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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.91 by jsr166, Tue Jun 17 20:34:18 2014 UTC vs.
Revision 1.224 by dl, Tue Jan 26 13:33:05 2021 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31		import java.util.concurrent.ForkJoinPool;
32		import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
25	<	import static java.util.concurrent.TimeUnit.SECONDS;
26	<	import java.util.*;
27	<	import java.util.function.Supplier;
28	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
30	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 44 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
74		catch (Throwable fail) { threadUnexpectedException(fail); }
75		}
76
77	<	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	try {
79	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.join());
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
66	<	try {
67	<	assertEquals(value, f.getNow(null));
68	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
77	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T expectedValue) {
78	>	checkTimedGet(f, expectedValue);
79	>
80	>	mustEqual(expectedValue, f.join());
81	>	mustEqual(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	+	mustEqual(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91		assertFalse(f.isCompletedExceptionally());
92	<	assertTrue(f.toString().contains("[Completed normally]"));
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
96	<	try {
97	<	f.get(LONG_DELAY_MS, MILLISECONDS);
98	<	shouldThrow();
99	<	} catch (ExecutionException success) {
100	<	assertTrue(success.getCause() instanceof CFException);
101	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
102	<	try {
86	<	f.join();
87	<	shouldThrow();
88	<	} catch (CompletionException success) {
89	<	assertTrue(success.getCause() instanceof CFException);
90	<	}
91	<	try {
92	<	f.getNow(null);
93	<	shouldThrow();
94	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
96	<	}
97	<	try {
98	<	f.get();
99	<	shouldThrow();
100	<	} catch (ExecutionException success) {
101	<	assertTrue(success.getCause() instanceof CFException);
102	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
95	>	/**
96	>	* Returns the "raw" internal exceptional completion of f,
97	>	* without any additional wrapping with CompletionException.
98	>	*/
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103		}
104
105	<	<U> void checkCompletedExceptionallyWithRootCause(CompletableFuture<U> f,
106	<	Throwable 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
135	–	assertTrue(f.isDone());
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	<	<U> void checkCompletedWithWrappedException(CompletableFuture<U> f,
152	<	Throwable ex) {
153	<	checkCompletedExceptionallyWithRootCause(f, ex);
143	<	try {
144	<	CompletableFuture<Throwable> spy = f.handle
145	<	((U u, Throwable t) -> t);
146	<	assertTrue(spy.join() instanceof CompletionException);
147	<	assertSame(ex, spy.join().getCause());
148	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
151	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152	>	checkCompletedExceptionally(f, true,
153	>	t -> assertTrue(t instanceof CFException));
154		}
155
156	<	<U> void checkCompletedExceptionally(CompletableFuture<U> f, Throwable ex) {
157	<	checkCompletedExceptionallyWithRootCause(f, ex);
158	<	try {
159	<	CompletableFuture<Throwable> spy = f.handle
160	<	((U u, Throwable t) -> t);
161	<	assertSame(ex, spy.join());
162	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
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 176 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	–	assertTrue(f.isDone());
180	–	assertTrue(f.isCompletedExceptionally());
181	–	assertTrue(f.isCancelled());
182	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
183	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
187	<	f.get(LONG_DELAY_MS, MILLISECONDS);
188	<	shouldThrow();
189	<	} catch (ExecutionException success) {
190	<	assertTrue(success.getCause() instanceof CancellationException);
191	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
192	<	try {
193	<	f.join();
194	<	shouldThrow();
195	<	} catch (CompletionException success) {
196	<	assertTrue(success.getCause() instanceof CancellationException);
197	<	}
198	<	try {
199	<	f.getNow(null);
200	<	shouldThrow();
201	<	} catch (CompletionException success) {
202	<	assertTrue(success.getCause() instanceof CancellationException);
203	<	}
204	<	try {
205	<	f.get();
206	<	shouldThrow();
207	<	} catch (ExecutionException success) {
208	<	assertTrue(success.getCause() instanceof CancellationException);
209	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
211	–	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 218 | Line 208 | public class CompletableFutureTest exten
208		* by methods isDone, isCancelled, and getNow
209		*/
210		public void testConstructor() {
211	<	CompletableFuture<Integer> f = new CompletableFuture<>();
211	>	CompletableFuture<Item> f = new CompletableFuture<>();
212		checkIncomplete(f);
213		}
214
#	Line 227 | 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 })
220	>	for (Item v1 : new Item[] { one, null })
221		{
222	<	CompletableFuture<Integer> f = new CompletableFuture<>();
222	>	CompletableFuture<Item> f = new CompletableFuture<>();
223		checkIncomplete(f);
224		assertTrue(f.complete(v1));
225		assertFalse(f.complete(v1));
#	Line 241 | Line 231 | public class CompletableFutureTest exten
231		* methods isDone, isCancelled, join, get, and getNow
232		*/
233		public void testCompleteExceptionally() {
234	<	CompletableFuture<Integer> f = new CompletableFuture<>();
234	>	CompletableFuture<Item> f = new CompletableFuture<>();
235		CFException ex = new CFException();
236		checkIncomplete(f);
237		f.completeExceptionally(ex);
#	Line 255 | Line 245 | public class CompletableFutureTest exten
245		public void testCancel() {
246		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
247		{
248	<	CompletableFuture<Integer> f = new CompletableFuture<>();
248	>	CompletableFuture<Item> f = new CompletableFuture<>();
249		checkIncomplete(f);
250	<	assertTrue(f.cancel(true));
251	<	assertTrue(f.cancel(true));
250	>	assertTrue(f.cancel(mayInterruptIfRunning));
251	>	assertTrue(f.cancel(mayInterruptIfRunning));
252	>	assertTrue(f.cancel(!mayInterruptIfRunning));
253		checkCancelled(f);
254		}}
255
#	Line 266 | Line 257 | public class CompletableFutureTest exten
257		* obtrudeValue forces completion with given value
258		*/
259		public void testObtrudeValue() {
260	<	CompletableFuture<Integer> f = new CompletableFuture<>();
260	>	CompletableFuture<Item> f = new CompletableFuture<>();
261		checkIncomplete(f);
262		assertTrue(f.complete(one));
263		checkCompletedNormally(f, one);
#	Line 289 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	for (Integer v1 : new Integer[] { 1, null })
283	>	for (Item v1 : new Item[] { one, null })
284		{
285		CFException ex;
286	<	CompletableFuture<Integer> f;
286	>	CompletableFuture<Item> f;
287
288		f = new CompletableFuture<>();
289		assertTrue(f.complete(v1));
#	Line 308 | Line 299 | public class CompletableFutureTest exten
299		}
300
301		f = new CompletableFuture<>();
302	<	f.completeExceptionally(ex = new CFException());
302	>	f.completeExceptionally(new CFException());
303		f.obtrudeValue(v1);
304		checkCompletedNormally(f, v1);
305		f.obtrudeException(ex = new CFException());
#	Line 324 | Line 315 | public class CompletableFutureTest exten
315		*/
316		public void testGetNumberOfDependents() {
317		for (ExecutionMode m : ExecutionMode.values())
318	<	for (Integer v1 : new Integer[] { 1, null })
318	>	for (Item v1 : new Item[] { one, null })
319		{
320	<	CompletableFuture<Integer> f = new CompletableFuture<>();
321	<	assertEquals(0, f.getNumberOfDependents());
320	>	CompletableFuture<Item> f = new CompletableFuture<>();
321	>	mustEqual(0, f.getNumberOfDependents());
322		final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323	<	assertEquals(1, f.getNumberOfDependents());
324	<	assertEquals(0, g.getNumberOfDependents());
323	>	mustEqual(1, f.getNumberOfDependents());
324	>	mustEqual(0, g.getNumberOfDependents());
325		final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326	<	assertEquals(2, f.getNumberOfDependents());
327	<	assertEquals(0, h.getNumberOfDependents());
326	>	mustEqual(2, f.getNumberOfDependents());
327	>	mustEqual(0, h.getNumberOfDependents());
328		assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330		checkCompletedNormally(h, null);
331	<	assertEquals(0, f.getNumberOfDependents());
332	<	assertEquals(0, g.getNumberOfDependents());
333	<	assertEquals(0, h.getNumberOfDependents());
331	>	mustEqual(0, f.getNumberOfDependents());
332	>	mustEqual(0, g.getNumberOfDependents());
333	>	mustEqual(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]"));
339	>	public void testToString_incomplete() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
342	>	if (testImplementationDetails)
343	>	mustEqual(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().contains("[Completed normally]"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	mustEqual(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355
356	<	f = new CompletableFuture<String>();
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358		assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
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	<	f = new CompletableFuture<String>();
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368		assertTrue(f.cancel(mayInterruptIfRunning));
369	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373		}
374		}
375
#	Line 373 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	abstract class CheckedAction {
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++);
390	>	mustEqual(0, invocationCount++);
391		}
392	<	void assertNotInvoked() { assertEquals(0, invocationCount); }
393	<	void assertInvoked() { assertEquals(1, invocationCount); }
392	>	void assertNotInvoked() { mustEqual(0, invocationCount); }
393	>	void assertInvoked() { mustEqual(1, invocationCount); }
394		}
395
396	<	abstract class CheckedIntegerAction extends CheckedAction {
397	<	Integer value;
398	<	CheckedIntegerAction(ExecutionMode m) { super(m); }
399	<	void assertValue(Integer expected) {
396	>	abstract static class CheckedItemAction extends CheckedAction {
397	>	Item value;
398	>	CheckedItemAction(ExecutionMode m) { super(m); }
399	>	void assertValue(Item expected) {
400		assertInvoked();
401	<	assertEquals(expected, value);
401	>	mustEqual(expected, value);
402		}
403		}
404
405	<	class IntegerSupplier extends CheckedAction
406	<	implements Supplier<Integer>
405	>	static class ItemSupplier extends CheckedAction
406	>	implements Supplier<Item>
407		{
408	<	final Integer value;
409	<	IntegerSupplier(ExecutionMode m, Integer value) {
408	>	final Item value;
409	>	ItemSupplier(ExecutionMode m, Item value) {
410		super(m);
411		this.value = value;
412		}
413	<	public Integer get() {
413	>	public Item get() {
414		invoked();
415		return value;
416		}
417		}
418
419		// A function that handles and produces null values as well.
420	<	static Integer inc(Integer x) {
421	<	return (x == null) ? null : x + 1;
420	>	static Item inc(Item x) {
421	>	return (x == null) ? null : new Item(x.value + 1);
422		}
423
424	<	class NoopConsumer extends CheckedIntegerAction
425	<	implements Consumer<Integer>
424	>	static class NoopConsumer extends CheckedItemAction
425	>	implements Consumer<Item>
426		{
427		NoopConsumer(ExecutionMode m) { super(m); }
428	<	public void accept(Integer x) {
428	>	public void accept(Item x) {
429		invoked();
430		value = x;
431		}
432		}
433
434	<	class IncFunction extends CheckedIntegerAction
435	<	implements Function<Integer,Integer>
434	>	static class IncFunction extends CheckedItemAction
435	>	implements Function<Item,Item>
436		{
437		IncFunction(ExecutionMode m) { super(m); }
438	<	public Integer apply(Integer x) {
438	>	public Item apply(Item x) {
439		invoked();
440		return value = inc(x);
441		}
#	Line 435 | Line 443 | public class CompletableFutureTest exten
443
444		// Choose non-commutative actions for better coverage
445		// A non-commutative function that handles and produces null values as well.
446	<	static Integer subtract(Integer x, Integer y) {
446	>	static Item subtract(Item x, Item y) {
447		return (x == null && y == null) ? null :
448	<	((x == null) ? 42 : x.intValue())
449	<	- ((y == null) ? 99 : y.intValue());
448	>	new Item(((x == null) ? 42 : x.value)
449	>	- ((y == null) ? 99 : y.value));
450		}
451
452	<	class SubtractAction extends CheckedIntegerAction
453	<	implements BiConsumer<Integer, Integer>
452	>	static class SubtractAction extends CheckedItemAction
453	>	implements BiConsumer<Item, Item>
454		{
455		SubtractAction(ExecutionMode m) { super(m); }
456	<	public void accept(Integer x, Integer y) {
456	>	public void accept(Item x, Item y) {
457		invoked();
458		value = subtract(x, y);
459		}
460		}
461
462	<	class SubtractFunction extends CheckedIntegerAction
463	<	implements BiFunction<Integer, Integer, Integer>
462	>	static class SubtractFunction extends CheckedItemAction
463	>	implements BiFunction<Item, Item, Item>
464		{
465		SubtractFunction(ExecutionMode m) { super(m); }
466	<	public Integer apply(Integer x, Integer y) {
466	>	public Item apply(Item x, Item y) {
467		invoked();
468		return value = subtract(x, y);
469		}
470		}
471
472	<	class Noop extends CheckedAction implements Runnable {
472	>	static class Noop extends CheckedAction implements Runnable {
473		Noop(ExecutionMode m) { super(m); }
474		public void run() {
475		invoked();
476		}
477		}
478
479	<	class FailingSupplier extends CheckedAction
480	<	implements Supplier<Integer>
479	>	static class FailingSupplier extends CheckedAction
480	>	implements Supplier<Item>
481		{
482	<	FailingSupplier(ExecutionMode m) { super(m); }
483	<	public Integer get() {
482	>	final CFException ex;
483	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
484	>	public Item get() {
485		invoked();
486	<	throw new CFException();
486	>	throw ex;
487		}
488		}
489
490	<	class FailingConsumer extends CheckedIntegerAction
491	<	implements Consumer<Integer>
490	>	static class FailingConsumer extends CheckedItemAction
491	>	implements Consumer<Item>
492		{
493	<	FailingConsumer(ExecutionMode m) { super(m); }
494	<	public void accept(Integer x) {
493	>	final CFException ex;
494	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
495	>	public void accept(Item x) {
496		invoked();
497		value = x;
498	<	throw new CFException();
498	>	throw ex;
499		}
500		}
501
502	<	class FailingBiConsumer extends CheckedIntegerAction
503	<	implements BiConsumer<Integer, Integer>
502	>	static class FailingBiConsumer extends CheckedItemAction
503	>	implements BiConsumer<Item, Item>
504		{
505	<	FailingBiConsumer(ExecutionMode m) { super(m); }
506	<	public void accept(Integer x, Integer y) {
505	>	final CFException ex;
506	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
507	>	public void accept(Item x, Item y) {
508		invoked();
509		value = subtract(x, y);
510	<	throw new CFException();
510	>	throw ex;
511		}
512		}
513
514	<	class FailingFunction extends CheckedIntegerAction
515	<	implements Function<Integer, Integer>
514	>	static class FailingFunction extends CheckedItemAction
515	>	implements Function<Item, Item>
516		{
517	<	FailingFunction(ExecutionMode m) { super(m); }
518	<	public Integer apply(Integer x) {
517	>	final CFException ex;
518	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
519	>	public Item apply(Item x) {
520		invoked();
521		value = x;
522	<	throw new CFException();
522	>	throw ex;
523		}
524		}
525
526	<	class FailingBiFunction extends CheckedIntegerAction
527	<	implements BiFunction<Integer, Integer, Integer>
526	>	static class FailingBiFunction extends CheckedItemAction
527	>	implements BiFunction<Item, Item, Item>
528		{
529	<	FailingBiFunction(ExecutionMode m) { super(m); }
530	<	public Integer apply(Integer x, Integer y) {
529	>	final CFException ex;
530	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
531	>	public Item apply(Item x, Item y) {
532		invoked();
533		value = subtract(x, y);
534	<	throw new CFException();
534	>	throw ex;
535		}
536		}
537
538	<	class FailingRunnable extends CheckedAction implements Runnable {
539	<	FailingRunnable(ExecutionMode m) { super(m); }
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 new CFException();
543	>	throw ex;
544		}
545		}
546
547	<
548	<	class CompletableFutureInc extends CheckedIntegerAction
535	<	implements Function<Integer, CompletableFuture<Integer>>
547	>	static class CompletableFutureInc extends CheckedItemAction
548	>	implements Function<Item, CompletableFuture<Item>>
549		{
550		CompletableFutureInc(ExecutionMode m) { super(m); }
551	<	public CompletableFuture<Integer> apply(Integer x) {
551	>	public CompletableFuture<Item> apply(Item x) {
552		invoked();
553		value = x;
554	<	CompletableFuture<Integer> f = new CompletableFuture<>();
542	<	assertTrue(f.complete(inc(x)));
543	<	return f;
554	>	return CompletableFuture.completedFuture(inc(x));
555		}
556		}
557
558	<	class FailingCompletableFutureFunction extends CheckedIntegerAction
559	<	implements Function<Integer, CompletableFuture<Integer>>
558	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
559	>	implements Function<Throwable, CompletableFuture<Item>>
560		{
561	<	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
562	<	public CompletableFuture<Integer> apply(Integer x) {
561	>	final CFException ex;
562	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
563	>	public CompletableFuture<Item> apply(Throwable x) {
564	>	invoked();
565	>	throw ex;
566	>	}
567	>	}
568	>
569	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
570	>	implements Function<Throwable, CompletionStage<Item>> {
571	>	final Item value = three;
572	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
573	>	public CompletionStage<Item> apply(Throwable x) {
574	>	invoked();
575	>	return CompletableFuture.completedFuture(value);
576	>	}
577	>	}
578	>
579	>	static class FailingCompletableFutureFunction extends CheckedItemAction
580	>	implements Function<Item, CompletableFuture<Item>>
581	>	{
582	>	final CFException ex;
583	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
584	>	public CompletableFuture<Item> apply(Item x) {
585		invoked();
586		value = x;
587	<	throw new CFException();
587	>	throw ex;
588	>	}
589	>	}
590	>
591	>	static class CountingRejectingExecutor implements Executor {
592	>	final RejectedExecutionException ex = new RejectedExecutionException();
593	>	final AtomicInteger count = new AtomicInteger(0);
594	>	public void execute(Runnable r) {
595	>	count.getAndIncrement();
596	>	throw ex;
597		}
598		}
599
#	Line 569 | Line 611 | public class CompletableFutureTest exten
611		}
612		}
613
614	+	static final boolean defaultExecutorIsCommonPool
615	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
616	+
617		/**
618		* Permits the testing of parallel code for the 3 different
619		* execution modes without copy/pasting all the test methods.
620		*/
621		enum ExecutionMode {
622	<	DEFAULT {
622	>	SYNC {
623		public void checkExecutionMode() {
624		assertFalse(ThreadExecutor.startedCurrentThread());
625		assertNull(ForkJoinTask.getPool());
#	Line 646 | Line 691 | public class CompletableFutureTest exten
691		Function<? super T,U> a) {
692		return f.applyToEither(g, a);
693		}
694	+	public <T> CompletableFuture<T> exceptionally
695	+	(CompletableFuture<T> f,
696	+	Function<Throwable, ? extends T> fn) {
697	+	return f.exceptionally(fn);
698	+	}
699	+	public <T> CompletableFuture<T> exceptionallyCompose
700	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
701	+	return f.exceptionallyCompose(fn);
702	+	}
703		},
650	–
704		ASYNC {
705		public void checkExecutionMode() {
706	<	assertSame(ForkJoinPool.commonPool(),
707	<	ForkJoinTask.getPool());
706	>	mustEqual(defaultExecutorIsCommonPool,
707	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
708		}
709		public CompletableFuture<Void> runAsync(Runnable a) {
710		return CompletableFuture.runAsync(a);
#	Line 720 | Line 773 | public class CompletableFutureTest exten
773		Function<? super T,U> a) {
774		return f.applyToEitherAsync(g, a);
775		}
776	+	public <T> CompletableFuture<T> exceptionally
777	+	(CompletableFuture<T> f,
778	+	Function<Throwable, ? extends T> fn) {
779	+	return f.exceptionallyAsync(fn);
780	+	}
781	+
782	+	public <T> CompletableFuture<T> exceptionallyCompose
783	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
784	+	return f.exceptionallyComposeAsync(fn);
785	+	}
786	+
787		},
788
789		EXECUTOR {
#	Line 793 | Line 857 | public class CompletableFutureTest exten
857		Function<? super T,U> a) {
858		return f.applyToEitherAsync(g, a, new ThreadExecutor());
859		}
860	+	public <T> CompletableFuture<T> exceptionally
861	+	(CompletableFuture<T> f,
862	+	Function<Throwable, ? extends T> fn) {
863	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
864	+	}
865	+	public <T> CompletableFuture<T> exceptionallyCompose
866	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
867	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
868	+	}
869	+
870		};
871
872		public abstract void checkExecutionMode();
#	Line 835 | Line 909 | public class CompletableFutureTest exten
909		(CompletableFuture<T> f,
910		CompletionStage<? extends T> g,
911		Function<? super T,U> a);
912	+	public abstract <T> CompletableFuture<T> exceptionally
913	+	(CompletableFuture<T> f,
914	+	Function<Throwable, ? extends T> fn);
915	+	public abstract <T> CompletableFuture<T> exceptionallyCompose
916	+	(CompletableFuture<T> f,
917	+	Function<Throwable, ? extends CompletionStage<T>> fn);
918		}
919
920		/**
#	Line 842 | Line 922 | public class CompletableFutureTest exten
922		* normally, and source result is propagated
923		*/
924		public void testExceptionally_normalCompletion() {
925	+	for (ExecutionMode m : ExecutionMode.values())
926		for (boolean createIncomplete : new boolean[] { true, false })
927	<	for (Integer v1 : new Integer[] { 1, null })
927	>	for (Item v1 : new Item[] { one, null })
928		{
929	<	final AtomicInteger a = new AtomicInteger(0);
930	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
929	>	final AtomicInteger ran = new AtomicInteger(0);
930	>	final CompletableFuture<Item> f = new CompletableFuture<>();
931		if (!createIncomplete) assertTrue(f.complete(v1));
932	<	final CompletableFuture<Integer> g = f.exceptionally
933	<	((Throwable t) -> {
934	<	// Should not be called
935	<	a.getAndIncrement();
855	<	throw new AssertionError();
932	>	final CompletableFuture<Item> g = m.exceptionally
933	>	(f, (Throwable t) -> {
934	>	ran.getAndIncrement();
935	>	throw new AssertionError("should not be called");
936		});
937		if (createIncomplete) assertTrue(f.complete(v1));
938
939		checkCompletedNormally(g, v1);
940		checkCompletedNormally(f, v1);
941	<	assertEquals(0, a.get());
941	>	mustEqual(0, ran.get());
942		}}
943
944		/**
#	Line 866 | Line 946 | public class CompletableFutureTest exten
946		* exception
947		*/
948		public void testExceptionally_exceptionalCompletion() {
949	+	for (ExecutionMode m : ExecutionMode.values())
950		for (boolean createIncomplete : new boolean[] { true, false })
951	<	for (Integer v1 : new Integer[] { 1, null })
951	>	for (Item v1 : new Item[] { one, null })
952		{
953	<	final AtomicInteger a = new AtomicInteger(0);
953	>	final AtomicInteger ran = new AtomicInteger(0);
954		final CFException ex = new CFException();
955	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
955	>	final CompletableFuture<Item> f = new CompletableFuture<>();
956		if (!createIncomplete) f.completeExceptionally(ex);
957	<	final CompletableFuture<Integer> g = f.exceptionally
958	<	((Throwable t) -> {
959	<	ExecutionMode.DEFAULT.checkExecutionMode();
960	<	threadAssertSame(t, ex);
961	<	a.getAndIncrement();
957	>	final CompletableFuture<Item> g = m.exceptionally
958	>	(f, (Throwable t) -> {
959	>	m.checkExecutionMode();
960	>	assertSame(t, ex);
961	>	ran.getAndIncrement();
962		return v1;
963		});
964		if (createIncomplete) f.completeExceptionally(ex);
965
966		checkCompletedNormally(g, v1);
967	<	assertEquals(1, a.get());
967	>	mustEqual(1, ran.get());
968		}}
969
970	+	/**
971	+	* If an "exceptionally action" throws an exception, it completes
972	+	* exceptionally with that exception
973	+	*/
974		public void testExceptionally_exceptionalCompletionActionFailed() {
975	+	for (ExecutionMode m : ExecutionMode.values())
976		for (boolean createIncomplete : new boolean[] { true, false })
891	–	for (Integer v1 : new Integer[] { 1, null })
977		{
978	<	final AtomicInteger a = new AtomicInteger(0);
978	>	final AtomicInteger ran = new AtomicInteger(0);
979		final CFException ex1 = new CFException();
980		final CFException ex2 = new CFException();
981	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
981	>	final CompletableFuture<Item> f = new CompletableFuture<>();
982		if (!createIncomplete) f.completeExceptionally(ex1);
983	<	final CompletableFuture<Integer> g = f.exceptionally
984	<	((Throwable t) -> {
985	<	ExecutionMode.DEFAULT.checkExecutionMode();
986	<	threadAssertSame(t, ex1);
987	<	a.getAndIncrement();
983	>	final CompletableFuture<Item> g = m.exceptionally
984	>	(f, (Throwable t) -> {
985	>	m.checkExecutionMode();
986	>	assertSame(t, ex1);
987	>	ran.getAndIncrement();
988		throw ex2;
989		});
990		if (createIncomplete) f.completeExceptionally(ex1);
991
992		checkCompletedWithWrappedException(g, ex2);
993	<	assertEquals(1, a.get());
993	>	checkCompletedExceptionally(f, ex1);
994	>	mustEqual(1, ran.get());
995		}}
996
997		/**
998		* whenComplete action executes on normal completion, propagating
999		* source result.
