[ViewVC] Diff of: jsr166/jsr166/src/test/tck/CompletableFutureTest.java

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.68 by jsr166, Fri Jun 6 19:35:54 2014 UTC vs.
Revision 1.208 by jsr166, Sun Sep 23 15:29:31 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;
25	<	import static java.util.concurrent.TimeUnit.SECONDS;
26	<	import java.util.*;
27	<	import java.util.function.Supplier;
28	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
30	–	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 44 \| 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); }
66	<	try {
67	<	assertEquals(value, f.getNow(null));
68	<	} 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 {
86	<	f.join();
87	<	shouldThrow();
88	<	} catch (CompletionException success) {
89	<	assertTrue(success.getCause() instanceof CFException);
90	<	}
91	<	try {
92	<	f.getNow(null);
93	<	shouldThrow();
94	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
96	<	}
97	<	try {
98	<	f.get();
99	<	shouldThrow();
100	<	} catch (ExecutionException success) {
101	<	assertTrue(success.getCause() instanceof CFException);
102	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	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 155 \| Line 194 \| public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
158	–	assertTrue(f.isDone());
159	–	assertTrue(f.isCompletedExceptionally());
160	–	assertTrue(f.isCancelled());
161	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
162	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
166	<	f.get(LONG_DELAY_MS, MILLISECONDS);
167	<	shouldThrow();
168	<	} catch (ExecutionException success) {
169	<	assertTrue(success.getCause() instanceof CancellationException);
170	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
171	<	try {
172	<	f.join();
173	<	shouldThrow();
174	<	} catch (CompletionException success) {
175	<	assertTrue(success.getCause() instanceof CancellationException);
176	<	}
177	<	try {
178	<	f.getNow(null);
179	<	shouldThrow();
180	<	} catch (CompletionException success) {
181	<	assertTrue(success.getCause() instanceof CancellationException);
182	<	}
183	<	try {
184	<	f.get();
185	<	shouldThrow();
186	<	} catch (ExecutionException success) {
187	<	assertTrue(success.getCause() instanceof CancellationException);
188	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
190	–	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 206 \| 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 218 \| 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 228 \| 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 240 \| 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 261 \| 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());
269	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288		f = new CompletableFuture<>();
289	<	f.obtrudeException(new CFException());
290	<	checkCompletedWithWrappedCFException(f);
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295	>	f = new CompletableFuture<>();
296	>	for (int i = 0; i < 2; i++) {
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	}
300	>
301		f = new CompletableFuture<>();
302		f.completeExceptionally(new CFException());
303	<	f.obtrudeValue(four);
304	<	checkCompletedNormally(f, four);
305	<	f.obtrudeException(new CFException());
306	<	checkCompletedWithWrappedCFException(f);
307	<	}
303	>	f.obtrudeValue(v1);
304	>	checkCompletedNormally(f, v1);
305	>	f.obtrudeException(ex = new CFException());
306	>	checkCompletedExceptionally(f, ex);
307	>	f.completeExceptionally(new CFException());
308	>	checkCompletedExceptionally(f, ex);
309	>	assertFalse(f.complete(v1));
310	>	checkCompletedExceptionally(f, ex);
311	>	}}
312
313		/**
314		* getNumberOfDependents returns number of dependent tasks
315		*/
316		public void testGetNumberOfDependents() {
317	+	for (ExecutionMode m : ExecutionMode.values())
318	+	for (Integer v1 : new Integer[] { 1, null })
319	+	{
320		CompletableFuture<Integer> f = new CompletableFuture<>();
321		assertEquals(0, f.getNumberOfDependents());
322	<	CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
322	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323		assertEquals(1, f.getNumberOfDependents());
324		assertEquals(0, g.getNumberOfDependents());
325	<	CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326		assertEquals(2, f.getNumberOfDependents());
327	<	f.complete(1);
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	+	checkCompletedNormally(h, null);
331		assertEquals(0, f.getNumberOfDependents());
332		assertEquals(0, g.getNumberOfDependents());
333	<	}
333	>	assertEquals(0, h.getNumberOfDependents());
334	>	}}
335
336		/**
337		* toString indicates current completion state
338		*/
339	<	public void testToString() {
340	<	CompletableFuture<String> f;
341	<
342	<	f = new CompletableFuture<String>();
343	<	assertTrue(f.toString().contains("[Not completed]"));
344	<
345	<	f.complete("foo");
346	<	assertTrue(f.toString().contains("[Completed normally]"));
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 320 \| Line 381 \| public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	abstract class CheckedAction {
384	>	abstract static class CheckedAction {
385		int invocationCount = 0;
386		final ExecutionMode m;
387		CheckedAction(ExecutionMode m) { this.m = m; }
#	Line 332 \| Line 393 \| public class CompletableFutureTest exten
393		void assertInvoked() { assertEquals(1, invocationCount); }
394		}
395
396	<	abstract class CheckedIntegerAction extends CheckedAction {
396	>	abstract static class CheckedIntegerAction extends CheckedAction {
397		Integer value;
398		CheckedIntegerAction(ExecutionMode m) { super(m); }
399		void assertValue(Integer expected) {
#	Line 341 \| Line 402 \| public class CompletableFutureTest exten
402		}
403		}
404
405	<	class IntegerSupplier extends CheckedAction
405	>	static class IntegerSupplier extends CheckedAction
406		implements Supplier<Integer>
407		{
408		final Integer value;
#	Line 360 \| Line 421 \| public class CompletableFutureTest exten
421		return (x == null) ? null : x + 1;
422		}
423
424	<	class NoopConsumer extends CheckedIntegerAction
424	>	static class NoopConsumer extends CheckedIntegerAction
425		implements Consumer<Integer>
426		{
427		NoopConsumer(ExecutionMode m) { super(m); }
#	Line 370 \| Line 431 \| public class CompletableFutureTest exten
431		}
432		}
433
434	<	class IncFunction extends CheckedIntegerAction
434	>	static class IncFunction extends CheckedIntegerAction
435		implements Function<Integer,Integer>
436		{
437		IncFunction(ExecutionMode m) { super(m); }
#	Line 388 \| Line 449 \| public class CompletableFutureTest exten
449		- ((y == null) ? 99 : y.intValue());
450		}
451
452	<	class SubtractAction extends CheckedIntegerAction
452	>	static class SubtractAction extends CheckedIntegerAction
453		implements BiConsumer<Integer, Integer>
454		{
455		SubtractAction(ExecutionMode m) { super(m); }
#	Line 398 \| Line 459 \| public class CompletableFutureTest exten
459		}
460		}
461
462	<	class SubtractFunction extends CheckedIntegerAction
462	>	static class SubtractFunction extends CheckedIntegerAction
463		implements BiFunction<Integer, Integer, Integer>
464		{
465		SubtractFunction(ExecutionMode m) { super(m); }
#	Line 408 \| Line 469 \| public class CompletableFutureTest exten
469		}
470		}
471
472	<	class Noop extends CheckedAction implements Runnable {
472	>	static class Noop extends CheckedAction implements Runnable {
473		Noop(ExecutionMode m) { super(m); }
474		public void run() {
475		invoked();
476		}
477		}
478
479	<	class FailingSupplier extends CheckedAction
479	>	static class FailingSupplier extends CheckedAction
480		implements Supplier<Integer>
481		{
482	<	FailingSupplier(ExecutionMode m) { super(m); }
482	>	final CFException ex;
483	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
484		public Integer get() {
485		invoked();
486	<	throw new CFException();
486	>	throw ex;
487		}
488		}
489
490	<	class FailingConsumer extends CheckedIntegerAction
490	>	static class FailingConsumer extends CheckedIntegerAction
491		implements Consumer<Integer>
492		{
493	<	FailingConsumer(ExecutionMode m) { super(m); }
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 new CFException();
498	>	throw ex;
499		}
500		}
501
502	<	class FailingBiConsumer extends CheckedIntegerAction
502	>	static class FailingBiConsumer extends CheckedIntegerAction
503		implements BiConsumer<Integer, Integer>
504		{
505	<	FailingBiConsumer(ExecutionMode m) { super(m); }
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 new CFException();
510	>	throw ex;
511		}
512		}
513
514	<	class FailingFunction extends CheckedIntegerAction
514	>	static class FailingFunction extends CheckedIntegerAction
515		implements Function<Integer, Integer>
516		{
517	<	FailingFunction(ExecutionMode m) { super(m); }
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 new CFException();
522	>	throw ex;
523		}
524		}
525
526	<	class FailingBiFunction extends CheckedIntegerAction
526	>	static class FailingBiFunction extends CheckedIntegerAction
527		implements BiFunction<Integer, Integer, Integer>
528		{
529	<	FailingBiFunction(ExecutionMode m) { super(m); }
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 new CFException();
534	>	throw ex;
535		}
536		}
537
538	<	class FailingRunnable extends CheckedAction implements Runnable {
539	<	FailingRunnable(ExecutionMode m) { super(m); }
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 new CFException();
543	>	throw ex;
544		}
545		}
546
547	<
481	<	class CompletableFutureInc extends CheckedIntegerAction
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		invoked();
553		value = x;
554	<	CompletableFuture<Integer> f = new CompletableFuture<>();
489	<	f.complete(inc(x));
490	<	return f;
554	>	return CompletableFuture.completedFuture(inc(x));
555		}
556		}
557
558	<	class FailingCompletableFutureFunction extends CheckedIntegerAction
558	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
559	>	implements Function<Throwable, CompletableFuture<Integer>>
560	>	{
561	>	final CFException ex;
562	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
563	>	public CompletableFuture<Integer> apply(Throwable x) {
564	>	invoked();
565	>	throw ex;
566	>	}
567	>	}
568	>
569	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
570	>	implements Function<Throwable, CompletionStage<Integer>> {
571	>	final Integer value = 3;
572	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
573	>	public CompletionStage<Integer> apply(Throwable x) {
574	>	invoked();
575	>	return CompletableFuture.completedFuture(value);
576	>	}
577	>	}
578	>
579	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
580		implements Function<Integer, CompletableFuture<Integer>>
581		{
582	<	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
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 new CFException();
587	>	throw ex;
588	>	}
589	>	}
590	>
591	>	static class CountingRejectingExecutor implements Executor {
592	>	final RejectedExecutionException ex = new RejectedExecutionException();
593	>	final AtomicInteger count = new AtomicInteger(0);
594	>	public void execute(Runnable r) {
595	>	count.getAndIncrement();
596	>	throw ex;
597		}
598		}
599
#	Line 516 \| Line 611 \| public class CompletableFutureTest exten
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 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());
#	Line 593 \| Line 691 \| public class CompletableFutureTest exten
691		Function<? super T,U> a) {
692		return f.applyToEither(g, a);
693		}
694	+	public <T> CompletableFuture<T> exceptionally
695	+	(CompletableFuture<T> f,
696	+	Function<Throwable, ? extends T> fn) {
697	+	return f.exceptionally(fn);
698	+	}
699	+	public <T> CompletableFuture<T> exceptionallyCompose
700	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
701	+	return f.exceptionallyCompose(fn);
702	+	}
703		},
597	–
704		ASYNC {
705		public void checkExecutionMode() {
706	<	assertSame(ForkJoinPool.commonPool(),
707	<	ForkJoinTask.getPool());
706	>	assertEquals(defaultExecutorIsCommonPool,
707	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
708		}
709		public CompletableFuture<Void> runAsync(Runnable a) {
710		return CompletableFuture.runAsync(a);
#	Line 667 \| Line 773 \| public class CompletableFutureTest exten
773		Function<? super T,U> a) {
774		return f.applyToEitherAsync(g, a);
775		}
776	+	public <T> CompletableFuture<T> exceptionally
777	+	(CompletableFuture<T> f,
778	+	Function<Throwable, ? extends T> fn) {
779	+	return f.exceptionallyAsync(fn);
780	+	}
781	+
782	+	public <T> CompletableFuture<T> exceptionallyCompose
783	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
784	+	return f.exceptionallyComposeAsync(fn);
785	+	}
786	+
787		},
788
789		EXECUTOR {
#	Line 740 \| Line 857 \| public class CompletableFutureTest exten
857		Function<? super T,U> a) {
858		return f.applyToEitherAsync(g, a, new ThreadExecutor());
859		}
860	+	public <T> CompletableFuture<T> exceptionally
861	+	(CompletableFuture<T> f,
862	+	Function<Throwable, ? extends T> fn) {
863	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
864	+	}
865	+	public <T> CompletableFuture<T> exceptionallyCompose
866	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
867	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
868	+	}
869	+
870		};
871
872		public abstract void checkExecutionMode();
#	Line 782 \| Line 909 \| public class CompletableFutureTest exten
909		(CompletableFuture<T> f,
910		CompletionStage<? extends T> g,
911		Function<? super T,U> a);
912	+	public abstract <T> CompletableFuture<T> exceptionally
913	+	(CompletableFuture<T> f,
914	+	Function<Throwable, ? extends T> fn);
915	+	public abstract <T> CompletableFuture<T> exceptionallyCompose
916	+	(CompletableFuture<T> f,
917	+	Function<Throwable, ? extends CompletionStage<T>> fn);
918		}
919
920		/**
#	Line 789 \| Line 922 \| public class CompletableFutureTest exten
922		* normally, and source result is propagated
923		*/
924		public void testExceptionally_normalCompletion() {
925	+	for (ExecutionMode m : ExecutionMode.values())
926		for (boolean createIncomplete : new boolean[] { true, false })
927		for (Integer v1 : new Integer[] { 1, null })
928		{
795	–	final AtomicInteger a = new AtomicInteger(0);
929		final CompletableFuture<Integer> f = new CompletableFuture<>();
930	<	if (!createIncomplete) f.complete(v1);
931	<	final CompletableFuture<Integer> g = f.exceptionally
932	<	((Throwable t) -> {
933	<	// Should not be called
934	<	a.getAndIncrement();
802	<	throw new AssertionError();
930	>	if (!createIncomplete) assertTrue(f.complete(v1));
931	>	final CompletableFuture<Integer> g = m.exceptionally
932	>	(f, (Throwable t) -> {
933	>	threadFail("should not be called");
934	>	return null; // unreached
935		});
936	<	if (createIncomplete) f.complete(v1);
936	>	if (createIncomplete) assertTrue(f.complete(v1));
937
938		checkCompletedNormally(g, v1);
939		checkCompletedNormally(f, v1);
808	–	assertEquals(0, a.get());
940		}}
941
811	–
942		/**
943		* exceptionally action completes with function value on source
944		* exception
945		*/
946		public void testExceptionally_exceptionalCompletion() {
947	+	for (ExecutionMode m : ExecutionMode.values())
948		for (boolean createIncomplete : new boolean[] { true, false })
949		for (Integer v1 : new Integer[] { 1, null })
950		{
#	Line 821 \| Line 952 \| public class CompletableFutureTest exten
952		final CFException ex = new CFException();
953		final CompletableFuture<Integer> f = new CompletableFuture<>();
954		if (!createIncomplete) f.completeExceptionally(ex);
955	<	final CompletableFuture<Integer> g = f.exceptionally
956	<	((Throwable t) -> {
957	<	ExecutionMode.DEFAULT.checkExecutionMode();
955	>	final CompletableFuture<Integer> g = m.exceptionally
956	>	(f, (Throwable t) -> {
957	>	m.checkExecutionMode();
958		threadAssertSame(t, ex);
959		a.getAndIncrement();
960		return v1;
#	Line 834 \| Line 965 \| public class CompletableFutureTest exten
965		assertEquals(1, a.get());
966		}}
967
968	+	/**
969	+	* If an "exceptionally action" throws an exception, it completes
970	+	* exceptionally with that exception
971	+	*/
972		public void testExceptionally_exceptionalCompletionActionFailed() {
973	+	for (ExecutionMode m : ExecutionMode.values())
974	+	for (boolean createIncomplete : new boolean[] { true, false })
975	+	{
976	+	final AtomicInteger a = new AtomicInteger(0);
977	+	final CFException ex1 = new CFException();
978	+	final CFException ex2 = new CFException();
979	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
980	+	if (!createIncomplete) f.completeExceptionally(ex1);
981	+	final CompletableFuture<Integer> g = m.exceptionally
982	+	(f, (Throwable t) -> {
983	+	m.checkExecutionMode();
984	+	threadAssertSame(t, ex1);
985	+	a.getAndIncrement();
986	+	throw ex2;
987	+	});
988	+	if (createIncomplete) f.completeExceptionally(ex1);
989	+
990	+	checkCompletedWithWrappedException(g, ex2);
991	+	checkCompletedExceptionally(f, ex1);
992	+	assertEquals(1, a.get());
993	+	}}
994	+
995	+	/**
996	+	* whenComplete action executes on normal completion, propagating
997	+	* source result.
998	+	*/
999	+	public void testWhenComplete_normalCompletion() {
1000	+	for (ExecutionMode m : ExecutionMode.values())
1001	+	for (boolean createIncomplete : new boolean[] { true, false })
1002	+	for (Integer v1 : new Integer[] { 1, null })
1003	+	{
1004	+	final AtomicInteger a = new AtomicInteger(0);
1005	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	+	if (!createIncomplete) assertTrue(f.complete(v1));
1007	+	final CompletableFuture<Integer> g = m.whenComplete
1008	+	(f,
1009	+	(Integer result, Throwable t) -> {
1010	+	m.checkExecutionMode();
1011	+	threadAssertSame(result, v1);
1012	+	threadAssertNull(t);
1013	+	a.getAndIncrement();
1014	+	});
1015	+	if (createIncomplete) assertTrue(f.complete(v1));
1016	+
1017	+	checkCompletedNormally(g, v1);
1018	+	checkCompletedNormally(f, v1);
1019	+	assertEquals(1, a.get());
1020	+	}}
1021	+
1022	+	/**
1023	+	* whenComplete action executes on exceptional completion, propagating
1024	+	* source result.
1025	+	*/
1026	+	public void testWhenComplete_exceptionalCompletion() {
1027	+	for (ExecutionMode m : ExecutionMode.values())
1028	+	for (boolean createIncomplete : new boolean[] { true, false })
1029	+	{
1030	+	final AtomicInteger a = new AtomicInteger(0);
1031	+	final CFException ex = new CFException();
1032	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1033	+	if (!createIncomplete) f.completeExceptionally(ex);
1034	+	final CompletableFuture<Integer> g = m.whenComplete
1035	+	(f,
1036	+	(Integer result, Throwable t) -> {
1037	+	m.checkExecutionMode();
1038	+	threadAssertNull(result);
1039	+	threadAssertSame(t, ex);
1040	+	a.getAndIncrement();
1041	+	});
1042	+	if (createIncomplete) f.completeExceptionally(ex);
1043	+
1044	+	checkCompletedWithWrappedException(g, ex);
1045	+	checkCompletedExceptionally(f, ex);
1046	+	assertEquals(1, a.get());
1047	+	}}
1048	+
1049	+	/**
1050	+	* whenComplete action executes on cancelled source, propagating
1051	+	* CancellationException.
