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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.46 by jsr166, Mon Jun 2 17:41:22 2014 UTC vs.
Revision 1.209 by jsr166, Sun Sep 23 17:02:24 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 259 | 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());
267	<	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(0, f.getNumberOfDependents());
322	<	CompletableFuture g = f.thenRun(new Noop());
322	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323		assertEquals(1, f.getNumberOfDependents());
324		assertEquals(0, g.getNumberOfDependents());
325	<	CompletableFuture h = f.thenRun(new Noop());
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326		assertEquals(2, f.getNumberOfDependents());
327	<	f.complete(1);
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	+	checkCompletedNormally(h, null);
331		assertEquals(0, f.getNumberOfDependents());
332		assertEquals(0, g.getNumberOfDependents());
333	<	}
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 318 | 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 332 | 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);
339	<	static final BiFunction<Integer, Integer, Integer> subtract =
340	<	(Integer x, Integer y) -> subtract(x, y);
341	<	static final class IncAction implements Consumer<Integer> {
342	<	int invocationCount = 0;
343	<	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++;
553	<	CompletableFuture<Integer> f = new CompletableFuture<>();
554	<	f.complete(inc(x));
432	<	return f;
552	>	invoked();
553	>	value = x;
554	>	return CompletableFuture.completedFuture(inc(x));
555		}
556		}
557
558	<	static final class FailingCompletableFutureFunction
559	<	implements Function<Integer, CompletableFuture<Integer>> {
560	<	int invocationCount = 0;
558	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
559	>	implements Function<Throwable, CompletableFuture<Integer>>
560	>	{
561	>	final CFException ex;
562	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
563	>	public CompletableFuture<Integer> apply(Throwable x) {
564	>	invoked();
565	>	throw ex;
566	>	}
567	>	}
568	>
569	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
570	>	implements Function<Throwable, CompletionStage<Integer>> {
571	>	final Integer value = 3;
572	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
573	>	public CompletionStage<Integer> apply(Throwable x) {
574	>	invoked();
575	>	return CompletableFuture.completedFuture(value);
576	>	}
577	>	}
578	>
579	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
580	>	implements Function<Integer, CompletableFuture<Integer>>
581	>	{
582	>	final CFException ex;
583	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
584		public CompletableFuture<Integer> apply(Integer x) {
585	<	invocationCount++;
586	<	throw new CFException();
585	>	invoked();
586	>	value = x;
587	>	throw ex;
588	>	}
589	>	}
590	>
591	>	static class CountingRejectingExecutor implements Executor {
592	>	final RejectedExecutionException ex = new RejectedExecutionException();
593	>	final AtomicInteger count = new AtomicInteger(0);
594	>	public void execute(Runnable r) {
595	>	count.getAndIncrement();
596	>	throw ex;
597		}
598		}
599
600		// Used for explicit executor tests
601		static final class ThreadExecutor implements Executor {
602	<	AtomicInteger count = new AtomicInteger(0);
602	>	final AtomicInteger count = new AtomicInteger(0);
603	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
604	>	static boolean startedCurrentThread() {
605	>	return Thread.currentThread().getThreadGroup() == tg;
606	>	}
607
608		public void execute(Runnable r) {
609		count.getAndIncrement();
610	<	new Thread(r).start();
610	>	new Thread(tg, r).start();
611		}
612		}
613
614	+	static final boolean defaultExecutorIsCommonPool
615	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
616	+
617		/**
618		* Permits the testing of parallel code for the 3 different
619	<	* execution modes without repeating all the testing code.
619	>	* execution modes without copy/pasting all the test methods.
620		*/
621		enum ExecutionMode {
622	<	DEFAULT {
622	>	SYNC {
623	>	public void checkExecutionMode() {
624	>	assertFalse(ThreadExecutor.startedCurrentThread());
625	>	assertNull(ForkJoinTask.getPool());
626	>	}
627	>	public CompletableFuture<Void> runAsync(Runnable a) {
628	>	throw new UnsupportedOperationException();
629	>	}
630	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
631	>	throw new UnsupportedOperationException();
632	>	}
633		public <T> CompletableFuture<Void> thenRun
634		(CompletableFuture<T> f, Runnable a) {
635		return f.thenRun(a);
#	Line 519 | Line 691 | public class CompletableFutureTest exten
691		Function<? super T,U> a) {
692		return f.applyToEither(g, a);
693		}
694	+	public <T> CompletableFuture<T> exceptionally
695	+	(CompletableFuture<T> f,
696	+	Function<Throwable, ? extends T> fn) {
697	+	return f.exceptionally(fn);
698	+	}
699	+	public <T> CompletableFuture<T> exceptionallyCompose
700	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
701	+	return f.exceptionallyCompose(fn);
702	+	}
703		},
704	<
705	<	DEFAULT_ASYNC {
704	>	ASYNC {
705	>	public void checkExecutionMode() {
706	>	assertEquals(defaultExecutorIsCommonPool,
707	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
708	>	}
709	>	public CompletableFuture<Void> runAsync(Runnable a) {
710	>	return CompletableFuture.runAsync(a);
711	>	}
712	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
713	>	return CompletableFuture.supplyAsync(a);
714	>	}
715		public <T> CompletableFuture<Void> thenRun
716		(CompletableFuture<T> f, Runnable a) {
717		return f.thenRunAsync(a);
#	Line 583 | Line 773 | public class CompletableFutureTest exten
773		Function<? super T,U> a) {
774		return f.applyToEitherAsync(g, a);
775		}
776	+	public <T> CompletableFuture<T> exceptionally
777	+	(CompletableFuture<T> f,
778	+	Function<Throwable, ? extends T> fn) {
779	+	return f.exceptionallyAsync(fn);
780	+	}
781	+
782	+	public <T> CompletableFuture<T> exceptionallyCompose
783	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
784	+	return f.exceptionallyComposeAsync(fn);
785	+	}
786	+
787		},
788
789		EXECUTOR {
790	+	public void checkExecutionMode() {
791	+	assertTrue(ThreadExecutor.startedCurrentThread());
792	+	}
793	+	public CompletableFuture<Void> runAsync(Runnable a) {
794	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
795	+	}
796	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
797	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
798	+	}
799		public <T> CompletableFuture<Void> thenRun
800		(CompletableFuture<T> f, Runnable a) {
801		return f.thenRunAsync(a, new ThreadExecutor());
#	Line 647 | Line 857 | public class CompletableFutureTest exten
857		Function<? super T,U> a) {
858		return f.applyToEitherAsync(g, a, new ThreadExecutor());
859		}
860	+	public <T> CompletableFuture<T> exceptionally
861	+	(CompletableFuture<T> f,
862	+	Function<Throwable, ? extends T> fn) {
863	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
864	+	}
865	+	public <T> CompletableFuture<T> exceptionallyCompose
866	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
867	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
868	+	}
869	+
870		};
871
872	+	public abstract void checkExecutionMode();
873	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
874	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
875		public abstract <T> CompletableFuture<Void> thenRun
876		(CompletableFuture<T> f, Runnable a);
877		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 686 | Line 909 | public class CompletableFutureTest exten
909		(CompletableFuture<T> f,
910		CompletionStage<? extends T> g,
911		Function<? super T,U> a);
912	+	public abstract <T> CompletableFuture<T> exceptionally
913	+	(CompletableFuture<T> f,
914	+	Function<Throwable, ? extends T> fn);
915	+	public abstract <T> CompletableFuture<T> exceptionallyCompose
916	+	(CompletableFuture<T> f,
917	+	Function<Throwable, ? extends CompletionStage<T>> fn);
918		}
919
920		/**
#	Line 693 | Line 922 | public class CompletableFutureTest exten
922		* normally, and source result is propagated
923		*/
924		public void testExceptionally_normalCompletion() {
925	+	for (ExecutionMode m : ExecutionMode.values())
926		for (boolean createIncomplete : new boolean[] { true, false })
927		for (Integer v1 : new Integer[] { 1, null })
928		{
699	–	final AtomicInteger a = new AtomicInteger(0);
929		final CompletableFuture<Integer> f = new CompletableFuture<>();
930	<	if (!createIncomplete) f.complete(v1);
931	<	final CompletableFuture<Integer> g = f.exceptionally
932	<	((Throwable t) -> {
933	<	// Should not be called
934	<	a.getAndIncrement();
706	<	throw new AssertionError();
930	>	if (!createIncomplete) assertTrue(f.complete(v1));
931	>	final CompletableFuture<Integer> g = m.exceptionally
932	>	(f, (Throwable t) -> {
933	>	threadFail("should not be called");
934	>	return null;            // unreached
935		});
936	<	if (createIncomplete) f.complete(v1);
936	>	if (createIncomplete) assertTrue(f.complete(v1));
937
938		checkCompletedNormally(g, v1);
939		checkCompletedNormally(f, v1);
712	–	assertEquals(0, a.get());
940		}}
941
715	–
942		/**
943		* exceptionally action completes with function value on source
944		* exception
945		*/
946		public void testExceptionally_exceptionalCompletion() {
947	+	for (ExecutionMode m : ExecutionMode.values())
948		for (boolean createIncomplete : new boolean[] { true, false })
949		for (Integer v1 : new Integer[] { 1, null })
950		{
#	Line 725 | Line 952 | public class CompletableFutureTest exten
952		final CFException ex = new CFException();
953		final CompletableFuture<Integer> f = new CompletableFuture<>();
954		if (!createIncomplete) f.completeExceptionally(ex);
955	<	final CompletableFuture<Integer> g = f.exceptionally
956	<	((Throwable t) -> {
955	>	final CompletableFuture<Integer> g = m.exceptionally
956	>	(f, (Throwable t) -> {
957	>	m.checkExecutionMode();
958		threadAssertSame(t, ex);
959		a.getAndIncrement();
960		return v1;
#	Line 737 | Line 965 | public class CompletableFutureTest exten
965		assertEquals(1, a.get());
966		}}
967
968	+	/**
969	+	* If an "exceptionally action" throws an exception, it completes
970	+	* exceptionally with that exception
971	+	*/
972		public void testExceptionally_exceptionalCompletionActionFailed() {
973	+	for (ExecutionMode m : ExecutionMode.values())
974	+	for (boolean createIncomplete : new boolean[] { true, false })
975	+	{
976	+	final AtomicInteger a = new AtomicInteger(0);
977	+	final CFException ex1 = new CFException();
978	+	final CFException ex2 = new CFException();
979	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
980	+	if (!createIncomplete) f.completeExceptionally(ex1);
981	+	final CompletableFuture<Integer> g = m.exceptionally
982	+	(f, (Throwable t) -> {
983	+	m.checkExecutionMode();
984	+	threadAssertSame(t, ex1);
985	+	a.getAndIncrement();
986	+	throw ex2;
987	+	});
988	+	if (createIncomplete) f.completeExceptionally(ex1);
989	+
990	+	checkCompletedWithWrappedException(g, ex2);
991	+	checkCompletedExceptionally(f, ex1);
992	+	assertEquals(1, a.get());
993	+	}}
994	+
995	+	/**
996	+	* whenComplete action executes on normal completion, propagating
997	+	* source result.
998	+	*/
999	+	public void testWhenComplete_normalCompletion() {
1000	+	for (ExecutionMode m : ExecutionMode.values())
1001		for (boolean createIncomplete : new boolean[] { true, false })
1002		for (Integer v1 : new Integer[] { 1, null })
1003		{
1004		final AtomicInteger a = new AtomicInteger(0);
1005	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	+	if (!createIncomplete) assertTrue(f.complete(v1));
1007	+	final CompletableFuture<Integer> g = m.whenComplete
1008	+	(f,
1009	+	(Integer result, Throwable t) -> {
1010	+	m.checkExecutionMode();
1011	+	threadAssertSame(result, v1);
1012	+	threadAssertNull(t);
1013	+	a.getAndIncrement();
1014	+	});
1015	+	if (createIncomplete) assertTrue(f.complete(v1));
1016	+
1017	+	checkCompletedNormally(g, v1);
1018	+	checkCompletedNormally(f, v1);
1019	+	assertEquals(1, a.get());
1020	+	}}
1021	+
1022	+	/**
1023	+	* whenComplete action executes on exceptional completion, propagating
1024	+	* source result.
1025	+	*/
1026	+	public void testWhenComplete_exceptionalCompletion() {
1027	+	for (ExecutionMode m : ExecutionMode.values())
1028	+	for (boolean createIncomplete : new boolean[] { true, false })
1029	+	{
1030	+	final AtomicInteger a = new AtomicInteger(0);
1031	+	final CFException ex = new CFException();
1032	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1033	+	if (!createIncomplete) f.completeExceptionally(ex);
1034	+	final CompletableFuture<Integer> g = m.whenComplete
1035	+	(f,
1036	+	(Integer result, Throwable t) -> {
1037	+	m.checkExecutionMode();
1038	+	threadAssertNull(result);
1039	+	threadAssertSame(t, ex);
1040	+	a.getAndIncrement();
1041	+	});
1042	+	if (createIncomplete) f.completeExceptionally(ex);
1043	+
1044	+	checkCompletedWithWrappedException(g, ex);
1045	+	checkCompletedExceptionally(f, ex);
1046	+	assertEquals(1, a.get());
1047	+	}}
1048	+
1049	+	/**
1050	+	* whenComplete action executes on cancelled source, propagating
1051	+	* CancellationException.
1052	+	*/
1053	+	public void testWhenComplete_sourceCancelled() {
1054	+	for (ExecutionMode m : ExecutionMode.values())
1055	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1056	+	for (boolean createIncomplete : new boolean[] { true, false })
1057	+	{
1058	+	final AtomicInteger a = new AtomicInteger(0);
1059	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1060	+	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1061	+	final CompletableFuture<Integer> g = m.whenComplete
1062	+	(f,
1063	+	(Integer result, Throwable t) -> {
1064	+	m.checkExecutionMode();
1065	+	threadAssertNull(result);
1066	+	threadAssertTrue(t instanceof CancellationException);
1067	+	a.getAndIncrement();
1068	+	});
1069	+	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1070	+
1071	+	checkCompletedWithWrappedCancellationException(g);
1072	+	checkCancelled(f);
1073	+	assertEquals(1, a.get());
1074	+	}}
1075	+
1076	+	/**
1077	+	* If a whenComplete action throws an exception when triggered by
1078	+	* a normal completion, it completes exceptionally
1079	+	*/
1080	+	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1081	+	for (boolean createIncomplete : new boolean[] { true, false })
1082	+	for (ExecutionMode m : ExecutionMode.values())
1083	+	for (Integer v1 : new Integer[] { 1, null })
1084	+	{
1085	+	final AtomicInteger a = new AtomicInteger(0);
1086	+	final CFException ex = new CFException();
1087	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	+	if (!createIncomplete) assertTrue(f.complete(v1));
1089	+	final CompletableFuture<Integer> g = m.whenComplete
1090	+	(f,
1091	+	(Integer result, Throwable t) -> {
1092	+	m.checkExecutionMode();
1093	+	threadAssertSame(result, v1);
1094	+	threadAssertNull(t);
1095	+	a.getAndIncrement();
1096	+	throw ex;
1097	+	});
1098	+	if (createIncomplete) assertTrue(f.complete(v1));
1099	+
1100	+	checkCompletedWithWrappedException(g, ex);
1101	+	checkCompletedNormally(f, v1);
1102	+	assertEquals(1, a.get());
1103	+	}}
1104	+
1105	+	/**
1106	+	* If a whenComplete action throws an exception when triggered by
1107	+	* a source completion that also throws an exception, the source
1108	+	* exception takes precedence (unlike handle)
1109	+	*/
1110	+	public void testWhenComplete_sourceFailedActionFailed() {
1111	+	for (boolean createIncomplete : new boolean[] { true, false })
1112	+	for (ExecutionMode m : ExecutionMode.values())
1113	+	{
1114	+	final AtomicInteger a = new AtomicInteger(0);
1115		final CFException ex1 = new CFException();
1116		final CFException ex2 = new CFException();
1117		final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	+
1119		if (!createIncomplete) f.completeExceptionally(ex1);
1120	<	final CompletableFuture<Integer> g = f.exceptionally
1121	<	((Throwable t) -> {
1120	>	final CompletableFuture<Integer> g = m.whenComplete
1121	>	(f,
1122	>	(Integer result, Throwable t) -> {
1123	>	m.checkExecutionMode();
1124		threadAssertSame(t, ex1);
1125	+	threadAssertNull(result);
1126		a.getAndIncrement();
1127		throw ex2;
1128		});
1129		if (createIncomplete) f.completeExceptionally(ex1);
1130
1131	<	checkCompletedWithWrappedCFException(g, ex2);
1131	>	checkCompletedWithWrappedException(g, ex1);
1132	>	checkCompletedExceptionally(f, ex1);
1133	>	if (testImplementationDetails) {
1134	>	assertEquals(1, ex1.getSuppressed().length);
1135	>	assertSame(ex2, ex1.getSuppressed()[0]);
1136	>	}
1137		assertEquals(1, a.get());
1138		}}
1139
#	Line 769 | Line 1148 | public class CompletableFutureTest exten
1148		{
1149		final CompletableFuture<Integer> f = new CompletableFuture<>();
1150		final AtomicInteger a = new AtomicInteger(0);
1151	<	if (!createIncomplete) f.complete(v1);
1151	>	if (!createIncomplete) assertTrue(f.complete(v1));
1152		final CompletableFuture<Integer> g = m.handle
1153		(f,
1154	<	(Integer x, Throwable t) -> {
1155	<	threadAssertSame(x, v1);
1154	>	(Integer result, Throwable t) -> {
1155	>	m.checkExecutionMode();
1156	>	threadAssertSame(result, v1);
1157		threadAssertNull(t);
1158		a.getAndIncrement();
1159		return inc(v1);
1160		});
1161	<	if (createIncomplete) f.complete(v1);
1161	>	if (createIncomplete) assertTrue(f.complete(v1));
1162
1163		checkCompletedNormally(g, inc(v1));
1164		checkCompletedNormally(f, v1);
#	Line 800 | Line 1180 | public class CompletableFutureTest exten
1180		if (!createIncomplete) f.completeExceptionally(ex);
1181		final CompletableFuture<Integer> g = m.handle
1182		(f,
1183	<	(Integer x, Throwable t) -> {
1184	<	threadAssertNull(x);
1183	>	(Integer result, Throwable t) -> {
1184	>	m.checkExecutionMode();
1185	>	threadAssertNull(result);
1186		threadAssertSame(t, ex);
1187		a.getAndIncrement();
1188		return v1;
#	Line 809 | Line 1190 | public class CompletableFutureTest exten
1190		if (createIncomplete) f.completeExceptionally(ex);
1191
1192		checkCompletedNormally(g, v1);
1193	<	checkCompletedWithWrappedCFException(f, ex);
1193	>	checkCompletedExceptionally(f, ex);
1194		assertEquals(1, a.get());
1195		}}
1196
#	Line 828 | Line 1209 | public class CompletableFutureTest exten
1209		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1210		final CompletableFuture<Integer> g = m.handle
1211		(f,
1212	<	(Integer x, Throwable t) -> {
1213	<	threadAssertNull(x);
1212	>	(Integer result, Throwable t) -> {
1213	>	m.checkExecutionMode();
1214	>	threadAssertNull(result);
1215		threadAssertTrue(t instanceof CancellationException);
1216		a.getAndIncrement();
1217		return v1;
#	Line 842 | Line 1224 | public class CompletableFutureTest exten
1224		}}
1225
1226		/**
1227	<	* handle result completes exceptionally if action does
1227	>	* If a "handle action" throws an exception when triggered by
1228	>	* a normal completion, it completes exceptionally
1229		*/
1230	<	public void testHandle_sourceFailedActionFailed() {
1230	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1231		for (ExecutionMode m : ExecutionMode.values())
1232		for (boolean createIncomplete : new boolean[] { true, false })
1233	+	for (Integer v1 : new Integer[] { 1, null })
1234		{
1235		final CompletableFuture<Integer> f = new CompletableFuture<>();
1236		final AtomicInteger a = new AtomicInteger(0);
1237	<	final CFException ex1 = new CFException();
1238	<	final CFException ex2 = new CFException();
855	<	if (!createIncomplete) f.completeExceptionally(ex1);
1237	>	final CFException ex = new CFException();
1238	>	if (!createIncomplete) assertTrue(f.complete(v1));
1239		final CompletableFuture<Integer> g = m.handle
1240		(f,
1241	<	(Integer x, Throwable t) -> {
1242	<	threadAssertNull(x);
1243	<	threadAssertSame(ex1, t);
1241	>	(Integer result, Throwable t) -> {
1242	>	m.checkExecutionMode();
1243	>	threadAssertSame(result, v1);
1244	>	threadAssertNull(t);
1245		a.getAndIncrement();
1246	<	throw ex2;
1246	>	throw ex;
1247		});
1248	<	if (createIncomplete) f.completeExceptionally(ex1);
1248	>	if (createIncomplete) assertTrue(f.complete(v1));
1249
1250	<	checkCompletedWithWrappedCFException(g, ex2);
1251	<	checkCompletedWithWrappedCFException(f, ex1);
1250	>	checkCompletedWithWrappedException(g, ex);
1251	>	checkCompletedNormally(f, v1);
1252		assertEquals(1, a.get());
1253		}}
1254
1255	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1256	<	for (ExecutionMode m : ExecutionMode.values())
1255	>	/**
1256	>	* If a "handle action" throws an exception when triggered by
1257	>	* a source completion that also throws an exception, the action
1258	>	* exception takes precedence (unlike whenComplete)
1259	>	*/
1260	>	public void testHandle_sourceFailedActionFailed() {
1261		for (boolean createIncomplete : new boolean[] { true, false })
1262	<	for (Integer v1 : new Integer[] { 1, null })
1262	>	for (ExecutionMode m : ExecutionMode.values())
1263		{
876	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1264		final AtomicInteger a = new AtomicInteger(0);
1265	<	final CFException ex = new CFException();
1266	<	if (!createIncomplete) f.complete(v1);
1265	>	final CFException ex1 = new CFException();
1266	>	final CFException ex2 = new CFException();
1267	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1268	>
1269	>	if (!createIncomplete) f.completeExceptionally(ex1);
1270		final CompletableFuture<Integer> g = m.handle
1271		(f,
1272	<	(Integer x, Throwable t) -> {
1273	<	threadAssertSame(x, v1);
1274	<	threadAssertNull(t);
1272	>	(Integer result, Throwable t) -> {
1273	>	m.checkExecutionMode();
1274	>	threadAssertNull(result);
1275	>	threadAssertSame(ex1, t);
1276		a.getAndIncrement();
1277	<	throw ex;
1277	>	throw ex2;
1278		});
1279	<	if (createIncomplete) f.complete(v1);
1279	>	if (createIncomplete) f.completeExceptionally(ex1);
1280
1281	<	checkCompletedWithWrappedCFException(g, ex);
1282	<	checkCompletedNormally(f, v1);
1281	>	checkCompletedWithWrappedException(g, ex2);
1282	>	checkCompletedExceptionally(f, ex1);
1283		assertEquals(1, a.get());
1284		}}
1285
1286		/**
1287		* runAsync completes after running Runnable
1288		*/
1289	<	public void testRunAsync() {
1290	<	Noop r = new Noop();
1291	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1292	<	assertNull(f.join());
1293	<	assertEquals(1, r.invocationCount);
1294	<	checkCompletedNormally(f, null);
1295	<	}
1296	<
1297	<	/**
907	<	* runAsync with executor completes after running Runnable
908	<	*/
909	<	public void testRunAsync2() {
910	<	Noop r = new Noop();
911	<	ThreadExecutor exec = new ThreadExecutor();
912	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1289	>	public void testRunAsync_normalCompletion() {
1290	>	ExecutionMode[] executionModes = {
1291	>	ExecutionMode.ASYNC,
1292	>	ExecutionMode.EXECUTOR,
1293	>	};
1294	>	for (ExecutionMode m : executionModes)
1295	>	{
1296	>	final Noop r = new Noop(m);
1297	>	final CompletableFuture<Void> f = m.runAsync(r);
1298		assertNull(f.join());
914	–	assertEquals(1, r.invocationCount);
1299		checkCompletedNormally(f, null);
1300	<	assertEquals(1, exec.count.get());
1301	<	}
1300	>	r.assertInvoked();
1301	>	}}
1302
1303		/**
1304		* failing runAsync completes exceptionally after running Runnable
1305		*/
1306	<	public void testRunAsync3() {
1307	<	FailingNoop r = new FailingNoop();
1308	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1309	<	checkCompletedWithWrappedCFException(f);
1310	<	assertEquals(1, r.invocationCount);
1311	<	}
1306	>	public void testRunAsync_exceptionalCompletion() {
1307	>	ExecutionMode[] executionModes = {
1308	>	ExecutionMode.ASYNC,
1309	>	ExecutionMode.EXECUTOR,
1310	>	};
1311	>	for (ExecutionMode m : executionModes)
1312	>	{
1313	>	final FailingRunnable r = new FailingRunnable(m);
1314	>	final CompletableFuture<Void> f = m.runAsync(r);
1315	>	checkCompletedWithWrappedException(f, r.ex);
1316	>	r.assertInvoked();
1317	>	}}
1318
1319	<	/**
1320	<	* supplyAsync completes with result of supplier
1321	<	*/
1322	<	public void testSupplyAsync() {
1323	<	CompletableFuture<Integer> f;
1324	<	f = CompletableFuture.supplyAsync(supplyOne);
1325	<	assertEquals(f.join(), one);
1326	<	checkCompletedNormally(f, one);
1319	>	@SuppressWarnings("FutureReturnValueIgnored")
1320	>	public void testRunAsync_rejectingExecutor() {
1321	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1322	>	try {
1323	>	CompletableFuture.runAsync(() -> {}, e);
1324	>	shouldThrow();
1325	>	} catch (Throwable t) {
1326	>	assertSame(e.ex, t);
1327	>	}
1328	>
1329	>	assertEquals(1, e.count.get());
1330		}
1331
1332		/**
1333	<	* supplyAsync with executor completes with result of supplier
1333	>	* supplyAsync completes with result of supplier
1334		*/
1335	<	public void testSupplyAsync2() {
1336	<	CompletableFuture<Integer> f;
1337	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1338	<	assertEquals(f.join(), one);
1339	<	checkCompletedNormally(f, one);
1340	<	}
1335	>	public void testSupplyAsync_normalCompletion() {
1336	>	ExecutionMode[] executionModes = {
1337	>	ExecutionMode.ASYNC,
1338	>	ExecutionMode.EXECUTOR,
1339	>	};
1340	>	for (ExecutionMode m : executionModes)
1341	>	for (Integer v1 : new Integer[] { 1, null })
1342	>	{
1343	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1344	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1345	>	assertSame(v1, f.join());
1346	>	checkCompletedNormally(f, v1);
1347	>	r.assertInvoked();
1348	>	}}
1349
1350		/**
1351		* Failing supplyAsync completes exceptionally
1352		*/
1353	<	public void testSupplyAsync3() {
1354	<	FailingSupplier r = new FailingSupplier();
1355	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1356	<	checkCompletedWithWrappedCFException(f);
1357	<	assertEquals(1, r.invocationCount);
1353	>	public void testSupplyAsync_exceptionalCompletion() {
1354	>	ExecutionMode[] executionModes = {
1355	>	ExecutionMode.ASYNC,
1356	>	ExecutionMode.EXECUTOR,
1357	>	};
1358	>	for (ExecutionMode m : executionModes)
1359	>	{
1360	>	FailingSupplier r = new FailingSupplier(m);
1361	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1362	>	checkCompletedWithWrappedException(f, r.ex);
1363	>	r.assertInvoked();
1364	>	}}
1365	>
1366	>	@SuppressWarnings("FutureReturnValueIgnored")
1367	>	public void testSupplyAsync_rejectingExecutor() {
1368	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1369	>	try {
1370	>	CompletableFuture.supplyAsync(() -> null, e);
1371	>	shouldThrow();
1372	>	} catch (Throwable t) {
1373	>	assertSame(e.ex, t);
1374	>	}
1375	>
1376	>	assertEquals(1, e.count.get());
1377		}
1378
1379		// seq completion methods
#	Line 961 | Line 1381 | public class CompletableFutureTest exten
1381		/**
1382		* thenRun result completes normally after normal completion of source
1383		*/
1384	<	public void testThenRun() {
1385	<	CompletableFuture<Integer> f;
1386	<	CompletableFuture<Void> g;
1387	<	Noop r;
1388	<
1389	<	f = new CompletableFuture<>();
1390	<	g = f.thenRun(r = new Noop());
971	<	f.complete(null);
972	<	checkCompletedNormally(g, null);
973	<	assertEquals(1, r.invocationCount);
1384	>	public void testThenRun_normalCompletion() {
1385	>	for (ExecutionMode m : ExecutionMode.values())
1386	>	for (Integer v1 : new Integer[] { 1, null })
1387	>	{
1388	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1389	>	final Noop[] rs = new Noop[6];
1390	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1391
1392	<	f = new CompletableFuture<>();
1393	<	f.complete(null);
1394	<	g = f.thenRun(r = new Noop());
1395	<	checkCompletedNormally(g, null);
1396	<	assertEquals(1, r.invocationCount);
1397	<	}
1392	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1393	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1394	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1395	>	checkIncomplete(h0);
1396	>	checkIncomplete(h1);
1397	>	checkIncomplete(h2);
1398	>	assertTrue(f.complete(v1));
1399	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1400	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1401	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1402	>
1403	>	checkCompletedNormally(h0, null);
1404	>	checkCompletedNormally(h1, null);
1405	>	checkCompletedNormally(h2, null);
1406	>	checkCompletedNormally(h3, null);
1407	>	checkCompletedNormally(h4, null);
1408	>	checkCompletedNormally(h5, null);
1409	>	checkCompletedNormally(f, v1);
1410	>	for (Noop r : rs) r.assertInvoked();
1411	>	}}
1412
1413		/**
1414		* thenRun result completes exceptionally after exceptional
1415		* completion of source
1416		*/
1417	<	public void testThenRun2() {
1418	<	CompletableFuture<Integer> f;
1419	<	CompletableFuture<Void> g;
1420	<	Noop r;
1421	<
1422	<	f = new CompletableFuture<>();
1423	<	g = f.thenRun(r = new Noop());
993	<	f.completeExceptionally(new CFException());
994	<	checkCompletedWithWrappedCFException(g);
995	<	assertEquals(0, r.invocationCount);
996	<
997	<	f = new CompletableFuture<>();
998	<	f.completeExceptionally(new CFException());
999	<	g = f.thenRun(r = new Noop());
1000	<	checkCompletedWithWrappedCFException(g);
1001	<	assertEquals(0, r.invocationCount);
1002	<	}
1003	<
1004	<	/**
1005	<	* thenRun result completes exceptionally if action does
