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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.36 by jsr166, Sun Jun 1 23:12:45 2014 UTC vs.
Revision 1.203 by jsr166, Sat Sep 22 22:25:12 2018 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 42 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
74		catch (Throwable fail) { threadUnexpectedException(fail); }
75		}
76
77	<	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	try {
79	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.join());
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
64	<	try {
65	<	assertEquals(value, f.getNow(null));
66	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
77	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T expectedValue) {
78	>	checkTimedGet(f, expectedValue);
79	>
80	>	assertEquals(expectedValue, f.join());
81	>	assertEquals(expectedValue, f.getNow(null));
82	>
83	>	T result = null;
84		try {
85	<	assertEquals(value, f.get());
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91		assertFalse(f.isCompletedExceptionally());
92	<	assertTrue(f.toString().contains("[Completed normally]"));
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
96	<	try {
97	<	f.get(LONG_DELAY_MS, MILLISECONDS);
98	<	shouldThrow();
99	<	} catch (ExecutionException success) {
100	<	assertTrue(success.getCause() instanceof CFException);
101	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
102	<	try {
84	<	f.join();
85	<	shouldThrow();
86	<	} catch (CompletionException success) {
87	<	assertTrue(success.getCause() instanceof CFException);
88	<	}
89	<	try {
90	<	f.getNow(null);
91	<	shouldThrow();
92	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
94	<	}
95	<	try {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
95	>	/**
96	>	* Returns the "raw" internal exceptional completion of f,
97	>	* without any additional wrapping with CompletionException.
98	>	*/
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103		}
104
105	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
105	>	void checkCompletedExceptionally(CompletableFuture<?> f,
106	>	boolean wrapped,
107	>	Consumer<Throwable> checker) {
108	>	Throwable cause = exceptionalCompletion(f);
109	>	if (wrapped) {
110	>	assertTrue(cause instanceof CompletionException);
111	>	cause = cause.getCause();
112	>	}
113	>	checker.accept(cause);
114	>
115	>	long startTime = System.nanoTime();
116		try {
117		f.get(LONG_DELAY_MS, MILLISECONDS);
118		shouldThrow();
119		} catch (ExecutionException success) {
120	<	assertSame(ex, success.getCause());
120	>	assertSame(cause, success.getCause());
121		} catch (Throwable fail) { threadUnexpectedException(fail); }
122	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
123	+
124		try {
125		f.join();
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.getNow(null);
133		shouldThrow();
134		} catch (CompletionException success) {
135	<	assertSame(ex, success.getCause());
136	<	}
135	>	assertSame(cause, success.getCause());
136	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	>
138		try {
139		f.get();
140		shouldThrow();
141		} catch (ExecutionException success) {
142	<	assertSame(ex, success.getCause());
142	>	assertSame(cause, success.getCause());
143		} catch (Throwable fail) { threadUnexpectedException(fail); }
144	<	assertTrue(f.isDone());
144	>
145		assertFalse(f.isCancelled());
146	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
146	>	assertTrue(f.isDone());
147	>	assertTrue(f.isCompletedExceptionally());
148	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
149	>	}
150	>
151	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152	>	checkCompletedExceptionally(f, true,
153	>	t -> assertTrue(t instanceof CFException));
154	>	}
155	>
156	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
157	>	checkCompletedExceptionally(f, true,
158	>	t -> assertTrue(t instanceof CancellationException));
159	>	}
160	>
161	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
162	>	checkCompletedExceptionally(f, false,
163	>	t -> assertTrue(t instanceof TimeoutException));
164	>	}
165	>
166	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
167	>	Throwable ex) {
168	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
169	>	}
170	>
171	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
172	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
173		}
174
175		void checkCancelled(CompletableFuture<?> f) {
176	+	long startTime = System.nanoTime();
177		try {
178		f.get(LONG_DELAY_MS, MILLISECONDS);
179		shouldThrow();
180		} catch (CancellationException success) {
181		} catch (Throwable fail) { threadUnexpectedException(fail); }
182	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
183	+
184		try {
185		f.join();
186		shouldThrow();
#	Line 153 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
201		assertTrue(f.isCompletedExceptionally());
202	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
202	>	assertTrue(f.isCancelled());
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 204 | Line 217 | public class CompletableFutureTest exten
217		* isCancelled, join, get, and getNow
218		*/
219		public void testComplete() {
220	+	for (Integer v1 : new Integer[] { 1, null })
221	+	{
222		CompletableFuture<Integer> f = new CompletableFuture<>();
223		checkIncomplete(f);
224	<	f.complete(one);
225	<	checkCompletedNormally(f, one);
226	<	}
224	>	assertTrue(f.complete(v1));
225	>	assertFalse(f.complete(v1));
226	>	checkCompletedNormally(f, v1);
227	>	}}
228
229		/**
230		* completeExceptionally completes exceptionally, as indicated by
#	Line 216 | Line 232 | public class CompletableFutureTest exten
232		*/
233		public void testCompleteExceptionally() {
234		CompletableFuture<Integer> f = new CompletableFuture<>();
235	+	CFException ex = new CFException();
236		checkIncomplete(f);
237	<	f.completeExceptionally(new CFException());
238	<	checkCompletedWithWrappedCFException(f);
237	>	f.completeExceptionally(ex);
238	>	checkCompletedExceptionally(f, ex);
239		}
240
241		/**
#	Line 226 | Line 243 | public class CompletableFutureTest exten
243		* methods isDone, isCancelled, join, get, and getNow
244		*/
245		public void testCancel() {
246	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
247	+	{
248		CompletableFuture<Integer> f = new CompletableFuture<>();
249		checkIncomplete(f);
250	<	assertTrue(f.cancel(true));
250	>	assertTrue(f.cancel(mayInterruptIfRunning));
251	>	assertTrue(f.cancel(mayInterruptIfRunning));
252	>	assertTrue(f.cancel(!mayInterruptIfRunning));
253		checkCancelled(f);
254	<	}
254	>	}}
255
256		/**
257		* obtrudeValue forces completion with given value
#	Line 238 | Line 259 | public class CompletableFutureTest exten
259		public void testObtrudeValue() {
260		CompletableFuture<Integer> f = new CompletableFuture<>();
261		checkIncomplete(f);
262	<	f.complete(one);
262	>	assertTrue(f.complete(one));
263		checkCompletedNormally(f, one);
264		f.obtrudeValue(three);
265		checkCompletedNormally(f, three);
#	Line 247 | Line 268 | public class CompletableFutureTest exten
268		f = new CompletableFuture<>();
269		f.obtrudeValue(three);
270		checkCompletedNormally(f, three);
271	+	f.obtrudeValue(null);
272	+	checkCompletedNormally(f, null);
273		f = new CompletableFuture<>();
274		f.completeExceptionally(new CFException());
275		f.obtrudeValue(four);
#	Line 257 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	CompletableFuture<Integer> f = new CompletableFuture<>();
284	<	checkIncomplete(f);
285	<	f.complete(one);
286	<	checkCompletedNormally(f, one);
287	<	f.obtrudeException(new CFException());
265	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288		f = new CompletableFuture<>();
289	<	f.obtrudeException(new CFException());
290	<	checkCompletedWithWrappedCFException(f);
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295	>	f = new CompletableFuture<>();
296	>	for (int i = 0; i < 2; i++) {
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	}
300	>
301		f = new CompletableFuture<>();
302		f.completeExceptionally(new CFException());
303	<	f.obtrudeValue(four);
304	<	checkCompletedNormally(f, four);
305	<	f.obtrudeException(new CFException());
306	<	checkCompletedWithWrappedCFException(f);
307	<	}
303	>	f.obtrudeValue(v1);
304	>	checkCompletedNormally(f, v1);
305	>	f.obtrudeException(ex = new CFException());
306	>	checkCompletedExceptionally(f, ex);
307	>	f.completeExceptionally(new CFException());
308	>	checkCompletedExceptionally(f, ex);
309	>	assertFalse(f.complete(v1));
310	>	checkCompletedExceptionally(f, ex);
311	>	}}
312
313		/**
314		* getNumberOfDependents returns number of dependent tasks
315		*/
316		public void testGetNumberOfDependents() {
317	+	for (ExecutionMode m : ExecutionMode.values())
318	+	for (Integer v1 : new Integer[] { 1, null })
319	+	{
320		CompletableFuture<Integer> f = new CompletableFuture<>();
321	<	assertEquals(f.getNumberOfDependents(), 0);
322	<	CompletableFuture g = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 1);
324	<	assertEquals(g.getNumberOfDependents(), 0);
325	<	CompletableFuture h = f.thenRun(new Noop());
326	<	assertEquals(f.getNumberOfDependents(), 2);
327	<	f.complete(1);
321	>	assertEquals(0, f.getNumberOfDependents());
322	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323	>	assertEquals(1, f.getNumberOfDependents());
324	>	assertEquals(0, g.getNumberOfDependents());
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326	>	assertEquals(2, f.getNumberOfDependents());
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	<	assertEquals(f.getNumberOfDependents(), 0);
331	<	assertEquals(g.getNumberOfDependents(), 0);
332	<	}
330	>	checkCompletedNormally(h, null);
331	>	assertEquals(0, f.getNumberOfDependents());
332	>	assertEquals(0, g.getNumberOfDependents());
333	>	assertEquals(0, h.getNumberOfDependents());
334	>	}}
335
336		/**
337		* toString indicates current completion state
338		*/
339	<	public void testToString() {
340	<	CompletableFuture<String> f;
341	<
342	<	f = new CompletableFuture<String>();
343	<	assertTrue(f.toString().contains("[Not completed]"));
344	<
345	<	f.complete("foo");
346	<	assertTrue(f.toString().contains("[Completed normally]"));
347	<
348	<	f = new CompletableFuture<String>();
349	<	f.completeExceptionally(new IndexOutOfBoundsException());
350	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
339	>	public void testToString_incomplete() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
342	>	if (testImplementationDetails)
343	>	assertEquals(identityString(f) + "[Not completed]",
344	>	f.toString());
345	>	}
346	>
347	>	public void testToString_normal() {
348	>	CompletableFuture<String> f = new CompletableFuture<>();
349	>	assertTrue(f.complete("foo"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	assertEquals(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355	>
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
360	>	if (testImplementationDetails)
361	>	assertTrue(f.toString().startsWith(
362	>	identityString(f) + "[Completed exceptionally: "));
363	>	}
364	>
365	>	public void testToString_cancelled() {
366	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368	>	assertTrue(f.cancel(mayInterruptIfRunning));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373	>	}
374		}
375
376		/**
#	Line 316 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	// Choose non-commutative actions for better coverage
384	>	abstract static class CheckedAction {
385	>	int invocationCount = 0;
386	>	final ExecutionMode m;
387	>	CheckedAction(ExecutionMode m) { this.m = m; }
388	>	void invoked() {
389	>	m.checkExecutionMode();
390	>	assertEquals(0, invocationCount++);
391	>	}
392	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
393	>	void assertInvoked() { assertEquals(1, invocationCount); }
394	>	}
395
396	<	// A non-commutative function that handles null values as well
397	<	public static int subtract(Integer x, Integer y) {
398	<	return ((x == null) ? 42 : x.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.
420	>	static Integer inc(Integer x) {
421	>	return (x == null) ? null : x + 1;
422	>	}
423	>
424	>	static class NoopConsumer extends CheckedIntegerAction
425	>	implements Consumer<Integer>
426	>	{
427	>	NoopConsumer(ExecutionMode m) { super(m); }
428	>	public void accept(Integer x) {
429	>	invoked();
430	>	value = x;
431	>	}
432	>	}
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	>	invoked();
440	>	return value = inc(x);
441	>	}
442	>	}
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 final Supplier<Integer> supplyOne =
453	<	() -> Integer.valueOf(1);
454	<	static final Function<Integer, Integer> inc =
455	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
331	<	static final BiFunction<Integer, Integer, Integer> subtract =
332	<	(Integer x, Integer y) -> subtract(x, y);
333	<	static final class IncAction implements Consumer<Integer> {
334	<	int value;
335	<	public void accept(Integer x) { value = x.intValue() + 1; }
336	<	}
337	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
338	<	volatile int invocationCount = 0;
339	<	int value;
340	<	// Check this action was invoked exactly once when result is computed.
341	<	public boolean ran() { return invocationCount == 1; }
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	<	volatile int invocationCount = 0;
463	<	int 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++;
468	<	return subtract(x, y);
467	>	invoked();
468	>	return value = subtract(x, y);
469		}
470		}
471	<	static final class Noop implements Runnable {
472	<	boolean ran;
473	<	public void run() { ran = true; }
471	>
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474	>	public void run() {
475	>	invoked();
476	>	}
477		}
478
479	<	static final class FailingSupplier implements Supplier<Integer> {
480	<	boolean ran;
481	<	public Integer get() { ran = true; throw new CFException(); }
479	>	static class FailingSupplier extends CheckedAction
480	>	implements Supplier<Integer>
481	>	{
482	>	final CFException ex;
483	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
484	>	public Integer get() {
485	>	invoked();
486	>	throw ex;
487	>	}
488		}
489	<	static final class FailingConsumer implements Consumer<Integer> {
490	<	boolean ran;
491	<	public void accept(Integer x) { ran = true; throw new CFException(); }
489	>
490	>	static class FailingConsumer extends CheckedIntegerAction
491	>	implements Consumer<Integer>
492	>	{
493	>	final CFException ex;
494	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
495	>	public void accept(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw ex;
499	>	}
500		}
501	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
502	<	boolean ran;
503	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
501	>
502	>	static class FailingBiConsumer extends CheckedIntegerAction
503	>	implements BiConsumer<Integer, Integer>
504	>	{
505	>	final CFException ex;
506	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
507	>	public void accept(Integer x, Integer y) {
508	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511	>	}
512		}
513	<	static final class FailingFunction implements Function<Integer, Integer> {
514	<	boolean ran;
515	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
513	>
514	>	static class FailingFunction extends CheckedIntegerAction
515	>	implements Function<Integer, Integer>
516	>	{
517	>	final CFException ex;
518	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
519	>	public Integer apply(Integer x) {
520	>	invoked();
521	>	value = x;
522	>	throw ex;
523	>	}
524		}
525	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
526	<	boolean ran;
527	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
525	>
526	>	static class FailingBiFunction extends CheckedIntegerAction
527	>	implements BiFunction<Integer, Integer, Integer>
528	>	{
529	>	final CFException ex;
530	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
531	>	public Integer apply(Integer x, Integer y) {
532	>	invoked();
533	>	value = subtract(x, y);
534	>	throw ex;
535	>	}
536		}
537	<	static final class FailingNoop implements Runnable {
538	<	boolean ran;
539	<	public void run() { ran = true; throw new CFException(); }
537	>
538	>	static class FailingRunnable extends CheckedAction implements Runnable {
539	>	final CFException ex;
540	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
541	>	public void run() {
542	>	invoked();
543	>	throw ex;
544	>	}
545		}
546
547	<	static final class CompletableFutureInc
548	<	implements Function<Integer, CompletableFuture<Integer>> {
549	<	boolean ran;
547	>	static class CompletableFutureInc extends CheckedIntegerAction
548	>	implements Function<Integer, CompletableFuture<Integer>>
549	>	{
550	>	CompletableFutureInc(ExecutionMode m) { super(m); }
551		public CompletableFuture<Integer> apply(Integer x) {
552	<	ran = true;
553	<	CompletableFuture<Integer> f = new CompletableFuture<>();
554	<	f.complete(Integer.valueOf(x.intValue() + 1));
394	<	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) {
423	<	ran = true;
424	<	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 447 | 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> CompletableFuture<Void> runAfterEither
677	+	(CompletableFuture<T> f,
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,
684	+	CompletionStage<? extends T> g,
685	+	Consumer<? super T> a) {
686	+	return f.acceptEither(g, a);
687	+	}
688	+	public <T,U> CompletableFuture<U> applyToEither
689	+	(CompletableFuture<T> f,
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	<
705	<	//             /** Experimental way to do more testing */
706	<	//         REVERSE_DEFAULT {
707	<	//             public <T,U> CompletableFuture<Void> runAfterBoth
708	<	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
709	<	//                 return g.runAfterBoth(f, a);
710	<	//             }
711	<	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
712	<	//                 (CompletableFuture<T> f,
713	<	//                  CompletionStage<? extends U> g,
714	<	//                  BiConsumer<? super T,? super U> a) {
715	<	//                 return DEFAULT.thenAcceptBoth(f, g, a);
716	<	//             }
717	<	//         },
718	<
719	<	DEFAULT_ASYNC {
704	>	ASYNC {
705	>	public void checkExecutionMode() {
706	>	assertEquals(defaultExecutorIsCommonPool,
707	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
708	>	}
709	>	public CompletableFuture<Void> runAsync(Runnable a) {
710	>	return CompletableFuture.runAsync(a);
711	>	}
712	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
713	>	return CompletableFuture.supplyAsync(a);
714	>	}
715	>	public <T> CompletableFuture<Void> thenRun
716	>	(CompletableFuture<T> f, Runnable a) {
717	>	return f.thenRunAsync(a);
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.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.whenCompleteAsync(a);
741	>	}
742		public <T,U> CompletableFuture<Void> runAfterBoth
743		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
744		return f.runAfterBothAsync(g, a);
#	Line 480 | Line 755 | public class CompletableFutureTest exten
755		BiFunction<? super T,? super U,? extends V> a) {
756		return f.thenCombineAsync(g, a);
757		}
758	<	},
758	>	public <T> CompletableFuture<Void> runAfterEither
759	>	(CompletableFuture<T> f,
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,
766	>	CompletionStage<? extends T> g,
767	>	Consumer<? super T> a) {
768	>	return f.acceptEitherAsync(g, a);
769	>	}
770	>	public <T,U> CompletableFuture<U> applyToEither
771	>	(CompletableFuture<T> f,
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	<	//         REVERSE_DEFAULT_ASYNC {
783	<	//             public <T,U> CompletableFuture<Void> runAfterBoth
784	<	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
785	<	//                 return f.runAfterBothAsync(g, a);
786	<	//             }
787	<	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
491	<	//                 (CompletableFuture<T> f,
492	<	//                  CompletionStage<? extends U> g,
493	<	//                  BiConsumer<? super T,? super U> a) {
494	<	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
495	<	//             }
496	<	//         },
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, 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, new ThreadExecutor());
825	+	}
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 512 | 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> CompletableFuture<Void> runAfterEither
843	+	(CompletableFuture<T> f,
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,
850	+	CompletionStage<? extends T> g,
851	+	Consumer<? super T> a) {
852	+	return f.acceptEitherAsync(g, a, new ThreadExecutor());
853	+	}
854	+	public <T,U> CompletableFuture<U> applyToEither
855	+	(CompletableFuture<T> f,
856	+	CompletionStage<? extends T> g,
857	+	Function<? super T,U> a) {
858	+	return f.applyToEitherAsync(g, a, new ThreadExecutor());
859	+	}
860	+	public <T> CompletableFuture<T> exceptionally
861	+	(CompletableFuture<T> f,
862	+	Function<Throwable, ? extends T> fn) {
863	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
864	+	}
865	+	public <T> CompletableFuture<T> exceptionallyCompose
866	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
867	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
868	+	}
869	+
870		};
871
872	+	public abstract void checkExecutionMode();
873	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
874	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
875	+	public abstract <T> CompletableFuture<Void> thenRun
876	+	(CompletableFuture<T> f, Runnable a);
877	+	public abstract <T> CompletableFuture<Void> thenAccept
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 524 | 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> CompletableFuture<Void> runAfterEither
901	+	(CompletableFuture<T> f,
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,U> CompletableFuture<U> applyToEither
909	+	(CompletableFuture<T> f,
910	+	CompletionStage<? extends T> g,
911	+	Function<? super T,U> a);
912	+	public abstract <T> CompletableFuture<T> exceptionally
913	+	(CompletableFuture<T> f,
914	+	Function<Throwable, ? extends T> fn);
915	+	public abstract <T> CompletableFuture<T> exceptionallyCompose
916	+	(CompletableFuture<T> f,
917	+	Function<Throwable, ? extends CompletionStage<T>> fn);
918		}
919
920		/**
921	<	* exceptionally action completes with function value on source
922	<	* exception; otherwise with source value
921	>	* exceptionally action is not invoked when source completes
922	>	* normally, and source result is propagated
923		*/
924	<	public void testExceptionally() {
925	<	CompletableFuture<Integer> f = new CompletableFuture<>();
926	<	ExceptionToInteger r = new ExceptionToInteger();
927	<	CompletableFuture<Integer> g = f.exceptionally(r);
928	<	f.completeExceptionally(new CFException());
929	<	checkCompletedNormally(g, three);
924	>	public void testExceptionally_normalCompletion() {
925	>	for (ExecutionMode m : ExecutionMode.values())
926	>	for (boolean createIncomplete : new boolean[] { true, false })
927	>	for (Integer v1 : new Integer[] { 1, null })
928	>	{
929	>	final AtomicInteger a = 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	>	a.getAndIncrement();
935	>	threadFail("should not be called");
936	>	return null;            // unreached
937	>	});
938	>	if (createIncomplete) assertTrue(f.complete(v1));
939
940	<	f = new CompletableFuture<>();
941	<	r = new ExceptionToInteger();
942	<	g = f.exceptionally(r);
943	<	f.complete(one);
544	<	checkCompletedNormally(g, one);
545	<	}
940	>	checkCompletedNormally(g, v1);
941	>	checkCompletedNormally(f, v1);
942	>	assertEquals(0, a.get());
943	>	}}
944
945		/**
946	<	* handle action completes normally with function value on either
947	<	* normal or exceptional completion of source
946	>	* exceptionally action completes with function value on source
947	>	* exception
948		*/
949	<	public void testHandle() {
950	<	CompletableFuture<Integer> f, g;
951	<	IntegerHandler r;
952	<
953	<	f = new CompletableFuture<>();
954	<	f.completeExceptionally(new CFException());
955	<	g = f.handle(r = new IntegerHandler());
956	<	assertTrue(r.ran);
957	<	checkCompletedNormally(g, three);
958	<
959	<	f = new CompletableFuture<>();
960	<	g = f.handle(r = new IntegerHandler());
961	<	assertFalse(r.ran);
962	<	f.completeExceptionally(new CFException());
963	<	checkCompletedNormally(g, three);
964	<	assertTrue(r.ran);
965	<
568	<	f = new CompletableFuture<>();
569	<	f.complete(one);
570	<	g = f.handle(r = new IntegerHandler());
571	<	assertTrue(r.ran);
572	<	checkCompletedNormally(g, two);
949	>	public void testExceptionally_exceptionalCompletion() {
950	>	for (ExecutionMode m : ExecutionMode.values())
951	>	for (boolean createIncomplete : new boolean[] { true, false })
952	>	for (Integer v1 : new Integer[] { 1, null })
953	>	{
954	>	final AtomicInteger a = new AtomicInteger(0);
955	>	final CFException ex = new CFException();
956	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
957	>	if (!createIncomplete) f.completeExceptionally(ex);
958	>	final CompletableFuture<Integer> g = m.exceptionally
959	>	(f, (Throwable t) -> {
960	>	m.checkExecutionMode();
961	>	threadAssertSame(t, ex);
962	>	a.getAndIncrement();
963	>	return v1;
964	>	});
965	>	if (createIncomplete) f.completeExceptionally(ex);
966
967	<	f = new CompletableFuture<>();
968	<	g = f.handle(r = new IntegerHandler());
969	<	assertFalse(r.ran);
577	<	f.complete(one);
578	<	assertTrue(r.ran);
579	<	checkCompletedNormally(g, two);
580	<	}
967	>	checkCompletedNormally(g, v1);
968	>	assertEquals(1, a.get());
969	>	}}
970
971		/**
972	<	* runAsync completes after running Runnable
972	>	* If an "exceptionally action" throws an exception, it completes
973	>	* exceptionally with that exception
974		*/
975	<	public void testRunAsync() {
976	<	Noop r = new Noop();
977	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
978	<	assertNull(f.join());
979	<	assertTrue(r.ran);
980	<	checkCompletedNormally(f, null);
981	<	}
975	>	public void testExceptionally_exceptionalCompletionActionFailed() {
976	>	for (ExecutionMode m : ExecutionMode.values())
977	>	for (boolean createIncomplete : new boolean[] { true, false })
978	>	{
979	>	final AtomicInteger a = new AtomicInteger(0);
980	>	final CFException ex1 = new CFException();
981	>	final CFException ex2 = new CFException();
982	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
983	>	if (!createIncomplete) f.completeExceptionally(ex1);
984	>	final CompletableFuture<Integer> g = m.exceptionally
985	>	(f, (Throwable t) -> {
986	>	m.checkExecutionMode();
987	>	threadAssertSame(t, ex1);
988	>	a.getAndIncrement();
989	>	throw ex2;
990	>	});
991	>	if (createIncomplete) f.completeExceptionally(ex1);
992	>
993	>	checkCompletedWithWrappedException(g, ex2);
994	>	checkCompletedExceptionally(f, ex1);
995	>	assertEquals(1, a.get());
996	>	}}
997
998		/**
999	<	* runAsync with executor completes after running Runnable
999	>	* whenComplete action executes on normal completion, propagating
1000	>	* source result.
1001		*/
1002	<	public void testRunAsync2() {
1003	<	Noop r = new Noop();
1004	<	ThreadExecutor exec = new ThreadExecutor();
1005	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1006	<	assertNull(f.join());
1007	<	assertTrue(r.ran);
1008	<	checkCompletedNormally(f, null);
1009	<	assertEquals(1, exec.count.get());
1010	<	}
1002	>	public void testWhenComplete_normalCompletion() {
1003	>	for (ExecutionMode m : ExecutionMode.values())
1004	>	for (boolean createIncomplete : new boolean[] { true, false })
1005	>	for (Integer v1 : new Integer[] { 1, null })
1006	>	{
1007	>	final AtomicInteger a = new AtomicInteger(0);
1008	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1009	>	if (!createIncomplete) assertTrue(f.complete(v1));
1010	>	final CompletableFuture<Integer> g = m.whenComplete
1011	>	(f,
1012	>	(Integer result, Throwable t) -> {
1013	>	m.checkExecutionMode();
1014	>	threadAssertSame(result, v1);
1015	>	threadAssertNull(t);
1016	>	a.getAndIncrement();
1017	>	});
1018	>	if (createIncomplete) assertTrue(f.complete(v1));
1019
1020	<	/**
1021	<	* failing runAsync completes exceptionally after running Runnable
1022	<	*/
1023	<	public void testRunAsync3() {
610	<	FailingNoop r = new FailingNoop();
611	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
612	<	checkCompletedWithWrappedCFException(f);
613	<	assertTrue(r.ran);
614	<	}
1020	>	checkCompletedNormally(g, v1);
1021	>	checkCompletedNormally(f, v1);
1022	>	assertEquals(1, a.get());
1023	>	}}
1024
1025		/**
1026	<	* supplyAsync completes with result of supplier
1026	>	* whenComplete action executes on exceptional completion, propagating
1027	>	* source result.
1028		*/
1029	<	public void testSupplyAsync() {
1030	<	CompletableFuture<Integer> f;
1031	<	f = CompletableFuture.supplyAsync(supplyOne);
1032	<	assertEquals(f.join(), one);
1033	<	checkCompletedNormally(f, one);
1034	<	}
1029	>	public void testWhenComplete_exceptionalCompletion() {
1030	>	for (ExecutionMode m : ExecutionMode.values())
1031	>	for (boolean createIncomplete : new boolean[] { true, false })
1032	>	{
1033	>	final AtomicInteger a = new AtomicInteger(0);
1034	>	final CFException ex = new CFException();
1035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1036	>	if (!createIncomplete) f.completeExceptionally(ex);
1037	>	final CompletableFuture<Integer> g = m.whenComplete
1038	>	(f,
1039	>	(Integer result, Throwable t) -> {
1040	>	m.checkExecutionMode();
1041	>	threadAssertNull(result);
1042	>	threadAssertSame(t, ex);
1043	>	a.getAndIncrement();
1044	>	});
1045	>	if (createIncomplete) f.completeExceptionally(ex);
1046	>
1047	>	checkCompletedWithWrappedException(g, ex);
1048	>	checkCompletedExceptionally(f, ex);
1049	>	assertEquals(1, a.get());
1050	>	}}
1051
1052		/**
1053	<	* supplyAsync with executor completes with result of supplier
1053	>	* whenComplete action executes on cancelled source, propagating
1054	>	* CancellationException.
