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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.30 by jsr166, Mon Jul 22 18:25:42 2013 UTC vs.
Revision 1.68 by jsr166, Fri Jun 6 19:35:54 2014 UTC

# Line 16 | Line 16 | import java.util.concurrent.ExecutionExc
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.ForkJoinPool;
21 + import java.util.concurrent.ForkJoinTask;
22   import java.util.concurrent.TimeoutException;
23   import java.util.concurrent.atomic.AtomicInteger;
24   import static java.util.concurrent.TimeUnit.MILLISECONDS;
# Line 102 | Line 105 | public class CompletableFutureTest exten
105          assertTrue(f.toString().contains("[Completed exceptionally]"));
106      }
107  
108 +    void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
109 +                                              CFException ex) {
110 +        try {
111 +            f.get(LONG_DELAY_MS, MILLISECONDS);
112 +            shouldThrow();
113 +        } catch (ExecutionException success) {
114 +            assertSame(ex, success.getCause());
115 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
116 +        try {
117 +            f.join();
118 +            shouldThrow();
119 +        } catch (CompletionException success) {
120 +            assertSame(ex, success.getCause());
121 +        }
122 +        try {
123 +            f.getNow(null);
124 +            shouldThrow();
125 +        } catch (CompletionException success) {
126 +            assertSame(ex, success.getCause());
127 +        }
128 +        try {
129 +            f.get();
130 +            shouldThrow();
131 +        } catch (ExecutionException success) {
132 +            assertSame(ex, success.getCause());
133 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
134 +        assertTrue(f.isDone());
135 +        assertFalse(f.isCancelled());
136 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
137 +    }
138 +
139      void checkCancelled(CompletableFuture<?> f) {
140          try {
141              f.get(LONG_DELAY_MS, MILLISECONDS);
# Line 215 | Line 249 | public class CompletableFutureTest exten
249          f = new CompletableFuture<>();
250          f.obtrudeValue(three);
251          checkCompletedNormally(f, three);
252 +        f.obtrudeValue(null);
253 +        checkCompletedNormally(f, null);
254          f = new CompletableFuture<>();
255          f.completeExceptionally(new CFException());
256          f.obtrudeValue(four);
# Line 247 | Line 283 | public class CompletableFutureTest exten
283       */
284      public void testGetNumberOfDependents() {
285          CompletableFuture<Integer> f = new CompletableFuture<>();
286 <        assertEquals(f.getNumberOfDependents(), 0);
287 <        CompletableFuture g = f.thenRun(new Noop());
288 <        assertEquals(f.getNumberOfDependents(), 1);
289 <        assertEquals(g.getNumberOfDependents(), 0);
290 <        CompletableFuture h = f.thenRun(new Noop());
291 <        assertEquals(f.getNumberOfDependents(), 2);
286 >        assertEquals(0, f.getNumberOfDependents());
287 >        CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
288 >        assertEquals(1, f.getNumberOfDependents());
289 >        assertEquals(0, g.getNumberOfDependents());
290 >        CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
291 >        assertEquals(2, f.getNumberOfDependents());
292          f.complete(1);
293          checkCompletedNormally(g, null);
294 <        assertEquals(f.getNumberOfDependents(), 0);
295 <        assertEquals(g.getNumberOfDependents(), 0);
294 >        assertEquals(0, f.getNumberOfDependents());
295 >        assertEquals(0, g.getNumberOfDependents());
296      }
297  
298      /**
# Line 284 | Line 320 | public class CompletableFutureTest exten
320          checkCompletedNormally(f, "test");
321      }
322  
323 <    // Choose non-commutative actions for better coverage
323 >    abstract class CheckedAction {
324 >        int invocationCount = 0;
325 >        final ExecutionMode m;
326 >        CheckedAction(ExecutionMode m) { this.m = m; }
327 >        void invoked() {
328 >            m.checkExecutionMode();
329 >            assertEquals(0, invocationCount++);
330 >        }
331 >        void assertNotInvoked() { assertEquals(0, invocationCount); }
332 >        void assertInvoked() { assertEquals(1, invocationCount); }
333 >    }
334 >
335 >    abstract class CheckedIntegerAction extends CheckedAction {
336 >        Integer value;
337 >        CheckedIntegerAction(ExecutionMode m) { super(m); }
338 >        void assertValue(Integer expected) {
339 >            assertInvoked();
340 >            assertEquals(expected, value);
341 >        }
342 >    }
343 >
344 >    class IntegerSupplier extends CheckedAction
345 >        implements Supplier<Integer>
346 >    {
347 >        final Integer value;
348 >        IntegerSupplier(ExecutionMode m, Integer value) {
349 >            super(m);
350 >            this.value = value;
351 >        }
352 >        public Integer get() {
353 >            invoked();
354 >            return value;
355 >        }
356 >    }
357  
358 <    static final Supplier<Integer> supplyOne =
359 <        () -> Integer.valueOf(1);
360 <    static final Function<Integer, Integer> inc =
292 <        (Integer x) -> Integer.valueOf(x.intValue() + 1);
293 <    static final BiFunction<Integer, Integer, Integer> subtract =
294 <        (Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
295 <    static final class IncAction implements Consumer<Integer> {
296 <        int value;
297 <        public void accept(Integer x) { value = x.intValue() + 1; }
358 >    // A function that handles and produces null values as well.