1006	<	*/
1007	<	public void testThenRun3() {
1008	<	CompletableFuture<Integer> f;
1009	<	CompletableFuture<Void> g;
1010	<	FailingNoop r;
1011	<
1012	<	f = new CompletableFuture<>();
1013	<	g = f.thenRun(r = new FailingNoop());
1014	<	f.complete(null);
1015	<	checkCompletedWithWrappedCFException(g);
1417	>	public void testThenRun_exceptionalCompletion() {
1418	>	for (ExecutionMode m : ExecutionMode.values())
1419	>	{
1420	>	final CFException ex = new CFException();
1421	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1422	>	final Noop[] rs = new Noop[6];
1423	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1424
1425	<	f = new CompletableFuture<>();
1426	<	f.complete(null);
1427	<	g = f.thenRun(r = new FailingNoop());
1428	<	checkCompletedWithWrappedCFException(g);
1429	<	}
1425	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1426	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1427	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1428	>	checkIncomplete(h0);
1429	>	checkIncomplete(h1);
1430	>	checkIncomplete(h2);
1431	>	assertTrue(f.completeExceptionally(ex));
1432	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1433	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1434	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1435	>
1436	>	checkCompletedWithWrappedException(h0, ex);
1437	>	checkCompletedWithWrappedException(h1, ex);
1438	>	checkCompletedWithWrappedException(h2, ex);
1439	>	checkCompletedWithWrappedException(h3, ex);
1440	>	checkCompletedWithWrappedException(h4, ex);
1441	>	checkCompletedWithWrappedException(h5, ex);
1442	>	checkCompletedExceptionally(f, ex);
1443	>	for (Noop r : rs) r.assertNotInvoked();
1444	>	}}
1445
1446		/**
1447		* thenRun result completes exceptionally if source cancelled
1448		*/
1449	<	public void testThenRun4() {
1450	<	CompletableFuture<Integer> f;
1451	<	CompletableFuture<Void> g;
1452	<	Noop r;
1453	<
1454	<	f = new CompletableFuture<>();
1455	<	g = f.thenRun(r = new Noop());
1033	<	assertTrue(f.cancel(true));
1034	<	checkCompletedWithWrappedCancellationException(g);
1035	<
1036	<	f = new CompletableFuture<>();
1037	<	assertTrue(f.cancel(true));
1038	<	g = f.thenRun(r = new Noop());
1039	<	checkCompletedWithWrappedCancellationException(g);
1040	<	}
1041	<
1042	<	/**
1043	<	* thenApply result completes normally after normal completion of source
1044	<	*/
1045	<	public void testThenApply() {
1046	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1047	<	CompletableFuture<Integer> g = f.thenApply(inc);
1048	<	f.complete(one);
1049	<	checkCompletedNormally(g, two);
1050	<	}
1051	<
1052	<	/**
1053	<	* thenApply result completes exceptionally after exceptional
1054	<	* completion of source
1055	<	*/
1056	<	public void testThenApply2() {
1057	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1058	<	CompletableFuture<Integer> g = f.thenApply(inc);
1059	<	f.completeExceptionally(new CFException());
1060	<	checkCompletedWithWrappedCFException(g);
1061	<	}
1062	<
1063	<	/**
1064	<	* thenApply result completes exceptionally if action does
1065	<	*/
1066	<	public void testThenApply3() {
1067	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1068	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1069	<	f.complete(one);
1070	<	checkCompletedWithWrappedCFException(g);
1071	<	}
1072	<
1073	<	/**
1074	<	* thenApply result completes exceptionally if source cancelled
1075	<	*/
1076	<	public void testThenApply4() {
1077	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1078	<	CompletableFuture<Integer> g = f.thenApply(inc);
1079	<	assertTrue(f.cancel(true));
1080	<	checkCompletedWithWrappedCancellationException(g);
1081	<	}
1082	<
1083	<	/**
1084	<	* thenAccept result completes normally after normal completion of source
1085	<	*/
1086	<	public void testThenAccept() {
1087	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1088	<	IncAction r = new IncAction();
1089	<	CompletableFuture<Void> g = f.thenAccept(r);
1090	<	f.complete(one);
1091	<	checkCompletedNormally(g, null);
1092	<	assertEquals(r.value, (Integer) 2);
1093	<	}
1449	>	public void testThenRun_sourceCancelled() {
1450	>	for (ExecutionMode m : ExecutionMode.values())
1451	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1452	>	{
1453	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1454	>	final Noop[] rs = new Noop[6];
1455	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1456
1457	<	/**
1458	<	* thenAccept result completes exceptionally after exceptional
1459	<	* completion of source
1460	<	*/
1461	<	public void testThenAccept2() {
1462	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1463	<	IncAction r = new IncAction();
1464	<	CompletableFuture<Void> g = f.thenAccept(r);
1465	<	f.completeExceptionally(new CFException());
1466	<	checkCompletedWithWrappedCFException(g);
1467	<	}
1457	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1458	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1459	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1460	>	checkIncomplete(h0);
1461	>	checkIncomplete(h1);
1462	>	checkIncomplete(h2);
1463	>	assertTrue(f.cancel(mayInterruptIfRunning));
1464	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1465	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1466	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1467	>
1468	>	checkCompletedWithWrappedCancellationException(h0);
1469	>	checkCompletedWithWrappedCancellationException(h1);
1470	>	checkCompletedWithWrappedCancellationException(h2);
1471	>	checkCompletedWithWrappedCancellationException(h3);
1472	>	checkCompletedWithWrappedCancellationException(h4);
1473	>	checkCompletedWithWrappedCancellationException(h5);
1474	>	checkCancelled(f);
1475	>	for (Noop r : rs) r.assertNotInvoked();
1476	>	}}
1477
1478		/**
1479	<	* thenAccept result completes exceptionally if action does
1479	>	* thenRun result completes exceptionally if action does
1480		*/
1481	<	public void testThenAccept3() {
1482	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1483	<	FailingConsumer r = new FailingConsumer();
1484	<	CompletableFuture<Void> g = f.thenAccept(r);
1485	<	f.complete(one);
1486	<	checkCompletedWithWrappedCFException(g);
1487	<	assertEquals(1, r.invocationCount);
1117	<	}
1481	>	public void testThenRun_actionFailed() {
1482	>	for (ExecutionMode m : ExecutionMode.values())
1483	>	for (Integer v1 : new Integer[] { 1, null })
1484	>	{
1485	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1486	>	final FailingRunnable[] rs = new FailingRunnable[6];
1487	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1488
1489	<	/**
1490	<	* thenAccept result completes exceptionally if source cancelled
1491	<	*/
1492	<	public void testThenAccept4() {
1493	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1494	<	IncAction r = new IncAction();
1495	<	CompletableFuture<Void> g = f.thenAccept(r);
1496	<	assertTrue(f.cancel(true));
1497	<	checkCompletedWithWrappedCancellationException(g);
1498	<	}
1489	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1490	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1491	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1492	>	assertTrue(f.complete(v1));
1493	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1494	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1495	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1496	>
1497	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1498	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1499	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1500	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1501	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1502	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1503	>	checkCompletedNormally(f, v1);
1504	>	}}
1505
1506		/**
1507	<	* thenCombine result completes normally after normal completion
1132	<	* of sources
1507	>	* thenApply result completes normally after normal completion of source
1508		*/
1509	<	public void testThenCombine_normalCompletion1() {
1135	<	for (boolean createIncomplete : new boolean[] { true, false })
1136	<	for (boolean fFirst : new boolean[] { true, false })
1509	>	public void testThenApply_normalCompletion() {
1510		for (ExecutionMode m : ExecutionMode.values())
1511		for (Integer v1 : new Integer[] { 1, null })
1512	<	for (Integer v2 : new Integer[] { 2, null }) {
1140	<
1512	>	{
1513		final CompletableFuture<Integer> f = new CompletableFuture<>();
1514	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1515	<	final SubtractFunction r = new SubtractFunction();
1144	<	CompletableFuture<Integer> h = null;
1145	<	if (createIncomplete) h = m.thenCombine(f, g, r);
1146	<
1147	<	if (fFirst)
1148	<	f.complete(v1);
1149	<	else
1150	<	g.complete(v2);
1151	<	if (createIncomplete) checkIncomplete(h);
1152	<	assertEquals(0, r.invocationCount);
1153	<	if (!fFirst)
1154	<	f.complete(v1);
1155	<	else
1156	<	g.complete(v2);
1157	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1514	>	final IncFunction[] rs = new IncFunction[4];
1515	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1516
1517	<	checkCompletedNormally(h, subtract(v1, v2));
1517	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1518	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1519	>	checkIncomplete(h0);
1520	>	checkIncomplete(h1);
1521	>	assertTrue(f.complete(v1));
1522	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1523	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedNormally(h0, inc(v1));
1526	>	checkCompletedNormally(h1, inc(v1));
1527	>	checkCompletedNormally(h2, inc(v1));
1528	>	checkCompletedNormally(h3, inc(v1));
1529		checkCompletedNormally(f, v1);
1530	<	checkCompletedNormally(g, v2);
1531	<	assertEquals(1, r.invocationCount);
1163	<	}
1164	<	}
1530	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1531	>	}}
1532
1533		/**
1534	<	* thenCombine result completes exceptionally after exceptional
1535	<	* completion of either source
1534	>	* thenApply result completes exceptionally after exceptional
1535	>	* completion of source
1536		*/
1537	<	public void testThenCombine_exceptionalCompletion1() {
1537	>	public void testThenApply_exceptionalCompletion() {
1538		for (ExecutionMode m : ExecutionMode.values())
1539	<	for (Integer v1 : new Integer[] { 1, null }) {
1173	<
1174	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1175	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1176	<	final SubtractFunction r = new SubtractFunction();
1177	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1539	>	{
1540		final CFException ex = new CFException();
1179	–
1180	–	f.completeExceptionally(ex);
1181	–	checkIncomplete(h);
1182	–	g.complete(v1);
1183	–
1184	–	checkCompletedWithWrappedCFException(h, ex);
1185	–	checkCompletedWithWrappedCFException(f, ex);
1186	–	assertEquals(0, r.invocationCount);
1187	–	checkCompletedNormally(g, v1);
1188	–	}
1189	–	}
1190	–
1191	–	public void testThenCombine_exceptionalCompletion2() {
1192	–	for (ExecutionMode m : ExecutionMode.values())
1193	–	for (Integer v1 : new Integer[] { 1, null }) {
1194	–
1541		final CompletableFuture<Integer> f = new CompletableFuture<>();
1542	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1543	<	final SubtractFunction r = new SubtractFunction();
1198	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1199	<	final CFException ex = new CFException();
1542	>	final IncFunction[] rs = new IncFunction[4];
1543	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1544
1545	<	g.completeExceptionally(ex);
1546	<	checkIncomplete(h);
1547	<	f.complete(v1);
1548	<
1549	<	checkCompletedWithWrappedCFException(h, ex);
1550	<	checkCompletedWithWrappedCFException(g, ex);
1551	<	assertEquals(0, r.invocationCount);
1552	<	checkCompletedNormally(f, v1);
1553	<	}
1554	<	}
1545	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1546	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1547	>	assertTrue(f.completeExceptionally(ex));
1548	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1549	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1550	>
1551	>	checkCompletedWithWrappedException(h0, ex);
1552	>	checkCompletedWithWrappedException(h1, ex);
1553	>	checkCompletedWithWrappedException(h2, ex);
1554	>	checkCompletedWithWrappedException(h3, ex);
1555	>	checkCompletedExceptionally(f, ex);
1556	>	for (IncFunction r : rs) r.assertNotInvoked();
1557	>	}}
1558
1559	<	public void testThenCombine_exceptionalCompletion3() {
1559	>	/**
1560	>	* thenApply result completes exceptionally if source cancelled
1561	>	*/
1562	>	public void testThenApply_sourceCancelled() {
1563		for (ExecutionMode m : ExecutionMode.values())
1564	<	for (Integer v1 : new Integer[] { 1, null }) {
1565	<
1564	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1565	>	{
1566		final CompletableFuture<Integer> f = new CompletableFuture<>();
1567	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1568	<	final SubtractFunction r = new SubtractFunction();
1219	<	final CFException ex = new CFException();
1567	>	final IncFunction[] rs = new IncFunction[4];
1568	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1569
1570	<	g.completeExceptionally(ex);
1571	<	f.complete(v1);
1572	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1570	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1571	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1572	>	assertTrue(f.cancel(mayInterruptIfRunning));
1573	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1574	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1575
1576	<	checkCompletedWithWrappedCFException(h, ex);
1577	<	checkCompletedWithWrappedCFException(g, ex);
1578	<	assertEquals(0, r.invocationCount);
1579	<	checkCompletedNormally(f, v1);
1580	<	}
1581	<	}
1576	>	checkCompletedWithWrappedCancellationException(h0);
1577	>	checkCompletedWithWrappedCancellationException(h1);
1578	>	checkCompletedWithWrappedCancellationException(h2);
1579	>	checkCompletedWithWrappedCancellationException(h3);
1580	>	checkCancelled(f);
1581	>	for (IncFunction r : rs) r.assertNotInvoked();
1582	>	}}
1583
1584	<	public void testThenCombine_exceptionalCompletion4() {
1584	>	/**
1585	>	* thenApply result completes exceptionally if action does
1586	>	*/
1587	>	public void testThenApply_actionFailed() {
1588		for (ExecutionMode m : ExecutionMode.values())
1589	<	for (Integer v1 : new Integer[] { 1, null }) {
1590	<
1589	>	for (Integer v1 : new Integer[] { 1, null })
1590	>	{
1591		final CompletableFuture<Integer> f = new CompletableFuture<>();
1592	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1593	<	final SubtractFunction r = new SubtractFunction();
1239	<	final CFException ex = new CFException();
1240	<
1241	<	f.completeExceptionally(ex);
1242	<	g.complete(v1);
1243	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1592	>	final FailingFunction[] rs = new FailingFunction[4];
1593	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1594
1595	<	checkCompletedWithWrappedCFException(h, ex);
1596	<	checkCompletedWithWrappedCFException(f, ex);
1597	<	assertEquals(0, r.invocationCount);
1598	<	checkCompletedNormally(g, v1);
1599	<	}
1600	<	}
1595	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1596	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1597	>	assertTrue(f.complete(v1));
1598	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1599	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1600	>
1601	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1602	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1603	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1604	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1605	>	checkCompletedNormally(f, v1);
1606	>	}}
1607
1608		/**
1609	<	* thenCombine result completes exceptionally if action does
1609	>	* thenAccept result completes normally after normal completion of source
1610		*/
1611	<	public void testThenCombine_actionFailed1() {
1611	>	public void testThenAccept_normalCompletion() {
1612		for (ExecutionMode m : ExecutionMode.values())
1613		for (Integer v1 : new Integer[] { 1, null })
1614	<	for (Integer v2 : new Integer[] { 2, null }) {
1259	<
1614	>	{
1615		final CompletableFuture<Integer> f = new CompletableFuture<>();
1616	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1617	<	final FailingBiFunction r = new FailingBiFunction();
1263	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1264	<
1265	<	f.complete(v1);
1266	<	checkIncomplete(h);
1267	<	g.complete(v2);
1616	>	final NoopConsumer[] rs = new NoopConsumer[4];
1617	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1618
1619	<	checkCompletedWithWrappedCFException(h);
1619	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1620	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1621	>	checkIncomplete(h0);
1622	>	checkIncomplete(h1);
1623	>	assertTrue(f.complete(v1));
1624	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1625	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1626	>
1627	>	checkCompletedNormally(h0, null);
1628	>	checkCompletedNormally(h1, null);
1629	>	checkCompletedNormally(h2, null);
1630	>	checkCompletedNormally(h3, null);
1631		checkCompletedNormally(f, v1);
1632	<	checkCompletedNormally(g, v2);
1633	<	}
1273	<	}
1632	>	for (NoopConsumer r : rs) r.assertValue(v1);
1633	>	}}
1634
1635	<	public void testThenCombine_actionFailed2() {
1635	>	/**
1636	>	* thenAccept result completes exceptionally after exceptional
1637	>	* completion of source
1638	>	*/
1639	>	public void testThenAccept_exceptionalCompletion() {
1640		for (ExecutionMode m : ExecutionMode.values())
1641	<	for (Integer v1 : new Integer[] { 1, null })
1642	<	for (Integer v2 : new Integer[] { 2, null }) {
1279	<
1641	>	{
1642	>	final CFException ex = new CFException();
1643		final CompletableFuture<Integer> f = new CompletableFuture<>();
1644	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1645	<	final FailingBiFunction r = new FailingBiFunction();
1283	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1644	>	final NoopConsumer[] rs = new NoopConsumer[4];
1645	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1646
1647	<	g.complete(v2);
1648	<	checkIncomplete(h);
1649	<	f.complete(v1);
1650	<
1651	<	checkCompletedWithWrappedCFException(h);
1652	<	checkCompletedNormally(f, v1);
1653	<	checkCompletedNormally(g, v2);
1654	<	}
1655	<	}
1647	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1648	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1649	>	assertTrue(f.completeExceptionally(ex));
1650	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1651	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1652	>
1653	>	checkCompletedWithWrappedException(h0, ex);
1654	>	checkCompletedWithWrappedException(h1, ex);
1655	>	checkCompletedWithWrappedException(h2, ex);
1656	>	checkCompletedWithWrappedException(h3, ex);
1657	>	checkCompletedExceptionally(f, ex);
1658	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1659	>	}}
1660
1661		/**
1662	<	* thenCombine result completes exceptionally if either source cancelled
1662	>	* thenAccept result completes exceptionally if source cancelled
1663		*/
1664	<	public void testThenCombine_sourceCancelled1() {
1664	>	public void testThenAccept_sourceCancelled() {
1665		for (ExecutionMode m : ExecutionMode.values())
1666		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1667	<	for (Integer v1 : new Integer[] { 1, null }) {
1302	<
1667	>	{
1668		final CompletableFuture<Integer> f = new CompletableFuture<>();
1669	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1670	<	final SubtractFunction r = new SubtractFunction();
1306	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1669	>	final NoopConsumer[] rs = new NoopConsumer[4];
1670	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1671
1672	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1673	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1674		assertTrue(f.cancel(mayInterruptIfRunning));
1675	<	checkIncomplete(h);
1676	<	g.complete(v1);
1675	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1676	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1677
1678	<	checkCompletedWithWrappedCancellationException(h);
1678	>	checkCompletedWithWrappedCancellationException(h0);
1679	>	checkCompletedWithWrappedCancellationException(h1);
1680	>	checkCompletedWithWrappedCancellationException(h2);
1681	>	checkCompletedWithWrappedCancellationException(h3);
1682		checkCancelled(f);
1683	<	assertEquals(0, r.invocationCount);
1684	<	checkCompletedNormally(g, v1);
1316	<	}
1317	<	}
1683	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1684	>	}}
1685
1686	<	public void testThenCombine_sourceCancelled2() {
1686	>	/**
1687	>	* thenAccept result completes exceptionally if action does
1688	>	*/
1689	>	public void testThenAccept_actionFailed() {
1690		for (ExecutionMode m : ExecutionMode.values())
1691	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1692	<	for (Integer v1 : new Integer[] { 1, null }) {
1323	<
1691	>	for (Integer v1 : new Integer[] { 1, null })
1692	>	{
1693		final CompletableFuture<Integer> f = new CompletableFuture<>();
1694	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1695	<	final SubtractFunction r = new SubtractFunction();
1327	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1328	<
1329	<	assertTrue(g.cancel(mayInterruptIfRunning));
1330	<	checkIncomplete(h);
1331	<	f.complete(v1);
1694	>	final FailingConsumer[] rs = new FailingConsumer[4];
1695	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1696
1697	<	checkCompletedWithWrappedCancellationException(h);
1698	<	checkCancelled(g);
1699	<	assertEquals(0, r.invocationCount);
1697	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1698	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1699	>	assertTrue(f.complete(v1));
1700	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1701	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1702	>
1703	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1704	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1705	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1706	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1707		checkCompletedNormally(f, v1);
1708	<	}
1338	<	}
1708	>	}}
1709
1710	<	public void testThenCombine_sourceCancelled3() {
1710	>	/**
1711	>	* thenCombine result completes normally after normal completion
1712	>	* of sources
1713	>	*/
1714	>	public void testThenCombine_normalCompletion() {
1715		for (ExecutionMode m : ExecutionMode.values())
1716	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1717	<	for (Integer v1 : new Integer[] { 1, null }) {
1718	<
1716	>	for (boolean fFirst : new boolean[] { true, false })
1717	>	for (Integer v1 : new Integer[] { 1, null })
1718	>	for (Integer v2 : new Integer[] { 2, null })
1719	>	{
1720		final CompletableFuture<Integer> f = new CompletableFuture<>();
1721		final CompletableFuture<Integer> g = new CompletableFuture<>();
1722	<	final SubtractFunction r = new SubtractFunction();
1722	>	final SubtractFunction[] rs = new SubtractFunction[6];
1723	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1724
1725	<	assertTrue(g.cancel(mayInterruptIfRunning));
1726	<	f.complete(v1);
1727	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1725	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1726	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1727	>	final Integer w1 =  fFirst ? v1 : v2;
1728	>	final Integer w2 = !fFirst ? v1 : v2;
1729	>
1730	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1731	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1732	>	assertTrue(fst.complete(w1));
1733	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1734	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1735	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1736	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1737	>	checkCompletedNormally(h1, subtract(w1, w1));
1738	>	checkCompletedNormally(h3, subtract(w1, w1));
1739	>	rs[1].assertValue(subtract(w1, w1));
1740	>	rs[3].assertValue(subtract(w1, w1));
1741	>	assertTrue(snd.complete(w2));
1742	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1743	>
1744	>	checkCompletedNormally(h0, subtract(v1, v2));
1745	>	checkCompletedNormally(h2, subtract(v1, v2));
1746	>	checkCompletedNormally(h4, subtract(v1, v2));
1747	>	rs[0].assertValue(subtract(v1, v2));
1748	>	rs[2].assertValue(subtract(v1, v2));
1749	>	rs[4].assertValue(subtract(v1, v2));
1750
1353	–	checkCompletedWithWrappedCancellationException(h);
1354	–	checkCancelled(g);
1355	–	assertEquals(0, r.invocationCount);
1751		checkCompletedNormally(f, v1);
1752	<	}
1753	<	}
1359	<
1360	<	public void testThenCombine_sourceCancelled4() {
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	<
1369	<	assertTrue(f.cancel(mayInterruptIfRunning));
1370	<	g.complete(v1);
1371	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1372	<
1373	<	checkCompletedWithWrappedCancellationException(h);
1374	<	checkCancelled(f);
1375	<	assertEquals(0, r.invocationCount);
1376	<	checkCompletedNormally(g, v1);
1377	<	}
1378	<	}
1752	>	checkCompletedNormally(g, v2);
1753	>	}}
1754
1755		/**
1756	<	* thenAcceptBoth result completes normally after normal
1757	<	* completion of sources
1756	>	* thenCombine result completes exceptionally after exceptional
1757	>	* completion of either source
1758		*/
1759	<	public void testThenAcceptBoth_normalCompletion1() {
1759	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1760		for (ExecutionMode m : ExecutionMode.values())
1761	+	for (boolean fFirst : new boolean[] { true, false })
1762	+	for (boolean failFirst : new boolean[] { true, false })
1763		for (Integer v1 : new Integer[] { 1, null })
1764	<	for (Integer v2 : new Integer[] { 2, null }) {
1388	<
1764	>	{
1765		final CompletableFuture<Integer> f = new CompletableFuture<>();
1766		final CompletableFuture<Integer> g = new CompletableFuture<>();
1767	<	final SubtractAction r = new SubtractAction();
1768	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1769	<
1770	<	f.complete(v1);
1771	<	checkIncomplete(h);
1772	<	assertEquals(0, r.invocationCount);
1773	<	g.complete(v2);
1774	<
1775	<	checkCompletedNormally(h, null);
1776	<	assertEquals(subtract(v1, v2), r.value);
1777	<	checkCompletedNormally(f, v1);
1778	<	checkCompletedNormally(g, v2);
1779	<	}
1780	<	}
1767	>	final CFException ex = new CFException();
1768	>	final SubtractFunction r1 = new SubtractFunction(m);
1769	>	final SubtractFunction r2 = new SubtractFunction(m);
1770	>	final SubtractFunction r3 = new SubtractFunction(m);
1771	>
1772	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1773	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1774	>	final Callable<Boolean> complete1 = failFirst ?
1775	>	() -> fst.completeExceptionally(ex) :
1776	>	() -> fst.complete(v1);
1777	>	final Callable<Boolean> complete2 = failFirst ?
1778	>	() -> snd.complete(v1) :
1779	>	() -> snd.completeExceptionally(ex);
1780	>
1781	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1782	>	assertTrue(complete1.call());
1783	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1784	>	checkIncomplete(h1);
1785	>	checkIncomplete(h2);
1786	>	assertTrue(complete2.call());
1787	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1788	>
1789	>	checkCompletedWithWrappedException(h1, ex);
1790	>	checkCompletedWithWrappedException(h2, ex);
1791	>	checkCompletedWithWrappedException(h3, ex);
1792	>	r1.assertNotInvoked();
1793	>	r2.assertNotInvoked();
1794	>	r3.assertNotInvoked();
1795	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1796	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1797	>	}}
1798
1799	<	public void testThenAcceptBoth_normalCompletion2() {
1799	>	/**
1800	>	* thenCombine result completes exceptionally if either source cancelled
1801	>	*/
1802	>	public void testThenCombine_sourceCancelled() throws Throwable {
1803		for (ExecutionMode m : ExecutionMode.values())
1804	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1805	+	for (boolean fFirst : new boolean[] { true, false })
1806	+	for (boolean failFirst : new boolean[] { true, false })
1807		for (Integer v1 : new Integer[] { 1, null })
1808	<	for (Integer v2 : new Integer[] { 2, null }) {
1410	<
1808	>	{
1809		final CompletableFuture<Integer> f = new CompletableFuture<>();
1810		final CompletableFuture<Integer> g = new CompletableFuture<>();
1811	<	final SubtractAction r = new SubtractAction();
1812	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1813	<
1814	<	g.complete(v2);
1815	<	checkIncomplete(h);
1816	<	assertEquals(0, r.invocationCount);
1817	<	f.complete(v1);
1818	<
1819	<	checkCompletedNormally(h, null);
1820	<	assertEquals(subtract(v1, v2), r.value);
1821	<	checkCompletedNormally(f, v1);
1822	<	checkCompletedNormally(g, v2);
1823	<	}
1824	<	}
1811	>	final SubtractFunction r1 = new SubtractFunction(m);
1812	>	final SubtractFunction r2 = new SubtractFunction(m);
1813	>	final SubtractFunction r3 = new SubtractFunction(m);
1814	>
1815	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1816	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1817	>	final Callable<Boolean> complete1 = failFirst ?
1818	>	() -> fst.cancel(mayInterruptIfRunning) :
1819	>	() -> fst.complete(v1);
1820	>	final Callable<Boolean> complete2 = failFirst ?