1055		*/
1056	<	public void testSupplyAsync2() {
1057	<	CompletableFuture<Integer> f;
1058	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1059	<	assertEquals(f.join(), one);
1060	<	checkCompletedNormally(f, one);
1061	<	}
1056	>	public void testWhenComplete_sourceCancelled() {
1057	>	for (ExecutionMode m : ExecutionMode.values())
1058	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1059	>	for (boolean createIncomplete : new boolean[] { true, false })
1060	>	{
1061	>	final AtomicInteger a = new AtomicInteger(0);
1062	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1063	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1064	>	final CompletableFuture<Integer> g = m.whenComplete
1065	>	(f,
1066	>	(Integer result, Throwable t) -> {
1067	>	m.checkExecutionMode();
1068	>	threadAssertNull(result);
1069	>	threadAssertTrue(t instanceof CancellationException);
1070	>	a.getAndIncrement();
1071	>	});
1072	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1073	>
1074	>	checkCompletedWithWrappedCancellationException(g);
1075	>	checkCancelled(f);
1076	>	assertEquals(1, a.get());
1077	>	}}
1078
1079		/**
1080	<	* Failing supplyAsync completes exceptionally
1080	>	* If a whenComplete action throws an exception when triggered by
1081	>	* a normal completion, it completes exceptionally
1082		*/
1083	<	public void testSupplyAsync3() {
1084	<	FailingSupplier r = new FailingSupplier();
1085	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1086	<	checkCompletedWithWrappedCFException(f);
1087	<	assertTrue(r.ran);
1088	<	}
1083	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1084	>	for (boolean createIncomplete : new boolean[] { true, false })
1085	>	for (ExecutionMode m : ExecutionMode.values())
1086	>	for (Integer v1 : new Integer[] { 1, null })
1087	>	{
1088	>	final AtomicInteger a = new AtomicInteger(0);
1089	>	final CFException ex = new CFException();
1090	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1091	>	if (!createIncomplete) assertTrue(f.complete(v1));
1092	>	final CompletableFuture<Integer> g = m.whenComplete
1093	>	(f,
1094	>	(Integer result, Throwable t) -> {
1095	>	m.checkExecutionMode();
1096	>	threadAssertSame(result, v1);
1097	>	threadAssertNull(t);
1098	>	a.getAndIncrement();
1099	>	throw ex;
1100	>	});
1101	>	if (createIncomplete) assertTrue(f.complete(v1));
1102
1103	<	// seq completion methods
1103	>	checkCompletedWithWrappedException(g, ex);
1104	>	checkCompletedNormally(f, v1);
1105	>	assertEquals(1, a.get());
1106	>	}}
1107
1108		/**
1109	<	* thenRun result completes normally after normal completion of source
1109	>	* If a whenComplete action throws an exception when triggered by
1110	>	* a source completion that also throws an exception, the source
1111	>	* exception takes precedence (unlike handle)
1112		*/
1113	<	public void testThenRun() {
1114	<	CompletableFuture<Integer> f;
1115	<	CompletableFuture<Void> g;
1116	<	Noop r;
1117	<
1118	<	f = new CompletableFuture<>();
1119	<	g = f.thenRun(r = new Noop());
1120	<	f.complete(null);
1121	<	checkCompletedNormally(g, null);
1122	<	assertTrue(r.ran);
1123	<
1124	<	f = new CompletableFuture<>();
1125	<	f.complete(null);
1126	<	g = f.thenRun(r = new Noop());
1127	<	checkCompletedNormally(g, null);
1128	<	assertTrue(r.ran);
1129	<	}
1113	>	public void testWhenComplete_sourceFailedActionFailed() {
1114	>	for (boolean createIncomplete : new boolean[] { true, false })
1115	>	for (ExecutionMode m : ExecutionMode.values())
1116	>	{
1117	>	final AtomicInteger a = new AtomicInteger(0);
1118	>	final CFException ex1 = new CFException();
1119	>	final CFException ex2 = new CFException();
1120	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1121	>
1122	>	if (!createIncomplete) f.completeExceptionally(ex1);
1123	>	final CompletableFuture<Integer> g = m.whenComplete
1124	>	(f,
1125	>	(Integer result, Throwable t) -> {
1126	>	m.checkExecutionMode();
1127	>	threadAssertSame(t, ex1);
1128	>	threadAssertNull(result);
1129	>	a.getAndIncrement();
1130	>	throw ex2;
1131	>	});
1132	>	if (createIncomplete) f.completeExceptionally(ex1);
1133	>
1134	>	checkCompletedWithWrappedException(g, ex1);
1135	>	checkCompletedExceptionally(f, ex1);
1136	>	if (testImplementationDetails) {
1137	>	assertEquals(1, ex1.getSuppressed().length);
1138	>	assertSame(ex2, ex1.getSuppressed()[0]);
1139	>	}
1140	>	assertEquals(1, a.get());
1141	>	}}
1142
1143		/**
1144	<	* thenRun result completes exceptionally after exceptional
1144	>	* handle action completes normally with function value on normal
1145		* completion of source
1146		*/
1147	<	public void testThenRun2() {
1148	<	CompletableFuture<Integer> f;
1149	<	CompletableFuture<Void> g;
1150	<	Noop r;
1151	<
1152	<	f = new CompletableFuture<>();
1153	<	g = f.thenRun(r = new Noop());
1154	<	f.completeExceptionally(new CFException());
1155	<	checkCompletedWithWrappedCFException(g);
1156	<	assertFalse(r.ran);
1147	>	public void testHandle_normalCompletion() {
1148	>	for (ExecutionMode m : ExecutionMode.values())
1149	>	for (boolean createIncomplete : new boolean[] { true, false })
1150	>	for (Integer v1 : new Integer[] { 1, null })
1151	>	{
1152	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1153	>	final AtomicInteger a = new AtomicInteger(0);
1154	>	if (!createIncomplete) assertTrue(f.complete(v1));
1155	>	final CompletableFuture<Integer> g = m.handle
1156	>	(f,
1157	>	(Integer result, Throwable t) -> {
1158	>	m.checkExecutionMode();
1159	>	threadAssertSame(result, v1);
1160	>	threadAssertNull(t);
1161	>	a.getAndIncrement();
1162	>	return inc(v1);
1163	>	});
1164	>	if (createIncomplete) assertTrue(f.complete(v1));
1165
1166	<	f = new CompletableFuture<>();
1167	<	f.completeExceptionally(new CFException());
1168	<	g = f.thenRun(r = new Noop());
1169	<	checkCompletedWithWrappedCFException(g);
688	<	assertFalse(r.ran);
689	<	}
1166	>	checkCompletedNormally(g, inc(v1));
1167	>	checkCompletedNormally(f, v1);
1168	>	assertEquals(1, a.get());
1169	>	}}
1170
1171		/**
1172	<	* thenRun result completes exceptionally if action does
1172	>	* handle action completes normally with function value on
1173	>	* exceptional completion of source
1174		*/
1175	<	public void testThenRun3() {
1176	<	CompletableFuture<Integer> f;
1177	<	CompletableFuture<Void> g;
1178	<	FailingNoop r;
1175	>	public void testHandle_exceptionalCompletion() {
1176	>	for (ExecutionMode m : ExecutionMode.values())
1177	>	for (boolean createIncomplete : new boolean[] { true, false })
1178	>	for (Integer v1 : new Integer[] { 1, null })
1179	>	{
1180	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1181	>	final AtomicInteger a = new AtomicInteger(0);
1182	>	final CFException ex = new CFException();
1183	>	if (!createIncomplete) f.completeExceptionally(ex);
1184	>	final CompletableFuture<Integer> g = m.handle
1185	>	(f,
1186	>	(Integer result, Throwable t) -> {
1187	>	m.checkExecutionMode();
1188	>	threadAssertNull(result);
1189	>	threadAssertSame(t, ex);
1190	>	a.getAndIncrement();
1191	>	return v1;
1192	>	});
1193	>	if (createIncomplete) f.completeExceptionally(ex);
1194
1195	<	f = new CompletableFuture<>();
1196	<	g = f.thenRun(r = new FailingNoop());
1197	<	f.complete(null);
1198	<	checkCompletedWithWrappedCFException(g);
1195	>	checkCompletedNormally(g, v1);
1196	>	checkCompletedExceptionally(f, ex);
1197	>	assertEquals(1, a.get());
1198	>	}}
1199
1200	<	f = new CompletableFuture<>();
1201	<	f.complete(null);
1202	<	g = f.thenRun(r = new FailingNoop());
1203	<	checkCompletedWithWrappedCFException(g);
1204	<	}
1200	>	/**
1201	>	* handle action completes normally with function value on
1202	>	* cancelled source
1203	>	*/
1204	>	public void testHandle_sourceCancelled() {
1205	>	for (ExecutionMode m : ExecutionMode.values())
1206	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1207	>	for (boolean createIncomplete : new boolean[] { true, false })
1208	>	for (Integer v1 : new Integer[] { 1, null })
1209	>	{
1210	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1211	>	final AtomicInteger a = new AtomicInteger(0);
1212	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1213	>	final CompletableFuture<Integer> g = m.handle
1214	>	(f,
1215	>	(Integer result, Throwable t) -> {
1216	>	m.checkExecutionMode();
1217	>	threadAssertNull(result);
1218	>	threadAssertTrue(t instanceof CancellationException);
1219	>	a.getAndIncrement();
1220	>	return v1;
1221	>	});
1222	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1223	>
1224	>	checkCompletedNormally(g, v1);
1225	>	checkCancelled(f);
1226	>	assertEquals(1, a.get());
1227	>	}}
1228
1229		/**
1230	<	* thenRun result completes exceptionally if source cancelled
1230	>	* If a "handle action" throws an exception when triggered by
1231	>	* a normal completion, it completes exceptionally
1232		*/
1233	<	public void testThenRun4() {
1234	<	CompletableFuture<Integer> f;
1235	<	CompletableFuture<Void> g;
1236	<	Noop r;
1233	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1234	>	for (ExecutionMode m : ExecutionMode.values())
1235	>	for (boolean createIncomplete : new boolean[] { true, false })
1236	>	for (Integer v1 : new Integer[] { 1, null })
1237	>	{
1238	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1239	>	final AtomicInteger a = new AtomicInteger(0);
1240	>	final CFException ex = new CFException();
1241	>	if (!createIncomplete) assertTrue(f.complete(v1));
1242	>	final CompletableFuture<Integer> g = m.handle
1243	>	(f,
1244	>	(Integer result, Throwable t) -> {
1245	>	m.checkExecutionMode();
1246	>	threadAssertSame(result, v1);
1247	>	threadAssertNull(t);
1248	>	a.getAndIncrement();
1249	>	throw ex;
1250	>	});
1251	>	if (createIncomplete) assertTrue(f.complete(v1));
1252
1253	<	f = new CompletableFuture<>();
1254	<	g = f.thenRun(r = new Noop());
1255	<	assertTrue(f.cancel(true));
1256	<	checkCompletedWithWrappedCancellationException(g);
1253	>	checkCompletedWithWrappedException(g, ex);
1254	>	checkCompletedNormally(f, v1);
1255	>	assertEquals(1, a.get());
1256	>	}}
1257
1258	<	f = new CompletableFuture<>();
1259	<	assertTrue(f.cancel(true));
1260	<	g = f.thenRun(r = new Noop());
1261	<	checkCompletedWithWrappedCancellationException(g);
1262	<	}
1258	>	/**
1259	>	* If a "handle action" throws an exception when triggered by
1260	>	* a source completion that also throws an exception, the action
1261	>	* exception takes precedence (unlike whenComplete)
1262	>	*/
1263	>	public void testHandle_sourceFailedActionFailed() {
1264	>	for (boolean createIncomplete : new boolean[] { true, false })
1265	>	for (ExecutionMode m : ExecutionMode.values())
1266	>	{
1267	>	final AtomicInteger a = new AtomicInteger(0);
1268	>	final CFException ex1 = new CFException();
1269	>	final CFException ex2 = new CFException();
1270	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1271	>
1272	>	if (!createIncomplete) f.completeExceptionally(ex1);
1273	>	final CompletableFuture<Integer> g = m.handle
1274	>	(f,
1275	>	(Integer result, Throwable t) -> {
1276	>	m.checkExecutionMode();
1277	>	threadAssertNull(result);
1278	>	threadAssertSame(ex1, t);
1279	>	a.getAndIncrement();
1280	>	throw ex2;
1281	>	});
1282	>	if (createIncomplete) f.completeExceptionally(ex1);
1283	>
1284	>	checkCompletedWithWrappedException(g, ex2);
1285	>	checkCompletedExceptionally(f, ex1);
1286	>	assertEquals(1, a.get());
1287	>	}}
1288
1289		/**
1290	<	* thenApply result completes normally after normal completion of source
1290	>	* runAsync completes after running Runnable
1291		*/
1292	<	public void testThenApply() {
1293	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1294	<	CompletableFuture<Integer> g = f.thenApply(inc);
1295	<	f.complete(one);
1296	<	checkCompletedNormally(g, two);
1297	<	}
1292	>	public void testRunAsync_normalCompletion() {
1293	>	ExecutionMode[] executionModes = {
1294	>	ExecutionMode.ASYNC,
1295	>	ExecutionMode.EXECUTOR,
1296	>	};
1297	>	for (ExecutionMode m : executionModes)
1298	>	{
1299	>	final Noop r = new Noop(m);
1300	>	final CompletableFuture<Void> f = m.runAsync(r);
1301	>	assertNull(f.join());
1302	>	checkCompletedNormally(f, null);
1303	>	r.assertInvoked();
1304	>	}}
1305
1306		/**
1307	<	* thenApply result completes exceptionally after exceptional
741	<	* completion of source
1307	>	* failing runAsync completes exceptionally after running Runnable
1308		*/
1309	<	public void testThenApply2() {
1310	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1311	<	CompletableFuture<Integer> g = f.thenApply(inc);
1312	<	f.completeExceptionally(new CFException());
1313	<	checkCompletedWithWrappedCFException(g);
1309	>	public void testRunAsync_exceptionalCompletion() {
1310	>	ExecutionMode[] executionModes = {
1311	>	ExecutionMode.ASYNC,
1312	>	ExecutionMode.EXECUTOR,
1313	>	};
1314	>	for (ExecutionMode m : executionModes)
1315	>	{
1316	>	final FailingRunnable r = new FailingRunnable(m);
1317	>	final CompletableFuture<Void> f = m.runAsync(r);
1318	>	checkCompletedWithWrappedException(f, r.ex);
1319	>	r.assertInvoked();
1320	>	}}
1321	>
1322	>	@SuppressWarnings("FutureReturnValueIgnored")
1323	>	public void testRunAsync_rejectingExecutor() {
1324	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1325	>	try {
1326	>	CompletableFuture.runAsync(() -> {}, e);
1327	>	shouldThrow();
1328	>	} catch (Throwable t) {
1329	>	assertSame(e.ex, t);
1330	>	}
1331	>
1332	>	assertEquals(1, e.count.get());
1333		}
1334
1335		/**
1336	<	* thenApply result completes exceptionally if action does
1336	>	* supplyAsync completes with result of supplier
1337		*/
1338	<	public void testThenApply3() {
1339	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1340	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1341	<	f.complete(one);
1342	<	checkCompletedWithWrappedCFException(g);
1343	<	}
1338	>	public void testSupplyAsync_normalCompletion() {
1339	>	ExecutionMode[] executionModes = {
1340	>	ExecutionMode.ASYNC,
1341	>	ExecutionMode.EXECUTOR,
1342	>	};
1343	>	for (ExecutionMode m : executionModes)
1344	>	for (Integer v1 : new Integer[] { 1, null })
1345	>	{
1346	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1347	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1348	>	assertSame(v1, f.join());
1349	>	checkCompletedNormally(f, v1);
1350	>	r.assertInvoked();
1351	>	}}
1352
1353		/**
1354	<	* thenApply result completes exceptionally if source cancelled
1354	>	* Failing supplyAsync completes exceptionally
1355		*/
1356	<	public void testThenApply4() {
1357	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1358	<	CompletableFuture<Integer> g = f.thenApply(inc);
1359	<	assertTrue(f.cancel(true));
1360	<	checkCompletedWithWrappedCancellationException(g);
1356	>	public void testSupplyAsync_exceptionalCompletion() {
1357	>	ExecutionMode[] executionModes = {
1358	>	ExecutionMode.ASYNC,
1359	>	ExecutionMode.EXECUTOR,
1360	>	};
1361	>	for (ExecutionMode m : executionModes)
1362	>	{
1363	>	FailingSupplier r = new FailingSupplier(m);
1364	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1365	>	checkCompletedWithWrappedException(f, r.ex);
1366	>	r.assertInvoked();
1367	>	}}
1368	>
1369	>	@SuppressWarnings("FutureReturnValueIgnored")
1370	>	public void testSupplyAsync_rejectingExecutor() {
1371	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1372	>	try {
1373	>	CompletableFuture.supplyAsync(() -> null, e);
1374	>	shouldThrow();
1375	>	} catch (Throwable t) {
1376	>	assertSame(e.ex, t);
1377	>	}
1378	>
1379	>	assertEquals(1, e.count.get());
1380		}
1381
1382	+	// seq completion methods
1383	+
1384		/**
1385	<	* thenAccept result completes normally after normal completion of source
1385	>	* thenRun result completes normally after normal completion of source
1386		*/
1387	<	public void testThenAccept() {
1388	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1389	<	IncAction r = new IncAction();
1390	<	CompletableFuture<Void> g = f.thenAccept(r);
1391	<	f.complete(one);
1392	<	checkCompletedNormally(g, null);
1393	<	assertEquals(r.value, 2);
1394	<	}
1387	>	public void testThenRun_normalCompletion() {
1388	>	for (ExecutionMode m : ExecutionMode.values())
1389	>	for (Integer v1 : new Integer[] { 1, null })
1390	>	{
1391	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1392	>	final Noop[] rs = new Noop[6];
1393	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1394	>
1395	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1396	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1397	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1398	>	checkIncomplete(h0);
1399	>	checkIncomplete(h1);
1400	>	checkIncomplete(h2);
1401	>	assertTrue(f.complete(v1));
1402	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1403	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1404	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1405	>
1406	>	checkCompletedNormally(h0, null);
1407	>	checkCompletedNormally(h1, null);
1408	>	checkCompletedNormally(h2, null);
1409	>	checkCompletedNormally(h3, null);
1410	>	checkCompletedNormally(h4, null);
1411	>	checkCompletedNormally(h5, null);
1412	>	checkCompletedNormally(f, v1);
1413	>	for (Noop r : rs) r.assertInvoked();
1414	>	}}
1415
1416		/**
1417	<	* thenAccept result completes exceptionally after exceptional
1417	>	* thenRun result completes exceptionally after exceptional
1418		* completion of source
1419		*/
1420	<	public void testThenAccept2() {
1421	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1422	<	IncAction r = new IncAction();
1423	<	CompletableFuture<Void> g = f.thenAccept(r);
1424	<	f.completeExceptionally(new CFException());
1425	<	checkCompletedWithWrappedCFException(g);
1426	<	}
1420	>	public void testThenRun_exceptionalCompletion() {
1421	>	for (ExecutionMode m : ExecutionMode.values())
1422	>	{
1423	>	final CFException ex = new CFException();
1424	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1425	>	final Noop[] rs = new Noop[6];
1426	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1427	>
1428	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1429	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1430	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1431	>	checkIncomplete(h0);
1432	>	checkIncomplete(h1);
1433	>	checkIncomplete(h2);
1434	>	assertTrue(f.completeExceptionally(ex));
1435	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1436	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1437	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1438	>
1439	>	checkCompletedWithWrappedException(h0, ex);
1440	>	checkCompletedWithWrappedException(h1, ex);
1441	>	checkCompletedWithWrappedException(h2, ex);
1442	>	checkCompletedWithWrappedException(h3, ex);
1443	>	checkCompletedWithWrappedException(h4, ex);
1444	>	checkCompletedWithWrappedException(h5, ex);
1445	>	checkCompletedExceptionally(f, ex);
1446	>	for (Noop r : rs) r.assertNotInvoked();
1447	>	}}
1448
1449		/**
1450	<	* thenAccept result completes exceptionally if action does
1450	>	* thenRun result completes exceptionally if source cancelled
1451		*/
1452	<	public void testThenAccept3() {
1453	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1454	<	FailingConsumer r = new FailingConsumer();
1455	<	CompletableFuture<Void> g = f.thenAccept(r);
1456	<	f.complete(one);
1457	<	checkCompletedWithWrappedCFException(g);
1458	<	assertTrue(r.ran);
1459	<	}
1452	>	public void testThenRun_sourceCancelled() {
1453	>	for (ExecutionMode m : ExecutionMode.values())
1454	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1455	>	{
1456	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1457	>	final Noop[] rs = new Noop[6];
1458	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1459	>
1460	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1461	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1462	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1463	>	checkIncomplete(h0);
1464	>	checkIncomplete(h1);
1465	>	checkIncomplete(h2);
1466	>	assertTrue(f.cancel(mayInterruptIfRunning));
1467	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1468	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1469	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1470	>
1471	>	checkCompletedWithWrappedCancellationException(h0);
1472	>	checkCompletedWithWrappedCancellationException(h1);
1473	>	checkCompletedWithWrappedCancellationException(h2);
1474	>	checkCompletedWithWrappedCancellationException(h3);
1475	>	checkCompletedWithWrappedCancellationException(h4);
1476	>	checkCompletedWithWrappedCancellationException(h5);
1477	>	checkCancelled(f);
1478	>	for (Noop r : rs) r.assertNotInvoked();
1479	>	}}
1480
1481		/**
1482	<	* thenAccept result completes exceptionally if source cancelled
1482	>	* thenRun result completes exceptionally if action does
1483		*/
1484	<	public void testThenAccept4() {
1485	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1486	<	IncAction r = new IncAction();
1487	<	CompletableFuture<Void> g = f.thenAccept(r);
1488	<	assertTrue(f.cancel(true));
1489	<	checkCompletedWithWrappedCancellationException(g);
1490	<	}
1484	>	public void testThenRun_actionFailed() {
1485	>	for (ExecutionMode m : ExecutionMode.values())
1486	>	for (Integer v1 : new Integer[] { 1, null })
1487	>	{
1488	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1489	>	final FailingRunnable[] rs = new FailingRunnable[6];
1490	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1491	>
1492	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1493	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1494	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1495	>	assertTrue(f.complete(v1));
1496	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1497	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1498	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1499	>
1500	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1501	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1502	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1503	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1504	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1505	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1506	>	checkCompletedNormally(f, v1);
1507	>	}}
1508
1509		/**
1510	<	* thenCombine result completes normally after normal completion
819	<	* of sources
1510	>	* thenApply result completes normally after normal completion of source
1511		*/
1512	<	public void testThenCombine_normalCompletion1() {
1512	>	public void testThenApply_normalCompletion() {
1513		for (ExecutionMode m : ExecutionMode.values())
1514		for (Integer v1 : new Integer[] { 1, null })
1515	<	for (Integer v2 : new Integer[] { 2, null }) {
825	<
1515	>	{
1516		final CompletableFuture<Integer> f = new CompletableFuture<>();
1517	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1518	<	final SubtractFunction r = new SubtractFunction();
829	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
830	<
831	<	f.complete(v1);
832	<	checkIncomplete(h);
833	<	assertFalse(r.ran());
834	<	g.complete(v2);
1517	>	final IncFunction[] rs = new IncFunction[4];
1518	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1519
1520	<	checkCompletedNormally(h, subtract(v1, v2));
1520	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1521	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1522	>	checkIncomplete(h0);
1523	>	checkIncomplete(h1);
1524	>	assertTrue(f.complete(v1));
1525	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1526	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1527	>
1528	>	checkCompletedNormally(h0, inc(v1));
1529	>	checkCompletedNormally(h1, inc(v1));
1530	>	checkCompletedNormally(h2, inc(v1));
1531	>	checkCompletedNormally(h3, inc(v1));
1532		checkCompletedNormally(f, v1);
1533	<	checkCompletedNormally(g, v2);
1534	<	}
840	<	}
1533	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1534	>	}}
1535
1536	<	public void testThenCombine_normalCompletion2() {
1536	>	/**
1537	>	* thenApply result completes exceptionally after exceptional
1538	>	* completion of source
1539	>	*/
1540	>	public void testThenApply_exceptionalCompletion() {
1541		for (ExecutionMode m : ExecutionMode.values())
1542	<	for (Integer v1 : new Integer[] { 1, null })
1543	<	for (Integer v2 : new Integer[] { 2, null }) {
1542	>	{
1543	>	final CFException ex = new CFException();
1544	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1545	>	final IncFunction[] rs = new IncFunction[4];
1546	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1547	>
1548	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1549	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1550	>	assertTrue(f.completeExceptionally(ex));
1551	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1552	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1553	>
1554	>	checkCompletedWithWrappedException(h0, ex);
1555	>	checkCompletedWithWrappedException(h1, ex);
1556	>	checkCompletedWithWrappedException(h2, ex);
1557	>	checkCompletedWithWrappedException(h3, ex);
1558	>	checkCompletedExceptionally(f, ex);
1559	>	for (IncFunction r : rs) r.assertNotInvoked();
1560	>	}}
1561
1562	+	/**
1563	+	* thenApply result completes exceptionally if source cancelled
1564	+	*/
1565	+	public void testThenApply_sourceCancelled() {
1566	+	for (ExecutionMode m : ExecutionMode.values())
1567	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1568	+	{
1569		final CompletableFuture<Integer> f = new CompletableFuture<>();
1570	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1571	<	final SubtractFunction r = new SubtractFunction();
850	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1570	>	final IncFunction[] rs = new IncFunction[4];
1571	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1572
1573	<	g.complete(v2);
1574	<	checkIncomplete(h);
1575	<	assertFalse(r.ran());
1576	<	f.complete(v1);
1573	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1574	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1575	>	assertTrue(f.cancel(mayInterruptIfRunning));
1576	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1577	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1578
1579	<	checkCompletedNormally(h, subtract(v1, v2));
1580	<	checkCompletedNormally(f, v1);
1581	<	checkCompletedNormally(g, v2);
1582	<	}
1583	<	}
1579	>	checkCompletedWithWrappedCancellationException(h0);
1580	>	checkCompletedWithWrappedCancellationException(h1);
1581	>	checkCompletedWithWrappedCancellationException(h2);
1582	>	checkCompletedWithWrappedCancellationException(h3);
1583	>	checkCancelled(f);
1584	>	for (IncFunction r : rs) r.assertNotInvoked();
1585	>	}}
1586
1587	<	public void testThenCombine_normalCompletion3() {
1587	>	/**
1588	>	* thenApply result completes exceptionally if action does
1589	>	*/
1590	>	public void testThenApply_actionFailed() {
1591		for (ExecutionMode m : ExecutionMode.values())
1592		for (Integer v1 : new Integer[] { 1, null })
1593	<	for (Integer v2 : new Integer[] { 2, null }) {
867	<
1593	>	{
1594		final CompletableFuture<Integer> f = new CompletableFuture<>();
1595	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1596	<	final SubtractFunction r = new SubtractFunction();
871	<
872	<	g.complete(v2);
873	<	f.complete(v1);
874	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1595	>	final FailingFunction[] rs = new FailingFunction[4];
1596	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1597
1598	<	checkCompletedNormally(h, subtract(v1, v2));
1598	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1599	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1600	>	assertTrue(f.complete(v1));
1601	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1602	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1603	>
1604	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1605	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1606	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1607	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1608		checkCompletedNormally(f, v1);
1609	<	checkCompletedNormally(g, v2);
879	<	}
880	<	}
1609	>	}}
1610
1611	<	public void testThenCombine_normalCompletion4() {
1611	>	/**
1612	>	* thenAccept result completes normally after normal completion of source
1613	>	*/
1614	>	public void testThenAccept_normalCompletion() {
1615		for (ExecutionMode m : ExecutionMode.values())
1616		for (Integer v1 : new Integer[] { 1, null })
1617	<	for (Integer v2 : new Integer[] { 2, null }) {
886	<
1617	>	{
1618		final CompletableFuture<Integer> f = new CompletableFuture<>();
1619	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1620	<	final SubtractFunction r = new SubtractFunction();
890	<
891	<	f.complete(v1);
892	<	g.complete(v2);
893	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1619	>	final NoopConsumer[] rs = new NoopConsumer[4];
1620	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1621
1622	<	checkCompletedNormally(h, subtract(v1, v2));
1622	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1623	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1624	>	checkIncomplete(h0);
1625	>	checkIncomplete(h1);
1626	>	assertTrue(f.complete(v1));
1627	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1628	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1629	>
1630	>	checkCompletedNormally(h0, null);
1631	>	checkCompletedNormally(h1, null);
1632	>	checkCompletedNormally(h2, null);
1633	>	checkCompletedNormally(h3, null);
1634		checkCompletedNormally(f, v1);
1635	<	checkCompletedNormally(g, v2);
1636	<	}
899	<	}
1635	>	for (NoopConsumer r : rs) r.assertValue(v1);
1636	>	}}
1637
1638		/**
1639	<	* thenCombine result completes exceptionally after exceptional
1640	<	* completion of either source
1639	>	* thenAccept result completes exceptionally after exceptional
1640	>	* completion of source
1641		*/
1642	<	public void testThenCombine_exceptionalCompletion1() {
1642	>	public void testThenAccept_exceptionalCompletion() {
1643		for (ExecutionMode m : ExecutionMode.values())
1644	<	for (Integer v1 : new Integer[] { 1, null }) {
1644	>	{
1645	>	final CFException ex = new CFException();
1646	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1647	>	final NoopConsumer[] rs = new NoopConsumer[4];
1648	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1649
1650	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1651	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1652	+	assertTrue(f.completeExceptionally(ex));
1653	+	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1654	+	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1655	+
1656	+	checkCompletedWithWrappedException(h0, ex);
1657	+	checkCompletedWithWrappedException(h1, ex);
1658	+	checkCompletedWithWrappedException(h2, ex);
1659	+	checkCompletedWithWrappedException(h3, ex);
1660	+	checkCompletedExceptionally(f, ex);
1661	+	for (NoopConsumer r : rs) r.assertNotInvoked();
1662	+	}}
1663	+
1664	+	/**
1665	+	* thenAccept result completes exceptionally if source cancelled
1666	+	*/
1667	+	public void testThenAccept_sourceCancelled() {
1668	+	for (ExecutionMode m : ExecutionMode.values())
1669	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1670	+	{
1671		final CompletableFuture<Integer> f = new CompletableFuture<>();
1672	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1673	<	final SubtractFunction r = new SubtractFunction();
912	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
913	<	final CFException ex = new CFException();
1672	>	final NoopConsumer[] rs = new NoopConsumer[4];
1673	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1674
1675	<	f.completeExceptionally(ex);
1676	<	checkIncomplete(h);
1677	<	g.complete(v1);
1675	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1676	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1677	>	assertTrue(f.cancel(mayInterruptIfRunning));
1678	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1679	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1680
1681	<	checkCompletedWithWrappedCFException(h, ex);
1682	<	checkCompletedWithWrappedCFException(f, ex);
1683	<	assertFalse(r.ran());
1684	<	checkCompletedNormally(g, v1);
1685	<	}
1686	<	}
1681	>	checkCompletedWithWrappedCancellationException(h0);
1682	>	checkCompletedWithWrappedCancellationException(h1);
1683	>	checkCompletedWithWrappedCancellationException(h2);
1684	>	checkCompletedWithWrappedCancellationException(h3);
1685	>	checkCancelled(f);
1686	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1687	>	}}
1688
1689	<	public void testThenCombine_exceptionalCompletion2() {
1689	>	/**
1690	>	* thenAccept result completes exceptionally if action does
1691	>	*/
1692	>	public void testThenAccept_actionFailed() {
1693		for (ExecutionMode m : ExecutionMode.values())
1694	<	for (Integer v1 : new Integer[] { 1, null }) {
1695	<
1694	>	for (Integer v1 : new Integer[] { 1, null })
1695	>	{
1696		final CompletableFuture<Integer> f = new CompletableFuture<>();
1697	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1698	<	final SubtractFunction r = new SubtractFunction();
933	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, subtract);
934	<	final CFException ex = new CFException();
935	<
936	<	g.completeExceptionally(ex);
937	<	checkIncomplete(h);
938	<	f.complete(v1);
1697	>	final FailingConsumer[] rs = new FailingConsumer[4];
1698	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1699
1700	<	checkCompletedWithWrappedCFException(h, ex);
1701	<	checkCompletedWithWrappedCFException(g, ex);
1702	<	assertFalse(r.ran());
1700	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1701	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1702	>	assertTrue(f.complete(v1));
1703	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1704	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1705	>
1706	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1707	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1708	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1709	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1710		checkCompletedNormally(f, v1);
1711	<	}
945	<	}
1711	>	}}
1712
1713	<	public void testThenCombine_exceptionalCompletion3() {
1713	>	/**
1714	>	* thenCombine result completes normally after normal completion
1715	>	* of sources
1716	>	*/
1717	>	public void testThenCombine_normalCompletion() {
1718		for (ExecutionMode m : ExecutionMode.values())
1719	<	for (Integer v1 : new Integer[] { 1, null }) {
1720	<
1719	>	for (boolean fFirst : new boolean[] { true, false })
1720	>	for (Integer v1 : new Integer[] { 1, null })
1721	>	for (Integer v2 : new Integer[] { 2, null })
1722	>	{
1723		final CompletableFuture<Integer> f = new CompletableFuture<>();
1724		final CompletableFuture<Integer> g = new CompletableFuture<>();
1725	<	final SubtractFunction r = new SubtractFunction();
1726	<	final CFException ex = new CFException();
1725	>	final SubtractFunction[] rs = new SubtractFunction[6];
1726	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1727
1728	<	g.completeExceptionally(ex);
1729	<	f.complete(v1);
1730	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1728	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1729	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1730	>	final Integer w1 =  fFirst ? v1 : v2;
1731	>	final Integer w2 = !fFirst ? v1 : v2;
1732	>
1733	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1734	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1735	>	assertTrue(fst.complete(w1));
1736	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1737	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1738	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1739	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1740	>	checkCompletedNormally(h1, subtract(w1, w1));
1741	>	checkCompletedNormally(h3, subtract(w1, w1));
1742	>	rs[1].assertValue(subtract(w1, w1));
1743	>	rs[3].assertValue(subtract(w1, w1));
1744	>	assertTrue(snd.complete(w2));
1745	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1746	>
1747	>	checkCompletedNormally(h0, subtract(v1, v2));
1748	>	checkCompletedNormally(h2, subtract(v1, v2));
1749	>	checkCompletedNormally(h4, subtract(v1, v2));
1750	>	rs[0].assertValue(subtract(v1, v2));
1751	>	rs[2].assertValue(subtract(v1, v2));
1752	>	rs[4].assertValue(subtract(v1, v2));
1753
960	–	checkCompletedWithWrappedCFException(h, ex);
961	–	checkCompletedWithWrappedCFException(g, ex);
962	–	assertFalse(r.ran());
1754		checkCompletedNormally(f, v1);
1755	<	}
1756	<	}
1755	>	checkCompletedNormally(g, v2);
1756	>	}}
1757
1758	<	public void testThenCombine_exceptionalCompletion4() {
1758	>	/**
1759	>	* thenCombine result completes exceptionally after exceptional
1760	>	* completion of either source
1761	>	*/
1762	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1763		for (ExecutionMode m : ExecutionMode.values())
1764	<	for (Integer v1 : new Integer[] { 1, null }) {
1765	<
1764	>	for (boolean fFirst : new boolean[] { true, false })
1765	>	for (boolean failFirst : new boolean[] { true, false })
1766	>	for (Integer v1 : new Integer[] { 1, null })
1767	>	{
1768		final CompletableFuture<Integer> f = new CompletableFuture<>();
1769		final CompletableFuture<Integer> g = new CompletableFuture<>();
973	–	final SubtractFunction r = new SubtractFunction();
1770		final CFException ex = new CFException();
1771	+	final SubtractFunction r1 = new SubtractFunction(m);
1772	+	final SubtractFunction r2 = new SubtractFunction(m);
1773	+	final SubtractFunction r3 = new SubtractFunction(m);
1774	+
1775	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1776	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1777	+	final Callable<Boolean> complete1 = failFirst ?
