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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.61 by jsr166, Wed Jun 4 04:34:49 2014 UTC vs.
Revision 1.210 by jsr166, Mon Sep 24 00:20:46 2018 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31		import java.util.concurrent.ForkJoinPool;
32		import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
25	<	import static java.util.concurrent.TimeUnit.SECONDS;
26	<	import java.util.*;
27	<	import java.util.function.Supplier;
28	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
30	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 44 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
74		catch (Throwable fail) { threadUnexpectedException(fail); }
75		}
76
77	<	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	try {
79	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.join());
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
66	<	try {
67	<	assertEquals(value, f.getNow(null));
68	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
77	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T expectedValue) {
78	>	checkTimedGet(f, expectedValue);
79	>
80	>	assertEquals(expectedValue, f.join());
81	>	assertEquals(expectedValue, f.getNow(null));
82	>
83	>	T result = null;
84		try {
85	<	assertEquals(value, f.get());
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91		assertFalse(f.isCompletedExceptionally());
92	<	assertTrue(f.toString().contains("[Completed normally]"));
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
96	<	try {
97	<	f.get(LONG_DELAY_MS, MILLISECONDS);
98	<	shouldThrow();
99	<	} catch (ExecutionException success) {
100	<	assertTrue(success.getCause() instanceof CFException);
101	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
102	<	try {
86	<	f.join();
87	<	shouldThrow();
88	<	} catch (CompletionException success) {
89	<	assertTrue(success.getCause() instanceof CFException);
90	<	}
91	<	try {
92	<	f.getNow(null);
93	<	shouldThrow();
94	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
96	<	}
97	<	try {
98	<	f.get();
99	<	shouldThrow();
100	<	} catch (ExecutionException success) {
101	<	assertTrue(success.getCause() instanceof CFException);
102	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
95	>	/**
96	>	* Returns the "raw" internal exceptional completion of f,
97	>	* without any additional wrapping with CompletionException.
98	>	*/
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103		}
104
105	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
105	>	void checkCompletedExceptionally(CompletableFuture<?> f,
106	>	boolean wrapped,
107	>	Consumer<Throwable> checker) {
108	>	Throwable cause = exceptionalCompletion(f);
109	>	if (wrapped) {
110	>	assertTrue(cause instanceof CompletionException);
111	>	cause = cause.getCause();
112	>	}
113	>	checker.accept(cause);
114	>
115	>	long startTime = System.nanoTime();
116		try {
117		f.get(LONG_DELAY_MS, MILLISECONDS);
118		shouldThrow();
119		} catch (ExecutionException success) {
120	<	assertSame(ex, success.getCause());
120	>	assertSame(cause, success.getCause());
121		} catch (Throwable fail) { threadUnexpectedException(fail); }
122	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
123	+
124		try {
125		f.join();
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.getNow(null);
133		shouldThrow();
134		} catch (CompletionException success) {
135	<	assertSame(ex, success.getCause());
136	<	}
135	>	assertSame(cause, success.getCause());
136	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	>
138		try {
139		f.get();
140		shouldThrow();
141		} catch (ExecutionException success) {
142	<	assertSame(ex, success.getCause());
142	>	assertSame(cause, success.getCause());
143		} catch (Throwable fail) { threadUnexpectedException(fail); }
144	<	assertTrue(f.isDone());
144	>
145		assertFalse(f.isCancelled());
146	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
146	>	assertTrue(f.isDone());
147	>	assertTrue(f.isCompletedExceptionally());
148	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
149	>	}
150	>
151	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152	>	checkCompletedExceptionally(f, true,
153	>	t -> assertTrue(t instanceof CFException));
154	>	}
155	>
156	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
157	>	checkCompletedExceptionally(f, true,
158	>	t -> assertTrue(t instanceof CancellationException));
159	>	}
160	>
161	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
162	>	checkCompletedExceptionally(f, false,
163	>	t -> assertTrue(t instanceof TimeoutException));
164	>	}
165	>
166	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
167	>	Throwable ex) {
168	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
169	>	}
170	>
171	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
172	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
173		}
174
175		void checkCancelled(CompletableFuture<?> f) {
176	+	long startTime = System.nanoTime();
177		try {
178		f.get(LONG_DELAY_MS, MILLISECONDS);
179		shouldThrow();
180		} catch (CancellationException success) {
181		} catch (Throwable fail) { threadUnexpectedException(fail); }
182	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
183	+
184		try {
185		f.join();
186		shouldThrow();
#	Line 155 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
158	–	assertTrue(f.isDone());
159	–	assertTrue(f.isCompletedExceptionally());
160	–	assertTrue(f.isCancelled());
161	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
162	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
166	<	f.get(LONG_DELAY_MS, MILLISECONDS);
167	<	shouldThrow();
168	<	} catch (ExecutionException success) {
169	<	assertTrue(success.getCause() instanceof CancellationException);
170	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
171	<	try {
172	<	f.join();
173	<	shouldThrow();
174	<	} catch (CompletionException success) {
175	<	assertTrue(success.getCause() instanceof CancellationException);
176	<	}
177	<	try {
178	<	f.getNow(null);
179	<	shouldThrow();
180	<	} catch (CompletionException success) {
181	<	assertTrue(success.getCause() instanceof CancellationException);
182	<	}
183	<	try {
184	<	f.get();
185	<	shouldThrow();
186	<	} catch (ExecutionException success) {
187	<	assertTrue(success.getCause() instanceof CancellationException);
188	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
201		assertTrue(f.isCompletedExceptionally());
202	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
202	>	assertTrue(f.isCancelled());
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 206 | Line 217 | public class CompletableFutureTest exten
217		* isCancelled, join, get, and getNow
218		*/
219		public void testComplete() {
220	+	for (Integer v1 : new Integer[] { 1, null })
221	+	{
222		CompletableFuture<Integer> f = new CompletableFuture<>();
223		checkIncomplete(f);
224	<	f.complete(one);
225	<	checkCompletedNormally(f, one);
226	<	}
224	>	assertTrue(f.complete(v1));
225	>	assertFalse(f.complete(v1));
226	>	checkCompletedNormally(f, v1);
227	>	}}
228
229		/**
230		* completeExceptionally completes exceptionally, as indicated by
#	Line 218 | Line 232 | public class CompletableFutureTest exten
232		*/
233		public void testCompleteExceptionally() {
234		CompletableFuture<Integer> f = new CompletableFuture<>();
235	+	CFException ex = new CFException();
236		checkIncomplete(f);
237	<	f.completeExceptionally(new CFException());
238	<	checkCompletedWithWrappedCFException(f);
237	>	f.completeExceptionally(ex);
238	>	checkCompletedExceptionally(f, ex);
239		}
240
241		/**
#	Line 228 | Line 243 | public class CompletableFutureTest exten
243		* methods isDone, isCancelled, join, get, and getNow
244		*/
245		public void testCancel() {
246	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
247	+	{
248		CompletableFuture<Integer> f = new CompletableFuture<>();
249		checkIncomplete(f);
250	<	assertTrue(f.cancel(true));
250	>	assertTrue(f.cancel(mayInterruptIfRunning));
251	>	assertTrue(f.cancel(mayInterruptIfRunning));
252	>	assertTrue(f.cancel(!mayInterruptIfRunning));
253		checkCancelled(f);
254	<	}
254	>	}}
255
256		/**
257		* obtrudeValue forces completion with given value
#	Line 240 | Line 259 | public class CompletableFutureTest exten
259		public void testObtrudeValue() {
260		CompletableFuture<Integer> f = new CompletableFuture<>();
261		checkIncomplete(f);
262	<	f.complete(one);
262	>	assertTrue(f.complete(one));
263		checkCompletedNormally(f, one);
264		f.obtrudeValue(three);
265		checkCompletedNormally(f, three);
#	Line 261 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	CompletableFuture<Integer> f = new CompletableFuture<>();
284	<	checkIncomplete(f);
285	<	f.complete(one);
286	<	checkCompletedNormally(f, one);
287	<	f.obtrudeException(new CFException());
269	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288		f = new CompletableFuture<>();
289	<	f.obtrudeException(new CFException());
290	<	checkCompletedWithWrappedCFException(f);
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295	>	f = new CompletableFuture<>();
296	>	for (int i = 0; i < 2; i++) {
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	}
300	>
301		f = new CompletableFuture<>();
302		f.completeExceptionally(new CFException());
303	<	f.obtrudeValue(four);
304	<	checkCompletedNormally(f, four);
305	<	f.obtrudeException(new CFException());
306	<	checkCompletedWithWrappedCFException(f);
307	<	}
303	>	f.obtrudeValue(v1);
304	>	checkCompletedNormally(f, v1);
305	>	f.obtrudeException(ex = new CFException());
306	>	checkCompletedExceptionally(f, ex);
307	>	f.completeExceptionally(new CFException());
308	>	checkCompletedExceptionally(f, ex);
309	>	assertFalse(f.complete(v1));
310	>	checkCompletedExceptionally(f, ex);
311	>	}}
312
313		/**
314		* getNumberOfDependents returns number of dependent tasks
315		*/
316		public void testGetNumberOfDependents() {
317	+	for (ExecutionMode m : ExecutionMode.values())
318	+	for (Integer v1 : new Integer[] { 1, null })
319	+	{
320		CompletableFuture<Integer> f = new CompletableFuture<>();
321		assertEquals(0, f.getNumberOfDependents());
322	<	CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
322	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323		assertEquals(1, f.getNumberOfDependents());
324		assertEquals(0, g.getNumberOfDependents());
325	<	CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326		assertEquals(2, f.getNumberOfDependents());
327	<	f.complete(1);
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	+	checkCompletedNormally(h, null);
331		assertEquals(0, f.getNumberOfDependents());
332		assertEquals(0, g.getNumberOfDependents());
333	<	}
333	>	assertEquals(0, h.getNumberOfDependents());
334	>	}}
335
336		/**
337		* toString indicates current completion state
338		*/
339	<	public void testToString() {
340	<	CompletableFuture<String> f;
341	<
342	<	f = new CompletableFuture<String>();
343	<	assertTrue(f.toString().contains("[Not completed]"));
344	<
345	<	f.complete("foo");
346	<	assertTrue(f.toString().contains("[Completed normally]"));
347	<
348	<	f = new CompletableFuture<String>();
349	<	f.completeExceptionally(new IndexOutOfBoundsException());
350	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
339	>	public void testToString_incomplete() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
342	>	if (testImplementationDetails)
343	>	assertEquals(identityString(f) + "[Not completed]",
344	>	f.toString());
345	>	}
346	>
347	>	public void testToString_normal() {
348	>	CompletableFuture<String> f = new CompletableFuture<>();
349	>	assertTrue(f.complete("foo"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	assertEquals(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355	>
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
360	>	if (testImplementationDetails)
361	>	assertTrue(f.toString().startsWith(
362	>	identityString(f) + "[Completed exceptionally: "));
363	>	}
364	>
365	>	public void testToString_cancelled() {
366	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368	>	assertTrue(f.cancel(mayInterruptIfRunning));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373	>	}
374		}
375
376		/**
#	Line 320 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	static final class IntegerSupplier implements Supplier<Integer> {
324	<	final ExecutionMode m;
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	+	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	<	this.m = m;
410	>	super(m);
411		this.value = value;
412		}
413		public Integer get() {
414	<	m.checkExecutionMode();
333	<	invocationCount++;
414	>	invoked();
415		return value;
416		}
417		}
#	Line 340 | Line 421 | public class CompletableFutureTest exten
421		return (x == null) ? null : x + 1;
422		}
423
424	<	static final class IncAction implements Consumer<Integer> {
425	<	int invocationCount = 0;
426	<	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	<	final ExecutionMode m;
435	<	int invocationCount = 0;
436	<	Integer value;
437	<	IncFunction(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
358	<	invocationCount++;
439	>	invoked();
440		return value = inc(x);
441		}
442		}
#	Line 368 | Line 449 | public class CompletableFutureTest exten
449		- ((y == null) ? 99 : y.intValue());
450		}
451
452	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
453	<	final ExecutionMode m;
454	<	int invocationCount = 0;
455	<	Integer value;
375	<	// Check this action was invoked exactly once when result is computed.
376	<	SubtractAction(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
379	<	invocationCount++;
457	>	invoked();
458		value = subtract(x, y);
459		}
460		}
461	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
462	<	final ExecutionMode m;
463	<	int invocationCount = 0;
464	<	Integer value;
465	<	// Check this action was invoked exactly once when result is computed.
388	<	SubtractFunction(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
391	<	invocationCount++;
467	>	invoked();
468		return value = subtract(x, y);
469		}
470		}
471
472	<	static final class Noop implements Runnable {
473	<	final ExecutionMode m;
398	<	int invocationCount = 0;
399	<	Noop(ExecutionMode m) { this.m = m; }
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474		public void run() {
475	<	m.checkExecutionMode();
402	<	invocationCount++;
475	>	invoked();
476		}
477		}
478
479	<	static final class FailingSupplier implements Supplier<Integer> {
480	<	final ExecutionMode m;
481	<	int invocationCount = 0;
482	<	FailingSupplier(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
486	<	invocationCount++;
413	<	throw new CFException();
485	>	invoked();
486	>	throw ex;
487		}
488		}
489	<	static final class FailingConsumer implements Consumer<Integer> {
490	<	final ExecutionMode m;
491	<	int invocationCount = 0;
492	<	FailingConsumer(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
497	<	invocationCount++;
498	<	throw new CFException();
496	>	invoked();
497	>	value = x;
498	>	throw ex;
499		}
500		}
501	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
502	<	final ExecutionMode m;
503	<	int invocationCount = 0;
504	<	FailingBiConsumer(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
509	<	invocationCount++;
510	<	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	<	final ExecutionMode m;
515	<	int invocationCount = 0;
516	<	FailingFunction(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
521	<	invocationCount++;
522	<	throw new CFException();
520	>	invoked();
521	>	value = x;
522	>	throw ex;
523		}
524		}
525	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
526	<	final ExecutionMode m;
527	<	int invocationCount = 0;
528	<	FailingBiFunction(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
533	<	invocationCount++;
534	<	throw new CFException();
532	>	invoked();
533	>	value = subtract(x, y);
534	>	throw ex;
535		}
536		}
537	<	static final class FailingRunnable implements Runnable {
538	<	final ExecutionMode m;
539	<	int invocationCount = 0;
540	<	FailingRunnable(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
543	<	invocationCount++;
463	<	throw new CFException();
542	>	invoked();
543	>	throw ex;
544		}
545		}
546
547	<	static final class CompletableFutureInc
548	<	implements Function<Integer, CompletableFuture<Integer>> {
549	<	final ExecutionMode m;
550	<	int invocationCount = 0;
471	<	CompletableFutureInc(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
553	<	invocationCount++;
554	<	CompletableFuture<Integer> f = new CompletableFuture<>();
476	<	f.complete(inc(x));
477	<	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	<	final ExecutionMode m;
561	<	int invocationCount = 0;
562	<	FailingCompletableFutureFunction(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
586	<	invocationCount++;
587	<	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
#	Line 504 | Line 611 | public class CompletableFutureTest exten
611		}
612		}
613
614	+	static final boolean defaultExecutorIsCommonPool
615	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
616	+
617		/**
618		* Permits the testing of parallel code for the 3 different
619		* execution modes without copy/pasting all the test methods.
620		*/
621		enum ExecutionMode {
622	<	DEFAULT {
622	>	SYNC {
623		public void checkExecutionMode() {
624		assertFalse(ThreadExecutor.startedCurrentThread());
625		assertNull(ForkJoinTask.getPool());
#	Line 581 | 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		},
585	–
704		ASYNC {
705		public void checkExecutionMode() {
706	<	assertSame(ForkJoinPool.commonPool(),
707	<	ForkJoinTask.getPool());
706	>	assertEquals(defaultExecutorIsCommonPool,
707	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
708		}
709		public CompletableFuture<Void> runAsync(Runnable a) {
710		return CompletableFuture.runAsync(a);
#	Line 655 | Line 773 | public class CompletableFutureTest exten
773		Function<? super T,U> a) {
774		return f.applyToEitherAsync(g, a);
775		}
776	+	public <T> CompletableFuture<T> exceptionally
777	+	(CompletableFuture<T> f,
778	+	Function<Throwable, ? extends T> fn) {
779	+	return f.exceptionallyAsync(fn);
780	+	}
781	+
782	+	public <T> CompletableFuture<T> exceptionallyCompose
783	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
784	+	return f.exceptionallyComposeAsync(fn);
785	+	}
786	+
787		},
788
789		EXECUTOR {
#	Line 728 | Line 857 | public class CompletableFutureTest exten
857		Function<? super T,U> a) {
858		return f.applyToEitherAsync(g, a, new ThreadExecutor());
859		}
860	+	public <T> CompletableFuture<T> exceptionally
861	+	(CompletableFuture<T> f,
862	+	Function<Throwable, ? extends T> fn) {
863	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
864	+	}
865	+	public <T> CompletableFuture<T> exceptionallyCompose
866	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
867	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
868	+	}
869	+
870		};
871
872		public abstract void checkExecutionMode();
#	Line 770 | 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 777 | 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		{
783	–	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();
790	<	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);
796	–	assertEquals(0, a.get());
940		}}
941
799	–
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 809 | Line 952 | public class CompletableFutureTest exten
952		final CFException ex = new CFException();
953		final CompletableFuture<Integer> f = new CompletableFuture<>();
954		if (!createIncomplete) f.completeExceptionally(ex);
955	<	final CompletableFuture<Integer> g = f.exceptionally
956	<	((Throwable t) -> {
957	<	ExecutionMode.DEFAULT.checkExecutionMode();
955	>	final CompletableFuture<Integer> g = m.exceptionally
956	>	(f, (Throwable t) -> {
957	>	m.checkExecutionMode();
958		threadAssertSame(t, ex);
959		a.getAndIncrement();
960		return v1;
#	Line 822 | Line 965 | public class CompletableFutureTest exten
965		assertEquals(1, a.get());
966		}}
967
968	+	/**
969	+	* If an "exceptionally action" throws an exception, it completes
970	+	* exceptionally with that exception
971	+	*/
972		public void testExceptionally_exceptionalCompletionActionFailed() {
973	+	for (ExecutionMode m : ExecutionMode.values())
974		for (boolean createIncomplete : new boolean[] { true, false })
975	+	{
976	+	final AtomicInteger a = new AtomicInteger(0);
977	+	final CFException ex1 = new CFException();
978	+	final CFException ex2 = new CFException();
979	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
980	+	if (!createIncomplete) f.completeExceptionally(ex1);
981	+	final CompletableFuture<Integer> g = m.exceptionally
982	+	(f, (Throwable t) -> {
983	+	m.checkExecutionMode();
984	+	threadAssertSame(t, ex1);
985	+	a.getAndIncrement();
986	+	throw ex2;
987	+	});
988	+	if (createIncomplete) f.completeExceptionally(ex1);
989	+
990	+	checkCompletedWithWrappedException(g, ex2);
991	+	checkCompletedExceptionally(f, ex1);
992	+	assertEquals(1, a.get());
993	+	}}
994	+
995	+	/**
996	+	* whenComplete action executes on normal completion, propagating
997	+	* source result.
