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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.43 by jsr166, Mon Jun 2 04:13:54 2014 UTC vs.
Revision 1.221 by jsr166, Fri Feb 22 19:27:47 2019 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 42 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
74		catch (Throwable fail) { threadUnexpectedException(fail); }
75		}
76
77	<	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	try {
79	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.join());
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
64	<	try {
65	<	assertEquals(value, f.getNow(null));
66	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
77	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T expectedValue) {
78	>	checkTimedGet(f, expectedValue);
79	>
80	>	assertEquals(expectedValue, f.join());
81	>	assertEquals(expectedValue, f.getNow(null));
82	>
83	>	T result = null;
84		try {
85	<	assertEquals(value, f.get());
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91		assertFalse(f.isCompletedExceptionally());
92	<	assertTrue(f.toString().contains("[Completed normally]"));
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
96	<	try {
97	<	f.get(LONG_DELAY_MS, MILLISECONDS);
98	<	shouldThrow();
99	<	} catch (ExecutionException success) {
100	<	assertTrue(success.getCause() instanceof CFException);
101	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
102	<	try {
84	<	f.join();
85	<	shouldThrow();
86	<	} catch (CompletionException success) {
87	<	assertTrue(success.getCause() instanceof CFException);
88	<	}
89	<	try {
90	<	f.getNow(null);
91	<	shouldThrow();
92	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
94	<	}
95	<	try {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
95	>	/**
96	>	* Returns the "raw" internal exceptional completion of f,
97	>	* without any additional wrapping with CompletionException.
98	>	*/
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103		}
104
105	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
105	>	void checkCompletedExceptionally(CompletableFuture<?> f,
106	>	boolean wrapped,
107	>	Consumer<Throwable> checker) {
108	>	Throwable cause = exceptionalCompletion(f);
109	>	if (wrapped) {
110	>	assertTrue(cause instanceof CompletionException);
111	>	cause = cause.getCause();
112	>	}
113	>	checker.accept(cause);
114	>
115	>	long startTime = System.nanoTime();
116		try {
117		f.get(LONG_DELAY_MS, MILLISECONDS);
118		shouldThrow();
119		} catch (ExecutionException success) {
120	<	assertSame(ex, success.getCause());
120	>	assertSame(cause, success.getCause());
121		} catch (Throwable fail) { threadUnexpectedException(fail); }
122	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
123	+
124		try {
125		f.join();
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.getNow(null);
133		shouldThrow();
134		} catch (CompletionException success) {
135	<	assertSame(ex, success.getCause());
136	<	}
135	>	assertSame(cause, success.getCause());
136	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	>
138		try {
139		f.get();
140		shouldThrow();
141		} catch (ExecutionException success) {
142	<	assertSame(ex, success.getCause());
142	>	assertSame(cause, success.getCause());
143		} catch (Throwable fail) { threadUnexpectedException(fail); }
144	<	assertTrue(f.isDone());
144	>
145		assertFalse(f.isCancelled());
146	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
146	>	assertTrue(f.isDone());
147	>	assertTrue(f.isCompletedExceptionally());
148	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
149	>	}
150	>
151	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152	>	checkCompletedExceptionally(f, true,
153	>	t -> assertTrue(t instanceof CFException));
154	>	}
155	>
156	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
157	>	checkCompletedExceptionally(f, true,
158	>	t -> assertTrue(t instanceof CancellationException));
159	>	}
160	>
161	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
162	>	checkCompletedExceptionally(f, false,
163	>	t -> assertTrue(t instanceof TimeoutException));
164	>	}
165	>
166	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
167	>	Throwable ex) {
168	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
169	>	}
170	>
171	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
172	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
173		}
174
175		void checkCancelled(CompletableFuture<?> f) {
176	+	long startTime = System.nanoTime();
177		try {
178		f.get(LONG_DELAY_MS, MILLISECONDS);
179		shouldThrow();
180		} catch (CancellationException success) {
181		} catch (Throwable fail) { threadUnexpectedException(fail); }
182	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
183	+
184		try {
185		f.join();
186		shouldThrow();
#	Line 153 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
201		assertTrue(f.isCompletedExceptionally());
202	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
202	>	assertTrue(f.isCancelled());
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 204 | Line 217 | public class CompletableFutureTest exten
217		* isCancelled, join, get, and getNow
218		*/
219		public void testComplete() {
220	+	for (Integer v1 : new Integer[] { 1, null })
221	+	{
222		CompletableFuture<Integer> f = new CompletableFuture<>();
223		checkIncomplete(f);
224	<	f.complete(one);
225	<	checkCompletedNormally(f, one);
226	<	}
224	>	assertTrue(f.complete(v1));
225	>	assertFalse(f.complete(v1));
226	>	checkCompletedNormally(f, v1);
227	>	}}
228
229		/**
230		* completeExceptionally completes exceptionally, as indicated by
#	Line 216 | Line 232 | public class CompletableFutureTest exten
232		*/
233		public void testCompleteExceptionally() {
234		CompletableFuture<Integer> f = new CompletableFuture<>();
235	+	CFException ex = new CFException();
236		checkIncomplete(f);
237	<	f.completeExceptionally(new CFException());
238	<	checkCompletedWithWrappedCFException(f);
237	>	f.completeExceptionally(ex);
238	>	checkCompletedExceptionally(f, ex);
239		}
240
241		/**
#	Line 226 | Line 243 | public class CompletableFutureTest exten
243		* methods isDone, isCancelled, join, get, and getNow
244		*/
245		public void testCancel() {
246	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
247	+	{
248		CompletableFuture<Integer> f = new CompletableFuture<>();
249		checkIncomplete(f);
250	<	assertTrue(f.cancel(true));
250	>	assertTrue(f.cancel(mayInterruptIfRunning));
251	>	assertTrue(f.cancel(mayInterruptIfRunning));
252	>	assertTrue(f.cancel(!mayInterruptIfRunning));
253		checkCancelled(f);
254	<	}
254	>	}}
255
256		/**
257		* obtrudeValue forces completion with given value
#	Line 238 | Line 259 | public class CompletableFutureTest exten
259		public void testObtrudeValue() {
260		CompletableFuture<Integer> f = new CompletableFuture<>();
261		checkIncomplete(f);
262	<	f.complete(one);
262	>	assertTrue(f.complete(one));
263		checkCompletedNormally(f, one);
264		f.obtrudeValue(three);
265		checkCompletedNormally(f, three);
#	Line 247 | Line 268 | public class CompletableFutureTest exten
268		f = new CompletableFuture<>();
269		f.obtrudeValue(three);
270		checkCompletedNormally(f, three);
271	+	f.obtrudeValue(null);
272	+	checkCompletedNormally(f, null);
273		f = new CompletableFuture<>();
274		f.completeExceptionally(new CFException());
275		f.obtrudeValue(four);
#	Line 257 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	CompletableFuture<Integer> f = new CompletableFuture<>();
284	<	checkIncomplete(f);
285	<	f.complete(one);
286	<	checkCompletedNormally(f, one);
287	<	f.obtrudeException(new CFException());
265	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288		f = new CompletableFuture<>();
289	<	f.obtrudeException(new CFException());
290	<	checkCompletedWithWrappedCFException(f);
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295	>	f = new CompletableFuture<>();
296	>	for (int i = 0; i < 2; i++) {
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	}
300	>
301		f = new CompletableFuture<>();
302		f.completeExceptionally(new CFException());
303	<	f.obtrudeValue(four);
304	<	checkCompletedNormally(f, four);
305	<	f.obtrudeException(new CFException());
306	<	checkCompletedWithWrappedCFException(f);
307	<	}
303	>	f.obtrudeValue(v1);
304	>	checkCompletedNormally(f, v1);
305	>	f.obtrudeException(ex = new CFException());
306	>	checkCompletedExceptionally(f, ex);
307	>	f.completeExceptionally(new CFException());
308	>	checkCompletedExceptionally(f, ex);
309	>	assertFalse(f.complete(v1));
310	>	checkCompletedExceptionally(f, ex);
311	>	}}
312
313		/**
314		* getNumberOfDependents returns number of dependent tasks
315		*/
316		public void testGetNumberOfDependents() {
317	+	for (ExecutionMode m : ExecutionMode.values())
318	+	for (Integer v1 : new Integer[] { 1, null })
319	+	{
320		CompletableFuture<Integer> f = new CompletableFuture<>();
321	<	assertEquals(f.getNumberOfDependents(), 0);
322	<	CompletableFuture g = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 1);
324	<	assertEquals(g.getNumberOfDependents(), 0);
325	<	CompletableFuture h = f.thenRun(new Noop());
326	<	assertEquals(f.getNumberOfDependents(), 2);
327	<	f.complete(1);
321	>	assertEquals(0, f.getNumberOfDependents());
322	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323	>	assertEquals(1, f.getNumberOfDependents());
324	>	assertEquals(0, g.getNumberOfDependents());
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326	>	assertEquals(2, f.getNumberOfDependents());
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	<	assertEquals(f.getNumberOfDependents(), 0);
331	<	assertEquals(g.getNumberOfDependents(), 0);
332	<	}
330	>	checkCompletedNormally(h, null);
331	>	assertEquals(0, f.getNumberOfDependents());
332	>	assertEquals(0, g.getNumberOfDependents());
333	>	assertEquals(0, h.getNumberOfDependents());
334	>	}}
335
336		/**
337		* toString indicates current completion state
338		*/
339	<	public void testToString() {
340	<	CompletableFuture<String> f;
341	<
342	<	f = new CompletableFuture<String>();
343	<	assertTrue(f.toString().contains("[Not completed]"));
344	<
345	<	f.complete("foo");
346	<	assertTrue(f.toString().contains("[Completed normally]"));
347	<
348	<	f = new CompletableFuture<String>();
349	<	f.completeExceptionally(new IndexOutOfBoundsException());
350	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
339	>	public void testToString_incomplete() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
342	>	if (testImplementationDetails)
343	>	assertEquals(identityString(f) + "[Not completed]",
344	>	f.toString());
345	>	}
346	>
347	>	public void testToString_normal() {
348	>	CompletableFuture<String> f = new CompletableFuture<>();
349	>	assertTrue(f.complete("foo"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	assertEquals(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355	>
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
360	>	if (testImplementationDetails)
361	>	assertTrue(f.toString().startsWith(
362	>	identityString(f) + "[Completed exceptionally: "));
363	>	}
364	>
365	>	public void testToString_cancelled() {
366	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368	>	assertTrue(f.cancel(mayInterruptIfRunning));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373	>	}
374		}
375
376		/**
#	Line 316 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	// Choose non-commutative actions for better coverage
384	>	abstract static class CheckedAction {
385	>	int invocationCount = 0;
386	>	final ExecutionMode m;
387	>	CheckedAction(ExecutionMode m) { this.m = m; }
388	>	void invoked() {
389	>	m.checkExecutionMode();
390	>	assertEquals(0, invocationCount++);
391	>	}
392	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
393	>	void assertInvoked() { assertEquals(1, invocationCount); }
394	>	}
395
396	<	// A non-commutative function that handles and produces null values as well.
397	<	static Integer subtract(Integer x, Integer y) {
398	<	return (x == null && y == null) ? null :
399	<	((x == null) ? 42 : x.intValue())
400	<	- ((y == null) ? 99 : y.intValue());
396	>	abstract static class CheckedIntegerAction extends CheckedAction {
397	>	Integer value;
398	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
399	>	void assertValue(Integer expected) {
400	>	assertInvoked();
401	>	assertEquals(expected, value);
402	>	}
403	>	}
404	>
405	>	static class IntegerSupplier extends CheckedAction
406	>	implements Supplier<Integer>
407	>	{
408	>	final Integer value;
409	>	IntegerSupplier(ExecutionMode m, Integer value) {
410	>	super(m);
411	>	this.value = value;
412	>	}
413	>	public Integer get() {
414	>	invoked();
415	>	return value;
416	>	}
417		}
418
419		// A function that handles and produces null values as well.
#	Line 330 | Line 421 | public class CompletableFutureTest exten
421		return (x == null) ? null : x + 1;
422		}
423
424	<	static final Supplier<Integer> supplyOne =
425	<	() -> Integer.valueOf(1);
426	<	static final Function<Integer, Integer> inc =
427	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
337	<	static final BiFunction<Integer, Integer, Integer> subtract =
338	<	(Integer x, Integer y) -> subtract(x, y);
339	<	static final class IncAction implements Consumer<Integer> {
340	<	int invocationCount = 0;
341	<	Integer value;
342	<	public boolean ran() { return invocationCount == 1; }
424	>	static class NoopConsumer extends CheckedIntegerAction
425	>	implements Consumer<Integer>
426	>	{
427	>	NoopConsumer(ExecutionMode m) { super(m); }
428		public void accept(Integer x) {
429	<	invocationCount++;
430	<	value = inc(x);
429	>	invoked();
430	>	value = x;
431		}
432		}
433	<	static final class IncFunction implements Function<Integer,Integer> {
434	<	int invocationCount = 0;
435	<	Integer value;
436	<	public boolean ran() { return invocationCount == 1; }
433	>
434	>	static class IncFunction extends CheckedIntegerAction
435	>	implements Function<Integer,Integer>
436	>	{
437	>	IncFunction(ExecutionMode m) { super(m); }
438		public Integer apply(Integer x) {
439	<	invocationCount++;
439	>	invoked();
440		return value = inc(x);
441		}
442		}
443	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
444	<	int invocationCount = 0;
445	<	Integer value;
446	<	// Check this action was invoked exactly once when result is computed.
447	<	public boolean ran() { return invocationCount == 1; }
443	>
444	>	// Choose non-commutative actions for better coverage
445	>	// A non-commutative function that handles and produces null values as well.
446	>	static Integer subtract(Integer x, Integer y) {
447	>	return (x == null && y == null) ? null :
448	>	((x == null) ? 42 : x.intValue())
449	>	- ((y == null) ? 99 : y.intValue());
450	>	}
451	>
452	>	static class SubtractAction extends CheckedIntegerAction
453	>	implements BiConsumer<Integer, Integer>
454	>	{
455	>	SubtractAction(ExecutionMode m) { super(m); }
456		public void accept(Integer x, Integer y) {
457	<	invocationCount++;
457	>	invoked();
458		value = subtract(x, y);
459		}
460		}
461	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
462	<	int invocationCount = 0;
463	<	Integer value;
464	<	// Check this action was invoked exactly once when result is computed.
465	<	public boolean ran() { return invocationCount == 1; }
461	>
462	>	static class SubtractFunction extends CheckedIntegerAction
463	>	implements BiFunction<Integer, Integer, Integer>
464	>	{
465	>	SubtractFunction(ExecutionMode m) { super(m); }
466		public Integer apply(Integer x, Integer y) {
467	<	invocationCount++;
467	>	invoked();
468		return value = subtract(x, y);
469		}
470		}
471	<	static final class Noop implements Runnable {
472	<	int invocationCount = 0;
473	<	boolean ran;
471	>
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474		public void run() {
475	<	invocationCount++;
382	<	ran = true;
475	>	invoked();
476		}
477		}
478
479	<	static final class FailingSupplier implements Supplier<Integer> {
480	<	boolean ran;
481	<	public Integer get() { ran = true; throw new CFException(); }
479	>	static class FailingSupplier extends CheckedAction
480	>	implements Supplier<Integer>
481	>	{
482	>	final CFException ex;
483	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
484	>	public Integer get() {
485	>	invoked();
486	>	throw ex;
487	>	}
488		}
489	<	static final class FailingConsumer implements Consumer<Integer> {
490	<	boolean ran;
491	<	public void accept(Integer x) { ran = true; throw new CFException(); }
489	>
490	>	static class FailingConsumer extends CheckedIntegerAction
491	>	implements Consumer<Integer>
492	>	{
493	>	final CFException ex;
494	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
495	>	public void accept(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw ex;
499	>	}
500		}
501	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
502	<	boolean ran;
503	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
501	>
502	>	static class FailingBiConsumer extends CheckedIntegerAction
503	>	implements BiConsumer<Integer, Integer>
504	>	{
505	>	final CFException ex;
506	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
507	>	public void accept(Integer x, Integer y) {
508	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511	>	}
512		}
513	<	static final class FailingFunction implements Function<Integer, Integer> {
514	<	boolean ran;
515	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
513	>
514	>	static class FailingFunction extends CheckedIntegerAction
515	>	implements Function<Integer, Integer>
516	>	{
517	>	final CFException ex;
518	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
519	>	public Integer apply(Integer x) {
520	>	invoked();
521	>	value = x;
522	>	throw ex;
523	>	}
524		}
525	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
526	<	boolean ran;
527	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
525	>
526	>	static class FailingBiFunction extends CheckedIntegerAction
527	>	implements BiFunction<Integer, Integer, Integer>
528	>	{
529	>	final CFException ex;
530	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
531	>	public Integer apply(Integer x, Integer y) {
532	>	invoked();
533	>	value = subtract(x, y);
534	>	throw ex;
535	>	}
536		}
537	<	static final class FailingNoop implements Runnable {
538	<	boolean ran;
539	<	public void run() { ran = true; throw new CFException(); }
537	>
538	>	static class FailingRunnable extends CheckedAction implements Runnable {
539	>	final CFException ex;
540	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
541	>	public void run() {
542	>	invoked();
543	>	throw ex;
544	>	}
545		}
546
547	<	static final class CompletableFutureInc
548	<	implements Function<Integer, CompletableFuture<Integer>> {
549	<	boolean ran;
547	>	static class CompletableFutureInc extends CheckedIntegerAction
548	>	implements Function<Integer, CompletableFuture<Integer>>
549	>	{
550	>	CompletableFutureInc(ExecutionMode m) { super(m); }
551		public CompletableFuture<Integer> apply(Integer x) {
552	<	ran = true;
553	<	CompletableFuture<Integer> f = new CompletableFuture<>();
554	<	f.complete(Integer.valueOf(x.intValue() + 1));
418	<	return f;
552	>	invoked();
553	>	value = x;
554	>	return CompletableFuture.completedFuture(inc(x));
555		}
556		}
557
558	<	static final class FailingCompletableFutureFunction
559	<	implements Function<Integer, CompletableFuture<Integer>> {
560	<	boolean ran;
561	<	public CompletableFuture<Integer> apply(Integer x) {
562	<	ran = true; throw new CFException();
558	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
559	>	implements Function<Throwable, CompletableFuture<Integer>>
560	>	{
561	>	final CFException ex;
562	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
563	>	public CompletableFuture<Integer> apply(Throwable x) {
564	>	invoked();
565	>	throw ex;
566		}
567		}
568
569	<	// Used for explicit executor tests
570	<	static final class ThreadExecutor implements Executor {
571	<	AtomicInteger count = new AtomicInteger(0);
569	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
570	>	implements Function<Throwable, CompletionStage<Integer>> {
571	>	final Integer value = 3;
572	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
573	>	public CompletionStage<Integer> apply(Throwable x) {
574	>	invoked();
575	>	return CompletableFuture.completedFuture(value);
576	>	}
577	>	}
578
579	+	static class FailingCompletableFutureFunction extends CheckedIntegerAction
580	+	implements Function<Integer, CompletableFuture<Integer>>
581	+	{
582	+	final CFException ex;
583	+	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
584	+	public CompletableFuture<Integer> apply(Integer x) {
585	+	invoked();
586	+	value = x;
587	+	throw ex;
588	+	}
589	+	}
590	+
591	+	static class CountingRejectingExecutor implements Executor {
592	+	final RejectedExecutionException ex = new RejectedExecutionException();
593	+	final AtomicInteger count = new AtomicInteger(0);
594		public void execute(Runnable r) {
595		count.getAndIncrement();
596	<	new Thread(r).start();
596	>	throw ex;
597		}
598		}
599
600	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
601	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
602	<	}
600	>	// Used for explicit executor tests
601	>	static final class ThreadExecutor implements Executor {
602	>	final AtomicInteger count = new AtomicInteger(0);
603	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
604	>	static boolean startedCurrentThread() {
605	>	return Thread.currentThread().getThreadGroup() == tg;
606	>	}
607
608	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
609	<	boolean ran;
610	<	public Integer apply(Integer x, Throwable t) {
447	<	ran = true;
448	<	return (t == null) ? two : three;
608	>	public void execute(Runnable r) {
609	>	count.getAndIncrement();
610	>	new Thread(tg, r).start();
611		}
612		}
613
614	+	static final boolean defaultExecutorIsCommonPool
615	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
616	+
617		/**
618		* Permits the testing of parallel code for the 3 different
619	<	* execution modes without repeating all the testing code.
619	>	* execution modes without copy/pasting all the test methods.
620		*/
621		enum ExecutionMode {
622	<	DEFAULT {
622	>	SYNC {
623	>	public void checkExecutionMode() {
624	>	assertFalse(ThreadExecutor.startedCurrentThread());
625	>	assertNull(ForkJoinTask.getPool());
626	>	}
627	>	public CompletableFuture<Void> runAsync(Runnable a) {
628	>	throw new UnsupportedOperationException();
629	>	}
630	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
631	>	throw new UnsupportedOperationException();
632	>	}
633	>	public <T> CompletableFuture<Void> thenRun
634	>	(CompletableFuture<T> f, Runnable a) {
635	>	return f.thenRun(a);
636	>	}
637	>	public <T> CompletableFuture<Void> thenAccept
638	>	(CompletableFuture<T> f, Consumer<? super T> a) {
639	>	return f.thenAccept(a);
640	>	}
641	>	public <T,U> CompletableFuture<U> thenApply
642	>	(CompletableFuture<T> f, Function<? super T,U> a) {
643	>	return f.thenApply(a);
644	>	}
645	>	public <T,U> CompletableFuture<U> thenCompose
646	>	(CompletableFuture<T> f,
647	>	Function<? super T,? extends CompletionStage<U>> a) {
648	>	return f.thenCompose(a);
649	>	}
650	>	public <T,U> CompletableFuture<U> handle
651	>	(CompletableFuture<T> f,
652	>	BiFunction<? super T,Throwable,? extends U> a) {
653	>	return f.handle(a);
654	>	}
655	>	public <T> CompletableFuture<T> whenComplete
656	>	(CompletableFuture<T> f,
657	>	BiConsumer<? super T,? super Throwable> a) {
658	>	return f.whenComplete(a);
659	>	}
660		public <T,U> CompletableFuture<Void> runAfterBoth
661		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
662		return f.runAfterBoth(g, a);
#	Line 471 | Line 673 | public class CompletableFutureTest exten
673		BiFunction<? super T,? super U,? extends V> a) {
674		return f.thenCombine(g, a);
675		}
676	<	public <T,U> CompletableFuture<U> applyToEither
676	>	public <T> CompletableFuture<Void> runAfterEither
677		(CompletableFuture<T> f,
678	<	CompletionStage<? extends T> g,
679	<	Function<? super T,U> a) {
680	<	return f.applyToEither(g, a);
678	>	CompletionStage<?> g,
679	>	java.lang.Runnable a) {
680	>	return f.runAfterEither(g, a);
681		}
682		public <T> CompletableFuture<Void> acceptEither
683		(CompletableFuture<T> f,
#	Line 483 | Line 685 | public class CompletableFutureTest exten
685		Consumer<? super T> a) {
686		return f.acceptEither(g, a);
687		}
688	<	public <T> CompletableFuture<Void> runAfterEither
688	>	public <T,U> CompletableFuture<U> applyToEither
689		(CompletableFuture<T> f,
690	<	CompletionStage<?> g,
691	<	java.lang.Runnable a) {
692	<	return f.runAfterEither(g, a);
690	>	CompletionStage<? extends T> g,
691	>	Function<? super T,U> a) {
692	>	return f.applyToEither(g, a);
693	>	}
694	>	public <T> CompletableFuture<T> exceptionally
695	>	(CompletableFuture<T> f,
696	>	Function<Throwable, ? extends T> fn) {
697	>	return f.exceptionally(fn);
698	>	}
699	>	public <T> CompletableFuture<T> exceptionallyCompose
700	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
701	>	return f.exceptionallyCompose(fn);
702	>	}
703	>	},
704	>	ASYNC {
705	>	public void checkExecutionMode() {
706	>	assertEquals(defaultExecutorIsCommonPool,
707	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
708	>	}
709	>	public CompletableFuture<Void> runAsync(Runnable a) {
710	>	return CompletableFuture.runAsync(a);
711	>	}
712	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
713	>	return CompletableFuture.supplyAsync(a);
714	>	}
715	>	public <T> CompletableFuture<Void> thenRun
716	>	(CompletableFuture<T> f, Runnable a) {
717	>	return f.thenRunAsync(a);
718	>	}
719	>	public <T> CompletableFuture<Void> thenAccept
720	>	(CompletableFuture<T> f, Consumer<? super T> a) {
721	>	return f.thenAcceptAsync(a);
722	>	}
723	>	public <T,U> CompletableFuture<U> thenApply
724	>	(CompletableFuture<T> f, Function<? super T,U> a) {
725	>	return f.thenApplyAsync(a);
726		}
727		public <T,U> CompletableFuture<U> thenCompose
728		(CompletableFuture<T> f,
729		Function<? super T,? extends CompletionStage<U>> a) {
730	<	return f.thenCompose(a);
730	>	return f.thenComposeAsync(a);
731	>	}
732	>	public <T,U> CompletableFuture<U> handle
733	>	(CompletableFuture<T> f,
734	>	BiFunction<? super T,Throwable,? extends U> a) {
735	>	return f.handleAsync(a);
736		}
737		public <T> CompletableFuture<T> whenComplete
738		(CompletableFuture<T> f,
739		BiConsumer<? super T,? super Throwable> a) {
740	<	return f.whenComplete(a);
740	>	return f.whenCompleteAsync(a);
741		}
502	–	},
503	–
504	–	//             /** Experimental way to do more testing */
505	–	//         REVERSE_DEFAULT {
506	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
507	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
508	–	//                 return g.runAfterBoth(f, a);
509	–	//             }
510	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
511	–	//                 (CompletableFuture<T> f,
512	–	//                  CompletionStage<? extends U> g,
513	–	//                  BiConsumer<? super T,? super U> a) {
514	–	//                 return DEFAULT.thenAcceptBoth(f, g, a);
515	–	//             }
516	–	//         },
517	–
518	–	DEFAULT_ASYNC {
742		public <T,U> CompletableFuture<Void> runAfterBoth
743		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
744		return f.runAfterBothAsync(g, a);
#	Line 532 | Line 755 | public class CompletableFutureTest exten
755		BiFunction<? super T,? super U,? extends V> a) {
756		return f.thenCombineAsync(g, a);
757		}
758	<	public <T,U> CompletableFuture<U> applyToEither
758	>	public <T> CompletableFuture<Void> runAfterEither
759		(CompletableFuture<T> f,
760	<	CompletionStage<? extends T> g,
761	<	Function<? super T,U> a) {
762	<	return f.applyToEitherAsync(g, a);
760	>	CompletionStage<?> g,
761	>	java.lang.Runnable a) {
762	>	return f.runAfterEitherAsync(g, a);
763		}
764		public <T> CompletableFuture<Void> acceptEither
765		(CompletableFuture<T> f,
#	Line 544 | Line 767 | public class CompletableFutureTest exten
767		Consumer<? super T> a) {
768		return f.acceptEitherAsync(g, a);
769		}
770	<	public <T> CompletableFuture<Void> runAfterEither
770	>	public <T,U> CompletableFuture<U> applyToEither
771		(CompletableFuture<T> f,
772	<	CompletionStage<?> g,
773	<	java.lang.Runnable a) {
774	<	return f.runAfterEitherAsync(g, a);
772	>	CompletionStage<? extends T> g,
773	>	Function<? super T,U> a) {
774	>	return f.applyToEitherAsync(g, a);
775	>	}
776	>	public <T> CompletableFuture<T> exceptionally
777	>	(CompletableFuture<T> f,
778	>	Function<Throwable, ? extends T> fn) {
779	>	return f.exceptionallyAsync(fn);
780	>	}
781	>
782	>	public <T> CompletableFuture<T> exceptionallyCompose
783	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
784	>	return f.exceptionallyComposeAsync(fn);
785	>	}
786	>
787	>	},
788	>
789	>	EXECUTOR {
790	>	public void checkExecutionMode() {
791	>	assertTrue(ThreadExecutor.startedCurrentThread());
792	>	}
793	>	public CompletableFuture<Void> runAsync(Runnable a) {
794	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
795	>	}
796	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
797	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
798	>	}
799	>	public <T> CompletableFuture<Void> thenRun
800	>	(CompletableFuture<T> f, Runnable a) {
801	>	return f.thenRunAsync(a, new ThreadExecutor());
802	>	}
803	>	public <T> CompletableFuture<Void> thenAccept
804	>	(CompletableFuture<T> f, Consumer<? super T> a) {
805	>	return f.thenAcceptAsync(a, new ThreadExecutor());
806	>	}
807	>	public <T,U> CompletableFuture<U> thenApply
808	>	(CompletableFuture<T> f, Function<? super T,U> a) {
809	>	return f.thenApplyAsync(a, new ThreadExecutor());
810		}
811		public <T,U> CompletableFuture<U> thenCompose
812		(CompletableFuture<T> f,
813		Function<? super T,? extends CompletionStage<U>> a) {
814	<	return f.thenComposeAsync(a);
814	>	return f.thenComposeAsync(a, new ThreadExecutor());
815	>	}
816	>	public <T,U> CompletableFuture<U> handle
817	>	(CompletableFuture<T> f,
818	>	BiFunction<? super T,Throwable,? extends U> a) {
819	>	return f.handleAsync(a, new ThreadExecutor());
820		}
821		public <T> CompletableFuture<T> whenComplete
822		(CompletableFuture<T> f,
823		BiConsumer<? super T,? super Throwable> a) {
824	<	return f.whenCompleteAsync(a);
824	>	return f.whenCompleteAsync(a, new ThreadExecutor());
825		}
563	–	},
564	–
565	–	//         REVERSE_DEFAULT_ASYNC {
566	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
567	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
568	–	//                 return f.runAfterBothAsync(g, a);
569	–	//             }
570	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
571	–	//                 (CompletableFuture<T> f,
572	–	//                  CompletionStage<? extends U> g,
573	–	//                  BiConsumer<? super T,? super U> a) {
574	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
575	–	//             }
576	–	//         },
577	–
578	–	EXECUTOR {
826		public <T,U> CompletableFuture<Void> runAfterBoth
827		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
828		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 592 | Line 839 | public class CompletableFutureTest exten
839		BiFunction<? super T,? super U,? extends V> a) {
840		return f.thenCombineAsync(g, a, new ThreadExecutor());
841		}
842	<	public <T,U> CompletableFuture<U> applyToEither
842	>	public <T> CompletableFuture<Void> runAfterEither
843		(CompletableFuture<T> f,
844	<	CompletionStage<? extends T> g,
845	<	Function<? super T,U> a) {
846	<	return f.applyToEitherAsync(g, a, new ThreadExecutor());
844	>	CompletionStage<?> g,
845	>	java.lang.Runnable a) {
846	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
847		}
848		public <T> CompletableFuture<Void> acceptEither
849		(CompletableFuture<T> f,
#	Line 604 | Line 851 | public class CompletableFutureTest exten
851		Consumer<? super T> a) {
852		return f.acceptEitherAsync(g, a, new ThreadExecutor());
853		}
854	<	public <T> CompletableFuture<Void> runAfterEither
854	>	public <T,U> CompletableFuture<U> applyToEither
855		(CompletableFuture<T> f,
856	<	CompletionStage<?> g,
857	<	java.lang.Runnable a) {
858	<	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
856	>	CompletionStage<? extends T> g,
857	>	Function<? super T,U> a) {
858	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
859		}
860	<	public <T,U> CompletableFuture<U> thenCompose
860	>	public <T> CompletableFuture<T> exceptionally
861		(CompletableFuture<T> f,
862	<	Function<? super T,? extends CompletionStage<U>> a) {
863	<	return f.thenComposeAsync(a, new ThreadExecutor());
862	>	Function<Throwable, ? extends T> fn) {
863	>	return f.exceptionallyAsync(fn, new ThreadExecutor());
864		}
865	<	public <T> CompletableFuture<T> whenComplete
866	<	(CompletableFuture<T> f,
867	<	BiConsumer<? super T,? super Throwable> a) {
621	<	return f.whenCompleteAsync(a, new ThreadExecutor());
865	>	public <T> CompletableFuture<T> exceptionallyCompose
866	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
867	>	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
868		}
869	+
870		};
871
872	+	public abstract void checkExecutionMode();
873	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
874	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
875	+	public abstract <T> CompletableFuture<Void> thenRun
876	+	(CompletableFuture<T> f, Runnable a);
877	+	public abstract <T> CompletableFuture<Void> thenAccept
878	+	(CompletableFuture<T> f, Consumer<? super T> a);
879	+	public abstract <T,U> CompletableFuture<U> thenApply
880	+	(CompletableFuture<T> f, Function<? super T,U> a);
881	+	public abstract <T,U> CompletableFuture<U> thenCompose
882	+	(CompletableFuture<T> f,
883	+	Function<? super T,? extends CompletionStage<U>> a);
884	+	public abstract <T,U> CompletableFuture<U> handle
885	+	(CompletableFuture<T> f,
886	+	BiFunction<? super T,Throwable,? extends U> a);
887	+	public abstract <T> CompletableFuture<T> whenComplete
888	+	(CompletableFuture<T> f,
889	+	BiConsumer<? super T,? super Throwable> a);
890		public abstract <T,U> CompletableFuture<Void> runAfterBoth
891		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
892		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
#	Line 632 | Line 897 | public class CompletableFutureTest exten
897		(CompletableFuture<T> f,
898		CompletionStage<? extends U> g,
899		BiFunction<? super T,? super U,? extends V> a);
900	<	public abstract <T,U> CompletableFuture<U> applyToEither
900	>	public abstract <T> CompletableFuture<Void> runAfterEither
901		(CompletableFuture<T> f,
902	<	CompletionStage<? extends T> g,
903	<	Function<? super T,U> a);
902	>	CompletionStage<?> g,
903	>	java.lang.Runnable a);
904		public abstract <T> CompletableFuture<Void> acceptEither
905		(CompletableFuture<T> f,
906		CompletionStage<? extends T> g,
907		Consumer<? super T> a);
908	<	public abstract <T> CompletableFuture<Void> runAfterEither
908	>	public abstract <T,U> CompletableFuture<U> applyToEither
909		(CompletableFuture<T> f,
910	<	CompletionStage<?> g,
911	<	java.lang.Runnable a);
912	<	public abstract <T,U> CompletableFuture<U> thenCompose
910	>	CompletionStage<? extends T> g,
911	>	Function<? super T,U> a);
912	>	public abstract <T> CompletableFuture<T> exceptionally
913		(CompletableFuture<T> f,
914	<	Function<? super T,? extends CompletionStage<U>> a);
915	<	public abstract <T> CompletableFuture<T> whenComplete
914	>	Function<Throwable, ? extends T> fn);
915	>	public abstract <T> CompletableFuture<T> exceptionallyCompose
916		(CompletableFuture<T> f,
917	<	BiConsumer<? super T,? super Throwable> a);
653	<
654	<
655	<	}
656	<
657	<	/**
658	<	* exceptionally action completes with function value on source
659	<	* exception; otherwise with source value
660	<	*/
661	<	public void testExceptionally() {
662	<	CompletableFuture<Integer> f = new CompletableFuture<>();
663	<	ExceptionToInteger r = new ExceptionToInteger();
664	<	CompletableFuture<Integer> g = f.exceptionally(r);
665	<	f.completeExceptionally(new CFException());
666	<	checkCompletedNormally(g, three);
667	<
668	<	f = new CompletableFuture<>();
669	<	r = new ExceptionToInteger();
670	<	g = f.exceptionally(r);
671	<	f.complete(one);
672	<	checkCompletedNormally(g, one);
673	<	}
674	<
675	<	/**
676	<	* handle action completes normally with function value on either
677	<	* normal or exceptional completion of source
678	<	*/
679	<	public void testHandle() {
680	<	CompletableFuture<Integer> f, g;
681	<	IntegerHandler r;
682	<
683	<	f = new CompletableFuture<>();
684	<	f.completeExceptionally(new CFException());
685	<	g = f.handle(r = new IntegerHandler());
686	<	assertTrue(r.ran);
687	<	checkCompletedNormally(g, three);
688	<
689	<	f = new CompletableFuture<>();
690	<	g = f.handle(r = new IntegerHandler());
691	<	assertFalse(r.ran);
692	<	f.completeExceptionally(new CFException());
693	<	checkCompletedNormally(g, three);
694	<	assertTrue(r.ran);
695	<
696	<	f = new CompletableFuture<>();
697	<	f.complete(one);
698	<	g = f.handle(r = new IntegerHandler());
699	<	assertTrue(r.ran);
700	<	checkCompletedNormally(g, two);
701	<
702	<	f = new CompletableFuture<>();
703	<	g = f.handle(r = new IntegerHandler());
704	<	assertFalse(r.ran);
705	<	f.complete(one);
706	<	assertTrue(r.ran);
707	<	checkCompletedNormally(g, two);
708	<	}
709	<
710	<	/**
711	<	* runAsync completes after running Runnable
712	<	*/
713	<	public void testRunAsync() {
714	<	Noop r = new Noop();
715	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
716	<	assertNull(f.join());
717	<	assertTrue(r.ran);
718	<	checkCompletedNormally(f, null);
719	<	}
720	<
721	<	/**
722	<	* runAsync with executor completes after running Runnable
723	<	*/
724	<	public void testRunAsync2() {
725	<	Noop r = new Noop();
726	<	ThreadExecutor exec = new ThreadExecutor();
727	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
728	<	assertNull(f.join());
729	<	assertTrue(r.ran);
730	<	checkCompletedNormally(f, null);
731	<	assertEquals(1, exec.count.get());
732	<	}
733	<
734	<	/**
735	<	* failing runAsync completes exceptionally after running Runnable
736	<	*/
737	<	public void testRunAsync3() {
738	<	FailingNoop r = new FailingNoop();
739	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
740	<	checkCompletedWithWrappedCFException(f);
741	<	assertTrue(r.ran);
917	>	Function<Throwable, ? extends CompletionStage<T>> fn);
918		}
919
920		/**
921	<	* supplyAsync completes with result of supplier
921	>	* exceptionally action is not invoked when source completes
922	>	* normally, and source result is propagated
923		*/
924	<	public void testSupplyAsync() {
925	<	CompletableFuture<Integer> f;
926	<	f = CompletableFuture.supplyAsync(supplyOne);
927	<	assertEquals(f.join(), one);
928	<	checkCompletedNormally(f, one);
929	<	}
924	>	public void testExceptionally_normalCompletion() {
925	>	for (ExecutionMode m : ExecutionMode.values())
926	>	for (boolean createIncomplete : new boolean[] { true, false })
927	>	for (Integer v1 : new Integer[] { 1, null })
928	>	{
929	>	final AtomicInteger ran = new AtomicInteger(0);
930	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
931	>	if (!createIncomplete) assertTrue(f.complete(v1));
932	>	final CompletableFuture<Integer> g = m.exceptionally
933	>	(f, (Throwable t) -> {
934	>	ran.getAndIncrement();
935	>	throw new AssertionError("should not be called");
936	>	});
937	>	if (createIncomplete) assertTrue(f.complete(v1));
938
939	<	/**
940	<	* supplyAsync with executor completes with result of supplier
941	<	*/
942	<	public void testSupplyAsync2() {
758	<	CompletableFuture<Integer> f;
759	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
760	<	assertEquals(f.join(), one);
761	<	checkCompletedNormally(f, one);
762	<	}
939	>	checkCompletedNormally(g, v1);
940	>	checkCompletedNormally(f, v1);
941	>	assertEquals(0, ran.get());
942	>	}}
943
944		/**
945	<	* Failing supplyAsync completes exceptionally
945	>	* exceptionally action completes with function value on source
946	>	* exception
947		*/
948	<	public void testSupplyAsync3() {
949	<	FailingSupplier r = new FailingSupplier();
950	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
951	<	checkCompletedWithWrappedCFException(f);
952	<	assertTrue(r.ran);
953	<	}
948	>	public void testExceptionally_exceptionalCompletion() {
949	>	for (ExecutionMode m : ExecutionMode.values())
950	>	for (boolean createIncomplete : new boolean[] { true, false })
951	>	for (Integer v1 : new Integer[] { 1, null })
952	>	{
953	>	final AtomicInteger ran = new AtomicInteger(0);
954	>	final CFException ex = new CFException();
955	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
956	>	if (!createIncomplete) f.completeExceptionally(ex);
957	>	final CompletableFuture<Integer> g = m.exceptionally
958	>	(f, (Throwable t) -> {
959	>	m.checkExecutionMode();
960	>	assertSame(t, ex);
961	>	ran.getAndIncrement();
962	>	return v1;
963	>	});
964	>	if (createIncomplete) f.completeExceptionally(ex);
965
966	<	// seq completion methods
966	>	checkCompletedNormally(g, v1);
967	>	assertEquals(1, ran.get());
968	>	}}
969
970		/**
971	<	* thenRun result completes normally after normal completion of source
971	>	* If an "exceptionally action" throws an exception, it completes
972	>	* exceptionally with that exception
973		*/
974	<	public void testThenRun() {
975	<	CompletableFuture<Integer> f;
976	<	CompletableFuture<Void> g;
977	<	Noop r;
978	<
979	<	f = new CompletableFuture<>();
980	<	g = f.thenRun(r = new Noop());
981	<	f.complete(null);
982	<	checkCompletedNormally(g, null);
983	<	assertTrue(r.ran);
974	>	public void testExceptionally_exceptionalCompletionActionFailed() {
975	>	for (ExecutionMode m : ExecutionMode.values())
976	>	for (boolean createIncomplete : new boolean[] { true, false })
977	>	{
978	>	final AtomicInteger ran = new AtomicInteger(0);
979	>	final CFException ex1 = new CFException();
980	>	final CFException ex2 = new CFException();
981	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
982	>	if (!createIncomplete) f.completeExceptionally(ex1);
983	>	final CompletableFuture<Integer> g = m.exceptionally
984	>	(f, (Throwable t) -> {
985	>	m.checkExecutionMode();
986	>	assertSame(t, ex1);
987	>	ran.getAndIncrement();
988	>	throw ex2;
989	>	});
990	>	if (createIncomplete) f.completeExceptionally(ex1);
991
992	<	f = new CompletableFuture<>();
993	<	f.complete(null);
994	<	g = f.thenRun(r = new Noop());
995	<	checkCompletedNormally(g, null);
794	<	assertTrue(r.ran);
795	<	}
992	>	checkCompletedWithWrappedException(g, ex2);
993	>	checkCompletedExceptionally(f, ex1);
994	>	assertEquals(1, ran.get());
995	>	}}
996
997		/**
998	<	* thenRun result completes exceptionally after exceptional
999	<	* completion of source
998	>	* whenComplete action executes on normal completion, propagating
999	>	* source result.
