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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.69 by jsr166, Fri Jun 6 19:39:50 2014 UTC vs.
Revision 1.221 by jsr166, Fri Feb 22 19:27:47 2019 UTC

#	Line 5 \| Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31		import java.util.concurrent.ForkJoinPool;
32		import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
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<>();
555	<	f.complete(inc(x));
556	<	return f;
554	>	return CompletableFuture.completedFuture(inc(x));
555	>	}
556	>	}
557	>
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	<	class FailingCompletableFutureFunction extends CheckedIntegerAction
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);
929	>	final AtomicInteger ran = 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) -> {
934	<	// Should not be called
935	<	a.getAndIncrement();
802	<	throw new AssertionError();
931	>	if (!createIncomplete) assertTrue(f.complete(v1));
932	>	final CompletableFuture<Integer> g = m.exceptionally
933	>	(f, (Throwable t) -> {
934	>	ran.getAndIncrement();
935	>	throw new AssertionError("should not be called");
936		});
937	<	if (createIncomplete) f.complete(v1);
937	>	if (createIncomplete) assertTrue(f.complete(v1));
938
939		checkCompletedNormally(g, v1);
940		checkCompletedNormally(f, v1);
941	<	assertEquals(0, a.get());
941	>	assertEquals(0, ran.get());
942		}}
943
811	–
944		/**
945		* exceptionally action completes with function value on source
946		* exception
947		*/
948		public void testExceptionally_exceptionalCompletion() {
949	+	for (ExecutionMode m : ExecutionMode.values())
950		for (boolean createIncomplete : new boolean[] { true, false })
951		for (Integer v1 : new Integer[] { 1, null })
952		{
953	<	final AtomicInteger a = new AtomicInteger(0);
953	>	final AtomicInteger ran = new AtomicInteger(0);
954		final CFException ex = new CFException();
955		final CompletableFuture<Integer> f = new CompletableFuture<>();
956		if (!createIncomplete) f.completeExceptionally(ex);
957	<	final CompletableFuture<Integer> g = f.exceptionally
958	<	((Throwable t) -> {
959	<	ExecutionMode.DEFAULT.checkExecutionMode();
960	<	threadAssertSame(t, ex);
961	<	a.getAndIncrement();
957	>	final CompletableFuture<Integer> g = m.exceptionally
958	>	(f, (Throwable t) -> {
959	>	m.checkExecutionMode();
960	>	assertSame(t, ex);
961	>	ran.getAndIncrement();
962		return v1;
963		});
964		if (createIncomplete) f.completeExceptionally(ex);
965
966		checkCompletedNormally(g, v1);
967	<	assertEquals(1, a.get());
967	>	assertEquals(1, ran.get());
968		}}
969
970	+	/**
971	+	* If an "exceptionally action" throws an exception, it completes
972	+	* exceptionally with that exception
973	+	*/
974		public void testExceptionally_exceptionalCompletionActionFailed() {
975	+	for (ExecutionMode m : ExecutionMode.values())
976	+	for (boolean createIncomplete : new boolean[] { true, false })
977	+	{
978	+	final AtomicInteger ran = new AtomicInteger(0);
979	+	final CFException ex1 = new CFException();
980	+	final CFException ex2 = new CFException();
981	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
982	+	if (!createIncomplete) f.completeExceptionally(ex1);
983	+	final CompletableFuture<Integer> g = m.exceptionally
984	+	(f, (Throwable t) -> {
985	+	m.checkExecutionMode();
986	+	assertSame(t, ex1);
987	+	ran.getAndIncrement();
988	+	throw ex2;
989	+	});
990	+	if (createIncomplete) f.completeExceptionally(ex1);
991	+
992	+	checkCompletedWithWrappedException(g, ex2);
993	+	checkCompletedExceptionally(f, ex1);
994	+	assertEquals(1, ran.get());
995	+	}}
996	+
997	+	/**
998	+	* whenComplete action executes on normal completion, propagating
999	+	* source result.
1000	+	*/
1001	+	public void testWhenComplete_normalCompletion() {
1002	+	for (ExecutionMode m : ExecutionMode.values())
1003		for (boolean createIncomplete : new boolean[] { true, false })
1004		for (Integer v1 : new Integer[] { 1, null })
1005		{
1006	<	final AtomicInteger a = new AtomicInteger(0);
1006	>	final AtomicInteger ran = new AtomicInteger(0);
1007	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1008	>	if (!createIncomplete) assertTrue(f.complete(v1));
1009	>	final CompletableFuture<Integer> g = m.whenComplete
1010	>	(f,
1011	>	(Integer result, Throwable t) -> {
1012	>	m.checkExecutionMode();
1013	>	assertSame(result, v1);
1014	>	assertNull(t);
1015	>	ran.getAndIncrement();
1016	>	});
1017	>	if (createIncomplete) assertTrue(f.complete(v1));
1018	>
1019	>	checkCompletedNormally(g, v1);
1020	>	checkCompletedNormally(f, v1);
1021	>	assertEquals(1, ran.get());
1022	>	}}
1023	>
1024	>	/**
1025	>	* whenComplete action executes on exceptional completion, propagating
1026	>	* source result.
1027	>	*/
1028	>	public void testWhenComplete_exceptionalCompletion() {
1029	>	for (ExecutionMode m : ExecutionMode.values())
1030	>	for (boolean createIncomplete : new boolean[] { true, false })
1031	>	{
1032	>	final AtomicInteger ran = new AtomicInteger(0);
1033	>	final CFException ex = new CFException();
1034	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1035	>	if (!createIncomplete) f.completeExceptionally(ex);
1036	>	final CompletableFuture<Integer> g = m.whenComplete
1037	>	(f,
1038	>	(Integer result, Throwable t) -> {
1039	>	m.checkExecutionMode();
1040	>	assertNull(result);
1041	>	assertSame(t, ex);
1042	>	ran.getAndIncrement();
1043	>	});
1044	>	if (createIncomplete) f.completeExceptionally(ex);
1045	>
1046	>	checkCompletedWithWrappedException(g, ex);
1047	>	checkCompletedExceptionally(f, ex);
1048	>	assertEquals(1, ran.get());
1049	>	}}
1050	>
1051	>	/**
1052	>	* whenComplete action executes on cancelled source, propagating
1053	>	* CancellationException.
1054	>	*/
1055	>	public void testWhenComplete_sourceCancelled() {
1056	>	for (ExecutionMode m : ExecutionMode.values())
1057	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1058	>	for (boolean createIncomplete : new boolean[] { true, false })
1059	>	{
1060	>	final AtomicInteger ran = new AtomicInteger(0);
1061	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1062	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1063	>	final CompletableFuture<Integer> g = m.whenComplete
1064	>	(f,
1065	>	(Integer result, Throwable t) -> {
1066	>	m.checkExecutionMode();
1067	>	assertNull(result);
1068	>	assertTrue(t instanceof CancellationException);
1069	>	ran.getAndIncrement();
1070	>	});
1071	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1072	>
1073	>	checkCompletedWithWrappedCancellationException(g);
1074	>	checkCancelled(f);
1075	>	assertEquals(1, ran.get());
1076	>	}}
1077	>
1078	>	/**
1079	>	* If a whenComplete action throws an exception when triggered by
1080	>	* a normal completion, it completes exceptionally
1081	>	*/
1082	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1083	>	for (boolean createIncomplete : new boolean[] { true, false })
1084	>	for (ExecutionMode m : ExecutionMode.values())
1085	>	for (Integer v1 : new Integer[] { 1, null })
1086	>	{
1087	>	final AtomicInteger ran = new AtomicInteger(0);
1088	>	final CFException ex = new CFException();
1089	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1090	>	if (!createIncomplete) assertTrue(f.complete(v1));
1091	>	final CompletableFuture<Integer> g = m.whenComplete
1092	>	(f,
1093	>	(Integer result, Throwable t) -> {
1094	>	m.checkExecutionMode();
1095	>	assertSame(result, v1);
1096	>	assertNull(t);
1097	>	ran.getAndIncrement();
1098	>	throw ex;
1099	>	});
1100	>	if (createIncomplete) assertTrue(f.complete(v1));
1101	>
1102	>	checkCompletedWithWrappedException(g, ex);
1103	>	checkCompletedNormally(f, v1);
1104	>	assertEquals(1, ran.get());
1105	>	}}
1106	>
1107	>	/**
1108	>	* If a whenComplete action throws an exception when triggered by
1109	>	* a source completion that also throws an exception, the source
1110	>	* exception takes precedence (unlike handle)
1111	>	*/
1112	>	public void testWhenComplete_sourceFailedActionFailed() {
1113	>	for (boolean createIncomplete : new boolean[] { true, false })
1114	>	for (ExecutionMode m : ExecutionMode.values())
1115	>	{
1116	>	final AtomicInteger ran = new AtomicInteger(0);
1117		final CFException ex1 = new CFException();
1118		final CFException ex2 = new CFException();
1119		final CompletableFuture<Integer> f = new CompletableFuture<>();
1120	+
1121		if (!createIncomplete) f.completeExceptionally(ex1);
1122	<	final CompletableFuture<Integer> g = f.exceptionally
1123	<	((Throwable t) -> {
1124	<	ExecutionMode.DEFAULT.checkExecutionMode();
1125	<	threadAssertSame(t, ex1);
1126	<	a.getAndIncrement();
1122	>	final CompletableFuture<Integer> g = m.whenComplete
1123	>	(f,
1124	>	(Integer result, Throwable t) -> {
1125	>	m.checkExecutionMode();
1126	>	assertSame(t, ex1);
1127	>	assertNull(result);
1128	>	ran.getAndIncrement();
1129		throw ex2;
1130		});
1131		if (createIncomplete) f.completeExceptionally(ex1);
1132
1133	<	checkCompletedWithWrappedCFException(g, ex2);
1134	<	assertEquals(1, a.get());
1133	>	checkCompletedWithWrappedException(g, ex1);
1134	>	checkCompletedExceptionally(f, ex1);
1135	>	if (testImplementationDetails) {
1136	>	assertEquals(1, ex1.getSuppressed().length);
1137	>	assertSame(ex2, ex1.getSuppressed()[0]);
1138	>	}
1139	>	assertEquals(1, ran.get());
1140		}}
1141
1142		/**
#	Line 866 \| Line 1149 \| public class CompletableFutureTest exten
1149		for (Integer v1 : new Integer[] { 1, null })
1150		{
1151		final CompletableFuture<Integer> f = new CompletableFuture<>();
1152	<	final AtomicInteger a = new AtomicInteger(0);
1153	<	if (!createIncomplete) f.complete(v1);
1152	>	final AtomicInteger ran = new AtomicInteger(0);
1153	>	if (!createIncomplete) assertTrue(f.complete(v1));
1154		final CompletableFuture<Integer> g = m.handle
1155		(f,
1156	<	(Integer x, Throwable t) -> {
1156	>	(Integer result, Throwable t) -> {
1157		m.checkExecutionMode();
1158	<	threadAssertSame(x, v1);
1159	<	threadAssertNull(t);
1160	<	a.getAndIncrement();
1158	>	assertSame(result, v1);
1159	>	assertNull(t);
1160	>	ran.getAndIncrement();
1161		return inc(v1);
1162		});
1163	<	if (createIncomplete) f.complete(v1);
1163	>	if (createIncomplete) assertTrue(f.complete(v1));
1164
1165		checkCompletedNormally(g, inc(v1));
1166		checkCompletedNormally(f, v1);
1167	<	assertEquals(1, a.get());
1167	>	assertEquals(1, ran.get());
1168		}}
1169
1170		/**
#	Line 894 \| Line 1177 \| public class CompletableFutureTest exten
1177		for (Integer v1 : new Integer[] { 1, null })
1178		{
1179		final CompletableFuture<Integer> f = new CompletableFuture<>();
1180	<	final AtomicInteger a = new AtomicInteger(0);
1180	>	final AtomicInteger ran = new AtomicInteger(0);
1181		final CFException ex = new CFException();
1182		if (!createIncomplete) f.completeExceptionally(ex);
1183		final CompletableFuture<Integer> g = m.handle
1184		(f,
1185	<	(Integer x, Throwable t) -> {
1185	>	(Integer result, Throwable t) -> {
1186		m.checkExecutionMode();
1187	<	threadAssertNull(x);
1188	<	threadAssertSame(t, ex);
1189	<	a.getAndIncrement();
1187	>	assertNull(result);
1188	>	assertSame(t, ex);
1189	>	ran.getAndIncrement();
1190		return v1;
1191		});
1192		if (createIncomplete) f.completeExceptionally(ex);
1193
1194		checkCompletedNormally(g, v1);
1195	<	checkCompletedWithWrappedCFException(f, ex);
1196	<	assertEquals(1, a.get());
1195	>	checkCompletedExceptionally(f, ex);
1196	>	assertEquals(1, ran.get());
1197		}}
1198
1199		/**
#	Line 924 \| Line 1207 \| public class CompletableFutureTest exten
1207		for (Integer v1 : new Integer[] { 1, null })
1208		{
1209		final CompletableFuture<Integer> f = new CompletableFuture<>();
1210	<	final AtomicInteger a = new AtomicInteger(0);
1210	>	final AtomicInteger ran = new AtomicInteger(0);
1211		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1212		final CompletableFuture<Integer> g = m.handle
1213		(f,
1214	<	(Integer x, Throwable t) -> {
1214	>	(Integer result, Throwable t) -> {
1215		m.checkExecutionMode();
1216	<	threadAssertNull(x);
1217	<	threadAssertTrue(t instanceof CancellationException);
1218	<	a.getAndIncrement();
1216	>	assertNull(result);
1217	>	assertTrue(t instanceof CancellationException);
1218	>	ran.getAndIncrement();
1219		return v1;
1220		});
1221		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1222
1223		checkCompletedNormally(g, v1);
1224		checkCancelled(f);
1225	<	assertEquals(1, a.get());
1225	>	assertEquals(1, ran.get());
1226		}}
1227
1228		/**
1229	<	* handle result completes exceptionally if action does
1229	>	* If a "handle action" throws an exception when triggered by
1230	>	* a normal completion, it completes exceptionally
1231		*/
1232	<	public void testHandle_sourceFailedActionFailed() {
1232	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1233		for (ExecutionMode m : ExecutionMode.values())
1234		for (boolean createIncomplete : new boolean[] { true, false })
1235	+	for (Integer v1 : new Integer[] { 1, null })
1236		{
1237		final CompletableFuture<Integer> f = new CompletableFuture<>();
1238	<	final AtomicInteger a = new AtomicInteger(0);
1239	<	final CFException ex1 = new CFException();
1240	<	final CFException ex2 = new CFException();
956	<	if (!createIncomplete) f.completeExceptionally(ex1);
1238	>	final AtomicInteger ran = new AtomicInteger(0);
1239	>	final CFException ex = new CFException();
1240	>	if (!createIncomplete) assertTrue(f.complete(v1));
1241		final CompletableFuture<Integer> g = m.handle
1242		(f,
1243	<	(Integer x, Throwable t) -> {
1243	>	(Integer result, Throwable t) -> {
1244		m.checkExecutionMode();
1245	<	threadAssertNull(x);
1246	<	threadAssertSame(ex1, t);
1247	<	a.getAndIncrement();
1248	<	throw ex2;
1245	>	assertSame(result, v1);
1246	>	assertNull(t);
1247	>	ran.getAndIncrement();
1248	>	throw ex;
1249		});
1250	<	if (createIncomplete) f.completeExceptionally(ex1);
1250	>	if (createIncomplete) assertTrue(f.complete(v1));
1251
1252	<	checkCompletedWithWrappedCFException(g, ex2);
1253	<	checkCompletedWithWrappedCFException(f, ex1);
1254	<	assertEquals(1, a.get());
1252	>	checkCompletedWithWrappedException(g, ex);
1253	>	checkCompletedNormally(f, v1);
1254	>	assertEquals(1, ran.get());
1255		}}
1256
1257	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1258	<	for (ExecutionMode m : ExecutionMode.values())
1257	>	/**
1258	>	* If a "handle action" throws an exception when triggered by
1259	>	* a source completion that also throws an exception, the action
1260	>	* exception takes precedence (unlike whenComplete)
1261	>	*/
1262	>	public void testHandle_sourceFailedActionFailed() {
1263		for (boolean createIncomplete : new boolean[] { true, false })
1264	<	for (Integer v1 : new Integer[] { 1, null })
1264	>	for (ExecutionMode m : ExecutionMode.values())
1265		{
1266	+	final AtomicInteger ran = new AtomicInteger(0);
1267	+	final CFException ex1 = new CFException();
1268	+	final CFException ex2 = new CFException();
1269		final CompletableFuture<Integer> f = new CompletableFuture<>();
1270	<	final AtomicInteger a = new AtomicInteger(0);
1271	<	final CFException ex = new CFException();
981	<	if (!createIncomplete) f.complete(v1);
1270	>
1271	>	if (!createIncomplete) f.completeExceptionally(ex1);
1272		final CompletableFuture<Integer> g = m.handle
1273		(f,
1274	<	(Integer x, Throwable t) -> {
1274	>	(Integer result, Throwable t) -> {
1275		m.checkExecutionMode();
1276	<	threadAssertSame(x, v1);
1277	<	threadAssertNull(t);
1278	<	a.getAndIncrement();
1279	<	throw ex;
1276	>	assertNull(result);
1277	>	assertSame(ex1, t);
1278	>	ran.getAndIncrement();
1279	>	throw ex2;
1280		});
1281	<	if (createIncomplete) f.complete(v1);
1281	>	if (createIncomplete) f.completeExceptionally(ex1);
1282
1283	<	checkCompletedWithWrappedCFException(g, ex);
1284	<	checkCompletedNormally(f, v1);
1285	<	assertEquals(1, a.get());
1283	>	checkCompletedWithWrappedException(g, ex2);
1284	>	checkCompletedExceptionally(f, ex1);
1285	>	assertEquals(1, ran.get());
1286		}}
1287
1288		/**
#	Line 1024 \| Line 1314 \| public class CompletableFutureTest exten
1314		{
1315		final FailingRunnable r = new FailingRunnable(m);
1316		final CompletableFuture<Void> f = m.runAsync(r);
1317	<	checkCompletedWithWrappedCFException(f);
1317	>	checkCompletedWithWrappedException(f, r.ex);
1318		r.assertInvoked();
1319		}}
1320
1321	+	@SuppressWarnings("FutureReturnValueIgnored")
1322	+	public void testRunAsync_rejectingExecutor() {
1323	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1324	+	try {
1325	+	CompletableFuture.runAsync(() -> {}, e);
1326	+	shouldThrow();
1327	+	} catch (Throwable t) {
1328	+	assertSame(e.ex, t);
1329	+	}
1330	+
1331	+	assertEquals(1, e.count.get());
1332	+	}
1333	+
1334		/**
1335		* supplyAsync completes with result of supplier
1336		*/
#	Line 1058 \| Line 1361 \| public class CompletableFutureTest exten
1361		{
1362		FailingSupplier r = new FailingSupplier(m);
1363		CompletableFuture<Integer> f = m.supplyAsync(r);
1364	<	checkCompletedWithWrappedCFException(f);
1364	>	checkCompletedWithWrappedException(f, r.ex);
1365		r.assertInvoked();
1366		}}
1367
1368	+	@SuppressWarnings("FutureReturnValueIgnored")
1369	+	public void testSupplyAsync_rejectingExecutor() {
1370	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1371	+	try {
1372	+	CompletableFuture.supplyAsync(() -> null, e);
1373	+	shouldThrow();
1374	+	} catch (Throwable t) {
1375	+	assertSame(e.ex, t);
1376	+	}
1377	+
1378	+	assertEquals(1, e.count.get());
1379	+	}
1380	+
1381		// seq completion methods
1382
1383		/**
#	Line 1069 \| Line 1385 \| public class CompletableFutureTest exten
1385		*/
1386		public void testThenRun_normalCompletion() {
1387		for (ExecutionMode m : ExecutionMode.values())
1072	–	for (boolean createIncomplete : new boolean[] { true, false })
1388		for (Integer v1 : new Integer[] { 1, null })
1389		{
1390		final CompletableFuture<Integer> f = new CompletableFuture<>();
1391	<	final Noop r = new Noop(m);
1392	<	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	<	}
1391	>	final Noop[] rs = new Noop[6];
1392	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1393
1394	<	checkCompletedNormally(g, null);
1394	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1395	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1396	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1397	>	checkIncomplete(h0);
1398	>	checkIncomplete(h1);
1399	>	checkIncomplete(h2);
1400	>	assertTrue(f.complete(v1));
1401	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1402	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1403	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1404	>
1405	>	checkCompletedNormally(h0, null);
1406	>	checkCompletedNormally(h1, null);
1407	>	checkCompletedNormally(h2, null);
1408	>	checkCompletedNormally(h3, null);
1409	>	checkCompletedNormally(h4, null);
1410	>	checkCompletedNormally(h5, null);
1411		checkCompletedNormally(f, v1);
1412	<	r.assertInvoked();
1412	>	for (Noop r : rs) r.assertInvoked();
1413		}}
1414
1415		/**
#	Line 1092 \| Line 1418 \| public class CompletableFutureTest exten
1418		*/
1419		public void testThenRun_exceptionalCompletion() {
1420		for (ExecutionMode m : ExecutionMode.values())
1095	–	for (boolean createIncomplete : new boolean[] { true, false })
1421		{
1422		final CFException ex = new CFException();
1423		final CompletableFuture<Integer> f = new CompletableFuture<>();
1424	<	final Noop r = new Noop(m);
1425	<	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	<	}
1424	>	final Noop[] rs = new Noop[6];
1425	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1426
1427	<	checkCompletedWithWrappedCFException(g, ex);
1428	<	checkCompletedWithWrappedCFException(f, ex);
1429	<	r.assertNotInvoked();
1427	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1428	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1429	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1430	>	checkIncomplete(h0);
1431	>	checkIncomplete(h1);
1432	>	checkIncomplete(h2);
1433	>	assertTrue(f.completeExceptionally(ex));
1434	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1435	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1436	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1437	>
1438	>	checkCompletedWithWrappedException(h0, ex);
1439	>	checkCompletedWithWrappedException(h1, ex);
1440	>	checkCompletedWithWrappedException(h2, ex);