998	+	*/
999	+	public void testWhenComplete_normalCompletion() {
1000	+	for (ExecutionMode m : ExecutionMode.values())
1001	+	for (boolean createIncomplete : new boolean[] { true, false })
1002	+	for (Integer v1 : new Integer[] { 1, null })
1003	+	{
1004	+	final AtomicInteger a = new AtomicInteger(0);
1005	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	+	if (!createIncomplete) assertTrue(f.complete(v1));
1007	+	final CompletableFuture<Integer> g = m.whenComplete
1008	+	(f,
1009	+	(Integer result, Throwable t) -> {
1010	+	m.checkExecutionMode();
1011	+	threadAssertSame(result, v1);
1012	+	threadAssertNull(t);
1013	+	a.getAndIncrement();
1014	+	});
1015	+	if (createIncomplete) assertTrue(f.complete(v1));
1016	+
1017	+	checkCompletedNormally(g, v1);
1018	+	checkCompletedNormally(f, v1);
1019	+	assertEquals(1, a.get());
1020	+	}}
1021	+
1022	+	/**
1023	+	* whenComplete action executes on exceptional completion, propagating
1024	+	* source result.
1025	+	*/
1026	+	public void testWhenComplete_exceptionalCompletion() {
1027	+	for (ExecutionMode m : ExecutionMode.values())
1028	+	for (boolean createIncomplete : new boolean[] { true, false })
1029	+	{
1030	+	final AtomicInteger a = new AtomicInteger(0);
1031	+	final CFException ex = new CFException();
1032	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1033	+	if (!createIncomplete) f.completeExceptionally(ex);
1034	+	final CompletableFuture<Integer> g = m.whenComplete
1035	+	(f,
1036	+	(Integer result, Throwable t) -> {
1037	+	m.checkExecutionMode();
1038	+	threadAssertNull(result);
1039	+	threadAssertSame(t, ex);
1040	+	a.getAndIncrement();
1041	+	});
1042	+	if (createIncomplete) f.completeExceptionally(ex);
1043	+
1044	+	checkCompletedWithWrappedException(g, ex);
1045	+	checkCompletedExceptionally(f, ex);
1046	+	assertEquals(1, a.get());
1047	+	}}
1048	+
1049	+	/**
1050	+	* whenComplete action executes on cancelled source, propagating
1051	+	* CancellationException.
1052	+	*/
1053	+	public void testWhenComplete_sourceCancelled() {
1054	+	for (ExecutionMode m : ExecutionMode.values())
1055	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1056	+	for (boolean createIncomplete : new boolean[] { true, false })
1057	+	{
1058	+	final AtomicInteger a = new AtomicInteger(0);
1059	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1060	+	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1061	+	final CompletableFuture<Integer> g = m.whenComplete
1062	+	(f,
1063	+	(Integer result, Throwable t) -> {
1064	+	m.checkExecutionMode();
1065	+	threadAssertNull(result);
1066	+	threadAssertTrue(t instanceof CancellationException);
1067	+	a.getAndIncrement();
1068	+	});
1069	+	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1070	+
1071	+	checkCompletedWithWrappedCancellationException(g);
1072	+	checkCancelled(f);
1073	+	assertEquals(1, a.get());
1074	+	}}
1075	+
1076	+	/**
1077	+	* If a whenComplete action throws an exception when triggered by
1078	+	* a normal completion, it completes exceptionally
1079	+	*/
1080	+	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1081	+	for (boolean createIncomplete : new boolean[] { true, false })
1082	+	for (ExecutionMode m : ExecutionMode.values())
1083		for (Integer v1 : new Integer[] { 1, null })
1084		{
1085		final AtomicInteger a = new AtomicInteger(0);
1086	+	final CFException ex = new CFException();
1087	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	+	if (!createIncomplete) assertTrue(f.complete(v1));
1089	+	final CompletableFuture<Integer> g = m.whenComplete
1090	+	(f,
1091	+	(Integer result, Throwable t) -> {
1092	+	m.checkExecutionMode();
1093	+	threadAssertSame(result, v1);
1094	+	threadAssertNull(t);
1095	+	a.getAndIncrement();
1096	+	throw ex;
1097	+	});
1098	+	if (createIncomplete) assertTrue(f.complete(v1));
1099	+
1100	+	checkCompletedWithWrappedException(g, ex);
1101	+	checkCompletedNormally(f, v1);
1102	+	assertEquals(1, a.get());
1103	+	}}
1104	+
1105	+	/**
1106	+	* If a whenComplete action throws an exception when triggered by
1107	+	* a source completion that also throws an exception, the source
1108	+	* exception takes precedence (unlike handle)
1109	+	*/
1110	+	public void testWhenComplete_sourceFailedActionFailed() {
1111	+	for (boolean createIncomplete : new boolean[] { true, false })
1112	+	for (ExecutionMode m : ExecutionMode.values())
1113	+	{
1114	+	final AtomicInteger a = new AtomicInteger(0);
1115		final CFException ex1 = new CFException();
1116		final CFException ex2 = new CFException();
1117		final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	+
1119		if (!createIncomplete) f.completeExceptionally(ex1);
1120	<	final CompletableFuture<Integer> g = f.exceptionally
1121	<	((Throwable t) -> {
1122	<	ExecutionMode.DEFAULT.checkExecutionMode();
1120	>	final CompletableFuture<Integer> g = m.whenComplete
1121	>	(f,
1122	>	(Integer result, Throwable t) -> {
1123	>	m.checkExecutionMode();
1124		threadAssertSame(t, ex1);
1125	+	threadAssertNull(result);
1126		a.getAndIncrement();
1127		throw ex2;
1128		});
1129		if (createIncomplete) f.completeExceptionally(ex1);
1130
1131	<	checkCompletedWithWrappedCFException(g, ex2);
1131	>	checkCompletedWithWrappedException(g, ex1);
1132	>	checkCompletedExceptionally(f, ex1);
1133	>	if (testImplementationDetails) {
1134	>	assertEquals(1, ex1.getSuppressed().length);
1135	>	assertSame(ex2, ex1.getSuppressed()[0]);
1136	>	}
1137		assertEquals(1, a.get());
1138		}}
1139
#	Line 855 | Line 1148 | public class CompletableFutureTest exten
1148		{
1149		final CompletableFuture<Integer> f = new CompletableFuture<>();
1150		final AtomicInteger a = new AtomicInteger(0);
1151	<	if (!createIncomplete) f.complete(v1);
1151	>	if (!createIncomplete) assertTrue(f.complete(v1));
1152		final CompletableFuture<Integer> g = m.handle
1153		(f,
1154	<	(Integer x, Throwable t) -> {
1154	>	(Integer result, Throwable t) -> {
1155		m.checkExecutionMode();
1156	<	threadAssertSame(x, v1);
1156	>	threadAssertSame(result, v1);
1157		threadAssertNull(t);
1158		a.getAndIncrement();
1159		return inc(v1);
1160		});
1161	<	if (createIncomplete) f.complete(v1);
1161	>	if (createIncomplete) assertTrue(f.complete(v1));
1162
1163		checkCompletedNormally(g, inc(v1));
1164		checkCompletedNormally(f, v1);
#	Line 887 | Line 1180 | public class CompletableFutureTest exten
1180		if (!createIncomplete) f.completeExceptionally(ex);
1181		final CompletableFuture<Integer> g = m.handle
1182		(f,
1183	<	(Integer x, Throwable t) -> {
1183	>	(Integer result, Throwable t) -> {
1184		m.checkExecutionMode();
1185	<	threadAssertNull(x);
1185	>	threadAssertNull(result);
1186		threadAssertSame(t, ex);
1187		a.getAndIncrement();
1188		return v1;
#	Line 897 | Line 1190 | public class CompletableFutureTest exten
1190		if (createIncomplete) f.completeExceptionally(ex);
1191
1192		checkCompletedNormally(g, v1);
1193	<	checkCompletedWithWrappedCFException(f, ex);
1193	>	checkCompletedExceptionally(f, ex);
1194		assertEquals(1, a.get());
1195		}}
1196
#	Line 916 | Line 1209 | public class CompletableFutureTest exten
1209		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1210		final CompletableFuture<Integer> g = m.handle
1211		(f,
1212	<	(Integer x, Throwable t) -> {
1212	>	(Integer result, Throwable t) -> {
1213		m.checkExecutionMode();
1214	<	threadAssertNull(x);
1214	>	threadAssertNull(result);
1215		threadAssertTrue(t instanceof CancellationException);
1216		a.getAndIncrement();
1217		return v1;
#	Line 931 | 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();
944	<	if (!createIncomplete) f.completeExceptionally(ex1);
1237	>	final CFException ex = new CFException();
1238	>	if (!createIncomplete) assertTrue(f.complete(v1));
1239		final CompletableFuture<Integer> g = m.handle
1240		(f,
1241	<	(Integer x, Throwable t) -> {
1241	>	(Integer result, Throwable t) -> {
1242		m.checkExecutionMode();
1243	<	threadAssertNull(x);
1244	<	threadAssertSame(ex1, t);
1243	>	threadAssertSame(result, v1);
1244	>	threadAssertNull(t);
1245		a.getAndIncrement();
1246	<	throw ex2;
1246	>	throw ex;
1247		});
1248	<	if (createIncomplete) f.completeExceptionally(ex1);
1248	>	if (createIncomplete) assertTrue(f.complete(v1));
1249
1250	<	checkCompletedWithWrappedCFException(g, ex2);
1251	<	checkCompletedWithWrappedCFException(f, ex1);
1250	>	checkCompletedWithWrappedException(g, ex);
1251	>	checkCompletedNormally(f, v1);
1252		assertEquals(1, a.get());
1253		}}
1254
1255	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1256	<	for (ExecutionMode m : ExecutionMode.values())
1255	>	/**
1256	>	* If a "handle action" throws an exception when triggered by
1257	>	* a source completion that also throws an exception, the action
1258	>	* exception takes precedence (unlike whenComplete)
1259	>	*/
1260	>	public void testHandle_sourceFailedActionFailed() {
1261		for (boolean createIncomplete : new boolean[] { true, false })
1262	<	for (Integer v1 : new Integer[] { 1, null })
1262	>	for (ExecutionMode m : ExecutionMode.values())
1263		{
966	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1264		final AtomicInteger a = new AtomicInteger(0);
1265	<	final CFException ex = new CFException();
1266	<	if (!createIncomplete) f.complete(v1);
1265	>	final CFException ex1 = new CFException();
1266	>	final CFException ex2 = new CFException();
1267	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1268	>
1269	>	if (!createIncomplete) f.completeExceptionally(ex1);
1270		final CompletableFuture<Integer> g = m.handle
1271		(f,
1272	<	(Integer x, Throwable t) -> {
1272	>	(Integer result, Throwable t) -> {
1273		m.checkExecutionMode();
1274	<	threadAssertSame(x, v1);
1275	<	threadAssertNull(t);
1274	>	threadAssertNull(result);
1275	>	threadAssertSame(ex1, t);
1276		a.getAndIncrement();
1277	<	throw ex;
1277	>	throw ex2;
1278		});
1279	<	if (createIncomplete) f.complete(v1);
1279	>	if (createIncomplete) f.completeExceptionally(ex1);
1280
1281	<	checkCompletedWithWrappedCFException(g, ex);
1282	<	checkCompletedNormally(f, v1);
1281	>	checkCompletedWithWrappedException(g, ex2);
1282	>	checkCompletedExceptionally(f, ex1);
1283		assertEquals(1, a.get());
1284		}}
1285
#	Line 997 | Line 1297 | public class CompletableFutureTest exten
1297		final CompletableFuture<Void> f = m.runAsync(r);
1298		assertNull(f.join());
1299		checkCompletedNormally(f, null);
1300	<	assertEquals(1, r.invocationCount);
1300	>	r.assertInvoked();
1301		}}
1302
1303		/**
#	Line 1012 | Line 1312 | public class CompletableFutureTest exten
1312		{
1313		final FailingRunnable r = new FailingRunnable(m);
1314		final CompletableFuture<Void> f = m.runAsync(r);
1315	<	checkCompletedWithWrappedCFException(f);
1316	<	assertEquals(1, r.invocationCount);
1315	>	checkCompletedWithWrappedException(f, r.ex);
1316	>	r.assertInvoked();
1317		}}
1318
1319	+	@SuppressWarnings("FutureReturnValueIgnored")
1320	+	public void testRunAsync_rejectingExecutor() {
1321	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1322	+	try {
1323	+	CompletableFuture.runAsync(() -> {}, e);
1324	+	shouldThrow();
1325	+	} catch (Throwable t) {
1326	+	assertSame(e.ex, t);
1327	+	}
1328	+
1329	+	assertEquals(1, e.count.get());
1330	+	}
1331	+
1332		/**
1333		* supplyAsync completes with result of supplier
1334		*/
#	Line 1031 | Line 1344 | public class CompletableFutureTest exten
1344		final CompletableFuture<Integer> f = m.supplyAsync(r);
1345		assertSame(v1, f.join());
1346		checkCompletedNormally(f, v1);
1347	<	assertEquals(1, r.invocationCount);
1347	>	r.assertInvoked();
1348		}}
1349
1350		/**
#	Line 1046 | Line 1359 | public class CompletableFutureTest exten
1359		{
1360		FailingSupplier r = new FailingSupplier(m);
1361		CompletableFuture<Integer> f = m.supplyAsync(r);
1362	<	checkCompletedWithWrappedCFException(f);
1363	<	assertEquals(1, r.invocationCount);
1362	>	checkCompletedWithWrappedException(f, r.ex);
1363	>	r.assertInvoked();
1364		}}
1365
1366	+	@SuppressWarnings("FutureReturnValueIgnored")
1367	+	public void testSupplyAsync_rejectingExecutor() {
1368	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1369	+	try {
1370	+	CompletableFuture.supplyAsync(() -> null, e);
1371	+	shouldThrow();
1372	+	} catch (Throwable t) {
1373	+	assertSame(e.ex, t);
1374	+	}
1375	+
1376	+	assertEquals(1, e.count.get());
1377	+	}
1378	+
1379		// seq completion methods
1380
1381		/**
#	Line 1057 | Line 1383 | public class CompletableFutureTest exten
1383		*/
1384		public void testThenRun_normalCompletion() {
1385		for (ExecutionMode m : ExecutionMode.values())
1060	–	for (boolean createIncomplete : new boolean[] { true, false })
1386		for (Integer v1 : new Integer[] { 1, null })
1387		{
1388		final CompletableFuture<Integer> f = new CompletableFuture<>();
1389	<	final Noop r = new Noop(m);
1390	<	if (!createIncomplete) f.complete(v1);
1066	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1067	<	if (createIncomplete) {
1068	<	checkIncomplete(g);
1069	<	f.complete(v1);
1070	<	}
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 1080 | Line 1416 | public class CompletableFutureTest exten
1416		*/
1417		public void testThenRun_exceptionalCompletion() {
1418		for (ExecutionMode m : ExecutionMode.values())
1083	–	for (boolean createIncomplete : new boolean[] { true, false })
1419		{
1420		final CFException ex = new CFException();
1421		final CompletableFuture<Integer> f = new CompletableFuture<>();
1422	<	final Noop r = new Noop(m);
1423	<	if (!createIncomplete) f.completeExceptionally(ex);
1089	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1090	<	if (createIncomplete) {
1091	<	checkIncomplete(g);
1092	<	f.completeExceptionally(ex);
1093	<	}
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 1102 | Line 1448 | public class CompletableFutureTest exten
1448		*/
1449		public void testThenRun_sourceCancelled() {
1450		for (ExecutionMode m : ExecutionMode.values())
1105	–	for (boolean createIncomplete : new boolean[] { true, false })
1451		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1452		{
1453		final CompletableFuture<Integer> f = new CompletableFuture<>();
1454	<	final Noop r = new Noop(m);
1455	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1111	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1112	<	if (createIncomplete) {
1113	<	checkIncomplete(g);
1114	<	assertTrue(f.cancel(mayInterruptIfRunning));
1115	<	}
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 1124 | Line 1480 | public class CompletableFutureTest exten
1480		*/
1481		public void testThenRun_actionFailed() {
1482		for (ExecutionMode m : ExecutionMode.values())
1127	–	for (boolean createIncomplete : new boolean[] { true, false })
1483		for (Integer v1 : new Integer[] { 1, null })
1484		{
1485		final CompletableFuture<Integer> f = new CompletableFuture<>();
1486	<	final FailingRunnable r = new FailingRunnable(m);
1487	<	if (!createIncomplete) f.complete(v1);
1133	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1134	<	if (createIncomplete) {
1135	<	checkIncomplete(g);
1136	<	f.complete(v1);
1137	<	}
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 1145 | Line 1508 | public class CompletableFutureTest exten
1508		*/
1509		public void testThenApply_normalCompletion() {
1510		for (ExecutionMode m : ExecutionMode.values())
1148	–	for (boolean createIncomplete : new boolean[] { true, false })
1511		for (Integer v1 : new Integer[] { 1, null })
1512		{
1513		final CompletableFuture<Integer> f = new CompletableFuture<>();
1514	<	final IncFunction r = new IncFunction(m);
1515	<	if (!createIncomplete) f.complete(v1);
1154	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1155	<	if (createIncomplete) {
1156	<	checkIncomplete(g);
1157	<	f.complete(v1);
1158	<	}
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 1168 | Line 1536 | public class CompletableFutureTest exten
1536		*/
1537		public void testThenApply_exceptionalCompletion() {
1538		for (ExecutionMode m : ExecutionMode.values())
1171	–	for (boolean createIncomplete : new boolean[] { true, false })
1539		{
1540		final CFException ex = new CFException();
1541		final CompletableFuture<Integer> f = new CompletableFuture<>();
1542	<	final IncFunction r = new IncFunction(m);
1543	<	if (!createIncomplete) f.completeExceptionally(ex);
1177	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1178	<	if (createIncomplete) {
1179	<	checkIncomplete(g);
1180	<	f.completeExceptionally(ex);
1181	<	}
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 1190 | Line 1561 | public class CompletableFutureTest exten
1561		*/
1562		public void testThenApply_sourceCancelled() {
1563		for (ExecutionMode m : ExecutionMode.values())
1193	–	for (boolean createIncomplete : new boolean[] { true, false })
1564		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1565		{
1566		final CompletableFuture<Integer> f = new CompletableFuture<>();
1567	<	final IncFunction r = new IncFunction(m);