1000		*/
1001	<	public void testThenRun2() {
1002	<	CompletableFuture<Integer> f;
1003	<	CompletableFuture<Void> g;
1004	<	Noop r;
1005	<
1006	<	f = new CompletableFuture<>();
1007	<	g = f.thenRun(r = new Noop());
1008	<	f.completeExceptionally(new CFException());
1009	<	checkCompletedWithWrappedCFException(g);
1010	<	assertFalse(r.ran);
1001	>	public void testWhenComplete_normalCompletion() {
1002	>	for (ExecutionMode m : ExecutionMode.values())
1003	>	for (boolean createIncomplete : new boolean[] { true, false })
1004	>	for (Integer v1 : new Integer[] { 1, null })
1005	>	{
1006	>	final AtomicInteger ran = new AtomicInteger(0);
1007	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1008	>	if (!createIncomplete) assertTrue(f.complete(v1));
1009	>	final CompletableFuture<Integer> g = m.whenComplete
1010	>	(f,
1011	>	(Integer result, Throwable t) -> {
1012	>	m.checkExecutionMode();
1013	>	assertSame(result, v1);
1014	>	assertNull(t);
1015	>	ran.getAndIncrement();
1016	>	});
1017	>	if (createIncomplete) assertTrue(f.complete(v1));
1018
1019	<	f = new CompletableFuture<>();
1020	<	f.completeExceptionally(new CFException());
1021	<	g = f.thenRun(r = new Noop());
1022	<	checkCompletedWithWrappedCFException(g);
816	<	assertFalse(r.ran);
817	<	}
1019	>	checkCompletedNormally(g, v1);
1020	>	checkCompletedNormally(f, v1);
1021	>	assertEquals(1, ran.get());
1022	>	}}
1023
1024		/**
1025	<	* thenRun result completes exceptionally if action does
1025	>	* whenComplete action executes on exceptional completion, propagating
1026	>	* source result.
1027		*/
1028	<	public void testThenRun3() {
1029	<	CompletableFuture<Integer> f;
1030	<	CompletableFuture<Void> g;
1031	<	FailingNoop r;
1032	<
1033	<	f = new CompletableFuture<>();
1034	<	g = f.thenRun(r = new FailingNoop());
1035	<	f.complete(null);
1036	<	checkCompletedWithWrappedCFException(g);
1028	>	public void testWhenComplete_exceptionalCompletion() {
1029	>	for (ExecutionMode m : ExecutionMode.values())
1030	>	for (boolean createIncomplete : new boolean[] { true, false })
1031	>	{
1032	>	final AtomicInteger ran = new AtomicInteger(0);
1033	>	final CFException ex = new CFException();
1034	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1035	>	if (!createIncomplete) f.completeExceptionally(ex);
1036	>	final CompletableFuture<Integer> g = m.whenComplete
1037	>	(f,
1038	>	(Integer result, Throwable t) -> {
1039	>	m.checkExecutionMode();
1040	>	assertNull(result);
1041	>	assertSame(t, ex);
1042	>	ran.getAndIncrement();
1043	>	});
1044	>	if (createIncomplete) f.completeExceptionally(ex);
1045
1046	<	f = new CompletableFuture<>();
1047	<	f.complete(null);
1048	<	g = f.thenRun(r = new FailingNoop());
1049	<	checkCompletedWithWrappedCFException(g);
836	<	}
1046	>	checkCompletedWithWrappedException(g, ex);
1047	>	checkCompletedExceptionally(f, ex);
1048	>	assertEquals(1, ran.get());
1049	>	}}
1050
1051		/**
1052	<	* thenRun result completes exceptionally if source cancelled
1052	>	* whenComplete action executes on cancelled source, propagating
1053	>	* CancellationException.
1054		*/
1055	<	public void testThenRun4() {
1056	<	CompletableFuture<Integer> f;
1057	<	CompletableFuture<Void> g;
1058	<	Noop r;
1059	<
1060	<	f = new CompletableFuture<>();
1061	<	g = f.thenRun(r = new Noop());
1062	<	assertTrue(f.cancel(true));
1063	<	checkCompletedWithWrappedCancellationException(g);
1055	>	public void testWhenComplete_sourceCancelled() {
1056	>	for (ExecutionMode m : ExecutionMode.values())
1057	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1058	>	for (boolean createIncomplete : new boolean[] { true, false })
1059	>	{
1060	>	final AtomicInteger ran = new AtomicInteger(0);
1061	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1062	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1063	>	final CompletableFuture<Integer> g = m.whenComplete
1064	>	(f,
1065	>	(Integer result, Throwable t) -> {
1066	>	m.checkExecutionMode();
1067	>	assertNull(result);
1068	>	assertTrue(t instanceof CancellationException);
1069	>	ran.getAndIncrement();
1070	>	});
1071	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1072
851	–	f = new CompletableFuture<>();
852	–	assertTrue(f.cancel(true));
853	–	g = f.thenRun(r = new Noop());
1073		checkCompletedWithWrappedCancellationException(g);
1074	<	}
1074	>	checkCancelled(f);
1075	>	assertEquals(1, ran.get());
1076	>	}}
1077
1078		/**
1079	<	* thenApply result completes normally after normal completion of source
1079	>	* If a whenComplete action throws an exception when triggered by
1080	>	* a normal completion, it completes exceptionally
1081		*/
1082	<	public void testThenApply() {
1083	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1084	<	CompletableFuture<Integer> g = f.thenApply(inc);
1085	<	f.complete(one);
1086	<	checkCompletedNormally(g, two);
1087	<	}
1082	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1083	>	for (boolean createIncomplete : new boolean[] { true, false })
1084	>	for (ExecutionMode m : ExecutionMode.values())
1085	>	for (Integer v1 : new Integer[] { 1, null })
1086	>	{
1087	>	final AtomicInteger ran = new AtomicInteger(0);
1088	>	final CFException ex = new CFException();
1089	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1090	>	if (!createIncomplete) assertTrue(f.complete(v1));
1091	>	final CompletableFuture<Integer> g = m.whenComplete
1092	>	(f,
1093	>	(Integer result, Throwable t) -> {
1094	>	m.checkExecutionMode();
1095	>	assertSame(result, v1);
1096	>	assertNull(t);
1097	>	ran.getAndIncrement();
1098	>	throw ex;
1099	>	});
1100	>	if (createIncomplete) assertTrue(f.complete(v1));
1101
1102	<	/**
1103	<	* thenApply result completes exceptionally after exceptional
1104	<	* completion of source
1105	<	*/
871	<	public void testThenApply2() {
872	<	CompletableFuture<Integer> f = new CompletableFuture<>();
873	<	CompletableFuture<Integer> g = f.thenApply(inc);
874	<	f.completeExceptionally(new CFException());
875	<	checkCompletedWithWrappedCFException(g);
876	<	}
1102	>	checkCompletedWithWrappedException(g, ex);
1103	>	checkCompletedNormally(f, v1);
1104	>	assertEquals(1, ran.get());
1105	>	}}
1106
1107		/**
1108	<	* thenApply result completes exceptionally if action does
1108	>	* If a whenComplete action throws an exception when triggered by
1109	>	* a source completion that also throws an exception, the source
1110	>	* exception takes precedence (unlike handle)
1111		*/
1112	<	public void testThenApply3() {
1113	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1114	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1115	<	f.complete(one);
1116	<	checkCompletedWithWrappedCFException(g);
1117	<	}
1112	>	public void testWhenComplete_sourceFailedActionFailed() {
1113	>	for (boolean createIncomplete : new boolean[] { true, false })
1114	>	for (ExecutionMode m : ExecutionMode.values())
1115	>	{
1116	>	final AtomicInteger ran = new AtomicInteger(0);
1117	>	final CFException ex1 = new CFException();
1118	>	final CFException ex2 = new CFException();
1119	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1120
1121	<	/**
1122	<	* thenApply result completes exceptionally if source cancelled
1123	<	*/
1124	<	public void testThenApply4() {
1125	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1126	<	CompletableFuture<Integer> g = f.thenApply(inc);
1127	<	assertTrue(f.cancel(true));
1128	<	checkCompletedWithWrappedCancellationException(g);
1129	<	}
1121	>	if (!createIncomplete) f.completeExceptionally(ex1);
1122	>	final CompletableFuture<Integer> g = m.whenComplete
1123	>	(f,
1124	>	(Integer result, Throwable t) -> {
1125	>	m.checkExecutionMode();
1126	>	assertSame(t, ex1);
1127	>	assertNull(result);
1128	>	ran.getAndIncrement();
1129	>	throw ex2;
1130	>	});
1131	>	if (createIncomplete) f.completeExceptionally(ex1);
1132
1133	<	/**
1134	<	* thenAccept result completes normally after normal completion of source
1135	<	*/
1136	<	public void testThenAccept() {
1137	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1138	<	IncAction r = new IncAction();
1139	<	CompletableFuture<Void> g = f.thenAccept(r);
1140	<	f.complete(one);
906	<	checkCompletedNormally(g, null);
907	<	assertEquals(r.value, (Integer) 2);
908	<	}
1133	>	checkCompletedWithWrappedException(g, ex1);
1134	>	checkCompletedExceptionally(f, ex1);
1135	>	if (testImplementationDetails) {
1136	>	assertEquals(1, ex1.getSuppressed().length);
1137	>	assertSame(ex2, ex1.getSuppressed()[0]);
1138	>	}
1139	>	assertEquals(1, ran.get());
1140	>	}}
1141
1142		/**
1143	<	* thenAccept result completes exceptionally after exceptional
1143	>	* handle action completes normally with function value on normal
1144		* completion of source
1145		*/
1146	<	public void testThenAccept2() {
915	<	CompletableFuture<Integer> f = new CompletableFuture<>();
916	<	IncAction r = new IncAction();
917	<	CompletableFuture<Void> g = f.thenAccept(r);
918	<	f.completeExceptionally(new CFException());
919	<	checkCompletedWithWrappedCFException(g);
920	<	}
921	<
922	<	/**
923	<	* thenAccept result completes exceptionally if action does
924	<	*/
925	<	public void testThenAccept3() {
926	<	CompletableFuture<Integer> f = new CompletableFuture<>();
927	<	FailingConsumer r = new FailingConsumer();
928	<	CompletableFuture<Void> g = f.thenAccept(r);
929	<	f.complete(one);
930	<	checkCompletedWithWrappedCFException(g);
931	<	assertTrue(r.ran);
932	<	}
933	<
934	<	/**
935	<	* thenAccept result completes exceptionally if source cancelled
936	<	*/
937	<	public void testThenAccept4() {
938	<	CompletableFuture<Integer> f = new CompletableFuture<>();
939	<	IncAction r = new IncAction();
940	<	CompletableFuture<Void> g = f.thenAccept(r);
941	<	assertTrue(f.cancel(true));
942	<	checkCompletedWithWrappedCancellationException(g);
943	<	}
944	<
945	<	/**
946	<	* thenCombine result completes normally after normal completion
947	<	* of sources
948	<	*/
949	<	public void testThenCombine_normalCompletion1() {
950	<	for (boolean createdIncomplete : new boolean[] { true, false })
951	<	for (boolean fFirst : new boolean[] { true, false })
1146	>	public void testHandle_normalCompletion() {
1147		for (ExecutionMode m : ExecutionMode.values())
1148	+	for (boolean createIncomplete : new boolean[] { true, false })
1149		for (Integer v1 : new Integer[] { 1, null })
1150	<	for (Integer v2 : new Integer[] { 2, null }) {
955	<
1150	>	{
1151		final CompletableFuture<Integer> f = new CompletableFuture<>();
1152	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1153	<	final SubtractFunction r = new SubtractFunction();
1154	<	CompletableFuture<Integer> h = null;
1155	<	if (createdIncomplete) h = m.thenCombine(f, g, r);
1156	<
1157	<	if (fFirst)
1158	<	f.complete(v1);
1159	<	else
1160	<	g.complete(v2);
1161	<	if (createdIncomplete) checkIncomplete(h);
1162	<	assertEquals(r.invocationCount, 0);
1163	<	if (!fFirst)
969	<	f.complete(v1);
970	<	else
971	<	g.complete(v2);
972	<	if (!createdIncomplete) h = m.thenCombine(f, g, r);
1152	>	final AtomicInteger ran = new AtomicInteger(0);
1153	>	if (!createIncomplete) assertTrue(f.complete(v1));
1154	>	final CompletableFuture<Integer> g = m.handle
1155	>	(f,
1156	>	(Integer result, Throwable t) -> {
1157	>	m.checkExecutionMode();
1158	>	assertSame(result, v1);
1159	>	assertNull(t);
1160	>	ran.getAndIncrement();
1161	>	return inc(v1);
1162	>	});
1163	>	if (createIncomplete) assertTrue(f.complete(v1));
1164
1165	<	checkCompletedNormally(h, subtract(v1, v2));
1165	>	checkCompletedNormally(g, inc(v1));
1166		checkCompletedNormally(f, v1);
1167	<	checkCompletedNormally(g, v2);
1168	<	assertEquals(r.invocationCount, 1);
978	<	}
979	<	}
1167	>	assertEquals(1, ran.get());
1168	>	}}
1169
1170		/**
1171	<	* thenCombine result completes exceptionally after exceptional
1172	<	* completion of either source
1171	>	* handle action completes normally with function value on
1172	>	* exceptional completion of source
1173		*/
1174	<	public void testThenCombine_exceptionalCompletion1() {
1174	>	public void testHandle_exceptionalCompletion() {
1175		for (ExecutionMode m : ExecutionMode.values())
1176	<	for (Integer v1 : new Integer[] { 1, null }) {
1177	<
1176	>	for (boolean createIncomplete : new boolean[] { true, false })
1177	>	for (Integer v1 : new Integer[] { 1, null })
1178	>	{
1179		final CompletableFuture<Integer> f = new CompletableFuture<>();
1180	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
991	<	final SubtractFunction r = new SubtractFunction();
992	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1180	>	final AtomicInteger ran = new AtomicInteger(0);
1181		final CFException ex = new CFException();
1182	+	if (!createIncomplete) f.completeExceptionally(ex);
1183	+	final CompletableFuture<Integer> g = m.handle
1184	+	(f,
1185	+	(Integer result, Throwable t) -> {
1186	+	m.checkExecutionMode();
1187	+	assertNull(result);
1188	+	assertSame(t, ex);
1189	+	ran.getAndIncrement();
1190	+	return v1;
1191	+	});
1192	+	if (createIncomplete) f.completeExceptionally(ex);
1193
995	–	f.completeExceptionally(ex);
996	–	checkIncomplete(h);
997	–	g.complete(v1);
998	–
999	–	checkCompletedWithWrappedCFException(h, ex);
1000	–	checkCompletedWithWrappedCFException(f, ex);
1001	–	assertEquals(r.invocationCount, 0);
1194		checkCompletedNormally(g, v1);
1195	<	}
1196	<	}
1195	>	checkCompletedExceptionally(f, ex);
1196	>	assertEquals(1, ran.get());
1197	>	}}
1198
1199	<	public void testThenCombine_exceptionalCompletion2() {
1199	>	/**
1200	>	* handle action completes normally with function value on
1201	>	* cancelled source
1202	>	*/
1203	>	public void testHandle_sourceCancelled() {
1204		for (ExecutionMode m : ExecutionMode.values())
1205	<	for (Integer v1 : new Integer[] { 1, null }) {
1206	<
1205	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1206	>	for (boolean createIncomplete : new boolean[] { true, false })
1207	>	for (Integer v1 : new Integer[] { 1, null })
1208	>	{
1209		final CompletableFuture<Integer> f = new CompletableFuture<>();
1210	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1211	<	final SubtractFunction r = new SubtractFunction();
1212	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1213	<	final CFException ex = new CFException();
1214	<
1215	<	g.completeExceptionally(ex);
1216	<	checkIncomplete(h);
1217	<	f.complete(v1);
1210	>	final AtomicInteger ran = new AtomicInteger(0);
1211	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1212	>	final CompletableFuture<Integer> g = m.handle
1213	>	(f,
1214	>	(Integer result, Throwable t) -> {
1215	>	m.checkExecutionMode();
1216	>	assertNull(result);
1217	>	assertTrue(t instanceof CancellationException);
1218	>	ran.getAndIncrement();
1219	>	return v1;
1220	>	});
1221	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1222
1223	<	checkCompletedWithWrappedCFException(h, ex);
1224	<	checkCompletedWithWrappedCFException(g, ex);
1225	<	assertEquals(r.invocationCount, 0);
1226	<	checkCompletedNormally(f, v1);
1024	<	}
1025	<	}
1223	>	checkCompletedNormally(g, v1);
1224	>	checkCancelled(f);
1225	>	assertEquals(1, ran.get());
1226	>	}}
1227
1228	<	public void testThenCombine_exceptionalCompletion3() {
1228	>	/**
1229	>	* If a "handle action" throws an exception when triggered by
1230	>	* a normal completion, it completes exceptionally
1231	>	*/
1232	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1233		for (ExecutionMode m : ExecutionMode.values())
1234	<	for (Integer v1 : new Integer[] { 1, null }) {
1235	<
1234	>	for (boolean createIncomplete : new boolean[] { true, false })
1235	>	for (Integer v1 : new Integer[] { 1, null })
1236	>	{
1237		final CompletableFuture<Integer> f = new CompletableFuture<>();
1238	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1033	<	final SubtractFunction r = new SubtractFunction();
1238	>	final AtomicInteger ran = new AtomicInteger(0);
1239		final CFException ex = new CFException();
1240	+	if (!createIncomplete) assertTrue(f.complete(v1));
1241	+	final CompletableFuture<Integer> g = m.handle
1242	+	(f,
1243	+	(Integer result, Throwable t) -> {
1244	+	m.checkExecutionMode();
1245	+	assertSame(result, v1);
1246	+	assertNull(t);
1247	+	ran.getAndIncrement();
1248	+	throw ex;
1249	+	});
1250	+	if (createIncomplete) assertTrue(f.complete(v1));
1251
1252	<	g.completeExceptionally(ex);
1037	<	f.complete(v1);
1038	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1039	<
1040	<	checkCompletedWithWrappedCFException(h, ex);
1041	<	checkCompletedWithWrappedCFException(g, ex);
1042	<	assertEquals(r.invocationCount, 0);
1252	>	checkCompletedWithWrappedException(g, ex);
1253		checkCompletedNormally(f, v1);
1254	<	}
1255	<	}
1254	>	assertEquals(1, ran.get());
1255	>	}}
1256
1257	<	public void testThenCombine_exceptionalCompletion4() {
1257	>	/**
1258	>	* If a "handle action" throws an exception when triggered by
1259	>	* a source completion that also throws an exception, the action
1260	>	* exception takes precedence (unlike whenComplete)
1261	>	*/
1262	>	public void testHandle_sourceFailedActionFailed() {
1263	>	for (boolean createIncomplete : new boolean[] { true, false })
1264		for (ExecutionMode m : ExecutionMode.values())
1265	<	for (Integer v1 : new Integer[] { 1, null }) {
1266	<
1265	>	{
1266	>	final AtomicInteger ran = new AtomicInteger(0);
1267	>	final CFException ex1 = new CFException();
1268	>	final CFException ex2 = new CFException();
1269		final CompletableFuture<Integer> f = new CompletableFuture<>();
1052	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1053	–	final SubtractFunction r = new SubtractFunction();
1054	–	final CFException ex = new CFException();
1270
1271	<	f.completeExceptionally(ex);
1272	<	g.complete(v1);
1273	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1271	>	if (!createIncomplete) f.completeExceptionally(ex1);
1272	>	final CompletableFuture<Integer> g = m.handle
1273	>	(f,
1274	>	(Integer result, Throwable t) -> {
1275	>	m.checkExecutionMode();
1276	>	assertNull(result);
1277	>	assertSame(ex1, t);
1278	>	ran.getAndIncrement();
1279	>	throw ex2;
1280	>	});
1281	>	if (createIncomplete) f.completeExceptionally(ex1);
1282
1283	<	checkCompletedWithWrappedCFException(h, ex);
1284	<	checkCompletedWithWrappedCFException(f, ex);
1285	<	assertEquals(r.invocationCount, 0);
1286	<	checkCompletedNormally(g, v1);
1064	<	}
1065	<	}
1283	>	checkCompletedWithWrappedException(g, ex2);
1284	>	checkCompletedExceptionally(f, ex1);
1285	>	assertEquals(1, ran.get());
1286	>	}}
1287
1288		/**
1289	<	* thenCombine result completes exceptionally if action does
1289	>	* runAsync completes after running Runnable
1290		*/
1291	<	public void testThenCombine_actionFailed1() {
1292	<	for (ExecutionMode m : ExecutionMode.values())
1293	<	for (Integer v1 : new Integer[] { 1, null })
1294	<	for (Integer v2 : new Integer[] { 2, null }) {
1295	<
1296	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1297	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1298	<	final FailingBiFunction r = new FailingBiFunction();
1299	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1300	<
1301	<	f.complete(v1);
1302	<	checkIncomplete(h);
1303	<	g.complete(v2);
1291	>	public void testRunAsync_normalCompletion() {
1292	>	ExecutionMode[] executionModes = {
1293	>	ExecutionMode.ASYNC,
1294	>	ExecutionMode.EXECUTOR,
1295	>	};
1296	>	for (ExecutionMode m : executionModes)
1297	>	{
1298	>	final Noop r = new Noop(m);
1299	>	final CompletableFuture<Void> f = m.runAsync(r);
1300	>	assertNull(f.join());
1301	>	checkCompletedNormally(f, null);
1302	>	r.assertInvoked();
1303	>	}}
1304
1305	<	checkCompletedWithWrappedCFException(h);
1306	<	checkCompletedNormally(f, v1);
1307	<	checkCompletedNormally(g, v2);
1305	>	/**
1306	>	* failing runAsync completes exceptionally after running Runnable
1307	>	*/
1308	>	public void testRunAsync_exceptionalCompletion() {
1309	>	ExecutionMode[] executionModes = {
1310	>	ExecutionMode.ASYNC,
1311	>	ExecutionMode.EXECUTOR,
1312	>	};
1313	>	for (ExecutionMode m : executionModes)
1314	>	{
1315	>	final FailingRunnable r = new FailingRunnable(m);
1316	>	final CompletableFuture<Void> f = m.runAsync(r);
1317	>	checkCompletedWithWrappedException(f, r.ex);
1318	>	r.assertInvoked();
1319	>	}}
1320	>
1321	>	@SuppressWarnings("FutureReturnValueIgnored")
1322	>	public void testRunAsync_rejectingExecutor() {
1323	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1324	>	try {
1325	>	CompletableFuture.runAsync(() -> {}, e);
1326	>	shouldThrow();
1327	>	} catch (Throwable t) {
1328	>	assertSame(e.ex, t);
1329		}
1330	+
1331	+	assertEquals(1, e.count.get());
1332		}
1333
1334	<	public void testThenCombine_actionFailed2() {
1335	<	for (ExecutionMode m : ExecutionMode.values())
1334	>	/**
1335	>	* supplyAsync completes with result of supplier
1336	>	*/
1337	>	public void testSupplyAsync_normalCompletion() {
1338	>	ExecutionMode[] executionModes = {
1339	>	ExecutionMode.ASYNC,
1340	>	ExecutionMode.EXECUTOR,
1341	>	};
1342	>	for (ExecutionMode m : executionModes)
1343		for (Integer v1 : new Integer[] { 1, null })
1344	<	for (Integer v2 : new Integer[] { 2, null }) {
1345	<
1346	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1347	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1097	<	final FailingBiFunction r = new FailingBiFunction();
1098	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1099	<
1100	<	g.complete(v2);
1101	<	checkIncomplete(h);
1102	<	f.complete(v1);
1103	<
1104	<	checkCompletedWithWrappedCFException(h);
1344	>	{
1345	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1346	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1347	>	assertSame(v1, f.join());
1348		checkCompletedNormally(f, v1);
1349	<	checkCompletedNormally(g, v2);
1350	<	}
1108	<	}
1349	>	r.assertInvoked();
1350	>	}}
1351
1352		/**
1353	<	* thenCombine result completes exceptionally if either source cancelled
1353	>	* Failing supplyAsync completes exceptionally
1354		*/
1355	<	public void testThenCombine_sourceCancelled1() {
1356	<	for (ExecutionMode m : ExecutionMode.values())
1357	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1358	<	for (Integer v1 : new Integer[] { 1, null }) {
1359	<
1360	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1361	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1362	<	final SubtractFunction r = new SubtractFunction();
1363	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1364	<
1365	<	assertTrue(f.cancel(mayInterruptIfRunning));
1366	<	checkIncomplete(h);
1367	<	g.complete(v1);
1368	<
1369	<	checkCompletedWithWrappedCancellationException(h);
1370	<	checkCancelled(f);
1371	<	assertEquals(r.invocationCount, 0);
1372	<	checkCompletedNormally(g, v1);
1355	>	public void testSupplyAsync_exceptionalCompletion() {
1356	>	ExecutionMode[] executionModes = {
1357	>	ExecutionMode.ASYNC,
1358	>	ExecutionMode.EXECUTOR,
1359	>	};
1360	>	for (ExecutionMode m : executionModes)
1361	>	{
1362	>	FailingSupplier r = new FailingSupplier(m);
1363	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1364	>	checkCompletedWithWrappedException(f, r.ex);
1365	>	r.assertInvoked();
1366	>	}}
1367	>
1368	>	@SuppressWarnings("FutureReturnValueIgnored")
1369	>	public void testSupplyAsync_rejectingExecutor() {
1370	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1371	>	try {
1372	>	CompletableFuture.supplyAsync(() -> null, e);
1373	>	shouldThrow();
1374	>	} catch (Throwable t) {
1375	>	assertSame(e.ex, t);
1376		}
1377	+
1378	+	assertEquals(1, e.count.get());
1379		}
1380
1381	<	public void testThenCombine_sourceCancelled2() {
1135	<	for (ExecutionMode m : ExecutionMode.values())
1136	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1137	<	for (Integer v1 : new Integer[] { 1, null }) {
1381	>	// seq completion methods
1382
1383	+	/**
1384	+	* thenRun result completes normally after normal completion of source
1385	+	*/
1386	+	public void testThenRun_normalCompletion() {
1387	+	for (ExecutionMode m : ExecutionMode.values())
1388	+	for (Integer v1 : new Integer[] { 1, null })
1389	+	{
1390		final CompletableFuture<Integer> f = new CompletableFuture<>();
1391	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1392	<	final SubtractFunction r = new SubtractFunction();
1142	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1143	<
1144	<	assertTrue(g.cancel(mayInterruptIfRunning));
1145	<	checkIncomplete(h);
1146	<	f.complete(v1);
1391	>	final Noop[] rs = new Noop[6];
1392	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1393
1394	<	checkCompletedWithWrappedCancellationException(h);
1395	<	checkCancelled(g);
1396	<	assertEquals(r.invocationCount, 0);
1394	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1395	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1396	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1397	>	checkIncomplete(h0);
1398	>	checkIncomplete(h1);
1399	>	checkIncomplete(h2);
1400	>	assertTrue(f.complete(v1));
1401	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1402	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1403	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1404	>
1405	>	checkCompletedNormally(h0, null);
1406	>	checkCompletedNormally(h1, null);
1407	>	checkCompletedNormally(h2, null);
1408	>	checkCompletedNormally(h3, null);
1409	>	checkCompletedNormally(h4, null);
1410	>	checkCompletedNormally(h5, null);
1411		checkCompletedNormally(f, v1);
1412	<	}
1413	<	}
1412	>	for (Noop r : rs) r.assertInvoked();
1413	>	}}
1414
1415	<	public void testThenCombine_sourceCancelled3() {
1415	>	/**
1416	>	* thenRun result completes exceptionally after exceptional
1417	>	* completion of source
1418	>	*/
1419	>	public void testThenRun_exceptionalCompletion() {
1420		for (ExecutionMode m : ExecutionMode.values())
1421	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1422	<	for (Integer v1 : new Integer[] { 1, null }) {
1159	<
1421	>	{
1422	>	final CFException ex = new CFException();
1423		final CompletableFuture<Integer> f = new CompletableFuture<>();
1424	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1425	<	final SubtractFunction r = new SubtractFunction();
1163	<
1164	<	assertTrue(g.cancel(mayInterruptIfRunning));
1165	<	f.complete(v1);
1166	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1424	>	final Noop[] rs = new Noop[6];
1425	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1426
1427	<	checkCompletedWithWrappedCancellationException(h);
1428	<	checkCancelled(g);
1429	<	assertEquals(r.invocationCount, 0);
1430	<	checkCompletedNormally(f, v1);
1431	<	}
1432	<	}
1427	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1428	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1429	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1430	>	checkIncomplete(h0);
1431	>	checkIncomplete(h1);
1432	>	checkIncomplete(h2);
1433	>	assertTrue(f.completeExceptionally(ex));
1434	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1435	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1436	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1437	>
1438	>	checkCompletedWithWrappedException(h0, ex);
1439	>	checkCompletedWithWrappedException(h1, ex);
1440	>	checkCompletedWithWrappedException(h2, ex);
1441	>	checkCompletedWithWrappedException(h3, ex);
1442	>	checkCompletedWithWrappedException(h4, ex);
1443	>	checkCompletedWithWrappedException(h5, ex);
1444	>	checkCompletedExceptionally(f, ex);
1445	>	for (Noop r : rs) r.assertNotInvoked();
1446	>	}}
1447
1448	<	public void testThenCombine_sourceCancelled4() {
1448	>	/**
1449	>	* thenRun result completes exceptionally if source cancelled
1450	>	*/
1451	>	public void testThenRun_sourceCancelled() {
1452		for (ExecutionMode m : ExecutionMode.values())
1453		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1454	<	for (Integer v1 : new Integer[] { 1, null }) {
1179	<
1454	>	{
1455		final CompletableFuture<Integer> f = new CompletableFuture<>();
1456	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1457	<	final SubtractFunction r = new SubtractFunction();
1456	>	final Noop[] rs = new Noop[6];
1457	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1458
1459	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1460	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1461	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1462	+	checkIncomplete(h0);
1463	+	checkIncomplete(h1);
1464	+	checkIncomplete(h2);
1465		assertTrue(f.cancel(mayInterruptIfRunning));
1466	<	g.complete(v1);
1467	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1468	<
1469	<	checkCompletedWithWrappedCancellationException(h);
1466	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1467	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1468	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1469	>
1470	>	checkCompletedWithWrappedCancellationException(h0);
1471	>	checkCompletedWithWrappedCancellationException(h1);
1472	>	checkCompletedWithWrappedCancellationException(h2);
1473	>	checkCompletedWithWrappedCancellationException(h3);
1474	>	checkCompletedWithWrappedCancellationException(h4);
1475	>	checkCompletedWithWrappedCancellationException(h5);
1476		checkCancelled(f);
1477	<	assertEquals(r.invocationCount, 0);
1478	<	checkCompletedNormally(g, v1);
1192	<	}
1193	<	}
1477	>	for (Noop r : rs) r.assertNotInvoked();
1478	>	}}
1479
1480		/**
1481	<	* thenAcceptBoth result completes normally after normal
1197	<	* completion of sources
1481	>	* thenRun result completes exceptionally if action does
1482		*/
1483	<	public void testThenAcceptBoth_normalCompletion1() {
1200	<	for (ExecutionMode m : ExecutionMode.values())
1201	<	for (Integer v1 : new Integer[] { 1, null })
1202	<	for (Integer v2 : new Integer[] { 2, null }) {
1203	<
1204	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1205	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1206	<	final SubtractAction r = new SubtractAction();
1207	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1208	<
1209	<	f.complete(v1);
1210	<	checkIncomplete(h);
1211	<	assertFalse(r.ran());
1212	<	g.complete(v2);
1213	<
1214	<	checkCompletedNormally(h, null);
1215	<	assertEquals(r.value, subtract(v1, v2));
1216	<	checkCompletedNormally(f, v1);
1217	<	checkCompletedNormally(g, v2);
1218	<	}
1219	<	}
1220	<
1221	<	public void testThenAcceptBoth_normalCompletion2() {
1222	<	for (ExecutionMode m : ExecutionMode.values())
1223	<	for (Integer v1 : new Integer[] { 1, null })
1224	<	for (Integer v2 : new Integer[] { 2, null }) {
1225	<
1226	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1227	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1228	<	final SubtractAction r = new SubtractAction();