1000		*/
1001	<	public void testWhenComplete_normalCompletion1() {
1001	>	public void testWhenComplete_normalCompletion() {
1002		for (ExecutionMode m : ExecutionMode.values())
1003		for (boolean createIncomplete : new boolean[] { true, false })
1004	<	for (Integer v1 : new Integer[] { 1, null })
1004	>	for (Item v1 : new Item[] { one, null })
1005		{
1006	<	final AtomicInteger a = new AtomicInteger(0);
1007	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	>	final AtomicInteger ran = new AtomicInteger(0);
1007	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1008		if (!createIncomplete) assertTrue(f.complete(v1));
1009	<	final CompletableFuture<Integer> g = m.whenComplete
1009	>	final CompletableFuture<Item> g = m.whenComplete
1010		(f,
1011	<	(Integer x, Throwable t) -> {
1011	>	(Item result, Throwable t) -> {
1012		m.checkExecutionMode();
1013	<	threadAssertSame(x, v1);
1014	<	threadAssertNull(t);
1015	<	a.getAndIncrement();
1013	>	assertSame(result, v1);
1014	>	assertNull(t);
1015	>	ran.getAndIncrement();
1016		});
1017		if (createIncomplete) assertTrue(f.complete(v1));
1018
1019		checkCompletedNormally(g, v1);
1020		checkCompletedNormally(f, v1);
1021	<	assertEquals(1, a.get());
1021	>	mustEqual(1, ran.get());
1022		}}
1023
1024		/**
#	Line 942 | Line 1028 | public class CompletableFutureTest exten
1028		public void testWhenComplete_exceptionalCompletion() {
1029		for (ExecutionMode m : ExecutionMode.values())
1030		for (boolean createIncomplete : new boolean[] { true, false })
945	–	for (Integer v1 : new Integer[] { 1, null })
1031		{
1032	<	final AtomicInteger a = new AtomicInteger(0);
1032	>	final AtomicInteger ran = new AtomicInteger(0);
1033		final CFException ex = new CFException();
1034	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1034	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1035		if (!createIncomplete) f.completeExceptionally(ex);
1036	<	final CompletableFuture<Integer> g = m.whenComplete
1036	>	final CompletableFuture<Item> g = m.whenComplete
1037		(f,
1038	<	(Integer x, Throwable t) -> {
1038	>	(Item result, Throwable t) -> {
1039		m.checkExecutionMode();
1040	<	threadAssertNull(x);
1041	<	threadAssertSame(t, ex);
1042	<	a.getAndIncrement();
1040	>	assertNull(result);
1041	>	assertSame(t, ex);
1042	>	ran.getAndIncrement();
1043		});
1044		if (createIncomplete) f.completeExceptionally(ex);
1045
1046		checkCompletedWithWrappedException(g, ex);
1047		checkCompletedExceptionally(f, ex);
1048	<	assertEquals(1, a.get());
1048	>	mustEqual(1, ran.get());
1049		}}
1050
1051		/**
#	Line 972 | Line 1057 | public class CompletableFutureTest exten
1057		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1058		for (boolean createIncomplete : new boolean[] { true, false })
1059		{
1060	<	final AtomicInteger a = new AtomicInteger(0);
1061	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1060	>	final AtomicInteger ran = new AtomicInteger(0);
1061	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1062		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1063	<	final CompletableFuture<Integer> g = m.whenComplete
1063	>	final CompletableFuture<Item> g = m.whenComplete
1064		(f,
1065	<	(Integer x, Throwable t) -> {
1065	>	(Item result, Throwable t) -> {
1066		m.checkExecutionMode();
1067	<	threadAssertNull(x);
1068	<	threadAssertTrue(t instanceof CancellationException);
1069	<	a.getAndIncrement();
1067	>	assertNull(result);
1068	>	assertTrue(t instanceof CancellationException);
1069	>	ran.getAndIncrement();
1070		});
1071		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1072
1073		checkCompletedWithWrappedCancellationException(g);
1074		checkCancelled(f);
1075	<	assertEquals(1, a.get());
1075	>	mustEqual(1, ran.get());
1076		}}
1077
1078		/**
1079		* If a whenComplete action throws an exception when triggered by
1080		* a normal completion, it completes exceptionally
1081		*/
1082	<	public void testWhenComplete_actionFailed() {
1082	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1083		for (boolean createIncomplete : new boolean[] { true, false })
1084		for (ExecutionMode m : ExecutionMode.values())
1085	<	for (Integer v1 : new Integer[] { 1, null })
1085	>	for (Item v1 : new Item[] { one, null })
1086		{
1087	<	final AtomicInteger a = new AtomicInteger(0);
1087	>	final AtomicInteger ran = new AtomicInteger(0);
1088		final CFException ex = new CFException();
1089	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1089	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1090		if (!createIncomplete) assertTrue(f.complete(v1));
1091	<	final CompletableFuture<Integer> g = m.whenComplete
1091	>	final CompletableFuture<Item> g = m.whenComplete
1092		(f,
1093	<	(Integer x, Throwable t) -> {
1093	>	(Item result, Throwable t) -> {
1094		m.checkExecutionMode();
1095	<	threadAssertSame(x, v1);
1096	<	threadAssertNull(t);
1097	<	a.getAndIncrement();
1095	>	assertSame(result, v1);
1096	>	assertNull(t);
1097	>	ran.getAndIncrement();
1098		throw ex;
1099		});
1100		if (createIncomplete) assertTrue(f.complete(v1));
1101
1102		checkCompletedWithWrappedException(g, ex);
1103		checkCompletedNormally(f, v1);
1104	<	assertEquals(1, a.get());
1104	>	mustEqual(1, ran.get());
1105		}}
1106
1107		/**
1108		* If a whenComplete action throws an exception when triggered by
1109		* a source completion that also throws an exception, the source
1110	<	* exception takes precedence.
1110	>	* exception takes precedence (unlike handle)
1111		*/
1112	<	public void testWhenComplete_actionFailedSourceFailed() {
1112	>	public void testWhenComplete_sourceFailedActionFailed() {
1113		for (boolean createIncomplete : new boolean[] { true, false })
1114		for (ExecutionMode m : ExecutionMode.values())
1030	–	for (Integer v1 : new Integer[] { 1, null })
1115		{
1116	<	final AtomicInteger a = new AtomicInteger(0);
1116	>	final AtomicInteger ran = new AtomicInteger(0);
1117		final CFException ex1 = new CFException();
1118		final CFException ex2 = new CFException();
1119	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1119	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1120
1121		if (!createIncomplete) f.completeExceptionally(ex1);
1122	<	final CompletableFuture<Integer> g = m.whenComplete
1122	>	final CompletableFuture<Item> g = m.whenComplete
1123		(f,
1124	<	(Integer x, Throwable t) -> {
1124	>	(Item result, Throwable t) -> {
1125		m.checkExecutionMode();
1126	<	threadAssertSame(t, ex1);
1127	<	threadAssertNull(x);
1128	<	a.getAndIncrement();
1126	>	assertSame(t, ex1);
1127	>	assertNull(result);
1128	>	ran.getAndIncrement();
1129		throw ex2;
1130		});
1131		if (createIncomplete) f.completeExceptionally(ex1);
1132
1133		checkCompletedWithWrappedException(g, ex1);
1134		checkCompletedExceptionally(f, ex1);
1135	<	assertEquals(1, a.get());
1135	>	if (testImplementationDetails) {
1136	>	mustEqual(1, ex1.getSuppressed().length);
1137	>	assertSame(ex2, ex1.getSuppressed()[0]);
1138	>	}
1139	>	mustEqual(1, ran.get());
1140		}}
1141
1142		/**
#	Line 1058 | Line 1146 | public class CompletableFutureTest exten
1146		public void testHandle_normalCompletion() {
1147		for (ExecutionMode m : ExecutionMode.values())
1148		for (boolean createIncomplete : new boolean[] { true, false })
1149	<	for (Integer v1 : new Integer[] { 1, null })
1149	>	for (Item v1 : new Item[] { one, null })
1150		{
1151	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1152	<	final AtomicInteger a = new AtomicInteger(0);
1151	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1152	>	final AtomicInteger ran = new AtomicInteger(0);
1153		if (!createIncomplete) assertTrue(f.complete(v1));
1154	<	final CompletableFuture<Integer> g = m.handle
1154	>	final CompletableFuture<Item> g = m.handle
1155		(f,
1156	<	(Integer x, Throwable t) -> {
1156	>	(Item result, Throwable t) -> {
1157		m.checkExecutionMode();
1158	<	threadAssertSame(x, v1);
1159	<	threadAssertNull(t);
1160	<	a.getAndIncrement();
1158	>	assertSame(result, v1);
1159	>	assertNull(t);
1160	>	ran.getAndIncrement();
1161		return inc(v1);
1162		});
1163		if (createIncomplete) assertTrue(f.complete(v1));
1164
1165		checkCompletedNormally(g, inc(v1));
1166		checkCompletedNormally(f, v1);
1167	<	assertEquals(1, a.get());
1167	>	mustEqual(1, ran.get());
1168		}}
1169
1170		/**
#	Line 1086 | Line 1174 | public class CompletableFutureTest exten
1174		public void testHandle_exceptionalCompletion() {
1175		for (ExecutionMode m : ExecutionMode.values())
1176		for (boolean createIncomplete : new boolean[] { true, false })
1177	<	for (Integer v1 : new Integer[] { 1, null })
1177	>	for (Item v1 : new Item[] { one, null })
1178		{
1179	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1180	<	final AtomicInteger a = new AtomicInteger(0);
1179	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1180	>	final AtomicInteger ran = new AtomicInteger(0);
1181		final CFException ex = new CFException();
1182		if (!createIncomplete) f.completeExceptionally(ex);
1183	<	final CompletableFuture<Integer> g = m.handle
1183	>	final CompletableFuture<Item> g = m.handle
1184		(f,
1185	<	(Integer x, Throwable t) -> {
1185	>	(Item result, Throwable t) -> {
1186		m.checkExecutionMode();
1187	<	threadAssertNull(x);
1188	<	threadAssertSame(t, ex);
1189	<	a.getAndIncrement();
1187	>	assertNull(result);
1188	>	assertSame(t, ex);
1189	>	ran.getAndIncrement();
1190		return v1;
1191		});
1192		if (createIncomplete) f.completeExceptionally(ex);
1193
1194		checkCompletedNormally(g, v1);
1195		checkCompletedExceptionally(f, ex);
1196	<	assertEquals(1, a.get());
1196	>	mustEqual(1, ran.get());
1197		}}
1198
1199		/**
#	Line 1116 | Line 1204 | public class CompletableFutureTest exten
1204		for (ExecutionMode m : ExecutionMode.values())
1205		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1206		for (boolean createIncomplete : new boolean[] { true, false })
1207	<	for (Integer v1 : new Integer[] { 1, null })
1207	>	for (Item v1 : new Item[] { one, null })
1208		{
1209	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1210	<	final AtomicInteger a = new AtomicInteger(0);
1209	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1210	>	final AtomicInteger ran = new AtomicInteger(0);
1211		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1212	<	final CompletableFuture<Integer> g = m.handle
1212	>	final CompletableFuture<Item> g = m.handle
1213		(f,
1214	<	(Integer x, Throwable t) -> {
1214	>	(Item result, Throwable t) -> {
1215		m.checkExecutionMode();
1216	<	threadAssertNull(x);
1217	<	threadAssertTrue(t instanceof CancellationException);
1218	<	a.getAndIncrement();
1216	>	assertNull(result);
1217	>	assertTrue(t instanceof CancellationException);
1218	>	ran.getAndIncrement();
1219		return v1;
1220		});
1221		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1222
1223		checkCompletedNormally(g, v1);
1224		checkCancelled(f);
1225	<	assertEquals(1, a.get());
1225	>	mustEqual(1, ran.get());
1226		}}
1227
1228		/**
1229	<	* handle result completes exceptionally if action does
1229	>	* If a "handle action" throws an exception when triggered by
1230	>	* a normal completion, it completes exceptionally
1231		*/
1232	<	public void testHandle_sourceFailedActionFailed() {
1232	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1233		for (ExecutionMode m : ExecutionMode.values())
1234		for (boolean createIncomplete : new boolean[] { true, false })
1235	+	for (Item v1 : new Item[] { one, null })
1236		{
1237	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1238	<	final AtomicInteger a = new AtomicInteger(0);
1239	<	final CFException ex1 = new CFException();
1240	<	final CFException ex2 = new CFException();
1241	<	if (!createIncomplete) f.completeExceptionally(ex1);
1152	<	final CompletableFuture<Integer> g = m.handle
1237	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1238	>	final AtomicInteger ran = new AtomicInteger(0);
1239	>	final CFException ex = new CFException();
1240	>	if (!createIncomplete) assertTrue(f.complete(v1));
1241	>	final CompletableFuture<Item> g = m.handle
1242		(f,
1243	<	(Integer x, Throwable t) -> {
1243	>	(Item result, Throwable t) -> {
1244		m.checkExecutionMode();
1245	<	threadAssertNull(x);
1246	<	threadAssertSame(ex1, t);
1247	<	a.getAndIncrement();
1248	<	throw ex2;
1245	>	assertSame(result, v1);
1246	>	assertNull(t);
1247	>	ran.getAndIncrement();
1248	>	throw ex;
1249		});
1250	<	if (createIncomplete) f.completeExceptionally(ex1);
1250	>	if (createIncomplete) assertTrue(f.complete(v1));
1251
1252	<	checkCompletedWithWrappedException(g, ex2);
1253	<	checkCompletedExceptionally(f, ex1);
1254	<	assertEquals(1, a.get());
1252	>	checkCompletedWithWrappedException(g, ex);
1253	>	checkCompletedNormally(f, v1);
1254	>	mustEqual(1, ran.get());
1255		}}
1256
1257	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1258	<	for (ExecutionMode m : ExecutionMode.values())
1257	>	/**
1258	>	* If a "handle action" throws an exception when triggered by
1259	>	* a source completion that also throws an exception, the action
1260	>	* exception takes precedence (unlike whenComplete)
1261	>	*/
1262	>	public void testHandle_sourceFailedActionFailed() {
1263		for (boolean createIncomplete : new boolean[] { true, false })
1264	<	for (Integer v1 : new Integer[] { 1, null })
1264	>	for (ExecutionMode m : ExecutionMode.values())
1265		{
1266	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1267	<	final AtomicInteger a = new AtomicInteger(0);
1268	<	final CFException ex = new CFException();
1269	<	if (!createIncomplete) assertTrue(f.complete(v1));
1270	<	final CompletableFuture<Integer> g = m.handle
1266	>	final AtomicInteger ran = new AtomicInteger(0);
1267	>	final CFException ex1 = new CFException();
1268	>	final CFException ex2 = new CFException();
1269	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1270	>
1271	>	if (!createIncomplete) f.completeExceptionally(ex1);
1272	>	final CompletableFuture<Item> g = m.handle
1273		(f,
1274	<	(Integer x, Throwable t) -> {
1274	>	(Item result, Throwable t) -> {
1275		m.checkExecutionMode();
1276	<	threadAssertSame(x, v1);
1277	<	threadAssertNull(t);
1278	<	a.getAndIncrement();
1279	<	throw ex;
1276	>	assertNull(result);
1277	>	assertSame(ex1, t);
1278	>	ran.getAndIncrement();
1279	>	throw ex2;
1280		});
1281	<	if (createIncomplete) assertTrue(f.complete(v1));
1281	>	if (createIncomplete) f.completeExceptionally(ex1);
1282
1283	<	checkCompletedWithWrappedException(g, ex);
1284	<	checkCompletedNormally(f, v1);
1285	<	assertEquals(1, a.get());
1283	>	checkCompletedWithWrappedException(g, ex2);
1284	>	checkCompletedExceptionally(f, ex1);
1285	>	mustEqual(1, ran.get());
1286		}}
1287
1288		/**
#	Line 1219 | Line 1314 | public class CompletableFutureTest exten
1314		{
1315		final FailingRunnable r = new FailingRunnable(m);
1316		final CompletableFuture<Void> f = m.runAsync(r);
1317	<	checkCompletedWithWrappedCFException(f);
1317	>	checkCompletedWithWrappedException(f, r.ex);
1318		r.assertInvoked();
1319		}}
1320
1321	+	@SuppressWarnings("FutureReturnValueIgnored")
1322	+	public void testRunAsync_rejectingExecutor() {
1323	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1324	+	try {
1325	+	CompletableFuture.runAsync(() -> {}, e);
1326	+	shouldThrow();
1327	+	} catch (Throwable t) {
1328	+	assertSame(e.ex, t);
1329	+	}
1330	+
1331	+	mustEqual(1, e.count.get());
1332	+	}
1333	+
1334		/**
1335		* supplyAsync completes with result of supplier
1336		*/
#	Line 1232 | Line 1340 | public class CompletableFutureTest exten
1340		ExecutionMode.EXECUTOR,
1341		};
1342		for (ExecutionMode m : executionModes)
1343	<	for (Integer v1 : new Integer[] { 1, null })
1343	>	for (Item v1 : new Item[] { one, null })
1344		{
1345	<	final IntegerSupplier r = new IntegerSupplier(m, v1);
1346	<	final CompletableFuture<Integer> f = m.supplyAsync(r);
1345	>	final ItemSupplier r = new ItemSupplier(m, v1);
1346	>	final CompletableFuture<Item> f = m.supplyAsync(r);
1347		assertSame(v1, f.join());
1348		checkCompletedNormally(f, v1);
1349		r.assertInvoked();
#	Line 1252 | Line 1360 | public class CompletableFutureTest exten
1360		for (ExecutionMode m : executionModes)
1361		{
1362		FailingSupplier r = new FailingSupplier(m);
1363	<	CompletableFuture<Integer> f = m.supplyAsync(r);
1364	<	checkCompletedWithWrappedCFException(f);
1363	>	CompletableFuture<Item> f = m.supplyAsync(r);
1364	>	checkCompletedWithWrappedException(f, r.ex);
1365		r.assertInvoked();
1366		}}
1367
1368	+	@SuppressWarnings("FutureReturnValueIgnored")
1369	+	public void testSupplyAsync_rejectingExecutor() {
1370	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1371	+	try {
1372	+	CompletableFuture.supplyAsync(() -> null, e);
1373	+	shouldThrow();
1374	+	} catch (Throwable t) {
1375	+	assertSame(e.ex, t);
1376	+	}
1377	+
1378	+	mustEqual(1, e.count.get());
1379	+	}
1380	+
1381		// seq completion methods
1382
1383		/**
#	Line 1264 | Line 1385 | public class CompletableFutureTest exten
1385		*/
1386		public void testThenRun_normalCompletion() {
1387		for (ExecutionMode m : ExecutionMode.values())
1388	<	for (Integer v1 : new Integer[] { 1, null })
1388	>	for (Item v1 : new Item[] { one, null })
1389		{
1390	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1390	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1391		final Noop[] rs = new Noop[6];
1392		for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1393
#	Line 1299 | Line 1420 | public class CompletableFutureTest exten
1420		for (ExecutionMode m : ExecutionMode.values())
1421		{
1422		final CFException ex = new CFException();
1423	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1423	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1424		final Noop[] rs = new Noop[6];
1425		for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1426
#	Line 1331 | Line 1452 | public class CompletableFutureTest exten
1452		for (ExecutionMode m : ExecutionMode.values())
1453		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1454		{
1455	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1455	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1456		final Noop[] rs = new Noop[6];
1457		for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1458
#	Line 1361 | Line 1482 | public class CompletableFutureTest exten
1482		*/
1483		public void testThenRun_actionFailed() {
1484		for (ExecutionMode m : ExecutionMode.values())
1485	<	for (Integer v1 : new Integer[] { 1, null })
1485	>	for (Item v1 : new Item[] { one, null })
1486		{
1487	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1487	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1488		final FailingRunnable[] rs = new FailingRunnable[6];
1489		for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1490
#	Line 1375 | Line 1496 | public class CompletableFutureTest exten
1496		final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1497		final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1498
1499	<	checkCompletedWithWrappedCFException(h0);
1500	<	checkCompletedWithWrappedCFException(h1);
1501	<	checkCompletedWithWrappedCFException(h2);
1502	<	checkCompletedWithWrappedCFException(h3);
1503	<	checkCompletedWithWrappedCFException(h4);
1504	<	checkCompletedWithWrappedCFException(h5);
1499	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1500	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1501	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1502	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1503	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1504	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1505		checkCompletedNormally(f, v1);
1506		}}
1507
#	Line 1389 | Line 1510 | public class CompletableFutureTest exten
1510		*/
1511		public void testThenApply_normalCompletion() {
1512		for (ExecutionMode m : ExecutionMode.values())
1513	<	for (Integer v1 : new Integer[] { 1, null })
1513	>	for (Item v1 : new Item[] { one, null })
1514		{
1515	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1515	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1516		final IncFunction[] rs = new IncFunction[4];
1517		for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1518
1519	<	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1520	<	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1519	>	final CompletableFuture<Item> h0 = m.thenApply(f, rs[0]);
1520	>	final CompletableFuture<Item> h1 = m.applyToEither(f, f, rs[1]);
1521		checkIncomplete(h0);
1522		checkIncomplete(h1);
1523		assertTrue(f.complete(v1));
1524	<	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1525	<	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524	>	final CompletableFuture<Item> h2 = m.thenApply(f, rs[2]);
1525	>	final CompletableFuture<Item> h3 = m.applyToEither(f, f, rs[3]);
1526
1527		checkCompletedNormally(h0, inc(v1));
1528		checkCompletedNormally(h1, inc(v1));
#	Line 1419 | Line 1540 | public class CompletableFutureTest exten
1540		for (ExecutionMode m : ExecutionMode.values())
1541		{
1542		final CFException ex = new CFException();
1543	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1543	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1544		final IncFunction[] rs = new IncFunction[4];
1545		for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1546
1547	<	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1548	<	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1547	>	final CompletableFuture<Item> h0 = m.thenApply(f, rs[0]);
1548	>	final CompletableFuture<Item> h1 = m.applyToEither(f, f, rs[1]);
1549		assertTrue(f.completeExceptionally(ex));
1550	<	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1551	<	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1550	>	final CompletableFuture<Item> h2 = m.thenApply(f, rs[2]);
