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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.45 by jsr166, Mon Jun 2 06:07:34 2014 UTC vs.
Revision 1.152 by jsr166, Sun Jun 26 19:03:27 2016 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.TimeUnit;
36		import java.util.concurrent.atomic.AtomicInteger;
37	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
37	>	import java.util.concurrent.atomic.AtomicReference;
38		import java.util.function.BiConsumer;
28	–	import java.util.function.Function;
39		import java.util.function.BiFunction;
40	+	import java.util.function.Consumer;
41	+	import java.util.function.Function;
42	+	import java.util.function.Predicate;
43	+	import java.util.function.Supplier;
44	+
45	+	import junit.framework.AssertionFailedError;
46	+	import junit.framework.Test;
47	+	import junit.framework.TestSuite;
48
49		public class CompletableFutureTest extends JSR166TestCase {
50
51		public static void main(String[] args) {
52	<	junit.textui.TestRunner.run(suite());
52	>	main(suite(), args);
53		}
54		public static Test suite() {
55		return new TestSuite(CompletableFutureTest.class);
#	Line 42 | Line 60 | public class CompletableFutureTest exten
60		void checkIncomplete(CompletableFuture<?> f) {
61		assertFalse(f.isDone());
62		assertFalse(f.isCancelled());
63	<	assertTrue(f.toString().contains("[Not completed]"));
63	>	assertTrue(f.toString().contains("Not completed"));
64		try {
65		assertNull(f.getNow(null));
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 55 | Line 73 | public class CompletableFutureTest exten
73		}
74
75		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
76	<	try {
77	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
76	>	checkTimedGet(f, value);
77	>
78		try {
79		assertEquals(value, f.join());
80		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 73 | Line 90 | public class CompletableFutureTest exten
90		assertTrue(f.toString().contains("[Completed normally]"));
91		}
92
93	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
94	<	try {
95	<	f.get(LONG_DELAY_MS, MILLISECONDS);
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	try {
101	<	f.join();
102	<	shouldThrow();
103	<	} catch (CompletionException success) {
104	<	assertTrue(success.getCause() instanceof CFException);
105	<	}
106	<	try {
107	<	f.getNow(null);
108	<	shouldThrow();
109	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
93	>	/**
94	>	* Returns the "raw" internal exceptional completion of f,
95	>	* without any additional wrapping with CompletionException.
96	>	*/
97	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
98	>	// handle (and whenComplete) can distinguish between "direct"
99	>	// and "wrapped" exceptional completion
100	>	return f.handle((U u, Throwable t) -> t).join();
101	>	}
102	>
103	>	void checkCompletedExceptionally(CompletableFuture<?> f,
104	>	boolean wrapped,
105	>	Consumer<Throwable> checker) {
106	>	Throwable cause = exceptionalCompletion(f);
107	>	if (wrapped) {
108	>	assertTrue(cause instanceof CompletionException);
109	>	cause = cause.getCause();
110		}
111	<	try {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
104	<	}
111	>	checker.accept(cause);
112
113	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107	<	CFException ex) {
113	>	long startTime = System.nanoTime();
114		try {
115		f.get(LONG_DELAY_MS, MILLISECONDS);
116		shouldThrow();
117		} catch (ExecutionException success) {
118	<	assertSame(ex, success.getCause());
118	>	assertSame(cause, success.getCause());
119		} catch (Throwable fail) { threadUnexpectedException(fail); }
120	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
121	+
122		try {
123		f.join();
124		shouldThrow();
125		} catch (CompletionException success) {
126	<	assertSame(ex, success.getCause());
127	<	}
126	>	assertSame(cause, success.getCause());
127	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
128	>
129		try {
130		f.getNow(null);
131		shouldThrow();
132		} catch (CompletionException success) {
133	<	assertSame(ex, success.getCause());
134	<	}
133	>	assertSame(cause, success.getCause());
134	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
135	>
136		try {
137		f.get();
138		shouldThrow();
139		} catch (ExecutionException success) {
140	<	assertSame(ex, success.getCause());
140	>	assertSame(cause, success.getCause());
141		} catch (Throwable fail) { threadUnexpectedException(fail); }
142	<	assertTrue(f.isDone());
142	>
143		assertFalse(f.isCancelled());
144	+	assertTrue(f.isDone());
145	+	assertTrue(f.isCompletedExceptionally());
146		assertTrue(f.toString().contains("[Completed exceptionally]"));
147		}
148
149	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
150	+	checkCompletedExceptionally(f, true,
151	+	(t) -> assertTrue(t instanceof CFException));
152	+	}
153	+
154	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
155	+	checkCompletedExceptionally(f, true,
156	+	(t) -> assertTrue(t instanceof CancellationException));
157	+	}
158	+
159	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
160	+	checkCompletedExceptionally(f, false,
161	+	(t) -> assertTrue(t instanceof TimeoutException));
162	+	}
163	+
164	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
165	+	Throwable ex) {
166	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
167	+	}
168	+
169	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
170	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
171	+	}
172	+
173		void checkCancelled(CompletableFuture<?> f) {
174	+	long startTime = System.nanoTime();
175		try {
176		f.get(LONG_DELAY_MS, MILLISECONDS);
177		shouldThrow();
178		} catch (CancellationException success) {
179		} catch (Throwable fail) { threadUnexpectedException(fail); }
180	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
181	+
182		try {
183		f.join();
184		shouldThrow();
#	Line 153 | Line 192 | public class CompletableFutureTest exten
192		shouldThrow();
193		} catch (CancellationException success) {
194		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
195
196	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
197	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
196	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
197	>
198		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
199		assertTrue(f.isCompletedExceptionally());
200	+	assertTrue(f.isCancelled());
201		assertTrue(f.toString().contains("[Completed exceptionally]"));
202		}
203
#	Line 204 | Line 215 | public class CompletableFutureTest exten
215		* isCancelled, join, get, and getNow
216		*/
217		public void testComplete() {
218	+	for (Integer v1 : new Integer[] { 1, null })
219	+	{
220		CompletableFuture<Integer> f = new CompletableFuture<>();
221		checkIncomplete(f);
222	<	f.complete(one);
223	<	checkCompletedNormally(f, one);
224	<	}
222	>	assertTrue(f.complete(v1));
223	>	assertFalse(f.complete(v1));
224	>	checkCompletedNormally(f, v1);
225	>	}}
226
227		/**
228		* completeExceptionally completes exceptionally, as indicated by
#	Line 216 | Line 230 | public class CompletableFutureTest exten
230		*/
231		public void testCompleteExceptionally() {
232		CompletableFuture<Integer> f = new CompletableFuture<>();
233	+	CFException ex = new CFException();
234		checkIncomplete(f);
235	<	f.completeExceptionally(new CFException());
236	<	checkCompletedWithWrappedCFException(f);
235	>	f.completeExceptionally(ex);
236	>	checkCompletedExceptionally(f, ex);
237		}
238
239		/**
#	Line 226 | Line 241 | public class CompletableFutureTest exten
241		* methods isDone, isCancelled, join, get, and getNow
242		*/
243		public void testCancel() {
244	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
245	+	{
246		CompletableFuture<Integer> f = new CompletableFuture<>();
247		checkIncomplete(f);
248	<	assertTrue(f.cancel(true));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(mayInterruptIfRunning));
250	>	assertTrue(f.cancel(!mayInterruptIfRunning));
251		checkCancelled(f);
252	<	}
252	>	}}
253
254		/**
255		* obtrudeValue forces completion with given value
#	Line 238 | Line 257 | public class CompletableFutureTest exten
257		public void testObtrudeValue() {
258		CompletableFuture<Integer> f = new CompletableFuture<>();
259		checkIncomplete(f);
260	<	f.complete(one);
260	>	assertTrue(f.complete(one));
261		checkCompletedNormally(f, one);
262		f.obtrudeValue(three);
263		checkCompletedNormally(f, three);
#	Line 247 | Line 266 | public class CompletableFutureTest exten
266		f = new CompletableFuture<>();
267		f.obtrudeValue(three);
268		checkCompletedNormally(f, three);
269	+	f.obtrudeValue(null);
270	+	checkCompletedNormally(f, null);
271		f = new CompletableFuture<>();
272		f.completeExceptionally(new CFException());
273		f.obtrudeValue(four);
#	Line 257 | Line 278 | public class CompletableFutureTest exten
278		* obtrudeException forces completion with given exception
279		*/
280		public void testObtrudeException() {
281	<	CompletableFuture<Integer> f = new CompletableFuture<>();
282	<	checkIncomplete(f);
283	<	f.complete(one);
284	<	checkCompletedNormally(f, one);
285	<	f.obtrudeException(new CFException());
286	<	checkCompletedWithWrappedCFException(f);
281	>	for (Integer v1 : new Integer[] { 1, null })
282	>	{
283	>	CFException ex;
284	>	CompletableFuture<Integer> f;
285	>
286	>	f = new CompletableFuture<>();
287	>	assertTrue(f.complete(v1));
288	>	for (int i = 0; i < 2; i++) {
289	>	f.obtrudeException(ex = new CFException());
290	>	checkCompletedExceptionally(f, ex);
291	>	}
292	>
293		f = new CompletableFuture<>();
294	<	f.obtrudeException(new CFException());
295	<	checkCompletedWithWrappedCFException(f);
294	>	for (int i = 0; i < 2; i++) {
295	>	f.obtrudeException(ex = new CFException());
296	>	checkCompletedExceptionally(f, ex);
297	>	}
298	>
299		f = new CompletableFuture<>();
300	+	f.completeExceptionally(ex = new CFException());
301	+	f.obtrudeValue(v1);
302	+	checkCompletedNormally(f, v1);
303	+	f.obtrudeException(ex = new CFException());
304	+	checkCompletedExceptionally(f, ex);
305		f.completeExceptionally(new CFException());
306	<	f.obtrudeValue(four);
307	<	checkCompletedNormally(f, four);
308	<	f.obtrudeException(new CFException());
309	<	checkCompletedWithWrappedCFException(f);
275	<	}
306	>	checkCompletedExceptionally(f, ex);
307	>	assertFalse(f.complete(v1));
308	>	checkCompletedExceptionally(f, ex);
309	>	}}
310
311		/**
312		* getNumberOfDependents returns number of dependent tasks
313		*/
314		public void testGetNumberOfDependents() {
315	+	for (ExecutionMode m : ExecutionMode.values())
316	+	for (Integer v1 : new Integer[] { 1, null })
317	+	{
318		CompletableFuture<Integer> f = new CompletableFuture<>();
319	<	assertEquals(f.getNumberOfDependents(), 0);
320	<	CompletableFuture g = f.thenRun(new Noop());
321	<	assertEquals(f.getNumberOfDependents(), 1);
322	<	assertEquals(g.getNumberOfDependents(), 0);
323	<	CompletableFuture h = f.thenRun(new Noop());
324	<	assertEquals(f.getNumberOfDependents(), 2);
325	<	f.complete(1);
319	>	assertEquals(0, f.getNumberOfDependents());
320	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
321	>	assertEquals(1, f.getNumberOfDependents());
322	>	assertEquals(0, g.getNumberOfDependents());
323	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
324	>	assertEquals(2, f.getNumberOfDependents());
325	>	assertEquals(0, h.getNumberOfDependents());
326	>	assertTrue(f.complete(v1));
327		checkCompletedNormally(g, null);
328	<	assertEquals(f.getNumberOfDependents(), 0);
329	<	assertEquals(g.getNumberOfDependents(), 0);
330	<	}
328	>	checkCompletedNormally(h, null);
329	>	assertEquals(0, f.getNumberOfDependents());
330	>	assertEquals(0, g.getNumberOfDependents());
331	>	assertEquals(0, h.getNumberOfDependents());
332	>	}}
333
334		/**
335		* toString indicates current completion state
#	Line 300 | Line 340 | public class CompletableFutureTest exten
340		f = new CompletableFuture<String>();
341		assertTrue(f.toString().contains("[Not completed]"));
342
343	<	f.complete("foo");
343	>	assertTrue(f.complete("foo"));
344		assertTrue(f.toString().contains("[Completed normally]"));
345
346		f = new CompletableFuture<String>();
347	<	f.completeExceptionally(new IndexOutOfBoundsException());
347	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
348		assertTrue(f.toString().contains("[Completed exceptionally]"));
349	+
350	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
351	+	f = new CompletableFuture<String>();
352	+	assertTrue(f.cancel(mayInterruptIfRunning));
353	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
354	+	}
355		}
356
357		/**
#	Line 316 | Line 362 | public class CompletableFutureTest exten
362		checkCompletedNormally(f, "test");
363		}
364
365	<	// Choose non-commutative actions for better coverage
365	>	abstract class CheckedAction {
366	>	int invocationCount = 0;
367	>	final ExecutionMode m;
368	>	CheckedAction(ExecutionMode m) { this.m = m; }
369	>	void invoked() {
370	>	m.checkExecutionMode();
371	>	assertEquals(0, invocationCount++);
372	>	}
373	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
374	>	void assertInvoked() { assertEquals(1, invocationCount); }
375	>	}
376
377	<	// A non-commutative function that handles and produces null values as well.
378	<	static Integer subtract(Integer x, Integer y) {
379	<	return (x == null && y == null) ? null :
380	<	((x == null) ? 42 : x.intValue())
381	<	- ((y == null) ? 99 : y.intValue());
377	>	abstract class CheckedIntegerAction extends CheckedAction {
378	>	Integer value;
379	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
380	>	void assertValue(Integer expected) {
381	>	assertInvoked();
382	>	assertEquals(expected, value);
383	>	}
384	>	}
385	>
386	>	class IntegerSupplier extends CheckedAction
387	>	implements Supplier<Integer>
388	>	{
389	>	final Integer value;
390	>	IntegerSupplier(ExecutionMode m, Integer value) {
391	>	super(m);
392	>	this.value = value;
393	>	}
394	>	public Integer get() {
395	>	invoked();
396	>	return value;
397	>	}
398		}
399
400		// A function that handles and produces null values as well.
#	Line 330 | Line 402 | public class CompletableFutureTest exten
402		return (x == null) ? null : x + 1;
403		}
404
405	<	static final Supplier<Integer> supplyOne =
406	<	() -> Integer.valueOf(1);
407	<	static final Function<Integer, Integer> inc =
408	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
337	<	static final BiFunction<Integer, Integer, Integer> subtract =
338	<	(Integer x, Integer y) -> subtract(x, y);
339	<	static final class IncAction implements Consumer<Integer> {
340	<	int invocationCount = 0;
341	<	Integer value;
405	>	class NoopConsumer extends CheckedIntegerAction
406	>	implements Consumer<Integer>
407	>	{
408	>	NoopConsumer(ExecutionMode m) { super(m); }
409		public void accept(Integer x) {
410	<	invocationCount++;
411	<	value = inc(x);
410	>	invoked();
411	>	value = x;
412		}
413		}
414	<	static final class IncFunction implements Function<Integer,Integer> {
415	<	int invocationCount = 0;
416	<	Integer value;
414	>
415	>	class IncFunction extends CheckedIntegerAction
416	>	implements Function<Integer,Integer>
417	>	{
418	>	IncFunction(ExecutionMode m) { super(m); }
419		public Integer apply(Integer x) {
420	<	invocationCount++;
420	>	invoked();
421		return value = inc(x);
422		}
423		}
424	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
425	<	int invocationCount = 0;
426	<	Integer value;
427	<	// Check this action was invoked exactly once when result is computed.
424	>
425	>	// Choose non-commutative actions for better coverage
426	>	// A non-commutative function that handles and produces null values as well.
427	>	static Integer subtract(Integer x, Integer y) {
428	>	return (x == null && y == null) ? null :
429	>	((x == null) ? 42 : x.intValue())
430	>	- ((y == null) ? 99 : y.intValue());
431	>	}
432	>
433	>	class SubtractAction extends CheckedIntegerAction
434	>	implements BiConsumer<Integer, Integer>
435	>	{
436	>	SubtractAction(ExecutionMode m) { super(m); }
437		public void accept(Integer x, Integer y) {
438	<	invocationCount++;
438	>	invoked();
439		value = subtract(x, y);
440		}
441		}
442	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
443	<	int invocationCount = 0;
444	<	Integer value;
445	<	// Check this action was invoked exactly once when result is computed.
442	>
443	>	class SubtractFunction extends CheckedIntegerAction
444	>	implements BiFunction<Integer, Integer, Integer>
445	>	{
446	>	SubtractFunction(ExecutionMode m) { super(m); }
447		public Integer apply(Integer x, Integer y) {
448	<	invocationCount++;
448	>	invoked();
449		return value = subtract(x, y);
450		}
451		}
452	<	static final class Noop implements Runnable {
453	<	int invocationCount = 0;
452	>
453	>	class Noop extends CheckedAction implements Runnable {
454	>	Noop(ExecutionMode m) { super(m); }
455		public void run() {
456	<	invocationCount++;
456	>	invoked();
457		}
458		}
459
460	<	static final class FailingSupplier implements Supplier<Integer> {
461	<	int invocationCount = 0;
460	>	class FailingSupplier extends CheckedAction
461	>	implements Supplier<Integer>
462	>	{
463	>	final CFException ex;
464	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
465		public Integer get() {
466	<	invocationCount++;
467	<	throw new CFException();
466	>	invoked();
467	>	throw ex;
468		}
469		}
470	<	static final class FailingConsumer implements Consumer<Integer> {
471	<	int invocationCount = 0;
470	>
471	>	class FailingConsumer extends CheckedIntegerAction
472	>	implements Consumer<Integer>
473	>	{
474	>	final CFException ex;
475	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
476		public void accept(Integer x) {
477	<	invocationCount++;
478	<	throw new CFException();
477	>	invoked();
478	>	value = x;
479	>	throw ex;
480		}
481		}
482	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
483	<	int invocationCount = 0;
482	>
483	>	class FailingBiConsumer extends CheckedIntegerAction
484	>	implements BiConsumer<Integer, Integer>
485	>	{
486	>	final CFException ex;
487	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
488		public void accept(Integer x, Integer y) {
489	<	invocationCount++;
490	<	throw new CFException();
489	>	invoked();
490	>	value = subtract(x, y);
491	>	throw ex;
492		}
493		}
494	<	static final class FailingFunction implements Function<Integer, Integer> {
495	<	int invocationCount = 0;
494	>
495	>	class FailingFunction extends CheckedIntegerAction
496	>	implements Function<Integer, Integer>
497	>	{
498	>	final CFException ex;
499	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
500		public Integer apply(Integer x) {
501	<	invocationCount++;
502	<	throw new CFException();
501	>	invoked();
502	>	value = x;
503	>	throw ex;
504		}
505		}
506	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
507	<	int invocationCount = 0;
506	>
507	>	class FailingBiFunction extends CheckedIntegerAction
508	>	implements BiFunction<Integer, Integer, Integer>
509	>	{
510	>	final CFException ex;
511	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
512		public Integer apply(Integer x, Integer y) {
513	<	invocationCount++;
514	<	throw new CFException();
513	>	invoked();
514	>	value = subtract(x, y);
515	>	throw ex;
516		}
517		}
518	<	static final class FailingNoop implements Runnable {
519	<	int invocationCount = 0;
518	>
519	>	class FailingRunnable extends CheckedAction implements Runnable {
520	>	final CFException ex;
521	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
522		public void run() {
523	<	invocationCount++;
524	<	throw new CFException();
523	>	invoked();
524	>	throw ex;
525		}
526		}
527
528	<	static final class CompletableFutureInc
529	<	implements Function<Integer, CompletableFuture<Integer>> {
530	<	int invocationCount = 0;
528	>	class CompletableFutureInc extends CheckedIntegerAction
529	>	implements Function<Integer, CompletableFuture<Integer>>
530	>	{
531	>	CompletableFutureInc(ExecutionMode m) { super(m); }
532		public CompletableFuture<Integer> apply(Integer x) {
533	<	invocationCount++;
533	>	invoked();
534	>	value = x;
535		CompletableFuture<Integer> f = new CompletableFuture<>();
536	<	f.complete(inc(x));
536	>	assertTrue(f.complete(inc(x)));
537		return f;
538		}
539		}
540
541	<	static final class FailingCompletableFutureFunction
542	<	implements Function<Integer, CompletableFuture<Integer>> {
543	<	int invocationCount = 0;
541	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
542	>	implements Function<Integer, CompletableFuture<Integer>>
543	>	{
544	>	final CFException ex;
545	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
546		public CompletableFuture<Integer> apply(Integer x) {
547	<	invocationCount++;
548	<	throw new CFException();
547	>	invoked();
548	>	value = x;
549	>	throw ex;
550		}
551		}
552
553		// Used for explicit executor tests
554		static final class ThreadExecutor implements Executor {
555	<	AtomicInteger count = new AtomicInteger(0);
555	>	final AtomicInteger count = new AtomicInteger(0);
556	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
557	>	static boolean startedCurrentThread() {
558	>	return Thread.currentThread().getThreadGroup() == tg;
559	>	}
560
561		public void execute(Runnable r) {
562		count.getAndIncrement();
563	<	new Thread(r).start();
563	>	new Thread(tg, r).start();
564		}
565		}
566
567	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
568	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
455	<	}
456	<
457	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
458	<	int invocationCount = 0;
459	<	public Integer apply(Integer x, Throwable t) {
460	<	invocationCount++;
461	<	return (t == null) ? two : three;
462	<	}
463	<	}
567	>	static final boolean defaultExecutorIsCommonPool
568	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
569
570		/**
571		* Permits the testing of parallel code for the 3 different
572	<	* execution modes without repeating all the testing code.
572	>	* execution modes without copy/pasting all the test methods.
