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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.58 by jsr166, Mon Jun 2 23:10:08 2014 UTC vs.
Revision 1.198 by dl, Mon Sep 17 11:50:55 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	<	// Choose non-commutative actions for better coverage
385	<
386	<	// A non-commutative function that handles and produces null values as well.
387	<	static Integer subtract(Integer x, Integer y) {
388	<	return (x == null && y == null) ? null :
389	<	((x == null) ? 42 : x.intValue())
390	<	- ((y == null) ? 99 : y.intValue());
384	>	abstract static class CheckedAction {
385	>	int invocationCount = 0;
386	>	final ExecutionMode m;
387	>	CheckedAction(ExecutionMode m) { this.m = m; }
388	>	void invoked() {
389	>	m.checkExecutionMode();
390	>	assertEquals(0, invocationCount++);
391	>	}
392	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
393	>	void assertInvoked() { assertEquals(1, invocationCount); }
394		}
395
396	<	// A function that handles and produces null values as well.
397	<	static Integer inc(Integer x) {
398	<	return (x == null) ? null : x + 1;
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 final class IntegerSupplier implements Supplier<Integer> {
406	<	final ExecutionMode m;
407	<	int invocationCount = 0;
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();
347	<	invocationCount++;
414	>	invoked();
415		return value;
416		}
417		}
418	<
419	<	static final class IncAction implements Consumer<Integer> {
420	<	int invocationCount = 0;
421	<	Integer value;
418	>
419	>	// A function that handles and produces null values as well.
420	>	static Integer inc(Integer x) {
421	>	return (x == null) ? null : x + 1;
422	>	}
423	>
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();
367	<	invocationCount++;
439	>	invoked();
440		return value = inc(x);
441		}
442		}
443	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
444	<	final ExecutionMode m;
445	<	int invocationCount = 0;
446	<	Integer value;
447	<	// Check this action was invoked exactly once when result is computed.
448	<	SubtractAction(ExecutionMode m) { this.m = m; }
443	>
444	>	// Choose non-commutative actions for better coverage
445	>	// A non-commutative function that handles and produces null values as well.
446	>	static Integer subtract(Integer x, Integer y) {
447	>	return (x == null && y == null) ? null :
448	>	((x == null) ? 42 : x.intValue())
449	>	- ((y == null) ? 99 : y.intValue());
450	>	}
451	>
452	>	static class SubtractAction extends CheckedIntegerAction
453	>	implements BiConsumer<Integer, Integer>
454	>	{
455	>	SubtractAction(ExecutionMode m) { super(m); }
456		public void accept(Integer x, Integer y) {
457	<	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	<	static final class Noop implements Runnable {
472	<	final ExecutionMode m;
473	<	int invocationCount = 0;
398	<	Noop(ExecutionMode m) { this.m = m; }
471	>
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474		public void run() {
475	<	m.checkExecutionMode();
401	<	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++;
412	<	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++;
462	<	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;
470	<	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++;
552	>	invoked();
553	>	value = x;
554		CompletableFuture<Integer> f = new CompletableFuture<>();
555	<	f.complete(inc(x));
555	>	assertTrue(f.complete(inc(x)));
556		return f;
557		}
558		}
559
560	<	static final class FailingCompletableFutureFunction
561	<	implements Function<Integer, CompletableFuture<Integer>> {
562	<	final ExecutionMode m;
563	<	int invocationCount = 0;
564	<	FailingCompletableFutureFunction(ExecutionMode m) { this.m = m; }
560	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
561	>	implements Function<Throwable, CompletableFuture<Integer>>
562	>	{
563	>	final CFException ex;
564	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
565	>	public CompletableFuture<Integer> apply(Throwable x) {
566	>	invoked();
567	>	throw ex;
568	>	}
569	>	}
570	>
571	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
572	>	implements Function<Throwable, CompletionStage<Integer>> {
573	>	final Integer value = 3;
574	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
575	>	public CompletionStage<Integer> apply(Throwable x) {
576	>	invoked();
577	>	CompletableFuture<Integer> d = new CompletableFuture<Integer>();
578	>	d.complete(value);
579	>	return d;
580	>	}
581	>	}
582	>
583	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
584	>	implements Function<Integer, CompletableFuture<Integer>>
585	>	{
586	>	final CFException ex;
587	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
588		public CompletableFuture<Integer> apply(Integer x) {
589	<	m.checkExecutionMode();
590	<	invocationCount++;
591	<	throw new CFException();
589	>	invoked();
590	>	value = x;
591	>	throw ex;
592	>	}
593	>	}
594	>
595	>	static class CountingRejectingExecutor implements Executor {
596	>	final RejectedExecutionException ex = new RejectedExecutionException();
597	>	final AtomicInteger count = new AtomicInteger(0);
598	>	public void execute(Runnable r) {
599	>	count.getAndIncrement();
600	>	throw ex;
601		}
602		}
603
#	Line 503 \| Line 615 \| public class CompletableFutureTest exten
615		}
616		}
617
618	+	static final boolean defaultExecutorIsCommonPool
619	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
620	+
621		/**
622		* Permits the testing of parallel code for the 3 different
623	<	* execution modes without repeating all the testing code.
623	>	* execution modes without copy/pasting all the test methods.
624		*/
625		enum ExecutionMode {
626	<	DEFAULT {
626	>	SYNC {
627		public void checkExecutionMode() {
628	+	assertFalse(ThreadExecutor.startedCurrentThread());
629		assertNull(ForkJoinTask.getPool());
630		}
631		public CompletableFuture<Void> runAsync(Runnable a) {
#	Line 579 \| Line 695 \| public class CompletableFutureTest exten
695		Function<? super T,U> a) {
696		return f.applyToEither(g, a);
697		}
698	+	public <T> CompletableFuture<T> exceptionally
699	+	(CompletableFuture<T> f,
700	+	Function<Throwable, ? extends T> fn) {
701	+	return f.exceptionally(fn);
702	+	}
703	+	public <T> CompletableFuture<T> exceptionallyCompose
704	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
705	+	return f.exceptionallyCompose(fn);
706	+	}
707		},
583	–
708		ASYNC {
709		public void checkExecutionMode() {
710	<	assertSame(ForkJoinPool.commonPool(),
711	<	ForkJoinTask.getPool());
710	>	assertEquals(defaultExecutorIsCommonPool,
711	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
712		}
713		public CompletableFuture<Void> runAsync(Runnable a) {
714		return CompletableFuture.runAsync(a);
#	Line 653 \| Line 777 \| public class CompletableFutureTest exten
777		Function<? super T,U> a) {
778		return f.applyToEitherAsync(g, a);
779		}
780	+	public <T> CompletableFuture<T> exceptionally
781	+	(CompletableFuture<T> f,
782	+	Function<Throwable, ? extends T> fn) {
783	+	return f.exceptionallyAsync(fn);
784	+	}
785	+
786	+	public <T> CompletableFuture<T> exceptionallyCompose
787	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
788	+	return f.exceptionallyComposeAsync(fn);
789	+	}
790	+
791		},
792
793		EXECUTOR {
#	Line 726 \| Line 861 \| public class CompletableFutureTest exten
861		Function<? super T,U> a) {
862		return f.applyToEitherAsync(g, a, new ThreadExecutor());
863		}
864	+	public <T> CompletableFuture<T> exceptionally
865	+	(CompletableFuture<T> f,
866	+	Function<Throwable, ? extends T> fn) {
867	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
868	+	}
869	+	public <T> CompletableFuture<T> exceptionallyCompose
870	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
871	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
872	+	}
873	+
874		};
875
876		public abstract void checkExecutionMode();
#	Line 768 \| Line 913 \| public class CompletableFutureTest exten
913		(CompletableFuture<T> f,
914		CompletionStage<? extends T> g,
915		Function<? super T,U> a);
916	+	public abstract <T> CompletableFuture<T> exceptionally
917	+	(CompletableFuture<T> f,
918	+	Function<Throwable, ? extends T> fn);
919	+	public abstract <T> CompletableFuture<T> exceptionallyCompose
920	+	(CompletableFuture<T> f,
921	+	Function<Throwable, ? extends CompletionStage<T>> fn);
922		}
923
924		/**
#	Line 775 \| Line 926 \| public class CompletableFutureTest exten
926		* normally, and source result is propagated
927		*/
928		public void testExceptionally_normalCompletion() {
929	+	for (ExecutionMode m : ExecutionMode.values())
930		for (boolean createIncomplete : new boolean[] { true, false })
931		for (Integer v1 : new Integer[] { 1, null })
932		{
933		final AtomicInteger a = new AtomicInteger(0);
934		final CompletableFuture<Integer> f = new CompletableFuture<>();
935	<	if (!createIncomplete) f.complete(v1);
936	<	final CompletableFuture<Integer> g = f.exceptionally
937	<	((Throwable t) -> {
786	<	// Should not be called
935	>	if (!createIncomplete) assertTrue(f.complete(v1));
936	>	final CompletableFuture<Integer> g = m.exceptionally
937	>	(f, (Throwable t) -> {
938		a.getAndIncrement();
939	<	throw new AssertionError();
939	>	threadFail("should not be called");
940	>	return null; // unreached
941		});
942	<	if (createIncomplete) f.complete(v1);
942	>	if (createIncomplete) assertTrue(f.complete(v1));
943
944		checkCompletedNormally(g, v1);
945		checkCompletedNormally(f, v1);
946		assertEquals(0, a.get());
947		}}
948
797	–
949		/**
950		* exceptionally action completes with function value on source
951		* exception
952		*/
953		public void testExceptionally_exceptionalCompletion() {
954	+	for (ExecutionMode m : ExecutionMode.values())
955		for (boolean createIncomplete : new boolean[] { true, false })
956		for (Integer v1 : new Integer[] { 1, null })
957		{
#	Line 807 \| Line 959 \| public class CompletableFutureTest exten
959		final CFException ex = new CFException();
960		final CompletableFuture<Integer> f = new CompletableFuture<>();
961		if (!createIncomplete) f.completeExceptionally(ex);
962	<	final CompletableFuture<Integer> g = f.exceptionally
963	<	((Throwable t) -> {
964	<	ExecutionMode.DEFAULT.checkExecutionMode();
962	>	final CompletableFuture<Integer> g = m.exceptionally
963	>	(f, (Throwable t) -> {
964	>	m.checkExecutionMode();
965		threadAssertSame(t, ex);
966		a.getAndIncrement();
967		return v1;
#	Line 820 \| Line 972 \| public class CompletableFutureTest exten
972		assertEquals(1, a.get());
973		}}
974
975	+	/**
976	+	* If an "exceptionally action" throws an exception, it completes
977	+	* exceptionally with that exception
978	+	*/
979		public void testExceptionally_exceptionalCompletionActionFailed() {
980	+	for (ExecutionMode m : ExecutionMode.values())
981	+	for (boolean createIncomplete : new boolean[] { true, false })
982	+	{
983	+	final AtomicInteger a = new AtomicInteger(0);
984	+	final CFException ex1 = new CFException();
985	+	final CFException ex2 = new CFException();
986	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
987	+	if (!createIncomplete) f.completeExceptionally(ex1);
988	+	final CompletableFuture<Integer> g = m.exceptionally
989	+	(f, (Throwable t) -> {
990	+	m.checkExecutionMode();
991	+	threadAssertSame(t, ex1);
992	+	a.getAndIncrement();
993	+	throw ex2;
994	+	});
995	+	if (createIncomplete) f.completeExceptionally(ex1);
996	+
997	+	checkCompletedWithWrappedException(g, ex2);
998	+	checkCompletedExceptionally(f, ex1);
999	+	assertEquals(1, a.get());
1000	+	}}
1001	+
1002	+	/**
1003	+	* whenComplete action executes on normal completion, propagating
1004	+	* source result.
1005	+	*/
1006	+	public void testWhenComplete_normalCompletion() {
1007	+	for (ExecutionMode m : ExecutionMode.values())
1008		for (boolean createIncomplete : new boolean[] { true, false })
1009		for (Integer v1 : new Integer[] { 1, null })
1010		{
1011		final AtomicInteger a = new AtomicInteger(0);
1012	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1013	+	if (!createIncomplete) assertTrue(f.complete(v1));
1014	+	final CompletableFuture<Integer> g = m.whenComplete
1015	+	(f,
1016	+	(Integer result, Throwable t) -> {
1017	+	m.checkExecutionMode();
1018	+	threadAssertSame(result, v1);
1019	+	threadAssertNull(t);
1020	+	a.getAndIncrement();
1021	+	});
1022	+	if (createIncomplete) assertTrue(f.complete(v1));
1023	+
1024	+	checkCompletedNormally(g, v1);
1025	+	checkCompletedNormally(f, v1);
1026	+	assertEquals(1, a.get());
1027	+	}}
1028	+
1029	+	/**
1030	+	* whenComplete action executes on exceptional completion, propagating
1031	+	* source result.
1032	+	*/
1033	+	public void testWhenComplete_exceptionalCompletion() {
1034	+	for (ExecutionMode m : ExecutionMode.values())
1035	+	for (boolean createIncomplete : new boolean[] { true, false })
1036	+	{
1037	+	final AtomicInteger a = new AtomicInteger(0);
1038	+	final CFException ex = new CFException();
1039	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1040	+	if (!createIncomplete) f.completeExceptionally(ex);
1041	+	final CompletableFuture<Integer> g = m.whenComplete
1042	+	(f,
1043	+	(Integer result, Throwable t) -> {
1044	+	m.checkExecutionMode();
1045	+	threadAssertNull(result);
1046	+	threadAssertSame(t, ex);
1047	+	a.getAndIncrement();
1048	+	});
1049	+	if (createIncomplete) f.completeExceptionally(ex);
1050	+
1051	+	checkCompletedWithWrappedException(g, ex);
1052	+	checkCompletedExceptionally(f, ex);
1053	+	assertEquals(1, a.get());
1054	+	}}
1055	+
1056	+	/**
1057	+	* whenComplete action executes on cancelled source, propagating
1058	+	* CancellationException.
1059	+	*/
1060	+	public void testWhenComplete_sourceCancelled() {
1061	+	for (ExecutionMode m : ExecutionMode.values())
1062	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1063	+	for (boolean createIncomplete : new boolean[] { true, false })
1064	+	{
1065	+	final AtomicInteger a = new AtomicInteger(0);
1066	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1067	+	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1068	+	final CompletableFuture<Integer> g = m.whenComplete
1069	+	(f,
1070	+	(Integer result, Throwable t) -> {
1071	+	m.checkExecutionMode();
1072	+	threadAssertNull(result);
1073	+	threadAssertTrue(t instanceof CancellationException);
1074	+	a.getAndIncrement();
1075	+	});
1076	+	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1077	+
1078	+	checkCompletedWithWrappedCancellationException(g);
1079	+	checkCancelled(f);
1080	+	assertEquals(1, a.get());
1081	+	}}
1082	+
1083	+	/**
1084	+	* If a whenComplete action throws an exception when triggered by
1085	+	* a normal completion, it completes exceptionally
1086	+	*/
1087	+	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1088	+	for (boolean createIncomplete : new boolean[] { true, false })
1089	+	for (ExecutionMode m : ExecutionMode.values())
1090	+	for (Integer v1 : new Integer[] { 1, null })
1091	+	{
1092	+	final AtomicInteger a = new AtomicInteger(0);
1093	+	final CFException ex = new CFException();
1094	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1095	+	if (!createIncomplete) assertTrue(f.complete(v1));
1096	+	final CompletableFuture<Integer> g = m.whenComplete
1097	+	(f,
1098	+	(Integer result, Throwable t) -> {
1099	+	m.checkExecutionMode();
1100	+	threadAssertSame(result, v1);
1101	+	threadAssertNull(t);
1102	+	a.getAndIncrement();
1103	+	throw ex;
1104	+	});
1105	+	if (createIncomplete) assertTrue(f.complete(v1));
1106	+
1107	+	checkCompletedWithWrappedException(g, ex);
1108	+	checkCompletedNormally(f, v1);
1109	+	assertEquals(1, a.get());
1110	+	}}
1111	+
1112	+	/**
1113	+	* If a whenComplete action throws an exception when triggered by
1114	+	* a source completion that also throws an exception, the source
1115	+	* exception takes precedence (unlike handle)
1116	+	*/
1117	+	public void testWhenComplete_sourceFailedActionFailed() {
1118	+	for (boolean createIncomplete : new boolean[] { true, false })
1119	+	for (ExecutionMode m : ExecutionMode.values())
1120	+	{
1121	+	final AtomicInteger a = new AtomicInteger(0);
1122		final CFException ex1 = new CFException();
1123		final CFException ex2 = new CFException();
1124		final CompletableFuture<Integer> f = new CompletableFuture<>();
1125	+
1126		if (!createIncomplete) f.completeExceptionally(ex1);
1127	<	final CompletableFuture<Integer> g = f.exceptionally
1128	<	((Throwable t) -> {
1129	<	ExecutionMode.DEFAULT.checkExecutionMode();
1127	>	final CompletableFuture<Integer> g = m.whenComplete
1128	>	(f,
1129	>	(Integer result, Throwable t) -> {
1130	>	m.checkExecutionMode();
1131		threadAssertSame(t, ex1);
1132	+	threadAssertNull(result);
1133		a.getAndIncrement();
1134		throw ex2;
1135		});
1136		if (createIncomplete) f.completeExceptionally(ex1);
1137
1138	<	checkCompletedWithWrappedCFException(g, ex2);
1138	>	checkCompletedWithWrappedException(g, ex1);
1139	>	checkCompletedExceptionally(f, ex1);
1140	>	if (testImplementationDetails) {
1141	>	assertEquals(1, ex1.getSuppressed().length);
1142	>	assertSame(ex2, ex1.getSuppressed()[0]);
1143	>	}
1144		assertEquals(1, a.get());
1145		}}
1146
#	Line 853 \| Line 1155 \| public class CompletableFutureTest exten
1155		{
1156		final CompletableFuture<Integer> f = new CompletableFuture<>();
1157		final AtomicInteger a = new AtomicInteger(0);
1158	<	if (!createIncomplete) f.complete(v1);
1158	>	if (!createIncomplete) assertTrue(f.complete(v1));
1159		final CompletableFuture<Integer> g = m.handle
1160		(f,
1161	<	(Integer x, Throwable t) -> {
1161	>	(Integer result, Throwable t) -> {
1162		m.checkExecutionMode();
1163	<	threadAssertSame(x, v1);
1163	>	threadAssertSame(result, v1);
1164		threadAssertNull(t);
1165		a.getAndIncrement();
1166		return inc(v1);
1167		});
1168	<	if (createIncomplete) f.complete(v1);
1168	>	if (createIncomplete) assertTrue(f.complete(v1));
1169
1170		checkCompletedNormally(g, inc(v1));
1171		checkCompletedNormally(f, v1);
#	Line 885 \| Line 1187 \| public class CompletableFutureTest exten
1187		if (!createIncomplete) f.completeExceptionally(ex);
1188		final CompletableFuture<Integer> g = m.handle
1189		(f,
1190	<	(Integer x, Throwable t) -> {
1190	>	(Integer result, Throwable t) -> {
1191		m.checkExecutionMode();
1192	<	threadAssertNull(x);
1192	>	threadAssertNull(result);
1193		threadAssertSame(t, ex);
1194		a.getAndIncrement();
1195		return v1;
#	Line 895 \| Line 1197 \| public class CompletableFutureTest exten
1197		if (createIncomplete) f.completeExceptionally(ex);
1198
1199		checkCompletedNormally(g, v1);
1200	<	checkCompletedWithWrappedCFException(f, ex);
1200	>	checkCompletedExceptionally(f, ex);
1201		assertEquals(1, a.get());
1202		}}
1203
#	Line 914 \| Line 1216 \| public class CompletableFutureTest exten
1216		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1217		final CompletableFuture<Integer> g = m.handle
1218		(f,
1219	<	(Integer x, Throwable t) -> {
1219	>	(Integer result, Throwable t) -> {
1220		m.checkExecutionMode();
1221	<	threadAssertNull(x);
1221	>	threadAssertNull(result);
1222		threadAssertTrue(t instanceof CancellationException);
1223		a.getAndIncrement();
1224		return v1;
#	Line 929 \| Line 1231 \| public class CompletableFutureTest exten
1231		}}
1232
1233		/**
1234	<	* handle result completes exceptionally if action does
1234	>	* If a "handle action" throws an exception when triggered by
1235	>	* a normal completion, it completes exceptionally
1236		*/
1237	<	public void testHandle_sourceFailedActionFailed() {
1237	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1238		for (ExecutionMode m : ExecutionMode.values())
1239		for (boolean createIncomplete : new boolean[] { true, false })
1240	+	for (Integer v1 : new Integer[] { 1, null })
1241		{
1242		final CompletableFuture<Integer> f = new CompletableFuture<>();
1243		final AtomicInteger a = new AtomicInteger(0);
1244	<	final CFException ex1 = new CFException();
1245	<	final CFException ex2 = new CFException();
942	<	if (!createIncomplete) f.completeExceptionally(ex1);
1244	>	final CFException ex = new CFException();
1245	>	if (!createIncomplete) assertTrue(f.complete(v1));
1246		final CompletableFuture<Integer> g = m.handle
1247		(f,
1248	<	(Integer x, Throwable t) -> {
1248	>	(Integer result, Throwable t) -> {
1249		m.checkExecutionMode();
1250	<	threadAssertNull(x);
1251	<	threadAssertSame(ex1, t);
1250	>	threadAssertSame(result, v1);
1251	>	threadAssertNull(t);
1252		a.getAndIncrement();
1253	<	throw ex2;
1253	>	throw ex;
1254		});
1255	<	if (createIncomplete) f.completeExceptionally(ex1);
1255	>	if (createIncomplete) assertTrue(f.complete(v1));
1256
1257	<	checkCompletedWithWrappedCFException(g, ex2);
1258	<	checkCompletedWithWrappedCFException(f, ex1);
1257	>	checkCompletedWithWrappedException(g, ex);
1258	>	checkCompletedNormally(f, v1);
1259		assertEquals(1, a.get());
1260		}}
1261
1262	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1263	<	for (ExecutionMode m : ExecutionMode.values())
1262	>	/**
1263	>	* If a "handle action" throws an exception when triggered by
1264	>	* a source completion that also throws an exception, the action
1265	>	* exception takes precedence (unlike whenComplete)
1266	>	*/
1267	>	public void testHandle_sourceFailedActionFailed() {
1268		for (boolean createIncomplete : new boolean[] { true, false })
1269	<	for (Integer v1 : new Integer[] { 1, null })
1269	>	for (ExecutionMode m : ExecutionMode.values())
1270		{
964	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1271		final AtomicInteger a = new AtomicInteger(0);
1272	<	final CFException ex = new CFException();
1273	<	if (!createIncomplete) f.complete(v1);
1272	>	final CFException ex1 = new CFException();
1273	>	final CFException ex2 = new CFException();
1274	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1275	>
1276	>	if (!createIncomplete) f.completeExceptionally(ex1);
1277		final CompletableFuture<Integer> g = m.handle
1278		(f,
1279	<	(Integer x, Throwable t) -> {
1279	>	(Integer result, Throwable t) -> {
1280		m.checkExecutionMode();
1281	<	threadAssertSame(x, v1);
1282	<	threadAssertNull(t);
1281	>	threadAssertNull(result);
1282	>	threadAssertSame(ex1, t);
1283		a.getAndIncrement();
1284	<	throw ex;
1284	>	throw ex2;
1285		});
1286	<	if (createIncomplete) f.complete(v1);
1286	>	if (createIncomplete) f.completeExceptionally(ex1);
1287
1288	<	checkCompletedWithWrappedCFException(g, ex);
1289	<	checkCompletedNormally(f, v1);
1288	>	checkCompletedWithWrappedException(g, ex2);
1289	>	checkCompletedExceptionally(f, ex1);
1290		assertEquals(1, a.get());
1291		}}
1292
#	Line 995 \| Line 1304 \| public class CompletableFutureTest exten
1304		final CompletableFuture<Void> f = m.runAsync(r);
1305		assertNull(f.join());
1306		checkCompletedNormally(f, null);
1307	<	assertEquals(1, r.invocationCount);
1307	>	r.assertInvoked();
1308		}}
1309
1310		/**
#	Line 1010 \| Line 1319 \| public class CompletableFutureTest exten
1319		{
1320		final FailingRunnable r = new FailingRunnable(m);
1321		final CompletableFuture<Void> f = m.runAsync(r);
1322	<	checkCompletedWithWrappedCFException(f);
1323	<	assertEquals(1, r.invocationCount);
1322	>	checkCompletedWithWrappedException(f, r.ex);
1323	>	r.assertInvoked();
1324		}}
1325
1326	+	@SuppressWarnings("FutureReturnValueIgnored")
1327	+	public void testRunAsync_rejectingExecutor() {
1328	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1329	+	try {
1330	+	CompletableFuture.runAsync(() -> {}, e);
1331	+	shouldThrow();
1332	+	} catch (Throwable t) {
1333	+	assertSame(e.ex, t);
1334	+	}
1335	+
1336	+	assertEquals(1, e.count.get());
1337	+	}
1338	+
1339		/**
1340		* supplyAsync completes with result of supplier
1341		*/
#	Line 1029 \| Line 1351 \| public class CompletableFutureTest exten
1351		final CompletableFuture<Integer> f = m.supplyAsync(r);
1352		assertSame(v1, f.join());
1353		checkCompletedNormally(f, v1);
1354	<	assertEquals(1, r.invocationCount);
1354	>	r.assertInvoked();
1355		}}
1356
1357		/**
