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root/jsr166/jsr166/src/test/tck/CompletableFutureTest.java

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.54 by jsr166, Mon Jun 2 21:32:24 2014 UTC vs.
Revision 1.217 by jsr166, Sat Nov 24 18:13:28 2018 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31		import java.util.concurrent.ForkJoinPool;
32		import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
25	<	import static java.util.concurrent.TimeUnit.SECONDS;
26	<	import java.util.*;
27	<	import java.util.function.Supplier;
28	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
30	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 44 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
74		catch (Throwable fail) { threadUnexpectedException(fail); }
75		}
76
77	<	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	try {
79	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.join());
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
66	<	try {
67	<	assertEquals(value, f.getNow(null));
68	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
77	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T expectedValue) {
78	>	checkTimedGet(f, expectedValue);
79	>
80	>	assertEquals(expectedValue, f.join());
81	>	assertEquals(expectedValue, f.getNow(null));
82	>
83	>	T result = null;
84		try {
85	<	assertEquals(value, f.get());
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91		assertFalse(f.isCompletedExceptionally());
92	<	assertTrue(f.toString().contains("[Completed normally]"));
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
96	<	try {
97	<	f.get(LONG_DELAY_MS, MILLISECONDS);
98	<	shouldThrow();
99	<	} catch (ExecutionException success) {
100	<	assertTrue(success.getCause() instanceof CFException);
101	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
102	<	try {
86	<	f.join();
87	<	shouldThrow();
88	<	} catch (CompletionException success) {
89	<	assertTrue(success.getCause() instanceof CFException);
90	<	}
91	<	try {
92	<	f.getNow(null);
93	<	shouldThrow();
94	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
96	<	}
97	<	try {
98	<	f.get();
99	<	shouldThrow();
100	<	} catch (ExecutionException success) {
101	<	assertTrue(success.getCause() instanceof CFException);
102	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
95	>	/**
96	>	* Returns the "raw" internal exceptional completion of f,
97	>	* without any additional wrapping with CompletionException.
98	>	*/
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103		}
104
105	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
105	>	void checkCompletedExceptionally(CompletableFuture<?> f,
106	>	boolean wrapped,
107	>	Consumer<Throwable> checker) {
108	>	Throwable cause = exceptionalCompletion(f);
109	>	if (wrapped) {
110	>	assertTrue(cause instanceof CompletionException);
111	>	cause = cause.getCause();
112	>	}
113	>	checker.accept(cause);
114	>
115	>	long startTime = System.nanoTime();
116		try {
117		f.get(LONG_DELAY_MS, MILLISECONDS);
118		shouldThrow();
119		} catch (ExecutionException success) {
120	<	assertSame(ex, success.getCause());
120	>	assertSame(cause, success.getCause());
121		} catch (Throwable fail) { threadUnexpectedException(fail); }
122	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
123	+
124		try {
125		f.join();
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.getNow(null);
133		shouldThrow();
134		} catch (CompletionException success) {
135	<	assertSame(ex, success.getCause());
136	<	}
135	>	assertSame(cause, success.getCause());
136	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	>
138		try {
139		f.get();
140		shouldThrow();
141		} catch (ExecutionException success) {
142	<	assertSame(ex, success.getCause());
142	>	assertSame(cause, success.getCause());
143		} catch (Throwable fail) { threadUnexpectedException(fail); }
144	<	assertTrue(f.isDone());
144	>
145		assertFalse(f.isCancelled());
146	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
146	>	assertTrue(f.isDone());
147	>	assertTrue(f.isCompletedExceptionally());
148	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
149	>	}
150	>
151	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152	>	checkCompletedExceptionally(f, true,
153	>	t -> assertTrue(t instanceof CFException));
154	>	}
155	>
156	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
157	>	checkCompletedExceptionally(f, true,
158	>	t -> assertTrue(t instanceof CancellationException));
159	>	}
160	>
161	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
162	>	checkCompletedExceptionally(f, false,
163	>	t -> assertTrue(t instanceof TimeoutException));
164	>	}
165	>
166	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
167	>	Throwable ex) {
168	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
169	>	}
170	>
171	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
172	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
173		}
174
175		void checkCancelled(CompletableFuture<?> f) {
176	+	long startTime = System.nanoTime();
177		try {
178		f.get(LONG_DELAY_MS, MILLISECONDS);
179		shouldThrow();
180		} catch (CancellationException success) {
181		} catch (Throwable fail) { threadUnexpectedException(fail); }
182	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
183	+
184		try {
185		f.join();
186		shouldThrow();
#	Line 155 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
158	–	assertTrue(f.isDone());
159	–	assertTrue(f.isCompletedExceptionally());
160	–	assertTrue(f.isCancelled());
161	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
162	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
166	<	f.get(LONG_DELAY_MS, MILLISECONDS);
167	<	shouldThrow();
168	<	} catch (ExecutionException success) {
169	<	assertTrue(success.getCause() instanceof CancellationException);
170	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
171	<	try {
172	<	f.join();
173	<	shouldThrow();
174	<	} catch (CompletionException success) {
175	<	assertTrue(success.getCause() instanceof CancellationException);
176	<	}
177	<	try {
178	<	f.getNow(null);
179	<	shouldThrow();
180	<	} catch (CompletionException success) {
181	<	assertTrue(success.getCause() instanceof CancellationException);
182	<	}
183	<	try {
184	<	f.get();
185	<	shouldThrow();
186	<	} catch (ExecutionException success) {
187	<	assertTrue(success.getCause() instanceof CancellationException);
188	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
201		assertTrue(f.isCompletedExceptionally());
202	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
202	>	assertTrue(f.isCancelled());
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 206 | Line 217 | public class CompletableFutureTest exten
217		* isCancelled, join, get, and getNow
218		*/
219		public void testComplete() {
220	+	for (Integer v1 : new Integer[] { 1, null })
221	+	{
222		CompletableFuture<Integer> f = new CompletableFuture<>();
223		checkIncomplete(f);
224	<	f.complete(one);
225	<	checkCompletedNormally(f, one);
226	<	}
224	>	assertTrue(f.complete(v1));
225	>	assertFalse(f.complete(v1));
226	>	checkCompletedNormally(f, v1);
227	>	}}
228
229		/**
230		* completeExceptionally completes exceptionally, as indicated by
#	Line 218 | Line 232 | public class CompletableFutureTest exten
232		*/
233		public void testCompleteExceptionally() {
234		CompletableFuture<Integer> f = new CompletableFuture<>();
235	+	CFException ex = new CFException();
236		checkIncomplete(f);
237	<	f.completeExceptionally(new CFException());
238	<	checkCompletedWithWrappedCFException(f);
237	>	f.completeExceptionally(ex);
238	>	checkCompletedExceptionally(f, ex);
239		}
240
241		/**
#	Line 228 | Line 243 | public class CompletableFutureTest exten
243		* methods isDone, isCancelled, join, get, and getNow
244		*/
245		public void testCancel() {
246	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
247	+	{
248		CompletableFuture<Integer> f = new CompletableFuture<>();
249		checkIncomplete(f);
250	<	assertTrue(f.cancel(true));
250	>	assertTrue(f.cancel(mayInterruptIfRunning));
251	>	assertTrue(f.cancel(mayInterruptIfRunning));
252	>	assertTrue(f.cancel(!mayInterruptIfRunning));
253		checkCancelled(f);
254	<	}
254	>	}}
255
256		/**
257		* obtrudeValue forces completion with given value
#	Line 240 | Line 259 | public class CompletableFutureTest exten
259		public void testObtrudeValue() {
260		CompletableFuture<Integer> f = new CompletableFuture<>();
261		checkIncomplete(f);
262	<	f.complete(one);
262	>	assertTrue(f.complete(one));
263		checkCompletedNormally(f, one);
264		f.obtrudeValue(three);
265		checkCompletedNormally(f, three);
#	Line 261 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	CompletableFuture<Integer> f = new CompletableFuture<>();
284	<	checkIncomplete(f);
285	<	f.complete(one);
286	<	checkCompletedNormally(f, one);
287	<	f.obtrudeException(new CFException());
288	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288	>	f = new CompletableFuture<>();
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295		f = new CompletableFuture<>();
296	<	f.obtrudeException(new CFException());
297	<	checkCompletedWithWrappedCFException(f);
296	>	for (int i = 0; i < 2; i++) {
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	}
300	>
301		f = new CompletableFuture<>();
302		f.completeExceptionally(new CFException());
303	<	f.obtrudeValue(four);
304	<	checkCompletedNormally(f, four);
305	<	f.obtrudeException(new CFException());
306	<	checkCompletedWithWrappedCFException(f);
307	<	}
303	>	f.obtrudeValue(v1);
304	>	checkCompletedNormally(f, v1);
305	>	f.obtrudeException(ex = new CFException());
306	>	checkCompletedExceptionally(f, ex);
307	>	f.completeExceptionally(new CFException());
308	>	checkCompletedExceptionally(f, ex);
309	>	assertFalse(f.complete(v1));
310	>	checkCompletedExceptionally(f, ex);
311	>	}}
312
313		/**
314		* getNumberOfDependents returns number of dependent tasks
315		*/
316		public void testGetNumberOfDependents() {
317	+	for (ExecutionMode m : ExecutionMode.values())
318	+	for (Integer v1 : new Integer[] { 1, null })
319	+	{
320		CompletableFuture<Integer> f = new CompletableFuture<>();
321		assertEquals(0, f.getNumberOfDependents());
322	<	CompletableFuture g = f.thenRun(new Noop());
322	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323		assertEquals(1, f.getNumberOfDependents());
324		assertEquals(0, g.getNumberOfDependents());
325	<	CompletableFuture h = f.thenRun(new Noop());
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326		assertEquals(2, f.getNumberOfDependents());
327	<	f.complete(1);
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	+	checkCompletedNormally(h, null);
331		assertEquals(0, f.getNumberOfDependents());
332		assertEquals(0, g.getNumberOfDependents());
333	<	}
333	>	assertEquals(0, h.getNumberOfDependents());
334	>	}}
335
336		/**
337		* toString indicates current completion state
338		*/
339	<	public void testToString() {
340	<	CompletableFuture<String> f;
341	<
342	<	f = new CompletableFuture<String>();
343	<	assertTrue(f.toString().contains("[Not completed]"));
344	<
345	<	f.complete("foo");
346	<	assertTrue(f.toString().contains("[Completed normally]"));
347	<
348	<	f = new CompletableFuture<String>();
349	<	f.completeExceptionally(new IndexOutOfBoundsException());
350	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
339	>	public void testToString_incomplete() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
342	>	if (testImplementationDetails)
343	>	assertEquals(identityString(f) + "[Not completed]",
344	>	f.toString());
345	>	}
346	>
347	>	public void testToString_normal() {
348	>	CompletableFuture<String> f = new CompletableFuture<>();
349	>	assertTrue(f.complete("foo"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	assertEquals(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355	>
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
360	>	if (testImplementationDetails)
361	>	assertTrue(f.toString().startsWith(
362	>	identityString(f) + "[Completed exceptionally: "));
363	>	}
364	>
365	>	public void testToString_cancelled() {
366	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368	>	assertTrue(f.cancel(mayInterruptIfRunning));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373	>	}
374		}
375
376		/**
#	Line 320 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	// Choose non-commutative actions for better coverage
384	>	abstract static class CheckedAction {
385	>	int invocationCount = 0;
386	>	final ExecutionMode m;
387	>	CheckedAction(ExecutionMode m) { this.m = m; }
388	>	void invoked() {
389	>	m.checkExecutionMode();
390	>	assertEquals(0, invocationCount++);
391	>	}
392	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
393	>	void assertInvoked() { assertEquals(1, invocationCount); }
394	>	}
395
396	<	// A non-commutative function that handles and produces null values as well.
397	<	static Integer subtract(Integer x, Integer y) {
398	<	return (x == null && y == null) ? null :
399	<	((x == null) ? 42 : x.intValue())
400	<	- ((y == null) ? 99 : y.intValue());
396	>	abstract static class CheckedIntegerAction extends CheckedAction {
397	>	Integer value;
398	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
399	>	void assertValue(Integer expected) {
400	>	assertInvoked();
401	>	assertEquals(expected, value);
402	>	}
403	>	}
404	>
405	>	static class IntegerSupplier extends CheckedAction
406	>	implements Supplier<Integer>
407	>	{
408	>	final Integer value;
409	>	IntegerSupplier(ExecutionMode m, Integer value) {
410	>	super(m);
411	>	this.value = value;
412	>	}
413	>	public Integer get() {
414	>	invoked();
415	>	return value;
416	>	}
417		}
418
419		// A function that handles and produces null values as well.
#	Line 334 | Line 421 | public class CompletableFutureTest exten
421		return (x == null) ? null : x + 1;
422		}
423
424	<	static final Supplier<Integer> supplyOne =
425	<	() -> Integer.valueOf(1);
426	<	static final Function<Integer, Integer> inc =
427	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
341	<	static final BiFunction<Integer, Integer, Integer> subtract =
342	<	(Integer x, Integer y) -> subtract(x, y);
343	<	static final class IncAction implements Consumer<Integer> {
344	<	int invocationCount = 0;
345	<	Integer value;
424	>	static class NoopConsumer extends CheckedIntegerAction
425	>	implements Consumer<Integer>
426	>	{
427	>	NoopConsumer(ExecutionMode m) { super(m); }
428		public void accept(Integer x) {
429	<	invocationCount++;
430	<	value = inc(x);
429	>	invoked();
430	>	value = x;
431		}
432		}
433	<	static final class IncFunction implements Function<Integer,Integer> {
434	<	int invocationCount = 0;
435	<	Integer value;
433	>
434	>	static class IncFunction extends CheckedIntegerAction
435	>	implements Function<Integer,Integer>
436	>	{
437	>	IncFunction(ExecutionMode m) { super(m); }
438		public Integer apply(Integer x) {
439	<	invocationCount++;
439	>	invoked();
440		return value = inc(x);
441		}
442		}
443	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
444	<	int invocationCount = 0;
445	<	Integer value;
446	<	// Check this action was invoked exactly once when result is computed.
443	>
444	>	// Choose non-commutative actions for better coverage
445	>	// A non-commutative function that handles and produces null values as well.
446	>	static Integer subtract(Integer x, Integer y) {
447	>	return (x == null && y == null) ? null :
448	>	((x == null) ? 42 : x.intValue())
449	>	- ((y == null) ? 99 : y.intValue());
450	>	}
451	>
452	>	static class SubtractAction extends CheckedIntegerAction
453	>	implements BiConsumer<Integer, Integer>
454	>	{
455	>	SubtractAction(ExecutionMode m) { super(m); }
456		public void accept(Integer x, Integer y) {
457	<	invocationCount++;
457	>	invoked();
458		value = subtract(x, y);
459		}
460		}
461	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
462	<	int invocationCount = 0;
463	<	Integer value;
464	<	// Check this action was invoked exactly once when result is computed.
461	>
462	>	static class SubtractFunction extends CheckedIntegerAction
463	>	implements BiFunction<Integer, Integer, Integer>
464	>	{
465	>	SubtractFunction(ExecutionMode m) { super(m); }
466		public Integer apply(Integer x, Integer y) {
467	<	invocationCount++;
467	>	invoked();
468		return value = subtract(x, y);
469		}
470		}
471	<	static final class Noop implements Runnable {
472	<	int invocationCount = 0;
471	>
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474		public void run() {
475	<	invocationCount++;
475	>	invoked();
476		}
477		}
478
479	<	static final class FailingSupplier implements Supplier<Integer> {
480	<	int invocationCount = 0;
479	>	static class FailingSupplier extends CheckedAction
480	>	implements Supplier<Integer>
481	>	{
482	>	final CFException ex;
483	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
484		public Integer get() {
485	<	invocationCount++;
486	<	throw new CFException();
485	>	invoked();
486	>	throw ex;
487		}
488		}
489	<	static final class FailingConsumer implements Consumer<Integer> {
490	<	int invocationCount = 0;
489	>
490	>	static class FailingConsumer extends CheckedIntegerAction
491	>	implements Consumer<Integer>
492	>	{
493	>	final CFException ex;
494	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
495		public void accept(Integer x) {
496	<	invocationCount++;
497	<	throw new CFException();
496	>	invoked();
497	>	value = x;
498	>	throw ex;
499		}
500		}
501	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
502	<	int invocationCount = 0;
501	>
502	>	static class FailingBiConsumer extends CheckedIntegerAction
503	>	implements BiConsumer<Integer, Integer>
504	>	{
505	>	final CFException ex;
506	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
507		public void accept(Integer x, Integer y) {
508	<	invocationCount++;
509	<	throw new CFException();
508	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511		}
512		}
513	<	static final class FailingFunction implements Function<Integer, Integer> {
514	<	int invocationCount = 0;
513	>
514	>	static class FailingFunction extends CheckedIntegerAction
515	>	implements Function<Integer, Integer>
516	>	{
517	>	final CFException ex;
518	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
519		public Integer apply(Integer x) {
520	<	invocationCount++;
521	<	throw new CFException();
520	>	invoked();
521	>	value = x;
522	>	throw ex;
523		}
524		}
525	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
526	<	int invocationCount = 0;
525	>
526	>	static class FailingBiFunction extends CheckedIntegerAction
527	>	implements BiFunction<Integer, Integer, Integer>
528	>	{
529	>	final CFException ex;
530	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
531		public Integer apply(Integer x, Integer y) {
532	<	invocationCount++;
533	<	throw new CFException();
532	>	invoked();
533	>	value = subtract(x, y);
534	>	throw ex;
535		}
536		}
537	<	static final class FailingRunnable implements Runnable {
538	<	int invocationCount = 0;
537	>
538	>	static class FailingRunnable extends CheckedAction implements Runnable {
539	>	final CFException ex;
540	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
541		public void run() {
542	<	invocationCount++;
543	<	throw new CFException();
542	>	invoked();
543	>	throw ex;
544		}
545		}
546
547	<	static final class CompletableFutureInc
548	<	implements Function<Integer, CompletableFuture<Integer>> {
549	<	int invocationCount = 0;
547	>	static class CompletableFutureInc extends CheckedIntegerAction
548	>	implements Function<Integer, CompletableFuture<Integer>>
549	>	{
550	>	CompletableFutureInc(ExecutionMode m) { super(m); }
551		public CompletableFuture<Integer> apply(Integer x) {
552	<	invocationCount++;
553	<	CompletableFuture<Integer> f = new CompletableFuture<>();
554	<	f.complete(inc(x));
434	<	return f;
552	>	invoked();
553	>	value = x;
554	>	return CompletableFuture.completedFuture(inc(x));
555		}
556		}
557
558	<	static final class FailingCompletableFutureFunction
559	<	implements Function<Integer, CompletableFuture<Integer>> {
560	<	int invocationCount = 0;
558	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
559	>	implements Function<Throwable, CompletableFuture<Integer>>
560	>	{
561	>	final CFException ex;
562	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
563	>	public CompletableFuture<Integer> apply(Throwable x) {
564	>	invoked();
565	>	throw ex;
566	>	}
567	>	}
568	>
569	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
570	>	implements Function<Throwable, CompletionStage<Integer>> {
571	>	final Integer value = 3;
572	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
573	>	public CompletionStage<Integer> apply(Throwable x) {
574	>	invoked();
575	>	return CompletableFuture.completedFuture(value);
576	>	}
577	>	}
578	>
579	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
580	>	implements Function<Integer, CompletableFuture<Integer>>
581	>	{
582	>	final CFException ex;
583	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
584		public CompletableFuture<Integer> apply(Integer x) {
585	<	invocationCount++;
586	<	throw new CFException();
585	>	invoked();
586	>	value = x;
587	>	throw ex;
588	>	}
589	>	}
590	>
591	>	static class CountingRejectingExecutor implements Executor {
592	>	final RejectedExecutionException ex = new RejectedExecutionException();
593	>	final AtomicInteger count = new AtomicInteger(0);
594	>	public void execute(Runnable r) {
595	>	count.getAndIncrement();
596	>	throw ex;
597		}
598		}
599
600		// Used for explicit executor tests
601		static final class ThreadExecutor implements Executor {
602	<	AtomicInteger count = new AtomicInteger(0);
602	>	final AtomicInteger count = new AtomicInteger(0);
603	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
604	>	static boolean startedCurrentThread() {
605	>	return Thread.currentThread().getThreadGroup() == tg;
606	>	}
607
608		public void execute(Runnable r) {
609		count.getAndIncrement();
610	<	new Thread(r).start();
610	>	new Thread(tg, r).start();
611		}
612		}
613
614	+	static final boolean defaultExecutorIsCommonPool
615	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
616	+
617		/**
618		* Permits the testing of parallel code for the 3 different
619	<	* execution modes without repeating all the testing code.
619	>	* execution modes without copy/pasting all the test methods.
620		*/
621		enum ExecutionMode {
622	<	DEFAULT {
622	>	SYNC {
623		public void checkExecutionMode() {
624	+	assertFalse(ThreadExecutor.startedCurrentThread());
625		assertNull(ForkJoinTask.getPool());
626		}
627	+	public CompletableFuture<Void> runAsync(Runnable a) {
628	+	throw new UnsupportedOperationException();
629	+	}
630	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
631	+	throw new UnsupportedOperationException();
632	+	}
633		public <T> CompletableFuture<Void> thenRun
634		(CompletableFuture<T> f, Runnable a) {
635		return f.thenRun(a);
#	Line 524 | Line 691 | public class CompletableFutureTest exten
691		Function<? super T,U> a) {
692		return f.applyToEither(g, a);
693		}
694	+	public <T> CompletableFuture<T> exceptionally
695	+	(CompletableFuture<T> f,
696	+	Function<Throwable, ? extends T> fn) {
697	+	return f.exceptionally(fn);
698	+	}
699	+	public <T> CompletableFuture<T> exceptionallyCompose
700	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
701	+	return f.exceptionallyCompose(fn);
702	+	}
703		},
528	–
704		ASYNC {
705		public void checkExecutionMode() {
706	<	assertSame(ForkJoinPool.commonPool(),
707	<	ForkJoinTask.getPool());
706	>	assertEquals(defaultExecutorIsCommonPool,
707	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
708	>	}
709	>	public CompletableFuture<Void> runAsync(Runnable a) {
710	>	return CompletableFuture.runAsync(a);
711	>	}
712	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
713	>	return CompletableFuture.supplyAsync(a);
714		}
715		public <T> CompletableFuture<Void> thenRun
716		(CompletableFuture<T> f, Runnable a) {
#	Line 592 | Line 773 | public class CompletableFutureTest exten
773		Function<? super T,U> a) {
774		return f.applyToEitherAsync(g, a);
775		}
776	+	public <T> CompletableFuture<T> exceptionally
777	+	(CompletableFuture<T> f,
778	+	Function<Throwable, ? extends T> fn) {
779	+	return f.exceptionallyAsync(fn);
780	+	}
781	+
782	+	public <T> CompletableFuture<T> exceptionallyCompose
783	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
784	+	return f.exceptionallyComposeAsync(fn);
785	+	}
786	+
787		},
788
789		EXECUTOR {
790		public void checkExecutionMode() {
791	<	//TODO
791	>	assertTrue(ThreadExecutor.startedCurrentThread());
792	>	}
793	>	public CompletableFuture<Void> runAsync(Runnable a) {
794	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
795	>	}
796	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
797	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
798		}
799		public <T> CompletableFuture<Void> thenRun
800		(CompletableFuture<T> f, Runnable a) {
#	Line 659 | Line 857 | public class CompletableFutureTest exten
857		Function<? super T,U> a) {
858		return f.applyToEitherAsync(g, a, new ThreadExecutor());
859		}
860	+	public <T> CompletableFuture<T> exceptionally
861	+	(CompletableFuture<T> f,
862	+	Function<Throwable, ? extends T> fn) {
863	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
864	+	}
865	+	public <T> CompletableFuture<T> exceptionallyCompose
866	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
867	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
868	+	}
869	+
870		};
871
872		public abstract void checkExecutionMode();
873	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
874	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
875		public abstract <T> CompletableFuture<Void> thenRun
876		(CompletableFuture<T> f, Runnable a);
877		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 699 | Line 909 | public class CompletableFutureTest exten
909		(CompletableFuture<T> f,
910		CompletionStage<? extends T> g,
911		Function<? super T,U> a);
912	+	public abstract <T> CompletableFuture<T> exceptionally
913	+	(CompletableFuture<T> f,
914	+	Function<Throwable, ? extends T> fn);
915	+	public abstract <T> CompletableFuture<T> exceptionallyCompose
916	+	(CompletableFuture<T> f,
917	+	Function<Throwable, ? extends CompletionStage<T>> fn);
918		}
919
920		/**
#	Line 706 | Line 922 | public class CompletableFutureTest exten
922		* normally, and source result is propagated
923		*/
924		public void testExceptionally_normalCompletion() {
925	+	for (ExecutionMode m : ExecutionMode.values())
926		for (boolean createIncomplete : new boolean[] { true, false })
927		for (Integer v1 : new Integer[] { 1, null })
928		{
712	–	final AtomicInteger a = new AtomicInteger(0);
929		final CompletableFuture<Integer> f = new CompletableFuture<>();
930	<	if (!createIncomplete) f.complete(v1);
931	<	final CompletableFuture<Integer> g = f.exceptionally
932	<	((Throwable t) -> {
933	<	// Should not be called
934	<	a.getAndIncrement();
719	<	throw new AssertionError();
930	>	if (!createIncomplete) assertTrue(f.complete(v1));
931	>	final CompletableFuture<Integer> g = m.exceptionally
932	>	(f, (Throwable t) -> {
933	>	threadFail("should not be called");
934	>	return null;            // unreached
935		});
936	<	if (createIncomplete) f.complete(v1);
936	>	if (createIncomplete) assertTrue(f.complete(v1));
937
938		checkCompletedNormally(g, v1);
939		checkCompletedNormally(f, v1);
725	–	assertEquals(0, a.get());
940		}}
941
728	–
942		/**
943		* exceptionally action completes with function value on source
944		* exception
945		*/
946		public void testExceptionally_exceptionalCompletion() {
947	+	for (ExecutionMode m : ExecutionMode.values())
948		for (boolean createIncomplete : new boolean[] { true, false })
949		for (Integer v1 : new Integer[] { 1, null })
950		{
#	Line 738 | Line 952 | public class CompletableFutureTest exten
952		final CFException ex = new CFException();
953		final CompletableFuture<Integer> f = new CompletableFuture<>();
954		if (!createIncomplete) f.completeExceptionally(ex);
955	<	final CompletableFuture<Integer> g = f.exceptionally
956	<	((Throwable t) -> {
957	<	threadAssertSame(t, ex);
955	>	final CompletableFuture<Integer> g = m.exceptionally
956	>	(f, (Throwable t) -> {
957	>	m.checkExecutionMode();
958	>	assertSame(t, ex);
959		a.getAndIncrement();
960		return v1;
961		});
#	Line 750 | Line 965 | public class CompletableFutureTest exten
965		assertEquals(1, a.get());
966		}}
967
968	+	/**
969	+	* If an "exceptionally action" throws an exception, it completes
970	+	* exceptionally with that exception
971	+	*/
972		public void testExceptionally_exceptionalCompletionActionFailed() {
973	+	for (ExecutionMode m : ExecutionMode.values())
974	+	for (boolean createIncomplete : new boolean[] { true, false })
975	+	{
976	+	final AtomicInteger a = new AtomicInteger(0);
977	+	final CFException ex1 = new CFException();
978	+	final CFException ex2 = new CFException();
979	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
980	+	if (!createIncomplete) f.completeExceptionally(ex1);
981	+	final CompletableFuture<Integer> g = m.exceptionally
982	+	(f, (Throwable t) -> {
983	+	m.checkExecutionMode();
984	+	assertSame(t, ex1);
985	+	a.getAndIncrement();
986	+	throw ex2;
987	+	});
988	+	if (createIncomplete) f.completeExceptionally(ex1);
989	+
990	+	checkCompletedWithWrappedException(g, ex2);
991	+	checkCompletedExceptionally(f, ex1);
992	+	assertEquals(1, a.get());
993	+	}}
994	+
995	+	/**
996	+	* whenComplete action executes on normal completion, propagating
997	+	* source result.
