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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.11 by jsr166, Sun Mar 31 18:14:19 2013 UTC vs.
Revision 1.202 by jsr166, Sat Sep 22 22:23:08 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;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	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 41 | 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.join());
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.getNow(null));
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	<	try {
64	<	assertEquals(value, f.get());
65	<	} 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(0L, SECONDS));
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91	<	assertTrue(f.toString().contains("[Completed normally]"));
91	>	assertFalse(f.isCompletedExceptionally());
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
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 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(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	<	assertTrue(success.getCause() instanceof CFException);
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	<	assertTrue(success.getCause() instanceof CFException);
86	<	}
87	<	try {
88	<	f.get();
89	<	shouldThrow();
90	<	} catch (ExecutionException success) {
91	<	assertTrue(success.getCause() instanceof CFException);
135	>	assertSame(cause, success.getCause());
136		} catch (Throwable fail) { threadUnexpectedException(fail); }
137	+
138		try {
139	<	f.get(0L, SECONDS);
139	>	f.get();
140		shouldThrow();
141		} catch (ExecutionException success) {
142	<	assertTrue(success.getCause() instanceof CFException);
142	>	assertSame(cause, success.getCause());
143		} catch (Throwable fail) { threadUnexpectedException(fail); }
144	<	assertTrue(f.isDone());
144	>
145		assertFalse(f.isCancelled());
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.join();
106	<	shouldThrow();
107	<	} catch (CancellationException success) {}
108	<	try {
109	<	f.getNow(null);
110	<	shouldThrow();
111	<	} catch (CancellationException success) {}
112	<	try {
113	<	f.get();
114	<	shouldThrow();
115	<	} catch (CancellationException success) {
116	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
117	<	try {
118	<	f.get(0L, SECONDS);
178	>	f.get(LONG_DELAY_MS, MILLISECONDS);
179		shouldThrow();
180		} catch (CancellationException success) {
181		} catch (Throwable fail) { threadUnexpectedException(fail); }
182	<	assertTrue(f.isDone());
123	<	assertTrue(f.isCancelled());
124	<	}
182	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
183
126	–	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
184		try {
185		f.join();
186		shouldThrow();
187	<	} catch (CompletionException success) {
131	<	assertTrue(success.getCause() instanceof CancellationException);
132	<	}
187	>	} catch (CancellationException success) {}
188		try {
189		f.getNow(null);
190		shouldThrow();
191	<	} catch (CompletionException success) {
137	<	assertTrue(success.getCause() instanceof CancellationException);
138	<	}
191	>	} catch (CancellationException success) {}
192		try {
193		f.get();
194		shouldThrow();
195	<	} catch (ExecutionException success) {
143	<	assertTrue(success.getCause() instanceof CancellationException);
144	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
145	<	try {
146	<	f.get(0L, SECONDS);
147	<	shouldThrow();
148	<	} catch (ExecutionException success) {
149	<	assertTrue(success.getCause() instanceof CancellationException);
195	>	} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
197	+
198	+	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	+
200		assertTrue(f.isDone());
201	<	assertFalse(f.isCancelled());
201	>	assertTrue(f.isCompletedExceptionally());
202	>	assertTrue(f.isCancelled());
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 157 | Line 208 | public class CompletableFutureTest exten
208		* by methods isDone, isCancelled, and getNow
209		*/
210		public void testConstructor() {
211	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
211	>	CompletableFuture<Integer> f = new CompletableFuture<>();
212		checkIncomplete(f);
213		}
214
#	Line 166 | Line 217 | public class CompletableFutureTest exten
217		* isCancelled, join, get, and getNow
218		*/
219		public void testComplete() {
220	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
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
231		* methods isDone, isCancelled, join, get, and getNow
232		*/
233		public void testCompleteExceptionally() {
234	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
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 188 | Line 243 | public class CompletableFutureTest exten
243		* methods isDone, isCancelled, join, get, and getNow
244		*/
245		public void testCancel() {
246	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
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
258		*/
259		public void testObtrudeValue() {
260	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
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);
266		f.obtrudeValue(two);
267		checkCompletedNormally(f, two);
268	<	f = new CompletableFuture<Integer>();
268	>	f = new CompletableFuture<>();
269		f.obtrudeValue(three);
270		checkCompletedNormally(f, three);
271	<	f = new CompletableFuture<Integer>();
271	>	f.obtrudeValue(null);
272	>	checkCompletedNormally(f, null);
273	>	f = new CompletableFuture<>();
274		f.completeExceptionally(new CFException());
275		f.obtrudeValue(four);
276		checkCompletedNormally(f, four);
#	Line 219 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
284	<	checkIncomplete(f);
285	<	f.complete(one);
286	<	checkCompletedNormally(f, one);
287	<	f.obtrudeException(new CFException());
288	<	checkCompletedWithWrappedCFException(f);
289	<	f = new CompletableFuture<Integer>();
290	<	f.obtrudeException(new CFException());
291	<	checkCompletedWithWrappedCFException(f);
292	<	f = new CompletableFuture<Integer>();
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288	>	f = new CompletableFuture<>();
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295	>	f = new CompletableFuture<>();
296	>	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	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
318	<	assertEquals(f.getNumberOfDependents(), 0);
319	<	CompletableFuture g = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 1);
321	<	assertEquals(g.getNumberOfDependents(), 0);
322	<	CompletableFuture h = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 2);
324	<	f.complete(1);
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	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323	>	assertEquals(1, f.getNumberOfDependents());
324	>	assertEquals(0, g.getNumberOfDependents());
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326	>	assertEquals(2, f.getNumberOfDependents());
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	<	assertEquals(f.getNumberOfDependents(), 0);
331	<	assertEquals(g.getNumberOfDependents(), 0);
332	<	}
333	<
330	>	checkCompletedNormally(h, null);
331	>	assertEquals(0, f.getNumberOfDependents());
332	>	assertEquals(0, g.getNumberOfDependents());
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 279 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	static final Supplier<Integer> supplyOne =
385	<	() -> Integer.valueOf(1);
386	<	static final Function<Integer, Integer> inc =
387	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
388	<	static final BiFunction<Integer, Integer, Integer> add =
389	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() + y.intValue());
390	<	static final class IncAction implements Consumer<Integer> {
391	<	int value;
392	<	public void accept(Integer x) { value = x.intValue() + 1; }
384	>	abstract static class CheckedAction {
385	>	int invocationCount = 0;
386	>	final ExecutionMode m;
387	>	CheckedAction(ExecutionMode m) { this.m = m; }
388	>	void invoked() {
389	>	m.checkExecutionMode();
390	>	assertEquals(0, invocationCount++);
391	>	}
392	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
393	>	void assertInvoked() { assertEquals(1, invocationCount); }
394	>	}
395	>
396	>	abstract static class CheckedIntegerAction extends CheckedAction {
397	>	Integer value;
398	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
399	>	void assertValue(Integer expected) {
400	>	assertInvoked();
401	>	assertEquals(expected, value);
402	>	}
403	>	}
404	>
405	>	static class IntegerSupplier extends CheckedAction
406	>	implements Supplier<Integer>
407	>	{
408	>	final Integer value;
409	>	IntegerSupplier(ExecutionMode m, Integer value) {
410	>	super(m);
411	>	this.value = value;
412	>	}
413	>	public Integer get() {
414	>	invoked();
415	>	return value;
416	>	}
417		}
418	<	static final class AddAction implements BiConsumer<Integer, Integer> {
419	<	int 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	>	invoked();
430	>	value = x;
431	>	}
432	>	}
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	>	invoked();
440	>	return value = inc(x);
441	>	}
442	>	}
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	<	value = x.intValue() + y.intValue();
457	>	invoked();
458	>	value = subtract(x, y);
459		}
460		}
461	<	static final class Noop implements Runnable {
462	<	boolean ran;
463	<	public void run() { ran = true; }
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	>	invoked();
468	>	return value = subtract(x, y);
469	>	}
470		}
471
472	<	static final class FailingSupplier implements Supplier<Integer> {
473	<	boolean ran;
474	<	public Integer get() { ran = true; throw new CFException(); }
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474	>	public void run() {
475	>	invoked();
476	>	}
477		}
478	<	static final class FailingConsumer implements Consumer<Integer> {
479	<	boolean ran;
480	<	public void accept(Integer x) { ran = true; throw new CFException(); }
478	>
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	>	invoked();
486	>	throw ex;
487	>	}
488		}
489	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
490	<	boolean ran;
491	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
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	>	invoked();
497	>	value = x;
498	>	throw ex;
499	>	}
500	>	}
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	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511	>	}
512		}
513	<	static final class FailingFunction implements Function<Integer, Integer> {
514	<	boolean ran;
515	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
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	>	invoked();
521	>	value = x;
522	>	throw ex;
523	>	}
524		}
525	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
526	<	boolean ran;
527	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
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	>	invoked();
533	>	value = subtract(x, y);
534	>	throw ex;
535	>	}
536		}
537	<	static final class FailingNoop implements Runnable {
538	<	boolean ran;
539	<	public void run() { ran = true; throw new CFException(); }
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	>	invoked();
543	>	throw ex;
544	>	}
545		}
546
547	<	static final class CompletableFutureInc implements Function<Integer, CompletableFuture<Integer>> {
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	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
553	<	f.complete(Integer.valueOf(x.intValue() + 1));
552	>	invoked();
553	>	value = x;
554	>	CompletableFuture<Integer> f = new CompletableFuture<>();
555	>	assertTrue(f.complete(inc(x)));
556		return f;
557		}
558		}
559
560	<	static final class FailingCompletableFutureFunction implements Function<Integer, CompletableFuture<Integer>> {
561	<	boolean ran;
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	>	return CompletableFuture.completedFuture(value);
578	>	}
579	>	}
580	>
581	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
582	>	implements Function<Integer, CompletableFuture<Integer>>
583	>	{
584	>	final CFException ex;
585	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
586		public CompletableFuture<Integer> apply(Integer x) {
587	<	ran = true; throw new CFException();
587	>	invoked();
588	>	value = x;
589	>	throw ex;
590		}
591		}
592
593	<	// Used for explicit executor tests
594	<	static final class ThreadExecutor implements Executor {
593	>	static class CountingRejectingExecutor implements Executor {
594	>	final RejectedExecutionException ex = new RejectedExecutionException();
595	>	final AtomicInteger count = new AtomicInteger(0);
596		public void execute(Runnable r) {
597	<	new Thread(r).start();
597	>	count.getAndIncrement();
598	>	throw ex;
599		}
600		}
601
602	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
603	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
604	<	}
602	>	// Used for explicit executor tests
603	>	static final class ThreadExecutor implements Executor {
604	>	final AtomicInteger count = new AtomicInteger(0);
605	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
606	>	static boolean startedCurrentThread() {
607	>	return Thread.currentThread().getThreadGroup() == tg;
608	>	}
609
610	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
611	<	public Integer apply(Integer x, Throwable t) {
612	<	return (t == null) ? two : three;
610	>	public void execute(Runnable r) {
611	>	count.getAndIncrement();
612	>	new Thread(tg, r).start();
613		}
614		}
615
616	+	static final boolean defaultExecutorIsCommonPool
617	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
618	+
619	+	/**
620	+	* Permits the testing of parallel code for the 3 different
621	+	* execution modes without copy/pasting all the test methods.
622	+	*/
623	+	enum ExecutionMode {
624	+	SYNC {
625	+	public void checkExecutionMode() {
626	+	assertFalse(ThreadExecutor.startedCurrentThread());
627	+	assertNull(ForkJoinTask.getPool());
628	+	}
629	+	public CompletableFuture<Void> runAsync(Runnable a) {
630	+	throw new UnsupportedOperationException();
631	+	}
632	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
633	+	throw new UnsupportedOperationException();
634	+	}
635	+	public <T> CompletableFuture<Void> thenRun
636	+	(CompletableFuture<T> f, Runnable a) {
637	+	return f.thenRun(a);
638	+	}
639	+	public <T> CompletableFuture<Void> thenAccept
640	+	(CompletableFuture<T> f, Consumer<? super T> a) {
641	+	return f.thenAccept(a);
642	+	}
643	+	public <T,U> CompletableFuture<U> thenApply
644	+	(CompletableFuture<T> f, Function<? super T,U> a) {
645	+	return f.thenApply(a);
646	+	}
647	+	public <T,U> CompletableFuture<U> thenCompose
648	+	(CompletableFuture<T> f,
649	+	Function<? super T,? extends CompletionStage<U>> a) {
650	+	return f.thenCompose(a);
651	+	}
652	+	public <T,U> CompletableFuture<U> handle
653	+	(CompletableFuture<T> f,
654	+	BiFunction<? super T,Throwable,? extends U> a) {
655	+	return f.handle(a);
656	+	}
657	+	public <T> CompletableFuture<T> whenComplete
658	+	(CompletableFuture<T> f,
659	+	BiConsumer<? super T,? super Throwable> a) {
660	+	return f.whenComplete(a);
661	+	}
662	+	public <T,U> CompletableFuture<Void> runAfterBoth
663	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
664	+	return f.runAfterBoth(g, a);
665	+	}
666	+	public <T,U> CompletableFuture<Void> thenAcceptBoth
667	+	(CompletableFuture<T> f,
668	+	CompletionStage<? extends U> g,
669	+	BiConsumer<? super T,? super U> a) {
670	+	return f.thenAcceptBoth(g, a);
671	+	}
672	+	public <T,U,V> CompletableFuture<V> thenCombine
673	+	(CompletableFuture<T> f,
674	+	CompletionStage<? extends U> g,
675	+	BiFunction<? super T,? super U,? extends V> a) {
676	+	return f.thenCombine(g, a);
677	+	}
678	+	public <T> CompletableFuture<Void> runAfterEither
679	+	(CompletableFuture<T> f,
680	+	CompletionStage<?> g,
681	+	java.lang.Runnable a) {
682	+	return f.runAfterEither(g, a);
683	+	}
684	+	public <T> CompletableFuture<Void> acceptEither
685	+	(CompletableFuture<T> f,
686	+	CompletionStage<? extends T> g,
687	+	Consumer<? super T> a) {
688	+	return f.acceptEither(g, a);
689	+	}
690	+	public <T,U> CompletableFuture<U> applyToEither
691	+	(CompletableFuture<T> f,
692	+	CompletionStage<? extends T> g,
693	+	Function<? super T,U> a) {
694	+	return f.applyToEither(g, a);
695	+	}
696	+	public <T> CompletableFuture<T> exceptionally
697	+	(CompletableFuture<T> f,
698	+	Function<Throwable, ? extends T> fn) {
699	+	return f.exceptionally(fn);
700	+	}
701	+	public <T> CompletableFuture<T> exceptionallyCompose
702	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
703	+	return f.exceptionallyCompose(fn);
704	+	}
705	+	},
706	+	ASYNC {
707	+	public void checkExecutionMode() {
708	+	assertEquals(defaultExecutorIsCommonPool,
709	+	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
710	+	}
711	+	public CompletableFuture<Void> runAsync(Runnable a) {
712	+	return CompletableFuture.runAsync(a);
713	+	}
714	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
715	+	return CompletableFuture.supplyAsync(a);
716	+	}
717	+	public <T> CompletableFuture<Void> thenRun
718	+	(CompletableFuture<T> f, Runnable a) {
719	+	return f.thenRunAsync(a);
720	+	}
721	+	public <T> CompletableFuture<Void> thenAccept
722	+	(CompletableFuture<T> f, Consumer<? super T> a) {
723	+	return f.thenAcceptAsync(a);
724	+	}
725	+	public <T,U> CompletableFuture<U> thenApply
726	+	(CompletableFuture<T> f, Function<? super T,U> a) {
727	+	return f.thenApplyAsync(a);
728	+	}
729	+	public <T,U> CompletableFuture<U> thenCompose
730	+	(CompletableFuture<T> f,
731	+	Function<? super T,? extends CompletionStage<U>> a) {
732	+	return f.thenComposeAsync(a);
733	+	}
734	+	public <T,U> CompletableFuture<U> handle
735	+	(CompletableFuture<T> f,
736	+	BiFunction<? super T,Throwable,? extends U> a) {
737	+	return f.handleAsync(a);
738	+	}
739	+	public <T> CompletableFuture<T> whenComplete
740	+	(CompletableFuture<T> f,
741	+	BiConsumer<? super T,? super Throwable> a) {
742	+	return f.whenCompleteAsync(a);
743	+	}
744	+	public <T,U> CompletableFuture<Void> runAfterBoth
745	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
746	+	return f.runAfterBothAsync(g, a);
747	+	}
748	+	public <T,U> CompletableFuture<Void> thenAcceptBoth
749	+	(CompletableFuture<T> f,
750	+	CompletionStage<? extends U> g,
751	+	BiConsumer<? super T,? super U> a) {
752	+	return f.thenAcceptBothAsync(g, a);
753	+	}
754	+	public <T,U,V> CompletableFuture<V> thenCombine
755	+	(CompletableFuture<T> f,
756	+	CompletionStage<? extends U> g,
757	+	BiFunction<? super T,? super U,? extends V> a) {
758	+	return f.thenCombineAsync(g, a);
759	+	}
760	+	public <T> CompletableFuture<Void> runAfterEither
761	+	(CompletableFuture<T> f,
762	+	CompletionStage<?> g,
763	+	java.lang.Runnable a) {
764	+	return f.runAfterEitherAsync(g, a);
765	+	}
766	+	public <T> CompletableFuture<Void> acceptEither
767	+	(CompletableFuture<T> f,
768	+	CompletionStage<? extends T> g,
769	+	Consumer<? super T> a) {
770	+	return f.acceptEitherAsync(g, a);
771	+	}
772	+	public <T,U> CompletableFuture<U> applyToEither
773	+	(CompletableFuture<T> f,
774	+	CompletionStage<? extends T> g,
775	+	Function<? super T,U> a) {
776	+	return f.applyToEitherAsync(g, a);
777	+	}
778	+	public <T> CompletableFuture<T> exceptionally
779	+	(CompletableFuture<T> f,
780	+	Function<Throwable, ? extends T> fn) {
781	+	return f.exceptionallyAsync(fn);
782	+	}
783	+
784	+	public <T> CompletableFuture<T> exceptionallyCompose
785	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
786	+	return f.exceptionallyComposeAsync(fn);
787	+	}
788	+
789	+	},
790	+
791	+	EXECUTOR {
792	+	public void checkExecutionMode() {
793	+	assertTrue(ThreadExecutor.startedCurrentThread());
794	+	}
795	+	public CompletableFuture<Void> runAsync(Runnable a) {
796	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
797	+	}
798	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
799	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
800	+	}
801	+	public <T> CompletableFuture<Void> thenRun
802	+	(CompletableFuture<T> f, Runnable a) {
803	+	return f.thenRunAsync(a, new ThreadExecutor());
804	+	}
805	+	public <T> CompletableFuture<Void> thenAccept
806	+	(CompletableFuture<T> f, Consumer<? super T> a) {
807	+	return f.thenAcceptAsync(a, new ThreadExecutor());
808	+	}
809	+	public <T,U> CompletableFuture<U> thenApply
810	+	(CompletableFuture<T> f, Function<? super T,U> a) {
811	+	return f.thenApplyAsync(a, new ThreadExecutor());
812	+	}
813	+	public <T,U> CompletableFuture<U> thenCompose
814	+	(CompletableFuture<T> f,
815	+	Function<? super T,? extends CompletionStage<U>> a) {
816	+	return f.thenComposeAsync(a, new ThreadExecutor());
817	+	}
818	+	public <T,U> CompletableFuture<U> handle
819	+	(CompletableFuture<T> f,
820	+	BiFunction<? super T,Throwable,? extends U> a) {
821	+	return f.handleAsync(a, new ThreadExecutor());
822	+	}
823	+	public <T> CompletableFuture<T> whenComplete
824	+	(CompletableFuture<T> f,
825	+	BiConsumer<? super T,? super Throwable> a) {
826	+	return f.whenCompleteAsync(a, new ThreadExecutor());
827	+	}
828	+	public <T,U> CompletableFuture<Void> runAfterBoth
829	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
830	+	return f.runAfterBothAsync(g, a, new ThreadExecutor());
831	+	}
832	+	public <T,U> CompletableFuture<Void> thenAcceptBoth
833	+	(CompletableFuture<T> f,
834	+	CompletionStage<? extends U> g,
835	+	BiConsumer<? super T,? super U> a) {
836	+	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
837	+	}
838	+	public <T,U,V> CompletableFuture<V> thenCombine
839	+	(CompletableFuture<T> f,
840	+	CompletionStage<? extends U> g,
841	+	BiFunction<? super T,? super U,? extends V> a) {
842	+	return f.thenCombineAsync(g, a, new ThreadExecutor());
843	+	}
844	+	public <T> CompletableFuture<Void> runAfterEither
845	+	(CompletableFuture<T> f,
846	+	CompletionStage<?> g,
847	+	java.lang.Runnable a) {
848	+	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
849	+	}
850	+	public <T> CompletableFuture<Void> acceptEither
851	+	(CompletableFuture<T> f,
852	+	CompletionStage<? extends T> g,
853	+	Consumer<? super T> a) {
854	+	return f.acceptEitherAsync(g, a, new ThreadExecutor());
855	+	}
856	+	public <T,U> CompletableFuture<U> applyToEither
857	+	(CompletableFuture<T> f,
858	+	CompletionStage<? extends T> g,
859	+	Function<? super T,U> a) {
860	+	return f.applyToEitherAsync(g, a, new ThreadExecutor());
861	+	}
862	+	public <T> CompletableFuture<T> exceptionally
863	+	(CompletableFuture<T> f,
864	+	Function<Throwable, ? extends T> fn) {
865	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
866	+	}
867	+	public <T> CompletableFuture<T> exceptionallyCompose
868	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
869	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
870	+	}
871	+
872	+	};
873	+
874	+	public abstract void checkExecutionMode();
875	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
876	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
877	+	public abstract <T> CompletableFuture<Void> thenRun
878	+	(CompletableFuture<T> f, Runnable a);
879	+	public abstract <T> CompletableFuture<Void> thenAccept
880	+	(CompletableFuture<T> f, Consumer<? super T> a);
881	+	public abstract <T,U> CompletableFuture<U> thenApply
882	+	(CompletableFuture<T> f, Function<? super T,U> a);
883	+	public abstract <T,U> CompletableFuture<U> thenCompose
884	+	(CompletableFuture<T> f,
885	+	Function<? super T,? extends CompletionStage<U>> a);
886	+	public abstract <T,U> CompletableFuture<U> handle
887	+	(CompletableFuture<T> f,
888	+	BiFunction<? super T,Throwable,? extends U> a);
889	+	public abstract <T> CompletableFuture<T> whenComplete
890	+	(CompletableFuture<T> f,
891	+	BiConsumer<? super T,? super Throwable> a);
892	+	public abstract <T,U> CompletableFuture<Void> runAfterBoth
893	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
894	+	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
895	+	(CompletableFuture<T> f,
896	+	CompletionStage<? extends U> g,
897	+	BiConsumer<? super T,? super U> a);
898	+	public abstract <T,U,V> CompletableFuture<V> thenCombine
899	+	(CompletableFuture<T> f,
900	+	CompletionStage<? extends U> g,
901	+	BiFunction<? super T,? super U,? extends V> a);
902	+	public abstract <T> CompletableFuture<Void> runAfterEither
903	+	(CompletableFuture<T> f,
904	+	CompletionStage<?> g,
905	+	java.lang.Runnable a);
906	+	public abstract <T> CompletableFuture<Void> acceptEither
907	+	(CompletableFuture<T> f,
908	+	CompletionStage<? extends T> g,
909	+	Consumer<? super T> a);
910	+	public abstract <T,U> CompletableFuture<U> applyToEither
911	+	(CompletableFuture<T> f,
912	+	CompletionStage<? extends T> g,
913	+	Function<? super T,U> a);
914	+	public abstract <T> CompletableFuture<T> exceptionally
915	+	(CompletableFuture<T> f,
916	+	Function<Throwable, ? extends T> fn);
917	+	public abstract <T> CompletableFuture<T> exceptionallyCompose
918	+	(CompletableFuture<T> f,
919	+	Function<Throwable, ? extends CompletionStage<T>> fn);
920	+	}
921	+
922	+	/**
923	+	* exceptionally action is not invoked when source completes
924	+	* normally, and source result is propagated
925	+	*/
926	+	public void testExceptionally_normalCompletion() {
927	+	for (ExecutionMode m : ExecutionMode.values())
928	+	for (boolean createIncomplete : new boolean[] { true, false })
929	+	for (Integer v1 : new Integer[] { 1, null })
930	+	{
931	+	final AtomicInteger a = new AtomicInteger(0);
932	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
933	+	if (!createIncomplete) assertTrue(f.complete(v1));
934	+	final CompletableFuture<Integer> g = m.exceptionally
935	+	(f, (Throwable t) -> {
936	+	a.getAndIncrement();
937	+	threadFail("should not be called");
938	+	return null;            // unreached
939	+	});
940	+	if (createIncomplete) assertTrue(f.complete(v1));
941	+
942	+	checkCompletedNormally(g, v1);
943	+	checkCompletedNormally(f, v1);
944	+	assertEquals(0, a.get());
945	+	}}
946
947		/**
948		* exceptionally action completes with function value on source
949	<	* exception;  otherwise with source value
949	>	* exception
950		*/
951	<	public void testExceptionally() {
952	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
953	<	ExceptionToInteger r = new ExceptionToInteger();
954	<	CompletableFuture<Integer> g = f.exceptionally(r);
955	<	f.completeExceptionally(new CFException());
956	<	checkCompletedNormally(g, three);
951	>	public void testExceptionally_exceptionalCompletion() {
952	>	for (ExecutionMode m : ExecutionMode.values())
953	>	for (boolean createIncomplete : new boolean[] { true, false })
954	>	for (Integer v1 : new Integer[] { 1, null })
955	>	{
956	>	final AtomicInteger a = new AtomicInteger(0);
957	>	final CFException ex = new CFException();
958	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
959	>	if (!createIncomplete) f.completeExceptionally(ex);
960	>	final CompletableFuture<Integer> g = m.exceptionally
961	>	(f, (Throwable t) -> {
962	>	m.checkExecutionMode();
963	>	threadAssertSame(t, ex);
964	>	a.getAndIncrement();
965	>	return v1;
966	>	});
967	>	if (createIncomplete) f.completeExceptionally(ex);
968	>
969	>	checkCompletedNormally(g, v1);
970	>	assertEquals(1, a.get());
971	>	}}
972	>
973	>	/**
974	>	* If an "exceptionally action" throws an exception, it completes
975	>	* exceptionally with that exception
976	>	*/
977	>	public void testExceptionally_exceptionalCompletionActionFailed() {
978	>	for (ExecutionMode m : ExecutionMode.values())
979	>	for (boolean createIncomplete : new boolean[] { true, false })
980	>	{
981	>	final AtomicInteger a = new AtomicInteger(0);
982	>	final CFException ex1 = new CFException();
983	>	final CFException ex2 = new CFException();
984	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
985	>	if (!createIncomplete) f.completeExceptionally(ex1);
986	>	final CompletableFuture<Integer> g = m.exceptionally
987	>	(f, (Throwable t) -> {
988	>	m.checkExecutionMode();
989	>	threadAssertSame(t, ex1);
990	>	a.getAndIncrement();
991	>	throw ex2;
992	>	});
993	>	if (createIncomplete) f.completeExceptionally(ex1);
994	>
995	>	checkCompletedWithWrappedException(g, ex2);
996	>	checkCompletedExceptionally(f, ex1);
997	>	assertEquals(1, a.get());
998	>	}}
999	>
1000	>	/**
1001	>	* whenComplete action executes on normal completion, propagating
1002	>	* source result.
1003	>	*/
1004	>	public void testWhenComplete_normalCompletion() {
1005	>	for (ExecutionMode m : ExecutionMode.values())
1006	>	for (boolean createIncomplete : new boolean[] { true, false })
1007	>	for (Integer v1 : new Integer[] { 1, null })
1008	>	{
1009	>	final AtomicInteger a = new AtomicInteger(0);
1010	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1011	>	if (!createIncomplete) assertTrue(f.complete(v1));
1012	>	final CompletableFuture<Integer> g = m.whenComplete
1013	>	(f,
1014	>	(Integer result, Throwable t) -> {
1015	>	m.checkExecutionMode();
1016	>	threadAssertSame(result, v1);
1017	>	threadAssertNull(t);
1018	>	a.getAndIncrement();
1019	>	});
1020	>	if (createIncomplete) assertTrue(f.complete(v1));
1021	>
1022	>	checkCompletedNormally(g, v1);
1023	>	checkCompletedNormally(f, v1);
1024	>	assertEquals(1, a.get());
1025	>	}}
1026	>
1027	>	/**
1028	>	* whenComplete action executes on exceptional completion, propagating
1029	>	* source result.