1821	>	() -> snd.complete(v1) :
1822	>	() -> snd.cancel(mayInterruptIfRunning);
1823	>
1824	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1825	>	assertTrue(complete1.call());
1826	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1827	>	checkIncomplete(h1);
1828	>	checkIncomplete(h2);
1829	>	assertTrue(complete2.call());
1830	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1831	>
1832	>	checkCompletedWithWrappedCancellationException(h1);
1833	>	checkCompletedWithWrappedCancellationException(h2);
1834	>	checkCompletedWithWrappedCancellationException(h3);
1835	>	r1.assertNotInvoked();
1836	>	r2.assertNotInvoked();
1837	>	r3.assertNotInvoked();
1838	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1839	>	checkCancelled(failFirst ? fst : snd);
1840	>	}}
1841
1842	<	public void testThenAcceptBoth_normalCompletion3() {
1842	>	/**
1843	>	* thenCombine result completes exceptionally if action does
1844	>	*/
1845	>	public void testThenCombine_actionFailed() {
1846		for (ExecutionMode m : ExecutionMode.values())
1847	+	for (boolean fFirst : new boolean[] { true, false })
1848		for (Integer v1 : new Integer[] { 1, null })
1849	<	for (Integer v2 : new Integer[] { 2, null }) {
1850	<
1849	>	for (Integer v2 : new Integer[] { 2, null })
1850	>	{
1851		final CompletableFuture<Integer> f = new CompletableFuture<>();
1852		final CompletableFuture<Integer> g = new CompletableFuture<>();
1853	<	final SubtractAction r = new SubtractAction();
1854	<
1855	<	g.complete(v2);
1856	<	f.complete(v1);
1857	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1858	<
1859	<	checkCompletedNormally(h, null);
1860	<	assertEquals(subtract(v1, v2), r.value);
1853	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1854	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1855	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1856	>
1857	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1858	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1859	>	final Integer w1 =  fFirst ? v1 : v2;
1860	>	final Integer w2 = !fFirst ? v1 : v2;
1861	>
1862	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1863	>	assertTrue(fst.complete(w1));
1864	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1865	>	assertTrue(snd.complete(w2));
1866	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1867	>
1868	>	checkCompletedWithWrappedException(h1, r1.ex);
1869	>	checkCompletedWithWrappedException(h2, r2.ex);
1870	>	checkCompletedWithWrappedException(h3, r3.ex);
1871	>	r1.assertInvoked();
1872	>	r2.assertInvoked();
1873	>	r3.assertInvoked();
1874		checkCompletedNormally(f, v1);
1875		checkCompletedNormally(g, v2);
1876	<	}
1446	<	}
1876	>	}}
1877
1878	<	public void testThenAcceptBoth_normalCompletion4() {
1878	>	/**
1879	>	* thenAcceptBoth result completes normally after normal
1880	>	* completion of sources
1881	>	*/
1882	>	public void testThenAcceptBoth_normalCompletion() {
1883		for (ExecutionMode m : ExecutionMode.values())
1884	+	for (boolean fFirst : new boolean[] { true, false })
1885		for (Integer v1 : new Integer[] { 1, null })
1886	<	for (Integer v2 : new Integer[] { 2, null }) {
1887	<
1886	>	for (Integer v2 : new Integer[] { 2, null })
1887	>	{
1888		final CompletableFuture<Integer> f = new CompletableFuture<>();
1889		final CompletableFuture<Integer> g = new CompletableFuture<>();
1890	<	final SubtractAction r = new SubtractAction();
1891	<
1892	<	f.complete(v1);
1893	<	g.complete(v2);
1894	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1895	<
1896	<	checkCompletedNormally(h, null);
1897	<	assertEquals(subtract(v1, v2), r.value);
1890	>	final SubtractAction r1 = new SubtractAction(m);
1891	>	final SubtractAction r2 = new SubtractAction(m);
1892	>	final SubtractAction r3 = new SubtractAction(m);
1893	>
1894	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1895	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1896	>	final Integer w1 =  fFirst ? v1 : v2;
1897	>	final Integer w2 = !fFirst ? v1 : v2;
1898	>
1899	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1900	>	assertTrue(fst.complete(w1));
1901	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1902	>	checkIncomplete(h1);
1903	>	checkIncomplete(h2);
1904	>	r1.assertNotInvoked();
1905	>	r2.assertNotInvoked();
1906	>	assertTrue(snd.complete(w2));
1907	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1908	>
1909	>	checkCompletedNormally(h1, null);
1910	>	checkCompletedNormally(h2, null);
1911	>	checkCompletedNormally(h3, null);
1912	>	r1.assertValue(subtract(v1, v2));
1913	>	r2.assertValue(subtract(v1, v2));
1914	>	r3.assertValue(subtract(v1, v2));
1915		checkCompletedNormally(f, v1);
1916		checkCompletedNormally(g, v2);
1917	<	}
1466	<	}
1917	>	}}
1918
1919		/**
1920		* thenAcceptBoth result completes exceptionally after exceptional
1921		* completion of either source
1922		*/
1923	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1923	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1924		for (ExecutionMode m : ExecutionMode.values())
1925	<	for (Integer v1 : new Integer[] { 1, null }) {
1926	<
1927	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1928	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1478	<	final SubtractAction r = new SubtractAction();
1479	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1480	<	final CFException ex = new CFException();
1481	<
1482	<	f.completeExceptionally(ex);
1483	<	checkIncomplete(h);
1484	<	g.complete(v1);
1485	<
1486	<	checkCompletedWithWrappedCFException(h, ex);
1487	<	checkCompletedWithWrappedCFException(f, ex);
1488	<	assertEquals(0, r.invocationCount);
1489	<	checkCompletedNormally(g, v1);
1490	<	}
1491	<	}
1492	<
1493	<	public void testThenAcceptBoth_exceptionalCompletion2() {
1494	<	for (ExecutionMode m : ExecutionMode.values())
1495	<	for (Integer v1 : new Integer[] { 1, null }) {
1496	<
1497	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1498	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1499	<	final SubtractAction r = new SubtractAction();
1500	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1501	<	final CFException ex = new CFException();
1502	<
1503	<	g.completeExceptionally(ex);
1504	<	checkIncomplete(h);
1505	<	f.complete(v1);
1506	<
1507	<	checkCompletedWithWrappedCFException(h, ex);
1508	<	checkCompletedWithWrappedCFException(g, ex);
1509	<	assertEquals(0, r.invocationCount);
1510	<	checkCompletedNormally(f, v1);
1511	<	}
1512	<	}
1513	<
1514	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1515	<	for (ExecutionMode m : ExecutionMode.values())
1516	<	for (Integer v1 : new Integer[] { 1, null }) {
1517	<
1925	>	for (boolean fFirst : new boolean[] { true, false })
1926	>	for (boolean failFirst : new boolean[] { true, false })
1927	>	for (Integer v1 : new Integer[] { 1, null })
1928	>	{
1929		final CompletableFuture<Integer> f = new CompletableFuture<>();
1930		final CompletableFuture<Integer> g = new CompletableFuture<>();
1520	–	final SubtractAction r = new SubtractAction();
1931		final CFException ex = new CFException();
1932	+	final SubtractAction r1 = new SubtractAction(m);
1933	+	final SubtractAction r2 = new SubtractAction(m);
1934	+	final SubtractAction r3 = new SubtractAction(m);
1935	+
1936	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1937	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1938	+	final Callable<Boolean> complete1 = failFirst ?
1939	+	() -> fst.completeExceptionally(ex) :
1940	+	() -> fst.complete(v1);
1941	+	final Callable<Boolean> complete2 = failFirst ?
1942	+	() -> snd.complete(v1) :
1943	+	() -> snd.completeExceptionally(ex);
1944	+
1945	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1946	+	assertTrue(complete1.call());
1947	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1948	+	checkIncomplete(h1);
1949	+	checkIncomplete(h2);
1950	+	assertTrue(complete2.call());
1951	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1952	+
1953	+	checkCompletedWithWrappedException(h1, ex);
1954	+	checkCompletedWithWrappedException(h2, ex);
1955	+	checkCompletedWithWrappedException(h3, ex);
1956	+	r1.assertNotInvoked();
1957	+	r2.assertNotInvoked();
1958	+	r3.assertNotInvoked();
1959	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1960	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1961	+	}}
1962
1963	<	g.completeExceptionally(ex);
1964	<	f.complete(v1);
1965	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1966	<
1527	<	checkCompletedWithWrappedCFException(h, ex);
1528	<	checkCompletedWithWrappedCFException(g, ex);
1529	<	assertEquals(0, r.invocationCount);
1530	<	checkCompletedNormally(f, v1);
1531	<	}
1532	<	}
1533	<
1534	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1963	>	/**
1964	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1965	>	*/
1966	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1967		for (ExecutionMode m : ExecutionMode.values())
1968	<	for (Integer v1 : new Integer[] { 1, null }) {
1969	<
1968	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1969	>	for (boolean fFirst : new boolean[] { true, false })
1970	>	for (boolean failFirst : new boolean[] { true, false })
1971	>	for (Integer v1 : new Integer[] { 1, null })
1972	>	{
1973		final CompletableFuture<Integer> f = new CompletableFuture<>();
1974		final CompletableFuture<Integer> g = new CompletableFuture<>();
1975	<	final SubtractAction r = new SubtractAction();
1976	<	final CFException ex = new CFException();
1977	<
1978	<	f.completeExceptionally(ex);
1979	<	g.complete(v1);
1980	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1981	<
1982	<	checkCompletedWithWrappedCFException(h, ex);
1983	<	checkCompletedWithWrappedCFException(f, ex);
1984	<	assertEquals(0, r.invocationCount);
1985	<	checkCompletedNormally(g, v1);
1986	<	}
1987	<	}
1975	>	final SubtractAction r1 = new SubtractAction(m);
1976	>	final SubtractAction r2 = new SubtractAction(m);
1977	>	final SubtractAction r3 = new SubtractAction(m);
1978	>
1979	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1980	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1981	>	final Callable<Boolean> complete1 = failFirst ?
1982	>	() -> fst.cancel(mayInterruptIfRunning) :
1983	>	() -> fst.complete(v1);
1984	>	final Callable<Boolean> complete2 = failFirst ?
1985	>	() -> snd.complete(v1) :
1986	>	() -> snd.cancel(mayInterruptIfRunning);
1987	>
1988	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1989	>	assertTrue(complete1.call());
1990	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1991	>	checkIncomplete(h1);
1992	>	checkIncomplete(h2);
1993	>	assertTrue(complete2.call());
1994	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1995	>
1996	>	checkCompletedWithWrappedCancellationException(h1);
1997	>	checkCompletedWithWrappedCancellationException(h2);
1998	>	checkCompletedWithWrappedCancellationException(h3);
1999	>	r1.assertNotInvoked();
2000	>	r2.assertNotInvoked();
2001	>	r3.assertNotInvoked();
2002	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2003	>	checkCancelled(failFirst ? fst : snd);
2004	>	}}
2005
2006		/**
2007		* thenAcceptBoth result completes exceptionally if action does
2008		*/
2009	<	public void testThenAcceptBoth_actionFailed1() {
2009	>	public void testThenAcceptBoth_actionFailed() {
2010		for (ExecutionMode m : ExecutionMode.values())
2011	+	for (boolean fFirst : new boolean[] { true, false })
2012		for (Integer v1 : new Integer[] { 1, null })
2013	<	for (Integer v2 : new Integer[] { 2, null }) {
2014	<
2013	>	for (Integer v2 : new Integer[] { 2, null })
2014	>	{
2015		final CompletableFuture<Integer> f = new CompletableFuture<>();
2016		final CompletableFuture<Integer> g = new CompletableFuture<>();
2017	<	final FailingBiConsumer r = new FailingBiConsumer();
2018	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2019	<
2020	<	f.complete(v1);
2021	<	checkIncomplete(h);
2022	<	g.complete(v2);
2023	<
2024	<	checkCompletedWithWrappedCFException(h);
2017	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2018	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2019	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2020	>
2021	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2022	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2023	>	final Integer w1 =  fFirst ? v1 : v2;
2024	>	final Integer w2 = !fFirst ? v1 : v2;
2025	>
2026	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2027	>	assertTrue(fst.complete(w1));
2028	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2029	>	assertTrue(snd.complete(w2));
2030	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2031	>
2032	>	checkCompletedWithWrappedException(h1, r1.ex);
2033	>	checkCompletedWithWrappedException(h2, r2.ex);
2034	>	checkCompletedWithWrappedException(h3, r3.ex);
2035	>	r1.assertInvoked();
2036	>	r2.assertInvoked();
2037	>	r3.assertInvoked();
2038		checkCompletedNormally(f, v1);
2039		checkCompletedNormally(g, v2);
2040	<	}
1575	<	}
2040	>	}}
2041
2042	<	public void testThenAcceptBoth_actionFailed2() {
2042	>	/**
2043	>	* runAfterBoth result completes normally after normal
2044	>	* completion of sources
2045	>	*/
2046	>	public void testRunAfterBoth_normalCompletion() {
2047		for (ExecutionMode m : ExecutionMode.values())
2048	+	for (boolean fFirst : new boolean[] { true, false })
2049		for (Integer v1 : new Integer[] { 1, null })
2050	<	for (Integer v2 : new Integer[] { 2, null }) {
2051	<
2050	>	for (Integer v2 : new Integer[] { 2, null })
2051	>	{
2052		final CompletableFuture<Integer> f = new CompletableFuture<>();
2053		final CompletableFuture<Integer> g = new CompletableFuture<>();
2054	<	final FailingBiConsumer r = new FailingBiConsumer();
2055	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2056	<
2057	<	g.complete(v2);
2058	<	checkIncomplete(h);
2059	<	f.complete(v1);
2060	<
2061	<	checkCompletedWithWrappedCFException(h);
2054	>	final Noop r1 = new Noop(m);
2055	>	final Noop r2 = new Noop(m);
2056	>	final Noop r3 = new Noop(m);
2057	>
2058	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2059	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2060	>	final Integer w1 =  fFirst ? v1 : v2;
2061	>	final Integer w2 = !fFirst ? v1 : v2;
2062	>
2063	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2064	>	assertTrue(fst.complete(w1));
2065	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2066	>	checkIncomplete(h1);
2067	>	checkIncomplete(h2);
2068	>	r1.assertNotInvoked();
2069	>	r2.assertNotInvoked();
2070	>	assertTrue(snd.complete(w2));
2071	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2072	>
2073	>	checkCompletedNormally(h1, null);
2074	>	checkCompletedNormally(h2, null);
2075	>	checkCompletedNormally(h3, null);
2076	>	r1.assertInvoked();
2077	>	r2.assertInvoked();
2078	>	r3.assertInvoked();
2079		checkCompletedNormally(f, v1);
2080		checkCompletedNormally(g, v2);
2081	<	}
1595	<	}
2081	>	}}
2082
2083		/**
2084	<	* thenAcceptBoth result completes exceptionally if either source cancelled
2084	>	* runAfterBoth result completes exceptionally after exceptional
2085	>	* completion of either source
2086		*/
2087	<	public void testThenAcceptBoth_sourceCancelled1() {
1601	<	for (ExecutionMode m : ExecutionMode.values())
1602	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1603	<	for (Integer v1 : new Integer[] { 1, null }) {
1604	<
1605	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1606	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1607	<	final SubtractAction r = new SubtractAction();
1608	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1609	<
1610	<	assertTrue(f.cancel(mayInterruptIfRunning));
1611	<	checkIncomplete(h);
1612	<	g.complete(v1);
1613	<
1614	<	checkCompletedWithWrappedCancellationException(h);
1615	<	checkCancelled(f);
1616	<	assertEquals(0, r.invocationCount);
1617	<	checkCompletedNormally(g, v1);
1618	<	}
1619	<	}
1620	<
1621	<	public void testThenAcceptBoth_sourceCancelled2() {
2087	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2088		for (ExecutionMode m : ExecutionMode.values())
2089	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2090	<	for (Integer v1 : new Integer[] { 1, null }) {
2091	<
2092	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1627	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1628	<	final SubtractAction r = new SubtractAction();
1629	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1630	<
1631	<	assertTrue(g.cancel(mayInterruptIfRunning));
1632	<	checkIncomplete(h);
1633	<	f.complete(v1);
1634	<
1635	<	checkCompletedWithWrappedCancellationException(h);
1636	<	checkCancelled(g);
1637	<	assertEquals(0, r.invocationCount);
1638	<	checkCompletedNormally(f, v1);
1639	<	}
1640	<	}
1641	<
1642	<	public void testThenAcceptBoth_sourceCancelled3() {
1643	<	for (ExecutionMode m : ExecutionMode.values())
1644	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1645	<	for (Integer v1 : new Integer[] { 1, null }) {
1646	<
2089	>	for (boolean fFirst : new boolean[] { true, false })
2090	>	for (boolean failFirst : new boolean[] { true, false })
2091	>	for (Integer v1 : new Integer[] { 1, null })
2092	>	{
2093		final CompletableFuture<Integer> f = new CompletableFuture<>();
2094		final CompletableFuture<Integer> g = new CompletableFuture<>();
2095	<	final SubtractAction r = new SubtractAction();
2096	<
2097	<	assertTrue(g.cancel(mayInterruptIfRunning));
2098	<	f.complete(v1);
2099	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2100	<
2101	<	checkCompletedWithWrappedCancellationException(h);
2102	<	checkCancelled(g);
2103	<	assertEquals(0, r.invocationCount);
2104	<	checkCompletedNormally(f, v1);
2105	<	}
2106	<	}
2095	>	final CFException ex = new CFException();
2096	>	final Noop r1 = new Noop(m);
2097	>	final Noop r2 = new Noop(m);
2098	>	final Noop r3 = new Noop(m);
2099	>
2100	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2101	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2102	>	final Callable<Boolean> complete1 = failFirst ?
2103	>	() -> fst.completeExceptionally(ex) :
2104	>	() -> fst.complete(v1);
2105	>	final Callable<Boolean> complete2 = failFirst ?
2106	>	() -> snd.complete(v1) :
2107	>	() -> snd.completeExceptionally(ex);
2108	>
2109	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2110	>	assertTrue(complete1.call());
2111	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2112	>	checkIncomplete(h1);
2113	>	checkIncomplete(h2);
2114	>	assertTrue(complete2.call());
2115	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2116	>
2117	>	checkCompletedWithWrappedException(h1, ex);
2118	>	checkCompletedWithWrappedException(h2, ex);
2119	>	checkCompletedWithWrappedException(h3, ex);
2120	>	r1.assertNotInvoked();
2121	>	r2.assertNotInvoked();
2122	>	r3.assertNotInvoked();
2123	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2124	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2125	>	}}
2126
2127	<	public void testThenAcceptBoth_sourceCancelled4() {
2127	>	/**
2128	>	* runAfterBoth result completes exceptionally if either source cancelled
2129	>	*/
2130	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2131		for (ExecutionMode m : ExecutionMode.values())
2132		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2133	<	for (Integer v1 : new Integer[] { 1, null }) {
2134	<
2133	>	for (boolean fFirst : new boolean[] { true, false })
2134	>	for (boolean failFirst : new boolean[] { true, false })
2135	>	for (Integer v1 : new Integer[] { 1, null })
2136	>	{
2137		final CompletableFuture<Integer> f = new CompletableFuture<>();
2138		final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	<	final SubtractAction r = new SubtractAction();
2140	<
2141	<	assertTrue(f.cancel(mayInterruptIfRunning));
2142	<	g.complete(v1);
2143	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2144	<
2145	<	checkCompletedWithWrappedCancellationException(h);
2146	<	checkCancelled(f);
2147	<	assertEquals(0, r.invocationCount);
2148	<	checkCompletedNormally(g, v1);
2149	<	}
2150	<	}
2139	>	final Noop r1 = new Noop(m);
2140	>	final Noop r2 = new Noop(m);
2141	>	final Noop r3 = new Noop(m);
2142	>
2143	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2144	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2145	>	final Callable<Boolean> complete1 = failFirst ?
2146	>	() -> fst.cancel(mayInterruptIfRunning) :
2147	>	() -> fst.complete(v1);
2148	>	final Callable<Boolean> complete2 = failFirst ?
2149	>	() -> snd.complete(v1) :
2150	>	() -> snd.cancel(mayInterruptIfRunning);
2151	>
2152	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2153	>	assertTrue(complete1.call());
2154	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2155	>	checkIncomplete(h1);
2156	>	checkIncomplete(h2);
2157	>	assertTrue(complete2.call());
2158	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2159	>
2160	>	checkCompletedWithWrappedCancellationException(h1);
2161	>	checkCompletedWithWrappedCancellationException(h2);
2162	>	checkCompletedWithWrappedCancellationException(h3);
2163	>	r1.assertNotInvoked();
2164	>	r2.assertNotInvoked();
2165	>	r3.assertNotInvoked();
2166	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2167	>	checkCancelled(failFirst ? fst : snd);
2168	>	}}
2169
2170		/**
2171	<	* runAfterBoth result completes normally after normal
1684	<	* completion of sources
2171	>	* runAfterBoth result completes exceptionally if action does
2172		*/
2173	<	public void testRunAfterBoth_normalCompletion1() {
2173	>	public void testRunAfterBoth_actionFailed() {
2174		for (ExecutionMode m : ExecutionMode.values())
2175	+	for (boolean fFirst : new boolean[] { true, false })
2176		for (Integer v1 : new Integer[] { 1, null })
2177	<	for (Integer v2 : new Integer[] { 2, null }) {
2178	<
2177	>	for (Integer v2 : new Integer[] { 2, null })
2178	>	{
2179		final CompletableFuture<Integer> f = new CompletableFuture<>();
2180		final CompletableFuture<Integer> g = new CompletableFuture<>();
2181	<	final Noop r = new Noop();
2182	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2183	<
2184	<	f.complete(v1);
2185	<	checkIncomplete(h);
2186	<	assertEquals(0, r.invocationCount);
2187	<	g.complete(v2);
2188	<
2189	<	checkCompletedNormally(h, null);
2190	<	assertEquals(1, r.invocationCount);
2181	>	final FailingRunnable r1 = new FailingRunnable(m);
2182	>	final FailingRunnable r2 = new FailingRunnable(m);
2183	>	final FailingRunnable r3 = new FailingRunnable(m);
2184	>
2185	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2186	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2187	>	final Integer w1 =  fFirst ? v1 : v2;
2188	>	final Integer w2 = !fFirst ? v1 : v2;
2189	>
2190	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2191	>	assertTrue(fst.complete(w1));
2192	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2193	>	assertTrue(snd.complete(w2));
2194	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2195	>
2196	>	checkCompletedWithWrappedException(h1, r1.ex);
2197	>	checkCompletedWithWrappedException(h2, r2.ex);
2198	>	checkCompletedWithWrappedException(h3, r3.ex);
2199	>	r1.assertInvoked();
2200	>	r2.assertInvoked();
2201	>	r3.assertInvoked();
2202		checkCompletedNormally(f, v1);
2203		checkCompletedNormally(g, v2);
2204	<	}
1706	<	}
2204	>	}}
2205
2206	<	public void testRunAfterBoth_normalCompletion2() {
2206	>	/**
2207	>	* applyToEither result completes normally after normal completion
2208	>	* of either source
2209	>	*/
2210	>	public void testApplyToEither_normalCompletion() {
2211		for (ExecutionMode m : ExecutionMode.values())
2212		for (Integer v1 : new Integer[] { 1, null })
2213	<	for (Integer v2 : new Integer[] { 2, null }) {
2214	<
2213	>	for (Integer v2 : new Integer[] { 2, null })
2214	>	{
2215		final CompletableFuture<Integer> f = new CompletableFuture<>();
2216		final CompletableFuture<Integer> g = new CompletableFuture<>();
2217	<	final Noop r = new Noop();
2218	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2217	>	final IncFunction[] rs = new IncFunction[6];
2218	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2219
2220	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2221	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2222	+	checkIncomplete(h0);
2223	+	checkIncomplete(h1);
2224	+	rs[0].assertNotInvoked();
2225	+	rs[1].assertNotInvoked();
2226	+	f.complete(v1);
2227	+	checkCompletedNormally(h0, inc(v1));
2228	+	checkCompletedNormally(h1, inc(v1));
2229	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2230	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2231	+	checkCompletedNormally(h2, inc(v1));
2232	+	checkCompletedNormally(h3, inc(v1));
2233		g.complete(v2);
1719	–	checkIncomplete(h);
1720	–	assertEquals(0, r.invocationCount);
1721	–	f.complete(v1);
2234
2235	<	checkCompletedNormally(h, null);
2236	<	assertEquals(1, r.invocationCount);
2237	<	checkCompletedNormally(f, v1);
2238	<	checkCompletedNormally(g, v2);
2239	<	}
2240	<	}
2241	<
2242	<	public void testRunAfterBoth_normalCompletion3() {
2243	<	for (ExecutionMode m : ExecutionMode.values())
1732	<	for (Integer v1 : new Integer[] { 1, null })
1733	<	for (Integer v2 : new Integer[] { 2, null }) {
1734	<
1735	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1736	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1737	<	final Noop r = new Noop();
1738	<
1739	<	g.complete(v2);
1740	<	f.complete(v1);
1741	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2235	>	// unspecified behavior - both source completions available
2236	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2237	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2238	>	rs[4].assertValue(h4.join());
2239	>	rs[5].assertValue(h5.join());
2240	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2241	>	Objects.equals(inc(v2), h4.join()));
2242	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2243	>	Objects.equals(inc(v2), h5.join()));
2244
1743	–	checkCompletedNormally(h, null);
1744	–	assertEquals(1, r.invocationCount);
2245		checkCompletedNormally(f, v1);
2246		checkCompletedNormally(g, v2);
2247	<	}
2248	<	}
2249	<
2250	<	public void testRunAfterBoth_normalCompletion4() {
2251	<	for (ExecutionMode m : ExecutionMode.values())
2252	<	for (Integer v1 : new Integer[] { 1, null })
1753	<	for (Integer v2 : new Integer[] { 2, null }) {
1754	<
1755	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1756	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1757	<	final Noop r = new Noop();
1758	<
1759	<	f.complete(v1);
1760	<	g.complete(v2);
1761	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1762	<
1763	<	checkCompletedNormally(h, null);
1764	<	assertEquals(1, r.invocationCount);
1765	<	checkCompletedNormally(f, v1);
1766	<	checkCompletedNormally(g, v2);
1767	<	}
1768	<	}
2247	>	checkCompletedNormally(h0, inc(v1));
2248	>	checkCompletedNormally(h1, inc(v1));
2249	>	checkCompletedNormally(h2, inc(v1));
2250	>	checkCompletedNormally(h3, inc(v1));
2251	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2252	>	}}
2253
2254		/**
2255	<	* runAfterBoth result completes exceptionally after exceptional
2255	>	* applyToEither result completes exceptionally after exceptional
2256		* completion of either source
2257		*/
2258	<	public void testRunAfterBoth_exceptionalCompletion1() {
2258	>	public void testApplyToEither_exceptionalCompletion() {
2259		for (ExecutionMode m : ExecutionMode.values())
2260	<	for (Integer v1 : new Integer[] { 1, null }) {
2261	<
2260	>	for (Integer v1 : new Integer[] { 1, null })
2261	>	{
2262		final CompletableFuture<Integer> f = new CompletableFuture<>();
2263		final CompletableFuture<Integer> g = new CompletableFuture<>();
1780	–	final Noop r = new Noop();
1781	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2264		final CFException ex = new CFException();
2265	+	final IncFunction[] rs = new IncFunction[6];
2266	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2267
2268	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2269	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2270	+	checkIncomplete(h0);
2271	+	checkIncomplete(h1);
2272	+	rs[0].assertNotInvoked();
2273	+	rs[1].assertNotInvoked();
2274		f.completeExceptionally(ex);
2275	<	checkIncomplete(h);
2275	>	checkCompletedWithWrappedException(h0, ex);
2276	>	checkCompletedWithWrappedException(h1, ex);
2277	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2278	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2279	>	checkCompletedWithWrappedException(h2, ex);
2280	>	checkCompletedWithWrappedException(h3, ex);
2281		g.complete(v1);
2282
2283	<	checkCompletedWithWrappedCFException(h, ex);
2284	<	checkCompletedWithWrappedCFException(f, ex);
2285	<	assertEquals(0, r.invocationCount);
2286	<	checkCompletedNormally(g, v1);
2287	<	}
2288	<	}
2289	<
2290	<	public void testRunAfterBoth_exceptionalCompletion2() {
2291	<	for (ExecutionMode m : ExecutionMode.values())
1797	<	for (Integer v1 : new Integer[] { 1, null }) {
1798	<
1799	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1800	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1801	<	final Noop r = new Noop();
1802	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1803	<	final CFException ex = new CFException();
1804	<
1805	<	g.completeExceptionally(ex);
1806	<	checkIncomplete(h);
1807	<	f.complete(v1);
1808	<
1809	<	checkCompletedWithWrappedCFException(h, ex);
1810	<	checkCompletedWithWrappedCFException(g, ex);
1811	<	assertEquals(0, r.invocationCount);
1812	<	checkCompletedNormally(f, v1);
2283	>	// unspecified behavior - both source completions available
2284	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2285	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2286	>	try {
2287	>	assertEquals(inc(v1), h4.join());
2288	>	rs[4].assertValue(inc(v1));
2289	>	} catch (CompletionException ok) {
2290	>	checkCompletedWithWrappedException(h4, ex);
2291	>	rs[4].assertNotInvoked();
2292		}
2293	<	}
2294	<
2295	<	public void testRunAfterBoth_exceptionalCompletion3() {
2296	<	for (ExecutionMode m : ExecutionMode.values())
2297	<	for (Integer v1 : new Integer[] { 1, null }) {
2298	<
1820	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1821	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1822	<	final Noop r = new Noop();
1823	<	final CFException ex = new CFException();
1824	<
1825	<	g.completeExceptionally(ex);
1826	<	f.complete(v1);
1827	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1828	<
1829	<	checkCompletedWithWrappedCFException(h, ex);
1830	<	checkCompletedWithWrappedCFException(g, ex);
1831	<	assertEquals(0, r.invocationCount);
1832	<	checkCompletedNormally(f, v1);
2293	>	try {
2294	>	assertEquals(inc(v1), h5.join());
2295	>	rs[5].assertValue(inc(v1));
2296	>	} catch (CompletionException ok) {
2297	>	checkCompletedWithWrappedException(h5, ex);
2298	>	rs[5].assertNotInvoked();
2299		}
1834	–	}
1835	–
1836	–	public void testRunAfterBoth_exceptionalCompletion4() {
1837	–	for (ExecutionMode m : ExecutionMode.values())
1838	–	for (Integer v1 : new Integer[] { 1, null }) {
1839	–
1840	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1841	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1842	–	final Noop r = new Noop();
1843	–	final CFException ex = new CFException();
1844	–
1845	–	f.completeExceptionally(ex);
1846	–	g.complete(v1);
1847	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2300
2301	<	checkCompletedWithWrappedCFException(h, ex);
1850	<	checkCompletedWithWrappedCFException(f, ex);
1851	<	assertEquals(0, r.invocationCount);
2301	>	checkCompletedExceptionally(f, ex);
2302		checkCompletedNormally(g, v1);
2303	<	}
2304	<	}
2303	>	checkCompletedWithWrappedException(h0, ex);
2304	>	checkCompletedWithWrappedException(h1, ex);
2305	>	checkCompletedWithWrappedException(h2, ex);
2306	>	checkCompletedWithWrappedException(h3, ex);
2307	>	checkCompletedWithWrappedException(h4, ex);
2308	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2309	>	}}
2310
2311	<	/**
1857	<	* runAfterBoth result completes exceptionally if action does
1858	<	*/