998	+	*/
999	+	public void testWhenComplete_normalCompletion() {
1000	+	for (ExecutionMode m : ExecutionMode.values())
1001	+	for (boolean createIncomplete : new boolean[] { true, false })
1002	+	for (Integer v1 : new Integer[] { 1, null })
1003	+	{
1004	+	final AtomicInteger a = new AtomicInteger(0);
1005	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	+	if (!createIncomplete) assertTrue(f.complete(v1));
1007	+	final CompletableFuture<Integer> g = m.whenComplete
1008	+	(f,
1009	+	(Integer result, Throwable t) -> {
1010	+	m.checkExecutionMode();
1011	+	assertSame(result, v1);
1012	+	assertNull(t);
1013	+	a.getAndIncrement();
1014	+	});
1015	+	if (createIncomplete) assertTrue(f.complete(v1));
1016	+
1017	+	checkCompletedNormally(g, v1);
1018	+	checkCompletedNormally(f, v1);
1019	+	assertEquals(1, a.get());
1020	+	}}
1021	+
1022	+	/**
1023	+	* whenComplete action executes on exceptional completion, propagating
1024	+	* source result.
1025	+	*/
1026	+	public void testWhenComplete_exceptionalCompletion() {
1027	+	for (ExecutionMode m : ExecutionMode.values())
1028	+	for (boolean createIncomplete : new boolean[] { true, false })
1029	+	{
1030	+	final AtomicInteger a = new AtomicInteger(0);
1031	+	final CFException ex = new CFException();
1032	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1033	+	if (!createIncomplete) f.completeExceptionally(ex);
1034	+	final CompletableFuture<Integer> g = m.whenComplete
1035	+	(f,
1036	+	(Integer result, Throwable t) -> {
1037	+	m.checkExecutionMode();
1038	+	assertNull(result);
1039	+	assertSame(t, ex);
1040	+	a.getAndIncrement();
1041	+	});
1042	+	if (createIncomplete) f.completeExceptionally(ex);
1043	+
1044	+	checkCompletedWithWrappedException(g, ex);
1045	+	checkCompletedExceptionally(f, ex);
1046	+	assertEquals(1, a.get());
1047	+	}}
1048	+
1049	+	/**
1050	+	* whenComplete action executes on cancelled source, propagating
1051	+	* CancellationException.
1052	+	*/
1053	+	public void testWhenComplete_sourceCancelled() {
1054	+	for (ExecutionMode m : ExecutionMode.values())
1055	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1056	+	for (boolean createIncomplete : new boolean[] { true, false })
1057	+	{
1058	+	final AtomicInteger a = new AtomicInteger(0);
1059	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1060	+	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1061	+	final CompletableFuture<Integer> g = m.whenComplete
1062	+	(f,
1063	+	(Integer result, Throwable t) -> {
1064	+	m.checkExecutionMode();
1065	+	assertNull(result);
1066	+	assertTrue(t instanceof CancellationException);
1067	+	a.getAndIncrement();
1068	+	});
1069	+	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1070	+
1071	+	checkCompletedWithWrappedCancellationException(g);
1072	+	checkCancelled(f);
1073	+	assertEquals(1, a.get());
1074	+	}}
1075	+
1076	+	/**
1077	+	* If a whenComplete action throws an exception when triggered by
1078	+	* a normal completion, it completes exceptionally
1079	+	*/
1080	+	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1081		for (boolean createIncomplete : new boolean[] { true, false })
1082	+	for (ExecutionMode m : ExecutionMode.values())
1083		for (Integer v1 : new Integer[] { 1, null })
1084		{
1085		final AtomicInteger a = new AtomicInteger(0);
1086	+	final CFException ex = new CFException();
1087	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	+	if (!createIncomplete) assertTrue(f.complete(v1));
1089	+	final CompletableFuture<Integer> g = m.whenComplete
1090	+	(f,
1091	+	(Integer result, Throwable t) -> {
1092	+	m.checkExecutionMode();
1093	+	assertSame(result, v1);
1094	+	assertNull(t);
1095	+	a.getAndIncrement();
1096	+	throw ex;
1097	+	});
1098	+	if (createIncomplete) assertTrue(f.complete(v1));
1099	+
1100	+	checkCompletedWithWrappedException(g, ex);
1101	+	checkCompletedNormally(f, v1);
1102	+	assertEquals(1, a.get());
1103	+	}}
1104	+
1105	+	/**
1106	+	* If a whenComplete action throws an exception when triggered by
1107	+	* a source completion that also throws an exception, the source
1108	+	* exception takes precedence (unlike handle)
1109	+	*/
1110	+	public void testWhenComplete_sourceFailedActionFailed() {
1111	+	for (boolean createIncomplete : new boolean[] { true, false })
1112	+	for (ExecutionMode m : ExecutionMode.values())
1113	+	{
1114	+	final AtomicInteger a = new AtomicInteger(0);
1115		final CFException ex1 = new CFException();
1116		final CFException ex2 = new CFException();
1117		final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	+
1119		if (!createIncomplete) f.completeExceptionally(ex1);
1120	<	final CompletableFuture<Integer> g = f.exceptionally
1121	<	((Throwable t) -> {
1122	<	threadAssertSame(t, ex1);
1120	>	final CompletableFuture<Integer> g = m.whenComplete
1121	>	(f,
1122	>	(Integer result, Throwable t) -> {
1123	>	m.checkExecutionMode();
1124	>	assertSame(t, ex1);
1125	>	assertNull(result);
1126		a.getAndIncrement();
1127		throw ex2;
1128		});
1129		if (createIncomplete) f.completeExceptionally(ex1);
1130
1131	<	checkCompletedWithWrappedCFException(g, ex2);
1131	>	checkCompletedWithWrappedException(g, ex1);
1132	>	checkCompletedExceptionally(f, ex1);
1133	>	if (testImplementationDetails) {
1134	>	assertEquals(1, ex1.getSuppressed().length);
1135	>	assertSame(ex2, ex1.getSuppressed()[0]);
1136	>	}
1137		assertEquals(1, a.get());
1138		}}
1139
#	Line 782 | Line 1148 | public class CompletableFutureTest exten
1148		{
1149		final CompletableFuture<Integer> f = new CompletableFuture<>();
1150		final AtomicInteger a = new AtomicInteger(0);
1151	<	if (!createIncomplete) f.complete(v1);
1151	>	if (!createIncomplete) assertTrue(f.complete(v1));
1152		final CompletableFuture<Integer> g = m.handle
1153		(f,
1154	<	(Integer x, Throwable t) -> {
1155	<	threadAssertSame(x, v1);
1156	<	threadAssertNull(t);
1154	>	(Integer result, Throwable t) -> {
1155	>	m.checkExecutionMode();
1156	>	assertSame(result, v1);
1157	>	assertNull(t);
1158		a.getAndIncrement();
1159		return inc(v1);
1160		});
1161	<	if (createIncomplete) f.complete(v1);
1161	>	if (createIncomplete) assertTrue(f.complete(v1));
1162
1163		checkCompletedNormally(g, inc(v1));
1164		checkCompletedNormally(f, v1);
#	Line 813 | Line 1180 | public class CompletableFutureTest exten
1180		if (!createIncomplete) f.completeExceptionally(ex);
1181		final CompletableFuture<Integer> g = m.handle
1182		(f,
1183	<	(Integer x, Throwable t) -> {
1184	<	threadAssertNull(x);
1185	<	threadAssertSame(t, ex);
1183	>	(Integer result, Throwable t) -> {
1184	>	m.checkExecutionMode();
1185	>	assertNull(result);
1186	>	assertSame(t, ex);
1187		a.getAndIncrement();
1188		return v1;
1189		});
1190		if (createIncomplete) f.completeExceptionally(ex);
1191
1192		checkCompletedNormally(g, v1);
1193	<	checkCompletedWithWrappedCFException(f, ex);
1193	>	checkCompletedExceptionally(f, ex);
1194		assertEquals(1, a.get());
1195		}}
1196
#	Line 841 | Line 1209 | public class CompletableFutureTest exten
1209		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1210		final CompletableFuture<Integer> g = m.handle
1211		(f,
1212	<	(Integer x, Throwable t) -> {
1213	<	threadAssertNull(x);
1214	<	threadAssertTrue(t instanceof CancellationException);
1212	>	(Integer result, Throwable t) -> {
1213	>	m.checkExecutionMode();
1214	>	assertNull(result);
1215	>	assertTrue(t instanceof CancellationException);
1216		a.getAndIncrement();
1217		return v1;
1218		});
#	Line 855 | Line 1224 | public class CompletableFutureTest exten
1224		}}
1225
1226		/**
1227	<	* handle result completes exceptionally if action does
1227	>	* If a "handle action" throws an exception when triggered by
1228	>	* a normal completion, it completes exceptionally
1229		*/
1230	<	public void testHandle_sourceFailedActionFailed() {
1230	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1231		for (ExecutionMode m : ExecutionMode.values())
1232		for (boolean createIncomplete : new boolean[] { true, false })
1233	+	for (Integer v1 : new Integer[] { 1, null })
1234		{
1235		final CompletableFuture<Integer> f = new CompletableFuture<>();
1236		final AtomicInteger a = new AtomicInteger(0);
1237	<	final CFException ex1 = new CFException();
1238	<	final CFException ex2 = new CFException();
868	<	if (!createIncomplete) f.completeExceptionally(ex1);
1237	>	final CFException ex = new CFException();
1238	>	if (!createIncomplete) assertTrue(f.complete(v1));
1239		final CompletableFuture<Integer> g = m.handle
1240		(f,
1241	<	(Integer x, Throwable t) -> {
1242	<	threadAssertNull(x);
1243	<	threadAssertSame(ex1, t);
1241	>	(Integer result, Throwable t) -> {
1242	>	m.checkExecutionMode();
1243	>	assertSame(result, v1);
1244	>	assertNull(t);
1245		a.getAndIncrement();
1246	<	throw ex2;
1246	>	throw ex;
1247		});
1248	<	if (createIncomplete) f.completeExceptionally(ex1);
1248	>	if (createIncomplete) assertTrue(f.complete(v1));
1249
1250	<	checkCompletedWithWrappedCFException(g, ex2);
1251	<	checkCompletedWithWrappedCFException(f, ex1);
1250	>	checkCompletedWithWrappedException(g, ex);
1251	>	checkCompletedNormally(f, v1);
1252		assertEquals(1, a.get());
1253		}}
1254
1255	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1256	<	for (ExecutionMode m : ExecutionMode.values())
1255	>	/**
1256	>	* If a "handle action" throws an exception when triggered by
1257	>	* a source completion that also throws an exception, the action
1258	>	* exception takes precedence (unlike whenComplete)
1259	>	*/
1260	>	public void testHandle_sourceFailedActionFailed() {
1261		for (boolean createIncomplete : new boolean[] { true, false })
1262	<	for (Integer v1 : new Integer[] { 1, null })
1262	>	for (ExecutionMode m : ExecutionMode.values())
1263		{
889	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1264		final AtomicInteger a = new AtomicInteger(0);
1265	<	final CFException ex = new CFException();
1266	<	if (!createIncomplete) f.complete(v1);
1265	>	final CFException ex1 = new CFException();
1266	>	final CFException ex2 = new CFException();
1267	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1268	>
1269	>	if (!createIncomplete) f.completeExceptionally(ex1);
1270		final CompletableFuture<Integer> g = m.handle
1271		(f,
1272	<	(Integer x, Throwable t) -> {
1273	<	threadAssertSame(x, v1);
1274	<	threadAssertNull(t);
1272	>	(Integer result, Throwable t) -> {
1273	>	m.checkExecutionMode();
1274	>	assertNull(result);
1275	>	assertSame(ex1, t);
1276		a.getAndIncrement();
1277	<	throw ex;
1277	>	throw ex2;
1278		});
1279	<	if (createIncomplete) f.complete(v1);
1279	>	if (createIncomplete) f.completeExceptionally(ex1);
1280
1281	<	checkCompletedWithWrappedCFException(g, ex);
1282	<	checkCompletedNormally(f, v1);
1281	>	checkCompletedWithWrappedException(g, ex2);
1282	>	checkCompletedExceptionally(f, ex1);
1283		assertEquals(1, a.get());
1284		}}
1285
1286		/**
1287		* runAsync completes after running Runnable
1288		*/
1289	<	public void testRunAsync() {
1290	<	Noop r = new Noop();
1291	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1292	<	assertNull(f.join());
1293	<	assertEquals(1, r.invocationCount);
1294	<	checkCompletedNormally(f, null);
1295	<	}
1296	<
1297	<	/**
920	<	* runAsync with executor completes after running Runnable
921	<	*/
922	<	public void testRunAsync2() {
923	<	Noop r = new Noop();
924	<	ThreadExecutor exec = new ThreadExecutor();
925	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1289	>	public void testRunAsync_normalCompletion() {
1290	>	ExecutionMode[] executionModes = {
1291	>	ExecutionMode.ASYNC,
1292	>	ExecutionMode.EXECUTOR,
1293	>	};
1294	>	for (ExecutionMode m : executionModes)
1295	>	{
1296	>	final Noop r = new Noop(m);
1297	>	final CompletableFuture<Void> f = m.runAsync(r);
1298		assertNull(f.join());
927	–	assertEquals(1, r.invocationCount);
1299		checkCompletedNormally(f, null);
1300	<	assertEquals(1, exec.count.get());
1301	<	}
1300	>	r.assertInvoked();
1301	>	}}
1302
1303		/**
1304		* failing runAsync completes exceptionally after running Runnable
1305		*/
1306	<	public void testRunAsync3() {
1307	<	FailingRunnable r = new FailingRunnable();
1308	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1309	<	checkCompletedWithWrappedCFException(f);
1310	<	assertEquals(1, r.invocationCount);
1311	<	}
1306	>	public void testRunAsync_exceptionalCompletion() {
1307	>	ExecutionMode[] executionModes = {
1308	>	ExecutionMode.ASYNC,
1309	>	ExecutionMode.EXECUTOR,
1310	>	};
1311	>	for (ExecutionMode m : executionModes)
1312	>	{
1313	>	final FailingRunnable r = new FailingRunnable(m);
1314	>	final CompletableFuture<Void> f = m.runAsync(r);
1315	>	checkCompletedWithWrappedException(f, r.ex);
1316	>	r.assertInvoked();
1317	>	}}
1318
1319	<	/**
1320	<	* supplyAsync completes with result of supplier
1321	<	*/
1322	<	public void testSupplyAsync() {
1323	<	CompletableFuture<Integer> f;
1324	<	f = CompletableFuture.supplyAsync(supplyOne);
1325	<	assertEquals(f.join(), one);
1326	<	checkCompletedNormally(f, one);
1319	>	@SuppressWarnings("FutureReturnValueIgnored")
1320	>	public void testRunAsync_rejectingExecutor() {
1321	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1322	>	try {
1323	>	CompletableFuture.runAsync(() -> {}, e);
1324	>	shouldThrow();
1325	>	} catch (Throwable t) {
1326	>	assertSame(e.ex, t);
1327	>	}
1328	>
1329	>	assertEquals(1, e.count.get());
1330		}
1331
1332		/**
1333	<	* supplyAsync with executor completes with result of supplier
1333	>	* supplyAsync completes with result of supplier
1334		*/
1335	<	public void testSupplyAsync2() {
1336	<	CompletableFuture<Integer> f;
1337	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1338	<	assertEquals(f.join(), one);
1339	<	checkCompletedNormally(f, one);
1340	<	}
1335	>	public void testSupplyAsync_normalCompletion() {
1336	>	ExecutionMode[] executionModes = {
1337	>	ExecutionMode.ASYNC,
1338	>	ExecutionMode.EXECUTOR,
1339	>	};
1340	>	for (ExecutionMode m : executionModes)
1341	>	for (Integer v1 : new Integer[] { 1, null })
1342	>	{
1343	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1344	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1345	>	assertSame(v1, f.join());
1346	>	checkCompletedNormally(f, v1);
1347	>	r.assertInvoked();
1348	>	}}
1349
1350		/**
1351		* Failing supplyAsync completes exceptionally
1352		*/
1353	<	public void testSupplyAsync3() {
1354	<	FailingSupplier r = new FailingSupplier();
1355	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1356	<	checkCompletedWithWrappedCFException(f);
1357	<	assertEquals(1, r.invocationCount);
1353	>	public void testSupplyAsync_exceptionalCompletion() {
1354	>	ExecutionMode[] executionModes = {
1355	>	ExecutionMode.ASYNC,
1356	>	ExecutionMode.EXECUTOR,
1357	>	};
1358	>	for (ExecutionMode m : executionModes)
1359	>	{
1360	>	FailingSupplier r = new FailingSupplier(m);
1361	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1362	>	checkCompletedWithWrappedException(f, r.ex);
1363	>	r.assertInvoked();
1364	>	}}
1365	>
1366	>	@SuppressWarnings("FutureReturnValueIgnored")
1367	>	public void testSupplyAsync_rejectingExecutor() {
1368	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1369	>	try {
1370	>	CompletableFuture.supplyAsync(() -> null, e);
1371	>	shouldThrow();
1372	>	} catch (Throwable t) {
1373	>	assertSame(e.ex, t);
1374	>	}
1375	>
1376	>	assertEquals(1, e.count.get());
1377		}
1378
1379		// seq completion methods
#	Line 976 | Line 1383 | public class CompletableFutureTest exten
1383		*/
1384		public void testThenRun_normalCompletion() {
1385		for (ExecutionMode m : ExecutionMode.values())
979	–	for (boolean createIncomplete : new boolean[] { true, false })
1386		for (Integer v1 : new Integer[] { 1, null })
1387		{
1388		final CompletableFuture<Integer> f = new CompletableFuture<>();
1389	<	final Noop r = new Noop();
1390	<	if (!createIncomplete) f.complete(v1);
985	<	final CompletableFuture<Void> g = m.thenRun(f, r);
986	<	if (createIncomplete) {
987	<	checkIncomplete(g);
988	<	f.complete(v1);
989	<	}
1389	>	final Noop[] rs = new Noop[6];
1390	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1391
1392	<	checkCompletedNormally(g, null);
1392	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1393	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1394	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1395	>	checkIncomplete(h0);
1396	>	checkIncomplete(h1);
1397	>	checkIncomplete(h2);
1398	>	assertTrue(f.complete(v1));
1399	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1400	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1401	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1402	>
1403	>	checkCompletedNormally(h0, null);
1404	>	checkCompletedNormally(h1, null);
1405	>	checkCompletedNormally(h2, null);
1406	>	checkCompletedNormally(h3, null);
1407	>	checkCompletedNormally(h4, null);
1408	>	checkCompletedNormally(h5, null);
1409		checkCompletedNormally(f, v1);
1410	<	assertEquals(1, r.invocationCount);
1410	>	for (Noop r : rs) r.assertInvoked();
1411		}}
1412
1413		/**
#	Line 999 | Line 1416 | public class CompletableFutureTest exten
1416		*/
1417		public void testThenRun_exceptionalCompletion() {
1418		for (ExecutionMode m : ExecutionMode.values())
1002	–	for (boolean createIncomplete : new boolean[] { true, false })
1419		{
1420		final CFException ex = new CFException();
1421		final CompletableFuture<Integer> f = new CompletableFuture<>();
1422	<	final Noop r = new Noop();
1423	<	if (!createIncomplete) f.completeExceptionally(ex);
1008	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1009	<	if (createIncomplete) {
1010	<	checkIncomplete(g);
1011	<	f.completeExceptionally(ex);
1012	<	}
1422	>	final Noop[] rs = new Noop[6];
1423	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1424
1425	<	checkCompletedWithWrappedCFException(g, ex);
1426	<	checkCompletedWithWrappedCFException(f, ex);
1427	<	assertEquals(0, r.invocationCount);
1425	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1426	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1427	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1428	>	checkIncomplete(h0);
1429	>	checkIncomplete(h1);
1430	>	checkIncomplete(h2);
1431	>	assertTrue(f.completeExceptionally(ex));
1432	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1433	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1434	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1435	>
1436	>	checkCompletedWithWrappedException(h0, ex);
1437	>	checkCompletedWithWrappedException(h1, ex);
1438	>	checkCompletedWithWrappedException(h2, ex);
1439	>	checkCompletedWithWrappedException(h3, ex);
1440	>	checkCompletedWithWrappedException(h4, ex);
1441	>	checkCompletedWithWrappedException(h5, ex);
1442	>	checkCompletedExceptionally(f, ex);
1443	>	for (Noop r : rs) r.assertNotInvoked();
1444		}}
1445
1446		/**
#	Line 1021 | Line 1448 | public class CompletableFutureTest exten
1448		*/
1449		public void testThenRun_sourceCancelled() {
1450		for (ExecutionMode m : ExecutionMode.values())
1024	–	for (boolean createIncomplete : new boolean[] { true, false })
1451		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1452		{
1453		final CompletableFuture<Integer> f = new CompletableFuture<>();
1454	<	final Noop r = new Noop();
1455	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1030	<	final CompletableFuture<Void> g = f.thenRun(r);
1031	<	if (createIncomplete) {
1032	<	checkIncomplete(g);
1033	<	assertTrue(f.cancel(mayInterruptIfRunning));
1034	<	}
1454	>	final Noop[] rs = new Noop[6];
1455	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1456
1457	<	checkCompletedWithWrappedCancellationException(g);
1457	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1458	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1459	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1460	>	checkIncomplete(h0);
1461	>	checkIncomplete(h1);
1462	>	checkIncomplete(h2);
1463	>	assertTrue(f.cancel(mayInterruptIfRunning));
1464	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1465	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1466	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1467	>
1468	>	checkCompletedWithWrappedCancellationException(h0);
1469	>	checkCompletedWithWrappedCancellationException(h1);
1470	>	checkCompletedWithWrappedCancellationException(h2);
1471	>	checkCompletedWithWrappedCancellationException(h3);
1472	>	checkCompletedWithWrappedCancellationException(h4);
1473	>	checkCompletedWithWrappedCancellationException(h5);
1474		checkCancelled(f);
1475	<	assertEquals(0, r.invocationCount);
1475	>	for (Noop r : rs) r.assertNotInvoked();
1476		}}
1477
1478		/**
#	Line 1043 | Line 1480 | public class CompletableFutureTest exten
1480		*/
1481		public void testThenRun_actionFailed() {
1482		for (ExecutionMode m : ExecutionMode.values())
1046	–	for (boolean createIncomplete : new boolean[] { true, false })
1483		for (Integer v1 : new Integer[] { 1, null })
1484		{
1485		final CompletableFuture<Integer> f = new CompletableFuture<>();
1486	<	final FailingRunnable r = new FailingRunnable();
1487	<	if (!createIncomplete) f.complete(v1);
1052	<	final CompletableFuture<Void> g = f.thenRun(r);
1053	<	if (createIncomplete) {
1054	<	checkIncomplete(g);
1055	<	f.complete(v1);
1056	<	}
1486	>	final FailingRunnable[] rs = new FailingRunnable[6];
1487	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1488
1489	<	checkCompletedWithWrappedCFException(g);
1489	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1490	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1491	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1492	>	assertTrue(f.complete(v1));
1493	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1494	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1495	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1496	>
1497	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1498	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1499	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1500	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1501	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1502	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1503		checkCompletedNormally(f, v1);
1504		}}
1505
#	Line 1064 | Line 1508 | public class CompletableFutureTest exten
1508		*/
1509		public void testThenApply_normalCompletion() {
1510		for (ExecutionMode m : ExecutionMode.values())
1067	–	for (boolean createIncomplete : new boolean[] { true, false })
1511		for (Integer v1 : new Integer[] { 1, null })
1512		{
1513		final CompletableFuture<Integer> f = new CompletableFuture<>();
1514	<	final IncFunction r = new IncFunction();
1515	<	if (!createIncomplete) f.complete(v1);
1073	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1074	<	if (createIncomplete) {
1075	<	checkIncomplete(g);
1076	<	f.complete(v1);
1077	<	}
1514	>	final IncFunction[] rs = new IncFunction[4];
1515	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1516
1517	<	checkCompletedNormally(g, inc(v1));
1517	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1518	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1519	>	checkIncomplete(h0);
1520	>	checkIncomplete(h1);
1521	>	assertTrue(f.complete(v1));
1522	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1523	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedNormally(h0, inc(v1));
1526	>	checkCompletedNormally(h1, inc(v1));
1527	>	checkCompletedNormally(h2, inc(v1));
1528	>	checkCompletedNormally(h3, inc(v1));
1529		checkCompletedNormally(f, v1);
1530	<	assertEquals(1, r.invocationCount);
1530	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1531		}}
1532
1533		/**
#	Line 1087 | Line 1536 | public class CompletableFutureTest exten
1536		*/
1537		public void testThenApply_exceptionalCompletion() {
1538		for (ExecutionMode m : ExecutionMode.values())
1090	–	for (boolean createIncomplete : new boolean[] { true, false })
1539		{
1540		final CFException ex = new CFException();
1541		final CompletableFuture<Integer> f = new CompletableFuture<>();
1542	<	final IncFunction r = new IncFunction();
1543	<	if (!createIncomplete) f.completeExceptionally(ex);
1096	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1097	<	if (createIncomplete) {
1098	<	checkIncomplete(g);
1099	<	f.completeExceptionally(ex);
1100	<	}
1542	>	final IncFunction[] rs = new IncFunction[4];
1543	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1544
1545	<	checkCompletedWithWrappedCFException(g, ex);
1546	<	checkCompletedWithWrappedCFException(f, ex);
1547	<	assertEquals(0, r.invocationCount);
1545	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1546	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1547	>	assertTrue(f.completeExceptionally(ex));
1548	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1549	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1550	>
1551	>	checkCompletedWithWrappedException(h0, ex);
1552	>	checkCompletedWithWrappedException(h1, ex);
1553	>	checkCompletedWithWrappedException(h2, ex);
1554	>	checkCompletedWithWrappedException(h3, ex);
1555	>	checkCompletedExceptionally(f, ex);
1556	>	for (IncFunction r : rs) r.assertNotInvoked();
1557		}}
1558
1559		/**
#	Line 1109 | Line 1561 | public class CompletableFutureTest exten
1561		*/
1562		public void testThenApply_sourceCancelled() {
1563		for (ExecutionMode m : ExecutionMode.values())
1112	–	for (boolean createIncomplete : new boolean[] { true, false })
1564		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1565		{
1566		final CompletableFuture<Integer> f = new CompletableFuture<>();
1567	<	final IncFunction r = new IncFunction();
1568	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1118	<	final CompletableFuture<Integer> g = f.thenApply(r);
1119	<	if (createIncomplete) {
1120	<	checkIncomplete(g);
1121	<	assertTrue(f.cancel(mayInterruptIfRunning));
1122	<	}
1567	>	final IncFunction[] rs = new IncFunction[4];
1568	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1569
1570	<	checkCompletedWithWrappedCancellationException(g);
1570	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1571	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1572	>	assertTrue(f.cancel(mayInterruptIfRunning));
1573	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1574	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1575	>
1576	>	checkCompletedWithWrappedCancellationException(h0);
1577	>	checkCompletedWithWrappedCancellationException(h1);
1578	>	checkCompletedWithWrappedCancellationException(h2);
1579	>	checkCompletedWithWrappedCancellationException(h3);
1580		checkCancelled(f);
1581	<	assertEquals(0, r.invocationCount);
1581	>	for (IncFunction r : rs) r.assertNotInvoked();
1582		}}
1583
1584		/**
#	Line 1131 | Line 1586 | public class CompletableFutureTest exten
1586		*/
1587		public void testThenApply_actionFailed() {
1588		for (ExecutionMode m : ExecutionMode.values())
1134	–	for (boolean createIncomplete : new boolean[] { true, false })
1589		for (Integer v1 : new Integer[] { 1, null })
1590		{
1591		final CompletableFuture<Integer> f = new CompletableFuture<>();
1592	<	final FailingFunction r = new FailingFunction();
1593	<	if (!createIncomplete) f.complete(v1);
1140	<	final CompletableFuture<Integer> g = f.thenApply(r);
1141	<	if (createIncomplete) {
1142	<	checkIncomplete(g);
1143	<	f.complete(v1);
1144	<	}
1592	>	final FailingFunction[] rs = new FailingFunction[4];
1593	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1594
1595	<	checkCompletedWithWrappedCFException(g);
1595	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1596	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1597	>	assertTrue(f.complete(v1));
1598	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1599	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1600	>
1601	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1602	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1603	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1604	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1605		checkCompletedNormally(f, v1);
1606		}}
1607
#	Line 1152 | Line 1610 | public class CompletableFutureTest exten
1610		*/
1611		public void testThenAccept_normalCompletion() {
1612		for (ExecutionMode m : ExecutionMode.values())
1155	–	for (boolean createIncomplete : new boolean[] { true, false })
1613		for (Integer v1 : new Integer[] { 1, null })
1614		{
1615		final CompletableFuture<Integer> f = new CompletableFuture<>();
1616	<	final IncAction r = new IncAction();
1617	<	if (!createIncomplete) f.complete(v1);
1161	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1162	<	if (createIncomplete) {
1163	<	checkIncomplete(g);
1164	<	f.complete(v1);
1165	<	}
1616	>	final NoopConsumer[] rs = new NoopConsumer[4];
1617	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1618
1619	<	checkCompletedNormally(g, null);
1619	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1620	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1621	>	checkIncomplete(h0);
1622	>	checkIncomplete(h1);
1623	>	assertTrue(f.complete(v1));
1624	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1625	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1626	>
1627	>	checkCompletedNormally(h0, null);
1628	>	checkCompletedNormally(h1, null);
1629	>	checkCompletedNormally(h2, null);