1551	>	final CompletableFuture<Item> h3 = m.applyToEither(f, f, rs[3]);
1552
1553		checkCompletedWithWrappedException(h0, ex);
1554		checkCompletedWithWrappedException(h1, ex);
#	Line 1444 | Line 1565 | public class CompletableFutureTest exten
1565		for (ExecutionMode m : ExecutionMode.values())
1566		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1567		{
1568	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1568	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1569		final IncFunction[] rs = new IncFunction[4];
1570		for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1571
1572	<	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1573	<	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1572	>	final CompletableFuture<Item> h0 = m.thenApply(f, rs[0]);
1573	>	final CompletableFuture<Item> h1 = m.applyToEither(f, f, rs[1]);
1574		assertTrue(f.cancel(mayInterruptIfRunning));
1575	<	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1576	<	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1575	>	final CompletableFuture<Item> h2 = m.thenApply(f, rs[2]);
1576	>	final CompletableFuture<Item> h3 = m.applyToEither(f, f, rs[3]);
1577
1578		checkCompletedWithWrappedCancellationException(h0);
1579		checkCompletedWithWrappedCancellationException(h1);
#	Line 1467 | Line 1588 | public class CompletableFutureTest exten
1588		*/
1589		public void testThenApply_actionFailed() {
1590		for (ExecutionMode m : ExecutionMode.values())
1591	<	for (Integer v1 : new Integer[] { 1, null })
1591	>	for (Item v1 : new Item[] { one, null })
1592		{
1593	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1593	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1594		final FailingFunction[] rs = new FailingFunction[4];
1595		for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1596
1597	<	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1598	<	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1597	>	final CompletableFuture<Item> h0 = m.thenApply(f, rs[0]);
1598	>	final CompletableFuture<Item> h1 = m.applyToEither(f, f, rs[1]);
1599		assertTrue(f.complete(v1));
1600	<	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1601	<	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1600	>	final CompletableFuture<Item> h2 = m.thenApply(f, rs[2]);
1601	>	final CompletableFuture<Item> h3 = m.applyToEither(f, f, rs[3]);
1602
1603	<	checkCompletedWithWrappedCFException(h0);
1604	<	checkCompletedWithWrappedCFException(h1);
1605	<	checkCompletedWithWrappedCFException(h2);
1606	<	checkCompletedWithWrappedCFException(h3);
1603	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1604	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1605	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1606	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1607		checkCompletedNormally(f, v1);
1608		}}
1609
#	Line 1491 | Line 1612 | public class CompletableFutureTest exten
1612		*/
1613		public void testThenAccept_normalCompletion() {
1614		for (ExecutionMode m : ExecutionMode.values())
1615	<	for (boolean createIncomplete : new boolean[] { true, false })
1495	<	for (Integer v1 : new Integer[] { 1, null })
1615	>	for (Item v1 : new Item[] { one, null })
1616		{
1617	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1618	<	final NoopConsumer r = new NoopConsumer(m);
1619	<	if (!createIncomplete) assertTrue(f.complete(v1));
1500	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1501	<	if (createIncomplete) {
1502	<	checkIncomplete(g);
1503	<	assertTrue(f.complete(v1));
1504	<	}
1617	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1618	>	final NoopConsumer[] rs = new NoopConsumer[4];
1619	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1620
1621	<	checkCompletedNormally(g, null);
1622	<	r.assertValue(v1);
1621	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1622	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1623	>	checkIncomplete(h0);
1624	>	checkIncomplete(h1);
1625	>	assertTrue(f.complete(v1));
1626	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1627	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1628	>
1629	>	checkCompletedNormally(h0, null);
1630	>	checkCompletedNormally(h1, null);
1631	>	checkCompletedNormally(h2, null);
1632	>	checkCompletedNormally(h3, null);
1633		checkCompletedNormally(f, v1);
1634	+	for (NoopConsumer r : rs) r.assertValue(v1);
1635		}}
1636
1637		/**
#	Line 1514 | Line 1640 | public class CompletableFutureTest exten
1640		*/
1641		public void testThenAccept_exceptionalCompletion() {
1642		for (ExecutionMode m : ExecutionMode.values())
1517	–	for (boolean createIncomplete : new boolean[] { true, false })
1643		{
1644		final CFException ex = new CFException();
1645	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1646	<	final NoopConsumer r = new NoopConsumer(m);
1647	<	if (!createIncomplete) f.completeExceptionally(ex);
1523	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1524	<	if (createIncomplete) {
1525	<	checkIncomplete(g);
1526	<	f.completeExceptionally(ex);
1527	<	}
1645	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1646	>	final NoopConsumer[] rs = new NoopConsumer[4];
1647	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1648
1649	<	checkCompletedWithWrappedException(g, ex);
1649	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1650	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1651	>	assertTrue(f.completeExceptionally(ex));
1652	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1653	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1654	>
1655	>	checkCompletedWithWrappedException(h0, ex);
1656	>	checkCompletedWithWrappedException(h1, ex);
1657	>	checkCompletedWithWrappedException(h2, ex);
1658	>	checkCompletedWithWrappedException(h3, ex);
1659		checkCompletedExceptionally(f, ex);
1660	<	r.assertNotInvoked();
1660	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1661		}}
1662
1663		/**
#	Line 1536 | Line 1665 | public class CompletableFutureTest exten
1665		*/
1666		public void testThenAccept_sourceCancelled() {
1667		for (ExecutionMode m : ExecutionMode.values())
1539	–	for (boolean createIncomplete : new boolean[] { true, false })
1668		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1669		{
1670	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1671	<	final NoopConsumer r = new NoopConsumer(m);
1672	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1545	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1546	<	if (createIncomplete) {
1547	<	checkIncomplete(g);
1548	<	assertTrue(f.cancel(mayInterruptIfRunning));
1549	<	}
1670	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1671	>	final NoopConsumer[] rs = new NoopConsumer[4];
1672	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1673
1674	<	checkCompletedWithWrappedCancellationException(g);
1674	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1675	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1676	>	assertTrue(f.cancel(mayInterruptIfRunning));
1677	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1678	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1679	>
1680	>	checkCompletedWithWrappedCancellationException(h0);
1681	>	checkCompletedWithWrappedCancellationException(h1);
1682	>	checkCompletedWithWrappedCancellationException(h2);
1683	>	checkCompletedWithWrappedCancellationException(h3);
1684		checkCancelled(f);
1685	<	r.assertNotInvoked();
1685	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1686		}}
1687
1688		/**
#	Line 1558 | Line 1690 | public class CompletableFutureTest exten
1690		*/
1691		public void testThenAccept_actionFailed() {
1692		for (ExecutionMode m : ExecutionMode.values())
1693	<	for (boolean createIncomplete : new boolean[] { true, false })
1562	<	for (Integer v1 : new Integer[] { 1, null })
1693	>	for (Item v1 : new Item[] { one, null })
1694		{
1695	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1696	<	final FailingConsumer r = new FailingConsumer(m);
1697	<	if (!createIncomplete) f.complete(v1);
1567	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1568	<	if (createIncomplete) {
1569	<	checkIncomplete(g);
1570	<	f.complete(v1);
1571	<	}
1695	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1696	>	final FailingConsumer[] rs = new FailingConsumer[4];
1697	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1698
1699	<	checkCompletedWithWrappedCFException(g);
1699	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1700	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1701	>	assertTrue(f.complete(v1));
1702	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1703	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1704	>
1705	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1706	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1707	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1708	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1709		checkCompletedNormally(f, v1);
1710		}}
1711
#	Line 1581 | Line 1716 | public class CompletableFutureTest exten
1716		public void testThenCombine_normalCompletion() {
1717		for (ExecutionMode m : ExecutionMode.values())
1718		for (boolean fFirst : new boolean[] { true, false })
1719	<	for (Integer v1 : new Integer[] { 1, null })
1720	<	for (Integer v2 : new Integer[] { 2, null })
1719	>	for (Item v1 : new Item[] { one, null })
1720	>	for (Item v2 : new Item[] { two, null })
1721		{
1722	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1723	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1724	<	final SubtractFunction r1 = new SubtractFunction(m);
1725	<	final SubtractFunction r2 = new SubtractFunction(m);
1726	<	final SubtractFunction r3 = new SubtractFunction(m);
1727	<
1728	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1729	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1730	<	final Integer w1 =  fFirst ? v1 : v2;
1596	<	final Integer w2 = !fFirst ? v1 : v2;
1722	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1723	>	final CompletableFuture<Item> g = new CompletableFuture<>();
1724	>	final SubtractFunction[] rs = new SubtractFunction[6];
1725	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1726	>
1727	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
1728	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
1729	>	final Item w1 =  fFirst ? v1 : v2;
1730	>	final Item w2 = !fFirst ? v1 : v2;
1731
1732	<	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1732	>	final CompletableFuture<Item> h0 = m.thenCombine(f, g, rs[0]);
1733	>	final CompletableFuture<Item> h1 = m.thenCombine(fst, fst, rs[1]);
1734		assertTrue(fst.complete(w1));
1735	<	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1736	<	checkIncomplete(h1);
1737	<	checkIncomplete(h2);
1738	<	r1.assertNotInvoked();
1739	<	r2.assertNotInvoked();
1735	>	final CompletableFuture<Item> h2 = m.thenCombine(f, g, rs[2]);
1736	>	final CompletableFuture<Item> h3 = m.thenCombine(fst, fst, rs[3]);
1737	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1738	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1739	>	checkCompletedNormally(h1, subtract(w1, w1));
1740	>	checkCompletedNormally(h3, subtract(w1, w1));
1741	>	rs[1].assertValue(subtract(w1, w1));
1742	>	rs[3].assertValue(subtract(w1, w1));
1743		assertTrue(snd.complete(w2));
1744	<	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1744	>	final CompletableFuture<Item> h4 = m.thenCombine(f, g, rs[4]);
1745
1746	<	checkCompletedNormally(h1, subtract(v1, v2));
1746	>	checkCompletedNormally(h0, subtract(v1, v2));
1747		checkCompletedNormally(h2, subtract(v1, v2));
1748	<	checkCompletedNormally(h3, subtract(v1, v2));
1749	<	r1.assertValue(subtract(v1, v2));
1750	<	r2.assertValue(subtract(v1, v2));
1751	<	r3.assertValue(subtract(v1, v2));
1748	>	checkCompletedNormally(h4, subtract(v1, v2));
1749	>	rs[0].assertValue(subtract(v1, v2));
1750	>	rs[2].assertValue(subtract(v1, v2));
1751	>	rs[4].assertValue(subtract(v1, v2));
1752	>
1753		checkCompletedNormally(f, v1);
1754		checkCompletedNormally(g, v2);
1755		}}
#	Line 1623 | Line 1762 | public class CompletableFutureTest exten
1762		for (ExecutionMode m : ExecutionMode.values())
1763		for (boolean fFirst : new boolean[] { true, false })
1764		for (boolean failFirst : new boolean[] { true, false })
1765	<	for (Integer v1 : new Integer[] { 1, null })
1765	>	for (Item v1 : new Item[] { one, null })
1766		{
1767	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1768	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1767	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1768	>	final CompletableFuture<Item> g = new CompletableFuture<>();
1769		final CFException ex = new CFException();
1770		final SubtractFunction r1 = new SubtractFunction(m);
1771		final SubtractFunction r2 = new SubtractFunction(m);
1772		final SubtractFunction r3 = new SubtractFunction(m);
1773
1774	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1775	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1774	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
1775	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
1776		final Callable<Boolean> complete1 = failFirst ?
1777		() -> fst.completeExceptionally(ex) :
1778		() -> fst.complete(v1);
#	Line 1641 | Line 1780 | public class CompletableFutureTest exten
1780		() -> snd.complete(v1) :
1781		() -> snd.completeExceptionally(ex);
1782
1783	<	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1783	>	final CompletableFuture<Item> h1 = m.thenCombine(f, g, r1);
1784		assertTrue(complete1.call());
1785	<	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1785	>	final CompletableFuture<Item> h2 = m.thenCombine(f, g, r2);
1786		checkIncomplete(h1);
1787		checkIncomplete(h2);
1788		assertTrue(complete2.call());
1789	<	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1789	>	final CompletableFuture<Item> h3 = m.thenCombine(f, g, r3);
1790
1791		checkCompletedWithWrappedException(h1, ex);
1792		checkCompletedWithWrappedException(h2, ex);
#	Line 1667 | Line 1806 | public class CompletableFutureTest exten
1806		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1807		for (boolean fFirst : new boolean[] { true, false })
1808		for (boolean failFirst : new boolean[] { true, false })
1809	<	for (Integer v1 : new Integer[] { 1, null })
1809	>	for (Item v1 : new Item[] { one, null })
1810		{
1811	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1812	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1811	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1812	>	final CompletableFuture<Item> g = new CompletableFuture<>();
1813		final SubtractFunction r1 = new SubtractFunction(m);
1814		final SubtractFunction r2 = new SubtractFunction(m);
1815		final SubtractFunction r3 = new SubtractFunction(m);
1816
1817	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1818	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1817	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
1818	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
1819		final Callable<Boolean> complete1 = failFirst ?
1820		() -> fst.cancel(mayInterruptIfRunning) :
1821		() -> fst.complete(v1);
#	Line 1684 | Line 1823 | public class CompletableFutureTest exten
1823		() -> snd.complete(v1) :
1824		() -> snd.cancel(mayInterruptIfRunning);
1825
1826	<	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1826	>	final CompletableFuture<Item> h1 = m.thenCombine(f, g, r1);
1827		assertTrue(complete1.call());
1828	<	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1828	>	final CompletableFuture<Item> h2 = m.thenCombine(f, g, r2);
1829		checkIncomplete(h1);
1830		checkIncomplete(h2);
1831		assertTrue(complete2.call());
1832	<	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1832	>	final CompletableFuture<Item> h3 = m.thenCombine(f, g, r3);
1833
1834		checkCompletedWithWrappedCancellationException(h1);
1835		checkCompletedWithWrappedCancellationException(h2);
#	Line 1708 | Line 1847 | public class CompletableFutureTest exten
1847		public void testThenCombine_actionFailed() {
1848		for (ExecutionMode m : ExecutionMode.values())
1849		for (boolean fFirst : new boolean[] { true, false })
1850	<	for (Integer v1 : new Integer[] { 1, null })
1851	<	for (Integer v2 : new Integer[] { 2, null })
1850	>	for (Item v1 : new Item[] { one, null })
1851	>	for (Item v2 : new Item[] { two, null })
1852		{
1853	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1854	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1853	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1854	>	final CompletableFuture<Item> g = new CompletableFuture<>();
1855		final FailingBiFunction r1 = new FailingBiFunction(m);
1856		final FailingBiFunction r2 = new FailingBiFunction(m);
1857		final FailingBiFunction r3 = new FailingBiFunction(m);
1858
1859	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1860	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1861	<	final Integer w1 =  fFirst ? v1 : v2;
1862	<	final Integer w2 = !fFirst ? v1 : v2;
1859	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
1860	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
1861	>	final Item w1 =  fFirst ? v1 : v2;
1862	>	final Item w2 = !fFirst ? v1 : v2;
1863
1864	<	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1864	>	final CompletableFuture<Item> h1 = m.thenCombine(f, g, r1);
1865		assertTrue(fst.complete(w1));
1866	<	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1866	>	final CompletableFuture<Item> h2 = m.thenCombine(f, g, r2);
1867		assertTrue(snd.complete(w2));
1868	<	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1868	>	final CompletableFuture<Item> h3 = m.thenCombine(f, g, r3);
1869
1870	<	checkCompletedWithWrappedCFException(h1);
1871	<	checkCompletedWithWrappedCFException(h2);
1872	<	checkCompletedWithWrappedCFException(h3);
1870	>	checkCompletedWithWrappedException(h1, r1.ex);
1871	>	checkCompletedWithWrappedException(h2, r2.ex);
1872	>	checkCompletedWithWrappedException(h3, r3.ex);
1873		r1.assertInvoked();
1874		r2.assertInvoked();
1875		r3.assertInvoked();
#	Line 1745 | Line 1884 | public class CompletableFutureTest exten
1884		public void testThenAcceptBoth_normalCompletion() {
1885		for (ExecutionMode m : ExecutionMode.values())
1886		for (boolean fFirst : new boolean[] { true, false })
1887	<	for (Integer v1 : new Integer[] { 1, null })
1888	<	for (Integer v2 : new Integer[] { 2, null })
1887	>	for (Item v1 : new Item[] { one, null })
1888	>	for (Item v2 : new Item[] { two, null })
1889		{
1890	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1891	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1890	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1891	>	final CompletableFuture<Item> g = new CompletableFuture<>();
1892		final SubtractAction r1 = new SubtractAction(m);
1893		final SubtractAction r2 = new SubtractAction(m);
1894		final SubtractAction r3 = new SubtractAction(m);
1895
1896	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1897	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1898	<	final Integer w1 =  fFirst ? v1 : v2;
1899	<	final Integer w2 = !fFirst ? v1 : v2;
1896	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
1897	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
1898	>	final Item w1 =  fFirst ? v1 : v2;
1899	>	final Item w2 = !fFirst ? v1 : v2;
1900
1901		final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1902		assertTrue(fst.complete(w1));
#	Line 1787 | Line 1926 | public class CompletableFutureTest exten
1926		for (ExecutionMode m : ExecutionMode.values())
1927		for (boolean fFirst : new boolean[] { true, false })
1928		for (boolean failFirst : new boolean[] { true, false })
1929	<	for (Integer v1 : new Integer[] { 1, null })
1929	>	for (Item v1 : new Item[] { one, null })
1930		{
1931	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1932	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1931	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1932	>	final CompletableFuture<Item> g = new CompletableFuture<>();
1933		final CFException ex = new CFException();
1934		final SubtractAction r1 = new SubtractAction(m);
1935		final SubtractAction r2 = new SubtractAction(m);
1936		final SubtractAction r3 = new SubtractAction(m);
1937
1938	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1939	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1938	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
1939	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
1940		final Callable<Boolean> complete1 = failFirst ?
1941		() -> fst.completeExceptionally(ex) :
1942		() -> fst.complete(v1);
#	Line 1831 | Line 1970 | public class CompletableFutureTest exten
1970		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1971		for (boolean fFirst : new boolean[] { true, false })
1972		for (boolean failFirst : new boolean[] { true, false })
1973	<	for (Integer v1 : new Integer[] { 1, null })
1973	>	for (Item v1 : new Item[] { one, null })
1974		{
1975	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1976	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1975	>	final CompletableFuture<Item> f = new CompletableFuture<>();
1976	>	final CompletableFuture<Item> g = new CompletableFuture<>();
1977		final SubtractAction r1 = new SubtractAction(m);
1978		final SubtractAction r2 = new SubtractAction(m);
1979		final SubtractAction r3 = new SubtractAction(m);
1980
1981	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1982	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1981	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
1982	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
1983		final Callable<Boolean> complete1 = failFirst ?