1568	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1199	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1200	<	if (createIncomplete) {
1201	<	checkIncomplete(g);
1202	<	assertTrue(f.cancel(mayInterruptIfRunning));
1203	<	}
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 1212 | Line 1586 | public class CompletableFutureTest exten
1586		*/
1587		public void testThenApply_actionFailed() {
1588		for (ExecutionMode m : ExecutionMode.values())
1215	–	for (boolean createIncomplete : new boolean[] { true, false })
1589		for (Integer v1 : new Integer[] { 1, null })
1590		{
1591		final CompletableFuture<Integer> f = new CompletableFuture<>();
1592	<	final FailingFunction r = new FailingFunction(m);
1593	<	if (!createIncomplete) f.complete(v1);
1221	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1222	<	if (createIncomplete) {
1223	<	checkIncomplete(g);
1224	<	f.complete(v1);
1225	<	}
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 1233 | Line 1610 | public class CompletableFutureTest exten
1610		*/
1611		public void testThenAccept_normalCompletion() {
1612		for (ExecutionMode m : ExecutionMode.values())
1236	–	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);
1242	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1243	<	if (createIncomplete) {
1244	<	checkIncomplete(g);
1245	<	f.complete(v1);
1246	<	}
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);
1251	<	assertEquals(inc(v1), r.value);
1632	>	for (NoopConsumer r : rs) r.assertValue(v1);
1633		}}
1634
1635		/**
#	Line 1257 | Line 1638 | public class CompletableFutureTest exten
1638		*/
1639		public void testThenAccept_exceptionalCompletion() {
1640		for (ExecutionMode m : ExecutionMode.values())
1260	–	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);
1266	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1267	<	if (createIncomplete) {
1268	<	checkIncomplete(g);
1269	<	f.completeExceptionally(ex);
1270	<	}
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		/**
#	Line 1279 | Line 1663 | public class CompletableFutureTest exten
1663		*/
1664		public void testThenAccept_sourceCancelled() {
1665		for (ExecutionMode m : ExecutionMode.values())
1282	–	for (boolean createIncomplete : new boolean[] { true, false })
1666		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1667		{
1668		final CompletableFuture<Integer> f = new CompletableFuture<>();
1669	<	final IncAction r = new IncAction();
1670	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1288	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1289	<	if (createIncomplete) {
1290	<	checkIncomplete(g);
1291	<	assertTrue(f.cancel(mayInterruptIfRunning));
1292	<	}
1669	>	final NoopConsumer[] rs = new NoopConsumer[4];
1670	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1671
1672	<	checkCompletedWithWrappedCancellationException(g);
1672	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1673	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1674	>	assertTrue(f.cancel(mayInterruptIfRunning));
1675	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1676	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1677	>
1678	>	checkCompletedWithWrappedCancellationException(h0);
1679	>	checkCompletedWithWrappedCancellationException(h1);
1680	>	checkCompletedWithWrappedCancellationException(h2);
1681	>	checkCompletedWithWrappedCancellationException(h3);
1682		checkCancelled(f);
1683	<	assertEquals(0, r.invocationCount);
1683	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1684		}}
1685
1686		/**
#	Line 1301 | Line 1688 | public class CompletableFutureTest exten
1688		*/
1689		public void testThenAccept_actionFailed() {
1690		for (ExecutionMode m : ExecutionMode.values())
1304	–	for (boolean createIncomplete : new boolean[] { true, false })
1691		for (Integer v1 : new Integer[] { 1, null })
1692		{
1693		final CompletableFuture<Integer> f = new CompletableFuture<>();
1694	<	final FailingConsumer r = new FailingConsumer(m);
1695	<	if (!createIncomplete) f.complete(v1);
1310	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1311	<	if (createIncomplete) {
1312	<	checkIncomplete(g);
1313	<	f.complete(v1);
1314	<	}
1694	>	final FailingConsumer[] rs = new FailingConsumer[4];
1695	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1696
1697	<	checkCompletedWithWrappedCFException(g);
1697	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1698	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1699	>	assertTrue(f.complete(v1));
1700	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1701	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1702	>
1703	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1704	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1705	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1706	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1707		checkCompletedNormally(f, v1);
1708		}}
1709
#	Line 1323 | Line 1713 | public class CompletableFutureTest exten
1713		*/
1714		public void testThenCombine_normalCompletion() {
1715		for (ExecutionMode m : ExecutionMode.values())
1326	–	for (boolean createIncomplete : new boolean[] { true, false })
1716		for (boolean fFirst : new boolean[] { true, false })
1717		for (Integer v1 : new Integer[] { 1, null })
1718		for (Integer v2 : new Integer[] { 2, null })
1719		{
1720		final CompletableFuture<Integer> f = new CompletableFuture<>();
1721		final CompletableFuture<Integer> g = new CompletableFuture<>();
1722	<	final SubtractFunction r = new SubtractFunction(m);
1722	>	final SubtractFunction[] rs = new SubtractFunction[6];
1723	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1724
1725	<	if (fFirst) f.complete(v1); else g.complete(v2);
1726	<	if (!createIncomplete)
1727	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1728	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1729	<	if (createIncomplete) {
1730	<	checkIncomplete(h);
1731	<	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
1345	–	checkCompletedNormally(h, subtract(v1, v2));
1751		checkCompletedNormally(f, v1);
1752		checkCompletedNormally(g, v2);
1348	–	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())
1357	–	for (boolean createIncomplete : new boolean[] { true, false })
1761		for (boolean fFirst : new boolean[] { true, false })
1762	+	for (boolean failFirst : new boolean[] { true, false })
1763		for (Integer v1 : new Integer[] { 1, null })
1764		{
1765		final CompletableFuture<Integer> f = new CompletableFuture<>();
1766		final CompletableFuture<Integer> g = new CompletableFuture<>();
1767		final CFException ex = new CFException();
1768	<	final SubtractFunction r = new SubtractFunction(m);
1769	<
1770	<	(fFirst ? f : g).complete(v1);
1771	<	if (!createIncomplete)
1772	<	(!fFirst ? f : g).completeExceptionally(ex);
1773	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1774	<	if (createIncomplete) {
1775	<	checkIncomplete(h);
1776	<	(!fFirst ? f : g).completeExceptionally(ex);
1777	<	}
1778	<
1779	<	checkCompletedWithWrappedCFException(h, ex);
1780	<	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 either source cancelled
1801		*/
1802	<	public void testThenCombine_sourceCancelled() {
1802	>	public void testThenCombine_sourceCancelled() throws Throwable {
1803		for (ExecutionMode m : ExecutionMode.values())
1804		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1387	–	for (boolean createIncomplete : new boolean[] { true, false })
1805		for (boolean fFirst : new boolean[] { true, false })
1806	+	for (boolean failFirst : new boolean[] { true, false })
1807		for (Integer v1 : new Integer[] { 1, null })
1808		{
1809		final CompletableFuture<Integer> f = new CompletableFuture<>();
1810		final CompletableFuture<Integer> g = new CompletableFuture<>();
1811	<	final SubtractFunction r = new SubtractFunction(m);
1812	<
1813	<	(fFirst ? f : g).complete(v1);
1814	<	if (!createIncomplete)
1815	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1816	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1817	<	if (createIncomplete) {
1818	<	checkIncomplete(h);
1819	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1820	<	}
1821	<
1822	<	checkCompletedWithWrappedCancellationException(h);
1823	<	checkCancelled(!fFirst ? f : g);
1824	<	assertEquals(0, r.invocationCount);
1825	<	checkCompletedNormally(fFirst ? f : g, v1);
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		/**
#	Line 1418 | Line 1850 | public class CompletableFutureTest exten
1850		{
1851		final CompletableFuture<Integer> f = new CompletableFuture<>();
1852		final CompletableFuture<Integer> g = new CompletableFuture<>();
1853	<	final FailingBiFunction r = new FailingBiFunction(m);
1854	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1855	<
1856	<	if (fFirst) {
1857	<	f.complete(v1);
1858	<	g.complete(v2);
1859	<	} else {
1860	<	g.complete(v2);
1861	<	f.complete(v1);
1862	<	}
1863	<
1864	<	checkCompletedWithWrappedCFException(h);
1853	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1854	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1855	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1856	>
1857	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1858	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1859	>	final Integer w1 =  fFirst ? v1 : v2;
1860	>	final Integer w2 = !fFirst ? v1 : v2;
1861	>
1862	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1863	>	assertTrue(fst.complete(w1));
1864	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1865	>	assertTrue(snd.complete(w2));
1866	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1867	>
1868	>	checkCompletedWithWrappedException(h1, r1.ex);
1869	>	checkCompletedWithWrappedException(h2, r2.ex);
1870	>	checkCompletedWithWrappedException(h3, r3.ex);
1871	>	r1.assertInvoked();
1872	>	r2.assertInvoked();
1873	>	r3.assertInvoked();
1874		checkCompletedNormally(f, v1);
1875		checkCompletedNormally(g, v2);
1876		}}
#	Line 1440 | Line 1881 | public class CompletableFutureTest exten
1881		*/
1882		public void testThenAcceptBoth_normalCompletion() {
1883		for (ExecutionMode m : ExecutionMode.values())
1443	–	for (boolean createIncomplete : new boolean[] { true, false })
1884		for (boolean fFirst : new boolean[] { true, false })
1885		for (Integer v1 : new Integer[] { 1, null })
1886		for (Integer v2 : new Integer[] { 2, null })
1887		{
1888		final CompletableFuture<Integer> f = new CompletableFuture<>();
1889		final CompletableFuture<Integer> g = new CompletableFuture<>();
1890	<	final SubtractAction r = new SubtractAction(m);
1891	<
1892	<	if (fFirst) f.complete(v1); else g.complete(v2);
1893	<	if (!createIncomplete)
1894	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1895	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1896	<	if (createIncomplete) {
1897	<	checkIncomplete(h);
1898	<	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 1469 | 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())
1474	–	for (boolean createIncomplete : new boolean[] { true, false })
1925		for (boolean fFirst : new boolean[] { true, false })
1926	+	for (boolean failFirst : new boolean[] { true, false })
1927		for (Integer v1 : new Integer[] { 1, null })
1928		{
1929		final CompletableFuture<Integer> f = new CompletableFuture<>();
1930		final CompletableFuture<Integer> g = new CompletableFuture<>();
1931		final CFException ex = new CFException();
1932	<	final SubtractAction r = new SubtractAction(m);
1933	<
1934	<	(fFirst ? f : g).complete(v1);
1935	<	if (!createIncomplete)
1936	<	(!fFirst ? f : g).completeExceptionally(ex);
1937	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1938	<	if (createIncomplete) {
1939	<	checkIncomplete(h);
1940	<	(!fFirst ? f : g).completeExceptionally(ex);
1941	<	}
1942	<
1943	<	checkCompletedWithWrappedCFException(h, ex);
1944	<	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 either source cancelled
1965		*/
1966	<	public void testThenAcceptBoth_sourceCancelled() {
1966	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1967		for (ExecutionMode m : ExecutionMode.values())
1968		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1504	–	for (boolean createIncomplete : new boolean[] { true, false })
1969		for (boolean fFirst : new boolean[] { true, false })
1970	+	for (boolean failFirst : new boolean[] { true, false })
1971		for (Integer v1 : new Integer[] { 1, null })
1972		{
1973		final CompletableFuture<Integer> f = new CompletableFuture<>();
1974		final CompletableFuture<Integer> g = new CompletableFuture<>();
1975	<	final SubtractAction r = new SubtractAction(m);
1976	<
1977	<	(fFirst ? f : g).complete(v1);
1978	<	if (!createIncomplete)
1979	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1980	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1981	<	if (createIncomplete) {
1982	<	checkIncomplete(h);
1983	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1984	<	}
1985	<
1986	<	checkCompletedWithWrappedCancellationException(h);
1987	<	checkCancelled(!fFirst ? f : g);
1988	<	assertEquals(0, r.invocationCount);
1989	<	checkCompletedNormally(fFirst ? f : g, v1);
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		/**
#	Line 1535 | Line 2014 | public class CompletableFutureTest exten
2014		{
2015		final CompletableFuture<Integer> f = new CompletableFuture<>();
2016		final CompletableFuture<Integer> g = new CompletableFuture<>();
2017	<	final FailingBiConsumer r = new FailingBiConsumer(m);
2018	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2019	<
2020	<	if (fFirst) {
2021	<	f.complete(v1);
2022	<	g.complete(v2);
2023	<	} else {
2024	<	g.complete(v2);
2025	<	f.complete(v1);
2026	<	}
2027	<
2028	<	checkCompletedWithWrappedCFException(h);
2017	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2018	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2019	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2020	>
2021	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2022	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2023	>	final Integer w1 =  fFirst ? v1 : v2;
2024	>	final Integer w2 = !fFirst ? v1 : v2;
2025	>
2026	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2027	>	assertTrue(fst.complete(w1));
2028	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2029	>	assertTrue(snd.complete(w2));
2030	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2031	>
2032	>	checkCompletedWithWrappedException(h1, r1.ex);
2033	>	checkCompletedWithWrappedException(h2, r2.ex);
2034	>	checkCompletedWithWrappedException(h3, r3.ex);
2035	>	r1.assertInvoked();
2036	>	r2.assertInvoked();
2037	>	r3.assertInvoked();
2038		checkCompletedNormally(f, v1);
2039		checkCompletedNormally(g, v2);
2040		}}
#	Line 1557 | Line 2045 | public class CompletableFutureTest exten
2045		*/
2046		public void testRunAfterBoth_normalCompletion() {
2047		for (ExecutionMode m : ExecutionMode.values())
1560	–	for (boolean createIncomplete : new boolean[] { true, false })
2048		for (boolean fFirst : new boolean[] { true, false })
2049		for (Integer v1 : new Integer[] { 1, null })
2050		for (Integer v2 : new Integer[] { 2, null })
2051		{
2052		final CompletableFuture<Integer> f = new CompletableFuture<>();
2053		final CompletableFuture<Integer> g = new CompletableFuture<>();
2054	<	final Noop r = new Noop(m);
2055	<
2056	<	if (fFirst) f.complete(v1); else g.complete(v2);
2057	<	if (!createIncomplete)
2058	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2059	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2060	<	if (createIncomplete) {
2061	<	checkIncomplete(h);
2062	<	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 1586 | 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())
1591	–	for (boolean createIncomplete : new boolean[] { true, false })
2089		for (boolean fFirst : new boolean[] { true, false })
2090	+	for (boolean failFirst : new boolean[] { true, false })
2091		for (Integer v1 : new Integer[] { 1, null })
2092		{
2093		final CompletableFuture<Integer> f = new CompletableFuture<>();
2094		final CompletableFuture<Integer> g = new CompletableFuture<>();
2095		final CFException ex = new CFException();
2096	<	final Noop r = new Noop(m);
2097	<
2098	<	(fFirst ? f : g).complete(v1);
2099	<	if (!createIncomplete)
2100	<	(!fFirst ? f : g).completeExceptionally(ex);
2101	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2102	<	if (createIncomplete) {
2103	<	checkIncomplete(h);
2104	<	(!fFirst ? f : g).completeExceptionally(ex);
2105	<	}
2106	<
2107	<	checkCompletedWithWrappedCFException(h, ex);
2108	<	assertEquals(0, r.invocationCount);
2109	<	checkCompletedNormally(fFirst ? f : g, v1);
2110	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2096	>	final Noop r1 = new Noop(m);
2097	>	final Noop r2 = new Noop(m);
2098	>	final Noop r3 = new Noop(m);
2099	>
2100	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2101	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2102	>	final Callable<Boolean> complete1 = failFirst ?