1630	>	checkCompletedNormally(h3, null);
1631		checkCompletedNormally(f, v1);
1632	<	assertEquals(1, r.invocationCount);
1170	<	assertEquals(inc(v1), r.value);
1632	>	for (NoopConsumer r : rs) r.assertValue(v1);
1633		}}
1634
1635		/**
#	Line 1176 | Line 1638 | public class CompletableFutureTest exten
1638		*/
1639		public void testThenAccept_exceptionalCompletion() {
1640		for (ExecutionMode m : ExecutionMode.values())
1179	–	for (boolean createIncomplete : new boolean[] { true, false })
1641		{
1642		final CFException ex = new CFException();
1643		final CompletableFuture<Integer> f = new CompletableFuture<>();
1644	<	final IncAction r = new IncAction();
1645	<	if (!createIncomplete) f.completeExceptionally(ex);
1185	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1186	<	if (createIncomplete) {
1187	<	checkIncomplete(g);
1188	<	f.completeExceptionally(ex);
1189	<	}
1644	>	final NoopConsumer[] rs = new NoopConsumer[4];
1645	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1646
1647	<	checkCompletedWithWrappedCFException(g, ex);
1648	<	checkCompletedWithWrappedCFException(f, ex);
1649	<	assertEquals(0, r.invocationCount);
1647	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1648	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1649	>	assertTrue(f.completeExceptionally(ex));
1650	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1651	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1652	>
1653	>	checkCompletedWithWrappedException(h0, ex);
1654	>	checkCompletedWithWrappedException(h1, ex);
1655	>	checkCompletedWithWrappedException(h2, ex);
1656	>	checkCompletedWithWrappedException(h3, ex);
1657	>	checkCompletedExceptionally(f, ex);
1658	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1659		}}
1660
1661		/**
1662	<	* thenAccept result completes exceptionally if action does
1662	>	* thenAccept result completes exceptionally if source cancelled
1663		*/
1664	<	public void testThenAccept_actionFailed() {
1664	>	public void testThenAccept_sourceCancelled() {
1665		for (ExecutionMode m : ExecutionMode.values())
1666	<	for (boolean createIncomplete : new boolean[] { true, false })
1202	<	for (Integer v1 : new Integer[] { 1, null })
1666	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1667		{
1668		final CompletableFuture<Integer> f = new CompletableFuture<>();
1669	<	final FailingConsumer r = new FailingConsumer();
1670	<	if (!createIncomplete) f.complete(v1);
1207	<	final CompletableFuture<Void> g = f.thenAccept(r);
1208	<	if (createIncomplete) {
1209	<	checkIncomplete(g);
1210	<	f.complete(v1);
1211	<	}
1669	>	final NoopConsumer[] rs = new NoopConsumer[4];
1670	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1671
1672	<	checkCompletedWithWrappedCFException(g);
1673	<	checkCompletedNormally(f, v1);
1672	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1673	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1674	>	assertTrue(f.cancel(mayInterruptIfRunning));
1675	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1676	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1677	>
1678	>	checkCompletedWithWrappedCancellationException(h0);
1679	>	checkCompletedWithWrappedCancellationException(h1);
1680	>	checkCompletedWithWrappedCancellationException(h2);
1681	>	checkCompletedWithWrappedCancellationException(h3);
1682	>	checkCancelled(f);
1683	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1684		}}
1685
1686		/**
1687	<	* thenAccept result completes exceptionally if source cancelled
1687	>	* thenAccept result completes exceptionally if action does
1688		*/
1689	<	public void testThenAccept_sourceCancelled() {
1689	>	public void testThenAccept_actionFailed() {
1690		for (ExecutionMode m : ExecutionMode.values())
1691	<	for (boolean createIncomplete : new boolean[] { true, false })
1223	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1691	>	for (Integer v1 : new Integer[] { 1, null })
1692		{
1693		final CompletableFuture<Integer> f = new CompletableFuture<>();
1694	<	final IncAction r = new IncAction();
1695	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1228	<	final CompletableFuture<Void> g = f.thenAccept(r);
1229	<	if (createIncomplete) {
1230	<	checkIncomplete(g);
1231	<	assertTrue(f.cancel(mayInterruptIfRunning));
1232	<	}
1694	>	final FailingConsumer[] rs = new FailingConsumer[4];
1695	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1696
1697	<	checkCompletedWithWrappedCancellationException(g);
1698	<	checkCancelled(f);
1699	<	assertEquals(0, r.invocationCount);
1697	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1698	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1699	>	assertTrue(f.complete(v1));
1700	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1701	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1702	>
1703	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1704	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1705	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1706	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1707	>	checkCompletedNormally(f, v1);
1708		}}
1709
1710		/**
#	Line 1242 | Line 1713 | public class CompletableFutureTest exten
1713		*/
1714		public void testThenCombine_normalCompletion() {
1715		for (ExecutionMode m : ExecutionMode.values())
1245	–	for (boolean createIncomplete : new boolean[] { true, false })
1716		for (boolean fFirst : new boolean[] { true, false })
1717		for (Integer v1 : new Integer[] { 1, null })
1718		for (Integer v2 : new Integer[] { 2, null })
1719		{
1720		final CompletableFuture<Integer> f = new CompletableFuture<>();
1721		final CompletableFuture<Integer> g = new CompletableFuture<>();
1722	<	final SubtractFunction r = new SubtractFunction();
1722	>	final SubtractFunction[] rs = new SubtractFunction[6];
1723	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1724
1725	<	if (fFirst) f.complete(v1); else g.complete(v2);
1726	<	if (!createIncomplete)
1727	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1728	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1729	<	if (createIncomplete) {
1730	<	checkIncomplete(h);
1731	<	assertEquals(0, r.invocationCount);
1732	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1733	<	}
1725	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1726	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1727	>	final Integer w1 =  fFirst ? v1 : v2;
1728	>	final Integer w2 = !fFirst ? v1 : v2;
1729	>
1730	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1731	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1732	>	assertTrue(fst.complete(w1));
1733	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1734	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1735	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1736	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1737	>	checkCompletedNormally(h1, subtract(w1, w1));
1738	>	checkCompletedNormally(h3, subtract(w1, w1));
1739	>	rs[1].assertValue(subtract(w1, w1));
1740	>	rs[3].assertValue(subtract(w1, w1));
1741	>	assertTrue(snd.complete(w2));
1742	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1743	>
1744	>	checkCompletedNormally(h0, subtract(v1, v2));
1745	>	checkCompletedNormally(h2, subtract(v1, v2));
1746	>	checkCompletedNormally(h4, subtract(v1, v2));
1747	>	rs[0].assertValue(subtract(v1, v2));
1748	>	rs[2].assertValue(subtract(v1, v2));
1749	>	rs[4].assertValue(subtract(v1, v2));
1750
1264	–	checkCompletedNormally(h, subtract(v1, v2));
1751		checkCompletedNormally(f, v1);
1752		checkCompletedNormally(g, v2);
1267	–	assertEquals(1, r.invocationCount);
1753		}}
1754
1755		/**
1756		* thenCombine result completes exceptionally after exceptional
1757		* completion of either source
1758		*/
1759	<	public void testThenCombine_exceptionalCompletion() {
1759	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1760		for (ExecutionMode m : ExecutionMode.values())
1276	–	for (boolean createIncomplete : new boolean[] { true, false })
1761		for (boolean fFirst : new boolean[] { true, false })
1762	+	for (boolean failFirst : new boolean[] { true, false })
1763		for (Integer v1 : new Integer[] { 1, null })
1764		{
1765		final CompletableFuture<Integer> f = new CompletableFuture<>();
1766		final CompletableFuture<Integer> g = new CompletableFuture<>();
1767		final CFException ex = new CFException();
1768	<	final SubtractFunction r = new SubtractFunction();
1769	<
1770	<	(fFirst ? f : g).complete(v1);
1771	<	if (!createIncomplete)
1772	<	(!fFirst ? f : g).completeExceptionally(ex);
1773	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1774	<	if (createIncomplete) {
1775	<	checkIncomplete(h);
1776	<	(!fFirst ? f : g).completeExceptionally(ex);
1777	<	}
1778	<
1779	<	checkCompletedWithWrappedCFException(h, ex);
1780	<	assertEquals(0, r.invocationCount);
1781	<	checkCompletedNormally(fFirst ? f : g, v1);
1782	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1768	>	final SubtractFunction r1 = new SubtractFunction(m);
1769	>	final SubtractFunction r2 = new SubtractFunction(m);
1770	>	final SubtractFunction r3 = new SubtractFunction(m);
1771	>
1772	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1773	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1774	>	final Callable<Boolean> complete1 = failFirst ?
1775	>	() -> fst.completeExceptionally(ex) :
1776	>	() -> fst.complete(v1);
1777	>	final Callable<Boolean> complete2 = failFirst ?
1778	>	() -> snd.complete(v1) :
1779	>	() -> snd.completeExceptionally(ex);
1780	>
1781	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1782	>	assertTrue(complete1.call());
1783	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1784	>	checkIncomplete(h1);
1785	>	checkIncomplete(h2);
1786	>	assertTrue(complete2.call());
1787	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1788	>
1789	>	checkCompletedWithWrappedException(h1, ex);
1790	>	checkCompletedWithWrappedException(h2, ex);
1791	>	checkCompletedWithWrappedException(h3, ex);
1792	>	r1.assertNotInvoked();
1793	>	r2.assertNotInvoked();
1794	>	r3.assertNotInvoked();
1795	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1796	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1797		}}
1798
1799		/**
1800	<	* thenCombine result completes exceptionally if action does
1800	>	* thenCombine result completes exceptionally if either source cancelled
1801		*/
1802	<	public void testThenCombine_actionFailed() {
1802	>	public void testThenCombine_sourceCancelled() throws Throwable {
1803		for (ExecutionMode m : ExecutionMode.values())
1804	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1805		for (boolean fFirst : new boolean[] { true, false })
1806	+	for (boolean failFirst : new boolean[] { true, false })
1807		for (Integer v1 : new Integer[] { 1, null })
1307	–	for (Integer v2 : new Integer[] { 2, null })
1808		{
1809		final CompletableFuture<Integer> f = new CompletableFuture<>();
1810		final CompletableFuture<Integer> g = new CompletableFuture<>();
1811	<	final FailingBiFunction r = new FailingBiFunction();
1812	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1813	<
1814	<	if (fFirst) {
1815	<	f.complete(v1);
1816	<	g.complete(v2);
1817	<	} else {
1818	<	g.complete(v2);
1819	<	f.complete(v1);
1820	<	}
1821	<
1822	<	checkCompletedWithWrappedCFException(h);
1823	<	checkCompletedNormally(f, v1);
1824	<	checkCompletedNormally(g, v2);
1811	>	final SubtractFunction r1 = new SubtractFunction(m);
1812	>	final SubtractFunction r2 = new SubtractFunction(m);
1813	>	final SubtractFunction r3 = new SubtractFunction(m);
1814	>
1815	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1816	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1817	>	final Callable<Boolean> complete1 = failFirst ?
1818	>	() -> fst.cancel(mayInterruptIfRunning) :
1819	>	() -> fst.complete(v1);
1820	>	final Callable<Boolean> complete2 = failFirst ?
1821	>	() -> snd.complete(v1) :
1822	>	() -> snd.cancel(mayInterruptIfRunning);
1823	>
1824	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1825	>	assertTrue(complete1.call());
1826	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1827	>	checkIncomplete(h1);
1828	>	checkIncomplete(h2);
1829	>	assertTrue(complete2.call());
1830	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1831	>
1832	>	checkCompletedWithWrappedCancellationException(h1);
1833	>	checkCompletedWithWrappedCancellationException(h2);
1834	>	checkCompletedWithWrappedCancellationException(h3);
1835	>	r1.assertNotInvoked();
1836	>	r2.assertNotInvoked();
1837	>	r3.assertNotInvoked();
1838	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1839	>	checkCancelled(failFirst ? fst : snd);
1840		}}
1841
1842		/**
1843	<	* thenCombine result completes exceptionally if either source cancelled
1843	>	* thenCombine result completes exceptionally if action does
1844		*/
1845	<	public void testThenCombine_sourceCancelled() {
1845	>	public void testThenCombine_actionFailed() {
1846		for (ExecutionMode m : ExecutionMode.values())
1332	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1333	–	for (boolean createIncomplete : new boolean[] { true, false })
1847		for (boolean fFirst : new boolean[] { true, false })
1848		for (Integer v1 : new Integer[] { 1, null })
1849	+	for (Integer v2 : new Integer[] { 2, null })
1850		{
1851		final CompletableFuture<Integer> f = new CompletableFuture<>();
1852		final CompletableFuture<Integer> g = new CompletableFuture<>();
1853	<	final SubtractFunction r = new SubtractFunction();
1854	<
1855	<	(fFirst ? f : g).complete(v1);
1856	<	if (!createIncomplete)
1857	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1858	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1859	<	if (createIncomplete) {
1860	<	checkIncomplete(h);
1861	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1862	<	}
1863	<
1864	<	checkCompletedWithWrappedCancellationException(h);
1865	<	checkCancelled(!fFirst ? f : g);
1866	<	assertEquals(0, r.invocationCount);
1867	<	checkCompletedNormally(fFirst ? f : g, v1);
1853	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1854	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1855	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1856	>
1857	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1858	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1859	>	final Integer w1 =  fFirst ? v1 : v2;
1860	>	final Integer w2 = !fFirst ? v1 : v2;
1861	>
1862	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1863	>	assertTrue(fst.complete(w1));
1864	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1865	>	assertTrue(snd.complete(w2));
1866	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1867	>
1868	>	checkCompletedWithWrappedException(h1, r1.ex);
1869	>	checkCompletedWithWrappedException(h2, r2.ex);
1870	>	checkCompletedWithWrappedException(h3, r3.ex);
1871	>	r1.assertInvoked();
1872	>	r2.assertInvoked();
1873	>	r3.assertInvoked();
1874	>	checkCompletedNormally(f, v1);
1875	>	checkCompletedNormally(g, v2);
1876		}}
1877
1878		/**
#	Line 1359 | Line 1881 | public class CompletableFutureTest exten
1881		*/
1882		public void testThenAcceptBoth_normalCompletion() {
1883		for (ExecutionMode m : ExecutionMode.values())
1362	–	for (boolean createIncomplete : new boolean[] { true, false })
1884		for (boolean fFirst : new boolean[] { true, false })
1885		for (Integer v1 : new Integer[] { 1, null })
1886		for (Integer v2 : new Integer[] { 2, null })
1887		{
1888		final CompletableFuture<Integer> f = new CompletableFuture<>();
1889		final CompletableFuture<Integer> g = new CompletableFuture<>();
1890	<	final SubtractAction r = new SubtractAction();
1891	<
1892	<	if (fFirst) f.complete(v1); else g.complete(v2);
1893	<	if (!createIncomplete)
1894	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1895	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1896	<	if (createIncomplete) {
1897	<	checkIncomplete(h);
1898	<	assertEquals(0, r.invocationCount);
1899	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1900	<	}
1901	<
1902	<	checkCompletedNormally(h, null);
1903	<	assertEquals(subtract(v1, v2), r.value);
1890	>	final SubtractAction r1 = new SubtractAction(m);
1891	>	final SubtractAction r2 = new SubtractAction(m);
1892	>	final SubtractAction r3 = new SubtractAction(m);
1893	>
1894	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1895	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1896	>	final Integer w1 =  fFirst ? v1 : v2;
1897	>	final Integer w2 = !fFirst ? v1 : v2;
1898	>
1899	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1900	>	assertTrue(fst.complete(w1));
1901	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1902	>	checkIncomplete(h1);
1903	>	checkIncomplete(h2);
1904	>	r1.assertNotInvoked();
1905	>	r2.assertNotInvoked();
1906	>	assertTrue(snd.complete(w2));
1907	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1908	>
1909	>	checkCompletedNormally(h1, null);
1910	>	checkCompletedNormally(h2, null);
1911	>	checkCompletedNormally(h3, null);
1912	>	r1.assertValue(subtract(v1, v2));
1913	>	r2.assertValue(subtract(v1, v2));
1914	>	r3.assertValue(subtract(v1, v2));
1915		checkCompletedNormally(f, v1);
1916		checkCompletedNormally(g, v2);
1917		}}
#	Line 1388 | Line 1920 | public class CompletableFutureTest exten
1920		* thenAcceptBoth result completes exceptionally after exceptional
1921		* completion of either source
1922		*/
1923	<	public void testThenAcceptBoth_exceptionalCompletion() {
1923	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1924		for (ExecutionMode m : ExecutionMode.values())
1393	–	for (boolean createIncomplete : new boolean[] { true, false })
1925		for (boolean fFirst : new boolean[] { true, false })
1926	+	for (boolean failFirst : new boolean[] { true, false })
1927		for (Integer v1 : new Integer[] { 1, null })
1928		{
1929		final CompletableFuture<Integer> f = new CompletableFuture<>();
1930		final CompletableFuture<Integer> g = new CompletableFuture<>();
1931		final CFException ex = new CFException();
1932	<	final SubtractAction r = new SubtractAction();
1933	<
1934	<	(fFirst ? f : g).complete(v1);
1935	<	if (!createIncomplete)
1936	<	(!fFirst ? f : g).completeExceptionally(ex);
1937	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1938	<	if (createIncomplete) {
1939	<	checkIncomplete(h);
1940	<	(!fFirst ? f : g).completeExceptionally(ex);
1941	<	}
1942	<
1943	<	checkCompletedWithWrappedCFException(h, ex);
1944	<	assertEquals(0, r.invocationCount);
1945	<	checkCompletedNormally(fFirst ? f : g, v1);
1946	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1932	>	final SubtractAction r1 = new SubtractAction(m);
1933	>	final SubtractAction r2 = new SubtractAction(m);
1934	>	final SubtractAction r3 = new SubtractAction(m);
1935	>
1936	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1937	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1938	>	final Callable<Boolean> complete1 = failFirst ?
1939	>	() -> fst.completeExceptionally(ex) :
1940	>	() -> fst.complete(v1);
1941	>	final Callable<Boolean> complete2 = failFirst ?
1942	>	() -> snd.complete(v1) :
1943	>	() -> snd.completeExceptionally(ex);
1944	>
1945	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1946	>	assertTrue(complete1.call());
1947	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1948	>	checkIncomplete(h1);
1949	>	checkIncomplete(h2);
1950	>	assertTrue(complete2.call());
1951	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1952	>
1953	>	checkCompletedWithWrappedException(h1, ex);
1954	>	checkCompletedWithWrappedException(h2, ex);
1955	>	checkCompletedWithWrappedException(h3, ex);
1956	>	r1.assertNotInvoked();
1957	>	r2.assertNotInvoked();
1958	>	r3.assertNotInvoked();
1959	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1960	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1961		}}
1962
1963		/**
1964	<	* thenAcceptBoth result completes exceptionally if action does
1964	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1965		*/
1966	<	public void testThenAcceptBoth_actionFailed() {
1966	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1967		for (ExecutionMode m : ExecutionMode.values())
1968	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1969		for (boolean fFirst : new boolean[] { true, false })
1970	+	for (boolean failFirst : new boolean[] { true, false })
1971		for (Integer v1 : new Integer[] { 1, null })
1424	–	for (Integer v2 : new Integer[] { 2, null })
1972		{
1973		final CompletableFuture<Integer> f = new CompletableFuture<>();
1974		final CompletableFuture<Integer> g = new CompletableFuture<>();
1975	<	final FailingBiConsumer r = new FailingBiConsumer();
1976	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1977	<
1978	<	if (fFirst) {
1979	<	f.complete(v1);
1980	<	g.complete(v2);
1981	<	} else {
1982	<	g.complete(v2);
1983	<	f.complete(v1);
1984	<	}
1985	<
1986	<	checkCompletedWithWrappedCFException(h);
1987	<	checkCompletedNormally(f, v1);
1988	<	checkCompletedNormally(g, v2);
1975	>	final SubtractAction r1 = new SubtractAction(m);
1976	>	final SubtractAction r2 = new SubtractAction(m);
1977	>	final SubtractAction r3 = new SubtractAction(m);
1978	>
1979	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1980	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1981	>	final Callable<Boolean> complete1 = failFirst ?
1982	>	() -> fst.cancel(mayInterruptIfRunning) :
1983	>	() -> fst.complete(v1);
1984	>	final Callable<Boolean> complete2 = failFirst ?
1985	>	() -> snd.complete(v1) :
1986	>	() -> snd.cancel(mayInterruptIfRunning);
1987	>
1988	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1989	>	assertTrue(complete1.call());
1990	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1991	>	checkIncomplete(h1);
1992	>	checkIncomplete(h2);
1993	>	assertTrue(complete2.call());
1994	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1995	>
1996	>	checkCompletedWithWrappedCancellationException(h1);
1997	>	checkCompletedWithWrappedCancellationException(h2);
1998	>	checkCompletedWithWrappedCancellationException(h3);
1999	>	r1.assertNotInvoked();
2000	>	r2.assertNotInvoked();
2001	>	r3.assertNotInvoked();
2002	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2003	>	checkCancelled(failFirst ? fst : snd);
2004		}}
2005
2006		/**
2007	<	* thenAcceptBoth result completes exceptionally if either source cancelled
2007	>	* thenAcceptBoth result completes exceptionally if action does
2008		*/
2009	<	public void testThenAcceptBoth_sourceCancelled() {
2009	>	public void testThenAcceptBoth_actionFailed() {
2010		for (ExecutionMode m : ExecutionMode.values())
1449	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1450	–	for (boolean createIncomplete : new boolean[] { true, false })
2011		for (boolean fFirst : new boolean[] { true, false })
2012		for (Integer v1 : new Integer[] { 1, null })
2013	+	for (Integer v2 : new Integer[] { 2, null })
2014		{
2015		final CompletableFuture<Integer> f = new CompletableFuture<>();
2016		final CompletableFuture<Integer> g = new CompletableFuture<>();
2017	<	final SubtractAction r = new SubtractAction();
2018	<
2019	<	(fFirst ? f : g).complete(v1);
2020	<	if (!createIncomplete)
2021	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2022	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2023	<	if (createIncomplete) {
2024	<	checkIncomplete(h);
2025	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2026	<	}
2027	<
2028	<	checkCompletedWithWrappedCancellationException(h);
2029	<	checkCancelled(!fFirst ? f : g);
2030	<	assertEquals(0, r.invocationCount);
2031	<	checkCompletedNormally(fFirst ? f : g, v1);
2017	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2018	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2019	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2020	>
2021	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2022	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2023	>	final Integer w1 =  fFirst ? v1 : v2;
2024	>	final Integer w2 = !fFirst ? v1 : v2;
2025	>
2026	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2027	>	assertTrue(fst.complete(w1));
2028	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2029	>	assertTrue(snd.complete(w2));
2030	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2031	>
2032	>	checkCompletedWithWrappedException(h1, r1.ex);
2033	>	checkCompletedWithWrappedException(h2, r2.ex);
2034	>	checkCompletedWithWrappedException(h3, r3.ex);
2035	>	r1.assertInvoked();
2036	>	r2.assertInvoked();
2037	>	r3.assertInvoked();
2038	>	checkCompletedNormally(f, v1);
2039	>	checkCompletedNormally(g, v2);
2040		}}
2041
2042		/**
#	Line 1476 | Line 2045 | public class CompletableFutureTest exten
2045		*/
2046		public void testRunAfterBoth_normalCompletion() {
2047		for (ExecutionMode m : ExecutionMode.values())
1479	–	for (boolean createIncomplete : new boolean[] { true, false })
2048		for (boolean fFirst : new boolean[] { true, false })
2049		for (Integer v1 : new Integer[] { 1, null })
2050		for (Integer v2 : new Integer[] { 2, null })
2051		{
2052		final CompletableFuture<Integer> f = new CompletableFuture<>();
2053		final CompletableFuture<Integer> g = new CompletableFuture<>();
2054	<	final Noop r = new Noop();
2055	<
2056	<	if (fFirst) f.complete(v1); else g.complete(v2);
2057	<	if (!createIncomplete)
2058	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2059	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2060	<	if (createIncomplete) {
2061	<	checkIncomplete(h);
2062	<	assertEquals(0, r.invocationCount);
2063	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2064	<	}
2065	<
2066	<	checkCompletedNormally(h, null);
2067	<	assertEquals(1, r.invocationCount);
2054	>	final Noop r1 = new Noop(m);
2055	>	final Noop r2 = new Noop(m);
2056	>	final Noop r3 = new Noop(m);
2057	>
2058	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2059	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2060	>	final Integer w1 =  fFirst ? v1 : v2;
2061	>	final Integer w2 = !fFirst ? v1 : v2;
2062	>
2063	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2064	>	assertTrue(fst.complete(w1));
2065	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2066	>	checkIncomplete(h1);
2067	>	checkIncomplete(h2);
2068	>	r1.assertNotInvoked();
2069	>	r2.assertNotInvoked();
2070	>	assertTrue(snd.complete(w2));
2071	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2072	>
2073	>	checkCompletedNormally(h1, null);
2074	>	checkCompletedNormally(h2, null);
2075	>	checkCompletedNormally(h3, null);
2076	>	r1.assertInvoked();
2077	>	r2.assertInvoked();
2078	>	r3.assertInvoked();
2079		checkCompletedNormally(f, v1);
2080		checkCompletedNormally(g, v2);
2081		}}
#	Line 1505 | Line 2084 | public class CompletableFutureTest exten
2084		* runAfterBoth result completes exceptionally after exceptional
2085		* completion of either source
2086		*/
2087	<	public void testRunAfterBoth_exceptionalCompletion() {
2087	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2088		for (ExecutionMode m : ExecutionMode.values())
1510	–	for (boolean createIncomplete : new boolean[] { true, false })
2089		for (boolean fFirst : new boolean[] { true, false })
2090	+	for (boolean failFirst : new boolean[] { true, false })
2091		for (Integer v1 : new Integer[] { 1, null })
2092		{
2093		final CompletableFuture<Integer> f = new CompletableFuture<>();
2094		final CompletableFuture<Integer> g = new CompletableFuture<>();
2095		final CFException ex = new CFException();
2096	<	final Noop r = new Noop();
2097	<
2098	<	(fFirst ? f : g).complete(v1);
2099	<	if (!createIncomplete)
2100	<	(!fFirst ? f : g).completeExceptionally(ex);
2101	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2102	<	if (createIncomplete) {
2103	<	checkIncomplete(h);
2104	<	(!fFirst ? f : g).completeExceptionally(ex);
2105	<	}
2106	<
2107	<	checkCompletedWithWrappedCFException(h, ex);
2108	<	assertEquals(0, r.invocationCount);
2109	<	checkCompletedNormally(fFirst ? f : g, v1);
2110	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2111	<	}}
2112	<
2113	<	/**
2114	<	* runAfterBoth result completes exceptionally if action does
2115	<	*/
2116	<	public void testRunAfterBoth_actionFailed() {
2117	<	for (ExecutionMode m : ExecutionMode.values())
2118	<	for (boolean fFirst : new boolean[] { true, false })
2119	<	for (Integer v1 : new Integer[] { 1, null })
2120	<	for (Integer v2 : new Integer[] { 2, null })
2121	<	{
2122	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2123	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2124	<	final FailingRunnable r = new FailingRunnable();
1546	<
1547	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r);
1548	<	if (fFirst) {
1549	<	f.complete(v1);
1550	<	g.complete(v2);
1551	<	} else {
1552	<	g.complete(v2);
1553	<	f.complete(v1);
1554	<	}
1555	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r);
1556	<
1557	<	checkCompletedWithWrappedCFException(h1);
1558	<	checkCompletedWithWrappedCFException(h2);
1559	<	checkCompletedNormally(f, v1);
1560	<	checkCompletedNormally(g, v2);
2096	>	final Noop r1 = new Noop(m);
2097	>	final Noop r2 = new Noop(m);
2098	>	final Noop r3 = new Noop(m);
2099	>
2100	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2101	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2102	>	final Callable<Boolean> complete1 = failFirst ?