1229	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1230	<
1231	<	g.complete(v2);
1232	<	checkIncomplete(h);
1233	<	assertFalse(r.ran());
1234	<	f.complete(v1);
1235	<
1236	<	checkCompletedNormally(h, null);
1237	<	assertEquals(r.value, subtract(v1, v2));
1238	<	checkCompletedNormally(f, v1);
1239	<	checkCompletedNormally(g, v2);
1240	<	}
1241	<	}
1242	<
1243	<	public void testThenAcceptBoth_normalCompletion3() {
1483	>	public void testThenRun_actionFailed() {
1484		for (ExecutionMode m : ExecutionMode.values())
1485		for (Integer v1 : new Integer[] { 1, null })
1486	<	for (Integer v2 : new Integer[] { 2, null }) {
1247	<
1486	>	{
1487		final CompletableFuture<Integer> f = new CompletableFuture<>();
1488	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1489	<	final SubtractAction r = new SubtractAction();
1251	<
1252	<	g.complete(v2);
1253	<	f.complete(v1);
1254	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1488	>	final FailingRunnable[] rs = new FailingRunnable[6];
1489	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1490
1491	<	checkCompletedNormally(h, null);
1492	<	assertEquals(r.value, subtract(v1, v2));
1491	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1492	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1493	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1494	>	assertTrue(f.complete(v1));
1495	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1496	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1497	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1498	>
1499	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1500	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1501	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1502	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1503	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1504	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1505		checkCompletedNormally(f, v1);
1506	<	checkCompletedNormally(g, v2);
1260	<	}
1261	<	}
1506	>	}}
1507
1508	<	public void testThenAcceptBoth_normalCompletion4() {
1508	>	/**
1509	>	* thenApply result completes normally after normal completion of source
1510	>	*/
1511	>	public void testThenApply_normalCompletion() {
1512		for (ExecutionMode m : ExecutionMode.values())
1513		for (Integer v1 : new Integer[] { 1, null })
1514	<	for (Integer v2 : new Integer[] { 2, null }) {
1267	<
1514	>	{
1515		final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1517	<	final SubtractAction r = new SubtractAction();
1516	>	final IncFunction[] rs = new IncFunction[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1518
1519	<	f.complete(v1);
1520	<	g.complete(v2);
1521	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1522	<
1523	<	checkCompletedNormally(h, null);
1524	<	assertEquals(r.value, subtract(v1, v2));
1519	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1520	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1521	>	checkIncomplete(h0);
1522	>	checkIncomplete(h1);
1523	>	assertTrue(f.complete(v1));
1524	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1525	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1526	>
1527	>	checkCompletedNormally(h0, inc(v1));
1528	>	checkCompletedNormally(h1, inc(v1));
1529	>	checkCompletedNormally(h2, inc(v1));
1530	>	checkCompletedNormally(h3, inc(v1));
1531		checkCompletedNormally(f, v1);
1532	<	checkCompletedNormally(g, v2);
1533	<	}
1281	<	}
1532	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1533	>	}}
1534
1535		/**
1536	<	* thenAcceptBoth result completes exceptionally after exceptional
1537	<	* completion of either source
1536	>	* thenApply result completes exceptionally after exceptional
1537	>	* completion of source
1538		*/
1539	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1539	>	public void testThenApply_exceptionalCompletion() {
1540		for (ExecutionMode m : ExecutionMode.values())
1541	<	for (Integer v1 : new Integer[] { 1, null }) {
1290	<
1291	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1292	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1293	<	final SubtractAction r = new SubtractAction();
1294	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1541	>	{
1542		final CFException ex = new CFException();
1296	–
1297	–	f.completeExceptionally(ex);
1298	–	checkIncomplete(h);
1299	–	g.complete(v1);
1300	–
1301	–	checkCompletedWithWrappedCFException(h, ex);
1302	–	checkCompletedWithWrappedCFException(f, ex);
1303	–	assertEquals(r.invocationCount, 0);
1304	–	checkCompletedNormally(g, v1);
1305	–	}
1306	–	}
1307	–
1308	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1309	–	for (ExecutionMode m : ExecutionMode.values())
1310	–	for (Integer v1 : new Integer[] { 1, null }) {
1311	–
1543		final CompletableFuture<Integer> f = new CompletableFuture<>();
1544	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1545	<	final SubtractAction r = new SubtractAction();
1315	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1316	<	final CFException ex = new CFException();
1544	>	final IncFunction[] rs = new IncFunction[4];
1545	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1546
1547	<	g.completeExceptionally(ex);
1548	<	checkIncomplete(h);
1549	<	f.complete(v1);
1547	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1548	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1549	>	assertTrue(f.completeExceptionally(ex));
1550	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1551	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1552	>
1553	>	checkCompletedWithWrappedException(h0, ex);
1554	>	checkCompletedWithWrappedException(h1, ex);
1555	>	checkCompletedWithWrappedException(h2, ex);
1556	>	checkCompletedWithWrappedException(h3, ex);
1557	>	checkCompletedExceptionally(f, ex);
1558	>	for (IncFunction r : rs) r.assertNotInvoked();
1559	>	}}
1560
1561	<	checkCompletedWithWrappedCFException(h, ex);
1562	<	checkCompletedWithWrappedCFException(g, ex);
1563	<	assertEquals(r.invocationCount, 0);
1564	<	checkCompletedNormally(f, v1);
1326	<	}
1327	<	}
1328	<
1329	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1561	>	/**
1562	>	* thenApply result completes exceptionally if source cancelled
1563	>	*/
1564	>	public void testThenApply_sourceCancelled() {
1565		for (ExecutionMode m : ExecutionMode.values())
1566	<	for (Integer v1 : new Integer[] { 1, null }) {
1567	<
1566	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1567	>	{
1568		final CompletableFuture<Integer> f = new CompletableFuture<>();
1569	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1570	<	final SubtractAction r = new SubtractAction();
1336	<	final CFException ex = new CFException();
1569	>	final IncFunction[] rs = new IncFunction[4];
1570	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1571
1572	<	g.completeExceptionally(ex);
1573	<	f.complete(v1);
1574	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1572	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1573	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1574	>	assertTrue(f.cancel(mayInterruptIfRunning));
1575	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1576	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1577
1578	<	checkCompletedWithWrappedCFException(h, ex);
1579	<	checkCompletedWithWrappedCFException(g, ex);
1580	<	assertEquals(r.invocationCount, 0);
1581	<	checkCompletedNormally(f, v1);
1582	<	}
1583	<	}
1578	>	checkCompletedWithWrappedCancellationException(h0);
1579	>	checkCompletedWithWrappedCancellationException(h1);
1580	>	checkCompletedWithWrappedCancellationException(h2);
1581	>	checkCompletedWithWrappedCancellationException(h3);
1582	>	checkCancelled(f);
1583	>	for (IncFunction r : rs) r.assertNotInvoked();
1584	>	}}
1585
1586	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1586	>	/**
1587	>	* thenApply result completes exceptionally if action does
1588	>	*/
1589	>	public void testThenApply_actionFailed() {
1590		for (ExecutionMode m : ExecutionMode.values())
1591	<	for (Integer v1 : new Integer[] { 1, null }) {
1592	<
1591	>	for (Integer v1 : new Integer[] { 1, null })
1592	>	{
1593		final CompletableFuture<Integer> f = new CompletableFuture<>();
1594	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1595	<	final SubtractAction r = new SubtractAction();
1356	<	final CFException ex = new CFException();
1594	>	final FailingFunction[] rs = new FailingFunction[4];
1595	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1596
1597	<	f.completeExceptionally(ex);
1598	<	g.complete(v1);
1599	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1600	<
1601	<	checkCompletedWithWrappedCFException(h, ex);
1602	<	checkCompletedWithWrappedCFException(f, ex);
1603	<	assertFalse(r.ran());
1604	<	checkCompletedNormally(g, v1);
1605	<	}
1606	<	}
1597	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1598	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1599	>	assertTrue(f.complete(v1));
1600	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1601	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1602	>
1603	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1604	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1605	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1606	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1607	>	checkCompletedNormally(f, v1);
1608	>	}}
1609
1610		/**
1611	<	* thenAcceptBoth result completes exceptionally if action does
1611	>	* thenAccept result completes normally after normal completion of source
1612		*/
1613	<	public void testThenAcceptBoth_actionFailed1() {
1613	>	public void testThenAccept_normalCompletion() {
1614		for (ExecutionMode m : ExecutionMode.values())
1615		for (Integer v1 : new Integer[] { 1, null })
1616	<	for (Integer v2 : new Integer[] { 2, null }) {
1376	<
1616	>	{
1617		final CompletableFuture<Integer> f = new CompletableFuture<>();
1618	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1619	<	final FailingBiConsumer r = new FailingBiConsumer();
1380	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1618	>	final NoopConsumer[] rs = new NoopConsumer[4];
1619	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1620
1621	<	f.complete(v1);
1622	<	checkIncomplete(h);
1623	<	g.complete(v2);
1624	<
1625	<	checkCompletedWithWrappedCFException(h);
1621	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1622	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1623	>	checkIncomplete(h0);
1624	>	checkIncomplete(h1);
1625	>	assertTrue(f.complete(v1));
1626	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1627	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1628	>
1629	>	checkCompletedNormally(h0, null);
1630	>	checkCompletedNormally(h1, null);
1631	>	checkCompletedNormally(h2, null);
1632	>	checkCompletedNormally(h3, null);
1633		checkCompletedNormally(f, v1);
1634	<	checkCompletedNormally(g, v2);
1635	<	}
1390	<	}
1634	>	for (NoopConsumer r : rs) r.assertValue(v1);
1635	>	}}
1636
1637	<	public void testThenAcceptBoth_actionFailed2() {
1637	>	/**
1638	>	* thenAccept result completes exceptionally after exceptional
1639	>	* completion of source
1640	>	*/
1641	>	public void testThenAccept_exceptionalCompletion() {
1642		for (ExecutionMode m : ExecutionMode.values())
1643	<	for (Integer v1 : new Integer[] { 1, null })
1644	<	for (Integer v2 : new Integer[] { 2, null }) {
1396	<
1643	>	{
1644	>	final CFException ex = new CFException();
1645		final CompletableFuture<Integer> f = new CompletableFuture<>();
1646	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1647	<	final FailingBiConsumer r = new FailingBiConsumer();
1400	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1646	>	final NoopConsumer[] rs = new NoopConsumer[4];
1647	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1648
1649	<	g.complete(v2);
1650	<	checkIncomplete(h);
1651	<	f.complete(v1);
1652	<
1653	<	checkCompletedWithWrappedCFException(h);
1654	<	checkCompletedNormally(f, v1);
1655	<	checkCompletedNormally(g, v2);
1656	<	}
1657	<	}
1649	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1650	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1651	>	assertTrue(f.completeExceptionally(ex));
1652	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1653	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1654	>
1655	>	checkCompletedWithWrappedException(h0, ex);
1656	>	checkCompletedWithWrappedException(h1, ex);
1657	>	checkCompletedWithWrappedException(h2, ex);
1658	>	checkCompletedWithWrappedException(h3, ex);
1659	>	checkCompletedExceptionally(f, ex);
1660	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1661	>	}}
1662
1663		/**
1664	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1664	>	* thenAccept result completes exceptionally if source cancelled
1665		*/
1666	<	public void testThenAcceptBoth_sourceCancelled1() {
1666	>	public void testThenAccept_sourceCancelled() {
1667		for (ExecutionMode m : ExecutionMode.values())
1668		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1669	<	for (Integer v1 : new Integer[] { 1, null }) {
1419	<
1669	>	{
1670		final CompletableFuture<Integer> f = new CompletableFuture<>();
1671	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1672	<	final SubtractAction r = new SubtractAction();
1423	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1671	>	final NoopConsumer[] rs = new NoopConsumer[4];
1672	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1673
1674	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1675	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1676		assertTrue(f.cancel(mayInterruptIfRunning));
1677	<	checkIncomplete(h);
1678	<	g.complete(v1);
1677	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1678	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1679
1680	<	checkCompletedWithWrappedCancellationException(h);
1680	>	checkCompletedWithWrappedCancellationException(h0);
1681	>	checkCompletedWithWrappedCancellationException(h1);
1682	>	checkCompletedWithWrappedCancellationException(h2);
1683	>	checkCompletedWithWrappedCancellationException(h3);
1684		checkCancelled(f);
1685	<	assertEquals(r.invocationCount, 0);
1686	<	checkCompletedNormally(g, v1);
1433	<	}
1434	<	}
1685	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1686	>	}}
1687
1688	<	public void testThenAcceptBoth_sourceCancelled2() {
1688	>	/**
1689	>	* thenAccept result completes exceptionally if action does
1690	>	*/
1691	>	public void testThenAccept_actionFailed() {
1692		for (ExecutionMode m : ExecutionMode.values())
1693	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1694	<	for (Integer v1 : new Integer[] { 1, null }) {
1440	<
1693	>	for (Integer v1 : new Integer[] { 1, null })
1694	>	{
1695		final CompletableFuture<Integer> f = new CompletableFuture<>();
1696	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1697	<	final SubtractAction r = new SubtractAction();
1444	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1696	>	final FailingConsumer[] rs = new FailingConsumer[4];
1697	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1698
1699	<	assertTrue(g.cancel(mayInterruptIfRunning));
1700	<	checkIncomplete(h);
1701	<	f.complete(v1);
1702	<
1703	<	checkCompletedWithWrappedCancellationException(h);
1704	<	checkCancelled(g);
1705	<	assertEquals(r.invocationCount, 0);
1699	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1700	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1701	>	assertTrue(f.complete(v1));
1702	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1703	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1704	>
1705	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1706	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1707	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1708	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1709		checkCompletedNormally(f, v1);
1710	<	}
1455	<	}
1710	>	}}
1711
1712	<	public void testThenAcceptBoth_sourceCancelled3() {
1712	>	/**
1713	>	* thenCombine result completes normally after normal completion
1714	>	* of sources
1715	>	*/
1716	>	public void testThenCombine_normalCompletion() {
1717		for (ExecutionMode m : ExecutionMode.values())
1718	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1719	<	for (Integer v1 : new Integer[] { 1, null }) {
1720	<
1718	>	for (boolean fFirst : new boolean[] { true, false })
1719	>	for (Integer v1 : new Integer[] { 1, null })
1720	>	for (Integer v2 : new Integer[] { 2, null })
1721	>	{
1722		final CompletableFuture<Integer> f = new CompletableFuture<>();
1723		final CompletableFuture<Integer> g = new CompletableFuture<>();
1724	<	final SubtractAction r = new SubtractAction();
1724	>	final SubtractFunction[] rs = new SubtractFunction[6];
1725	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1726
1727	<	assertTrue(g.cancel(mayInterruptIfRunning));
1728	<	f.complete(v1);
1729	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1727	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1728	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1729	>	final Integer w1 =  fFirst ? v1 : v2;
1730	>	final Integer w2 = !fFirst ? v1 : v2;
1731	>
1732	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1733	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1734	>	assertTrue(fst.complete(w1));
1735	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1736	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1737	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1738	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1739	>	checkCompletedNormally(h1, subtract(w1, w1));
1740	>	checkCompletedNormally(h3, subtract(w1, w1));
1741	>	rs[1].assertValue(subtract(w1, w1));
1742	>	rs[3].assertValue(subtract(w1, w1));
1743	>	assertTrue(snd.complete(w2));
1744	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1745	>
1746	>	checkCompletedNormally(h0, subtract(v1, v2));
1747	>	checkCompletedNormally(h2, subtract(v1, v2));
1748	>	checkCompletedNormally(h4, subtract(v1, v2));
1749	>	rs[0].assertValue(subtract(v1, v2));
1750	>	rs[2].assertValue(subtract(v1, v2));
1751	>	rs[4].assertValue(subtract(v1, v2));
1752
1470	–	checkCompletedWithWrappedCancellationException(h);
1471	–	checkCancelled(g);
1472	–	assertEquals(r.invocationCount, 0);
1753		checkCompletedNormally(f, v1);
1754	<	}
1755	<	}
1476	<
1477	<	public void testThenAcceptBoth_sourceCancelled4() {
1478	<	for (ExecutionMode m : ExecutionMode.values())
1479	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1480	<	for (Integer v1 : new Integer[] { 1, null }) {
1481	<
1482	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1483	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1484	<	final SubtractAction r = new SubtractAction();
1485	<
1486	<	assertTrue(f.cancel(mayInterruptIfRunning));
1487	<	g.complete(v1);
1488	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1489	<
1490	<	checkCompletedWithWrappedCancellationException(h);
1491	<	checkCancelled(f);
1492	<	assertEquals(r.invocationCount, 0);
1493	<	checkCompletedNormally(g, v1);
1494	<	}
1495	<	}
1754	>	checkCompletedNormally(g, v2);
1755	>	}}
1756
1757		/**
1758	<	* runAfterBoth result completes normally after normal
1759	<	* completion of sources
1758	>	* thenCombine result completes exceptionally after exceptional
1759	>	* completion of either source
1760		*/
1761	<	public void testRunAfterBoth_normalCompletion1() {
1761	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1762		for (ExecutionMode m : ExecutionMode.values())
1763	+	for (boolean fFirst : new boolean[] { true, false })
1764	+	for (boolean failFirst : new boolean[] { true, false })
1765		for (Integer v1 : new Integer[] { 1, null })
1766	<	for (Integer v2 : new Integer[] { 2, null }) {
1505	<
1766	>	{
1767		final CompletableFuture<Integer> f = new CompletableFuture<>();
1768		final CompletableFuture<Integer> g = new CompletableFuture<>();
1769	<	final Noop r = new Noop();
1770	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1771	<
1772	<	f.complete(v1);
1773	<	checkIncomplete(h);
1774	<	assertFalse(r.ran);
1775	<	g.complete(v2);
1776	<
1777	<	checkCompletedNormally(h, null);
1778	<	assertEquals(r.invocationCount, 1);
1779	<	checkCompletedNormally(f, v1);
1780	<	checkCompletedNormally(g, v2);
1781	<	}
1782	<	}
1769	>	final CFException ex = new CFException();
1770	>	final SubtractFunction r1 = new SubtractFunction(m);
1771	>	final SubtractFunction r2 = new SubtractFunction(m);
1772	>	final SubtractFunction r3 = new SubtractFunction(m);
1773	>
1774	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1775	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1776	>	final Callable<Boolean> complete1 = failFirst ?
1777	>	() -> fst.completeExceptionally(ex) :
1778	>	() -> fst.complete(v1);
1779	>	final Callable<Boolean> complete2 = failFirst ?
1780	>	() -> snd.complete(v1) :
1781	>	() -> snd.completeExceptionally(ex);
1782	>
1783	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1784	>	assertTrue(complete1.call());
1785	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1786	>	checkIncomplete(h1);
1787	>	checkIncomplete(h2);
1788	>	assertTrue(complete2.call());
1789	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1790	>
1791	>	checkCompletedWithWrappedException(h1, ex);
1792	>	checkCompletedWithWrappedException(h2, ex);
1793	>	checkCompletedWithWrappedException(h3, ex);
1794	>	r1.assertNotInvoked();
1795	>	r2.assertNotInvoked();
1796	>	r3.assertNotInvoked();
1797	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1798	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1799	>	}}
1800
1801	<	public void testRunAfterBoth_normalCompletion2() {
1801	>	/**
1802	>	* thenCombine result completes exceptionally if either source cancelled
1803	>	*/
1804	>	public void testThenCombine_sourceCancelled() throws Throwable {
1805		for (ExecutionMode m : ExecutionMode.values())
1806	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1807	+	for (boolean fFirst : new boolean[] { true, false })
1808	+	for (boolean failFirst : new boolean[] { true, false })
1809		for (Integer v1 : new Integer[] { 1, null })
1810	<	for (Integer v2 : new Integer[] { 2, null }) {
1527	<
1810	>	{
1811		final CompletableFuture<Integer> f = new CompletableFuture<>();
1812		final CompletableFuture<Integer> g = new CompletableFuture<>();
1813	<	final Noop r = new Noop();
1814	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1813	>	final SubtractFunction r1 = new SubtractFunction(m);
1814	>	final SubtractFunction r2 = new SubtractFunction(m);
1815	>	final SubtractFunction r3 = new SubtractFunction(m);
1816	>
1817	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1818	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1819	>	final Callable<Boolean> complete1 = failFirst ?
1820	>	() -> fst.cancel(mayInterruptIfRunning) :
1821	>	() -> fst.complete(v1);
1822	>	final Callable<Boolean> complete2 = failFirst ?
1823	>	() -> snd.complete(v1) :
1824	>	() -> snd.cancel(mayInterruptIfRunning);
1825	>
1826	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1827	>	assertTrue(complete1.call());
1828	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1829	>	checkIncomplete(h1);
1830	>	checkIncomplete(h2);
1831	>	assertTrue(complete2.call());
1832	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1833	>
1834	>	checkCompletedWithWrappedCancellationException(h1);
1835	>	checkCompletedWithWrappedCancellationException(h2);
1836	>	checkCompletedWithWrappedCancellationException(h3);
1837	>	r1.assertNotInvoked();
1838	>	r2.assertNotInvoked();
1839	>	r3.assertNotInvoked();
1840	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1841	>	checkCancelled(failFirst ? fst : snd);
1842	>	}}
1843
1844	<	g.complete(v2);
1845	<	checkIncomplete(h);
1846	<	assertFalse(r.ran);
1847	<	f.complete(v1);
1537	<
1538	<	checkCompletedNormally(h, null);
1539	<	assertEquals(r.invocationCount, 1);
1540	<	checkCompletedNormally(f, v1);
1541	<	checkCompletedNormally(g, v2);
1542	<	}
1543	<	}
1544	<
1545	<	public void testRunAfterBoth_normalCompletion3() {
1844	>	/**
1845	>	* thenCombine result completes exceptionally if action does
1846	>	*/
1847	>	public void testThenCombine_actionFailed() {
1848		for (ExecutionMode m : ExecutionMode.values())
1849	+	for (boolean fFirst : new boolean[] { true, false })
1850		for (Integer v1 : new Integer[] { 1, null })
1851	<	for (Integer v2 : new Integer[] { 2, null }) {
1852	<
1851	>	for (Integer v2 : new Integer[] { 2, null })
1852	>	{
1853		final CompletableFuture<Integer> f = new CompletableFuture<>();
1854		final CompletableFuture<Integer> g = new CompletableFuture<>();
1855	<	final Noop r = new Noop();
1856	<
1857	<	g.complete(v2);
1858	<	f.complete(v1);
1859	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1860	<
1861	<	checkCompletedNormally(h, null);
1862	<	assertTrue(r.ran);
1855	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1856	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1857	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1858	>
1859	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1860	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1861	>	final Integer w1 =  fFirst ? v1 : v2;
1862	>	final Integer w2 = !fFirst ? v1 : v2;
1863	>
1864	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1865	>	assertTrue(fst.complete(w1));
1866	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1867	>	assertTrue(snd.complete(w2));
1868	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1869	>
1870	>	checkCompletedWithWrappedException(h1, r1.ex);
1871	>	checkCompletedWithWrappedException(h2, r2.ex);
1872	>	checkCompletedWithWrappedException(h3, r3.ex);
1873	>	r1.assertInvoked();
1874	>	r2.assertInvoked();
1875	>	r3.assertInvoked();
1876		checkCompletedNormally(f, v1);
1877		checkCompletedNormally(g, v2);
1878	<	}
1563	<	}
1878	>	}}
1879
1880	<	public void testRunAfterBoth_normalCompletion4() {
1880	>	/**
1881	>	* thenAcceptBoth result completes normally after normal
1882	>	* completion of sources
1883	>	*/
1884	>	public void testThenAcceptBoth_normalCompletion() {
1885		for (ExecutionMode m : ExecutionMode.values())
1886	+	for (boolean fFirst : new boolean[] { true, false })
1887		for (Integer v1 : new Integer[] { 1, null })
1888	<	for (Integer v2 : new Integer[] { 2, null }) {
1889	<
1888	>	for (Integer v2 : new Integer[] { 2, null })
1889	>	{
1890		final CompletableFuture<Integer> f = new CompletableFuture<>();
1891		final CompletableFuture<Integer> g = new CompletableFuture<>();
1892	<	final Noop r = new Noop();
1893	<
1894	<	f.complete(v1);
1895	<	g.complete(v2);
1896	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1897	<
1898	<	checkCompletedNormally(h, null);
1899	<	assertEquals(r.invocationCount, 1);
1892	>	final SubtractAction r1 = new SubtractAction(m);
1893	>	final SubtractAction r2 = new SubtractAction(m);
1894	>	final SubtractAction r3 = new SubtractAction(m);
1895	>
1896	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1897	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1898	>	final Integer w1 =  fFirst ? v1 : v2;
1899	>	final Integer w2 = !fFirst ? v1 : v2;
1900	>
1901	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1902	>	assertTrue(fst.complete(w1));
1903	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1904	>	checkIncomplete(h1);
1905	>	checkIncomplete(h2);
1906	>	r1.assertNotInvoked();
1907	>	r2.assertNotInvoked();
1908	>	assertTrue(snd.complete(w2));
1909	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1910	>
1911	>	checkCompletedNormally(h1, null);
1912	>	checkCompletedNormally(h2, null);
1913	>	checkCompletedNormally(h3, null);
1914	>	r1.assertValue(subtract(v1, v2));
1915	>	r2.assertValue(subtract(v1, v2));
1916	>	r3.assertValue(subtract(v1, v2));
1917		checkCompletedNormally(f, v1);
1918		checkCompletedNormally(g, v2);
1919	<	}
1583	<	}
1919	>	}}
1920
1921		/**
1922	<	* runAfterBoth result completes exceptionally after exceptional
1922	>	* thenAcceptBoth result completes exceptionally after exceptional
1923		* completion of either source
1924		*/
1925	<	public void testRunAfterBoth_exceptionalCompletion1() {
1925	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1926		for (ExecutionMode m : ExecutionMode.values())
1927	<	for (Integer v1 : new Integer[] { 1, null }) {
1928	<
1929	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1930	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1595	<	final Noop r = new Noop();
1596	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1597	<	final CFException ex = new CFException();
1598	<
1599	<	f.completeExceptionally(ex);
1600	<	checkIncomplete(h);
1601	<	g.complete(v1);
1602	<
1603	<	checkCompletedWithWrappedCFException(h, ex);
1604	<	checkCompletedWithWrappedCFException(f, ex);
1605	<	assertEquals(r.invocationCount, 0);
1606	<	checkCompletedNormally(g, v1);
1607	<	}
1608	<	}
1609	<
1610	<	public void testRunAfterBoth_exceptionalCompletion2() {
1611	<	for (ExecutionMode m : ExecutionMode.values())
1612	<	for (Integer v1 : new Integer[] { 1, null }) {
1613	<
1614	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1615	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1616	<	final Noop r = new Noop();
1617	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1618	<	final CFException ex = new CFException();
1619	<
1620	<	g.completeExceptionally(ex);
1621	<	checkIncomplete(h);
1622	<	f.complete(v1);
1623	<
1624	<	checkCompletedWithWrappedCFException(h, ex);
1625	<	checkCompletedWithWrappedCFException(g, ex);
1626	<	assertEquals(r.invocationCount, 0);
1627	<	checkCompletedNormally(f, v1);
1628	<	}
1629	<	}
1630	<
1631	<	public void testRunAfterBoth_exceptionalCompletion3() {
1632	<	for (ExecutionMode m : ExecutionMode.values())
1633	<	for (Integer v1 : new Integer[] { 1, null }) {
1634	<
1927	>	for (boolean fFirst : new boolean[] { true, false })
1928	>	for (boolean failFirst : new boolean[] { true, false })
1929	>	for (Integer v1 : new Integer[] { 1, null })
1930	>	{
1931		final CompletableFuture<Integer> f = new CompletableFuture<>();
1932		final CompletableFuture<Integer> g = new CompletableFuture<>();
1637	–	final Noop r = new Noop();
1933		final CFException ex = new CFException();
1934	+	final SubtractAction r1 = new SubtractAction(m);
1935	+	final SubtractAction r2 = new SubtractAction(m);
1936	+	final SubtractAction r3 = new SubtractAction(m);
1937	+
1938	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1939	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1940	+	final Callable<Boolean> complete1 = failFirst ?