2103	>	() -> fst.completeExceptionally(ex) :
2104	>	() -> fst.complete(v1);
2105	>	final Callable<Boolean> complete2 = failFirst ?
2106	>	() -> snd.complete(v1) :
2107	>	() -> snd.completeExceptionally(ex);
2108	>
2109	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2110	>	assertTrue(complete1.call());
2111	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2112	>	checkIncomplete(h1);
2113	>	checkIncomplete(h2);
2114	>	assertTrue(complete2.call());
2115	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2116	>
2117	>	checkCompletedWithWrappedException(h1, ex);
2118	>	checkCompletedWithWrappedException(h2, ex);
2119	>	checkCompletedWithWrappedException(h3, ex);
2120	>	r1.assertNotInvoked();
2121	>	r2.assertNotInvoked();
2122	>	r3.assertNotInvoked();
2123	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2124	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2125		}}
2126
2127		/**
2128		* runAfterBoth result completes exceptionally if either source cancelled
2129		*/
2130	<	public void testRunAfterBoth_sourceCancelled() {
2130	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2131		for (ExecutionMode m : ExecutionMode.values())
2132		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1621	–	for (boolean createIncomplete : new boolean[] { true, false })
2133		for (boolean fFirst : new boolean[] { true, false })
2134	+	for (boolean failFirst : new boolean[] { true, false })
2135		for (Integer v1 : new Integer[] { 1, null })
2136		{
2137		final CompletableFuture<Integer> f = new CompletableFuture<>();
2138		final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	<	final Noop r = new Noop(m);
2140	<
2141	<
2142	<	(fFirst ? f : g).complete(v1);
2143	<	if (!createIncomplete)
2144	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2145	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2146	<	if (createIncomplete) {
2147	<	checkIncomplete(h);
2148	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2149	<	}
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		/**
#	Line 1653 | Line 2178 | public class CompletableFutureTest exten
2178		{
2179		final CompletableFuture<Integer> f = new CompletableFuture<>();
2180		final CompletableFuture<Integer> g = new CompletableFuture<>();
2181	<	final FailingRunnable r = new FailingRunnable(m);
2182	<
2183	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r);
2184	<	if (fFirst) {
2185	<	f.complete(v1);
2186	<	g.complete(v2);
2187	<	} else {
2188	<	g.complete(v2);
2189	<	f.complete(v1);
2190	<	}
2191	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r);
2192	<
2193	<	checkCompletedWithWrappedCFException(h1);
2194	<	checkCompletedWithWrappedCFException(h2);
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);
2204		}}
#	Line 1677 | Line 2209 | public class CompletableFutureTest exten
2209		*/
2210		public void testApplyToEither_normalCompletion() {
2211		for (ExecutionMode m : ExecutionMode.values())
1680	–	for (boolean createIncomplete : new boolean[] { true, false })
1681	–	for (boolean fFirst : new boolean[] { true, false })
1682	–	for (Integer v1 : new Integer[] { 1, null })
1683	–	for (Integer v2 : new Integer[] { 2, null })
1684	–	{
1685	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1686	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1687	–	final IncFunction r = new IncFunction(m);
1688	–
1689	–	if (!createIncomplete)
1690	–	if (fFirst) f.complete(v1); else g.complete(v2);
1691	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1692	–	if (createIncomplete) {
1693	–	checkIncomplete(h);
1694	–	assertEquals(0, r.invocationCount);
1695	–	if (fFirst) f.complete(v1); else g.complete(v2);
1696	–	}
1697	–	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
1698	–	if (!fFirst) f.complete(v1); else g.complete(v2);
1699	–
1700	–	checkCompletedNormally(f, v1);
1701	–	checkCompletedNormally(g, v2);
1702	–	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
1703	–	}}
1704	–
1705	–	public void testApplyToEither_normalCompletionBothAvailable() {
1706	–	for (ExecutionMode m : ExecutionMode.values())
1707	–	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(m);
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())
1740	–	for (boolean createIncomplete : new boolean[] { true, false })
1741	–	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(m);
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())
1768	–	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<>();
1774	–	final IncFunction r1 = new IncFunction(m);
1775	–	final IncFunction r2 = new IncFunction(m);
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);
1786	<	}
1787	<	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		}
1797	–
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
1806	–	checkCompletedWithWrappedCFException(g, ex);
1807	–	checkCompletedNormally(f, v1);
1808	–	}}
1809	–
1810	–	/**
1811	–	* applyToEither result completes exceptionally if action does
1812	–	*/
1813	–	public void testApplyToEither_actionFailed1() {
1814	–	for (ExecutionMode m : ExecutionMode.values())
1815	–	for (Integer v1 : new Integer[] { 1, null })
1816	–	for (Integer v2 : new Integer[] { 2, null })
1817	–	{
1818	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1819	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1820	–	final FailingFunction r = new FailingFunction(m);
1821	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1822	–
1823	–	f.complete(v1);
1824	–	checkCompletedWithWrappedCFException(h);
1825	–	g.complete(v2);
2359		checkCompletedNormally(f, v1);
2360	<	checkCompletedNormally(g, v2);
1828	<	}}
1829	<
1830	<	public void testApplyToEither_actionFailed2() {
1831	<	for (ExecutionMode m : ExecutionMode.values())
1832	<	for (Integer v1 : new Integer[] { 1, null })
1833	<	for (Integer v2 : new Integer[] { 2, null })
1834	<	{
1835	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1836	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1837	<	final FailingFunction r = new FailingFunction(m);
1838	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1839	<
1840	<	g.complete(v2);
1841	<	checkCompletedWithWrappedCFException(h);
1842	<	f.complete(v1);
1843	<	checkCompletedNormally(f, v1);
1844	<	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 })
1853	–	for (boolean createIncomplete : new boolean[] { true, false })
1854	–	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(m);
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 })
1881	–	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(m);
2427	<	final IncFunction r2 = new IncFunction(m);
1889	<	final CFException ex = new CFException();
1890	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1891	<	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));
1899	<	f.complete(v1);
1900	<	}
1901	<	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		}
1911	–
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
1920	–	checkCancelled(g);
2466		checkCompletedNormally(f, v1);
2467	+	checkCancelled(g);
2468		}}
2469
2470		/**
2471	<	* acceptEither result completes normally after normal completion
1926	<	* 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);
1946	<	}}
1947	<
1948	<	public void testAcceptEither_normalCompletion2() {
1949	<	for (ExecutionMode m : ExecutionMode.values())
1950	<	for (Integer v1 : new Integer[] { 1, null })
1951	<	for (Integer v2 : new Integer[] { 2, null })
1952	<	{
1953	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1954	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1955	<	final IncAction r = new IncAction();
1956	<	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);
1965	–	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);
1979	–	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<>();
2000	–	final IncAction r = new IncAction();
2001	–	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<>();
2020	–	final IncAction r = new IncAction();
2021	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2022	–	final CFException ex = new CFException();
2023	–
2024	–	g.completeExceptionally(ex);
2025	–	checkCompletedWithWrappedCFException(h, ex);
2026	–	f.complete(v1);
2027	–
2028	–	assertEquals(0, r.invocationCount);
2029	–	checkCompletedNormally(f, v1);
2030	–	checkCompletedWithWrappedCFException(g, ex);
2031	–	checkCompletedWithWrappedCFException(h, ex);
2032	–	}}
2033	–
2034	–	public void testAcceptEither_exceptionalCompletion3() {
2035	–	for (ExecutionMode m : ExecutionMode.values())
2036	–	for (Integer v1 : new Integer[] { 1, null })
2037	–	{
2038	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2039	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2040	–	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
2048	<	Integer v;
2639	>	// unspecified behavior - both source completions available
2640		try {
2641	<	assertNull(h.join());
2642	<	assertEquals(1, r.invocationCount);
2052	<	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		}
2057	–
2058	–	checkCompletedWithWrappedCFException(g, ex);
2059	–	checkCompletedNormally(f, v1);
2060	–	}}
2061	–
2062	–	public void testAcceptEither_exceptionalCompletion4() {
2063	–	for (ExecutionMode m : ExecutionMode.values())
2064	–	for (Integer v1 : new Integer[] { 1, null })
2065	–	{
2066	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2067	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2068	–	final IncAction r = new IncAction();
2069	–	final CFException ex = new CFException();
2070	–
2071	–	f.completeExceptionally(ex);
2072	–	g.complete(v1);
2073	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2074	–
2075	–	// unspecified behavior
2076	–	Integer v;
2647		try {
2648	<	assertNull(h.join());
2649	<	assertEquals(1, r.invocationCount);
2080	<	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
2086	–	checkCompletedWithWrappedCFException(f, ex);
2087	–	checkCompletedNormally(g, v1);
2088	–	}}
2089	–
2090	–	/**
2091	–	* acceptEither result completes exceptionally if action does
2092	–	*/
2093	–	public void testAcceptEither_actionFailed1() {
2094	–	for (ExecutionMode m : ExecutionMode.values())
2095	–	for (Integer v1 : new Integer[] { 1, null })
2096	–	for (Integer v2 : new Integer[] { 2, null })
2097	–	{
2098	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2099	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2100	–	final FailingConsumer r = new FailingConsumer(m);
2101	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2102	–
2103	–	f.complete(v1);
2104	–	checkCompletedWithWrappedCFException(h);
2105	–	g.complete(v2);
2106	–	checkCompletedNormally(f, v1);
2107	–	checkCompletedNormally(g, v2);
2108	–	}}
2109	–
2110	–	public void testAcceptEither_actionFailed2() {
2111	–	for (ExecutionMode m : ExecutionMode.values())
2112	–	for (Integer v1 : new Integer[] { 1, null })
2113	–	for (Integer v2 : new Integer[] { 2, null })
2114	–	{
2115	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2116	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2117	–	final FailingConsumer r = new FailingConsumer(m);
2118	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2119	–
2120	–	g.complete(v2);
2121	–	checkCompletedWithWrappedCFException(h);
2122	–	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() {
2131	<	for (ExecutionMode m : ExecutionMode.values())
2132	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2133	<	for (Integer v1 : new Integer[] { 1, null })
2134	<	{
2135	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2136	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2137	<	final IncAction r = new IncAction();
2138	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2139	<
2140	<	assertTrue(f.cancel(mayInterruptIfRunning));
2141	<	checkCompletedWithWrappedCancellationException(h);
2142	<	g.complete(v1);
2143	<
2144	<	checkCancelled(f);
2145	<	assertEquals(0, r.invocationCount);
2146	<	checkCompletedNormally(g, v1);
2147	<	checkCompletedWithWrappedCancellationException(h);
2148	<	}}
2149	<
2150	<	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);
2159	<
2160	<	assertTrue(g.cancel(mayInterruptIfRunning));
2161	<	checkCompletedWithWrappedCancellationException(h);
2162	<	f.complete(v1);
2163	<
2164	<	checkCancelled(g);
2165	<	assertEquals(0, r.invocationCount);
2166	<	checkCompletedNormally(f, v1);
2167	<	checkCompletedWithWrappedCancellationException(h);
2168	<	}}
2683	>	final NoopConsumer[] rs = new NoopConsumer[6];
2684	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2685
2686	<	public void testAcceptEither_sourceCancelled3() {
2687	<	for (ExecutionMode m : ExecutionMode.values())
2688	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2689	<	for (Integer v1 : new Integer[] { 1, null })
2690	<	{
2691	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2692	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2693	<	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));
2180	<	f.complete(v1);
2181	<	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);
2188	<	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		}
2193	–
2194	–	checkCancelled(g);
2195	–	checkCompletedNormally(f, v1);
2196	–	}}
2197	–
2198	–	public void testAcceptEither_sourceCancelled4() {
2199	–	for (ExecutionMode m : ExecutionMode.values())
2200	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2201	–	for (Integer v1 : new Integer[] { 1, null })
2202	–	{
2203	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2204	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2205	–	final IncAction r = new IncAction();
2206	–
2207	–	assertTrue(f.cancel(mayInterruptIfRunning));
2208	–	g.complete(v1);
2209	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2210	–
2211	–	// unspecified behavior
2212	–	Integer v;
2712		try {
2713	<	assertNull(h.join());
2714	<	assertEquals(1, r.invocationCount);
2216	<	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
2228	<	* 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(m);
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);
2247	–	checkCompletedNormally(h, null);
2248	–	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(m);
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
2266	–	checkCompletedNormally(f, v1);
2267	–	checkCompletedNormally(g, v2);
2268	–	checkCompletedNormally(h, null);
2269	–	assertEquals(1, r.invocationCount);
2270	–	}}
2271	–
2272	–	public void testRunAfterEither_normalCompletion3() {
2273	–	for (ExecutionMode m : ExecutionMode.values())
2274	–	for (Integer v1 : new Integer[] { 1, null })
2275	–	for (Integer v2 : new Integer[] { 2, null })
2276	–	{
2277	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2278	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2279	–	final Noop r = new Noop(m);
2280	–
2281	–	f.complete(v1);
2807		g.complete(v2);
2283	–	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<>();
2301	–	final Noop r = new Noop(m);
2302	–	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<>();
2321	–	final Noop r = new Noop(m);
2322	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2323	–	final CFException ex = new CFException();
2324	–
2325	–	g.completeExceptionally(ex);
2326	–	checkCompletedWithWrappedCFException(h, ex);
2327	–	f.complete(v1);
2328	–
2329	–	assertEquals(0, r.invocationCount);
2330	–	checkCompletedNormally(f, v1);
2331	–	checkCompletedWithWrappedCFException(g, ex);
2332	–	checkCompletedWithWrappedCFException(h, ex);
2333	–	}}
2334	–
2335	–	public void testRunAfterEither_exceptionalCompletion3() {
2336	–	for (ExecutionMode m : ExecutionMode.values())
2337	–	for (Integer v1 : new Integer[] { 1, null })
2338	–	{
2339	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2340	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2341	–	final Noop r = new Noop(m);
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
2358	–	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(m);
2944	<	final CFException ex = new CFException();
2370	<
2371	<	f.completeExceptionally(ex);
2372	<	g.complete(v1);
2373	<	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(h4.join());
2967	>	rs[4].assertInvoked();
2968	>	} catch (CompletionException ok) {
2969	>	checkCompletedWithWrappedCancellationException(h4);
2970	>	rs[4].assertNotInvoked();
2971	>	}
2972		try {
2973	<	assertNull(h.join());
2974	<	assertEquals(1, r.invocationCount);
2973	>	assertNull(h5.join());
2974	>	rs[5].assertInvoked();
2975		} catch (CompletionException ok) {
2976	<	checkCompletedWithWrappedCFException(h, ex);
2977	<	assertEquals(0, r.invocationCount);
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(m);
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
2402	–	f.complete(v1);
2403	–	checkCompletedWithWrappedCFException(h);
2404	–	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 })
2412	–	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(m);
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);
2420	<	checkCompletedWithWrappedCFException(h);
2421	<	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 })
2432	<	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(m);
3055	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2438	<
2439	<	assertTrue(f.cancel(mayInterruptIfRunning));
2440	<	checkCompletedWithWrappedCancellationException(h);
2441	<	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);
2446	<	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(m);
3073	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3074	<
3075	<	assertTrue(g.cancel(mayInterruptIfRunning));
2460	<	checkCompletedWithWrappedCancellationException(h);
2461	<	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);
2464	<	assertEquals(0, r.invocationCount);
3077	>	checkCompletedWithWrappedException(g, r.ex);
3078		checkCompletedNormally(f, v1);
2466	–	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 })
2472	–	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(m);
3092	<
3093	<	assertTrue(g.cancel(mayInterruptIfRunning));
3094	<	f.complete(v1);
3095	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2481	<
2482	<	// unspecified behavior
2483	<	Integer v;
2484	<	try {
2485	<	assertNull(h.join());
2486	<	assertEquals(1, r.invocationCount);
2487	<	} catch (CompletionException ok) {
2488	<	checkCompletedWithWrappedCancellationException(h);
2489	<	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(m);
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(m);
3165	<	if (!createIncomplete) f.complete(v1);
3166	<	final CompletableFuture<Integer> g = m.thenCompose(f, 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
2537	–	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(m);
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 = m.thenCompose(f, 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 })
3202		for (Integer v1 : new Integer[] { 1, null })
3203		{
3204	+	final CFException ex = new CFException();
3205		final CompletableFuture<Integer> f = new CompletableFuture<>();
3206	<	final FailingCompletableFutureFunction r
3207	<	= new FailingCompletableFutureFunction(m);
3208	<	if (!createIncomplete) f.complete(v1);
3209	<	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3210	<	if (createIncomplete) f.complete(v1);
3206	>	final FailingExceptionalCompletableFutureFunction r
3207	>	= new FailingExceptionalCompletableFutureFunction(m);
3208	>	if (!createIncomplete) f.completeExceptionally(ex);
3209	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3210	>	if (createIncomplete) f.completeExceptionally(ex);
3211
3212	<	checkCompletedWithWrappedCFException(g);
3213	<	checkCompletedNormally(f, v1);
3212	>	checkCompletedExceptionally(f, ex);
3213	>	checkCompletedWithWrappedException(g, r.ex);
3214	>	r.assertInvoked();
3215		}}
3216
3217		/**