2103	>	() -> fst.completeExceptionally(ex) :
2104	>	() -> fst.complete(v1);
2105	>	final Callable<Boolean> complete2 = failFirst ?
2106	>	() -> snd.complete(v1) :
2107	>	() -> snd.completeExceptionally(ex);
2108	>
2109	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2110	>	assertTrue(complete1.call());
2111	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2112	>	checkIncomplete(h1);
2113	>	checkIncomplete(h2);
2114	>	assertTrue(complete2.call());
2115	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2116	>
2117	>	checkCompletedWithWrappedException(h1, ex);
2118	>	checkCompletedWithWrappedException(h2, ex);
2119	>	checkCompletedWithWrappedException(h3, ex);
2120	>	r1.assertNotInvoked();
2121	>	r2.assertNotInvoked();
2122	>	r3.assertNotInvoked();
2123	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2124	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2125		}}
2126
2127		/**
2128		* runAfterBoth result completes exceptionally if either source cancelled
2129		*/
2130	<	public void testRunAfterBoth_sourceCancelled() {
2130	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2131		for (ExecutionMode m : ExecutionMode.values())
2132		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1569	–	for (boolean createIncomplete : new boolean[] { true, false })
2133		for (boolean fFirst : new boolean[] { true, false })
2134	+	for (boolean failFirst : new boolean[] { true, false })
2135		for (Integer v1 : new Integer[] { 1, null })
2136		{
2137		final CompletableFuture<Integer> f = new CompletableFuture<>();
2138		final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	<	final Noop r = new Noop();
2140	<
2141	<
2142	<	(fFirst ? f : g).complete(v1);
2143	<	if (!createIncomplete)
2144	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2145	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2146	<	if (createIncomplete) {
2147	<	checkIncomplete(h);
2148	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2149	<	}
2150	<
2151	<	checkCompletedWithWrappedCancellationException(h);
2152	<	checkCancelled(!fFirst ? f : g);
2153	<	assertEquals(0, r.invocationCount);
2154	<	checkCompletedNormally(fFirst ? f : g, v1);
2139	>	final Noop r1 = new Noop(m);
2140	>	final Noop r2 = new Noop(m);
2141	>	final Noop r3 = new Noop(m);
2142	>
2143	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2144	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2145	>	final Callable<Boolean> complete1 = failFirst ?
2146	>	() -> fst.cancel(mayInterruptIfRunning) :
2147	>	() -> fst.complete(v1);
2148	>	final Callable<Boolean> complete2 = failFirst ?
2149	>	() -> snd.complete(v1) :
2150	>	() -> snd.cancel(mayInterruptIfRunning);
2151	>
2152	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2153	>	assertTrue(complete1.call());
2154	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2155	>	checkIncomplete(h1);
2156	>	checkIncomplete(h2);
2157	>	assertTrue(complete2.call());
2158	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2159	>
2160	>	checkCompletedWithWrappedCancellationException(h1);
2161	>	checkCompletedWithWrappedCancellationException(h2);
2162	>	checkCompletedWithWrappedCancellationException(h3);
2163	>	r1.assertNotInvoked();
2164	>	r2.assertNotInvoked();
2165	>	r3.assertNotInvoked();
2166	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2167	>	checkCancelled(failFirst ? fst : snd);
2168		}}
2169
2170		/**
2171	<	* applyToEither result completes normally after normal completion
1595	<	* of either source
2171	>	* runAfterBoth result completes exceptionally if action does
2172		*/
2173	<	public void testApplyToEither_normalCompletion() {
2173	>	public void testRunAfterBoth_actionFailed() {
2174		for (ExecutionMode m : ExecutionMode.values())
1599	–	for (boolean createIncomplete : new boolean[] { true, false })
2175		for (boolean fFirst : new boolean[] { true, false })
2176		for (Integer v1 : new Integer[] { 1, null })
2177		for (Integer v2 : new Integer[] { 2, null })
2178		{
2179		final CompletableFuture<Integer> f = new CompletableFuture<>();
2180		final CompletableFuture<Integer> g = new CompletableFuture<>();
2181	<	final IncFunction r = new IncFunction();
2182	<
2183	<	if (!createIncomplete)
2184	<	if (fFirst) f.complete(v1); else g.complete(v2);
2185	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2186	<	if (createIncomplete) {
2187	<	checkIncomplete(h);
2188	<	assertEquals(0, r.invocationCount);
2189	<	if (fFirst) f.complete(v1); else g.complete(v2);
2190	<	}
2191	<	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2192	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2193	<
2181	>	final FailingRunnable r1 = new FailingRunnable(m);
2182	>	final FailingRunnable r2 = new FailingRunnable(m);
2183	>	final FailingRunnable r3 = new FailingRunnable(m);
2184	>
2185	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2186	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2187	>	final Integer w1 =  fFirst ? v1 : v2;
2188	>	final Integer w2 = !fFirst ? v1 : v2;
2189	>
2190	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2191	>	assertTrue(fst.complete(w1));
2192	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2193	>	assertTrue(snd.complete(w2));
2194	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2195	>
2196	>	checkCompletedWithWrappedException(h1, r1.ex);
2197	>	checkCompletedWithWrappedException(h2, r2.ex);
2198	>	checkCompletedWithWrappedException(h3, r3.ex);
2199	>	r1.assertInvoked();
2200	>	r2.assertInvoked();
2201	>	r3.assertInvoked();
2202		checkCompletedNormally(f, v1);
2203		checkCompletedNormally(g, v2);
1621	–	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2204		}}
2205
2206	<	public void testApplyToEither_normalCompletionBothAvailable() {
2206	>	/**
2207	>	* applyToEither result completes normally after normal completion
2208	>	* of either source
2209	>	*/
2210	>	public void testApplyToEither_normalCompletion() {
2211		for (ExecutionMode m : ExecutionMode.values())
1626	–	for (boolean fFirst : new boolean[] { true, false })
2212		for (Integer v1 : new Integer[] { 1, null })
2213		for (Integer v2 : new Integer[] { 2, null })
2214		{
2215		final CompletableFuture<Integer> f = new CompletableFuture<>();
2216		final CompletableFuture<Integer> g = new CompletableFuture<>();
2217	<	final IncFunction r = new IncFunction();
2217	>	final IncFunction[] rs = new IncFunction[6];
2218	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2219
2220	<	if (fFirst) {
2221	<	f.complete(v1);
2222	<	g.complete(v2);
2223	<	} else {
2224	<	g.complete(v2);
2225	<	f.complete(v1);
2226	<	}
2220	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2221	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2222	>	checkIncomplete(h0);
2223	>	checkIncomplete(h1);
2224	>	rs[0].assertNotInvoked();
2225	>	rs[1].assertNotInvoked();
2226	>	f.complete(v1);
2227	>	checkCompletedNormally(h0, inc(v1));
2228	>	checkCompletedNormally(h1, inc(v1));
2229	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2230	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2231	>	checkCompletedNormally(h2, inc(v1));
2232	>	checkCompletedNormally(h3, inc(v1));
2233	>	g.complete(v2);
2234
2235	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2235	>	// unspecified behavior - both source completions available
2236	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2237	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2238	>	rs[4].assertValue(h4.join());
2239	>	rs[5].assertValue(h5.join());
2240	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2241	>	Objects.equals(inc(v2), h4.join()));
2242	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2243	>	Objects.equals(inc(v2), h5.join()));
2244
2245		checkCompletedNormally(f, v1);
2246		checkCompletedNormally(g, v2);
2247	<
2248	<	// unspecified behavior
2249	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2250	<	Objects.equals(h.join(), inc(v2)));
2251	<	assertEquals(1, r.invocationCount);
2247	>	checkCompletedNormally(h0, inc(v1));
2248	>	checkCompletedNormally(h1, inc(v1));
2249	>	checkCompletedNormally(h2, inc(v1));
2250	>	checkCompletedNormally(h3, inc(v1));
2251	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2252		}}
2253
2254		/**
2255		* applyToEither result completes exceptionally after exceptional
2256		* completion of either source
2257		*/
2258	<	public void testApplyToEither_exceptionalCompletion1() {
2258	>	public void testApplyToEither_exceptionalCompletion() {
2259		for (ExecutionMode m : ExecutionMode.values())
1659	–	for (boolean createIncomplete : new boolean[] { true, false })
1660	–	for (boolean fFirst : new boolean[] { true, false })
2260		for (Integer v1 : new Integer[] { 1, null })
2261		{
2262		final CompletableFuture<Integer> f = new CompletableFuture<>();
2263		final CompletableFuture<Integer> g = new CompletableFuture<>();
2264		final CFException ex = new CFException();
2265	<	final IncFunction r = new IncFunction();
2265	>	final IncFunction[] rs = new IncFunction[6];
2266	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2267
2268	<	if (!createIncomplete) (fFirst ? f : g).completeExceptionally(ex);
2269	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2270	<	if (createIncomplete) {
2271	<	checkIncomplete(h);
2272	<	assertEquals(0, r.invocationCount);
2273	<	(fFirst ? f : g).completeExceptionally(ex);
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.completeExceptionally(ex);
2275	>	checkCompletedWithWrappedException(h0, ex);
2276	>	checkCompletedWithWrappedException(h1, ex);
2277	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2278	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2279	>	checkCompletedWithWrappedException(h2, ex);
2280	>	checkCompletedWithWrappedException(h3, ex);
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	>	checkCompletedWithWrappedException(h4, ex);
2291	>	rs[4].assertNotInvoked();
2292	>	}
2293	>	try {
2294	>	assertEquals(inc(v1), h5.join());
2295	>	rs[5].assertValue(inc(v1));
2296	>	} catch (CompletionException ok) {
2297	>	checkCompletedWithWrappedException(h5, ex);
2298	>	rs[5].assertNotInvoked();
2299		}
2300
2301	<	checkCompletedWithWrappedCFException(h, ex);
2302	<	(!fFirst ? f : g).complete(v1);
2303	<
2304	<	assertEquals(0, r.invocationCount);
2305	<	checkCompletedNormally(!fFirst ? f : g, v1);
2306	<	checkCompletedWithWrappedCFException(fFirst ? f : g, ex);
2307	<	checkCompletedWithWrappedCFException(h, ex);
2301	>	checkCompletedExceptionally(f, ex);
2302	>	checkCompletedNormally(g, v1);
2303	>	checkCompletedWithWrappedException(h0, ex);
2304	>	checkCompletedWithWrappedException(h1, ex);
2305	>	checkCompletedWithWrappedException(h2, ex);
2306	>	checkCompletedWithWrappedException(h3, ex);
2307	>	checkCompletedWithWrappedException(h4, ex);
2308	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2309		}}
2310
2311		public void testApplyToEither_exceptionalCompletion2() {
2312		for (ExecutionMode m : ExecutionMode.values())
1687	–	for (boolean reverseArgs : new boolean[] { true, false })
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<>();
1693	–	final IncFunction r1 = new IncFunction();
1694	–	final IncFunction r2 = new IncFunction();
2318		final CFException ex = new CFException();
2319	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
2320	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2321	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2322	<	if (fFirst) {
2323	<	f.complete(v1);
2324	<	g.completeExceptionally(ex);
2325	<	} else {
2326	<	g.completeExceptionally(ex);
2327	<	f.complete(v1);
1705	<	}
1706	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2319	>	final IncFunction[] rs = new IncFunction[6];
2320	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2321	>
2322	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2323	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2324	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2325	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2326	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2327	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2328
2329	<	// unspecified behavior
2329	>	// unspecified behavior - both source completions available
2330	>	try {
2331	>	assertEquals(inc(v1), h0.join());
2332	>	rs[0].assertValue(inc(v1));
2333	>	} catch (CompletionException ok) {
2334	>	checkCompletedWithWrappedException(h0, ex);
2335	>	rs[0].assertNotInvoked();
2336	>	}
2337		try {
2338		assertEquals(inc(v1), h1.join());
2339	<	assertEquals(1, r1.invocationCount);
2339	>	rs[1].assertValue(inc(v1));
2340		} catch (CompletionException ok) {
2341	<	checkCompletedWithWrappedCFException(h1, ex);
2342	<	assertEquals(0, r1.invocationCount);
2341	>	checkCompletedWithWrappedException(h1, ex);
2342	>	rs[1].assertNotInvoked();
2343		}
1716	–
2344		try {
2345		assertEquals(inc(v1), h2.join());
2346	<	assertEquals(1, r2.invocationCount);
2346	>	rs[2].assertValue(inc(v1));
2347		} catch (CompletionException ok) {
2348	<	checkCompletedWithWrappedCFException(h2, ex);
2349	<	assertEquals(0, r2.invocationCount);
2348	>	checkCompletedWithWrappedException(h2, ex);
2349	>	rs[2].assertNotInvoked();
2350	>	}
2351	>	try {
2352	>	assertEquals(inc(v1), h3.join());
2353	>	rs[3].assertValue(inc(v1));
2354	>	} catch (CompletionException ok) {
2355	>	checkCompletedWithWrappedException(h3, ex);
2356	>	rs[3].assertNotInvoked();
2357		}
2358
1725	–	checkCompletedWithWrappedCFException(g, ex);
1726	–	checkCompletedNormally(f, v1);
1727	–	}}
1728	–
1729	–	/**
1730	–	* applyToEither result completes exceptionally if action does
1731	–	*/
1732	–	public void testApplyToEither_actionFailed1() {
1733	–	for (ExecutionMode m : ExecutionMode.values())
1734	–	for (Integer v1 : new Integer[] { 1, null })
1735	–	for (Integer v2 : new Integer[] { 2, null })
1736	–	{
1737	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1738	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1739	–	final FailingFunction r = new FailingFunction();
1740	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1741	–
1742	–	f.complete(v1);
1743	–	checkCompletedWithWrappedCFException(h);
1744	–	g.complete(v2);
1745	–	checkCompletedNormally(f, v1);
1746	–	checkCompletedNormally(g, v2);
1747	–	}}
1748	–
1749	–	public void testApplyToEither_actionFailed2() {
1750	–	for (ExecutionMode m : ExecutionMode.values())
1751	–	for (Integer v1 : new Integer[] { 1, null })
1752	–	for (Integer v2 : new Integer[] { 2, null })
1753	–	{
1754	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1755	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1756	–	final FailingFunction r = new FailingFunction();
1757	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1758	–
1759	–	g.complete(v2);
1760	–	checkCompletedWithWrappedCFException(h);
1761	–	f.complete(v1);
2359		checkCompletedNormally(f, v1);
2360	<	checkCompletedNormally(g, v2);
2360	>	checkCompletedExceptionally(g, ex);
2361		}}
2362
2363		/**
2364		* applyToEither result completes exceptionally if either source cancelled
2365		*/
2366	<	public void testApplyToEither_sourceCancelled1() {
2366	>	public void testApplyToEither_sourceCancelled() {
2367		for (ExecutionMode m : ExecutionMode.values())
2368		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1772	–	for (boolean createIncomplete : new boolean[] { true, false })
1773	–	for (boolean fFirst : new boolean[] { true, false })
2369		for (Integer v1 : new Integer[] { 1, null })
2370		{
2371		final CompletableFuture<Integer> f = new CompletableFuture<>();
2372		final CompletableFuture<Integer> g = new CompletableFuture<>();
2373	<	final IncFunction r = new IncFunction();
2373	>	final IncFunction[] rs = new IncFunction[6];
2374	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2375
2376	<	if (!createIncomplete) assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2377	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2378	<	if (createIncomplete) {
2379	<	checkIncomplete(h);
2380	<	assertEquals(0, r.invocationCount);
2381	<	assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2376	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2377	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2378	>	checkIncomplete(h0);
2379	>	checkIncomplete(h1);
2380	>	rs[0].assertNotInvoked();
2381	>	rs[1].assertNotInvoked();
2382	>	f.cancel(mayInterruptIfRunning);
2383	>	checkCompletedWithWrappedCancellationException(h0);
2384	>	checkCompletedWithWrappedCancellationException(h1);
2385	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2386	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2387	>	checkCompletedWithWrappedCancellationException(h2);
2388	>	checkCompletedWithWrappedCancellationException(h3);
2389	>	g.complete(v1);
2390	>
2391	>	// unspecified behavior - both source completions available
2392	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2393	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2394	>	try {
2395	>	assertEquals(inc(v1), h4.join());
2396	>	rs[4].assertValue(inc(v1));
2397	>	} catch (CompletionException ok) {
2398	>	checkCompletedWithWrappedCancellationException(h4);
2399	>	rs[4].assertNotInvoked();
2400	>	}
2401	>	try {
2402	>	assertEquals(inc(v1), h5.join());
2403	>	rs[5].assertValue(inc(v1));
2404	>	} catch (CompletionException ok) {
2405	>	checkCompletedWithWrappedCancellationException(h5);
2406	>	rs[5].assertNotInvoked();
2407		}
2408
2409	<	checkCompletedWithWrappedCancellationException(h);
2410	<	(!fFirst ? f : g).complete(v1);
2411	<
2412	<	assertEquals(0, r.invocationCount);
2413	<	checkCompletedNormally(!fFirst ? f : g, v1);
2414	<	checkCancelled(fFirst ? f : g);
2415	<	checkCompletedWithWrappedCancellationException(h);
2409	>	checkCancelled(f);
2410	>	checkCompletedNormally(g, v1);
2411	>	checkCompletedWithWrappedCancellationException(h0);
2412	>	checkCompletedWithWrappedCancellationException(h1);
2413	>	checkCompletedWithWrappedCancellationException(h2);
2414	>	checkCompletedWithWrappedCancellationException(h3);
2415	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2416		}}
2417
2418		public void testApplyToEither_sourceCancelled2() {
2419		for (ExecutionMode m : ExecutionMode.values())
2420		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1800	–	for (boolean reverseArgs : new boolean[] { true, false })
2421		for (boolean fFirst : new boolean[] { true, false })
2422		for (Integer v1 : new Integer[] { 1, null })
2423		{
2424		final CompletableFuture<Integer> f = new CompletableFuture<>();
2425		final CompletableFuture<Integer> g = new CompletableFuture<>();
2426	<	final IncFunction r1 = new IncFunction();
2427	<	final IncFunction r2 = new IncFunction();
1808	<	final CFException ex = new CFException();
1809	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1810	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2426	>	final IncFunction[] rs = new IncFunction[6];
2427	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2428
2429	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2430	<	if (fFirst) {
2431	<	f.complete(v1);
2432	<	assertTrue(g.cancel(mayInterruptIfRunning));
2433	<	} else {
2434	<	assertTrue(g.cancel(mayInterruptIfRunning));
1818	<	f.complete(v1);
1819	<	}
1820	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2429	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2430	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2431	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2432	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2433	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2434	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2435
2436	<	// unspecified behavior
2436	>	// unspecified behavior - both source completions available
2437	>	try {
2438	>	assertEquals(inc(v1), h0.join());
2439	>	rs[0].assertValue(inc(v1));
2440	>	} catch (CompletionException ok) {
2441	>	checkCompletedWithWrappedCancellationException(h0);
2442	>	rs[0].assertNotInvoked();
2443	>	}
2444		try {
2445		assertEquals(inc(v1), h1.join());
2446	<	assertEquals(1, r1.invocationCount);
2446	>	rs[1].assertValue(inc(v1));
2447		} catch (CompletionException ok) {
2448		checkCompletedWithWrappedCancellationException(h1);
2449	<	assertEquals(0, r1.invocationCount);
2449	>	rs[1].assertNotInvoked();
2450		}
1830	–
2451		try {
2452		assertEquals(inc(v1), h2.join());
2453	<	assertEquals(1, r2.invocationCount);
2453	>	rs[2].assertValue(inc(v1));
2454		} catch (CompletionException ok) {
2455		checkCompletedWithWrappedCancellationException(h2);
2456	<	assertEquals(0, r2.invocationCount);
2456	>	rs[2].assertNotInvoked();
2457	>	}
2458	>	try {
2459	>	assertEquals(inc(v1), h3.join());
2460	>	rs[3].assertValue(inc(v1));
2461	>	} catch (CompletionException ok) {
2462	>	checkCompletedWithWrappedCancellationException(h3);
2463	>	rs[3].assertNotInvoked();
2464		}
2465
1839	–	checkCancelled(g);
2466		checkCompletedNormally(f, v1);
2467	+	checkCancelled(g);
2468		}}
2469
2470		/**
2471	<	* acceptEither result completes normally after normal completion
1845	<	* of either source
2471	>	* applyToEither result completes exceptionally if action does
2472		*/
2473	<	public void testAcceptEither_normalCompletion1() {
2473	>	public void testApplyToEither_actionFailed() {
2474		for (ExecutionMode m : ExecutionMode.values())
2475		for (Integer v1 : new Integer[] { 1, null })
2476		for (Integer v2 : new Integer[] { 2, null })
2477		{
2478		final CompletableFuture<Integer> f = new CompletableFuture<>();
2479		final CompletableFuture<Integer> g = new CompletableFuture<>();
2480	<	final IncAction r = new IncAction();
2481	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2480	>	final FailingFunction[] rs = new FailingFunction[6];
2481	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2482
2483	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2484	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2485		f.complete(v1);
2486	<	checkCompletedNormally(h, null);
2487	<	assertEquals(inc(v1), r.value);
2488	<	g.complete(v2);
2489	<
2490	<	checkCompletedNormally(f, v1);
2491	<	checkCompletedNormally(g, v2);
2492	<	checkCompletedNormally(h, null);
1865	<	}}
1866	<
1867	<	public void testAcceptEither_normalCompletion2() {
1868	<	for (ExecutionMode m : ExecutionMode.values())
1869	<	for (Integer v1 : new Integer[] { 1, null })
1870	<	for (Integer v2 : new Integer[] { 2, null })
1871	<	{
1872	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1873	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1874	<	final IncAction r = new IncAction();
1875	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2486	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2487	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2488	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2489	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2490	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2491	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2492	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2493
2494		g.complete(v2);
2495	<	checkCompletedNormally(h, null);
2496	<	assertEquals(inc(v2), r.value);
2497	<	f.complete(v1);
2495	>
2496	>	// unspecified behavior - both source completions available
2497	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2498	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2499	>
2500	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2501	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2502	>	Objects.equals(v2, rs[4].value));
2503	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2504	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2505	>	Objects.equals(v2, rs[5].value));
2506
2507		checkCompletedNormally(f, v1);
2508		checkCompletedNormally(g, v2);
1884	–	checkCompletedNormally(h, null);
2509		}}
2510
2511	<	public void testAcceptEither_normalCompletion3() {
2511	>	/**
2512	>	* acceptEither result completes normally after normal completion
2513	>	* of either source
2514	>	*/
2515	>	public void testAcceptEither_normalCompletion() {
2516		for (ExecutionMode m : ExecutionMode.values())
2517		for (Integer v1 : new Integer[] { 1, null })
2518		for (Integer v2 : new Integer[] { 2, null })
2519		{
2520		final CompletableFuture<Integer> f = new CompletableFuture<>();
2521		final CompletableFuture<Integer> g = new CompletableFuture<>();
2522	<	final IncAction r = new IncAction();
2522	>	final NoopConsumer[] rs = new NoopConsumer[6];
2523	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2524
2525	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2526	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2527	+	checkIncomplete(h0);
2528	+	checkIncomplete(h1);
2529	+	rs[0].assertNotInvoked();
2530	+	rs[1].assertNotInvoked();
2531		f.complete(v1);
2532	+	checkCompletedNormally(h0, null);
2533	+	checkCompletedNormally(h1, null);
2534	+	rs[0].assertValue(v1);
2535	+	rs[1].assertValue(v1);
2536	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2537	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2538	+	checkCompletedNormally(h2, null);
2539	+	checkCompletedNormally(h3, null);
2540	+	rs[2].assertValue(v1);
2541	+	rs[3].assertValue(v1);
2542		g.complete(v2);
1898	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2543
2544	<	checkCompletedNormally(h, null);
2544	>	// unspecified behavior - both source completions available
2545	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2546	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2547	>	checkCompletedNormally(h4, null);
2548	>	checkCompletedNormally(h5, null);
2549	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2550	>	Objects.equals(v2, rs[4].value));
2551	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2552	>	Objects.equals(v2, rs[5].value));
2553	>
2554		checkCompletedNormally(f, v1);
2555		checkCompletedNormally(g, v2);
2556	<
2557	<	// unspecified behavior
2558	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2559	<	Objects.equals(r.value, inc(v2)));
2556	>	checkCompletedNormally(h0, null);
2557	>	checkCompletedNormally(h1, null);
2558	>	checkCompletedNormally(h2, null);
2559	>	checkCompletedNormally(h3, null);
2560	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2561		}}
2562
2563		/**
2564		* acceptEither result completes exceptionally after exceptional
2565		* completion of either source
2566		*/
2567	<	public void testAcceptEither_exceptionalCompletion1() {
2567	>	public void testAcceptEither_exceptionalCompletion() {
2568		for (ExecutionMode m : ExecutionMode.values())
2569		for (Integer v1 : new Integer[] { 1, null })
2570		{
2571		final CompletableFuture<Integer> f = new CompletableFuture<>();
2572		final CompletableFuture<Integer> g = new CompletableFuture<>();
1919	–	final IncAction r = new IncAction();
1920	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2573		final CFException ex = new CFException();
2574	+	final NoopConsumer[] rs = new NoopConsumer[6];
2575	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2576
2577	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2578	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2579	+	checkIncomplete(h0);
2580	+	checkIncomplete(h1);
2581	+	rs[0].assertNotInvoked();
2582	+	rs[1].assertNotInvoked();
2583		f.completeExceptionally(ex);
2584	<	checkCompletedWithWrappedCFException(h, ex);
2584	>	checkCompletedWithWrappedException(h0, ex);
2585	>	checkCompletedWithWrappedException(h1, ex);
2586	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2587	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2588	>	checkCompletedWithWrappedException(h2, ex);
2589	>	checkCompletedWithWrappedException(h3, ex);
2590	>
2591		g.complete(v1);
2592
2593	<	assertEquals(0, r.invocationCount);
2593	>	// unspecified behavior - both source completions available
2594	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2595	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2596	>	try {
2597	>	assertNull(h4.join());
2598	>	rs[4].assertValue(v1);