1984		() -> fst.cancel(mayInterruptIfRunning) :
1985		() -> fst.complete(v1);
#	Line 1872 | Line 2011 | public class CompletableFutureTest exten
2011		public void testThenAcceptBoth_actionFailed() {
2012		for (ExecutionMode m : ExecutionMode.values())
2013		for (boolean fFirst : new boolean[] { true, false })
2014	<	for (Integer v1 : new Integer[] { 1, null })
2015	<	for (Integer v2 : new Integer[] { 2, null })
2014	>	for (Item v1 : new Item[] { one, null })
2015	>	for (Item v2 : new Item[] { two, null })
2016		{
2017	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2018	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2017	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2018	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2019		final FailingBiConsumer r1 = new FailingBiConsumer(m);
2020		final FailingBiConsumer r2 = new FailingBiConsumer(m);
2021		final FailingBiConsumer r3 = new FailingBiConsumer(m);
2022
2023	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2024	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2025	<	final Integer w1 =  fFirst ? v1 : v2;
2026	<	final Integer w2 = !fFirst ? v1 : v2;
2023	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
2024	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
2025	>	final Item w1 =  fFirst ? v1 : v2;
2026	>	final Item w2 = !fFirst ? v1 : v2;
2027
2028		final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2029		assertTrue(fst.complete(w1));
#	Line 1892 | Line 2031 | public class CompletableFutureTest exten
2031		assertTrue(snd.complete(w2));
2032		final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2033
2034	<	checkCompletedWithWrappedCFException(h1);
2035	<	checkCompletedWithWrappedCFException(h2);
2036	<	checkCompletedWithWrappedCFException(h3);
2034	>	checkCompletedWithWrappedException(h1, r1.ex);
2035	>	checkCompletedWithWrappedException(h2, r2.ex);
2036	>	checkCompletedWithWrappedException(h3, r3.ex);
2037		r1.assertInvoked();
2038		r2.assertInvoked();
2039		r3.assertInvoked();
#	Line 1909 | Line 2048 | public class CompletableFutureTest exten
2048		public void testRunAfterBoth_normalCompletion() {
2049		for (ExecutionMode m : ExecutionMode.values())
2050		for (boolean fFirst : new boolean[] { true, false })
2051	<	for (Integer v1 : new Integer[] { 1, null })
2052	<	for (Integer v2 : new Integer[] { 2, null })
2051	>	for (Item v1 : new Item[] { one, null })
2052	>	for (Item v2 : new Item[] { two, null })
2053		{
2054	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2055	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2054	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2055	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2056		final Noop r1 = new Noop(m);
2057		final Noop r2 = new Noop(m);
2058		final Noop r3 = new Noop(m);
2059
2060	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2061	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2062	<	final Integer w1 =  fFirst ? v1 : v2;
2063	<	final Integer w2 = !fFirst ? v1 : v2;
2060	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
2061	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
2062	>	final Item w1 =  fFirst ? v1 : v2;
2063	>	final Item w2 = !fFirst ? v1 : v2;
2064
2065		final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2066		assertTrue(fst.complete(w1));
#	Line 1951 | Line 2090 | public class CompletableFutureTest exten
2090		for (ExecutionMode m : ExecutionMode.values())
2091		for (boolean fFirst : new boolean[] { true, false })
2092		for (boolean failFirst : new boolean[] { true, false })
2093	<	for (Integer v1 : new Integer[] { 1, null })
2093	>	for (Item v1 : new Item[] { one, null })
2094		{
2095	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2096	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2095	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2096	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2097		final CFException ex = new CFException();
2098		final Noop r1 = new Noop(m);
2099		final Noop r2 = new Noop(m);
2100		final Noop r3 = new Noop(m);
2101
2102	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2103	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2102	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
2103	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
2104		final Callable<Boolean> complete1 = failFirst ?
2105		() -> fst.completeExceptionally(ex) :
2106		() -> fst.complete(v1);
#	Line 1995 | Line 2134 | public class CompletableFutureTest exten
2134		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2135		for (boolean fFirst : new boolean[] { true, false })
2136		for (boolean failFirst : new boolean[] { true, false })
2137	<	for (Integer v1 : new Integer[] { 1, null })
2137	>	for (Item v1 : new Item[] { one, null })
2138		{
2139	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2140	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2140	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2141		final Noop r1 = new Noop(m);
2142		final Noop r2 = new Noop(m);
2143		final Noop r3 = new Noop(m);
2144
2145	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2146	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2145	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
2146	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
2147		final Callable<Boolean> complete1 = failFirst ?
2148		() -> fst.cancel(mayInterruptIfRunning) :
2149		() -> fst.complete(v1);
#	Line 2036 | Line 2175 | public class CompletableFutureTest exten
2175		public void testRunAfterBoth_actionFailed() {
2176		for (ExecutionMode m : ExecutionMode.values())
2177		for (boolean fFirst : new boolean[] { true, false })
2178	<	for (Integer v1 : new Integer[] { 1, null })
2179	<	for (Integer v2 : new Integer[] { 2, null })
2178	>	for (Item v1 : new Item[] { one, null })
2179	>	for (Item v2 : new Item[] { two, null })
2180		{
2181	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2182	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2181	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2182	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2183		final FailingRunnable r1 = new FailingRunnable(m);
2184		final FailingRunnable r2 = new FailingRunnable(m);
2185		final FailingRunnable r3 = new FailingRunnable(m);
2186
2187	<	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2188	<	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2189	<	final Integer w1 =  fFirst ? v1 : v2;
2190	<	final Integer w2 = !fFirst ? v1 : v2;
2187	>	final CompletableFuture<Item> fst =  fFirst ? f : g;
2188	>	final CompletableFuture<Item> snd = !fFirst ? f : g;
2189	>	final Item w1 =  fFirst ? v1 : v2;
2190	>	final Item w2 = !fFirst ? v1 : v2;
2191
2192		final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2193		assertTrue(fst.complete(w1));
#	Line 2056 | Line 2195 | public class CompletableFutureTest exten
2195		assertTrue(snd.complete(w2));
2196		final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2197
2198	<	checkCompletedWithWrappedCFException(h1);
2199	<	checkCompletedWithWrappedCFException(h2);
2200	<	checkCompletedWithWrappedCFException(h3);
2198	>	checkCompletedWithWrappedException(h1, r1.ex);
2199	>	checkCompletedWithWrappedException(h2, r2.ex);
2200	>	checkCompletedWithWrappedException(h3, r3.ex);
2201		r1.assertInvoked();
2202		r2.assertInvoked();
2203		r3.assertInvoked();
#	Line 2072 | Line 2211 | public class CompletableFutureTest exten
2211		*/
2212		public void testApplyToEither_normalCompletion() {
2213		for (ExecutionMode m : ExecutionMode.values())
2214	<	for (Integer v1 : new Integer[] { 1, null })
2215	<	for (Integer v2 : new Integer[] { 2, null })
2214	>	for (Item v1 : new Item[] { one, null })
2215	>	for (Item v2 : new Item[] { two, null })
2216		{
2217	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2218	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2217	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2218	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2219		final IncFunction[] rs = new IncFunction[6];
2220		for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2221
2222	<	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2223	<	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2222	>	final CompletableFuture<Item> h0 = m.applyToEither(f, g, rs[0]);
2223	>	final CompletableFuture<Item> h1 = m.applyToEither(g, f, rs[1]);
2224		checkIncomplete(h0);
2225		checkIncomplete(h1);
2226		rs[0].assertNotInvoked();
#	Line 2089 | Line 2228 | public class CompletableFutureTest exten
2228		f.complete(v1);
2229		checkCompletedNormally(h0, inc(v1));
2230		checkCompletedNormally(h1, inc(v1));
2231	<	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2232	<	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2231	>	final CompletableFuture<Item> h2 = m.applyToEither(f, g, rs[2]);
2232	>	final CompletableFuture<Item> h3 = m.applyToEither(g, f, rs[3]);
2233		checkCompletedNormally(h2, inc(v1));
2234		checkCompletedNormally(h3, inc(v1));
2235		g.complete(v2);
2236
2237		// unspecified behavior - both source completions available
2238	<	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2239	<	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2238	>	final CompletableFuture<Item> h4 = m.applyToEither(f, g, rs[4]);
2239	>	final CompletableFuture<Item> h5 = m.applyToEither(g, f, rs[5]);
2240		rs[4].assertValue(h4.join());
2241		rs[5].assertValue(h5.join());
2242		assertTrue(Objects.equals(inc(v1), h4.join()) ||
#	Line 2120 | Line 2259 | public class CompletableFutureTest exten
2259		*/
2260		public void testApplyToEither_exceptionalCompletion() {
2261		for (ExecutionMode m : ExecutionMode.values())
2262	<	for (Integer v1 : new Integer[] { 1, null })
2262	>	for (Item v1 : new Item[] { one, null })
2263		{
2264	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2265	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2264	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2265	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2266		final CFException ex = new CFException();
2267		final IncFunction[] rs = new IncFunction[6];
2268		for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2269
2270	<	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2271	<	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2270	>	final CompletableFuture<Item> h0 = m.applyToEither(f, g, rs[0]);
2271	>	final CompletableFuture<Item> h1 = m.applyToEither(g, f, rs[1]);
2272		checkIncomplete(h0);
2273		checkIncomplete(h1);
2274		rs[0].assertNotInvoked();
#	Line 2137 | Line 2276 | public class CompletableFutureTest exten
2276		f.completeExceptionally(ex);
2277		checkCompletedWithWrappedException(h0, ex);
2278		checkCompletedWithWrappedException(h1, ex);
2279	<	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2280	<	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2279	>	final CompletableFuture<Item> h2 = m.applyToEither(f, g, rs[2]);
2280	>	final CompletableFuture<Item> h3 = m.applyToEither(g, f, rs[3]);
2281		checkCompletedWithWrappedException(h2, ex);
2282		checkCompletedWithWrappedException(h3, ex);
2283		g.complete(v1);
2284
2285		// unspecified behavior - both source completions available
2286	<	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2287	<	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2286	>	final CompletableFuture<Item> h4 = m.applyToEither(f, g, rs[4]);
2287	>	final CompletableFuture<Item> h5 = m.applyToEither(g, f, rs[5]);
2288		try {
2289	<	assertEquals(inc(v1), h4.join());
2289	>	mustEqual(inc(v1), h4.join());
2290		rs[4].assertValue(inc(v1));
2291		} catch (CompletionException ok) {
2292		checkCompletedWithWrappedException(h4, ex);
2293		rs[4].assertNotInvoked();
2294		}
2295		try {
2296	<	assertEquals(inc(v1), h5.join());
2296	>	mustEqual(inc(v1), h5.join());
2297		rs[5].assertValue(inc(v1));
2298		} catch (CompletionException ok) {
2299		checkCompletedWithWrappedException(h5, ex);
#	Line 2174 | Line 2313 | public class CompletableFutureTest exten
2313		public void testApplyToEither_exceptionalCompletion2() {
2314		for (ExecutionMode m : ExecutionMode.values())
2315		for (boolean fFirst : new boolean[] { true, false })
2316	<	for (Integer v1 : new Integer[] { 1, null })
2316	>	for (Item v1 : new Item[] { one, null })
2317		{
2318	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2319	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2318	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2319	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2320		final CFException ex = new CFException();
2321		final IncFunction[] rs = new IncFunction[6];
2322		for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2323
2324	<	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2325	<	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2324	>	final CompletableFuture<Item> h0 = m.applyToEither(f, g, rs[0]);
2325	>	final CompletableFuture<Item> h1 = m.applyToEither(g, f, rs[1]);
2326		assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2327		assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2328	<	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2329	<	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2328	>	final CompletableFuture<Item> h2 = m.applyToEither(f, g, rs[2]);
2329	>	final CompletableFuture<Item> h3 = m.applyToEither(g, f, rs[3]);
2330
2331		// unspecified behavior - both source completions available
2332		try {
2333	<	assertEquals(inc(v1), h0.join());
2333	>	mustEqual(inc(v1), h0.join());
2334		rs[0].assertValue(inc(v1));
2335		} catch (CompletionException ok) {
2336		checkCompletedWithWrappedException(h0, ex);
2337		rs[0].assertNotInvoked();
2338		}
2339		try {
2340	<	assertEquals(inc(v1), h1.join());
2340	>	mustEqual(inc(v1), h1.join());
2341		rs[1].assertValue(inc(v1));
2342		} catch (CompletionException ok) {
2343		checkCompletedWithWrappedException(h1, ex);
2344		rs[1].assertNotInvoked();
2345		}
2346		try {
2347	<	assertEquals(inc(v1), h2.join());
2347	>	mustEqual(inc(v1), h2.join());
2348		rs[2].assertValue(inc(v1));
2349		} catch (CompletionException ok) {
2350		checkCompletedWithWrappedException(h2, ex);
2351		rs[2].assertNotInvoked();
2352		}
2353		try {
2354	<	assertEquals(inc(v1), h3.join());
2354	>	mustEqual(inc(v1), h3.join());
2355		rs[3].assertValue(inc(v1));
2356		} catch (CompletionException ok) {
2357		checkCompletedWithWrappedException(h3, ex);
#	Line 2229 | Line 2368 | public class CompletableFutureTest exten
2368		public void testApplyToEither_sourceCancelled() {
2369		for (ExecutionMode m : ExecutionMode.values())
2370		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2371	<	for (Integer v1 : new Integer[] { 1, null })
2371	>	for (Item v1 : new Item[] { one, null })
2372		{
2373	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2374	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2373	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2374	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2375		final IncFunction[] rs = new IncFunction[6];
2376		for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2377
2378	<	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2379	<	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2378	>	final CompletableFuture<Item> h0 = m.applyToEither(f, g, rs[0]);
2379	>	final CompletableFuture<Item> h1 = m.applyToEither(g, f, rs[1]);
2380		checkIncomplete(h0);
2381		checkIncomplete(h1);
2382		rs[0].assertNotInvoked();
#	Line 2245 | Line 2384 | public class CompletableFutureTest exten
2384		f.cancel(mayInterruptIfRunning);
2385		checkCompletedWithWrappedCancellationException(h0);
2386		checkCompletedWithWrappedCancellationException(h1);
2387	<	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2388	<	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2387	>	final CompletableFuture<Item> h2 = m.applyToEither(f, g, rs[2]);
2388	>	final CompletableFuture<Item> h3 = m.applyToEither(g, f, rs[3]);
2389		checkCompletedWithWrappedCancellationException(h2);
2390		checkCompletedWithWrappedCancellationException(h3);
2391		g.complete(v1);
2392
2393		// unspecified behavior - both source completions available
2394	<	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2395	<	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2394	>	final CompletableFuture<Item> h4 = m.applyToEither(f, g, rs[4]);
2395	>	final CompletableFuture<Item> h5 = m.applyToEither(g, f, rs[5]);
2396		try {
2397	<	assertEquals(inc(v1), h4.join());
2397	>	mustEqual(inc(v1), h4.join());
2398		rs[4].assertValue(inc(v1));
2399		} catch (CompletionException ok) {
2400		checkCompletedWithWrappedCancellationException(h4);
2401		rs[4].assertNotInvoked();
2402		}
2403		try {
2404	<	assertEquals(inc(v1), h5.join());
2404	>	mustEqual(inc(v1), h5.join());
2405		rs[5].assertValue(inc(v1));
2406		} catch (CompletionException ok) {
2407		checkCompletedWithWrappedCancellationException(h5);
#	Line 2282 | Line 2421 | public class CompletableFutureTest exten
2421		for (ExecutionMode m : ExecutionMode.values())
2422		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2423		for (boolean fFirst : new boolean[] { true, false })
2424	<	for (Integer v1 : new Integer[] { 1, null })
2424	>	for (Item v1 : new Item[] { one, null })
2425		{
2426	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2427	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2426	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2427	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2428		final IncFunction[] rs = new IncFunction[6];
2429		for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2430
2431	<	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2432	<	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2431	>	final CompletableFuture<Item> h0 = m.applyToEither(f, g, rs[0]);
2432	>	final CompletableFuture<Item> h1 = m.applyToEither(g, f, rs[1]);
2433		assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2434		assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2435	<	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2436	<	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2435	>	final CompletableFuture<Item> h2 = m.applyToEither(f, g, rs[2]);
2436	>	final CompletableFuture<Item> h3 = m.applyToEither(g, f, rs[3]);
2437
2438		// unspecified behavior - both source completions available
2439		try {
2440	<	assertEquals(inc(v1), h0.join());
2440	>	mustEqual(inc(v1), h0.join());
2441		rs[0].assertValue(inc(v1));
2442		} catch (CompletionException ok) {
2443		checkCompletedWithWrappedCancellationException(h0);
2444		rs[0].assertNotInvoked();
2445		}
2446		try {
2447	<	assertEquals(inc(v1), h1.join());
2447	>	mustEqual(inc(v1), h1.join());
2448		rs[1].assertValue(inc(v1));
2449		} catch (CompletionException ok) {
2450		checkCompletedWithWrappedCancellationException(h1);
2451		rs[1].assertNotInvoked();
2452		}
2453		try {
2454	<	assertEquals(inc(v1), h2.join());
2454	>	mustEqual(inc(v1), h2.join());
2455		rs[2].assertValue(inc(v1));
2456		} catch (CompletionException ok) {
2457		checkCompletedWithWrappedCancellationException(h2);
2458		rs[2].assertNotInvoked();
2459		}
2460		try {
2461	<	assertEquals(inc(v1), h3.join());
2461	>	mustEqual(inc(v1), h3.join());
2462		rs[3].assertValue(inc(v1));
2463		} catch (CompletionException ok) {
2464		checkCompletedWithWrappedCancellationException(h3);
#	Line 2335 | Line 2474 | public class CompletableFutureTest exten
2474		*/
2475		public void testApplyToEither_actionFailed() {
2476		for (ExecutionMode m : ExecutionMode.values())
2477	<	for (Integer v1 : new Integer[] { 1, null })
2478	<	for (Integer v2 : new Integer[] { 2, null })
2477	>	for (Item v1 : new Item[] { one, null })
2478	>	for (Item v2 : new Item[] { two, null })
2479		{
2480	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2481	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2480	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2481	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2482		final FailingFunction[] rs = new FailingFunction[6];
2483		for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2484
2485	<	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2486	<	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2485	>	final CompletableFuture<Item> h0 = m.applyToEither(f, g, rs[0]);
2486	>	final CompletableFuture<Item> h1 = m.applyToEither(g, f, rs[1]);
2487		f.complete(v1);
2488	<	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2489	<	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2490	<	checkCompletedWithWrappedCFException(h0);
2491	<	checkCompletedWithWrappedCFException(h1);
2492	<	checkCompletedWithWrappedCFException(h2);
2493	<	checkCompletedWithWrappedCFException(h3);
2488	>	final CompletableFuture<Item> h2 = m.applyToEither(f, g, rs[2]);
2489	>	final CompletableFuture<Item> h3 = m.applyToEither(g, f, rs[3]);
2490	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2491	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2492	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2493	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2494		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2495
2496		g.complete(v2);
2497
2498		// unspecified behavior - both source completions available
2499	<	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2500	<	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2499	>	final CompletableFuture<Item> h4 = m.applyToEither(f, g, rs[4]);
2500	>	final CompletableFuture<Item> h5 = m.applyToEither(g, f, rs[5]);
2501
2502	<	checkCompletedWithWrappedCFException(h4);
2502	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2503		assertTrue(Objects.equals(v1, rs[4].value) ||
2504		Objects.equals(v2, rs[4].value));
2505	<	checkCompletedWithWrappedCFException(h5);
2505	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2506		assertTrue(Objects.equals(v1, rs[5].value) ||
2507		Objects.equals(v2, rs[5].value));
2508
#	Line 2377 | Line 2516 | public class CompletableFutureTest exten
2516		*/
2517		public void testAcceptEither_normalCompletion() {
2518		for (ExecutionMode m : ExecutionMode.values())
2519	<	for (Integer v1 : new Integer[] { 1, null })
2520	<	for (Integer v2 : new Integer[] { 2, null })
2519	>	for (Item v1 : new Item[] { one, null })
2520	>	for (Item v2 : new Item[] { two, null })
2521		{
2522	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2523	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2522	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2523	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2524		final NoopConsumer[] rs = new NoopConsumer[6];
2525		for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2526
#	Line 2429 | Line 2568 | public class CompletableFutureTest exten
2568		*/
2569		public void testAcceptEither_exceptionalCompletion() {
2570		for (ExecutionMode m : ExecutionMode.values())
2571	<	for (Integer v1 : new Integer[] { 1, null })
2571	>	for (Item v1 : new Item[] { one, null })
2572		{
2573	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2574	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2573	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2574	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2575		final CFException ex = new CFException();
2576		final NoopConsumer[] rs = new NoopConsumer[6];
2577		for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
#	Line 2484 | Line 2623 | public class CompletableFutureTest exten
2623		public void testAcceptEither_exceptionalCompletion2() {
2624		for (ExecutionMode m : ExecutionMode.values())
2625		for (boolean fFirst : new boolean[] { true, false })
2626	<	for (Integer v1 : new Integer[] { 1, null })
2626	>	for (Item v1 : new Item[] { one, null })
2627		{
2628	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2629	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2628	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2629	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2630		final CFException ex = new CFException();
2631		final NoopConsumer[] rs = new NoopConsumer[6];
2632		for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
#	Line 2501 | Line 2640 | public class CompletableFutureTest exten
2640
2641		// unspecified behavior - both source completions available
2642		try {
2643	<	assertEquals(null, h0.join());
2643	>	assertNull(h0.join());
2644		rs[0].assertValue(v1);
2645		} catch (CompletionException ok) {
2646		checkCompletedWithWrappedException(h0, ex);
2647		rs[0].assertNotInvoked();
2648		}
2649		try {
2650	<	assertEquals(null, h1.join());
2650	>	assertNull(h1.join());
2651		rs[1].assertValue(v1);
2652		} catch (CompletionException ok) {
2653		checkCompletedWithWrappedException(h1, ex);
2654		rs[1].assertNotInvoked();
2655		}
2656		try {
2657	<	assertEquals(null, h2.join());
2657	>	assertNull(h2.join());
2658		rs[2].assertValue(v1);
2659		} catch (CompletionException ok) {
2660		checkCompletedWithWrappedException(h2, ex);
2661		rs[2].assertNotInvoked();
2662		}
2663		try {
2664	<	assertEquals(null, h3.join());
2664	>	assertNull(h3.join());
2665		rs[3].assertValue(v1);
2666		} catch (CompletionException ok) {
2667		checkCompletedWithWrappedException(h3, ex);
#	Line 2539 | Line 2678 | public class CompletableFutureTest exten
2678		public void testAcceptEither_sourceCancelled() {
2679		for (ExecutionMode m : ExecutionMode.values())
2680		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2681	<	for (Integer v1 : new Integer[] { 1, null })
2681	>	for (Item v1 : new Item[] { one, null })
2682		{
2683	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2684	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2683	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2684	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2685		final NoopConsumer[] rs = new NoopConsumer[6];
2686		for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2687
#	Line 2594 | Line 2733 | public class CompletableFutureTest exten
2733		*/
2734		public void testAcceptEither_actionFailed() {
2735		for (ExecutionMode m : ExecutionMode.values())
2736	<	for (Integer v1 : new Integer[] { 1, null })
2737	<	for (Integer v2 : new Integer[] { 2, null })
2736	>	for (Item v1 : new Item[] { one, null })
2737	>	for (Item v2 : new Item[] { two, null })
2738		{
2739	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2740	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2739	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2740	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2741		final FailingConsumer[] rs = new FailingConsumer[6];