3218	<	* thenCompose result completes exceptionally if source cancelled
3218	>	* thenComposeExceptionally result completes exceptionally if the
3219	>	* result of the action does
3220		*/
3221	<	public void testThenCompose_sourceCancelled() {
3221	>	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3222		for (ExecutionMode m : ExecutionMode.values())
3223	<	for (boolean createIncomplete : new boolean[] { true, false })
3224	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3223	>	for (int order = 0; order < 6; order++)
3224	>	for (Integer v1 : new Integer[] { 1, null })
3225		{
3226	+	final CFException ex0 = new CFException();
3227	+	final CFException ex = new CFException();
3228		final CompletableFuture<Integer> f = new CompletableFuture<>();
3229	<	final CompletableFutureInc r = new CompletableFutureInc(m);
3230	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3231	<	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3232	<	if (createIncomplete) {
3233	<	checkIncomplete(g);
3234	<	assertTrue(f.cancel(mayInterruptIfRunning));
3235	<	}
3236	<
3237	<	checkCompletedWithWrappedCancellationException(g);
3238	<	checkCancelled(f);
3229	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3230	>	final CompletableFuture<Integer> h;
3231	>	// Test all permutations of orders
3232	>	switch (order) {
3233	>	case 0:
3234	>	assertTrue(f.completeExceptionally(ex0));
3235	>	assertTrue(g.completeExceptionally(ex));
3236	>	h = m.exceptionallyCompose(f, (x -> g));
3237	>	break;
3238	>	case 1:
3239	>	assertTrue(f.completeExceptionally(ex0));
3240	>	h = m.exceptionallyCompose(f, (x -> g));
3241	>	assertTrue(g.completeExceptionally(ex));
3242	>	break;
3243	>	case 2:
3244	>	assertTrue(g.completeExceptionally(ex));
3245	>	assertTrue(f.completeExceptionally(ex0));
3246	>	h = m.exceptionallyCompose(f, (x -> g));
3247	>	break;
3248	>	case 3:
3249	>	assertTrue(g.completeExceptionally(ex));
3250	>	h = m.exceptionallyCompose(f, (x -> g));
3251	>	assertTrue(f.completeExceptionally(ex0));
3252	>	break;
3253	>	case 4:
3254	>	h = m.exceptionallyCompose(f, (x -> g));
3255	>	assertTrue(f.completeExceptionally(ex0));
3256	>	assertTrue(g.completeExceptionally(ex));
3257	>	break;
3258	>	case 5:
3259	>	h = m.exceptionallyCompose(f, (x -> g));
3260	>	assertTrue(f.completeExceptionally(ex0));
3261	>	assertTrue(g.completeExceptionally(ex));
3262	>	break;
3263	>	default: throw new AssertionError();
3264	>	}
3265	>
3266	>	checkCompletedExceptionally(g, ex);
3267	>	checkCompletedWithWrappedException(h, ex);
3268	>	checkCompletedExceptionally(f, ex0);
3269		}}
3270
3271		// other static methods
#	Line 2615 | Line 3284 | public class CompletableFutureTest exten
3284		* when all components complete normally
3285		*/
3286		public void testAllOf_normal() throws Exception {
3287	<	for (int k = 1; k < 20; ++k) {
3287	>	for (int k = 1; k < 10; k++) {
3288		CompletableFuture<Integer>[] fs
3289		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3290	<	for (int i = 0; i < k; ++i)
3290	>	for (int i = 0; i < k; i++)
3291		fs[i] = new CompletableFuture<>();
3292		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3293	<	for (int i = 0; i < k; ++i) {
3293	>	for (int i = 0; i < k; i++) {
3294		checkIncomplete(f);
3295		checkIncomplete(CompletableFuture.allOf(fs));
3296		fs[i].complete(one);
#	Line 2631 | Line 3300 | public class CompletableFutureTest exten
3300		}
3301		}
3302
3303	<	public void testAllOf_backwards() throws Exception {
3304	<	for (int k = 1; k < 20; ++k) {
3303	>	public void testAllOf_normal_backwards() throws Exception {
3304	>	for (int k = 1; k < 10; k++) {
3305		CompletableFuture<Integer>[] fs
3306		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3307	<	for (int i = 0; i < k; ++i)
3307	>	for (int i = 0; i < k; i++)
3308		fs[i] = new CompletableFuture<>();
3309		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3310		for (int i = k - 1; i >= 0; i--) {
#	Line 2648 | Line 3317 | public class CompletableFutureTest exten
3317		}
3318		}
3319
3320	+	public void testAllOf_exceptional() throws Exception {
3321	+	for (int k = 1; k < 10; k++) {
3322	+	CompletableFuture<Integer>[] fs
3323	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3324	+	CFException ex = new CFException();
3325	+	for (int i = 0; i < k; i++)
3326	+	fs[i] = new CompletableFuture<>();
3327	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3328	+	for (int i = 0; i < k; i++) {
3329	+	checkIncomplete(f);
3330	+	checkIncomplete(CompletableFuture.allOf(fs));
3331	+	if (i != k / 2) {
3332	+	fs[i].complete(i);
3333	+	checkCompletedNormally(fs[i], i);
3334	+	} else {
3335	+	fs[i].completeExceptionally(ex);
3336	+	checkCompletedExceptionally(fs[i], ex);
3337	+	}
3338	+	}
3339	+	checkCompletedWithWrappedException(f, ex);
3340	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3341	+	}
3342	+	}
3343	+
3344		/**
3345		* anyOf(no component futures) returns an incomplete future
3346		*/
3347		public void testAnyOf_empty() throws Exception {
3348	+	for (Integer v1 : new Integer[] { 1, null })
3349	+	{
3350		CompletableFuture<Object> f = CompletableFuture.anyOf();
3351		checkIncomplete(f);
3352	<	}
3352	>
3353	>	f.complete(v1);
3354	>	checkCompletedNormally(f, v1);
3355	>	}}
3356
3357		/**
3358		* anyOf returns a future completed normally with a value when
3359		* a component future does
3360		*/
3361		public void testAnyOf_normal() throws Exception {
3362	<	for (int k = 0; k < 10; ++k) {
3362	>	for (int k = 0; k < 10; k++) {
3363		CompletableFuture[] fs = new CompletableFuture[k];
3364	<	for (int i = 0; i < k; ++i)
3364	>	for (int i = 0; i < k; i++)
3365		fs[i] = new CompletableFuture<>();
3366		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3367		checkIncomplete(f);
3368	<	for (int i = 0; i < k; ++i) {
3369	<	fs[i].complete(one);
3370	<	checkCompletedNormally(f, one);
3371	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3368	>	for (int i = 0; i < k; i++) {
3369	>	fs[i].complete(i);
3370	>	checkCompletedNormally(f, 0);
3371	>	int x = (int) CompletableFuture.anyOf(fs).join();
3372	>	assertTrue(0 <= x && x <= i);
3373	>	}
3374	>	}
3375	>	}
3376	>	public void testAnyOf_normal_backwards() throws Exception {
3377	>	for (int k = 0; k < 10; k++) {
3378	>	CompletableFuture[] fs = new CompletableFuture[k];
3379	>	for (int i = 0; i < k; i++)
3380	>	fs[i] = new CompletableFuture<>();
3381	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3382	>	checkIncomplete(f);
3383	>	for (int i = k - 1; i >= 0; i--) {
3384	>	fs[i].complete(i);
3385	>	checkCompletedNormally(f, k - 1);
3386	>	int x = (int) CompletableFuture.anyOf(fs).join();
3387	>	assertTrue(i <= x && x <= k - 1);
3388		}
3389		}
3390		}
#	Line 2679 | Line 3393 | public class CompletableFutureTest exten
3393		* anyOf result completes exceptionally when any component does.
3394		*/
3395		public void testAnyOf_exceptional() throws Exception {
3396	<	for (int k = 0; k < 10; ++k) {
3396	>	for (int k = 0; k < 10; k++) {
3397	>	CompletableFuture[] fs = new CompletableFuture[k];
3398	>	CFException[] exs = new CFException[k];
3399	>	for (int i = 0; i < k; i++) {
3400	>	fs[i] = new CompletableFuture<>();
3401	>	exs[i] = new CFException();
3402	>	}
3403	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3404	>	checkIncomplete(f);
3405	>	for (int i = 0; i < k; i++) {
3406	>	fs[i].completeExceptionally(exs[i]);
3407	>	checkCompletedWithWrappedException(f, exs[0]);
3408	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3409	>	}
3410	>	}
3411	>	}
3412	>
3413	>	public void testAnyOf_exceptional_backwards() throws Exception {
3414	>	for (int k = 0; k < 10; k++) {
3415		CompletableFuture[] fs = new CompletableFuture[k];
3416	<	for (int i = 0; i < k; ++i)
3416	>	CFException[] exs = new CFException[k];
3417	>	for (int i = 0; i < k; i++) {
3418		fs[i] = new CompletableFuture<>();
3419	+	exs[i] = new CFException();
3420	+	}
3421		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3422		checkIncomplete(f);
3423	<	for (int i = 0; i < k; ++i) {
3424	<	fs[i].completeExceptionally(new CFException());
3425	<	checkCompletedWithWrappedCFException(f);
3423	>	for (int i = k - 1; i >= 0; i--) {
3424	>	fs[i].completeExceptionally(exs[i]);
3425	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3426		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3427		}
3428		}
#	Line 2696 | Line 3431 | public class CompletableFutureTest exten
3431		/**
3432		* Completion methods throw NullPointerException with null arguments
3433		*/
3434	+	@SuppressWarnings("FutureReturnValueIgnored")
3435		public void testNPE() {
3436		CompletableFuture<Integer> f = new CompletableFuture<>();
3437		CompletableFuture<Integer> g = new CompletableFuture<>();
3438		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2703	–	CompletableFuture<?> h;
3439		ThreadExecutor exec = new ThreadExecutor();
3440
3441		Runnable[] throwingActions = {
3442		() -> CompletableFuture.supplyAsync(null),
3443		() -> CompletableFuture.supplyAsync(null, exec),
3444	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3444	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3445
3446		() -> CompletableFuture.runAsync(null),
3447		() -> CompletableFuture.runAsync(null, exec),
#	Line 2716 | Line 3451 | public class CompletableFutureTest exten
3451
3452		() -> f.thenApply(null),
3453		() -> f.thenApplyAsync(null),
3454	<	() -> f.thenApplyAsync((x) -> x, null),
3454	>	() -> f.thenApplyAsync(x -> x, null),
3455		() -> f.thenApplyAsync(null, exec),
3456
3457		() -> f.thenAccept(null),
3458		() -> f.thenAcceptAsync(null),
3459	<	() -> f.thenAcceptAsync((x) -> {} , null),
3459	>	() -> f.thenAcceptAsync(x -> {} , null),
3460		() -> f.thenAcceptAsync(null, exec),
3461
3462		() -> f.thenRun(null),
#	Line 2756 | Line 3491 | public class CompletableFutureTest exten
3491		() -> f.applyToEither(g, null),
3492		() -> f.applyToEitherAsync(g, null),
3493		() -> f.applyToEitherAsync(g, null, exec),
3494	<	() -> f.applyToEither(nullFuture, (x) -> x),
3495	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3496	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3497	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3494	>	() -> f.applyToEither(nullFuture, x -> x),
3495	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3496	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3497	>	() -> f.applyToEitherAsync(g, x -> x, null),
3498
3499		() -> f.acceptEither(g, null),
3500		() -> f.acceptEitherAsync(g, null),
3501		() -> f.acceptEitherAsync(g, null, exec),
3502	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3503	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3504	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3505	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3502	>	() -> f.acceptEither(nullFuture, x -> {}),
3503	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3504	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3505	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3506
3507		() -> f.runAfterEither(g, null),
3508		() -> f.runAfterEitherAsync(g, null),
#	Line 2797 | Line 3532 | public class CompletableFutureTest exten
3532		() -> CompletableFuture.anyOf(null, f),
3533
3534		() -> f.obtrudeException(null),
3535	+
3536	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3537	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3538	+	() -> CompletableFuture.delayedExecutor(1L, null),
3539	+
3540	+	() -> f.orTimeout(1L, null),
3541	+	() -> f.completeOnTimeout(42, 1L, null),
3542	+
3543	+	() -> CompletableFuture.failedFuture(null),
3544	+	() -> CompletableFuture.failedStage(null),
3545		};
3546
3547		assertThrows(NullPointerException.class, throwingActions);
#	Line 2804 | Line 3549 | public class CompletableFutureTest exten
3549		}
3550
3551		/**
3552	+	* Test submissions to an executor that rejects all tasks.
3553	+	*/
3554	+	public void testRejectingExecutor() {
3555	+	for (Integer v : new Integer[] { 1, null })
3556	+	{
3557	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3558	+
3559	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3560	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3561	+
3562	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3563	+
3564	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3565	+	srcs.add(complete);
3566	+	srcs.add(incomplete);
3567	+
3568	+	for (CompletableFuture<Integer> src : srcs) {
3569	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3570	+	fs.add(src.thenRunAsync(() -> {}, e));
3571	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3572	+	fs.add(src.thenApplyAsync(z -> z, e));
3573	+
3574	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3575	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3576	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3577	+
3578	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3579	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3580	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3581	+
3582	+	fs.add(src.thenComposeAsync(z -> null, e));
3583	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3584	+	fs.add(src.handleAsync((z, t) -> null, e));
3585	+
3586	+	for (CompletableFuture<?> future : fs) {
3587	+	if (src.isDone())
3588	+	checkCompletedWithWrappedException(future, e.ex);
3589	+	else
3590	+	checkIncomplete(future);
3591	+	}
3592	+	futures.addAll(fs);
3593	+	}
3594	+
3595	+	{
3596	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3597	+
3598	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3599	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3600	+
3601	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3602	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3603	+
3604	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3605	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3606	+
3607	+	for (CompletableFuture<?> future : fs)
3608	+	checkIncomplete(future);
3609	+	futures.addAll(fs);
3610	+	}
3611	+
3612	+	{
3613	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3614	+
3615	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3616	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3617	+
3618	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3619	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3620	+
3621	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3622	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3623	+
3624	+	for (CompletableFuture<?> future : fs)
3625	+	checkCompletedWithWrappedException(future, e.ex);
3626	+	futures.addAll(fs);
3627	+	}
3628	+
3629	+	incomplete.complete(v);
3630	+
3631	+	for (CompletableFuture<?> future : futures)
3632	+	checkCompletedWithWrappedException(future, e.ex);
3633	+
3634	+	assertEquals(futures.size(), e.count.get());
3635	+	}}
3636	+
3637	+	/**
3638	+	* Test submissions to an executor that rejects all tasks, but
3639	+	* should never be invoked because the dependent future is
3640	+	* explicitly completed.
3641	+	*/
3642	+	public void testRejectingExecutorNeverInvoked() {
3643	+	for (Integer v : new Integer[] { 1, null })
3644	+	{
3645	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3646	+
3647	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3648	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3649	+
3650	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3651	+
3652	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3653	+	srcs.add(complete);
3654	+	srcs.add(incomplete);
3655	+
3656	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3657	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3658	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3659	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3660	+
3661	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3662	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3663	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3664	+
3665	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3666	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3667	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3668	+
3669	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3670	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3671	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3672	+
3673	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3674	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3675	+
3676	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3677	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3678	+
3679	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3680	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3681	+
3682	+	for (CompletableFuture<?> future : fs)
3683	+	checkIncomplete(future);
3684	+
3685	+	for (CompletableFuture<?> future : fs)
3686	+	future.complete(null);
3687	+
3688	+	incomplete.complete(v);
3689	+
3690	+	for (CompletableFuture<?> future : fs)
3691	+	checkCompletedNormally(future, null);
3692	+
3693	+	assertEquals(0, e.count.get());
3694	+	}}
3695	+
3696	+	/**
3697		* toCompletableFuture returns this CompletableFuture.
3698		*/
3699		public void testToCompletableFuture() {
#	Line 2811 | Line 3701 | public class CompletableFutureTest exten
3701		assertSame(f, f.toCompletableFuture());
3702		}
3703
3704	+	// jdk9
3705	+
3706		/**
3707	<	* whenComplete action executes on normal completion, propagating
2816	<	* source result.
3707	>	* newIncompleteFuture returns an incomplete CompletableFuture
3708		*/
3709	<	public void testWhenComplete_normalCompletion1() {
3710	<	for (ExecutionMode m : ExecutionMode.values())
3709	>	public void testNewIncompleteFuture() {
3710	>	for (Integer v1 : new Integer[] { 1, null })
3711	>	{
3712	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3713	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3714	>	checkIncomplete(f);
3715	>	checkIncomplete(g);
3716	>	f.complete(v1);
3717	>	checkCompletedNormally(f, v1);
3718	>	checkIncomplete(g);
3719	>	g.complete(v1);
3720	>	checkCompletedNormally(g, v1);
3721	>	assertSame(g.getClass(), CompletableFuture.class);
3722	>	}}
3723	>
3724	>	/**
3725	>	* completedStage returns a completed CompletionStage
3726	>	*/
3727	>	public void testCompletedStage() {
3728	>	AtomicInteger x = new AtomicInteger(0);
3729	>	AtomicReference<Throwable> r = new AtomicReference<>();
3730	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3731	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3732	>	assertEquals(x.get(), 1);
3733	>	assertNull(r.get());
3734	>	}
3735	>
3736	>	/**
3737	>	* defaultExecutor by default returns the commonPool if
3738	>	* it supports more than one thread.
3739	>	*/
3740	>	public void testDefaultExecutor() {
3741	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3742	>	Executor e = f.defaultExecutor();
3743	>	Executor c = ForkJoinPool.commonPool();
3744	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3745	>	assertSame(e, c);
3746	>	else
3747	>	assertNotSame(e, c);
3748	>	}
3749	>
3750	>	/**
3751	>	* failedFuture returns a CompletableFuture completed
3752	>	* exceptionally with the given Exception
3753	>	*/
3754	>	public void testFailedFuture() {
3755	>	CFException ex = new CFException();
3756	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3757	>	checkCompletedExceptionally(f, ex);
3758	>	}
3759	>
3760	>	/**
3761	>	* failedFuture(null) throws NPE
3762	>	*/
3763	>	public void testFailedFuture_null() {
3764	>	try {
3765	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3766	>	shouldThrow();
3767	>	} catch (NullPointerException success) {}
3768	>	}
3769	>
3770	>	/**
3771	>	* copy returns a CompletableFuture that is completed normally,
3772	>	* with the same value, when source is.