1030	>	*/
1031	>	public void testWhenComplete_exceptionalCompletion() {
1032	>	for (ExecutionMode m : ExecutionMode.values())
1033	>	for (boolean createIncomplete : new boolean[] { true, false })
1034	>	{
1035	>	final AtomicInteger a = new AtomicInteger(0);
1036	>	final CFException ex = new CFException();
1037	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1038	>	if (!createIncomplete) f.completeExceptionally(ex);
1039	>	final CompletableFuture<Integer> g = m.whenComplete
1040	>	(f,
1041	>	(Integer result, Throwable t) -> {
1042	>	m.checkExecutionMode();
1043	>	threadAssertNull(result);
1044	>	threadAssertSame(t, ex);
1045	>	a.getAndIncrement();
1046	>	});
1047	>	if (createIncomplete) f.completeExceptionally(ex);
1048	>
1049	>	checkCompletedWithWrappedException(g, ex);
1050	>	checkCompletedExceptionally(f, ex);
1051	>	assertEquals(1, a.get());
1052	>	}}
1053	>
1054	>	/**
1055	>	* whenComplete action executes on cancelled source, propagating
1056	>	* CancellationException.
1057	>	*/
1058	>	public void testWhenComplete_sourceCancelled() {
1059	>	for (ExecutionMode m : ExecutionMode.values())
1060	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1061	>	for (boolean createIncomplete : new boolean[] { true, false })
1062	>	{
1063	>	final AtomicInteger a = new AtomicInteger(0);
1064	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1065	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1066	>	final CompletableFuture<Integer> g = m.whenComplete
1067	>	(f,
1068	>	(Integer result, Throwable t) -> {
1069	>	m.checkExecutionMode();
1070	>	threadAssertNull(result);
1071	>	threadAssertTrue(t instanceof CancellationException);
1072	>	a.getAndIncrement();
1073	>	});
1074	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1075
1076	<	f = new CompletableFuture<Integer>();
1077	<	r = new ExceptionToInteger();
1078	<	g = f.exceptionally(r);
1079	<	f.complete(one);
376	<	checkCompletedNormally(g, one);
377	<	}
1076	>	checkCompletedWithWrappedCancellationException(g);
1077	>	checkCancelled(f);
1078	>	assertEquals(1, a.get());
1079	>	}}
1080
1081		/**
1082	<	* handle action completes normally with function value on either
1083	<	* normal or exceptional completion of source
1082	>	* If a whenComplete action throws an exception when triggered by
1083	>	* a normal completion, it completes exceptionally
1084		*/
1085	<	public void testHandle() {
1086	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1087	<	IntegerHandler r = new IntegerHandler();
1088	<	CompletableFuture<Integer> g = f.handle(r);
1089	<	f.completeExceptionally(new CFException());
1090	<	checkCompletedNormally(g, three);
1085	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1086	>	for (boolean createIncomplete : new boolean[] { true, false })
1087	>	for (ExecutionMode m : ExecutionMode.values())
1088	>	for (Integer v1 : new Integer[] { 1, null })
1089	>	{
1090	>	final AtomicInteger a = new AtomicInteger(0);
1091	>	final CFException ex = new CFException();
1092	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1093	>	if (!createIncomplete) assertTrue(f.complete(v1));
1094	>	final CompletableFuture<Integer> g = m.whenComplete
1095	>	(f,
1096	>	(Integer result, Throwable t) -> {
1097	>	m.checkExecutionMode();
1098	>	threadAssertSame(result, v1);
1099	>	threadAssertNull(t);
1100	>	a.getAndIncrement();
1101	>	throw ex;
1102	>	});
1103	>	if (createIncomplete) assertTrue(f.complete(v1));
1104	>
1105	>	checkCompletedWithWrappedException(g, ex);
1106	>	checkCompletedNormally(f, v1);
1107	>	assertEquals(1, a.get());
1108	>	}}
1109	>
1110	>	/**
1111	>	* If a whenComplete action throws an exception when triggered by
1112	>	* a source completion that also throws an exception, the source
1113	>	* exception takes precedence (unlike handle)
1114	>	*/
1115	>	public void testWhenComplete_sourceFailedActionFailed() {
1116	>	for (boolean createIncomplete : new boolean[] { true, false })
1117	>	for (ExecutionMode m : ExecutionMode.values())
1118	>	{
1119	>	final AtomicInteger a = new AtomicInteger(0);
1120	>	final CFException ex1 = new CFException();
1121	>	final CFException ex2 = new CFException();
1122	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1123	>
1124	>	if (!createIncomplete) f.completeExceptionally(ex1);
1125	>	final CompletableFuture<Integer> g = m.whenComplete
1126	>	(f,
1127	>	(Integer result, Throwable t) -> {
1128	>	m.checkExecutionMode();
1129	>	threadAssertSame(t, ex1);
1130	>	threadAssertNull(result);
1131	>	a.getAndIncrement();
1132	>	throw ex2;
1133	>	});
1134	>	if (createIncomplete) f.completeExceptionally(ex1);
1135	>
1136	>	checkCompletedWithWrappedException(g, ex1);
1137	>	checkCompletedExceptionally(f, ex1);
1138	>	if (testImplementationDetails) {
1139	>	assertEquals(1, ex1.getSuppressed().length);
1140	>	assertSame(ex2, ex1.getSuppressed()[0]);
1141	>	}
1142	>	assertEquals(1, a.get());
1143	>	}}
1144
1145	<	f = new CompletableFuture<Integer>();
1146	<	r = new IntegerHandler();
1147	<	g = f.handle(r);
1148	<	f.complete(one);
1149	<	checkCompletedNormally(g, two);
1150	<	}
1145	>	/**
1146	>	* handle action completes normally with function value on normal
1147	>	* completion of source
1148	>	*/
1149	>	public void testHandle_normalCompletion() {
1150	>	for (ExecutionMode m : ExecutionMode.values())
1151	>	for (boolean createIncomplete : new boolean[] { true, false })
1152	>	for (Integer v1 : new Integer[] { 1, null })
1153	>	{
1154	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1155	>	final AtomicInteger a = new AtomicInteger(0);
1156	>	if (!createIncomplete) assertTrue(f.complete(v1));
1157	>	final CompletableFuture<Integer> g = m.handle
1158	>	(f,
1159	>	(Integer result, Throwable t) -> {
1160	>	m.checkExecutionMode();
1161	>	threadAssertSame(result, v1);
1162	>	threadAssertNull(t);
1163	>	a.getAndIncrement();
1164	>	return inc(v1);
1165	>	});
1166	>	if (createIncomplete) assertTrue(f.complete(v1));
1167	>
1168	>	checkCompletedNormally(g, inc(v1));
1169	>	checkCompletedNormally(f, v1);
1170	>	assertEquals(1, a.get());
1171	>	}}
1172
1173		/**
1174	<	* runAsync completes after running Runnable
1174	>	* handle action completes normally with function value on
1175	>	* exceptional completion of source
1176		*/
1177	<	public void testRunAsync() {
1178	<	Noop r = new Noop();
1179	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1180	<	assertNull(f.join());
1181	<	assertTrue(r.ran);
1182	<	}
1177	>	public void testHandle_exceptionalCompletion() {
1178	>	for (ExecutionMode m : ExecutionMode.values())
1179	>	for (boolean createIncomplete : new boolean[] { true, false })
1180	>	for (Integer v1 : new Integer[] { 1, null })
1181	>	{
1182	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1183	>	final AtomicInteger a = new AtomicInteger(0);
1184	>	final CFException ex = new CFException();
1185	>	if (!createIncomplete) f.completeExceptionally(ex);
1186	>	final CompletableFuture<Integer> g = m.handle
1187	>	(f,
1188	>	(Integer result, Throwable t) -> {
1189	>	m.checkExecutionMode();
1190	>	threadAssertNull(result);
1191	>	threadAssertSame(t, ex);
1192	>	a.getAndIncrement();
1193	>	return v1;
1194	>	});
1195	>	if (createIncomplete) f.completeExceptionally(ex);
1196	>
1197	>	checkCompletedNormally(g, v1);
1198	>	checkCompletedExceptionally(f, ex);
1199	>	assertEquals(1, a.get());
1200	>	}}
1201	>
1202	>	/**
1203	>	* handle action completes normally with function value on
1204	>	* cancelled source
1205	>	*/
1206	>	public void testHandle_sourceCancelled() {
1207	>	for (ExecutionMode m : ExecutionMode.values())
1208	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1209	>	for (boolean createIncomplete : new boolean[] { true, false })
1210	>	for (Integer v1 : new Integer[] { 1, null })
1211	>	{
1212	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1213	>	final AtomicInteger a = new AtomicInteger(0);
1214	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1215	>	final CompletableFuture<Integer> g = m.handle
1216	>	(f,
1217	>	(Integer result, Throwable t) -> {
1218	>	m.checkExecutionMode();
1219	>	threadAssertNull(result);
1220	>	threadAssertTrue(t instanceof CancellationException);
1221	>	a.getAndIncrement();
1222	>	return v1;
1223	>	});
1224	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1225	>
1226	>	checkCompletedNormally(g, v1);
1227	>	checkCancelled(f);
1228	>	assertEquals(1, a.get());
1229	>	}}
1230
1231		/**
1232	<	* runAsync with executor completes after running Runnable
1232	>	* If a "handle action" throws an exception when triggered by
1233	>	* a normal completion, it completes exceptionally
1234		*/
1235	<	public void testRunAsync2() {
1236	<	Noop r = new Noop();
1237	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, new ThreadExecutor());
1238	<	assertNull(f.join());
1239	<	assertTrue(r.ran);
1240	<	}
1235	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1236	>	for (ExecutionMode m : ExecutionMode.values())
1237	>	for (boolean createIncomplete : new boolean[] { true, false })
1238	>	for (Integer v1 : new Integer[] { 1, null })
1239	>	{
1240	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1241	>	final AtomicInteger a = new AtomicInteger(0);
1242	>	final CFException ex = new CFException();
1243	>	if (!createIncomplete) assertTrue(f.complete(v1));
1244	>	final CompletableFuture<Integer> g = m.handle
1245	>	(f,
1246	>	(Integer result, Throwable t) -> {
1247	>	m.checkExecutionMode();
1248	>	threadAssertSame(result, v1);
1249	>	threadAssertNull(t);
1250	>	a.getAndIncrement();
1251	>	throw ex;
1252	>	});
1253	>	if (createIncomplete) assertTrue(f.complete(v1));
1254	>
1255	>	checkCompletedWithWrappedException(g, ex);
1256	>	checkCompletedNormally(f, v1);
1257	>	assertEquals(1, a.get());
1258	>	}}
1259	>
1260	>	/**
1261	>	* If a "handle action" throws an exception when triggered by
1262	>	* a source completion that also throws an exception, the action
1263	>	* exception takes precedence (unlike whenComplete)
1264	>	*/
1265	>	public void testHandle_sourceFailedActionFailed() {
1266	>	for (boolean createIncomplete : new boolean[] { true, false })
1267	>	for (ExecutionMode m : ExecutionMode.values())
1268	>	{
1269	>	final AtomicInteger a = new AtomicInteger(0);
1270	>	final CFException ex1 = new CFException();
1271	>	final CFException ex2 = new CFException();
1272	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1273	>
1274	>	if (!createIncomplete) f.completeExceptionally(ex1);
1275	>	final CompletableFuture<Integer> g = m.handle
1276	>	(f,
1277	>	(Integer result, Throwable t) -> {
1278	>	m.checkExecutionMode();
1279	>	threadAssertNull(result);
1280	>	threadAssertSame(ex1, t);
1281	>	a.getAndIncrement();
1282	>	throw ex2;
1283	>	});
1284	>	if (createIncomplete) f.completeExceptionally(ex1);
1285	>
1286	>	checkCompletedWithWrappedException(g, ex2);
1287	>	checkCompletedExceptionally(f, ex1);
1288	>	assertEquals(1, a.get());
1289	>	}}
1290
1291		/**
1292	<	* failing runAsync completes exceptionally after running Runnable
1292	>	* runAsync completes after running Runnable
1293		*/
1294	<	public void testRunAsync3() {
1295	<	FailingNoop r = new FailingNoop();
1296	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1297	<	checkCompletedWithWrappedCFException(f);
1298	<	assertTrue(r.ran);
1299	<	}
1294	>	public void testRunAsync_normalCompletion() {
1295	>	ExecutionMode[] executionModes = {
1296	>	ExecutionMode.ASYNC,
1297	>	ExecutionMode.EXECUTOR,
1298	>	};
1299	>	for (ExecutionMode m : executionModes)
1300	>	{
1301	>	final Noop r = new Noop(m);
1302	>	final CompletableFuture<Void> f = m.runAsync(r);
1303	>	assertNull(f.join());
1304	>	checkCompletedNormally(f, null);
1305	>	r.assertInvoked();
1306	>	}}
1307
1308		/**
1309	<	* supplyAsync completes with result of supplier
1309	>	* failing runAsync completes exceptionally after running Runnable
1310		*/
1311	<	public void testSupplyAsync() {
1312	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne);
1313	<	assertEquals(f.join(), one);
1311	>	public void testRunAsync_exceptionalCompletion() {
1312	>	ExecutionMode[] executionModes = {
1313	>	ExecutionMode.ASYNC,
1314	>	ExecutionMode.EXECUTOR,
1315	>	};
1316	>	for (ExecutionMode m : executionModes)
1317	>	{
1318	>	final FailingRunnable r = new FailingRunnable(m);
1319	>	final CompletableFuture<Void> f = m.runAsync(r);
1320	>	checkCompletedWithWrappedException(f, r.ex);
1321	>	r.assertInvoked();
1322	>	}}
1323	>
1324	>	@SuppressWarnings("FutureReturnValueIgnored")
1325	>	public void testRunAsync_rejectingExecutor() {
1326	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1327	>	try {
1328	>	CompletableFuture.runAsync(() -> {}, e);
1329	>	shouldThrow();
1330	>	} catch (Throwable t) {
1331	>	assertSame(e.ex, t);
1332	>	}
1333	>
1334	>	assertEquals(1, e.count.get());
1335		}
1336
1337		/**
1338	<	* supplyAsync with executor completes with result of supplier
1338	>	* supplyAsync completes with result of supplier
1339		*/
1340	<	public void testSupplyAsync2() {
1341	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1342	<	assertEquals(f.join(), one);
1343	<	}
1340	>	public void testSupplyAsync_normalCompletion() {
1341	>	ExecutionMode[] executionModes = {
1342	>	ExecutionMode.ASYNC,
1343	>	ExecutionMode.EXECUTOR,
1344	>	};
1345	>	for (ExecutionMode m : executionModes)
1346	>	for (Integer v1 : new Integer[] { 1, null })
1347	>	{
1348	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1349	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1350	>	assertSame(v1, f.join());
1351	>	checkCompletedNormally(f, v1);
1352	>	r.assertInvoked();
1353	>	}}
1354
1355		/**
1356		* Failing supplyAsync completes exceptionally
1357		*/
1358	<	public void testSupplyAsync3() {
1359	<	FailingSupplier r = new FailingSupplier();
1360	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1361	<	checkCompletedWithWrappedCFException(f);
1362	<	assertTrue(r.ran);
1358	>	public void testSupplyAsync_exceptionalCompletion() {
1359	>	ExecutionMode[] executionModes = {
1360	>	ExecutionMode.ASYNC,
1361	>	ExecutionMode.EXECUTOR,
1362	>	};
1363	>	for (ExecutionMode m : executionModes)
1364	>	{
1365	>	FailingSupplier r = new FailingSupplier(m);
1366	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1367	>	checkCompletedWithWrappedException(f, r.ex);
1368	>	r.assertInvoked();
1369	>	}}
1370	>
1371	>	@SuppressWarnings("FutureReturnValueIgnored")
1372	>	public void testSupplyAsync_rejectingExecutor() {
1373	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1374	>	try {
1375	>	CompletableFuture.supplyAsync(() -> null, e);
1376	>	shouldThrow();
1377	>	} catch (Throwable t) {
1378	>	assertSame(e.ex, t);
1379	>	}
1380	>
1381	>	assertEquals(1, e.count.get());
1382		}
1383
1384		// seq completion methods
#	Line 455 | Line 1386 | public class CompletableFutureTest exten
1386		/**
1387		* thenRun result completes normally after normal completion of source
1388		*/
1389	<	public void testThenRun() {
1390	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1391	<	Noop r = new Noop();
1392	<	CompletableFuture<Void> g = f.thenRun(r);
1393	<	f.complete(null);
1394	<	checkCompletedNormally(g, null);
1395	<	// reordered version
1396	<	f = new CompletableFuture<Integer>();
1397	<	f.complete(null);
1398	<	r = new Noop();
1399	<	g = f.thenRun(r);
1400	<	checkCompletedNormally(g, null);
1401	<	}
1389	>	public void testThenRun_normalCompletion() {
1390	>	for (ExecutionMode m : ExecutionMode.values())
1391	>	for (Integer v1 : new Integer[] { 1, null })
1392	>	{
1393	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1394	>	final Noop[] rs = new Noop[6];
1395	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1396	>
1397	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1398	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1399	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1400	>	checkIncomplete(h0);
1401	>	checkIncomplete(h1);
1402	>	checkIncomplete(h2);
1403	>	assertTrue(f.complete(v1));
1404	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1405	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1406	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1407	>
1408	>	checkCompletedNormally(h0, null);
1409	>	checkCompletedNormally(h1, null);
1410	>	checkCompletedNormally(h2, null);
1411	>	checkCompletedNormally(h3, null);
1412	>	checkCompletedNormally(h4, null);
1413	>	checkCompletedNormally(h5, null);
1414	>	checkCompletedNormally(f, v1);
1415	>	for (Noop r : rs) r.assertInvoked();
1416	>	}}
1417
1418		/**
1419		* thenRun result completes exceptionally after exceptional
1420		* completion of source
1421		*/
1422	<	public void testThenRun2() {
1423	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1424	<	Noop r = new Noop();
1425	<	CompletableFuture<Void> g = f.thenRun(r);
1426	<	f.completeExceptionally(new CFException());
1427	<	checkCompletedWithWrappedCFException(g);
1428	<	}
1422	>	public void testThenRun_exceptionalCompletion() {
1423	>	for (ExecutionMode m : ExecutionMode.values())
1424	>	{
1425	>	final CFException ex = new CFException();
1426	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1427	>	final Noop[] rs = new Noop[6];
1428	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1429	>
1430	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1431	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1432	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1433	>	checkIncomplete(h0);
1434	>	checkIncomplete(h1);
1435	>	checkIncomplete(h2);
1436	>	assertTrue(f.completeExceptionally(ex));
1437	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1438	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1439	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1440	>
1441	>	checkCompletedWithWrappedException(h0, ex);
1442	>	checkCompletedWithWrappedException(h1, ex);
1443	>	checkCompletedWithWrappedException(h2, ex);
1444	>	checkCompletedWithWrappedException(h3, ex);
1445	>	checkCompletedWithWrappedException(h4, ex);
1446	>	checkCompletedWithWrappedException(h5, ex);
1447	>	checkCompletedExceptionally(f, ex);
1448	>	for (Noop r : rs) r.assertNotInvoked();
1449	>	}}
1450
1451		/**
1452	<	* thenRun result completes exceptionally if action does
1452	>	* thenRun result completes exceptionally if source cancelled
1453		*/
1454	<	public void testThenRun3() {
1455	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1456	<	FailingNoop r = new FailingNoop();
1457	<	CompletableFuture<Void> g = f.thenRun(r);
1458	<	f.complete(null);
1459	<	checkCompletedWithWrappedCFException(g);
1460	<	}
1454	>	public void testThenRun_sourceCancelled() {
1455	>	for (ExecutionMode m : ExecutionMode.values())
1456	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1457	>	{
1458	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1459	>	final Noop[] rs = new Noop[6];
1460	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1461	>
1462	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1463	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1464	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1465	>	checkIncomplete(h0);
1466	>	checkIncomplete(h1);
1467	>	checkIncomplete(h2);
1468	>	assertTrue(f.cancel(mayInterruptIfRunning));
1469	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1470	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1471	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1472	>
1473	>	checkCompletedWithWrappedCancellationException(h0);
1474	>	checkCompletedWithWrappedCancellationException(h1);
1475	>	checkCompletedWithWrappedCancellationException(h2);
1476	>	checkCompletedWithWrappedCancellationException(h3);
1477	>	checkCompletedWithWrappedCancellationException(h4);
1478	>	checkCompletedWithWrappedCancellationException(h5);
1479	>	checkCancelled(f);
1480	>	for (Noop r : rs) r.assertNotInvoked();
1481	>	}}
1482
1483		/**
1484	<	* thenRun result completes exceptionally if source cancelled
1484	>	* thenRun result completes exceptionally if action does
1485		*/
1486	<	public void testThenRun4() {
1487	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1488	<	Noop r = new Noop();
1489	<	CompletableFuture<Void> g = f.thenRun(r);
1490	<	assertTrue(f.cancel(true));
1491	<	checkCompletedWithWrappedCancellationException(g);
1492	<	}
1486	>	public void testThenRun_actionFailed() {
1487	>	for (ExecutionMode m : ExecutionMode.values())
1488	>	for (Integer v1 : new Integer[] { 1, null })
1489	>	{
1490	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1491	>	final FailingRunnable[] rs = new FailingRunnable[6];
1492	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1493	>
1494	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1495	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1496	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1497	>	assertTrue(f.complete(v1));
1498	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1499	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1500	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1501	>
1502	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1503	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1504	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1505	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1506	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1507	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1508	>	checkCompletedNormally(f, v1);
1509	>	}}
1510
1511		/**
1512		* thenApply result completes normally after normal completion of source
1513		*/
1514	<	public void testThenApply() {
1515	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1516	<	CompletableFuture<Integer> g = f.thenApply(inc);
1517	<	f.complete(one);
1518	<	checkCompletedNormally(g, two);
1519	<	}
1514	>	public void testThenApply_normalCompletion() {
1515	>	for (ExecutionMode m : ExecutionMode.values())
1516	>	for (Integer v1 : new Integer[] { 1, null })
1517	>	{
1518	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1519	>	final IncFunction[] rs = new IncFunction[4];
1520	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1521	>
1522	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1523	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1524	>	checkIncomplete(h0);
1525	>	checkIncomplete(h1);
1526	>	assertTrue(f.complete(v1));
1527	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1528	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1529	>
1530	>	checkCompletedNormally(h0, inc(v1));
1531	>	checkCompletedNormally(h1, inc(v1));
1532	>	checkCompletedNormally(h2, inc(v1));
1533	>	checkCompletedNormally(h3, inc(v1));
1534	>	checkCompletedNormally(f, v1);
1535	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1536	>	}}
1537
1538		/**
1539		* thenApply result completes exceptionally after exceptional
1540		* completion of source
1541		*/
1542	<	public void testThenApply2() {
1543	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1544	<	CompletableFuture<Integer> g = f.thenApply(inc);
1545	<	f.completeExceptionally(new CFException());
1546	<	checkCompletedWithWrappedCFException(g);
1547	<	}
1542	>	public void testThenApply_exceptionalCompletion() {
1543	>	for (ExecutionMode m : ExecutionMode.values())
1544	>	{
1545	>	final CFException ex = new CFException();
1546	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1547	>	final IncFunction[] rs = new IncFunction[4];
1548	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1549	>
1550	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1551	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1552	>	assertTrue(f.completeExceptionally(ex));
1553	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1554	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1555	>
1556	>	checkCompletedWithWrappedException(h0, ex);
1557	>	checkCompletedWithWrappedException(h1, ex);
1558	>	checkCompletedWithWrappedException(h2, ex);
1559	>	checkCompletedWithWrappedException(h3, ex);
1560	>	checkCompletedExceptionally(f, ex);
1561	>	for (IncFunction r : rs) r.assertNotInvoked();
1562	>	}}
1563
1564		/**
1565	<	* thenApply result completes exceptionally if action does
1565	>	* thenApply result completes exceptionally if source cancelled
1566		*/
1567	<	public void testThenApply3() {
1568	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1569	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1570	<	f.complete(one);
1571	<	checkCompletedWithWrappedCFException(g);
1572	<	}
1567	>	public void testThenApply_sourceCancelled() {
1568	>	for (ExecutionMode m : ExecutionMode.values())
1569	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1570	>	{
1571	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1572	>	final IncFunction[] rs = new IncFunction[4];
1573	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1574	>
1575	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1576	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1577	>	assertTrue(f.cancel(mayInterruptIfRunning));
1578	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1579	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1580	>
1581	>	checkCompletedWithWrappedCancellationException(h0);
1582	>	checkCompletedWithWrappedCancellationException(h1);
1583	>	checkCompletedWithWrappedCancellationException(h2);
1584	>	checkCompletedWithWrappedCancellationException(h3);
1585	>	checkCancelled(f);
1586	>	for (IncFunction r : rs) r.assertNotInvoked();
1587	>	}}
1588
1589		/**
1590	<	* thenApply result completes exceptionally if source cancelled
1590	>	* thenApply result completes exceptionally if action does
1591		*/
1592	<	public void testThenApply4() {
1593	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1594	<	CompletableFuture<Integer> g = f.thenApply(inc);
1595	<	assertTrue(f.cancel(true));
1596	<	checkCompletedWithWrappedCancellationException(g);
1597	<	}
1592	>	public void testThenApply_actionFailed() {
1593	>	for (ExecutionMode m : ExecutionMode.values())
1594	>	for (Integer v1 : new Integer[] { 1, null })
1595	>	{
1596	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1597	>	final FailingFunction[] rs = new FailingFunction[4];
1598	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1599	>
1600	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1601	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1602	>	assertTrue(f.complete(v1));
1603	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1604	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1605	>
1606	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1607	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1608	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1609	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1610	>	checkCompletedNormally(f, v1);
1611	>	}}
1612
1613		/**
1614		* thenAccept result completes normally after normal completion of source
1615		*/
1616	<	public void testThenAccept() {
1617	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1618	<	IncAction r = new IncAction();
1619	<	CompletableFuture<Void> g = f.thenAccept(r);
1620	<	f.complete(one);
1621	<	checkCompletedNormally(g, null);
1622	<	assertEquals(r.value, 2);
1623	<	}
1616	>	public void testThenAccept_normalCompletion() {
1617	>	for (ExecutionMode m : ExecutionMode.values())
1618	>	for (Integer v1 : new Integer[] { 1, null })
1619	>	{
1620	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1621	>	final NoopConsumer[] rs = new NoopConsumer[4];
1622	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1623	>
1624	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1625	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1626	>	checkIncomplete(h0);
1627	>	checkIncomplete(h1);
1628	>	assertTrue(f.complete(v1));
1629	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1630	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1631	>
1632	>	checkCompletedNormally(h0, null);
1633	>	checkCompletedNormally(h1, null);
1634	>	checkCompletedNormally(h2, null);
1635	>	checkCompletedNormally(h3, null);
1636	>	checkCompletedNormally(f, v1);
1637	>	for (NoopConsumer r : rs) r.assertValue(v1);
1638	>	}}
1639
1640		/**
1641		* thenAccept result completes exceptionally after exceptional
1642		* completion of source
1643		*/
1644	<	public void testThenAccept2() {
1645	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1646	<	IncAction r = new IncAction();
1647	<	CompletableFuture<Void> g = f.thenAccept(r);
1648	<	f.completeExceptionally(new CFException());
1649	<	checkCompletedWithWrappedCFException(g);
1650	<	}
1651	<
1652	<	/**
1653	<	* thenAccept result completes exceptionally if action does
1654	<	*/
1655	<	public void testThenAccept3() {
1656	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1657	<	FailingConsumer r = new FailingConsumer();
1658	<	CompletableFuture<Void> g = f.thenAccept(r);
1659	<	f.complete(one);
1660	<	checkCompletedWithWrappedCFException(g);
1661	<	assertTrue(r.ran);
1662	<	}
1644	>	public void testThenAccept_exceptionalCompletion() {
1645	>	for (ExecutionMode m : ExecutionMode.values())
1646	>	{
1647	>	final CFException ex = new CFException();
1648	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1649	>	final NoopConsumer[] rs = new NoopConsumer[4];
1650	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1651	>
1652	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1653	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1654	>	assertTrue(f.completeExceptionally(ex));
1655	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1656	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1657	>
1658	>	checkCompletedWithWrappedException(h0, ex);
1659	>	checkCompletedWithWrappedException(h1, ex);
1660	>	checkCompletedWithWrappedException(h2, ex);
1661	>	checkCompletedWithWrappedException(h3, ex);
1662	>	checkCompletedExceptionally(f, ex);
1663	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1664	>	}}
1665
1666		/**
1667		* thenAccept result completes exceptionally if source cancelled
1668		*/
1669	<	public void testThenAccept4() {
1670	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1671	<	IncAction r = new IncAction();
1672	<	CompletableFuture<Void> g = f.thenAccept(r);
1673	<	assertTrue(f.cancel(true));
1674	<	checkCompletedWithWrappedCancellationException(g);
1675	<	}
1676	<
1669	>	public void testThenAccept_sourceCancelled() {
1670	>	for (ExecutionMode m : ExecutionMode.values())
1671	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1672	>	{
1673	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1674	>	final NoopConsumer[] rs = new NoopConsumer[4];
1675	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1676	>
1677	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1678	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1679	>	assertTrue(f.cancel(mayInterruptIfRunning));
1680	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1681	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1682	>
1683	>	checkCompletedWithWrappedCancellationException(h0);
1684	>	checkCompletedWithWrappedCancellationException(h1);
1685	>	checkCompletedWithWrappedCancellationException(h2);
1686	>	checkCompletedWithWrappedCancellationException(h3);
1687	>	checkCancelled(f);
1688	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1689	>	}}
1690
1691		/**
1692	<	* thenCombine result completes normally after normal completion of sources
1692	>	* thenAccept result completes exceptionally if action does
1693		*/
1694	<	public void testThenCombine() {
1695	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1696	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1697	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1698	<	f.complete(one);
1699	<	checkIncomplete(g);
1700	<	f2.complete(two);
1701	<	checkCompletedNormally(g, three);
1702	<
1703	<	f = new CompletableFuture<Integer>();
1704	<	f.complete(one);
1705	<	f2 = new CompletableFuture<Integer>();
1706	<	g = f.thenCombine(f2, add);
1707	<	checkIncomplete(g);
1708	<	f2.complete(two);
1709	<	checkCompletedNormally(g, three);
1710	<	}
1694	>	public void testThenAccept_actionFailed() {
1695	>	for (ExecutionMode m : ExecutionMode.values())
1696	>	for (Integer v1 : new Integer[] { 1, null })
1697	>	{
1698	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1699	>	final FailingConsumer[] rs = new FailingConsumer[4];
1700	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1701	>
1702	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1703	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1704	>	assertTrue(f.complete(v1));
1705	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1706	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1707	>
1708	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1709	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1710	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1711	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1712	>	checkCompletedNormally(f, v1);
1713	>	}}
1714	>
1715	>	/**
1716	>	* thenCombine result completes normally after normal completion
1717	>	* of sources
1718	>	*/
1719	>	public void testThenCombine_normalCompletion() {
1720	>	for (ExecutionMode m : ExecutionMode.values())
1721	>	for (boolean fFirst : new boolean[] { true, false })
1722	>	for (Integer v1 : new Integer[] { 1, null })
1723	>	for (Integer v2 : new Integer[] { 2, null })
1724	>	{
1725	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1726	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1727	>	final SubtractFunction[] rs = new SubtractFunction[6];
1728	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1729	>
1730	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1731	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1732	>	final Integer w1 =  fFirst ? v1 : v2;
1733	>	final Integer w2 = !fFirst ? v1 : v2;
1734	>
1735	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1736	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1737	>	assertTrue(fst.complete(w1));
1738	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1739	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1740	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1741	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1742	>	checkCompletedNormally(h1, subtract(w1, w1));
1743	>	checkCompletedNormally(h3, subtract(w1, w1));
1744	>	rs[1].assertValue(subtract(w1, w1));
1745	>	rs[3].assertValue(subtract(w1, w1));
1746	>	assertTrue(snd.complete(w2));
1747	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1748	>
1749	>	checkCompletedNormally(h0, subtract(v1, v2));
1750	>	checkCompletedNormally(h2, subtract(v1, v2));
1751	>	checkCompletedNormally(h4, subtract(v1, v2));
1752	>	rs[0].assertValue(subtract(v1, v2));
1753	>	rs[2].assertValue(subtract(v1, v2));
1754	>	rs[4].assertValue(subtract(v1, v2));
1755	>
1756	>	checkCompletedNormally(f, v1);
1757	>	checkCompletedNormally(g, v2);
1758	>	}}
1759
1760		/**
1761		* thenCombine result completes exceptionally after exceptional
1762		* completion of either source
1763		*/
1764	<	public void testThenCombine2() {
1765	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1766	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1767	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1768	<	f.completeExceptionally(new CFException());
1769	<	f2.complete(two);
1770	<	checkCompletedWithWrappedCFException(g);
1771	<
1772	<	f = new CompletableFuture<Integer>();
1773	<	f.complete(one);
1774	<	f2 = new CompletableFuture<Integer>();
1775	<	g = f.thenCombine(f2, add);
1776	<	f2.completeExceptionally(new CFException());
1777	<	checkCompletedWithWrappedCFException(g);
1778	<	}
1764	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1765	>	for (ExecutionMode m : ExecutionMode.values())
1766	>	for (boolean fFirst : new boolean[] { true, false })
1767	>	for (boolean failFirst : new boolean[] { true, false })
1768	>	for (Integer v1 : new Integer[] { 1, null })
1769	>	{
1770	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1771	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1772	>	final CFException ex = new CFException();
1773	>	final SubtractFunction r1 = new SubtractFunction(m);
1774	>	final SubtractFunction r2 = new SubtractFunction(m);
1775	>	final SubtractFunction r3 = new SubtractFunction(m);
1776	>
1777	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1778	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1779	>	final Callable<Boolean> complete1 = failFirst ?