573		*/
574		enum ExecutionMode {
575	<	DEFAULT {
575	>	SYNC {
576	>	public void checkExecutionMode() {
577	>	assertFalse(ThreadExecutor.startedCurrentThread());
578	>	assertNull(ForkJoinTask.getPool());
579	>	}
580	>	public CompletableFuture<Void> runAsync(Runnable a) {
581	>	throw new UnsupportedOperationException();
582	>	}
583	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
584	>	throw new UnsupportedOperationException();
585	>	}
586	>	public <T> CompletableFuture<Void> thenRun
587	>	(CompletableFuture<T> f, Runnable a) {
588	>	return f.thenRun(a);
589	>	}
590	>	public <T> CompletableFuture<Void> thenAccept
591	>	(CompletableFuture<T> f, Consumer<? super T> a) {
592	>	return f.thenAccept(a);
593	>	}
594	>	public <T,U> CompletableFuture<U> thenApply
595	>	(CompletableFuture<T> f, Function<? super T,U> a) {
596	>	return f.thenApply(a);
597	>	}
598	>	public <T,U> CompletableFuture<U> thenCompose
599	>	(CompletableFuture<T> f,
600	>	Function<? super T,? extends CompletionStage<U>> a) {
601	>	return f.thenCompose(a);
602	>	}
603	>	public <T,U> CompletableFuture<U> handle
604	>	(CompletableFuture<T> f,
605	>	BiFunction<? super T,Throwable,? extends U> a) {
606	>	return f.handle(a);
607	>	}
608	>	public <T> CompletableFuture<T> whenComplete
609	>	(CompletableFuture<T> f,
610	>	BiConsumer<? super T,? super Throwable> a) {
611	>	return f.whenComplete(a);
612	>	}
613		public <T,U> CompletableFuture<Void> runAfterBoth
614		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
615		return f.runAfterBoth(g, a);
#	Line 484 | Line 626 | public class CompletableFutureTest exten
626		BiFunction<? super T,? super U,? extends V> a) {
627		return f.thenCombine(g, a);
628		}
629	<	public <T,U> CompletableFuture<U> applyToEither
629	>	public <T> CompletableFuture<Void> runAfterEither
630		(CompletableFuture<T> f,
631	<	CompletionStage<? extends T> g,
632	<	Function<? super T,U> a) {
633	<	return f.applyToEither(g, a);
631	>	CompletionStage<?> g,
632	>	java.lang.Runnable a) {
633	>	return f.runAfterEither(g, a);
634		}
635		public <T> CompletableFuture<Void> acceptEither
636		(CompletableFuture<T> f,
#	Line 496 | Line 638 | public class CompletableFutureTest exten
638		Consumer<? super T> a) {
639		return f.acceptEither(g, a);
640		}
641	<	public <T> CompletableFuture<Void> runAfterEither
641	>	public <T,U> CompletableFuture<U> applyToEither
642		(CompletableFuture<T> f,
643	<	CompletionStage<?> g,
644	<	java.lang.Runnable a) {
645	<	return f.runAfterEither(g, a);
643	>	CompletionStage<? extends T> g,
644	>	Function<? super T,U> a) {
645	>	return f.applyToEither(g, a);
646	>	}
647	>	},
648	>
649	>	ASYNC {
650	>	public void checkExecutionMode() {
651	>	assertEquals(defaultExecutorIsCommonPool,
652	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
653	>	}
654	>	public CompletableFuture<Void> runAsync(Runnable a) {
655	>	return CompletableFuture.runAsync(a);
656	>	}
657	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
658	>	return CompletableFuture.supplyAsync(a);
659	>	}
660	>	public <T> CompletableFuture<Void> thenRun
661	>	(CompletableFuture<T> f, Runnable a) {
662	>	return f.thenRunAsync(a);
663	>	}
664	>	public <T> CompletableFuture<Void> thenAccept
665	>	(CompletableFuture<T> f, Consumer<? super T> a) {
666	>	return f.thenAcceptAsync(a);
667	>	}
668	>	public <T,U> CompletableFuture<U> thenApply
669	>	(CompletableFuture<T> f, Function<? super T,U> a) {
670	>	return f.thenApplyAsync(a);
671		}
672		public <T,U> CompletableFuture<U> thenCompose
673		(CompletableFuture<T> f,
674		Function<? super T,? extends CompletionStage<U>> a) {
675	<	return f.thenCompose(a);
675	>	return f.thenComposeAsync(a);
676	>	}
677	>	public <T,U> CompletableFuture<U> handle
678	>	(CompletableFuture<T> f,
679	>	BiFunction<? super T,Throwable,? extends U> a) {
680	>	return f.handleAsync(a);
681		}
682		public <T> CompletableFuture<T> whenComplete
683		(CompletableFuture<T> f,
684		BiConsumer<? super T,? super Throwable> a) {
685	<	return f.whenComplete(a);
685	>	return f.whenCompleteAsync(a);
686		}
515	–	},
516	–
517	–	DEFAULT_ASYNC {
687		public <T,U> CompletableFuture<Void> runAfterBoth
688		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
689		return f.runAfterBothAsync(g, a);
#	Line 531 | Line 700 | public class CompletableFutureTest exten
700		BiFunction<? super T,? super U,? extends V> a) {
701		return f.thenCombineAsync(g, a);
702		}
703	<	public <T,U> CompletableFuture<U> applyToEither
703	>	public <T> CompletableFuture<Void> runAfterEither
704		(CompletableFuture<T> f,
705	<	CompletionStage<? extends T> g,
706	<	Function<? super T,U> a) {
707	<	return f.applyToEitherAsync(g, a);
705	>	CompletionStage<?> g,
706	>	java.lang.Runnable a) {
707	>	return f.runAfterEitherAsync(g, a);
708		}
709		public <T> CompletableFuture<Void> acceptEither
710		(CompletableFuture<T> f,
#	Line 543 | Line 712 | public class CompletableFutureTest exten
712		Consumer<? super T> a) {
713		return f.acceptEitherAsync(g, a);
714		}
715	<	public <T> CompletableFuture<Void> runAfterEither
715	>	public <T,U> CompletableFuture<U> applyToEither
716		(CompletableFuture<T> f,
717	<	CompletionStage<?> g,
718	<	java.lang.Runnable a) {
719	<	return f.runAfterEitherAsync(g, a);
717	>	CompletionStage<? extends T> g,
718	>	Function<? super T,U> a) {
719	>	return f.applyToEitherAsync(g, a);
720	>	}
721	>	},
722	>
723	>	EXECUTOR {
724	>	public void checkExecutionMode() {
725	>	assertTrue(ThreadExecutor.startedCurrentThread());
726	>	}
727	>	public CompletableFuture<Void> runAsync(Runnable a) {
728	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
729	>	}
730	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
731	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
732	>	}
733	>	public <T> CompletableFuture<Void> thenRun
734	>	(CompletableFuture<T> f, Runnable a) {
735	>	return f.thenRunAsync(a, new ThreadExecutor());
736	>	}
737	>	public <T> CompletableFuture<Void> thenAccept
738	>	(CompletableFuture<T> f, Consumer<? super T> a) {
739	>	return f.thenAcceptAsync(a, new ThreadExecutor());
740	>	}
741	>	public <T,U> CompletableFuture<U> thenApply
742	>	(CompletableFuture<T> f, Function<? super T,U> a) {
743	>	return f.thenApplyAsync(a, new ThreadExecutor());
744		}
745		public <T,U> CompletableFuture<U> thenCompose
746		(CompletableFuture<T> f,
747		Function<? super T,? extends CompletionStage<U>> a) {
748	<	return f.thenComposeAsync(a);
748	>	return f.thenComposeAsync(a, new ThreadExecutor());
749	>	}
750	>	public <T,U> CompletableFuture<U> handle
751	>	(CompletableFuture<T> f,
752	>	BiFunction<? super T,Throwable,? extends U> a) {
753	>	return f.handleAsync(a, new ThreadExecutor());
754		}
755		public <T> CompletableFuture<T> whenComplete
756		(CompletableFuture<T> f,
757		BiConsumer<? super T,? super Throwable> a) {
758	<	return f.whenCompleteAsync(a);
758	>	return f.whenCompleteAsync(a, new ThreadExecutor());
759		}
562	–	},
563	–
564	–	EXECUTOR {
760		public <T,U> CompletableFuture<Void> runAfterBoth
761		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
762		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 578 | Line 773 | public class CompletableFutureTest exten
773		BiFunction<? super T,? super U,? extends V> a) {
774		return f.thenCombineAsync(g, a, new ThreadExecutor());
775		}
581	–	public <T,U> CompletableFuture<U> applyToEither
582	–	(CompletableFuture<T> f,
583	–	CompletionStage<? extends T> g,
584	–	Function<? super T,U> a) {
585	–	return f.applyToEitherAsync(g, a, new ThreadExecutor());
586	–	}
587	–	public <T> CompletableFuture<Void> acceptEither
588	–	(CompletableFuture<T> f,
589	–	CompletionStage<? extends T> g,
590	–	Consumer<? super T> a) {
591	–	return f.acceptEitherAsync(g, a, new ThreadExecutor());
592	–	}
776		public <T> CompletableFuture<Void> runAfterEither
777		(CompletableFuture<T> f,
778		CompletionStage<?> g,
779		java.lang.Runnable a) {
780		return f.runAfterEitherAsync(g, a, new ThreadExecutor());
781		}
782	<	public <T,U> CompletableFuture<U> thenCompose
782	>	public <T> CompletableFuture<Void> acceptEither
783		(CompletableFuture<T> f,
784	<	Function<? super T,? extends CompletionStage<U>> a) {
785	<	return f.thenComposeAsync(a, new ThreadExecutor());
784	>	CompletionStage<? extends T> g,
785	>	Consumer<? super T> a) {
786	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
787		}
788	<	public <T> CompletableFuture<T> whenComplete
788	>	public <T,U> CompletableFuture<U> applyToEither
789		(CompletableFuture<T> f,
790	<	BiConsumer<? super T,? super Throwable> a) {
791	<	return f.whenCompleteAsync(a, new ThreadExecutor());
790	>	CompletionStage<? extends T> g,
791	>	Function<? super T,U> a) {
792	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
793		}
794		};
795
796	+	public abstract void checkExecutionMode();
797	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
798	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
799	+	public abstract <T> CompletableFuture<Void> thenRun
800	+	(CompletableFuture<T> f, Runnable a);
801	+	public abstract <T> CompletableFuture<Void> thenAccept
802	+	(CompletableFuture<T> f, Consumer<? super T> a);
803	+	public abstract <T,U> CompletableFuture<U> thenApply
804	+	(CompletableFuture<T> f, Function<? super T,U> a);
805	+	public abstract <T,U> CompletableFuture<U> thenCompose
806	+	(CompletableFuture<T> f,
807	+	Function<? super T,? extends CompletionStage<U>> a);
808	+	public abstract <T,U> CompletableFuture<U> handle
809	+	(CompletableFuture<T> f,
810	+	BiFunction<? super T,Throwable,? extends U> a);
811	+	public abstract <T> CompletableFuture<T> whenComplete
812	+	(CompletableFuture<T> f,
813	+	BiConsumer<? super T,? super Throwable> a);
814		public abstract <T,U> CompletableFuture<Void> runAfterBoth
815		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
816		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
#	Line 618 | Line 821 | public class CompletableFutureTest exten
821		(CompletableFuture<T> f,
822		CompletionStage<? extends U> g,
823		BiFunction<? super T,? super U,? extends V> a);
621	–	public abstract <T,U> CompletableFuture<U> applyToEither
622	–	(CompletableFuture<T> f,
623	–	CompletionStage<? extends T> g,
624	–	Function<? super T,U> a);
625	–	public abstract <T> CompletableFuture<Void> acceptEither
626	–	(CompletableFuture<T> f,
627	–	CompletionStage<? extends T> g,
628	–	Consumer<? super T> a);
824		public abstract <T> CompletableFuture<Void> runAfterEither
825		(CompletableFuture<T> f,
826		CompletionStage<?> g,
827		java.lang.Runnable a);
828	<	public abstract <T,U> CompletableFuture<U> thenCompose
828	>	public abstract <T> CompletableFuture<Void> acceptEither
829		(CompletableFuture<T> f,
830	<	Function<? super T,? extends CompletionStage<U>> a);
831	<	public abstract <T> CompletableFuture<T> whenComplete
830	>	CompletionStage<? extends T> g,
831	>	Consumer<? super T> a);
832	>	public abstract <T,U> CompletableFuture<U> applyToEither
833		(CompletableFuture<T> f,
834	<	BiConsumer<? super T,? super Throwable> a);
835	<
640	<
641	<	}
642	<
643	<	/**
644	<	* exceptionally action completes with function value on source
645	<	* exception; otherwise with source value
646	<	*/
647	<	public void testExceptionally() {
648	<	CompletableFuture<Integer> f = new CompletableFuture<>();
649	<	ExceptionToInteger r = new ExceptionToInteger();
650	<	CompletableFuture<Integer> g = f.exceptionally(r);
651	<	f.completeExceptionally(new CFException());
652	<	checkCompletedNormally(g, three);
653	<
654	<	f = new CompletableFuture<>();
655	<	r = new ExceptionToInteger();
656	<	g = f.exceptionally(r);
657	<	f.complete(one);
658	<	checkCompletedNormally(g, one);
659	<	}
660	<
661	<	/**
662	<	* handle action completes normally with function value on either
663	<	* normal or exceptional completion of source
664	<	*/
665	<	public void testHandle() {
666	<	CompletableFuture<Integer> f, g;
667	<	IntegerHandler r;
668	<
669	<	f = new CompletableFuture<>();
670	<	f.completeExceptionally(new CFException());
671	<	g = f.handle(r = new IntegerHandler());
672	<	assertEquals(1, r.invocationCount);
673	<	assertEquals(1, r.invocationCount);
674	<	checkCompletedNormally(g, three);
675	<
676	<	f = new CompletableFuture<>();
677	<	g = f.handle(r = new IntegerHandler());
678	<	assertEquals(0, r.invocationCount);
679	<	f.completeExceptionally(new CFException());
680	<	checkCompletedNormally(g, three);
681	<	assertEquals(1, r.invocationCount);
682	<
683	<	f = new CompletableFuture<>();
684	<	f.complete(one);
685	<	g = f.handle(r = new IntegerHandler());
686	<	assertEquals(1, r.invocationCount);
687	<	checkCompletedNormally(g, two);
688	<
689	<	f = new CompletableFuture<>();
690	<	g = f.handle(r = new IntegerHandler());
691	<	assertEquals(0, r.invocationCount);
692	<	f.complete(one);
693	<	assertEquals(1, r.invocationCount);
694	<	checkCompletedNormally(g, two);
695	<	}
696	<
697	<	/**
698	<	* runAsync completes after running Runnable
699	<	*/
700	<	public void testRunAsync() {
701	<	Noop r = new Noop();
702	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
703	<	assertNull(f.join());
704	<	assertEquals(1, r.invocationCount);
705	<	checkCompletedNormally(f, null);
706	<	}
707	<
708	<	/**
709	<	* runAsync with executor completes after running Runnable
710	<	*/
711	<	public void testRunAsync2() {
712	<	Noop r = new Noop();
713	<	ThreadExecutor exec = new ThreadExecutor();
714	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
715	<	assertNull(f.join());
716	<	assertEquals(1, r.invocationCount);
717	<	checkCompletedNormally(f, null);
718	<	assertEquals(1, exec.count.get());
719	<	}
720	<
721	<	/**
722	<	* failing runAsync completes exceptionally after running Runnable
723	<	*/
724	<	public void testRunAsync3() {
725	<	FailingNoop r = new FailingNoop();
726	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
727	<	checkCompletedWithWrappedCFException(f);
728	<	assertEquals(1, r.invocationCount);
834	>	CompletionStage<? extends T> g,
835	>	Function<? super T,U> a);
836		}
837
838		/**
839	<	* supplyAsync completes with result of supplier
839	>	* exceptionally action is not invoked when source completes
840	>	* normally, and source result is propagated
841		*/
842	<	public void testSupplyAsync() {
843	<	CompletableFuture<Integer> f;
844	<	f = CompletableFuture.supplyAsync(supplyOne);
845	<	assertEquals(f.join(), one);
846	<	checkCompletedNormally(f, one);
847	<	}
842	>	public void testExceptionally_normalCompletion() {
843	>	for (boolean createIncomplete : new boolean[] { true, false })
844	>	for (Integer v1 : new Integer[] { 1, null })
845	>	{
846	>	final AtomicInteger a = new AtomicInteger(0);
847	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
848	>	if (!createIncomplete) assertTrue(f.complete(v1));
849	>	final CompletableFuture<Integer> g = f.exceptionally
850	>	((Throwable t) -> {
851	>	a.getAndIncrement();
852	>	threadFail("should not be called");
853	>	return null;            // unreached
854	>	});
855	>	if (createIncomplete) assertTrue(f.complete(v1));
856
857	<	/**
858	<	* supplyAsync with executor completes with result of supplier
859	<	*/
860	<	public void testSupplyAsync2() {
745	<	CompletableFuture<Integer> f;
746	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
747	<	assertEquals(f.join(), one);
748	<	checkCompletedNormally(f, one);
749	<	}
857	>	checkCompletedNormally(g, v1);
858	>	checkCompletedNormally(f, v1);
859	>	assertEquals(0, a.get());
860	>	}}
861
862		/**
863	<	* Failing supplyAsync completes exceptionally
863	>	* exceptionally action completes with function value on source
864	>	* exception
865		*/
866	<	public void testSupplyAsync3() {
867	<	FailingSupplier r = new FailingSupplier();
868	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
869	<	checkCompletedWithWrappedCFException(f);
870	<	assertEquals(1, r.invocationCount);
871	<	}
866	>	public void testExceptionally_exceptionalCompletion() {
867	>	for (boolean createIncomplete : new boolean[] { true, false })
868	>	for (Integer v1 : new Integer[] { 1, null })
869	>	{
870	>	final AtomicInteger a = new AtomicInteger(0);
871	>	final CFException ex = new CFException();
872	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
873	>	if (!createIncomplete) f.completeExceptionally(ex);
874	>	final CompletableFuture<Integer> g = f.exceptionally
875	>	((Throwable t) -> {
876	>	ExecutionMode.SYNC.checkExecutionMode();
877	>	threadAssertSame(t, ex);
878	>	a.getAndIncrement();
879	>	return v1;
880	>	});
881	>	if (createIncomplete) f.completeExceptionally(ex);
882
883	<	// seq completion methods
883	>	checkCompletedNormally(g, v1);
884	>	assertEquals(1, a.get());
885	>	}}
886
887		/**
888	<	* thenRun result completes normally after normal completion of source
888	>	* If an "exceptionally action" throws an exception, it completes
889	>	* exceptionally with that exception
890		*/
891	<	public void testThenRun() {
892	<	CompletableFuture<Integer> f;
893	<	CompletableFuture<Void> g;
894	<	Noop r;
895	<
896	<	f = new CompletableFuture<>();
897	<	g = f.thenRun(r = new Noop());
898	<	f.complete(null);
899	<	checkCompletedNormally(g, null);
900	<	assertEquals(1, r.invocationCount);
891	>	public void testExceptionally_exceptionalCompletionActionFailed() {
892	>	for (boolean createIncomplete : new boolean[] { true, false })
893	>	{
894	>	final AtomicInteger a = new AtomicInteger(0);
895	>	final CFException ex1 = new CFException();
896	>	final CFException ex2 = new CFException();
897	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
898	>	if (!createIncomplete) f.completeExceptionally(ex1);
899	>	final CompletableFuture<Integer> g = f.exceptionally
900	>	((Throwable t) -> {
901	>	ExecutionMode.SYNC.checkExecutionMode();
902	>	threadAssertSame(t, ex1);
903	>	a.getAndIncrement();
904	>	throw ex2;
905	>	});
906	>	if (createIncomplete) f.completeExceptionally(ex1);
907
908	<	f = new CompletableFuture<>();
909	<	f.complete(null);
910	<	g = f.thenRun(r = new Noop());
911	<	checkCompletedNormally(g, null);
781	<	assertEquals(1, r.invocationCount);
782	<	}
908	>	checkCompletedWithWrappedException(g, ex2);
909	>	checkCompletedExceptionally(f, ex1);
910	>	assertEquals(1, a.get());
911	>	}}
912
913		/**
914	<	* thenRun result completes exceptionally after exceptional
915	<	* completion of source
914	>	* whenComplete action executes on normal completion, propagating
915	>	* source result.
916		*/
917	<	public void testThenRun2() {
918	<	CompletableFuture<Integer> f;
919	<	CompletableFuture<Void> g;
920	<	Noop r;
921	<
922	<	f = new CompletableFuture<>();
923	<	g = f.thenRun(r = new Noop());
924	<	f.completeExceptionally(new CFException());
925	<	checkCompletedWithWrappedCFException(g);
926	<	assertEquals(0, r.invocationCount);
917	>	public void testWhenComplete_normalCompletion() {
918	>	for (ExecutionMode m : ExecutionMode.values())
919	>	for (boolean createIncomplete : new boolean[] { true, false })
920	>	for (Integer v1 : new Integer[] { 1, null })
921	>	{
922	>	final AtomicInteger a = new AtomicInteger(0);
923	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
924	>	if (!createIncomplete) assertTrue(f.complete(v1));
925	>	final CompletableFuture<Integer> g = m.whenComplete
926	>	(f,
927	>	(Integer result, Throwable t) -> {
928	>	m.checkExecutionMode();
929	>	threadAssertSame(result, v1);
930	>	threadAssertNull(t);
931	>	a.getAndIncrement();
932	>	});
933	>	if (createIncomplete) assertTrue(f.complete(v1));
934
935	<	f = new CompletableFuture<>();
936	<	f.completeExceptionally(new CFException());
937	<	g = f.thenRun(r = new Noop());
938	<	checkCompletedWithWrappedCFException(g);
803	<	assertEquals(0, r.invocationCount);
804	<	}
935	>	checkCompletedNormally(g, v1);
936	>	checkCompletedNormally(f, v1);
937	>	assertEquals(1, a.get());
938	>	}}
939
940		/**
941	<	* thenRun result completes exceptionally if action does
941	>	* whenComplete action executes on exceptional completion, propagating
942	>	* source result.
943		*/
944	<	public void testThenRun3() {
945	<	CompletableFuture<Integer> f;
946	<	CompletableFuture<Void> g;
947	<	FailingNoop r;
948	<
949	<	f = new CompletableFuture<>();
950	<	g = f.thenRun(r = new FailingNoop());
951	<	f.complete(null);
952	<	checkCompletedWithWrappedCFException(g);
944	>	public void testWhenComplete_exceptionalCompletion() {
945	>	for (ExecutionMode m : ExecutionMode.values())
946	>	for (boolean createIncomplete : new boolean[] { true, false })
947	>	{
948	>	final AtomicInteger a = new AtomicInteger(0);
949	>	final CFException ex = new CFException();
950	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
951	>	if (!createIncomplete) f.completeExceptionally(ex);
952	>	final CompletableFuture<Integer> g = m.whenComplete
953	>	(f,
954	>	(Integer result, Throwable t) -> {
955	>	m.checkExecutionMode();
956	>	threadAssertNull(result);
957	>	threadAssertSame(t, ex);
958	>	a.getAndIncrement();
959	>	});
960	>	if (createIncomplete) f.completeExceptionally(ex);
961
962	<	f = new CompletableFuture<>();
963	<	f.complete(null);
964	<	g = f.thenRun(r = new FailingNoop());
965	<	checkCompletedWithWrappedCFException(g);
823	<	}
962	>	checkCompletedWithWrappedException(g, ex);
963	>	checkCompletedExceptionally(f, ex);
964	>	assertEquals(1, a.get());
965	>	}}
966
967		/**
968	<	* thenRun result completes exceptionally if source cancelled
968	>	* whenComplete action executes on cancelled source, propagating
969	>	* CancellationException.
970		*/
971	<	public void testThenRun4() {
972	<	CompletableFuture<Integer> f;
973	<	CompletableFuture<Void> g;
974	<	Noop r;
975	<
976	<	f = new CompletableFuture<>();
977	<	g = f.thenRun(r = new Noop());
978	<	assertTrue(f.cancel(true));
979	<	checkCompletedWithWrappedCancellationException(g);
971	>	public void testWhenComplete_sourceCancelled() {
972	>	for (ExecutionMode m : ExecutionMode.values())
973	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
974	>	for (boolean createIncomplete : new boolean[] { true, false })
975	>	{
976	>	final AtomicInteger a = new AtomicInteger(0);
977	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
978	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
979	>	final CompletableFuture<Integer> g = m.whenComplete
980	>	(f,
981	>	(Integer result, Throwable t) -> {
982	>	m.checkExecutionMode();
983	>	threadAssertNull(result);
984	>	threadAssertTrue(t instanceof CancellationException);
985	>	a.getAndIncrement();
986	>	});
987	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
988
838	–	f = new CompletableFuture<>();
839	–	assertTrue(f.cancel(true));
840	–	g = f.thenRun(r = new Noop());
989		checkCompletedWithWrappedCancellationException(g);
990	<	}
990	>	checkCancelled(f);
991	>	assertEquals(1, a.get());
992	>	}}
993
994		/**
995	<	* thenApply result completes normally after normal completion of source
995	>	* If a whenComplete action throws an exception when triggered by
996	>	* a normal completion, it completes exceptionally
997		*/
998	<	public void testThenApply() {
999	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1000	<	CompletableFuture<Integer> g = f.thenApply(inc);
1001	<	f.complete(one);
1002	<	checkCompletedNormally(g, two);
1003	<	}
998	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
999	>	for (boolean createIncomplete : new boolean[] { true, false })
1000	>	for (ExecutionMode m : ExecutionMode.values())
1001	>	for (Integer v1 : new Integer[] { 1, null })
1002	>	{
1003	>	final AtomicInteger a = new AtomicInteger(0);
1004	>	final CFException ex = new CFException();
1005	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	>	if (!createIncomplete) assertTrue(f.complete(v1));
1007	>	final CompletableFuture<Integer> g = m.whenComplete
1008	>	(f,
1009	>	(Integer result, Throwable t) -> {
1010	>	m.checkExecutionMode();
1011	>	threadAssertSame(result, v1);
1012	>	threadAssertNull(t);
1013	>	a.getAndIncrement();
1014	>	throw ex;
1015	>	});
1016	>	if (createIncomplete) assertTrue(f.complete(v1));
1017
1018	<	/**
1019	<	* thenApply result completes exceptionally after exceptional
1020	<	* completion of source
1021	<	*/
858	<	public void testThenApply2() {
859	<	CompletableFuture<Integer> f = new CompletableFuture<>();
860	<	CompletableFuture<Integer> g = f.thenApply(inc);
861	<	f.completeExceptionally(new CFException());
862	<	checkCompletedWithWrappedCFException(g);
863	<	}
1018	>	checkCompletedWithWrappedException(g, ex);
1019	>	checkCompletedNormally(f, v1);
1020	>	assertEquals(1, a.get());
1021	>	}}
1022
1023		/**
1024	<	* thenApply result completes exceptionally if action does
1024	>	* If a whenComplete action throws an exception when triggered by
1025	>	* a source completion that also throws an exception, the source
1026	>	* exception takes precedence (unlike handle)
1027		*/
1028	<	public void testThenApply3() {
1029	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1030	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1031	<	f.complete(one);
1032	<	checkCompletedWithWrappedCFException(g);
1033	<	}
1028	>	public void testWhenComplete_sourceFailedActionFailed() {
1029	>	for (boolean createIncomplete : new boolean[] { true, false })
1030	>	for (ExecutionMode m : ExecutionMode.values())
1031	>	{
1032	>	final AtomicInteger a = new AtomicInteger(0);
1033	>	final CFException ex1 = new CFException();
1034	>	final CFException ex2 = new CFException();
1035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1036
1037	<	/**
1038	<	* thenApply result completes exceptionally if source cancelled
1039	<	*/
1040	<	public void testThenApply4() {
1041	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1042	<	CompletableFuture<Integer> g = f.thenApply(inc);
1043	<	assertTrue(f.cancel(true));
1044	<	checkCompletedWithWrappedCancellationException(g);
1045	<	}
1037	>	if (!createIncomplete) f.completeExceptionally(ex1);
1038	>	final CompletableFuture<Integer> g = m.whenComplete
1039	>	(f,
1040	>	(Integer result, Throwable t) -> {
1041	>	m.checkExecutionMode();
1042	>	threadAssertSame(t, ex1);
1043	>	threadAssertNull(result);
1044	>	a.getAndIncrement();
1045	>	throw ex2;
1046	>	});
1047	>	if (createIncomplete) f.completeExceptionally(ex1);
1048
1049	<	/**
1050	<	* thenAccept result completes normally after normal completion of source
1051	<	*/
1052	<	public void testThenAccept() {
1053	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1054	<	IncAction r = new IncAction();
1055	<	CompletableFuture<Void> g = f.thenAccept(r);
1056	<	f.complete(one);
893	<	checkCompletedNormally(g, null);
894	<	assertEquals(r.value, (Integer) 2);
895	<	}
1049	>	checkCompletedWithWrappedException(g, ex1);
1050	>	checkCompletedExceptionally(f, ex1);
1051	>	if (testImplementationDetails) {
1052	>	assertEquals(1, ex1.getSuppressed().length);
1053	>	assertSame(ex2, ex1.getSuppressed()[0]);
1054	>	}
1055	>	assertEquals(1, a.get());
1056	>	}}
1057
1058		/**
1059	<	* thenAccept result completes exceptionally after exceptional
1059	>	* handle action completes normally with function value on normal
1060		* completion of source
1061		*/
1062	<	public void testThenAccept2() {
902	<	CompletableFuture<Integer> f = new CompletableFuture<>();
903	<	IncAction r = new IncAction();
904	<	CompletableFuture<Void> g = f.thenAccept(r);
905	<	f.completeExceptionally(new CFException());
906	<	checkCompletedWithWrappedCFException(g);
907	<	}
908	<
909	<	/**
910	<	* thenAccept result completes exceptionally if action does
911	<	*/
912	<	public void testThenAccept3() {
913	<	CompletableFuture<Integer> f = new CompletableFuture<>();
914	<	FailingConsumer r = new FailingConsumer();
915	<	CompletableFuture<Void> g = f.thenAccept(r);
916	<	f.complete(one);
917	<	checkCompletedWithWrappedCFException(g);
918	<	assertEquals(1, r.invocationCount);
919	<	}
920	<
921	<	/**
922	<	* thenAccept result completes exceptionally if source cancelled
923	<	*/
924	<	public void testThenAccept4() {
925	<	CompletableFuture<Integer> f = new CompletableFuture<>();
926	<	IncAction r = new IncAction();
927	<	CompletableFuture<Void> g = f.thenAccept(r);
928	<	assertTrue(f.cancel(true));
929	<	checkCompletedWithWrappedCancellationException(g);
930	<	}
931	<
932	<	/**
933	<	* thenCombine result completes normally after normal completion
934	<	* of sources
935	<	*/
936	<	public void testThenCombine_normalCompletion1() {
937	<	for (boolean createIncomplete : new boolean[] { true, false })
938	<	for (boolean fFirst : new boolean[] { true, false })
1062	>	public void testHandle_normalCompletion() {
1063		for (ExecutionMode m : ExecutionMode.values())
1064	+	for (boolean createIncomplete : new boolean[] { true, false })
1065		for (Integer v1 : new Integer[] { 1, null })
1066	<	for (Integer v2 : new Integer[] { 2, null }) {
942	<
1066	>	{
1067		final CompletableFuture<Integer> f = new CompletableFuture<>();
1068	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1069	<	final SubtractFunction r = new SubtractFunction();
1070	<	CompletableFuture<Integer> h = null;
1071	<	if (createIncomplete) h = m.thenCombine(f, g, r);
1072	<
1073	<	if (fFirst)
1074	<	f.complete(v1);
1075	<	else
1076	<	g.complete(v2);
1077	<	if (createIncomplete) checkIncomplete(h);
1078	<	assertEquals(0, r.invocationCount);
1079	<	if (!fFirst)
956	<	f.complete(v1);
957	<	else
958	<	g.complete(v2);
959	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1068	>	final AtomicInteger a = new AtomicInteger(0);
1069	>	if (!createIncomplete) assertTrue(f.complete(v1));
1070	>	final CompletableFuture<Integer> g = m.handle
1071	>	(f,
1072	>	(Integer result, Throwable t) -> {
1073	>	m.checkExecutionMode();
1074	>	threadAssertSame(result, v1);
1075	>	threadAssertNull(t);
1076	>	a.getAndIncrement();
1077	>	return inc(v1);
1078	>	});
1079	>	if (createIncomplete) assertTrue(f.complete(v1));
1080
1081	<	checkCompletedNormally(h, subtract(v1, v2));
1081	>	checkCompletedNormally(g, inc(v1));
1082		checkCompletedNormally(f, v1);
1083	<	checkCompletedNormally(g, v2);
1084	<	assertEquals(1, r.invocationCount);
965	<	}
966	<	}
1083	>	assertEquals(1, a.get());
1084	>	}}
1085
1086		/**
1087	<	* thenCombine result completes exceptionally after exceptional
1088	<	* completion of either source
1087	>	* handle action completes normally with function value on
1088	>	* exceptional completion of source
1089		*/
1090	<	public void testThenCombine_exceptionalCompletion1() {
1090	>	public void testHandle_exceptionalCompletion() {
1091		for (ExecutionMode m : ExecutionMode.values())
1092	<	for (Integer v1 : new Integer[] { 1, null }) {
1093	<
1092	>	for (boolean createIncomplete : new boolean[] { true, false })
1093	>	for (Integer v1 : new Integer[] { 1, null })
1094	>	{
1095		final CompletableFuture<Integer> f = new CompletableFuture<>();
1096	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
978	<	final SubtractFunction r = new SubtractFunction();
979	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1096	>	final AtomicInteger a = new AtomicInteger(0);
1097		final CFException ex = new CFException();
1098	+	if (!createIncomplete) f.completeExceptionally(ex);
1099	+	final CompletableFuture<Integer> g = m.handle
1100	+	(f,
1101	+	(Integer result, Throwable t) -> {
1102	+	m.checkExecutionMode();
1103	+	threadAssertNull(result);
1104	+	threadAssertSame(t, ex);
1105	+	a.getAndIncrement();
1106	+	return v1;
1107	+	});
1108	+	if (createIncomplete) f.completeExceptionally(ex);
1109
982	–	f.completeExceptionally(ex);
983	–	checkIncomplete(h);
984	–	g.complete(v1);
985	–
986	–	checkCompletedWithWrappedCFException(h, ex);
987	–	checkCompletedWithWrappedCFException(f, ex);
988	–	assertEquals(0, r.invocationCount);
1110		checkCompletedNormally(g, v1);
1111	<	}
1112	<	}
1111	>	checkCompletedExceptionally(f, ex);
1112	>	assertEquals(1, a.get());
1113	>	}}
1114
1115	<	public void testThenCombine_exceptionalCompletion2() {
1115	>	/**
1116	>	* handle action completes normally with function value on
1117	>	* cancelled source
1118	>	*/
1119	>	public void testHandle_sourceCancelled() {
1120		for (ExecutionMode m : ExecutionMode.values())
1121	<	for (Integer v1 : new Integer[] { 1, null }) {
1122	<
1121	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1122	>	for (boolean createIncomplete : new boolean[] { true, false })
1123	>	for (Integer v1 : new Integer[] { 1, null })
1124	>	{
1125		final CompletableFuture<Integer> f = new CompletableFuture<>();
1126	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1127	<	final SubtractFunction r = new SubtractFunction();
1128	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1129	<	final CFException ex = new CFException();
1130	<
1131	<	g.completeExceptionally(ex);
1132	<	checkIncomplete(h);
1133	<	f.complete(v1);
1126	>	final AtomicInteger a = new AtomicInteger(0);
1127	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1128	>	final CompletableFuture<Integer> g = m.handle
1129	>	(f,
1130	>	(Integer result, Throwable t) -> {
1131	>	m.checkExecutionMode();
1132	>	threadAssertNull(result);
1133	>	threadAssertTrue(t instanceof CancellationException);
1134	>	a.getAndIncrement();
1135	>	return v1;
1136	>	});
1137	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1138
1139	<	checkCompletedWithWrappedCFException(h, ex);
1140	<	checkCompletedWithWrappedCFException(g, ex);
1141	<	assertEquals(0, r.invocationCount);
1142	<	checkCompletedNormally(f, v1);
1011	<	}
1012	<	}
1139	>	checkCompletedNormally(g, v1);
1140	>	checkCancelled(f);
1141	>	assertEquals(1, a.get());
1142	>	}}
1143
1144	<	public void testThenCombine_exceptionalCompletion3() {
1144	>	/**
1145	>	* If a "handle action" throws an exception when triggered by
1146	>	* a normal completion, it completes exceptionally
1147	>	*/
1148	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1149		for (ExecutionMode m : ExecutionMode.values())
1150	<	for (Integer v1 : new Integer[] { 1, null }) {
1151	<
1150	>	for (boolean createIncomplete : new boolean[] { true, false })
1151	>	for (Integer v1 : new Integer[] { 1, null })
1152	>	{
1153		final CompletableFuture<Integer> f = new CompletableFuture<>();
1154	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1020	<	final SubtractFunction r = new SubtractFunction();
1154	>	final AtomicInteger a = new AtomicInteger(0);
1155		final CFException ex = new CFException();
1156	+	if (!createIncomplete) assertTrue(f.complete(v1));
1157	+	final CompletableFuture<Integer> g = m.handle
1158	+	(f,
1159	+	(Integer result, Throwable t) -> {