2599	>	} catch (CompletionException ok) {
2600	>	checkCompletedWithWrappedException(h4, ex);
2601	>	rs[4].assertNotInvoked();
2602	>	}
2603	>	try {
2604	>	assertNull(h5.join());
2605	>	rs[5].assertValue(v1);
2606	>	} catch (CompletionException ok) {
2607	>	checkCompletedWithWrappedException(h5, ex);
2608	>	rs[5].assertNotInvoked();
2609	>	}
2610	>
2611	>	checkCompletedExceptionally(f, ex);
2612		checkCompletedNormally(g, v1);
2613	<	checkCompletedWithWrappedCFException(f, ex);
2614	<	checkCompletedWithWrappedCFException(h, ex);
2613	>	checkCompletedWithWrappedException(h0, ex);
2614	>	checkCompletedWithWrappedException(h1, ex);
2615	>	checkCompletedWithWrappedException(h2, ex);
2616	>	checkCompletedWithWrappedException(h3, ex);
2617	>	checkCompletedWithWrappedException(h4, ex);
2618	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2619		}}
2620
2621		public void testAcceptEither_exceptionalCompletion2() {
2622		for (ExecutionMode m : ExecutionMode.values())
2623	+	for (boolean fFirst : new boolean[] { true, false })
2624		for (Integer v1 : new Integer[] { 1, null })
2625		{
2626		final CompletableFuture<Integer> f = new CompletableFuture<>();
2627		final CompletableFuture<Integer> g = new CompletableFuture<>();
1939	–	final IncAction r = new IncAction();
1940	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1941	–	final CFException ex = new CFException();
1942	–
1943	–	g.completeExceptionally(ex);
1944	–	checkCompletedWithWrappedCFException(h, ex);
1945	–	f.complete(v1);
1946	–
1947	–	assertEquals(0, r.invocationCount);
1948	–	checkCompletedNormally(f, v1);
1949	–	checkCompletedWithWrappedCFException(g, ex);
1950	–	checkCompletedWithWrappedCFException(h, ex);
1951	–	}}
1952	–
1953	–	public void testAcceptEither_exceptionalCompletion3() {
1954	–	for (ExecutionMode m : ExecutionMode.values())
1955	–	for (Integer v1 : new Integer[] { 1, null })
1956	–	{
1957	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1958	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1959	–	final IncAction r = new IncAction();
2628		final CFException ex = new CFException();
2629	+	final NoopConsumer[] rs = new NoopConsumer[6];
2630	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2631
2632	<	g.completeExceptionally(ex);
2633	<	f.complete(v1);
2634	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2632	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2633	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2634	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2635	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2636	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2637	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2638
2639	<	// unspecified behavior
1967	<	Integer v;
2639	>	// unspecified behavior - both source completions available
2640		try {
2641	<	assertNull(h.join());
2642	<	assertEquals(1, r.invocationCount);
1971	<	assertEquals(inc(v1), r.value);
2641	>	assertNull(h0.join());
2642	>	rs[0].assertValue(v1);
2643		} catch (CompletionException ok) {
2644	<	checkCompletedWithWrappedCFException(h, ex);
2645	<	assertEquals(0, r.invocationCount);
2644	>	checkCompletedWithWrappedException(h0, ex);
2645	>	rs[0].assertNotInvoked();
2646		}
1976	–
1977	–	checkCompletedWithWrappedCFException(g, ex);
1978	–	checkCompletedNormally(f, v1);
1979	–	}}
1980	–
1981	–	public void testAcceptEither_exceptionalCompletion4() {
1982	–	for (ExecutionMode m : ExecutionMode.values())
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 IncAction r = new IncAction();
1988	–	final CFException ex = new CFException();
1989	–
1990	–	f.completeExceptionally(ex);
1991	–	g.complete(v1);
1992	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1993	–
1994	–	// unspecified behavior
1995	–	Integer v;
2647		try {
2648	<	assertNull(h.join());
2649	<	assertEquals(1, r.invocationCount);
1999	<	assertEquals(inc(v1), r.value);
2648	>	assertNull(h1.join());
2649	>	rs[1].assertValue(v1);
2650		} catch (CompletionException ok) {
2651	<	checkCompletedWithWrappedCFException(h, ex);
2652	<	assertEquals(0, r.invocationCount);
2651	>	checkCompletedWithWrappedException(h1, ex);
2652	>	rs[1].assertNotInvoked();
2653	>	}
2654	>	try {
2655	>	assertNull(h2.join());
2656	>	rs[2].assertValue(v1);
2657	>	} catch (CompletionException ok) {
2658	>	checkCompletedWithWrappedException(h2, ex);
2659	>	rs[2].assertNotInvoked();
2660	>	}
2661	>	try {
2662	>	assertNull(h3.join());
2663	>	rs[3].assertValue(v1);
2664	>	} catch (CompletionException ok) {
2665	>	checkCompletedWithWrappedException(h3, ex);
2666	>	rs[3].assertNotInvoked();
2667		}
2668
2005	–	checkCompletedWithWrappedCFException(f, ex);
2006	–	checkCompletedNormally(g, v1);
2007	–	}}
2008	–
2009	–	/**
2010	–	* acceptEither result completes exceptionally if action does
2011	–	*/
2012	–	public void testAcceptEither_actionFailed1() {
2013	–	for (ExecutionMode m : ExecutionMode.values())
2014	–	for (Integer v1 : new Integer[] { 1, null })
2015	–	for (Integer v2 : new Integer[] { 2, null })
2016	–	{
2017	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2018	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	–	final FailingConsumer r = new FailingConsumer();
2020	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2021	–
2022	–	f.complete(v1);
2023	–	checkCompletedWithWrappedCFException(h);
2024	–	g.complete(v2);
2025	–	checkCompletedNormally(f, v1);
2026	–	checkCompletedNormally(g, v2);
2027	–	}}
2028	–
2029	–	public void testAcceptEither_actionFailed2() {
2030	–	for (ExecutionMode m : ExecutionMode.values())
2031	–	for (Integer v1 : new Integer[] { 1, null })
2032	–	for (Integer v2 : new Integer[] { 2, null })
2033	–	{
2034	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2035	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2036	–	final FailingConsumer r = new FailingConsumer();
2037	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2038	–
2039	–	g.complete(v2);
2040	–	checkCompletedWithWrappedCFException(h);
2041	–	f.complete(v1);
2669		checkCompletedNormally(f, v1);
2670	<	checkCompletedNormally(g, v2);
2670	>	checkCompletedExceptionally(g, ex);
2671		}}
2672
2673		/**
2674		* acceptEither result completes exceptionally if either source cancelled
2675		*/
2676	<	public void testAcceptEither_sourceCancelled1() {
2050	<	for (ExecutionMode m : ExecutionMode.values())
2051	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2052	<	for (Integer v1 : new Integer[] { 1, null })
2053	<	{
2054	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2055	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2056	<	final IncAction r = new IncAction();
2057	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2058	<
2059	<	assertTrue(f.cancel(mayInterruptIfRunning));
2060	<	checkCompletedWithWrappedCancellationException(h);
2061	<	g.complete(v1);
2062	<
2063	<	checkCancelled(f);
2064	<	assertEquals(0, r.invocationCount);
2065	<	checkCompletedNormally(g, v1);
2066	<	checkCompletedWithWrappedCancellationException(h);
2067	<	}}
2068	<
2069	<	public void testAcceptEither_sourceCancelled2() {
2676	>	public void testAcceptEither_sourceCancelled() {
2677		for (ExecutionMode m : ExecutionMode.values())
2678		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2679		for (Integer v1 : new Integer[] { 1, null })
2680		{
2681		final CompletableFuture<Integer> f = new CompletableFuture<>();
2682		final CompletableFuture<Integer> g = new CompletableFuture<>();
2683	<	final IncAction r = new IncAction();
2684	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2683	>	final NoopConsumer[] rs = new NoopConsumer[6];
2684	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2685
2686	<	assertTrue(g.cancel(mayInterruptIfRunning));
2687	<	checkCompletedWithWrappedCancellationException(h);
2688	<	f.complete(v1);
2689	<
2690	<	checkCancelled(g);
2691	<	assertEquals(0, r.invocationCount);
2692	<	checkCompletedNormally(f, v1);
2693	<	checkCompletedWithWrappedCancellationException(h);
2694	<	}}
2695	<
2696	<	public void testAcceptEither_sourceCancelled3() {
2697	<	for (ExecutionMode m : ExecutionMode.values())
2698	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2092	<	for (Integer v1 : new Integer[] { 1, null })
2093	<	{
2094	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2095	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2096	<	final IncAction r = new IncAction();
2686	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2687	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2688	>	checkIncomplete(h0);
2689	>	checkIncomplete(h1);
2690	>	rs[0].assertNotInvoked();
2691	>	rs[1].assertNotInvoked();
2692	>	f.cancel(mayInterruptIfRunning);
2693	>	checkCompletedWithWrappedCancellationException(h0);
2694	>	checkCompletedWithWrappedCancellationException(h1);
2695	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2696	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2697	>	checkCompletedWithWrappedCancellationException(h2);
2698	>	checkCompletedWithWrappedCancellationException(h3);
2699
2700	<	assertTrue(g.cancel(mayInterruptIfRunning));
2099	<	f.complete(v1);
2100	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2700	>	g.complete(v1);
2701
2702	<	// unspecified behavior
2703	<	Integer v;
2702	>	// unspecified behavior - both source completions available
2703	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2704	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2705		try {
2706	<	assertNull(h.join());
2707	<	assertEquals(1, r.invocationCount);
2107	<	assertEquals(inc(v1), r.value);
2706	>	assertNull(h4.join());
2707	>	rs[4].assertValue(v1);
2708		} catch (CompletionException ok) {
2709	<	checkCompletedWithWrappedCancellationException(h);
2710	<	assertEquals(0, r.invocationCount);
2709	>	checkCompletedWithWrappedCancellationException(h4);
2710	>	rs[4].assertNotInvoked();
2711		}
2112	–
2113	–	checkCancelled(g);
2114	–	checkCompletedNormally(f, v1);
2115	–	}}
2116	–
2117	–	public void testAcceptEither_sourceCancelled4() {
2118	–	for (ExecutionMode m : ExecutionMode.values())
2119	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2120	–	for (Integer v1 : new Integer[] { 1, null })
2121	–	{
2122	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2123	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2124	–	final IncAction r = new IncAction();
2125	–
2126	–	assertTrue(f.cancel(mayInterruptIfRunning));
2127	–	g.complete(v1);
2128	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2129	–
2130	–	// unspecified behavior
2131	–	Integer v;
2712		try {
2713	<	assertNull(h.join());
2714	<	assertEquals(1, r.invocationCount);
2135	<	assertEquals(inc(v1), r.value);
2713	>	assertNull(h5.join());
2714	>	rs[5].assertValue(v1);
2715		} catch (CompletionException ok) {
2716	<	checkCompletedWithWrappedCancellationException(h);
2717	<	assertEquals(0, r.invocationCount);
2716	>	checkCompletedWithWrappedCancellationException(h5);
2717	>	rs[5].assertNotInvoked();
2718		}
2719
2720		checkCancelled(f);
2721		checkCompletedNormally(g, v1);
2722	+	checkCompletedWithWrappedCancellationException(h0);
2723	+	checkCompletedWithWrappedCancellationException(h1);
2724	+	checkCompletedWithWrappedCancellationException(h2);
2725	+	checkCompletedWithWrappedCancellationException(h3);
2726	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2727		}}
2728
2729		/**
2730	<	* runAfterEither result completes normally after normal completion
2147	<	* of either source
2730	>	* acceptEither result completes exceptionally if action does
2731		*/
2732	<	public void testRunAfterEither_normalCompletion1() {
2732	>	public void testAcceptEither_actionFailed() {
2733		for (ExecutionMode m : ExecutionMode.values())
2734		for (Integer v1 : new Integer[] { 1, null })
2735		for (Integer v2 : new Integer[] { 2, null })
2736		{
2737		final CompletableFuture<Integer> f = new CompletableFuture<>();
2738		final CompletableFuture<Integer> g = new CompletableFuture<>();
2739	<	final Noop r = new Noop();
2740	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2739	>	final FailingConsumer[] rs = new FailingConsumer[6];
2740	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2741
2742	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2743	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2744		f.complete(v1);
2745	<	checkCompletedNormally(h, null);
2746	<	assertEquals(1, r.invocationCount);
2745	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2746	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2747	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2748	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2749	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2750	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2751	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2752	>
2753		g.complete(v2);
2754
2755	+	// unspecified behavior - both source completions available
2756	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2757	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2758	+
2759	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2760	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2761	+	Objects.equals(v2, rs[4].value));
2762	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2763	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2764	+	Objects.equals(v2, rs[5].value));
2765	+
2766		checkCompletedNormally(f, v1);
2767		checkCompletedNormally(g, v2);
2166	–	checkCompletedNormally(h, null);
2167	–	assertEquals(1, r.invocationCount);
2768		}}
2769
2770	<	public void testRunAfterEither_normalCompletion2() {
2770	>	/**
2771	>	* runAfterEither result completes normally after normal completion
2772	>	* of either source
2773	>	*/
2774	>	public void testRunAfterEither_normalCompletion() {
2775		for (ExecutionMode m : ExecutionMode.values())
2776		for (Integer v1 : new Integer[] { 1, null })
2777		for (Integer v2 : new Integer[] { 2, null })
2778	+	for (boolean pushNop : new boolean[] { true, false })
2779		{
2780		final CompletableFuture<Integer> f = new CompletableFuture<>();
2781		final CompletableFuture<Integer> g = new CompletableFuture<>();
2782	<	final Noop r = new Noop();
2783	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2782	>	final Noop[] rs = new Noop[6];
2783	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2784
2785	<	g.complete(v2);
2786	<	checkCompletedNormally(h, null);
2787	<	assertEquals(1, r.invocationCount);
2785	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2786	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2787	>	checkIncomplete(h0);
2788	>	checkIncomplete(h1);
2789	>	rs[0].assertNotInvoked();
2790	>	rs[1].assertNotInvoked();
2791	>	if (pushNop) {          // ad hoc test of intra-completion interference
2792	>	m.thenRun(f, () -> {});
2793	>	m.thenRun(g, () -> {});
2794	>	}
2795		f.complete(v1);
2796	+	checkCompletedNormally(h0, null);
2797	+	checkCompletedNormally(h1, null);
2798	+	rs[0].assertInvoked();
2799	+	rs[1].assertInvoked();
2800	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2801	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2802	+	checkCompletedNormally(h2, null);
2803	+	checkCompletedNormally(h3, null);
2804	+	rs[2].assertInvoked();
2805	+	rs[3].assertInvoked();
2806
2185	–	checkCompletedNormally(f, v1);
2186	–	checkCompletedNormally(g, v2);
2187	–	checkCompletedNormally(h, null);
2188	–	assertEquals(1, r.invocationCount);
2189	–	}}
2190	–
2191	–	public void testRunAfterEither_normalCompletion3() {
2192	–	for (ExecutionMode m : ExecutionMode.values())
2193	–	for (Integer v1 : new Integer[] { 1, null })
2194	–	for (Integer v2 : new Integer[] { 2, null })
2195	–	{
2196	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2197	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2198	–	final Noop r = new Noop();
2199	–
2200	–	f.complete(v1);
2807		g.complete(v2);
2202	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2808
2809	<	checkCompletedNormally(h, null);
2809	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2810	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2811	>
2812		checkCompletedNormally(f, v1);
2813		checkCompletedNormally(g, v2);
2814	<	assertEquals(1, r.invocationCount);
2814	>	checkCompletedNormally(h0, null);
2815	>	checkCompletedNormally(h1, null);
2816	>	checkCompletedNormally(h2, null);
2817	>	checkCompletedNormally(h3, null);
2818	>	checkCompletedNormally(h4, null);
2819	>	checkCompletedNormally(h5, null);
2820	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2821		}}
2822
2823		/**
2824		* runAfterEither result completes exceptionally after exceptional
2825		* completion of either source
2826		*/
2827	<	public void testRunAfterEither_exceptionalCompletion1() {
2827	>	public void testRunAfterEither_exceptionalCompletion() {
2828		for (ExecutionMode m : ExecutionMode.values())
2829		for (Integer v1 : new Integer[] { 1, null })
2830		{
2831		final CompletableFuture<Integer> f = new CompletableFuture<>();
2832		final CompletableFuture<Integer> g = new CompletableFuture<>();
2220	–	final Noop r = new Noop();
2221	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2833		final CFException ex = new CFException();
2834	+	final Noop[] rs = new Noop[6];
2835	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2836
2837	<	f.completeExceptionally(ex);
2838	<	checkCompletedWithWrappedCFException(h, ex);
2839	<	g.complete(v1);
2837	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2838	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2839	>	checkIncomplete(h0);
2840	>	checkIncomplete(h1);
2841	>	rs[0].assertNotInvoked();
2842	>	rs[1].assertNotInvoked();
2843	>	assertTrue(f.completeExceptionally(ex));
2844	>	checkCompletedWithWrappedException(h0, ex);
2845	>	checkCompletedWithWrappedException(h1, ex);
2846	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2847	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2848	>	checkCompletedWithWrappedException(h2, ex);
2849	>	checkCompletedWithWrappedException(h3, ex);
2850	>
2851	>	assertTrue(g.complete(v1));
2852	>
2853	>	// unspecified behavior - both source completions available
2854	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2855	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2856	>	try {
2857	>	assertNull(h4.join());
2858	>	rs[4].assertInvoked();
2859	>	} catch (CompletionException ok) {
2860	>	checkCompletedWithWrappedException(h4, ex);
2861	>	rs[4].assertNotInvoked();
2862	>	}
2863	>	try {
2864	>	assertNull(h5.join());
2865	>	rs[5].assertInvoked();
2866	>	} catch (CompletionException ok) {
2867	>	checkCompletedWithWrappedException(h5, ex);
2868	>	rs[5].assertNotInvoked();
2869	>	}
2870
2871	<	assertEquals(0, r.invocationCount);
2871	>	checkCompletedExceptionally(f, ex);
2872		checkCompletedNormally(g, v1);
2873	<	checkCompletedWithWrappedCFException(f, ex);
2874	<	checkCompletedWithWrappedCFException(h, ex);
2873	>	checkCompletedWithWrappedException(h0, ex);
2874	>	checkCompletedWithWrappedException(h1, ex);
2875	>	checkCompletedWithWrappedException(h2, ex);
2876	>	checkCompletedWithWrappedException(h3, ex);
2877	>	checkCompletedWithWrappedException(h4, ex);
2878	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2879		}}
2880
2881		public void testRunAfterEither_exceptionalCompletion2() {
2882		for (ExecutionMode m : ExecutionMode.values())
2883	+	for (boolean fFirst : new boolean[] { true, false })
2884		for (Integer v1 : new Integer[] { 1, null })
2885		{
2886		final CompletableFuture<Integer> f = new CompletableFuture<>();
2887		final CompletableFuture<Integer> g = new CompletableFuture<>();
2240	–	final Noop r = new Noop();
2241	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2242	–	final CFException ex = new CFException();
2243	–
2244	–	g.completeExceptionally(ex);
2245	–	checkCompletedWithWrappedCFException(h, ex);
2246	–	f.complete(v1);
2247	–
2248	–	assertEquals(0, r.invocationCount);
2249	–	checkCompletedNormally(f, v1);
2250	–	checkCompletedWithWrappedCFException(g, ex);
2251	–	checkCompletedWithWrappedCFException(h, ex);
2252	–	}}
2253	–
2254	–	public void testRunAfterEither_exceptionalCompletion3() {
2255	–	for (ExecutionMode m : ExecutionMode.values())
2256	–	for (Integer v1 : new Integer[] { 1, null })
2257	–	{
2258	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2259	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2260	–	final Noop r = new Noop();
2888		final CFException ex = new CFException();
2889	+	final Noop[] rs = new Noop[6];
2890	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2891
2892	<	g.completeExceptionally(ex);
2893	<	f.complete(v1);
2894	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2892	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2893	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2894	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2895	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2896	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2897	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2898
2899	<	// unspecified behavior
2900	<	Integer v;
2899	>	// unspecified behavior - both source completions available
2900	>	try {
2901	>	assertNull(h0.join());
2902	>	rs[0].assertInvoked();
2903	>	} catch (CompletionException ok) {
2904	>	checkCompletedWithWrappedException(h0, ex);
2905	>	rs[0].assertNotInvoked();
2906	>	}
2907	>	try {
2908	>	assertNull(h1.join());
2909	>	rs[1].assertInvoked();
2910	>	} catch (CompletionException ok) {
2911	>	checkCompletedWithWrappedException(h1, ex);
2912	>	rs[1].assertNotInvoked();
2913	>	}
2914	>	try {
2915	>	assertNull(h2.join());
2916	>	rs[2].assertInvoked();
2917	>	} catch (CompletionException ok) {
2918	>	checkCompletedWithWrappedException(h2, ex);
2919	>	rs[2].assertNotInvoked();
2920	>	}
2921		try {
2922	<	assertNull(h.join());
2923	<	assertEquals(1, r.invocationCount);
2922	>	assertNull(h3.join());
2923	>	rs[3].assertInvoked();
2924		} catch (CompletionException ok) {
2925	<	checkCompletedWithWrappedCFException(h, ex);
2926	<	assertEquals(0, r.invocationCount);
2925	>	checkCompletedWithWrappedException(h3, ex);
2926	>	rs[3].assertNotInvoked();
2927		}
2928
2277	–	checkCompletedWithWrappedCFException(g, ex);
2929		checkCompletedNormally(f, v1);
2930	+	checkCompletedExceptionally(g, ex);
2931		}}
2932
2933	<	public void testRunAfterEither_exceptionalCompletion4() {
2933	>	/**
2934	>	* runAfterEither result completes exceptionally if either source cancelled
2935	>	*/
2936	>	public void testRunAfterEither_sourceCancelled() {
2937		for (ExecutionMode m : ExecutionMode.values())
2938	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2939		for (Integer v1 : new Integer[] { 1, null })
2940		{
2941		final CompletableFuture<Integer> f = new CompletableFuture<>();
2942		final CompletableFuture<Integer> g = new CompletableFuture<>();
2943	<	final Noop r = new Noop();
2944	<	final CFException ex = new CFException();
2289	<
2290	<	f.completeExceptionally(ex);
2291	<	g.complete(v1);
2292	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2943	>	final Noop[] rs = new Noop[6];
2944	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2945
2946	<	// unspecified behavior
2947	<	Integer v;
2946	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2947	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2948	>	checkIncomplete(h0);
2949	>	checkIncomplete(h1);
2950	>	rs[0].assertNotInvoked();
2951	>	rs[1].assertNotInvoked();
2952	>	f.cancel(mayInterruptIfRunning);
2953	>	checkCompletedWithWrappedCancellationException(h0);
2954	>	checkCompletedWithWrappedCancellationException(h1);
2955	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2956	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2957	>	checkCompletedWithWrappedCancellationException(h2);
2958	>	checkCompletedWithWrappedCancellationException(h3);
2959	>
2960	>	assertTrue(g.complete(v1));
2961	>
2962	>	// unspecified behavior - both source completions available
2963	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2964	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2965		try {
2966	<	assertNull(h.join());
2967	<	assertEquals(1, r.invocationCount);
2966	>	assertNull(h4.join());
2967	>	rs[4].assertInvoked();
2968		} catch (CompletionException ok) {
2969	<	checkCompletedWithWrappedCFException(h, ex);
2970	<	assertEquals(0, r.invocationCount);
2969	>	checkCompletedWithWrappedCancellationException(h4);
2970	>	rs[4].assertNotInvoked();
2971	>	}
2972	>	try {
2973	>	assertNull(h5.join());
2974	>	rs[5].assertInvoked();
2975	>	} catch (CompletionException ok) {
2976	>	checkCompletedWithWrappedCancellationException(h5);
2977	>	rs[5].assertNotInvoked();
2978		}
2979
2980	<	checkCompletedWithWrappedCFException(f, ex);
2980	>	checkCancelled(f);
2981		checkCompletedNormally(g, v1);
2982	+	checkCompletedWithWrappedCancellationException(h0);
2983	+	checkCompletedWithWrappedCancellationException(h1);
2984	+	checkCompletedWithWrappedCancellationException(h2);
2985	+	checkCompletedWithWrappedCancellationException(h3);
2986	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2987		}}
2988
2989		/**
2990		* runAfterEither result completes exceptionally if action does
2991		*/
2992	<	public void testRunAfterEither_actionFailed1() {
2992	>	public void testRunAfterEither_actionFailed() {
2993		for (ExecutionMode m : ExecutionMode.values())
2994		for (Integer v1 : new Integer[] { 1, null })
2995		for (Integer v2 : new Integer[] { 2, null })
2996		{
2997		final CompletableFuture<Integer> f = new CompletableFuture<>();
2998		final CompletableFuture<Integer> g = new CompletableFuture<>();
2999	<	final FailingRunnable r = new FailingRunnable();
3000	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2999	>	final FailingRunnable[] rs = new FailingRunnable[6];
3000	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3001	>
3002	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3003	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3004	>	assertTrue(f.complete(v1));
3005	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3006	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3007	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3008	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3009	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3010	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3011	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3012	>	assertTrue(g.complete(v2));
3013	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3014	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3015	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3016	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3017
2321	–	f.complete(v1);
2322	–	checkCompletedWithWrappedCFException(h);
2323	–	g.complete(v2);
3018		checkCompletedNormally(f, v1);
3019		checkCompletedNormally(g, v2);
3020	+	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3021		}}
3022
3023	<	public void testRunAfterEither_actionFailed2() {
3023	>	/**
3024	>	* thenCompose result completes normally after normal completion of source
3025	>	*/
3026	>	public void testThenCompose_normalCompletion() {
3027		for (ExecutionMode m : ExecutionMode.values())
3028	+	for (boolean createIncomplete : new boolean[] { true, false })
3029		for (Integer v1 : new Integer[] { 1, null })
2331	–	for (Integer v2 : new Integer[] { 2, null })
3030		{
3031		final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3033	<	final FailingRunnable r = new FailingRunnable();
3034	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3032	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3033	>	if (!createIncomplete) assertTrue(f.complete(v1));
3034	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3035	>	if (createIncomplete) assertTrue(f.complete(v1));
3036
3037	<	g.complete(v2);
2339	<	checkCompletedWithWrappedCFException(h);
2340	<	f.complete(v1);
3037	>	checkCompletedNormally(g, inc(v1));
3038		checkCompletedNormally(f, v1);