1780	>	() -> fst.completeExceptionally(ex) :
1781	>	() -> fst.complete(v1);
1782	>	final Callable<Boolean> complete2 = failFirst ?
1783	>	() -> snd.complete(v1) :
1784	>	() -> snd.completeExceptionally(ex);
1785	>
1786	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1787	>	assertTrue(complete1.call());
1788	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1789	>	checkIncomplete(h1);
1790	>	checkIncomplete(h2);
1791	>	assertTrue(complete2.call());
1792	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1793	>
1794	>	checkCompletedWithWrappedException(h1, ex);
1795	>	checkCompletedWithWrappedException(h2, ex);
1796	>	checkCompletedWithWrappedException(h3, ex);
1797	>	r1.assertNotInvoked();
1798	>	r2.assertNotInvoked();
1799	>	r3.assertNotInvoked();
1800	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1801	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1802	>	}}
1803
1804		/**
1805	<	* thenCombine result completes exceptionally if action does
1805	>	* thenCombine result completes exceptionally if either source cancelled
1806		*/
1807	<	public void testThenCombine3() {
1808	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1809	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1810	<	FailingBiFunction r = new FailingBiFunction();
1811	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1812	<	f.complete(one);
1813	<	checkIncomplete(g);
1814	<	f2.complete(two);
1815	<	checkCompletedWithWrappedCFException(g);
1816	<	}
1807	>	public void testThenCombine_sourceCancelled() throws Throwable {
1808	>	for (ExecutionMode m : ExecutionMode.values())
1809	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1810	>	for (boolean fFirst : new boolean[] { true, false })
1811	>	for (boolean failFirst : new boolean[] { true, false })
1812	>	for (Integer v1 : new Integer[] { 1, null })
1813	>	{
1814	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1815	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1816	>	final SubtractFunction r1 = new SubtractFunction(m);
1817	>	final SubtractFunction r2 = new SubtractFunction(m);
1818	>	final SubtractFunction r3 = new SubtractFunction(m);
1819	>
1820	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1821	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1822	>	final Callable<Boolean> complete1 = failFirst ?
1823	>	() -> fst.cancel(mayInterruptIfRunning) :
1824	>	() -> fst.complete(v1);
1825	>	final Callable<Boolean> complete2 = failFirst ?
1826	>	() -> snd.complete(v1) :
1827	>	() -> snd.cancel(mayInterruptIfRunning);
1828	>
1829	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1830	>	assertTrue(complete1.call());
1831	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1832	>	checkIncomplete(h1);
1833	>	checkIncomplete(h2);
1834	>	assertTrue(complete2.call());
1835	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1836	>
1837	>	checkCompletedWithWrappedCancellationException(h1);
1838	>	checkCompletedWithWrappedCancellationException(h2);
1839	>	checkCompletedWithWrappedCancellationException(h3);
1840	>	r1.assertNotInvoked();
1841	>	r2.assertNotInvoked();
1842	>	r3.assertNotInvoked();
1843	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1844	>	checkCancelled(failFirst ? fst : snd);
1845	>	}}
1846
1847		/**
1848	<	* thenCombine result completes exceptionally if either source cancelled
1848	>	* thenCombine result completes exceptionally if action does
1849		*/
1850	<	public void testThenCombine4() {
1851	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1852	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1853	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1854	<	assertTrue(f.cancel(true));
1855	<	f2.complete(two);
1856	<	checkCompletedWithWrappedCancellationException(g);
1857	<	f = new CompletableFuture<Integer>();
1858	<	f2 = new CompletableFuture<Integer>();
1859	<	g = f.thenCombine(f2, add);
1860	<	f.complete(one);
1861	<	assertTrue(f2.cancel(true));
1862	<	checkCompletedWithWrappedCancellationException(g);
1863	<	}
1850	>	public void testThenCombine_actionFailed() {
1851	>	for (ExecutionMode m : ExecutionMode.values())
1852	>	for (boolean fFirst : new boolean[] { true, false })
1853	>	for (Integer v1 : new Integer[] { 1, null })
1854	>	for (Integer v2 : new Integer[] { 2, null })
1855	>	{
1856	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1857	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1858	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1859	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1860	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1861	>
1862	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1863	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1864	>	final Integer w1 =  fFirst ? v1 : v2;
1865	>	final Integer w2 = !fFirst ? v1 : v2;
1866	>
1867	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1868	>	assertTrue(fst.complete(w1));
1869	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1870	>	assertTrue(snd.complete(w2));
1871	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1872	>
1873	>	checkCompletedWithWrappedException(h1, r1.ex);
1874	>	checkCompletedWithWrappedException(h2, r2.ex);
1875	>	checkCompletedWithWrappedException(h3, r3.ex);
1876	>	r1.assertInvoked();
1877	>	r2.assertInvoked();
1878	>	r3.assertInvoked();
1879	>	checkCompletedNormally(f, v1);
1880	>	checkCompletedNormally(g, v2);
1881	>	}}
1882
1883		/**
1884		* thenAcceptBoth result completes normally after normal
1885		* completion of sources
1886		*/
1887	<	public void testThenAcceptBoth() {
1888	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1889	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1890	<	AddAction r = new AddAction();
1891	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1892	<	f.complete(one);
1893	<	checkIncomplete(g);
1894	<	f2.complete(two);
1895	<	checkCompletedNormally(g, null);
1896	<	assertEquals(r.value, 3);
1897	<
1898	<	r = new AddAction();
1899	<	f = new CompletableFuture<Integer>();
1900	<	f.complete(one);
1901	<	f2 = new CompletableFuture<Integer>();
1902	<	g = f.thenAcceptBoth(f2, r);
1903	<	checkIncomplete(g);
1904	<	f2.complete(two);
1905	<	checkCompletedNormally(g, null);
1906	<	assertEquals(r.value, 3);
1907	<	}
1887	>	public void testThenAcceptBoth_normalCompletion() {
1888	>	for (ExecutionMode m : ExecutionMode.values())
1889	>	for (boolean fFirst : new boolean[] { true, false })
1890	>	for (Integer v1 : new Integer[] { 1, null })
1891	>	for (Integer v2 : new Integer[] { 2, null })
1892	>	{
1893	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1894	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1895	>	final SubtractAction r1 = new SubtractAction(m);
1896	>	final SubtractAction r2 = new SubtractAction(m);
1897	>	final SubtractAction r3 = new SubtractAction(m);
1898	>
1899	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1900	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1901	>	final Integer w1 =  fFirst ? v1 : v2;
1902	>	final Integer w2 = !fFirst ? v1 : v2;
1903	>
1904	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1905	>	assertTrue(fst.complete(w1));
1906	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1907	>	checkIncomplete(h1);
1908	>	checkIncomplete(h2);
1909	>	r1.assertNotInvoked();
1910	>	r2.assertNotInvoked();
1911	>	assertTrue(snd.complete(w2));
1912	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1913	>
1914	>	checkCompletedNormally(h1, null);
1915	>	checkCompletedNormally(h2, null);
1916	>	checkCompletedNormally(h3, null);
1917	>	r1.assertValue(subtract(v1, v2));
1918	>	r2.assertValue(subtract(v1, v2));
1919	>	r3.assertValue(subtract(v1, v2));
1920	>	checkCompletedNormally(f, v1);
1921	>	checkCompletedNormally(g, v2);
1922	>	}}
1923
1924		/**
1925		* thenAcceptBoth result completes exceptionally after exceptional
1926		* completion of either source
1927		*/
1928	<	public void testThenAcceptBoth2() {
1929	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1930	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1931	<	AddAction r = new AddAction();
1932	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1933	<	f.completeExceptionally(new CFException());
1934	<	f2.complete(two);
1935	<	checkCompletedWithWrappedCFException(g);
1936	<
1937	<	r = new AddAction();
1938	<	f = new CompletableFuture<Integer>();
1939	<	f.complete(one);
1940	<	f2 = new CompletableFuture<Integer>();
1941	<	g = f.thenAcceptBoth(f2, r);
1942	<	f2.completeExceptionally(new CFException());
1943	<	checkCompletedWithWrappedCFException(g);
1944	<	}
1928	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1929	>	for (ExecutionMode m : ExecutionMode.values())
1930	>	for (boolean fFirst : new boolean[] { true, false })
1931	>	for (boolean failFirst : new boolean[] { true, false })
1932	>	for (Integer v1 : new Integer[] { 1, null })
1933	>	{
1934	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1935	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1936	>	final CFException ex = new CFException();
1937	>	final SubtractAction r1 = new SubtractAction(m);
1938	>	final SubtractAction r2 = new SubtractAction(m);
1939	>	final SubtractAction r3 = new SubtractAction(m);
1940	>
1941	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1942	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1943	>	final Callable<Boolean> complete1 = failFirst ?
1944	>	() -> fst.completeExceptionally(ex) :
1945	>	() -> fst.complete(v1);
1946	>	final Callable<Boolean> complete2 = failFirst ?
1947	>	() -> snd.complete(v1) :
1948	>	() -> snd.completeExceptionally(ex);
1949	>
1950	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1951	>	assertTrue(complete1.call());
1952	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1953	>	checkIncomplete(h1);
1954	>	checkIncomplete(h2);
1955	>	assertTrue(complete2.call());
1956	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1957	>
1958	>	checkCompletedWithWrappedException(h1, ex);
1959	>	checkCompletedWithWrappedException(h2, ex);
1960	>	checkCompletedWithWrappedException(h3, ex);
1961	>	r1.assertNotInvoked();
1962	>	r2.assertNotInvoked();
1963	>	r3.assertNotInvoked();
1964	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1965	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1966	>	}}
1967
1968		/**
1969	<	* thenAcceptBoth result completes exceptionally if action does
1969	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1970		*/
1971	<	public void testThenAcceptBoth3() {
1972	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1973	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1974	<	FailingBiConsumer r = new FailingBiConsumer();
1975	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1976	<	f.complete(one);
1977	<	checkIncomplete(g);
1978	<	f2.complete(two);
1979	<	checkCompletedWithWrappedCFException(g);
1980	<	}
1971	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1972	>	for (ExecutionMode m : ExecutionMode.values())
1973	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1974	>	for (boolean fFirst : new boolean[] { true, false })
1975	>	for (boolean failFirst : new boolean[] { true, false })
1976	>	for (Integer v1 : new Integer[] { 1, null })
1977	>	{
1978	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1979	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1980	>	final SubtractAction r1 = new SubtractAction(m);
1981	>	final SubtractAction r2 = new SubtractAction(m);
1982	>	final SubtractAction r3 = new SubtractAction(m);
1983	>
1984	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1985	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1986	>	final Callable<Boolean> complete1 = failFirst ?
1987	>	() -> fst.cancel(mayInterruptIfRunning) :
1988	>	() -> fst.complete(v1);
1989	>	final Callable<Boolean> complete2 = failFirst ?
1990	>	() -> snd.complete(v1) :
1991	>	() -> snd.cancel(mayInterruptIfRunning);
1992	>
1993	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1994	>	assertTrue(complete1.call());
1995	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1996	>	checkIncomplete(h1);
1997	>	checkIncomplete(h2);
1998	>	assertTrue(complete2.call());
1999	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2000	>
2001	>	checkCompletedWithWrappedCancellationException(h1);
2002	>	checkCompletedWithWrappedCancellationException(h2);
2003	>	checkCompletedWithWrappedCancellationException(h3);
2004	>	r1.assertNotInvoked();
2005	>	r2.assertNotInvoked();
2006	>	r3.assertNotInvoked();
2007	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2008	>	checkCancelled(failFirst ? fst : snd);
2009	>	}}
2010
2011		/**
2012	<	* thenAcceptBoth result completes exceptionally if either source cancelled
2012	>	* thenAcceptBoth result completes exceptionally if action does
2013		*/
2014	<	public void testThenAcceptBoth4() {
2015	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2016	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2017	<	AddAction r = new AddAction();
2018	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
2019	<	assertTrue(f.cancel(true));
2020	<	f2.complete(two);
2021	<	checkCompletedWithWrappedCancellationException(g);
2022	<	f = new CompletableFuture<Integer>();
2023	<	f2 = new CompletableFuture<Integer>();
2024	<	r = new AddAction();
2025	<	g = f.thenAcceptBoth(f2, r);
2026	<	f.complete(one);
2027	<	assertTrue(f2.cancel(true));
2028	<	checkCompletedWithWrappedCancellationException(g);
2029	<	}
2014	>	public void testThenAcceptBoth_actionFailed() {
2015	>	for (ExecutionMode m : ExecutionMode.values())
2016	>	for (boolean fFirst : new boolean[] { true, false })
2017	>	for (Integer v1 : new Integer[] { 1, null })
2018	>	for (Integer v2 : new Integer[] { 2, null })
2019	>	{
2020	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2021	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2022	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2023	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2024	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2025	>
2026	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2027	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2028	>	final Integer w1 =  fFirst ? v1 : v2;
2029	>	final Integer w2 = !fFirst ? v1 : v2;
2030	>
2031	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2032	>	assertTrue(fst.complete(w1));
2033	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2034	>	assertTrue(snd.complete(w2));
2035	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2036	>
2037	>	checkCompletedWithWrappedException(h1, r1.ex);
2038	>	checkCompletedWithWrappedException(h2, r2.ex);
2039	>	checkCompletedWithWrappedException(h3, r3.ex);
2040	>	r1.assertInvoked();
2041	>	r2.assertInvoked();
2042	>	r3.assertInvoked();
2043	>	checkCompletedNormally(f, v1);
2044	>	checkCompletedNormally(g, v2);
2045	>	}}
2046
2047		/**
2048		* runAfterBoth result completes normally after normal
2049		* completion of sources
2050		*/
2051	<	public void testRunAfterBoth() {
2052	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2053	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2054	<	Noop r = new Noop();
2055	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2056	<	f.complete(one);
2057	<	checkIncomplete(g);
2058	<	f2.complete(two);
2059	<	checkCompletedNormally(g, null);
2060	<	assertTrue(r.ran);
2061	<
2062	<	r = new Noop();
2063	<	f = new CompletableFuture<Integer>();
2064	<	f.complete(one);
2065	<	f2 = new CompletableFuture<Integer>();
2066	<	g = f.runAfterBoth(f2, r);
2067	<	checkIncomplete(g);
2068	<	f2.complete(two);
2069	<	checkCompletedNormally(g, null);
2070	<	assertTrue(r.ran);
2071	<	}
2051	>	public void testRunAfterBoth_normalCompletion() {
2052	>	for (ExecutionMode m : ExecutionMode.values())
2053	>	for (boolean fFirst : new boolean[] { true, false })
2054	>	for (Integer v1 : new Integer[] { 1, null })
2055	>	for (Integer v2 : new Integer[] { 2, null })
2056	>	{
2057	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2058	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2059	>	final Noop r1 = new Noop(m);
2060	>	final Noop r2 = new Noop(m);
2061	>	final Noop r3 = new Noop(m);
2062	>
2063	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2064	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2065	>	final Integer w1 =  fFirst ? v1 : v2;
2066	>	final Integer w2 = !fFirst ? v1 : v2;
2067	>
2068	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2069	>	assertTrue(fst.complete(w1));
2070	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2071	>	checkIncomplete(h1);
2072	>	checkIncomplete(h2);
2073	>	r1.assertNotInvoked();
2074	>	r2.assertNotInvoked();
2075	>	assertTrue(snd.complete(w2));
2076	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2077	>
2078	>	checkCompletedNormally(h1, null);
2079	>	checkCompletedNormally(h2, null);
2080	>	checkCompletedNormally(h3, null);
2081	>	r1.assertInvoked();
2082	>	r2.assertInvoked();
2083	>	r3.assertInvoked();
2084	>	checkCompletedNormally(f, v1);
2085	>	checkCompletedNormally(g, v2);
2086	>	}}
2087
2088		/**
2089		* runAfterBoth result completes exceptionally after exceptional
2090		* completion of either source
2091		*/
2092	<	public void testRunAfterBoth2() {
2093	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2094	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2095	<	Noop r = new Noop();
2096	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2097	<	f.completeExceptionally(new CFException());
2098	<	f2.complete(two);
2099	<	checkCompletedWithWrappedCFException(g);
2100	<
2101	<	r = new Noop();
2102	<	f = new CompletableFuture<Integer>();
2103	<	f.complete(one);
2104	<	f2 = new CompletableFuture<Integer>();
2105	<	g = f.runAfterBoth(f2, r);
2106	<	f2.completeExceptionally(new CFException());
2107	<	checkCompletedWithWrappedCFException(g);
2108	<	}
2092	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2093	>	for (ExecutionMode m : ExecutionMode.values())
2094	>	for (boolean fFirst : new boolean[] { true, false })
2095	>	for (boolean failFirst : new boolean[] { true, false })
2096	>	for (Integer v1 : new Integer[] { 1, null })
2097	>	{
2098	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2099	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2100	>	final CFException ex = new CFException();
2101	>	final Noop r1 = new Noop(m);
2102	>	final Noop r2 = new Noop(m);
2103	>	final Noop r3 = new Noop(m);
2104	>
2105	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2106	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2107	>	final Callable<Boolean> complete1 = failFirst ?
2108	>	() -> fst.completeExceptionally(ex) :
2109	>	() -> fst.complete(v1);
2110	>	final Callable<Boolean> complete2 = failFirst ?
2111	>	() -> snd.complete(v1) :
2112	>	() -> snd.completeExceptionally(ex);
2113	>
2114	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2115	>	assertTrue(complete1.call());
2116	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2117	>	checkIncomplete(h1);
2118	>	checkIncomplete(h2);
2119	>	assertTrue(complete2.call());
2120	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2121	>
2122	>	checkCompletedWithWrappedException(h1, ex);
2123	>	checkCompletedWithWrappedException(h2, ex);
2124	>	checkCompletedWithWrappedException(h3, ex);
2125	>	r1.assertNotInvoked();
2126	>	r2.assertNotInvoked();
2127	>	r3.assertNotInvoked();
2128	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2129	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2130	>	}}
2131
2132		/**
2133	<	* runAfterBoth result completes exceptionally if action does
2133	>	* runAfterBoth result completes exceptionally if either source cancelled
2134		*/
2135	<	public void testRunAfterBoth3() {
2136	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2137	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2138	<	FailingNoop r = new FailingNoop();
2139	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2140	<	f.complete(one);
2141	<	checkIncomplete(g);
2142	<	f2.complete(two);
2143	<	checkCompletedWithWrappedCFException(g);
2144	<	}
2135	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2136	>	for (ExecutionMode m : ExecutionMode.values())
2137	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2138	>	for (boolean fFirst : new boolean[] { true, false })
2139	>	for (boolean failFirst : new boolean[] { true, false })
2140	>	for (Integer v1 : new Integer[] { 1, null })
2141	>	{
2142	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2143	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2144	>	final Noop r1 = new Noop(m);
2145	>	final Noop r2 = new Noop(m);
2146	>	final Noop r3 = new Noop(m);
2147	>
2148	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2149	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2150	>	final Callable<Boolean> complete1 = failFirst ?
2151	>	() -> fst.cancel(mayInterruptIfRunning) :
2152	>	() -> fst.complete(v1);
2153	>	final Callable<Boolean> complete2 = failFirst ?