1052	+	*/
1053	+	public void testWhenComplete_sourceCancelled() {
1054	+	for (ExecutionMode m : ExecutionMode.values())
1055	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1056		for (boolean createIncomplete : new boolean[] { true, false })
1057	+	{
1058	+	final AtomicInteger a = new AtomicInteger(0);
1059	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1060	+	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1061	+	final CompletableFuture<Integer> g = m.whenComplete
1062	+	(f,
1063	+	(Integer result, Throwable t) -> {
1064	+	m.checkExecutionMode();
1065	+	threadAssertNull(result);
1066	+	threadAssertTrue(t instanceof CancellationException);
1067	+	a.getAndIncrement();
1068	+	});
1069	+	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1070	+
1071	+	checkCompletedWithWrappedCancellationException(g);
1072	+	checkCancelled(f);
1073	+	assertEquals(1, a.get());
1074	+	}}
1075	+
1076	+	/**
1077	+	* If a whenComplete action throws an exception when triggered by
1078	+	* a normal completion, it completes exceptionally
1079	+	*/
1080	+	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1081	+	for (boolean createIncomplete : new boolean[] { true, false })
1082	+	for (ExecutionMode m : ExecutionMode.values())
1083		for (Integer v1 : new Integer[] { 1, null })
1084		{
1085		final AtomicInteger a = new AtomicInteger(0);
1086	+	final CFException ex = new CFException();
1087	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	+	if (!createIncomplete) assertTrue(f.complete(v1));
1089	+	final CompletableFuture<Integer> g = m.whenComplete
1090	+	(f,
1091	+	(Integer result, Throwable t) -> {
1092	+	m.checkExecutionMode();
1093	+	threadAssertSame(result, v1);
1094	+	threadAssertNull(t);
1095	+	a.getAndIncrement();
1096	+	throw ex;
1097	+	});
1098	+	if (createIncomplete) assertTrue(f.complete(v1));
1099	+
1100	+	checkCompletedWithWrappedException(g, ex);
1101	+	checkCompletedNormally(f, v1);
1102	+	assertEquals(1, a.get());
1103	+	}}
1104	+
1105	+	/**
1106	+	* If a whenComplete action throws an exception when triggered by
1107	+	* a source completion that also throws an exception, the source
1108	+	* exception takes precedence (unlike handle)
1109	+	*/
1110	+	public void testWhenComplete_sourceFailedActionFailed() {
1111	+	for (boolean createIncomplete : new boolean[] { true, false })
1112	+	for (ExecutionMode m : ExecutionMode.values())
1113	+	{
1114	+	final AtomicInteger a = new AtomicInteger(0);
1115		final CFException ex1 = new CFException();
1116		final CFException ex2 = new CFException();
1117		final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	+
1119		if (!createIncomplete) f.completeExceptionally(ex1);
1120	<	final CompletableFuture<Integer> g = f.exceptionally
1121	<	((Throwable t) -> {
1122	<	ExecutionMode.DEFAULT.checkExecutionMode();
1120	>	final CompletableFuture<Integer> g = m.whenComplete
1121	>	(f,
1122	>	(Integer result, Throwable t) -> {
1123	>	m.checkExecutionMode();
1124		threadAssertSame(t, ex1);
1125	+	threadAssertNull(result);
1126		a.getAndIncrement();
1127		throw ex2;
1128		});
1129		if (createIncomplete) f.completeExceptionally(ex1);
1130
1131	<	checkCompletedWithWrappedCFException(g, ex2);
1131	>	checkCompletedWithWrappedException(g, ex1);
1132	>	checkCompletedExceptionally(f, ex1);
1133	>	if (testImplementationDetails) {
1134	>	assertEquals(1, ex1.getSuppressed().length);
1135	>	assertSame(ex2, ex1.getSuppressed()[0]);
1136	>	}
1137		assertEquals(1, a.get());
1138		}}
1139
#	Line 867 \| Line 1148 \| public class CompletableFutureTest exten
1148		{
1149		final CompletableFuture<Integer> f = new CompletableFuture<>();
1150		final AtomicInteger a = new AtomicInteger(0);
1151	<	if (!createIncomplete) f.complete(v1);
1151	>	if (!createIncomplete) assertTrue(f.complete(v1));
1152		final CompletableFuture<Integer> g = m.handle
1153		(f,
1154	<	(Integer x, Throwable t) -> {
1154	>	(Integer result, Throwable t) -> {
1155		m.checkExecutionMode();
1156	<	threadAssertSame(x, v1);
1156	>	threadAssertSame(result, v1);
1157		threadAssertNull(t);
1158		a.getAndIncrement();
1159		return inc(v1);
1160		});
1161	<	if (createIncomplete) f.complete(v1);
1161	>	if (createIncomplete) assertTrue(f.complete(v1));
1162
1163		checkCompletedNormally(g, inc(v1));
1164		checkCompletedNormally(f, v1);
#	Line 899 \| Line 1180 \| public class CompletableFutureTest exten
1180		if (!createIncomplete) f.completeExceptionally(ex);
1181		final CompletableFuture<Integer> g = m.handle
1182		(f,
1183	<	(Integer x, Throwable t) -> {
1183	>	(Integer result, Throwable t) -> {
1184		m.checkExecutionMode();
1185	<	threadAssertNull(x);
1185	>	threadAssertNull(result);
1186		threadAssertSame(t, ex);
1187		a.getAndIncrement();
1188		return v1;
#	Line 909 \| Line 1190 \| public class CompletableFutureTest exten
1190		if (createIncomplete) f.completeExceptionally(ex);
1191
1192		checkCompletedNormally(g, v1);
1193	<	checkCompletedWithWrappedCFException(f, ex);
1193	>	checkCompletedExceptionally(f, ex);
1194		assertEquals(1, a.get());
1195		}}
1196
#	Line 928 \| Line 1209 \| public class CompletableFutureTest exten
1209		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1210		final CompletableFuture<Integer> g = m.handle
1211		(f,
1212	<	(Integer x, Throwable t) -> {
1212	>	(Integer result, Throwable t) -> {
1213		m.checkExecutionMode();
1214	<	threadAssertNull(x);
1214	>	threadAssertNull(result);
1215		threadAssertTrue(t instanceof CancellationException);
1216		a.getAndIncrement();
1217		return v1;
#	Line 943 \| Line 1224 \| public class CompletableFutureTest exten
1224		}}
1225
1226		/**
1227	<	* handle result completes exceptionally if action does
1227	>	* If a "handle action" throws an exception when triggered by
1228	>	* a normal completion, it completes exceptionally
1229		*/
1230	<	public void testHandle_sourceFailedActionFailed() {
1230	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1231		for (ExecutionMode m : ExecutionMode.values())
1232		for (boolean createIncomplete : new boolean[] { true, false })
1233	+	for (Integer v1 : new Integer[] { 1, null })
1234		{
1235		final CompletableFuture<Integer> f = new CompletableFuture<>();
1236		final AtomicInteger a = new AtomicInteger(0);
1237	<	final CFException ex1 = new CFException();
1238	<	final CFException ex2 = new CFException();
956	<	if (!createIncomplete) f.completeExceptionally(ex1);
1237	>	final CFException ex = new CFException();
1238	>	if (!createIncomplete) assertTrue(f.complete(v1));
1239		final CompletableFuture<Integer> g = m.handle
1240		(f,
1241	<	(Integer x, Throwable t) -> {
1241	>	(Integer result, Throwable t) -> {
1242		m.checkExecutionMode();
1243	<	threadAssertNull(x);
1244	<	threadAssertSame(ex1, t);
1243	>	threadAssertSame(result, v1);
1244	>	threadAssertNull(t);
1245		a.getAndIncrement();
1246	<	throw ex2;
1246	>	throw ex;
1247		});
1248	<	if (createIncomplete) f.completeExceptionally(ex1);
1248	>	if (createIncomplete) assertTrue(f.complete(v1));
1249
1250	<	checkCompletedWithWrappedCFException(g, ex2);
1251	<	checkCompletedWithWrappedCFException(f, ex1);
1250	>	checkCompletedWithWrappedException(g, ex);
1251	>	checkCompletedNormally(f, v1);
1252		assertEquals(1, a.get());
1253		}}
1254
1255	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1256	<	for (ExecutionMode m : ExecutionMode.values())
1255	>	/**
1256	>	* If a "handle action" throws an exception when triggered by
1257	>	* a source completion that also throws an exception, the action
1258	>	* exception takes precedence (unlike whenComplete)
1259	>	*/
1260	>	public void testHandle_sourceFailedActionFailed() {
1261		for (boolean createIncomplete : new boolean[] { true, false })
1262	<	for (Integer v1 : new Integer[] { 1, null })
1262	>	for (ExecutionMode m : ExecutionMode.values())
1263		{
978	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1264		final AtomicInteger a = new AtomicInteger(0);
1265	<	final CFException ex = new CFException();
1266	<	if (!createIncomplete) f.complete(v1);
1265	>	final CFException ex1 = new CFException();
1266	>	final CFException ex2 = new CFException();
1267	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1268	>
1269	>	if (!createIncomplete) f.completeExceptionally(ex1);
1270		final CompletableFuture<Integer> g = m.handle
1271		(f,
1272	<	(Integer x, Throwable t) -> {
1272	>	(Integer result, Throwable t) -> {
1273		m.checkExecutionMode();
1274	<	threadAssertSame(x, v1);
1275	<	threadAssertNull(t);
1274	>	threadAssertNull(result);
1275	>	threadAssertSame(ex1, t);
1276		a.getAndIncrement();
1277	<	throw ex;
1277	>	throw ex2;
1278		});
1279	<	if (createIncomplete) f.complete(v1);
1279	>	if (createIncomplete) f.completeExceptionally(ex1);
1280
1281	<	checkCompletedWithWrappedCFException(g, ex);
1282	<	checkCompletedNormally(f, v1);
1281	>	checkCompletedWithWrappedException(g, ex2);
1282	>	checkCompletedExceptionally(f, ex1);
1283		assertEquals(1, a.get());
1284		}}
1285
#	Line 1024 \| Line 1312 \| public class CompletableFutureTest exten
1312		{
1313		final FailingRunnable r = new FailingRunnable(m);
1314		final CompletableFuture<Void> f = m.runAsync(r);
1315	<	checkCompletedWithWrappedCFException(f);
1315	>	checkCompletedWithWrappedException(f, r.ex);
1316		r.assertInvoked();
1317		}}
1318
1319	+	@SuppressWarnings("FutureReturnValueIgnored")
1320	+	public void testRunAsync_rejectingExecutor() {
1321	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1322	+	try {
1323	+	CompletableFuture.runAsync(() -> {}, e);
1324	+	shouldThrow();
1325	+	} catch (Throwable t) {
1326	+	assertSame(e.ex, t);
1327	+	}
1328	+
1329	+	assertEquals(1, e.count.get());
1330	+	}
1331	+
1332		/**
1333		* supplyAsync completes with result of supplier
1334		*/
#	Line 1058 \| Line 1359 \| public class CompletableFutureTest exten
1359		{
1360		FailingSupplier r = new FailingSupplier(m);
1361		CompletableFuture<Integer> f = m.supplyAsync(r);
1362	<	checkCompletedWithWrappedCFException(f);
1362	>	checkCompletedWithWrappedException(f, r.ex);
1363		r.assertInvoked();
1364		}}
1365
1366	+	@SuppressWarnings("FutureReturnValueIgnored")
1367	+	public void testSupplyAsync_rejectingExecutor() {
1368	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1369	+	try {
1370	+	CompletableFuture.supplyAsync(() -> null, e);
1371	+	shouldThrow();
1372	+	} catch (Throwable t) {
1373	+	assertSame(e.ex, t);
1374	+	}
1375	+
1376	+	assertEquals(1, e.count.get());
1377	+	}
1378	+
1379		// seq completion methods
1380
1381		/**
#	Line 1069 \| Line 1383 \| public class CompletableFutureTest exten
1383		*/
1384		public void testThenRun_normalCompletion() {
1385		for (ExecutionMode m : ExecutionMode.values())
1072	–	for (boolean createIncomplete : new boolean[] { true, false })
1386		for (Integer v1 : new Integer[] { 1, null })
1387		{
1388		final CompletableFuture<Integer> f = new CompletableFuture<>();
1389	<	final Noop r = new Noop(m);
1390	<	if (!createIncomplete) f.complete(v1);
1078	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1079	<	if (createIncomplete) {
1080	<	checkIncomplete(g);
1081	<	f.complete(v1);
1082	<	}
1389	>	final Noop[] rs = new Noop[6];
1390	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1391
1392	<	checkCompletedNormally(g, null);
1392	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1393	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1394	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1395	>	checkIncomplete(h0);
1396	>	checkIncomplete(h1);
1397	>	checkIncomplete(h2);
1398	>	assertTrue(f.complete(v1));
1399	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1400	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1401	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1402	>
1403	>	checkCompletedNormally(h0, null);
1404	>	checkCompletedNormally(h1, null);
1405	>	checkCompletedNormally(h2, null);
1406	>	checkCompletedNormally(h3, null);
1407	>	checkCompletedNormally(h4, null);
1408	>	checkCompletedNormally(h5, null);
1409		checkCompletedNormally(f, v1);
1410	<	r.assertInvoked();
1410	>	for (Noop r : rs) r.assertInvoked();
1411		}}
1412
1413		/**
#	Line 1092 \| Line 1416 \| public class CompletableFutureTest exten
1416		*/
1417		public void testThenRun_exceptionalCompletion() {
1418		for (ExecutionMode m : ExecutionMode.values())
1095	–	for (boolean createIncomplete : new boolean[] { true, false })
1419		{
1420		final CFException ex = new CFException();
1421		final CompletableFuture<Integer> f = new CompletableFuture<>();
1422	<	final Noop r = new Noop(m);
1423	<	if (!createIncomplete) f.completeExceptionally(ex);
1101	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1102	<	if (createIncomplete) {
1103	<	checkIncomplete(g);
1104	<	f.completeExceptionally(ex);
1105	<	}
1422	>	final Noop[] rs = new Noop[6];
1423	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1424
1425	<	checkCompletedWithWrappedCFException(g, ex);
1426	<	checkCompletedWithWrappedCFException(f, ex);
1427	<	r.assertNotInvoked();
1425	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1426	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1427	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1428	>	checkIncomplete(h0);
1429	>	checkIncomplete(h1);
1430	>	checkIncomplete(h2);
1431	>	assertTrue(f.completeExceptionally(ex));
1432	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1433	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1434	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1435	>
1436	>	checkCompletedWithWrappedException(h0, ex);
1437	>	checkCompletedWithWrappedException(h1, ex);
1438	>	checkCompletedWithWrappedException(h2, ex);
1439	>	checkCompletedWithWrappedException(h3, ex);
1440	>	checkCompletedWithWrappedException(h4, ex);
1441	>	checkCompletedWithWrappedException(h5, ex);
1442	>	checkCompletedExceptionally(f, ex);
1443	>	for (Noop r : rs) r.assertNotInvoked();
1444		}}
1445
1446		/**
#	Line 1114 \| Line 1448 \| public class CompletableFutureTest exten
1448		*/
1449		public void testThenRun_sourceCancelled() {
1450		for (ExecutionMode m : ExecutionMode.values())
1117	–	for (boolean createIncomplete : new boolean[] { true, false })
1451		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1452		{
1453		final CompletableFuture<Integer> f = new CompletableFuture<>();
1454	<	final Noop r = new Noop(m);
1455	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1123	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1124	<	if (createIncomplete) {
1125	<	checkIncomplete(g);
1126	<	assertTrue(f.cancel(mayInterruptIfRunning));
1127	<	}
1454	>	final Noop[] rs = new Noop[6];
1455	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1456
1457	<	checkCompletedWithWrappedCancellationException(g);
1457	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1458	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1459	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1460	>	checkIncomplete(h0);
1461	>	checkIncomplete(h1);
1462	>	checkIncomplete(h2);
1463	>	assertTrue(f.cancel(mayInterruptIfRunning));
1464	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1465	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1466	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1467	>
1468	>	checkCompletedWithWrappedCancellationException(h0);
1469	>	checkCompletedWithWrappedCancellationException(h1);
1470	>	checkCompletedWithWrappedCancellationException(h2);
1471	>	checkCompletedWithWrappedCancellationException(h3);
1472	>	checkCompletedWithWrappedCancellationException(h4);
1473	>	checkCompletedWithWrappedCancellationException(h5);
1474		checkCancelled(f);
1475	<	r.assertNotInvoked();
1475	>	for (Noop r : rs) r.assertNotInvoked();
1476		}}
1477
1478		/**
#	Line 1136 \| Line 1480 \| public class CompletableFutureTest exten
1480		*/
1481		public void testThenRun_actionFailed() {
1482		for (ExecutionMode m : ExecutionMode.values())
1139	–	for (boolean createIncomplete : new boolean[] { true, false })
1483		for (Integer v1 : new Integer[] { 1, null })
1484		{
1485		final CompletableFuture<Integer> f = new CompletableFuture<>();
1486	<	final FailingRunnable r = new FailingRunnable(m);
1487	<	if (!createIncomplete) f.complete(v1);
1145	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1146	<	if (createIncomplete) {
1147	<	checkIncomplete(g);
1148	<	f.complete(v1);
1149	<	}
1486	>	final FailingRunnable[] rs = new FailingRunnable[6];
1487	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1488
1489	<	checkCompletedWithWrappedCFException(g);
1489	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1490	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1491	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1492	>	assertTrue(f.complete(v1));
1493	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1494	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1495	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1496	>
1497	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1498	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1499	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1500	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1501	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1502	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1503		checkCompletedNormally(f, v1);
1504		}}
1505
#	Line 1157 \| Line 1508 \| public class CompletableFutureTest exten
1508		*/
1509		public void testThenApply_normalCompletion() {
1510		for (ExecutionMode m : ExecutionMode.values())
1160	–	for (boolean createIncomplete : new boolean[] { true, false })
1511		for (Integer v1 : new Integer[] { 1, null })
1512		{
1513		final CompletableFuture<Integer> f = new CompletableFuture<>();
1514	<	final IncFunction r = new IncFunction(m);
1515	<	if (!createIncomplete) f.complete(v1);
1166	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1167	<	if (createIncomplete) {
1168	<	checkIncomplete(g);
1169	<	f.complete(v1);
1170	<	}
1514	>	final IncFunction[] rs = new IncFunction[4];
1515	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1516
1517	<	checkCompletedNormally(g, inc(v1));
1517	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1518	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1519	>	checkIncomplete(h0);
1520	>	checkIncomplete(h1);
1521	>	assertTrue(f.complete(v1));
1522	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1523	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedNormally(h0, inc(v1));
1526	>	checkCompletedNormally(h1, inc(v1));
1527	>	checkCompletedNormally(h2, inc(v1));
1528	>	checkCompletedNormally(h3, inc(v1));
1529		checkCompletedNormally(f, v1);
1530	<	r.assertInvoked();
1530	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1531		}}
1532
1533		/**
#	Line 1180 \| Line 1536 \| public class CompletableFutureTest exten
1536		*/
1537		public void testThenApply_exceptionalCompletion() {
1538		for (ExecutionMode m : ExecutionMode.values())
1183	–	for (boolean createIncomplete : new boolean[] { true, false })
1539		{
1540		final CFException ex = new CFException();
1541		final CompletableFuture<Integer> f = new CompletableFuture<>();
1542	<	final IncFunction r = new IncFunction(m);
1543	<	if (!createIncomplete) f.completeExceptionally(ex);
1189	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1190	<	if (createIncomplete) {
1191	<	checkIncomplete(g);
1192	<	f.completeExceptionally(ex);
1193	<	}
1542	>	final IncFunction[] rs = new IncFunction[4];
1543	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1544
1545	<	checkCompletedWithWrappedCFException(g, ex);
1546	<	checkCompletedWithWrappedCFException(f, ex);
1547	<	r.assertNotInvoked();
1545	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1546	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1547	>	assertTrue(f.completeExceptionally(ex));
1548	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1549	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1550	>
1551	>	checkCompletedWithWrappedException(h0, ex);
1552	>	checkCompletedWithWrappedException(h1, ex);
1553	>	checkCompletedWithWrappedException(h2, ex);
1554	>	checkCompletedWithWrappedException(h3, ex);
1555	>	checkCompletedExceptionally(f, ex);
1556	>	for (IncFunction r : rs) r.assertNotInvoked();
1557		}}
1558
1559		/**
#	Line 1202 \| Line 1561 \| public class CompletableFutureTest exten
1561		*/
1562		public void testThenApply_sourceCancelled() {
1563		for (ExecutionMode m : ExecutionMode.values())
1205	–	for (boolean createIncomplete : new boolean[] { true, false })
1564		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1565		{
1566		final CompletableFuture<Integer> f = new CompletableFuture<>();
1567	<	final IncFunction r = new IncFunction(m);
1568	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1211	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1212	<	if (createIncomplete) {
1213	<	checkIncomplete(g);
1214	<	assertTrue(f.cancel(mayInterruptIfRunning));
1215	<	}
1567	>	final IncFunction[] rs = new IncFunction[4];
1568	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1569
1570	<	checkCompletedWithWrappedCancellationException(g);
1570	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1571	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1572	>	assertTrue(f.cancel(mayInterruptIfRunning));
1573	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1574	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1575	>
1576	>	checkCompletedWithWrappedCancellationException(h0);
1577	>	checkCompletedWithWrappedCancellationException(h1);
1578	>	checkCompletedWithWrappedCancellationException(h2);
1579	>	checkCompletedWithWrappedCancellationException(h3);
1580		checkCancelled(f);
1581	<	r.assertNotInvoked();
1581	>	for (IncFunction r : rs) r.assertNotInvoked();
1582		}}
1583
1584		/**
#	Line 1224 \| Line 1586 \| public class CompletableFutureTest exten
1586		*/
1587		public void testThenApply_actionFailed() {
1588		for (ExecutionMode m : ExecutionMode.values())
1227	–	for (boolean createIncomplete : new boolean[] { true, false })
1589		for (Integer v1 : new Integer[] { 1, null })
1590		{
1591		final CompletableFuture<Integer> f = new CompletableFuture<>();
1592	<	final FailingFunction r = new FailingFunction(m);
1593	<	if (!createIncomplete) f.complete(v1);