359 >    static Integer inc(Integer x) {
360 >        return (x == null) ? null : x + 1;
361      }
362 <    static final class SubtractAction implements BiConsumer<Integer, Integer> {
363 <        int value;
362 >
363 >    class NoopConsumer extends CheckedIntegerAction
364 >        implements Consumer<Integer>
365 >    {
366 >        NoopConsumer(ExecutionMode m) { super(m); }
367 >        public void accept(Integer x) {
368 >            invoked();
369 >            value = x;
370 >        }
371 >    }
372 >
373 >    class IncFunction extends CheckedIntegerAction
374 >        implements Function<Integer,Integer>
375 >    {
376 >        IncFunction(ExecutionMode m) { super(m); }
377 >        public Integer apply(Integer x) {
378 >            invoked();
379 >            return value = inc(x);
380 >        }
381 >    }
382 >
383 >    // Choose non-commutative actions for better coverage
384 >    // A non-commutative function that handles and produces null values as well.
385 >    static Integer subtract(Integer x, Integer y) {
386 >        return (x == null && y == null) ? null :
387 >            ((x == null) ? 42 : x.intValue())
388 >            - ((y == null) ? 99 : y.intValue());
389 >    }
390 >
391 >    class SubtractAction extends CheckedIntegerAction
392 >        implements BiConsumer<Integer, Integer>
393 >    {
394 >        SubtractAction(ExecutionMode m) { super(m); }
395          public void accept(Integer x, Integer y) {
396 <            value = x.intValue() - y.intValue();
396 >            invoked();
397 >            value = subtract(x, y);
398          }
399      }
400 <    static final class Noop implements Runnable {
401 <        boolean ran;
402 <        public void run() { ran = true; }
400 >
401 >    class SubtractFunction extends CheckedIntegerAction
402 >        implements BiFunction<Integer, Integer, Integer>
403 >    {
404 >        SubtractFunction(ExecutionMode m) { super(m); }
405 >        public Integer apply(Integer x, Integer y) {
406 >            invoked();
407 >            return value = subtract(x, y);
408 >        }
409      }
410  
411 <    static final class FailingSupplier implements Supplier<Integer> {
412 <        boolean ran;
413 <        public Integer get() { ran = true; throw new CFException(); }
411 >    class Noop extends CheckedAction implements Runnable {
412 >        Noop(ExecutionMode m) { super(m); }
413 >        public void run() {
414 >            invoked();
415 >        }
416      }
417 <    static final class FailingConsumer implements Consumer<Integer> {
418 <        boolean ran;
419 <        public void accept(Integer x) { ran = true; throw new CFException(); }
417 >
418 >    class FailingSupplier extends CheckedAction
419 >        implements Supplier<Integer>
420 >    {
421 >        FailingSupplier(ExecutionMode m) { super(m); }
422 >        public Integer get() {
423 >            invoked();
424 >            throw new CFException();
425 >        }
426      }
427 <    static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
428 <        boolean ran;
429 <        public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
427 >
428 >    class FailingConsumer extends CheckedIntegerAction
429 >        implements Consumer<Integer>
430 >    {
431 >        FailingConsumer(ExecutionMode m) { super(m); }
432 >        public void accept(Integer x) {
433 >            invoked();
434 >            value = x;
435 >            throw new CFException();
436 >        }
437      }
438 <    static final class FailingFunction implements Function<Integer, Integer> {
439 <        boolean ran;
440 <        public Integer apply(Integer x) { ran = true; throw new CFException(); }
438 >
439 >    class FailingBiConsumer extends CheckedIntegerAction
440 >        implements BiConsumer<Integer, Integer>
441 >    {
442 >        FailingBiConsumer(ExecutionMode m) { super(m); }
443 >        public void accept(Integer x, Integer y) {
444 >            invoked();
445 >            value = subtract(x, y);
446 >            throw new CFException();
447 >        }
448      }
449 <    static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
450 <        boolean ran;
451 <        public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
449 >
450 >    class FailingFunction extends CheckedIntegerAction
451 >        implements Function<Integer, Integer>
452 >    {
453 >        FailingFunction(ExecutionMode m) { super(m); }
454 >        public Integer apply(Integer x) {
455 >            invoked();
456 >            value = x;
457 >            throw new CFException();
458 >        }
459      }
460 <    static final class FailingNoop implements Runnable {
461 <        boolean ran;
462 <        public void run() { ran = true; throw new CFException(); }
460 >
461 >    class FailingBiFunction extends CheckedIntegerAction
462 >        implements BiFunction<Integer, Integer, Integer>
463 >    {
464 >        FailingBiFunction(ExecutionMode m) { super(m); }
465 >        public Integer apply(Integer x, Integer y) {
466 >            invoked();
467 >            value = subtract(x, y);
468 >            throw new CFException();
469 >        }
470 >    }
471 >
472 >    class FailingRunnable extends CheckedAction implements Runnable {
473 >        FailingRunnable(ExecutionMode m) { super(m); }
474 >        public void run() {
475 >            invoked();
476 >            throw new CFException();
477 >        }
478      }
479  
480 <    static final class CompletableFutureInc
481 <        implements Function<Integer, CompletableFuture<Integer>> {
482 <        boolean ran;
480 >
481 >    class CompletableFutureInc extends CheckedIntegerAction
482 >        implements Function<Integer, CompletableFuture<Integer>>
483 >    {
484 >        CompletableFutureInc(ExecutionMode m) { super(m); }
485          public CompletableFuture<Integer> apply(Integer x) {
486 <            ran = true;
486 >            invoked();
487 >            value = x;
488              CompletableFuture<Integer> f = new CompletableFuture<>();
489 <            f.complete(Integer.valueOf(x.intValue() + 1));
489 >            f.complete(inc(x));
490              return f;
491          }
492      }
493  
494 <    static final class FailingCompletableFutureFunction
495 <        implements Function<Integer, CompletableFuture<Integer>> {
496 <        boolean ran;
494 >    class FailingCompletableFutureFunction extends CheckedIntegerAction
495 >        implements Function<Integer, CompletableFuture<Integer>>
496 >    {
497 >        FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
498          public CompletableFuture<Integer> apply(Integer x) {
499 <            ran = true; throw new CFException();
499 >            invoked();
500 >            value = x;
501 >            throw new CFException();
502          }
503      }
504  
505      // Used for explicit executor tests
506      static final class ThreadExecutor implements Executor {
507 <        AtomicInteger count = new AtomicInteger(0);
507 >        final AtomicInteger count = new AtomicInteger(0);
508 >        static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
509 >        static boolean startedCurrentThread() {
510 >            return Thread.currentThread().getThreadGroup() == tg;
511 >        }
512  
513          public void execute(Runnable r) {
514              count.getAndIncrement();
515 <            new Thread(r).start();
515 >            new Thread(tg, r).start();
516          }
517      }
518  
519 <    static final class ExceptionToInteger implements Function<Throwable, Integer> {
520 <        public Integer apply(Throwable x) { return Integer.valueOf(3); }
521 <    }
519 >    /**
520 >     * Permits the testing of parallel code for the 3 different
521 >     * execution modes without copy/pasting all the test methods.
522 >     */
523 >    enum ExecutionMode {
524 >        DEFAULT {
525 >            public void checkExecutionMode() {
526 >                assertFalse(ThreadExecutor.startedCurrentThread());
527 >                assertNull(ForkJoinTask.getPool());
528 >            }
529 >            public CompletableFuture<Void> runAsync(Runnable a) {
530 >                throw new UnsupportedOperationException();
531 >            }
532 >            public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
533 >                throw new UnsupportedOperationException();
534 >            }
535 >            public <T> CompletableFuture<Void> thenRun
536 >                (CompletableFuture<T> f, Runnable a) {
537 >                return f.thenRun(a);
538 >            }
539 >            public <T> CompletableFuture<Void> thenAccept
540 >                (CompletableFuture<T> f, Consumer<? super T> a) {
541 >                return f.thenAccept(a);
542 >            }
543 >            public <T,U> CompletableFuture<U> thenApply
544 >                (CompletableFuture<T> f, Function<? super T,U> a) {
545 >                return f.thenApply(a);
546 >            }
547 >            public <T,U> CompletableFuture<U> thenCompose
548 >                (CompletableFuture<T> f,
549 >                 Function<? super T,? extends CompletionStage<U>> a) {
550 >                return f.thenCompose(a);
551 >            }
552 >            public <T,U> CompletableFuture<U> handle
553 >                (CompletableFuture<T> f,
554 >                 BiFunction<? super T,Throwable,? extends U> a) {
555 >                return f.handle(a);
556 >            }
557 >            public <T> CompletableFuture<T> whenComplete
558 >                (CompletableFuture<T> f,
559 >                 BiConsumer<? super T,? super Throwable> a) {
560 >                return f.whenComplete(a);
561 >            }
562 >            public <T,U> CompletableFuture<Void> runAfterBoth
563 >                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
564 >                return f.runAfterBoth(g, a);
565 >            }
