 : new Integer[] { 1, null })
4892	>	{
4893	>	final CFException ex = new CFException();
4894	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4895	>	final FailingExceptionalCompletableFutureFunction r
4896	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4897	>	final DelegatedCompletionStage<Integer> d =
4898	>	new DelegatedCompletionStage<Integer>(f);
4899	>	if (!createIncomplete) f.completeExceptionally(ex);
4900	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4901	>	if (createIncomplete) f.completeExceptionally(ex);
4902	>
4903	>	checkCompletedExceptionally(f, ex);
4904	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4905	>	r.assertInvoked();
4906	>	}}
4907
4908		/**
4909	<	* handleAsync action with Executor completes normally with
4910	<	* function value on either normal or exceptional completion of
3477	<	* source
4909	>	* defult exceptionallyComposeAsync result completes normally after normal
4910	>	* completion of source
4911		*/
4912	<	public void testHandleAsync2() {
4913	<	CompletableFuture<Integer> f, g;
4914	<	ThreadExecutor exec = new ThreadExecutor();
4915	<	IntegerHandler r;
4912	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4913	>	for (boolean createIncomplete : new boolean[] { true, false })
4914	>	for (Integer v1 : new Integer[] { 1, null })
4915	>	{
4916	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4917	>	final ExceptionalCompletableFutureFunction r =
4918	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4919	>	final DelegatedCompletionStage<Integer> d =
4920	>	new DelegatedCompletionStage<Integer>(f);
4921	>	if (!createIncomplete) assertTrue(f.complete(v1));
4922	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4923	>	if (createIncomplete) assertTrue(f.complete(v1));
4924
4925	<	f = new CompletableFuture<>();
4926	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4927	<	assertEquals(0, r.invocationCount);
4928	<	f.completeExceptionally(new CFException());
3488	<	checkCompletedWithWrappedCFException(f);
3489	<	checkCompletedNormally(g, three);
3490	<	assertEquals(1, r.invocationCount);
4925	>	checkCompletedNormally(f, v1);
4926	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4927	>	r.assertNotInvoked();
4928	>	}}
4929
4930	<	f = new CompletableFuture<>();
4931	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4932	<	assertEquals(0, r.invocationCount);
4933	<	f.completeExceptionally(new CFException());
4934	<	checkCompletedWithWrappedCFException(f);
4935	<	checkCompletedNormally(g, three);
4936	<	assertEquals(1, r.invocationCount);
4930	>	/**
4931	>	* default-implemented exceptionallyComposeAsync result completes
4932	>	* normally after exceptional completion of source
4933	>	*/
4934	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4935	>	for (boolean createIncomplete : new boolean[] { true, false })
4936	>	{
4937	>	final CFException ex = new CFException();
4938	>	final ExceptionalCompletableFutureFunction r =
4939	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4940	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4941	>	final DelegatedCompletionStage<Integer> d =
4942	>	new DelegatedCompletionStage<Integer>(f);
4943	>	if (!createIncomplete) f.completeExceptionally(ex);
4944	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4945	>	if (createIncomplete) f.completeExceptionally(ex);
4946
4947	<	f = new CompletableFuture<>();
4948	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4949	<	assertEquals(0, r.invocationCount);
4950	<	f.complete(one);
3504	<	checkCompletedNormally(f, one);
3505	<	checkCompletedNormally(g, two);
3506	<	assertEquals(1, r.invocationCount);
4947	>	checkCompletedExceptionally(f, ex);
4948	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4949	>	r.assertInvoked();
4950	>	}}
4951
4952	<	f = new CompletableFuture<>();
4953	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4954	<	assertEquals(0, r.invocationCount);
4955	<	f.complete(one);
4956	<	checkCompletedNormally(f, one);
4957	<	checkCompletedNormally(g, two);
4958	<	assertEquals(1, r.invocationCount);
4959	<	}
4952	>	/**
4953	>	* default-implemented exceptionallyComposeAsync completes
4954	>	* exceptionally on exception if action does
4955	>	*/
4956	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
4957	>	for (boolean createIncomplete : new boolean[] { true, false })
4958	>	for (Integer v1 : new Integer[] { 1, null })
4959	>	{
4960	>	final CFException ex = new CFException();
4961	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4962	>	final FailingExceptionalCompletableFutureFunction r
4963	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4964	>	final DelegatedCompletionStage<Integer> d =
4965	>	new DelegatedCompletionStage<Integer>(f);
4966	>	if (!createIncomplete) f.completeExceptionally(ex);
4967	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4968	>	if (createIncomplete) f.completeExceptionally(ex);
4969	>
4970	>	checkCompletedExceptionally(f, ex);
4971	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4972	>	r.assertInvoked();
4973	>	}}
4974	>
4975	>
4976	>	/**
4977	>	* defult exceptionallyComposeAsync result completes normally after normal
4978	>	* completion of source
4979	>	*/
4980	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
4981	>	for (boolean createIncomplete : new boolean[] { true, false })
4982	>	for (Integer v1 : new Integer[] { 1, null })
4983	>	{
4984	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4985	>	final ExceptionalCompletableFutureFunction r =
4986	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
4987	>	final DelegatedCompletionStage<Integer> d =
4988	>	new DelegatedCompletionStage<Integer>(f);
4989	>	if (!createIncomplete) assertTrue(f.complete(v1));
4990	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
4991	>	if (createIncomplete) assertTrue(f.complete(v1));
4992	>
4993	>	checkCompletedNormally(f, v1);
4994	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4995	>	r.assertNotInvoked();
4996	>	}}
4997	>
4998	>	/**
4999	>	* default-implemented exceptionallyComposeAsync result completes
5000	>	* normally after exceptional completion of source
5001	>	*/
5002	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5003	>	for (boolean createIncomplete : new boolean[] { true, false })
5004	>	{
5005	>	final CFException ex = new CFException();
5006	>	final ExceptionalCompletableFutureFunction r =
5007	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5008	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5009	>	final DelegatedCompletionStage<Integer> d =
5010	>	new DelegatedCompletionStage<Integer>(f);
5011	>	if (!createIncomplete) f.completeExceptionally(ex);
5012	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5013	>	if (createIncomplete) f.completeExceptionally(ex);
5014	>
5015	>	checkCompletedExceptionally(f, ex);
5016	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5017	>	r.assertInvoked();
5018	>	}}
5019	>
5020	>	/**
5021	>	* default-implemented exceptionallyComposeAsync completes
5022	>	* exceptionally on exception if action does
5023	>	*/
5024	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5025	>	for (boolean createIncomplete : new boolean[] { true, false })
5026	>	for (Integer v1 : new Integer[] { 1, null })
5027	>	{
5028	>	final CFException ex = new CFException();
5029	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5030	>	final FailingExceptionalCompletableFutureFunction r
5031	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5032	>	final DelegatedCompletionStage<Integer> d =
5033	>	new DelegatedCompletionStage<Integer>(f);
5034	>	if (!createIncomplete) f.completeExceptionally(ex);
5035	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5036	>	if (createIncomplete) f.completeExceptionally(ex);
5037	>
5038	>	checkCompletedExceptionally(f, ex);
5039	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5040	>	r.assertInvoked();
5041	>	}}
5042
5043		}

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