2742		for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2743
#	Line 2607 | Line 2746 | public class CompletableFutureTest exten
2746		f.complete(v1);
2747		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2748		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2749	<	checkCompletedWithWrappedCFException(h0);
2750	<	checkCompletedWithWrappedCFException(h1);
2751	<	checkCompletedWithWrappedCFException(h2);
2752	<	checkCompletedWithWrappedCFException(h3);
2749	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2750	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2751	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2752	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2753		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2754
2755		g.complete(v2);
#	Line 2619 | Line 2758 | public class CompletableFutureTest exten
2758		final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2759		final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2760
2761	<	checkCompletedWithWrappedCFException(h4);
2761	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2762		assertTrue(Objects.equals(v1, rs[4].value) ||
2763		Objects.equals(v2, rs[4].value));
2764	<	checkCompletedWithWrappedCFException(h5);
2764	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2765		assertTrue(Objects.equals(v1, rs[5].value) ||
2766		Objects.equals(v2, rs[5].value));
2767
#	Line 2636 | Line 2775 | public class CompletableFutureTest exten
2775		*/
2776		public void testRunAfterEither_normalCompletion() {
2777		for (ExecutionMode m : ExecutionMode.values())
2778	<	for (Integer v1 : new Integer[] { 1, null })
2779	<	for (Integer v2 : new Integer[] { 2, null })
2778	>	for (Item v1 : new Item[] { one, null })
2779	>	for (Item v2 : new Item[] { two, null })
2780	>	for (boolean pushNop : new boolean[] { true, false })
2781		{
2782	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2783	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2782	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2783	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2784		final Noop[] rs = new Noop[6];
2785		for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2786
#	Line 2650 | Line 2790 | public class CompletableFutureTest exten
2790		checkIncomplete(h1);
2791		rs[0].assertNotInvoked();
2792		rs[1].assertNotInvoked();
2793	+	if (pushNop) {          // ad hoc test of intra-completion interference
2794	+	m.thenRun(f, () -> {});
2795	+	m.thenRun(g, () -> {});
2796	+	}
2797		f.complete(v1);
2798		checkCompletedNormally(h0, null);
2799		checkCompletedNormally(h1, null);
#	Line 2684 | Line 2828 | public class CompletableFutureTest exten
2828		*/
2829		public void testRunAfterEither_exceptionalCompletion() {
2830		for (ExecutionMode m : ExecutionMode.values())
2831	<	for (Integer v1 : new Integer[] { 1, null })
2831	>	for (Item v1 : new Item[] { one, null })
2832		{
2833	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2834	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2833	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2834	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2835		final CFException ex = new CFException();
2836		final Noop[] rs = new Noop[6];
2837		for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
#	Line 2739 | Line 2883 | public class CompletableFutureTest exten
2883		public void testRunAfterEither_exceptionalCompletion2() {
2884		for (ExecutionMode m : ExecutionMode.values())
2885		for (boolean fFirst : new boolean[] { true, false })
2886	<	for (Integer v1 : new Integer[] { 1, null })
2886	>	for (Item v1 : new Item[] { one, null })
2887		{
2888	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2889	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2888	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2889	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2890		final CFException ex = new CFException();
2891		final Noop[] rs = new Noop[6];
2892		for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
#	Line 2756 | Line 2900 | public class CompletableFutureTest exten
2900
2901		// unspecified behavior - both source completions available
2902		try {
2903	<	assertEquals(null, h0.join());
2903	>	assertNull(h0.join());
2904		rs[0].assertInvoked();
2905		} catch (CompletionException ok) {
2906		checkCompletedWithWrappedException(h0, ex);
2907		rs[0].assertNotInvoked();
2908		}
2909		try {
2910	<	assertEquals(null, h1.join());
2910	>	assertNull(h1.join());
2911		rs[1].assertInvoked();
2912		} catch (CompletionException ok) {
2913		checkCompletedWithWrappedException(h1, ex);
2914		rs[1].assertNotInvoked();
2915		}
2916		try {
2917	<	assertEquals(null, h2.join());
2917	>	assertNull(h2.join());
2918		rs[2].assertInvoked();
2919		} catch (CompletionException ok) {
2920		checkCompletedWithWrappedException(h2, ex);
2921		rs[2].assertNotInvoked();
2922		}
2923		try {
2924	<	assertEquals(null, h3.join());
2924	>	assertNull(h3.join());
2925		rs[3].assertInvoked();
2926		} catch (CompletionException ok) {
2927		checkCompletedWithWrappedException(h3, ex);
#	Line 2794 | Line 2938 | public class CompletableFutureTest exten
2938		public void testRunAfterEither_sourceCancelled() {
2939		for (ExecutionMode m : ExecutionMode.values())
2940		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2941	<	for (Integer v1 : new Integer[] { 1, null })
2941	>	for (Item v1 : new Item[] { one, null })
2942		{
2943	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2944	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2943	>	final CompletableFuture<Item> f = new CompletableFuture<>();
2944	>	final CompletableFuture<Item> g = new CompletableFuture<>();
2945		final Noop[] rs = new Noop[6];
2946		for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2947
#	Line 2849 | Line 2993 | public class CompletableFutureTest exten
2993		*/
2994		public void testRunAfterEither_actionFailed() {
2995		for (ExecutionMode m : ExecutionMode.values())
2996	<	for (Integer v1 : new Integer[] { 1, null })
2997	<	for (Integer v2 : new Integer[] { 2, null })
2996	>	for (Item v1 : new Item[] { one, null })
2997	>	for (Item v2 : new Item[] { two, null })
2998		{
2999	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3000	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2999	>	final CompletableFuture<Item> f = new CompletableFuture<>();
3000	>	final CompletableFuture<Item> g = new CompletableFuture<>();
3001		final FailingRunnable[] rs = new FailingRunnable[6];
3002		for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3003
#	Line 2862 | Line 3006 | public class CompletableFutureTest exten
3006		assertTrue(f.complete(v1));
3007		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3008		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3009	<	checkCompletedWithWrappedCFException(h0);
3010	<	checkCompletedWithWrappedCFException(h1);
3011	<	checkCompletedWithWrappedCFException(h2);
3012	<	checkCompletedWithWrappedCFException(h3);
3009	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3010	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3011	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3012	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3013		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3014		assertTrue(g.complete(v2));
3015		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3016		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3017	<	checkCompletedWithWrappedCFException(h4);
3018	<	checkCompletedWithWrappedCFException(h5);
3017	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3018	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3019
3020		checkCompletedNormally(f, v1);
3021		checkCompletedNormally(g, v2);
#	Line 2884 | Line 3028 | public class CompletableFutureTest exten
3028		public void testThenCompose_normalCompletion() {
3029		for (ExecutionMode m : ExecutionMode.values())
3030		for (boolean createIncomplete : new boolean[] { true, false })
3031	<	for (Integer v1 : new Integer[] { 1, null })
3031	>	for (Item v1 : new Item[] { one, null })
3032		{
3033	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3033	>	final CompletableFuture<Item> f = new CompletableFuture<>();
3034		final CompletableFutureInc r = new CompletableFutureInc(m);
3035		if (!createIncomplete) assertTrue(f.complete(v1));
3036	<	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3036	>	final CompletableFuture<Item> g = m.thenCompose(f, r);
3037		if (createIncomplete) assertTrue(f.complete(v1));
3038
3039		checkCompletedNormally(g, inc(v1));
#	Line 2907 | Line 3051 | public class CompletableFutureTest exten
3051		{
3052		final CFException ex = new CFException();
3053		final CompletableFutureInc r = new CompletableFutureInc(m);
3054	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3054	>	final CompletableFuture<Item> f = new CompletableFuture<>();
3055		if (!createIncomplete) f.completeExceptionally(ex);
3056	<	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3056	>	final CompletableFuture<Item> g = m.thenCompose(f, r);
3057		if (createIncomplete) f.completeExceptionally(ex);
3058
3059		checkCompletedWithWrappedException(g, ex);
#	Line 2923 | Line 3067 | public class CompletableFutureTest exten
3067		public void testThenCompose_actionFailed() {
3068		for (ExecutionMode m : ExecutionMode.values())
3069		for (boolean createIncomplete : new boolean[] { true, false })
3070	<	for (Integer v1 : new Integer[] { 1, null })
3070	>	for (Item v1 : new Item[] { one, null })
3071		{
3072	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3072	>	final CompletableFuture<Item> f = new CompletableFuture<>();
3073		final FailingCompletableFutureFunction r
3074		= new FailingCompletableFutureFunction(m);
3075		if (!createIncomplete) assertTrue(f.complete(v1));
3076	<	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3076	>	final CompletableFuture<Item> g = m.thenCompose(f, r);
3077		if (createIncomplete) assertTrue(f.complete(v1));
3078
3079	<	checkCompletedWithWrappedCFException(g);
3079	>	checkCompletedWithWrappedException(g, r.ex);
3080		checkCompletedNormally(f, v1);
3081		}}
3082
#	Line 2944 | Line 3088 | public class CompletableFutureTest exten
3088		for (boolean createIncomplete : new boolean[] { true, false })
3089		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3090		{
3091	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3091	>	final CompletableFuture<Item> f = new CompletableFuture<>();
3092		final CompletableFutureInc r = new CompletableFutureInc(m);
3093		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3094	<	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3094	>	final CompletableFuture<Item> g = m.thenCompose(f, r);
3095		if (createIncomplete) {
3096		checkIncomplete(g);
3097		assertTrue(f.cancel(mayInterruptIfRunning));
#	Line 2957 | Line 3101 | public class CompletableFutureTest exten
3101		checkCancelled(f);
3102		}}
3103
3104	+	/**
3105	+	* thenCompose result completes exceptionally if the result of the action does
3106	+	*/
3107	+	public void testThenCompose_actionReturnsFailingFuture() {
3108	+	for (ExecutionMode m : ExecutionMode.values())
3109	+	for (int order = 0; order < 6; order++)
3110	+	for (Item v1 : new Item[] { one, null })
3111	+	{
3112	+	final CFException ex = new CFException();
3113	+	final CompletableFuture<Item> f = new CompletableFuture<>();
3114	+	final CompletableFuture<Item> g = new CompletableFuture<>();
3115	+	final CompletableFuture<Item> h;
3116	+	// Test all permutations of orders
3117	+	switch (order) {
3118	+	case 0:
3119	+	assertTrue(f.complete(v1));
3120	+	assertTrue(g.completeExceptionally(ex));
3121	+	h = m.thenCompose(f, x -> g);
3122	+	break;
3123	+	case 1:
3124	+	assertTrue(f.complete(v1));
3125	+	h = m.thenCompose(f, x -> g);
3126	+	assertTrue(g.completeExceptionally(ex));
3127	+	break;
3128	+	case 2:
3129	+	assertTrue(g.completeExceptionally(ex));
3130	+	assertTrue(f.complete(v1));
3131	+	h = m.thenCompose(f, x -> g);
3132	+	break;
3133	+	case 3:
3134	+	assertTrue(g.completeExceptionally(ex));
3135	+	h = m.thenCompose(f, x -> g);
3136	+	assertTrue(f.complete(v1));
3137	+	break;
3138	+	case 4:
3139	+	h = m.thenCompose(f, x -> g);
3140	+	assertTrue(f.complete(v1));
3141	+	assertTrue(g.completeExceptionally(ex));
3142	+	break;
3143	+	case 5:
3144	+	h = m.thenCompose(f, x -> g);
3145	+	assertTrue(f.complete(v1));
3146	+	assertTrue(g.completeExceptionally(ex));
3147	+	break;
3148	+	default: throw new AssertionError();
3149	+	}
3150	+
3151	+	checkCompletedExceptionally(g, ex);
3152	+	checkCompletedWithWrappedException(h, ex);
3153	+	checkCompletedNormally(f, v1);
3154	+	}}
3155	+
3156	+	/**
3157	+	* exceptionallyCompose result completes normally after normal
3158	+	* completion of source
3159	+	*/
3160	+	public void testExceptionallyCompose_normalCompletion() {
3161	+	for (ExecutionMode m : ExecutionMode.values())
3162	+	for (boolean createIncomplete : new boolean[] { true, false })
3163	+	for (Item v1 : new Item[] { one, null })
3164	+	{
3165	+	final CompletableFuture<Item> f = new CompletableFuture<>();
3166	+	final ExceptionalCompletableFutureFunction r =
3167	+	new ExceptionalCompletableFutureFunction(m);
3168	+	if (!createIncomplete) assertTrue(f.complete(v1));
3169	+	final CompletableFuture<Item> g = m.exceptionallyCompose(f, r);
3170	+	if (createIncomplete) assertTrue(f.complete(v1));
3171	+
3172	+	checkCompletedNormally(f, v1);
3173	+	checkCompletedNormally(g, v1);
3174	+	r.assertNotInvoked();
3175	+	}}
3176	+
3177	+	/**
3178	+	* exceptionallyCompose result completes normally after exceptional
3179	+	* completion of source
3180	+	*/
3181	+	public void testExceptionallyCompose_exceptionalCompletion() {
3182	+	for (ExecutionMode m : ExecutionMode.values())
3183	+	for (boolean createIncomplete : new boolean[] { true, false })
3184	+	{
3185	+	final CFException ex = new CFException();
3186	+	final ExceptionalCompletableFutureFunction r =
3187	+	new ExceptionalCompletableFutureFunction(m);
3188	+	final CompletableFuture<Item> f = new CompletableFuture<>();
3189	+	if (!createIncomplete) f.completeExceptionally(ex);
3190	+	final CompletableFuture<Item> g = m.exceptionallyCompose(f, r);
3191	+	if (createIncomplete) f.completeExceptionally(ex);
3192	+
3193	+	checkCompletedExceptionally(f, ex);
3194	+	checkCompletedNormally(g, r.value);
3195	+	r.assertInvoked();
3196	+	}}
3197	+
3198	+	/**
3199	+	* exceptionallyCompose completes exceptionally on exception if action does
3200	+	*/
3201	+	public void testExceptionallyCompose_actionFailed() {
3202	+	for (ExecutionMode m : ExecutionMode.values())
3203	+	for (boolean createIncomplete : new boolean[] { true, false })
3204	+	{
3205	+	final CFException ex = new CFException();
3206	+	final CompletableFuture<Item> f = new CompletableFuture<>();
3207	+	final FailingExceptionalCompletableFutureFunction r
3208	+	= new FailingExceptionalCompletableFutureFunction(m);
3209	+	if (!createIncomplete) f.completeExceptionally(ex);
3210	+	final CompletableFuture<Item> g = m.exceptionallyCompose(f, r);
3211	+	if (createIncomplete) f.completeExceptionally(ex);
3212	+
3213	+	checkCompletedExceptionally(f, ex);
3214	+	checkCompletedWithWrappedException(g, r.ex);
3215	+	r.assertInvoked();
3216	+	}}
3217	+
3218	+	/**
3219	+	* exceptionallyCompose result completes exceptionally if the
3220	+	* result of the action does
3221	+	*/
3222	+	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3223	+	for (ExecutionMode m : ExecutionMode.values())
3224	+	for (int order = 0; order < 6; order++)
3225	+	{
3226	+	final CFException ex0 = new CFException();
3227	+	final CFException ex = new CFException();
3228	+	final CompletableFuture<Item> f = new CompletableFuture<>();
3229	+	final CompletableFuture<Item> g = new CompletableFuture<>();
3230	+	final CompletableFuture<Item> h;
3231	+	// Test all permutations of orders
3232	+	switch (order) {
3233	+	case 0:
3234	+	assertTrue(f.completeExceptionally(ex0));
3235	+	assertTrue(g.completeExceptionally(ex));
3236	+	h = m.exceptionallyCompose(f, x -> g);
3237	+	break;
3238	+	case 1:
3239	+	assertTrue(f.completeExceptionally(ex0));
3240	+	h = m.exceptionallyCompose(f, x -> g);
3241	+	assertTrue(g.completeExceptionally(ex));
3242	+	break;
3243	+	case 2:
3244	+	assertTrue(g.completeExceptionally(ex));
3245	+	assertTrue(f.completeExceptionally(ex0));
3246	+	h = m.exceptionallyCompose(f, x -> g);
3247	+	break;
3248	+	case 3:
3249	+	assertTrue(g.completeExceptionally(ex));
3250	+	h = m.exceptionallyCompose(f, x -> g);
3251	+	assertTrue(f.completeExceptionally(ex0));
3252	+	break;
3253	+	case 4:
3254	+	h = m.exceptionallyCompose(f, x -> g);
3255	+	assertTrue(f.completeExceptionally(ex0));
3256	+	assertTrue(g.completeExceptionally(ex));
3257	+	break;
3258	+	case 5:
3259	+	h = m.exceptionallyCompose(f, x -> g);
3260	+	assertTrue(f.completeExceptionally(ex0));
3261	+	assertTrue(g.completeExceptionally(ex));
3262	+	break;
3263	+	default: throw new AssertionError();
3264	+	}
3265	+
3266	+	checkCompletedExceptionally(g, ex);
3267	+	checkCompletedWithWrappedException(h, ex);
3268	+	checkCompletedExceptionally(f, ex0);
3269	+	}}
3270	+
3271		// other static methods
3272
3273		/**
#	Line 2974 | Line 3285 | public class CompletableFutureTest exten
3285		*/
3286		public void testAllOf_normal() throws Exception {
3287		for (int k = 1; k < 10; k++) {
3288	<	CompletableFuture<Integer>[] fs
3289	<	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3288	>	@SuppressWarnings("unchecked")
3289	>	CompletableFuture<Item>[] fs
3290	>	= (CompletableFuture<Item>[]) new CompletableFuture[k];
3291		for (int i = 0; i < k; i++)
3292		fs[i] = new CompletableFuture<>();
3293		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
#	Line 2989 | Line 3301 | public class CompletableFutureTest exten
3301		}
3302		}
3303
3304	<	public void testAllOf_backwards() throws Exception {
3304	>	public void testAllOf_normal_backwards() throws Exception {
3305		for (int k = 1; k < 10; k++) {
3306	<	CompletableFuture<Integer>[] fs
3307	<	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3306	>	@SuppressWarnings("unchecked")
3307	>	CompletableFuture<Item>[] fs
3308	>	= (CompletableFuture<Item>[]) new CompletableFuture[k];
3309		for (int i = 0; i < k; i++)
3310		fs[i] = new CompletableFuture<>();
3311		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
#	Line 3008 | Line 3321 | public class CompletableFutureTest exten
3321
3322		public void testAllOf_exceptional() throws Exception {
3323		for (int k = 1; k < 10; k++) {
3324	<	CompletableFuture<Integer>[] fs
3325	<	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3324	>	@SuppressWarnings("unchecked")
3325	>	CompletableFuture<Item>[] fs
3326	>	= (CompletableFuture<Item>[]) new CompletableFuture[k];
3327		CFException ex = new CFException();
3328		for (int i = 0; i < k; i++)
3329		fs[i] = new CompletableFuture<>();
3330		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3331		for (int i = 0; i < k; i++) {
3332	+	Item I = itemFor(i);
3333		checkIncomplete(f);
3334		checkIncomplete(CompletableFuture.allOf(fs));
3335	<	if (i != k/2) {
3336	<	fs[i].complete(i);
3337	<	checkCompletedNormally(fs[i], i);
3335	>	if (i != k / 2) {
3336	>	fs[i].complete(I);
3337	>	checkCompletedNormally(fs[i], I);
3338		} else {
3339		fs[i].completeExceptionally(ex);
3340		checkCompletedExceptionally(fs[i], ex);
#	Line 3034 | Line 3349 | public class CompletableFutureTest exten
3349		* anyOf(no component futures) returns an incomplete future
3350		*/
3351		public void testAnyOf_empty() throws Exception {
3352	<	for (Integer v1 : new Integer[] { 1, null })
3352	>	for (Item v1 : new Item[] { one, null })
3353		{
3354		CompletableFuture<Object> f = CompletableFuture.anyOf();
3355		checkIncomplete(f);
#	Line 3049 | Line 3364 | public class CompletableFutureTest exten
3364		*/
3365		public void testAnyOf_normal() throws Exception {
3366		for (int k = 0; k < 10; k++) {
3367	<	CompletableFuture[] fs = new CompletableFuture[k];
3367	>	@SuppressWarnings("unchecked")
3368	>	CompletableFuture<Item>[] fs =
3369	>	(CompletableFuture<Item>[])new CompletableFuture[k];
3370		for (int i = 0; i < k; i++)
3371		fs[i] = new CompletableFuture<>();
3372		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3373		checkIncomplete(f);
3374		for (int i = 0; i < k; i++) {
3375	<	fs[i].complete(i);
3376	<	checkCompletedNormally(f, 0);
3377	<	int x = (int) CompletableFuture.anyOf(fs).join();
3378	<	assertTrue(0 <= x && x <= i);
3375	>	fs[i].complete(itemFor(i));
3376	>	checkCompletedNormally(f, zero);
3377	>	Item x = (Item)CompletableFuture.anyOf(fs).join();
3378	>	assertTrue(0 <= x.value && x.value <= i);
3379		}
3380		}
3381		}
3382		public void testAnyOf_normal_backwards() throws Exception {
3383		for (int k = 0; k < 10; k++) {
3384	<	CompletableFuture[] fs = new CompletableFuture[k];
3384	>	@SuppressWarnings("unchecked")
3385	>	CompletableFuture<Item>[] fs =
3386	>	(CompletableFuture<Item>[])new CompletableFuture[k];
3387		for (int i = 0; i < k; i++)
3388		fs[i] = new CompletableFuture<>();
3389		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3390		checkIncomplete(f);
3391		for (int i = k - 1; i >= 0; i--) {
3392	<	fs[i].complete(i);
3393	<	checkCompletedNormally(f, k - 1);
3394	<	int x = (int) CompletableFuture.anyOf(fs).join();
3395	<	assertTrue(i <= x && x <= k - 1);
3392	>	fs[i].complete(itemFor(i));
3393	>	checkCompletedNormally(f, itemFor(k - 1));
3394	>	Item x = (Item)CompletableFuture.anyOf(fs).join();
3395	>	assertTrue(i <= x.value && x.value <= k - 1);
3396		}
3397		}
3398		}
#	Line 3083 | Line 3402 | public class CompletableFutureTest exten
3402		*/
3403		public void testAnyOf_exceptional() throws Exception {
3404		for (int k = 0; k < 10; k++) {
3405	<	CompletableFuture[] fs = new CompletableFuture[k];
3405	>	@SuppressWarnings("unchecked")
3406	>	CompletableFuture<Item>[] fs =
3407	>	(CompletableFuture<Item>[])new CompletableFuture[k];
3408		CFException[] exs = new CFException[k];
3409		for (int i = 0; i < k; i++) {
3410		fs[i] = new CompletableFuture<>();
#	Line 3101 | Line 3422 | public class CompletableFutureTest exten
3422
3423		public void testAnyOf_exceptional_backwards() throws Exception {
3424		for (int k = 0; k < 10; k++) {
3425	<	CompletableFuture[] fs = new CompletableFuture[k];
3425	>	@SuppressWarnings("unchecked")
3426	>	CompletableFuture<Object>[] fs =
3427	>	(CompletableFuture<Object>[])new CompletableFuture[k];
3428		CFException[] exs = new CFException[k];
3429		for (int i = 0; i < k; i++) {
3430		fs[i] = new CompletableFuture<>();
#	Line 3120 | Line 3443 | public class CompletableFutureTest exten
3443		/**
3444		* Completion methods throw NullPointerException with null arguments
3445		*/
3446	+	@SuppressWarnings("FutureReturnValueIgnored")
3447		public void testNPE() {
3448	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3449	<	CompletableFuture<Integer> g = new CompletableFuture<>();
3450	<	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3127	<	CompletableFuture<?> h;
3448	>	CompletableFuture<Item> f = new CompletableFuture<>();
3449	>	CompletableFuture<Item> g = new CompletableFuture<>();
3450	>	CompletableFuture<Item> nullFuture = (CompletableFuture<Item>)null;
3451		ThreadExecutor exec = new ThreadExecutor();
3452
3453	<	Runnable[] throwingActions = {
3453	>	assertThrows(
3454	>	NullPointerException.class,
3455	>
3456		() -> CompletableFuture.supplyAsync(null),
3457		() -> CompletableFuture.supplyAsync(null, exec),
3458	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3458	>	() -> CompletableFuture.supplyAsync(new ItemSupplier(ExecutionMode.SYNC, fortytwo), null),
3459
3460		() -> CompletableFuture.runAsync(null),
3461		() -> CompletableFuture.runAsync(null, exec),
#	Line 3140 | Line 3465 | public class CompletableFutureTest exten
3465
3466		() -> f.thenApply(null),
3467		() -> f.thenApplyAsync(null),
3468	<	() -> f.thenApplyAsync((x) -> x, null),
3468	>	() -> f.thenApplyAsync(x -> x, null),
3469		() -> f.thenApplyAsync(null, exec),
3470
3471		() -> f.thenAccept(null),
3472		() -> f.thenAcceptAsync(null),
3473	<	() -> f.thenAcceptAsync((x) -> {} , null),
3473	>	() -> f.thenAcceptAsync(x -> {} , null),
3474		() -> f.thenAcceptAsync(null, exec),
3475
3476		() -> f.thenRun(null),
#	Line 3180 | Line 3505 | public class CompletableFutureTest exten
3505		() -> f.applyToEither(g, null),
3506		() -> f.applyToEitherAsync(g, null),
3507		() -> f.applyToEitherAsync(g, null, exec),
3508	<	() -> f.applyToEither(nullFuture, (x) -> x),
3509	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3510	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3511	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3508	>	() -> f.applyToEither(nullFuture, x -> x),
3509	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3510	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3511	>	() -> f.applyToEitherAsync(g, x -> x, null),
3512
3513		() -> f.acceptEither(g, null),
3514		() -> f.acceptEitherAsync(g, null),
3515		() -> f.acceptEitherAsync(g, null, exec),
3516	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3517	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3518	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3519	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3516	>	() -> f.acceptEither(nullFuture, x -> {}),
3517	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3518	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3519	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3520
3521		() -> f.runAfterEither(g, null),
3522		() -> f.runAfterEitherAsync(g, null),
#	Line 3221 | Line 3546 | public class CompletableFutureTest exten
3546		() -> CompletableFuture.anyOf(null, f),
3547
3548		() -> f.obtrudeException(null),
3224	–	};
3549
3550	<	assertThrows(NullPointerException.class, throwingActions);
3551	<	assertEquals(0, exec.count.get());
3550	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3551	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3552	>	() -> CompletableFuture.delayedExecutor(1L, null),
3553	>
3554	>	() -> f.orTimeout(1L, null),
3555	>	() -> f.completeOnTimeout(fortytwo, 1L, null),
3556	>
3557	>	() -> CompletableFuture.failedFuture(null),
3558	>	() -> CompletableFuture.failedStage(null));
3559	>
3560	>	mustEqual(0, exec.count.get());
3561		}
3562
3563		/**
3564	+	* Test submissions to an executor that rejects all tasks.