1441	>	checkCompletedWithWrappedException(h3, ex);
1442	>	checkCompletedWithWrappedException(h4, ex);
1443	>	checkCompletedWithWrappedException(h5, ex);
1444	>	checkCompletedExceptionally(f, ex);
1445	>	for (Noop r : rs) r.assertNotInvoked();
1446		}}
1447
1448		/**
#	Line 1114 \| Line 1450 \| public class CompletableFutureTest exten
1450		*/
1451		public void testThenRun_sourceCancelled() {
1452		for (ExecutionMode m : ExecutionMode.values())
1117	–	for (boolean createIncomplete : new boolean[] { true, false })
1453		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1454		{
1455		final CompletableFuture<Integer> f = new CompletableFuture<>();
1456	<	final Noop r = new Noop(m);
1457	<	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	<	}
1456	>	final Noop[] rs = new Noop[6];
1457	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1458
1459	<	checkCompletedWithWrappedCancellationException(g);
1459	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1460	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1461	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1462	>	checkIncomplete(h0);
1463	>	checkIncomplete(h1);
1464	>	checkIncomplete(h2);
1465	>	assertTrue(f.cancel(mayInterruptIfRunning));
1466	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1467	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1468	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1469	>
1470	>	checkCompletedWithWrappedCancellationException(h0);
1471	>	checkCompletedWithWrappedCancellationException(h1);
1472	>	checkCompletedWithWrappedCancellationException(h2);
1473	>	checkCompletedWithWrappedCancellationException(h3);
1474	>	checkCompletedWithWrappedCancellationException(h4);
1475	>	checkCompletedWithWrappedCancellationException(h5);
1476		checkCancelled(f);
1477	<	r.assertNotInvoked();
1477	>	for (Noop r : rs) r.assertNotInvoked();
1478		}}
1479
1480		/**
#	Line 1136 \| Line 1482 \| public class CompletableFutureTest exten
1482		*/
1483		public void testThenRun_actionFailed() {
1484		for (ExecutionMode m : ExecutionMode.values())
1139	–	for (boolean createIncomplete : new boolean[] { true, false })
1485		for (Integer v1 : new Integer[] { 1, null })
1486		{
1487		final CompletableFuture<Integer> f = new CompletableFuture<>();
1488	<	final FailingRunnable r = new FailingRunnable(m);
1489	<	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	<	}
1488	>	final FailingRunnable[] rs = new FailingRunnable[6];
1489	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1490
1491	<	checkCompletedWithWrappedCFException(g);
1491	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1492	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1493	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1494	>	assertTrue(f.complete(v1));
1495	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1496	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1497	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1498	>
1499	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1500	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1501	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1502	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1503	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1504	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1505		checkCompletedNormally(f, v1);
1506		}}
1507
#	Line 1157 \| Line 1510 \| public class CompletableFutureTest exten
1510		*/
1511		public void testThenApply_normalCompletion() {
1512		for (ExecutionMode m : ExecutionMode.values())
1160	–	for (boolean createIncomplete : new boolean[] { true, false })
1513		for (Integer v1 : new Integer[] { 1, null })
1514		{
1515		final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	<	final IncFunction r = new IncFunction(m);
1517	<	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	<	}
1516	>	final IncFunction[] rs = new IncFunction[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1518
1519	<	checkCompletedNormally(g, inc(v1));
1519	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1520	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1521	>	checkIncomplete(h0);
1522	>	checkIncomplete(h1);
1523	>	assertTrue(f.complete(v1));
1524	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1525	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1526	>
1527	>	checkCompletedNormally(h0, inc(v1));
1528	>	checkCompletedNormally(h1, inc(v1));
1529	>	checkCompletedNormally(h2, inc(v1));
1530	>	checkCompletedNormally(h3, inc(v1));
1531		checkCompletedNormally(f, v1);
1532	<	r.assertInvoked();
1532	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1533		}}
1534
1535		/**
#	Line 1180 \| Line 1538 \| public class CompletableFutureTest exten
1538		*/
1539		public void testThenApply_exceptionalCompletion() {
1540		for (ExecutionMode m : ExecutionMode.values())
1183	–	for (boolean createIncomplete : new boolean[] { true, false })
1541		{
1542		final CFException ex = new CFException();
1543		final CompletableFuture<Integer> f = new CompletableFuture<>();
1544	<	final IncFunction r = new IncFunction(m);
1545	<	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	<	}
1544	>	final IncFunction[] rs = new IncFunction[4];
1545	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1546
1547	<	checkCompletedWithWrappedCFException(g, ex);
1548	<	checkCompletedWithWrappedCFException(f, ex);
1549	<	r.assertNotInvoked();
1547	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1548	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1549	>	assertTrue(f.completeExceptionally(ex));
1550	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1551	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1552	>
1553	>	checkCompletedWithWrappedException(h0, ex);
1554	>	checkCompletedWithWrappedException(h1, ex);
1555	>	checkCompletedWithWrappedException(h2, ex);
1556	>	checkCompletedWithWrappedException(h3, ex);
1557	>	checkCompletedExceptionally(f, ex);
1558	>	for (IncFunction r : rs) r.assertNotInvoked();
1559		}}
1560
1561		/**
#	Line 1202 \| Line 1563 \| public class CompletableFutureTest exten
1563		*/
1564		public void testThenApply_sourceCancelled() {
1565		for (ExecutionMode m : ExecutionMode.values())
1205	–	for (boolean createIncomplete : new boolean[] { true, false })
1566		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1567		{
1568		final CompletableFuture<Integer> f = new CompletableFuture<>();
1569	<	final IncFunction r = new IncFunction(m);
1570	<	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	<	}
1569	>	final IncFunction[] rs = new IncFunction[4];
1570	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1571
1572	<	checkCompletedWithWrappedCancellationException(g);
1572	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1573	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1574	>	assertTrue(f.cancel(mayInterruptIfRunning));
1575	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1576	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1577	>
1578	>	checkCompletedWithWrappedCancellationException(h0);
1579	>	checkCompletedWithWrappedCancellationException(h1);
1580	>	checkCompletedWithWrappedCancellationException(h2);
1581	>	checkCompletedWithWrappedCancellationException(h3);
1582		checkCancelled(f);
1583	<	r.assertNotInvoked();
1583	>	for (IncFunction r : rs) r.assertNotInvoked();
1584		}}
1585
1586		/**
#	Line 1224 \| Line 1588 \| public class CompletableFutureTest exten
1588		*/
1589		public void testThenApply_actionFailed() {
1590		for (ExecutionMode m : ExecutionMode.values())
1227	–	for (boolean createIncomplete : new boolean[] { true, false })
1591		for (Integer v1 : new Integer[] { 1, null })
1592		{
1593		final CompletableFuture<Integer> f = new CompletableFuture<>();
1594	<	final FailingFunction r = new FailingFunction(m);
1595	<	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	<	}
1594	>	final FailingFunction[] rs = new FailingFunction[4];
1595	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1596
1597	<	checkCompletedWithWrappedCFException(g);
1597	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1598	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1599	>	assertTrue(f.complete(v1));
1600	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1601	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1602	>
1603	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1604	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1605	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1606	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1607		checkCompletedNormally(f, v1);
1608		}}
1609
#	Line 1245 \| Line 1612 \| public class CompletableFutureTest exten
1612		*/
1613		public void testThenAccept_normalCompletion() {
1614		for (ExecutionMode m : ExecutionMode.values())
1248	–	for (boolean createIncomplete : new boolean[] { true, false })
1615		for (Integer v1 : new Integer[] { 1, null })
1616		{
1617		final CompletableFuture<Integer> f = new CompletableFuture<>();
1618	<	final NoopConsumer r = new NoopConsumer(m);
1619	<	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	<	}
1618	>	final NoopConsumer[] rs = new NoopConsumer[4];
1619	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1620
1621	<	checkCompletedNormally(g, null);
1622	<	r.assertValue(v1);
1621	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1622	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1623	>	checkIncomplete(h0);
1624	>	checkIncomplete(h1);
1625	>	assertTrue(f.complete(v1));
1626	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1627	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1628	>
1629	>	checkCompletedNormally(h0, null);
1630	>	checkCompletedNormally(h1, null);
1631	>	checkCompletedNormally(h2, null);
1632	>	checkCompletedNormally(h3, null);
1633		checkCompletedNormally(f, v1);
1634	+	for (NoopConsumer r : rs) r.assertValue(v1);
1635		}}
1636
1637		/**
#	Line 1268 \| Line 1640 \| public class CompletableFutureTest exten
1640		*/
1641		public void testThenAccept_exceptionalCompletion() {
1642		for (ExecutionMode m : ExecutionMode.values())
1271	–	for (boolean createIncomplete : new boolean[] { true, false })
1643		{
1644		final CFException ex = new CFException();
1645		final CompletableFuture<Integer> f = new CompletableFuture<>();
1646	<	final NoopConsumer r = new NoopConsumer(m);
1647	<	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	<	}
1646	>	final NoopConsumer[] rs = new NoopConsumer[4];
1647	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1648
1649	<	checkCompletedWithWrappedCFException(g, ex);
1650	<	checkCompletedWithWrappedCFException(f, ex);
1651	<	r.assertNotInvoked();
1649	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1650	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1651	>	assertTrue(f.completeExceptionally(ex));
1652	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1653	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1654	>
1655	>	checkCompletedWithWrappedException(h0, ex);
1656	>	checkCompletedWithWrappedException(h1, ex);
1657	>	checkCompletedWithWrappedException(h2, ex);
1658	>	checkCompletedWithWrappedException(h3, ex);
1659	>	checkCompletedExceptionally(f, ex);
1660	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1661		}}
1662
1663		/**
#	Line 1290 \| Line 1665 \| public class CompletableFutureTest exten
1665		*/
1666		public void testThenAccept_sourceCancelled() {
1667		for (ExecutionMode m : ExecutionMode.values())
1293	–	for (boolean createIncomplete : new boolean[] { true, false })
1668		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1669		{
1670		final CompletableFuture<Integer> f = new CompletableFuture<>();
1671	<	final NoopConsumer r = new NoopConsumer(m);
1672	<	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	<	}
1671	>	final NoopConsumer[] rs = new NoopConsumer[4];
1672	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1673
1674	<	checkCompletedWithWrappedCancellationException(g);
1674	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1675	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1676	>	assertTrue(f.cancel(mayInterruptIfRunning));
1677	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1678	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1679	>
1680	>	checkCompletedWithWrappedCancellationException(h0);
1681	>	checkCompletedWithWrappedCancellationException(h1);
1682	>	checkCompletedWithWrappedCancellationException(h2);
1683	>	checkCompletedWithWrappedCancellationException(h3);
1684		checkCancelled(f);
1685	<	r.assertNotInvoked();
1685	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1686		}}
1687
1688		/**
#	Line 1312 \| Line 1690 \| public class CompletableFutureTest exten
1690		*/
1691		public void testThenAccept_actionFailed() {
1692		for (ExecutionMode m : ExecutionMode.values())
1315	–	for (boolean createIncomplete : new boolean[] { true, false })
1693		for (Integer v1 : new Integer[] { 1, null })
1694		{
1695		final CompletableFuture<Integer> f = new CompletableFuture<>();
1696	<	final FailingConsumer r = new FailingConsumer(m);
1697	<	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	<	}
1696	>	final FailingConsumer[] rs = new FailingConsumer[4];
1697	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1698
1699	<	checkCompletedWithWrappedCFException(g);
1699	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1700	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1701	>	assertTrue(f.complete(v1));
1702	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1703	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1704	>
1705	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1706	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1707	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1708	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1709		checkCompletedNormally(f, v1);
1710		}}
1711
#	Line 1334 \| Line 1715 \| public class CompletableFutureTest exten
1715		*/
1716		public void testThenCombine_normalCompletion() {
1717		for (ExecutionMode m : ExecutionMode.values())
1337	–	for (boolean createIncomplete : new boolean[] { true, false })
1718		for (boolean fFirst : new boolean[] { true, false })
1719		for (Integer v1 : new Integer[] { 1, null })
1720		for (Integer v2 : new Integer[] { 2, null })
1721		{
1722		final CompletableFuture<Integer> f = new CompletableFuture<>();
1723		final CompletableFuture<Integer> g = new CompletableFuture<>();
1724	<	final SubtractFunction r = new SubtractFunction(m);
1724	>	final SubtractFunction[] rs = new SubtractFunction[6];
1725	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1726
1727	<	if (fFirst) f.complete(v1); else g.complete(v2);
1728	<	if (!createIncomplete)
1729	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1730	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1731	<	if (createIncomplete) {
1732	<	checkIncomplete(h);
1733	<	r.assertNotInvoked();
1734	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1735	<	}
1727	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1728	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1729	>	final Integer w1 = fFirst ? v1 : v2;
1730	>	final Integer w2 = !fFirst ? v1 : v2;
1731	>
1732	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1733	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1734	>	assertTrue(fst.complete(w1));
1735	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1736	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1737	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1738	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1739	>	checkCompletedNormally(h1, subtract(w1, w1));
1740	>	checkCompletedNormally(h3, subtract(w1, w1));
1741	>	rs[1].assertValue(subtract(w1, w1));
1742	>	rs[3].assertValue(subtract(w1, w1));
1743	>	assertTrue(snd.complete(w2));
1744	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1745	>
1746	>	checkCompletedNormally(h0, subtract(v1, v2));
1747	>	checkCompletedNormally(h2, subtract(v1, v2));
1748	>	checkCompletedNormally(h4, subtract(v1, v2));
1749	>	rs[0].assertValue(subtract(v1, v2));
1750	>	rs[2].assertValue(subtract(v1, v2));
1751	>	rs[4].assertValue(subtract(v1, v2));
1752
1356	–	checkCompletedNormally(h, subtract(v1, v2));
1753		checkCompletedNormally(f, v1);
1754		checkCompletedNormally(g, v2);
1359	–	r.assertInvoked();
1755		}}
1756
1757		/**
1758		* thenCombine result completes exceptionally after exceptional
1759		* completion of either source
1760		*/
1761	<	public void testThenCombine_exceptionalCompletion() {
1761	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1762		for (ExecutionMode m : ExecutionMode.values())
1368	–	for (boolean createIncomplete : new boolean[] { true, false })
1763		for (boolean fFirst : new boolean[] { true, false })
1764	+	for (boolean failFirst : new boolean[] { true, false })
1765		for (Integer v1 : new Integer[] { 1, null })
1766		{
1767		final CompletableFuture<Integer> f = new CompletableFuture<>();
1768		final CompletableFuture<Integer> g = new CompletableFuture<>();
1769		final CFException ex = new CFException();
1770	<	final SubtractFunction r = new SubtractFunction(m);
1771	<
1772	<	(fFirst ? f : g).complete(v1);
1773	<	if (!createIncomplete)
1774	<	(!fFirst ? f : g).completeExceptionally(ex);
1775	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1776	<	if (createIncomplete) {
1777	<	checkIncomplete(h);
1778	<	(!fFirst ? f : g).completeExceptionally(ex);
1779	<	}
1780	<
1781	<	checkCompletedWithWrappedCFException(h, ex);
1782	<	r.assertNotInvoked();
1783	<	checkCompletedNormally(fFirst ? f : g, v1);
1784	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1770	>	final SubtractFunction r1 = new SubtractFunction(m);
1771	>	final SubtractFunction r2 = new SubtractFunction(m);
1772	>	final SubtractFunction r3 = new SubtractFunction(m);
1773	>
1774	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1775	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1776	>	final Callable<Boolean> complete1 = failFirst ?
1777	>	() -> fst.completeExceptionally(ex) :
1778	>	() -> fst.complete(v1);
1779	>	final Callable<Boolean> complete2 = failFirst ?
1780	>	() -> snd.complete(v1) :
1781	>	() -> snd.completeExceptionally(ex);
1782	>
1783	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1784	>	assertTrue(complete1.call());
1785	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1786	>	checkIncomplete(h1);
1787	>	checkIncomplete(h2);
1788	>	assertTrue(complete2.call());
1789	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1790	>
1791	>	checkCompletedWithWrappedException(h1, ex);
1792	>	checkCompletedWithWrappedException(h2, ex);
1793	>	checkCompletedWithWrappedException(h3, ex);
1794	>	r1.assertNotInvoked();
1795	>	r2.assertNotInvoked();
1796	>	r3.assertNotInvoked();
1797	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1798	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1799		}}
1800
1801		/**
1802		* thenCombine result completes exceptionally if either source cancelled
1803		*/
1804	<	public void testThenCombine_sourceCancelled() {
1804	>	public void testThenCombine_sourceCancelled() throws Throwable {
1805		for (ExecutionMode m : ExecutionMode.values())
1806		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1398	–	for (boolean createIncomplete : new boolean[] { true, false })
1807		for (boolean fFirst : new boolean[] { true, false })
1808	+	for (boolean failFirst : new boolean[] { true, false })
1809		for (Integer v1 : new Integer[] { 1, null })
1810		{
1811		final CompletableFuture<Integer> f = new CompletableFuture<>();
1812		final CompletableFuture<Integer> g = new CompletableFuture<>();
1813	<	final SubtractFunction r = new SubtractFunction(m);
1814	<
1815	<	(fFirst ? f : g).complete(v1);
1816	<	if (!createIncomplete)
1817	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1818	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1819	<	if (createIncomplete) {
1820	<	checkIncomplete(h);
1821	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1822	<	}
1813	>	final SubtractFunction r1 = new SubtractFunction(m);
1814	>	final SubtractFunction r2 = new SubtractFunction(m);
1815	>	final SubtractFunction r3 = new SubtractFunction(m);
1816	>
1817	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1818	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1819	>	final Callable<Boolean> complete1 = failFirst ?