#	Line 1044 \| Line 1366 \| public class CompletableFutureTest exten
1366		{
1367		FailingSupplier r = new FailingSupplier(m);
1368		CompletableFuture<Integer> f = m.supplyAsync(r);
1369	<	checkCompletedWithWrappedCFException(f);
1370	<	assertEquals(1, r.invocationCount);
1369	>	checkCompletedWithWrappedException(f, r.ex);
1370	>	r.assertInvoked();
1371		}}
1372
1373	+	@SuppressWarnings("FutureReturnValueIgnored")
1374	+	public void testSupplyAsync_rejectingExecutor() {
1375	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1376	+	try {
1377	+	CompletableFuture.supplyAsync(() -> null, e);
1378	+	shouldThrow();
1379	+	} catch (Throwable t) {
1380	+	assertSame(e.ex, t);
1381	+	}
1382	+
1383	+	assertEquals(1, e.count.get());
1384	+	}
1385	+
1386		// seq completion methods
1387
1388		/**
#	Line 1055 \| Line 1390 \| public class CompletableFutureTest exten
1390		*/
1391		public void testThenRun_normalCompletion() {
1392		for (ExecutionMode m : ExecutionMode.values())
1058	–	for (boolean createIncomplete : new boolean[] { true, false })
1393		for (Integer v1 : new Integer[] { 1, null })
1394		{
1395		final CompletableFuture<Integer> f = new CompletableFuture<>();
1396	<	final Noop r = new Noop(m);
1397	<	if (!createIncomplete) f.complete(v1);
1064	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1065	<	if (createIncomplete) {
1066	<	checkIncomplete(g);
1067	<	f.complete(v1);
1068	<	}
1396	>	final Noop[] rs = new Noop[6];
1397	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1398
1399	<	checkCompletedNormally(g, null);
1399	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1400	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1401	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1402	>	checkIncomplete(h0);
1403	>	checkIncomplete(h1);
1404	>	checkIncomplete(h2);
1405	>	assertTrue(f.complete(v1));
1406	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1407	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1408	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1409	>
1410	>	checkCompletedNormally(h0, null);
1411	>	checkCompletedNormally(h1, null);
1412	>	checkCompletedNormally(h2, null);
1413	>	checkCompletedNormally(h3, null);
1414	>	checkCompletedNormally(h4, null);
1415	>	checkCompletedNormally(h5, null);
1416		checkCompletedNormally(f, v1);
1417	<	assertEquals(1, r.invocationCount);
1417	>	for (Noop r : rs) r.assertInvoked();
1418		}}
1419
1420		/**
#	Line 1078 \| Line 1423 \| public class CompletableFutureTest exten
1423		*/
1424		public void testThenRun_exceptionalCompletion() {
1425		for (ExecutionMode m : ExecutionMode.values())
1081	–	for (boolean createIncomplete : new boolean[] { true, false })
1426		{
1427		final CFException ex = new CFException();
1428		final CompletableFuture<Integer> f = new CompletableFuture<>();
1429	<	final Noop r = new Noop(m);
1430	<	if (!createIncomplete) f.completeExceptionally(ex);
1087	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1088	<	if (createIncomplete) {
1089	<	checkIncomplete(g);
1090	<	f.completeExceptionally(ex);
1091	<	}
1429	>	final Noop[] rs = new Noop[6];
1430	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1431
1432	<	checkCompletedWithWrappedCFException(g, ex);
1433	<	checkCompletedWithWrappedCFException(f, ex);
1434	<	assertEquals(0, r.invocationCount);
1432	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1433	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1434	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1435	>	checkIncomplete(h0);
1436	>	checkIncomplete(h1);
1437	>	checkIncomplete(h2);
1438	>	assertTrue(f.completeExceptionally(ex));
1439	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1440	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1441	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1442	>
1443	>	checkCompletedWithWrappedException(h0, ex);
1444	>	checkCompletedWithWrappedException(h1, ex);
1445	>	checkCompletedWithWrappedException(h2, ex);
1446	>	checkCompletedWithWrappedException(h3, ex);
1447	>	checkCompletedWithWrappedException(h4, ex);
1448	>	checkCompletedWithWrappedException(h5, ex);
1449	>	checkCompletedExceptionally(f, ex);
1450	>	for (Noop r : rs) r.assertNotInvoked();
1451		}}
1452
1453		/**
#	Line 1100 \| Line 1455 \| public class CompletableFutureTest exten
1455		*/
1456		public void testThenRun_sourceCancelled() {
1457		for (ExecutionMode m : ExecutionMode.values())
1103	–	for (boolean createIncomplete : new boolean[] { true, false })
1458		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1459		{
1460		final CompletableFuture<Integer> f = new CompletableFuture<>();
1461	<	final Noop r = new Noop(m);
1462	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1109	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1110	<	if (createIncomplete) {
1111	<	checkIncomplete(g);
1112	<	assertTrue(f.cancel(mayInterruptIfRunning));
1113	<	}
1461	>	final Noop[] rs = new Noop[6];
1462	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1463
1464	<	checkCompletedWithWrappedCancellationException(g);
1464	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1465	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1466	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1467	>	checkIncomplete(h0);
1468	>	checkIncomplete(h1);
1469	>	checkIncomplete(h2);
1470	>	assertTrue(f.cancel(mayInterruptIfRunning));
1471	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1472	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1473	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1474	>
1475	>	checkCompletedWithWrappedCancellationException(h0);
1476	>	checkCompletedWithWrappedCancellationException(h1);
1477	>	checkCompletedWithWrappedCancellationException(h2);
1478	>	checkCompletedWithWrappedCancellationException(h3);
1479	>	checkCompletedWithWrappedCancellationException(h4);
1480	>	checkCompletedWithWrappedCancellationException(h5);
1481		checkCancelled(f);
1482	<	assertEquals(0, r.invocationCount);
1482	>	for (Noop r : rs) r.assertNotInvoked();
1483		}}
1484
1485		/**
#	Line 1122 \| Line 1487 \| public class CompletableFutureTest exten
1487		*/
1488		public void testThenRun_actionFailed() {
1489		for (ExecutionMode m : ExecutionMode.values())
1125	–	for (boolean createIncomplete : new boolean[] { true, false })
1490		for (Integer v1 : new Integer[] { 1, null })
1491		{
1492		final CompletableFuture<Integer> f = new CompletableFuture<>();
1493	<	final FailingRunnable r = new FailingRunnable(m);
1494	<	if (!createIncomplete) f.complete(v1);
1131	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1132	<	if (createIncomplete) {
1133	<	checkIncomplete(g);
1134	<	f.complete(v1);
1135	<	}
1493	>	final FailingRunnable[] rs = new FailingRunnable[6];
1494	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1495
1496	<	checkCompletedWithWrappedCFException(g);
1496	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1497	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1498	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1499	>	assertTrue(f.complete(v1));
1500	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1501	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1502	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1503	>
1504	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1505	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1506	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1507	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1508	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1509	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1510		checkCompletedNormally(f, v1);
1511		}}
1512
#	Line 1143 \| Line 1515 \| public class CompletableFutureTest exten
1515		*/
1516		public void testThenApply_normalCompletion() {
1517		for (ExecutionMode m : ExecutionMode.values())
1146	–	for (boolean createIncomplete : new boolean[] { true, false })
1518		for (Integer v1 : new Integer[] { 1, null })
1519		{
1520		final CompletableFuture<Integer> f = new CompletableFuture<>();
1521	<	final IncFunction r = new IncFunction(m);
1522	<	if (!createIncomplete) f.complete(v1);
1152	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1153	<	if (createIncomplete) {
1154	<	checkIncomplete(g);
1155	<	f.complete(v1);
1156	<	}
1521	>	final IncFunction[] rs = new IncFunction[4];
1522	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1523
1524	<	checkCompletedNormally(g, inc(v1));
1524	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1525	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1526	>	checkIncomplete(h0);
1527	>	checkIncomplete(h1);
1528	>	assertTrue(f.complete(v1));
1529	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1530	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1531	>
1532	>	checkCompletedNormally(h0, inc(v1));
1533	>	checkCompletedNormally(h1, inc(v1));
1534	>	checkCompletedNormally(h2, inc(v1));
1535	>	checkCompletedNormally(h3, inc(v1));
1536		checkCompletedNormally(f, v1);
1537	<	assertEquals(1, r.invocationCount);
1537	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1538		}}
1539
1540		/**
#	Line 1166 \| Line 1543 \| public class CompletableFutureTest exten
1543		*/
1544		public void testThenApply_exceptionalCompletion() {
1545		for (ExecutionMode m : ExecutionMode.values())
1169	–	for (boolean createIncomplete : new boolean[] { true, false })
1546		{
1547		final CFException ex = new CFException();
1548		final CompletableFuture<Integer> f = new CompletableFuture<>();
1549	<	final IncFunction r = new IncFunction(m);
1550	<	if (!createIncomplete) f.completeExceptionally(ex);
1175	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1176	<	if (createIncomplete) {
1177	<	checkIncomplete(g);
1178	<	f.completeExceptionally(ex);
1179	<	}
1549	>	final IncFunction[] rs = new IncFunction[4];
1550	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1551
1552	<	checkCompletedWithWrappedCFException(g, ex);
1553	<	checkCompletedWithWrappedCFException(f, ex);
1554	<	assertEquals(0, r.invocationCount);
1552	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1553	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1554	>	assertTrue(f.completeExceptionally(ex));
1555	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1556	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1557	>
1558	>	checkCompletedWithWrappedException(h0, ex);
1559	>	checkCompletedWithWrappedException(h1, ex);
1560	>	checkCompletedWithWrappedException(h2, ex);
1561	>	checkCompletedWithWrappedException(h3, ex);
1562	>	checkCompletedExceptionally(f, ex);
1563	>	for (IncFunction r : rs) r.assertNotInvoked();
1564		}}
1565
1566		/**
#	Line 1188 \| Line 1568 \| public class CompletableFutureTest exten
1568		*/
1569		public void testThenApply_sourceCancelled() {
1570		for (ExecutionMode m : ExecutionMode.values())
1191	–	for (boolean createIncomplete : new boolean[] { true, false })
1571		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1572		{
1573		final CompletableFuture<Integer> f = new CompletableFuture<>();
1574	<	final IncFunction r = new IncFunction(m);
1575	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1197	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1198	<	if (createIncomplete) {
1199	<	checkIncomplete(g);
1200	<	assertTrue(f.cancel(mayInterruptIfRunning));
1201	<	}
1574	>	final IncFunction[] rs = new IncFunction[4];
1575	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1576
1577	<	checkCompletedWithWrappedCancellationException(g);
1577	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1578	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1579	>	assertTrue(f.cancel(mayInterruptIfRunning));
1580	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1581	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1582	>
1583	>	checkCompletedWithWrappedCancellationException(h0);
1584	>	checkCompletedWithWrappedCancellationException(h1);
1585	>	checkCompletedWithWrappedCancellationException(h2);
1586	>	checkCompletedWithWrappedCancellationException(h3);
1587		checkCancelled(f);
1588	<	assertEquals(0, r.invocationCount);
1588	>	for (IncFunction r : rs) r.assertNotInvoked();
1589		}}
1590
1591		/**
#	Line 1210 \| Line 1593 \| public class CompletableFutureTest exten
1593		*/
1594		public void testThenApply_actionFailed() {
1595		for (ExecutionMode m : ExecutionMode.values())
1213	–	for (boolean createIncomplete : new boolean[] { true, false })
1596		for (Integer v1 : new Integer[] { 1, null })
1597		{
1598		final CompletableFuture<Integer> f = new CompletableFuture<>();
1599	<	final FailingFunction r = new FailingFunction(m);
1600	<	if (!createIncomplete) f.complete(v1);
1219	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1220	<	if (createIncomplete) {
1221	<	checkIncomplete(g);
1222	<	f.complete(v1);
1223	<	}
1599	>	final FailingFunction[] rs = new FailingFunction[4];
1600	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1601
1602	<	checkCompletedWithWrappedCFException(g);
1602	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1603	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1604	>	assertTrue(f.complete(v1));
1605	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1606	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1607	>
1608	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1609	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1610	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1611	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1612		checkCompletedNormally(f, v1);
1613		}}
1614
#	Line 1231 \| Line 1617 \| public class CompletableFutureTest exten
1617		*/
1618		public void testThenAccept_normalCompletion() {
1619		for (ExecutionMode m : ExecutionMode.values())
1234	–	for (boolean createIncomplete : new boolean[] { true, false })
1620		for (Integer v1 : new Integer[] { 1, null })
1621		{
1622		final CompletableFuture<Integer> f = new CompletableFuture<>();
1623	<	final IncAction r = new IncAction();
1624	<	if (!createIncomplete) f.complete(v1);
1240	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1241	<	if (createIncomplete) {
1242	<	checkIncomplete(g);
1243	<	f.complete(v1);
1244	<	}
1623	>	final NoopConsumer[] rs = new NoopConsumer[4];
1624	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1625
1626	<	checkCompletedNormally(g, null);
1626	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1627	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1628	>	checkIncomplete(h0);
1629	>	checkIncomplete(h1);
1630	>	assertTrue(f.complete(v1));
1631	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1632	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1633	>
1634	>	checkCompletedNormally(h0, null);
1635	>	checkCompletedNormally(h1, null);
1636	>	checkCompletedNormally(h2, null);
1637	>	checkCompletedNormally(h3, null);
1638		checkCompletedNormally(f, v1);
1639	<	assertEquals(1, r.invocationCount);
1249	<	assertEquals(inc(v1), r.value);
1639	>	for (NoopConsumer r : rs) r.assertValue(v1);
1640		}}
1641
1642		/**
#	Line 1255 \| Line 1645 \| public class CompletableFutureTest exten
1645		*/
1646		public void testThenAccept_exceptionalCompletion() {
1647		for (ExecutionMode m : ExecutionMode.values())
1258	–	for (boolean createIncomplete : new boolean[] { true, false })
1648		{
1649		final CFException ex = new CFException();
1650		final CompletableFuture<Integer> f = new CompletableFuture<>();
1651	<	final IncAction r = new IncAction();
1652	<	if (!createIncomplete) f.completeExceptionally(ex);
1264	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1265	<	if (createIncomplete) {
1266	<	checkIncomplete(g);
1267	<	f.completeExceptionally(ex);
1268	<	}
1651	>	final NoopConsumer[] rs = new NoopConsumer[4];
1652	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1653
1654	<	checkCompletedWithWrappedCFException(g, ex);
1655	<	checkCompletedWithWrappedCFException(f, ex);
1656	<	assertEquals(0, r.invocationCount);
1654	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1655	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1656	>	assertTrue(f.completeExceptionally(ex));
1657	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1658	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1659	>
1660	>	checkCompletedWithWrappedException(h0, ex);
1661	>	checkCompletedWithWrappedException(h1, ex);
1662	>	checkCompletedWithWrappedException(h2, ex);
1663	>	checkCompletedWithWrappedException(h3, ex);
1664	>	checkCompletedExceptionally(f, ex);
1665	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1666		}}
1667
1668		/**
1669	<	* thenAccept result completes exceptionally if action does
1669	>	* thenAccept result completes exceptionally if source cancelled
1670		*/
1671	<	public void testThenAccept_actionFailed() {
1671	>	public void testThenAccept_sourceCancelled() {
1672		for (ExecutionMode m : ExecutionMode.values())
1673	<	for (boolean createIncomplete : new boolean[] { true, false })
1281	<	for (Integer v1 : new Integer[] { 1, null })
1673	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1674		{
1675		final CompletableFuture<Integer> f = new CompletableFuture<>();
1676	<	final FailingConsumer r = new FailingConsumer(m);
1677	<	if (!createIncomplete) f.complete(v1);
1286	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1287	<	if (createIncomplete) {
1288	<	checkIncomplete(g);
1289	<	f.complete(v1);
1290	<	}
1676	>	final NoopConsumer[] rs = new NoopConsumer[4];
1677	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1678
1679	<	checkCompletedWithWrappedCFException(g);
1680	<	checkCompletedNormally(f, v1);
1679	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1680	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1681	>	assertTrue(f.cancel(mayInterruptIfRunning));
1682	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1683	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1684	>
1685	>	checkCompletedWithWrappedCancellationException(h0);
1686	>	checkCompletedWithWrappedCancellationException(h1);
1687	>	checkCompletedWithWrappedCancellationException(h2);
1688	>	checkCompletedWithWrappedCancellationException(h3);
1689	>	checkCancelled(f);
1690	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1691		}}
1692
1693		/**
1694	<	* thenAccept result completes exceptionally if source cancelled
1694	>	* thenAccept result completes exceptionally if action does
1695		*/
1696	<	public void testThenAccept_sourceCancelled() {
1696	>	public void testThenAccept_actionFailed() {
1697		for (ExecutionMode m : ExecutionMode.values())
1698	<	for (boolean createIncomplete : new boolean[] { true, false })
1302	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1698	>	for (Integer v1 : new Integer[] { 1, null })
1699		{
1700		final CompletableFuture<Integer> f = new CompletableFuture<>();
1701	<	final IncAction r = new IncAction();
1702	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1307	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1308	<	if (createIncomplete) {
1309	<	checkIncomplete(g);
1310	<	assertTrue(f.cancel(mayInterruptIfRunning));
1311	<	}
1701	>	final FailingConsumer[] rs = new FailingConsumer[4];
1702	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1703
1704	<	checkCompletedWithWrappedCancellationException(g);
1705	<	checkCancelled(f);
1706	<	assertEquals(0, r.invocationCount);
1704	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1705	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1706	>	assertTrue(f.complete(v1));
1707	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1708	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1709	>
1710	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1711	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1712	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1713	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1714	>	checkCompletedNormally(f, v1);
1715		}}
1716
1717		/**
#	Line 1321 \| Line 1720 \| public class CompletableFutureTest exten
1720		*/
1721		public void testThenCombine_normalCompletion() {
1722		for (ExecutionMode m : ExecutionMode.values())
1324	–	for (boolean createIncomplete : new boolean[] { true, false })
1723		for (boolean fFirst : new boolean[] { true, false })
1724		for (Integer v1 : new Integer[] { 1, null })
1725		for (Integer v2 : new Integer[] { 2, null })
1726		{
1727		final CompletableFuture<Integer> f = new CompletableFuture<>();
1728		final CompletableFuture<Integer> g = new CompletableFuture<>();
1729	<	final SubtractFunction r = new SubtractFunction(m);
1729	>	final SubtractFunction[] rs = new SubtractFunction[6];
1730	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1731
1732	<	if (fFirst) f.complete(v1); else g.complete(v2);
1733	<	if (!createIncomplete)
1734	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1735	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1736	<	if (createIncomplete) {
1737	<	checkIncomplete(h);
1738	<	assertEquals(0, r.invocationCount);
1739	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1740	<	}
1732	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1733	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1734	>	final Integer w1 = fFirst ? v1 : v2;
1735	>	final Integer w2 = !fFirst ? v1 : v2;
1736	>
1737	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1738	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1739	>	assertTrue(fst.complete(w1));
1740	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1741	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1742	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1743	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1744	>	checkCompletedNormally(h1, subtract(w1, w1));
1745	>	checkCompletedNormally(h3, subtract(w1, w1));
1746	>	rs[1].assertValue(subtract(w1, w1));
1747	>	rs[3].assertValue(subtract(w1, w1));
1748	>	assertTrue(snd.complete(w2));
1749	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1750	>
1751	>	checkCompletedNormally(h0, subtract(v1, v2));
1752	>	checkCompletedNormally(h2, subtract(v1, v2));
1753	>	checkCompletedNormally(h4, subtract(v1, v2));
1754	>	rs[0].assertValue(subtract(v1, v2));
1755	>	rs[2].assertValue(subtract(v1, v2));
1756	>	rs[4].assertValue(subtract(v1, v2));
1757
1343	–	checkCompletedNormally(h, subtract(v1, v2));
1758		checkCompletedNormally(f, v1);
1759		checkCompletedNormally(g, v2);
1346	–	assertEquals(1, r.invocationCount);
1760		}}
1761
1762		/**
1763		* thenCombine result completes exceptionally after exceptional
1764		* completion of either source
1765		*/
1766	<	public void testThenCombine_exceptionalCompletion() {
1766	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1767		for (ExecutionMode m : ExecutionMode.values())
1355	–	for (boolean createIncomplete : new boolean[] { true, false })
1768		for (boolean fFirst : new boolean[] { true, false })
1769	+	for (boolean failFirst : new boolean[] { true, false })
1770		for (Integer v1 : new Integer[] { 1, null })
1771		{
1772		final CompletableFuture<Integer> f = new CompletableFuture<>();
1773		final CompletableFuture<Integer> g = new CompletableFuture<>();
1774		final CFException ex = new CFException();
1775	<	final SubtractFunction r = new SubtractFunction(m);
1776	<
1777	<	(fFirst ? f : g).complete(v1);
1778	<	if (!createIncomplete)
1779	<	(!fFirst ? f : g).completeExceptionally(ex);
1780	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1781	<	if (createIncomplete) {
1782	<	checkIncomplete(h);
1783	<	(!fFirst ? f : g).completeExceptionally(ex);
1784	<	}
1785	<
1786	<	checkCompletedWithWrappedCFException(h, ex);
1787	<	assertEquals(0, r.invocationCount);
1788	<	checkCompletedNormally(fFirst ? f : g, v1);
1789	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1775	>	final SubtractFunction r1 = new SubtractFunction(m);
1776	>	final SubtractFunction r2 = new SubtractFunction(m);
1777	>	final SubtractFunction r3 = new SubtractFunction(m);
1778	>
1779	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1780	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1781	>	final Callable<Boolean> complete1 = failFirst ?