3565	+	*/
3566	+	public void testRejectingExecutor() {
3567	+	for (Item v : new Item[] { one, null })
3568	+	{
3569	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3570	+
3571	+	final CompletableFuture<Item> complete = CompletableFuture.completedFuture(v);
3572	+	final CompletableFuture<Item> incomplete = new CompletableFuture<>();
3573	+
3574	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3575	+
3576	+	List<CompletableFuture<Item>> srcs = new ArrayList<>();
3577	+	srcs.add(complete);
3578	+	srcs.add(incomplete);
3579	+
3580	+	for (CompletableFuture<Item> src : srcs) {
3581	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3582	+	fs.add(src.thenRunAsync(() -> {}, e));
3583	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3584	+	fs.add(src.thenApplyAsync(z -> z, e));
3585	+
3586	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3587	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3588	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3589	+
3590	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3591	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3592	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3593	+
3594	+	fs.add(src.thenComposeAsync(z -> null, e));
3595	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3596	+	fs.add(src.handleAsync((z, t) -> null, e));
3597	+
3598	+	for (CompletableFuture<?> future : fs) {
3599	+	if (src.isDone())
3600	+	checkCompletedWithWrappedException(future, e.ex);
3601	+	else
3602	+	checkIncomplete(future);
3603	+	}
3604	+	futures.addAll(fs);
3605	+	}
3606	+
3607	+	{
3608	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3609	+
3610	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3611	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3612	+
3613	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3614	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3615	+
3616	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3617	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3618	+
3619	+	for (CompletableFuture<?> future : fs)
3620	+	checkIncomplete(future);
3621	+	futures.addAll(fs);
3622	+	}
3623	+
3624	+	{
3625	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3626	+
3627	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3628	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3629	+
3630	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3631	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3632	+
3633	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3634	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3635	+
3636	+	for (CompletableFuture<?> future : fs)
3637	+	checkCompletedWithWrappedException(future, e.ex);
3638	+	futures.addAll(fs);
3639	+	}
3640	+
3641	+	incomplete.complete(v);
3642	+
3643	+	for (CompletableFuture<?> future : futures)
3644	+	checkCompletedWithWrappedException(future, e.ex);
3645	+
3646	+	mustEqual(futures.size(), e.count.get());
3647	+	}}
3648	+
3649	+	/**
3650	+	* Test submissions to an executor that rejects all tasks, but
3651	+	* should never be invoked because the dependent future is
3652	+	* explicitly completed.
3653	+	*/
3654	+	public void testRejectingExecutorNeverInvoked() {
3655	+	for (Item v : new Item[] { one, null })
3656	+	{
3657	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3658	+
3659	+	final CompletableFuture<Item> complete = CompletableFuture.completedFuture(v);
3660	+	final CompletableFuture<Item> incomplete = new CompletableFuture<>();
3661	+
3662	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3663	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3664	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3665	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3666	+
3667	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3668	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3669	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3670	+
3671	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3672	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3673	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3674	+
3675	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3676	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3677	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3678	+
3679	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3680	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3681	+
3682	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3683	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3684	+
3685	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3686	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3687	+
3688	+	for (CompletableFuture<?> future : fs)
3689	+	checkIncomplete(future);
3690	+
3691	+	for (CompletableFuture<?> future : fs)
3692	+	future.complete(null);
3693	+
3694	+	incomplete.complete(v);
3695	+
3696	+	for (CompletableFuture<?> future : fs)
3697	+	checkCompletedNormally(future, null);
3698	+
3699	+	mustEqual(0, e.count.get());
3700	+	}}
3701	+
3702	+	/**
3703		* toCompletableFuture returns this CompletableFuture.
3704		*/
3705		public void testToCompletableFuture() {
3706	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3706	>	CompletableFuture<Item> f = new CompletableFuture<>();
3707		assertSame(f, f.toCompletableFuture());
3708		}
3709
3710	+	// jdk9
3711	+
3712	+	/**
3713	+	* newIncompleteFuture returns an incomplete CompletableFuture
3714	+	*/
3715	+	public void testNewIncompleteFuture() {
3716	+	for (Item v1 : new Item[] { one, null })
3717	+	{
3718	+	CompletableFuture<Item> f = new CompletableFuture<>();
3719	+	CompletableFuture<Item> g = f.newIncompleteFuture();
3720	+	checkIncomplete(f);
3721	+	checkIncomplete(g);
3722	+	f.complete(v1);
3723	+	checkCompletedNormally(f, v1);
3724	+	checkIncomplete(g);
3725	+	g.complete(v1);
3726	+	checkCompletedNormally(g, v1);
3727	+	assertSame(g.getClass(), CompletableFuture.class);
3728	+	}}
3729	+
3730	+	/**
3731	+	* completedStage returns a completed CompletionStage
3732	+	*/
3733	+	public void testCompletedStage() {
3734	+	AtomicInteger x = new AtomicInteger(0);
3735	+	AtomicReference<Throwable> r = new AtomicReference<>();
3736	+	CompletionStage<Item> f = CompletableFuture.completedStage(one);
3737	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v.value);});
3738	+	mustEqual(x.get(), 1);
3739	+	assertNull(r.get());
3740	+	}
3741	+
3742	+	/**
3743	+	* defaultExecutor by default returns the commonPool if
3744	+	* it supports more than one thread.
3745	+	*/
3746	+	public void testDefaultExecutor() {
3747	+	CompletableFuture<Item> f = new CompletableFuture<>();
3748	+	Executor e = f.defaultExecutor();
3749	+	Executor c = ForkJoinPool.commonPool();
3750	+	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3751	+	assertSame(e, c);
3752	+	else
3753	+	assertNotSame(e, c);
3754	+	}
3755	+
3756	+	/**
3757	+	* failedFuture returns a CompletableFuture completed
3758	+	* exceptionally with the given Exception
3759	+	*/
3760	+	public void testFailedFuture() {
3761	+	CFException ex = new CFException();
3762	+	CompletableFuture<Item> f = CompletableFuture.failedFuture(ex);
3763	+	checkCompletedExceptionally(f, ex);
3764	+	}
3765	+
3766	+	/**
3767	+	* copy returns a CompletableFuture that is completed normally,
3768	+	* with the same value, when source is.
3769	+	*/
3770	+	public void testCopy_normalCompletion() {
3771	+	for (boolean createIncomplete : new boolean[] { true, false })
3772	+	for (Item v1 : new Item[] { one, null })
3773	+	{
3774	+	CompletableFuture<Item> f = new CompletableFuture<>();
3775	+	if (!createIncomplete) assertTrue(f.complete(v1));
3776	+	CompletableFuture<Item> g = f.copy();
3777	+	if (createIncomplete) {
3778	+	checkIncomplete(f);
3779	+	checkIncomplete(g);
3780	+	assertTrue(f.complete(v1));
3781	+	}
3782	+	checkCompletedNormally(f, v1);
3783	+	checkCompletedNormally(g, v1);
3784	+	}}
3785	+
3786	+	/**
3787	+	* copy returns a CompletableFuture that is completed exceptionally
3788	+	* when source is.
3789	+	*/
3790	+	public void testCopy_exceptionalCompletion() {
3791	+	for (boolean createIncomplete : new boolean[] { true, false })
3792	+	{
3793	+	CFException ex = new CFException();
3794	+	CompletableFuture<Item> f = new CompletableFuture<>();
3795	+	if (!createIncomplete) f.completeExceptionally(ex);
3796	+	CompletableFuture<Item> g = f.copy();
3797	+	if (createIncomplete) {
3798	+	checkIncomplete(f);
3799	+	checkIncomplete(g);
3800	+	f.completeExceptionally(ex);
3801	+	}
3802	+	checkCompletedExceptionally(f, ex);
3803	+	checkCompletedWithWrappedException(g, ex);
3804	+	}}
3805	+
3806	+	/**
3807	+	* Completion of a copy does not complete its source.
3808	+	*/
3809	+	public void testCopy_oneWayPropagation() {
3810	+	CompletableFuture<Item> f = new CompletableFuture<>();
3811	+	assertTrue(f.copy().complete(one));
3812	+	assertTrue(f.copy().complete(null));
3813	+	assertTrue(f.copy().cancel(true));
3814	+	assertTrue(f.copy().cancel(false));
3815	+	assertTrue(f.copy().completeExceptionally(new CFException()));
3816	+	checkIncomplete(f);
3817	+	}
3818	+
3819	+	/**
3820	+	* minimalCompletionStage returns a CompletableFuture that is
3821	+	* completed normally, with the same value, when source is.
3822	+	*/
3823	+	public void testMinimalCompletionStage() {
3824	+	CompletableFuture<Item> f = new CompletableFuture<>();
3825	+	CompletionStage<Item> g = f.minimalCompletionStage();
3826	+	AtomicInteger x = new AtomicInteger(0);
3827	+	AtomicReference<Throwable> r = new AtomicReference<>();
3828	+	checkIncomplete(f);
3829	+	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v.value);});
3830	+	f.complete(one);
3831	+	checkCompletedNormally(f, one);
3832	+	mustEqual(x.get(), 1);
3833	+	assertNull(r.get());
3834	+	}
3835	+
3836	+	/**
3837	+	* minimalCompletionStage returns a CompletableFuture that is
3838	+	* completed exceptionally when source is.
3839	+	*/
3840	+	public void testMinimalCompletionStage2() {
3841	+	CompletableFuture<Item> f = new CompletableFuture<>();
3842	+	CompletionStage<Item> g = f.minimalCompletionStage();
3843	+	AtomicInteger x = new AtomicInteger(0);
3844	+	AtomicReference<Throwable> r = new AtomicReference<>();
3845	+	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v.value);});
3846	+	checkIncomplete(f);
3847	+	CFException ex = new CFException();
3848	+	f.completeExceptionally(ex);
3849	+	checkCompletedExceptionally(f, ex);
3850	+	mustEqual(x.get(), 0);
3851	+	mustEqual(r.get().getCause(), ex);
3852	+	}
3853	+
3854	+	/**
3855	+	* failedStage returns a CompletionStage completed
3856	+	* exceptionally with the given Exception
3857	+	*/
3858	+	public void testFailedStage() {
3859	+	CFException ex = new CFException();
3860	+	CompletionStage<Item> f = CompletableFuture.failedStage(ex);
3861	+	AtomicInteger x = new AtomicInteger(0);
3862	+	AtomicReference<Throwable> r = new AtomicReference<>();
3863	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v.value);});
3864	+	mustEqual(x.get(), 0);
3865	+	mustEqual(r.get(), ex);
3866	+	}
3867	+
3868	+	/**
3869	+	* completeAsync completes with value of given supplier
3870	+	*/
3871	+	public void testCompleteAsync() {
3872	+	for (Item v1 : new Item[] { one, null })
3873	+	{
3874	+	CompletableFuture<Item> f = new CompletableFuture<>();
3875	+	f.completeAsync(() -> v1);
3876	+	f.join();
3877	+	checkCompletedNormally(f, v1);
3878	+	}}
3879	+
3880	+	/**
3881	+	* completeAsync completes exceptionally if given supplier throws
3882	+	*/
3883	+	public void testCompleteAsync2() {
3884	+	CompletableFuture<Item> f = new CompletableFuture<>();
3885	+	CFException ex = new CFException();
3886	+	f.completeAsync(() -> { throw ex; });
3887	+	try {
3888	+	f.join();
3889	+	shouldThrow();
3890	+	} catch (CompletionException success) {}
3891	+	checkCompletedWithWrappedException(f, ex);
3892	+	}
3893	+
3894	+	/**
3895	+	* completeAsync with given executor completes with value of given supplier
3896	+	*/
3897	+	public void testCompleteAsync3() {
3898	+	for (Item v1 : new Item[] { one, null })
3899	+	{
3900	+	CompletableFuture<Item> f = new CompletableFuture<>();
3901	+	ThreadExecutor executor = new ThreadExecutor();
3902	+	f.completeAsync(() -> v1, executor);
3903	+	assertSame(v1, f.join());
3904	+	checkCompletedNormally(f, v1);
3905	+	mustEqual(1, executor.count.get());
3906	+	}}
3907	+
3908	+	/**
3909	+	* completeAsync with given executor completes exceptionally if
3910	+	* given supplier throws
3911	+	*/
3912	+	public void testCompleteAsync4() {
3913	+	CompletableFuture<Item> f = new CompletableFuture<>();
3914	+	CFException ex = new CFException();
3915	+	ThreadExecutor executor = new ThreadExecutor();
3916	+	f.completeAsync(() -> { throw ex; }, executor);
3917	+	try {
3918	+	f.join();
3919	+	shouldThrow();
3920	+	} catch (CompletionException success) {}
3921	+	checkCompletedWithWrappedException(f, ex);
3922	+	mustEqual(1, executor.count.get());
3923	+	}
3924	+
3925	+	/**
3926	+	* orTimeout completes with TimeoutException if not complete
3927	+	*/
3928	+	public void testOrTimeout_timesOut() {
3929	+	long timeoutMillis = timeoutMillis();
3930	+	CompletableFuture<Item> f = new CompletableFuture<>();
3931	+	long startTime = System.nanoTime();
3932	+	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3933	+	checkCompletedWithTimeoutException(f);
3934	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3935	+	}
3936	+
3937	+	/**
3938	+	* orTimeout completes normally if completed before timeout
3939	+	*/
3940	+	public void testOrTimeout_completed() {
3941	+	for (Item v1 : new Item[] { one, null })
3942	+	{
3943	+	CompletableFuture<Item> f = new CompletableFuture<>();
3944	+	CompletableFuture<Item> g = new CompletableFuture<>();
3945	+	long startTime = System.nanoTime();
3946	+	f.complete(v1);
3947	+	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3948	+	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3949	+	g.complete(v1);
3950	+	checkCompletedNormally(f, v1);
3951	+	checkCompletedNormally(g, v1);
3952	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3953	+	}}
3954	+
3955	+	/**
3956	+	* completeOnTimeout completes with given value if not complete
3957	+	*/
3958	+	public void testCompleteOnTimeout_timesOut() {
3959	+	testInParallel(() -> testCompleteOnTimeout_timesOut(fortytwo),
3960	+	() -> testCompleteOnTimeout_timesOut(null));
3961	+	}
3962	+
3963	+	/**
3964	+	* completeOnTimeout completes with given value if not complete
3965	+	*/
3966	+	public void testCompleteOnTimeout_timesOut(Item v) {
3967	+	long timeoutMillis = timeoutMillis();
3968	+	CompletableFuture<Item> f = new CompletableFuture<>();
3969	+	long startTime = System.nanoTime();
3970	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3971	+	assertSame(v, f.join());
3972	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3973	+	f.complete(ninetynine);         // should have no effect
3974	+	checkCompletedNormally(f, v);
3975	+	}
3976	+
3977	+	/**
3978	+	* completeOnTimeout has no effect if completed within timeout
3979	+	*/
3980	+	public void testCompleteOnTimeout_completed() {
3981	+	for (Item v1 : new Item[] { one, null })
3982	+	{
3983	+	CompletableFuture<Item> f = new CompletableFuture<>();
3984	+	CompletableFuture<Item> g = new CompletableFuture<>();
3985	+	long startTime = System.nanoTime();
3986	+	f.complete(v1);
3987	+	mustEqual(f, f.completeOnTimeout(minusOne, LONG_DELAY_MS, MILLISECONDS));
3988	+	mustEqual(g, g.completeOnTimeout(minusOne, LONG_DELAY_MS, MILLISECONDS));
3989	+	g.complete(v1);
3990	+	checkCompletedNormally(f, v1);
3991	+	checkCompletedNormally(g, v1);
3992	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3993	+	}}
3994	+
3995	+	/**
3996	+	* delayedExecutor returns an executor that delays submission
3997	+	*/
3998	+	public void testDelayedExecutor() {
3999	+	testInParallel(() -> testDelayedExecutor(null, null),
4000	+	() -> testDelayedExecutor(null, one),
4001	+	() -> testDelayedExecutor(new ThreadExecutor(), one),
4002	+	() -> testDelayedExecutor(new ThreadExecutor(), one));
4003	+	}
4004	+
4005	+	public void testDelayedExecutor(Executor executor, Item v) throws Exception {
4006	+	long timeoutMillis = timeoutMillis();
4007	+	// Use an "unreasonably long" long timeout to catch lingering threads
4008	+	long longTimeoutMillis = 1000 * 60 * 60 * 24;
4009	+	final Executor delayer, longDelayer;
4010	+	if (executor == null) {
4011	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
4012	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
4013	+	} else {
4014	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
4015	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
4016	+	}
4017	+	long startTime = System.nanoTime();
4018	+	CompletableFuture<Item> f =
4019	+	CompletableFuture.supplyAsync(() -> v, delayer);
4020	+	CompletableFuture<Item> g =
4021	+	CompletableFuture.supplyAsync(() -> v, longDelayer);
4022	+
4023	+	assertNull(g.getNow(null));
4024	+
4025	+	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
4026	+	long millisElapsed = millisElapsedSince(startTime);
4027	+	assertTrue(millisElapsed >= timeoutMillis);
4028	+	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
4029	+
4030	+	checkCompletedNormally(f, v);
4031	+
4032	+	checkIncomplete(g);
4033	+	assertTrue(g.cancel(true));
4034	+	}
4035	+
4036		//--- tests of implementation details; not part of official tck ---
4037
4038		Object resultOf(CompletableFuture<?> f) {
4039	+	SecurityManager sm = System.getSecurityManager();
4040	+	if (sm != null) {
4041	+	try {
4042	+	System.setSecurityManager(null);
4043	+	} catch (SecurityException giveUp) {
4044	+	return "Reflection not available";
4045	+	}
4046	+	}
4047	+
4048		try {
4049		java.lang.reflect.Field resultField
4050		= CompletableFuture.class.getDeclaredField("result");
4051		resultField.setAccessible(true);
4052		return resultField.get(f);
4053	<	} catch (Throwable t) { throw new AssertionError(t); }
4053	>	} catch (Throwable t) {
4054	>	throw new AssertionError(t);
4055	>	} finally {
4056	>	if (sm != null) System.setSecurityManager(sm);
4057	>	}
4058		}
4059
4060		public void testExceptionPropagationReusesResultObject() {
#	Line 3251 | Line 4062 | public class CompletableFutureTest exten
4062		for (ExecutionMode m : ExecutionMode.values())
4063		{
4064		final CFException ex = new CFException();
4065	<	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4066	<	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4065	>	final CompletableFuture<Item> v42 = CompletableFuture.completedFuture(fortytwo);
4066	>	final CompletableFuture<Item> incomplete = new CompletableFuture<>();
4067
4068	<	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4069	<	= new ArrayList<>();
4070	<
3260	<	funs.add((y) -> m.thenRun(y, new Noop(m)));
3261	<	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3262	<	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3263	<
3264	<	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3265	<	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3266	<	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
4068	>	final Runnable noopRunnable = new Noop(m);
4069	>	final Consumer<Item> noopConsumer = new NoopConsumer(m);
4070	>	final Function<Item, Item> incFunction = new IncFunction(m);
4071
4072	<	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
4073	<	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3270	<	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3271	<
3272	<	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3273	<
3274	<	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
4072	>	List<Function<CompletableFuture<Item>, CompletableFuture<?>>> funs
4073	>	= new ArrayList<>();
4074
4075	<	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
4076	<	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
4075	>	funs.add(y -> m.thenRun(y, noopRunnable));
4076	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4077	>	funs.add(y -> m.thenApply(y, incFunction));
4078	>
4079	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4080	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4081	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4082	>
4083	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4084	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4085	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4086	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4087	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4088	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4089	>
4090	>	funs.add(y -> m.whenComplete(y, (Item r, Throwable t) -> {}));
