[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 1.206 by jsr166, Sun Sep 23 02:04:03 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		{
929		final AtomicInteger a = new AtomicInteger(0);
930		final CompletableFuture<Integer> f = new CompletableFuture<>();
931	<	if (!createIncomplete) f.complete(v1);
932	<	final CompletableFuture<Integer> g = f.exceptionally
933	<	((Throwable t) -> {
800	<	// Should not be called
931	>	if (!createIncomplete) assertTrue(f.complete(v1));
932	>	final CompletableFuture<Integer> g = m.exceptionally
933	>	(f, (Throwable t) -> {
934		a.getAndIncrement();
935	<	throw new AssertionError();
935	>	threadFail("should not be called");
936	>	return null; // unreached
937		});
938	<	if (createIncomplete) f.complete(v1);
938	>	if (createIncomplete) assertTrue(f.complete(v1));
939
940		checkCompletedNormally(g, v1);
941		checkCompletedNormally(f, v1);
942		assertEquals(0, a.get());
943		}}
944
811	–
945		/**
946		* exceptionally action completes with function value on source
947		* exception
948		*/
949		public void testExceptionally_exceptionalCompletion() {
950	+	for (ExecutionMode m : ExecutionMode.values())
951		for (boolean createIncomplete : new boolean[] { true, false })
952		for (Integer v1 : new Integer[] { 1, null })
953		{
#	Line 821 \| Line 955 \| public class CompletableFutureTest exten
955		final CFException ex = new CFException();
956		final CompletableFuture<Integer> f = new CompletableFuture<>();
957		if (!createIncomplete) f.completeExceptionally(ex);
958	<	final CompletableFuture<Integer> g = f.exceptionally
959	<	((Throwable t) -> {
960	<	ExecutionMode.DEFAULT.checkExecutionMode();
958	>	final CompletableFuture<Integer> g = m.exceptionally
959	>	(f, (Throwable t) -> {
960	>	m.checkExecutionMode();
961		threadAssertSame(t, ex);
962		a.getAndIncrement();
963		return v1;
#	Line 834 \| Line 968 \| public class CompletableFutureTest exten
968		assertEquals(1, a.get());
969		}}
970
971	+	/**
972	+	* If an "exceptionally action" throws an exception, it completes
973	+	* exceptionally with that exception
974	+	*/
975		public void testExceptionally_exceptionalCompletionActionFailed() {
976	+	for (ExecutionMode m : ExecutionMode.values())
977	+	for (boolean createIncomplete : new boolean[] { true, false })
978	+	{
979	+	final AtomicInteger a = new AtomicInteger(0);
980	+	final CFException ex1 = new CFException();
981	+	final CFException ex2 = new CFException();
982	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
983	+	if (!createIncomplete) f.completeExceptionally(ex1);
984	+	final CompletableFuture<Integer> g = m.exceptionally
985	+	(f, (Throwable t) -> {
986	+	m.checkExecutionMode();
987	+	threadAssertSame(t, ex1);
988	+	a.getAndIncrement();
989	+	throw ex2;
990	+	});
991	+	if (createIncomplete) f.completeExceptionally(ex1);
992	+
993	+	checkCompletedWithWrappedException(g, ex2);
994	+	checkCompletedExceptionally(f, ex1);
995	+	assertEquals(1, a.get());
996	+	}}
997	+
998	+	/**
999	+	* whenComplete action executes on normal completion, propagating
1000	+	* source result.
1001	+	*/
1002	+	public void testWhenComplete_normalCompletion() {
1003	+	for (ExecutionMode m : ExecutionMode.values())
1004	+	for (boolean createIncomplete : new boolean[] { true, false })
1005	+	for (Integer v1 : new Integer[] { 1, null })
1006	+	{
1007	+	final AtomicInteger a = new AtomicInteger(0);
1008	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1009	+	if (!createIncomplete) assertTrue(f.complete(v1));
1010	+	final CompletableFuture<Integer> g = m.whenComplete
1011	+	(f,
1012	+	(Integer result, Throwable t) -> {
1013	+	m.checkExecutionMode();
1014	+	threadAssertSame(result, v1);
1015	+	threadAssertNull(t);
1016	+	a.getAndIncrement();
1017	+	});
1018	+	if (createIncomplete) assertTrue(f.complete(v1));
1019	+
1020	+	checkCompletedNormally(g, v1);
1021	+	checkCompletedNormally(f, v1);
1022	+	assertEquals(1, a.get());
1023	+	}}
1024	+
1025	+	/**
1026	+	* whenComplete action executes on exceptional completion, propagating
1027	+	* source result.
1028	+	*/
1029	+	public void testWhenComplete_exceptionalCompletion() {
1030	+	for (ExecutionMode m : ExecutionMode.values())
1031	+	for (boolean createIncomplete : new boolean[] { true, false })
1032	+	{
1033	+	final AtomicInteger a = new AtomicInteger(0);
1034	+	final CFException ex = new CFException();
1035	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1036	+	if (!createIncomplete) f.completeExceptionally(ex);
1037	+	final CompletableFuture<Integer> g = m.whenComplete
1038	+	(f,
1039	+	(Integer result, Throwable t) -> {
1040	+	m.checkExecutionMode();
1041	+	threadAssertNull(result);
1042	+	threadAssertSame(t, ex);
1043	+	a.getAndIncrement();
1044	+	});
1045	+	if (createIncomplete) f.completeExceptionally(ex);
1046	+
1047	+	checkCompletedWithWrappedException(g, ex);
1048	+	checkCompletedExceptionally(f, ex);
1049	+	assertEquals(1, a.get());
1050	+	}}
1051	+
1052	+	/**
1053	+	* whenComplete action executes on cancelled source, propagating
1054	+	* CancellationException.
1055	+	*/
1056	+	public void testWhenComplete_sourceCancelled() {
1057	+	for (ExecutionMode m : ExecutionMode.values())
1058	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1059		for (boolean createIncomplete : new boolean[] { true, false })
1060	+	{
1061	+	final AtomicInteger a = new AtomicInteger(0);
1062	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1063	+	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1064	+	final CompletableFuture<Integer> g = m.whenComplete
1065	+	(f,
1066	+	(Integer result, Throwable t) -> {
1067	+	m.checkExecutionMode();
1068	+	threadAssertNull(result);
1069	+	threadAssertTrue(t instanceof CancellationException);
1070	+	a.getAndIncrement();
1071	+	});
1072	+	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1073	+
1074	+	checkCompletedWithWrappedCancellationException(g);
1075	+	checkCancelled(f);
1076	+	assertEquals(1, a.get());
1077	+	}}
1078	+
1079	+	/**
1080	+	* If a whenComplete action throws an exception when triggered by
1081	+	* a normal completion, it completes exceptionally
1082	+	*/
1083	+	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1084	+	for (boolean createIncomplete : new boolean[] { true, false })
1085	+	for (ExecutionMode m : ExecutionMode.values())
1086		for (Integer v1 : new Integer[] { 1, null })
1087		{
1088		final AtomicInteger a = new AtomicInteger(0);
1089	+	final CFException ex = new CFException();
1090	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1091	+	if (!createIncomplete) assertTrue(f.complete(v1));
1092	+	final CompletableFuture<Integer> g = m.whenComplete
1093	+	(f,
1094	+	(Integer result, Throwable t) -> {
1095	+	m.checkExecutionMode();
1096	+	threadAssertSame(result, v1);
1097	+	threadAssertNull(t);
1098	+	a.getAndIncrement();
1099	+	throw ex;
1100	+	});
1101	+	if (createIncomplete) assertTrue(f.complete(v1));
1102	+
1103	+	checkCompletedWithWrappedException(g, ex);
1104	+	checkCompletedNormally(f, v1);
1105	+	assertEquals(1, a.get());
1106	+	}}
1107	+
1108	+	/**
1109	+	* If a whenComplete action throws an exception when triggered by
1110	+	* a source completion that also throws an exception, the source
1111	+	* exception takes precedence (unlike handle)
1112	+	*/
1113	+	public void testWhenComplete_sourceFailedActionFailed() {
1114	+	for (boolean createIncomplete : new boolean[] { true, false })
1115	+	for (ExecutionMode m : ExecutionMode.values())
1116	+	{
1117	+	final AtomicInteger a = new AtomicInteger(0);
1118		final CFException ex1 = new CFException();
1119		final CFException ex2 = new CFException();
1120		final CompletableFuture<Integer> f = new CompletableFuture<>();
1121	+
1122		if (!createIncomplete) f.completeExceptionally(ex1);
1123	<	final CompletableFuture<Integer> g = f.exceptionally
1124	<	((Throwable t) -> {
1125	<	ExecutionMode.DEFAULT.checkExecutionMode();
1123	>	final CompletableFuture<Integer> g = m.whenComplete
1124	>	(f,
1125	>	(Integer result, Throwable t) -> {
1126	>	m.checkExecutionMode();
1127		threadAssertSame(t, ex1);
1128	+	threadAssertNull(result);
1129		a.getAndIncrement();
1130		throw ex2;
1131		});
1132		if (createIncomplete) f.completeExceptionally(ex1);
1133
1134	<	checkCompletedWithWrappedCFException(g, ex2);
1134	>	checkCompletedWithWrappedException(g, ex1);
1135	>	checkCompletedExceptionally(f, ex1);
1136	>	if (testImplementationDetails) {
1137	>	assertEquals(1, ex1.getSuppressed().length);
1138	>	assertSame(ex2, ex1.getSuppressed()[0]);
1139	>	}
1140		assertEquals(1, a.get());
1141		}}
1142
#	Line 867 \| Line 1151 \| public class CompletableFutureTest exten
1151		{
1152		final CompletableFuture<Integer> f = new CompletableFuture<>();
1153		final AtomicInteger a = new AtomicInteger(0);
1154	<	if (!createIncomplete) f.complete(v1);
1154	>	if (!createIncomplete) assertTrue(f.complete(v1));
1155		final CompletableFuture<Integer> g = m.handle
1156		(f,
1157	<	(Integer x, Throwable t) -> {
1157	>	(Integer result, Throwable t) -> {
1158		m.checkExecutionMode();
1159	<	threadAssertSame(x, v1);
1159	>	threadAssertSame(result, v1);
1160		threadAssertNull(t);
1161		a.getAndIncrement();
1162		return inc(v1);
1163		});
1164	<	if (createIncomplete) f.complete(v1);
1164	>	if (createIncomplete) assertTrue(f.complete(v1));
1165
1166		checkCompletedNormally(g, inc(v1));
1167		checkCompletedNormally(f, v1);
#	Line 899 \| Line 1183 \| public class CompletableFutureTest exten
1183		if (!createIncomplete) f.completeExceptionally(ex);
1184		final CompletableFuture<Integer> g = m.handle
1185		(f,
1186	<	(Integer x, Throwable t) -> {
1186	>	(Integer result, Throwable t) -> {
1187		m.checkExecutionMode();
1188	<	threadAssertNull(x);
1188	>	threadAssertNull(result);
1189		threadAssertSame(t, ex);
1190		a.getAndIncrement();
1191		return v1;
#	Line 909 \| Line 1193 \| public class CompletableFutureTest exten
1193		if (createIncomplete) f.completeExceptionally(ex);
1194
1195		checkCompletedNormally(g, v1);
1196	<	checkCompletedWithWrappedCFException(f, ex);
1196	>	checkCompletedExceptionally(f, ex);
1197		assertEquals(1, a.get());
1198		}}
1199
#	Line 928 \| Line 1212 \| public class CompletableFutureTest exten
1212		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1213		final CompletableFuture<Integer> g = m.handle
1214		(f,
1215	<	(Integer x, Throwable t) -> {
1215	>	(Integer result, Throwable t) -> {
1216		m.checkExecutionMode();
1217	<	threadAssertNull(x);
1217	>	threadAssertNull(result);
1218		threadAssertTrue(t instanceof CancellationException);
1219		a.getAndIncrement();
1220		return v1;
#	Line 943 \| Line 1227 \| public class CompletableFutureTest exten
1227		}}
1228
1229		/**
1230	<	* handle result completes exceptionally if action does
1230	>	* If a "handle action" throws an exception when triggered by
1231	>	* a normal completion, it completes exceptionally
1232		*/
1233	<	public void testHandle_sourceFailedActionFailed() {
1233	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1234		for (ExecutionMode m : ExecutionMode.values())
1235		for (boolean createIncomplete : new boolean[] { true, false })
1236	+	for (Integer v1 : new Integer[] { 1, null })
1237		{
1238		final CompletableFuture<Integer> f = new CompletableFuture<>();
1239		final AtomicInteger a = new AtomicInteger(0);
1240	<	final CFException ex1 = new CFException();
1241	<	final CFException ex2 = new CFException();
956	<	if (!createIncomplete) f.completeExceptionally(ex1);
1240	>	final CFException ex = new CFException();
1241	>	if (!createIncomplete) assertTrue(f.complete(v1));
1242		final CompletableFuture<Integer> g = m.handle
1243		(f,
1244	<	(Integer x, Throwable t) -> {
1244	>	(Integer result, Throwable t) -> {
1245		m.checkExecutionMode();
1246	<	threadAssertNull(x);
1247	<	threadAssertSame(ex1, t);
1246	>	threadAssertSame(result, v1);
1247	>	threadAssertNull(t);
1248		a.getAndIncrement();
1249	<	throw ex2;
1249	>	throw ex;
1250		});
1251	<	if (createIncomplete) f.completeExceptionally(ex1);
1251	>	if (createIncomplete) assertTrue(f.complete(v1));
1252
1253	<	checkCompletedWithWrappedCFException(g, ex2);
1254	<	checkCompletedWithWrappedCFException(f, ex1);
1253	>	checkCompletedWithWrappedException(g, ex);
1254	>	checkCompletedNormally(f, v1);
1255		assertEquals(1, a.get());
1256		}}
1257
1258	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1259	<	for (ExecutionMode m : ExecutionMode.values())
1258	>	/**
1259	>	* If a "handle action" throws an exception when triggered by
1260	>	* a source completion that also throws an exception, the action
1261	>	* exception takes precedence (unlike whenComplete)
1262	>	*/
1263	>	public void testHandle_sourceFailedActionFailed() {
1264		for (boolean createIncomplete : new boolean[] { true, false })
1265	<	for (Integer v1 : new Integer[] { 1, null })
1265	>	for (ExecutionMode m : ExecutionMode.values())
1266		{
978	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1267		final AtomicInteger a = new AtomicInteger(0);
1268	<	final CFException ex = new CFException();
1269	<	if (!createIncomplete) f.complete(v1);
1268	>	final CFException ex1 = new CFException();
1269	>	final CFException ex2 = new CFException();
1270	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1271	>
1272	>	if (!createIncomplete) f.completeExceptionally(ex1);
1273		final CompletableFuture<Integer> g = m.handle
1274		(f,
1275	<	(Integer x, Throwable t) -> {
1275	>	(Integer result, Throwable t) -> {
1276		m.checkExecutionMode();
1277	<	threadAssertSame(x, v1);
1278	<	threadAssertNull(t);
1277	>	threadAssertNull(result);
1278	>	threadAssertSame(ex1, t);
1279		a.getAndIncrement();
1280	<	throw ex;
1280	>	throw ex2;
1281		});
1282	<	if (createIncomplete) f.complete(v1);
1282	>	if (createIncomplete) f.completeExceptionally(ex1);
1283
1284	<	checkCompletedWithWrappedCFException(g, ex);
1285	<	checkCompletedNormally(f, v1);
1284	>	checkCompletedWithWrappedException(g, ex2);
1285	>	checkCompletedExceptionally(f, ex1);
1286		assertEquals(1, a.get());
1287		}}
1288
#	Line 1024 \| Line 1315 \| public class CompletableFutureTest exten
1315		{
1316		final FailingRunnable r = new FailingRunnable(m);
1317		final CompletableFuture<Void> f = m.runAsync(r);
1318	<	checkCompletedWithWrappedCFException(f);
1318	>	checkCompletedWithWrappedException(f, r.ex);
1319		r.assertInvoked();
1320		}}
1321
1322	+	@SuppressWarnings("FutureReturnValueIgnored")
1323	+	public void testRunAsync_rejectingExecutor() {
1324	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1325	+	try {
1326	+	CompletableFuture.runAsync(() -> {}, e);
1327	+	shouldThrow();
1328	+	} catch (Throwable t) {
1329	+	assertSame(e.ex, t);
1330	+	}
1331	+
1332	+	assertEquals(1, e.count.get());
1333	+	}
1334	+
1335		/**
1336		* supplyAsync completes with result of supplier
1337		*/
#	Line 1058 \| Line 1362 \| public class CompletableFutureTest exten
1362		{
1363		FailingSupplier r = new FailingSupplier(m);
1364		CompletableFuture<Integer> f = m.supplyAsync(r);
1365	<	checkCompletedWithWrappedCFException(f);
1365	>	checkCompletedWithWrappedException(f, r.ex);
1366		r.assertInvoked();
1367		}}
1368
1369	+	@SuppressWarnings("FutureReturnValueIgnored")
1370	+	public void testSupplyAsync_rejectingExecutor() {
1371	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1372	+	try {
1373	+	CompletableFuture.supplyAsync(() -> null, e);
1374	+	shouldThrow();
1375	+	} catch (Throwable t) {
1376	+	assertSame(e.ex, t);
1377	+	}
1378	+
1379	+	assertEquals(1, e.count.get());
1380	+	}
1381	+
1382		// seq completion methods
1383
1384		/**
#	Line 1069 \| Line 1386 \| public class CompletableFutureTest exten
1386		*/
1387		public void testThenRun_normalCompletion() {
1388		for (ExecutionMode m : ExecutionMode.values())
1072	–	for (boolean createIncomplete : new boolean[] { true, false })
1389		for (Integer v1 : new Integer[] { 1, null })
1390		{
1391		final CompletableFuture<Integer> f = new CompletableFuture<>();
1392	<	final Noop r = new Noop(m);
1393	<	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	<	}
1392	>	final Noop[] rs = new Noop[6];
1393	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1394
1395	<	checkCompletedNormally(g, null);
1395	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1396	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1397	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1398	>	checkIncomplete(h0);
1399	>	checkIncomplete(h1);
1400	>	checkIncomplete(h2);
1401	>	assertTrue(f.complete(v1));
1402	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1403	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1404	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1405	>
1406	>	checkCompletedNormally(h0, null);
1407	>	checkCompletedNormally(h1, null);
1408	>	checkCompletedNormally(h2, null);
1409	>	checkCompletedNormally(h3, null);
1410	>	checkCompletedNormally(h4, null);
1411	>	checkCompletedNormally(h5, null);
1412		checkCompletedNormally(f, v1);
1413	<	r.assertInvoked();
1413	>	for (Noop r : rs) r.assertInvoked();
1414		}}
1415
1416		/**
#	Line 1092 \| Line 1419 \| public class CompletableFutureTest exten
1419		*/
1420		public void testThenRun_exceptionalCompletion() {
1421		for (ExecutionMode m : ExecutionMode.values())
1095	–	for (boolean createIncomplete : new boolean[] { true, false })
1422		{
1423		final CFException ex = new CFException();
1424		final CompletableFuture<Integer> f = new CompletableFuture<>();
1425	<	final Noop r = new Noop(m);
1426	<	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	<	}
1425	>	final Noop[] rs = new Noop[6];
1426	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1427
1428	<	checkCompletedWithWrappedCFException(g, ex);
1429	<	checkCompletedWithWrappedCFException(f, ex);
1430	<	r.assertNotInvoked();
1428	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1429	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1430	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1431	>	checkIncomplete(h0);
1432	>	checkIncomplete(h1);
1433	>	checkIncomplete(h2);
1434	>	assertTrue(f.completeExceptionally(ex));
1435	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1436	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1437	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1438	>
1439	>	checkCompletedWithWrappedException(h0, ex);
1440	>	checkCompletedWithWrappedException(h1, ex);
1441	>	checkCompletedWithWrappedException(h2, ex);
1442	>	checkCompletedWithWrappedException(h3, ex);
1443	>	checkCompletedWithWrappedException(h4, ex);
1444	>	checkCompletedWithWrappedException(h5, ex);
1445	>	checkCompletedExceptionally(f, ex);
1446	>	for (Noop r : rs) r.assertNotInvoked();
1447		}}
1448
1449		/**
#	Line 1114 \| Line 1451 \| public class CompletableFutureTest exten
1451		*/
1452		public void testThenRun_sourceCancelled() {
1453		for (ExecutionMode m : ExecutionMode.values())
1117	–	for (boolean createIncomplete : new boolean[] { true, false })
1454		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1455		{
1456		final CompletableFuture<Integer> f = new CompletableFuture<>();
1457	<	final Noop r = new Noop(m);
1458	<	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	<	}
1457	>	final Noop[] rs = new Noop[6];
1458	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1459
1460	<	checkCompletedWithWrappedCancellationException(g);