1160	+	m.checkExecutionMode();
1161	+	threadAssertSame(result, v1);
1162	+	threadAssertNull(t);
1163	+	a.getAndIncrement();
1164	+	throw ex;
1165	+	});
1166	+	if (createIncomplete) assertTrue(f.complete(v1));
1167
1168	<	g.completeExceptionally(ex);
1024	<	f.complete(v1);
1025	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1026	<
1027	<	checkCompletedWithWrappedCFException(h, ex);
1028	<	checkCompletedWithWrappedCFException(g, ex);
1029	<	assertEquals(0, r.invocationCount);
1168	>	checkCompletedWithWrappedException(g, ex);
1169		checkCompletedNormally(f, v1);
1170	<	}
1171	<	}
1170	>	assertEquals(1, a.get());
1171	>	}}
1172
1173	<	public void testThenCombine_exceptionalCompletion4() {
1173	>	/**
1174	>	* If a "handle action" throws an exception when triggered by
1175	>	* a source completion that also throws an exception, the action
1176	>	* exception takes precedence (unlike whenComplete)
1177	>	*/
1178	>	public void testHandle_sourceFailedActionFailed() {
1179	>	for (boolean createIncomplete : new boolean[] { true, false })
1180		for (ExecutionMode m : ExecutionMode.values())
1181	<	for (Integer v1 : new Integer[] { 1, null }) {
1182	<
1181	>	{
1182	>	final AtomicInteger a = new AtomicInteger(0);
1183	>	final CFException ex1 = new CFException();
1184	>	final CFException ex2 = new CFException();
1185		final CompletableFuture<Integer> f = new CompletableFuture<>();
1039	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1040	–	final SubtractFunction r = new SubtractFunction();
1041	–	final CFException ex = new CFException();
1186
1187	<	f.completeExceptionally(ex);
1188	<	g.complete(v1);
1189	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1187	>	if (!createIncomplete) f.completeExceptionally(ex1);
1188	>	final CompletableFuture<Integer> g = m.handle
1189	>	(f,
1190	>	(Integer result, Throwable t) -> {
1191	>	m.checkExecutionMode();
1192	>	threadAssertNull(result);
1193	>	threadAssertSame(ex1, t);
1194	>	a.getAndIncrement();
1195	>	throw ex2;
1196	>	});
1197	>	if (createIncomplete) f.completeExceptionally(ex1);
1198
1199	<	checkCompletedWithWrappedCFException(h, ex);
1200	<	checkCompletedWithWrappedCFException(f, ex);
1201	<	assertEquals(0, r.invocationCount);
1202	<	checkCompletedNormally(g, v1);
1051	<	}
1052	<	}
1199	>	checkCompletedWithWrappedException(g, ex2);
1200	>	checkCompletedExceptionally(f, ex1);
1201	>	assertEquals(1, a.get());
1202	>	}}
1203
1204		/**
1205	<	* thenCombine result completes exceptionally if action does
1205	>	* runAsync completes after running Runnable
1206		*/
1207	<	public void testThenCombine_actionFailed1() {
1208	<	for (ExecutionMode m : ExecutionMode.values())
1209	<	for (Integer v1 : new Integer[] { 1, null })
1210	<	for (Integer v2 : new Integer[] { 2, null }) {
1211	<
1212	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1213	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1214	<	final FailingBiFunction r = new FailingBiFunction();
1215	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1216	<
1217	<	f.complete(v1);
1218	<	checkIncomplete(h);
1219	<	g.complete(v2);
1207	>	public void testRunAsync_normalCompletion() {
1208	>	ExecutionMode[] executionModes = {
1209	>	ExecutionMode.ASYNC,
1210	>	ExecutionMode.EXECUTOR,
1211	>	};
1212	>	for (ExecutionMode m : executionModes)
1213	>	{
1214	>	final Noop r = new Noop(m);
1215	>	final CompletableFuture<Void> f = m.runAsync(r);
1216	>	assertNull(f.join());
1217	>	checkCompletedNormally(f, null);
1218	>	r.assertInvoked();
1219	>	}}
1220
1221	<	checkCompletedWithWrappedCFException(h);
1222	<	checkCompletedNormally(f, v1);
1223	<	checkCompletedNormally(g, v2);
1224	<	}
1225	<	}
1221	>	/**
1222	>	* failing runAsync completes exceptionally after running Runnable
1223	>	*/
1224	>	public void testRunAsync_exceptionalCompletion() {
1225	>	ExecutionMode[] executionModes = {
1226	>	ExecutionMode.ASYNC,
1227	>	ExecutionMode.EXECUTOR,
1228	>	};
1229	>	for (ExecutionMode m : executionModes)
1230	>	{
1231	>	final FailingRunnable r = new FailingRunnable(m);
1232	>	final CompletableFuture<Void> f = m.runAsync(r);
1233	>	checkCompletedWithWrappedException(f, r.ex);
1234	>	r.assertInvoked();
1235	>	}}
1236
1237	<	public void testThenCombine_actionFailed2() {
1238	<	for (ExecutionMode m : ExecutionMode.values())
1237	>	/**
1238	>	* supplyAsync completes with result of supplier
1239	>	*/
1240	>	public void testSupplyAsync_normalCompletion() {
1241	>	ExecutionMode[] executionModes = {
1242	>	ExecutionMode.ASYNC,
1243	>	ExecutionMode.EXECUTOR,
1244	>	};
1245	>	for (ExecutionMode m : executionModes)
1246		for (Integer v1 : new Integer[] { 1, null })
1247	<	for (Integer v2 : new Integer[] { 2, null }) {
1248	<
1249	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1250	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1084	<	final FailingBiFunction r = new FailingBiFunction();
1085	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1086	<
1087	<	g.complete(v2);
1088	<	checkIncomplete(h);
1089	<	f.complete(v1);
1090	<
1091	<	checkCompletedWithWrappedCFException(h);
1247	>	{
1248	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1249	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1250	>	assertSame(v1, f.join());
1251		checkCompletedNormally(f, v1);
1252	<	checkCompletedNormally(g, v2);
1253	<	}
1095	<	}
1252	>	r.assertInvoked();
1253	>	}}
1254
1255		/**
1256	<	* thenCombine result completes exceptionally if either source cancelled
1256	>	* Failing supplyAsync completes exceptionally
1257		*/
1258	<	public void testThenCombine_sourceCancelled1() {
1259	<	for (ExecutionMode m : ExecutionMode.values())
1260	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1261	<	for (Integer v1 : new Integer[] { 1, null }) {
1262	<
1263	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1264	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1265	<	final SubtractFunction r = new SubtractFunction();
1266	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1267	<
1268	<	assertTrue(f.cancel(mayInterruptIfRunning));
1269	<	checkIncomplete(h);
1112	<	g.complete(v1);
1258	>	public void testSupplyAsync_exceptionalCompletion() {
1259	>	ExecutionMode[] executionModes = {
1260	>	ExecutionMode.ASYNC,
1261	>	ExecutionMode.EXECUTOR,
1262	>	};
1263	>	for (ExecutionMode m : executionModes)
1264	>	{
1265	>	FailingSupplier r = new FailingSupplier(m);
1266	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1267	>	checkCompletedWithWrappedException(f, r.ex);
1268	>	r.assertInvoked();
1269	>	}}
1270
1271	<	checkCompletedWithWrappedCancellationException(h);
1115	<	checkCancelled(f);
1116	<	assertEquals(0, r.invocationCount);
1117	<	checkCompletedNormally(g, v1);
1118	<	}
1119	<	}
1271	>	// seq completion methods
1272
1273	<	public void testThenCombine_sourceCancelled2() {
1273	>	/**
1274	>	* thenRun result completes normally after normal completion of source
1275	>	*/
1276	>	public void testThenRun_normalCompletion() {
1277		for (ExecutionMode m : ExecutionMode.values())
1278	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1279	<	for (Integer v1 : new Integer[] { 1, null }) {
1125	<
1278	>	for (Integer v1 : new Integer[] { 1, null })
1279	>	{
1280		final CompletableFuture<Integer> f = new CompletableFuture<>();
1281	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1282	<	final SubtractFunction r = new SubtractFunction();
1129	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1130	<
1131	<	assertTrue(g.cancel(mayInterruptIfRunning));
1132	<	checkIncomplete(h);
1133	<	f.complete(v1);
1281	>	final Noop[] rs = new Noop[6];
1282	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1283
1284	<	checkCompletedWithWrappedCancellationException(h);
1285	<	checkCancelled(g);
1286	<	assertEquals(0, r.invocationCount);
1284	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1285	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1286	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1287	>	checkIncomplete(h0);
1288	>	checkIncomplete(h1);
1289	>	checkIncomplete(h2);
1290	>	assertTrue(f.complete(v1));
1291	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1292	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1293	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1294	>
1295	>	checkCompletedNormally(h0, null);
1296	>	checkCompletedNormally(h1, null);
1297	>	checkCompletedNormally(h2, null);
1298	>	checkCompletedNormally(h3, null);
1299	>	checkCompletedNormally(h4, null);
1300	>	checkCompletedNormally(h5, null);
1301		checkCompletedNormally(f, v1);
1302	<	}
1303	<	}
1302	>	for (Noop r : rs) r.assertInvoked();
1303	>	}}
1304
1305	<	public void testThenCombine_sourceCancelled3() {
1305	>	/**
1306	>	* thenRun result completes exceptionally after exceptional
1307	>	* completion of source
1308	>	*/
1309	>	public void testThenRun_exceptionalCompletion() {
1310		for (ExecutionMode m : ExecutionMode.values())
1311	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1312	<	for (Integer v1 : new Integer[] { 1, null }) {
1146	<
1311	>	{
1312	>	final CFException ex = new CFException();
1313		final CompletableFuture<Integer> f = new CompletableFuture<>();
1314	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1315	<	final SubtractFunction r = new SubtractFunction();
1150	<
1151	<	assertTrue(g.cancel(mayInterruptIfRunning));
1152	<	f.complete(v1);
1153	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1314	>	final Noop[] rs = new Noop[6];
1315	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1316
1317	<	checkCompletedWithWrappedCancellationException(h);
1318	<	checkCancelled(g);
1319	<	assertEquals(0, r.invocationCount);
1320	<	checkCompletedNormally(f, v1);
1321	<	}
1322	<	}
1317	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1318	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1319	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1320	>	checkIncomplete(h0);
1321	>	checkIncomplete(h1);
1322	>	checkIncomplete(h2);
1323	>	assertTrue(f.completeExceptionally(ex));
1324	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1325	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1326	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1327	>
1328	>	checkCompletedWithWrappedException(h0, ex);
1329	>	checkCompletedWithWrappedException(h1, ex);
1330	>	checkCompletedWithWrappedException(h2, ex);
1331	>	checkCompletedWithWrappedException(h3, ex);
1332	>	checkCompletedWithWrappedException(h4, ex);
1333	>	checkCompletedWithWrappedException(h5, ex);
1334	>	checkCompletedExceptionally(f, ex);
1335	>	for (Noop r : rs) r.assertNotInvoked();
1336	>	}}
1337
1338	<	public void testThenCombine_sourceCancelled4() {
1338	>	/**
1339	>	* thenRun result completes exceptionally if source cancelled
1340	>	*/
1341	>	public void testThenRun_sourceCancelled() {
1342		for (ExecutionMode m : ExecutionMode.values())
1343		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1344	<	for (Integer v1 : new Integer[] { 1, null }) {
1166	<
1344	>	{
1345		final CompletableFuture<Integer> f = new CompletableFuture<>();
1346	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1347	<	final SubtractFunction r = new SubtractFunction();
1346	>	final Noop[] rs = new Noop[6];
1347	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1348
1349	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1350	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1351	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1352	+	checkIncomplete(h0);
1353	+	checkIncomplete(h1);
1354	+	checkIncomplete(h2);
1355		assertTrue(f.cancel(mayInterruptIfRunning));
1356	<	g.complete(v1);
1357	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1358	<
1359	<	checkCompletedWithWrappedCancellationException(h);
1356	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1357	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1358	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1359	>
1360	>	checkCompletedWithWrappedCancellationException(h0);
1361	>	checkCompletedWithWrappedCancellationException(h1);
1362	>	checkCompletedWithWrappedCancellationException(h2);
1363	>	checkCompletedWithWrappedCancellationException(h3);
1364	>	checkCompletedWithWrappedCancellationException(h4);
1365	>	checkCompletedWithWrappedCancellationException(h5);
1366		checkCancelled(f);
1367	<	assertEquals(0, r.invocationCount);
1368	<	checkCompletedNormally(g, v1);
1179	<	}
1180	<	}
1367	>	for (Noop r : rs) r.assertNotInvoked();
1368	>	}}
1369
1370		/**
1371	<	* thenAcceptBoth result completes normally after normal
1184	<	* completion of sources
1371	>	* thenRun result completes exceptionally if action does
1372		*/
1373	<	public void testThenAcceptBoth_normalCompletion1() {
1187	<	for (ExecutionMode m : ExecutionMode.values())
1188	<	for (Integer v1 : new Integer[] { 1, null })
1189	<	for (Integer v2 : new Integer[] { 2, null }) {
1190	<
1191	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1192	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1193	<	final SubtractAction r = new SubtractAction();
1194	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1195	<
1196	<	f.complete(v1);
1197	<	checkIncomplete(h);
1198	<	assertEquals(0, r.invocationCount);
1199	<	g.complete(v2);
1200	<
1201	<	checkCompletedNormally(h, null);
1202	<	assertEquals(r.value, subtract(v1, v2));
1203	<	checkCompletedNormally(f, v1);
1204	<	checkCompletedNormally(g, v2);
1205	<	}
1206	<	}
1207	<
1208	<	public void testThenAcceptBoth_normalCompletion2() {
1209	<	for (ExecutionMode m : ExecutionMode.values())
1210	<	for (Integer v1 : new Integer[] { 1, null })
1211	<	for (Integer v2 : new Integer[] { 2, null }) {
1212	<
1213	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1214	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1215	<	final SubtractAction r = new SubtractAction();
1216	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1217	<
1218	<	g.complete(v2);
1219	<	checkIncomplete(h);
1220	<	assertEquals(0, r.invocationCount);
1221	<	f.complete(v1);
1222	<
1223	<	checkCompletedNormally(h, null);
1224	<	assertEquals(r.value, subtract(v1, v2));
1225	<	checkCompletedNormally(f, v1);
1226	<	checkCompletedNormally(g, v2);
1227	<	}
1228	<	}
1229	<
1230	<	public void testThenAcceptBoth_normalCompletion3() {
1373	>	public void testThenRun_actionFailed() {
1374		for (ExecutionMode m : ExecutionMode.values())
1375		for (Integer v1 : new Integer[] { 1, null })
1376	<	for (Integer v2 : new Integer[] { 2, null }) {
1234	<
1376	>	{
1377		final CompletableFuture<Integer> f = new CompletableFuture<>();
1378	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1379	<	final SubtractAction r = new SubtractAction();
1238	<
1239	<	g.complete(v2);
1240	<	f.complete(v1);
1241	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1378	>	final FailingRunnable[] rs = new FailingRunnable[6];
1379	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1380
1381	<	checkCompletedNormally(h, null);
1382	<	assertEquals(r.value, subtract(v1, v2));
1381	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1382	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1383	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1384	>	assertTrue(f.complete(v1));
1385	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1386	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1387	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1388	>
1389	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1390	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1391	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1392	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1393	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1394	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1395		checkCompletedNormally(f, v1);
1396	<	checkCompletedNormally(g, v2);
1247	<	}
1248	<	}
1396	>	}}
1397
1398	<	public void testThenAcceptBoth_normalCompletion4() {
1398	>	/**
1399	>	* thenApply result completes normally after normal completion of source
1400	>	*/
1401	>	public void testThenApply_normalCompletion() {
1402		for (ExecutionMode m : ExecutionMode.values())
1403		for (Integer v1 : new Integer[] { 1, null })
1404	<	for (Integer v2 : new Integer[] { 2, null }) {
1254	<
1404	>	{
1405		final CompletableFuture<Integer> f = new CompletableFuture<>();
1406	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1407	<	final SubtractAction r = new SubtractAction();
1258	<
1259	<	f.complete(v1);
1260	<	g.complete(v2);
1261	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1406	>	final IncFunction[] rs = new IncFunction[4];
1407	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1408
1409	<	checkCompletedNormally(h, null);
1410	<	assertEquals(r.value, subtract(v1, v2));
1409	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1410	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1411	>	checkIncomplete(h0);
1412	>	checkIncomplete(h1);
1413	>	assertTrue(f.complete(v1));
1414	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1415	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1416	>
1417	>	checkCompletedNormally(h0, inc(v1));
1418	>	checkCompletedNormally(h1, inc(v1));
1419	>	checkCompletedNormally(h2, inc(v1));
1420	>	checkCompletedNormally(h3, inc(v1));
1421		checkCompletedNormally(f, v1);
1422	<	checkCompletedNormally(g, v2);
1423	<	}
1268	<	}
1422	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1423	>	}}
1424
1425		/**
1426	<	* thenAcceptBoth result completes exceptionally after exceptional
1427	<	* completion of either source
1426	>	* thenApply result completes exceptionally after exceptional
1427	>	* completion of source
1428		*/
1429	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1429	>	public void testThenApply_exceptionalCompletion() {
1430		for (ExecutionMode m : ExecutionMode.values())
1431	<	for (Integer v1 : new Integer[] { 1, null }) {
1277	<
1278	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1279	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1280	<	final SubtractAction r = new SubtractAction();
1281	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1431	>	{
1432		final CFException ex = new CFException();
1283	–
1284	–	f.completeExceptionally(ex);
1285	–	checkIncomplete(h);
1286	–	g.complete(v1);
1287	–
1288	–	checkCompletedWithWrappedCFException(h, ex);
1289	–	checkCompletedWithWrappedCFException(f, ex);
1290	–	assertEquals(0, r.invocationCount);
1291	–	checkCompletedNormally(g, v1);
1292	–	}
1293	–	}
1294	–
1295	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1296	–	for (ExecutionMode m : ExecutionMode.values())
1297	–	for (Integer v1 : new Integer[] { 1, null }) {
1298	–
1433		final CompletableFuture<Integer> f = new CompletableFuture<>();
1434	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1435	<	final SubtractAction r = new SubtractAction();
1302	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1303	<	final CFException ex = new CFException();
1304	<
1305	<	g.completeExceptionally(ex);
1306	<	checkIncomplete(h);
1307	<	f.complete(v1);
1434	>	final IncFunction[] rs = new IncFunction[4];
1435	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1436
1437	<	checkCompletedWithWrappedCFException(h, ex);
1438	<	checkCompletedWithWrappedCFException(g, ex);
1439	<	assertEquals(0, r.invocationCount);
1440	<	checkCompletedNormally(f, v1);
1441	<	}
1442	<	}
1437	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1438	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1439	>	assertTrue(f.completeExceptionally(ex));
1440	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1441	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1442	>
1443	>	checkCompletedWithWrappedException(h0, ex);
1444	>	checkCompletedWithWrappedException(h1, ex);
1445	>	checkCompletedWithWrappedException(h2, ex);
1446	>	checkCompletedWithWrappedException(h3, ex);
1447	>	checkCompletedExceptionally(f, ex);
1448	>	for (IncFunction r : rs) r.assertNotInvoked();
1449	>	}}
1450
1451	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1451	>	/**
1452	>	* thenApply result completes exceptionally if source cancelled
1453	>	*/
1454	>	public void testThenApply_sourceCancelled() {
1455		for (ExecutionMode m : ExecutionMode.values())
1456	<	for (Integer v1 : new Integer[] { 1, null }) {
1457	<
1456	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1457	>	{
1458		final CompletableFuture<Integer> f = new CompletableFuture<>();
1459	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1460	<	final SubtractAction r = new SubtractAction();
1323	<	final CFException ex = new CFException();
1459	>	final IncFunction[] rs = new IncFunction[4];
1460	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1461
1462	<	g.completeExceptionally(ex);
1463	<	f.complete(v1);
1464	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1462	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1463	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1464	>	assertTrue(f.cancel(mayInterruptIfRunning));
1465	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1466	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1467
1468	<	checkCompletedWithWrappedCFException(h, ex);
1469	<	checkCompletedWithWrappedCFException(g, ex);
1470	<	assertEquals(0, r.invocationCount);
1471	<	checkCompletedNormally(f, v1);
1472	<	}
1473	<	}
1468	>	checkCompletedWithWrappedCancellationException(h0);
1469	>	checkCompletedWithWrappedCancellationException(h1);
1470	>	checkCompletedWithWrappedCancellationException(h2);
1471	>	checkCompletedWithWrappedCancellationException(h3);
1472	>	checkCancelled(f);
1473	>	for (IncFunction r : rs) r.assertNotInvoked();
1474	>	}}
1475
1476	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1476	>	/**
1477	>	* thenApply result completes exceptionally if action does
1478	>	*/
1479	>	public void testThenApply_actionFailed() {
1480		for (ExecutionMode m : ExecutionMode.values())
1481	<	for (Integer v1 : new Integer[] { 1, null }) {
1482	<
1481	>	for (Integer v1 : new Integer[] { 1, null })
1482	>	{
1483		final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1485	<	final SubtractAction r = new SubtractAction();
1343	<	final CFException ex = new CFException();
1484	>	final FailingFunction[] rs = new FailingFunction[4];
1485	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1486
1487	<	f.completeExceptionally(ex);
1488	<	g.complete(v1);
1489	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1490	<
1491	<	checkCompletedWithWrappedCFException(h, ex);
1492	<	checkCompletedWithWrappedCFException(f, ex);
1493	<	assertEquals(0, r.invocationCount);
1494	<	checkCompletedNormally(g, v1);
1495	<	}
1496	<	}
1487	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1488	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1489	>	assertTrue(f.complete(v1));
1490	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1491	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1492	>
1493	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1494	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1495	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1496	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1497	>	checkCompletedNormally(f, v1);
1498	>	}}
1499
1500		/**
1501	<	* thenAcceptBoth result completes exceptionally if action does
1501	>	* thenAccept result completes normally after normal completion of source
1502		*/
1503	<	public void testThenAcceptBoth_actionFailed1() {
1503	>	public void testThenAccept_normalCompletion() {
1504		for (ExecutionMode m : ExecutionMode.values())
1505		for (Integer v1 : new Integer[] { 1, null })
1506	<	for (Integer v2 : new Integer[] { 2, null }) {
1363	<
1506	>	{
1507		final CompletableFuture<Integer> f = new CompletableFuture<>();
1508	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1509	<	final FailingBiConsumer r = new FailingBiConsumer();
1367	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1368	<
1369	<	f.complete(v1);
1370	<	checkIncomplete(h);
1371	<	g.complete(v2);
1508	>	final NoopConsumer[] rs = new NoopConsumer[4];
1509	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1510
1511	<	checkCompletedWithWrappedCFException(h);
1511	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1512	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1513	>	checkIncomplete(h0);
1514	>	checkIncomplete(h1);
1515	>	assertTrue(f.complete(v1));
1516	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1517	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1518	>
1519	>	checkCompletedNormally(h0, null);
1520	>	checkCompletedNormally(h1, null);
1521	>	checkCompletedNormally(h2, null);
1522	>	checkCompletedNormally(h3, null);
1523		checkCompletedNormally(f, v1);
1524	<	checkCompletedNormally(g, v2);
1525	<	}
1377	<	}
1524	>	for (NoopConsumer r : rs) r.assertValue(v1);
1525	>	}}
1526
1527	<	public void testThenAcceptBoth_actionFailed2() {
1527	>	/**
1528	>	* thenAccept result completes exceptionally after exceptional
1529	>	* completion of source
1530	>	*/
1531	>	public void testThenAccept_exceptionalCompletion() {
1532		for (ExecutionMode m : ExecutionMode.values())
1533	<	for (Integer v1 : new Integer[] { 1, null })
1534	<	for (Integer v2 : new Integer[] { 2, null }) {
1383	<
1533	>	{
1534	>	final CFException ex = new CFException();
1535		final CompletableFuture<Integer> f = new CompletableFuture<>();
1536	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1537	<	final FailingBiConsumer r = new FailingBiConsumer();
1387	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1388	<
1389	<	g.complete(v2);
1390	<	checkIncomplete(h);
1391	<	f.complete(v1);
1536	>	final NoopConsumer[] rs = new NoopConsumer[4];
1537	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1538
1539	<	checkCompletedWithWrappedCFException(h);
1540	<	checkCompletedNormally(f, v1);
1541	<	checkCompletedNormally(g, v2);
1542	<	}
1543	<	}
1539	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1540	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1541	>	assertTrue(f.completeExceptionally(ex));
1542	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1543	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1544	>
1545	>	checkCompletedWithWrappedException(h0, ex);
1546	>	checkCompletedWithWrappedException(h1, ex);
1547	>	checkCompletedWithWrappedException(h2, ex);
1548	>	checkCompletedWithWrappedException(h3, ex);
1549	>	checkCompletedExceptionally(f, ex);
1550	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1551	>	}}
1552
1553		/**
1554	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1554	>	* thenAccept result completes exceptionally if source cancelled
1555		*/
1556	<	public void testThenAcceptBoth_sourceCancelled1() {
1556	>	public void testThenAccept_sourceCancelled() {
1557		for (ExecutionMode m : ExecutionMode.values())
1558		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1559	<	for (Integer v1 : new Integer[] { 1, null }) {
1406	<
1559	>	{
1560		final CompletableFuture<Integer> f = new CompletableFuture<>();
1561	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1562	<	final SubtractAction r = new SubtractAction();
1410	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1561	>	final NoopConsumer[] rs = new NoopConsumer[4];
1562	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1563
1564	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1565	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1566		assertTrue(f.cancel(mayInterruptIfRunning));
1567	<	checkIncomplete(h);
1568	<	g.complete(v1);
1567	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1568	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1569
1570	<	checkCompletedWithWrappedCancellationException(h);
1570	>	checkCompletedWithWrappedCancellationException(h0);
1571	>	checkCompletedWithWrappedCancellationException(h1);
1572	>	checkCompletedWithWrappedCancellationException(h2);
1573	>	checkCompletedWithWrappedCancellationException(h3);
1574		checkCancelled(f);
1575	<	assertEquals(0, r.invocationCount);
1576	<	checkCompletedNormally(g, v1);
1420	<	}
1421	<	}
1575	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1576	>	}}
1577
1578	<	public void testThenAcceptBoth_sourceCancelled2() {
1578	>	/**
1579	>	* thenAccept result completes exceptionally if action does
1580	>	*/
1581	>	public void testThenAccept_actionFailed() {
1582		for (ExecutionMode m : ExecutionMode.values())
1583	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1584	<	for (Integer v1 : new Integer[] { 1, null }) {
1427	<
1583	>	for (Integer v1 : new Integer[] { 1, null })
1584	>	{
1585		final CompletableFuture<Integer> f = new CompletableFuture<>();
1586	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1587	<	final SubtractAction r = new SubtractAction();
1431	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1432	<
1433	<	assertTrue(g.cancel(mayInterruptIfRunning));
1434	<	checkIncomplete(h);
1435	<	f.complete(v1);
1586	>	final FailingConsumer[] rs = new FailingConsumer[4];
1587	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1588
1589	<	checkCompletedWithWrappedCancellationException(h);
1590	<	checkCancelled(g);
1591	<	assertEquals(0, r.invocationCount);
1589	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1590	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1591	>	assertTrue(f.complete(v1));
1592	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1593	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1594	>
1595	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1596	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1597	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1598	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1599		checkCompletedNormally(f, v1);
1600	<	}
1442	<	}
1600	>	}}
1601
1602	<	public void testThenAcceptBoth_sourceCancelled3() {
1602	>	/**
1603	>	* thenCombine result completes normally after normal completion
1604	>	* of sources
1605	>	*/
1606	>	public void testThenCombine_normalCompletion() {
1607		for (ExecutionMode m : ExecutionMode.values())
1608	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1609	<	for (Integer v1 : new Integer[] { 1, null }) {
1610	<
1608	>	for (boolean fFirst : new boolean[] { true, false })
1609	>	for (Integer v1 : new Integer[] { 1, null })
1610	>	for (Integer v2 : new Integer[] { 2, null })
1611	>	{
1612		final CompletableFuture<Integer> f = new CompletableFuture<>();
1613		final CompletableFuture<Integer> g = new CompletableFuture<>();
1614	<	final SubtractAction r = new SubtractAction();
1614	>	final SubtractFunction[] rs = new SubtractFunction[6];
1615	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1616
1617	<	assertTrue(g.cancel(mayInterruptIfRunning));
1618	<	f.complete(v1);
1619	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1617	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1618	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1619	>	final Integer w1 =  fFirst ? v1 : v2;
1620	>	final Integer w2 = !fFirst ? v1 : v2;
1621	>
1622	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1623	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1624	>	assertTrue(fst.complete(w1));
1625	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1626	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1627	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1628	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1629	>	checkCompletedNormally(h1, subtract(w1, w1));
1630	>	checkCompletedNormally(h3, subtract(w1, w1));
1631	>	rs[1].assertValue(subtract(w1, w1));
1632	>	rs[3].assertValue(subtract(w1, w1));
1633	>	assertTrue(snd.complete(w2));
1634	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1635	>
1636	>	checkCompletedNormally(h0, subtract(v1, v2));
1637	>	checkCompletedNormally(h2, subtract(v1, v2));
1638	>	checkCompletedNormally(h4, subtract(v1, v2));
1639	>	rs[0].assertValue(subtract(v1, v2));
1640	>	rs[2].assertValue(subtract(v1, v2));
1641	>	rs[4].assertValue(subtract(v1, v2));
1642
1457	–	checkCompletedWithWrappedCancellationException(h);
1458	–	checkCancelled(g);
1459	–	assertEquals(0, r.invocationCount);
1643		checkCompletedNormally(f, v1);
1644	<	}
1645	<	}
1463	<
1464	<	public void testThenAcceptBoth_sourceCancelled4() {
1465	<	for (ExecutionMode m : ExecutionMode.values())
1466	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1467	<	for (Integer v1 : new Integer[] { 1, null }) {
1468	<
1469	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1470	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1471	<	final SubtractAction r = new SubtractAction();
1472	<
1473	<	assertTrue(f.cancel(mayInterruptIfRunning));
1474	<	g.complete(v1);
1475	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1476	<
1477	<	checkCompletedWithWrappedCancellationException(h);
1478	<	checkCancelled(f);
1479	<	assertEquals(0, r.invocationCount);
1480	<	checkCompletedNormally(g, v1);
1481	<	}
1482	<	}
1644	>	checkCompletedNormally(g, v2);
1645	>	}}
1646
1647		/**
1648	<	* runAfterBoth result completes normally after normal
1649	<	* completion of sources
1648	>	* thenCombine result completes exceptionally after exceptional
1649	>	* completion of either source
1650		*/
1651	<	public void testRunAfterBoth_normalCompletion1() {
1651	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1652		for (ExecutionMode m : ExecutionMode.values())
1653	+	for (boolean fFirst : new boolean[] { true, false })
1654	+	for (boolean failFirst : new boolean[] { true, false })
1655		for (Integer v1 : new Integer[] { 1, null })
1656	<	for (Integer v2 : new Integer[] { 2, null }) {
1492	<
1656	>	{
1657		final CompletableFuture<Integer> f = new CompletableFuture<>();
1658		final CompletableFuture<Integer> g = new CompletableFuture<>();
1659	<	final Noop r = new Noop();
1660	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1661	<
1662	<	f.complete(v1);
1663	<	checkIncomplete(h);
1664	<	assertEquals(0, r.invocationCount);
1665	<	g.complete(v2);
1666	<
1667	<	checkCompletedNormally(h, null);
1668	<	assertEquals(1, r.invocationCount);
1669	<	checkCompletedNormally(f, v1);
1670	<	checkCompletedNormally(g, v2);
1671	<	}
1672	<	}
1659	>	final CFException ex = new CFException();
1660	>	final SubtractFunction r1 = new SubtractFunction(m);
1661	>	final SubtractFunction r2 = new SubtractFunction(m);
1662	>	final SubtractFunction r3 = new SubtractFunction(m);
1663	>
1664	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1665	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1666	>	final Callable<Boolean> complete1 = failFirst ?