3039	<	checkCompletedNormally(g, v2);
3039	>	r.assertValue(v1);
3040		}}
3041
3042		/**
3043	<	* runAfterEither result completes exceptionally if either source cancelled
3043	>	* thenCompose result completes exceptionally after exceptional
3044	>	* completion of source
3045		*/
3046	<	public void testRunAfterEither_sourceCancelled1() {
3046	>	public void testThenCompose_exceptionalCompletion() {
3047		for (ExecutionMode m : ExecutionMode.values())
3048	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2351	<	for (Integer v1 : new Integer[] { 1, null })
3048	>	for (boolean createIncomplete : new boolean[] { true, false })
3049		{
3050	+	final CFException ex = new CFException();
3051	+	final CompletableFutureInc r = new CompletableFutureInc(m);
3052		final CompletableFuture<Integer> f = new CompletableFuture<>();
3053	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3054	<	final Noop r = new Noop();
3055	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2357	<
2358	<	assertTrue(f.cancel(mayInterruptIfRunning));
2359	<	checkCompletedWithWrappedCancellationException(h);
2360	<	g.complete(v1);
3053	>	if (!createIncomplete) f.completeExceptionally(ex);
3054	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3055	>	if (createIncomplete) f.completeExceptionally(ex);
3056
3057	<	checkCancelled(f);
3058	<	assertEquals(0, r.invocationCount);
3059	<	checkCompletedNormally(g, v1);
2365	<	checkCompletedWithWrappedCancellationException(h);
3057	>	checkCompletedWithWrappedException(g, ex);
3058	>	checkCompletedExceptionally(f, ex);
3059	>	r.assertNotInvoked();
3060		}}
3061
3062	<	public void testRunAfterEither_sourceCancelled2() {
3062	>	/**
3063	>	* thenCompose result completes exceptionally if action does
3064	>	*/
3065	>	public void testThenCompose_actionFailed() {
3066		for (ExecutionMode m : ExecutionMode.values())
3067	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3067	>	for (boolean createIncomplete : new boolean[] { true, false })
3068		for (Integer v1 : new Integer[] { 1, null })
3069		{
3070		final CompletableFuture<Integer> f = new CompletableFuture<>();
3071	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3072	<	final Noop r = new Noop();
3073	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3074	<
3075	<	assertTrue(g.cancel(mayInterruptIfRunning));
2379	<	checkCompletedWithWrappedCancellationException(h);
2380	<	f.complete(v1);
3071	>	final FailingCompletableFutureFunction r
3072	>	= new FailingCompletableFutureFunction(m);
3073	>	if (!createIncomplete) assertTrue(f.complete(v1));
3074	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3075	>	if (createIncomplete) assertTrue(f.complete(v1));
3076
3077	<	checkCancelled(g);
2383	<	assertEquals(0, r.invocationCount);
3077	>	checkCompletedWithWrappedException(g, r.ex);
3078		checkCompletedNormally(f, v1);
2385	–	checkCompletedWithWrappedCancellationException(h);
3079		}}
3080
3081	<	public void testRunAfterEither_sourceCancelled3() {
3081	>	/**
3082	>	* thenCompose result completes exceptionally if source cancelled
3083	>	*/
3084	>	public void testThenCompose_sourceCancelled() {
3085		for (ExecutionMode m : ExecutionMode.values())
3086	+	for (boolean createIncomplete : new boolean[] { true, false })
3087		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2391	–	for (Integer v1 : new Integer[] { 1, null })
3088		{
3089		final CompletableFuture<Integer> f = new CompletableFuture<>();
3090	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3091	<	final Noop r = new Noop();
3092	<
3093	<	assertTrue(g.cancel(mayInterruptIfRunning));
3094	<	f.complete(v1);
3095	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2400	<
2401	<	// unspecified behavior
2402	<	Integer v;
2403	<	try {
2404	<	assertNull(h.join());
2405	<	assertEquals(1, r.invocationCount);
2406	<	} catch (CompletionException ok) {
2407	<	checkCompletedWithWrappedCancellationException(h);
2408	<	assertEquals(0, r.invocationCount);
3090	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3091	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3092	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3093	>	if (createIncomplete) {
3094	>	checkIncomplete(g);
3095	>	assertTrue(f.cancel(mayInterruptIfRunning));
3096		}
3097
3098	<	checkCancelled(g);
3099	<	checkCompletedNormally(f, v1);
3098	>	checkCompletedWithWrappedCancellationException(g);
3099	>	checkCancelled(f);
3100		}}
3101
3102	<	public void testRunAfterEither_sourceCancelled4() {
3102	>	/**
3103	>	* thenCompose result completes exceptionally if the result of the action does
3104	>	*/
3105	>	public void testThenCompose_actionReturnsFailingFuture() {
3106		for (ExecutionMode m : ExecutionMode.values())
3107	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3107	>	for (int order = 0; order < 6; order++)
3108		for (Integer v1 : new Integer[] { 1, null })
3109		{
3110	+	final CFException ex = new CFException();
3111		final CompletableFuture<Integer> f = new CompletableFuture<>();
3112		final CompletableFuture<Integer> g = new CompletableFuture<>();
3113	<	final Noop r = new Noop();
3114	<
3115	<	assertTrue(f.cancel(mayInterruptIfRunning));
3116	<	g.complete(v1);
3117	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3118	<
3119	<	// unspecified behavior
3120	<	Integer v;
3121	<	try {
3122	<	assertNull(h.join());
3123	<	assertEquals(1, r.invocationCount);
3124	<	} catch (CompletionException ok) {
3125	<	checkCompletedWithWrappedCancellationException(h);
3126	<	assertEquals(0, r.invocationCount);
3113	>	final CompletableFuture<Integer> h;
3114	>	// Test all permutations of orders
3115	>	switch (order) {
3116	>	case 0:
3117	>	assertTrue(f.complete(v1));
3118	>	assertTrue(g.completeExceptionally(ex));
3119	>	h = m.thenCompose(f, x -> g);
3120	>	break;
3121	>	case 1:
3122	>	assertTrue(f.complete(v1));
3123	>	h = m.thenCompose(f, x -> g);
3124	>	assertTrue(g.completeExceptionally(ex));
3125	>	break;
3126	>	case 2:
3127	>	assertTrue(g.completeExceptionally(ex));
3128	>	assertTrue(f.complete(v1));
3129	>	h = m.thenCompose(f, x -> g);
3130	>	break;
3131	>	case 3:
3132	>	assertTrue(g.completeExceptionally(ex));
3133	>	h = m.thenCompose(f, x -> g);
3134	>	assertTrue(f.complete(v1));
3135	>	break;
3136	>	case 4:
3137	>	h = m.thenCompose(f, x -> g);
3138	>	assertTrue(f.complete(v1));
3139	>	assertTrue(g.completeExceptionally(ex));
3140	>	break;
3141	>	case 5:
3142	>	h = m.thenCompose(f, x -> g);
3143	>	assertTrue(f.complete(v1));
3144	>	assertTrue(g.completeExceptionally(ex));
3145	>	break;
3146	>	default: throw new AssertionError();
3147		}
3148
3149	<	checkCancelled(f);
3150	<	checkCompletedNormally(g, v1);
3149	>	checkCompletedExceptionally(g, ex);
3150	>	checkCompletedWithWrappedException(h, ex);
3151	>	checkCompletedNormally(f, v1);
3152		}}
3153
3154		/**
3155	<	* thenCompose result completes normally after normal completion of source
3155	>	* exceptionallyCompose result completes normally after normal
3156	>	* completion of source
3157		*/
3158	<	public void testThenCompose_normalCompletion() {
3158	>	public void testExceptionallyCompose_normalCompletion() {
3159		for (ExecutionMode m : ExecutionMode.values())
3160		for (boolean createIncomplete : new boolean[] { true, false })
3161		for (Integer v1 : new Integer[] { 1, null })
3162		{
3163		final CompletableFuture<Integer> f = new CompletableFuture<>();
3164	<	final CompletableFutureInc r = new CompletableFutureInc();
3165	<	if (!createIncomplete) f.complete(v1);
3166	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3167	<	if (createIncomplete) f.complete(v1);
3164	>	final ExceptionalCompletableFutureFunction r =
3165	>	new ExceptionalCompletableFutureFunction(m);
3166	>	if (!createIncomplete) assertTrue(f.complete(v1));
3167	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3168	>	if (createIncomplete) assertTrue(f.complete(v1));
3169
2456	–	checkCompletedNormally(g, inc(v1));
3170		checkCompletedNormally(f, v1);
3171	<	assertEquals(1, r.invocationCount);
3171	>	checkCompletedNormally(g, v1);
3172	>	r.assertNotInvoked();
3173		}}
3174
3175		/**
3176	<	* thenCompose result completes exceptionally after exceptional
3176	>	* exceptionallyCompose result completes normally after exceptional
3177		* completion of source
3178		*/
3179	<	public void testThenCompose_exceptionalCompletion() {
3179	>	public void testExceptionallyCompose_exceptionalCompletion() {
3180		for (ExecutionMode m : ExecutionMode.values())
3181		for (boolean createIncomplete : new boolean[] { true, false })
3182		{
3183		final CFException ex = new CFException();
3184	<	final CompletableFutureInc r = new CompletableFutureInc();
3184	>	final ExceptionalCompletableFutureFunction r =
3185	>	new ExceptionalCompletableFutureFunction(m);
3186		final CompletableFuture<Integer> f = new CompletableFuture<>();
3187		if (!createIncomplete) f.completeExceptionally(ex);
3188	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3188	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3189		if (createIncomplete) f.completeExceptionally(ex);
3190
3191	<	checkCompletedWithWrappedCFException(g, ex);
3192	<	checkCompletedWithWrappedCFException(f, ex);
3193	<	assertEquals(0, r.invocationCount);
3191	>	checkCompletedExceptionally(f, ex);
3192	>	checkCompletedNormally(g, r.value);
3193	>	r.assertInvoked();
3194		}}
3195
3196		/**
3197	<	* thenCompose result completes exceptionally if action does
3197	>	* exceptionallyCompose completes exceptionally on exception if action does
3198		*/
3199	<	public void testThenCompose_actionFailed() {
3199	>	public void testExceptionallyCompose_actionFailed() {
3200		for (ExecutionMode m : ExecutionMode.values())
3201		for (boolean createIncomplete : new boolean[] { true, false })
2487	–	for (Integer v1 : new Integer[] { 1, null })
3202		{
3203	+	final CFException ex = new CFException();
3204		final CompletableFuture<Integer> f = new CompletableFuture<>();
3205	<	final FailingCompletableFutureFunction r
3206	<	= new FailingCompletableFutureFunction();
3207	<	if (!createIncomplete) f.complete(v1);
3208	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3209	<	if (createIncomplete) f.complete(v1);
3205	>	final FailingExceptionalCompletableFutureFunction r
3206	>	= new FailingExceptionalCompletableFutureFunction(m);
3207	>	if (!createIncomplete) f.completeExceptionally(ex);
3208	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3209	>	if (createIncomplete) f.completeExceptionally(ex);
3210
3211	<	checkCompletedWithWrappedCFException(g);
3212	<	checkCompletedNormally(f, v1);
3211	>	checkCompletedExceptionally(f, ex);
3212	>	checkCompletedWithWrappedException(g, r.ex);
3213	>	r.assertInvoked();
3214		}}
3215
3216		/**
3217	<	* thenCompose result completes exceptionally if source cancelled
3217	>	* exceptionallyCompose result completes exceptionally if the
3218	>	* result of the action does
3219		*/
3220	<	public void testThenCompose_sourceCancelled() {
3220	>	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3221		for (ExecutionMode m : ExecutionMode.values())
3222	<	for (boolean createIncomplete : new boolean[] { true, false })
2506	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3222	>	for (int order = 0; order < 6; order++)
3223		{
3224	+	final CFException ex0 = new CFException();
3225	+	final CFException ex = new CFException();
3226		final CompletableFuture<Integer> f = new CompletableFuture<>();
3227	<	final CompletableFutureInc r = new CompletableFutureInc();
3228	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3229	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3230	<	if (createIncomplete) {
3231	<	checkIncomplete(g);
3232	<	assertTrue(f.cancel(mayInterruptIfRunning));
3233	<	}
3234	<
3235	<	checkCompletedWithWrappedCancellationException(g);
3236	<	checkCancelled(f);
3227	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3228	>	final CompletableFuture<Integer> h;
3229	>	// Test all permutations of orders
3230	>	switch (order) {
3231	>	case 0:
3232	>	assertTrue(f.completeExceptionally(ex0));
3233	>	assertTrue(g.completeExceptionally(ex));
3234	>	h = m.exceptionallyCompose(f, x -> g);
3235	>	break;
3236	>	case 1:
3237	>	assertTrue(f.completeExceptionally(ex0));
3238	>	h = m.exceptionallyCompose(f, x -> g);
3239	>	assertTrue(g.completeExceptionally(ex));
3240	>	break;
3241	>	case 2:
3242	>	assertTrue(g.completeExceptionally(ex));
3243	>	assertTrue(f.completeExceptionally(ex0));
3244	>	h = m.exceptionallyCompose(f, x -> g);
3245	>	break;
3246	>	case 3:
3247	>	assertTrue(g.completeExceptionally(ex));
3248	>	h = m.exceptionallyCompose(f, x -> g);
3249	>	assertTrue(f.completeExceptionally(ex0));
3250	>	break;
3251	>	case 4:
3252	>	h = m.exceptionallyCompose(f, x -> g);
3253	>	assertTrue(f.completeExceptionally(ex0));
3254	>	assertTrue(g.completeExceptionally(ex));
3255	>	break;
3256	>	case 5:
3257	>	h = m.exceptionallyCompose(f, x -> g);
3258	>	assertTrue(f.completeExceptionally(ex0));
3259	>	assertTrue(g.completeExceptionally(ex));
3260	>	break;
3261	>	default: throw new AssertionError();
3262	>	}
3263	>
3264	>	checkCompletedExceptionally(g, ex);
3265	>	checkCompletedWithWrappedException(h, ex);
3266	>	checkCompletedExceptionally(f, ex0);
3267		}}
3268
3269		// other static methods
#	Line 2534 | Line 3282 | public class CompletableFutureTest exten
3282		* when all components complete normally
3283		*/
3284		public void testAllOf_normal() throws Exception {
3285	<	for (int k = 1; k < 20; ++k) {
3286	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3287	<	for (int i = 0; i < k; ++i)
3285	>	for (int k = 1; k < 10; k++) {
3286	>	CompletableFuture<Integer>[] fs
3287	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3288	>	for (int i = 0; i < k; i++)
3289	>	fs[i] = new CompletableFuture<>();
3290	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3291	>	for (int i = 0; i < k; i++) {
3292	>	checkIncomplete(f);
3293	>	checkIncomplete(CompletableFuture.allOf(fs));
3294	>	fs[i].complete(one);
3295	>	}
3296	>	checkCompletedNormally(f, null);
3297	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3298	>	}
3299	>	}
3300	>
3301	>	public void testAllOf_normal_backwards() throws Exception {
3302	>	for (int k = 1; k < 10; k++) {
3303	>	CompletableFuture<Integer>[] fs
3304	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3305	>	for (int i = 0; i < k; i++)
3306		fs[i] = new CompletableFuture<>();
3307		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3308	<	for (int i = 0; i < k; ++i) {
3308	>	for (int i = k - 1; i >= 0; i--) {
3309		checkIncomplete(f);
3310		checkIncomplete(CompletableFuture.allOf(fs));
3311		fs[i].complete(one);
#	Line 2549 | Line 3315 | public class CompletableFutureTest exten
3315		}
3316		}
3317
3318	+	public void testAllOf_exceptional() throws Exception {
3319	+	for (int k = 1; k < 10; k++) {
3320	+	CompletableFuture<Integer>[] fs
3321	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3322	+	CFException ex = new CFException();
3323	+	for (int i = 0; i < k; i++)
3324	+	fs[i] = new CompletableFuture<>();
3325	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3326	+	for (int i = 0; i < k; i++) {
3327	+	checkIncomplete(f);
3328	+	checkIncomplete(CompletableFuture.allOf(fs));
3329	+	if (i != k / 2) {
3330	+	fs[i].complete(i);
3331	+	checkCompletedNormally(fs[i], i);
3332	+	} else {
3333	+	fs[i].completeExceptionally(ex);
3334	+	checkCompletedExceptionally(fs[i], ex);
3335	+	}
3336	+	}
3337	+	checkCompletedWithWrappedException(f, ex);
3338	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3339	+	}
3340	+	}
3341	+
3342		/**
3343		* anyOf(no component futures) returns an incomplete future
3344		*/
3345		public void testAnyOf_empty() throws Exception {
3346	+	for (Integer v1 : new Integer[] { 1, null })
3347	+	{
3348		CompletableFuture<Object> f = CompletableFuture.anyOf();
3349		checkIncomplete(f);
3350	<	}
3350	>
3351	>	f.complete(v1);
3352	>	checkCompletedNormally(f, v1);
3353	>	}}
3354
3355		/**
3356		* anyOf returns a future completed normally with a value when
3357		* a component future does
3358		*/
3359		public void testAnyOf_normal() throws Exception {
3360	<	for (int k = 0; k < 10; ++k) {
3360	>	for (int k = 0; k < 10; k++) {
3361		CompletableFuture[] fs = new CompletableFuture[k];
3362	<	for (int i = 0; i < k; ++i)
3362	>	for (int i = 0; i < k; i++)
3363		fs[i] = new CompletableFuture<>();
3364		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3365		checkIncomplete(f);
3366	<	for (int i = 0; i < k; ++i) {
3367	<	fs[i].complete(one);
3368	<	checkCompletedNormally(f, one);
3369	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3366	>	for (int i = 0; i < k; i++) {
3367	>	fs[i].complete(i);
3368	>	checkCompletedNormally(f, 0);
3369	>	int x = (int) CompletableFuture.anyOf(fs).join();
3370	>	assertTrue(0 <= x && x <= i);
3371	>	}
3372	>	}
3373	>	}
3374	>	public void testAnyOf_normal_backwards() throws Exception {
3375	>	for (int k = 0; k < 10; k++) {
3376	>	CompletableFuture[] fs = new CompletableFuture[k];
3377	>	for (int i = 0; i < k; i++)
3378	>	fs[i] = new CompletableFuture<>();
3379	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3380	>	checkIncomplete(f);
3381	>	for (int i = k - 1; i >= 0; i--) {
3382	>	fs[i].complete(i);
3383	>	checkCompletedNormally(f, k - 1);
3384	>	int x = (int) CompletableFuture.anyOf(fs).join();
3385	>	assertTrue(i <= x && x <= k - 1);
3386		}
3387		}
3388		}
#	Line 2580 | Line 3391 | public class CompletableFutureTest exten
3391		* anyOf result completes exceptionally when any component does.
3392		*/
3393		public void testAnyOf_exceptional() throws Exception {
3394	<	for (int k = 0; k < 10; ++k) {
3394	>	for (int k = 0; k < 10; k++) {
3395	>	CompletableFuture[] fs = new CompletableFuture[k];
3396	>	CFException[] exs = new CFException[k];
3397	>	for (int i = 0; i < k; i++) {
3398	>	fs[i] = new CompletableFuture<>();
3399	>	exs[i] = new CFException();
3400	>	}
3401	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3402	>	checkIncomplete(f);
3403	>	for (int i = 0; i < k; i++) {
3404	>	fs[i].completeExceptionally(exs[i]);
3405	>	checkCompletedWithWrappedException(f, exs[0]);
3406	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3407	>	}
3408	>	}
3409	>	}
3410	>
3411	>	public void testAnyOf_exceptional_backwards() throws Exception {
3412	>	for (int k = 0; k < 10; k++) {
3413		CompletableFuture[] fs = new CompletableFuture[k];
3414	<	for (int i = 0; i < k; ++i)
3414	>	CFException[] exs = new CFException[k];
3415	>	for (int i = 0; i < k; i++) {
3416		fs[i] = new CompletableFuture<>();
3417	+	exs[i] = new CFException();
3418	+	}
3419		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3420		checkIncomplete(f);
3421	<	for (int i = 0; i < k; ++i) {
3422	<	fs[i].completeExceptionally(new CFException());
3423	<	checkCompletedWithWrappedCFException(f);
3421	>	for (int i = k - 1; i >= 0; i--) {
3422	>	fs[i].completeExceptionally(exs[i]);
3423	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3424		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3425		}
3426		}
#	Line 2597 | Line 3429 | public class CompletableFutureTest exten
3429		/**
3430		* Completion methods throw NullPointerException with null arguments
3431		*/
3432	+	@SuppressWarnings("FutureReturnValueIgnored")
3433		public void testNPE() {
3434		CompletableFuture<Integer> f = new CompletableFuture<>();
3435		CompletableFuture<Integer> g = new CompletableFuture<>();
3436		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2604	–	CompletableFuture<?> h;
3437		ThreadExecutor exec = new ThreadExecutor();
3438
3439		Runnable[] throwingActions = {
3440		() -> CompletableFuture.supplyAsync(null),
3441		() -> CompletableFuture.supplyAsync(null, exec),
3442	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3442	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3443
3444		() -> CompletableFuture.runAsync(null),
3445		() -> CompletableFuture.runAsync(null, exec),
#	Line 2617 | Line 3449 | public class CompletableFutureTest exten
3449
3450		() -> f.thenApply(null),
3451		() -> f.thenApplyAsync(null),
3452	<	() -> f.thenApplyAsync((x) -> x, null),
3452	>	() -> f.thenApplyAsync(x -> x, null),
3453		() -> f.thenApplyAsync(null, exec),
3454
3455		() -> f.thenAccept(null),
3456		() -> f.thenAcceptAsync(null),
3457	<	() -> f.thenAcceptAsync((x) -> {} , null),
3457	>	() -> f.thenAcceptAsync(x -> {} , null),
3458		() -> f.thenAcceptAsync(null, exec),
3459
3460		() -> f.thenRun(null),
#	Line 2657 | Line 3489 | public class CompletableFutureTest exten
3489		() -> f.applyToEither(g, null),
3490		() -> f.applyToEitherAsync(g, null),
3491		() -> f.applyToEitherAsync(g, null, exec),
3492	<	() -> f.applyToEither(nullFuture, (x) -> x),
3493	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3494	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3495	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3492	>	() -> f.applyToEither(nullFuture, x -> x),
3493	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3494	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3495	>	() -> f.applyToEitherAsync(g, x -> x, null),
3496
3497		() -> f.acceptEither(g, null),
3498		() -> f.acceptEitherAsync(g, null),
3499		() -> f.acceptEitherAsync(g, null, exec),
3500	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3501	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3502	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3503	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3500	>	() -> f.acceptEither(nullFuture, x -> {}),
3501	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3502	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3503	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3504
3505		() -> f.runAfterEither(g, null),
3506		() -> f.runAfterEitherAsync(g, null),
#	Line 2680 | Line 3512 | public class CompletableFutureTest exten
3512
3513		() -> f.thenCompose(null),
3514		() -> f.thenComposeAsync(null),
3515	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3515	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3516		() -> f.thenComposeAsync(null, exec),
3517
3518		() -> f.exceptionally(null),
#	Line 2698 | Line 3530 | public class CompletableFutureTest exten
3530		() -> CompletableFuture.anyOf(null, f),
3531
3532		() -> f.obtrudeException(null),
3533	+
3534	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3535	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3536	+	() -> CompletableFuture.delayedExecutor(1L, null),
3537	+
3538	+	() -> f.orTimeout(1L, null),
3539	+	() -> f.completeOnTimeout(42, 1L, null),
3540	+
3541	+	() -> CompletableFuture.failedFuture(null),
3542	+	() -> CompletableFuture.failedStage(null),
3543		};
3544
3545		assertThrows(NullPointerException.class, throwingActions);
#	Line 2705 | Line 3547 | public class CompletableFutureTest exten
3547		}
3548
3549		/**
3550	+	* Test submissions to an executor that rejects all tasks.
3551	+	*/
3552	+	public void testRejectingExecutor() {
3553	+	for (Integer v : new Integer[] { 1, null })
3554	+	{
3555	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3556	+
3557	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3558	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3559	+
3560	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3561	+
3562	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3563	+	srcs.add(complete);
3564	+	srcs.add(incomplete);
3565	+
3566	+	for (CompletableFuture<Integer> src : srcs) {
3567	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3568	+	fs.add(src.thenRunAsync(() -> {}, e));
3569	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3570	+	fs.add(src.thenApplyAsync(z -> z, e));
3571	+
3572	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3573	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3574	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3575	+
3576	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3577	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3578	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3579	+
3580	+	fs.add(src.thenComposeAsync(z -> null, e));
3581	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3582	+	fs.add(src.handleAsync((z, t) -> null, e));
3583	+
3584	+	for (CompletableFuture<?> future : fs) {
3585	+	if (src.isDone())
3586	+	checkCompletedWithWrappedException(future, e.ex);
3587	+	else
3588	+	checkIncomplete(future);
3589	+	}
3590	+	futures.addAll(fs);
3591	+	}
3592	+
3593	+	{
3594	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3595	+
3596	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3597	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3598	+
3599	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3600	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3601	+
3602	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3603	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3604	+
3605	+	for (CompletableFuture<?> future : fs)
3606	+	checkIncomplete(future);
3607	+	futures.addAll(fs);
3608	+	}
3609	+
3610	+	{
3611	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3612	+
3613	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3614	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3615	+
3616	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3617	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3618	+
3619	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3620	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3621	+
3622	+	for (CompletableFuture<?> future : fs)
3623	+	checkCompletedWithWrappedException(future, e.ex);
3624	+	futures.addAll(fs);
3625	+	}
3626	+
3627	+	incomplete.complete(v);
3628	+
3629	+	for (CompletableFuture<?> future : futures)
3630	+	checkCompletedWithWrappedException(future, e.ex);
3631	+
3632	+	assertEquals(futures.size(), e.count.get());
3633	+	}}
3634	+
3635	+	/**
3636	+	* Test submissions to an executor that rejects all tasks, but
3637	+	* should never be invoked because the dependent future is
3638	+	* explicitly completed.
3639	+	*/
3640	+	public void testRejectingExecutorNeverInvoked() {
3641	+	for (Integer v : new Integer[] { 1, null })
3642	+	{
3643	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3644	+
3645	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3646	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3647	+
3648	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3649	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3650	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3651	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3652	+
3653	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3654	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3655	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3656	+
3657	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3658	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3659	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3660	+
3661	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3662	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3663	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3664	+
3665	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3666	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3667	+
3668	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3669	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3670	+
3671	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3672	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3673	+
3674	+	for (CompletableFuture<?> future : fs)
3675	+	checkIncomplete(future);
3676	+
3677	+	for (CompletableFuture<?> future : fs)
3678	+	future.complete(null);
3679	+
3680	+	incomplete.complete(v);
3681	+
3682	+	for (CompletableFuture<?> future : fs)
3683	+	checkCompletedNormally(future, null);
3684	+
3685	+	assertEquals(0, e.count.get());
3686	+	}}
3687	+
3688	+	/**
3689		* toCompletableFuture returns this CompletableFuture.