1460	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1461	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1462	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1463	>	checkIncomplete(h0);
1464	>	checkIncomplete(h1);
1465	>	checkIncomplete(h2);
1466	>	assertTrue(f.cancel(mayInterruptIfRunning));
1467	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1468	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1469	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1470	>
1471	>	checkCompletedWithWrappedCancellationException(h0);
1472	>	checkCompletedWithWrappedCancellationException(h1);
1473	>	checkCompletedWithWrappedCancellationException(h2);
1474	>	checkCompletedWithWrappedCancellationException(h3);
1475	>	checkCompletedWithWrappedCancellationException(h4);
1476	>	checkCompletedWithWrappedCancellationException(h5);
1477		checkCancelled(f);
1478	<	r.assertNotInvoked();
1478	>	for (Noop r : rs) r.assertNotInvoked();
1479		}}
1480
1481		/**
#	Line 1136 \| Line 1483 \| public class CompletableFutureTest exten
1483		*/
1484		public void testThenRun_actionFailed() {
1485		for (ExecutionMode m : ExecutionMode.values())
1139	–	for (boolean createIncomplete : new boolean[] { true, false })
1486		for (Integer v1 : new Integer[] { 1, null })
1487		{
1488		final CompletableFuture<Integer> f = new CompletableFuture<>();
1489	<	final FailingRunnable r = new FailingRunnable(m);
1490	<	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	<	}
1489	>	final FailingRunnable[] rs = new FailingRunnable[6];
1490	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1491
1492	<	checkCompletedWithWrappedCFException(g);
1492	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1493	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1494	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1495	>	assertTrue(f.complete(v1));
1496	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1497	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1498	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1499	>
1500	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1501	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1502	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1503	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1504	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1505	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1506		checkCompletedNormally(f, v1);
1507		}}
1508
#	Line 1157 \| Line 1511 \| public class CompletableFutureTest exten
1511		*/
1512		public void testThenApply_normalCompletion() {
1513		for (ExecutionMode m : ExecutionMode.values())
1160	–	for (boolean createIncomplete : new boolean[] { true, false })
1514		for (Integer v1 : new Integer[] { 1, null })
1515		{
1516		final CompletableFuture<Integer> f = new CompletableFuture<>();
1517	<	final IncFunction r = new IncFunction(m);
1518	<	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	<	}
1517	>	final IncFunction[] rs = new IncFunction[4];
1518	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1519
1520	<	checkCompletedNormally(g, inc(v1));
1520	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1521	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1522	>	checkIncomplete(h0);
1523	>	checkIncomplete(h1);
1524	>	assertTrue(f.complete(v1));
1525	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1526	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1527	>
1528	>	checkCompletedNormally(h0, inc(v1));
1529	>	checkCompletedNormally(h1, inc(v1));
1530	>	checkCompletedNormally(h2, inc(v1));
1531	>	checkCompletedNormally(h3, inc(v1));
1532		checkCompletedNormally(f, v1);
1533	<	r.assertInvoked();
1533	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1534		}}
1535
1536		/**
#	Line 1180 \| Line 1539 \| public class CompletableFutureTest exten
1539		*/
1540		public void testThenApply_exceptionalCompletion() {
1541		for (ExecutionMode m : ExecutionMode.values())
1183	–	for (boolean createIncomplete : new boolean[] { true, false })
1542		{
1543		final CFException ex = new CFException();
1544		final CompletableFuture<Integer> f = new CompletableFuture<>();
1545	<	final IncFunction r = new IncFunction(m);
1546	<	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	<	}
1545	>	final IncFunction[] rs = new IncFunction[4];
1546	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1547
1548	<	checkCompletedWithWrappedCFException(g, ex);
1549	<	checkCompletedWithWrappedCFException(f, ex);
1550	<	r.assertNotInvoked();
1548	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1549	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1550	>	assertTrue(f.completeExceptionally(ex));
1551	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1552	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1553	>
1554	>	checkCompletedWithWrappedException(h0, ex);
1555	>	checkCompletedWithWrappedException(h1, ex);
1556	>	checkCompletedWithWrappedException(h2, ex);
1557	>	checkCompletedWithWrappedException(h3, ex);
1558	>	checkCompletedExceptionally(f, ex);
1559	>	for (IncFunction r : rs) r.assertNotInvoked();
1560		}}
1561
1562		/**
#	Line 1202 \| Line 1564 \| public class CompletableFutureTest exten
1564		*/
1565		public void testThenApply_sourceCancelled() {
1566		for (ExecutionMode m : ExecutionMode.values())
1205	–	for (boolean createIncomplete : new boolean[] { true, false })
1567		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1568		{
1569		final CompletableFuture<Integer> f = new CompletableFuture<>();
1570	<	final IncFunction r = new IncFunction(m);
1571	<	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	<	}
1570	>	final IncFunction[] rs = new IncFunction[4];
1571	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1572
1573	<	checkCompletedWithWrappedCancellationException(g);
1573	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1574	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1575	>	assertTrue(f.cancel(mayInterruptIfRunning));
1576	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1577	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1578	>
1579	>	checkCompletedWithWrappedCancellationException(h0);
1580	>	checkCompletedWithWrappedCancellationException(h1);
1581	>	checkCompletedWithWrappedCancellationException(h2);
1582	>	checkCompletedWithWrappedCancellationException(h3);
1583		checkCancelled(f);
1584	<	r.assertNotInvoked();
1584	>	for (IncFunction r : rs) r.assertNotInvoked();
1585		}}
1586
1587		/**
#	Line 1224 \| Line 1589 \| public class CompletableFutureTest exten
1589		*/
1590		public void testThenApply_actionFailed() {
1591		for (ExecutionMode m : ExecutionMode.values())
1227	–	for (boolean createIncomplete : new boolean[] { true, false })
1592		for (Integer v1 : new Integer[] { 1, null })
1593		{
1594		final CompletableFuture<Integer> f = new CompletableFuture<>();
1595	<	final FailingFunction r = new FailingFunction(m);
1596	<	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	<	}
1595	>	final FailingFunction[] rs = new FailingFunction[4];
1596	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1597
1598	<	checkCompletedWithWrappedCFException(g);
1598	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1599	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1600	>	assertTrue(f.complete(v1));
1601	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1602	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1603	>
1604	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1605	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1606	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1607	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1608		checkCompletedNormally(f, v1);
1609		}}
1610
#	Line 1245 \| Line 1613 \| public class CompletableFutureTest exten
1613		*/
1614		public void testThenAccept_normalCompletion() {
1615		for (ExecutionMode m : ExecutionMode.values())
1248	–	for (boolean createIncomplete : new boolean[] { true, false })
1616		for (Integer v1 : new Integer[] { 1, null })
1617		{
1618		final CompletableFuture<Integer> f = new CompletableFuture<>();
1619	<	final NoopConsumer r = new NoopConsumer(m);
1620	<	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	<	}
1619	>	final NoopConsumer[] rs = new NoopConsumer[4];
1620	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1621
1622	<	checkCompletedNormally(g, null);
1623	<	r.assertValue(v1);
1622	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1623	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1624	>	checkIncomplete(h0);
1625	>	checkIncomplete(h1);
1626	>	assertTrue(f.complete(v1));
1627	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1628	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1629	>
1630	>	checkCompletedNormally(h0, null);
1631	>	checkCompletedNormally(h1, null);
1632	>	checkCompletedNormally(h2, null);
1633	>	checkCompletedNormally(h3, null);
1634		checkCompletedNormally(f, v1);
1635	+	for (NoopConsumer r : rs) r.assertValue(v1);
1636		}}
1637
1638		/**
#	Line 1268 \| Line 1641 \| public class CompletableFutureTest exten
1641		*/
1642		public void testThenAccept_exceptionalCompletion() {
1643		for (ExecutionMode m : ExecutionMode.values())
1271	–	for (boolean createIncomplete : new boolean[] { true, false })
1644		{
1645		final CFException ex = new CFException();
1646		final CompletableFuture<Integer> f = new CompletableFuture<>();
1647	<	final NoopConsumer r = new NoopConsumer(m);
1648	<	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	<	}
1647	>	final NoopConsumer[] rs = new NoopConsumer[4];
1648	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1649
1650	<	checkCompletedWithWrappedCFException(g, ex);
1651	<	checkCompletedWithWrappedCFException(f, ex);
1652	<	r.assertNotInvoked();
1650	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1651	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1652	>	assertTrue(f.completeExceptionally(ex));
1653	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1654	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1655	>
1656	>	checkCompletedWithWrappedException(h0, ex);
1657	>	checkCompletedWithWrappedException(h1, ex);
1658	>	checkCompletedWithWrappedException(h2, ex);
1659	>	checkCompletedWithWrappedException(h3, ex);
1660	>	checkCompletedExceptionally(f, ex);
1661	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1662		}}
1663
1664		/**
#	Line 1290 \| Line 1666 \| public class CompletableFutureTest exten
1666		*/
1667		public void testThenAccept_sourceCancelled() {
1668		for (ExecutionMode m : ExecutionMode.values())
1293	–	for (boolean createIncomplete : new boolean[] { true, false })
1669		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1670		{
1671		final CompletableFuture<Integer> f = new CompletableFuture<>();
1672	<	final NoopConsumer r = new NoopConsumer(m);
1673	<	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	<	}
1672	>	final NoopConsumer[] rs = new NoopConsumer[4];
1673	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1674
1675	<	checkCompletedWithWrappedCancellationException(g);
1675	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1676	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1677	>	assertTrue(f.cancel(mayInterruptIfRunning));
1678	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1679	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1680	>
1681	>	checkCompletedWithWrappedCancellationException(h0);
1682	>	checkCompletedWithWrappedCancellationException(h1);
1683	>	checkCompletedWithWrappedCancellationException(h2);
1684	>	checkCompletedWithWrappedCancellationException(h3);
1685		checkCancelled(f);
1686	<	r.assertNotInvoked();
1686	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1687		}}
1688
1689		/**
#	Line 1312 \| Line 1691 \| public class CompletableFutureTest exten
1691		*/
1692		public void testThenAccept_actionFailed() {
1693		for (ExecutionMode m : ExecutionMode.values())
1315	–	for (boolean createIncomplete : new boolean[] { true, false })
1694		for (Integer v1 : new Integer[] { 1, null })
1695		{
1696		final CompletableFuture<Integer> f = new CompletableFuture<>();
1697	<	final FailingConsumer r = new FailingConsumer(m);
1698	<	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	<	}
1697	>	final FailingConsumer[] rs = new FailingConsumer[4];
1698	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1699
1700	<	checkCompletedWithWrappedCFException(g);
1700	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1701	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1702	>	assertTrue(f.complete(v1));
1703	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1704	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1705	>
1706	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1707	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1708	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1709	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1710		checkCompletedNormally(f, v1);
1711		}}
1712
#	Line 1334 \| Line 1716 \| public class CompletableFutureTest exten
1716		*/
1717		public void testThenCombine_normalCompletion() {
1718		for (ExecutionMode m : ExecutionMode.values())
1337	–	for (boolean createIncomplete : new boolean[] { true, false })
1719		for (boolean fFirst : new boolean[] { true, false })
1720		for (Integer v1 : new Integer[] { 1, null })
1721		for (Integer v2 : new Integer[] { 2, null })
1722		{
1723		final CompletableFuture<Integer> f = new CompletableFuture<>();
1724		final CompletableFuture<Integer> g = new CompletableFuture<>();
1725	<	final SubtractFunction r = new SubtractFunction(m);
1725	>	final SubtractFunction[] rs = new SubtractFunction[6];
1726	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1727
1728	<	if (fFirst) f.complete(v1); else g.complete(v2);
1729	<	if (!createIncomplete)
1730	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1731	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1732	<	if (createIncomplete) {
1733	<	checkIncomplete(h);
1734	<	r.assertNotInvoked();
1735	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1736	<	}
1728	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1729	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1730	>	final Integer w1 = fFirst ? v1 : v2;
1731	>	final Integer w2 = !fFirst ? v1 : v2;
1732	>
1733	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1734	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1735	>	assertTrue(fst.complete(w1));
1736	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1737	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1738	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1739	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1740	>	checkCompletedNormally(h1, subtract(w1, w1));
1741	>	checkCompletedNormally(h3, subtract(w1, w1));
1742	>	rs[1].assertValue(subtract(w1, w1));
1743	>	rs[3].assertValue(subtract(w1, w1));
1744	>	assertTrue(snd.complete(w2));
1745	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1746	>
1747	>	checkCompletedNormally(h0, subtract(v1, v2));
1748	>	checkCompletedNormally(h2, subtract(v1, v2));
1749	>	checkCompletedNormally(h4, subtract(v1, v2));
1750	>	rs[0].assertValue(subtract(v1, v2));
1751	>	rs[2].assertValue(subtract(v1, v2));
1752	>	rs[4].assertValue(subtract(v1, v2));
1753
1356	–	checkCompletedNormally(h, subtract(v1, v2));
1754		checkCompletedNormally(f, v1);
1755		checkCompletedNormally(g, v2);
1359	–	r.assertInvoked();
1756		}}
1757
1758		/**
1759		* thenCombine result completes exceptionally after exceptional
1760		* completion of either source
1761		*/
1762	<	public void testThenCombine_exceptionalCompletion() {
1762	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1763		for (ExecutionMode m : ExecutionMode.values())
1368	–	for (boolean createIncomplete : new boolean[] { true, false })
1764		for (boolean fFirst : new boolean[] { true, false })
1765	+	for (boolean failFirst : new boolean[] { true, false })
1766		for (Integer v1 : new Integer[] { 1, null })
1767		{
1768		final CompletableFuture<Integer> f = new CompletableFuture<>();
1769		final CompletableFuture<Integer> g = new CompletableFuture<>();
1770		final CFException ex = new CFException();
1771	<	final SubtractFunction r = new SubtractFunction(m);
1772	<
1773	<	(fFirst ? f : g).complete(v1);
1774	<	if (!createIncomplete)
1775	<	(!fFirst ? f : g).completeExceptionally(ex);
1776	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1777	<	if (createIncomplete) {
1778	<	checkIncomplete(h);
1779	<	(!fFirst ? f : g).completeExceptionally(ex);
1780	<	}
1781	<
1782	<	checkCompletedWithWrappedCFException(h, ex);
1783	<	r.assertNotInvoked();
1784	<	checkCompletedNormally(fFirst ? f : g, v1);
1785	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1771	>	final SubtractFunction r1 = new SubtractFunction(m);
1772	>	final SubtractFunction r2 = new SubtractFunction(m);
1773	>	final SubtractFunction r3 = new SubtractFunction(m);
1774	>
1775	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1776	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1777	>	final Callable<Boolean> complete1 = failFirst ?
1778	>	() -> fst.completeExceptionally(ex) :
1779	>	() -> fst.complete(v1);
1780	>	final Callable<Boolean> complete2 = failFirst ?
1781	>	() -> snd.complete(v1) :
1782	>	() -> snd.completeExceptionally(ex);
1783	>
1784	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1785	>	assertTrue(complete1.call());
1786	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1787	>	checkIncomplete(h1);
1788	>	checkIncomplete(h2);
1789	>	assertTrue(complete2.call());
1790	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1791	>
1792	>	checkCompletedWithWrappedException(h1, ex);
1793	>	checkCompletedWithWrappedException(h2, ex);
1794	>	checkCompletedWithWrappedException(h3, ex);
1795	>	r1.assertNotInvoked();
1796	>	r2.assertNotInvoked();
1797	>	r3.assertNotInvoked();
1798	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1799	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1800		}}
1801
1802		/**
1803		* thenCombine result completes exceptionally if either source cancelled
1804		*/
1805	<	public void testThenCombine_sourceCancelled() {
1805	>	public void testThenCombine_sourceCancelled() throws Throwable {
1806		for (ExecutionMode m : ExecutionMode.values())
1807		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1398	–	for (boolean createIncomplete : new boolean[] { true, false })
1808		for (boolean fFirst : new boolean[] { true, false })
1809	+	for (boolean failFirst : new boolean[] { true, false })
1810		for (Integer v1 : new Integer[] { 1, null })
1811		{
1812		final CompletableFuture<Integer> f = new CompletableFuture<>();
1813		final CompletableFuture<Integer> g = new CompletableFuture<>();
1814	<	final SubtractFunction r = new SubtractFunction(m);
1815	<
1816	<	(fFirst ? f : g).complete(v1);
1817	<	if (!createIncomplete)
1818	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1819	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1820	<	if (createIncomplete) {
1821	<	checkIncomplete(h);
1822	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1823	<	}
1814	>	final SubtractFunction r1 = new SubtractFunction(m);
1815	>	final SubtractFunction r2 = new SubtractFunction(m);
1816	>	final SubtractFunction r3 = new SubtractFunction(m);
1817	>
1818	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1819	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1820	>	final Callable<Boolean> complete1 = failFirst ?