1859	<	public void testRunAfterBoth_actionFailed1() {
2311	>	public void testApplyToEither_exceptionalCompletion2() {
2312		for (ExecutionMode m : ExecutionMode.values())
2313	+	for (boolean fFirst : new boolean[] { true, false })
2314		for (Integer v1 : new Integer[] { 1, null })
2315	<	for (Integer v2 : new Integer[] { 2, null }) {
1863	<
2315	>	{
2316		final CompletableFuture<Integer> f = new CompletableFuture<>();
2317		final CompletableFuture<Integer> g = new CompletableFuture<>();
2318	<	final FailingNoop r = new FailingNoop();
2319	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2318	>	final CFException ex = new CFException();
2319	>	final IncFunction[] rs = new IncFunction[6];
2320	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2321
2322	<	f.complete(v1);
2323	<	checkIncomplete(h);
2324	<	g.complete(v2);
2322	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2323	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2324	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2325	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2326	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2327	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2328
2329	<	checkCompletedWithWrappedCFException(h);
2330	<	checkCompletedNormally(f, v1);
2331	<	checkCompletedNormally(g, v2);
2329	>	// unspecified behavior - both source completions available
2330	>	try {
2331	>	assertEquals(inc(v1), h0.join());
2332	>	rs[0].assertValue(inc(v1));
2333	>	} catch (CompletionException ok) {
2334	>	checkCompletedWithWrappedException(h0, ex);
2335	>	rs[0].assertNotInvoked();
2336	>	}
2337	>	try {
2338	>	assertEquals(inc(v1), h1.join());
2339	>	rs[1].assertValue(inc(v1));
2340	>	} catch (CompletionException ok) {
2341	>	checkCompletedWithWrappedException(h1, ex);
2342	>	rs[1].assertNotInvoked();
2343	>	}
2344	>	try {
2345	>	assertEquals(inc(v1), h2.join());
2346	>	rs[2].assertValue(inc(v1));
2347	>	} catch (CompletionException ok) {
2348	>	checkCompletedWithWrappedException(h2, ex);
2349	>	rs[2].assertNotInvoked();
2350	>	}
2351	>	try {
2352	>	assertEquals(inc(v1), h3.join());
2353	>	rs[3].assertValue(inc(v1));
2354	>	} catch (CompletionException ok) {
2355	>	checkCompletedWithWrappedException(h3, ex);
2356	>	rs[3].assertNotInvoked();
2357		}
1877	–	}
1878	–
1879	–	public void testRunAfterBoth_actionFailed2() {
1880	–	for (ExecutionMode m : ExecutionMode.values())
1881	–	for (Integer v1 : new Integer[] { 1, null })
1882	–	for (Integer v2 : new Integer[] { 2, null }) {
1883	–
1884	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1885	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1886	–	final FailingNoop r = new FailingNoop();
1887	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1888	–
1889	–	g.complete(v2);
1890	–	checkIncomplete(h);
1891	–	f.complete(v1);
2358
1893	–	checkCompletedWithWrappedCFException(h);
2359		checkCompletedNormally(f, v1);
2360	<	checkCompletedNormally(g, v2);
2361	<	}
1897	<	}
2360	>	checkCompletedExceptionally(g, ex);
2361	>	}}
2362
2363		/**
2364	<	* runAfterBoth result completes exceptionally if either source cancelled
2364	>	* applyToEither result completes exceptionally if either source cancelled
2365		*/
2366	<	public void testRunAfterBoth_sourceCancelled1() {
2366	>	public void testApplyToEither_sourceCancelled() {
2367		for (ExecutionMode m : ExecutionMode.values())
2368		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2369	<	for (Integer v1 : new Integer[] { 1, null }) {
2370	<
2369	>	for (Integer v1 : new Integer[] { 1, null })
2370	>	{
2371		final CompletableFuture<Integer> f = new CompletableFuture<>();
2372		final CompletableFuture<Integer> g = new CompletableFuture<>();
2373	<	final Noop r = new Noop();
2374	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2373	>	final IncFunction[] rs = new IncFunction[6];
2374	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2375
2376	<	assertTrue(f.cancel(mayInterruptIfRunning));
2377	<	checkIncomplete(h);
2376	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2377	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2378	>	checkIncomplete(h0);
2379	>	checkIncomplete(h1);
2380	>	rs[0].assertNotInvoked();
2381	>	rs[1].assertNotInvoked();
2382	>	f.cancel(mayInterruptIfRunning);
2383	>	checkCompletedWithWrappedCancellationException(h0);
2384	>	checkCompletedWithWrappedCancellationException(h1);
2385	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2386	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2387	>	checkCompletedWithWrappedCancellationException(h2);
2388	>	checkCompletedWithWrappedCancellationException(h3);
2389		g.complete(v1);
2390
2391	<	checkCompletedWithWrappedCancellationException(h);
2391	>	// unspecified behavior - both source completions available
2392	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2393	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2394	>	try {
2395	>	assertEquals(inc(v1), h4.join());
2396	>	rs[4].assertValue(inc(v1));
2397	>	} catch (CompletionException ok) {
2398	>	checkCompletedWithWrappedCancellationException(h4);
2399	>	rs[4].assertNotInvoked();
2400	>	}
2401	>	try {
2402	>	assertEquals(inc(v1), h5.join());
2403	>	rs[5].assertValue(inc(v1));
2404	>	} catch (CompletionException ok) {
2405	>	checkCompletedWithWrappedCancellationException(h5);
2406	>	rs[5].assertNotInvoked();
2407	>	}
2408	>
2409		checkCancelled(f);
1918	–	assertEquals(0, r.invocationCount);
2410		checkCompletedNormally(g, v1);
2411	<	}
2412	<	}
2411	>	checkCompletedWithWrappedCancellationException(h0);
2412	>	checkCompletedWithWrappedCancellationException(h1);
2413	>	checkCompletedWithWrappedCancellationException(h2);
2414	>	checkCompletedWithWrappedCancellationException(h3);
2415	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2416	>	}}
2417
2418	<	public void testRunAfterBoth_sourceCancelled2() {
2418	>	public void testApplyToEither_sourceCancelled2() {
2419		for (ExecutionMode m : ExecutionMode.values())
2420		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2421	<	for (Integer v1 : new Integer[] { 1, null }) {
2422	<
2421	>	for (boolean fFirst : new boolean[] { true, false })
2422	>	for (Integer v1 : new Integer[] { 1, null })
2423	>	{
2424		final CompletableFuture<Integer> f = new CompletableFuture<>();
2425		final CompletableFuture<Integer> g = new CompletableFuture<>();
2426	<	final Noop r = new Noop();
2427	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2426	>	final IncFunction[] rs = new IncFunction[6];
2427	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2428
2429	<	assertTrue(g.cancel(mayInterruptIfRunning));
2430	<	checkIncomplete(h);
2431	<	f.complete(v1);
2429	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2430	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2431	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2432	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2433	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2434	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2435
2436	<	checkCompletedWithWrappedCancellationException(h);
2437	<	checkCancelled(g);
2438	<	assertEquals(0, r.invocationCount);
2439	<	checkCompletedNormally(f, v1);
2436	>	// unspecified behavior - both source completions available
2437	>	try {
2438	>	assertEquals(inc(v1), h0.join());
2439	>	rs[0].assertValue(inc(v1));
2440	>	} catch (CompletionException ok) {
2441	>	checkCompletedWithWrappedCancellationException(h0);
2442	>	rs[0].assertNotInvoked();
2443		}
2444	<	}
2445	<
2446	<	public void testRunAfterBoth_sourceCancelled3() {
2447	<	for (ExecutionMode m : ExecutionMode.values())
2448	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2449	<	for (Integer v1 : new Integer[] { 1, null }) {
1948	<
1949	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1950	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1951	<	final Noop r = new Noop();
1952	<
1953	<	assertTrue(g.cancel(mayInterruptIfRunning));
1954	<	f.complete(v1);
1955	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1956	<
1957	<	checkCompletedWithWrappedCancellationException(h);
1958	<	checkCancelled(g);
1959	<	assertEquals(0, r.invocationCount);
1960	<	checkCompletedNormally(f, v1);
2444	>	try {
2445	>	assertEquals(inc(v1), h1.join());
2446	>	rs[1].assertValue(inc(v1));
2447	>	} catch (CompletionException ok) {
2448	>	checkCompletedWithWrappedCancellationException(h1);
2449	>	rs[1].assertNotInvoked();
2450		}
2451	<	}
2452	<
2453	<	public void testRunAfterBoth_sourceCancelled4() {
2454	<	for (ExecutionMode m : ExecutionMode.values())
2455	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2456	<	for (Integer v1 : new Integer[] { 1, null }) {
2457	<
2458	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2459	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2460	<	final Noop r = new Noop();
2461	<
2462	<	assertTrue(f.cancel(mayInterruptIfRunning));
2463	<	g.complete(v1);
1975	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1976	<
1977	<	checkCompletedWithWrappedCancellationException(h);
1978	<	checkCancelled(f);
1979	<	assertEquals(0, r.invocationCount);
1980	<	checkCompletedNormally(g, v1);
2451	>	try {
2452	>	assertEquals(inc(v1), h2.join());
2453	>	rs[2].assertValue(inc(v1));
2454	>	} catch (CompletionException ok) {
2455	>	checkCompletedWithWrappedCancellationException(h2);
2456	>	rs[2].assertNotInvoked();
2457	>	}
2458	>	try {
2459	>	assertEquals(inc(v1), h3.join());
2460	>	rs[3].assertValue(inc(v1));
2461	>	} catch (CompletionException ok) {
2462	>	checkCompletedWithWrappedCancellationException(h3);
2463	>	rs[3].assertNotInvoked();
2464		}
2465	<	}
2465	>
2466	>	checkCompletedNormally(f, v1);
2467	>	checkCancelled(g);
2468	>	}}
2469
2470		/**
2471	<	* applyToEither result completes normally after normal completion
1986	<	* of either source
2471	>	* applyToEither result completes exceptionally if action does
2472		*/
2473	<	public void testApplyToEither_normalCompletion1() {
2473	>	public void testApplyToEither_actionFailed() {
2474		for (ExecutionMode m : ExecutionMode.values())
2475		for (Integer v1 : new Integer[] { 1, null })
2476	<	for (Integer v2 : new Integer[] { 2, null }) {
2477	<
2476	>	for (Integer v2 : new Integer[] { 2, null })
2477	>	{
2478		final CompletableFuture<Integer> f = new CompletableFuture<>();
2479		final CompletableFuture<Integer> g = new CompletableFuture<>();
2480	<	final IncFunction r = new IncFunction();
2481	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2480	>	final FailingFunction[] rs = new FailingFunction[6];
2481	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2482
2483	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2484	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2485		f.complete(v1);
2486	<	checkCompletedNormally(h, inc(v1));
2486	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2487	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2488	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2489	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2490	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2491	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2492	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2493	>
2494		g.complete(v2);
2495
2496	+	// unspecified behavior - both source completions available
2497	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2498	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2499	+
2500	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2501	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2502	+	Objects.equals(v2, rs[4].value));
2503	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2504	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2505	+	Objects.equals(v2, rs[5].value));
2506	+
2507		checkCompletedNormally(f, v1);
2508		checkCompletedNormally(g, v2);
2509	<	checkCompletedNormally(h, inc(v1));
2005	<	}
2006	<	}
2509	>	}}
2510
2511	<	public void testApplyToEither_normalCompletion2() {
2511	>	/**
2512	>	* acceptEither result completes normally after normal completion
2513	>	* of either source
2514	>	*/
2515	>	public void testAcceptEither_normalCompletion() {
2516		for (ExecutionMode m : ExecutionMode.values())
2517		for (Integer v1 : new Integer[] { 1, null })
2518	<	for (Integer v2 : new Integer[] { 2, null }) {
2519	<
2518	>	for (Integer v2 : new Integer[] { 2, null })
2519	>	{
2520		final CompletableFuture<Integer> f = new CompletableFuture<>();
2521		final CompletableFuture<Integer> g = new CompletableFuture<>();
2522	<	final IncFunction r = new IncFunction();
2523	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2522	>	final NoopConsumer[] rs = new NoopConsumer[6];
2523	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2524
2525	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2526	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2527	+	checkIncomplete(h0);
2528	+	checkIncomplete(h1);
2529	+	rs[0].assertNotInvoked();
2530	+	rs[1].assertNotInvoked();
2531	+	f.complete(v1);
2532	+	checkCompletedNormally(h0, null);
2533	+	checkCompletedNormally(h1, null);
2534	+	rs[0].assertValue(v1);
2535	+	rs[1].assertValue(v1);
2536	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2537	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2538	+	checkCompletedNormally(h2, null);
2539	+	checkCompletedNormally(h3, null);
2540	+	rs[2].assertValue(v1);
2541	+	rs[3].assertValue(v1);
2542		g.complete(v2);
2019	–	checkCompletedNormally(h, inc(v2));
2020	–	f.complete(v1);
2543
2544	<	checkCompletedNormally(f, v1);
2545	<	checkCompletedNormally(g, v2);
2546	<	checkCompletedNormally(h, inc(v2));
2547	<	}
2548	<	}
2549	<	public void testApplyToEither_normalCompletion3() {
2550	<	for (ExecutionMode m : ExecutionMode.values())
2551	<	for (Integer v1 : new Integer[] { 1, null })
2552	<	for (Integer v2 : new Integer[] { 2, null }) {
2031	<
2032	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2033	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2034	<	final IncFunction r = new IncFunction();
2035	<
2036	<	f.complete(v1);
2037	<	g.complete(v2);
2038	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2544	>	// unspecified behavior - both source completions available
2545	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2546	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2547	>	checkCompletedNormally(h4, null);
2548	>	checkCompletedNormally(h5, null);
2549	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2550	>	Objects.equals(v2, rs[4].value));
2551	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2552	>	Objects.equals(v2, rs[5].value));
2553
2554		checkCompletedNormally(f, v1);
2555		checkCompletedNormally(g, v2);
2556	<
2557	<	// unspecified behavior
2558	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2559	<	Objects.equals(h.join(), inc(v2)));
2560	<	assertEquals(1, r.invocationCount);
2561	<	}
2048	<	}
2556	>	checkCompletedNormally(h0, null);
2557	>	checkCompletedNormally(h1, null);
2558	>	checkCompletedNormally(h2, null);
2559	>	checkCompletedNormally(h3, null);
2560	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2561	>	}}
2562
2563		/**
2564	<	* applyToEither result completes exceptionally after exceptional
2564	>	* acceptEither result completes exceptionally after exceptional
2565		* completion of either source
2566		*/
2567	<	public void testApplyToEither_exceptionalCompletion1() {
2567	>	public void testAcceptEither_exceptionalCompletion() {
2568		for (ExecutionMode m : ExecutionMode.values())
2569	<	for (Integer v1 : new Integer[] { 1, null }) {
2570	<
2569	>	for (Integer v1 : new Integer[] { 1, null })
2570	>	{
2571		final CompletableFuture<Integer> f = new CompletableFuture<>();
2572		final CompletableFuture<Integer> g = new CompletableFuture<>();
2060	–	final IncFunction r = new IncFunction();
2061	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2573		final CFException ex = new CFException();
2574	+	final NoopConsumer[] rs = new NoopConsumer[6];
2575	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2576
2577	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2578	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2579	+	checkIncomplete(h0);
2580	+	checkIncomplete(h1);
2581	+	rs[0].assertNotInvoked();
2582	+	rs[1].assertNotInvoked();
2583		f.completeExceptionally(ex);
2584	<	checkCompletedWithWrappedCFException(h, ex);
2584	>	checkCompletedWithWrappedException(h0, ex);
2585	>	checkCompletedWithWrappedException(h1, ex);
2586	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2587	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2588	>	checkCompletedWithWrappedException(h2, ex);
2589	>	checkCompletedWithWrappedException(h3, ex);
2590	>
2591		g.complete(v1);
2592
2593	<	assertEquals(0, r.invocationCount);
2594	<	checkCompletedNormally(g, v1);
2595	<	checkCompletedWithWrappedCFException(f, ex);
2596	<	checkCompletedWithWrappedCFException(h, ex);
2593	>	// unspecified behavior - both source completions available
2594	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2595	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2596	>	try {
2597	>	assertNull(h4.join());
2598	>	rs[4].assertValue(v1);
2599	>	} catch (CompletionException ok) {
2600	>	checkCompletedWithWrappedException(h4, ex);
2601	>	rs[4].assertNotInvoked();
2602		}
2603	<	}
2604	<
2605	<	public void testApplyToEither_exceptionalCompletion2() {
2606	<	for (ExecutionMode m : ExecutionMode.values())
2607	<	for (Integer v1 : new Integer[] { 1, null }) {
2608	<
2079	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2080	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2081	<	final IncFunction r = new IncFunction();
2082	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2083	<	final CFException ex = new CFException();
2084	<
2085	<	g.completeExceptionally(ex);
2086	<	checkCompletedWithWrappedCFException(h, ex);
2087	<	f.complete(v1);
2088	<
2089	<	assertEquals(0, r.invocationCount);
2090	<	checkCompletedNormally(f, v1);
2091	<	checkCompletedWithWrappedCFException(g, ex);
2092	<	checkCompletedWithWrappedCFException(h, ex);
2603	>	try {
2604	>	assertNull(h5.join());
2605	>	rs[5].assertValue(v1);
2606	>	} catch (CompletionException ok) {
2607	>	checkCompletedWithWrappedException(h5, ex);
2608	>	rs[5].assertNotInvoked();
2609		}
2094	–	}
2610
2611	<	public void testApplyToEither_exceptionalCompletion3() {
2612	<	for (ExecutionMode m : ExecutionMode.values())
2613	<	for (Integer v1 : new Integer[] { 1, null }) {
2611	>	checkCompletedExceptionally(f, ex);
2612	>	checkCompletedNormally(g, v1);
2613	>	checkCompletedWithWrappedException(h0, ex);
2614	>	checkCompletedWithWrappedException(h1, ex);
2615	>	checkCompletedWithWrappedException(h2, ex);
2616	>	checkCompletedWithWrappedException(h3, ex);
2617	>	checkCompletedWithWrappedException(h4, ex);
2618	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2619	>	}}
2620
2621	+	public void testAcceptEither_exceptionalCompletion2() {
2622	+	for (ExecutionMode m : ExecutionMode.values())
2623	+	for (boolean fFirst : new boolean[] { true, false })
2624	+	for (Integer v1 : new Integer[] { 1, null })
2625	+	{
2626		final CompletableFuture<Integer> f = new CompletableFuture<>();
2627		final CompletableFuture<Integer> g = new CompletableFuture<>();
2102	–	final IncFunction r = new IncFunction();
2628		final CFException ex = new CFException();
2629	+	final NoopConsumer[] rs = new NoopConsumer[6];
2630	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2631
2632	<	g.completeExceptionally(ex);
2633	<	f.complete(v1);
2634	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2632	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2633	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2634	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2635	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2636	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2637	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2638
2639	<	// unspecified behavior
2640	<	Integer v;
2639	>	// unspecified behavior - both source completions available
2640	>	try {
2641	>	assertNull(h0.join());
2642	>	rs[0].assertValue(v1);
2643	>	} catch (CompletionException ok) {
2644	>	checkCompletedWithWrappedException(h0, ex);
2645	>	rs[0].assertNotInvoked();
2646	>	}
2647	>	try {
2648	>	assertNull(h1.join());
2649	>	rs[1].assertValue(v1);
2650	>	} catch (CompletionException ok) {
2651	>	checkCompletedWithWrappedException(h1, ex);
2652	>	rs[1].assertNotInvoked();
2653	>	}
2654		try {
2655	<	assertEquals(inc(v1), h.join());
2656	<	assertEquals(1, r.invocationCount);
2655	>	assertNull(h2.join());
2656	>	rs[2].assertValue(v1);
2657		} catch (CompletionException ok) {
2658	<	checkCompletedWithWrappedCFException(h, ex);
2659	<	assertEquals(0, r.invocationCount);
2658	>	checkCompletedWithWrappedException(h2, ex);
2659	>	rs[2].assertNotInvoked();
2660	>	}
2661	>	try {
2662	>	assertNull(h3.join());
2663	>	rs[3].assertValue(v1);
2664	>	} catch (CompletionException ok) {
2665	>	checkCompletedWithWrappedException(h3, ex);
2666	>	rs[3].assertNotInvoked();
2667		}
2668
2119	–	checkCompletedWithWrappedCFException(g, ex);
2669		checkCompletedNormally(f, v1);
2670	<	}
2671	<	}
2670	>	checkCompletedExceptionally(g, ex);
2671	>	}}
2672
2673	<	public void testApplyToEither_exceptionalCompletion4() {
2673	>	/**
2674	>	* acceptEither result completes exceptionally if either source cancelled
2675	>	*/
2676	>	public void testAcceptEither_sourceCancelled() {
2677		for (ExecutionMode m : ExecutionMode.values())
2678	<	for (Integer v1 : new Integer[] { 1, null }) {
2679	<
2678	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2679	>	for (Integer v1 : new Integer[] { 1, null })
2680	>	{
2681		final CompletableFuture<Integer> f = new CompletableFuture<>();
2682		final CompletableFuture<Integer> g = new CompletableFuture<>();
2683	<	final IncFunction r = new IncFunction();
2684	<	final CFException ex = new CFException();
2683	>	final NoopConsumer[] rs = new NoopConsumer[6];
2684	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2685	>
2686	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2687	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2688	>	checkIncomplete(h0);
2689	>	checkIncomplete(h1);
2690	>	rs[0].assertNotInvoked();
2691	>	rs[1].assertNotInvoked();
2692	>	f.cancel(mayInterruptIfRunning);
2693	>	checkCompletedWithWrappedCancellationException(h0);
2694	>	checkCompletedWithWrappedCancellationException(h1);
2695	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2696	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2697	>	checkCompletedWithWrappedCancellationException(h2);
2698	>	checkCompletedWithWrappedCancellationException(h3);
2699
2133	–	f.completeExceptionally(ex);
2700		g.complete(v1);
2135	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2701
2702	<	// unspecified behavior
2703	<	Integer v;
2702	>	// unspecified behavior - both source completions available
2703	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2704	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2705	>	try {
2706	>	assertNull(h4.join());
2707	>	rs[4].assertValue(v1);
2708	>	} catch (CompletionException ok) {
2709	>	checkCompletedWithWrappedCancellationException(h4);
2710	>	rs[4].assertNotInvoked();
2711	>	}
2712		try {
2713	<	assertEquals(inc(v1), h.join());
2714	<	assertEquals(1, r.invocationCount);
2713	>	assertNull(h5.join());
2714	>	rs[5].assertValue(v1);
2715		} catch (CompletionException ok) {
2716	<	checkCompletedWithWrappedCFException(h, ex);
2717	<	assertEquals(0, r.invocationCount);
2716	>	checkCompletedWithWrappedCancellationException(h5);
2717	>	rs[5].assertNotInvoked();
2718		}
2719
2720	<	checkCompletedWithWrappedCFException(f, ex);
2720	>	checkCancelled(f);
2721		checkCompletedNormally(g, v1);
2722	<	}
2723	<	}
2722	>	checkCompletedWithWrappedCancellationException(h0);
2723	>	checkCompletedWithWrappedCancellationException(h1);
2724	>	checkCompletedWithWrappedCancellationException(h2);
2725	>	checkCompletedWithWrappedCancellationException(h3);
2726	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2727	>	}}
2728
2729		/**
2730	<	* applyToEither result completes exceptionally if action does
2730	>	* acceptEither result completes exceptionally if action does
2731		*/
2732	<	public void testApplyToEither_actionFailed1() {
2732	>	public void testAcceptEither_actionFailed() {
2733		for (ExecutionMode m : ExecutionMode.values())
2734		for (Integer v1 : new Integer[] { 1, null })
2735	<	for (Integer v2 : new Integer[] { 2, null }) {
2736	<
2735	>	for (Integer v2 : new Integer[] { 2, null })
2736	>	{
2737		final CompletableFuture<Integer> f = new CompletableFuture<>();
2738		final CompletableFuture<Integer> g = new CompletableFuture<>();
2739	<	final FailingFunction r = new FailingFunction();
2740	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2739	>	final FailingConsumer[] rs = new FailingConsumer[6];
2740	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2741
2742	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2743	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2744		f.complete(v1);
2745	<	checkCompletedWithWrappedCFException(h);
2745	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2746	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2747	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2748	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2749	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2750	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2751	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2752	>
2753		g.complete(v2);
2754	+
2755	+	// unspecified behavior - both source completions available
2756	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2757	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2758	+
2759	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2760	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2761	+	Objects.equals(v2, rs[4].value));
2762	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2763	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2764	+	Objects.equals(v2, rs[5].value));
2765	+
2766		checkCompletedNormally(f, v1);
2767		checkCompletedNormally(g, v2);
2768	<	}
2171	<	}
2768	>	}}
2769
2770	<	public void testApplyToEither_actionFailed2() {
2770	>	/**
2771	>	* runAfterEither result completes normally after normal completion
2772	>	* of either source
2773	>	*/
2774	>	public void testRunAfterEither_normalCompletion() {
2775		for (ExecutionMode m : ExecutionMode.values())
2776		for (Integer v1 : new Integer[] { 1, null })
2777	<	for (Integer v2 : new Integer[] { 2, null }) {
2778	<
2777	>	for (Integer v2 : new Integer[] { 2, null })
2778	>	for (boolean pushNop : new boolean[] { true, false })
2779	>	{
2780		final CompletableFuture<Integer> f = new CompletableFuture<>();
2781		final CompletableFuture<Integer> g = new CompletableFuture<>();
2782	<	final FailingFunction r = new FailingFunction();
2783	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2782	>	final Noop[] rs = new Noop[6];
2783	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2784	>
2785	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2786	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2787	>	checkIncomplete(h0);
2788	>	checkIncomplete(h1);
2789	>	rs[0].assertNotInvoked();
2790	>	rs[1].assertNotInvoked();
2791	>	if (pushNop) {          // ad hoc test of intra-completion interference
2792	>	m.thenRun(f, () -> {});
2793	>	m.thenRun(g, () -> {});
2794	>	}
2795	>	f.complete(v1);
2796	>	checkCompletedNormally(h0, null);
2797	>	checkCompletedNormally(h1, null);
2798	>	rs[0].assertInvoked();
2799	>	rs[1].assertInvoked();
2800	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2801	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2802	>	checkCompletedNormally(h2, null);
2803	>	checkCompletedNormally(h3, null);
2804	>	rs[2].assertInvoked();
2805	>	rs[3].assertInvoked();
2806
2807		g.complete(v2);
2808	<	checkCompletedWithWrappedCFException(h);
2809	<	f.complete(v1);
2808	>
2809	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2810	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2811	>
2812		checkCompletedNormally(f, v1);
2813		checkCompletedNormally(g, v2);
2814	<	}
2815	<	}
2814	>	checkCompletedNormally(h0, null);
2815	>	checkCompletedNormally(h1, null);
2816	>	checkCompletedNormally(h2, null);
2817	>	checkCompletedNormally(h3, null);
2818	>	checkCompletedNormally(h4, null);
2819	>	checkCompletedNormally(h5, null);
2820	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2821	>	}}
2822
2823		/**
2824	<	* applyToEither result completes exceptionally if either source cancelled
2824	>	* runAfterEither result completes exceptionally after exceptional
2825	>	* completion of either source
2826		*/
2827	<	public void testApplyToEither_sourceCancelled1() {
2827	>	public void testRunAfterEither_exceptionalCompletion() {
2828		for (ExecutionMode m : ExecutionMode.values())
2829	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2830	<	for (Integer v1 : new Integer[] { 1, null }) {
2198	<
2829	>	for (Integer v1 : new Integer[] { 1, null })
2830	>	{
2831		final CompletableFuture<Integer> f = new CompletableFuture<>();
2832		final CompletableFuture<Integer> g = new CompletableFuture<>();
2833	<	final IncFunction r = new IncFunction();
2834	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2833	>	final CFException ex = new CFException();
2834	>	final Noop[] rs = new Noop[6];
2835	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2836
2837	<	assertTrue(f.cancel(mayInterruptIfRunning));
2838	<	checkCompletedWithWrappedCancellationException(h);
2839	<	g.complete(v1);
2837	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2838	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2839	>	checkIncomplete(h0);
2840	>	checkIncomplete(h1);
2841	>	rs[0].assertNotInvoked();
2842	>	rs[1].assertNotInvoked();
2843	>	assertTrue(f.completeExceptionally(ex));
2844	>	checkCompletedWithWrappedException(h0, ex);
2845	>	checkCompletedWithWrappedException(h1, ex);
2846	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2847	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2848	>	checkCompletedWithWrappedException(h2, ex);
2849	>	checkCompletedWithWrappedException(h3, ex);
2850	>
2851	>	assertTrue(g.complete(v1));
2852	>
2853	>	// unspecified behavior - both source completions available
2854	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2855	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2856	>	try {
2857	>	assertNull(h4.join());
2858	>	rs[4].assertInvoked();
2859	>	} catch (CompletionException ok) {
2860	>	checkCompletedWithWrappedException(h4, ex);
2861	>	rs[4].assertNotInvoked();
2862	>	}
2863	>	try {
2864	>	assertNull(h5.join());
2865	>	rs[5].assertInvoked();
2866	>	} catch (CompletionException ok) {
2867	>	checkCompletedWithWrappedException(h5, ex);
2868	>	rs[5].assertNotInvoked();
2869	>	}
2870
2871	<	checkCancelled(f);
2209	<	assertEquals(0, r.invocationCount);
2871	>	checkCompletedExceptionally(f, ex);
2872		checkCompletedNormally(g, v1);
2873	<	checkCompletedWithWrappedCancellationException(h);
2874	<	}
2875	<	}
2873	>	checkCompletedWithWrappedException(h0, ex);
2874	>	checkCompletedWithWrappedException(h1, ex);
2875	>	checkCompletedWithWrappedException(h2, ex);
2876	>	checkCompletedWithWrappedException(h3, ex);
2877	>	checkCompletedWithWrappedException(h4, ex);
2878	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2879	>	}}
2880
2881	<	public void testApplyToEither_sourceCancelled2() {
2881	>	public void testRunAfterEither_exceptionalCompletion2() {
2882		for (ExecutionMode m : ExecutionMode.values())
2883	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2884	<	for (Integer v1 : new Integer[] { 1, null }) {
2885	<
2883	>	for (boolean fFirst : new boolean[] { true, false })
2884	>	for (Integer v1 : new Integer[] { 1, null })
2885	>	{
2886		final CompletableFuture<Integer> f = new CompletableFuture<>();