3690		*/
3691		public void testToCompletableFuture() {
#	Line 2712 | Line 3693 | public class CompletableFutureTest exten
3693		assertSame(f, f.toCompletableFuture());
3694		}
3695
3696	+	// jdk9
3697	+
3698		/**
3699	<	* whenComplete action executes on normal completion, propagating
2717	<	* source result.
3699	>	* newIncompleteFuture returns an incomplete CompletableFuture
3700		*/
3701	<	public void testWhenComplete_normalCompletion1() {
3702	<	for (ExecutionMode m : ExecutionMode.values())
3701	>	public void testNewIncompleteFuture() {
3702	>	for (Integer v1 : new Integer[] { 1, null })
3703	>	{
3704	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3705	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3706	>	checkIncomplete(f);
3707	>	checkIncomplete(g);
3708	>	f.complete(v1);
3709	>	checkCompletedNormally(f, v1);
3710	>	checkIncomplete(g);
3711	>	g.complete(v1);
3712	>	checkCompletedNormally(g, v1);
3713	>	assertSame(g.getClass(), CompletableFuture.class);
3714	>	}}
3715	>
3716	>	/**
3717	>	* completedStage returns a completed CompletionStage
3718	>	*/
3719	>	public void testCompletedStage() {
3720	>	AtomicInteger x = new AtomicInteger(0);
3721	>	AtomicReference<Throwable> r = new AtomicReference<>();
3722	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3723	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3724	>	assertEquals(x.get(), 1);
3725	>	assertNull(r.get());
3726	>	}
3727	>
3728	>	/**
3729	>	* defaultExecutor by default returns the commonPool if
3730	>	* it supports more than one thread.
3731	>	*/
3732	>	public void testDefaultExecutor() {
3733	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3734	>	Executor e = f.defaultExecutor();
3735	>	Executor c = ForkJoinPool.commonPool();
3736	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3737	>	assertSame(e, c);
3738	>	else
3739	>	assertNotSame(e, c);
3740	>	}
3741	>
3742	>	/**
3743	>	* failedFuture returns a CompletableFuture completed
3744	>	* exceptionally with the given Exception
3745	>	*/
3746	>	public void testFailedFuture() {
3747	>	CFException ex = new CFException();
3748	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3749	>	checkCompletedExceptionally(f, ex);
3750	>	}
3751	>
3752	>	/**
3753	>	* failedFuture(null) throws NPE
3754	>	*/
3755	>	public void testFailedFuture_null() {
3756	>	try {
3757	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3758	>	shouldThrow();
3759	>	} catch (NullPointerException success) {}
3760	>	}
3761	>
3762	>	/**
3763	>	* copy returns a CompletableFuture that is completed normally,
3764	>	* with the same value, when source is.
3765	>	*/
3766	>	public void testCopy_normalCompletion() {
3767		for (boolean createIncomplete : new boolean[] { true, false })
3768		for (Integer v1 : new Integer[] { 1, null })
3769		{
3770	<	final AtomicInteger a = new AtomicInteger(0);
3771	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3772	<	if (!createIncomplete) f.complete(v1);
3773	<	final CompletableFuture<Integer> g = m.whenComplete
3774	<	(f,
3775	<	(Integer x, Throwable t) -> {
3776	<	threadAssertSame(x, v1);
3777	<	threadAssertNull(t);
3778	<	a.getAndIncrement();
3779	<	});
3780	<	if (createIncomplete) f.complete(v1);
3770	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3771	>	if (!createIncomplete) assertTrue(f.complete(v1));
3772	>	CompletableFuture<Integer> g = f.copy();
3773	>	if (createIncomplete) {
3774	>	checkIncomplete(f);
3775	>	checkIncomplete(g);
3776	>	assertTrue(f.complete(v1));
3777	>	}
3778	>	checkCompletedNormally(f, v1);
3779	>	checkCompletedNormally(g, v1);
3780	>	}}
3781	>
3782	>	/**
3783	>	* copy returns a CompletableFuture that is completed exceptionally
3784	>	* when source is.
3785	>	*/
3786	>	public void testCopy_exceptionalCompletion() {
3787	>	for (boolean createIncomplete : new boolean[] { true, false })
3788	>	{
3789	>	CFException ex = new CFException();
3790	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3791	>	if (!createIncomplete) f.completeExceptionally(ex);
3792	>	CompletableFuture<Integer> g = f.copy();
3793	>	if (createIncomplete) {
3794	>	checkIncomplete(f);
3795	>	checkIncomplete(g);
3796	>	f.completeExceptionally(ex);
3797	>	}
3798	>	checkCompletedExceptionally(f, ex);
3799	>	checkCompletedWithWrappedException(g, ex);
3800	>	}}
3801	>
3802	>	/**
3803	>	* Completion of a copy does not complete its source.
3804	>	*/
3805	>	public void testCopy_oneWayPropagation() {
3806	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3807	>	assertTrue(f.copy().complete(1));
3808	>	assertTrue(f.copy().complete(null));
3809	>	assertTrue(f.copy().cancel(true));
3810	>	assertTrue(f.copy().cancel(false));
3811	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3812	>	checkIncomplete(f);
3813	>	}
3814	>
3815	>	/**
3816	>	* minimalCompletionStage returns a CompletableFuture that is
3817	>	* completed normally, with the same value, when source is.
3818	>	*/
3819	>	public void testMinimalCompletionStage() {
3820	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3821	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3822	>	AtomicInteger x = new AtomicInteger(0);
3823	>	AtomicReference<Throwable> r = new AtomicReference<>();
3824	>	checkIncomplete(f);
3825	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3826	>	f.complete(1);
3827	>	checkCompletedNormally(f, 1);
3828	>	assertEquals(x.get(), 1);
3829	>	assertNull(r.get());
3830	>	}
3831	>
3832	>	/**
3833	>	* minimalCompletionStage returns a CompletableFuture that is
3834	>	* completed exceptionally when source is.
3835	>	*/
3836	>	public void testMinimalCompletionStage2() {
3837	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3838	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3839	>	AtomicInteger x = new AtomicInteger(0);
3840	>	AtomicReference<Throwable> r = new AtomicReference<>();
3841	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3842	>	checkIncomplete(f);
3843	>	CFException ex = new CFException();
3844	>	f.completeExceptionally(ex);
3845	>	checkCompletedExceptionally(f, ex);
3846	>	assertEquals(x.get(), 0);
3847	>	assertEquals(r.get().getCause(), ex);
3848	>	}
3849	>
3850	>	/**
3851	>	* failedStage returns a CompletionStage completed
3852	>	* exceptionally with the given Exception
3853	>	*/
3854	>	public void testFailedStage() {
3855	>	CFException ex = new CFException();
3856	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3857	>	AtomicInteger x = new AtomicInteger(0);
3858	>	AtomicReference<Throwable> r = new AtomicReference<>();
3859	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3860	>	assertEquals(x.get(), 0);
3861	>	assertEquals(r.get(), ex);
3862	>	}
3863	>
3864	>	/**
3865	>	* completeAsync completes with value of given supplier
3866	>	*/
3867	>	public void testCompleteAsync() {
3868	>	for (Integer v1 : new Integer[] { 1, null })
3869	>	{
3870	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3871	>	f.completeAsync(() -> v1);
3872	>	f.join();
3873	>	checkCompletedNormally(f, v1);
3874	>	}}
3875	>
3876	>	/**
3877	>	* completeAsync completes exceptionally if given supplier throws
3878	>	*/
3879	>	public void testCompleteAsync2() {
3880	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3881	>	CFException ex = new CFException();
3882	>	f.completeAsync(() -> { throw ex; });
3883	>	try {
3884	>	f.join();
3885	>	shouldThrow();
3886	>	} catch (CompletionException success) {}
3887	>	checkCompletedWithWrappedException(f, ex);
3888	>	}
3889	>
3890	>	/**
3891	>	* completeAsync with given executor completes with value of given supplier
3892	>	*/
3893	>	public void testCompleteAsync3() {
3894	>	for (Integer v1 : new Integer[] { 1, null })
3895	>	{
3896	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3897	>	ThreadExecutor executor = new ThreadExecutor();
3898	>	f.completeAsync(() -> v1, executor);
3899	>	assertSame(v1, f.join());
3900	>	checkCompletedNormally(f, v1);
3901	>	assertEquals(1, executor.count.get());
3902	>	}}
3903	>
3904	>	/**
3905	>	* completeAsync with given executor completes exceptionally if
3906	>	* given supplier throws
3907	>	*/
3908	>	public void testCompleteAsync4() {
3909	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3910	>	CFException ex = new CFException();
3911	>	ThreadExecutor executor = new ThreadExecutor();
3912	>	f.completeAsync(() -> { throw ex; }, executor);
3913	>	try {
3914	>	f.join();
3915	>	shouldThrow();
3916	>	} catch (CompletionException success) {}
3917	>	checkCompletedWithWrappedException(f, ex);
3918	>	assertEquals(1, executor.count.get());
3919	>	}
3920	>
3921	>	/**
3922	>	* orTimeout completes with TimeoutException if not complete
3923	>	*/
3924	>	public void testOrTimeout_timesOut() {
3925	>	long timeoutMillis = timeoutMillis();
3926	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3927	>	long startTime = System.nanoTime();
3928	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3929	>	checkCompletedWithTimeoutException(f);
3930	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3931	>	}
3932
3933	+	/**
3934	+	* orTimeout completes normally if completed before timeout
3935	+	*/
3936	+	public void testOrTimeout_completed() {
3937	+	for (Integer v1 : new Integer[] { 1, null })
3938	+	{
3939	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3940	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3941	+	long startTime = System.nanoTime();
3942	+	f.complete(v1);
3943	+	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3944	+	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3945	+	g.complete(v1);
3946	+	checkCompletedNormally(f, v1);
3947		checkCompletedNormally(g, v1);
3948	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3949	+	}}
3950	+
3951	+	/**
3952	+	* completeOnTimeout completes with given value if not complete
3953	+	*/
3954	+	public void testCompleteOnTimeout_timesOut() {
3955	+	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3956	+	() -> testCompleteOnTimeout_timesOut(null));
3957	+	}
3958	+
3959	+	/**
3960	+	* completeOnTimeout completes with given value if not complete
3961	+	*/
3962	+	public void testCompleteOnTimeout_timesOut(Integer v) {
3963	+	long timeoutMillis = timeoutMillis();
3964	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3965	+	long startTime = System.nanoTime();
3966	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3967	+	assertSame(v, f.join());
3968	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3969	+	f.complete(99);         // should have no effect
3970	+	checkCompletedNormally(f, v);
3971	+	}
3972	+
3973	+	/**
3974	+	* completeOnTimeout has no effect if completed within timeout
3975	+	*/
3976	+	public void testCompleteOnTimeout_completed() {
3977	+	for (Integer v1 : new Integer[] { 1, null })
3978	+	{
3979	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3980	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3981	+	long startTime = System.nanoTime();
3982	+	f.complete(v1);
3983	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3984	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3985	+	g.complete(v1);
3986		checkCompletedNormally(f, v1);
3987	<	assertEquals(1, a.get());
3987	>	checkCompletedNormally(g, v1);
3988	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3989		}}
3990
3991		/**
3992	<	* whenComplete action executes on exceptional completion, propagating
2743	<	* source result.
3992	>	* delayedExecutor returns an executor that delays submission
3993		*/
3994	<	public void testWhenComplete_exceptionalCompletion() {
3994	>	public void testDelayedExecutor() {
3995	>	testInParallel(() -> testDelayedExecutor(null, null),
3996	>	() -> testDelayedExecutor(null, 1),
3997	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3998	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3999	>	}
4000	>
4001	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
4002	>	long timeoutMillis = timeoutMillis();
4003	>	// Use an "unreasonably long" long timeout to catch lingering threads
4004	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
4005	>	final Executor delayer, longDelayer;
4006	>	if (executor == null) {
4007	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
4008	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
4009	>	} else {
4010	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
4011	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
4012	>	}
4013	>	long startTime = System.nanoTime();
4014	>	CompletableFuture<Integer> f =
4015	>	CompletableFuture.supplyAsync(() -> v, delayer);
4016	>	CompletableFuture<Integer> g =
4017	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
4018	>
4019	>	assertNull(g.getNow(null));
4020	>
4021	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
4022	>	long millisElapsed = millisElapsedSince(startTime);
4023	>	assertTrue(millisElapsed >= timeoutMillis);
4024	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
4025	>
4026	>	checkCompletedNormally(f, v);
4027	>
4028	>	checkIncomplete(g);
4029	>	assertTrue(g.cancel(true));
4030	>	}
4031	>
4032	>	//--- tests of implementation details; not part of official tck ---
4033	>
4034	>	Object resultOf(CompletableFuture<?> f) {
4035	>	SecurityManager sm = System.getSecurityManager();
4036	>	if (sm != null) {
4037	>	try {
4038	>	System.setSecurityManager(null);
4039	>	} catch (SecurityException giveUp) {
4040	>	return "Reflection not available";
4041	>	}
4042	>	}
4043	>
4044	>	try {
4045	>	java.lang.reflect.Field resultField
4046	>	= CompletableFuture.class.getDeclaredField("result");
4047	>	resultField.setAccessible(true);
4048	>	return resultField.get(f);
4049	>	} catch (Throwable t) {
4050	>	throw new AssertionError(t);
4051	>	} finally {
4052	>	if (sm != null) System.setSecurityManager(sm);
4053	>	}
4054	>	}
4055	>
4056	>	public void testExceptionPropagationReusesResultObject() {
4057	>	if (!testImplementationDetails) return;
4058		for (ExecutionMode m : ExecutionMode.values())
4059	+	{
4060	+	final CFException ex = new CFException();
4061	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4062	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4063	+
4064	+	final Runnable noopRunnable = new Noop(m);
4065	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4066	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
4067	+
4068	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4069	+	= new ArrayList<>();
4070	+
4071	+	funs.add(y -> m.thenRun(y, noopRunnable));
4072	+	funs.add(y -> m.thenAccept(y, noopConsumer));
4073	+	funs.add(y -> m.thenApply(y, incFunction));
4074	+
4075	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4076	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4077	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4078	+
4079	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4080	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4081	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4082	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4083	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4084	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4085	+
4086	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4087	+
4088	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4089	+
4090	+	funs.add(y -> CompletableFuture.allOf(y));
4091	+	funs.add(y -> CompletableFuture.allOf(y, v42));
4092	+	funs.add(y -> CompletableFuture.allOf(v42, y));
4093	+	funs.add(y -> CompletableFuture.anyOf(y));
4094	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4095	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4096	+
4097	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4098	+	fun : funs) {
4099	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4100	+	f.completeExceptionally(ex);
4101	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4102	+	checkCompletedWithWrappedException(src, ex);
4103	+	CompletableFuture<?> dep = fun.apply(src);
4104	+	checkCompletedWithWrappedException(dep, ex);
4105	+	assertSame(resultOf(src), resultOf(dep));
4106	+	}
4107	+
4108	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4109	+	fun : funs) {
4110	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4111	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4112	+	CompletableFuture<?> dep = fun.apply(src);
4113	+	f.completeExceptionally(ex);
4114	+	checkCompletedWithWrappedException(src, ex);
4115	+	checkCompletedWithWrappedException(dep, ex);
4116	+	assertSame(resultOf(src), resultOf(dep));
4117	+	}
4118	+
4119	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4120	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4121	+	fun : funs) {
4122	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4123	+	f.cancel(mayInterruptIfRunning);
4124	+	checkCancelled(f);
4125	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4126	+	checkCompletedWithWrappedCancellationException(src);
4127	+	CompletableFuture<?> dep = fun.apply(src);
4128	+	checkCompletedWithWrappedCancellationException(dep);
4129	+	assertSame(resultOf(src), resultOf(dep));
4130	+	}
4131	+
4132	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4133	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4134	+	fun : funs) {
4135	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4136	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4137	+	CompletableFuture<?> dep = fun.apply(src);
4138	+	f.cancel(mayInterruptIfRunning);
4139	+	checkCancelled(f);
4140	+	checkCompletedWithWrappedCancellationException(src);
4141	+	checkCompletedWithWrappedCancellationException(dep);
4142	+	assertSame(resultOf(src), resultOf(dep));
4143	+	}
4144	+	}}
4145	+
4146	+	/**
4147	+	* Minimal completion stages throw UOE for most non-CompletionStage methods
4148	+	*/
4149	+	public void testMinimalCompletionStage_minimality() {
4150	+	if (!testImplementationDetails) return;
4151	+	Function<Method, String> toSignature =
4152	+	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4153	+	Predicate<Method> isNotStatic =
4154	+	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4155	+	List<Method> minimalMethods =
4156	+	Stream.of(Object.class, CompletionStage.class)
4157	+	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4158	+	.filter(isNotStatic)
4159	+	.collect(Collectors.toList());
4160	+	// Methods from CompletableFuture permitted NOT to throw UOE
4161	+	String[] signatureWhitelist = {
4162	+	"newIncompleteFuture[]",
4163	+	"defaultExecutor[]",
4164	+	"minimalCompletionStage[]",
4165	+	"copy[]",
4166	+	};
4167	+	Set<String> permittedMethodSignatures =
4168	+	Stream.concat(minimalMethods.stream().map(toSignature),
4169	+	Stream.of(signatureWhitelist))
4170	+	.collect(Collectors.toSet());
4171	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4172	+	.filter(isNotStatic)
4173	+	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4174	+	.collect(Collectors.toList());
4175	+
4176	+	List<CompletionStage<Integer>> stages = new ArrayList<>();
4177	+	CompletionStage<Integer> min =
4178	+	new CompletableFuture<Integer>().minimalCompletionStage();
4179	+	stages.add(min);
4180	+	stages.add(min.thenApply(x -> x));
4181	+	stages.add(CompletableFuture.completedStage(1));
4182	+	stages.add(CompletableFuture.failedStage(new CFException()));
4183	+
4184	+	List<Method> bugs = new ArrayList<>();
4185	+	for (Method method : allMethods) {
4186	+	Class<?>[] parameterTypes = method.getParameterTypes();
4187	+	Object[] args = new Object[parameterTypes.length];
4188	+	// Manufacture boxed primitives for primitive params
4189	+	for (int i = 0; i < args.length; i++) {
4190	+	Class<?> type = parameterTypes[i];
4191	+	if (parameterTypes[i] == boolean.class)
4192	+	args[i] = false;
4193	+	else if (parameterTypes[i] == int.class)
4194	+	args[i] = 0;
4195	+	else if (parameterTypes[i] == long.class)
4196	+	args[i] = 0L;
4197	+	}
4198	+	for (CompletionStage<Integer> stage : stages) {
4199	+	try {
4200	+	method.invoke(stage, args);
4201	+	bugs.add(method);
4202	+	}
4203	+	catch (java.lang.reflect.InvocationTargetException expected) {
4204	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4205	+	bugs.add(method);
4206	+	// expected.getCause().printStackTrace();
4207	+	}
4208	+	}
4209	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4210	+	}
4211	+	}
4212	+	if (!bugs.isEmpty())
4213	+	throw new Error("Methods did not throw UOE: " + bugs);
4214	+	}
4215	+
4216	+	/**
4217	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4218	+	* is completed normally, with the same value, when source is.
4219	+	*/
4220	+	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4221	+	for (boolean createIncomplete : new boolean[] { true, false })
4222	+	for (Integer v1 : new Integer[] { 1, null })
4223	+	{
4224	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4225	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4226	+	if (!createIncomplete) assertTrue(f.complete(v1));
4227	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4228	+	if (createIncomplete) {
4229	+	checkIncomplete(f);
4230	+	checkIncomplete(g);
4231	+	assertTrue(f.complete(v1));
4232	+	}
4233	+	checkCompletedNormally(f, v1);
4234	+	checkCompletedNormally(g, v1);
4235	+	}}
4236	+
4237	+	/**
4238	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4239	+	* is completed exceptionally when source is.
4240	+	*/
4241	+	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4242	+	for (boolean createIncomplete : new boolean[] { true, false })
4243	+	{
4244	+	CFException ex = new CFException();
4245	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4246	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4247	+	if (!createIncomplete) f.completeExceptionally(ex);
4248	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4249	+	if (createIncomplete) {
4250	+	checkIncomplete(f);
4251	+	checkIncomplete(g);
4252	+	f.completeExceptionally(ex);
4253	+	}
4254	+	checkCompletedExceptionally(f, ex);
4255	+	checkCompletedWithWrappedException(g, ex);
4256	+	}}
4257	+
4258	+	/**
4259	+	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4260	+	*/
4261	+	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4262	+	for (Integer v1 : new Integer[] { 1, null })
4263	+	{
4264	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4265	+	CompletionStage minimal = f.minimalCompletionStage();
4266	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4267	+	assertTrue(g.complete(v1));
4268	+	checkCompletedNormally(g, v1);
4269	+	checkIncomplete(f);
4270	+	checkIncomplete(minimal.toCompletableFuture());
4271	+	}}
4272	+
4273	+	/**
4274	+	* minimalStage.toCompletableFuture().join() awaits completion
4275	+	*/
4276	+	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4277	+	for (boolean createIncomplete : new boolean[] { true, false })
4278	+	for (Integer v1 : new Integer[] { 1, null })
4279	+	{
4280	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4281	+	if (!createIncomplete) assertTrue(f.complete(v1));
4282	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4283	+	if (createIncomplete) assertTrue(f.complete(v1));
4284	+	assertEquals(v1, minimal.toCompletableFuture().join());
4285	+	assertEquals(v1, minimal.toCompletableFuture().get());
4286	+	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4287	+	}}
4288	+
4289	+	/**
4290	+	* Completion of a toCompletableFuture copy of a minimal stage
4291	+	* does not complete its source.
4292	+	*/
4293	+	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4294	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4295	+	CompletionStage<Integer> g = f.minimalCompletionStage();
4296	+	assertTrue(g.toCompletableFuture().complete(1));
4297	+	assertTrue(g.toCompletableFuture().complete(null));
4298	+	assertTrue(g.toCompletableFuture().cancel(true));
4299	+	assertTrue(g.toCompletableFuture().cancel(false));
4300	+	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4301	+	checkIncomplete(g.toCompletableFuture());
4302	+	f.complete(1);
4303	+	checkCompletedNormally(g.toCompletableFuture(), 1);
4304	+	}
4305	+
4306	+	/** Demo utility method for external reliable toCompletableFuture */
4307	+	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4308	+	CompletableFuture<T> f = new CompletableFuture<>();
4309	+	stage.handle((T t, Throwable ex) -> {
4310	+	if (ex != null) f.completeExceptionally(ex);
4311	+	else f.complete(t);
4312	+	return null;
4313	+	});
4314	+	return f;
4315	+	}
4316	+
4317	+	/** Demo utility method to join a CompletionStage */
4318	+	static <T> T join(CompletionStage<T> stage) {
4319	+	return toCompletableFuture(stage).join();
4320	+	}
4321	+
4322	+	/**
4323	+	* Joining a minimal stage "by hand" works
4324	+	*/
4325	+	public void testMinimalCompletionStage_join_by_hand() {
4326	+	for (boolean createIncomplete : new boolean[] { true, false })
4327	+	for (Integer v1 : new Integer[] { 1, null })
4328	+	{
4329	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4330	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4331	+	CompletableFuture<Integer> g = new CompletableFuture<>();
4332	+	if (!createIncomplete) assertTrue(f.complete(v1));
4333	+	minimal.thenAccept(x -> g.complete(x));
4334	+	if (createIncomplete) assertTrue(f.complete(v1));
4335	+	g.join();
4336	+	checkCompletedNormally(g, v1);
4337	+	checkCompletedNormally(f, v1);
4338	+	assertEquals(v1, join(minimal));
4339	+	}}
4340	+
4341	+	static class Monad {
4342	+	static class ZeroException extends RuntimeException {
4343	+	public ZeroException() { super("monadic zero"); }
4344	+	}
4345	+	// "return", "unit"
4346	+	static <T> CompletableFuture<T> unit(T value) {
4347	+	return completedFuture(value);
4348	+	}
4349	+	// monadic zero ?
4350	+	static <T> CompletableFuture<T> zero() {
4351	+	return failedFuture(new ZeroException());
4352	+	}
4353	+	// >=>
4354	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4355	+	(Function<T, CompletableFuture<U>> f,
4356	+	Function<U, CompletableFuture<V>> g) {
4357	+	return x -> f.apply(x).thenCompose(g);
4358	+	}
4359	+
4360	+	static void assertZero(CompletableFuture<?> f) {
4361	+	try {
4362	+	f.getNow(null);
4363	+	throw new AssertionError("should throw");
4364	+	} catch (CompletionException success) {
4365	+	assertTrue(success.getCause() instanceof ZeroException);
4366	+	}
4367	+	}
4368	+
4369	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4370	+	CompletableFuture<T> g) {
4371	+	T fval = null, gval = null;
4372	+	Throwable fex = null, gex = null;
4373	+
4374	+	try { fval = f.get(); }
4375	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4376	+	catch (Throwable ex) { fex = ex; }
4377	+
4378	+	try { gval = g.get(); }
4379	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4380	+	catch (Throwable ex) { gex = ex; }
4381	+
4382	+	if (fex != null || gex != null)
4383	+	assertSame(fex.getClass(), gex.getClass());
4384	+	else
4385	+	assertEquals(fval, gval);
4386	+	}
4387	+
4388	+	static class PlusFuture<T> extends CompletableFuture<T> {
4389	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4390	+	}
4391	+
4392	+	/** Implements "monadic plus". */
4393	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4394	+	CompletableFuture<? extends T> g) {
4395	+	PlusFuture<T> plus = new PlusFuture<T>();
4396	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4397	+	try {
4398	+	if (ex == null) {
4399	+	if (plus.complete(result))
4400	+	if (plus.firstFailure.get() != null)
4401	+	plus.firstFailure.set(null);
4402	+	}
4403	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4404	+	if (plus.isDone())
4405	+	plus.firstFailure.set(null);
4406	+	}
4407	+	else {
4408	+	// first failure has precedence
4409	+	Throwable first = plus.firstFailure.getAndSet(null);
4410	+
4411	+	// may fail with "Self-suppression not permitted"
4412	+	try { first.addSuppressed(ex); }
4413	+	catch (Exception ignored) {}
4414	+
4415	+	plus.completeExceptionally(first);
4416	+	}
4417	+	} catch (Throwable unexpected) {
4418	+	plus.completeExceptionally(unexpected);
4419	+	}
4420	+	};
4421	+	f.whenComplete(action);
4422	+	g.whenComplete(action);
4423	+	return plus;
4424	+	}
4425	+	}
4426	+
4427	+	/**
4428	+	* CompletableFuture is an additive monad - sort of.
4429	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4430	+	*/
4431	+	public void testAdditiveMonad() throws Throwable {
4432	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4433	+	CompletableFuture<Long> zero = Monad.zero();
4434	+
4435	+	// Some mutually non-commutative functions
4436	+	Function<Long, CompletableFuture<Long>> triple
4437	+	= x -> Monad.unit(3 * x);
4438	+	Function<Long, CompletableFuture<Long>> inc
4439	+	= x -> Monad.unit(x + 1);
4440	+
4441	+	// unit is a right identity: m >>= unit === m
4442	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4443	+	inc.apply(5L));
4444	+	// unit is a left identity: (unit x) >>= f === f x
4445	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4446	+	inc.apply(5L));
4447	+
4448	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4449	+	Monad.assertFutureEquals(
4450	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4451	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4452	+
4453	+	// The case for CompletableFuture as an additive monad is weaker...