1667	>	() -> fst.completeExceptionally(ex) :
1668	>	() -> fst.complete(v1);
1669	>	final Callable<Boolean> complete2 = failFirst ?
1670	>	() -> snd.complete(v1) :
1671	>	() -> snd.completeExceptionally(ex);
1672	>
1673	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1674	>	assertTrue(complete1.call());
1675	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1676	>	checkIncomplete(h1);
1677	>	checkIncomplete(h2);
1678	>	assertTrue(complete2.call());
1679	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1680	>
1681	>	checkCompletedWithWrappedException(h1, ex);
1682	>	checkCompletedWithWrappedException(h2, ex);
1683	>	checkCompletedWithWrappedException(h3, ex);
1684	>	r1.assertNotInvoked();
1685	>	r2.assertNotInvoked();
1686	>	r3.assertNotInvoked();
1687	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1688	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1689	>	}}
1690
1691	<	public void testRunAfterBoth_normalCompletion2() {
1691	>	/**
1692	>	* thenCombine result completes exceptionally if either source cancelled
1693	>	*/
1694	>	public void testThenCombine_sourceCancelled() throws Throwable {
1695		for (ExecutionMode m : ExecutionMode.values())
1696	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1697	+	for (boolean fFirst : new boolean[] { true, false })
1698	+	for (boolean failFirst : new boolean[] { true, false })
1699		for (Integer v1 : new Integer[] { 1, null })
1700	<	for (Integer v2 : new Integer[] { 2, null }) {
1514	<
1700	>	{
1701		final CompletableFuture<Integer> f = new CompletableFuture<>();
1702		final CompletableFuture<Integer> g = new CompletableFuture<>();
1703	<	final Noop r = new Noop();
1704	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1705	<
1706	<	g.complete(v2);
1707	<	checkIncomplete(h);
1708	<	assertEquals(0, r.invocationCount);
1709	<	f.complete(v1);
1703	>	final SubtractFunction r1 = new SubtractFunction(m);
1704	>	final SubtractFunction r2 = new SubtractFunction(m);
1705	>	final SubtractFunction r3 = new SubtractFunction(m);
1706	>
1707	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1708	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1709	>	final Callable<Boolean> complete1 = failFirst ?
1710	>	() -> fst.cancel(mayInterruptIfRunning) :
1711	>	() -> fst.complete(v1);
1712	>	final Callable<Boolean> complete2 = failFirst ?
1713	>	() -> snd.complete(v1) :
1714	>	() -> snd.cancel(mayInterruptIfRunning);
1715	>
1716	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1717	>	assertTrue(complete1.call());
1718	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1719	>	checkIncomplete(h1);
1720	>	checkIncomplete(h2);
1721	>	assertTrue(complete2.call());
1722	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1723	>
1724	>	checkCompletedWithWrappedCancellationException(h1);
1725	>	checkCompletedWithWrappedCancellationException(h2);
1726	>	checkCompletedWithWrappedCancellationException(h3);
1727	>	r1.assertNotInvoked();
1728	>	r2.assertNotInvoked();
1729	>	r3.assertNotInvoked();
1730	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1731	>	checkCancelled(failFirst ? fst : snd);
1732	>	}}
1733
1734	<	checkCompletedNormally(h, null);
1735	<	assertEquals(1, r.invocationCount);
1736	<	checkCompletedNormally(f, v1);
1737	<	checkCompletedNormally(g, v2);
1529	<	}
1530	<	}
1531	<
1532	<	public void testRunAfterBoth_normalCompletion3() {
1734	>	/**
1735	>	* thenCombine result completes exceptionally if action does
1736	>	*/
1737	>	public void testThenCombine_actionFailed() {
1738		for (ExecutionMode m : ExecutionMode.values())
1739	+	for (boolean fFirst : new boolean[] { true, false })
1740		for (Integer v1 : new Integer[] { 1, null })
1741	<	for (Integer v2 : new Integer[] { 2, null }) {
1742	<
1741	>	for (Integer v2 : new Integer[] { 2, null })
1742	>	{
1743		final CompletableFuture<Integer> f = new CompletableFuture<>();
1744		final CompletableFuture<Integer> g = new CompletableFuture<>();
1745	<	final Noop r = new Noop();
1746	<
1747	<	g.complete(v2);
1748	<	f.complete(v1);
1749	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1750	<
1751	<	checkCompletedNormally(h, null);
1752	<	assertEquals(1, r.invocationCount);
1745	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1746	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1747	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1748	>
1749	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1750	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1751	>	final Integer w1 =  fFirst ? v1 : v2;
1752	>	final Integer w2 = !fFirst ? v1 : v2;
1753	>
1754	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1755	>	assertTrue(fst.complete(w1));
1756	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1757	>	assertTrue(snd.complete(w2));
1758	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1759	>
1760	>	checkCompletedWithWrappedException(h1, r1.ex);
1761	>	checkCompletedWithWrappedException(h2, r2.ex);
1762	>	checkCompletedWithWrappedException(h3, r3.ex);
1763	>	r1.assertInvoked();
1764	>	r2.assertInvoked();
1765	>	r3.assertInvoked();
1766		checkCompletedNormally(f, v1);
1767		checkCompletedNormally(g, v2);
1768	<	}
1550	<	}
1768	>	}}
1769
1770	<	public void testRunAfterBoth_normalCompletion4() {
1770	>	/**
1771	>	* thenAcceptBoth result completes normally after normal
1772	>	* completion of sources
1773	>	*/
1774	>	public void testThenAcceptBoth_normalCompletion() {
1775		for (ExecutionMode m : ExecutionMode.values())
1776	+	for (boolean fFirst : new boolean[] { true, false })
1777		for (Integer v1 : new Integer[] { 1, null })
1778	<	for (Integer v2 : new Integer[] { 2, null }) {
1779	<
1778	>	for (Integer v2 : new Integer[] { 2, null })
1779	>	{
1780		final CompletableFuture<Integer> f = new CompletableFuture<>();
1781		final CompletableFuture<Integer> g = new CompletableFuture<>();
1782	<	final Noop r = new Noop();
1783	<
1784	<	f.complete(v1);
1785	<	g.complete(v2);
1786	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1787	<
1788	<	checkCompletedNormally(h, null);
1789	<	assertEquals(1, r.invocationCount);
1782	>	final SubtractAction r1 = new SubtractAction(m);
1783	>	final SubtractAction r2 = new SubtractAction(m);
1784	>	final SubtractAction r3 = new SubtractAction(m);
1785	>
1786	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1787	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1788	>	final Integer w1 =  fFirst ? v1 : v2;
1789	>	final Integer w2 = !fFirst ? v1 : v2;
1790	>
1791	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1792	>	assertTrue(fst.complete(w1));
1793	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1794	>	checkIncomplete(h1);
1795	>	checkIncomplete(h2);
1796	>	r1.assertNotInvoked();
1797	>	r2.assertNotInvoked();
1798	>	assertTrue(snd.complete(w2));
1799	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1800	>
1801	>	checkCompletedNormally(h1, null);
1802	>	checkCompletedNormally(h2, null);
1803	>	checkCompletedNormally(h3, null);
1804	>	r1.assertValue(subtract(v1, v2));
1805	>	r2.assertValue(subtract(v1, v2));
1806	>	r3.assertValue(subtract(v1, v2));
1807		checkCompletedNormally(f, v1);
1808		checkCompletedNormally(g, v2);
1809	<	}
1570	<	}
1809	>	}}
1810
1811		/**
1812	<	* runAfterBoth result completes exceptionally after exceptional
1812	>	* thenAcceptBoth result completes exceptionally after exceptional
1813		* completion of either source
1814		*/
1815	<	public void testRunAfterBoth_exceptionalCompletion1() {
1577	<	for (ExecutionMode m : ExecutionMode.values())
1578	<	for (Integer v1 : new Integer[] { 1, null }) {
1579	<
1580	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1581	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1582	<	final Noop r = new Noop();
1583	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1584	<	final CFException ex = new CFException();
1585	<
1586	<	f.completeExceptionally(ex);
1587	<	checkIncomplete(h);
1588	<	g.complete(v1);
1589	<
1590	<	checkCompletedWithWrappedCFException(h, ex);
1591	<	checkCompletedWithWrappedCFException(f, ex);
1592	<	assertEquals(0, r.invocationCount);
1593	<	checkCompletedNormally(g, v1);
1594	<	}
1595	<	}
1596	<
1597	<	public void testRunAfterBoth_exceptionalCompletion2() {
1598	<	for (ExecutionMode m : ExecutionMode.values())
1599	<	for (Integer v1 : new Integer[] { 1, null }) {
1600	<
1601	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1602	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1603	<	final Noop r = new Noop();
1604	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1605	<	final CFException ex = new CFException();
1606	<
1607	<	g.completeExceptionally(ex);
1608	<	checkIncomplete(h);
1609	<	f.complete(v1);
1610	<
1611	<	checkCompletedWithWrappedCFException(h, ex);
1612	<	checkCompletedWithWrappedCFException(g, ex);
1613	<	assertEquals(0, r.invocationCount);
1614	<	checkCompletedNormally(f, v1);
1615	<	}
1616	<	}
1617	<
1618	<	public void testRunAfterBoth_exceptionalCompletion3() {
1815	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1816		for (ExecutionMode m : ExecutionMode.values())
1817	<	for (Integer v1 : new Integer[] { 1, null }) {
1818	<
1817	>	for (boolean fFirst : new boolean[] { true, false })
1818	>	for (boolean failFirst : new boolean[] { true, false })
1819	>	for (Integer v1 : new Integer[] { 1, null })
1820	>	{
1821		final CompletableFuture<Integer> f = new CompletableFuture<>();
1822		final CompletableFuture<Integer> g = new CompletableFuture<>();
1624	–	final Noop r = new Noop();
1823		final CFException ex = new CFException();
1824	+	final SubtractAction r1 = new SubtractAction(m);
1825	+	final SubtractAction r2 = new SubtractAction(m);
1826	+	final SubtractAction r3 = new SubtractAction(m);
1827	+
1828	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1829	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1830	+	final Callable<Boolean> complete1 = failFirst ?
1831	+	() -> fst.completeExceptionally(ex) :
1832	+	() -> fst.complete(v1);
1833	+	final Callable<Boolean> complete2 = failFirst ?
1834	+	() -> snd.complete(v1) :
1835	+	() -> snd.completeExceptionally(ex);
1836	+
1837	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1838	+	assertTrue(complete1.call());
1839	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1840	+	checkIncomplete(h1);
1841	+	checkIncomplete(h2);
1842	+	assertTrue(complete2.call());
1843	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1844	+
1845	+	checkCompletedWithWrappedException(h1, ex);
1846	+	checkCompletedWithWrappedException(h2, ex);
1847	+	checkCompletedWithWrappedException(h3, ex);
1848	+	r1.assertNotInvoked();
1849	+	r2.assertNotInvoked();
1850	+	r3.assertNotInvoked();
1851	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1852	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1853	+	}}
1854
1855	<	g.completeExceptionally(ex);
1856	<	f.complete(v1);
1857	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1858	<
1631	<	checkCompletedWithWrappedCFException(h, ex);
1632	<	checkCompletedWithWrappedCFException(g, ex);
1633	<	assertEquals(0, r.invocationCount);
1634	<	checkCompletedNormally(f, v1);
1635	<	}
1636	<	}
1637	<
1638	<	public void testRunAfterBoth_exceptionalCompletion4() {
1855	>	/**
1856	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1857	>	*/
1858	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1859		for (ExecutionMode m : ExecutionMode.values())
1860	<	for (Integer v1 : new Integer[] { 1, null }) {
1861	<
1860	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1861	>	for (boolean fFirst : new boolean[] { true, false })
1862	>	for (boolean failFirst : new boolean[] { true, false })
1863	>	for (Integer v1 : new Integer[] { 1, null })
1864	>	{
1865		final CompletableFuture<Integer> f = new CompletableFuture<>();
1866		final CompletableFuture<Integer> g = new CompletableFuture<>();
1867	<	final Noop r = new Noop();
1868	<	final CFException ex = new CFException();
1869	<
1870	<	f.completeExceptionally(ex);
1871	<	g.complete(v1);
1872	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1873	<
1874	<	checkCompletedWithWrappedCFException(h, ex);
1875	<	checkCompletedWithWrappedCFException(f, ex);
1876	<	assertEquals(0, r.invocationCount);
1877	<	checkCompletedNormally(g, v1);
1878	<	}
1879	<	}
1867	>	final SubtractAction r1 = new SubtractAction(m);
1868	>	final SubtractAction r2 = new SubtractAction(m);
1869	>	final SubtractAction r3 = new SubtractAction(m);
1870	>
1871	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1872	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1873	>	final Callable<Boolean> complete1 = failFirst ?
1874	>	() -> fst.cancel(mayInterruptIfRunning) :
1875	>	() -> fst.complete(v1);
1876	>	final Callable<Boolean> complete2 = failFirst ?
1877	>	() -> snd.complete(v1) :
1878	>	() -> snd.cancel(mayInterruptIfRunning);
1879	>
1880	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1881	>	assertTrue(complete1.call());
1882	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1883	>	checkIncomplete(h1);
1884	>	checkIncomplete(h2);
1885	>	assertTrue(complete2.call());
1886	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1887	>
1888	>	checkCompletedWithWrappedCancellationException(h1);
1889	>	checkCompletedWithWrappedCancellationException(h2);
1890	>	checkCompletedWithWrappedCancellationException(h3);
1891	>	r1.assertNotInvoked();
1892	>	r2.assertNotInvoked();
1893	>	r3.assertNotInvoked();
1894	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1895	>	checkCancelled(failFirst ? fst : snd);
1896	>	}}
1897
1898		/**
1899	<	* runAfterBoth result completes exceptionally if action does
1899	>	* thenAcceptBoth result completes exceptionally if action does
1900		*/
1901	<	public void testRunAfterBoth_actionFailed1() {
1901	>	public void testThenAcceptBoth_actionFailed() {
1902		for (ExecutionMode m : ExecutionMode.values())
1903	+	for (boolean fFirst : new boolean[] { true, false })
1904		for (Integer v1 : new Integer[] { 1, null })
1905	<	for (Integer v2 : new Integer[] { 2, null }) {
1906	<
1905	>	for (Integer v2 : new Integer[] { 2, null })
1906	>	{
1907		final CompletableFuture<Integer> f = new CompletableFuture<>();
1908		final CompletableFuture<Integer> g = new CompletableFuture<>();
1909	<	final FailingNoop r = new FailingNoop();
1910	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1911	<
1912	<	f.complete(v1);
1913	<	checkIncomplete(h);
1914	<	g.complete(v2);
1915	<
1916	<	checkCompletedWithWrappedCFException(h);
1909	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1910	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1911	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1912	>
1913	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1914	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1915	>	final Integer w1 =  fFirst ? v1 : v2;
1916	>	final Integer w2 = !fFirst ? v1 : v2;
1917	>
1918	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1919	>	assertTrue(fst.complete(w1));
1920	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1921	>	assertTrue(snd.complete(w2));
1922	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1923	>
1924	>	checkCompletedWithWrappedException(h1, r1.ex);
1925	>	checkCompletedWithWrappedException(h2, r2.ex);
1926	>	checkCompletedWithWrappedException(h3, r3.ex);
1927	>	r1.assertInvoked();
1928	>	r2.assertInvoked();
1929	>	r3.assertInvoked();
1930		checkCompletedNormally(f, v1);
1931		checkCompletedNormally(g, v2);
1932	<	}
1679	<	}
1932	>	}}
1933
1934	<	public void testRunAfterBoth_actionFailed2() {
1934	>	/**
1935	>	* runAfterBoth result completes normally after normal
1936	>	* completion of sources
1937	>	*/
1938	>	public void testRunAfterBoth_normalCompletion() {
1939		for (ExecutionMode m : ExecutionMode.values())
1940	+	for (boolean fFirst : new boolean[] { true, false })
1941		for (Integer v1 : new Integer[] { 1, null })
1942	<	for (Integer v2 : new Integer[] { 2, null }) {
1943	<
1942	>	for (Integer v2 : new Integer[] { 2, null })
1943	>	{
1944		final CompletableFuture<Integer> f = new CompletableFuture<>();
1945		final CompletableFuture<Integer> g = new CompletableFuture<>();
1946	<	final FailingNoop r = new FailingNoop();
1947	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1948	<
1949	<	g.complete(v2);
1950	<	checkIncomplete(h);
1951	<	f.complete(v1);
1952	<
1953	<	checkCompletedWithWrappedCFException(h);
1946	>	final Noop r1 = new Noop(m);
1947	>	final Noop r2 = new Noop(m);
1948	>	final Noop r3 = new Noop(m);
1949	>
1950	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1951	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1952	>	final Integer w1 =  fFirst ? v1 : v2;
1953	>	final Integer w2 = !fFirst ? v1 : v2;
1954	>
1955	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1956	>	assertTrue(fst.complete(w1));
1957	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1958	>	checkIncomplete(h1);
1959	>	checkIncomplete(h2);
1960	>	r1.assertNotInvoked();
1961	>	r2.assertNotInvoked();
1962	>	assertTrue(snd.complete(w2));
1963	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1964	>
1965	>	checkCompletedNormally(h1, null);
1966	>	checkCompletedNormally(h2, null);
1967	>	checkCompletedNormally(h3, null);
1968	>	r1.assertInvoked();
1969	>	r2.assertInvoked();
1970	>	r3.assertInvoked();
1971		checkCompletedNormally(f, v1);
1972		checkCompletedNormally(g, v2);
1973	<	}
1699	<	}
1973	>	}}
1974
1975		/**
1976	<	* runAfterBoth result completes exceptionally if either source cancelled
1976	>	* runAfterBoth result completes exceptionally after exceptional
1977	>	* completion of either source
1978		*/
1979	<	public void testRunAfterBoth_sourceCancelled1() {
1979	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1980		for (ExecutionMode m : ExecutionMode.values())
1981	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1982	<	for (Integer v1 : new Integer[] { 1, null }) {
1983	<
1984	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1710	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1711	<	final Noop r = new Noop();
1712	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1713	<
1714	<	assertTrue(f.cancel(mayInterruptIfRunning));
1715	<	checkIncomplete(h);
1716	<	g.complete(v1);
1717	<
1718	<	checkCompletedWithWrappedCancellationException(h);
1719	<	checkCancelled(f);
1720	<	assertEquals(0, r.invocationCount);
1721	<	checkCompletedNormally(g, v1);
1722	<	}
1723	<	}
1724	<
1725	<	public void testRunAfterBoth_sourceCancelled2() {
1726	<	for (ExecutionMode m : ExecutionMode.values())
1727	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1728	<	for (Integer v1 : new Integer[] { 1, null }) {
1729	<
1730	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1731	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1732	<	final Noop r = new Noop();
1733	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1734	<
1735	<	assertTrue(g.cancel(mayInterruptIfRunning));
1736	<	checkIncomplete(h);
1737	<	f.complete(v1);
1738	<
1739	<	checkCompletedWithWrappedCancellationException(h);
1740	<	checkCancelled(g);
1741	<	assertEquals(0, r.invocationCount);
1742	<	checkCompletedNormally(f, v1);
1743	<	}
1744	<	}
1745	<
1746	<	public void testRunAfterBoth_sourceCancelled3() {
1747	<	for (ExecutionMode m : ExecutionMode.values())
1748	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1749	<	for (Integer v1 : new Integer[] { 1, null }) {
1750	<
1981	>	for (boolean fFirst : new boolean[] { true, false })
1982	>	for (boolean failFirst : new boolean[] { true, false })
1983	>	for (Integer v1 : new Integer[] { 1, null })
1984	>	{
1985		final CompletableFuture<Integer> f = new CompletableFuture<>();
1986		final CompletableFuture<Integer> g = new CompletableFuture<>();
1987	<	final Noop r = new Noop();
1988	<
1989	<	assertTrue(g.cancel(mayInterruptIfRunning));
1990	<	f.complete(v1);
1991	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1992	<
1993	<	checkCompletedWithWrappedCancellationException(h);
1994	<	checkCancelled(g);
1995	<	assertEquals(0, r.invocationCount);
1996	<	checkCompletedNormally(f, v1);
1997	<	}
1998	<	}
1987	>	final CFException ex = new CFException();
1988	>	final Noop r1 = new Noop(m);
1989	>	final Noop r2 = new Noop(m);
1990	>	final Noop r3 = new Noop(m);
1991	>
1992	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1993	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1994	>	final Callable<Boolean> complete1 = failFirst ?
1995	>	() -> fst.completeExceptionally(ex) :
1996	>	() -> fst.complete(v1);
1997	>	final Callable<Boolean> complete2 = failFirst ?
1998	>	() -> snd.complete(v1) :
1999	>	() -> snd.completeExceptionally(ex);
2000	>
2001	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2002	>	assertTrue(complete1.call());
2003	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2004	>	checkIncomplete(h1);
2005	>	checkIncomplete(h2);
2006	>	assertTrue(complete2.call());
2007	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2008	>
2009	>	checkCompletedWithWrappedException(h1, ex);
2010	>	checkCompletedWithWrappedException(h2, ex);
2011	>	checkCompletedWithWrappedException(h3, ex);
2012	>	r1.assertNotInvoked();
2013	>	r2.assertNotInvoked();
2014	>	r3.assertNotInvoked();
2015	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2016	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2017	>	}}
2018
2019	<	public void testRunAfterBoth_sourceCancelled4() {
2019	>	/**
2020	>	* runAfterBoth result completes exceptionally if either source cancelled
2021	>	*/
2022	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2023		for (ExecutionMode m : ExecutionMode.values())
2024		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2025	<	for (Integer v1 : new Integer[] { 1, null }) {
2026	<
2025	>	for (boolean fFirst : new boolean[] { true, false })
2026	>	for (boolean failFirst : new boolean[] { true, false })
2027	>	for (Integer v1 : new Integer[] { 1, null })
2028	>	{
2029		final CompletableFuture<Integer> f = new CompletableFuture<>();
2030		final CompletableFuture<Integer> g = new CompletableFuture<>();
2031	<	final Noop r = new Noop();
2032	<
2033	<	assertTrue(f.cancel(mayInterruptIfRunning));
2034	<	g.complete(v1);
2035	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2036	<
2037	<	checkCompletedWithWrappedCancellationException(h);
2038	<	checkCancelled(f);
2039	<	assertEquals(0, r.invocationCount);
2040	<	checkCompletedNormally(g, v1);
2041	<	}
2042	<	}
2031	>	final Noop r1 = new Noop(m);
2032	>	final Noop r2 = new Noop(m);
2033	>	final Noop r3 = new Noop(m);
2034	>
2035	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2036	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2037	>	final Callable<Boolean> complete1 = failFirst ?
2038	>	() -> fst.cancel(mayInterruptIfRunning) :
2039	>	() -> fst.complete(v1);
2040	>	final Callable<Boolean> complete2 = failFirst ?