1782	>	() -> fst.completeExceptionally(ex) :
1783	>	() -> fst.complete(v1);
1784	>	final Callable<Boolean> complete2 = failFirst ?
1785	>	() -> snd.complete(v1) :
1786	>	() -> snd.completeExceptionally(ex);
1787	>
1788	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1789	>	assertTrue(complete1.call());
1790	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1791	>	checkIncomplete(h1);
1792	>	checkIncomplete(h2);
1793	>	assertTrue(complete2.call());
1794	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1795	>
1796	>	checkCompletedWithWrappedException(h1, ex);
1797	>	checkCompletedWithWrappedException(h2, ex);
1798	>	checkCompletedWithWrappedException(h3, ex);
1799	>	r1.assertNotInvoked();
1800	>	r2.assertNotInvoked();
1801	>	r3.assertNotInvoked();
1802	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1803	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1804		}}
1805
1806		/**
1807	<	* thenCombine result completes exceptionally if action does
1807	>	* thenCombine result completes exceptionally if either source cancelled
1808		*/
1809	<	public void testThenCombine_actionFailed() {
1809	>	public void testThenCombine_sourceCancelled() throws Throwable {
1810		for (ExecutionMode m : ExecutionMode.values())
1811	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1812		for (boolean fFirst : new boolean[] { true, false })
1813	+	for (boolean failFirst : new boolean[] { true, false })
1814		for (Integer v1 : new Integer[] { 1, null })
1386	–	for (Integer v2 : new Integer[] { 2, null })
1815		{
1816		final CompletableFuture<Integer> f = new CompletableFuture<>();
1817		final CompletableFuture<Integer> g = new CompletableFuture<>();
1818	<	final FailingBiFunction r = new FailingBiFunction(m);
1819	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1820	<
1821	<	if (fFirst) {
1822	<	f.complete(v1);
1823	<	g.complete(v2);
1824	<	} else {
1825	<	g.complete(v2);
1826	<	f.complete(v1);
1827	<	}
1828	<
1829	<	checkCompletedWithWrappedCFException(h);
1830	<	checkCompletedNormally(f, v1);
1831	<	checkCompletedNormally(g, v2);
1818	>	final SubtractFunction r1 = new SubtractFunction(m);
1819	>	final SubtractFunction r2 = new SubtractFunction(m);
1820	>	final SubtractFunction r3 = new SubtractFunction(m);
1821	>
1822	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1823	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1824	>	final Callable<Boolean> complete1 = failFirst ?
1825	>	() -> fst.cancel(mayInterruptIfRunning) :
1826	>	() -> fst.complete(v1);
1827	>	final Callable<Boolean> complete2 = failFirst ?
1828	>	() -> snd.complete(v1) :
1829	>	() -> snd.cancel(mayInterruptIfRunning);
1830	>
1831	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1832	>	assertTrue(complete1.call());
1833	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1834	>	checkIncomplete(h1);
1835	>	checkIncomplete(h2);
1836	>	assertTrue(complete2.call());
1837	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1838	>
1839	>	checkCompletedWithWrappedCancellationException(h1);
1840	>	checkCompletedWithWrappedCancellationException(h2);
1841	>	checkCompletedWithWrappedCancellationException(h3);
1842	>	r1.assertNotInvoked();
1843	>	r2.assertNotInvoked();
1844	>	r3.assertNotInvoked();
1845	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1846	>	checkCancelled(failFirst ? fst : snd);
1847		}}
1848
1849		/**
1850	<	* thenCombine result completes exceptionally if either source cancelled
1850	>	* thenCombine result completes exceptionally if action does
1851		*/
1852	<	public void testThenCombine_sourceCancelled() {
1852	>	public void testThenCombine_actionFailed() {
1853		for (ExecutionMode m : ExecutionMode.values())
1411	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1412	–	for (boolean createIncomplete : new boolean[] { true, false })
1854		for (boolean fFirst : new boolean[] { true, false })
1855		for (Integer v1 : new Integer[] { 1, null })
1856	+	for (Integer v2 : new Integer[] { 2, null })
1857		{
1858		final CompletableFuture<Integer> f = new CompletableFuture<>();
1859		final CompletableFuture<Integer> g = new CompletableFuture<>();
1860	<	final SubtractFunction r = new SubtractFunction(m);
1861	<
1862	<	(fFirst ? f : g).complete(v1);
1863	<	if (!createIncomplete)
1864	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1865	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1866	<	if (createIncomplete) {
1867	<	checkIncomplete(h);
1868	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1869	<	}
1870	<
1871	<	checkCompletedWithWrappedCancellationException(h);
1872	<	checkCancelled(!fFirst ? f : g);
1873	<	assertEquals(0, r.invocationCount);
1874	<	checkCompletedNormally(fFirst ? f : g, v1);
1860	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1861	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1862	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1863	>
1864	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1865	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1866	>	final Integer w1 = fFirst ? v1 : v2;
1867	>	final Integer w2 = !fFirst ? v1 : v2;
1868	>
1869	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1870	>	assertTrue(fst.complete(w1));
1871	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1872	>	assertTrue(snd.complete(w2));
1873	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1874	>
1875	>	checkCompletedWithWrappedException(h1, r1.ex);
1876	>	checkCompletedWithWrappedException(h2, r2.ex);
1877	>	checkCompletedWithWrappedException(h3, r3.ex);
1878	>	r1.assertInvoked();
1879	>	r2.assertInvoked();
1880	>	r3.assertInvoked();
1881	>	checkCompletedNormally(f, v1);
1882	>	checkCompletedNormally(g, v2);
1883		}}
1884
1885		/**
#	Line 1438 \| Line 1888 \| public class CompletableFutureTest exten
1888		*/
1889		public void testThenAcceptBoth_normalCompletion() {
1890		for (ExecutionMode m : ExecutionMode.values())
1441	–	for (boolean createIncomplete : new boolean[] { true, false })
1891		for (boolean fFirst : new boolean[] { true, false })
1892		for (Integer v1 : new Integer[] { 1, null })
1893		for (Integer v2 : new Integer[] { 2, null })
1894		{
1895		final CompletableFuture<Integer> f = new CompletableFuture<>();
1896		final CompletableFuture<Integer> g = new CompletableFuture<>();
1897	<	final SubtractAction r = new SubtractAction(m);
1898	<
1899	<	if (fFirst) f.complete(v1); else g.complete(v2);
1900	<	if (!createIncomplete)
1901	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1902	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1903	<	if (createIncomplete) {
1904	<	checkIncomplete(h);
1905	<	assertEquals(0, r.invocationCount);
1906	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1907	<	}
1908	<
1909	<	checkCompletedNormally(h, null);
1910	<	assertEquals(subtract(v1, v2), r.value);
1897	>	final SubtractAction r1 = new SubtractAction(m);
1898	>	final SubtractAction r2 = new SubtractAction(m);
1899	>	final SubtractAction r3 = new SubtractAction(m);
1900	>
1901	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1902	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1903	>	final Integer w1 = fFirst ? v1 : v2;
1904	>	final Integer w2 = !fFirst ? v1 : v2;
1905	>
1906	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1907	>	assertTrue(fst.complete(w1));
1908	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1909	>	checkIncomplete(h1);
1910	>	checkIncomplete(h2);
1911	>	r1.assertNotInvoked();
1912	>	r2.assertNotInvoked();
1913	>	assertTrue(snd.complete(w2));
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915	>
1916	>	checkCompletedNormally(h1, null);
1917	>	checkCompletedNormally(h2, null);
1918	>	checkCompletedNormally(h3, null);
1919	>	r1.assertValue(subtract(v1, v2));
1920	>	r2.assertValue(subtract(v1, v2));
1921	>	r3.assertValue(subtract(v1, v2));
1922		checkCompletedNormally(f, v1);
1923		checkCompletedNormally(g, v2);
1924		}}
#	Line 1467 \| Line 1927 \| public class CompletableFutureTest exten
1927		* thenAcceptBoth result completes exceptionally after exceptional
1928		* completion of either source
1929		*/
1930	<	public void testThenAcceptBoth_exceptionalCompletion() {
1930	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1931		for (ExecutionMode m : ExecutionMode.values())
1472	–	for (boolean createIncomplete : new boolean[] { true, false })
1932		for (boolean fFirst : new boolean[] { true, false })
1933	+	for (boolean failFirst : new boolean[] { true, false })
1934		for (Integer v1 : new Integer[] { 1, null })
1935		{
1936		final CompletableFuture<Integer> f = new CompletableFuture<>();
1937		final CompletableFuture<Integer> g = new CompletableFuture<>();
1938		final CFException ex = new CFException();
1939	<	final SubtractAction r = new SubtractAction(m);
1940	<
1941	<	(fFirst ? f : g).complete(v1);
1942	<	if (!createIncomplete)
1943	<	(!fFirst ? f : g).completeExceptionally(ex);
1944	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1945	<	if (createIncomplete) {
1946	<	checkIncomplete(h);
1947	<	(!fFirst ? f : g).completeExceptionally(ex);
1948	<	}
1949	<
1950	<	checkCompletedWithWrappedCFException(h, ex);
1951	<	assertEquals(0, r.invocationCount);
1952	<	checkCompletedNormally(fFirst ? f : g, v1);
1953	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1939	>	final SubtractAction r1 = new SubtractAction(m);
1940	>	final SubtractAction r2 = new SubtractAction(m);
1941	>	final SubtractAction r3 = new SubtractAction(m);
1942	>
1943	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1944	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1945	>	final Callable<Boolean> complete1 = failFirst ?
1946	>	() -> fst.completeExceptionally(ex) :
1947	>	() -> fst.complete(v1);
1948	>	final Callable<Boolean> complete2 = failFirst ?
1949	>	() -> snd.complete(v1) :
1950	>	() -> snd.completeExceptionally(ex);
1951	>
1952	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1953	>	assertTrue(complete1.call());
1954	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1955	>	checkIncomplete(h1);
1956	>	checkIncomplete(h2);
1957	>	assertTrue(complete2.call());
1958	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1959	>
1960	>	checkCompletedWithWrappedException(h1, ex);
1961	>	checkCompletedWithWrappedException(h2, ex);
1962	>	checkCompletedWithWrappedException(h3, ex);
1963	>	r1.assertNotInvoked();
1964	>	r2.assertNotInvoked();
1965	>	r3.assertNotInvoked();
1966	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1967	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1968		}}
1969
1970		/**
1971	<	* thenAcceptBoth result completes exceptionally if action does
1971	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1972		*/
1973	<	public void testThenAcceptBoth_actionFailed() {
1973	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1974		for (ExecutionMode m : ExecutionMode.values())
1975	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1976		for (boolean fFirst : new boolean[] { true, false })
1977	+	for (boolean failFirst : new boolean[] { true, false })
1978		for (Integer v1 : new Integer[] { 1, null })
1503	–	for (Integer v2 : new Integer[] { 2, null })
1979		{
1980		final CompletableFuture<Integer> f = new CompletableFuture<>();
1981		final CompletableFuture<Integer> g = new CompletableFuture<>();
1982	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1983	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1984	<
1985	<	if (fFirst) {
1986	<	f.complete(v1);
1987	<	g.complete(v2);
1988	<	} else {
1989	<	g.complete(v2);
1990	<	f.complete(v1);
1991	<	}
1992	<
1993	<	checkCompletedWithWrappedCFException(h);
1994	<	checkCompletedNormally(f, v1);
1995	<	checkCompletedNormally(g, v2);
1982	>	final SubtractAction r1 = new SubtractAction(m);
1983	>	final SubtractAction r2 = new SubtractAction(m);
1984	>	final SubtractAction r3 = new SubtractAction(m);
1985	>
1986	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1987	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1988	>	final Callable<Boolean> complete1 = failFirst ?
1989	>	() -> fst.cancel(mayInterruptIfRunning) :
1990	>	() -> fst.complete(v1);
1991	>	final Callable<Boolean> complete2 = failFirst ?
1992	>	() -> snd.complete(v1) :
1993	>	() -> snd.cancel(mayInterruptIfRunning);
1994	>
1995	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1996	>	assertTrue(complete1.call());
1997	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1998	>	checkIncomplete(h1);
1999	>	checkIncomplete(h2);
2000	>	assertTrue(complete2.call());
2001	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2002	>
2003	>	checkCompletedWithWrappedCancellationException(h1);
2004	>	checkCompletedWithWrappedCancellationException(h2);
2005	>	checkCompletedWithWrappedCancellationException(h3);
2006	>	r1.assertNotInvoked();
2007	>	r2.assertNotInvoked();
2008	>	r3.assertNotInvoked();
2009	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2010	>	checkCancelled(failFirst ? fst : snd);
2011		}}
2012
2013		/**
2014	<	* thenAcceptBoth result completes exceptionally if either source cancelled
2014	>	* thenAcceptBoth result completes exceptionally if action does
2015		*/
2016	<	public void testThenAcceptBoth_sourceCancelled() {
2016	>	public void testThenAcceptBoth_actionFailed() {
2017		for (ExecutionMode m : ExecutionMode.values())
1528	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1529	–	for (boolean createIncomplete : new boolean[] { true, false })
2018		for (boolean fFirst : new boolean[] { true, false })
2019		for (Integer v1 : new Integer[] { 1, null })
2020	+	for (Integer v2 : new Integer[] { 2, null })
2021		{
2022		final CompletableFuture<Integer> f = new CompletableFuture<>();
2023		final CompletableFuture<Integer> g = new CompletableFuture<>();
2024	<	final SubtractAction r = new SubtractAction(m);
2025	<
2026	<	(fFirst ? f : g).complete(v1);
2027	<	if (!createIncomplete)
2028	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2029	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2030	<	if (createIncomplete) {
2031	<	checkIncomplete(h);
2032	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2033	<	}
2034	<
2035	<	checkCompletedWithWrappedCancellationException(h);
2036	<	checkCancelled(!fFirst ? f : g);
2037	<	assertEquals(0, r.invocationCount);
2038	<	checkCompletedNormally(fFirst ? f : g, v1);
2024	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2025	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2026	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2027	>
2028	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2029	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2030	>	final Integer w1 = fFirst ? v1 : v2;
2031	>	final Integer w2 = !fFirst ? v1 : v2;
2032	>
2033	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2034	>	assertTrue(fst.complete(w1));
2035	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2036	>	assertTrue(snd.complete(w2));
2037	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2038	>
2039	>	checkCompletedWithWrappedException(h1, r1.ex);
2040	>	checkCompletedWithWrappedException(h2, r2.ex);
2041	>	checkCompletedWithWrappedException(h3, r3.ex);
2042	>	r1.assertInvoked();
2043	>	r2.assertInvoked();
2044	>	r3.assertInvoked();
2045	>	checkCompletedNormally(f, v1);
2046	>	checkCompletedNormally(g, v2);
2047		}}
2048
2049		/**
#	Line 1555 \| Line 2052 \| public class CompletableFutureTest exten
2052		*/
2053		public void testRunAfterBoth_normalCompletion() {
2054		for (ExecutionMode m : ExecutionMode.values())
1558	–	for (boolean createIncomplete : new boolean[] { true, false })
2055		for (boolean fFirst : new boolean[] { true, false })
2056		for (Integer v1 : new Integer[] { 1, null })
2057		for (Integer v2 : new Integer[] { 2, null })
2058		{
2059		final CompletableFuture<Integer> f = new CompletableFuture<>();
2060		final CompletableFuture<Integer> g = new CompletableFuture<>();
2061	<	final Noop r = new Noop(m);
2062	<
2063	<	if (fFirst) f.complete(v1); else g.complete(v2);
2064	<	if (!createIncomplete)
2065	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2066	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2067	<	if (createIncomplete) {
2068	<	checkIncomplete(h);
2069	<	assertEquals(0, r.invocationCount);
2070	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2071	<	}
2072	<
2073	<	checkCompletedNormally(h, null);
2074	<	assertEquals(1, r.invocationCount);
2061	>	final Noop r1 = new Noop(m);
2062	>	final Noop r2 = new Noop(m);
2063	>	final Noop r3 = new Noop(m);
2064	>
2065	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2066	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2067	>	final Integer w1 = fFirst ? v1 : v2;
2068	>	final Integer w2 = !fFirst ? v1 : v2;
2069	>
2070	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2071	>	assertTrue(fst.complete(w1));
2072	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2073	>	checkIncomplete(h1);
2074	>	checkIncomplete(h2);
2075	>	r1.assertNotInvoked();
2076	>	r2.assertNotInvoked();
2077	>	assertTrue(snd.complete(w2));
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079	>
2080	>	checkCompletedNormally(h1, null);
2081	>	checkCompletedNormally(h2, null);
2082	>	checkCompletedNormally(h3, null);
2083	>	r1.assertInvoked();
2084	>	r2.assertInvoked();
2085	>	r3.assertInvoked();
2086		checkCompletedNormally(f, v1);
2087		checkCompletedNormally(g, v2);
2088		}}
#	Line 1584 \| Line 2091 \| public class CompletableFutureTest exten
2091		* runAfterBoth result completes exceptionally after exceptional
2092		* completion of either source
2093		*/
2094	<	public void testRunAfterBoth_exceptionalCompletion() {
2094	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2095		for (ExecutionMode m : ExecutionMode.values())
1589	–	for (boolean createIncomplete : new boolean[] { true, false })
2096		for (boolean fFirst : new boolean[] { true, false })
2097	+	for (boolean failFirst : new boolean[] { true, false })
2098		for (Integer v1 : new Integer[] { 1, null })
2099		{
2100		final CompletableFuture<Integer> f = new CompletableFuture<>();
2101		final CompletableFuture<Integer> g = new CompletableFuture<>();
2102		final CFException ex = new CFException();
2103	<	final Noop r = new Noop(m);
2104	<
2105	<	(fFirst ? f : g).complete(v1);
2106	<	if (!createIncomplete)
2107	<	(!fFirst ? f : g).completeExceptionally(ex);
2108	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2109	<	if (createIncomplete) {
2110	<	checkIncomplete(h);
2111	<	(!fFirst ? f : g).completeExceptionally(ex);
2112	<	}
2113	<
2114	<	checkCompletedWithWrappedCFException(h, ex);
2115	<	assertEquals(0, r.invocationCount);
2116	<	checkCompletedNormally(fFirst ? f : g, v1);
2117	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2118	<	}}
2119	<
2120	<	/**
2121	<	* runAfterBoth result completes exceptionally if action does
2122	<	*/
2123	<	public void testRunAfterBoth_actionFailed() {
2124	<	for (ExecutionMode m : ExecutionMode.values())
2125	<	for (boolean fFirst : new boolean[] { true, false })
2126	<	for (Integer v1 : new Integer[] { 1, null })
2127	<	for (Integer v2 : new Integer[] { 2, null })
2128	<	{
2129	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2130	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2131	<	final FailingRunnable r = new FailingRunnable(m);
1625	<
1626	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r);
1627	<	if (fFirst) {
1628	<	f.complete(v1);
1629	<	g.complete(v2);
1630	<	} else {
1631	<	g.complete(v2);
1632	<	f.complete(v1);
1633	<	}
1634	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r);
1635	<
1636	<	checkCompletedWithWrappedCFException(h1);
1637	<	checkCompletedWithWrappedCFException(h2);
1638	<	checkCompletedNormally(f, v1);
1639	<	checkCompletedNormally(g, v2);
2103	>	final Noop r1 = new Noop(m);
2104	>	final Noop r2 = new Noop(m);
2105	>	final Noop r3 = new Noop(m);
2106	>
2107	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2108	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2109	>	final Callable<Boolean> complete1 = failFirst ?
2110	>	() -> fst.completeExceptionally(ex) :
2111	>	() -> fst.complete(v1);
2112	>	final Callable<Boolean> complete2 = failFirst ?
2113	>	() -> snd.complete(v1) :
2114	>	() -> snd.completeExceptionally(ex);
2115	>
2116	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2117	>	assertTrue(complete1.call());
2118	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2119	>	checkIncomplete(h1);
2120	>	checkIncomplete(h2);
2121	>	assertTrue(complete2.call());
2122	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2123	>
2124	>	checkCompletedWithWrappedException(h1, ex);
2125	>	checkCompletedWithWrappedException(h2, ex);
2126	>	checkCompletedWithWrappedException(h3, ex);
2127	>	r1.assertNotInvoked();
2128	>	r2.assertNotInvoked();
2129	>	r3.assertNotInvoked();
2130	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2131	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2132		}}
2133
2134		/**
2135		* runAfterBoth result completes exceptionally if either source cancelled
2136		*/
2137	<	public void testRunAfterBoth_sourceCancelled() {
2137	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2138		for (ExecutionMode m : ExecutionMode.values())
2139		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1648	–	for (boolean createIncomplete : new boolean[] { true, false })
2140		for (boolean fFirst : new boolean[] { true, false })
2141	+	for (boolean failFirst : new boolean[] { true, false })
2142		for (Integer v1 : new Integer[] { 1, null })
2143		{
2144		final CompletableFuture<Integer> f = new CompletableFuture<>();
2145		final CompletableFuture<Integer> g = new CompletableFuture<>();
2146	<	final Noop r = new Noop(m);
2147	<
2148	<
2149	<	(fFirst ? f : g).complete(v1);
2150	<	if (!createIncomplete)
2151	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2152	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2153	<	if (createIncomplete) {
2154	<	checkIncomplete(h);
2155	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2156	<	}
2157	<
2158	<	checkCompletedWithWrappedCancellationException(h);
2159	<	checkCancelled(!fFirst ? f : g);
2160	<	assertEquals(0, r.invocationCount);
2161	<	checkCompletedNormally(fFirst ? f : g, v1);
2146	>	final Noop r1 = new Noop(m);
2147	>	final Noop r2 = new Noop(m);
2148	>	final Noop r3 = new Noop(m);
2149	>
2150	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2151	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2152	>	final Callable<Boolean> complete1 = failFirst ?
2153	>	() -> fst.cancel(mayInterruptIfRunning) :
2154	>	() -> fst.complete(v1);
2155	>	final Callable<Boolean> complete2 = failFirst ?