1941	+	() -> fst.completeExceptionally(ex) :
1942	+	() -> fst.complete(v1);
1943	+	final Callable<Boolean> complete2 = failFirst ?
1944	+	() -> snd.complete(v1) :
1945	+	() -> snd.completeExceptionally(ex);
1946	+
1947	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1948	+	assertTrue(complete1.call());
1949	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1950	+	checkIncomplete(h1);
1951	+	checkIncomplete(h2);
1952	+	assertTrue(complete2.call());
1953	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1954	+
1955	+	checkCompletedWithWrappedException(h1, ex);
1956	+	checkCompletedWithWrappedException(h2, ex);
1957	+	checkCompletedWithWrappedException(h3, ex);
1958	+	r1.assertNotInvoked();
1959	+	r2.assertNotInvoked();
1960	+	r3.assertNotInvoked();
1961	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1962	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1963	+	}}
1964
1965	<	g.completeExceptionally(ex);
1966	<	f.complete(v1);
1967	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1968	<
1644	<	checkCompletedWithWrappedCFException(h, ex);
1645	<	checkCompletedWithWrappedCFException(g, ex);
1646	<	assertEquals(r.invocationCount, 0);
1647	<	checkCompletedNormally(f, v1);
1648	<	}
1649	<	}
1650	<
1651	<	public void testRunAfterBoth_exceptionalCompletion4() {
1965	>	/**
1966	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1967	>	*/
1968	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1969		for (ExecutionMode m : ExecutionMode.values())
1970	<	for (Integer v1 : new Integer[] { 1, null }) {
1971	<
1970	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1971	>	for (boolean fFirst : new boolean[] { true, false })
1972	>	for (boolean failFirst : new boolean[] { true, false })
1973	>	for (Integer v1 : new Integer[] { 1, null })
1974	>	{
1975		final CompletableFuture<Integer> f = new CompletableFuture<>();
1976		final CompletableFuture<Integer> g = new CompletableFuture<>();
1977	<	final Noop r = new Noop();
1978	<	final CFException ex = new CFException();
1979	<
1980	<	f.completeExceptionally(ex);
1981	<	g.complete(v1);
1982	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1983	<
1984	<	checkCompletedWithWrappedCFException(h, ex);
1985	<	checkCompletedWithWrappedCFException(f, ex);
1986	<	assertEquals(r.invocationCount, 0);
1987	<	checkCompletedNormally(g, v1);
1988	<	}
1989	<	}
1977	>	final SubtractAction r1 = new SubtractAction(m);
1978	>	final SubtractAction r2 = new SubtractAction(m);
1979	>	final SubtractAction r3 = new SubtractAction(m);
1980	>
1981	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1982	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1983	>	final Callable<Boolean> complete1 = failFirst ?
1984	>	() -> fst.cancel(mayInterruptIfRunning) :
1985	>	() -> fst.complete(v1);
1986	>	final Callable<Boolean> complete2 = failFirst ?
1987	>	() -> snd.complete(v1) :
1988	>	() -> snd.cancel(mayInterruptIfRunning);
1989	>
1990	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1991	>	assertTrue(complete1.call());
1992	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1993	>	checkIncomplete(h1);
1994	>	checkIncomplete(h2);
1995	>	assertTrue(complete2.call());
1996	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1997	>
1998	>	checkCompletedWithWrappedCancellationException(h1);
1999	>	checkCompletedWithWrappedCancellationException(h2);
2000	>	checkCompletedWithWrappedCancellationException(h3);
2001	>	r1.assertNotInvoked();
2002	>	r2.assertNotInvoked();
2003	>	r3.assertNotInvoked();
2004	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2005	>	checkCancelled(failFirst ? fst : snd);
2006	>	}}
2007
2008		/**
2009	<	* runAfterBoth result completes exceptionally if action does
2009	>	* thenAcceptBoth result completes exceptionally if action does
2010		*/
2011	<	public void testRunAfterBoth_actionFailed1() {
2011	>	public void testThenAcceptBoth_actionFailed() {
2012		for (ExecutionMode m : ExecutionMode.values())
2013	+	for (boolean fFirst : new boolean[] { true, false })
2014		for (Integer v1 : new Integer[] { 1, null })
2015	<	for (Integer v2 : new Integer[] { 2, null }) {
2016	<
2015	>	for (Integer v2 : new Integer[] { 2, null })
2016	>	{
2017		final CompletableFuture<Integer> f = new CompletableFuture<>();
2018		final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	<	final FailingNoop r = new FailingNoop();
2020	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2021	<
2022	<	f.complete(v1);
2023	<	checkIncomplete(h);
2024	<	g.complete(v2);
2025	<
2026	<	checkCompletedWithWrappedCFException(h);
2019	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2020	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2021	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2022	>
2023	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2024	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2025	>	final Integer w1 =  fFirst ? v1 : v2;
2026	>	final Integer w2 = !fFirst ? v1 : v2;
2027	>
2028	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2029	>	assertTrue(fst.complete(w1));
2030	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2031	>	assertTrue(snd.complete(w2));
2032	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2033	>
2034	>	checkCompletedWithWrappedException(h1, r1.ex);
2035	>	checkCompletedWithWrappedException(h2, r2.ex);
2036	>	checkCompletedWithWrappedException(h3, r3.ex);
2037	>	r1.assertInvoked();
2038	>	r2.assertInvoked();
2039	>	r3.assertInvoked();
2040		checkCompletedNormally(f, v1);
2041		checkCompletedNormally(g, v2);
2042	<	}
1692	<	}
2042	>	}}
2043
2044	<	public void testRunAfterBoth_actionFailed2() {
2044	>	/**
2045	>	* runAfterBoth result completes normally after normal
2046	>	* completion of sources
2047	>	*/
2048	>	public void testRunAfterBoth_normalCompletion() {
2049		for (ExecutionMode m : ExecutionMode.values())
2050	+	for (boolean fFirst : new boolean[] { true, false })
2051		for (Integer v1 : new Integer[] { 1, null })
2052	<	for (Integer v2 : new Integer[] { 2, null }) {
2053	<
2052	>	for (Integer v2 : new Integer[] { 2, null })
2053	>	{
2054		final CompletableFuture<Integer> f = new CompletableFuture<>();
2055		final CompletableFuture<Integer> g = new CompletableFuture<>();
2056	<	final FailingNoop r = new FailingNoop();
2057	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2058	<
2059	<	g.complete(v2);
2060	<	checkIncomplete(h);
2061	<	f.complete(v1);
2062	<
2063	<	checkCompletedWithWrappedCFException(h);
2056	>	final Noop r1 = new Noop(m);
2057	>	final Noop r2 = new Noop(m);
2058	>	final Noop r3 = new Noop(m);
2059	>
2060	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2061	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2062	>	final Integer w1 =  fFirst ? v1 : v2;
2063	>	final Integer w2 = !fFirst ? v1 : v2;
2064	>
2065	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2066	>	assertTrue(fst.complete(w1));
2067	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2068	>	checkIncomplete(h1);
2069	>	checkIncomplete(h2);
2070	>	r1.assertNotInvoked();
2071	>	r2.assertNotInvoked();
2072	>	assertTrue(snd.complete(w2));
2073	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2074	>
2075	>	checkCompletedNormally(h1, null);
2076	>	checkCompletedNormally(h2, null);
2077	>	checkCompletedNormally(h3, null);
2078	>	r1.assertInvoked();
2079	>	r2.assertInvoked();
2080	>	r3.assertInvoked();
2081		checkCompletedNormally(f, v1);
2082		checkCompletedNormally(g, v2);
2083	<	}
1712	<	}
2083	>	}}
2084
2085		/**
2086	<	* runAfterBoth result completes exceptionally if either source cancelled
2086	>	* runAfterBoth result completes exceptionally after exceptional
2087	>	* completion of either source
2088		*/
2089	<	public void testRunAfterBoth_sourceCancelled1() {
2089	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2090		for (ExecutionMode m : ExecutionMode.values())
2091	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2092	<	for (Integer v1 : new Integer[] { 1, null }) {
2093	<
2091	>	for (boolean fFirst : new boolean[] { true, false })
2092	>	for (boolean failFirst : new boolean[] { true, false })
2093	>	for (Integer v1 : new Integer[] { 1, null })
2094	>	{
2095		final CompletableFuture<Integer> f = new CompletableFuture<>();
2096		final CompletableFuture<Integer> g = new CompletableFuture<>();
2097	<	final Noop r = new Noop();
2098	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2099	<
2100	<	assertTrue(f.cancel(mayInterruptIfRunning));
2101	<	checkIncomplete(h);
2102	<	g.complete(v1);
2103	<
2104	<	checkCompletedWithWrappedCancellationException(h);
2105	<	checkCancelled(f);
2106	<	assertEquals(r.invocationCount, 0);
2107	<	checkCompletedNormally(g, v1);
2108	<	}
2109	<	}
2097	>	final CFException ex = new CFException();
2098	>	final Noop r1 = new Noop(m);
2099	>	final Noop r2 = new Noop(m);
2100	>	final Noop r3 = new Noop(m);
2101	>
2102	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2103	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2104	>	final Callable<Boolean> complete1 = failFirst ?
2105	>	() -> fst.completeExceptionally(ex) :
2106	>	() -> fst.complete(v1);
2107	>	final Callable<Boolean> complete2 = failFirst ?
2108	>	() -> snd.complete(v1) :
2109	>	() -> snd.completeExceptionally(ex);
2110	>
2111	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2112	>	assertTrue(complete1.call());
2113	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2114	>	checkIncomplete(h1);
2115	>	checkIncomplete(h2);
2116	>	assertTrue(complete2.call());
2117	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2118	>
2119	>	checkCompletedWithWrappedException(h1, ex);
2120	>	checkCompletedWithWrappedException(h2, ex);
2121	>	checkCompletedWithWrappedException(h3, ex);
2122	>	r1.assertNotInvoked();
2123	>	r2.assertNotInvoked();
2124	>	r3.assertNotInvoked();
2125	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2126	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2127	>	}}
2128
2129	<	public void testRunAfterBoth_sourceCancelled2() {
2129	>	/**
2130	>	* runAfterBoth result completes exceptionally if either source cancelled
2131	>	*/
2132	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2133		for (ExecutionMode m : ExecutionMode.values())
2134		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2135	<	for (Integer v1 : new Integer[] { 1, null }) {
2136	<
2135	>	for (boolean fFirst : new boolean[] { true, false })
2136	>	for (boolean failFirst : new boolean[] { true, false })
2137	>	for (Integer v1 : new Integer[] { 1, null })
2138	>	{
2139		final CompletableFuture<Integer> f = new CompletableFuture<>();
2140		final CompletableFuture<Integer> g = new CompletableFuture<>();
2141	<	final Noop r = new Noop();
2142	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2141	>	final Noop r1 = new Noop(m);
2142	>	final Noop r2 = new Noop(m);
2143	>	final Noop r3 = new Noop(m);
2144	>
2145	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2146	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2147	>	final Callable<Boolean> complete1 = failFirst ?
2148	>	() -> fst.cancel(mayInterruptIfRunning) :
2149	>	() -> fst.complete(v1);
2150	>	final Callable<Boolean> complete2 = failFirst ?
2151	>	() -> snd.complete(v1) :
2152	>	() -> snd.cancel(mayInterruptIfRunning);
2153	>
2154	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2155	>	assertTrue(complete1.call());
2156	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2157	>	checkIncomplete(h1);
2158	>	checkIncomplete(h2);
2159	>	assertTrue(complete2.call());
2160	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2161	>
2162	>	checkCompletedWithWrappedCancellationException(h1);
2163	>	checkCompletedWithWrappedCancellationException(h2);
2164	>	checkCompletedWithWrappedCancellationException(h3);
2165	>	r1.assertNotInvoked();
2166	>	r2.assertNotInvoked();
2167	>	r3.assertNotInvoked();
2168	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2169	>	checkCancelled(failFirst ? fst : snd);
2170	>	}}
2171
2172	<	assertTrue(g.cancel(mayInterruptIfRunning));
2173	<	checkIncomplete(h);
2174	<	f.complete(v1);
2175	<
1752	<	checkCompletedWithWrappedCancellationException(h);
1753	<	checkCancelled(g);
1754	<	assertEquals(r.invocationCount, 0);
1755	<	checkCompletedNormally(f, v1);
1756	<	}
1757	<	}
1758	<
1759	<	public void testRunAfterBoth_sourceCancelled3() {
2172	>	/**
2173	>	* runAfterBoth result completes exceptionally if action does
2174	>	*/
2175	>	public void testRunAfterBoth_actionFailed() {
2176		for (ExecutionMode m : ExecutionMode.values())
2177	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2178	<	for (Integer v1 : new Integer[] { 1, null }) {
2179	<
2177	>	for (boolean fFirst : new boolean[] { true, false })
2178	>	for (Integer v1 : new Integer[] { 1, null })
2179	>	for (Integer v2 : new Integer[] { 2, null })
2180	>	{
2181		final CompletableFuture<Integer> f = new CompletableFuture<>();
2182		final CompletableFuture<Integer> g = new CompletableFuture<>();
2183	<	final Noop r = new Noop();
2184	<
2185	<	assertTrue(g.cancel(mayInterruptIfRunning));
2186	<	f.complete(v1);
2187	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2188	<
2189	<	checkCompletedWithWrappedCancellationException(h);
2190	<	checkCancelled(g);
2191	<	assertEquals(r.invocationCount, 0);
2183	>	final FailingRunnable r1 = new FailingRunnable(m);
2184	>	final FailingRunnable r2 = new FailingRunnable(m);
2185	>	final FailingRunnable r3 = new FailingRunnable(m);
2186	>
2187	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2188	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2189	>	final Integer w1 =  fFirst ? v1 : v2;
2190	>	final Integer w2 = !fFirst ? v1 : v2;
2191	>
2192	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2193	>	assertTrue(fst.complete(w1));
2194	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2195	>	assertTrue(snd.complete(w2));
2196	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2197	>
2198	>	checkCompletedWithWrappedException(h1, r1.ex);
2199	>	checkCompletedWithWrappedException(h2, r2.ex);
2200	>	checkCompletedWithWrappedException(h3, r3.ex);
2201	>	r1.assertInvoked();
2202	>	r2.assertInvoked();
2203	>	r3.assertInvoked();
2204		checkCompletedNormally(f, v1);
2205	<	}
2206	<	}
1778	<
1779	<	public void testRunAfterBoth_sourceCancelled4() {
1780	<	for (ExecutionMode m : ExecutionMode.values())
1781	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1782	<	for (Integer v1 : new Integer[] { 1, null }) {
1783	<
1784	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1785	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1786	<	final Noop r = new Noop();
1787	<
1788	<	assertTrue(f.cancel(mayInterruptIfRunning));
1789	<	g.complete(v1);
1790	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1791	<
1792	<	checkCompletedWithWrappedCancellationException(h);
1793	<	checkCancelled(f);
1794	<	assertEquals(r.invocationCount, 0);
1795	<	checkCompletedNormally(g, v1);
1796	<	}
1797	<	}
2205	>	checkCompletedNormally(g, v2);
2206	>	}}
2207
2208		/**
2209		* applyToEither result completes normally after normal completion
2210		* of either source
2211		*/
2212	<	public void testApplyToEither_normalCompletion1() {
2212	>	public void testApplyToEither_normalCompletion() {
2213		for (ExecutionMode m : ExecutionMode.values())
2214		for (Integer v1 : new Integer[] { 1, null })
2215	<	for (Integer v2 : new Integer[] { 2, null }) {
2216	<
2215	>	for (Integer v2 : new Integer[] { 2, null })
2216	>	{
2217		final CompletableFuture<Integer> f = new CompletableFuture<>();
2218		final CompletableFuture<Integer> g = new CompletableFuture<>();
2219	<	final IncFunction r = new IncFunction();
2220	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2219	>	final IncFunction[] rs = new IncFunction[6];
2220	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2221
2222	<	f.complete(v1);
2223	<	checkCompletedNormally(h, inc(v1));
2222	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2223	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2224	>	checkIncomplete(h0);
2225	>	checkIncomplete(h1);
2226	>	rs[0].assertNotInvoked();
2227	>	rs[1].assertNotInvoked();
2228	>	f.complete(v1);
2229	>	checkCompletedNormally(h0, inc(v1));
2230	>	checkCompletedNormally(h1, inc(v1));
2231	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2232	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2233	>	checkCompletedNormally(h2, inc(v1));
2234	>	checkCompletedNormally(h3, inc(v1));
2235		g.complete(v2);
2236
2237	<	checkCompletedNormally(f, v1);
2238	<	checkCompletedNormally(g, v2);
2239	<	checkCompletedNormally(h, inc(v1));
2240	<	}
2241	<	}
2242	<
2243	<	public void testApplyToEither_normalCompletion2() {
2244	<	for (ExecutionMode m : ExecutionMode.values())
2245	<	for (Integer v1 : new Integer[] { 1, null })
1826	<	for (Integer v2 : new Integer[] { 2, null }) {
1827	<
1828	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1829	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1830	<	final IncFunction r = new IncFunction();
1831	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1832	<
1833	<	g.complete(v2);
1834	<	checkCompletedNormally(h, inc(v2));
1835	<	f.complete(v1);
2237	>	// unspecified behavior - both source completions available
2238	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2239	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2240	>	rs[4].assertValue(h4.join());
2241	>	rs[5].assertValue(h5.join());
2242	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2243	>	Objects.equals(inc(v2), h4.join()));
2244	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2245	>	Objects.equals(inc(v2), h5.join()));
2246
2247		checkCompletedNormally(f, v1);
2248		checkCompletedNormally(g, v2);
2249	<	checkCompletedNormally(h, inc(v2));
2250	<	}
2251	<	}
2252	<	public void testApplyToEither_normalCompletion3() {
2253	<	for (ExecutionMode m : ExecutionMode.values())
2254	<	for (Integer v1 : new Integer[] { 1, null })
1845	<	for (Integer v2 : new Integer[] { 2, null }) {
1846	<
1847	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1848	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1849	<	final IncFunction r = new IncFunction();
1850	<
1851	<	f.complete(v1);
1852	<	g.complete(v2);
1853	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1854	<
1855	<	checkCompletedNormally(f, v1);
1856	<	checkCompletedNormally(g, v2);
1857	<
1858	<	// unspecified behavior
1859	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
1860	<	Objects.equals(h.join(), inc(v2)));
1861	<	assertEquals(r.invocationCount, 1);
1862	<	}
1863	<	}
2249	>	checkCompletedNormally(h0, inc(v1));
2250	>	checkCompletedNormally(h1, inc(v1));
2251	>	checkCompletedNormally(h2, inc(v1));
2252	>	checkCompletedNormally(h3, inc(v1));
2253	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2254	>	}}
2255
2256		/**
2257		* applyToEither result completes exceptionally after exceptional
2258		* completion of either source
2259		*/
2260	<	public void testApplyToEither_exceptionalCompletion1() {
2260	>	public void testApplyToEither_exceptionalCompletion() {
2261		for (ExecutionMode m : ExecutionMode.values())
2262	<	for (Integer v1 : new Integer[] { 1, null }) {
2263	<
2262	>	for (Integer v1 : new Integer[] { 1, null })
2263	>	{
2264		final CompletableFuture<Integer> f = new CompletableFuture<>();
2265		final CompletableFuture<Integer> g = new CompletableFuture<>();
1875	–	final IncFunction r = new IncFunction();
1876	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2266		final CFException ex = new CFException();
2267	+	final IncFunction[] rs = new IncFunction[6];
2268	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2269
2270	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2271	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2272	+	checkIncomplete(h0);
2273	+	checkIncomplete(h1);
2274	+	rs[0].assertNotInvoked();
2275	+	rs[1].assertNotInvoked();
2276		f.completeExceptionally(ex);
2277	<	checkCompletedWithWrappedCFException(h, ex);
2277	>	checkCompletedWithWrappedException(h0, ex);
2278	>	checkCompletedWithWrappedException(h1, ex);
2279	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2280	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2281	>	checkCompletedWithWrappedException(h2, ex);
2282	>	checkCompletedWithWrappedException(h3, ex);
2283		g.complete(v1);
2284
2285	<	assertEquals(r.invocationCount, 0);
2286	<	checkCompletedNormally(g, v1);
2287	<	checkCompletedWithWrappedCFException(f, ex);
2288	<	checkCompletedWithWrappedCFException(h, ex);
2289	<	}
2290	<	}
2291	<
2292	<	public void testApplyToEither_exceptionalCompletion2() {
2293	<	for (ExecutionMode m : ExecutionMode.values())
1892	<	for (Integer v1 : new Integer[] { 1, null }) {
1893	<
1894	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1895	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1896	<	final IncFunction r = new IncFunction();
1897	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1898	<	final CFException ex = new CFException();
1899	<
1900	<	g.completeExceptionally(ex);
1901	<	checkCompletedWithWrappedCFException(h, ex);
1902	<	f.complete(v1);
1903	<
1904	<	assertEquals(r.invocationCount, 0);
1905	<	checkCompletedNormally(f, v1);
1906	<	checkCompletedWithWrappedCFException(g, ex);
1907	<	checkCompletedWithWrappedCFException(h, ex);
2285	>	// unspecified behavior - both source completions available
2286	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2287	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2288	>	try {
2289	>	assertEquals(inc(v1), h4.join());
2290	>	rs[4].assertValue(inc(v1));
2291	>	} catch (CompletionException ok) {
2292	>	checkCompletedWithWrappedException(h4, ex);
2293	>	rs[4].assertNotInvoked();
2294		}
1909	–	}
1910	–
1911	–	public void testApplyToEither_exceptionalCompletion3() {
1912	–	for (ExecutionMode m : ExecutionMode.values())
1913	–	for (Integer v1 : new Integer[] { 1, null }) {
1914	–
1915	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1916	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1917	–	final IncFunction r = new IncFunction();
1918	–	final CFException ex = new CFException();
1919	–
1920	–	g.completeExceptionally(ex);
1921	–	f.complete(v1);
1922	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1923	–
1924	–	// unspecified behavior
1925	–	Integer v;
2295		try {
2296	<	assertEquals(h.join(), inc(v1));
2297	<	assertEquals(r.invocationCount, 1);
2296	>	assertEquals(inc(v1), h5.join());
2297	>	rs[5].assertValue(inc(v1));
2298		} catch (CompletionException ok) {
2299	<	checkCompletedWithWrappedCFException(h, ex);
2300	<	assertEquals(r.invocationCount, 0);
2299	>	checkCompletedWithWrappedException(h5, ex);
2300	>	rs[5].assertNotInvoked();
2301		}
2302
2303	<	checkCompletedWithWrappedCFException(g, ex);
2304	<	checkCompletedNormally(f, v1);
2305	<	}
2306	<	}
2303	>	checkCompletedExceptionally(f, ex);
2304	>	checkCompletedNormally(g, v1);
2305	>	checkCompletedWithWrappedException(h0, ex);
2306	>	checkCompletedWithWrappedException(h1, ex);
2307	>	checkCompletedWithWrappedException(h2, ex);
2308	>	checkCompletedWithWrappedException(h3, ex);
2309	>	checkCompletedWithWrappedException(h4, ex);
2310	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2311	>	}}
2312
2313	<	public void testApplyToEither_exceptionalCompletion4() {
2313	>	public void testApplyToEither_exceptionalCompletion2() {
2314		for (ExecutionMode m : ExecutionMode.values())
2315	<	for (Integer v1 : new Integer[] { 1, null }) {
2316	<
2315	>	for (boolean fFirst : new boolean[] { true, false })
2316	>	for (Integer v1 : new Integer[] { 1, null })
2317	>	{
2318		final CompletableFuture<Integer> f = new CompletableFuture<>();
2319		final CompletableFuture<Integer> g = new CompletableFuture<>();
1945	–	final IncFunction r = new IncFunction();
2320		final CFException ex = new CFException();
2321	+	final IncFunction[] rs = new IncFunction[6];
2322	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2323
2324	<	f.completeExceptionally(ex);
2325	<	g.complete(v1);
2326	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2324	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2325	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2326	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2327	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2328	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2329	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2330
2331	<	// unspecified behavior
1953	<	Integer v;
2331	>	// unspecified behavior - both source completions available
2332		try {
2333	<	assertEquals(h.join(), inc(v1));
2334	<	assertEquals(r.invocationCount, 1);
2333	>	assertEquals(inc(v1), h0.join());
2334	>	rs[0].assertValue(inc(v1));
2335		} catch (CompletionException ok) {
2336	<	checkCompletedWithWrappedCFException(h, ex);
2337	<	assertEquals(r.invocationCount, 0);
2336	>	checkCompletedWithWrappedException(h0, ex);
2337	>	rs[0].assertNotInvoked();
2338		}
2339	<
2340	<	checkCompletedWithWrappedCFException(f, ex);
2341	<	checkCompletedNormally(g, v1);
2339	>	try {
2340	>	assertEquals(inc(v1), h1.join());
2341	>	rs[1].assertValue(inc(v1));
2342	>	} catch (CompletionException ok) {
2343	>	checkCompletedWithWrappedException(h1, ex);
2344	>	rs[1].assertNotInvoked();
2345		}
2346	<	}
2347	<
2348	<	/**
2349	<	* applyToEither result completes exceptionally if action does
2350	<	*/
2351	<	public void testApplyToEither_actionFailed1() {
2352	<	for (ExecutionMode m : ExecutionMode.values())
2353	<	for (Integer v1 : new Integer[] { 1, null })
2354	<	for (Integer v2 : new Integer[] { 2, null }) {
2355	<
2356	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2357	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2358	<	final FailingFunction r = new FailingFunction();
1978	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1979	<
1980	<	f.complete(v1);
1981	<	checkCompletedWithWrappedCFException(h);
1982	<	g.complete(v2);
1983	<	checkCompletedNormally(f, v1);
1984	<	checkCompletedNormally(g, v2);
2346	>	try {
2347	>	assertEquals(inc(v1), h2.join());
2348	>	rs[2].assertValue(inc(v1));
2349	>	} catch (CompletionException ok) {
2350	>	checkCompletedWithWrappedException(h2, ex);
2351	>	rs[2].assertNotInvoked();
2352	>	}
2353	>	try {
2354	>	assertEquals(inc(v1), h3.join());
2355	>	rs[3].assertValue(inc(v1));
2356	>	} catch (CompletionException ok) {
2357	>	checkCompletedWithWrappedException(h3, ex);
2358	>	rs[3].assertNotInvoked();
2359		}
1986	–	}
1987	–
1988	–	public void testApplyToEither_actionFailed2() {
1989	–	for (ExecutionMode m : ExecutionMode.values())
1990	–	for (Integer v1 : new Integer[] { 1, null })
1991	–	for (Integer v2 : new Integer[] { 2, null }) {
1992	–
1993	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1994	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1995	–	final FailingFunction r = new FailingFunction();
1996	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2360
1998	–	g.complete(v2);
1999	–	checkCompletedWithWrappedCFException(h);
2000	–	f.complete(v1);
2361		checkCompletedNormally(f, v1);
2362	<	checkCompletedNormally(g, v2);
2363	<	}
2004	<	}
2362	>	checkCompletedExceptionally(g, ex);
2363	>	}}
2364
2365		/**
2366		* applyToEither result completes exceptionally if either source cancelled
2367		*/
2368	<	public void testApplyToEither_sourceCancelled1() {
2368	>	public void testApplyToEither_sourceCancelled() {
2369		for (ExecutionMode m : ExecutionMode.values())
2370		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2371	<	for (Integer v1 : new Integer[] { 1, null }) {
2372	<
2371	>	for (Integer v1 : new Integer[] { 1, null })
2372	>	{
2373		final CompletableFuture<Integer> f = new CompletableFuture<>();
2374		final CompletableFuture<Integer> g = new CompletableFuture<>();
2375	<	final IncFunction r = new IncFunction();
2376	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2375	>	final IncFunction[] rs = new IncFunction[6];
2376	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2377
2378	<	assertTrue(f.cancel(mayInterruptIfRunning));
2379	<	checkCompletedWithWrappedCancellationException(h);
2378	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2379	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2380	>	checkIncomplete(h0);
2381	>	checkIncomplete(h1);
2382	>	rs[0].assertNotInvoked();
2383	>	rs[1].assertNotInvoked();
2384	>	f.cancel(mayInterruptIfRunning);
2385	>	checkCompletedWithWrappedCancellationException(h0);
2386	>	checkCompletedWithWrappedCancellationException(h1);
2387	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2388	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2389	>	checkCompletedWithWrappedCancellationException(h2);
2390	>	checkCompletedWithWrappedCancellationException(h3);
2391		g.complete(v1);
2392
2393	+	// unspecified behavior - both source completions available
2394	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2395	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2396	+	try {
2397	+	assertEquals(inc(v1), h4.join());
2398	+	rs[4].assertValue(inc(v1));
2399	+	} catch (CompletionException ok) {
2400	+	checkCompletedWithWrappedCancellationException(h4);
2401	+	rs[4].assertNotInvoked();
2402	+	}
2403	+	try {
2404	+	assertEquals(inc(v1), h5.join());
2405	+	rs[5].assertValue(inc(v1));
2406	+	} catch (CompletionException ok) {
2407	+	checkCompletedWithWrappedCancellationException(h5);
2408	+	rs[5].assertNotInvoked();
2409	+	}
2410	+
2411		checkCancelled(f);
2024	–	assertEquals(r.invocationCount, 0);
2412		checkCompletedNormally(g, v1);
2413	<	checkCompletedWithWrappedCancellationException(h);
2414	<	}
2415	<	}
2413	>	checkCompletedWithWrappedCancellationException(h0);
2414	>	checkCompletedWithWrappedCancellationException(h1);
2415	>	checkCompletedWithWrappedCancellationException(h2);
2416	>	checkCompletedWithWrappedCancellationException(h3);
2417	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2418	>	}}
2419
2420		public void testApplyToEither_sourceCancelled2() {
2421		for (ExecutionMode m : ExecutionMode.values())
2422		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2423	<	for (Integer v1 : new Integer[] { 1, null }) {
2424	<
2423	>	for (boolean fFirst : new boolean[] { true, false })
2424	>	for (Integer v1 : new Integer[] { 1, null })
2425	>	{
2426		final CompletableFuture<Integer> f = new CompletableFuture<>();
2427		final CompletableFuture<Integer> g = new CompletableFuture<>();
2428	<	final IncFunction r = new IncFunction();
2429	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2428	>	final IncFunction[] rs = new IncFunction[6];
2429	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2430
2431	<	assertTrue(g.cancel(mayInterruptIfRunning));
2432	<	checkCompletedWithWrappedCancellationException(h);
2433	<	f.complete(v1);
2431	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2432	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2433	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2434	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2435	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2436	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2437
2438	<	checkCancelled(g);
2439	<	assertEquals(r.invocationCount, 0);
2440	<	checkCompletedNormally(f, v1);
2441	<	checkCompletedWithWrappedCancellationException(h);
2438	>	// unspecified behavior - both source completions available
2439	>	try {
2440	>	assertEquals(inc(v1), h0.join());
2441	>	rs[0].assertValue(inc(v1));
2442	>	} catch (CompletionException ok) {
2443	>	checkCompletedWithWrappedCancellationException(h0);
2444	>	rs[0].assertNotInvoked();
2445		}
2049	–	}
2050	–
2051	–	public void testApplyToEither_sourceCancelled3() {
2052	–	for (ExecutionMode m : ExecutionMode.values())
2053	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2054	–	for (Integer v1 : new Integer[] { 1, null }) {
2055	–
2056	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2057	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2058	–	final IncFunction r = new IncFunction();
2059	–
2060	–	assertTrue(g.cancel(mayInterruptIfRunning));
2061	–	f.complete(v1);
2062	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2063	–
2064	–	// unspecified behavior
2065	–	Integer v;
2446		try {
2447	<	assertEquals(h.join(), inc(v1));
2448	<	assertEquals(r.invocationCount, 1);
2447	>	assertEquals(inc(v1), h1.join());
2448	>	rs[1].assertValue(inc(v1));
2449		} catch (CompletionException ok) {
2450	<	checkCompletedWithWrappedCancellationException(h);
2451	<	assertEquals(r.invocationCount, 0);
2450	>	checkCompletedWithWrappedCancellationException(h1);
2451	>	rs[1].assertNotInvoked();
2452		}
2453	<
2454	<	checkCancelled(g);
2455	<	checkCompletedNormally(f, v1);
2453	>	try {
2454	>	assertEquals(inc(v1), h2.join());
2455	>	rs[2].assertValue(inc(v1));
2456	>	} catch (CompletionException ok) {
2457	>	checkCompletedWithWrappedCancellationException(h2);
2458	>	rs[2].assertNotInvoked();
2459		}
2077	–	}
2078	–
2079	–	public void testApplyToEither_sourceCancelled4() {
2080	–	for (ExecutionMode m : ExecutionMode.values())
2081	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2082	–	for (Integer v1 : new Integer[] { 1, null }) {
2083	–
2084	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2085	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2086	–	final IncFunction r = new IncFunction();
2087	–
2088	–	assertTrue(f.cancel(mayInterruptIfRunning));
2089	–	g.complete(v1);
2090	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2091	–
2092	–	// unspecified behavior
2093	–	Integer v;
2460		try {
2461	<	assertEquals(h.join(), inc(v1));
2462	<	assertEquals(r.invocationCount, 1);
2461	>	assertEquals(inc(v1), h3.join());
2462	>	rs[3].assertValue(inc(v1));
2463		} catch (CompletionException ok) {
2464	<	checkCompletedWithWrappedCancellationException(h);
2465	<	assertEquals(r.invocationCount, 0);
2464	>	checkCompletedWithWrappedCancellationException(h3);
2465	>	rs[3].assertNotInvoked();
2466		}
2467
2468	<	checkCancelled(f);
2469	<	checkCompletedNormally(g, v1);
2470	<	}
2105	<	}
2468	>	checkCompletedNormally(f, v1);
2469	>	checkCancelled(g);
2470	>	}}
2471
2472		/**
2473	<	* acceptEither result completes normally after normal completion
2109	<	* of either source
2473	>	* applyToEither result completes exceptionally if action does
2474		*/
2475	<	public void testAcceptEither_normalCompletion1() {
2475	>	public void testApplyToEither_actionFailed() {
2476		for (ExecutionMode m : ExecutionMode.values())