1233	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1234	<	if (createIncomplete) {
1235	<	checkIncomplete(g);
1236	<	f.complete(v1);
1237	<	}
1592	>	final FailingFunction[] rs = new FailingFunction[4];
1593	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1594
1595	<	checkCompletedWithWrappedCFException(g);
1595	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1596	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1597	>	assertTrue(f.complete(v1));
1598	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1599	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1600	>
1601	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1602	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1603	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1604	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1605		checkCompletedNormally(f, v1);
1606		}}
1607
#	Line 1245 \| Line 1610 \| public class CompletableFutureTest exten
1610		*/
1611		public void testThenAccept_normalCompletion() {
1612		for (ExecutionMode m : ExecutionMode.values())
1248	–	for (boolean createIncomplete : new boolean[] { true, false })
1613		for (Integer v1 : new Integer[] { 1, null })
1614		{
1615		final CompletableFuture<Integer> f = new CompletableFuture<>();
1616	<	final NoopConsumer r = new NoopConsumer(m);
1617	<	if (!createIncomplete) f.complete(v1);
1254	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1255	<	if (createIncomplete) {
1256	<	checkIncomplete(g);
1257	<	f.complete(v1);
1258	<	}
1616	>	final NoopConsumer[] rs = new NoopConsumer[4];
1617	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1618
1619	<	checkCompletedNormally(g, null);
1620	<	r.assertValue(v1);
1619	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1620	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1621	>	checkIncomplete(h0);
1622	>	checkIncomplete(h1);
1623	>	assertTrue(f.complete(v1));
1624	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1625	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1626	>
1627	>	checkCompletedNormally(h0, null);
1628	>	checkCompletedNormally(h1, null);
1629	>	checkCompletedNormally(h2, null);
1630	>	checkCompletedNormally(h3, null);
1631		checkCompletedNormally(f, v1);
1632	+	for (NoopConsumer r : rs) r.assertValue(v1);
1633		}}
1634
1635		/**
#	Line 1268 \| Line 1638 \| public class CompletableFutureTest exten
1638		*/
1639		public void testThenAccept_exceptionalCompletion() {
1640		for (ExecutionMode m : ExecutionMode.values())
1271	–	for (boolean createIncomplete : new boolean[] { true, false })
1641		{
1642		final CFException ex = new CFException();
1643		final CompletableFuture<Integer> f = new CompletableFuture<>();
1644	<	final NoopConsumer r = new NoopConsumer(m);
1645	<	if (!createIncomplete) f.completeExceptionally(ex);
1277	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1278	<	if (createIncomplete) {
1279	<	checkIncomplete(g);
1280	<	f.completeExceptionally(ex);
1281	<	}
1644	>	final NoopConsumer[] rs = new NoopConsumer[4];
1645	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1646
1647	<	checkCompletedWithWrappedCFException(g, ex);
1648	<	checkCompletedWithWrappedCFException(f, ex);
1649	<	r.assertNotInvoked();
1647	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1648	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1649	>	assertTrue(f.completeExceptionally(ex));
1650	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1651	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1652	>
1653	>	checkCompletedWithWrappedException(h0, ex);
1654	>	checkCompletedWithWrappedException(h1, ex);
1655	>	checkCompletedWithWrappedException(h2, ex);
1656	>	checkCompletedWithWrappedException(h3, ex);
1657	>	checkCompletedExceptionally(f, ex);
1658	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1659		}}
1660
1661		/**
#	Line 1290 \| Line 1663 \| public class CompletableFutureTest exten
1663		*/
1664		public void testThenAccept_sourceCancelled() {
1665		for (ExecutionMode m : ExecutionMode.values())
1293	–	for (boolean createIncomplete : new boolean[] { true, false })
1666		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1667		{
1668		final CompletableFuture<Integer> f = new CompletableFuture<>();
1669	<	final NoopConsumer r = new NoopConsumer(m);
1670	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1299	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1300	<	if (createIncomplete) {
1301	<	checkIncomplete(g);
1302	<	assertTrue(f.cancel(mayInterruptIfRunning));
1303	<	}
1669	>	final NoopConsumer[] rs = new NoopConsumer[4];
1670	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1671
1672	<	checkCompletedWithWrappedCancellationException(g);
1672	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1673	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1674	>	assertTrue(f.cancel(mayInterruptIfRunning));
1675	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1676	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1677	>
1678	>	checkCompletedWithWrappedCancellationException(h0);
1679	>	checkCompletedWithWrappedCancellationException(h1);
1680	>	checkCompletedWithWrappedCancellationException(h2);
1681	>	checkCompletedWithWrappedCancellationException(h3);
1682		checkCancelled(f);
1683	<	r.assertNotInvoked();
1683	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1684		}}
1685
1686		/**
#	Line 1312 \| Line 1688 \| public class CompletableFutureTest exten
1688		*/
1689		public void testThenAccept_actionFailed() {
1690		for (ExecutionMode m : ExecutionMode.values())
1315	–	for (boolean createIncomplete : new boolean[] { true, false })
1691		for (Integer v1 : new Integer[] { 1, null })
1692		{
1693		final CompletableFuture<Integer> f = new CompletableFuture<>();
1694	<	final FailingConsumer r = new FailingConsumer(m);
1695	<	if (!createIncomplete) f.complete(v1);
1321	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1322	<	if (createIncomplete) {
1323	<	checkIncomplete(g);
1324	<	f.complete(v1);
1325	<	}
1694	>	final FailingConsumer[] rs = new FailingConsumer[4];
1695	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1696
1697	<	checkCompletedWithWrappedCFException(g);
1697	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1698	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1699	>	assertTrue(f.complete(v1));
1700	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1701	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1702	>
1703	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1704	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1705	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1706	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1707		checkCompletedNormally(f, v1);
1708		}}
1709
#	Line 1334 \| Line 1713 \| public class CompletableFutureTest exten
1713		*/
1714		public void testThenCombine_normalCompletion() {
1715		for (ExecutionMode m : ExecutionMode.values())
1337	–	for (boolean createIncomplete : new boolean[] { true, false })
1716		for (boolean fFirst : new boolean[] { true, false })
1717		for (Integer v1 : new Integer[] { 1, null })
1718		for (Integer v2 : new Integer[] { 2, null })
1719		{
1720		final CompletableFuture<Integer> f = new CompletableFuture<>();
1721		final CompletableFuture<Integer> g = new CompletableFuture<>();
1722	<	final SubtractFunction r = new SubtractFunction(m);
1722	>	final SubtractFunction[] rs = new SubtractFunction[6];
1723	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1724
1725	<	if (fFirst) f.complete(v1); else g.complete(v2);
1726	<	if (!createIncomplete)
1727	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1728	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1729	<	if (createIncomplete) {
1730	<	checkIncomplete(h);
1731	<	r.assertNotInvoked();
1732	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1733	<	}
1725	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1726	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1727	>	final Integer w1 = fFirst ? v1 : v2;
1728	>	final Integer w2 = !fFirst ? v1 : v2;
1729	>
1730	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1731	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1732	>	assertTrue(fst.complete(w1));
1733	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1734	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1735	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1736	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1737	>	checkCompletedNormally(h1, subtract(w1, w1));
1738	>	checkCompletedNormally(h3, subtract(w1, w1));
1739	>	rs[1].assertValue(subtract(w1, w1));
1740	>	rs[3].assertValue(subtract(w1, w1));
1741	>	assertTrue(snd.complete(w2));
1742	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1743	>
1744	>	checkCompletedNormally(h0, subtract(v1, v2));
1745	>	checkCompletedNormally(h2, subtract(v1, v2));
1746	>	checkCompletedNormally(h4, subtract(v1, v2));
1747	>	rs[0].assertValue(subtract(v1, v2));
1748	>	rs[2].assertValue(subtract(v1, v2));
1749	>	rs[4].assertValue(subtract(v1, v2));
1750
1356	–	checkCompletedNormally(h, subtract(v1, v2));
1751		checkCompletedNormally(f, v1);
1752		checkCompletedNormally(g, v2);
1359	–	r.assertInvoked();
1753		}}
1754
1755		/**
1756		* thenCombine result completes exceptionally after exceptional
1757		* completion of either source
1758		*/
1759	<	public void testThenCombine_exceptionalCompletion() {
1759	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1760		for (ExecutionMode m : ExecutionMode.values())
1368	–	for (boolean createIncomplete : new boolean[] { true, false })
1761		for (boolean fFirst : new boolean[] { true, false })
1762	+	for (boolean failFirst : new boolean[] { true, false })
1763		for (Integer v1 : new Integer[] { 1, null })
1764		{
1765		final CompletableFuture<Integer> f = new CompletableFuture<>();
1766		final CompletableFuture<Integer> g = new CompletableFuture<>();
1767		final CFException ex = new CFException();
1768	<	final SubtractFunction r = new SubtractFunction(m);
1769	<
1770	<	(fFirst ? f : g).complete(v1);
1771	<	if (!createIncomplete)
1772	<	(!fFirst ? f : g).completeExceptionally(ex);
1773	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1774	<	if (createIncomplete) {
1775	<	checkIncomplete(h);
1776	<	(!fFirst ? f : g).completeExceptionally(ex);
1777	<	}
1778	<
1779	<	checkCompletedWithWrappedCFException(h, ex);
1780	<	r.assertNotInvoked();
1781	<	checkCompletedNormally(fFirst ? f : g, v1);
1782	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1768	>	final SubtractFunction r1 = new SubtractFunction(m);
1769	>	final SubtractFunction r2 = new SubtractFunction(m);
1770	>	final SubtractFunction r3 = new SubtractFunction(m);
1771	>
1772	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1773	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1774	>	final Callable<Boolean> complete1 = failFirst ?
1775	>	() -> fst.completeExceptionally(ex) :
1776	>	() -> fst.complete(v1);
1777	>	final Callable<Boolean> complete2 = failFirst ?
1778	>	() -> snd.complete(v1) :
1779	>	() -> snd.completeExceptionally(ex);
1780	>
1781	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1782	>	assertTrue(complete1.call());
1783	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1784	>	checkIncomplete(h1);
1785	>	checkIncomplete(h2);
1786	>	assertTrue(complete2.call());
1787	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1788	>
1789	>	checkCompletedWithWrappedException(h1, ex);
1790	>	checkCompletedWithWrappedException(h2, ex);
1791	>	checkCompletedWithWrappedException(h3, ex);
1792	>	r1.assertNotInvoked();
1793	>	r2.assertNotInvoked();
1794	>	r3.assertNotInvoked();
1795	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1796	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1797		}}
1798
1799		/**
1800		* thenCombine result completes exceptionally if either source cancelled
1801		*/
1802	<	public void testThenCombine_sourceCancelled() {
1802	>	public void testThenCombine_sourceCancelled() throws Throwable {
1803		for (ExecutionMode m : ExecutionMode.values())
1804		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1398	–	for (boolean createIncomplete : new boolean[] { true, false })
1805		for (boolean fFirst : new boolean[] { true, false })
1806	+	for (boolean failFirst : new boolean[] { true, false })
1807		for (Integer v1 : new Integer[] { 1, null })
1808		{
1809		final CompletableFuture<Integer> f = new CompletableFuture<>();
1810		final CompletableFuture<Integer> g = new CompletableFuture<>();
1811	<	final SubtractFunction r = new SubtractFunction(m);
1812	<
1813	<	(fFirst ? f : g).complete(v1);
1814	<	if (!createIncomplete)
1815	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1816	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1817	<	if (createIncomplete) {
1818	<	checkIncomplete(h);
1819	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1820	<	}
1811	>	final SubtractFunction r1 = new SubtractFunction(m);
1812	>	final SubtractFunction r2 = new SubtractFunction(m);
1813	>	final SubtractFunction r3 = new SubtractFunction(m);
1814	>
1815	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1816	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1817	>	final Callable<Boolean> complete1 = failFirst ?
1818	>	() -> fst.cancel(mayInterruptIfRunning) :
1819	>	() -> fst.complete(v1);
1820	>	final Callable<Boolean> complete2 = failFirst ?
1821	>	() -> snd.complete(v1) :
1822	>	() -> snd.cancel(mayInterruptIfRunning);
1823	>
1824	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1825	>	assertTrue(complete1.call());
1826	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1827	>	checkIncomplete(h1);
1828	>	checkIncomplete(h2);
1829	>	assertTrue(complete2.call());
1830	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1831
1832	<	checkCompletedWithWrappedCancellationException(h);
1833	<	checkCancelled(!fFirst ? f : g);
1834	<	r.assertNotInvoked();
1835	<	checkCompletedNormally(fFirst ? f : g, v1);
1832	>	checkCompletedWithWrappedCancellationException(h1);
1833	>	checkCompletedWithWrappedCancellationException(h2);
1834	>	checkCompletedWithWrappedCancellationException(h3);
1835	>	r1.assertNotInvoked();
1836	>	r2.assertNotInvoked();
1837	>	r3.assertNotInvoked();
1838	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1839	>	checkCancelled(failFirst ? fst : snd);
1840		}}
1841
1842		/**
#	Line 1429 \| Line 1850 \| public class CompletableFutureTest exten
1850		{
1851		final CompletableFuture<Integer> f = new CompletableFuture<>();
1852		final CompletableFuture<Integer> g = new CompletableFuture<>();
1853	<	final FailingBiFunction r = new FailingBiFunction(m);
1854	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1855	<
1856	<	if (fFirst) {
1857	<	f.complete(v1);
1858	<	g.complete(v2);
1859	<	} else {
1860	<	g.complete(v2);
1861	<	f.complete(v1);
1862	<	}
1863	<
1864	<	checkCompletedWithWrappedCFException(h);
1853	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1854	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1855	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1856	>
1857	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1858	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1859	>	final Integer w1 = fFirst ? v1 : v2;
1860	>	final Integer w2 = !fFirst ? v1 : v2;
1861	>
1862	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1863	>	assertTrue(fst.complete(w1));
1864	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1865	>	assertTrue(snd.complete(w2));
1866	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1867	>
1868	>	checkCompletedWithWrappedException(h1, r1.ex);
1869	>	checkCompletedWithWrappedException(h2, r2.ex);
1870	>	checkCompletedWithWrappedException(h3, r3.ex);
1871	>	r1.assertInvoked();
1872	>	r2.assertInvoked();
1873	>	r3.assertInvoked();
1874		checkCompletedNormally(f, v1);
1875		checkCompletedNormally(g, v2);
1876		}}
#	Line 1451 \| Line 1881 \| public class CompletableFutureTest exten
1881		*/
1882		public void testThenAcceptBoth_normalCompletion() {
1883		for (ExecutionMode m : ExecutionMode.values())
1454	–	for (boolean createIncomplete : new boolean[] { true, false })
1884		for (boolean fFirst : new boolean[] { true, false })
1885		for (Integer v1 : new Integer[] { 1, null })
1886		for (Integer v2 : new Integer[] { 2, null })
1887		{
1888		final CompletableFuture<Integer> f = new CompletableFuture<>();
1889		final CompletableFuture<Integer> g = new CompletableFuture<>();
1890	<	final SubtractAction r = new SubtractAction(m);
1891	<
1892	<	if (fFirst) f.complete(v1); else g.complete(v2);
1893	<	if (!createIncomplete)
1894	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1895	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1896	<	if (createIncomplete) {
1897	<	checkIncomplete(h);
1898	<	r.assertNotInvoked();
1899	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1900	<	}
1890	>	final SubtractAction r1 = new SubtractAction(m);
1891	>	final SubtractAction r2 = new SubtractAction(m);
1892	>	final SubtractAction r3 = new SubtractAction(m);
1893	>
1894	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1895	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1896	>	final Integer w1 = fFirst ? v1 : v2;
1897	>	final Integer w2 = !fFirst ? v1 : v2;
1898	>
1899	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1900	>	assertTrue(fst.complete(w1));
1901	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1902	>	checkIncomplete(h1);
1903	>	checkIncomplete(h2);
1904	>	r1.assertNotInvoked();
1905	>	r2.assertNotInvoked();
1906	>	assertTrue(snd.complete(w2));
1907	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1908
1909	<	checkCompletedNormally(h, null);
1910	<	r.assertValue(subtract(v1, v2));
1909	>	checkCompletedNormally(h1, null);
1910	>	checkCompletedNormally(h2, null);
1911	>	checkCompletedNormally(h3, null);
1912	>	r1.assertValue(subtract(v1, v2));
1913	>	r2.assertValue(subtract(v1, v2));
1914	>	r3.assertValue(subtract(v1, v2));
1915		checkCompletedNormally(f, v1);
1916		checkCompletedNormally(g, v2);
1917		}}
#	Line 1480 \| Line 1920 \| public class CompletableFutureTest exten
1920		* thenAcceptBoth result completes exceptionally after exceptional
1921		* completion of either source
1922		*/
1923	<	public void testThenAcceptBoth_exceptionalCompletion() {
1923	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1924		for (ExecutionMode m : ExecutionMode.values())
1485	–	for (boolean createIncomplete : new boolean[] { true, false })
1925		for (boolean fFirst : new boolean[] { true, false })
1926	+	for (boolean failFirst : new boolean[] { true, false })
1927		for (Integer v1 : new Integer[] { 1, null })
1928		{
1929		final CompletableFuture<Integer> f = new CompletableFuture<>();
1930		final CompletableFuture<Integer> g = new CompletableFuture<>();
1931		final CFException ex = new CFException();
1932	<	final SubtractAction r = new SubtractAction(m);
1933	<
1934	<	(fFirst ? f : g).complete(v1);
1935	<	if (!createIncomplete)
1936	<	(!fFirst ? f : g).completeExceptionally(ex);
1937	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1938	<	if (createIncomplete) {
1939	<	checkIncomplete(h);
1940	<	(!fFirst ? f : g).completeExceptionally(ex);
1941	<	}
1942	<
1943	<	checkCompletedWithWrappedCFException(h, ex);
1944	<	r.assertNotInvoked();
1945	<	checkCompletedNormally(fFirst ? f : g, v1);
1946	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1932	>	final SubtractAction r1 = new SubtractAction(m);
1933	>	final SubtractAction r2 = new SubtractAction(m);
1934	>	final SubtractAction r3 = new SubtractAction(m);
1935	>
1936	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1937	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1938	>	final Callable<Boolean> complete1 = failFirst ?
1939	>	() -> fst.completeExceptionally(ex) :
1940	>	() -> fst.complete(v1);
1941	>	final Callable<Boolean> complete2 = failFirst ?
1942	>	() -> snd.complete(v1) :
1943	>	() -> snd.completeExceptionally(ex);
1944	>
1945	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1946	>	assertTrue(complete1.call());
1947	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1948	>	checkIncomplete(h1);
1949	>	checkIncomplete(h2);
1950	>	assertTrue(complete2.call());
1951	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1952	>
1953	>	checkCompletedWithWrappedException(h1, ex);
1954	>	checkCompletedWithWrappedException(h2, ex);
1955	>	checkCompletedWithWrappedException(h3, ex);
1956	>	r1.assertNotInvoked();
1957	>	r2.assertNotInvoked();
1958	>	r3.assertNotInvoked();
1959	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1960	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1961		}}
1962
1963		/**
1964		* thenAcceptBoth result completes exceptionally if either source cancelled
1965		*/
1966	<	public void testThenAcceptBoth_sourceCancelled() {
1966	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1967		for (ExecutionMode m : ExecutionMode.values())
1968		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1515	–	for (boolean createIncomplete : new boolean[] { true, false })
1969		for (boolean fFirst : new boolean[] { true, false })
1970	+	for (boolean failFirst : new boolean[] { true, false })
1971		for (Integer v1 : new Integer[] { 1, null })
1972		{
1973		final CompletableFuture<Integer> f = new CompletableFuture<>();
1974		final CompletableFuture<Integer> g = new CompletableFuture<>();
1975	<	final SubtractAction r = new SubtractAction(m);
1976	<
1977	<	(fFirst ? f : g).complete(v1);
1978	<	if (!createIncomplete)
1979	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1980	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1981	<	if (createIncomplete) {
1982	<	checkIncomplete(h);
1983	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1984	<	}
1975	>	final SubtractAction r1 = new SubtractAction(m);
1976	>	final SubtractAction r2 = new SubtractAction(m);
1977	>	final SubtractAction r3 = new SubtractAction(m);
1978	>
1979	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1980	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1981	>	final Callable<Boolean> complete1 = failFirst ?
1982	>	() -> fst.cancel(mayInterruptIfRunning) :
1983	>	() -> fst.complete(v1);
1984	>	final Callable<Boolean> complete2 = failFirst ?
