ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.34 by jsr166, Sun Jun 1 21:17:05 2014 UTC vs.
Revision 1.198 by dl, Mon Sep 17 11:50:55 2018 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
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.get(LONG_DELAY_MS, MILLISECONDS));
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.join());
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	<	try {
64	<	assertEquals(value, f.getNow(null));
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());
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91		assertFalse(f.isCompletedExceptionally());
92	<	assertTrue(f.toString().contains("[Completed normally]"));
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
96	<	try {
97	<	f.get(LONG_DELAY_MS, MILLISECONDS);
98	<	shouldThrow();
99	<	} catch (ExecutionException success) {
100	<	assertTrue(success.getCause() instanceof CFException);
101	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
102	<	try {
83	<	f.join();
84	<	shouldThrow();
85	<	} catch (CompletionException success) {
86	<	assertTrue(success.getCause() instanceof CFException);
87	<	}
88	<	try {
89	<	f.getNow(null);
90	<	shouldThrow();
91	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
93	<	}
94	<	try {
95	<	f.get();
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	assertTrue(f.isDone());
101	<	assertFalse(f.isCancelled());
102	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
95	>	/**
96	>	* Returns the "raw" internal exceptional completion of f,
97	>	* without any additional wrapping with CompletionException.
98	>	*/
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103		}
104
105	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
105	>	void checkCompletedExceptionally(CompletableFuture<?> f,
106	>	boolean wrapped,
107	>	Consumer<Throwable> checker) {
108	>	Throwable cause = exceptionalCompletion(f);
109	>	if (wrapped) {
110	>	assertTrue(cause instanceof CompletionException);
111	>	cause = cause.getCause();
112	>	}
113	>	checker.accept(cause);
114	>
115	>	long startTime = System.nanoTime();
116		try {
117		f.get(LONG_DELAY_MS, MILLISECONDS);
118		shouldThrow();
119		} catch (ExecutionException success) {
120	<	assertSame(ex, success.getCause());
120	>	assertSame(cause, success.getCause());
121		} catch (Throwable fail) { threadUnexpectedException(fail); }
122	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
123	+
124		try {
125		f.join();
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.getNow(null);
133		shouldThrow();
134		} catch (CompletionException success) {
135	<	assertSame(ex, success.getCause());
136	<	}
135	>	assertSame(cause, success.getCause());
136	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	>
138		try {
139		f.get();
140		shouldThrow();
141		} catch (ExecutionException success) {
142	<	assertSame(ex, success.getCause());
142	>	assertSame(cause, success.getCause());
143		} catch (Throwable fail) { threadUnexpectedException(fail); }
144	<	assertTrue(f.isDone());
144	>
145		assertFalse(f.isCancelled());
146	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
146	>	assertTrue(f.isDone());
147	>	assertTrue(f.isCompletedExceptionally());
148	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
149	>	}
150	>
151	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152	>	checkCompletedExceptionally(f, true,
153	>	t -> assertTrue(t instanceof CFException));
154	>	}
155	>
156	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
157	>	checkCompletedExceptionally(f, true,
158	>	t -> assertTrue(t instanceof CancellationException));
159	>	}
160	>
161	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
162	>	checkCompletedExceptionally(f, false,
163	>	t -> assertTrue(t instanceof TimeoutException));
164	>	}
165	>
166	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
167	>	Throwable ex) {
168	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
169	>	}
170	>
171	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
172	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
173		}
174
175		void checkCancelled(CompletableFuture<?> f) {
176	+	long startTime = System.nanoTime();
177		try {
178		f.get(LONG_DELAY_MS, MILLISECONDS);
179		shouldThrow();
180		} catch (CancellationException success) {
181		} catch (Throwable fail) { threadUnexpectedException(fail); }
182	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
183	+
184		try {
185		f.join();
186		shouldThrow();
#	Line 152 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
155	–	assertTrue(f.isDone());
156	–	assertTrue(f.isCompletedExceptionally());
157	–	assertTrue(f.isCancelled());
158	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
159	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
163	<	f.get(LONG_DELAY_MS, MILLISECONDS);
164	<	shouldThrow();
165	<	} catch (ExecutionException success) {
166	<	assertTrue(success.getCause() instanceof CancellationException);
167	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
168	<	try {
169	<	f.join();
170	<	shouldThrow();
171	<	} catch (CompletionException success) {
172	<	assertTrue(success.getCause() instanceof CancellationException);
173	<	}
174	<	try {
175	<	f.getNow(null);
176	<	shouldThrow();
177	<	} catch (CompletionException success) {
178	<	assertTrue(success.getCause() instanceof CancellationException);
179	<	}
180	<	try {
181	<	f.get();
182	<	shouldThrow();
183	<	} catch (ExecutionException success) {
184	<	assertTrue(success.getCause() instanceof CancellationException);
185	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
201		assertTrue(f.isCompletedExceptionally());
202	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
202	>	assertTrue(f.isCancelled());
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 203 | Line 217 | public class CompletableFutureTest exten
217		* isCancelled, join, get, and getNow
218		*/
219		public void testComplete() {
220	+	for (Integer v1 : new Integer[] { 1, null })
221	+	{
222		CompletableFuture<Integer> f = new CompletableFuture<>();
223		checkIncomplete(f);
224	<	f.complete(one);
225	<	checkCompletedNormally(f, one);
226	<	}
224	>	assertTrue(f.complete(v1));
225	>	assertFalse(f.complete(v1));
226	>	checkCompletedNormally(f, v1);
227	>	}}
228
229		/**
230		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 232 | public class CompletableFutureTest exten
232		*/
233		public void testCompleteExceptionally() {
234		CompletableFuture<Integer> f = new CompletableFuture<>();
235	+	CFException ex = new CFException();
236		checkIncomplete(f);
237	<	f.completeExceptionally(new CFException());
238	<	checkCompletedWithWrappedCFException(f);
237	>	f.completeExceptionally(ex);
238	>	checkCompletedExceptionally(f, ex);
239		}
240
241		/**
#	Line 225 | Line 243 | public class CompletableFutureTest exten
243		* methods isDone, isCancelled, join, get, and getNow
244		*/
245		public void testCancel() {
246	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
247	+	{
248		CompletableFuture<Integer> f = new CompletableFuture<>();
249		checkIncomplete(f);
250	<	assertTrue(f.cancel(true));
250	>	assertTrue(f.cancel(mayInterruptIfRunning));
251	>	assertTrue(f.cancel(mayInterruptIfRunning));
252	>	assertTrue(f.cancel(!mayInterruptIfRunning));
253		checkCancelled(f);
254	<	}
254	>	}}
255
256		/**
257		* obtrudeValue forces completion with given value
#	Line 237 | Line 259 | public class CompletableFutureTest exten
259		public void testObtrudeValue() {
260		CompletableFuture<Integer> f = new CompletableFuture<>();
261		checkIncomplete(f);
262	<	f.complete(one);
262	>	assertTrue(f.complete(one));
263		checkCompletedNormally(f, one);
264		f.obtrudeValue(three);
265		checkCompletedNormally(f, three);
#	Line 246 | Line 268 | public class CompletableFutureTest exten
268		f = new CompletableFuture<>();
269		f.obtrudeValue(three);
270		checkCompletedNormally(f, three);
271	+	f.obtrudeValue(null);
272	+	checkCompletedNormally(f, null);
273		f = new CompletableFuture<>();
274		f.completeExceptionally(new CFException());
275		f.obtrudeValue(four);
#	Line 256 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	CompletableFuture<Integer> f = new CompletableFuture<>();
284	<	checkIncomplete(f);
285	<	f.complete(one);
286	<	checkCompletedNormally(f, one);
287	<	f.obtrudeException(new CFException());
264	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288		f = new CompletableFuture<>();
289	<	f.obtrudeException(new CFException());
290	<	checkCompletedWithWrappedCFException(f);
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295	>	f = new CompletableFuture<>();
296	>	for (int i = 0; i < 2; i++) {
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	}
300	>
301		f = new CompletableFuture<>();
302		f.completeExceptionally(new CFException());
303	<	f.obtrudeValue(four);
304	<	checkCompletedNormally(f, four);
305	<	f.obtrudeException(new CFException());
306	<	checkCompletedWithWrappedCFException(f);
307	<	}
303	>	f.obtrudeValue(v1);
304	>	checkCompletedNormally(f, v1);
305	>	f.obtrudeException(ex = new CFException());
306	>	checkCompletedExceptionally(f, ex);
307	>	f.completeExceptionally(new CFException());
308	>	checkCompletedExceptionally(f, ex);
309	>	assertFalse(f.complete(v1));
310	>	checkCompletedExceptionally(f, ex);
311	>	}}
312
313		/**
314		* getNumberOfDependents returns number of dependent tasks
315		*/
316		public void testGetNumberOfDependents() {
317	+	for (ExecutionMode m : ExecutionMode.values())
318	+	for (Integer v1 : new Integer[] { 1, null })
319	+	{
320		CompletableFuture<Integer> f = new CompletableFuture<>();
321	<	assertEquals(f.getNumberOfDependents(), 0);
322	<	CompletableFuture g = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 1);
324	<	assertEquals(g.getNumberOfDependents(), 0);
325	<	CompletableFuture h = f.thenRun(new Noop());
326	<	assertEquals(f.getNumberOfDependents(), 2);
327	<	f.complete(1);
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	<	}
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 315 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	// Choose non-commutative actions for better coverage
385	<
386	<	static final Supplier<Integer> supplyOne =
387	<	() -> Integer.valueOf(1);
388	<	static final Function<Integer, Integer> inc =
389	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
390	<	static final BiFunction<Integer, Integer, Integer> subtract =
325	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
326	<	static final class IncAction implements Consumer<Integer> {
327	<	int value;
328	<	public void accept(Integer x) { value = x.intValue() + 1; }
329	<	}
330	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
331	<	int value;
332	<	public void accept(Integer x, Integer y) {
333	<	value = x.intValue() - y.intValue();
384	>	abstract static class CheckedAction {
385	>	int invocationCount = 0;
386	>	final ExecutionMode m;
387	>	CheckedAction(ExecutionMode m) { this.m = m; }
388	>	void invoked() {
389	>	m.checkExecutionMode();
390	>	assertEquals(0, invocationCount++);
391		}
392	<	}
393	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
339	<	}
340	<
341	<	static final class FailingSupplier implements Supplier<Integer> {
342	<	boolean ran;
343	<	public Integer get() { ran = true; throw new CFException(); }
344	<	}
345	<	static final class FailingConsumer implements Consumer<Integer> {
346	<	boolean ran;
347	<	public void accept(Integer x) { ran = true; throw new CFException(); }
348	<	}
349	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
350	<	boolean ran;
351	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
352	<	}
353	<	static final class FailingFunction implements Function<Integer, Integer> {
354	<	boolean ran;
355	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
356	<	}
357	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
358	<	boolean ran;
359	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
360	<	}
361	<	static final class FailingNoop implements Runnable {
362	<	boolean ran;
363	<	public void run() { ran = true; throw new CFException(); }
392	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
393	>	void assertInvoked() { assertEquals(1, invocationCount); }
394		}
395
396	<	static final class CompletableFutureInc
397	<	implements Function<Integer, CompletableFuture<Integer>> {
398	<	boolean ran;
399	<	public CompletableFuture<Integer> apply(Integer x) {
400	<	ran = true;
401	<	CompletableFuture<Integer> f = new CompletableFuture<>();
372	<	f.complete(Integer.valueOf(x.intValue() + 1));
373	<	return f;
396	>	abstract static class CheckedIntegerAction extends CheckedAction {
397	>	Integer value;
398	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
399	>	void assertValue(Integer expected) {
400	>	assertInvoked();
401	>	assertEquals(expected, value);
402		}
403		}
404
405	<	static final class FailingCompletableFutureFunction
406	<	implements Function<Integer, CompletableFuture<Integer>> {
407	<	boolean ran;
408	<	public CompletableFuture<Integer> apply(Integer x) {
409	<	ran = true; throw new CFException();
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	<	}
414	<
415	<	// Used for explicit executor tests
386	<	static final class ThreadExecutor implements Executor {
387	<	AtomicInteger count = new AtomicInteger(0);
388	<
389	<	public void execute(Runnable r) {
390	<	count.getAndIncrement();
391	<	new Thread(r).start();
413	>	public Integer get() {
414	>	invoked();
415	>	return value;
416		}
417		}
418
419	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
420	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
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 final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
425	<	boolean ran;
426	<	public Integer apply(Integer x, Throwable t) {
427	<	ran = true;
428	<	return (t == null) ? two : three;
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	<	/**
435	<	* exceptionally action completes with function value on source
436	<	* exception; otherwise with source value
437	<	*/
438	<	public void testExceptionally() {
439	<	CompletableFuture<Integer> f = new CompletableFuture<>();
440	<	ExceptionToInteger r = new ExceptionToInteger();
441	<	CompletableFuture<Integer> g = f.exceptionally(r);
415	<	f.completeExceptionally(new CFException());
416	<	checkCompletedNormally(g, three);
417	<
418	<	f = new CompletableFuture<>();
419	<	r = new ExceptionToInteger();
420	<	g = f.exceptionally(r);
421	<	f.complete(one);
422	<	checkCompletedNormally(g, one);
423	<	}
424	<
425	<	/**
426	<	* handle action completes normally with function value on either
427	<	* normal or exceptional completion of source
428	<	*/
429	<	public void testHandle() {
430	<	CompletableFuture<Integer> f, g;
431	<	IntegerHandler r;
432	<
433	<	f = new CompletableFuture<>();
434	<	f.completeExceptionally(new CFException());
435	<	g = f.handle(r = new IntegerHandler());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(g, three);
438	<
439	<	f = new CompletableFuture<>();
440	<	g = f.handle(r = new IntegerHandler());
441	<	assertFalse(r.ran);
442	<	f.completeExceptionally(new CFException());
443	<	checkCompletedNormally(g, three);
444	<	assertTrue(r.ran);
445	<
446	<	f = new CompletableFuture<>();
447	<	f.complete(one);
448	<	g = f.handle(r = new IntegerHandler());
449	<	assertTrue(r.ran);
450	<	checkCompletedNormally(g, two);
451	<
452	<	f = new CompletableFuture<>();
453	<	g = f.handle(r = new IntegerHandler());
454	<	assertFalse(r.ran);
455	<	f.complete(one);
456	<	assertTrue(r.ran);
457	<	checkCompletedNormally(g, two);
458	<	}
459	<
460	<	/**
461	<	* runAsync completes after running Runnable
462	<	*/
463	<	public void testRunAsync() {
464	<	Noop r = new Noop();
465	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
466	<	assertNull(f.join());
467	<	assertTrue(r.ran);
468	<	checkCompletedNormally(f, null);
469	<	}
470	<
471	<	/**
472	<	* runAsync with executor completes after running Runnable
473	<	*/
474	<	public void testRunAsync2() {
475	<	Noop r = new Noop();
476	<	ThreadExecutor exec = new ThreadExecutor();
477	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
478	<	assertNull(f.join());
479	<	assertTrue(r.ran);
480	<	checkCompletedNormally(f, null);
481	<	assertEquals(1, exec.count.get());
482	<	}
483	<
484	<	/**
485	<	* failing runAsync completes exceptionally after running Runnable
486	<	*/
487	<	public void testRunAsync3() {
488	<	FailingNoop r = new FailingNoop();
489	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
490	<	checkCompletedWithWrappedCFException(f);
491	<	assertTrue(r.ran);
492	<	}
493	<
494	<	/**
495	<	* supplyAsync completes with result of supplier
496	<	*/
497	<	public void testSupplyAsync() {
498	<	CompletableFuture<Integer> f;
499	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
502	<	}
503	<
504	<	/**
505	<	* supplyAsync with executor completes with result of supplier
506	<	*/
507	<	public void testSupplyAsync2() {
508	<	CompletableFuture<Integer> f;
509	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
510	<	assertEquals(f.join(), one);
511	<	checkCompletedNormally(f, one);
512	<	}
513	<
514	<	/**
515	<	* Failing supplyAsync completes exceptionally
516	<	*/
517	<	public void testSupplyAsync3() {
518	<	FailingSupplier r = new FailingSupplier();
519	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
520	<	checkCompletedWithWrappedCFException(f);
521	<	assertTrue(r.ran);
522	<	}
523	<
524	<	// seq completion methods
525	<
526	<	/**
527	<	* thenRun result completes normally after normal completion of source
528	<	*/
529	<	public void testThenRun() {
530	<	CompletableFuture<Integer> f;
531	<	CompletableFuture<Void> g;
532	<	Noop r;
533	<
534	<	f = new CompletableFuture<>();
535	<	g = f.thenRun(r = new Noop());
536	<	f.complete(null);
537	<	checkCompletedNormally(g, null);
538	<	assertTrue(r.ran);
539	<
540	<	f = new CompletableFuture<>();
541	<	f.complete(null);
542	<	g = f.thenRun(r = new Noop());
543	<	checkCompletedNormally(g, null);
544	<	assertTrue(r.ran);
545	<	}
546	<
547	<	/**
548	<	* thenRun result completes exceptionally after exceptional
549	<	* completion of source
550	<	*/
551	<	public void testThenRun2() {
552	<	CompletableFuture<Integer> f;
553	<	CompletableFuture<Void> g;
554	<	Noop r;
555	<
556	<	f = new CompletableFuture<>();
557	<	g = f.thenRun(r = new Noop());
558	<	f.completeExceptionally(new CFException());
559	<	checkCompletedWithWrappedCFException(g);
560	<	assertFalse(r.ran);
561	<
562	<	f = new CompletableFuture<>();
563	<	f.completeExceptionally(new CFException());
564	<	g = f.thenRun(r = new Noop());
565	<	checkCompletedWithWrappedCFException(g);
566	<	assertFalse(r.ran);
567	<	}
568	<
569	<	/**
570	<	* thenRun result completes exceptionally if action does
571	<	*/
572	<	public void testThenRun3() {
573	<	CompletableFuture<Integer> f;
574	<	CompletableFuture<Void> g;
575	<	FailingNoop r;
576	<
577	<	f = new CompletableFuture<>();
578	<	g = f.thenRun(r = new FailingNoop());
579	<	f.complete(null);
580	<	checkCompletedWithWrappedCFException(g);
581	<
582	<	f = new CompletableFuture<>();
583	<	f.complete(null);
584	<	g = f.thenRun(r = new FailingNoop());
585	<	checkCompletedWithWrappedCFException(g);
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	<	/**
445	<	* thenRun result completes exceptionally if source cancelled
446	<	*/
447	<	public void testThenRun4() {
448	<	CompletableFuture<Integer> f;
449	<	CompletableFuture<Void> g;
594	<	Noop r;
595	<
596	<	f = new CompletableFuture<>();
597	<	g = f.thenRun(r = new Noop());
598	<	assertTrue(f.cancel(true));
599	<	checkCompletedWithWrappedCancellationException(g);
600	<
601	<	f = new CompletableFuture<>();
602	<	assertTrue(f.cancel(true));
603	<	g = f.thenRun(r = new Noop());
604	<	checkCompletedWithWrappedCancellationException(g);
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	<	/**
453	<	* thenApply result completes normally after normal completion of source
454	<	*/
455	<	public void testThenApply() {
456	<	CompletableFuture<Integer> f = new CompletableFuture<>();
457	<	CompletableFuture<Integer> g = f.thenApply(inc);
458	<	f.complete(one);
459	<	checkCompletedNormally(g, two);
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	>	invoked();
458	>	value = subtract(x, y);
459	>	}
460		}
461
462	<	/**
463	<	* thenApply result completes exceptionally after exceptional
464	<	* completion of source
465	<	*/
466	<	public void testThenApply2() {
467	<	CompletableFuture<Integer> f = new CompletableFuture<>();
468	<	CompletableFuture<Integer> g = f.thenApply(inc);
469	<	f.completeExceptionally(new CFException());
625	<	checkCompletedWithWrappedCFException(g);
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	<	/**
473	<	* thenApply result completes exceptionally if action does
474	<	*/
475	<	public void testThenApply3() {
476	<	CompletableFuture<Integer> f = new CompletableFuture<>();
633	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
634	<	f.complete(one);
635	<	checkCompletedWithWrappedCFException(g);
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474	>	public void run() {
475	>	invoked();
476	>	}
477		}
478
479	<	/**
480	<	* thenApply result completes exceptionally if source cancelled
481	<	*/
482	<	public void testThenApply4() {
483	<	CompletableFuture<Integer> f = new CompletableFuture<>();
484	<	CompletableFuture<Integer> g = f.thenApply(inc);
485	<	assertTrue(f.cancel(true));
486	<	checkCompletedWithWrappedCancellationException(g);
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
490	<	/**
491	<	* thenAccept result completes normally after normal completion of source
492	<	*/
493	<	public void testThenAccept() {
494	<	CompletableFuture<Integer> f = new CompletableFuture<>();
495	<	IncAction r = new IncAction();
496	<	CompletableFuture<Void> g = f.thenAccept(r);
497	<	f.complete(one);
498	<	checkCompletedNormally(g, null);
499	<	assertEquals(r.value, 2);
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	<	/**
503	<	* thenAccept result completes exceptionally after exceptional
504	<	* completion of source
505	<	*/
506	<	public void testThenAccept2() {
507	<	CompletableFuture<Integer> f = new CompletableFuture<>();
508	<	IncAction r = new IncAction();
509	<	CompletableFuture<Void> g = f.thenAccept(r);
510	<	f.completeExceptionally(new CFException());
511	<	checkCompletedWithWrappedCFException(g);
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
514	<	/**
515	<	* thenAccept result completes exceptionally if action does
516	<	*/
517	<	public void testThenAccept3() {
518	<	CompletableFuture<Integer> f = new CompletableFuture<>();
519	<	FailingConsumer r = new FailingConsumer();
520	<	CompletableFuture<Void> g = f.thenAccept(r);
521	<	f.complete(one);
522	<	checkCompletedWithWrappedCFException(g);
523	<	assertTrue(r.ran);
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
526	<	/**
527	<	* thenAccept result completes exceptionally if source cancelled
528	<	*/
529	<	public void testThenAccept4() {
530	<	CompletableFuture<Integer> f = new CompletableFuture<>();
531	<	IncAction r = new IncAction();
532	<	CompletableFuture<Void> g = f.thenAccept(r);
533	<	assertTrue(f.cancel(true));
534	<	checkCompletedWithWrappedCancellationException(g);
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
538	<	/**
539	<	* thenCombine result completes normally after normal completion
540	<	* of sources
541	<	*/
542	<	public void testThenCombine() {
543	<	CompletableFuture<Integer> f, g, h;
544	<
702	<	f = new CompletableFuture<>();
703	<	g = new CompletableFuture<>();
704	<	h = f.thenCombine(g, subtract);
705	<	f.complete(3);
706	<	checkIncomplete(h);
707	<	g.complete(1);
708	<	checkCompletedNormally(h, 2);
709	<
710	<	f = new CompletableFuture<>();
711	<	g = new CompletableFuture<>();
712	<	h = f.thenCombine(g, subtract);
713	<	g.complete(1);
714	<	checkIncomplete(h);
715	<	f.complete(3);
716	<	checkCompletedNormally(h, 2);
717	<
718	<	f = new CompletableFuture<>();
719	<	g = new CompletableFuture<>();
720	<	g.complete(1);
721	<	f.complete(3);
722	<	h = f.thenCombine(g, subtract);
723	<	checkCompletedNormally(h, 2);
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	<	/**
548	<	* thenCombine result completes exceptionally after exceptional
549	<	* completion of either source
550	<	*/
551	<	public void testThenCombine2() {
552	<	CompletableFuture<Integer> f, g, h;
553	<
554	<	f = new CompletableFuture<>();
555	<	g = new CompletableFuture<>();
556	<	h = f.thenCombine(g, subtract);
557	<	f.completeExceptionally(new CFException());
737	<	checkIncomplete(h);
738	<	g.complete(1);
739	<	checkCompletedWithWrappedCFException(h);
740	<
741	<	f = new CompletableFuture<>();
742	<	g = new CompletableFuture<>();
743	<	h = f.thenCombine(g, subtract);
744	<	g.completeExceptionally(new CFException());
745	<	checkIncomplete(h);
746	<	f.complete(3);
747	<	checkCompletedWithWrappedCFException(h);
748	<
749	<	f = new CompletableFuture<>();
750	<	g = new CompletableFuture<>();
751	<	f.complete(3);
752	<	g.completeExceptionally(new CFException());
753	<	h = f.thenCombine(g, subtract);
754	<	checkCompletedWithWrappedCFException(h);
755	<
756	<	f = new CompletableFuture<>();
757	<	g = new CompletableFuture<>();
758	<	f.completeExceptionally(new CFException());
759	<	g.complete(3);
760	<	h = f.thenCombine(g, subtract);
761	<	checkCompletedWithWrappedCFException(h);
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	>	invoked();
553	>	value = x;
554	>	CompletableFuture<Integer> f = new CompletableFuture<>();
555	>	assertTrue(f.complete(inc(x)));
556	>	return f;
557	>	}
558		}
559
560	<	/**
561	<	* thenCombine result completes exceptionally if action does
562	<	*/
563	<	public void testThenCombine3() {
564	<	CompletableFuture<Integer> f = new CompletableFuture<>();
565	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
566	<	FailingBiFunction r = new FailingBiFunction();
567	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
568	<	f.complete(one);
773	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.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	<	/**
572	<	* thenCombine result completes exceptionally if either source cancelled
573	<	*/
574	<	public void testThenCombine4() {
575	<	CompletableFuture<Integer> f, g, h;
576	<
577	<	f = new CompletableFuture<>();
578	<	g = new CompletableFuture<>();
579	<	h = f.thenCombine(g, subtract);
580	<	assertTrue(f.cancel(true));
790	<	checkIncomplete(h);
791	<	g.complete(1);
792	<	checkCompletedWithWrappedCancellationException(h);
793	<
794	<	f = new CompletableFuture<>();
795	<	g = new CompletableFuture<>();
796	<	h = f.thenCombine(g, subtract);
797	<	assertTrue(g.cancel(true));
798	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
801	<
802	<	f = new CompletableFuture<>();
803	<	g = new CompletableFuture<>();
804	<	assertTrue(f.cancel(true));
805	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
571	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
572	>	implements Function<Throwable, CompletionStage<Integer>> {
573	>	final Integer value = 3;
574	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
575	>	public CompletionStage<Integer> apply(Throwable x) {
576	>	invoked();
577	>	CompletableFuture<Integer> d = new CompletableFuture<Integer>();
578	>	d.complete(value);
579	>	return d;
580	>	}
581		}
582
583	<	/**
584	<	* thenAcceptBoth result completes normally after normal
585	<	* completion of sources
586	<	*/
587	<	public void testThenAcceptBoth() {
588	<	CompletableFuture<Integer> f, g;
589	<	CompletableFuture<Void> h;
590	<	SubtractAction r;
591	<
592	<	f = new CompletableFuture<>();
820	<	g = new CompletableFuture<>();
821	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
822	<	f.complete(3);
823	<	checkIncomplete(h);
824	<	g.complete(1);
825	<	checkCompletedNormally(h, null);
826	<	assertEquals(r.value, 2);
827	<
828	<	f = new CompletableFuture<>();
829	<	g = new CompletableFuture<>();
830	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
831	<	g.complete(1);
832	<	checkIncomplete(h);
833	<	f.complete(3);
834	<	checkCompletedNormally(h, null);
835	<	assertEquals(r.value, 2);
836	<
837	<	f = new CompletableFuture<>();
838	<	g = new CompletableFuture<>();
839	<	g.complete(1);
840	<	f.complete(3);
841	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
842	<	checkCompletedNormally(h, null);
843	<	assertEquals(r.value, 2);
583	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
584	>	implements Function<Integer, CompletableFuture<Integer>>
585	>	{
586	>	final CFException ex;
587	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
588	>	public CompletableFuture<Integer> apply(Integer x) {
589	>	invoked();
590	>	value = x;
591	>	throw ex;
592	>	}
593		}
594
595	<	/**
596	<	* thenAcceptBoth result completes exceptionally after exceptional
597	<	* completion of either source
598	<	*/
599	<	public void testThenAcceptBoth2() {
600	<	CompletableFuture<Integer> f, g;
601	<	CompletableFuture<Void> h;
853	<	SubtractAction r;
854	<
855	<	f = new CompletableFuture<>();
856	<	g = new CompletableFuture<>();
857	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
858	<	f.completeExceptionally(new CFException());
859	<	checkIncomplete(h);
860	<	g.complete(1);
861	<	checkCompletedWithWrappedCFException(h);
862	<
863	<	f = new CompletableFuture<>();
864	<	g = new CompletableFuture<>();
865	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
866	<	g.completeExceptionally(new CFException());
867	<	checkIncomplete(h);
868	<	f.complete(3);
869	<	checkCompletedWithWrappedCFException(h);
870	<
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	f.complete(3);
874	<	g.completeExceptionally(new CFException());
875	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
876	<	checkCompletedWithWrappedCFException(h);
877	<
878	<	f = new CompletableFuture<>();
879	<	g = new CompletableFuture<>();
880	<	f.completeExceptionally(new CFException());
881	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
595	>	static class CountingRejectingExecutor implements Executor {
596	>	final RejectedExecutionException ex = new RejectedExecutionException();
597	>	final AtomicInteger count = new AtomicInteger(0);
598	>	public void execute(Runnable r) {
599	>	count.getAndIncrement();
600	>	throw ex;
601	>	}
602		}
603
604	<	/**
605	<	* thenAcceptBoth result completes exceptionally if action does
606	<	*/
607	<	public void testThenAcceptBoth3() {
608	<	CompletableFuture<Integer> f, g;
609	<	CompletableFuture<Void> h;
610	<	FailingBiConsumer r;
893	<
894	<	f = new CompletableFuture<>();
895	<	g = new CompletableFuture<>();
896	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
897	<	f.complete(3);
898	<	checkIncomplete(h);
899	<	g.complete(1);
900	<	checkCompletedWithWrappedCFException(h);
604	>	// Used for explicit executor tests
605	>	static final class ThreadExecutor implements Executor {
606	>	final AtomicInteger count = new AtomicInteger(0);
607	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
608	>	static boolean startedCurrentThread() {
609	>	return Thread.currentThread().getThreadGroup() == tg;
610	>	}
611
612	<	f = new CompletableFuture<>();
613	<	g = new CompletableFuture<>();
614	<	f.complete(3);
615	<	g.complete(1);
906	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
907	<	checkCompletedWithWrappedCFException(h);
612	>	public void execute(Runnable r) {
613	>	count.getAndIncrement();
614	>	new Thread(tg, r).start();
615	>	}
616		}
617
618	<	/**
619	<	* thenAcceptBoth result completes exceptionally if either source cancelled
912	<	*/
913	<	public void testThenAcceptBoth4() {
914	<	CompletableFuture<Integer> f, g;
915	<	CompletableFuture<Void> h;
916	<	SubtractAction r;
917	<
918	<	f = new CompletableFuture<>();
919	<	g = new CompletableFuture<>();
920	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
921	<	assertTrue(f.cancel(true));
922	<	checkIncomplete(h);
923	<	g.complete(1);
924	<	checkCompletedWithWrappedCancellationException(h);
925	<
926	<	f = new CompletableFuture<>();
927	<	g = new CompletableFuture<>();
928	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
929	<	assertTrue(g.cancel(true));
930	<	checkIncomplete(h);
931	<	f.complete(3);
932	<	checkCompletedWithWrappedCancellationException(h);
933	<
934	<	f = new CompletableFuture<>();
935	<	g = new CompletableFuture<>();
936	<	f.complete(3);
937	<	assertTrue(g.cancel(true));
938	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
939	<	checkCompletedWithWrappedCancellationException(h);
940	<
941	<	f = new CompletableFuture<>();
942	<	g = new CompletableFuture<>();
943	<	assertTrue(f.cancel(true));
944	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
618	>	static final boolean defaultExecutorIsCommonPool
619	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
620
621		/**
622		* Permits the testing of parallel code for the 3 different
623	<	* execution modes without repeating all the testing code.