2154	>	() -> snd.complete(v1) :
2155	>	() -> snd.cancel(mayInterruptIfRunning);
2156	>
2157	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2158	>	assertTrue(complete1.call());
2159	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2160	>	checkIncomplete(h1);
2161	>	checkIncomplete(h2);
2162	>	assertTrue(complete2.call());
2163	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2164	>
2165	>	checkCompletedWithWrappedCancellationException(h1);
2166	>	checkCompletedWithWrappedCancellationException(h2);
2167	>	checkCompletedWithWrappedCancellationException(h3);
2168	>	r1.assertNotInvoked();
2169	>	r2.assertNotInvoked();
2170	>	r3.assertNotInvoked();
2171	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2172	>	checkCancelled(failFirst ? fst : snd);
2173	>	}}
2174
2175		/**
2176	<	* runAfterBoth result completes exceptionally if either source cancelled
2176	>	* runAfterBoth result completes exceptionally if action does
2177		*/
2178	<	public void testRunAfterBoth4() {
2179	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2180	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2181	<	Noop r = new Noop();
2182	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2183	<	assertTrue(f.cancel(true));
2184	<	f2.complete(two);
2185	<	checkCompletedWithWrappedCancellationException(g);
2186	<	f = new CompletableFuture<Integer>();
2187	<	f2 = new CompletableFuture<Integer>();
2188	<	r = new Noop();
2189	<	g = f.runAfterBoth(f2, r);
2190	<	f.complete(one);
2191	<	assertTrue(f2.cancel(true));
2192	<	checkCompletedWithWrappedCancellationException(g);
2193	<	}
2178	>	public void testRunAfterBoth_actionFailed() {
2179	>	for (ExecutionMode m : ExecutionMode.values())
2180	>	for (boolean fFirst : new boolean[] { true, false })
2181	>	for (Integer v1 : new Integer[] { 1, null })
2182	>	for (Integer v2 : new Integer[] { 2, null })
2183	>	{
2184	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2185	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2186	>	final FailingRunnable r1 = new FailingRunnable(m);
2187	>	final FailingRunnable r2 = new FailingRunnable(m);
2188	>	final FailingRunnable r3 = new FailingRunnable(m);
2189	>
2190	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2191	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2192	>	final Integer w1 =  fFirst ? v1 : v2;
2193	>	final Integer w2 = !fFirst ? v1 : v2;
2194	>
2195	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2196	>	assertTrue(fst.complete(w1));
2197	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2198	>	assertTrue(snd.complete(w2));
2199	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2200	>
2201	>	checkCompletedWithWrappedException(h1, r1.ex);
2202	>	checkCompletedWithWrappedException(h2, r2.ex);
2203	>	checkCompletedWithWrappedException(h3, r3.ex);
2204	>	r1.assertInvoked();
2205	>	r2.assertInvoked();
2206	>	r3.assertInvoked();
2207	>	checkCompletedNormally(f, v1);
2208	>	checkCompletedNormally(g, v2);
2209	>	}}
2210
2211		/**
2212		* applyToEither result completes normally after normal completion
2213		* of either source
2214		*/
2215	<	public void testApplyToEither() {
2216	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2217	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2218	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2219	<	f.complete(one);
2220	<	checkCompletedNormally(g, two);
2221	<	f2.complete(one);
2222	<	checkCompletedNormally(g, two);
2223	<
2224	<	f = new CompletableFuture<Integer>();
2225	<	f.complete(one);
2226	<	f2 = new CompletableFuture<Integer>();
2227	<	g = f.applyToEither(f2, inc);
2228	<	checkCompletedNormally(g, two);
2229	<	}
2215	>	public void testApplyToEither_normalCompletion() {
2216	>	for (ExecutionMode m : ExecutionMode.values())
2217	>	for (Integer v1 : new Integer[] { 1, null })
2218	>	for (Integer v2 : new Integer[] { 2, null })
2219	>	{
2220	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2221	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2222	>	final IncFunction[] rs = new IncFunction[6];
2223	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2224	>
2225	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2226	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2227	>	checkIncomplete(h0);
2228	>	checkIncomplete(h1);
2229	>	rs[0].assertNotInvoked();
2230	>	rs[1].assertNotInvoked();
2231	>	f.complete(v1);
2232	>	checkCompletedNormally(h0, inc(v1));
2233	>	checkCompletedNormally(h1, inc(v1));
2234	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2235	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2236	>	checkCompletedNormally(h2, inc(v1));
2237	>	checkCompletedNormally(h3, inc(v1));
2238	>	g.complete(v2);
2239	>
2240	>	// unspecified behavior - both source completions available
2241	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2242	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2243	>	rs[4].assertValue(h4.join());
2244	>	rs[5].assertValue(h5.join());
2245	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2246	>	Objects.equals(inc(v2), h4.join()));
2247	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2248	>	Objects.equals(inc(v2), h5.join()));
2249	>
2250	>	checkCompletedNormally(f, v1);
2251	>	checkCompletedNormally(g, v2);
2252	>	checkCompletedNormally(h0, inc(v1));
2253	>	checkCompletedNormally(h1, inc(v1));
2254	>	checkCompletedNormally(h2, inc(v1));
2255	>	checkCompletedNormally(h3, inc(v1));
2256	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2257	>	}}
2258
2259		/**
2260		* applyToEither result completes exceptionally after exceptional
2261		* completion of either source
2262		*/
2263	<	public void testApplyToEither2() {
2264	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2265	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2266	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2267	<	f.completeExceptionally(new CFException());
2268	<	f2.complete(one);
2269	<	checkCompletedWithWrappedCFException(g);
2263	>	public void testApplyToEither_exceptionalCompletion() {
2264	>	for (ExecutionMode m : ExecutionMode.values())
2265	>	for (Integer v1 : new Integer[] { 1, null })
2266	>	{
2267	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2268	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2269	>	final CFException ex = new CFException();
2270	>	final IncFunction[] rs = new IncFunction[6];
2271	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2272	>
2273	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2274	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2275	>	checkIncomplete(h0);
2276	>	checkIncomplete(h1);
2277	>	rs[0].assertNotInvoked();
2278	>	rs[1].assertNotInvoked();
2279	>	f.completeExceptionally(ex);
2280	>	checkCompletedWithWrappedException(h0, ex);
2281	>	checkCompletedWithWrappedException(h1, ex);
2282	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2283	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2284	>	checkCompletedWithWrappedException(h2, ex);
2285	>	checkCompletedWithWrappedException(h3, ex);
2286	>	g.complete(v1);
2287	>
2288	>	// unspecified behavior - both source completions available
2289	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2290	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2291	>	try {
2292	>	assertEquals(inc(v1), h4.join());
2293	>	rs[4].assertValue(inc(v1));
2294	>	} catch (CompletionException ok) {
2295	>	checkCompletedWithWrappedException(h4, ex);
2296	>	rs[4].assertNotInvoked();
2297	>	}
2298	>	try {
2299	>	assertEquals(inc(v1), h5.join());
2300	>	rs[5].assertValue(inc(v1));
2301	>	} catch (CompletionException ok) {
2302	>	checkCompletedWithWrappedException(h5, ex);
2303	>	rs[5].assertNotInvoked();
2304	>	}
2305
2306	<	f = new CompletableFuture<Integer>();
2307	<	f2 = new CompletableFuture<Integer>();
2308	<	f2.completeExceptionally(new CFException());
2309	<	g = f.applyToEither(f2, inc);
2310	<	checkCompletedWithWrappedCFException(g);
2311	<	}
2306	>	checkCompletedExceptionally(f, ex);
2307	>	checkCompletedNormally(g, v1);
2308	>	checkCompletedWithWrappedException(h0, ex);
2309	>	checkCompletedWithWrappedException(h1, ex);
2310	>	checkCompletedWithWrappedException(h2, ex);
2311	>	checkCompletedWithWrappedException(h3, ex);
2312	>	checkCompletedWithWrappedException(h4, ex);
2313	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2314	>	}}
2315	>
2316	>	public void testApplyToEither_exceptionalCompletion2() {
2317	>	for (ExecutionMode m : ExecutionMode.values())
2318	>	for (boolean fFirst : new boolean[] { true, false })
2319	>	for (Integer v1 : new Integer[] { 1, null })
2320	>	{
2321	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2322	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2323	>	final CFException ex = new CFException();
2324	>	final IncFunction[] rs = new IncFunction[6];
2325	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2326	>
2327	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2328	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2329	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2330	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2331	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2332	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2333	>
2334	>	// unspecified behavior - both source completions available
2335	>	try {
2336	>	assertEquals(inc(v1), h0.join());
2337	>	rs[0].assertValue(inc(v1));
2338	>	} catch (CompletionException ok) {
2339	>	checkCompletedWithWrappedException(h0, ex);
2340	>	rs[0].assertNotInvoked();
2341	>	}
2342	>	try {
2343	>	assertEquals(inc(v1), h1.join());
2344	>	rs[1].assertValue(inc(v1));
2345	>	} catch (CompletionException ok) {
2346	>	checkCompletedWithWrappedException(h1, ex);
2347	>	rs[1].assertNotInvoked();
2348	>	}
2349	>	try {
2350	>	assertEquals(inc(v1), h2.join());
2351	>	rs[2].assertValue(inc(v1));
2352	>	} catch (CompletionException ok) {
2353	>	checkCompletedWithWrappedException(h2, ex);
2354	>	rs[2].assertNotInvoked();
2355	>	}
2356	>	try {
2357	>	assertEquals(inc(v1), h3.join());
2358	>	rs[3].assertValue(inc(v1));
2359	>	} catch (CompletionException ok) {
2360	>	checkCompletedWithWrappedException(h3, ex);
2361	>	rs[3].assertNotInvoked();
2362	>	}
2363	>
2364	>	checkCompletedNormally(f, v1);
2365	>	checkCompletedExceptionally(g, ex);
2366	>	}}
2367
2368		/**
2369	<	* applyToEither result completes exceptionally if action does
2369	>	* applyToEither result completes exceptionally if either source cancelled
2370		*/
2371	<	public void testApplyToEither3() {
2372	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2373	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2374	<	FailingFunction r = new FailingFunction();
2375	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2376	<	f2.complete(two);
2377	<	checkCompletedWithWrappedCFException(g);
2378	<	}
2371	>	public void testApplyToEither_sourceCancelled() {
2372	>	for (ExecutionMode m : ExecutionMode.values())
2373	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2374	>	for (Integer v1 : new Integer[] { 1, null })
2375	>	{
2376	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2377	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2378	>	final IncFunction[] rs = new IncFunction[6];
2379	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2380	>
2381	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2382	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2383	>	checkIncomplete(h0);
2384	>	checkIncomplete(h1);
2385	>	rs[0].assertNotInvoked();
2386	>	rs[1].assertNotInvoked();
2387	>	f.cancel(mayInterruptIfRunning);
2388	>	checkCompletedWithWrappedCancellationException(h0);
2389	>	checkCompletedWithWrappedCancellationException(h1);
2390	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2391	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2392	>	checkCompletedWithWrappedCancellationException(h2);
2393	>	checkCompletedWithWrappedCancellationException(h3);
2394	>	g.complete(v1);
2395	>
2396	>	// unspecified behavior - both source completions available
2397	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2398	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2399	>	try {
2400	>	assertEquals(inc(v1), h4.join());
2401	>	rs[4].assertValue(inc(v1));
2402	>	} catch (CompletionException ok) {
2403	>	checkCompletedWithWrappedCancellationException(h4);
2404	>	rs[4].assertNotInvoked();
2405	>	}
2406	>	try {
2407	>	assertEquals(inc(v1), h5.join());
2408	>	rs[5].assertValue(inc(v1));
2409	>	} catch (CompletionException ok) {
2410	>	checkCompletedWithWrappedCancellationException(h5);
2411	>	rs[5].assertNotInvoked();
2412	>	}
2413	>
2414	>	checkCancelled(f);
2415	>	checkCompletedNormally(g, v1);
2416	>	checkCompletedWithWrappedCancellationException(h0);
2417	>	checkCompletedWithWrappedCancellationException(h1);
2418	>	checkCompletedWithWrappedCancellationException(h2);
2419	>	checkCompletedWithWrappedCancellationException(h3);
2420	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2421	>	}}
2422	>
2423	>	public void testApplyToEither_sourceCancelled2() {
2424	>	for (ExecutionMode m : ExecutionMode.values())
2425	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2426	>	for (boolean fFirst : new boolean[] { true, false })
2427	>	for (Integer v1 : new Integer[] { 1, null })
2428	>	{
2429	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2430	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2431	>	final IncFunction[] rs = new IncFunction[6];
2432	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2433	>
2434	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2435	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2436	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2437	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2438	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2439	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2440	>
2441	>	// unspecified behavior - both source completions available
2442	>	try {
2443	>	assertEquals(inc(v1), h0.join());
2444	>	rs[0].assertValue(inc(v1));
2445	>	} catch (CompletionException ok) {
2446	>	checkCompletedWithWrappedCancellationException(h0);
2447	>	rs[0].assertNotInvoked();
2448	>	}
2449	>	try {
2450	>	assertEquals(inc(v1), h1.join());
2451	>	rs[1].assertValue(inc(v1));
2452	>	} catch (CompletionException ok) {
2453	>	checkCompletedWithWrappedCancellationException(h1);
2454	>	rs[1].assertNotInvoked();
2455	>	}
2456	>	try {
2457	>	assertEquals(inc(v1), h2.join());
2458	>	rs[2].assertValue(inc(v1));
2459	>	} catch (CompletionException ok) {
2460	>	checkCompletedWithWrappedCancellationException(h2);
2461	>	rs[2].assertNotInvoked();
2462	>	}
2463	>	try {
2464	>	assertEquals(inc(v1), h3.join());
2465	>	rs[3].assertValue(inc(v1));
2466	>	} catch (CompletionException ok) {
2467	>	checkCompletedWithWrappedCancellationException(h3);
2468	>	rs[3].assertNotInvoked();
2469	>	}
2470	>
2471	>	checkCompletedNormally(f, v1);
2472	>	checkCancelled(g);
2473	>	}}
2474
2475		/**
2476	<	* applyToEither result completes exceptionally if either source cancelled
2476	>	* applyToEither result completes exceptionally if action does
2477		*/
2478	<	public void testApplyToEither4() {
2479	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2480	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2481	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2482	<	assertTrue(f.cancel(true));
2483	<	checkCompletedWithWrappedCancellationException(g);
2484	<	f = new CompletableFuture<Integer>();
2485	<	f2 = new CompletableFuture<Integer>();
2486	<	assertTrue(f2.cancel(true));
2487	<	checkCompletedWithWrappedCancellationException(g);
2488	<	}
2478	>	public void testApplyToEither_actionFailed() {
2479	>	for (ExecutionMode m : ExecutionMode.values())
2480	>	for (Integer v1 : new Integer[] { 1, null })
2481	>	for (Integer v2 : new Integer[] { 2, null })
2482	>	{
2483	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2484	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2485	>	final FailingFunction[] rs = new FailingFunction[6];
2486	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2487	>
2488	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2489	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2490	>	f.complete(v1);
2491	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2492	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2493	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2494	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2495	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2496	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2497	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2498	>
2499	>	g.complete(v2);
2500	>
2501	>	// unspecified behavior - both source completions available
2502	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2503	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2504	>
2505	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2506	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2507	>	Objects.equals(v2, rs[4].value));
2508	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2509	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2510	>	Objects.equals(v2, rs[5].value));
2511	>
2512	>	checkCompletedNormally(f, v1);
2513	>	checkCompletedNormally(g, v2);
2514	>	}}
2515
2516		/**
2517		* acceptEither result completes normally after normal completion
2518		* of either source
2519		*/
2520	<	public void testAcceptEither() {
2521	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2522	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2523	<	IncAction r = new IncAction();
2524	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2525	<	f.complete(one);
2526	<	checkCompletedNormally(g, null);
2527	<	f2.complete(one);
2528	<	checkCompletedNormally(g, null);
2529	<	assertEquals(r.value, 2);
2530	<
2531	<	r = new IncAction();
2532	<	f = new CompletableFuture<Integer>();
2533	<	f.complete(one);
2534	<	f2 = new CompletableFuture<Integer>();
2535	<	g = f.acceptEither(f2, r);
2536	<	checkCompletedNormally(g, null);
2537	<	assertEquals(r.value, 2);
2538	<	}
2520	>	public void testAcceptEither_normalCompletion() {
2521	>	for (ExecutionMode m : ExecutionMode.values())
2522	>	for (Integer v1 : new Integer[] { 1, null })
2523	>	for (Integer v2 : new Integer[] { 2, null })
2524	>	{
2525	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2526	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2527	>	final NoopConsumer[] rs = new NoopConsumer[6];
2528	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2529	>
2530	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2531	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2532	>	checkIncomplete(h0);
2533	>	checkIncomplete(h1);
2534	>	rs[0].assertNotInvoked();
2535	>	rs[1].assertNotInvoked();
2536	>	f.complete(v1);
2537	>	checkCompletedNormally(h0, null);
2538	>	checkCompletedNormally(h1, null);
2539	>	rs[0].assertValue(v1);
2540	>	rs[1].assertValue(v1);
2541	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2542	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2543	>	checkCompletedNormally(h2, null);
2544	>	checkCompletedNormally(h3, null);
2545	>	rs[2].assertValue(v1);
2546	>	rs[3].assertValue(v1);
2547	>	g.complete(v2);
2548	>
2549	>	// unspecified behavior - both source completions available
2550	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2551	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2552	>	checkCompletedNormally(h4, null);
2553	>	checkCompletedNormally(h5, null);
2554	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2555	>	Objects.equals(v2, rs[4].value));
2556	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2557	>	Objects.equals(v2, rs[5].value));
2558	>
2559	>	checkCompletedNormally(f, v1);
2560	>	checkCompletedNormally(g, v2);
2561	>	checkCompletedNormally(h0, null);
2562	>	checkCompletedNormally(h1, null);
2563	>	checkCompletedNormally(h2, null);
2564	>	checkCompletedNormally(h3, null);
2565	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2566	>	}}
2567
2568		/**
2569		* acceptEither result completes exceptionally after exceptional
2570		* completion of either source
2571		*/
2572	<	public void testAcceptEither2() {
2573	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2574	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2575	<	IncAction r = new IncAction();
2576	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2577	<	f.completeExceptionally(new CFException());
2578	<	f2.complete(one);
2579	<	checkCompletedWithWrappedCFException(g);
2572	>	public void testAcceptEither_exceptionalCompletion() {
2573	>	for (ExecutionMode m : ExecutionMode.values())
2574	>	for (Integer v1 : new Integer[] { 1, null })
2575	>	{
2576	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2577	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2578	>	final CFException ex = new CFException();
2579	>	final NoopConsumer[] rs = new NoopConsumer[6];
2580	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2581	>
2582	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2583	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2584	>	checkIncomplete(h0);
2585	>	checkIncomplete(h1);
2586	>	rs[0].assertNotInvoked();
2587	>	rs[1].assertNotInvoked();
2588	>	f.completeExceptionally(ex);
2589	>	checkCompletedWithWrappedException(h0, ex);
2590	>	checkCompletedWithWrappedException(h1, ex);
2591	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2592	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2593	>	checkCompletedWithWrappedException(h2, ex);
2594	>	checkCompletedWithWrappedException(h3, ex);
2595	>
2596	>	g.complete(v1);
2597	>
2598	>	// unspecified behavior - both source completions available
2599	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2600	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2601	>	try {
2602	>	assertNull(h4.join());
2603	>	rs[4].assertValue(v1);
2604	>	} catch (CompletionException ok) {
2605	>	checkCompletedWithWrappedException(h4, ex);
2606	>	rs[4].assertNotInvoked();
2607	>	}
2608	>	try {
2609	>	assertNull(h5.join());
2610	>	rs[5].assertValue(v1);
2611	>	} catch (CompletionException ok) {
2612	>	checkCompletedWithWrappedException(h5, ex);
2613	>	rs[5].assertNotInvoked();
2614	>	}
2615
2616	<	r = new IncAction();
2617	<	f = new CompletableFuture<Integer>();
2618	<	f2 = new CompletableFuture<Integer>();
2619	<	f2.completeExceptionally(new CFException());
2620	<	g = f.acceptEither(f2, r);
2621	<	checkCompletedWithWrappedCFException(g);
2622	<	}
2616	>	checkCompletedExceptionally(f, ex);
2617	>	checkCompletedNormally(g, v1);
2618	>	checkCompletedWithWrappedException(h0, ex);
2619	>	checkCompletedWithWrappedException(h1, ex);
2620	>	checkCompletedWithWrappedException(h2, ex);
2621	>	checkCompletedWithWrappedException(h3, ex);
2622	>	checkCompletedWithWrappedException(h4, ex);
2623	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2624	>	}}
2625	>
2626	>	public void testAcceptEither_exceptionalCompletion2() {
2627	>	for (ExecutionMode m : ExecutionMode.values())
2628	>	for (boolean fFirst : new boolean[] { true, false })
2629	>	for (Integer v1 : new Integer[] { 1, null })
2630	>	{
2631	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2632	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2633	>	final CFException ex = new CFException();
2634	>	final NoopConsumer[] rs = new NoopConsumer[6];
2635	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2636	>
2637	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2638	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2639	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2640	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2641	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2642	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2643
2644	<	/**
2645	<	* acceptEither result completes exceptionally if action does
2646	<	*/
2647	<	public void testAcceptEither3() {
2648	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2649	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2650	<	FailingConsumer r = new FailingConsumer();
2651	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2652	<	f2.complete(two);
2653	<	checkCompletedWithWrappedCFException(g);
2654	<	}
2644	>	// unspecified behavior - both source completions available
2645	>	try {
2646	>	assertNull(h0.join());
2647	>	rs[0].assertValue(v1);
2648	>	} catch (CompletionException ok) {
2649	>	checkCompletedWithWrappedException(h0, ex);
2650	>	rs[0].assertNotInvoked();
2651	>	}
2652	>	try {
2653	>	assertNull(h1.join());
2654	>	rs[1].assertValue(v1);
2655	>	} catch (CompletionException ok) {
2656	>	checkCompletedWithWrappedException(h1, ex);
2657	>	rs[1].assertNotInvoked();
2658	>	}
2659	>	try {
2660	>	assertNull(h2.join());
2661	>	rs[2].assertValue(v1);
2662	>	} catch (CompletionException ok) {
2663	>	checkCompletedWithWrappedException(h2, ex);
2664	>	rs[2].assertNotInvoked();
2665	>	}
2666	>	try {
2667	>	assertNull(h3.join());
2668	>	rs[3].assertValue(v1);
2669	>	} catch (CompletionException ok) {
2670	>	checkCompletedWithWrappedException(h3, ex);
2671	>	rs[3].assertNotInvoked();
2672	>	}
2673	>
2674	>	checkCompletedNormally(f, v1);
2675	>	checkCompletedExceptionally(g, ex);
2676	>	}}
2677
2678		/**
2679		* acceptEither result completes exceptionally if either source cancelled
2680		*/
2681	<	public void testAcceptEither4() {
2682	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2683	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2684	<	IncAction r = new IncAction();
2685	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2686	<	assertTrue(f.cancel(true));
2687	<	checkCompletedWithWrappedCancellationException(g);
2688	<	f = new CompletableFuture<Integer>();
2689	<	f2 = new CompletableFuture<Integer>();
2690	<	assertTrue(f2.cancel(true));
2691	<	checkCompletedWithWrappedCancellationException(g);
2692	<	}
2681	>	public void testAcceptEither_sourceCancelled() {
2682	>	for (ExecutionMode m : ExecutionMode.values())
2683	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2684	>	for (Integer v1 : new Integer[] { 1, null })
2685	>	{
2686	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2687	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2688	>	final NoopConsumer[] rs = new NoopConsumer[6];
2689	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2690	>
2691	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2692	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2693	>	checkIncomplete(h0);
2694	>	checkIncomplete(h1);
2695	>	rs[0].assertNotInvoked();
2696	>	rs[1].assertNotInvoked();
2697	>	f.cancel(mayInterruptIfRunning);
2698	>	checkCompletedWithWrappedCancellationException(h0);
2699	>	checkCompletedWithWrappedCancellationException(h1);
2700	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2701	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2702	>	checkCompletedWithWrappedCancellationException(h2);
2703	>	checkCompletedWithWrappedCancellationException(h3);
2704	>
2705	>	g.complete(v1);
2706	>
2707	>	// unspecified behavior - both source completions available
2708	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2709	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2710	>	try {
2711	>	assertNull(h4.join());
2712	>	rs[4].assertValue(v1);
2713	>	} catch (CompletionException ok) {
2714	>	checkCompletedWithWrappedCancellationException(h4);
2715	>	rs[4].assertNotInvoked();
2716	>	}
2717	>	try {
2718	>	assertNull(h5.join());
2719	>	rs[5].assertValue(v1);
2720	>	} catch (CompletionException ok) {
2721	>	checkCompletedWithWrappedCancellationException(h5);
2722	>	rs[5].assertNotInvoked();
2723	>	}
2724
2725	+	checkCancelled(f);
2726	+	checkCompletedNormally(g, v1);
2727	+	checkCompletedWithWrappedCancellationException(h0);
2728	+	checkCompletedWithWrappedCancellationException(h1);
2729	+	checkCompletedWithWrappedCancellationException(h2);
2730	+	checkCompletedWithWrappedCancellationException(h3);
2731	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2732	+	}}
2733	+
2734	+	/**
2735	+	* acceptEither result completes exceptionally if action does
2736	+	*/
2737	+	public void testAcceptEither_actionFailed() {
2738	+	for (ExecutionMode m : ExecutionMode.values())
2739	+	for (Integer v1 : new Integer[] { 1, null })
2740	+	for (Integer v2 : new Integer[] { 2, null })
2741	+	{
2742	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2743	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2744	+	final FailingConsumer[] rs = new FailingConsumer[6];
2745	+	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2746	+
2747	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2748	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2749	+	f.complete(v1);
2750	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2751	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2752	+	checkCompletedWithWrappedException(h0, rs[0].ex);
2753	+	checkCompletedWithWrappedException(h1, rs[1].ex);
2754	+	checkCompletedWithWrappedException(h2, rs[2].ex);
2755	+	checkCompletedWithWrappedException(h3, rs[3].ex);
2756	+	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2757	+
2758	+	g.complete(v2);
2759	+
2760	+	// unspecified behavior - both source completions available
2761	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2762	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2763	+
2764	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2765	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2766	+	Objects.equals(v2, rs[4].value));
2767	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2768	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2769	+	Objects.equals(v2, rs[5].value));
2770	+
2771	+	checkCompletedNormally(f, v1);
2772	+	checkCompletedNormally(g, v2);
2773	+	}}
2774
2775		/**
2776		* runAfterEither result completes normally after normal completion
2777		* of either source
2778		*/
2779	<	public void testRunAfterEither() {
2780	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2781	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2782	<	Noop r = new Noop();
2783	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2784	<	f.complete(one);
2785	<	checkCompletedNormally(g, null);
2786	<	f2.complete(one);
2787	<	checkCompletedNormally(g, null);
2788	<	assertTrue(r.ran);
2789	<
2790	<	r = new Noop();
2791	<	f = new CompletableFuture<Integer>();
2792	<	f.complete(one);
2793	<	f2 = new CompletableFuture<Integer>();
2794	<	g = f.runAfterEither(f2, r);
2795	<	checkCompletedNormally(g, null);
2796	<	assertTrue(r.ran);
2797	<	}
2779	>	public void testRunAfterEither_normalCompletion() {
2780	>	for (ExecutionMode m : ExecutionMode.values())
2781	>	for (Integer v1 : new Integer[] { 1, null })
2782	>	for (Integer v2 : new Integer[] { 2, null })
2783	>	for (boolean pushNop : new boolean[] { true, false })
2784	>	{
2785	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2786	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2787	>	final Noop[] rs = new Noop[6];
2788	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2789	>
2790	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2791	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2792	>	checkIncomplete(h0);
2793	>	checkIncomplete(h1);
2794	>	rs[0].assertNotInvoked();
2795	>	rs[1].assertNotInvoked();
2796	>	if (pushNop) {          // ad hoc test of intra-completion interference
2797	>	m.thenRun(f, () -> {});
2798	>	m.thenRun(g, () -> {});
2799	>	}
2800	>	f.complete(v1);
2801	>	checkCompletedNormally(h0, null);
2802	>	checkCompletedNormally(h1, null);
2803	>	rs[0].assertInvoked();
2804	>	rs[1].assertInvoked();
2805	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2806	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2807	>	checkCompletedNormally(h2, null);
2808	>	checkCompletedNormally(h3, null);
2809	>	rs[2].assertInvoked();
2810	>	rs[3].assertInvoked();
2811	>
2812	>	g.complete(v2);
2813	>
2814	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2815	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2816	>
2817	>	checkCompletedNormally(f, v1);
2818	>	checkCompletedNormally(g, v2);
2819	>	checkCompletedNormally(h0, null);
2820	>	checkCompletedNormally(h1, null);
2821	>	checkCompletedNormally(h2, null);
2822	>	checkCompletedNormally(h3, null);
2823	>	checkCompletedNormally(h4, null);
2824	>	checkCompletedNormally(h5, null);
2825	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2826	>	}}
2827
2828		/**
2829		* runAfterEither result completes exceptionally after exceptional
2830		* completion of either source
2831		*/
2832	<	public void testRunAfterEither2() {
2833	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2834	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2835	<	Noop r = new Noop();
2836	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2837	<	f.completeExceptionally(new CFException());
2838	<	f2.complete(one);
2839	<	checkCompletedWithWrappedCFException(g);
2832	>	public void testRunAfterEither_exceptionalCompletion() {
2833	>	for (ExecutionMode m : ExecutionMode.values())
2834	>	for (Integer v1 : new Integer[] { 1, null })
2835	>	{
2836	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2837	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2838	>	final CFException ex = new CFException();
2839	>	final Noop[] rs = new Noop[6];
2840	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2841	>
2842	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2843	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2844	>	checkIncomplete(h0);
2845	>	checkIncomplete(h1);
2846	>	rs[0].assertNotInvoked();
2847	>	rs[1].assertNotInvoked();
2848	>	assertTrue(f.completeExceptionally(ex));
2849	>	checkCompletedWithWrappedException(h0, ex);
2850	>	checkCompletedWithWrappedException(h1, ex);
2851	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2852	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2853	>	checkCompletedWithWrappedException(h2, ex);