2156	>	() -> snd.complete(v1) :
2157	>	() -> snd.cancel(mayInterruptIfRunning);
2158	>
2159	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2160	>	assertTrue(complete1.call());
2161	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2162	>	checkIncomplete(h1);
2163	>	checkIncomplete(h2);
2164	>	assertTrue(complete2.call());
2165	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2166	>
2167	>	checkCompletedWithWrappedCancellationException(h1);
2168	>	checkCompletedWithWrappedCancellationException(h2);
2169	>	checkCompletedWithWrappedCancellationException(h3);
2170	>	r1.assertNotInvoked();
2171	>	r2.assertNotInvoked();
2172	>	r3.assertNotInvoked();
2173	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2174	>	checkCancelled(failFirst ? fst : snd);
2175		}}
2176
2177		/**
2178	<	* applyToEither result completes normally after normal completion
1674	<	* of either source
2178	>	* runAfterBoth result completes exceptionally if action does
2179		*/
2180	<	public void testApplyToEither_normalCompletion() {
2180	>	public void testRunAfterBoth_actionFailed() {
2181		for (ExecutionMode m : ExecutionMode.values())
1678	–	for (boolean createIncomplete : new boolean[] { true, false })
2182		for (boolean fFirst : new boolean[] { true, false })
2183		for (Integer v1 : new Integer[] { 1, null })
2184		for (Integer v2 : new Integer[] { 2, null })
2185		{
2186		final CompletableFuture<Integer> f = new CompletableFuture<>();
2187		final CompletableFuture<Integer> g = new CompletableFuture<>();
2188	<	final IncFunction r = new IncFunction(m);
2189	<
2190	<	if (!createIncomplete)
2191	<	if (fFirst) f.complete(v1); else g.complete(v2);
2192	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2193	<	if (createIncomplete) {
2194	<	checkIncomplete(h);
2195	<	assertEquals(0, r.invocationCount);
2196	<	if (fFirst) f.complete(v1); else g.complete(v2);
2197	<	}
2198	<	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2199	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2200	<
2188	>	final FailingRunnable r1 = new FailingRunnable(m);
2189	>	final FailingRunnable r2 = new FailingRunnable(m);
2190	>	final FailingRunnable r3 = new FailingRunnable(m);
2191	>
2192	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2193	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2194	>	final Integer w1 = fFirst ? v1 : v2;
2195	>	final Integer w2 = !fFirst ? v1 : v2;
2196	>
2197	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2198	>	assertTrue(fst.complete(w1));
2199	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2200	>	assertTrue(snd.complete(w2));
2201	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2202	>
2203	>	checkCompletedWithWrappedException(h1, r1.ex);
2204	>	checkCompletedWithWrappedException(h2, r2.ex);
2205	>	checkCompletedWithWrappedException(h3, r3.ex);
2206	>	r1.assertInvoked();
2207	>	r2.assertInvoked();
2208	>	r3.assertInvoked();
2209		checkCompletedNormally(f, v1);
2210		checkCompletedNormally(g, v2);
1700	–	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2211		}}
2212
2213	<	public void testApplyToEither_normalCompletionBothAvailable() {
2213	>	/**
2214	>	* applyToEither result completes normally after normal completion
2215	>	* of either source
2216	>	*/
2217	>	public void testApplyToEither_normalCompletion() {
2218		for (ExecutionMode m : ExecutionMode.values())
1705	–	for (boolean fFirst : new boolean[] { true, false })
2219		for (Integer v1 : new Integer[] { 1, null })
2220		for (Integer v2 : new Integer[] { 2, null })
2221		{
2222		final CompletableFuture<Integer> f = new CompletableFuture<>();
2223		final CompletableFuture<Integer> g = new CompletableFuture<>();
2224	<	final IncFunction r = new IncFunction(m);
2224	>	final IncFunction[] rs = new IncFunction[6];
2225	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2226
2227	<	if (fFirst) {
2228	<	f.complete(v1);
2229	<	g.complete(v2);
2230	<	} else {
2231	<	g.complete(v2);
2232	<	f.complete(v1);
2233	<	}
2227	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2228	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2229	>	checkIncomplete(h0);
2230	>	checkIncomplete(h1);
2231	>	rs[0].assertNotInvoked();
2232	>	rs[1].assertNotInvoked();
2233	>	f.complete(v1);
2234	>	checkCompletedNormally(h0, inc(v1));
2235	>	checkCompletedNormally(h1, inc(v1));
2236	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2237	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2238	>	checkCompletedNormally(h2, inc(v1));
2239	>	checkCompletedNormally(h3, inc(v1));
2240	>	g.complete(v2);
2241
2242	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2242	>	// unspecified behavior - both source completions available
2243	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2244	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2245	>	rs[4].assertValue(h4.join());
2246	>	rs[5].assertValue(h5.join());
2247	>	assertTrue(Objects.equals(inc(v1), h4.join()) \|\|
2248	>	Objects.equals(inc(v2), h4.join()));
2249	>	assertTrue(Objects.equals(inc(v1), h5.join()) \|\|
2250	>	Objects.equals(inc(v2), h5.join()));
2251
2252		checkCompletedNormally(f, v1);
2253		checkCompletedNormally(g, v2);
2254	<
2255	<	// unspecified behavior
2256	<	assertTrue(Objects.equals(h.join(), inc(v1)) \|\|
2257	<	Objects.equals(h.join(), inc(v2)));
2258	<	assertEquals(1, r.invocationCount);
2254	>	checkCompletedNormally(h0, inc(v1));
2255	>	checkCompletedNormally(h1, inc(v1));
2256	>	checkCompletedNormally(h2, inc(v1));
2257	>	checkCompletedNormally(h3, inc(v1));
2258	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2259		}}
2260
2261		/**
2262		* applyToEither result completes exceptionally after exceptional
2263		* completion of either source
2264		*/
2265	<	public void testApplyToEither_exceptionalCompletion1() {
2265	>	public void testApplyToEither_exceptionalCompletion() {
2266		for (ExecutionMode m : ExecutionMode.values())
1738	–	for (boolean createIncomplete : new boolean[] { true, false })
1739	–	for (boolean fFirst : new boolean[] { true, false })
2267		for (Integer v1 : new Integer[] { 1, null })
2268		{
2269		final CompletableFuture<Integer> f = new CompletableFuture<>();
2270		final CompletableFuture<Integer> g = new CompletableFuture<>();
2271		final CFException ex = new CFException();
2272	<	final IncFunction r = new IncFunction(m);
2272	>	final IncFunction[] rs = new IncFunction[6];
2273	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2274
2275	<	if (!createIncomplete) (fFirst ? f : g).completeExceptionally(ex);
2276	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2277	<	if (createIncomplete) {
2278	<	checkIncomplete(h);
2279	<	assertEquals(0, r.invocationCount);
2280	<	(fFirst ? f : g).completeExceptionally(ex);
2275	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2276	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2277	>	checkIncomplete(h0);
2278	>	checkIncomplete(h1);
2279	>	rs[0].assertNotInvoked();
2280	>	rs[1].assertNotInvoked();
2281	>	f.completeExceptionally(ex);
2282	>	checkCompletedWithWrappedException(h0, ex);
2283	>	checkCompletedWithWrappedException(h1, ex);
2284	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2285	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2286	>	checkCompletedWithWrappedException(h2, ex);
2287	>	checkCompletedWithWrappedException(h3, ex);
2288	>	g.complete(v1);
2289	>
2290	>	// unspecified behavior - both source completions available
2291	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2292	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2293	>	try {
2294	>	assertEquals(inc(v1), h4.join());
2295	>	rs[4].assertValue(inc(v1));
2296	>	} catch (CompletionException ok) {
2297	>	checkCompletedWithWrappedException(h4, ex);
2298	>	rs[4].assertNotInvoked();
2299	>	}
2300	>	try {
2301	>	assertEquals(inc(v1), h5.join());
2302	>	rs[5].assertValue(inc(v1));
2303	>	} catch (CompletionException ok) {
2304	>	checkCompletedWithWrappedException(h5, ex);
2305	>	rs[5].assertNotInvoked();
2306		}
2307
2308	<	checkCompletedWithWrappedCFException(h, ex);
2309	<	(!fFirst ? f : g).complete(v1);
2310	<
2311	<	assertEquals(0, r.invocationCount);
2312	<	checkCompletedNormally(!fFirst ? f : g, v1);
2313	<	checkCompletedWithWrappedCFException(fFirst ? f : g, ex);
2314	<	checkCompletedWithWrappedCFException(h, ex);
2308	>	checkCompletedExceptionally(f, ex);
2309	>	checkCompletedNormally(g, v1);
2310	>	checkCompletedWithWrappedException(h0, ex);
2311	>	checkCompletedWithWrappedException(h1, ex);
2312	>	checkCompletedWithWrappedException(h2, ex);
2313	>	checkCompletedWithWrappedException(h3, ex);
2314	>	checkCompletedWithWrappedException(h4, ex);
2315	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2316		}}
2317
2318		public void testApplyToEither_exceptionalCompletion2() {
2319		for (ExecutionMode m : ExecutionMode.values())
1766	–	for (boolean reverseArgs : new boolean[] { true, false })
2320		for (boolean fFirst : new boolean[] { true, false })
2321		for (Integer v1 : new Integer[] { 1, null })
2322		{
2323		final CompletableFuture<Integer> f = new CompletableFuture<>();
2324		final CompletableFuture<Integer> g = new CompletableFuture<>();
1772	–	final IncFunction r1 = new IncFunction(m);
1773	–	final IncFunction r2 = new IncFunction(m);
2325		final CFException ex = new CFException();
2326	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
2327	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2328	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2329	<	if (fFirst) {
2330	<	f.complete(v1);
2331	<	g.completeExceptionally(ex);
2332	<	} else {
2333	<	g.completeExceptionally(ex);
2334	<	f.complete(v1);
1784	<	}
1785	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2326	>	final IncFunction[] rs = new IncFunction[6];
2327	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2328	>
2329	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2330	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2331	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2332	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2333	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2334	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2335
2336	<	// unspecified behavior
2336	>	// unspecified behavior - both source completions available
2337	>	try {
2338	>	assertEquals(inc(v1), h0.join());
2339	>	rs[0].assertValue(inc(v1));
2340	>	} catch (CompletionException ok) {
2341	>	checkCompletedWithWrappedException(h0, ex);
2342	>	rs[0].assertNotInvoked();
2343	>	}
2344		try {
2345		assertEquals(inc(v1), h1.join());
2346	<	assertEquals(1, r1.invocationCount);
2346	>	rs[1].assertValue(inc(v1));
2347		} catch (CompletionException ok) {
2348	<	checkCompletedWithWrappedCFException(h1, ex);
2349	<	assertEquals(0, r1.invocationCount);
2348	>	checkCompletedWithWrappedException(h1, ex);
2349	>	rs[1].assertNotInvoked();
2350		}
1795	–
2351		try {
2352		assertEquals(inc(v1), h2.join());
2353	<	assertEquals(1, r2.invocationCount);
2353	>	rs[2].assertValue(inc(v1));
2354		} catch (CompletionException ok) {
2355	<	checkCompletedWithWrappedCFException(h2, ex);
2356	<	assertEquals(0, r2.invocationCount);
2355	>	checkCompletedWithWrappedException(h2, ex);
2356	>	rs[2].assertNotInvoked();
2357	>	}
2358	>	try {
2359	>	assertEquals(inc(v1), h3.join());
2360	>	rs[3].assertValue(inc(v1));
2361	>	} catch (CompletionException ok) {
2362	>	checkCompletedWithWrappedException(h3, ex);
2363	>	rs[3].assertNotInvoked();
2364		}
2365
1804	–	checkCompletedWithWrappedCFException(g, ex);
1805	–	checkCompletedNormally(f, v1);
1806	–	}}
1807	–
1808	–	/**
1809	–	* applyToEither result completes exceptionally if action does
1810	–	*/
1811	–	public void testApplyToEither_actionFailed1() {
1812	–	for (ExecutionMode m : ExecutionMode.values())
1813	–	for (Integer v1 : new Integer[] { 1, null })
1814	–	for (Integer v2 : new Integer[] { 2, null })
1815	–	{
1816	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1817	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1818	–	final FailingFunction r = new FailingFunction(m);
1819	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1820	–
1821	–	f.complete(v1);
1822	–	checkCompletedWithWrappedCFException(h);
1823	–	g.complete(v2);
1824	–	checkCompletedNormally(f, v1);
1825	–	checkCompletedNormally(g, v2);
1826	–	}}
1827	–
1828	–	public void testApplyToEither_actionFailed2() {
1829	–	for (ExecutionMode m : ExecutionMode.values())
1830	–	for (Integer v1 : new Integer[] { 1, null })
1831	–	for (Integer v2 : new Integer[] { 2, null })
1832	–	{
1833	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1834	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1835	–	final FailingFunction r = new FailingFunction(m);
1836	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1837	–
1838	–	g.complete(v2);
1839	–	checkCompletedWithWrappedCFException(h);
1840	–	f.complete(v1);
2366		checkCompletedNormally(f, v1);
2367	<	checkCompletedNormally(g, v2);
2367	>	checkCompletedExceptionally(g, ex);
2368		}}
2369
2370		/**
2371		* applyToEither result completes exceptionally if either source cancelled
2372		*/
2373	<	public void testApplyToEither_sourceCancelled1() {
2373	>	public void testApplyToEither_sourceCancelled() {
2374		for (ExecutionMode m : ExecutionMode.values())
2375		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1851	–	for (boolean createIncomplete : new boolean[] { true, false })
1852	–	for (boolean fFirst : new boolean[] { true, false })
2376		for (Integer v1 : new Integer[] { 1, null })
2377		{
2378		final CompletableFuture<Integer> f = new CompletableFuture<>();
2379		final CompletableFuture<Integer> g = new CompletableFuture<>();
2380	<	final IncFunction r = new IncFunction(m);
2380	>	final IncFunction[] rs = new IncFunction[6];
2381	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2382
2383	<	if (!createIncomplete) assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2384	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2385	<	if (createIncomplete) {
2386	<	checkIncomplete(h);
2387	<	assertEquals(0, r.invocationCount);
2388	<	assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2383	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2384	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2385	>	checkIncomplete(h0);
2386	>	checkIncomplete(h1);
2387	>	rs[0].assertNotInvoked();
2388	>	rs[1].assertNotInvoked();
2389	>	f.cancel(mayInterruptIfRunning);
2390	>	checkCompletedWithWrappedCancellationException(h0);
2391	>	checkCompletedWithWrappedCancellationException(h1);
2392	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2393	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2394	>	checkCompletedWithWrappedCancellationException(h2);
2395	>	checkCompletedWithWrappedCancellationException(h3);
2396	>	g.complete(v1);
2397	>
2398	>	// unspecified behavior - both source completions available
2399	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2400	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2401	>	try {
2402	>	assertEquals(inc(v1), h4.join());
2403	>	rs[4].assertValue(inc(v1));
2404	>	} catch (CompletionException ok) {
2405	>	checkCompletedWithWrappedCancellationException(h4);
2406	>	rs[4].assertNotInvoked();
2407	>	}
2408	>	try {
2409	>	assertEquals(inc(v1), h5.join());
2410	>	rs[5].assertValue(inc(v1));
2411	>	} catch (CompletionException ok) {
2412	>	checkCompletedWithWrappedCancellationException(h5);
2413	>	rs[5].assertNotInvoked();
2414		}
2415
2416	<	checkCompletedWithWrappedCancellationException(h);
2417	<	(!fFirst ? f : g).complete(v1);
2418	<
2419	<	assertEquals(0, r.invocationCount);
2420	<	checkCompletedNormally(!fFirst ? f : g, v1);
2421	<	checkCancelled(fFirst ? f : g);
2422	<	checkCompletedWithWrappedCancellationException(h);
2416	>	checkCancelled(f);
2417	>	checkCompletedNormally(g, v1);
2418	>	checkCompletedWithWrappedCancellationException(h0);
2419	>	checkCompletedWithWrappedCancellationException(h1);
2420	>	checkCompletedWithWrappedCancellationException(h2);
2421	>	checkCompletedWithWrappedCancellationException(h3);
2422	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2423		}}
2424
2425		public void testApplyToEither_sourceCancelled2() {
2426		for (ExecutionMode m : ExecutionMode.values())
2427		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1879	–	for (boolean reverseArgs : new boolean[] { true, false })
2428		for (boolean fFirst : new boolean[] { true, false })
2429		for (Integer v1 : new Integer[] { 1, null })
2430		{
2431		final CompletableFuture<Integer> f = new CompletableFuture<>();
2432		final CompletableFuture<Integer> g = new CompletableFuture<>();
2433	<	final IncFunction r1 = new IncFunction(m);
2434	<	final IncFunction r2 = new IncFunction(m);
1887	<	final CFException ex = new CFException();
1888	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1889	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2433	>	final IncFunction[] rs = new IncFunction[6];
2434	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2435
2436	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2437	<	if (fFirst) {
2438	<	f.complete(v1);
2439	<	assertTrue(g.cancel(mayInterruptIfRunning));
2440	<	} else {
2441	<	assertTrue(g.cancel(mayInterruptIfRunning));
1897	<	f.complete(v1);
1898	<	}
1899	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2436	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2437	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2438	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2439	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2440	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2441	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2442
2443	<	// unspecified behavior
2443	>	// unspecified behavior - both source completions available
2444	>	try {
2445	>	assertEquals(inc(v1), h0.join());
2446	>	rs[0].assertValue(inc(v1));
2447	>	} catch (CompletionException ok) {
2448	>	checkCompletedWithWrappedCancellationException(h0);
2449	>	rs[0].assertNotInvoked();
2450	>	}
2451		try {
2452		assertEquals(inc(v1), h1.join());
2453	<	assertEquals(1, r1.invocationCount);
2453	>	rs[1].assertValue(inc(v1));
2454		} catch (CompletionException ok) {
2455		checkCompletedWithWrappedCancellationException(h1);
2456	<	assertEquals(0, r1.invocationCount);
2456	>	rs[1].assertNotInvoked();
2457		}
1909	–
2458		try {
2459		assertEquals(inc(v1), h2.join());
2460	<	assertEquals(1, r2.invocationCount);
2460	>	rs[2].assertValue(inc(v1));
2461		} catch (CompletionException ok) {
2462		checkCompletedWithWrappedCancellationException(h2);
2463	<	assertEquals(0, r2.invocationCount);
2463	>	rs[2].assertNotInvoked();
2464	>	}
2465	>	try {
2466	>	assertEquals(inc(v1), h3.join());
2467	>	rs[3].assertValue(inc(v1));
2468	>	} catch (CompletionException ok) {
2469	>	checkCompletedWithWrappedCancellationException(h3);
2470	>	rs[3].assertNotInvoked();
2471		}
2472
1918	–	checkCancelled(g);
2473		checkCompletedNormally(f, v1);
2474	+	checkCancelled(g);
2475		}}
2476
2477		/**
2478	<	* acceptEither result completes normally after normal completion
1924	<	* of either source
2478	>	* applyToEither result completes exceptionally if action does
2479		*/
2480	<	public void testAcceptEither_normalCompletion1() {
2480	>	public void testApplyToEither_actionFailed() {
2481		for (ExecutionMode m : ExecutionMode.values())
2482		for (Integer v1 : new Integer[] { 1, null })
2483		for (Integer v2 : new Integer[] { 2, null })
2484		{
2485		final CompletableFuture<Integer> f = new CompletableFuture<>();
2486		final CompletableFuture<Integer> g = new CompletableFuture<>();
2487	<	final IncAction r = new IncAction();
2488	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2487	>	final FailingFunction[] rs = new FailingFunction[6];
2488	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2489
2490	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2491	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2492		f.complete(v1);
2493	<	checkCompletedNormally(h, null);
2494	<	assertEquals(inc(v1), r.value);
2495	<	g.complete(v2);
2496	<
2497	<	checkCompletedNormally(f, v1);
2498	<	checkCompletedNormally(g, v2);
2499	<	checkCompletedNormally(h, null);
1944	<	}}
1945	<
1946	<	public void testAcceptEither_normalCompletion2() {
1947	<	for (ExecutionMode m : ExecutionMode.values())
1948	<	for (Integer v1 : new Integer[] { 1, null })
1949	<	for (Integer v2 : new Integer[] { 2, null })
1950	<	{
1951	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1952	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1953	<	final IncAction r = new IncAction();
1954	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2493	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2494	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2495	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2496	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2497	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2498	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2499	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2500
2501		g.complete(v2);
2502	<	checkCompletedNormally(h, null);
2503	<	assertEquals(inc(v2), r.value);
2504	<	f.complete(v1);
2502	>
2503	>	// unspecified behavior - both source completions available
2504	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2505	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2506	>
2507	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2508	>	assertTrue(Objects.equals(v1, rs[4].value) \|\|
2509	>	Objects.equals(v2, rs[4].value));
2510	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2511	>	assertTrue(Objects.equals(v1, rs[5].value) \|\|
2512	>	Objects.equals(v2, rs[5].value));
2513
2514		checkCompletedNormally(f, v1);
2515		checkCompletedNormally(g, v2);
1963	–	checkCompletedNormally(h, null);
2516		}}
2517
2518	<	public void testAcceptEither_normalCompletion3() {
2518	>	/**
2519	>	* acceptEither result completes normally after normal completion
2520	>	* of either source
2521	>	*/
2522	>	public void testAcceptEither_normalCompletion() {
2523		for (ExecutionMode m : ExecutionMode.values())
2524		for (Integer v1 : new Integer[] { 1, null })
2525		for (Integer v2 : new Integer[] { 2, null })
2526		{
2527		final CompletableFuture<Integer> f = new CompletableFuture<>();
2528		final CompletableFuture<Integer> g = new CompletableFuture<>();
2529	<	final IncAction r = new IncAction();
2529	>	final NoopConsumer[] rs = new NoopConsumer[6];
2530	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2531
2532	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2533	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2534	+	checkIncomplete(h0);
2535	+	checkIncomplete(h1);
2536	+	rs[0].assertNotInvoked();
2537	+	rs[1].assertNotInvoked();
2538		f.complete(v1);
2539	+	checkCompletedNormally(h0, null);
2540	+	checkCompletedNormally(h1, null);
2541	+	rs[0].assertValue(v1);
2542	+	rs[1].assertValue(v1);
2543	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2544	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2545	+	checkCompletedNormally(h2, null);
2546	+	checkCompletedNormally(h3, null);
2547	+	rs[2].assertValue(v1);
2548	+	rs[3].assertValue(v1);
2549		g.complete(v2);
1977	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2550
2551	<	checkCompletedNormally(h, null);