623	>	* execution modes without copy/pasting all the test methods.
624		*/
625		enum ExecutionMode {
626	<	DEFAULT {
626	>	SYNC {
627	>	public void checkExecutionMode() {
628	>	assertFalse(ThreadExecutor.startedCurrentThread());
629	>	assertNull(ForkJoinTask.getPool());
630	>	}
631	>	public CompletableFuture<Void> runAsync(Runnable a) {
632	>	throw new UnsupportedOperationException();
633	>	}
634	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
635	>	throw new UnsupportedOperationException();
636	>	}
637	>	public <T> CompletableFuture<Void> thenRun
638	>	(CompletableFuture<T> f, Runnable a) {
639	>	return f.thenRun(a);
640	>	}
641	>	public <T> CompletableFuture<Void> thenAccept
642	>	(CompletableFuture<T> f, Consumer<? super T> a) {
643	>	return f.thenAccept(a);
644	>	}
645	>	public <T,U> CompletableFuture<U> thenApply
646	>	(CompletableFuture<T> f, Function<? super T,U> a) {
647	>	return f.thenApply(a);
648	>	}
649	>	public <T,U> CompletableFuture<U> thenCompose
650	>	(CompletableFuture<T> f,
651	>	Function<? super T,? extends CompletionStage<U>> a) {
652	>	return f.thenCompose(a);
653	>	}
654	>	public <T,U> CompletableFuture<U> handle
655	>	(CompletableFuture<T> f,
656	>	BiFunction<? super T,Throwable,? extends U> a) {
657	>	return f.handle(a);
658	>	}
659	>	public <T> CompletableFuture<T> whenComplete
660	>	(CompletableFuture<T> f,
661	>	BiConsumer<? super T,? super Throwable> a) {
662	>	return f.whenComplete(a);
663	>	}
664		public <T,U> CompletableFuture<Void> runAfterBoth
665	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
666	<	return f.runAfterBoth(g, r);
665	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
666	>	return f.runAfterBoth(g, a);
667	>	}
668	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
669	>	(CompletableFuture<T> f,
670	>	CompletionStage<? extends U> g,
671	>	BiConsumer<? super T,? super U> a) {
672	>	return f.thenAcceptBoth(g, a);
673	>	}
674	>	public <T,U,V> CompletableFuture<V> thenCombine
675	>	(CompletableFuture<T> f,
676	>	CompletionStage<? extends U> g,
677	>	BiFunction<? super T,? super U,? extends V> a) {
678	>	return f.thenCombine(g, a);
679	>	}
680	>	public <T> CompletableFuture<Void> runAfterEither
681	>	(CompletableFuture<T> f,
682	>	CompletionStage<?> g,
683	>	java.lang.Runnable a) {
684	>	return f.runAfterEither(g, a);
685	>	}
686	>	public <T> CompletableFuture<Void> acceptEither
687	>	(CompletableFuture<T> f,
688	>	CompletionStage<? extends T> g,
689	>	Consumer<? super T> a) {
690	>	return f.acceptEither(g, a);
691	>	}
692	>	public <T,U> CompletableFuture<U> applyToEither
693	>	(CompletableFuture<T> f,
694	>	CompletionStage<? extends T> g,
695	>	Function<? super T,U> a) {
696	>	return f.applyToEither(g, a);
697	>	}
698	>	public <T> CompletableFuture<T> exceptionally
699	>	(CompletableFuture<T> f,
700	>	Function<Throwable, ? extends T> fn) {
701	>	return f.exceptionally(fn);
702	>	}
703	>	public <T> CompletableFuture<T> exceptionallyCompose
704	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
705	>	return f.exceptionallyCompose(fn);
706		}
707		},
708	<
709	<	DEFAULT_ASYNC {
708	>	ASYNC {
709	>	public void checkExecutionMode() {
710	>	assertEquals(defaultExecutorIsCommonPool,
711	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
712	>	}
713	>	public CompletableFuture<Void> runAsync(Runnable a) {
714	>	return CompletableFuture.runAsync(a);
715	>	}
716	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
717	>	return CompletableFuture.supplyAsync(a);
718	>	}
719	>	public <T> CompletableFuture<Void> thenRun
720	>	(CompletableFuture<T> f, Runnable a) {
721	>	return f.thenRunAsync(a);
722	>	}
723	>	public <T> CompletableFuture<Void> thenAccept
724	>	(CompletableFuture<T> f, Consumer<? super T> a) {
725	>	return f.thenAcceptAsync(a);
726	>	}
727	>	public <T,U> CompletableFuture<U> thenApply
728	>	(CompletableFuture<T> f, Function<? super T,U> a) {
729	>	return f.thenApplyAsync(a);
730	>	}
731	>	public <T,U> CompletableFuture<U> thenCompose
732	>	(CompletableFuture<T> f,
733	>	Function<? super T,? extends CompletionStage<U>> a) {
734	>	return f.thenComposeAsync(a);
735	>	}
736	>	public <T,U> CompletableFuture<U> handle
737	>	(CompletableFuture<T> f,
738	>	BiFunction<? super T,Throwable,? extends U> a) {
739	>	return f.handleAsync(a);
740	>	}
741	>	public <T> CompletableFuture<T> whenComplete
742	>	(CompletableFuture<T> f,
743	>	BiConsumer<? super T,? super Throwable> a) {
744	>	return f.whenCompleteAsync(a);
745	>	}
746		public <T,U> CompletableFuture<Void> runAfterBoth
747	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
748	<	return f.runAfterBothAsync(g, r);
747	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
748	>	return f.runAfterBothAsync(g, a);
749	>	}
750	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
751	>	(CompletableFuture<T> f,
752	>	CompletionStage<? extends U> g,
753	>	BiConsumer<? super T,? super U> a) {
754	>	return f.thenAcceptBothAsync(g, a);
755	>	}
756	>	public <T,U,V> CompletableFuture<V> thenCombine
757	>	(CompletableFuture<T> f,
758	>	CompletionStage<? extends U> g,
759	>	BiFunction<? super T,? super U,? extends V> a) {
760	>	return f.thenCombineAsync(g, a);
761		}
762	+	public <T> CompletableFuture<Void> runAfterEither
763	+	(CompletableFuture<T> f,
764	+	CompletionStage<?> g,
765	+	java.lang.Runnable a) {
766	+	return f.runAfterEitherAsync(g, a);
767	+	}
768	+	public <T> CompletableFuture<Void> acceptEither
769	+	(CompletableFuture<T> f,
770	+	CompletionStage<? extends T> g,
771	+	Consumer<? super T> a) {
772	+	return f.acceptEitherAsync(g, a);
773	+	}
774	+	public <T,U> CompletableFuture<U> applyToEither
775	+	(CompletableFuture<T> f,
776	+	CompletionStage<? extends T> g,
777	+	Function<? super T,U> a) {
778	+	return f.applyToEitherAsync(g, a);
779	+	}
780	+	public <T> CompletableFuture<T> exceptionally
781	+	(CompletableFuture<T> f,
782	+	Function<Throwable, ? extends T> fn) {
783	+	return f.exceptionallyAsync(fn);
784	+	}
785	+
786	+	public <T> CompletableFuture<T> exceptionallyCompose
787	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
788	+	return f.exceptionallyComposeAsync(fn);
789	+	}
790	+
791		},
792
793		EXECUTOR {
794	+	public void checkExecutionMode() {
795	+	assertTrue(ThreadExecutor.startedCurrentThread());
796	+	}
797	+	public CompletableFuture<Void> runAsync(Runnable a) {
798	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
799	+	}
800	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
801	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
802	+	}
803	+	public <T> CompletableFuture<Void> thenRun
804	+	(CompletableFuture<T> f, Runnable a) {
805	+	return f.thenRunAsync(a, new ThreadExecutor());
806	+	}
807	+	public <T> CompletableFuture<Void> thenAccept
808	+	(CompletableFuture<T> f, Consumer<? super T> a) {
809	+	return f.thenAcceptAsync(a, new ThreadExecutor());
810	+	}
811	+	public <T,U> CompletableFuture<U> thenApply
812	+	(CompletableFuture<T> f, Function<? super T,U> a) {
813	+	return f.thenApplyAsync(a, new ThreadExecutor());
814	+	}
815	+	public <T,U> CompletableFuture<U> thenCompose
816	+	(CompletableFuture<T> f,
817	+	Function<? super T,? extends CompletionStage<U>> a) {
818	+	return f.thenComposeAsync(a, new ThreadExecutor());
819	+	}
820	+	public <T,U> CompletableFuture<U> handle
821	+	(CompletableFuture<T> f,
822	+	BiFunction<? super T,Throwable,? extends U> a) {
823	+	return f.handleAsync(a, new ThreadExecutor());
824	+	}
825	+	public <T> CompletableFuture<T> whenComplete
826	+	(CompletableFuture<T> f,
827	+	BiConsumer<? super T,? super Throwable> a) {
828	+	return f.whenCompleteAsync(a, new ThreadExecutor());
829	+	}
830		public <T,U> CompletableFuture<Void> runAfterBoth
831	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
832	<	return f.runAfterBothAsync(g, r, new ThreadExecutor());
831	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
832	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
833	>	}
834	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
835	>	(CompletableFuture<T> f,
836	>	CompletionStage<? extends U> g,
837	>	BiConsumer<? super T,? super U> a) {
838	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
839	>	}
840	>	public <T,U,V> CompletableFuture<V> thenCombine
841	>	(CompletableFuture<T> f,
842	>	CompletionStage<? extends U> g,
843	>	BiFunction<? super T,? super U,? extends V> a) {
844	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
845	>	}
846	>	public <T> CompletableFuture<Void> runAfterEither
847	>	(CompletableFuture<T> f,
848	>	CompletionStage<?> g,
849	>	java.lang.Runnable a) {
850	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
851	>	}
852	>	public <T> CompletableFuture<Void> acceptEither
853	>	(CompletableFuture<T> f,
854	>	CompletionStage<? extends T> g,
855	>	Consumer<? super T> a) {
856	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
857	>	}
858	>	public <T,U> CompletableFuture<U> applyToEither
859	>	(CompletableFuture<T> f,
860	>	CompletionStage<? extends T> g,
861	>	Function<? super T,U> a) {
862	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
863		}
864	+	public <T> CompletableFuture<T> exceptionally
865	+	(CompletableFuture<T> f,
866	+	Function<Throwable, ? extends T> fn) {
867	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
868	+	}
869	+	public <T> CompletableFuture<T> exceptionallyCompose
870	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
871	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
872	+	}
873	+
874		};
875
876	+	public abstract void checkExecutionMode();
877	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
878	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
879	+	public abstract <T> CompletableFuture<Void> thenRun
880	+	(CompletableFuture<T> f, Runnable a);
881	+	public abstract <T> CompletableFuture<Void> thenAccept
882	+	(CompletableFuture<T> f, Consumer<? super T> a);
883	+	public abstract <T,U> CompletableFuture<U> thenApply
884	+	(CompletableFuture<T> f, Function<? super T,U> a);
885	+	public abstract <T,U> CompletableFuture<U> thenCompose
886	+	(CompletableFuture<T> f,
887	+	Function<? super T,? extends CompletionStage<U>> a);
888	+	public abstract <T,U> CompletableFuture<U> handle
889	+	(CompletableFuture<T> f,
890	+	BiFunction<? super T,Throwable,? extends U> a);
891	+	public abstract <T> CompletableFuture<T> whenComplete
892	+	(CompletableFuture<T> f,
893	+	BiConsumer<? super T,? super Throwable> a);
894		public abstract <T,U> CompletableFuture<Void> runAfterBoth
895	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r);
895	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
896	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
897	>	(CompletableFuture<T> f,
898	>	CompletionStage<? extends U> g,
899	>	BiConsumer<? super T,? super U> a);
900	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
901	>	(CompletableFuture<T> f,
902	>	CompletionStage<? extends U> g,
903	>	BiFunction<? super T,? super U,? extends V> a);
904	>	public abstract <T> CompletableFuture<Void> runAfterEither
905	>	(CompletableFuture<T> f,
906	>	CompletionStage<?> g,
907	>	java.lang.Runnable a);
908	>	public abstract <T> CompletableFuture<Void> acceptEither
909	>	(CompletableFuture<T> f,
910	>	CompletionStage<? extends T> g,
911	>	Consumer<? super T> a);
912	>	public abstract <T,U> CompletableFuture<U> applyToEither
913	>	(CompletableFuture<T> f,
914	>	CompletionStage<? extends T> g,
915	>	Function<? super T,U> a);
916	>	public abstract <T> CompletableFuture<T> exceptionally
917	>	(CompletableFuture<T> f,
918	>	Function<Throwable, ? extends T> fn);
919	>	public abstract <T> CompletableFuture<T> exceptionallyCompose
920	>	(CompletableFuture<T> f,
921	>	Function<Throwable, ? extends CompletionStage<T>> fn);
922		}
923
924		/**
925	<	* runAfterBoth result completes normally after normal
926	<	* completion of sources
925	>	* exceptionally action is not invoked when source completes
926	>	* normally, and source result is propagated
927		*/
928	<	public void testRunAfterBoth_normalCompletion1() {
928	>	public void testExceptionally_normalCompletion() {
929		for (ExecutionMode m : ExecutionMode.values())
930	+	for (boolean createIncomplete : new boolean[] { true, false })
931		for (Integer v1 : new Integer[] { 1, null })
932	<	for (Integer v2 : new Integer[] { 2, null }) {
933	<
932	>	{
933	>	final AtomicInteger a = new AtomicInteger(0);
934		final CompletableFuture<Integer> f = new CompletableFuture<>();
935	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
936	<	final Noop r = new Noop();
937	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
935	>	if (!createIncomplete) assertTrue(f.complete(v1));
936	>	final CompletableFuture<Integer> g = m.exceptionally
937	>	(f, (Throwable t) -> {
938	>	a.getAndIncrement();
939	>	threadFail("should not be called");
940	>	return null;            // unreached
941	>	});
942	>	if (createIncomplete) assertTrue(f.complete(v1));
943
944	<	f.complete(v1);
994	<	checkIncomplete(h);
995	<	assertFalse(r.ran);
996	<	g.complete(v2);
997	<
998	<	checkCompletedNormally(h, null);
999	<	assertTrue(r.ran);
944	>	checkCompletedNormally(g, v1);
945		checkCompletedNormally(f, v1);
946	<	checkCompletedNormally(g, v2);
947	<	}
1003	<	}
946	>	assertEquals(0, a.get());
947	>	}}
948
949	<	public void testRunAfterBoth_normalCompletion2() {
949	>	/**
950	>	* exceptionally action completes with function value on source
951	>	* exception
952	>	*/
953	>	public void testExceptionally_exceptionalCompletion() {
954		for (ExecutionMode m : ExecutionMode.values())
955	+	for (boolean createIncomplete : new boolean[] { true, false })
956		for (Integer v1 : new Integer[] { 1, null })
957	<	for (Integer v2 : new Integer[] { 2, null }) {
958	<
957	>	{
958	>	final AtomicInteger a = new AtomicInteger(0);
959	>	final CFException ex = new CFException();
960		final CompletableFuture<Integer> f = new CompletableFuture<>();
961	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
962	<	final Noop r = new Noop();
963	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
961	>	if (!createIncomplete) f.completeExceptionally(ex);
962	>	final CompletableFuture<Integer> g = m.exceptionally
963	>	(f, (Throwable t) -> {
964	>	m.checkExecutionMode();
965	>	threadAssertSame(t, ex);
966	>	a.getAndIncrement();
967	>	return v1;
968	>	});
969	>	if (createIncomplete) f.completeExceptionally(ex);
970
971	<	g.complete(v2);
972	<	checkIncomplete(h);
973	<	assertFalse(r.ran);
1018	<	f.complete(v1);
1019	<
1020	<	checkCompletedNormally(h, null);
1021	<	assertTrue(r.ran);
1022	<	checkCompletedNormally(f, v1);
1023	<	checkCompletedNormally(g, v2);
1024	<	}
1025	<	}
971	>	checkCompletedNormally(g, v1);
972	>	assertEquals(1, a.get());
973	>	}}
974
975	<	public void testRunAfterBoth_normalCompletion3() {
975	>	/**
976	>	* If an "exceptionally action" throws an exception, it completes
977	>	* exceptionally with that exception
978	>	*/
979	>	public void testExceptionally_exceptionalCompletionActionFailed() {
980		for (ExecutionMode m : ExecutionMode.values())
981	<	for (Integer v1 : new Integer[] { 1, null })
982	<	for (Integer v2 : new Integer[] { 2, null }) {
983	<
981	>	for (boolean createIncomplete : new boolean[] { true, false })
982	>	{
983	>	final AtomicInteger a = new AtomicInteger(0);
984	>	final CFException ex1 = new CFException();
985	>	final CFException ex2 = new CFException();
986		final CompletableFuture<Integer> f = new CompletableFuture<>();
987	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
988	<	final Noop r = new Noop();
989	<
990	<	g.complete(v2);
991	<	f.complete(v1);
992	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
987	>	if (!createIncomplete) f.completeExceptionally(ex1);
988	>	final CompletableFuture<Integer> g = m.exceptionally
989	>	(f, (Throwable t) -> {
990	>	m.checkExecutionMode();
991	>	threadAssertSame(t, ex1);
992	>	a.getAndIncrement();
993	>	throw ex2;
994	>	});
995	>	if (createIncomplete) f.completeExceptionally(ex1);
996	>
997	>	checkCompletedWithWrappedException(g, ex2);
998	>	checkCompletedExceptionally(f, ex1);
999	>	assertEquals(1, a.get());
1000	>	}}
1001
1002	<	checkCompletedNormally(h, null);
1003	<	assertTrue(r.ran);
1004	<	checkCompletedNormally(f, v1);
1005	<	checkCompletedNormally(g, v2);
1006	<	}
1045	<	}
1046	<
1047	<	public void testRunAfterBoth_normalCompletion4() {
1002	>	/**
1003	>	* whenComplete action executes on normal completion, propagating
1004	>	* source result.
1005	>	*/
1006	>	public void testWhenComplete_normalCompletion() {
1007		for (ExecutionMode m : ExecutionMode.values())
1008	+	for (boolean createIncomplete : new boolean[] { true, false })
1009		for (Integer v1 : new Integer[] { 1, null })
1010	<	for (Integer v2 : new Integer[] { 2, null }) {
1011	<
1010	>	{
1011	>	final AtomicInteger a = new AtomicInteger(0);
1012		final CompletableFuture<Integer> f = new CompletableFuture<>();
1013	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1014	<	final Noop r = new Noop();
1015	<
1016	<	f.complete(v1);
1017	<	g.complete(v2);
1018	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1013	>	if (!createIncomplete) assertTrue(f.complete(v1));
1014	>	final CompletableFuture<Integer> g = m.whenComplete
1015	>	(f,
1016	>	(Integer result, Throwable t) -> {
1017	>	m.checkExecutionMode();
1018	>	threadAssertSame(result, v1);
1019	>	threadAssertNull(t);
1020	>	a.getAndIncrement();
1021	>	});
1022	>	if (createIncomplete) assertTrue(f.complete(v1));
1023
1024	<	checkCompletedNormally(h, null);
1061	<	assertTrue(r.ran);
1024	>	checkCompletedNormally(g, v1);
1025		checkCompletedNormally(f, v1);
1026	<	checkCompletedNormally(g, v2);
1027	<	}
1065	<	}
1026	>	assertEquals(1, a.get());
1027	>	}}
1028
1029		/**
1030	<	* runAfterBoth result completes exceptionally after exceptional
1031	<	* completion of either source
1030	>	* whenComplete action executes on exceptional completion, propagating
1031	>	* source result.
1032		*/
1033	<	public void testRunAfterBoth_exceptionalCompletion1() {
1033	>	public void testWhenComplete_exceptionalCompletion() {
1034		for (ExecutionMode m : ExecutionMode.values())
1035	<	for (Integer v1 : new Integer[] { 1, null }) {
1036	<
1037	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1077	<	final Noop r = new Noop();
1078	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1035	>	for (boolean createIncomplete : new boolean[] { true, false })
1036	>	{
1037	>	final AtomicInteger a = new AtomicInteger(0);
1038		final CFException ex = new CFException();
1039	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1040	+	if (!createIncomplete) f.completeExceptionally(ex);
1041	+	final CompletableFuture<Integer> g = m.whenComplete
1042	+	(f,
1043	+	(Integer result, Throwable t) -> {
1044	+	m.checkExecutionMode();
1045	+	threadAssertNull(result);
1046	+	threadAssertSame(t, ex);
1047	+	a.getAndIncrement();
1048	+	});
1049	+	if (createIncomplete) f.completeExceptionally(ex);
1050	+
1051	+	checkCompletedWithWrappedException(g, ex);
1052	+	checkCompletedExceptionally(f, ex);
1053	+	assertEquals(1, a.get());
1054	+	}}
1055
1056	<	f.completeExceptionally(ex);
1057	<	checkIncomplete(h);
1058	<	g.complete(v1);
1059	<
1060	<	checkCompletedWithWrappedCFException(h, ex);
1086	<	checkCompletedWithWrappedCFException(f, ex);
1087	<	assertFalse(r.ran);
1088	<	checkCompletedNormally(g, v1);
1089	<	}
1090	<	}
1091	<
1092	<	public void testRunAfterBoth_exceptionalCompletion2() {
1056	>	/**
1057	>	* whenComplete action executes on cancelled source, propagating
1058	>	* CancellationException.