2854	>	checkCompletedWithWrappedException(h3, ex);
2855	>
2856	>	assertTrue(g.complete(v1));
2857	>
2858	>	// unspecified behavior - both source completions available
2859	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2860	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2861	>	try {
2862	>	assertNull(h4.join());
2863	>	rs[4].assertInvoked();
2864	>	} catch (CompletionException ok) {
2865	>	checkCompletedWithWrappedException(h4, ex);
2866	>	rs[4].assertNotInvoked();
2867	>	}
2868	>	try {
2869	>	assertNull(h5.join());
2870	>	rs[5].assertInvoked();
2871	>	} catch (CompletionException ok) {
2872	>	checkCompletedWithWrappedException(h5, ex);
2873	>	rs[5].assertNotInvoked();
2874	>	}
2875
2876	<	r = new Noop();
2877	<	f = new CompletableFuture<Integer>();
2878	<	f2 = new CompletableFuture<Integer>();
2879	<	f2.completeExceptionally(new CFException());
2880	<	g = f.runAfterEither(f2, r);
2881	<	checkCompletedWithWrappedCFException(g);
2882	<	}
2876	>	checkCompletedExceptionally(f, ex);
2877	>	checkCompletedNormally(g, v1);
2878	>	checkCompletedWithWrappedException(h0, ex);
2879	>	checkCompletedWithWrappedException(h1, ex);
2880	>	checkCompletedWithWrappedException(h2, ex);
2881	>	checkCompletedWithWrappedException(h3, ex);
2882	>	checkCompletedWithWrappedException(h4, ex);
2883	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2884	>	}}
2885	>
2886	>	public void testRunAfterEither_exceptionalCompletion2() {
2887	>	for (ExecutionMode m : ExecutionMode.values())
2888	>	for (boolean fFirst : new boolean[] { true, false })
2889	>	for (Integer v1 : new Integer[] { 1, null })
2890	>	{
2891	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2892	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2893	>	final CFException ex = new CFException();
2894	>	final Noop[] rs = new Noop[6];
2895	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2896	>
2897	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2898	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2899	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2900	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2901	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2902	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2903	>
2904	>	// unspecified behavior - both source completions available
2905	>	try {
2906	>	assertNull(h0.join());
2907	>	rs[0].assertInvoked();
2908	>	} catch (CompletionException ok) {
2909	>	checkCompletedWithWrappedException(h0, ex);
2910	>	rs[0].assertNotInvoked();
2911	>	}
2912	>	try {
2913	>	assertNull(h1.join());
2914	>	rs[1].assertInvoked();
2915	>	} catch (CompletionException ok) {
2916	>	checkCompletedWithWrappedException(h1, ex);
2917	>	rs[1].assertNotInvoked();
2918	>	}
2919	>	try {
2920	>	assertNull(h2.join());
2921	>	rs[2].assertInvoked();
2922	>	} catch (CompletionException ok) {
2923	>	checkCompletedWithWrappedException(h2, ex);
2924	>	rs[2].assertNotInvoked();
2925	>	}
2926	>	try {
2927	>	assertNull(h3.join());
2928	>	rs[3].assertInvoked();
2929	>	} catch (CompletionException ok) {
2930	>	checkCompletedWithWrappedException(h3, ex);
2931	>	rs[3].assertNotInvoked();
2932	>	}
2933	>
2934	>	checkCompletedNormally(f, v1);
2935	>	checkCompletedExceptionally(g, ex);
2936	>	}}
2937
2938		/**
2939	<	* runAfterEither result completes exceptionally if action does
2939	>	* runAfterEither result completes exceptionally if either source cancelled
2940		*/
2941	<	public void testRunAfterEither3() {
2942	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2943	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2944	<	FailingNoop r = new FailingNoop();
2945	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2946	<	f2.complete(two);
2947	<	checkCompletedWithWrappedCFException(g);
2948	<	}
2941	>	public void testRunAfterEither_sourceCancelled() {
2942	>	for (ExecutionMode m : ExecutionMode.values())
2943	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2944	>	for (Integer v1 : new Integer[] { 1, null })
2945	>	{
2946	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2947	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2948	>	final Noop[] rs = new Noop[6];
2949	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2950	>
2951	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2952	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2953	>	checkIncomplete(h0);
2954	>	checkIncomplete(h1);
2955	>	rs[0].assertNotInvoked();
2956	>	rs[1].assertNotInvoked();
2957	>	f.cancel(mayInterruptIfRunning);
2958	>	checkCompletedWithWrappedCancellationException(h0);
2959	>	checkCompletedWithWrappedCancellationException(h1);
2960	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2961	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2962	>	checkCompletedWithWrappedCancellationException(h2);
2963	>	checkCompletedWithWrappedCancellationException(h3);
2964	>
2965	>	assertTrue(g.complete(v1));
2966	>
2967	>	// unspecified behavior - both source completions available
2968	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2969	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2970	>	try {
2971	>	assertNull(h4.join());
2972	>	rs[4].assertInvoked();
2973	>	} catch (CompletionException ok) {
2974	>	checkCompletedWithWrappedCancellationException(h4);
2975	>	rs[4].assertNotInvoked();
2976	>	}
2977	>	try {
2978	>	assertNull(h5.join());
2979	>	rs[5].assertInvoked();
2980	>	} catch (CompletionException ok) {
2981	>	checkCompletedWithWrappedCancellationException(h5);
2982	>	rs[5].assertNotInvoked();
2983	>	}
2984	>
2985	>	checkCancelled(f);
2986	>	checkCompletedNormally(g, v1);
2987	>	checkCompletedWithWrappedCancellationException(h0);
2988	>	checkCompletedWithWrappedCancellationException(h1);
2989	>	checkCompletedWithWrappedCancellationException(h2);
2990	>	checkCompletedWithWrappedCancellationException(h3);
2991	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2992	>	}}
2993
2994		/**
2995	<	* runAfterEither result completes exceptionally if either source cancelled
2995	>	* runAfterEither result completes exceptionally if action does
2996		*/
2997	<	public void testRunAfterEither4() {
2998	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2999	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3000	<	Noop r = new Noop();
3001	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3002	<	assertTrue(f.cancel(true));
3003	<	checkCompletedWithWrappedCancellationException(g);
3004	<	f = new CompletableFuture<Integer>();
3005	<	f2 = new CompletableFuture<Integer>();
3006	<	assertTrue(f2.cancel(true));
3007	<	checkCompletedWithWrappedCancellationException(g);
3008	<	}
2997	>	public void testRunAfterEither_actionFailed() {
2998	>	for (ExecutionMode m : ExecutionMode.values())
2999	>	for (Integer v1 : new Integer[] { 1, null })
3000	>	for (Integer v2 : new Integer[] { 2, null })
3001	>	{
3002	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3003	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3004	>	final FailingRunnable[] rs = new FailingRunnable[6];
3005	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3006	>
3007	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3008	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3009	>	assertTrue(f.complete(v1));
3010	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3011	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3012	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3013	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3014	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3015	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3016	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3017	>	assertTrue(g.complete(v2));
3018	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3019	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3020	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3021	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3022	>
3023	>	checkCompletedNormally(f, v1);
3024	>	checkCompletedNormally(g, v2);
3025	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3026	>	}}
3027
3028		/**
3029		* thenCompose result completes normally after normal completion of source
3030		*/
3031	<	public void testThenCompose() {
3032	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3033	<	CompletableFutureInc r = new CompletableFutureInc();
3034	<	CompletableFuture<Integer> g = f.thenCompose(r);
3035	<	f.complete(one);
3036	<	checkCompletedNormally(g, two);
3037	<	}
3031	>	public void testThenCompose_normalCompletion() {
3032	>	for (ExecutionMode m : ExecutionMode.values())
3033	>	for (boolean createIncomplete : new boolean[] { true, false })
3034	>	for (Integer v1 : new Integer[] { 1, null })
3035	>	{
3036	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3037	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3038	>	if (!createIncomplete) assertTrue(f.complete(v1));
3039	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3040	>	if (createIncomplete) assertTrue(f.complete(v1));
3041	>
3042	>	checkCompletedNormally(g, inc(v1));
3043	>	checkCompletedNormally(f, v1);
3044	>	r.assertValue(v1);
3045	>	}}
3046
3047		/**
3048		* thenCompose result completes exceptionally after exceptional
3049		* completion of source
3050		*/
3051	<	public void testThenCompose2() {
3052	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3053	<	CompletableFutureInc r = new CompletableFutureInc();
3054	<	CompletableFuture<Integer> g = f.thenCompose(r);
3055	<	f.completeExceptionally(new CFException());
3056	<	checkCompletedWithWrappedCFException(g);
3057	<	}
3051	>	public void testThenCompose_exceptionalCompletion() {
3052	>	for (ExecutionMode m : ExecutionMode.values())
3053	>	for (boolean createIncomplete : new boolean[] { true, false })
3054	>	{
3055	>	final CFException ex = new CFException();
3056	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3057	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3058	>	if (!createIncomplete) f.completeExceptionally(ex);
3059	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3060	>	if (createIncomplete) f.completeExceptionally(ex);
3061	>
3062	>	checkCompletedWithWrappedException(g, ex);
3063	>	checkCompletedExceptionally(f, ex);
3064	>	r.assertNotInvoked();
3065	>	}}
3066
3067		/**
3068		* thenCompose result completes exceptionally if action does
3069		*/
3070	<	public void testThenCompose3() {
3071	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3072	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3073	<	CompletableFuture<Integer> g = f.thenCompose(r);
3074	<	f.complete(one);
3075	<	checkCompletedWithWrappedCFException(g);
3076	<	}
3070	>	public void testThenCompose_actionFailed() {
3071	>	for (ExecutionMode m : ExecutionMode.values())
3072	>	for (boolean createIncomplete : new boolean[] { true, false })
3073	>	for (Integer v1 : new Integer[] { 1, null })
3074	>	{
3075	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3076	>	final FailingCompletableFutureFunction r
3077	>	= new FailingCompletableFutureFunction(m);
3078	>	if (!createIncomplete) assertTrue(f.complete(v1));
3079	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3080	>	if (createIncomplete) assertTrue(f.complete(v1));
3081	>
3082	>	checkCompletedWithWrappedException(g, r.ex);
3083	>	checkCompletedNormally(f, v1);
3084	>	}}
3085
3086		/**
3087		* thenCompose result completes exceptionally if source cancelled
3088		*/
3089	<	public void testThenCompose4() {
3090	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3091	<	CompletableFutureInc r = new CompletableFutureInc();
3092	<	CompletableFuture<Integer> g = f.thenCompose(r);
3093	<	assertTrue(f.cancel(true));
3094	<	checkCompletedWithWrappedCancellationException(g);
3095	<	}
3096	<
3089	>	public void testThenCompose_sourceCancelled() {
3090	>	for (ExecutionMode m : ExecutionMode.values())
3091	>	for (boolean createIncomplete : new boolean[] { true, false })
3092	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3093	>	{
3094	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3095	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3096	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3097	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3098	>	if (createIncomplete) {
3099	>	checkIncomplete(g);
3100	>	assertTrue(f.cancel(mayInterruptIfRunning));
3101	>	}
3102
3103	<	// asyncs
3103	>	checkCompletedWithWrappedCancellationException(g);
3104	>	checkCancelled(f);
3105	>	}}
3106
3107		/**
3108	<	* thenRunAsync result completes normally after normal completion of source
3108	>	* thenCompose result completes exceptionally if the result of the action does
3109		*/
3110	<	public void testThenRunAsync() {
3111	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3112	<	Noop r = new Noop();
3113	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3114	<	f.complete(null);
3115	<	checkCompletedNormally(g, null);
3110	>	public void testThenCompose_actionReturnsFailingFuture() {
3111	>	for (ExecutionMode m : ExecutionMode.values())
3112	>	for (int order = 0; order < 6; order++)
3113	>	for (Integer v1 : new Integer[] { 1, null })
3114	>	{
3115	>	final CFException ex = new CFException();
3116	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3117	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3118	>	final CompletableFuture<Integer> h;
3119	>	// Test all permutations of orders
3120	>	switch (order) {
3121	>	case 0:
3122	>	assertTrue(f.complete(v1));
3123	>	assertTrue(g.completeExceptionally(ex));
3124	>	h = m.thenCompose(f, (x -> g));
3125	>	break;
3126	>	case 1:
3127	>	assertTrue(f.complete(v1));
3128	>	h = m.thenCompose(f, (x -> g));
3129	>	assertTrue(g.completeExceptionally(ex));
3130	>	break;
3131	>	case 2:
3132	>	assertTrue(g.completeExceptionally(ex));
3133	>	assertTrue(f.complete(v1));
3134	>	h = m.thenCompose(f, (x -> g));
3135	>	break;
3136	>	case 3:
3137	>	assertTrue(g.completeExceptionally(ex));
3138	>	h = m.thenCompose(f, (x -> g));
3139	>	assertTrue(f.complete(v1));
3140	>	break;
3141	>	case 4:
3142	>	h = m.thenCompose(f, (x -> g));
3143	>	assertTrue(f.complete(v1));
3144	>	assertTrue(g.completeExceptionally(ex));
3145	>	break;
3146	>	case 5:
3147	>	h = m.thenCompose(f, (x -> g));
3148	>	assertTrue(f.complete(v1));
3149	>	assertTrue(g.completeExceptionally(ex));
3150	>	break;
3151	>	default: throw new AssertionError();
3152	>	}
3153
3154	<	// reordered version
3155	<	f = new CompletableFuture<Integer>();
3156	<	f.complete(null);
3157	<	r = new Noop();
1107	<	g = f.thenRunAsync(r);
1108	<	checkCompletedNormally(g, null);
1109	<	}
3154	>	checkCompletedExceptionally(g, ex);
3155	>	checkCompletedWithWrappedException(h, ex);
3156	>	checkCompletedNormally(f, v1);
3157	>	}}
3158
3159		/**
3160	<	* thenRunAsync result completes exceptionally after exceptional
3160	>	* exceptionallyCompose result completes normally after normal
3161		* completion of source
3162		*/
3163	<	public void testThenRunAsync2() {
3164	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3165	<	Noop r = new Noop();
3166	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3167	<	f.completeExceptionally(new CFException());
3168	<	try {
3169	<	g.join();
3170	<	shouldThrow();
3171	<	} catch (Exception ok) {
3172	<	}
3173	<	checkCompletedWithWrappedCFException(g);
3174	<	}
3163	>	public void testExceptionallyCompose_normalCompletion() {
3164	>	for (ExecutionMode m : ExecutionMode.values())
3165	>	for (boolean createIncomplete : new boolean[] { true, false })
3166	>	for (Integer v1 : new Integer[] { 1, null })
3167	>	{
3168	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3169	>	final ExceptionalCompletableFutureFunction r =
3170	>	new ExceptionalCompletableFutureFunction(m);
3171	>	if (!createIncomplete) assertTrue(f.complete(v1));
3172	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3173	>	if (createIncomplete) assertTrue(f.complete(v1));
3174	>
3175	>	checkCompletedNormally(f, v1);
3176	>	checkCompletedNormally(g, v1);
3177	>	r.assertNotInvoked();
3178	>	}}
3179
3180		/**
3181	<	* thenRunAsync result completes exceptionally if action does
3181	>	* exceptionallyCompose result completes normally after exceptional
3182	>	* completion of source
3183		*/
3184	<	public void testThenRunAsync3() {
3185	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3186	<	FailingNoop r = new FailingNoop();
3187	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3188	<	f.complete(null);
3189	<	checkCompletedWithWrappedCFException(g);
3190	<	}
3184	>	public void testExceptionallyCompose_exceptionalCompletion() {
3185	>	for (ExecutionMode m : ExecutionMode.values())
3186	>	for (boolean createIncomplete : new boolean[] { true, false })
3187	>	{
3188	>	final CFException ex = new CFException();
3189	>	final ExceptionalCompletableFutureFunction r =
3190	>	new ExceptionalCompletableFutureFunction(m);
3191	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3192	>	if (!createIncomplete) f.completeExceptionally(ex);
3193	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3194	>	if (createIncomplete) f.completeExceptionally(ex);
3195	>
3196	>	checkCompletedExceptionally(f, ex);
3197	>	checkCompletedNormally(g, r.value);
3198	>	r.assertInvoked();
3199	>	}}
3200	>
3201	>	/**
3202	>	* exceptionallyCompose completes exceptionally on exception if action does
3203	>	*/
3204	>	public void testExceptionallyCompose_actionFailed() {
3205	>	for (ExecutionMode m : ExecutionMode.values())
3206	>	for (boolean createIncomplete : new boolean[] { true, false })
3207	>	for (Integer v1 : new Integer[] { 1, null })
3208	>	{
3209	>	final CFException ex = new CFException();
3210	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3211	>	final FailingExceptionalCompletableFutureFunction r
3212	>	= new FailingExceptionalCompletableFutureFunction(m);
3213	>	if (!createIncomplete) f.completeExceptionally(ex);
3214	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3215	>	if (createIncomplete) f.completeExceptionally(ex);
3216	>
3217	>	checkCompletedExceptionally(f, ex);
3218	>	checkCompletedWithWrappedException(g, r.ex);
3219	>	r.assertInvoked();
3220	>	}}
3221
1139	–	/**
1140	–	* thenRunAsync result completes exceptionally if source cancelled
1141	–	*/
1142	–	public void testThenRunAsync4() {
1143	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1144	–	Noop r = new Noop();
1145	–	CompletableFuture<Void> g = f.thenRunAsync(r);
1146	–	assertTrue(f.cancel(true));
1147	–	checkCompletedWithWrappedCancellationException(g);
1148	–	}
3222
3223	<	/**
1151	<	* thenApplyAsync result completes normally after normal completion of source
1152	<	*/
1153	<	public void testThenApplyAsync() {
1154	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1155	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1156	<	f.complete(one);
1157	<	checkCompletedNormally(g, two);
1158	<	}
3223	>	// other static methods
3224
3225		/**
3226	<	* thenApplyAsync result completes exceptionally after exceptional
3227	<	* completion of source
3226	>	* allOf(no component futures) returns a future completed normally
3227	>	* with the value null
3228		*/
3229	<	public void testThenApplyAsync2() {
3230	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3231	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1167	<	f.completeExceptionally(new CFException());
1168	<	checkCompletedWithWrappedCFException(g);
3229	>	public void testAllOf_empty() throws Exception {
3230	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3231	>	checkCompletedNormally(f, null);
3232		}
3233
3234		/**
3235	<	* thenApplyAsync result completes exceptionally if action does
3235	>	* allOf returns a future completed normally with the value null
3236	>	* when all components complete normally
3237		*/
3238	<	public void testThenApplyAsync3() {
3239	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3240	<	FailingFunction r = new FailingFunction();
3241	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
3242	<	f.complete(null);
3243	<	checkCompletedWithWrappedCFException(g);
3238	>	public void testAllOf_normal() throws Exception {
3239	>	for (int k = 1; k < 10; k++) {
3240	>	CompletableFuture<Integer>[] fs
3241	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3242	>	for (int i = 0; i < k; i++)
3243	>	fs[i] = new CompletableFuture<>();
3244	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3245	>	for (int i = 0; i < k; i++) {
3246	>	checkIncomplete(f);
3247	>	checkIncomplete(CompletableFuture.allOf(fs));
3248	>	fs[i].complete(one);
3249	>	}
3250	>	checkCompletedNormally(f, null);
3251	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3252	>	}
3253		}
3254
3255	<	/**
3256	<	* thenApplyAsync result completes exceptionally if source cancelled
3257	<	*/
3258	<	public void testThenApplyAsync4() {
3259	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3260	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3261	<	assertTrue(f.cancel(true));
3262	<	checkCompletedWithWrappedCancellationException(g);
3255	>	public void testAllOf_normal_backwards() throws Exception {
3256	>	for (int k = 1; k < 10; k++) {
3257	>	CompletableFuture<Integer>[] fs
3258	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3259	>	for (int i = 0; i < k; i++)
3260	>	fs[i] = new CompletableFuture<>();
3261	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3262	>	for (int i = k - 1; i >= 0; i--) {
3263	>	checkIncomplete(f);
3264	>	checkIncomplete(CompletableFuture.allOf(fs));
3265	>	fs[i].complete(one);
3266	>	}
3267	>	checkCompletedNormally(f, null);
3268	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3269	>	}
3270		}
3271
3272	<	/**
3273	<	* thenAcceptAsync result completes normally after normal
3274	<	* completion of source
3275	<	*/
3276	<	public void testThenAcceptAsync() {
3277	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3278	<	IncAction r = new IncAction();
3279	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3280	<	f.complete(one);
3281	<	checkCompletedNormally(g, null);
3282	<	assertEquals(r.value, 2);
3272	>	public void testAllOf_exceptional() throws Exception {
3273	>	for (int k = 1; k < 10; k++) {
3274	>	CompletableFuture<Integer>[] fs
3275	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3276	>	CFException ex = new CFException();
3277	>	for (int i = 0; i < k; i++)
3278	>	fs[i] = new CompletableFuture<>();
3279	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3280	>	for (int i = 0; i < k; i++) {
3281	>	checkIncomplete(f);
3282	>	checkIncomplete(CompletableFuture.allOf(fs));
3283	>	if (i != k / 2) {
3284	>	fs[i].complete(i);
3285	>	checkCompletedNormally(fs[i], i);
3286	>	} else {
3287	>	fs[i].completeExceptionally(ex);
3288	>	checkCompletedExceptionally(fs[i], ex);
3289	>	}
3290	>	}
3291	>	checkCompletedWithWrappedException(f, ex);
3292	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3293	>	}
3294		}
3295
3296		/**
3297	<	* thenAcceptAsync result completes exceptionally after exceptional
1207	<	* completion of source
3297	>	* anyOf(no component futures) returns an incomplete future
3298		*/
3299	<	public void testThenAcceptAsync2() {
3300	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3301	<	IncAction r = new IncAction();
3302	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3303	<	f.completeExceptionally(new CFException());
1214	<	checkCompletedWithWrappedCFException(g);
1215	<	}
3299	>	public void testAnyOf_empty() throws Exception {
3300	>	for (Integer v1 : new Integer[] { 1, null })
3301	>	{
3302	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3303	>	checkIncomplete(f);
3304
3305	<	/**
3306	<	* thenAcceptAsync result completes exceptionally if action does
3307	<	*/
1220	<	public void testThenAcceptAsync3() {
1221	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1222	<	FailingConsumer r = new FailingConsumer();
1223	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1224	<	f.complete(null);
1225	<	checkCompletedWithWrappedCFException(g);
1226	<	}
3305	>	f.complete(v1);
3306	>	checkCompletedNormally(f, v1);
3307	>	}}
3308
3309		/**
3310	<	* thenAcceptAsync result completes exceptionally if source cancelled
3310	>	* anyOf returns a future completed normally with a value when
3311	>	* a component future does
3312		*/
3313	<	public void testThenAcceptAsync4() {
3314	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3315	<	IncAction r = new IncAction();
3316	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3317	<	assertTrue(f.cancel(true));
3318	<	checkCompletedWithWrappedCancellationException(g);
3313	>	public void testAnyOf_normal() throws Exception {
3314	>	for (int k = 0; k < 10; k++) {
3315	>	CompletableFuture[] fs = new CompletableFuture[k];
3316	>	for (int i = 0; i < k; i++)
3317	>	fs[i] = new CompletableFuture<>();
3318	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3319	>	checkIncomplete(f);
3320	>	for (int i = 0; i < k; i++) {
3321	>	fs[i].complete(i);
3322	>	checkCompletedNormally(f, 0);
3323	>	int x = (int) CompletableFuture.anyOf(fs).join();
3324	>	assertTrue(0 <= x && x <= i);
3325	>	}
3326	>	}
3327		}
3328	<	/**
3329	<	* thenCombineAsync result completes normally after normal
3330	<	* completion of sources
3331	<	*/
3332	<	public void testThenCombineAsync() {
3333	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3334	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3335	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
3336	<	f.complete(one);
3337	<	checkIncomplete(g);
3338	<	f2.complete(two);
3339	<	checkCompletedNormally(g, three);
3328	>	public void testAnyOf_normal_backwards() throws Exception {
3329	>	for (int k = 0; k < 10; k++) {
3330	>	CompletableFuture[] fs = new CompletableFuture[k];
3331	>	for (int i = 0; i < k; i++)
3332	>	fs[i] = new CompletableFuture<>();
3333	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3334	>	checkIncomplete(f);
3335	>	for (int i = k - 1; i >= 0; i--) {
3336	>	fs[i].complete(i);
3337	>	checkCompletedNormally(f, k - 1);
3338	>	int x = (int) CompletableFuture.anyOf(fs).join();
3339	>	assertTrue(i <= x && x <= k - 1);
3340	>	}
3341	>	}
3342		}
3343
3344		/**
3345	<	* thenCombineAsync result completes exceptionally after exceptional
1254	<	* completion of source
3345	>	* anyOf result completes exceptionally when any component does.
3346		*/
3347	<	public void testThenCombineAsync2() {
3348	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3349	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3350	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
3351	<	f.completeExceptionally(new CFException());
3352	<	f2.complete(two);
3353	<	checkCompletedWithWrappedCFException(g);
3354	<
3355	<	f = new CompletableFuture<Integer>();
3356	<	f2 = new CompletableFuture<Integer>();
3357	<	g = f.thenCombineAsync(f2, add);
3358	<	f.complete(one);
3359	<	f2.completeExceptionally(new CFException());
3360	<	checkCompletedWithWrappedCFException(g);
3347	>	public void testAnyOf_exceptional() throws Exception {
3348	>	for (int k = 0; k < 10; k++) {
3349	>	CompletableFuture[] fs = new CompletableFuture[k];
3350	>	CFException[] exs = new CFException[k];
3351	>	for (int i = 0; i < k; i++) {
3352	>	fs[i] = new CompletableFuture<>();
3353	>	exs[i] = new CFException();
3354	>	}
3355	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3356	>	checkIncomplete(f);
3357	>	for (int i = 0; i < k; i++) {
3358	>	fs[i].completeExceptionally(exs[i]);
3359	>	checkCompletedWithWrappedException(f, exs[0]);
3360	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3361	>	}
3362	>	}
3363		}
3364
3365	<	/**
3366	<	* thenCombineAsync result completes exceptionally if action does
3367	<	*/
3368	<	public void testThenCombineAsync3() {
3369	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3370	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3371	<	FailingBiFunction r = new FailingBiFunction();
3372	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
3373	<	f.complete(one);
3374	<	checkIncomplete(g);
3375	<	f2.complete(two);
3376	<	checkCompletedWithWrappedCFException(g);
3365	>	public void testAnyOf_exceptional_backwards() throws Exception {
3366	>	for (int k = 0; k < 10; k++) {
3367	>	CompletableFuture[] fs = new CompletableFuture[k];
3368	>	CFException[] exs = new CFException[k];
3369	>	for (int i = 0; i < k; i++) {
3370	>	fs[i] = new CompletableFuture<>();
3371	>	exs[i] = new CFException();
3372	>	}
3373	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3374	>	checkIncomplete(f);
3375	>	for (int i = k - 1; i >= 0; i--) {
3376	>	fs[i].completeExceptionally(exs[i]);
3377	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3378	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3379	>	}
3380	>	}
3381		}
3382
3383		/**
3384	<	* thenCombineAsync result completes exceptionally if either source cancelled
3384	>	* Completion methods throw NullPointerException with null arguments
3385		*/
3386	<	public void testThenCombineAsync4() {
3387	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3388	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3389	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
3390	<	assertTrue(f.cancel(true));
3391	<	f2.complete(two);
3392	<	checkCompletedWithWrappedCancellationException(g);
3386	>	@SuppressWarnings("FutureReturnValueIgnored")
3387	>	public void testNPE() {
3388	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3389	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3390	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3391	>	ThreadExecutor exec = new ThreadExecutor();
3392	>
3393	>	Runnable[] throwingActions = {
3394	>	() -> CompletableFuture.supplyAsync(null),
3395	>	() -> CompletableFuture.supplyAsync(null, exec),
3396	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3397	>
3398	>	() -> CompletableFuture.runAsync(null),
3399	>	() -> CompletableFuture.runAsync(null, exec),
3400	>	() -> CompletableFuture.runAsync(() -> {}, null),
3401	>
3402	>	() -> f.completeExceptionally(null),
3403	>
3404	>	() -> f.thenApply(null),
3405	>	() -> f.thenApplyAsync(null),
3406	>	() -> f.thenApplyAsync(x -> x, null),
3407	>	() -> f.thenApplyAsync(null, exec),
3408	>
3409	>	() -> f.thenAccept(null),
3410	>	() -> f.thenAcceptAsync(null),
3411	>	() -> f.thenAcceptAsync(x -> {} , null),
3412	>	() -> f.thenAcceptAsync(null, exec),
3413	>
3414	>	() -> f.thenRun(null),
3415	>	() -> f.thenRunAsync(null),
3416	>	() -> f.thenRunAsync(() -> {} , null),
3417	>	() -> f.thenRunAsync(null, exec),
3418	>
3419	>	() -> f.thenCombine(g, null),
3420	>	() -> f.thenCombineAsync(g, null),
3421	>	() -> f.thenCombineAsync(g, null, exec),
3422	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3423	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3424	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3425	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3426	>
3427	>	() -> f.thenAcceptBoth(g, null),
3428	>	() -> f.thenAcceptBothAsync(g, null),
3429	>	() -> f.thenAcceptBothAsync(g, null, exec),
3430	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3431	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3432	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3433	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3434	>
3435	>	() -> f.runAfterBoth(g, null),
3436	>	() -> f.runAfterBothAsync(g, null),
3437	>	() -> f.runAfterBothAsync(g, null, exec),
3438	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3439	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3440	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3441	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3442	>
3443	>	() -> f.applyToEither(g, null),
3444	>	() -> f.applyToEitherAsync(g, null),
3445	>	() -> f.applyToEitherAsync(g, null, exec),
3446	>	() -> f.applyToEither(nullFuture, x -> x),
3447	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3448	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3449	>	() -> f.applyToEitherAsync(g, x -> x, null),
3450	>
3451	>	() -> f.acceptEither(g, null),
3452	>	() -> f.acceptEitherAsync(g, null),
3453	>	() -> f.acceptEitherAsync(g, null, exec),
3454	>	() -> f.acceptEither(nullFuture, x -> {}),
3455	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3456	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3457	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3458	>
3459	>	() -> f.runAfterEither(g, null),
3460	>	() -> f.runAfterEitherAsync(g, null),
3461	>	() -> f.runAfterEitherAsync(g, null, exec),
3462	>	() -> f.runAfterEither(nullFuture, () -> {}),
3463	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3464	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3465	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3466	>
3467	>	() -> f.thenCompose(null),
3468	>	() -> f.thenComposeAsync(null),
3469	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3470	>	() -> f.thenComposeAsync(null, exec),
3471	>
3472	>	() -> f.exceptionally(null),
3473	>
3474	>	() -> f.handle(null),
3475	>
3476	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3477	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3478	>	() -> CompletableFuture.allOf(f, null),
3479	>	() -> CompletableFuture.allOf(null, f),
3480	>
3481	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3482	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3483	>	() -> CompletableFuture.anyOf(f, null),
3484	>	() -> CompletableFuture.anyOf(null, f),
3485	>
3486	>	() -> f.obtrudeException(null),
3487	>
3488	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3489	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3490	>	() -> CompletableFuture.delayedExecutor(1L, null),
3491	>
3492	>	() -> f.orTimeout(1L, null),
3493	>	() -> f.completeOnTimeout(42, 1L, null),
3494	>
3495	>	() -> CompletableFuture.failedFuture(null),
3496	>	() -> CompletableFuture.failedStage(null),
3497	>	};
3498	>
3499	>	assertThrows(NullPointerException.class, throwingActions);
3500	>	assertEquals(0, exec.count.get());
3501	>	}
3502	>
3503	>	/**
3504	>	* Test submissions to an executor that rejects all tasks.