1821	>	() -> fst.cancel(mayInterruptIfRunning) :
1822	>	() -> fst.complete(v1);
1823	>	final Callable<Boolean> complete2 = failFirst ?
1824	>	() -> snd.complete(v1) :
1825	>	() -> snd.cancel(mayInterruptIfRunning);
1826	>
1827	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1828	>	assertTrue(complete1.call());
1829	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1830	>	checkIncomplete(h1);
1831	>	checkIncomplete(h2);
1832	>	assertTrue(complete2.call());
1833	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1834
1835	<	checkCompletedWithWrappedCancellationException(h);
1836	<	checkCancelled(!fFirst ? f : g);
1837	<	r.assertNotInvoked();
1838	<	checkCompletedNormally(fFirst ? f : g, v1);
1835	>	checkCompletedWithWrappedCancellationException(h1);
1836	>	checkCompletedWithWrappedCancellationException(h2);
1837	>	checkCompletedWithWrappedCancellationException(h3);
1838	>	r1.assertNotInvoked();
1839	>	r2.assertNotInvoked();
1840	>	r3.assertNotInvoked();
1841	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1842	>	checkCancelled(failFirst ? fst : snd);
1843		}}
1844
1845		/**
#	Line 1429 \| Line 1853 \| public class CompletableFutureTest exten
1853		{
1854		final CompletableFuture<Integer> f = new CompletableFuture<>();
1855		final CompletableFuture<Integer> g = new CompletableFuture<>();
1856	<	final FailingBiFunction r = new FailingBiFunction(m);
1857	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1858	<
1859	<	if (fFirst) {
1860	<	f.complete(v1);
1861	<	g.complete(v2);
1862	<	} else {
1863	<	g.complete(v2);
1864	<	f.complete(v1);
1865	<	}
1866	<
1867	<	checkCompletedWithWrappedCFException(h);
1856	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1857	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1858	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1859	>
1860	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1861	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1862	>	final Integer w1 = fFirst ? v1 : v2;
1863	>	final Integer w2 = !fFirst ? v1 : v2;
1864	>
1865	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1866	>	assertTrue(fst.complete(w1));
1867	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1868	>	assertTrue(snd.complete(w2));
1869	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1870	>
1871	>	checkCompletedWithWrappedException(h1, r1.ex);
1872	>	checkCompletedWithWrappedException(h2, r2.ex);
1873	>	checkCompletedWithWrappedException(h3, r3.ex);
1874	>	r1.assertInvoked();
1875	>	r2.assertInvoked();
1876	>	r3.assertInvoked();
1877		checkCompletedNormally(f, v1);
1878		checkCompletedNormally(g, v2);
1879		}}
#	Line 1451 \| Line 1884 \| public class CompletableFutureTest exten
1884		*/
1885		public void testThenAcceptBoth_normalCompletion() {
1886		for (ExecutionMode m : ExecutionMode.values())
1454	–	for (boolean createIncomplete : new boolean[] { true, false })
1887		for (boolean fFirst : new boolean[] { true, false })
1888		for (Integer v1 : new Integer[] { 1, null })
1889		for (Integer v2 : new Integer[] { 2, null })
1890		{
1891		final CompletableFuture<Integer> f = new CompletableFuture<>();
1892		final CompletableFuture<Integer> g = new CompletableFuture<>();
1893	<	final SubtractAction r = new SubtractAction(m);
1894	<
1895	<	if (fFirst) f.complete(v1); else g.complete(v2);
1896	<	if (!createIncomplete)
1897	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1898	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1899	<	if (createIncomplete) {
1900	<	checkIncomplete(h);
1901	<	r.assertNotInvoked();
1902	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1903	<	}
1893	>	final SubtractAction r1 = new SubtractAction(m);
1894	>	final SubtractAction r2 = new SubtractAction(m);
1895	>	final SubtractAction r3 = new SubtractAction(m);
1896	>
1897	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1898	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1899	>	final Integer w1 = fFirst ? v1 : v2;
1900	>	final Integer w2 = !fFirst ? v1 : v2;
1901	>
1902	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1903	>	assertTrue(fst.complete(w1));
1904	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1905	>	checkIncomplete(h1);
1906	>	checkIncomplete(h2);
1907	>	r1.assertNotInvoked();
1908	>	r2.assertNotInvoked();
1909	>	assertTrue(snd.complete(w2));
1910	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1911
1912	<	checkCompletedNormally(h, null);
1913	<	r.assertValue(subtract(v1, v2));
1912	>	checkCompletedNormally(h1, null);
1913	>	checkCompletedNormally(h2, null);
1914	>	checkCompletedNormally(h3, null);
1915	>	r1.assertValue(subtract(v1, v2));
1916	>	r2.assertValue(subtract(v1, v2));
1917	>	r3.assertValue(subtract(v1, v2));
1918		checkCompletedNormally(f, v1);
1919		checkCompletedNormally(g, v2);
1920		}}
#	Line 1480 \| Line 1923 \| public class CompletableFutureTest exten
1923		* thenAcceptBoth result completes exceptionally after exceptional
1924		* completion of either source
1925		*/
1926	<	public void testThenAcceptBoth_exceptionalCompletion() {
1926	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1927		for (ExecutionMode m : ExecutionMode.values())
1485	–	for (boolean createIncomplete : new boolean[] { true, false })
1928		for (boolean fFirst : new boolean[] { true, false })
1929	+	for (boolean failFirst : new boolean[] { true, false })
1930		for (Integer v1 : new Integer[] { 1, null })
1931		{
1932		final CompletableFuture<Integer> f = new CompletableFuture<>();
1933		final CompletableFuture<Integer> g = new CompletableFuture<>();
1934		final CFException ex = new CFException();
1935	<	final SubtractAction r = new SubtractAction(m);
1936	<
1937	<	(fFirst ? f : g).complete(v1);
1938	<	if (!createIncomplete)
1939	<	(!fFirst ? f : g).completeExceptionally(ex);
1940	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1941	<	if (createIncomplete) {
1942	<	checkIncomplete(h);
1943	<	(!fFirst ? f : g).completeExceptionally(ex);
1944	<	}
1945	<
1946	<	checkCompletedWithWrappedCFException(h, ex);
1947	<	r.assertNotInvoked();
1948	<	checkCompletedNormally(fFirst ? f : g, v1);
1949	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1935	>	final SubtractAction r1 = new SubtractAction(m);
1936	>	final SubtractAction r2 = new SubtractAction(m);
1937	>	final SubtractAction r3 = new SubtractAction(m);
1938	>
1939	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1940	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1941	>	final Callable<Boolean> complete1 = failFirst ?
1942	>	() -> fst.completeExceptionally(ex) :
1943	>	() -> fst.complete(v1);
1944	>	final Callable<Boolean> complete2 = failFirst ?
1945	>	() -> snd.complete(v1) :
1946	>	() -> snd.completeExceptionally(ex);
1947	>
1948	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1949	>	assertTrue(complete1.call());
1950	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1951	>	checkIncomplete(h1);
1952	>	checkIncomplete(h2);
1953	>	assertTrue(complete2.call());
1954	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1955	>
1956	>	checkCompletedWithWrappedException(h1, ex);
1957	>	checkCompletedWithWrappedException(h2, ex);
1958	>	checkCompletedWithWrappedException(h3, ex);
1959	>	r1.assertNotInvoked();
1960	>	r2.assertNotInvoked();
1961	>	r3.assertNotInvoked();
1962	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1963	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1964		}}
1965
1966		/**
1967		* thenAcceptBoth result completes exceptionally if either source cancelled
1968		*/
1969	<	public void testThenAcceptBoth_sourceCancelled() {
1969	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1970		for (ExecutionMode m : ExecutionMode.values())
1971		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1515	–	for (boolean createIncomplete : new boolean[] { true, false })
1972		for (boolean fFirst : new boolean[] { true, false })
1973	+	for (boolean failFirst : new boolean[] { true, false })
1974		for (Integer v1 : new Integer[] { 1, null })
1975		{
1976		final CompletableFuture<Integer> f = new CompletableFuture<>();
1977		final CompletableFuture<Integer> g = new CompletableFuture<>();
1978	<	final SubtractAction r = new SubtractAction(m);
1979	<
1980	<	(fFirst ? f : g).complete(v1);
1981	<	if (!createIncomplete)
1982	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1983	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1984	<	if (createIncomplete) {
1985	<	checkIncomplete(h);
1986	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1987	<	}
1978	>	final SubtractAction r1 = new SubtractAction(m);
1979	>	final SubtractAction r2 = new SubtractAction(m);
1980	>	final SubtractAction r3 = new SubtractAction(m);
1981	>
1982	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1983	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1984	>	final Callable<Boolean> complete1 = failFirst ?
1985	>	() -> fst.cancel(mayInterruptIfRunning) :
1986	>	() -> fst.complete(v1);
1987	>	final Callable<Boolean> complete2 = failFirst ?
1988	>	() -> snd.complete(v1) :
1989	>	() -> snd.cancel(mayInterruptIfRunning);
1990	>
1991	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1992	>	assertTrue(complete1.call());
1993	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1994	>	checkIncomplete(h1);
1995	>	checkIncomplete(h2);
1996	>	assertTrue(complete2.call());
1997	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1998
1999	<	checkCompletedWithWrappedCancellationException(h);
2000	<	checkCancelled(!fFirst ? f : g);
2001	<	r.assertNotInvoked();
2002	<	checkCompletedNormally(fFirst ? f : g, v1);
1999	>	checkCompletedWithWrappedCancellationException(h1);
2000	>	checkCompletedWithWrappedCancellationException(h2);
2001	>	checkCompletedWithWrappedCancellationException(h3);
2002	>	r1.assertNotInvoked();
2003	>	r2.assertNotInvoked();
2004	>	r3.assertNotInvoked();
2005	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2006	>	checkCancelled(failFirst ? fst : snd);
2007		}}
2008
2009		/**
#	Line 1546 \| Line 2017 \| public class CompletableFutureTest exten
2017		{
2018		final CompletableFuture<Integer> f = new CompletableFuture<>();
2019		final CompletableFuture<Integer> g = new CompletableFuture<>();
2020	<	final FailingBiConsumer r = new FailingBiConsumer(m);
2021	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2022	<
2023	<	if (fFirst) {
2024	<	f.complete(v1);
2025	<	g.complete(v2);
2026	<	} else {
2027	<	g.complete(v2);
2028	<	f.complete(v1);
2029	<	}
2030	<
2031	<	checkCompletedWithWrappedCFException(h);
2020	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2021	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2022	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2023	>
2024	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2025	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2026	>	final Integer w1 = fFirst ? v1 : v2;
2027	>	final Integer w2 = !fFirst ? v1 : v2;
2028	>
2029	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2030	>	assertTrue(fst.complete(w1));
2031	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2032	>	assertTrue(snd.complete(w2));
2033	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2034	>
2035	>	checkCompletedWithWrappedException(h1, r1.ex);
2036	>	checkCompletedWithWrappedException(h2, r2.ex);
2037	>	checkCompletedWithWrappedException(h3, r3.ex);
2038	>	r1.assertInvoked();
2039	>	r2.assertInvoked();
2040	>	r3.assertInvoked();
2041		checkCompletedNormally(f, v1);
2042		checkCompletedNormally(g, v2);
2043		}}
#	Line 1568 \| Line 2048 \| public class CompletableFutureTest exten
2048		*/
2049		public void testRunAfterBoth_normalCompletion() {
2050		for (ExecutionMode m : ExecutionMode.values())
1571	–	for (boolean createIncomplete : new boolean[] { true, false })
2051		for (boolean fFirst : new boolean[] { true, false })
2052		for (Integer v1 : new Integer[] { 1, null })
2053		for (Integer v2 : new Integer[] { 2, null })
2054		{
2055		final CompletableFuture<Integer> f = new CompletableFuture<>();
2056		final CompletableFuture<Integer> g = new CompletableFuture<>();
2057	<	final Noop r = new Noop(m);
2058	<
2059	<	if (fFirst) f.complete(v1); else g.complete(v2);
2060	<	if (!createIncomplete)
2061	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2062	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2063	<	if (createIncomplete) {
2064	<	checkIncomplete(h);
2065	<	r.assertNotInvoked();
2066	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2067	<	}
2057	>	final Noop r1 = new Noop(m);
2058	>	final Noop r2 = new Noop(m);
2059	>	final Noop r3 = new Noop(m);
2060	>
2061	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2062	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2063	>	final Integer w1 = fFirst ? v1 : v2;
2064	>	final Integer w2 = !fFirst ? v1 : v2;
2065	>
2066	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2067	>	assertTrue(fst.complete(w1));
2068	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2069	>	checkIncomplete(h1);
2070	>	checkIncomplete(h2);
2071	>	r1.assertNotInvoked();
2072	>	r2.assertNotInvoked();
2073	>	assertTrue(snd.complete(w2));
2074	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2075
2076	<	checkCompletedNormally(h, null);
2077	<	r.assertInvoked();
2076	>	checkCompletedNormally(h1, null);
2077	>	checkCompletedNormally(h2, null);
2078	>	checkCompletedNormally(h3, null);
2079	>	r1.assertInvoked();
2080	>	r2.assertInvoked();
2081	>	r3.assertInvoked();
2082		checkCompletedNormally(f, v1);
2083		checkCompletedNormally(g, v2);
2084		}}
#	Line 1597 \| Line 2087 \| public class CompletableFutureTest exten
2087		* runAfterBoth result completes exceptionally after exceptional
2088		* completion of either source
2089		*/
2090	<	public void testRunAfterBoth_exceptionalCompletion() {
2090	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2091		for (ExecutionMode m : ExecutionMode.values())
1602	–	for (boolean createIncomplete : new boolean[] { true, false })
2092		for (boolean fFirst : new boolean[] { true, false })
2093	+	for (boolean failFirst : new boolean[] { true, false })
2094		for (Integer v1 : new Integer[] { 1, null })
2095		{
2096		final CompletableFuture<Integer> f = new CompletableFuture<>();
2097		final CompletableFuture<Integer> g = new CompletableFuture<>();
2098		final CFException ex = new CFException();
2099	<	final Noop r = new Noop(m);
2100	<
2101	<	(fFirst ? f : g).complete(v1);
2102	<	if (!createIncomplete)
2103	<	(!fFirst ? f : g).completeExceptionally(ex);
2104	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2105	<	if (createIncomplete) {
2106	<	checkIncomplete(h);
2107	<	(!fFirst ? f : g).completeExceptionally(ex);
2108	<	}
2109	<
2110	<	checkCompletedWithWrappedCFException(h, ex);
2111	<	r.assertNotInvoked();
2112	<	checkCompletedNormally(fFirst ? f : g, v1);
2113	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2099	>	final Noop r1 = new Noop(m);
2100	>	final Noop r2 = new Noop(m);
2101	>	final Noop r3 = new Noop(m);
2102	>
2103	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2104	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2105	>	final Callable<Boolean> complete1 = failFirst ?
2106	>	() -> fst.completeExceptionally(ex) :
2107	>	() -> fst.complete(v1);
2108	>	final Callable<Boolean> complete2 = failFirst ?
2109	>	() -> snd.complete(v1) :
2110	>	() -> snd.completeExceptionally(ex);
2111	>
2112	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2113	>	assertTrue(complete1.call());
2114	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2115	>	checkIncomplete(h1);
2116	>	checkIncomplete(h2);
2117	>	assertTrue(complete2.call());
2118	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2119	>
2120	>	checkCompletedWithWrappedException(h1, ex);
2121	>	checkCompletedWithWrappedException(h2, ex);
2122	>	checkCompletedWithWrappedException(h3, ex);
2123	>	r1.assertNotInvoked();
2124	>	r2.assertNotInvoked();
2125	>	r3.assertNotInvoked();
2126	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2127	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2128		}}
2129
2130		/**
2131		* runAfterBoth result completes exceptionally if either source cancelled
2132		*/
2133	<	public void testRunAfterBoth_sourceCancelled() {
2133	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2134		for (ExecutionMode m : ExecutionMode.values())
2135		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1632	–	for (boolean createIncomplete : new boolean[] { true, false })
2136		for (boolean fFirst : new boolean[] { true, false })
2137	+	for (boolean failFirst : new boolean[] { true, false })
2138		for (Integer v1 : new Integer[] { 1, null })
2139		{
2140		final CompletableFuture<Integer> f = new CompletableFuture<>();
2141		final CompletableFuture<Integer> g = new CompletableFuture<>();
2142	<	final Noop r = new Noop(m);
2143	<
2144	<
2145	<	(fFirst ? f : g).complete(v1);
2146	<	if (!createIncomplete)
2147	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2148	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2149	<	if (createIncomplete) {
2150	<	checkIncomplete(h);
2151	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2152	<	}
2142	>	final Noop r1 = new Noop(m);
2143	>	final Noop r2 = new Noop(m);
2144	>	final Noop r3 = new Noop(m);
2145	>
2146	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2147	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2148	>	final Callable<Boolean> complete1 = failFirst ?
2149	>	() -> fst.cancel(mayInterruptIfRunning) :
2150	>	() -> fst.complete(v1);
2151	>	final Callable<Boolean> complete2 = failFirst ?