1059	>	*/
1060	>	public void testWhenComplete_sourceCancelled() {
1061		for (ExecutionMode m : ExecutionMode.values())
1062	<	for (Integer v1 : new Integer[] { 1, null }) {
1063	<
1062	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1063	>	for (boolean createIncomplete : new boolean[] { true, false })
1064	>	{
1065	>	final AtomicInteger a = new AtomicInteger(0);
1066		final CompletableFuture<Integer> f = new CompletableFuture<>();
1067	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1068	<	final Noop r = new Noop();
1069	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1070	<	final CFException ex = new CFException();
1067	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1068	>	final CompletableFuture<Integer> g = m.whenComplete
1069	>	(f,
1070	>	(Integer result, Throwable t) -> {
1071	>	m.checkExecutionMode();
1072	>	threadAssertNull(result);
1073	>	threadAssertTrue(t instanceof CancellationException);
1074	>	a.getAndIncrement();
1075	>	});
1076	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1077
1078	<	g.completeExceptionally(ex);
1079	<	checkIncomplete(h);
1080	<	f.complete(v1);
1081	<
1106	<	checkCompletedWithWrappedCFException(h, ex);
1107	<	checkCompletedWithWrappedCFException(g, ex);
1108	<	assertFalse(r.ran);
1109	<	checkCompletedNormally(f, v1);
1110	<	}
1111	<	}
1078	>	checkCompletedWithWrappedCancellationException(g);
1079	>	checkCancelled(f);
1080	>	assertEquals(1, a.get());
1081	>	}}
1082
1083	<	public void testRunAfterBoth_exceptionalCompletion3() {
1083	>	/**
1084	>	* If a whenComplete action throws an exception when triggered by
1085	>	* a normal completion, it completes exceptionally
1086	>	*/
1087	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1088	>	for (boolean createIncomplete : new boolean[] { true, false })
1089		for (ExecutionMode m : ExecutionMode.values())
1090	<	for (Integer v1 : new Integer[] { 1, null }) {
1091	<
1092	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
1090	>	for (Integer v1 : new Integer[] { 1, null })
1091	>	{
1092	>	final AtomicInteger a = new AtomicInteger(0);
1093		final CFException ex = new CFException();
1094	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1095	+	if (!createIncomplete) assertTrue(f.complete(v1));
1096	+	final CompletableFuture<Integer> g = m.whenComplete
1097	+	(f,
1098	+	(Integer result, Throwable t) -> {
1099	+	m.checkExecutionMode();
1100	+	threadAssertSame(result, v1);
1101	+	threadAssertNull(t);
1102	+	a.getAndIncrement();
1103	+	throw ex;
1104	+	});
1105	+	if (createIncomplete) assertTrue(f.complete(v1));
1106
1107	<	g.completeExceptionally(ex);
1123	<	f.complete(v1);
1124	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1125	<
1126	<	checkCompletedWithWrappedCFException(h, ex);
1127	<	checkCompletedWithWrappedCFException(g, ex);
1128	<	assertFalse(r.ran);
1107	>	checkCompletedWithWrappedException(g, ex);
1108		checkCompletedNormally(f, v1);
1109	<	}
1110	<	}
1109	>	assertEquals(1, a.get());
1110	>	}}
1111
1112	<	public void testRunAfterBoth_exceptionalCompletion4() {
1112	>	/**
1113	>	* If a whenComplete action throws an exception when triggered by
1114	>	* a source completion that also throws an exception, the source
1115	>	* exception takes precedence (unlike handle)
1116	>	*/
1117	>	public void testWhenComplete_sourceFailedActionFailed() {
1118	>	for (boolean createIncomplete : new boolean[] { true, false })
1119		for (ExecutionMode m : ExecutionMode.values())
1120	<	for (Integer v1 : new Integer[] { 1, null }) {
1121	<
1120	>	{
1121	>	final AtomicInteger a = new AtomicInteger(0);
1122	>	final CFException ex1 = new CFException();
1123	>	final CFException ex2 = new CFException();
1124		final CompletableFuture<Integer> f = new CompletableFuture<>();
1138	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1139	–	final Noop r = new Noop();
1140	–	final CFException ex = new CFException();
1125
1126	<	f.completeExceptionally(ex);
1127	<	g.complete(v1);
1128	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1129	<
1130	<	checkCompletedWithWrappedCFException(h, ex);
1131	<	checkCompletedWithWrappedCFException(f, ex);
1132	<	assertFalse(r.ran);
1133	<	checkCompletedNormally(g, v1);
1126	>	if (!createIncomplete) f.completeExceptionally(ex1);
1127	>	final CompletableFuture<Integer> g = m.whenComplete
1128	>	(f,
1129	>	(Integer result, Throwable t) -> {
1130	>	m.checkExecutionMode();
1131	>	threadAssertSame(t, ex1);
1132	>	threadAssertNull(result);
1133	>	a.getAndIncrement();
1134	>	throw ex2;
1135	>	});
1136	>	if (createIncomplete) f.completeExceptionally(ex1);
1137	>
1138	>	checkCompletedWithWrappedException(g, ex1);
1139	>	checkCompletedExceptionally(f, ex1);
1140	>	if (testImplementationDetails) {
1141	>	assertEquals(1, ex1.getSuppressed().length);
1142	>	assertSame(ex2, ex1.getSuppressed()[0]);
1143		}
1144	<	}
1144	>	assertEquals(1, a.get());
1145	>	}}
1146
1147		/**
1148	<	* runAfterBoth result completes exceptionally if action does
1148	>	* handle action completes normally with function value on normal
1149	>	* completion of source
1150		*/
1151	<	public void testRunAfterBoth_actionFailed1() {
1151	>	public void testHandle_normalCompletion() {
1152		for (ExecutionMode m : ExecutionMode.values())
1153	+	for (boolean createIncomplete : new boolean[] { true, false })
1154		for (Integer v1 : new Integer[] { 1, null })
1155	<	for (Integer v2 : new Integer[] { 2, null }) {
1160	<
1155	>	{
1156		final CompletableFuture<Integer> f = new CompletableFuture<>();
1157	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1158	<	final FailingNoop r = new FailingNoop();
1159	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1157	>	final AtomicInteger a = new AtomicInteger(0);
1158	>	if (!createIncomplete) assertTrue(f.complete(v1));
1159	>	final CompletableFuture<Integer> g = m.handle
1160	>	(f,
1161	>	(Integer result, Throwable t) -> {
1162	>	m.checkExecutionMode();
1163	>	threadAssertSame(result, v1);
1164	>	threadAssertNull(t);
1165	>	a.getAndIncrement();
1166	>	return inc(v1);
1167	>	});
1168	>	if (createIncomplete) assertTrue(f.complete(v1));
1169
1170	<	f.complete(v1);
1167	<	checkIncomplete(h);
1168	<	g.complete(v2);
1169	<
1170	<	checkCompletedWithWrappedCFException(h);
1170	>	checkCompletedNormally(g, inc(v1));
1171		checkCompletedNormally(f, v1);
1172	<	checkCompletedNormally(g, v2);
1173	<	}
1174	<	}
1172	>	assertEquals(1, a.get());
1173	>	}}
1174
1175	<	public void testRunAfterBoth_actionFailed2() {
1175	>	/**
1176	>	* handle action completes normally with function value on
1177	>	* exceptional completion of source
1178	>	*/
1179	>	public void testHandle_exceptionalCompletion() {
1180		for (ExecutionMode m : ExecutionMode.values())
1181	+	for (boolean createIncomplete : new boolean[] { true, false })
1182		for (Integer v1 : new Integer[] { 1, null })
1183	<	for (Integer v2 : new Integer[] { 2, null }) {
1180	<
1183	>	{
1184		final CompletableFuture<Integer> f = new CompletableFuture<>();
1185	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1186	<	final FailingNoop r = new FailingNoop();
1187	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1188	<
1189	<	g.complete(v2);
1190	<	checkIncomplete(h);
1191	<	f.complete(v1);
1185	>	final AtomicInteger a = new AtomicInteger(0);
1186	>	final CFException ex = new CFException();
1187	>	if (!createIncomplete) f.completeExceptionally(ex);
1188	>	final CompletableFuture<Integer> g = m.handle
1189	>	(f,
1190	>	(Integer result, Throwable t) -> {
1191	>	m.checkExecutionMode();
1192	>	threadAssertNull(result);
1193	>	threadAssertSame(t, ex);
1194	>	a.getAndIncrement();
1195	>	return v1;
1196	>	});
1197	>	if (createIncomplete) f.completeExceptionally(ex);
1198
1199	<	checkCompletedWithWrappedCFException(h);
1200	<	checkCompletedNormally(f, v1);
1201	<	checkCompletedNormally(g, v2);
1202	<	}
1194	<	}
1199	>	checkCompletedNormally(g, v1);
1200	>	checkCompletedExceptionally(f, ex);
1201	>	assertEquals(1, a.get());
1202	>	}}
1203
1204		/**
1205	<	* runAfterBoth result completes exceptionally if either source cancelled
1205	>	* handle action completes normally with function value on
1206	>	* cancelled source
1207		*/
1208	<	public void testRunAfterBoth_sourceCancelled1() {
1208	>	public void testHandle_sourceCancelled() {
1209		for (ExecutionMode m : ExecutionMode.values())
1210		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1211	<	for (Integer v1 : new Integer[] { 1, null }) {
1212	<
1211	>	for (boolean createIncomplete : new boolean[] { true, false })
1212	>	for (Integer v1 : new Integer[] { 1, null })
1213	>	{
1214		final CompletableFuture<Integer> f = new CompletableFuture<>();
1215	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1216	<	final Noop r = new Noop();
1217	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1215	>	final AtomicInteger a = new AtomicInteger(0);
1216	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1217	>	final CompletableFuture<Integer> g = m.handle
1218	>	(f,
1219	>	(Integer result, Throwable t) -> {
1220	>	m.checkExecutionMode();
1221	>	threadAssertNull(result);
1222	>	threadAssertTrue(t instanceof CancellationException);
1223	>	a.getAndIncrement();
1224	>	return v1;
1225	>	});
1226	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1227
1209	–	assertTrue(f.cancel(mayInterruptIfRunning));
1210	–	checkIncomplete(h);
1211	–	g.complete(v1);
1212	–
1213	–	checkCompletedWithWrappedCancellationException(h);
1214	–	checkCancelled(f);
1215	–	assertFalse(r.ran);
1228		checkCompletedNormally(g, v1);
1229	<	}
1230	<	}
1231	<
1220	<	public void testRunAfterBoth_sourceCancelled2() {
1221	<	for (ExecutionMode m : ExecutionMode.values())
1222	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1223	<	for (Integer v1 : new Integer[] { 1, null }) {
1224	<
1225	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1226	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1227	<	final Noop r = new Noop();
1228	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1229	<
1230	<	assertTrue(g.cancel(mayInterruptIfRunning));
1231	<	checkIncomplete(h);
1232	<	f.complete(v1);
1233	<
1234	<	checkCompletedWithWrappedCancellationException(h);
1235	<	checkCancelled(g);
1236	<	assertFalse(r.ran);
1237	<	checkCompletedNormally(f, v1);
1238	<	}
1239	<	}
1229	>	checkCancelled(f);
1230	>	assertEquals(1, a.get());
1231	>	}}
1232
1233	<	public void testRunAfterBoth_sourceCancelled3() {
1233	>	/**
1234	>	* If a "handle action" throws an exception when triggered by
1235	>	* a normal completion, it completes exceptionally
1236	>	*/
1237	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1238		for (ExecutionMode m : ExecutionMode.values())
1239	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1240	<	for (Integer v1 : new Integer[] { 1, null }) {
1241	<
1239	>	for (boolean createIncomplete : new boolean[] { true, false })
1240	>	for (Integer v1 : new Integer[] { 1, null })
1241	>	{
1242		final CompletableFuture<Integer> f = new CompletableFuture<>();
1243	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1244	<	final Noop r = new Noop();
1245	<
1246	<	assertTrue(g.cancel(mayInterruptIfRunning));
1247	<	f.complete(v1);
1248	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1243	>	final AtomicInteger a = new AtomicInteger(0);
1244	>	final CFException ex = new CFException();
1245	>	if (!createIncomplete) assertTrue(f.complete(v1));
1246	>	final CompletableFuture<Integer> g = m.handle
1247	>	(f,
1248	>	(Integer result, Throwable t) -> {
1249	>	m.checkExecutionMode();
1250	>	threadAssertSame(result, v1);
1251	>	threadAssertNull(t);
1252	>	a.getAndIncrement();
1253	>	throw ex;
1254	>	});
1255	>	if (createIncomplete) assertTrue(f.complete(v1));
1256
1257	<	checkCompletedWithWrappedCancellationException(h);
1255	<	checkCancelled(g);
1256	<	assertFalse(r.ran);
1257	>	checkCompletedWithWrappedException(g, ex);
1258		checkCompletedNormally(f, v1);
1259	<	}
1260	<	}
1259	>	assertEquals(1, a.get());
1260	>	}}
1261
1262	<	public void testRunAfterBoth_sourceCancelled4() {
1262	>	/**
1263	>	* If a "handle action" throws an exception when triggered by
1264	>	* a source completion that also throws an exception, the action
1265	>	* exception takes precedence (unlike whenComplete)
1266	>	*/
1267	>	public void testHandle_sourceFailedActionFailed() {
1268	>	for (boolean createIncomplete : new boolean[] { true, false })
1269		for (ExecutionMode m : ExecutionMode.values())
1270	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1271	<	for (Integer v1 : new Integer[] { 1, null }) {
1272	<
1270	>	{
1271	>	final AtomicInteger a = new AtomicInteger(0);
1272	>	final CFException ex1 = new CFException();
1273	>	final CFException ex2 = new CFException();
1274		final CompletableFuture<Integer> f = new CompletableFuture<>();
1267	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1268	–	final Noop r = new Noop();
1275
1276	<	assertTrue(f.cancel(mayInterruptIfRunning));
1277	<	g.complete(v1);
1278	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1279	<
1280	<	checkCompletedWithWrappedCancellationException(h);
1281	<	checkCancelled(f);
1282	<	assertFalse(r.ran);
1283	<	checkCompletedNormally(g, v1);
1284	<	}
1285	<	}
1276	>	if (!createIncomplete) f.completeExceptionally(ex1);
1277	>	final CompletableFuture<Integer> g = m.handle
1278	>	(f,
1279	>	(Integer result, Throwable t) -> {
1280	>	m.checkExecutionMode();
1281	>	threadAssertNull(result);
1282	>	threadAssertSame(ex1, t);
1283	>	a.getAndIncrement();
1284	>	throw ex2;
1285	>	});
1286	>	if (createIncomplete) f.completeExceptionally(ex1);
1287	>
1288	>	checkCompletedWithWrappedException(g, ex2);
1289	>	checkCompletedExceptionally(f, ex1);
1290	>	assertEquals(1, a.get());
1291	>	}}
1292
1293		/**
1294	<	* applyToEither result completes normally after normal completion
1283	<	* of either source
1294	>	* runAsync completes after running Runnable
1295		*/
1296	<	public void testApplyToEither() {
1297	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1298	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1299	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1300	<	f.complete(one);
1301	<	checkCompletedNormally(g, two);
1302	<	f2.complete(one);
1303	<	checkCompletedNormally(g, two);
1304	<
1305	<	f = new CompletableFuture<>();
1306	<	f.complete(one);
1307	<	f2 = new CompletableFuture<>();
1308	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
1296	>	public void testRunAsync_normalCompletion() {
1297	>	ExecutionMode[] executionModes = {
1298	>	ExecutionMode.ASYNC,
1299	>	ExecutionMode.EXECUTOR,
1300	>	};
1301	>	for (ExecutionMode m : executionModes)
1302	>	{
1303	>	final Noop r = new Noop(m);
1304	>	final CompletableFuture<Void> f = m.runAsync(r);
1305	>	assertNull(f.join());
1306	>	checkCompletedNormally(f, null);
1307	>	r.assertInvoked();
1308	>	}}
1309
1310		/**
1311	<	* applyToEither result completes exceptionally after exceptional
1303	<	* completion of either source
1311	>	* failing runAsync completes exceptionally after running Runnable
1312		*/
1313	<	public void testApplyToEither2() {
1314	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1315	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1316	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1317	<	f.completeExceptionally(new CFException());
1318	<	f2.complete(one);
1319	<	checkCompletedWithWrappedCFException(g);
1320	<
1321	<	f = new CompletableFuture<>();
1322	<	f2 = new CompletableFuture<>();
1323	<	f2.completeExceptionally(new CFException());
1324	<	g = f.applyToEither(f2, inc);
1325	<	checkCompletedWithWrappedCFException(g);
1326	<	}
1313	>	public void testRunAsync_exceptionalCompletion() {
1314	>	ExecutionMode[] executionModes = {
1315	>	ExecutionMode.ASYNC,
1316	>	ExecutionMode.EXECUTOR,
1317	>	};
1318	>	for (ExecutionMode m : executionModes)
1319	>	{
1320	>	final FailingRunnable r = new FailingRunnable(m);
1321	>	final CompletableFuture<Void> f = m.runAsync(r);
1322	>	checkCompletedWithWrappedException(f, r.ex);
1323	>	r.assertInvoked();
1324	>	}}
1325	>
1326	>	@SuppressWarnings("FutureReturnValueIgnored")
1327	>	public void testRunAsync_rejectingExecutor() {
1328	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1329	>	try {
1330	>	CompletableFuture.runAsync(() -> {}, e);
1331	>	shouldThrow();
1332	>	} catch (Throwable t) {
1333	>	assertSame(e.ex, t);
1334	>	}
1335
1336	<	/**
1321	<	* applyToEither result completes exceptionally if action does
1322	<	*/
1323	<	public void testApplyToEither3() {
1324	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1325	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1326	<	FailingFunction r = new FailingFunction();
1327	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1328	<	f2.complete(two);
1329	<	checkCompletedWithWrappedCFException(g);
1336	>	assertEquals(1, e.count.get());
1337		}
1338
1339		/**
1340	<	* applyToEither result completes exceptionally if either source cancelled
1340	>	* supplyAsync completes with result of supplier
1341		*/
1342	<	public void testApplyToEither4() {
1343	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1344	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1345	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1346	<	assertTrue(f.cancel(true));
1347	<	checkCompletedWithWrappedCancellationException(g);
1348	<	f = new CompletableFuture<>();
1349	<	f2 = new CompletableFuture<>();
1350	<	assertTrue(f2.cancel(true));
1351	<	checkCompletedWithWrappedCancellationException(g);
1352	<	}
1342	>	public void testSupplyAsync_normalCompletion() {
1343	>	ExecutionMode[] executionModes = {
1344	>	ExecutionMode.ASYNC,
1345	>	ExecutionMode.EXECUTOR,
1346	>	};
1347	>	for (ExecutionMode m : executionModes)
1348	>	for (Integer v1 : new Integer[] { 1, null })
1349	>	{
1350	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1351	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1352	>	assertSame(v1, f.join());
1353	>	checkCompletedNormally(f, v1);
1354	>	r.assertInvoked();
1355	>	}}
1356
1357		/**
1358	<	* acceptEither result completes normally after normal completion
1349	<	* of either source
1358	>	* Failing supplyAsync completes exceptionally
1359		*/
1360	<	public void testAcceptEither() {
1361	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1362	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1363	<	IncAction r = new IncAction();
1364	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1365	<	f.complete(one);
1366	<	checkCompletedNormally(g, null);
1367	<	f2.complete(one);
1368	<	checkCompletedNormally(g, null);
1369	<	assertEquals(r.value, 2);
1360	>	public void testSupplyAsync_exceptionalCompletion() {
1361	>	ExecutionMode[] executionModes = {
1362	>	ExecutionMode.ASYNC,
1363	>	ExecutionMode.EXECUTOR,
1364	>	};
1365	>	for (ExecutionMode m : executionModes)
1366	>	{
1367	>	FailingSupplier r = new FailingSupplier(m);
1368	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1369	>	checkCompletedWithWrappedException(f, r.ex);
1370	>	r.assertInvoked();
1371	>	}}
1372	>
1373	>	@SuppressWarnings("FutureReturnValueIgnored")
1374	>	public void testSupplyAsync_rejectingExecutor() {
1375	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1376	>	try {
1377	>	CompletableFuture.supplyAsync(() -> null, e);
1378	>	shouldThrow();
1379	>	} catch (Throwable t) {
1380	>	assertSame(e.ex, t);
1381	>	}
1382
1383	<	r = new IncAction();
1363	<	f = new CompletableFuture<>();
1364	<	f.complete(one);
1365	<	f2 = new CompletableFuture<>();
1366	<	g = f.acceptEither(f2, r);
1367	<	checkCompletedNormally(g, null);
1368	<	assertEquals(r.value, 2);
1383	>	assertEquals(1, e.count.get());
1384		}
1385
1386	<	/**
1372	<	* acceptEither result completes exceptionally after exceptional
1373	<	* completion of either source
1374	<	*/
1375	<	public void testAcceptEither2() {
1376	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1377	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1378	<	IncAction r = new IncAction();
1379	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1380	<	f.completeExceptionally(new CFException());
1381	<	f2.complete(one);
1382	<	checkCompletedWithWrappedCFException(g);
1383	<
1384	<	r = new IncAction();
1385	<	f = new CompletableFuture<>();
1386	<	f2 = new CompletableFuture<>();
1387	<	f2.completeExceptionally(new CFException());
1388	<	g = f.acceptEither(f2, r);
1389	<	checkCompletedWithWrappedCFException(g);
1390	<	}
1386	>	// seq completion methods
1387
1388		/**
1389	<	* acceptEither result completes exceptionally if action does
1389	>	* thenRun result completes normally after normal completion of source
1390		*/
1391	<	public void testAcceptEither3() {
1392	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1393	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1394	<	FailingConsumer r = new FailingConsumer();
1395	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1396	<	f2.complete(two);
1397	<	checkCompletedWithWrappedCFException(g);
1402	<	}
1391	>	public void testThenRun_normalCompletion() {
1392	>	for (ExecutionMode m : ExecutionMode.values())
1393	>	for (Integer v1 : new Integer[] { 1, null })
1394	>	{
1395	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1396	>	final Noop[] rs = new Noop[6];
1397	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1398
1399	<	/**
1400	<	* acceptEither result completes exceptionally if either source cancelled
1401	<	*/
1402	<	public void testAcceptEither4() {
1403	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1404	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1405	<	IncAction r = new IncAction();
1406	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1407	<	assertTrue(f.cancel(true));
1408	<	checkCompletedWithWrappedCancellationException(g);
1409	<	f = new CompletableFuture<>();
1410	<	f2 = new CompletableFuture<>();
1411	<	assertTrue(f2.cancel(true));
1412	<	checkCompletedWithWrappedCancellationException(g);
1413	<	}
1399	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1400	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1401	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1402	>	checkIncomplete(h0);
1403	>	checkIncomplete(h1);
1404	>	checkIncomplete(h2);
1405	>	assertTrue(f.complete(v1));
1406	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1407	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1408	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1409	>
1410	>	checkCompletedNormally(h0, null);
1411	>	checkCompletedNormally(h1, null);
1412	>	checkCompletedNormally(h2, null);
1413	>	checkCompletedNormally(h3, null);
1414	>	checkCompletedNormally(h4, null);
1415	>	checkCompletedNormally(h5, null);
1416	>	checkCompletedNormally(f, v1);
1417	>	for (Noop r : rs) r.assertInvoked();
1418	>	}}
1419
1420		/**
1421	<	* runAfterEither result completes normally after normal completion
1422	<	* of either source
1421	>	* thenRun result completes exceptionally after exceptional
1422	>	* completion of source
1423		*/
1424	<	public void testRunAfterEither() {
1425	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1426	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1427	<	Noop r = new Noop();
1428	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1429	<	f.complete(one);
1430	<	checkCompletedNormally(g, null);
1431	<	f2.complete(one);
1432	<	checkCompletedNormally(g, null);
1433	<	assertTrue(r.ran);
1424	>	public void testThenRun_exceptionalCompletion() {
1425	>	for (ExecutionMode m : ExecutionMode.values())
1426	>	{
1427	>	final CFException ex = new CFException();
1428	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1429	>	final Noop[] rs = new Noop[6];
1430	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1431
1432	<	r = new Noop();
1433	<	f = new CompletableFuture<>();
1434	<	f.complete(one);
1435	<	f2 = new CompletableFuture<>();
1436	<	g = f.runAfterEither(f2, r);
1437	<	checkCompletedNormally(g, null);
1438	<	assertTrue(r.ran);
1439	<	}
1432	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1433	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1434	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1435	>	checkIncomplete(h0);
1436	>	checkIncomplete(h1);
1437	>	checkIncomplete(h2);
1438	>	assertTrue(f.completeExceptionally(ex));
1439	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1440	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1441	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1442	>
1443	>	checkCompletedWithWrappedException(h0, ex);
1444	>	checkCompletedWithWrappedException(h1, ex);
1445	>	checkCompletedWithWrappedException(h2, ex);
1446	>	checkCompletedWithWrappedException(h3, ex);
1447	>	checkCompletedWithWrappedException(h4, ex);
1448	>	checkCompletedWithWrappedException(h5, ex);
1449	>	checkCompletedExceptionally(f, ex);
1450	>	for (Noop r : rs) r.assertNotInvoked();
1451	>	}}
1452
1453		/**
1454	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
1454	>	* thenRun result completes exceptionally if source cancelled
1455		*/
1456	<	public void testRunAfterEither2() {
1457	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1458	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1459	<	Noop r = new Noop();
1460	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1461	<	f.completeExceptionally(new CFException());
1462	<	f2.complete(one);
1455	<	checkCompletedWithWrappedCFException(g);
1456	>	public void testThenRun_sourceCancelled() {
1457	>	for (ExecutionMode m : ExecutionMode.values())
1458	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1459	>	{
1460	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1461	>	final Noop[] rs = new Noop[6];
1462	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1463
1464	<	r = new Noop();
1465	<	f = new CompletableFuture<>();
1466	<	f2 = new CompletableFuture<>();
1467	<	f2.completeExceptionally(new CFException());
1468	<	g = f.runAfterEither(f2, r);
1469	<	checkCompletedWithWrappedCFException(g);
1470	<	}
1464	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1465	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1466	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1467	>	checkIncomplete(h0);
1468	>	checkIncomplete(h1);
1469	>	checkIncomplete(h2);
1470	>	assertTrue(f.cancel(mayInterruptIfRunning));
1471	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1472	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1473	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1474	>
1475	>	checkCompletedWithWrappedCancellationException(h0);
1476	>	checkCompletedWithWrappedCancellationException(h1);
1477	>	checkCompletedWithWrappedCancellationException(h2);
1478	>	checkCompletedWithWrappedCancellationException(h3);
1479	>	checkCompletedWithWrappedCancellationException(h4);
1480	>	checkCompletedWithWrappedCancellationException(h5);
1481	>	checkCancelled(f);
1482	>	for (Noop r : rs) r.assertNotInvoked();
1483	>	}}
1484
1485		/**
1486	<	* runAfterEither result completes exceptionally if action does
1486	>	* thenRun result completes exceptionally if action does
1487		*/
1488	<	public void testRunAfterEither3() {
1489	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1490	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1491	<	FailingNoop r = new FailingNoop();
1492	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1493	<	f2.complete(two);
1494	<	checkCompletedWithWrappedCFException(g);
1475	<	}
1488	>	public void testThenRun_actionFailed() {
1489	>	for (ExecutionMode m : ExecutionMode.values())
1490	>	for (Integer v1 : new Integer[] { 1, null })
1491	>	{
1492	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1493	>	final FailingRunnable[] rs = new FailingRunnable[6];
1494	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1495
1496	<	/**
1497	<	* runAfterEither result completes exceptionally if either source cancelled
1498	<	*/
1499	<	public void testRunAfterEither4() {
1500	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1501	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1502	<	Noop r = new Noop();
1503	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1504	<	assertTrue(f.cancel(true));
1505	<	checkCompletedWithWrappedCancellationException(g);
1506	<	f = new CompletableFuture<>();
1507	<	f2 = new CompletableFuture<>();
1508	<	assertTrue(f2.cancel(true));
1509	<	checkCompletedWithWrappedCancellationException(g);
1510	<	}
1496	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1497	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1498	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1499	>	assertTrue(f.complete(v1));
1500	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1501	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1502	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1503	>
1504	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1505	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1506	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1507	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1508	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1509	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1510	>	checkCompletedNormally(f, v1);
1511	>	}}
1512
1513		/**
1514	<	* thenCompose result completes normally after normal completion of source
1514	>	* thenApply result completes normally after normal completion of source
1515		*/
1516	<	public void testThenCompose() {
1517	<	CompletableFuture<Integer> f, g;
1518	<	CompletableFutureInc r;
1519	<
1520	<	f = new CompletableFuture<>();
1521	<	g = f.thenCompose(r = new CompletableFutureInc());
1522	<	f.complete(one);
1503	<	checkCompletedNormally(g, two);
1504	<	assertTrue(r.ran);
1516	>	public void testThenApply_normalCompletion() {
1517	>	for (ExecutionMode m : ExecutionMode.values())
1518	>	for (Integer v1 : new Integer[] { 1, null })
1519	>	{
1520	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1521	>	final IncFunction[] rs = new IncFunction[4];
1522	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1523
1524	<	f = new CompletableFuture<>();
1525	<	f.complete(one);
1526	<	g = f.thenCompose(r = new CompletableFutureInc());
1527	<	checkCompletedNormally(g, two);
1528	<	assertTrue(r.ran);
1529	<	}
1524	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1525	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1526	>	checkIncomplete(h0);
1527	>	checkIncomplete(h1);
1528	>	assertTrue(f.complete(v1));
1529	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1530	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1531	>
1532	>	checkCompletedNormally(h0, inc(v1));
1533	>	checkCompletedNormally(h1, inc(v1));
1534	>	checkCompletedNormally(h2, inc(v1));
1535	>	checkCompletedNormally(h3, inc(v1));
1536	>	checkCompletedNormally(f, v1);
1537	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1538	>	}}
1539
1540		/**
1541	<	* thenCompose result completes exceptionally after exceptional
1541	>	* thenApply result completes exceptionally after exceptional
1542		* completion of source
1543		*/
1544	<	public void testThenCompose2() {
1545	<	CompletableFuture<Integer> f, g;
1546	<	CompletableFutureInc r;
1547	<
1548	<	f = new CompletableFuture<>();
1549	<	g = f.thenCompose(r = new CompletableFutureInc());
1550	<	f.completeExceptionally(new CFException());
1524	<	checkCompletedWithWrappedCFException(g);
1525	<
1526	<	f = new CompletableFuture<>();
1527	<	f.completeExceptionally(new CFException());
1528	<	g = f.thenCompose(r = new CompletableFutureInc());
1529	<	checkCompletedWithWrappedCFException(g);
1530	<	}
1531	<
1532	<	/**
1533	<	* thenCompose result completes exceptionally if action does
1534	<	*/
1535	<	public void testThenCompose3() {
1536	<	CompletableFuture<Integer> f, g;
1537	<	FailingCompletableFutureFunction r;
1538	<
1539	<	f = new CompletableFuture<>();
1540	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1541	<	f.complete(one);
1542	<	checkCompletedWithWrappedCFException(g);
1544	>	public void testThenApply_exceptionalCompletion() {
1545	>	for (ExecutionMode m : ExecutionMode.values())
1546	>	{
1547	>	final CFException ex = new CFException();
1548	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1549	>	final IncFunction[] rs = new IncFunction[4];
1550	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1551
1552	<	f = new CompletableFuture<>();
1553	<	f.complete(one);
1554	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1555	<	checkCompletedWithWrappedCFException(g);
1556	<	}
1552	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1553	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1554	>	assertTrue(f.completeExceptionally(ex));
1555	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1556	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1557	>
1558	>	checkCompletedWithWrappedException(h0, ex);
1559	>	checkCompletedWithWrappedException(h1, ex);
1560	>	checkCompletedWithWrappedException(h2, ex);
1561	>	checkCompletedWithWrappedException(h3, ex);
1562	>	checkCompletedExceptionally(f, ex);
1563	>	for (IncFunction r : rs) r.assertNotInvoked();
1564	>	}}
1565
1566		/**
1567	<	* thenCompose result completes exceptionally if source cancelled
1567	>	* thenApply result completes exceptionally if source cancelled
1568		*/
1569	<	public void testThenCompose4() {
1570	<	CompletableFuture<Integer> f, g;
1571	<	CompletableFutureInc r;
1572	<
1573	<	f = new CompletableFuture<>();
1574	<	g = f.thenCompose(r = new CompletableFutureInc());
1575	<	assertTrue(f.cancel(true));
1560	<	checkCompletedWithWrappedCancellationException(g);
1561	<
1562	<	f = new CompletableFuture<>();
1563	<	assertTrue(f.cancel(true));
1564	<	g = f.thenCompose(r = new CompletableFutureInc());
1565	<	checkCompletedWithWrappedCancellationException(g);
1566	<	}
1567	<
1568	<	// asyncs
1569	>	public void testThenApply_sourceCancelled() {
1570	>	for (ExecutionMode m : ExecutionMode.values())
1571	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1572	>	{
1573	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1574	>	final IncFunction[] rs = new IncFunction[4];
1575	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1576
1577	<	/**
1578	<	* thenRunAsync result completes normally after normal completion of source
1579	<	*/
1580	<	public void testThenRunAsync() {
1581	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1575	<	Noop r = new Noop();
1576	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1577	<	f.complete(null);
1578	<	checkCompletedNormally(g, null);
1577	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1578	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1579	>	assertTrue(f.cancel(mayInterruptIfRunning));
1580	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1581	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1582
1583	<	// reordered version
1584	<	f = new CompletableFuture<>();
1585	<	f.complete(null);
1586	<	r = new Noop();
1587	<	g = f.thenRunAsync(r);
1588	<	checkCompletedNormally(g, null);
1589	<	}
1583	>	checkCompletedWithWrappedCancellationException(h0);
1584	>	checkCompletedWithWrappedCancellationException(h1);
1585	>	checkCompletedWithWrappedCancellationException(h2);
1586	>	checkCompletedWithWrappedCancellationException(h3);
1587	>	checkCancelled(f);
1588	>	for (IncFunction r : rs) r.assertNotInvoked();
1589	>	}}
1590
1591		/**
1592	<	* thenRunAsync result completes exceptionally after exceptional
1590	<	* completion of source
1592	>	* thenApply result completes exceptionally if action does
1593		*/
1594	<	public void testThenRunAsync2() {
1595	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1596	<	Noop r = new Noop();
1597	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1598	<	f.completeExceptionally(new CFException());
1599	<	try {
1600	<	g.join();
1599	<	shouldThrow();
1600	<	} catch (CompletionException success) {}
1601	<	checkCompletedWithWrappedCFException(g);
1602	<	}
1594	>	public void testThenApply_actionFailed() {
1595	>	for (ExecutionMode m : ExecutionMode.values())
1596	>	for (Integer v1 : new Integer[] { 1, null })
1597	>	{
1598	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1599	>	final FailingFunction[] rs = new FailingFunction[4];
1600	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1601
1602	<	/**
1603	<	* thenRunAsync result completes exceptionally if action does
1604	<	*/
1605	<	public void testThenRunAsync3() {
1606	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1607	<	FailingNoop r = new FailingNoop();
1608	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1609	<	f.complete(null);
1610	<	checkCompletedWithWrappedCFException(g);
1611	<	}
1602	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1603	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1604	>	assertTrue(f.complete(v1));