1778	+	() -> fst.completeExceptionally(ex) :
1779	+	() -> fst.complete(v1);
1780	+	final Callable<Boolean> complete2 = failFirst ?
1781	+	() -> snd.complete(v1) :
1782	+	() -> snd.completeExceptionally(ex);
1783	+
1784	+	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1785	+	assertTrue(complete1.call());
1786	+	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1787	+	checkIncomplete(h1);
1788	+	checkIncomplete(h2);
1789	+	assertTrue(complete2.call());
1790	+	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1791	+
1792	+	checkCompletedWithWrappedException(h1, ex);
1793	+	checkCompletedWithWrappedException(h2, ex);
1794	+	checkCompletedWithWrappedException(h3, ex);
1795	+	r1.assertNotInvoked();
1796	+	r2.assertNotInvoked();
1797	+	r3.assertNotInvoked();
1798	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1799	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1800	+	}}
1801
1802	<	f.completeExceptionally(ex);
1803	<	g.complete(v1);
1804	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, subtract);
1805	<
1806	<	checkCompletedWithWrappedCFException(h, ex);
1807	<	checkCompletedWithWrappedCFException(f, ex);
1808	<	assertFalse(r.ran());
1809	<	checkCompletedNormally(g, v1);
1810	<	}
1811	<	}
1802	>	/**
1803	>	* thenCombine result completes exceptionally if either source cancelled
1804	>	*/
1805	>	public void testThenCombine_sourceCancelled() throws Throwable {
1806	>	for (ExecutionMode m : ExecutionMode.values())
1807	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1808	>	for (boolean fFirst : new boolean[] { true, false })
1809	>	for (boolean failFirst : new boolean[] { true, false })
1810	>	for (Integer v1 : new Integer[] { 1, null })
1811	>	{
1812	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1813	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1814	>	final SubtractFunction r1 = new SubtractFunction(m);
1815	>	final SubtractFunction r2 = new SubtractFunction(m);
1816	>	final SubtractFunction r3 = new SubtractFunction(m);
1817	>
1818	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1819	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1820	>	final Callable<Boolean> complete1 = failFirst ?
1821	>	() -> fst.cancel(mayInterruptIfRunning) :
1822	>	() -> fst.complete(v1);
1823	>	final Callable<Boolean> complete2 = failFirst ?
1824	>	() -> snd.complete(v1) :
1825	>	() -> snd.cancel(mayInterruptIfRunning);
1826	>
1827	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1828	>	assertTrue(complete1.call());
1829	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1830	>	checkIncomplete(h1);
1831	>	checkIncomplete(h2);
1832	>	assertTrue(complete2.call());
1833	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1834	>
1835	>	checkCompletedWithWrappedCancellationException(h1);
1836	>	checkCompletedWithWrappedCancellationException(h2);
1837	>	checkCompletedWithWrappedCancellationException(h3);
1838	>	r1.assertNotInvoked();
1839	>	r2.assertNotInvoked();
1840	>	r3.assertNotInvoked();
1841	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1842	>	checkCancelled(failFirst ? fst : snd);
1843	>	}}
1844
1845		/**
1846		* thenCombine result completes exceptionally if action does
1847		*/
1848	<	public void testThenCombine_actionFailed1() {
1848	>	public void testThenCombine_actionFailed() {
1849		for (ExecutionMode m : ExecutionMode.values())
1850	+	for (boolean fFirst : new boolean[] { true, false })
1851		for (Integer v1 : new Integer[] { 1, null })
1852	<	for (Integer v2 : new Integer[] { 2, null }) {
1853	<
1852	>	for (Integer v2 : new Integer[] { 2, null })
1853	>	{
1854		final CompletableFuture<Integer> f = new CompletableFuture<>();
1855		final CompletableFuture<Integer> g = new CompletableFuture<>();
1856	<	final FailingBiFunction r = new FailingBiFunction();
1857	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1858	<
1859	<	f.complete(v1);
1860	<	checkIncomplete(h);
1861	<	g.complete(v2);
1862	<
1863	<	checkCompletedWithWrappedCFException(h);
1856	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1857	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1858	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1859	>
1860	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1861	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1862	>	final Integer w1 =  fFirst ? v1 : v2;
1863	>	final Integer w2 = !fFirst ? v1 : v2;
1864	>
1865	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1866	>	assertTrue(fst.complete(w1));
1867	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1868	>	assertTrue(snd.complete(w2));
1869	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1870	>
1871	>	checkCompletedWithWrappedException(h1, r1.ex);
1872	>	checkCompletedWithWrappedException(h2, r2.ex);
1873	>	checkCompletedWithWrappedException(h3, r3.ex);
1874	>	r1.assertInvoked();
1875	>	r2.assertInvoked();
1876	>	r3.assertInvoked();
1877		checkCompletedNormally(f, v1);
1878		checkCompletedNormally(g, v2);
1879	<	}
1008	<	}
1879	>	}}
1880
1881	<	public void testThenCombine_actionFailed2() {
1881	>	/**
1882	>	* thenAcceptBoth result completes normally after normal
1883	>	* completion of sources
1884	>	*/
1885	>	public void testThenAcceptBoth_normalCompletion() {
1886		for (ExecutionMode m : ExecutionMode.values())
1887	+	for (boolean fFirst : new boolean[] { true, false })
1888		for (Integer v1 : new Integer[] { 1, null })
1889	<	for (Integer v2 : new Integer[] { 2, null }) {
1890	<
1889	>	for (Integer v2 : new Integer[] { 2, null })
1890	>	{
1891		final CompletableFuture<Integer> f = new CompletableFuture<>();
1892		final CompletableFuture<Integer> g = new CompletableFuture<>();
1893	<	final FailingBiFunction r = new FailingBiFunction();
1894	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1895	<
1896	<	g.complete(v2);
1897	<	checkIncomplete(h);
1898	<	f.complete(v1);
1899	<
1900	<	checkCompletedWithWrappedCFException(h);
1893	>	final SubtractAction r1 = new SubtractAction(m);
1894	>	final SubtractAction r2 = new SubtractAction(m);
1895	>	final SubtractAction r3 = new SubtractAction(m);
1896	>
1897	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1898	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1899	>	final Integer w1 =  fFirst ? v1 : v2;
1900	>	final Integer w2 = !fFirst ? v1 : v2;
1901	>
1902	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1903	>	assertTrue(fst.complete(w1));
1904	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1905	>	checkIncomplete(h1);
1906	>	checkIncomplete(h2);
1907	>	r1.assertNotInvoked();
1908	>	r2.assertNotInvoked();
1909	>	assertTrue(snd.complete(w2));
1910	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1911	>
1912	>	checkCompletedNormally(h1, null);
1913	>	checkCompletedNormally(h2, null);
1914	>	checkCompletedNormally(h3, null);
1915	>	r1.assertValue(subtract(v1, v2));
1916	>	r2.assertValue(subtract(v1, v2));
1917	>	r3.assertValue(subtract(v1, v2));
1918		checkCompletedNormally(f, v1);
1919		checkCompletedNormally(g, v2);
1920	<	}
1028	<	}
1920	>	}}
1921
1922		/**
1923	<	* thenCombine result completes exceptionally if either source cancelled
1923	>	* thenAcceptBoth result completes exceptionally after exceptional
1924	>	* completion of either source
1925		*/
1926	<	public void testThenCombine_sourceCancelled1() {
1926	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1927		for (ExecutionMode m : ExecutionMode.values())
1928	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1929	<	for (Integer v1 : new Integer[] { 1, null }) {
1930	<
1928	>	for (boolean fFirst : new boolean[] { true, false })
1929	>	for (boolean failFirst : new boolean[] { true, false })
1930	>	for (Integer v1 : new Integer[] { 1, null })
1931	>	{
1932		final CompletableFuture<Integer> f = new CompletableFuture<>();
1933		final CompletableFuture<Integer> g = new CompletableFuture<>();
1934	<	final SubtractFunction r = new SubtractFunction();
1935	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1936	<
1937	<	assertTrue(f.cancel(mayInterruptIfRunning));
1938	<	checkIncomplete(h);
1939	<	g.complete(v1);
1940	<
1941	<	checkCompletedWithWrappedCancellationException(h);
1942	<	checkCancelled(f);
1943	<	assertFalse(r.ran());
1944	<	checkCompletedNormally(g, v1);
1945	<	}
1946	<	}
1934	>	final CFException ex = new CFException();
1935	>	final SubtractAction r1 = new SubtractAction(m);
1936	>	final SubtractAction r2 = new SubtractAction(m);
1937	>	final SubtractAction r3 = new SubtractAction(m);
1938	>
1939	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1940	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1941	>	final Callable<Boolean> complete1 = failFirst ?
1942	>	() -> fst.completeExceptionally(ex) :
1943	>	() -> fst.complete(v1);
1944	>	final Callable<Boolean> complete2 = failFirst ?
1945	>	() -> snd.complete(v1) :
1946	>	() -> snd.completeExceptionally(ex);
1947	>
1948	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1949	>	assertTrue(complete1.call());
1950	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1951	>	checkIncomplete(h1);
1952	>	checkIncomplete(h2);
1953	>	assertTrue(complete2.call());
1954	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1955	>
1956	>	checkCompletedWithWrappedException(h1, ex);
1957	>	checkCompletedWithWrappedException(h2, ex);
1958	>	checkCompletedWithWrappedException(h3, ex);
1959	>	r1.assertNotInvoked();
1960	>	r2.assertNotInvoked();
1961	>	r3.assertNotInvoked();
1962	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1963	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1964	>	}}
1965
1966	<	public void testThenCombine_sourceCancelled2() {
1966	>	/**
1967	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1968	>	*/
1969	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1970		for (ExecutionMode m : ExecutionMode.values())
1971		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1972	<	for (Integer v1 : new Integer[] { 1, null }) {
1973	<
1972	>	for (boolean fFirst : new boolean[] { true, false })
1973	>	for (boolean failFirst : new boolean[] { true, false })
1974	>	for (Integer v1 : new Integer[] { 1, null })
1975	>	{
1976		final CompletableFuture<Integer> f = new CompletableFuture<>();
1977		final CompletableFuture<Integer> g = new CompletableFuture<>();
1978	<	final SubtractFunction r = new SubtractFunction();
1979	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1980	<
1981	<	assertTrue(g.cancel(mayInterruptIfRunning));
1982	<	checkIncomplete(h);
1983	<	f.complete(v1);
1984	<
1985	<	checkCompletedWithWrappedCancellationException(h);
1986	<	checkCancelled(g);
1987	<	assertFalse(r.ran());
1988	<	checkCompletedNormally(f, v1);
1989	<	}
1990	<	}
1978	>	final SubtractAction r1 = new SubtractAction(m);
1979	>	final SubtractAction r2 = new SubtractAction(m);
1980	>	final SubtractAction r3 = new SubtractAction(m);
1981	>
1982	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1983	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1984	>	final Callable<Boolean> complete1 = failFirst ?
1985	>	() -> fst.cancel(mayInterruptIfRunning) :
1986	>	() -> fst.complete(v1);
1987	>	final Callable<Boolean> complete2 = failFirst ?
1988	>	() -> snd.complete(v1) :
1989	>	() -> snd.cancel(mayInterruptIfRunning);
1990	>
1991	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1992	>	assertTrue(complete1.call());
1993	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1994	>	checkIncomplete(h1);
1995	>	checkIncomplete(h2);
1996	>	assertTrue(complete2.call());
1997	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1998	>
1999	>	checkCompletedWithWrappedCancellationException(h1);
2000	>	checkCompletedWithWrappedCancellationException(h2);
2001	>	checkCompletedWithWrappedCancellationException(h3);
2002	>	r1.assertNotInvoked();
2003	>	r2.assertNotInvoked();
2004	>	r3.assertNotInvoked();
2005	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2006	>	checkCancelled(failFirst ? fst : snd);
2007	>	}}
2008
2009	<	public void testThenCombine_sourceCancelled3() {
2009	>	/**
2010	>	* thenAcceptBoth result completes exceptionally if action does
2011	>	*/
2012	>	public void testThenAcceptBoth_actionFailed() {
2013		for (ExecutionMode m : ExecutionMode.values())
2014	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2015	<	for (Integer v1 : new Integer[] { 1, null }) {
2016	<
2014	>	for (boolean fFirst : new boolean[] { true, false })
2015	>	for (Integer v1 : new Integer[] { 1, null })
2016	>	for (Integer v2 : new Integer[] { 2, null })
2017	>	{
2018		final CompletableFuture<Integer> f = new CompletableFuture<>();
2019		final CompletableFuture<Integer> g = new CompletableFuture<>();
2020	<	final SubtractFunction r = new SubtractFunction();
2021	<
2022	<	assertTrue(g.cancel(mayInterruptIfRunning));
2023	<	f.complete(v1);
2024	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
2025	<
2026	<	checkCompletedWithWrappedCancellationException(h);
2027	<	checkCancelled(g);
2028	<	assertFalse(r.ran());
2020	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2021	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2022	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2023	>
2024	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2025	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2026	>	final Integer w1 =  fFirst ? v1 : v2;
2027	>	final Integer w2 = !fFirst ? v1 : v2;
2028	>
2029	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2030	>	assertTrue(fst.complete(w1));
2031	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2032	>	assertTrue(snd.complete(w2));
2033	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2034	>
2035	>	checkCompletedWithWrappedException(h1, r1.ex);
2036	>	checkCompletedWithWrappedException(h2, r2.ex);
2037	>	checkCompletedWithWrappedException(h3, r3.ex);
2038	>	r1.assertInvoked();
2039	>	r2.assertInvoked();
2040	>	r3.assertInvoked();
2041		checkCompletedNormally(f, v1);
2042	<	}
2043	<	}
1094	<
1095	<	public void testThenCombine_sourceCancelled4() {
1096	<	for (ExecutionMode m : ExecutionMode.values())
1097	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1098	<	for (Integer v1 : new Integer[] { 1, null }) {
1099	<
1100	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1101	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1102	<	final SubtractFunction r = new SubtractFunction();
1103	<
1104	<	assertTrue(f.cancel(mayInterruptIfRunning));
1105	<	g.complete(v1);
1106	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1107	<
1108	<	checkCompletedWithWrappedCancellationException(h);
1109	<	checkCancelled(f);
1110	<	assertFalse(r.ran());
1111	<	checkCompletedNormally(g, v1);
1112	<	}
1113	<	}
2042	>	checkCompletedNormally(g, v2);
2043	>	}}
2044
2045		/**
2046	<	* thenAcceptBoth result completes normally after normal
2046	>	* runAfterBoth result completes normally after normal
2047		* completion of sources
2048		*/
2049	<	public void testThenAcceptBoth_normalCompletion1() {
2049	>	public void testRunAfterBoth_normalCompletion() {
2050		for (ExecutionMode m : ExecutionMode.values())
2051	+	for (boolean fFirst : new boolean[] { true, false })
2052		for (Integer v1 : new Integer[] { 1, null })
2053	<	for (Integer v2 : new Integer[] { 2, null }) {
2054	<
2053	>	for (Integer v2 : new Integer[] { 2, null })
2054	>	{
2055		final CompletableFuture<Integer> f = new CompletableFuture<>();
2056		final CompletableFuture<Integer> g = new CompletableFuture<>();
2057	<	final SubtractAction r = new SubtractAction();
2058	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2059	<
2060	<	f.complete(v1);
2061	<	checkIncomplete(h);
2062	<	assertEquals(r.value, 0);
2063	<	g.complete(v2);
2064	<
2065	<	checkCompletedNormally(h, null);
2066	<	assertEquals(r.value, subtract(v1, v2));
2057	>	final Noop r1 = new Noop(m);
2058	>	final Noop r2 = new Noop(m);
2059	>	final Noop r3 = new Noop(m);
2060	>
2061	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2062	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2063	>	final Integer w1 =  fFirst ? v1 : v2;
2064	>	final Integer w2 = !fFirst ? v1 : v2;
2065	>
2066	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2067	>	assertTrue(fst.complete(w1));
2068	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2069	>	checkIncomplete(h1);
2070	>	checkIncomplete(h2);
2071	>	r1.assertNotInvoked();
2072	>	r2.assertNotInvoked();
2073	>	assertTrue(snd.complete(w2));
2074	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2075	>
2076	>	checkCompletedNormally(h1, null);
2077	>	checkCompletedNormally(h2, null);
2078	>	checkCompletedNormally(h3, null);
2079	>	r1.assertInvoked();
2080	>	r2.assertInvoked();
2081	>	r3.assertInvoked();
2082		checkCompletedNormally(f, v1);
2083		checkCompletedNormally(g, v2);
2084	<	}
1139	<	}
2084	>	}}
2085
2086	<	public void testThenAcceptBoth_normalCompletion2() {
2086	>	/**
2087	>	* runAfterBoth result completes exceptionally after exceptional
2088	>	* completion of either source
2089	>	*/
2090	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2091		for (ExecutionMode m : ExecutionMode.values())
2092	+	for (boolean fFirst : new boolean[] { true, false })
2093	+	for (boolean failFirst : new boolean[] { true, false })
2094		for (Integer v1 : new Integer[] { 1, null })
2095	<	for (Integer v2 : new Integer[] { 2, null }) {
1145	<
2095	>	{
2096		final CompletableFuture<Integer> f = new CompletableFuture<>();
2097		final CompletableFuture<Integer> g = new CompletableFuture<>();
2098	<	final SubtractAction r = new SubtractAction();
2099	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2100	<
2101	<	g.complete(v2);
2102	<	checkIncomplete(h);
2103	<	assertEquals(r.value, 0);
2104	<	f.complete(v1);
2105	<
2106	<	checkCompletedNormally(h, null);
2107	<	assertEquals(r.value, subtract(v1, v2));
2108	<	checkCompletedNormally(f, v1);
2109	<	checkCompletedNormally(g, v2);
2110	<	}
2111	<	}
2098	>	final CFException ex = new CFException();
2099	>	final Noop r1 = new Noop(m);
2100	>	final Noop r2 = new Noop(m);
2101	>	final Noop r3 = new Noop(m);
2102	>
2103	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2104	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2105	>	final Callable<Boolean> complete1 = failFirst ?
2106	>	() -> fst.completeExceptionally(ex) :
2107	>	() -> fst.complete(v1);
2108	>	final Callable<Boolean> complete2 = failFirst ?
2109	>	() -> snd.complete(v1) :
2110	>	() -> snd.completeExceptionally(ex);
2111	>
2112	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2113	>	assertTrue(complete1.call());
2114	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2115	>	checkIncomplete(h1);
2116	>	checkIncomplete(h2);
2117	>	assertTrue(complete2.call());
2118	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2119	>
2120	>	checkCompletedWithWrappedException(h1, ex);
2121	>	checkCompletedWithWrappedException(h2, ex);
2122	>	checkCompletedWithWrappedException(h3, ex);
2123	>	r1.assertNotInvoked();
2124	>	r2.assertNotInvoked();
2125	>	r3.assertNotInvoked();
2126	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2127	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2128	>	}}
2129
2130	<	public void testThenAcceptBoth_normalCompletion3() {
2130	>	/**
2131	>	* runAfterBoth result completes exceptionally if either source cancelled
2132	>	*/
2133	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2134		for (ExecutionMode m : ExecutionMode.values())
2135	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2136	+	for (boolean fFirst : new boolean[] { true, false })
2137	+	for (boolean failFirst : new boolean[] { true, false })
2138		for (Integer v1 : new Integer[] { 1, null })
2139	<	for (Integer v2 : new Integer[] { 2, null }) {
1167	<
2139	>	{
2140		final CompletableFuture<Integer> f = new CompletableFuture<>();
2141		final CompletableFuture<Integer> g = new CompletableFuture<>();
2142	<	final SubtractAction r = new SubtractAction();
2143	<
2144	<	g.complete(v2);
2145	<	f.complete(v1);
2146	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2142	>	final Noop r1 = new Noop(m);
2143	>	final Noop r2 = new Noop(m);
2144	>	final Noop r3 = new Noop(m);
2145	>
2146	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2147	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2148	>	final Callable<Boolean> complete1 = failFirst ?
2149	>	() -> fst.cancel(mayInterruptIfRunning) :
2150	>	() -> fst.complete(v1);
2151	>	final Callable<Boolean> complete2 = failFirst ?
2152	>	() -> snd.complete(v1) :
2153	>	() -> snd.cancel(mayInterruptIfRunning);
2154	>
2155	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2156	>	assertTrue(complete1.call());
2157	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2158	>	checkIncomplete(h1);
2159	>	checkIncomplete(h2);
2160	>	assertTrue(complete2.call());
2161	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2162	>
2163	>	checkCompletedWithWrappedCancellationException(h1);
2164	>	checkCompletedWithWrappedCancellationException(h2);
2165	>	checkCompletedWithWrappedCancellationException(h3);
2166	>	r1.assertNotInvoked();
2167	>	r2.assertNotInvoked();
2168	>	r3.assertNotInvoked();
2169	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2170	>	checkCancelled(failFirst ? fst : snd);
2171	>	}}
2172
2173	<	checkCompletedNormally(h, null);
2174	<	assertEquals(r.value, subtract(v1, v2));
2173	>	/**
2174	>	* runAfterBoth result completes exceptionally if action does
2175	>	*/
2176	>	public void testRunAfterBoth_actionFailed() {
2177	>	for (ExecutionMode m : ExecutionMode.values())
2178	>	for (boolean fFirst : new boolean[] { true, false })
2179	>	for (Integer v1 : new Integer[] { 1, null })
2180	>	for (Integer v2 : new Integer[] { 2, null })
2181	>	{
2182	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2183	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2184	>	final FailingRunnable r1 = new FailingRunnable(m);
2185	>	final FailingRunnable r2 = new FailingRunnable(m);
2186	>	final FailingRunnable r3 = new FailingRunnable(m);
2187	>
2188	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2189	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2190	>	final Integer w1 =  fFirst ? v1 : v2;
2191	>	final Integer w2 = !fFirst ? v1 : v2;
2192	>
2193	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2194	>	assertTrue(fst.complete(w1));
2195	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2196	>	assertTrue(snd.complete(w2));
2197	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2198	>
2199	>	checkCompletedWithWrappedException(h1, r1.ex);
2200	>	checkCompletedWithWrappedException(h2, r2.ex);
2201	>	checkCompletedWithWrappedException(h3, r3.ex);
2202	>	r1.assertInvoked();
2203	>	r2.assertInvoked();
2204	>	r3.assertInvoked();
2205		checkCompletedNormally(f, v1);
2206		checkCompletedNormally(g, v2);
2207	<	}
1181	<	}
2207	>	}}
2208
2209	<	public void testThenAcceptBoth_normalCompletion4() {
2209	>	/**
2210	>	* applyToEither result completes normally after normal completion
2211	>	* of either source
2212	>	*/
2213	>	public void testApplyToEither_normalCompletion() {
2214		for (ExecutionMode m : ExecutionMode.values())
2215		for (Integer v1 : new Integer[] { 1, null })
2216	<	for (Integer v2 : new Integer[] { 2, null }) {
2217	<
2216	>	for (Integer v2 : new Integer[] { 2, null })
2217	>	{
2218		final CompletableFuture<Integer> f = new CompletableFuture<>();
2219		final CompletableFuture<Integer> g = new CompletableFuture<>();
2220	<	final SubtractAction r = new SubtractAction();
2220	>	final IncFunction[] rs = new IncFunction[6];
2221	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2222
2223	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2224	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2225	+	checkIncomplete(h0);
2226	+	checkIncomplete(h1);
2227	+	rs[0].assertNotInvoked();
2228	+	rs[1].assertNotInvoked();
2229		f.complete(v1);
2230	+	checkCompletedNormally(h0, inc(v1));
2231	+	checkCompletedNormally(h1, inc(v1));
2232	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2233	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2234	+	checkCompletedNormally(h2, inc(v1));
2235	+	checkCompletedNormally(h3, inc(v1));
2236		g.complete(v2);
1194	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2237
2238	<	checkCompletedNormally(h, null);
2239	<	assertEquals(r.value, subtract(v1, v2));
2238	>	// unspecified behavior - both source completions available
2239	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2240	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2241	>	rs[4].assertValue(h4.join());
2242	>	rs[5].assertValue(h5.join());
2243	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2244	>	Objects.equals(inc(v2), h4.join()));
2245	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2246	>	Objects.equals(inc(v2), h5.join()));
2247	>
2248		checkCompletedNormally(f, v1);
2249		checkCompletedNormally(g, v2);
2250	<	}
2251	<	}
2250	>	checkCompletedNormally(h0, inc(v1));
2251	>	checkCompletedNormally(h1, inc(v1));
2252	>	checkCompletedNormally(h2, inc(v1));
2253	>	checkCompletedNormally(h3, inc(v1));
2254	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2255	>	}}
2256
2257		/**
2258	<	* thenAcceptBoth result completes exceptionally after exceptional
2258	>	* applyToEither result completes exceptionally after exceptional
2259		* completion of either source
2260		*/
2261	<	public void testThenAcceptBoth_exceptionalCompletion1() {
2261	>	public void testApplyToEither_exceptionalCompletion() {
2262		for (ExecutionMode m : ExecutionMode.values())
2263	<	for (Integer v1 : new Integer[] { 1, null }) {
2264	<
2263	>	for (Integer v1 : new Integer[] { 1, null })
2264	>	{
2265		final CompletableFuture<Integer> f = new CompletableFuture<>();
2266		final CompletableFuture<Integer> g = new CompletableFuture<>();
1213	–	final SubtractAction r = new SubtractAction();
1214	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2267		final CFException ex = new CFException();
2268	+	final IncFunction[] rs = new IncFunction[6];
2269	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2270
2271	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2272	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2273	+	checkIncomplete(h0);
2274	+	checkIncomplete(h1);
2275	+	rs[0].assertNotInvoked();
2276	+	rs[1].assertNotInvoked();
2277		f.completeExceptionally(ex);
2278	<	checkIncomplete(h);
2278	>	checkCompletedWithWrappedException(h0, ex);
2279	>	checkCompletedWithWrappedException(h1, ex);
2280	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2281	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2282	>	checkCompletedWithWrappedException(h2, ex);
2283	>	checkCompletedWithWrappedException(h3, ex);
2284		g.complete(v1);
2285
2286	<	checkCompletedWithWrappedCFException(h, ex);
2287	<	checkCompletedWithWrappedCFException(f, ex);
2288	<	assertFalse(r.ran());
2289	<	checkCompletedNormally(g, v1);
2286	>	// unspecified behavior - both source completions available
2287	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2288	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2289	>	try {
2290	>	assertEquals(inc(v1), h4.join());
2291	>	rs[4].assertValue(inc(v1));
2292	>	} catch (CompletionException ok) {
2293	>	checkCompletedWithWrappedException(h4, ex);
2294	>	rs[4].assertNotInvoked();
2295	>	}
2296	>	try {
2297	>	assertEquals(inc(v1), h5.join());
2298	>	rs[5].assertValue(inc(v1));
2299	>	} catch (CompletionException ok) {
2300	>	checkCompletedWithWrappedException(h5, ex);
2301	>	rs[5].assertNotInvoked();
2302		}
1226	–	}
2303
2304	<	public void testThenAcceptBoth_exceptionalCompletion2() {
2305	<	for (ExecutionMode m : ExecutionMode.values())
2306	<	for (Integer v1 : new Integer[] { 1, null }) {
2304	>	checkCompletedExceptionally(f, ex);
2305	>	checkCompletedNormally(g, v1);
2306	>	checkCompletedWithWrappedException(h0, ex);
2307	>	checkCompletedWithWrappedException(h1, ex);
2308	>	checkCompletedWithWrappedException(h2, ex);
2309	>	checkCompletedWithWrappedException(h3, ex);
2310	>	checkCompletedWithWrappedException(h4, ex);
2311	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2312	>	}}
2313
2314	+	public void testApplyToEither_exceptionalCompletion2() {
2315	+	for (ExecutionMode m : ExecutionMode.values())
2316	+	for (boolean fFirst : new boolean[] { true, false })
2317	+	for (Integer v1 : new Integer[] { 1, null })
2318	+	{
2319		final CompletableFuture<Integer> f = new CompletableFuture<>();
2320		final CompletableFuture<Integer> g = new CompletableFuture<>();
1234	–	final SubtractAction r = new SubtractAction();
1235	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2321		final CFException ex = new CFException();
2322	+	final IncFunction[] rs = new IncFunction[6];
2323	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2324
2325	<	g.completeExceptionally(ex);
2326	<	checkIncomplete(h);
2327	<	f.complete(v1);
2325	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2326	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2327	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2328	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2329	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2330	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2331
2332	<	checkCompletedWithWrappedCFException(h, ex);
2333	<	checkCompletedWithWrappedCFException(g, ex);
2334	<	assertFalse(r.ran());
2335	<	checkCompletedNormally(f, v1);
2332	>	// unspecified behavior - both source completions available
2333	>	try {
2334	>	assertEquals(inc(v1), h0.join());
2335	>	rs[0].assertValue(inc(v1));
2336	>	} catch (CompletionException ok) {
2337	>	checkCompletedWithWrappedException(h0, ex);
2338	>	rs[0].assertNotInvoked();
2339	>	}
2340	>	try {
2341	>	assertEquals(inc(v1), h1.join());
2342	>	rs[1].assertValue(inc(v1));
2343	>	} catch (CompletionException ok) {
2344	>	checkCompletedWithWrappedException(h1, ex);
2345	>	rs[1].assertNotInvoked();
2346	>	}
2347	>	try {
2348	>	assertEquals(inc(v1), h2.join());
2349	>	rs[2].assertValue(inc(v1));
2350	>	} catch (CompletionException ok) {
2351	>	checkCompletedWithWrappedException(h2, ex);
2352	>	rs[2].assertNotInvoked();
2353	>	}
2354	>	try {
2355	>	assertEquals(inc(v1), h3.join());
2356	>	rs[3].assertValue(inc(v1));
2357	>	} catch (CompletionException ok) {
2358	>	checkCompletedWithWrappedException(h3, ex);
2359	>	rs[3].assertNotInvoked();
2360		}
1247	–	}
2361
2362	<	public void testThenAcceptBoth_exceptionalCompletion3() {
2363	<	for (ExecutionMode m : ExecutionMode.values())
2364	<	for (Integer v1 : new Integer[] { 1, null }) {
2362	>	checkCompletedNormally(f, v1);
2363	>	checkCompletedExceptionally(g, ex);
2364	>	}}
2365
2366	+	/**
2367	+	* applyToEither result completes exceptionally if either source cancelled
2368	+	*/
2369	+	public void testApplyToEither_sourceCancelled() {
2370	+	for (ExecutionMode m : ExecutionMode.values())
2371	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2372	+	for (Integer v1 : new Integer[] { 1, null })
2373	+	{
2374		final CompletableFuture<Integer> f = new CompletableFuture<>();
2375		final CompletableFuture<Integer> g = new CompletableFuture<>();
2376	<	final SubtractAction r = new SubtractAction();
2377	<	final CFException ex = new CFException();
2376	>	final IncFunction[] rs = new IncFunction[6];
2377	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2378
2379	<	g.completeExceptionally(ex);
2380	<	f.complete(v1);
2381	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2379	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2380	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2381	>	checkIncomplete(h0);
2382	>	checkIncomplete(h1);
2383	>	rs[0].assertNotInvoked();
2384	>	rs[1].assertNotInvoked();
2385	>	f.cancel(mayInterruptIfRunning);
2386	>	checkCompletedWithWrappedCancellationException(h0);
2387	>	checkCompletedWithWrappedCancellationException(h1);
2388	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2389	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2390	>	checkCompletedWithWrappedCancellationException(h2);
2391	>	checkCompletedWithWrappedCancellationException(h3);
2392	>	g.complete(v1);
2393
2394	<	checkCompletedWithWrappedCFException(h, ex);
2395	<	checkCompletedWithWrappedCFException(g, ex);
2396	<	assertFalse(r.ran());
2397	<	checkCompletedNormally(f, v1);
2394	>	// unspecified behavior - both source completions available
2395	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2396	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2397	>	try {
2398	>	assertEquals(inc(v1), h4.join());
2399	>	rs[4].assertValue(inc(v1));
2400	>	} catch (CompletionException ok) {
2401	>	checkCompletedWithWrappedCancellationException(h4);
2402	>	rs[4].assertNotInvoked();
2403	>	}
2404	>	try {
2405	>	assertEquals(inc(v1), h5.join());
2406	>	rs[5].assertValue(inc(v1));
2407	>	} catch (CompletionException ok) {
2408	>	checkCompletedWithWrappedCancellationException(h5);
2409	>	rs[5].assertNotInvoked();
2410		}
1267	–	}
2411
2412	<	public void testThenAcceptBoth_exceptionalCompletion4() {
2413	<	for (ExecutionMode m : ExecutionMode.values())
2414	<	for (Integer v1 : new Integer[] { 1, null }) {
2412	>	checkCancelled(f);
2413	>	checkCompletedNormally(g, v1);
2414	>	checkCompletedWithWrappedCancellationException(h0);
2415	>	checkCompletedWithWrappedCancellationException(h1);
2416	>	checkCompletedWithWrappedCancellationException(h2);
2417	>	checkCompletedWithWrappedCancellationException(h3);
2418	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2419	>	}}
2420
2421	+	public void testApplyToEither_sourceCancelled2() {
2422	+	for (ExecutionMode m : ExecutionMode.values())
2423	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2424	+	for (boolean fFirst : new boolean[] { true, false })
2425	+	for (Integer v1 : new Integer[] { 1, null })
2426	+	{