2551	>	// unspecified behavior - both source completions available
2552	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2553	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2554	>	checkCompletedNormally(h4, null);
2555	>	checkCompletedNormally(h5, null);
2556	>	assertTrue(Objects.equals(v1, rs[4].value) \|\|
2557	>	Objects.equals(v2, rs[4].value));
2558	>	assertTrue(Objects.equals(v1, rs[5].value) \|\|
2559	>	Objects.equals(v2, rs[5].value));
2560	>
2561		checkCompletedNormally(f, v1);
2562		checkCompletedNormally(g, v2);
2563	<
2564	<	// unspecified behavior
2565	<	assertTrue(Objects.equals(r.value, inc(v1)) \|\|
2566	<	Objects.equals(r.value, inc(v2)));
2563	>	checkCompletedNormally(h0, null);
2564	>	checkCompletedNormally(h1, null);
2565	>	checkCompletedNormally(h2, null);
2566	>	checkCompletedNormally(h3, null);
2567	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2568		}}
2569
2570		/**
2571		* acceptEither result completes exceptionally after exceptional
2572		* completion of either source
2573		*/
2574	<	public void testAcceptEither_exceptionalCompletion1() {
2574	>	public void testAcceptEither_exceptionalCompletion() {
2575		for (ExecutionMode m : ExecutionMode.values())
2576		for (Integer v1 : new Integer[] { 1, null })
2577		{
2578		final CompletableFuture<Integer> f = new CompletableFuture<>();
2579		final CompletableFuture<Integer> g = new CompletableFuture<>();
1998	–	final IncAction r = new IncAction();
1999	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2580		final CFException ex = new CFException();
2581	+	final NoopConsumer[] rs = new NoopConsumer[6];
2582	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2583
2584	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2585	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2586	+	checkIncomplete(h0);
2587	+	checkIncomplete(h1);
2588	+	rs[0].assertNotInvoked();
2589	+	rs[1].assertNotInvoked();
2590		f.completeExceptionally(ex);
2591	<	checkCompletedWithWrappedCFException(h, ex);
2591	>	checkCompletedWithWrappedException(h0, ex);
2592	>	checkCompletedWithWrappedException(h1, ex);
2593	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2594	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2595	>	checkCompletedWithWrappedException(h2, ex);
2596	>	checkCompletedWithWrappedException(h3, ex);
2597	>
2598		g.complete(v1);
2599
2600	<	assertEquals(0, r.invocationCount);
2600	>	// unspecified behavior - both source completions available
2601	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2602	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2603	>	try {
2604	>	assertNull(h4.join());
2605	>	rs[4].assertValue(v1);
2606	>	} catch (CompletionException ok) {
2607	>	checkCompletedWithWrappedException(h4, ex);
2608	>	rs[4].assertNotInvoked();
2609	>	}
2610	>	try {
2611	>	assertNull(h5.join());
2612	>	rs[5].assertValue(v1);
2613	>	} catch (CompletionException ok) {
2614	>	checkCompletedWithWrappedException(h5, ex);
2615	>	rs[5].assertNotInvoked();
2616	>	}
2617	>
2618	>	checkCompletedExceptionally(f, ex);
2619		checkCompletedNormally(g, v1);
2620	<	checkCompletedWithWrappedCFException(f, ex);
2621	<	checkCompletedWithWrappedCFException(h, ex);
2620	>	checkCompletedWithWrappedException(h0, ex);
2621	>	checkCompletedWithWrappedException(h1, ex);
2622	>	checkCompletedWithWrappedException(h2, ex);
2623	>	checkCompletedWithWrappedException(h3, ex);
2624	>	checkCompletedWithWrappedException(h4, ex);
2625	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2626		}}
2627
2628		public void testAcceptEither_exceptionalCompletion2() {
2629		for (ExecutionMode m : ExecutionMode.values())
2630	+	for (boolean fFirst : new boolean[] { true, false })
2631		for (Integer v1 : new Integer[] { 1, null })
2632		{
2633		final CompletableFuture<Integer> f = new CompletableFuture<>();
2634		final CompletableFuture<Integer> g = new CompletableFuture<>();
2018	–	final IncAction r = new IncAction();
2019	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2020	–	final CFException ex = new CFException();
2021	–
2022	–	g.completeExceptionally(ex);
2023	–	checkCompletedWithWrappedCFException(h, ex);
2024	–	f.complete(v1);
2025	–
2026	–	assertEquals(0, r.invocationCount);
2027	–	checkCompletedNormally(f, v1);
2028	–	checkCompletedWithWrappedCFException(g, ex);
2029	–	checkCompletedWithWrappedCFException(h, ex);
2030	–	}}
2031	–
2032	–	public void testAcceptEither_exceptionalCompletion3() {
2033	–	for (ExecutionMode m : ExecutionMode.values())
2034	–	for (Integer v1 : new Integer[] { 1, null })
2035	–	{
2036	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2037	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2038	–	final IncAction r = new IncAction();
2635		final CFException ex = new CFException();
2636	+	final NoopConsumer[] rs = new NoopConsumer[6];
2637	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2638
2639	<	g.completeExceptionally(ex);
2640	<	f.complete(v1);
2641	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2639	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2640	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2641	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2642	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2643	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2644	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2645
2646	<	// unspecified behavior
2046	<	Integer v;
2646	>	// unspecified behavior - both source completions available
2647		try {
2648	<	assertNull(h.join());
2649	<	assertEquals(1, r.invocationCount);
2050	<	assertEquals(inc(v1), r.value);
2648	>	assertNull(h0.join());
2649	>	rs[0].assertValue(v1);
2650		} catch (CompletionException ok) {
2651	<	checkCompletedWithWrappedCFException(h, ex);
2652	<	assertEquals(0, r.invocationCount);
2651	>	checkCompletedWithWrappedException(h0, ex);
2652	>	rs[0].assertNotInvoked();
2653		}
2055	–
2056	–	checkCompletedWithWrappedCFException(g, ex);
2057	–	checkCompletedNormally(f, v1);
2058	–	}}
2059	–
2060	–	public void testAcceptEither_exceptionalCompletion4() {
2061	–	for (ExecutionMode m : ExecutionMode.values())
2062	–	for (Integer v1 : new Integer[] { 1, null })
2063	–	{
2064	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2065	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2066	–	final IncAction r = new IncAction();
2067	–	final CFException ex = new CFException();
2068	–
2069	–	f.completeExceptionally(ex);
2070	–	g.complete(v1);
2071	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2072	–
2073	–	// unspecified behavior
2074	–	Integer v;
2654		try {
2655	<	assertNull(h.join());
2656	<	assertEquals(1, r.invocationCount);
2078	<	assertEquals(inc(v1), r.value);
2655	>	assertNull(h1.join());
2656	>	rs[1].assertValue(v1);
2657		} catch (CompletionException ok) {
2658	<	checkCompletedWithWrappedCFException(h, ex);
2659	<	assertEquals(0, r.invocationCount);
2658	>	checkCompletedWithWrappedException(h1, ex);
2659	>	rs[1].assertNotInvoked();
2660	>	}
2661	>	try {
2662	>	assertNull(h2.join());
2663	>	rs[2].assertValue(v1);
2664	>	} catch (CompletionException ok) {
2665	>	checkCompletedWithWrappedException(h2, ex);
2666	>	rs[2].assertNotInvoked();
2667	>	}
2668	>	try {
2669	>	assertNull(h3.join());
2670	>	rs[3].assertValue(v1);
2671	>	} catch (CompletionException ok) {
2672	>	checkCompletedWithWrappedException(h3, ex);
2673	>	rs[3].assertNotInvoked();
2674		}
2675
2084	–	checkCompletedWithWrappedCFException(f, ex);
2085	–	checkCompletedNormally(g, v1);
2086	–	}}
2087	–
2088	–	/**
2089	–	* acceptEither result completes exceptionally if action does
2090	–	*/
2091	–	public void testAcceptEither_actionFailed1() {
2092	–	for (ExecutionMode m : ExecutionMode.values())
2093	–	for (Integer v1 : new Integer[] { 1, null })
2094	–	for (Integer v2 : new Integer[] { 2, null })
2095	–	{
2096	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2097	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2098	–	final FailingConsumer r = new FailingConsumer(m);
2099	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2100	–
2101	–	f.complete(v1);
2102	–	checkCompletedWithWrappedCFException(h);
2103	–	g.complete(v2);
2104	–	checkCompletedNormally(f, v1);
2105	–	checkCompletedNormally(g, v2);
2106	–	}}
2107	–
2108	–	public void testAcceptEither_actionFailed2() {
2109	–	for (ExecutionMode m : ExecutionMode.values())
2110	–	for (Integer v1 : new Integer[] { 1, null })
2111	–	for (Integer v2 : new Integer[] { 2, null })
2112	–	{
2113	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2114	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2115	–	final FailingConsumer r = new FailingConsumer(m);
2116	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2117	–
2118	–	g.complete(v2);
2119	–	checkCompletedWithWrappedCFException(h);
2120	–	f.complete(v1);
2676		checkCompletedNormally(f, v1);
2677	<	checkCompletedNormally(g, v2);
2677	>	checkCompletedExceptionally(g, ex);
2678		}}
2679
2680		/**
2681		* acceptEither result completes exceptionally if either source cancelled
2682		*/
2683	<	public void testAcceptEither_sourceCancelled1() {
2129	<	for (ExecutionMode m : ExecutionMode.values())
2130	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2131	<	for (Integer v1 : new Integer[] { 1, null })
2132	<	{
2133	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2134	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2135	<	final IncAction r = new IncAction();
2136	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2137	<
2138	<	assertTrue(f.cancel(mayInterruptIfRunning));
2139	<	checkCompletedWithWrappedCancellationException(h);
2140	<	g.complete(v1);
2141	<
2142	<	checkCancelled(f);
2143	<	assertEquals(0, r.invocationCount);
2144	<	checkCompletedNormally(g, v1);
2145	<	checkCompletedWithWrappedCancellationException(h);
2146	<	}}
2147	<
2148	<	public void testAcceptEither_sourceCancelled2() {
2683	>	public void testAcceptEither_sourceCancelled() {
2684		for (ExecutionMode m : ExecutionMode.values())
2685		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2686		for (Integer v1 : new Integer[] { 1, null })
2687		{
2688		final CompletableFuture<Integer> f = new CompletableFuture<>();
2689		final CompletableFuture<Integer> g = new CompletableFuture<>();
2690	<	final IncAction r = new IncAction();
2691	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2157	<
2158	<	assertTrue(g.cancel(mayInterruptIfRunning));
2159	<	checkCompletedWithWrappedCancellationException(h);
2160	<	f.complete(v1);
2690	>	final NoopConsumer[] rs = new NoopConsumer[6];
2691	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2692
2693	<	checkCancelled(g);
2694	<	assertEquals(0, r.invocationCount);
2695	<	checkCompletedNormally(f, v1);
2696	<	checkCompletedWithWrappedCancellationException(h);
2697	<	}}
2693	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2694	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2695	>	checkIncomplete(h0);
2696	>	checkIncomplete(h1);
2697	>	rs[0].assertNotInvoked();
2698	>	rs[1].assertNotInvoked();
2699	>	f.cancel(mayInterruptIfRunning);
2700	>	checkCompletedWithWrappedCancellationException(h0);
2701	>	checkCompletedWithWrappedCancellationException(h1);
2702	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2703	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2704	>	checkCompletedWithWrappedCancellationException(h2);
2705	>	checkCompletedWithWrappedCancellationException(h3);
2706
2707	<	public void testAcceptEither_sourceCancelled3() {
2169	<	for (ExecutionMode m : ExecutionMode.values())
2170	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2171	<	for (Integer v1 : new Integer[] { 1, null })
2172	<	{
2173	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2174	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2175	<	final IncAction r = new IncAction();
2176	<
2177	<	assertTrue(g.cancel(mayInterruptIfRunning));
2178	<	f.complete(v1);
2179	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2707	>	g.complete(v1);
2708
2709	<	// unspecified behavior
2710	<	Integer v;
2709	>	// unspecified behavior - both source completions available
2710	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2711	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2712		try {
2713	<	assertNull(h.join());
2714	<	assertEquals(1, r.invocationCount);
2186	<	assertEquals(inc(v1), r.value);
2713	>	assertNull(h4.join());
2714	>	rs[4].assertValue(v1);
2715		} catch (CompletionException ok) {
2716	<	checkCompletedWithWrappedCancellationException(h);
2717	<	assertEquals(0, r.invocationCount);
2716	>	checkCompletedWithWrappedCancellationException(h4);
2717	>	rs[4].assertNotInvoked();
2718		}
2191	–
2192	–	checkCancelled(g);
2193	–	checkCompletedNormally(f, v1);
2194	–	}}
2195	–
2196	–	public void testAcceptEither_sourceCancelled4() {
2197	–	for (ExecutionMode m : ExecutionMode.values())
2198	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2199	–	for (Integer v1 : new Integer[] { 1, null })
2200	–	{
2201	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2202	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2203	–	final IncAction r = new IncAction();
2204	–
2205	–	assertTrue(f.cancel(mayInterruptIfRunning));
2206	–	g.complete(v1);
2207	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2208	–
2209	–	// unspecified behavior
2210	–	Integer v;
2719		try {
2720	<	assertNull(h.join());
2721	<	assertEquals(1, r.invocationCount);
2214	<	assertEquals(inc(v1), r.value);
2720	>	assertNull(h5.join());
2721	>	rs[5].assertValue(v1);
2722		} catch (CompletionException ok) {
2723	<	checkCompletedWithWrappedCancellationException(h);
2724	<	assertEquals(0, r.invocationCount);
2723	>	checkCompletedWithWrappedCancellationException(h5);
2724	>	rs[5].assertNotInvoked();
2725		}
2726
2727		checkCancelled(f);
2728		checkCompletedNormally(g, v1);
2729	+	checkCompletedWithWrappedCancellationException(h0);
2730	+	checkCompletedWithWrappedCancellationException(h1);
2731	+	checkCompletedWithWrappedCancellationException(h2);
2732	+	checkCompletedWithWrappedCancellationException(h3);
2733	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2734		}}
2735
2736		/**
2737	<	* runAfterEither result completes normally after normal completion
2226	<	* of either source
2737	>	* acceptEither result completes exceptionally if action does
2738		*/
2739	<	public void testRunAfterEither_normalCompletion1() {
2739	>	public void testAcceptEither_actionFailed() {
2740		for (ExecutionMode m : ExecutionMode.values())
2741		for (Integer v1 : new Integer[] { 1, null })
2742		for (Integer v2 : new Integer[] { 2, null })
2743		{
2744		final CompletableFuture<Integer> f = new CompletableFuture<>();
2745		final CompletableFuture<Integer> g = new CompletableFuture<>();
2746	<	final Noop r = new Noop(m);
2747	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2746	>	final FailingConsumer[] rs = new FailingConsumer[6];
2747	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2748
2749	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2750	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2751		f.complete(v1);
2752	<	checkCompletedNormally(h, null);
2753	<	assertEquals(1, r.invocationCount);
2752	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2753	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2754	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2755	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2756	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2757	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2758	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2759	>
2760		g.complete(v2);
2761
2762	+	// unspecified behavior - both source completions available
2763	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2764	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2765	+
2766	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2767	+	assertTrue(Objects.equals(v1, rs[4].value) \|\|
2768	+	Objects.equals(v2, rs[4].value));
2769	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2770	+	assertTrue(Objects.equals(v1, rs[5].value) \|\|
2771	+	Objects.equals(v2, rs[5].value));
2772	+
2773		checkCompletedNormally(f, v1);
2774		checkCompletedNormally(g, v2);
2245	–	checkCompletedNormally(h, null);
2246	–	assertEquals(1, r.invocationCount);
2775		}}
2776
2777	<	public void testRunAfterEither_normalCompletion2() {
2777	>	/**
2778	>	* runAfterEither result completes normally after normal completion
2779	>	* of either source
2780	>	*/
2781	>	public void testRunAfterEither_normalCompletion() {
2782		for (ExecutionMode m : ExecutionMode.values())
2783		for (Integer v1 : new Integer[] { 1, null })
2784		for (Integer v2 : new Integer[] { 2, null })
2785	+	for (boolean pushNop : new boolean[] { true, false })
2786		{
2787		final CompletableFuture<Integer> f = new CompletableFuture<>();
2788		final CompletableFuture<Integer> g = new CompletableFuture<>();
2789	<	final Noop r = new Noop(m);
2790	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2789	>	final Noop[] rs = new Noop[6];
2790	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2791
2792	<	g.complete(v2);
2793	<	checkCompletedNormally(h, null);
2794	<	assertEquals(1, r.invocationCount);
2792	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2793	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2794	>	checkIncomplete(h0);
2795	>	checkIncomplete(h1);
2796	>	rs[0].assertNotInvoked();
2797	>	rs[1].assertNotInvoked();
2798	>	if (pushNop) { // ad hoc test of intra-completion interference
2799	>	m.thenRun(f, () -> {});
2800	>	m.thenRun(g, () -> {});
2801	>	}
2802		f.complete(v1);
2803	+	checkCompletedNormally(h0, null);
2804	+	checkCompletedNormally(h1, null);
2805	+	rs[0].assertInvoked();
2806	+	rs[1].assertInvoked();
2807	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2808	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2809	+	checkCompletedNormally(h2, null);
2810	+	checkCompletedNormally(h3, null);
2811	+	rs[2].assertInvoked();
2812	+	rs[3].assertInvoked();
2813
2264	–	checkCompletedNormally(f, v1);
2265	–	checkCompletedNormally(g, v2);
2266	–	checkCompletedNormally(h, null);
2267	–	assertEquals(1, r.invocationCount);
2268	–	}}
2269	–
2270	–	public void testRunAfterEither_normalCompletion3() {
2271	–	for (ExecutionMode m : ExecutionMode.values())
2272	–	for (Integer v1 : new Integer[] { 1, null })
2273	–	for (Integer v2 : new Integer[] { 2, null })
2274	–	{
2275	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2276	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2277	–	final Noop r = new Noop(m);
2278	–
2279	–	f.complete(v1);
2814		g.complete(v2);
2281	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2815
2816	<	checkCompletedNormally(h, null);
2816	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2817	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2818	>
2819		checkCompletedNormally(f, v1);
2820		checkCompletedNormally(g, v2);
2821	<	assertEquals(1, r.invocationCount);
2821	>	checkCompletedNormally(h0, null);
2822	>	checkCompletedNormally(h1, null);
2823	>	checkCompletedNormally(h2, null);
2824	>	checkCompletedNormally(h3, null);
2825	>	checkCompletedNormally(h4, null);
2826	>	checkCompletedNormally(h5, null);
2827	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2828		}}
2829
2830		/**
2831		* runAfterEither result completes exceptionally after exceptional
2832		* completion of either source
2833		*/
2834	<	public void testRunAfterEither_exceptionalCompletion1() {
2834	>	public void testRunAfterEither_exceptionalCompletion() {
2835		for (ExecutionMode m : ExecutionMode.values())
2836		for (Integer v1 : new Integer[] { 1, null })
2837		{
2838		final CompletableFuture<Integer> f = new CompletableFuture<>();
2839		final CompletableFuture<Integer> g = new CompletableFuture<>();
2299	–	final Noop r = new Noop(m);
2300	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2840		final CFException ex = new CFException();
2841	+	final Noop[] rs = new Noop[6];
2842	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2843
2844	<	f.completeExceptionally(ex);
2845	<	checkCompletedWithWrappedCFException(h, ex);
2846	<	g.complete(v1);
2844	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2845	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2846	>	checkIncomplete(h0);
2847	>	checkIncomplete(h1);
2848	>	rs[0].assertNotInvoked();
2849	>	rs[1].assertNotInvoked();
2850	>	assertTrue(f.completeExceptionally(ex));
2851	>	checkCompletedWithWrappedException(h0, ex);
2852	>	checkCompletedWithWrappedException(h1, ex);
2853	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2854	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2855	>	checkCompletedWithWrappedException(h2, ex);
2856	>	checkCompletedWithWrappedException(h3, ex);
2857	>
2858	>	assertTrue(g.complete(v1));
2859	>
2860	>	// unspecified behavior - both source completions available
2861	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2862	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2863	>	try {
2864	>	assertNull(h4.join());
2865	>	rs[4].assertInvoked();
2866	>	} catch (CompletionException ok) {
2867	>	checkCompletedWithWrappedException(h4, ex);
2868	>	rs[4].assertNotInvoked();
2869	>	}
2870	>	try {
2871	>	assertNull(h5.join());
2872	>	rs[5].assertInvoked();
2873	>	} catch (CompletionException ok) {
2874	>	checkCompletedWithWrappedException(h5, ex);
2875	>	rs[5].assertNotInvoked();
2876	>	}
2877
2878	<	assertEquals(0, r.invocationCount);
2878	>	checkCompletedExceptionally(f, ex);
2879		checkCompletedNormally(g, v1);
2880	<	checkCompletedWithWrappedCFException(f, ex);
2881	<	checkCompletedWithWrappedCFException(h, ex);
2880	>	checkCompletedWithWrappedException(h0, ex);
2881	>	checkCompletedWithWrappedException(h1, ex);
2882	>	checkCompletedWithWrappedException(h2, ex);
2883	>	checkCompletedWithWrappedException(h3, ex);
2884	>	checkCompletedWithWrappedException(h4, ex);
2885	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2886		}}
2887
2888		public void testRunAfterEither_exceptionalCompletion2() {
2889		for (ExecutionMode m : ExecutionMode.values())
2890	+	for (boolean fFirst : new boolean[] { true, false })
2891		for (Integer v1 : new Integer[] { 1, null })
2892		{
2893		final CompletableFuture<Integer> f = new CompletableFuture<>();
2894		final CompletableFuture<Integer> g = new CompletableFuture<>();
2319	–	final Noop r = new Noop(m);
2320	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2321	–	final CFException ex = new CFException();
2322	–
2323	–	g.completeExceptionally(ex);
2324	–	checkCompletedWithWrappedCFException(h, ex);
2325	–	f.complete(v1);
2326	–
2327	–	assertEquals(0, r.invocationCount);
2328	–	checkCompletedNormally(f, v1);
2329	–	checkCompletedWithWrappedCFException(g, ex);
2330	–	checkCompletedWithWrappedCFException(h, ex);
2331	–	}}
2332	–
2333	–	public void testRunAfterEither_exceptionalCompletion3() {
2334	–	for (ExecutionMode m : ExecutionMode.values())
2335	–	for (Integer v1 : new Integer[] { 1, null })
2336	–	{
2337	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2338	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2339	–	final Noop r = new Noop(m);
2895		final CFException ex = new CFException();
2896	+	final Noop[] rs = new Noop[6];
2897	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2898