4091	>
4092	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4093	>
4094	>	funs.add(y -> CompletableFuture.allOf(y));
4095	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4096	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4097	>	funs.add(y -> CompletableFuture.anyOf(y));
4098	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4099	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4100
4101	<	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4101	>	for (Function<CompletableFuture<Item>, CompletableFuture<?>>
4102		fun : funs) {
4103	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4103	>	CompletableFuture<Item> f = new CompletableFuture<>();
4104		f.completeExceptionally(ex);
4105	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4105	>	CompletableFuture<Item> src = m.thenApply(f, incFunction);
4106		checkCompletedWithWrappedException(src, ex);
4107		CompletableFuture<?> dep = fun.apply(src);
4108		checkCompletedWithWrappedException(dep, ex);
4109		assertSame(resultOf(src), resultOf(dep));
4110		}
4111
4112	<	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4112	>	for (Function<CompletableFuture<Item>, CompletableFuture<?>>
4113		fun : funs) {
4114	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4115	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4114	>	CompletableFuture<Item> f = new CompletableFuture<>();
4115	>	CompletableFuture<Item> src = m.thenApply(f, incFunction);
4116		CompletableFuture<?> dep = fun.apply(src);
4117		f.completeExceptionally(ex);
4118		checkCompletedWithWrappedException(src, ex);
#	Line 3299 | Line 4121 | public class CompletableFutureTest exten
4121		}
4122
4123		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4124	<	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4124	>	for (Function<CompletableFuture<Item>, CompletableFuture<?>>
4125		fun : funs) {
4126	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4126	>	CompletableFuture<Item> f = new CompletableFuture<>();
4127		f.cancel(mayInterruptIfRunning);
4128		checkCancelled(f);
4129	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4129	>	CompletableFuture<Item> src = m.thenApply(f, incFunction);
4130		checkCompletedWithWrappedCancellationException(src);
4131		CompletableFuture<?> dep = fun.apply(src);
4132		checkCompletedWithWrappedCancellationException(dep);
#	Line 3312 | Line 4134 | public class CompletableFutureTest exten
4134		}
4135
4136		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4137	<	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4137	>	for (Function<CompletableFuture<Item>, CompletableFuture<?>>
4138		fun : funs) {
4139	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4140	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4139	>	CompletableFuture<Item> f = new CompletableFuture<>();
4140	>	CompletableFuture<Item> src = m.thenApply(f, incFunction);
4141		CompletableFuture<?> dep = fun.apply(src);
4142		f.cancel(mayInterruptIfRunning);
4143		checkCancelled(f);
#	Line 3325 | Line 4147 | public class CompletableFutureTest exten
4147		}
4148		}}
4149
4150	+	/**
4151	+	* Minimal completion stages throw UOE for most non-CompletionStage methods
4152	+	*/
4153	+	public void testMinimalCompletionStage_minimality() {
4154	+	if (!testImplementationDetails) return;
4155	+	Function<Method, String> toSignature =
4156	+	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4157	+	Predicate<Method> isNotStatic =
4158	+	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4159	+	List<Method> minimalMethods =
4160	+	Stream.of(Object.class, CompletionStage.class)
4161	+	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4162	+	.filter(isNotStatic)
4163	+	.collect(Collectors.toList());
4164	+	// Methods from CompletableFuture permitted NOT to throw UOE
4165	+	String[] signatureWhitelist = {
4166	+	"newIncompleteFuture[]",
4167	+	"defaultExecutor[]",
4168	+	"minimalCompletionStage[]",
4169	+	"copy[]",
4170	+	};
4171	+	Set<String> permittedMethodSignatures =
4172	+	Stream.concat(minimalMethods.stream().map(toSignature),
4173	+	Stream.of(signatureWhitelist))
4174	+	.collect(Collectors.toSet());
4175	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4176	+	.filter(isNotStatic)
4177	+	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4178	+	.collect(Collectors.toList());
4179	+
4180	+	List<CompletionStage<Item>> stages = new ArrayList<>();
4181	+	CompletionStage<Item> min =
4182	+	new CompletableFuture<Item>().minimalCompletionStage();
4183	+	stages.add(min);
4184	+	stages.add(min.thenApply(x -> x));
4185	+	stages.add(CompletableFuture.completedStage(one));
4186	+	stages.add(CompletableFuture.failedStage(new CFException()));
4187	+
4188	+	List<Method> bugs = new ArrayList<>();
4189	+	for (Method method : allMethods) {
4190	+	Class<?>[] parameterTypes = method.getParameterTypes();
4191	+	Object[] args = new Object[parameterTypes.length];
4192	+	// Manufacture boxed primitives for primitive params
4193	+	for (int i = 0; i < args.length; i++) {
4194	+	Class<?> type = parameterTypes[i];
4195	+	if      (type == boolean.class) args[i] = false;
4196	+	else if (type == int.class)     args[i] = 0;
4197	+	else if (type == long.class)    args[i] = 0L;
4198	+	}
4199	+	for (CompletionStage<Item> stage : stages) {
4200	+	try {
4201	+	method.invoke(stage, args);
4202	+	bugs.add(method);
4203	+	}
4204	+	catch (java.lang.reflect.InvocationTargetException expected) {
4205	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4206	+	bugs.add(method);
4207	+	// expected.getCause().printStackTrace();
4208	+	}
4209	+	}
4210	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4211	+	}
4212	+	}
4213	+	if (!bugs.isEmpty())
4214	+	throw new Error("Methods did not throw UOE: " + bugs);
4215	+	}
4216	+
4217	+	/**
4218	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4219	+	* is completed normally, with the same value, when source is.
4220	+	*/
4221	+	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4222	+	for (boolean createIncomplete : new boolean[] { true, false })
4223	+	for (Item v1 : new Item[] { one, null })
4224	+	{
4225	+	CompletableFuture<Item> f = new CompletableFuture<>();
4226	+	CompletionStage<Item> minimal = f.minimalCompletionStage();
4227	+	if (!createIncomplete) assertTrue(f.complete(v1));
4228	+	CompletableFuture<Item> g = minimal.toCompletableFuture();
4229	+	if (createIncomplete) {
4230	+	checkIncomplete(f);
4231	+	checkIncomplete(g);
4232	+	assertTrue(f.complete(v1));
4233	+	}
4234	+	checkCompletedNormally(f, v1);
4235	+	checkCompletedNormally(g, v1);
4236	+	}}
4237	+
4238	+	/**
4239	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4240	+	* is completed exceptionally when source is.
4241	+	*/
4242	+	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4243	+	for (boolean createIncomplete : new boolean[] { true, false })
4244	+	{
4245	+	CFException ex = new CFException();
4246	+	CompletableFuture<Item> f = new CompletableFuture<>();
4247	+	CompletionStage<Item> minimal = f.minimalCompletionStage();
4248	+	if (!createIncomplete) f.completeExceptionally(ex);
4249	+	CompletableFuture<Item> g = minimal.toCompletableFuture();
4250	+	if (createIncomplete) {
4251	+	checkIncomplete(f);
4252	+	checkIncomplete(g);
4253	+	f.completeExceptionally(ex);
4254	+	}
4255	+	checkCompletedExceptionally(f, ex);
4256	+	checkCompletedWithWrappedException(g, ex);
4257	+	}}
4258	+
4259	+	/**
4260	+	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4261	+	*/
4262	+	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4263	+	for (Item v1 : new Item[] { one, null })
4264	+	{
4265	+	CompletableFuture<Item> f = new CompletableFuture<>();
4266	+	CompletionStage<Item> minimal = f.minimalCompletionStage();
4267	+	CompletableFuture<Item> g = minimal.toCompletableFuture();
4268	+	assertTrue(g.complete(v1));
4269	+	checkCompletedNormally(g, v1);
4270	+	checkIncomplete(f);
4271	+	checkIncomplete(minimal.toCompletableFuture());
4272	+	}}
4273	+
4274	+	/**
4275	+	* minimalStage.toCompletableFuture().join() awaits completion
4276	+	*/
4277	+	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4278	+	for (boolean createIncomplete : new boolean[] { true, false })
4279	+	for (Item v1 : new Item[] { one, null })
4280	+	{
4281	+	CompletableFuture<Item> f = new CompletableFuture<>();
4282	+	if (!createIncomplete) assertTrue(f.complete(v1));
4283	+	CompletionStage<Item> minimal = f.minimalCompletionStage();
4284	+	if (createIncomplete) assertTrue(f.complete(v1));
4285	+	mustEqual(v1, minimal.toCompletableFuture().join());
4286	+	mustEqual(v1, minimal.toCompletableFuture().get());
4287	+	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4288	+	}}
4289	+
4290	+	/**
4291	+	* Completion of a toCompletableFuture copy of a minimal stage
4292	+	* does not complete its source.
4293	+	*/
4294	+	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4295	+	CompletableFuture<Item> f = new CompletableFuture<>();
4296	+	CompletionStage<Item> g = f.minimalCompletionStage();
4297	+	assertTrue(g.toCompletableFuture().complete(one));
4298	+	assertTrue(g.toCompletableFuture().complete(null));
4299	+	assertTrue(g.toCompletableFuture().cancel(true));
4300	+	assertTrue(g.toCompletableFuture().cancel(false));
4301	+	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4302	+	checkIncomplete(g.toCompletableFuture());
4303	+	f.complete(one);
4304	+	checkCompletedNormally(g.toCompletableFuture(), one);
4305	+	}
4306	+
4307	+	/** Demo utility method for external reliable toCompletableFuture */
4308	+	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4309	+	CompletableFuture<T> f = new CompletableFuture<>();
4310	+	stage.handle((T t, Throwable ex) -> {
4311	+	if (ex != null) f.completeExceptionally(ex);
4312	+	else f.complete(t);
4313	+	return null;
4314	+	});
4315	+	return f;
4316	+	}
4317	+
4318	+	/** Demo utility method to join a CompletionStage */
4319	+	static <T> T join(CompletionStage<T> stage) {
4320	+	return toCompletableFuture(stage).join();
4321	+	}
4322	+
4323	+	/**
4324	+	* Joining a minimal stage "by hand" works
4325	+	*/
4326	+	public void testMinimalCompletionStage_join_by_hand() {
4327	+	for (boolean createIncomplete : new boolean[] { true, false })
4328	+	for (Item v1 : new Item[] { one, null })
4329	+	{
4330	+	CompletableFuture<Item> f = new CompletableFuture<>();
4331	+	CompletionStage<Item> minimal = f.minimalCompletionStage();
4332	+	CompletableFuture<Item> g = new CompletableFuture<>();
4333	+	if (!createIncomplete) assertTrue(f.complete(v1));
4334	+	minimal.thenAccept(x -> g.complete(x));
4335	+	if (createIncomplete) assertTrue(f.complete(v1));
4336	+	g.join();
4337	+	checkCompletedNormally(g, v1);
4338	+	checkCompletedNormally(f, v1);
4339	+	mustEqual(v1, join(minimal));
4340	+	}}
4341	+
4342	+	static class Monad {
4343	+	static class ZeroException extends RuntimeException {
4344	+	public ZeroException() { super("monadic zero"); }
4345	+	}
4346	+	// "return", "unit"
4347	+	static <T> CompletableFuture<T> unit(T value) {
4348	+	return completedFuture(value);
4349	+	}
4350	+	// monadic zero ?
4351	+	static <T> CompletableFuture<T> zero() {
4352	+	return failedFuture(new ZeroException());
4353	+	}
4354	+	// >=>
4355	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4356	+	(Function<T, CompletableFuture<U>> f,
4357	+	Function<U, CompletableFuture<V>> g) {
4358	+	return x -> f.apply(x).thenCompose(g);
4359	+	}
4360	+
4361	+	static void assertZero(CompletableFuture<?> f) {
4362	+	try {
4363	+	f.getNow(null);
4364	+	throw new AssertionError("should throw");
4365	+	} catch (CompletionException success) {
4366	+	assertTrue(success.getCause() instanceof ZeroException);
4367	+	}
4368	+	}
4369	+
4370	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4371	+	CompletableFuture<T> g) {
4372	+	T fval = null, gval = null;
4373	+	Throwable fex = null, gex = null;
4374	+
4375	+	try { fval = f.get(); }
4376	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4377	+	catch (Throwable ex) { fex = ex; }
4378	+
4379	+	try { gval = g.get(); }
4380	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4381	+	catch (Throwable ex) { gex = ex; }
4382	+
4383	+	if (fex != null || gex != null)
4384	+	assertSame(fex.getClass(), gex.getClass());
4385	+	else
4386	+	mustEqual(fval, gval);
4387	+	}
4388	+
4389	+	static class PlusFuture<T> extends CompletableFuture<T> {
4390	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4391	+	}
4392	+
4393	+	/** Implements "monadic plus". */
4394	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4395	+	CompletableFuture<? extends T> g) {
4396	+	PlusFuture<T> plus = new PlusFuture<T>();
4397	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4398	+	try {
4399	+	if (ex == null) {
4400	+	if (plus.complete(result))
4401	+	if (plus.firstFailure.get() != null)
4402	+	plus.firstFailure.set(null);
4403	+	}
4404	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4405	+	if (plus.isDone())
4406	+	plus.firstFailure.set(null);
4407	+	}
4408	+	else {
4409	+	// first failure has precedence
4410	+	Throwable first = plus.firstFailure.getAndSet(null);
4411	+
4412	+	// may fail with "Self-suppression not permitted"
4413	+	try { first.addSuppressed(ex); }
4414	+	catch (Exception ignored) {}
4415	+
4416	+	plus.completeExceptionally(first);
4417	+	}
4418	+	} catch (Throwable unexpected) {
4419	+	plus.completeExceptionally(unexpected);
4420	+	}
4421	+	};
4422	+	f.whenComplete(action);
4423	+	g.whenComplete(action);
4424	+	return plus;
4425	+	}
4426	+	}
4427	+
4428	+	/**
4429	+	* CompletableFuture is an additive monad - sort of.
4430	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4431	+	*/
4432	+	public void testAdditiveMonad() throws Throwable {
4433	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4434	+	CompletableFuture<Long> zero = Monad.zero();
4435	+
4436	+	// Some mutually non-commutative functions
4437	+	Function<Long, CompletableFuture<Long>> triple
4438	+	= x -> Monad.unit(3 * x);
4439	+	Function<Long, CompletableFuture<Long>> inc
4440	+	= x -> Monad.unit(x + 1);
4441	+
4442	+	// unit is a right identity: m >>= unit === m
4443	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4444	+	inc.apply(5L));
4445	+	// unit is a left identity: (unit x) >>= f === f x
4446	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4447	+	inc.apply(5L));
4448	+
4449	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4450	+	Monad.assertFutureEquals(
4451	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4452	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4453	+
4454	+	// The case for CompletableFuture as an additive monad is weaker...
4455	+
4456	+	// zero is a monadic zero
4457	+	Monad.assertZero(zero);
4458	+
4459	+	// left zero: zero >>= f === zero
4460	+	Monad.assertZero(zero.thenCompose(inc));
4461	+	// right zero: f >>= (\x -> zero) === zero
4462	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4463	+
4464	+	// f plus zero === f
4465	+	Monad.assertFutureEquals(Monad.unit(5L),
4466	+	Monad.plus(Monad.unit(5L), zero));
4467	+	// zero plus f === f
4468	+	Monad.assertFutureEquals(Monad.unit(5L),
4469	+	Monad.plus(zero, Monad.unit(5L)));
4470	+	// zero plus zero === zero
4471	+	Monad.assertZero(Monad.plus(zero, zero));
4472	+	{
4473	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4474	+	Monad.unit(8L));
4475	+	// non-determinism
4476	+	assertTrue(f.get() == 5L || f.get() == 8L);
4477	+	}
4478	+
4479	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4480	+	// f plus godot === f (doesn't wait for godot)
4481	+	Monad.assertFutureEquals(Monad.unit(5L),
4482	+	Monad.plus(Monad.unit(5L), godot));
4483	+	// godot plus f === f (doesn't wait for godot)
4484	+	Monad.assertFutureEquals(Monad.unit(5L),
4485	+	Monad.plus(godot, Monad.unit(5L)));
4486	+	}
4487	+
4488	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4489	+	@SuppressWarnings("FutureReturnValueIgnored")
4490	+	public void testRecursiveChains() throws Throwable {
4491	+	for (ExecutionMode m : ExecutionMode.values())
4492	+	for (boolean addDeadEnds : new boolean[] { true, false })
4493	+	{
4494	+	final int val = 42;
4495	+	final int n = expensiveTests ? 1_000 : 2;
4496	+	CompletableFuture<Item> head = new CompletableFuture<>();
4497	+	CompletableFuture<Item> tail = head;
4498	+	for (int i = 0; i < n; i++) {
4499	+	if (addDeadEnds) m.thenApply(tail, v -> new Item(v.value + 1));
4500	+	tail = m.thenApply(tail, v -> new Item(v.value + 1));
4501	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> new Item(v.value + 1));
4502	+	tail = m.applyToEither(tail, tail, v -> new Item(v.value + 1));
4503	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> new Item(v.value + 1));
4504	+	tail = m.thenCombine(tail, tail, (v, w) -> new Item(v.value + 1));
4505	+	}
4506	+	head.complete(itemFor(val));
4507	+	mustEqual(val + 3 * n, tail.join());
4508	+	}}
4509	+
4510	+	/**
4511	+	* A single CompletableFuture with many dependents.
4512	+	* A demo of scalability - runtime is O(n).
4513	+	*/
4514	+	@SuppressWarnings("FutureReturnValueIgnored")
4515	+	public void testManyDependents() throws Throwable {
4516	+	final int n = expensiveTests ? 1_000_000 : 10;
4517	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4518	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4519	+	final AtomicInteger count = new AtomicInteger(0);
4520	+	for (int i = 0; i < n; i++) {
4521	+	head.thenRun(() -> count.getAndIncrement());
4522	+	head.thenAccept(x -> count.getAndIncrement());
4523	+	head.thenApply(x -> count.getAndIncrement());
4524	+
4525	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4526	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4527	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4528	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4529	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4530	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4531	+
4532	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4533	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4534	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4535	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4536	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4537	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4538	+	}
4539	+	head.complete(null);
4540	+	mustEqual(5 * 3 * n, count.get());
4541	+	}
4542	+
4543	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4544	+	@SuppressWarnings("FutureReturnValueIgnored")
4545	+	public void testCoCompletionGarbageRetention() throws Throwable {
4546	+	final int n = expensiveTests ? 1_000_000 : 10;
4547	+	final CompletableFuture<Item> incomplete = new CompletableFuture<>();
4548	+	CompletableFuture<Item> f;
4549	+	for (int i = 0; i < n; i++) {
4550	+	f = new CompletableFuture<>();
4551	+	f.runAfterEither(incomplete, () -> {});
4552	+	f.complete(null);
4553	+
4554	+	f = new CompletableFuture<>();
4555	+	f.acceptEither(incomplete, x -> {});
4556	+	f.complete(null);
4557	+
4558	+	f = new CompletableFuture<>();
4559	+	f.applyToEither(incomplete, x -> x);
4560	+	f.complete(null);
4561	+
4562	+	f = new CompletableFuture<>();
4563	+	CompletableFuture.anyOf(f, incomplete);
4564	+	f.complete(null);
4565	+	}
4566	+
4567	+	for (int i = 0; i < n; i++) {
4568	+	f = new CompletableFuture<>();
4569	+	incomplete.runAfterEither(f, () -> {});
4570	+	f.complete(null);
4571	+
4572	+	f = new CompletableFuture<>();
4573	+	incomplete.acceptEither(f, x -> {});
4574	+	f.complete(null);
4575	+
4576	+	f = new CompletableFuture<>();
4577	+	incomplete.applyToEither(f, x -> x);
4578	+	f.complete(null);
4579	+
4580	+	f = new CompletableFuture<>();
4581	+	CompletableFuture.anyOf(incomplete, f);
4582	+	f.complete(null);
4583	+	}
4584	+	}
4585	+
4586	+	/**
4587	+	* Reproduction recipe for:
4588	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4589	+	* 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
4590	+	*/
4591	+	public void testAnyOfGarbageRetention() throws Throwable {
4592	+	for (Item v : new Item[] { one, null })
4593	+	{
4594	+	final int n = expensiveTests ? 100_000 : 10;
4595	+	@SuppressWarnings("unchecked")
4596	+	CompletableFuture<Item>[] fs =
4597	+	(CompletableFuture<Item>[])new CompletableFuture[100];
4598	+	for (int i = 0; i < fs.length; i++)
4599	+	fs[i] = new CompletableFuture<>();
4600	+	fs[fs.length - 1].complete(v);
4601	+	for (int i = 0; i < n; i++)
4602	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4603	+	}}
4604	+
4605	+	/**
4606	+	* Checks for garbage retention with allOf.