3505	>	*/
3506	>	public void testRejectingExecutor() {
3507	>	for (Integer v : new Integer[] { 1, null })
3508	>	{
3509	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3510	>
3511	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3512	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3513	>
3514	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3515	>
3516	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3517	>	srcs.add(complete);
3518	>	srcs.add(incomplete);
3519	>
3520	>	for (CompletableFuture<Integer> src : srcs) {
3521	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3522	>	fs.add(src.thenRunAsync(() -> {}, e));
3523	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3524	>	fs.add(src.thenApplyAsync(z -> z, e));
3525	>
3526	>	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3527	>	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3528	>	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3529	>
3530	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3531	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3532	>	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3533	>
3534	>	fs.add(src.thenComposeAsync(z -> null, e));
3535	>	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3536	>	fs.add(src.handleAsync((z, t) -> null, e));
3537	>
3538	>	for (CompletableFuture<?> future : fs) {
3539	>	if (src.isDone())
3540	>	checkCompletedWithWrappedException(future, e.ex);
3541	>	else
3542	>	checkIncomplete(future);
3543	>	}
3544	>	futures.addAll(fs);
3545	>	}
3546
3547	<	f = new CompletableFuture<Integer>();
3548	<	f2 = new CompletableFuture<Integer>();
1299	<	g = f.thenCombineAsync(f2, add);
1300	<	f.complete(one);
1301	<	assertTrue(f2.cancel(true));
1302	<	checkCompletedWithWrappedCancellationException(g);
1303	<	}
3547	>	{
3548	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3549
3550	<	/**
3551	<	* thenAcceptBothAsync result completes normally after normal
1307	<	* completion of sources
1308	<	*/
1309	<	public void testThenAcceptBothAsync() {
1310	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1311	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1312	<	AddAction r = new AddAction();
1313	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1314	<	f.complete(one);
1315	<	checkIncomplete(g);
1316	<	f2.complete(two);
1317	<	checkCompletedNormally(g, null);
1318	<	assertEquals(r.value, 3);
1319	<	}
3550	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3551	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3552
3553	<	/**
3554	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1323	<	* completion of source
1324	<	*/
1325	<	public void testThenAcceptBothAsync2() {
1326	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1327	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1328	<	AddAction r = new AddAction();
1329	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1330	<	f.completeExceptionally(new CFException());
1331	<	f2.complete(two);
1332	<	checkCompletedWithWrappedCFException(g);
3553	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3554	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3555
3556	<	r = new AddAction();
3557	<	f = new CompletableFuture<Integer>();
1336	<	f2 = new CompletableFuture<Integer>();
1337	<	g = f.thenAcceptBothAsync(f2, r);
1338	<	f.complete(one);
1339	<	f2.completeExceptionally(new CFException());
1340	<	checkCompletedWithWrappedCFException(g);
1341	<	}
3556	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3557	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3558
3559	<	/**
3560	<	* thenAcceptBothAsync result completes exceptionally if action does
3561	<	*/
3562	<	public void testThenAcceptBothAsync3() {
1347	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1348	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1349	<	FailingBiConsumer r = new FailingBiConsumer();
1350	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1351	<	f.complete(one);
1352	<	checkIncomplete(g);
1353	<	f2.complete(two);
1354	<	checkCompletedWithWrappedCFException(g);
1355	<	}
3559	>	for (CompletableFuture<?> future : fs)
3560	>	checkIncomplete(future);
3561	>	futures.addAll(fs);
3562	>	}
3563
3564	<	/**
3565	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1359	<	*/
1360	<	public void testThenAcceptBothAsync4() {
1361	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1362	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1363	<	AddAction r = new AddAction();
1364	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1365	<	assertTrue(f.cancel(true));
1366	<	f2.complete(two);
1367	<	checkCompletedWithWrappedCancellationException(g);
3564	>	{
3565	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3566
3567	<	r = new AddAction();
3568	<	f = new CompletableFuture<Integer>();
1371	<	f2 = new CompletableFuture<Integer>();
1372	<	g = f.thenAcceptBothAsync(f2, r);
1373	<	f.complete(one);
1374	<	assertTrue(f2.cancel(true));
1375	<	checkCompletedWithWrappedCancellationException(g);
1376	<	}
3567	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3568	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3569
3570	<	/**
3571	<	* runAfterBothAsync result completes normally after normal
1380	<	* completion of sources
1381	<	*/
1382	<	public void testRunAfterBothAsync() {
1383	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1384	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1385	<	Noop r = new Noop();
1386	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1387	<	f.complete(one);
1388	<	checkIncomplete(g);
1389	<	f2.complete(two);
1390	<	checkCompletedNormally(g, null);
1391	<	assertTrue(r.ran);
1392	<	}
3570	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3571	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3572
3573	<	/**
3574	<	* runAfterBothAsync result completes exceptionally after exceptional
1396	<	* completion of source
1397	<	*/
1398	<	public void testRunAfterBothAsync2() {
1399	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1400	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1401	<	Noop r = new Noop();
1402	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1403	<	f.completeExceptionally(new CFException());
1404	<	f2.complete(two);
1405	<	checkCompletedWithWrappedCFException(g);
3573	>	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3574	>	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3575
3576	<	r = new Noop();
3577	<	f = new CompletableFuture<Integer>();
3578	<	f2 = new CompletableFuture<Integer>();
3579	<	g = f.runAfterBothAsync(f2, r);
1411	<	f.complete(one);
1412	<	f2.completeExceptionally(new CFException());
1413	<	checkCompletedWithWrappedCFException(g);
1414	<	}
3576	>	for (CompletableFuture<?> future : fs)
3577	>	checkCompletedWithWrappedException(future, e.ex);
3578	>	futures.addAll(fs);
3579	>	}
3580
3581	<	/**
1417	<	* runAfterBothAsync result completes exceptionally if action does
1418	<	*/
1419	<	public void testRunAfterBothAsync3() {
1420	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1421	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1422	<	FailingNoop r = new FailingNoop();
1423	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1424	<	f.complete(one);
1425	<	checkIncomplete(g);
1426	<	f2.complete(two);
1427	<	checkCompletedWithWrappedCFException(g);
1428	<	}
3581	>	incomplete.complete(v);
3582
3583	<	/**
3584	<	* runAfterBothAsync result completes exceptionally if either source cancelled
1432	<	*/
1433	<	public void testRunAfterBothAsync4() {
1434	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1435	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1436	<	Noop r = new Noop();
1437	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1438	<	assertTrue(f.cancel(true));
1439	<	f2.complete(two);
1440	<	checkCompletedWithWrappedCancellationException(g);
3583	>	for (CompletableFuture<?> future : futures)
3584	>	checkCompletedWithWrappedException(future, e.ex);
3585
3586	<	r = new Noop();
3587	<	f = new CompletableFuture<Integer>();
1444	<	f2 = new CompletableFuture<Integer>();
1445	<	g = f.runAfterBothAsync(f2, r);
1446	<	f.complete(one);
1447	<	assertTrue(f2.cancel(true));
1448	<	checkCompletedWithWrappedCancellationException(g);
1449	<	}
3586	>	assertEquals(futures.size(), e.count.get());
3587	>	}}
3588
3589		/**
3590	<	* applyToEitherAsync result completes normally after normal
3591	<	* completion of sources
3590	>	* Test submissions to an executor that rejects all tasks, but
3591	>	* should never be invoked because the dependent future is
3592	>	* explicitly completed.
3593		*/
3594	<	public void testApplyToEitherAsync() {
3595	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3596	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3597	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1459	<	f.complete(one);
1460	<	checkCompletedNormally(g, two);
1461	<
1462	<	f = new CompletableFuture<Integer>();
1463	<	f.complete(one);
1464	<	f2 = new CompletableFuture<Integer>();
1465	<	g = f.applyToEitherAsync(f2, inc);
1466	<	checkCompletedNormally(g, two);
1467	<	}
3594	>	public void testRejectingExecutorNeverInvoked() {
3595	>	for (Integer v : new Integer[] { 1, null })
3596	>	{
3597	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3598
3599	<	/**
3600	<	* applyToEitherAsync result completes exceptionally after exceptional
1471	<	* completion of source
1472	<	*/
1473	<	public void testApplyToEitherAsync2() {
1474	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1475	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1476	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1477	<	f.completeExceptionally(new CFException());
1478	<	checkCompletedWithWrappedCFException(g);
3599	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3600	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3601
3602	<	f = new CompletableFuture<Integer>();
1481	<	f2 = new CompletableFuture<Integer>();
1482	<	f2.completeExceptionally(new CFException());
1483	<	g = f.applyToEitherAsync(f2, inc);
1484	<	f.complete(one);
1485	<	checkCompletedWithWrappedCFException(g);
1486	<	}
3602	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3603
3604	<	/**
3605	<	* applyToEitherAsync result completes exceptionally if action does
3606	<	*/
1491	<	public void testApplyToEitherAsync3() {
1492	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1493	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1494	<	FailingFunction r = new FailingFunction();
1495	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1496	<	f.complete(one);
1497	<	checkCompletedWithWrappedCFException(g);
1498	<	}
3604	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3605	>	srcs.add(complete);
3606	>	srcs.add(incomplete);
3607
3608	<	/**
3609	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3610	<	*/
3611	<	public void testApplyToEitherAsync4() {
1504	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1505	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1506	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1507	<	assertTrue(f.cancel(true));
1508	<	checkCompletedWithWrappedCancellationException(g);
1509	<
1510	<	f = new CompletableFuture<Integer>();
1511	<	f2 = new CompletableFuture<Integer>();
1512	<	assertTrue(f2.cancel(true));
1513	<	g = f.applyToEitherAsync(f2, inc);
1514	<	checkCompletedWithWrappedCancellationException(g);
1515	<	}
1516	<
1517	<	/**
1518	<	* acceptEitherAsync result completes normally after normal
1519	<	* completion of sources
1520	<	*/
1521	<	public void testAcceptEitherAsync() {
1522	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1523	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1524	<	IncAction r = new IncAction();
1525	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1526	<	f.complete(one);
1527	<	checkCompletedNormally(g, null);
1528	<	assertEquals(r.value, 2);
3608	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3609	>	fs.add(incomplete.thenRunAsync(() -> {}, e));
3610	>	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3611	>	fs.add(incomplete.thenApplyAsync(z -> z, e));
3612
3613	<	r = new IncAction();
3614	<	f = new CompletableFuture<Integer>();
3615	<	f.complete(one);
1533	<	f2 = new CompletableFuture<Integer>();
1534	<	g = f.acceptEitherAsync(f2, r);
1535	<	checkCompletedNormally(g, null);
1536	<	assertEquals(r.value, 2);
1537	<	}
3613	>	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3614	>	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3615	>	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3616
3617	<	/**
3618	<	* acceptEitherAsync result completes exceptionally after exceptional
3619	<	* completion of source
1542	<	*/
1543	<	public void testAcceptEitherAsync2() {
1544	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1545	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1546	<	IncAction r = new IncAction();
1547	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1548	<	f.completeExceptionally(new CFException());
1549	<	checkCompletedWithWrappedCFException(g);
3617	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3618	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3619	>	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3620
3621	<	r = new IncAction();
3622	<	f = new CompletableFuture<Integer>();
3623	<	f2 = new CompletableFuture<Integer>();
1554	<	f2.completeExceptionally(new CFException());
1555	<	g = f.acceptEitherAsync(f2, r);
1556	<	f.complete(one);
1557	<	checkCompletedWithWrappedCFException(g);
1558	<	}
3621	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3622	>	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3623	>	fs.add(incomplete.handleAsync((z, t) -> null, e));
3624
3625	<	/**
3626	<	* acceptEitherAsync result completes exceptionally if action does
1562	<	*/
1563	<	public void testAcceptEitherAsync3() {
1564	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1565	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1566	<	FailingConsumer r = new FailingConsumer();
1567	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1568	<	f.complete(one);
1569	<	checkCompletedWithWrappedCFException(g);
1570	<	}
3625	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3626	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3627
3628	<	/**
3629	<	* acceptEitherAsync result completes exceptionally if either
1574	<	* source cancelled
1575	<	*/
1576	<	public void testAcceptEitherAsync4() {
1577	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1578	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1579	<	IncAction r = new IncAction();
1580	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1581	<	assertTrue(f.cancel(true));
1582	<	checkCompletedWithWrappedCancellationException(g);
3628	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3629	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3630
3631	<	r = new IncAction();
3632	<	f = new CompletableFuture<Integer>();
1586	<	f2 = new CompletableFuture<Integer>();
1587	<	assertTrue(f2.cancel(true));
1588	<	g = f.acceptEitherAsync(f2, r);
1589	<	checkCompletedWithWrappedCancellationException(g);
1590	<	}
3631	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3632	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3633
3634	<	/**
3635	<	* runAfterEitherAsync result completes normally after normal
1594	<	* completion of sources
1595	<	*/
1596	<	public void testRunAfterEitherAsync() {
1597	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1598	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1599	<	Noop r = new Noop();
1600	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1601	<	f.complete(one);
1602	<	checkCompletedNormally(g, null);
1603	<	assertTrue(r.ran);
3634	>	for (CompletableFuture<?> future : fs)
3635	>	checkIncomplete(future);
3636
3637	<	r = new Noop();
3638	<	f = new CompletableFuture<Integer>();
1607	<	f.complete(one);
1608	<	f2 = new CompletableFuture<Integer>();
1609	<	g = f.runAfterEitherAsync(f2, r);
1610	<	checkCompletedNormally(g, null);
1611	<	assertTrue(r.ran);
1612	<	}
3637	>	for (CompletableFuture<?> future : fs)
3638	>	future.complete(null);
3639
3640	<	/**
1615	<	* runAfterEitherAsync result completes exceptionally after exceptional
1616	<	* completion of source
1617	<	*/
1618	<	public void testRunAfterEitherAsync2() {
1619	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1620	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1621	<	Noop r = new Noop();
1622	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1623	<	f.completeExceptionally(new CFException());
1624	<	checkCompletedWithWrappedCFException(g);
3640	>	incomplete.complete(v);
3641
3642	<	r = new Noop();
3643	<	f = new CompletableFuture<Integer>();
1628	<	f2 = new CompletableFuture<Integer>();
1629	<	f2.completeExceptionally(new CFException());
1630	<	g = f.runAfterEitherAsync(f2, r);
1631	<	f.complete(one);
1632	<	checkCompletedWithWrappedCFException(g);
1633	<	}
3642	>	for (CompletableFuture<?> future : fs)
3643	>	checkCompletedNormally(future, null);
3644
3645	<	/**
3646	<	* runAfterEitherAsync result completes exceptionally if action does
1637	<	*/
1638	<	public void testRunAfterEitherAsync3() {
1639	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1640	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1641	<	FailingNoop r = new FailingNoop();
1642	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1643	<	f.complete(one);
1644	<	checkCompletedWithWrappedCFException(g);
1645	<	}
3645	>	assertEquals(0, e.count.get());
3646	>	}}
3647
3648		/**
3649	<	* runAfterEitherAsync result completes exceptionally if either
1649	<	* source cancelled
3649	>	* toCompletableFuture returns this CompletableFuture.
3650		*/
3651	<	public void testRunAfterEitherAsync4() {
3652	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3653	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1654	<	Noop r = new Noop();
1655	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1656	<	assertTrue(f.cancel(true));
1657	<	checkCompletedWithWrappedCancellationException(g);
1658	<
1659	<	r = new Noop();
1660	<	f = new CompletableFuture<Integer>();
1661	<	f2 = new CompletableFuture<Integer>();
1662	<	assertTrue(f2.cancel(true));
1663	<	g = f.runAfterEitherAsync(f2, r);
1664	<	checkCompletedWithWrappedCancellationException(g);
3651	>	public void testToCompletableFuture() {
3652	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3653	>	assertSame(f, f.toCompletableFuture());
3654		}
3655
3656	<	/**
1668	<	* thenComposeAsync result completes normally after normal
1669	<	* completion of source
1670	<	*/
1671	<	public void testThenComposeAsync() {
1672	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1673	<	CompletableFutureInc r = new CompletableFutureInc();
1674	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1675	<	f.complete(one);
1676	<	checkCompletedNormally(g, two);
1677	<	}
3656	>	// jdk9
3657
3658		/**
3659	<	* thenComposeAsync result completes exceptionally after
1681	<	* exceptional completion of source
3659	>	* newIncompleteFuture returns an incomplete CompletableFuture
3660		*/
3661	<	public void testThenComposeAsync2() {
3662	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3663	<	CompletableFutureInc r = new CompletableFutureInc();
3664	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
3665	<	f.completeExceptionally(new CFException());
3666	<	checkCompletedWithWrappedCFException(g);
3667	<	}
3661	>	public void testNewIncompleteFuture() {
3662	>	for (Integer v1 : new Integer[] { 1, null })
3663	>	{
3664	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3665	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3666	>	checkIncomplete(f);
3667	>	checkIncomplete(g);
3668	>	f.complete(v1);
3669	>	checkCompletedNormally(f, v1);
3670	>	checkIncomplete(g);
3671	>	g.complete(v1);
3672	>	checkCompletedNormally(g, v1);
3673	>	assertSame(g.getClass(), CompletableFuture.class);
3674	>	}}
3675
3676		/**
3677	<	* thenComposeAsync result completes exceptionally if action does
3677	>	* completedStage returns a completed CompletionStage
3678		*/
3679	<	public void testThenComposeAsync3() {
3680	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3681	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3682	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
3683	<	f.complete(one);
3684	<	checkCompletedWithWrappedCFException(g);
3679	>	public void testCompletedStage() {
3680	>	AtomicInteger x = new AtomicInteger(0);
3681	>	AtomicReference<Throwable> r = new AtomicReference<>();
3682	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3683	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3684	>	assertEquals(x.get(), 1);
3685	>	assertNull(r.get());
3686		}
3687
3688		/**
3689	<	* thenComposeAsync result completes exceptionally if source cancelled
3689	>	* defaultExecutor by default returns the commonPool if
3690	>	* it supports more than one thread.
3691		*/
3692	<	public void testThenComposeAsync4() {
3693	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3694	<	CompletableFutureInc r = new CompletableFutureInc();
3695	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
3696	<	assertTrue(f.cancel(true));
3697	<	checkCompletedWithWrappedCancellationException(g);
3692	>	public void testDefaultExecutor() {
3693	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3694	>	Executor e = f.defaultExecutor();
3695	>	Executor c = ForkJoinPool.commonPool();
3696	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3697	>	assertSame(e, c);
3698	>	else
3699	>	assertNotSame(e, c);
3700		}
3701
1713	–
1714	–	// async with explicit executors
1715	–
3702		/**
3703	<	* thenRunAsync result completes normally after normal completion of source
3703	>	* failedFuture returns a CompletableFuture completed
3704	>	* exceptionally with the given Exception
3705		*/
3706	<	public void testThenRunAsyncE() {
3707	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3708	<	Noop r = new Noop();
3709	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1723	<	f.complete(null);
1724	<	checkCompletedNormally(g, null);
1725	<
1726	<	// reordered version
1727	<	f = new CompletableFuture<Integer>();
1728	<	f.complete(null);
1729	<	r = new Noop();
1730	<	g = f.thenRunAsync(r, new ThreadExecutor());
1731	<	checkCompletedNormally(g, null);
3706	>	public void testFailedFuture() {
3707	>	CFException ex = new CFException();
3708	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3709	>	checkCompletedExceptionally(f, ex);
3710		}
3711
3712		/**
3713	<	* thenRunAsync result completes exceptionally after exceptional
1736	<	* completion of source
3713	>	* failedFuture(null) throws NPE
3714		*/
3715	<	public void testThenRunAsync2E() {
1739	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1740	<	Noop r = new Noop();
1741	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1742	<	f.completeExceptionally(new CFException());
3715	>	public void testFailedFuture_null() {
3716		try {
3717	<	g.join();
3717	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3718		shouldThrow();
3719	<	} catch (Exception ok) {
1747	<	}
1748	<	checkCompletedWithWrappedCFException(g);
1749	<	}
1750	<
1751	<	/**
1752	<	* thenRunAsync result completes exceptionally if action does
1753	<	*/
1754	<	public void testThenRunAsync3E() {
1755	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1756	<	FailingNoop r = new FailingNoop();
1757	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1758	<	f.complete(null);
1759	<	checkCompletedWithWrappedCFException(g);
3719	>	} catch (NullPointerException success) {}
3720		}
3721
3722		/**
3723	<	* thenRunAsync result completes exceptionally if source cancelled
3723	>	* copy returns a CompletableFuture that is completed normally,
3724	>	* with the same value, when source is.
3725		*/
3726	<	public void testThenRunAsync4E() {
3727	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3728	<	Noop r = new Noop();
3729	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3730	<	assertTrue(f.cancel(true));
3731	<	checkCompletedWithWrappedCancellationException(g);
3732	<	}
3726	>	public void testCopy_normalCompletion() {
3727	>	for (boolean createIncomplete : new boolean[] { true, false })
3728	>	for (Integer v1 : new Integer[] { 1, null })
3729	>	{
3730	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3731	>	if (!createIncomplete) assertTrue(f.complete(v1));
3732	>	CompletableFuture<Integer> g = f.copy();
3733	>	if (createIncomplete) {
3734	>	checkIncomplete(f);
3735	>	checkIncomplete(g);
3736	>	assertTrue(f.complete(v1));
3737	>	}
3738	>	checkCompletedNormally(f, v1);
3739	>	checkCompletedNormally(g, v1);
3740	>	}}
3741	>
3742	>	/**
3743	>	* copy returns a CompletableFuture that is completed exceptionally
3744	>	* when source is.
3745	>	*/
3746	>	public void testCopy_exceptionalCompletion() {
3747	>	for (boolean createIncomplete : new boolean[] { true, false })
3748	>	{
3749	>	CFException ex = new CFException();
3750	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3751	>	if (!createIncomplete) f.completeExceptionally(ex);
3752	>	CompletableFuture<Integer> g = f.copy();
3753	>	if (createIncomplete) {
3754	>	checkIncomplete(f);
3755	>	checkIncomplete(g);
3756	>	f.completeExceptionally(ex);
3757	>	}
3758	>	checkCompletedExceptionally(f, ex);
3759	>	checkCompletedWithWrappedException(g, ex);
3760	>	}}
3761
3762		/**
3763	<	* thenApplyAsync result completes normally after normal completion of source
3764	<	*/
3765	<	public void testThenApplyAsyncE() {
3766	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3767	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3768	<	f.complete(one);
3769	<	checkCompletedNormally(g, two);
3763	>	* Completion of a copy does not complete its source.
3764	>	*/
3765	>	public void testCopy_oneWayPropagation() {
3766	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3767	>	assertTrue(f.copy().complete(1));
3768	>	assertTrue(f.copy().complete(null));
3769	>	assertTrue(f.copy().cancel(true));
3770	>	assertTrue(f.copy().cancel(false));
3771	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3772	>	checkIncomplete(f);
3773		}
3774
3775		/**
3776	<	* thenApplyAsync result completes exceptionally after exceptional
3777	<	* completion of source
3776	>	* minimalCompletionStage returns a CompletableFuture that is
3777	>	* completed normally, with the same value, when source is.
3778		*/
3779	<	public void testThenApplyAsync2E() {
3780	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3781	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3782	<	f.completeExceptionally(new CFException());
3783	<	checkCompletedWithWrappedCFException(g);
3779	>	public void testMinimalCompletionStage() {
3780	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3781	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3782	>	AtomicInteger x = new AtomicInteger(0);
3783	>	AtomicReference<Throwable> r = new AtomicReference<>();
3784	>	checkIncomplete(f);
3785	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3786	>	f.complete(1);
3787	>	checkCompletedNormally(f, 1);
3788	>	assertEquals(x.get(), 1);
3789	>	assertNull(r.get());
3790		}
3791
3792		/**
3793	<	* thenApplyAsync result completes exceptionally if action does
3793	>	* minimalCompletionStage returns a CompletableFuture that is
3794	>	* completed exceptionally when source is.