2899	<	g.completeExceptionally(ex);
2900	<	f.complete(v1);
2901	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2899	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2900	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2901	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2902	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2903	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2904	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2905
2906	<	// unspecified behavior
2907	<	Integer v;
2906	>	// unspecified behavior - both source completions available
2907	>	try {
2908	>	assertNull(h0.join());
2909	>	rs[0].assertInvoked();
2910	>	} catch (CompletionException ok) {
2911	>	checkCompletedWithWrappedException(h0, ex);
2912	>	rs[0].assertNotInvoked();
2913	>	}
2914	>	try {
2915	>	assertNull(h1.join());
2916	>	rs[1].assertInvoked();
2917	>	} catch (CompletionException ok) {
2918	>	checkCompletedWithWrappedException(h1, ex);
2919	>	rs[1].assertNotInvoked();
2920	>	}
2921	>	try {
2922	>	assertNull(h2.join());
2923	>	rs[2].assertInvoked();
2924	>	} catch (CompletionException ok) {
2925	>	checkCompletedWithWrappedException(h2, ex);
2926	>	rs[2].assertNotInvoked();
2927	>	}
2928		try {
2929	<	assertNull(h.join());
2930	<	assertEquals(1, r.invocationCount);
2929	>	assertNull(h3.join());
2930	>	rs[3].assertInvoked();
2931		} catch (CompletionException ok) {
2932	<	checkCompletedWithWrappedCFException(h, ex);
2933	<	assertEquals(0, r.invocationCount);
2932	>	checkCompletedWithWrappedException(h3, ex);
2933	>	rs[3].assertNotInvoked();
2934		}
2935
2356	–	checkCompletedWithWrappedCFException(g, ex);
2936		checkCompletedNormally(f, v1);
2937	+	checkCompletedExceptionally(g, ex);
2938		}}
2939
2940	<	public void testRunAfterEither_exceptionalCompletion4() {
2940	>	/**
2941	>	* runAfterEither result completes exceptionally if either source cancelled
2942	>	*/
2943	>	public void testRunAfterEither_sourceCancelled() {
2944		for (ExecutionMode m : ExecutionMode.values())
2945	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2946		for (Integer v1 : new Integer[] { 1, null })
2947		{
2948		final CompletableFuture<Integer> f = new CompletableFuture<>();
2949		final CompletableFuture<Integer> g = new CompletableFuture<>();
2950	<	final Noop r = new Noop(m);
2951	<	final CFException ex = new CFException();
2950	>	final Noop[] rs = new Noop[6];
2951	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2952
2953	<	f.completeExceptionally(ex);
2954	<	g.complete(v1);
2955	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2956	<
2957	<	// unspecified behavior
2958	<	Integer v;
2953	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2954	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2955	>	checkIncomplete(h0);
2956	>	checkIncomplete(h1);
2957	>	rs[0].assertNotInvoked();
2958	>	rs[1].assertNotInvoked();
2959	>	f.cancel(mayInterruptIfRunning);
2960	>	checkCompletedWithWrappedCancellationException(h0);
2961	>	checkCompletedWithWrappedCancellationException(h1);
2962	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2963	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2964	>	checkCompletedWithWrappedCancellationException(h2);
2965	>	checkCompletedWithWrappedCancellationException(h3);
2966	>
2967	>	assertTrue(g.complete(v1));
2968	>
2969	>	// unspecified behavior - both source completions available
2970	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2971	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2972	>	try {
2973	>	assertNull(h4.join());
2974	>	rs[4].assertInvoked();
2975	>	} catch (CompletionException ok) {
2976	>	checkCompletedWithWrappedCancellationException(h4);
2977	>	rs[4].assertNotInvoked();
2978	>	}
2979		try {
2980	<	assertNull(h.join());
2981	<	assertEquals(1, r.invocationCount);
2980	>	assertNull(h5.join());
2981	>	rs[5].assertInvoked();
2982		} catch (CompletionException ok) {
2983	<	checkCompletedWithWrappedCFException(h, ex);
2984	<	assertEquals(0, r.invocationCount);
2983	>	checkCompletedWithWrappedCancellationException(h5);
2984	>	rs[5].assertNotInvoked();
2985		}
2986
2987	<	checkCompletedWithWrappedCFException(f, ex);
2987	>	checkCancelled(f);
2988		checkCompletedNormally(g, v1);
2989	+	checkCompletedWithWrappedCancellationException(h0);
2990	+	checkCompletedWithWrappedCancellationException(h1);
2991	+	checkCompletedWithWrappedCancellationException(h2);
2992	+	checkCompletedWithWrappedCancellationException(h3);
2993	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2994		}}
2995
2996		/**
2997		* runAfterEither result completes exceptionally if action does
2998		*/
2999	<	public void testRunAfterEither_actionFailed1() {
2999	>	public void testRunAfterEither_actionFailed() {
3000		for (ExecutionMode m : ExecutionMode.values())
3001		for (Integer v1 : new Integer[] { 1, null })
3002		for (Integer v2 : new Integer[] { 2, null })
3003		{
3004		final CompletableFuture<Integer> f = new CompletableFuture<>();
3005		final CompletableFuture<Integer> g = new CompletableFuture<>();
3006	<	final FailingRunnable r = new FailingRunnable(m);
3007	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3006	>	final FailingRunnable[] rs = new FailingRunnable[6];
3007	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3008	>
3009	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3010	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3011	>	assertTrue(f.complete(v1));
3012	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3013	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3014	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3015	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3016	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3017	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3018	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3019	>	assertTrue(g.complete(v2));
3020	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3021	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3022	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3023	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3024
2400	–	f.complete(v1);
2401	–	checkCompletedWithWrappedCFException(h);
2402	–	g.complete(v2);
3025		checkCompletedNormally(f, v1);
3026		checkCompletedNormally(g, v2);
3027	+	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3028		}}
3029
3030	<	public void testRunAfterEither_actionFailed2() {
3030	>	/**
3031	>	* thenCompose result completes normally after normal completion of source
3032	>	*/
3033	>	public void testThenCompose_normalCompletion() {
3034		for (ExecutionMode m : ExecutionMode.values())
3035	+	for (boolean createIncomplete : new boolean[] { true, false })
3036		for (Integer v1 : new Integer[] { 1, null })
2410	–	for (Integer v2 : new Integer[] { 2, null })
3037		{
3038		final CompletableFuture<Integer> f = new CompletableFuture<>();
3039	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3040	<	final FailingRunnable r = new FailingRunnable(m);
3041	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3039	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3040	>	if (!createIncomplete) assertTrue(f.complete(v1));
3041	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3042	>	if (createIncomplete) assertTrue(f.complete(v1));
3043
3044	<	g.complete(v2);
2418	<	checkCompletedWithWrappedCFException(h);
2419	<	f.complete(v1);
3044	>	checkCompletedNormally(g, inc(v1));
3045		checkCompletedNormally(f, v1);
3046	<	checkCompletedNormally(g, v2);
3046	>	r.assertValue(v1);
3047		}}
3048
3049		/**
3050	<	* runAfterEither result completes exceptionally if either source cancelled
3050	>	* thenCompose result completes exceptionally after exceptional
3051	>	* completion of source
3052		*/
3053	<	public void testRunAfterEither_sourceCancelled1() {
3053	>	public void testThenCompose_exceptionalCompletion() {
3054		for (ExecutionMode m : ExecutionMode.values())
3055	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2430	<	for (Integer v1 : new Integer[] { 1, null })
3055	>	for (boolean createIncomplete : new boolean[] { true, false })
3056		{
3057	+	final CFException ex = new CFException();
3058	+	final CompletableFutureInc r = new CompletableFutureInc(m);
3059		final CompletableFuture<Integer> f = new CompletableFuture<>();
3060	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3061	<	final Noop r = new Noop(m);
3062	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2436	<
2437	<	assertTrue(f.cancel(mayInterruptIfRunning));
2438	<	checkCompletedWithWrappedCancellationException(h);
2439	<	g.complete(v1);
3060	>	if (!createIncomplete) f.completeExceptionally(ex);
3061	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3062	>	if (createIncomplete) f.completeExceptionally(ex);
3063
3064	<	checkCancelled(f);
3065	<	assertEquals(0, r.invocationCount);
3066	<	checkCompletedNormally(g, v1);
2444	<	checkCompletedWithWrappedCancellationException(h);
3064	>	checkCompletedWithWrappedException(g, ex);
3065	>	checkCompletedExceptionally(f, ex);
3066	>	r.assertNotInvoked();
3067		}}
3068
3069	<	public void testRunAfterEither_sourceCancelled2() {
3069	>	/**
3070	>	* thenCompose result completes exceptionally if action does
3071	>	*/
3072	>	public void testThenCompose_actionFailed() {
3073		for (ExecutionMode m : ExecutionMode.values())
3074	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3074	>	for (boolean createIncomplete : new boolean[] { true, false })
3075		for (Integer v1 : new Integer[] { 1, null })
3076		{
3077		final CompletableFuture<Integer> f = new CompletableFuture<>();
3078	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3079	<	final Noop r = new Noop(m);
3080	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3081	<
3082	<	assertTrue(g.cancel(mayInterruptIfRunning));
2458	<	checkCompletedWithWrappedCancellationException(h);
2459	<	f.complete(v1);
3078	>	final FailingCompletableFutureFunction r
3079	>	= new FailingCompletableFutureFunction(m);
3080	>	if (!createIncomplete) assertTrue(f.complete(v1));
3081	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3082	>	if (createIncomplete) assertTrue(f.complete(v1));
3083
3084	<	checkCancelled(g);
2462	<	assertEquals(0, r.invocationCount);
3084	>	checkCompletedWithWrappedException(g, r.ex);
3085		checkCompletedNormally(f, v1);
2464	–	checkCompletedWithWrappedCancellationException(h);
3086		}}
3087
3088	<	public void testRunAfterEither_sourceCancelled3() {
3088	>	/**
3089	>	* thenCompose result completes exceptionally if source cancelled
3090	>	*/
3091	>	public void testThenCompose_sourceCancelled() {
3092		for (ExecutionMode m : ExecutionMode.values())
3093	+	for (boolean createIncomplete : new boolean[] { true, false })
3094		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2470	–	for (Integer v1 : new Integer[] { 1, null })
3095		{
3096		final CompletableFuture<Integer> f = new CompletableFuture<>();
3097	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3098	<	final Noop r = new Noop(m);
3099	<
3100	<	assertTrue(g.cancel(mayInterruptIfRunning));
3101	<	f.complete(v1);
3102	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2479	<
2480	<	// unspecified behavior
2481	<	Integer v;
2482	<	try {
2483	<	assertNull(h.join());
2484	<	assertEquals(1, r.invocationCount);
2485	<	} catch (CompletionException ok) {
2486	<	checkCompletedWithWrappedCancellationException(h);
2487	<	assertEquals(0, r.invocationCount);
3097	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3098	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3099	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3100	>	if (createIncomplete) {
3101	>	checkIncomplete(g);
3102	>	assertTrue(f.cancel(mayInterruptIfRunning));
3103		}
3104
3105	<	checkCancelled(g);
3106	<	checkCompletedNormally(f, v1);
3105	>	checkCompletedWithWrappedCancellationException(g);
3106	>	checkCancelled(f);
3107		}}
3108
3109	<	public void testRunAfterEither_sourceCancelled4() {
3109	>	/**
3110	>	* thenCompose result completes exceptionally if the result of the action does
3111	>	*/
3112	>	public void testThenCompose_actionReturnsFailingFuture() {
3113		for (ExecutionMode m : ExecutionMode.values())
3114	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3114	>	for (int order = 0; order < 6; order++)
3115		for (Integer v1 : new Integer[] { 1, null })
3116		{
3117	+	final CFException ex = new CFException();
3118		final CompletableFuture<Integer> f = new CompletableFuture<>();
3119		final CompletableFuture<Integer> g = new CompletableFuture<>();
3120	<	final Noop r = new Noop(m);
3121	<
3122	<	assertTrue(f.cancel(mayInterruptIfRunning));
3123	<	g.complete(v1);
3124	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
3125	<
3126	<	// unspecified behavior
3127	<	Integer v;
3128	<	try {
3129	<	assertNull(h.join());
3130	<	assertEquals(1, r.invocationCount);
3131	<	} catch (CompletionException ok) {
3132	<	checkCompletedWithWrappedCancellationException(h);
3133	<	assertEquals(0, r.invocationCount);
3120	>	final CompletableFuture<Integer> h;
3121	>	// Test all permutations of orders
3122	>	switch (order) {
3123	>	case 0:
3124	>	assertTrue(f.complete(v1));
3125	>	assertTrue(g.completeExceptionally(ex));
3126	>	h = m.thenCompose(f, (x -> g));
3127	>	break;
3128	>	case 1:
3129	>	assertTrue(f.complete(v1));
3130	>	h = m.thenCompose(f, (x -> g));
3131	>	assertTrue(g.completeExceptionally(ex));
3132	>	break;
3133	>	case 2:
3134	>	assertTrue(g.completeExceptionally(ex));
3135	>	assertTrue(f.complete(v1));
3136	>	h = m.thenCompose(f, (x -> g));
3137	>	break;
3138	>	case 3:
3139	>	assertTrue(g.completeExceptionally(ex));
3140	>	h = m.thenCompose(f, (x -> g));
3141	>	assertTrue(f.complete(v1));
3142	>	break;
3143	>	case 4:
3144	>	h = m.thenCompose(f, (x -> g));
3145	>	assertTrue(f.complete(v1));
3146	>	assertTrue(g.completeExceptionally(ex));
3147	>	break;
3148	>	case 5:
3149	>	h = m.thenCompose(f, (x -> g));
3150	>	assertTrue(f.complete(v1));
3151	>	assertTrue(g.completeExceptionally(ex));
3152	>	break;
3153	>	default: throw new AssertionError();
3154		}
3155
3156	<	checkCancelled(f);
3157	<	checkCompletedNormally(g, v1);
3156	>	checkCompletedExceptionally(g, ex);
3157	>	checkCompletedWithWrappedException(h, ex);
3158	>	checkCompletedNormally(f, v1);
3159		}}
3160
3161		/**
3162	<	* thenCompose result completes normally after normal completion of source
3162	>	* exceptionallyCompose result completes normally after normal
3163	>	* completion of source
3164		*/
3165	<	public void testThenCompose_normalCompletion() {
3165	>	public void testExceptionallyCompose_normalCompletion() {
3166		for (ExecutionMode m : ExecutionMode.values())
3167		for (boolean createIncomplete : new boolean[] { true, false })
3168		for (Integer v1 : new Integer[] { 1, null })
3169		{
3170		final CompletableFuture<Integer> f = new CompletableFuture<>();
3171	<	final CompletableFutureInc r = new CompletableFutureInc(m);
3172	<	if (!createIncomplete) f.complete(v1);
3173	<	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3174	<	if (createIncomplete) f.complete(v1);
3171	>	final ExceptionalCompletableFutureFunction r =
3172	>	new ExceptionalCompletableFutureFunction(m);
3173	>	if (!createIncomplete) assertTrue(f.complete(v1));
3174	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3175	>	if (createIncomplete) assertTrue(f.complete(v1));
3176
2535	–	checkCompletedNormally(g, inc(v1));
3177		checkCompletedNormally(f, v1);
3178	<	assertEquals(1, r.invocationCount);
3178	>	checkCompletedNormally(g, v1);
3179	>	r.assertNotInvoked();
3180		}}
3181
3182		/**
3183	<	* thenCompose result completes exceptionally after exceptional
3183	>	* exceptionallyCompose result completes normally after exceptional
3184		* completion of source
3185		*/
3186	<	public void testThenCompose_exceptionalCompletion() {
3186	>	public void testExceptionallyCompose_exceptionalCompletion() {
3187		for (ExecutionMode m : ExecutionMode.values())
3188		for (boolean createIncomplete : new boolean[] { true, false })
3189		{
3190		final CFException ex = new CFException();
3191	<	final CompletableFutureInc r = new CompletableFutureInc(m);
3191	>	final ExceptionalCompletableFutureFunction r =
3192	>	new ExceptionalCompletableFutureFunction(m);
3193		final CompletableFuture<Integer> f = new CompletableFuture<>();
3194		if (!createIncomplete) f.completeExceptionally(ex);
3195	<	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3195	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3196		if (createIncomplete) f.completeExceptionally(ex);
3197
3198	<	checkCompletedWithWrappedCFException(g, ex);
3199	<	checkCompletedWithWrappedCFException(f, ex);
3200	<	assertEquals(0, r.invocationCount);
3198	>	checkCompletedExceptionally(f, ex);
3199	>	checkCompletedNormally(g, r.value);
3200	>	r.assertInvoked();
3201		}}
3202
3203		/**
3204	<	* thenCompose result completes exceptionally if action does
3204	>	* exceptionallyCompose completes exceptionally on exception if action does
3205		*/
3206	<	public void testThenCompose_actionFailed() {
3206	>	public void testExceptionallyCompose_actionFailed() {
3207		for (ExecutionMode m : ExecutionMode.values())
3208		for (boolean createIncomplete : new boolean[] { true, false })
3209		for (Integer v1 : new Integer[] { 1, null })
3210		{
3211	+	final CFException ex = new CFException();
3212		final CompletableFuture<Integer> f = new CompletableFuture<>();
3213	<	final FailingCompletableFutureFunction r
3214	<	= new FailingCompletableFutureFunction(m);
3215	<	if (!createIncomplete) f.complete(v1);
3216	<	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3217	<	if (createIncomplete) f.complete(v1);
3213	>	final FailingExceptionalCompletableFutureFunction r
3214	>	= new FailingExceptionalCompletableFutureFunction(m);
3215	>	if (!createIncomplete) f.completeExceptionally(ex);
3216	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3217	>	if (createIncomplete) f.completeExceptionally(ex);
3218
3219	<	checkCompletedWithWrappedCFException(g);
3220	<	checkCompletedNormally(f, v1);
3219	>	checkCompletedExceptionally(f, ex);
3220	>	checkCompletedWithWrappedException(g, r.ex);
3221	>	r.assertInvoked();
3222		}}
3223
2579	–	/**
2580	–	* thenCompose result completes exceptionally if source cancelled
2581	–	*/
2582	–	public void testThenCompose_sourceCancelled() {
2583	–	for (ExecutionMode m : ExecutionMode.values())
2584	–	for (boolean createIncomplete : new boolean[] { true, false })
2585	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2586	–	{
2587	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2588	–	final CompletableFutureInc r = new CompletableFutureInc(m);
2589	–	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2590	–	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2591	–	if (createIncomplete) {
2592	–	checkIncomplete(g);
2593	–	assertTrue(f.cancel(mayInterruptIfRunning));
2594	–	}
2595	–
2596	–	checkCompletedWithWrappedCancellationException(g);
2597	–	checkCancelled(f);
2598	–	}}
3224
3225		// other static methods
3226
#	Line 2613 \| Line 3238 \| public class CompletableFutureTest exten
3238		* when all components complete normally
3239		*/
3240		public void testAllOf_normal() throws Exception {
3241	<	for (int k = 1; k < 20; ++k) {
3242	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3243	<	for (int i = 0; i < k; ++i)
3241	>	for (int k = 1; k < 10; k++) {
3242	>	CompletableFuture<Integer>[] fs
3243	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3244	>	for (int i = 0; i < k; i++)
3245	>	fs[i] = new CompletableFuture<>();
3246	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3247	>	for (int i = 0; i < k; i++) {
3248	>	checkIncomplete(f);
3249	>	checkIncomplete(CompletableFuture.allOf(fs));
3250	>	fs[i].complete(one);
3251	>	}
3252	>	checkCompletedNormally(f, null);
3253	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3254	>	}
3255	>	}
3256	>
3257	>	public void testAllOf_normal_backwards() throws Exception {
3258	>	for (int k = 1; k < 10; k++) {
3259	>	CompletableFuture<Integer>[] fs
3260	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3261	>	for (int i = 0; i < k; i++)
3262		fs[i] = new CompletableFuture<>();
3263		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3264	<	for (int i = 0; i < k; ++i) {
3264	>	for (int i = k - 1; i >= 0; i--) {
3265		checkIncomplete(f);
3266		checkIncomplete(CompletableFuture.allOf(fs));
3267		fs[i].complete(one);
#	Line 2628 \| Line 3271 \| public class CompletableFutureTest exten
3271		}
3272		}
3273
3274	+	public void testAllOf_exceptional() throws Exception {
3275	+	for (int k = 1; k < 10; k++) {
3276	+	CompletableFuture<Integer>[] fs
3277	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3278	+	CFException ex = new CFException();
3279	+	for (int i = 0; i < k; i++)
3280	+	fs[i] = new CompletableFuture<>();
3281	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3282	+	for (int i = 0; i < k; i++) {
3283	+	checkIncomplete(f);
3284	+	checkIncomplete(CompletableFuture.allOf(fs));
3285	+	if (i != k / 2) {
3286	+	fs[i].complete(i);
3287	+	checkCompletedNormally(fs[i], i);
3288	+	} else {
3289	+	fs[i].completeExceptionally(ex);
3290	+	checkCompletedExceptionally(fs[i], ex);
3291	+	}
3292	+	}
3293	+	checkCompletedWithWrappedException(f, ex);
3294	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3295	+	}
3296	+	}
3297	+
3298		/**
3299		* anyOf(no component futures) returns an incomplete future
3300		*/
3301		public void testAnyOf_empty() throws Exception {
3302	+	for (Integer v1 : new Integer[] { 1, null })
3303	+	{
3304		CompletableFuture<Object> f = CompletableFuture.anyOf();
3305		checkIncomplete(f);
3306	<	}
3306	>
3307	>	f.complete(v1);
3308	>	checkCompletedNormally(f, v1);
3309	>	}}
3310
3311		/**
3312		* anyOf returns a future completed normally with a value when
3313		* a component future does
3314		*/
3315		public void testAnyOf_normal() throws Exception {
3316	<	for (int k = 0; k < 10; ++k) {
3316	>	for (int k = 0; k < 10; k++) {
3317		CompletableFuture[] fs = new CompletableFuture[k];
3318	<	for (int i = 0; i < k; ++i)
3318	>	for (int i = 0; i < k; i++)
3319		fs[i] = new CompletableFuture<>();
3320		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3321		checkIncomplete(f);
3322	<	for (int i = 0; i < k; ++i) {
3323	<	fs[i].complete(one);
3324	<	checkCompletedNormally(f, one);
3325	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3322	>	for (int i = 0; i < k; i++) {
3323	>	fs[i].complete(i);
3324	>	checkCompletedNormally(f, 0);
3325	>	int x = (int) CompletableFuture.anyOf(fs).join();
3326	>	assertTrue(0 <= x && x <= i);
3327	>	}
3328	>	}
3329	>	}
3330	>	public void testAnyOf_normal_backwards() throws Exception {
3331	>	for (int k = 0; k < 10; k++) {
3332	>	CompletableFuture[] fs = new CompletableFuture[k];
3333	>	for (int i = 0; i < k; i++)
3334	>	fs[i] = new CompletableFuture<>();
3335	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3336	>	checkIncomplete(f);
3337	>	for (int i = k - 1; i >= 0; i--) {
3338	>	fs[i].complete(i);
3339	>	checkCompletedNormally(f, k - 1);
3340	>	int x = (int) CompletableFuture.anyOf(fs).join();
3341	>	assertTrue(i <= x && x <= k - 1);
3342		}
3343		}
3344		}
#	Line 2659 \| Line 3347 \| public class CompletableFutureTest exten
3347		* anyOf result completes exceptionally when any component does.