3773	>	*/
3774	>	public void testCopy_normalCompletion() {
3775		for (boolean createIncomplete : new boolean[] { true, false })
3776		for (Integer v1 : new Integer[] { 1, null })
3777		{
3778	<	final AtomicInteger a = new AtomicInteger(0);
3779	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3780	<	if (!createIncomplete) f.complete(v1);
3781	<	final CompletableFuture<Integer> g = m.whenComplete
3782	<	(f,
3783	<	(Integer x, Throwable t) -> {
3784	<	threadAssertSame(x, v1);
3785	<	threadAssertNull(t);
3786	<	a.getAndIncrement();
3787	<	});
3788	<	if (createIncomplete) f.complete(v1);
3778	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3779	>	if (!createIncomplete) assertTrue(f.complete(v1));
3780	>	CompletableFuture<Integer> g = f.copy();
3781	>	if (createIncomplete) {
3782	>	checkIncomplete(f);
3783	>	checkIncomplete(g);
3784	>	assertTrue(f.complete(v1));
3785	>	}
3786	>	checkCompletedNormally(f, v1);
3787	>	checkCompletedNormally(g, v1);
3788	>	}}
3789	>
3790	>	/**
3791	>	* copy returns a CompletableFuture that is completed exceptionally
3792	>	* when source is.
3793	>	*/
3794	>	public void testCopy_exceptionalCompletion() {
3795	>	for (boolean createIncomplete : new boolean[] { true, false })
3796	>	{
3797	>	CFException ex = new CFException();
3798	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3799	>	if (!createIncomplete) f.completeExceptionally(ex);
3800	>	CompletableFuture<Integer> g = f.copy();
3801	>	if (createIncomplete) {
3802	>	checkIncomplete(f);
3803	>	checkIncomplete(g);
3804	>	f.completeExceptionally(ex);
3805	>	}
3806	>	checkCompletedExceptionally(f, ex);
3807	>	checkCompletedWithWrappedException(g, ex);
3808	>	}}
3809	>
3810	>	/**
3811	>	* Completion of a copy does not complete its source.
3812	>	*/
3813	>	public void testCopy_oneWayPropagation() {
3814	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3815	>	assertTrue(f.copy().complete(1));
3816	>	assertTrue(f.copy().complete(null));
3817	>	assertTrue(f.copy().cancel(true));
3818	>	assertTrue(f.copy().cancel(false));
3819	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3820	>	checkIncomplete(f);
3821	>	}
3822	>
3823	>	/**
3824	>	* minimalCompletionStage returns a CompletableFuture that is
3825	>	* completed normally, with the same value, when source is.
3826	>	*/
3827	>	public void testMinimalCompletionStage() {
3828	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3829	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3830	>	AtomicInteger x = new AtomicInteger(0);
3831	>	AtomicReference<Throwable> r = new AtomicReference<>();
3832	>	checkIncomplete(f);
3833	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3834	>	f.complete(1);
3835	>	checkCompletedNormally(f, 1);
3836	>	assertEquals(x.get(), 1);
3837	>	assertNull(r.get());
3838	>	}
3839
3840	+	/**
3841	+	* minimalCompletionStage returns a CompletableFuture that is
3842	+	* completed exceptionally when source is.
3843	+	*/
3844	+	public void testMinimalCompletionStage2() {
3845	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3846	+	CompletionStage<Integer> g = f.minimalCompletionStage();
3847	+	AtomicInteger x = new AtomicInteger(0);
3848	+	AtomicReference<Throwable> r = new AtomicReference<>();
3849	+	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3850	+	checkIncomplete(f);
3851	+	CFException ex = new CFException();
3852	+	f.completeExceptionally(ex);
3853	+	checkCompletedExceptionally(f, ex);
3854	+	assertEquals(x.get(), 0);
3855	+	assertEquals(r.get().getCause(), ex);
3856	+	}
3857	+
3858	+	/**
3859	+	* failedStage returns a CompletionStage completed
3860	+	* exceptionally with the given Exception
3861	+	*/
3862	+	public void testFailedStage() {
3863	+	CFException ex = new CFException();
3864	+	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3865	+	AtomicInteger x = new AtomicInteger(0);
3866	+	AtomicReference<Throwable> r = new AtomicReference<>();
3867	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3868	+	assertEquals(x.get(), 0);
3869	+	assertEquals(r.get(), ex);
3870	+	}
3871	+
3872	+	/**
3873	+	* completeAsync completes with value of given supplier
3874	+	*/
3875	+	public void testCompleteAsync() {
3876	+	for (Integer v1 : new Integer[] { 1, null })
3877	+	{
3878	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3879	+	f.completeAsync(() -> v1);
3880	+	f.join();
3881	+	checkCompletedNormally(f, v1);
3882	+	}}
3883	+
3884	+	/**
3885	+	* completeAsync completes exceptionally if given supplier throws
3886	+	*/
3887	+	public void testCompleteAsync2() {
3888	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3889	+	CFException ex = new CFException();
3890	+	f.completeAsync(() -> { throw ex; });
3891	+	try {
3892	+	f.join();
3893	+	shouldThrow();
3894	+	} catch (CompletionException success) {}
3895	+	checkCompletedWithWrappedException(f, ex);
3896	+	}
3897	+
3898	+	/**
3899	+	* completeAsync with given executor completes with value of given supplier
3900	+	*/
3901	+	public void testCompleteAsync3() {
3902	+	for (Integer v1 : new Integer[] { 1, null })
3903	+	{
3904	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3905	+	ThreadExecutor executor = new ThreadExecutor();
3906	+	f.completeAsync(() -> v1, executor);
3907	+	assertSame(v1, f.join());
3908	+	checkCompletedNormally(f, v1);
3909	+	assertEquals(1, executor.count.get());
3910	+	}}
3911	+
3912	+	/**
3913	+	* completeAsync with given executor completes exceptionally if
3914	+	* given supplier throws
3915	+	*/
3916	+	public void testCompleteAsync4() {
3917	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3918	+	CFException ex = new CFException();
3919	+	ThreadExecutor executor = new ThreadExecutor();
3920	+	f.completeAsync(() -> { throw ex; }, executor);
3921	+	try {
3922	+	f.join();
3923	+	shouldThrow();
3924	+	} catch (CompletionException success) {}
3925	+	checkCompletedWithWrappedException(f, ex);
3926	+	assertEquals(1, executor.count.get());
3927	+	}
3928	+
3929	+	/**
3930	+	* orTimeout completes with TimeoutException if not complete
3931	+	*/
3932	+	public void testOrTimeout_timesOut() {
3933	+	long timeoutMillis = timeoutMillis();
3934	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3935	+	long startTime = System.nanoTime();
3936	+	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3937	+	checkCompletedWithTimeoutException(f);
3938	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3939	+	}
3940	+
3941	+	/**
3942	+	* orTimeout completes normally if completed before timeout
3943	+	*/
3944	+	public void testOrTimeout_completed() {
3945	+	for (Integer v1 : new Integer[] { 1, null })
3946	+	{
3947	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3948	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3949	+	long startTime = System.nanoTime();
3950	+	f.complete(v1);
3951	+	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3952	+	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3953	+	g.complete(v1);
3954	+	checkCompletedNormally(f, v1);
3955		checkCompletedNormally(g, v1);
3956	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3957	+	}}
3958	+
3959	+	/**
3960	+	* completeOnTimeout completes with given value if not complete
3961	+	*/
3962	+	public void testCompleteOnTimeout_timesOut() {
3963	+	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3964	+	() -> testCompleteOnTimeout_timesOut(null));
3965	+	}
3966	+
3967	+	/**
3968	+	* completeOnTimeout completes with given value if not complete
3969	+	*/
3970	+	public void testCompleteOnTimeout_timesOut(Integer v) {
3971	+	long timeoutMillis = timeoutMillis();
3972	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3973	+	long startTime = System.nanoTime();
3974	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3975	+	assertSame(v, f.join());
3976	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3977	+	f.complete(99);         // should have no effect
3978	+	checkCompletedNormally(f, v);
3979	+	}
3980	+
3981	+	/**
3982	+	* completeOnTimeout has no effect if completed within timeout
3983	+	*/
3984	+	public void testCompleteOnTimeout_completed() {
3985	+	for (Integer v1 : new Integer[] { 1, null })
3986	+	{
3987	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3988	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3989	+	long startTime = System.nanoTime();
3990	+	f.complete(v1);
3991	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3992	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3993	+	g.complete(v1);
3994		checkCompletedNormally(f, v1);
3995	<	assertEquals(1, a.get());
3995	>	checkCompletedNormally(g, v1);
3996	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3997		}}
3998
3999		/**
4000	<	* whenComplete action executes on exceptional completion, propagating
2842	<	* source result.
4000	>	* delayedExecutor returns an executor that delays submission
4001		*/
4002	<	public void testWhenComplete_exceptionalCompletion() {
4002	>	public void testDelayedExecutor() {
4003	>	testInParallel(() -> testDelayedExecutor(null, null),
4004	>	() -> testDelayedExecutor(null, 1),
4005	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
4006	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
4007	>	}
4008	>
4009	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
4010	>	long timeoutMillis = timeoutMillis();
4011	>	// Use an "unreasonably long" long timeout to catch lingering threads
4012	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
4013	>	final Executor delayer, longDelayer;
4014	>	if (executor == null) {
4015	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
4016	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
4017	>	} else {
4018	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
4019	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
4020	>	}
4021	>	long startTime = System.nanoTime();
4022	>	CompletableFuture<Integer> f =
4023	>	CompletableFuture.supplyAsync(() -> v, delayer);
4024	>	CompletableFuture<Integer> g =
4025	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
4026	>
4027	>	assertNull(g.getNow(null));
4028	>
4029	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
4030	>	long millisElapsed = millisElapsedSince(startTime);
4031	>	assertTrue(millisElapsed >= timeoutMillis);
4032	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
4033	>
4034	>	checkCompletedNormally(f, v);
4035	>
4036	>	checkIncomplete(g);
4037	>	assertTrue(g.cancel(true));
4038	>	}
4039	>
4040	>	//--- tests of implementation details; not part of official tck ---
4041	>
4042	>	Object resultOf(CompletableFuture<?> f) {
4043	>	SecurityManager sm = System.getSecurityManager();
4044	>	if (sm != null) {
4045	>	try {
4046	>	System.setSecurityManager(null);
4047	>	} catch (SecurityException giveUp) {
4048	>	return "Reflection not available";
4049	>	}
4050	>	}
4051	>
4052	>	try {
4053	>	java.lang.reflect.Field resultField
4054	>	= CompletableFuture.class.getDeclaredField("result");
4055	>	resultField.setAccessible(true);
4056	>	return resultField.get(f);
4057	>	} catch (Throwable t) {
4058	>	throw new AssertionError(t);
4059	>	} finally {
4060	>	if (sm != null) System.setSecurityManager(sm);
4061	>	}
4062	>	}
4063	>
4064	>	public void testExceptionPropagationReusesResultObject() {
4065	>	if (!testImplementationDetails) return;
4066		for (ExecutionMode m : ExecutionMode.values())
4067	+	{
4068	+	final CFException ex = new CFException();
4069	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4070	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4071	+
4072	+	final Runnable noopRunnable = new Noop(m);
4073	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4074	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
4075	+
4076	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4077	+	= new ArrayList<>();
4078	+
4079	+	funs.add(y -> m.thenRun(y, noopRunnable));
4080	+	funs.add(y -> m.thenAccept(y, noopConsumer));
4081	+	funs.add(y -> m.thenApply(y, incFunction));
4082	+
4083	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4084	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4085	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4086	+
4087	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4088	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4089	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4090	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4091	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4092	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4093	+
4094	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4095	+
4096	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4097	+
4098	+	funs.add(y -> CompletableFuture.allOf(y));
4099	+	funs.add(y -> CompletableFuture.allOf(y, v42));
4100	+	funs.add(y -> CompletableFuture.allOf(v42, y));
4101	+	funs.add(y -> CompletableFuture.anyOf(y));
4102	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4103	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4104	+
4105	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4106	+	fun : funs) {
4107	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4108	+	f.completeExceptionally(ex);
4109	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4110	+	checkCompletedWithWrappedException(src, ex);
4111	+	CompletableFuture<?> dep = fun.apply(src);
4112	+	checkCompletedWithWrappedException(dep, ex);
4113	+	assertSame(resultOf(src), resultOf(dep));
4114	+	}
4115	+
4116	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4117	+	fun : funs) {
4118	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4119	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4120	+	CompletableFuture<?> dep = fun.apply(src);
4121	+	f.completeExceptionally(ex);
4122	+	checkCompletedWithWrappedException(src, ex);
4123	+	checkCompletedWithWrappedException(dep, ex);
4124	+	assertSame(resultOf(src), resultOf(dep));
4125	+	}
4126	+
4127	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4128	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4129	+	fun : funs) {
4130	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4131	+	f.cancel(mayInterruptIfRunning);
4132	+	checkCancelled(f);
4133	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4134	+	checkCompletedWithWrappedCancellationException(src);
4135	+	CompletableFuture<?> dep = fun.apply(src);
4136	+	checkCompletedWithWrappedCancellationException(dep);
4137	+	assertSame(resultOf(src), resultOf(dep));
4138	+	}
4139	+
4140	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4141	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4142	+	fun : funs) {
4143	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4144	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4145	+	CompletableFuture<?> dep = fun.apply(src);
4146	+	f.cancel(mayInterruptIfRunning);
4147	+	checkCancelled(f);
4148	+	checkCompletedWithWrappedCancellationException(src);
4149	+	checkCompletedWithWrappedCancellationException(dep);
4150	+	assertSame(resultOf(src), resultOf(dep));
4151	+	}
4152	+	}}
4153	+
4154	+	/**
4155	+	* Minimal completion stages throw UOE for most non-CompletionStage methods
4156	+	*/
4157	+	public void testMinimalCompletionStage_minimality() {
4158	+	if (!testImplementationDetails) return;
4159	+	Function<Method, String> toSignature =
4160	+	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4161	+	Predicate<Method> isNotStatic =
4162	+	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4163	+	List<Method> minimalMethods =
4164	+	Stream.of(Object.class, CompletionStage.class)
4165	+	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4166	+	.filter(isNotStatic)
4167	+	.collect(Collectors.toList());
4168	+	// Methods from CompletableFuture permitted NOT to throw UOE
4169	+	String[] signatureWhitelist = {
4170	+	"newIncompleteFuture[]",
4171	+	"defaultExecutor[]",
4172	+	"minimalCompletionStage[]",
4173	+	"copy[]",
4174	+	};
4175	+	Set<String> permittedMethodSignatures =
4176	+	Stream.concat(minimalMethods.stream().map(toSignature),
4177	+	Stream.of(signatureWhitelist))
4178	+	.collect(Collectors.toSet());
4179	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4180	+	.filter(isNotStatic)
4181	+	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4182	+	.collect(Collectors.toList());
4183	+
4184	+	List<CompletionStage<Integer>> stages = new ArrayList<>();
4185	+	CompletionStage<Integer> min =
4186	+	new CompletableFuture<Integer>().minimalCompletionStage();
4187	+	stages.add(min);
4188	+	stages.add(min.thenApply(x -> x));
4189	+	stages.add(CompletableFuture.completedStage(1));
4190	+	stages.add(CompletableFuture.failedStage(new CFException()));
4191	+
4192	+	List<Method> bugs = new ArrayList<>();
4193	+	for (Method method : allMethods) {
4194	+	Class<?>[] parameterTypes = method.getParameterTypes();
4195	+	Object[] args = new Object[parameterTypes.length];
4196	+	// Manufacture boxed primitives for primitive params
4197	+	for (int i = 0; i < args.length; i++) {
4198	+	Class<?> type = parameterTypes[i];
4199	+	if (parameterTypes[i] == boolean.class)
4200	+	args[i] = false;
4201	+	else if (parameterTypes[i] == int.class)
4202	+	args[i] = 0;
4203	+	else if (parameterTypes[i] == long.class)
4204	+	args[i] = 0L;
4205	+	}
4206	+	for (CompletionStage<Integer> stage : stages) {
4207	+	try {
4208	+	method.invoke(stage, args);
4209	+	bugs.add(method);
4210	+	}
4211	+	catch (java.lang.reflect.InvocationTargetException expected) {
4212	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4213	+	bugs.add(method);
4214	+	// expected.getCause().printStackTrace();
4215	+	}
4216	+	}
4217	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4218	+	}
4219	+	}
4220	+	if (!bugs.isEmpty())
4221	+	throw new Error("Methods did not throw UOE: " + bugs);
4222	+	}
4223	+
4224	+	/**
4225	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4226	+	* is completed normally, with the same value, when source is.
4227	+	*/
4228	+	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4229	+	for (boolean createIncomplete : new boolean[] { true, false })
4230	+	for (Integer v1 : new Integer[] { 1, null })
4231	+	{
4232	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4233	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4234	+	if (!createIncomplete) assertTrue(f.complete(v1));
4235	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4236	+	if (createIncomplete) {
4237	+	checkIncomplete(f);
4238	+	checkIncomplete(g);
4239	+	assertTrue(f.complete(v1));
4240	+	}
4241	+	checkCompletedNormally(f, v1);
4242	+	checkCompletedNormally(g, v1);
4243	+	}}
4244	+
4245	+	/**
4246	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4247	+	* is completed exceptionally when source is.