1985	>	() -> snd.complete(v1) :
1986	>	() -> snd.cancel(mayInterruptIfRunning);
1987	>
1988	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1989	>	assertTrue(complete1.call());
1990	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1991	>	checkIncomplete(h1);
1992	>	checkIncomplete(h2);
1993	>	assertTrue(complete2.call());
1994	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1995
1996	<	checkCompletedWithWrappedCancellationException(h);
1997	<	checkCancelled(!fFirst ? f : g);
1998	<	r.assertNotInvoked();
1999	<	checkCompletedNormally(fFirst ? f : g, v1);
1996	>	checkCompletedWithWrappedCancellationException(h1);
1997	>	checkCompletedWithWrappedCancellationException(h2);
1998	>	checkCompletedWithWrappedCancellationException(h3);
1999	>	r1.assertNotInvoked();
2000	>	r2.assertNotInvoked();
2001	>	r3.assertNotInvoked();
2002	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2003	>	checkCancelled(failFirst ? fst : snd);
2004		}}
2005
2006		/**
#	Line 1546 \| Line 2014 \| public class CompletableFutureTest exten
2014		{
2015		final CompletableFuture<Integer> f = new CompletableFuture<>();
2016		final CompletableFuture<Integer> g = new CompletableFuture<>();
2017	<	final FailingBiConsumer r = new FailingBiConsumer(m);
2018	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2019	<
2020	<	if (fFirst) {
2021	<	f.complete(v1);
2022	<	g.complete(v2);
2023	<	} else {
2024	<	g.complete(v2);
2025	<	f.complete(v1);
2026	<	}
2027	<
2028	<	checkCompletedWithWrappedCFException(h);
2017	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2018	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2019	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2020	>
2021	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2022	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2023	>	final Integer w1 = fFirst ? v1 : v2;
2024	>	final Integer w2 = !fFirst ? v1 : v2;
2025	>
2026	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2027	>	assertTrue(fst.complete(w1));
2028	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2029	>	assertTrue(snd.complete(w2));
2030	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2031	>
2032	>	checkCompletedWithWrappedException(h1, r1.ex);
2033	>	checkCompletedWithWrappedException(h2, r2.ex);
2034	>	checkCompletedWithWrappedException(h3, r3.ex);
2035	>	r1.assertInvoked();
2036	>	r2.assertInvoked();
2037	>	r3.assertInvoked();
2038		checkCompletedNormally(f, v1);
2039		checkCompletedNormally(g, v2);
2040		}}
#	Line 1568 \| Line 2045 \| public class CompletableFutureTest exten
2045		*/
2046		public void testRunAfterBoth_normalCompletion() {
2047		for (ExecutionMode m : ExecutionMode.values())
1571	–	for (boolean createIncomplete : new boolean[] { true, false })
2048		for (boolean fFirst : new boolean[] { true, false })
2049		for (Integer v1 : new Integer[] { 1, null })
2050		for (Integer v2 : new Integer[] { 2, null })
2051		{
2052		final CompletableFuture<Integer> f = new CompletableFuture<>();
2053		final CompletableFuture<Integer> g = new CompletableFuture<>();
2054	<	final Noop r = new Noop(m);
2055	<
2056	<	if (fFirst) f.complete(v1); else g.complete(v2);
2057	<	if (!createIncomplete)
2058	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2059	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2060	<	if (createIncomplete) {
2061	<	checkIncomplete(h);
2062	<	r.assertNotInvoked();
2063	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2064	<	}
2054	>	final Noop r1 = new Noop(m);
2055	>	final Noop r2 = new Noop(m);
2056	>	final Noop r3 = new Noop(m);
2057	>
2058	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2059	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2060	>	final Integer w1 = fFirst ? v1 : v2;
2061	>	final Integer w2 = !fFirst ? v1 : v2;
2062	>
2063	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2064	>	assertTrue(fst.complete(w1));
2065	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2066	>	checkIncomplete(h1);
2067	>	checkIncomplete(h2);
2068	>	r1.assertNotInvoked();
2069	>	r2.assertNotInvoked();
2070	>	assertTrue(snd.complete(w2));
2071	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2072
2073	<	checkCompletedNormally(h, null);
2074	<	r.assertInvoked();
2073	>	checkCompletedNormally(h1, null);
2074	>	checkCompletedNormally(h2, null);
2075	>	checkCompletedNormally(h3, null);
2076	>	r1.assertInvoked();
2077	>	r2.assertInvoked();
2078	>	r3.assertInvoked();
2079		checkCompletedNormally(f, v1);
2080		checkCompletedNormally(g, v2);
2081		}}
#	Line 1597 \| Line 2084 \| public class CompletableFutureTest exten
2084		* runAfterBoth result completes exceptionally after exceptional
2085		* completion of either source
2086		*/
2087	<	public void testRunAfterBoth_exceptionalCompletion() {
2087	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2088		for (ExecutionMode m : ExecutionMode.values())
1602	–	for (boolean createIncomplete : new boolean[] { true, false })
2089		for (boolean fFirst : new boolean[] { true, false })
2090	+	for (boolean failFirst : new boolean[] { true, false })
2091		for (Integer v1 : new Integer[] { 1, null })
2092		{
2093		final CompletableFuture<Integer> f = new CompletableFuture<>();
2094		final CompletableFuture<Integer> g = new CompletableFuture<>();
2095		final CFException ex = new CFException();
2096	<	final Noop r = new Noop(m);
2097	<
2098	<	(fFirst ? f : g).complete(v1);
2099	<	if (!createIncomplete)
2100	<	(!fFirst ? f : g).completeExceptionally(ex);
2101	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2102	<	if (createIncomplete) {
2103	<	checkIncomplete(h);
2104	<	(!fFirst ? f : g).completeExceptionally(ex);
2105	<	}
2106	<
2107	<	checkCompletedWithWrappedCFException(h, ex);
2108	<	r.assertNotInvoked();
2109	<	checkCompletedNormally(fFirst ? f : g, v1);
2110	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2096	>	final Noop r1 = new Noop(m);
2097	>	final Noop r2 = new Noop(m);
2098	>	final Noop r3 = new Noop(m);
2099	>
2100	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2101	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2102	>	final Callable<Boolean> complete1 = failFirst ?
2103	>	() -> fst.completeExceptionally(ex) :
2104	>	() -> fst.complete(v1);
2105	>	final Callable<Boolean> complete2 = failFirst ?
2106	>	() -> snd.complete(v1) :
2107	>	() -> snd.completeExceptionally(ex);
2108	>
2109	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2110	>	assertTrue(complete1.call());
2111	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2112	>	checkIncomplete(h1);
2113	>	checkIncomplete(h2);
2114	>	assertTrue(complete2.call());
2115	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2116	>
2117	>	checkCompletedWithWrappedException(h1, ex);
2118	>	checkCompletedWithWrappedException(h2, ex);
2119	>	checkCompletedWithWrappedException(h3, ex);
2120	>	r1.assertNotInvoked();
2121	>	r2.assertNotInvoked();
2122	>	r3.assertNotInvoked();
2123	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2124	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2125		}}
2126
2127		/**
2128		* runAfterBoth result completes exceptionally if either source cancelled
2129		*/
2130	<	public void testRunAfterBoth_sourceCancelled() {
2130	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2131		for (ExecutionMode m : ExecutionMode.values())
2132		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1632	–	for (boolean createIncomplete : new boolean[] { true, false })
2133		for (boolean fFirst : new boolean[] { true, false })
2134	+	for (boolean failFirst : new boolean[] { true, false })
2135		for (Integer v1 : new Integer[] { 1, null })
2136		{
2137		final CompletableFuture<Integer> f = new CompletableFuture<>();
2138		final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	<	final Noop r = new Noop(m);
2140	<
2141	<
2142	<	(fFirst ? f : g).complete(v1);
2143	<	if (!createIncomplete)
2144	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2145	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2146	<	if (createIncomplete) {
2147	<	checkIncomplete(h);
2148	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2149	<	}
2139	>	final Noop r1 = new Noop(m);
2140	>	final Noop r2 = new Noop(m);
2141	>	final Noop r3 = new Noop(m);
2142	>
2143	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2144	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2145	>	final Callable<Boolean> complete1 = failFirst ?
2146	>	() -> fst.cancel(mayInterruptIfRunning) :
2147	>	() -> fst.complete(v1);
2148	>	final Callable<Boolean> complete2 = failFirst ?
2149	>	() -> snd.complete(v1) :
2150	>	() -> snd.cancel(mayInterruptIfRunning);
2151	>
2152	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2153	>	assertTrue(complete1.call());
2154	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2155	>	checkIncomplete(h1);
2156	>	checkIncomplete(h2);
2157	>	assertTrue(complete2.call());
2158	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2159
2160	<	checkCompletedWithWrappedCancellationException(h);
2161	<	checkCancelled(!fFirst ? f : g);
2162	<	r.assertNotInvoked();
2163	<	checkCompletedNormally(fFirst ? f : g, v1);
2160	>	checkCompletedWithWrappedCancellationException(h1);
2161	>	checkCompletedWithWrappedCancellationException(h2);
2162	>	checkCompletedWithWrappedCancellationException(h3);
2163	>	r1.assertNotInvoked();
2164	>	r2.assertNotInvoked();
2165	>	r3.assertNotInvoked();
2166	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2167	>	checkCancelled(failFirst ? fst : snd);
2168		}}
2169
2170		/**
#	Line 1666 \| Line 2180 \| public class CompletableFutureTest exten
2180		final CompletableFuture<Integer> g = new CompletableFuture<>();
2181		final FailingRunnable r1 = new FailingRunnable(m);
2182		final FailingRunnable r2 = new FailingRunnable(m);
2183	+	final FailingRunnable r3 = new FailingRunnable(m);
2184
2185	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2186	<	if (fFirst) {
2187	<	f.complete(v1);
2188	<	g.complete(v2);
2189	<	} else {
2190	<	g.complete(v2);
2191	<	f.complete(v1);
2192	<	}
2193	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2194	<
2195	<	checkCompletedWithWrappedCFException(h1);
2196	<	checkCompletedWithWrappedCFException(h2);
2185	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2186	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2187	>	final Integer w1 = fFirst ? v1 : v2;
2188	>	final Integer w2 = !fFirst ? v1 : v2;
2189	>
2190	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2191	>	assertTrue(fst.complete(w1));
2192	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2193	>	assertTrue(snd.complete(w2));
2194	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2195	>
2196	>	checkCompletedWithWrappedException(h1, r1.ex);
2197	>	checkCompletedWithWrappedException(h2, r2.ex);
2198	>	checkCompletedWithWrappedException(h3, r3.ex);
2199	>	r1.assertInvoked();
2200	>	r2.assertInvoked();
2201	>	r3.assertInvoked();
2202		checkCompletedNormally(f, v1);
2203		checkCompletedNormally(g, v2);
2204		}}
#	Line 1752 \| Line 2272 \| public class CompletableFutureTest exten
2272		rs[0].assertNotInvoked();
2273		rs[1].assertNotInvoked();
2274		f.completeExceptionally(ex);
2275	<	checkCompletedWithWrappedCFException(h0, ex);
2276	<	checkCompletedWithWrappedCFException(h1, ex);
2275	>	checkCompletedWithWrappedException(h0, ex);
2276	>	checkCompletedWithWrappedException(h1, ex);
2277		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2278		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2279	<	checkCompletedWithWrappedCFException(h2, ex);
2280	<	checkCompletedWithWrappedCFException(h3, ex);
2279	>	checkCompletedWithWrappedException(h2, ex);
2280	>	checkCompletedWithWrappedException(h3, ex);
2281		g.complete(v1);
2282
2283		// unspecified behavior - both source completions available
#	Line 1767 \| Line 2287 \| public class CompletableFutureTest exten
2287		assertEquals(inc(v1), h4.join());
2288		rs[4].assertValue(inc(v1));
2289		} catch (CompletionException ok) {
2290	<	checkCompletedWithWrappedCFException(h4, ex);
2290	>	checkCompletedWithWrappedException(h4, ex);
2291		rs[4].assertNotInvoked();
2292		}
2293		try {
2294		assertEquals(inc(v1), h5.join());
2295		rs[5].assertValue(inc(v1));
2296		} catch (CompletionException ok) {
2297	<	checkCompletedWithWrappedCFException(h5, ex);
2297	>	checkCompletedWithWrappedException(h5, ex);
2298		rs[5].assertNotInvoked();
2299		}
2300
2301	<	checkCompletedWithWrappedCFException(f, ex);
2301	>	checkCompletedExceptionally(f, ex);
2302		checkCompletedNormally(g, v1);
2303	<	checkCompletedWithWrappedCFException(h0, ex);
2304	<	checkCompletedWithWrappedCFException(h1, ex);
2305	<	checkCompletedWithWrappedCFException(h2, ex);
2306	<	checkCompletedWithWrappedCFException(h3, ex);
2307	<	checkCompletedWithWrappedCFException(h4, ex);
2303	>	checkCompletedWithWrappedException(h0, ex);
2304	>	checkCompletedWithWrappedException(h1, ex);
2305	>	checkCompletedWithWrappedException(h2, ex);
2306	>	checkCompletedWithWrappedException(h3, ex);
2307	>	checkCompletedWithWrappedException(h4, ex);
2308		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2309		}}
2310
#	Line 1801 \| Line 2321 \| public class CompletableFutureTest exten
2321
2322		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2323		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2324	<	if (fFirst) {
2325	<	f.complete(v1);
1806	<	g.completeExceptionally(ex);
1807	<	} else {
1808	<	g.completeExceptionally(ex);
1809	<	f.complete(v1);
1810	<	}
2324	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2325	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2326		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2327		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2328
#	Line 1816 \| Line 2331 \| public class CompletableFutureTest exten
2331		assertEquals(inc(v1), h0.join());
2332		rs[0].assertValue(inc(v1));
2333		} catch (CompletionException ok) {
2334	<	checkCompletedWithWrappedCFException(h0, ex);
2334	>	checkCompletedWithWrappedException(h0, ex);
2335		rs[0].assertNotInvoked();
2336		}
2337		try {
2338		assertEquals(inc(v1), h1.join());
2339		rs[1].assertValue(inc(v1));
2340		} catch (CompletionException ok) {
2341	<	checkCompletedWithWrappedCFException(h1, ex);
2341	>	checkCompletedWithWrappedException(h1, ex);
2342		rs[1].assertNotInvoked();
2343		}
2344		try {
2345		assertEquals(inc(v1), h2.join());
2346		rs[2].assertValue(inc(v1));
2347		} catch (CompletionException ok) {
2348	<	checkCompletedWithWrappedCFException(h2, ex);
2348	>	checkCompletedWithWrappedException(h2, ex);
2349		rs[2].assertNotInvoked();
2350		}
2351		try {
2352		assertEquals(inc(v1), h3.join());
2353		rs[3].assertValue(inc(v1));
2354		} catch (CompletionException ok) {
2355	<	checkCompletedWithWrappedCFException(h3, ex);
2355	>	checkCompletedWithWrappedException(h3, ex);
2356		rs[3].assertNotInvoked();
2357		}
2358
2359		checkCompletedNormally(f, v1);
2360	<	checkCompletedWithWrappedCFException(g, ex);
2360	>	checkCompletedExceptionally(g, ex);
2361		}}
2362
2363		/**
#	Line 1913 \| Line 2428 \| public class CompletableFutureTest exten
2428
2429		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2430		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2431	<	if (fFirst) {
2432	<	f.complete(v1);
1918	<	g.cancel(mayInterruptIfRunning);
1919	<	} else {
1920	<	g.cancel(mayInterruptIfRunning);
1921	<	f.complete(v1);
1922	<	}
2431	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2432	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2433		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2434		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2435
#	Line 1975 \| Line 2485 \| public class CompletableFutureTest exten
2485		f.complete(v1);
2486		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2487		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2488	<	checkCompletedWithWrappedCFException(h0);
2489	<	checkCompletedWithWrappedCFException(h1);
2490	<	checkCompletedWithWrappedCFException(h2);
2491	<	checkCompletedWithWrappedCFException(h3);
2488	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2489	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2490	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2491	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2492		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2493
2494		g.complete(v2);
#	Line 1987 \| Line 2497 \| public class CompletableFutureTest exten
2497		final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2498		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2499
2500	<	checkCompletedWithWrappedCFException(h4);
2500	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2501		assertTrue(Objects.equals(v1, rs[4].value) \|\|
2502		Objects.equals(v2, rs[4].value));
2503	<	checkCompletedWithWrappedCFException(h5);
2503	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2504		assertTrue(Objects.equals(v1, rs[5].value) \|\|
2505		Objects.equals(v2, rs[5].value));
2506
#	Line 2071 \| Line 2581 \| public class CompletableFutureTest exten
2581		rs[0].assertNotInvoked();
2582		rs[1].assertNotInvoked();
2583		f.completeExceptionally(ex);
2584	<	checkCompletedWithWrappedCFException(h0, ex);
2585	<	checkCompletedWithWrappedCFException(h1, ex);
2584	>	checkCompletedWithWrappedException(h0, ex);
2585	>	checkCompletedWithWrappedException(h1, ex);
2586		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2587		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2588	<	checkCompletedWithWrappedCFException(h2, ex);
2589	<	checkCompletedWithWrappedCFException(h3, ex);
2588	>	checkCompletedWithWrappedException(h2, ex);
2589	>	checkCompletedWithWrappedException(h3, ex);
2590
2591		g.complete(v1);
2592
#	Line 2087 \| Line 2597 \| public class CompletableFutureTest exten
2597		assertNull(h4.join());
2598		rs[4].assertValue(v1);
2599		} catch (CompletionException ok) {
2600	<	checkCompletedWithWrappedCFException(h4, ex);
2600	>	checkCompletedWithWrappedException(h4, ex);
2601		rs[4].assertNotInvoked();
2602		}
2603		try {
2604		assertNull(h5.join());
2605		rs[5].assertValue(v1);
2606		} catch (CompletionException ok) {
2607	<	checkCompletedWithWrappedCFException(h5, ex);
2607	>	checkCompletedWithWrappedException(h5, ex);
2608		rs[5].assertNotInvoked();
2609		}
2610
2611	<	checkCompletedWithWrappedCFException(f, ex);
2611	>	checkCompletedExceptionally(f, ex);
2612		checkCompletedNormally(g, v1);
2613	<	checkCompletedWithWrappedCFException(h0, ex);
2614	<	checkCompletedWithWrappedCFException(h1, ex);
2615	<	checkCompletedWithWrappedCFException(h2, ex);
2616	<	checkCompletedWithWrappedCFException(h3, ex);
2617	<	checkCompletedWithWrappedCFException(h4, ex);
2613	>	checkCompletedWithWrappedException(h0, ex);
2614	>	checkCompletedWithWrappedException(h1, ex);
2615	>	checkCompletedWithWrappedException(h2, ex);
2616	>	checkCompletedWithWrappedException(h3, ex);
2617	>	checkCompletedWithWrappedException(h4, ex);
2618		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2619		}}
2620
#	Line 2121 \| Line 2631 \| public class CompletableFutureTest exten
2631
2632		final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2633		final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2634	<	if (fFirst) {
2635	<	f.complete(v1);
2126	<	g.completeExceptionally(ex);
2127	<	} else {
2128	<	g.completeExceptionally(ex);
2129	<	f.complete(v1);
2130	<	}
2634	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2635	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2636		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2637		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2638
2639		// unspecified behavior - both source completions available
2640		try {
2641	<	assertEquals(null, h0.join());
2641	>	assertNull(h0.join());
2642		rs[0].assertValue(v1);
2643		} catch (CompletionException ok) {