2427		final CompletableFuture<Integer> f = new CompletableFuture<>();
2428		final CompletableFuture<Integer> g = new CompletableFuture<>();
2429	<	final SubtractAction r = new SubtractAction();
2430	<	final CFException ex = new CFException();
2429	>	final IncFunction[] rs = new IncFunction[6];
2430	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2431
2432	<	f.completeExceptionally(ex);
2433	<	g.complete(v1);
2434	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2432	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2433	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2434	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2435	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2436	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2437	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2438
2439	<	checkCompletedWithWrappedCFException(h, ex);
2440	<	checkCompletedWithWrappedCFException(f, ex);
2441	<	assertFalse(r.ran());
2442	<	checkCompletedNormally(g, v1);
2439	>	// unspecified behavior - both source completions available
2440	>	try {
2441	>	assertEquals(inc(v1), h0.join());
2442	>	rs[0].assertValue(inc(v1));
2443	>	} catch (CompletionException ok) {
2444	>	checkCompletedWithWrappedCancellationException(h0);
2445	>	rs[0].assertNotInvoked();
2446		}
2447	<	}
2447	>	try {
2448	>	assertEquals(inc(v1), h1.join());
2449	>	rs[1].assertValue(inc(v1));
2450	>	} catch (CompletionException ok) {
2451	>	checkCompletedWithWrappedCancellationException(h1);
2452	>	rs[1].assertNotInvoked();
2453	>	}
2454	>	try {
2455	>	assertEquals(inc(v1), h2.join());
2456	>	rs[2].assertValue(inc(v1));
2457	>	} catch (CompletionException ok) {
2458	>	checkCompletedWithWrappedCancellationException(h2);
2459	>	rs[2].assertNotInvoked();
2460	>	}
2461	>	try {
2462	>	assertEquals(inc(v1), h3.join());
2463	>	rs[3].assertValue(inc(v1));
2464	>	} catch (CompletionException ok) {
2465	>	checkCompletedWithWrappedCancellationException(h3);
2466	>	rs[3].assertNotInvoked();
2467	>	}
2468	>
2469	>	checkCompletedNormally(f, v1);
2470	>	checkCancelled(g);
2471	>	}}
2472
2473		/**
2474	<	* thenAcceptBoth result completes exceptionally if action does
2474	>	* applyToEither result completes exceptionally if action does
2475		*/
2476	<	public void testThenAcceptBoth_actionFailed1() {
2476	>	public void testApplyToEither_actionFailed() {
2477		for (ExecutionMode m : ExecutionMode.values())
2478		for (Integer v1 : new Integer[] { 1, null })
2479	<	for (Integer v2 : new Integer[] { 2, null }) {
2480	<
2479	>	for (Integer v2 : new Integer[] { 2, null })
2480	>	{
2481		final CompletableFuture<Integer> f = new CompletableFuture<>();
2482		final CompletableFuture<Integer> g = new CompletableFuture<>();
2483	<	final FailingBiConsumer r = new FailingBiConsumer();
2484	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2483	>	final FailingFunction[] rs = new FailingFunction[6];
2484	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2485
2486	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2487	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2488		f.complete(v1);
2489	<	checkIncomplete(h);
2489	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2490	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2491	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2492	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2493	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2494	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2495	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2496	>
2497		g.complete(v2);
2498
2499	<	checkCompletedWithWrappedCFException(h);
2499	>	// unspecified behavior - both source completions available
2500	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2501	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2502	>
2503	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2504	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2505	>	Objects.equals(v2, rs[4].value));
2506	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2507	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2508	>	Objects.equals(v2, rs[5].value));
2509	>
2510		checkCompletedNormally(f, v1);
2511		checkCompletedNormally(g, v2);
2512	<	}
1310	<	}
2512	>	}}
2513
2514	<	public void testThenAcceptBoth_actionFailed2() {
2514	>	/**
2515	>	* acceptEither result completes normally after normal completion
2516	>	* of either source
2517	>	*/
2518	>	public void testAcceptEither_normalCompletion() {
2519		for (ExecutionMode m : ExecutionMode.values())
2520		for (Integer v1 : new Integer[] { 1, null })
2521	<	for (Integer v2 : new Integer[] { 2, null }) {
2522	<
2521	>	for (Integer v2 : new Integer[] { 2, null })
2522	>	{
2523		final CompletableFuture<Integer> f = new CompletableFuture<>();
2524		final CompletableFuture<Integer> g = new CompletableFuture<>();
2525	<	final FailingBiConsumer r = new FailingBiConsumer();
2526	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2525	>	final NoopConsumer[] rs = new NoopConsumer[6];
2526	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2527
2528	<	g.complete(v2);
2529	<	checkIncomplete(h);
2528	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2529	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2530	>	checkIncomplete(h0);
2531	>	checkIncomplete(h1);
2532	>	rs[0].assertNotInvoked();
2533	>	rs[1].assertNotInvoked();
2534		f.complete(v1);
2535	+	checkCompletedNormally(h0, null);
2536	+	checkCompletedNormally(h1, null);
2537	+	rs[0].assertValue(v1);
2538	+	rs[1].assertValue(v1);
2539	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2540	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2541	+	checkCompletedNormally(h2, null);
2542	+	checkCompletedNormally(h3, null);
2543	+	rs[2].assertValue(v1);
2544	+	rs[3].assertValue(v1);
2545	+	g.complete(v2);
2546	+
2547	+	// unspecified behavior - both source completions available
2548	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2549	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2550	+	checkCompletedNormally(h4, null);
2551	+	checkCompletedNormally(h5, null);
2552	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2553	+	Objects.equals(v2, rs[4].value));
2554	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2555	+	Objects.equals(v2, rs[5].value));
2556
1326	–	checkCompletedWithWrappedCFException(h);
2557		checkCompletedNormally(f, v1);
2558		checkCompletedNormally(g, v2);
2559	<	}
2560	<	}
2559	>	checkCompletedNormally(h0, null);
2560	>	checkCompletedNormally(h1, null);
2561	>	checkCompletedNormally(h2, null);
2562	>	checkCompletedNormally(h3, null);
2563	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2564	>	}}
2565
2566		/**
2567	<	* thenAcceptBoth result completes exceptionally if either source cancelled
2567	>	* acceptEither result completes exceptionally after exceptional
2568	>	* completion of either source
2569		*/
2570	<	public void testThenAcceptBoth_sourceCancelled1() {
2570	>	public void testAcceptEither_exceptionalCompletion() {
2571		for (ExecutionMode m : ExecutionMode.values())
2572	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2573	<	for (Integer v1 : new Integer[] { 1, null }) {
1339	<
2572	>	for (Integer v1 : new Integer[] { 1, null })
2573	>	{
2574		final CompletableFuture<Integer> f = new CompletableFuture<>();
2575		final CompletableFuture<Integer> g = new CompletableFuture<>();
2576	<	final SubtractAction r = new SubtractAction();
2577	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2576	>	final CFException ex = new CFException();
2577	>	final NoopConsumer[] rs = new NoopConsumer[6];
2578	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2579	>
2580	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2581	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2582	>	checkIncomplete(h0);
2583	>	checkIncomplete(h1);
2584	>	rs[0].assertNotInvoked();
2585	>	rs[1].assertNotInvoked();
2586	>	f.completeExceptionally(ex);
2587	>	checkCompletedWithWrappedException(h0, ex);
2588	>	checkCompletedWithWrappedException(h1, ex);
2589	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2590	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2591	>	checkCompletedWithWrappedException(h2, ex);
2592	>	checkCompletedWithWrappedException(h3, ex);
2593
1345	–	assertTrue(f.cancel(mayInterruptIfRunning));
1346	–	checkIncomplete(h);
2594		g.complete(v1);
2595
2596	<	checkCompletedWithWrappedCancellationException(h);
2597	<	checkCancelled(f);
2598	<	assertFalse(r.ran());
2599	<	checkCompletedNormally(g, v1);
2596	>	// unspecified behavior - both source completions available
2597	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2598	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2599	>	try {
2600	>	assertNull(h4.join());
2601	>	rs[4].assertValue(v1);
2602	>	} catch (CompletionException ok) {
2603	>	checkCompletedWithWrappedException(h4, ex);
2604	>	rs[4].assertNotInvoked();
2605	>	}
2606	>	try {
2607	>	assertNull(h5.join());
2608	>	rs[5].assertValue(v1);
2609	>	} catch (CompletionException ok) {
2610	>	checkCompletedWithWrappedException(h5, ex);
2611	>	rs[5].assertNotInvoked();
2612		}
1354	–	}
2613
2614	<	public void testThenAcceptBoth_sourceCancelled2() {
2615	<	for (ExecutionMode m : ExecutionMode.values())
2616	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2617	<	for (Integer v1 : new Integer[] { 1, null }) {
2614	>	checkCompletedExceptionally(f, ex);
2615	>	checkCompletedNormally(g, v1);
2616	>	checkCompletedWithWrappedException(h0, ex);
2617	>	checkCompletedWithWrappedException(h1, ex);
2618	>	checkCompletedWithWrappedException(h2, ex);
2619	>	checkCompletedWithWrappedException(h3, ex);
2620	>	checkCompletedWithWrappedException(h4, ex);
2621	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2622	>	}}
2623
2624	+	public void testAcceptEither_exceptionalCompletion2() {
2625	+	for (ExecutionMode m : ExecutionMode.values())
2626	+	for (boolean fFirst : new boolean[] { true, false })
2627	+	for (Integer v1 : new Integer[] { 1, null })
2628	+	{
2629		final CompletableFuture<Integer> f = new CompletableFuture<>();
2630		final CompletableFuture<Integer> g = new CompletableFuture<>();
2631	<	final SubtractAction r = new SubtractAction();
2632	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2631	>	final CFException ex = new CFException();
2632	>	final NoopConsumer[] rs = new NoopConsumer[6];
2633	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2634
2635	<	assertTrue(g.cancel(mayInterruptIfRunning));
2636	<	checkIncomplete(h);
2637	<	f.complete(v1);
2635	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2636	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2637	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2638	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2639	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2640	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2641
2642	<	checkCompletedWithWrappedCancellationException(h);
2643	<	checkCancelled(g);
2644	<	assertFalse(r.ran());
2645	<	checkCompletedNormally(f, v1);
2642	>	// unspecified behavior - both source completions available
2643	>	try {
2644	>	assertNull(h0.join());
2645	>	rs[0].assertValue(v1);
2646	>	} catch (CompletionException ok) {
2647	>	checkCompletedWithWrappedException(h0, ex);
2648	>	rs[0].assertNotInvoked();
2649	>	}
2650	>	try {
2651	>	assertNull(h1.join());
2652	>	rs[1].assertValue(v1);
2653	>	} catch (CompletionException ok) {
2654	>	checkCompletedWithWrappedException(h1, ex);
2655	>	rs[1].assertNotInvoked();
2656	>	}
2657	>	try {
2658	>	assertNull(h2.join());
2659	>	rs[2].assertValue(v1);
2660	>	} catch (CompletionException ok) {
2661	>	checkCompletedWithWrappedException(h2, ex);
2662	>	rs[2].assertNotInvoked();
2663	>	}
2664	>	try {
2665	>	assertNull(h3.join());
2666	>	rs[3].assertValue(v1);
2667	>	} catch (CompletionException ok) {
2668	>	checkCompletedWithWrappedException(h3, ex);
2669	>	rs[3].assertNotInvoked();
2670		}
1375	–	}
1376	–
1377	–	public void testThenAcceptBoth_sourceCancelled3() {
1378	–	for (ExecutionMode m : ExecutionMode.values())
1379	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1380	–	for (Integer v1 : new Integer[] { 1, null }) {
1381	–
1382	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1383	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1384	–	final SubtractAction r = new SubtractAction();
1385	–
1386	–	assertTrue(g.cancel(mayInterruptIfRunning));
1387	–	f.complete(v1);
1388	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2671
1390	–	checkCompletedWithWrappedCancellationException(h);
1391	–	checkCancelled(g);
1392	–	assertFalse(r.ran());
2672		checkCompletedNormally(f, v1);
2673	<	}
2674	<	}
2673	>	checkCompletedExceptionally(g, ex);
2674	>	}}
2675
2676	<	public void testThenAcceptBoth_sourceCancelled4() {
2676	>	/**
2677	>	* acceptEither result completes exceptionally if either source cancelled
2678	>	*/
2679	>	public void testAcceptEither_sourceCancelled() {
2680		for (ExecutionMode m : ExecutionMode.values())
2681		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2682	<	for (Integer v1 : new Integer[] { 1, null }) {
2683	<
2682	>	for (Integer v1 : new Integer[] { 1, null })
2683	>	{
2684		final CompletableFuture<Integer> f = new CompletableFuture<>();
2685		final CompletableFuture<Integer> g = new CompletableFuture<>();
2686	<	final SubtractAction r = new SubtractAction();
2686	>	final NoopConsumer[] rs = new NoopConsumer[6];
2687	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2688	>
2689	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2690	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2691	>	checkIncomplete(h0);
2692	>	checkIncomplete(h1);
2693	>	rs[0].assertNotInvoked();
2694	>	rs[1].assertNotInvoked();
2695	>	f.cancel(mayInterruptIfRunning);
2696	>	checkCompletedWithWrappedCancellationException(h0);
2697	>	checkCompletedWithWrappedCancellationException(h1);
2698	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2699	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2700	>	checkCompletedWithWrappedCancellationException(h2);
2701	>	checkCompletedWithWrappedCancellationException(h3);
2702
1406	–	assertTrue(f.cancel(mayInterruptIfRunning));
2703		g.complete(v1);
1408	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2704
2705	<	checkCompletedWithWrappedCancellationException(h);
2705	>	// unspecified behavior - both source completions available
2706	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2707	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2708	>	try {
2709	>	assertNull(h4.join());
2710	>	rs[4].assertValue(v1);
2711	>	} catch (CompletionException ok) {
2712	>	checkCompletedWithWrappedCancellationException(h4);
2713	>	rs[4].assertNotInvoked();
2714	>	}
2715	>	try {
2716	>	assertNull(h5.join());
2717	>	rs[5].assertValue(v1);
2718	>	} catch (CompletionException ok) {
2719	>	checkCompletedWithWrappedCancellationException(h5);
2720	>	rs[5].assertNotInvoked();
2721	>	}
2722	>
2723		checkCancelled(f);
1412	–	assertFalse(r.ran());
2724		checkCompletedNormally(g, v1);
2725	<	}
2726	<	}
2725	>	checkCompletedWithWrappedCancellationException(h0);
2726	>	checkCompletedWithWrappedCancellationException(h1);
2727	>	checkCompletedWithWrappedCancellationException(h2);
2728	>	checkCompletedWithWrappedCancellationException(h3);
2729	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2730	>	}}
2731
2732		/**
2733	<	* runAfterBoth result completes normally after normal
1419	<	* completion of sources
2733	>	* acceptEither result completes exceptionally if action does
2734		*/
2735	<	public void testRunAfterBoth_normalCompletion1() {
2735	>	public void testAcceptEither_actionFailed() {
2736		for (ExecutionMode m : ExecutionMode.values())
2737		for (Integer v1 : new Integer[] { 1, null })
2738	<	for (Integer v2 : new Integer[] { 2, null }) {
2739	<
2738	>	for (Integer v2 : new Integer[] { 2, null })
2739	>	{
2740		final CompletableFuture<Integer> f = new CompletableFuture<>();
2741		final CompletableFuture<Integer> g = new CompletableFuture<>();
2742	<	final Noop r = new Noop();
2743	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2742	>	final FailingConsumer[] rs = new FailingConsumer[6];
2743	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2744
2745	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2746	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2747		f.complete(v1);
2748	<	checkIncomplete(h);
2749	<	assertFalse(r.ran);
2750	<	g.complete(v2);
2751	<
2752	<	checkCompletedNormally(h, null);
2753	<	assertTrue(r.ran);
2754	<	checkCompletedNormally(f, v1);
1439	<	checkCompletedNormally(g, v2);
1440	<	}
1441	<	}
1442	<
1443	<	public void testRunAfterBoth_normalCompletion2() {
1444	<	for (ExecutionMode m : ExecutionMode.values())
1445	<	for (Integer v1 : new Integer[] { 1, null })
1446	<	for (Integer v2 : new Integer[] { 2, null }) {
1447	<
1448	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1449	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1450	<	final Noop r = new Noop();
1451	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2748	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2749	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2750	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2751	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2752	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2753	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2754	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2755
2756		g.complete(v2);
1454	–	checkIncomplete(h);
1455	–	assertFalse(r.ran);
1456	–	f.complete(v1);
1457	–
1458	–	checkCompletedNormally(h, null);
1459	–	assertTrue(r.ran);
1460	–	checkCompletedNormally(f, v1);
1461	–	checkCompletedNormally(g, v2);
1462	–	}
1463	–	}
1464	–
1465	–	public void testRunAfterBoth_normalCompletion3() {
1466	–	for (ExecutionMode m : ExecutionMode.values())
1467	–	for (Integer v1 : new Integer[] { 1, null })
1468	–	for (Integer v2 : new Integer[] { 2, null }) {
1469	–
1470	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1471	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1472	–	final Noop r = new Noop();
2757
2758	<	g.complete(v2);
2759	<	f.complete(v1);
2760	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2758	>	// unspecified behavior - both source completions available
2759	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2760	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2761	>
2762	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2763	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2764	>	Objects.equals(v2, rs[4].value));
2765	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2766	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2767	>	Objects.equals(v2, rs[5].value));
2768
1478	–	checkCompletedNormally(h, null);
1479	–	assertTrue(r.ran);
2769		checkCompletedNormally(f, v1);
2770		checkCompletedNormally(g, v2);
2771	<	}
1483	<	}
2771	>	}}
2772
2773	<	public void testRunAfterBoth_normalCompletion4() {
2773	>	/**
2774	>	* runAfterEither result completes normally after normal completion
2775	>	* of either source
2776	>	*/
2777	>	public void testRunAfterEither_normalCompletion() {
2778		for (ExecutionMode m : ExecutionMode.values())
2779		for (Integer v1 : new Integer[] { 1, null })
2780	<	for (Integer v2 : new Integer[] { 2, null }) {
2781	<
2782	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2783	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2784	<	final Noop r = new Noop();
2785	<
2780	>	for (Integer v2 : new Integer[] { 2, null })
2781	>	for (boolean pushNop : new boolean[] { true, false })
2782	>	{
2783	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2784	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2785	>	final Noop[] rs = new Noop[6];
2786	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2787	>
2788	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2789	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2790	>	checkIncomplete(h0);
2791	>	checkIncomplete(h1);
2792	>	rs[0].assertNotInvoked();
2793	>	rs[1].assertNotInvoked();
2794	>	if (pushNop) {          // ad hoc test of intra-completion interference
2795	>	m.thenRun(f, () -> {});
2796	>	m.thenRun(g, () -> {});
2797	>	}
2798		f.complete(v1);
2799	+	checkCompletedNormally(h0, null);
2800	+	checkCompletedNormally(h1, null);
2801	+	rs[0].assertInvoked();
2802	+	rs[1].assertInvoked();
2803	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2804	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2805	+	checkCompletedNormally(h2, null);
2806	+	checkCompletedNormally(h3, null);
2807	+	rs[2].assertInvoked();
2808	+	rs[3].assertInvoked();
2809	+
2810		g.complete(v2);
1496	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2811
2812	<	checkCompletedNormally(h, null);
2813	<	assertTrue(r.ran);
2812	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2813	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2814	>
2815		checkCompletedNormally(f, v1);
2816		checkCompletedNormally(g, v2);
2817	<	}
2818	<	}
2817	>	checkCompletedNormally(h0, null);
2818	>	checkCompletedNormally(h1, null);
2819	>	checkCompletedNormally(h2, null);
2820	>	checkCompletedNormally(h3, null);
2821	>	checkCompletedNormally(h4, null);
2822	>	checkCompletedNormally(h5, null);
2823	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2824	>	}}
2825
2826		/**
2827	<	* runAfterBoth result completes exceptionally after exceptional
2827	>	* runAfterEither result completes exceptionally after exceptional
2828		* completion of either source
2829		*/
2830	<	public void testRunAfterBoth_exceptionalCompletion1() {
2830	>	public void testRunAfterEither_exceptionalCompletion() {
2831		for (ExecutionMode m : ExecutionMode.values())
2832	<	for (Integer v1 : new Integer[] { 1, null }) {
2833	<
2832	>	for (Integer v1 : new Integer[] { 1, null })
2833	>	{
2834		final CompletableFuture<Integer> f = new CompletableFuture<>();
2835		final CompletableFuture<Integer> g = new CompletableFuture<>();
1515	–	final Noop r = new Noop();
1516	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2836		final CFException ex = new CFException();
2837	+	final Noop[] rs = new Noop[6];
2838	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2839
2840	<	f.completeExceptionally(ex);
2841	<	checkIncomplete(h);
2842	<	g.complete(v1);
2840	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2841	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2842	>	checkIncomplete(h0);
2843	>	checkIncomplete(h1);
2844	>	rs[0].assertNotInvoked();
2845	>	rs[1].assertNotInvoked();
2846	>	assertTrue(f.completeExceptionally(ex));
2847	>	checkCompletedWithWrappedException(h0, ex);
2848	>	checkCompletedWithWrappedException(h1, ex);
2849	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2850	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2851	>	checkCompletedWithWrappedException(h2, ex);
2852	>	checkCompletedWithWrappedException(h3, ex);
2853	>
2854	>	assertTrue(g.complete(v1));
2855	>
2856	>	// unspecified behavior - both source completions available
2857	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2858	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2859	>	try {
2860	>	assertNull(h4.join());
2861	>	rs[4].assertInvoked();
2862	>	} catch (CompletionException ok) {
2863	>	checkCompletedWithWrappedException(h4, ex);
2864	>	rs[4].assertNotInvoked();
2865	>	}
2866	>	try {
2867	>	assertNull(h5.join());
2868	>	rs[5].assertInvoked();
2869	>	} catch (CompletionException ok) {
2870	>	checkCompletedWithWrappedException(h5, ex);
2871	>	rs[5].assertNotInvoked();
2872	>	}
2873
2874	<	checkCompletedWithWrappedCFException(h, ex);
1524	<	checkCompletedWithWrappedCFException(f, ex);
1525	<	assertFalse(r.ran);
2874	>	checkCompletedExceptionally(f, ex);
2875		checkCompletedNormally(g, v1);
2876	<	}
2877	<	}
2876	>	checkCompletedWithWrappedException(h0, ex);
2877	>	checkCompletedWithWrappedException(h1, ex);
2878	>	checkCompletedWithWrappedException(h2, ex);
2879	>	checkCompletedWithWrappedException(h3, ex);
2880	>	checkCompletedWithWrappedException(h4, ex);
2881	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2882	>	}}
2883
2884	<	public void testRunAfterBoth_exceptionalCompletion2() {
2884	>	public void testRunAfterEither_exceptionalCompletion2() {
2885		for (ExecutionMode m : ExecutionMode.values())
2886	<	for (Integer v1 : new Integer[] { 1, null }) {
2887	<
2886	>	for (boolean fFirst : new boolean[] { true, false })
2887	>	for (Integer v1 : new Integer[] { 1, null })
2888	>	{
2889		final CompletableFuture<Integer> f = new CompletableFuture<>();
2890		final CompletableFuture<Integer> g = new CompletableFuture<>();
1536	–	final Noop r = new Noop();
1537	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2891		final CFException ex = new CFException();
2892	+	final Noop[] rs = new Noop[6];
2893	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2894
2895	<	g.completeExceptionally(ex);
2896	<	checkIncomplete(h);
2897	<	f.complete(v1);
2895	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2896	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2897	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2898	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2899	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2900	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2901
2902	<	checkCompletedWithWrappedCFException(h, ex);
2903	<	checkCompletedWithWrappedCFException(g, ex);
2904	<	assertFalse(r.ran);
2905	<	checkCompletedNormally(f, v1);
2902	>	// unspecified behavior - both source completions available
2903	>	try {
2904	>	assertNull(h0.join());
2905	>	rs[0].assertInvoked();
2906	>	} catch (CompletionException ok) {
2907	>	checkCompletedWithWrappedException(h0, ex);
2908	>	rs[0].assertNotInvoked();
2909	>	}
2910	>	try {
2911	>	assertNull(h1.join());
2912	>	rs[1].assertInvoked();
2913	>	} catch (CompletionException ok) {
2914	>	checkCompletedWithWrappedException(h1, ex);
2915	>	rs[1].assertNotInvoked();
2916	>	}
2917	>	try {
2918	>	assertNull(h2.join());
2919	>	rs[2].assertInvoked();
2920	>	} catch (CompletionException ok) {
2921	>	checkCompletedWithWrappedException(h2, ex);
2922	>	rs[2].assertNotInvoked();
2923	>	}
2924	>	try {
2925	>	assertNull(h3.join());
2926	>	rs[3].assertInvoked();
2927	>	} catch (CompletionException ok) {
2928	>	checkCompletedWithWrappedException(h3, ex);
2929	>	rs[3].assertNotInvoked();
2930		}
1549	–	}
1550	–
1551	–	public void testRunAfterBoth_exceptionalCompletion3() {
1552	–	for (ExecutionMode m : ExecutionMode.values())
1553	–	for (Integer v1 : new Integer[] { 1, null }) {
1554	–
1555	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1556	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1557	–	final Noop r = new Noop();
1558	–	final CFException ex = new CFException();
1559	–
1560	–	g.completeExceptionally(ex);
1561	–	f.complete(v1);
1562	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2931
1564	–	checkCompletedWithWrappedCFException(h, ex);
1565	–	checkCompletedWithWrappedCFException(g, ex);
1566	–	assertFalse(r.ran);
2932		checkCompletedNormally(f, v1);
2933	<	}
2934	<	}
2933	>	checkCompletedExceptionally(g, ex);
2934	>	}}
2935
2936	<	public void testRunAfterBoth_exceptionalCompletion4() {
2936	>	/**
2937	>	* runAfterEither result completes exceptionally if either source cancelled
2938	>	*/
2939	>	public void testRunAfterEither_sourceCancelled() {
2940		for (ExecutionMode m : ExecutionMode.values())
2941	<	for (Integer v1 : new Integer[] { 1, null }) {
2942	<
2941	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2942	>	for (Integer v1 : new Integer[] { 1, null })
2943	>	{
2944		final CompletableFuture<Integer> f = new CompletableFuture<>();
2945		final CompletableFuture<Integer> g = new CompletableFuture<>();
2946	<	final Noop r = new Noop();
2947	<	final CFException ex = new CFException();
2946	>	final Noop[] rs = new Noop[6];
2947	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2948
2949	<	f.completeExceptionally(ex);
2950	<	g.complete(v1);
2951	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2949	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2950	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2951	>	checkIncomplete(h0);
2952	>	checkIncomplete(h1);
2953	>	rs[0].assertNotInvoked();
2954	>	rs[1].assertNotInvoked();
2955	>	f.cancel(mayInterruptIfRunning);
2956	>	checkCompletedWithWrappedCancellationException(h0);
2957	>	checkCompletedWithWrappedCancellationException(h1);
2958	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2959	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2960	>	checkCompletedWithWrappedCancellationException(h2);
2961	>	checkCompletedWithWrappedCancellationException(h3);
2962	>
2963	>	assertTrue(g.complete(v1));
2964	>
2965	>	// unspecified behavior - both source completions available
2966	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2967	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2968	>	try {
2969	>	assertNull(h4.join());
2970	>	rs[4].assertInvoked();
2971	>	} catch (CompletionException ok) {
2972	>	checkCompletedWithWrappedCancellationException(h4);
2973	>	rs[4].assertNotInvoked();
2974	>	}
2975	>	try {
2976	>	assertNull(h5.join());
2977	>	rs[5].assertInvoked();
2978	>	} catch (CompletionException ok) {
2979	>	checkCompletedWithWrappedCancellationException(h5);
2980	>	rs[5].assertNotInvoked();
2981	>	}
2982
2983	<	checkCompletedWithWrappedCFException(h, ex);
1585	<	checkCompletedWithWrappedCFException(f, ex);
1586	<	assertFalse(r.ran);
2983	>	checkCancelled(f);
2984		checkCompletedNormally(g, v1);
2985	<	}
2986	<	}
2985	>	checkCompletedWithWrappedCancellationException(h0);
2986	>	checkCompletedWithWrappedCancellationException(h1);
2987	>	checkCompletedWithWrappedCancellationException(h2);
2988	>	checkCompletedWithWrappedCancellationException(h3);
2989	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2990	>	}}
2991
2992		/**
2993	<	* runAfterBoth result completes exceptionally if action does
2993	>	* runAfterEither result completes exceptionally if action does
2994		*/
2995	<	public void testRunAfterBoth_actionFailed1() {
2995	>	public void testRunAfterEither_actionFailed() {
2996		for (ExecutionMode m : ExecutionMode.values())
2997		for (Integer v1 : new Integer[] { 1, null })
2998	<	for (Integer v2 : new Integer[] { 2, null }) {
2999	<
2998	>	for (Integer v2 : new Integer[] { 2, null })
2999	>	{
3000		final CompletableFuture<Integer> f = new CompletableFuture<>();
3001		final CompletableFuture<Integer> g = new CompletableFuture<>();
3002	<	final FailingNoop r = new FailingNoop();
3003	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
3002	>	final FailingRunnable[] rs = new FailingRunnable[6];
3003	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3004
3005	<	f.complete(v1);
3006	<	checkIncomplete(h);
3007	<	g.complete(v2);
3005	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3006	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3007	>	assertTrue(f.complete(v1));
3008	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3009	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3010	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3011	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3012	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3013	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3014	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3015	>	assertTrue(g.complete(v2));
3016	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3017	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3018	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3019	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3020
1608	–	checkCompletedWithWrappedCFException(h);
3021		checkCompletedNormally(f, v1);
3022		checkCompletedNormally(g, v2);
3023	<	}
3024	<	}
3023	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3024	>	}}
3025
3026	<	public void testRunAfterBoth_actionFailed2() {
3026	>	/**
3027	>	* thenCompose result completes normally after normal completion of source
3028	>	*/
3029	>	public void testThenCompose_normalCompletion() {
3030		for (ExecutionMode m : ExecutionMode.values())
3031	+	for (boolean createIncomplete : new boolean[] { true, false })
3032		for (Integer v1 : new Integer[] { 1, null })
3033	<	for (Integer v2 : new Integer[] { 2, null }) {
1618	<
3033	>	{
3034		final CompletableFuture<Integer> f = new CompletableFuture<>();
3035	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3036	<	final FailingNoop r = new FailingNoop();
3037	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
3038	<
1624	<	g.complete(v2);
1625	<	checkIncomplete(h);
1626	<	f.complete(v1);
3035	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3036	>	if (!createIncomplete) assertTrue(f.complete(v1));
3037	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3038	>	if (createIncomplete) assertTrue(f.complete(v1));
3039
3040	<	checkCompletedWithWrappedCFException(h);
3040	>	checkCompletedNormally(g, inc(v1));
3041		checkCompletedNormally(f, v1);
3042	<	checkCompletedNormally(g, v2);
3043	<	}
1632	<	}
3042	>	r.assertValue(v1);
3043	>	}}
3044
3045		/**
3046	<	* runAfterBoth result completes exceptionally if either source cancelled
3046	>	* thenCompose result completes exceptionally after exceptional
3047	>	* completion of source
3048		*/
3049	<	public void testRunAfterBoth_sourceCancelled1() {
3049	>	public void testThenCompose_exceptionalCompletion() {
3050		for (ExecutionMode m : ExecutionMode.values())
3051	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3052	<	for (Integer v1 : new Integer[] { 1, null }) {
3053	<
3051	>	for (boolean createIncomplete : new boolean[] { true, false })