2887		final CompletableFuture<Integer> g = new CompletableFuture<>();
2888	<	final IncFunction r = new IncFunction();
2889	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2888	>	final CFException ex = new CFException();
2889	>	final Noop[] rs = new Noop[6];
2890	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2891
2892	<	assertTrue(g.cancel(mayInterruptIfRunning));
2893	<	checkCompletedWithWrappedCancellationException(h);
2894	<	f.complete(v1);
2892	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2893	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2894	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2895	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2896	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2897	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2898
2899	<	checkCancelled(g);
2900	<	assertEquals(0, r.invocationCount);
2901	<	checkCompletedNormally(f, v1);
2902	<	checkCompletedWithWrappedCancellationException(h);
2899	>	// unspecified behavior - both source completions available
2900	>	try {
2901	>	assertNull(h0.join());
2902	>	rs[0].assertInvoked();
2903	>	} catch (CompletionException ok) {
2904	>	checkCompletedWithWrappedException(h0, ex);
2905	>	rs[0].assertNotInvoked();
2906	>	}
2907	>	try {
2908	>	assertNull(h1.join());
2909	>	rs[1].assertInvoked();
2910	>	} catch (CompletionException ok) {
2911	>	checkCompletedWithWrappedException(h1, ex);
2912	>	rs[1].assertNotInvoked();
2913		}
2234	–	}
2235	–
2236	–	public void testApplyToEither_sourceCancelled3() {
2237	–	for (ExecutionMode m : ExecutionMode.values())
2238	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2239	–	for (Integer v1 : new Integer[] { 1, null }) {
2240	–
2241	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2242	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2243	–	final IncFunction r = new IncFunction();
2244	–
2245	–	assertTrue(g.cancel(mayInterruptIfRunning));
2246	–	f.complete(v1);
2247	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2248	–
2249	–	// unspecified behavior
2250	–	Integer v;
2914		try {
2915	<	assertEquals(inc(v1), h.join());
2916	<	assertEquals(1, r.invocationCount);
2915	>	assertNull(h2.join());
2916	>	rs[2].assertInvoked();
2917		} catch (CompletionException ok) {
2918	<	checkCompletedWithWrappedCancellationException(h);
2919	<	assertEquals(0, r.invocationCount);
2918	>	checkCompletedWithWrappedException(h2, ex);
2919	>	rs[2].assertNotInvoked();
2920	>	}
2921	>	try {
2922	>	assertNull(h3.join());
2923	>	rs[3].assertInvoked();
2924	>	} catch (CompletionException ok) {
2925	>	checkCompletedWithWrappedException(h3, ex);
2926	>	rs[3].assertNotInvoked();
2927		}
2928
2259	–	checkCancelled(g);
2929		checkCompletedNormally(f, v1);
2930	<	}
2931	<	}
2930	>	checkCompletedExceptionally(g, ex);
2931	>	}}
2932
2933	<	public void testApplyToEither_sourceCancelled4() {
2933	>	/**
2934	>	* runAfterEither result completes exceptionally if either source cancelled
2935	>	*/
2936	>	public void testRunAfterEither_sourceCancelled() {
2937		for (ExecutionMode m : ExecutionMode.values())
2938		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2939	<	for (Integer v1 : new Integer[] { 1, null }) {
2940	<
2939	>	for (Integer v1 : new Integer[] { 1, null })
2940	>	{
2941		final CompletableFuture<Integer> f = new CompletableFuture<>();
2942		final CompletableFuture<Integer> g = new CompletableFuture<>();
2943	<	final IncFunction r = new IncFunction();
2944	<
2273	<	assertTrue(f.cancel(mayInterruptIfRunning));
2274	<	g.complete(v1);
2275	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2943	>	final Noop[] rs = new Noop[6];
2944	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2945
2946	<	// unspecified behavior
2947	<	Integer v;
2946	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2947	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2948	>	checkIncomplete(h0);
2949	>	checkIncomplete(h1);
2950	>	rs[0].assertNotInvoked();
2951	>	rs[1].assertNotInvoked();
2952	>	f.cancel(mayInterruptIfRunning);
2953	>	checkCompletedWithWrappedCancellationException(h0);
2954	>	checkCompletedWithWrappedCancellationException(h1);
2955	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2956	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2957	>	checkCompletedWithWrappedCancellationException(h2);
2958	>	checkCompletedWithWrappedCancellationException(h3);
2959	>
2960	>	assertTrue(g.complete(v1));
2961	>
2962	>	// unspecified behavior - both source completions available
2963	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2964	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2965	>	try {
2966	>	assertNull(h4.join());
2967	>	rs[4].assertInvoked();
2968	>	} catch (CompletionException ok) {
2969	>	checkCompletedWithWrappedCancellationException(h4);
2970	>	rs[4].assertNotInvoked();
2971	>	}
2972		try {
2973	<	assertEquals(inc(v1), h.join());
2974	<	assertEquals(1, r.invocationCount);
2973	>	assertNull(h5.join());
2974	>	rs[5].assertInvoked();
2975		} catch (CompletionException ok) {
2976	<	checkCompletedWithWrappedCancellationException(h);
2977	<	assertEquals(0, r.invocationCount);
2976	>	checkCompletedWithWrappedCancellationException(h5);
2977	>	rs[5].assertNotInvoked();
2978		}
2979
2980		checkCancelled(f);
2981		checkCompletedNormally(g, v1);
2982	<	}
2983	<	}
2982	>	checkCompletedWithWrappedCancellationException(h0);
2983	>	checkCompletedWithWrappedCancellationException(h1);
2984	>	checkCompletedWithWrappedCancellationException(h2);
2985	>	checkCompletedWithWrappedCancellationException(h3);
2986	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2987	>	}}
2988
2989		/**
2990	<	* acceptEither result completes normally after normal completion
2294	<	* of either source
2990	>	* runAfterEither result completes exceptionally if action does
2991		*/
2992	<	public void testAcceptEither_normalCompletion1() {
2992	>	public void testRunAfterEither_actionFailed() {
2993		for (ExecutionMode m : ExecutionMode.values())
2994		for (Integer v1 : new Integer[] { 1, null })
2995	<	for (Integer v2 : new Integer[] { 2, null }) {
2996	<
2995	>	for (Integer v2 : new Integer[] { 2, null })
2996	>	{
2997		final CompletableFuture<Integer> f = new CompletableFuture<>();
2998		final CompletableFuture<Integer> g = new CompletableFuture<>();
2999	<	final IncAction r = new IncAction();
3000	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2999	>	final FailingRunnable[] rs = new FailingRunnable[6];
3000	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3001
3002	<	f.complete(v1);
3003	<	checkCompletedNormally(h, null);
3004	<	assertEquals(inc(v1), r.value);
3005	<	g.complete(v2);
3002	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3003	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3004	>	assertTrue(f.complete(v1));
3005	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3006	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3007	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3008	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3009	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3010	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3011	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3012	>	assertTrue(g.complete(v2));
3013	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3014	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3015	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3016	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3017
3018		checkCompletedNormally(f, v1);
3019		checkCompletedNormally(g, v2);
3020	<	checkCompletedNormally(h, null);
3021	<	}
2315	<	}
2316	<
2317	<	public void testAcceptEither_normalCompletion2() {
2318	<	for (ExecutionMode m : ExecutionMode.values())
2319	<	for (Integer v1 : new Integer[] { 1, null })
2320	<	for (Integer v2 : new Integer[] { 2, null }) {
2321	<
2322	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2323	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2324	<	final IncAction r = new IncAction();
2325	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2326	<
2327	<	g.complete(v2);
2328	<	checkCompletedNormally(h, null);
2329	<	assertEquals(inc(v2), r.value);
2330	<	f.complete(v1);
3020	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3021	>	}}
3022
3023	<	checkCompletedNormally(f, v1);
3024	<	checkCompletedNormally(g, v2);
3025	<	checkCompletedNormally(h, null);
3026	<	}
2336	<	}
2337	<	public void testAcceptEither_normalCompletion3() {
3023	>	/**
3024	>	* thenCompose result completes normally after normal completion of source
3025	>	*/
3026	>	public void testThenCompose_normalCompletion() {
3027		for (ExecutionMode m : ExecutionMode.values())
3028	+	for (boolean createIncomplete : new boolean[] { true, false })
3029		for (Integer v1 : new Integer[] { 1, null })
3030	<	for (Integer v2 : new Integer[] { 2, null }) {
2341	<
3030	>	{
3031		final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3033	<	final IncAction r = new IncAction();
3032	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3033	>	if (!createIncomplete) assertTrue(f.complete(v1));
3034	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3035	>	if (createIncomplete) assertTrue(f.complete(v1));
3036
3037	<	f.complete(v1);
2347	<	g.complete(v2);
2348	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2349	<
2350	<	checkCompletedNormally(h, null);
3037	>	checkCompletedNormally(g, inc(v1));
3038		checkCompletedNormally(f, v1);
3039	<	checkCompletedNormally(g, v2);
3040	<
2354	<	// unspecified behavior
2355	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2356	<	Objects.equals(r.value, inc(v2)));
2357	<	}
2358	<	}
3039	>	r.assertValue(v1);
3040	>	}}
3041
3042		/**
3043	<	* acceptEither result completes exceptionally after exceptional
3044	<	* completion of either source
3043	>	* thenCompose result completes exceptionally after exceptional
3044	>	* completion of source
3045		*/
3046	<	public void testAcceptEither_exceptionalCompletion1() {
3046	>	public void testThenCompose_exceptionalCompletion() {
3047		for (ExecutionMode m : ExecutionMode.values())
3048	<	for (Integer v1 : new Integer[] { 1, null }) {
3049	<
2368	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2369	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2370	<	final IncAction r = new IncAction();
2371	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
3048	>	for (boolean createIncomplete : new boolean[] { true, false })
3049	>	{
3050		final CFException ex = new CFException();
3051	<
2374	<	f.completeExceptionally(ex);
2375	<	checkCompletedWithWrappedCFException(h, ex);
2376	<	g.complete(v1);
2377	<
2378	<	assertEquals(0, r.invocationCount);
2379	<	checkCompletedNormally(g, v1);
2380	<	checkCompletedWithWrappedCFException(f, ex);
2381	<	checkCompletedWithWrappedCFException(h, ex);
2382	<	}
2383	<	}
2384	<
2385	<	public void testAcceptEither_exceptionalCompletion2() {
2386	<	for (ExecutionMode m : ExecutionMode.values())
2387	<	for (Integer v1 : new Integer[] { 1, null }) {
2388	<
3051	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3052		final CompletableFuture<Integer> f = new CompletableFuture<>();
3053	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3054	<	final IncAction r = new IncAction();
3055	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2393	<	final CFException ex = new CFException();
2394	<
2395	<	g.completeExceptionally(ex);
2396	<	checkCompletedWithWrappedCFException(h, ex);
2397	<	f.complete(v1);
3053	>	if (!createIncomplete) f.completeExceptionally(ex);
3054	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3055	>	if (createIncomplete) f.completeExceptionally(ex);
3056
3057	<	assertEquals(0, r.invocationCount);
3058	<	checkCompletedNormally(f, v1);
3059	<	checkCompletedWithWrappedCFException(g, ex);
3060	<	checkCompletedWithWrappedCFException(h, ex);
2403	<	}
2404	<	}
3057	>	checkCompletedWithWrappedException(g, ex);
3058	>	checkCompletedExceptionally(f, ex);
3059	>	r.assertNotInvoked();
3060	>	}}
3061
3062	<	public void testAcceptEither_exceptionalCompletion3() {
3062	>	/**
3063	>	* thenCompose result completes exceptionally if action does
3064	>	*/
3065	>	public void testThenCompose_actionFailed() {
3066		for (ExecutionMode m : ExecutionMode.values())
3067	<	for (Integer v1 : new Integer[] { 1, null }) {
3068	<
3067	>	for (boolean createIncomplete : new boolean[] { true, false })
3068	>	for (Integer v1 : new Integer[] { 1, null })
3069	>	{
3070		final CompletableFuture<Integer> f = new CompletableFuture<>();
3071	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3072	<	final IncAction r = new IncAction();
3073	<	final CFException ex = new CFException();
3074	<
3075	<	g.completeExceptionally(ex);
2416	<	f.complete(v1);
2417	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2418	<
2419	<	// unspecified behavior
2420	<	Integer v;
2421	<	try {
2422	<	assertNull(h.join());
2423	<	assertEquals(1, r.invocationCount);
2424	<	assertEquals(inc(v1), r.value);
2425	<	} catch (CompletionException ok) {
2426	<	checkCompletedWithWrappedCFException(h, ex);
2427	<	assertEquals(0, r.invocationCount);
2428	<	}
3071	>	final FailingCompletableFutureFunction r
3072	>	= new FailingCompletableFutureFunction(m);
3073	>	if (!createIncomplete) assertTrue(f.complete(v1));
3074	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3075	>	if (createIncomplete) assertTrue(f.complete(v1));
3076
3077	<	checkCompletedWithWrappedCFException(g, ex);
3077	>	checkCompletedWithWrappedException(g, r.ex);
3078		checkCompletedNormally(f, v1);
3079	<	}
2433	<	}
3079	>	}}
3080
3081	<	public void testAcceptEither_exceptionalCompletion4() {
3081	>	/**
3082	>	* thenCompose result completes exceptionally if source cancelled
3083	>	*/
3084	>	public void testThenCompose_sourceCancelled() {
3085		for (ExecutionMode m : ExecutionMode.values())
3086	<	for (Integer v1 : new Integer[] { 1, null }) {
3087	<
3086	>	for (boolean createIncomplete : new boolean[] { true, false })
3087	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3088	>	{
3089		final CompletableFuture<Integer> f = new CompletableFuture<>();
3090	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3091	<	final IncAction r = new IncAction();
3092	<	final CFException ex = new CFException();
3093	<
3094	<	f.completeExceptionally(ex);
3095	<	g.complete(v1);
2446	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2447	<
2448	<	// unspecified behavior
2449	<	Integer v;
2450	<	try {
2451	<	assertNull(h.join());
2452	<	assertEquals(1, r.invocationCount);
2453	<	assertEquals(inc(v1), r.value);
2454	<	} catch (CompletionException ok) {
2455	<	checkCompletedWithWrappedCFException(h, ex);
2456	<	assertEquals(0, r.invocationCount);
3090	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3091	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3092	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3093	>	if (createIncomplete) {
3094	>	checkIncomplete(g);
3095	>	assertTrue(f.cancel(mayInterruptIfRunning));
3096		}
3097
3098	<	checkCompletedWithWrappedCFException(f, ex);
3099	<	checkCompletedNormally(g, v1);
3100	<	}
2462	<	}
3098	>	checkCompletedWithWrappedCancellationException(g);
3099	>	checkCancelled(f);
3100	>	}}
3101
3102		/**
3103	<	* acceptEither result completes exceptionally if action does
3103	>	* thenCompose result completes exceptionally if the result of the action does
3104		*/
3105	<	public void testAcceptEither_actionFailed1() {
3105	>	public void testThenCompose_actionReturnsFailingFuture() {
3106		for (ExecutionMode m : ExecutionMode.values())
3107	+	for (int order = 0; order < 6; order++)
3108		for (Integer v1 : new Integer[] { 1, null })
3109	<	for (Integer v2 : new Integer[] { 2, null }) {
3110	<
3109	>	{
3110	>	final CFException ex = new CFException();
3111		final CompletableFuture<Integer> f = new CompletableFuture<>();
3112		final CompletableFuture<Integer> g = new CompletableFuture<>();
3113	<	final FailingConsumer r = new FailingConsumer();
3114	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
3113	>	final CompletableFuture<Integer> h;
3114	>	// Test all permutations of orders
3115	>	switch (order) {
3116	>	case 0:
3117	>	assertTrue(f.complete(v1));
3118	>	assertTrue(g.completeExceptionally(ex));
3119	>	h = m.thenCompose(f, (x -> g));
3120	>	break;
3121	>	case 1:
3122	>	assertTrue(f.complete(v1));
3123	>	h = m.thenCompose(f, (x -> g));
3124	>	assertTrue(g.completeExceptionally(ex));
3125	>	break;
3126	>	case 2:
3127	>	assertTrue(g.completeExceptionally(ex));
3128	>	assertTrue(f.complete(v1));
3129	>	h = m.thenCompose(f, (x -> g));
3130	>	break;
3131	>	case 3:
3132	>	assertTrue(g.completeExceptionally(ex));
3133	>	h = m.thenCompose(f, (x -> g));
3134	>	assertTrue(f.complete(v1));
3135	>	break;
3136	>	case 4:
3137	>	h = m.thenCompose(f, (x -> g));
3138	>	assertTrue(f.complete(v1));
3139	>	assertTrue(g.completeExceptionally(ex));
3140	>	break;
3141	>	case 5:
3142	>	h = m.thenCompose(f, (x -> g));
3143	>	assertTrue(f.complete(v1));
3144	>	assertTrue(g.completeExceptionally(ex));
3145	>	break;
3146	>	default: throw new AssertionError();
3147	>	}
3148
3149	<	f.complete(v1);
3150	<	checkCompletedWithWrappedCFException(h);
2479	<	g.complete(v2);
3149	>	checkCompletedExceptionally(g, ex);
3150	>	checkCompletedWithWrappedException(h, ex);
3151		checkCompletedNormally(f, v1);
3152	<	checkCompletedNormally(g, v2);
2482	<	}
2483	<	}
3152	>	}}
3153
3154	<	public void testAcceptEither_actionFailed2() {
3154	>	/**
3155	>	* exceptionallyCompose result completes normally after normal
3156	>	* completion of source
3157	>	*/
3158	>	public void testExceptionallyCompose_normalCompletion() {
3159		for (ExecutionMode m : ExecutionMode.values())
3160	+	for (boolean createIncomplete : new boolean[] { true, false })
3161		for (Integer v1 : new Integer[] { 1, null })
3162	<	for (Integer v2 : new Integer[] { 2, null }) {
2489	<
3162	>	{
3163		final CompletableFuture<Integer> f = new CompletableFuture<>();
3164	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3165	<	final FailingConsumer r = new FailingConsumer();
3166	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
3164	>	final ExceptionalCompletableFutureFunction r =
3165	>	new ExceptionalCompletableFutureFunction(m);
3166	>	if (!createIncomplete) assertTrue(f.complete(v1));
3167	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3168	>	if (createIncomplete) assertTrue(f.complete(v1));
3169	>
3170	>	if (!createIncomplete && testImplementationDetails)
3171	>	assertSame(f, g);   // an optimization
3172
2495	–	g.complete(v2);
2496	–	checkCompletedWithWrappedCFException(h);
2497	–	f.complete(v1);
3173		checkCompletedNormally(f, v1);
3174	<	checkCompletedNormally(g, v2);
3175	<	}
3176	<	}
3174	>	checkCompletedNormally(g, v1);
3175	>	r.assertNotInvoked();
3176	>	}}
3177
3178		/**
3179	<	* acceptEither result completes exceptionally if either source cancelled
3179	>	* exceptionallyCompose result completes normally after exceptional
3180	>	* completion of source
3181		*/
3182	<	public void testAcceptEither_sourceCancelled1() {
3182	>	public void testExceptionallyCompose_exceptionalCompletion() {
3183		for (ExecutionMode m : ExecutionMode.values())
3184	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3185	<	for (Integer v1 : new Integer[] { 1, null }) {
3186	<
3184	>	for (boolean createIncomplete : new boolean[] { true, false })
3185	>	{
3186	>	final CFException ex = new CFException();
3187	>	final ExceptionalCompletableFutureFunction r =
3188	>	new ExceptionalCompletableFutureFunction(m);
3189		final CompletableFuture<Integer> f = new CompletableFuture<>();
3190	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3191	<	final IncAction r = new IncAction();
3192	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2515	<
2516	<	assertTrue(f.cancel(mayInterruptIfRunning));
2517	<	checkCompletedWithWrappedCancellationException(h);
2518	<	g.complete(v1);
3190	>	if (!createIncomplete) f.completeExceptionally(ex);
3191	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3192	>	if (createIncomplete) f.completeExceptionally(ex);
3193
3194	<	checkCancelled(f);
3195	<	assertEquals(0, r.invocationCount);
3196	<	checkCompletedNormally(g, v1);
3197	<	checkCompletedWithWrappedCancellationException(h);
2524	<	}
2525	<	}
3194	>	checkCompletedExceptionally(f, ex);
3195	>	checkCompletedNormally(g, r.value);
3196	>	r.assertInvoked();
3197	>	}}
3198
3199	<	public void testAcceptEither_sourceCancelled2() {
3199	>	/**
3200	>	* exceptionallyCompose completes exceptionally on exception if action does
3201	>	*/
3202	>	public void testExceptionallyCompose_actionFailed() {
3203		for (ExecutionMode m : ExecutionMode.values())
3204	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3205	<	for (Integer v1 : new Integer[] { 1, null }) {
3206	<
3204	>	for (boolean createIncomplete : new boolean[] { true, false })
3205	>	for (Integer v1 : new Integer[] { 1, null })
3206	>	{
3207	>	final CFException ex = new CFException();
3208		final CompletableFuture<Integer> f = new CompletableFuture<>();
3209	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3210	<	final IncAction r = new IncAction();
3211	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
3212	<
3213	<	assertTrue(g.cancel(mayInterruptIfRunning));
2538	<	checkCompletedWithWrappedCancellationException(h);
2539	<	f.complete(v1);
3209	>	final FailingExceptionalCompletableFutureFunction r
3210	>	= new FailingExceptionalCompletableFutureFunction(m);
3211	>	if (!createIncomplete) f.completeExceptionally(ex);
3212	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3213	>	if (createIncomplete) f.completeExceptionally(ex);
3214
3215	<	checkCancelled(g);
3216	<	assertEquals(0, r.invocationCount);
3217	<	checkCompletedNormally(f, v1);
3218	<	checkCompletedWithWrappedCancellationException(h);
2545	<	}
2546	<	}
3215	>	checkCompletedExceptionally(f, ex);
3216	>	checkCompletedWithWrappedException(g, r.ex);
3217	>	r.assertInvoked();
3218	>	}}
3219
3220	<	public void testAcceptEither_sourceCancelled3() {
3220	>	/**
3221	>	* thenComposeExceptionally result completes exceptionally if the
3222	>	* result of the action does
3223	>	*/
3224	>	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3225		for (ExecutionMode m : ExecutionMode.values())
3226	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3227	<	for (Integer v1 : new Integer[] { 1, null }) {
3228	<
3226	>	for (int order = 0; order < 6; order++)
3227	>	for (Integer v1 : new Integer[] { 1, null })
3228	>	{
3229	>	final CFException ex0 = new CFException();
3230	>	final CFException ex = new CFException();
3231		final CompletableFuture<Integer> f = new CompletableFuture<>();
3232		final CompletableFuture<Integer> g = new CompletableFuture<>();
3233	<	final IncAction r = new IncAction();
3233	>	final CompletableFuture<Integer> h;
3234	>	// Test all permutations of orders
3235	>	switch (order) {
3236	>	case 0:
3237	>	assertTrue(f.completeExceptionally(ex0));
3238	>	assertTrue(g.completeExceptionally(ex));
3239	>	h = m.exceptionallyCompose(f, (x -> g));
3240	>	break;
3241	>	case 1:
3242	>	assertTrue(f.completeExceptionally(ex0));
3243	>	h = m.exceptionallyCompose(f, (x -> g));
3244	>	assertTrue(g.completeExceptionally(ex));
3245	>	break;
3246	>	case 2:
3247	>	assertTrue(g.completeExceptionally(ex));
3248	>	assertTrue(f.completeExceptionally(ex0));
3249	>	h = m.exceptionallyCompose(f, (x -> g));
3250	>	break;
3251	>	case 3:
3252	>	assertTrue(g.completeExceptionally(ex));
3253	>	h = m.exceptionallyCompose(f, (x -> g));
3254	>	assertTrue(f.completeExceptionally(ex0));
3255	>	break;
3256	>	case 4:
3257	>	h = m.exceptionallyCompose(f, (x -> g));
3258	>	assertTrue(f.completeExceptionally(ex0));
3259	>	assertTrue(g.completeExceptionally(ex));
3260	>	break;
3261	>	case 5:
3262	>	h = m.exceptionallyCompose(f, (x -> g));
3263	>	assertTrue(f.completeExceptionally(ex0));
3264	>	assertTrue(g.completeExceptionally(ex));
3265	>	break;
3266	>	default: throw new AssertionError();
3267	>	}
3268
3269	<	assertTrue(g.cancel(mayInterruptIfRunning));
2558	<	f.complete(v1);
2559	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
3269	>	checkCompletedExceptionally(g, ex);
3270
3271	<	// unspecified behavior
2562	<	Integer v;
3271	>	// TODO: should this be: checkCompletedWithWrappedException(h, ex);
3272		try {
3273	<	assertNull(h.join());
3274	<	assertEquals(1, r.invocationCount);
3275	<	assertEquals(inc(v1), r.value);
3276	<	} catch (CompletionException ok) {
2568	<	checkCompletedWithWrappedCancellationException(h);
2569	<	assertEquals(0, r.invocationCount);
3273	>	h.join();
3274	>	shouldThrow();
3275	>	} catch (Throwable t) {
3276	>	assertSame(ex, (t instanceof CompletionException) ? t.getCause() : t);
3277		}
3278
3279	<	checkCancelled(g);
3280	<	checkCompletedNormally(f, v1);
2574	<	}
2575	<	}
3279	>	checkCompletedExceptionally(f, ex0);
3280	>	}}
3281
3282	<	public void testAcceptEither_sourceCancelled4() {
2578	<	for (ExecutionMode m : ExecutionMode.values())
2579	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2580	<	for (Integer v1 : new Integer[] { 1, null }) {
3282	>	// other static methods
3283
3284	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3285	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3286	<	final IncAction r = new IncAction();
3284	>	/**
3285	>	* allOf(no component futures) returns a future completed normally
3286	>	* with the value null
3287	>	*/
3288	>	public void testAllOf_empty() throws Exception {
3289	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3290	>	checkCompletedNormally(f, null);
3291	>	}
3292
3293	<	assertTrue(f.cancel(mayInterruptIfRunning));
3294	<	g.complete(v1);
3295	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
3293	>	/**
3294	>	* allOf returns a future completed normally with the value null
3295	>	* when all components complete normally
3296	>	*/
3297	>	public void testAllOf_normal() throws Exception {
3298	>	for (int k = 1; k < 10; k++) {
3299	>	CompletableFuture<Integer>[] fs
3300	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3301	>	for (int i = 0; i < k; i++)
3302	>	fs[i] = new CompletableFuture<>();
3303	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3304	>	for (int i = 0; i < k; i++) {
3305	>	checkIncomplete(f);
3306	>	checkIncomplete(CompletableFuture.allOf(fs));
3307	>	fs[i].complete(one);
3308	>	}
3309	>	checkCompletedNormally(f, null);
3310	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3311	>	}
3312	>	}
3313
3314	<	// unspecified behavior
3315	<	Integer v;
3316	<	try {
3317	<	assertNull(h.join());
3318	<	assertEquals(1, r.invocationCount);
3319	<	assertEquals(inc(v1), r.value);
3320	<	} catch (CompletionException ok) {
3321	<	checkCompletedWithWrappedCancellationException(h);
3322	<	assertEquals(0, r.invocationCount);
3314	>	public void testAllOf_normal_backwards() throws Exception {
3315	>	for (int k = 1; k < 10; k++) {
3316	>	CompletableFuture<Integer>[] fs
3317	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3318	>	for (int i = 0; i < k; i++)
3319	>	fs[i] = new CompletableFuture<>();
3320	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3321	>	for (int i = k - 1; i >= 0; i--) {
3322	>	checkIncomplete(f);
3323	>	checkIncomplete(CompletableFuture.allOf(fs));
3324	>	fs[i].complete(one);
3325	>	}
3326	>	checkCompletedNormally(f, null);
3327	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3328		}
3329	+	}
3330
3331	<	checkCancelled(f);
3332	<	checkCompletedNormally(g, v1);
3331	>	public void testAllOf_exceptional() throws Exception {
3332	>	for (int k = 1; k < 10; k++) {
3333	>	CompletableFuture<Integer>[] fs
3334	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3335	>	CFException ex = new CFException();
3336	>	for (int i = 0; i < k; i++)
3337	>	fs[i] = new CompletableFuture<>();
3338	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3339	>	for (int i = 0; i < k; i++) {
3340	>	checkIncomplete(f);
3341	>	checkIncomplete(CompletableFuture.allOf(fs));
3342	>	if (i != k / 2) {
3343	>	fs[i].complete(i);
3344	>	checkCompletedNormally(fs[i], i);
3345	>	} else {
3346	>	fs[i].completeExceptionally(ex);
3347	>	checkCompletedExceptionally(fs[i], ex);
3348	>	}
3349	>	}
3350	>	checkCompletedWithWrappedException(f, ex);
3351	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3352		}
3353		}
3354
3355		/**
3356	<	* runAfterEither result completes normally after normal completion
2608	<	* of either source
3356	>	* anyOf(no component futures) returns an incomplete future
3357		*/
3358	<	public void testRunAfterEither_normalCompletion1() {
2611	<	for (ExecutionMode m : ExecutionMode.values())
3358	>	public void testAnyOf_empty() throws Exception {
3359		for (Integer v1 : new Integer[] { 1, null })
3360	<	for (Integer v2 : new Integer[] { 2, null }) {
3361	<
3362	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2616	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2617	<	final Noop r = new Noop();
2618	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3360	>	{
3361	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3362	>	checkIncomplete(f);
3363
3364		f.complete(v1);
2621	–	checkCompletedNormally(h, null);
2622	–	assertEquals(1, r.invocationCount);
2623	–	g.complete(v2);
2624	–
3365		checkCompletedNormally(f, v1);
3366	<	checkCompletedNormally(g, v2);
3367	<	checkCompletedNormally(h, null);
3368	<	assertEquals(1, r.invocationCount);
3366	>	}}
3367	>
3368	>	/**
3369	>	* anyOf returns a future completed normally with a value when
3370	>	* a component future does
3371	>	*/
3372	>	public void testAnyOf_normal() throws Exception {
3373	>	for (int k = 0; k < 10; k++) {
3374	>	CompletableFuture[] fs = new CompletableFuture[k];
3375	>	for (int i = 0; i < k; i++)
3376	>	fs[i] = new CompletableFuture<>();
3377	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3378	>	checkIncomplete(f);
3379	>	for (int i = 0; i < k; i++) {
3380	>	fs[i].complete(i);
3381	>	checkCompletedNormally(f, 0);
3382	>	int x = (int) CompletableFuture.anyOf(fs).join();
3383	>	assertTrue(0 <= x && x <= i);
3384	>	}
3385		}
3386		}
3387	<
3388	<	public void testRunAfterEither_normalCompletion2() {
3389	<	for (ExecutionMode m : ExecutionMode.values())
3390	<	for (Integer v1 : new Integer[] { 1, null })
3391	<	for (Integer v2 : new Integer[] { 2, null }) {
3392	<
3393	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3394	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3395	<	final Noop r = new Noop();
3396	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3397	<
3398	<	g.complete(v2);
3399	<	checkCompletedNormally(h, null);
2644	<	assertEquals(1, r.invocationCount);
2645	<	f.complete(v1);
2646	<
2647	<	checkCompletedNormally(f, v1);
2648	<	checkCompletedNormally(g, v2);
2649	<	checkCompletedNormally(h, null);
2650	<	assertEquals(1, r.invocationCount);
3387	>	public void testAnyOf_normal_backwards() throws Exception {
3388	>	for (int k = 0; k < 10; k++) {
3389	>	CompletableFuture[] fs = new CompletableFuture[k];
3390	>	for (int i = 0; i < k; i++)
3391	>	fs[i] = new CompletableFuture<>();
3392	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3393	>	checkIncomplete(f);
3394	>	for (int i = k - 1; i >= 0; i--) {
3395	>	fs[i].complete(i);
3396	>	checkCompletedNormally(f, k - 1);
3397	>	int x = (int) CompletableFuture.anyOf(fs).join();
3398	>	assertTrue(i <= x && x <= k - 1);
3399	>	}
3400		}
3401		}
2653	–	public void testRunAfterEither_normalCompletion3() {
2654	–	for (ExecutionMode m : ExecutionMode.values())
2655	–	for (Integer v1 : new Integer[] { 1, null })
2656	–	for (Integer v2 : new Integer[] { 2, null }) {
2657	–
2658	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2659	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2660	–	final Noop r = new Noop();
3402
3403	<	f.complete(v1);
3404	<	g.complete(v2);
3405	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3403	>	/**
3404	>	* anyOf result completes exceptionally when any component does.