1820	>	() -> fst.cancel(mayInterruptIfRunning) :
1821	>	() -> fst.complete(v1);
1822	>	final Callable<Boolean> complete2 = failFirst ?
1823	>	() -> snd.complete(v1) :
1824	>	() -> snd.cancel(mayInterruptIfRunning);
1825	>
1826	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1827	>	assertTrue(complete1.call());
1828	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1829	>	checkIncomplete(h1);
1830	>	checkIncomplete(h2);
1831	>	assertTrue(complete2.call());
1832	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1833
1834	<	checkCompletedWithWrappedCancellationException(h);
1835	<	checkCancelled(!fFirst ? f : g);
1836	<	r.assertNotInvoked();
1837	<	checkCompletedNormally(fFirst ? f : g, v1);
1834	>	checkCompletedWithWrappedCancellationException(h1);
1835	>	checkCompletedWithWrappedCancellationException(h2);
1836	>	checkCompletedWithWrappedCancellationException(h3);
1837	>	r1.assertNotInvoked();
1838	>	r2.assertNotInvoked();
1839	>	r3.assertNotInvoked();
1840	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1841	>	checkCancelled(failFirst ? fst : snd);
1842		}}
1843
1844		/**
#	Line 1429 \| Line 1852 \| public class CompletableFutureTest exten
1852		{
1853		final CompletableFuture<Integer> f = new CompletableFuture<>();
1854		final CompletableFuture<Integer> g = new CompletableFuture<>();
1855	<	final FailingBiFunction r = new FailingBiFunction(m);
1856	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1857	<
1858	<	if (fFirst) {
1859	<	f.complete(v1);
1860	<	g.complete(v2);
1861	<	} else {
1862	<	g.complete(v2);
1863	<	f.complete(v1);
1864	<	}
1865	<
1866	<	checkCompletedWithWrappedCFException(h);
1855	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1856	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1857	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1858	>
1859	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1860	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1861	>	final Integer w1 = fFirst ? v1 : v2;
1862	>	final Integer w2 = !fFirst ? v1 : v2;
1863	>
1864	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1865	>	assertTrue(fst.complete(w1));
1866	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1867	>	assertTrue(snd.complete(w2));
1868	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1869	>
1870	>	checkCompletedWithWrappedException(h1, r1.ex);
1871	>	checkCompletedWithWrappedException(h2, r2.ex);
1872	>	checkCompletedWithWrappedException(h3, r3.ex);
1873	>	r1.assertInvoked();
1874	>	r2.assertInvoked();
1875	>	r3.assertInvoked();
1876		checkCompletedNormally(f, v1);
1877		checkCompletedNormally(g, v2);
1878		}}
#	Line 1451 \| Line 1883 \| public class CompletableFutureTest exten
1883		*/
1884		public void testThenAcceptBoth_normalCompletion() {
1885		for (ExecutionMode m : ExecutionMode.values())
1454	–	for (boolean createIncomplete : new boolean[] { true, false })
1886		for (boolean fFirst : new boolean[] { true, false })
1887		for (Integer v1 : new Integer[] { 1, null })
1888		for (Integer v2 : new Integer[] { 2, null })
1889		{
1890		final CompletableFuture<Integer> f = new CompletableFuture<>();
1891		final CompletableFuture<Integer> g = new CompletableFuture<>();
1892	<	final SubtractAction r = new SubtractAction(m);
1893	<
1894	<	if (fFirst) f.complete(v1); else g.complete(v2);
1895	<	if (!createIncomplete)
1896	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1897	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1898	<	if (createIncomplete) {
1899	<	checkIncomplete(h);
1900	<	r.assertNotInvoked();
1901	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1902	<	}
1892	>	final SubtractAction r1 = new SubtractAction(m);
1893	>	final SubtractAction r2 = new SubtractAction(m);
1894	>	final SubtractAction r3 = new SubtractAction(m);
1895	>
1896	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1897	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1898	>	final Integer w1 = fFirst ? v1 : v2;
1899	>	final Integer w2 = !fFirst ? v1 : v2;
1900	>
1901	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1902	>	assertTrue(fst.complete(w1));
1903	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1904	>	checkIncomplete(h1);
1905	>	checkIncomplete(h2);
1906	>	r1.assertNotInvoked();
1907	>	r2.assertNotInvoked();
1908	>	assertTrue(snd.complete(w2));
1909	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1910
1911	<	checkCompletedNormally(h, null);
1912	<	r.assertValue(subtract(v1, v2));
1911	>	checkCompletedNormally(h1, null);
1912	>	checkCompletedNormally(h2, null);
1913	>	checkCompletedNormally(h3, null);
1914	>	r1.assertValue(subtract(v1, v2));
1915	>	r2.assertValue(subtract(v1, v2));
1916	>	r3.assertValue(subtract(v1, v2));
1917		checkCompletedNormally(f, v1);
1918		checkCompletedNormally(g, v2);
1919		}}
#	Line 1480 \| Line 1922 \| public class CompletableFutureTest exten
1922		* thenAcceptBoth result completes exceptionally after exceptional
1923		* completion of either source
1924		*/
1925	<	public void testThenAcceptBoth_exceptionalCompletion() {
1925	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1926		for (ExecutionMode m : ExecutionMode.values())
1485	–	for (boolean createIncomplete : new boolean[] { true, false })
1927		for (boolean fFirst : new boolean[] { true, false })
1928	+	for (boolean failFirst : new boolean[] { true, false })
1929		for (Integer v1 : new Integer[] { 1, null })
1930		{
1931		final CompletableFuture<Integer> f = new CompletableFuture<>();
1932		final CompletableFuture<Integer> g = new CompletableFuture<>();
1933		final CFException ex = new CFException();
1934	<	final SubtractAction r = new SubtractAction(m);
1935	<
1936	<	(fFirst ? f : g).complete(v1);
1937	<	if (!createIncomplete)
1938	<	(!fFirst ? f : g).completeExceptionally(ex);
1939	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1940	<	if (createIncomplete) {
1941	<	checkIncomplete(h);
1942	<	(!fFirst ? f : g).completeExceptionally(ex);
1943	<	}
1944	<
1945	<	checkCompletedWithWrappedCFException(h, ex);
1946	<	r.assertNotInvoked();
1947	<	checkCompletedNormally(fFirst ? f : g, v1);
1948	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1934	>	final SubtractAction r1 = new SubtractAction(m);
1935	>	final SubtractAction r2 = new SubtractAction(m);
1936	>	final SubtractAction r3 = new SubtractAction(m);
1937	>
1938	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1939	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1940	>	final Callable<Boolean> complete1 = failFirst ?
1941	>	() -> fst.completeExceptionally(ex) :
1942	>	() -> fst.complete(v1);
1943	>	final Callable<Boolean> complete2 = failFirst ?
1944	>	() -> snd.complete(v1) :
1945	>	() -> snd.completeExceptionally(ex);
1946	>
1947	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1948	>	assertTrue(complete1.call());
1949	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1950	>	checkIncomplete(h1);
1951	>	checkIncomplete(h2);
1952	>	assertTrue(complete2.call());
1953	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1954	>
1955	>	checkCompletedWithWrappedException(h1, ex);
1956	>	checkCompletedWithWrappedException(h2, ex);
1957	>	checkCompletedWithWrappedException(h3, ex);
1958	>	r1.assertNotInvoked();
1959	>	r2.assertNotInvoked();
1960	>	r3.assertNotInvoked();
1961	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1962	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1963		}}
1964
1965		/**
1966		* thenAcceptBoth result completes exceptionally if either source cancelled
1967		*/
1968	<	public void testThenAcceptBoth_sourceCancelled() {
1968	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1969		for (ExecutionMode m : ExecutionMode.values())
1970		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1515	–	for (boolean createIncomplete : new boolean[] { true, false })
1971		for (boolean fFirst : new boolean[] { true, false })
1972	+	for (boolean failFirst : new boolean[] { true, false })
1973		for (Integer v1 : new Integer[] { 1, null })
1974		{
1975		final CompletableFuture<Integer> f = new CompletableFuture<>();
1976		final CompletableFuture<Integer> g = new CompletableFuture<>();
1977	<	final SubtractAction r = new SubtractAction(m);
1978	<
1979	<	(fFirst ? f : g).complete(v1);
1980	<	if (!createIncomplete)
1981	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1982	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1983	<	if (createIncomplete) {
1984	<	checkIncomplete(h);
1985	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1986	<	}
1977	>	final SubtractAction r1 = new SubtractAction(m);
1978	>	final SubtractAction r2 = new SubtractAction(m);
1979	>	final SubtractAction r3 = new SubtractAction(m);
1980	>
1981	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1982	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1983	>	final Callable<Boolean> complete1 = failFirst ?
1984	>	() -> fst.cancel(mayInterruptIfRunning) :
1985	>	() -> fst.complete(v1);
1986	>	final Callable<Boolean> complete2 = failFirst ?
1987	>	() -> snd.complete(v1) :
1988	>	() -> snd.cancel(mayInterruptIfRunning);
1989	>
1990	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1991	>	assertTrue(complete1.call());
1992	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1993	>	checkIncomplete(h1);
1994	>	checkIncomplete(h2);
1995	>	assertTrue(complete2.call());
1996	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1997
1998	<	checkCompletedWithWrappedCancellationException(h);
1999	<	checkCancelled(!fFirst ? f : g);
2000	<	r.assertNotInvoked();
2001	<	checkCompletedNormally(fFirst ? f : g, v1);
1998	>	checkCompletedWithWrappedCancellationException(h1);
1999	>	checkCompletedWithWrappedCancellationException(h2);
2000	>	checkCompletedWithWrappedCancellationException(h3);
2001	>	r1.assertNotInvoked();
2002	>	r2.assertNotInvoked();
2003	>	r3.assertNotInvoked();
2004	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2005	>	checkCancelled(failFirst ? fst : snd);
2006		}}
2007
2008		/**
#	Line 1546 \| Line 2016 \| public class CompletableFutureTest exten
2016		{
2017		final CompletableFuture<Integer> f = new CompletableFuture<>();
2018		final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	<	final FailingBiConsumer r = new FailingBiConsumer(m);
2020	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2021	<
2022	<	if (fFirst) {
2023	<	f.complete(v1);
2024	<	g.complete(v2);
2025	<	} else {
2026	<	g.complete(v2);
2027	<	f.complete(v1);
2028	<	}
2029	<
2030	<	checkCompletedWithWrappedCFException(h);
2019	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2020	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2021	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2022	>
2023	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2024	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2025	>	final Integer w1 = fFirst ? v1 : v2;
2026	>	final Integer w2 = !fFirst ? v1 : v2;
2027	>
2028	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2029	>	assertTrue(fst.complete(w1));
2030	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2031	>	assertTrue(snd.complete(w2));
2032	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2033	>
2034	>	checkCompletedWithWrappedException(h1, r1.ex);
2035	>	checkCompletedWithWrappedException(h2, r2.ex);
2036	>	checkCompletedWithWrappedException(h3, r3.ex);
2037	>	r1.assertInvoked();
2038	>	r2.assertInvoked();
2039	>	r3.assertInvoked();
2040		checkCompletedNormally(f, v1);
2041		checkCompletedNormally(g, v2);
2042		}}
#	Line 1568 \| Line 2047 \| public class CompletableFutureTest exten
2047		*/
2048		public void testRunAfterBoth_normalCompletion() {
2049		for (ExecutionMode m : ExecutionMode.values())
1571	–	for (boolean createIncomplete : new boolean[] { true, false })
2050		for (boolean fFirst : new boolean[] { true, false })
2051		for (Integer v1 : new Integer[] { 1, null })
2052		for (Integer v2 : new Integer[] { 2, null })
2053		{
2054		final CompletableFuture<Integer> f = new CompletableFuture<>();
2055		final CompletableFuture<Integer> g = new CompletableFuture<>();
2056	<	final Noop r = new Noop(m);
2057	<
2058	<	if (fFirst) f.complete(v1); else g.complete(v2);
2059	<	if (!createIncomplete)
2060	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2061	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2062	<	if (createIncomplete) {
2063	<	checkIncomplete(h);
2064	<	r.assertNotInvoked();
2065	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2066	<	}
2056	>	final Noop r1 = new Noop(m);
2057	>	final Noop r2 = new Noop(m);
2058	>	final Noop r3 = new Noop(m);
2059	>
2060	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2061	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2062	>	final Integer w1 = fFirst ? v1 : v2;
2063	>	final Integer w2 = !fFirst ? v1 : v2;
2064	>
2065	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2066	>	assertTrue(fst.complete(w1));
2067	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2068	>	checkIncomplete(h1);
2069	>	checkIncomplete(h2);
2070	>	r1.assertNotInvoked();
2071	>	r2.assertNotInvoked();
2072	>	assertTrue(snd.complete(w2));
2073	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2074
2075	<	checkCompletedNormally(h, null);
2076	<	r.assertInvoked();
2075	>	checkCompletedNormally(h1, null);
2076	>	checkCompletedNormally(h2, null);
2077	>	checkCompletedNormally(h3, null);
2078	>	r1.assertInvoked();
2079	>	r2.assertInvoked();
2080	>	r3.assertInvoked();
2081		checkCompletedNormally(f, v1);
2082		checkCompletedNormally(g, v2);
2083		}}
#	Line 1597 \| Line 2086 \| public class CompletableFutureTest exten
2086		* runAfterBoth result completes exceptionally after exceptional
2087		* completion of either source
2088		*/
2089	<	public void testRunAfterBoth_exceptionalCompletion() {
2089	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2090		for (ExecutionMode m : ExecutionMode.values())
1602	–	for (boolean createIncomplete : new boolean[] { true, false })
2091		for (boolean fFirst : new boolean[] { true, false })
2092	+	for (boolean failFirst : new boolean[] { true, false })
2093		for (Integer v1 : new Integer[] { 1, null })
2094		{
2095		final CompletableFuture<Integer> f = new CompletableFuture<>();
2096		final CompletableFuture<Integer> g = new CompletableFuture<>();
2097		final CFException ex = new CFException();
2098	<	final Noop r = new Noop(m);
2099	<
2100	<	(fFirst ? f : g).complete(v1);
2101	<	if (!createIncomplete)
2102	<	(!fFirst ? f : g).completeExceptionally(ex);
2103	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2104	<	if (createIncomplete) {
2105	<	checkIncomplete(h);
2106	<	(!fFirst ? f : g).completeExceptionally(ex);
2107	<	}
2108	<
2109	<	checkCompletedWithWrappedCFException(h, ex);
2110	<	r.assertNotInvoked();
2111	<	checkCompletedNormally(fFirst ? f : g, v1);
2112	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2098	>	final Noop r1 = new Noop(m);
2099	>	final Noop r2 = new Noop(m);
2100	>	final Noop r3 = new Noop(m);
2101	>
2102	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2103	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2104	>	final Callable<Boolean> complete1 = failFirst ?
2105	>	() -> fst.completeExceptionally(ex) :
2106	>	() -> fst.complete(v1);
2107	>	final Callable<Boolean> complete2 = failFirst ?
2108	>	() -> snd.complete(v1) :
2109	>	() -> snd.completeExceptionally(ex);
2110	>
2111	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2112	>	assertTrue(complete1.call());
2113	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2114	>	checkIncomplete(h1);
2115	>	checkIncomplete(h2);
2116	>	assertTrue(complete2.call());
2117	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2118	>
2119	>	checkCompletedWithWrappedException(h1, ex);
2120	>	checkCompletedWithWrappedException(h2, ex);
2121	>	checkCompletedWithWrappedException(h3, ex);
2122	>	r1.assertNotInvoked();
2123	>	r2.assertNotInvoked();
2124	>	r3.assertNotInvoked();
2125	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2126	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2127		}}
2128
2129		/**
2130		* runAfterBoth result completes exceptionally if either source cancelled
2131		*/
2132	<	public void testRunAfterBoth_sourceCancelled() {
2132	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2133		for (ExecutionMode m : ExecutionMode.values())
2134		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1632	–	for (boolean createIncomplete : new boolean[] { true, false })
2135		for (boolean fFirst : new boolean[] { true, false })
2136	+	for (boolean failFirst : new boolean[] { true, false })
2137		for (Integer v1 : new Integer[] { 1, null })
2138		{
2139		final CompletableFuture<Integer> f = new CompletableFuture<>();
2140		final CompletableFuture<Integer> g = new CompletableFuture<>();
2141	<	final Noop r = new Noop(m);
2142	<
2143	<
2144	<	(fFirst ? f : g).complete(v1);
2145	<	if (!createIncomplete)
2146	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2147	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2148	<	if (createIncomplete) {
2149	<	checkIncomplete(h);
2150	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2151	<	}
2141	>	final Noop r1 = new Noop(m);
2142	>	final Noop r2 = new Noop(m);
2143	>	final Noop r3 = new Noop(m);
2144	>
2145	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2146	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2147	>	final Callable<Boolean> complete1 = failFirst ?
2148	>	() -> fst.cancel(mayInterruptIfRunning) :
2149	>	() -> fst.complete(v1);
2150	>	final Callable<Boolean> complete2 = failFirst ?