2644	<	checkCompletedWithWrappedCFException(h0, ex);
2644	>	checkCompletedWithWrappedException(h0, ex);
2645		rs[0].assertNotInvoked();
2646		}
2647		try {
2648	<	assertEquals(null, h1.join());
2648	>	assertNull(h1.join());
2649		rs[1].assertValue(v1);
2650		} catch (CompletionException ok) {
2651	<	checkCompletedWithWrappedCFException(h1, ex);
2651	>	checkCompletedWithWrappedException(h1, ex);
2652		rs[1].assertNotInvoked();
2653		}
2654		try {
2655	<	assertEquals(null, h2.join());
2655	>	assertNull(h2.join());
2656		rs[2].assertValue(v1);
2657		} catch (CompletionException ok) {
2658	<	checkCompletedWithWrappedCFException(h2, ex);
2658	>	checkCompletedWithWrappedException(h2, ex);
2659		rs[2].assertNotInvoked();
2660		}
2661		try {
2662	<	assertEquals(null, h3.join());
2662	>	assertNull(h3.join());
2663		rs[3].assertValue(v1);
2664		} catch (CompletionException ok) {
2665	<	checkCompletedWithWrappedCFException(h3, ex);
2665	>	checkCompletedWithWrappedException(h3, ex);
2666		rs[3].assertNotInvoked();
2667		}
2668
2669		checkCompletedNormally(f, v1);
2670	<	checkCompletedWithWrappedCFException(g, ex);
2670	>	checkCompletedExceptionally(g, ex);
2671		}}
2672
2673		/**
#	Line 2239 \| Line 2744 \| public class CompletableFutureTest exten
2744		f.complete(v1);
2745		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2746		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2747	<	checkCompletedWithWrappedCFException(h0);
2748	<	checkCompletedWithWrappedCFException(h1);
2749	<	checkCompletedWithWrappedCFException(h2);
2750	<	checkCompletedWithWrappedCFException(h3);
2747	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2748	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2749	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2750	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2751		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2752
2753		g.complete(v2);
#	Line 2251 \| Line 2756 \| public class CompletableFutureTest exten
2756		final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2757		final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2758
2759	<	checkCompletedWithWrappedCFException(h4);
2759	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2760		assertTrue(Objects.equals(v1, rs[4].value) \|\|
2761		Objects.equals(v2, rs[4].value));
2762	<	checkCompletedWithWrappedCFException(h5);
2762	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2763		assertTrue(Objects.equals(v1, rs[5].value) \|\|
2764		Objects.equals(v2, rs[5].value));
2765
#	Line 2270 \| Line 2775 \| public class CompletableFutureTest exten
2775		for (ExecutionMode m : ExecutionMode.values())
2776		for (Integer v1 : new Integer[] { 1, null })
2777		for (Integer v2 : new Integer[] { 2, null })
2778	+	for (boolean pushNop : new boolean[] { true, false })
2779		{
2780		final CompletableFuture<Integer> f = new CompletableFuture<>();
2781		final CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 2282 \| Line 2788 \| public class CompletableFutureTest exten
2788		checkIncomplete(h1);
2789		rs[0].assertNotInvoked();
2790		rs[1].assertNotInvoked();
2791	+	if (pushNop) { // ad hoc test of intra-completion interference
2792	+	m.thenRun(f, () -> {});
2793	+	m.thenRun(g, () -> {});
2794	+	}
2795		f.complete(v1);
2796		checkCompletedNormally(h0, null);
2797		checkCompletedNormally(h1, null);
#	Line 2330 \| Line 2840 \| public class CompletableFutureTest exten
2840		checkIncomplete(h1);
2841		rs[0].assertNotInvoked();
2842		rs[1].assertNotInvoked();
2843	<	f.completeExceptionally(ex);
2844	<	checkCompletedWithWrappedCFException(h0, ex);
2845	<	checkCompletedWithWrappedCFException(h1, ex);
2843	>	assertTrue(f.completeExceptionally(ex));
2844	>	checkCompletedWithWrappedException(h0, ex);
2845	>	checkCompletedWithWrappedException(h1, ex);
2846		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2847		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2848	<	checkCompletedWithWrappedCFException(h2, ex);
2849	<	checkCompletedWithWrappedCFException(h3, ex);
2848	>	checkCompletedWithWrappedException(h2, ex);
2849	>	checkCompletedWithWrappedException(h3, ex);
2850
2851	<	g.complete(v1);
2851	>	assertTrue(g.complete(v1));
2852
2853		// unspecified behavior - both source completions available
2854		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2347 \| Line 2857 \| public class CompletableFutureTest exten
2857		assertNull(h4.join());
2858		rs[4].assertInvoked();
2859		} catch (CompletionException ok) {
2860	<	checkCompletedWithWrappedCFException(h4, ex);
2860	>	checkCompletedWithWrappedException(h4, ex);
2861		rs[4].assertNotInvoked();
2862		}
2863		try {
2864		assertNull(h5.join());
2865		rs[5].assertInvoked();
2866		} catch (CompletionException ok) {
2867	<	checkCompletedWithWrappedCFException(h5, ex);
2867	>	checkCompletedWithWrappedException(h5, ex);
2868		rs[5].assertNotInvoked();
2869		}
2870
2871	<	checkCompletedWithWrappedCFException(f, ex);
2871	>	checkCompletedExceptionally(f, ex);
2872		checkCompletedNormally(g, v1);
2873	<	checkCompletedWithWrappedCFException(h0, ex);
2874	<	checkCompletedWithWrappedCFException(h1, ex);
2875	<	checkCompletedWithWrappedCFException(h2, ex);
2876	<	checkCompletedWithWrappedCFException(h3, ex);
2877	<	checkCompletedWithWrappedCFException(h4, ex);
2873	>	checkCompletedWithWrappedException(h0, ex);
2874	>	checkCompletedWithWrappedException(h1, ex);
2875	>	checkCompletedWithWrappedException(h2, ex);
2876	>	checkCompletedWithWrappedException(h3, ex);
2877	>	checkCompletedWithWrappedException(h4, ex);
2878		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2879		}}
2880
2881	+	public void testRunAfterEither_exceptionalCompletion2() {
2882	+	for (ExecutionMode m : ExecutionMode.values())
2883	+	for (boolean fFirst : new boolean[] { true, false })
2884	+	for (Integer v1 : new Integer[] { 1, null })
2885	+	{
2886	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2887	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2888	+	final CFException ex = new CFException();
2889	+	final Noop[] rs = new Noop[6];
2890	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2891	+
2892	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2893	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2894	+	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2895	+	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2896	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2897	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2898	+
2899	+	// unspecified behavior - both source completions available
2900	+	try {
2901	+	assertNull(h0.join());
2902	+	rs[0].assertInvoked();
2903	+	} catch (CompletionException ok) {
2904	+	checkCompletedWithWrappedException(h0, ex);
2905	+	rs[0].assertNotInvoked();
2906	+	}
2907	+	try {
2908	+	assertNull(h1.join());
2909	+	rs[1].assertInvoked();
2910	+	} catch (CompletionException ok) {
2911	+	checkCompletedWithWrappedException(h1, ex);
2912	+	rs[1].assertNotInvoked();
2913	+	}
2914	+	try {
2915	+	assertNull(h2.join());
2916	+	rs[2].assertInvoked();
2917	+	} catch (CompletionException ok) {
2918	+	checkCompletedWithWrappedException(h2, ex);
2919	+	rs[2].assertNotInvoked();
2920	+	}
2921	+	try {
2922	+	assertNull(h3.join());
2923	+	rs[3].assertInvoked();
2924	+	} catch (CompletionException ok) {
2925	+	checkCompletedWithWrappedException(h3, ex);
2926	+	rs[3].assertNotInvoked();
2927	+	}
2928	+
2929	+	checkCompletedNormally(f, v1);
2930	+	checkCompletedExceptionally(g, ex);
2931	+	}}
2932	+
2933		/**
2934		* runAfterEither result completes exceptionally if either source cancelled
2935		*/
#	Line 2395 \| Line 2957 \| public class CompletableFutureTest exten
2957		checkCompletedWithWrappedCancellationException(h2);
2958		checkCompletedWithWrappedCancellationException(h3);
2959
2960	<	g.complete(v1);
2960	>	assertTrue(g.complete(v1));
2961
2962		// unspecified behavior - both source completions available
2963		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2439 \| Line 3001 \| public class CompletableFutureTest exten
3001
3002		final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3003		final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3004	<	f.complete(v1);
3004	>	assertTrue(f.complete(v1));
3005		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3006		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3007	<	checkCompletedWithWrappedCFException(h0);
3008	<	checkCompletedWithWrappedCFException(h1);
3009	<	checkCompletedWithWrappedCFException(h2);
3010	<	checkCompletedWithWrappedCFException(h3);
3007	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3008	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3009	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3010	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3011		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3012	<	g.complete(v2);
3012	>	assertTrue(g.complete(v2));
3013		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3014		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3015	<	checkCompletedWithWrappedCFException(h4);
3016	<	checkCompletedWithWrappedCFException(h5);
3015	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3016	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3017
3018		checkCompletedNormally(f, v1);
3019		checkCompletedNormally(g, v2);
#	Line 2468 \| Line 3030 \| public class CompletableFutureTest exten
3030		{
3031		final CompletableFuture<Integer> f = new CompletableFuture<>();
3032		final CompletableFutureInc r = new CompletableFutureInc(m);
3033	<	if (!createIncomplete) f.complete(v1);
3033	>	if (!createIncomplete) assertTrue(f.complete(v1));
3034		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3035	<	if (createIncomplete) f.complete(v1);
3035	>	if (createIncomplete) assertTrue(f.complete(v1));
3036
3037		checkCompletedNormally(g, inc(v1));
3038		checkCompletedNormally(f, v1);
3039	<	r.assertInvoked();
3039	>	r.assertValue(v1);
3040		}}
3041
3042		/**
#	Line 2492 \| Line 3054 \| public class CompletableFutureTest exten
3054		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3055		if (createIncomplete) f.completeExceptionally(ex);
3056
3057	<	checkCompletedWithWrappedCFException(g, ex);
3058	<	checkCompletedWithWrappedCFException(f, ex);
3057	>	checkCompletedWithWrappedException(g, ex);
3058	>	checkCompletedExceptionally(f, ex);
3059		r.assertNotInvoked();
3060		}}
3061
#	Line 2508 \| Line 3070 \| public class CompletableFutureTest exten
3070		final CompletableFuture<Integer> f = new CompletableFuture<>();
3071		final FailingCompletableFutureFunction r
3072		= new FailingCompletableFutureFunction(m);
3073	<	if (!createIncomplete) f.complete(v1);
3073	>	if (!createIncomplete) assertTrue(f.complete(v1));
3074		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3075	<	if (createIncomplete) f.complete(v1);
3075	>	if (createIncomplete) assertTrue(f.complete(v1));
3076
3077	<	checkCompletedWithWrappedCFException(g);
3077	>	checkCompletedWithWrappedException(g, r.ex);
3078		checkCompletedNormally(f, v1);
3079		}}
3080
#	Line 2537 \| Line 3099 \| public class CompletableFutureTest exten
3099		checkCancelled(f);
3100		}}
3101
3102	+	/**
3103	+	* thenCompose result completes exceptionally if the result of the action does
3104	+	*/
3105	+	public void testThenCompose_actionReturnsFailingFuture() {
3106	+	for (ExecutionMode m : ExecutionMode.values())
3107	+	for (int order = 0; order < 6; order++)
3108	+	for (Integer v1 : new Integer[] { 1, null })
3109	+	{
3110	+	final CFException ex = new CFException();
3111	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3112	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3113	+	final CompletableFuture<Integer> h;
3114	+	// Test all permutations of orders
3115	+	switch (order) {
3116	+	case 0:
3117	+	assertTrue(f.complete(v1));
3118	+	assertTrue(g.completeExceptionally(ex));
3119	+	h = m.thenCompose(f, (x -> g));
3120	+	break;
3121	+	case 1:
3122	+	assertTrue(f.complete(v1));
3123	+	h = m.thenCompose(f, (x -> g));
3124	+	assertTrue(g.completeExceptionally(ex));
3125	+	break;
3126	+	case 2:
3127	+	assertTrue(g.completeExceptionally(ex));
3128	+	assertTrue(f.complete(v1));
3129	+	h = m.thenCompose(f, (x -> g));
3130	+	break;
3131	+	case 3:
3132	+	assertTrue(g.completeExceptionally(ex));
3133	+	h = m.thenCompose(f, (x -> g));
3134	+	assertTrue(f.complete(v1));
3135	+	break;
3136	+	case 4:
3137	+	h = m.thenCompose(f, (x -> g));
3138	+	assertTrue(f.complete(v1));
3139	+	assertTrue(g.completeExceptionally(ex));
3140	+	break;
3141	+	case 5:
3142	+	h = m.thenCompose(f, (x -> g));
3143	+	assertTrue(f.complete(v1));
3144	+	assertTrue(g.completeExceptionally(ex));
3145	+	break;
3146	+	default: throw new AssertionError();
3147	+	}
3148	+
3149	+	checkCompletedExceptionally(g, ex);
3150	+	checkCompletedWithWrappedException(h, ex);
3151	+	checkCompletedNormally(f, v1);
3152	+	}}
3153	+
3154	+	/**
3155	+	* exceptionallyCompose result completes normally after normal
3156	+	* completion of source
3157	+	*/
3158	+	public void testExceptionallyCompose_normalCompletion() {
3159	+	for (ExecutionMode m : ExecutionMode.values())
3160	+	for (boolean createIncomplete : new boolean[] { true, false })
3161	+	for (Integer v1 : new Integer[] { 1, null })
3162	+	{
3163	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3164	+	final ExceptionalCompletableFutureFunction r =
3165	+	new ExceptionalCompletableFutureFunction(m);
3166	+	if (!createIncomplete) assertTrue(f.complete(v1));
3167	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3168	+	if (createIncomplete) assertTrue(f.complete(v1));
3169	+
3170	+	if (!createIncomplete && testImplementationDetails)
3171	+	assertSame(f, g);
3172	+	checkCompletedNormally(f, v1);
3173	+	checkCompletedNormally(g, v1);
3174	+	r.assertNotInvoked();
3175	+	}}
3176	+
3177	+	/**
3178	+	* exceptionallyCompose result completes normally after exceptional
3179	+	* completion of source
3180	+	*/
3181	+	public void testExceptionallyCompose_exceptionalCompletion() {
3182	+	for (ExecutionMode m : ExecutionMode.values())
3183	+	for (boolean createIncomplete : new boolean[] { true, false })
3184	+	{
3185	+	final CFException ex = new CFException();
3186	+	final ExceptionalCompletableFutureFunction r =
3187	+	new ExceptionalCompletableFutureFunction(m);
3188	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3189	+	if (!createIncomplete) f.completeExceptionally(ex);
3190	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3191	+	if (createIncomplete) f.completeExceptionally(ex);
3192	+
3193	+	checkCompletedExceptionally(f, ex);
3194	+	checkCompletedNormally(g, r.value);
3195	+	r.assertInvoked();
3196	+	}}
3197	+
3198	+	/**
3199	+	* exceptionallyCompose completes exceptionally on exception if action does
3200	+	*/
3201	+	public void testExceptionallyCompose_actionFailed() {
3202	+	for (ExecutionMode m : ExecutionMode.values())
3203	+	for (boolean createIncomplete : new boolean[] { true, false })
3204	+	for (Integer v1 : new Integer[] { 1, null })
3205	+	{
3206	+	final CFException ex = new CFException();
3207	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3208	+	final FailingExceptionalCompletableFutureFunction r
3209	+	= new FailingExceptionalCompletableFutureFunction(m);
3210	+	if (!createIncomplete) f.completeExceptionally(ex);
3211	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3212	+	if (createIncomplete) f.completeExceptionally(ex);
3213	+
3214	+	checkCompletedExceptionally(f, ex);
3215	+	checkCompletedWithWrappedException(g, r.ex);
3216	+	r.assertInvoked();
3217	+	}}
3218	+
3219	+
3220		// other static methods
3221
3222		/**
#	Line 2553 \| Line 3233 \| public class CompletableFutureTest exten
3233		* when all components complete normally
3234		*/
3235		public void testAllOf_normal() throws Exception {
3236	<	for (int k = 1; k < 20; ++k) {
3236	>	for (int k = 1; k < 10; k++) {
3237		CompletableFuture<Integer>[] fs
3238		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3239	<	for (int i = 0; i < k; ++i)
3239	>	for (int i = 0; i < k; i++)
3240		fs[i] = new CompletableFuture<>();
3241		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3242	<	for (int i = 0; i < k; ++i) {
3242	>	for (int i = 0; i < k; i++) {
3243		checkIncomplete(f);
3244		checkIncomplete(CompletableFuture.allOf(fs));
3245		fs[i].complete(one);
#	Line 2569 \| Line 3249 \| public class CompletableFutureTest exten
3249		}
3250		}
3251
3252	<	public void testAllOf_backwards() throws Exception {
3253	<	for (int k = 1; k < 20; ++k) {
3252	>	public void testAllOf_normal_backwards() throws Exception {
3253	>	for (int k = 1; k < 10; k++) {
3254		CompletableFuture<Integer>[] fs
3255		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3256	<	for (int i = 0; i < k; ++i)
3256	>	for (int i = 0; i < k; i++)
3257		fs[i] = new CompletableFuture<>();
3258		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3259		for (int i = k - 1; i >= 0; i--) {
#	Line 2586 \| Line 3266 \| public class CompletableFutureTest exten
3266		}
3267		}
3268
3269	+	public void testAllOf_exceptional() throws Exception {
3270	+	for (int k = 1; k < 10; k++) {
3271	+	CompletableFuture<Integer>[] fs
3272	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3273	+	CFException ex = new CFException();
3274	+	for (int i = 0; i < k; i++)
3275	+	fs[i] = new CompletableFuture<>();
3276	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3277	+	for (int i = 0; i < k; i++) {
3278	+	checkIncomplete(f);
3279	+	checkIncomplete(CompletableFuture.allOf(fs));
3280	+	if (i != k / 2) {
3281	+	fs[i].complete(i);
3282	+	checkCompletedNormally(fs[i], i);
3283	+	} else {
3284	+	fs[i].completeExceptionally(ex);
3285	+	checkCompletedExceptionally(fs[i], ex);
3286	+	}
3287	+	}
3288	+	checkCompletedWithWrappedException(f, ex);
3289	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3290	+	}
3291	+	}
3292	+
3293		/**
3294		* anyOf(no component futures) returns an incomplete future
3295		*/
3296		public void testAnyOf_empty() throws Exception {
3297	+	for (Integer v1 : new Integer[] { 1, null })
3298	+	{
3299		CompletableFuture<Object> f = CompletableFuture.anyOf();
3300		checkIncomplete(f);
3301	<	}
3301	>
3302	>	f.complete(v1);
3303	>	checkCompletedNormally(f, v1);
3304	>	}}
3305
3306		/**
3307		* anyOf returns a future completed normally with a value when
3308		* a component future does
3309		*/
3310		public void testAnyOf_normal() throws Exception {
3311	<	for (int k = 0; k < 10; ++k) {
3311	>	for (int k = 0; k < 10; k++) {
3312		CompletableFuture[] fs = new CompletableFuture[k];
3313	<	for (int i = 0; i < k; ++i)
3313	>	for (int i = 0; i < k; i++)
3314		fs[i] = new CompletableFuture<>();
3315		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3316		checkIncomplete(f);
3317	<	for (int i = 0; i < k; ++i) {
3318	<	fs[i].complete(one);
3319	<	checkCompletedNormally(f, one);
3320	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3317	>	for (int i = 0; i < k; i++) {
3318	>	fs[i].complete(i);
3319	>	checkCompletedNormally(f, 0);
3320	>	int x = (int) CompletableFuture.anyOf(fs).join();
3321	>	assertTrue(0 <= x && x <= i);
3322	>	}
3323	>	}
3324	>	}
3325	>	public void testAnyOf_normal_backwards() throws Exception {
3326	>	for (int k = 0; k < 10; k++) {
3327	>	CompletableFuture[] fs = new CompletableFuture[k];
3328	>	for (int i = 0; i < k; i++)
3329	>	fs[i] = new CompletableFuture<>();
3330	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3331	>	checkIncomplete(f);
3332	>	for (int i = k - 1; i >= 0; i--) {
3333	>	fs[i].complete(i);
3334	>	checkCompletedNormally(f, k - 1);
3335	>	int x = (int) CompletableFuture.anyOf(fs).join();
3336	>	assertTrue(i <= x && x <= k - 1);
3337		}
3338		}
3339		}
#	Line 2617 \| Line 3342 \| public class CompletableFutureTest exten
3342		* anyOf result completes exceptionally when any component does.