2477		for (Integer v1 : new Integer[] { 1, null })
2478	<	for (Integer v2 : new Integer[] { 2, null }) {
2479	<
2478	>	for (Integer v2 : new Integer[] { 2, null })
2479	>	{
2480		final CompletableFuture<Integer> f = new CompletableFuture<>();
2481		final CompletableFuture<Integer> g = new CompletableFuture<>();
2482	<	final IncAction r = new IncAction();
2483	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2482	>	final FailingFunction[] rs = new FailingFunction[6];
2483	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2484	>
2485	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2486	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2487	>	f.complete(v1);
2488	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2489	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2490	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2491	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2492	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2493	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2494	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2495
2121	–	f.complete(v1);
2122	–	checkCompletedNormally(h, null);
2123	–	assertEquals(r.value, inc(v1));
2496		g.complete(v2);
2497
2498	+	// unspecified behavior - both source completions available
2499	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2500	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2501	+
2502	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2503	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2504	+	Objects.equals(v2, rs[4].value));
2505	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2506	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2507	+	Objects.equals(v2, rs[5].value));
2508	+
2509		checkCompletedNormally(f, v1);
2510		checkCompletedNormally(g, v2);
2511	<	checkCompletedNormally(h, null);
2129	<	}
2130	<	}
2511	>	}}
2512
2513	<	public void testAcceptEither_normalCompletion2() {
2513	>	/**
2514	>	* acceptEither result completes normally after normal completion
2515	>	* of either source
2516	>	*/
2517	>	public void testAcceptEither_normalCompletion() {
2518		for (ExecutionMode m : ExecutionMode.values())
2519		for (Integer v1 : new Integer[] { 1, null })
2520	<	for (Integer v2 : new Integer[] { 2, null }) {
2521	<
2520	>	for (Integer v2 : new Integer[] { 2, null })
2521	>	{
2522		final CompletableFuture<Integer> f = new CompletableFuture<>();
2523		final CompletableFuture<Integer> g = new CompletableFuture<>();
2524	<	final IncAction r = new IncAction();
2525	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2524	>	final NoopConsumer[] rs = new NoopConsumer[6];
2525	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2526
2527	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2528	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2529	+	checkIncomplete(h0);
2530	+	checkIncomplete(h1);
2531	+	rs[0].assertNotInvoked();
2532	+	rs[1].assertNotInvoked();
2533	+	f.complete(v1);
2534	+	checkCompletedNormally(h0, null);
2535	+	checkCompletedNormally(h1, null);
2536	+	rs[0].assertValue(v1);
2537	+	rs[1].assertValue(v1);
2538	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2539	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2540	+	checkCompletedNormally(h2, null);
2541	+	checkCompletedNormally(h3, null);
2542	+	rs[2].assertValue(v1);
2543	+	rs[3].assertValue(v1);
2544		g.complete(v2);
2143	–	checkCompletedNormally(h, null);
2144	–	assertEquals(r.value, inc(v2));
2145	–	f.complete(v1);
2545
2546	<	checkCompletedNormally(f, v1);
2547	<	checkCompletedNormally(g, v2);
2548	<	checkCompletedNormally(h, null);
2549	<	}
2550	<	}
2551	<	public void testAcceptEither_normalCompletion3() {
2552	<	for (ExecutionMode m : ExecutionMode.values())
2553	<	for (Integer v1 : new Integer[] { 1, null })
2554	<	for (Integer v2 : new Integer[] { 2, null }) {
2156	<
2157	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2158	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2159	<	final IncAction r = new IncAction();
2160	<
2161	<	f.complete(v1);
2162	<	g.complete(v2);
2163	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2546	>	// unspecified behavior - both source completions available
2547	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2548	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2549	>	checkCompletedNormally(h4, null);
2550	>	checkCompletedNormally(h5, null);
2551	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2552	>	Objects.equals(v2, rs[4].value));
2553	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2554	>	Objects.equals(v2, rs[5].value));
2555
2165	–	checkCompletedNormally(h, null);
2556		checkCompletedNormally(f, v1);
2557		checkCompletedNormally(g, v2);
2558	<
2559	<	// unspecified behavior
2560	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2561	<	Objects.equals(r.value, inc(v2)));
2562	<	}
2563	<	}
2558	>	checkCompletedNormally(h0, null);
2559	>	checkCompletedNormally(h1, null);
2560	>	checkCompletedNormally(h2, null);
2561	>	checkCompletedNormally(h3, null);
2562	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2563	>	}}
2564
2565		/**
2566		* acceptEither result completes exceptionally after exceptional
2567		* completion of either source
2568		*/
2569	<	public void testAcceptEither_exceptionalCompletion1() {
2569	>	public void testAcceptEither_exceptionalCompletion() {
2570		for (ExecutionMode m : ExecutionMode.values())
2571	<	for (Integer v1 : new Integer[] { 1, null }) {
2572	<
2571	>	for (Integer v1 : new Integer[] { 1, null })
2572	>	{
2573		final CompletableFuture<Integer> f = new CompletableFuture<>();
2574		final CompletableFuture<Integer> g = new CompletableFuture<>();
2185	–	final IncAction r = new IncAction();
2186	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2575		final CFException ex = new CFException();
2576	+	final NoopConsumer[] rs = new NoopConsumer[6];
2577	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2578
2579	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2580	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2581	+	checkIncomplete(h0);
2582	+	checkIncomplete(h1);
2583	+	rs[0].assertNotInvoked();
2584	+	rs[1].assertNotInvoked();
2585		f.completeExceptionally(ex);
2586	<	checkCompletedWithWrappedCFException(h, ex);
2587	<	g.complete(v1);
2588	<
2589	<	assertEquals(r.invocationCount, 0);
2590	<	checkCompletedNormally(g, v1);
2591	<	checkCompletedWithWrappedCFException(f, ex);
2196	<	checkCompletedWithWrappedCFException(h, ex);
2197	<	}
2198	<	}
2199	<
2200	<	public void testAcceptEither_exceptionalCompletion2() {
2201	<	for (ExecutionMode m : ExecutionMode.values())
2202	<	for (Integer v1 : new Integer[] { 1, null }) {
2203	<
2204	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2205	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2206	<	final IncAction r = new IncAction();
2207	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2208	<	final CFException ex = new CFException();
2586	>	checkCompletedWithWrappedException(h0, ex);
2587	>	checkCompletedWithWrappedException(h1, ex);
2588	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2589	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2590	>	checkCompletedWithWrappedException(h2, ex);
2591	>	checkCompletedWithWrappedException(h3, ex);
2592
2593	<	g.completeExceptionally(ex);
2211	<	checkCompletedWithWrappedCFException(h, ex);
2212	<	f.complete(v1);
2593	>	g.complete(v1);
2594
2595	<	assertEquals(r.invocationCount, 0);
2596	<	checkCompletedNormally(f, v1);
2597	<	checkCompletedWithWrappedCFException(g, ex);
2598	<	checkCompletedWithWrappedCFException(h, ex);
2595	>	// unspecified behavior - both source completions available
2596	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2597	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2598	>	try {
2599	>	assertNull(h4.join());
2600	>	rs[4].assertValue(v1);
2601	>	} catch (CompletionException ok) {
2602	>	checkCompletedWithWrappedException(h4, ex);
2603	>	rs[4].assertNotInvoked();
2604		}
2219	–	}
2220	–
2221	–	public void testAcceptEither_exceptionalCompletion3() {
2222	–	for (ExecutionMode m : ExecutionMode.values())
2223	–	for (Integer v1 : new Integer[] { 1, null }) {
2224	–
2225	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2226	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2227	–	final IncAction r = new IncAction();
2228	–	final CFException ex = new CFException();
2229	–
2230	–	g.completeExceptionally(ex);
2231	–	f.complete(v1);
2232	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2233	–
2234	–	// unspecified behavior
2235	–	Integer v;
2605		try {
2606	<	assertEquals(h.join(), null);
2607	<	assertEquals(r.invocationCount, 1);
2239	<	assertEquals(inc(v1), r.value);
2606	>	assertNull(h5.join());
2607	>	rs[5].assertValue(v1);
2608		} catch (CompletionException ok) {
2609	<	checkCompletedWithWrappedCFException(h, ex);
2610	<	assertEquals(r.invocationCount, 0);
2609	>	checkCompletedWithWrappedException(h5, ex);
2610	>	rs[5].assertNotInvoked();
2611		}
2612
2613	<	checkCompletedWithWrappedCFException(g, ex);
2614	<	checkCompletedNormally(f, v1);
2615	<	}
2616	<	}
2613	>	checkCompletedExceptionally(f, ex);
2614	>	checkCompletedNormally(g, v1);
2615	>	checkCompletedWithWrappedException(h0, ex);
2616	>	checkCompletedWithWrappedException(h1, ex);
2617	>	checkCompletedWithWrappedException(h2, ex);
2618	>	checkCompletedWithWrappedException(h3, ex);
2619	>	checkCompletedWithWrappedException(h4, ex);
2620	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2621	>	}}
2622
2623	<	public void testAcceptEither_exceptionalCompletion4() {
2623	>	public void testAcceptEither_exceptionalCompletion2() {
2624		for (ExecutionMode m : ExecutionMode.values())
2625	<	for (Integer v1 : new Integer[] { 1, null }) {
2626	<
2625	>	for (boolean fFirst : new boolean[] { true, false })
2626	>	for (Integer v1 : new Integer[] { 1, null })
2627	>	{
2628		final CompletableFuture<Integer> f = new CompletableFuture<>();
2629		final CompletableFuture<Integer> g = new CompletableFuture<>();
2256	–	final IncAction r = new IncAction();
2630		final CFException ex = new CFException();
2631	+	final NoopConsumer[] rs = new NoopConsumer[6];
2632	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2633
2634	<	f.completeExceptionally(ex);
2635	<	g.complete(v1);
2636	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2634	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2635	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2636	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2637	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2638	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2639	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2640
2641	<	// unspecified behavior
2264	<	Integer v;
2641	>	// unspecified behavior - both source completions available
2642		try {
2643	<	assertEquals(h.join(), null);
2644	<	assertEquals(r.invocationCount, 1);
2268	<	assertEquals(inc(v1), r.value);
2643	>	assertNull(h0.join());
2644	>	rs[0].assertValue(v1);
2645		} catch (CompletionException ok) {
2646	<	checkCompletedWithWrappedCFException(h, ex);
2647	<	assertEquals(r.invocationCount, 0);
2646	>	checkCompletedWithWrappedException(h0, ex);
2647	>	rs[0].assertNotInvoked();
2648		}
2649	<
2650	<	checkCompletedWithWrappedCFException(f, ex);
2651	<	checkCompletedNormally(g, v1);
2649	>	try {
2650	>	assertNull(h1.join());
2651	>	rs[1].assertValue(v1);
2652	>	} catch (CompletionException ok) {
2653	>	checkCompletedWithWrappedException(h1, ex);
2654	>	rs[1].assertNotInvoked();
2655		}
2656	<	}
2657	<
2658	<	/**
2659	<	* acceptEither result completes exceptionally if action does
2660	<	*/
2661	<	public void testAcceptEither_actionFailed1() {
2662	<	for (ExecutionMode m : ExecutionMode.values())
2663	<	for (Integer v1 : new Integer[] { 1, null })
2664	<	for (Integer v2 : new Integer[] { 2, null }) {
2665	<
2666	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2667	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2668	<	final FailingConsumer r = new FailingConsumer();
2290	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2291	<
2292	<	f.complete(v1);
2293	<	checkCompletedWithWrappedCFException(h);
2294	<	g.complete(v2);
2295	<	checkCompletedNormally(f, v1);
2296	<	checkCompletedNormally(g, v2);
2656	>	try {
2657	>	assertNull(h2.join());
2658	>	rs[2].assertValue(v1);
2659	>	} catch (CompletionException ok) {
2660	>	checkCompletedWithWrappedException(h2, ex);
2661	>	rs[2].assertNotInvoked();
2662	>	}
2663	>	try {
2664	>	assertNull(h3.join());
2665	>	rs[3].assertValue(v1);
2666	>	} catch (CompletionException ok) {
2667	>	checkCompletedWithWrappedException(h3, ex);
2668	>	rs[3].assertNotInvoked();
2669		}
2298	–	}
2299	–
2300	–	public void testAcceptEither_actionFailed2() {
2301	–	for (ExecutionMode m : ExecutionMode.values())
2302	–	for (Integer v1 : new Integer[] { 1, null })
2303	–	for (Integer v2 : new Integer[] { 2, null }) {
2304	–
2305	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2306	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2307	–	final FailingConsumer r = new FailingConsumer();
2308	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2670
2310	–	g.complete(v2);
2311	–	checkCompletedWithWrappedCFException(h);
2312	–	f.complete(v1);
2671		checkCompletedNormally(f, v1);
2672	<	checkCompletedNormally(g, v2);
2673	<	}
2316	<	}
2672	>	checkCompletedExceptionally(g, ex);
2673	>	}}
2674
2675		/**
2676		* acceptEither result completes exceptionally if either source cancelled
2677		*/
2678	<	public void testAcceptEither_sourceCancelled1() {
2322	<	for (ExecutionMode m : ExecutionMode.values())
2323	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2324	<	for (Integer v1 : new Integer[] { 1, null }) {
2325	<
2326	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2327	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2328	<	final IncAction r = new IncAction();
2329	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2330	<
2331	<	assertTrue(f.cancel(mayInterruptIfRunning));
2332	<	checkCompletedWithWrappedCancellationException(h);
2333	<	g.complete(v1);
2334	<
2335	<	checkCancelled(f);
2336	<	assertEquals(r.invocationCount, 0);
2337	<	checkCompletedNormally(g, v1);
2338	<	checkCompletedWithWrappedCancellationException(h);
2339	<	}
2340	<	}
2341	<
2342	<	public void testAcceptEither_sourceCancelled2() {
2678	>	public void testAcceptEither_sourceCancelled() {
2679		for (ExecutionMode m : ExecutionMode.values())
2680		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2681	<	for (Integer v1 : new Integer[] { 1, null }) {
2682	<
2681	>	for (Integer v1 : new Integer[] { 1, null })
2682	>	{
2683		final CompletableFuture<Integer> f = new CompletableFuture<>();
2684		final CompletableFuture<Integer> g = new CompletableFuture<>();
2685	<	final IncAction r = new IncAction();
2686	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2351	<
2352	<	assertTrue(g.cancel(mayInterruptIfRunning));
2353	<	checkCompletedWithWrappedCancellationException(h);
2354	<	f.complete(v1);
2355	<
2356	<	checkCancelled(g);
2357	<	assertEquals(r.invocationCount, 0);
2358	<	checkCompletedNormally(f, v1);
2359	<	checkCompletedWithWrappedCancellationException(h);
2360	<	}
2361	<	}
2685	>	final NoopConsumer[] rs = new NoopConsumer[6];
2686	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2687
2688	<	public void testAcceptEither_sourceCancelled3() {
2689	<	for (ExecutionMode m : ExecutionMode.values())
2690	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2691	<	for (Integer v1 : new Integer[] { 1, null }) {
2688	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2689	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2690	>	checkIncomplete(h0);
2691	>	checkIncomplete(h1);
2692	>	rs[0].assertNotInvoked();
2693	>	rs[1].assertNotInvoked();
2694	>	f.cancel(mayInterruptIfRunning);
2695	>	checkCompletedWithWrappedCancellationException(h0);
2696	>	checkCompletedWithWrappedCancellationException(h1);
2697	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2698	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2699	>	checkCompletedWithWrappedCancellationException(h2);
2700	>	checkCompletedWithWrappedCancellationException(h3);
2701
2702	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2369	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2370	<	final IncAction r = new IncAction();
2371	<
2372	<	assertTrue(g.cancel(mayInterruptIfRunning));
2373	<	f.complete(v1);
2374	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2702	>	g.complete(v1);
2703
2704	<	// unspecified behavior
2705	<	Integer v;
2704	>	// unspecified behavior - both source completions available
2705	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2706	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2707		try {
2708	<	assertEquals(h.join(), null);
2709	<	assertEquals(r.invocationCount, 1);
2381	<	assertEquals(inc(v1), r.value);
2708	>	assertNull(h4.join());
2709	>	rs[4].assertValue(v1);
2710		} catch (CompletionException ok) {
2711	<	checkCompletedWithWrappedCancellationException(h);
2712	<	assertEquals(r.invocationCount, 0);
2385	<	}
2386	<
2387	<	checkCancelled(g);
2388	<	checkCompletedNormally(f, v1);
2711	>	checkCompletedWithWrappedCancellationException(h4);
2712	>	rs[4].assertNotInvoked();
2713		}
2390	–	}
2391	–
2392	–	public void testAcceptEither_sourceCancelled4() {
2393	–	for (ExecutionMode m : ExecutionMode.values())
2394	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2395	–	for (Integer v1 : new Integer[] { 1, null }) {
2396	–
2397	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2398	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2399	–	final IncAction r = new IncAction();
2400	–
2401	–	assertTrue(f.cancel(mayInterruptIfRunning));
2402	–	g.complete(v1);
2403	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2404	–
2405	–	// unspecified behavior
2406	–	Integer v;
2714		try {
2715	<	assertEquals(h.join(), null);
2716	<	assertEquals(r.invocationCount, 1);
2410	<	assertEquals(inc(v1), r.value);
2715	>	assertNull(h5.join());
2716	>	rs[5].assertValue(v1);
2717		} catch (CompletionException ok) {
2718	<	checkCompletedWithWrappedCancellationException(h);
2719	<	assertEquals(r.invocationCount, 0);
2718	>	checkCompletedWithWrappedCancellationException(h5);
2719	>	rs[5].assertNotInvoked();
2720		}
2721
2722		checkCancelled(f);
2723		checkCompletedNormally(g, v1);
2724	<	}
2725	<	}
2724	>	checkCompletedWithWrappedCancellationException(h0);
2725	>	checkCompletedWithWrappedCancellationException(h1);
2726	>	checkCompletedWithWrappedCancellationException(h2);
2727	>	checkCompletedWithWrappedCancellationException(h3);
2728	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2729	>	}}
2730
2731		/**
2732	<	* runAfterEither result completes normally after normal completion
2423	<	* of either source
2732	>	* acceptEither result completes exceptionally if action does
2733		*/
2734	<	public void testRunAfterEither_normalCompletion1() {
2734	>	public void testAcceptEither_actionFailed() {
2735		for (ExecutionMode m : ExecutionMode.values())
2736		for (Integer v1 : new Integer[] { 1, null })
2737	<	for (Integer v2 : new Integer[] { 2, null }) {
2738	<
2737	>	for (Integer v2 : new Integer[] { 2, null })
2738	>	{
2739		final CompletableFuture<Integer> f = new CompletableFuture<>();
2740		final CompletableFuture<Integer> g = new CompletableFuture<>();
2741	<	final Noop r = new Noop();
2742	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2741	>	final FailingConsumer[] rs = new FailingConsumer[6];
2742	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2743	>
2744	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2745	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2746	>	f.complete(v1);
2747	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2748	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2749	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2750	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2751	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2752	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2753	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2754
2435	–	f.complete(v1);
2436	–	checkCompletedNormally(h, null);
2437	–	assertEquals(r.invocationCount, 1);
2755		g.complete(v2);
2756
2757	+	// unspecified behavior - both source completions available
2758	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2759	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2760	+
2761	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2762	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2763	+	Objects.equals(v2, rs[4].value));
2764	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2765	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2766	+	Objects.equals(v2, rs[5].value));
2767	+
2768		checkCompletedNormally(f, v1);
2769		checkCompletedNormally(g, v2);
2770	<	checkCompletedNormally(h, null);
2443	<	assertEquals(r.invocationCount, 1);
2444	<	}
2445	<	}
2770	>	}}
2771
2772	<	public void testRunAfterEither_normalCompletion2() {
2772	>	/**
2773	>	* runAfterEither result completes normally after normal completion
2774	>	* of either source
2775	>	*/
2776	>	public void testRunAfterEither_normalCompletion() {
2777		for (ExecutionMode m : ExecutionMode.values())
2778		for (Integer v1 : new Integer[] { 1, null })
2779	<	for (Integer v2 : new Integer[] { 2, null }) {
2780	<
2781	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2782	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2783	<	final Noop r = new Noop();
2784	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2779	>	for (Integer v2 : new Integer[] { 2, null })
2780	>	for (boolean pushNop : new boolean[] { true, false })
2781	>	{
2782	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2783	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2784	>	final Noop[] rs = new Noop[6];
2785	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2786	>
2787	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2788	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2789	>	checkIncomplete(h0);
2790	>	checkIncomplete(h1);
2791	>	rs[0].assertNotInvoked();
2792	>	rs[1].assertNotInvoked();
2793	>	if (pushNop) {          // ad hoc test of intra-completion interference
2794	>	m.thenRun(f, () -> {});
2795	>	m.thenRun(g, () -> {});
2796	>	}
2797	>	f.complete(v1);
2798	>	checkCompletedNormally(h0, null);
2799	>	checkCompletedNormally(h1, null);
2800	>	rs[0].assertInvoked();
2801	>	rs[1].assertInvoked();
2802	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2803	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2804	>	checkCompletedNormally(h2, null);
2805	>	checkCompletedNormally(h3, null);
2806	>	rs[2].assertInvoked();
2807	>	rs[3].assertInvoked();
2808
2809		g.complete(v2);
2458	–	checkCompletedNormally(h, null);
2459	–	assertEquals(r.invocationCount, 1);
2460	–	f.complete(v1);
2461	–
2462	–	checkCompletedNormally(f, v1);
2463	–	checkCompletedNormally(g, v2);
2464	–	checkCompletedNormally(h, null);
2465	–	assertEquals(r.invocationCount, 1);
2466	–	}
2467	–	}
2468	–	public void testRunAfterEither_normalCompletion3() {
2469	–	for (ExecutionMode m : ExecutionMode.values())
2470	–	for (Integer v1 : new Integer[] { 1, null })
2471	–	for (Integer v2 : new Integer[] { 2, null }) {
2810
2811	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2812	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2475	<	final Noop r = new Noop();
2811	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2812	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2813
2477	–	f.complete(v1);
2478	–	g.complete(v2);
2479	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2480	–
2481	–	checkCompletedNormally(h, null);
2814		checkCompletedNormally(f, v1);
2815		checkCompletedNormally(g, v2);
2816	<	assertEquals(r.invocationCount, 1);
2817	<	}
2818	<	}
2816	>	checkCompletedNormally(h0, null);
2817	>	checkCompletedNormally(h1, null);
2818	>	checkCompletedNormally(h2, null);
2819	>	checkCompletedNormally(h3, null);
2820	>	checkCompletedNormally(h4, null);
2821	>	checkCompletedNormally(h5, null);
2822	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2823	>	}}
2824
2825		/**
2826		* runAfterEither result completes exceptionally after exceptional
2827		* completion of either source
2828		*/
2829	<	public void testRunAfterEither_exceptionalCompletion1() {
2829	>	public void testRunAfterEither_exceptionalCompletion() {
2830		for (ExecutionMode m : ExecutionMode.values())
2831	<	for (Integer v1 : new Integer[] { 1, null }) {
2832	<
2831	>	for (Integer v1 : new Integer[] { 1, null })
2832	>	{
2833		final CompletableFuture<Integer> f = new CompletableFuture<>();
2834		final CompletableFuture<Integer> g = new CompletableFuture<>();
2498	–	final Noop r = new Noop();
2499	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2835		final CFException ex = new CFException();
2836	+	final Noop[] rs = new Noop[6];
2837	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2838
2839	<	f.completeExceptionally(ex);
2840	<	checkCompletedWithWrappedCFException(h, ex);
2841	<	g.complete(v1);
2839	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2840	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2841	>	checkIncomplete(h0);
2842	>	checkIncomplete(h1);
2843	>	rs[0].assertNotInvoked();
2844	>	rs[1].assertNotInvoked();
2845	>	assertTrue(f.completeExceptionally(ex));
2846	>	checkCompletedWithWrappedException(h0, ex);
2847	>	checkCompletedWithWrappedException(h1, ex);
2848	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2849	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2850	>	checkCompletedWithWrappedException(h2, ex);
2851	>	checkCompletedWithWrappedException(h3, ex);
2852	>
2853	>	assertTrue(g.complete(v1));
2854	>
2855	>	// unspecified behavior - both source completions available
2856	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2857	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2858	>	try {
2859	>	assertNull(h4.join());
2860	>	rs[4].assertInvoked();
2861	>	} catch (CompletionException ok) {
2862	>	checkCompletedWithWrappedException(h4, ex);
2863	>	rs[4].assertNotInvoked();
2864	>	}
2865	>	try {
2866	>	assertNull(h5.join());
2867	>	rs[5].assertInvoked();
2868	>	} catch (CompletionException ok) {
2869	>	checkCompletedWithWrappedException(h5, ex);
2870	>	rs[5].assertNotInvoked();
2871	>	}
2872
2873	<	assertEquals(r.invocationCount, 0);
2873	>	checkCompletedExceptionally(f, ex);
2874		checkCompletedNormally(g, v1);
2875	<	checkCompletedWithWrappedCFException(f, ex);
2876	<	checkCompletedWithWrappedCFException(h, ex);
2877	<	}
2878	<	}
2875	>	checkCompletedWithWrappedException(h0, ex);
2876	>	checkCompletedWithWrappedException(h1, ex);
2877	>	checkCompletedWithWrappedException(h2, ex);
2878	>	checkCompletedWithWrappedException(h3, ex);
2879	>	checkCompletedWithWrappedException(h4, ex);
2880	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2881	>	}}
2882
2883		public void testRunAfterEither_exceptionalCompletion2() {
2884		for (ExecutionMode m : ExecutionMode.values())
2885	<	for (Integer v1 : new Integer[] { 1, null }) {
2886	<
2887	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2518	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2519	<	final Noop r = new Noop();
2520	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2521	<	final CFException ex = new CFException();
2522	<
2523	<	g.completeExceptionally(ex);
2524	<	checkCompletedWithWrappedCFException(h, ex);
2525	<	f.complete(v1);
2526	<
2527	<	assertEquals(r.invocationCount, 0);
2528	<	checkCompletedNormally(f, v1);
2529	<	checkCompletedWithWrappedCFException(g, ex);
2530	<	checkCompletedWithWrappedCFException(h, ex);
2531	<	}
2532	<	}
2533	<
2534	<	public void testRunAfterEither_exceptionalCompletion3() {
2535	<	for (ExecutionMode m : ExecutionMode.values())
2536	<	for (Integer v1 : new Integer[] { 1, null }) {
2537	<
2885	>	for (boolean fFirst : new boolean[] { true, false })
2886	>	for (Integer v1 : new Integer[] { 1, null })
2887	>	{
2888		final CompletableFuture<Integer> f = new CompletableFuture<>();
2889		final CompletableFuture<Integer> g = new CompletableFuture<>();
2540	–	final Noop r = new Noop();
2890		final CFException ex = new CFException();
2891	+	final Noop[] rs = new Noop[6];
2892	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2893
2894	<	g.completeExceptionally(ex);
2895	<	f.complete(v1);
2896	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2894	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2895	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2896	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2897	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2898	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2899	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2900
2901	<	// unspecified behavior
2548	<	Integer v;
2901	>	// unspecified behavior - both source completions available
2902		try {
2903	<	assertEquals(h.join(), null);
2904	<	assertEquals(r.invocationCount, 1);
2903	>	assertNull(h0.join());
2904	>	rs[0].assertInvoked();
2905		} catch (CompletionException ok) {
2906	<	checkCompletedWithWrappedCFException(h, ex);
2907	<	assertEquals(r.invocationCount, 0);
2906	>	checkCompletedWithWrappedException(h0, ex);
2907	>	rs[0].assertNotInvoked();
2908		}
2556	–
2557	–	checkCompletedWithWrappedCFException(g, ex);
2558	–	checkCompletedNormally(f, v1);
2559	–	}
2560	–	}
2561	–
2562	–	public void testRunAfterEither_exceptionalCompletion4() {
2563	–	for (ExecutionMode m : ExecutionMode.values())
2564	–	for (Integer v1 : new Integer[] { 1, null }) {
2565	–
2566	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2567	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2568	–	final Noop r = new Noop();
2569	–	final CFException ex = new CFException();
2570	–
2571	–	f.completeExceptionally(ex);
2572	–	g.complete(v1);
2573	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2574	–
2575	–	// unspecified behavior
2576	–	Integer v;
2909		try {
2910	<	assertEquals(h.join(), null);
2911	<	assertEquals(r.invocationCount, 1);
2910	>	assertNull(h1.join());
2911	>	rs[1].assertInvoked();
2912		} catch (CompletionException ok) {
2913	<	checkCompletedWithWrappedCFException(h, ex);
2914	<	assertEquals(r.invocationCount, 0);
2913	>	checkCompletedWithWrappedException(h1, ex);
2914	>	rs[1].assertNotInvoked();
2915		}
2916	<
2917	<	checkCompletedWithWrappedCFException(f, ex);
2918	<	checkCompletedNormally(g, v1);
2916	>	try {
2917	>	assertNull(h2.join());
2918	>	rs[2].assertInvoked();
2919	>	} catch (CompletionException ok) {
2920	>	checkCompletedWithWrappedException(h2, ex);
2921	>	rs[2].assertNotInvoked();
2922		}
2923	<	}
2924	<
2925	<	/**
2926	<	* runAfterEither result completes exceptionally if action does
2927	<	*/
2928	<	public void testRunAfterEither_actionFailed1() {
2594	<	for (ExecutionMode m : ExecutionMode.values())
2595	<	for (Integer v1 : new Integer[] { 1, null })
2596	<	for (Integer v2 : new Integer[] { 2, null }) {
2597	<
2598	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2599	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2600	<	final FailingNoop r = new FailingNoop();
2601	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2602	<
2603	<	f.complete(v1);
2604	<	checkCompletedWithWrappedCFException(h);
2605	<	g.complete(v2);
2606	<	checkCompletedNormally(f, v1);
2607	<	checkCompletedNormally(g, v2);
2923	>	try {
2924	>	assertNull(h3.join());
2925	>	rs[3].assertInvoked();
2926	>	} catch (CompletionException ok) {
2927	>	checkCompletedWithWrappedException(h3, ex);
2928	>	rs[3].assertNotInvoked();
2929		}
2609	–	}
2930
2611	–	public void testRunAfterEither_actionFailed2() {
2612	–	for (ExecutionMode m : ExecutionMode.values())
2613	–	for (Integer v1 : new Integer[] { 1, null })
2614	–	for (Integer v2 : new Integer[] { 2, null }) {
2615	–
2616	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2617	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2618	–	final FailingNoop r = new FailingNoop();
2619	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2620	–
2621	–	g.complete(v2);
2622	–	checkCompletedWithWrappedCFException(h);
2623	–	f.complete(v1);
2931		checkCompletedNormally(f, v1);
2932	<	checkCompletedNormally(g, v2);
2933	<	}
2627	<	}
2932	>	checkCompletedExceptionally(g, ex);
2933	>	}}
2934
2935		/**
2936		* runAfterEither result completes exceptionally if either source cancelled
2937		*/
2938	<	public void testRunAfterEither_sourceCancelled1() {
2938	>	public void testRunAfterEither_sourceCancelled() {
2939		for (ExecutionMode m : ExecutionMode.values())
2940		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2941	<	for (Integer v1 : new Integer[] { 1, null }) {
2942	<
2637	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2638	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2639	<	final Noop r = new Noop();
2640	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2641	<
2642	<	assertTrue(f.cancel(mayInterruptIfRunning));
2643	<	checkCompletedWithWrappedCancellationException(h);
2644	<	g.complete(v1);
2645	<
2646	<	checkCancelled(f);
2647	<	assertEquals(r.invocationCount, 0);
2648	<	checkCompletedNormally(g, v1);
2649	<	checkCompletedWithWrappedCancellationException(h);
2650	<	}
2651	<	}
2652	<
2653	<	public void testRunAfterEither_sourceCancelled2() {
2654	<	for (ExecutionMode m : ExecutionMode.values())
2655	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2656	<	for (Integer v1 : new Integer[] { 1, null }) {
2657	<
2941	>	for (Integer v1 : new Integer[] { 1, null })
2942	>	{
2943		final CompletableFuture<Integer> f = new CompletableFuture<>();
2944		final CompletableFuture<Integer> g = new CompletableFuture<>();
2945	<	final Noop r = new Noop();
2946	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2662	<
2663	<	assertTrue(g.cancel(mayInterruptIfRunning));
2664	<	checkCompletedWithWrappedCancellationException(h);
2665	<	f.complete(v1);
2945	>	final Noop[] rs = new Noop[6];
2946	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2947
2948	<	checkCancelled(g);
2949	<	assertEquals(r.invocationCount, 0);
2950	<	checkCompletedNormally(f, v1);
2951	<	checkCompletedWithWrappedCancellationException(h);
2948	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2949	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2950	>	checkIncomplete(h0);