4248	+	*/
4249	+	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4250	+	for (boolean createIncomplete : new boolean[] { true, false })
4251	+	{
4252	+	CFException ex = new CFException();
4253	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4254	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4255	+	if (!createIncomplete) f.completeExceptionally(ex);
4256	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4257	+	if (createIncomplete) {
4258	+	checkIncomplete(f);
4259	+	checkIncomplete(g);
4260	+	f.completeExceptionally(ex);
4261	+	}
4262	+	checkCompletedExceptionally(f, ex);
4263	+	checkCompletedWithWrappedException(g, ex);
4264	+	}}
4265	+
4266	+	/**
4267	+	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4268	+	*/
4269	+	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4270	+	for (Integer v1 : new Integer[] { 1, null })
4271	+	{
4272	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4273	+	CompletionStage minimal = f.minimalCompletionStage();
4274	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4275	+	assertTrue(g.complete(v1));
4276	+	checkCompletedNormally(g, v1);
4277	+	checkIncomplete(f);
4278	+	checkIncomplete(minimal.toCompletableFuture());
4279	+	}}
4280	+
4281	+	/**
4282	+	* minimalStage.toCompletableFuture().join() awaits completion
4283	+	*/
4284	+	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4285	+	for (boolean createIncomplete : new boolean[] { true, false })
4286	+	for (Integer v1 : new Integer[] { 1, null })
4287	+	{
4288	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4289	+	if (!createIncomplete) assertTrue(f.complete(v1));
4290	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4291	+	if (createIncomplete) assertTrue(f.complete(v1));
4292	+	assertEquals(v1, minimal.toCompletableFuture().join());
4293	+	assertEquals(v1, minimal.toCompletableFuture().get());
4294	+	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4295	+	}}
4296	+
4297	+	/**
4298	+	* Completion of a toCompletableFuture copy of a minimal stage
4299	+	* does not complete its source.
4300	+	*/
4301	+	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4302	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4303	+	CompletionStage<Integer> g = f.minimalCompletionStage();
4304	+	assertTrue(g.toCompletableFuture().complete(1));
4305	+	assertTrue(g.toCompletableFuture().complete(null));
4306	+	assertTrue(g.toCompletableFuture().cancel(true));
4307	+	assertTrue(g.toCompletableFuture().cancel(false));
4308	+	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4309	+	checkIncomplete(g.toCompletableFuture());
4310	+	f.complete(1);
4311	+	checkCompletedNormally(g.toCompletableFuture(), 1);
4312	+	}
4313	+
4314	+	/** Demo utility method for external reliable toCompletableFuture */
4315	+	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4316	+	CompletableFuture<T> f = new CompletableFuture<>();
4317	+	stage.handle((T t, Throwable ex) -> {
4318	+	if (ex != null) f.completeExceptionally(ex);
4319	+	else f.complete(t);
4320	+	return null;
4321	+	});
4322	+	return f;
4323	+	}
4324	+
4325	+	/** Demo utility method to join a CompletionStage */
4326	+	static <T> T join(CompletionStage<T> stage) {
4327	+	return toCompletableFuture(stage).join();
4328	+	}
4329	+
4330	+	/**
4331	+	* Joining a minimal stage "by hand" works
4332	+	*/
4333	+	public void testMinimalCompletionStage_join_by_hand() {
4334	+	for (boolean createIncomplete : new boolean[] { true, false })
4335	+	for (Integer v1 : new Integer[] { 1, null })
4336	+	{
4337	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4338	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4339	+	CompletableFuture<Integer> g = new CompletableFuture<>();
4340	+	if (!createIncomplete) assertTrue(f.complete(v1));
4341	+	minimal.thenAccept(x -> g.complete(x));
4342	+	if (createIncomplete) assertTrue(f.complete(v1));
4343	+	g.join();
4344	+	checkCompletedNormally(g, v1);
4345	+	checkCompletedNormally(f, v1);
4346	+	assertEquals(v1, join(minimal));
4347	+	}}
4348	+
4349	+	static class Monad {
4350	+	static class ZeroException extends RuntimeException {
4351	+	public ZeroException() { super("monadic zero"); }
4352	+	}
4353	+	// "return", "unit"
4354	+	static <T> CompletableFuture<T> unit(T value) {
4355	+	return completedFuture(value);
4356	+	}
4357	+	// monadic zero ?
4358	+	static <T> CompletableFuture<T> zero() {
4359	+	return failedFuture(new ZeroException());
4360	+	}
4361	+	// >=>
4362	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4363	+	(Function<T, CompletableFuture<U>> f,
4364	+	Function<U, CompletableFuture<V>> g) {
4365	+	return x -> f.apply(x).thenCompose(g);
4366	+	}
4367	+
4368	+	static void assertZero(CompletableFuture<?> f) {
4369	+	try {
4370	+	f.getNow(null);
4371	+	throw new AssertionError("should throw");
4372	+	} catch (CompletionException success) {
4373	+	assertTrue(success.getCause() instanceof ZeroException);
4374	+	}
4375	+	}
4376	+
4377	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4378	+	CompletableFuture<T> g) {
4379	+	T fval = null, gval = null;
4380	+	Throwable fex = null, gex = null;
4381	+
4382	+	try { fval = f.get(); }
4383	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4384	+	catch (Throwable ex) { fex = ex; }
4385	+
4386	+	try { gval = g.get(); }
4387	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4388	+	catch (Throwable ex) { gex = ex; }
4389	+
4390	+	if (fex != null || gex != null)
4391	+	assertSame(fex.getClass(), gex.getClass());
4392	+	else
4393	+	assertEquals(fval, gval);
4394	+	}
4395	+
4396	+	static class PlusFuture<T> extends CompletableFuture<T> {
4397	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4398	+	}
4399	+
4400	+	/** Implements "monadic plus". */
4401	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4402	+	CompletableFuture<? extends T> g) {
4403	+	PlusFuture<T> plus = new PlusFuture<T>();
4404	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4405	+	try {
4406	+	if (ex == null) {
4407	+	if (plus.complete(result))
4408	+	if (plus.firstFailure.get() != null)
4409	+	plus.firstFailure.set(null);
4410	+	}
4411	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4412	+	if (plus.isDone())
4413	+	plus.firstFailure.set(null);
4414	+	}
4415	+	else {
4416	+	// first failure has precedence
4417	+	Throwable first = plus.firstFailure.getAndSet(null);
4418	+
4419	+	// may fail with "Self-suppression not permitted"
4420	+	try { first.addSuppressed(ex); }
4421	+	catch (Exception ignored) {}
4422	+
4423	+	plus.completeExceptionally(first);
4424	+	}
4425	+	} catch (Throwable unexpected) {
4426	+	plus.completeExceptionally(unexpected);
4427	+	}
4428	+	};
4429	+	f.whenComplete(action);
4430	+	g.whenComplete(action);
4431	+	return plus;
4432	+	}
4433	+	}
4434	+
4435	+	/**
4436	+	* CompletableFuture is an additive monad - sort of.
4437	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4438	+	*/
4439	+	public void testAdditiveMonad() throws Throwable {
4440	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4441	+	CompletableFuture<Long> zero = Monad.zero();
4442	+
4443	+	// Some mutually non-commutative functions
4444	+	Function<Long, CompletableFuture<Long>> triple
4445	+	= x -> Monad.unit(3 * x);
4446	+	Function<Long, CompletableFuture<Long>> inc
4447	+	= x -> Monad.unit(x + 1);
4448	+
4449	+	// unit is a right identity: m >>= unit === m
4450	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4451	+	inc.apply(5L));
4452	+	// unit is a left identity: (unit x) >>= f === f x
4453	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4454	+	inc.apply(5L));
4455	+
4456	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4457	+	Monad.assertFutureEquals(
4458	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4459	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4460	+
4461	+	// The case for CompletableFuture as an additive monad is weaker...
4462	+
4463	+	// zero is a monadic zero
4464	+	Monad.assertZero(zero);
4465	+
4466	+	// left zero: zero >>= f === zero
4467	+	Monad.assertZero(zero.thenCompose(inc));
4468	+	// right zero: f >>= (\x -> zero) === zero
4469	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4470	+
4471	+	// f plus zero === f
4472	+	Monad.assertFutureEquals(Monad.unit(5L),
4473	+	Monad.plus(Monad.unit(5L), zero));
4474	+	// zero plus f === f
4475	+	Monad.assertFutureEquals(Monad.unit(5L),
4476	+	Monad.plus(zero, Monad.unit(5L)));
4477	+	// zero plus zero === zero
4478	+	Monad.assertZero(Monad.plus(zero, zero));
4479	+	{
4480	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4481	+	Monad.unit(8L));
4482	+	// non-determinism
4483	+	assertTrue(f.get() == 5L || f.get() == 8L);
4484	+	}
4485	+
4486	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4487	+	// f plus godot === f (doesn't wait for godot)
4488	+	Monad.assertFutureEquals(Monad.unit(5L),
4489	+	Monad.plus(Monad.unit(5L), godot));
4490	+	// godot plus f === f (doesn't wait for godot)
4491	+	Monad.assertFutureEquals(Monad.unit(5L),
4492	+	Monad.plus(godot, Monad.unit(5L)));
4493	+	}
4494	+
4495	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4496	+	@SuppressWarnings("FutureReturnValueIgnored")
4497	+	public void testRecursiveChains() throws Throwable {
4498	+	for (ExecutionMode m : ExecutionMode.values())
4499	+	for (boolean addDeadEnds : new boolean[] { true, false })
4500	+	{
4501	+	final int val = 42;
4502	+	final int n = expensiveTests ? 1_000 : 2;
4503	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4504	+	CompletableFuture<Integer> tail = head;
4505	+	for (int i = 0; i < n; i++) {
4506	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4507	+	tail = m.thenApply(tail, v -> v + 1);
4508	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4509	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4510	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4511	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4512	+	}
4513	+	head.complete(val);
4514	+	assertEquals(val + 3 * n, (int) tail.join());
4515	+	}}
4516	+
4517	+	/**
4518	+	* A single CompletableFuture with many dependents.
4519	+	* A demo of scalability - runtime is O(n).
4520	+	*/
4521	+	@SuppressWarnings("FutureReturnValueIgnored")
4522	+	public void testManyDependents() throws Throwable {
4523	+	final int n = expensiveTests ? 1_000_000 : 10;
4524	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4525	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4526	+	final AtomicInteger count = new AtomicInteger(0);
4527	+	for (int i = 0; i < n; i++) {
4528	+	head.thenRun(() -> count.getAndIncrement());
4529	+	head.thenAccept(x -> count.getAndIncrement());
4530	+	head.thenApply(x -> count.getAndIncrement());
4531	+
4532	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4533	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4534	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4535	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4536	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4537	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4538	+
4539	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4540	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4541	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4542	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4543	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4544	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4545	+	}
4546	+	head.complete(null);
4547	+	assertEquals(5 * 3 * n, count.get());
4548	+	}
4549	+
4550	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4551	+	@SuppressWarnings("FutureReturnValueIgnored")
4552	+	public void testCoCompletionGarbageRetention() throws Throwable {
4553	+	final int n = expensiveTests ? 1_000_000 : 10;
4554	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4555	+	CompletableFuture<Integer> f;
4556	+	for (int i = 0; i < n; i++) {
4557	+	f = new CompletableFuture<>();
4558	+	f.runAfterEither(incomplete, () -> {});
4559	+	f.complete(null);
4560	+
4561	+	f = new CompletableFuture<>();
4562	+	f.acceptEither(incomplete, x -> {});
4563	+	f.complete(null);
4564	+
4565	+	f = new CompletableFuture<>();
4566	+	f.applyToEither(incomplete, x -> x);
4567	+	f.complete(null);
4568	+
4569	+	f = new CompletableFuture<>();
4570	+	CompletableFuture.anyOf(f, incomplete);
4571	+	f.complete(null);
4572	+	}
4573	+
4574	+	for (int i = 0; i < n; i++) {
4575	+	f = new CompletableFuture<>();
4576	+	incomplete.runAfterEither(f, () -> {});
4577	+	f.complete(null);
4578	+
4579	+	f = new CompletableFuture<>();
4580	+	incomplete.acceptEither(f, x -> {});
4581	+	f.complete(null);
4582	+
4583	+	f = new CompletableFuture<>();
4584	+	incomplete.applyToEither(f, x -> x);
4585	+	f.complete(null);
4586	+
4587	+	f = new CompletableFuture<>();
4588	+	CompletableFuture.anyOf(incomplete, f);
4589	+	f.complete(null);
4590	+	}
4591	+	}
4592	+
4593	+	/**
4594	+	* Reproduction recipe for:
4595	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4596	+	* 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
4597	+	*/
4598	+	public void testAnyOfGarbageRetention() throws Throwable {
4599	+	for (Integer v : new Integer[] { 1, null })
4600	+	{
4601	+	final int n = expensiveTests ? 100_000 : 10;
4602	+	CompletableFuture<Integer>[] fs
4603	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4604	+	for (int i = 0; i < fs.length; i++)
4605	+	fs[i] = new CompletableFuture<>();
4606	+	fs[fs.length - 1].complete(v);
4607	+	for (int i = 0; i < n; i++)
4608	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4609	+	}}
4610	+
4611	+	/**
4612	+	* Checks for garbage retention with allOf.
4613	+	*
4614	+	* As of 2016-07, fails with OOME:
4615	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4616	+	*/
4617	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4618	+	final int n = expensiveTests ? 100_000 : 10;
4619	+	CompletableFuture<Integer>[] fs
4620	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4621	+	for (int i = 0; i < fs.length; i++)
4622	+	fs[i] = new CompletableFuture<>();
4623	+	for (int i = 0; i < n; i++)
4624	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4625	+	}
4626	+
4627	+	/**
4628	+	* Checks for garbage retention when a dependent future is
4629	+	* cancelled and garbage-collected.
4630	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4631	+	*
4632	+	* As of 2016-07, fails with OOME:
4633	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4634	+	*/
4635	+	public void testCancelledGarbageRetention() throws Throwable {
4636	+	final int n = expensiveTests ? 100_000 : 10;
4637	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4638	+	for (int i = 0; i < n; i++)
4639	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4640	+	}
4641	+
4642	+	/**
4643	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4644	+	* is invoked many times.
4645	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4646	+	*
4647	+	* As of 2016-07, fails with OOME:
4648	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4649	+	*/
4650	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4651	+	final int n = expensiveTests ? 900_000 : 10;
4652	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4653	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4654	+	for (int i = 0; i < n; i++)
4655	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4656	+	}
4657	+
4658	+	//     static <U> U join(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.join();
4664	+	//     }
4665	+
4666	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4667	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4668	+	//         stage.whenComplete((v, ex) -> {
4669	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4670	+	//         });
4671	+	//         return f.isDone();
4672	+	//     }
4673	+
4674	+	//     static <U> U join2(CompletionStage<U> stage) {
4675	+	//         return stage.toCompletableFuture().copy().join();
4676	+	//     }
4677	+
4678	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4679	+	//         return stage.toCompletableFuture().copy().isDone();
4680	+	//     }
4681	+
4682	+	// For testing default implementations
4683	+	// Only non-default interface methods defined.