3405	>	*/
3406	>	public void testAnyOf_exceptional() throws Exception {
3407	>	for (int k = 0; k < 10; k++) {
3408	>	CompletableFuture[] fs = new CompletableFuture[k];
3409	>	CFException[] exs = new CFException[k];
3410	>	for (int i = 0; i < k; i++) {
3411	>	fs[i] = new CompletableFuture<>();
3412	>	exs[i] = new CFException();
3413	>	}
3414	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3415	>	checkIncomplete(f);
3416	>	for (int i = 0; i < k; i++) {
3417	>	fs[i].completeExceptionally(exs[i]);
3418	>	checkCompletedWithWrappedException(f, exs[0]);
3419	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3420	>	}
3421	>	}
3422	>	}
3423
3424	<	checkCompletedNormally(h, null);
3425	<	checkCompletedNormally(f, v1);
3426	<	checkCompletedNormally(g, v2);
3427	<	assertEquals(1, r.invocationCount);
3424	>	public void testAnyOf_exceptional_backwards() throws Exception {
3425	>	for (int k = 0; k < 10; k++) {
3426	>	CompletableFuture[] fs = new CompletableFuture[k];
3427	>	CFException[] exs = new CFException[k];
3428	>	for (int i = 0; i < k; i++) {
3429	>	fs[i] = new CompletableFuture<>();
3430	>	exs[i] = new CFException();
3431	>	}
3432	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3433	>	checkIncomplete(f);
3434	>	for (int i = k - 1; i >= 0; i--) {
3435	>	fs[i].completeExceptionally(exs[i]);
3436	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3437	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3438	>	}
3439		}
3440		}
3441
3442		/**
3443	<	* runAfterEither result completes exceptionally after exceptional
2675	<	* completion of either source
3443	>	* Completion methods throw NullPointerException with null arguments
3444		*/
3445	<	public void testRunAfterEither_exceptionalCompletion1() {
3446	<	for (ExecutionMode m : ExecutionMode.values())
3447	<	for (Integer v1 : new Integer[] { 1, null }) {
3448	<
3449	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3450	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2683	<	final Noop r = new Noop();
2684	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2685	<	final CFException ex = new CFException();
3445	>	@SuppressWarnings("FutureReturnValueIgnored")
3446	>	public void testNPE() {
3447	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3448	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3449	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3450	>	ThreadExecutor exec = new ThreadExecutor();
3451
3452	<	f.completeExceptionally(ex);
3453	<	checkCompletedWithWrappedCFException(h, ex);
3454	<	g.complete(v1);
3452	>	Runnable[] throwingActions = {
3453	>	() -> CompletableFuture.supplyAsync(null),
3454	>	() -> CompletableFuture.supplyAsync(null, exec),
3455	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3456
3457	<	assertEquals(0, r.invocationCount);
3458	<	checkCompletedNormally(g, v1);
3459	<	checkCompletedWithWrappedCFException(f, ex);
2694	<	checkCompletedWithWrappedCFException(h, ex);
2695	<	}
2696	<	}
3457	>	() -> CompletableFuture.runAsync(null),
3458	>	() -> CompletableFuture.runAsync(null, exec),
3459	>	() -> CompletableFuture.runAsync(() -> {}, null),
3460
3461	<	public void testRunAfterEither_exceptionalCompletion2() {
2699	<	for (ExecutionMode m : ExecutionMode.values())
2700	<	for (Integer v1 : new Integer[] { 1, null }) {
3461	>	() -> f.completeExceptionally(null),
3462
3463	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3464	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3465	<	final Noop r = new Noop();
3466	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2706	<	final CFException ex = new CFException();
3463	>	() -> f.thenApply(null),
3464	>	() -> f.thenApplyAsync(null),
3465	>	() -> f.thenApplyAsync(x -> x, null),
3466	>	() -> f.thenApplyAsync(null, exec),
3467
3468	<	g.completeExceptionally(ex);
3469	<	checkCompletedWithWrappedCFException(h, ex);
3470	<	f.complete(v1);
3468	>	() -> f.thenAccept(null),
3469	>	() -> f.thenAcceptAsync(null),
3470	>	() -> f.thenAcceptAsync(x -> {} , null),
3471	>	() -> f.thenAcceptAsync(null, exec),
3472
3473	<	assertEquals(0, r.invocationCount);
3474	<	checkCompletedNormally(f, v1);
3475	<	checkCompletedWithWrappedCFException(g, ex);
3476	<	checkCompletedWithWrappedCFException(h, ex);
2716	<	}
2717	<	}
3473	>	() -> f.thenRun(null),
3474	>	() -> f.thenRunAsync(null),
3475	>	() -> f.thenRunAsync(() -> {} , null),
3476	>	() -> f.thenRunAsync(null, exec),
3477
3478	<	public void testRunAfterEither_exceptionalCompletion3() {
3479	<	for (ExecutionMode m : ExecutionMode.values())
3480	<	for (Integer v1 : new Integer[] { 1, null }) {
3478	>	() -> f.thenCombine(g, null),
3479	>	() -> f.thenCombineAsync(g, null),
3480	>	() -> f.thenCombineAsync(g, null, exec),
3481	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3482	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3483	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3484	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3485
3486	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3487	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3488	<	final Noop r = new Noop();
3489	<	final CFException ex = new CFException();
3486	>	() -> f.thenAcceptBoth(g, null),
3487	>	() -> f.thenAcceptBothAsync(g, null),
3488	>	() -> f.thenAcceptBothAsync(g, null, exec),
3489	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3490	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3491	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3492	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3493
3494	<	g.completeExceptionally(ex);
3495	<	f.complete(v1);
3496	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3494	>	() -> f.runAfterBoth(g, null),
3495	>	() -> f.runAfterBothAsync(g, null),
3496	>	() -> f.runAfterBothAsync(g, null, exec),
3497	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3498	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3499	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3500	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3501
3502	<	// unspecified behavior
3503	<	Integer v;
3504	<	try {
3505	<	assertNull(h.join());
3506	<	assertEquals(1, r.invocationCount);
3507	<	} catch (CompletionException ok) {
3508	<	checkCompletedWithWrappedCFException(h, ex);
2739	<	assertEquals(0, r.invocationCount);
2740	<	}
3502	>	() -> f.applyToEither(g, null),
3503	>	() -> f.applyToEitherAsync(g, null),
3504	>	() -> f.applyToEitherAsync(g, null, exec),
3505	>	() -> f.applyToEither(nullFuture, x -> x),
3506	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3507	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3508	>	() -> f.applyToEitherAsync(g, x -> x, null),
3509
3510	<	checkCompletedWithWrappedCFException(g, ex);
3511	<	checkCompletedNormally(f, v1);
3512	<	}
3513	<	}
3510	>	() -> f.acceptEither(g, null),
3511	>	() -> f.acceptEitherAsync(g, null),
3512	>	() -> f.acceptEitherAsync(g, null, exec),
3513	>	() -> f.acceptEither(nullFuture, x -> {}),
3514	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3515	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3516	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3517
3518	<	public void testRunAfterEither_exceptionalCompletion4() {
3519	<	for (ExecutionMode m : ExecutionMode.values())
3520	<	for (Integer v1 : new Integer[] { 1, null }) {
3518	>	() -> f.runAfterEither(g, null),
3519	>	() -> f.runAfterEitherAsync(g, null),
3520	>	() -> f.runAfterEitherAsync(g, null, exec),
3521	>	() -> f.runAfterEither(nullFuture, () -> {}),
3522	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3523	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3524	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3525
3526	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3527	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3528	<	final Noop r = new Noop();
3529	<	final CFException ex = new CFException();
3526	>	() -> f.thenCompose(null),
3527	>	() -> f.thenComposeAsync(null),
3528	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3529	>	() -> f.thenComposeAsync(null, exec),
3530
3531	<	f.completeExceptionally(ex);
2757	<	g.complete(v1);
2758	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3531	>	() -> f.exceptionally(null),
3532
3533	<	// unspecified behavior
2761	<	Integer v;
2762	<	try {
2763	<	assertNull(h.join());
2764	<	assertEquals(1, r.invocationCount);
2765	<	} catch (CompletionException ok) {
2766	<	checkCompletedWithWrappedCFException(h, ex);
2767	<	assertEquals(0, r.invocationCount);
2768	<	}
3533	>	() -> f.handle(null),
3534
3535	<	checkCompletedWithWrappedCFException(f, ex);
3536	<	checkCompletedNormally(g, v1);
3537	<	}
3538	<	}
3535	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3536	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3537	>	() -> CompletableFuture.allOf(f, null),
3538	>	() -> CompletableFuture.allOf(null, f),
3539
3540	<	/**
3541	<	* runAfterEither result completes exceptionally if action does
3542	<	*/
3543	<	public void testRunAfterEither_actionFailed1() {
2779	<	for (ExecutionMode m : ExecutionMode.values())
2780	<	for (Integer v1 : new Integer[] { 1, null })
2781	<	for (Integer v2 : new Integer[] { 2, null }) {
3540	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3541	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3542	>	() -> CompletableFuture.anyOf(f, null),
3543	>	() -> CompletableFuture.anyOf(null, f),
3544
3545	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2784	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2785	<	final FailingNoop r = new FailingNoop();
2786	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3545	>	() -> f.obtrudeException(null),
3546
3547	<	f.complete(v1);
3548	<	checkCompletedWithWrappedCFException(h);
3549	<	g.complete(v2);
2791	<	checkCompletedNormally(f, v1);
2792	<	checkCompletedNormally(g, v2);
2793	<	}
2794	<	}
3547	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3548	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3549	>	() -> CompletableFuture.delayedExecutor(1L, null),
3550
3551	<	public void testRunAfterEither_actionFailed2() {
3552	<	for (ExecutionMode m : ExecutionMode.values())
2798	<	for (Integer v1 : new Integer[] { 1, null })
2799	<	for (Integer v2 : new Integer[] { 2, null }) {
3551	>	() -> f.orTimeout(1L, null),
3552	>	() -> f.completeOnTimeout(42, 1L, null),
3553
3554	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3555	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3556	<	final FailingNoop r = new FailingNoop();
2804	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3554	>	() -> CompletableFuture.failedFuture(null),
3555	>	() -> CompletableFuture.failedStage(null),
3556	>	};
3557
3558	<	g.complete(v2);
3559	<	checkCompletedWithWrappedCFException(h);
2808	<	f.complete(v1);
2809	<	checkCompletedNormally(f, v1);
2810	<	checkCompletedNormally(g, v2);
2811	<	}
3558	>	assertThrows(NullPointerException.class, throwingActions);
3559	>	assertEquals(0, exec.count.get());
3560		}
3561
3562		/**
3563	<	* runAfterEither result completes exceptionally if either source cancelled
3563	>	* Test submissions to an executor that rejects all tasks.
3564		*/
3565	<	public void testRunAfterEither_sourceCancelled1() {
3566	<	for (ExecutionMode m : ExecutionMode.values())
3567	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3568	<	for (Integer v1 : new Integer[] { 1, null }) {
3565	>	public void testRejectingExecutor() {
3566	>	for (Integer v : new Integer[] { 1, null })
3567	>	{
3568	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3569
3570	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3571	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2824	<	final Noop r = new Noop();
2825	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3570	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3571	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3572
3573	<	assertTrue(f.cancel(mayInterruptIfRunning));
2828	<	checkCompletedWithWrappedCancellationException(h);
2829	<	g.complete(v1);
3573	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3574
3575	<	checkCancelled(f);
3576	<	assertEquals(0, r.invocationCount);
3577	<	checkCompletedNormally(g, v1);
3578	<	checkCompletedWithWrappedCancellationException(h);
3575	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3576	>	srcs.add(complete);
3577	>	srcs.add(incomplete);
3578	>
3579	>	for (CompletableFuture<Integer> src : srcs) {
3580	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3581	>	fs.add(src.thenRunAsync(() -> {}, e));
3582	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3583	>	fs.add(src.thenApplyAsync(z -> z, e));
3584	>
3585	>	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3586	>	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3587	>	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3588	>
3589	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3590	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3591	>	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3592	>
3593	>	fs.add(src.thenComposeAsync(z -> null, e));
3594	>	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3595	>	fs.add(src.handleAsync((z, t) -> null, e));
3596	>
3597	>	for (CompletableFuture<?> future : fs) {
3598	>	if (src.isDone())
3599	>	checkCompletedWithWrappedException(future, e.ex);
3600	>	else
3601	>	checkIncomplete(future);
3602	>	}
3603	>	futures.addAll(fs);
3604		}
2836	–	}
3605
3606	<	public void testRunAfterEither_sourceCancelled2() {
3607	<	for (ExecutionMode m : ExecutionMode.values())
2840	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2841	<	for (Integer v1 : new Integer[] { 1, null }) {
3606	>	{
3607	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3608
3609	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3610	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2845	<	final Noop r = new Noop();
2846	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3609	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3610	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3611
3612	<	assertTrue(g.cancel(mayInterruptIfRunning));
3613	<	checkCompletedWithWrappedCancellationException(h);
2850	<	f.complete(v1);
3612	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3613	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3614
3615	<	checkCancelled(g);
3616	<	assertEquals(0, r.invocationCount);
3617	<	checkCompletedNormally(f, v1);
3618	<	checkCompletedWithWrappedCancellationException(h);
3615	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3616	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3617	>
3618	>	for (CompletableFuture<?> future : fs)
3619	>	checkIncomplete(future);
3620	>	futures.addAll(fs);
3621		}
2857	–	}
3622
3623	<	public void testRunAfterEither_sourceCancelled3() {
3624	<	for (ExecutionMode m : ExecutionMode.values())
2861	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2862	<	for (Integer v1 : new Integer[] { 1, null }) {
3623	>	{
3624	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3625
3626	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3627	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2866	<	final Noop r = new Noop();
3626	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3627	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3628
3629	<	assertTrue(g.cancel(mayInterruptIfRunning));
3630	<	f.complete(v1);
2870	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3629	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3630	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3631
3632	<	// unspecified behavior
3633	<	Integer v;
2874	<	try {
2875	<	assertNull(h.join());
2876	<	assertEquals(1, r.invocationCount);
2877	<	} catch (CompletionException ok) {
2878	<	checkCompletedWithWrappedCancellationException(h);
2879	<	assertEquals(0, r.invocationCount);
2880	<	}
3632	>	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3633	>	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3634
3635	<	checkCancelled(g);
3636	<	checkCompletedNormally(f, v1);
3635	>	for (CompletableFuture<?> future : fs)
3636	>	checkCompletedWithWrappedException(future, e.ex);
3637	>	futures.addAll(fs);
3638		}
2885	–	}
2886	–
2887	–	public void testRunAfterEither_sourceCancelled4() {
2888	–	for (ExecutionMode m : ExecutionMode.values())
2889	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2890	–	for (Integer v1 : new Integer[] { 1, null }) {
3639
3640	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2893	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2894	<	final Noop r = new Noop();
3640	>	incomplete.complete(v);
3641
3642	<	assertTrue(f.cancel(mayInterruptIfRunning));
3643	<	g.complete(v1);
2898	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3642	>	for (CompletableFuture<?> future : futures)
3643	>	checkCompletedWithWrappedException(future, e.ex);
3644
3645	<	// unspecified behavior
3646	<	Integer v;
2902	<	try {
2903	<	assertNull(h.join());
2904	<	assertEquals(1, r.invocationCount);
2905	<	} catch (CompletionException ok) {
2906	<	checkCompletedWithWrappedCancellationException(h);
2907	<	assertEquals(0, r.invocationCount);
2908	<	}
2909	<
2910	<	checkCancelled(f);
2911	<	checkCompletedNormally(g, v1);
2912	<	}
2913	<	}
3645	>	assertEquals(futures.size(), e.count.get());
3646	>	}}
3647
3648		/**
3649	<	* thenCompose result completes normally after normal completion of source
3649	>	* Test submissions to an executor that rejects all tasks, but
3650	>	* should never be invoked because the dependent future is
3651	>	* explicitly completed.
3652		*/
3653	<	public void testThenCompose_normalCompletion1() {
3654	<	for (ExecutionMode m : ExecutionMode.values())
3655	<	for (Integer v1 : new Integer[] { 1, null }) {
3653	>	public void testRejectingExecutorNeverInvoked() {
3654	>	for (Integer v : new Integer[] { 1, null })
3655	>	{
3656	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3657
3658	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3659	<	final CompletableFutureInc r = new CompletableFutureInc();
2924	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2925	<	f.complete(v1);
2926	<	checkCompletedNormally(g, inc(v1));
2927	<	checkCompletedNormally(f, v1);
2928	<	assertEquals(1, r.invocationCount);
2929	<	}
2930	<	}
3658	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3659	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3660
3661	<	public void testThenCompose_normalCompletion2() {
2933	<	for (ExecutionMode m : ExecutionMode.values())
2934	<	for (Integer v1 : new Integer[] { 1, null }) {
3661	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3662
3663	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3664	<	final CompletableFutureInc r = new CompletableFutureInc();
3665	<	f.complete(v1);
2939	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2940	<	checkCompletedNormally(g, inc(v1));
2941	<	checkCompletedNormally(f, v1);
2942	<	assertEquals(1, r.invocationCount);
2943	<	}
2944	<	}
3663	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3664	>	srcs.add(complete);
3665	>	srcs.add(incomplete);
3666
3667	<	/**
3668	<	* thenCompose result completes exceptionally after exceptional
3669	<	* completion of source
3670	<	*/
2950	<	public void testThenCompose_exceptionalCompletion1() {
2951	<	for (ExecutionMode m : ExecutionMode.values()) {
2952	<
2953	<	final CFException ex = new CFException();
2954	<	final CompletableFutureInc r = new CompletableFutureInc();
2955	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2956	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2957	<	f.completeExceptionally(ex);
2958	<	checkCompletedWithWrappedCFException(g, ex);
2959	<	checkCompletedWithWrappedCFException(f, ex);
2960	<	}
2961	<	}
3667	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3668	>	fs.add(incomplete.thenRunAsync(() -> {}, e));
3669	>	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3670	>	fs.add(incomplete.thenApplyAsync(z -> z, e));
3671
3672	<	public void testThenCompose_exceptionalCompletion2() {
3673	<	for (ExecutionMode m : ExecutionMode.values()) {
3672	>	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3673	>	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3674	>	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3675
3676	<	final CFException ex = new CFException();
3677	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3678	<	f.completeExceptionally(ex);
2969	<	final CompletableFutureInc r = new CompletableFutureInc();
2970	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2971	<	checkCompletedWithWrappedCFException(g, ex);
2972	<	checkCompletedWithWrappedCFException(f, ex);
2973	<	}
2974	<	}
3676	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3677	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3678	>	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3679
3680	<	/**
3681	<	* thenCompose result completes exceptionally if action does
3682	<	*/
2979	<	public void testThenCompose_actionFailed1() {
2980	<	for (ExecutionMode m : ExecutionMode.values())
2981	<	for (Integer v1 : new Integer[] { 1, null }) {
3680	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3681	>	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3682	>	fs.add(incomplete.handleAsync((z, t) -> null, e));
3683
3684	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3685	<	final FailingCompletableFutureFunction r
2985	<	= new FailingCompletableFutureFunction();
2986	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2987	<	f.complete(v1);
2988	<	checkCompletedWithWrappedCFException(g);
2989	<	checkCompletedNormally(f, v1);
2990	<	}
2991	<	}
3684	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3685	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3686
3687	<	public void testThenCompose_actionFailed2() {
3688	<	for (ExecutionMode m : ExecutionMode.values())
2995	<	for (Integer v1 : new Integer[] { 1, null }) {
3687	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3688	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3689
3690	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3691	<	f.complete(v1);
2999	<	final FailingCompletableFutureFunction r
3000	<	= new FailingCompletableFutureFunction();
3001	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3002	<	checkCompletedWithWrappedCFException(g);
3003	<	checkCompletedNormally(f, v1);
3004	<	}
3005	<	}
3690	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3691	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3692
3693	<	/**
3694	<	* thenCompose result completes exceptionally if source cancelled
3009	<	*/
3010	<	public void testThenCompose_sourceCancelled1() {
3011	<	for (ExecutionMode m : ExecutionMode.values())
3012	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
3693	>	for (CompletableFuture<?> future : fs)
3694	>	checkIncomplete(future);
3695
3696	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3697	<	final CompletableFutureInc r = new CompletableFutureInc();
3016	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3017	<	assertTrue(f.cancel(mayInterruptIfRunning));
3018	<	checkCompletedWithWrappedCancellationException(g);
3019	<	checkCancelled(f);
3020	<	}
3021	<	}
3696	>	for (CompletableFuture<?> future : fs)
3697	>	future.complete(null);
3698
3699	<	public void testThenCompose_sourceCancelled2() {
3024	<	for (ExecutionMode m : ExecutionMode.values())
3025	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
3699	>	incomplete.complete(v);
3700
3701	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3702	<	assertTrue(f.cancel(mayInterruptIfRunning));
3029	<	final CompletableFutureInc r = new CompletableFutureInc();
3030	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3031	<	checkCompletedWithWrappedCancellationException(g);
3032	<	checkCancelled(f);
3033	<	}
3034	<	}
3701	>	for (CompletableFuture<?> future : fs)
3702	>	checkCompletedNormally(future, null);
3703
3704	<	// asyncs
3704	>	assertEquals(0, e.count.get());
3705	>	}}
3706
3707		/**
3708	<	* thenRunAsync result completes normally after normal completion of source
3708	>	* toCompletableFuture returns this CompletableFuture.
3709		*/
3710	<	public void testThenRunAsync() {
3710	>	public void testToCompletableFuture() {
3711		CompletableFuture<Integer> f = new CompletableFuture<>();
3712	<	Noop r = new Noop();
3044	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3045	<	f.complete(null);
3046	<	checkCompletedNormally(g, null);
3047	<
3048	<	// reordered version
3049	<	f = new CompletableFuture<>();
3050	<	f.complete(null);
3051	<	r = new Noop();
3052	<	g = f.thenRunAsync(r);
3053	<	checkCompletedNormally(g, null);
3712	>	assertSame(f, f.toCompletableFuture());
3713		}
3714
3715	+	// jdk9
3716	+
3717		/**
3718	<	* thenRunAsync result completes exceptionally after exceptional
3058	<	* completion of source
3718	>	* newIncompleteFuture returns an incomplete CompletableFuture
3719		*/
3720	<	public void testThenRunAsync2() {
3720	>	public void testNewIncompleteFuture() {
3721	>	for (Integer v1 : new Integer[] { 1, null })
3722	>	{
3723		CompletableFuture<Integer> f = new CompletableFuture<>();
3724	<	Noop r = new Noop();
3725	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3726	<	f.completeExceptionally(new CFException());
3727	<	try {
3728	<	g.join();
3729	<	shouldThrow();
3730	<	} catch (CompletionException success) {}
3731	<	checkCompletedWithWrappedCFException(g);
3732	<	}
3724	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3725	>	checkIncomplete(f);
3726	>	checkIncomplete(g);
3727	>	f.complete(v1);
3728	>	checkCompletedNormally(f, v1);
3729	>	checkIncomplete(g);
3730	>	g.complete(v1);
3731	>	checkCompletedNormally(g, v1);
3732	>	assertSame(g.getClass(), CompletableFuture.class);
3733	>	}}
3734
3735		/**
3736	<	* thenRunAsync result completes exceptionally if action does
3736	>	* completedStage returns a completed CompletionStage
3737		*/
3738	<	public void testThenRunAsync3() {
3739	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3740	<	FailingNoop r = new FailingNoop();
3741	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3742	<	f.complete(null);
3743	<	checkCompletedWithWrappedCFException(g);
3738	>	public void testCompletedStage() {
3739	>	AtomicInteger x = new AtomicInteger(0);
3740	>	AtomicReference<Throwable> r = new AtomicReference<>();
3741	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3742	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3743	>	assertEquals(x.get(), 1);
3744	>	assertNull(r.get());
3745		}
3746
3747		/**
3748	<	* thenRunAsync result completes exceptionally if source cancelled
3748	>	* defaultExecutor by default returns the commonPool if
3749	>	* it supports more than one thread.
3750		*/
3751	<	public void testThenRunAsync4() {
3751	>	public void testDefaultExecutor() {
3752		CompletableFuture<Integer> f = new CompletableFuture<>();
3753	<	Noop r = new Noop();
3754	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3755	<	assertTrue(f.cancel(true));
3756	<	checkCompletedWithWrappedCancellationException(g);
3753	>	Executor e = f.defaultExecutor();
3754	>	Executor c = ForkJoinPool.commonPool();
3755	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3756	>	assertSame(e, c);
3757	>	else
3758	>	assertNotSame(e, c);
3759		}
3760
3761		/**
3762	<	* thenApplyAsync result completes normally after normal completion of source
3762	>	* failedFuture returns a CompletableFuture completed
3763	>	* exceptionally with the given Exception
3764		*/
3765	<	public void testThenApplyAsync() {
3766	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3767	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3768	<	f.complete(one);
3101	<	checkCompletedNormally(g, two);
3765	>	public void testFailedFuture() {
3766	>	CFException ex = new CFException();
3767	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3768	>	checkCompletedExceptionally(f, ex);
3769		}
3770
3771		/**
3772	<	* thenApplyAsync result completes exceptionally after exceptional
3106	<	* completion of source
3772	>	* failedFuture(null) throws NPE
3773		*/
3774	<	public void testThenApplyAsync2() {
3775	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3776	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3777	<	f.completeExceptionally(new CFException());
3778	<	checkCompletedWithWrappedCFException(g);
3774	>	public void testFailedFuture_null() {
3775	>	try {
3776	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3777	>	shouldThrow();
3778	>	} catch (NullPointerException success) {}
3779		}
3780
3781		/**
3782	<	* thenApplyAsync result completes exceptionally if action does
3782	>	* copy returns a CompletableFuture that is completed normally,
3783	>	* with the same value, when source is.
3784		*/
3785	<	public void testThenApplyAsync3() {
3785	>	public void testCopy_normalCompletion() {
3786	>	for (boolean createIncomplete : new boolean[] { true, false })
3787	>	for (Integer v1 : new Integer[] { 1, null })
3788	>	{
3789		CompletableFuture<Integer> f = new CompletableFuture<>();
3790	<	FailingFunction r = new FailingFunction();
3791	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
3792	<	f.complete(null);
3793	<	checkCompletedWithWrappedCFException(g);
3794	<	}
3790	>	if (!createIncomplete) assertTrue(f.complete(v1));
3791	>	CompletableFuture<Integer> g = f.copy();
3792	>	if (createIncomplete) {
3793	>	checkIncomplete(f);
3794	>	checkIncomplete(g);
3795	>	assertTrue(f.complete(v1));
3796	>	}
3797	>	checkCompletedNormally(f, v1);
3798	>	checkCompletedNormally(g, v1);
3799	>	}}
3800
3801		/**
3802	<	* thenApplyAsync result completes exceptionally if source cancelled
3802	>	* copy returns a CompletableFuture that is completed exceptionally
3803	>	* when source is.
3804		*/
3805	<	public void testThenApplyAsync4() {
3805	>	public void testCopy_exceptionalCompletion() {
3806	>	for (boolean createIncomplete : new boolean[] { true, false })
3807	>	{
3808	>	CFException ex = new CFException();
3809		CompletableFuture<Integer> f = new CompletableFuture<>();
3810	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3811	<	assertTrue(f.cancel(true));
3812	<	checkCompletedWithWrappedCancellationException(g);
3813	<	}
3810	>	if (!createIncomplete) f.completeExceptionally(ex);
3811	>	CompletableFuture<Integer> g = f.copy();
3812	>	if (createIncomplete) {
3813	>	checkIncomplete(f);
3814	>	checkIncomplete(g);
3815	>	f.completeExceptionally(ex);
3816	>	}
3817	>	checkCompletedExceptionally(f, ex);
3818	>	checkCompletedWithWrappedException(g, ex);
3819	>	}}
3820
3821		/**
3822	<	* thenAcceptAsync result completes normally after normal
3138	<	* completion of source
3822	>	* Completion of a copy does not complete its source.
3823		*/
3824	<	public void testThenAcceptAsync() {
3824	>	public void testCopy_oneWayPropagation() {
3825		CompletableFuture<Integer> f = new CompletableFuture<>();
3826	<	IncAction r = new IncAction();
3827	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3828	<	f.complete(one);
3829	<	checkCompletedNormally(g, null);
3830	<	assertEquals(r.value, (Integer) 2);
3826	>	assertTrue(f.copy().complete(1));
3827	>	assertTrue(f.copy().complete(null));
3828	>	assertTrue(f.copy().cancel(true));
3829	>	assertTrue(f.copy().cancel(false));
3830	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3831	>	checkIncomplete(f);
3832		}
3833
3834		/**
3835	<	* thenAcceptAsync result completes exceptionally after exceptional
3836	<	* completion of source
3835	>	* minimalCompletionStage returns a CompletableFuture that is
3836	>	* completed normally, with the same value, when source is.
3837		*/
3838	<	public void testThenAcceptAsync2() {
3838	>	public void testMinimalCompletionStage() {
3839		CompletableFuture<Integer> f = new CompletableFuture<>();
3840	<	IncAction r = new IncAction();
3841	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3842	<	f.completeExceptionally(new CFException());
3843	<	checkCompletedWithWrappedCFException(g);
3840	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3841	>	AtomicInteger x = new AtomicInteger(0);
3842	>	AtomicReference<Throwable> r = new AtomicReference<>();
3843	>	checkIncomplete(f);
3844	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3845	>	f.complete(1);
3846	>	checkCompletedNormally(f, 1);
3847	>	assertEquals(x.get(), 1);
3848	>	assertNull(r.get());
3849		}
3850
3851		/**
3852	<	* thenAcceptAsync result completes exceptionally if action does
3852	>	* minimalCompletionStage returns a CompletableFuture that is
3853	>	* completed exceptionally when source is.