2152	>	() -> snd.complete(v1) :
2153	>	() -> snd.cancel(mayInterruptIfRunning);
2154	>
2155	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2156	>	assertTrue(complete1.call());
2157	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2158	>	checkIncomplete(h1);
2159	>	checkIncomplete(h2);
2160	>	assertTrue(complete2.call());
2161	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2162
2163	<	checkCompletedWithWrappedCancellationException(h);
2164	<	checkCancelled(!fFirst ? f : g);
2165	<	r.assertNotInvoked();
2166	<	checkCompletedNormally(fFirst ? f : g, v1);
2163	>	checkCompletedWithWrappedCancellationException(h1);
2164	>	checkCompletedWithWrappedCancellationException(h2);
2165	>	checkCompletedWithWrappedCancellationException(h3);
2166	>	r1.assertNotInvoked();
2167	>	r2.assertNotInvoked();
2168	>	r3.assertNotInvoked();
2169	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2170	>	checkCancelled(failFirst ? fst : snd);
2171		}}
2172
2173		/**
#	Line 1666 \| Line 2183 \| public class CompletableFutureTest exten
2183		final CompletableFuture<Integer> g = new CompletableFuture<>();
2184		final FailingRunnable r1 = new FailingRunnable(m);
2185		final FailingRunnable r2 = new FailingRunnable(m);
2186	+	final FailingRunnable r3 = new FailingRunnable(m);
2187
2188	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2189	<	if (fFirst) {
2190	<	f.complete(v1);
2191	<	g.complete(v2);
2192	<	} else {
2193	<	g.complete(v2);
2194	<	f.complete(v1);
2195	<	}
2196	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2197	<
2198	<	checkCompletedWithWrappedCFException(h1);
2199	<	checkCompletedWithWrappedCFException(h2);
2188	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2189	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2190	>	final Integer w1 = fFirst ? v1 : v2;
2191	>	final Integer w2 = !fFirst ? v1 : v2;
2192	>
2193	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2194	>	assertTrue(fst.complete(w1));
2195	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2196	>	assertTrue(snd.complete(w2));
2197	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2198	>
2199	>	checkCompletedWithWrappedException(h1, r1.ex);
2200	>	checkCompletedWithWrappedException(h2, r2.ex);
2201	>	checkCompletedWithWrappedException(h3, r3.ex);
2202	>	r1.assertInvoked();
2203	>	r2.assertInvoked();
2204	>	r3.assertInvoked();
2205		checkCompletedNormally(f, v1);
2206		checkCompletedNormally(g, v2);
2207		}}
#	Line 1752 \| Line 2275 \| public class CompletableFutureTest exten
2275		rs[0].assertNotInvoked();
2276		rs[1].assertNotInvoked();
2277		f.completeExceptionally(ex);
2278	<	checkCompletedWithWrappedCFException(h0, ex);
2279	<	checkCompletedWithWrappedCFException(h1, ex);
2278	>	checkCompletedWithWrappedException(h0, ex);
2279	>	checkCompletedWithWrappedException(h1, ex);
2280		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2281		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2282	<	checkCompletedWithWrappedCFException(h2, ex);
2283	<	checkCompletedWithWrappedCFException(h3, ex);
2282	>	checkCompletedWithWrappedException(h2, ex);
2283	>	checkCompletedWithWrappedException(h3, ex);
2284		g.complete(v1);
2285
2286		// unspecified behavior - both source completions available
#	Line 1767 \| Line 2290 \| public class CompletableFutureTest exten
2290		assertEquals(inc(v1), h4.join());
2291		rs[4].assertValue(inc(v1));
2292		} catch (CompletionException ok) {
2293	<	checkCompletedWithWrappedCFException(h4, ex);
2293	>	checkCompletedWithWrappedException(h4, ex);
2294		rs[4].assertNotInvoked();
2295		}
2296		try {
2297		assertEquals(inc(v1), h5.join());
2298		rs[5].assertValue(inc(v1));
2299		} catch (CompletionException ok) {
2300	<	checkCompletedWithWrappedCFException(h5, ex);
2300	>	checkCompletedWithWrappedException(h5, ex);
2301		rs[5].assertNotInvoked();
2302		}
2303
2304	<	checkCompletedWithWrappedCFException(f, ex);
2304	>	checkCompletedExceptionally(f, ex);
2305		checkCompletedNormally(g, v1);
2306	<	checkCompletedWithWrappedCFException(h0, ex);
2307	<	checkCompletedWithWrappedCFException(h1, ex);
2308	<	checkCompletedWithWrappedCFException(h2, ex);
2309	<	checkCompletedWithWrappedCFException(h3, ex);
2310	<	checkCompletedWithWrappedCFException(h4, ex);
2306	>	checkCompletedWithWrappedException(h0, ex);
2307	>	checkCompletedWithWrappedException(h1, ex);
2308	>	checkCompletedWithWrappedException(h2, ex);
2309	>	checkCompletedWithWrappedException(h3, ex);
2310	>	checkCompletedWithWrappedException(h4, ex);
2311		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2312		}}
2313
#	Line 1801 \| Line 2324 \| public class CompletableFutureTest exten
2324
2325		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2326		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2327	<	if (fFirst) {
2328	<	f.complete(v1);
1806	<	g.completeExceptionally(ex);
1807	<	} else {
1808	<	g.completeExceptionally(ex);
1809	<	f.complete(v1);
1810	<	}
2327	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2328	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2329		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2330		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2331
#	Line 1816 \| Line 2334 \| public class CompletableFutureTest exten
2334		assertEquals(inc(v1), h0.join());
2335		rs[0].assertValue(inc(v1));
2336		} catch (CompletionException ok) {
2337	<	checkCompletedWithWrappedCFException(h0, ex);
2337	>	checkCompletedWithWrappedException(h0, ex);
2338		rs[0].assertNotInvoked();
2339		}
2340		try {
2341		assertEquals(inc(v1), h1.join());
2342		rs[1].assertValue(inc(v1));
2343		} catch (CompletionException ok) {
2344	<	checkCompletedWithWrappedCFException(h1, ex);
2344	>	checkCompletedWithWrappedException(h1, ex);
2345		rs[1].assertNotInvoked();
2346		}
2347		try {
2348		assertEquals(inc(v1), h2.join());
2349		rs[2].assertValue(inc(v1));
2350		} catch (CompletionException ok) {
2351	<	checkCompletedWithWrappedCFException(h2, ex);
2351	>	checkCompletedWithWrappedException(h2, ex);
2352		rs[2].assertNotInvoked();
2353		}
2354		try {
2355		assertEquals(inc(v1), h3.join());
2356		rs[3].assertValue(inc(v1));
2357		} catch (CompletionException ok) {
2358	<	checkCompletedWithWrappedCFException(h3, ex);
2358	>	checkCompletedWithWrappedException(h3, ex);
2359		rs[3].assertNotInvoked();
2360		}
2361
2362		checkCompletedNormally(f, v1);
2363	<	checkCompletedWithWrappedCFException(g, ex);
2363	>	checkCompletedExceptionally(g, ex);
2364		}}
2365
2366		/**
#	Line 1913 \| Line 2431 \| public class CompletableFutureTest exten
2431
2432		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2433		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2434	<	if (fFirst) {
2435	<	f.complete(v1);
1918	<	g.cancel(mayInterruptIfRunning);
1919	<	} else {
1920	<	g.cancel(mayInterruptIfRunning);
1921	<	f.complete(v1);
1922	<	}
2434	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2435	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2436		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2437		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2438
#	Line 1975 \| Line 2488 \| public class CompletableFutureTest exten
2488		f.complete(v1);
2489		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2490		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2491	<	checkCompletedWithWrappedCFException(h0);
2492	<	checkCompletedWithWrappedCFException(h1);
2493	<	checkCompletedWithWrappedCFException(h2);
2494	<	checkCompletedWithWrappedCFException(h3);
2491	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2492	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2493	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2494	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2495		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2496
2497		g.complete(v2);
#	Line 1987 \| Line 2500 \| public class CompletableFutureTest exten
2500		final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2501		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2502
2503	<	checkCompletedWithWrappedCFException(h4);
2503	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2504		assertTrue(Objects.equals(v1, rs[4].value) \|\|
2505		Objects.equals(v2, rs[4].value));
2506	<	checkCompletedWithWrappedCFException(h5);
2506	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2507		assertTrue(Objects.equals(v1, rs[5].value) \|\|
2508		Objects.equals(v2, rs[5].value));
2509
#	Line 2071 \| Line 2584 \| public class CompletableFutureTest exten
2584		rs[0].assertNotInvoked();
2585		rs[1].assertNotInvoked();
2586		f.completeExceptionally(ex);
2587	<	checkCompletedWithWrappedCFException(h0, ex);
2588	<	checkCompletedWithWrappedCFException(h1, ex);
2587	>	checkCompletedWithWrappedException(h0, ex);
2588	>	checkCompletedWithWrappedException(h1, ex);
2589		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2590		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2591	<	checkCompletedWithWrappedCFException(h2, ex);
2592	<	checkCompletedWithWrappedCFException(h3, ex);
2591	>	checkCompletedWithWrappedException(h2, ex);
2592	>	checkCompletedWithWrappedException(h3, ex);
2593
2594		g.complete(v1);
2595
#	Line 2087 \| Line 2600 \| public class CompletableFutureTest exten
2600		assertNull(h4.join());
2601		rs[4].assertValue(v1);
2602		} catch (CompletionException ok) {
2603	<	checkCompletedWithWrappedCFException(h4, ex);
2603	>	checkCompletedWithWrappedException(h4, ex);
2604		rs[4].assertNotInvoked();
2605		}
2606		try {
2607		assertNull(h5.join());
2608		rs[5].assertValue(v1);
2609		} catch (CompletionException ok) {
2610	<	checkCompletedWithWrappedCFException(h5, ex);
2610	>	checkCompletedWithWrappedException(h5, ex);
2611		rs[5].assertNotInvoked();
2612		}
2613
2614	<	checkCompletedWithWrappedCFException(f, ex);
2614	>	checkCompletedExceptionally(f, ex);
2615		checkCompletedNormally(g, v1);
2616	<	checkCompletedWithWrappedCFException(h0, ex);
2617	<	checkCompletedWithWrappedCFException(h1, ex);
2618	<	checkCompletedWithWrappedCFException(h2, ex);
2619	<	checkCompletedWithWrappedCFException(h3, ex);
2620	<	checkCompletedWithWrappedCFException(h4, ex);
2616	>	checkCompletedWithWrappedException(h0, ex);
2617	>	checkCompletedWithWrappedException(h1, ex);
2618	>	checkCompletedWithWrappedException(h2, ex);
2619	>	checkCompletedWithWrappedException(h3, ex);
2620	>	checkCompletedWithWrappedException(h4, ex);
2621		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2622		}}
2623
#	Line 2121 \| Line 2634 \| public class CompletableFutureTest exten
2634
2635		final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2636		final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2637	<	if (fFirst) {
2638	<	f.complete(v1);
2126	<	g.completeExceptionally(ex);
2127	<	} else {
2128	<	g.completeExceptionally(ex);
2129	<	f.complete(v1);
2130	<	}
2637	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2638	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2639		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2640		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2641
2642		// unspecified behavior - both source completions available
2643		try {
2644	<	assertEquals(null, h0.join());
2644	>	assertNull(h0.join());
2645		rs[0].assertValue(v1);
2646		} catch (CompletionException ok) {
2647	<	checkCompletedWithWrappedCFException(h0, ex);
2647	>	checkCompletedWithWrappedException(h0, ex);
2648		rs[0].assertNotInvoked();
2649		}
2650		try {
2651	<	assertEquals(null, h1.join());
2651	>	assertNull(h1.join());
2652		rs[1].assertValue(v1);
2653		} catch (CompletionException ok) {
2654	<	checkCompletedWithWrappedCFException(h1, ex);
2654	>	checkCompletedWithWrappedException(h1, ex);
2655		rs[1].assertNotInvoked();
2656		}
2657		try {
2658	<	assertEquals(null, h2.join());
2658	>	assertNull(h2.join());
2659		rs[2].assertValue(v1);
2660		} catch (CompletionException ok) {
2661	<	checkCompletedWithWrappedCFException(h2, ex);
2661	>	checkCompletedWithWrappedException(h2, ex);
2662		rs[2].assertNotInvoked();
2663		}
2664		try {
2665	<	assertEquals(null, h3.join());
2665	>	assertNull(h3.join());
2666		rs[3].assertValue(v1);
2667		} catch (CompletionException ok) {
2668	<	checkCompletedWithWrappedCFException(h3, ex);
2668	>	checkCompletedWithWrappedException(h3, ex);
2669		rs[3].assertNotInvoked();
2670		}
2671
2672		checkCompletedNormally(f, v1);
2673	<	checkCompletedWithWrappedCFException(g, ex);
2673	>	checkCompletedExceptionally(g, ex);
2674		}}
2675
2676		/**
#	Line 2239 \| Line 2747 \| public class CompletableFutureTest exten
2747		f.complete(v1);
2748		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2749		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2750	<	checkCompletedWithWrappedCFException(h0);
2751	<	checkCompletedWithWrappedCFException(h1);
2752	<	checkCompletedWithWrappedCFException(h2);
2753	<	checkCompletedWithWrappedCFException(h3);
2750	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2751	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2752	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2753	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2754		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2755
2756		g.complete(v2);
#	Line 2251 \| Line 2759 \| public class CompletableFutureTest exten
2759		final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2760		final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2761
2762	<	checkCompletedWithWrappedCFException(h4);
2762	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2763		assertTrue(Objects.equals(v1, rs[4].value) \|\|
2764		Objects.equals(v2, rs[4].value));
2765	<	checkCompletedWithWrappedCFException(h5);
2765	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2766		assertTrue(Objects.equals(v1, rs[5].value) \|\|
2767		Objects.equals(v2, rs[5].value));
2768
#	Line 2270 \| Line 2778 \| public class CompletableFutureTest exten
2778		for (ExecutionMode m : ExecutionMode.values())
2779		for (Integer v1 : new Integer[] { 1, null })
2780		for (Integer v2 : new Integer[] { 2, null })
2781	+	for (boolean pushNop : new boolean[] { true, false })
2782		{
2783		final CompletableFuture<Integer> f = new CompletableFuture<>();
2784		final CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 2282 \| Line 2791 \| public class CompletableFutureTest exten
2791		checkIncomplete(h1);
2792		rs[0].assertNotInvoked();
2793		rs[1].assertNotInvoked();
2794	+	if (pushNop) { // ad hoc test of intra-completion interference
2795	+	m.thenRun(f, () -> {});
2796	+	m.thenRun(g, () -> {});
2797	+	}
2798		f.complete(v1);
2799		checkCompletedNormally(h0, null);
2800		checkCompletedNormally(h1, null);
#	Line 2330 \| Line 2843 \| public class CompletableFutureTest exten
2843		checkIncomplete(h1);
2844		rs[0].assertNotInvoked();
2845		rs[1].assertNotInvoked();
2846	<	f.completeExceptionally(ex);
2847	<	checkCompletedWithWrappedCFException(h0, ex);
2848	<	checkCompletedWithWrappedCFException(h1, ex);
2846	>	assertTrue(f.completeExceptionally(ex));
2847	>	checkCompletedWithWrappedException(h0, ex);
2848	>	checkCompletedWithWrappedException(h1, ex);
2849		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2850		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2851	<	checkCompletedWithWrappedCFException(h2, ex);
2852	<	checkCompletedWithWrappedCFException(h3, ex);
2851	>	checkCompletedWithWrappedException(h2, ex);
2852	>	checkCompletedWithWrappedException(h3, ex);
2853
2854	<	g.complete(v1);
2854	>	assertTrue(g.complete(v1));
2855
2856		// unspecified behavior - both source completions available
2857		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2347 \| Line 2860 \| public class CompletableFutureTest exten
2860		assertNull(h4.join());
2861		rs[4].assertInvoked();
2862		} catch (CompletionException ok) {
2863	<	checkCompletedWithWrappedCFException(h4, ex);
2863	>	checkCompletedWithWrappedException(h4, ex);
2864		rs[4].assertNotInvoked();
2865		}
2866		try {
2867		assertNull(h5.join());
2868		rs[5].assertInvoked();
2869		} catch (CompletionException ok) {
2870	<	checkCompletedWithWrappedCFException(h5, ex);
2870	>	checkCompletedWithWrappedException(h5, ex);
2871		rs[5].assertNotInvoked();
2872		}
2873
2874	<	checkCompletedWithWrappedCFException(f, ex);
2874	>	checkCompletedExceptionally(f, ex);
2875		checkCompletedNormally(g, v1);
2876	<	checkCompletedWithWrappedCFException(h0, ex);
2877	<	checkCompletedWithWrappedCFException(h1, ex);
2878	<	checkCompletedWithWrappedCFException(h2, ex);
2879	<	checkCompletedWithWrappedCFException(h3, ex);
2880	<	checkCompletedWithWrappedCFException(h4, ex);
2876	>	checkCompletedWithWrappedException(h0, ex);
2877	>	checkCompletedWithWrappedException(h1, ex);
2878	>	checkCompletedWithWrappedException(h2, ex);
2879	>	checkCompletedWithWrappedException(h3, ex);
2880	>	checkCompletedWithWrappedException(h4, ex);
2881		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2882		}}
2883
2884	+	public void testRunAfterEither_exceptionalCompletion2() {
2885	+	for (ExecutionMode m : ExecutionMode.values())
2886	+	for (boolean fFirst : new boolean[] { true, false })
2887	+	for (Integer v1 : new Integer[] { 1, null })
2888	+	{
2889	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2890	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2891	+	final CFException ex = new CFException();
2892	+	final Noop[] rs = new Noop[6];
2893	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2894	+
2895	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2896	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2897	+	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2898	+	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2899	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2900	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2901	+
2902	+	// unspecified behavior - both source completions available
2903	+	try {
2904	+	assertNull(h0.join());
2905	+	rs[0].assertInvoked();
2906	+	} catch (CompletionException ok) {
2907	+	checkCompletedWithWrappedException(h0, ex);
2908	+	rs[0].assertNotInvoked();
2909	+	}
2910	+	try {
2911	+	assertNull(h1.join());
2912	+	rs[1].assertInvoked();
2913	+	} catch (CompletionException ok) {
2914	+	checkCompletedWithWrappedException(h1, ex);
2915	+	rs[1].assertNotInvoked();
2916	+	}
2917	+	try {
2918	+	assertNull(h2.join());
2919	+	rs[2].assertInvoked();
2920	+	} catch (CompletionException ok) {
2921	+	checkCompletedWithWrappedException(h2, ex);
2922	+	rs[2].assertNotInvoked();
2923	+	}
2924	+	try {
2925	+	assertNull(h3.join());
2926	+	rs[3].assertInvoked();
2927	+	} catch (CompletionException ok) {
2928	+	checkCompletedWithWrappedException(h3, ex);
2929	+	rs[3].assertNotInvoked();
2930	+	}
2931	+
2932	+	checkCompletedNormally(f, v1);
2933	+	checkCompletedExceptionally(g, ex);
2934	+	}}
2935	+
2936		/**
2937		* runAfterEither result completes exceptionally if either source cancelled
2938		*/
#	Line 2395 \| Line 2960 \| public class CompletableFutureTest exten
2960		checkCompletedWithWrappedCancellationException(h2);
2961		checkCompletedWithWrappedCancellationException(h3);
2962
2963	<	g.complete(v1);
2963	>	assertTrue(g.complete(v1));
2964
2965		// unspecified behavior - both source completions available
2966		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2439 \| Line 3004 \| public class CompletableFutureTest exten
3004
3005		final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3006		final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3007	<	f.complete(v1);
3007	>	assertTrue(f.complete(v1));