2041	>	() -> snd.complete(v1) :
2042	>	() -> snd.cancel(mayInterruptIfRunning);
2043	>
2044	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2045	>	assertTrue(complete1.call());
2046	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2047	>	checkIncomplete(h1);
2048	>	checkIncomplete(h2);
2049	>	assertTrue(complete2.call());
2050	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2051	>
2052	>	checkCompletedWithWrappedCancellationException(h1);
2053	>	checkCompletedWithWrappedCancellationException(h2);
2054	>	checkCompletedWithWrappedCancellationException(h3);
2055	>	r1.assertNotInvoked();
2056	>	r2.assertNotInvoked();
2057	>	r3.assertNotInvoked();
2058	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2059	>	checkCancelled(failFirst ? fst : snd);
2060	>	}}
2061
2062		/**
2063	<	* applyToEither result completes normally after normal completion
1788	<	* of either source
2063	>	* runAfterBoth result completes exceptionally if action does
2064		*/
2065	<	public void testApplyToEither_normalCompletion1() {
2065	>	public void testRunAfterBoth_actionFailed() {
2066		for (ExecutionMode m : ExecutionMode.values())
2067	+	for (boolean fFirst : new boolean[] { true, false })
2068		for (Integer v1 : new Integer[] { 1, null })
2069	<	for (Integer v2 : new Integer[] { 2, null }) {
2070	<
2069	>	for (Integer v2 : new Integer[] { 2, null })
2070	>	{
2071		final CompletableFuture<Integer> f = new CompletableFuture<>();
2072		final CompletableFuture<Integer> g = new CompletableFuture<>();
2073	<	final IncFunction r = new IncFunction();
2074	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2075	<
2076	<	f.complete(v1);
2077	<	checkCompletedNormally(h, inc(v1));
2078	<	g.complete(v2);
2079	<
2073	>	final FailingRunnable r1 = new FailingRunnable(m);
2074	>	final FailingRunnable r2 = new FailingRunnable(m);
2075	>	final FailingRunnable r3 = new FailingRunnable(m);
2076	>
2077	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2078	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2079	>	final Integer w1 =  fFirst ? v1 : v2;
2080	>	final Integer w2 = !fFirst ? v1 : v2;
2081	>
2082	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2083	>	assertTrue(fst.complete(w1));
2084	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2085	>	assertTrue(snd.complete(w2));
2086	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2087	>
2088	>	checkCompletedWithWrappedException(h1, r1.ex);
2089	>	checkCompletedWithWrappedException(h2, r2.ex);
2090	>	checkCompletedWithWrappedException(h3, r3.ex);
2091	>	r1.assertInvoked();
2092	>	r2.assertInvoked();
2093	>	r3.assertInvoked();
2094		checkCompletedNormally(f, v1);
2095		checkCompletedNormally(g, v2);
2096	<	checkCompletedNormally(h, inc(v1));
1807	<	}
1808	<	}
2096	>	}}
2097
2098	<	public void testApplyToEither_normalCompletion2() {
2098	>	/**
2099	>	* applyToEither result completes normally after normal completion
2100	>	* of either source
2101	>	*/
2102	>	public void testApplyToEither_normalCompletion() {
2103		for (ExecutionMode m : ExecutionMode.values())
2104		for (Integer v1 : new Integer[] { 1, null })
2105	<	for (Integer v2 : new Integer[] { 2, null }) {
2106	<
2105	>	for (Integer v2 : new Integer[] { 2, null })
2106	>	{
2107		final CompletableFuture<Integer> f = new CompletableFuture<>();
2108		final CompletableFuture<Integer> g = new CompletableFuture<>();
2109	<	final IncFunction r = new IncFunction();
2110	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2109	>	final IncFunction[] rs = new IncFunction[6];
2110	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2111
2112	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2113	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2114	+	checkIncomplete(h0);
2115	+	checkIncomplete(h1);
2116	+	rs[0].assertNotInvoked();
2117	+	rs[1].assertNotInvoked();
2118	+	f.complete(v1);
2119	+	checkCompletedNormally(h0, inc(v1));
2120	+	checkCompletedNormally(h1, inc(v1));
2121	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2122	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2123	+	checkCompletedNormally(h2, inc(v1));
2124	+	checkCompletedNormally(h3, inc(v1));
2125		g.complete(v2);
1821	–	checkCompletedNormally(h, inc(v2));
1822	–	f.complete(v1);
2126
2127	<	checkCompletedNormally(f, v1);
2128	<	checkCompletedNormally(g, v2);
2129	<	checkCompletedNormally(h, inc(v2));
2130	<	}
2131	<	}
2132	<	public void testApplyToEither_normalCompletion3() {
2133	<	for (ExecutionMode m : ExecutionMode.values())
2134	<	for (Integer v1 : new Integer[] { 1, null })
2135	<	for (Integer v2 : new Integer[] { 2, null }) {
1833	<
1834	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1835	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1836	<	final IncFunction r = new IncFunction();
1837	<
1838	<	f.complete(v1);
1839	<	g.complete(v2);
1840	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2127	>	// unspecified behavior - both source completions available
2128	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2129	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2130	>	rs[4].assertValue(h4.join());
2131	>	rs[5].assertValue(h5.join());
2132	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2133	>	Objects.equals(inc(v2), h4.join()));
2134	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2135	>	Objects.equals(inc(v2), h5.join()));
2136
2137		checkCompletedNormally(f, v1);
2138		checkCompletedNormally(g, v2);
2139	<
2140	<	// unspecified behavior
2141	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2142	<	Objects.equals(h.join(), inc(v2)));
2143	<	assertEquals(1, r.invocationCount);
2144	<	}
1850	<	}
2139	>	checkCompletedNormally(h0, inc(v1));
2140	>	checkCompletedNormally(h1, inc(v1));
2141	>	checkCompletedNormally(h2, inc(v1));
2142	>	checkCompletedNormally(h3, inc(v1));
2143	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2144	>	}}
2145
2146		/**
2147		* applyToEither result completes exceptionally after exceptional
2148		* completion of either source
2149		*/
2150	<	public void testApplyToEither_exceptionalCompletion1() {
2150	>	public void testApplyToEither_exceptionalCompletion() {
2151		for (ExecutionMode m : ExecutionMode.values())
2152	<	for (Integer v1 : new Integer[] { 1, null }) {
2153	<
2152	>	for (Integer v1 : new Integer[] { 1, null })
2153	>	{
2154		final CompletableFuture<Integer> f = new CompletableFuture<>();
2155		final CompletableFuture<Integer> g = new CompletableFuture<>();
1862	–	final IncFunction r = new IncFunction();
1863	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2156		final CFException ex = new CFException();
2157	+	final IncFunction[] rs = new IncFunction[6];
2158	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2159
2160	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2161	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2162	+	checkIncomplete(h0);
2163	+	checkIncomplete(h1);
2164	+	rs[0].assertNotInvoked();
2165	+	rs[1].assertNotInvoked();
2166		f.completeExceptionally(ex);
2167	<	checkCompletedWithWrappedCFException(h, ex);
2167	>	checkCompletedWithWrappedException(h0, ex);
2168	>	checkCompletedWithWrappedException(h1, ex);
2169	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2170	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2171	>	checkCompletedWithWrappedException(h2, ex);
2172	>	checkCompletedWithWrappedException(h3, ex);
2173		g.complete(v1);
2174
2175	<	assertEquals(0, r.invocationCount);
2176	<	checkCompletedNormally(g, v1);
2177	<	checkCompletedWithWrappedCFException(f, ex);
2178	<	checkCompletedWithWrappedCFException(h, ex);
2179	<	}
2180	<	}
2181	<
2182	<	public void testApplyToEither_exceptionalCompletion2() {
2183	<	for (ExecutionMode m : ExecutionMode.values())
1879	<	for (Integer v1 : new Integer[] { 1, null }) {
1880	<
1881	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1882	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1883	<	final IncFunction r = new IncFunction();
1884	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1885	<	final CFException ex = new CFException();
1886	<
1887	<	g.completeExceptionally(ex);
1888	<	checkCompletedWithWrappedCFException(h, ex);
1889	<	f.complete(v1);
1890	<
1891	<	assertEquals(0, r.invocationCount);
1892	<	checkCompletedNormally(f, v1);
1893	<	checkCompletedWithWrappedCFException(g, ex);
1894	<	checkCompletedWithWrappedCFException(h, ex);
2175	>	// unspecified behavior - both source completions available
2176	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2177	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2178	>	try {
2179	>	assertEquals(inc(v1), h4.join());
2180	>	rs[4].assertValue(inc(v1));
2181	>	} catch (CompletionException ok) {
2182	>	checkCompletedWithWrappedException(h4, ex);
2183	>	rs[4].assertNotInvoked();
2184		}
1896	–	}
1897	–
1898	–	public void testApplyToEither_exceptionalCompletion3() {
1899	–	for (ExecutionMode m : ExecutionMode.values())
1900	–	for (Integer v1 : new Integer[] { 1, null }) {
1901	–
1902	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1903	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1904	–	final IncFunction r = new IncFunction();
1905	–	final CFException ex = new CFException();
1906	–
1907	–	g.completeExceptionally(ex);
1908	–	f.complete(v1);
1909	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1910	–
1911	–	// unspecified behavior
1912	–	Integer v;
2185		try {
2186	<	assertEquals(h.join(), inc(v1));
2187	<	assertEquals(1, r.invocationCount);
2186	>	assertEquals(inc(v1), h5.join());
2187	>	rs[5].assertValue(inc(v1));
2188		} catch (CompletionException ok) {
2189	<	checkCompletedWithWrappedCFException(h, ex);
2190	<	assertEquals(0, r.invocationCount);
2189	>	checkCompletedWithWrappedException(h5, ex);
2190	>	rs[5].assertNotInvoked();
2191		}
2192
2193	<	checkCompletedWithWrappedCFException(g, ex);
2194	<	checkCompletedNormally(f, v1);
2195	<	}
2196	<	}
2193	>	checkCompletedExceptionally(f, ex);
2194	>	checkCompletedNormally(g, v1);
2195	>	checkCompletedWithWrappedException(h0, ex);
2196	>	checkCompletedWithWrappedException(h1, ex);
2197	>	checkCompletedWithWrappedException(h2, ex);
2198	>	checkCompletedWithWrappedException(h3, ex);
2199	>	checkCompletedWithWrappedException(h4, ex);
2200	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2201	>	}}
2202
2203	<	public void testApplyToEither_exceptionalCompletion4() {
2203	>	public void testApplyToEither_exceptionalCompletion2() {
2204		for (ExecutionMode m : ExecutionMode.values())
2205	<	for (Integer v1 : new Integer[] { 1, null }) {
2206	<
2205	>	for (boolean fFirst : new boolean[] { true, false })
2206	>	for (Integer v1 : new Integer[] { 1, null })
2207	>	{
2208		final CompletableFuture<Integer> f = new CompletableFuture<>();
2209		final CompletableFuture<Integer> g = new CompletableFuture<>();
1932	–	final IncFunction r = new IncFunction();
2210		final CFException ex = new CFException();
2211	+	final IncFunction[] rs = new IncFunction[6];
2212	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2213
2214	<	f.completeExceptionally(ex);
2215	<	g.complete(v1);
2216	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2214	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2215	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2216	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2217	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2218	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2219	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2220
2221	<	// unspecified behavior
1940	<	Integer v;
2221	>	// unspecified behavior - both source completions available
2222		try {
2223	<	assertEquals(h.join(), inc(v1));
2224	<	assertEquals(1, r.invocationCount);
2223	>	assertEquals(inc(v1), h0.join());
2224	>	rs[0].assertValue(inc(v1));
2225		} catch (CompletionException ok) {
2226	<	checkCompletedWithWrappedCFException(h, ex);
2227	<	assertEquals(0, r.invocationCount);
2226	>	checkCompletedWithWrappedException(h0, ex);
2227	>	rs[0].assertNotInvoked();
2228		}
2229	<
2230	<	checkCompletedWithWrappedCFException(f, ex);
2231	<	checkCompletedNormally(g, v1);
2229	>	try {
2230	>	assertEquals(inc(v1), h1.join());
2231	>	rs[1].assertValue(inc(v1));
2232	>	} catch (CompletionException ok) {
2233	>	checkCompletedWithWrappedException(h1, ex);
2234	>	rs[1].assertNotInvoked();
2235		}
2236	<	}
2237	<
2238	<	/**
2239	<	* applyToEither result completes exceptionally if action does
2240	<	*/
2241	<	public void testApplyToEither_actionFailed1() {
2242	<	for (ExecutionMode m : ExecutionMode.values())
2243	<	for (Integer v1 : new Integer[] { 1, null })
2244	<	for (Integer v2 : new Integer[] { 2, null }) {
2245	<
2246	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2247	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2248	<	final FailingFunction r = new FailingFunction();
1965	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1966	<
1967	<	f.complete(v1);
1968	<	checkCompletedWithWrappedCFException(h);
1969	<	g.complete(v2);
1970	<	checkCompletedNormally(f, v1);
1971	<	checkCompletedNormally(g, v2);
2236	>	try {
2237	>	assertEquals(inc(v1), h2.join());
2238	>	rs[2].assertValue(inc(v1));
2239	>	} catch (CompletionException ok) {
2240	>	checkCompletedWithWrappedException(h2, ex);
2241	>	rs[2].assertNotInvoked();
2242	>	}
2243	>	try {
2244	>	assertEquals(inc(v1), h3.join());
2245	>	rs[3].assertValue(inc(v1));
2246	>	} catch (CompletionException ok) {
2247	>	checkCompletedWithWrappedException(h3, ex);
2248	>	rs[3].assertNotInvoked();
2249		}
1973	–	}
1974	–
1975	–	public void testApplyToEither_actionFailed2() {
1976	–	for (ExecutionMode m : ExecutionMode.values())
1977	–	for (Integer v1 : new Integer[] { 1, null })
1978	–	for (Integer v2 : new Integer[] { 2, null }) {
1979	–
1980	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1981	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1982	–	final FailingFunction r = new FailingFunction();
1983	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2250
1985	–	g.complete(v2);
1986	–	checkCompletedWithWrappedCFException(h);
1987	–	f.complete(v1);
2251		checkCompletedNormally(f, v1);
2252	<	checkCompletedNormally(g, v2);
2253	<	}
1991	<	}
2252	>	checkCompletedExceptionally(g, ex);
2253	>	}}
2254
2255		/**
2256		* applyToEither result completes exceptionally if either source cancelled
2257		*/
2258	<	public void testApplyToEither_sourceCancelled1() {
2258	>	public void testApplyToEither_sourceCancelled() {
2259		for (ExecutionMode m : ExecutionMode.values())
2260		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2261	<	for (Integer v1 : new Integer[] { 1, null }) {
2262	<
2261	>	for (Integer v1 : new Integer[] { 1, null })
2262	>	{
2263		final CompletableFuture<Integer> f = new CompletableFuture<>();
2264		final CompletableFuture<Integer> g = new CompletableFuture<>();
2265	<	final IncFunction r = new IncFunction();
2266	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2265	>	final IncFunction[] rs = new IncFunction[6];
2266	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2267
2268	<	assertTrue(f.cancel(mayInterruptIfRunning));
2269	<	checkCompletedWithWrappedCancellationException(h);
2268	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2269	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2270	>	checkIncomplete(h0);
2271	>	checkIncomplete(h1);
2272	>	rs[0].assertNotInvoked();
2273	>	rs[1].assertNotInvoked();
2274	>	f.cancel(mayInterruptIfRunning);
2275	>	checkCompletedWithWrappedCancellationException(h0);
2276	>	checkCompletedWithWrappedCancellationException(h1);
2277	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2278	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2279	>	checkCompletedWithWrappedCancellationException(h2);
2280	>	checkCompletedWithWrappedCancellationException(h3);
2281		g.complete(v1);
2282
2283	+	// unspecified behavior - both source completions available
2284	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2285	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2286	+	try {
2287	+	assertEquals(inc(v1), h4.join());
2288	+	rs[4].assertValue(inc(v1));
2289	+	} catch (CompletionException ok) {
2290	+	checkCompletedWithWrappedCancellationException(h4);
2291	+	rs[4].assertNotInvoked();
2292	+	}
2293	+	try {
2294	+	assertEquals(inc(v1), h5.join());
2295	+	rs[5].assertValue(inc(v1));
2296	+	} catch (CompletionException ok) {
2297	+	checkCompletedWithWrappedCancellationException(h5);
2298	+	rs[5].assertNotInvoked();
2299	+	}
2300	+
2301		checkCancelled(f);
2011	–	assertEquals(0, r.invocationCount);
2302		checkCompletedNormally(g, v1);
2303	<	checkCompletedWithWrappedCancellationException(h);
2304	<	}
2305	<	}
2303	>	checkCompletedWithWrappedCancellationException(h0);
2304	>	checkCompletedWithWrappedCancellationException(h1);
2305	>	checkCompletedWithWrappedCancellationException(h2);
2306	>	checkCompletedWithWrappedCancellationException(h3);
2307	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2308	>	}}
2309
2310		public void testApplyToEither_sourceCancelled2() {
2311		for (ExecutionMode m : ExecutionMode.values())
2312		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2313	<	for (Integer v1 : new Integer[] { 1, null }) {
2314	<
2313	>	for (boolean fFirst : new boolean[] { true, false })
2314	>	for (Integer v1 : new Integer[] { 1, null })
2315	>	{
2316		final CompletableFuture<Integer> f = new CompletableFuture<>();
2317		final CompletableFuture<Integer> g = new CompletableFuture<>();
2318	<	final IncFunction r = new IncFunction();
2319	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2318	>	final IncFunction[] rs = new IncFunction[6];
2319	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2320
2321	<	assertTrue(g.cancel(mayInterruptIfRunning));
2322	<	checkCompletedWithWrappedCancellationException(h);
2323	<	f.complete(v1);
2321	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2322	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2323	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2324	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2325	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2326	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2327
2328	<	checkCancelled(g);
2329	<	assertEquals(0, r.invocationCount);
2330	<	checkCompletedNormally(f, v1);
2331	<	checkCompletedWithWrappedCancellationException(h);
2328	>	// unspecified behavior - both source completions available
2329	>	try {
2330	>	assertEquals(inc(v1), h0.join());
2331	>	rs[0].assertValue(inc(v1));
2332	>	} catch (CompletionException ok) {
2333	>	checkCompletedWithWrappedCancellationException(h0);
2334	>	rs[0].assertNotInvoked();
2335		}
2036	–	}
2037	–
2038	–	public void testApplyToEither_sourceCancelled3() {
2039	–	for (ExecutionMode m : ExecutionMode.values())
2040	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2041	–	for (Integer v1 : new Integer[] { 1, null }) {
2042	–
2043	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2044	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2045	–	final IncFunction r = new IncFunction();
2046	–
2047	–	assertTrue(g.cancel(mayInterruptIfRunning));
2048	–	f.complete(v1);
2049	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2050	–
2051	–	// unspecified behavior
2052	–	Integer v;
2336		try {
2337	<	assertEquals(h.join(), inc(v1));
2338	<	assertEquals(1, r.invocationCount);
2337	>	assertEquals(inc(v1), h1.join());
2338	>	rs[1].assertValue(inc(v1));
2339		} catch (CompletionException ok) {
2340	<	checkCompletedWithWrappedCancellationException(h);
2341	<	assertEquals(0, r.invocationCount);
2340	>	checkCompletedWithWrappedCancellationException(h1);
2341	>	rs[1].assertNotInvoked();
2342		}
2343	<
2344	<	checkCancelled(g);
2345	<	checkCompletedNormally(f, v1);
2343	>	try {
2344	>	assertEquals(inc(v1), h2.join());
2345	>	rs[2].assertValue(inc(v1));
2346	>	} catch (CompletionException ok) {
2347	>	checkCompletedWithWrappedCancellationException(h2);
2348	>	rs[2].assertNotInvoked();
2349		}
2064	–	}
2065	–
2066	–	public void testApplyToEither_sourceCancelled4() {
2067	–	for (ExecutionMode m : ExecutionMode.values())
2068	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2069	–	for (Integer v1 : new Integer[] { 1, null }) {
2070	–
2071	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2072	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2073	–	final IncFunction r = new IncFunction();
2074	–
2075	–	assertTrue(f.cancel(mayInterruptIfRunning));
2076	–	g.complete(v1);
2077	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2078	–
2079	–	// unspecified behavior
2080	–	Integer v;
2350		try {
2351	<	assertEquals(h.join(), inc(v1));
2352	<	assertEquals(1, r.invocationCount);
2351	>	assertEquals(inc(v1), h3.join());
2352	>	rs[3].assertValue(inc(v1));
2353		} catch (CompletionException ok) {
2354	<	checkCompletedWithWrappedCancellationException(h);
2355	<	assertEquals(0, r.invocationCount);
2354	>	checkCompletedWithWrappedCancellationException(h3);
2355	>	rs[3].assertNotInvoked();
2356		}
2357
2358	<	checkCancelled(f);
2359	<	checkCompletedNormally(g, v1);
2360	<	}
2092	<	}
2358	>	checkCompletedNormally(f, v1);
2359	>	checkCancelled(g);
2360	>	}}
2361
2362		/**
2363	<	* acceptEither result completes normally after normal completion
2096	<	* of either source
2363	>	* applyToEither result completes exceptionally if action does
2364		*/
2365	<	public void testAcceptEither_normalCompletion1() {
2365	>	public void testApplyToEither_actionFailed() {
2366		for (ExecutionMode m : ExecutionMode.values())
2367		for (Integer v1 : new Integer[] { 1, null })
2368	<	for (Integer v2 : new Integer[] { 2, null }) {
2369	<
2368	>	for (Integer v2 : new Integer[] { 2, null })
2369	>	{
2370		final CompletableFuture<Integer> f = new CompletableFuture<>();
2371		final CompletableFuture<Integer> g = new CompletableFuture<>();
2372	<	final IncAction r = new IncAction();
2373	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2372	>	final FailingFunction[] rs = new FailingFunction[6];
2373	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2374	>
2375	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2376	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2377	>	f.complete(v1);
2378	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2379	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2380	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2381	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2382	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2383	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2384	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2385
2108	–	f.complete(v1);
2109	–	checkCompletedNormally(h, null);
2110	–	assertEquals(r.value, inc(v1));
2386		g.complete(v2);
2387
2388	+	// unspecified behavior - both source completions available
2389	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2390	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2391	+
2392	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2393	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2394	+	Objects.equals(v2, rs[4].value));
2395	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2396	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2397	+	Objects.equals(v2, rs[5].value));
2398	+
2399		checkCompletedNormally(f, v1);
2400		checkCompletedNormally(g, v2);
2401	<	checkCompletedNormally(h, null);
2116	<	}
2117	<	}
2401	>	}}
2402
2403	<	public void testAcceptEither_normalCompletion2() {
2403	>	/**
2404	>	* acceptEither result completes normally after normal completion
2405	>	* of either source
2406	>	*/
2407	>	public void testAcceptEither_normalCompletion() {
2408		for (ExecutionMode m : ExecutionMode.values())
2409		for (Integer v1 : new Integer[] { 1, null })
2410	<	for (Integer v2 : new Integer[] { 2, null }) {
2411	<
2410	>	for (Integer v2 : new Integer[] { 2, null })
2411	>	{
2412		final CompletableFuture<Integer> f = new CompletableFuture<>();
2413		final CompletableFuture<Integer> g = new CompletableFuture<>();
2414	<	final IncAction r = new IncAction();
2415	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2414	>	final NoopConsumer[] rs = new NoopConsumer[6];
2415	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2416
2417	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2418	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2419	+	checkIncomplete(h0);
2420	+	checkIncomplete(h1);
2421	+	rs[0].assertNotInvoked();
2422	+	rs[1].assertNotInvoked();
2423	+	f.complete(v1);
2424	+	checkCompletedNormally(h0, null);
2425	+	checkCompletedNormally(h1, null);
2426	+	rs[0].assertValue(v1);
2427	+	rs[1].assertValue(v1);
2428	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2429	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2430	+	checkCompletedNormally(h2, null);
2431	+	checkCompletedNormally(h3, null);
2432	+	rs[2].assertValue(v1);
2433	+	rs[3].assertValue(v1);
2434		g.complete(v2);
2130	–	checkCompletedNormally(h, null);
2131	–	assertEquals(r.value, inc(v2));
2132	–	f.complete(v1);
2133	–
2134	–	checkCompletedNormally(f, v1);
2135	–	checkCompletedNormally(g, v2);
2136	–	checkCompletedNormally(h, null);
2137	–	}
2138	–	}
2139	–	public void testAcceptEither_normalCompletion3() {
2140	–	for (ExecutionMode m : ExecutionMode.values())
2141	–	for (Integer v1 : new Integer[] { 1, null })
2142	–	for (Integer v2 : new Integer[] { 2, null }) {
2143	–
2144	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2145	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2146	–	final IncAction r = new IncAction();
2435
2436	<	f.complete(v1);
2437	<	g.complete(v2);
2438	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2436	>	// unspecified behavior - both source completions available
2437	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2438	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2439	>	checkCompletedNormally(h4, null);
2440	>	checkCompletedNormally(h5, null);
2441	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2442	>	Objects.equals(v2, rs[4].value));
2443	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2444	>	Objects.equals(v2, rs[5].value));
2445
2152	–	checkCompletedNormally(h, null);
2446		checkCompletedNormally(f, v1);
2447		checkCompletedNormally(g, v2);
2448	<
2449	<	// unspecified behavior
2450	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2451	<	Objects.equals(r.value, inc(v2)));
2452	<	}
2453	<	}
2448	>	checkCompletedNormally(h0, null);
2449	>	checkCompletedNormally(h1, null);
2450	>	checkCompletedNormally(h2, null);
2451	>	checkCompletedNormally(h3, null);
2452	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2453	>	}}
2454
2455		/**
2456		* acceptEither result completes exceptionally after exceptional
2457		* completion of either source
2458		*/
2459	<	public void testAcceptEither_exceptionalCompletion1() {
2459	>	public void testAcceptEither_exceptionalCompletion() {
2460		for (ExecutionMode m : ExecutionMode.values())
2461	<	for (Integer v1 : new Integer[] { 1, null }) {
2462	<
2461	>	for (Integer v1 : new Integer[] { 1, null })
2462	>	{
2463		final CompletableFuture<Integer> f = new CompletableFuture<>();
2464		final CompletableFuture<Integer> g = new CompletableFuture<>();
2172	–	final IncAction r = new IncAction();
2173	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2465		final CFException ex = new CFException();
2466	+	final NoopConsumer[] rs = new NoopConsumer[6];
2467	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2468
2469	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2470	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2471	+	checkIncomplete(h0);
2472	+	checkIncomplete(h1);
2473	+	rs[0].assertNotInvoked();
2474	+	rs[1].assertNotInvoked();
2475		f.completeExceptionally(ex);
2476	<	checkCompletedWithWrappedCFException(h, ex);
2477	<	g.complete(v1);
2476	>	checkCompletedWithWrappedException(h0, ex);
2477	>	checkCompletedWithWrappedException(h1, ex);
2478	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2479	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2480	>	checkCompletedWithWrappedException(h2, ex);
2481	>	checkCompletedWithWrappedException(h3, ex);
2482
2483	<	assertEquals(0, r.invocationCount);
2181	<	checkCompletedNormally(g, v1);
2182	<	checkCompletedWithWrappedCFException(f, ex);
2183	<	checkCompletedWithWrappedCFException(h, ex);
2184	<	}
2185	<	}
2186	<
2187	<	public void testAcceptEither_exceptionalCompletion2() {
2188	<	for (ExecutionMode m : ExecutionMode.values())
2189	<	for (Integer v1 : new Integer[] { 1, null }) {
2190	<
2191	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2192	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2193	<	final IncAction r = new IncAction();
2194	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2195	<	final CFException ex = new CFException();
2196	<
2197	<	g.completeExceptionally(ex);
2198	<	checkCompletedWithWrappedCFException(h, ex);
2199	<	f.complete(v1);
2483	>	g.complete(v1);
2484
2485	<	assertEquals(0, r.invocationCount);
2486	<	checkCompletedNormally(f, v1);
2487	<	checkCompletedWithWrappedCFException(g, ex);
2488	<	checkCompletedWithWrappedCFException(h, ex);
2485	>	// unspecified behavior - both source completions available
2486	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2487	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2488	>	try {
2489	>	assertNull(h4.join());
2490	>	rs[4].assertValue(v1);
2491	>	} catch (CompletionException ok) {
2492	>	checkCompletedWithWrappedException(h4, ex);
2493	>	rs[4].assertNotInvoked();
2494		}
2206	–	}
2207	–
2208	–	public void testAcceptEither_exceptionalCompletion3() {
2209	–	for (ExecutionMode m : ExecutionMode.values())
2210	–	for (Integer v1 : new Integer[] { 1, null }) {
2211	–
2212	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2213	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2214	–	final IncAction r = new IncAction();
2215	–	final CFException ex = new CFException();