1605	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1606	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1607	>
1608	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1609	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1610	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1611	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1612	>	checkCompletedNormally(f, v1);
1613	>	}}
1614
1615		/**
1616	<	* thenRunAsync result completes exceptionally if source cancelled
1616	>	* thenAccept result completes normally after normal completion of source
1617		*/
1618	<	public void testThenRunAsync4() {
1619	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1620	<	Noop r = new Noop();
1621	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1622	<	assertTrue(f.cancel(true));
1623	<	checkCompletedWithWrappedCancellationException(g);
1624	<	}
1618	>	public void testThenAccept_normalCompletion() {
1619	>	for (ExecutionMode m : ExecutionMode.values())
1620	>	for (Integer v1 : new Integer[] { 1, null })
1621	>	{
1622	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1623	>	final NoopConsumer[] rs = new NoopConsumer[4];
1624	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1625
1626	<	/**
1627	<	* thenApplyAsync result completes normally after normal completion of source
1628	<	*/
1629	<	public void testThenApplyAsync() {
1630	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1631	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1632	<	f.complete(one);
1633	<	checkCompletedNormally(g, two);
1634	<	}
1626	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1627	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1628	>	checkIncomplete(h0);
1629	>	checkIncomplete(h1);
1630	>	assertTrue(f.complete(v1));
1631	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1632	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1633	>
1634	>	checkCompletedNormally(h0, null);
1635	>	checkCompletedNormally(h1, null);
1636	>	checkCompletedNormally(h2, null);
1637	>	checkCompletedNormally(h3, null);
1638	>	checkCompletedNormally(f, v1);
1639	>	for (NoopConsumer r : rs) r.assertValue(v1);
1640	>	}}
1641
1642		/**
1643	<	* thenApplyAsync result completes exceptionally after exceptional
1643	>	* thenAccept result completes exceptionally after exceptional
1644		* completion of source
1645		*/
1646	<	public void testThenApplyAsync2() {
1647	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1648	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1649	<	f.completeExceptionally(new CFException());
1650	<	checkCompletedWithWrappedCFException(g);
1651	<	}
1646	>	public void testThenAccept_exceptionalCompletion() {
1647	>	for (ExecutionMode m : ExecutionMode.values())
1648	>	{
1649	>	final CFException ex = new CFException();
1650	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1651	>	final NoopConsumer[] rs = new NoopConsumer[4];
1652	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1653
1654	<	/**
1655	<	* thenApplyAsync result completes exceptionally if action does
1656	<	*/
1657	<	public void testThenApplyAsync3() {
1658	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1659	<	FailingFunction r = new FailingFunction();
1660	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1661	<	f.complete(null);
1662	<	checkCompletedWithWrappedCFException(g);
1663	<	}
1654	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1655	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1656	>	assertTrue(f.completeExceptionally(ex));
1657	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1658	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1659	>
1660	>	checkCompletedWithWrappedException(h0, ex);
1661	>	checkCompletedWithWrappedException(h1, ex);
1662	>	checkCompletedWithWrappedException(h2, ex);
1663	>	checkCompletedWithWrappedException(h3, ex);
1664	>	checkCompletedExceptionally(f, ex);
1665	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1666	>	}}
1667
1668		/**
1669	<	* thenApplyAsync result completes exceptionally if source cancelled
1669	>	* thenAccept result completes exceptionally if source cancelled
1670		*/
1671	<	public void testThenApplyAsync4() {
1672	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1673	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1674	<	assertTrue(f.cancel(true));
1675	<	checkCompletedWithWrappedCancellationException(g);
1676	<	}
1671	>	public void testThenAccept_sourceCancelled() {
1672	>	for (ExecutionMode m : ExecutionMode.values())
1673	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1674	>	{
1675	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1676	>	final NoopConsumer[] rs = new NoopConsumer[4];
1677	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1678
1679	<	/**
1680	<	* thenAcceptAsync result completes normally after normal
1681	<	* completion of source
1682	<	*/
1683	<	public void testThenAcceptAsync() {
1673	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1674	<	IncAction r = new IncAction();
1675	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1676	<	f.complete(one);
1677	<	checkCompletedNormally(g, null);
1678	<	assertEquals(r.value, 2);
1679	<	}
1679	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1680	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1681	>	assertTrue(f.cancel(mayInterruptIfRunning));
1682	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1683	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1684
1685	<	/**
1686	<	* thenAcceptAsync result completes exceptionally after exceptional
1687	<	* completion of source
1688	<	*/
1689	<	public void testThenAcceptAsync2() {
1690	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1691	<	IncAction r = new IncAction();
1688	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1689	<	f.completeExceptionally(new CFException());
1690	<	checkCompletedWithWrappedCFException(g);
1691	<	}
1685	>	checkCompletedWithWrappedCancellationException(h0);
1686	>	checkCompletedWithWrappedCancellationException(h1);
1687	>	checkCompletedWithWrappedCancellationException(h2);
1688	>	checkCompletedWithWrappedCancellationException(h3);
1689	>	checkCancelled(f);
1690	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1691	>	}}
1692
1693		/**
1694	<	* thenAcceptAsync result completes exceptionally if action does
1694	>	* thenAccept result completes exceptionally if action does
1695		*/
1696	<	public void testThenAcceptAsync3() {
1697	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1698	<	FailingConsumer r = new FailingConsumer();
1699	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1700	<	f.complete(null);
1701	<	checkCompletedWithWrappedCFException(g);
1702	<	}
1696	>	public void testThenAccept_actionFailed() {
1697	>	for (ExecutionMode m : ExecutionMode.values())
1698	>	for (Integer v1 : new Integer[] { 1, null })
1699	>	{
1700	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1701	>	final FailingConsumer[] rs = new FailingConsumer[4];
1702	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1703
1704	<	/**
1705	<	* thenAcceptAsync result completes exceptionally if source cancelled
1706	<	*/
1707	<	public void testThenAcceptAsync4() {
1708	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1709	<	IncAction r = new IncAction();
1710	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1711	<	assertTrue(f.cancel(true));
1712	<	checkCompletedWithWrappedCancellationException(g);
1713	<	}
1704	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1705	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1706	>	assertTrue(f.complete(v1));
1707	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1708	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1709	>
1710	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1711	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1712	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1713	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1714	>	checkCompletedNormally(f, v1);
1715	>	}}
1716
1717		/**
1718	<	* thenCombineAsync result completes normally after normal
1719	<	* completion of sources
1718	>	* thenCombine result completes normally after normal completion
1719	>	* of sources
1720		*/
1721	<	public void testThenCombineAsync() {
1722	<	CompletableFuture<Integer> f, g, h;
1723	<
1724	<	f = new CompletableFuture<>();
1725	<	g = new CompletableFuture<>();
1726	<	h = f.thenCombineAsync(g, subtract);
1727	<	f.complete(3);
1728	<	checkIncomplete(h);
1729	<	g.complete(1);
1730	<	checkCompletedNormally(h, 2);
1721	>	public void testThenCombine_normalCompletion() {
1722	>	for (ExecutionMode m : ExecutionMode.values())
1723	>	for (boolean fFirst : new boolean[] { true, false })
1724	>	for (Integer v1 : new Integer[] { 1, null })
1725	>	for (Integer v2 : new Integer[] { 2, null })
1726	>	{
1727	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1728	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1729	>	final SubtractFunction[] rs = new SubtractFunction[6];
1730	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1731
1732	<	f = new CompletableFuture<>();
1733	<	g = new CompletableFuture<>();
1734	<	h = f.thenCombineAsync(g, subtract);
1735	<	g.complete(1);
1736	<	checkIncomplete(h);
1737	<	f.complete(3);
1738	<	checkCompletedNormally(h, 2);
1732	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1733	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1734	>	final Integer w1 =  fFirst ? v1 : v2;
1735	>	final Integer w2 = !fFirst ? v1 : v2;
1736	>
1737	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1738	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1739	>	assertTrue(fst.complete(w1));
1740	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1741	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1742	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1743	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1744	>	checkCompletedNormally(h1, subtract(w1, w1));
1745	>	checkCompletedNormally(h3, subtract(w1, w1));
1746	>	rs[1].assertValue(subtract(w1, w1));
1747	>	rs[3].assertValue(subtract(w1, w1));
1748	>	assertTrue(snd.complete(w2));
1749	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1750	>
1751	>	checkCompletedNormally(h0, subtract(v1, v2));
1752	>	checkCompletedNormally(h2, subtract(v1, v2));
1753	>	checkCompletedNormally(h4, subtract(v1, v2));
1754	>	rs[0].assertValue(subtract(v1, v2));
1755	>	rs[2].assertValue(subtract(v1, v2));
1756	>	rs[4].assertValue(subtract(v1, v2));
1757
1758	<	f = new CompletableFuture<>();
1759	<	g = new CompletableFuture<>();
1760	<	g.complete(1);
1741	<	f.complete(3);
1742	<	h = f.thenCombineAsync(g, subtract);
1743	<	checkCompletedNormally(h, 2);
1744	<	}
1758	>	checkCompletedNormally(f, v1);
1759	>	checkCompletedNormally(g, v2);
1760	>	}}
1761
1762		/**
1763	<	* thenCombineAsync result completes exceptionally after exceptional
1763	>	* thenCombine result completes exceptionally after exceptional
1764		* completion of either source
1765		*/
1766	<	public void testThenCombineAsync2() {
1767	<	CompletableFuture<Integer> f, g, h;
1768	<
1769	<	f = new CompletableFuture<>();
1770	<	g = new CompletableFuture<>();
1771	<	h = f.thenCombineAsync(g, subtract);
1772	<	f.completeExceptionally(new CFException());
1773	<	checkIncomplete(h);
1774	<	g.complete(1);
1775	<	checkCompletedWithWrappedCFException(h);
1776	<
1777	<	f = new CompletableFuture<>();
1778	<	g = new CompletableFuture<>();
1779	<	h = f.thenCombineAsync(g, subtract);
1780	<	g.completeExceptionally(new CFException());
1781	<	checkIncomplete(h);
1782	<	f.complete(3);
1783	<	checkCompletedWithWrappedCFException(h);
1784	<
1785	<	f = new CompletableFuture<>();
1786	<	g = new CompletableFuture<>();
1787	<	g.completeExceptionally(new CFException());
1788	<	f.complete(3);
1789	<	h = f.thenCombineAsync(g, subtract);
1790	<	checkCompletedWithWrappedCFException(h);
1791	<	}
1792	<
1793	<	/**
1794	<	* thenCombineAsync result completes exceptionally if action does
1795	<	*/
1796	<	public void testThenCombineAsync3() {
1797	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1798	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1799	<	FailingBiFunction r = new FailingBiFunction();
1800	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1801	<	f.complete(one);
1802	<	checkIncomplete(g);
1803	<	assertFalse(r.ran);
1804	<	f2.complete(two);
1789	<	checkCompletedWithWrappedCFException(g);
1790	<	assertTrue(r.ran);
1791	<	}
1792	<
1793	<	/**
1794	<	* thenCombineAsync result completes exceptionally if either source cancelled
1795	<	*/
1796	<	public void testThenCombineAsync4() {
1797	<	CompletableFuture<Integer> f, g, h;
1798	<
1799	<	f = new CompletableFuture<>();
1800	<	g = new CompletableFuture<>();
1801	<	h = f.thenCombineAsync(g, subtract);
1802	<	assertTrue(f.cancel(true));
1803	<	checkIncomplete(h);
1804	<	g.complete(1);
1805	<	checkCompletedWithWrappedCancellationException(h);
1806	<
1807	<	f = new CompletableFuture<>();
1808	<	g = new CompletableFuture<>();
1809	<	h = f.thenCombineAsync(g, subtract);
1810	<	assertTrue(g.cancel(true));
1811	<	checkIncomplete(h);
1812	<	f.complete(3);
1813	<	checkCompletedWithWrappedCancellationException(h);
1814	<
1815	<	f = new CompletableFuture<>();
1816	<	g = new CompletableFuture<>();
1817	<	g.complete(3);
1818	<	assertTrue(f.cancel(true));
1819	<	h = f.thenCombineAsync(g, subtract);
1820	<	checkCompletedWithWrappedCancellationException(h);
1821	<
1822	<	f = new CompletableFuture<>();
1823	<	g = new CompletableFuture<>();
1824	<	f.complete(3);
1825	<	assertTrue(g.cancel(true));
1826	<	h = f.thenCombineAsync(g, subtract);
1827	<	checkCompletedWithWrappedCancellationException(h);
1828	<	}
1829	<
1830	<	/**
1831	<	* thenAcceptBothAsync result completes normally after normal
1832	<	* completion of sources
1833	<	*/
1834	<	public void testThenAcceptBothAsync() {
1835	<	CompletableFuture<Integer> f, g;
1836	<	CompletableFuture<Void> h;
1837	<	SubtractAction r;
1838	<
1839	<	f = new CompletableFuture<>();
1840	<	g = new CompletableFuture<>();
1841	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1842	<	f.complete(3);
1843	<	checkIncomplete(h);
1844	<	g.complete(1);
1845	<	checkCompletedNormally(h, null);
1846	<	assertEquals(r.value, 2);
1847	<
1848	<	f = new CompletableFuture<>();
1849	<	g = new CompletableFuture<>();
1850	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1851	<	g.complete(1);
1852	<	checkIncomplete(h);
1853	<	f.complete(3);
1854	<	checkCompletedNormally(h, null);
1855	<	assertEquals(r.value, 2);
1856	<
1857	<	f = new CompletableFuture<>();
1858	<	g = new CompletableFuture<>();
1859	<	g.complete(1);
1860	<	f.complete(3);
1861	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1862	<	checkCompletedNormally(h, null);
1863	<	assertEquals(r.value, 2);
1864	<	}
1865	<
1866	<	/**
1867	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1868	<	* completion of source
1869	<	*/
1870	<	public void testThenAcceptBothAsync2() {
1871	<	CompletableFuture<Integer> f, g;
1872	<	CompletableFuture<Void> h;
1873	<	SubtractAction r;
1874	<
1875	<	f = new CompletableFuture<>();
1876	<	g = new CompletableFuture<>();
1877	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1878	<	f.completeExceptionally(new CFException());
1879	<	checkIncomplete(h);
1880	<	g.complete(1);
1881	<	checkCompletedWithWrappedCFException(h);
1882	<
1883	<	f = new CompletableFuture<>();
1884	<	g = new CompletableFuture<>();
1885	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1886	<	g.completeExceptionally(new CFException());
1887	<	checkIncomplete(h);
1888	<	f.complete(3);
1889	<	checkCompletedWithWrappedCFException(h);
1890	<
1891	<	f = new CompletableFuture<>();
1892	<	g = new CompletableFuture<>();
1893	<	f.complete(3);
1894	<	g.completeExceptionally(new CFException());
1895	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1896	<	checkCompletedWithWrappedCFException(h);
1897	<
1898	<	f = new CompletableFuture<>();
1899	<	g = new CompletableFuture<>();
1900	<	f.completeExceptionally(new CFException());
1901	<	g.complete(3);
1902	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1903	<	checkCompletedWithWrappedCFException(h);
1904	<	}
1766	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1767	>	for (ExecutionMode m : ExecutionMode.values())
1768	>	for (boolean fFirst : new boolean[] { true, false })
1769	>	for (boolean failFirst : new boolean[] { true, false })
1770	>	for (Integer v1 : new Integer[] { 1, null })
1771	>	{
1772	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1773	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1774	>	final CFException ex = new CFException();
1775	>	final SubtractFunction r1 = new SubtractFunction(m);
1776	>	final SubtractFunction r2 = new SubtractFunction(m);
1777	>	final SubtractFunction r3 = new SubtractFunction(m);
1778	>
1779	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1780	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1781	>	final Callable<Boolean> complete1 = failFirst ?
1782	>	() -> fst.completeExceptionally(ex) :
1783	>	() -> fst.complete(v1);
1784	>	final Callable<Boolean> complete2 = failFirst ?
1785	>	() -> snd.complete(v1) :
1786	>	() -> snd.completeExceptionally(ex);
1787	>
1788	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1789	>	assertTrue(complete1.call());
1790	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1791	>	checkIncomplete(h1);
1792	>	checkIncomplete(h2);
1793	>	assertTrue(complete2.call());
1794	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1795	>
1796	>	checkCompletedWithWrappedException(h1, ex);
1797	>	checkCompletedWithWrappedException(h2, ex);
1798	>	checkCompletedWithWrappedException(h3, ex);
1799	>	r1.assertNotInvoked();
1800	>	r2.assertNotInvoked();
1801	>	r3.assertNotInvoked();
1802	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1803	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1804	>	}}
1805
1806		/**
1807	<	* thenAcceptBothAsync result completes exceptionally if action does
1807	>	* thenCombine result completes exceptionally if either source cancelled
1808		*/
1809	<	public void testThenAcceptBothAsync3() {
1810	<	CompletableFuture<Integer> f, g;
1811	<	CompletableFuture<Void> h;
1812	<	FailingBiConsumer r;
1813	<
1814	<	f = new CompletableFuture<>();
1815	<	g = new CompletableFuture<>();
1816	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1817	<	f.complete(3);
1818	<	checkIncomplete(h);
1819	<	g.complete(1);
1820	<	checkCompletedWithWrappedCFException(h);
1821	<
1822	<	f = new CompletableFuture<>();
1823	<	g = new CompletableFuture<>();
1824	<	f.complete(3);
1825	<	g.complete(1);
1826	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1827	<	checkCompletedWithWrappedCFException(h);
1828	<	}
1809	>	public void testThenCombine_sourceCancelled() throws Throwable {
1810	>	for (ExecutionMode m : ExecutionMode.values())
1811	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1812	>	for (boolean fFirst : new boolean[] { true, false })
1813	>	for (boolean failFirst : new boolean[] { true, false })
1814	>	for (Integer v1 : new Integer[] { 1, null })
1815	>	{
1816	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1817	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1818	>	final SubtractFunction r1 = new SubtractFunction(m);
1819	>	final SubtractFunction r2 = new SubtractFunction(m);
1820	>	final SubtractFunction r3 = new SubtractFunction(m);
1821	>
1822	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1823	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1824	>	final Callable<Boolean> complete1 = failFirst ?
1825	>	() -> fst.cancel(mayInterruptIfRunning) :
1826	>	() -> fst.complete(v1);
1827	>	final Callable<Boolean> complete2 = failFirst ?
1828	>	() -> snd.complete(v1) :
1829	>	() -> snd.cancel(mayInterruptIfRunning);
1830	>
1831	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1832	>	assertTrue(complete1.call());
1833	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1834	>	checkIncomplete(h1);
1835	>	checkIncomplete(h2);
1836	>	assertTrue(complete2.call());
1837	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1838	>
1839	>	checkCompletedWithWrappedCancellationException(h1);
1840	>	checkCompletedWithWrappedCancellationException(h2);
1841	>	checkCompletedWithWrappedCancellationException(h3);
1842	>	r1.assertNotInvoked();
1843	>	r2.assertNotInvoked();
1844	>	r3.assertNotInvoked();
1845	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1846	>	checkCancelled(failFirst ? fst : snd);
1847	>	}}
1848
1849		/**
1850	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1850	>	* thenCombine result completes exceptionally if action does
1851		*/
1852	<	public void testThenAcceptBothAsync4() {
1853	<	CompletableFuture<Integer> f, g;
1854	<	CompletableFuture<Void> h;
1855	<	SubtractAction r;
1856	<
1857	<	f = new CompletableFuture<>();
1858	<	g = new CompletableFuture<>();
1859	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1860	<	assertTrue(f.cancel(true));
1861	<	checkIncomplete(h);
1862	<	g.complete(1);
1863	<	checkCompletedWithWrappedCancellationException(h);
1864	<
1865	<	f = new CompletableFuture<>();
1866	<	g = new CompletableFuture<>();
1867	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1868	<	assertTrue(g.cancel(true));
1869	<	checkIncomplete(h);
1870	<	f.complete(3);
1871	<	checkCompletedWithWrappedCancellationException(h);
1872	<
1873	<	f = new CompletableFuture<>();
1874	<	g = new CompletableFuture<>();
1875	<	f.complete(3);
1876	<	assertTrue(g.cancel(true));
1877	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1878	<	checkCompletedWithWrappedCancellationException(h);
1879	<
1880	<	f = new CompletableFuture<>();
1881	<	g = new CompletableFuture<>();
1882	<	assertTrue(f.cancel(true));
1883	<	g.complete(3);
1965	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1966	<	checkCompletedWithWrappedCancellationException(h);
1967	<	}
1852	>	public void testThenCombine_actionFailed() {
1853	>	for (ExecutionMode m : ExecutionMode.values())
1854	>	for (boolean fFirst : new boolean[] { true, false })
1855	>	for (Integer v1 : new Integer[] { 1, null })
1856	>	for (Integer v2 : new Integer[] { 2, null })
1857	>	{
1858	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1859	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1860	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1861	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1862	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1863	>
1864	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1865	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1866	>	final Integer w1 =  fFirst ? v1 : v2;
1867	>	final Integer w2 = !fFirst ? v1 : v2;
1868	>
1869	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1870	>	assertTrue(fst.complete(w1));
1871	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1872	>	assertTrue(snd.complete(w2));
1873	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1874	>
1875	>	checkCompletedWithWrappedException(h1, r1.ex);
1876	>	checkCompletedWithWrappedException(h2, r2.ex);
1877	>	checkCompletedWithWrappedException(h3, r3.ex);
1878	>	r1.assertInvoked();
1879	>	r2.assertInvoked();
1880	>	r3.assertInvoked();
1881	>	checkCompletedNormally(f, v1);
1882	>	checkCompletedNormally(g, v2);
1883	>	}}
1884
1885		/**
1886	<	* applyToEitherAsync result completes normally after normal
1886	>	* thenAcceptBoth result completes normally after normal
1887		* completion of sources
1888		*/
1889	<	public void testApplyToEitherAsync() {
1890	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1891	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1892	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1893	<	f.complete(one);
1894	<	checkCompletedNormally(g, two);
1895	<
1896	<	f = new CompletableFuture<>();
1897	<	f.complete(one);
1898	<	f2 = new CompletableFuture<>();
1899	<	g = f.applyToEitherAsync(f2, inc);
1900	<	checkCompletedNormally(g, two);
1901	<	}
1889	>	public void testThenAcceptBoth_normalCompletion() {
1890	>	for (ExecutionMode m : ExecutionMode.values())
1891	>	for (boolean fFirst : new boolean[] { true, false })
1892	>	for (Integer v1 : new Integer[] { 1, null })
1893	>	for (Integer v2 : new Integer[] { 2, null })
1894	>	{
1895	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1896	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1897	>	final SubtractAction r1 = new SubtractAction(m);
1898	>	final SubtractAction r2 = new SubtractAction(m);
1899	>	final SubtractAction r3 = new SubtractAction(m);
1900	>
1901	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1902	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1903	>	final Integer w1 =  fFirst ? v1 : v2;
1904	>	final Integer w2 = !fFirst ? v1 : v2;
1905	>
1906	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1907	>	assertTrue(fst.complete(w1));
1908	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1909	>	checkIncomplete(h1);
1910	>	checkIncomplete(h2);
1911	>	r1.assertNotInvoked();
1912	>	r2.assertNotInvoked();
1913	>	assertTrue(snd.complete(w2));
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915	>
1916	>	checkCompletedNormally(h1, null);
1917	>	checkCompletedNormally(h2, null);
1918	>	checkCompletedNormally(h3, null);
1919	>	r1.assertValue(subtract(v1, v2));
1920	>	r2.assertValue(subtract(v1, v2));
1921	>	r3.assertValue(subtract(v1, v2));
1922	>	checkCompletedNormally(f, v1);
1923	>	checkCompletedNormally(g, v2);
1924	>	}}
1925
1926		/**
1927	<	* applyToEitherAsync result completes exceptionally after exceptional
1928	<	* completion of source
1927	>	* thenAcceptBoth result completes exceptionally after exceptional
1928	>	* completion of either source
1929		*/
1930	<	public void testApplyToEitherAsync2() {
1931	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1932	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1933	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1934	<	f.completeExceptionally(new CFException());
1935	<	checkCompletedWithWrappedCFException(g);
1936	<
1937	<	f = new CompletableFuture<>();
1938	<	f2 = new CompletableFuture<>();
1939	<	f2.completeExceptionally(new CFException());
1940	<	g = f.applyToEitherAsync(f2, inc);
1941	<	f.complete(one);
1942	<	checkCompletedWithWrappedCFException(g);
1943	<	}
1930	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1931	>	for (ExecutionMode m : ExecutionMode.values())
1932	>	for (boolean fFirst : new boolean[] { true, false })
1933	>	for (boolean failFirst : new boolean[] { true, false })
1934	>	for (Integer v1 : new Integer[] { 1, null })
1935	>	{
1936	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1937	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1938	>	final CFException ex = new CFException();
1939	>	final SubtractAction r1 = new SubtractAction(m);
1940	>	final SubtractAction r2 = new SubtractAction(m);
1941	>	final SubtractAction r3 = new SubtractAction(m);
1942	>
1943	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1944	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1945	>	final Callable<Boolean> complete1 = failFirst ?
1946	>	() -> fst.completeExceptionally(ex) :
1947	>	() -> fst.complete(v1);
1948	>	final Callable<Boolean> complete2 = failFirst ?
1949	>	() -> snd.complete(v1) :
1950	>	() -> snd.completeExceptionally(ex);
1951	>
1952	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1953	>	assertTrue(complete1.call());
1954	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1955	>	checkIncomplete(h1);
1956	>	checkIncomplete(h2);
1957	>	assertTrue(complete2.call());
1958	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1959	>
1960	>	checkCompletedWithWrappedException(h1, ex);
1961	>	checkCompletedWithWrappedException(h2, ex);
1962	>	checkCompletedWithWrappedException(h3, ex);
1963	>	r1.assertNotInvoked();
1964	>	r2.assertNotInvoked();
1965	>	r3.assertNotInvoked();
1966	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1967	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1968	>	}}
1969
1970		/**
1971	<	* applyToEitherAsync result completes exceptionally if action does
1971	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1972		*/
1973	<	public void testApplyToEitherAsync3() {
1974	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1975	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1976	<	FailingFunction r = new FailingFunction();
1977	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1978	<	f.complete(one);
1979	<	checkCompletedWithWrappedCFException(g);
1980	<	}
1973	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1974	>	for (ExecutionMode m : ExecutionMode.values())
1975	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1976	>	for (boolean fFirst : new boolean[] { true, false })
1977	>	for (boolean failFirst : new boolean[] { true, false })
1978	>	for (Integer v1 : new Integer[] { 1, null })
1979	>	{
1980	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1981	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1982	>	final SubtractAction r1 = new SubtractAction(m);
1983	>	final SubtractAction r2 = new SubtractAction(m);
1984	>	final SubtractAction r3 = new SubtractAction(m);
1985	>
1986	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1987	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1988	>	final Callable<Boolean> complete1 = failFirst ?
1989	>	() -> fst.cancel(mayInterruptIfRunning) :
1990	>	() -> fst.complete(v1);
1991	>	final Callable<Boolean> complete2 = failFirst ?
1992	>	() -> snd.complete(v1) :
1993	>	() -> snd.cancel(mayInterruptIfRunning);
1994	>
1995	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1996	>	assertTrue(complete1.call());
1997	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1998	>	checkIncomplete(h1);
1999	>	checkIncomplete(h2);
2000	>	assertTrue(complete2.call());
2001	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2002	>
2003	>	checkCompletedWithWrappedCancellationException(h1);
2004	>	checkCompletedWithWrappedCancellationException(h2);
2005	>	checkCompletedWithWrappedCancellationException(h3);
2006	>	r1.assertNotInvoked();
2007	>	r2.assertNotInvoked();
2008	>	r3.assertNotInvoked();
2009	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2010	>	checkCancelled(failFirst ? fst : snd);
2011	>	}}
2012
2013		/**
2014	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2014	>	* thenAcceptBoth result completes exceptionally if action does
2015		*/
2016	<	public void testApplyToEitherAsync4() {
2017	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2018	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2019	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2020	<	assertTrue(f.cancel(true));
2021	<	checkCompletedWithWrappedCancellationException(g);
2022	<
2023	<	f = new CompletableFuture<>();
2024	<	f2 = new CompletableFuture<>();
2025	<	assertTrue(f2.cancel(true));
2026	<	g = f.applyToEitherAsync(f2, inc);
2027	<	checkCompletedWithWrappedCancellationException(g);
2028	<	}
2016	>	public void testThenAcceptBoth_actionFailed() {
2017	>	for (ExecutionMode m : ExecutionMode.values())
2018	>	for (boolean fFirst : new boolean[] { true, false })
2019	>	for (Integer v1 : new Integer[] { 1, null })
2020	>	for (Integer v2 : new Integer[] { 2, null })
2021	>	{
2022	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2023	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2024	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2025	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2026	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2027	>
2028	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2029	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2030	>	final Integer w1 =  fFirst ? v1 : v2;
2031	>	final Integer w2 = !fFirst ? v1 : v2;
2032	>
2033	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2034	>	assertTrue(fst.complete(w1));
2035	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2036	>	assertTrue(snd.complete(w2));
2037	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2038	>
2039	>	checkCompletedWithWrappedException(h1, r1.ex);
2040	>	checkCompletedWithWrappedException(h2, r2.ex);
2041	>	checkCompletedWithWrappedException(h3, r3.ex);
2042	>	r1.assertInvoked();
2043	>	r2.assertInvoked();
2044	>	r3.assertInvoked();
2045	>	checkCompletedNormally(f, v1);
2046	>	checkCompletedNormally(g, v2);
2047	>	}}
2048
2049		/**
2050	<	* acceptEitherAsync result completes normally after normal
2050	>	* runAfterBoth result completes normally after normal
2051		* completion of sources
2052		*/
2053	<	public void testAcceptEitherAsync() {
2054	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2055	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2056	<	IncAction r = new IncAction();
2057	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2058	<	f.complete(one);
2059	<	checkCompletedNormally(g, null);
2060	<	assertEquals(r.value, 2);
2061	<
2062	<	r = new IncAction();
2063	<	f = new CompletableFuture<>();
2064	<	f.complete(one);
2065	<	f2 = new CompletableFuture<>();
2066	<	g = f.acceptEitherAsync(f2, r);
2067	<	checkCompletedNormally(g, null);
2068	<	assertEquals(r.value, 2);
2069	<	}
2070	<
2071	<	/**
2072	<	* acceptEitherAsync result completes exceptionally after exceptional
2073	<	* completion of source
2074	<	*/
2075	<	public void testAcceptEitherAsync2() {
2076	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2077	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2078	<	IncAction r = new IncAction();
2079	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2080	<	f.completeExceptionally(new CFException());
2081	<	checkCompletedWithWrappedCFException(g);
2082	<
2083	<	r = new IncAction();
2084	<	f = new CompletableFuture<>();
2085	<	f2 = new CompletableFuture<>();
2086	<	f2.completeExceptionally(new CFException());
2087	<	g = f.acceptEitherAsync(f2, r);
2088	<	f.complete(one);
2075	<	checkCompletedWithWrappedCFException(g);
2076	<	}
2053	>	public void testRunAfterBoth_normalCompletion() {
2054	>	for (ExecutionMode m : ExecutionMode.values())
2055	>	for (boolean fFirst : new boolean[] { true, false })
2056	>	for (Integer v1 : new Integer[] { 1, null })
2057	>	for (Integer v2 : new Integer[] { 2, null })
2058	>	{
2059	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2060	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2061	>	final Noop r1 = new Noop(m);
2062	>	final Noop r2 = new Noop(m);
2063	>	final Noop r3 = new Noop(m);
2064	>
2065	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2066	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2067	>	final Integer w1 =  fFirst ? v1 : v2;
2068	>	final Integer w2 = !fFirst ? v1 : v2;
2069	>
2070	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2071	>	assertTrue(fst.complete(w1));
2072	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2073	>	checkIncomplete(h1);
2074	>	checkIncomplete(h2);
2075	>	r1.assertNotInvoked();
2076	>	r2.assertNotInvoked();
2077	>	assertTrue(snd.complete(w2));
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079	>
2080	>	checkCompletedNormally(h1, null);
2081	>	checkCompletedNormally(h2, null);
2082	>	checkCompletedNormally(h3, null);
2083	>	r1.assertInvoked();
2084	>	r2.assertInvoked();
2085	>	r3.assertInvoked();
2086	>	checkCompletedNormally(f, v1);
2087	>	checkCompletedNormally(g, v2);
2088	>	}}
2089
2090		/**
2091	<	* acceptEitherAsync result completes exceptionally if action does
2091	>	* runAfterBoth result completes exceptionally after exceptional
2092	>	* completion of either source
2093		*/
2094	<	public void testAcceptEitherAsync3() {
2095	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2096	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2097	<	FailingConsumer r = new FailingConsumer();
2098	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2099	<	f.complete(one);
2100	<	checkCompletedWithWrappedCFException(g);
2101	<	}
2094	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2095	>	for (ExecutionMode m : ExecutionMode.values())
2096	>	for (boolean fFirst : new boolean[] { true, false })
2097	>	for (boolean failFirst : new boolean[] { true, false })
2098	>	for (Integer v1 : new Integer[] { 1, null })
2099	>	{
2100	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2101	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2102	>	final CFException ex = new CFException();
2103	>	final Noop r1 = new Noop(m);
2104	>	final Noop r2 = new Noop(m);
2105	>	final Noop r3 = new Noop(m);
2106	>
2107	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2108	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2109	>	final Callable<Boolean> complete1 = failFirst ?