3052	>	{
3053	>	final CFException ex = new CFException();
3054	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3055		final CompletableFuture<Integer> f = new CompletableFuture<>();
3056	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3057	<	final Noop r = new Noop();
3058	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
3059	<
3060	<	assertTrue(f.cancel(mayInterruptIfRunning));
3061	<	checkIncomplete(h);
3062	<	g.complete(v1);
3063	<
1651	<	checkCompletedWithWrappedCancellationException(h);
1652	<	checkCancelled(f);
1653	<	assertFalse(r.ran);
1654	<	checkCompletedNormally(g, v1);
1655	<	}
1656	<	}
3056	>	if (!createIncomplete) f.completeExceptionally(ex);
3057	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3058	>	if (createIncomplete) f.completeExceptionally(ex);
3059	>
3060	>	checkCompletedWithWrappedException(g, ex);
3061	>	checkCompletedExceptionally(f, ex);
3062	>	r.assertNotInvoked();
3063	>	}}
3064
3065	<	public void testRunAfterBoth_sourceCancelled2() {
3065	>	/**
3066	>	* thenCompose result completes exceptionally if action does
3067	>	*/
3068	>	public void testThenCompose_actionFailed() {
3069		for (ExecutionMode m : ExecutionMode.values())
3070	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3071	<	for (Integer v1 : new Integer[] { 1, null }) {
3072	<
3070	>	for (boolean createIncomplete : new boolean[] { true, false })
3071	>	for (Integer v1 : new Integer[] { 1, null })
3072	>	{
3073		final CompletableFuture<Integer> f = new CompletableFuture<>();
3074	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3075	<	final Noop r = new Noop();
3076	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
3074	>	final FailingCompletableFutureFunction r
3075	>	= new FailingCompletableFutureFunction(m);
3076	>	if (!createIncomplete) assertTrue(f.complete(v1));
3077	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3078	>	if (createIncomplete) assertTrue(f.complete(v1));
3079
3080	<	assertTrue(g.cancel(mayInterruptIfRunning));
1669	<	checkIncomplete(h);
1670	<	f.complete(v1);
1671	<
1672	<	checkCompletedWithWrappedCancellationException(h);
1673	<	checkCancelled(g);
1674	<	assertFalse(r.ran);
3080	>	checkCompletedWithWrappedException(g, r.ex);
3081		checkCompletedNormally(f, v1);
3082	<	}
1677	<	}
3082	>	}}
3083
3084	<	public void testRunAfterBoth_sourceCancelled3() {
3084	>	/**
3085	>	* thenCompose result completes exceptionally if source cancelled
3086	>	*/
3087	>	public void testThenCompose_sourceCancelled() {
3088		for (ExecutionMode m : ExecutionMode.values())
3089	+	for (boolean createIncomplete : new boolean[] { true, false })
3090		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3091	<	for (Integer v1 : new Integer[] { 1, null }) {
1683	<
3091	>	{
3092		final CompletableFuture<Integer> f = new CompletableFuture<>();
3093	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3094	<	final Noop r = new Noop();
3095	<
3096	<	assertTrue(g.cancel(mayInterruptIfRunning));
3097	<	f.complete(v1);
3098	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1691	<
1692	<	checkCompletedWithWrappedCancellationException(h);
1693	<	checkCancelled(g);
1694	<	assertFalse(r.ran);
1695	<	checkCompletedNormally(f, v1);
3093	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3094	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3095	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3096	>	if (createIncomplete) {
3097	>	checkIncomplete(g);
3098	>	assertTrue(f.cancel(mayInterruptIfRunning));
3099		}
1697	–	}
1698	–
1699	–	public void testRunAfterBoth_sourceCancelled4() {
1700	–	for (ExecutionMode m : ExecutionMode.values())
1701	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1702	–	for (Integer v1 : new Integer[] { 1, null }) {
1703	–
1704	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1705	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1706	–	final Noop r = new Noop();
3100
3101	<	assertTrue(f.cancel(mayInterruptIfRunning));
1709	<	g.complete(v1);
1710	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1711	<
1712	<	checkCompletedWithWrappedCancellationException(h);
3101	>	checkCompletedWithWrappedCancellationException(g);
3102		checkCancelled(f);
3103	<	assertFalse(r.ran);
1715	<	checkCompletedNormally(g, v1);
1716	<	}
1717	<	}
3103	>	}}
3104
3105		/**
3106	<	* applyToEither result completes normally after normal completion
1721	<	* of either source
3106	>	* thenCompose result completes exceptionally if the result of the action does
3107		*/
3108	<	public void testApplyToEither() {
3109	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3110	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3111	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
3112	<	f.complete(one);
3113	<	checkCompletedNormally(g, two);
3114	<	f2.complete(one);
3115	<	checkCompletedNormally(g, two);
3108	>	public void testThenCompose_actionReturnsFailingFuture() {
3109	>	for (ExecutionMode m : ExecutionMode.values())
3110	>	for (int order = 0; order < 6; order++)
3111	>	for (Integer v1 : new Integer[] { 1, null })
3112	>	{
3113	>	final CFException ex = new CFException();
3114	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3115	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3116	>	final CompletableFuture<Integer> h;
3117	>	// Test all permutations of orders
3118	>	switch (order) {
3119	>	case 0:
3120	>	assertTrue(f.complete(v1));
3121	>	assertTrue(g.completeExceptionally(ex));
3122	>	h = m.thenCompose(f, (x -> g));
3123	>	break;
3124	>	case 1:
3125	>	assertTrue(f.complete(v1));
3126	>	h = m.thenCompose(f, (x -> g));
3127	>	assertTrue(g.completeExceptionally(ex));
3128	>	break;
3129	>	case 2:
3130	>	assertTrue(g.completeExceptionally(ex));
3131	>	assertTrue(f.complete(v1));
3132	>	h = m.thenCompose(f, (x -> g));
3133	>	break;
3134	>	case 3:
3135	>	assertTrue(g.completeExceptionally(ex));
3136	>	h = m.thenCompose(f, (x -> g));
3137	>	assertTrue(f.complete(v1));
3138	>	break;
3139	>	case 4:
3140	>	h = m.thenCompose(f, (x -> g));
3141	>	assertTrue(f.complete(v1));
3142	>	assertTrue(g.completeExceptionally(ex));
3143	>	break;
3144	>	case 5:
3145	>	h = m.thenCompose(f, (x -> g));
3146	>	assertTrue(f.complete(v1));
3147	>	assertTrue(g.completeExceptionally(ex));
3148	>	break;
3149	>	default: throw new AssertionError();
3150	>	}
3151
3152	<	f = new CompletableFuture<>();
3153	<	f.complete(one);
3154	<	f2 = new CompletableFuture<>();
3155	<	g = f.applyToEither(f2, inc);
1736	<	checkCompletedNormally(g, two);
1737	<	}
3152	>	checkCompletedExceptionally(g, ex);
3153	>	checkCompletedWithWrappedException(h, ex);
3154	>	checkCompletedNormally(f, v1);
3155	>	}}
3156
3157		/**
3158	<	* applyToEither result completes exceptionally after exceptional
3159	<	* completion of either source
3158	>	* exceptionallyCompose result completes normally after normal
3159	>	* completion of source
3160		*/
3161	<	public void testApplyToEither2() {
3162	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3163	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3164	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
3165	<	f.completeExceptionally(new CFException());
3166	<	f2.complete(one);
3167	<	checkCompletedWithWrappedCFException(g);
3161	>	public void testExceptionallyCompose_normalCompletion() {
3162	>	for (ExecutionMode m : ExecutionMode.values())
3163	>	for (boolean createIncomplete : new boolean[] { true, false })
3164	>	for (Integer v1 : new Integer[] { 1, null })
3165	>	{
3166	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3167	>	final ExceptionalCompletableFutureFunction r =
3168	>	new ExceptionalCompletableFutureFunction(m);
3169	>	if (!createIncomplete) assertTrue(f.complete(v1));
3170	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3171	>	if (createIncomplete) assertTrue(f.complete(v1));
3172
3173	<	f = new CompletableFuture<>();
3174	<	f2 = new CompletableFuture<>();
3175	<	f2.completeExceptionally(new CFException());
3176	<	g = f.applyToEither(f2, inc);
1755	<	checkCompletedWithWrappedCFException(g);
1756	<	}
3173	>	checkCompletedNormally(f, v1);
3174	>	checkCompletedNormally(g, v1);
3175	>	r.assertNotInvoked();
3176	>	}}
3177
3178		/**
3179	<	* applyToEither result completes exceptionally if action does
3179	>	* exceptionallyCompose result completes normally after exceptional
3180	>	* completion of source
3181		*/
3182	<	public void testApplyToEither3() {
3183	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3184	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3185	<	FailingFunction r = new FailingFunction();
3186	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
3187	<	f2.complete(two);
3188	<	checkCompletedWithWrappedCFException(g);
3189	<	}
3182	>	public void testExceptionallyCompose_exceptionalCompletion() {
3183	>	for (ExecutionMode m : ExecutionMode.values())
3184	>	for (boolean createIncomplete : new boolean[] { true, false })
3185	>	{
3186	>	final CFException ex = new CFException();
3187	>	final ExceptionalCompletableFutureFunction r =
3188	>	new ExceptionalCompletableFutureFunction(m);
3189	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3190	>	if (!createIncomplete) f.completeExceptionally(ex);
3191	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3192	>	if (createIncomplete) f.completeExceptionally(ex);
3193
3194	<	/**
3195	<	* applyToEither result completes exceptionally if either source cancelled
3196	<	*/
3197	<	public void testApplyToEither4() {
1774	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1775	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1776	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1777	<	assertTrue(f.cancel(true));
1778	<	checkCompletedWithWrappedCancellationException(g);
1779	<	f = new CompletableFuture<>();
1780	<	f2 = new CompletableFuture<>();
1781	<	assertTrue(f2.cancel(true));
1782	<	checkCompletedWithWrappedCancellationException(g);
1783	<	}
3194	>	checkCompletedExceptionally(f, ex);
3195	>	checkCompletedNormally(g, r.value);
3196	>	r.assertInvoked();
3197	>	}}
3198
3199		/**
3200	<	* acceptEither result completes normally after normal completion
1787	<	* of either source
3200	>	* exceptionallyCompose completes exceptionally on exception if action does
3201		*/
3202	<	public void testAcceptEither() {
3203	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3204	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3205	<	IncAction r = new IncAction();
3206	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
3207	<	f.complete(one);
3208	<	checkCompletedNormally(g, null);
3209	<	f2.complete(one);
3210	<	checkCompletedNormally(g, null);
3211	<	assertEquals(r.value, 2);
3212	<
3213	<	r = new IncAction();
3214	<	f = new CompletableFuture<>();
3215	<	f.complete(one);
3216	<	f2 = new CompletableFuture<>();
3217	<	g = f.acceptEither(f2, r);
3218	<	checkCompletedNormally(g, null);
1806	<	assertEquals(r.value, 2);
1807	<	}
3202	>	public void testExceptionallyCompose_actionFailed() {
3203	>	for (ExecutionMode m : ExecutionMode.values())
3204	>	for (boolean createIncomplete : new boolean[] { true, false })
3205	>	for (Integer v1 : new Integer[] { 1, null })
3206	>	{
3207	>	final CFException ex = new CFException();
3208	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3209	>	final FailingExceptionalCompletableFutureFunction r
3210	>	= new FailingExceptionalCompletableFutureFunction(m);
3211	>	if (!createIncomplete) f.completeExceptionally(ex);
3212	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3213	>	if (createIncomplete) f.completeExceptionally(ex);
3214	>
3215	>	checkCompletedExceptionally(f, ex);
3216	>	checkCompletedWithWrappedException(g, r.ex);
3217	>	r.assertInvoked();
3218	>	}}
3219
1809	–	/**
1810	–	* acceptEither result completes exceptionally after exceptional
1811	–	* completion of either source
1812	–	*/
1813	–	public void testAcceptEither2() {
1814	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1815	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1816	–	IncAction r = new IncAction();
1817	–	CompletableFuture<Void> g = f.acceptEither(f2, r);
1818	–	f.completeExceptionally(new CFException());
1819	–	f2.complete(one);
1820	–	checkCompletedWithWrappedCFException(g);
3220
3221	<	r = new IncAction();
1823	<	f = new CompletableFuture<>();
1824	<	f2 = new CompletableFuture<>();
1825	<	f2.completeExceptionally(new CFException());
1826	<	g = f.acceptEither(f2, r);
1827	<	checkCompletedWithWrappedCFException(g);
1828	<	}
3221	>	// other static methods
3222
3223		/**
3224	<	* acceptEither result completes exceptionally if action does
3224	>	* allOf(no component futures) returns a future completed normally
3225	>	* with the value null
3226		*/
3227	<	public void testAcceptEither3() {
3228	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3229	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1836	<	FailingConsumer r = new FailingConsumer();
1837	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1838	<	f2.complete(two);
1839	<	checkCompletedWithWrappedCFException(g);
3227	>	public void testAllOf_empty() throws Exception {
3228	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3229	>	checkCompletedNormally(f, null);
3230		}
3231
3232		/**
3233	<	* acceptEither result completes exceptionally if either source cancelled
3233	>	* allOf returns a future completed normally with the value null
3234	>	* when all components complete normally
3235		*/
3236	<	public void testAcceptEither4() {
3237	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3238	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3239	<	IncAction r = new IncAction();
3240	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
3241	<	assertTrue(f.cancel(true));
3242	<	checkCompletedWithWrappedCancellationException(g);
3243	<	f = new CompletableFuture<>();
3244	<	f2 = new CompletableFuture<>();
3245	<	assertTrue(f2.cancel(true));
3246	<	checkCompletedWithWrappedCancellationException(g);
3236	>	public void testAllOf_normal() throws Exception {
3237	>	for (int k = 1; k < 10; k++) {
3238	>	CompletableFuture<Integer>[] fs
3239	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3240	>	for (int i = 0; i < k; i++)
3241	>	fs[i] = new CompletableFuture<>();
3242	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3243	>	for (int i = 0; i < k; i++) {
3244	>	checkIncomplete(f);
3245	>	checkIncomplete(CompletableFuture.allOf(fs));
3246	>	fs[i].complete(one);
3247	>	}
3248	>	checkCompletedNormally(f, null);
3249	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3250	>	}
3251		}
3252
3253	<	/**
3254	<	* runAfterEither result completes normally after normal completion
3255	<	* of either source
3256	<	*/
3257	<	public void testRunAfterEither() {
3258	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3259	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3260	<	Noop r = new Noop();
3261	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3262	<	f.complete(one);
3263	<	checkCompletedNormally(g, null);
3264	<	f2.complete(one);
3265	<	checkCompletedNormally(g, null);
3266	<	assertTrue(r.ran);
3253	>	public void testAllOf_normal_backwards() throws Exception {
3254	>	for (int k = 1; k < 10; k++) {
3255	>	CompletableFuture<Integer>[] fs
3256	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3257	>	for (int i = 0; i < k; i++)
3258	>	fs[i] = new CompletableFuture<>();
3259	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3260	>	for (int i = k - 1; i >= 0; i--) {
3261	>	checkIncomplete(f);
3262	>	checkIncomplete(CompletableFuture.allOf(fs));
3263	>	fs[i].complete(one);
3264	>	}
3265	>	checkCompletedNormally(f, null);
3266	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3267	>	}
3268	>	}
3269
3270	<	r = new Noop();
3271	<	f = new CompletableFuture<>();
3272	<	f.complete(one);
3273	<	f2 = new CompletableFuture<>();
3274	<	g = f.runAfterEither(f2, r);
3275	<	checkCompletedNormally(g, null);
3276	<	assertTrue(r.ran);
3270	>	public void testAllOf_exceptional() throws Exception {
3271	>	for (int k = 1; k < 10; k++) {
3272	>	CompletableFuture<Integer>[] fs
3273	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3274	>	CFException ex = new CFException();
3275	>	for (int i = 0; i < k; i++)
3276	>	fs[i] = new CompletableFuture<>();
3277	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3278	>	for (int i = 0; i < k; i++) {
3279	>	checkIncomplete(f);
3280	>	checkIncomplete(CompletableFuture.allOf(fs));
3281	>	if (i != k / 2) {
3282	>	fs[i].complete(i);
3283	>	checkCompletedNormally(fs[i], i);
3284	>	} else {
3285	>	fs[i].completeExceptionally(ex);
3286	>	checkCompletedExceptionally(fs[i], ex);
3287	>	}
3288	>	}
3289	>	checkCompletedWithWrappedException(f, ex);
3290	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3291	>	}
3292		}
3293
3294		/**
3295	<	* runAfterEither result completes exceptionally after exceptional
1884	<	* completion of either source
3295	>	* anyOf(no component futures) returns an incomplete future
3296		*/
3297	<	public void testRunAfterEither2() {
3298	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3299	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3300	<	Noop r = new Noop();
3301	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1891	<	f.completeExceptionally(new CFException());
1892	<	f2.complete(one);
1893	<	checkCompletedWithWrappedCFException(g);
3297	>	public void testAnyOf_empty() throws Exception {
3298	>	for (Integer v1 : new Integer[] { 1, null })
3299	>	{
3300	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3301	>	checkIncomplete(f);
3302
3303	<	r = new Noop();
3304	<	f = new CompletableFuture<>();
3305	<	f2 = new CompletableFuture<>();
1898	<	f2.completeExceptionally(new CFException());
1899	<	g = f.runAfterEither(f2, r);
1900	<	checkCompletedWithWrappedCFException(g);
1901	<	}
3303	>	f.complete(v1);
3304	>	checkCompletedNormally(f, v1);
3305	>	}}
3306
3307		/**
3308	<	* runAfterEither result completes exceptionally if action does
3308	>	* anyOf returns a future completed normally with a value when
3309	>	* a component future does
3310		*/
3311	<	public void testRunAfterEither3() {
3312	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3313	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3314	<	FailingNoop r = new FailingNoop();
3315	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3316	<	f2.complete(two);
3317	<	checkCompletedWithWrappedCFException(g);
3311	>	public void testAnyOf_normal() throws Exception {
3312	>	for (int k = 0; k < 10; k++) {
3313	>	CompletableFuture[] fs = new CompletableFuture[k];
3314	>	for (int i = 0; i < k; i++)
3315	>	fs[i] = new CompletableFuture<>();
3316	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3317	>	checkIncomplete(f);
3318	>	for (int i = 0; i < k; i++) {
3319	>	fs[i].complete(i);
3320	>	checkCompletedNormally(f, 0);
3321	>	int x = (int) CompletableFuture.anyOf(fs).join();
3322	>	assertTrue(0 <= x && x <= i);
3323	>	}
3324	>	}
3325		}
3326	<
3327	<	/**
3328	<	* runAfterEither result completes exceptionally if either source cancelled
3329	<	*/
3330	<	public void testRunAfterEither4() {
3331	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3332	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3333	<	Noop r = new Noop();
3334	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3335	<	assertTrue(f.cancel(true));
3336	<	checkCompletedWithWrappedCancellationException(g);
3337	<	f = new CompletableFuture<>();
3338	<	f2 = new CompletableFuture<>();
3339	<	assertTrue(f2.cancel(true));
1928	<	checkCompletedWithWrappedCancellationException(g);
3326	>	public void testAnyOf_normal_backwards() throws Exception {
3327	>	for (int k = 0; k < 10; k++) {
3328	>	CompletableFuture[] fs = new CompletableFuture[k];
3329	>	for (int i = 0; i < k; i++)
3330	>	fs[i] = new CompletableFuture<>();
3331	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3332	>	checkIncomplete(f);
3333	>	for (int i = k - 1; i >= 0; i--) {
3334	>	fs[i].complete(i);
3335	>	checkCompletedNormally(f, k - 1);
3336	>	int x = (int) CompletableFuture.anyOf(fs).join();
3337	>	assertTrue(i <= x && x <= k - 1);
3338	>	}
3339	>	}
3340		}
3341
3342		/**
3343	<	* thenCompose result completes normally after normal completion of source
3343	>	* anyOf result completes exceptionally when any component does.
3344		*/
3345	<	public void testThenCompose() {
3346	<	CompletableFuture<Integer> f, g;
3347	<	CompletableFutureInc r;
3348	<
3349	<	f = new CompletableFuture<>();
3350	<	g = f.thenCompose(r = new CompletableFutureInc());
3351	<	f.complete(one);
3352	<	checkCompletedNormally(g, two);
3353	<	assertTrue(r.ran);
3345	>	public void testAnyOf_exceptional() throws Exception {
3346	>	for (int k = 0; k < 10; k++) {
3347	>	CompletableFuture[] fs = new CompletableFuture[k];
3348	>	CFException[] exs = new CFException[k];
3349	>	for (int i = 0; i < k; i++) {
3350	>	fs[i] = new CompletableFuture<>();
3351	>	exs[i] = new CFException();
3352	>	}
3353	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3354	>	checkIncomplete(f);
3355	>	for (int i = 0; i < k; i++) {
3356	>	fs[i].completeExceptionally(exs[i]);
3357	>	checkCompletedWithWrappedException(f, exs[0]);
3358	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3359	>	}
3360	>	}
3361	>	}
3362
3363	<	f = new CompletableFuture<>();
3364	<	f.complete(one);
3365	<	g = f.thenCompose(r = new CompletableFutureInc());
3366	<	checkCompletedNormally(g, two);
3367	<	assertTrue(r.ran);
3363	>	public void testAnyOf_exceptional_backwards() throws Exception {
3364	>	for (int k = 0; k < 10; k++) {
3365	>	CompletableFuture[] fs = new CompletableFuture[k];
3366	>	CFException[] exs = new CFException[k];
3367	>	for (int i = 0; i < k; i++) {
3368	>	fs[i] = new CompletableFuture<>();
3369	>	exs[i] = new CFException();
3370	>	}
3371	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3372	>	checkIncomplete(f);
3373	>	for (int i = k - 1; i >= 0; i--) {
3374	>	fs[i].completeExceptionally(exs[i]);
3375	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3376	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3377	>	}
3378	>	}
3379		}
3380
3381		/**
3382	<	* thenCompose result completes exceptionally after exceptional
1953	<	* completion of source
3382	>	* Completion methods throw NullPointerException with null arguments
3383		*/
3384	<	public void testThenCompose2() {
3385	<	CompletableFuture<Integer> f, g;
3386	<	CompletableFutureInc r;
3384	>	@SuppressWarnings("FutureReturnValueIgnored")
3385	>	public void testNPE() {
3386	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3387	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3388	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3389	>	ThreadExecutor exec = new ThreadExecutor();
3390
3391	<	f = new CompletableFuture<>();
3392	<	g = f.thenCompose(r = new CompletableFutureInc());
3393	<	f.completeExceptionally(new CFException());
3394	<	checkCompletedWithWrappedCFException(g);
3391	>	Runnable[] throwingActions = {
3392	>	() -> CompletableFuture.supplyAsync(null),
3393	>	() -> CompletableFuture.supplyAsync(null, exec),
3394	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3395
3396	<	f = new CompletableFuture<>();
3397	<	f.completeExceptionally(new CFException());
3398	<	g = f.thenCompose(r = new CompletableFutureInc());
1967	<	checkCompletedWithWrappedCFException(g);
1968	<	}
3396	>	() -> CompletableFuture.runAsync(null),
3397	>	() -> CompletableFuture.runAsync(null, exec),
3398	>	() -> CompletableFuture.runAsync(() -> {}, null),
3399
3400	<	/**
1971	<	* thenCompose result completes exceptionally if action does
1972	<	*/
1973	<	public void testThenCompose3() {
1974	<	CompletableFuture<Integer> f, g;
1975	<	FailingCompletableFutureFunction r;
3400	>	() -> f.completeExceptionally(null),
3401
3402	<	f = new CompletableFuture<>();
3403	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3404	<	f.complete(one);
3405	<	checkCompletedWithWrappedCFException(g);
3402	>	() -> f.thenApply(null),
3403	>	() -> f.thenApplyAsync(null),
3404	>	() -> f.thenApplyAsync(x -> x, null),
3405	>	() -> f.thenApplyAsync(null, exec),
3406
3407	<	f = new CompletableFuture<>();
3408	<	f.complete(one);
3409	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3410	<	checkCompletedWithWrappedCFException(g);
1986	<	}
3407	>	() -> f.thenAccept(null),
3408	>	() -> f.thenAcceptAsync(null),
3409	>	() -> f.thenAcceptAsync(x -> {} , null),
3410	>	() -> f.thenAcceptAsync(null, exec),
3411
3412	<	/**
3413	<	* thenCompose result completes exceptionally if source cancelled
3414	<	*/
3415	<	public void testThenCompose4() {
1992	<	CompletableFuture<Integer> f, g;
1993	<	CompletableFutureInc r;
3412	>	() -> f.thenRun(null),
3413	>	() -> f.thenRunAsync(null),
3414	>	() -> f.thenRunAsync(() -> {} , null),
3415	>	() -> f.thenRunAsync(null, exec),
3416
3417	<	f = new CompletableFuture<>();
3418	<	g = f.thenCompose(r = new CompletableFutureInc());
3419	<	assertTrue(f.cancel(true));
3420	<	checkCompletedWithWrappedCancellationException(g);
3417	>	() -> f.thenCombine(g, null),
3418	>	() -> f.thenCombineAsync(g, null),
3419	>	() -> f.thenCombineAsync(g, null, exec),
3420	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3421	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3422	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3423	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3424
3425	<	f = new CompletableFuture<>();
3426	<	assertTrue(f.cancel(true));
3427	<	g = f.thenCompose(r = new CompletableFutureInc());
3428	<	checkCompletedWithWrappedCancellationException(g);
3429	<	}
3425	>	() -> f.thenAcceptBoth(g, null),
3426	>	() -> f.thenAcceptBothAsync(g, null),
3427	>	() -> f.thenAcceptBothAsync(g, null, exec),
3428	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3429	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3430	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3431	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3432
3433	<	// asyncs
3433	>	() -> f.runAfterBoth(g, null),
3434	>	() -> f.runAfterBothAsync(g, null),
3435	>	() -> f.runAfterBothAsync(g, null, exec),
3436	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3437	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3438	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3439	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3440
3441	<	/**
3442	<	* thenRunAsync result completes normally after normal completion of source
3443	<	*/
3444	<	public void testThenRunAsync() {
3445	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3446	<	Noop r = new Noop();
3447	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2015	<	f.complete(null);
2016	<	checkCompletedNormally(g, null);
3441	>	() -> f.applyToEither(g, null),
3442	>	() -> f.applyToEitherAsync(g, null),
3443	>	() -> f.applyToEitherAsync(g, null, exec),
3444	>	() -> f.applyToEither(nullFuture, x -> x),
3445	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3446	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3447	>	() -> f.applyToEitherAsync(g, x -> x, null),
3448
3449	<	// reordered version
3450	<	f = new CompletableFuture<>();
3451	<	f.complete(null);
3452	<	r = new Noop();
3453	<	g = f.thenRunAsync(r);
3454	<	checkCompletedNormally(g, null);
3455	<	}
3449	>	() -> f.acceptEither(g, null),
3450	>	() -> f.acceptEitherAsync(g, null),
3451	>	() -> f.acceptEitherAsync(g, null, exec),
3452	>	() -> f.acceptEither(nullFuture, x -> {}),
3453	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3454	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3455	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3456
3457	<	/**
3458	<	* thenRunAsync result completes exceptionally after exceptional
3459	<	* completion of source
3460	<	*/
3461	<	public void testThenRunAsync2() {
3462	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3463	<	Noop r = new Noop();
2033	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2034	<	f.completeExceptionally(new CFException());
2035	<	try {
2036	<	g.join();
2037	<	shouldThrow();
2038	<	} catch (CompletionException success) {}
2039	<	checkCompletedWithWrappedCFException(g);
2040	<	}
3457	>	() -> f.runAfterEither(g, null),
3458	>	() -> f.runAfterEitherAsync(g, null),
3459	>	() -> f.runAfterEitherAsync(g, null, exec),
3460	>	() -> f.runAfterEither(nullFuture, () -> {}),
3461	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3462	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3463	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3464
3465	<	/**
3466	<	* thenRunAsync result completes exceptionally if action does
3467	<	*/
3468	<	public void testThenRunAsync3() {
2046	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2047	<	FailingNoop r = new FailingNoop();
2048	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2049	<	f.complete(null);
2050	<	checkCompletedWithWrappedCFException(g);
2051	<	}
3465	>	() -> f.thenCompose(null),
3466	>	() -> f.thenComposeAsync(null),
3467	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3468	>	() -> f.thenComposeAsync(null, exec),
3469
3470	<	/**
2054	<	* thenRunAsync result completes exceptionally if source cancelled
2055	<	*/
2056	<	public void testThenRunAsync4() {
2057	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2058	<	Noop r = new Noop();
2059	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2060	<	assertTrue(f.cancel(true));
2061	<	checkCompletedWithWrappedCancellationException(g);
2062	<	}
3470	>	() -> f.exceptionally(null),
3471
3472	<	/**
2065	<	* thenApplyAsync result completes normally after normal completion of source
2066	<	*/
2067	<	public void testThenApplyAsync() {
2068	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2069	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2070	<	f.complete(one);
2071	<	checkCompletedNormally(g, two);
2072	<	}
3472	>	() -> f.handle(null),
3473
3474	<	/**
3475	<	* thenApplyAsync result completes exceptionally after exceptional
3476	<	* completion of source
3477	<	*/
2078	<	public void testThenApplyAsync2() {
2079	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2080	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2081	<	f.completeExceptionally(new CFException());
2082	<	checkCompletedWithWrappedCFException(g);
2083	<	}
3474	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3475	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3476	>	() -> CompletableFuture.allOf(f, null),
3477	>	() -> CompletableFuture.allOf(null, f),
3478
3479	<	/**
3480	<	* thenApplyAsync result completes exceptionally if action does
3481	<	*/
3482	<	public void testThenApplyAsync3() {
2089	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2090	<	FailingFunction r = new FailingFunction();
2091	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2092	<	f.complete(null);
2093	<	checkCompletedWithWrappedCFException(g);
2094	<	}
3479	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3480	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3481	>	() -> CompletableFuture.anyOf(f, null),
3482	>	() -> CompletableFuture.anyOf(null, f),
3483
3484	<	/**
2097	<	* thenApplyAsync result completes exceptionally if source cancelled
2098	<	*/
2099	<	public void testThenApplyAsync4() {
2100	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2101	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2102	<	assertTrue(f.cancel(true));
2103	<	checkCompletedWithWrappedCancellationException(g);
2104	<	}
3484	>	() -> f.obtrudeException(null),
3485
3486	<	/**
3487	<	* thenAcceptAsync result completes normally after normal
3488	<	* completion of source
2109	<	*/
2110	<	public void testThenAcceptAsync() {
2111	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2112	<	IncAction r = new IncAction();
2113	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2114	<	f.complete(one);
2115	<	checkCompletedNormally(g, null);
2116	<	assertEquals(r.value, 2);
2117	<	}
3486	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3487	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3488	>	() -> CompletableFuture.delayedExecutor(1L, null),
3489
3490	<	/**
3491	<	* thenAcceptAsync result completes exceptionally after exceptional
2121	<	* completion of source
2122	<	*/
2123	<	public void testThenAcceptAsync2() {
2124	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2125	<	IncAction r = new IncAction();
2126	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2127	<	f.completeExceptionally(new CFException());
2128	<	checkCompletedWithWrappedCFException(g);
2129	<	}
3490	>	() -> f.orTimeout(1L, null),
3491	>	() -> f.completeOnTimeout(42, 1L, null),
3492
3493	<	/**
3494	<	* thenAcceptAsync result completes exceptionally if action does
3495	<	*/
2134	<	public void testThenAcceptAsync3() {
2135	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2136	<	FailingConsumer r = new FailingConsumer();
2137	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2138	<	f.complete(null);
2139	<	checkCompletedWithWrappedCFException(g);
2140	<	}
3493	>	() -> CompletableFuture.failedFuture(null),
3494	>	() -> CompletableFuture.failedStage(null),
3495	>	};
3496
3497	<	/**
3498	<	* thenAcceptAsync result completes exceptionally if source cancelled
2144	<	*/
2145	<	public void testThenAcceptAsync4() {
2146	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2147	<	IncAction r = new IncAction();
2148	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2149	<	assertTrue(f.cancel(true));
2150	<	checkCompletedWithWrappedCancellationException(g);
3497	>	assertThrows(NullPointerException.class, throwingActions);
3498	>	assertEquals(0, exec.count.get());
3499		}
3500
3501		/**
3502	<	* applyToEitherAsync result completes normally after normal
2155	<	* completion of sources
3502	>	* Test submissions to an executor that rejects all tasks.