3854		*/
3855	<	public void testThenAcceptAsync3() {
3855	>	public void testMinimalCompletionStage2() {
3856		CompletableFuture<Integer> f = new CompletableFuture<>();
3857	<	FailingConsumer r = new FailingConsumer();
3858	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3859	<	f.complete(null);
3860	<	checkCompletedWithWrappedCFException(g);
3857	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3858	>	AtomicInteger x = new AtomicInteger(0);
3859	>	AtomicReference<Throwable> r = new AtomicReference<>();
3860	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3861	>	checkIncomplete(f);
3862	>	CFException ex = new CFException();
3863	>	f.completeExceptionally(ex);
3864	>	checkCompletedExceptionally(f, ex);
3865	>	assertEquals(x.get(), 0);
3866	>	assertEquals(r.get().getCause(), ex);
3867		}
3868
3869		/**
3870	<	* thenAcceptAsync result completes exceptionally if source cancelled
3870	>	* failedStage returns a CompletionStage completed
3871	>	* exceptionally with the given Exception
3872		*/
3873	<	public void testThenAcceptAsync4() {
3874	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3875	<	IncAction r = new IncAction();
3876	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3877	<	assertTrue(f.cancel(true));
3878	<	checkCompletedWithWrappedCancellationException(g);
3873	>	public void testFailedStage() {
3874	>	CFException ex = new CFException();
3875	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3876	>	AtomicInteger x = new AtomicInteger(0);
3877	>	AtomicReference<Throwable> r = new AtomicReference<>();
3878	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3879	>	assertEquals(x.get(), 0);
3880	>	assertEquals(r.get(), ex);
3881		}
3882
3183	–	// async with explicit executors
3184	–
3883		/**
3884	<	* thenRunAsync result completes normally after normal completion of source
3884	>	* completeAsync completes with value of given supplier
3885		*/
3886	<	public void testThenRunAsyncE() {
3886	>	public void testCompleteAsync() {
3887	>	for (Integer v1 : new Integer[] { 1, null })
3888	>	{
3889		CompletableFuture<Integer> f = new CompletableFuture<>();
3890	<	Noop r = new Noop();
3891	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3892	<	f.complete(null);
3893	<	checkCompletedNormally(g, null);
3194	<
3195	<	// reordered version
3196	<	f = new CompletableFuture<>();
3197	<	f.complete(null);
3198	<	r = new Noop();
3199	<	g = f.thenRunAsync(r, new ThreadExecutor());
3200	<	checkCompletedNormally(g, null);
3201	<	}
3890	>	f.completeAsync(() -> v1);
3891	>	f.join();
3892	>	checkCompletedNormally(f, v1);
3893	>	}}
3894
3895		/**
3896	<	* thenRunAsync result completes exceptionally after exceptional
3205	<	* completion of source
3896	>	* completeAsync completes exceptionally if given supplier throws
3897		*/
3898	<	public void testThenRunAsync2E() {
3898	>	public void testCompleteAsync2() {
3899		CompletableFuture<Integer> f = new CompletableFuture<>();
3900	<	Noop r = new Noop();
3901	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3211	<	f.completeExceptionally(new CFException());
3900	>	CFException ex = new CFException();
3901	>	f.completeAsync(() -> { throw ex; });
3902		try {
3903	<	g.join();
3903	>	f.join();
3904		shouldThrow();
3905		} catch (CompletionException success) {}
3906	<	checkCompletedWithWrappedCFException(g);
3906	>	checkCompletedWithWrappedException(f, ex);
3907		}
3908
3909		/**
3910	<	* thenRunAsync result completes exceptionally if action does
3910	>	* completeAsync with given executor completes with value of given supplier
3911		*/
3912	<	public void testThenRunAsync3E() {
3912	>	public void testCompleteAsync3() {
3913	>	for (Integer v1 : new Integer[] { 1, null })
3914	>	{
3915		CompletableFuture<Integer> f = new CompletableFuture<>();
3916	<	FailingNoop r = new FailingNoop();
3917	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3918	<	f.complete(null);
3919	<	checkCompletedWithWrappedCFException(g);
3920	<	}
3916	>	ThreadExecutor executor = new ThreadExecutor();
3917	>	f.completeAsync(() -> v1, executor);
3918	>	assertSame(v1, f.join());
3919	>	checkCompletedNormally(f, v1);
3920	>	assertEquals(1, executor.count.get());
3921	>	}}
3922
3923		/**
3924	<	* thenRunAsync result completes exceptionally if source cancelled
3924	>	* completeAsync with given executor completes exceptionally if
3925	>	* given supplier throws
3926		*/
3927	<	public void testThenRunAsync4E() {
3927	>	public void testCompleteAsync4() {
3928		CompletableFuture<Integer> f = new CompletableFuture<>();
3929	<	Noop r = new Noop();
3930	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3931	<	assertTrue(f.cancel(true));
3932	<	checkCompletedWithWrappedCancellationException(g);
3929	>	CFException ex = new CFException();
3930	>	ThreadExecutor executor = new ThreadExecutor();
3931	>	f.completeAsync(() -> { throw ex; }, executor);
3932	>	try {
3933	>	f.join();
3934	>	shouldThrow();
3935	>	} catch (CompletionException success) {}
3936	>	checkCompletedWithWrappedException(f, ex);
3937	>	assertEquals(1, executor.count.get());
3938		}
3939
3940		/**
3941	<	* thenApplyAsync result completes normally after normal completion of source
3941	>	* orTimeout completes with TimeoutException if not complete
3942		*/
3943	<	public void testThenApplyAsyncE() {
3943	>	public void testOrTimeout_timesOut() {
3944	>	long timeoutMillis = timeoutMillis();
3945		CompletableFuture<Integer> f = new CompletableFuture<>();
3946	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3947	<	f.complete(one);
3948	<	checkCompletedNormally(g, two);
3946	>	long startTime = System.nanoTime();
3947	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3948	>	checkCompletedWithTimeoutException(f);
3949	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3950		}
3951
3952		/**
3953	<	* thenApplyAsync result completes exceptionally after exceptional
3253	<	* completion of source
3953	>	* orTimeout completes normally if completed before timeout
3954		*/
3955	<	public void testThenApplyAsync2E() {
3955	>	public void testOrTimeout_completed() {
3956	>	for (Integer v1 : new Integer[] { 1, null })
3957	>	{
3958		CompletableFuture<Integer> f = new CompletableFuture<>();
3959	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3960	<	f.completeExceptionally(new CFException());
3961	<	checkCompletedWithWrappedCFException(g);
3962	<	}
3959	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3960	>	long startTime = System.nanoTime();
3961	>	f.complete(v1);
3962	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3963	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3964	>	g.complete(v1);
3965	>	checkCompletedNormally(f, v1);
3966	>	checkCompletedNormally(g, v1);
3967	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3968	>	}}
3969
3970		/**
3971	<	* thenApplyAsync result completes exceptionally if action does
3971	>	* completeOnTimeout completes with given value if not complete
3972		*/
3973	<	public void testThenApplyAsync3E() {
3974	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3975	<	FailingFunction r = new FailingFunction();
3268	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3269	<	f.complete(null);
3270	<	checkCompletedWithWrappedCFException(g);
3973	>	public void testCompleteOnTimeout_timesOut() {
3974	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3975	>	() -> testCompleteOnTimeout_timesOut(null));
3976		}
3977
3978		/**
3979	<	* thenApplyAsync result completes exceptionally if source cancelled
3979	>	* completeOnTimeout completes with given value if not complete
3980		*/
3981	<	public void testThenApplyAsync4E() {
3981	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3982	>	long timeoutMillis = timeoutMillis();
3983		CompletableFuture<Integer> f = new CompletableFuture<>();
3984	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3985	<	assertTrue(f.cancel(true));
3986	<	checkCompletedWithWrappedCancellationException(g);
3984	>	long startTime = System.nanoTime();
3985	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3986	>	assertSame(v, f.join());
3987	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3988	>	f.complete(99);         // should have no effect
3989	>	checkCompletedNormally(f, v);
3990		}
3991
3992		/**
3993	<	* thenAcceptAsync result completes normally after normal
3285	<	* completion of source
3993	>	* completeOnTimeout has no effect if completed within timeout
3994		*/
3995	<	public void testThenAcceptAsyncE() {
3995	>	public void testCompleteOnTimeout_completed() {
3996	>	for (Integer v1 : new Integer[] { 1, null })
3997	>	{
3998		CompletableFuture<Integer> f = new CompletableFuture<>();
3999	<	IncAction r = new IncAction();
4000	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
4001	<	f.complete(one);
4002	<	checkCompletedNormally(g, null);
4003	<	assertEquals(r.value, (Integer) 2);
4004	<	}
3999	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4000	>	long startTime = System.nanoTime();
4001	>	f.complete(v1);
4002	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
4003	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
4004	>	g.complete(v1);
4005	>	checkCompletedNormally(f, v1);
4006	>	checkCompletedNormally(g, v1);
4007	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
4008	>	}}
4009
4010		/**
4011	<	* thenAcceptAsync result completes exceptionally after exceptional
3298	<	* completion of source
4011	>	* delayedExecutor returns an executor that delays submission
4012		*/
4013	<	public void testThenAcceptAsync2E() {
4014	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4015	<	IncAction r = new IncAction();
4016	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
4017	<	f.completeExceptionally(new CFException());
4018	<	checkCompletedWithWrappedCFException(g);
4019	<	}
4013	>	public void testDelayedExecutor() {
4014	>	testInParallel(() -> testDelayedExecutor(null, null),
4015	>	() -> testDelayedExecutor(null, 1),
4016	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
4017	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
4018	>	}
4019	>
4020	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
4021	>	long timeoutMillis = timeoutMillis();
4022	>	// Use an "unreasonably long" long timeout to catch lingering threads
4023	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
4024	>	final Executor delayer, longDelayer;
4025	>	if (executor == null) {
4026	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
4027	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
4028	>	} else {
4029	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
4030	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
4031	>	}
4032	>	long startTime = System.nanoTime();
4033	>	CompletableFuture<Integer> f =
4034	>	CompletableFuture.supplyAsync(() -> v, delayer);
4035	>	CompletableFuture<Integer> g =
4036	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
4037	>
4038	>	assertNull(g.getNow(null));
4039	>
4040	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
4041	>	long millisElapsed = millisElapsedSince(startTime);
4042	>	assertTrue(millisElapsed >= timeoutMillis);
4043	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
4044	>
4045	>	checkCompletedNormally(f, v);
4046	>
4047	>	checkIncomplete(g);
4048	>	assertTrue(g.cancel(true));
4049	>	}
4050	>
4051	>	//--- tests of implementation details; not part of official tck ---
4052	>
4053	>	Object resultOf(CompletableFuture<?> f) {
4054	>	SecurityManager sm = System.getSecurityManager();
4055	>	if (sm != null) {
4056	>	try {
4057	>	System.setSecurityManager(null);
4058	>	} catch (SecurityException giveUp) {
4059	>	return "Reflection not available";
4060	>	}
4061	>	}
4062
4063	<	/**
4064	<	* thenAcceptAsync result completes exceptionally if action does
4065	<	*/
4066	<	public void testThenAcceptAsync3E() {
4067	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4068	<	FailingConsumer r = new FailingConsumer();
4069	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
4070	<	f.complete(null);
4071	<	checkCompletedWithWrappedCFException(g);
4063	>	try {
4064	>	java.lang.reflect.Field resultField
4065	>	= CompletableFuture.class.getDeclaredField("result");
4066	>	resultField.setAccessible(true);
4067	>	return resultField.get(f);
4068	>	} catch (Throwable t) {
4069	>	throw new AssertionError(t);
4070	>	} finally {
4071	>	if (sm != null) System.setSecurityManager(sm);
4072	>	}
4073		}
4074
4075	<	/**
4076	<	* thenAcceptAsync result completes exceptionally if source cancelled
4077	<	*/
4078	<	public void testThenAcceptAsync4E() {
4079	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4080	<	IncAction r = new IncAction();
4081	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3326	<	assertTrue(f.cancel(true));
3327	<	checkCompletedWithWrappedCancellationException(g);
3328	<	}
4075	>	public void testExceptionPropagationReusesResultObject() {
4076	>	if (!testImplementationDetails) return;
4077	>	for (ExecutionMode m : ExecutionMode.values())
4078	>	{
4079	>	final CFException ex = new CFException();
4080	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4081	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4082
4083	<	// other static methods
4083	>	final Runnable noopRunnable = new Noop(m);
4084	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4085	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4086	>
4087	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4088	>	= new ArrayList<>();
4089	>
4090	>	funs.add(y -> m.thenRun(y, noopRunnable));
4091	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4092	>	funs.add(y -> m.thenApply(y, incFunction));
4093	>
4094	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4095	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4096	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4097	>
4098	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4099	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4100	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4101	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4102	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4103	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4104	>
4105	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4106	>
4107	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4108	>
4109	>	funs.add(y -> CompletableFuture.allOf(y));
4110	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4111	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4112	>	funs.add(y -> CompletableFuture.anyOf(y));
4113	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4114	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4115
4116	<	/**
4117	<	* allOf(no component futures) returns a future completed normally
4118	<	* with the value null
4119	<	*/
4120	<	public void testAllOf_empty() throws Exception {
4121	<	CompletableFuture<Void> f = CompletableFuture.allOf();
4122	<	checkCompletedNormally(f, null);
4123	<	}
4116	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4117	>	fun : funs) {
4118	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4119	>	f.completeExceptionally(ex);
4120	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4121	>	checkCompletedWithWrappedException(src, ex);
4122	>	CompletableFuture<?> dep = fun.apply(src);
4123	>	checkCompletedWithWrappedException(dep, ex);
4124	>	assertSame(resultOf(src), resultOf(dep));
4125	>	}
4126
4127	<	/**
4128	<	* allOf returns a future completed normally with the value null
4129	<	* when all components complete normally
4130	<	*/
4131	<	public void testAllOf_normal() throws Exception {
4132	<	for (int k = 1; k < 20; ++k) {
4133	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
4134	<	for (int i = 0; i < k; ++i)
4135	<	fs[i] = new CompletableFuture<>();
3350	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3351	<	for (int i = 0; i < k; ++i) {
3352	<	checkIncomplete(f);
3353	<	checkIncomplete(CompletableFuture.allOf(fs));
3354	<	fs[i].complete(one);
3355	<	}
3356	<	checkCompletedNormally(f, null);
3357	<	checkCompletedNormally(CompletableFuture.allOf(fs), null);
4127	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4128	>	fun : funs) {
4129	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4130	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4131	>	CompletableFuture<?> dep = fun.apply(src);
4132	>	f.completeExceptionally(ex);
4133	>	checkCompletedWithWrappedException(src, ex);
4134	>	checkCompletedWithWrappedException(dep, ex);
4135	>	assertSame(resultOf(src), resultOf(dep));
4136		}
4137	<	}
4137	>
4138	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4139	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4140	>	fun : funs) {
4141	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4142	>	f.cancel(mayInterruptIfRunning);
4143	>	checkCancelled(f);
4144	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4145	>	checkCompletedWithWrappedCancellationException(src);
4146	>	CompletableFuture<?> dep = fun.apply(src);
4147	>	checkCompletedWithWrappedCancellationException(dep);
4148	>	assertSame(resultOf(src), resultOf(dep));
4149	>	}
4150	>
4151	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4152	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4153	>	fun : funs) {
4154	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4155	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4156	>	CompletableFuture<?> dep = fun.apply(src);
4157	>	f.cancel(mayInterruptIfRunning);
4158	>	checkCancelled(f);
4159	>	checkCompletedWithWrappedCancellationException(src);
4160	>	checkCompletedWithWrappedCancellationException(dep);
4161	>	assertSame(resultOf(src), resultOf(dep));
4162	>	}
4163	>	}}
4164
4165		/**
4166	<	* anyOf(no component futures) returns an incomplete future
4166	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4167		*/
4168	<	public void testAnyOf_empty() throws Exception {
4169	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
4170	<	checkIncomplete(f);
4168	>	public void testMinimalCompletionStage_minimality() {
4169	>	if (!testImplementationDetails) return;
4170	>	Function<Method, String> toSignature =
4171	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4172	>	Predicate<Method> isNotStatic =
4173	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4174	>	List<Method> minimalMethods =
4175	>	Stream.of(Object.class, CompletionStage.class)
4176	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4177	>	.filter(isNotStatic)
4178	>	.collect(Collectors.toList());
4179	>	// Methods from CompletableFuture permitted NOT to throw UOE
4180	>	String[] signatureWhitelist = {
4181	>	"newIncompleteFuture[]",
4182	>	"defaultExecutor[]",
4183	>	"minimalCompletionStage[]",
4184	>	"copy[]",
4185	>	};
4186	>	Set<String> permittedMethodSignatures =
4187	>	Stream.concat(minimalMethods.stream().map(toSignature),
4188	>	Stream.of(signatureWhitelist))
4189	>	.collect(Collectors.toSet());
4190	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4191	>	.filter(isNotStatic)
4192	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4193	>	.collect(Collectors.toList());
4194	>
4195	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4196	>	CompletionStage<Integer> min =
4197	>	new CompletableFuture<Integer>().minimalCompletionStage();
4198	>	stages.add(min);
4199	>	stages.add(min.thenApply(x -> x));
4200	>	stages.add(CompletableFuture.completedStage(1));
4201	>	stages.add(CompletableFuture.failedStage(new CFException()));
4202	>
4203	>	List<Method> bugs = new ArrayList<>();
4204	>	for (Method method : allMethods) {
4205	>	Class<?>[] parameterTypes = method.getParameterTypes();
4206	>	Object[] args = new Object[parameterTypes.length];
4207	>	// Manufacture boxed primitives for primitive params
4208	>	for (int i = 0; i < args.length; i++) {
4209	>	Class<?> type = parameterTypes[i];
4210	>	if (parameterTypes[i] == boolean.class)
4211	>	args[i] = false;
4212	>	else if (parameterTypes[i] == int.class)
4213	>	args[i] = 0;
4214	>	else if (parameterTypes[i] == long.class)
4215	>	args[i] = 0L;
4216	>	}
4217	>	for (CompletionStage<Integer> stage : stages) {
4218	>	try {
4219	>	method.invoke(stage, args);
4220	>	bugs.add(method);
4221	>	}
4222	>	catch (java.lang.reflect.InvocationTargetException expected) {
4223	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4224	>	bugs.add(method);
4225	>	// expected.getCause().printStackTrace();
4226	>	}
4227	>	}
4228	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4229	>	}
4230	>	}
4231	>	if (!bugs.isEmpty())
4232	>	throw new Error("Methods did not throw UOE: " + bugs);
4233		}
4234
4235		/**
4236	<	* anyOf returns a future completed normally with a value when
4237	<	* a component future does
4236	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4237	>	* is completed normally, with the same value, when source is.
4238		*/
4239	<	public void testAnyOf_normal() throws Exception {
4240	<	for (int k = 0; k < 10; ++k) {
4241	<	CompletableFuture[] fs = new CompletableFuture[k];
4242	<	for (int i = 0; i < k; ++i)
4243	<	fs[i] = new CompletableFuture<>();
4244	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4239	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4240	>	for (boolean createIncomplete : new boolean[] { true, false })
4241	>	for (Integer v1 : new Integer[] { 1, null })
4242	>	{
4243	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4244	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4245	>	if (!createIncomplete) assertTrue(f.complete(v1));
4246	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4247	>	if (createIncomplete) {
4248		checkIncomplete(f);
4249	<	for (int i = 0; i < k; ++i) {
4250	<	fs[i].complete(one);
3382	<	checkCompletedNormally(f, one);
3383	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3384	<	}
4249	>	checkIncomplete(g);
4250	>	assertTrue(f.complete(v1));
4251		}
4252	<	}
4252	>	checkCompletedNormally(f, v1);
4253	>	checkCompletedNormally(g, v1);
4254	>	}}
4255
4256		/**
4257	<	* anyOf result completes exceptionally when any component does.
4257	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4258	>	* is completed exceptionally when source is.
4259		*/
4260	<	public void testAnyOf_exceptional() throws Exception {
4261	<	for (int k = 0; k < 10; ++k) {
4262	<	CompletableFuture[] fs = new CompletableFuture[k];
4263	<	for (int i = 0; i < k; ++i)
4264	<	fs[i] = new CompletableFuture<>();
4265	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4260	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4261	>	for (boolean createIncomplete : new boolean[] { true, false })
4262	>	{
4263	>	CFException ex = new CFException();
4264	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4265	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4266	>	if (!createIncomplete) f.completeExceptionally(ex);
4267	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4268	>	if (createIncomplete) {
4269		checkIncomplete(f);
4270	<	for (int i = 0; i < k; ++i) {
4271	<	fs[i].completeExceptionally(new CFException());
3400	<	checkCompletedWithWrappedCFException(f);
3401	<	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3402	<	}
4270	>	checkIncomplete(g);
4271	>	f.completeExceptionally(ex);
4272		}
4273	<	}
4273	>	checkCompletedExceptionally(f, ex);
4274	>	checkCompletedWithWrappedException(g, ex);
4275	>	}}
4276
4277		/**
4278	<	* Completion methods throw NullPointerException with null arguments
4278	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4279		*/
4280	<	public void testNPE() {
4280	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4281	>	for (Integer v1 : new Integer[] { 1, null })
4282	>	{
4283		CompletableFuture<Integer> f = new CompletableFuture<>();
4284	<	CompletableFuture<Integer> g = new CompletableFuture<>();
4285	<	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
4286	<	CompletableFuture<?> h;
4287	<	ThreadExecutor exec = new ThreadExecutor();
4288	<
4289	<	Runnable[] throwingActions = {
4290	<	() -> CompletableFuture.supplyAsync(null),
3418	<	() -> CompletableFuture.supplyAsync(null, exec),
3419	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3420	<
3421	<	() -> CompletableFuture.runAsync(null),
3422	<	() -> CompletableFuture.runAsync(null, exec),
3423	<	() -> CompletableFuture.runAsync(() -> {}, null),
3424	<
3425	<	() -> f.completeExceptionally(null),
3426	<
3427	<	() -> f.thenApply(null),
3428	<	() -> f.thenApplyAsync(null),
3429	<	() -> f.thenApplyAsync((x) -> x, null),
3430	<	() -> f.thenApplyAsync(null, exec),
4284	>	CompletionStage minimal = f.minimalCompletionStage();
4285	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4286	>	assertTrue(g.complete(v1));
4287	>	checkCompletedNormally(g, v1);
4288	>	checkIncomplete(f);
4289	>	checkIncomplete(minimal.toCompletableFuture());
4290	>	}}
4291
4292	<	() -> f.thenAccept(null),
4293	<	() -> f.thenAcceptAsync(null),
4294	<	() -> f.thenAcceptAsync((x) -> {} , null),
4295	<	() -> f.thenAcceptAsync(null, exec),
4292	>	/**
4293	>	* minimalStage.toCompletableFuture().join() awaits completion
4294	>	*/
4295	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4296	>	for (boolean createIncomplete : new boolean[] { true, false })
4297	>	for (Integer v1 : new Integer[] { 1, null })
4298	>	{
4299	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4300	>	if (!createIncomplete) assertTrue(f.complete(v1));
4301	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4302	>	if (createIncomplete) assertTrue(f.complete(v1));
4303	>	assertEquals(v1, minimal.toCompletableFuture().join());
4304	>	assertEquals(v1, minimal.toCompletableFuture().get());
4305	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4306	>	}}
4307
4308	<	() -> f.thenRun(null),
4309	<	() -> f.thenRunAsync(null),
4310	<	() -> f.thenRunAsync(() -> {} , null),
4311	<	() -> f.thenRunAsync(null, exec),
4308	>	/**
4309	>	* Completion of a toCompletableFuture copy of a minimal stage
4310	>	* does not complete its source.
4311	>	*/
4312	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4313	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4314	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4315	>	assertTrue(g.toCompletableFuture().complete(1));
4316	>	assertTrue(g.toCompletableFuture().complete(null));
4317	>	assertTrue(g.toCompletableFuture().cancel(true));
4318	>	assertTrue(g.toCompletableFuture().cancel(false));
4319	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4320	>	checkIncomplete(g.toCompletableFuture());
4321	>	f.complete(1);
4322	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4323	>	}
4324
4325	<	() -> f.thenCombine(g, null),
4326	<	() -> f.thenCombineAsync(g, null),
4327	<	() -> f.thenCombineAsync(g, null, exec),
4328	<	() -> f.thenCombine(nullFuture, (x, y) -> x),
4329	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
4330	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
4331	<	() -> f.thenCombineAsync(g, (x, y) -> x, null),
4325	>	/** Demo utility method for external reliable toCompletableFuture */
4326	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4327	>	CompletableFuture<T> f = new CompletableFuture<>();
4328	>	stage.handle((T t, Throwable ex) -> {
4329	>	if (ex != null) f.completeExceptionally(ex);
4330	>	else f.complete(t);
4331	>	return null;
4332	>	});
4333	>	return f;
4334	>	}
4335
4336	<	() -> f.thenAcceptBoth(g, null),
4337	<	() -> f.thenAcceptBothAsync(g, null),
4338	<	() -> f.thenAcceptBothAsync(g, null, exec),
4339	<	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3454	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3455	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3456	<	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
4336	>	/** Demo utility method to join a CompletionStage */
4337	>	static <T> T join(CompletionStage<T> stage) {
4338	>	return toCompletableFuture(stage).join();
4339	>	}
4340
4341	<	() -> f.runAfterBoth(g, null),
4342	<	() -> f.runAfterBothAsync(g, null),
4343	<	() -> f.runAfterBothAsync(g, null, exec),
4344	<	() -> f.runAfterBoth(nullFuture, () -> {}),
4345	<	() -> f.runAfterBothAsync(nullFuture, () -> {}),
4346	<	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
4347	<	() -> f.runAfterBothAsync(g, () -> {}, null),
4341	>	/**
4342	>	* Joining a minimal stage "by hand" works
4343	>	*/
4344	>	public void testMinimalCompletionStage_join_by_hand() {
4345	>	for (boolean createIncomplete : new boolean[] { true, false })
4346	>	for (Integer v1 : new Integer[] { 1, null })
4347	>	{
4348	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4349	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4350	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4351	>	if (!createIncomplete) assertTrue(f.complete(v1));
4352	>	minimal.thenAccept(x -> g.complete(x));
4353	>	if (createIncomplete) assertTrue(f.complete(v1));
4354	>	g.join();
4355	>	checkCompletedNormally(g, v1);
4356	>	checkCompletedNormally(f, v1);
4357	>	assertEquals(v1, join(minimal));
4358	>	}}
4359
4360	<	() -> f.applyToEither(g, null),
4361	<	() -> f.applyToEitherAsync(g, null),
4362	<	() -> f.applyToEitherAsync(g, null, exec),
4363	<	() -> f.applyToEither(nullFuture, (x) -> x),
4364	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
4365	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
4366	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
4360	>	static class Monad {
4361	>	static class ZeroException extends RuntimeException {
4362	>	public ZeroException() { super("monadic zero"); }
4363	>	}
4364	>	// "return", "unit"
4365	>	static <T> CompletableFuture<T> unit(T value) {
4366	>	return completedFuture(value);
4367	>	}
4368	>	// monadic zero ?
4369	>	static <T> CompletableFuture<T> zero() {
4370	>	return failedFuture(new ZeroException());
4371	>	}
4372	>	// >=>
4373	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4374	>	(Function<T, CompletableFuture<U>> f,
4375	>	Function<U, CompletableFuture<V>> g) {
4376	>	return x -> f.apply(x).thenCompose(g);
4377	>	}
4378	>
4379	>	static void assertZero(CompletableFuture<?> f) {
4380	>	try {
4381	>	f.getNow(null);
4382	>	throw new AssertionError("should throw");
4383	>	} catch (CompletionException success) {
4384	>	assertTrue(success.getCause() instanceof ZeroException);
4385	>	}
4386	>	}
4387
4388	<	() -> f.acceptEither(g, null),
4389	<	() -> f.acceptEitherAsync(g, null),
4390	<	() -> f.acceptEitherAsync(g, null, exec),
4391	<	() -> f.acceptEither(nullFuture, (x) -> {}),
4392	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
4393	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
4394	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
4388	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4389	>	CompletableFuture<T> g) {
4390	>	T fval = null, gval = null;
4391	>	Throwable fex = null, gex = null;
4392	>
4393	>	try { fval = f.get(); }
4394	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4395	>	catch (Throwable ex) { fex = ex; }
4396	>
4397	>	try { gval = g.get(); }
4398	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4399	>	catch (Throwable ex) { gex = ex; }
4400	>
4401	>	if (fex != null || gex != null)
4402	>	assertSame(fex.getClass(), gex.getClass());
4403	>	else
4404	>	assertEquals(fval, gval);
4405	>	}
4406	>
4407	>	static class PlusFuture<T> extends CompletableFuture<T> {
4408	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4409	>	}
4410	>
4411	>	/** Implements "monadic plus". */
4412	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4413	>	CompletableFuture<? extends T> g) {
4414	>	PlusFuture<T> plus = new PlusFuture<T>();
4415	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4416	>	try {
4417	>	if (ex == null) {
4418	>	if (plus.complete(result))
4419	>	if (plus.firstFailure.get() != null)
4420	>	plus.firstFailure.set(null);
4421	>	}
4422	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4423	>	if (plus.isDone())
4424	>	plus.firstFailure.set(null);
4425	>	}
4426	>	else {
4427	>	// first failure has precedence
4428	>	Throwable first = plus.firstFailure.getAndSet(null);
4429	>
4430	>	// may fail with "Self-suppression not permitted"
4431	>	try { first.addSuppressed(ex); }
4432	>	catch (Exception ignored) {}
4433	>
4434	>	plus.completeExceptionally(first);
4435	>	}
4436	>	} catch (Throwable unexpected) {
4437	>	plus.completeExceptionally(unexpected);
4438	>	}
4439	>	};
4440	>	f.whenComplete(action);
4441	>	g.whenComplete(action);
4442	>	return plus;
4443	>	}
4444	>	}
4445	>
4446	>	/**
4447	>	* CompletableFuture is an additive monad - sort of.
4448	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4449	>	*/
4450	>	public void testAdditiveMonad() throws Throwable {
4451	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4452	>	CompletableFuture<Long> zero = Monad.zero();
4453	>
4454	>	// Some mutually non-commutative functions
4455	>	Function<Long, CompletableFuture<Long>> triple
4456	>	= x -> Monad.unit(3 * x);
4457	>	Function<Long, CompletableFuture<Long>> inc
4458	>	= x -> Monad.unit(x + 1);
4459	>
4460	>	// unit is a right identity: m >>= unit === m
4461	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4462	>	inc.apply(5L));
4463	>	// unit is a left identity: (unit x) >>= f === f x
4464	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4465	>	inc.apply(5L));
4466	>
4467	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4468	>	Monad.assertFutureEquals(
4469	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4470	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4471	>
4472	>	// The case for CompletableFuture as an additive monad is weaker...