3008		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3009		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3010	<	checkCompletedWithWrappedCFException(h0);
3011	<	checkCompletedWithWrappedCFException(h1);
3012	<	checkCompletedWithWrappedCFException(h2);
3013	<	checkCompletedWithWrappedCFException(h3);
3010	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3011	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3012	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3013	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3014		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3015	<	g.complete(v2);
3015	>	assertTrue(g.complete(v2));
3016		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3017		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3018	<	checkCompletedWithWrappedCFException(h4);
3019	<	checkCompletedWithWrappedCFException(h5);
3018	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3019	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3020
3021		checkCompletedNormally(f, v1);
3022		checkCompletedNormally(g, v2);
#	Line 2468 \| Line 3033 \| public class CompletableFutureTest exten
3033		{
3034		final CompletableFuture<Integer> f = new CompletableFuture<>();
3035		final CompletableFutureInc r = new CompletableFutureInc(m);
3036	<	if (!createIncomplete) f.complete(v1);
3036	>	if (!createIncomplete) assertTrue(f.complete(v1));
3037		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3038	<	if (createIncomplete) f.complete(v1);
3038	>	if (createIncomplete) assertTrue(f.complete(v1));
3039
3040		checkCompletedNormally(g, inc(v1));
3041		checkCompletedNormally(f, v1);
3042	<	r.assertInvoked();
3042	>	r.assertValue(v1);
3043		}}
3044
3045		/**
#	Line 2492 \| Line 3057 \| public class CompletableFutureTest exten
3057		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3058		if (createIncomplete) f.completeExceptionally(ex);
3059
3060	<	checkCompletedWithWrappedCFException(g, ex);
3061	<	checkCompletedWithWrappedCFException(f, ex);
3060	>	checkCompletedWithWrappedException(g, ex);
3061	>	checkCompletedExceptionally(f, ex);
3062		r.assertNotInvoked();
3063		}}
3064
#	Line 2508 \| Line 3073 \| public class CompletableFutureTest exten
3073		final CompletableFuture<Integer> f = new CompletableFuture<>();
3074		final FailingCompletableFutureFunction r
3075		= new FailingCompletableFutureFunction(m);
3076	<	if (!createIncomplete) f.complete(v1);
3076	>	if (!createIncomplete) assertTrue(f.complete(v1));
3077		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3078	<	if (createIncomplete) f.complete(v1);
3078	>	if (createIncomplete) assertTrue(f.complete(v1));
3079
3080	<	checkCompletedWithWrappedCFException(g);
3080	>	checkCompletedWithWrappedException(g, r.ex);
3081		checkCompletedNormally(f, v1);
3082		}}
3083
#	Line 2537 \| Line 3102 \| public class CompletableFutureTest exten
3102		checkCancelled(f);
3103		}}
3104
3105	+	/**
3106	+	* thenCompose result completes exceptionally if the result of the action does
3107	+	*/
3108	+	public void testThenCompose_actionReturnsFailingFuture() {
3109	+	for (ExecutionMode m : ExecutionMode.values())
3110	+	for (int order = 0; order < 6; order++)
3111	+	for (Integer v1 : new Integer[] { 1, null })
3112	+	{
3113	+	final CFException ex = new CFException();
3114	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3115	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3116	+	final CompletableFuture<Integer> h;
3117	+	// Test all permutations of orders
3118	+	switch (order) {
3119	+	case 0:
3120	+	assertTrue(f.complete(v1));
3121	+	assertTrue(g.completeExceptionally(ex));
3122	+	h = m.thenCompose(f, (x -> g));
3123	+	break;
3124	+	case 1:
3125	+	assertTrue(f.complete(v1));
3126	+	h = m.thenCompose(f, (x -> g));
3127	+	assertTrue(g.completeExceptionally(ex));
3128	+	break;
3129	+	case 2:
3130	+	assertTrue(g.completeExceptionally(ex));
3131	+	assertTrue(f.complete(v1));
3132	+	h = m.thenCompose(f, (x -> g));
3133	+	break;
3134	+	case 3:
3135	+	assertTrue(g.completeExceptionally(ex));
3136	+	h = m.thenCompose(f, (x -> g));
3137	+	assertTrue(f.complete(v1));
3138	+	break;
3139	+	case 4:
3140	+	h = m.thenCompose(f, (x -> g));
3141	+	assertTrue(f.complete(v1));
3142	+	assertTrue(g.completeExceptionally(ex));
3143	+	break;
3144	+	case 5:
3145	+	h = m.thenCompose(f, (x -> g));
3146	+	assertTrue(f.complete(v1));
3147	+	assertTrue(g.completeExceptionally(ex));
3148	+	break;
3149	+	default: throw new AssertionError();
3150	+	}
3151	+
3152	+	checkCompletedExceptionally(g, ex);
3153	+	checkCompletedWithWrappedException(h, ex);
3154	+	checkCompletedNormally(f, v1);
3155	+	}}
3156	+
3157	+	/**
3158	+	* exceptionallyCompose result completes normally after normal
3159	+	* completion of source
3160	+	*/
3161	+	public void testExceptionallyCompose_normalCompletion() {
3162	+	for (ExecutionMode m : ExecutionMode.values())
3163	+	for (boolean createIncomplete : new boolean[] { true, false })
3164	+	for (Integer v1 : new Integer[] { 1, null })
3165	+	{
3166	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3167	+	final ExceptionalCompletableFutureFunction r =
3168	+	new ExceptionalCompletableFutureFunction(m);
3169	+	if (!createIncomplete) assertTrue(f.complete(v1));
3170	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3171	+	if (createIncomplete) assertTrue(f.complete(v1));
3172	+
3173	+	checkCompletedNormally(f, v1);
3174	+	checkCompletedNormally(g, v1);
3175	+	r.assertNotInvoked();
3176	+	}}
3177	+
3178	+	/**
3179	+	* exceptionallyCompose result completes normally after exceptional
3180	+	* completion of source
3181	+	*/
3182	+	public void testExceptionallyCompose_exceptionalCompletion() {
3183	+	for (ExecutionMode m : ExecutionMode.values())
3184	+	for (boolean createIncomplete : new boolean[] { true, false })
3185	+	{
3186	+	final CFException ex = new CFException();
3187	+	final ExceptionalCompletableFutureFunction r =
3188	+	new ExceptionalCompletableFutureFunction(m);
3189	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3190	+	if (!createIncomplete) f.completeExceptionally(ex);
3191	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3192	+	if (createIncomplete) f.completeExceptionally(ex);
3193	+
3194	+	checkCompletedExceptionally(f, ex);
3195	+	checkCompletedNormally(g, r.value);
3196	+	r.assertInvoked();
3197	+	}}
3198	+
3199	+	/**
3200	+	* exceptionallyCompose completes exceptionally on exception if action does
3201	+	*/
3202	+	public void testExceptionallyCompose_actionFailed() {
3203	+	for (ExecutionMode m : ExecutionMode.values())
3204	+	for (boolean createIncomplete : new boolean[] { true, false })
3205	+	for (Integer v1 : new Integer[] { 1, null })
3206	+	{
3207	+	final CFException ex = new CFException();
3208	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3209	+	final FailingExceptionalCompletableFutureFunction r
3210	+	= new FailingExceptionalCompletableFutureFunction(m);
3211	+	if (!createIncomplete) f.completeExceptionally(ex);
3212	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3213	+	if (createIncomplete) f.completeExceptionally(ex);
3214	+
3215	+	checkCompletedExceptionally(f, ex);
3216	+	checkCompletedWithWrappedException(g, r.ex);
3217	+	r.assertInvoked();
3218	+	}}
3219	+
3220	+
3221		// other static methods
3222
3223		/**
#	Line 2553 \| Line 3234 \| public class CompletableFutureTest exten
3234		* when all components complete normally
3235		*/
3236		public void testAllOf_normal() throws Exception {
3237	<	for (int k = 1; k < 20; ++k) {
3237	>	for (int k = 1; k < 10; k++) {
3238		CompletableFuture<Integer>[] fs
3239		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3240	<	for (int i = 0; i < k; ++i)
3240	>	for (int i = 0; i < k; i++)
3241		fs[i] = new CompletableFuture<>();
3242		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3243	<	for (int i = 0; i < k; ++i) {
3243	>	for (int i = 0; i < k; i++) {
3244		checkIncomplete(f);
3245		checkIncomplete(CompletableFuture.allOf(fs));
3246		fs[i].complete(one);
#	Line 2569 \| Line 3250 \| public class CompletableFutureTest exten
3250		}
3251		}
3252
3253	<	public void testAllOf_backwards() throws Exception {
3254	<	for (int k = 1; k < 20; ++k) {
3253	>	public void testAllOf_normal_backwards() throws Exception {
3254	>	for (int k = 1; k < 10; k++) {
3255		CompletableFuture<Integer>[] fs
3256		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3257	<	for (int i = 0; i < k; ++i)
3257	>	for (int i = 0; i < k; i++)
3258		fs[i] = new CompletableFuture<>();
3259		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3260		for (int i = k - 1; i >= 0; i--) {
#	Line 2586 \| Line 3267 \| public class CompletableFutureTest exten
3267		}
3268		}
3269
3270	+	public void testAllOf_exceptional() throws Exception {
3271	+	for (int k = 1; k < 10; k++) {
3272	+	CompletableFuture<Integer>[] fs
3273	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3274	+	CFException ex = new CFException();
3275	+	for (int i = 0; i < k; i++)
3276	+	fs[i] = new CompletableFuture<>();
3277	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3278	+	for (int i = 0; i < k; i++) {
3279	+	checkIncomplete(f);
3280	+	checkIncomplete(CompletableFuture.allOf(fs));
3281	+	if (i != k / 2) {
3282	+	fs[i].complete(i);
3283	+	checkCompletedNormally(fs[i], i);
3284	+	} else {
3285	+	fs[i].completeExceptionally(ex);
3286	+	checkCompletedExceptionally(fs[i], ex);
3287	+	}
3288	+	}
3289	+	checkCompletedWithWrappedException(f, ex);
3290	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3291	+	}
3292	+	}
3293	+
3294		/**
3295		* anyOf(no component futures) returns an incomplete future
3296		*/
3297		public void testAnyOf_empty() throws Exception {
3298	+	for (Integer v1 : new Integer[] { 1, null })
3299	+	{
3300		CompletableFuture<Object> f = CompletableFuture.anyOf();
3301		checkIncomplete(f);
3302	<	}
3302	>
3303	>	f.complete(v1);
3304	>	checkCompletedNormally(f, v1);
3305	>	}}
3306
3307		/**
3308		* anyOf returns a future completed normally with a value when
3309		* a component future does
3310		*/
3311		public void testAnyOf_normal() throws Exception {
3312	<	for (int k = 0; k < 10; ++k) {
3312	>	for (int k = 0; k < 10; k++) {
3313		CompletableFuture[] fs = new CompletableFuture[k];
3314	<	for (int i = 0; i < k; ++i)
3314	>	for (int i = 0; i < k; i++)
3315		fs[i] = new CompletableFuture<>();
3316		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3317		checkIncomplete(f);
3318	<	for (int i = 0; i < k; ++i) {
3319	<	fs[i].complete(one);
3320	<	checkCompletedNormally(f, one);
3321	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3318	>	for (int i = 0; i < k; i++) {
3319	>	fs[i].complete(i);
3320	>	checkCompletedNormally(f, 0);
3321	>	int x = (int) CompletableFuture.anyOf(fs).join();
3322	>	assertTrue(0 <= x && x <= i);
3323	>	}
3324	>	}
3325	>	}
3326	>	public void testAnyOf_normal_backwards() throws Exception {
3327	>	for (int k = 0; k < 10; k++) {
3328	>	CompletableFuture[] fs = new CompletableFuture[k];
3329	>	for (int i = 0; i < k; i++)
3330	>	fs[i] = new CompletableFuture<>();
3331	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3332	>	checkIncomplete(f);
3333	>	for (int i = k - 1; i >= 0; i--) {
3334	>	fs[i].complete(i);
3335	>	checkCompletedNormally(f, k - 1);
3336	>	int x = (int) CompletableFuture.anyOf(fs).join();
3337	>	assertTrue(i <= x && x <= k - 1);
3338		}
3339		}
3340		}
#	Line 2617 \| Line 3343 \| public class CompletableFutureTest exten
3343		* anyOf result completes exceptionally when any component does.
3344		*/
3345		public void testAnyOf_exceptional() throws Exception {
3346	<	for (int k = 0; k < 10; ++k) {
3346	>	for (int k = 0; k < 10; k++) {
3347		CompletableFuture[] fs = new CompletableFuture[k];
3348	<	for (int i = 0; i < k; ++i)
3348	>	CFException[] exs = new CFException[k];
3349	>	for (int i = 0; i < k; i++) {
3350		fs[i] = new CompletableFuture<>();
3351	+	exs[i] = new CFException();
3352	+	}
3353		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3354		checkIncomplete(f);
3355	<	for (int i = 0; i < k; ++i) {
3356	<	fs[i].completeExceptionally(new CFException());
3357	<	checkCompletedWithWrappedCFException(f);
3355	>	for (int i = 0; i < k; i++) {
3356	>	fs[i].completeExceptionally(exs[i]);
3357	>	checkCompletedWithWrappedException(f, exs[0]);
3358	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3359	>	}
3360	>	}
3361	>	}
3362	>
3363	>	public void testAnyOf_exceptional_backwards() throws Exception {
3364	>	for (int k = 0; k < 10; k++) {
3365	>	CompletableFuture[] fs = new CompletableFuture[k];
3366	>	CFException[] exs = new CFException[k];
3367	>	for (int i = 0; i < k; i++) {
3368	>	fs[i] = new CompletableFuture<>();
3369	>	exs[i] = new CFException();
3370	>	}
3371	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3372	>	checkIncomplete(f);
3373	>	for (int i = k - 1; i >= 0; i--) {
3374	>	fs[i].completeExceptionally(exs[i]);
3375	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3376		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3377		}
3378		}
#	Line 2634 \| Line 3381 \| public class CompletableFutureTest exten
3381		/**
3382		* Completion methods throw NullPointerException with null arguments
3383		*/
3384	+	@SuppressWarnings("FutureReturnValueIgnored")
3385		public void testNPE() {
3386		CompletableFuture<Integer> f = new CompletableFuture<>();
3387		CompletableFuture<Integer> g = new CompletableFuture<>();
3388		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2641	–	CompletableFuture<?> h;
3389		ThreadExecutor exec = new ThreadExecutor();
3390
3391		Runnable[] throwingActions = {
3392		() -> CompletableFuture.supplyAsync(null),
3393		() -> CompletableFuture.supplyAsync(null, exec),
3394	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3394	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3395
3396		() -> CompletableFuture.runAsync(null),
3397		() -> CompletableFuture.runAsync(null, exec),
#	Line 2654 \| Line 3401 \| public class CompletableFutureTest exten
3401
3402		() -> f.thenApply(null),
3403		() -> f.thenApplyAsync(null),
3404	<	() -> f.thenApplyAsync((x) -> x, null),
3404	>	() -> f.thenApplyAsync(x -> x, null),
3405		() -> f.thenApplyAsync(null, exec),
3406
3407		() -> f.thenAccept(null),
3408		() -> f.thenAcceptAsync(null),
3409	<	() -> f.thenAcceptAsync((x) -> {} , null),
3409	>	() -> f.thenAcceptAsync(x -> {} , null),
3410		() -> f.thenAcceptAsync(null, exec),
3411
3412		() -> f.thenRun(null),
#	Line 2694 \| Line 3441 \| public class CompletableFutureTest exten
3441		() -> f.applyToEither(g, null),
3442		() -> f.applyToEitherAsync(g, null),
3443		() -> f.applyToEitherAsync(g, null, exec),
3444	<	() -> f.applyToEither(nullFuture, (x) -> x),
3445	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3446	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3447	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3444	>	() -> f.applyToEither(nullFuture, x -> x),
3445	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3446	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3447	>	() -> f.applyToEitherAsync(g, x -> x, null),
3448
3449		() -> f.acceptEither(g, null),
3450		() -> f.acceptEitherAsync(g, null),
3451		() -> f.acceptEitherAsync(g, null, exec),
3452	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3453	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3454	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3455	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3452	>	() -> f.acceptEither(nullFuture, x -> {}),
3453	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3454	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3455	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3456
3457		() -> f.runAfterEither(g, null),
3458		() -> f.runAfterEitherAsync(g, null),
#	Line 2735 \| Line 3482 \| public class CompletableFutureTest exten
3482		() -> CompletableFuture.anyOf(null, f),
3483
3484		() -> f.obtrudeException(null),
3485	+
3486	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3487	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3488	+	() -> CompletableFuture.delayedExecutor(1L, null),
3489	+
3490	+	() -> f.orTimeout(1L, null),
3491	+	() -> f.completeOnTimeout(42, 1L, null),
3492	+
3493	+	() -> CompletableFuture.failedFuture(null),
3494	+	() -> CompletableFuture.failedStage(null),
3495		};
3496
3497		assertThrows(NullPointerException.class, throwingActions);
#	Line 2742 \| Line 3499 \| public class CompletableFutureTest exten
3499		}
3500
3501		/**
3502	+	* Test submissions to an executor that rejects all tasks.
3503	+	*/
3504	+	public void testRejectingExecutor() {
3505	+	for (Integer v : new Integer[] { 1, null })
3506	+	{
3507	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3508	+
3509	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3510	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3511	+
3512	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3513	+
3514	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3515	+	srcs.add(complete);
3516	+	srcs.add(incomplete);
3517	+
3518	+	for (CompletableFuture<Integer> src : srcs) {
3519	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3520	+	fs.add(src.thenRunAsync(() -> {}, e));
3521	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3522	+	fs.add(src.thenApplyAsync(z -> z, e));
3523	+
3524	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3525	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3526	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3527	+
3528	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3529	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3530	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3531	+
3532	+	fs.add(src.thenComposeAsync(z -> null, e));
3533	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3534	+	fs.add(src.handleAsync((z, t) -> null, e));
3535	+
3536	+	for (CompletableFuture<?> future : fs) {
3537	+	if (src.isDone())
3538	+	checkCompletedWithWrappedException(future, e.ex);
3539	+	else
3540	+	checkIncomplete(future);
3541	+	}
3542	+	futures.addAll(fs);
3543	+	}
3544	+
3545	+	{
3546	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3547	+
3548	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3549	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3550	+
3551	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3552	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3553	+
3554	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3555	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3556	+
3557	+	for (CompletableFuture<?> future : fs)
3558	+	checkIncomplete(future);
3559	+	futures.addAll(fs);
3560	+	}
3561	+
3562	+	{
3563	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3564	+
3565	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3566	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3567	+
3568	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3569	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3570	+
3571	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3572	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3573	+
3574	+	for (CompletableFuture<?> future : fs)
3575	+	checkCompletedWithWrappedException(future, e.ex);
3576	+	futures.addAll(fs);
3577	+	}
3578	+
3579	+	incomplete.complete(v);
3580	+
3581	+	for (CompletableFuture<?> future : futures)
3582	+	checkCompletedWithWrappedException(future, e.ex);
3583	+
3584	+	assertEquals(futures.size(), e.count.get());
3585	+	}}
3586	+
3587	+	/**
3588	+	* Test submissions to an executor that rejects all tasks, but
3589	+	* should never be invoked because the dependent future is
3590	+	* explicitly completed.