4684	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4685	+	final CompletableFuture<T> cf;
4686	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4687	+	public CompletableFuture<T> toCompletableFuture() {
4688	+	return cf; }
4689	+	public CompletionStage<Void> thenRun
4690	+	(Runnable action) {
4691	+	return cf.thenRun(action); }
4692	+	public CompletionStage<Void> thenRunAsync
4693	+	(Runnable action) {
4694	+	return cf.thenRunAsync(action); }
4695	+	public CompletionStage<Void> thenRunAsync
4696	+	(Runnable action,
4697	+	Executor executor) {
4698	+	return cf.thenRunAsync(action, executor); }
4699	+	public CompletionStage<Void> thenAccept
4700	+	(Consumer<? super T> action) {
4701	+	return cf.thenAccept(action); }
4702	+	public CompletionStage<Void> thenAcceptAsync
4703	+	(Consumer<? super T> action) {
4704	+	return cf.thenAcceptAsync(action); }
4705	+	public CompletionStage<Void> thenAcceptAsync
4706	+	(Consumer<? super T> action,
4707	+	Executor executor) {
4708	+	return cf.thenAcceptAsync(action, executor); }
4709	+	public <U> CompletionStage<U> thenApply
4710	+	(Function<? super T,? extends U> a) {
4711	+	return cf.thenApply(a); }
4712	+	public <U> CompletionStage<U> thenApplyAsync
4713	+	(Function<? super T,? extends U> fn) {
4714	+	return cf.thenApplyAsync(fn); }
4715	+	public <U> CompletionStage<U> thenApplyAsync
4716	+	(Function<? super T,? extends U> fn,
4717	+	Executor executor) {
4718	+	return cf.thenApplyAsync(fn, executor); }
4719	+	public <U,V> CompletionStage<V> thenCombine
4720	+	(CompletionStage<? extends U> other,
4721	+	BiFunction<? super T,? super U,? extends V> fn) {
4722	+	return cf.thenCombine(other, fn); }
4723	+	public <U,V> CompletionStage<V> thenCombineAsync
4724	+	(CompletionStage<? extends U> other,
4725	+	BiFunction<? super T,? super U,? extends V> fn) {
4726	+	return cf.thenCombineAsync(other, fn); }
4727	+	public <U,V> CompletionStage<V> thenCombineAsync
4728	+	(CompletionStage<? extends U> other,
4729	+	BiFunction<? super T,? super U,? extends V> fn,
4730	+	Executor executor) {
4731	+	return cf.thenCombineAsync(other, fn, executor); }
4732	+	public <U> CompletionStage<Void> thenAcceptBoth
4733	+	(CompletionStage<? extends U> other,
4734	+	BiConsumer<? super T, ? super U> action) {
4735	+	return cf.thenAcceptBoth(other, action); }
4736	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4737	+	(CompletionStage<? extends U> other,
4738	+	BiConsumer<? super T, ? super U> action) {
4739	+	return cf.thenAcceptBothAsync(other, action); }
4740	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4741	+	(CompletionStage<? extends U> other,
4742	+	BiConsumer<? super T, ? super U> action,
4743	+	Executor executor) {
4744	+	return cf.thenAcceptBothAsync(other, action, executor); }
4745	+	public CompletionStage<Void> runAfterBoth
4746	+	(CompletionStage<?> other,
4747	+	Runnable action) {
4748	+	return cf.runAfterBoth(other, action); }
4749	+	public CompletionStage<Void> runAfterBothAsync
4750	+	(CompletionStage<?> other,
4751	+	Runnable action) {
4752	+	return cf.runAfterBothAsync(other, action); }
4753	+	public CompletionStage<Void> runAfterBothAsync
4754	+	(CompletionStage<?> other,
4755	+	Runnable action,
4756	+	Executor executor) {
4757	+	return cf.runAfterBothAsync(other, action, executor); }
4758	+	public <U> CompletionStage<U> applyToEither
4759	+	(CompletionStage<? extends T> other,
4760	+	Function<? super T, U> fn) {
4761	+	return cf.applyToEither(other, fn); }
4762	+	public <U> CompletionStage<U> applyToEitherAsync
4763	+	(CompletionStage<? extends T> other,
4764	+	Function<? super T, U> fn) {
4765	+	return cf.applyToEitherAsync(other, fn); }
4766	+	public <U> CompletionStage<U> applyToEitherAsync
4767	+	(CompletionStage<? extends T> other,
4768	+	Function<? super T, U> fn,
4769	+	Executor executor) {
4770	+	return cf.applyToEitherAsync(other, fn, executor); }
4771	+	public CompletionStage<Void> acceptEither
4772	+	(CompletionStage<? extends T> other,
4773	+	Consumer<? super T> action) {
4774	+	return cf.acceptEither(other, action); }
4775	+	public CompletionStage<Void> acceptEitherAsync
4776	+	(CompletionStage<? extends T> other,
4777	+	Consumer<? super T> action) {
4778	+	return cf.acceptEitherAsync(other, action); }
4779	+	public CompletionStage<Void> acceptEitherAsync
4780	+	(CompletionStage<? extends T> other,
4781	+	Consumer<? super T> action,
4782	+	Executor executor) {
4783	+	return cf.acceptEitherAsync(other, action, executor); }
4784	+	public CompletionStage<Void> runAfterEither
4785	+	(CompletionStage<?> other,
4786	+	Runnable action) {
4787	+	return cf.runAfterEither(other, action); }
4788	+	public CompletionStage<Void> runAfterEitherAsync
4789	+	(CompletionStage<?> other,
4790	+	Runnable action) {
4791	+	return cf.runAfterEitherAsync(other, action); }
4792	+	public CompletionStage<Void> runAfterEitherAsync
4793	+	(CompletionStage<?> other,
4794	+	Runnable action,
4795	+	Executor executor) {
4796	+	return cf.runAfterEitherAsync(other, action, executor); }
4797	+	public <U> CompletionStage<U> thenCompose
4798	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4799	+	return cf.thenCompose(fn); }
4800	+	public <U> CompletionStage<U> thenComposeAsync
4801	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4802	+	return cf.thenComposeAsync(fn); }
4803	+	public <U> CompletionStage<U> thenComposeAsync
4804	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4805	+	Executor executor) {
4806	+	return cf.thenComposeAsync(fn, executor); }
4807	+	public <U> CompletionStage<U> handle
4808	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4809	+	return cf.handle(fn); }
4810	+	public <U> CompletionStage<U> handleAsync
4811	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4812	+	return cf.handleAsync(fn); }
4813	+	public <U> CompletionStage<U> handleAsync
4814	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4815	+	Executor executor) {
4816	+	return cf.handleAsync(fn, executor); }
4817	+	public CompletionStage<T> whenComplete
4818	+	(BiConsumer<? super T, ? super Throwable> action) {
4819	+	return cf.whenComplete(action); }
4820	+	public CompletionStage<T> whenCompleteAsync
4821	+	(BiConsumer<? super T, ? super Throwable> action) {
4822	+	return cf.whenCompleteAsync(action); }
4823	+	public CompletionStage<T> whenCompleteAsync
4824	+	(BiConsumer<? super T, ? super Throwable> action,
4825	+	Executor executor) {
4826	+	return cf.whenCompleteAsync(action, executor); }
4827	+	public CompletionStage<T> exceptionally
4828	+	(Function<Throwable, ? extends T> fn) {
4829	+	return cf.exceptionally(fn); }
4830	+	}
4831	+
4832	+	/**
4833	+	* default-implemented exceptionallyAsync action is not invoked when
4834	+	* source completes normally, and source result is propagated
4835	+	*/
4836	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4837	+	for (boolean createIncomplete : new boolean[] { true, false })
4838	+	for (Integer v1 : new Integer[] { 1, null })
4839	+	{
4840	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4841	+	final DelegatedCompletionStage<Integer> d =
4842	+	new DelegatedCompletionStage<Integer>(f);
4843	+	if (!createIncomplete) assertTrue(f.complete(v1));
4844	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4845	+	((Throwable t) -> {
4846	+	threadFail("should not be called");
4847	+	return null;            // unreached
4848	+	});
4849	+	if (createIncomplete) assertTrue(f.complete(v1));
4850	+
4851	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4852	+	}}
4853	+
4854	+	/**
4855	+	* default-implemented exceptionallyAsync action completes with
4856	+	* function value on source exception
4857	+	*/
4858	+	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4859		for (boolean createIncomplete : new boolean[] { true, false })
4860		for (Integer v1 : new Integer[] { 1, null })
4861		{
4862		final AtomicInteger a = new AtomicInteger(0);
4863		final CFException ex = new CFException();
4864		final CompletableFuture<Integer> f = new CompletableFuture<>();
4865	+	final DelegatedCompletionStage<Integer> d =
4866	+	new DelegatedCompletionStage<Integer>(f);
4867		if (!createIncomplete) f.completeExceptionally(ex);
4868	<	final CompletableFuture<Integer> g = m.whenComplete
4869	<	(f,
2855	<	(Integer x, Throwable t) -> {
2856	<	threadAssertNull(x);
4868	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4869	>	((Throwable t) -> {
4870		threadAssertSame(t, ex);
4871		a.getAndIncrement();
4872	+	return v1;
4873		});
4874		if (createIncomplete) f.completeExceptionally(ex);
4875	<	checkCompletedWithWrappedCFException(f, ex);
4876	<	checkCompletedWithWrappedCFException(g, ex);
4875	>
4876	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4877		assertEquals(1, a.get());
4878		}}
4879
4880		/**
4881	<	* whenComplete action executes on cancelled source, propagating
4882	<	* CancellationException.
4881	>	* Under default implementation, if an "exceptionally action"
4882	>	* throws an exception, it completes exceptionally with that
4883	>	* exception
4884		*/
4885	<	public void testWhenComplete_sourceCancelled() {
2871	<	for (ExecutionMode m : ExecutionMode.values())
2872	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4885	>	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4886		for (boolean createIncomplete : new boolean[] { true, false })
4887		{
4888		final AtomicInteger a = new AtomicInteger(0);
4889	+	final CFException ex1 = new CFException();
4890	+	final CFException ex2 = new CFException();
4891		final CompletableFuture<Integer> f = new CompletableFuture<>();
4892	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4893	<	final CompletableFuture<Integer> g = m.whenComplete
4894	<	(f,
4895	<	(Integer x, Throwable t) -> {
4896	<	threadAssertNull(x);
4897	<	threadAssertTrue(t instanceof CancellationException);
4892	>	final DelegatedCompletionStage<Integer> d =
4893	>	new DelegatedCompletionStage<Integer>(f);
4894	>	if (!createIncomplete) f.completeExceptionally(ex1);
4895	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4896	>	((Throwable t) -> {
4897	>	threadAssertSame(t, ex1);
4898		a.getAndIncrement();
4899	+	throw ex2;
4900		});
4901	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4901	>	if (createIncomplete) f.completeExceptionally(ex1);
4902
4903	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
4904	<	checkCompletedWithWrappedCancellationException(g);
4905	<	checkCancelled(f);
4903	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4904	>	checkCompletedExceptionally(f, ex1);
4905	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4906		assertEquals(1, a.get());
4907		}}
4908
4909		/**
4910	<	* If a whenComplete action throws an exception when triggered by
4911	<	* a normal completion, it completes exceptionally
4910	>	* default exceptionallyCompose result completes normally after normal
4911	>	* completion of source
4912		*/
4913	<	public void testWhenComplete_actionFailed() {
4913	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4914		for (boolean createIncomplete : new boolean[] { true, false })
2899	–	for (ExecutionMode m : ExecutionMode.values())
4915		for (Integer v1 : new Integer[] { 1, null })
4916		{
4917	<	final AtomicInteger a = new AtomicInteger(0);
4917	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4918	>	final ExceptionalCompletableFutureFunction r =
4919	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4920	>	final DelegatedCompletionStage<Integer> d =
4921	>	new DelegatedCompletionStage<Integer>(f);
4922	>	if (!createIncomplete) assertTrue(f.complete(v1));
4923	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4924	>	if (createIncomplete) assertTrue(f.complete(v1));
4925	>
4926	>	checkCompletedNormally(f, v1);
4927	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4928	>	r.assertNotInvoked();
4929	>	}}
4930	>
4931	>	/**
4932	>	* default-implemented exceptionallyCompose result completes
4933	>	* normally after exceptional completion of source
4934	>	*/
4935	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4936	>	for (boolean createIncomplete : new boolean[] { true, false })
4937	>	{
4938		final CFException ex = new CFException();
4939	+	final ExceptionalCompletableFutureFunction r =
4940	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4941		final CompletableFuture<Integer> f = new CompletableFuture<>();
4942	<	if (!createIncomplete) f.complete(v1);
4943	<	final CompletableFuture<Integer> g = m.whenComplete
4944	<	(f,
4945	<	(Integer x, Throwable t) -> {
4946	<	threadAssertSame(x, v1);
4947	<	threadAssertNull(t);
4948	<	a.getAndIncrement();
4949	<	throw ex;
4950	<	});
4951	<	if (createIncomplete) f.complete(v1);
4942	>	final DelegatedCompletionStage<Integer> d =
4943	>	new DelegatedCompletionStage<Integer>(f);
4944	>	if (!createIncomplete) f.completeExceptionally(ex);
4945	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4946	>	if (createIncomplete) f.completeExceptionally(ex);
4947	>
4948	>	checkCompletedExceptionally(f, ex);
4949	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4950	>	r.assertInvoked();
4951	>	}}
4952	>
4953	>	/**
4954	>	* default-implemented exceptionallyCompose completes
4955	>	* exceptionally on exception if action does
4956	>	*/
4957	>	public void testDefaultExceptionallyCompose_actionFailed() {
4958	>	for (boolean createIncomplete : new boolean[] { true, false })
4959	>	for (Integer v1 : new Integer[] { 1, null })
4960	>	{
4961	>	final CFException ex = new CFException();
4962	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4963	>	final FailingExceptionalCompletableFutureFunction r
4964	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4965	>	final DelegatedCompletionStage<Integer> d =
4966	>	new DelegatedCompletionStage<Integer>(f);
4967	>	if (!createIncomplete) f.completeExceptionally(ex);
4968	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4969	>	if (createIncomplete) f.completeExceptionally(ex);
4970	>
4971	>	checkCompletedExceptionally(f, ex);
4972	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4973	>	r.assertInvoked();
4974	>	}}
4975	>
4976	>	/**
4977	>	* default exceptionallyComposeAsync result completes normally after normal
4978	>	* completion of source
4979	>	*/
4980	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4981	>	for (boolean createIncomplete : new boolean[] { true, false })
4982	>	for (Integer v1 : new Integer[] { 1, null })
4983	>	{
4984	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4985	>	final ExceptionalCompletableFutureFunction r =
4986	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4987	>	final DelegatedCompletionStage<Integer> d =
4988	>	new DelegatedCompletionStage<Integer>(f);
4989	>	if (!createIncomplete) assertTrue(f.complete(v1));
4990	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4991	>	if (createIncomplete) assertTrue(f.complete(v1));
4992	>
4993		checkCompletedNormally(f, v1);
4994	<	checkCompletedWithWrappedCFException(g, ex);
4995	<	assertEquals(1, a.get());
4994	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4995	>	r.assertNotInvoked();
4996		}}
4997
4998		/**
4999	<	* If a whenComplete action throws an exception when triggered by
5000	<	* a source completion that also throws an exception, the source
2923	<	* exception takes precedence.
4999	>	* default-implemented exceptionallyComposeAsync result completes
5000	>	* normally after exceptional completion of source
5001		*/
5002	<	public void testWhenComplete_actionFailedSourceFailed() {
5002	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
5003	>	for (boolean createIncomplete : new boolean[] { true, false })
5004	>	{
5005	>	final CFException ex = new CFException();
5006	>	final ExceptionalCompletableFutureFunction r =
5007	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5008	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5009	>	final DelegatedCompletionStage<Integer> d =
5010	>	new DelegatedCompletionStage<Integer>(f);
5011	>	if (!createIncomplete) f.completeExceptionally(ex);
5012	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5013	>	if (createIncomplete) f.completeExceptionally(ex);
5014	>
5015	>	checkCompletedExceptionally(f, ex);
5016	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5017	>	r.assertInvoked();
5018	>	}}
5019	>
5020	>	/**
5021	>	* default-implemented exceptionallyComposeAsync completes
5022	>	* exceptionally on exception if action does
5023	>	*/
5024	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5025		for (boolean createIncomplete : new boolean[] { true, false })
2927	–	for (ExecutionMode m : ExecutionMode.values())
5026		for (Integer v1 : new Integer[] { 1, null })
5027		{
5028	<	final AtomicInteger a = new AtomicInteger(0);
2931	<	final CFException ex1 = new CFException();
2932	<	final CFException ex2 = new CFException();
5028	>	final CFException ex = new CFException();
5029		final CompletableFuture<Integer> f = new CompletableFuture<>();
5030	+	final FailingExceptionalCompletableFutureFunction r
5031	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5032	+	final DelegatedCompletionStage<Integer> d =
5033	+	new DelegatedCompletionStage<Integer>(f);
5034	+	if (!createIncomplete) f.completeExceptionally(ex);
5035	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5036	+	if (createIncomplete) f.completeExceptionally(ex);
5037
5038	<	if (!createIncomplete) f.completeExceptionally(ex1);
5039	<	final CompletableFuture<Integer> g = m.whenComplete
5040	<	(f,
5041	<	(Integer x, Throwable t) -> {
2939	<	threadAssertSame(t, ex1);
2940	<	threadAssertNull(x);
2941	<	a.getAndIncrement();
2942	<	throw ex2;
2943	<	});
2944	<	if (createIncomplete) f.completeExceptionally(ex1);
5038	>	checkCompletedExceptionally(f, ex);
5039	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5040	>	r.assertInvoked();
5041	>	}}
5042
5043	<	checkCompletedWithWrappedCFException(f, ex1);
5044	<	checkCompletedWithWrappedCFException(g, ex1);
5045	<	assertEquals(1, a.get());
5043	>
5044	>	/**
5045	>	* default exceptionallyComposeAsync result completes normally after normal
5046	>	* completion of source
5047	>	*/
5048	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5049	>	for (boolean createIncomplete : new boolean[] { true, false })
5050	>	for (Integer v1 : new Integer[] { 1, null })
5051	>	{
5052	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5053	>	final ExceptionalCompletableFutureFunction r =
5054	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5055	>	final DelegatedCompletionStage<Integer> d =
5056	>	new DelegatedCompletionStage<Integer>(f);
5057	>	if (!createIncomplete) assertTrue(f.complete(v1));
5058	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5059	>	if (createIncomplete) assertTrue(f.complete(v1));
5060	>
5061	>	checkCompletedNormally(f, v1);
5062	>	checkCompletedNormally(g.toCompletableFuture(), v1);
5063	>	r.assertNotInvoked();
5064	>	}}
5065	>
5066	>	/**
5067	>	* default-implemented exceptionallyComposeAsync result completes
5068	>	* normally after exceptional completion of source
5069	>	*/
5070	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5071	>	for (boolean createIncomplete : new boolean[] { true, false })
5072	>	{
5073	>	final CFException ex = new CFException();
5074	>	final ExceptionalCompletableFutureFunction r =
5075	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5076	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5077	>	final DelegatedCompletionStage<Integer> d =
5078	>	new DelegatedCompletionStage<Integer>(f);
5079	>	if (!createIncomplete) f.completeExceptionally(ex);
5080	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5081	>	if (createIncomplete) f.completeExceptionally(ex);
5082	>
5083	>	checkCompletedExceptionally(f, ex);
5084	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5085	>	r.assertInvoked();
5086	>	}}
5087	>
5088	>	/**
5089	>	* default-implemented exceptionallyComposeAsync completes
5090	>	* exceptionally on exception if action does
5091	>	*/
5092	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5093	>	for (boolean createIncomplete : new boolean[] { true, false })
5094	>	for (Integer v1 : new Integer[] { 1, null })
5095	>	{
5096	>	final CFException ex = new CFException();
5097	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5098	>	final FailingExceptionalCompletableFutureFunction r
5099	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5100	>	final DelegatedCompletionStage<Integer> d =
5101	>	new DelegatedCompletionStage<Integer>(f);
5102	>	if (!createIncomplete) f.completeExceptionally(ex);
5103	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5104	>	if (createIncomplete) f.completeExceptionally(ex);
5105	>
5106	>	checkCompletedExceptionally(f, ex);
5107	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5108	>	r.assertInvoked();
5109		}}
5110
5111		}

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