4454	+
4455	+	// zero is a monadic zero
4456	+	Monad.assertZero(zero);
4457	+
4458	+	// left zero: zero >>= f === zero
4459	+	Monad.assertZero(zero.thenCompose(inc));
4460	+	// right zero: f >>= (\x -> zero) === zero
4461	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4462	+
4463	+	// f plus zero === f
4464	+	Monad.assertFutureEquals(Monad.unit(5L),
4465	+	Monad.plus(Monad.unit(5L), zero));
4466	+	// zero plus f === f
4467	+	Monad.assertFutureEquals(Monad.unit(5L),
4468	+	Monad.plus(zero, Monad.unit(5L)));
4469	+	// zero plus zero === zero
4470	+	Monad.assertZero(Monad.plus(zero, zero));
4471	+	{
4472	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4473	+	Monad.unit(8L));
4474	+	// non-determinism
4475	+	assertTrue(f.get() == 5L || f.get() == 8L);
4476	+	}
4477	+
4478	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4479	+	// f plus godot === f (doesn't wait for godot)
4480	+	Monad.assertFutureEquals(Monad.unit(5L),
4481	+	Monad.plus(Monad.unit(5L), godot));
4482	+	// godot plus f === f (doesn't wait for godot)
4483	+	Monad.assertFutureEquals(Monad.unit(5L),
4484	+	Monad.plus(godot, Monad.unit(5L)));
4485	+	}
4486	+
4487	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4488	+	@SuppressWarnings("FutureReturnValueIgnored")
4489	+	public void testRecursiveChains() throws Throwable {
4490	+	for (ExecutionMode m : ExecutionMode.values())
4491	+	for (boolean addDeadEnds : new boolean[] { true, false })
4492	+	{
4493	+	final int val = 42;
4494	+	final int n = expensiveTests ? 1_000 : 2;
4495	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4496	+	CompletableFuture<Integer> tail = head;
4497	+	for (int i = 0; i < n; i++) {
4498	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4499	+	tail = m.thenApply(tail, v -> v + 1);
4500	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4501	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4502	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4503	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4504	+	}
4505	+	head.complete(val);
4506	+	assertEquals(val + 3 * n, (int) tail.join());
4507	+	}}
4508	+
4509	+	/**
4510	+	* A single CompletableFuture with many dependents.
4511	+	* A demo of scalability - runtime is O(n).
4512	+	*/
4513	+	@SuppressWarnings("FutureReturnValueIgnored")
4514	+	public void testManyDependents() throws Throwable {
4515	+	final int n = expensiveTests ? 1_000_000 : 10;
4516	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4517	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4518	+	final AtomicInteger count = new AtomicInteger(0);
4519	+	for (int i = 0; i < n; i++) {
4520	+	head.thenRun(() -> count.getAndIncrement());
4521	+	head.thenAccept(x -> count.getAndIncrement());
4522	+	head.thenApply(x -> count.getAndIncrement());
4523	+
4524	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4525	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4526	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4527	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4528	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4529	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4530	+
4531	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4532	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4533	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4534	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4535	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4536	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4537	+	}
4538	+	head.complete(null);
4539	+	assertEquals(5 * 3 * n, count.get());
4540	+	}
4541	+
4542	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4543	+	@SuppressWarnings("FutureReturnValueIgnored")
4544	+	public void testCoCompletionGarbageRetention() throws Throwable {
4545	+	final int n = expensiveTests ? 1_000_000 : 10;
4546	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4547	+	CompletableFuture<Integer> f;
4548	+	for (int i = 0; i < n; i++) {
4549	+	f = new CompletableFuture<>();
4550	+	f.runAfterEither(incomplete, () -> {});
4551	+	f.complete(null);
4552	+
4553	+	f = new CompletableFuture<>();
4554	+	f.acceptEither(incomplete, x -> {});
4555	+	f.complete(null);
4556	+
4557	+	f = new CompletableFuture<>();
4558	+	f.applyToEither(incomplete, x -> x);
4559	+	f.complete(null);
4560	+
4561	+	f = new CompletableFuture<>();
4562	+	CompletableFuture.anyOf(f, incomplete);
4563	+	f.complete(null);
4564	+	}
4565	+
4566	+	for (int i = 0; i < n; i++) {
4567	+	f = new CompletableFuture<>();
4568	+	incomplete.runAfterEither(f, () -> {});
4569	+	f.complete(null);
4570	+
4571	+	f = new CompletableFuture<>();
4572	+	incomplete.acceptEither(f, x -> {});
4573	+	f.complete(null);
4574	+
4575	+	f = new CompletableFuture<>();
4576	+	incomplete.applyToEither(f, x -> x);
4577	+	f.complete(null);
4578	+
4579	+	f = new CompletableFuture<>();
4580	+	CompletableFuture.anyOf(incomplete, f);
4581	+	f.complete(null);
4582	+	}
4583	+	}
4584	+
4585	+	/**
4586	+	* Reproduction recipe for:
4587	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4588	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4589	+	*/
4590	+	public void testAnyOfGarbageRetention() throws Throwable {
4591	+	for (Integer v : new Integer[] { 1, null })
4592	+	{
4593	+	final int n = expensiveTests ? 100_000 : 10;
4594	+	CompletableFuture<Integer>[] fs
4595	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4596	+	for (int i = 0; i < fs.length; i++)
4597	+	fs[i] = new CompletableFuture<>();
4598	+	fs[fs.length - 1].complete(v);
4599	+	for (int i = 0; i < n; i++)
4600	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4601	+	}}
4602	+
4603	+	/**
4604	+	* Checks for garbage retention with allOf.
4605	+	*
4606	+	* As of 2016-07, fails with OOME:
4607	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4608	+	*/
4609	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4610	+	final int n = expensiveTests ? 100_000 : 10;
4611	+	CompletableFuture<Integer>[] fs
4612	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4613	+	for (int i = 0; i < fs.length; i++)
4614	+	fs[i] = new CompletableFuture<>();
4615	+	for (int i = 0; i < n; i++)
4616	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4617	+	}
4618	+
4619	+	/**
4620	+	* Checks for garbage retention when a dependent future is
4621	+	* cancelled and garbage-collected.
4622	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4623	+	*
4624	+	* As of 2016-07, fails with OOME:
4625	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4626	+	*/
4627	+	public void testCancelledGarbageRetention() throws Throwable {
4628	+	final int n = expensiveTests ? 100_000 : 10;
4629	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4630	+	for (int i = 0; i < n; i++)
4631	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4632	+	}
4633	+
4634	+	/**
4635	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4636	+	* is invoked many times.
4637	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4638	+	*
4639	+	* As of 2016-07, fails with OOME:
4640	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4641	+	*/
4642	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4643	+	final int n = expensiveTests ? 900_000 : 10;
4644	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4645	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4646	+	for (int i = 0; i < n; i++)
4647	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4648	+	}
4649	+
4650	+	//     static <U> U join(CompletionStage<U> stage) {
4651	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4652	+	//         stage.whenComplete((v, ex) -> {
4653	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4654	+	//         });
4655	+	//         return f.join();
4656	+	//     }
4657	+
4658	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4659	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4660	+	//         stage.whenComplete((v, ex) -> {
4661	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4662	+	//         });
4663	+	//         return f.isDone();
4664	+	//     }
4665	+
4666	+	//     static <U> U join2(CompletionStage<U> stage) {
4667	+	//         return stage.toCompletableFuture().copy().join();
4668	+	//     }
4669	+
4670	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4671	+	//         return stage.toCompletableFuture().copy().isDone();
4672	+	//     }
4673	+
4674	+	// For testing default implementations
4675	+	// Only non-default interface methods defined.
4676	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4677	+	final CompletableFuture<T> cf;
4678	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4679	+	public CompletableFuture<T> toCompletableFuture() {
4680	+	return cf; }
4681	+	public CompletionStage<Void> thenRun
4682	+	(Runnable action) {
4683	+	return cf.thenRun(action); }
4684	+	public CompletionStage<Void> thenRunAsync
4685	+	(Runnable action) {
4686	+	return cf.thenRunAsync(action); }
4687	+	public CompletionStage<Void> thenRunAsync
4688	+	(Runnable action,
4689	+	Executor executor) {
4690	+	return cf.thenRunAsync(action, executor); }
4691	+	public CompletionStage<Void> thenAccept
4692	+	(Consumer<? super T> action) {
4693	+	return cf.thenAccept(action); }
4694	+	public CompletionStage<Void> thenAcceptAsync
4695	+	(Consumer<? super T> action) {
4696	+	return cf.thenAcceptAsync(action); }
4697	+	public CompletionStage<Void> thenAcceptAsync
4698	+	(Consumer<? super T> action,
4699	+	Executor executor) {
4700	+	return cf.thenAcceptAsync(action, executor); }
4701	+	public <U> CompletionStage<U> thenApply
4702	+	(Function<? super T,? extends U> a) {
4703	+	return cf.thenApply(a); }
4704	+	public <U> CompletionStage<U> thenApplyAsync
4705	+	(Function<? super T,? extends U> fn) {
4706	+	return cf.thenApplyAsync(fn); }
4707	+	public <U> CompletionStage<U> thenApplyAsync
4708	+	(Function<? super T,? extends U> fn,
4709	+	Executor executor) {
4710	+	return cf.thenApplyAsync(fn, executor); }
4711	+	public <U,V> CompletionStage<V> thenCombine
4712	+	(CompletionStage<? extends U> other,
4713	+	BiFunction<? super T,? super U,? extends V> fn) {
4714	+	return cf.thenCombine(other, fn); }
4715	+	public <U,V> CompletionStage<V> thenCombineAsync
4716	+	(CompletionStage<? extends U> other,
4717	+	BiFunction<? super T,? super U,? extends V> fn) {
4718	+	return cf.thenCombineAsync(other, fn); }
4719	+	public <U,V> CompletionStage<V> thenCombineAsync
4720	+	(CompletionStage<? extends U> other,
4721	+	BiFunction<? super T,? super U,? extends V> fn,
4722	+	Executor executor) {
4723	+	return cf.thenCombineAsync(other, fn, executor); }
4724	+	public <U> CompletionStage<Void> thenAcceptBoth
4725	+	(CompletionStage<? extends U> other,
4726	+	BiConsumer<? super T, ? super U> action) {
4727	+	return cf.thenAcceptBoth(other, action); }
4728	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4729	+	(CompletionStage<? extends U> other,
4730	+	BiConsumer<? super T, ? super U> action) {
4731	+	return cf.thenAcceptBothAsync(other, action); }
4732	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4733	+	(CompletionStage<? extends U> other,
4734	+	BiConsumer<? super T, ? super U> action,
4735	+	Executor executor) {
4736	+	return cf.thenAcceptBothAsync(other, action, executor); }
4737	+	public CompletionStage<Void> runAfterBoth
4738	+	(CompletionStage<?> other,
4739	+	Runnable action) {
4740	+	return cf.runAfterBoth(other, action); }
4741	+	public CompletionStage<Void> runAfterBothAsync
4742	+	(CompletionStage<?> other,
4743	+	Runnable action) {
4744	+	return cf.runAfterBothAsync(other, action); }
4745	+	public CompletionStage<Void> runAfterBothAsync
4746	+	(CompletionStage<?> other,
4747	+	Runnable action,
4748	+	Executor executor) {
4749	+	return cf.runAfterBothAsync(other, action, executor); }
4750	+	public <U> CompletionStage<U> applyToEither
4751	+	(CompletionStage<? extends T> other,
4752	+	Function<? super T, U> fn) {
4753	+	return cf.applyToEither(other, fn); }
4754	+	public <U> CompletionStage<U> applyToEitherAsync
4755	+	(CompletionStage<? extends T> other,
4756	+	Function<? super T, U> fn) {
4757	+	return cf.applyToEitherAsync(other, fn); }
4758	+	public <U> CompletionStage<U> applyToEitherAsync
4759	+	(CompletionStage<? extends T> other,
4760	+	Function<? super T, U> fn,
4761	+	Executor executor) {
4762	+	return cf.applyToEitherAsync(other, fn, executor); }
4763	+	public CompletionStage<Void> acceptEither
4764	+	(CompletionStage<? extends T> other,
4765	+	Consumer<? super T> action) {
4766	+	return cf.acceptEither(other, action); }
4767	+	public CompletionStage<Void> acceptEitherAsync
4768	+	(CompletionStage<? extends T> other,
4769	+	Consumer<? super T> action) {
4770	+	return cf.acceptEitherAsync(other, action); }
4771	+	public CompletionStage<Void> acceptEitherAsync
4772	+	(CompletionStage<? extends T> other,
4773	+	Consumer<? super T> action,
4774	+	Executor executor) {
4775	+	return cf.acceptEitherAsync(other, action, executor); }
4776	+	public CompletionStage<Void> runAfterEither
4777	+	(CompletionStage<?> other,
4778	+	Runnable action) {
4779	+	return cf.runAfterEither(other, action); }
4780	+	public CompletionStage<Void> runAfterEitherAsync
4781	+	(CompletionStage<?> other,
4782	+	Runnable action) {
4783	+	return cf.runAfterEitherAsync(other, action); }
4784	+	public CompletionStage<Void> runAfterEitherAsync
4785	+	(CompletionStage<?> other,
4786	+	Runnable action,
4787	+	Executor executor) {
4788	+	return cf.runAfterEitherAsync(other, action, executor); }
4789	+	public <U> CompletionStage<U> thenCompose
4790	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4791	+	return cf.thenCompose(fn); }
4792	+	public <U> CompletionStage<U> thenComposeAsync
4793	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4794	+	return cf.thenComposeAsync(fn); }
4795	+	public <U> CompletionStage<U> thenComposeAsync
4796	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4797	+	Executor executor) {
4798	+	return cf.thenComposeAsync(fn, executor); }
4799	+	public <U> CompletionStage<U> handle
4800	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4801	+	return cf.handle(fn); }
4802	+	public <U> CompletionStage<U> handleAsync
4803	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4804	+	return cf.handleAsync(fn); }
4805	+	public <U> CompletionStage<U> handleAsync
4806	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4807	+	Executor executor) {
4808	+	return cf.handleAsync(fn, executor); }
4809	+	public CompletionStage<T> whenComplete
4810	+	(BiConsumer<? super T, ? super Throwable> action) {
4811	+	return cf.whenComplete(action); }
4812	+	public CompletionStage<T> whenCompleteAsync
4813	+	(BiConsumer<? super T, ? super Throwable> action) {
4814	+	return cf.whenCompleteAsync(action); }
4815	+	public CompletionStage<T> whenCompleteAsync
4816	+	(BiConsumer<? super T, ? super Throwable> action,
4817	+	Executor executor) {
4818	+	return cf.whenCompleteAsync(action, executor); }
4819	+	public CompletionStage<T> exceptionally
4820	+	(Function<Throwable, ? extends T> fn) {
4821	+	return cf.exceptionally(fn); }
4822	+	}
4823	+
4824	+	/**
4825	+	* default-implemented exceptionallyAsync action is not invoked when
4826	+	* source completes normally, and source result is propagated
4827	+	*/
4828	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4829	+	for (boolean createIncomplete : new boolean[] { true, false })
4830	+	for (Integer v1 : new Integer[] { 1, null })
4831	+	{
4832	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4833	+	final DelegatedCompletionStage<Integer> d =
4834	+	new DelegatedCompletionStage<Integer>(f);
4835	+	if (!createIncomplete) assertTrue(f.complete(v1));
4836	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4837	+	((Throwable t) -> {
4838	+	threadFail("should not be called");
4839	+	return null;            // unreached
4840	+	});
4841	+	if (createIncomplete) assertTrue(f.complete(v1));
4842	+
4843	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4844	+	}}
4845	+
4846	+	/**
4847	+	* default-implemented exceptionallyAsync action completes with
4848	+	* function value on source exception
4849	+	*/
4850	+	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4851		for (boolean createIncomplete : new boolean[] { true, false })
4852		for (Integer v1 : new Integer[] { 1, null })
4853		{
4854		final AtomicInteger a = new AtomicInteger(0);
4855		final CFException ex = new CFException();
4856		final CompletableFuture<Integer> f = new CompletableFuture<>();
4857	+	final DelegatedCompletionStage<Integer> d =
4858	+	new DelegatedCompletionStage<Integer>(f);
4859		if (!createIncomplete) f.completeExceptionally(ex);
4860	<	final CompletableFuture<Integer> g = m.whenComplete
4861	<	(f,
4862	<	(Integer x, Throwable t) -> {
2757	<	threadAssertNull(x);
2758	<	threadAssertSame(t, ex);
4860	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4861	>	((Throwable t) -> {
4862	>	assertSame(t, ex);
4863		a.getAndIncrement();
4864	+	return v1;
4865		});
4866		if (createIncomplete) f.completeExceptionally(ex);
4867	<	checkCompletedWithWrappedCFException(f, ex);
4868	<	checkCompletedWithWrappedCFException(g, ex);
4867	>
4868	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4869		assertEquals(1, a.get());
4870		}}
4871
4872		/**
4873	<	* whenComplete action executes on cancelled source, propagating
4874	<	* CancellationException.
4873	>	* Under default implementation, if an "exceptionally action"
4874	>	* throws an exception, it completes exceptionally with that
4875	>	* exception
4876		*/
4877	<	public void testWhenComplete_sourceCancelled() {
2772	<	for (ExecutionMode m : ExecutionMode.values())
2773	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4877	>	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4878		for (boolean createIncomplete : new boolean[] { true, false })
4879		{
4880		final AtomicInteger a = new AtomicInteger(0);
4881	+	final CFException ex1 = new CFException();
4882	+	final CFException ex2 = new CFException();
4883		final CompletableFuture<Integer> f = new CompletableFuture<>();
4884	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4885	<	final CompletableFuture<Integer> g = m.whenComplete
4886	<	(f,
4887	<	(Integer x, Throwable t) -> {
4888	<	threadAssertNull(x);
4889	<	threadAssertTrue(t instanceof CancellationException);
4884	>	final DelegatedCompletionStage<Integer> d =
4885	>	new DelegatedCompletionStage<Integer>(f);
4886	>	if (!createIncomplete) f.completeExceptionally(ex1);
4887	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4888	>	((Throwable t) -> {
4889	>	assertSame(t, ex1);
4890		a.getAndIncrement();
4891	+	throw ex2;
4892		});
4893	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4893	>	if (createIncomplete) f.completeExceptionally(ex1);
4894
4895	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
4896	<	checkCompletedWithWrappedCancellationException(g);
4897	<	checkCancelled(f);
4895	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4896	>	checkCompletedExceptionally(f, ex1);
4897	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4898		assertEquals(1, a.get());
4899		}}
4900
4901		/**
4902	<	* If a whenComplete action throws an exception when triggered by
4903	<	* a normal completion, it completes exceptionally
4902	>	* default-implemented exceptionallyCompose result completes
4903	>	* normally after normal completion of source
4904		*/
4905	<	public void testWhenComplete_actionFailed() {
4905	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4906		for (boolean createIncomplete : new boolean[] { true, false })
2800	–	for (ExecutionMode m : ExecutionMode.values())
4907		for (Integer v1 : new Integer[] { 1, null })
4908		{
4909	<	final AtomicInteger a = new AtomicInteger(0);
4909	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4910	>	final ExceptionalCompletableFutureFunction r =
4911	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4912	>	final DelegatedCompletionStage<Integer> d =
4913	>	new DelegatedCompletionStage<Integer>(f);
4914	>	if (!createIncomplete) assertTrue(f.complete(v1));
4915	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4916	>	if (createIncomplete) assertTrue(f.complete(v1));
4917	>
4918	>	checkCompletedNormally(f, v1);
4919	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4920	>	r.assertNotInvoked();
4921	>	}}
4922	>
4923	>	/**
4924	>	* default-implemented exceptionallyCompose result completes
4925	>	* normally after exceptional completion of source
4926	>	*/
4927	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4928	>	for (boolean createIncomplete : new boolean[] { true, false })
4929	>	{
4930		final CFException ex = new CFException();
4931	+	final ExceptionalCompletableFutureFunction r =
4932	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4933		final CompletableFuture<Integer> f = new CompletableFuture<>();
4934	<	if (!createIncomplete) f.complete(v1);
4935	<	final CompletableFuture<Integer> g = m.whenComplete
4936	<	(f,
4937	<	(Integer x, Throwable t) -> {
4938	<	threadAssertSame(x, v1);
4939	<	threadAssertNull(t);
4940	<	a.getAndIncrement();
4941	<	throw ex;
4942	<	});
4943	<	if (createIncomplete) f.complete(v1);
4934	>	final DelegatedCompletionStage<Integer> d =
4935	>	new DelegatedCompletionStage<Integer>(f);
4936	>	if (!createIncomplete) f.completeExceptionally(ex);
4937	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4938	>	if (createIncomplete) f.completeExceptionally(ex);
4939	>
4940	>	checkCompletedExceptionally(f, ex);
4941	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4942	>	r.assertInvoked();
4943	>	}}
4944	>
4945	>	/**
4946	>	* default-implemented exceptionallyCompose completes
4947	>	* exceptionally on exception if action does
4948	>	*/
4949	>	public void testDefaultExceptionallyCompose_actionFailed() {
4950	>	for (boolean createIncomplete : new boolean[] { true, false })
4951	>	{
4952	>	final CFException ex = new CFException();
4953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4954	>	final FailingExceptionalCompletableFutureFunction r
4955	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4956	>	final DelegatedCompletionStage<Integer> d =
4957	>	new DelegatedCompletionStage<Integer>(f);
4958	>	if (!createIncomplete) f.completeExceptionally(ex);
4959	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4960	>	if (createIncomplete) f.completeExceptionally(ex);
4961	>
4962	>	checkCompletedExceptionally(f, ex);
4963	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4964	>	r.assertInvoked();
4965	>	}}
4966	>
4967	>	/**
4968	>	* default-implemented exceptionallyComposeAsync result completes
4969	>	* normally after normal completion of source
4970	>	*/
4971	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4972	>	for (boolean createIncomplete : new boolean[] { true, false })
4973	>	for (Integer v1 : new Integer[] { 1, null })
4974	>	{
4975	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4976	>	final ExceptionalCompletableFutureFunction r =
4977	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4978	>	final DelegatedCompletionStage<Integer> d =
4979	>	new DelegatedCompletionStage<Integer>(f);
4980	>	if (!createIncomplete) assertTrue(f.complete(v1));
4981	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4982	>	if (createIncomplete) assertTrue(f.complete(v1));
4983	>
4984		checkCompletedNormally(f, v1);
4985	<	checkCompletedWithWrappedCFException(g, ex);
4986	<	assertEquals(1, a.get());
4985	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4986	>	r.assertNotInvoked();
4987		}}
4988
4989		/**
4990	<	* If a whenComplete action throws an exception when triggered by
4991	<	* a source completion that also throws an exception, the source
2824	<	* exception takes precedence.
4990	>	* default-implemented exceptionallyComposeAsync result completes
4991	>	* normally after exceptional completion of source
4992		*/
4993	<	public void testWhenComplete_actionFailedSourceFailed() {
4993	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4994	>	for (boolean createIncomplete : new boolean[] { true, false })
4995	>	{
4996	>	final CFException ex = new CFException();
4997	>	final ExceptionalCompletableFutureFunction r =
4998	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4999	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5000	>	final DelegatedCompletionStage<Integer> d =
5001	>	new DelegatedCompletionStage<Integer>(f);
5002	>	if (!createIncomplete) f.completeExceptionally(ex);
5003	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5004	>	if (createIncomplete) f.completeExceptionally(ex);
5005	>
5006	>	checkCompletedExceptionally(f, ex);
5007	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5008	>	r.assertInvoked();
5009	>	}}
5010	>
5011	>	/**
5012	>	* default-implemented exceptionallyComposeAsync completes
5013	>	* exceptionally on exception if action does
5014	>	*/
5015	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5016	>	for (boolean createIncomplete : new boolean[] { true, false })
5017	>	{
5018	>	final CFException ex = new CFException();
5019	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5020	>	final FailingExceptionalCompletableFutureFunction r
5021	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5022	>	final DelegatedCompletionStage<Integer> d =
5023	>	new DelegatedCompletionStage<Integer>(f);
5024	>	if (!createIncomplete) f.completeExceptionally(ex);
5025	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5026	>	if (createIncomplete) f.completeExceptionally(ex);
5027	>
5028	>	checkCompletedExceptionally(f, ex);
5029	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5030	>	r.assertInvoked();
5031	>	}}
5032	>
5033	>	/**
5034	>	* default-implemented exceptionallyComposeAsync result completes
5035	>	* normally after normal completion of source
5036	>	*/
5037	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5038		for (boolean createIncomplete : new boolean[] { true, false })
2828	–	for (ExecutionMode m : ExecutionMode.values())
5039		for (Integer v1 : new Integer[] { 1, null })
5040		{
2831	–	final AtomicInteger a = new AtomicInteger(0);
2832	–	final CFException ex1 = new CFException();
2833	–	final CFException ex2 = new CFException();
5041		final CompletableFuture<Integer> f = new CompletableFuture<>();
5042	+	final ExceptionalCompletableFutureFunction r =
5043	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5044	+	final DelegatedCompletionStage<Integer> d =
5045	+	new DelegatedCompletionStage<Integer>(f);
5046	+	if (!createIncomplete) assertTrue(f.complete(v1));
5047	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5048	+	if (createIncomplete) assertTrue(f.complete(v1));
5049
5050	<	if (!createIncomplete) f.completeExceptionally(ex1);
5051	<	final CompletableFuture<Integer> g = m.whenComplete
5052	<	(f,
5053	<	(Integer x, Throwable t) -> {
2840	<	threadAssertSame(t, ex1);
2841	<	threadAssertNull(x);
2842	<	a.getAndIncrement();
2843	<	throw ex2;
2844	<	});
2845	<	if (createIncomplete) f.completeExceptionally(ex1);
5050	>	checkCompletedNormally(f, v1);
5051	>	checkCompletedNormally(g.toCompletableFuture(), v1);
5052	>	r.assertNotInvoked();
5053	>	}}
5054
5055	<	checkCompletedWithWrappedCFException(f, ex1);
5056	<	checkCompletedWithWrappedCFException(g, ex1);
5057	<	assertEquals(1, a.get());
5055	>	/**
5056	>	* default-implemented exceptionallyComposeAsync result completes
5057	>	* normally after exceptional completion of source
5058	>	*/
5059	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5060	>	for (boolean createIncomplete : new boolean[] { true, false })
5061	>	{
5062	>	final CFException ex = new CFException();
5063	>	final ExceptionalCompletableFutureFunction r =
5064	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5065	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5066	>	final DelegatedCompletionStage<Integer> d =
5067	>	new DelegatedCompletionStage<Integer>(f);
5068	>	if (!createIncomplete) f.completeExceptionally(ex);
5069	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5070	>	if (createIncomplete) f.completeExceptionally(ex);
5071	>
5072	>	checkCompletedExceptionally(f, ex);
5073	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5074	>	r.assertInvoked();
5075	>	}}
5076	>
5077	>	/**
5078	>	* default-implemented exceptionallyComposeAsync completes
5079	>	* exceptionally on exception if action does
5080	>	*/
5081	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5082	>	for (boolean createIncomplete : new boolean[] { true, false })
5083	>	{
5084	>	final CFException ex = new CFException();
5085	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5086	>	final FailingExceptionalCompletableFutureFunction r
5087	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5088	>	final DelegatedCompletionStage<Integer> d =
5089	>	new DelegatedCompletionStage<Integer>(f);
5090	>	if (!createIncomplete) f.completeExceptionally(ex);
5091	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5092	>	if (createIncomplete) f.completeExceptionally(ex);
5093	>
5094	>	checkCompletedExceptionally(f, ex);
5095	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5096	>	r.assertInvoked();
5097		}}
5098
5099		}

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