2951	>	checkIncomplete(h1);
2952	>	rs[0].assertNotInvoked();
2953	>	rs[1].assertNotInvoked();
2954	>	f.cancel(mayInterruptIfRunning);
2955	>	checkCompletedWithWrappedCancellationException(h0);
2956	>	checkCompletedWithWrappedCancellationException(h1);
2957	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2958	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2959	>	checkCompletedWithWrappedCancellationException(h2);
2960	>	checkCompletedWithWrappedCancellationException(h3);
2961	>
2962	>	assertTrue(g.complete(v1));
2963	>
2964	>	// unspecified behavior - both source completions available
2965	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2966	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2967	>	try {
2968	>	assertNull(h4.join());
2969	>	rs[4].assertInvoked();
2970	>	} catch (CompletionException ok) {
2971	>	checkCompletedWithWrappedCancellationException(h4);
2972	>	rs[4].assertNotInvoked();
2973		}
2672	–	}
2673	–
2674	–	public void testRunAfterEither_sourceCancelled3() {
2675	–	for (ExecutionMode m : ExecutionMode.values())
2676	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2677	–	for (Integer v1 : new Integer[] { 1, null }) {
2678	–
2679	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2680	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2681	–	final Noop r = new Noop();
2682	–
2683	–	assertTrue(g.cancel(mayInterruptIfRunning));
2684	–	f.complete(v1);
2685	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2686	–
2687	–	// unspecified behavior
2688	–	Integer v;
2974		try {
2975	<	assertEquals(h.join(), null);
2976	<	assertEquals(r.invocationCount, 1);
2975	>	assertNull(h5.join());
2976	>	rs[5].assertInvoked();
2977		} catch (CompletionException ok) {
2978	<	checkCompletedWithWrappedCancellationException(h);
2979	<	assertEquals(r.invocationCount, 0);
2978	>	checkCompletedWithWrappedCancellationException(h5);
2979	>	rs[5].assertNotInvoked();
2980		}
2981
2982	<	checkCancelled(g);
2983	<	checkCompletedNormally(f, v1);
2984	<	}
2985	<	}
2982	>	checkCancelled(f);
2983	>	checkCompletedNormally(g, v1);
2984	>	checkCompletedWithWrappedCancellationException(h0);
2985	>	checkCompletedWithWrappedCancellationException(h1);
2986	>	checkCompletedWithWrappedCancellationException(h2);
2987	>	checkCompletedWithWrappedCancellationException(h3);
2988	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2989	>	}}
2990
2991	<	public void testRunAfterEither_sourceCancelled4() {
2991	>	/**
2992	>	* runAfterEither result completes exceptionally if action does
2993	>	*/
2994	>	public void testRunAfterEither_actionFailed() {
2995		for (ExecutionMode m : ExecutionMode.values())
2996	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2997	<	for (Integer v1 : new Integer[] { 1, null }) {
2998	<
2996	>	for (Integer v1 : new Integer[] { 1, null })
2997	>	for (Integer v2 : new Integer[] { 2, null })
2998	>	{
2999		final CompletableFuture<Integer> f = new CompletableFuture<>();
3000		final CompletableFuture<Integer> g = new CompletableFuture<>();
3001	<	final Noop r = new Noop();
3001	>	final FailingRunnable[] rs = new FailingRunnable[6];
3002	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3003
3004	<	assertTrue(f.cancel(mayInterruptIfRunning));
3005	<	g.complete(v1);
3006	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3007	<
3008	<	// unspecified behavior
3009	<	Integer v;
3010	<	try {
3011	<	assertEquals(h.join(), null);
3012	<	assertEquals(r.invocationCount, 1);
3013	<	} catch (CompletionException ok) {
3014	<	checkCompletedWithWrappedCancellationException(h);
3015	<	assertEquals(r.invocationCount, 0);
3016	<	}
3004	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3005	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3006	>	assertTrue(f.complete(v1));
3007	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3008	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3009	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3010	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3011	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3012	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3013	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3014	>	assertTrue(g.complete(v2));
3015	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3016	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3017	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3018	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3019
3020	<	checkCancelled(f);
3021	<	checkCompletedNormally(g, v1);
3022	<	}
3023	<	}
3020	>	checkCompletedNormally(f, v1);
3021	>	checkCompletedNormally(g, v2);
3022	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3023	>	}}
3024
3025		/**
3026		* thenCompose result completes normally after normal completion of source
3027		*/
3028	<	public void testThenCompose() {
3029	<	CompletableFuture<Integer> f, g;
3030	<	CompletableFutureInc r;
3031	<
3032	<	f = new CompletableFuture<>();
3033	<	g = f.thenCompose(r = new CompletableFutureInc());
3034	<	f.complete(one);
3035	<	checkCompletedNormally(g, two);
3036	<	assertTrue(r.ran);
3028	>	public void testThenCompose_normalCompletion() {
3029	>	for (ExecutionMode m : ExecutionMode.values())
3030	>	for (boolean createIncomplete : new boolean[] { true, false })
3031	>	for (Integer v1 : new Integer[] { 1, null })
3032	>	{
3033	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3034	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3035	>	if (!createIncomplete) assertTrue(f.complete(v1));
3036	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3037	>	if (createIncomplete) assertTrue(f.complete(v1));
3038
3039	<	f = new CompletableFuture<>();
3040	<	f.complete(one);
3041	<	g = f.thenCompose(r = new CompletableFutureInc());
3042	<	checkCompletedNormally(g, two);
2747	<	assertTrue(r.ran);
2748	<	}
3039	>	checkCompletedNormally(g, inc(v1));
3040	>	checkCompletedNormally(f, v1);
3041	>	r.assertValue(v1);
3042	>	}}
3043
3044		/**
3045		* thenCompose result completes exceptionally after exceptional
3046		* completion of source
3047		*/
3048	<	public void testThenCompose2() {
3049	<	CompletableFuture<Integer> f, g;
3050	<	CompletableFutureInc r;
3051	<
3052	<	f = new CompletableFuture<>();
3053	<	g = f.thenCompose(r = new CompletableFutureInc());
3054	<	f.completeExceptionally(new CFException());
3055	<	checkCompletedWithWrappedCFException(g);
3056	<
3057	<	f = new CompletableFuture<>();
3058	<	f.completeExceptionally(new CFException());
3059	<	g = f.thenCompose(r = new CompletableFutureInc());
3060	<	checkCompletedWithWrappedCFException(g);
3061	<	}
3048	>	public void testThenCompose_exceptionalCompletion() {
3049	>	for (ExecutionMode m : ExecutionMode.values())
3050	>	for (boolean createIncomplete : new boolean[] { true, false })
3051	>	{
3052	>	final CFException ex = new CFException();
3053	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3054	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3055	>	if (!createIncomplete) f.completeExceptionally(ex);
3056	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3057	>	if (createIncomplete) f.completeExceptionally(ex);
3058	>
3059	>	checkCompletedWithWrappedException(g, ex);
3060	>	checkCompletedExceptionally(f, ex);
3061	>	r.assertNotInvoked();
3062	>	}}
3063
3064		/**
3065		* thenCompose result completes exceptionally if action does
3066		*/
3067	<	public void testThenCompose3() {
3068	<	CompletableFuture<Integer> f, g;
3069	<	FailingCompletableFutureFunction r;
3070	<
3071	<	f = new CompletableFuture<>();
3072	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3073	<	f.complete(one);
3074	<	checkCompletedWithWrappedCFException(g);
3067	>	public void testThenCompose_actionFailed() {
3068	>	for (ExecutionMode m : ExecutionMode.values())
3069	>	for (boolean createIncomplete : new boolean[] { true, false })
3070	>	for (Integer v1 : new Integer[] { 1, null })
3071	>	{
3072	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3073	>	final FailingCompletableFutureFunction r
3074	>	= new FailingCompletableFutureFunction(m);
3075	>	if (!createIncomplete) assertTrue(f.complete(v1));
3076	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3077	>	if (createIncomplete) assertTrue(f.complete(v1));
3078
3079	<	f = new CompletableFuture<>();
3080	<	f.complete(one);
3081	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2784	<	checkCompletedWithWrappedCFException(g);
2785	<	}
3079	>	checkCompletedWithWrappedException(g, r.ex);
3080	>	checkCompletedNormally(f, v1);
3081	>	}}
3082
3083		/**
3084		* thenCompose result completes exceptionally if source cancelled
3085		*/
3086	<	public void testThenCompose4() {
3087	<	CompletableFuture<Integer> f, g;
3088	<	CompletableFutureInc r;
3089	<
3090	<	f = new CompletableFuture<>();
3091	<	g = f.thenCompose(r = new CompletableFutureInc());
3092	<	assertTrue(f.cancel(true));
3093	<	checkCompletedWithWrappedCancellationException(g);
3094	<
3095	<	f = new CompletableFuture<>();
3096	<	assertTrue(f.cancel(true));
3097	<	g = f.thenCompose(r = new CompletableFutureInc());
3098	<	checkCompletedWithWrappedCancellationException(g);
2803	<	}
2804	<
2805	<	// asyncs
2806	<
2807	<	/**
2808	<	* thenRunAsync result completes normally after normal completion of source
2809	<	*/
2810	<	public void testThenRunAsync() {
2811	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2812	<	Noop r = new Noop();
2813	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2814	<	f.complete(null);
2815	<	checkCompletedNormally(g, null);
2816	<
2817	<	// reordered version
2818	<	f = new CompletableFuture<>();
2819	<	f.complete(null);
2820	<	r = new Noop();
2821	<	g = f.thenRunAsync(r);
2822	<	checkCompletedNormally(g, null);
2823	<	}
2824	<
2825	<	/**
2826	<	* thenRunAsync result completes exceptionally after exceptional
2827	<	* completion of source
2828	<	*/
2829	<	public void testThenRunAsync2() {
2830	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2831	<	Noop r = new Noop();
2832	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2833	<	f.completeExceptionally(new CFException());
2834	<	try {
2835	<	g.join();
2836	<	shouldThrow();
2837	<	} catch (CompletionException success) {}
2838	<	checkCompletedWithWrappedCFException(g);
2839	<	}
2840	<
2841	<	/**
2842	<	* thenRunAsync result completes exceptionally if action does
2843	<	*/
2844	<	public void testThenRunAsync3() {
2845	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2846	<	FailingNoop r = new FailingNoop();
2847	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2848	<	f.complete(null);
2849	<	checkCompletedWithWrappedCFException(g);
2850	<	}
2851	<
2852	<	/**
2853	<	* thenRunAsync result completes exceptionally if source cancelled
2854	<	*/
2855	<	public void testThenRunAsync4() {
2856	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2857	<	Noop r = new Noop();
2858	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2859	<	assertTrue(f.cancel(true));
2860	<	checkCompletedWithWrappedCancellationException(g);
2861	<	}
2862	<
2863	<	/**
2864	<	* thenApplyAsync result completes normally after normal completion of source
2865	<	*/
2866	<	public void testThenApplyAsync() {
2867	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2868	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2869	<	f.complete(one);
2870	<	checkCompletedNormally(g, two);
2871	<	}
2872	<
2873	<	/**
2874	<	* thenApplyAsync result completes exceptionally after exceptional
2875	<	* completion of source
2876	<	*/
2877	<	public void testThenApplyAsync2() {
2878	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2879	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2880	<	f.completeExceptionally(new CFException());
2881	<	checkCompletedWithWrappedCFException(g);
2882	<	}
2883	<
2884	<	/**
2885	<	* thenApplyAsync result completes exceptionally if action does
2886	<	*/
2887	<	public void testThenApplyAsync3() {
2888	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2889	<	FailingFunction r = new FailingFunction();
2890	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2891	<	f.complete(null);
2892	<	checkCompletedWithWrappedCFException(g);
2893	<	}
2894	<
2895	<	/**
2896	<	* thenApplyAsync result completes exceptionally if source cancelled
2897	<	*/
2898	<	public void testThenApplyAsync4() {
2899	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2900	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2901	<	assertTrue(f.cancel(true));
2902	<	checkCompletedWithWrappedCancellationException(g);
2903	<	}
2904	<
2905	<	/**
2906	<	* thenAcceptAsync result completes normally after normal
2907	<	* completion of source
2908	<	*/
2909	<	public void testThenAcceptAsync() {
2910	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2911	<	IncAction r = new IncAction();
2912	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2913	<	f.complete(one);
2914	<	checkCompletedNormally(g, null);
2915	<	assertEquals(r.value, (Integer) 2);
2916	<	}
2917	<
2918	<	/**
2919	<	* thenAcceptAsync result completes exceptionally after exceptional
2920	<	* completion of source
2921	<	*/
2922	<	public void testThenAcceptAsync2() {
2923	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2924	<	IncAction r = new IncAction();
2925	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2926	<	f.completeExceptionally(new CFException());
2927	<	checkCompletedWithWrappedCFException(g);
2928	<	}
2929	<
2930	<	/**
2931	<	* thenAcceptAsync result completes exceptionally if action does
2932	<	*/
2933	<	public void testThenAcceptAsync3() {
2934	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2935	<	FailingConsumer r = new FailingConsumer();
2936	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2937	<	f.complete(null);
2938	<	checkCompletedWithWrappedCFException(g);
2939	<	}
2940	<
2941	<	/**
2942	<	* thenAcceptAsync result completes exceptionally if source cancelled
2943	<	*/
2944	<	public void testThenAcceptAsync4() {
2945	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2946	<	IncAction r = new IncAction();
2947	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2948	<	assertTrue(f.cancel(true));
2949	<	checkCompletedWithWrappedCancellationException(g);
2950	<	}
2951	<
2952	<	/**
2953	<	* thenComposeAsync result completes normally after normal
2954	<	* completion of source
2955	<	*/
2956	<	public void testThenComposeAsync() {
2957	<	CompletableFuture<Integer> f, g;
2958	<	CompletableFutureInc r;
2959	<
2960	<	f = new CompletableFuture<>();
2961	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2962	<	f.complete(one);
2963	<	checkCompletedNormally(g, two);
2964	<
2965	<	f = new CompletableFuture<>();
2966	<	f.complete(one);
2967	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2968	<	checkCompletedNormally(g, two);
2969	<	}
2970	<
2971	<	/**
2972	<	* thenComposeAsync result completes exceptionally after
2973	<	* exceptional completion of source
2974	<	*/
2975	<	public void testThenComposeAsync2() {
2976	<	CompletableFuture<Integer> f, g;
2977	<	CompletableFutureInc r;
2978	<
2979	<	f = new CompletableFuture<>();
2980	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2981	<	f.completeExceptionally(new CFException());
2982	<	checkCompletedWithWrappedCFException(g);
2983	<	assertFalse(r.ran);
2984	<
2985	<	f = new CompletableFuture<>();
2986	<	f.completeExceptionally(new CFException());
2987	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2988	<	checkCompletedWithWrappedCFException(g);
2989	<	assertFalse(r.ran);
2990	<	}
2991	<
2992	<	/**
2993	<	* thenComposeAsync result completes exceptionally if action does
2994	<	*/
2995	<	public void testThenComposeAsync3() {
2996	<	CompletableFuture<Integer> f, g;
2997	<	FailingCompletableFutureFunction r;
2998	<
2999	<	f = new CompletableFuture<>();
3000	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3001	<	f.complete(one);
3002	<	checkCompletedWithWrappedCFException(g);
3003	<
3004	<	f = new CompletableFuture<>();
3005	<	f.complete(one);
3006	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3007	<	checkCompletedWithWrappedCFException(g);
3008	<	}
3009	<
3010	<	/**
3011	<	* thenComposeAsync result completes exceptionally if source cancelled
3012	<	*/
3013	<	public void testThenComposeAsync4() {
3014	<	CompletableFuture<Integer> f, g;
3015	<	CompletableFutureInc r;
3016	<
3017	<	f = new CompletableFuture<>();
3018	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3019	<	assertTrue(f.cancel(true));
3020	<	checkCompletedWithWrappedCancellationException(g);
3021	<
3022	<	f = new CompletableFuture<>();
3023	<	assertTrue(f.cancel(true));
3024	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3025	<	checkCompletedWithWrappedCancellationException(g);
3026	<	}
3027	<
3028	<	// async with explicit executors
3029	<
3030	<	/**
3031	<	* thenRunAsync result completes normally after normal completion of source
3032	<	*/
3033	<	public void testThenRunAsyncE() {
3034	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3035	<	Noop r = new Noop();
3036	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3037	<	f.complete(null);
3038	<	checkCompletedNormally(g, null);
3039	<
3040	<	// reordered version
3041	<	f = new CompletableFuture<>();
3042	<	f.complete(null);
3043	<	r = new Noop();
3044	<	g = f.thenRunAsync(r, new ThreadExecutor());
3045	<	checkCompletedNormally(g, null);
3046	<	}
3047	<
3048	<	/**
3049	<	* thenRunAsync result completes exceptionally after exceptional
3050	<	* completion of source
3051	<	*/
3052	<	public void testThenRunAsync2E() {
3053	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3054	<	Noop r = new Noop();
3055	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3056	<	f.completeExceptionally(new CFException());
3057	<	try {
3058	<	g.join();
3059	<	shouldThrow();
3060	<	} catch (CompletionException success) {}
3061	<	checkCompletedWithWrappedCFException(g);
3062	<	}
3063	<
3064	<	/**
3065	<	* thenRunAsync result completes exceptionally if action does
3066	<	*/
3067	<	public void testThenRunAsync3E() {
3068	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3069	<	FailingNoop r = new FailingNoop();
3070	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3071	<	f.complete(null);
3072	<	checkCompletedWithWrappedCFException(g);
3073	<	}
3086	>	public void testThenCompose_sourceCancelled() {
3087	>	for (ExecutionMode m : ExecutionMode.values())
3088	>	for (boolean createIncomplete : new boolean[] { true, false })
3089	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3090	>	{
3091	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3092	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3093	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3094	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3095	>	if (createIncomplete) {
3096	>	checkIncomplete(g);
3097	>	assertTrue(f.cancel(mayInterruptIfRunning));
3098	>	}
3099
3075	–	/**
3076	–	* thenRunAsync result completes exceptionally if source cancelled
3077	–	*/
3078	–	public void testThenRunAsync4E() {
3079	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3080	–	Noop r = new Noop();
3081	–	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3082	–	assertTrue(f.cancel(true));
3100		checkCompletedWithWrappedCancellationException(g);
3101	<	}
3102	<
3086	<	/**
3087	<	* thenApplyAsync result completes normally after normal completion of source
3088	<	*/
3089	<	public void testThenApplyAsyncE() {
3090	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3091	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3092	<	f.complete(one);
3093	<	checkCompletedNormally(g, two);
3094	<	}
3095	<
3096	<	/**
3097	<	* thenApplyAsync result completes exceptionally after exceptional
3098	<	* completion of source
3099	<	*/
3100	<	public void testThenApplyAsync2E() {
3101	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3102	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3103	<	f.completeExceptionally(new CFException());
3104	<	checkCompletedWithWrappedCFException(g);
3105	<	}
3106	<
3107	<	/**
3108	<	* thenApplyAsync result completes exceptionally if action does
3109	<	*/
3110	<	public void testThenApplyAsync3E() {
3111	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3112	<	FailingFunction r = new FailingFunction();
3113	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3114	<	f.complete(null);
3115	<	checkCompletedWithWrappedCFException(g);
3116	<	}
3101	>	checkCancelled(f);
3102	>	}}
3103
3104		/**
3105	<	* thenApplyAsync result completes exceptionally if source cancelled
3105	>	* thenCompose result completes exceptionally if the result of the action does
3106		*/
3107	<	public void testThenApplyAsync4E() {
3108	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3109	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3110	<	assertTrue(f.cancel(true));
3111	<	checkCompletedWithWrappedCancellationException(g);
3112	<	}
3107	>	public void testThenCompose_actionReturnsFailingFuture() {
3108	>	for (ExecutionMode m : ExecutionMode.values())
3109	>	for (int order = 0; order < 6; order++)
3110	>	for (Integer v1 : new Integer[] { 1, null })
3111	>	{
3112	>	final CFException ex = new CFException();
3113	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3114	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3115	>	final CompletableFuture<Integer> h;
3116	>	// Test all permutations of orders
3117	>	switch (order) {
3118	>	case 0:
3119	>	assertTrue(f.complete(v1));
3120	>	assertTrue(g.completeExceptionally(ex));
3121	>	h = m.thenCompose(f, x -> g);
3122	>	break;
3123	>	case 1:
3124	>	assertTrue(f.complete(v1));
3125	>	h = m.thenCompose(f, x -> g);
3126	>	assertTrue(g.completeExceptionally(ex));
3127	>	break;
3128	>	case 2:
3129	>	assertTrue(g.completeExceptionally(ex));
3130	>	assertTrue(f.complete(v1));
3131	>	h = m.thenCompose(f, x -> g);
3132	>	break;
3133	>	case 3:
3134	>	assertTrue(g.completeExceptionally(ex));
3135	>	h = m.thenCompose(f, x -> g);
3136	>	assertTrue(f.complete(v1));
3137	>	break;
3138	>	case 4:
3139	>	h = m.thenCompose(f, x -> g);
3140	>	assertTrue(f.complete(v1));
3141	>	assertTrue(g.completeExceptionally(ex));
3142	>	break;
3143	>	case 5:
3144	>	h = m.thenCompose(f, x -> g);
3145	>	assertTrue(f.complete(v1));
3146	>	assertTrue(g.completeExceptionally(ex));
3147	>	break;
3148	>	default: throw new AssertionError();
3149	>	}
3150
3151	<	/**
3152	<	* thenAcceptAsync result completes normally after normal
3153	<	* completion of source
3154	<	*/
3132	<	public void testThenAcceptAsyncE() {
3133	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3134	<	IncAction r = new IncAction();
3135	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3136	<	f.complete(one);
3137	<	checkCompletedNormally(g, null);
3138	<	assertEquals(r.value, (Integer) 2);
3139	<	}
3151	>	checkCompletedExceptionally(g, ex);
3152	>	checkCompletedWithWrappedException(h, ex);
3153	>	checkCompletedNormally(f, v1);
3154	>	}}
3155
3156		/**
3157	<	* thenAcceptAsync result completes exceptionally after exceptional
3157	>	* exceptionallyCompose result completes normally after normal
3158		* completion of source
3159		*/
3160	<	public void testThenAcceptAsync2E() {
3161	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3162	<	IncAction r = new IncAction();
3163	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3164	<	f.completeExceptionally(new CFException());
3165	<	checkCompletedWithWrappedCFException(g);
3166	<	}
3167	<
3168	<	/**
3169	<	* thenAcceptAsync result completes exceptionally if action does
3170	<	*/
3156	<	public void testThenAcceptAsync3E() {
3157	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3158	<	FailingConsumer r = new FailingConsumer();
3159	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3160	<	f.complete(null);
3161	<	checkCompletedWithWrappedCFException(g);
3162	<	}
3160	>	public void testExceptionallyCompose_normalCompletion() {
3161	>	for (ExecutionMode m : ExecutionMode.values())
3162	>	for (boolean createIncomplete : new boolean[] { true, false })
3163	>	for (Integer v1 : new Integer[] { 1, null })
3164	>	{
3165	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3166	>	final ExceptionalCompletableFutureFunction r =
3167	>	new ExceptionalCompletableFutureFunction(m);
3168	>	if (!createIncomplete) assertTrue(f.complete(v1));
3169	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3170	>	if (createIncomplete) assertTrue(f.complete(v1));
3171
3172	<	/**
3173	<	* thenAcceptAsync result completes exceptionally if source cancelled
3174	<	*/
3175	<	public void testThenAcceptAsync4E() {
3168	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3169	<	IncAction r = new IncAction();
3170	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3171	<	assertTrue(f.cancel(true));
3172	<	checkCompletedWithWrappedCancellationException(g);
3173	<	}
3172	>	checkCompletedNormally(f, v1);
3173	>	checkCompletedNormally(g, v1);
3174	>	r.assertNotInvoked();
3175	>	}}
3176
3177		/**
3178	<	* thenComposeAsync result completes normally after normal
3178	>	* exceptionallyCompose result completes normally after exceptional
3179		* completion of source
3180		*/
3181	<	public void testThenComposeAsyncE() {
3182	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3183	<	CompletableFutureInc r = new CompletableFutureInc();
3184	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3185	<	f.complete(one);
3186	<	checkCompletedNormally(g, two);
3187	<	}
3188	<
3189	<	/**
3190	<	* thenComposeAsync result completes exceptionally after
3191	<	* exceptional completion of source
3190	<	*/
3191	<	public void testThenComposeAsync2E() {
3192	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3193	<	CompletableFutureInc r = new CompletableFutureInc();
3194	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3195	<	f.completeExceptionally(new CFException());
3196	<	checkCompletedWithWrappedCFException(g);
3197	<	}
3181	>	public void testExceptionallyCompose_exceptionalCompletion() {
3182	>	for (ExecutionMode m : ExecutionMode.values())
3183	>	for (boolean createIncomplete : new boolean[] { true, false })
3184	>	{
3185	>	final CFException ex = new CFException();
3186	>	final ExceptionalCompletableFutureFunction r =
3187	>	new ExceptionalCompletableFutureFunction(m);
3188	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3189	>	if (!createIncomplete) f.completeExceptionally(ex);
3190	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3191	>	if (createIncomplete) f.completeExceptionally(ex);
3192
3193	<	/**
3194	<	* thenComposeAsync result completes exceptionally if action does
3195	<	*/
3196	<	public void testThenComposeAsync3E() {
3203	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3204	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3205	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3206	<	f.complete(one);
3207	<	checkCompletedWithWrappedCFException(g);
3208	<	}
3193	>	checkCompletedExceptionally(f, ex);
3194	>	checkCompletedNormally(g, r.value);
3195	>	r.assertInvoked();
3196	>	}}
3197
3198		/**
3199	<	* thenComposeAsync result completes exceptionally if source cancelled
3199	>	* exceptionallyCompose completes exceptionally on exception if action does
3200		*/
3201	<	public void testThenComposeAsync4E() {
3202	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3203	<	CompletableFutureInc r = new CompletableFutureInc();
3204	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3205	<	assertTrue(f.cancel(true));
3206	<	checkCompletedWithWrappedCancellationException(g);
3207	<	}
3201	>	public void testExceptionallyCompose_actionFailed() {
3202	>	for (ExecutionMode m : ExecutionMode.values())
3203	>	for (boolean createIncomplete : new boolean[] { true, false })
3204	>	{
3205	>	final CFException ex = new CFException();
3206	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3207	>	final FailingExceptionalCompletableFutureFunction r
3208	>	= new FailingExceptionalCompletableFutureFunction(m);
3209	>	if (!createIncomplete) f.completeExceptionally(ex);
3210	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3211	>	if (createIncomplete) f.completeExceptionally(ex);
3212	>
3213	>	checkCompletedExceptionally(f, ex);
3214	>	checkCompletedWithWrappedException(g, r.ex);
3215	>	r.assertInvoked();
3216	>	}}
3217	>
3218	>	/**
3219	>	* exceptionallyCompose result completes exceptionally if the
3220	>	* result of the action does
3221	>	*/
3222	>	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3223	>	for (ExecutionMode m : ExecutionMode.values())
3224	>	for (int order = 0; order < 6; order++)
3225	>	{
3226	>	final CFException ex0 = new CFException();
3227	>	final CFException ex = new CFException();
3228	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3229	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3230	>	final CompletableFuture<Integer> h;
3231	>	// Test all permutations of orders
3232	>	switch (order) {
3233	>	case 0:
3234	>	assertTrue(f.completeExceptionally(ex0));
3235	>	assertTrue(g.completeExceptionally(ex));
3236	>	h = m.exceptionallyCompose(f, x -> g);
3237	>	break;
3238	>	case 1:
3239	>	assertTrue(f.completeExceptionally(ex0));
3240	>	h = m.exceptionallyCompose(f, x -> g);
3241	>	assertTrue(g.completeExceptionally(ex));
3242	>	break;
3243	>	case 2:
3244	>	assertTrue(g.completeExceptionally(ex));
3245	>	assertTrue(f.completeExceptionally(ex0));
3246	>	h = m.exceptionallyCompose(f, x -> g);
3247	>	break;
3248	>	case 3:
3249	>	assertTrue(g.completeExceptionally(ex));
3250	>	h = m.exceptionallyCompose(f, x -> g);
3251	>	assertTrue(f.completeExceptionally(ex0));
3252	>	break;
3253	>	case 4:
3254	>	h = m.exceptionallyCompose(f, x -> g);
3255	>	assertTrue(f.completeExceptionally(ex0));
3256	>	assertTrue(g.completeExceptionally(ex));
3257	>	break;
3258	>	case 5:
3259	>	h = m.exceptionallyCompose(f, x -> g);
3260	>	assertTrue(f.completeExceptionally(ex0));
3261	>	assertTrue(g.completeExceptionally(ex));
3262	>	break;
3263	>	default: throw new AssertionError();
3264	>	}
3265	>
3266	>	checkCompletedExceptionally(g, ex);
3267	>	checkCompletedWithWrappedException(h, ex);
3268	>	checkCompletedExceptionally(f, ex0);
3269	>	}}
3270
3271		// other static methods
3272
#	Line 3234 | Line 3284 | public class CompletableFutureTest exten
3284		* when all components complete normally
3285		*/
3286		public void testAllOf_normal() throws Exception {
3287	<	for (int k = 1; k < 20; ++k) {
3288	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3289	<	for (int i = 0; i < k; ++i)
3287	>	for (int k = 1; k < 10; k++) {
3288	>	CompletableFuture<Integer>[] fs
3289	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3290	>	for (int i = 0; i < k; i++)
3291	>	fs[i] = new CompletableFuture<>();
3292	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3293	>	for (int i = 0; i < k; i++) {
3294	>	checkIncomplete(f);
3295	>	checkIncomplete(CompletableFuture.allOf(fs));
3296	>	fs[i].complete(one);
3297	>	}
3298	>	checkCompletedNormally(f, null);
3299	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3300	>	}
3301	>	}
3302	>
3303	>	public void testAllOf_normal_backwards() throws Exception {
3304	>	for (int k = 1; k < 10; k++) {
3305	>	CompletableFuture<Integer>[] fs
3306	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3307	>	for (int i = 0; i < k; i++)
3308		fs[i] = new CompletableFuture<>();
3309		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3310	<	for (int i = 0; i < k; ++i) {
3310	>	for (int i = k - 1; i >= 0; i--) {
3311		checkIncomplete(f);
3312		checkIncomplete(CompletableFuture.allOf(fs));
3313		fs[i].complete(one);
#	Line 3249 | Line 3317 | public class CompletableFutureTest exten
3317		}
3318		}
3319
3320	+	public void testAllOf_exceptional() throws Exception {
3321	+	for (int k = 1; k < 10; k++) {
3322	+	CompletableFuture<Integer>[] fs
3323	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3324	+	CFException ex = new CFException();
3325	+	for (int i = 0; i < k; i++)
3326	+	fs[i] = new CompletableFuture<>();
3327	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3328	+	for (int i = 0; i < k; i++) {
3329	+	checkIncomplete(f);
3330	+	checkIncomplete(CompletableFuture.allOf(fs));
3331	+	if (i != k / 2) {
3332	+	fs[i].complete(i);
3333	+	checkCompletedNormally(fs[i], i);
3334	+	} else {
3335	+	fs[i].completeExceptionally(ex);
3336	+	checkCompletedExceptionally(fs[i], ex);
3337	+	}
3338	+	}
3339	+	checkCompletedWithWrappedException(f, ex);
3340	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3341	+	}
3342	+	}
3343	+
3344		/**
3345		* anyOf(no component futures) returns an incomplete future
3346		*/
3347		public void testAnyOf_empty() throws Exception {
3348	+	for (Integer v1 : new Integer[] { 1, null })
3349	+	{
3350		CompletableFuture<Object> f = CompletableFuture.anyOf();
3351		checkIncomplete(f);
3352	<	}
3352	>
3353	>	f.complete(v1);
3354	>	checkCompletedNormally(f, v1);
3355	>	}}
3356
3357		/**
3358		* anyOf returns a future completed normally with a value when
3359		* a component future does
3360		*/
3361		public void testAnyOf_normal() throws Exception {
3362	<	for (int k = 0; k < 10; ++k) {
3362	>	for (int k = 0; k < 10; k++) {
3363		CompletableFuture[] fs = new CompletableFuture[k];
3364	<	for (int i = 0; i < k; ++i)
3364	>	for (int i = 0; i < k; i++)
3365		fs[i] = new CompletableFuture<>();
3366		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3367		checkIncomplete(f);
3368	<	for (int i = 0; i < k; ++i) {
3369	<	fs[i].complete(one);
3370	<	checkCompletedNormally(f, one);
3371	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3368	>	for (int i = 0; i < k; i++) {
3369	>	fs[i].complete(i);
3370	>	checkCompletedNormally(f, 0);
3371	>	int x = (int) CompletableFuture.anyOf(fs).join();
3372	>	assertTrue(0 <= x && x <= i);
3373	>	}
3374	>	}
3375	>	}
3376	>	public void testAnyOf_normal_backwards() throws Exception {
3377	>	for (int k = 0; k < 10; k++) {
3378	>	CompletableFuture[] fs = new CompletableFuture[k];
3379	>	for (int i = 0; i < k; i++)
3380	>	fs[i] = new CompletableFuture<>();
3381	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3382	>	checkIncomplete(f);
3383	>	for (int i = k - 1; i >= 0; i--) {
3384	>	fs[i].complete(i);
3385	>	checkCompletedNormally(f, k - 1);
3386	>	int x = (int) CompletableFuture.anyOf(fs).join();
3387	>	assertTrue(i <= x && x <= k - 1);
3388		}
3389		}
3390		}
#	Line 3280 | Line 3393 | public class CompletableFutureTest exten
3393		* anyOf result completes exceptionally when any component does.