3343		*/
3344		public void testAnyOf_exceptional() throws Exception {
3345	<	for (int k = 0; k < 10; ++k) {
3345	>	for (int k = 0; k < 10; k++) {
3346		CompletableFuture[] fs = new CompletableFuture[k];
3347	<	for (int i = 0; i < k; ++i)
3347	>	CFException[] exs = new CFException[k];
3348	>	for (int i = 0; i < k; i++) {
3349		fs[i] = new CompletableFuture<>();
3350	+	exs[i] = new CFException();
3351	+	}
3352		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3353		checkIncomplete(f);
3354	<	for (int i = 0; i < k; ++i) {
3355	<	fs[i].completeExceptionally(new CFException());
3356	<	checkCompletedWithWrappedCFException(f);
3354	>	for (int i = 0; i < k; i++) {
3355	>	fs[i].completeExceptionally(exs[i]);
3356	>	checkCompletedWithWrappedException(f, exs[0]);
3357	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3358	>	}
3359	>	}
3360	>	}
3361	>
3362	>	public void testAnyOf_exceptional_backwards() throws Exception {
3363	>	for (int k = 0; k < 10; k++) {
3364	>	CompletableFuture[] fs = new CompletableFuture[k];
3365	>	CFException[] exs = new CFException[k];
3366	>	for (int i = 0; i < k; i++) {
3367	>	fs[i] = new CompletableFuture<>();
3368	>	exs[i] = new CFException();
3369	>	}
3370	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3371	>	checkIncomplete(f);
3372	>	for (int i = k - 1; i >= 0; i--) {
3373	>	fs[i].completeExceptionally(exs[i]);
3374	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3375		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3376		}
3377		}
#	Line 2634 \| Line 3380 \| public class CompletableFutureTest exten
3380		/**
3381		* Completion methods throw NullPointerException with null arguments
3382		*/
3383	+	@SuppressWarnings("FutureReturnValueIgnored")
3384		public void testNPE() {
3385		CompletableFuture<Integer> f = new CompletableFuture<>();
3386		CompletableFuture<Integer> g = new CompletableFuture<>();
3387		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2641	–	CompletableFuture<?> h;
3388		ThreadExecutor exec = new ThreadExecutor();
3389
3390		Runnable[] throwingActions = {
3391		() -> CompletableFuture.supplyAsync(null),
3392		() -> CompletableFuture.supplyAsync(null, exec),
3393	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3393	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3394
3395		() -> CompletableFuture.runAsync(null),
3396		() -> CompletableFuture.runAsync(null, exec),
#	Line 2654 \| Line 3400 \| public class CompletableFutureTest exten
3400
3401		() -> f.thenApply(null),
3402		() -> f.thenApplyAsync(null),
3403	<	() -> f.thenApplyAsync((x) -> x, null),
3403	>	() -> f.thenApplyAsync(x -> x, null),
3404		() -> f.thenApplyAsync(null, exec),
3405
3406		() -> f.thenAccept(null),
3407		() -> f.thenAcceptAsync(null),
3408	<	() -> f.thenAcceptAsync((x) -> {} , null),
3408	>	() -> f.thenAcceptAsync(x -> {} , null),
3409		() -> f.thenAcceptAsync(null, exec),
3410
3411		() -> f.thenRun(null),
#	Line 2694 \| Line 3440 \| public class CompletableFutureTest exten
3440		() -> f.applyToEither(g, null),
3441		() -> f.applyToEitherAsync(g, null),
3442		() -> f.applyToEitherAsync(g, null, exec),
3443	<	() -> f.applyToEither(nullFuture, (x) -> x),
3444	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3445	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3446	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3443	>	() -> f.applyToEither(nullFuture, x -> x),
3444	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3445	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3446	>	() -> f.applyToEitherAsync(g, x -> x, null),
3447
3448		() -> f.acceptEither(g, null),
3449		() -> f.acceptEitherAsync(g, null),
3450		() -> f.acceptEitherAsync(g, null, exec),
3451	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3452	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3453	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3454	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3451	>	() -> f.acceptEither(nullFuture, x -> {}),
3452	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3453	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3454	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3455
3456		() -> f.runAfterEither(g, null),
3457		() -> f.runAfterEitherAsync(g, null),
#	Line 2735 \| Line 3481 \| public class CompletableFutureTest exten
3481		() -> CompletableFuture.anyOf(null, f),
3482
3483		() -> f.obtrudeException(null),
3484	+
3485	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3486	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3487	+	() -> CompletableFuture.delayedExecutor(1L, null),
3488	+
3489	+	() -> f.orTimeout(1L, null),
3490	+	() -> f.completeOnTimeout(42, 1L, null),
3491	+
3492	+	() -> CompletableFuture.failedFuture(null),
3493	+	() -> CompletableFuture.failedStage(null),
3494		};
3495
3496		assertThrows(NullPointerException.class, throwingActions);
#	Line 2742 \| Line 3498 \| public class CompletableFutureTest exten
3498		}
3499
3500		/**
3501	+	* Test submissions to an executor that rejects all tasks.
3502	+	*/
3503	+	public void testRejectingExecutor() {
3504	+	for (Integer v : new Integer[] { 1, null })
3505	+	{
3506	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3507	+
3508	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3509	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3510	+
3511	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3512	+
3513	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3514	+	srcs.add(complete);
3515	+	srcs.add(incomplete);
3516	+
3517	+	for (CompletableFuture<Integer> src : srcs) {
3518	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3519	+	fs.add(src.thenRunAsync(() -> {}, e));
3520	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3521	+	fs.add(src.thenApplyAsync(z -> z, e));
3522	+
3523	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3524	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3525	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3526	+
3527	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3528	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3529	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3530	+
3531	+	fs.add(src.thenComposeAsync(z -> null, e));
3532	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3533	+	fs.add(src.handleAsync((z, t) -> null, e));
3534	+
3535	+	for (CompletableFuture<?> future : fs) {
3536	+	if (src.isDone())
3537	+	checkCompletedWithWrappedException(future, e.ex);
3538	+	else
3539	+	checkIncomplete(future);
3540	+	}
3541	+	futures.addAll(fs);
3542	+	}
3543	+
3544	+	{
3545	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3546	+
3547	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3548	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3549	+
3550	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3551	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3552	+
3553	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3554	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3555	+
3556	+	for (CompletableFuture<?> future : fs)
3557	+	checkIncomplete(future);
3558	+	futures.addAll(fs);
3559	+	}
3560	+
3561	+	{
3562	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3563	+
3564	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3565	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3566	+
3567	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3568	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3569	+
3570	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3571	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3572	+
3573	+	for (CompletableFuture<?> future : fs)
3574	+	checkCompletedWithWrappedException(future, e.ex);
3575	+	futures.addAll(fs);
3576	+	}
3577	+
3578	+	incomplete.complete(v);
3579	+
3580	+	for (CompletableFuture<?> future : futures)
3581	+	checkCompletedWithWrappedException(future, e.ex);
3582	+
3583	+	assertEquals(futures.size(), e.count.get());
3584	+	}}
3585	+
3586	+	/**
3587	+	* Test submissions to an executor that rejects all tasks, but
3588	+	* should never be invoked because the dependent future is
3589	+	* explicitly completed.
3590	+	*/
3591	+	public void testRejectingExecutorNeverInvoked() {
3592	+	for (Integer v : new Integer[] { 1, null })
3593	+	{
3594	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3595	+
3596	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3597	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3598	+
3599	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3600	+
3601	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3602	+	srcs.add(complete);
3603	+	srcs.add(incomplete);
3604	+
3605	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3606	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3607	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3608	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3609	+
3610	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3611	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3612	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3613	+
3614	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3615	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3616	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3617	+
3618	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3619	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3620	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3621	+
3622	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3623	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3624	+
3625	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3626	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3627	+
3628	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3629	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3630	+
3631	+	for (CompletableFuture<?> future : fs)
3632	+	checkIncomplete(future);
3633	+
3634	+	for (CompletableFuture<?> future : fs)
3635	+	future.complete(null);
3636	+
3637	+	incomplete.complete(v);
3638	+
3639	+	for (CompletableFuture<?> future : fs)
3640	+	checkCompletedNormally(future, null);
3641	+
3642	+	assertEquals(0, e.count.get());
3643	+	}}
3644	+
3645	+	/**
3646		* toCompletableFuture returns this CompletableFuture.
3647		*/
3648		public void testToCompletableFuture() {
#	Line 2749 \| Line 3650 \| public class CompletableFutureTest exten
3650		assertSame(f, f.toCompletableFuture());
3651		}
3652
3653	+	// jdk9
3654	+
3655		/**
3656	<	* whenComplete action executes on normal completion, propagating
2754	<	* source result.
3656	>	* newIncompleteFuture returns an incomplete CompletableFuture
3657		*/
3658	<	public void testWhenComplete_normalCompletion1() {
3659	<	for (ExecutionMode m : ExecutionMode.values())
3658	>	public void testNewIncompleteFuture() {
3659	>	for (Integer v1 : new Integer[] { 1, null })
3660	>	{
3661	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3662	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3663	>	checkIncomplete(f);
3664	>	checkIncomplete(g);
3665	>	f.complete(v1);
3666	>	checkCompletedNormally(f, v1);
3667	>	checkIncomplete(g);
3668	>	g.complete(v1);
3669	>	checkCompletedNormally(g, v1);
3670	>	assertSame(g.getClass(), CompletableFuture.class);
3671	>	}}
3672	>
3673	>	/**
3674	>	* completedStage returns a completed CompletionStage
3675	>	*/
3676	>	public void testCompletedStage() {
3677	>	AtomicInteger x = new AtomicInteger(0);
3678	>	AtomicReference<Throwable> r = new AtomicReference<>();
3679	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3680	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3681	>	assertEquals(x.get(), 1);
3682	>	assertNull(r.get());
3683	>	}
3684	>
3685	>	/**
3686	>	* defaultExecutor by default returns the commonPool if
3687	>	* it supports more than one thread.
3688	>	*/
3689	>	public void testDefaultExecutor() {
3690	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3691	>	Executor e = f.defaultExecutor();
3692	>	Executor c = ForkJoinPool.commonPool();
3693	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3694	>	assertSame(e, c);
3695	>	else
3696	>	assertNotSame(e, c);
3697	>	}
3698	>
3699	>	/**
3700	>	* failedFuture returns a CompletableFuture completed
3701	>	* exceptionally with the given Exception
3702	>	*/
3703	>	public void testFailedFuture() {
3704	>	CFException ex = new CFException();
3705	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3706	>	checkCompletedExceptionally(f, ex);
3707	>	}
3708	>
3709	>	/**
3710	>	* failedFuture(null) throws NPE
3711	>	*/
3712	>	public void testFailedFuture_null() {
3713	>	try {
3714	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3715	>	shouldThrow();
3716	>	} catch (NullPointerException success) {}
3717	>	}
3718	>
3719	>	/**
3720	>	* copy returns a CompletableFuture that is completed normally,
3721	>	* with the same value, when source is.
3722	>	*/
3723	>	public void testCopy_normalCompletion() {
3724		for (boolean createIncomplete : new boolean[] { true, false })
3725		for (Integer v1 : new Integer[] { 1, null })
3726		{
3727	<	final AtomicInteger a = new AtomicInteger(0);
3728	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3729	<	if (!createIncomplete) f.complete(v1);
3730	<	final CompletableFuture<Integer> g = m.whenComplete
3731	<	(f,
3732	<	(Integer x, Throwable t) -> {
3733	<	threadAssertSame(x, v1);
3734	<	threadAssertNull(t);
3735	<	a.getAndIncrement();
3736	<	});
3737	<	if (createIncomplete) f.complete(v1);
3727	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3728	>	if (!createIncomplete) assertTrue(f.complete(v1));
3729	>	CompletableFuture<Integer> g = f.copy();
3730	>	if (createIncomplete) {
3731	>	checkIncomplete(f);
3732	>	checkIncomplete(g);
3733	>	assertTrue(f.complete(v1));
3734	>	}
3735	>	checkCompletedNormally(f, v1);
3736	>	checkCompletedNormally(g, v1);
3737	>	}}
3738	>
3739	>	/**
3740	>	* copy returns a CompletableFuture that is completed exceptionally
3741	>	* when source is.
3742	>	*/
3743	>	public void testCopy_exceptionalCompletion() {
3744	>	for (boolean createIncomplete : new boolean[] { true, false })
3745	>	{
3746	>	CFException ex = new CFException();
3747	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3748	>	if (!createIncomplete) f.completeExceptionally(ex);
3749	>	CompletableFuture<Integer> g = f.copy();
3750	>	if (createIncomplete) {
3751	>	checkIncomplete(f);
3752	>	checkIncomplete(g);
3753	>	f.completeExceptionally(ex);
3754	>	}
3755	>	checkCompletedExceptionally(f, ex);
3756	>	checkCompletedWithWrappedException(g, ex);
3757	>	}}
3758	>
3759	>	/**
3760	>	* Completion of a copy does not complete its source.
3761	>	*/
3762	>	public void testCopy_oneWayPropagation() {
3763	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3764	>	assertTrue(f.copy().complete(1));
3765	>	assertTrue(f.copy().complete(null));
3766	>	assertTrue(f.copy().cancel(true));
3767	>	assertTrue(f.copy().cancel(false));
3768	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3769	>	checkIncomplete(f);
3770	>	}
3771	>
3772	>	/**
3773	>	* minimalCompletionStage returns a CompletableFuture that is
3774	>	* completed normally, with the same value, when source is.
3775	>	*/
3776	>	public void testMinimalCompletionStage() {
3777	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3778	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3779	>	AtomicInteger x = new AtomicInteger(0);
3780	>	AtomicReference<Throwable> r = new AtomicReference<>();
3781	>	checkIncomplete(f);
3782	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3783	>	f.complete(1);
3784	>	checkCompletedNormally(f, 1);
3785	>	assertEquals(x.get(), 1);
3786	>	assertNull(r.get());
3787	>	}
3788	>
3789	>	/**
3790	>	* minimalCompletionStage returns a CompletableFuture that is
3791	>	* completed exceptionally when source is.
3792	>	*/
3793	>	public void testMinimalCompletionStage2() {
3794	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3795	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3796	>	AtomicInteger x = new AtomicInteger(0);
3797	>	AtomicReference<Throwable> r = new AtomicReference<>();
3798	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3799	>	checkIncomplete(f);
3800	>	CFException ex = new CFException();
3801	>	f.completeExceptionally(ex);
3802	>	checkCompletedExceptionally(f, ex);
3803	>	assertEquals(x.get(), 0);
3804	>	assertEquals(r.get().getCause(), ex);
3805	>	}
3806	>
3807	>	/**
3808	>	* failedStage returns a CompletionStage completed
3809	>	* exceptionally with the given Exception
3810	>	*/
3811	>	public void testFailedStage() {
3812	>	CFException ex = new CFException();
3813	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3814	>	AtomicInteger x = new AtomicInteger(0);
3815	>	AtomicReference<Throwable> r = new AtomicReference<>();
3816	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3817	>	assertEquals(x.get(), 0);
3818	>	assertEquals(r.get(), ex);
3819	>	}
3820	>
3821	>	/**
3822	>	* completeAsync completes with value of given supplier
3823	>	*/
3824	>	public void testCompleteAsync() {
3825	>	for (Integer v1 : new Integer[] { 1, null })
3826	>	{
3827	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3828	>	f.completeAsync(() -> v1);
3829	>	f.join();
3830	>	checkCompletedNormally(f, v1);
3831	>	}}
3832	>
3833	>	/**
3834	>	* completeAsync completes exceptionally if given supplier throws
3835	>	*/
3836	>	public void testCompleteAsync2() {
3837	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3838	>	CFException ex = new CFException();
3839	>	f.completeAsync(() -> { throw ex; });
3840	>	try {
3841	>	f.join();
3842	>	shouldThrow();
3843	>	} catch (CompletionException success) {}
3844	>	checkCompletedWithWrappedException(f, ex);
3845	>	}
3846	>
3847	>	/**
3848	>	* completeAsync with given executor completes with value of given supplier
3849	>	*/
3850	>	public void testCompleteAsync3() {
3851	>	for (Integer v1 : new Integer[] { 1, null })
3852	>	{
3853	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3854	>	ThreadExecutor executor = new ThreadExecutor();
3855	>	f.completeAsync(() -> v1, executor);
3856	>	assertSame(v1, f.join());
3857	>	checkCompletedNormally(f, v1);
3858	>	assertEquals(1, executor.count.get());
3859	>	}}
3860	>
3861	>	/**
3862	>	* completeAsync with given executor completes exceptionally if
3863	>	* given supplier throws
3864	>	*/
3865	>	public void testCompleteAsync4() {
3866	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3867	>	CFException ex = new CFException();
3868	>	ThreadExecutor executor = new ThreadExecutor();
3869	>	f.completeAsync(() -> { throw ex; }, executor);
3870	>	try {
3871	>	f.join();
3872	>	shouldThrow();
3873	>	} catch (CompletionException success) {}
3874	>	checkCompletedWithWrappedException(f, ex);
3875	>	assertEquals(1, executor.count.get());
3876	>	}
3877	>
3878	>	/**
3879	>	* orTimeout completes with TimeoutException if not complete
3880	>	*/
3881	>	public void testOrTimeout_timesOut() {
3882	>	long timeoutMillis = timeoutMillis();
3883	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3884	>	long startTime = System.nanoTime();
3885	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3886	>	checkCompletedWithTimeoutException(f);
3887	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3888	>	}
3889
3890	+	/**
3891	+	* orTimeout completes normally if completed before timeout
3892	+	*/
3893	+	public void testOrTimeout_completed() {
3894	+	for (Integer v1 : new Integer[] { 1, null })
3895	+	{
3896	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3897	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3898	+	long startTime = System.nanoTime();
3899	+	f.complete(v1);
3900	+	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3901	+	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3902	+	g.complete(v1);
3903	+	checkCompletedNormally(f, v1);
3904		checkCompletedNormally(g, v1);
3905	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3906	+	}}
3907	+
3908	+	/**
3909	+	* completeOnTimeout completes with given value if not complete
3910	+	*/
3911	+	public void testCompleteOnTimeout_timesOut() {
3912	+	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3913	+	() -> testCompleteOnTimeout_timesOut(null));
3914	+	}
3915	+
3916	+	/**
3917	+	* completeOnTimeout completes with given value if not complete
3918	+	*/
3919	+	public void testCompleteOnTimeout_timesOut(Integer v) {
3920	+	long timeoutMillis = timeoutMillis();
3921	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3922	+	long startTime = System.nanoTime();
3923	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3924	+	assertSame(v, f.join());
3925	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3926	+	f.complete(99); // should have no effect
3927	+	checkCompletedNormally(f, v);
3928	+	}
3929	+
3930	+	/**
3931	+	* completeOnTimeout has no effect if completed within timeout
3932	+	*/
3933	+	public void testCompleteOnTimeout_completed() {
3934	+	for (Integer v1 : new Integer[] { 1, null })
3935	+	{
3936	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3937	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3938	+	long startTime = System.nanoTime();
3939	+	f.complete(v1);
3940	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3941	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3942	+	g.complete(v1);
3943		checkCompletedNormally(f, v1);
3944	<	assertEquals(1, a.get());
3944	>	checkCompletedNormally(g, v1);
3945	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3946		}}
3947
3948		/**
3949	<	* whenComplete action executes on exceptional completion, propagating
2780	<	* source result.