3348		*/
3349		public void testAnyOf_exceptional() throws Exception {
3350	<	for (int k = 0; k < 10; ++k) {
3350	>	for (int k = 0; k < 10; k++) {
3351	>	CompletableFuture[] fs = new CompletableFuture[k];
3352	>	CFException[] exs = new CFException[k];
3353	>	for (int i = 0; i < k; i++) {
3354	>	fs[i] = new CompletableFuture<>();
3355	>	exs[i] = new CFException();
3356	>	}
3357	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3358	>	checkIncomplete(f);
3359	>	for (int i = 0; i < k; i++) {
3360	>	fs[i].completeExceptionally(exs[i]);
3361	>	checkCompletedWithWrappedException(f, exs[0]);
3362	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3363	>	}
3364	>	}
3365	>	}
3366	>
3367	>	public void testAnyOf_exceptional_backwards() throws Exception {
3368	>	for (int k = 0; k < 10; k++) {
3369		CompletableFuture[] fs = new CompletableFuture[k];
3370	<	for (int i = 0; i < k; ++i)
3370	>	CFException[] exs = new CFException[k];
3371	>	for (int i = 0; i < k; i++) {
3372		fs[i] = new CompletableFuture<>();
3373	+	exs[i] = new CFException();
3374	+	}
3375		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3376		checkIncomplete(f);
3377	<	for (int i = 0; i < k; ++i) {
3378	<	fs[i].completeExceptionally(new CFException());
3379	<	checkCompletedWithWrappedCFException(f);
3377	>	for (int i = k - 1; i >= 0; i--) {
3378	>	fs[i].completeExceptionally(exs[i]);
3379	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3380		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3381		}
3382		}
#	Line 2676 \| Line 3385 \| public class CompletableFutureTest exten
3385		/**
3386		* Completion methods throw NullPointerException with null arguments
3387		*/
3388	+	@SuppressWarnings("FutureReturnValueIgnored")
3389		public void testNPE() {
3390		CompletableFuture<Integer> f = new CompletableFuture<>();
3391		CompletableFuture<Integer> g = new CompletableFuture<>();
3392		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2683	–	CompletableFuture<?> h;
3393		ThreadExecutor exec = new ThreadExecutor();
3394
3395		Runnable[] throwingActions = {
3396		() -> CompletableFuture.supplyAsync(null),
3397		() -> CompletableFuture.supplyAsync(null, exec),
3398	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3398	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3399
3400		() -> CompletableFuture.runAsync(null),
3401		() -> CompletableFuture.runAsync(null, exec),
#	Line 2696 \| Line 3405 \| public class CompletableFutureTest exten
3405
3406		() -> f.thenApply(null),
3407		() -> f.thenApplyAsync(null),
3408	<	() -> f.thenApplyAsync((x) -> x, null),
3408	>	() -> f.thenApplyAsync(x -> x, null),
3409		() -> f.thenApplyAsync(null, exec),
3410
3411		() -> f.thenAccept(null),
3412		() -> f.thenAcceptAsync(null),
3413	<	() -> f.thenAcceptAsync((x) -> {} , null),
3413	>	() -> f.thenAcceptAsync(x -> {} , null),
3414		() -> f.thenAcceptAsync(null, exec),
3415
3416		() -> f.thenRun(null),
#	Line 2736 \| Line 3445 \| public class CompletableFutureTest exten
3445		() -> f.applyToEither(g, null),
3446		() -> f.applyToEitherAsync(g, null),
3447		() -> f.applyToEitherAsync(g, null, exec),
3448	<	() -> f.applyToEither(nullFuture, (x) -> x),
3449	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3450	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3451	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3448	>	() -> f.applyToEither(nullFuture, x -> x),
3449	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3450	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3451	>	() -> f.applyToEitherAsync(g, x -> x, null),
3452
3453		() -> f.acceptEither(g, null),
3454		() -> f.acceptEitherAsync(g, null),
3455		() -> f.acceptEitherAsync(g, null, exec),
3456	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3457	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3458	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3459	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3456	>	() -> f.acceptEither(nullFuture, x -> {}),
3457	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3458	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3459	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3460
3461		() -> f.runAfterEither(g, null),
3462		() -> f.runAfterEitherAsync(g, null),
#	Line 2777 \| Line 3486 \| public class CompletableFutureTest exten
3486		() -> CompletableFuture.anyOf(null, f),
3487
3488		() -> f.obtrudeException(null),
3489	+
3490	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3491	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3492	+	() -> CompletableFuture.delayedExecutor(1L, null),
3493	+
3494	+	() -> f.orTimeout(1L, null),
3495	+	() -> f.completeOnTimeout(42, 1L, null),
3496	+
3497	+	() -> CompletableFuture.failedFuture(null),
3498	+	() -> CompletableFuture.failedStage(null),
3499		};
3500
3501		assertThrows(NullPointerException.class, throwingActions);
#	Line 2784 \| Line 3503 \| public class CompletableFutureTest exten
3503		}
3504
3505		/**
3506	+	* Test submissions to an executor that rejects all tasks.
3507	+	*/
3508	+	public void testRejectingExecutor() {
3509	+	for (Integer v : new Integer[] { 1, null })
3510	+	{
3511	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3512	+
3513	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3514	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3515	+
3516	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3517	+
3518	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3519	+	srcs.add(complete);
3520	+	srcs.add(incomplete);
3521	+
3522	+	for (CompletableFuture<Integer> src : srcs) {
3523	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3524	+	fs.add(src.thenRunAsync(() -> {}, e));
3525	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3526	+	fs.add(src.thenApplyAsync(z -> z, e));
3527	+
3528	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3529	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3530	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3531	+
3532	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3533	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3534	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3535	+
3536	+	fs.add(src.thenComposeAsync(z -> null, e));
3537	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3538	+	fs.add(src.handleAsync((z, t) -> null, e));
3539	+
3540	+	for (CompletableFuture<?> future : fs) {
3541	+	if (src.isDone())
3542	+	checkCompletedWithWrappedException(future, e.ex);
3543	+	else
3544	+	checkIncomplete(future);
3545	+	}
3546	+	futures.addAll(fs);
3547	+	}
3548	+
3549	+	{
3550	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3551	+
3552	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3553	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3554	+
3555	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3556	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3557	+
3558	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3559	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3560	+
3561	+	for (CompletableFuture<?> future : fs)
3562	+	checkIncomplete(future);
3563	+	futures.addAll(fs);
3564	+	}
3565	+
3566	+	{
3567	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3568	+
3569	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3570	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3571	+
3572	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3573	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3574	+
3575	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3576	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3577	+
3578	+	for (CompletableFuture<?> future : fs)
3579	+	checkCompletedWithWrappedException(future, e.ex);
3580	+	futures.addAll(fs);
3581	+	}
3582	+
3583	+	incomplete.complete(v);
3584	+
3585	+	for (CompletableFuture<?> future : futures)
3586	+	checkCompletedWithWrappedException(future, e.ex);
3587	+
3588	+	assertEquals(futures.size(), e.count.get());
3589	+	}}
3590	+
3591	+	/**
3592	+	* Test submissions to an executor that rejects all tasks, but
3593	+	* should never be invoked because the dependent future is
3594	+	* explicitly completed.
3595	+	*/
3596	+	public void testRejectingExecutorNeverInvoked() {
3597	+	for (Integer v : new Integer[] { 1, null })
3598	+	{
3599	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3600	+
3601	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3602	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3603	+
3604	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3605	+
3606	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3607	+	srcs.add(complete);
3608	+	srcs.add(incomplete);
3609	+
3610	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3611	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3612	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3613	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3614	+
3615	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3616	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3617	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3618	+
3619	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3620	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3621	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3622	+
3623	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3624	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3625	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3626	+
3627	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3628	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3629	+
3630	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3631	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3632	+
3633	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3634	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3635	+
3636	+	for (CompletableFuture<?> future : fs)
3637	+	checkIncomplete(future);
3638	+
3639	+	for (CompletableFuture<?> future : fs)
3640	+	future.complete(null);
3641	+
3642	+	incomplete.complete(v);
3643	+
3644	+	for (CompletableFuture<?> future : fs)
3645	+	checkCompletedNormally(future, null);
3646	+
3647	+	assertEquals(0, e.count.get());
3648	+	}}
3649	+
3650	+	/**
3651		* toCompletableFuture returns this CompletableFuture.
3652		*/
3653		public void testToCompletableFuture() {
#	Line 2791 \| Line 3655 \| public class CompletableFutureTest exten
3655		assertSame(f, f.toCompletableFuture());
3656		}
3657
3658	+	// jdk9
3659	+
3660		/**
3661	<	* whenComplete action executes on normal completion, propagating
2796	<	* source result.
3661	>	* newIncompleteFuture returns an incomplete CompletableFuture
3662		*/
3663	<	public void testWhenComplete_normalCompletion1() {
2799	<	for (ExecutionMode m : ExecutionMode.values())
2800	<	for (boolean createIncomplete : new boolean[] { true, false })
3663	>	public void testNewIncompleteFuture() {
3664		for (Integer v1 : new Integer[] { 1, null })
3665		{
3666	<	final AtomicInteger a = new AtomicInteger(0);
3667	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3668	<	if (!createIncomplete) f.complete(v1);
3669	<	final CompletableFuture<Integer> g = m.whenComplete
3670	<	(f,
2808	<	(Integer x, Throwable t) -> {
2809	<	threadAssertSame(x, v1);
2810	<	threadAssertNull(t);
2811	<	a.getAndIncrement();
2812	<	});
2813	<	if (createIncomplete) f.complete(v1);
2814	<
2815	<	checkCompletedNormally(g, v1);
3666	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3667	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3668	>	checkIncomplete(f);
3669	>	checkIncomplete(g);
3670	>	f.complete(v1);
3671		checkCompletedNormally(f, v1);
3672	<	assertEquals(1, a.get());
3672	>	checkIncomplete(g);
3673	>	g.complete(v1);
3674	>	checkCompletedNormally(g, v1);
3675	>	assertSame(g.getClass(), CompletableFuture.class);
3676		}}
3677
3678		/**
3679	<	* whenComplete action executes on exceptional completion, propagating
2822	<	* source result.
3679	>	* completedStage returns a completed CompletionStage
3680		*/
3681	<	public void testWhenComplete_exceptionalCompletion() {
3682	<	for (ExecutionMode m : ExecutionMode.values())
3681	>	public void testCompletedStage() {
3682	>	AtomicInteger x = new AtomicInteger(0);
3683	>	AtomicReference<Throwable> r = new AtomicReference<>();
3684	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3685	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3686	>	assertEquals(x.get(), 1);
3687	>	assertNull(r.get());
3688	>	}
3689	>
3690	>	/**
3691	>	* defaultExecutor by default returns the commonPool if
3692	>	* it supports more than one thread.
3693	>	*/
3694	>	public void testDefaultExecutor() {
3695	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3696	>	Executor e = f.defaultExecutor();
3697	>	Executor c = ForkJoinPool.commonPool();
3698	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3699	>	assertSame(e, c);
3700	>	else
3701	>	assertNotSame(e, c);
3702	>	}
3703	>
3704	>	/**
3705	>	* failedFuture returns a CompletableFuture completed
3706	>	* exceptionally with the given Exception
3707	>	*/
3708	>	public void testFailedFuture() {
3709	>	CFException ex = new CFException();
3710	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3711	>	checkCompletedExceptionally(f, ex);
3712	>	}
3713	>
3714	>	/**
3715	>	* failedFuture(null) throws NPE
3716	>	*/
3717	>	public void testFailedFuture_null() {
3718	>	try {
3719	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3720	>	shouldThrow();
3721	>	} catch (NullPointerException success) {}
3722	>	}
3723	>
3724	>	/**
3725	>	* copy returns a CompletableFuture that is completed normally,
3726	>	* with the same value, when source is.
3727	>	*/
3728	>	public void testCopy_normalCompletion() {
3729		for (boolean createIncomplete : new boolean[] { true, false })
3730		for (Integer v1 : new Integer[] { 1, null })
3731		{
3732	<	final AtomicInteger a = new AtomicInteger(0);
3733	<	final CFException ex = new CFException();
3734	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3732	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3733	>	if (!createIncomplete) assertTrue(f.complete(v1));
3734	>	CompletableFuture<Integer> g = f.copy();
3735	>	if (createIncomplete) {
3736	>	checkIncomplete(f);
3737	>	checkIncomplete(g);
3738	>	assertTrue(f.complete(v1));
3739	>	}
3740	>	checkCompletedNormally(f, v1);
3741	>	checkCompletedNormally(g, v1);
3742	>	}}
3743	>
3744	>	/**
3745	>	* copy returns a CompletableFuture that is completed exceptionally
3746	>	* when source is.
3747	>	*/
3748	>	public void testCopy_exceptionalCompletion() {
3749	>	for (boolean createIncomplete : new boolean[] { true, false })
3750	>	{
3751	>	CFException ex = new CFException();
3752	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3753		if (!createIncomplete) f.completeExceptionally(ex);
3754	<	final CompletableFuture<Integer> g = m.whenComplete
3755	<	(f,
3756	<	(Integer x, Throwable t) -> {
3757	<	threadAssertNull(x);
3758	<	threadAssertSame(t, ex);
3759	<	a.getAndIncrement();
3760	<	});
3761	<	if (createIncomplete) f.completeExceptionally(ex);
2841	<	checkCompletedWithWrappedCFException(f, ex);
2842	<	checkCompletedWithWrappedCFException(g, ex);
2843	<	assertEquals(1, a.get());
3754	>	CompletableFuture<Integer> g = f.copy();
3755	>	if (createIncomplete) {
3756	>	checkIncomplete(f);
3757	>	checkIncomplete(g);
3758	>	f.completeExceptionally(ex);
3759	>	}
3760	>	checkCompletedExceptionally(f, ex);
3761	>	checkCompletedWithWrappedException(g, ex);
3762		}}
3763
3764		/**
3765	<	* whenComplete action executes on cancelled source, propagating
2848	<	* CancellationException.
3765	>	* Completion of a copy does not complete its source.
3766		*/
3767	<	public void testWhenComplete_sourceCancelled() {
3767	>	public void testCopy_oneWayPropagation() {
3768	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3769	>	assertTrue(f.copy().complete(1));
3770	>	assertTrue(f.copy().complete(null));
3771	>	assertTrue(f.copy().cancel(true));
3772	>	assertTrue(f.copy().cancel(false));
3773	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3774	>	checkIncomplete(f);
3775	>	}
3776	>
3777	>	/**
3778	>	* minimalCompletionStage returns a CompletableFuture that is
3779	>	* completed normally, with the same value, when source is.
3780	>	*/
3781	>	public void testMinimalCompletionStage() {
3782	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3783	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3784	>	AtomicInteger x = new AtomicInteger(0);
3785	>	AtomicReference<Throwable> r = new AtomicReference<>();
3786	>	checkIncomplete(f);
3787	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3788	>	f.complete(1);
3789	>	checkCompletedNormally(f, 1);
3790	>	assertEquals(x.get(), 1);
3791	>	assertNull(r.get());
3792	>	}
3793	>
3794	>	/**
3795	>	* minimalCompletionStage returns a CompletableFuture that is
3796	>	* completed exceptionally when source is.
3797	>	*/
3798	>	public void testMinimalCompletionStage2() {
3799	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3800	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3801	>	AtomicInteger x = new AtomicInteger(0);
3802	>	AtomicReference<Throwable> r = new AtomicReference<>();
3803	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3804	>	checkIncomplete(f);
3805	>	CFException ex = new CFException();
3806	>	f.completeExceptionally(ex);
3807	>	checkCompletedExceptionally(f, ex);
3808	>	assertEquals(x.get(), 0);
3809	>	assertEquals(r.get().getCause(), ex);
3810	>	}
3811	>
3812	>	/**
3813	>	* failedStage returns a CompletionStage completed
3814	>	* exceptionally with the given Exception
3815	>	*/
3816	>	public void testFailedStage() {
3817	>	CFException ex = new CFException();
3818	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3819	>	AtomicInteger x = new AtomicInteger(0);
3820	>	AtomicReference<Throwable> r = new AtomicReference<>();
3821	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3822	>	assertEquals(x.get(), 0);
3823	>	assertEquals(r.get(), ex);
3824	>	}
3825	>
3826	>	/**
3827	>	* completeAsync completes with value of given supplier
3828	>	*/
3829	>	public void testCompleteAsync() {
3830	>	for (Integer v1 : new Integer[] { 1, null })
3831	>	{
3832	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3833	>	f.completeAsync(() -> v1);
3834	>	f.join();
3835	>	checkCompletedNormally(f, v1);
3836	>	}}
3837	>
3838	>	/**
3839	>	* completeAsync completes exceptionally if given supplier throws
3840	>	*/
3841	>	public void testCompleteAsync2() {
3842	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3843	>	CFException ex = new CFException();
3844	>	f.completeAsync(() -> { throw ex; });
3845	>	try {
3846	>	f.join();
3847	>	shouldThrow();
3848	>	} catch (CompletionException success) {}
3849	>	checkCompletedWithWrappedException(f, ex);
3850	>	}
3851	>
3852	>	/**
3853	>	* completeAsync with given executor completes with value of given supplier
3854	>	*/
3855	>	public void testCompleteAsync3() {
3856	>	for (Integer v1 : new Integer[] { 1, null })
3857	>	{
3858	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3859	>	ThreadExecutor executor = new ThreadExecutor();
3860	>	f.completeAsync(() -> v1, executor);
3861	>	assertSame(v1, f.join());
3862	>	checkCompletedNormally(f, v1);
3863	>	assertEquals(1, executor.count.get());
3864	>	}}
3865	>
3866	>	/**
3867	>	* completeAsync with given executor completes exceptionally if
3868	>	* given supplier throws
3869	>	*/
3870	>	public void testCompleteAsync4() {
3871	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3872	>	CFException ex = new CFException();
3873	>	ThreadExecutor executor = new ThreadExecutor();
3874	>	f.completeAsync(() -> { throw ex; }, executor);
3875	>	try {
3876	>	f.join();
3877	>	shouldThrow();
3878	>	} catch (CompletionException success) {}
3879	>	checkCompletedWithWrappedException(f, ex);
3880	>	assertEquals(1, executor.count.get());
3881	>	}
3882	>
3883	>	/**
3884	>	* orTimeout completes with TimeoutException if not complete
3885	>	*/
3886	>	public void testOrTimeout_timesOut() {
3887	>	long timeoutMillis = timeoutMillis();
3888	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3889	>	long startTime = System.nanoTime();
3890	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3891	>	checkCompletedWithTimeoutException(f);
3892	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3893	>	}
3894	>
3895	>	/**
3896	>	* orTimeout completes normally if completed before timeout
3897	>	*/
3898	>	public void testOrTimeout_completed() {
3899	>	for (Integer v1 : new Integer[] { 1, null })
3900	>	{
3901	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3902	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3903	>	long startTime = System.nanoTime();
3904	>	f.complete(v1);
3905	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3906	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3907	>	g.complete(v1);
3908	>	checkCompletedNormally(f, v1);
3909	>	checkCompletedNormally(g, v1);
3910	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3911	>	}}
3912	>
3913	>	/**
3914	>	* completeOnTimeout completes with given value if not complete
3915	>	*/
3916	>	public void testCompleteOnTimeout_timesOut() {
3917	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3918	>	() -> testCompleteOnTimeout_timesOut(null));
3919	>	}
3920	>
3921	>	/**
3922	>	* completeOnTimeout completes with given value if not complete
3923	>	*/
3924	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3925	>	long timeoutMillis = timeoutMillis();
3926	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3927	>	long startTime = System.nanoTime();
3928	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3929	>	assertSame(v, f.join());
3930	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3931	>	f.complete(99); // should have no effect
3932	>	checkCompletedNormally(f, v);
3933	>	}
3934	>
3935	>	/**
3936	>	* completeOnTimeout has no effect if completed within timeout
3937	>	*/
3938	>	public void testCompleteOnTimeout_completed() {
3939	>	for (Integer v1 : new Integer[] { 1, null })
3940	>	{
3941	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3942	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3943	>	long startTime = System.nanoTime();
3944	>	f.complete(v1);
3945	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3946	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3947	>	g.complete(v1);
3948	>	checkCompletedNormally(f, v1);
3949	>	checkCompletedNormally(g, v1);
3950	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3951	>	}}
3952	>
3953	>	/**
3954	>	* delayedExecutor returns an executor that delays submission
3955	>	*/
3956	>	public void testDelayedExecutor() {
3957	>	testInParallel(() -> testDelayedExecutor(null, null),
3958	>	() -> testDelayedExecutor(null, 1),
3959	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3960	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3961	>	}
3962	>
3963	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3964	>	long timeoutMillis = timeoutMillis();
3965	>	// Use an "unreasonably long" long timeout to catch lingering threads
3966	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3967	>	final Executor delayer, longDelayer;
3968	>	if (executor == null) {
3969	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3970	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3971	>	} else {
3972	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3973	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3974	>	}
3975	>	long startTime = System.nanoTime();
3976	>	CompletableFuture<Integer> f =
3977	>	CompletableFuture.supplyAsync(() -> v, delayer);
3978	>	CompletableFuture<Integer> g =
3979	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3980	>
3981	>	assertNull(g.getNow(null));
3982	>
3983	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3984	>	long millisElapsed = millisElapsedSince(startTime);
3985	>	assertTrue(millisElapsed >= timeoutMillis);
3986	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3987	>
3988	>	checkCompletedNormally(f, v);
3989	>
3990	>	checkIncomplete(g);
3991	>	assertTrue(g.cancel(true));
3992	>	}
3993	>
3994	>	//--- tests of implementation details; not part of official tck ---
3995	>
3996	>	Object resultOf(CompletableFuture<?> f) {
3997	>	SecurityManager sm = System.getSecurityManager();
3998	>	if (sm != null) {
3999	>	try {
4000	>	System.setSecurityManager(null);
4001	>	} catch (SecurityException giveUp) {
4002	>	return "Reflection not available";
4003	>	}
4004	>	}
4005	>
4006	>	try {
4007	>	java.lang.reflect.Field resultField
4008	>	= CompletableFuture.class.getDeclaredField("result");
4009	>	resultField.setAccessible(true);
4010	>	return resultField.get(f);
4011	>	} catch (Throwable t) {
4012	>	throw new AssertionError(t);
4013	>	} finally {
4014	>	if (sm != null) System.setSecurityManager(sm);
4015	>	}
4016	>	}
4017	>
4018	>	public void testExceptionPropagationReusesResultObject() {
4019	>	if (!testImplementationDetails) return;
4020		for (ExecutionMode m : ExecutionMode.values())
2852	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2853	–	for (boolean createIncomplete : new boolean[] { true, false })
4021		{
4022	<	final AtomicInteger a = new AtomicInteger(0);
4023	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4024	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2858	<	final CompletableFuture<Integer> g = m.whenComplete
2859	<	(f,
2860	<	(Integer x, Throwable t) -> {
2861	<	threadAssertNull(x);
2862	<	threadAssertTrue(t instanceof CancellationException);
2863	<	a.getAndIncrement();
2864	<	});
2865	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4022	>	final CFException ex = new CFException();
4023	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4024	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4025
4026	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
4027	<	checkCompletedWithWrappedCancellationException(g);
4028	<	checkCancelled(f);
4029	<	assertEquals(1, a.get());
4026	>	final Runnable noopRunnable = new Noop(m);
4027	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4028	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4029	>
4030	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4031	>	= new ArrayList<>();
4032	>
4033	>	funs.add(y -> m.thenRun(y, noopRunnable));
4034	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4035	>	funs.add(y -> m.thenApply(y, incFunction));
4036	>
4037	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4038	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4039	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4040	>
4041	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4042	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4043	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4044	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4045	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4046	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4047	>
4048	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4049	>
4050	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4051	>
4052	>	funs.add(y -> CompletableFuture.allOf(y));
4053	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4054	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4055	>	funs.add(y -> CompletableFuture.anyOf(y));
4056	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4057	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4058	>
4059	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4060	>	fun : funs) {
4061	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4062	>	f.completeExceptionally(ex);
4063	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4064	>	checkCompletedWithWrappedException(src, ex);
4065	>	CompletableFuture<?> dep = fun.apply(src);
4066	>	checkCompletedWithWrappedException(dep, ex);
4067	>	assertSame(resultOf(src), resultOf(dep));
4068	>	}
4069	>
4070	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4071	>	fun : funs) {
4072	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4073	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4074	>	CompletableFuture<?> dep = fun.apply(src);
4075	>	f.completeExceptionally(ex);
4076	>	checkCompletedWithWrappedException(src, ex);
4077	>	checkCompletedWithWrappedException(dep, ex);
4078	>	assertSame(resultOf(src), resultOf(dep));
4079	>	}
4080	>
4081	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4082	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4083	>	fun : funs) {
4084	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4085	>	f.cancel(mayInterruptIfRunning);
4086	>	checkCancelled(f);
4087	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4088	>	checkCompletedWithWrappedCancellationException(src);
4089	>	CompletableFuture<?> dep = fun.apply(src);
4090	>	checkCompletedWithWrappedCancellationException(dep);
4091	>	assertSame(resultOf(src), resultOf(dep));
4092	>	}
4093	>
4094	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4095	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4096	>	fun : funs) {
4097	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4098	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4099	>	CompletableFuture<?> dep = fun.apply(src);
4100	>	f.cancel(mayInterruptIfRunning);
4101	>	checkCancelled(f);
4102	>	checkCompletedWithWrappedCancellationException(src);
4103	>	checkCompletedWithWrappedCancellationException(dep);
4104	>	assertSame(resultOf(src), resultOf(dep));
4105	>	}
4106		}}
4107
4108		/**
4109	<	* If a whenComplete action throws an exception when triggered by
4110	<	* a normal completion, it completes exceptionally
4109	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4110	>	*/
4111	>	public void testMinimalCompletionStage_minimality() {
4112	>	if (!testImplementationDetails) return;
4113	>	Function<Method, String> toSignature =
4114	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4115	>	Predicate<Method> isNotStatic =
4116	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4117	>	List<Method> minimalMethods =
4118	>	Stream.of(Object.class, CompletionStage.class)
4119	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4120	>	.filter(isNotStatic)
4121	>	.collect(Collectors.toList());
4122	>	// Methods from CompletableFuture permitted NOT to throw UOE
4123	>	String[] signatureWhitelist = {
4124	>	"newIncompleteFuture[]",
4125	>	"defaultExecutor[]",
4126	>	"minimalCompletionStage[]",
4127	>	"copy[]",
4128	>	};
4129	>	Set<String> permittedMethodSignatures =
4130	>	Stream.concat(minimalMethods.stream().map(toSignature),
4131	>	Stream.of(signatureWhitelist))
4132	>	.collect(Collectors.toSet());
4133	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4134	>	.filter(isNotStatic)
4135	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4136	>	.collect(Collectors.toList());
4137	>
4138	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4139	>	CompletionStage<Integer> min =
4140	>	new CompletableFuture<Integer>().minimalCompletionStage();
4141	>	stages.add(min);
4142	>	stages.add(min.thenApply(x -> x));
4143	>	stages.add(CompletableFuture.completedStage(1));
4144	>	stages.add(CompletableFuture.failedStage(new CFException()));
4145	>
4146	>	List<Method> bugs = new ArrayList<>();
4147	>	for (Method method : allMethods) {
4148	>	Class<?>[] parameterTypes = method.getParameterTypes();
4149	>	Object[] args = new Object[parameterTypes.length];
4150	>	// Manufacture boxed primitives for primitive params
4151	>	for (int i = 0; i < args.length; i++) {
4152	>	Class<?> type = parameterTypes[i];
4153	>	if (parameterTypes[i] == boolean.class)
4154	>	args[i] = false;
4155	>	else if (parameterTypes[i] == int.class)
4156	>	args[i] = 0;
4157	>	else if (parameterTypes[i] == long.class)
4158	>	args[i] = 0L;
4159	>	}
4160	>	for (CompletionStage<Integer> stage : stages) {
4161	>	try {
4162	>	method.invoke(stage, args);
4163	>	bugs.add(method);
4164	>	}
4165	>	catch (java.lang.reflect.InvocationTargetException expected) {
4166	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4167	>	bugs.add(method);
4168	>	// expected.getCause().printStackTrace();
4169	>	}
4170	>	}
4171	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4172	>	}
4173	>	}
4174	>	if (!bugs.isEmpty())
4175	>	throw new Error("Methods did not throw UOE: " + bugs);
4176	>	}
4177	>
4178	>	/**
4179	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4180	>	* is completed normally, with the same value, when source is.