2151	>	() -> snd.complete(v1) :
2152	>	() -> snd.cancel(mayInterruptIfRunning);
2153	>
2154	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2155	>	assertTrue(complete1.call());
2156	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2157	>	checkIncomplete(h1);
2158	>	checkIncomplete(h2);
2159	>	assertTrue(complete2.call());
2160	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2161
2162	<	checkCompletedWithWrappedCancellationException(h);
2163	<	checkCancelled(!fFirst ? f : g);
2164	<	r.assertNotInvoked();
2165	<	checkCompletedNormally(fFirst ? f : g, v1);
2162	>	checkCompletedWithWrappedCancellationException(h1);
2163	>	checkCompletedWithWrappedCancellationException(h2);
2164	>	checkCompletedWithWrappedCancellationException(h3);
2165	>	r1.assertNotInvoked();
2166	>	r2.assertNotInvoked();
2167	>	r3.assertNotInvoked();
2168	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2169	>	checkCancelled(failFirst ? fst : snd);
2170		}}
2171
2172		/**
#	Line 1666 \| Line 2182 \| public class CompletableFutureTest exten
2182		final CompletableFuture<Integer> g = new CompletableFuture<>();
2183		final FailingRunnable r1 = new FailingRunnable(m);
2184		final FailingRunnable r2 = new FailingRunnable(m);
2185	+	final FailingRunnable r3 = new FailingRunnable(m);
2186
2187	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2188	<	if (fFirst) {
2189	<	f.complete(v1);
2190	<	g.complete(v2);
2191	<	} else {
2192	<	g.complete(v2);
2193	<	f.complete(v1);
2194	<	}
2195	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2196	<
2197	<	checkCompletedWithWrappedCFException(h1);
2198	<	checkCompletedWithWrappedCFException(h2);
2187	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2188	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2189	>	final Integer w1 = fFirst ? v1 : v2;
2190	>	final Integer w2 = !fFirst ? v1 : v2;
2191	>
2192	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2193	>	assertTrue(fst.complete(w1));
2194	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2195	>	assertTrue(snd.complete(w2));
2196	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2197	>
2198	>	checkCompletedWithWrappedException(h1, r1.ex);
2199	>	checkCompletedWithWrappedException(h2, r2.ex);
2200	>	checkCompletedWithWrappedException(h3, r3.ex);
2201	>	r1.assertInvoked();
2202	>	r2.assertInvoked();
2203	>	r3.assertInvoked();
2204		checkCompletedNormally(f, v1);
2205		checkCompletedNormally(g, v2);
2206		}}
#	Line 1752 \| Line 2274 \| public class CompletableFutureTest exten
2274		rs[0].assertNotInvoked();
2275		rs[1].assertNotInvoked();
2276		f.completeExceptionally(ex);
2277	<	checkCompletedWithWrappedCFException(h0, ex);
2278	<	checkCompletedWithWrappedCFException(h1, ex);
2277	>	checkCompletedWithWrappedException(h0, ex);
2278	>	checkCompletedWithWrappedException(h1, ex);
2279		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2280		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2281	<	checkCompletedWithWrappedCFException(h2, ex);
2282	<	checkCompletedWithWrappedCFException(h3, ex);
2281	>	checkCompletedWithWrappedException(h2, ex);
2282	>	checkCompletedWithWrappedException(h3, ex);
2283		g.complete(v1);
2284
2285		// unspecified behavior - both source completions available
#	Line 1767 \| Line 2289 \| public class CompletableFutureTest exten
2289		assertEquals(inc(v1), h4.join());
2290		rs[4].assertValue(inc(v1));
2291		} catch (CompletionException ok) {
2292	<	checkCompletedWithWrappedCFException(h4, ex);
2292	>	checkCompletedWithWrappedException(h4, ex);
2293		rs[4].assertNotInvoked();
2294		}
2295		try {
2296		assertEquals(inc(v1), h5.join());
2297		rs[5].assertValue(inc(v1));
2298		} catch (CompletionException ok) {
2299	<	checkCompletedWithWrappedCFException(h5, ex);
2299	>	checkCompletedWithWrappedException(h5, ex);
2300		rs[5].assertNotInvoked();
2301		}
2302
2303	<	checkCompletedWithWrappedCFException(f, ex);
2303	>	checkCompletedExceptionally(f, ex);
2304		checkCompletedNormally(g, v1);
2305	<	checkCompletedWithWrappedCFException(h0, ex);
2306	<	checkCompletedWithWrappedCFException(h1, ex);
2307	<	checkCompletedWithWrappedCFException(h2, ex);
2308	<	checkCompletedWithWrappedCFException(h3, ex);
2309	<	checkCompletedWithWrappedCFException(h4, ex);
2305	>	checkCompletedWithWrappedException(h0, ex);
2306	>	checkCompletedWithWrappedException(h1, ex);
2307	>	checkCompletedWithWrappedException(h2, ex);
2308	>	checkCompletedWithWrappedException(h3, ex);
2309	>	checkCompletedWithWrappedException(h4, ex);
2310		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2311		}}
2312
#	Line 1801 \| Line 2323 \| public class CompletableFutureTest exten
2323
2324		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2325		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2326	<	if (fFirst) {
2327	<	f.complete(v1);
1806	<	g.completeExceptionally(ex);
1807	<	} else {
1808	<	g.completeExceptionally(ex);
1809	<	f.complete(v1);
1810	<	}
2326	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2327	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2328		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2329		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2330
#	Line 1816 \| Line 2333 \| public class CompletableFutureTest exten
2333		assertEquals(inc(v1), h0.join());
2334		rs[0].assertValue(inc(v1));
2335		} catch (CompletionException ok) {
2336	<	checkCompletedWithWrappedCFException(h0, ex);
2336	>	checkCompletedWithWrappedException(h0, ex);
2337		rs[0].assertNotInvoked();
2338		}
2339		try {
2340		assertEquals(inc(v1), h1.join());
2341		rs[1].assertValue(inc(v1));
2342		} catch (CompletionException ok) {
2343	<	checkCompletedWithWrappedCFException(h1, ex);
2343	>	checkCompletedWithWrappedException(h1, ex);
2344		rs[1].assertNotInvoked();
2345		}
2346		try {
2347		assertEquals(inc(v1), h2.join());
2348		rs[2].assertValue(inc(v1));
2349		} catch (CompletionException ok) {
2350	<	checkCompletedWithWrappedCFException(h2, ex);
2350	>	checkCompletedWithWrappedException(h2, ex);
2351		rs[2].assertNotInvoked();
2352		}
2353		try {
2354		assertEquals(inc(v1), h3.join());
2355		rs[3].assertValue(inc(v1));
2356		} catch (CompletionException ok) {
2357	<	checkCompletedWithWrappedCFException(h3, ex);
2357	>	checkCompletedWithWrappedException(h3, ex);
2358		rs[3].assertNotInvoked();
2359		}
2360
2361		checkCompletedNormally(f, v1);
2362	<	checkCompletedWithWrappedCFException(g, ex);
2362	>	checkCompletedExceptionally(g, ex);
2363		}}
2364
2365		/**
#	Line 1913 \| Line 2430 \| public class CompletableFutureTest exten
2430
2431		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2432		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2433	<	if (fFirst) {
2434	<	f.complete(v1);
1918	<	g.cancel(mayInterruptIfRunning);
1919	<	} else {
1920	<	g.cancel(mayInterruptIfRunning);
1921	<	f.complete(v1);
1922	<	}
2433	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2434	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2435		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2436		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2437
#	Line 1975 \| Line 2487 \| public class CompletableFutureTest exten
2487		f.complete(v1);
2488		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2489		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2490	<	checkCompletedWithWrappedCFException(h0);
2491	<	checkCompletedWithWrappedCFException(h1);
2492	<	checkCompletedWithWrappedCFException(h2);
2493	<	checkCompletedWithWrappedCFException(h3);
2490	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2491	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2492	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2493	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2494		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2495
2496		g.complete(v2);
#	Line 1987 \| Line 2499 \| public class CompletableFutureTest exten
2499		final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2500		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2501
2502	<	checkCompletedWithWrappedCFException(h4);
2502	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2503		assertTrue(Objects.equals(v1, rs[4].value) \|\|
2504		Objects.equals(v2, rs[4].value));
2505	<	checkCompletedWithWrappedCFException(h5);
2505	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2506		assertTrue(Objects.equals(v1, rs[5].value) \|\|
2507		Objects.equals(v2, rs[5].value));
2508
#	Line 2071 \| Line 2583 \| public class CompletableFutureTest exten
2583		rs[0].assertNotInvoked();
2584		rs[1].assertNotInvoked();
2585		f.completeExceptionally(ex);
2586	<	checkCompletedWithWrappedCFException(h0, ex);
2587	<	checkCompletedWithWrappedCFException(h1, ex);
2586	>	checkCompletedWithWrappedException(h0, ex);
2587	>	checkCompletedWithWrappedException(h1, ex);
2588		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2589		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2590	<	checkCompletedWithWrappedCFException(h2, ex);
2591	<	checkCompletedWithWrappedCFException(h3, ex);
2590	>	checkCompletedWithWrappedException(h2, ex);
2591	>	checkCompletedWithWrappedException(h3, ex);
2592
2593		g.complete(v1);
2594
#	Line 2087 \| Line 2599 \| public class CompletableFutureTest exten
2599		assertNull(h4.join());
2600		rs[4].assertValue(v1);
2601		} catch (CompletionException ok) {
2602	<	checkCompletedWithWrappedCFException(h4, ex);
2602	>	checkCompletedWithWrappedException(h4, ex);
2603		rs[4].assertNotInvoked();
2604		}
2605		try {
2606		assertNull(h5.join());
2607		rs[5].assertValue(v1);
2608		} catch (CompletionException ok) {
2609	<	checkCompletedWithWrappedCFException(h5, ex);
2609	>	checkCompletedWithWrappedException(h5, ex);
2610		rs[5].assertNotInvoked();
2611		}
2612
2613	<	checkCompletedWithWrappedCFException(f, ex);
2613	>	checkCompletedExceptionally(f, ex);
2614		checkCompletedNormally(g, v1);
2615	<	checkCompletedWithWrappedCFException(h0, ex);
2616	<	checkCompletedWithWrappedCFException(h1, ex);
2617	<	checkCompletedWithWrappedCFException(h2, ex);
2618	<	checkCompletedWithWrappedCFException(h3, ex);
2619	<	checkCompletedWithWrappedCFException(h4, ex);
2615	>	checkCompletedWithWrappedException(h0, ex);
2616	>	checkCompletedWithWrappedException(h1, ex);
2617	>	checkCompletedWithWrappedException(h2, ex);
2618	>	checkCompletedWithWrappedException(h3, ex);
2619	>	checkCompletedWithWrappedException(h4, ex);
2620		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2621		}}
2622
#	Line 2121 \| Line 2633 \| public class CompletableFutureTest exten
2633
2634		final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2635		final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2636	<	if (fFirst) {
2637	<	f.complete(v1);
2126	<	g.completeExceptionally(ex);
2127	<	} else {
2128	<	g.completeExceptionally(ex);
2129	<	f.complete(v1);
2130	<	}
2636	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2637	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2638		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2639		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2640
2641		// unspecified behavior - both source completions available
2642		try {
2643	<	assertEquals(null, h0.join());
2643	>	assertNull(h0.join());
2644		rs[0].assertValue(v1);
2645		} catch (CompletionException ok) {
2646	<	checkCompletedWithWrappedCFException(h0, ex);
2646	>	checkCompletedWithWrappedException(h0, ex);
2647		rs[0].assertNotInvoked();
2648		}
2649		try {
2650	<	assertEquals(null, h1.join());
2650	>	assertNull(h1.join());
2651		rs[1].assertValue(v1);
2652		} catch (CompletionException ok) {
2653	<	checkCompletedWithWrappedCFException(h1, ex);
2653	>	checkCompletedWithWrappedException(h1, ex);
2654		rs[1].assertNotInvoked();
2655		}
2656		try {
2657	<	assertEquals(null, h2.join());
2657	>	assertNull(h2.join());
2658		rs[2].assertValue(v1);
2659		} catch (CompletionException ok) {
2660	<	checkCompletedWithWrappedCFException(h2, ex);
2660	>	checkCompletedWithWrappedException(h2, ex);
2661		rs[2].assertNotInvoked();
2662		}
2663		try {
2664	<	assertEquals(null, h3.join());
2664	>	assertNull(h3.join());
2665		rs[3].assertValue(v1);
2666		} catch (CompletionException ok) {
2667	<	checkCompletedWithWrappedCFException(h3, ex);
2667	>	checkCompletedWithWrappedException(h3, ex);
2668		rs[3].assertNotInvoked();
2669		}
2670
2671		checkCompletedNormally(f, v1);
2672	<	checkCompletedWithWrappedCFException(g, ex);
2672	>	checkCompletedExceptionally(g, ex);
2673		}}
2674
2675		/**
#	Line 2239 \| Line 2746 \| public class CompletableFutureTest exten
2746		f.complete(v1);
2747		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2748		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2749	<	checkCompletedWithWrappedCFException(h0);
2750	<	checkCompletedWithWrappedCFException(h1);
2751	<	checkCompletedWithWrappedCFException(h2);
2752	<	checkCompletedWithWrappedCFException(h3);
2749	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2750	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2751	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2752	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2753		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2754
2755		g.complete(v2);
#	Line 2251 \| Line 2758 \| public class CompletableFutureTest exten
2758		final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2759		final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2760
2761	<	checkCompletedWithWrappedCFException(h4);
2761	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2762		assertTrue(Objects.equals(v1, rs[4].value) \|\|
2763		Objects.equals(v2, rs[4].value));
2764	<	checkCompletedWithWrappedCFException(h5);
2764	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2765		assertTrue(Objects.equals(v1, rs[5].value) \|\|
2766		Objects.equals(v2, rs[5].value));
2767
#	Line 2270 \| Line 2777 \| public class CompletableFutureTest exten
2777		for (ExecutionMode m : ExecutionMode.values())
2778		for (Integer v1 : new Integer[] { 1, null })
2779		for (Integer v2 : new Integer[] { 2, null })
2780	+	for (boolean pushNop : new boolean[] { true, false })
2781		{
2782		final CompletableFuture<Integer> f = new CompletableFuture<>();
2783		final CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 2282 \| Line 2790 \| public class CompletableFutureTest exten
2790		checkIncomplete(h1);
2791		rs[0].assertNotInvoked();
2792		rs[1].assertNotInvoked();
2793	+	if (pushNop) { // ad hoc test of intra-completion interference
2794	+	m.thenRun(f, () -> {});
2795	+	m.thenRun(g, () -> {});
2796	+	}
2797		f.complete(v1);
2798		checkCompletedNormally(h0, null);
2799		checkCompletedNormally(h1, null);
#	Line 2330 \| Line 2842 \| public class CompletableFutureTest exten
2842		checkIncomplete(h1);
2843		rs[0].assertNotInvoked();
2844		rs[1].assertNotInvoked();
2845	<	f.completeExceptionally(ex);
2846	<	checkCompletedWithWrappedCFException(h0, ex);
2847	<	checkCompletedWithWrappedCFException(h1, ex);
2845	>	assertTrue(f.completeExceptionally(ex));
2846	>	checkCompletedWithWrappedException(h0, ex);
2847	>	checkCompletedWithWrappedException(h1, ex);
2848		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2849		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2850	<	checkCompletedWithWrappedCFException(h2, ex);
2851	<	checkCompletedWithWrappedCFException(h3, ex);
2850	>	checkCompletedWithWrappedException(h2, ex);
2851	>	checkCompletedWithWrappedException(h3, ex);
2852
2853	<	g.complete(v1);
2853	>	assertTrue(g.complete(v1));
2854
2855		// unspecified behavior - both source completions available
2856		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2347 \| Line 2859 \| public class CompletableFutureTest exten
2859		assertNull(h4.join());
2860		rs[4].assertInvoked();
2861		} catch (CompletionException ok) {
2862	<	checkCompletedWithWrappedCFException(h4, ex);
2862	>	checkCompletedWithWrappedException(h4, ex);
2863		rs[4].assertNotInvoked();
2864		}
2865		try {
2866		assertNull(h5.join());
2867		rs[5].assertInvoked();
2868		} catch (CompletionException ok) {
2869	<	checkCompletedWithWrappedCFException(h5, ex);
2869	>	checkCompletedWithWrappedException(h5, ex);
2870		rs[5].assertNotInvoked();
2871		}
2872
2873	<	checkCompletedWithWrappedCFException(f, ex);
2873	>	checkCompletedExceptionally(f, ex);
2874		checkCompletedNormally(g, v1);
2875	<	checkCompletedWithWrappedCFException(h0, ex);
2876	<	checkCompletedWithWrappedCFException(h1, ex);
2877	<	checkCompletedWithWrappedCFException(h2, ex);
2878	<	checkCompletedWithWrappedCFException(h3, ex);
2879	<	checkCompletedWithWrappedCFException(h4, ex);
2875	>	checkCompletedWithWrappedException(h0, ex);
2876	>	checkCompletedWithWrappedException(h1, ex);
2877	>	checkCompletedWithWrappedException(h2, ex);
2878	>	checkCompletedWithWrappedException(h3, ex);
2879	>	checkCompletedWithWrappedException(h4, ex);
2880		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2881		}}
2882
#	Line 2381 \| Line 2893 \| public class CompletableFutureTest exten
2893
2894		final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2895		final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2896	<	if (fFirst) {
2897	<	f.complete(v1);
2386	<	g.completeExceptionally(ex);
2387	<	} else {
2388	<	g.completeExceptionally(ex);
2389	<	f.complete(v1);
2390	<	}
2896	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2897	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2898		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2899		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2900
2901		// unspecified behavior - both source completions available
2902		try {
2903	<	assertEquals(null, h0.join());
2903	>	assertNull(h0.join());
2904		rs[0].assertInvoked();
2905		} catch (CompletionException ok) {
2906	<	checkCompletedWithWrappedCFException(h0, ex);
2906	>	checkCompletedWithWrappedException(h0, ex);
2907		rs[0].assertNotInvoked();
2908		}
2909		try {
2910	<	assertEquals(null, h1.join());
2910	>	assertNull(h1.join());
2911		rs[1].assertInvoked();
2912		} catch (CompletionException ok) {
2913	<	checkCompletedWithWrappedCFException(h1, ex);
2913	>	checkCompletedWithWrappedException(h1, ex);
2914		rs[1].assertNotInvoked();
2915		}
2916		try {
2917	<	assertEquals(null, h2.join());
2917	>	assertNull(h2.join());
2918		rs[2].assertInvoked();
2919		} catch (CompletionException ok) {
2920	<	checkCompletedWithWrappedCFException(h2, ex);
2920	>	checkCompletedWithWrappedException(h2, ex);
2921		rs[2].assertNotInvoked();
2922		}
2923		try {
2924	<	assertEquals(null, h3.join());
2924	>	assertNull(h3.join());
2925		rs[3].assertInvoked();
2926		} catch (CompletionException ok) {
2927	<	checkCompletedWithWrappedCFException(h3, ex);
2927	>	checkCompletedWithWrappedException(h3, ex);
2928		rs[3].assertNotInvoked();
2929		}
2930
2931		checkCompletedNormally(f, v1);
2932	<	checkCompletedWithWrappedCFException(g, ex);
2932	>	checkCompletedExceptionally(g, ex);
2933		}}
2934
2935		/**
#	Line 2452 \| Line 2959 \| public class CompletableFutureTest exten
2959		checkCompletedWithWrappedCancellationException(h2);
2960		checkCompletedWithWrappedCancellationException(h3);
2961
2962	<	g.complete(v1);
2962	>	assertTrue(g.complete(v1));
2963
2964		// unspecified behavior - both source completions available
2965		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2496 \| Line 3003 \| public class CompletableFutureTest exten
3003
3004		final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3005		final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3006	<	f.complete(v1);
3006	>	assertTrue(f.complete(v1));
3007		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3008		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3009	<	checkCompletedWithWrappedCFException(h0);
3010	<	checkCompletedWithWrappedCFException(h1);
3011	<	checkCompletedWithWrappedCFException(h2);
3012	<	checkCompletedWithWrappedCFException(h3);
3009	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3010	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3011	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3012	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3013		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3014	<	g.complete(v2);
3014	>	assertTrue(g.complete(v2));
3015		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3016		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3017	<	checkCompletedWithWrappedCFException(h4);
3018	<	checkCompletedWithWrappedCFException(h5);