3591	+	*/
3592	+	public void testRejectingExecutorNeverInvoked() {
3593	+	for (Integer v : new Integer[] { 1, null })
3594	+	{
3595	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3596	+
3597	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3598	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3599	+
3600	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3601	+
3602	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3603	+	srcs.add(complete);
3604	+	srcs.add(incomplete);
3605	+
3606	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3607	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3608	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3609	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3610	+
3611	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3612	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3613	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3614	+
3615	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3616	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3617	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3618	+
3619	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3620	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3621	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3622	+
3623	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3624	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3625	+
3626	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3627	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3628	+
3629	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3630	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3631	+
3632	+	for (CompletableFuture<?> future : fs)
3633	+	checkIncomplete(future);
3634	+
3635	+	for (CompletableFuture<?> future : fs)
3636	+	future.complete(null);
3637	+
3638	+	incomplete.complete(v);
3639	+
3640	+	for (CompletableFuture<?> future : fs)
3641	+	checkCompletedNormally(future, null);
3642	+
3643	+	assertEquals(0, e.count.get());
3644	+	}}
3645	+
3646	+	/**
3647		* toCompletableFuture returns this CompletableFuture.
3648		*/
3649		public void testToCompletableFuture() {
#	Line 2749 \| Line 3651 \| public class CompletableFutureTest exten
3651		assertSame(f, f.toCompletableFuture());
3652		}
3653
3654	+	// jdk9
3655	+
3656		/**
3657	<	* whenComplete action executes on normal completion, propagating
2754	<	* source result.
3657	>	* newIncompleteFuture returns an incomplete CompletableFuture
3658		*/
3659	<	public void testWhenComplete_normalCompletion1() {
3660	<	for (ExecutionMode m : ExecutionMode.values())
3659	>	public void testNewIncompleteFuture() {
3660	>	for (Integer v1 : new Integer[] { 1, null })
3661	>	{
3662	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3663	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3664	>	checkIncomplete(f);
3665	>	checkIncomplete(g);
3666	>	f.complete(v1);
3667	>	checkCompletedNormally(f, v1);
3668	>	checkIncomplete(g);
3669	>	g.complete(v1);
3670	>	checkCompletedNormally(g, v1);
3671	>	assertSame(g.getClass(), CompletableFuture.class);
3672	>	}}
3673	>
3674	>	/**
3675	>	* completedStage returns a completed CompletionStage
3676	>	*/
3677	>	public void testCompletedStage() {
3678	>	AtomicInteger x = new AtomicInteger(0);
3679	>	AtomicReference<Throwable> r = new AtomicReference<>();
3680	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3681	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3682	>	assertEquals(x.get(), 1);
3683	>	assertNull(r.get());
3684	>	}
3685	>
3686	>	/**
3687	>	* defaultExecutor by default returns the commonPool if
3688	>	* it supports more than one thread.
3689	>	*/
3690	>	public void testDefaultExecutor() {
3691	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3692	>	Executor e = f.defaultExecutor();
3693	>	Executor c = ForkJoinPool.commonPool();
3694	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3695	>	assertSame(e, c);
3696	>	else
3697	>	assertNotSame(e, c);
3698	>	}
3699	>
3700	>	/**
3701	>	* failedFuture returns a CompletableFuture completed
3702	>	* exceptionally with the given Exception
3703	>	*/
3704	>	public void testFailedFuture() {
3705	>	CFException ex = new CFException();
3706	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3707	>	checkCompletedExceptionally(f, ex);
3708	>	}
3709	>
3710	>	/**
3711	>	* failedFuture(null) throws NPE
3712	>	*/
3713	>	public void testFailedFuture_null() {
3714	>	try {
3715	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3716	>	shouldThrow();
3717	>	} catch (NullPointerException success) {}
3718	>	}
3719	>
3720	>	/**
3721	>	* copy returns a CompletableFuture that is completed normally,
3722	>	* with the same value, when source is.
3723	>	*/
3724	>	public void testCopy_normalCompletion() {
3725		for (boolean createIncomplete : new boolean[] { true, false })
3726		for (Integer v1 : new Integer[] { 1, null })
3727		{
3728	<	final AtomicInteger a = new AtomicInteger(0);
3729	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3730	<	if (!createIncomplete) f.complete(v1);
3731	<	final CompletableFuture<Integer> g = m.whenComplete
3732	<	(f,
3733	<	(Integer x, Throwable t) -> {
3734	<	threadAssertSame(x, v1);
3735	<	threadAssertNull(t);
3736	<	a.getAndIncrement();
3737	<	});
3738	<	if (createIncomplete) f.complete(v1);
3728	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3729	>	if (!createIncomplete) assertTrue(f.complete(v1));
3730	>	CompletableFuture<Integer> g = f.copy();
3731	>	if (createIncomplete) {
3732	>	checkIncomplete(f);
3733	>	checkIncomplete(g);
3734	>	assertTrue(f.complete(v1));
3735	>	}
3736	>	checkCompletedNormally(f, v1);
3737	>	checkCompletedNormally(g, v1);
3738	>	}}
3739	>
3740	>	/**
3741	>	* copy returns a CompletableFuture that is completed exceptionally
3742	>	* when source is.
3743	>	*/
3744	>	public void testCopy_exceptionalCompletion() {
3745	>	for (boolean createIncomplete : new boolean[] { true, false })
3746	>	{
3747	>	CFException ex = new CFException();
3748	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3749	>	if (!createIncomplete) f.completeExceptionally(ex);
3750	>	CompletableFuture<Integer> g = f.copy();
3751	>	if (createIncomplete) {
3752	>	checkIncomplete(f);
3753	>	checkIncomplete(g);
3754	>	f.completeExceptionally(ex);
3755	>	}
3756	>	checkCompletedExceptionally(f, ex);
3757	>	checkCompletedWithWrappedException(g, ex);
3758	>	}}
3759	>
3760	>	/**
3761	>	* Completion of a copy does not complete its source.
3762	>	*/
3763	>	public void testCopy_oneWayPropagation() {
3764	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3765	>	assertTrue(f.copy().complete(1));
3766	>	assertTrue(f.copy().complete(null));
3767	>	assertTrue(f.copy().cancel(true));
3768	>	assertTrue(f.copy().cancel(false));
3769	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3770	>	checkIncomplete(f);
3771	>	}
3772	>
3773	>	/**
3774	>	* minimalCompletionStage returns a CompletableFuture that is
3775	>	* completed normally, with the same value, when source is.
3776	>	*/
3777	>	public void testMinimalCompletionStage() {
3778	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3779	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3780	>	AtomicInteger x = new AtomicInteger(0);
3781	>	AtomicReference<Throwable> r = new AtomicReference<>();
3782	>	checkIncomplete(f);
3783	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3784	>	f.complete(1);
3785	>	checkCompletedNormally(f, 1);
3786	>	assertEquals(x.get(), 1);
3787	>	assertNull(r.get());
3788	>	}
3789	>
3790	>	/**
3791	>	* minimalCompletionStage returns a CompletableFuture that is
3792	>	* completed exceptionally when source is.
3793	>	*/
3794	>	public void testMinimalCompletionStage2() {
3795	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3796	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3797	>	AtomicInteger x = new AtomicInteger(0);
3798	>	AtomicReference<Throwable> r = new AtomicReference<>();
3799	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3800	>	checkIncomplete(f);
3801	>	CFException ex = new CFException();
3802	>	f.completeExceptionally(ex);
3803	>	checkCompletedExceptionally(f, ex);
3804	>	assertEquals(x.get(), 0);
3805	>	assertEquals(r.get().getCause(), ex);
3806	>	}
3807	>
3808	>	/**
3809	>	* failedStage returns a CompletionStage completed
3810	>	* exceptionally with the given Exception
3811	>	*/
3812	>	public void testFailedStage() {
3813	>	CFException ex = new CFException();
3814	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3815	>	AtomicInteger x = new AtomicInteger(0);
3816	>	AtomicReference<Throwable> r = new AtomicReference<>();
3817	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3818	>	assertEquals(x.get(), 0);
3819	>	assertEquals(r.get(), ex);
3820	>	}
3821	>
3822	>	/**
3823	>	* completeAsync completes with value of given supplier
3824	>	*/
3825	>	public void testCompleteAsync() {
3826	>	for (Integer v1 : new Integer[] { 1, null })
3827	>	{
3828	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3829	>	f.completeAsync(() -> v1);
3830	>	f.join();
3831	>	checkCompletedNormally(f, v1);
3832	>	}}
3833	>
3834	>	/**
3835	>	* completeAsync completes exceptionally if given supplier throws
3836	>	*/
3837	>	public void testCompleteAsync2() {
3838	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3839	>	CFException ex = new CFException();
3840	>	f.completeAsync(() -> { throw ex; });
3841	>	try {
3842	>	f.join();
3843	>	shouldThrow();
3844	>	} catch (CompletionException success) {}
3845	>	checkCompletedWithWrappedException(f, ex);
3846	>	}
3847	>
3848	>	/**
3849	>	* completeAsync with given executor completes with value of given supplier
3850	>	*/
3851	>	public void testCompleteAsync3() {
3852	>	for (Integer v1 : new Integer[] { 1, null })
3853	>	{
3854	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3855	>	ThreadExecutor executor = new ThreadExecutor();
3856	>	f.completeAsync(() -> v1, executor);
3857	>	assertSame(v1, f.join());
3858	>	checkCompletedNormally(f, v1);
3859	>	assertEquals(1, executor.count.get());
3860	>	}}
3861	>
3862	>	/**
3863	>	* completeAsync with given executor completes exceptionally if
3864	>	* given supplier throws
3865	>	*/
3866	>	public void testCompleteAsync4() {
3867	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3868	>	CFException ex = new CFException();
3869	>	ThreadExecutor executor = new ThreadExecutor();
3870	>	f.completeAsync(() -> { throw ex; }, executor);
3871	>	try {
3872	>	f.join();
3873	>	shouldThrow();
3874	>	} catch (CompletionException success) {}
3875	>	checkCompletedWithWrappedException(f, ex);
3876	>	assertEquals(1, executor.count.get());
3877	>	}
3878	>
3879	>	/**
3880	>	* orTimeout completes with TimeoutException if not complete
3881	>	*/
3882	>	public void testOrTimeout_timesOut() {
3883	>	long timeoutMillis = timeoutMillis();
3884	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3885	>	long startTime = System.nanoTime();
3886	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3887	>	checkCompletedWithTimeoutException(f);
3888	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3889	>	}
3890
3891	+	/**
3892	+	* orTimeout completes normally if completed before timeout
3893	+	*/
3894	+	public void testOrTimeout_completed() {
3895	+	for (Integer v1 : new Integer[] { 1, null })
3896	+	{
3897	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3898	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3899	+	long startTime = System.nanoTime();
3900	+	f.complete(v1);
3901	+	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3902	+	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3903	+	g.complete(v1);
3904	+	checkCompletedNormally(f, v1);
3905		checkCompletedNormally(g, v1);
3906	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3907	+	}}
3908	+
3909	+	/**
3910	+	* completeOnTimeout completes with given value if not complete
3911	+	*/
3912	+	public void testCompleteOnTimeout_timesOut() {
3913	+	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3914	+	() -> testCompleteOnTimeout_timesOut(null));
3915	+	}
3916	+
3917	+	/**
3918	+	* completeOnTimeout completes with given value if not complete
3919	+	*/
3920	+	public void testCompleteOnTimeout_timesOut(Integer v) {
3921	+	long timeoutMillis = timeoutMillis();
3922	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3923	+	long startTime = System.nanoTime();
3924	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3925	+	assertSame(v, f.join());
3926	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3927	+	f.complete(99); // should have no effect
3928	+	checkCompletedNormally(f, v);
3929	+	}
3930	+
3931	+	/**
3932	+	* completeOnTimeout has no effect if completed within timeout
3933	+	*/
3934	+	public void testCompleteOnTimeout_completed() {
3935	+	for (Integer v1 : new Integer[] { 1, null })
3936	+	{
3937	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3938	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3939	+	long startTime = System.nanoTime();
3940	+	f.complete(v1);
3941	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3942	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3943	+	g.complete(v1);
3944		checkCompletedNormally(f, v1);
3945	<	assertEquals(1, a.get());
3945	>	checkCompletedNormally(g, v1);
3946	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3947		}}
3948
3949		/**
3950	<	* whenComplete action executes on exceptional completion, propagating
2780	<	* source result.
3950	>	* delayedExecutor returns an executor that delays submission
3951		*/
3952	<	public void testWhenComplete_exceptionalCompletion() {
3952	>	public void testDelayedExecutor() {
3953	>	testInParallel(() -> testDelayedExecutor(null, null),
3954	>	() -> testDelayedExecutor(null, 1),
3955	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3956	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3957	>	}
3958	>
3959	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3960	>	long timeoutMillis = timeoutMillis();
3961	>	// Use an "unreasonably long" long timeout to catch lingering threads
3962	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3963	>	final Executor delayer, longDelayer;
3964	>	if (executor == null) {
3965	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3966	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3967	>	} else {
3968	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3969	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3970	>	}
3971	>	long startTime = System.nanoTime();
3972	>	CompletableFuture<Integer> f =
3973	>	CompletableFuture.supplyAsync(() -> v, delayer);
3974	>	CompletableFuture<Integer> g =
3975	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3976	>
3977	>	assertNull(g.getNow(null));
3978	>
3979	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3980	>	long millisElapsed = millisElapsedSince(startTime);
3981	>	assertTrue(millisElapsed >= timeoutMillis);
3982	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3983	>
3984	>	checkCompletedNormally(f, v);
3985	>
3986	>	checkIncomplete(g);
3987	>	assertTrue(g.cancel(true));
3988	>	}
3989	>
3990	>	//--- tests of implementation details; not part of official tck ---
3991	>
3992	>	Object resultOf(CompletableFuture<?> f) {
3993	>	SecurityManager sm = System.getSecurityManager();
3994	>	if (sm != null) {
3995	>	try {
3996	>	System.setSecurityManager(null);
3997	>	} catch (SecurityException giveUp) {
3998	>	return "Reflection not available";
3999	>	}
4000	>	}
4001	>
4002	>	try {
4003	>	java.lang.reflect.Field resultField
4004	>	= CompletableFuture.class.getDeclaredField("result");
4005	>	resultField.setAccessible(true);
4006	>	return resultField.get(f);
4007	>	} catch (Throwable t) {
4008	>	throw new AssertionError(t);
4009	>	} finally {
4010	>	if (sm != null) System.setSecurityManager(sm);
4011	>	}
4012	>	}
4013	>
4014	>	public void testExceptionPropagationReusesResultObject() {
4015	>	if (!testImplementationDetails) return;
4016		for (ExecutionMode m : ExecutionMode.values())
4017	+	{
4018	+	final CFException ex = new CFException();
4019	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4020	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4021	+
4022	+	final Runnable noopRunnable = new Noop(m);
4023	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4024	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
4025	+
4026	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4027	+	= new ArrayList<>();
4028	+
4029	+	funs.add(y -> m.thenRun(y, noopRunnable));
4030	+	funs.add(y -> m.thenAccept(y, noopConsumer));
4031	+	funs.add(y -> m.thenApply(y, incFunction));
4032	+
4033	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4034	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4035	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4036	+
4037	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4038	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4039	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4040	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4041	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4042	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4043	+
4044	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4045	+
4046	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4047	+
4048	+	funs.add(y -> CompletableFuture.allOf(y));
4049	+	funs.add(y -> CompletableFuture.allOf(y, v42));
4050	+	funs.add(y -> CompletableFuture.allOf(v42, y));
4051	+	funs.add(y -> CompletableFuture.anyOf(y));
4052	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4053	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4054	+
4055	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4056	+	fun : funs) {
4057	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4058	+	f.completeExceptionally(ex);
4059	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4060	+	checkCompletedWithWrappedException(src, ex);
4061	+	CompletableFuture<?> dep = fun.apply(src);
4062	+	checkCompletedWithWrappedException(dep, ex);
4063	+	assertSame(resultOf(src), resultOf(dep));
4064	+	}
4065	+
4066	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4067	+	fun : funs) {
4068	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4069	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4070	+	CompletableFuture<?> dep = fun.apply(src);
4071	+	f.completeExceptionally(ex);
4072	+	checkCompletedWithWrappedException(src, ex);
4073	+	checkCompletedWithWrappedException(dep, ex);
4074	+	assertSame(resultOf(src), resultOf(dep));
4075	+	}
4076	+
4077	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4078	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4079	+	fun : funs) {
4080	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4081	+	f.cancel(mayInterruptIfRunning);
4082	+	checkCancelled(f);
4083	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4084	+	checkCompletedWithWrappedCancellationException(src);
4085	+	CompletableFuture<?> dep = fun.apply(src);
4086	+	checkCompletedWithWrappedCancellationException(dep);
4087	+	assertSame(resultOf(src), resultOf(dep));
4088	+	}
4089	+
4090	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4091	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4092	+	fun : funs) {
4093	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4094	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4095	+	CompletableFuture<?> dep = fun.apply(src);
4096	+	f.cancel(mayInterruptIfRunning);
4097	+	checkCancelled(f);
4098	+	checkCompletedWithWrappedCancellationException(src);
4099	+	checkCompletedWithWrappedCancellationException(dep);
4100	+	assertSame(resultOf(src), resultOf(dep));
4101	+	}
4102	+	}}
4103	+
4104	+	/**
4105	+	* Minimal completion stages throw UOE for most non-CompletionStage methods
4106	+	*/
4107	+	public void testMinimalCompletionStage_minimality() {
4108	+	if (!testImplementationDetails) return;
4109	+	Function<Method, String> toSignature =
4110	+	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4111	+	Predicate<Method> isNotStatic =
4112	+	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4113	+	List<Method> minimalMethods =
4114	+	Stream.of(Object.class, CompletionStage.class)
4115	+	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4116	+	.filter(isNotStatic)
4117	+	.collect(Collectors.toList());
4118	+	// Methods from CompletableFuture permitted NOT to throw UOE
4119	+	String[] signatureWhitelist = {
4120	+	"newIncompleteFuture[]",
4121	+	"defaultExecutor[]",
4122	+	"minimalCompletionStage[]",
4123	+	"copy[]",
4124	+	};
4125	+	Set<String> permittedMethodSignatures =
4126	+	Stream.concat(minimalMethods.stream().map(toSignature),
4127	+	Stream.of(signatureWhitelist))
4128	+	.collect(Collectors.toSet());
4129	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4130	+	.filter(isNotStatic)
4131	+	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4132	+	.collect(Collectors.toList());
4133	+
4134	+	List<CompletionStage<Integer>> stages = new ArrayList<>();
4135	+	CompletionStage<Integer> min =
4136	+	new CompletableFuture<Integer>().minimalCompletionStage();
4137	+	stages.add(min);
4138	+	stages.add(min.thenApply(x -> x));
4139	+	stages.add(CompletableFuture.completedStage(1));
4140	+	stages.add(CompletableFuture.failedStage(new CFException()));
4141	+
4142	+	List<Method> bugs = new ArrayList<>();
4143	+	for (Method method : allMethods) {
4144	+	Class<?>[] parameterTypes = method.getParameterTypes();
4145	+	Object[] args = new Object[parameterTypes.length];
4146	+	// Manufacture boxed primitives for primitive params
4147	+	for (int i = 0; i < args.length; i++) {
4148	+	Class<?> type = parameterTypes[i];
4149	+	if (parameterTypes[i] == boolean.class)
4150	+	args[i] = false;
4151	+	else if (parameterTypes[i] == int.class)
4152	+	args[i] = 0;
4153	+	else if (parameterTypes[i] == long.class)
4154	+	args[i] = 0L;
4155	+	}
4156	+	for (CompletionStage<Integer> stage : stages) {
4157	+	try {
4158	+	method.invoke(stage, args);
4159	+	bugs.add(method);
4160	+	}
4161	+	catch (java.lang.reflect.InvocationTargetException expected) {
4162	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4163	+	bugs.add(method);
4164	+	// expected.getCause().printStackTrace();
4165	+	}
4166	+	}
4167	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4168	+	}
4169	+	}
4170	+	if (!bugs.isEmpty())
4171	+	throw new Error("Methods did not throw UOE: " + bugs);
4172	+	}
4173	+
4174	+	/**
4175	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4176	+	* is completed normally, with the same value, when source is.
4177	+	*/
4178	+	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4179		for (boolean createIncomplete : new boolean[] { true, false })
4180		for (Integer v1 : new Integer[] { 1, null })
4181		{
4182	<	final AtomicInteger a = new AtomicInteger(0);
4183	<	final CFException ex = new CFException();
4184	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4182	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4183	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4184	>	if (!createIncomplete) assertTrue(f.complete(v1));
4185	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4186	>	if (createIncomplete) {
4187	>	checkIncomplete(f);
4188	>	checkIncomplete(g);
4189	>	assertTrue(f.complete(v1));
4190	>	}
4191	>	checkCompletedNormally(f, v1);
4192	>	checkCompletedNormally(g, v1);
4193	>	}}
4194	>
4195	>	/**
4196	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4197	>	* is completed exceptionally when source is.
4198	>	*/
4199	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4200	>	for (boolean createIncomplete : new boolean[] { true, false })
4201	>	{
4202	>	CFException ex = new CFException();
4203	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4204	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4205		if (!createIncomplete) f.completeExceptionally(ex);
4206	<	final CompletableFuture<Integer> g = m.whenComplete
4207	<	(f,
4208	<	(Integer x, Throwable t) -> {
4209	<	threadAssertNull(x);
4210	<	threadAssertSame(t, ex);
4211	<	a.getAndIncrement();
4212	<	});
4213	<	if (createIncomplete) f.completeExceptionally(ex);
2799	<	checkCompletedWithWrappedCFException(f, ex);
2800	<	checkCompletedWithWrappedCFException(g, ex);
2801	<	assertEquals(1, a.get());
4206	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4207	>	if (createIncomplete) {
4208	>	checkIncomplete(f);
4209	>	checkIncomplete(g);
4210	>	f.completeExceptionally(ex);
4211	>	}
4212	>	checkCompletedExceptionally(f, ex);
4213	>	checkCompletedWithWrappedException(g, ex);
4214		}}
4215
4216		/**
4217	<	* whenComplete action executes on cancelled source, propagating
2806	<	* CancellationException.
4217	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4218		*/
4219	<	public void testWhenComplete_sourceCancelled() {
4220	<	for (ExecutionMode m : ExecutionMode.values())
4221	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4219	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4220	>	for (Integer v1 : new Integer[] { 1, null })
4221	>	{
4222	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4223	>	CompletionStage minimal = f.minimalCompletionStage();
4224	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4225	>	assertTrue(g.complete(v1));
4226	>	checkCompletedNormally(g, v1);
4227	>	checkIncomplete(f);
4228	>	checkIncomplete(minimal.toCompletableFuture());
4229	>	}}
4230	>
4231	>	/**
4232	>	* minimalStage.toCompletableFuture().join() awaits completion
4233	>	*/
4234	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4235		for (boolean createIncomplete : new boolean[] { true, false })
4236	+	for (Integer v1 : new Integer[] { 1, null })
4237	+	{
4238	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4239	+	if (!createIncomplete) assertTrue(f.complete(v1));
4240	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4241	+	if (createIncomplete) assertTrue(f.complete(v1));
4242	+	assertEquals(v1, minimal.toCompletableFuture().join());
4243	+	assertEquals(v1, minimal.toCompletableFuture().get());
4244	+	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4245	+	}}
4246	+
4247	+	/**
4248	+	* Completion of a toCompletableFuture copy of a minimal stage
4249	+	* does not complete its source.
4250	+	*/
4251	+	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4252	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4253	+	CompletionStage<Integer> g = f.minimalCompletionStage();
4254	+	assertTrue(g.toCompletableFuture().complete(1));
4255	+	assertTrue(g.toCompletableFuture().complete(null));
4256	+	assertTrue(g.toCompletableFuture().cancel(true));
4257	+	assertTrue(g.toCompletableFuture().cancel(false));
4258	+	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4259	+	checkIncomplete(g.toCompletableFuture());
4260	+	f.complete(1);
4261	+	checkCompletedNormally(g.toCompletableFuture(), 1);
4262	+	}
4263	+
4264	+	/** Demo utility method for external reliable toCompletableFuture */
4265	+	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4266	+	CompletableFuture<T> f = new CompletableFuture<>();
4267	+	stage.handle((T t, Throwable ex) -> {
4268	+	if (ex != null) f.completeExceptionally(ex);
4269	+	else f.complete(t);
4270	+	return null;
4271	+	});
4272	+	return f;
4273	+	}
4274	+
4275	+	/** Demo utility method to join a CompletionStage */
4276	+	static <T> T join(CompletionStage<T> stage) {
4277	+	return toCompletableFuture(stage).join();
4278	+	}
4279	+
4280	+	/**
4281	+	* Joining a minimal stage "by hand" works
4282	+	*/
4283	+	public void testMinimalCompletionStage_join_by_hand() {
4284	+	for (boolean createIncomplete : new boolean[] { true, false })
4285	+	for (Integer v1 : new Integer[] { 1, null })
4286	+	{
4287	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4288	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4289	+	CompletableFuture<Integer> g = new CompletableFuture<>();
4290	+	if (!createIncomplete) assertTrue(f.complete(v1));
4291	+	minimal.thenAccept(x -> g.complete(x));
4292	+	if (createIncomplete) assertTrue(f.complete(v1));
4293	+	g.join();
4294	+	checkCompletedNormally(g, v1);
4295	+	checkCompletedNormally(f, v1);
4296	+	assertEquals(v1, join(minimal));
4297	+	}}
4298	+
4299	+	static class Monad {
4300	+	static class ZeroException extends RuntimeException {
4301	+	public ZeroException() { super("monadic zero"); }
4302	+	}
4303	+	// "return", "unit"
4304	+	static <T> CompletableFuture<T> unit(T value) {
4305	+	return completedFuture(value);
4306	+	}
4307	+	// monadic zero ?
4308	+	static <T> CompletableFuture<T> zero() {
4309	+	return failedFuture(new ZeroException());
4310	+	}
4311	+	// >=>
4312	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4313	+	(Function<T, CompletableFuture<U>> f,
4314	+	Function<U, CompletableFuture<V>> g) {
4315	+	return x -> f.apply(x).thenCompose(g);
4316	+	}
4317	+
4318	+	static void assertZero(CompletableFuture<?> f) {
4319	+	try {
4320	+	f.getNow(null);
4321	+	throw new AssertionError("should throw");
4322	+	} catch (CompletionException success) {
4323	+	assertTrue(success.getCause() instanceof ZeroException);
4324	+	}
4325	+	}
4326	+
4327	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4328	+	CompletableFuture<T> g) {
4329	+	T fval = null, gval = null;
4330	+	Throwable fex = null, gex = null;
4331	+
4332	+	try { fval = f.get(); }
4333	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4334	+	catch (Throwable ex) { fex = ex; }
4335	+
4336	+	try { gval = g.get(); }
4337	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4338	+	catch (Throwable ex) { gex = ex; }
4339	+
4340	+	if (fex != null \|\| gex != null)
4341	+	assertSame(fex.getClass(), gex.getClass());
4342	+	else
4343	+	assertEquals(fval, gval);
4344	+	}
4345	+
4346	+	static class PlusFuture<T> extends CompletableFuture<T> {
4347	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4348	+	}
4349	+
4350	+	/** Implements "monadic plus". */
4351	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4352	+	CompletableFuture<? extends T> g) {
4353	+	PlusFuture<T> plus = new PlusFuture<T>();
4354	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4355	+	try {
4356	+	if (ex == null) {
4357	+	if (plus.complete(result))
4358	+	if (plus.firstFailure.get() != null)
4359	+	plus.firstFailure.set(null);
4360	+	}
4361	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4362	+	if (plus.isDone())
4363	+	plus.firstFailure.set(null);
4364	+	}
4365	+	else {
4366	+	// first failure has precedence
4367	+	Throwable first = plus.firstFailure.getAndSet(null);
4368	+
4369	+	// may fail with "Self-suppression not permitted"
4370	+	try { first.addSuppressed(ex); }
4371	+	catch (Exception ignored) {}
4372	+
4373	+	plus.completeExceptionally(first);
4374	+	}
4375	+	} catch (Throwable unexpected) {
4376	+	plus.completeExceptionally(unexpected);
4377	+	}
4378	+	};
4379	+	f.whenComplete(action);
4380	+	g.whenComplete(action);
4381	+	return plus;
4382	+	}
4383	+	}
4384	+
4385	+	/**
4386	+	* CompletableFuture is an additive monad - sort of.
4387	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4388	+	*/
4389	+	public void testAdditiveMonad() throws Throwable {
4390	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4391	+	CompletableFuture<Long> zero = Monad.zero();
4392	+
4393	+	// Some mutually non-commutative functions
4394	+	Function<Long, CompletableFuture<Long>> triple
4395	+	= x -> Monad.unit(3 * x);
4396	+	Function<Long, CompletableFuture<Long>> inc
4397	+	= x -> Monad.unit(x + 1);
4398	+
4399	+	// unit is a right identity: m >>= unit === m
4400	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4401	+	inc.apply(5L));
4402	+	// unit is a left identity: (unit x) >>= f === f x
4403	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4404	+	inc.apply(5L));
4405	+
4406	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4407	+	Monad.assertFutureEquals(
4408	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4409	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4410	+
4411	+	// The case for CompletableFuture as an additive monad is weaker...
4412	+
4413	+	// zero is a monadic zero
4414	+	Monad.assertZero(zero);
4415	+
4416	+	// left zero: zero >>= f === zero
4417	+	Monad.assertZero(zero.thenCompose(inc));
4418	+	// right zero: f >>= (\x -> zero) === zero
4419	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4420	+
4421	+	// f plus zero === f
4422	+	Monad.assertFutureEquals(Monad.unit(5L),
4423	+	Monad.plus(Monad.unit(5L), zero));
4424	+	// zero plus f === f
4425	+	Monad.assertFutureEquals(Monad.unit(5L),
4426	+	Monad.plus(zero, Monad.unit(5L)));
4427	+	// zero plus zero === zero
4428	+	Monad.assertZero(Monad.plus(zero, zero));
4429	+	{
4430	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4431	+	Monad.unit(8L));
4432	+	// non-determinism
4433	+	assertTrue(f.get() == 5L \|\| f.get() == 8L);
4434	+	}
4435	+
4436	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4437	+	// f plus godot === f (doesn't wait for godot)
4438	+	Monad.assertFutureEquals(Monad.unit(5L),
4439	+	Monad.plus(Monad.unit(5L), godot));
4440	+	// godot plus f === f (doesn't wait for godot)
4441	+	Monad.assertFutureEquals(Monad.unit(5L),
4442	+	Monad.plus(godot, Monad.unit(5L)));
4443	+	}
4444	+
4445	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4446	+	@SuppressWarnings("FutureReturnValueIgnored")
4447	+	public void testRecursiveChains() throws Throwable {
4448	+	for (ExecutionMode m : ExecutionMode.values())
4449	+	for (boolean addDeadEnds : new boolean[] { true, false })
4450	+	{
4451	+	final int val = 42;
4452	+	final int n = expensiveTests ? 1_000 : 2;
4453	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4454	+	CompletableFuture<Integer> tail = head;
4455	+	for (int i = 0; i < n; i++) {
4456	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4457	+	tail = m.thenApply(tail, v -> v + 1);
4458	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4459	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4460	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4461	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4462	+	}
4463	+	head.complete(val);
4464	+	assertEquals(val + 3 * n, (int) tail.join());
4465	+	}}
4466	+
4467	+	/**
4468	+	* A single CompletableFuture with many dependents.
4469	+	* A demo of scalability - runtime is O(n).
4470	+	*/
4471	+	@SuppressWarnings("FutureReturnValueIgnored")
4472	+	public void testManyDependents() throws Throwable {
4473	+	final int n = expensiveTests ? 1_000_000 : 10;
4474	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4475	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4476	+	final AtomicInteger count = new AtomicInteger(0);
4477	+	for (int i = 0; i < n; i++) {
4478	+	head.thenRun(() -> count.getAndIncrement());
4479	+	head.thenAccept(x -> count.getAndIncrement());
4480	+	head.thenApply(x -> count.getAndIncrement());
4481	+
4482	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4483	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4484	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4485	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4486	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4487	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4488	+
4489	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4490	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4491	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4492	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4493	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4494	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4495	+	}
4496	+	head.complete(null);
4497	+	assertEquals(5 * 3 * n, count.get());
4498	+	}
4499	+
4500	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4501	+	@SuppressWarnings("FutureReturnValueIgnored")
4502	+	public void testCoCompletionGarbageRetention() throws Throwable {
4503	+	final int n = expensiveTests ? 1_000_000 : 10;
4504	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4505	+	CompletableFuture<Integer> f;
4506	+	for (int i = 0; i < n; i++) {
4507	+	f = new CompletableFuture<>();
4508	+	f.runAfterEither(incomplete, () -> {});
4509	+	f.complete(null);
4510	+
4511	+	f = new CompletableFuture<>();
4512	+	f.acceptEither(incomplete, x -> {});
4513	+	f.complete(null);
4514	+
4515	+	f = new CompletableFuture<>();
4516	+	f.applyToEither(incomplete, x -> x);
4517	+	f.complete(null);
4518	+
4519	+	f = new CompletableFuture<>();
4520	+	CompletableFuture.anyOf(f, incomplete);
4521	+	f.complete(null);
4522	+	}
4523	+
4524	+	for (int i = 0; i < n; i++) {
4525	+	f = new CompletableFuture<>();
4526	+	incomplete.runAfterEither(f, () -> {});
4527	+	f.complete(null);
4528	+
4529	+	f = new CompletableFuture<>();
4530	+	incomplete.acceptEither(f, x -> {});
4531	+	f.complete(null);
4532	+
4533	+	f = new CompletableFuture<>();
4534	+	incomplete.applyToEither(f, x -> x);
4535	+	f.complete(null);
4536	+
4537	+	f = new CompletableFuture<>();
4538	+	CompletableFuture.anyOf(incomplete, f);
4539	+	f.complete(null);
4540	+	}
4541	+	}
4542	+
4543	+	/**
4544	+	* Reproduction recipe for:
4545	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4546	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4547	+	*/
4548	+	public void testAnyOfGarbageRetention() throws Throwable {
4549	+	for (Integer v : new Integer[] { 1, null })
4550	+	{
4551	+	final int n = expensiveTests ? 100_000 : 10;
4552	+	CompletableFuture<Integer>[] fs
4553	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4554	+	for (int i = 0; i < fs.length; i++)
4555	+	fs[i] = new CompletableFuture<>();
4556	+	fs[fs.length - 1].complete(v);
4557	+	for (int i = 0; i < n; i++)
4558	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4559	+	}}
4560	+
4561	+	/**
4562	+	* Checks for garbage retention with allOf.
4563	+	*
4564	+	* As of 2016-07, fails with OOME:
4565	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4566	+	*/
4567	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4568	+	final int n = expensiveTests ? 100_000 : 10;
4569	+	CompletableFuture<Integer>[] fs
4570	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4571	+	for (int i = 0; i < fs.length; i++)
4572	+	fs[i] = new CompletableFuture<>();
4573	+	for (int i = 0; i < n; i++)
4574	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4575	+	}
4576	+
4577	+	/**
4578	+	* Checks for garbage retention when a dependent future is
4579	+	* cancelled and garbage-collected.
4580	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4581	+	*
4582	+	* As of 2016-07, fails with OOME:
4583	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4584	+	*/
4585	+	public void testCancelledGarbageRetention() throws Throwable {
4586	+	final int n = expensiveTests ? 100_000 : 10;
4587	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4588	+	for (int i = 0; i < n; i++)
4589	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4590	+	}
4591	+
4592	+	/**
4593	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4594	+	* is invoked many times.
4595	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4596	+	*
4597	+	* As of 2016-07, fails with OOME:
4598	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4599	+	*/
4600	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4601	+	final int n = expensiveTests ? 900_000 : 10;
4602	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4603	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4604	+	for (int i = 0; i < n; i++)
4605	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4606	+	}
4607	+
4608	+	// static <U> U join(CompletionStage<U> stage) {
4609	+	// CompletableFuture<U> f = new CompletableFuture<>();
4610	+	// stage.whenComplete((v, ex) -> {
4611	+	// if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4612	+	// });
4613	+	// return f.join();
4614	+	// }
4615	+
4616	+	// static <U> boolean isDone(CompletionStage<U> stage) {
4617	+	// CompletableFuture<U> f = new CompletableFuture<>();
4618	+	// stage.whenComplete((v, ex) -> {
4619	+	// if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4620	+	// });
4621	+	// return f.isDone();
4622	+	// }
4623	+
4624	+	// static <U> U join2(CompletionStage<U> stage) {
4625	+	// return stage.toCompletableFuture().copy().join();
4626	+	// }
4627	+
4628	+	// static <U> boolean isDone2(CompletionStage<U> stage) {
4629	+	// return stage.toCompletableFuture().copy().isDone();
4630	+	// }
4631	+
4632	+	// For testing default implementations
4633	+	// Only non-default interface methods defined.
4634	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4635	+	final CompletableFuture<T> cf;
4636	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4637	+	public CompletableFuture<T> toCompletableFuture() {
4638	+	return cf; }
4639	+	public CompletionStage<Void> thenRun
4640	+	(Runnable action) {
4641	+	return cf.thenRun(action); }
4642	+	public CompletionStage<Void> thenRunAsync
4643	+	(Runnable action) {
4644	+	return cf.thenRunAsync(action); }
4645	+	public CompletionStage<Void> thenRunAsync
4646	+	(Runnable action,
4647	+	Executor executor) {
4648	+	return cf.thenRunAsync(action, executor); }
4649	+	public CompletionStage<Void> thenAccept
4650	+	(Consumer<? super T> action) {
4651	+	return cf.thenAccept(action); }
4652	+	public CompletionStage<Void> thenAcceptAsync
4653	+	(Consumer<? super T> action) {
4654	+	return cf.thenAcceptAsync(action); }
4655	+	public CompletionStage<Void> thenAcceptAsync
4656	+	(Consumer<? super T> action,
4657	+	Executor executor) {
4658	+	return cf.thenAcceptAsync(action, executor); }
4659	+	public <U> CompletionStage<U> thenApply
4660	+	(Function<? super T,? extends U> a) {
4661	+	return cf.thenApply(a); }
4662	+	public <U> CompletionStage<U> thenApplyAsync
4663	+	(Function<? super T,? extends U> fn) {
4664	+	return cf.thenApplyAsync(fn); }
4665	+	public <U> CompletionStage<U> thenApplyAsync
4666	+	(Function<? super T,? extends U> fn,
4667	+	Executor executor) {
4668	+	return cf.thenApplyAsync(fn, executor); }
4669	+	public <U,V> CompletionStage<V> thenCombine
4670	+	(CompletionStage<? extends U> other,
4671	+	BiFunction<? super T,? super U,? extends V> fn) {
4672	+	return cf.thenCombine(other, fn); }
4673	+	public <U,V> CompletionStage<V> thenCombineAsync
4674	+	(CompletionStage<? extends U> other,
4675	+	BiFunction<? super T,? super U,? extends V> fn) {
4676	+	return cf.thenCombineAsync(other, fn); }
4677	+	public <U,V> CompletionStage<V> thenCombineAsync
4678	+	(CompletionStage<? extends U> other,
4679	+	BiFunction<? super T,? super U,? extends V> fn,
4680	+	Executor executor) {
4681	+	return cf.thenCombineAsync(other, fn, executor); }
4682	+	public <U> CompletionStage<Void> thenAcceptBoth
4683	+	(CompletionStage<? extends U> other,
4684	+	BiConsumer<? super T, ? super U> action) {
4685	+	return cf.thenAcceptBoth(other, action); }
4686	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4687	+	(CompletionStage<? extends U> other,
4688	+	BiConsumer<? super T, ? super U> action) {
4689	+	return cf.thenAcceptBothAsync(other, action); }
4690	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4691	+	(CompletionStage<? extends U> other,
4692	+	BiConsumer<? super T, ? super U> action,
4693	+	Executor executor) {
4694	+	return cf.thenAcceptBothAsync(other, action, executor); }
4695	+	public CompletionStage<Void> runAfterBoth
4696	+	(CompletionStage<?> other,
4697	+	Runnable action) {
4698	+	return cf.runAfterBoth(other, action); }
4699	+	public CompletionStage<Void> runAfterBothAsync
4700	+	(CompletionStage<?> other,
4701	+	Runnable action) {
4702	+	return cf.runAfterBothAsync(other, action); }
4703	+	public CompletionStage<Void> runAfterBothAsync
4704	+	(CompletionStage<?> other,
4705	+	Runnable action,
4706	+	Executor executor) {
4707	+	return cf.runAfterBothAsync(other, action, executor); }
4708	+	public <U> CompletionStage<U> applyToEither
4709	+	(CompletionStage<? extends T> other,
4710	+	Function<? super T, U> fn) {
4711	+	return cf.applyToEither(other, fn); }
4712	+	public <U> CompletionStage<U> applyToEitherAsync
4713	+	(CompletionStage<? extends T> other,
4714	+	Function<? super T, U> fn) {
4715	+	return cf.applyToEitherAsync(other, fn); }
4716	+	public <U> CompletionStage<U> applyToEitherAsync
4717	+	(CompletionStage<? extends T> other,
4718	+	Function<? super T, U> fn,
4719	+	Executor executor) {
4720	+	return cf.applyToEitherAsync(other, fn, executor); }
4721	+	public CompletionStage<Void> acceptEither
4722	+	(CompletionStage<? extends T> other,
4723	+	Consumer<? super T> action) {
4724	+	return cf.acceptEither(other, action); }
4725	+	public CompletionStage<Void> acceptEitherAsync
4726	+	(CompletionStage<? extends T> other,
4727	+	Consumer<? super T> action) {
4728	+	return cf.acceptEitherAsync(other, action); }
4729	+	public CompletionStage<Void> acceptEitherAsync
4730	+	(CompletionStage<? extends T> other,
4731	+	Consumer<? super T> action,
4732	+	Executor executor) {
4733	+	return cf.acceptEitherAsync(other, action, executor); }
4734	+	public CompletionStage<Void> runAfterEither
4735	+	(CompletionStage<?> other,
4736	+	Runnable action) {
4737	+	return cf.runAfterEither(other, action); }
4738	+	public CompletionStage<Void> runAfterEitherAsync
4739	+	(CompletionStage<?> other,
4740	+	Runnable action) {
4741	+	return cf.runAfterEitherAsync(other, action); }
4742	+	public CompletionStage<Void> runAfterEitherAsync
4743	+	(CompletionStage<?> other,
4744	+	Runnable action,
4745	+	Executor executor) {
4746	+	return cf.runAfterEitherAsync(other, action, executor); }
4747	+	public <U> CompletionStage<U> thenCompose
4748	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4749	+	return cf.thenCompose(fn); }
4750	+	public <U> CompletionStage<U> thenComposeAsync
4751	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4752	+	return cf.thenComposeAsync(fn); }
4753	+	public <U> CompletionStage<U> thenComposeAsync
4754	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4755	+	Executor executor) {
4756	+	return cf.thenComposeAsync(fn, executor); }
4757	+	public <U> CompletionStage<U> handle
4758	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4759	+	return cf.handle(fn); }
4760	+	public <U> CompletionStage<U> handleAsync
4761	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4762	+	return cf.handleAsync(fn); }
4763	+	public <U> CompletionStage<U> handleAsync
4764	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4765	+	Executor executor) {
4766	+	return cf.handleAsync(fn, executor); }
4767	+	public CompletionStage<T> whenComplete
4768	+	(BiConsumer<? super T, ? super Throwable> action) {
4769	+	return cf.whenComplete(action); }
4770	+	public CompletionStage<T> whenCompleteAsync
4771	+	(BiConsumer<? super T, ? super Throwable> action) {
4772	+	return cf.whenCompleteAsync(action); }
4773	+	public CompletionStage<T> whenCompleteAsync
4774	+	(BiConsumer<? super T, ? super Throwable> action,
4775	+	Executor executor) {
4776	+	return cf.whenCompleteAsync(action, executor); }
4777	+	public CompletionStage<T> exceptionally
4778	+	(Function<Throwable, ? extends T> fn) {
4779	+	return cf.exceptionally(fn); }
4780	+	}
4781	+
4782	+	/**
4783	+	* default-implemented exceptionallyAsync action is not invoked when
4784	+	* source completes normally, and source result is propagated
4785	+	*/
4786	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4787	+	for (boolean createIncomplete : new boolean[] { true, false })
4788	+	for (Integer v1 : new Integer[] { 1, null })
4789		{
2813	–	final AtomicInteger a = new AtomicInteger(0);
4790		final CompletableFuture<Integer> f = new CompletableFuture<>();
4791	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4792	<	final CompletableFuture<Integer> g = m.whenComplete
4793	<	(f,
4794	<	(Integer x, Throwable t) -> {
4795	<	threadAssertNull(x);
4796	<	threadAssertTrue(t instanceof CancellationException);
4797	<	a.getAndIncrement();
4791	>	final DelegatedCompletionStage<Integer> d =
4792	>	new DelegatedCompletionStage<Integer>(f);
4793	>	if (!createIncomplete) assertTrue(f.complete(v1));
4794	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4795	>	((Throwable t) -> {
4796	>	threadFail("should not be called");
4797	>	return null; // unreached
4798		});
4799	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4799	>	if (createIncomplete) assertTrue(f.complete(v1));
4800
4801	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	checkCancelled(f);
2828	<	assertEquals(1, a.get());
4801	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4802		}}
4803
4804		/**
4805	<	* If a whenComplete action throws an exception when triggered by
4806	<	* a normal completion, it completes exceptionally
4805	>	* default-implemented exceptionallyAsync action completes with
4806	>	* function value on source exception
4807		*/
4808	<	public void testWhenComplete_actionFailed() {
4808	>	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4809		for (boolean createIncomplete : new boolean[] { true, false })
2837	–	for (ExecutionMode m : ExecutionMode.values())
4810		for (Integer v1 : new Integer[] { 1, null })
4811		{
4812		final AtomicInteger a = new AtomicInteger(0);
4813		final CFException ex = new CFException();
4814		final CompletableFuture<Integer> f = new CompletableFuture<>();
4815	<	if (!createIncomplete) f.complete(v1);
4816	<	final CompletableFuture<Integer> g = m.whenComplete
4817	<	(f,
4818	<	(Integer x, Throwable t) -> {
4819	<	threadAssertSame(x, v1);
4820	<	threadAssertNull(t);
4815	>	final DelegatedCompletionStage<Integer> d =
4816	>	new DelegatedCompletionStage<Integer>(f);
4817	>	if (!createIncomplete) f.completeExceptionally(ex);
4818	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4819	>	((Throwable t) -> {
4820	>	threadAssertSame(t, ex);
4821		a.getAndIncrement();
4822	<	throw ex;
4822	>	return v1;
4823		});
4824	<	if (createIncomplete) f.complete(v1);
4825	<	checkCompletedNormally(f, v1);
4826	<	checkCompletedWithWrappedCFException(g, ex);
4824	>	if (createIncomplete) f.completeExceptionally(ex);
4825	>
4826	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4827		assertEquals(1, a.get());
4828		}}
4829
4830		/**
4831	<	* If a whenComplete action throws an exception when triggered by
4832	<	* a source completion that also throws an exception, the source
4833	<	* exception takes precedence.
4831	>	* Under default implementation, if an "exceptionally action"
4832	>	* throws an exception, it completes exceptionally with that
4833	>	* exception
4834		*/
4835	<	public void testWhenComplete_actionFailedSourceFailed() {
4835	>	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4836		for (boolean createIncomplete : new boolean[] { true, false })
2865	–	for (ExecutionMode m : ExecutionMode.values())
2866	–	for (Integer v1 : new Integer[] { 1, null })
4837		{
4838		final AtomicInteger a = new AtomicInteger(0);
4839		final CFException ex1 = new CFException();
4840		final CFException ex2 = new CFException();
4841		final CompletableFuture<Integer> f = new CompletableFuture<>();
4842	<
4842	>	final DelegatedCompletionStage<Integer> d =
4843	>	new DelegatedCompletionStage<Integer>(f);
4844		if (!createIncomplete) f.completeExceptionally(ex1);
4845	<	final CompletableFuture<Integer> g = m.whenComplete
4846	<	(f,
2876	<	(Integer x, Throwable t) -> {
4845	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4846	>	((Throwable t) -> {
4847		threadAssertSame(t, ex1);
2878	–	threadAssertNull(x);
4848		a.getAndIncrement();
4849		throw ex2;
4850		});
4851		if (createIncomplete) f.completeExceptionally(ex1);
4852
4853	<	checkCompletedWithWrappedCFException(f, ex1);
4854	<	checkCompletedWithWrappedCFException(g, ex1);
4853	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4854	>	checkCompletedExceptionally(f, ex1);
4855	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4856		assertEquals(1, a.get());
4857		}}
4858
4859	+	/**
4860	+	* default exceptionallyCompose result completes normally after normal
4861	+	* completion of source
4862	+	*/
4863	+	public void testDefaultExceptionallyCompose_normalCompletion() {
4864	+	for (boolean createIncomplete : new boolean[] { true, false })
4865	+	for (Integer v1 : new Integer[] { 1, null })
4866	+	{
4867	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4868	+	final ExceptionalCompletableFutureFunction r =
4869	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4870	+	final DelegatedCompletionStage<Integer> d =
4871	+	new DelegatedCompletionStage<Integer>(f);
4872	+	if (!createIncomplete) assertTrue(f.complete(v1));
4873	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4874	+	if (createIncomplete) assertTrue(f.complete(v1));
4875	+
4876	+	checkCompletedNormally(f, v1);
4877	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4878	+	r.assertNotInvoked();
4879	+	}}
4880	+
4881	+	/**
4882	+	* default-implemented exceptionallyCompose result completes
4883	+	* normally after exceptional completion of source
4884	+	*/
4885	+	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4886	+	for (boolean createIncomplete : new boolean[] { true, false })
4887	+	{
4888	+	final CFException ex = new CFException();
4889	+	final ExceptionalCompletableFutureFunction r =
4890	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4891	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4892	+	final DelegatedCompletionStage<Integer> d =
4893	+	new DelegatedCompletionStage<Integer>(f);
4894	+	if (!createIncomplete) f.completeExceptionally(ex);
4895	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4896	+	if (createIncomplete) f.completeExceptionally(ex);
4897	+
4898	+	checkCompletedExceptionally(f, ex);
4899	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4900	+	r.assertInvoked();
4901	+	}}
4902	+
4903	+	/**
4904	+	* default-implemented exceptionallyCompose completes
4905	+	* exceptionally on exception if action does
4906	+	*/
4907	+	public void testDefaultExceptionallyCompose_actionFailed() {
4908	+	for (boolean createIncomplete : new boolean[] { true, false })
4909	+	for (Integer v1 : new Integer[] { 1, null })
4910	+	{
4911	+	final CFException ex = new CFException();
4912	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4913	+	final FailingExceptionalCompletableFutureFunction r
4914	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4915	+	final DelegatedCompletionStage<Integer> d =
4916	+	new DelegatedCompletionStage<Integer>(f);
4917	+	if (!createIncomplete) f.completeExceptionally(ex);
4918	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4919	+	if (createIncomplete) f.completeExceptionally(ex);
4920	+
4921	+	checkCompletedExceptionally(f, ex);
4922	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4923	+	r.assertInvoked();
4924	+	}}
4925	+
4926	+	/**
4927	+	* default exceptionallyComposeAsync result completes normally after normal
4928	+	* completion of source
4929	+	*/
4930	+	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4931	+	for (boolean createIncomplete : new boolean[] { true, false })
4932	+	for (Integer v1 : new Integer[] { 1, null })
4933	+	{
4934	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4935	+	final ExceptionalCompletableFutureFunction r =
4936	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4937	+	final DelegatedCompletionStage<Integer> d =
4938	+	new DelegatedCompletionStage<Integer>(f);
4939	+	if (!createIncomplete) assertTrue(f.complete(v1));
4940	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4941	+	if (createIncomplete) assertTrue(f.complete(v1));
4942	+
4943	+	checkCompletedNormally(f, v1);
4944	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4945	+	r.assertNotInvoked();
4946	+	}}
4947	+
4948	+	/**
4949	+	* default-implemented exceptionallyComposeAsync result completes
4950	+	* normally after exceptional completion of source
4951	+	*/
4952	+	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4953	+	for (boolean createIncomplete : new boolean[] { true, false })
4954	+	{
4955	+	final CFException ex = new CFException();
4956	+	final ExceptionalCompletableFutureFunction r =
4957	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4958	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4959	+	final DelegatedCompletionStage<Integer> d =
4960	+	new DelegatedCompletionStage<Integer>(f);
4961	+	if (!createIncomplete) f.completeExceptionally(ex);
4962	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4963	+	if (createIncomplete) f.completeExceptionally(ex);
4964	+
4965	+	checkCompletedExceptionally(f, ex);
4966	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4967	+	r.assertInvoked();
4968	+	}}
4969	+
4970	+	/**
4971	+	* default-implemented exceptionallyComposeAsync completes
4972	+	* exceptionally on exception if action does
4973	+	*/
4974	+	public void testDefaultExceptionallyComposeAsync_actionFailed() {
4975	+	for (boolean createIncomplete : new boolean[] { true, false })
4976	+	for (Integer v1 : new Integer[] { 1, null })
4977	+	{
4978	+	final CFException ex = new CFException();
4979	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4980	+	final FailingExceptionalCompletableFutureFunction r
4981	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4982	+	final DelegatedCompletionStage<Integer> d =
4983	+	new DelegatedCompletionStage<Integer>(f);
4984	+	if (!createIncomplete) f.completeExceptionally(ex);
4985	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4986	+	if (createIncomplete) f.completeExceptionally(ex);
4987	+
4988	+	checkCompletedExceptionally(f, ex);
4989	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4990	+	r.assertInvoked();
4991	+	}}
4992	+
4993	+
4994	+	/**
4995	+	* default exceptionallyComposeAsync result completes normally after normal
4996	+	* completion of source
4997	+	*/
4998	+	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
4999	+	for (boolean createIncomplete : new boolean[] { true, false })
5000	+	for (Integer v1 : new Integer[] { 1, null })
5001	+	{
5002	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5003	+	final ExceptionalCompletableFutureFunction r =
5004	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5005	+	final DelegatedCompletionStage<Integer> d =
5006	+	new DelegatedCompletionStage<Integer>(f);
5007	+	if (!createIncomplete) assertTrue(f.complete(v1));
5008	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5009	+	if (createIncomplete) assertTrue(f.complete(v1));
5010	+
5011	+	checkCompletedNormally(f, v1);
5012	+	checkCompletedNormally(g.toCompletableFuture(), v1);
5013	+	r.assertNotInvoked();
5014	+	}}
5015	+
5016	+	/**
5017	+	* default-implemented exceptionallyComposeAsync result completes
5018	+	* normally after exceptional completion of source
5019	+	*/
5020	+	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5021	+	for (boolean createIncomplete : new boolean[] { true, false })
5022	+	{
5023	+	final CFException ex = new CFException();
5024	+	final ExceptionalCompletableFutureFunction r =
5025	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5026	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5027	+	final DelegatedCompletionStage<Integer> d =
5028	+	new DelegatedCompletionStage<Integer>(f);
5029	+	if (!createIncomplete) f.completeExceptionally(ex);
5030	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5031	+	if (createIncomplete) f.completeExceptionally(ex);
5032	+
5033	+	checkCompletedExceptionally(f, ex);
5034	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5035	+	r.assertInvoked();
5036	+	}}
5037	+
5038	+	/**
5039	+	* default-implemented exceptionallyComposeAsync completes
5040	+	* exceptionally on exception if action does
5041	+	*/
5042	+	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5043	+	for (boolean createIncomplete : new boolean[] { true, false })
5044	+	for (Integer v1 : new Integer[] { 1, null })
5045	+	{
5046	+	final CFException ex = new CFException();
5047	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5048	+	final FailingExceptionalCompletableFutureFunction r
5049	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5050	+	final DelegatedCompletionStage<Integer> d =
5051	+	new DelegatedCompletionStage<Integer>(f);
5052	+	if (!createIncomplete) f.completeExceptionally(ex);
5053	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5054	+	if (createIncomplete) f.completeExceptionally(ex);
5055	+
5056	+	checkCompletedExceptionally(f, ex);
5057	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5058	+	r.assertInvoked();
5059	+	}}
5060	+
5061		}

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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 1.206 by jsr166, Sun Sep 23 02:04:03 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 1.206 by jsr166, Sun Sep 23 02:04:03 2018 UTC