3394		*/
3395		public void testAnyOf_exceptional() throws Exception {
3396	<	for (int k = 0; k < 10; ++k) {
3396	>	for (int k = 0; k < 10; k++) {
3397		CompletableFuture[] fs = new CompletableFuture[k];
3398	<	for (int i = 0; i < k; ++i)
3398	>	CFException[] exs = new CFException[k];
3399	>	for (int i = 0; i < k; i++) {
3400		fs[i] = new CompletableFuture<>();
3401	+	exs[i] = new CFException();
3402	+	}
3403	+	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3404	+	checkIncomplete(f);
3405	+	for (int i = 0; i < k; i++) {
3406	+	fs[i].completeExceptionally(exs[i]);
3407	+	checkCompletedWithWrappedException(f, exs[0]);
3408	+	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3409	+	}
3410	+	}
3411	+	}
3412	+
3413	+	public void testAnyOf_exceptional_backwards() throws Exception {
3414	+	for (int k = 0; k < 10; k++) {
3415	+	CompletableFuture[] fs = new CompletableFuture[k];
3416	+	CFException[] exs = new CFException[k];
3417	+	for (int i = 0; i < k; i++) {
3418	+	fs[i] = new CompletableFuture<>();
3419	+	exs[i] = new CFException();
3420	+	}
3421		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3422		checkIncomplete(f);
3423	<	for (int i = 0; i < k; ++i) {
3424	<	fs[i].completeExceptionally(new CFException());
3425	<	checkCompletedWithWrappedCFException(f);
3423	>	for (int i = k - 1; i >= 0; i--) {
3424	>	fs[i].completeExceptionally(exs[i]);
3425	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3426		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3427		}
3428		}
#	Line 3297 | Line 3431 | public class CompletableFutureTest exten
3431		/**
3432		* Completion methods throw NullPointerException with null arguments
3433		*/
3434	+	@SuppressWarnings("FutureReturnValueIgnored")
3435		public void testNPE() {
3436		CompletableFuture<Integer> f = new CompletableFuture<>();
3437		CompletableFuture<Integer> g = new CompletableFuture<>();
3438		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3304	–	CompletableFuture<?> h;
3439		ThreadExecutor exec = new ThreadExecutor();
3440
3441	<	Runnable[] throwingActions = {
3441	>	assertThrows(
3442	>	NullPointerException.class,
3443	>
3444		() -> CompletableFuture.supplyAsync(null),
3445		() -> CompletableFuture.supplyAsync(null, exec),
3446	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3446	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3447
3448		() -> CompletableFuture.runAsync(null),
3449		() -> CompletableFuture.runAsync(null, exec),
#	Line 3317 | Line 3453 | public class CompletableFutureTest exten
3453
3454		() -> f.thenApply(null),
3455		() -> f.thenApplyAsync(null),
3456	<	() -> f.thenApplyAsync((x) -> x, null),
3456	>	() -> f.thenApplyAsync(x -> x, null),
3457		() -> f.thenApplyAsync(null, exec),
3458
3459		() -> f.thenAccept(null),
3460		() -> f.thenAcceptAsync(null),
3461	<	() -> f.thenAcceptAsync((x) -> {} , null),
3461	>	() -> f.thenAcceptAsync(x -> {} , null),
3462		() -> f.thenAcceptAsync(null, exec),
3463
3464		() -> f.thenRun(null),
#	Line 3357 | Line 3493 | public class CompletableFutureTest exten
3493		() -> f.applyToEither(g, null),
3494		() -> f.applyToEitherAsync(g, null),
3495		() -> f.applyToEitherAsync(g, null, exec),
3496	<	() -> f.applyToEither(nullFuture, (x) -> x),
3497	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3498	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3499	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3496	>	() -> f.applyToEither(nullFuture, x -> x),
3497	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3498	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3499	>	() -> f.applyToEitherAsync(g, x -> x, null),
3500
3501		() -> f.acceptEither(g, null),
3502		() -> f.acceptEitherAsync(g, null),
3503		() -> f.acceptEitherAsync(g, null, exec),
3504	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3505	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3506	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3507	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3504	>	() -> f.acceptEither(nullFuture, x -> {}),
3505	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3506	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3507	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3508
3509		() -> f.runAfterEither(g, null),
3510		() -> f.runAfterEitherAsync(g, null),
#	Line 3380 | Line 3516 | public class CompletableFutureTest exten
3516
3517		() -> f.thenCompose(null),
3518		() -> f.thenComposeAsync(null),
3519	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3519	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3520		() -> f.thenComposeAsync(null, exec),
3521
3522		() -> f.exceptionally(null),
#	Line 3398 | Line 3534 | public class CompletableFutureTest exten
3534		() -> CompletableFuture.anyOf(null, f),
3535
3536		() -> f.obtrudeException(null),
3401	–	};
3537
3538	<	assertThrows(NullPointerException.class, throwingActions);
3538	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3539	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3540	>	() -> CompletableFuture.delayedExecutor(1L, null),
3541	>
3542	>	() -> f.orTimeout(1L, null),
3543	>	() -> f.completeOnTimeout(42, 1L, null),
3544	>
3545	>	() -> CompletableFuture.failedFuture(null),
3546	>	() -> CompletableFuture.failedStage(null));
3547	>
3548		assertEquals(0, exec.count.get());
3549		}
3550
3551		/**
3552	+	* Test submissions to an executor that rejects all tasks.
3553	+	*/
3554	+	public void testRejectingExecutor() {
3555	+	for (Integer v : new Integer[] { 1, null })
3556	+	{
3557	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3558	+
3559	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3560	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3561	+
3562	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3563	+
3564	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3565	+	srcs.add(complete);
3566	+	srcs.add(incomplete);
3567	+
3568	+	for (CompletableFuture<Integer> src : srcs) {
3569	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3570	+	fs.add(src.thenRunAsync(() -> {}, e));
3571	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3572	+	fs.add(src.thenApplyAsync(z -> z, e));
3573	+
3574	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3575	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3576	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3577	+
3578	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3579	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3580	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3581	+
3582	+	fs.add(src.thenComposeAsync(z -> null, e));
3583	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3584	+	fs.add(src.handleAsync((z, t) -> null, e));
3585	+
3586	+	for (CompletableFuture<?> future : fs) {
3587	+	if (src.isDone())
3588	+	checkCompletedWithWrappedException(future, e.ex);
3589	+	else
3590	+	checkIncomplete(future);
3591	+	}
3592	+	futures.addAll(fs);
3593	+	}
3594	+
3595	+	{
3596	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3597	+
3598	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3599	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3600	+
3601	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3602	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3603	+
3604	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3605	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3606	+
3607	+	for (CompletableFuture<?> future : fs)
3608	+	checkIncomplete(future);
3609	+	futures.addAll(fs);
3610	+	}
3611	+
3612	+	{
3613	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3614	+
3615	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3616	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3617	+
3618	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3619	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3620	+
3621	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3622	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3623	+
3624	+	for (CompletableFuture<?> future : fs)
3625	+	checkCompletedWithWrappedException(future, e.ex);
3626	+	futures.addAll(fs);
3627	+	}
3628	+
3629	+	incomplete.complete(v);
3630	+
3631	+	for (CompletableFuture<?> future : futures)
3632	+	checkCompletedWithWrappedException(future, e.ex);
3633	+
3634	+	assertEquals(futures.size(), e.count.get());
3635	+	}}
3636	+
3637	+	/**
3638	+	* Test submissions to an executor that rejects all tasks, but
3639	+	* should never be invoked because the dependent future is
3640	+	* explicitly completed.
3641	+	*/
3642	+	public void testRejectingExecutorNeverInvoked() {
3643	+	for (Integer v : new Integer[] { 1, null })
3644	+	{
3645	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3646	+
3647	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3648	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3649	+
3650	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3651	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3652	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3653	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3654	+
3655	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3656	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3657	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3658	+
3659	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3660	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3661	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3662	+
3663	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3664	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3665	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3666	+
3667	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3668	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3669	+
3670	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3671	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3672	+
3673	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3674	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3675	+
3676	+	for (CompletableFuture<?> future : fs)
3677	+	checkIncomplete(future);
3678	+
3679	+	for (CompletableFuture<?> future : fs)
3680	+	future.complete(null);
3681	+
3682	+	incomplete.complete(v);
3683	+
3684	+	for (CompletableFuture<?> future : fs)
3685	+	checkCompletedNormally(future, null);
3686	+
3687	+	assertEquals(0, e.count.get());
3688	+	}}
3689	+
3690	+	/**
3691		* toCompletableFuture returns this CompletableFuture.
3692		*/
3693		public void testToCompletableFuture() {
#	Line 3412 | Line 3695 | public class CompletableFutureTest exten
3695		assertSame(f, f.toCompletableFuture());
3696		}
3697
3698	+	// jdk9
3699	+
3700		/**
3701	<	* whenComplete action executes on normal completion, propagating
3417	<	* source result.
3701	>	* newIncompleteFuture returns an incomplete CompletableFuture
3702		*/
3703	<	public void testWhenComplete_normalCompletion1() {
3704	<	for (ExecutionMode m : ExecutionMode.values())
3705	<	for (Integer v1 : new Integer[] { 1, null }) {
3706	<
3707	<	final AtomicInteger a = new AtomicInteger();
3708	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3709	<	final CompletableFuture<Integer> g =
3426	<	m.whenComplete(f,
3427	<	(Integer x, Throwable t) -> {
3428	<	threadAssertSame(x, v1);
3429	<	threadAssertNull(t);
3430	<	a.getAndIncrement();
3431	<	});
3703	>	public void testNewIncompleteFuture() {
3704	>	for (Integer v1 : new Integer[] { 1, null })
3705	>	{
3706	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3707	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3708	>	checkIncomplete(f);
3709	>	checkIncomplete(g);
3710		f.complete(v1);
3711		checkCompletedNormally(f, v1);
3712	+	checkIncomplete(g);
3713	+	g.complete(v1);
3714	+	checkCompletedNormally(g, v1);
3715	+	assertSame(g.getClass(), CompletableFuture.class);
3716	+	}}
3717	+
3718	+	/**
3719	+	* completedStage returns a completed CompletionStage
3720	+	*/
3721	+	public void testCompletedStage() {
3722	+	AtomicInteger x = new AtomicInteger(0);
3723	+	AtomicReference<Throwable> r = new AtomicReference<>();
3724	+	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3725	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3726	+	assertEquals(x.get(), 1);
3727	+	assertNull(r.get());
3728	+	}
3729	+
3730	+	/**
3731	+	* defaultExecutor by default returns the commonPool if
3732	+	* it supports more than one thread.
3733	+	*/
3734	+	public void testDefaultExecutor() {
3735	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3736	+	Executor e = f.defaultExecutor();
3737	+	Executor c = ForkJoinPool.commonPool();
3738	+	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3739	+	assertSame(e, c);
3740	+	else
3741	+	assertNotSame(e, c);
3742	+	}
3743	+
3744	+	/**
3745	+	* failedFuture returns a CompletableFuture completed
3746	+	* exceptionally with the given Exception
3747	+	*/
3748	+	public void testFailedFuture() {
3749	+	CFException ex = new CFException();
3750	+	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3751	+	checkCompletedExceptionally(f, ex);
3752	+	}
3753	+
3754	+	/**
3755	+	* failedFuture(null) throws NPE
3756	+	*/
3757	+	public void testFailedFuture_null() {
3758	+	try {
3759	+	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3760	+	shouldThrow();
3761	+	} catch (NullPointerException success) {}
3762	+	}
3763	+
3764	+	/**
3765	+	* copy returns a CompletableFuture that is completed normally,
3766	+	* with the same value, when source is.
3767	+	*/
3768	+	public void testCopy_normalCompletion() {
3769	+	for (boolean createIncomplete : new boolean[] { true, false })
3770	+	for (Integer v1 : new Integer[] { 1, null })
3771	+	{
3772	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3773	+	if (!createIncomplete) assertTrue(f.complete(v1));
3774	+	CompletableFuture<Integer> g = f.copy();
3775	+	if (createIncomplete) {
3776	+	checkIncomplete(f);
3777	+	checkIncomplete(g);
3778	+	assertTrue(f.complete(v1));
3779	+	}
3780	+	checkCompletedNormally(f, v1);
3781		checkCompletedNormally(g, v1);
3782	<	assertEquals(a.get(), 1);
3782	>	}}
3783	>
3784	>	/**
3785	>	* copy returns a CompletableFuture that is completed exceptionally
3786	>	* when source is.
3787	>	*/
3788	>	public void testCopy_exceptionalCompletion() {
3789	>	for (boolean createIncomplete : new boolean[] { true, false })
3790	>	{
3791	>	CFException ex = new CFException();
3792	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3793	>	if (!createIncomplete) f.completeExceptionally(ex);
3794	>	CompletableFuture<Integer> g = f.copy();
3795	>	if (createIncomplete) {
3796	>	checkIncomplete(f);
3797	>	checkIncomplete(g);
3798	>	f.completeExceptionally(ex);
3799		}
3800	+	checkCompletedExceptionally(f, ex);
3801	+	checkCompletedWithWrappedException(g, ex);
3802	+	}}
3803	+
3804	+	/**
3805	+	* Completion of a copy does not complete its source.
3806	+	*/
3807	+	public void testCopy_oneWayPropagation() {
3808	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3809	+	assertTrue(f.copy().complete(1));
3810	+	assertTrue(f.copy().complete(null));
3811	+	assertTrue(f.copy().cancel(true));
3812	+	assertTrue(f.copy().cancel(false));
3813	+	assertTrue(f.copy().completeExceptionally(new CFException()));
3814	+	checkIncomplete(f);
3815		}
3816
3817		/**
3818	<	* whenComplete action executes on exceptional completion, propagating
3819	<	* source result.
3818	>	* minimalCompletionStage returns a CompletableFuture that is
3819	>	* completed normally, with the same value, when source is.
3820		*/
3821	<	public void testWhenComplete_exceptionalCompletion() {
3822	<	for (ExecutionMode m : ExecutionMode.values())
3823	<	for (Integer v1 : new Integer[] { 1, null }) {
3821	>	public void testMinimalCompletionStage() {
3822	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3823	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3824	>	AtomicInteger x = new AtomicInteger(0);
3825	>	AtomicReference<Throwable> r = new AtomicReference<>();
3826	>	checkIncomplete(f);
3827	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3828	>	f.complete(1);
3829	>	checkCompletedNormally(f, 1);
3830	>	assertEquals(x.get(), 1);
3831	>	assertNull(r.get());
3832	>	}
3833
3834	<	final AtomicInteger a = new AtomicInteger();
3835	<	final CFException ex = new CFException();
3836	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3837	<	final CompletableFuture<Integer> g = m.whenComplete
3838	<	(f,
3839	<	(Integer x, Throwable t) -> {
3840	<	threadAssertNull(x);
3841	<	threadAssertSame(t, ex);
3842	<	a.getAndIncrement();
3843	<	});
3834	>	/**
3835	>	* minimalCompletionStage returns a CompletableFuture that is
3836	>	* completed exceptionally when source is.
3837	>	*/
3838	>	public void testMinimalCompletionStage2() {
3839	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3840	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3841	>	AtomicInteger x = new AtomicInteger(0);
3842	>	AtomicReference<Throwable> r = new AtomicReference<>();
3843	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3844	>	checkIncomplete(f);
3845	>	CFException ex = new CFException();
3846		f.completeExceptionally(ex);
3847	<	checkCompletedWithWrappedCFException(f, ex);
3848	<	checkCompletedWithWrappedCFException(g, ex);
3849	<	assertEquals(a.get(), 1);
3461	<	}
3847	>	checkCompletedExceptionally(f, ex);
3848	>	assertEquals(x.get(), 0);
3849	>	assertEquals(r.get().getCause(), ex);
3850		}
3851
3852		/**
3853	<	* If a whenComplete action throws an exception when triggered by
3854	<	* a normal completion, it completes exceptionally
3853	>	* failedStage returns a CompletionStage completed
3854	>	* exceptionally with the given Exception
3855		*/
3856	<	public void testWhenComplete_actionFailed() {
3857	<	for (ExecutionMode m : ExecutionMode.values())
3858	<	for (Integer v1 : new Integer[] { 1, null }) {
3856	>	public void testFailedStage() {
3857	>	CFException ex = new CFException();
3858	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3859	>	AtomicInteger x = new AtomicInteger(0);
3860	>	AtomicReference<Throwable> r = new AtomicReference<>();
3861	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3862	>	assertEquals(x.get(), 0);
3863	>	assertEquals(r.get(), ex);
3864	>	}
3865
3866	<	final CFException ex = new CFException();
3867	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3868	<	final CompletableFuture<Integer> g = m.whenComplete
3869	<	(f,
3870	<	(Integer x, Throwable t) -> {
3871	<	threadAssertSame(x, v1);
3872	<	threadAssertNull(t);
3873	<	throw ex;
3874	<	});
3866	>	/**
3867	>	* completeAsync completes with value of given supplier
3868	>	*/
3869	>	public void testCompleteAsync() {
3870	>	for (Integer v1 : new Integer[] { 1, null })
3871	>	{
3872	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3873	>	f.completeAsync(() -> v1);
3874	>	f.join();
3875	>	checkCompletedNormally(f, v1);
3876	>	}}
3877	>
3878	>	/**
3879	>	* completeAsync completes exceptionally if given supplier throws
3880	>	*/
3881	>	public void testCompleteAsync2() {
3882	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3883	>	CFException ex = new CFException();
3884	>	f.completeAsync(() -> { throw ex; });
3885	>	try {
3886	>	f.join();
3887	>	shouldThrow();
3888	>	} catch (CompletionException success) {}
3889	>	checkCompletedWithWrappedException(f, ex);
3890	>	}
3891	>
3892	>	/**
3893	>	* completeAsync with given executor completes with value of given supplier
3894	>	*/
3895	>	public void testCompleteAsync3() {
3896	>	for (Integer v1 : new Integer[] { 1, null })
3897	>	{
3898	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3899	>	ThreadExecutor executor = new ThreadExecutor();
3900	>	f.completeAsync(() -> v1, executor);
3901	>	assertSame(v1, f.join());
3902	>	checkCompletedNormally(f, v1);
3903	>	assertEquals(1, executor.count.get());
3904	>	}}
3905	>
3906	>	/**
3907	>	* completeAsync with given executor completes exceptionally if
3908	>	* given supplier throws
3909	>	*/
3910	>	public void testCompleteAsync4() {
3911	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3912	>	CFException ex = new CFException();
3913	>	ThreadExecutor executor = new ThreadExecutor();
3914	>	f.completeAsync(() -> { throw ex; }, executor);
3915	>	try {
3916	>	f.join();
3917	>	shouldThrow();
3918	>	} catch (CompletionException success) {}
3919	>	checkCompletedWithWrappedException(f, ex);
3920	>	assertEquals(1, executor.count.get());
3921	>	}
3922	>
3923	>	/**
3924	>	* orTimeout completes with TimeoutException if not complete
3925	>	*/
3926	>	public void testOrTimeout_timesOut() {
3927	>	long timeoutMillis = timeoutMillis();
3928	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3929	>	long startTime = System.nanoTime();
3930	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3931	>	checkCompletedWithTimeoutException(f);
3932	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3933	>	}
3934	>
3935	>	/**
3936	>	* orTimeout completes normally if completed before timeout
3937	>	*/
3938	>	public void testOrTimeout_completed() {
3939	>	for (Integer v1 : new Integer[] { 1, null })
3940	>	{
3941	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3942	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3943	>	long startTime = System.nanoTime();
3944		f.complete(v1);
3945	+	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3946	+	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3947	+	g.complete(v1);
3948		checkCompletedNormally(f, v1);
3949	<	checkCompletedWithWrappedCFException(g, ex);
3950	<	}
3949	>	checkCompletedNormally(g, v1);
3950	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3951	>	}}
3952	>
3953	>	/**
3954	>	* completeOnTimeout completes with given value if not complete
3955	>	*/
3956	>	public void testCompleteOnTimeout_timesOut() {
3957	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3958	>	() -> testCompleteOnTimeout_timesOut(null));
3959		}
3960
3961		/**
3962	<	* If a whenComplete action throws an exception when triggered by
3963	<	* a source completion that also throws an exception, the source
3964	<	* exception takes precedence.
3962	>	* completeOnTimeout completes with given value if not complete
3963	>	*/
3964	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3965	>	long timeoutMillis = timeoutMillis();
3966	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3967	>	long startTime = System.nanoTime();
3968	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3969	>	assertSame(v, f.join());
3970	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3971	>	f.complete(99);         // should have no effect
3972	>	checkCompletedNormally(f, v);
3973	>	}
3974	>
3975	>	/**
3976	>	* completeOnTimeout has no effect if completed within timeout
3977		*/
3978	<	public void testWhenComplete_actionFailedSourceFailed() {
3978	>	public void testCompleteOnTimeout_completed() {
3979	>	for (Integer v1 : new Integer[] { 1, null })
3980	>	{
3981	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3982	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3983	>	long startTime = System.nanoTime();
3984	>	f.complete(v1);
3985	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3986	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3987	>	g.complete(v1);
3988	>	checkCompletedNormally(f, v1);
3989	>	checkCompletedNormally(g, v1);
3990	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3991	>	}}
3992	>
3993	>	/**
3994	>	* delayedExecutor returns an executor that delays submission
3995	>	*/
3996	>	public void testDelayedExecutor() {
3997	>	testInParallel(() -> testDelayedExecutor(null, null),
3998	>	() -> testDelayedExecutor(null, 1),
3999	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
4000	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
4001	>	}
4002	>
4003	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
4004	>	long timeoutMillis = timeoutMillis();
4005	>	// Use an "unreasonably long" long timeout to catch lingering threads
4006	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
4007	>	final Executor delayer, longDelayer;
4008	>	if (executor == null) {
4009	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
4010	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
4011	>	} else {
4012	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
4013	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
4014	>	}
4015	>	long startTime = System.nanoTime();
4016	>	CompletableFuture<Integer> f =
4017	>	CompletableFuture.supplyAsync(() -> v, delayer);
4018	>	CompletableFuture<Integer> g =
4019	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
4020	>
4021	>	assertNull(g.getNow(null));
4022	>
4023	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
4024	>	long millisElapsed = millisElapsedSince(startTime);
4025	>	assertTrue(millisElapsed >= timeoutMillis);
4026	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
4027	>
4028	>	checkCompletedNormally(f, v);
4029	>
4030	>	checkIncomplete(g);
4031	>	assertTrue(g.cancel(true));
4032	>	}
4033	>
4034	>	//--- tests of implementation details; not part of official tck ---
4035	>
4036	>	Object resultOf(CompletableFuture<?> f) {
4037	>	SecurityManager sm = System.getSecurityManager();
4038	>	if (sm != null) {
4039	>	try {
4040	>	System.setSecurityManager(null);
4041	>	} catch (SecurityException giveUp) {
4042	>	return "Reflection not available";
4043	>	}
4044	>	}
4045	>
4046	>	try {
4047	>	java.lang.reflect.Field resultField
4048	>	= CompletableFuture.class.getDeclaredField("result");
4049	>	resultField.setAccessible(true);
4050	>	return resultField.get(f);
4051	>	} catch (Throwable t) {
4052	>	throw new AssertionError(t);
4053	>	} finally {
4054	>	if (sm != null) System.setSecurityManager(sm);
4055	>	}
4056	>	}
4057	>
4058	>	public void testExceptionPropagationReusesResultObject() {
4059	>	if (!testImplementationDetails) return;
4060		for (ExecutionMode m : ExecutionMode.values())
4061	<	for (Integer v1 : new Integer[] { 1, null }) {
4061	>	{
4062	>	final CFException ex = new CFException();
4063	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4064	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4065	>
4066	>	final Runnable noopRunnable = new Noop(m);
4067	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4068	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4069	>
4070	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4071	>	= new ArrayList<>();
4072	>
4073	>	funs.add(y -> m.thenRun(y, noopRunnable));
4074	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4075	>	funs.add(y -> m.thenApply(y, incFunction));
4076	>
4077	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4078	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4079	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4080	>
4081	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4082	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4083	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4084	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4085	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4086	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4087	>
4088	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4089	>
4090	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4091	>
4092	>	funs.add(y -> CompletableFuture.allOf(y));
4093	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4094	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4095	>	funs.add(y -> CompletableFuture.anyOf(y));
4096	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4097	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4098	>
4099	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4100	>	fun : funs) {
4101	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4102	>	f.completeExceptionally(ex);
4103	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4104	>	checkCompletedWithWrappedException(src, ex);
4105	>	CompletableFuture<?> dep = fun.apply(src);
4106	>	checkCompletedWithWrappedException(dep, ex);
4107	>	assertSame(resultOf(src), resultOf(dep));
4108	>	}
4109	>
4110	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4111	>	fun : funs) {
4112	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4113	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4114	>	CompletableFuture<?> dep = fun.apply(src);
4115	>	f.completeExceptionally(ex);
4116	>	checkCompletedWithWrappedException(src, ex);
4117	>	checkCompletedWithWrappedException(dep, ex);
4118	>	assertSame(resultOf(src), resultOf(dep));
4119	>	}
4120	>
4121	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4122	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4123	>	fun : funs) {
4124	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4125	>	f.cancel(mayInterruptIfRunning);
4126	>	checkCancelled(f);
4127	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4128	>	checkCompletedWithWrappedCancellationException(src);
4129	>	CompletableFuture<?> dep = fun.apply(src);
4130	>	checkCompletedWithWrappedCancellationException(dep);
4131	>	assertSame(resultOf(src), resultOf(dep));
4132	>	}
4133	>
4134	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4135	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4136	>	fun : funs) {
4137	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4138	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4139	>	CompletableFuture<?> dep = fun.apply(src);
4140	>	f.cancel(mayInterruptIfRunning);
4141	>	checkCancelled(f);
4142	>	checkCompletedWithWrappedCancellationException(src);
4143	>	checkCompletedWithWrappedCancellationException(dep);
4144	>	assertSame(resultOf(src), resultOf(dep));
4145	>	}
4146	>	}}
4147	>
4148	>	/**
4149	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4150	>	*/
4151	>	public void testMinimalCompletionStage_minimality() {
4152	>	if (!testImplementationDetails) return;
4153	>	Function<Method, String> toSignature =
4154	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4155	>	Predicate<Method> isNotStatic =
4156	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4157	>	List<Method> minimalMethods =
4158	>	Stream.of(Object.class, CompletionStage.class)
4159	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4160	>	.filter(isNotStatic)
4161	>	.collect(Collectors.toList());
4162	>	// Methods from CompletableFuture permitted NOT to throw UOE
4163	>	String[] signatureWhitelist = {
4164	>	"newIncompleteFuture[]",
4165	>	"defaultExecutor[]",
4166	>	"minimalCompletionStage[]",
4167	>	"copy[]",
4168	>	};
4169	>	Set<String> permittedMethodSignatures =
4170	>	Stream.concat(minimalMethods.stream().map(toSignature),
4171	>	Stream.of(signatureWhitelist))
4172	>	.collect(Collectors.toSet());
4173	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4174	>	.filter(isNotStatic)
4175	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4176	>	.collect(Collectors.toList());
4177	>
4178	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4179	>	CompletionStage<Integer> min =
4180	>	new CompletableFuture<Integer>().minimalCompletionStage();
4181	>	stages.add(min);
4182	>	stages.add(min.thenApply(x -> x));
4183	>	stages.add(CompletableFuture.completedStage(1));
4184	>	stages.add(CompletableFuture.failedStage(new CFException()));
4185	>
4186	>	List<Method> bugs = new ArrayList<>();
4187	>	for (Method method : allMethods) {
4188	>	Class<?>[] parameterTypes = method.getParameterTypes();
4189	>	Object[] args = new Object[parameterTypes.length];
4190	>	// Manufacture boxed primitives for primitive params
4191	>	for (int i = 0; i < args.length; i++) {
4192	>	Class<?> type = parameterTypes[i];
4193	>	if (parameterTypes[i] == boolean.class)
4194	>	args[i] = false;
4195	>	else if (parameterTypes[i] == int.class)
4196	>	args[i] = 0;
4197	>	else if (parameterTypes[i] == long.class)
4198	>	args[i] = 0L;
4199	>	}
4200	>	for (CompletionStage<Integer> stage : stages) {
4201	>	try {
4202	>	method.invoke(stage, args);
4203	>	bugs.add(method);
4204	>	}
4205	>	catch (java.lang.reflect.InvocationTargetException expected) {
4206	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4207	>	bugs.add(method);
4208	>	// expected.getCause().printStackTrace();
4209	>	}
4210	>	}
4211	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4212	>	}
4213	>	}
4214	>	if (!bugs.isEmpty())
4215	>	throw new Error("Methods did not throw UOE: " + bugs);
4216	>	}
4217	>
4218	>	/**
4219	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4220	>	* is completed normally, with the same value, when source is.
4221	>	*/
4222	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4223	>	for (boolean createIncomplete : new boolean[] { true, false })
4224	>	for (Integer v1 : new Integer[] { 1, null })
4225	>	{
4226	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4227	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4228	>	if (!createIncomplete) assertTrue(f.complete(v1));
4229	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4230	>	if (createIncomplete) {
4231	>	checkIncomplete(f);
4232	>	checkIncomplete(g);
4233	>	assertTrue(f.complete(v1));
4234	>	}
4235	>	checkCompletedNormally(f, v1);
4236	>	checkCompletedNormally(g, v1);
4237	>	}}
4238	>
4239	>	/**
4240	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4241	>	* is completed exceptionally when source is.
4242	>	*/
4243	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4244	>	for (boolean createIncomplete : new boolean[] { true, false })
4245	>	{
4246	>	CFException ex = new CFException();
4247	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4248	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4249	>	if (!createIncomplete) f.completeExceptionally(ex);
4250	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4251	>	if (createIncomplete) {
4252	>	checkIncomplete(f);
4253	>	checkIncomplete(g);
4254	>	f.completeExceptionally(ex);
4255	>	}
4256	>	checkCompletedExceptionally(f, ex);
4257	>	checkCompletedWithWrappedException(g, ex);
4258	>	}}
4259	>
4260	>	/**
4261	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4262	>	*/
4263	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4264	>	for (Integer v1 : new Integer[] { 1, null })
4265	>	{
4266	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4267	>	CompletionStage minimal = f.minimalCompletionStage();
4268	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4269	>	assertTrue(g.complete(v1));
4270	>	checkCompletedNormally(g, v1);
4271	>	checkIncomplete(f);
4272	>	checkIncomplete(minimal.toCompletableFuture());
4273	>	}}
4274	>
4275	>	/**
4276	>	* minimalStage.toCompletableFuture().join() awaits completion
4277	>	*/
4278	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4279	>	for (boolean createIncomplete : new boolean[] { true, false })
4280	>	for (Integer v1 : new Integer[] { 1, null })
4281	>	{
4282	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4283	>	if (!createIncomplete) assertTrue(f.complete(v1));
4284	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4285	>	if (createIncomplete) assertTrue(f.complete(v1));
4286	>	assertEquals(v1, minimal.toCompletableFuture().join());
4287	>	assertEquals(v1, minimal.toCompletableFuture().get());
4288	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4289	>	}}
4290	>
4291	>	/**
4292	>	* Completion of a toCompletableFuture copy of a minimal stage
4293	>	* does not complete its source.