4607	+	*
4608	+	* As of 2016-07, fails with OOME:
4609	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4610	+	*/
4611	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4612	+	final int n = expensiveTests ? 100_000 : 10;
4613	+	@SuppressWarnings("unchecked")
4614	+	CompletableFuture<Item>[] fs
4615	+	= (CompletableFuture<Item>[]) new CompletableFuture<?>[100];
4616	+	for (int i = 0; i < fs.length; i++)
4617	+	fs[i] = new CompletableFuture<>();
4618	+	for (int i = 0; i < n; i++)
4619	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4620	+	}
4621	+
4622	+	/**
4623	+	* Checks for garbage retention when a dependent future is
4624	+	* cancelled and garbage-collected.
4625	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4626	+	*
4627	+	* As of 2016-07, fails with OOME:
4628	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4629	+	*/
4630	+	public void testCancelledGarbageRetention() throws Throwable {
4631	+	final int n = expensiveTests ? 100_000 : 10;
4632	+	CompletableFuture<Item> neverCompleted = new CompletableFuture<>();
4633	+	for (int i = 0; i < n; i++)
4634	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4635	+	}
4636	+
4637	+	/**
4638	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4639	+	* is invoked many times.
4640	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4641	+	*
4642	+	* As of 2016-07, fails with OOME:
4643	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4644	+	*/
4645	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4646	+	final int n = expensiveTests ? 900_000 : 10;
4647	+	CompletableFuture<Item> neverCompleted = new CompletableFuture<>();
4648	+	CompletionStage<Item> minimal = neverCompleted.minimalCompletionStage();
4649	+	for (int i = 0; i < n; i++)
4650	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4651	+	}
4652	+
4653	+	//     static <U> U join(CompletionStage<U> stage) {
4654	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4655	+	//         stage.whenComplete((v, ex) -> {
4656	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4657	+	//         });
4658	+	//         return f.join();
4659	+	//     }
4660	+
4661	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4662	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4663	+	//         stage.whenComplete((v, ex) -> {
4664	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4665	+	//         });
4666	+	//         return f.isDone();
4667	+	//     }
4668	+
4669	+	//     static <U> U join2(CompletionStage<U> stage) {
4670	+	//         return stage.toCompletableFuture().copy().join();
4671	+	//     }
4672	+
4673	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4674	+	//         return stage.toCompletableFuture().copy().isDone();
4675	+	//     }
4676	+
4677	+	// For testing default implementations
4678	+	// Only non-default interface methods defined.
4679	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4680	+	final CompletableFuture<T> cf;
4681	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4682	+	public CompletableFuture<T> toCompletableFuture() {
4683	+	return cf; }
4684	+	public CompletionStage<Void> thenRun
4685	+	(Runnable action) {
4686	+	return cf.thenRun(action); }
4687	+	public CompletionStage<Void> thenRunAsync
4688	+	(Runnable action) {
4689	+	return cf.thenRunAsync(action); }
4690	+	public CompletionStage<Void> thenRunAsync
4691	+	(Runnable action,
4692	+	Executor executor) {
4693	+	return cf.thenRunAsync(action, executor); }
4694	+	public CompletionStage<Void> thenAccept
4695	+	(Consumer<? super T> action) {
4696	+	return cf.thenAccept(action); }
4697	+	public CompletionStage<Void> thenAcceptAsync
4698	+	(Consumer<? super T> action) {
4699	+	return cf.thenAcceptAsync(action); }
4700	+	public CompletionStage<Void> thenAcceptAsync
4701	+	(Consumer<? super T> action,
4702	+	Executor executor) {
4703	+	return cf.thenAcceptAsync(action, executor); }
4704	+	public <U> CompletionStage<U> thenApply
4705	+	(Function<? super T,? extends U> a) {
4706	+	return cf.thenApply(a); }
4707	+	public <U> CompletionStage<U> thenApplyAsync
4708	+	(Function<? super T,? extends U> fn) {
4709	+	return cf.thenApplyAsync(fn); }
4710	+	public <U> CompletionStage<U> thenApplyAsync
4711	+	(Function<? super T,? extends U> fn,
4712	+	Executor executor) {
4713	+	return cf.thenApplyAsync(fn, executor); }
4714	+	public <U,V> CompletionStage<V> thenCombine
4715	+	(CompletionStage<? extends U> other,
4716	+	BiFunction<? super T,? super U,? extends V> fn) {
4717	+	return cf.thenCombine(other, fn); }
4718	+	public <U,V> CompletionStage<V> thenCombineAsync
4719	+	(CompletionStage<? extends U> other,
4720	+	BiFunction<? super T,? super U,? extends V> fn) {
4721	+	return cf.thenCombineAsync(other, fn); }
4722	+	public <U,V> CompletionStage<V> thenCombineAsync
4723	+	(CompletionStage<? extends U> other,
4724	+	BiFunction<? super T,? super U,? extends V> fn,
4725	+	Executor executor) {
4726	+	return cf.thenCombineAsync(other, fn, executor); }
4727	+	public <U> CompletionStage<Void> thenAcceptBoth
4728	+	(CompletionStage<? extends U> other,
4729	+	BiConsumer<? super T, ? super U> action) {
4730	+	return cf.thenAcceptBoth(other, action); }
4731	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4732	+	(CompletionStage<? extends U> other,
4733	+	BiConsumer<? super T, ? super U> action) {
4734	+	return cf.thenAcceptBothAsync(other, action); }
4735	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4736	+	(CompletionStage<? extends U> other,
4737	+	BiConsumer<? super T, ? super U> action,
4738	+	Executor executor) {
4739	+	return cf.thenAcceptBothAsync(other, action, executor); }
4740	+	public CompletionStage<Void> runAfterBoth
4741	+	(CompletionStage<?> other,
4742	+	Runnable action) {
4743	+	return cf.runAfterBoth(other, action); }
4744	+	public CompletionStage<Void> runAfterBothAsync
4745	+	(CompletionStage<?> other,
4746	+	Runnable action) {
4747	+	return cf.runAfterBothAsync(other, action); }
4748	+	public CompletionStage<Void> runAfterBothAsync
4749	+	(CompletionStage<?> other,
4750	+	Runnable action,
4751	+	Executor executor) {
4752	+	return cf.runAfterBothAsync(other, action, executor); }
4753	+	public <U> CompletionStage<U> applyToEither
4754	+	(CompletionStage<? extends T> other,
4755	+	Function<? super T, U> fn) {
4756	+	return cf.applyToEither(other, fn); }
4757	+	public <U> CompletionStage<U> applyToEitherAsync
4758	+	(CompletionStage<? extends T> other,
4759	+	Function<? super T, U> fn) {
4760	+	return cf.applyToEitherAsync(other, fn); }
4761	+	public <U> CompletionStage<U> applyToEitherAsync
4762	+	(CompletionStage<? extends T> other,
4763	+	Function<? super T, U> fn,
4764	+	Executor executor) {
4765	+	return cf.applyToEitherAsync(other, fn, executor); }
4766	+	public CompletionStage<Void> acceptEither
4767	+	(CompletionStage<? extends T> other,
4768	+	Consumer<? super T> action) {
4769	+	return cf.acceptEither(other, action); }
4770	+	public CompletionStage<Void> acceptEitherAsync
4771	+	(CompletionStage<? extends T> other,
4772	+	Consumer<? super T> action) {
4773	+	return cf.acceptEitherAsync(other, action); }
4774	+	public CompletionStage<Void> acceptEitherAsync
4775	+	(CompletionStage<? extends T> other,
4776	+	Consumer<? super T> action,
4777	+	Executor executor) {
4778	+	return cf.acceptEitherAsync(other, action, executor); }
4779	+	public CompletionStage<Void> runAfterEither
4780	+	(CompletionStage<?> other,
4781	+	Runnable action) {
4782	+	return cf.runAfterEither(other, action); }
4783	+	public CompletionStage<Void> runAfterEitherAsync
4784	+	(CompletionStage<?> other,
4785	+	Runnable action) {
4786	+	return cf.runAfterEitherAsync(other, action); }
4787	+	public CompletionStage<Void> runAfterEitherAsync
4788	+	(CompletionStage<?> other,
4789	+	Runnable action,
4790	+	Executor executor) {
4791	+	return cf.runAfterEitherAsync(other, action, executor); }
4792	+	public <U> CompletionStage<U> thenCompose
4793	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4794	+	return cf.thenCompose(fn); }
4795	+	public <U> CompletionStage<U> thenComposeAsync
4796	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4797	+	return cf.thenComposeAsync(fn); }
4798	+	public <U> CompletionStage<U> thenComposeAsync
4799	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4800	+	Executor executor) {
4801	+	return cf.thenComposeAsync(fn, executor); }
4802	+	public <U> CompletionStage<U> handle
4803	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4804	+	return cf.handle(fn); }
4805	+	public <U> CompletionStage<U> handleAsync
4806	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4807	+	return cf.handleAsync(fn); }
4808	+	public <U> CompletionStage<U> handleAsync
4809	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4810	+	Executor executor) {
4811	+	return cf.handleAsync(fn, executor); }
4812	+	public CompletionStage<T> whenComplete
4813	+	(BiConsumer<? super T, ? super Throwable> action) {
4814	+	return cf.whenComplete(action); }
4815	+	public CompletionStage<T> whenCompleteAsync
4816	+	(BiConsumer<? super T, ? super Throwable> action) {
4817	+	return cf.whenCompleteAsync(action); }
4818	+	public CompletionStage<T> whenCompleteAsync
4819	+	(BiConsumer<? super T, ? super Throwable> action,
4820	+	Executor executor) {
4821	+	return cf.whenCompleteAsync(action, executor); }
4822	+	public CompletionStage<T> exceptionally
4823	+	(Function<Throwable, ? extends T> fn) {
4824	+	return cf.exceptionally(fn); }
4825	+	}
4826	+
4827	+	/**
4828	+	* default-implemented exceptionallyAsync action is not invoked when
4829	+	* source completes normally, and source result is propagated
4830	+	*/
4831	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4832	+	for (boolean createIncomplete : new boolean[] { true, false })
4833	+	for (Item v1 : new Item[] { one, null })
4834	+	{
4835	+	final AtomicInteger ran = new AtomicInteger(0);
4836	+	final CompletableFuture<Item> f = new CompletableFuture<>();
4837	+	final DelegatedCompletionStage<Item> d =
4838	+	new DelegatedCompletionStage<Item>(f);
4839	+	if (!createIncomplete) assertTrue(f.complete(v1));
4840	+	final CompletionStage<Item> g = d.exceptionallyAsync
4841	+	((Throwable t) -> {
4842	+	ran.getAndIncrement();
4843	+	throw new AssertionError("should not be called");
4844	+	});
4845	+	if (createIncomplete) assertTrue(f.complete(v1));
4846	+
4847	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4848	+	checkCompletedNormally(f, v1);
4849	+	mustEqual(0, ran.get());
4850	+	}}
4851	+
4852	+	/**
4853	+	* default-implemented exceptionallyAsync action completes with
4854	+	* function value on source exception
4855	+	*/
4856	+	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4857	+	for (boolean createIncomplete : new boolean[] { true, false })
4858	+	for (Item v1 : new Item[] { one, null })
4859	+	{
4860	+	final AtomicInteger ran = new AtomicInteger(0);
4861	+	final CFException ex = new CFException();
4862	+	final CompletableFuture<Item> f = new CompletableFuture<>();
4863	+	final DelegatedCompletionStage<Item> d =
4864	+	new DelegatedCompletionStage<Item>(f);
4865	+	if (!createIncomplete) f.completeExceptionally(ex);
4866	+	final CompletionStage<Item> g = d.exceptionallyAsync
4867	+	((Throwable t) -> {
4868	+	assertSame(t, ex);
4869	+	ran.getAndIncrement();
4870	+	return v1;
4871	+	});
4872	+	if (createIncomplete) f.completeExceptionally(ex);
4873	+
4874	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4875	+	checkCompletedExceptionally(f, ex);
4876	+	mustEqual(1, ran.get());
4877	+	}}
4878	+
4879	+	/**
4880	+	* Under default implementation, if an "exceptionally action"
4881	+	* throws an exception, it completes exceptionally with that
4882	+	* exception
4883	+	*/
4884	+	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4885	+	for (boolean createIncomplete : new boolean[] { true, false })
4886	+	{
4887	+	final AtomicInteger ran = new AtomicInteger(0);
4888	+	final CFException ex1 = new CFException();
4889	+	final CFException ex2 = new CFException();
4890	+	final CompletableFuture<Item> f = new CompletableFuture<>();
4891	+	final DelegatedCompletionStage<Item> d =
4892	+	new DelegatedCompletionStage<Item>(f);
4893	+	if (!createIncomplete) f.completeExceptionally(ex1);
4894	+	final CompletionStage<Item> g = d.exceptionallyAsync
4895	+	((Throwable t) -> {
4896	+	assertSame(t, ex1);
4897	+	ran.getAndIncrement();
4898	+	throw ex2;
4899	+	});
4900	+	if (createIncomplete) f.completeExceptionally(ex1);
4901	+
4902	+	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4903	+	checkCompletedExceptionally(f, ex1);
4904	+	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4905	+	mustEqual(1, ran.get());
4906	+	}}
4907	+
4908	+	/**
4909	+	* default-implemented exceptionallyCompose result completes
4910	+	* normally after normal completion of source
4911	+	*/
4912	+	public void testDefaultExceptionallyCompose_normalCompletion() {
4913	+	for (boolean createIncomplete : new boolean[] { true, false })
4914	+	for (Item v1 : new Item[] { one, null })
4915	+	{
4916	+	final CompletableFuture<Item> f = new CompletableFuture<>();
4917	+	final ExceptionalCompletableFutureFunction r =
4918	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4919	+	final DelegatedCompletionStage<Item> d =
4920	+	new DelegatedCompletionStage<Item>(f);
4921	+	if (!createIncomplete) assertTrue(f.complete(v1));
4922	+	final CompletionStage<Item> g = d.exceptionallyCompose(r);
4923	+	if (createIncomplete) assertTrue(f.complete(v1));
4924	+
4925	+	checkCompletedNormally(f, v1);
4926	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4927	+	r.assertNotInvoked();
4928	+	}}
4929	+
4930	+	/**
4931	+	* default-implemented exceptionallyCompose result completes
4932	+	* normally after exceptional completion of source
4933	+	*/
4934	+	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4935	+	for (boolean createIncomplete : new boolean[] { true, false })
4936	+	{
4937	+	final CFException ex = new CFException();
4938	+	final ExceptionalCompletableFutureFunction r =
4939	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4940	+	final CompletableFuture<Item> f = new CompletableFuture<>();
4941	+	final DelegatedCompletionStage<Item> d =
4942	+	new DelegatedCompletionStage<Item>(f);
4943	+	if (!createIncomplete) f.completeExceptionally(ex);
4944	+	final CompletionStage<Item> g = d.exceptionallyCompose(r);
4945	+	if (createIncomplete) f.completeExceptionally(ex);
4946	+
4947	+	checkCompletedExceptionally(f, ex);
4948	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4949	+	r.assertInvoked();
4950	+	}}
4951	+
4952	+	/**
4953	+	* default-implemented exceptionallyCompose completes
4954	+	* exceptionally on exception if action does
4955	+	*/
4956	+	public void testDefaultExceptionallyCompose_actionFailed() {
4957	+	for (boolean createIncomplete : new boolean[] { true, false })
4958	+	{
4959	+	final CFException ex = new CFException();
4960	+	final CompletableFuture<Item> f = new CompletableFuture<>();
4961	+	final FailingExceptionalCompletableFutureFunction r
4962	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4963	+	final DelegatedCompletionStage<Item> d =
4964	+	new DelegatedCompletionStage<Item>(f);
4965	+	if (!createIncomplete) f.completeExceptionally(ex);
4966	+	final CompletionStage<Item> g = d.exceptionallyCompose(r);
4967	+	if (createIncomplete) f.completeExceptionally(ex);
4968	+
4969	+	checkCompletedExceptionally(f, ex);
4970	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4971	+	r.assertInvoked();
4972	+	}}
4973	+
4974	+	/**
4975	+	* default-implemented exceptionallyComposeAsync result completes
4976	+	* normally after normal completion of source
4977	+	*/
4978	+	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4979	+	for (boolean createIncomplete : new boolean[] { true, false })
4980	+	for (Item v1 : new Item[] { one, null })
4981	+	{
4982	+	final CompletableFuture<Item> f = new CompletableFuture<>();
4983	+	final ExceptionalCompletableFutureFunction r =
4984	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4985	+	final DelegatedCompletionStage<Item> d =
4986	+	new DelegatedCompletionStage<Item>(f);
4987	+	if (!createIncomplete) assertTrue(f.complete(v1));
4988	+	final CompletionStage<Item> g = d.exceptionallyComposeAsync(r);
4989	+	if (createIncomplete) assertTrue(f.complete(v1));
4990	+
4991	+	checkCompletedNormally(f, v1);
4992	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4993	+	r.assertNotInvoked();
4994	+	}}
4995	+
4996	+	/**
4997	+	* default-implemented exceptionallyComposeAsync result completes
4998	+	* normally after exceptional completion of source
4999	+	*/
5000	+	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
5001	+	for (boolean createIncomplete : new boolean[] { true, false })
5002	+	{
5003	+	final CFException ex = new CFException();
5004	+	final ExceptionalCompletableFutureFunction r =
5005	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5006	+	final CompletableFuture<Item> f = new CompletableFuture<>();
5007	+	final DelegatedCompletionStage<Item> d =
5008	+	new DelegatedCompletionStage<Item>(f);
5009	+	if (!createIncomplete) f.completeExceptionally(ex);
5010	+	final CompletionStage<Item> g = d.exceptionallyComposeAsync(r);
5011	+	if (createIncomplete) f.completeExceptionally(ex);
5012	+
5013	+	checkCompletedExceptionally(f, ex);
5014	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5015	+	r.assertInvoked();
5016	+	}}
5017	+
5018	+	/**
5019	+	* default-implemented exceptionallyComposeAsync completes
5020	+	* exceptionally on exception if action does
5021	+	*/
5022	+	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5023	+	for (boolean createIncomplete : new boolean[] { true, false })
5024	+	{
5025	+	final CFException ex = new CFException();
5026	+	final CompletableFuture<Item> f = new CompletableFuture<>();
5027	+	final FailingExceptionalCompletableFutureFunction r
5028	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5029	+	final DelegatedCompletionStage<Item> d =
5030	+	new DelegatedCompletionStage<Item>(f);
5031	+	if (!createIncomplete) f.completeExceptionally(ex);
5032	+	final CompletionStage<Item> g = d.exceptionallyComposeAsync(r);
5033	+	if (createIncomplete) f.completeExceptionally(ex);
5034	+
5035	+	checkCompletedExceptionally(f, ex);
5036	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5037	+	r.assertInvoked();
5038	+	}}
5039	+
5040	+	/**
5041	+	* default-implemented exceptionallyComposeAsync result completes
5042	+	* normally after normal completion of source
5043	+	*/
5044	+	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5045	+	for (boolean createIncomplete : new boolean[] { true, false })
5046	+	for (Item v1 : new Item[] { one, null })
5047	+	{
5048	+	final CompletableFuture<Item> f = new CompletableFuture<>();
5049	+	final ExceptionalCompletableFutureFunction r =
5050	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5051	+	final DelegatedCompletionStage<Item> d =
5052	+	new DelegatedCompletionStage<Item>(f);
5053	+	if (!createIncomplete) assertTrue(f.complete(v1));
5054	+	final CompletionStage<Item> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5055	+	if (createIncomplete) assertTrue(f.complete(v1));
5056	+
5057	+	checkCompletedNormally(f, v1);
5058	+	checkCompletedNormally(g.toCompletableFuture(), v1);
5059	+	r.assertNotInvoked();
5060	+	}}
5061	+
5062	+	/**
5063	+	* default-implemented exceptionallyComposeAsync result completes
5064	+	* normally after exceptional completion of source
5065	+	*/
5066	+	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5067	+	for (boolean createIncomplete : new boolean[] { true, false })
5068	+	{
5069	+	final CFException ex = new CFException();
5070	+	final ExceptionalCompletableFutureFunction r =
5071	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5072	+	final CompletableFuture<Item> f = new CompletableFuture<>();
5073	+	final DelegatedCompletionStage<Item> d =
5074	+	new DelegatedCompletionStage<Item>(f);
5075	+	if (!createIncomplete) f.completeExceptionally(ex);
5076	+	final CompletionStage<Item> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5077	+	if (createIncomplete) f.completeExceptionally(ex);
5078	+
5079	+	checkCompletedExceptionally(f, ex);
5080	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5081	+	r.assertInvoked();
5082	+	}}
5083	+
5084	+	/**
5085	+	* default-implemented exceptionallyComposeAsync completes
5086	+	* exceptionally on exception if action does
5087	+	*/
5088	+	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5089	+	for (boolean createIncomplete : new boolean[] { true, false })
5090	+	{
5091	+	final CFException ex = new CFException();
5092	+	final CompletableFuture<Item> f = new CompletableFuture<>();
5093	+	final FailingExceptionalCompletableFutureFunction r
5094	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5095	+	final DelegatedCompletionStage<Item> d =
5096	+	new DelegatedCompletionStage<Item>(f);
5097	+	if (!createIncomplete) f.completeExceptionally(ex);
5098	+	final CompletionStage<Item> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5099	+	if (createIncomplete) f.completeExceptionally(ex);
5100	+
5101	+	checkCompletedExceptionally(f, ex);
5102	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5103	+	r.assertInvoked();
5104	+	}}
5105	+
5106		}

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