3503		*/
3504	<	public void testApplyToEitherAsync() {
3505	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3506	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3507	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3508	<	f.complete(one);
3509	<	checkCompletedNormally(g, two);
3504	>	public void testRejectingExecutor() {
3505	>	for (Integer v : new Integer[] { 1, null })
3506	>	{
3507	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3508	>
3509	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3510	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3511	>
3512	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3513	>
3514	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3515	>	srcs.add(complete);
3516	>	srcs.add(incomplete);
3517	>
3518	>	for (CompletableFuture<Integer> src : srcs) {
3519	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3520	>	fs.add(src.thenRunAsync(() -> {}, e));
3521	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3522	>	fs.add(src.thenApplyAsync(z -> z, e));
3523	>
3524	>	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3525	>	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3526	>	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3527	>
3528	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3529	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3530	>	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3531	>
3532	>	fs.add(src.thenComposeAsync(z -> null, e));
3533	>	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3534	>	fs.add(src.handleAsync((z, t) -> null, e));
3535	>
3536	>	for (CompletableFuture<?> future : fs) {
3537	>	if (src.isDone())
3538	>	checkCompletedWithWrappedException(future, e.ex);
3539	>	else
3540	>	checkIncomplete(future);
3541	>	}
3542	>	futures.addAll(fs);
3543	>	}
3544
3545	<	f = new CompletableFuture<>();
3546	<	f.complete(one);
2166	<	f2 = new CompletableFuture<>();
2167	<	g = f.applyToEitherAsync(f2, inc);
2168	<	checkCompletedNormally(g, two);
2169	<	}
3545	>	{
3546	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3547
3548	<	/**
3549	<	* applyToEitherAsync result completes exceptionally after exceptional
2173	<	* completion of source
2174	<	*/
2175	<	public void testApplyToEitherAsync2() {
2176	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2177	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2178	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2179	<	f.completeExceptionally(new CFException());
2180	<	checkCompletedWithWrappedCFException(g);
3548	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3549	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3550
3551	<	f = new CompletableFuture<>();
3552	<	f2 = new CompletableFuture<>();
2184	<	f2.completeExceptionally(new CFException());
2185	<	g = f.applyToEitherAsync(f2, inc);
2186	<	f.complete(one);
2187	<	checkCompletedWithWrappedCFException(g);
2188	<	}
3551	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3552	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3553
3554	<	/**
3555	<	* applyToEitherAsync result completes exceptionally if action does
2192	<	*/
2193	<	public void testApplyToEitherAsync3() {
2194	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2195	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2196	<	FailingFunction r = new FailingFunction();
2197	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
2198	<	f.complete(one);
2199	<	checkCompletedWithWrappedCFException(g);
2200	<	}
3554	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3555	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3556
3557	<	/**
3558	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3559	<	*/
3560	<	public void testApplyToEitherAsync4() {
2206	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2207	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2208	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2209	<	assertTrue(f.cancel(true));
2210	<	checkCompletedWithWrappedCancellationException(g);
3557	>	for (CompletableFuture<?> future : fs)
3558	>	checkIncomplete(future);
3559	>	futures.addAll(fs);
3560	>	}
3561
3562	<	f = new CompletableFuture<>();
3563	<	f2 = new CompletableFuture<>();
2214	<	assertTrue(f2.cancel(true));
2215	<	g = f.applyToEitherAsync(f2, inc);
2216	<	checkCompletedWithWrappedCancellationException(g);
2217	<	}
3562	>	{
3563	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3564
3565	<	/**
3566	<	* acceptEitherAsync result completes normally after normal
2221	<	* completion of sources
2222	<	*/
2223	<	public void testAcceptEitherAsync() {
2224	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2225	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2226	<	IncAction r = new IncAction();
2227	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2228	<	f.complete(one);
2229	<	checkCompletedNormally(g, null);
2230	<	assertEquals(r.value, 2);
3565	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3566	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3567
3568	<	r = new IncAction();
3569	<	f = new CompletableFuture<>();
2234	<	f.complete(one);
2235	<	f2 = new CompletableFuture<>();
2236	<	g = f.acceptEitherAsync(f2, r);
2237	<	checkCompletedNormally(g, null);
2238	<	assertEquals(r.value, 2);
2239	<	}
3568	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3569	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3570
3571	<	/**
3572	<	* acceptEitherAsync result completes exceptionally after exceptional
2243	<	* completion of source
2244	<	*/
2245	<	public void testAcceptEitherAsync2() {
2246	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2247	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2248	<	IncAction r = new IncAction();
2249	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2250	<	f.completeExceptionally(new CFException());
2251	<	checkCompletedWithWrappedCFException(g);
3571	>	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3572	>	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3573
3574	<	r = new IncAction();
3575	<	f = new CompletableFuture<>();
3576	<	f2 = new CompletableFuture<>();
3577	<	f2.completeExceptionally(new CFException());
2257	<	g = f.acceptEitherAsync(f2, r);
2258	<	f.complete(one);
2259	<	checkCompletedWithWrappedCFException(g);
2260	<	}
3574	>	for (CompletableFuture<?> future : fs)
3575	>	checkCompletedWithWrappedException(future, e.ex);
3576	>	futures.addAll(fs);
3577	>	}
3578
3579	<	/**
2263	<	* acceptEitherAsync result completes exceptionally if action does
2264	<	*/
2265	<	public void testAcceptEitherAsync3() {
2266	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2267	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2268	<	FailingConsumer r = new FailingConsumer();
2269	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2270	<	f.complete(one);
2271	<	checkCompletedWithWrappedCFException(g);
2272	<	}
3579	>	incomplete.complete(v);
3580
3581	<	/**
3582	<	* acceptEitherAsync result completes exceptionally if either
2276	<	* source cancelled
2277	<	*/
2278	<	public void testAcceptEitherAsync4() {
2279	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2280	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2281	<	IncAction r = new IncAction();
2282	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2283	<	assertTrue(f.cancel(true));
2284	<	checkCompletedWithWrappedCancellationException(g);
3581	>	for (CompletableFuture<?> future : futures)
3582	>	checkCompletedWithWrappedException(future, e.ex);
3583
3584	<	r = new IncAction();
3585	<	f = new CompletableFuture<>();
2288	<	f2 = new CompletableFuture<>();
2289	<	assertTrue(f2.cancel(true));
2290	<	g = f.acceptEitherAsync(f2, r);
2291	<	checkCompletedWithWrappedCancellationException(g);
2292	<	}
3584	>	assertEquals(futures.size(), e.count.get());
3585	>	}}
3586
3587		/**
3588	<	* runAfterEitherAsync result completes normally after normal
3589	<	* completion of sources
3588	>	* Test submissions to an executor that rejects all tasks, but
3589	>	* should never be invoked because the dependent future is
3590	>	* explicitly completed.
3591		*/
3592	<	public void testRunAfterEitherAsync() {
3593	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3594	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3595	<	Noop r = new Noop();
2302	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2303	<	f.complete(one);
2304	<	checkCompletedNormally(g, null);
2305	<	assertTrue(r.ran);
3592	>	public void testRejectingExecutorNeverInvoked() {
3593	>	for (Integer v : new Integer[] { 1, null })
3594	>	{
3595	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3596
3597	<	r = new Noop();
3598	<	f = new CompletableFuture<>();
2309	<	f.complete(one);
2310	<	f2 = new CompletableFuture<>();
2311	<	g = f.runAfterEitherAsync(f2, r);
2312	<	checkCompletedNormally(g, null);
2313	<	assertTrue(r.ran);
2314	<	}
3597	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3598	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3599
3600	<	/**
2317	<	* runAfterEitherAsync result completes exceptionally after exceptional
2318	<	* completion of source
2319	<	*/
2320	<	public void testRunAfterEitherAsync2() {
2321	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2322	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2323	<	Noop r = new Noop();
2324	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2325	<	f.completeExceptionally(new CFException());
2326	<	checkCompletedWithWrappedCFException(g);
3600	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3601
3602	<	r = new Noop();
3603	<	f = new CompletableFuture<>();
3604	<	f2 = new CompletableFuture<>();
2331	<	f2.completeExceptionally(new CFException());
2332	<	g = f.runAfterEitherAsync(f2, r);
2333	<	f.complete(one);
2334	<	checkCompletedWithWrappedCFException(g);
2335	<	}
3602	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3603	>	srcs.add(complete);
3604	>	srcs.add(incomplete);
3605
3606	<	/**
3607	<	* runAfterEitherAsync result completes exceptionally if action does
3608	<	*/
3609	<	public void testRunAfterEitherAsync3() {
2341	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2342	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2343	<	FailingNoop r = new FailingNoop();
2344	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2345	<	f.complete(one);
2346	<	checkCompletedWithWrappedCFException(g);
2347	<	}
3606	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3607	>	fs.add(incomplete.thenRunAsync(() -> {}, e));
3608	>	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3609	>	fs.add(incomplete.thenApplyAsync(z -> z, e));
3610
3611	<	/**
3612	<	* runAfterEitherAsync result completes exceptionally if either
3613	<	* source cancelled
2352	<	*/
2353	<	public void testRunAfterEitherAsync4() {
2354	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2355	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2356	<	Noop r = new Noop();
2357	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2358	<	assertTrue(f.cancel(true));
2359	<	checkCompletedWithWrappedCancellationException(g);
3611	>	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3612	>	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3613	>	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3614
3615	<	r = new Noop();
3616	<	f = new CompletableFuture<>();
3617	<	f2 = new CompletableFuture<>();
2364	<	assertTrue(f2.cancel(true));
2365	<	g = f.runAfterEitherAsync(f2, r);
2366	<	checkCompletedWithWrappedCancellationException(g);
2367	<	}
3615	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3616	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3617	>	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3618
3619	<	/**
3620	<	* thenComposeAsync result completes normally after normal
3621	<	* completion of source
2372	<	*/
2373	<	public void testThenComposeAsync() {
2374	<	CompletableFuture<Integer> f, g;
2375	<	CompletableFutureInc r;
3619	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3620	>	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3621	>	fs.add(incomplete.handleAsync((z, t) -> null, e));
3622
3623	<	f = new CompletableFuture<>();
3624	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2379	<	f.complete(one);
2380	<	checkCompletedNormally(g, two);
3623	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3624	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3625
3626	<	f = new CompletableFuture<>();
3627	<	f.complete(one);
2384	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2385	<	checkCompletedNormally(g, two);
2386	<	}
3626	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3627	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3628
3629	<	/**
3630	<	* thenComposeAsync result completes exceptionally after
2390	<	* exceptional completion of source
2391	<	*/
2392	<	public void testThenComposeAsync2() {
2393	<	CompletableFuture<Integer> f, g;
2394	<	CompletableFutureInc r;
3629	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3630	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3631
3632	<	f = new CompletableFuture<>();
3633	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2398	<	f.completeExceptionally(new CFException());
2399	<	checkCompletedWithWrappedCFException(g);
2400	<	assertFalse(r.ran);
3632	>	for (CompletableFuture<?> future : fs)
3633	>	checkIncomplete(future);
3634
3635	<	f = new CompletableFuture<>();
3636	<	f.completeExceptionally(new CFException());
2404	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2405	<	checkCompletedWithWrappedCFException(g);
2406	<	assertFalse(r.ran);
2407	<	}
3635	>	for (CompletableFuture<?> future : fs)
3636	>	future.complete(null);
3637
3638	<	/**
2410	<	* thenComposeAsync result completes exceptionally if action does
2411	<	*/
2412	<	public void testThenComposeAsync3() {
2413	<	CompletableFuture<Integer> f, g;
2414	<	FailingCompletableFutureFunction r;
3638	>	incomplete.complete(v);
3639
3640	<	f = new CompletableFuture<>();
3641	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2418	<	f.complete(one);
2419	<	checkCompletedWithWrappedCFException(g);
3640	>	for (CompletableFuture<?> future : fs)
3641	>	checkCompletedNormally(future, null);
3642
3643	<	f = new CompletableFuture<>();
3644	<	f.complete(one);
2423	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2424	<	checkCompletedWithWrappedCFException(g);
2425	<	}
3643	>	assertEquals(0, e.count.get());
3644	>	}}
3645
3646		/**
3647	<	* thenComposeAsync result completes exceptionally if source cancelled
3647	>	* toCompletableFuture returns this CompletableFuture.
3648		*/
3649	<	public void testThenComposeAsync4() {
3650	<	CompletableFuture<Integer> f, g;
3651	<	CompletableFutureInc r;
2433	<
2434	<	f = new CompletableFuture<>();
2435	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2436	<	assertTrue(f.cancel(true));
2437	<	checkCompletedWithWrappedCancellationException(g);
2438	<
2439	<	f = new CompletableFuture<>();
2440	<	assertTrue(f.cancel(true));
2441	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2442	<	checkCompletedWithWrappedCancellationException(g);
3649	>	public void testToCompletableFuture() {
3650	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3651	>	assertSame(f, f.toCompletableFuture());
3652		}
3653
3654	<	// async with explicit executors
3654	>	// jdk9
3655
3656		/**
3657	<	* thenRunAsync result completes normally after normal completion of source
3657	>	* newIncompleteFuture returns an incomplete CompletableFuture
3658		*/
3659	<	public void testThenRunAsyncE() {
3659	>	public void testNewIncompleteFuture() {
3660	>	for (Integer v1 : new Integer[] { 1, null })
3661	>	{
3662		CompletableFuture<Integer> f = new CompletableFuture<>();
3663	<	Noop r = new Noop();
3664	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3665	<	f.complete(null);
3666	<	checkCompletedNormally(g, null);
3667	<
3668	<	// reordered version
3669	<	f = new CompletableFuture<>();
3670	<	f.complete(null);
3671	<	r = new Noop();
3672	<	g = f.thenRunAsync(r, new ThreadExecutor());
2462	<	checkCompletedNormally(g, null);
2463	<	}
3663	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3664	>	checkIncomplete(f);
3665	>	checkIncomplete(g);
3666	>	f.complete(v1);
3667	>	checkCompletedNormally(f, v1);
3668	>	checkIncomplete(g);
3669	>	g.complete(v1);
3670	>	checkCompletedNormally(g, v1);
3671	>	assertSame(g.getClass(), CompletableFuture.class);
3672	>	}}
3673
3674		/**
3675	<	* thenRunAsync result completes exceptionally after exceptional
2467	<	* completion of source
3675	>	* completedStage returns a completed CompletionStage
3676		*/
3677	<	public void testThenRunAsync2E() {
3678	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3679	<	Noop r = new Noop();
3680	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3681	<	f.completeExceptionally(new CFException());
3682	<	try {
3683	<	g.join();
2476	<	shouldThrow();
2477	<	} catch (CompletionException success) {}
2478	<	checkCompletedWithWrappedCFException(g);
3677	>	public void testCompletedStage() {
3678	>	AtomicInteger x = new AtomicInteger(0);
3679	>	AtomicReference<Throwable> r = new AtomicReference<>();
3680	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3681	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3682	>	assertEquals(x.get(), 1);
3683	>	assertNull(r.get());
3684		}
3685
3686		/**
3687	<	* thenRunAsync result completes exceptionally if action does
3687	>	* defaultExecutor by default returns the commonPool if
3688	>	* it supports more than one thread.
3689		*/
3690	<	public void testThenRunAsync3E() {
3690	>	public void testDefaultExecutor() {
3691		CompletableFuture<Integer> f = new CompletableFuture<>();
3692	<	FailingNoop r = new FailingNoop();
3693	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3694	<	f.complete(null);
3695	<	checkCompletedWithWrappedCFException(g);
3692	>	Executor e = f.defaultExecutor();
3693	>	Executor c = ForkJoinPool.commonPool();
3694	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3695	>	assertSame(e, c);
3696	>	else
3697	>	assertNotSame(e, c);
3698		}
3699
3700		/**
3701	<	* thenRunAsync result completes exceptionally if source cancelled
3701	>	* failedFuture returns a CompletableFuture completed
3702	>	* exceptionally with the given Exception
3703		*/
3704	<	public void testThenRunAsync4E() {
3705	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3706	<	Noop r = new Noop();
3707	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2499	<	assertTrue(f.cancel(true));
2500	<	checkCompletedWithWrappedCancellationException(g);
3704	>	public void testFailedFuture() {
3705	>	CFException ex = new CFException();
3706	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3707	>	checkCompletedExceptionally(f, ex);
3708		}
3709
3710		/**
3711	<	* thenApplyAsync result completes normally after normal completion of source
3711	>	* failedFuture(null) throws NPE
3712		*/
3713	<	public void testThenApplyAsyncE() {
3714	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3715	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3716	<	f.complete(one);
3717	<	checkCompletedNormally(g, two);
3713	>	public void testFailedFuture_null() {
3714	>	try {
3715	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3716	>	shouldThrow();
3717	>	} catch (NullPointerException success) {}
3718		}
3719
3720		/**
3721	<	* thenApplyAsync result completes exceptionally after exceptional
3722	<	* completion of source
3721	>	* copy returns a CompletableFuture that is completed normally,
3722	>	* with the same value, when source is.
3723		*/
3724	<	public void testThenApplyAsync2E() {
3724	>	public void testCopy_normalCompletion() {
3725	>	for (boolean createIncomplete : new boolean[] { true, false })
3726	>	for (Integer v1 : new Integer[] { 1, null })
3727	>	{
3728		CompletableFuture<Integer> f = new CompletableFuture<>();
3729	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3730	<	f.completeExceptionally(new CFException());
3731	<	checkCompletedWithWrappedCFException(g);
3732	<	}
3729	>	if (!createIncomplete) assertTrue(f.complete(v1));
3730	>	CompletableFuture<Integer> g = f.copy();
3731	>	if (createIncomplete) {
3732	>	checkIncomplete(f);
3733	>	checkIncomplete(g);
3734	>	assertTrue(f.complete(v1));
3735	>	}
3736	>	checkCompletedNormally(f, v1);
3737	>	checkCompletedNormally(g, v1);
3738	>	}}
3739
3740		/**
3741	<	* thenApplyAsync result completes exceptionally if action does
3741	>	* copy returns a CompletableFuture that is completed exceptionally
3742	>	* when source is.
3743		*/
3744	<	public void testThenApplyAsync3E() {
3744	>	public void testCopy_exceptionalCompletion() {
3745	>	for (boolean createIncomplete : new boolean[] { true, false })
3746	>	{
3747	>	CFException ex = new CFException();
3748		CompletableFuture<Integer> f = new CompletableFuture<>();
3749	<	FailingFunction r = new FailingFunction();
3750	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3751	<	f.complete(null);
3752	<	checkCompletedWithWrappedCFException(g);
3753	<	}
3749	>	if (!createIncomplete) f.completeExceptionally(ex);
3750	>	CompletableFuture<Integer> g = f.copy();
3751	>	if (createIncomplete) {
3752	>	checkIncomplete(f);
3753	>	checkIncomplete(g);
3754	>	f.completeExceptionally(ex);
3755	>	}
3756	>	checkCompletedExceptionally(f, ex);
3757	>	checkCompletedWithWrappedException(g, ex);
3758	>	}}
3759
3760		/**
3761	<	* thenApplyAsync result completes exceptionally if source cancelled
3761	>	* Completion of a copy does not complete its source.
3762		*/
3763	<	public void testThenApplyAsync4E() {
3763	>	public void testCopy_oneWayPropagation() {
3764		CompletableFuture<Integer> f = new CompletableFuture<>();
3765	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3766	<	assertTrue(f.cancel(true));
3767	<	checkCompletedWithWrappedCancellationException(g);
3765	>	assertTrue(f.copy().complete(1));
3766	>	assertTrue(f.copy().complete(null));
3767	>	assertTrue(f.copy().cancel(true));
3768	>	assertTrue(f.copy().cancel(false));
3769	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3770	>	checkIncomplete(f);
3771		}
3772
3773		/**
3774	<	* thenAcceptAsync result completes normally after normal
3775	<	* completion of source
3774	>	* minimalCompletionStage returns a CompletableFuture that is
3775	>	* completed normally, with the same value, when source is.
3776		*/
3777	<	public void testThenAcceptAsyncE() {
3777	>	public void testMinimalCompletionStage() {
3778		CompletableFuture<Integer> f = new CompletableFuture<>();
3779	<	IncAction r = new IncAction();
3780	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3781	<	f.complete(one);
3782	<	checkCompletedNormally(g, null);
3783	<	assertEquals(r.value, 2);
3779	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3780	>	AtomicInteger x = new AtomicInteger(0);
3781	>	AtomicReference<Throwable> r = new AtomicReference<>();
3782	>	checkIncomplete(f);
3783	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3784	>	f.complete(1);
3785	>	checkCompletedNormally(f, 1);
3786	>	assertEquals(x.get(), 1);
3787	>	assertNull(r.get());
3788		}
3789
3790		/**
3791	<	* thenAcceptAsync result completes exceptionally after exceptional
3792	<	* completion of source
3791	>	* minimalCompletionStage returns a CompletableFuture that is
3792	>	* completed exceptionally when source is.