2110	>	() -> fst.completeExceptionally(ex) :
2111	>	() -> fst.complete(v1);
2112	>	final Callable<Boolean> complete2 = failFirst ?
2113	>	() -> snd.complete(v1) :
2114	>	() -> snd.completeExceptionally(ex);
2115	>
2116	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2117	>	assertTrue(complete1.call());
2118	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2119	>	checkIncomplete(h1);
2120	>	checkIncomplete(h2);
2121	>	assertTrue(complete2.call());
2122	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2123	>
2124	>	checkCompletedWithWrappedException(h1, ex);
2125	>	checkCompletedWithWrappedException(h2, ex);
2126	>	checkCompletedWithWrappedException(h3, ex);
2127	>	r1.assertNotInvoked();
2128	>	r2.assertNotInvoked();
2129	>	r3.assertNotInvoked();
2130	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2131	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2132	>	}}
2133
2134		/**
2135	<	* acceptEitherAsync result completes exceptionally if either
2092	<	* source cancelled
2135	>	* runAfterBoth result completes exceptionally if either source cancelled
2136		*/
2137	<	public void testAcceptEitherAsync4() {
2138	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2139	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2140	<	IncAction r = new IncAction();
2141	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2142	<	assertTrue(f.cancel(true));
2143	<	checkCompletedWithWrappedCancellationException(g);
2144	<
2145	<	r = new IncAction();
2146	<	f = new CompletableFuture<>();
2147	<	f2 = new CompletableFuture<>();
2148	<	assertTrue(f2.cancel(true));
2149	<	g = f.acceptEitherAsync(f2, r);
2150	<	checkCompletedWithWrappedCancellationException(g);
2151	<	}
2137	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2138	>	for (ExecutionMode m : ExecutionMode.values())
2139	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2140	>	for (boolean fFirst : new boolean[] { true, false })
2141	>	for (boolean failFirst : new boolean[] { true, false })
2142	>	for (Integer v1 : new Integer[] { 1, null })
2143	>	{
2144	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2145	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2146	>	final Noop r1 = new Noop(m);
2147	>	final Noop r2 = new Noop(m);
2148	>	final Noop r3 = new Noop(m);
2149	>
2150	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2151	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2152	>	final Callable<Boolean> complete1 = failFirst ?
2153	>	() -> fst.cancel(mayInterruptIfRunning) :
2154	>	() -> fst.complete(v1);
2155	>	final Callable<Boolean> complete2 = failFirst ?
2156	>	() -> snd.complete(v1) :
2157	>	() -> snd.cancel(mayInterruptIfRunning);
2158	>
2159	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2160	>	assertTrue(complete1.call());
2161	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2162	>	checkIncomplete(h1);
2163	>	checkIncomplete(h2);
2164	>	assertTrue(complete2.call());
2165	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2166	>
2167	>	checkCompletedWithWrappedCancellationException(h1);
2168	>	checkCompletedWithWrappedCancellationException(h2);
2169	>	checkCompletedWithWrappedCancellationException(h3);
2170	>	r1.assertNotInvoked();
2171	>	r2.assertNotInvoked();
2172	>	r3.assertNotInvoked();
2173	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2174	>	checkCancelled(failFirst ? fst : snd);
2175	>	}}
2176
2177		/**
2178	<	* runAfterEitherAsync result completes normally after normal
2112	<	* completion of sources
2178	>	* runAfterBoth result completes exceptionally if action does
2179		*/
2180	<	public void testRunAfterEitherAsync() {
2181	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2182	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2183	<	Noop r = new Noop();
2184	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2185	<	f.complete(one);
2186	<	checkCompletedNormally(g, null);
2187	<	assertTrue(r.ran);
2188	<
2189	<	r = new Noop();
2190	<	f = new CompletableFuture<>();
2191	<	f.complete(one);
2192	<	f2 = new CompletableFuture<>();
2193	<	g = f.runAfterEitherAsync(f2, r);
2194	<	checkCompletedNormally(g, null);
2195	<	assertTrue(r.ran);
2196	<	}
2180	>	public void testRunAfterBoth_actionFailed() {
2181	>	for (ExecutionMode m : ExecutionMode.values())
2182	>	for (boolean fFirst : new boolean[] { true, false })
2183	>	for (Integer v1 : new Integer[] { 1, null })
2184	>	for (Integer v2 : new Integer[] { 2, null })
2185	>	{
2186	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2187	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2188	>	final FailingRunnable r1 = new FailingRunnable(m);
2189	>	final FailingRunnable r2 = new FailingRunnable(m);
2190	>	final FailingRunnable r3 = new FailingRunnable(m);
2191	>
2192	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2193	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2194	>	final Integer w1 =  fFirst ? v1 : v2;
2195	>	final Integer w2 = !fFirst ? v1 : v2;
2196	>
2197	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2198	>	assertTrue(fst.complete(w1));
2199	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2200	>	assertTrue(snd.complete(w2));
2201	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2202	>
2203	>	checkCompletedWithWrappedException(h1, r1.ex);
2204	>	checkCompletedWithWrappedException(h2, r2.ex);
2205	>	checkCompletedWithWrappedException(h3, r3.ex);
2206	>	r1.assertInvoked();
2207	>	r2.assertInvoked();
2208	>	r3.assertInvoked();
2209	>	checkCompletedNormally(f, v1);
2210	>	checkCompletedNormally(g, v2);
2211	>	}}
2212
2213		/**
2214	<	* runAfterEitherAsync result completes exceptionally after exceptional
2215	<	* completion of source
2214	>	* applyToEither result completes normally after normal completion
2215	>	* of either source
2216		*/
2217	<	public void testRunAfterEitherAsync2() {
2218	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2219	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2220	<	Noop r = new Noop();
2221	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2222	<	f.completeExceptionally(new CFException());
2223	<	checkCompletedWithWrappedCFException(g);
2224	<
2225	<	r = new Noop();
2145	<	f = new CompletableFuture<>();
2146	<	f2 = new CompletableFuture<>();
2147	<	f2.completeExceptionally(new CFException());
2148	<	g = f.runAfterEitherAsync(f2, r);
2149	<	f.complete(one);
2150	<	checkCompletedWithWrappedCFException(g);
2151	<	}
2217	>	public void testApplyToEither_normalCompletion() {
2218	>	for (ExecutionMode m : ExecutionMode.values())
2219	>	for (Integer v1 : new Integer[] { 1, null })
2220	>	for (Integer v2 : new Integer[] { 2, null })
2221	>	{
2222	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2223	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2224	>	final IncFunction[] rs = new IncFunction[6];
2225	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2226
2227	<	/**
2228	<	* runAfterEitherAsync result completes exceptionally if action does
2229	<	*/
2230	<	public void testRunAfterEitherAsync3() {
2231	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2232	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2233	<	FailingNoop r = new FailingNoop();
2234	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2235	<	f.complete(one);
2236	<	checkCompletedWithWrappedCFException(g);
2237	<	}
2227	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2228	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2229	>	checkIncomplete(h0);
2230	>	checkIncomplete(h1);
2231	>	rs[0].assertNotInvoked();
2232	>	rs[1].assertNotInvoked();
2233	>	f.complete(v1);
2234	>	checkCompletedNormally(h0, inc(v1));
2235	>	checkCompletedNormally(h1, inc(v1));
2236	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2237	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2238	>	checkCompletedNormally(h2, inc(v1));
2239	>	checkCompletedNormally(h3, inc(v1));
2240	>	g.complete(v2);
2241
2242	<	/**
2243	<	* runAfterEitherAsync result completes exceptionally if either
2244	<	* source cancelled
2245	<	*/
2246	<	public void testRunAfterEitherAsync4() {
2247	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2248	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2249	<	Noop r = new Noop();
2250	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2174	<	assertTrue(f.cancel(true));
2175	<	checkCompletedWithWrappedCancellationException(g);
2242	>	// unspecified behavior - both source completions available
2243	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2244	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2245	>	rs[4].assertValue(h4.join());
2246	>	rs[5].assertValue(h5.join());
2247	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2248	>	Objects.equals(inc(v2), h4.join()));
2249	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2250	>	Objects.equals(inc(v2), h5.join()));
2251
2252	<	r = new Noop();
2253	<	f = new CompletableFuture<>();
2254	<	f2 = new CompletableFuture<>();
2255	<	assertTrue(f2.cancel(true));
2256	<	g = f.runAfterEitherAsync(f2, r);
2257	<	checkCompletedWithWrappedCancellationException(g);
2258	<	}
2252	>	checkCompletedNormally(f, v1);
2253	>	checkCompletedNormally(g, v2);
2254	>	checkCompletedNormally(h0, inc(v1));
2255	>	checkCompletedNormally(h1, inc(v1));
2256	>	checkCompletedNormally(h2, inc(v1));
2257	>	checkCompletedNormally(h3, inc(v1));
2258	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2259	>	}}
2260
2261		/**
2262	<	* thenComposeAsync result completes normally after normal
2263	<	* completion of source
2262	>	* applyToEither result completes exceptionally after exceptional
2263	>	* completion of either source
2264		*/
2265	<	public void testThenComposeAsync() {
2266	<	CompletableFuture<Integer> f, g;
2267	<	CompletableFutureInc r;
2268	<
2269	<	f = new CompletableFuture<>();
2270	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2271	<	f.complete(one);
2272	<	checkCompletedNormally(g, two);
2265	>	public void testApplyToEither_exceptionalCompletion() {
2266	>	for (ExecutionMode m : ExecutionMode.values())
2267	>	for (Integer v1 : new Integer[] { 1, null })
2268	>	{
2269	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2270	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2271	>	final CFException ex = new CFException();
2272	>	final IncFunction[] rs = new IncFunction[6];
2273	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2274
2275	<	f = new CompletableFuture<>();
2276	<	f.complete(one);
2277	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2278	<	checkCompletedNormally(g, two);
2279	<	}
2275	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2276	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2277	>	checkIncomplete(h0);
2278	>	checkIncomplete(h1);
2279	>	rs[0].assertNotInvoked();
2280	>	rs[1].assertNotInvoked();
2281	>	f.completeExceptionally(ex);
2282	>	checkCompletedWithWrappedException(h0, ex);
2283	>	checkCompletedWithWrappedException(h1, ex);
2284	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2285	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2286	>	checkCompletedWithWrappedException(h2, ex);
2287	>	checkCompletedWithWrappedException(h3, ex);
2288	>	g.complete(v1);
2289
2290	<	/**
2291	<	* thenComposeAsync result completes exceptionally after
2292	<	* exceptional completion of source
2293	<	*/
2294	<	public void testThenComposeAsync2() {
2295	<	CompletableFuture<Integer> f, g;
2296	<	CompletableFutureInc r;
2290	>	// unspecified behavior - both source completions available
2291	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2292	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2293	>	try {
2294	>	assertEquals(inc(v1), h4.join());
2295	>	rs[4].assertValue(inc(v1));
2296	>	} catch (CompletionException ok) {
2297	>	checkCompletedWithWrappedException(h4, ex);
2298	>	rs[4].assertNotInvoked();
2299	>	}
2300	>	try {
2301	>	assertEquals(inc(v1), h5.join());
2302	>	rs[5].assertValue(inc(v1));
2303	>	} catch (CompletionException ok) {
2304	>	checkCompletedWithWrappedException(h5, ex);
2305	>	rs[5].assertNotInvoked();
2306	>	}
2307
2308	<	f = new CompletableFuture<>();
2309	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2310	<	f.completeExceptionally(new CFException());
2311	<	checkCompletedWithWrappedCFException(g);
2312	<	assertFalse(r.ran);
2308	>	checkCompletedExceptionally(f, ex);
2309	>	checkCompletedNormally(g, v1);
2310	>	checkCompletedWithWrappedException(h0, ex);
2311	>	checkCompletedWithWrappedException(h1, ex);
2312	>	checkCompletedWithWrappedException(h2, ex);
2313	>	checkCompletedWithWrappedException(h3, ex);
2314	>	checkCompletedWithWrappedException(h4, ex);
2315	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2316	>	}}
2317
2318	<	f = new CompletableFuture<>();
2319	<	f.completeExceptionally(new CFException());
2320	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2321	<	checkCompletedWithWrappedCFException(g);
2322	<	assertFalse(r.ran);
2323	<	}
2318	>	public void testApplyToEither_exceptionalCompletion2() {
2319	>	for (ExecutionMode m : ExecutionMode.values())
2320	>	for (boolean fFirst : new boolean[] { true, false })
2321	>	for (Integer v1 : new Integer[] { 1, null })
2322	>	{
2323	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2324	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2325	>	final CFException ex = new CFException();
2326	>	final IncFunction[] rs = new IncFunction[6];
2327	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2328
2329	<	/**
2330	<	* thenComposeAsync result completes exceptionally if action does
2331	<	*/
2332	<	public void testThenComposeAsync3() {
2333	<	CompletableFuture<Integer> f, g;
2334	<	FailingCompletableFutureFunction r;
2329	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2330	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2331	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2332	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2333	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2334	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2335
2336	<	f = new CompletableFuture<>();
2337	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2338	<	f.complete(one);
2339	<	checkCompletedWithWrappedCFException(g);
2336	>	// unspecified behavior - both source completions available
2337	>	try {
2338	>	assertEquals(inc(v1), h0.join());
2339	>	rs[0].assertValue(inc(v1));
2340	>	} catch (CompletionException ok) {
2341	>	checkCompletedWithWrappedException(h0, ex);
2342	>	rs[0].assertNotInvoked();
2343	>	}
2344	>	try {
2345	>	assertEquals(inc(v1), h1.join());
2346	>	rs[1].assertValue(inc(v1));
2347	>	} catch (CompletionException ok) {
2348	>	checkCompletedWithWrappedException(h1, ex);
2349	>	rs[1].assertNotInvoked();
2350	>	}
2351	>	try {
2352	>	assertEquals(inc(v1), h2.join());
2353	>	rs[2].assertValue(inc(v1));
2354	>	} catch (CompletionException ok) {
2355	>	checkCompletedWithWrappedException(h2, ex);
2356	>	rs[2].assertNotInvoked();
2357	>	}
2358	>	try {
2359	>	assertEquals(inc(v1), h3.join());
2360	>	rs[3].assertValue(inc(v1));
2361	>	} catch (CompletionException ok) {
2362	>	checkCompletedWithWrappedException(h3, ex);
2363	>	rs[3].assertNotInvoked();
2364	>	}
2365
2366	<	f = new CompletableFuture<>();
2367	<	f.complete(one);
2368	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2240	<	checkCompletedWithWrappedCFException(g);
2241	<	}
2366	>	checkCompletedNormally(f, v1);
2367	>	checkCompletedExceptionally(g, ex);
2368	>	}}
2369
2370		/**
2371	<	* thenComposeAsync result completes exceptionally if source cancelled
2371	>	* applyToEither result completes exceptionally if either source cancelled
2372		*/
2373	<	public void testThenComposeAsync4() {
2374	<	CompletableFuture<Integer> f, g;
2375	<	CompletableFutureInc r;
2373	>	public void testApplyToEither_sourceCancelled() {
2374	>	for (ExecutionMode m : ExecutionMode.values())
2375	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2376	>	for (Integer v1 : new Integer[] { 1, null })
2377	>	{
2378	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2379	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2380	>	final IncFunction[] rs = new IncFunction[6];
2381	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2382
2383	<	f = new CompletableFuture<>();
2384	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2385	<	assertTrue(f.cancel(true));
2386	<	checkCompletedWithWrappedCancellationException(g);
2383	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2384	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2385	>	checkIncomplete(h0);
2386	>	checkIncomplete(h1);
2387	>	rs[0].assertNotInvoked();
2388	>	rs[1].assertNotInvoked();
2389	>	f.cancel(mayInterruptIfRunning);
2390	>	checkCompletedWithWrappedCancellationException(h0);
2391	>	checkCompletedWithWrappedCancellationException(h1);
2392	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2393	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2394	>	checkCompletedWithWrappedCancellationException(h2);
2395	>	checkCompletedWithWrappedCancellationException(h3);
2396	>	g.complete(v1);
2397
2398	<	f = new CompletableFuture<>();
2399	<	assertTrue(f.cancel(true));
2400	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2401	<	checkCompletedWithWrappedCancellationException(g);
2402	<	}
2398	>	// unspecified behavior - both source completions available
2399	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2400	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2401	>	try {
2402	>	assertEquals(inc(v1), h4.join());
2403	>	rs[4].assertValue(inc(v1));
2404	>	} catch (CompletionException ok) {
2405	>	checkCompletedWithWrappedCancellationException(h4);
2406	>	rs[4].assertNotInvoked();
2407	>	}
2408	>	try {
2409	>	assertEquals(inc(v1), h5.join());
2410	>	rs[5].assertValue(inc(v1));
2411	>	} catch (CompletionException ok) {
2412	>	checkCompletedWithWrappedCancellationException(h5);
2413	>	rs[5].assertNotInvoked();
2414	>	}
2415
2416	<	// async with explicit executors
2416	>	checkCancelled(f);
2417	>	checkCompletedNormally(g, v1);
2418	>	checkCompletedWithWrappedCancellationException(h0);
2419	>	checkCompletedWithWrappedCancellationException(h1);
2420	>	checkCompletedWithWrappedCancellationException(h2);
2421	>	checkCompletedWithWrappedCancellationException(h3);
2422	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2423	>	}}
2424
2425	<	/**
2426	<	* thenRunAsync result completes normally after normal completion of source
2427	<	*/
2428	<	public void testThenRunAsyncE() {
2429	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2430	<	Noop r = new Noop();
2431	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2432	<	f.complete(null);
2433	<	checkCompletedNormally(g, null);
2425	>	public void testApplyToEither_sourceCancelled2() {
2426	>	for (ExecutionMode m : ExecutionMode.values())
2427	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2428	>	for (boolean fFirst : new boolean[] { true, false })
2429	>	for (Integer v1 : new Integer[] { 1, null })
2430	>	{
2431	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2432	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2433	>	final IncFunction[] rs = new IncFunction[6];
2434	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2435
2436	<	// reordered version
2437	<	f = new CompletableFuture<>();
2438	<	f.complete(null);
2439	<	r = new Noop();
2440	<	g = f.thenRunAsync(r, new ThreadExecutor());
2441	<	checkCompletedNormally(g, null);
2279	<	}
2436	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2437	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2438	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2439	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2440	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2441	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2442
2443	<	/**
2282	<	* thenRunAsync result completes exceptionally after exceptional
2283	<	* completion of source
2284	<	*/
2285	<	public void testThenRunAsync2E() {
2286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2287	<	Noop r = new Noop();
2288	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2289	<	f.completeExceptionally(new CFException());
2443	>	// unspecified behavior - both source completions available
2444		try {
2445	<	g.join();
2446	<	shouldThrow();
2447	<	} catch (CompletionException success) {}
2448	<	checkCompletedWithWrappedCFException(g);
2449	<	}
2445	>	assertEquals(inc(v1), h0.join());
2446	>	rs[0].assertValue(inc(v1));
2447	>	} catch (CompletionException ok) {
2448	>	checkCompletedWithWrappedCancellationException(h0);
2449	>	rs[0].assertNotInvoked();
2450	>	}
2451	>	try {
2452	>	assertEquals(inc(v1), h1.join());
2453	>	rs[1].assertValue(inc(v1));
2454	>	} catch (CompletionException ok) {
2455	>	checkCompletedWithWrappedCancellationException(h1);
2456	>	rs[1].assertNotInvoked();
2457	>	}
2458	>	try {
2459	>	assertEquals(inc(v1), h2.join());
2460	>	rs[2].assertValue(inc(v1));
2461	>	} catch (CompletionException ok) {
2462	>	checkCompletedWithWrappedCancellationException(h2);
2463	>	rs[2].assertNotInvoked();
2464	>	}
2465	>	try {
2466	>	assertEquals(inc(v1), h3.join());
2467	>	rs[3].assertValue(inc(v1));
2468	>	} catch (CompletionException ok) {
2469	>	checkCompletedWithWrappedCancellationException(h3);
2470	>	rs[3].assertNotInvoked();
2471	>	}
2472
2473	<	/**
2474	<	* thenRunAsync result completes exceptionally if action does
2475	<	*/
2300	<	public void testThenRunAsync3E() {
2301	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2302	<	FailingNoop r = new FailingNoop();
2303	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2304	<	f.complete(null);
2305	<	checkCompletedWithWrappedCFException(g);
2306	<	}
2473	>	checkCompletedNormally(f, v1);
2474	>	checkCancelled(g);
2475	>	}}
2476
2477		/**
2478	<	* thenRunAsync result completes exceptionally if source cancelled
2478	>	* applyToEither result completes exceptionally if action does
2479		*/
2480	<	public void testThenRunAsync4E() {
2481	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2482	<	Noop r = new Noop();
2483	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2484	<	assertTrue(f.cancel(true));
2485	<	checkCompletedWithWrappedCancellationException(g);
2486	<	}
2480	>	public void testApplyToEither_actionFailed() {
2481	>	for (ExecutionMode m : ExecutionMode.values())
2482	>	for (Integer v1 : new Integer[] { 1, null })
2483	>	for (Integer v2 : new Integer[] { 2, null })
2484	>	{
2485	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2486	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2487	>	final FailingFunction[] rs = new FailingFunction[6];
2488	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2489
2490	<	/**
2491	<	* thenApplyAsync result completes normally after normal completion of source
2492	<	*/
2493	<	public void testThenApplyAsyncE() {
2494	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2495	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2496	<	f.complete(one);
2497	<	checkCompletedNormally(g, two);
2498	<	}
2490	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2491	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2492	>	f.complete(v1);
2493	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2494	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2495	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2496	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2497	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2498	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2499	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2500
2501	<	/**
2330	<	* thenApplyAsync result completes exceptionally after exceptional
2331	<	* completion of source
2332	<	*/
2333	<	public void testThenApplyAsync2E() {
2334	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2335	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2336	<	f.completeExceptionally(new CFException());
2337	<	checkCompletedWithWrappedCFException(g);
2338	<	}
2501	>	g.complete(v2);
2502
2503	<	/**
2504	<	* thenApplyAsync result completes exceptionally if action does
2505	<	*/
2506	<	public void testThenApplyAsync3E() {
2507	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2508	<	FailingFunction r = new FailingFunction();
2509	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2510	<	f.complete(null);
2511	<	checkCompletedWithWrappedCFException(g);
2512	<	}
2503	>	// unspecified behavior - both source completions available
2504	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2505	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2506	>
2507	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2508	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2509	>	Objects.equals(v2, rs[4].value));
2510	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2511	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2512	>	Objects.equals(v2, rs[5].value));
2513
2514	<	/**
2515	<	* thenApplyAsync result completes exceptionally if source cancelled
2516	<	*/
2354	<	public void testThenApplyAsync4E() {
2355	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2356	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2357	<	assertTrue(f.cancel(true));
2358	<	checkCompletedWithWrappedCancellationException(g);
2359	<	}
2514	>	checkCompletedNormally(f, v1);
2515	>	checkCompletedNormally(g, v2);
2516	>	}}
2517
2518		/**
2519	<	* thenAcceptAsync result completes normally after normal
2520	<	* completion of source
2519	>	* acceptEither result completes normally after normal completion
2520	>	* of either source
2521		*/
2522	<	public void testThenAcceptAsyncE() {
2523	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2524	<	IncAction r = new IncAction();
2525	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2526	<	f.complete(one);
2527	<	checkCompletedNormally(g, null);
2528	<	assertEquals(r.value, 2);
2529	<	}
2522	>	public void testAcceptEither_normalCompletion() {
2523	>	for (ExecutionMode m : ExecutionMode.values())
2524	>	for (Integer v1 : new Integer[] { 1, null })
2525	>	for (Integer v2 : new Integer[] { 2, null })
2526	>	{
2527	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2528	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2529	>	final NoopConsumer[] rs = new NoopConsumer[6];
2530	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2531
2532	<	/**
2533	<	* thenAcceptAsync result completes exceptionally after exceptional
2534	<	* completion of source
2535	<	*/
2536	<	public void testThenAcceptAsync2E() {
2537	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2538	<	IncAction r = new IncAction();
2539	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2540	<	f.completeExceptionally(new CFException());
2541	<	checkCompletedWithWrappedCFException(g);
2542	<	}
2532	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2533	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2534	>	checkIncomplete(h0);
2535	>	checkIncomplete(h1);
2536	>	rs[0].assertNotInvoked();
2537	>	rs[1].assertNotInvoked();
2538	>	f.complete(v1);
2539	>	checkCompletedNormally(h0, null);
2540	>	checkCompletedNormally(h1, null);
2541	>	rs[0].assertValue(v1);
2542	>	rs[1].assertValue(v1);
2543	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2544	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2545	>	checkCompletedNormally(h2, null);
2546	>	checkCompletedNormally(h3, null);
2547	>	rs[2].assertValue(v1);
2548	>	rs[3].assertValue(v1);
2549	>	g.complete(v2);
2550
2551	<	/**
2552	<	* thenAcceptAsync result completes exceptionally if action does
2553	<	*/
2554	<	public void testThenAcceptAsync3E() {
2555	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2556	<	FailingConsumer r = new FailingConsumer();
2557	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2558	<	f.complete(null);
2559	<	checkCompletedWithWrappedCFException(g);
2395	<	}
2551	>	// unspecified behavior - both source completions available
2552	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2553	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2554	>	checkCompletedNormally(h4, null);
2555	>	checkCompletedNormally(h5, null);
2556	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2557	>	Objects.equals(v2, rs[4].value));
2558	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2559	>	Objects.equals(v2, rs[5].value));
2560
2561	<	/**
2562	<	* thenAcceptAsync result completes exceptionally if source cancelled
2563	<	*/
2564	<	public void testThenAcceptAsync4E() {
2565	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2566	<	IncAction r = new IncAction();
2567	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2568	<	assertTrue(f.cancel(true));
2405	<	checkCompletedWithWrappedCancellationException(g);
2406	<	}
2561	>	checkCompletedNormally(f, v1);
2562	>	checkCompletedNormally(g, v2);
2563	>	checkCompletedNormally(h0, null);
2564	>	checkCompletedNormally(h1, null);
2565	>	checkCompletedNormally(h2, null);
2566	>	checkCompletedNormally(h3, null);
2567	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2568	>	}}
2569
2570		/**
2571	<	* thenCombineAsync result completes normally after normal
2572	<	* completion of sources
2571	>	* acceptEither result completes exceptionally after exceptional
2572	>	* completion of either source
2573		*/
2574	<	public void testThenCombineAsyncE() {
2575	<	CompletableFuture<Integer> f, g, h;
2576	<	ThreadExecutor e = new ThreadExecutor();
2577	<	int count = 0;
2578	<
2579	<	f = new CompletableFuture<>();
2580	<	g = new CompletableFuture<>();
2581	<	h = f.thenCombineAsync(g, subtract, e);
2582	<	f.complete(3);
2421	<	checkIncomplete(h);
2422	<	g.complete(1);
2423	<	checkCompletedNormally(h, 2);
2424	<	assertEquals(++count, e.count.get());
2574	>	public void testAcceptEither_exceptionalCompletion() {
2575	>	for (ExecutionMode m : ExecutionMode.values())
2576	>	for (Integer v1 : new Integer[] { 1, null })
2577	>	{
2578	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2579	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2580	>	final CFException ex = new CFException();
2581	>	final NoopConsumer[] rs = new NoopConsumer[6];
2582	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2583
2584	<	f = new CompletableFuture<>();
2585	<	g = new CompletableFuture<>();
2586	<	h = f.thenCombineAsync(g, subtract, e);
2587	<	g.complete(1);
2588	<	checkIncomplete(h);
2589	<	f.complete(3);
2590	<	checkCompletedNormally(h, 2);
2591	<	assertEquals(++count, e.count.get());
2584	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2585	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2586	>	checkIncomplete(h0);
2587	>	checkIncomplete(h1);
2588	>	rs[0].assertNotInvoked();
2589	>	rs[1].assertNotInvoked();
2590	>	f.completeExceptionally(ex);
2591	>	checkCompletedWithWrappedException(h0, ex);
2592	>	checkCompletedWithWrappedException(h1, ex);
2593	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2594	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2595	>	checkCompletedWithWrappedException(h2, ex);
2596	>	checkCompletedWithWrappedException(h3, ex);
2597
2598	<	f = new CompletableFuture<>();
2436	<	g = new CompletableFuture<>();
2437	<	g.complete(1);
2438	<	f.complete(3);
2439	<	h = f.thenCombineAsync(g, subtract, e);
2440	<	checkCompletedNormally(h, 2);
2441	<	assertEquals(++count, e.count.get());
2442	<	}
2598	>	g.complete(v1);
2599
2600	<	/**
2601	<	* thenCombineAsync result completes exceptionally after exceptional
2602	<	* completion of either source
2603	<	*/
2604	<	public void testThenCombineAsync2E() {
2605	<	CompletableFuture<Integer> f, g, h;
2606	<	ThreadExecutor e = new ThreadExecutor();
2607	<	int count = 0;
2600	>	// unspecified behavior - both source completions available
2601	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2602	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2603	>	try {
2604	>	assertNull(h4.join());
2605	>	rs[4].assertValue(v1);
2606	>	} catch (CompletionException ok) {
2607	>	checkCompletedWithWrappedException(h4, ex);
2608	>	rs[4].assertNotInvoked();
2609	>	}
2610	>	try {
2611	>	assertNull(h5.join());
2612	>	rs[5].assertValue(v1);
2613	>	} catch (CompletionException ok) {
2614	>	checkCompletedWithWrappedException(h5, ex);
2615	>	rs[5].assertNotInvoked();
2616	>	}
2617
2618	<	f = new CompletableFuture<>();
2619	<	g = new CompletableFuture<>();
2620	<	h = f.thenCombineAsync(g, subtract, e);
2621	<	f.completeExceptionally(new CFException());
2622	<	checkIncomplete(h);
2623	<	g.complete(1);
2624	<	checkCompletedWithWrappedCFException(h);
2618	>	checkCompletedExceptionally(f, ex);
2619	>	checkCompletedNormally(g, v1);
2620	>	checkCompletedWithWrappedException(h0, ex);
2621	>	checkCompletedWithWrappedException(h1, ex);