4294	>	*/
4295	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4296	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4297	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4298	>	assertTrue(g.toCompletableFuture().complete(1));
4299	>	assertTrue(g.toCompletableFuture().complete(null));
4300	>	assertTrue(g.toCompletableFuture().cancel(true));
4301	>	assertTrue(g.toCompletableFuture().cancel(false));
4302	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4303	>	checkIncomplete(g.toCompletableFuture());
4304	>	f.complete(1);
4305	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4306	>	}
4307	>
4308	>	/** Demo utility method for external reliable toCompletableFuture */
4309	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4310	>	CompletableFuture<T> f = new CompletableFuture<>();
4311	>	stage.handle((T t, Throwable ex) -> {
4312	>	if (ex != null) f.completeExceptionally(ex);
4313	>	else f.complete(t);
4314	>	return null;
4315	>	});
4316	>	return f;
4317	>	}
4318	>
4319	>	/** Demo utility method to join a CompletionStage */
4320	>	static <T> T join(CompletionStage<T> stage) {
4321	>	return toCompletableFuture(stage).join();
4322	>	}
4323	>
4324	>	/**
4325	>	* Joining a minimal stage "by hand" works
4326	>	*/
4327	>	public void testMinimalCompletionStage_join_by_hand() {
4328	>	for (boolean createIncomplete : new boolean[] { true, false })
4329	>	for (Integer v1 : new Integer[] { 1, null })
4330	>	{
4331	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4332	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4333	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4334	>	if (!createIncomplete) assertTrue(f.complete(v1));
4335	>	minimal.thenAccept(x -> g.complete(x));
4336	>	if (createIncomplete) assertTrue(f.complete(v1));
4337	>	g.join();
4338	>	checkCompletedNormally(g, v1);
4339	>	checkCompletedNormally(f, v1);
4340	>	assertEquals(v1, join(minimal));
4341	>	}}
4342	>
4343	>	static class Monad {
4344	>	static class ZeroException extends RuntimeException {
4345	>	public ZeroException() { super("monadic zero"); }
4346	>	}
4347	>	// "return", "unit"
4348	>	static <T> CompletableFuture<T> unit(T value) {
4349	>	return completedFuture(value);
4350	>	}
4351	>	// monadic zero ?
4352	>	static <T> CompletableFuture<T> zero() {
4353	>	return failedFuture(new ZeroException());
4354	>	}
4355	>	// >=>
4356	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4357	>	(Function<T, CompletableFuture<U>> f,
4358	>	Function<U, CompletableFuture<V>> g) {
4359	>	return x -> f.apply(x).thenCompose(g);
4360	>	}
4361	>
4362	>	static void assertZero(CompletableFuture<?> f) {
4363	>	try {
4364	>	f.getNow(null);
4365	>	throw new AssertionError("should throw");
4366	>	} catch (CompletionException success) {
4367	>	assertTrue(success.getCause() instanceof ZeroException);
4368	>	}
4369	>	}
4370	>
4371	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4372	>	CompletableFuture<T> g) {
4373	>	T fval = null, gval = null;
4374	>	Throwable fex = null, gex = null;
4375	>
4376	>	try { fval = f.get(); }
4377	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4378	>	catch (Throwable ex) { fex = ex; }
4379	>
4380	>	try { gval = g.get(); }
4381	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4382	>	catch (Throwable ex) { gex = ex; }
4383	>
4384	>	if (fex != null || gex != null)
4385	>	assertSame(fex.getClass(), gex.getClass());
4386	>	else
4387	>	assertEquals(fval, gval);
4388	>	}
4389	>
4390	>	static class PlusFuture<T> extends CompletableFuture<T> {
4391	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4392	>	}
4393	>
4394	>	/** Implements "monadic plus". */
4395	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4396	>	CompletableFuture<? extends T> g) {
4397	>	PlusFuture<T> plus = new PlusFuture<T>();
4398	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4399	>	try {
4400	>	if (ex == null) {
4401	>	if (plus.complete(result))
4402	>	if (plus.firstFailure.get() != null)
4403	>	plus.firstFailure.set(null);
4404	>	}
4405	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4406	>	if (plus.isDone())
4407	>	plus.firstFailure.set(null);
4408	>	}
4409	>	else {
4410	>	// first failure has precedence
4411	>	Throwable first = plus.firstFailure.getAndSet(null);
4412	>
4413	>	// may fail with "Self-suppression not permitted"
4414	>	try { first.addSuppressed(ex); }
4415	>	catch (Exception ignored) {}
4416	>
4417	>	plus.completeExceptionally(first);
4418	>	}
4419	>	} catch (Throwable unexpected) {
4420	>	plus.completeExceptionally(unexpected);
4421	>	}
4422	>	};
4423	>	f.whenComplete(action);
4424	>	g.whenComplete(action);
4425	>	return plus;
4426	>	}
4427	>	}
4428	>
4429	>	/**
4430	>	* CompletableFuture is an additive monad - sort of.
4431	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4432	>	*/
4433	>	public void testAdditiveMonad() throws Throwable {
4434	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4435	>	CompletableFuture<Long> zero = Monad.zero();
4436	>
4437	>	// Some mutually non-commutative functions
4438	>	Function<Long, CompletableFuture<Long>> triple
4439	>	= x -> Monad.unit(3 * x);
4440	>	Function<Long, CompletableFuture<Long>> inc
4441	>	= x -> Monad.unit(x + 1);
4442	>
4443	>	// unit is a right identity: m >>= unit === m
4444	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4445	>	inc.apply(5L));
4446	>	// unit is a left identity: (unit x) >>= f === f x
4447	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4448	>	inc.apply(5L));
4449	>
4450	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4451	>	Monad.assertFutureEquals(
4452	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4453	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4454	>
4455	>	// The case for CompletableFuture as an additive monad is weaker...
4456	>
4457	>	// zero is a monadic zero
4458	>	Monad.assertZero(zero);
4459	>
4460	>	// left zero: zero >>= f === zero
4461	>	Monad.assertZero(zero.thenCompose(inc));
4462	>	// right zero: f >>= (\x -> zero) === zero
4463	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4464	>
4465	>	// f plus zero === f
4466	>	Monad.assertFutureEquals(Monad.unit(5L),
4467	>	Monad.plus(Monad.unit(5L), zero));
4468	>	// zero plus f === f
4469	>	Monad.assertFutureEquals(Monad.unit(5L),
4470	>	Monad.plus(zero, Monad.unit(5L)));
4471	>	// zero plus zero === zero
4472	>	Monad.assertZero(Monad.plus(zero, zero));
4473	>	{
4474	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4475	>	Monad.unit(8L));
4476	>	// non-determinism
4477	>	assertTrue(f.get() == 5L || f.get() == 8L);
4478	>	}
4479	>
4480	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4481	>	// f plus godot === f (doesn't wait for godot)
4482	>	Monad.assertFutureEquals(Monad.unit(5L),
4483	>	Monad.plus(Monad.unit(5L), godot));
4484	>	// godot plus f === f (doesn't wait for godot)
4485	>	Monad.assertFutureEquals(Monad.unit(5L),
4486	>	Monad.plus(godot, Monad.unit(5L)));
4487	>	}
4488	>
4489	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4490	>	@SuppressWarnings("FutureReturnValueIgnored")
4491	>	public void testRecursiveChains() throws Throwable {
4492	>	for (ExecutionMode m : ExecutionMode.values())
4493	>	for (boolean addDeadEnds : new boolean[] { true, false })
4494	>	{
4495	>	final int val = 42;
4496	>	final int n = expensiveTests ? 1_000 : 2;
4497	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4498	>	CompletableFuture<Integer> tail = head;
4499	>	for (int i = 0; i < n; i++) {
4500	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4501	>	tail = m.thenApply(tail, v -> v + 1);
4502	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4503	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4504	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4505	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4506	>	}
4507	>	head.complete(val);
4508	>	assertEquals(val + 3 * n, (int) tail.join());
4509	>	}}
4510	>
4511	>	/**
4512	>	* A single CompletableFuture with many dependents.
4513	>	* A demo of scalability - runtime is O(n).
4514	>	*/
4515	>	@SuppressWarnings("FutureReturnValueIgnored")
4516	>	public void testManyDependents() throws Throwable {
4517	>	final int n = expensiveTests ? 1_000_000 : 10;
4518	>	final CompletableFuture<Void> head = new CompletableFuture<>();
4519	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4520	>	final AtomicInteger count = new AtomicInteger(0);
4521	>	for (int i = 0; i < n; i++) {
4522	>	head.thenRun(() -> count.getAndIncrement());
4523	>	head.thenAccept(x -> count.getAndIncrement());
4524	>	head.thenApply(x -> count.getAndIncrement());
4525	>
4526	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
4527	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4528	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4529	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
4530	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4531	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4532	>
4533	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4534	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4535	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4536	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4537	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4538	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4539	>	}
4540	>	head.complete(null);
4541	>	assertEquals(5 * 3 * n, count.get());
4542	>	}
4543	>
4544	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4545	>	@SuppressWarnings("FutureReturnValueIgnored")
4546	>	public void testCoCompletionGarbageRetention() throws Throwable {
4547	>	final int n = expensiveTests ? 1_000_000 : 10;
4548	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4549	>	CompletableFuture<Integer> f;
4550	>	for (int i = 0; i < n; i++) {
4551	>	f = new CompletableFuture<>();
4552	>	f.runAfterEither(incomplete, () -> {});
4553	>	f.complete(null);
4554	>
4555	>	f = new CompletableFuture<>();
4556	>	f.acceptEither(incomplete, x -> {});
4557	>	f.complete(null);
4558	>
4559	>	f = new CompletableFuture<>();
4560	>	f.applyToEither(incomplete, x -> x);
4561	>	f.complete(null);
4562	>
4563	>	f = new CompletableFuture<>();
4564	>	CompletableFuture.anyOf(f, incomplete);
4565	>	f.complete(null);
4566	>	}
4567	>
4568	>	for (int i = 0; i < n; i++) {
4569	>	f = new CompletableFuture<>();
4570	>	incomplete.runAfterEither(f, () -> {});
4571	>	f.complete(null);
4572	>
4573	>	f = new CompletableFuture<>();
4574	>	incomplete.acceptEither(f, x -> {});
4575	>	f.complete(null);
4576	>
4577	>	f = new CompletableFuture<>();
4578	>	incomplete.applyToEither(f, x -> x);
4579	>	f.complete(null);
4580	>
4581	>	f = new CompletableFuture<>();
4582	>	CompletableFuture.anyOf(incomplete, f);
4583	>	f.complete(null);
4584	>	}
4585	>	}
4586	>
4587	>	/**
4588	>	* Reproduction recipe for:
4589	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4590	>	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4591	>	*/
4592	>	public void testAnyOfGarbageRetention() throws Throwable {
4593	>	for (Integer v : new Integer[] { 1, null })
4594	>	{
4595	>	final int n = expensiveTests ? 100_000 : 10;
4596	>	CompletableFuture<Integer>[] fs
4597	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4598	>	for (int i = 0; i < fs.length; i++)
4599	>	fs[i] = new CompletableFuture<>();
4600	>	fs[fs.length - 1].complete(v);
4601	>	for (int i = 0; i < n; i++)
4602	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4603	>	}}
4604	>
4605	>	/**
4606	>	* Checks for garbage retention with allOf.
4607	>	*
4608	>	* As of 2016-07, fails with OOME:
4609	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4610	>	*/
4611	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4612	>	final int n = expensiveTests ? 100_000 : 10;
4613	>	CompletableFuture<Integer>[] fs
4614	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4615	>	for (int i = 0; i < fs.length; i++)
4616	>	fs[i] = new CompletableFuture<>();
4617	>	for (int i = 0; i < n; i++)
4618	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4619	>	}
4620	>
4621	>	/**
4622	>	* Checks for garbage retention when a dependent future is
4623	>	* cancelled and garbage-collected.
4624	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4625	>	*
4626	>	* As of 2016-07, fails with OOME:
4627	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4628	>	*/
4629	>	public void testCancelledGarbageRetention() throws Throwable {
4630	>	final int n = expensiveTests ? 100_000 : 10;
4631	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4632	>	for (int i = 0; i < n; i++)
4633	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4634	>	}
4635	>
4636	>	/**
4637	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4638	>	* is invoked many times.
4639	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4640	>	*
4641	>	* As of 2016-07, fails with OOME:
4642	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4643	>	*/
4644	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4645	>	final int n = expensiveTests ? 900_000 : 10;
4646	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4647	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4648	>	for (int i = 0; i < n; i++)
4649	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4650	>	}
4651	>
4652	>	//     static <U> U join(CompletionStage<U> stage) {
4653	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4654	>	//         stage.whenComplete((v, ex) -> {
4655	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4656	>	//         });
4657	>	//         return f.join();
4658	>	//     }
4659	>
4660	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4661	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4662	>	//         stage.whenComplete((v, ex) -> {
4663	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4664	>	//         });
4665	>	//         return f.isDone();
4666	>	//     }
4667	>
4668	>	//     static <U> U join2(CompletionStage<U> stage) {
4669	>	//         return stage.toCompletableFuture().copy().join();
4670	>	//     }
4671	>
4672	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4673	>	//         return stage.toCompletableFuture().copy().isDone();
4674	>	//     }
4675	>
4676	>	// For testing default implementations
4677	>	// Only non-default interface methods defined.
4678	>	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4679	>	final CompletableFuture<T> cf;
4680	>	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4681	>	public CompletableFuture<T> toCompletableFuture() {
4682	>	return cf; }
4683	>	public CompletionStage<Void> thenRun
4684	>	(Runnable action) {
4685	>	return cf.thenRun(action); }
4686	>	public CompletionStage<Void> thenRunAsync
4687	>	(Runnable action) {
4688	>	return cf.thenRunAsync(action); }
4689	>	public CompletionStage<Void> thenRunAsync
4690	>	(Runnable action,
4691	>	Executor executor) {
4692	>	return cf.thenRunAsync(action, executor); }
4693	>	public CompletionStage<Void> thenAccept
4694	>	(Consumer<? super T> action) {
4695	>	return cf.thenAccept(action); }
4696	>	public CompletionStage<Void> thenAcceptAsync
4697	>	(Consumer<? super T> action) {
4698	>	return cf.thenAcceptAsync(action); }
4699	>	public CompletionStage<Void> thenAcceptAsync
4700	>	(Consumer<? super T> action,
4701	>	Executor executor) {
4702	>	return cf.thenAcceptAsync(action, executor); }
4703	>	public <U> CompletionStage<U> thenApply
4704	>	(Function<? super T,? extends U> a) {
4705	>	return cf.thenApply(a); }
4706	>	public <U> CompletionStage<U> thenApplyAsync
4707	>	(Function<? super T,? extends U> fn) {
4708	>	return cf.thenApplyAsync(fn); }
4709	>	public <U> CompletionStage<U> thenApplyAsync
4710	>	(Function<? super T,? extends U> fn,
4711	>	Executor executor) {
4712	>	return cf.thenApplyAsync(fn, executor); }
4713	>	public <U,V> CompletionStage<V> thenCombine
4714	>	(CompletionStage<? extends U> other,
4715	>	BiFunction<? super T,? super U,? extends V> fn) {
4716	>	return cf.thenCombine(other, fn); }
4717	>	public <U,V> CompletionStage<V> thenCombineAsync
4718	>	(CompletionStage<? extends U> other,
4719	>	BiFunction<? super T,? super U,? extends V> fn) {
4720	>	return cf.thenCombineAsync(other, fn); }
4721	>	public <U,V> CompletionStage<V> thenCombineAsync
4722	>	(CompletionStage<? extends U> other,
4723	>	BiFunction<? super T,? super U,? extends V> fn,
4724	>	Executor executor) {
4725	>	return cf.thenCombineAsync(other, fn, executor); }
4726	>	public <U> CompletionStage<Void> thenAcceptBoth
4727	>	(CompletionStage<? extends U> other,
4728	>	BiConsumer<? super T, ? super U> action) {
4729	>	return cf.thenAcceptBoth(other, action); }
4730	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4731	>	(CompletionStage<? extends U> other,
4732	>	BiConsumer<? super T, ? super U> action) {
4733	>	return cf.thenAcceptBothAsync(other, action); }
4734	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4735	>	(CompletionStage<? extends U> other,
4736	>	BiConsumer<? super T, ? super U> action,
4737	>	Executor executor) {
4738	>	return cf.thenAcceptBothAsync(other, action, executor); }
4739	>	public CompletionStage<Void> runAfterBoth
4740	>	(CompletionStage<?> other,
4741	>	Runnable action) {
4742	>	return cf.runAfterBoth(other, action); }
4743	>	public CompletionStage<Void> runAfterBothAsync
4744	>	(CompletionStage<?> other,
4745	>	Runnable action) {
4746	>	return cf.runAfterBothAsync(other, action); }
4747	>	public CompletionStage<Void> runAfterBothAsync
4748	>	(CompletionStage<?> other,
4749	>	Runnable action,
4750	>	Executor executor) {
4751	>	return cf.runAfterBothAsync(other, action, executor); }
4752	>	public <U> CompletionStage<U> applyToEither
4753	>	(CompletionStage<? extends T> other,
4754	>	Function<? super T, U> fn) {
4755	>	return cf.applyToEither(other, fn); }
4756	>	public <U> CompletionStage<U> applyToEitherAsync
4757	>	(CompletionStage<? extends T> other,
4758	>	Function<? super T, U> fn) {
4759	>	return cf.applyToEitherAsync(other, fn); }
4760	>	public <U> CompletionStage<U> applyToEitherAsync
4761	>	(CompletionStage<? extends T> other,
4762	>	Function<? super T, U> fn,
4763	>	Executor executor) {
4764	>	return cf.applyToEitherAsync(other, fn, executor); }
4765	>	public CompletionStage<Void> acceptEither
4766	>	(CompletionStage<? extends T> other,
4767	>	Consumer<? super T> action) {
4768	>	return cf.acceptEither(other, action); }
4769	>	public CompletionStage<Void> acceptEitherAsync
4770	>	(CompletionStage<? extends T> other,
4771	>	Consumer<? super T> action) {
4772	>	return cf.acceptEitherAsync(other, action); }
4773	>	public CompletionStage<Void> acceptEitherAsync
4774	>	(CompletionStage<? extends T> other,
4775	>	Consumer<? super T> action,
4776	>	Executor executor) {
4777	>	return cf.acceptEitherAsync(other, action, executor); }
4778	>	public CompletionStage<Void> runAfterEither
4779	>	(CompletionStage<?> other,
4780	>	Runnable action) {
4781	>	return cf.runAfterEither(other, action); }
4782	>	public CompletionStage<Void> runAfterEitherAsync
4783	>	(CompletionStage<?> other,
4784	>	Runnable action) {
4785	>	return cf.runAfterEitherAsync(other, action); }
4786	>	public CompletionStage<Void> runAfterEitherAsync
4787	>	(CompletionStage<?> other,
4788	>	Runnable action,
4789	>	Executor executor) {
4790	>	return cf.runAfterEitherAsync(other, action, executor); }
4791	>	public <U> CompletionStage<U> thenCompose
4792	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4793	>	return cf.thenCompose(fn); }
4794	>	public <U> CompletionStage<U> thenComposeAsync
4795	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4796	>	return cf.thenComposeAsync(fn); }
4797	>	public <U> CompletionStage<U> thenComposeAsync
4798	>	(Function<? super T, ? extends CompletionStage<U>> fn,
4799	>	Executor executor) {
4800	>	return cf.thenComposeAsync(fn, executor); }
4801	>	public <U> CompletionStage<U> handle
4802	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4803	>	return cf.handle(fn); }
4804	>	public <U> CompletionStage<U> handleAsync
4805	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4806	>	return cf.handleAsync(fn); }
4807	>	public <U> CompletionStage<U> handleAsync
4808	>	(BiFunction<? super T, Throwable, ? extends U> fn,
4809	>	Executor executor) {
4810	>	return cf.handleAsync(fn, executor); }
4811	>	public CompletionStage<T> whenComplete
4812	>	(BiConsumer<? super T, ? super Throwable> action) {
4813	>	return cf.whenComplete(action); }
4814	>	public CompletionStage<T> whenCompleteAsync
4815	>	(BiConsumer<? super T, ? super Throwable> action) {
4816	>	return cf.whenCompleteAsync(action); }
4817	>	public CompletionStage<T> whenCompleteAsync
4818	>	(BiConsumer<? super T, ? super Throwable> action,
4819	>	Executor executor) {
4820	>	return cf.whenCompleteAsync(action, executor); }
4821	>	public CompletionStage<T> exceptionally
4822	>	(Function<Throwable, ? extends T> fn) {
4823	>	return cf.exceptionally(fn); }
4824	>	}
4825	>
4826	>	/**
4827	>	* default-implemented exceptionallyAsync action is not invoked when
4828	>	* source completes normally, and source result is propagated
4829	>	*/
4830	>	public void testDefaultExceptionallyAsync_normalCompletion() {
4831	>	for (boolean createIncomplete : new boolean[] { true, false })
4832	>	for (Integer v1 : new Integer[] { 1, null })
4833	>	{
4834	>	final AtomicInteger ran = new AtomicInteger(0);
4835	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4836	>	final DelegatedCompletionStage<Integer> d =
4837	>	new DelegatedCompletionStage<Integer>(f);
4838	>	if (!createIncomplete) assertTrue(f.complete(v1));
4839	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4840	>	((Throwable t) -> {
4841	>	ran.getAndIncrement();
4842	>	throw new AssertionError("should not be called");
4843	>	});
4844	>	if (createIncomplete) assertTrue(f.complete(v1));
4845
4846	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4847	+	checkCompletedNormally(f, v1);
4848	+	assertEquals(0, ran.get());
4849	+	}}
4850	+
4851	+	/**
4852	+	* default-implemented exceptionallyAsync action completes with
4853	+	* function value on source exception
4854	+	*/
4855	+	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4856	+	for (boolean createIncomplete : new boolean[] { true, false })
4857	+	for (Integer v1 : new Integer[] { 1, null })
4858	+	{
4859	+	final AtomicInteger ran = new AtomicInteger(0);
4860	+	final CFException ex = new CFException();
4861	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4862	+	final DelegatedCompletionStage<Integer> d =
4863	+	new DelegatedCompletionStage<Integer>(f);
4864	+	if (!createIncomplete) f.completeExceptionally(ex);
4865	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4866	+	((Throwable t) -> {
4867	+	assertSame(t, ex);
4868	+	ran.getAndIncrement();
4869	+	return v1;
4870	+	});
4871	+	if (createIncomplete) f.completeExceptionally(ex);
4872	+
4873	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4874	+	checkCompletedExceptionally(f, ex);
4875	+	assertEquals(1, ran.get());
4876	+	}}
4877	+
4878	+	/**
4879	+	* Under default implementation, if an "exceptionally action"
4880	+	* throws an exception, it completes exceptionally with that
4881	+	* exception
4882	+	*/
4883	+	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4884	+	for (boolean createIncomplete : new boolean[] { true, false })
4885	+	{
4886	+	final AtomicInteger ran = new AtomicInteger(0);
4887		final CFException ex1 = new CFException();
4888		final CFException ex2 = new CFException();
4889		final CompletableFuture<Integer> f = new CompletableFuture<>();
4890	<	final CompletableFuture<Integer> g = m.whenComplete
4891	<	(f,
4892	<	(Integer x, Throwable t) -> {
4893	<	threadAssertSame(t, ex1);
4894	<	threadAssertNull(x);
4890	>	final DelegatedCompletionStage<Integer> d =
4891	>	new DelegatedCompletionStage<Integer>(f);
4892	>	if (!createIncomplete) f.completeExceptionally(ex1);
4893	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4894	>	((Throwable t) -> {
4895	>	assertSame(t, ex1);
4896	>	ran.getAndIncrement();
4897		throw ex2;
4898		});
4899	<	f.completeExceptionally(ex1);
4900	<	checkCompletedWithWrappedCFException(f, ex1);
4901	<	checkCompletedWithWrappedCFException(g, ex1);
4902	<	}
4903	<	}
4899	>	if (createIncomplete) f.completeExceptionally(ex1);
4900	>
4901	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4902	>	checkCompletedExceptionally(f, ex1);
4903	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4904	>	assertEquals(1, ran.get());
4905	>	}}
4906
4907		/**
4908	<	* handleAsync action completes normally with function value on
4909	<	* either normal or exceptional completion of source
4908	>	* default-implemented exceptionallyCompose result completes
4909	>	* normally after normal completion of source
4910		*/
4911	<	public void testHandleAsync() {
4912	<	CompletableFuture<Integer> f, g;
4913	<	IntegerHandler r;
4911	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4912	>	for (boolean createIncomplete : new boolean[] { true, false })
4913	>	for (Integer v1 : new Integer[] { 1, null })
4914	>	{
4915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4916	>	final ExceptionalCompletableFutureFunction r =
4917	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4918	>	final DelegatedCompletionStage<Integer> d =
4919	>	new DelegatedCompletionStage<Integer>(f);
4920	>	if (!createIncomplete) assertTrue(f.complete(v1));
4921	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4922	>	if (createIncomplete) assertTrue(f.complete(v1));
4923
4924	<	f = new CompletableFuture<>();
4925	<	g = f.handleAsync(r = new IntegerHandler());
4926	<	assertFalse(r.ran);
4927	<	f.completeExceptionally(new CFException());
3524	<	checkCompletedWithWrappedCFException(f);
3525	<	checkCompletedNormally(g, three);
3526	<	assertTrue(r.ran);
4924	>	checkCompletedNormally(f, v1);
4925	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4926	>	r.assertNotInvoked();
4927	>	}}
4928
4929	<	f = new CompletableFuture<>();
4930	<	g = f.handleAsync(r = new IntegerHandler());
4931	<	assertFalse(r.ran);
4932	<	f.completeExceptionally(new CFException());
4933	<	checkCompletedWithWrappedCFException(f);
4934	<	checkCompletedNormally(g, three);
4935	<	assertTrue(r.ran);
4929	>	/**
4930	>	* default-implemented exceptionallyCompose result completes
4931	>	* normally after exceptional completion of source
4932	>	*/
4933	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4934	>	for (boolean createIncomplete : new boolean[] { true, false })
4935	>	{
4936	>	final CFException ex = new CFException();
4937	>	final ExceptionalCompletableFutureFunction r =
4938	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4939	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4940	>	final DelegatedCompletionStage<Integer> d =
4941	>	new DelegatedCompletionStage<Integer>(f);
4942	>	if (!createIncomplete) f.completeExceptionally(ex);
4943	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4944	>	if (createIncomplete) f.completeExceptionally(ex);
4945	>
4946	>	checkCompletedExceptionally(f, ex);
4947	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4948	>	r.assertInvoked();
4949	>	}}
4950	>
4951	>	/**
4952	>	* default-implemented exceptionallyCompose completes
4953	>	* exceptionally on exception if action does
4954	>	*/
4955	>	public void testDefaultExceptionallyCompose_actionFailed() {
4956	>	for (boolean createIncomplete : new boolean[] { true, false })
4957	>	{
4958	>	final CFException ex = new CFException();
4959	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4960	>	final FailingExceptionalCompletableFutureFunction r
4961	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4962	>	final DelegatedCompletionStage<Integer> d =
4963	>	new DelegatedCompletionStage<Integer>(f);
4964	>	if (!createIncomplete) f.completeExceptionally(ex);
4965	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4966	>	if (createIncomplete) f.completeExceptionally(ex);
4967	>
4968	>	checkCompletedExceptionally(f, ex);
4969	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4970	>	r.assertInvoked();
4971	>	}}
4972
4973	<	f = new CompletableFuture<>();
4974	<	g = f.handleAsync(r = new IntegerHandler());
4975	<	assertFalse(r.ran);
4976	<	f.complete(one);
4977	<	checkCompletedNormally(f, one);
4978	<	checkCompletedNormally(g, two);
4979	<	assertTrue(r.ran);
4973	>	/**
4974	>	* default-implemented exceptionallyComposeAsync result completes
4975	>	* normally after normal completion of source
4976	>	*/
4977	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4978	>	for (boolean createIncomplete : new boolean[] { true, false })
4979	>	for (Integer v1 : new Integer[] { 1, null })
4980	>	{
4981	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4982	>	final ExceptionalCompletableFutureFunction r =
4983	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4984	>	final DelegatedCompletionStage<Integer> d =
4985	>	new DelegatedCompletionStage<Integer>(f);
4986	>	if (!createIncomplete) assertTrue(f.complete(v1));
4987	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4988	>	if (createIncomplete) assertTrue(f.complete(v1));
4989
4990	<	f = new CompletableFuture<>();
4991	<	g = f.handleAsync(r = new IntegerHandler());
4992	<	assertFalse(r.ran);
4993	<	f.complete(one);
3548	<	checkCompletedNormally(f, one);
3549	<	checkCompletedNormally(g, two);
3550	<	assertTrue(r.ran);
3551	<	}
4990	>	checkCompletedNormally(f, v1);
4991	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4992	>	r.assertNotInvoked();
4993	>	}}
4994
4995		/**
4996	<	* handleAsync action with Executor completes normally with
4997	<	* function value on either normal or exceptional completion of
3556	<	* source
4996	>	* default-implemented exceptionallyComposeAsync result completes
4997	>	* normally after exceptional completion of source
4998		*/
4999	<	public void testHandleAsync2() {
5000	<	CompletableFuture<Integer> f, g;
5001	<	ThreadExecutor exec = new ThreadExecutor();
5002	<	IntegerHandler r;
5003	<
5004	<	f = new CompletableFuture<>();
5005	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5006	<	assertFalse(r.ran);
5007	<	f.completeExceptionally(new CFException());
5008	<	checkCompletedWithWrappedCFException(f);
5009	<	checkCompletedNormally(g, three);
5010	<	assertTrue(r.ran);
4999	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
5000	>	for (boolean createIncomplete : new boolean[] { true, false })
5001	>	{
5002	>	final CFException ex = new CFException();
5003	>	final ExceptionalCompletableFutureFunction r =
5004	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5005	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5006	>	final DelegatedCompletionStage<Integer> d =
5007	>	new DelegatedCompletionStage<Integer>(f);
5008	>	if (!createIncomplete) f.completeExceptionally(ex);
5009	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5010	>	if (createIncomplete) f.completeExceptionally(ex);
5011	>
5012	>	checkCompletedExceptionally(f, ex);
5013	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5014	>	r.assertInvoked();
5015	>	}}
5016	>
5017	>	/**
5018	>	* default-implemented exceptionallyComposeAsync completes
5019	>	* exceptionally on exception if action does
5020	>	*/
5021	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5022	>	for (boolean createIncomplete : new boolean[] { true, false })
5023	>	{
5024	>	final CFException ex = new CFException();
5025	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5026	>	final FailingExceptionalCompletableFutureFunction r
5027	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5028	>	final DelegatedCompletionStage<Integer> d =
5029	>	new DelegatedCompletionStage<Integer>(f);
5030	>	if (!createIncomplete) f.completeExceptionally(ex);
5031	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5032	>	if (createIncomplete) f.completeExceptionally(ex);
5033	>
5034	>	checkCompletedExceptionally(f, ex);
5035	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5036	>	r.assertInvoked();
5037	>	}}
5038
5039	<	f = new CompletableFuture<>();
5040	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5041	<	assertFalse(r.ran);
5042	<	f.completeExceptionally(new CFException());
5043	<	checkCompletedWithWrappedCFException(f);
5044	<	checkCompletedNormally(g, three);
5045	<	assertTrue(r.ran);
5039	>	/**
5040	>	* default-implemented exceptionallyComposeAsync result completes
5041	>	* normally after normal completion of source
5042	>	*/
5043	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5044	>	for (boolean createIncomplete : new boolean[] { true, false })
5045	>	for (Integer v1 : new Integer[] { 1, null })
5046	>	{
5047	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5048	>	final ExceptionalCompletableFutureFunction r =
5049	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5050	>	final DelegatedCompletionStage<Integer> d =
5051	>	new DelegatedCompletionStage<Integer>(f);
5052	>	if (!createIncomplete) assertTrue(f.complete(v1));
5053	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5054	>	if (createIncomplete) assertTrue(f.complete(v1));
5055
5056	<	f = new CompletableFuture<>();
5057	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5058	<	assertFalse(r.ran);
5059	<	f.complete(one);
3583	<	checkCompletedNormally(f, one);
3584	<	checkCompletedNormally(g, two);
3585	<	assertTrue(r.ran);
5056	>	checkCompletedNormally(f, v1);
5057	>	checkCompletedNormally(g.toCompletableFuture(), v1);
5058	>	r.assertNotInvoked();
5059	>	}}
5060
5061	<	f = new CompletableFuture<>();
5062	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5063	<	assertFalse(r.ran);
5064	<	f.complete(one);
5065	<	checkCompletedNormally(f, one);
5066	<	checkCompletedNormally(g, two);
5067	<	assertTrue(r.ran);
5068	<	}
5061	>	/**
5062	>	* default-implemented exceptionallyComposeAsync result completes
5063	>	* normally after exceptional completion of source
5064	>	*/
5065	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5066	>	for (boolean createIncomplete : new boolean[] { true, false })
5067	>	{
5068	>	final CFException ex = new CFException();
5069	>	final ExceptionalCompletableFutureFunction r =
5070	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5071	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5072	>	final DelegatedCompletionStage<Integer> d =
5073	>	new DelegatedCompletionStage<Integer>(f);
5074	>	if (!createIncomplete) f.completeExceptionally(ex);
5075	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5076	>	if (createIncomplete) f.completeExceptionally(ex);
5077	>
5078	>	checkCompletedExceptionally(f, ex);
5079	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5080	>	r.assertInvoked();
5081	>	}}
5082	>
5083	>	/**
5084	>	* default-implemented exceptionallyComposeAsync completes
5085	>	* exceptionally on exception if action does
5086	>	*/
5087	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5088	>	for (boolean createIncomplete : new boolean[] { true, false })
5089	>	{
5090	>	final CFException ex = new CFException();
5091	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5092	>	final FailingExceptionalCompletableFutureFunction r
5093	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5094	>	final DelegatedCompletionStage<Integer> d =
5095	>	new DelegatedCompletionStage<Integer>(f);
5096	>	if (!createIncomplete) f.completeExceptionally(ex);
5097	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5098	>	if (createIncomplete) f.completeExceptionally(ex);
5099	>
5100	>	checkCompletedExceptionally(f, ex);
5101	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5102	>	r.assertInvoked();
5103	>	}}
5104
5105		}

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