3793		*/
3794	<	public void testThenAcceptAsync2E() {
3794	>	public void testMinimalCompletionStage2() {
3795		CompletableFuture<Integer> f = new CompletableFuture<>();
3796	<	IncAction r = new IncAction();
3797	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3798	<	f.completeExceptionally(new CFException());
3799	<	checkCompletedWithWrappedCFException(g);
3796	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3797	>	AtomicInteger x = new AtomicInteger(0);
3798	>	AtomicReference<Throwable> r = new AtomicReference<>();
3799	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3800	>	checkIncomplete(f);
3801	>	CFException ex = new CFException();
3802	>	f.completeExceptionally(ex);
3803	>	checkCompletedExceptionally(f, ex);
3804	>	assertEquals(x.get(), 0);
3805	>	assertEquals(r.get().getCause(), ex);
3806		}
3807
3808		/**
3809	<	* thenAcceptAsync result completes exceptionally if action does
3809	>	* failedStage returns a CompletionStage completed
3810	>	* exceptionally with the given Exception
3811		*/
3812	<	public void testThenAcceptAsync3E() {
3813	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3814	<	FailingConsumer r = new FailingConsumer();
3815	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3816	<	f.complete(null);
3817	<	checkCompletedWithWrappedCFException(g);
3812	>	public void testFailedStage() {
3813	>	CFException ex = new CFException();
3814	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3815	>	AtomicInteger x = new AtomicInteger(0);
3816	>	AtomicReference<Throwable> r = new AtomicReference<>();
3817	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3818	>	assertEquals(x.get(), 0);
3819	>	assertEquals(r.get(), ex);
3820		}
3821
3822		/**
3823	<	* thenAcceptAsync result completes exceptionally if source cancelled
3823	>	* completeAsync completes with value of given supplier
3824		*/
3825	<	public void testThenAcceptAsync4E() {
3825	>	public void testCompleteAsync() {
3826	>	for (Integer v1 : new Integer[] { 1, null })
3827	>	{
3828		CompletableFuture<Integer> f = new CompletableFuture<>();
3829	<	IncAction r = new IncAction();
3830	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3831	<	assertTrue(f.cancel(true));
3832	<	checkCompletedWithWrappedCancellationException(g);
2590	<	}
3829	>	f.completeAsync(() -> v1);
3830	>	f.join();
3831	>	checkCompletedNormally(f, v1);
3832	>	}}
3833
3834		/**
3835	<	* applyToEitherAsync result completes normally after normal
2594	<	* completion of sources
3835	>	* completeAsync completes exceptionally if given supplier throws
3836		*/
3837	<	public void testApplyToEitherAsyncE() {
3837	>	public void testCompleteAsync2() {
3838		CompletableFuture<Integer> f = new CompletableFuture<>();
3839	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3840	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3841	<	f.complete(one);
3842	<	checkCompletedNormally(g, two);
3843	<
3844	<	f = new CompletableFuture<>();
3845	<	f.complete(one);
2605	<	f2 = new CompletableFuture<>();
2606	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2607	<	checkCompletedNormally(g, two);
3839	>	CFException ex = new CFException();
3840	>	f.completeAsync(() -> { throw ex; });
3841	>	try {
3842	>	f.join();
3843	>	shouldThrow();
3844	>	} catch (CompletionException success) {}
3845	>	checkCompletedWithWrappedException(f, ex);
3846		}
3847
3848		/**
3849	<	* applyToEitherAsync result completes exceptionally after exceptional
2612	<	* completion of source
3849	>	* completeAsync with given executor completes with value of given supplier
3850		*/
3851	<	public void testApplyToEitherAsync2E() {
3851	>	public void testCompleteAsync3() {
3852	>	for (Integer v1 : new Integer[] { 1, null })
3853	>	{
3854		CompletableFuture<Integer> f = new CompletableFuture<>();
3855	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3856	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3857	<	f.completeExceptionally(new CFException());
3858	<	checkCompletedWithWrappedCFException(g);
3859	<
3860	<	f = new CompletableFuture<>();
2622	<	f2 = new CompletableFuture<>();
2623	<	f2.completeExceptionally(new CFException());
2624	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2625	<	f.complete(one);
2626	<	checkCompletedWithWrappedCFException(g);
2627	<	}
3855	>	ThreadExecutor executor = new ThreadExecutor();
3856	>	f.completeAsync(() -> v1, executor);
3857	>	assertSame(v1, f.join());
3858	>	checkCompletedNormally(f, v1);
3859	>	assertEquals(1, executor.count.get());
3860	>	}}
3861
3862		/**
3863	<	* applyToEitherAsync result completes exceptionally if action does
3863	>	* completeAsync with given executor completes exceptionally if
3864	>	* given supplier throws
3865		*/
3866	<	public void testApplyToEitherAsync3E() {
3866	>	public void testCompleteAsync4() {
3867		CompletableFuture<Integer> f = new CompletableFuture<>();
3868	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3869	<	FailingFunction r = new FailingFunction();
3870	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
3871	<	f.complete(one);
3872	<	checkCompletedWithWrappedCFException(g);
3868	>	CFException ex = new CFException();
3869	>	ThreadExecutor executor = new ThreadExecutor();
3870	>	f.completeAsync(() -> { throw ex; }, executor);
3871	>	try {
3872	>	f.join();
3873	>	shouldThrow();
3874	>	} catch (CompletionException success) {}
3875	>	checkCompletedWithWrappedException(f, ex);
3876	>	assertEquals(1, executor.count.get());
3877		}
3878
3879		/**
3880	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3880	>	* orTimeout completes with TimeoutException if not complete
3881		*/
3882	<	public void testApplyToEitherAsync4E() {
3882	>	public void testOrTimeout_timesOut() {
3883	>	long timeoutMillis = timeoutMillis();
3884		CompletableFuture<Integer> f = new CompletableFuture<>();
3885	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3886	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3887	<	assertTrue(f.cancel(true));
3888	<	checkCompletedWithWrappedCancellationException(g);
2650	<
2651	<	f = new CompletableFuture<>();
2652	<	f2 = new CompletableFuture<>();
2653	<	assertTrue(f2.cancel(true));
2654	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2655	<	checkCompletedWithWrappedCancellationException(g);
3885	>	long startTime = System.nanoTime();
3886	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3887	>	checkCompletedWithTimeoutException(f);
3888	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3889		}
3890
3891		/**
3892	<	* acceptEitherAsync result completes normally after normal
2660	<	* completion of sources
3892	>	* orTimeout completes normally if completed before timeout
3893		*/
3894	<	public void testAcceptEitherAsyncE() {
3894	>	public void testOrTimeout_completed() {
3895	>	for (Integer v1 : new Integer[] { 1, null })
3896	>	{
3897		CompletableFuture<Integer> f = new CompletableFuture<>();
3898	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3899	<	IncAction r = new IncAction();
3900	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3901	<	f.complete(one);
3902	<	checkCompletedNormally(g, null);
3903	<	assertEquals(r.value, 2);
3904	<
3905	<	r = new IncAction();
3906	<	f = new CompletableFuture<>();
3907	<	f.complete(one);
2674	<	f2 = new CompletableFuture<>();
2675	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2676	<	checkCompletedNormally(g, null);
2677	<	assertEquals(r.value, 2);
2678	<	}
3898	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3899	>	long startTime = System.nanoTime();
3900	>	f.complete(v1);
3901	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3902	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3903	>	g.complete(v1);
3904	>	checkCompletedNormally(f, v1);
3905	>	checkCompletedNormally(g, v1);
3906	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3907	>	}}
3908
3909		/**
3910	<	* acceptEitherAsync result completes exceptionally after exceptional
2682	<	* completion of source
3910	>	* completeOnTimeout completes with given value if not complete
3911		*/
3912	<	public void testAcceptEitherAsync2E() {
3913	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3914	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2687	<	IncAction r = new IncAction();
2688	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2689	<	f.completeExceptionally(new CFException());
2690	<	checkCompletedWithWrappedCFException(g);
2691	<
2692	<	r = new IncAction();
2693	<	f = new CompletableFuture<>();
2694	<	f2 = new CompletableFuture<>();
2695	<	f2.completeExceptionally(new CFException());
2696	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2697	<	f.complete(one);
2698	<	checkCompletedWithWrappedCFException(g);
3912	>	public void testCompleteOnTimeout_timesOut() {
3913	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3914	>	() -> testCompleteOnTimeout_timesOut(null));
3915		}
3916
3917		/**
3918	<	* acceptEitherAsync result completes exceptionally if action does
3918	>	* completeOnTimeout completes with given value if not complete
3919		*/
3920	<	public void testAcceptEitherAsync3E() {
3920	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3921	>	long timeoutMillis = timeoutMillis();
3922		CompletableFuture<Integer> f = new CompletableFuture<>();
3923	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3924	<	FailingConsumer r = new FailingConsumer();
3925	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3926	<	f.complete(one);
3927	<	checkCompletedWithWrappedCFException(g);
3923	>	long startTime = System.nanoTime();
3924	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3925	>	assertSame(v, f.join());
3926	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3927	>	f.complete(99);         // should have no effect
3928	>	checkCompletedNormally(f, v);
3929		}
3930
3931		/**
3932	<	* acceptEitherAsync result completes exceptionally if either
2715	<	* source cancelled
3932	>	* completeOnTimeout has no effect if completed within timeout
3933		*/
3934	<	public void testAcceptEitherAsync4E() {
3934	>	public void testCompleteOnTimeout_completed() {
3935	>	for (Integer v1 : new Integer[] { 1, null })
3936	>	{
3937		CompletableFuture<Integer> f = new CompletableFuture<>();
3938	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3939	<	IncAction r = new IncAction();
3940	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3941	<	assertTrue(f.cancel(true));
3942	<	checkCompletedWithWrappedCancellationException(g);
3943	<
3944	<	r = new IncAction();
3945	<	f = new CompletableFuture<>();
3946	<	f2 = new CompletableFuture<>();
3947	<	assertTrue(f2.cancel(true));
2729	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2730	<	checkCompletedWithWrappedCancellationException(g);
2731	<	}
3938	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3939	>	long startTime = System.nanoTime();
3940	>	f.complete(v1);
3941	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3942	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3943	>	g.complete(v1);
3944	>	checkCompletedNormally(f, v1);
3945	>	checkCompletedNormally(g, v1);
3946	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3947	>	}}
3948
3949		/**
3950	<	* runAfterEitherAsync result completes normally after normal
2735	<	* completion of sources
3950	>	* delayedExecutor returns an executor that delays submission
3951		*/
3952	<	public void testRunAfterEitherAsyncE() {
3953	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3954	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3955	<	Noop r = new Noop();
3956	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3957	<	f.complete(one);
3958	<	checkCompletedNormally(g, null);
3959	<	assertTrue(r.ran);
3952	>	public void testDelayedExecutor() {
3953	>	testInParallel(() -> testDelayedExecutor(null, null),
3954	>	() -> testDelayedExecutor(null, 1),
3955	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3956	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3957	>	}
3958	>
3959	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3960	>	long timeoutMillis = timeoutMillis();
3961	>	// Use an "unreasonably long" long timeout to catch lingering threads
3962	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3963	>	final Executor delayer, longDelayer;
3964	>	if (executor == null) {
3965	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3966	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3967	>	} else {
3968	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3969	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3970	>	}
3971	>	long startTime = System.nanoTime();
3972	>	CompletableFuture<Integer> f =
3973	>	CompletableFuture.supplyAsync(() -> v, delayer);
3974	>	CompletableFuture<Integer> g =
3975	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3976
3977	<	r = new Noop();
2747	<	f = new CompletableFuture<>();
2748	<	f.complete(one);
2749	<	f2 = new CompletableFuture<>();
2750	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2751	<	checkCompletedNormally(g, null);
2752	<	assertTrue(r.ran);
2753	<	}
3977	>	assertNull(g.getNow(null));
3978
3979	<	/**
3980	<	* runAfterEitherAsync result completes exceptionally after exceptional
3981	<	* completion of source
3982	<	*/
2759	<	public void testRunAfterEitherAsync2E() {
2760	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2761	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2762	<	Noop r = new Noop();
2763	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2764	<	f.completeExceptionally(new CFException());
2765	<	checkCompletedWithWrappedCFException(g);
3979	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3980	>	long millisElapsed = millisElapsedSince(startTime);
3981	>	assertTrue(millisElapsed >= timeoutMillis);
3982	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3983
3984	<	r = new Noop();
2768	<	f = new CompletableFuture<>();
2769	<	f2 = new CompletableFuture<>();
2770	<	f2.completeExceptionally(new CFException());
2771	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2772	<	f.complete(one);
2773	<	checkCompletedWithWrappedCFException(g);
2774	<	}
3984	>	checkCompletedNormally(f, v);
3985
3986	<	/**
3987	<	* runAfterEitherAsync result completes exceptionally if action does
2778	<	*/
2779	<	public void testRunAfterEitherAsync3E() {
2780	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2781	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2782	<	FailingNoop r = new FailingNoop();
2783	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2784	<	f.complete(one);
2785	<	checkCompletedWithWrappedCFException(g);
3986	>	checkIncomplete(g);
3987	>	assertTrue(g.cancel(true));
3988		}
3989
3990	<	/**
2789	<	* runAfterEitherAsync result completes exceptionally if either
2790	<	* source cancelled
2791	<	*/
2792	<	public void testRunAfterEitherAsync4E() {
2793	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2794	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2795	<	Noop r = new Noop();
2796	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2797	<	assertTrue(f.cancel(true));
2798	<	checkCompletedWithWrappedCancellationException(g);
3990	>	//--- tests of implementation details; not part of official tck ---
3991
3992	<	r = new Noop();
3993	<	f = new CompletableFuture<>();
3994	<	f2 = new CompletableFuture<>();
3995	<	assertTrue(f2.cancel(true));
3996	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3997	<	checkCompletedWithWrappedCancellationException(g);
3998	<	}
3992	>	Object resultOf(CompletableFuture<?> f) {
3993	>	SecurityManager sm = System.getSecurityManager();
3994	>	if (sm != null) {
3995	>	try {
3996	>	System.setSecurityManager(null);
3997	>	} catch (SecurityException giveUp) {
3998	>	return "Reflection not available";
3999	>	}
4000	>	}
4001
4002	<	/**
4003	<	* thenComposeAsync result completes normally after normal
4004	<	* completion of source
4005	<	*/
4006	<	public void testThenComposeAsyncE() {
4007	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4008	<	CompletableFutureInc r = new CompletableFutureInc();
4009	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4010	<	f.complete(one);
4011	<	checkCompletedNormally(g, two);
4002	>	try {
4003	>	java.lang.reflect.Field resultField
4004	>	= CompletableFuture.class.getDeclaredField("result");
4005	>	resultField.setAccessible(true);
4006	>	return resultField.get(f);
4007	>	} catch (Throwable t) {
4008	>	throw new AssertionError(t);
4009	>	} finally {
4010	>	if (sm != null) System.setSecurityManager(sm);
4011	>	}
4012		}
4013
4014	<	/**
4015	<	* thenComposeAsync result completes exceptionally after
4016	<	* exceptional completion of source
4017	<	*/
4018	<	public void testThenComposeAsync2E() {
4019	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4020	<	CompletableFutureInc r = new CompletableFutureInc();
2827	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2828	<	f.completeExceptionally(new CFException());
2829	<	checkCompletedWithWrappedCFException(g);
2830	<	}
4014	>	public void testExceptionPropagationReusesResultObject() {
4015	>	if (!testImplementationDetails) return;
4016	>	for (ExecutionMode m : ExecutionMode.values())
4017	>	{
4018	>	final CFException ex = new CFException();
4019	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4020	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4021
4022	<	/**
4023	<	* thenComposeAsync result completes exceptionally if action does
4024	<	*/
4025	<	public void testThenComposeAsync3E() {
4026	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4027	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
4028	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4029	<	f.complete(one);
4030	<	checkCompletedWithWrappedCFException(g);
4031	<	}
4022	>	final Runnable noopRunnable = new Noop(m);
4023	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4024	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4025	>
4026	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4027	>	= new ArrayList<>();
4028	>
4029	>	funs.add(y -> m.thenRun(y, noopRunnable));
4030	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4031	>	funs.add(y -> m.thenApply(y, incFunction));
4032	>
4033	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4034	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4035	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4036	>
4037	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4038	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4039	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4040	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4041	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4042	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4043	>
4044	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4045	>
4046	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4047	>
4048	>	funs.add(y -> CompletableFuture.allOf(y));
4049	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4050	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4051	>	funs.add(y -> CompletableFuture.anyOf(y));
4052	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4053	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4054
4055	<	/**
4056	<	* thenComposeAsync result completes exceptionally if source cancelled
4057	<	*/
4058	<	public void testThenComposeAsync4E() {
4059	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4060	<	CompletableFutureInc r = new CompletableFutureInc();
4061	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4062	<	assertTrue(f.cancel(true));
4063	<	checkCompletedWithWrappedCancellationException(g);
4064	<	}
4055	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4056	>	fun : funs) {
4057	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4058	>	f.completeExceptionally(ex);
4059	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4060	>	checkCompletedWithWrappedException(src, ex);
4061	>	CompletableFuture<?> dep = fun.apply(src);
4062	>	checkCompletedWithWrappedException(dep, ex);
4063	>	assertSame(resultOf(src), resultOf(dep));
4064	>	}
4065
4066	<	// other static methods
4066	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4067	>	fun : funs) {
4068	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4069	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4070	>	CompletableFuture<?> dep = fun.apply(src);
4071	>	f.completeExceptionally(ex);
4072	>	checkCompletedWithWrappedException(src, ex);
4073	>	checkCompletedWithWrappedException(dep, ex);
4074	>	assertSame(resultOf(src), resultOf(dep));
4075	>	}
4076
4077	<	/**
4078	<	* allOf(no component futures) returns a future completed normally
4079	<	* with the value null
4080	<	*/
4081	<	public void testAllOf_empty() throws Exception {
4082	<	CompletableFuture<Void> f = CompletableFuture.allOf();
4083	<	checkCompletedNormally(f, null);
4084	<	}
4077	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4078	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4079	>	fun : funs) {
4080	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4081	>	f.cancel(mayInterruptIfRunning);
4082	>	checkCancelled(f);
4083	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4084	>	checkCompletedWithWrappedCancellationException(src);
4085	>	CompletableFuture<?> dep = fun.apply(src);
4086	>	checkCompletedWithWrappedCancellationException(dep);
4087	>	assertSame(resultOf(src), resultOf(dep));
4088	>	}
4089
4090	<	/**
4091	<	* allOf returns a future completed normally with the value null
4092	<	* when all components complete normally
4093	<	*/
4094	<	public void testAllOf_normal() throws Exception {
4095	<	for (int k = 1; k < 20; ++k) {
4096	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
4097	<	for (int i = 0; i < k; ++i)
4098	<	fs[i] = new CompletableFuture<>();
4099	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
4100	<	for (int i = 0; i < k; ++i) {
4101	<	checkIncomplete(f);
4102	<	checkIncomplete(CompletableFuture.allOf(fs));
4103	<	fs[i].complete(one);
4090	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4091	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4092	>	fun : funs) {
4093	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4094	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4095	>	CompletableFuture<?> dep = fun.apply(src);
4096	>	f.cancel(mayInterruptIfRunning);
4097	>	checkCancelled(f);
4098	>	checkCompletedWithWrappedCancellationException(src);
4099	>	checkCompletedWithWrappedCancellationException(dep);
4100	>	assertSame(resultOf(src), resultOf(dep));
4101	>	}
4102	>	}}
4103	>
4104	>	/**
4105	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4106	>	*/
4107	>	public void testMinimalCompletionStage_minimality() {
4108	>	if (!testImplementationDetails) return;
4109	>	Function<Method, String> toSignature =
4110	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4111	>	Predicate<Method> isNotStatic =
4112	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4113	>	List<Method> minimalMethods =
4114	>	Stream.of(Object.class, CompletionStage.class)
4115	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4116	>	.filter(isNotStatic)
4117	>	.collect(Collectors.toList());
4118	>	// Methods from CompletableFuture permitted NOT to throw UOE
4119	>	String[] signatureWhitelist = {
4120	>	"newIncompleteFuture[]",
4121	>	"defaultExecutor[]",
4122	>	"minimalCompletionStage[]",
4123	>	"copy[]",
4124	>	};
4125	>	Set<String> permittedMethodSignatures =
4126	>	Stream.concat(minimalMethods.stream().map(toSignature),
4127	>	Stream.of(signatureWhitelist))
4128	>	.collect(Collectors.toSet());
4129	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4130	>	.filter(isNotStatic)
4131	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4132	>	.collect(Collectors.toList());
4133	>
4134	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4135	>	CompletionStage<Integer> min =
4136	>	new CompletableFuture<Integer>().minimalCompletionStage();
4137	>	stages.add(min);
4138	>	stages.add(min.thenApply(x -> x));
4139	>	stages.add(CompletableFuture.completedStage(1));
4140	>	stages.add(CompletableFuture.failedStage(new CFException()));
4141	>
4142	>	List<Method> bugs = new ArrayList<>();
4143	>	for (Method method : allMethods) {
4144	>	Class<?>[] parameterTypes = method.getParameterTypes();
4145	>	Object[] args = new Object[parameterTypes.length];
4146	>	// Manufacture boxed primitives for primitive params
4147	>	for (int i = 0; i < args.length; i++) {
4148	>	Class<?> type = parameterTypes[i];
4149	>	if (parameterTypes[i] == boolean.class)
4150	>	args[i] = false;
4151	>	else if (parameterTypes[i] == int.class)
4152	>	args[i] = 0;
4153	>	else if (parameterTypes[i] == long.class)
4154	>	args[i] = 0L;
4155	>	}
4156	>	for (CompletionStage<Integer> stage : stages) {
4157	>	try {
4158	>	method.invoke(stage, args);
4159	>	bugs.add(method);
4160	>	}
4161	>	catch (java.lang.reflect.InvocationTargetException expected) {
4162	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4163	>	bugs.add(method);
4164	>	// expected.getCause().printStackTrace();
4165	>	}
4166	>	}
4167	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4168		}
2880	–	checkCompletedNormally(f, null);
2881	–	checkCompletedNormally(CompletableFuture.allOf(fs), null);
4169		}
4170	+	if (!bugs.isEmpty())
4171	+	throw new Error("Methods did not throw UOE: " + bugs);
4172		}
4173
4174		/**
4175	<	* anyOf(no component futures) returns an incomplete future
4176	<	*/
2888	<	public void testAnyOf_empty() throws Exception {
2889	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
2890	<	checkIncomplete(f);
2891	<	}
2892	<
2893	<	/**
2894	<	* anyOf returns a future completed normally with a value when
2895	<	* a component future does
4175	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4176	>	* is completed normally, with the same value, when source is.
4177		*/
4178	<	public void testAnyOf_normal() throws Exception {
4179	<	for (int k = 0; k < 10; ++k) {
4180	<	CompletableFuture[] fs = new CompletableFuture[k];
4181	<	for (int i = 0; i < k; ++i)
4182	<	fs[i] = new CompletableFuture<>();
4183	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4178	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4179	>	for (boolean createIncomplete : new boolean[] { true, false })
4180	>	for (Integer v1 : new Integer[] { 1, null })
4181	>	{
4182	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4183	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4184	>	if (!createIncomplete) assertTrue(f.complete(v1));
4185	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4186	>	if (createIncomplete) {
4187		checkIncomplete(f);
4188	<	for (int i = 0; i < k; ++i) {
4189	<	fs[i].complete(one);
2906	<	checkCompletedNormally(f, one);
2907	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
2908	<	}
4188	>	checkIncomplete(g);
4189	>	assertTrue(f.complete(v1));
4190		}
4191	<	}
4191	>	checkCompletedNormally(f, v1);
4192	>	checkCompletedNormally(g, v1);
4193	>	}}
4194
4195		/**
4196	<	* anyOf result completes exceptionally when any component does.
4196	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4197	>	* is completed exceptionally when source is.
4198		*/
4199	<	public void testAnyOf_exceptional() throws Exception {
4200	<	for (int k = 0; k < 10; ++k) {
4201	<	CompletableFuture[] fs = new CompletableFuture[k];
4202	<	for (int i = 0; i < k; ++i)
4203	<	fs[i] = new CompletableFuture<>();
4204	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4199	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4200	>	for (boolean createIncomplete : new boolean[] { true, false })
4201	>	{
4202	>	CFException ex = new CFException();
4203	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4204	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4205	>	if (!createIncomplete) f.completeExceptionally(ex);
4206	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4207	>	if (createIncomplete) {
4208		checkIncomplete(f);
4209	<	for (int i = 0; i < k; ++i) {
4210	<	fs[i].completeExceptionally(new CFException());
2924	<	checkCompletedWithWrappedCFException(f);
2925	<	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
2926	<	}
4209	>	checkIncomplete(g);
4210	>	f.completeExceptionally(ex);
4211		}
4212	<	}
4212	>	checkCompletedExceptionally(f, ex);
4213	>	checkCompletedWithWrappedException(g, ex);
4214	>	}}
4215
4216		/**
4217	<	* Completion methods throw NullPointerException with null arguments
4217	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4218		*/
4219	<	public void testNPE() {
4219	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4220	>	for (Integer v1 : new Integer[] { 1, null })
4221	>	{
4222		CompletableFuture<Integer> f = new CompletableFuture<>();
4223	<	CompletableFuture<Integer> g = new CompletableFuture<>();
4224	<	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
4225	<	CompletableFuture<?> h;
4226	<	ThreadExecutor exec = new ThreadExecutor();
4227	<
4228	<	Runnable[] throwingActions = {
4229	<	() -> CompletableFuture.supplyAsync(null),
2942	<	() -> CompletableFuture.supplyAsync(null, exec),
2943	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
2944	<
2945	<	() -> CompletableFuture.runAsync(null),
2946	<	() -> CompletableFuture.runAsync(null, exec),
2947	<	() -> CompletableFuture.runAsync(() -> {}, null),
2948	<
2949	<	() -> f.completeExceptionally(null),
2950	<
2951	<	() -> f.thenApply(null),
2952	<	() -> f.thenApplyAsync(null),
2953	<	() -> f.thenApplyAsync((x) -> x, null),
2954	<	() -> f.thenApplyAsync(null, exec),
2955	<
2956	<	() -> f.thenAccept(null),
2957	<	() -> f.thenAcceptAsync(null),
2958	<	() -> f.thenAcceptAsync((x) -> {} , null),
2959	<	() -> f.thenAcceptAsync(null, exec),
2960	<
2961	<	() -> f.thenRun(null),
2962	<	() -> f.thenRunAsync(null),
2963	<	() -> f.thenRunAsync(() -> {} , null),
2964	<	() -> f.thenRunAsync(null, exec),
2965	<
2966	<	() -> f.thenCombine(g, null),
2967	<	() -> f.thenCombineAsync(g, null),
2968	<	() -> f.thenCombineAsync(g, null, exec),
2969	<	() -> f.thenCombine(nullFuture, (x, y) -> x),
2970	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
2971	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
2972	<	() -> f.thenCombineAsync(g, (x, y) -> x, null),
2973	<
2974	<	() -> f.thenAcceptBoth(g, null),
2975	<	() -> f.thenAcceptBothAsync(g, null),
2976	<	() -> f.thenAcceptBothAsync(g, null, exec),
2977	<	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
2978	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
2979	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
2980	<	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
2981	<
2982	<	() -> f.runAfterBoth(g, null),
2983	<	() -> f.runAfterBothAsync(g, null),
2984	<	() -> f.runAfterBothAsync(g, null, exec),
2985	<	() -> f.runAfterBoth(nullFuture, () -> {}),
2986	<	() -> f.runAfterBothAsync(nullFuture, () -> {}),
2987	<	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
2988	<	() -> f.runAfterBothAsync(g, () -> {}, null),
2989	<
2990	<	() -> f.applyToEither(g, null),
2991	<	() -> f.applyToEitherAsync(g, null),
2992	<	() -> f.applyToEitherAsync(g, null, exec),
2993	<	() -> f.applyToEither(nullFuture, (x) -> x),
2994	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
2995	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
2996	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
2997	<
2998	<	() -> f.acceptEither(g, null),
2999	<	() -> f.acceptEitherAsync(g, null),
3000	<	() -> f.acceptEitherAsync(g, null, exec),
3001	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3002	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3003	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3004	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3005	<
3006	<	() -> f.runAfterEither(g, null),
3007	<	() -> f.runAfterEitherAsync(g, null),
3008	<	() -> f.runAfterEitherAsync(g, null, exec),
3009	<	() -> f.runAfterEither(nullFuture, () -> {}),
3010	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3011	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3012	<	() -> f.runAfterEitherAsync(g, () -> {}, null),
3013	<
3014	<	() -> f.thenCompose(null),
3015	<	() -> f.thenComposeAsync(null),
3016	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3017	<	() -> f.thenComposeAsync(null, exec),
3018	<
3019	<	() -> f.exceptionally(null),
3020	<
3021	<	() -> f.handle(null),
3022	<
3023	<	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3024	<	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3025	<	() -> CompletableFuture.allOf(f, null),
3026	<	() -> CompletableFuture.allOf(null, f),
3027	<
3028	<	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3029	<	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3030	<	() -> CompletableFuture.anyOf(f, null),
3031	<	() -> CompletableFuture.anyOf(null, f),
3032	<
3033	<	() -> f.obtrudeException(null),
3034	<	};
3035	<
3036	<	assertThrows(NullPointerException.class, throwingActions);
3037	<	assertEquals(0, exec.count.get());
3038	<	}
4223	>	CompletionStage minimal = f.minimalCompletionStage();
4224	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4225	>	assertTrue(g.complete(v1));
4226	>	checkCompletedNormally(g, v1);
4227	>	checkIncomplete(f);
4228	>	checkIncomplete(minimal.toCompletableFuture());
4229	>	}}
4230
4231		/**
4232	<	* toCompletableFuture returns this CompletableFuture.
4232	>	* minimalStage.toCompletableFuture().join() awaits completion
4233		*/
4234	<	public void testToCompletableFuture() {
4234	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4235	>	for (boolean createIncomplete : new boolean[] { true, false })
4236	>	for (Integer v1 : new Integer[] { 1, null })
4237	>	{
4238		CompletableFuture<Integer> f = new CompletableFuture<>();
4239	<	assertSame(f, f.toCompletableFuture());
4239	>	if (!createIncomplete) assertTrue(f.complete(v1));
4240	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4241	>	if (createIncomplete) assertTrue(f.complete(v1));
4242	>	assertEquals(v1, minimal.toCompletableFuture().join());
4243	>	assertEquals(v1, minimal.toCompletableFuture().get());
4244	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4245	>	}}
4246	>
4247	>	/**
4248	>	* Completion of a toCompletableFuture copy of a minimal stage
4249	>	* does not complete its source.
4250	>	*/
4251	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4252	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4253	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4254	>	assertTrue(g.toCompletableFuture().complete(1));
4255	>	assertTrue(g.toCompletableFuture().complete(null));
4256	>	assertTrue(g.toCompletableFuture().cancel(true));
4257	>	assertTrue(g.toCompletableFuture().cancel(false));
4258	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4259	>	checkIncomplete(g.toCompletableFuture());
4260	>	f.complete(1);
4261	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4262		}
4263
4264	<	/**
4265	<	* whenComplete action executes on normal completion, propagating
4266	<	* source result.
4267	<	*/
4268	<	public void testWhenComplete1() {
4269	<	final AtomicInteger a = new AtomicInteger();
4270	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4271	<	CompletableFuture<Integer> g =
4272	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3057	<	f.complete(three);
3058	<	checkCompletedNormally(f, three);
3059	<	checkCompletedNormally(g, three);
3060	<	assertEquals(a.get(), 1);
4264	>	/** Demo utility method for external reliable toCompletableFuture */
4265	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4266	>	CompletableFuture<T> f = new CompletableFuture<>();
4267	>	stage.handle((T t, Throwable ex) -> {
4268	>	if (ex != null) f.completeExceptionally(ex);
4269	>	else f.complete(t);
4270	>	return null;
4271	>	});
4272	>	return f;
4273		}
4274
4275	<	/**
4276	<	* whenComplete action executes on exceptional completion, propagating
4277	<	* source result.
3066	<	*/
3067	<	public void testWhenComplete2() {
3068	<	final AtomicInteger a = new AtomicInteger();
3069	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3070	<	CompletableFuture<Integer> g =
3071	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3072	<	f.completeExceptionally(new CFException());
3073	<	assertTrue(f.isCompletedExceptionally());
3074	<	assertTrue(g.isCompletedExceptionally());
3075	<	assertEquals(a.get(), 1);
4275	>	/** Demo utility method to join a CompletionStage */
4276	>	static <T> T join(CompletionStage<T> stage) {
4277	>	return toCompletableFuture(stage).join();
4278		}
4279
4280		/**
4281	<	* If a whenComplete action throws an exception when triggered by
3080	<	* a normal completion, it completes exceptionally
4281	>	* Joining a minimal stage "by hand" works
4282		*/
4283	<	public void testWhenComplete3() {
4283	>	public void testMinimalCompletionStage_join_by_hand() {
4284	>	for (boolean createIncomplete : new boolean[] { true, false })
4285	>	for (Integer v1 : new Integer[] { 1, null })
4286	>	{
4287		CompletableFuture<Integer> f = new CompletableFuture<>();
4288	<	CompletableFuture<Integer> g =
4289	<	f.whenComplete((Integer x, Throwable t) ->
4290	<	{ throw new CFException(); } );
4291	<	f.complete(three);
4292	<	checkCompletedNormally(f, three);
4293	<	assertTrue(g.isCompletedExceptionally());
4294	<	checkCompletedWithWrappedCFException(g);
4288	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4289	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4290	>	if (!createIncomplete) assertTrue(f.complete(v1));
4291	>	minimal.thenAccept(x -> g.complete(x));
4292	>	if (createIncomplete) assertTrue(f.complete(v1));
4293	>	g.join();
4294	>	checkCompletedNormally(g, v1);
4295	>	checkCompletedNormally(f, v1);
4296	>	assertEquals(v1, join(minimal));
4297	>	}}
4298	>
4299	>	static class Monad {
4300	>	static class ZeroException extends RuntimeException {
4301	>	public ZeroException() { super("monadic zero"); }
4302	>	}
4303	>	// "return", "unit"
4304	>	static <T> CompletableFuture<T> unit(T value) {
4305	>	return completedFuture(value);
4306	>	}
4307	>	// monadic zero ?
4308	>	static <T> CompletableFuture<T> zero() {
4309	>	return failedFuture(new ZeroException());
4310	>	}
4311	>	// >=>
4312	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4313	>	(Function<T, CompletableFuture<U>> f,
4314	>	Function<U, CompletableFuture<V>> g) {
4315	>	return x -> f.apply(x).thenCompose(g);
4316	>	}
4317	>
4318	>	static void assertZero(CompletableFuture<?> f) {
4319	>	try {
4320	>	f.getNow(null);
4321	>	throw new AssertionError("should throw");
4322	>	} catch (CompletionException success) {
4323	>	assertTrue(success.getCause() instanceof ZeroException);
4324	>	}
4325	>	}
4326	>
4327	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4328	>	CompletableFuture<T> g) {
4329	>	T fval = null, gval = null;
4330	>	Throwable fex = null, gex = null;
4331	>
4332	>	try { fval = f.get(); }
4333	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4334	>	catch (Throwable ex) { fex = ex; }
4335	>
4336	>	try { gval = g.get(); }
4337	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4338	>	catch (Throwable ex) { gex = ex; }
4339	>
4340	>	if (fex != null || gex != null)
4341	>	assertSame(fex.getClass(), gex.getClass());
4342	>	else
4343	>	assertEquals(fval, gval);
4344	>	}
4345	>
4346	>	static class PlusFuture<T> extends CompletableFuture<T> {
4347	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4348	>	}
4349	>
4350	>	/** Implements "monadic plus". */
4351	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4352	>	CompletableFuture<? extends T> g) {
4353	>	PlusFuture<T> plus = new PlusFuture<T>();
4354	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4355	>	try {
4356	>	if (ex == null) {
4357	>	if (plus.complete(result))
4358	>	if (plus.firstFailure.get() != null)
4359	>	plus.firstFailure.set(null);
4360	>	}
4361	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4362	>	if (plus.isDone())
4363	>	plus.firstFailure.set(null);
4364	>	}
4365	>	else {
4366	>	// first failure has precedence
4367	>	Throwable first = plus.firstFailure.getAndSet(null);
4368	>
4369	>	// may fail with "Self-suppression not permitted"
4370	>	try { first.addSuppressed(ex); }
4371	>	catch (Exception ignored) {}
4372	>
4373	>	plus.completeExceptionally(first);
4374	>	}
4375	>	} catch (Throwable unexpected) {
4376	>	plus.completeExceptionally(unexpected);
4377	>	}
4378	>	};
4379	>	f.whenComplete(action);
4380	>	g.whenComplete(action);
4381	>	return plus;
4382	>	}
4383	>	}
4384	>
4385	>	/**
4386	>	* CompletableFuture is an additive monad - sort of.