2622	>	checkCompletedWithWrappedException(h2, ex);
2623	>	checkCompletedWithWrappedException(h3, ex);
2624	>	checkCompletedWithWrappedException(h4, ex);
2625	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2626	>	}}
2627
2628	<	f = new CompletableFuture<>();
2629	<	g = new CompletableFuture<>();
2630	<	h = f.thenCombineAsync(g, subtract, e);
2631	<	g.completeExceptionally(new CFException());
2632	<	checkIncomplete(h);
2633	<	f.complete(3);
2634	<	checkCompletedWithWrappedCFException(h);
2628	>	public void testAcceptEither_exceptionalCompletion2() {
2629	>	for (ExecutionMode m : ExecutionMode.values())
2630	>	for (boolean fFirst : new boolean[] { true, false })
2631	>	for (Integer v1 : new Integer[] { 1, null })
2632	>	{
2633	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2634	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2635	>	final CFException ex = new CFException();
2636	>	final NoopConsumer[] rs = new NoopConsumer[6];
2637	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2638
2639	<	f = new CompletableFuture<>();
2640	<	g = new CompletableFuture<>();
2641	<	g.completeExceptionally(new CFException());
2642	<	h = f.thenCombineAsync(g, subtract, e);
2643	<	checkIncomplete(h);
2644	<	f.complete(3);
2475	<	checkCompletedWithWrappedCFException(h);
2639	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2640	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2641	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2642	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2643	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2644	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2645
2646	<	assertEquals(0, e.count.get());
2647	<	}
2646	>	// unspecified behavior - both source completions available
2647	>	try {
2648	>	assertNull(h0.join());
2649	>	rs[0].assertValue(v1);
2650	>	} catch (CompletionException ok) {
2651	>	checkCompletedWithWrappedException(h0, ex);
2652	>	rs[0].assertNotInvoked();
2653	>	}
2654	>	try {
2655	>	assertNull(h1.join());
2656	>	rs[1].assertValue(v1);
2657	>	} catch (CompletionException ok) {
2658	>	checkCompletedWithWrappedException(h1, ex);
2659	>	rs[1].assertNotInvoked();
2660	>	}
2661	>	try {
2662	>	assertNull(h2.join());
2663	>	rs[2].assertValue(v1);
2664	>	} catch (CompletionException ok) {
2665	>	checkCompletedWithWrappedException(h2, ex);
2666	>	rs[2].assertNotInvoked();
2667	>	}
2668	>	try {
2669	>	assertNull(h3.join());
2670	>	rs[3].assertValue(v1);
2671	>	} catch (CompletionException ok) {
2672	>	checkCompletedWithWrappedException(h3, ex);
2673	>	rs[3].assertNotInvoked();
2674	>	}
2675
2676	<	/**
2677	<	* thenCombineAsync result completes exceptionally if action does
2678	<	*/
2483	<	public void testThenCombineAsync3E() {
2484	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2485	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2486	<	FailingBiFunction r = new FailingBiFunction();
2487	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2488	<	f.complete(one);
2489	<	checkIncomplete(g);
2490	<	assertFalse(r.ran);
2491	<	f2.complete(two);
2492	<	checkCompletedWithWrappedCFException(g);
2493	<	assertTrue(r.ran);
2494	<	}
2676	>	checkCompletedNormally(f, v1);
2677	>	checkCompletedExceptionally(g, ex);
2678	>	}}
2679
2680		/**
2681	<	* thenCombineAsync result completes exceptionally if either source cancelled
2681	>	* acceptEither result completes exceptionally if either source cancelled
2682		*/
2683	<	public void testThenCombineAsync4E() {
2684	<	CompletableFuture<Integer> f, g, h;
2685	<	ThreadExecutor e = new ThreadExecutor();
2683	>	public void testAcceptEither_sourceCancelled() {
2684	>	for (ExecutionMode m : ExecutionMode.values())
2685	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2686	>	for (Integer v1 : new Integer[] { 1, null })
2687	>	{
2688	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2689	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2690	>	final NoopConsumer[] rs = new NoopConsumer[6];
2691	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2692
2693	<	f = new CompletableFuture<>();
2694	<	g = new CompletableFuture<>();
2695	<	h = f.thenCombineAsync(g, subtract, e);
2696	<	assertTrue(f.cancel(true));
2697	<	checkIncomplete(h);
2698	<	g.complete(1);
2699	<	checkCompletedWithWrappedCancellationException(h);
2693	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2694	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2695	>	checkIncomplete(h0);
2696	>	checkIncomplete(h1);
2697	>	rs[0].assertNotInvoked();
2698	>	rs[1].assertNotInvoked();
2699	>	f.cancel(mayInterruptIfRunning);
2700	>	checkCompletedWithWrappedCancellationException(h0);
2701	>	checkCompletedWithWrappedCancellationException(h1);
2702	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2703	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2704	>	checkCompletedWithWrappedCancellationException(h2);
2705	>	checkCompletedWithWrappedCancellationException(h3);
2706
2707	<	f = new CompletableFuture<>();
2512	<	g = new CompletableFuture<>();
2513	<	h = f.thenCombineAsync(g, subtract, e);
2514	<	assertTrue(g.cancel(true));
2515	<	checkIncomplete(h);
2516	<	f.complete(3);
2517	<	checkCompletedWithWrappedCancellationException(h);
2518	<
2519	<	f = new CompletableFuture<>();
2520	<	g = new CompletableFuture<>();
2521	<	assertTrue(g.cancel(true));
2522	<	h = f.thenCombineAsync(g, subtract, e);
2523	<	checkIncomplete(h);
2524	<	f.complete(3);
2525	<	checkCompletedWithWrappedCancellationException(h);
2707	>	g.complete(v1);
2708
2709	<	f = new CompletableFuture<>();
2710	<	g = new CompletableFuture<>();
2711	<	assertTrue(f.cancel(true));
2712	<	assertTrue(g.cancel(true));
2713	<	h = f.thenCombineAsync(g, subtract, e);
2714	<	checkCompletedWithWrappedCancellationException(h);
2709	>	// unspecified behavior - both source completions available
2710	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2711	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2712	>	try {
2713	>	assertNull(h4.join());
2714	>	rs[4].assertValue(v1);
2715	>	} catch (CompletionException ok) {
2716	>	checkCompletedWithWrappedCancellationException(h4);
2717	>	rs[4].assertNotInvoked();
2718	>	}
2719	>	try {
2720	>	assertNull(h5.join());
2721	>	rs[5].assertValue(v1);
2722	>	} catch (CompletionException ok) {
2723	>	checkCompletedWithWrappedCancellationException(h5);
2724	>	rs[5].assertNotInvoked();
2725	>	}
2726
2727	<	assertEquals(0, e.count.get());
2728	<	}
2727	>	checkCancelled(f);
2728	>	checkCompletedNormally(g, v1);
2729	>	checkCompletedWithWrappedCancellationException(h0);
2730	>	checkCompletedWithWrappedCancellationException(h1);
2731	>	checkCompletedWithWrappedCancellationException(h2);
2732	>	checkCompletedWithWrappedCancellationException(h3);
2733	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2734	>	}}
2735
2736		/**
2737	<	* thenAcceptBothAsync result completes normally after normal
2539	<	* completion of sources
2737	>	* acceptEither result completes exceptionally if action does
2738		*/
2739	<	public void testThenAcceptBothAsyncE() {
2740	<	CompletableFuture<Integer> f, g;
2741	<	CompletableFuture<Void> h;
2742	<	SubtractAction r;
2743	<	ThreadExecutor e = new ThreadExecutor();
2739	>	public void testAcceptEither_actionFailed() {
2740	>	for (ExecutionMode m : ExecutionMode.values())
2741	>	for (Integer v1 : new Integer[] { 1, null })
2742	>	for (Integer v2 : new Integer[] { 2, null })
2743	>	{
2744	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2745	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2746	>	final FailingConsumer[] rs = new FailingConsumer[6];
2747	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2748
2749	<	f = new CompletableFuture<>();
2750	<	g = new CompletableFuture<>();
2751	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2752	<	f.complete(3);
2753	<	checkIncomplete(h);
2754	<	g.complete(1);
2755	<	checkCompletedNormally(h, null);
2756	<	assertEquals(r.value, 2);
2749	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2750	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2751	>	f.complete(v1);
2752	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2753	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2754	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2755	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2756	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2757	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2758	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2759
2760	<	f = new CompletableFuture<>();
2557	<	g = new CompletableFuture<>();
2558	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2559	<	g.complete(1);
2560	<	checkIncomplete(h);
2561	<	f.complete(3);
2562	<	checkCompletedNormally(h, null);
2563	<	assertEquals(r.value, 2);
2760	>	g.complete(v2);
2761
2762	<	f = new CompletableFuture<>();
2763	<	g = new CompletableFuture<>();
2764	<	g.complete(1);
2765	<	f.complete(3);
2766	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2767	<	checkCompletedNormally(h, null);
2768	<	assertEquals(r.value, 2);
2762	>	// unspecified behavior - both source completions available
2763	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2764	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2765	>
2766	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2767	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2768	>	Objects.equals(v2, rs[4].value));
2769	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2770	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2771	>	Objects.equals(v2, rs[5].value));
2772
2773	<	assertEquals(3, e.count.get());
2774	<	}
2773	>	checkCompletedNormally(f, v1);
2774	>	checkCompletedNormally(g, v2);
2775	>	}}
2776
2777		/**
2778	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2779	<	* completion of source
2778	>	* runAfterEither result completes normally after normal completion
2779	>	* of either source
2780		*/
2781	<	public void testThenAcceptBothAsync2E() {
2782	<	CompletableFuture<Integer> f, g;
2783	<	CompletableFuture<Void> h;
2784	<	SubtractAction r;
2785	<	ThreadExecutor e = new ThreadExecutor();
2786	<
2787	<	f = new CompletableFuture<>();
2788	<	g = new CompletableFuture<>();
2789	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2790	<	f.completeExceptionally(new CFException());
2590	<	checkIncomplete(h);
2591	<	g.complete(1);
2592	<	checkCompletedWithWrappedCFException(h);
2781	>	public void testRunAfterEither_normalCompletion() {
2782	>	for (ExecutionMode m : ExecutionMode.values())
2783	>	for (Integer v1 : new Integer[] { 1, null })
2784	>	for (Integer v2 : new Integer[] { 2, null })
2785	>	for (boolean pushNop : new boolean[] { true, false })
2786	>	{
2787	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2788	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2789	>	final Noop[] rs = new Noop[6];
2790	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2791
2792	<	f = new CompletableFuture<>();
2793	<	g = new CompletableFuture<>();
2794	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2795	<	g.completeExceptionally(new CFException());
2796	<	checkIncomplete(h);
2797	<	f.complete(3);
2798	<	checkCompletedWithWrappedCFException(h);
2792	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2793	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2794	>	checkIncomplete(h0);
2795	>	checkIncomplete(h1);
2796	>	rs[0].assertNotInvoked();
2797	>	rs[1].assertNotInvoked();
2798	>	if (pushNop) {          // ad hoc test of intra-completion interference
2799	>	m.thenRun(f, () -> {});
2800	>	m.thenRun(g, () -> {});
2801	>	}
2802	>	f.complete(v1);
2803	>	checkCompletedNormally(h0, null);
2804	>	checkCompletedNormally(h1, null);
2805	>	rs[0].assertInvoked();
2806	>	rs[1].assertInvoked();
2807	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2808	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2809	>	checkCompletedNormally(h2, null);
2810	>	checkCompletedNormally(h3, null);
2811	>	rs[2].assertInvoked();
2812	>	rs[3].assertInvoked();
2813
2814	<	f = new CompletableFuture<>();
2603	<	g = new CompletableFuture<>();
2604	<	f.complete(3);
2605	<	g.completeExceptionally(new CFException());
2606	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2607	<	checkCompletedWithWrappedCFException(h);
2814	>	g.complete(v2);
2815
2816	<	f = new CompletableFuture<>();
2817	<	g = new CompletableFuture<>();
2611	<	f.completeExceptionally(new CFException());
2612	<	g.complete(3);
2613	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2614	<	checkCompletedWithWrappedCFException(h);
2816	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2817	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2818
2819	<	assertEquals(0, e.count.get());
2820	<	}
2819	>	checkCompletedNormally(f, v1);
2820	>	checkCompletedNormally(g, v2);
2821	>	checkCompletedNormally(h0, null);
2822	>	checkCompletedNormally(h1, null);
2823	>	checkCompletedNormally(h2, null);
2824	>	checkCompletedNormally(h3, null);
2825	>	checkCompletedNormally(h4, null);
2826	>	checkCompletedNormally(h5, null);
2827	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2828	>	}}
2829
2830		/**
2831	<	* thenAcceptBothAsync result completes exceptionally if action does
2831	>	* runAfterEither result completes exceptionally after exceptional
2832	>	* completion of either source
2833		*/
2834	<	public void testThenAcceptBothAsync3E() {
2835	<	CompletableFuture<Integer> f, g;
2836	<	CompletableFuture<Void> h;
2837	<	FailingBiConsumer r;
2838	<	ThreadExecutor e = new ThreadExecutor();
2839	<
2840	<	f = new CompletableFuture<>();
2841	<	g = new CompletableFuture<>();
2842	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2631	<	f.complete(3);
2632	<	checkIncomplete(h);
2633	<	g.complete(1);
2634	<	checkCompletedWithWrappedCFException(h);
2635	<
2636	<	f = new CompletableFuture<>();
2637	<	g = new CompletableFuture<>();
2638	<	f.complete(3);
2639	<	g.complete(1);
2640	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2641	<	checkCompletedWithWrappedCFException(h);
2642	<
2643	<	assertEquals(2, e.count.get());
2644	<	}
2834	>	public void testRunAfterEither_exceptionalCompletion() {
2835	>	for (ExecutionMode m : ExecutionMode.values())
2836	>	for (Integer v1 : new Integer[] { 1, null })
2837	>	{
2838	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2839	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2840	>	final CFException ex = new CFException();
2841	>	final Noop[] rs = new Noop[6];
2842	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2843
2844	<	/**
2845	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2846	<	*/
2847	<	public void testThenAcceptBothAsync4E() {
2848	<	CompletableFuture<Integer> f, g;
2849	<	CompletableFuture<Void> h;
2850	<	SubtractAction r;
2851	<	ThreadExecutor e = new ThreadExecutor();
2844	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2845	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2846	>	checkIncomplete(h0);
2847	>	checkIncomplete(h1);
2848	>	rs[0].assertNotInvoked();
2849	>	rs[1].assertNotInvoked();
2850	>	assertTrue(f.completeExceptionally(ex));
2851	>	checkCompletedWithWrappedException(h0, ex);
2852	>	checkCompletedWithWrappedException(h1, ex);
2853	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2854	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2855	>	checkCompletedWithWrappedException(h2, ex);
2856	>	checkCompletedWithWrappedException(h3, ex);
2857	>
2858	>	assertTrue(g.complete(v1));
2859	>
2860	>	// unspecified behavior - both source completions available
2861	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2862	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2863	>	try {
2864	>	assertNull(h4.join());
2865	>	rs[4].assertInvoked();
2866	>	} catch (CompletionException ok) {
2867	>	checkCompletedWithWrappedException(h4, ex);
2868	>	rs[4].assertNotInvoked();
2869	>	}
2870	>	try {
2871	>	assertNull(h5.join());
2872	>	rs[5].assertInvoked();
2873	>	} catch (CompletionException ok) {
2874	>	checkCompletedWithWrappedException(h5, ex);
2875	>	rs[5].assertNotInvoked();
2876	>	}
2877
2878	<	f = new CompletableFuture<>();
2879	<	g = new CompletableFuture<>();
2880	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2881	<	assertTrue(f.cancel(true));
2882	<	checkIncomplete(h);
2883	<	g.complete(1);
2884	<	checkCompletedWithWrappedCancellationException(h);
2878	>	checkCompletedExceptionally(f, ex);
2879	>	checkCompletedNormally(g, v1);
2880	>	checkCompletedWithWrappedException(h0, ex);
2881	>	checkCompletedWithWrappedException(h1, ex);
2882	>	checkCompletedWithWrappedException(h2, ex);
2883	>	checkCompletedWithWrappedException(h3, ex);
2884	>	checkCompletedWithWrappedException(h4, ex);
2885	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2886	>	}}
2887
2888	<	f = new CompletableFuture<>();
2889	<	g = new CompletableFuture<>();
2890	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2891	<	assertTrue(g.cancel(true));
2892	<	checkIncomplete(h);
2893	<	f.complete(3);
2894	<	checkCompletedWithWrappedCancellationException(h);
2888	>	public void testRunAfterEither_exceptionalCompletion2() {
2889	>	for (ExecutionMode m : ExecutionMode.values())
2890	>	for (boolean fFirst : new boolean[] { true, false })
2891	>	for (Integer v1 : new Integer[] { 1, null })
2892	>	{
2893	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2894	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2895	>	final CFException ex = new CFException();
2896	>	final Noop[] rs = new Noop[6];
2897	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2898
2899	<	f = new CompletableFuture<>();
2900	<	g = new CompletableFuture<>();
2901	<	f.complete(3);
2902	<	assertTrue(g.cancel(true));
2903	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2904	<	checkCompletedWithWrappedCancellationException(h);
2899	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2900	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2901	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2902	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2903	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2904	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2905
2906	<	f = new CompletableFuture<>();
2907	<	g = new CompletableFuture<>();
2908	<	assertTrue(f.cancel(true));
2909	<	g.complete(3);
2910	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2911	<	checkCompletedWithWrappedCancellationException(h);
2906	>	// unspecified behavior - both source completions available
2907	>	try {
2908	>	assertNull(h0.join());
2909	>	rs[0].assertInvoked();
2910	>	} catch (CompletionException ok) {
2911	>	checkCompletedWithWrappedException(h0, ex);
2912	>	rs[0].assertNotInvoked();
2913	>	}
2914	>	try {
2915	>	assertNull(h1.join());
2916	>	rs[1].assertInvoked();
2917	>	} catch (CompletionException ok) {
2918	>	checkCompletedWithWrappedException(h1, ex);
2919	>	rs[1].assertNotInvoked();
2920	>	}
2921	>	try {
2922	>	assertNull(h2.join());
2923	>	rs[2].assertInvoked();
2924	>	} catch (CompletionException ok) {
2925	>	checkCompletedWithWrappedException(h2, ex);
2926	>	rs[2].assertNotInvoked();
2927	>	}
2928	>	try {
2929	>	assertNull(h3.join());
2930	>	rs[3].assertInvoked();
2931	>	} catch (CompletionException ok) {
2932	>	checkCompletedWithWrappedException(h3, ex);
2933	>	rs[3].assertNotInvoked();
2934	>	}
2935
2936	<	assertEquals(0, e.count.get());
2937	<	}
2936	>	checkCompletedNormally(f, v1);
2937	>	checkCompletedExceptionally(g, ex);
2938	>	}}
2939
2940		/**
2941	<	* applyToEitherAsync result completes normally after normal
2690	<	* completion of sources
2941	>	* runAfterEither result completes exceptionally if either source cancelled
2942		*/
2943	<	public void testApplyToEitherAsyncE() {
2944	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2945	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2946	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2947	<	f.complete(one);
2948	<	checkCompletedNormally(g, two);
2949	<
2950	<	f = new CompletableFuture<>();
2951	<	f.complete(one);
2701	<	f2 = new CompletableFuture<>();
2702	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2703	<	checkCompletedNormally(g, two);
2704	<	}
2943	>	public void testRunAfterEither_sourceCancelled() {
2944	>	for (ExecutionMode m : ExecutionMode.values())
2945	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2946	>	for (Integer v1 : new Integer[] { 1, null })
2947	>	{
2948	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2949	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2950	>	final Noop[] rs = new Noop[6];
2951	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2952
2953	<	/**
2954	<	* applyToEitherAsync result completes exceptionally after exceptional
2955	<	* completion of source
2956	<	*/
2957	<	public void testApplyToEitherAsync2E() {
2958	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2959	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2960	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2961	<	f.completeExceptionally(new CFException());
2962	<	checkCompletedWithWrappedCFException(g);
2953	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2954	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2955	>	checkIncomplete(h0);
2956	>	checkIncomplete(h1);
2957	>	rs[0].assertNotInvoked();
2958	>	rs[1].assertNotInvoked();
2959	>	f.cancel(mayInterruptIfRunning);
2960	>	checkCompletedWithWrappedCancellationException(h0);
2961	>	checkCompletedWithWrappedCancellationException(h1);
2962	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2963	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2964	>	checkCompletedWithWrappedCancellationException(h2);
2965	>	checkCompletedWithWrappedCancellationException(h3);
2966	>
2967	>	assertTrue(g.complete(v1));
2968	>
2969	>	// unspecified behavior - both source completions available
2970	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2971	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2972	>	try {
2973	>	assertNull(h4.join());
2974	>	rs[4].assertInvoked();
2975	>	} catch (CompletionException ok) {
2976	>	checkCompletedWithWrappedCancellationException(h4);
2977	>	rs[4].assertNotInvoked();
2978	>	}
2979	>	try {
2980	>	assertNull(h5.join());
2981	>	rs[5].assertInvoked();
2982	>	} catch (CompletionException ok) {
2983	>	checkCompletedWithWrappedCancellationException(h5);
2984	>	rs[5].assertNotInvoked();
2985	>	}
2986
2987	<	f = new CompletableFuture<>();
2988	<	f2 = new CompletableFuture<>();
2989	<	f2.completeExceptionally(new CFException());
2990	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2991	<	f.complete(one);
2992	<	checkCompletedWithWrappedCFException(g);
2993	<	}
2987	>	checkCancelled(f);
2988	>	checkCompletedNormally(g, v1);
2989	>	checkCompletedWithWrappedCancellationException(h0);
2990	>	checkCompletedWithWrappedCancellationException(h1);
2991	>	checkCompletedWithWrappedCancellationException(h2);
2992	>	checkCompletedWithWrappedCancellationException(h3);
2993	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2994	>	}}
2995
2996		/**
2997	<	* applyToEitherAsync result completes exceptionally if action does
2997	>	* runAfterEither result completes exceptionally if action does
2998		*/
2999	<	public void testApplyToEitherAsync3E() {
3000	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3001	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3002	<	FailingFunction r = new FailingFunction();
3003	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
3004	<	f.complete(one);
3005	<	checkCompletedWithWrappedCFException(g);
3006	<	}
2999	>	public void testRunAfterEither_actionFailed() {
3000	>	for (ExecutionMode m : ExecutionMode.values())
3001	>	for (Integer v1 : new Integer[] { 1, null })
3002	>	for (Integer v2 : new Integer[] { 2, null })
3003	>	{
3004	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3005	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3006	>	final FailingRunnable[] rs = new FailingRunnable[6];
3007	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3008
3009	<	/**
3010	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3011	<	*/
3012	<	public void testApplyToEitherAsync4E() {
3013	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3014	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3015	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3016	<	assertTrue(f.cancel(true));
3017	<	checkCompletedWithWrappedCancellationException(g);
3009	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3010	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3011	>	assertTrue(f.complete(v1));
3012	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3013	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3014	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3015	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3016	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3017	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3018	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3019	>	assertTrue(g.complete(v2));
3020	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3021	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3022	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3023	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3024
3025	<	f = new CompletableFuture<>();
3026	<	f2 = new CompletableFuture<>();
3027	<	assertTrue(f2.cancel(true));
3028	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	checkCompletedWithWrappedCancellationException(g);
2752	<	}
3025	>	checkCompletedNormally(f, v1);
3026	>	checkCompletedNormally(g, v2);
3027	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3028	>	}}
3029
3030		/**
3031	<	* acceptEitherAsync result completes normally after normal
2756	<	* completion of sources
3031	>	* thenCompose result completes normally after normal completion of source
3032		*/
3033	<	public void testAcceptEitherAsyncE() {
3034	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3035	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3036	<	IncAction r = new IncAction();
3037	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3038	<	f.complete(one);
3039	<	checkCompletedNormally(g, null);
3040	<	assertEquals(r.value, 2);
3033	>	public void testThenCompose_normalCompletion() {
3034	>	for (ExecutionMode m : ExecutionMode.values())
3035	>	for (boolean createIncomplete : new boolean[] { true, false })
3036	>	for (Integer v1 : new Integer[] { 1, null })
3037	>	{
3038	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3039	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3040	>	if (!createIncomplete) assertTrue(f.complete(v1));
3041	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3042	>	if (createIncomplete) assertTrue(f.complete(v1));
3043
3044	<	r = new IncAction();
3045	<	f = new CompletableFuture<>();
3046	<	f.complete(one);
3047	<	f2 = new CompletableFuture<>();
2771	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2772	<	checkCompletedNormally(g, null);
2773	<	assertEquals(r.value, 2);
2774	<	}
3044	>	checkCompletedNormally(g, inc(v1));
3045	>	checkCompletedNormally(f, v1);
3046	>	r.assertValue(v1);
3047	>	}}
3048
3049		/**
3050	<	* acceptEitherAsync result completes exceptionally after exceptional
3050	>	* thenCompose result completes exceptionally after exceptional
3051		* completion of source
3052		*/
3053	<	public void testAcceptEitherAsync2E() {
3054	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3055	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3056	<	IncAction r = new IncAction();
3057	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3058	<	f.completeExceptionally(new CFException());
3059	<	checkCompletedWithWrappedCFException(g);
3060	<
3061	<	r = new IncAction();
3062	<	f = new CompletableFuture<>();
3063	<	f2 = new CompletableFuture<>();
3064	<	f2.completeExceptionally(new CFException());
3065	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3066	<	f.complete(one);
3067	<	checkCompletedWithWrappedCFException(g);
2795	<	}
3053	>	public void testThenCompose_exceptionalCompletion() {
3054	>	for (ExecutionMode m : ExecutionMode.values())
3055	>	for (boolean createIncomplete : new boolean[] { true, false })
3056	>	{
3057	>	final CFException ex = new CFException();
3058	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3059	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3060	>	if (!createIncomplete) f.completeExceptionally(ex);
3061	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3062	>	if (createIncomplete) f.completeExceptionally(ex);
3063	>
3064	>	checkCompletedWithWrappedException(g, ex);
3065	>	checkCompletedExceptionally(f, ex);
3066	>	r.assertNotInvoked();
3067	>	}}
3068
3069		/**
3070	<	* acceptEitherAsync result completes exceptionally if action does
3070	>	* thenCompose result completes exceptionally if action does
3071		*/
3072	<	public void testAcceptEitherAsync3E() {
3073	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3074	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3075	<	FailingConsumer r = new FailingConsumer();
3076	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3077	<	f.complete(one);
3078	<	checkCompletedWithWrappedCFException(g);
3079	<	}
3072	>	public void testThenCompose_actionFailed() {
3073	>	for (ExecutionMode m : ExecutionMode.values())
3074	>	for (boolean createIncomplete : new boolean[] { true, false })
3075	>	for (Integer v1 : new Integer[] { 1, null })
3076	>	{
3077	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3078	>	final FailingCompletableFutureFunction r
3079	>	= new FailingCompletableFutureFunction(m);
3080	>	if (!createIncomplete) assertTrue(f.complete(v1));
3081	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3082	>	if (createIncomplete) assertTrue(f.complete(v1));
3083	>
3084	>	checkCompletedWithWrappedException(g, r.ex);
3085	>	checkCompletedNormally(f, v1);
3086	>	}}
3087
3088		/**
3089	<	* acceptEitherAsync result completes exceptionally if either
2811	<	* source cancelled
3089	>	* thenCompose result completes exceptionally if source cancelled
3090		*/
3091	<	public void testAcceptEitherAsync4E() {
3092	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3093	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3094	<	IncAction r = new IncAction();
3095	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3096	<	assertTrue(f.cancel(true));
3097	<	checkCompletedWithWrappedCancellationException(g);
3091	>	public void testThenCompose_sourceCancelled() {
3092	>	for (ExecutionMode m : ExecutionMode.values())
3093	>	for (boolean createIncomplete : new boolean[] { true, false })
3094	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3095	>	{
3096	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3097	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3098	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3099	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3100	>	if (createIncomplete) {
3101	>	checkIncomplete(g);
3102	>	assertTrue(f.cancel(mayInterruptIfRunning));
3103	>	}
3104
2821	–	r = new IncAction();
2822	–	f = new CompletableFuture<>();
2823	–	f2 = new CompletableFuture<>();
2824	–	assertTrue(f2.cancel(true));
2825	–	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3105		checkCompletedWithWrappedCancellationException(g);
3106	<	}
3106	>	checkCancelled(f);
3107	>	}}
3108
3109		/**
3110	<	* runAfterEitherAsync result completes normally after normal
2831	<	* completion of sources
3110	>	* thenCompose result completes exceptionally if the result of the action does
3111		*/
3112	<	public void testRunAfterEitherAsyncE() {
3113	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3114	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3115	<	Noop r = new Noop();
3116	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3117	<	f.complete(one);
3118	<	checkCompletedNormally(g, null);
3119	<	assertTrue(r.ran);
3112	>	public void testThenCompose_actionReturnsFailingFuture() {
3113	>	for (ExecutionMode m : ExecutionMode.values())
3114	>	for (int order = 0; order < 6; order++)
3115	>	for (Integer v1 : new Integer[] { 1, null })
3116	>	{
3117	>	final CFException ex = new CFException();
3118	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3119	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3120	>	final CompletableFuture<Integer> h;
3121	>	// Test all permutations of orders
3122	>	switch (order) {
3123	>	case 0:
3124	>	assertTrue(f.complete(v1));
3125	>	assertTrue(g.completeExceptionally(ex));
3126	>	h = m.thenCompose(f, (x -> g));
3127	>	break;
3128	>	case 1:
3129	>	assertTrue(f.complete(v1));
3130	>	h = m.thenCompose(f, (x -> g));
3131	>	assertTrue(g.completeExceptionally(ex));
3132	>	break;
3133	>	case 2:
3134	>	assertTrue(g.completeExceptionally(ex));
3135	>	assertTrue(f.complete(v1));
3136	>	h = m.thenCompose(f, (x -> g));
3137	>	break;
3138	>	case 3:
3139	>	assertTrue(g.completeExceptionally(ex));
3140	>	h = m.thenCompose(f, (x -> g));
3141	>	assertTrue(f.complete(v1));
3142	>	break;
3143	>	case 4:
3144	>	h = m.thenCompose(f, (x -> g));
3145	>	assertTrue(f.complete(v1));
3146	>	assertTrue(g.completeExceptionally(ex));
3147	>	break;
3148	>	case 5:
3149	>	h = m.thenCompose(f, (x -> g));
3150	>	assertTrue(f.complete(v1));
3151	>	assertTrue(g.completeExceptionally(ex));
3152	>	break;
3153	>	default: throw new AssertionError();
3154	>	}
3155
3156	<	r = new Noop();
3157	<	f = new CompletableFuture<>();
3158	<	f.complete(one);
3159	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
2849	<	}
3156	>	checkCompletedExceptionally(g, ex);
3157	>	checkCompletedWithWrappedException(h, ex);
3158	>	checkCompletedNormally(f, v1);
3159	>	}}
3160
3161		/**
3162	<	* runAfterEitherAsync result completes exceptionally after exceptional
3162	>	* exceptionallyCompose result completes normally after normal
3163		* completion of source
3164		*/
3165	<	public void testRunAfterEitherAsync2E() {
3166	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3167	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3168	<	Noop r = new Noop();
3169	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3170	<	f.completeExceptionally(new CFException());
3171	<	checkCompletedWithWrappedCFException(g);
3172	<
3173	<	r = new Noop();
3174	<	f = new CompletableFuture<>();
3175	<	f2 = new CompletableFuture<>();
2866	<	f2.completeExceptionally(new CFException());
2867	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2868	<	f.complete(one);
2869	<	checkCompletedWithWrappedCFException(g);
2870	<	}
2871	<
2872	<	/**
2873	<	* runAfterEitherAsync result completes exceptionally if action does
2874	<	*/
2875	<	public void testRunAfterEitherAsync3E() {
2876	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2877	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2878	<	FailingNoop r = new FailingNoop();
2879	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2880	<	f.complete(one);
2881	<	checkCompletedWithWrappedCFException(g);
2882	<	}
2883	<
2884	<	/**
2885	<	* runAfterEitherAsync result completes exceptionally if either
2886	<	* source cancelled
2887	<	*/
2888	<	public void testRunAfterEitherAsync4E() {
2889	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2890	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2891	<	Noop r = new Noop();
2892	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2893	<	assertTrue(f.cancel(true));
2894	<	checkCompletedWithWrappedCancellationException(g);
3165	>	public void testExceptionallyCompose_normalCompletion() {
3166	>	for (ExecutionMode m : ExecutionMode.values())
3167	>	for (boolean createIncomplete : new boolean[] { true, false })
3168	>	for (Integer v1 : new Integer[] { 1, null })
3169	>	{
3170	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3171	>	final ExceptionalCompletableFutureFunction r =
3172	>	new ExceptionalCompletableFutureFunction(m);
3173	>	if (!createIncomplete) assertTrue(f.complete(v1));
3174	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3175	>	if (createIncomplete) assertTrue(f.complete(v1));
3176
3177	<	r = new Noop();
3178	<	f = new CompletableFuture<>();
3179	<	f2 = new CompletableFuture<>();
3180	<	assertTrue(f2.cancel(true));
2900	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2901	<	checkCompletedWithWrappedCancellationException(g);
2902	<	}
3177	>	checkCompletedNormally(f, v1);
3178	>	checkCompletedNormally(g, v1);
3179	>	r.assertNotInvoked();
3180	>	}}
3181
3182		/**
3183	<	* thenComposeAsync result completes normally after normal
3183	>	* exceptionallyCompose result completes normally after exceptional
3184		* completion of source
3185		*/
3186	<	public void testThenComposeAsyncE() {
3187	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3188	<	CompletableFutureInc r = new CompletableFutureInc();
3189	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3190	<	f.complete(one);
3191	<	checkCompletedNormally(g, two);
3192	<	}
3186	>	public void testExceptionallyCompose_exceptionalCompletion() {
3187	>	for (ExecutionMode m : ExecutionMode.values())
3188	>	for (boolean createIncomplete : new boolean[] { true, false })
3189	>	{
3190	>	final CFException ex = new CFException();
3191	>	final ExceptionalCompletableFutureFunction r =
3192	>	new ExceptionalCompletableFutureFunction(m);
3193	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3194	>	if (!createIncomplete) f.completeExceptionally(ex);
3195	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3196	>	if (createIncomplete) f.completeExceptionally(ex);
3197
3198	<	/**
3199	<	* thenComposeAsync result completes exceptionally after
3200	<	* exceptional completion of source
3201	<	*/
2920	<	public void testThenComposeAsync2E() {
2921	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2922	<	CompletableFutureInc r = new CompletableFutureInc();
2923	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2924	<	f.completeExceptionally(new CFException());
2925	<	checkCompletedWithWrappedCFException(g);
2926	<	}
3198	>	checkCompletedExceptionally(f, ex);
3199	>	checkCompletedNormally(g, r.value);
3200	>	r.assertInvoked();
3201	>	}}
3202
3203		/**
3204	<	* thenComposeAsync result completes exceptionally if action does
3204	>	* exceptionallyCompose completes exceptionally on exception if action does
3205		*/
3206	<	public void testThenComposeAsync3E() {
3207	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3208	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3209	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3210	<	f.complete(one);
3211	<	checkCompletedWithWrappedCFException(g);
3212	<	}
3206	>	public void testExceptionallyCompose_actionFailed() {
3207	>	for (ExecutionMode m : ExecutionMode.values())
3208	>	for (boolean createIncomplete : new boolean[] { true, false })
3209	>	for (Integer v1 : new Integer[] { 1, null })
3210	>	{
3211	>	final CFException ex = new CFException();
3212	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3213	>	final FailingExceptionalCompletableFutureFunction r
3214	>	= new FailingExceptionalCompletableFutureFunction(m);
3215	>	if (!createIncomplete) f.completeExceptionally(ex);
3216	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3217	>	if (createIncomplete) f.completeExceptionally(ex);
3218	>
3219	>	checkCompletedExceptionally(f, ex);
3220	>	checkCompletedWithWrappedException(g, r.ex);
3221	>	r.assertInvoked();
3222	>	}}
3223
2939	–	/**
2940	–	* thenComposeAsync result completes exceptionally if source cancelled
2941	–	*/
2942	–	public void testThenComposeAsync4E() {
2943	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2944	–	CompletableFutureInc r = new CompletableFutureInc();
2945	–	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2946	–	assertTrue(f.cancel(true));
2947	–	checkCompletedWithWrappedCancellationException(g);
2948	–	}
3224
3225		// other static methods
3226
#	Line 2963 | Line 3238 | public class CompletableFutureTest exten
3238		* when all components complete normally
3239		*/
3240		public void testAllOf_normal() throws Exception {
3241	<	for (int k = 1; k < 20; ++k) {
3242	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3243	<	for (int i = 0; i < k; ++i)
3241	>	for (int k = 1; k < 10; k++) {
3242	>	CompletableFuture<Integer>[] fs
3243	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3244	>	for (int i = 0; i < k; i++)
3245		fs[i] = new CompletableFuture<>();
3246		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3247	<	for (int i = 0; i < k; ++i) {
3247	>	for (int i = 0; i < k; i++) {
3248		checkIncomplete(f);
3249		checkIncomplete(CompletableFuture.allOf(fs));
3250		fs[i].complete(one);
#	Line 2978 | Line 3254 | public class CompletableFutureTest exten
3254		}
3255		}
3256
3257	+	public void testAllOf_normal_backwards() throws Exception {
3258	+	for (int k = 1; k < 10; k++) {
3259	+	CompletableFuture<Integer>[] fs
3260	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3261	+	for (int i = 0; i < k; i++)
3262	+	fs[i] = new CompletableFuture<>();
3263	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3264	+	for (int i = k - 1; i >= 0; i--) {
3265	+	checkIncomplete(f);
3266	+	checkIncomplete(CompletableFuture.allOf(fs));
3267	+	fs[i].complete(one);
3268	+	}
3269	+	checkCompletedNormally(f, null);
3270	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3271	+	}
3272	+	}
3273	+
3274	+	public void testAllOf_exceptional() throws Exception {
3275	+	for (int k = 1; k < 10; k++) {
3276	+	CompletableFuture<Integer>[] fs
3277	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3278	+	CFException ex = new CFException();
3279	+	for (int i = 0; i < k; i++)
3280	+	fs[i] = new CompletableFuture<>();
3281	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3282	+	for (int i = 0; i < k; i++) {
3283	+	checkIncomplete(f);
3284	+	checkIncomplete(CompletableFuture.allOf(fs));
3285	+	if (i != k / 2) {
3286	+	fs[i].complete(i);
3287	+	checkCompletedNormally(fs[i], i);
3288	+	} else {
3289	+	fs[i].completeExceptionally(ex);
3290	+	checkCompletedExceptionally(fs[i], ex);
3291	+	}
3292	+	}
3293	+	checkCompletedWithWrappedException(f, ex);
3294	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3295	+	}
3296	+	}
3297	+
3298		/**
3299		* anyOf(no component futures) returns an incomplete future
3300		*/
3301		public void testAnyOf_empty() throws Exception {
3302	+	for (Integer v1 : new Integer[] { 1, null })
3303	+	{
3304		CompletableFuture<Object> f = CompletableFuture.anyOf();
3305		checkIncomplete(f);
3306	<	}
3306	>
3307	>	f.complete(v1);
3308	>	checkCompletedNormally(f, v1);
3309	>	}}
3310
3311		/**
3312		* anyOf returns a future completed normally with a value when
3313		* a component future does
3314		*/
3315		public void testAnyOf_normal() throws Exception {
3316	<	for (int k = 0; k < 10; ++k) {
3316	>	for (int k = 0; k < 10; k++) {
3317		CompletableFuture[] fs = new CompletableFuture[k];
3318	<	for (int i = 0; i < k; ++i)
3318	>	for (int i = 0; i < k; i++)
3319		fs[i] = new CompletableFuture<>();
3320		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3321		checkIncomplete(f);
3322	<	for (int i = 0; i < k; ++i) {
3323	<	fs[i].complete(one);
3324	<	checkCompletedNormally(f, one);
3325	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3322	>	for (int i = 0; i < k; i++) {
3323	>	fs[i].complete(i);
3324	>	checkCompletedNormally(f, 0);
3325	>	int x = (int) CompletableFuture.anyOf(fs).join();
3326	>	assertTrue(0 <= x && x <= i);
3327	>	}
3328	>	}
3329	>	}
3330	>	public void testAnyOf_normal_backwards() throws Exception {
3331	>	for (int k = 0; k < 10; k++) {
3332	>	CompletableFuture[] fs = new CompletableFuture[k];
3333	>	for (int i = 0; i < k; i++)
3334	>	fs[i] = new CompletableFuture<>();
3335	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3336	>	checkIncomplete(f);
3337	>	for (int i = k - 1; i >= 0; i--) {
3338	>	fs[i].complete(i);
3339	>	checkCompletedNormally(f, k - 1);
3340	>	int x = (int) CompletableFuture.anyOf(fs).join();
3341	>	assertTrue(i <= x && x <= k - 1);
3342		}
3343		}
3344		}
#	Line 3009 | Line 3347 | public class CompletableFutureTest exten
3347		* anyOf result completes exceptionally when any component does.
3348		*/
3349		public void testAnyOf_exceptional() throws Exception {
3350	<	for (int k = 0; k < 10; ++k) {
3350	>	for (int k = 0; k < 10; k++) {
3351		CompletableFuture[] fs = new CompletableFuture[k];
3352	<	for (int i = 0; i < k; ++i)
3352	>	CFException[] exs = new CFException[k];
3353	>	for (int i = 0; i < k; i++) {
3354		fs[i] = new CompletableFuture<>();
3355	+	exs[i] = new CFException();
3356	+	}
3357		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3358		checkIncomplete(f);
3359	<	for (int i = 0; i < k; ++i) {
3360	<	fs[i].completeExceptionally(new CFException());
3361	<	checkCompletedWithWrappedCFException(f);
3359	>	for (int i = 0; i < k; i++) {
3360	>	fs[i].completeExceptionally(exs[i]);
3361	>	checkCompletedWithWrappedException(f, exs[0]);
3362	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3363	>	}
3364	>	}
3365	>	}
3366	>
3367	>	public void testAnyOf_exceptional_backwards() throws Exception {
3368	>	for (int k = 0; k < 10; k++) {
3369	>	CompletableFuture[] fs = new CompletableFuture[k];
3370	>	CFException[] exs = new CFException[k];
3371	>	for (int i = 0; i < k; i++) {
3372	>	fs[i] = new CompletableFuture<>();
3373	>	exs[i] = new CFException();
3374	>	}
3375	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3376	>	checkIncomplete(f);
3377	>	for (int i = k - 1; i >= 0; i--) {
3378	>	fs[i].completeExceptionally(exs[i]);
3379	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3380		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3381		}
3382		}
#	Line 3026 | Line 3385 | public class CompletableFutureTest exten
3385		/**
3386		* Completion methods throw NullPointerException with null arguments
3387		*/
3388	+	@SuppressWarnings("FutureReturnValueIgnored")
3389		public void testNPE() {
3390		CompletableFuture<Integer> f = new CompletableFuture<>();
3391		CompletableFuture<Integer> g = new CompletableFuture<>();
3392		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3033	–	CompletableFuture<?> h;
3393		ThreadExecutor exec = new ThreadExecutor();
3394
3395		Runnable[] throwingActions = {
3396		() -> CompletableFuture.supplyAsync(null),
3397		() -> CompletableFuture.supplyAsync(null, exec),
3398	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3398	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3399
3400		() -> CompletableFuture.runAsync(null),
3401		() -> CompletableFuture.runAsync(null, exec),
#	Line 3046 | Line 3405 | public class CompletableFutureTest exten
3405
3406		() -> f.thenApply(null),
3407		() -> f.thenApplyAsync(null),
3408	<	() -> f.thenApplyAsync((x) -> x, null),
3408	>	() -> f.thenApplyAsync(x -> x, null),
3409		() -> f.thenApplyAsync(null, exec),
3410
3411		() -> f.thenAccept(null),
3412		() -> f.thenAcceptAsync(null),
3413	<	() -> f.thenAcceptAsync((x) -> {} , null),
3413	>	() -> f.thenAcceptAsync(x -> {} , null),
3414		() -> f.thenAcceptAsync(null, exec),
3415
3416		() -> f.thenRun(null),
#	Line 3086 | Line 3445 | public class CompletableFutureTest exten
3445		() -> f.applyToEither(g, null),
3446		() -> f.applyToEitherAsync(g, null),
3447		() -> f.applyToEitherAsync(g, null, exec),
3448	<	() -> f.applyToEither(nullFuture, (x) -> x),
3449	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3450	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3451	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3448	>	() -> f.applyToEither(nullFuture, x -> x),
3449	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3450	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3451	>	() -> f.applyToEitherAsync(g, x -> x, null),
3452
3453		() -> f.acceptEither(g, null),
3454		() -> f.acceptEitherAsync(g, null),
3455		() -> f.acceptEitherAsync(g, null, exec),
3456	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3457	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3458	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3459	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3456	>	() -> f.acceptEither(nullFuture, x -> {}),
3457	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3458	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3459	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3460
3461		() -> f.runAfterEither(g, null),
3462		() -> f.runAfterEitherAsync(g, null),
#	Line 3109 | Line 3468 | public class CompletableFutureTest exten
3468
3469		() -> f.thenCompose(null),
3470		() -> f.thenComposeAsync(null),
3471	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3471	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3472		() -> f.thenComposeAsync(null, exec),
3473
3474		() -> f.exceptionally(null),
#	Line 3127 | Line 3486 | public class CompletableFutureTest exten
3486		() -> CompletableFuture.anyOf(null, f),
3487
3488		() -> f.obtrudeException(null),
3489	+
3490	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3491	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3492	+	() -> CompletableFuture.delayedExecutor(1L, null),
3493	+
3494	+	() -> f.orTimeout(1L, null),
3495	+	() -> f.completeOnTimeout(42, 1L, null),
3496	+
3497	+	() -> CompletableFuture.failedFuture(null),
3498	+	() -> CompletableFuture.failedStage(null),
3499		};
3500
3501		assertThrows(NullPointerException.class, throwingActions);
#	Line 3134 | Line 3503 | public class CompletableFutureTest exten
3503		}
3504
3505		/**
3506	+	* Test submissions to an executor that rejects all tasks.
3507	+	*/
3508	+	public void testRejectingExecutor() {
3509	+	for (Integer v : new Integer[] { 1, null })
3510	+	{
3511	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3512	+
3513	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3514	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3515	+
3516	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3517	+
3518	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3519	+	srcs.add(complete);
3520	+	srcs.add(incomplete);
3521	+
3522	+	for (CompletableFuture<Integer> src : srcs) {
3523	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3524	+	fs.add(src.thenRunAsync(() -> {}, e));
3525	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3526	+	fs.add(src.thenApplyAsync(z -> z, e));
3527	+
3528	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3529	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3530	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3531	+
3532	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3533	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3534	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3535	+
3536	+	fs.add(src.thenComposeAsync(z -> null, e));
3537	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3538	+	fs.add(src.handleAsync((z, t) -> null, e));
3539	+
3540	+	for (CompletableFuture<?> future : fs) {
3541	+	if (src.isDone())
3542	+	checkCompletedWithWrappedException(future, e.ex);
3543	+	else
3544	+	checkIncomplete(future);
3545	+	}
3546	+	futures.addAll(fs);
3547	+	}
3548	+
3549	+	{
3550	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3551	+
3552	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3553	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3554	+
3555	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3556	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3557	+
3558	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3559	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3560	+
3561	+	for (CompletableFuture<?> future : fs)
3562	+	checkIncomplete(future);
3563	+	futures.addAll(fs);
3564	+	}
3565	+
3566	+	{
3567	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3568	+
3569	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3570	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3571	+
3572	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3573	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3574	+
3575	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3576	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3577	+
3578	+	for (CompletableFuture<?> future : fs)
3579	+	checkCompletedWithWrappedException(future, e.ex);
3580	+	futures.addAll(fs);
3581	+	}
3582	+
3583	+	incomplete.complete(v);
3584	+
3585	+	for (CompletableFuture<?> future : futures)
3586	+	checkCompletedWithWrappedException(future, e.ex);
3587	+
3588	+	assertEquals(futures.size(), e.count.get());
3589	+	}}
3590	+
3591	+	/**
3592	+	* Test submissions to an executor that rejects all tasks, but
3593	+	* should never be invoked because the dependent future is
3594	+	* explicitly completed.
3595	+	*/
3596	+	public void testRejectingExecutorNeverInvoked() {
3597	+	for (Integer v : new Integer[] { 1, null })
3598	+	{
3599	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3600	+
3601	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3602	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3603	+
3604	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3605	+
3606	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3607	+	srcs.add(complete);
3608	+	srcs.add(incomplete);
3609	+
3610	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3611	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3612	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3613	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3614	+
3615	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3616	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3617	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3618	+
3619	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3620	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3621	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3622	+
3623	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3624	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3625	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3626	+
3627	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3628	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3629	+
3630	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3631	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3632	+
3633	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3634	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3635	+
3636	+	for (CompletableFuture<?> future : fs)
3637	+	checkIncomplete(future);
3638	+
3639	+	for (CompletableFuture<?> future : fs)
3640	+	future.complete(null);
3641	+
3642	+	incomplete.complete(v);
3643	+
3644	+	for (CompletableFuture<?> future : fs)
3645	+	checkCompletedNormally(future, null);
3646	+
3647	+	assertEquals(0, e.count.get());
3648	+	}}
3649	+
3650	+	/**
3651		* toCompletableFuture returns this CompletableFuture.
3652		*/
3653		public void testToCompletableFuture() {
#	Line 3141 | Line 3655 | public class CompletableFutureTest exten
3655		assertSame(f, f.toCompletableFuture());
3656		}
3657
3658	+	// jdk9
3659	+
3660		/**
3661	<	* whenComplete action executes on normal completion, propagating
3662	<	* source result.
3661	>	* newIncompleteFuture returns an incomplete CompletableFuture
3662	>	*/
3663	>	public void testNewIncompleteFuture() {
3664	>	for (Integer v1 : new Integer[] { 1, null })
3665	>	{
3666	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3667	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3668	>	checkIncomplete(f);
3669	>	checkIncomplete(g);
3670	>	f.complete(v1);
3671	>	checkCompletedNormally(f, v1);
3672	>	checkIncomplete(g);
3673	>	g.complete(v1);
3674	>	checkCompletedNormally(g, v1);
3675	>	assertSame(g.getClass(), CompletableFuture.class);
3676	>	}}
3677	>
3678	>	/**
3679	>	* completedStage returns a completed CompletionStage
3680	>	*/
3681	>	public void testCompletedStage() {
3682	>	AtomicInteger x = new AtomicInteger(0);
3683	>	AtomicReference<Throwable> r = new AtomicReference<>();
3684	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3685	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3686	>	assertEquals(x.get(), 1);
3687	>	assertNull(r.get());
3688	>	}
3689	>
3690	>	/**
3691	>	* defaultExecutor by default returns the commonPool if
3692	>	* it supports more than one thread.
3693		*/
3694	<	public void testWhenComplete1() {
3149	<	final AtomicInteger a = new AtomicInteger();
3694	>	public void testDefaultExecutor() {
3695		CompletableFuture<Integer> f = new CompletableFuture<>();
3696	<	CompletableFuture<Integer> g =
3697	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3698	<	f.complete(three);
3699	<	checkCompletedNormally(f, three);
3700	<	checkCompletedNormally(g, three);
3701	<	assertEquals(a.get(), 1);
3696	>	Executor e = f.defaultExecutor();
3697	>	Executor c = ForkJoinPool.commonPool();
3698	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3699	>	assertSame(e, c);
3700	>	else
3701	>	assertNotSame(e, c);
3702		}
3703
3704		/**
3705	<	* whenComplete action executes on exceptional completion, propagating
3706	<	* source result.
3705	>	* failedFuture returns a CompletableFuture completed
3706	>	* exceptionally with the given Exception
3707	>	*/
3708	>	public void testFailedFuture() {
3709	>	CFException ex = new CFException();
3710	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3711	>	checkCompletedExceptionally(f, ex);
3712	>	}
3713	>
3714	>	/**
3715	>	* failedFuture(null) throws NPE
3716	>	*/
3717	>	public void testFailedFuture_null() {
3718	>	try {
3719	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3720	>	shouldThrow();
3721	>	} catch (NullPointerException success) {}
3722	>	}
3723	>
3724	>	/**
3725	>	* copy returns a CompletableFuture that is completed normally,
3726	>	* with the same value, when source is.
3727	>	*/
3728	>	public void testCopy_normalCompletion() {
3729	>	for (boolean createIncomplete : new boolean[] { true, false })
3730	>	for (Integer v1 : new Integer[] { 1, null })
3731	>	{
3732	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3733	>	if (!createIncomplete) assertTrue(f.complete(v1));
3734	>	CompletableFuture<Integer> g = f.copy();
3735	>	if (createIncomplete) {
3736	>	checkIncomplete(f);
3737	>	checkIncomplete(g);
3738	>	assertTrue(f.complete(v1));
3739	>	}
3740	>	checkCompletedNormally(f, v1);
3741	>	checkCompletedNormally(g, v1);
3742	>	}}
3743	>
3744	>	/**
3745	>	* copy returns a CompletableFuture that is completed exceptionally
3746	>	* when source is.
3747		*/
3748	<	public void testWhenComplete2() {
3749	<	final AtomicInteger a = new AtomicInteger();
3748	>	public void testCopy_exceptionalCompletion() {
3749	>	for (boolean createIncomplete : new boolean[] { true, false })
3750	>	{
3751	>	CFException ex = new CFException();
3752		CompletableFuture<Integer> f = new CompletableFuture<>();
3753	<	CompletableFuture<Integer> g =
3754	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3755	<	f.completeExceptionally(new CFException());
3756	<	assertTrue(f.isCompletedExceptionally());
3757	<	assertTrue(g.isCompletedExceptionally());
3758	<	assertEquals(a.get(), 1);
3753	>	if (!createIncomplete) f.completeExceptionally(ex);
3754	>	CompletableFuture<Integer> g = f.copy();
3755	>	if (createIncomplete) {
3756	>	checkIncomplete(f);
3757	>	checkIncomplete(g);
3758	>	f.completeExceptionally(ex);
3759	>	}
3760	>	checkCompletedExceptionally(f, ex);
3761	>	checkCompletedWithWrappedException(g, ex);
3762	>	}}
3763	>
3764	>	/**
3765	>	* Completion of a copy does not complete its source.
3766	>	*/
3767	>	public void testCopy_oneWayPropagation() {
3768	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3769	>	assertTrue(f.copy().complete(1));
3770	>	assertTrue(f.copy().complete(null));
3771	>	assertTrue(f.copy().cancel(true));
3772	>	assertTrue(f.copy().cancel(false));
3773	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3774	>	checkIncomplete(f);
3775		}
3776
3777		/**
3778	<	* If a whenComplete action throws an exception when triggered by
3779	<	* a normal completion, it completes exceptionally
3778	>	* minimalCompletionStage returns a CompletableFuture that is
3779	>	* completed normally, with the same value, when source is.
3780		*/
3781	<	public void testWhenComplete3() {
3781	>	public void testMinimalCompletionStage() {
3782		CompletableFuture<Integer> f = new CompletableFuture<>();
3783	<	CompletableFuture<Integer> g =
3784	<	f.whenComplete((Integer x, Throwable t) ->
3785	<	{ throw new CFException(); } );
3786	<	f.complete(three);
3787	<	checkCompletedNormally(f, three);
3788	<	assertTrue(g.isCompletedExceptionally());
3789	<	checkCompletedWithWrappedCFException(g);
3783	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3784	>	AtomicInteger x = new AtomicInteger(0);
3785	>	AtomicReference<Throwable> r = new AtomicReference<>();
3786	>	checkIncomplete(f);
3787	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3788	>	f.complete(1);
3789	>	checkCompletedNormally(f, 1);
3790	>	assertEquals(x.get(), 1);
3791	>	assertNull(r.get());
3792		}
3793
3794		/**
3795	<	* whenCompleteAsync action executes on normal completion, propagating
3796	<	* source result.
3795	>	* minimalCompletionStage returns a CompletableFuture that is
3796	>	* completed exceptionally when source is.
3797		*/
3798	<	public void testWhenCompleteAsync1() {
3194	<	final AtomicInteger a = new AtomicInteger();
3798	>	public void testMinimalCompletionStage2() {
3799		CompletableFuture<Integer> f = new CompletableFuture<>();
3800	<	CompletableFuture<Integer> g =
3801	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3802	<	f.complete(three);
3803	<	checkCompletedNormally(f, three);
3804	<	checkCompletedNormally(g, three);
3805	<	assertEquals(a.get(), 1);
3800	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3801	>	AtomicInteger x = new AtomicInteger(0);
3802	>	AtomicReference<Throwable> r = new AtomicReference<>();
3803	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3804	>	checkIncomplete(f);
3805	>	CFException ex = new CFException();
3806	>	f.completeExceptionally(ex);
3807	>	checkCompletedExceptionally(f, ex);
3808	>	assertEquals(x.get(), 0);
3809	>	assertEquals(r.get().getCause(), ex);
3810		}
3811
3812		/**
3813	<	* whenCompleteAsync action executes on exceptional completion, propagating
3814	<	* source result.
3813	>	* failedStage returns a CompletionStage completed
3814	>	* exceptionally with the given Exception
3815		*/
3816	<	public void testWhenCompleteAsync2() {
3817	<	final AtomicInteger a = new AtomicInteger();
3816	>	public void testFailedStage() {
3817	>	CFException ex = new CFException();
3818	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3819	>	AtomicInteger x = new AtomicInteger(0);
3820	>	AtomicReference<Throwable> r = new AtomicReference<>();
3821	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3822	>	assertEquals(x.get(), 0);
3823	>	assertEquals(r.get(), ex);
3824	>	}
3825	>
3826	>	/**
3827	>	* completeAsync completes with value of given supplier
3828	>	*/
3829	>	public void testCompleteAsync() {
3830	>	for (Integer v1 : new Integer[] { 1, null })
3831	>	{
3832		CompletableFuture<Integer> f = new CompletableFuture<>();
3833	<	CompletableFuture<Integer> g =
3834	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3835	<	f.completeExceptionally(new CFException());
3836	<	checkCompletedWithWrappedCFException(f);
3837	<	checkCompletedWithWrappedCFException(g);
3833	>	f.completeAsync(() -> v1);
3834	>	f.join();
3835	>	checkCompletedNormally(f, v1);
3836	>	}}
3837	>
3838	>	/**
3839	>	* completeAsync completes exceptionally if given supplier throws
3840	>	*/
3841	>	public void testCompleteAsync2() {
3842	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3843	>	CFException ex = new CFException();
3844	>	f.completeAsync(() -> { throw ex; });
3845	>	try {
3846	>	f.join();
3847	>	shouldThrow();
3848	>	} catch (CompletionException success) {}
3849	>	checkCompletedWithWrappedException(f, ex);
3850		}
3851
3852		/**
3853	<	* If a whenCompleteAsync action throws an exception when
3220	<	* triggered by a normal completion, it completes exceptionally
3853	>	* completeAsync with given executor completes with value of given supplier
3854		*/
3855	<	public void testWhenCompleteAsync3() {
3855	>	public void testCompleteAsync3() {
3856	>	for (Integer v1 : new Integer[] { 1, null })
3857	>	{
3858		CompletableFuture<Integer> f = new CompletableFuture<>();
3859	<	CompletableFuture<Integer> g =
3860	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3861	<	{ throw new CFException(); } );
3862	<	f.complete(three);
3863	<	checkCompletedNormally(f, three);
3864	<	checkCompletedWithWrappedCFException(g);
3859	>	ThreadExecutor executor = new ThreadExecutor();
3860	>	f.completeAsync(() -> v1, executor);
3861	>	assertSame(v1, f.join());
3862	>	checkCompletedNormally(f, v1);
3863	>	assertEquals(1, executor.count.get());
3864	>	}}
3865	>
3866	>	/**
3867	>	* completeAsync with given executor completes exceptionally if
3868	>	* given supplier throws
3869	>	*/
3870	>	public void testCompleteAsync4() {
3871	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3872	>	CFException ex = new CFException();
3873	>	ThreadExecutor executor = new ThreadExecutor();
3874	>	f.completeAsync(() -> { throw ex; }, executor);
3875	>	try {
3876	>	f.join();
3877	>	shouldThrow();
3878	>	} catch (CompletionException success) {}
3879	>	checkCompletedWithWrappedException(f, ex);
3880	>	assertEquals(1, executor.count.get());
3881		}
3882
3883		/**
3884	<	* whenCompleteAsync action executes on normal completion, propagating
3234	<	* source result.