3017	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3018	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3019
3020		checkCompletedNormally(f, v1);
3021		checkCompletedNormally(g, v2);
#	Line 2525 \| Line 3032 \| public class CompletableFutureTest exten
3032		{
3033		final CompletableFuture<Integer> f = new CompletableFuture<>();
3034		final CompletableFutureInc r = new CompletableFutureInc(m);
3035	<	if (!createIncomplete) f.complete(v1);
3035	>	if (!createIncomplete) assertTrue(f.complete(v1));
3036		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3037	<	if (createIncomplete) f.complete(v1);
3037	>	if (createIncomplete) assertTrue(f.complete(v1));
3038
3039		checkCompletedNormally(g, inc(v1));
3040		checkCompletedNormally(f, v1);
3041	<	r.assertInvoked();
3041	>	r.assertValue(v1);
3042		}}
3043
3044		/**
#	Line 2549 \| Line 3056 \| public class CompletableFutureTest exten
3056		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3057		if (createIncomplete) f.completeExceptionally(ex);
3058
3059	<	checkCompletedWithWrappedCFException(g, ex);
3060	<	checkCompletedWithWrappedCFException(f, ex);
3059	>	checkCompletedWithWrappedException(g, ex);
3060	>	checkCompletedExceptionally(f, ex);
3061		r.assertNotInvoked();
3062		}}
3063
#	Line 2565 \| Line 3072 \| public class CompletableFutureTest exten
3072		final CompletableFuture<Integer> f = new CompletableFuture<>();
3073		final FailingCompletableFutureFunction r
3074		= new FailingCompletableFutureFunction(m);
3075	<	if (!createIncomplete) f.complete(v1);
3075	>	if (!createIncomplete) assertTrue(f.complete(v1));
3076		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3077	<	if (createIncomplete) f.complete(v1);
3077	>	if (createIncomplete) assertTrue(f.complete(v1));
3078
3079	<	checkCompletedWithWrappedCFException(g);
3079	>	checkCompletedWithWrappedException(g, r.ex);
3080		checkCompletedNormally(f, v1);
3081		}}
3082
#	Line 2594 \| Line 3101 \| public class CompletableFutureTest exten
3101		checkCancelled(f);
3102		}}
3103
3104	+	/**
3105	+	* thenCompose result completes exceptionally if the result of the action does
3106	+	*/
3107	+	public void testThenCompose_actionReturnsFailingFuture() {
3108	+	for (ExecutionMode m : ExecutionMode.values())
3109	+	for (int order = 0; order < 6; order++)
3110	+	for (Integer v1 : new Integer[] { 1, null })
3111	+	{
3112	+	final CFException ex = new CFException();
3113	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3114	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3115	+	final CompletableFuture<Integer> h;
3116	+	// Test all permutations of orders
3117	+	switch (order) {
3118	+	case 0:
3119	+	assertTrue(f.complete(v1));
3120	+	assertTrue(g.completeExceptionally(ex));
3121	+	h = m.thenCompose(f, x -> g);
3122	+	break;
3123	+	case 1:
3124	+	assertTrue(f.complete(v1));
3125	+	h = m.thenCompose(f, x -> g);
3126	+	assertTrue(g.completeExceptionally(ex));
3127	+	break;
3128	+	case 2:
3129	+	assertTrue(g.completeExceptionally(ex));
3130	+	assertTrue(f.complete(v1));
3131	+	h = m.thenCompose(f, x -> g);
3132	+	break;
3133	+	case 3:
3134	+	assertTrue(g.completeExceptionally(ex));
3135	+	h = m.thenCompose(f, x -> g);
3136	+	assertTrue(f.complete(v1));
3137	+	break;
3138	+	case 4:
3139	+	h = m.thenCompose(f, x -> g);
3140	+	assertTrue(f.complete(v1));
3141	+	assertTrue(g.completeExceptionally(ex));
3142	+	break;
3143	+	case 5:
3144	+	h = m.thenCompose(f, x -> g);
3145	+	assertTrue(f.complete(v1));
3146	+	assertTrue(g.completeExceptionally(ex));
3147	+	break;
3148	+	default: throw new AssertionError();
3149	+	}
3150	+
3151	+	checkCompletedExceptionally(g, ex);
3152	+	checkCompletedWithWrappedException(h, ex);
3153	+	checkCompletedNormally(f, v1);
3154	+	}}
3155	+
3156	+	/**
3157	+	* exceptionallyCompose result completes normally after normal
3158	+	* completion of source
3159	+	*/
3160	+	public void testExceptionallyCompose_normalCompletion() {
3161	+	for (ExecutionMode m : ExecutionMode.values())
3162	+	for (boolean createIncomplete : new boolean[] { true, false })
3163	+	for (Integer v1 : new Integer[] { 1, null })
3164	+	{
3165	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3166	+	final ExceptionalCompletableFutureFunction r =
3167	+	new ExceptionalCompletableFutureFunction(m);
3168	+	if (!createIncomplete) assertTrue(f.complete(v1));
3169	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3170	+	if (createIncomplete) assertTrue(f.complete(v1));
3171	+
3172	+	checkCompletedNormally(f, v1);
3173	+	checkCompletedNormally(g, v1);
3174	+	r.assertNotInvoked();
3175	+	}}
3176	+
3177	+	/**
3178	+	* exceptionallyCompose result completes normally after exceptional
3179	+	* completion of source
3180	+	*/
3181	+	public void testExceptionallyCompose_exceptionalCompletion() {
3182	+	for (ExecutionMode m : ExecutionMode.values())
3183	+	for (boolean createIncomplete : new boolean[] { true, false })
3184	+	{
3185	+	final CFException ex = new CFException();
3186	+	final ExceptionalCompletableFutureFunction r =
3187	+	new ExceptionalCompletableFutureFunction(m);
3188	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3189	+	if (!createIncomplete) f.completeExceptionally(ex);
3190	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3191	+	if (createIncomplete) f.completeExceptionally(ex);
3192	+
3193	+	checkCompletedExceptionally(f, ex);
3194	+	checkCompletedNormally(g, r.value);
3195	+	r.assertInvoked();
3196	+	}}
3197	+
3198	+	/**
3199	+	* exceptionallyCompose completes exceptionally on exception if action does
3200	+	*/
3201	+	public void testExceptionallyCompose_actionFailed() {
3202	+	for (ExecutionMode m : ExecutionMode.values())
3203	+	for (boolean createIncomplete : new boolean[] { true, false })
3204	+	{
3205	+	final CFException ex = new CFException();
3206	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3207	+	final FailingExceptionalCompletableFutureFunction r
3208	+	= new FailingExceptionalCompletableFutureFunction(m);
3209	+	if (!createIncomplete) f.completeExceptionally(ex);
3210	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3211	+	if (createIncomplete) f.completeExceptionally(ex);
3212	+
3213	+	checkCompletedExceptionally(f, ex);
3214	+	checkCompletedWithWrappedException(g, r.ex);
3215	+	r.assertInvoked();
3216	+	}}
3217	+
3218	+	/**
3219	+	* exceptionallyCompose result completes exceptionally if the
3220	+	* result of the action does
3221	+	*/
3222	+	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3223	+	for (ExecutionMode m : ExecutionMode.values())
3224	+	for (int order = 0; order < 6; order++)
3225	+	{
3226	+	final CFException ex0 = new CFException();
3227	+	final CFException ex = new CFException();
3228	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3229	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3230	+	final CompletableFuture<Integer> h;
3231	+	// Test all permutations of orders
3232	+	switch (order) {
3233	+	case 0:
3234	+	assertTrue(f.completeExceptionally(ex0));
3235	+	assertTrue(g.completeExceptionally(ex));
3236	+	h = m.exceptionallyCompose(f, x -> g);
3237	+	break;
3238	+	case 1:
3239	+	assertTrue(f.completeExceptionally(ex0));
3240	+	h = m.exceptionallyCompose(f, x -> g);
3241	+	assertTrue(g.completeExceptionally(ex));
3242	+	break;
3243	+	case 2:
3244	+	assertTrue(g.completeExceptionally(ex));
3245	+	assertTrue(f.completeExceptionally(ex0));
3246	+	h = m.exceptionallyCompose(f, x -> g);
3247	+	break;
3248	+	case 3:
3249	+	assertTrue(g.completeExceptionally(ex));
3250	+	h = m.exceptionallyCompose(f, x -> g);
3251	+	assertTrue(f.completeExceptionally(ex0));
3252	+	break;
3253	+	case 4:
3254	+	h = m.exceptionallyCompose(f, x -> g);
3255	+	assertTrue(f.completeExceptionally(ex0));
3256	+	assertTrue(g.completeExceptionally(ex));
3257	+	break;
3258	+	case 5:
3259	+	h = m.exceptionallyCompose(f, x -> g);
3260	+	assertTrue(f.completeExceptionally(ex0));
3261	+	assertTrue(g.completeExceptionally(ex));
3262	+	break;
3263	+	default: throw new AssertionError();
3264	+	}
3265	+
3266	+	checkCompletedExceptionally(g, ex);
3267	+	checkCompletedWithWrappedException(h, ex);
3268	+	checkCompletedExceptionally(f, ex0);
3269	+	}}
3270	+
3271		// other static methods
3272
3273		/**
#	Line 2610 \| Line 3284 \| public class CompletableFutureTest exten
3284		* when all components complete normally
3285		*/
3286		public void testAllOf_normal() throws Exception {
3287	<	for (int k = 1; k < 20; ++k) {
3287	>	for (int k = 1; k < 10; k++) {
3288		CompletableFuture<Integer>[] fs
3289		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3290	<	for (int i = 0; i < k; ++i)
3290	>	for (int i = 0; i < k; i++)
3291		fs[i] = new CompletableFuture<>();
3292		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3293	<	for (int i = 0; i < k; ++i) {
3293	>	for (int i = 0; i < k; i++) {
3294		checkIncomplete(f);
3295		checkIncomplete(CompletableFuture.allOf(fs));
3296		fs[i].complete(one);
#	Line 2626 \| Line 3300 \| public class CompletableFutureTest exten
3300		}
3301		}
3302
3303	<	public void testAllOf_backwards() throws Exception {
3304	<	for (int k = 1; k < 20; ++k) {
3303	>	public void testAllOf_normal_backwards() throws Exception {
3304	>	for (int k = 1; k < 10; k++) {
3305		CompletableFuture<Integer>[] fs
3306		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3307	<	for (int i = 0; i < k; ++i)
3307	>	for (int i = 0; i < k; i++)
3308		fs[i] = new CompletableFuture<>();
3309		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3310		for (int i = k - 1; i >= 0; i--) {
#	Line 2643 \| Line 3317 \| public class CompletableFutureTest exten
3317		}
3318		}
3319
3320	+	public void testAllOf_exceptional() throws Exception {
3321	+	for (int k = 1; k < 10; k++) {
3322	+	CompletableFuture<Integer>[] fs
3323	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3324	+	CFException ex = new CFException();
3325	+	for (int i = 0; i < k; i++)
3326	+	fs[i] = new CompletableFuture<>();
3327	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3328	+	for (int i = 0; i < k; i++) {
3329	+	checkIncomplete(f);
3330	+	checkIncomplete(CompletableFuture.allOf(fs));
3331	+	if (i != k / 2) {
3332	+	fs[i].complete(i);
3333	+	checkCompletedNormally(fs[i], i);
3334	+	} else {
3335	+	fs[i].completeExceptionally(ex);
3336	+	checkCompletedExceptionally(fs[i], ex);
3337	+	}
3338	+	}
3339	+	checkCompletedWithWrappedException(f, ex);
3340	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3341	+	}
3342	+	}
3343	+
3344		/**
3345		* anyOf(no component futures) returns an incomplete future
3346		*/
3347		public void testAnyOf_empty() throws Exception {
3348	+	for (Integer v1 : new Integer[] { 1, null })
3349	+	{
3350		CompletableFuture<Object> f = CompletableFuture.anyOf();
3351		checkIncomplete(f);
3352	<	}
3352	>
3353	>	f.complete(v1);
3354	>	checkCompletedNormally(f, v1);
3355	>	}}
3356
3357		/**
3358		* anyOf returns a future completed normally with a value when
3359		* a component future does
3360		*/
3361		public void testAnyOf_normal() throws Exception {
3362	<	for (int k = 0; k < 10; ++k) {
3362	>	for (int k = 0; k < 10; k++) {
3363		CompletableFuture[] fs = new CompletableFuture[k];
3364	<	for (int i = 0; i < k; ++i)
3364	>	for (int i = 0; i < k; i++)
3365		fs[i] = new CompletableFuture<>();
3366		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3367		checkIncomplete(f);
3368	<	for (int i = 0; i < k; ++i) {
3369	<	fs[i].complete(one);
3370	<	checkCompletedNormally(f, one);
3371	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3368	>	for (int i = 0; i < k; i++) {
3369	>	fs[i].complete(i);
3370	>	checkCompletedNormally(f, 0);
3371	>	int x = (int) CompletableFuture.anyOf(fs).join();
3372	>	assertTrue(0 <= x && x <= i);
3373	>	}
3374	>	}
3375	>	}
3376	>	public void testAnyOf_normal_backwards() throws Exception {
3377	>	for (int k = 0; k < 10; k++) {
3378	>	CompletableFuture[] fs = new CompletableFuture[k];
3379	>	for (int i = 0; i < k; i++)
3380	>	fs[i] = new CompletableFuture<>();
3381	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3382	>	checkIncomplete(f);
3383	>	for (int i = k - 1; i >= 0; i--) {
3384	>	fs[i].complete(i);
3385	>	checkCompletedNormally(f, k - 1);
3386	>	int x = (int) CompletableFuture.anyOf(fs).join();
3387	>	assertTrue(i <= x && x <= k - 1);
3388		}
3389		}
3390		}
#	Line 2674 \| Line 3393 \| public class CompletableFutureTest exten
3393		* anyOf result completes exceptionally when any component does.
3394		*/
3395		public void testAnyOf_exceptional() throws Exception {
3396	<	for (int k = 0; k < 10; ++k) {
3396	>	for (int k = 0; k < 10; k++) {
3397		CompletableFuture[] fs = new CompletableFuture[k];
3398	<	for (int i = 0; i < k; ++i)
3398	>	CFException[] exs = new CFException[k];
3399	>	for (int i = 0; i < k; i++) {
3400		fs[i] = new CompletableFuture<>();
3401	+	exs[i] = new CFException();
3402	+	}
3403	+	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3404	+	checkIncomplete(f);
3405	+	for (int i = 0; i < k; i++) {
3406	+	fs[i].completeExceptionally(exs[i]);
3407	+	checkCompletedWithWrappedException(f, exs[0]);
3408	+	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3409	+	}
3410	+	}
3411	+	}
3412	+
3413	+	public void testAnyOf_exceptional_backwards() throws Exception {
3414	+	for (int k = 0; k < 10; k++) {
3415	+	CompletableFuture[] fs = new CompletableFuture[k];
3416	+	CFException[] exs = new CFException[k];
3417	+	for (int i = 0; i < k; i++) {
3418	+	fs[i] = new CompletableFuture<>();
3419	+	exs[i] = new CFException();
3420	+	}
3421		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3422		checkIncomplete(f);
3423	<	for (int i = 0; i < k; ++i) {
3424	<	fs[i].completeExceptionally(new CFException());
3425	<	checkCompletedWithWrappedCFException(f);
3423	>	for (int i = k - 1; i >= 0; i--) {
3424	>	fs[i].completeExceptionally(exs[i]);
3425	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3426		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3427		}
3428		}
#	Line 2691 \| Line 3431 \| public class CompletableFutureTest exten
3431		/**
3432		* Completion methods throw NullPointerException with null arguments
3433		*/
3434	+	@SuppressWarnings("FutureReturnValueIgnored")
3435		public void testNPE() {
3436		CompletableFuture<Integer> f = new CompletableFuture<>();
3437		CompletableFuture<Integer> g = new CompletableFuture<>();
3438		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2698	–	CompletableFuture<?> h;
3439		ThreadExecutor exec = new ThreadExecutor();
3440
3441	<	Runnable[] throwingActions = {
3441	>	assertThrows(
3442	>	NullPointerException.class,
3443	>
3444		() -> CompletableFuture.supplyAsync(null),
3445		() -> CompletableFuture.supplyAsync(null, exec),
3446	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3446	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3447
3448		() -> CompletableFuture.runAsync(null),
3449		() -> CompletableFuture.runAsync(null, exec),
#	Line 2711 \| Line 3453 \| public class CompletableFutureTest exten
3453
3454		() -> f.thenApply(null),
3455		() -> f.thenApplyAsync(null),
3456	<	() -> f.thenApplyAsync((x) -> x, null),
3456	>	() -> f.thenApplyAsync(x -> x, null),
3457		() -> f.thenApplyAsync(null, exec),
3458
3459		() -> f.thenAccept(null),
3460		() -> f.thenAcceptAsync(null),
3461	<	() -> f.thenAcceptAsync((x) -> {} , null),
3461	>	() -> f.thenAcceptAsync(x -> {} , null),
3462		() -> f.thenAcceptAsync(null, exec),
3463
3464		() -> f.thenRun(null),
#	Line 2751 \| Line 3493 \| public class CompletableFutureTest exten
3493		() -> f.applyToEither(g, null),
3494		() -> f.applyToEitherAsync(g, null),
3495		() -> f.applyToEitherAsync(g, null, exec),
3496	<	() -> f.applyToEither(nullFuture, (x) -> x),
3497	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3498	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3499	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3496	>	() -> f.applyToEither(nullFuture, x -> x),
3497	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3498	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3499	>	() -> f.applyToEitherAsync(g, x -> x, null),
3500
3501		() -> f.acceptEither(g, null),
3502		() -> f.acceptEitherAsync(g, null),
3503		() -> f.acceptEitherAsync(g, null, exec),
3504	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3505	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3506	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3507	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3504	>	() -> f.acceptEither(nullFuture, x -> {}),
3505	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3506	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3507	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3508
3509		() -> f.runAfterEither(g, null),
3510		() -> f.runAfterEitherAsync(g, null),
#	Line 2792 \| Line 3534 \| public class CompletableFutureTest exten
3534		() -> CompletableFuture.anyOf(null, f),
3535
3536		() -> f.obtrudeException(null),
2795	–	};
3537
3538	<	assertThrows(NullPointerException.class, throwingActions);
3538	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3539	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3540	>	() -> CompletableFuture.delayedExecutor(1L, null),
3541	>
3542	>	() -> f.orTimeout(1L, null),
3543	>	() -> f.completeOnTimeout(42, 1L, null),
3544	>
3545	>	() -> CompletableFuture.failedFuture(null),
3546	>	() -> CompletableFuture.failedStage(null));
3547	>
3548		assertEquals(0, exec.count.get());
3549		}
3550
3551		/**
3552	+	* Test submissions to an executor that rejects all tasks.
3553	+	*/
3554	+	public void testRejectingExecutor() {
3555	+	for (Integer v : new Integer[] { 1, null })
3556	+	{
3557	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3558	+
3559	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3560	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3561	+
3562	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3563	+
3564	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3565	+	srcs.add(complete);
3566	+	srcs.add(incomplete);
3567	+
3568	+	for (CompletableFuture<Integer> src : srcs) {
3569	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3570	+	fs.add(src.thenRunAsync(() -> {}, e));
3571	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3572	+	fs.add(src.thenApplyAsync(z -> z, e));
3573	+
3574	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3575	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3576	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3577	+
3578	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3579	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3580	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3581	+
3582	+	fs.add(src.thenComposeAsync(z -> null, e));
3583	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3584	+	fs.add(src.handleAsync((z, t) -> null, e));
3585	+
3586	+	for (CompletableFuture<?> future : fs) {
3587	+	if (src.isDone())
3588	+	checkCompletedWithWrappedException(future, e.ex);
3589	+	else
3590	+	checkIncomplete(future);
3591	+	}
3592	+	futures.addAll(fs);
3593	+	}
3594	+
3595	+	{
3596	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3597	+
3598	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3599	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3600	+
3601	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3602	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3603	+
3604	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3605	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3606	+
3607	+	for (CompletableFuture<?> future : fs)
3608	+	checkIncomplete(future);
3609	+	futures.addAll(fs);
3610	+	}
3611	+
3612	+	{
3613	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3614	+
3615	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3616	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3617	+
3618	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3619	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3620	+
3621	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3622	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3623	+
3624	+	for (CompletableFuture<?> future : fs)
3625	+	checkCompletedWithWrappedException(future, e.ex);
3626	+	futures.addAll(fs);
3627	+	}
3628	+
3629	+	incomplete.complete(v);
3630	+
3631	+	for (CompletableFuture<?> future : futures)
3632	+	checkCompletedWithWrappedException(future, e.ex);
3633	+
3634	+	assertEquals(futures.size(), e.count.get());
3635	+	}}
3636	+
3637	+	/**
3638	+	* Test submissions to an executor that rejects all tasks, but
3639	+	* should never be invoked because the dependent future is
3640	+	* explicitly completed.
3641	+	*/
3642	+	public void testRejectingExecutorNeverInvoked() {
3643	+	for (Integer v : new Integer[] { 1, null })
3644	+	{
3645	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3646	+
3647	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3648	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3649	+
3650	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3651	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3652	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3653	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3654	+
3655	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3656	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3657	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3658	+
3659	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3660	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3661	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3662	+
3663	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3664	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3665	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3666	+
3667	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3668	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3669	+
3670	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3671	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3672	+
3673	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3674	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3675	+
3676	+	for (CompletableFuture<?> future : fs)
3677	+	checkIncomplete(future);
3678	+
3679	+	for (CompletableFuture<?> future : fs)
3680	+	future.complete(null);
3681	+
3682	+	incomplete.complete(v);
3683	+
3684	+	for (CompletableFuture<?> future : fs)
3685	+	checkCompletedNormally(future, null);
3686	+
3687	+	assertEquals(0, e.count.get());
3688	+	}}
3689	+
3690	+	/**
3691		* toCompletableFuture returns this CompletableFuture.
3692		*/
3693		public void testToCompletableFuture() {
#	Line 2806 \| Line 3695 \| public class CompletableFutureTest exten
3695		assertSame(f, f.toCompletableFuture());
3696		}
3697
3698	+	// jdk9
3699	+
3700		/**
3701	<	* whenComplete action executes on normal completion, propagating
3702	<	* source result.
3701	>	* newIncompleteFuture returns an incomplete CompletableFuture
3702	>	*/
3703	>	public void testNewIncompleteFuture() {
3704	>	for (Integer v1 : new Integer[] { 1, null })
3705	>	{
3706	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3707	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3708	>	checkIncomplete(f);
3709	>	checkIncomplete(g);
3710	>	f.complete(v1);
3711	>	checkCompletedNormally(f, v1);
3712	>	checkIncomplete(g);
3713	>	g.complete(v1);
3714	>	checkCompletedNormally(g, v1);
3715	>	assertSame(g.getClass(), CompletableFuture.class);
3716	>	}}
3717	>
3718	>	/**
3719	>	* completedStage returns a completed CompletionStage
3720		*/
3721	<	public void testWhenComplete_normalCompletion1() {
3721	>	public void testCompletedStage() {
3722	>	AtomicInteger x = new AtomicInteger(0);
3723	>	AtomicReference<Throwable> r = new AtomicReference<>();
3724	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3725	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3726	>	assertEquals(x.get(), 1);
3727	>	assertNull(r.get());
3728	>	}
3729	>
3730	>	/**
3731	>	* defaultExecutor by default returns the commonPool if
3732	>	* it supports more than one thread.
3733	>	*/
3734	>	public void testDefaultExecutor() {
3735	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3736	>	Executor e = f.defaultExecutor();
3737	>	Executor c = ForkJoinPool.commonPool();
3738	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3739	>	assertSame(e, c);
3740	>	else
3741	>	assertNotSame(e, c);
3742	>	}
3743	>
3744	>	/**
3745	>	* failedFuture returns a CompletableFuture completed
3746	>	* exceptionally with the given Exception
3747	>	*/
3748	>	public void testFailedFuture() {
3749	>	CFException ex = new CFException();
3750	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3751	>	checkCompletedExceptionally(f, ex);
3752	>	}
3753	>
3754	>	/**
3755	>	* failedFuture(null) throws NPE
3756	>	*/
3757	>	public void testFailedFuture_null() {
3758	>	try {
3759	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3760	>	shouldThrow();
3761	>	} catch (NullPointerException success) {}
3762	>	}
3763	>
3764	>	/**
3765	>	* copy returns a CompletableFuture that is completed normally,
3766	>	* with the same value, when source is.
3767	>	*/
3768	>	public void testCopy_normalCompletion() {
3769	>	for (boolean createIncomplete : new boolean[] { true, false })
3770	>	for (Integer v1 : new Integer[] { 1, null })
3771	>	{
3772	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3773	>	if (!createIncomplete) assertTrue(f.complete(v1));
3774	>	CompletableFuture<Integer> g = f.copy();
3775	>	if (createIncomplete) {
3776	>	checkIncomplete(f);
3777	>	checkIncomplete(g);
3778	>	assertTrue(f.complete(v1));
3779	>	}
3780	>	checkCompletedNormally(f, v1);
3781	>	checkCompletedNormally(g, v1);
3782	>	}}
3783	>
3784	>	/**
3785	>	* copy returns a CompletableFuture that is completed exceptionally
3786	>	* when source is.
3787	>	*/
3788	>	public void testCopy_exceptionalCompletion() {
3789	>	for (boolean createIncomplete : new boolean[] { true, false })
3790	>	{
3791	>	CFException ex = new CFException();
3792	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3793	>	if (!createIncomplete) f.completeExceptionally(ex);
3794	>	CompletableFuture<Integer> g = f.copy();
3795	>	if (createIncomplete) {
3796	>	checkIncomplete(f);
3797	>	checkIncomplete(g);
3798	>	f.completeExceptionally(ex);
3799	>	}
3800	>	checkCompletedExceptionally(f, ex);
3801	>	checkCompletedWithWrappedException(g, ex);
3802	>	}}
3803	>
3804	>	/**
3805	>	* Completion of a copy does not complete its source.
3806	>	*/
3807	>	public void testCopy_oneWayPropagation() {
3808	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3809	>	assertTrue(f.copy().complete(1));
3810	>	assertTrue(f.copy().complete(null));
3811	>	assertTrue(f.copy().cancel(true));
3812	>	assertTrue(f.copy().cancel(false));
3813	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3814	>	checkIncomplete(f);
3815	>	}
3816	>
3817	>	/**
3818	>	* minimalCompletionStage returns a CompletableFuture that is
3819	>	* completed normally, with the same value, when source is.
3820	>	*/
3821	>	public void testMinimalCompletionStage() {
3822	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3823	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3824	>	AtomicInteger x = new AtomicInteger(0);
3825	>	AtomicReference<Throwable> r = new AtomicReference<>();
3826	>	checkIncomplete(f);
3827	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3828	>	f.complete(1);
3829	>	checkCompletedNormally(f, 1);
3830	>	assertEquals(x.get(), 1);
3831	>	assertNull(r.get());
3832	>	}
3833	>
3834	>	/**
3835	>	* minimalCompletionStage returns a CompletableFuture that is
3836	>	* completed exceptionally when source is.
3837	>	*/
3838	>	public void testMinimalCompletionStage2() {
3839	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3840	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3841	>	AtomicInteger x = new AtomicInteger(0);
3842	>	AtomicReference<Throwable> r = new AtomicReference<>();
3843	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3844	>	checkIncomplete(f);
3845	>	CFException ex = new CFException();
3846	>	f.completeExceptionally(ex);
3847	>	checkCompletedExceptionally(f, ex);
3848	>	assertEquals(x.get(), 0);
3849	>	assertEquals(r.get().getCause(), ex);
3850	>	}
3851	>
3852	>	/**
3853	>	* failedStage returns a CompletionStage completed
3854	>	* exceptionally with the given Exception
3855	>	*/
3856	>	public void testFailedStage() {
3857	>	CFException ex = new CFException();
3858	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3859	>	AtomicInteger x = new AtomicInteger(0);
3860	>	AtomicReference<Throwable> r = new AtomicReference<>();
3861	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3862	>	assertEquals(x.get(), 0);
3863	>	assertEquals(r.get(), ex);
3864	>	}
3865	>
3866	>	/**
3867	>	* completeAsync completes with value of given supplier
3868	>	*/
3869	>	public void testCompleteAsync() {
3870	>	for (Integer v1 : new Integer[] { 1, null })
3871	>	{
3872	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3873	>	f.completeAsync(() -> v1);
3874	>	f.join();
3875	>	checkCompletedNormally(f, v1);
3876	>	}}
3877	>
3878	>	/**
3879	>	* completeAsync completes exceptionally if given supplier throws
3880	>	*/
3881	>	public void testCompleteAsync2() {
3882	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3883	>	CFException ex = new CFException();
3884	>	f.completeAsync(() -> { throw ex; });
3885	>	try {
3886	>	f.join();
3887	>	shouldThrow();
3888	>	} catch (CompletionException success) {}
3889	>	checkCompletedWithWrappedException(f, ex);
3890	>	}
3891	>
3892	>	/**
3893	>	* completeAsync with given executor completes with value of given supplier
3894	>	*/
3895	>	public void testCompleteAsync3() {
3896	>	for (Integer v1 : new Integer[] { 1, null })
3897	>	{
3898	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3899	>	ThreadExecutor executor = new ThreadExecutor();
3900	>	f.completeAsync(() -> v1, executor);
3901	>	assertSame(v1, f.join());
3902	>	checkCompletedNormally(f, v1);
3903	>	assertEquals(1, executor.count.get());
3904	>	}}
3905	>
3906	>	/**
3907	>	* completeAsync with given executor completes exceptionally if
3908	>	* given supplier throws
3909	>	*/
3910	>	public void testCompleteAsync4() {
3911	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3912	>	CFException ex = new CFException();
3913	>	ThreadExecutor executor = new ThreadExecutor();
3914	>	f.completeAsync(() -> { throw ex; }, executor);
3915	>	try {
3916	>	f.join();
3917	>	shouldThrow();
3918	>	} catch (CompletionException success) {}
3919	>	checkCompletedWithWrappedException(f, ex);
3920	>	assertEquals(1, executor.count.get());
3921	>	}
3922	>
3923	>	/**
3924	>	* orTimeout completes with TimeoutException if not complete
3925	>	*/
3926	>	public void testOrTimeout_timesOut() {
3927	>	long timeoutMillis = timeoutMillis();
3928	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3929	>	long startTime = System.nanoTime();
3930	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3931	>	checkCompletedWithTimeoutException(f);
3932	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3933	>	}
3934	>
3935	>	/**
3936	>	* orTimeout completes normally if completed before timeout
3937	>	*/
3938	>	public void testOrTimeout_completed() {
3939	>	for (Integer v1 : new Integer[] { 1, null })
3940	>	{
3941	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3942	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3943	>	long startTime = System.nanoTime();
3944	>	f.complete(v1);
3945	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3946	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3947	>	g.complete(v1);
3948	>	checkCompletedNormally(f, v1);
3949	>	checkCompletedNormally(g, v1);
3950	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3951	>	}}
3952	>
3953	>	/**
3954	>	* completeOnTimeout completes with given value if not complete
3955	>	*/
3956	>	public void testCompleteOnTimeout_timesOut() {
3957	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3958	>	() -> testCompleteOnTimeout_timesOut(null));
3959	>	}
3960	>
3961	>	/**
3962	>	* completeOnTimeout completes with given value if not complete
3963	>	*/
3964	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3965	>	long timeoutMillis = timeoutMillis();
3966	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3967	>	long startTime = System.nanoTime();
3968	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3969	>	assertSame(v, f.join());
3970	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3971	>	f.complete(99); // should have no effect
3972	>	checkCompletedNormally(f, v);
3973	>	}
3974	>
3975	>	/**
3976	>	* completeOnTimeout has no effect if completed within timeout
3977	>	*/
3978	>	public void testCompleteOnTimeout_completed() {
3979	>	for (Integer v1 : new Integer[] { 1, null })
3980	>	{
3981	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3982	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3983	>	long startTime = System.nanoTime();
3984	>	f.complete(v1);
3985	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3986	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3987	>	g.complete(v1);
3988	>	checkCompletedNormally(f, v1);
3989	>	checkCompletedNormally(g, v1);
3990	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3991	>	}}
3992	>
3993	>	/**
3994	>	* delayedExecutor returns an executor that delays submission
3995	>	*/
3996	>	public void testDelayedExecutor() {
3997	>	testInParallel(() -> testDelayedExecutor(null, null),
3998	>	() -> testDelayedExecutor(null, 1),
3999	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
4000	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
4001	>	}
4002	>
4003	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
4004	>	long timeoutMillis = timeoutMillis();
4005	>	// Use an "unreasonably long" long timeout to catch lingering threads
4006	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
4007	>	final Executor delayer, longDelayer;
4008	>	if (executor == null) {
4009	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
4010	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
4011	>	} else {
4012	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
4013	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
4014	>	}
4015	>	long startTime = System.nanoTime();
4016	>	CompletableFuture<Integer> f =
4017	>	CompletableFuture.supplyAsync(() -> v, delayer);
4018	>	CompletableFuture<Integer> g =
4019	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
4020	>
4021	>	assertNull(g.getNow(null));
4022	>
4023	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
4024	>	long millisElapsed = millisElapsedSince(startTime);
4025	>	assertTrue(millisElapsed >= timeoutMillis);
4026	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
4027	>
4028	>	checkCompletedNormally(f, v);
4029	>
4030	>	checkIncomplete(g);
4031	>	assertTrue(g.cancel(true));
4032	>	}
4033	>
4034	>	//--- tests of implementation details; not part of official tck ---
4035	>
4036	>	Object resultOf(CompletableFuture<?> f) {
4037	>	SecurityManager sm = System.getSecurityManager();
4038	>	if (sm != null) {
4039	>	try {
4040	>	System.setSecurityManager(null);
4041	>	} catch (SecurityException giveUp) {
4042	>	return "Reflection not available";
4043	>	}
4044	>	}
4045	>
4046	>	try {
4047	>	java.lang.reflect.Field resultField
4048	>	= CompletableFuture.class.getDeclaredField("result");
4049	>	resultField.setAccessible(true);
4050	>	return resultField.get(f);
4051	>	} catch (Throwable t) {
4052	>	throw new AssertionError(t);
4053	>	} finally {
4054	>	if (sm != null) System.setSecurityManager(sm);
4055	>	}
4056	>	}
4057	>
4058	>	public void testExceptionPropagationReusesResultObject() {
4059	>	if (!testImplementationDetails) return;
4060		for (ExecutionMode m : ExecutionMode.values())
4061	+	{
4062	+	final CFException ex = new CFException();
4063	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4064	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4065	+
4066	+	final Runnable noopRunnable = new Noop(m);
4067	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4068	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
4069	+
4070	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4071	+	= new ArrayList<>();
4072	+
4073	+	funs.add(y -> m.thenRun(y, noopRunnable));
4074	+	funs.add(y -> m.thenAccept(y, noopConsumer));
4075	+	funs.add(y -> m.thenApply(y, incFunction));
4076	+
4077	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4078	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4079	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4080	+
4081	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4082	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4083	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4084	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4085	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4086	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4087	+
4088	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4089	+
4090	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4091	+
4092	+	funs.add(y -> CompletableFuture.allOf(y));
4093	+	funs.add(y -> CompletableFuture.allOf(y, v42));
4094	+	funs.add(y -> CompletableFuture.allOf(v42, y));
4095	+	funs.add(y -> CompletableFuture.anyOf(y));
4096	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4097	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4098	+
4099	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4100	+	fun : funs) {
4101	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4102	+	f.completeExceptionally(ex);
4103	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4104	+	checkCompletedWithWrappedException(src, ex);
4105	+	CompletableFuture<?> dep = fun.apply(src);
4106	+	checkCompletedWithWrappedException(dep, ex);
4107	+	assertSame(resultOf(src), resultOf(dep));
4108	+	}
4109	+
4110	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4111	+	fun : funs) {
4112	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4113	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4114	+	CompletableFuture<?> dep = fun.apply(src);
4115	+	f.completeExceptionally(ex);
4116	+	checkCompletedWithWrappedException(src, ex);
4117	+	checkCompletedWithWrappedException(dep, ex);
4118	+	assertSame(resultOf(src), resultOf(dep));
4119	+	}
4120	+
4121	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4122	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4123	+	fun : funs) {
4124	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4125	+	f.cancel(mayInterruptIfRunning);
4126	+	checkCancelled(f);
4127	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4128	+	checkCompletedWithWrappedCancellationException(src);
4129	+	CompletableFuture<?> dep = fun.apply(src);
4130	+	checkCompletedWithWrappedCancellationException(dep);
4131	+	assertSame(resultOf(src), resultOf(dep));
4132	+	}
4133	+
4134	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4135	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4136	+	fun : funs) {
4137	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4138	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4139	+	CompletableFuture<?> dep = fun.apply(src);
4140	+	f.cancel(mayInterruptIfRunning);
4141	+	checkCancelled(f);
4142	+	checkCompletedWithWrappedCancellationException(src);
4143	+	checkCompletedWithWrappedCancellationException(dep);
4144	+	assertSame(resultOf(src), resultOf(dep));
4145	+	}
4146	+	}}
4147	+
4148	+	/**
4149	+	* Minimal completion stages throw UOE for most non-CompletionStage methods
4150	+	*/
4151	+	public void testMinimalCompletionStage_minimality() {
4152	+	if (!testImplementationDetails) return;
4153	+	Function<Method, String> toSignature =
4154	+	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4155	+	Predicate<Method> isNotStatic =
4156	+	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4157	+	List<Method> minimalMethods =
4158	+	Stream.of(Object.class, CompletionStage.class)
4159	+	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4160	+	.filter(isNotStatic)
4161	+	.collect(Collectors.toList());
4162	+	// Methods from CompletableFuture permitted NOT to throw UOE
4163	+	String[] signatureWhitelist = {
4164	+	"newIncompleteFuture[]",
4165	+	"defaultExecutor[]",
4166	+	"minimalCompletionStage[]",
4167	+	"copy[]",
4168	+	};
4169	+	Set<String> permittedMethodSignatures =
4170	+	Stream.concat(minimalMethods.stream().map(toSignature),
4171	+	Stream.of(signatureWhitelist))
4172	+	.collect(Collectors.toSet());
4173	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4174	+	.filter(isNotStatic)
4175	+	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4176	+	.collect(Collectors.toList());
4177	+
4178	+	List<CompletionStage<Integer>> stages = new ArrayList<>();
4179	+	CompletionStage<Integer> min =
4180	+	new CompletableFuture<Integer>().minimalCompletionStage();
4181	+	stages.add(min);
4182	+	stages.add(min.thenApply(x -> x));
4183	+	stages.add(CompletableFuture.completedStage(1));
4184	+	stages.add(CompletableFuture.failedStage(new CFException()));
4185	+
4186	+	List<Method> bugs = new ArrayList<>();
4187	+	for (Method method : allMethods) {
4188	+	Class<?>[] parameterTypes = method.getParameterTypes();
4189	+	Object[] args = new Object[parameterTypes.length];
4190	+	// Manufacture boxed primitives for primitive params
4191	+	for (int i = 0; i < args.length; i++) {
4192	+	Class<?> type = parameterTypes[i];
4193	+	if (parameterTypes[i] == boolean.class)
4194	+	args[i] = false;
4195	+	else if (parameterTypes[i] == int.class)
4196	+	args[i] = 0;
4197	+	else if (parameterTypes[i] == long.class)
4198	+	args[i] = 0L;
4199	+	}
4200	+	for (CompletionStage<Integer> stage : stages) {
4201	+	try {
4202	+	method.invoke(stage, args);
4203	+	bugs.add(method);
4204	+	}
4205	+	catch (java.lang.reflect.InvocationTargetException expected) {
4206	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4207	+	bugs.add(method);
4208	+	// expected.getCause().printStackTrace();
4209	+	}
4210	+	}
4211	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4212	+	}
4213	+	}
4214	+	if (!bugs.isEmpty())
4215	+	throw new Error("Methods did not throw UOE: " + bugs);
4216	+	}
4217	+
4218	+	/**
4219	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4220	+	* is completed normally, with the same value, when source is.