4473	>
4474	>	// zero is a monadic zero
4475	>	Monad.assertZero(zero);
4476	>
4477	>	// left zero: zero >>= f === zero
4478	>	Monad.assertZero(zero.thenCompose(inc));
4479	>	// right zero: f >>= (\x -> zero) === zero
4480	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4481	>
4482	>	// f plus zero === f
4483	>	Monad.assertFutureEquals(Monad.unit(5L),
4484	>	Monad.plus(Monad.unit(5L), zero));
4485	>	// zero plus f === f
4486	>	Monad.assertFutureEquals(Monad.unit(5L),
4487	>	Monad.plus(zero, Monad.unit(5L)));
4488	>	// zero plus zero === zero
4489	>	Monad.assertZero(Monad.plus(zero, zero));
4490	>	{
4491	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4492	>	Monad.unit(8L));
4493	>	// non-determinism
4494	>	assertTrue(f.get() == 5L || f.get() == 8L);
4495	>	}
4496	>
4497	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4498	>	// f plus godot === f (doesn't wait for godot)
4499	>	Monad.assertFutureEquals(Monad.unit(5L),
4500	>	Monad.plus(Monad.unit(5L), godot));
4501	>	// godot plus f === f (doesn't wait for godot)
4502	>	Monad.assertFutureEquals(Monad.unit(5L),
4503	>	Monad.plus(godot, Monad.unit(5L)));
4504	>	}
4505	>
4506	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4507	>	@SuppressWarnings("FutureReturnValueIgnored")
4508	>	public void testRecursiveChains() throws Throwable {
4509	>	for (ExecutionMode m : ExecutionMode.values())
4510	>	for (boolean addDeadEnds : new boolean[] { true, false })
4511	>	{
4512	>	final int val = 42;
4513	>	final int n = expensiveTests ? 1_000 : 2;
4514	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4515	>	CompletableFuture<Integer> tail = head;
4516	>	for (int i = 0; i < n; i++) {
4517	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4518	>	tail = m.thenApply(tail, v -> v + 1);
4519	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4520	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4521	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4522	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4523	>	}
4524	>	head.complete(val);
4525	>	assertEquals(val + 3 * n, (int) tail.join());
4526	>	}}
4527
4528	<	() -> f.runAfterEither(g, null),
4529	<	() -> f.runAfterEitherAsync(g, null),
4530	<	() -> f.runAfterEitherAsync(g, null, exec),
4531	<	() -> f.runAfterEither(nullFuture, () -> {}),
4532	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
4533	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
4534	<	() -> f.runAfterEitherAsync(g, () -> {}, null),
4528	>	/**
4529	>	* A single CompletableFuture with many dependents.
4530	>	* A demo of scalability - runtime is O(n).
4531	>	*/
4532	>	@SuppressWarnings("FutureReturnValueIgnored")
4533	>	public void testManyDependents() throws Throwable {
4534	>	final int n = expensiveTests ? 1_000_000 : 10;
4535	>	final CompletableFuture<Void> head = new CompletableFuture<>();
4536	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4537	>	final AtomicInteger count = new AtomicInteger(0);
4538	>	for (int i = 0; i < n; i++) {
4539	>	head.thenRun(() -> count.getAndIncrement());
4540	>	head.thenAccept(x -> count.getAndIncrement());
4541	>	head.thenApply(x -> count.getAndIncrement());
4542	>
4543	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
4544	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4545	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4546	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
4547	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4548	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4549	>
4550	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4551	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4552	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4553	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4554	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4555	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4556	>	}
4557	>	head.complete(null);
4558	>	assertEquals(5 * 3 * n, count.get());
4559	>	}
4560	>
4561	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4562	>	@SuppressWarnings("FutureReturnValueIgnored")
4563	>	public void testCoCompletionGarbageRetention() throws Throwable {
4564	>	final int n = expensiveTests ? 1_000_000 : 10;
4565	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4566	>	CompletableFuture<Integer> f;
4567	>	for (int i = 0; i < n; i++) {
4568	>	f = new CompletableFuture<>();
4569	>	f.runAfterEither(incomplete, () -> {});
4570	>	f.complete(null);
4571
4572	<	() -> f.thenCompose(null),
4573	<	() -> f.thenComposeAsync(null),
4574	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3493	<	() -> f.thenComposeAsync(null, exec),
4572	>	f = new CompletableFuture<>();
4573	>	f.acceptEither(incomplete, x -> {});
4574	>	f.complete(null);
4575
4576	<	() -> f.exceptionally(null),
4576	>	f = new CompletableFuture<>();
4577	>	f.applyToEither(incomplete, x -> x);
4578	>	f.complete(null);
4579
4580	<	() -> f.handle(null),
4580	>	f = new CompletableFuture<>();
4581	>	CompletableFuture.anyOf(f, incomplete);
4582	>	f.complete(null);
4583	>	}
4584
4585	<	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
4586	<	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
4587	<	() -> CompletableFuture.allOf(f, null),
4588	<	() -> CompletableFuture.allOf(null, f),
4585	>	for (int i = 0; i < n; i++) {
4586	>	f = new CompletableFuture<>();
4587	>	incomplete.runAfterEither(f, () -> {});
4588	>	f.complete(null);
4589
4590	<	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
4591	<	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
4592	<	() -> CompletableFuture.anyOf(f, null),
3507	<	() -> CompletableFuture.anyOf(null, f),
4590	>	f = new CompletableFuture<>();
4591	>	incomplete.acceptEither(f, x -> {});
4592	>	f.complete(null);
4593
4594	<	() -> f.obtrudeException(null),
4595	<	};
4594	>	f = new CompletableFuture<>();
4595	>	incomplete.applyToEither(f, x -> x);
4596	>	f.complete(null);
4597
4598	<	assertThrows(NullPointerException.class, throwingActions);
4599	<	assertEquals(0, exec.count.get());
4598	>	f = new CompletableFuture<>();
4599	>	CompletableFuture.anyOf(incomplete, f);
4600	>	f.complete(null);
4601	>	}
4602		}
4603
4604		/**
4605	<	* toCompletableFuture returns this CompletableFuture.
4605	>	* Reproduction recipe for:
4606	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4607	>	* 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
4608		*/
4609	<	public void testToCompletableFuture() {
4610	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4611	<	assertSame(f, f.toCompletableFuture());
4609	>	public void testAnyOfGarbageRetention() throws Throwable {
4610	>	for (Integer v : new Integer[] { 1, null })
4611	>	{
4612	>	final int n = expensiveTests ? 100_000 : 10;
4613	>	CompletableFuture<Integer>[] fs
4614	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4615	>	for (int i = 0; i < fs.length; i++)
4616	>	fs[i] = new CompletableFuture<>();
4617	>	fs[fs.length - 1].complete(v);
4618	>	for (int i = 0; i < n; i++)
4619	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4620	>	}}
4621	>
4622	>	/**
4623	>	* Checks for garbage retention with allOf.
4624	>	*
4625	>	* As of 2016-07, fails with OOME:
4626	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4627	>	*/
4628	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4629	>	final int n = expensiveTests ? 100_000 : 10;
4630	>	CompletableFuture<Integer>[] fs
4631	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4632	>	for (int i = 0; i < fs.length; i++)
4633	>	fs[i] = new CompletableFuture<>();
4634	>	for (int i = 0; i < n; i++)
4635	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4636	>	}
4637	>
4638	>	/**
4639	>	* Checks for garbage retention when a dependent future is
4640	>	* cancelled and garbage-collected.
4641	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4642	>	*
4643	>	* As of 2016-07, fails with OOME:
4644	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4645	>	*/
4646	>	public void testCancelledGarbageRetention() throws Throwable {
4647	>	final int n = expensiveTests ? 100_000 : 10;
4648	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4649	>	for (int i = 0; i < n; i++)
4650	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4651	>	}
4652	>
4653	>	/**
4654	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4655	>	* is invoked many times.
4656	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4657	>	*
4658	>	* As of 2016-07, fails with OOME:
4659	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4660	>	*/
4661	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4662	>	final int n = expensiveTests ? 900_000 : 10;
4663	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4664	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4665	>	for (int i = 0; i < n; i++)
4666	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4667	>	}
4668	>
4669	>	//     static <U> U join(CompletionStage<U> stage) {
4670	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4671	>	//         stage.whenComplete((v, ex) -> {
4672	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4673	>	//         });
4674	>	//         return f.join();
4675	>	//     }
4676	>
4677	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4678	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4679	>	//         stage.whenComplete((v, ex) -> {
4680	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4681	>	//         });
4682	>	//         return f.isDone();
4683	>	//     }
4684	>
4685	>	//     static <U> U join2(CompletionStage<U> stage) {
4686	>	//         return stage.toCompletableFuture().copy().join();
4687	>	//     }
4688	>
4689	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4690	>	//         return stage.toCompletableFuture().copy().isDone();
4691	>	//     }
4692	>
4693	>	// For testing default implementations
4694	>	// Only non-default interface methods defined.
4695	>	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4696	>	final CompletableFuture<T> cf;
4697	>	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4698	>	public CompletableFuture<T> toCompletableFuture() {
4699	>	return cf; }
4700	>	public CompletionStage<Void> thenRun
4701	>	(Runnable action) {
4702	>	return cf.thenRun(action); }
4703	>	public CompletionStage<Void> thenRunAsync
4704	>	(Runnable action) {
4705	>	return cf.thenRunAsync(action); }
4706	>	public CompletionStage<Void> thenRunAsync
4707	>	(Runnable action,
4708	>	Executor executor) {
4709	>	return cf.thenRunAsync(action, executor); }
4710	>	public CompletionStage<Void> thenAccept
4711	>	(Consumer<? super T> action) {
4712	>	return cf.thenAccept(action); }
4713	>	public CompletionStage<Void> thenAcceptAsync
4714	>	(Consumer<? super T> action) {
4715	>	return cf.thenAcceptAsync(action); }
4716	>	public CompletionStage<Void> thenAcceptAsync
4717	>	(Consumer<? super T> action,
4718	>	Executor executor) {
4719	>	return cf.thenAcceptAsync(action, executor); }
4720	>	public <U> CompletionStage<U> thenApply
4721	>	(Function<? super T,? extends U> a) {
4722	>	return cf.thenApply(a); }
4723	>	public <U> CompletionStage<U> thenApplyAsync
4724	>	(Function<? super T,? extends U> fn) {
4725	>	return cf.thenApplyAsync(fn); }
4726	>	public <U> CompletionStage<U> thenApplyAsync
4727	>	(Function<? super T,? extends U> fn,
4728	>	Executor executor) {
4729	>	return cf.thenApplyAsync(fn, executor); }
4730	>	public <U,V> CompletionStage<V> thenCombine
4731	>	(CompletionStage<? extends U> other,
4732	>	BiFunction<? super T,? super U,? extends V> fn) {
4733	>	return cf.thenCombine(other, fn); }
4734	>	public <U,V> CompletionStage<V> thenCombineAsync
4735	>	(CompletionStage<? extends U> other,
4736	>	BiFunction<? super T,? super U,? extends V> fn) {
4737	>	return cf.thenCombineAsync(other, fn); }
4738	>	public <U,V> CompletionStage<V> thenCombineAsync
4739	>	(CompletionStage<? extends U> other,
4740	>	BiFunction<? super T,? super U,? extends V> fn,
4741	>	Executor executor) {
4742	>	return cf.thenCombineAsync(other, fn, executor); }
4743	>	public <U> CompletionStage<Void> thenAcceptBoth
4744	>	(CompletionStage<? extends U> other,
4745	>	BiConsumer<? super T, ? super U> action) {
4746	>	return cf.thenAcceptBoth(other, action); }
4747	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4748	>	(CompletionStage<? extends U> other,
4749	>	BiConsumer<? super T, ? super U> action) {
4750	>	return cf.thenAcceptBothAsync(other, action); }
4751	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4752	>	(CompletionStage<? extends U> other,
4753	>	BiConsumer<? super T, ? super U> action,
4754	>	Executor executor) {
4755	>	return cf.thenAcceptBothAsync(other, action, executor); }
4756	>	public CompletionStage<Void> runAfterBoth
4757	>	(CompletionStage<?> other,
4758	>	Runnable action) {
4759	>	return cf.runAfterBoth(other, action); }
4760	>	public CompletionStage<Void> runAfterBothAsync
4761	>	(CompletionStage<?> other,
4762	>	Runnable action) {
4763	>	return cf.runAfterBothAsync(other, action); }
4764	>	public CompletionStage<Void> runAfterBothAsync
4765	>	(CompletionStage<?> other,
4766	>	Runnable action,
4767	>	Executor executor) {
4768	>	return cf.runAfterBothAsync(other, action, executor); }
4769	>	public <U> CompletionStage<U> applyToEither
4770	>	(CompletionStage<? extends T> other,
4771	>	Function<? super T, U> fn) {
4772	>	return cf.applyToEither(other, fn); }
4773	>	public <U> CompletionStage<U> applyToEitherAsync
4774	>	(CompletionStage<? extends T> other,
4775	>	Function<? super T, U> fn) {
4776	>	return cf.applyToEitherAsync(other, fn); }
4777	>	public <U> CompletionStage<U> applyToEitherAsync
4778	>	(CompletionStage<? extends T> other,
4779	>	Function<? super T, U> fn,
4780	>	Executor executor) {
4781	>	return cf.applyToEitherAsync(other, fn, executor); }
4782	>	public CompletionStage<Void> acceptEither
4783	>	(CompletionStage<? extends T> other,
4784	>	Consumer<? super T> action) {
4785	>	return cf.acceptEither(other, action); }
4786	>	public CompletionStage<Void> acceptEitherAsync
4787	>	(CompletionStage<? extends T> other,
4788	>	Consumer<? super T> action) {
4789	>	return cf.acceptEitherAsync(other, action); }
4790	>	public CompletionStage<Void> acceptEitherAsync
4791	>	(CompletionStage<? extends T> other,
4792	>	Consumer<? super T> action,
4793	>	Executor executor) {
4794	>	return cf.acceptEitherAsync(other, action, executor); }
4795	>	public CompletionStage<Void> runAfterEither
4796	>	(CompletionStage<?> other,
4797	>	Runnable action) {
4798	>	return cf.runAfterEither(other, action); }
4799	>	public CompletionStage<Void> runAfterEitherAsync
4800	>	(CompletionStage<?> other,
4801	>	Runnable action) {
4802	>	return cf.runAfterEitherAsync(other, action); }
4803	>	public CompletionStage<Void> runAfterEitherAsync
4804	>	(CompletionStage<?> other,
4805	>	Runnable action,
4806	>	Executor executor) {
4807	>	return cf.runAfterEitherAsync(other, action, executor); }
4808	>	public <U> CompletionStage<U> thenCompose
4809	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4810	>	return cf.thenCompose(fn); }
4811	>	public <U> CompletionStage<U> thenComposeAsync
4812	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4813	>	return cf.thenComposeAsync(fn); }
4814	>	public <U> CompletionStage<U> thenComposeAsync
4815	>	(Function<? super T, ? extends CompletionStage<U>> fn,
4816	>	Executor executor) {
4817	>	return cf.thenComposeAsync(fn, executor); }
4818	>	public <U> CompletionStage<U> handle
4819	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4820	>	return cf.handle(fn); }
4821	>	public <U> CompletionStage<U> handleAsync
4822	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4823	>	return cf.handleAsync(fn); }
4824	>	public <U> CompletionStage<U> handleAsync
4825	>	(BiFunction<? super T, Throwable, ? extends U> fn,
4826	>	Executor executor) {
4827	>	return cf.handleAsync(fn, executor); }
4828	>	public CompletionStage<T> whenComplete
4829	>	(BiConsumer<? super T, ? super Throwable> action) {
4830	>	return cf.whenComplete(action); }
4831	>	public CompletionStage<T> whenCompleteAsync
4832	>	(BiConsumer<? super T, ? super Throwable> action) {
4833	>	return cf.whenCompleteAsync(action); }
4834	>	public CompletionStage<T> whenCompleteAsync
4835	>	(BiConsumer<? super T, ? super Throwable> action,
4836	>	Executor executor) {
4837	>	return cf.whenCompleteAsync(action, executor); }
4838	>	public CompletionStage<T> exceptionally
4839	>	(Function<Throwable, ? extends T> fn) {
4840	>	return cf.exceptionally(fn); }
4841		}
4842
4843		/**
4844	<	* whenComplete action executes on normal completion, propagating
4845	<	* source result.
4844	>	* default-implemented exceptionallyAsync action is not invoked when
4845	>	* source completes normally, and source result is propagated
4846		*/
4847	<	public void testWhenComplete_normalCompletion1() {
3529	<	for (ExecutionMode m : ExecutionMode.values())
4847	>	public void testDefaultExceptionallyAsync_normalCompletion() {
4848		for (boolean createIncomplete : new boolean[] { true, false })
4849		for (Integer v1 : new Integer[] { 1, null })
4850		{
3533	–	final AtomicInteger a = new AtomicInteger(0);
4851		final CompletableFuture<Integer> f = new CompletableFuture<>();
4852	<	if (!createIncomplete) f.complete(v1);
4853	<	final CompletableFuture<Integer> g = m.whenComplete
4854	<	(f,
4855	<	(Integer x, Throwable t) -> {
4856	<	threadAssertSame(x, v1);
4857	<	threadAssertNull(t);
4858	<	a.getAndIncrement();
4852	>	final DelegatedCompletionStage<Integer> d =
4853	>	new DelegatedCompletionStage<Integer>(f);
4854	>	if (!createIncomplete) assertTrue(f.complete(v1));
4855	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4856	>	((Throwable t) -> {
4857	>	threadFail("should not be called");
4858	>	return null;            // unreached
4859		});
4860	<	if (createIncomplete) f.complete(v1);
4860	>	if (createIncomplete) assertTrue(f.complete(v1));
4861
4862	<	checkCompletedNormally(g, v1);
3546	<	checkCompletedNormally(f, v1);
3547	<	assertEquals(1, a.get());
4862	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4863		}}
4864
4865		/**
4866	<	* whenComplete action executes on exceptional completion, propagating
4867	<	* source result.
4866	>	* default-implemented exceptionallyAsync action completes with
4867	>	* function value on source exception
4868		*/
4869	<	public void testWhenComplete_exceptionalCompletion() {
3555	<	for (ExecutionMode m : ExecutionMode.values())
4869	>	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4870		for (boolean createIncomplete : new boolean[] { true, false })
4871		for (Integer v1 : new Integer[] { 1, null })
4872		{
4873		final AtomicInteger a = new AtomicInteger(0);
4874		final CFException ex = new CFException();
4875		final CompletableFuture<Integer> f = new CompletableFuture<>();
4876	+	final DelegatedCompletionStage<Integer> d =
4877	+	new DelegatedCompletionStage<Integer>(f);
4878		if (!createIncomplete) f.completeExceptionally(ex);
4879	<	final CompletableFuture<Integer> g = m.whenComplete
4880	<	(f,
3565	<	(Integer x, Throwable t) -> {
3566	<	threadAssertNull(x);
4879	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4880	>	((Throwable t) -> {
4881		threadAssertSame(t, ex);
4882		a.getAndIncrement();
4883	+	return v1;
4884		});
4885		if (createIncomplete) f.completeExceptionally(ex);
4886	<	checkCompletedWithWrappedCFException(f, ex);
4887	<	checkCompletedWithWrappedCFException(g, ex);
4886	>
4887	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4888		assertEquals(1, a.get());
4889		}}
4890
4891		/**
4892	<	* whenComplete action executes on cancelled source, propagating
4893	<	* CancellationException.
4892	>	* Under default implementation, if an "exceptionally action"
4893	>	* throws an exception, it completes exceptionally with that
4894	>	* exception
4895		*/
4896	<	public void testWhenComplete_sourceCancelled() {
3581	<	for (ExecutionMode m : ExecutionMode.values())
3582	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4896	>	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4897		for (boolean createIncomplete : new boolean[] { true, false })
4898		{
4899		final AtomicInteger a = new AtomicInteger(0);
4900	+	final CFException ex1 = new CFException();
4901	+	final CFException ex2 = new CFException();
4902		final CompletableFuture<Integer> f = new CompletableFuture<>();
4903	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4904	<	final CompletableFuture<Integer> g = m.whenComplete
4905	<	(f,
4906	<	(Integer x, Throwable t) -> {
4907	<	threadAssertNull(x);
4908	<	threadAssertTrue(t instanceof CancellationException);
4903	>	final DelegatedCompletionStage<Integer> d =
4904	>	new DelegatedCompletionStage<Integer>(f);
4905	>	if (!createIncomplete) f.completeExceptionally(ex1);
4906	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4907	>	((Throwable t) -> {
4908	>	threadAssertSame(t, ex1);
4909		a.getAndIncrement();
4910	+	throw ex2;
4911		});
4912	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4912	>	if (createIncomplete) f.completeExceptionally(ex1);
4913
4914	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
4915	<	checkCompletedWithWrappedCancellationException(g);
4916	<	checkCancelled(f);
4914	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4915	>	checkCompletedExceptionally(f, ex1);
4916	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4917		assertEquals(1, a.get());
4918		}}
4919
4920		/**
4921	<	* If a whenComplete action throws an exception when triggered by
4922	<	* a normal completion, it completes exceptionally
4921	>	* default exceptionallyCompose result completes normally after normal
4922	>	* completion of source
4923		*/
4924	<	public void testWhenComplete_actionFailed() {
4924	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4925		for (boolean createIncomplete : new boolean[] { true, false })
4926	<	for (ExecutionMode m : ExecutionMode.values())
4927	<	for (Integer v1 : new Integer[] { 1, null }) {
4926	>	for (Integer v1 : new Integer[] { 1, null })
4927	>	{
4928	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4929	>	final ExceptionalCompletableFutureFunction r =
4930	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4931	>	final DelegatedCompletionStage<Integer> d =
4932	>	new DelegatedCompletionStage<Integer>(f);
4933	>	if (!createIncomplete) assertTrue(f.complete(v1));
4934	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4935	>	if (createIncomplete) assertTrue(f.complete(v1));
4936
4937	<	final AtomicInteger a = new AtomicInteger(0);
4937	>	checkCompletedNormally(f, v1);
4938	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4939	>	r.assertNotInvoked();
4940	>	}}
4941	>
4942	>	/**
4943	>	* default-implemented exceptionallyCompose result completes
4944	>	* normally after exceptional completion of source
4945	>	*/
4946	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4947	>	for (boolean createIncomplete : new boolean[] { true, false })
4948	>	{
4949		final CFException ex = new CFException();
4950	+	final ExceptionalCompletableFutureFunction r =
4951	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4952		final CompletableFuture<Integer> f = new CompletableFuture<>();
4953	<	if (!createIncomplete) f.complete(v1);
4954	<	final CompletableFuture<Integer> g = m.whenComplete
4955	<	(f,
4956	<	(Integer x, Throwable t) -> {
4957	<	threadAssertSame(x, v1);
4958	<	threadAssertNull(t);
4959	<	a.getAndIncrement();
4960	<	throw ex;
4961	<	});
4962	<	if (createIncomplete) f.complete(v1);
4953	>	final DelegatedCompletionStage<Integer> d =
4954	>	new DelegatedCompletionStage<Integer>(f);
4955	>	if (!createIncomplete) f.completeExceptionally(ex);
4956	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4957	>	if (createIncomplete) f.completeExceptionally(ex);
4958	>
4959	>	checkCompletedExceptionally(f, ex);
4960	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4961	>	r.assertInvoked();
4962	>	}}
4963	>
4964	>	/**
4965	>	* default-implemented exceptionallyCompose completes
4966	>	* exceptionally on exception if action does
4967	>	*/
4968	>	public void testDefaultExceptionallyCompose_actionFailed() {
4969	>	for (boolean createIncomplete : new boolean[] { true, false })
4970	>	for (Integer v1 : new Integer[] { 1, null })
4971	>	{
4972	>	final CFException ex = new CFException();
4973	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4974	>	final FailingExceptionalCompletableFutureFunction r
4975	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4976	>	final DelegatedCompletionStage<Integer> d =
4977	>	new DelegatedCompletionStage<Integer>(f);
4978	>	if (!createIncomplete) f.completeExceptionally(ex);
4979	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4980	>	if (createIncomplete) f.completeExceptionally(ex);
4981	>
4982	>	checkCompletedExceptionally(f, ex);
4983	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4984	>	r.assertInvoked();
4985	>	}}
4986	>
4987	>	/**
4988	>	* default exceptionallyComposeAsync result completes normally after normal
4989	>	* completion of source
4990	>	*/
4991	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4992	>	for (boolean createIncomplete : new boolean[] { true, false })
4993	>	for (Integer v1 : new Integer[] { 1, null })
4994	>	{
4995	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4996	>	final ExceptionalCompletableFutureFunction r =
4997	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4998	>	final DelegatedCompletionStage<Integer> d =
4999	>	new DelegatedCompletionStage<Integer>(f);
5000	>	if (!createIncomplete) assertTrue(f.complete(v1));
5001	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5002	>	if (createIncomplete) assertTrue(f.complete(v1));
5003	>
5004		checkCompletedNormally(f, v1);
5005	<	checkCompletedWithWrappedCFException(g, ex);
5006	<	assertEquals(1, a.get());
5007	<	}
3629	<	}
5005	>	checkCompletedNormally(g.toCompletableFuture(), v1);
5006	>	r.assertNotInvoked();
5007	>	}}
5008
5009		/**
5010	<	* If a whenComplete action throws an exception when triggered by
5011	<	* a source completion that also throws an exception, the source
3634	<	* exception takes precedence.
5010	>	* default-implemented exceptionallyComposeAsync result completes
5011	>	* normally after exceptional completion of source
5012		*/
5013	<	public void testWhenComplete_actionFailedSourceFailed() {
5013	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
5014		for (boolean createIncomplete : new boolean[] { true, false })
5015	<	for (ExecutionMode m : ExecutionMode.values())
5016	<	for (Integer v1 : new Integer[] { 1, null }) {
5015	>	{
5016	>	final CFException ex = new CFException();
5017	>	final ExceptionalCompletableFutureFunction r =
5018	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5019	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5020	>	final DelegatedCompletionStage<Integer> d =
5021	>	new DelegatedCompletionStage<Integer>(f);
5022	>	if (!createIncomplete) f.completeExceptionally(ex);
5023	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5024	>	if (createIncomplete) f.completeExceptionally(ex);
5025
5026	<	final AtomicInteger a = new AtomicInteger(0);
5027	<	final CFException ex1 = new CFException();
5028	<	final CFException ex2 = new CFException();
5026	>	checkCompletedExceptionally(f, ex);
5027	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5028	>	r.assertInvoked();
5029	>	}}
5030	>
5031	>	/**
5032	>	* default-implemented exceptionallyComposeAsync completes
5033	>	* exceptionally on exception if action does
5034	>	*/
5035	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5036	>	for (boolean createIncomplete : new boolean[] { true, false })
5037	>	for (Integer v1 : new Integer[] { 1, null })
5038	>	{
5039	>	final CFException ex = new CFException();
5040		final CompletableFuture<Integer> f = new CompletableFuture<>();
5041	+	final FailingExceptionalCompletableFutureFunction r
5042	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5043	+	final DelegatedCompletionStage<Integer> d =
5044	+	new DelegatedCompletionStage<Integer>(f);
5045	+	if (!createIncomplete) f.completeExceptionally(ex);
5046	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5047	+	if (createIncomplete) f.completeExceptionally(ex);
5048
5049	<	if (!createIncomplete) f.completeExceptionally(ex1);
5050	<	final CompletableFuture<Integer> g = m.whenComplete
5051	<	(f,
5052	<	(Integer x, Throwable t) -> {
3650	<	threadAssertSame(t, ex1);
3651	<	threadAssertNull(x);
3652	<	a.getAndIncrement();
3653	<	throw ex2;
3654	<	});
3655	<	if (createIncomplete) f.completeExceptionally(ex1);
5049	>	checkCompletedExceptionally(f, ex);
5050	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5051	>	r.assertInvoked();
5052	>	}}
5053
5054	<	checkCompletedWithWrappedCFException(f, ex1);
5055	<	checkCompletedWithWrappedCFException(g, ex1);
5056	<	assertEquals(1, a.get());
5057	<	}
5058	<	}
5054	>
5055	>	/**
5056	>	* default exceptionallyComposeAsync result completes normally after normal
5057	>	* completion of source
5058	>	*/
5059	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5060	>	for (boolean createIncomplete : new boolean[] { true, false })
5061	>	for (Integer v1 : new Integer[] { 1, null })
5062	>	{
5063	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5064	>	final ExceptionalCompletableFutureFunction r =
5065	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5066	>	final DelegatedCompletionStage<Integer> d =
5067	>	new DelegatedCompletionStage<Integer>(f);
5068	>	if (!createIncomplete) assertTrue(f.complete(v1));
5069	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5070	>	if (createIncomplete) assertTrue(f.complete(v1));
5071	>
5072	>	checkCompletedNormally(f, v1);
5073	>	checkCompletedNormally(g.toCompletableFuture(), v1);
5074	>	r.assertNotInvoked();
5075	>	}}
5076	>
5077	>	/**
5078	>	* default-implemented exceptionallyComposeAsync result completes
5079	>	* normally after exceptional completion of source
5080	>	*/
5081	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5082	>	for (boolean createIncomplete : new boolean[] { true, false })
5083	>	{
5084	>	final CFException ex = new CFException();
5085	>	final ExceptionalCompletableFutureFunction r =
5086	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5087	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5088	>	final DelegatedCompletionStage<Integer> d =
5089	>	new DelegatedCompletionStage<Integer>(f);
5090	>	if (!createIncomplete) f.completeExceptionally(ex);
5091	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5092	>	if (createIncomplete) f.completeExceptionally(ex);
5093	>
5094	>	checkCompletedExceptionally(f, ex);
5095	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5096	>	r.assertInvoked();
5097	>	}}
5098	>
5099	>	/**
5100	>	* default-implemented exceptionallyComposeAsync completes
5101	>	* exceptionally on exception if action does
5102	>	*/
5103	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5104	>	for (boolean createIncomplete : new boolean[] { true, false })
5105	>	for (Integer v1 : new Integer[] { 1, null })
5106	>	{
5107	>	final CFException ex = new CFException();
5108	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5109	>	final FailingExceptionalCompletableFutureFunction r
5110	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5111	>	final DelegatedCompletionStage<Integer> d =
5112	>	new DelegatedCompletionStage<Integer>(f);
5113	>	if (!createIncomplete) f.completeExceptionally(ex);
5114	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5115	>	if (createIncomplete) f.completeExceptionally(ex);
5116	>
5117	>	checkCompletedExceptionally(f, ex);
5118	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5119	>	r.assertInvoked();
5120	>	}}
5121
5122		}

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