3884	>	* orTimeout completes with TimeoutException if not complete
3885		*/
3886	<	public void testWhenCompleteAsync1e() {
3887	<	final AtomicInteger a = new AtomicInteger();
3238	<	ThreadExecutor exec = new ThreadExecutor();
3886	>	public void testOrTimeout_timesOut() {
3887	>	long timeoutMillis = timeoutMillis();
3888		CompletableFuture<Integer> f = new CompletableFuture<>();
3889	<	CompletableFuture<Integer> g =
3890	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3891	<	exec);
3892	<	f.complete(three);
3244	<	checkCompletedNormally(f, three);
3245	<	checkCompletedNormally(g, three);
3246	<	assertEquals(a.get(), 1);
3889	>	long startTime = System.nanoTime();
3890	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3891	>	checkCompletedWithTimeoutException(f);
3892	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3893		}
3894
3895		/**
3896	<	* whenCompleteAsync action executes on exceptional completion, propagating
3251	<	* source result.
3896	>	* orTimeout completes normally if completed before timeout
3897		*/
3898	<	public void testWhenCompleteAsync2e() {
3899	<	final AtomicInteger a = new AtomicInteger();
3900	<	ThreadExecutor exec = new ThreadExecutor();
3898	>	public void testOrTimeout_completed() {
3899	>	for (Integer v1 : new Integer[] { 1, null })
3900	>	{
3901		CompletableFuture<Integer> f = new CompletableFuture<>();
3902	<	CompletableFuture<Integer> g =
3903	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3904	<	exec);
3905	<	f.completeExceptionally(new CFException());
3906	<	checkCompletedWithWrappedCFException(f);
3907	<	checkCompletedWithWrappedCFException(g);
3902	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3903	>	long startTime = System.nanoTime();
3904	>	f.complete(v1);
3905	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3906	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3907	>	g.complete(v1);
3908	>	checkCompletedNormally(f, v1);
3909	>	checkCompletedNormally(g, v1);
3910	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3911	>	}}
3912	>
3913	>	/**
3914	>	* completeOnTimeout completes with given value if not complete
3915	>	*/
3916	>	public void testCompleteOnTimeout_timesOut() {
3917	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3918	>	() -> testCompleteOnTimeout_timesOut(null));
3919		}
3920
3921		/**
3922	<	* If a whenCompleteAsync action throws an exception when triggered
3267	<	* by a normal completion, it completes exceptionally
3922	>	* completeOnTimeout completes with given value if not complete
3923		*/
3924	<	public void testWhenCompleteAsync3e() {
3925	<	ThreadExecutor exec = new ThreadExecutor();
3924	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3925	>	long timeoutMillis = timeoutMillis();
3926	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3927	>	long startTime = System.nanoTime();
3928	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3929	>	assertSame(v, f.join());
3930	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3931	>	f.complete(99);         // should have no effect
3932	>	checkCompletedNormally(f, v);
3933	>	}
3934	>
3935	>	/**
3936	>	* completeOnTimeout has no effect if completed within timeout
3937	>	*/
3938	>	public void testCompleteOnTimeout_completed() {
3939	>	for (Integer v1 : new Integer[] { 1, null })
3940	>	{
3941		CompletableFuture<Integer> f = new CompletableFuture<>();
3942	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3943	+	long startTime = System.nanoTime();
3944	+	f.complete(v1);
3945	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3946	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3947	+	g.complete(v1);
3948	+	checkCompletedNormally(f, v1);
3949	+	checkCompletedNormally(g, v1);
3950	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3951	+	}}
3952	+
3953	+	/**
3954	+	* delayedExecutor returns an executor that delays submission
3955	+	*/
3956	+	public void testDelayedExecutor() {
3957	+	testInParallel(() -> testDelayedExecutor(null, null),
3958	+	() -> testDelayedExecutor(null, 1),
3959	+	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3960	+	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3961	+	}
3962	+
3963	+	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3964	+	long timeoutMillis = timeoutMillis();
3965	+	// Use an "unreasonably long" long timeout to catch lingering threads
3966	+	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3967	+	final Executor delayer, longDelayer;
3968	+	if (executor == null) {
3969	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3970	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3971	+	} else {
3972	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3973	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3974	+	}
3975	+	long startTime = System.nanoTime();
3976	+	CompletableFuture<Integer> f =
3977	+	CompletableFuture.supplyAsync(() -> v, delayer);
3978		CompletableFuture<Integer> g =
3979	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3980	<	{ throw new CFException(); },
3981	<	exec);
3982	<	f.complete(three);
3983	<	checkCompletedNormally(f, three);
3984	<	checkCompletedWithWrappedCFException(g);
3979	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3980	>
3981	>	assertNull(g.getNow(null));
3982	>
3983	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3984	>	long millisElapsed = millisElapsedSince(startTime);
3985	>	assertTrue(millisElapsed >= timeoutMillis);
3986	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3987	>
3988	>	checkCompletedNormally(f, v);
3989	>
3990	>	checkIncomplete(g);
3991	>	assertTrue(g.cancel(true));
3992	>	}
3993	>
3994	>	//--- tests of implementation details; not part of official tck ---
3995	>
3996	>	Object resultOf(CompletableFuture<?> f) {
3997	>	SecurityManager sm = System.getSecurityManager();
3998	>	if (sm != null) {
3999	>	try {
4000	>	System.setSecurityManager(null);
4001	>	} catch (SecurityException giveUp) {
4002	>	return "Reflection not available";
4003	>	}
4004	>	}
4005	>
4006	>	try {
4007	>	java.lang.reflect.Field resultField
4008	>	= CompletableFuture.class.getDeclaredField("result");
4009	>	resultField.setAccessible(true);
4010	>	return resultField.get(f);
4011	>	} catch (Throwable t) {
4012	>	throw new AssertionError(t);
4013	>	} finally {
4014	>	if (sm != null) System.setSecurityManager(sm);
4015	>	}
4016		}
4017
4018	+	public void testExceptionPropagationReusesResultObject() {
4019	+	if (!testImplementationDetails) return;
4020	+	for (ExecutionMode m : ExecutionMode.values())
4021	+	{
4022	+	final CFException ex = new CFException();
4023	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4024	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4025	+
4026	+	final Runnable noopRunnable = new Noop(m);
4027	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4028	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
4029	+
4030	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4031	+	= new ArrayList<>();
4032	+
4033	+	funs.add(y -> m.thenRun(y, noopRunnable));
4034	+	funs.add(y -> m.thenAccept(y, noopConsumer));
4035	+	funs.add(y -> m.thenApply(y, incFunction));
4036	+
4037	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4038	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4039	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4040	+
4041	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4042	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4043	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4044	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4045	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4046	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4047	+
4048	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4049	+
4050	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4051	+
4052	+	funs.add(y -> CompletableFuture.allOf(y));
4053	+	funs.add(y -> CompletableFuture.allOf(y, v42));
4054	+	funs.add(y -> CompletableFuture.allOf(v42, y));
4055	+	funs.add(y -> CompletableFuture.anyOf(y));
4056	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4057	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4058	+
4059	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4060	+	fun : funs) {
4061	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4062	+	f.completeExceptionally(ex);
4063	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4064	+	checkCompletedWithWrappedException(src, ex);
4065	+	CompletableFuture<?> dep = fun.apply(src);
4066	+	checkCompletedWithWrappedException(dep, ex);
4067	+	assertSame(resultOf(src), resultOf(dep));
4068	+	}
4069	+
4070	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4071	+	fun : funs) {
4072	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4073	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4074	+	CompletableFuture<?> dep = fun.apply(src);
4075	+	f.completeExceptionally(ex);
4076	+	checkCompletedWithWrappedException(src, ex);
4077	+	checkCompletedWithWrappedException(dep, ex);
4078	+	assertSame(resultOf(src), resultOf(dep));
4079	+	}
4080	+
4081	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4082	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4083	+	fun : funs) {
4084	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4085	+	f.cancel(mayInterruptIfRunning);
4086	+	checkCancelled(f);
4087	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4088	+	checkCompletedWithWrappedCancellationException(src);
4089	+	CompletableFuture<?> dep = fun.apply(src);
4090	+	checkCompletedWithWrappedCancellationException(dep);
4091	+	assertSame(resultOf(src), resultOf(dep));
4092	+	}
4093	+
4094	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4095	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4096	+	fun : funs) {
4097	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4098	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4099	+	CompletableFuture<?> dep = fun.apply(src);
4100	+	f.cancel(mayInterruptIfRunning);
4101	+	checkCancelled(f);
4102	+	checkCompletedWithWrappedCancellationException(src);
4103	+	checkCompletedWithWrappedCancellationException(dep);
4104	+	assertSame(resultOf(src), resultOf(dep));
4105	+	}
4106	+	}}
4107	+
4108		/**
4109	<	* handleAsync action completes normally with function value on
3283	<	* either normal or exceptional completion of source
4109	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4110		*/
4111	<	public void testHandleAsync() {
4112	<	CompletableFuture<Integer> f, g;
4113	<	IntegerHandler r;
4111	>	public void testMinimalCompletionStage_minimality() {
4112	>	if (!testImplementationDetails) return;
4113	>	Function<Method, String> toSignature =
4114	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4115	>	Predicate<Method> isNotStatic =
4116	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4117	>	List<Method> minimalMethods =
4118	>	Stream.of(Object.class, CompletionStage.class)
4119	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4120	>	.filter(isNotStatic)
4121	>	.collect(Collectors.toList());
4122	>	// Methods from CompletableFuture permitted NOT to throw UOE
4123	>	String[] signatureWhitelist = {
4124	>	"newIncompleteFuture[]",
4125	>	"defaultExecutor[]",
4126	>	"minimalCompletionStage[]",
4127	>	"copy[]",
4128	>	};
4129	>	Set<String> permittedMethodSignatures =
4130	>	Stream.concat(minimalMethods.stream().map(toSignature),
4131	>	Stream.of(signatureWhitelist))
4132	>	.collect(Collectors.toSet());
4133	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4134	>	.filter(isNotStatic)
4135	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4136	>	.collect(Collectors.toList());
4137	>
4138	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4139	>	CompletionStage<Integer> min =
4140	>	new CompletableFuture<Integer>().minimalCompletionStage();
4141	>	stages.add(min);
4142	>	stages.add(min.thenApply(x -> x));
4143	>	stages.add(CompletableFuture.completedStage(1));
4144	>	stages.add(CompletableFuture.failedStage(new CFException()));
4145	>
4146	>	List<Method> bugs = new ArrayList<>();
4147	>	for (Method method : allMethods) {
4148	>	Class<?>[] parameterTypes = method.getParameterTypes();
4149	>	Object[] args = new Object[parameterTypes.length];
4150	>	// Manufacture boxed primitives for primitive params
4151	>	for (int i = 0; i < args.length; i++) {
4152	>	Class<?> type = parameterTypes[i];
4153	>	if (parameterTypes[i] == boolean.class)
4154	>	args[i] = false;
4155	>	else if (parameterTypes[i] == int.class)
4156	>	args[i] = 0;
4157	>	else if (parameterTypes[i] == long.class)
4158	>	args[i] = 0L;
4159	>	}
4160	>	for (CompletionStage<Integer> stage : stages) {
4161	>	try {
4162	>	method.invoke(stage, args);
4163	>	bugs.add(method);
4164	>	}
4165	>	catch (java.lang.reflect.InvocationTargetException expected) {
4166	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4167	>	bugs.add(method);
4168	>	// expected.getCause().printStackTrace();
4169	>	}
4170	>	}
4171	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4172	>	}
4173	>	}
4174	>	if (!bugs.isEmpty())
4175	>	throw new Error("Methods did not throw UOE: " + bugs);
4176	>	}
4177
4178	<	f = new CompletableFuture<>();
4179	<	g = f.handleAsync(r = new IntegerHandler());
4180	<	assertFalse(r.ran);
4181	<	f.completeExceptionally(new CFException());
4182	<	checkCompletedWithWrappedCFException(f);
4183	<	checkCompletedNormally(g, three);
4184	<	assertTrue(r.ran);
4178	>	/**
4179	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4180	>	* is completed normally, with the same value, when source is.
4181	>	*/
4182	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4183	>	for (boolean createIncomplete : new boolean[] { true, false })
4184	>	for (Integer v1 : new Integer[] { 1, null })
4185	>	{
4186	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4187	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4188	>	if (!createIncomplete) assertTrue(f.complete(v1));
4189	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4190	>	if (createIncomplete) {
4191	>	checkIncomplete(f);
4192	>	checkIncomplete(g);
4193	>	assertTrue(f.complete(v1));
4194	>	}
4195	>	checkCompletedNormally(f, v1);
4196	>	checkCompletedNormally(g, v1);
4197	>	}}
4198
4199	<	f = new CompletableFuture<>();
4200	<	g = f.handleAsync(r = new IntegerHandler());
4201	<	assertFalse(r.ran);
4202	<	f.completeExceptionally(new CFException());
4203	<	checkCompletedWithWrappedCFException(f);
4204	<	checkCompletedNormally(g, three);
4205	<	assertTrue(r.ran);
4199	>	/**
4200	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4201	>	* is completed exceptionally when source is.
4202	>	*/
4203	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4204	>	for (boolean createIncomplete : new boolean[] { true, false })
4205	>	{
4206	>	CFException ex = new CFException();
4207	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4208	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4209	>	if (!createIncomplete) f.completeExceptionally(ex);
4210	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4211	>	if (createIncomplete) {
4212	>	checkIncomplete(f);
4213	>	checkIncomplete(g);
4214	>	f.completeExceptionally(ex);
4215	>	}
4216	>	checkCompletedExceptionally(f, ex);
4217	>	checkCompletedWithWrappedException(g, ex);
4218	>	}}
4219
4220	<	f = new CompletableFuture<>();
4221	<	g = f.handleAsync(r = new IntegerHandler());
4222	<	assertFalse(r.ran);
4223	<	f.complete(one);
4224	<	checkCompletedNormally(f, one);
4225	<	checkCompletedNormally(g, two);
4226	<	assertTrue(r.ran);
4220	>	/**
4221	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4222	>	*/
4223	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4224	>	for (Integer v1 : new Integer[] { 1, null })
4225	>	{
4226	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4227	>	CompletionStage minimal = f.minimalCompletionStage();
4228	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4229	>	assertTrue(g.complete(v1));
4230	>	checkCompletedNormally(g, v1);
4231	>	checkIncomplete(f);
4232	>	checkIncomplete(minimal.toCompletableFuture());
4233	>	}}
4234
4235	<	f = new CompletableFuture<>();
4236	<	g = f.handleAsync(r = new IntegerHandler());
4237	<	assertFalse(r.ran);
4238	<	f.complete(one);
4239	<	checkCompletedNormally(f, one);
4240	<	checkCompletedNormally(g, two);
4241	<	assertTrue(r.ran);
4235	>	/**
4236	>	* minimalStage.toCompletableFuture().join() awaits completion
4237	>	*/
4238	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4239	>	for (boolean createIncomplete : new boolean[] { true, false })
4240	>	for (Integer v1 : new Integer[] { 1, null })
4241	>	{
4242	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4243	>	if (!createIncomplete) assertTrue(f.complete(v1));
4244	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4245	>	if (createIncomplete) assertTrue(f.complete(v1));
4246	>	assertEquals(v1, minimal.toCompletableFuture().join());
4247	>	assertEquals(v1, minimal.toCompletableFuture().get());
4248	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4249	>	}}
4250	>
4251	>	/**
4252	>	* Completion of a toCompletableFuture copy of a minimal stage
4253	>	* does not complete its source.
4254	>	*/
4255	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4256	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4257	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4258	>	assertTrue(g.toCompletableFuture().complete(1));
4259	>	assertTrue(g.toCompletableFuture().complete(null));
4260	>	assertTrue(g.toCompletableFuture().cancel(true));
4261	>	assertTrue(g.toCompletableFuture().cancel(false));
4262	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4263	>	checkIncomplete(g.toCompletableFuture());
4264	>	f.complete(1);
4265	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4266	>	}
4267	>
4268	>	/** Demo utility method for external reliable toCompletableFuture */
4269	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4270	>	CompletableFuture<T> f = new CompletableFuture<>();
4271	>	stage.handle((T t, Throwable ex) -> {
4272	>	if (ex != null) f.completeExceptionally(ex);
4273	>	else f.complete(t);
4274	>	return null;
4275	>	});
4276	>	return f;
4277	>	}
4278	>
4279	>	/** Demo utility method to join a CompletionStage */
4280	>	static <T> T join(CompletionStage<T> stage) {
4281	>	return toCompletableFuture(stage).join();
4282		}
4283
4284		/**
4285	<	* handleAsync action with Executor completes normally with
3324	<	* function value on either normal or exceptional completion of
3325	<	* source
4285	>	* Joining a minimal stage "by hand" works
4286		*/
4287	<	public void testHandleAsync2() {
4288	<	CompletableFuture<Integer> f, g;
4289	<	ThreadExecutor exec = new ThreadExecutor();
4290	<	IntegerHandler r;
4287	>	public void testMinimalCompletionStage_join_by_hand() {
4288	>	for (boolean createIncomplete : new boolean[] { true, false })
4289	>	for (Integer v1 : new Integer[] { 1, null })
4290	>	{
4291	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4292	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4293	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4294	>	if (!createIncomplete) assertTrue(f.complete(v1));
4295	>	minimal.thenAccept(x -> g.complete(x));
4296	>	if (createIncomplete) assertTrue(f.complete(v1));
4297	>	g.join();
4298	>	checkCompletedNormally(g, v1);
4299	>	checkCompletedNormally(f, v1);
4300	>	assertEquals(v1, join(minimal));
4301	>	}}
4302
4303	<	f = new CompletableFuture<>();
4304	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4305	<	assertFalse(r.ran);
4306	<	f.completeExceptionally(new CFException());
4307	<	checkCompletedWithWrappedCFException(f);
4308	<	checkCompletedNormally(g, three);
4309	<	assertTrue(r.ran);
4303	>	static class Monad {
4304	>	static class ZeroException extends RuntimeException {
4305	>	public ZeroException() { super("monadic zero"); }
4306	>	}
4307	>	// "return", "unit"
4308	>	static <T> CompletableFuture<T> unit(T value) {
4309	>	return completedFuture(value);
4310	>	}
4311	>	// monadic zero ?
4312	>	static <T> CompletableFuture<T> zero() {
4313	>	return failedFuture(new ZeroException());
4314	>	}
4315	>	// >=>
4316	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4317	>	(Function<T, CompletableFuture<U>> f,
4318	>	Function<U, CompletableFuture<V>> g) {
4319	>	return x -> f.apply(x).thenCompose(g);
4320	>	}
4321
4322	<	f = new CompletableFuture<>();
4323	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4324	<	assertFalse(r.ran);
4325	<	f.completeExceptionally(new CFException());
4326	<	checkCompletedWithWrappedCFException(f);
4327	<	checkCompletedNormally(g, three);
4328	<	assertTrue(r.ran);
4322	>	static void assertZero(CompletableFuture<?> f) {
4323	>	try {
4324	>	f.getNow(null);
4325	>	throw new AssertionError("should throw");
4326	>	} catch (CompletionException success) {
4327	>	assertTrue(success.getCause() instanceof ZeroException);
4328	>	}
4329	>	}
4330
4331	<	f = new CompletableFuture<>();
4332	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4333	<	assertFalse(r.ran);
4334	<	f.complete(one);
4335	<	checkCompletedNormally(f, one);
4336	<	checkCompletedNormally(g, two);
4337	<	assertTrue(r.ran);
4331	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4332	>	CompletableFuture<T> g) {
4333	>	T fval = null, gval = null;
4334	>	Throwable fex = null, gex = null;
4335	>
4336	>	try { fval = f.get(); }
4337	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4338	>	catch (Throwable ex) { fex = ex; }
4339	>
4340	>	try { gval = g.get(); }
4341	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4342	>	catch (Throwable ex) { gex = ex; }
4343	>
4344	>	if (fex != null || gex != null)
4345	>	assertSame(fex.getClass(), gex.getClass());
4346	>	else
4347	>	assertEquals(fval, gval);
4348	>	}
4349
4350	<	f = new CompletableFuture<>();
4351	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4352	<	assertFalse(r.ran);
4353	<	f.complete(one);
4354	<	checkCompletedNormally(f, one);
4355	<	checkCompletedNormally(g, two);
4356	<	assertTrue(r.ran);
4350	>	static class PlusFuture<T> extends CompletableFuture<T> {
4351	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4352	>	}
4353	>
4354	>	/** Implements "monadic plus". */
4355	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4356	>	CompletableFuture<? extends T> g) {
4357	>	PlusFuture<T> plus = new PlusFuture<T>();
4358	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4359	>	try {
4360	>	if (ex == null) {
4361	>	if (plus.complete(result))
4362	>	if (plus.firstFailure.get() != null)
4363	>	plus.firstFailure.set(null);
4364	>	}
4365	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4366	>	if (plus.isDone())
4367	>	plus.firstFailure.set(null);
4368	>	}
4369	>	else {
4370	>	// first failure has precedence
4371	>	Throwable first = plus.firstFailure.getAndSet(null);
4372	>
4373	>	// may fail with "Self-suppression not permitted"
4374	>	try { first.addSuppressed(ex); }
4375	>	catch (Exception ignored) {}
4376	>
4377	>	plus.completeExceptionally(first);
4378	>	}
4379	>	} catch (Throwable unexpected) {
4380	>	plus.completeExceptionally(unexpected);
4381	>	}
4382	>	};
4383	>	f.whenComplete(action);
4384	>	g.whenComplete(action);
4385	>	return plus;
4386	>	}
4387		}
4388
4389	+	/**
4390	+	* CompletableFuture is an additive monad - sort of.
4391	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4392	+	*/
4393	+	public void testAdditiveMonad() throws Throwable {
4394	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4395	+	CompletableFuture<Long> zero = Monad.zero();
4396	+
4397	+	// Some mutually non-commutative functions
4398	+	Function<Long, CompletableFuture<Long>> triple
4399	+	= x -> Monad.unit(3 * x);
4400	+	Function<Long, CompletableFuture<Long>> inc
4401	+	= x -> Monad.unit(x + 1);
4402	+
4403	+	// unit is a right identity: m >>= unit === m
4404	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4405	+	inc.apply(5L));
4406	+	// unit is a left identity: (unit x) >>= f === f x
4407	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4408	+	inc.apply(5L));
4409	+
4410	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4411	+	Monad.assertFutureEquals(
4412	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4413	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4414	+
4415	+	// The case for CompletableFuture as an additive monad is weaker...
4416	+
4417	+	// zero is a monadic zero
4418	+	Monad.assertZero(zero);
4419	+
4420	+	// left zero: zero >>= f === zero
4421	+	Monad.assertZero(zero.thenCompose(inc));
4422	+	// right zero: f >>= (\x -> zero) === zero
4423	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4424	+
4425	+	// f plus zero === f
4426	+	Monad.assertFutureEquals(Monad.unit(5L),
4427	+	Monad.plus(Monad.unit(5L), zero));
4428	+	// zero plus f === f
4429	+	Monad.assertFutureEquals(Monad.unit(5L),
4430	+	Monad.plus(zero, Monad.unit(5L)));
4431	+	// zero plus zero === zero
4432	+	Monad.assertZero(Monad.plus(zero, zero));
4433	+	{
4434	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4435	+	Monad.unit(8L));
4436	+	// non-determinism
4437	+	assertTrue(f.get() == 5L || f.get() == 8L);
4438	+	}
4439	+
4440	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4441	+	// f plus godot === f (doesn't wait for godot)
4442	+	Monad.assertFutureEquals(Monad.unit(5L),
4443	+	Monad.plus(Monad.unit(5L), godot));
4444	+	// godot plus f === f (doesn't wait for godot)
4445	+	Monad.assertFutureEquals(Monad.unit(5L),
4446	+	Monad.plus(godot, Monad.unit(5L)));
4447	+	}
4448	+
4449	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4450	+	@SuppressWarnings("FutureReturnValueIgnored")
4451	+	public void testRecursiveChains() throws Throwable {
4452	+	for (ExecutionMode m : ExecutionMode.values())
4453	+	for (boolean addDeadEnds : new boolean[] { true, false })
4454	+	{
4455	+	final int val = 42;
4456	+	final int n = expensiveTests ? 1_000 : 2;
4457	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4458	+	CompletableFuture<Integer> tail = head;
4459	+	for (int i = 0; i < n; i++) {
4460	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4461	+	tail = m.thenApply(tail, v -> v + 1);
4462	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4463	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4464	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4465	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4466	+	}
4467	+	head.complete(val);
4468	+	assertEquals(val + 3 * n, (int) tail.join());
4469	+	}}
4470	+
4471	+	/**
4472	+	* A single CompletableFuture with many dependents.
4473	+	* A demo of scalability - runtime is O(n).
4474	+	*/
4475	+	@SuppressWarnings("FutureReturnValueIgnored")
4476	+	public void testManyDependents() throws Throwable {
4477	+	final int n = expensiveTests ? 1_000_000 : 10;
4478	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4479	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4480	+	final AtomicInteger count = new AtomicInteger(0);
4481	+	for (int i = 0; i < n; i++) {
4482	+	head.thenRun(() -> count.getAndIncrement());
4483	+	head.thenAccept(x -> count.getAndIncrement());
4484	+	head.thenApply(x -> count.getAndIncrement());
4485	+
4486	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4487	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4488	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4489	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4490	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4491	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4492	+
4493	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4494	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4495	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4496	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4497	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4498	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4499	+	}
4500	+	head.complete(null);
4501	+	assertEquals(5 * 3 * n, count.get());
4502	+	}
4503	+
4504	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4505	+	@SuppressWarnings("FutureReturnValueIgnored")
4506	+	public void testCoCompletionGarbageRetention() throws Throwable {
4507	+	final int n = expensiveTests ? 1_000_000 : 10;
4508	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4509	+	CompletableFuture<Integer> f;
4510	+	for (int i = 0; i < n; i++) {
4511	+	f = new CompletableFuture<>();
4512	+	f.runAfterEither(incomplete, () -> {});
4513	+	f.complete(null);
4514	+
4515	+	f = new CompletableFuture<>();
4516	+	f.acceptEither(incomplete, x -> {});
4517	+	f.complete(null);
4518	+
4519	+	f = new CompletableFuture<>();
4520	+	f.applyToEither(incomplete, x -> x);
4521	+	f.complete(null);
4522	+
4523	+	f = new CompletableFuture<>();
4524	+	CompletableFuture.anyOf(f, incomplete);
4525	+	f.complete(null);
4526	+	}
4527	+
4528	+	for (int i = 0; i < n; i++) {
4529	+	f = new CompletableFuture<>();
4530	+	incomplete.runAfterEither(f, () -> {});
4531	+	f.complete(null);
4532	+
4533	+	f = new CompletableFuture<>();
4534	+	incomplete.acceptEither(f, x -> {});
4535	+	f.complete(null);
4536	+
4537	+	f = new CompletableFuture<>();
4538	+	incomplete.applyToEither(f, x -> x);
4539	+	f.complete(null);
4540	+
4541	+	f = new CompletableFuture<>();
4542	+	CompletableFuture.anyOf(incomplete, f);
4543	+	f.complete(null);
4544	+	}
4545	+	}
4546	+
4547	+	/**
4548	+	* Reproduction recipe for:
4549	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4550	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4551	+	*/
4552	+	public void testAnyOfGarbageRetention() throws Throwable {
4553	+	for (Integer v : new Integer[] { 1, null })
4554	+	{
4555	+	final int n = expensiveTests ? 100_000 : 10;
4556	+	CompletableFuture<Integer>[] fs
4557	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4558	+	for (int i = 0; i < fs.length; i++)
4559	+	fs[i] = new CompletableFuture<>();
4560	+	fs[fs.length - 1].complete(v);
4561	+	for (int i = 0; i < n; i++)
4562	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4563	+	}}
4564	+
4565	+	/**
4566	+	* Checks for garbage retention with allOf.
4567	+	*
4568	+	* As of 2016-07, fails with OOME:
4569	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4570	+	*/
4571	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4572	+	final int n = expensiveTests ? 100_000 : 10;
4573	+	CompletableFuture<Integer>[] fs
4574	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4575	+	for (int i = 0; i < fs.length; i++)
4576	+	fs[i] = new CompletableFuture<>();
4577	+	for (int i = 0; i < n; i++)
4578	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4579	+	}
4580	+
4581	+	/**
4582	+	* Checks for garbage retention when a dependent future is
4583	+	* cancelled and garbage-collected.
4584	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4585	+	*
4586	+	* As of 2016-07, fails with OOME:
4587	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4588	+	*/
4589	+	public void testCancelledGarbageRetention() throws Throwable {
4590	+	final int n = expensiveTests ? 100_000 : 10;
4591	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4592	+	for (int i = 0; i < n; i++)
4593	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4594	+	}
4595	+
4596	+	/**
4597	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4598	+	* is invoked many times.
4599	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4600	+	*
4601	+	* As of 2016-07, fails with OOME:
4602	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4603	+	*/
4604	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4605	+	final int n = expensiveTests ? 900_000 : 10;
4606	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4607	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4608	+	for (int i = 0; i < n; i++)
4609	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4610	+	}
4611	+
4612	+	//     static <U> U join(CompletionStage<U> stage) {
4613	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4614	+	//         stage.whenComplete((v, ex) -> {
4615	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4616	+	//         });
4617	+	//         return f.join();
4618	+	//     }
4619	+
4620	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4621	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4622	+	//         stage.whenComplete((v, ex) -> {
4623	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4624	+	//         });
4625	+	//         return f.isDone();
4626	+	//     }
4627	+
4628	+	//     static <U> U join2(CompletionStage<U> stage) {
4629	+	//         return stage.toCompletableFuture().copy().join();
4630	+	//     }
4631	+
4632	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4633	+	//         return stage.toCompletableFuture().copy().isDone();
4634	+	//     }
4635	+
4636		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines