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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.2 by jsr166, Wed Feb 6 20:29:55 2013 UTC vs.
Revision 1.46 by jsr166, Mon Jun 2 17:41:22 2014 UTC

# Line 1 | Line 1
1   /*
2 < * Written by Doug Lea with assistance from members of JCP JSR-166
3 < * Expert Group and released to the public domain, as explained at
2 > * Written by Doug Lea and Martin Buchholz with assistance from
3 > * members of JCP JSR-166 Expert Group and released to the public
4 > * domain, as explained at
5   * http://creativecommons.org/publicdomain/zero/1.0/
5 * Other contributors include Andrew Wright, Jeffrey Hayes,
6 * Pat Fisher, Mike Judd.
6   */
7  
8   import junit.framework.*;
9   import java.util.concurrent.Callable;
10 + import java.util.concurrent.Executor;
11 + import java.util.concurrent.ExecutorService;
12 + import java.util.concurrent.Executors;
13   import java.util.concurrent.CancellationException;
14   import java.util.concurrent.CountDownLatch;
15   import java.util.concurrent.ExecutionException;
16   import java.util.concurrent.Future;
17   import java.util.concurrent.CompletableFuture;
18 + import java.util.concurrent.CompletionException;
19 + import java.util.concurrent.CompletionStage;
20   import java.util.concurrent.TimeoutException;
21   import java.util.concurrent.atomic.AtomicInteger;
22   import static java.util.concurrent.TimeUnit.MILLISECONDS;
23   import static java.util.concurrent.TimeUnit.SECONDS;
24   import java.util.*;
25 + import java.util.function.Supplier;
26 + import java.util.function.Consumer;
27 + import java.util.function.BiConsumer;
28 + import java.util.function.Function;
29 + import java.util.function.BiFunction;
30  
31   public class CompletableFutureTest extends JSR166TestCase {
32  
# Line 28 | Line 37 | public class CompletableFutureTest exten
37          return new TestSuite(CompletableFutureTest.class);
38      }
39  
40 +    static class CFException extends RuntimeException {}
41 +
42 +    void checkIncomplete(CompletableFuture<?> f) {
43 +        assertFalse(f.isDone());
44 +        assertFalse(f.isCancelled());
45 +        assertTrue(f.toString().contains("[Not completed]"));
46 +        try {
47 +            assertNull(f.getNow(null));
48 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
49 +        try {
50 +            f.get(0L, SECONDS);
51 +            shouldThrow();
52 +        }
53 +        catch (TimeoutException success) {}
54 +        catch (Throwable fail) { threadUnexpectedException(fail); }
55 +    }
56 +
57 +    <T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
58 +        try {
59 +            assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
60 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
61 +        try {
62 +            assertEquals(value, f.join());
63 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
64 +        try {
65 +            assertEquals(value, f.getNow(null));
66 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
67 +        try {
68 +            assertEquals(value, f.get());
69 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
70 +        assertTrue(f.isDone());
71 +        assertFalse(f.isCancelled());
72 +        assertFalse(f.isCompletedExceptionally());
73 +        assertTrue(f.toString().contains("[Completed normally]"));
74 +    }
75 +
76 +    void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
77 +        try {
78 +            f.get(LONG_DELAY_MS, MILLISECONDS);
79 +            shouldThrow();
80 +        } catch (ExecutionException success) {
81 +            assertTrue(success.getCause() instanceof CFException);
82 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
83 +        try {
84 +            f.join();
85 +            shouldThrow();
86 +        } catch (CompletionException success) {
87 +            assertTrue(success.getCause() instanceof CFException);
88 +        }
89 +        try {
90 +            f.getNow(null);
91 +            shouldThrow();
92 +        } catch (CompletionException success) {
93 +            assertTrue(success.getCause() instanceof CFException);
94 +        }
95 +        try {
96 +            f.get();
97 +            shouldThrow();
98 +        } catch (ExecutionException success) {
99 +            assertTrue(success.getCause() instanceof CFException);
100 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
101 +        assertTrue(f.isDone());
102 +        assertFalse(f.isCancelled());
103 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
104 +    }
105 +
106 +    void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107 +                                              CFException ex) {
108 +        try {
109 +            f.get(LONG_DELAY_MS, MILLISECONDS);
110 +            shouldThrow();
111 +        } catch (ExecutionException success) {
112 +            assertSame(ex, success.getCause());
113 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
114 +        try {
115 +            f.join();
116 +            shouldThrow();
117 +        } catch (CompletionException success) {
118 +            assertSame(ex, success.getCause());
119 +        }
120 +        try {
121 +            f.getNow(null);
122 +            shouldThrow();
123 +        } catch (CompletionException success) {
124 +            assertSame(ex, success.getCause());
125 +        }
126 +        try {
127 +            f.get();
128 +            shouldThrow();
129 +        } catch (ExecutionException success) {
130 +            assertSame(ex, success.getCause());
131 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
132 +        assertTrue(f.isDone());
133 +        assertFalse(f.isCancelled());
134 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
135 +    }
136 +
137 +    void checkCancelled(CompletableFuture<?> f) {
138 +        try {
139 +            f.get(LONG_DELAY_MS, MILLISECONDS);
140 +            shouldThrow();
141 +        } catch (CancellationException success) {
142 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
143 +        try {
144 +            f.join();
145 +            shouldThrow();
146 +        } catch (CancellationException success) {}
147 +        try {
148 +            f.getNow(null);
149 +            shouldThrow();
150 +        } catch (CancellationException success) {}
151 +        try {
152 +            f.get();
153 +            shouldThrow();
154 +        } catch (CancellationException success) {
155 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
156 +        assertTrue(f.isDone());
157 +        assertTrue(f.isCompletedExceptionally());
158 +        assertTrue(f.isCancelled());
159 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
160 +    }
161 +
162 +    void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
163 +        try {
164 +            f.get(LONG_DELAY_MS, MILLISECONDS);
165 +            shouldThrow();
166 +        } catch (ExecutionException success) {
167 +            assertTrue(success.getCause() instanceof CancellationException);
168 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
169 +        try {
170 +            f.join();
171 +            shouldThrow();
172 +        } catch (CompletionException success) {
173 +            assertTrue(success.getCause() instanceof CancellationException);
174 +        }
175 +        try {
176 +            f.getNow(null);
177 +            shouldThrow();
178 +        } catch (CompletionException success) {
179 +            assertTrue(success.getCause() instanceof CancellationException);
180 +        }
181 +        try {
182 +            f.get();
183 +            shouldThrow();
184 +        } catch (ExecutionException success) {
185 +            assertTrue(success.getCause() instanceof CancellationException);
186 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
187 +        assertTrue(f.isDone());
188 +        assertFalse(f.isCancelled());
189 +        assertTrue(f.isCompletedExceptionally());
190 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
191 +    }
192 +
193 +    /**
194 +     * A newly constructed CompletableFuture is incomplete, as indicated
195 +     * by methods isDone, isCancelled, and getNow
196 +     */
197 +    public void testConstructor() {
198 +        CompletableFuture<Integer> f = new CompletableFuture<>();
199 +        checkIncomplete(f);
200 +    }
201 +
202 +    /**
203 +     * complete completes normally, as indicated by methods isDone,
204 +     * isCancelled, join, get, and getNow
205 +     */
206 +    public void testComplete() {
207 +        CompletableFuture<Integer> f = new CompletableFuture<>();
208 +        checkIncomplete(f);
209 +        f.complete(one);
210 +        checkCompletedNormally(f, one);
211 +    }
212 +
213 +    /**
214 +     * completeExceptionally completes exceptionally, as indicated by
215 +     * methods isDone, isCancelled, join, get, and getNow
216 +     */
217 +    public void testCompleteExceptionally() {
218 +        CompletableFuture<Integer> f = new CompletableFuture<>();
219 +        checkIncomplete(f);
220 +        f.completeExceptionally(new CFException());
221 +        checkCompletedWithWrappedCFException(f);
222 +    }
223 +
224 +    /**
225 +     * cancel completes exceptionally and reports cancelled, as indicated by
226 +     * methods isDone, isCancelled, join, get, and getNow
227 +     */
228 +    public void testCancel() {
229 +        CompletableFuture<Integer> f = new CompletableFuture<>();
230 +        checkIncomplete(f);
231 +        assertTrue(f.cancel(true));
232 +        checkCancelled(f);
233 +    }
234 +
235 +    /**
236 +     * obtrudeValue forces completion with given value
237 +     */
238 +    public void testObtrudeValue() {
239 +        CompletableFuture<Integer> f = new CompletableFuture<>();
240 +        checkIncomplete(f);
241 +        f.complete(one);
242 +        checkCompletedNormally(f, one);
243 +        f.obtrudeValue(three);
244 +        checkCompletedNormally(f, three);
245 +        f.obtrudeValue(two);
246 +        checkCompletedNormally(f, two);
247 +        f = new CompletableFuture<>();
248 +        f.obtrudeValue(three);
249 +        checkCompletedNormally(f, three);
250 +        f.obtrudeValue(null);
251 +        checkCompletedNormally(f, null);
252 +        f = new CompletableFuture<>();
253 +        f.completeExceptionally(new CFException());
254 +        f.obtrudeValue(four);
255 +        checkCompletedNormally(f, four);
256 +    }
257 +
258 +    /**
259 +     * obtrudeException forces completion with given exception
260 +     */
261 +    public void testObtrudeException() {
262 +        CompletableFuture<Integer> f = new CompletableFuture<>();
263 +        checkIncomplete(f);
264 +        f.complete(one);
265 +        checkCompletedNormally(f, one);
266 +        f.obtrudeException(new CFException());
267 +        checkCompletedWithWrappedCFException(f);
268 +        f = new CompletableFuture<>();
269 +        f.obtrudeException(new CFException());
270 +        checkCompletedWithWrappedCFException(f);
271 +        f = new CompletableFuture<>();
272 +        f.completeExceptionally(new CFException());
273 +        f.obtrudeValue(four);
274 +        checkCompletedNormally(f, four);
275 +        f.obtrudeException(new CFException());
276 +        checkCompletedWithWrappedCFException(f);
277 +    }
278 +
279 +    /**
280 +     * getNumberOfDependents returns number of dependent tasks
281 +     */
282 +    public void testGetNumberOfDependents() {
283 +        CompletableFuture<Integer> f = new CompletableFuture<>();
284 +        assertEquals(0, f.getNumberOfDependents());
285 +        CompletableFuture g = f.thenRun(new Noop());
286 +        assertEquals(1, f.getNumberOfDependents());
287 +        assertEquals(0, g.getNumberOfDependents());
288 +        CompletableFuture h = f.thenRun(new Noop());
289 +        assertEquals(2, f.getNumberOfDependents());
290 +        f.complete(1);
291 +        checkCompletedNormally(g, null);
292 +        assertEquals(0, f.getNumberOfDependents());
293 +        assertEquals(0, g.getNumberOfDependents());
294 +    }
295 +
296 +    /**
297 +     * toString indicates current completion state
298 +     */
299      public void testToString() {
300          CompletableFuture<String> f;
301  
# Line 41 | Line 309 | public class CompletableFutureTest exten
309          f.completeExceptionally(new IndexOutOfBoundsException());
310          assertTrue(f.toString().contains("[Completed exceptionally]"));
311      }
312 +
313 +    /**
314 +     * completedFuture returns a completed CompletableFuture with given value
315 +     */
316 +    public void testCompletedFuture() {
317 +        CompletableFuture<String> f = CompletableFuture.completedFuture("test");
318 +        checkCompletedNormally(f, "test");
319 +    }
320 +
321 +    // Choose non-commutative actions for better coverage
322 +
323 +    // A non-commutative function that handles and produces null values as well.
324 +    static Integer subtract(Integer x, Integer y) {
325 +        return (x == null && y == null) ? null :
326 +            ((x == null) ? 42 : x.intValue())
327 +            - ((y == null) ? 99 : y.intValue());
328 +    }
329 +
330 +    // A function that handles and produces null values as well.
331 +    static Integer inc(Integer x) {
332 +        return (x == null) ? null : x + 1;
333 +    }
334 +
335 +    static final Supplier<Integer> supplyOne =
336 +        () -> Integer.valueOf(1);
337 +    static final Function<Integer, Integer> inc =
338 +        (Integer x) -> Integer.valueOf(x.intValue() + 1);
339 +    static final BiFunction<Integer, Integer, Integer> subtract =
340 +        (Integer x, Integer y) -> subtract(x, y);
341 +    static final class IncAction implements Consumer<Integer> {
342 +        int invocationCount = 0;
343 +        Integer value;
344 +        public void accept(Integer x) {
345 +            invocationCount++;
346 +            value = inc(x);
347 +        }
348 +    }
349 +    static final class IncFunction implements Function<Integer,Integer> {
350 +        int invocationCount = 0;
351 +        Integer value;
352 +        public Integer apply(Integer x) {
353 +            invocationCount++;
354 +            return value = inc(x);
355 +        }
356 +    }
357 +    static final class SubtractAction implements BiConsumer<Integer, Integer> {
358 +        int invocationCount = 0;
359 +        Integer value;
360 +        // Check this action was invoked exactly once when result is computed.
361 +        public void accept(Integer x, Integer y) {
362 +            invocationCount++;
363 +            value = subtract(x, y);
364 +        }
365 +    }
366 +    static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
367 +        int invocationCount = 0;
368 +        Integer value;
369 +        // Check this action was invoked exactly once when result is computed.
370 +        public Integer apply(Integer x, Integer y) {
371 +            invocationCount++;
372 +            return value = subtract(x, y);
373 +        }
374 +    }
375 +    static final class Noop implements Runnable {
376 +        int invocationCount = 0;
377 +        public void run() {
378 +            invocationCount++;
379 +        }
380 +    }
381 +
382 +    static final class FailingSupplier implements Supplier<Integer> {
383 +        int invocationCount = 0;
384 +        public Integer get() {
385 +            invocationCount++;
386 +            throw new CFException();
387 +        }
388 +    }
389 +    static final class FailingConsumer implements Consumer<Integer> {
390 +        int invocationCount = 0;
391 +        public void accept(Integer x) {
392 +            invocationCount++;
393 +            throw new CFException();
394 +        }
395 +    }
396 +    static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
397 +        int invocationCount = 0;
398 +        public void accept(Integer x, Integer y) {
399 +            invocationCount++;
400 +            throw new CFException();
401 +        }
402 +    }
403 +    static final class FailingFunction implements Function<Integer, Integer> {
404 +        int invocationCount = 0;
405 +        public Integer apply(Integer x) {
406 +            invocationCount++;
407 +            throw new CFException();
408 +        }
409 +    }
410 +    static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
411 +        int invocationCount = 0;
412 +        public Integer apply(Integer x, Integer y) {
413 +            invocationCount++;
414 +            throw new CFException();
415 +        }
416 +    }
417 +    static final class FailingNoop implements Runnable {
418 +        int invocationCount = 0;
419 +        public void run() {
420 +            invocationCount++;
421 +            throw new CFException();
422 +        }
423 +    }
424 +
425 +    static final class CompletableFutureInc
426 +        implements Function<Integer, CompletableFuture<Integer>> {
427 +        int invocationCount = 0;
428 +        public CompletableFuture<Integer> apply(Integer x) {
429 +            invocationCount++;
430 +            CompletableFuture<Integer> f = new CompletableFuture<>();
431 +            f.complete(inc(x));
432 +            return f;
433 +        }
434 +    }
435 +
436 +    static final class FailingCompletableFutureFunction
437 +        implements Function<Integer, CompletableFuture<Integer>> {
438 +        int invocationCount = 0;
439 +        public CompletableFuture<Integer> apply(Integer x) {
440 +            invocationCount++;
441 +            throw new CFException();
442 +        }
443 +    }
444 +
445 +    // Used for explicit executor tests
446 +    static final class ThreadExecutor implements Executor {
447 +        AtomicInteger count = new AtomicInteger(0);
448 +
449 +        public void execute(Runnable r) {
450 +            count.getAndIncrement();
451 +            new Thread(r).start();
452 +        }
453 +    }
454 +
455 +    /**
456 +     * Permits the testing of parallel code for the 3 different
457 +     * execution modes without repeating all the testing code.
458 +     */
459 +    enum ExecutionMode {
460 +        DEFAULT {
461 +            public <T> CompletableFuture<Void> thenRun
462 +                (CompletableFuture<T> f, Runnable a) {
463 +                return f.thenRun(a);
464 +            }
465 +            public <T> CompletableFuture<Void> thenAccept
466 +                (CompletableFuture<T> f, Consumer<? super T> a) {
467 +                return f.thenAccept(a);
468 +            }
469 +            public <T,U> CompletableFuture<U> thenApply
470 +                (CompletableFuture<T> f, Function<? super T,U> a) {
471 +                return f.thenApply(a);
472 +            }
473 +            public <T,U> CompletableFuture<U> thenCompose
474 +                (CompletableFuture<T> f,
475 +                 Function<? super T,? extends CompletionStage<U>> a) {
476 +                return f.thenCompose(a);
477 +            }
478 +            public <T,U> CompletableFuture<U> handle
479 +                (CompletableFuture<T> f,
480 +                 BiFunction<? super T,Throwable,? extends U> a) {
481 +                return f.handle(a);
482 +            }
483 +            public <T> CompletableFuture<T> whenComplete
484 +                (CompletableFuture<T> f,
485 +                 BiConsumer<? super T,? super Throwable> a) {
486 +                return f.whenComplete(a);
487 +            }
488 +            public <T,U> CompletableFuture<Void> runAfterBoth
489 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
490 +                return f.runAfterBoth(g, a);
491 +            }
492 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
493 +                (CompletableFuture<T> f,
494 +                 CompletionStage<? extends U> g,
495 +                 BiConsumer<? super T,? super U> a) {
496 +                return f.thenAcceptBoth(g, a);
497 +            }
498 +            public <T,U,V> CompletableFuture<V> thenCombine
499 +                (CompletableFuture<T> f,
500 +                 CompletionStage<? extends U> g,
501 +                 BiFunction<? super T,? super U,? extends V> a) {
502 +                return f.thenCombine(g, a);
503 +            }
504 +            public <T> CompletableFuture<Void> runAfterEither
505 +                (CompletableFuture<T> f,
506 +                 CompletionStage<?> g,
507 +                 java.lang.Runnable a) {
508 +                return f.runAfterEither(g, a);
509 +            }
510 +            public <T> CompletableFuture<Void> acceptEither
511 +                (CompletableFuture<T> f,
512 +                 CompletionStage<? extends T> g,
513 +                 Consumer<? super T> a) {
514 +                return f.acceptEither(g, a);
515 +            }
516 +            public <T,U> CompletableFuture<U> applyToEither
517 +                (CompletableFuture<T> f,
518 +                 CompletionStage<? extends T> g,
519 +                 Function<? super T,U> a) {
520 +                return f.applyToEither(g, a);
521 +            }
522 +        },
523 +
524 +        DEFAULT_ASYNC {
525 +            public <T> CompletableFuture<Void> thenRun
526 +                (CompletableFuture<T> f, Runnable a) {
527 +                return f.thenRunAsync(a);
528 +            }
529 +            public <T> CompletableFuture<Void> thenAccept
530 +                (CompletableFuture<T> f, Consumer<? super T> a) {
531 +                return f.thenAcceptAsync(a);
532 +            }
533 +            public <T,U> CompletableFuture<U> thenApply
534 +                (CompletableFuture<T> f, Function<? super T,U> a) {
535 +                return f.thenApplyAsync(a);
536 +            }
537 +            public <T,U> CompletableFuture<U> thenCompose
538 +                (CompletableFuture<T> f,
539 +                 Function<? super T,? extends CompletionStage<U>> a) {
540 +                return f.thenComposeAsync(a);
541 +            }
542 +            public <T,U> CompletableFuture<U> handle
543 +                (CompletableFuture<T> f,
544 +                 BiFunction<? super T,Throwable,? extends U> a) {
545 +                return f.handleAsync(a);
546 +            }
547 +            public <T> CompletableFuture<T> whenComplete
548 +                (CompletableFuture<T> f,
549 +                 BiConsumer<? super T,? super Throwable> a) {
550 +                return f.whenCompleteAsync(a);
551 +            }
552 +            public <T,U> CompletableFuture<Void> runAfterBoth
553 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
554 +                return f.runAfterBothAsync(g, a);
555 +            }
556 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
557 +                (CompletableFuture<T> f,
558 +                 CompletionStage<? extends U> g,
559 +                 BiConsumer<? super T,? super U> a) {
560 +                return f.thenAcceptBothAsync(g, a);
561 +            }
562 +            public <T,U,V> CompletableFuture<V> thenCombine
563 +                (CompletableFuture<T> f,
564 +                 CompletionStage<? extends U> g,
565 +                 BiFunction<? super T,? super U,? extends V> a) {
566 +                return f.thenCombineAsync(g, a);
567 +            }
568 +            public <T> CompletableFuture<Void> runAfterEither
569 +                (CompletableFuture<T> f,
570 +                 CompletionStage<?> g,
571 +                 java.lang.Runnable a) {
572 +                return f.runAfterEitherAsync(g, a);
573 +            }
574 +            public <T> CompletableFuture<Void> acceptEither
575 +                (CompletableFuture<T> f,
576 +                 CompletionStage<? extends T> g,
577 +                 Consumer<? super T> a) {
578 +                return f.acceptEitherAsync(g, a);
579 +            }
580 +            public <T,U> CompletableFuture<U> applyToEither
581 +                (CompletableFuture<T> f,
582 +                 CompletionStage<? extends T> g,
583 +                 Function<? super T,U> a) {
584 +                return f.applyToEitherAsync(g, a);
585 +            }
586 +        },
587 +
588 +        EXECUTOR {
589 +            public <T> CompletableFuture<Void> thenRun
590 +                (CompletableFuture<T> f, Runnable a) {
591 +                return f.thenRunAsync(a, new ThreadExecutor());
592 +            }
593 +            public <T> CompletableFuture<Void> thenAccept
594 +                (CompletableFuture<T> f, Consumer<? super T> a) {
595 +                return f.thenAcceptAsync(a, new ThreadExecutor());
596 +            }
597 +            public <T,U> CompletableFuture<U> thenApply
598 +                (CompletableFuture<T> f, Function<? super T,U> a) {
599 +                return f.thenApplyAsync(a, new ThreadExecutor());
600 +            }
601 +            public <T,U> CompletableFuture<U> thenCompose
602 +                (CompletableFuture<T> f,
603 +                 Function<? super T,? extends CompletionStage<U>> a) {
604 +                return f.thenComposeAsync(a, new ThreadExecutor());
605 +            }
606 +            public <T,U> CompletableFuture<U> handle
607 +                (CompletableFuture<T> f,
608 +                 BiFunction<? super T,Throwable,? extends U> a) {
609 +                return f.handleAsync(a, new ThreadExecutor());
610 +            }
611 +            public <T> CompletableFuture<T> whenComplete
612 +                (CompletableFuture<T> f,
613 +                 BiConsumer<? super T,? super Throwable> a) {
614 +                return f.whenCompleteAsync(a, new ThreadExecutor());
615 +            }
616 +            public <T,U> CompletableFuture<Void> runAfterBoth
617 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
618 +                return f.runAfterBothAsync(g, a, new ThreadExecutor());
619 +            }
620 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
621 +                (CompletableFuture<T> f,
622 +                 CompletionStage<? extends U> g,
623 +                 BiConsumer<? super T,? super U> a) {
624 +                return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
625 +            }
626 +            public <T,U,V> CompletableFuture<V> thenCombine
627 +                (CompletableFuture<T> f,
628 +                 CompletionStage<? extends U> g,
629 +                 BiFunction<? super T,? super U,? extends V> a) {
630 +                return f.thenCombineAsync(g, a, new ThreadExecutor());
631 +            }
632 +            public <T> CompletableFuture<Void> runAfterEither
633 +                (CompletableFuture<T> f,
634 +                 CompletionStage<?> g,
635 +                 java.lang.Runnable a) {
636 +                return f.runAfterEitherAsync(g, a, new ThreadExecutor());
637 +            }
638 +            public <T> CompletableFuture<Void> acceptEither
639 +                (CompletableFuture<T> f,
640 +                 CompletionStage<? extends T> g,
641 +                 Consumer<? super T> a) {
642 +                return f.acceptEitherAsync(g, a, new ThreadExecutor());
643 +            }
644 +            public <T,U> CompletableFuture<U> applyToEither
645 +                (CompletableFuture<T> f,
646 +                 CompletionStage<? extends T> g,
647 +                 Function<? super T,U> a) {
648 +                return f.applyToEitherAsync(g, a, new ThreadExecutor());
649 +            }
650 +        };
651 +
652 +        public abstract <T> CompletableFuture<Void> thenRun
653 +            (CompletableFuture<T> f, Runnable a);
654 +        public abstract <T> CompletableFuture<Void> thenAccept
655 +            (CompletableFuture<T> f, Consumer<? super T> a);
656 +        public abstract <T,U> CompletableFuture<U> thenApply
657 +            (CompletableFuture<T> f, Function<? super T,U> a);
658 +        public abstract <T,U> CompletableFuture<U> thenCompose
659 +            (CompletableFuture<T> f,
660 +             Function<? super T,? extends CompletionStage<U>> a);
661 +        public abstract <T,U> CompletableFuture<U> handle
662 +            (CompletableFuture<T> f,
663 +             BiFunction<? super T,Throwable,? extends U> a);
664 +        public abstract <T> CompletableFuture<T> whenComplete
665 +            (CompletableFuture<T> f,
666 +             BiConsumer<? super T,? super Throwable> a);
667 +        public abstract <T,U> CompletableFuture<Void> runAfterBoth
668 +            (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
669 +        public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
670 +            (CompletableFuture<T> f,
671 +             CompletionStage<? extends U> g,
672 +             BiConsumer<? super T,? super U> a);
673 +        public abstract <T,U,V> CompletableFuture<V> thenCombine
674 +            (CompletableFuture<T> f,
675 +             CompletionStage<? extends U> g,
676 +             BiFunction<? super T,? super U,? extends V> a);
677 +        public abstract <T> CompletableFuture<Void> runAfterEither
678 +            (CompletableFuture<T> f,
679 +             CompletionStage<?> g,
680 +             java.lang.Runnable a);
681 +        public abstract <T> CompletableFuture<Void> acceptEither
682 +            (CompletableFuture<T> f,
683 +             CompletionStage<? extends T> g,
684 +             Consumer<? super T> a);
685 +        public abstract <T,U> CompletableFuture<U> applyToEither
686 +            (CompletableFuture<T> f,
687 +             CompletionStage<? extends T> g,
688 +             Function<? super T,U> a);
689 +    }
690 +
691 +    /**
692 +     * exceptionally action is not invoked when source completes
693 +     * normally, and source result is propagated
694 +     */
695 +    public void testExceptionally_normalCompletion() {
696 +        for (boolean createIncomplete : new boolean[] { true, false })
697 +        for (Integer v1 : new Integer[] { 1, null })
698 +    {
699 +        final AtomicInteger a = new AtomicInteger(0);
700 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
701 +        if (!createIncomplete) f.complete(v1);
702 +        final CompletableFuture<Integer> g = f.exceptionally
703 +            ((Throwable t) -> {
704 +                // Should not be called
705 +                a.getAndIncrement();
706 +                throw new AssertionError();
707 +            });
708 +        if (createIncomplete) f.complete(v1);
709 +
710 +        checkCompletedNormally(g, v1);
711 +        checkCompletedNormally(f, v1);
712 +        assertEquals(0, a.get());
713 +    }}
714 +
715 +
716 +    /**
717 +     * exceptionally action completes with function value on source
718 +     * exception
719 +     */
720 +    public void testExceptionally_exceptionalCompletion() {
721 +        for (boolean createIncomplete : new boolean[] { true, false })
722 +        for (Integer v1 : new Integer[] { 1, null })
723 +    {
724 +        final AtomicInteger a = new AtomicInteger(0);
725 +        final CFException ex = new CFException();
726 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
727 +        if (!createIncomplete) f.completeExceptionally(ex);
728 +        final CompletableFuture<Integer> g = f.exceptionally
729 +            ((Throwable t) -> {
730 +                threadAssertSame(t, ex);
731 +                a.getAndIncrement();
732 +                return v1;
733 +            });
734 +        if (createIncomplete) f.completeExceptionally(ex);
735 +
736 +        checkCompletedNormally(g, v1);
737 +        assertEquals(1, a.get());
738 +    }}
739 +
740 +    public void testExceptionally_exceptionalCompletionActionFailed() {
741 +        for (boolean createIncomplete : new boolean[] { true, false })
742 +        for (Integer v1 : new Integer[] { 1, null })
743 +    {
744 +        final AtomicInteger a = new AtomicInteger(0);
745 +        final CFException ex1 = new CFException();
746 +        final CFException ex2 = new CFException();
747 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
748 +        if (!createIncomplete) f.completeExceptionally(ex1);
749 +        final CompletableFuture<Integer> g = f.exceptionally
750 +            ((Throwable t) -> {
751 +                threadAssertSame(t, ex1);
752 +                a.getAndIncrement();
753 +                throw ex2;
754 +            });
755 +        if (createIncomplete) f.completeExceptionally(ex1);
756 +
757 +        checkCompletedWithWrappedCFException(g, ex2);
758 +        assertEquals(1, a.get());
759 +    }}
760 +
761 +    /**
762 +     * handle action completes normally with function value on normal
763 +     * completion of source
764 +     */
765 +    public void testHandle_normalCompletion() {
766 +        for (ExecutionMode m : ExecutionMode.values())
767 +        for (boolean createIncomplete : new boolean[] { true, false })
768 +        for (Integer v1 : new Integer[] { 1, null })
769 +    {
770 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
771 +        final AtomicInteger a = new AtomicInteger(0);
772 +        if (!createIncomplete) f.complete(v1);
773 +        final CompletableFuture<Integer> g = m.handle
774 +            (f,
775 +             (Integer x, Throwable t) -> {
776 +                threadAssertSame(x, v1);
777 +                threadAssertNull(t);
778 +                a.getAndIncrement();
779 +                return inc(v1);
780 +            });
781 +        if (createIncomplete) f.complete(v1);
782 +
783 +        checkCompletedNormally(g, inc(v1));
784 +        checkCompletedNormally(f, v1);
785 +        assertEquals(1, a.get());
786 +    }}
787 +
788 +    /**
789 +     * handle action completes normally with function value on
790 +     * exceptional completion of source
791 +     */
792 +    public void testHandle_exceptionalCompletion() {
793 +        for (ExecutionMode m : ExecutionMode.values())
794 +        for (boolean createIncomplete : new boolean[] { true, false })
795 +        for (Integer v1 : new Integer[] { 1, null })
796 +    {
797 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
798 +        final AtomicInteger a = new AtomicInteger(0);
799 +        final CFException ex = new CFException();
800 +        if (!createIncomplete) f.completeExceptionally(ex);
801 +        final CompletableFuture<Integer> g = m.handle
802 +            (f,
803 +             (Integer x, Throwable t) -> {
804 +                threadAssertNull(x);
805 +                threadAssertSame(t, ex);
806 +                a.getAndIncrement();
807 +                return v1;
808 +            });
809 +        if (createIncomplete) f.completeExceptionally(ex);
810 +
811 +        checkCompletedNormally(g, v1);
812 +        checkCompletedWithWrappedCFException(f, ex);
813 +        assertEquals(1, a.get());
814 +    }}
815 +
816 +    /**
817 +     * handle action completes normally with function value on
818 +     * cancelled source
819 +     */
820 +    public void testHandle_sourceCancelled() {
821 +        for (ExecutionMode m : ExecutionMode.values())
822 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
823 +        for (boolean createIncomplete : new boolean[] { true, false })
824 +        for (Integer v1 : new Integer[] { 1, null })
825 +    {
826 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
827 +        final AtomicInteger a = new AtomicInteger(0);
828 +        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
829 +        final CompletableFuture<Integer> g = m.handle
830 +            (f,
831 +             (Integer x, Throwable t) -> {
832 +                threadAssertNull(x);
833 +                threadAssertTrue(t instanceof CancellationException);
834 +                a.getAndIncrement();
835 +                return v1;
836 +            });
837 +        if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
838 +
839 +        checkCompletedNormally(g, v1);
840 +        checkCancelled(f);
841 +        assertEquals(1, a.get());
842 +    }}
843 +
844 +    /**
845 +     * handle result completes exceptionally if action does
846 +     */
847 +    public void testHandle_sourceFailedActionFailed() {
848 +        for (ExecutionMode m : ExecutionMode.values())
849 +        for (boolean createIncomplete : new boolean[] { true, false })
850 +    {
851 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
852 +        final AtomicInteger a = new AtomicInteger(0);
853 +        final CFException ex1 = new CFException();
854 +        final CFException ex2 = new CFException();
855 +        if (!createIncomplete) f.completeExceptionally(ex1);
856 +        final CompletableFuture<Integer> g = m.handle
857 +            (f,
858 +             (Integer x, Throwable t) -> {
859 +                threadAssertNull(x);
860 +                threadAssertSame(ex1, t);
861 +                a.getAndIncrement();
862 +                throw ex2;
863 +            });
864 +        if (createIncomplete) f.completeExceptionally(ex1);
865 +
866 +        checkCompletedWithWrappedCFException(g, ex2);
867 +        checkCompletedWithWrappedCFException(f, ex1);
868 +        assertEquals(1, a.get());
869 +    }}
870 +
871 +    public void testHandle_sourceCompletedNormallyActionFailed() {
872 +        for (ExecutionMode m : ExecutionMode.values())
873 +        for (boolean createIncomplete : new boolean[] { true, false })
874 +        for (Integer v1 : new Integer[] { 1, null })
875 +    {
876 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
877 +        final AtomicInteger a = new AtomicInteger(0);
878 +        final CFException ex = new CFException();
879 +        if (!createIncomplete) f.complete(v1);
880 +        final CompletableFuture<Integer> g = m.handle
881 +            (f,
882 +             (Integer x, Throwable t) -> {
883 +                threadAssertSame(x, v1);
884 +                threadAssertNull(t);
885 +                a.getAndIncrement();
886 +                throw ex;
887 +            });
888 +        if (createIncomplete) f.complete(v1);
889 +
890 +        checkCompletedWithWrappedCFException(g, ex);
891 +        checkCompletedNormally(f, v1);
892 +        assertEquals(1, a.get());
893 +    }}
894 +
895 +    /**
896 +     * runAsync completes after running Runnable
897 +     */
898 +    public void testRunAsync() {
899 +        Noop r = new Noop();
900 +        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
901 +        assertNull(f.join());
902 +        assertEquals(1, r.invocationCount);
903 +        checkCompletedNormally(f, null);
904 +    }
905 +
906 +    /**
907 +     * runAsync with executor completes after running Runnable
908 +     */
909 +    public void testRunAsync2() {
910 +        Noop r = new Noop();
911 +        ThreadExecutor exec = new ThreadExecutor();
912 +        CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
913 +        assertNull(f.join());
914 +        assertEquals(1, r.invocationCount);
915 +        checkCompletedNormally(f, null);
916 +        assertEquals(1, exec.count.get());
917 +    }
918 +
919 +    /**
920 +     * failing runAsync completes exceptionally after running Runnable
921 +     */
922 +    public void testRunAsync3() {
923 +        FailingNoop r = new FailingNoop();
924 +        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
925 +        checkCompletedWithWrappedCFException(f);
926 +        assertEquals(1, r.invocationCount);
927 +    }
928 +
929 +    /**
930 +     * supplyAsync completes with result of supplier
931 +     */
932 +    public void testSupplyAsync() {
933 +        CompletableFuture<Integer> f;
934 +        f = CompletableFuture.supplyAsync(supplyOne);
935 +        assertEquals(f.join(), one);
936 +        checkCompletedNormally(f, one);
937 +    }
938 +
939 +    /**
940 +     * supplyAsync with executor completes with result of supplier
941 +     */
942 +    public void testSupplyAsync2() {
943 +        CompletableFuture<Integer> f;
944 +        f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
945 +        assertEquals(f.join(), one);
946 +        checkCompletedNormally(f, one);
947 +    }
948 +
949 +    /**
950 +     * Failing supplyAsync completes exceptionally
951 +     */
952 +    public void testSupplyAsync3() {
953 +        FailingSupplier r = new FailingSupplier();
954 +        CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
955 +        checkCompletedWithWrappedCFException(f);
956 +        assertEquals(1, r.invocationCount);
957 +    }
958 +
959 +    // seq completion methods
960 +
961 +    /**
962 +     * thenRun result completes normally after normal completion of source
963 +     */
964 +    public void testThenRun() {
965 +        CompletableFuture<Integer> f;
966 +        CompletableFuture<Void> g;
967 +        Noop r;
968 +
969 +        f = new CompletableFuture<>();
970 +        g = f.thenRun(r = new Noop());
971 +        f.complete(null);
972 +        checkCompletedNormally(g, null);
973 +        assertEquals(1, r.invocationCount);
974 +
975 +        f = new CompletableFuture<>();
976 +        f.complete(null);
977 +        g = f.thenRun(r = new Noop());
978 +        checkCompletedNormally(g, null);
979 +        assertEquals(1, r.invocationCount);
980 +    }
981 +
982 +    /**
983 +     * thenRun result completes exceptionally after exceptional
984 +     * completion of source
985 +     */
986 +    public void testThenRun2() {
987 +        CompletableFuture<Integer> f;
988 +        CompletableFuture<Void> g;
989 +        Noop r;
990 +
991 +        f = new CompletableFuture<>();
992 +        g = f.thenRun(r = new Noop());
993 +        f.completeExceptionally(new CFException());
994 +        checkCompletedWithWrappedCFException(g);
995 +        assertEquals(0, r.invocationCount);
996 +
997 +        f = new CompletableFuture<>();
998 +        f.completeExceptionally(new CFException());
999 +        g = f.thenRun(r = new Noop());
1000 +        checkCompletedWithWrappedCFException(g);
1001 +        assertEquals(0, r.invocationCount);
1002 +    }
1003 +
1004 +    /**
1005 +     * thenRun result completes exceptionally if action does
1006 +     */
1007 +    public void testThenRun3() {
1008 +        CompletableFuture<Integer> f;
1009 +        CompletableFuture<Void> g;
1010 +        FailingNoop r;
1011 +
1012 +        f = new CompletableFuture<>();
1013 +        g = f.thenRun(r = new FailingNoop());
1014 +        f.complete(null);
1015 +        checkCompletedWithWrappedCFException(g);
1016 +
1017 +        f = new CompletableFuture<>();
1018 +        f.complete(null);
1019 +        g = f.thenRun(r = new FailingNoop());
1020 +        checkCompletedWithWrappedCFException(g);
1021 +    }
1022 +
1023 +    /**
1024 +     * thenRun result completes exceptionally if source cancelled
1025 +     */
1026 +    public void testThenRun4() {
1027 +        CompletableFuture<Integer> f;
1028 +        CompletableFuture<Void> g;
1029 +        Noop r;
1030 +
1031 +        f = new CompletableFuture<>();
1032 +        g = f.thenRun(r = new Noop());
1033 +        assertTrue(f.cancel(true));
1034 +        checkCompletedWithWrappedCancellationException(g);
1035 +
1036 +        f = new CompletableFuture<>();
1037 +        assertTrue(f.cancel(true));
1038 +        g = f.thenRun(r = new Noop());
1039 +        checkCompletedWithWrappedCancellationException(g);
1040 +    }
1041 +
1042 +    /**
1043 +     * thenApply result completes normally after normal completion of source
1044 +     */
1045 +    public void testThenApply() {
1046 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1047 +        CompletableFuture<Integer> g = f.thenApply(inc);
1048 +        f.complete(one);
1049 +        checkCompletedNormally(g, two);
1050 +    }
1051 +
1052 +    /**
1053 +     * thenApply result completes exceptionally after exceptional
1054 +     * completion of source
1055 +     */
1056 +    public void testThenApply2() {
1057 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1058 +        CompletableFuture<Integer> g = f.thenApply(inc);
1059 +        f.completeExceptionally(new CFException());
1060 +        checkCompletedWithWrappedCFException(g);
1061 +    }
1062 +
1063 +    /**
1064 +     * thenApply result completes exceptionally if action does
1065 +     */
1066 +    public void testThenApply3() {
1067 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1068 +        CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1069 +        f.complete(one);
1070 +        checkCompletedWithWrappedCFException(g);
1071 +    }
1072 +
1073 +    /**
1074 +     * thenApply result completes exceptionally if source cancelled
1075 +     */
1076 +    public void testThenApply4() {
1077 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1078 +        CompletableFuture<Integer> g = f.thenApply(inc);
1079 +        assertTrue(f.cancel(true));
1080 +        checkCompletedWithWrappedCancellationException(g);
1081 +    }
1082 +
1083 +    /**
1084 +     * thenAccept result completes normally after normal completion of source
1085 +     */
1086 +    public void testThenAccept() {
1087 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1088 +        IncAction r = new IncAction();
1089 +        CompletableFuture<Void> g = f.thenAccept(r);
1090 +        f.complete(one);
1091 +        checkCompletedNormally(g, null);
1092 +        assertEquals(r.value, (Integer) 2);
1093 +    }
1094 +
1095 +    /**
1096 +     * thenAccept result completes exceptionally after exceptional
1097 +     * completion of source
1098 +     */
1099 +    public void testThenAccept2() {
1100 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1101 +        IncAction r = new IncAction();
1102 +        CompletableFuture<Void> g = f.thenAccept(r);
1103 +        f.completeExceptionally(new CFException());
1104 +        checkCompletedWithWrappedCFException(g);
1105 +    }
1106 +
1107 +    /**
1108 +     * thenAccept result completes exceptionally if action does
1109 +     */
1110 +    public void testThenAccept3() {
1111 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1112 +        FailingConsumer r = new FailingConsumer();
1113 +        CompletableFuture<Void> g = f.thenAccept(r);
1114 +        f.complete(one);
1115 +        checkCompletedWithWrappedCFException(g);
1116 +        assertEquals(1, r.invocationCount);
1117 +    }
1118 +
1119 +    /**
1120 +     * thenAccept result completes exceptionally if source cancelled
1121 +     */
1122 +    public void testThenAccept4() {
1123 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1124 +        IncAction r = new IncAction();
1125 +        CompletableFuture<Void> g = f.thenAccept(r);
1126 +        assertTrue(f.cancel(true));
1127 +        checkCompletedWithWrappedCancellationException(g);
1128 +    }
1129 +
1130 +    /**
1131 +     * thenCombine result completes normally after normal completion
1132 +     * of sources
1133 +     */
1134 +    public void testThenCombine_normalCompletion1() {
1135 +        for (boolean createIncomplete : new boolean[] { true, false })
1136 +        for (boolean fFirst : new boolean[] { true, false })
1137 +        for (ExecutionMode m : ExecutionMode.values())
1138 +        for (Integer v1 : new Integer[] { 1, null })
1139 +        for (Integer v2 : new Integer[] { 2, null }) {
1140 +
1141 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1142 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1143 +        final SubtractFunction r = new SubtractFunction();
1144 +        CompletableFuture<Integer> h = null;
1145 +        if (createIncomplete) h = m.thenCombine(f, g, r);
1146 +
1147 +        if (fFirst)
1148 +            f.complete(v1);
1149 +        else
1150 +            g.complete(v2);
1151 +        if (createIncomplete) checkIncomplete(h);
1152 +        assertEquals(0, r.invocationCount);
1153 +        if (!fFirst)
1154 +            f.complete(v1);
1155 +        else
1156 +            g.complete(v2);
1157 +        if (!createIncomplete) h = m.thenCombine(f, g, r);
1158 +
1159 +        checkCompletedNormally(h, subtract(v1, v2));
1160 +        checkCompletedNormally(f, v1);
1161 +        checkCompletedNormally(g, v2);
1162 +        assertEquals(1, r.invocationCount);
1163 +        }
1164 +    }
1165 +
1166 +    /**
1167 +     * thenCombine result completes exceptionally after exceptional
1168 +     * completion of either source
1169 +     */
1170 +    public void testThenCombine_exceptionalCompletion1() {
1171 +        for (ExecutionMode m : ExecutionMode.values())
1172 +        for (Integer v1 : new Integer[] { 1, null }) {
1173 +
1174 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1175 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1176 +        final SubtractFunction r = new SubtractFunction();
1177 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1178 +        final CFException ex = new CFException();
1179 +
1180 +        f.completeExceptionally(ex);
1181 +        checkIncomplete(h);
1182 +        g.complete(v1);
1183 +
1184 +        checkCompletedWithWrappedCFException(h, ex);
1185 +        checkCompletedWithWrappedCFException(f, ex);
1186 +        assertEquals(0, r.invocationCount);
1187 +        checkCompletedNormally(g, v1);
1188 +        }
1189 +    }
1190 +
1191 +    public void testThenCombine_exceptionalCompletion2() {
1192 +        for (ExecutionMode m : ExecutionMode.values())
1193 +        for (Integer v1 : new Integer[] { 1, null }) {
1194 +
1195 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1196 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1197 +        final SubtractFunction r = new SubtractFunction();
1198 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1199 +        final CFException ex = new CFException();
1200 +
1201 +        g.completeExceptionally(ex);
1202 +        checkIncomplete(h);
1203 +        f.complete(v1);
1204 +
1205 +        checkCompletedWithWrappedCFException(h, ex);
1206 +        checkCompletedWithWrappedCFException(g, ex);
1207 +        assertEquals(0, r.invocationCount);
1208 +        checkCompletedNormally(f, v1);
1209 +        }
1210 +    }
1211 +
1212 +    public void testThenCombine_exceptionalCompletion3() {
1213 +        for (ExecutionMode m : ExecutionMode.values())
1214 +        for (Integer v1 : new Integer[] { 1, null }) {
1215 +
1216 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1217 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1218 +        final SubtractFunction r = new SubtractFunction();
1219 +        final CFException ex = new CFException();
1220 +
1221 +        g.completeExceptionally(ex);
1222 +        f.complete(v1);
1223 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1224 +
1225 +        checkCompletedWithWrappedCFException(h, ex);
1226 +        checkCompletedWithWrappedCFException(g, ex);
1227 +        assertEquals(0, r.invocationCount);
1228 +        checkCompletedNormally(f, v1);
1229 +        }
1230 +    }
1231 +
1232 +    public void testThenCombine_exceptionalCompletion4() {
1233 +        for (ExecutionMode m : ExecutionMode.values())
1234 +        for (Integer v1 : new Integer[] { 1, null }) {
1235 +
1236 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1237 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1238 +        final SubtractFunction r = new SubtractFunction();
1239 +        final CFException ex = new CFException();
1240 +
1241 +        f.completeExceptionally(ex);
1242 +        g.complete(v1);
1243 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1244 +
1245 +        checkCompletedWithWrappedCFException(h, ex);
1246 +        checkCompletedWithWrappedCFException(f, ex);
1247 +        assertEquals(0, r.invocationCount);
1248 +        checkCompletedNormally(g, v1);
1249 +        }
1250 +    }
1251 +
1252 +    /**
1253 +     * thenCombine result completes exceptionally if action does
1254 +     */
1255 +    public void testThenCombine_actionFailed1() {
1256 +        for (ExecutionMode m : ExecutionMode.values())
1257 +        for (Integer v1 : new Integer[] { 1, null })
1258 +        for (Integer v2 : new Integer[] { 2, null }) {
1259 +
1260 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1261 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1262 +        final FailingBiFunction r = new FailingBiFunction();
1263 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1264 +
1265 +        f.complete(v1);
1266 +        checkIncomplete(h);
1267 +        g.complete(v2);
1268 +
1269 +        checkCompletedWithWrappedCFException(h);
1270 +        checkCompletedNormally(f, v1);
1271 +        checkCompletedNormally(g, v2);
1272 +        }
1273 +    }
1274 +
1275 +    public void testThenCombine_actionFailed2() {
1276 +        for (ExecutionMode m : ExecutionMode.values())
1277 +        for (Integer v1 : new Integer[] { 1, null })
1278 +        for (Integer v2 : new Integer[] { 2, null }) {
1279 +
1280 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1281 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1282 +        final FailingBiFunction r = new FailingBiFunction();
1283 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1284 +
1285 +        g.complete(v2);
1286 +        checkIncomplete(h);
1287 +        f.complete(v1);
1288 +
1289 +        checkCompletedWithWrappedCFException(h);
1290 +        checkCompletedNormally(f, v1);
1291 +        checkCompletedNormally(g, v2);
1292 +        }
1293 +    }
1294 +
1295 +    /**
1296 +     * thenCombine result completes exceptionally if either source cancelled
1297 +     */
1298 +    public void testThenCombine_sourceCancelled1() {
1299 +        for (ExecutionMode m : ExecutionMode.values())
1300 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1301 +        for (Integer v1 : new Integer[] { 1, null }) {
1302 +
1303 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1304 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1305 +        final SubtractFunction r = new SubtractFunction();
1306 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1307 +
1308 +        assertTrue(f.cancel(mayInterruptIfRunning));
1309 +        checkIncomplete(h);
1310 +        g.complete(v1);
1311 +
1312 +        checkCompletedWithWrappedCancellationException(h);
1313 +        checkCancelled(f);
1314 +        assertEquals(0, r.invocationCount);
1315 +        checkCompletedNormally(g, v1);
1316 +        }
1317 +    }
1318 +
1319 +    public void testThenCombine_sourceCancelled2() {
1320 +        for (ExecutionMode m : ExecutionMode.values())
1321 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1322 +        for (Integer v1 : new Integer[] { 1, null }) {
1323 +
1324 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1325 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1326 +        final SubtractFunction r = new SubtractFunction();
1327 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1328 +
1329 +        assertTrue(g.cancel(mayInterruptIfRunning));
1330 +        checkIncomplete(h);
1331 +        f.complete(v1);
1332 +
1333 +        checkCompletedWithWrappedCancellationException(h);
1334 +        checkCancelled(g);
1335 +        assertEquals(0, r.invocationCount);
1336 +        checkCompletedNormally(f, v1);
1337 +        }
1338 +    }
1339 +
1340 +    public void testThenCombine_sourceCancelled3() {
1341 +        for (ExecutionMode m : ExecutionMode.values())
1342 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1343 +        for (Integer v1 : new Integer[] { 1, null }) {
1344 +
1345 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1346 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1347 +        final SubtractFunction r = new SubtractFunction();
1348 +
1349 +        assertTrue(g.cancel(mayInterruptIfRunning));
1350 +        f.complete(v1);
1351 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1352 +
1353 +        checkCompletedWithWrappedCancellationException(h);
1354 +        checkCancelled(g);
1355 +        assertEquals(0, r.invocationCount);
1356 +        checkCompletedNormally(f, v1);
1357 +        }
1358 +    }
1359 +
1360 +    public void testThenCombine_sourceCancelled4() {
1361 +        for (ExecutionMode m : ExecutionMode.values())
1362 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1363 +        for (Integer v1 : new Integer[] { 1, null }) {
1364 +
1365 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1366 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1367 +        final SubtractFunction r = new SubtractFunction();
1368 +
1369 +        assertTrue(f.cancel(mayInterruptIfRunning));
1370 +        g.complete(v1);
1371 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1372 +
1373 +        checkCompletedWithWrappedCancellationException(h);
1374 +        checkCancelled(f);
1375 +        assertEquals(0, r.invocationCount);
1376 +        checkCompletedNormally(g, v1);
1377 +        }
1378 +    }
1379 +
1380 +    /**
1381 +     * thenAcceptBoth result completes normally after normal
1382 +     * completion of sources
1383 +     */
1384 +    public void testThenAcceptBoth_normalCompletion1() {
1385 +        for (ExecutionMode m : ExecutionMode.values())
1386 +        for (Integer v1 : new Integer[] { 1, null })
1387 +        for (Integer v2 : new Integer[] { 2, null }) {
1388 +
1389 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1390 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1391 +        final SubtractAction r = new SubtractAction();
1392 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1393 +
1394 +        f.complete(v1);
1395 +        checkIncomplete(h);
1396 +        assertEquals(0, r.invocationCount);
1397 +        g.complete(v2);
1398 +
1399 +        checkCompletedNormally(h, null);
1400 +        assertEquals(subtract(v1, v2), r.value);
1401 +        checkCompletedNormally(f, v1);
1402 +        checkCompletedNormally(g, v2);
1403 +        }
1404 +    }
1405 +
1406 +    public void testThenAcceptBoth_normalCompletion2() {
1407 +        for (ExecutionMode m : ExecutionMode.values())
1408 +        for (Integer v1 : new Integer[] { 1, null })
1409 +        for (Integer v2 : new Integer[] { 2, null }) {
1410 +
1411 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1412 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1413 +        final SubtractAction r = new SubtractAction();
1414 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1415 +
1416 +        g.complete(v2);
1417 +        checkIncomplete(h);
1418 +        assertEquals(0, r.invocationCount);
1419 +        f.complete(v1);
1420 +
1421 +        checkCompletedNormally(h, null);
1422 +        assertEquals(subtract(v1, v2), r.value);
1423 +        checkCompletedNormally(f, v1);
1424 +        checkCompletedNormally(g, v2);
1425 +        }
1426 +    }
1427 +
1428 +    public void testThenAcceptBoth_normalCompletion3() {
1429 +        for (ExecutionMode m : ExecutionMode.values())
1430 +        for (Integer v1 : new Integer[] { 1, null })
1431 +        for (Integer v2 : new Integer[] { 2, null }) {
1432 +
1433 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1434 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1435 +        final SubtractAction r = new SubtractAction();
1436 +
1437 +        g.complete(v2);
1438 +        f.complete(v1);
1439 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1440 +
1441 +        checkCompletedNormally(h, null);
1442 +        assertEquals(subtract(v1, v2), r.value);
1443 +        checkCompletedNormally(f, v1);
1444 +        checkCompletedNormally(g, v2);
1445 +        }
1446 +    }
1447 +
1448 +    public void testThenAcceptBoth_normalCompletion4() {
1449 +        for (ExecutionMode m : ExecutionMode.values())
1450 +        for (Integer v1 : new Integer[] { 1, null })
1451 +        for (Integer v2 : new Integer[] { 2, null }) {
1452 +
1453 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1454 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1455 +        final SubtractAction r = new SubtractAction();
1456 +
1457 +        f.complete(v1);
1458 +        g.complete(v2);
1459 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1460 +
1461 +        checkCompletedNormally(h, null);
1462 +        assertEquals(subtract(v1, v2), r.value);
1463 +        checkCompletedNormally(f, v1);
1464 +        checkCompletedNormally(g, v2);
1465 +        }
1466 +    }
1467 +
1468 +    /**
1469 +     * thenAcceptBoth result completes exceptionally after exceptional
1470 +     * completion of either source
1471 +     */
1472 +    public void testThenAcceptBoth_exceptionalCompletion1() {
1473 +        for (ExecutionMode m : ExecutionMode.values())
1474 +        for (Integer v1 : new Integer[] { 1, null }) {
1475 +
1476 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1477 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1478 +        final SubtractAction r = new SubtractAction();
1479 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1480 +        final CFException ex = new CFException();
1481 +
1482 +        f.completeExceptionally(ex);
1483 +        checkIncomplete(h);
1484 +        g.complete(v1);
1485 +
1486 +        checkCompletedWithWrappedCFException(h, ex);
1487 +        checkCompletedWithWrappedCFException(f, ex);
1488 +        assertEquals(0, r.invocationCount);
1489 +        checkCompletedNormally(g, v1);
1490 +        }
1491 +    }
1492 +
1493 +    public void testThenAcceptBoth_exceptionalCompletion2() {
1494 +        for (ExecutionMode m : ExecutionMode.values())
1495 +        for (Integer v1 : new Integer[] { 1, null }) {
1496 +
1497 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1498 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1499 +        final SubtractAction r = new SubtractAction();
1500 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1501 +        final CFException ex = new CFException();
1502 +
1503 +        g.completeExceptionally(ex);
1504 +        checkIncomplete(h);
1505 +        f.complete(v1);
1506 +
1507 +        checkCompletedWithWrappedCFException(h, ex);
1508 +        checkCompletedWithWrappedCFException(g, ex);
1509 +        assertEquals(0, r.invocationCount);
1510 +        checkCompletedNormally(f, v1);
1511 +        }
1512 +    }
1513 +
1514 +    public void testThenAcceptBoth_exceptionalCompletion3() {
1515 +        for (ExecutionMode m : ExecutionMode.values())
1516 +        for (Integer v1 : new Integer[] { 1, null }) {
1517 +
1518 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1519 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1520 +        final SubtractAction r = new SubtractAction();
1521 +        final CFException ex = new CFException();
1522 +
1523 +        g.completeExceptionally(ex);
1524 +        f.complete(v1);
1525 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1526 +
1527 +        checkCompletedWithWrappedCFException(h, ex);
1528 +        checkCompletedWithWrappedCFException(g, ex);
1529 +        assertEquals(0, r.invocationCount);
1530 +        checkCompletedNormally(f, v1);
1531 +        }
1532 +    }
1533 +
1534 +    public void testThenAcceptBoth_exceptionalCompletion4() {
1535 +        for (ExecutionMode m : ExecutionMode.values())
1536 +        for (Integer v1 : new Integer[] { 1, null }) {
1537 +
1538 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1539 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1540 +        final SubtractAction r = new SubtractAction();
1541 +        final CFException ex = new CFException();
1542 +
1543 +        f.completeExceptionally(ex);
1544 +        g.complete(v1);
1545 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1546 +
1547 +        checkCompletedWithWrappedCFException(h, ex);
1548 +        checkCompletedWithWrappedCFException(f, ex);
1549 +        assertEquals(0, r.invocationCount);
1550 +        checkCompletedNormally(g, v1);
1551 +        }
1552 +    }
1553 +
1554 +    /**
1555 +     * thenAcceptBoth result completes exceptionally if action does
1556 +     */
1557 +    public void testThenAcceptBoth_actionFailed1() {
1558 +        for (ExecutionMode m : ExecutionMode.values())
1559 +        for (Integer v1 : new Integer[] { 1, null })
1560 +        for (Integer v2 : new Integer[] { 2, null }) {
1561 +
1562 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1563 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1564 +        final FailingBiConsumer r = new FailingBiConsumer();
1565 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1566 +
1567 +        f.complete(v1);
1568 +        checkIncomplete(h);
1569 +        g.complete(v2);
1570 +
1571 +        checkCompletedWithWrappedCFException(h);
1572 +        checkCompletedNormally(f, v1);
1573 +        checkCompletedNormally(g, v2);
1574 +        }
1575 +    }
1576 +
1577 +    public void testThenAcceptBoth_actionFailed2() {
1578 +        for (ExecutionMode m : ExecutionMode.values())
1579 +        for (Integer v1 : new Integer[] { 1, null })
1580 +        for (Integer v2 : new Integer[] { 2, null }) {
1581 +
1582 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1583 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1584 +        final FailingBiConsumer r = new FailingBiConsumer();
1585 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1586 +
1587 +        g.complete(v2);
1588 +        checkIncomplete(h);
1589 +        f.complete(v1);
1590 +
1591 +        checkCompletedWithWrappedCFException(h);
1592 +        checkCompletedNormally(f, v1);
1593 +        checkCompletedNormally(g, v2);
1594 +        }
1595 +    }
1596 +
1597 +    /**
1598 +     * thenAcceptBoth result completes exceptionally if either source cancelled
1599 +     */
1600 +    public void testThenAcceptBoth_sourceCancelled1() {
1601 +        for (ExecutionMode m : ExecutionMode.values())
1602 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1603 +        for (Integer v1 : new Integer[] { 1, null }) {
1604 +
1605 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1606 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1607 +        final SubtractAction r = new SubtractAction();
1608 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1609 +
1610 +        assertTrue(f.cancel(mayInterruptIfRunning));
1611 +        checkIncomplete(h);
1612 +        g.complete(v1);
1613 +
1614 +        checkCompletedWithWrappedCancellationException(h);
1615 +        checkCancelled(f);
1616 +        assertEquals(0, r.invocationCount);
1617 +        checkCompletedNormally(g, v1);
1618 +        }
1619 +    }
1620 +
1621 +    public void testThenAcceptBoth_sourceCancelled2() {
1622 +        for (ExecutionMode m : ExecutionMode.values())
1623 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1624 +        for (Integer v1 : new Integer[] { 1, null }) {
1625 +
1626 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1627 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1628 +        final SubtractAction r = new SubtractAction();
1629 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1630 +
1631 +        assertTrue(g.cancel(mayInterruptIfRunning));
1632 +        checkIncomplete(h);
1633 +        f.complete(v1);
1634 +
1635 +        checkCompletedWithWrappedCancellationException(h);
1636 +        checkCancelled(g);
1637 +        assertEquals(0, r.invocationCount);
1638 +        checkCompletedNormally(f, v1);
1639 +        }
1640 +    }
1641 +
1642 +    public void testThenAcceptBoth_sourceCancelled3() {
1643 +        for (ExecutionMode m : ExecutionMode.values())
1644 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1645 +        for (Integer v1 : new Integer[] { 1, null }) {
1646 +
1647 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1648 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1649 +        final SubtractAction r = new SubtractAction();
1650 +
1651 +        assertTrue(g.cancel(mayInterruptIfRunning));
1652 +        f.complete(v1);
1653 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1654 +
1655 +        checkCompletedWithWrappedCancellationException(h);
1656 +        checkCancelled(g);
1657 +        assertEquals(0, r.invocationCount);
1658 +        checkCompletedNormally(f, v1);
1659 +        }
1660 +    }
1661 +
1662 +    public void testThenAcceptBoth_sourceCancelled4() {
1663 +        for (ExecutionMode m : ExecutionMode.values())
1664 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1665 +        for (Integer v1 : new Integer[] { 1, null }) {
1666 +
1667 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1668 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1669 +        final SubtractAction r = new SubtractAction();
1670 +
1671 +        assertTrue(f.cancel(mayInterruptIfRunning));
1672 +        g.complete(v1);
1673 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1674 +
1675 +        checkCompletedWithWrappedCancellationException(h);
1676 +        checkCancelled(f);
1677 +        assertEquals(0, r.invocationCount);
1678 +        checkCompletedNormally(g, v1);
1679 +        }
1680 +    }
1681 +
1682 +    /**
1683 +     * runAfterBoth result completes normally after normal
1684 +     * completion of sources
1685 +     */
1686 +    public void testRunAfterBoth_normalCompletion1() {
1687 +        for (ExecutionMode m : ExecutionMode.values())
1688 +        for (Integer v1 : new Integer[] { 1, null })
1689 +        for (Integer v2 : new Integer[] { 2, null }) {
1690 +
1691 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1692 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1693 +        final Noop r = new Noop();
1694 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1695 +
1696 +        f.complete(v1);
1697 +        checkIncomplete(h);
1698 +        assertEquals(0, r.invocationCount);
1699 +        g.complete(v2);
1700 +
1701 +        checkCompletedNormally(h, null);
1702 +        assertEquals(1, r.invocationCount);
1703 +        checkCompletedNormally(f, v1);
1704 +        checkCompletedNormally(g, v2);
1705 +        }
1706 +    }
1707 +
1708 +    public void testRunAfterBoth_normalCompletion2() {
1709 +        for (ExecutionMode m : ExecutionMode.values())
1710 +        for (Integer v1 : new Integer[] { 1, null })
1711 +        for (Integer v2 : new Integer[] { 2, null }) {
1712 +
1713 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1714 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1715 +        final Noop r = new Noop();
1716 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1717 +
1718 +        g.complete(v2);
1719 +        checkIncomplete(h);
1720 +        assertEquals(0, r.invocationCount);
1721 +        f.complete(v1);
1722 +
1723 +        checkCompletedNormally(h, null);
1724 +        assertEquals(1, r.invocationCount);
1725 +        checkCompletedNormally(f, v1);
1726 +        checkCompletedNormally(g, v2);
1727 +        }
1728 +    }
1729 +
1730 +    public void testRunAfterBoth_normalCompletion3() {
1731 +        for (ExecutionMode m : ExecutionMode.values())
1732 +        for (Integer v1 : new Integer[] { 1, null })
1733 +        for (Integer v2 : new Integer[] { 2, null }) {
1734 +
1735 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1736 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1737 +        final Noop r = new Noop();
1738 +
1739 +        g.complete(v2);
1740 +        f.complete(v1);
1741 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1742 +
1743 +        checkCompletedNormally(h, null);
1744 +        assertEquals(1, r.invocationCount);
1745 +        checkCompletedNormally(f, v1);
1746 +        checkCompletedNormally(g, v2);
1747 +        }
1748 +    }
1749 +
1750 +    public void testRunAfterBoth_normalCompletion4() {
1751 +        for (ExecutionMode m : ExecutionMode.values())
1752 +        for (Integer v1 : new Integer[] { 1, null })
1753 +        for (Integer v2 : new Integer[] { 2, null }) {
1754 +
1755 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1756 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1757 +        final Noop r = new Noop();
1758 +
1759 +        f.complete(v1);
1760 +        g.complete(v2);
1761 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1762 +
1763 +        checkCompletedNormally(h, null);
1764 +        assertEquals(1, r.invocationCount);
1765 +        checkCompletedNormally(f, v1);
1766 +        checkCompletedNormally(g, v2);
1767 +        }
1768 +    }
1769 +
1770 +    /**
1771 +     * runAfterBoth result completes exceptionally after exceptional
1772 +     * completion of either source
1773 +     */
1774 +    public void testRunAfterBoth_exceptionalCompletion1() {
1775 +        for (ExecutionMode m : ExecutionMode.values())
1776 +        for (Integer v1 : new Integer[] { 1, null }) {
1777 +
1778 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1779 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1780 +        final Noop r = new Noop();
1781 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1782 +        final CFException ex = new CFException();
1783 +
1784 +        f.completeExceptionally(ex);
1785 +        checkIncomplete(h);
1786 +        g.complete(v1);
1787 +
1788 +        checkCompletedWithWrappedCFException(h, ex);
1789 +        checkCompletedWithWrappedCFException(f, ex);
1790 +        assertEquals(0, r.invocationCount);
1791 +        checkCompletedNormally(g, v1);
1792 +        }
1793 +    }
1794 +
1795 +    public void testRunAfterBoth_exceptionalCompletion2() {
1796 +        for (ExecutionMode m : ExecutionMode.values())
1797 +        for (Integer v1 : new Integer[] { 1, null }) {
1798 +
1799 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1800 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1801 +        final Noop r = new Noop();
1802 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1803 +        final CFException ex = new CFException();
1804 +
1805 +        g.completeExceptionally(ex);
1806 +        checkIncomplete(h);
1807 +        f.complete(v1);
1808 +
1809 +        checkCompletedWithWrappedCFException(h, ex);
1810 +        checkCompletedWithWrappedCFException(g, ex);
1811 +        assertEquals(0, r.invocationCount);
1812 +        checkCompletedNormally(f, v1);
1813 +        }
1814 +    }
1815 +
1816 +    public void testRunAfterBoth_exceptionalCompletion3() {
1817 +        for (ExecutionMode m : ExecutionMode.values())
1818 +        for (Integer v1 : new Integer[] { 1, null }) {
1819 +
1820 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1821 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1822 +        final Noop r = new Noop();
1823 +        final CFException ex = new CFException();
1824 +
1825 +        g.completeExceptionally(ex);
1826 +        f.complete(v1);
1827 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1828 +
1829 +        checkCompletedWithWrappedCFException(h, ex);
1830 +        checkCompletedWithWrappedCFException(g, ex);
1831 +        assertEquals(0, r.invocationCount);
1832 +        checkCompletedNormally(f, v1);
1833 +        }
1834 +    }
1835 +
1836 +    public void testRunAfterBoth_exceptionalCompletion4() {
1837 +        for (ExecutionMode m : ExecutionMode.values())
1838 +        for (Integer v1 : new Integer[] { 1, null }) {
1839 +
1840 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1841 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1842 +        final Noop r = new Noop();
1843 +        final CFException ex = new CFException();
1844 +
1845 +        f.completeExceptionally(ex);
1846 +        g.complete(v1);
1847 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1848 +
1849 +        checkCompletedWithWrappedCFException(h, ex);
1850 +        checkCompletedWithWrappedCFException(f, ex);
1851 +        assertEquals(0, r.invocationCount);
1852 +        checkCompletedNormally(g, v1);
1853 +        }
1854 +    }
1855 +
1856 +    /**
1857 +     * runAfterBoth result completes exceptionally if action does
1858 +     */
1859 +    public void testRunAfterBoth_actionFailed1() {
1860 +        for (ExecutionMode m : ExecutionMode.values())
1861 +        for (Integer v1 : new Integer[] { 1, null })
1862 +        for (Integer v2 : new Integer[] { 2, null }) {
1863 +
1864 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1865 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1866 +        final FailingNoop r = new FailingNoop();
1867 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1868 +
1869 +        f.complete(v1);
1870 +        checkIncomplete(h);
1871 +        g.complete(v2);
1872 +
1873 +        checkCompletedWithWrappedCFException(h);
1874 +        checkCompletedNormally(f, v1);
1875 +        checkCompletedNormally(g, v2);
1876 +        }
1877 +    }
1878 +
1879 +    public void testRunAfterBoth_actionFailed2() {
1880 +        for (ExecutionMode m : ExecutionMode.values())
1881 +        for (Integer v1 : new Integer[] { 1, null })
1882 +        for (Integer v2 : new Integer[] { 2, null }) {
1883 +
1884 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1885 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1886 +        final FailingNoop r = new FailingNoop();
1887 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1888 +
1889 +        g.complete(v2);
1890 +        checkIncomplete(h);
1891 +        f.complete(v1);
1892 +
1893 +        checkCompletedWithWrappedCFException(h);
1894 +        checkCompletedNormally(f, v1);
1895 +        checkCompletedNormally(g, v2);
1896 +        }
1897 +    }
1898 +
1899 +    /**
1900 +     * runAfterBoth result completes exceptionally if either source cancelled
1901 +     */
1902 +    public void testRunAfterBoth_sourceCancelled1() {
1903 +        for (ExecutionMode m : ExecutionMode.values())
1904 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1905 +        for (Integer v1 : new Integer[] { 1, null }) {
1906 +
1907 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1908 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1909 +        final Noop r = new Noop();
1910 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1911 +
1912 +        assertTrue(f.cancel(mayInterruptIfRunning));
1913 +        checkIncomplete(h);
1914 +        g.complete(v1);
1915 +
1916 +        checkCompletedWithWrappedCancellationException(h);
1917 +        checkCancelled(f);
1918 +        assertEquals(0, r.invocationCount);
1919 +        checkCompletedNormally(g, v1);
1920 +        }
1921 +    }
1922 +
1923 +    public void testRunAfterBoth_sourceCancelled2() {
1924 +        for (ExecutionMode m : ExecutionMode.values())
1925 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1926 +        for (Integer v1 : new Integer[] { 1, null }) {
1927 +
1928 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1929 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1930 +        final Noop r = new Noop();
1931 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1932 +
1933 +        assertTrue(g.cancel(mayInterruptIfRunning));
1934 +        checkIncomplete(h);
1935 +        f.complete(v1);
1936 +
1937 +        checkCompletedWithWrappedCancellationException(h);
1938 +        checkCancelled(g);
1939 +        assertEquals(0, r.invocationCount);
1940 +        checkCompletedNormally(f, v1);
1941 +        }
1942 +    }
1943 +
1944 +    public void testRunAfterBoth_sourceCancelled3() {
1945 +        for (ExecutionMode m : ExecutionMode.values())
1946 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1947 +        for (Integer v1 : new Integer[] { 1, null }) {
1948 +
1949 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1950 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1951 +        final Noop r = new Noop();
1952 +
1953 +        assertTrue(g.cancel(mayInterruptIfRunning));
1954 +        f.complete(v1);
1955 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1956 +
1957 +        checkCompletedWithWrappedCancellationException(h);
1958 +        checkCancelled(g);
1959 +        assertEquals(0, r.invocationCount);
1960 +        checkCompletedNormally(f, v1);
1961 +        }
1962 +    }
1963 +
1964 +    public void testRunAfterBoth_sourceCancelled4() {
1965 +        for (ExecutionMode m : ExecutionMode.values())
1966 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1967 +        for (Integer v1 : new Integer[] { 1, null }) {
1968 +
1969 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1970 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1971 +        final Noop r = new Noop();
1972 +
1973 +        assertTrue(f.cancel(mayInterruptIfRunning));
1974 +        g.complete(v1);
1975 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1976 +
1977 +        checkCompletedWithWrappedCancellationException(h);
1978 +        checkCancelled(f);
1979 +        assertEquals(0, r.invocationCount);
1980 +        checkCompletedNormally(g, v1);
1981 +        }
1982 +    }
1983 +
1984 +    /**
1985 +     * applyToEither result completes normally after normal completion
1986 +     * of either source
1987 +     */
1988 +    public void testApplyToEither_normalCompletion1() {
1989 +        for (ExecutionMode m : ExecutionMode.values())
1990 +        for (Integer v1 : new Integer[] { 1, null })
1991 +        for (Integer v2 : new Integer[] { 2, null }) {
1992 +
1993 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1994 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1995 +        final IncFunction r = new IncFunction();
1996 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1997 +
1998 +        f.complete(v1);
1999 +        checkCompletedNormally(h, inc(v1));
2000 +        g.complete(v2);
2001 +
2002 +        checkCompletedNormally(f, v1);
2003 +        checkCompletedNormally(g, v2);
2004 +        checkCompletedNormally(h, inc(v1));
2005 +        }
2006 +    }
2007 +
2008 +    public void testApplyToEither_normalCompletion2() {
2009 +        for (ExecutionMode m : ExecutionMode.values())
2010 +        for (Integer v1 : new Integer[] { 1, null })
2011 +        for (Integer v2 : new Integer[] { 2, null }) {
2012 +
2013 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2014 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2015 +        final IncFunction r = new IncFunction();
2016 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2017 +
2018 +        g.complete(v2);
2019 +        checkCompletedNormally(h, inc(v2));
2020 +        f.complete(v1);
2021 +
2022 +        checkCompletedNormally(f, v1);
2023 +        checkCompletedNormally(g, v2);
2024 +        checkCompletedNormally(h, inc(v2));
2025 +        }
2026 +    }
2027 +    public void testApplyToEither_normalCompletion3() {
2028 +        for (ExecutionMode m : ExecutionMode.values())
2029 +        for (Integer v1 : new Integer[] { 1, null })
2030 +        for (Integer v2 : new Integer[] { 2, null }) {
2031 +
2032 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2033 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2034 +        final IncFunction r = new IncFunction();
2035 +
2036 +        f.complete(v1);
2037 +        g.complete(v2);
2038 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2039 +
2040 +        checkCompletedNormally(f, v1);
2041 +        checkCompletedNormally(g, v2);
2042 +
2043 +        // unspecified behavior
2044 +        assertTrue(Objects.equals(h.join(), inc(v1)) ||
2045 +                   Objects.equals(h.join(), inc(v2)));
2046 +        assertEquals(1, r.invocationCount);
2047 +        }
2048 +    }
2049 +
2050 +    /**
2051 +     * applyToEither result completes exceptionally after exceptional
2052 +     * completion of either source
2053 +     */
2054 +    public void testApplyToEither_exceptionalCompletion1() {
2055 +        for (ExecutionMode m : ExecutionMode.values())
2056 +        for (Integer v1 : new Integer[] { 1, null }) {
2057 +
2058 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2059 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2060 +        final IncFunction r = new IncFunction();
2061 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2062 +        final CFException ex = new CFException();
2063 +
2064 +        f.completeExceptionally(ex);
2065 +        checkCompletedWithWrappedCFException(h, ex);
2066 +        g.complete(v1);
2067 +
2068 +        assertEquals(0, r.invocationCount);
2069 +        checkCompletedNormally(g, v1);
2070 +        checkCompletedWithWrappedCFException(f, ex);
2071 +        checkCompletedWithWrappedCFException(h, ex);
2072 +        }
2073 +    }
2074 +
2075 +    public void testApplyToEither_exceptionalCompletion2() {
2076 +        for (ExecutionMode m : ExecutionMode.values())
2077 +        for (Integer v1 : new Integer[] { 1, null }) {
2078 +
2079 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2080 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2081 +        final IncFunction r = new IncFunction();
2082 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2083 +        final CFException ex = new CFException();
2084 +
2085 +        g.completeExceptionally(ex);
2086 +        checkCompletedWithWrappedCFException(h, ex);
2087 +        f.complete(v1);
2088 +
2089 +        assertEquals(0, r.invocationCount);
2090 +        checkCompletedNormally(f, v1);
2091 +        checkCompletedWithWrappedCFException(g, ex);
2092 +        checkCompletedWithWrappedCFException(h, ex);
2093 +        }
2094 +    }
2095 +
2096 +    public void testApplyToEither_exceptionalCompletion3() {
2097 +        for (ExecutionMode m : ExecutionMode.values())
2098 +        for (Integer v1 : new Integer[] { 1, null }) {
2099 +
2100 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2101 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2102 +        final IncFunction r = new IncFunction();
2103 +        final CFException ex = new CFException();
2104 +
2105 +        g.completeExceptionally(ex);
2106 +        f.complete(v1);
2107 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2108 +
2109 +        // unspecified behavior
2110 +        Integer v;
2111 +        try {
2112 +            assertEquals(inc(v1), h.join());
2113 +            assertEquals(1, r.invocationCount);
2114 +        } catch (CompletionException ok) {
2115 +            checkCompletedWithWrappedCFException(h, ex);
2116 +            assertEquals(0, r.invocationCount);
2117 +        }
2118 +
2119 +        checkCompletedWithWrappedCFException(g, ex);
2120 +        checkCompletedNormally(f, v1);
2121 +        }
2122 +    }
2123 +
2124 +    public void testApplyToEither_exceptionalCompletion4() {
2125 +        for (ExecutionMode m : ExecutionMode.values())
2126 +        for (Integer v1 : new Integer[] { 1, null }) {
2127 +
2128 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2129 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2130 +        final IncFunction r = new IncFunction();
2131 +        final CFException ex = new CFException();
2132 +
2133 +        f.completeExceptionally(ex);
2134 +        g.complete(v1);
2135 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2136 +
2137 +        // unspecified behavior
2138 +        Integer v;
2139 +        try {
2140 +            assertEquals(inc(v1), h.join());
2141 +            assertEquals(1, r.invocationCount);
2142 +        } catch (CompletionException ok) {
2143 +            checkCompletedWithWrappedCFException(h, ex);
2144 +            assertEquals(0, r.invocationCount);
2145 +        }
2146 +
2147 +        checkCompletedWithWrappedCFException(f, ex);
2148 +        checkCompletedNormally(g, v1);
2149 +        }
2150 +    }
2151 +
2152 +    /**
2153 +     * applyToEither result completes exceptionally if action does
2154 +     */
2155 +    public void testApplyToEither_actionFailed1() {
2156 +        for (ExecutionMode m : ExecutionMode.values())
2157 +        for (Integer v1 : new Integer[] { 1, null })
2158 +        for (Integer v2 : new Integer[] { 2, null }) {
2159 +
2160 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2161 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2162 +        final FailingFunction r = new FailingFunction();
2163 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2164 +
2165 +        f.complete(v1);
2166 +        checkCompletedWithWrappedCFException(h);
2167 +        g.complete(v2);
2168 +        checkCompletedNormally(f, v1);
2169 +        checkCompletedNormally(g, v2);
2170 +        }
2171 +    }
2172 +
2173 +    public void testApplyToEither_actionFailed2() {
2174 +        for (ExecutionMode m : ExecutionMode.values())
2175 +        for (Integer v1 : new Integer[] { 1, null })
2176 +        for (Integer v2 : new Integer[] { 2, null }) {
2177 +
2178 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2179 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2180 +        final FailingFunction r = new FailingFunction();
2181 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2182 +
2183 +        g.complete(v2);
2184 +        checkCompletedWithWrappedCFException(h);
2185 +        f.complete(v1);
2186 +        checkCompletedNormally(f, v1);
2187 +        checkCompletedNormally(g, v2);
2188 +        }
2189 +    }
2190 +
2191 +    /**
2192 +     * applyToEither result completes exceptionally if either source cancelled
2193 +     */
2194 +    public void testApplyToEither_sourceCancelled1() {
2195 +        for (ExecutionMode m : ExecutionMode.values())
2196 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2197 +        for (Integer v1 : new Integer[] { 1, null }) {
2198 +
2199 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2200 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2201 +        final IncFunction r = new IncFunction();
2202 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2203 +
2204 +        assertTrue(f.cancel(mayInterruptIfRunning));
2205 +        checkCompletedWithWrappedCancellationException(h);
2206 +        g.complete(v1);
2207 +
2208 +        checkCancelled(f);
2209 +        assertEquals(0, r.invocationCount);
2210 +        checkCompletedNormally(g, v1);
2211 +        checkCompletedWithWrappedCancellationException(h);
2212 +        }
2213 +    }
2214 +
2215 +    public void testApplyToEither_sourceCancelled2() {
2216 +        for (ExecutionMode m : ExecutionMode.values())
2217 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2218 +        for (Integer v1 : new Integer[] { 1, null }) {
2219 +
2220 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2221 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2222 +        final IncFunction r = new IncFunction();
2223 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2224 +
2225 +        assertTrue(g.cancel(mayInterruptIfRunning));
2226 +        checkCompletedWithWrappedCancellationException(h);
2227 +        f.complete(v1);
2228 +
2229 +        checkCancelled(g);
2230 +        assertEquals(0, r.invocationCount);
2231 +        checkCompletedNormally(f, v1);
2232 +        checkCompletedWithWrappedCancellationException(h);
2233 +        }
2234 +    }
2235 +
2236 +    public void testApplyToEither_sourceCancelled3() {
2237 +        for (ExecutionMode m : ExecutionMode.values())
2238 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2239 +        for (Integer v1 : new Integer[] { 1, null }) {
2240 +
2241 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2242 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2243 +        final IncFunction r = new IncFunction();
2244 +
2245 +        assertTrue(g.cancel(mayInterruptIfRunning));
2246 +        f.complete(v1);
2247 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2248 +
2249 +        // unspecified behavior
2250 +        Integer v;
2251 +        try {
2252 +            assertEquals(inc(v1), h.join());
2253 +            assertEquals(1, r.invocationCount);
2254 +        } catch (CompletionException ok) {
2255 +            checkCompletedWithWrappedCancellationException(h);
2256 +            assertEquals(0, r.invocationCount);
2257 +        }
2258 +
2259 +        checkCancelled(g);
2260 +        checkCompletedNormally(f, v1);
2261 +        }
2262 +    }
2263 +
2264 +    public void testApplyToEither_sourceCancelled4() {
2265 +        for (ExecutionMode m : ExecutionMode.values())
2266 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2267 +        for (Integer v1 : new Integer[] { 1, null }) {
2268 +
2269 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2270 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2271 +        final IncFunction r = new IncFunction();
2272 +
2273 +        assertTrue(f.cancel(mayInterruptIfRunning));
2274 +        g.complete(v1);
2275 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2276 +
2277 +        // unspecified behavior
2278 +        Integer v;
2279 +        try {
2280 +            assertEquals(inc(v1), h.join());
2281 +            assertEquals(1, r.invocationCount);
2282 +        } catch (CompletionException ok) {
2283 +            checkCompletedWithWrappedCancellationException(h);
2284 +            assertEquals(0, r.invocationCount);
2285 +        }
2286 +
2287 +        checkCancelled(f);
2288 +        checkCompletedNormally(g, v1);
2289 +        }
2290 +    }
2291 +
2292 +    /**
2293 +     * acceptEither result completes normally after normal completion
2294 +     * of either source
2295 +     */
2296 +    public void testAcceptEither_normalCompletion1() {
2297 +        for (ExecutionMode m : ExecutionMode.values())
2298 +        for (Integer v1 : new Integer[] { 1, null })
2299 +        for (Integer v2 : new Integer[] { 2, null }) {
2300 +
2301 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2302 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2303 +        final IncAction r = new IncAction();
2304 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2305 +
2306 +        f.complete(v1);
2307 +        checkCompletedNormally(h, null);
2308 +        assertEquals(inc(v1), r.value);
2309 +        g.complete(v2);
2310 +
2311 +        checkCompletedNormally(f, v1);
2312 +        checkCompletedNormally(g, v2);
2313 +        checkCompletedNormally(h, null);
2314 +        }
2315 +    }
2316 +
2317 +    public void testAcceptEither_normalCompletion2() {
2318 +        for (ExecutionMode m : ExecutionMode.values())
2319 +        for (Integer v1 : new Integer[] { 1, null })
2320 +        for (Integer v2 : new Integer[] { 2, null }) {
2321 +
2322 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2323 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2324 +        final IncAction r = new IncAction();
2325 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2326 +
2327 +        g.complete(v2);
2328 +        checkCompletedNormally(h, null);
2329 +        assertEquals(inc(v2), r.value);
2330 +        f.complete(v1);
2331 +
2332 +        checkCompletedNormally(f, v1);
2333 +        checkCompletedNormally(g, v2);
2334 +        checkCompletedNormally(h, null);
2335 +        }
2336 +    }
2337 +    public void testAcceptEither_normalCompletion3() {
2338 +        for (ExecutionMode m : ExecutionMode.values())
2339 +        for (Integer v1 : new Integer[] { 1, null })
2340 +        for (Integer v2 : new Integer[] { 2, null }) {
2341 +
2342 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2343 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2344 +        final IncAction r = new IncAction();
2345 +
2346 +        f.complete(v1);
2347 +        g.complete(v2);
2348 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2349 +
2350 +        checkCompletedNormally(h, null);
2351 +        checkCompletedNormally(f, v1);
2352 +        checkCompletedNormally(g, v2);
2353 +
2354 +        // unspecified behavior
2355 +        assertTrue(Objects.equals(r.value, inc(v1)) ||
2356 +                   Objects.equals(r.value, inc(v2)));
2357 +        }
2358 +    }
2359 +
2360 +    /**
2361 +     * acceptEither result completes exceptionally after exceptional
2362 +     * completion of either source
2363 +     */
2364 +    public void testAcceptEither_exceptionalCompletion1() {
2365 +        for (ExecutionMode m : ExecutionMode.values())
2366 +        for (Integer v1 : new Integer[] { 1, null }) {
2367 +
2368 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2369 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2370 +        final IncAction r = new IncAction();
2371 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2372 +        final CFException ex = new CFException();
2373 +
2374 +        f.completeExceptionally(ex);
2375 +        checkCompletedWithWrappedCFException(h, ex);
2376 +        g.complete(v1);
2377 +
2378 +        assertEquals(0, r.invocationCount);
2379 +        checkCompletedNormally(g, v1);
2380 +        checkCompletedWithWrappedCFException(f, ex);
2381 +        checkCompletedWithWrappedCFException(h, ex);
2382 +        }
2383 +    }
2384 +
2385 +    public void testAcceptEither_exceptionalCompletion2() {
2386 +        for (ExecutionMode m : ExecutionMode.values())
2387 +        for (Integer v1 : new Integer[] { 1, null }) {
2388 +
2389 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2390 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2391 +        final IncAction r = new IncAction();
2392 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2393 +        final CFException ex = new CFException();
2394 +
2395 +        g.completeExceptionally(ex);
2396 +        checkCompletedWithWrappedCFException(h, ex);
2397 +        f.complete(v1);
2398 +
2399 +        assertEquals(0, r.invocationCount);
2400 +        checkCompletedNormally(f, v1);
2401 +        checkCompletedWithWrappedCFException(g, ex);
2402 +        checkCompletedWithWrappedCFException(h, ex);
2403 +        }
2404 +    }
2405 +
2406 +    public void testAcceptEither_exceptionalCompletion3() {
2407 +        for (ExecutionMode m : ExecutionMode.values())
2408 +        for (Integer v1 : new Integer[] { 1, null }) {
2409 +
2410 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2411 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2412 +        final IncAction r = new IncAction();
2413 +        final CFException ex = new CFException();
2414 +
2415 +        g.completeExceptionally(ex);
2416 +        f.complete(v1);
2417 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2418 +
2419 +        // unspecified behavior
2420 +        Integer v;
2421 +        try {
2422 +            assertNull(h.join());
2423 +            assertEquals(1, r.invocationCount);
2424 +            assertEquals(inc(v1), r.value);
2425 +        } catch (CompletionException ok) {
2426 +            checkCompletedWithWrappedCFException(h, ex);
2427 +            assertEquals(0, r.invocationCount);
2428 +        }
2429 +
2430 +        checkCompletedWithWrappedCFException(g, ex);
2431 +        checkCompletedNormally(f, v1);
2432 +        }
2433 +    }
2434 +
2435 +    public void testAcceptEither_exceptionalCompletion4() {
2436 +        for (ExecutionMode m : ExecutionMode.values())
2437 +        for (Integer v1 : new Integer[] { 1, null }) {
2438 +
2439 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2440 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2441 +        final IncAction r = new IncAction();
2442 +        final CFException ex = new CFException();
2443 +
2444 +        f.completeExceptionally(ex);
2445 +        g.complete(v1);
2446 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2447 +
2448 +        // unspecified behavior
2449 +        Integer v;
2450 +        try {
2451 +            assertNull(h.join());
2452 +            assertEquals(1, r.invocationCount);
2453 +            assertEquals(inc(v1), r.value);
2454 +        } catch (CompletionException ok) {
2455 +            checkCompletedWithWrappedCFException(h, ex);
2456 +            assertEquals(0, r.invocationCount);
2457 +        }
2458 +
2459 +        checkCompletedWithWrappedCFException(f, ex);
2460 +        checkCompletedNormally(g, v1);
2461 +        }
2462 +    }
2463 +
2464 +    /**
2465 +     * acceptEither result completes exceptionally if action does
2466 +     */
2467 +    public void testAcceptEither_actionFailed1() {
2468 +        for (ExecutionMode m : ExecutionMode.values())
2469 +        for (Integer v1 : new Integer[] { 1, null })
2470 +        for (Integer v2 : new Integer[] { 2, null }) {
2471 +
2472 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2473 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2474 +        final FailingConsumer r = new FailingConsumer();
2475 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2476 +
2477 +        f.complete(v1);
2478 +        checkCompletedWithWrappedCFException(h);
2479 +        g.complete(v2);
2480 +        checkCompletedNormally(f, v1);
2481 +        checkCompletedNormally(g, v2);
2482 +        }
2483 +    }
2484 +
2485 +    public void testAcceptEither_actionFailed2() {
2486 +        for (ExecutionMode m : ExecutionMode.values())
2487 +        for (Integer v1 : new Integer[] { 1, null })
2488 +        for (Integer v2 : new Integer[] { 2, null }) {
2489 +
2490 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2491 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2492 +        final FailingConsumer r = new FailingConsumer();
2493 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2494 +
2495 +        g.complete(v2);
2496 +        checkCompletedWithWrappedCFException(h);
2497 +        f.complete(v1);
2498 +        checkCompletedNormally(f, v1);
2499 +        checkCompletedNormally(g, v2);
2500 +        }
2501 +    }
2502 +
2503 +    /**
2504 +     * acceptEither result completes exceptionally if either source cancelled
2505 +     */
2506 +    public void testAcceptEither_sourceCancelled1() {
2507 +        for (ExecutionMode m : ExecutionMode.values())
2508 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2509 +        for (Integer v1 : new Integer[] { 1, null }) {
2510 +
2511 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2512 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2513 +        final IncAction r = new IncAction();
2514 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2515 +
2516 +        assertTrue(f.cancel(mayInterruptIfRunning));
2517 +        checkCompletedWithWrappedCancellationException(h);
2518 +        g.complete(v1);
2519 +
2520 +        checkCancelled(f);
2521 +        assertEquals(0, r.invocationCount);
2522 +        checkCompletedNormally(g, v1);
2523 +        checkCompletedWithWrappedCancellationException(h);
2524 +        }
2525 +    }
2526 +
2527 +    public void testAcceptEither_sourceCancelled2() {
2528 +        for (ExecutionMode m : ExecutionMode.values())
2529 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2530 +        for (Integer v1 : new Integer[] { 1, null }) {
2531 +
2532 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2533 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2534 +        final IncAction r = new IncAction();
2535 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2536 +
2537 +        assertTrue(g.cancel(mayInterruptIfRunning));
2538 +        checkCompletedWithWrappedCancellationException(h);
2539 +        f.complete(v1);
2540 +
2541 +        checkCancelled(g);
2542 +        assertEquals(0, r.invocationCount);
2543 +        checkCompletedNormally(f, v1);
2544 +        checkCompletedWithWrappedCancellationException(h);
2545 +        }
2546 +    }
2547 +
2548 +    public void testAcceptEither_sourceCancelled3() {
2549 +        for (ExecutionMode m : ExecutionMode.values())
2550 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2551 +        for (Integer v1 : new Integer[] { 1, null }) {
2552 +
2553 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2554 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2555 +        final IncAction r = new IncAction();
2556 +
2557 +        assertTrue(g.cancel(mayInterruptIfRunning));
2558 +        f.complete(v1);
2559 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2560 +
2561 +        // unspecified behavior
2562 +        Integer v;
2563 +        try {
2564 +            assertNull(h.join());
2565 +            assertEquals(1, r.invocationCount);
2566 +            assertEquals(inc(v1), r.value);
2567 +        } catch (CompletionException ok) {
2568 +            checkCompletedWithWrappedCancellationException(h);
2569 +            assertEquals(0, r.invocationCount);
2570 +        }
2571 +
2572 +        checkCancelled(g);
2573 +        checkCompletedNormally(f, v1);
2574 +        }
2575 +    }
2576 +
2577 +    public void testAcceptEither_sourceCancelled4() {
2578 +        for (ExecutionMode m : ExecutionMode.values())
2579 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2580 +        for (Integer v1 : new Integer[] { 1, null }) {
2581 +
2582 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2583 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2584 +        final IncAction r = new IncAction();
2585 +
2586 +        assertTrue(f.cancel(mayInterruptIfRunning));
2587 +        g.complete(v1);
2588 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2589 +
2590 +        // unspecified behavior
2591 +        Integer v;
2592 +        try {
2593 +            assertNull(h.join());
2594 +            assertEquals(1, r.invocationCount);
2595 +            assertEquals(inc(v1), r.value);
2596 +        } catch (CompletionException ok) {
2597 +            checkCompletedWithWrappedCancellationException(h);
2598 +            assertEquals(0, r.invocationCount);
2599 +        }
2600 +
2601 +        checkCancelled(f);
2602 +        checkCompletedNormally(g, v1);
2603 +        }
2604 +    }
2605 +
2606 +    /**
2607 +     * runAfterEither result completes normally after normal completion
2608 +     * of either source
2609 +     */
2610 +    public void testRunAfterEither_normalCompletion1() {
2611 +        for (ExecutionMode m : ExecutionMode.values())
2612 +        for (Integer v1 : new Integer[] { 1, null })
2613 +        for (Integer v2 : new Integer[] { 2, null }) {
2614 +
2615 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2616 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2617 +        final Noop r = new Noop();
2618 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2619 +
2620 +        f.complete(v1);
2621 +        checkCompletedNormally(h, null);
2622 +        assertEquals(1, r.invocationCount);
2623 +        g.complete(v2);
2624 +
2625 +        checkCompletedNormally(f, v1);
2626 +        checkCompletedNormally(g, v2);
2627 +        checkCompletedNormally(h, null);
2628 +        assertEquals(1, r.invocationCount);
2629 +        }
2630 +    }
2631 +
2632 +    public void testRunAfterEither_normalCompletion2() {
2633 +        for (ExecutionMode m : ExecutionMode.values())
2634 +        for (Integer v1 : new Integer[] { 1, null })
2635 +        for (Integer v2 : new Integer[] { 2, null }) {
2636 +
2637 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2638 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2639 +        final Noop r = new Noop();
2640 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2641 +
2642 +        g.complete(v2);
2643 +        checkCompletedNormally(h, null);
2644 +        assertEquals(1, r.invocationCount);
2645 +        f.complete(v1);
2646 +
2647 +        checkCompletedNormally(f, v1);
2648 +        checkCompletedNormally(g, v2);
2649 +        checkCompletedNormally(h, null);
2650 +        assertEquals(1, r.invocationCount);
2651 +        }
2652 +    }
2653 +    public void testRunAfterEither_normalCompletion3() {
2654 +        for (ExecutionMode m : ExecutionMode.values())
2655 +        for (Integer v1 : new Integer[] { 1, null })
2656 +        for (Integer v2 : new Integer[] { 2, null }) {
2657 +
2658 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2659 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2660 +        final Noop r = new Noop();
2661 +
2662 +        f.complete(v1);
2663 +        g.complete(v2);
2664 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2665 +
2666 +        checkCompletedNormally(h, null);
2667 +        checkCompletedNormally(f, v1);
2668 +        checkCompletedNormally(g, v2);
2669 +        assertEquals(1, r.invocationCount);
2670 +        }
2671 +    }
2672 +
2673 +    /**
2674 +     * runAfterEither result completes exceptionally after exceptional
2675 +     * completion of either source
2676 +     */
2677 +    public void testRunAfterEither_exceptionalCompletion1() {
2678 +        for (ExecutionMode m : ExecutionMode.values())
2679 +        for (Integer v1 : new Integer[] { 1, null }) {
2680 +
2681 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2682 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2683 +        final Noop r = new Noop();
2684 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2685 +        final CFException ex = new CFException();
2686 +
2687 +        f.completeExceptionally(ex);
2688 +        checkCompletedWithWrappedCFException(h, ex);
2689 +        g.complete(v1);
2690 +
2691 +        assertEquals(0, r.invocationCount);
2692 +        checkCompletedNormally(g, v1);
2693 +        checkCompletedWithWrappedCFException(f, ex);
2694 +        checkCompletedWithWrappedCFException(h, ex);
2695 +        }
2696 +    }
2697 +
2698 +    public void testRunAfterEither_exceptionalCompletion2() {
2699 +        for (ExecutionMode m : ExecutionMode.values())
2700 +        for (Integer v1 : new Integer[] { 1, null }) {
2701 +
2702 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2703 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2704 +        final Noop r = new Noop();
2705 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2706 +        final CFException ex = new CFException();
2707 +
2708 +        g.completeExceptionally(ex);
2709 +        checkCompletedWithWrappedCFException(h, ex);
2710 +        f.complete(v1);
2711 +
2712 +        assertEquals(0, r.invocationCount);
2713 +        checkCompletedNormally(f, v1);
2714 +        checkCompletedWithWrappedCFException(g, ex);
2715 +        checkCompletedWithWrappedCFException(h, ex);
2716 +        }
2717 +    }
2718 +
2719 +    public void testRunAfterEither_exceptionalCompletion3() {
2720 +        for (ExecutionMode m : ExecutionMode.values())
2721 +        for (Integer v1 : new Integer[] { 1, null }) {
2722 +
2723 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2724 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2725 +        final Noop r = new Noop();
2726 +        final CFException ex = new CFException();
2727 +
2728 +        g.completeExceptionally(ex);
2729 +        f.complete(v1);
2730 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2731 +
2732 +        // unspecified behavior
2733 +        Integer v;
2734 +        try {
2735 +            assertNull(h.join());
2736 +            assertEquals(1, r.invocationCount);
2737 +        } catch (CompletionException ok) {
2738 +            checkCompletedWithWrappedCFException(h, ex);
2739 +            assertEquals(0, r.invocationCount);
2740 +        }
2741 +
2742 +        checkCompletedWithWrappedCFException(g, ex);
2743 +        checkCompletedNormally(f, v1);
2744 +        }
2745 +    }
2746 +
2747 +    public void testRunAfterEither_exceptionalCompletion4() {
2748 +        for (ExecutionMode m : ExecutionMode.values())
2749 +        for (Integer v1 : new Integer[] { 1, null }) {
2750 +
2751 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2752 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2753 +        final Noop r = new Noop();
2754 +        final CFException ex = new CFException();
2755 +
2756 +        f.completeExceptionally(ex);
2757 +        g.complete(v1);
2758 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2759 +
2760 +        // unspecified behavior
2761 +        Integer v;
2762 +        try {
2763 +            assertNull(h.join());
2764 +            assertEquals(1, r.invocationCount);
2765 +        } catch (CompletionException ok) {
2766 +            checkCompletedWithWrappedCFException(h, ex);
2767 +            assertEquals(0, r.invocationCount);
2768 +        }
2769 +
2770 +        checkCompletedWithWrappedCFException(f, ex);
2771 +        checkCompletedNormally(g, v1);
2772 +        }
2773 +    }
2774 +
2775 +    /**
2776 +     * runAfterEither result completes exceptionally if action does
2777 +     */
2778 +    public void testRunAfterEither_actionFailed1() {
2779 +        for (ExecutionMode m : ExecutionMode.values())
2780 +        for (Integer v1 : new Integer[] { 1, null })
2781 +        for (Integer v2 : new Integer[] { 2, null }) {
2782 +
2783 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2784 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2785 +        final FailingNoop r = new FailingNoop();
2786 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2787 +
2788 +        f.complete(v1);
2789 +        checkCompletedWithWrappedCFException(h);
2790 +        g.complete(v2);
2791 +        checkCompletedNormally(f, v1);
2792 +        checkCompletedNormally(g, v2);
2793 +        }
2794 +    }
2795 +
2796 +    public void testRunAfterEither_actionFailed2() {
2797 +        for (ExecutionMode m : ExecutionMode.values())
2798 +        for (Integer v1 : new Integer[] { 1, null })
2799 +        for (Integer v2 : new Integer[] { 2, null }) {
2800 +
2801 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2802 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2803 +        final FailingNoop r = new FailingNoop();
2804 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2805 +
2806 +        g.complete(v2);
2807 +        checkCompletedWithWrappedCFException(h);
2808 +        f.complete(v1);
2809 +        checkCompletedNormally(f, v1);
2810 +        checkCompletedNormally(g, v2);
2811 +        }
2812 +    }
2813 +
2814 +    /**
2815 +     * runAfterEither result completes exceptionally if either source cancelled
2816 +     */
2817 +    public void testRunAfterEither_sourceCancelled1() {
2818 +        for (ExecutionMode m : ExecutionMode.values())
2819 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2820 +        for (Integer v1 : new Integer[] { 1, null }) {
2821 +
2822 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2823 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2824 +        final Noop r = new Noop();
2825 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2826 +
2827 +        assertTrue(f.cancel(mayInterruptIfRunning));
2828 +        checkCompletedWithWrappedCancellationException(h);
2829 +        g.complete(v1);
2830 +
2831 +        checkCancelled(f);
2832 +        assertEquals(0, r.invocationCount);
2833 +        checkCompletedNormally(g, v1);
2834 +        checkCompletedWithWrappedCancellationException(h);
2835 +        }
2836 +    }
2837 +
2838 +    public void testRunAfterEither_sourceCancelled2() {
2839 +        for (ExecutionMode m : ExecutionMode.values())
2840 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2841 +        for (Integer v1 : new Integer[] { 1, null }) {
2842 +
2843 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2844 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2845 +        final Noop r = new Noop();
2846 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2847 +
2848 +        assertTrue(g.cancel(mayInterruptIfRunning));
2849 +        checkCompletedWithWrappedCancellationException(h);
2850 +        f.complete(v1);
2851 +
2852 +        checkCancelled(g);
2853 +        assertEquals(0, r.invocationCount);
2854 +        checkCompletedNormally(f, v1);
2855 +        checkCompletedWithWrappedCancellationException(h);
2856 +        }
2857 +    }
2858 +
2859 +    public void testRunAfterEither_sourceCancelled3() {
2860 +        for (ExecutionMode m : ExecutionMode.values())
2861 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2862 +        for (Integer v1 : new Integer[] { 1, null }) {
2863 +
2864 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2865 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2866 +        final Noop r = new Noop();
2867 +
2868 +        assertTrue(g.cancel(mayInterruptIfRunning));
2869 +        f.complete(v1);
2870 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2871 +
2872 +        // unspecified behavior
2873 +        Integer v;
2874 +        try {
2875 +            assertNull(h.join());
2876 +            assertEquals(1, r.invocationCount);
2877 +        } catch (CompletionException ok) {
2878 +            checkCompletedWithWrappedCancellationException(h);
2879 +            assertEquals(0, r.invocationCount);
2880 +        }
2881 +
2882 +        checkCancelled(g);
2883 +        checkCompletedNormally(f, v1);
2884 +        }
2885 +    }
2886 +
2887 +    public void testRunAfterEither_sourceCancelled4() {
2888 +        for (ExecutionMode m : ExecutionMode.values())
2889 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2890 +        for (Integer v1 : new Integer[] { 1, null }) {
2891 +
2892 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2893 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2894 +        final Noop r = new Noop();
2895 +
2896 +        assertTrue(f.cancel(mayInterruptIfRunning));
2897 +        g.complete(v1);
2898 +        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2899 +
2900 +        // unspecified behavior
2901 +        Integer v;
2902 +        try {
2903 +            assertNull(h.join());
2904 +            assertEquals(1, r.invocationCount);
2905 +        } catch (CompletionException ok) {
2906 +            checkCompletedWithWrappedCancellationException(h);
2907 +            assertEquals(0, r.invocationCount);
2908 +        }
2909 +
2910 +        checkCancelled(f);
2911 +        checkCompletedNormally(g, v1);
2912 +        }
2913 +    }
2914 +
2915 +    /**
2916 +     * thenCompose result completes normally after normal completion of source
2917 +     */
2918 +    public void testThenCompose_normalCompletion1() {
2919 +        for (ExecutionMode m : ExecutionMode.values())
2920 +        for (Integer v1 : new Integer[] { 1, null }) {
2921 +
2922 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2923 +        final CompletableFutureInc r = new CompletableFutureInc();
2924 +        final CompletableFuture<Integer> g = f.thenCompose(r);
2925 +        f.complete(v1);
2926 +        checkCompletedNormally(g, inc(v1));
2927 +        checkCompletedNormally(f, v1);
2928 +        assertEquals(1, r.invocationCount);
2929 +        }
2930 +    }
2931 +
2932 +    public void testThenCompose_normalCompletion2() {
2933 +        for (ExecutionMode m : ExecutionMode.values())
2934 +        for (Integer v1 : new Integer[] { 1, null }) {
2935 +
2936 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2937 +        final CompletableFutureInc r = new CompletableFutureInc();
2938 +        f.complete(v1);
2939 +        final CompletableFuture<Integer> g = f.thenCompose(r);
2940 +        checkCompletedNormally(g, inc(v1));
2941 +        checkCompletedNormally(f, v1);
2942 +        assertEquals(1, r.invocationCount);
2943 +        }
2944 +    }
2945 +
2946 +    /**
2947 +     * thenCompose result completes exceptionally after exceptional
2948 +     * completion of source
2949 +     */
2950 +    public void testThenCompose_exceptionalCompletion1() {
2951 +        for (ExecutionMode m : ExecutionMode.values()) {
2952 +
2953 +        final CFException ex = new CFException();
2954 +        final CompletableFutureInc r = new CompletableFutureInc();
2955 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2956 +        final CompletableFuture<Integer> g = f.thenCompose(r);
2957 +        f.completeExceptionally(ex);
2958 +        checkCompletedWithWrappedCFException(g, ex);
2959 +        checkCompletedWithWrappedCFException(f, ex);
2960 +        }
2961 +    }
2962 +
2963 +    public void testThenCompose_exceptionalCompletion2() {
2964 +        for (ExecutionMode m : ExecutionMode.values()) {
2965 +
2966 +        final CFException ex = new CFException();
2967 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2968 +        f.completeExceptionally(ex);
2969 +        final CompletableFutureInc r = new CompletableFutureInc();
2970 +        final CompletableFuture<Integer> g = f.thenCompose(r);
2971 +        checkCompletedWithWrappedCFException(g, ex);
2972 +        checkCompletedWithWrappedCFException(f, ex);
2973 +        }
2974 +    }
2975 +
2976 +    /**
2977 +     * thenCompose result completes exceptionally if action does
2978 +     */
2979 +    public void testThenCompose_actionFailed1() {
2980 +        for (ExecutionMode m : ExecutionMode.values())
2981 +        for (Integer v1 : new Integer[] { 1, null }) {
2982 +
2983 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2984 +        final FailingCompletableFutureFunction r
2985 +            = new FailingCompletableFutureFunction();
2986 +        final CompletableFuture<Integer> g = f.thenCompose(r);
2987 +        f.complete(v1);
2988 +        checkCompletedWithWrappedCFException(g);
2989 +        checkCompletedNormally(f, v1);
2990 +        }
2991 +    }
2992 +
2993 +    public void testThenCompose_actionFailed2() {
2994 +        for (ExecutionMode m : ExecutionMode.values())
2995 +        for (Integer v1 : new Integer[] { 1, null }) {
2996 +
2997 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2998 +        f.complete(v1);
2999 +        final FailingCompletableFutureFunction r
3000 +            = new FailingCompletableFutureFunction();
3001 +        final CompletableFuture<Integer> g = f.thenCompose(r);
3002 +        checkCompletedWithWrappedCFException(g);
3003 +        checkCompletedNormally(f, v1);
3004 +        }
3005 +    }
3006 +
3007 +    /**
3008 +     * thenCompose result completes exceptionally if source cancelled
3009 +     */
3010 +    public void testThenCompose_sourceCancelled1() {
3011 +        for (ExecutionMode m : ExecutionMode.values())
3012 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
3013 +
3014 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3015 +        final CompletableFutureInc r = new CompletableFutureInc();
3016 +        final CompletableFuture<Integer> g = f.thenCompose(r);
3017 +        assertTrue(f.cancel(mayInterruptIfRunning));
3018 +        checkCompletedWithWrappedCancellationException(g);
3019 +        checkCancelled(f);
3020 +        }
3021 +    }
3022 +
3023 +    public void testThenCompose_sourceCancelled2() {
3024 +        for (ExecutionMode m : ExecutionMode.values())
3025 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
3026 +
3027 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3028 +        assertTrue(f.cancel(mayInterruptIfRunning));
3029 +        final CompletableFutureInc r = new CompletableFutureInc();
3030 +        final CompletableFuture<Integer> g = f.thenCompose(r);
3031 +        checkCompletedWithWrappedCancellationException(g);
3032 +        checkCancelled(f);
3033 +        }
3034 +    }
3035 +
3036 +    // asyncs
3037 +
3038 +    /**
3039 +     * thenRunAsync result completes normally after normal completion of source
3040 +     */
3041 +    public void testThenRunAsync() {
3042 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3043 +        Noop r = new Noop();
3044 +        CompletableFuture<Void> g = f.thenRunAsync(r);
3045 +        f.complete(null);
3046 +        checkCompletedNormally(g, null);
3047 +
3048 +        // reordered version
3049 +        f = new CompletableFuture<>();
3050 +        f.complete(null);
3051 +        r = new Noop();
3052 +        g = f.thenRunAsync(r);
3053 +        checkCompletedNormally(g, null);
3054 +    }
3055 +
3056 +    /**
3057 +     * thenRunAsync result completes exceptionally after exceptional
3058 +     * completion of source
3059 +     */
3060 +    public void testThenRunAsync2() {
3061 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3062 +        Noop r = new Noop();
3063 +        CompletableFuture<Void> g = f.thenRunAsync(r);
3064 +        f.completeExceptionally(new CFException());
3065 +        try {
3066 +            g.join();
3067 +            shouldThrow();
3068 +        } catch (CompletionException success) {}
3069 +        checkCompletedWithWrappedCFException(g);
3070 +    }
3071 +
3072 +    /**
3073 +     * thenRunAsync result completes exceptionally if action does
3074 +     */
3075 +    public void testThenRunAsync3() {
3076 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3077 +        FailingNoop r = new FailingNoop();
3078 +        CompletableFuture<Void> g = f.thenRunAsync(r);
3079 +        f.complete(null);
3080 +        checkCompletedWithWrappedCFException(g);
3081 +    }
3082 +
3083 +    /**
3084 +     * thenRunAsync result completes exceptionally if source cancelled
3085 +     */
3086 +    public void testThenRunAsync4() {
3087 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3088 +        Noop r = new Noop();
3089 +        CompletableFuture<Void> g = f.thenRunAsync(r);
3090 +        assertTrue(f.cancel(true));
3091 +        checkCompletedWithWrappedCancellationException(g);
3092 +    }
3093 +
3094 +    /**
3095 +     * thenApplyAsync result completes normally after normal completion of source
3096 +     */
3097 +    public void testThenApplyAsync() {
3098 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3099 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3100 +        f.complete(one);
3101 +        checkCompletedNormally(g, two);
3102 +    }
3103 +
3104 +    /**
3105 +     * thenApplyAsync result completes exceptionally after exceptional
3106 +     * completion of source
3107 +     */
3108 +    public void testThenApplyAsync2() {
3109 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3110 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3111 +        f.completeExceptionally(new CFException());
3112 +        checkCompletedWithWrappedCFException(g);
3113 +    }
3114 +
3115 +    /**
3116 +     * thenApplyAsync result completes exceptionally if action does
3117 +     */
3118 +    public void testThenApplyAsync3() {
3119 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3120 +        FailingFunction r = new FailingFunction();
3121 +        CompletableFuture<Integer> g = f.thenApplyAsync(r);
3122 +        f.complete(null);
3123 +        checkCompletedWithWrappedCFException(g);
3124 +    }
3125 +
3126 +    /**
3127 +     * thenApplyAsync result completes exceptionally if source cancelled
3128 +     */
3129 +    public void testThenApplyAsync4() {
3130 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3131 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3132 +        assertTrue(f.cancel(true));
3133 +        checkCompletedWithWrappedCancellationException(g);
3134 +    }
3135 +
3136 +    /**
3137 +     * thenAcceptAsync result completes normally after normal
3138 +     * completion of source
3139 +     */
3140 +    public void testThenAcceptAsync() {
3141 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3142 +        IncAction r = new IncAction();
3143 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
3144 +        f.complete(one);
3145 +        checkCompletedNormally(g, null);
3146 +        assertEquals(r.value, (Integer) 2);
3147 +    }
3148 +
3149 +    /**
3150 +     * thenAcceptAsync result completes exceptionally after exceptional
3151 +     * completion of source
3152 +     */
3153 +    public void testThenAcceptAsync2() {
3154 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3155 +        IncAction r = new IncAction();
3156 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
3157 +        f.completeExceptionally(new CFException());
3158 +        checkCompletedWithWrappedCFException(g);
3159 +    }
3160 +
3161 +    /**
3162 +     * thenAcceptAsync result completes exceptionally if action does
3163 +     */
3164 +    public void testThenAcceptAsync3() {
3165 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3166 +        FailingConsumer r = new FailingConsumer();
3167 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
3168 +        f.complete(null);
3169 +        checkCompletedWithWrappedCFException(g);
3170 +    }
3171 +
3172 +    /**
3173 +     * thenAcceptAsync result completes exceptionally if source cancelled
3174 +     */
3175 +    public void testThenAcceptAsync4() {
3176 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3177 +        IncAction r = new IncAction();
3178 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
3179 +        assertTrue(f.cancel(true));
3180 +        checkCompletedWithWrappedCancellationException(g);
3181 +    }
3182 +
3183 +    // async with explicit executors
3184 +
3185 +    /**
3186 +     * thenRunAsync result completes normally after normal completion of source
3187 +     */
3188 +    public void testThenRunAsyncE() {
3189 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3190 +        Noop r = new Noop();
3191 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3192 +        f.complete(null);
3193 +        checkCompletedNormally(g, null);
3194 +
3195 +        // reordered version
3196 +        f = new CompletableFuture<>();
3197 +        f.complete(null);
3198 +        r = new Noop();
3199 +        g = f.thenRunAsync(r, new ThreadExecutor());
3200 +        checkCompletedNormally(g, null);
3201 +    }
3202 +
3203 +    /**
3204 +     * thenRunAsync result completes exceptionally after exceptional
3205 +     * completion of source
3206 +     */
3207 +    public void testThenRunAsync2E() {
3208 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3209 +        Noop r = new Noop();
3210 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3211 +        f.completeExceptionally(new CFException());
3212 +        try {
3213 +            g.join();
3214 +            shouldThrow();
3215 +        } catch (CompletionException success) {}
3216 +        checkCompletedWithWrappedCFException(g);
3217 +    }
3218 +
3219 +    /**
3220 +     * thenRunAsync result completes exceptionally if action does
3221 +     */
3222 +    public void testThenRunAsync3E() {
3223 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3224 +        FailingNoop r = new FailingNoop();
3225 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3226 +        f.complete(null);
3227 +        checkCompletedWithWrappedCFException(g);
3228 +    }
3229 +
3230 +    /**
3231 +     * thenRunAsync result completes exceptionally if source cancelled
3232 +     */
3233 +    public void testThenRunAsync4E() {
3234 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3235 +        Noop r = new Noop();
3236 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3237 +        assertTrue(f.cancel(true));
3238 +        checkCompletedWithWrappedCancellationException(g);
3239 +    }
3240 +
3241 +    /**
3242 +     * thenApplyAsync result completes normally after normal completion of source
3243 +     */
3244 +    public void testThenApplyAsyncE() {
3245 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3246 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3247 +        f.complete(one);
3248 +        checkCompletedNormally(g, two);
3249 +    }
3250 +
3251 +    /**
3252 +     * thenApplyAsync result completes exceptionally after exceptional
3253 +     * completion of source
3254 +     */
3255 +    public void testThenApplyAsync2E() {
3256 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3257 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3258 +        f.completeExceptionally(new CFException());
3259 +        checkCompletedWithWrappedCFException(g);
3260 +    }
3261 +
3262 +    /**
3263 +     * thenApplyAsync result completes exceptionally if action does
3264 +     */
3265 +    public void testThenApplyAsync3E() {
3266 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3267 +        FailingFunction r = new FailingFunction();
3268 +        CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3269 +        f.complete(null);
3270 +        checkCompletedWithWrappedCFException(g);
3271 +    }
3272 +
3273 +    /**
3274 +     * thenApplyAsync result completes exceptionally if source cancelled
3275 +     */
3276 +    public void testThenApplyAsync4E() {
3277 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3278 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3279 +        assertTrue(f.cancel(true));
3280 +        checkCompletedWithWrappedCancellationException(g);
3281 +    }
3282 +
3283 +    /**
3284 +     * thenAcceptAsync result completes normally after normal
3285 +     * completion of source
3286 +     */
3287 +    public void testThenAcceptAsyncE() {
3288 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3289 +        IncAction r = new IncAction();
3290 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3291 +        f.complete(one);
3292 +        checkCompletedNormally(g, null);
3293 +        assertEquals(r.value, (Integer) 2);
3294 +    }
3295 +
3296 +    /**
3297 +     * thenAcceptAsync result completes exceptionally after exceptional
3298 +     * completion of source
3299 +     */
3300 +    public void testThenAcceptAsync2E() {
3301 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3302 +        IncAction r = new IncAction();
3303 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3304 +        f.completeExceptionally(new CFException());
3305 +        checkCompletedWithWrappedCFException(g);
3306 +    }
3307 +
3308 +    /**
3309 +     * thenAcceptAsync result completes exceptionally if action does
3310 +     */
3311 +    public void testThenAcceptAsync3E() {
3312 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3313 +        FailingConsumer r = new FailingConsumer();
3314 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3315 +        f.complete(null);
3316 +        checkCompletedWithWrappedCFException(g);
3317 +    }
3318 +
3319 +    /**
3320 +     * thenAcceptAsync result completes exceptionally if source cancelled
3321 +     */
3322 +    public void testThenAcceptAsync4E() {
3323 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3324 +        IncAction r = new IncAction();
3325 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3326 +        assertTrue(f.cancel(true));
3327 +        checkCompletedWithWrappedCancellationException(g);
3328 +    }
3329 +
3330 +    // other static methods
3331 +
3332 +    /**
3333 +     * allOf(no component futures) returns a future completed normally
3334 +     * with the value null
3335 +     */
3336 +    public void testAllOf_empty() throws Exception {
3337 +        CompletableFuture<Void> f = CompletableFuture.allOf();
3338 +        checkCompletedNormally(f, null);
3339 +    }
3340 +
3341 +    /**
3342 +     * allOf returns a future completed normally with the value null
3343 +     * when all components complete normally
3344 +     */
3345 +    public void testAllOf_normal() throws Exception {
3346 +        for (int k = 1; k < 20; ++k) {
3347 +            CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3348 +            for (int i = 0; i < k; ++i)
3349 +                fs[i] = new CompletableFuture<>();
3350 +            CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3351 +            for (int i = 0; i < k; ++i) {
3352 +                checkIncomplete(f);
3353 +                checkIncomplete(CompletableFuture.allOf(fs));
3354 +                fs[i].complete(one);
3355 +            }
3356 +            checkCompletedNormally(f, null);
3357 +            checkCompletedNormally(CompletableFuture.allOf(fs), null);
3358 +        }
3359 +    }
3360 +
3361 +    /**
3362 +     * anyOf(no component futures) returns an incomplete future
3363 +     */
3364 +    public void testAnyOf_empty() throws Exception {
3365 +        CompletableFuture<Object> f = CompletableFuture.anyOf();
3366 +        checkIncomplete(f);
3367 +    }
3368 +
3369 +    /**
3370 +     * anyOf returns a future completed normally with a value when
3371 +     * a component future does
3372 +     */
3373 +    public void testAnyOf_normal() throws Exception {
3374 +        for (int k = 0; k < 10; ++k) {
3375 +            CompletableFuture[] fs = new CompletableFuture[k];
3376 +            for (int i = 0; i < k; ++i)
3377 +                fs[i] = new CompletableFuture<>();
3378 +            CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3379 +            checkIncomplete(f);
3380 +            for (int i = 0; i < k; ++i) {
3381 +                fs[i].complete(one);
3382 +                checkCompletedNormally(f, one);
3383 +                checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3384 +            }
3385 +        }
3386 +    }
3387 +
3388 +    /**
3389 +     * anyOf result completes exceptionally when any component does.
3390 +     */
3391 +    public void testAnyOf_exceptional() throws Exception {
3392 +        for (int k = 0; k < 10; ++k) {
3393 +            CompletableFuture[] fs = new CompletableFuture[k];
3394 +            for (int i = 0; i < k; ++i)
3395 +                fs[i] = new CompletableFuture<>();
3396 +            CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3397 +            checkIncomplete(f);
3398 +            for (int i = 0; i < k; ++i) {
3399 +                fs[i].completeExceptionally(new CFException());
3400 +                checkCompletedWithWrappedCFException(f);
3401 +                checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3402 +            }
3403 +        }
3404 +    }
3405 +
3406 +    /**
3407 +     * Completion methods throw NullPointerException with null arguments
3408 +     */
3409 +    public void testNPE() {
3410 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3411 +        CompletableFuture<Integer> g = new CompletableFuture<>();
3412 +        CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3413 +        CompletableFuture<?> h;
3414 +        ThreadExecutor exec = new ThreadExecutor();
3415 +
3416 +        Runnable[] throwingActions = {
3417 +            () -> CompletableFuture.supplyAsync(null),
3418 +            () -> CompletableFuture.supplyAsync(null, exec),
3419 +            () -> CompletableFuture.supplyAsync(supplyOne, null),
3420 +
3421 +            () -> CompletableFuture.runAsync(null),
3422 +            () -> CompletableFuture.runAsync(null, exec),
3423 +            () -> CompletableFuture.runAsync(() -> {}, null),
3424 +
3425 +            () -> f.completeExceptionally(null),
3426 +
3427 +            () -> f.thenApply(null),
3428 +            () -> f.thenApplyAsync(null),
3429 +            () -> f.thenApplyAsync((x) -> x, null),
3430 +            () -> f.thenApplyAsync(null, exec),
3431 +
3432 +            () -> f.thenAccept(null),
3433 +            () -> f.thenAcceptAsync(null),
3434 +            () -> f.thenAcceptAsync((x) -> {} , null),
3435 +            () -> f.thenAcceptAsync(null, exec),
3436 +
3437 +            () -> f.thenRun(null),
3438 +            () -> f.thenRunAsync(null),
3439 +            () -> f.thenRunAsync(() -> {} , null),
3440 +            () -> f.thenRunAsync(null, exec),
3441 +
3442 +            () -> f.thenCombine(g, null),
3443 +            () -> f.thenCombineAsync(g, null),
3444 +            () -> f.thenCombineAsync(g, null, exec),
3445 +            () -> f.thenCombine(nullFuture, (x, y) -> x),
3446 +            () -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3447 +            () -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3448 +            () -> f.thenCombineAsync(g, (x, y) -> x, null),
3449 +
3450 +            () -> f.thenAcceptBoth(g, null),
3451 +            () -> f.thenAcceptBothAsync(g, null),
3452 +            () -> f.thenAcceptBothAsync(g, null, exec),
3453 +            () -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3454 +            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3455 +            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3456 +            () -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3457 +
3458 +            () -> f.runAfterBoth(g, null),
3459 +            () -> f.runAfterBothAsync(g, null),
3460 +            () -> f.runAfterBothAsync(g, null, exec),
3461 +            () -> f.runAfterBoth(nullFuture, () -> {}),
3462 +            () -> f.runAfterBothAsync(nullFuture, () -> {}),
3463 +            () -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3464 +            () -> f.runAfterBothAsync(g, () -> {}, null),
3465 +
3466 +            () -> f.applyToEither(g, null),
3467 +            () -> f.applyToEitherAsync(g, null),
3468 +            () -> f.applyToEitherAsync(g, null, exec),
3469 +            () -> f.applyToEither(nullFuture, (x) -> x),
3470 +            () -> f.applyToEitherAsync(nullFuture, (x) -> x),
3471 +            () -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3472 +            () -> f.applyToEitherAsync(g, (x) -> x, null),
3473 +
3474 +            () -> f.acceptEither(g, null),
3475 +            () -> f.acceptEitherAsync(g, null),
3476 +            () -> f.acceptEitherAsync(g, null, exec),
3477 +            () -> f.acceptEither(nullFuture, (x) -> {}),
3478 +            () -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3479 +            () -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3480 +            () -> f.acceptEitherAsync(g, (x) -> {}, null),
3481 +
3482 +            () -> f.runAfterEither(g, null),
3483 +            () -> f.runAfterEitherAsync(g, null),
3484 +            () -> f.runAfterEitherAsync(g, null, exec),
3485 +            () -> f.runAfterEither(nullFuture, () -> {}),
3486 +            () -> f.runAfterEitherAsync(nullFuture, () -> {}),
3487 +            () -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3488 +            () -> f.runAfterEitherAsync(g, () -> {}, null),
3489 +
3490 +            () -> f.thenCompose(null),
3491 +            () -> f.thenComposeAsync(null),
3492 +            () -> f.thenComposeAsync(new CompletableFutureInc(), null),
3493 +            () -> f.thenComposeAsync(null, exec),
3494 +
3495 +            () -> f.exceptionally(null),
3496 +
3497 +            () -> f.handle(null),
3498 +
3499 +            () -> CompletableFuture.allOf((CompletableFuture<?>)null),
3500 +            () -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3501 +            () -> CompletableFuture.allOf(f, null),
3502 +            () -> CompletableFuture.allOf(null, f),
3503 +
3504 +            () -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3505 +            () -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3506 +            () -> CompletableFuture.anyOf(f, null),
3507 +            () -> CompletableFuture.anyOf(null, f),
3508 +
3509 +            () -> f.obtrudeException(null),
3510 +        };
3511 +
3512 +        assertThrows(NullPointerException.class, throwingActions);
3513 +        assertEquals(0, exec.count.get());
3514 +    }
3515 +
3516 +    /**
3517 +     * toCompletableFuture returns this CompletableFuture.
3518 +     */
3519 +    public void testToCompletableFuture() {
3520 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3521 +        assertSame(f, f.toCompletableFuture());
3522 +    }
3523 +
3524 +    /**
3525 +     * whenComplete action executes on normal completion, propagating
3526 +     * source result.
3527 +     */
3528 +    public void testWhenComplete_normalCompletion1() {
3529 +        for (ExecutionMode m : ExecutionMode.values())
3530 +        for (boolean createIncomplete : new boolean[] { true, false })
3531 +        for (Integer v1 : new Integer[] { 1, null })
3532 +    {
3533 +        final AtomicInteger a = new AtomicInteger(0);
3534 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3535 +        if (!createIncomplete) f.complete(v1);
3536 +        final CompletableFuture<Integer> g = m.whenComplete
3537 +            (f,
3538 +             (Integer x, Throwable t) -> {
3539 +                threadAssertSame(x, v1);
3540 +                threadAssertNull(t);
3541 +                a.getAndIncrement();
3542 +            });
3543 +        if (createIncomplete) f.complete(v1);
3544 +
3545 +        checkCompletedNormally(g, v1);
3546 +        checkCompletedNormally(f, v1);
3547 +        assertEquals(1, a.get());
3548 +    }}
3549 +
3550 +    /**
3551 +     * whenComplete action executes on exceptional completion, propagating
3552 +     * source result.
3553 +     */
3554 +    public void testWhenComplete_exceptionalCompletion() {
3555 +        for (ExecutionMode m : ExecutionMode.values())
3556 +        for (boolean createIncomplete : new boolean[] { true, false })
3557 +        for (Integer v1 : new Integer[] { 1, null })
3558 +    {
3559 +        final AtomicInteger a = new AtomicInteger(0);
3560 +        final CFException ex = new CFException();
3561 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3562 +        if (!createIncomplete) f.completeExceptionally(ex);
3563 +        final CompletableFuture<Integer> g = m.whenComplete
3564 +            (f,
3565 +             (Integer x, Throwable t) -> {
3566 +                threadAssertNull(x);
3567 +                threadAssertSame(t, ex);
3568 +                a.getAndIncrement();
3569 +            });
3570 +        if (createIncomplete) f.completeExceptionally(ex);
3571 +        checkCompletedWithWrappedCFException(f, ex);
3572 +        checkCompletedWithWrappedCFException(g, ex);
3573 +        assertEquals(1, a.get());
3574 +    }}
3575 +
3576 +    /**
3577 +     * whenComplete action executes on cancelled source, propagating
3578 +     * CancellationException.
3579 +     */
3580 +    public void testWhenComplete_sourceCancelled() {
3581 +        for (ExecutionMode m : ExecutionMode.values())
3582 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3583 +        for (boolean createIncomplete : new boolean[] { true, false })
3584 +    {
3585 +        final AtomicInteger a = new AtomicInteger(0);
3586 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3587 +        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3588 +        final CompletableFuture<Integer> g = m.whenComplete
3589 +            (f,
3590 +             (Integer x, Throwable t) -> {
3591 +                threadAssertNull(x);
3592 +                threadAssertTrue(t instanceof CancellationException);
3593 +                a.getAndIncrement();
3594 +            });
3595 +        if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3596 +
3597 +        //try { g.join(); } catch (Throwable t) { throw new Error(t); }
3598 +        checkCompletedWithWrappedCancellationException(g);
3599 +        checkCancelled(f);
3600 +        assertEquals(1, a.get());
3601 +    }}
3602 +
3603 +    /**
3604 +     * If a whenComplete action throws an exception when triggered by
3605 +     * a normal completion, it completes exceptionally
3606 +     */
3607 +    public void testWhenComplete_actionFailed() {
3608 +        for (boolean createIncomplete : new boolean[] { true, false })
3609 +        for (ExecutionMode m : ExecutionMode.values())
3610 +        for (Integer v1 : new Integer[] { 1, null }) {
3611 +
3612 +        final AtomicInteger a = new AtomicInteger(0);
3613 +        final CFException ex = new CFException();
3614 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3615 +        if (!createIncomplete) f.complete(v1);
3616 +        final CompletableFuture<Integer> g = m.whenComplete
3617 +            (f,
3618 +             (Integer x, Throwable t) -> {
3619 +                threadAssertSame(x, v1);
3620 +                threadAssertNull(t);
3621 +                a.getAndIncrement();
3622 +                throw ex;
3623 +            });
3624 +        if (createIncomplete) f.complete(v1);
3625 +        checkCompletedNormally(f, v1);
3626 +        checkCompletedWithWrappedCFException(g, ex);
3627 +        assertEquals(1, a.get());
3628 +        }
3629 +    }
3630 +
3631 +    /**
3632 +     * If a whenComplete action throws an exception when triggered by
3633 +     * a source completion that also throws an exception, the source
3634 +     * exception takes precedence.
3635 +     */
3636 +    public void testWhenComplete_actionFailedSourceFailed() {
3637 +        for (boolean createIncomplete : new boolean[] { true, false })
3638 +        for (ExecutionMode m : ExecutionMode.values())
3639 +        for (Integer v1 : new Integer[] { 1, null }) {
3640 +
3641 +        final AtomicInteger a = new AtomicInteger(0);
3642 +        final CFException ex1 = new CFException();
3643 +        final CFException ex2 = new CFException();
3644 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3645 +
3646 +        if (!createIncomplete) f.completeExceptionally(ex1);
3647 +        final CompletableFuture<Integer> g = m.whenComplete
3648 +            (f,
3649 +             (Integer x, Throwable t) -> {
3650 +                threadAssertSame(t, ex1);
3651 +                threadAssertNull(x);
3652 +                a.getAndIncrement();
3653 +                throw ex2;
3654 +            });
3655 +        if (createIncomplete) f.completeExceptionally(ex1);
3656 +
3657 +        checkCompletedWithWrappedCFException(f, ex1);
3658 +        checkCompletedWithWrappedCFException(g, ex1);
3659 +        assertEquals(1, a.get());
3660 +        }
3661 +    }
3662 +
3663   }

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