4221	+	*/
4222	+	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4223	+	for (boolean createIncomplete : new boolean[] { true, false })
4224	+	for (Integer v1 : new Integer[] { 1, null })
4225	+	{
4226	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4227	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4228	+	if (!createIncomplete) assertTrue(f.complete(v1));
4229	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4230	+	if (createIncomplete) {
4231	+	checkIncomplete(f);
4232	+	checkIncomplete(g);
4233	+	assertTrue(f.complete(v1));
4234	+	}
4235	+	checkCompletedNormally(f, v1);
4236	+	checkCompletedNormally(g, v1);
4237	+	}}
4238	+
4239	+	/**
4240	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4241	+	* is completed exceptionally when source is.
4242	+	*/
4243	+	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4244	+	for (boolean createIncomplete : new boolean[] { true, false })
4245	+	{
4246	+	CFException ex = new CFException();
4247	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4248	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4249	+	if (!createIncomplete) f.completeExceptionally(ex);
4250	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4251	+	if (createIncomplete) {
4252	+	checkIncomplete(f);
4253	+	checkIncomplete(g);
4254	+	f.completeExceptionally(ex);
4255	+	}
4256	+	checkCompletedExceptionally(f, ex);
4257	+	checkCompletedWithWrappedException(g, ex);
4258	+	}}
4259	+
4260	+	/**
4261	+	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4262	+	*/
4263	+	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4264	+	for (Integer v1 : new Integer[] { 1, null })
4265	+	{
4266	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4267	+	CompletionStage minimal = f.minimalCompletionStage();
4268	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4269	+	assertTrue(g.complete(v1));
4270	+	checkCompletedNormally(g, v1);
4271	+	checkIncomplete(f);
4272	+	checkIncomplete(minimal.toCompletableFuture());
4273	+	}}
4274	+
4275	+	/**
4276	+	* minimalStage.toCompletableFuture().join() awaits completion
4277	+	*/
4278	+	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4279		for (boolean createIncomplete : new boolean[] { true, false })
4280		for (Integer v1 : new Integer[] { 1, null })
4281		{
4282	<	final AtomicInteger a = new AtomicInteger(0);
4282	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4283	>	if (!createIncomplete) assertTrue(f.complete(v1));
4284	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4285	>	if (createIncomplete) assertTrue(f.complete(v1));
4286	>	assertEquals(v1, minimal.toCompletableFuture().join());
4287	>	assertEquals(v1, minimal.toCompletableFuture().get());
4288	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4289	>	}}
4290	>
4291	>	/**
4292	>	* Completion of a toCompletableFuture copy of a minimal stage
4293	>	* does not complete its source.
4294	>	*/
4295	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4296	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4297	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4298	>	assertTrue(g.toCompletableFuture().complete(1));
4299	>	assertTrue(g.toCompletableFuture().complete(null));
4300	>	assertTrue(g.toCompletableFuture().cancel(true));
4301	>	assertTrue(g.toCompletableFuture().cancel(false));
4302	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4303	>	checkIncomplete(g.toCompletableFuture());
4304	>	f.complete(1);
4305	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4306	>	}
4307	>
4308	>	/** Demo utility method for external reliable toCompletableFuture */
4309	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4310	>	CompletableFuture<T> f = new CompletableFuture<>();
4311	>	stage.handle((T t, Throwable ex) -> {
4312	>	if (ex != null) f.completeExceptionally(ex);
4313	>	else f.complete(t);
4314	>	return null;
4315	>	});
4316	>	return f;
4317	>	}
4318	>
4319	>	/** Demo utility method to join a CompletionStage */
4320	>	static <T> T join(CompletionStage<T> stage) {
4321	>	return toCompletableFuture(stage).join();
4322	>	}
4323	>
4324	>	/**
4325	>	* Joining a minimal stage "by hand" works
4326	>	*/
4327	>	public void testMinimalCompletionStage_join_by_hand() {
4328	>	for (boolean createIncomplete : new boolean[] { true, false })
4329	>	for (Integer v1 : new Integer[] { 1, null })
4330	>	{
4331	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4332	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4333	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4334	>	if (!createIncomplete) assertTrue(f.complete(v1));
4335	>	minimal.thenAccept(x -> g.complete(x));
4336	>	if (createIncomplete) assertTrue(f.complete(v1));
4337	>	g.join();
4338	>	checkCompletedNormally(g, v1);
4339	>	checkCompletedNormally(f, v1);
4340	>	assertEquals(v1, join(minimal));
4341	>	}}
4342	>
4343	>	static class Monad {
4344	>	static class ZeroException extends RuntimeException {
4345	>	public ZeroException() { super("monadic zero"); }
4346	>	}
4347	>	// "return", "unit"
4348	>	static <T> CompletableFuture<T> unit(T value) {
4349	>	return completedFuture(value);
4350	>	}
4351	>	// monadic zero ?
4352	>	static <T> CompletableFuture<T> zero() {
4353	>	return failedFuture(new ZeroException());
4354	>	}
4355	>	// >=>
4356	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4357	>	(Function<T, CompletableFuture<U>> f,
4358	>	Function<U, CompletableFuture<V>> g) {
4359	>	return x -> f.apply(x).thenCompose(g);
4360	>	}
4361	>
4362	>	static void assertZero(CompletableFuture<?> f) {
4363	>	try {
4364	>	f.getNow(null);
4365	>	throw new AssertionError("should throw");
4366	>	} catch (CompletionException success) {
4367	>	assertTrue(success.getCause() instanceof ZeroException);
4368	>	}
4369	>	}
4370	>
4371	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4372	>	CompletableFuture<T> g) {
4373	>	T fval = null, gval = null;
4374	>	Throwable fex = null, gex = null;
4375	>
4376	>	try { fval = f.get(); }
4377	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4378	>	catch (Throwable ex) { fex = ex; }
4379	>
4380	>	try { gval = g.get(); }
4381	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4382	>	catch (Throwable ex) { gex = ex; }
4383	>
4384	>	if (fex != null \|\| gex != null)
4385	>	assertSame(fex.getClass(), gex.getClass());
4386	>	else
4387	>	assertEquals(fval, gval);
4388	>	}
4389	>
4390	>	static class PlusFuture<T> extends CompletableFuture<T> {
4391	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4392	>	}
4393	>
4394	>	/** Implements "monadic plus". */
4395	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4396	>	CompletableFuture<? extends T> g) {
4397	>	PlusFuture<T> plus = new PlusFuture<T>();
4398	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4399	>	try {
4400	>	if (ex == null) {
4401	>	if (plus.complete(result))
4402	>	if (plus.firstFailure.get() != null)
4403	>	plus.firstFailure.set(null);
4404	>	}
4405	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4406	>	if (plus.isDone())
4407	>	plus.firstFailure.set(null);
4408	>	}
4409	>	else {
4410	>	// first failure has precedence
4411	>	Throwable first = plus.firstFailure.getAndSet(null);
4412	>
4413	>	// may fail with "Self-suppression not permitted"
4414	>	try { first.addSuppressed(ex); }
4415	>	catch (Exception ignored) {}
4416	>
4417	>	plus.completeExceptionally(first);
4418	>	}
4419	>	} catch (Throwable unexpected) {
4420	>	plus.completeExceptionally(unexpected);
4421	>	}
4422	>	};
4423	>	f.whenComplete(action);
4424	>	g.whenComplete(action);
4425	>	return plus;
4426	>	}
4427	>	}
4428	>
4429	>	/**
4430	>	* CompletableFuture is an additive monad - sort of.
4431	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4432	>	*/
4433	>	public void testAdditiveMonad() throws Throwable {
4434	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4435	>	CompletableFuture<Long> zero = Monad.zero();
4436	>
4437	>	// Some mutually non-commutative functions
4438	>	Function<Long, CompletableFuture<Long>> triple
4439	>	= x -> Monad.unit(3 * x);
4440	>	Function<Long, CompletableFuture<Long>> inc
4441	>	= x -> Monad.unit(x + 1);
4442	>
4443	>	// unit is a right identity: m >>= unit === m
4444	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4445	>	inc.apply(5L));
4446	>	// unit is a left identity: (unit x) >>= f === f x
4447	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4448	>	inc.apply(5L));
4449	>
4450	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4451	>	Monad.assertFutureEquals(
4452	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4453	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4454	>
4455	>	// The case for CompletableFuture as an additive monad is weaker...
4456	>
4457	>	// zero is a monadic zero
4458	>	Monad.assertZero(zero);
4459	>
4460	>	// left zero: zero >>= f === zero
4461	>	Monad.assertZero(zero.thenCompose(inc));
4462	>	// right zero: f >>= (\x -> zero) === zero
4463	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4464	>
4465	>	// f plus zero === f
4466	>	Monad.assertFutureEquals(Monad.unit(5L),
4467	>	Monad.plus(Monad.unit(5L), zero));
4468	>	// zero plus f === f
4469	>	Monad.assertFutureEquals(Monad.unit(5L),
4470	>	Monad.plus(zero, Monad.unit(5L)));
4471	>	// zero plus zero === zero
4472	>	Monad.assertZero(Monad.plus(zero, zero));
4473	>	{
4474	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4475	>	Monad.unit(8L));
4476	>	// non-determinism
4477	>	assertTrue(f.get() == 5L \|\| f.get() == 8L);
4478	>	}
4479	>
4480	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4481	>	// f plus godot === f (doesn't wait for godot)
4482	>	Monad.assertFutureEquals(Monad.unit(5L),
4483	>	Monad.plus(Monad.unit(5L), godot));
4484	>	// godot plus f === f (doesn't wait for godot)
4485	>	Monad.assertFutureEquals(Monad.unit(5L),
4486	>	Monad.plus(godot, Monad.unit(5L)));
4487	>	}
4488	>
4489	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4490	>	@SuppressWarnings("FutureReturnValueIgnored")
4491	>	public void testRecursiveChains() throws Throwable {
4492	>	for (ExecutionMode m : ExecutionMode.values())
4493	>	for (boolean addDeadEnds : new boolean[] { true, false })
4494	>	{
4495	>	final int val = 42;
4496	>	final int n = expensiveTests ? 1_000 : 2;
4497	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4498	>	CompletableFuture<Integer> tail = head;
4499	>	for (int i = 0; i < n; i++) {
4500	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4501	>	tail = m.thenApply(tail, v -> v + 1);
4502	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4503	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4504	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4505	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4506	>	}
4507	>	head.complete(val);
4508	>	assertEquals(val + 3 * n, (int) tail.join());
4509	>	}}
4510	>
4511	>	/**
4512	>	* A single CompletableFuture with many dependents.
4513	>	* A demo of scalability - runtime is O(n).
4514	>	*/
4515	>	@SuppressWarnings("FutureReturnValueIgnored")
4516	>	public void testManyDependents() throws Throwable {
4517	>	final int n = expensiveTests ? 1_000_000 : 10;
4518	>	final CompletableFuture<Void> head = new CompletableFuture<>();
4519	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4520	>	final AtomicInteger count = new AtomicInteger(0);
4521	>	for (int i = 0; i < n; i++) {
4522	>	head.thenRun(() -> count.getAndIncrement());
4523	>	head.thenAccept(x -> count.getAndIncrement());
4524	>	head.thenApply(x -> count.getAndIncrement());
4525	>
4526	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
4527	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4528	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4529	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
4530	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4531	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4532	>
4533	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4534	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4535	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4536	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4537	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4538	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4539	>	}
4540	>	head.complete(null);
4541	>	assertEquals(5 * 3 * n, count.get());
4542	>	}
4543	>
4544	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4545	>	@SuppressWarnings("FutureReturnValueIgnored")
4546	>	public void testCoCompletionGarbageRetention() throws Throwable {
4547	>	final int n = expensiveTests ? 1_000_000 : 10;
4548	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4549	>	CompletableFuture<Integer> f;
4550	>	for (int i = 0; i < n; i++) {
4551	>	f = new CompletableFuture<>();
4552	>	f.runAfterEither(incomplete, () -> {});
4553	>	f.complete(null);
4554	>
4555	>	f = new CompletableFuture<>();
4556	>	f.acceptEither(incomplete, x -> {});
4557	>	f.complete(null);
4558	>
4559	>	f = new CompletableFuture<>();
4560	>	f.applyToEither(incomplete, x -> x);
4561	>	f.complete(null);
4562	>
4563	>	f = new CompletableFuture<>();
4564	>	CompletableFuture.anyOf(f, incomplete);
4565	>	f.complete(null);
4566	>	}
4567	>
4568	>	for (int i = 0; i < n; i++) {
4569	>	f = new CompletableFuture<>();
4570	>	incomplete.runAfterEither(f, () -> {});
4571	>	f.complete(null);
4572	>
4573	>	f = new CompletableFuture<>();
4574	>	incomplete.acceptEither(f, x -> {});
4575	>	f.complete(null);
4576	>
4577	>	f = new CompletableFuture<>();
4578	>	incomplete.applyToEither(f, x -> x);
4579	>	f.complete(null);
4580	>
4581	>	f = new CompletableFuture<>();
4582	>	CompletableFuture.anyOf(incomplete, f);
4583	>	f.complete(null);
4584	>	}
4585	>	}
4586	>
4587	>	/**
4588	>	* Reproduction recipe for:
4589	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4590	>	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4591	>	*/
4592	>	public void testAnyOfGarbageRetention() throws Throwable {
4593	>	for (Integer v : new Integer[] { 1, null })
4594	>	{
4595	>	final int n = expensiveTests ? 100_000 : 10;
4596	>	CompletableFuture<Integer>[] fs
4597	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4598	>	for (int i = 0; i < fs.length; i++)
4599	>	fs[i] = new CompletableFuture<>();
4600	>	fs[fs.length - 1].complete(v);
4601	>	for (int i = 0; i < n; i++)
4602	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4603	>	}}
4604	>
4605	>	/**
4606	>	* Checks for garbage retention with allOf.
4607	>	*
4608	>	* As of 2016-07, fails with OOME:
4609	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4610	>	*/
4611	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4612	>	final int n = expensiveTests ? 100_000 : 10;
4613	>	CompletableFuture<Integer>[] fs
4614	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4615	>	for (int i = 0; i < fs.length; i++)
4616	>	fs[i] = new CompletableFuture<>();
4617	>	for (int i = 0; i < n; i++)
4618	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4619	>	}
4620	>
4621	>	/**
4622	>	* Checks for garbage retention when a dependent future is
4623	>	* cancelled and garbage-collected.
4624	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4625	>	*
4626	>	* As of 2016-07, fails with OOME:
4627	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4628	>	*/
4629	>	public void testCancelledGarbageRetention() throws Throwable {
4630	>	final int n = expensiveTests ? 100_000 : 10;
4631	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4632	>	for (int i = 0; i < n; i++)
4633	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4634	>	}
4635	>
4636	>	/**
4637	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4638	>	* is invoked many times.
4639	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4640	>	*
4641	>	* As of 2016-07, fails with OOME:
4642	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4643	>	*/
4644	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4645	>	final int n = expensiveTests ? 900_000 : 10;
4646	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4647	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4648	>	for (int i = 0; i < n; i++)
4649	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4650	>	}
4651	>
4652	>	// static <U> U join(CompletionStage<U> stage) {
4653	>	// CompletableFuture<U> f = new CompletableFuture<>();
4654	>	// stage.whenComplete((v, ex) -> {
4655	>	// if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4656	>	// });
4657	>	// return f.join();
4658	>	// }
4659	>
4660	>	// static <U> boolean isDone(CompletionStage<U> stage) {
4661	>	// CompletableFuture<U> f = new CompletableFuture<>();
4662	>	// stage.whenComplete((v, ex) -> {
4663	>	// if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4664	>	// });
4665	>	// return f.isDone();
4666	>	// }
4667	>
4668	>	// static <U> U join2(CompletionStage<U> stage) {
4669	>	// return stage.toCompletableFuture().copy().join();
4670	>	// }
4671	>
4672	>	// static <U> boolean isDone2(CompletionStage<U> stage) {
4673	>	// return stage.toCompletableFuture().copy().isDone();
4674	>	// }
4675	>
4676	>	// For testing default implementations
4677	>	// Only non-default interface methods defined.