4387	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4388	>	*/
4389	>	public void testAdditiveMonad() throws Throwable {
4390	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4391	>	CompletableFuture<Long> zero = Monad.zero();
4392	>
4393	>	// Some mutually non-commutative functions
4394	>	Function<Long, CompletableFuture<Long>> triple
4395	>	= x -> Monad.unit(3 * x);
4396	>	Function<Long, CompletableFuture<Long>> inc
4397	>	= x -> Monad.unit(x + 1);
4398	>
4399	>	// unit is a right identity: m >>= unit === m
4400	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4401	>	inc.apply(5L));
4402	>	// unit is a left identity: (unit x) >>= f === f x
4403	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4404	>	inc.apply(5L));
4405	>
4406	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4407	>	Monad.assertFutureEquals(
4408	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4409	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4410	>
4411	>	// The case for CompletableFuture as an additive monad is weaker...
4412	>
4413	>	// zero is a monadic zero
4414	>	Monad.assertZero(zero);
4415	>
4416	>	// left zero: zero >>= f === zero
4417	>	Monad.assertZero(zero.thenCompose(inc));
4418	>	// right zero: f >>= (\x -> zero) === zero
4419	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4420	>
4421	>	// f plus zero === f
4422	>	Monad.assertFutureEquals(Monad.unit(5L),
4423	>	Monad.plus(Monad.unit(5L), zero));
4424	>	// zero plus f === f
4425	>	Monad.assertFutureEquals(Monad.unit(5L),
4426	>	Monad.plus(zero, Monad.unit(5L)));
4427	>	// zero plus zero === zero
4428	>	Monad.assertZero(Monad.plus(zero, zero));
4429	>	{
4430	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4431	>	Monad.unit(8L));
4432	>	// non-determinism
4433	>	assertTrue(f.get() == 5L || f.get() == 8L);
4434	>	}
4435	>
4436	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4437	>	// f plus godot === f (doesn't wait for godot)
4438	>	Monad.assertFutureEquals(Monad.unit(5L),
4439	>	Monad.plus(Monad.unit(5L), godot));
4440	>	// godot plus f === f (doesn't wait for godot)
4441	>	Monad.assertFutureEquals(Monad.unit(5L),
4442	>	Monad.plus(godot, Monad.unit(5L)));
4443	>	}
4444	>
4445	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4446	>	@SuppressWarnings("FutureReturnValueIgnored")
4447	>	public void testRecursiveChains() throws Throwable {
4448	>	for (ExecutionMode m : ExecutionMode.values())
4449	>	for (boolean addDeadEnds : new boolean[] { true, false })
4450	>	{
4451	>	final int val = 42;
4452	>	final int n = expensiveTests ? 1_000 : 2;
4453	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4454	>	CompletableFuture<Integer> tail = head;
4455	>	for (int i = 0; i < n; i++) {
4456	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4457	>	tail = m.thenApply(tail, v -> v + 1);
4458	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4459	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4460	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4461	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4462	>	}
4463	>	head.complete(val);
4464	>	assertEquals(val + 3 * n, (int) tail.join());
4465	>	}}
4466	>
4467	>	/**
4468	>	* A single CompletableFuture with many dependents.
4469	>	* A demo of scalability - runtime is O(n).
4470	>	*/
4471	>	@SuppressWarnings("FutureReturnValueIgnored")
4472	>	public void testManyDependents() throws Throwable {
4473	>	final int n = expensiveTests ? 1_000_000 : 10;
4474	>	final CompletableFuture<Void> head = new CompletableFuture<>();
4475	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4476	>	final AtomicInteger count = new AtomicInteger(0);
4477	>	for (int i = 0; i < n; i++) {
4478	>	head.thenRun(() -> count.getAndIncrement());
4479	>	head.thenAccept(x -> count.getAndIncrement());
4480	>	head.thenApply(x -> count.getAndIncrement());
4481	>
4482	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
4483	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4484	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4485	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
4486	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4487	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4488	>
4489	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4490	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4491	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4492	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4493	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4494	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4495	>	}
4496	>	head.complete(null);
4497	>	assertEquals(5 * 3 * n, count.get());
4498	>	}
4499	>
4500	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4501	>	@SuppressWarnings("FutureReturnValueIgnored")
4502	>	public void testCoCompletionGarbageRetention() throws Throwable {
4503	>	final int n = expensiveTests ? 1_000_000 : 10;
4504	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4505	>	CompletableFuture<Integer> f;
4506	>	for (int i = 0; i < n; i++) {
4507	>	f = new CompletableFuture<>();
4508	>	f.runAfterEither(incomplete, () -> {});
4509	>	f.complete(null);
4510	>
4511	>	f = new CompletableFuture<>();
4512	>	f.acceptEither(incomplete, x -> {});
4513	>	f.complete(null);
4514	>
4515	>	f = new CompletableFuture<>();
4516	>	f.applyToEither(incomplete, x -> x);
4517	>	f.complete(null);
4518	>
4519	>	f = new CompletableFuture<>();
4520	>	CompletableFuture.anyOf(f, incomplete);
4521	>	f.complete(null);
4522	>	}
4523	>
4524	>	for (int i = 0; i < n; i++) {
4525	>	f = new CompletableFuture<>();
4526	>	incomplete.runAfterEither(f, () -> {});
4527	>	f.complete(null);
4528	>
4529	>	f = new CompletableFuture<>();
4530	>	incomplete.acceptEither(f, x -> {});
4531	>	f.complete(null);
4532	>
4533	>	f = new CompletableFuture<>();
4534	>	incomplete.applyToEither(f, x -> x);
4535	>	f.complete(null);
4536	>
4537	>	f = new CompletableFuture<>();
4538	>	CompletableFuture.anyOf(incomplete, f);
4539	>	f.complete(null);
4540	>	}
4541	>	}
4542	>
4543	>	/**
4544	>	* Reproduction recipe for:
4545	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4546	>	* 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
4547	>	*/
4548	>	public void testAnyOfGarbageRetention() throws Throwable {
4549	>	for (Integer v : new Integer[] { 1, null })
4550	>	{
4551	>	final int n = expensiveTests ? 100_000 : 10;
4552	>	CompletableFuture<Integer>[] fs
4553	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4554	>	for (int i = 0; i < fs.length; i++)
4555	>	fs[i] = new CompletableFuture<>();
4556	>	fs[fs.length - 1].complete(v);
4557	>	for (int i = 0; i < n; i++)
4558	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4559	>	}}
4560	>
4561	>	/**
4562	>	* Checks for garbage retention with allOf.
4563	>	*
4564	>	* As of 2016-07, fails with OOME:
4565	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4566	>	*/
4567	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4568	>	final int n = expensiveTests ? 100_000 : 10;
4569	>	CompletableFuture<Integer>[] fs
4570	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4571	>	for (int i = 0; i < fs.length; i++)
4572	>	fs[i] = new CompletableFuture<>();
4573	>	for (int i = 0; i < n; i++)
4574	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4575	>	}
4576	>
4577	>	/**
4578	>	* Checks for garbage retention when a dependent future is
4579	>	* cancelled and garbage-collected.
4580	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4581	>	*
4582	>	* As of 2016-07, fails with OOME:
4583	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4584	>	*/
4585	>	public void testCancelledGarbageRetention() throws Throwable {
4586	>	final int n = expensiveTests ? 100_000 : 10;
4587	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4588	>	for (int i = 0; i < n; i++)
4589	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4590	>	}
4591	>
4592	>	/**
4593	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4594	>	* is invoked many times.
4595	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4596	>	*
4597	>	* As of 2016-07, fails with OOME:
4598	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4599	>	*/
4600	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4601	>	final int n = expensiveTests ? 900_000 : 10;
4602	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4603	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4604	>	for (int i = 0; i < n; i++)
4605	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4606	>	}
4607	>
4608	>	//     static <U> U join(CompletionStage<U> stage) {
4609	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4610	>	//         stage.whenComplete((v, ex) -> {
4611	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4612	>	//         });
4613	>	//         return f.join();
4614	>	//     }
4615	>
4616	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4617	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4618	>	//         stage.whenComplete((v, ex) -> {
4619	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4620	>	//         });
4621	>	//         return f.isDone();
4622	>	//     }
4623	>
4624	>	//     static <U> U join2(CompletionStage<U> stage) {
4625	>	//         return stage.toCompletableFuture().copy().join();
4626	>	//     }
4627	>
4628	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4629	>	//         return stage.toCompletableFuture().copy().isDone();
4630	>	//     }
4631	>
4632	>	// For testing default implementations
4633	>	// Only non-default interface methods defined.
4634	>	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4635	>	final CompletableFuture<T> cf;
4636	>	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4637	>	public CompletableFuture<T> toCompletableFuture() {
4638	>	return cf; }
4639	>	public CompletionStage<Void> thenRun
4640	>	(Runnable action) {
4641	>	return cf.thenRun(action); }
4642	>	public CompletionStage<Void> thenRunAsync
4643	>	(Runnable action) {
4644	>	return cf.thenRunAsync(action); }
4645	>	public CompletionStage<Void> thenRunAsync
4646	>	(Runnable action,
4647	>	Executor executor) {
4648	>	return cf.thenRunAsync(action, executor); }
4649	>	public CompletionStage<Void> thenAccept
4650	>	(Consumer<? super T> action) {
4651	>	return cf.thenAccept(action); }
4652	>	public CompletionStage<Void> thenAcceptAsync
4653	>	(Consumer<? super T> action) {
4654	>	return cf.thenAcceptAsync(action); }
4655	>	public CompletionStage<Void> thenAcceptAsync
4656	>	(Consumer<? super T> action,
4657	>	Executor executor) {
4658	>	return cf.thenAcceptAsync(action, executor); }
4659	>	public <U> CompletionStage<U> thenApply
4660	>	(Function<? super T,? extends U> a) {
4661	>	return cf.thenApply(a); }
4662	>	public <U> CompletionStage<U> thenApplyAsync
4663	>	(Function<? super T,? extends U> fn) {
4664	>	return cf.thenApplyAsync(fn); }
4665	>	public <U> CompletionStage<U> thenApplyAsync
4666	>	(Function<? super T,? extends U> fn,
4667	>	Executor executor) {
4668	>	return cf.thenApplyAsync(fn, executor); }
4669	>	public <U,V> CompletionStage<V> thenCombine
4670	>	(CompletionStage<? extends U> other,
4671	>	BiFunction<? super T,? super U,? extends V> fn) {
4672	>	return cf.thenCombine(other, fn); }
4673	>	public <U,V> CompletionStage<V> thenCombineAsync
4674	>	(CompletionStage<? extends U> other,
4675	>	BiFunction<? super T,? super U,? extends V> fn) {
4676	>	return cf.thenCombineAsync(other, fn); }
4677	>	public <U,V> CompletionStage<V> thenCombineAsync
4678	>	(CompletionStage<? extends U> other,
4679	>	BiFunction<? super T,? super U,? extends V> fn,
4680	>	Executor executor) {
4681	>	return cf.thenCombineAsync(other, fn, executor); }
4682	>	public <U> CompletionStage<Void> thenAcceptBoth
4683	>	(CompletionStage<? extends U> other,
4684	>	BiConsumer<? super T, ? super U> action) {
4685	>	return cf.thenAcceptBoth(other, action); }
4686	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4687	>	(CompletionStage<? extends U> other,
4688	>	BiConsumer<? super T, ? super U> action) {
4689	>	return cf.thenAcceptBothAsync(other, action); }
4690	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4691	>	(CompletionStage<? extends U> other,
4692	>	BiConsumer<? super T, ? super U> action,
4693	>	Executor executor) {
4694	>	return cf.thenAcceptBothAsync(other, action, executor); }
4695	>	public CompletionStage<Void> runAfterBoth
4696	>	(CompletionStage<?> other,
4697	>	Runnable action) {
4698	>	return cf.runAfterBoth(other, action); }
4699	>	public CompletionStage<Void> runAfterBothAsync
4700	>	(CompletionStage<?> other,
4701	>	Runnable action) {
4702	>	return cf.runAfterBothAsync(other, action); }
4703	>	public CompletionStage<Void> runAfterBothAsync
4704	>	(CompletionStage<?> other,
4705	>	Runnable action,
4706	>	Executor executor) {
4707	>	return cf.runAfterBothAsync(other, action, executor); }
4708	>	public <U> CompletionStage<U> applyToEither
4709	>	(CompletionStage<? extends T> other,
4710	>	Function<? super T, U> fn) {
4711	>	return cf.applyToEither(other, fn); }
4712	>	public <U> CompletionStage<U> applyToEitherAsync
4713	>	(CompletionStage<? extends T> other,
4714	>	Function<? super T, U> fn) {
4715	>	return cf.applyToEitherAsync(other, fn); }
4716	>	public <U> CompletionStage<U> applyToEitherAsync
4717	>	(CompletionStage<? extends T> other,
4718	>	Function<? super T, U> fn,
4719	>	Executor executor) {
4720	>	return cf.applyToEitherAsync(other, fn, executor); }
4721	>	public CompletionStage<Void> acceptEither
4722	>	(CompletionStage<? extends T> other,
4723	>	Consumer<? super T> action) {
4724	>	return cf.acceptEither(other, action); }
4725	>	public CompletionStage<Void> acceptEitherAsync
4726	>	(CompletionStage<? extends T> other,
4727	>	Consumer<? super T> action) {
4728	>	return cf.acceptEitherAsync(other, action); }
4729	>	public CompletionStage<Void> acceptEitherAsync
4730	>	(CompletionStage<? extends T> other,
4731	>	Consumer<? super T> action,
4732	>	Executor executor) {
4733	>	return cf.acceptEitherAsync(other, action, executor); }
4734	>	public CompletionStage<Void> runAfterEither
4735	>	(CompletionStage<?> other,
4736	>	Runnable action) {
4737	>	return cf.runAfterEither(other, action); }
4738	>	public CompletionStage<Void> runAfterEitherAsync
4739	>	(CompletionStage<?> other,
4740	>	Runnable action) {
4741	>	return cf.runAfterEitherAsync(other, action); }
4742	>	public CompletionStage<Void> runAfterEitherAsync
4743	>	(CompletionStage<?> other,
4744	>	Runnable action,
4745	>	Executor executor) {
4746	>	return cf.runAfterEitherAsync(other, action, executor); }
4747	>	public <U> CompletionStage<U> thenCompose
4748	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4749	>	return cf.thenCompose(fn); }
4750	>	public <U> CompletionStage<U> thenComposeAsync
4751	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4752	>	return cf.thenComposeAsync(fn); }
4753	>	public <U> CompletionStage<U> thenComposeAsync
4754	>	(Function<? super T, ? extends CompletionStage<U>> fn,
4755	>	Executor executor) {
4756	>	return cf.thenComposeAsync(fn, executor); }
4757	>	public <U> CompletionStage<U> handle
4758	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4759	>	return cf.handle(fn); }
4760	>	public <U> CompletionStage<U> handleAsync
4761	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4762	>	return cf.handleAsync(fn); }
4763	>	public <U> CompletionStage<U> handleAsync
4764	>	(BiFunction<? super T, Throwable, ? extends U> fn,
4765	>	Executor executor) {
4766	>	return cf.handleAsync(fn, executor); }
4767	>	public CompletionStage<T> whenComplete
4768	>	(BiConsumer<? super T, ? super Throwable> action) {
4769	>	return cf.whenComplete(action); }
4770	>	public CompletionStage<T> whenCompleteAsync
4771	>	(BiConsumer<? super T, ? super Throwable> action) {
4772	>	return cf.whenCompleteAsync(action); }
4773	>	public CompletionStage<T> whenCompleteAsync
4774	>	(BiConsumer<? super T, ? super Throwable> action,
4775	>	Executor executor) {
4776	>	return cf.whenCompleteAsync(action, executor); }
4777	>	public CompletionStage<T> exceptionally
4778	>	(Function<Throwable, ? extends T> fn) {
4779	>	return cf.exceptionally(fn); }
4780		}
4781
4782		/**
4783	<	* whenCompleteAsync action executes on normal completion, propagating
4784	<	* source result.
4783	>	* default-implemented exceptionallyAsync action completes with
4784	>	* function value on source exception
4785		*/
4786	<	public void testWhenCompleteAsync1() {
4787	<	final AtomicInteger a = new AtomicInteger();
4788	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4789	<	CompletableFuture<Integer> g =
4790	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
4791	<	f.complete(three);
4792	<	checkCompletedNormally(f, three);
4793	<	checkCompletedNormally(g, three);
4794	<	assertEquals(a.get(), 1);
4795	<	}
4786	>	public void testDefaulExceptionallyAsync_exceptionalCompletion() {
4787	>	for (boolean createIncomplete : new boolean[] { true, false })
4788	>	for (Integer v1 : new Integer[] { 1, null })
4789	>	{
4790	>	final AtomicInteger a = new AtomicInteger(0);
4791	>	final CFException ex = new CFException();
4792	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4793	>	final DelegatedCompletionStage<Integer> d =
4794	>	new DelegatedCompletionStage<Integer>(f);
4795	>	if (!createIncomplete) f.completeExceptionally(ex);
4796	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4797	>	((Throwable t) -> {
4798	>	threadAssertSame(t, ex);
4799	>	a.getAndIncrement();
4800	>	return v1;
4801	>	});
4802	>	if (createIncomplete) f.completeExceptionally(ex);
4803	>
4804	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4805	>	assertEquals(1, a.get());
4806	>	}}
4807	>
4808	>	/**
4809	>	* Under default implementation, if an "exceptionally action"
4810	>	* throws an exception, it completes exceptionally with that
4811	>	* exception
4812	>	*/
4813	>	public void testDefaulExceptionallyAsync_exceptionalCompletionActionFailed() {
4814	>	for (boolean createIncomplete : new boolean[] { true, false })
4815	>	{
4816	>	final AtomicInteger a = new AtomicInteger(0);
4817	>	final CFException ex1 = new CFException();
4818	>	final CFException ex2 = new CFException();
4819	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4820	>	final DelegatedCompletionStage<Integer> d =
4821	>	new DelegatedCompletionStage<Integer>(f);
4822	>	if (!createIncomplete) f.completeExceptionally(ex1);
4823	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4824	>	((Throwable t) -> {
4825	>	threadAssertSame(t, ex1);
4826	>	a.getAndIncrement();
4827	>	throw ex2;
4828	>	});
4829	>	if (createIncomplete) f.completeExceptionally(ex1);
4830	>
4831	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4832	>	checkCompletedExceptionally(f, ex1);
4833	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4834	>	assertEquals(1, a.get());
4835	>	}}
4836
4837		/**
4838	<	* whenCompleteAsync action executes on exceptional completion, propagating
4839	<	* source result.
4838	>	* default exceptionallyCompose result completes normally after normal
4839	>	* completion of source
4840		*/
4841	<	public void testWhenCompleteAsync2() {
4842	<	final AtomicInteger a = new AtomicInteger();
4843	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4844	<	CompletableFuture<Integer> g =
4845	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
4846	<	f.completeExceptionally(new CFException());
4847	<	checkCompletedWithWrappedCFException(f);
4848	<	checkCompletedWithWrappedCFException(g);
4849	<	}
4841	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4842	>	for (boolean createIncomplete : new boolean[] { true, false })
4843	>	for (Integer v1 : new Integer[] { 1, null })
4844	>	{
4845	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4846	>	final ExceptionalCompletableFutureFunction r =
4847	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4848	>	final DelegatedCompletionStage<Integer> d =
4849	>	new DelegatedCompletionStage<Integer>(f);
4850	>	if (!createIncomplete) assertTrue(f.complete(v1));
4851	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4852	>	if (createIncomplete) assertTrue(f.complete(v1));
4853	>
4854	>	checkCompletedNormally(f, v1);
4855	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4856	>	r.assertNotInvoked();
4857	>	}}
4858
4859		/**
4860	<	* If a whenCompleteAsync action throws an exception when
4861	<	* triggered by a normal completion, it completes exceptionally
4860	>	* default-implemented exceptionallyCompose result completes
4861	>	* normally after exceptional completion of source
4862		*/
4863	<	public void testWhenCompleteAsync3() {
4864	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4865	<	CompletableFuture<Integer> g =
4866	<	f.whenCompleteAsync((Integer x, Throwable t) ->
4867	<	{ throw new CFException(); } );
4868	<	f.complete(three);
4869	<	checkCompletedNormally(f, three);
4870	<	checkCompletedWithWrappedCFException(g);
4871	<	}
4863	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4864	>	for (boolean createIncomplete : new boolean[] { true, false })
4865	>	{
4866	>	final CFException ex = new CFException();
4867	>	final ExceptionalCompletableFutureFunction r =
4868	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4869	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4870	>	final DelegatedCompletionStage<Integer> d =
4871	>	new DelegatedCompletionStage<Integer>(f);
4872	>	if (!createIncomplete) f.completeExceptionally(ex);
4873	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4874	>	if (createIncomplete) f.completeExceptionally(ex);
4875	>
4876	>	checkCompletedExceptionally(f, ex);
4877	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4878	>	r.assertInvoked();
4879	>	}}
4880
4881		/**
4882	<	* whenCompleteAsync action executes on normal completion, propagating
4883	<	* source result.
4882	>	* default-implemented exceptionallyCompose completes
4883	>	* exceptionally on exception if action does
4884		*/
4885	<	public void testWhenCompleteAsync1e() {
4886	<	final AtomicInteger a = new AtomicInteger();
4887	<	ThreadExecutor exec = new ThreadExecutor();
4888	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4889	<	CompletableFuture<Integer> g =
4890	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
4891	<	exec);
4892	<	f.complete(three);
4893	<	checkCompletedNormally(f, three);
4894	<	checkCompletedNormally(g, three);
4895	<	assertEquals(a.get(), 1);
4896	<	}
4885	>	public void testDefaultExceptionallyCompose_actionFailed() {
4886	>	for (boolean createIncomplete : new boolean[] { true, false })
4887	>	for (Integer v1 : new Integer[] { 1, null })
4888	>	{
4889	>	final CFException ex = new CFException();
4890	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4891	>	final FailingExceptionalCompletableFutureFunction r
4892	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4893	>	final DelegatedCompletionStage<Integer> d =
4894	>	new DelegatedCompletionStage<Integer>(f);
4895	>	if (!createIncomplete) f.completeExceptionally(ex);
4896	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4897	>	if (createIncomplete) f.completeExceptionally(ex);
4898	>
4899	>	checkCompletedExceptionally(f, ex);
4900	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4901	>	r.assertInvoked();
4902	>	}}
4903
4904		/**
4905	<	* whenCompleteAsync action executes on exceptional completion, propagating
4906	<	* source result.
4905	>	* default exceptionallyComposeAsync result completes normally after normal
4906	>	* completion of source
4907		*/
4908	<	public void testWhenCompleteAsync2e() {
4909	<	final AtomicInteger a = new AtomicInteger();
4910	<	ThreadExecutor exec = new ThreadExecutor();
4911	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4912	<	CompletableFuture<Integer> g =
4913	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
4914	<	exec);
4915	<	f.completeExceptionally(new CFException());
4916	<	checkCompletedWithWrappedCFException(f);
4917	<	checkCompletedWithWrappedCFException(g);
4918	<	}
4908	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4909	>	for (boolean createIncomplete : new boolean[] { true, false })
4910	>	for (Integer v1 : new Integer[] { 1, null })
4911	>	{
4912	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4913	>	final ExceptionalCompletableFutureFunction r =
4914	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4915	>	final DelegatedCompletionStage<Integer> d =
4916	>	new DelegatedCompletionStage<Integer>(f);
4917	>	if (!createIncomplete) assertTrue(f.complete(v1));
4918	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4919	>	if (createIncomplete) assertTrue(f.complete(v1));
4920	>
4921	>	checkCompletedNormally(f, v1);
4922	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4923	>	r.assertNotInvoked();
4924	>	}}
4925
4926		/**
4927	<	* If a whenCompleteAsync action throws an exception when triggered
4928	<	* by a normal completion, it completes exceptionally
4927	>	* default-implemented exceptionallyComposeAsync result completes
4928	>	* normally after exceptional completion of source
4929		*/
4930	<	public void testWhenCompleteAsync3e() {
4931	<	ThreadExecutor exec = new ThreadExecutor();
4932	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4933	<	CompletableFuture<Integer> g =
4934	<	f.whenCompleteAsync((Integer x, Throwable t) ->
4935	<	{ throw new CFException(); },
4936	<	exec);
4937	<	f.complete(three);
4938	<	checkCompletedNormally(f, three);
4939	<	checkCompletedWithWrappedCFException(g);
4940	<	}
4930	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4931	>	for (boolean createIncomplete : new boolean[] { true, false })
4932	>	{
4933	>	final CFException ex = new CFException();
4934	>	final ExceptionalCompletableFutureFunction r =
4935	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4936	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4937	>	final DelegatedCompletionStage<Integer> d =
4938	>	new DelegatedCompletionStage<Integer>(f);
4939	>	if (!createIncomplete) f.completeExceptionally(ex);
4940	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4941	>	if (createIncomplete) f.completeExceptionally(ex);
4942	>
4943	>	checkCompletedExceptionally(f, ex);
4944	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4945	>	r.assertInvoked();
4946	>	}}
4947
4948		/**
4949	<	* handleAsync action completes normally with function value on
4950	<	* either normal or exceptional completion of source
4949	>	* default-implemented exceptionallyComposeAsync completes
4950	>	* exceptionally on exception if action does
4951		*/
4952	<	public void testHandleAsync() {
4953	<	CompletableFuture<Integer> f, g;
4954	<	IntegerHandler r;
4955	<
4956	<	f = new CompletableFuture<>();
4957	<	g = f.handleAsync(r = new IntegerHandler());
4958	<	assertFalse(r.ran);
4959	<	f.completeExceptionally(new CFException());
4960	<	checkCompletedWithWrappedCFException(f);
4961	<	checkCompletedNormally(g, three);
4962	<	assertTrue(r.ran);
4963	<
4964	<	f = new CompletableFuture<>();
4965	<	g = f.handleAsync(r = new IntegerHandler());
4966	<	assertFalse(r.ran);
4967	<	f.completeExceptionally(new CFException());
4968	<	checkCompletedWithWrappedCFException(f);
4969	<	checkCompletedNormally(g, three);
3207	<	assertTrue(r.ran);
3208	<
3209	<	f = new CompletableFuture<>();
3210	<	g = f.handleAsync(r = new IntegerHandler());
3211	<	assertFalse(r.ran);
3212	<	f.complete(one);
3213	<	checkCompletedNormally(f, one);
3214	<	checkCompletedNormally(g, two);
3215	<	assertTrue(r.ran);
4952	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
4953	>	for (boolean createIncomplete : new boolean[] { true, false })
4954	>	for (Integer v1 : new Integer[] { 1, null })
4955	>	{
4956	>	final CFException ex = new CFException();
4957	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4958	>	final FailingExceptionalCompletableFutureFunction r
4959	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4960	>	final DelegatedCompletionStage<Integer> d =
4961	>	new DelegatedCompletionStage<Integer>(f);
4962	>	if (!createIncomplete) f.completeExceptionally(ex);
4963	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4964	>	if (createIncomplete) f.completeExceptionally(ex);
4965	>
4966	>	checkCompletedExceptionally(f, ex);
4967	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4968	>	r.assertInvoked();
4969	>	}}
4970
3217	–	f = new CompletableFuture<>();
3218	–	g = f.handleAsync(r = new IntegerHandler());
3219	–	assertFalse(r.ran);
3220	–	f.complete(one);
3221	–	checkCompletedNormally(f, one);
3222	–	checkCompletedNormally(g, two);
3223	–	assertTrue(r.ran);
3224	–	}
4971
4972		/**
4973	<	* handleAsync action with Executor completes normally with
4974	<	* function value on either normal or exceptional completion of
3229	<	* source
4973	>	* default exceptionallyComposeAsync result completes normally after normal
4974	>	* completion of source
4975		*/
4976	<	public void testHandleAsync2() {
4977	<	CompletableFuture<Integer> f, g;
4978	<	ThreadExecutor exec = new ThreadExecutor();
4979	<	IntegerHandler r;
4980	<
4981	<	f = new CompletableFuture<>();
4982	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4983	<	assertFalse(r.ran);
4984	<	f.completeExceptionally(new CFException());
4985	<	checkCompletedWithWrappedCFException(f);
4986	<	checkCompletedNormally(g, three);
4987	<	assertTrue(r.ran);
4976	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
4977	>	for (boolean createIncomplete : new boolean[] { true, false })
4978	>	for (Integer v1 : new Integer[] { 1, null })
4979	>	{
4980	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4981	>	final ExceptionalCompletableFutureFunction r =
4982	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
4983	>	final DelegatedCompletionStage<Integer> d =
4984	>	new DelegatedCompletionStage<Integer>(f);
4985	>	if (!createIncomplete) assertTrue(f.complete(v1));
4986	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
4987	>	if (createIncomplete) assertTrue(f.complete(v1));
4988
4989	<	f = new CompletableFuture<>();
4990	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4991	<	assertFalse(r.ran);
4992	<	f.completeExceptionally(new CFException());
3248	<	checkCompletedWithWrappedCFException(f);
3249	<	checkCompletedNormally(g, three);
3250	<	assertTrue(r.ran);
4989	>	checkCompletedNormally(f, v1);
4990	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4991	>	r.assertNotInvoked();
4992	>	}}
4993
4994	<	f = new CompletableFuture<>();
4995	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4996	<	assertFalse(r.ran);
4997	<	f.complete(one);
4998	<	checkCompletedNormally(f, one);
4999	<	checkCompletedNormally(g, two);
5000	<	assertTrue(r.ran);
4994	>	/**
4995	>	* default-implemented exceptionallyComposeAsync result completes
4996	>	* normally after exceptional completion of source
4997	>	*/
4998	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
4999	>	for (boolean createIncomplete : new boolean[] { true, false })
5000	>	{
5001	>	final CFException ex = new CFException();
5002	>	final ExceptionalCompletableFutureFunction r =
5003	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5004	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5005	>	final DelegatedCompletionStage<Integer> d =
5006	>	new DelegatedCompletionStage<Integer>(f);
5007	>	if (!createIncomplete) f.completeExceptionally(ex);
5008	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5009	>	if (createIncomplete) f.completeExceptionally(ex);
5010	>
5011	>	checkCompletedExceptionally(f, ex);
5012	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5013	>	r.assertInvoked();
5014	>	}}
5015
5016	<	f = new CompletableFuture<>();
5017	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5018	<	assertFalse(r.ran);
5019	<	f.complete(one);
5020	<	checkCompletedNormally(f, one);
5021	<	checkCompletedNormally(g, two);
5022	<	assertTrue(r.ran);
5023	<	}
5016	>	/**
5017	>	* default-implemented exceptionallyComposeAsync completes
5018	>	* exceptionally on exception if action does
5019	>	*/
5020	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5021	>	for (boolean createIncomplete : new boolean[] { true, false })
5022	>	for (Integer v1 : new Integer[] { 1, null })
5023	>	{
5024	>	final CFException ex = new CFException();
5025	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5026	>	final FailingExceptionalCompletableFutureFunction r
5027	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5028	>	final DelegatedCompletionStage<Integer> d =
5029	>	new DelegatedCompletionStage<Integer>(f);
5030	>	if (!createIncomplete) f.completeExceptionally(ex);
5031	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5032	>	if (createIncomplete) f.completeExceptionally(ex);
5033	>
5034	>	checkCompletedExceptionally(f, ex);
5035	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5036	>	r.assertInvoked();
5037	>	}}
5038
5039		}

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