4181		*/
4182	<	public void testWhenComplete_actionFailed() {
4182	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4183		for (boolean createIncomplete : new boolean[] { true, false })
2879	–	for (ExecutionMode m : ExecutionMode.values())
4184		for (Integer v1 : new Integer[] { 1, null })
4185		{
4186	<	final AtomicInteger a = new AtomicInteger(0);
4187	<	final CFException ex = new CFException();
4188	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4189	<	if (!createIncomplete) f.complete(v1);
4190	<	final CompletableFuture<Integer> g = m.whenComplete
4191	<	(f,
4192	<	(Integer x, Throwable t) -> {
4193	<	threadAssertSame(x, v1);
4194	<	threadAssertNull(t);
2891	<	a.getAndIncrement();
2892	<	throw ex;
2893	<	});
2894	<	if (createIncomplete) f.complete(v1);
4186	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4187	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4188	>	if (!createIncomplete) assertTrue(f.complete(v1));
4189	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4190	>	if (createIncomplete) {
4191	>	checkIncomplete(f);
4192	>	checkIncomplete(g);
4193	>	assertTrue(f.complete(v1));
4194	>	}
4195		checkCompletedNormally(f, v1);
4196	<	checkCompletedWithWrappedCFException(g, ex);
2897	<	assertEquals(1, a.get());
4196	>	checkCompletedNormally(g, v1);
4197		}}
4198
4199		/**
4200	<	* If a whenComplete action throws an exception when triggered by
4201	<	* a source completion that also throws an exception, the source
2903	<	* exception takes precedence.
4200	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4201	>	* is completed exceptionally when source is.
4202		*/
4203	<	public void testWhenComplete_actionFailedSourceFailed() {
4203	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4204		for (boolean createIncomplete : new boolean[] { true, false })
4205	<	for (ExecutionMode m : ExecutionMode.values())
4205	>	{
4206	>	CFException ex = new CFException();
4207	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4208	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4209	>	if (!createIncomplete) f.completeExceptionally(ex);
4210	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4211	>	if (createIncomplete) {
4212	>	checkIncomplete(f);
4213	>	checkIncomplete(g);
4214	>	f.completeExceptionally(ex);
4215	>	}
4216	>	checkCompletedExceptionally(f, ex);
4217	>	checkCompletedWithWrappedException(g, ex);
4218	>	}}
4219	>
4220	>	/**
4221	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4222	>	*/
4223	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4224		for (Integer v1 : new Integer[] { 1, null })
4225		{
4226	<	final AtomicInteger a = new AtomicInteger(0);
4227	<	final CFException ex1 = new CFException();
4228	<	final CFException ex2 = new CFException();
4229	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4226	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4227	>	CompletionStage minimal = f.minimalCompletionStage();
4228	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4229	>	assertTrue(g.complete(v1));
4230	>	checkCompletedNormally(g, v1);
4231	>	checkIncomplete(f);
4232	>	checkIncomplete(minimal.toCompletableFuture());
4233	>	}}
4234
4235	<	if (!createIncomplete) f.completeExceptionally(ex1);
4236	<	final CompletableFuture<Integer> g = m.whenComplete
4237	<	(f,
4238	<	(Integer x, Throwable t) -> {
4239	<	threadAssertSame(t, ex1);
4240	<	threadAssertNull(x);
4241	<	a.getAndIncrement();
4242	<	throw ex2;
4243	<	});
4244	<	if (createIncomplete) f.completeExceptionally(ex1);
4235	>	/**
4236	>	* minimalStage.toCompletableFuture().join() awaits completion
4237	>	*/
4238	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4239	>	for (boolean createIncomplete : new boolean[] { true, false })
4240	>	for (Integer v1 : new Integer[] { 1, null })
4241	>	{
4242	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4243	>	if (!createIncomplete) assertTrue(f.complete(v1));
4244	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4245	>	if (createIncomplete) assertTrue(f.complete(v1));
4246	>	assertEquals(v1, minimal.toCompletableFuture().join());
4247	>	assertEquals(v1, minimal.toCompletableFuture().get());
4248	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4249	>	}}
4250
4251	<	checkCompletedWithWrappedCFException(f, ex1);
4252	<	checkCompletedWithWrappedCFException(g, ex1);
4253	<	assertEquals(1, a.get());
4251	>	/**
4252	>	* Completion of a toCompletableFuture copy of a minimal stage
4253	>	* does not complete its source.
4254	>	*/
4255	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4256	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4257	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4258	>	assertTrue(g.toCompletableFuture().complete(1));
4259	>	assertTrue(g.toCompletableFuture().complete(null));
4260	>	assertTrue(g.toCompletableFuture().cancel(true));
4261	>	assertTrue(g.toCompletableFuture().cancel(false));
4262	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4263	>	checkIncomplete(g.toCompletableFuture());
4264	>	f.complete(1);
4265	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4266	>	}
4267	>
4268	>	/** Demo utility method for external reliable toCompletableFuture */
4269	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4270	>	CompletableFuture<T> f = new CompletableFuture<>();
4271	>	stage.handle((T t, Throwable ex) -> {
4272	>	if (ex != null) f.completeExceptionally(ex);
4273	>	else f.complete(t);
4274	>	return null;
4275	>	});
4276	>	return f;
4277	>	}
4278	>
4279	>	/** Demo utility method to join a CompletionStage */
4280	>	static <T> T join(CompletionStage<T> stage) {
4281	>	return toCompletableFuture(stage).join();
4282	>	}
4283	>
4284	>	/**
4285	>	* Joining a minimal stage "by hand" works
4286	>	*/
4287	>	public void testMinimalCompletionStage_join_by_hand() {
4288	>	for (boolean createIncomplete : new boolean[] { true, false })
4289	>	for (Integer v1 : new Integer[] { 1, null })
4290	>	{
4291	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4292	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4293	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4294	>	if (!createIncomplete) assertTrue(f.complete(v1));
4295	>	minimal.thenAccept(x -> g.complete(x));
4296	>	if (createIncomplete) assertTrue(f.complete(v1));
4297	>	g.join();
4298	>	checkCompletedNormally(g, v1);
4299	>	checkCompletedNormally(f, v1);
4300	>	assertEquals(v1, join(minimal));
4301		}}
4302
4303	+	static class Monad {
4304	+	static class ZeroException extends RuntimeException {
4305	+	public ZeroException() { super("monadic zero"); }
4306	+	}
4307	+	// "return", "unit"
4308	+	static <T> CompletableFuture<T> unit(T value) {
4309	+	return completedFuture(value);
4310	+	}
4311	+	// monadic zero ?
4312	+	static <T> CompletableFuture<T> zero() {
4313	+	return failedFuture(new ZeroException());
4314	+	}
4315	+	// >=>
4316	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4317	+	(Function<T, CompletableFuture<U>> f,
4318	+	Function<U, CompletableFuture<V>> g) {
4319	+	return x -> f.apply(x).thenCompose(g);
4320	+	}
4321	+
4322	+	static void assertZero(CompletableFuture<?> f) {
4323	+	try {
4324	+	f.getNow(null);
4325	+	throw new AssertionError("should throw");
4326	+	} catch (CompletionException success) {
4327	+	assertTrue(success.getCause() instanceof ZeroException);
4328	+	}
4329	+	}
4330	+
4331	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4332	+	CompletableFuture<T> g) {
4333	+	T fval = null, gval = null;
4334	+	Throwable fex = null, gex = null;
4335	+
4336	+	try { fval = f.get(); }
4337	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4338	+	catch (Throwable ex) { fex = ex; }
4339	+
4340	+	try { gval = g.get(); }
4341	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4342	+	catch (Throwable ex) { gex = ex; }
4343	+
4344	+	if (fex != null \|\| gex != null)
4345	+	assertSame(fex.getClass(), gex.getClass());
4346	+	else
4347	+	assertEquals(fval, gval);
4348	+	}
4349	+
4350	+	static class PlusFuture<T> extends CompletableFuture<T> {
4351	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4352	+	}
4353	+
4354	+	/** Implements "monadic plus". */
4355	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4356	+	CompletableFuture<? extends T> g) {
4357	+	PlusFuture<T> plus = new PlusFuture<T>();
4358	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4359	+	try {
4360	+	if (ex == null) {
4361	+	if (plus.complete(result))
4362	+	if (plus.firstFailure.get() != null)
4363	+	plus.firstFailure.set(null);
4364	+	}
4365	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4366	+	if (plus.isDone())
4367	+	plus.firstFailure.set(null);
4368	+	}
4369	+	else {
4370	+	// first failure has precedence
4371	+	Throwable first = plus.firstFailure.getAndSet(null);
4372	+
4373	+	// may fail with "Self-suppression not permitted"
4374	+	try { first.addSuppressed(ex); }
4375	+	catch (Exception ignored) {}
4376	+
4377	+	plus.completeExceptionally(first);
4378	+	}
4379	+	} catch (Throwable unexpected) {
4380	+	plus.completeExceptionally(unexpected);
4381	+	}
4382	+	};
4383	+	f.whenComplete(action);
4384	+	g.whenComplete(action);
4385	+	return plus;
4386	+	}
4387	+	}
4388	+
4389	+	/**
4390	+	* CompletableFuture is an additive monad - sort of.
4391	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4392	+	*/
4393	+	public void testAdditiveMonad() throws Throwable {
4394	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4395	+	CompletableFuture<Long> zero = Monad.zero();
4396	+
4397	+	// Some mutually non-commutative functions
4398	+	Function<Long, CompletableFuture<Long>> triple
4399	+	= x -> Monad.unit(3 * x);
4400	+	Function<Long, CompletableFuture<Long>> inc
4401	+	= x -> Monad.unit(x + 1);
4402	+
4403	+	// unit is a right identity: m >>= unit === m
4404	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4405	+	inc.apply(5L));
4406	+	// unit is a left identity: (unit x) >>= f === f x
4407	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4408	+	inc.apply(5L));
4409	+
4410	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4411	+	Monad.assertFutureEquals(
4412	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4413	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4414	+
4415	+	// The case for CompletableFuture as an additive monad is weaker...
4416	+
4417	+	// zero is a monadic zero
4418	+	Monad.assertZero(zero);
4419	+
4420	+	// left zero: zero >>= f === zero
4421	+	Monad.assertZero(zero.thenCompose(inc));
4422	+	// right zero: f >>= (\x -> zero) === zero
4423	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4424	+
4425	+	// f plus zero === f
4426	+	Monad.assertFutureEquals(Monad.unit(5L),
4427	+	Monad.plus(Monad.unit(5L), zero));
4428	+	// zero plus f === f
4429	+	Monad.assertFutureEquals(Monad.unit(5L),
4430	+	Monad.plus(zero, Monad.unit(5L)));
4431	+	// zero plus zero === zero
4432	+	Monad.assertZero(Monad.plus(zero, zero));
4433	+	{
4434	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4435	+	Monad.unit(8L));
4436	+	// non-determinism
4437	+	assertTrue(f.get() == 5L \|\| f.get() == 8L);
4438	+	}
4439	+
4440	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4441	+	// f plus godot === f (doesn't wait for godot)
4442	+	Monad.assertFutureEquals(Monad.unit(5L),
4443	+	Monad.plus(Monad.unit(5L), godot));
4444	+	// godot plus f === f (doesn't wait for godot)
4445	+	Monad.assertFutureEquals(Monad.unit(5L),
4446	+	Monad.plus(godot, Monad.unit(5L)));
4447	+	}
4448	+
4449	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4450	+	@SuppressWarnings("FutureReturnValueIgnored")
4451	+	public void testRecursiveChains() throws Throwable {
4452	+	for (ExecutionMode m : ExecutionMode.values())
4453	+	for (boolean addDeadEnds : new boolean[] { true, false })
4454	+	{
4455	+	final int val = 42;
4456	+	final int n = expensiveTests ? 1_000 : 2;
4457	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4458	+	CompletableFuture<Integer> tail = head;
4459	+	for (int i = 0; i < n; i++) {
4460	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4461	+	tail = m.thenApply(tail, v -> v + 1);
4462	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4463	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4464	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4465	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4466	+	}
4467	+	head.complete(val);
4468	+	assertEquals(val + 3 * n, (int) tail.join());
4469	+	}}
4470	+
4471	+	/**
4472	+	* A single CompletableFuture with many dependents.
4473	+	* A demo of scalability - runtime is O(n).
4474	+	*/
4475	+	@SuppressWarnings("FutureReturnValueIgnored")
4476	+	public void testManyDependents() throws Throwable {
4477	+	final int n = expensiveTests ? 1_000_000 : 10;
4478	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4479	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4480	+	final AtomicInteger count = new AtomicInteger(0);
4481	+	for (int i = 0; i < n; i++) {
4482	+	head.thenRun(() -> count.getAndIncrement());
4483	+	head.thenAccept(x -> count.getAndIncrement());
4484	+	head.thenApply(x -> count.getAndIncrement());
4485	+
4486	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4487	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4488	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4489	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4490	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4491	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4492	+
4493	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4494	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4495	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4496	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4497	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4498	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4499	+	}
4500	+	head.complete(null);
4501	+	assertEquals(5 * 3 * n, count.get());
4502	+	}
4503	+
4504	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4505	+	@SuppressWarnings("FutureReturnValueIgnored")
4506	+	public void testCoCompletionGarbageRetention() throws Throwable {
4507	+	final int n = expensiveTests ? 1_000_000 : 10;
4508	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4509	+	CompletableFuture<Integer> f;
4510	+	for (int i = 0; i < n; i++) {
4511	+	f = new CompletableFuture<>();
4512	+	f.runAfterEither(incomplete, () -> {});
4513	+	f.complete(null);
4514	+
4515	+	f = new CompletableFuture<>();
4516	+	f.acceptEither(incomplete, x -> {});
4517	+	f.complete(null);
4518	+
4519	+	f = new CompletableFuture<>();
4520	+	f.applyToEither(incomplete, x -> x);
4521	+	f.complete(null);
4522	+
4523	+	f = new CompletableFuture<>();
4524	+	CompletableFuture.anyOf(f, incomplete);
4525	+	f.complete(null);
4526	+	}
4527	+
4528	+	for (int i = 0; i < n; i++) {
4529	+	f = new CompletableFuture<>();
4530	+	incomplete.runAfterEither(f, () -> {});
4531	+	f.complete(null);
4532	+
4533	+	f = new CompletableFuture<>();
4534	+	incomplete.acceptEither(f, x -> {});
4535	+	f.complete(null);
4536	+
4537	+	f = new CompletableFuture<>();
4538	+	incomplete.applyToEither(f, x -> x);
4539	+	f.complete(null);
4540	+
4541	+	f = new CompletableFuture<>();
4542	+	CompletableFuture.anyOf(incomplete, f);
4543	+	f.complete(null);
4544	+	}
4545	+	}
4546	+
4547	+	/**
4548	+	* Reproduction recipe for:
4549	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4550	+	* 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
4551	+	*/
4552	+	public void testAnyOfGarbageRetention() throws Throwable {
4553	+	for (Integer v : new Integer[] { 1, null })
4554	+	{
4555	+	final int n = expensiveTests ? 100_000 : 10;
4556	+	CompletableFuture<Integer>[] fs
4557	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4558	+	for (int i = 0; i < fs.length; i++)
4559	+	fs[i] = new CompletableFuture<>();
4560	+	fs[fs.length - 1].complete(v);
4561	+	for (int i = 0; i < n; i++)
4562	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4563	+	}}
4564	+
4565	+	/**
4566	+	* Checks for garbage retention with allOf.
4567	+	*
4568	+	* As of 2016-07, fails with OOME:
4569	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4570	+	*/
4571	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4572	+	final int n = expensiveTests ? 100_000 : 10;
4573	+	CompletableFuture<Integer>[] fs
4574	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4575	+	for (int i = 0; i < fs.length; i++)
4576	+	fs[i] = new CompletableFuture<>();
4577	+	for (int i = 0; i < n; i++)
4578	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4579	+	}
4580	+
4581	+	/**
4582	+	* Checks for garbage retention when a dependent future is
4583	+	* cancelled and garbage-collected.
4584	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4585	+	*
4586	+	* As of 2016-07, fails with OOME:
4587	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4588	+	*/
4589	+	public void testCancelledGarbageRetention() throws Throwable {
4590	+	final int n = expensiveTests ? 100_000 : 10;
4591	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4592	+	for (int i = 0; i < n; i++)
4593	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4594	+	}
4595	+
4596	+	/**
4597	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4598	+	* is invoked many times.
4599	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4600	+	*
4601	+	* As of 2016-07, fails with OOME:
4602	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4603	+	*/
4604	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4605	+	final int n = expensiveTests ? 900_000 : 10;
4606	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4607	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4608	+	for (int i = 0; i < n; i++)
4609	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4610	+	}
4611	+
4612	+	// static <U> U join(CompletionStage<U> stage) {
4613	+	// CompletableFuture<U> f = new CompletableFuture<>();
4614	+	// stage.whenComplete((v, ex) -> {
4615	+	// if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4616	+	// });
4617	+	// return f.join();
4618	+	// }
4619	+
4620	+	// static <U> boolean isDone(CompletionStage<U> stage) {
4621	+	// CompletableFuture<U> f = new CompletableFuture<>();
4622	+	// stage.whenComplete((v, ex) -> {
4623	+	// if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4624	+	// });
4625	+	// return f.isDone();
4626	+	// }
4627	+
4628	+	// static <U> U join2(CompletionStage<U> stage) {
4629	+	// return stage.toCompletableFuture().copy().join();
4630	+	// }
4631	+
4632	+	// static <U> boolean isDone2(CompletionStage<U> stage) {
4633	+	// return stage.toCompletableFuture().copy().isDone();
4634	+	// }
4635	+
4636		}

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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents): Revision 1.58 by jsr166, Mon Jun 2 23:10:08 2014 UTC vs. Revision 1.198 by dl, Mon Sep 17 11:50:55 2018 UTC

Diff Legend

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.58 by jsr166, Mon Jun 2 23:10:08 2014 UTC vs.
Revision 1.198 by dl, Mon Sep 17 11:50:55 2018 UTC