3795		*/
3796	<	public void testThenApplyAsync3E() {
3797	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3798	<	FailingFunction r = new FailingFunction();
3799	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3800	<	f.complete(null);
3801	<	checkCompletedWithWrappedCFException(g);
3796	>	public void testMinimalCompletionStage2() {
3797	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3798	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3799	>	AtomicInteger x = new AtomicInteger(0);
3800	>	AtomicReference<Throwable> r = new AtomicReference<>();
3801	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3802	>	checkIncomplete(f);
3803	>	CFException ex = new CFException();
3804	>	f.completeExceptionally(ex);
3805	>	checkCompletedExceptionally(f, ex);
3806	>	assertEquals(x.get(), 0);
3807	>	assertEquals(r.get().getCause(), ex);
3808		}
3809
3810		/**
3811	<	* thenApplyAsync result completes exceptionally if source cancelled
3811	>	* failedStage returns a CompletionStage completed
3812	>	* exceptionally with the given Exception
3813		*/
3814	<	public void testThenApplyAsync4E() {
3815	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3816	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3817	<	assertTrue(f.cancel(true));
3818	<	checkCompletedWithWrappedCancellationException(g);
3814	>	public void testFailedStage() {
3815	>	CFException ex = new CFException();
3816	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3817	>	AtomicInteger x = new AtomicInteger(0);
3818	>	AtomicReference<Throwable> r = new AtomicReference<>();
3819	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3820	>	assertEquals(x.get(), 0);
3821	>	assertEquals(r.get(), ex);
3822		}
3823
3824		/**
3825	<	* thenAcceptAsync result completes normally after normal
1817	<	* completion of source
3825	>	* completeAsync completes with value of given supplier
3826		*/
3827	<	public void testThenAcceptAsyncE() {
3828	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3829	<	IncAction r = new IncAction();
3830	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3831	<	f.complete(one);
3832	<	checkCompletedNormally(g, null);
3833	<	assertEquals(r.value, 2);
3834	<	}
3827	>	public void testCompleteAsync() {
3828	>	for (Integer v1 : new Integer[] { 1, null })
3829	>	{
3830	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3831	>	f.completeAsync(() -> v1);
3832	>	f.join();
3833	>	checkCompletedNormally(f, v1);
3834	>	}}
3835
3836		/**
3837	<	* thenAcceptAsync result completes exceptionally after exceptional
1830	<	* completion of source
3837	>	* completeAsync completes exceptionally if given supplier throws
3838		*/
3839	<	public void testThenAcceptAsync2E() {
3840	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3841	<	IncAction r = new IncAction();
3842	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3843	<	f.completeExceptionally(new CFException());
3844	<	checkCompletedWithWrappedCFException(g);
3845	<	}
3846	<
3847	<	/**
1841	<	* thenAcceptAsync result completes exceptionally if action does
1842	<	*/
1843	<	public void testThenAcceptAsync3E() {
1844	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1845	<	FailingConsumer r = new FailingConsumer();
1846	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1847	<	f.complete(null);
1848	<	checkCompletedWithWrappedCFException(g);
3839	>	public void testCompleteAsync2() {
3840	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3841	>	CFException ex = new CFException();
3842	>	f.completeAsync(() -> { throw ex; });
3843	>	try {
3844	>	f.join();
3845	>	shouldThrow();
3846	>	} catch (CompletionException success) {}
3847	>	checkCompletedWithWrappedException(f, ex);
3848		}
3849
3850		/**
3851	<	* thenAcceptAsync result completes exceptionally if source cancelled
1853	<	*/
1854	<	public void testThenAcceptAsync4E() {
1855	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1856	<	IncAction r = new IncAction();
1857	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1858	<	assertTrue(f.cancel(true));
1859	<	checkCompletedWithWrappedCancellationException(g);
1860	<	}
1861	<	/**
1862	<	* thenCombineAsync result completes normally after normal
1863	<	* completion of sources
3851	>	* completeAsync with given executor completes with value of given supplier
3852		*/
3853	<	public void testThenCombineAsyncE() {
3854	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3855	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3856	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
3857	<	f.complete(one);
3858	<	checkIncomplete(g);
3859	<	f2.complete(two);
3860	<	checkCompletedNormally(g, three);
3861	<	}
3853	>	public void testCompleteAsync3() {
3854	>	for (Integer v1 : new Integer[] { 1, null })
3855	>	{
3856	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3857	>	ThreadExecutor executor = new ThreadExecutor();
3858	>	f.completeAsync(() -> v1, executor);
3859	>	assertSame(v1, f.join());
3860	>	checkCompletedNormally(f, v1);
3861	>	assertEquals(1, executor.count.get());
3862	>	}}
3863
3864		/**
3865	<	* thenCombineAsync result completes exceptionally after exceptional
3866	<	* completion of source
3865	>	* completeAsync with given executor completes exceptionally if
3866	>	* given supplier throws
3867		*/
3868	<	public void testThenCombineAsync2E() {
3869	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3870	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3871	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
3872	<	f.completeExceptionally(new CFException());
3873	<	f2.complete(two);
3874	<	checkCompletedWithWrappedCFException(g);
3868	>	public void testCompleteAsync4() {
3869	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3870	>	CFException ex = new CFException();
3871	>	ThreadExecutor executor = new ThreadExecutor();
3872	>	f.completeAsync(() -> { throw ex; }, executor);
3873	>	try {
3874	>	f.join();
3875	>	shouldThrow();
3876	>	} catch (CompletionException success) {}
3877	>	checkCompletedWithWrappedException(f, ex);
3878	>	assertEquals(1, executor.count.get());
3879	>	}
3880	>
3881	>	/**
3882	>	* orTimeout completes with TimeoutException if not complete
3883	>	*/
3884	>	public void testOrTimeout_timesOut() {
3885	>	long timeoutMillis = timeoutMillis();
3886	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3887	>	long startTime = System.nanoTime();
3888	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3889	>	checkCompletedWithTimeoutException(f);
3890	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3891	>	}
3892	>
3893	>	/**
3894	>	* orTimeout completes normally if completed before timeout
3895	>	*/
3896	>	public void testOrTimeout_completed() {
3897	>	for (Integer v1 : new Integer[] { 1, null })
3898	>	{
3899	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3900	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3901	>	long startTime = System.nanoTime();
3902	>	f.complete(v1);
3903	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3904	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3905	>	g.complete(v1);
3906	>	checkCompletedNormally(f, v1);
3907	>	checkCompletedNormally(g, v1);
3908	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3909	>	}}
3910	>
3911	>	/**
3912	>	* completeOnTimeout completes with given value if not complete
3913	>	*/
3914	>	public void testCompleteOnTimeout_timesOut() {
3915	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3916	>	() -> testCompleteOnTimeout_timesOut(null));
3917	>	}
3918	>
3919	>	/**
3920	>	* completeOnTimeout completes with given value if not complete
3921	>	*/
3922	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3923	>	long timeoutMillis = timeoutMillis();
3924	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3925	>	long startTime = System.nanoTime();
3926	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3927	>	assertSame(v, f.join());
3928	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3929	>	f.complete(99);         // should have no effect
3930	>	checkCompletedNormally(f, v);
3931	>	}
3932	>
3933	>	/**
3934	>	* completeOnTimeout has no effect if completed within timeout
3935	>	*/
3936	>	public void testCompleteOnTimeout_completed() {
3937	>	for (Integer v1 : new Integer[] { 1, null })
3938	>	{
3939	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3940	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3941	>	long startTime = System.nanoTime();
3942	>	f.complete(v1);
3943	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3944	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3945	>	g.complete(v1);
3946	>	checkCompletedNormally(f, v1);
3947	>	checkCompletedNormally(g, v1);
3948	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3949	>	}}
3950	>
3951	>	/**
3952	>	* delayedExecutor returns an executor that delays submission
3953	>	*/
3954	>	public void testDelayedExecutor() {
3955	>	testInParallel(() -> testDelayedExecutor(null, null),
3956	>	() -> testDelayedExecutor(null, 1),
3957	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3958	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3959	>	}
3960	>
3961	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3962	>	long timeoutMillis = timeoutMillis();
3963	>	// Use an "unreasonably long" long timeout to catch lingering threads
3964	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3965	>	final Executor delayer, longDelayer;
3966	>	if (executor == null) {
3967	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3968	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3969	>	} else {
3970	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3971	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3972	>	}
3973	>	long startTime = System.nanoTime();
3974	>	CompletableFuture<Integer> f =
3975	>	CompletableFuture.supplyAsync(() -> v, delayer);
3976	>	CompletableFuture<Integer> g =
3977	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3978	>
3979	>	assertNull(g.getNow(null));
3980	>
3981	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3982	>	long millisElapsed = millisElapsedSince(startTime);
3983	>	assertTrue(millisElapsed >= timeoutMillis);
3984	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3985
3986	<	f = new CompletableFuture<Integer>();
1888	<	f2 = new CompletableFuture<Integer>();
1889	<	g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1890	<	f.complete(one);
1891	<	f2.completeExceptionally(new CFException());
1892	<	checkCompletedWithWrappedCFException(g);
1893	<	}
3986	>	checkCompletedNormally(f, v);
3987
1895	–	/**
1896	–	* thenCombineAsync result completes exceptionally if action does
1897	–	*/
1898	–	public void testThenCombineAsync3E() {
1899	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1900	–	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1901	–	FailingBiFunction r = new FailingBiFunction();
1902	–	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
1903	–	f.complete(one);
3988		checkIncomplete(g);
3989	<	f2.complete(two);
1906	<	checkCompletedWithWrappedCFException(g);
3989	>	assertTrue(g.cancel(true));
3990		}
3991
3992	<	/**
1910	<	* thenCombineAsync result completes exceptionally if either source cancelled
1911	<	*/
1912	<	public void testThenCombineAsync4E() {
1913	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1914	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1915	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1916	<	assertTrue(f.cancel(true));
1917	<	f2.complete(two);
1918	<	checkCompletedWithWrappedCancellationException(g);
3992	>	//--- tests of implementation details; not part of official tck ---
3993
3994	<	f = new CompletableFuture<Integer>();
3995	<	f2 = new CompletableFuture<Integer>();
3996	<	g = f.thenCombineAsync(f2, add, new ThreadExecutor());
3997	<	f.complete(one);
3998	<	assertTrue(f2.cancel(true));
3999	<	checkCompletedWithWrappedCancellationException(g);
4000	<	}
3994	>	Object resultOf(CompletableFuture<?> f) {
3995	>	SecurityManager sm = System.getSecurityManager();
3996	>	if (sm != null) {
3997	>	try {
3998	>	System.setSecurityManager(null);
3999	>	} catch (SecurityException giveUp) {
4000	>	return "Reflection not available";
4001	>	}
4002	>	}
4003
4004	<	/**
4005	<	* thenAcceptBothAsync result completes normally after normal
4006	<	* completion of sources
4007	<	*/
4008	<	public void testThenAcceptBothAsyncE() {
4009	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4010	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4011	<	AddAction r = new AddAction();
4012	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
4013	<	f.complete(one);
1938	<	checkIncomplete(g);
1939	<	f2.complete(two);
1940	<	checkCompletedNormally(g, null);
1941	<	assertEquals(r.value, 3);
4004	>	try {
4005	>	java.lang.reflect.Field resultField
4006	>	= CompletableFuture.class.getDeclaredField("result");
4007	>	resultField.setAccessible(true);
4008	>	return resultField.get(f);
4009	>	} catch (Throwable t) {
4010	>	throw new AssertionError(t);
4011	>	} finally {
4012	>	if (sm != null) System.setSecurityManager(sm);
4013	>	}
4014		}
4015
4016	<	/**
4017	<	* thenAcceptBothAsync result completes exceptionally after exceptional
4018	<	* completion of source
4019	<	*/
4020	<	public void testThenAcceptBothAsync2E() {
4021	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4022	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4023	<	AddAction r = new AddAction();
4024	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
4025	<	f.completeExceptionally(new CFException());
4026	<	f2.complete(two);
4027	<	checkCompletedWithWrappedCFException(g);
4028	<
4029	<	r = new AddAction();
4030	<	f = new CompletableFuture<Integer>();
4031	<	f2 = new CompletableFuture<Integer>();
4032	<	g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
4033	<	f.complete(one);
4034	<	f2.completeExceptionally(new CFException());
4035	<	checkCompletedWithWrappedCFException(g);
4036	<	}
4016	>	public void testExceptionPropagationReusesResultObject() {
4017	>	if (!testImplementationDetails) return;
4018	>	for (ExecutionMode m : ExecutionMode.values())
4019	>	{
4020	>	final CFException ex = new CFException();
4021	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4022	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4023	>
4024	>	final Runnable noopRunnable = new Noop(m);
4025	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4026	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4027	>
4028	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4029	>	= new ArrayList<>();
4030	>
4031	>	funs.add(y -> m.thenRun(y, noopRunnable));
4032	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4033	>	funs.add(y -> m.thenApply(y, incFunction));
4034	>
4035	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4036	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4037	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4038	>
4039	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4040	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4041	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4042	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4043	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4044	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4045	>
4046	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4047	>
4048	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4049	>
4050	>	funs.add(y -> CompletableFuture.allOf(y));
4051	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4052	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4053	>	funs.add(y -> CompletableFuture.anyOf(y));
4054	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4055	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4056	>
4057	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4058	>	fun : funs) {
4059	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4060	>	f.completeExceptionally(ex);
4061	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4062	>	checkCompletedWithWrappedException(src, ex);
4063	>	CompletableFuture<?> dep = fun.apply(src);
4064	>	checkCompletedWithWrappedException(dep, ex);
4065	>	assertSame(resultOf(src), resultOf(dep));
4066	>	}
4067
4068	<	/**
4069	<	* thenAcceptBothAsync result completes exceptionally if action does
4070	<	*/
4071	<	public void testThenAcceptBothAsync3E() {
4072	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4073	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4074	<	FailingBiConsumer r = new FailingBiConsumer();
4075	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
4076	<	f.complete(one);
4077	<	checkIncomplete(g);
1976	<	f2.complete(two);
1977	<	checkCompletedWithWrappedCFException(g);
1978	<	}
4068	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4069	>	fun : funs) {
4070	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4071	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4072	>	CompletableFuture<?> dep = fun.apply(src);
4073	>	f.completeExceptionally(ex);
4074	>	checkCompletedWithWrappedException(src, ex);
4075	>	checkCompletedWithWrappedException(dep, ex);
4076	>	assertSame(resultOf(src), resultOf(dep));
4077	>	}
4078
4079	<	/**
4080	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
4081	<	*/
4082	<	public void testThenAcceptBothAsync4E() {
4083	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4084	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4085	<	AddAction r = new AddAction();
4086	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
4087	<	assertTrue(f.cancel(true));
4088	<	f2.complete(two);
4089	<	checkCompletedWithWrappedCancellationException(g);
4079	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4080	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4081	>	fun : funs) {
4082	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4083	>	f.cancel(mayInterruptIfRunning);
4084	>	checkCancelled(f);
4085	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4086	>	checkCompletedWithWrappedCancellationException(src);
4087	>	CompletableFuture<?> dep = fun.apply(src);
4088	>	checkCompletedWithWrappedCancellationException(dep);
4089	>	assertSame(resultOf(src), resultOf(dep));
4090	>	}
4091
4092	<	r = new AddAction();
4093	<	f = new CompletableFuture<Integer>();
4094	<	f2 = new CompletableFuture<Integer>();
4095	<	g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
4096	<	f.complete(one);
4097	<	assertTrue(f2.cancel(true));
4098	<	checkCompletedWithWrappedCancellationException(g);
4099	<	}
4092	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4093	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4094	>	fun : funs) {
4095	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4096	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4097	>	CompletableFuture<?> dep = fun.apply(src);
4098	>	f.cancel(mayInterruptIfRunning);
4099	>	checkCancelled(f);
4100	>	checkCompletedWithWrappedCancellationException(src);
4101	>	checkCompletedWithWrappedCancellationException(dep);
4102	>	assertSame(resultOf(src), resultOf(dep));
4103	>	}
4104	>	}}
4105
4106		/**
4107	<	* runAfterBothAsync result completes normally after normal
2003	<	* completion of sources
4107	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4108		*/
4109	<	public void testRunAfterBothAsyncE() {
4110	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4111	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4112	<	Noop r = new Noop();
4113	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
4114	<	f.complete(one);
4115	<	checkIncomplete(g);
4116	<	f2.complete(two);
4117	<	checkCompletedNormally(g, null);
4118	<	assertTrue(r.ran);
4109	>	public void testMinimalCompletionStage_minimality() {
4110	>	if (!testImplementationDetails) return;
4111	>	Function<Method, String> toSignature =
4112	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4113	>	Predicate<Method> isNotStatic =
4114	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4115	>	List<Method> minimalMethods =
4116	>	Stream.of(Object.class, CompletionStage.class)
4117	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4118	>	.filter(isNotStatic)
4119	>	.collect(Collectors.toList());
4120	>	// Methods from CompletableFuture permitted NOT to throw UOE
4121	>	String[] signatureWhitelist = {
4122	>	"newIncompleteFuture[]",
4123	>	"defaultExecutor[]",
4124	>	"minimalCompletionStage[]",
4125	>	"copy[]",
4126	>	};
4127	>	Set<String> permittedMethodSignatures =
4128	>	Stream.concat(minimalMethods.stream().map(toSignature),
4129	>	Stream.of(signatureWhitelist))
4130	>	.collect(Collectors.toSet());
4131	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4132	>	.filter(isNotStatic)
4133	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4134	>	.collect(Collectors.toList());
4135	>
4136	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4137	>	CompletionStage<Integer> min =
4138	>	new CompletableFuture<Integer>().minimalCompletionStage();
4139	>	stages.add(min);
4140	>	stages.add(min.thenApply(x -> x));
4141	>	stages.add(CompletableFuture.completedStage(1));
4142	>	stages.add(CompletableFuture.failedStage(new CFException()));
4143	>
4144	>	List<Method> bugs = new ArrayList<>();
4145	>	for (Method method : allMethods) {
4146	>	Class<?>[] parameterTypes = method.getParameterTypes();
4147	>	Object[] args = new Object[parameterTypes.length];
4148	>	// Manufacture boxed primitives for primitive params
4149	>	for (int i = 0; i < args.length; i++) {
4150	>	Class<?> type = parameterTypes[i];
4151	>	if (parameterTypes[i] == boolean.class)
4152	>	args[i] = false;
4153	>	else if (parameterTypes[i] == int.class)
4154	>	args[i] = 0;
4155	>	else if (parameterTypes[i] == long.class)
4156	>	args[i] = 0L;
4157	>	}
4158	>	for (CompletionStage<Integer> stage : stages) {
4159	>	try {
4160	>	method.invoke(stage, args);
4161	>	bugs.add(method);
4162	>	}
4163	>	catch (java.lang.reflect.InvocationTargetException expected) {
4164	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4165	>	bugs.add(method);
4166	>	// expected.getCause().printStackTrace();
4167	>	}
4168	>	}
4169	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4170	>	}
4171	>	}
4172	>	if (!bugs.isEmpty())
4173	>	throw new Error("Methods did not throw UOE: " + bugs);
4174		}
4175
4176		/**
4177	<	* runAfterBothAsync result completes exceptionally after exceptional
4178	<	* completion of source
4177	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4178	>	* is completed normally, with the same value, when source is.
4179		*/
4180	<	public void testRunAfterBothAsync2E() {
4181	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4182	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4183	<	Noop r = new Noop();
4184	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
4185	<	f.completeExceptionally(new CFException());
4186	<	f2.complete(two);
4187	<	checkCompletedWithWrappedCFException(g);
4188	<
4189	<	r = new Noop();
4190	<	f = new CompletableFuture<Integer>();
4191	<	f2 = new CompletableFuture<Integer>();
4192	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
4193	<	f.complete(one);
4194	<	f2.completeExceptionally(new CFException());
4195	<	checkCompletedWithWrappedCFException(g);
4196	<	}
4197	<
4198	<	/**
4199	<	* runAfterBothAsync result completes exceptionally if action does
4200	<	*/
4201	<	public void testRunAfterBothAsync3E() {
4202	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4203	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4204	<	FailingNoop r = new FailingNoop();
4205	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
4206	<	f.complete(one);
4207	<	checkIncomplete(g);
4208	<	f2.complete(two);
4209	<	checkCompletedWithWrappedCFException(g);
4210	<	}
4180	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4181	>	for (boolean createIncomplete : new boolean[] { true, false })
4182	>	for (Integer v1 : new Integer[] { 1, null })
4183	>	{
4184	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4185	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4186	>	if (!createIncomplete) assertTrue(f.complete(v1));
4187	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4188	>	if (createIncomplete) {
4189	>	checkIncomplete(f);
4190	>	checkIncomplete(g);
4191	>	assertTrue(f.complete(v1));
4192	>	}
4193	>	checkCompletedNormally(f, v1);
4194	>	checkCompletedNormally(g, v1);
4195	>	}}
4196	>
4197	>	/**
4198	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4199	>	* is completed exceptionally when source is.
4200	>	*/
4201	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4202	>	for (boolean createIncomplete : new boolean[] { true, false })
4203	>	{
4204	>	CFException ex = new CFException();
4205	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4206	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4207	>	if (!createIncomplete) f.completeExceptionally(ex);
4208	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4209	>	if (createIncomplete) {
4210	>	checkIncomplete(f);
4211	>	checkIncomplete(g);
4212	>	f.completeExceptionally(ex);
4213	>	}
4214	>	checkCompletedExceptionally(f, ex);
4215	>	checkCompletedWithWrappedException(g, ex);
4216	>	}}
4217
4218		/**
4219	<	* runAfterBothAsync result completes exceptionally if either source cancelled
4220	<	*/
4221	<	public void testRunAfterBothAsync4E() {
4222	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4223	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4224	<	Noop r = new Noop();
4225	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
4226	<	assertTrue(f.cancel(true));
4227	<	f2.complete(two);
4228	<	checkCompletedWithWrappedCancellationException(g);
4229	<
4230	<	r = new Noop();
4231	<	f = new CompletableFuture<Integer>();
2067	<	f2 = new CompletableFuture<Integer>();
2068	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2069	<	f.complete(one);
2070	<	assertTrue(f2.cancel(true));
2071	<	checkCompletedWithWrappedCancellationException(g);
2072	<	}
4219	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4220	>	*/
4221	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4222	>	for (Integer v1 : new Integer[] { 1, null })
4223	>	{
4224	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4225	>	CompletionStage minimal = f.minimalCompletionStage();
4226	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4227	>	assertTrue(g.complete(v1));
4228	>	checkCompletedNormally(g, v1);
4229	>	checkIncomplete(f);
4230	>	checkIncomplete(minimal.toCompletableFuture());
4231	>	}}
4232
4233		/**
4234	<	* applyToEitherAsync result completes normally after normal
2076	<	* completion of sources
4234	>	* minimalStage.toCompletableFuture().join() awaits completion
4235		*/
4236	<	public void testApplyToEitherAsyncE() {
4237	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4238	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4239	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
4240	<	f.complete(one);
4241	<	checkCompletedNormally(g, two);
4242	<
4243	<	f = new CompletableFuture<Integer>();
4244	<	f.complete(one);
4245	<	f2 = new CompletableFuture<Integer>();
4246	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
4247	<	checkCompletedNormally(g, two);
4236	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4237	>	for (boolean createIncomplete : new boolean[] { true, false })
4238	>	for (Integer v1 : new Integer[] { 1, null })
4239	>	{
4240	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4241	>	if (!createIncomplete) assertTrue(f.complete(v1));
4242	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4243	>	if (createIncomplete) assertTrue(f.complete(v1));
4244	>	assertEquals(v1, minimal.toCompletableFuture().join());
4245	>	assertEquals(v1, minimal.toCompletableFuture().get());
4246	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4247	>	}}
4248	>
4249	>	/**
4250	>	* Completion of a toCompletableFuture copy of a minimal stage
4251	>	* does not complete its source.
4252	>	*/
4253	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4254	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4255	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4256	>	assertTrue(g.toCompletableFuture().complete(1));
4257	>	assertTrue(g.toCompletableFuture().complete(null));
4258	>	assertTrue(g.toCompletableFuture().cancel(true));
4259	>	assertTrue(g.toCompletableFuture().cancel(false));
4260	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4261	>	checkIncomplete(g.toCompletableFuture());
4262	>	f.complete(1);
4263	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4264		}
4265
4266	<	/**
4267	<	* applyToEitherAsync result completes exceptionally after exceptional
4268	<	* completion of source
4269	<	*/
4270	<	public void testApplyToEitherAsync2E() {
4271	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4272	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4273	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
4274	<	f.completeExceptionally(new CFException());
4275	<	checkCompletedWithWrappedCFException(g);
4276	<
4277	<	f = new CompletableFuture<Integer>();
4278	<	f2 = new CompletableFuture<Integer>();
4279	<	f2.completeExceptionally(new CFException());
2106	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2107	<	f.complete(one);
2108	<	checkCompletedWithWrappedCFException(g);
4266	>	/** Demo utility method for external reliable toCompletableFuture */
4267	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4268	>	CompletableFuture<T> f = new CompletableFuture<>();
4269	>	stage.handle((T t, Throwable ex) -> {
4270	>	if (ex != null) f.completeExceptionally(ex);
4271	>	else f.complete(t);
4272	>	return null;
4273	>	});
4274	>	return f;
4275	>	}
4276	>
4277	>	/** Demo utility method to join a CompletionStage */
4278	>	static <T> T join(CompletionStage<T> stage) {
4279	>	return toCompletableFuture(stage).join();
4280		}
4281
4282		/**
4283	<	* applyToEitherAsync result completes exceptionally if action does
4284	<	*/
4285	<	public void testApplyToEitherAsync3E() {
4286	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4287	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4288	<	FailingFunction r = new FailingFunction();
4289	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
4290	<	f.complete(one);
4291	<	checkCompletedWithWrappedCFException(g);
4292	<	}
4283	>	* Joining a minimal stage "by hand" works
4284	>	*/
4285	>	public void testMinimalCompletionStage_join_by_hand() {
4286	>	for (boolean createIncomplete : new boolean[] { true, false })
4287	>	for (Integer v1 : new Integer[] { 1, null })
4288	>	{
4289	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4290	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4291	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4292	>	if (!createIncomplete) assertTrue(f.complete(v1));
4293	>	minimal.thenAccept(x -> g.complete(x));
4294	>	if (createIncomplete) assertTrue(f.complete(v1));
4295	>	g.join();
4296	>	checkCompletedNormally(g, v1);
4297	>	checkCompletedNormally(f, v1);
4298	>	assertEquals(v1, join(minimal));
4299	>	}}
4300	>
4301	>	static class Monad {
4302	>	static class ZeroException extends RuntimeException {
4303	>	public ZeroException() { super("monadic zero"); }
4304	>	}
4305	>	// "return", "unit"
4306	>	static <T> CompletableFuture<T> unit(T value) {
4307	>	return completedFuture(value);
4308	>	}
4309	>	// monadic zero ?
4310	>	static <T> CompletableFuture<T> zero() {
4311	>	return failedFuture(new ZeroException());
4312	>	}
4313	>	// >=>
4314	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4315	>	(Function<T, CompletableFuture<U>> f,
4316	>	Function<U, CompletableFuture<V>> g) {
4317	>	return x -> f.apply(x).thenCompose(g);
4318	>	}
4319
4320	<	/**
4321	<	* applyToEitherAsync result completes exceptionally if either source cancelled
4322	<	*/
4323	<	public void testApplyToEitherAsync4E() {
4324	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4325	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4326	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
4327	<	assertTrue(f.cancel(true));
2131	<	checkCompletedWithWrappedCancellationException(g);
4320	>	static void assertZero(CompletableFuture<?> f) {
4321	>	try {
4322	>	f.getNow(null);
4323	>	throw new AssertionError("should throw");
4324	>	} catch (CompletionException success) {
4325	>	assertTrue(success.getCause() instanceof ZeroException);
4326	>	}
4327	>	}
4328
4329	<	f = new CompletableFuture<Integer>();
4330	<	f2 = new CompletableFuture<Integer>();
4331	<	assertTrue(f2.cancel(true));
4332	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
4333	<	checkCompletedWithWrappedCancellationException(g);
4334	<	}
4329	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4330	>	CompletableFuture<T> g) {
4331	>	T fval = null, gval = null;
4332	>	Throwable fex = null, gex = null;
4333	>
4334	>	try { fval = f.get(); }
4335	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4336	>	catch (Throwable ex) { fex = ex; }
4337	>
4338	>	try { gval = g.get(); }
4339	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4340	>	catch (Throwable ex) { gex = ex; }
4341	>
4342	>	if (fex != null || gex != null)
4343	>	assertSame(fex.getClass(), gex.getClass());
4344	>	else
4345	>	assertEquals(fval, gval);
4346	>	}
4347
4348	<	/**
4349	<	* acceptEitherAsync result completes normally after normal
4350	<	* completion of sources
2143	<	*/
2144	<	public void testAcceptEitherAsyncE() {
2145	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2146	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2147	<	IncAction r = new IncAction();
2148	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2149	<	f.complete(one);
2150	<	checkCompletedNormally(g, null);
2151	<	assertEquals(r.value, 2);
4348	>	static class PlusFuture<T> extends CompletableFuture<T> {
4349	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4350	>	}
4351
4352	<	r = new IncAction();
4353	<	f = new CompletableFuture<Integer>();
4354	<	f.complete(one);
4355	<	f2 = new CompletableFuture<Integer>();
4356	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4357	<	checkCompletedNormally(g, null);
4358	<	assertEquals(r.value, 2);
4352	>	/** Implements "monadic plus". */
4353	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4354	>	CompletableFuture<? extends T> g) {
4355	>	PlusFuture<T> plus = new PlusFuture<T>();
4356	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4357	>	try {
4358	>	if (ex == null) {
4359	>	if (plus.complete(result))
4360	>	if (plus.firstFailure.get() != null)
4361	>	plus.firstFailure.set(null);
4362	>	}
4363	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4364	>	if (plus.isDone())
4365	>	plus.firstFailure.set(null);
4366	>	}
4367	>	else {
4368	>	// first failure has precedence
4369	>	Throwable first = plus.firstFailure.getAndSet(null);
4370	>
4371	>	// may fail with "Self-suppression not permitted"
4372	>	try { first.addSuppressed(ex); }
4373	>	catch (Exception ignored) {}
4374	>
4375	>	plus.completeExceptionally(first);
4376	>	}
4377	>	} catch (Throwable unexpected) {
4378	>	plus.completeExceptionally(unexpected);
4379	>	}
4380	>	};
4381	>	f.whenComplete(action);
4382	>	g.whenComplete(action);
4383	>	return plus;
4384	>	}
4385		}
4386
4387		/**
4388	<	* acceptEitherAsync result completes exceptionally after exceptional
4389	<	* completion of source
4388	>	* CompletableFuture is an additive monad - sort of.
4389	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4390		*/
4391	<	public void testAcceptEitherAsync2E() {
4392	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4393	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4394	<	IncAction r = new IncAction();
4395	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4396	<	f.completeExceptionally(new CFException());
4397	<	checkCompletedWithWrappedCFException(g);
4398	<
4399	<	r = new IncAction();
4400	<	f = new CompletableFuture<Integer>();
4401	<	f2 = new CompletableFuture<Integer>();
4402	<	f2.completeExceptionally(new CFException());
4403	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4404	<	f.complete(one);
4405	<	checkCompletedWithWrappedCFException(g);
4406	<	}
4391	>	public void testAdditiveMonad() throws Throwable {
4392	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4393	>	CompletableFuture<Long> zero = Monad.zero();
4394	>
4395	>	// Some mutually non-commutative functions
4396	>	Function<Long, CompletableFuture<Long>> triple
4397	>	= x -> Monad.unit(3 * x);
4398	>	Function<Long, CompletableFuture<Long>> inc
4399	>	= x -> Monad.unit(x + 1);
4400	>
4401	>	// unit is a right identity: m >>= unit === m
4402	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4403	>	inc.apply(5L));
4404	>	// unit is a left identity: (unit x) >>= f === f x
4405	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4406	>	inc.apply(5L));
4407	>
4408	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4409	>	Monad.assertFutureEquals(
4410	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4411	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4412	>
4413	>	// The case for CompletableFuture as an additive monad is weaker...
4414	>
4415	>	// zero is a monadic zero
4416	>	Monad.assertZero(zero);
4417	>
4418	>	// left zero: zero >>= f === zero
4419	>	Monad.assertZero(zero.thenCompose(inc));
4420	>	// right zero: f >>= (\x -> zero) === zero
4421	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4422	>
4423	>	// f plus zero === f
4424	>	Monad.assertFutureEquals(Monad.unit(5L),
4425	>	Monad.plus(Monad.unit(5L), zero));
4426	>	// zero plus f === f
4427	>	Monad.assertFutureEquals(Monad.unit(5L),
4428	>	Monad.plus(zero, Monad.unit(5L)));
4429	>	// zero plus zero === zero
4430	>	Monad.assertZero(Monad.plus(zero, zero));
4431	>	{
4432	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4433	>	Monad.unit(8L));
4434	>	// non-determinism
4435	>	assertTrue(f.get() == 5L || f.get() == 8L);
4436	>	}
4437
4438	<	/**
4439	<	* acceptEitherAsync result completes exceptionally if action does
4440	<	*/
4441	<	public void testAcceptEitherAsync3E() {
4442	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4443	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4444	<	FailingConsumer r = new FailingConsumer();
4445	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4446	<	f.complete(one);
4447	<	checkCompletedWithWrappedCFException(g);
4438	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4439	>	// f plus godot === f (doesn't wait for godot)
4440	>	Monad.assertFutureEquals(Monad.unit(5L),
4441	>	Monad.plus(Monad.unit(5L), godot));
4442	>	// godot plus f === f (doesn't wait for godot)
4443	>	Monad.assertFutureEquals(Monad.unit(5L),
4444	>	Monad.plus(godot, Monad.unit(5L)));
4445	>	}
4446	>
4447	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4448	>	@SuppressWarnings("FutureReturnValueIgnored")
4449	>	public void testRecursiveChains() throws Throwable {
4450	>	for (ExecutionMode m : ExecutionMode.values())
4451	>	for (boolean addDeadEnds : new boolean[] { true, false })
4452	>	{
4453	>	final int val = 42;
4454	>	final int n = expensiveTests ? 1_000 : 2;
4455	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4456	>	CompletableFuture<Integer> tail = head;
4457	>	for (int i = 0; i < n; i++) {
4458	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4459	>	tail = m.thenApply(tail, v -> v + 1);
4460	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4461	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4462	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4463	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4464	>	}
4465	>	head.complete(val);
4466	>	assertEquals(val + 3 * n, (int) tail.join());
4467	>	}}
4468	>
4469	>	/**
4470	>	* A single CompletableFuture with many dependents.
4471	>	* A demo of scalability - runtime is O(n).