3949	>	* delayedExecutor returns an executor that delays submission
3950		*/
3951	<	public void testWhenComplete_exceptionalCompletion() {
3951	>	public void testDelayedExecutor() {
3952	>	testInParallel(() -> testDelayedExecutor(null, null),
3953	>	() -> testDelayedExecutor(null, 1),
3954	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3955	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3956	>	}
3957	>
3958	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3959	>	long timeoutMillis = timeoutMillis();
3960	>	// Use an "unreasonably long" long timeout to catch lingering threads
3961	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3962	>	final Executor delayer, longDelayer;
3963	>	if (executor == null) {
3964	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3965	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3966	>	} else {
3967	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3968	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3969	>	}
3970	>	long startTime = System.nanoTime();
3971	>	CompletableFuture<Integer> f =
3972	>	CompletableFuture.supplyAsync(() -> v, delayer);
3973	>	CompletableFuture<Integer> g =
3974	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3975	>
3976	>	assertNull(g.getNow(null));
3977	>
3978	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3979	>	long millisElapsed = millisElapsedSince(startTime);
3980	>	assertTrue(millisElapsed >= timeoutMillis);
3981	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3982	>
3983	>	checkCompletedNormally(f, v);
3984	>
3985	>	checkIncomplete(g);
3986	>	assertTrue(g.cancel(true));
3987	>	}
3988	>
3989	>	//--- tests of implementation details; not part of official tck ---
3990	>
3991	>	Object resultOf(CompletableFuture<?> f) {
3992	>	SecurityManager sm = System.getSecurityManager();
3993	>	if (sm != null) {
3994	>	try {
3995	>	System.setSecurityManager(null);
3996	>	} catch (SecurityException giveUp) {
3997	>	return "Reflection not available";
3998	>	}
3999	>	}
4000	>
4001	>	try {
4002	>	java.lang.reflect.Field resultField
4003	>	= CompletableFuture.class.getDeclaredField("result");
4004	>	resultField.setAccessible(true);
4005	>	return resultField.get(f);
4006	>	} catch (Throwable t) {
4007	>	throw new AssertionError(t);
4008	>	} finally {
4009	>	if (sm != null) System.setSecurityManager(sm);
4010	>	}
4011	>	}
4012	>
4013	>	public void testExceptionPropagationReusesResultObject() {
4014	>	if (!testImplementationDetails) return;
4015		for (ExecutionMode m : ExecutionMode.values())
4016	+	{
4017	+	final CFException ex = new CFException();
4018	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4019	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4020	+
4021	+	final Runnable noopRunnable = new Noop(m);
4022	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4023	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
4024	+
4025	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4026	+	= new ArrayList<>();
4027	+
4028	+	funs.add(y -> m.thenRun(y, noopRunnable));
4029	+	funs.add(y -> m.thenAccept(y, noopConsumer));
4030	+	funs.add(y -> m.thenApply(y, incFunction));
4031	+
4032	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4033	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4034	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4035	+
4036	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4037	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4038	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4039	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4040	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4041	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4042	+
4043	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4044	+
4045	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4046	+
4047	+	funs.add(y -> CompletableFuture.allOf(y));
4048	+	funs.add(y -> CompletableFuture.allOf(y, v42));
4049	+	funs.add(y -> CompletableFuture.allOf(v42, y));
4050	+	funs.add(y -> CompletableFuture.anyOf(y));
4051	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4052	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4053	+
4054	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4055	+	fun : funs) {
4056	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4057	+	f.completeExceptionally(ex);
4058	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4059	+	checkCompletedWithWrappedException(src, ex);
4060	+	CompletableFuture<?> dep = fun.apply(src);
4061	+	checkCompletedWithWrappedException(dep, ex);
4062	+	assertSame(resultOf(src), resultOf(dep));
4063	+	}
4064	+
4065	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4066	+	fun : funs) {
4067	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4068	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4069	+	CompletableFuture<?> dep = fun.apply(src);
4070	+	f.completeExceptionally(ex);
4071	+	checkCompletedWithWrappedException(src, ex);
4072	+	checkCompletedWithWrappedException(dep, ex);
4073	+	assertSame(resultOf(src), resultOf(dep));
4074	+	}
4075	+
4076	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4077	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4078	+	fun : funs) {
4079	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4080	+	f.cancel(mayInterruptIfRunning);
4081	+	checkCancelled(f);
4082	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4083	+	checkCompletedWithWrappedCancellationException(src);
4084	+	CompletableFuture<?> dep = fun.apply(src);
4085	+	checkCompletedWithWrappedCancellationException(dep);
4086	+	assertSame(resultOf(src), resultOf(dep));
4087	+	}
4088	+
4089	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4090	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4091	+	fun : funs) {
4092	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4093	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4094	+	CompletableFuture<?> dep = fun.apply(src);
4095	+	f.cancel(mayInterruptIfRunning);
4096	+	checkCancelled(f);
4097	+	checkCompletedWithWrappedCancellationException(src);
4098	+	checkCompletedWithWrappedCancellationException(dep);
4099	+	assertSame(resultOf(src), resultOf(dep));
4100	+	}
4101	+	}}
4102	+
4103	+	/**
4104	+	* Minimal completion stages throw UOE for most non-CompletionStage methods
4105	+	*/
4106	+	public void testMinimalCompletionStage_minimality() {
4107	+	if (!testImplementationDetails) return;
4108	+	Function<Method, String> toSignature =
4109	+	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4110	+	Predicate<Method> isNotStatic =
4111	+	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4112	+	List<Method> minimalMethods =
4113	+	Stream.of(Object.class, CompletionStage.class)
4114	+	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4115	+	.filter(isNotStatic)
4116	+	.collect(Collectors.toList());
4117	+	// Methods from CompletableFuture permitted NOT to throw UOE
4118	+	String[] signatureWhitelist = {
4119	+	"newIncompleteFuture[]",
4120	+	"defaultExecutor[]",
4121	+	"minimalCompletionStage[]",
4122	+	"copy[]",
4123	+	};
4124	+	Set<String> permittedMethodSignatures =
4125	+	Stream.concat(minimalMethods.stream().map(toSignature),
4126	+	Stream.of(signatureWhitelist))
4127	+	.collect(Collectors.toSet());
4128	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4129	+	.filter(isNotStatic)
4130	+	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4131	+	.collect(Collectors.toList());
4132	+
4133	+	List<CompletionStage<Integer>> stages = new ArrayList<>();
4134	+	CompletionStage<Integer> min =
4135	+	new CompletableFuture<Integer>().minimalCompletionStage();
4136	+	stages.add(min);
4137	+	stages.add(min.thenApply(x -> x));
4138	+	stages.add(CompletableFuture.completedStage(1));
4139	+	stages.add(CompletableFuture.failedStage(new CFException()));
4140	+
4141	+	List<Method> bugs = new ArrayList<>();
4142	+	for (Method method : allMethods) {
4143	+	Class<?>[] parameterTypes = method.getParameterTypes();
4144	+	Object[] args = new Object[parameterTypes.length];
4145	+	// Manufacture boxed primitives for primitive params
4146	+	for (int i = 0; i < args.length; i++) {
4147	+	Class<?> type = parameterTypes[i];
4148	+	if (parameterTypes[i] == boolean.class)
4149	+	args[i] = false;
4150	+	else if (parameterTypes[i] == int.class)
4151	+	args[i] = 0;
4152	+	else if (parameterTypes[i] == long.class)
4153	+	args[i] = 0L;
4154	+	}
4155	+	for (CompletionStage<Integer> stage : stages) {
4156	+	try {
4157	+	method.invoke(stage, args);
4158	+	bugs.add(method);
4159	+	}
4160	+	catch (java.lang.reflect.InvocationTargetException expected) {
4161	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4162	+	bugs.add(method);
4163	+	// expected.getCause().printStackTrace();
4164	+	}
4165	+	}
4166	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4167	+	}
4168	+	}
4169	+	if (!bugs.isEmpty())
4170	+	throw new Error("Methods did not throw UOE: " + bugs);
4171	+	}
4172	+
4173	+	/**
4174	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4175	+	* is completed normally, with the same value, when source is.
4176	+	*/
4177	+	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4178		for (boolean createIncomplete : new boolean[] { true, false })
4179		for (Integer v1 : new Integer[] { 1, null })
4180		{
4181	<	final AtomicInteger a = new AtomicInteger(0);
4182	<	final CFException ex = new CFException();
4183	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4181	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4182	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4183	>	if (!createIncomplete) assertTrue(f.complete(v1));
4184	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4185	>	if (createIncomplete) {
4186	>	checkIncomplete(f);
4187	>	checkIncomplete(g);
4188	>	assertTrue(f.complete(v1));
4189	>	}
4190	>	checkCompletedNormally(f, v1);
4191	>	checkCompletedNormally(g, v1);
4192	>	}}
4193	>
4194	>	/**
4195	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4196	>	* is completed exceptionally when source is.
4197	>	*/
4198	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4199	>	for (boolean createIncomplete : new boolean[] { true, false })
4200	>	{
4201	>	CFException ex = new CFException();
4202	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4203	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4204		if (!createIncomplete) f.completeExceptionally(ex);
4205	<	final CompletableFuture<Integer> g = m.whenComplete
4206	<	(f,
4207	<	(Integer x, Throwable t) -> {
4208	<	threadAssertNull(x);
4209	<	threadAssertSame(t, ex);
4210	<	a.getAndIncrement();
4211	<	});
4212	<	if (createIncomplete) f.completeExceptionally(ex);
2799	<	checkCompletedWithWrappedCFException(f, ex);
2800	<	checkCompletedWithWrappedCFException(g, ex);
2801	<	assertEquals(1, a.get());
4205	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4206	>	if (createIncomplete) {
4207	>	checkIncomplete(f);
4208	>	checkIncomplete(g);
4209	>	f.completeExceptionally(ex);
4210	>	}
4211	>	checkCompletedExceptionally(f, ex);
4212	>	checkCompletedWithWrappedException(g, ex);
4213		}}
4214
4215		/**
4216	<	* whenComplete action executes on cancelled source, propagating
2806	<	* CancellationException.
4216	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4217		*/
4218	<	public void testWhenComplete_sourceCancelled() {
4219	<	for (ExecutionMode m : ExecutionMode.values())
4220	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4218	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4219	>	for (Integer v1 : new Integer[] { 1, null })
4220	>	{
4221	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4222	>	CompletionStage minimal = f.minimalCompletionStage();
4223	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4224	>	assertTrue(g.complete(v1));
4225	>	checkCompletedNormally(g, v1);
4226	>	checkIncomplete(f);
4227	>	checkIncomplete(minimal.toCompletableFuture());
4228	>	}}
4229	>
4230	>	/**
4231	>	* minimalStage.toCompletableFuture().join() awaits completion
4232	>	*/
4233	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4234		for (boolean createIncomplete : new boolean[] { true, false })
4235	+	for (Integer v1 : new Integer[] { 1, null })
4236	+	{
4237	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4238	+	if (!createIncomplete) assertTrue(f.complete(v1));
4239	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4240	+	if (createIncomplete) assertTrue(f.complete(v1));
4241	+	assertEquals(v1, minimal.toCompletableFuture().join());
4242	+	assertEquals(v1, minimal.toCompletableFuture().get());
4243	+	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4244	+	}}
4245	+
4246	+	/**
4247	+	* Completion of a toCompletableFuture copy of a minimal stage
4248	+	* does not complete its source.
4249	+	*/
4250	+	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4251	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4252	+	CompletionStage<Integer> g = f.minimalCompletionStage();
4253	+	assertTrue(g.toCompletableFuture().complete(1));
4254	+	assertTrue(g.toCompletableFuture().complete(null));
4255	+	assertTrue(g.toCompletableFuture().cancel(true));
4256	+	assertTrue(g.toCompletableFuture().cancel(false));
4257	+	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4258	+	checkIncomplete(g.toCompletableFuture());
4259	+	f.complete(1);
4260	+	checkCompletedNormally(g.toCompletableFuture(), 1);
4261	+	}
4262	+
4263	+	/** Demo utility method for external reliable toCompletableFuture */
4264	+	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4265	+	CompletableFuture<T> f = new CompletableFuture<>();
4266	+	stage.handle((T t, Throwable ex) -> {
4267	+	if (ex != null) f.completeExceptionally(ex);
4268	+	else f.complete(t);
4269	+	return null;
4270	+	});
4271	+	return f;
4272	+	}
4273	+
4274	+	/** Demo utility method to join a CompletionStage */
4275	+	static <T> T join(CompletionStage<T> stage) {
4276	+	return toCompletableFuture(stage).join();
4277	+	}
4278	+
4279	+	/**
4280	+	* Joining a minimal stage "by hand" works
4281	+	*/
4282	+	public void testMinimalCompletionStage_join_by_hand() {
4283	+	for (boolean createIncomplete : new boolean[] { true, false })
4284	+	for (Integer v1 : new Integer[] { 1, null })
4285	+	{
4286	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4287	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4288	+	CompletableFuture<Integer> g = new CompletableFuture<>();
4289	+	if (!createIncomplete) assertTrue(f.complete(v1));
4290	+	minimal.thenAccept(x -> g.complete(x));
4291	+	if (createIncomplete) assertTrue(f.complete(v1));
4292	+	g.join();
4293	+	checkCompletedNormally(g, v1);
4294	+	checkCompletedNormally(f, v1);
4295	+	assertEquals(v1, join(minimal));
4296	+	}}
4297	+
4298	+	static class Monad {
4299	+	static class ZeroException extends RuntimeException {
4300	+	public ZeroException() { super("monadic zero"); }
4301	+	}
4302	+	// "return", "unit"
4303	+	static <T> CompletableFuture<T> unit(T value) {
4304	+	return completedFuture(value);
4305	+	}
4306	+	// monadic zero ?
4307	+	static <T> CompletableFuture<T> zero() {
4308	+	return failedFuture(new ZeroException());
4309	+	}
4310	+	// >=>
4311	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4312	+	(Function<T, CompletableFuture<U>> f,
4313	+	Function<U, CompletableFuture<V>> g) {
4314	+	return x -> f.apply(x).thenCompose(g);
4315	+	}
4316	+
4317	+	static void assertZero(CompletableFuture<?> f) {
4318	+	try {
4319	+	f.getNow(null);
4320	+	throw new AssertionError("should throw");
4321	+	} catch (CompletionException success) {
4322	+	assertTrue(success.getCause() instanceof ZeroException);
4323	+	}
4324	+	}
4325	+
4326	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4327	+	CompletableFuture<T> g) {
4328	+	T fval = null, gval = null;
4329	+	Throwable fex = null, gex = null;
4330	+
4331	+	try { fval = f.get(); }
4332	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4333	+	catch (Throwable ex) { fex = ex; }
4334	+
4335	+	try { gval = g.get(); }
4336	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4337	+	catch (Throwable ex) { gex = ex; }
4338	+
4339	+	if (fex != null \|\| gex != null)
4340	+	assertSame(fex.getClass(), gex.getClass());
4341	+	else
4342	+	assertEquals(fval, gval);
4343	+	}
4344	+
4345	+	static class PlusFuture<T> extends CompletableFuture<T> {
4346	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4347	+	}
4348	+
4349	+	/** Implements "monadic plus". */
4350	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4351	+	CompletableFuture<? extends T> g) {
4352	+	PlusFuture<T> plus = new PlusFuture<T>();
4353	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4354	+	try {
4355	+	if (ex == null) {
4356	+	if (plus.complete(result))
4357	+	if (plus.firstFailure.get() != null)
4358	+	plus.firstFailure.set(null);
4359	+	}
4360	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4361	+	if (plus.isDone())
4362	+	plus.firstFailure.set(null);
4363	+	}
4364	+	else {
4365	+	// first failure has precedence
4366	+	Throwable first = plus.firstFailure.getAndSet(null);
4367	+
4368	+	// may fail with "Self-suppression not permitted"
4369	+	try { first.addSuppressed(ex); }
4370	+	catch (Exception ignored) {}
4371	+
4372	+	plus.completeExceptionally(first);
4373	+	}
4374	+	} catch (Throwable unexpected) {
4375	+	plus.completeExceptionally(unexpected);
4376	+	}
4377	+	};
4378	+	f.whenComplete(action);
4379	+	g.whenComplete(action);
4380	+	return plus;
4381	+	}
4382	+	}
4383	+
4384	+	/**
4385	+	* CompletableFuture is an additive monad - sort of.
4386	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4387	+	*/
4388	+	public void testAdditiveMonad() throws Throwable {
4389	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4390	+	CompletableFuture<Long> zero = Monad.zero();
4391	+
4392	+	// Some mutually non-commutative functions
4393	+	Function<Long, CompletableFuture<Long>> triple
4394	+	= x -> Monad.unit(3 * x);
4395	+	Function<Long, CompletableFuture<Long>> inc
4396	+	= x -> Monad.unit(x + 1);
4397	+
4398	+	// unit is a right identity: m >>= unit === m
4399	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4400	+	inc.apply(5L));
4401	+	// unit is a left identity: (unit x) >>= f === f x
4402	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4403	+	inc.apply(5L));
4404	+
4405	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4406	+	Monad.assertFutureEquals(
4407	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4408	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4409	+
4410	+	// The case for CompletableFuture as an additive monad is weaker...
4411	+
4412	+	// zero is a monadic zero
4413	+	Monad.assertZero(zero);
4414	+
4415	+	// left zero: zero >>= f === zero
4416	+	Monad.assertZero(zero.thenCompose(inc));
4417	+	// right zero: f >>= (\x -> zero) === zero
4418	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4419	+
4420	+	// f plus zero === f
4421	+	Monad.assertFutureEquals(Monad.unit(5L),
4422	+	Monad.plus(Monad.unit(5L), zero));
4423	+	// zero plus f === f
4424	+	Monad.assertFutureEquals(Monad.unit(5L),
4425	+	Monad.plus(zero, Monad.unit(5L)));
4426	+	// zero plus zero === zero
4427	+	Monad.assertZero(Monad.plus(zero, zero));
4428	+	{
4429	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4430	+	Monad.unit(8L));
4431	+	// non-determinism
4432	+	assertTrue(f.get() == 5L \|\| f.get() == 8L);
4433	+	}
4434	+
4435	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4436	+	// f plus godot === f (doesn't wait for godot)
4437	+	Monad.assertFutureEquals(Monad.unit(5L),
4438	+	Monad.plus(Monad.unit(5L), godot));
4439	+	// godot plus f === f (doesn't wait for godot)
4440	+	Monad.assertFutureEquals(Monad.unit(5L),
4441	+	Monad.plus(godot, Monad.unit(5L)));
4442	+	}
4443	+
4444	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4445	+	@SuppressWarnings("FutureReturnValueIgnored")
4446	+	public void testRecursiveChains() throws Throwable {
4447	+	for (ExecutionMode m : ExecutionMode.values())
4448	+	for (boolean addDeadEnds : new boolean[] { true, false })
4449	+	{
4450	+	final int val = 42;
4451	+	final int n = expensiveTests ? 1_000 : 2;
4452	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4453	+	CompletableFuture<Integer> tail = head;
4454	+	for (int i = 0; i < n; i++) {
4455	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4456	+	tail = m.thenApply(tail, v -> v + 1);
4457	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4458	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4459	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4460	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4461	+	}
4462	+	head.complete(val);
4463	+	assertEquals(val + 3 * n, (int) tail.join());
4464	+	}}
4465	+
4466	+	/**
4467	+	* A single CompletableFuture with many dependents.
4468	+	* A demo of scalability - runtime is O(n).
4469	+	*/
4470	+	@SuppressWarnings("FutureReturnValueIgnored")
4471	+	public void testManyDependents() throws Throwable {
4472	+	final int n = expensiveTests ? 1_000_000 : 10;
4473	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4474	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4475	+	final AtomicInteger count = new AtomicInteger(0);
4476	+	for (int i = 0; i < n; i++) {
4477	+	head.thenRun(() -> count.getAndIncrement());
4478	+	head.thenAccept(x -> count.getAndIncrement());
4479	+	head.thenApply(x -> count.getAndIncrement());
4480	+
4481	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4482	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4483	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4484	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4485	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4486	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4487	+
4488	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4489	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4490	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4491	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4492	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4493	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4494	+	}
4495	+	head.complete(null);
4496	+	assertEquals(5 * 3 * n, count.get());
4497	+	}
4498	+
4499	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4500	+	@SuppressWarnings("FutureReturnValueIgnored")
4501	+	public void testCoCompletionGarbageRetention() throws Throwable {
4502	+	final int n = expensiveTests ? 1_000_000 : 10;
4503	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4504	+	CompletableFuture<Integer> f;
4505	+	for (int i = 0; i < n; i++) {
4506	+	f = new CompletableFuture<>();
4507	+	f.runAfterEither(incomplete, () -> {});
4508	+	f.complete(null);
4509	+
4510	+	f = new CompletableFuture<>();
4511	+	f.acceptEither(incomplete, x -> {});
4512	+	f.complete(null);
4513	+
4514	+	f = new CompletableFuture<>();
4515	+	f.applyToEither(incomplete, x -> x);
4516	+	f.complete(null);
4517	+
4518	+	f = new CompletableFuture<>();
4519	+	CompletableFuture.anyOf(f, incomplete);
4520	+	f.complete(null);
4521	+	}
4522	+
4523	+	for (int i = 0; i < n; i++) {
4524	+	f = new CompletableFuture<>();
4525	+	incomplete.runAfterEither(f, () -> {});
4526	+	f.complete(null);
4527	+
4528	+	f = new CompletableFuture<>();
4529	+	incomplete.acceptEither(f, x -> {});
4530	+	f.complete(null);
4531	+
4532	+	f = new CompletableFuture<>();
4533	+	incomplete.applyToEither(f, x -> x);
4534	+	f.complete(null);
4535	+
4536	+	f = new CompletableFuture<>();
4537	+	CompletableFuture.anyOf(incomplete, f);
4538	+	f.complete(null);
4539	+	}
4540	+	}
4541	+
4542	+	/**
4543	+	* Reproduction recipe for:
4544	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4545	+	* 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
4546	+	*/
4547	+	public void testAnyOfGarbageRetention() throws Throwable {
4548	+	for (Integer v : new Integer[] { 1, null })
4549	+	{
4550	+	final int n = expensiveTests ? 100_000 : 10;
4551	+	CompletableFuture<Integer>[] fs
4552	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4553	+	for (int i = 0; i < fs.length; i++)
4554	+	fs[i] = new CompletableFuture<>();
4555	+	fs[fs.length - 1].complete(v);
4556	+	for (int i = 0; i < n; i++)
4557	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4558	+	}}
4559	+
4560	+	/**
4561	+	* Checks for garbage retention with allOf.
4562	+	*
4563	+	* As of 2016-07, fails with OOME:
4564	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4565	+	*/
4566	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4567	+	final int n = expensiveTests ? 100_000 : 10;
4568	+	CompletableFuture<Integer>[] fs
4569	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4570	+	for (int i = 0; i < fs.length; i++)
4571	+	fs[i] = new CompletableFuture<>();
4572	+	for (int i = 0; i < n; i++)
4573	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4574	+	}
4575	+
4576	+	/**
4577	+	* Checks for garbage retention when a dependent future is
4578	+	* cancelled and garbage-collected.
4579	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4580	+	*
4581	+	* As of 2016-07, fails with OOME:
4582	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4583	+	*/
4584	+	public void testCancelledGarbageRetention() throws Throwable {
4585	+	final int n = expensiveTests ? 100_000 : 10;
4586	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4587	+	for (int i = 0; i < n; i++)
4588	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4589	+	}
4590	+
4591	+	/**
4592	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4593	+	* is invoked many times.