4678	>	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4679	>	final CompletableFuture<T> cf;
4680	>	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4681	>	public CompletableFuture<T> toCompletableFuture() {
4682	>	return cf; }
4683	>	public CompletionStage<Void> thenRun
4684	>	(Runnable action) {
4685	>	return cf.thenRun(action); }
4686	>	public CompletionStage<Void> thenRunAsync
4687	>	(Runnable action) {
4688	>	return cf.thenRunAsync(action); }
4689	>	public CompletionStage<Void> thenRunAsync
4690	>	(Runnable action,
4691	>	Executor executor) {
4692	>	return cf.thenRunAsync(action, executor); }
4693	>	public CompletionStage<Void> thenAccept
4694	>	(Consumer<? super T> action) {
4695	>	return cf.thenAccept(action); }
4696	>	public CompletionStage<Void> thenAcceptAsync
4697	>	(Consumer<? super T> action) {
4698	>	return cf.thenAcceptAsync(action); }
4699	>	public CompletionStage<Void> thenAcceptAsync
4700	>	(Consumer<? super T> action,
4701	>	Executor executor) {
4702	>	return cf.thenAcceptAsync(action, executor); }
4703	>	public <U> CompletionStage<U> thenApply
4704	>	(Function<? super T,? extends U> a) {
4705	>	return cf.thenApply(a); }
4706	>	public <U> CompletionStage<U> thenApplyAsync
4707	>	(Function<? super T,? extends U> fn) {
4708	>	return cf.thenApplyAsync(fn); }
4709	>	public <U> CompletionStage<U> thenApplyAsync
4710	>	(Function<? super T,? extends U> fn,
4711	>	Executor executor) {
4712	>	return cf.thenApplyAsync(fn, executor); }
4713	>	public <U,V> CompletionStage<V> thenCombine
4714	>	(CompletionStage<? extends U> other,
4715	>	BiFunction<? super T,? super U,? extends V> fn) {
4716	>	return cf.thenCombine(other, fn); }
4717	>	public <U,V> CompletionStage<V> thenCombineAsync
4718	>	(CompletionStage<? extends U> other,
4719	>	BiFunction<? super T,? super U,? extends V> fn) {
4720	>	return cf.thenCombineAsync(other, fn); }
4721	>	public <U,V> CompletionStage<V> thenCombineAsync
4722	>	(CompletionStage<? extends U> other,
4723	>	BiFunction<? super T,? super U,? extends V> fn,
4724	>	Executor executor) {
4725	>	return cf.thenCombineAsync(other, fn, executor); }
4726	>	public <U> CompletionStage<Void> thenAcceptBoth
4727	>	(CompletionStage<? extends U> other,
4728	>	BiConsumer<? super T, ? super U> action) {
4729	>	return cf.thenAcceptBoth(other, action); }
4730	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4731	>	(CompletionStage<? extends U> other,
4732	>	BiConsumer<? super T, ? super U> action) {
4733	>	return cf.thenAcceptBothAsync(other, action); }
4734	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4735	>	(CompletionStage<? extends U> other,
4736	>	BiConsumer<? super T, ? super U> action,
4737	>	Executor executor) {
4738	>	return cf.thenAcceptBothAsync(other, action, executor); }
4739	>	public CompletionStage<Void> runAfterBoth
4740	>	(CompletionStage<?> other,
4741	>	Runnable action) {
4742	>	return cf.runAfterBoth(other, action); }
4743	>	public CompletionStage<Void> runAfterBothAsync
4744	>	(CompletionStage<?> other,
4745	>	Runnable action) {
4746	>	return cf.runAfterBothAsync(other, action); }
4747	>	public CompletionStage<Void> runAfterBothAsync
4748	>	(CompletionStage<?> other,
4749	>	Runnable action,
4750	>	Executor executor) {
4751	>	return cf.runAfterBothAsync(other, action, executor); }
4752	>	public <U> CompletionStage<U> applyToEither
4753	>	(CompletionStage<? extends T> other,
4754	>	Function<? super T, U> fn) {
4755	>	return cf.applyToEither(other, fn); }
4756	>	public <U> CompletionStage<U> applyToEitherAsync
4757	>	(CompletionStage<? extends T> other,
4758	>	Function<? super T, U> fn) {
4759	>	return cf.applyToEitherAsync(other, fn); }
4760	>	public <U> CompletionStage<U> applyToEitherAsync
4761	>	(CompletionStage<? extends T> other,
4762	>	Function<? super T, U> fn,
4763	>	Executor executor) {
4764	>	return cf.applyToEitherAsync(other, fn, executor); }
4765	>	public CompletionStage<Void> acceptEither
4766	>	(CompletionStage<? extends T> other,
4767	>	Consumer<? super T> action) {
4768	>	return cf.acceptEither(other, action); }
4769	>	public CompletionStage<Void> acceptEitherAsync
4770	>	(CompletionStage<? extends T> other,
4771	>	Consumer<? super T> action) {
4772	>	return cf.acceptEitherAsync(other, action); }
4773	>	public CompletionStage<Void> acceptEitherAsync
4774	>	(CompletionStage<? extends T> other,
4775	>	Consumer<? super T> action,
4776	>	Executor executor) {
4777	>	return cf.acceptEitherAsync(other, action, executor); }
4778	>	public CompletionStage<Void> runAfterEither
4779	>	(CompletionStage<?> other,
4780	>	Runnable action) {
4781	>	return cf.runAfterEither(other, action); }
4782	>	public CompletionStage<Void> runAfterEitherAsync
4783	>	(CompletionStage<?> other,
4784	>	Runnable action) {
4785	>	return cf.runAfterEitherAsync(other, action); }
4786	>	public CompletionStage<Void> runAfterEitherAsync
4787	>	(CompletionStage<?> other,
4788	>	Runnable action,
4789	>	Executor executor) {
4790	>	return cf.runAfterEitherAsync(other, action, executor); }
4791	>	public <U> CompletionStage<U> thenCompose
4792	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4793	>	return cf.thenCompose(fn); }
4794	>	public <U> CompletionStage<U> thenComposeAsync
4795	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4796	>	return cf.thenComposeAsync(fn); }
4797	>	public <U> CompletionStage<U> thenComposeAsync
4798	>	(Function<? super T, ? extends CompletionStage<U>> fn,
4799	>	Executor executor) {
4800	>	return cf.thenComposeAsync(fn, executor); }
4801	>	public <U> CompletionStage<U> handle
4802	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4803	>	return cf.handle(fn); }
4804	>	public <U> CompletionStage<U> handleAsync
4805	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4806	>	return cf.handleAsync(fn); }
4807	>	public <U> CompletionStage<U> handleAsync
4808	>	(BiFunction<? super T, Throwable, ? extends U> fn,
4809	>	Executor executor) {
4810	>	return cf.handleAsync(fn, executor); }
4811	>	public CompletionStage<T> whenComplete
4812	>	(BiConsumer<? super T, ? super Throwable> action) {
4813	>	return cf.whenComplete(action); }
4814	>	public CompletionStage<T> whenCompleteAsync
4815	>	(BiConsumer<? super T, ? super Throwable> action) {
4816	>	return cf.whenCompleteAsync(action); }
4817	>	public CompletionStage<T> whenCompleteAsync
4818	>	(BiConsumer<? super T, ? super Throwable> action,
4819	>	Executor executor) {
4820	>	return cf.whenCompleteAsync(action, executor); }
4821	>	public CompletionStage<T> exceptionally
4822	>	(Function<Throwable, ? extends T> fn) {
4823	>	return cf.exceptionally(fn); }
4824	>	}
4825	>
4826	>	/**
4827	>	* default-implemented exceptionallyAsync action is not invoked when
4828	>	* source completes normally, and source result is propagated
4829	>	*/
4830	>	public void testDefaultExceptionallyAsync_normalCompletion() {
4831	>	for (boolean createIncomplete : new boolean[] { true, false })
4832	>	for (Integer v1 : new Integer[] { 1, null })
4833	>	{
4834	>	final AtomicInteger ran = new AtomicInteger(0);
4835		final CompletableFuture<Integer> f = new CompletableFuture<>();
4836	<	if (!createIncomplete) f.complete(v1);
4837	<	final CompletableFuture<Integer> g = m.whenComplete
4838	<	(f,
4839	<	(Integer x, Throwable t) -> {
4840	<	threadAssertSame(x, v1);
4841	<	threadAssertNull(t);
4842	<	a.getAndIncrement();
4836	>	final DelegatedCompletionStage<Integer> d =
4837	>	new DelegatedCompletionStage<Integer>(f);
4838	>	if (!createIncomplete) assertTrue(f.complete(v1));
4839	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4840	>	((Throwable t) -> {
4841	>	ran.getAndIncrement();
4842	>	throw new AssertionError("should not be called");
4843		});
4844	<	if (createIncomplete) f.complete(v1);
4844	>	if (createIncomplete) assertTrue(f.complete(v1));
4845
4846	<	checkCompletedNormally(g, v1);
4846	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4847		checkCompletedNormally(f, v1);
4848	<	assertEquals(1, a.get());
4848	>	assertEquals(0, ran.get());
4849		}}
4850
4851		/**
4852	<	* whenComplete action executes on exceptional completion, propagating
4853	<	* source result.
4852	>	* default-implemented exceptionallyAsync action completes with
4853	>	* function value on source exception
4854		*/
4855	<	public void testWhenComplete_exceptionalCompletion() {
2840	<	for (ExecutionMode m : ExecutionMode.values())
4855	>	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4856		for (boolean createIncomplete : new boolean[] { true, false })
4857		for (Integer v1 : new Integer[] { 1, null })
4858		{
4859	<	final AtomicInteger a = new AtomicInteger(0);
4859	>	final AtomicInteger ran = new AtomicInteger(0);
4860		final CFException ex = new CFException();
4861		final CompletableFuture<Integer> f = new CompletableFuture<>();
4862	+	final DelegatedCompletionStage<Integer> d =
4863	+	new DelegatedCompletionStage<Integer>(f);
4864		if (!createIncomplete) f.completeExceptionally(ex);
4865	<	final CompletableFuture<Integer> g = m.whenComplete
4866	<	(f,
4867	<	(Integer x, Throwable t) -> {
4868	<	threadAssertNull(x);
4869	<	threadAssertSame(t, ex);
2853	<	a.getAndIncrement();
4865	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4866	>	((Throwable t) -> {
4867	>	assertSame(t, ex);
4868	>	ran.getAndIncrement();
4869	>	return v1;
4870		});
4871		if (createIncomplete) f.completeExceptionally(ex);
4872	<	checkCompletedWithWrappedCFException(f, ex);
4873	<	checkCompletedWithWrappedCFException(g, ex);
4874	<	assertEquals(1, a.get());
4872	>
4873	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4874	>	checkCompletedExceptionally(f, ex);
4875	>	assertEquals(1, ran.get());
4876		}}
4877
4878		/**
4879	<	* whenComplete action executes on cancelled source, propagating
4880	<	* CancellationException.
4879	>	* Under default implementation, if an "exceptionally action"
4880	>	* throws an exception, it completes exceptionally with that
4881	>	* exception
4882		*/
4883	<	public void testWhenComplete_sourceCancelled() {
2866	<	for (ExecutionMode m : ExecutionMode.values())
2867	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4883	>	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4884		for (boolean createIncomplete : new boolean[] { true, false })
4885		{
4886	<	final AtomicInteger a = new AtomicInteger(0);
4886	>	final AtomicInteger ran = new AtomicInteger(0);
4887	>	final CFException ex1 = new CFException();
4888	>	final CFException ex2 = new CFException();
4889		final CompletableFuture<Integer> f = new CompletableFuture<>();
4890	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4891	<	final CompletableFuture<Integer> g = m.whenComplete
4892	<	(f,
4893	<	(Integer x, Throwable t) -> {
4894	<	threadAssertNull(x);
4895	<	threadAssertTrue(t instanceof CancellationException);
4896	<	a.getAndIncrement();
4890	>	final DelegatedCompletionStage<Integer> d =
4891	>	new DelegatedCompletionStage<Integer>(f);
4892	>	if (!createIncomplete) f.completeExceptionally(ex1);
4893	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4894	>	((Throwable t) -> {
4895	>	assertSame(t, ex1);
4896	>	ran.getAndIncrement();
4897	>	throw ex2;
4898		});
4899	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4899	>	if (createIncomplete) f.completeExceptionally(ex1);
4900
4901	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
4902	<	checkCompletedWithWrappedCancellationException(g);
4903	<	checkCancelled(f);
4904	<	assertEquals(1, a.get());
4901	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4902	>	checkCompletedExceptionally(f, ex1);
4903	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4904	>	assertEquals(1, ran.get());
4905		}}
4906
4907		/**
4908	<	* If a whenComplete action throws an exception when triggered by
4909	<	* a normal completion, it completes exceptionally
4908	>	* default-implemented exceptionallyCompose result completes
4909	>	* normally after normal completion of source
4910		*/
4911	<	public void testWhenComplete_actionFailed() {
4911	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4912		for (boolean createIncomplete : new boolean[] { true, false })
2894	–	for (ExecutionMode m : ExecutionMode.values())
4913		for (Integer v1 : new Integer[] { 1, null })
4914		{
4915	<	final AtomicInteger a = new AtomicInteger(0);
4915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4916	>	final ExceptionalCompletableFutureFunction r =
4917	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4918	>	final DelegatedCompletionStage<Integer> d =
4919	>	new DelegatedCompletionStage<Integer>(f);
4920	>	if (!createIncomplete) assertTrue(f.complete(v1));
4921	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4922	>	if (createIncomplete) assertTrue(f.complete(v1));
4923	>
4924	>	checkCompletedNormally(f, v1);
4925	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4926	>	r.assertNotInvoked();
4927	>	}}
4928	>
4929	>	/**
4930	>	* default-implemented exceptionallyCompose result completes
4931	>	* normally after exceptional completion of source
4932	>	*/
4933	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4934	>	for (boolean createIncomplete : new boolean[] { true, false })
4935	>	{
4936		final CFException ex = new CFException();
4937	+	final ExceptionalCompletableFutureFunction r =
4938	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4939		final CompletableFuture<Integer> f = new CompletableFuture<>();
4940	<	if (!createIncomplete) f.complete(v1);
4941	<	final CompletableFuture<Integer> g = m.whenComplete
4942	<	(f,
4943	<	(Integer x, Throwable t) -> {
4944	<	threadAssertSame(x, v1);
4945	<	threadAssertNull(t);
4946	<	a.getAndIncrement();
4947	<	throw ex;
4948	<	});
4949	<	if (createIncomplete) f.complete(v1);
4940	>	final DelegatedCompletionStage<Integer> d =
4941	>	new DelegatedCompletionStage<Integer>(f);
4942	>	if (!createIncomplete) f.completeExceptionally(ex);
4943	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4944	>	if (createIncomplete) f.completeExceptionally(ex);
4945	>
4946	>	checkCompletedExceptionally(f, ex);
4947	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4948	>	r.assertInvoked();
4949	>	}}
4950	>
4951	>	/**
4952	>	* default-implemented exceptionallyCompose completes
4953	>	* exceptionally on exception if action does
4954	>	*/
4955	>	public void testDefaultExceptionallyCompose_actionFailed() {
4956	>	for (boolean createIncomplete : new boolean[] { true, false })
4957	>	{
4958	>	final CFException ex = new CFException();
4959	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4960	>	final FailingExceptionalCompletableFutureFunction r
4961	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4962	>	final DelegatedCompletionStage<Integer> d =
4963	>	new DelegatedCompletionStage<Integer>(f);
4964	>	if (!createIncomplete) f.completeExceptionally(ex);
4965	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4966	>	if (createIncomplete) f.completeExceptionally(ex);
4967	>
4968	>	checkCompletedExceptionally(f, ex);
4969	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4970	>	r.assertInvoked();
4971	>	}}
4972	>
4973	>	/**
4974	>	* default-implemented exceptionallyComposeAsync result completes
4975	>	* normally after normal completion of source
4976	>	*/
4977	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4978	>	for (boolean createIncomplete : new boolean[] { true, false })
4979	>	for (Integer v1 : new Integer[] { 1, null })
4980	>	{
4981	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4982	>	final ExceptionalCompletableFutureFunction r =
4983	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4984	>	final DelegatedCompletionStage<Integer> d =
4985	>	new DelegatedCompletionStage<Integer>(f);
4986	>	if (!createIncomplete) assertTrue(f.complete(v1));
4987	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4988	>	if (createIncomplete) assertTrue(f.complete(v1));
4989	>
4990		checkCompletedNormally(f, v1);
4991	<	checkCompletedWithWrappedCFException(g, ex);
4992	<	assertEquals(1, a.get());
4991	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4992	>	r.assertNotInvoked();
4993		}}
4994
4995		/**
4996	<	* If a whenComplete action throws an exception when triggered by
4997	<	* a source completion that also throws an exception, the source
2918	<	* exception takes precedence.
4996	>	* default-implemented exceptionallyComposeAsync result completes
4997	>	* normally after exceptional completion of source
4998		*/
4999	<	public void testWhenComplete_actionFailedSourceFailed() {
4999	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
5000	>	for (boolean createIncomplete : new boolean[] { true, false })
5001	>	{
5002	>	final CFException ex = new CFException();
5003	>	final ExceptionalCompletableFutureFunction r =
5004	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5005	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5006	>	final DelegatedCompletionStage<Integer> d =
5007	>	new DelegatedCompletionStage<Integer>(f);
5008	>	if (!createIncomplete) f.completeExceptionally(ex);
5009	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5010	>	if (createIncomplete) f.completeExceptionally(ex);
5011	>
5012	>	checkCompletedExceptionally(f, ex);
5013	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5014	>	r.assertInvoked();
5015	>	}}
5016	>
5017	>	/**
5018	>	* default-implemented exceptionallyComposeAsync completes
5019	>	* exceptionally on exception if action does
5020	>	*/
5021	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5022	>	for (boolean createIncomplete : new boolean[] { true, false })
5023	>	{
5024	>	final CFException ex = new CFException();
5025	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5026	>	final FailingExceptionalCompletableFutureFunction r
5027	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5028	>	final DelegatedCompletionStage<Integer> d =
5029	>	new DelegatedCompletionStage<Integer>(f);
5030	>	if (!createIncomplete) f.completeExceptionally(ex);
5031	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5032	>	if (createIncomplete) f.completeExceptionally(ex);
5033	>
5034	>	checkCompletedExceptionally(f, ex);
5035	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5036	>	r.assertInvoked();
5037	>	}}
5038	>
5039	>	/**
5040	>	* default-implemented exceptionallyComposeAsync result completes
5041	>	* normally after normal completion of source
5042	>	*/
5043	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5044		for (boolean createIncomplete : new boolean[] { true, false })
2922	–	for (ExecutionMode m : ExecutionMode.values())
5045		for (Integer v1 : new Integer[] { 1, null })
5046		{
2925	–	final AtomicInteger a = new AtomicInteger(0);
2926	–	final CFException ex1 = new CFException();
2927	–	final CFException ex2 = new CFException();
5047		final CompletableFuture<Integer> f = new CompletableFuture<>();
5048	+	final ExceptionalCompletableFutureFunction r =
5049	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5050	+	final DelegatedCompletionStage<Integer> d =
5051	+	new DelegatedCompletionStage<Integer>(f);
5052	+	if (!createIncomplete) assertTrue(f.complete(v1));
5053	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5054	+	if (createIncomplete) assertTrue(f.complete(v1));
5055
5056	<	if (!createIncomplete) f.completeExceptionally(ex1);
5057	<	final CompletableFuture<Integer> g = m.whenComplete
5058	<	(f,
5059	<	(Integer x, Throwable t) -> {
2934	<	threadAssertSame(t, ex1);
2935	<	threadAssertNull(x);
2936	<	a.getAndIncrement();
2937	<	throw ex2;
2938	<	});
2939	<	if (createIncomplete) f.completeExceptionally(ex1);
5056	>	checkCompletedNormally(f, v1);
5057	>	checkCompletedNormally(g.toCompletableFuture(), v1);
5058	>	r.assertNotInvoked();
5059	>	}}
5060
5061	<	checkCompletedWithWrappedCFException(f, ex1);
5062	<	checkCompletedWithWrappedCFException(g, ex1);
5063	<	assertEquals(1, a.get());
5061	>	/**
5062	>	* default-implemented exceptionallyComposeAsync result completes
5063	>	* normally after exceptional completion of source
5064	>	*/
5065	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5066	>	for (boolean createIncomplete : new boolean[] { true, false })
5067	>	{
5068	>	final CFException ex = new CFException();
5069	>	final ExceptionalCompletableFutureFunction r =
5070	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5071	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5072	>	final DelegatedCompletionStage<Integer> d =
5073	>	new DelegatedCompletionStage<Integer>(f);
5074	>	if (!createIncomplete) f.completeExceptionally(ex);
5075	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5076	>	if (createIncomplete) f.completeExceptionally(ex);
5077	>
5078	>	checkCompletedExceptionally(f, ex);
5079	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5080	>	r.assertInvoked();
5081	>	}}
5082	>
5083	>	/**
5084	>	* default-implemented exceptionallyComposeAsync completes
5085	>	* exceptionally on exception if action does
5086	>	*/
5087	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5088	>	for (boolean createIncomplete : new boolean[] { true, false })
5089	>	{
5090	>	final CFException ex = new CFException();
5091	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5092	>	final FailingExceptionalCompletableFutureFunction r
5093	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5094	>	final DelegatedCompletionStage<Integer> d =
5095	>	new DelegatedCompletionStage<Integer>(f);
5096	>	if (!createIncomplete) f.completeExceptionally(ex);
5097	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5098	>	if (createIncomplete) f.completeExceptionally(ex);
5099	>
5100	>	checkCompletedExceptionally(f, ex);
5101	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5102	>	r.assertInvoked();
5103		}}
5104
5105		}

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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents): Revision 1.69 by jsr166, Fri Jun 6 19:39:50 2014 UTC vs. Revision 1.221 by jsr166, Fri Feb 22 19:27:47 2019 UTC

Diff Legend

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.69 by jsr166, Fri Jun 6 19:39:50 2014 UTC vs.
Revision 1.221 by jsr166, Fri Feb 22 19:27:47 2019 UTC