2216	–
2217	–	g.completeExceptionally(ex);
2218	–	f.complete(v1);
2219	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2220	–
2221	–	// unspecified behavior
2222	–	Integer v;
2495		try {
2496	<	assertEquals(h.join(), null);
2497	<	assertEquals(1, r.invocationCount);
2226	<	assertEquals(inc(v1), r.value);
2496	>	assertNull(h5.join());
2497	>	rs[5].assertValue(v1);
2498		} catch (CompletionException ok) {
2499	<	checkCompletedWithWrappedCFException(h, ex);
2500	<	assertEquals(0, r.invocationCount);
2499	>	checkCompletedWithWrappedException(h5, ex);
2500	>	rs[5].assertNotInvoked();
2501		}
2502
2503	<	checkCompletedWithWrappedCFException(g, ex);
2504	<	checkCompletedNormally(f, v1);
2505	<	}
2506	<	}
2503	>	checkCompletedExceptionally(f, ex);
2504	>	checkCompletedNormally(g, v1);
2505	>	checkCompletedWithWrappedException(h0, ex);
2506	>	checkCompletedWithWrappedException(h1, ex);
2507	>	checkCompletedWithWrappedException(h2, ex);
2508	>	checkCompletedWithWrappedException(h3, ex);
2509	>	checkCompletedWithWrappedException(h4, ex);
2510	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2511	>	}}
2512
2513	<	public void testAcceptEither_exceptionalCompletion4() {
2513	>	public void testAcceptEither_exceptionalCompletion2() {
2514		for (ExecutionMode m : ExecutionMode.values())
2515	<	for (Integer v1 : new Integer[] { 1, null }) {
2516	<
2515	>	for (boolean fFirst : new boolean[] { true, false })
2516	>	for (Integer v1 : new Integer[] { 1, null })
2517	>	{
2518		final CompletableFuture<Integer> f = new CompletableFuture<>();
2519		final CompletableFuture<Integer> g = new CompletableFuture<>();
2243	–	final IncAction r = new IncAction();
2520		final CFException ex = new CFException();
2521	+	final NoopConsumer[] rs = new NoopConsumer[6];
2522	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2523
2524	<	f.completeExceptionally(ex);
2525	<	g.complete(v1);
2526	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2524	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2525	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2526	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2527	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2528	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2529	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2530
2531	<	// unspecified behavior
2251	<	Integer v;
2531	>	// unspecified behavior - both source completions available
2532		try {
2533	<	assertEquals(h.join(), null);
2534	<	assertEquals(1, r.invocationCount);
2255	<	assertEquals(inc(v1), r.value);
2533	>	assertEquals(null, h0.join());
2534	>	rs[0].assertValue(v1);
2535		} catch (CompletionException ok) {
2536	<	checkCompletedWithWrappedCFException(h, ex);
2537	<	assertEquals(0, r.invocationCount);
2536	>	checkCompletedWithWrappedException(h0, ex);
2537	>	rs[0].assertNotInvoked();
2538		}
2539	<
2540	<	checkCompletedWithWrappedCFException(f, ex);
2541	<	checkCompletedNormally(g, v1);
2539	>	try {
2540	>	assertEquals(null, h1.join());
2541	>	rs[1].assertValue(v1);
2542	>	} catch (CompletionException ok) {
2543	>	checkCompletedWithWrappedException(h1, ex);
2544	>	rs[1].assertNotInvoked();
2545		}
2546	<	}
2547	<
2548	<	/**
2549	<	* acceptEither result completes exceptionally if action does
2550	<	*/
2551	<	public void testAcceptEither_actionFailed1() {
2552	<	for (ExecutionMode m : ExecutionMode.values())
2553	<	for (Integer v1 : new Integer[] { 1, null })
2554	<	for (Integer v2 : new Integer[] { 2, null }) {
2555	<
2556	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2557	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2558	<	final FailingConsumer r = new FailingConsumer();
2277	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2278	<
2279	<	f.complete(v1);
2280	<	checkCompletedWithWrappedCFException(h);
2281	<	g.complete(v2);
2282	<	checkCompletedNormally(f, v1);
2283	<	checkCompletedNormally(g, v2);
2546	>	try {
2547	>	assertEquals(null, h2.join());
2548	>	rs[2].assertValue(v1);
2549	>	} catch (CompletionException ok) {
2550	>	checkCompletedWithWrappedException(h2, ex);
2551	>	rs[2].assertNotInvoked();
2552	>	}
2553	>	try {
2554	>	assertEquals(null, h3.join());
2555	>	rs[3].assertValue(v1);
2556	>	} catch (CompletionException ok) {
2557	>	checkCompletedWithWrappedException(h3, ex);
2558	>	rs[3].assertNotInvoked();
2559		}
2285	–	}
2286	–
2287	–	public void testAcceptEither_actionFailed2() {
2288	–	for (ExecutionMode m : ExecutionMode.values())
2289	–	for (Integer v1 : new Integer[] { 1, null })
2290	–	for (Integer v2 : new Integer[] { 2, null }) {
2291	–
2292	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2293	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2294	–	final FailingConsumer r = new FailingConsumer();
2295	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2560
2297	–	g.complete(v2);
2298	–	checkCompletedWithWrappedCFException(h);
2299	–	f.complete(v1);
2561		checkCompletedNormally(f, v1);
2562	<	checkCompletedNormally(g, v2);
2563	<	}
2303	<	}
2562	>	checkCompletedExceptionally(g, ex);
2563	>	}}
2564
2565		/**
2566		* acceptEither result completes exceptionally if either source cancelled
2567		*/
2568	<	public void testAcceptEither_sourceCancelled1() {
2309	<	for (ExecutionMode m : ExecutionMode.values())
2310	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2311	<	for (Integer v1 : new Integer[] { 1, null }) {
2312	<
2313	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2314	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2315	<	final IncAction r = new IncAction();
2316	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2317	<
2318	<	assertTrue(f.cancel(mayInterruptIfRunning));
2319	<	checkCompletedWithWrappedCancellationException(h);
2320	<	g.complete(v1);
2321	<
2322	<	checkCancelled(f);
2323	<	assertEquals(0, r.invocationCount);
2324	<	checkCompletedNormally(g, v1);
2325	<	checkCompletedWithWrappedCancellationException(h);
2326	<	}
2327	<	}
2328	<
2329	<	public void testAcceptEither_sourceCancelled2() {
2568	>	public void testAcceptEither_sourceCancelled() {
2569		for (ExecutionMode m : ExecutionMode.values())
2570		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2571	<	for (Integer v1 : new Integer[] { 1, null }) {
2572	<
2571	>	for (Integer v1 : new Integer[] { 1, null })
2572	>	{
2573		final CompletableFuture<Integer> f = new CompletableFuture<>();
2574		final CompletableFuture<Integer> g = new CompletableFuture<>();
2575	<	final IncAction r = new IncAction();
2576	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2338	<
2339	<	assertTrue(g.cancel(mayInterruptIfRunning));
2340	<	checkCompletedWithWrappedCancellationException(h);
2341	<	f.complete(v1);
2342	<
2343	<	checkCancelled(g);
2344	<	assertEquals(0, r.invocationCount);
2345	<	checkCompletedNormally(f, v1);
2346	<	checkCompletedWithWrappedCancellationException(h);
2347	<	}
2348	<	}
2349	<
2350	<	public void testAcceptEither_sourceCancelled3() {
2351	<	for (ExecutionMode m : ExecutionMode.values())
2352	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2353	<	for (Integer v1 : new Integer[] { 1, null }) {
2575	>	final NoopConsumer[] rs = new NoopConsumer[6];
2576	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2577
2578	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2579	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2580	<	final IncAction r = new IncAction();
2578	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2579	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2580	>	checkIncomplete(h0);
2581	>	checkIncomplete(h1);
2582	>	rs[0].assertNotInvoked();
2583	>	rs[1].assertNotInvoked();
2584	>	f.cancel(mayInterruptIfRunning);
2585	>	checkCompletedWithWrappedCancellationException(h0);
2586	>	checkCompletedWithWrappedCancellationException(h1);
2587	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2588	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2589	>	checkCompletedWithWrappedCancellationException(h2);
2590	>	checkCompletedWithWrappedCancellationException(h3);
2591
2592	<	assertTrue(g.cancel(mayInterruptIfRunning));
2360	<	f.complete(v1);
2361	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2592	>	g.complete(v1);
2593
2594	<	// unspecified behavior
2595	<	Integer v;
2594	>	// unspecified behavior - both source completions available
2595	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2596	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2597		try {
2598	<	assertEquals(h.join(), null);
2599	<	assertEquals(1, r.invocationCount);
2368	<	assertEquals(inc(v1), r.value);
2598	>	assertNull(h4.join());
2599	>	rs[4].assertValue(v1);
2600		} catch (CompletionException ok) {
2601	<	checkCompletedWithWrappedCancellationException(h);
2602	<	assertEquals(0, r.invocationCount);
2601	>	checkCompletedWithWrappedCancellationException(h4);
2602	>	rs[4].assertNotInvoked();
2603		}
2373	–
2374	–	checkCancelled(g);
2375	–	checkCompletedNormally(f, v1);
2376	–	}
2377	–	}
2378	–
2379	–	public void testAcceptEither_sourceCancelled4() {
2380	–	for (ExecutionMode m : ExecutionMode.values())
2381	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2382	–	for (Integer v1 : new Integer[] { 1, null }) {
2383	–
2384	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2385	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2386	–	final IncAction r = new IncAction();
2387	–
2388	–	assertTrue(f.cancel(mayInterruptIfRunning));
2389	–	g.complete(v1);
2390	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2391	–
2392	–	// unspecified behavior
2393	–	Integer v;
2604		try {
2605	<	assertEquals(h.join(), null);
2606	<	assertEquals(1, r.invocationCount);
2397	<	assertEquals(inc(v1), r.value);
2605	>	assertNull(h5.join());
2606	>	rs[5].assertValue(v1);
2607		} catch (CompletionException ok) {
2608	<	checkCompletedWithWrappedCancellationException(h);
2609	<	assertEquals(0, r.invocationCount);
2608	>	checkCompletedWithWrappedCancellationException(h5);
2609	>	rs[5].assertNotInvoked();
2610		}
2611
2612		checkCancelled(f);
2613		checkCompletedNormally(g, v1);
2614	<	}
2615	<	}
2614	>	checkCompletedWithWrappedCancellationException(h0);
2615	>	checkCompletedWithWrappedCancellationException(h1);
2616	>	checkCompletedWithWrappedCancellationException(h2);
2617	>	checkCompletedWithWrappedCancellationException(h3);
2618	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2619	>	}}
2620
2621		/**
2622	<	* runAfterEither result completes normally after normal completion
2410	<	* of either source
2622	>	* acceptEither result completes exceptionally if action does
2623		*/
2624	<	public void testRunAfterEither_normalCompletion1() {
2624	>	public void testAcceptEither_actionFailed() {
2625		for (ExecutionMode m : ExecutionMode.values())
2626		for (Integer v1 : new Integer[] { 1, null })
2627	<	for (Integer v2 : new Integer[] { 2, null }) {
2628	<
2627	>	for (Integer v2 : new Integer[] { 2, null })
2628	>	{
2629		final CompletableFuture<Integer> f = new CompletableFuture<>();
2630		final CompletableFuture<Integer> g = new CompletableFuture<>();
2631	<	final Noop r = new Noop();
2632	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2631	>	final FailingConsumer[] rs = new FailingConsumer[6];
2632	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2633	>
2634	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2635	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2636	>	f.complete(v1);
2637	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2638	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2639	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2640	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2641	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2642	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2643	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2644
2422	–	f.complete(v1);
2423	–	checkCompletedNormally(h, null);
2424	–	assertEquals(1, r.invocationCount);
2645		g.complete(v2);
2646
2647	+	// unspecified behavior - both source completions available
2648	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2649	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2650	+
2651	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2652	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2653	+	Objects.equals(v2, rs[4].value));
2654	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2655	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2656	+	Objects.equals(v2, rs[5].value));
2657	+
2658		checkCompletedNormally(f, v1);
2659		checkCompletedNormally(g, v2);
2660	<	checkCompletedNormally(h, null);
2430	<	assertEquals(1, r.invocationCount);
2431	<	}
2432	<	}
2660	>	}}
2661
2662	<	public void testRunAfterEither_normalCompletion2() {
2662	>	/**
2663	>	* runAfterEither result completes normally after normal completion
2664	>	* of either source
2665	>	*/
2666	>	public void testRunAfterEither_normalCompletion() {
2667		for (ExecutionMode m : ExecutionMode.values())
2668		for (Integer v1 : new Integer[] { 1, null })
2669	<	for (Integer v2 : new Integer[] { 2, null }) {
2670	<
2669	>	for (Integer v2 : new Integer[] { 2, null })
2670	>	{
2671		final CompletableFuture<Integer> f = new CompletableFuture<>();
2672		final CompletableFuture<Integer> g = new CompletableFuture<>();
2673	<	final Noop r = new Noop();
2674	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2443	<
2444	<	g.complete(v2);
2445	<	checkCompletedNormally(h, null);
2446	<	assertEquals(1, r.invocationCount);
2447	<	f.complete(v1);
2448	<
2449	<	checkCompletedNormally(f, v1);
2450	<	checkCompletedNormally(g, v2);
2451	<	checkCompletedNormally(h, null);
2452	<	assertEquals(1, r.invocationCount);
2453	<	}
2454	<	}
2455	<	public void testRunAfterEither_normalCompletion3() {
2456	<	for (ExecutionMode m : ExecutionMode.values())
2457	<	for (Integer v1 : new Integer[] { 1, null })
2458	<	for (Integer v2 : new Integer[] { 2, null }) {
2673	>	final Noop[] rs = new Noop[6];
2674	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2675
2676	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2677	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2678	<	final Noop r = new Noop();
2676	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2677	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2678	>	checkIncomplete(h0);
2679	>	checkIncomplete(h1);
2680	>	rs[0].assertNotInvoked();
2681	>	rs[1].assertNotInvoked();
2682	>	f.complete(v1);
2683	>	checkCompletedNormally(h0, null);
2684	>	checkCompletedNormally(h1, null);
2685	>	rs[0].assertInvoked();
2686	>	rs[1].assertInvoked();
2687	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2688	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2689	>	checkCompletedNormally(h2, null);
2690	>	checkCompletedNormally(h3, null);
2691	>	rs[2].assertInvoked();
2692	>	rs[3].assertInvoked();
2693
2464	–	f.complete(v1);
2694		g.complete(v2);
2466	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2695
2696	<	checkCompletedNormally(h, null);
2696	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2697	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2698	>
2699		checkCompletedNormally(f, v1);
2700		checkCompletedNormally(g, v2);
2701	<	assertEquals(1, r.invocationCount);
2702	<	}
2703	<	}
2701	>	checkCompletedNormally(h0, null);
2702	>	checkCompletedNormally(h1, null);
2703	>	checkCompletedNormally(h2, null);
2704	>	checkCompletedNormally(h3, null);
2705	>	checkCompletedNormally(h4, null);
2706	>	checkCompletedNormally(h5, null);
2707	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2708	>	}}
2709
2710		/**
2711		* runAfterEither result completes exceptionally after exceptional
2712		* completion of either source
2713		*/
2714	<	public void testRunAfterEither_exceptionalCompletion1() {
2714	>	public void testRunAfterEither_exceptionalCompletion() {
2715		for (ExecutionMode m : ExecutionMode.values())
2716	<	for (Integer v1 : new Integer[] { 1, null }) {
2717	<
2716	>	for (Integer v1 : new Integer[] { 1, null })
2717	>	{
2718		final CompletableFuture<Integer> f = new CompletableFuture<>();
2719		final CompletableFuture<Integer> g = new CompletableFuture<>();
2485	–	final Noop r = new Noop();
2486	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2720		final CFException ex = new CFException();
2721	+	final Noop[] rs = new Noop[6];
2722	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2723
2724	<	f.completeExceptionally(ex);
2725	<	checkCompletedWithWrappedCFException(h, ex);
2726	<	g.complete(v1);
2724	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2725	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2726	>	checkIncomplete(h0);
2727	>	checkIncomplete(h1);
2728	>	rs[0].assertNotInvoked();
2729	>	rs[1].assertNotInvoked();
2730	>	assertTrue(f.completeExceptionally(ex));
2731	>	checkCompletedWithWrappedException(h0, ex);
2732	>	checkCompletedWithWrappedException(h1, ex);
2733	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2734	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2735	>	checkCompletedWithWrappedException(h2, ex);
2736	>	checkCompletedWithWrappedException(h3, ex);
2737	>
2738	>	assertTrue(g.complete(v1));
2739	>
2740	>	// unspecified behavior - both source completions available
2741	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2742	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2743	>	try {
2744	>	assertNull(h4.join());
2745	>	rs[4].assertInvoked();
2746	>	} catch (CompletionException ok) {
2747	>	checkCompletedWithWrappedException(h4, ex);
2748	>	rs[4].assertNotInvoked();
2749	>	}
2750	>	try {
2751	>	assertNull(h5.join());
2752	>	rs[5].assertInvoked();
2753	>	} catch (CompletionException ok) {
2754	>	checkCompletedWithWrappedException(h5, ex);
2755	>	rs[5].assertNotInvoked();
2756	>	}
2757
2758	<	assertEquals(0, r.invocationCount);
2758	>	checkCompletedExceptionally(f, ex);
2759		checkCompletedNormally(g, v1);
2760	<	checkCompletedWithWrappedCFException(f, ex);
2761	<	checkCompletedWithWrappedCFException(h, ex);
2762	<	}
2763	<	}
2760	>	checkCompletedWithWrappedException(h0, ex);
2761	>	checkCompletedWithWrappedException(h1, ex);
2762	>	checkCompletedWithWrappedException(h2, ex);
2763	>	checkCompletedWithWrappedException(h3, ex);
2764	>	checkCompletedWithWrappedException(h4, ex);
2765	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2766	>	}}
2767
2768		public void testRunAfterEither_exceptionalCompletion2() {
2769		for (ExecutionMode m : ExecutionMode.values())
2770	<	for (Integer v1 : new Integer[] { 1, null }) {
2771	<
2772	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2505	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2506	<	final Noop r = new Noop();
2507	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2508	<	final CFException ex = new CFException();
2509	<
2510	<	g.completeExceptionally(ex);
2511	<	checkCompletedWithWrappedCFException(h, ex);
2512	<	f.complete(v1);
2513	<
2514	<	assertEquals(0, r.invocationCount);
2515	<	checkCompletedNormally(f, v1);
2516	<	checkCompletedWithWrappedCFException(g, ex);
2517	<	checkCompletedWithWrappedCFException(h, ex);
2518	<	}
2519	<	}
2520	<
2521	<	public void testRunAfterEither_exceptionalCompletion3() {
2522	<	for (ExecutionMode m : ExecutionMode.values())
2523	<	for (Integer v1 : new Integer[] { 1, null }) {
2524	<
2770	>	for (boolean fFirst : new boolean[] { true, false })
2771	>	for (Integer v1 : new Integer[] { 1, null })
2772	>	{
2773		final CompletableFuture<Integer> f = new CompletableFuture<>();
2774		final CompletableFuture<Integer> g = new CompletableFuture<>();
2527	–	final Noop r = new Noop();
2775		final CFException ex = new CFException();
2776	+	final Noop[] rs = new Noop[6];
2777	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2778
2779	<	g.completeExceptionally(ex);
2780	<	f.complete(v1);
2781	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2779	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2780	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2781	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2782	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2783	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2784	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2785
2786	<	// unspecified behavior
2535	<	Integer v;
2786	>	// unspecified behavior - both source completions available
2787		try {
2788	<	assertEquals(h.join(), null);
2789	<	assertEquals(1, r.invocationCount);
2788	>	assertEquals(null, h0.join());
2789	>	rs[0].assertInvoked();
2790		} catch (CompletionException ok) {
2791	<	checkCompletedWithWrappedCFException(h, ex);
2792	<	assertEquals(0, r.invocationCount);
2791	>	checkCompletedWithWrappedException(h0, ex);
2792	>	rs[0].assertNotInvoked();
2793		}
2543	–
2544	–	checkCompletedWithWrappedCFException(g, ex);
2545	–	checkCompletedNormally(f, v1);
2546	–	}
2547	–	}
2548	–
2549	–	public void testRunAfterEither_exceptionalCompletion4() {
2550	–	for (ExecutionMode m : ExecutionMode.values())
2551	–	for (Integer v1 : new Integer[] { 1, null }) {
2552	–
2553	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2554	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2555	–	final Noop r = new Noop();
2556	–	final CFException ex = new CFException();
2557	–
2558	–	f.completeExceptionally(ex);
2559	–	g.complete(v1);
2560	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2561	–
2562	–	// unspecified behavior
2563	–	Integer v;
2794		try {
2795	<	assertEquals(h.join(), null);
2796	<	assertEquals(1, r.invocationCount);
2795	>	assertEquals(null, h1.join());
2796	>	rs[1].assertInvoked();
2797		} catch (CompletionException ok) {
2798	<	checkCompletedWithWrappedCFException(h, ex);
2799	<	assertEquals(0, r.invocationCount);
2798	>	checkCompletedWithWrappedException(h1, ex);
2799	>	rs[1].assertNotInvoked();
2800		}
2801	<
2802	<	checkCompletedWithWrappedCFException(f, ex);
2803	<	checkCompletedNormally(g, v1);
2801	>	try {
2802	>	assertEquals(null, h2.join());
2803	>	rs[2].assertInvoked();
2804	>	} catch (CompletionException ok) {
2805	>	checkCompletedWithWrappedException(h2, ex);
2806	>	rs[2].assertNotInvoked();
2807		}
2808	<	}
2809	<
2810	<	/**
2811	<	* runAfterEither result completes exceptionally if action does
2812	<	*/
2813	<	public void testRunAfterEither_actionFailed1() {
2581	<	for (ExecutionMode m : ExecutionMode.values())
2582	<	for (Integer v1 : new Integer[] { 1, null })
2583	<	for (Integer v2 : new Integer[] { 2, null }) {
2584	<
2585	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2586	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2587	<	final FailingNoop r = new FailingNoop();
2588	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2589	<
2590	<	f.complete(v1);
2591	<	checkCompletedWithWrappedCFException(h);
2592	<	g.complete(v2);
2593	<	checkCompletedNormally(f, v1);
2594	<	checkCompletedNormally(g, v2);
2808	>	try {
2809	>	assertEquals(null, h3.join());
2810	>	rs[3].assertInvoked();
2811	>	} catch (CompletionException ok) {
2812	>	checkCompletedWithWrappedException(h3, ex);
2813	>	rs[3].assertNotInvoked();
2814		}
2596	–	}
2597	–
2598	–	public void testRunAfterEither_actionFailed2() {
2599	–	for (ExecutionMode m : ExecutionMode.values())
2600	–	for (Integer v1 : new Integer[] { 1, null })
2601	–	for (Integer v2 : new Integer[] { 2, null }) {
2602	–
2603	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2604	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2605	–	final FailingNoop r = new FailingNoop();
2606	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2815
2608	–	g.complete(v2);
2609	–	checkCompletedWithWrappedCFException(h);
2610	–	f.complete(v1);
2816		checkCompletedNormally(f, v1);
2817	<	checkCompletedNormally(g, v2);
2818	<	}
2614	<	}
2817	>	checkCompletedExceptionally(g, ex);
2818	>	}}
2819
2820		/**
2821		* runAfterEither result completes exceptionally if either source cancelled
2822		*/
2823	<	public void testRunAfterEither_sourceCancelled1() {
2620	<	for (ExecutionMode m : ExecutionMode.values())
2621	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2622	<	for (Integer v1 : new Integer[] { 1, null }) {
2623	<
2624	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2625	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2626	<	final Noop r = new Noop();
2627	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2628	<
2629	<	assertTrue(f.cancel(mayInterruptIfRunning));
2630	<	checkCompletedWithWrappedCancellationException(h);
2631	<	g.complete(v1);
2632	<
2633	<	checkCancelled(f);
2634	<	assertEquals(0, r.invocationCount);
2635	<	checkCompletedNormally(g, v1);
2636	<	checkCompletedWithWrappedCancellationException(h);
2637	<	}
2638	<	}
2639	<
2640	<	public void testRunAfterEither_sourceCancelled2() {
2823	>	public void testRunAfterEither_sourceCancelled() {
2824		for (ExecutionMode m : ExecutionMode.values())
2825		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2826	<	for (Integer v1 : new Integer[] { 1, null }) {
2827	<
2645	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2646	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2647	<	final Noop r = new Noop();
2648	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2649	<
2650	<	assertTrue(g.cancel(mayInterruptIfRunning));
2651	<	checkCompletedWithWrappedCancellationException(h);
2652	<	f.complete(v1);
2653	<
2654	<	checkCancelled(g);
2655	<	assertEquals(0, r.invocationCount);
2656	<	checkCompletedNormally(f, v1);
2657	<	checkCompletedWithWrappedCancellationException(h);
2658	<	}
2659	<	}
2660	<
2661	<	public void testRunAfterEither_sourceCancelled3() {
2662	<	for (ExecutionMode m : ExecutionMode.values())
2663	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2664	<	for (Integer v1 : new Integer[] { 1, null }) {
2665	<
2826	>	for (Integer v1 : new Integer[] { 1, null })
2827	>	{
2828		final CompletableFuture<Integer> f = new CompletableFuture<>();
2829		final CompletableFuture<Integer> g = new CompletableFuture<>();
2830	<	final Noop r = new Noop();
2830	>	final Noop[] rs = new Noop[6];
2831	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2832
2833	<	assertTrue(g.cancel(mayInterruptIfRunning));
2834	<	f.complete(v1);
2835	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2836	<
2837	<	// unspecified behavior
2838	<	Integer v;
2833	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2834	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2835	>	checkIncomplete(h0);
2836	>	checkIncomplete(h1);
2837	>	rs[0].assertNotInvoked();
2838	>	rs[1].assertNotInvoked();
2839	>	f.cancel(mayInterruptIfRunning);
2840	>	checkCompletedWithWrappedCancellationException(h0);
2841	>	checkCompletedWithWrappedCancellationException(h1);
2842	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2843	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2844	>	checkCompletedWithWrappedCancellationException(h2);
2845	>	checkCompletedWithWrappedCancellationException(h3);
2846	>
2847	>	assertTrue(g.complete(v1));
2848	>
2849	>	// unspecified behavior - both source completions available
2850	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2851	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2852		try {
2853	<	assertEquals(h.join(), null);
2854	<	assertEquals(1, r.invocationCount);
2853	>	assertNull(h4.join());
2854	>	rs[4].assertInvoked();
2855		} catch (CompletionException ok) {
2856	<	checkCompletedWithWrappedCancellationException(h);
2857	<	assertEquals(0, r.invocationCount);
2856	>	checkCompletedWithWrappedCancellationException(h4);
2857	>	rs[4].assertNotInvoked();
2858		}
2683	–
2684	–	checkCancelled(g);
2685	–	checkCompletedNormally(f, v1);
2686	–	}
2687	–	}
2688	–
2689	–	public void testRunAfterEither_sourceCancelled4() {
2690	–	for (ExecutionMode m : ExecutionMode.values())
2691	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2692	–	for (Integer v1 : new Integer[] { 1, null }) {
2693	–
2694	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2695	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2696	–	final Noop r = new Noop();
2697	–
2698	–	assertTrue(f.cancel(mayInterruptIfRunning));
2699	–	g.complete(v1);
2700	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2701	–
2702	–	// unspecified behavior
2703	–	Integer v;
2859		try {
2860	<	assertEquals(h.join(), null);
2861	<	assertEquals(1, r.invocationCount);
2860	>	assertNull(h5.join());
2861	>	rs[5].assertInvoked();
2862		} catch (CompletionException ok) {
2863	<	checkCompletedWithWrappedCancellationException(h);
2864	<	assertEquals(0, r.invocationCount);
2863	>	checkCompletedWithWrappedCancellationException(h5);
2864	>	rs[5].assertNotInvoked();
2865		}
2866
2867		checkCancelled(f);
2868		checkCompletedNormally(g, v1);
2869	<	}
2870	<	}
2869	>	checkCompletedWithWrappedCancellationException(h0);
2870	>	checkCompletedWithWrappedCancellationException(h1);
2871	>	checkCompletedWithWrappedCancellationException(h2);
2872	>	checkCompletedWithWrappedCancellationException(h3);
2873	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2874	>	}}
2875
2876		/**
2877	<	* thenCompose result completes normally after normal completion of source
2877	>	* runAfterEither result completes exceptionally if action does
2878		*/
2879	<	public void testThenCompose_normalCompletion1() {
2879	>	public void testRunAfterEither_actionFailed() {
2880		for (ExecutionMode m : ExecutionMode.values())
2881	<	for (Integer v1 : new Integer[] { 1, null }) {
2882	<
2881	>	for (Integer v1 : new Integer[] { 1, null })
2882	>	for (Integer v2 : new Integer[] { 2, null })
2883	>	{
2884		final CompletableFuture<Integer> f = new CompletableFuture<>();
2885	<	final CompletableFutureInc r = new CompletableFutureInc();
2886	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2887	<	f.complete(v1);
2888	<	checkCompletedNormally(g, inc(v1));
2885	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2886	>	final FailingRunnable[] rs = new FailingRunnable[6];
2887	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2888	>