4472	>	*/
4473	>	@SuppressWarnings("FutureReturnValueIgnored")
4474	>	public void testManyDependents() throws Throwable {
4475	>	final int n = expensiveTests ? 1_000_000 : 10;
4476	>	final CompletableFuture<Void> head = new CompletableFuture<>();
4477	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4478	>	final AtomicInteger count = new AtomicInteger(0);
4479	>	for (int i = 0; i < n; i++) {
4480	>	head.thenRun(() -> count.getAndIncrement());
4481	>	head.thenAccept(x -> count.getAndIncrement());
4482	>	head.thenApply(x -> count.getAndIncrement());
4483	>
4484	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
4485	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4486	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4487	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
4488	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4489	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4490	>
4491	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4492	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4493	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4494	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4495	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4496	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4497	>	}
4498	>	head.complete(null);
4499	>	assertEquals(5 * 3 * n, count.get());
4500		}
4501
4502	<	/**
4503	<	* acceptEitherAsync result completes exceptionally if either
4504	<	* source cancelled
4505	<	*/
4506	<	public void testAcceptEitherAsync4E() {
4507	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4508	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4509	<	IncAction r = new IncAction();
4510	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4511	<	assertTrue(f.cancel(true));
4512	<	checkCompletedWithWrappedCancellationException(g);
4502	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4503	>	@SuppressWarnings("FutureReturnValueIgnored")
4504	>	public void testCoCompletionGarbageRetention() throws Throwable {
4505	>	final int n = expensiveTests ? 1_000_000 : 10;
4506	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4507	>	CompletableFuture<Integer> f;
4508	>	for (int i = 0; i < n; i++) {
4509	>	f = new CompletableFuture<>();
4510	>	f.runAfterEither(incomplete, () -> {});
4511	>	f.complete(null);
4512	>
4513	>	f = new CompletableFuture<>();
4514	>	f.acceptEither(incomplete, x -> {});
4515	>	f.complete(null);
4516	>
4517	>	f = new CompletableFuture<>();
4518	>	f.applyToEither(incomplete, x -> x);
4519	>	f.complete(null);
4520	>
4521	>	f = new CompletableFuture<>();
4522	>	CompletableFuture.anyOf(f, incomplete);
4523	>	f.complete(null);
4524	>	}
4525
4526	<	r = new IncAction();
4527	<	f = new CompletableFuture<Integer>();
4528	<	f2 = new CompletableFuture<Integer>();
4529	<	assertTrue(f2.cancel(true));
4530	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4531	<	checkCompletedWithWrappedCancellationException(g);
4526	>	for (int i = 0; i < n; i++) {
4527	>	f = new CompletableFuture<>();
4528	>	incomplete.runAfterEither(f, () -> {});
4529	>	f.complete(null);
4530	>
4531	>	f = new CompletableFuture<>();
4532	>	incomplete.acceptEither(f, x -> {});
4533	>	f.complete(null);
4534	>
4535	>	f = new CompletableFuture<>();
4536	>	incomplete.applyToEither(f, x -> x);
4537	>	f.complete(null);
4538	>
4539	>	f = new CompletableFuture<>();
4540	>	CompletableFuture.anyOf(incomplete, f);
4541	>	f.complete(null);
4542	>	}
4543		}
4544
4545		/**
4546	<	* runAfterEitherAsync result completes normally after normal
4547	<	* completion of sources
4548	<	*/
4549	<	public void testRunAfterEitherAsyncE() {
4550	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4551	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4552	<	Noop r = new Noop();
4553	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4554	<	f.complete(one);
4555	<	checkCompletedNormally(g, null);
4556	<	assertTrue(r.ran);
4557	<
4558	<	r = new Noop();
4559	<	f = new CompletableFuture<Integer>();
4560	<	f.complete(one);
4561	<	f2 = new CompletableFuture<Integer>();
4562	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4563	<	checkCompletedNormally(g, null);
4564	<	assertTrue(r.ran);
4565	<	}
4546	>	* Reproduction recipe for:
4547	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4548	>	* 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
4549	>	*/
4550	>	public void testAnyOfGarbageRetention() throws Throwable {
4551	>	for (Integer v : new Integer[] { 1, null })
4552	>	{
4553	>	final int n = expensiveTests ? 100_000 : 10;
4554	>	CompletableFuture<Integer>[] fs
4555	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4556	>	for (int i = 0; i < fs.length; i++)
4557	>	fs[i] = new CompletableFuture<>();
4558	>	fs[fs.length - 1].complete(v);
4559	>	for (int i = 0; i < n; i++)
4560	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4561	>	}}
4562	>
4563	>	/**
4564	>	* Checks for garbage retention with allOf.
4565	>	*
4566	>	* As of 2016-07, fails with OOME:
4567	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4568	>	*/
4569	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4570	>	final int n = expensiveTests ? 100_000 : 10;
4571	>	CompletableFuture<Integer>[] fs
4572	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4573	>	for (int i = 0; i < fs.length; i++)
4574	>	fs[i] = new CompletableFuture<>();
4575	>	for (int i = 0; i < n; i++)
4576	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4577	>	}
4578	>
4579	>	/**
4580	>	* Checks for garbage retention when a dependent future is
4581	>	* cancelled and garbage-collected.
4582	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4583	>	*
4584	>	* As of 2016-07, fails with OOME:
4585	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4586	>	*/
4587	>	public void testCancelledGarbageRetention() throws Throwable {
4588	>	final int n = expensiveTests ? 100_000 : 10;
4589	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4590	>	for (int i = 0; i < n; i++)
4591	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4592	>	}
4593	>
4594	>	/**
4595	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4596	>	* is invoked many times.
4597	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4598	>	*
4599	>	* As of 2016-07, fails with OOME:
4600	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4601	>	*/
4602	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4603	>	final int n = expensiveTests ? 900_000 : 10;
4604	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4605	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4606	>	for (int i = 0; i < n; i++)
4607	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4608	>	}
4609	>
4610	>	//     static <U> U join(CompletionStage<U> stage) {
4611	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4612	>	//         stage.whenComplete((v, ex) -> {
4613	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4614	>	//         });
4615	>	//         return f.join();
4616	>	//     }
4617	>
4618	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4619	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4620	>	//         stage.whenComplete((v, ex) -> {
4621	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4622	>	//         });
4623	>	//         return f.isDone();
4624	>	//     }
4625	>
4626	>	//     static <U> U join2(CompletionStage<U> stage) {
4627	>	//         return stage.toCompletableFuture().copy().join();
4628	>	//     }
4629	>
4630	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4631	>	//         return stage.toCompletableFuture().copy().isDone();
4632	>	//     }
4633	>
4634	>	// For testing default implementations
4635	>	// Only non-default interface methods defined.
4636	>	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4637	>	final CompletableFuture<T> cf;
4638	>	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4639	>	public CompletableFuture<T> toCompletableFuture() {
4640	>	return cf; }
4641	>	public CompletionStage<Void> thenRun
4642	>	(Runnable action) {
4643	>	return cf.thenRun(action); }
4644	>	public CompletionStage<Void> thenRunAsync
4645	>	(Runnable action) {
4646	>	return cf.thenRunAsync(action); }
4647	>	public CompletionStage<Void> thenRunAsync
4648	>	(Runnable action,
4649	>	Executor executor) {
4650	>	return cf.thenRunAsync(action, executor); }
4651	>	public CompletionStage<Void> thenAccept
4652	>	(Consumer<? super T> action) {
4653	>	return cf.thenAccept(action); }
4654	>	public CompletionStage<Void> thenAcceptAsync
4655	>	(Consumer<? super T> action) {
4656	>	return cf.thenAcceptAsync(action); }
4657	>	public CompletionStage<Void> thenAcceptAsync
4658	>	(Consumer<? super T> action,
4659	>	Executor executor) {
4660	>	return cf.thenAcceptAsync(action, executor); }
4661	>	public <U> CompletionStage<U> thenApply
4662	>	(Function<? super T,? extends U> a) {
4663	>	return cf.thenApply(a); }
4664	>	public <U> CompletionStage<U> thenApplyAsync
4665	>	(Function<? super T,? extends U> fn) {
4666	>	return cf.thenApplyAsync(fn); }
4667	>	public <U> CompletionStage<U> thenApplyAsync
4668	>	(Function<? super T,? extends U> fn,
4669	>	Executor executor) {
4670	>	return cf.thenApplyAsync(fn, executor); }
4671	>	public <U,V> CompletionStage<V> thenCombine
4672	>	(CompletionStage<? extends U> other,
4673	>	BiFunction<? super T,? super U,? extends V> fn) {
4674	>	return cf.thenCombine(other, fn); }
4675	>	public <U,V> CompletionStage<V> thenCombineAsync
4676	>	(CompletionStage<? extends U> other,
4677	>	BiFunction<? super T,? super U,? extends V> fn) {
4678	>	return cf.thenCombineAsync(other, fn); }
4679	>	public <U,V> CompletionStage<V> thenCombineAsync
4680	>	(CompletionStage<? extends U> other,
4681	>	BiFunction<? super T,? super U,? extends V> fn,
4682	>	Executor executor) {
4683	>	return cf.thenCombineAsync(other, fn, executor); }
4684	>	public <U> CompletionStage<Void> thenAcceptBoth
4685	>	(CompletionStage<? extends U> other,
4686	>	BiConsumer<? super T, ? super U> action) {
4687	>	return cf.thenAcceptBoth(other, action); }
4688	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4689	>	(CompletionStage<? extends U> other,
4690	>	BiConsumer<? super T, ? super U> action) {
4691	>	return cf.thenAcceptBothAsync(other, action); }
4692	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4693	>	(CompletionStage<? extends U> other,
4694	>	BiConsumer<? super T, ? super U> action,
4695	>	Executor executor) {
4696	>	return cf.thenAcceptBothAsync(other, action, executor); }
4697	>	public CompletionStage<Void> runAfterBoth
4698	>	(CompletionStage<?> other,
4699	>	Runnable action) {
4700	>	return cf.runAfterBoth(other, action); }
4701	>	public CompletionStage<Void> runAfterBothAsync
4702	>	(CompletionStage<?> other,
4703	>	Runnable action) {
4704	>	return cf.runAfterBothAsync(other, action); }
4705	>	public CompletionStage<Void> runAfterBothAsync
4706	>	(CompletionStage<?> other,
4707	>	Runnable action,
4708	>	Executor executor) {
4709	>	return cf.runAfterBothAsync(other, action, executor); }
4710	>	public <U> CompletionStage<U> applyToEither
4711	>	(CompletionStage<? extends T> other,
4712	>	Function<? super T, U> fn) {
4713	>	return cf.applyToEither(other, fn); }
4714	>	public <U> CompletionStage<U> applyToEitherAsync
4715	>	(CompletionStage<? extends T> other,
4716	>	Function<? super T, U> fn) {
4717	>	return cf.applyToEitherAsync(other, fn); }
4718	>	public <U> CompletionStage<U> applyToEitherAsync
4719	>	(CompletionStage<? extends T> other,
4720	>	Function<? super T, U> fn,
4721	>	Executor executor) {
4722	>	return cf.applyToEitherAsync(other, fn, executor); }
4723	>	public CompletionStage<Void> acceptEither
4724	>	(CompletionStage<? extends T> other,
4725	>	Consumer<? super T> action) {
4726	>	return cf.acceptEither(other, action); }
4727	>	public CompletionStage<Void> acceptEitherAsync
4728	>	(CompletionStage<? extends T> other,
4729	>	Consumer<? super T> action) {
4730	>	return cf.acceptEitherAsync(other, action); }
4731	>	public CompletionStage<Void> acceptEitherAsync
4732	>	(CompletionStage<? extends T> other,
4733	>	Consumer<? super T> action,
4734	>	Executor executor) {
4735	>	return cf.acceptEitherAsync(other, action, executor); }
4736	>	public CompletionStage<Void> runAfterEither
4737	>	(CompletionStage<?> other,
4738	>	Runnable action) {
4739	>	return cf.runAfterEither(other, action); }
4740	>	public CompletionStage<Void> runAfterEitherAsync
4741	>	(CompletionStage<?> other,
4742	>	Runnable action) {
4743	>	return cf.runAfterEitherAsync(other, action); }
4744	>	public CompletionStage<Void> runAfterEitherAsync
4745	>	(CompletionStage<?> other,
4746	>	Runnable action,
4747	>	Executor executor) {
4748	>	return cf.runAfterEitherAsync(other, action, executor); }
4749	>	public <U> CompletionStage<U> thenCompose
4750	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4751	>	return cf.thenCompose(fn); }
4752	>	public <U> CompletionStage<U> thenComposeAsync
4753	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4754	>	return cf.thenComposeAsync(fn); }
4755	>	public <U> CompletionStage<U> thenComposeAsync
4756	>	(Function<? super T, ? extends CompletionStage<U>> fn,
4757	>	Executor executor) {
4758	>	return cf.thenComposeAsync(fn, executor); }
4759	>	public <U> CompletionStage<U> handle
4760	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4761	>	return cf.handle(fn); }
4762	>	public <U> CompletionStage<U> handleAsync
4763	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4764	>	return cf.handleAsync(fn); }
4765	>	public <U> CompletionStage<U> handleAsync
4766	>	(BiFunction<? super T, Throwable, ? extends U> fn,
4767	>	Executor executor) {
4768	>	return cf.handleAsync(fn, executor); }
4769	>	public CompletionStage<T> whenComplete
4770	>	(BiConsumer<? super T, ? super Throwable> action) {
4771	>	return cf.whenComplete(action); }
4772	>	public CompletionStage<T> whenCompleteAsync
4773	>	(BiConsumer<? super T, ? super Throwable> action) {
4774	>	return cf.whenCompleteAsync(action); }
4775	>	public CompletionStage<T> whenCompleteAsync
4776	>	(BiConsumer<? super T, ? super Throwable> action,
4777	>	Executor executor) {
4778	>	return cf.whenCompleteAsync(action, executor); }
4779	>	public CompletionStage<T> exceptionally
4780	>	(Function<Throwable, ? extends T> fn) {
4781	>	return cf.exceptionally(fn); }
4782	>	}
4783	>
4784	>	/**
4785	>	* default-implemented exceptionallyAsync action completes with
4786	>	* function value on source exception
4787	>	*/
4788	>	public void testDefaulExceptionallyAsync_exceptionalCompletion() {
4789	>	for (boolean createIncomplete : new boolean[] { true, false })
4790	>	for (Integer v1 : new Integer[] { 1, null })
4791	>	{
4792	>	final AtomicInteger a = new AtomicInteger(0);
4793	>	final CFException ex = new CFException();
4794	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4795	>	final DelegatedCompletionStage<Integer> d =
4796	>	new DelegatedCompletionStage<Integer>(f);
4797	>	if (!createIncomplete) f.completeExceptionally(ex);
4798	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4799	>	((Throwable t) -> {
4800	>	threadAssertSame(t, ex);
4801	>	a.getAndIncrement();
4802	>	return v1;
4803	>	});
4804	>	if (createIncomplete) f.completeExceptionally(ex);
4805	>
4806	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4807	>	assertEquals(1, a.get());
4808	>	}}
4809	>
4810	>	/**
4811	>	* Under default implementation, if an "exceptionally action"
4812	>	* throws an exception, it completes exceptionally with that
4813	>	* exception
4814	>	*/
4815	>	public void testDefaulExceptionallyAsync_exceptionalCompletionActionFailed() {
4816	>	for (boolean createIncomplete : new boolean[] { true, false })
4817	>	{
4818	>	final AtomicInteger a = new AtomicInteger(0);
4819	>	final CFException ex1 = new CFException();
4820	>	final CFException ex2 = new CFException();
4821	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4822	>	final DelegatedCompletionStage<Integer> d =
4823	>	new DelegatedCompletionStage<Integer>(f);
4824	>	if (!createIncomplete) f.completeExceptionally(ex1);
4825	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4826	>	((Throwable t) -> {
4827	>	threadAssertSame(t, ex1);
4828	>	a.getAndIncrement();
4829	>	throw ex2;
4830	>	});
4831	>	if (createIncomplete) f.completeExceptionally(ex1);
4832	>
4833	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4834	>	checkCompletedExceptionally(f, ex1);
4835	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4836	>	assertEquals(1, a.get());
4837	>	}}
4838
4839		/**
4840	<	* runAfterEitherAsync result completes exceptionally after exceptional
4840	>	* default exceptionallyCompose result completes normally after normal
4841		* completion of source
4842		*/
4843	<	public void testRunAfterEitherAsync2E() {
4844	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4845	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4846	<	Noop r = new Noop();
4847	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4848	<	f.completeExceptionally(new CFException());
4849	<	checkCompletedWithWrappedCFException(g);
4850	<
4851	<	r = new Noop();
4852	<	f = new CompletableFuture<Integer>();
4853	<	f2 = new CompletableFuture<Integer>();
4854	<	f2.completeExceptionally(new CFException());
4855	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4856	<	f.complete(one);
4857	<	checkCompletedWithWrappedCFException(g);
4858	<	}
4859	<
4860	<	/**
4861	<	* runAfterEitherAsync result completes exceptionally if action does
4862	<	*/
4863	<	public void testRunAfterEitherAsync3E() {
4864	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4865	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4866	<	FailingNoop r = new FailingNoop();
4867	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4868	<	f.complete(one);
4869	<	checkCompletedWithWrappedCFException(g);
4870	<	}
4871	<
4872	<	/**
4873	<	* runAfterEitherAsync result completes exceptionally if either
4874	<	* source cancelled
4875	<	*/
4876	<	public void testRunAfterEitherAsync4E() {
4877	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4878	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4879	<	Noop r = new Noop();
4880	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4881	<	assertTrue(f.cancel(true));
4882	<	checkCompletedWithWrappedCancellationException(g);
4883	<
4884	<	r = new Noop();
4885	<	f = new CompletableFuture<Integer>();
4886	<	f2 = new CompletableFuture<Integer>();
4887	<	assertTrue(f2.cancel(true));
4888	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4889	<	checkCompletedWithWrappedCancellationException(g);
4890	<	}
4843	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4844	>	for (boolean createIncomplete : new boolean[] { true, false })
4845	>	for (Integer v1 : new Integer[] { 1, null })
4846	>	{
4847	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4848	>	final ExceptionalCompletableFutureFunction r =
4849	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4850	>	final DelegatedCompletionStage<Integer> d =
4851	>	new DelegatedCompletionStage<Integer>(f);
4852	>	if (!createIncomplete) assertTrue(f.complete(v1));
4853	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4854	>	if (createIncomplete) assertTrue(f.complete(v1));
4855	>
4856	>	checkCompletedNormally(f, v1);
4857	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4858	>	r.assertNotInvoked();
4859	>	}}
4860	>
4861	>	/**
4862	>	* default-implemented exceptionallyCompose result completes
4863	>	* normally after exceptional completion of source
4864	>	*/
4865	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4866	>	for (boolean createIncomplete : new boolean[] { true, false })
4867	>	{
4868	>	final CFException ex = new CFException();
4869	>	final ExceptionalCompletableFutureFunction r =
4870	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4871	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4872	>	final DelegatedCompletionStage<Integer> d =
4873	>	new DelegatedCompletionStage<Integer>(f);
4874	>	if (!createIncomplete) f.completeExceptionally(ex);
4875	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4876	>	if (createIncomplete) f.completeExceptionally(ex);
4877	>
4878	>	checkCompletedExceptionally(f, ex);
4879	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4880	>	r.assertInvoked();
4881	>	}}
4882	>
4883	>	/**
4884	>	* default-implemented exceptionallyCompose completes
4885	>	* exceptionally on exception if action does
4886	>	*/
4887	>	public void testDefaultExceptionallyCompose_actionFailed() {
4888	>	for (boolean createIncomplete : new boolean[] { true, false })
4889	>	for (Integer v1 : new Integer[] { 1, null })
4890	>	{
4891	>	final CFException ex = new CFException();
4892	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4893	>	final FailingExceptionalCompletableFutureFunction r
4894	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4895	>	final DelegatedCompletionStage<Integer> d =
4896	>	new DelegatedCompletionStage<Integer>(f);
4897	>	if (!createIncomplete) f.completeExceptionally(ex);
4898	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4899	>	if (createIncomplete) f.completeExceptionally(ex);
4900	>
4901	>	checkCompletedExceptionally(f, ex);
4902	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4903	>	r.assertInvoked();
4904	>	}}
4905
4906		/**
4907	<	* thenComposeAsync result completes normally after normal
4907	>	* default exceptionallyComposeAsync result completes normally after normal
4908		* completion of source
4909		*/
4910	<	public void testThenComposeAsyncE() {
4911	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4912	<	CompletableFutureInc r = new CompletableFutureInc();
4913	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4914	<	f.complete(one);
4915	<	checkCompletedNormally(g, two);
4916	<	}
4910	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4911	>	for (boolean createIncomplete : new boolean[] { true, false })
4912	>	for (Integer v1 : new Integer[] { 1, null })
4913	>	{
4914	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4915	>	final ExceptionalCompletableFutureFunction r =
4916	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4917	>	final DelegatedCompletionStage<Integer> d =
4918	>	new DelegatedCompletionStage<Integer>(f);
4919	>	if (!createIncomplete) assertTrue(f.complete(v1));
4920	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4921	>	if (createIncomplete) assertTrue(f.complete(v1));
4922	>
4923	>	checkCompletedNormally(f, v1);
4924	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4925	>	r.assertNotInvoked();
4926	>	}}
4927	>
4928	>	/**
4929	>	* default-implemented exceptionallyComposeAsync result completes
4930	>	* normally after exceptional completion of source
4931	>	*/
4932	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4933	>	for (boolean createIncomplete : new boolean[] { true, false })
4934	>	{
4935	>	final CFException ex = new CFException();
4936	>	final ExceptionalCompletableFutureFunction r =
4937	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4938	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4939	>	final DelegatedCompletionStage<Integer> d =
4940	>	new DelegatedCompletionStage<Integer>(f);
4941	>	if (!createIncomplete) f.completeExceptionally(ex);
4942	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4943	>	if (createIncomplete) f.completeExceptionally(ex);
4944	>
4945	>	checkCompletedExceptionally(f, ex);
4946	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4947	>	r.assertInvoked();
4948	>	}}
4949	>
4950	>	/**
4951	>	* default-implemented exceptionallyComposeAsync completes
4952	>	* exceptionally on exception if action does
4953	>	*/
4954	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
4955	>	for (boolean createIncomplete : new boolean[] { true, false })
4956	>	for (Integer v1 : new Integer[] { 1, null })
4957	>	{
4958	>	final CFException ex = new CFException();
4959	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4960	>	final FailingExceptionalCompletableFutureFunction r
4961	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4962	>	final DelegatedCompletionStage<Integer> d =
4963	>	new DelegatedCompletionStage<Integer>(f);
4964	>	if (!createIncomplete) f.completeExceptionally(ex);
4965	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4966	>	if (createIncomplete) f.completeExceptionally(ex);
4967	>
4968	>	checkCompletedExceptionally(f, ex);
4969	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4970	>	r.assertInvoked();
4971	>	}}
4972
2302	–	/**
2303	–	* thenComposeAsync result completes exceptionally after
2304	–	* exceptional completion of source
2305	–	*/
2306	–	public void testThenComposeAsync2E() {
2307	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2308	–	CompletableFutureInc r = new CompletableFutureInc();
2309	–	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2310	–	f.completeExceptionally(new CFException());
2311	–	checkCompletedWithWrappedCFException(g);
2312	–	}
2313	–
2314	–	/**
2315	–	* thenComposeAsync result completes exceptionally if action does
2316	–	*/
2317	–	public void testThenComposeAsync3E() {
2318	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2319	–	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2320	–	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2321	–	f.complete(one);
2322	–	checkCompletedWithWrappedCFException(g);
2323	–	}
2324	–
2325	–	/**
2326	–	* thenComposeAsync result completes exceptionally if source cancelled
2327	–	*/
2328	–	public void testThenComposeAsync4E() {
2329	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2330	–	CompletableFutureInc r = new CompletableFutureInc();
2331	–	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2332	–	assertTrue(f.cancel(true));
2333	–	checkCompletedWithWrappedCancellationException(g);
2334	–	}
2335	–
2336	–	// other static methods
2337	–
2338	–	/**
2339	–	* allOf(no component futures) returns a future completed normally
2340	–	* with the value null
2341	–	*/
2342	–	public void testAllOf_empty() throws Exception {
2343	–	CompletableFuture<?> f = CompletableFuture.allOf();
2344	–	checkCompletedNormally(f, null);
2345	–	}
2346	–
2347	–	/**
2348	–	* allOf returns a future completed when all components complete
2349	–	*/
2350	–	public void testAllOf() throws Exception {
2351	–	for (int k = 1; k < 20; ++k) {
2352	–	CompletableFuture[] fs = new CompletableFuture[k];
2353	–	for (int i = 0; i < k; ++i)
2354	–	fs[i] = new CompletableFuture<Integer>();
2355	–	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2356	–	for (int i = 0; i < k; ++i) {
2357	–	checkIncomplete(f);
2358	–	fs[i].complete(one);
2359	–	}
2360	–	checkCompletedNormally(f, null);
2361	–	}
2362	–	}
2363	–
2364	–	/**
2365	–	* anyOf(no component futures) returns an incomplete future
2366	–	*/
2367	–	public void testAnyOf_empty() throws Exception {
2368	–	CompletableFuture<?> f = CompletableFuture.anyOf();
2369	–	checkIncomplete(f);
2370	–	}
2371	–
2372	–	/**
2373	–	* allOf returns a future completed when any components complete
2374	–	*/
2375	–	public void testAnyOf() throws Exception {
2376	–	for (int k = 1; k < 20; ++k) {
2377	–	CompletableFuture[] fs = new CompletableFuture[k];
2378	–	for (int i = 0; i < k; ++i)
2379	–	fs[i] = new CompletableFuture<Integer>();
2380	–	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2381	–	checkIncomplete(f);
2382	–	for (int i = 0; i < k; ++i) {
2383	–	fs[i].complete(one);
2384	–	checkCompletedNormally(f, one);
2385	–	}
2386	–	}
2387	–	}
4973
4974		/**
4975	<	* Completion methods throw NullPointerException with null arguments
4975	>	* default exceptionallyComposeAsync result completes normally after normal
4976	>	* completion of source
4977		*/
4978	<	public void testNPE() {
4979	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4980	<	CompletableFuture<Integer> g = new CompletableFuture<Integer>();
4981	<	CompletableFuture h;
4982	<	try { h = f.thenApply(null); } catch (NullPointerException ok) {}
4983	<	try { h = f.thenAccept(null); } catch (NullPointerException ok) {}
4984	<	try { h = f.thenRun(null); } catch (NullPointerException ok) {}
4985	<	try { h = f.thenCombine(g, null); } catch (NullPointerException ok) {}
4986	<	try { h = f.thenCombine(null, null); } catch (NullPointerException ok) {}
4987	<	try { h = f.applyToEither(g, null); } catch (NullPointerException ok) {}
4988	<	try { h = f.applyToEither(null, null); } catch (NullPointerException ok) {}
4989	<	try { h = f.thenAcceptBoth(g, null); } catch (NullPointerException ok) {}
4990	<	try { h = f.thenAcceptBoth(null, null); } catch (NullPointerException ok) {}
4991	<	try { h = f.runAfterEither(g, null); } catch (NullPointerException ok) {}
4992	<	try { h = f.runAfterEither(null, null); } catch (NullPointerException ok) {}
4993	<	try { h = f.runAfterBoth(g, null); } catch (NullPointerException ok) {}
4994	<	try { h = f.runAfterBoth(null, null); } catch (NullPointerException ok) {}
4995	<	try { h = f.exceptionally(null); } catch (NullPointerException ok) {}
4996	<	try { h = f.handle(null); } catch (NullPointerException ok) {}
4997	<	try { h = f.thenCompose(null); } catch (NullPointerException ok) {}
4998	<
4999	<	try { h = f.thenApplyAsync(null); } catch (NullPointerException ok) {}
5000	<	try { h = f.thenAcceptAsync(null); } catch (NullPointerException ok) {}
5001	<	try { h = f.thenRunAsync(null); } catch (NullPointerException ok) {}
5002	<	try { h = f.thenCombineAsync(g, null); } catch (NullPointerException ok) {}
5003	<	try { h = f.thenCombineAsync(null, null); } catch (NullPointerException ok) {}
5004	<	try { h = f.applyToEitherAsync(g, null); } catch (NullPointerException ok) {}
5005	<	try { h = f.applyToEitherAsync(null, null); } catch (NullPointerException ok) {}
5006	<	try { h = f.thenAcceptBothAsync(g, null); } catch (NullPointerException ok) {}
5007	<	try { h = f.thenAcceptBothAsync(null, null); } catch (NullPointerException ok) {}
5008	<	try { h = f.runAfterEitherAsync(g, null); } catch (NullPointerException ok) {}
5009	<	try { h = f.runAfterEitherAsync(null, null); } catch (NullPointerException ok) {}
5010	<	try { h = f.runAfterBothAsync(g, null); } catch (NullPointerException ok) {}
5011	<	try { h = f.runAfterBothAsync(null, null); } catch (NullPointerException ok) {}
5012	<
5013	<	}
5014	<
4978	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
4979	>	for (boolean createIncomplete : new boolean[] { true, false })
4980	>	for (Integer v1 : new Integer[] { 1, null })
4981	>	{
4982	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4983	>	final ExceptionalCompletableFutureFunction r =
4984	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
4985	>	final DelegatedCompletionStage<Integer> d =
4986	>	new DelegatedCompletionStage<Integer>(f);
4987	>	if (!createIncomplete) assertTrue(f.complete(v1));
4988	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
4989	>	if (createIncomplete) assertTrue(f.complete(v1));
4990	>
4991	>	checkCompletedNormally(f, v1);
4992	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4993	>	r.assertNotInvoked();
4994	>	}}
4995	>
4996	>	/**
4997	>	* default-implemented exceptionallyComposeAsync result completes
4998	>	* normally after exceptional completion of source
4999	>	*/
5000	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5001	>	for (boolean createIncomplete : new boolean[] { true, false })
5002	>	{
5003	>	final CFException ex = new CFException();
5004	>	final ExceptionalCompletableFutureFunction r =
5005	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5006	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5007	>	final DelegatedCompletionStage<Integer> d =
5008	>	new DelegatedCompletionStage<Integer>(f);
5009	>	if (!createIncomplete) f.completeExceptionally(ex);
5010	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5011	>	if (createIncomplete) f.completeExceptionally(ex);
5012	>
5013	>	checkCompletedExceptionally(f, ex);
5014	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5015	>	r.assertInvoked();
5016	>	}}
5017	>
5018	>	/**
5019	>	* default-implemented exceptionallyComposeAsync completes
5020	>	* exceptionally on exception if action does
5021	>	*/
5022	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5023	>	for (boolean createIncomplete : new boolean[] { true, false })
5024	>	for (Integer v1 : new Integer[] { 1, null })
5025	>	{
5026	>	final CFException ex = new CFException();
5027	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5028	>	final FailingExceptionalCompletableFutureFunction r
5029	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5030	>	final DelegatedCompletionStage<Integer> d =
5031	>	new DelegatedCompletionStage<Integer>(f);
5032	>	if (!createIncomplete) f.completeExceptionally(ex);
5033	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5034	>	if (createIncomplete) f.completeExceptionally(ex);
5035	>
5036	>	checkCompletedExceptionally(f, ex);
5037	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5038	>	r.assertInvoked();
5039	>	}}
5040
5041		}

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