4594	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4595	+	*
4596	+	* As of 2016-07, fails with OOME:
4597	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4598	+	*/
4599	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4600	+	final int n = expensiveTests ? 900_000 : 10;
4601	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4602	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4603	+	for (int i = 0; i < n; i++)
4604	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4605	+	}
4606	+
4607	+	// static <U> U join(CompletionStage<U> stage) {
4608	+	// CompletableFuture<U> f = new CompletableFuture<>();
4609	+	// stage.whenComplete((v, ex) -> {
4610	+	// if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4611	+	// });
4612	+	// return f.join();
4613	+	// }
4614	+
4615	+	// static <U> boolean isDone(CompletionStage<U> stage) {
4616	+	// CompletableFuture<U> f = new CompletableFuture<>();
4617	+	// stage.whenComplete((v, ex) -> {
4618	+	// if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4619	+	// });
4620	+	// return f.isDone();
4621	+	// }
4622	+
4623	+	// static <U> U join2(CompletionStage<U> stage) {
4624	+	// return stage.toCompletableFuture().copy().join();
4625	+	// }
4626	+
4627	+	// static <U> boolean isDone2(CompletionStage<U> stage) {
4628	+	// return stage.toCompletableFuture().copy().isDone();
4629	+	// }
4630	+
4631	+	// For testing default implementations
4632	+	// Only non-default interface methods defined.
4633	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4634	+	final CompletableFuture<T> cf;
4635	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4636	+	public CompletableFuture<T> toCompletableFuture() {
4637	+	return cf; }
4638	+	public CompletionStage<Void> thenRun
4639	+	(Runnable action) {
4640	+	return cf.thenRun(action); }
4641	+	public CompletionStage<Void> thenRunAsync
4642	+	(Runnable action) {
4643	+	return cf.thenRunAsync(action); }
4644	+	public CompletionStage<Void> thenRunAsync
4645	+	(Runnable action,
4646	+	Executor executor) {
4647	+	return cf.thenRunAsync(action, executor); }
4648	+	public CompletionStage<Void> thenAccept
4649	+	(Consumer<? super T> action) {
4650	+	return cf.thenAccept(action); }
4651	+	public CompletionStage<Void> thenAcceptAsync
4652	+	(Consumer<? super T> action) {
4653	+	return cf.thenAcceptAsync(action); }
4654	+	public CompletionStage<Void> thenAcceptAsync
4655	+	(Consumer<? super T> action,
4656	+	Executor executor) {
4657	+	return cf.thenAcceptAsync(action, executor); }
4658	+	public <U> CompletionStage<U> thenApply
4659	+	(Function<? super T,? extends U> a) {
4660	+	return cf.thenApply(a); }
4661	+	public <U> CompletionStage<U> thenApplyAsync
4662	+	(Function<? super T,? extends U> fn) {
4663	+	return cf.thenApplyAsync(fn); }
4664	+	public <U> CompletionStage<U> thenApplyAsync
4665	+	(Function<? super T,? extends U> fn,
4666	+	Executor executor) {
4667	+	return cf.thenApplyAsync(fn, executor); }
4668	+	public <U,V> CompletionStage<V> thenCombine
4669	+	(CompletionStage<? extends U> other,
4670	+	BiFunction<? super T,? super U,? extends V> fn) {
4671	+	return cf.thenCombine(other, fn); }
4672	+	public <U,V> CompletionStage<V> thenCombineAsync
4673	+	(CompletionStage<? extends U> other,
4674	+	BiFunction<? super T,? super U,? extends V> fn) {
4675	+	return cf.thenCombineAsync(other, fn); }
4676	+	public <U,V> CompletionStage<V> thenCombineAsync
4677	+	(CompletionStage<? extends U> other,
4678	+	BiFunction<? super T,? super U,? extends V> fn,
4679	+	Executor executor) {
4680	+	return cf.thenCombineAsync(other, fn, executor); }
4681	+	public <U> CompletionStage<Void> thenAcceptBoth
4682	+	(CompletionStage<? extends U> other,
4683	+	BiConsumer<? super T, ? super U> action) {
4684	+	return cf.thenAcceptBoth(other, action); }
4685	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4686	+	(CompletionStage<? extends U> other,
4687	+	BiConsumer<? super T, ? super U> action) {
4688	+	return cf.thenAcceptBothAsync(other, action); }
4689	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4690	+	(CompletionStage<? extends U> other,
4691	+	BiConsumer<? super T, ? super U> action,
4692	+	Executor executor) {
4693	+	return cf.thenAcceptBothAsync(other, action, executor); }
4694	+	public CompletionStage<Void> runAfterBoth
4695	+	(CompletionStage<?> other,
4696	+	Runnable action) {
4697	+	return cf.runAfterBoth(other, action); }
4698	+	public CompletionStage<Void> runAfterBothAsync
4699	+	(CompletionStage<?> other,
4700	+	Runnable action) {
4701	+	return cf.runAfterBothAsync(other, action); }
4702	+	public CompletionStage<Void> runAfterBothAsync
4703	+	(CompletionStage<?> other,
4704	+	Runnable action,
4705	+	Executor executor) {
4706	+	return cf.runAfterBothAsync(other, action, executor); }
4707	+	public <U> CompletionStage<U> applyToEither
4708	+	(CompletionStage<? extends T> other,
4709	+	Function<? super T, U> fn) {
4710	+	return cf.applyToEither(other, fn); }
4711	+	public <U> CompletionStage<U> applyToEitherAsync
4712	+	(CompletionStage<? extends T> other,
4713	+	Function<? super T, U> fn) {
4714	+	return cf.applyToEitherAsync(other, fn); }
4715	+	public <U> CompletionStage<U> applyToEitherAsync
4716	+	(CompletionStage<? extends T> other,
4717	+	Function<? super T, U> fn,
4718	+	Executor executor) {
4719	+	return cf.applyToEitherAsync(other, fn, executor); }
4720	+	public CompletionStage<Void> acceptEither
4721	+	(CompletionStage<? extends T> other,
4722	+	Consumer<? super T> action) {
4723	+	return cf.acceptEither(other, action); }
4724	+	public CompletionStage<Void> acceptEitherAsync
4725	+	(CompletionStage<? extends T> other,
4726	+	Consumer<? super T> action) {
4727	+	return cf.acceptEitherAsync(other, action); }
4728	+	public CompletionStage<Void> acceptEitherAsync
4729	+	(CompletionStage<? extends T> other,
4730	+	Consumer<? super T> action,
4731	+	Executor executor) {
4732	+	return cf.acceptEitherAsync(other, action, executor); }
4733	+	public CompletionStage<Void> runAfterEither
4734	+	(CompletionStage<?> other,
4735	+	Runnable action) {
4736	+	return cf.runAfterEither(other, action); }
4737	+	public CompletionStage<Void> runAfterEitherAsync
4738	+	(CompletionStage<?> other,
4739	+	Runnable action) {
4740	+	return cf.runAfterEitherAsync(other, action); }
4741	+	public CompletionStage<Void> runAfterEitherAsync
4742	+	(CompletionStage<?> other,
4743	+	Runnable action,
4744	+	Executor executor) {
4745	+	return cf.runAfterEitherAsync(other, action, executor); }
4746	+	public <U> CompletionStage<U> thenCompose
4747	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4748	+	return cf.thenCompose(fn); }
4749	+	public <U> CompletionStage<U> thenComposeAsync
4750	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4751	+	return cf.thenComposeAsync(fn); }
4752	+	public <U> CompletionStage<U> thenComposeAsync
4753	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4754	+	Executor executor) {
4755	+	return cf.thenComposeAsync(fn, executor); }
4756	+	public <U> CompletionStage<U> handle
4757	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4758	+	return cf.handle(fn); }
4759	+	public <U> CompletionStage<U> handleAsync
4760	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4761	+	return cf.handleAsync(fn); }
4762	+	public <U> CompletionStage<U> handleAsync
4763	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4764	+	Executor executor) {
4765	+	return cf.handleAsync(fn, executor); }
4766	+	public CompletionStage<T> whenComplete
4767	+	(BiConsumer<? super T, ? super Throwable> action) {
4768	+	return cf.whenComplete(action); }
4769	+	public CompletionStage<T> whenCompleteAsync
4770	+	(BiConsumer<? super T, ? super Throwable> action) {
4771	+	return cf.whenCompleteAsync(action); }
4772	+	public CompletionStage<T> whenCompleteAsync
4773	+	(BiConsumer<? super T, ? super Throwable> action,
4774	+	Executor executor) {
4775	+	return cf.whenCompleteAsync(action, executor); }
4776	+	public CompletionStage<T> exceptionally
4777	+	(Function<Throwable, ? extends T> fn) {
4778	+	return cf.exceptionally(fn); }
4779	+	}
4780	+
4781	+	/**
4782	+	* default-implemented exceptionallyAsync action is not invoked when
4783	+	* source completes normally, and source result is propagated
4784	+	*/
4785	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4786	+	for (boolean createIncomplete : new boolean[] { true, false })
4787	+	for (Integer v1 : new Integer[] { 1, null })
4788		{
2813	–	final AtomicInteger a = new AtomicInteger(0);
4789		final CompletableFuture<Integer> f = new CompletableFuture<>();
4790	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4791	<	final CompletableFuture<Integer> g = m.whenComplete
4792	<	(f,
4793	<	(Integer x, Throwable t) -> {
4794	<	threadAssertNull(x);
4795	<	threadAssertTrue(t instanceof CancellationException);
4796	<	a.getAndIncrement();
4790	>	final DelegatedCompletionStage<Integer> d =
4791	>	new DelegatedCompletionStage<Integer>(f);
4792	>	if (!createIncomplete) assertTrue(f.complete(v1));
4793	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4794	>	((Throwable t) -> {
4795	>	threadFail("should not be called");
4796	>	return null; // unreached
4797		});
4798	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4798	>	if (createIncomplete) assertTrue(f.complete(v1));
4799
4800	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	checkCancelled(f);
2828	<	assertEquals(1, a.get());
4800	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4801		}}
4802
4803		/**
4804	<	* If a whenComplete action throws an exception when triggered by
4805	<	* a normal completion, it completes exceptionally
4804	>	* default-implemented exceptionallyAsync action completes with
4805	>	* function value on source exception
4806		*/
4807	<	public void testWhenComplete_actionFailed() {
4807	>	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4808		for (boolean createIncomplete : new boolean[] { true, false })
2837	–	for (ExecutionMode m : ExecutionMode.values())
4809		for (Integer v1 : new Integer[] { 1, null })
4810		{
4811		final AtomicInteger a = new AtomicInteger(0);
4812		final CFException ex = new CFException();
4813		final CompletableFuture<Integer> f = new CompletableFuture<>();
4814	<	if (!createIncomplete) f.complete(v1);
4815	<	final CompletableFuture<Integer> g = m.whenComplete
4816	<	(f,
4817	<	(Integer x, Throwable t) -> {
4818	<	threadAssertSame(x, v1);
4819	<	threadAssertNull(t);
4814	>	final DelegatedCompletionStage<Integer> d =
4815	>	new DelegatedCompletionStage<Integer>(f);
4816	>	if (!createIncomplete) f.completeExceptionally(ex);
4817	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4818	>	((Throwable t) -> {
4819	>	threadAssertSame(t, ex);
4820		a.getAndIncrement();
4821	<	throw ex;
4821	>	return v1;
4822		});
4823	<	if (createIncomplete) f.complete(v1);
4824	<	checkCompletedNormally(f, v1);
4825	<	checkCompletedWithWrappedCFException(g, ex);
4823	>	if (createIncomplete) f.completeExceptionally(ex);
4824	>
4825	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4826		assertEquals(1, a.get());
4827		}}
4828
4829		/**
4830	<	* If a whenComplete action throws an exception when triggered by
4831	<	* a source completion that also throws an exception, the source
4832	<	* exception takes precedence.
4830	>	* Under default implementation, if an "exceptionally action"
4831	>	* throws an exception, it completes exceptionally with that
4832	>	* exception
4833		*/
4834	<	public void testWhenComplete_actionFailedSourceFailed() {
4834	>	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4835		for (boolean createIncomplete : new boolean[] { true, false })
2865	–	for (ExecutionMode m : ExecutionMode.values())
2866	–	for (Integer v1 : new Integer[] { 1, null })
4836		{
4837		final AtomicInteger a = new AtomicInteger(0);
4838		final CFException ex1 = new CFException();
4839		final CFException ex2 = new CFException();
4840		final CompletableFuture<Integer> f = new CompletableFuture<>();
4841	<
4841	>	final DelegatedCompletionStage<Integer> d =
4842	>	new DelegatedCompletionStage<Integer>(f);
4843		if (!createIncomplete) f.completeExceptionally(ex1);
4844	<	final CompletableFuture<Integer> g = m.whenComplete
4845	<	(f,
2876	<	(Integer x, Throwable t) -> {
4844	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4845	>	((Throwable t) -> {
4846		threadAssertSame(t, ex1);
2878	–	threadAssertNull(x);
4847		a.getAndIncrement();
4848		throw ex2;
4849		});
4850		if (createIncomplete) f.completeExceptionally(ex1);
4851
4852	<	checkCompletedWithWrappedCFException(f, ex1);
4853	<	checkCompletedWithWrappedCFException(g, ex1);
4852	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4853	>	checkCompletedExceptionally(f, ex1);
4854	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4855		assertEquals(1, a.get());
4856		}}
4857
4858	+	/**
4859	+	* default exceptionallyCompose result completes normally after normal
4860	+	* completion of source
4861	+	*/
4862	+	public void testDefaultExceptionallyCompose_normalCompletion() {
4863	+	for (boolean createIncomplete : new boolean[] { true, false })
4864	+	for (Integer v1 : new Integer[] { 1, null })
4865	+	{
4866	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4867	+	final ExceptionalCompletableFutureFunction r =
4868	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4869	+	final DelegatedCompletionStage<Integer> d =
4870	+	new DelegatedCompletionStage<Integer>(f);
4871	+	if (!createIncomplete) assertTrue(f.complete(v1));
4872	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4873	+	if (createIncomplete) assertTrue(f.complete(v1));
4874	+
4875	+	checkCompletedNormally(f, v1);
4876	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4877	+	r.assertNotInvoked();
4878	+	}}
4879	+
4880	+	/**
4881	+	* default-implemented exceptionallyCompose result completes
4882	+	* normally after exceptional completion of source
4883	+	*/
4884	+	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4885	+	for (boolean createIncomplete : new boolean[] { true, false })
4886	+	{
4887	+	final CFException ex = new CFException();
4888	+	final ExceptionalCompletableFutureFunction r =
4889	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4890	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4891	+	final DelegatedCompletionStage<Integer> d =
4892	+	new DelegatedCompletionStage<Integer>(f);
4893	+	if (!createIncomplete) f.completeExceptionally(ex);
4894	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4895	+	if (createIncomplete) f.completeExceptionally(ex);
4896	+
4897	+	checkCompletedExceptionally(f, ex);
4898	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4899	+	r.assertInvoked();
4900	+	}}
4901	+
4902	+	/**
4903	+	* default-implemented exceptionallyCompose completes
4904	+	* exceptionally on exception if action does
4905	+	*/
4906	+	public void testDefaultExceptionallyCompose_actionFailed() {
4907	+	for (boolean createIncomplete : new boolean[] { true, false })
4908	+	for (Integer v1 : new Integer[] { 1, null })
4909	+	{
4910	+	final CFException ex = new CFException();
4911	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4912	+	final FailingExceptionalCompletableFutureFunction r
4913	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4914	+	final DelegatedCompletionStage<Integer> d =
4915	+	new DelegatedCompletionStage<Integer>(f);
4916	+	if (!createIncomplete) f.completeExceptionally(ex);
4917	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4918	+	if (createIncomplete) f.completeExceptionally(ex);
4919	+
4920	+	checkCompletedExceptionally(f, ex);
4921	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4922	+	r.assertInvoked();
4923	+	}}
4924	+
4925	+	/**
4926	+	* default exceptionallyComposeAsync result completes normally after normal
4927	+	* completion of source
4928	+	*/
4929	+	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4930	+	for (boolean createIncomplete : new boolean[] { true, false })
4931	+	for (Integer v1 : new Integer[] { 1, null })
4932	+	{
4933	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4934	+	final ExceptionalCompletableFutureFunction r =
4935	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4936	+	final DelegatedCompletionStage<Integer> d =
4937	+	new DelegatedCompletionStage<Integer>(f);
4938	+	if (!createIncomplete) assertTrue(f.complete(v1));
4939	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4940	+	if (createIncomplete) assertTrue(f.complete(v1));
4941	+
4942	+	checkCompletedNormally(f, v1);
4943	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4944	+	r.assertNotInvoked();
4945	+	}}
4946	+
4947	+	/**
4948	+	* default-implemented exceptionallyComposeAsync result completes
4949	+	* normally after exceptional completion of source
4950	+	*/
4951	+	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4952	+	for (boolean createIncomplete : new boolean[] { true, false })
4953	+	{
4954	+	final CFException ex = new CFException();
4955	+	final ExceptionalCompletableFutureFunction r =
4956	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4957	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4958	+	final DelegatedCompletionStage<Integer> d =
4959	+	new DelegatedCompletionStage<Integer>(f);
4960	+	if (!createIncomplete) f.completeExceptionally(ex);
4961	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4962	+	if (createIncomplete) f.completeExceptionally(ex);
4963	+
4964	+	checkCompletedExceptionally(f, ex);
4965	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4966	+	r.assertInvoked();
4967	+	}}
4968	+
4969	+	/**
4970	+	* default-implemented exceptionallyComposeAsync completes
4971	+	* exceptionally on exception if action does
4972	+	*/
4973	+	public void testDefaultExceptionallyComposeAsync_actionFailed() {
4974	+	for (boolean createIncomplete : new boolean[] { true, false })
4975	+	for (Integer v1 : new Integer[] { 1, null })
4976	+	{
4977	+	final CFException ex = new CFException();
4978	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4979	+	final FailingExceptionalCompletableFutureFunction r
4980	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4981	+	final DelegatedCompletionStage<Integer> d =
4982	+	new DelegatedCompletionStage<Integer>(f);
4983	+	if (!createIncomplete) f.completeExceptionally(ex);
4984	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4985	+	if (createIncomplete) f.completeExceptionally(ex);
4986	+
4987	+	checkCompletedExceptionally(f, ex);
4988	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4989	+	r.assertInvoked();
4990	+	}}
4991	+
4992	+
4993	+	/**
4994	+	* default exceptionallyComposeAsync result completes normally after normal
4995	+	* completion of source
4996	+	*/
4997	+	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
4998	+	for (boolean createIncomplete : new boolean[] { true, false })
4999	+	for (Integer v1 : new Integer[] { 1, null })
5000	+	{
5001	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5002	+	final ExceptionalCompletableFutureFunction r =
5003	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5004	+	final DelegatedCompletionStage<Integer> d =
5005	+	new DelegatedCompletionStage<Integer>(f);
5006	+	if (!createIncomplete) assertTrue(f.complete(v1));
5007	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5008	+	if (createIncomplete) assertTrue(f.complete(v1));
5009	+
5010	+	checkCompletedNormally(f, v1);
5011	+	checkCompletedNormally(g.toCompletableFuture(), v1);
5012	+	r.assertNotInvoked();
5013	+	}}
5014	+
5015	+	/**
5016	+	* default-implemented exceptionallyComposeAsync result completes
5017	+	* normally after exceptional completion of source
5018	+	*/
5019	+	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5020	+	for (boolean createIncomplete : new boolean[] { true, false })
5021	+	{
5022	+	final CFException ex = new CFException();
5023	+	final ExceptionalCompletableFutureFunction r =
5024	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5025	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5026	+	final DelegatedCompletionStage<Integer> d =
5027	+	new DelegatedCompletionStage<Integer>(f);
5028	+	if (!createIncomplete) f.completeExceptionally(ex);
5029	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5030	+	if (createIncomplete) f.completeExceptionally(ex);
5031	+
5032	+	checkCompletedExceptionally(f, ex);
5033	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5034	+	r.assertInvoked();
5035	+	}}
5036	+
5037	+	/**
5038	+	* default-implemented exceptionallyComposeAsync completes
5039	+	* exceptionally on exception if action does
5040	+	*/
5041	+	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5042	+	for (boolean createIncomplete : new boolean[] { true, false })
5043	+	for (Integer v1 : new Integer[] { 1, null })
5044	+	{
5045	+	final CFException ex = new CFException();
5046	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5047	+	final FailingExceptionalCompletableFutureFunction r
5048	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5049	+	final DelegatedCompletionStage<Integer> d =
5050	+	new DelegatedCompletionStage<Integer>(f);
5051	+	if (!createIncomplete) f.completeExceptionally(ex);
5052	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5053	+	if (createIncomplete) f.completeExceptionally(ex);
5054	+
5055	+	checkCompletedExceptionally(f, ex);
5056	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5057	+	r.assertInvoked();
5058	+	}}
5059	+
5060		}

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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents): Revision 1.68 by jsr166, Fri Jun 6 19:35:54 2014 UTC vs. Revision 1.208 by jsr166, Sun Sep 23 15:29:31 2018 UTC

Diff Legend

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.68 by jsr166, Fri Jun 6 19:35:54 2014 UTC vs.
Revision 1.208 by jsr166, Sun Sep 23 15:29:31 2018 UTC