2889	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2890	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2891	>	assertTrue(f.complete(v1));
2892	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2893	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2894	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2895	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2896	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2897	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2898	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2899	>	assertTrue(g.complete(v2));
2900	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2901	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2902	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2903	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2904	>
2905		checkCompletedNormally(f, v1);
2906	<	assertEquals(1, r.invocationCount);
2907	<	}
2908	<	}
2906	>	checkCompletedNormally(g, v2);
2907	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2908	>	}}
2909
2910	<	public void testThenCompose_normalCompletion2() {
2910	>	/**
2911	>	* thenCompose result completes normally after normal completion of source
2912	>	*/
2913	>	public void testThenCompose_normalCompletion() {
2914		for (ExecutionMode m : ExecutionMode.values())
2915	<	for (Integer v1 : new Integer[] { 1, null }) {
2916	<
2915	>	for (boolean createIncomplete : new boolean[] { true, false })
2916	>	for (Integer v1 : new Integer[] { 1, null })
2917	>	{
2918		final CompletableFuture<Integer> f = new CompletableFuture<>();
2919	<	final CompletableFutureInc r = new CompletableFutureInc();
2920	<	f.complete(v1);
2921	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2919	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2920	>	if (!createIncomplete) assertTrue(f.complete(v1));
2921	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2922	>	if (createIncomplete) assertTrue(f.complete(v1));
2923	>
2924		checkCompletedNormally(g, inc(v1));
2925		checkCompletedNormally(f, v1);
2926	<	assertEquals(1, r.invocationCount);
2927	<	}
2746	<	}
2926	>	r.assertValue(v1);
2927	>	}}
2928
2929		/**
2930		* thenCompose result completes exceptionally after exceptional
2931		* completion of source
2932		*/
2933	<	public void testThenCompose_exceptionalCompletion1() {
2934	<	for (ExecutionMode m : ExecutionMode.values()) {
2935	<
2933	>	public void testThenCompose_exceptionalCompletion() {
2934	>	for (ExecutionMode m : ExecutionMode.values())
2935	>	for (boolean createIncomplete : new boolean[] { true, false })
2936	>	{
2937		final CFException ex = new CFException();
2938	<	final CompletableFutureInc r = new CompletableFutureInc();
2938	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2939		final CompletableFuture<Integer> f = new CompletableFuture<>();
2940	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2941	<	f.completeExceptionally(ex);
2942	<	checkCompletedWithWrappedCFException(g, ex);
2761	<	checkCompletedWithWrappedCFException(f, ex);
2762	<	}
2763	<	}
2764	<
2765	<	public void testThenCompose_exceptionalCompletion2() {
2766	<	for (ExecutionMode m : ExecutionMode.values()) {
2940	>	if (!createIncomplete) f.completeExceptionally(ex);
2941	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2942	>	if (createIncomplete) f.completeExceptionally(ex);
2943
2944	<	final CFException ex = new CFException();
2945	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2946	<	f.completeExceptionally(ex);
2947	<	final CompletableFutureInc r = new CompletableFutureInc();
2772	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2773	<	checkCompletedWithWrappedCFException(g, ex);
2774	<	checkCompletedWithWrappedCFException(f, ex);
2775	<	}
2776	<	}
2944	>	checkCompletedWithWrappedException(g, ex);
2945	>	checkCompletedExceptionally(f, ex);
2946	>	r.assertNotInvoked();
2947	>	}}
2948
2949		/**
2950		* thenCompose result completes exceptionally if action does
2951		*/
2952	<	public void testThenCompose_actionFailed1() {
2952	>	public void testThenCompose_actionFailed() {
2953		for (ExecutionMode m : ExecutionMode.values())
2954	<	for (Integer v1 : new Integer[] { 1, null }) {
2955	<
2954	>	for (boolean createIncomplete : new boolean[] { true, false })
2955	>	for (Integer v1 : new Integer[] { 1, null })
2956	>	{
2957		final CompletableFuture<Integer> f = new CompletableFuture<>();
2958		final FailingCompletableFutureFunction r
2959	<	= new FailingCompletableFutureFunction();
2960	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2961	<	f.complete(v1);
2962	<	checkCompletedWithWrappedCFException(g);
2791	<	checkCompletedNormally(f, v1);
2792	<	}
2793	<	}
2794	<
2795	<	public void testThenCompose_actionFailed2() {
2796	<	for (ExecutionMode m : ExecutionMode.values())
2797	<	for (Integer v1 : new Integer[] { 1, null }) {
2959	>	= new FailingCompletableFutureFunction(m);
2960	>	if (!createIncomplete) assertTrue(f.complete(v1));
2961	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2962	>	if (createIncomplete) assertTrue(f.complete(v1));
2963
2964	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2800	<	f.complete(v1);
2801	<	final FailingCompletableFutureFunction r
2802	<	= new FailingCompletableFutureFunction();
2803	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2804	<	checkCompletedWithWrappedCFException(g);
2964	>	checkCompletedWithWrappedException(g, r.ex);
2965		checkCompletedNormally(f, v1);
2966	<	}
2807	<	}
2966	>	}}
2967
2968		/**
2969		* thenCompose result completes exceptionally if source cancelled
2970		*/
2971	<	public void testThenCompose_sourceCancelled1() {
2971	>	public void testThenCompose_sourceCancelled() {
2972		for (ExecutionMode m : ExecutionMode.values())
2973	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2974	<
2973	>	for (boolean createIncomplete : new boolean[] { true, false })
2974	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2975	>	{
2976		final CompletableFuture<Integer> f = new CompletableFuture<>();
2977	<	final CompletableFutureInc r = new CompletableFutureInc();
2978	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2979	<	assertTrue(f.cancel(mayInterruptIfRunning));
2980	<	checkCompletedWithWrappedCancellationException(g);
2981	<	checkCancelled(f);
2977	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2978	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2979	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2980	>	if (createIncomplete) {
2981	>	checkIncomplete(g);
2982	>	assertTrue(f.cancel(mayInterruptIfRunning));
2983		}
2823	–	}
2984
2825	–	public void testThenCompose_sourceCancelled2() {
2826	–	for (ExecutionMode m : ExecutionMode.values())
2827	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2828	–
2829	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2830	–	assertTrue(f.cancel(mayInterruptIfRunning));
2831	–	final CompletableFutureInc r = new CompletableFutureInc();
2832	–	final CompletableFuture<Integer> g = f.thenCompose(r);
2985		checkCompletedWithWrappedCancellationException(g);
2986		checkCancelled(f);
2987	<	}
2836	<	}
2837	<
2838	<	// asyncs
2839	<
2840	<	/**
2841	<	* thenRunAsync result completes normally after normal completion of source
2842	<	*/
2843	<	public void testThenRunAsync() {
2844	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2845	<	Noop r = new Noop();
2846	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2847	<	f.complete(null);
2848	<	checkCompletedNormally(g, null);
2849	<
2850	<	// reordered version
2851	<	f = new CompletableFuture<>();
2852	<	f.complete(null);
2853	<	r = new Noop();
2854	<	g = f.thenRunAsync(r);
2855	<	checkCompletedNormally(g, null);
2856	<	}
2857	<
2858	<	/**
2859	<	* thenRunAsync result completes exceptionally after exceptional
2860	<	* completion of source
2861	<	*/
2862	<	public void testThenRunAsync2() {
2863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2864	<	Noop r = new Noop();
2865	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2866	<	f.completeExceptionally(new CFException());
2867	<	try {
2868	<	g.join();
2869	<	shouldThrow();
2870	<	} catch (CompletionException success) {}
2871	<	checkCompletedWithWrappedCFException(g);
2872	<	}
2873	<
2874	<	/**
2875	<	* thenRunAsync result completes exceptionally if action does
2876	<	*/
2877	<	public void testThenRunAsync3() {
2878	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2879	<	FailingNoop r = new FailingNoop();
2880	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2881	<	f.complete(null);
2882	<	checkCompletedWithWrappedCFException(g);
2883	<	}
2987	>	}}
2988
2989		/**
2990	<	* thenRunAsync result completes exceptionally if source cancelled
2990	>	* thenCompose result completes exceptionally if the result of the action does
2991		*/
2992	<	public void testThenRunAsync4() {
2993	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2994	<	Noop r = new Noop();
2995	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2996	<	assertTrue(f.cancel(true));
2997	<	checkCompletedWithWrappedCancellationException(g);
2998	<	}
2999	<
3000	<	/**
3001	<	* thenApplyAsync result completes normally after normal completion of source
3002	<	*/
3003	<	public void testThenApplyAsync() {
3004	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3005	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3006	<	f.complete(one);
3007	<	checkCompletedNormally(g, two);
3008	<	}
3009	<
3010	<	/**
3011	<	* thenApplyAsync result completes exceptionally after exceptional
3012	<	* completion of source
3013	<	*/
3014	<	public void testThenApplyAsync2() {
3015	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3016	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3017	<	f.completeExceptionally(new CFException());
3018	<	checkCompletedWithWrappedCFException(g);
3019	<	}
3020	<
3021	<	/**
3022	<	* thenApplyAsync result completes exceptionally if action does
3023	<	*/
3024	<	public void testThenApplyAsync3() {
3025	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3026	<	FailingFunction r = new FailingFunction();
3027	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
3028	<	f.complete(null);
3029	<	checkCompletedWithWrappedCFException(g);
3030	<	}
3031	<
3032	<	/**
3033	<	* thenApplyAsync result completes exceptionally if source cancelled
3034	<	*/
2931	<	public void testThenApplyAsync4() {
2932	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2933	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2934	<	assertTrue(f.cancel(true));
2935	<	checkCompletedWithWrappedCancellationException(g);
2936	<	}
2937	<
2938	<	/**
2939	<	* thenAcceptAsync result completes normally after normal
2940	<	* completion of source
2941	<	*/
2942	<	public void testThenAcceptAsync() {
2943	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2944	<	IncAction r = new IncAction();
2945	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2946	<	f.complete(one);
2947	<	checkCompletedNormally(g, null);
2948	<	assertEquals(r.value, (Integer) 2);
2949	<	}
2950	<
2951	<	/**
2952	<	* thenAcceptAsync result completes exceptionally after exceptional
2953	<	* completion of source
2954	<	*/
2955	<	public void testThenAcceptAsync2() {
2956	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2957	<	IncAction r = new IncAction();
2958	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2959	<	f.completeExceptionally(new CFException());
2960	<	checkCompletedWithWrappedCFException(g);
2961	<	}
2962	<
2963	<	/**
2964	<	* thenAcceptAsync result completes exceptionally if action does
2965	<	*/
2966	<	public void testThenAcceptAsync3() {
2967	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2968	<	FailingConsumer r = new FailingConsumer();
2969	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2970	<	f.complete(null);
2971	<	checkCompletedWithWrappedCFException(g);
2972	<	}
2973	<
2974	<	/**
2975	<	* thenAcceptAsync result completes exceptionally if source cancelled
2976	<	*/
2977	<	public void testThenAcceptAsync4() {
2978	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2979	<	IncAction r = new IncAction();
2980	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2981	<	assertTrue(f.cancel(true));
2982	<	checkCompletedWithWrappedCancellationException(g);
2983	<	}
2984	<
2985	<	// async with explicit executors
2986	<
2987	<	/**
2988	<	* thenRunAsync result completes normally after normal completion of source
2989	<	*/
2990	<	public void testThenRunAsyncE() {
2991	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2992	<	Noop r = new Noop();
2993	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2994	<	f.complete(null);
2995	<	checkCompletedNormally(g, null);
2996	<
2997	<	// reordered version
2998	<	f = new CompletableFuture<>();
2999	<	f.complete(null);
3000	<	r = new Noop();
3001	<	g = f.thenRunAsync(r, new ThreadExecutor());
3002	<	checkCompletedNormally(g, null);
3003	<	}
3004	<
3005	<	/**
3006	<	* thenRunAsync result completes exceptionally after exceptional
3007	<	* completion of source
3008	<	*/
3009	<	public void testThenRunAsync2E() {
3010	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3011	<	Noop r = new Noop();
3012	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3013	<	f.completeExceptionally(new CFException());
3014	<	try {
3015	<	g.join();
3016	<	shouldThrow();
3017	<	} catch (CompletionException success) {}
3018	<	checkCompletedWithWrappedCFException(g);
3019	<	}
3020	<
3021	<	/**
3022	<	* thenRunAsync result completes exceptionally if action does
3023	<	*/
3024	<	public void testThenRunAsync3E() {
3025	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3026	<	FailingNoop r = new FailingNoop();
3027	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3028	<	f.complete(null);
3029	<	checkCompletedWithWrappedCFException(g);
3030	<	}
3031	<
3032	<	/**
3033	<	* thenRunAsync result completes exceptionally if source cancelled
3034	<	*/
3035	<	public void testThenRunAsync4E() {
3036	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3037	<	Noop r = new Noop();
3038	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3039	<	assertTrue(f.cancel(true));
3040	<	checkCompletedWithWrappedCancellationException(g);
3041	<	}
3042	<
3043	<	/**
3044	<	* thenApplyAsync result completes normally after normal completion of source
3045	<	*/
3046	<	public void testThenApplyAsyncE() {
3047	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3048	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3049	<	f.complete(one);
3050	<	checkCompletedNormally(g, two);
3051	<	}
3052	<
3053	<	/**
3054	<	* thenApplyAsync result completes exceptionally after exceptional
3055	<	* completion of source
3056	<	*/
3057	<	public void testThenApplyAsync2E() {
3058	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3059	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3060	<	f.completeExceptionally(new CFException());
3061	<	checkCompletedWithWrappedCFException(g);
3062	<	}
3063	<
3064	<	/**
3065	<	* thenApplyAsync result completes exceptionally if action does
3066	<	*/
3067	<	public void testThenApplyAsync3E() {
3068	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3069	<	FailingFunction r = new FailingFunction();
3070	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3071	<	f.complete(null);
3072	<	checkCompletedWithWrappedCFException(g);
3073	<	}
3074	<
3075	<	/**
3076	<	* thenApplyAsync result completes exceptionally if source cancelled
3077	<	*/
3078	<	public void testThenApplyAsync4E() {
3079	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3080	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3081	<	assertTrue(f.cancel(true));
3082	<	checkCompletedWithWrappedCancellationException(g);
3083	<	}
3084	<
3085	<	/**
3086	<	* thenAcceptAsync result completes normally after normal
3087	<	* completion of source
3088	<	*/
3089	<	public void testThenAcceptAsyncE() {
3090	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3091	<	IncAction r = new IncAction();
3092	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3093	<	f.complete(one);
3094	<	checkCompletedNormally(g, null);
3095	<	assertEquals(r.value, (Integer) 2);
3096	<	}
3097	<
3098	<	/**
3099	<	* thenAcceptAsync result completes exceptionally after exceptional
3100	<	* completion of source
3101	<	*/
3102	<	public void testThenAcceptAsync2E() {
3103	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3104	<	IncAction r = new IncAction();
3105	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3106	<	f.completeExceptionally(new CFException());
3107	<	checkCompletedWithWrappedCFException(g);
3108	<	}
3109	<
3110	<	/**
3111	<	* thenAcceptAsync result completes exceptionally if action does
3112	<	*/
3113	<	public void testThenAcceptAsync3E() {
3114	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3115	<	FailingConsumer r = new FailingConsumer();
3116	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3117	<	f.complete(null);
3118	<	checkCompletedWithWrappedCFException(g);
3119	<	}
2992	>	public void testThenCompose_actionReturnsFailingFuture() {
2993	>	for (ExecutionMode m : ExecutionMode.values())
2994	>	for (int order = 0; order < 6; order++)
2995	>	for (Integer v1 : new Integer[] { 1, null })
2996	>	{
2997	>	final CFException ex = new CFException();
2998	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2999	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3000	>	final CompletableFuture<Integer> h;
3001	>	// Test all permutations of orders
3002	>	switch (order) {
3003	>	case 0:
3004	>	assertTrue(f.complete(v1));
3005	>	assertTrue(g.completeExceptionally(ex));
3006	>	h = m.thenCompose(f, (x -> g));
3007	>	break;
3008	>	case 1:
3009	>	assertTrue(f.complete(v1));
3010	>	h = m.thenCompose(f, (x -> g));
3011	>	assertTrue(g.completeExceptionally(ex));
3012	>	break;
3013	>	case 2:
3014	>	assertTrue(g.completeExceptionally(ex));
3015	>	assertTrue(f.complete(v1));
3016	>	h = m.thenCompose(f, (x -> g));
3017	>	break;
3018	>	case 3:
3019	>	assertTrue(g.completeExceptionally(ex));
3020	>	h = m.thenCompose(f, (x -> g));
3021	>	assertTrue(f.complete(v1));
3022	>	break;
3023	>	case 4:
3024	>	h = m.thenCompose(f, (x -> g));
3025	>	assertTrue(f.complete(v1));
3026	>	assertTrue(g.completeExceptionally(ex));
3027	>	break;
3028	>	case 5:
3029	>	h = m.thenCompose(f, (x -> g));
3030	>	assertTrue(f.complete(v1));
3031	>	assertTrue(g.completeExceptionally(ex));
3032	>	break;
3033	>	default: throw new AssertionError();
3034	>	}
3035
3036	<	/**
3037	<	* thenAcceptAsync result completes exceptionally if source cancelled
3038	<	*/
3039	<	public void testThenAcceptAsync4E() {
3125	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3126	<	IncAction r = new IncAction();
3127	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3128	<	assertTrue(f.cancel(true));
3129	<	checkCompletedWithWrappedCancellationException(g);
3130	<	}
3036	>	checkCompletedExceptionally(g, ex);
3037	>	checkCompletedWithWrappedException(h, ex);
3038	>	checkCompletedNormally(f, v1);
3039	>	}}
3040
3041		// other static methods
3042
#	Line 3145 | Line 3054 | public class CompletableFutureTest exten
3054		* when all components complete normally
3055		*/
3056		public void testAllOf_normal() throws Exception {
3057	<	for (int k = 1; k < 20; ++k) {
3058	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3059	<	for (int i = 0; i < k; ++i)
3057	>	for (int k = 1; k < 10; k++) {
3058	>	CompletableFuture<Integer>[] fs
3059	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3060	>	for (int i = 0; i < k; i++)
3061		fs[i] = new CompletableFuture<>();
3062		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3063	<	for (int i = 0; i < k; ++i) {
3063	>	for (int i = 0; i < k; i++) {
3064		checkIncomplete(f);
3065		checkIncomplete(CompletableFuture.allOf(fs));
3066		fs[i].complete(one);
#	Line 3160 | Line 3070 | public class CompletableFutureTest exten
3070		}
3071		}
3072
3073	+	public void testAllOf_normal_backwards() throws Exception {
3074	+	for (int k = 1; k < 10; k++) {
3075	+	CompletableFuture<Integer>[] fs
3076	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3077	+	for (int i = 0; i < k; i++)
3078	+	fs[i] = new CompletableFuture<>();
3079	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3080	+	for (int i = k - 1; i >= 0; i--) {
3081	+	checkIncomplete(f);
3082	+	checkIncomplete(CompletableFuture.allOf(fs));
3083	+	fs[i].complete(one);
3084	+	}
3085	+	checkCompletedNormally(f, null);
3086	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3087	+	}
3088	+	}
3089	+
3090	+	public void testAllOf_exceptional() throws Exception {
3091	+	for (int k = 1; k < 10; k++) {
3092	+	CompletableFuture<Integer>[] fs
3093	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3094	+	CFException ex = new CFException();
3095	+	for (int i = 0; i < k; i++)
3096	+	fs[i] = new CompletableFuture<>();
3097	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3098	+	for (int i = 0; i < k; i++) {
3099	+	checkIncomplete(f);
3100	+	checkIncomplete(CompletableFuture.allOf(fs));
3101	+	if (i != k / 2) {
3102	+	fs[i].complete(i);
3103	+	checkCompletedNormally(fs[i], i);
3104	+	} else {
3105	+	fs[i].completeExceptionally(ex);
3106	+	checkCompletedExceptionally(fs[i], ex);
3107	+	}
3108	+	}
3109	+	checkCompletedWithWrappedException(f, ex);
3110	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3111	+	}
3112	+	}
3113	+
3114		/**
3115		* anyOf(no component futures) returns an incomplete future
3116		*/
3117		public void testAnyOf_empty() throws Exception {
3118	+	for (Integer v1 : new Integer[] { 1, null })
3119	+	{
3120		CompletableFuture<Object> f = CompletableFuture.anyOf();
3121		checkIncomplete(f);
3122	<	}
3122	>
3123	>	f.complete(v1);
3124	>	checkCompletedNormally(f, v1);
3125	>	}}
3126
3127		/**
3128		* anyOf returns a future completed normally with a value when
3129		* a component future does
3130		*/
3131		public void testAnyOf_normal() throws Exception {
3132	<	for (int k = 0; k < 10; ++k) {
3132	>	for (int k = 0; k < 10; k++) {
3133		CompletableFuture[] fs = new CompletableFuture[k];
3134	<	for (int i = 0; i < k; ++i)
3134	>	for (int i = 0; i < k; i++)
3135		fs[i] = new CompletableFuture<>();
3136		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3137		checkIncomplete(f);
3138	<	for (int i = 0; i < k; ++i) {
3139	<	fs[i].complete(one);
3140	<	checkCompletedNormally(f, one);
3141	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3138	>	for (int i = 0; i < k; i++) {
3139	>	fs[i].complete(i);
3140	>	checkCompletedNormally(f, 0);
3141	>	int x = (int) CompletableFuture.anyOf(fs).join();
3142	>	assertTrue(0 <= x && x <= i);
3143	>	}
3144	>	}
3145	>	}
3146	>	public void testAnyOf_normal_backwards() throws Exception {
3147	>	for (int k = 0; k < 10; k++) {
3148	>	CompletableFuture[] fs = new CompletableFuture[k];
3149	>	for (int i = 0; i < k; i++)
3150	>	fs[i] = new CompletableFuture<>();
3151	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3152	>	checkIncomplete(f);
3153	>	for (int i = k - 1; i >= 0; i--) {
3154	>	fs[i].complete(i);
3155	>	checkCompletedNormally(f, k - 1);
3156	>	int x = (int) CompletableFuture.anyOf(fs).join();
3157	>	assertTrue(i <= x && x <= k - 1);
3158		}
3159		}
3160		}
#	Line 3191 | Line 3163 | public class CompletableFutureTest exten
3163		* anyOf result completes exceptionally when any component does.
3164		*/
3165		public void testAnyOf_exceptional() throws Exception {
3166	<	for (int k = 0; k < 10; ++k) {
3166	>	for (int k = 0; k < 10; k++) {
3167	>	CompletableFuture[] fs = new CompletableFuture[k];
3168	>	CFException[] exs = new CFException[k];
3169	>	for (int i = 0; i < k; i++) {
3170	>	fs[i] = new CompletableFuture<>();
3171	>	exs[i] = new CFException();
3172	>	}
3173	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3174	>	checkIncomplete(f);
3175	>	for (int i = 0; i < k; i++) {
3176	>	fs[i].completeExceptionally(exs[i]);
3177	>	checkCompletedWithWrappedException(f, exs[0]);
3178	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3179	>	}
3180	>	}
3181	>	}
3182	>
3183	>	public void testAnyOf_exceptional_backwards() throws Exception {
3184	>	for (int k = 0; k < 10; k++) {
3185		CompletableFuture[] fs = new CompletableFuture[k];
3186	<	for (int i = 0; i < k; ++i)
3186	>	CFException[] exs = new CFException[k];
3187	>	for (int i = 0; i < k; i++) {
3188		fs[i] = new CompletableFuture<>();
3189	+	exs[i] = new CFException();
3190	+	}
3191		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3192		checkIncomplete(f);
3193	<	for (int i = 0; i < k; ++i) {
3194	<	fs[i].completeExceptionally(new CFException());
3195	<	checkCompletedWithWrappedCFException(f);
3193	>	for (int i = k - 1; i >= 0; i--) {
3194	>	fs[i].completeExceptionally(exs[i]);
3195	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3196		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3197		}
3198		}
#	Line 3212 | Line 3205 | public class CompletableFutureTest exten
3205		CompletableFuture<Integer> f = new CompletableFuture<>();
3206		CompletableFuture<Integer> g = new CompletableFuture<>();
3207		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3215	–	CompletableFuture<?> h;
3208		ThreadExecutor exec = new ThreadExecutor();
3209
3210		Runnable[] throwingActions = {
3211		() -> CompletableFuture.supplyAsync(null),
3212		() -> CompletableFuture.supplyAsync(null, exec),
3213	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3213	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3214
3215		() -> CompletableFuture.runAsync(null),
3216		() -> CompletableFuture.runAsync(null, exec),
#	Line 3291 | Line 3283 | public class CompletableFutureTest exten
3283
3284		() -> f.thenCompose(null),
3285		() -> f.thenComposeAsync(null),
3286	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3286	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3287		() -> f.thenComposeAsync(null, exec),
3288
3289		() -> f.exceptionally(null),
#	Line 3309 | Line 3301 | public class CompletableFutureTest exten
3301		() -> CompletableFuture.anyOf(null, f),
3302
3303		() -> f.obtrudeException(null),
3304	+
3305	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3306	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3307	+	() -> CompletableFuture.delayedExecutor(1L, null),
3308	+
3309	+	() -> f.orTimeout(1L, null),
3310	+	() -> f.completeOnTimeout(42, 1L, null),
3311	+
3312	+	() -> CompletableFuture.failedFuture(null),
3313	+	() -> CompletableFuture.failedStage(null),
3314		};
3315
3316		assertThrows(NullPointerException.class, throwingActions);
#	Line 3316 | Line 3318 | public class CompletableFutureTest exten
3318		}
3319
3320		/**
3321	+	* Test submissions to an executor that rejects all tasks.
3322	+	*/
3323	+	public void testRejectingExecutor() {
3324	+	final RejectedExecutionException ex = new RejectedExecutionException();
3325	+	final Executor e = (Runnable r) -> { throw ex; };
3326	+
3327	+	for (Integer v : new Integer[] { 1, null }) {
3328	+
3329	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3330	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3331	+
3332	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3333	+
3334	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3335	+	srcs.add(complete);
3336	+	srcs.add(incomplete);
3337	+
3338	+	for (CompletableFuture<Integer> src : srcs) {
3339	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3340	+	fs.add(src.thenRunAsync(() -> {}, e));
3341	+	fs.add(src.thenAcceptAsync((z) -> {}, e));
3342	+	fs.add(src.thenApplyAsync((z) -> z, e));
3343	+
3344	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3345	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3346	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3347	+
3348	+	fs.add(src.applyToEitherAsync(src, (z) -> z, e));
3349	+	fs.add(src.acceptEitherAsync(src, (z) -> {}, e));
3350	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3351	+
3352	+	fs.add(src.thenComposeAsync((z) -> null, e));
3353	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3354	+	fs.add(src.handleAsync((z, t) -> null, e));
3355	+
3356	+	for (CompletableFuture<?> future : fs) {
3357	+	if (src.isDone())
3358	+	checkCompletedWithWrappedException(future, ex);
3359	+	else
3360	+	checkIncomplete(future);
3361	+	}
3362	+	futures.addAll(fs);
3363	+	}
3364	+
3365	+	{
3366	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3367	+
3368	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3369	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3370	+
3371	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3372	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3373	+
3374	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3375	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3376	+
3377	+	for (CompletableFuture<?> future : fs)
3378	+	checkIncomplete(future);
3379	+	futures.addAll(fs);
3380	+	}
3381	+
3382	+	{
3383	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3384	+
3385	+	fs.add(complete.applyToEitherAsync(incomplete, (z) -> z, e));
3386	+	fs.add(incomplete.applyToEitherAsync(complete, (z) -> z, e));
3387	+
3388	+	fs.add(complete.acceptEitherAsync(incomplete, (z) -> {}, e));
3389	+	fs.add(incomplete.acceptEitherAsync(complete, (z) -> {}, e));
3390	+
3391	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3392	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3393	+
3394	+	for (CompletableFuture<?> future : fs)
3395	+	checkCompletedWithWrappedException(future, ex);
3396	+	futures.addAll(fs);
3397	+	}
3398	+
3399	+	incomplete.complete(v);
3400	+
3401	+	for (CompletableFuture<?> future : futures)
3402	+	checkCompletedWithWrappedException(future, ex);
3403	+	}
3404	+	}
3405	+
3406	+	/**
3407		* toCompletableFuture returns this CompletableFuture.
3408		*/
3409		public void testToCompletableFuture() {
#	Line 3323 | Line 3411 | public class CompletableFutureTest exten
3411		assertSame(f, f.toCompletableFuture());
3412		}
3413
3414	+	// jdk9
3415	+
3416		/**
3417	<	* whenComplete action executes on normal completion, propagating
3328	<	* source result.
3417	>	* newIncompleteFuture returns an incomplete CompletableFuture
3418		*/
3419	<	public void testWhenComplete_normalCompletion1() {
3420	<	for (boolean createIncomplete : new boolean[] { true, false })
3421	<	for (ExecutionMode m : ExecutionMode.values())
3422	<	for (Integer v1 : new Integer[] { 1, null }) {
3423	<
3424	<	final AtomicInteger a = new AtomicInteger();
3425	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3426	<	if (!createIncomplete) f.complete(v1);
3338	<	final CompletableFuture<Integer> g =
3339	<	m.whenComplete(f,
3340	<	(Integer x, Throwable t) -> {
3341	<	threadAssertSame(x, v1);
3342	<	threadAssertNull(t);
3343	<	a.getAndIncrement();
3344	<	});
3345	<	if (createIncomplete) f.complete(v1);
3419	>	public void testNewIncompleteFuture() {
3420	>	for (Integer v1 : new Integer[] { 1, null })
3421	>	{
3422	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3423	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3424	>	checkIncomplete(f);
3425	>	checkIncomplete(g);
3426	>	f.complete(v1);
3427		checkCompletedNormally(f, v1);
3428	+	checkIncomplete(g);
3429	+	g.complete(v1);
3430		checkCompletedNormally(g, v1);
3431	<	assertEquals(a.get(), 1);
3432	<	}
3431	>	assertSame(g.getClass(), CompletableFuture.class);
3432	>	}}
3433	>
3434	>	/**
3435	>	* completedStage returns a completed CompletionStage
3436	>	*/
3437	>	public void testCompletedStage() {
3438	>	AtomicInteger x = new AtomicInteger(0);
3439	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3440	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3441	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3442	>	assertEquals(x.get(), 1);
3443	>	assertNull(r.get());
3444		}
3445
3446		/**
3447	<	* whenComplete action executes on exceptional completion, propagating
3448	<	* source result.
3447	>	* defaultExecutor by default returns the commonPool if
3448	>	* it supports more than one thread.
3449		*/
3450	<	public void testWhenComplete_exceptionalCompletion() {
3451	<	for (boolean createIncomplete : new boolean[] { true, false })
3452	<	for (ExecutionMode m : ExecutionMode.values())
3453	<	for (Integer v1 : new Integer[] { 1, null }) {
3450	>	public void testDefaultExecutor() {
3451	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3452	>	Executor e = f.defaultExecutor();
3453	>	Executor c = ForkJoinPool.commonPool();
3454	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3455	>	assertSame(e, c);
3456	>	else
3457	>	assertNotSame(e, c);
3458	>	}
3459
3460	<	final AtomicInteger a = new AtomicInteger();
3461	<	final CFException ex = new CFException();
3462	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3463	<	if (!createIncomplete) f.completeExceptionally(ex);
3464	<	final CompletableFuture<Integer> g = m.whenComplete
3465	<	(f,
3466	<	(Integer x, Throwable t) -> {
3467	<	threadAssertNull(x);
3369	<	threadAssertSame(t, ex);
3370	<	a.getAndIncrement();
3371	<	});
3372	<	if (createIncomplete) f.completeExceptionally(ex);
3373	<	checkCompletedWithWrappedCFException(f, ex);
3374	<	checkCompletedWithWrappedCFException(g, ex);
3375	<	assertEquals(a.get(), 1);
3376	<	}
3460	>	/**
3461	>	* failedFuture returns a CompletableFuture completed
3462	>	* exceptionally with the given Exception
3463	>	*/
3464	>	public void testFailedFuture() {
3465	>	CFException ex = new CFException();
3466	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3467	>	checkCompletedExceptionally(f, ex);
3468		}
3469
3470		/**
3471	<	* If a whenComplete action throws an exception when triggered by
3381	<	* a normal completion, it completes exceptionally
3471	>	* failedFuture(null) throws NPE
3472		*/
3473	<	public void testWhenComplete_actionFailed() {
3474	<	for (boolean createIncomplete : new boolean[] { true, false })
3475	<	for (ExecutionMode m : ExecutionMode.values())
3476	<	for (Integer v1 : new Integer[] { 1, null }) {
3473	>	public void testFailedFuture_null() {
3474	>	try {
3475	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3476	>	shouldThrow();
3477	>	} catch (NullPointerException success) {}
3478	>	}
3479
3480	<	final CFException ex = new CFException();
3481	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3482	<	if (!createIncomplete) f.complete(v1);
3483	<	final CompletableFuture<Integer> g = m.whenComplete
3484	<	(f,
3485	<	(Integer x, Throwable t) -> {
3486	<	threadAssertSame(x, v1);
3487	<	threadAssertNull(t);
3488	<	throw ex;
3489	<	});
3490	<	if (createIncomplete) f.complete(v1);
3491	<	checkCompletedNormally(f, v1);
3400	<	checkCompletedWithWrappedCFException(g, ex);
3401	<	}
3480	>	/**
3481	>	* copy returns a CompletableFuture that is completed normally,
3482	>	* with the same value, when source is.
3483	>	*/
3484	>	public void testCopy() {
3485	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3486	>	CompletableFuture<Integer> g = f.copy();
3487	>	checkIncomplete(f);
3488	>	checkIncomplete(g);
3489	>	f.complete(1);
3490	>	checkCompletedNormally(f, 1);
3491	>	checkCompletedNormally(g, 1);
3492		}
3493
3494		/**
3495	<	* If a whenComplete action throws an exception when triggered by
3496	<	* a source completion that also throws an exception, the source
3407	<	* exception takes precedence.
3495	>	* copy returns a CompletableFuture that is completed exceptionally
3496	>	* when source is.
3497		*/
3498	<	public void testWhenComplete_actionFailedSourceFailed() {
3499	<	for (boolean createIncomplete : new boolean[] { true, false })
3500	<	for (ExecutionMode m : ExecutionMode.values())
3501	<	for (Integer v1 : new Integer[] { 1, null }) {
3498	>	public void testCopy2() {
3499	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3500	>	CompletableFuture<Integer> g = f.copy();
3501	>	checkIncomplete(f);
3502	>	checkIncomplete(g);
3503	>	CFException ex = new CFException();
3504	>	f.completeExceptionally(ex);
3505	>	checkCompletedExceptionally(f, ex);
3506	>	checkCompletedWithWrappedException(g, ex);
3507	>	}
3508
3509	<	final CFException ex1 = new CFException();
3510	<	final CFException ex2 = new CFException();
3511	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3509	>	/**
3510	>	* minimalCompletionStage returns a CompletableFuture that is
3511	>	* completed normally, with the same value, when source is.
3512	>	*/
3513	>	public void testMinimalCompletionStage() {
3514	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3515	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3516	>	AtomicInteger x = new AtomicInteger(0);
3517	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3518	>	checkIncomplete(f);
3519	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3520	>	f.complete(1);
3521	>	checkCompletedNormally(f, 1);
3522	>	assertEquals(x.get(), 1);
3523	>	assertNull(r.get());
3524	>	}
3525
3526	<	if (!createIncomplete) f.completeExceptionally(ex1);
3527	<	final CompletableFuture<Integer> g = m.whenComplete
3528	<	(f,
3529	<	(Integer x, Throwable t) -> {
3530	<	threadAssertSame(t, ex1);
3531	<	threadAssertNull(x);
3532	<	throw ex2;
3533	<	});
3534	<	if (createIncomplete) f.completeExceptionally(ex1);
3526	>	/**
3527	>	* minimalCompletionStage returns a CompletableFuture that is
3528	>	* completed exceptionally when source is.
3529	>	*/
3530	>	public void testMinimalCompletionStage2() {
3531	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3532	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3533	>	AtomicInteger x = new AtomicInteger(0);
3534	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3535	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3536	>	checkIncomplete(f);
3537	>	CFException ex = new CFException();
3538	>	f.completeExceptionally(ex);
3539	>	checkCompletedExceptionally(f, ex);
3540	>	assertEquals(x.get(), 0);
3541	>	assertEquals(r.get().getCause(), ex);
3542	>	}
3543
3544	<	checkCompletedWithWrappedCFException(f, ex1);
3545	<	checkCompletedWithWrappedCFException(g, ex1);
3546	<	}
3544	>	/**
3545	>	* failedStage returns a CompletionStage completed
3546	>	* exceptionally with the given Exception
3547	>	*/
3548	>	public void testFailedStage() {
3549	>	CFException ex = new CFException();
3550	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3551	>	AtomicInteger x = new AtomicInteger(0);
3552	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3553	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3554	>	assertEquals(x.get(), 0);
3555	>	assertEquals(r.get(), ex);
3556		}
3557
3558		/**
3559	<	* handleAsync action completes normally with function value on
3435	<	* either normal or exceptional completion of source
3559	>	* completeAsync completes with value of given supplier
3560		*/
3561	<	public void testHandleAsync() {
3562	<	CompletableFuture<Integer> f, g;
3563	<	IntegerHandler r;
3561	>	public void testCompleteAsync() {
3562	>	for (Integer v1 : new Integer[] { 1, null })
3563	>	{
3564	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3565	>	f.completeAsync(() -> v1);
3566	>	f.join();
3567	>	checkCompletedNormally(f, v1);
3568	>	}}
3569
3570	<	f = new CompletableFuture<>();
3571	<	g = f.handleAsync(r = new IntegerHandler());
3572	<	assertEquals(0, r.invocationCount);
3573	<	f.completeExceptionally(new CFException());
3574	<	checkCompletedWithWrappedCFException(f);
3575	<	checkCompletedNormally(g, three);
3576	<	assertEquals(1, r.invocationCount);
3570	>	/**
3571	>	* completeAsync completes exceptionally if given supplier throws
3572	>	*/
3573	>	public void testCompleteAsync2() {
3574	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3575	>	CFException ex = new CFException();
3576	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3577	>	try {
3578	>	f.join();
3579	>	shouldThrow();
3580	>	} catch (CompletionException success) {}
3581	>	checkCompletedWithWrappedException(f, ex);
3582	>	}
3583
3584	<	f = new CompletableFuture<>();
3585	<	g = f.handleAsync(r = new IntegerHandler());
3586	<	assertEquals(0, r.invocationCount);
3587	<	f.completeExceptionally(new CFException());
3588	<	checkCompletedWithWrappedCFException(f);
3589	<	checkCompletedNormally(g, three);
3590	<	assertEquals(1, r.invocationCount);
3584	>	/**
3585	>	* completeAsync with given executor completes with value of given supplier
3586	>	*/
3587	>	public void testCompleteAsync3() {
3588	>	for (Integer v1 : new Integer[] { 1, null })
3589	>	{
3590	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3591	>	ThreadExecutor executor = new ThreadExecutor();
3592	>	f.completeAsync(() -> v1, executor);
3593	>	assertSame(v1, f.join());
3594	>	checkCompletedNormally(f, v1);
3595	>	assertEquals(1, executor.count.get());
3596	>	}}
3597
3598	<	f = new CompletableFuture<>();
3599	<	g = f.handleAsync(r = new IntegerHandler());
3600	<	assertEquals(0, r.invocationCount);
3601	<	f.complete(one);
3602	<	checkCompletedNormally(f, one);
3603	<	checkCompletedNormally(g, two);
3604	<	assertEquals(1, r.invocationCount);
3598	>	/**
3599	>	* completeAsync with given executor completes exceptionally if
3600	>	* given supplier throws
3601	>	*/
3602	>	public void testCompleteAsync4() {
3603	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3604	>	CFException ex = new CFException();
3605	>	ThreadExecutor executor = new ThreadExecutor();
3606	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3607	>	try {
3608	>	f.join();
3609	>	shouldThrow();
3610	>	} catch (CompletionException success) {}
3611	>	checkCompletedWithWrappedException(f, ex);
3612	>	assertEquals(1, executor.count.get());
3613	>	}
3614
3615	<	f = new CompletableFuture<>();
3616	<	g = f.handleAsync(r = new IntegerHandler());
3617	<	assertEquals(0, r.invocationCount);
3618	<	f.complete(one);
3619	<	checkCompletedNormally(f, one);
3620	<	checkCompletedNormally(g, two);
3621	<	assertEquals(1, r.invocationCount);
3615	>	/**
3616	>	* orTimeout completes with TimeoutException if not complete
3617	>	*/
3618	>	public void testOrTimeout_timesOut() {
3619	>	long timeoutMillis = timeoutMillis();
3620	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3621	>	long startTime = System.nanoTime();
3622	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3623	>	checkCompletedWithTimeoutException(f);
3624	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3625		}
3626
3627		/**
3628	<	* handleAsync action with Executor completes normally with
3476	<	* function value on either normal or exceptional completion of
3477	<	* source
3628	>	* orTimeout completes normally if completed before timeout
3629		*/
3630	<	public void testHandleAsync2() {
3631	<	CompletableFuture<Integer> f, g;
3632	<	ThreadExecutor exec = new ThreadExecutor();
3633	<	IntegerHandler r;
3630	>	public void testOrTimeout_completed() {
3631	>	for (Integer v1 : new Integer[] { 1, null })
3632	>	{
3633	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3634	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3635	>	long startTime = System.nanoTime();
3636	>	f.complete(v1);
3637	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3638	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3639	>	g.complete(v1);
3640	>	checkCompletedNormally(f, v1);
3641	>	checkCompletedNormally(g, v1);
3642	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3643	>	}}
3644
3645	<	f = new CompletableFuture<>();
3646	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3647	<	assertEquals(0, r.invocationCount);
3648	<	f.completeExceptionally(new CFException());
3649	<	checkCompletedWithWrappedCFException(f);
3650	<	checkCompletedNormally(g, three);
3651	<	assertEquals(1, r.invocationCount);
3645	>	/**
3646	>	* completeOnTimeout completes with given value if not complete
3647	>	*/
3648	>	public void testCompleteOnTimeout_timesOut() {
3649	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3650	>	() -> testCompleteOnTimeout_timesOut(null));
3651	>	}
3652
3653	<	f = new CompletableFuture<>();
3654	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3655	<	assertEquals(0, r.invocationCount);
3656	<	f.completeExceptionally(new CFException());
3657	<	checkCompletedWithWrappedCFException(f);
3658	<	checkCompletedNormally(g, three);
3659	<	assertEquals(1, r.invocationCount);
3653	>	/**
3654	>	* completeOnTimeout completes with given value if not complete
3655	>	*/
3656	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3657	>	long timeoutMillis = timeoutMillis();
3658	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3659	>	long startTime = System.nanoTime();
3660	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3661	>	assertSame(v, f.join());
3662	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3663	>	f.complete(99);         // should have no effect
3664	>	checkCompletedNormally(f, v);
3665	>	}
3666
3667	<	f = new CompletableFuture<>();
3668	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3669	<	assertEquals(0, r.invocationCount);
3670	<	f.complete(one);
3671	<	checkCompletedNormally(f, one);
3672	<	checkCompletedNormally(g, two);
3673	<	assertEquals(1, r.invocationCount);
3667	>	/**
3668	>	* completeOnTimeout has no effect if completed within timeout
3669	>	*/
3670	>	public void testCompleteOnTimeout_completed() {
3671	>	for (Integer v1 : new Integer[] { 1, null })
3672	>	{
3673	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3674	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3675	>	long startTime = System.nanoTime();
3676	>	f.complete(v1);
3677	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3678	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3679	>	g.complete(v1);
3680	>	checkCompletedNormally(f, v1);
3681	>	checkCompletedNormally(g, v1);
3682	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3683	>	}}
3684
3685	<	f = new CompletableFuture<>();
3686	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3687	<	assertEquals(0, r.invocationCount);
3688	<	f.complete(one);
3689	<	checkCompletedNormally(f, one);
3690	<	checkCompletedNormally(g, two);
3691	<	assertEquals(1, r.invocationCount);
3685	>	/**
3686	>	* delayedExecutor returns an executor that delays submission
3687	>	*/
3688	>	public void testDelayedExecutor() {
3689	>	testInParallel(() -> testDelayedExecutor(null, null),
3690	>	() -> testDelayedExecutor(null, 1),
3691	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3692	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3693	>	}
3694	>
3695	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3696	>	long timeoutMillis = timeoutMillis();
3697	>	// Use an "unreasonably long" long timeout to catch lingering threads
3698	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3699	>	final Executor delayer, longDelayer;
3700	>	if (executor == null) {
3701	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3702	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3703	>	} else {
3704	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3705	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3706	>	}
3707	>	long startTime = System.nanoTime();
3708	>	CompletableFuture<Integer> f =
3709	>	CompletableFuture.supplyAsync(() -> v, delayer);
3710	>	CompletableFuture<Integer> g =
3711	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3712	>
3713	>	assertNull(g.getNow(null));
3714	>
3715	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3716	>	long millisElapsed = millisElapsedSince(startTime);
3717	>	assertTrue(millisElapsed >= timeoutMillis);
3718	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3719	>
3720	>	checkCompletedNormally(f, v);
3721	>
3722	>	checkIncomplete(g);
3723	>	assertTrue(g.cancel(true));
3724	>	}
3725	>
3726	>	//--- tests of implementation details; not part of official tck ---
3727	>
3728	>	Object resultOf(CompletableFuture<?> f) {
3729	>	SecurityManager sm = System.getSecurityManager();
3730	>	if (sm != null) {
3731	>	try {
3732	>	System.setSecurityManager(null);
3733	>	} catch (SecurityException giveUp) {
3734	>	return "Reflection not available";
3735	>	}
3736	>	}
3737	>
3738	>	try {
3739	>	java.lang.reflect.Field resultField
3740	>	= CompletableFuture.class.getDeclaredField("result");
3741	>	resultField.setAccessible(true);
3742	>	return resultField.get(f);
3743	>	} catch (Throwable t) {
3744	>	throw new AssertionError(t);
3745	>	} finally {
3746	>	if (sm != null) System.setSecurityManager(sm);
3747	>	}
3748	>	}
3749	>
3750	>	public void testExceptionPropagationReusesResultObject() {
3751	>	if (!testImplementationDetails) return;
3752	>	for (ExecutionMode m : ExecutionMode.values())
3753	>	{
3754	>	final CFException ex = new CFException();
3755	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3756	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3757	>
3758	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3759	>	= new ArrayList<>();
3760	>
3761	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3762	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3763	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3764	>
3765	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3766	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3767	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3768	>
3769	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3770	>	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3771	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3772	>	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3773	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3774	>	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3775	>
3776	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3777	>
3778	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3779	>
3780	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3781	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3782	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3783	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3784	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3785	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3786	>
3787	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3788	>	fun : funs) {
3789	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3790	>	f.completeExceptionally(ex);
3791	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3792	>	checkCompletedWithWrappedException(src, ex);
3793	>	CompletableFuture<?> dep = fun.apply(src);
3794	>	checkCompletedWithWrappedException(dep, ex);
3795	>	assertSame(resultOf(src), resultOf(dep));
3796	>	}
3797	>
3798	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3799	>	fun : funs) {
3800	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3801	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3802	>	CompletableFuture<?> dep = fun.apply(src);
3803	>	f.completeExceptionally(ex);
3804	>	checkCompletedWithWrappedException(src, ex);
3805	>	checkCompletedWithWrappedException(dep, ex);
3806	>	assertSame(resultOf(src), resultOf(dep));
3807	>	}
3808	>
3809	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3810	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3811	>	fun : funs) {
3812	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3813	>	f.cancel(mayInterruptIfRunning);
3814	>	checkCancelled(f);
3815	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3816	>	checkCompletedWithWrappedCancellationException(src);
3817	>	CompletableFuture<?> dep = fun.apply(src);
3818	>	checkCompletedWithWrappedCancellationException(dep);
3819	>	assertSame(resultOf(src), resultOf(dep));
3820	>	}
3821	>
3822	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3823	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3824	>	fun : funs) {
3825	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3826	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3827	>	CompletableFuture<?> dep = fun.apply(src);
3828	>	f.cancel(mayInterruptIfRunning);
3829	>	checkCancelled(f);
3830	>	checkCompletedWithWrappedCancellationException(src);
3831	>	checkCompletedWithWrappedCancellationException(dep);
3832	>	assertSame(resultOf(src), resultOf(dep));
3833	>	}
3834	>	}}
3835	>
3836	>	/**
3837	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3838	>	*/
3839	>	public void testMinimalCompletionStage_minimality() {
3840	>	if (!testImplementationDetails) return;
3841	>	Function<Method, String> toSignature =
3842	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3843	>	Predicate<Method> isNotStatic =
3844	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3845	>	List<Method> minimalMethods =
3846	>	Stream.of(Object.class, CompletionStage.class)
3847	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3848	>	.filter(isNotStatic)
3849	>	.collect(Collectors.toList());
3850	>	// Methods from CompletableFuture permitted NOT to throw UOE
3851	>	String[] signatureWhitelist = {
3852	>	"newIncompleteFuture[]",
3853	>	"defaultExecutor[]",
3854	>	"minimalCompletionStage[]",
3855	>	"copy[]",
3856	>	};
3857	>	Set<String> permittedMethodSignatures =
3858	>	Stream.concat(minimalMethods.stream().map(toSignature),
3859	>	Stream.of(signatureWhitelist))
3860	>	.collect(Collectors.toSet());
3861	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3862	>	.filter(isNotStatic)
3863	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3864	>	.collect(Collectors.toList());
3865	>
3866	>	CompletionStage<Integer> minimalStage =
3867	>	new CompletableFuture<Integer>().minimalCompletionStage();
3868	>
3869	>	List<Method> bugs = new ArrayList<>();
3870	>	for (Method method : allMethods) {
3871	>	Class<?>[] parameterTypes = method.getParameterTypes();
3872	>	Object[] args = new Object[parameterTypes.length];
3873	>	// Manufacture boxed primitives for primitive params
3874	>	for (int i = 0; i < args.length; i++) {
3875	>	Class<?> type = parameterTypes[i];
3876	>	if (parameterTypes[i] == boolean.class)
3877	>	args[i] = false;
3878	>	else if (parameterTypes[i] == int.class)
3879	>	args[i] = 0;
3880	>	else if (parameterTypes[i] == long.class)
3881	>	args[i] = 0L;
3882	>	}
3883	>	try {
3884	>	method.invoke(minimalStage, args);
3885	>	bugs.add(method);
3886	>	}
3887	>	catch (java.lang.reflect.InvocationTargetException expected) {
3888	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3889	>	bugs.add(method);
3890	>	// expected.getCause().printStackTrace();
3891	>	}
3892	>	}
3893	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3894	>	}
3895	>	if (!bugs.isEmpty())
3896	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3897		}
3898
3899	+	static class Monad {
3900	+	static class ZeroException extends RuntimeException {
3901	+	public ZeroException() { super("monadic zero"); }
3902	+	}
3903	+	// "return", "unit"
3904	+	static <T> CompletableFuture<T> unit(T value) {
3905	+	return completedFuture(value);
3906	+	}
3907	+	// monadic zero ?
3908	+	static <T> CompletableFuture<T> zero() {
3909	+	return failedFuture(new ZeroException());
3910	+	}
3911	+	// >=>
3912	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3913	+	(Function<T, CompletableFuture<U>> f,
3914	+	Function<U, CompletableFuture<V>> g) {
3915	+	return (x) -> f.apply(x).thenCompose(g);
3916	+	}
3917	+
3918	+	static void assertZero(CompletableFuture<?> f) {
3919	+	try {
3920	+	f.getNow(null);
3921	+	throw new AssertionFailedError("should throw");
3922	+	} catch (CompletionException success) {
3923	+	assertTrue(success.getCause() instanceof ZeroException);
3924	+	}
3925	+	}
3926	+
3927	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3928	+	CompletableFuture<T> g) {
3929	+	T fval = null, gval = null;
3930	+	Throwable fex = null, gex = null;
3931	+
3932	+	try { fval = f.get(); }
3933	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3934	+	catch (Throwable ex) { fex = ex; }
3935	+
3936	+	try { gval = g.get(); }
3937	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3938	+	catch (Throwable ex) { gex = ex; }
3939	+
3940	+	if (fex != null || gex != null)
3941	+	assertSame(fex.getClass(), gex.getClass());
3942	+	else
3943	+	assertEquals(fval, gval);
3944	+	}
3945	+
3946	+	static class PlusFuture<T> extends CompletableFuture<T> {
3947	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3948	+	}
3949	+
3950	+	/** Implements "monadic plus". */
3951	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3952	+	CompletableFuture<? extends T> g) {
3953	+	PlusFuture<T> plus = new PlusFuture<T>();
3954	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3955	+	try {
3956	+	if (ex == null) {
3957	+	if (plus.complete(result))
3958	+	if (plus.firstFailure.get() != null)
3959	+	plus.firstFailure.set(null);
3960	+	}
3961	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3962	+	if (plus.isDone())
3963	+	plus.firstFailure.set(null);
3964	+	}
3965	+	else {
3966	+	// first failure has precedence
3967	+	Throwable first = plus.firstFailure.getAndSet(null);
3968	+
3969	+	// may fail with "Self-suppression not permitted"
3970	+	try { first.addSuppressed(ex); }
3971	+	catch (Exception ignored) {}
3972	+
3973	+	plus.completeExceptionally(first);
3974	+	}
3975	+	} catch (Throwable unexpected) {
3976	+	plus.completeExceptionally(unexpected);
3977	+	}
3978	+	};
3979	+	f.whenComplete(action);
3980	+	g.whenComplete(action);
3981	+	return plus;
3982	+	}
3983	+	}
3984	+
3985	+	/**
3986	+	* CompletableFuture is an additive monad - sort of.
3987	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3988	+	*/
3989	+	public void testAdditiveMonad() throws Throwable {
3990	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3991	+	CompletableFuture<Long> zero = Monad.zero();
3992	+
3993	+	// Some mutually non-commutative functions
3994	+	Function<Long, CompletableFuture<Long>> triple
3995	+	= (x) -> Monad.unit(3 * x);
3996	+	Function<Long, CompletableFuture<Long>> inc
3997	+	= (x) -> Monad.unit(x + 1);
3998	+
3999	+	// unit is a right identity: m >>= unit === m
4000	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4001	+	inc.apply(5L));
4002	+	// unit is a left identity: (unit x) >>= f === f x
4003	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4004	+	inc.apply(5L));
4005	+
4006	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4007	+	Monad.assertFutureEquals(
4008	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4009	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
4010	+
4011	+	// The case for CompletableFuture as an additive monad is weaker...
4012	+
4013	+	// zero is a monadic zero
4014	+	Monad.assertZero(zero);
4015	+
4016	+	// left zero: zero >>= f === zero
4017	+	Monad.assertZero(zero.thenCompose(inc));
4018	+	// right zero: f >>= (\x -> zero) === zero
4019	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
4020	+
4021	+	// f plus zero === f
4022	+	Monad.assertFutureEquals(Monad.unit(5L),
4023	+	Monad.plus(Monad.unit(5L), zero));
4024	+	// zero plus f === f
4025	+	Monad.assertFutureEquals(Monad.unit(5L),
4026	+	Monad.plus(zero, Monad.unit(5L)));
4027	+	// zero plus zero === zero
4028	+	Monad.assertZero(Monad.plus(zero, zero));
4029	+	{
4030	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4031	+	Monad.unit(8L));
4032	+	// non-determinism
4033	+	assertTrue(f.get() == 5L || f.get() == 8L);
4034	+	}
4035	+
4036	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4037	+	// f plus godot === f (doesn't wait for godot)
4038	+	Monad.assertFutureEquals(Monad.unit(5L),
4039	+	Monad.plus(Monad.unit(5L), godot));
4040	+	// godot plus f === f (doesn't wait for godot)
4041	+	Monad.assertFutureEquals(Monad.unit(5L),
4042	+	Monad.plus(godot, Monad.unit(5L)));
4043	+	}
4044	+
4045	+	/**
4046	+	* A single CompletableFuture with many dependents.
4047	+	* A demo of scalability - runtime is O(n).
4048	+	*/
4049	+	public void testManyDependents() throws Throwable {
4050	+	final int n = 1_000;
4051	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4052	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4053	+	final AtomicInteger count = new AtomicInteger(0);
4054	+	for (int i = 0; i < n; i++) {
4055	+	head.thenRun(() -> count.getAndIncrement());
4056	+	head.thenAccept((x) -> count.getAndIncrement());
4057	+	head.thenApply((x) -> count.getAndIncrement());
4058	+
4059	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4060	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4061	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4062	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4063	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4064	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4065	+
4066	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4067	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4068	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4069	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4070	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
4071	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
4072	+	}
4073	+	head.complete(null);
4074	+	assertEquals(5 * 3 * n, count.get());
4075	+	}
4076	+
4077	+	//     static <U> U join(CompletionStage<U> stage) {
4078	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4079	+	//         stage.whenComplete((v, ex) -> {
4080	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4081	+	//         });
4082	+	//         return f.join();
4083	+	//     }
4084	+
4085	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4086	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4087	+	//         stage.whenComplete((v, ex) -> {
4088	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4089	+	//         });
4090	+	//         return f.isDone();
4091	+	//     }
4092	+
4093	+	//     static <U> U join2(CompletionStage<U> stage) {
4094	+	//         return stage.toCompletableFuture().copy().join();
4095	+	//     }
4096	+
4097	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4098	+	//         return stage.toCompletableFuture().copy().isDone();
4099	+	//     }
4100	+
4101		}

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