566 >            public <T,U> CompletableFuture<Void> thenAcceptBoth
567 >                (CompletableFuture<T> f,
568 >                 CompletionStage<? extends U> g,
569 >                 BiConsumer<? super T,? super U> a) {
570 >                return f.thenAcceptBoth(g, a);
571 >            }
572 >            public <T,U,V> CompletableFuture<V> thenCombine
573 >                (CompletableFuture<T> f,
574 >                 CompletionStage<? extends U> g,
575 >                 BiFunction<? super T,? super U,? extends V> a) {
576 >                return f.thenCombine(g, a);
577 >            }
578 >            public <T> CompletableFuture<Void> runAfterEither
579 >                (CompletableFuture<T> f,
580 >                 CompletionStage<?> g,
581 >                 java.lang.Runnable a) {
582 >                return f.runAfterEither(g, a);
583 >            }
584 >            public <T> CompletableFuture<Void> acceptEither
585 >                (CompletableFuture<T> f,
586 >                 CompletionStage<? extends T> g,
587 >                 Consumer<? super T> a) {
588 >                return f.acceptEither(g, a);
589 >            }
590 >            public <T,U> CompletableFuture<U> applyToEither
591 >                (CompletableFuture<T> f,
592 >                 CompletionStage<? extends T> g,
593 >                 Function<? super T,U> a) {
594 >                return f.applyToEither(g, a);
595 >            }
596 >        },
597 >
598 >        ASYNC {
599 >            public void checkExecutionMode() {
600 >                assertSame(ForkJoinPool.commonPool(),
601 >                           ForkJoinTask.getPool());
602 >            }
603 >            public CompletableFuture<Void> runAsync(Runnable a) {
604 >                return CompletableFuture.runAsync(a);
605 >            }
606 >            public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
607 >                return CompletableFuture.supplyAsync(a);
608 >            }
609 >            public <T> CompletableFuture<Void> thenRun
610 >                (CompletableFuture<T> f, Runnable a) {
611 >                return f.thenRunAsync(a);
612 >            }
613 >            public <T> CompletableFuture<Void> thenAccept
614 >                (CompletableFuture<T> f, Consumer<? super T> a) {
615 >                return f.thenAcceptAsync(a);
616 >            }
617 >            public <T,U> CompletableFuture<U> thenApply
618 >                (CompletableFuture<T> f, Function<? super T,U> a) {
619 >                return f.thenApplyAsync(a);
620 >            }
621 >            public <T,U> CompletableFuture<U> thenCompose
622 >                (CompletableFuture<T> f,
623 >                 Function<? super T,? extends CompletionStage<U>> a) {
624 >                return f.thenComposeAsync(a);
625 >            }
626 >            public <T,U> CompletableFuture<U> handle
627 >                (CompletableFuture<T> f,
628 >                 BiFunction<? super T,Throwable,? extends U> a) {
629 >                return f.handleAsync(a);
630 >            }
631 >            public <T> CompletableFuture<T> whenComplete
632 >                (CompletableFuture<T> f,
633 >                 BiConsumer<? super T,? super Throwable> a) {
634 >                return f.whenCompleteAsync(a);
635 >            }
636 >            public <T,U> CompletableFuture<Void> runAfterBoth
637 >                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
638 >                return f.runAfterBothAsync(g, a);
639 >            }
640 >            public <T,U> CompletableFuture<Void> thenAcceptBoth
641 >                (CompletableFuture<T> f,
642 >                 CompletionStage<? extends U> g,
643 >                 BiConsumer<? super T,? super U> a) {
644 >                return f.thenAcceptBothAsync(g, a);
645 >            }
646 >            public <T,U,V> CompletableFuture<V> thenCombine
647 >                (CompletableFuture<T> f,
648 >                 CompletionStage<? extends U> g,
649 >                 BiFunction<? super T,? super U,? extends V> a) {
650 >                return f.thenCombineAsync(g, a);
651 >            }
652 >            public <T> CompletableFuture<Void> runAfterEither
653 >                (CompletableFuture<T> f,
654 >                 CompletionStage<?> g,
655 >                 java.lang.Runnable a) {
656 >                return f.runAfterEitherAsync(g, a);
657 >            }
658 >            public <T> CompletableFuture<Void> acceptEither
659 >                (CompletableFuture<T> f,
660 >                 CompletionStage<? extends T> g,
661 >                 Consumer<? super T> a) {
662 >                return f.acceptEitherAsync(g, a);
663 >            }
664 >            public <T,U> CompletableFuture<U> applyToEither
665 >                (CompletableFuture<T> f,
666 >                 CompletionStage<? extends T> g,
667 >                 Function<? super T,U> a) {
668 >                return f.applyToEitherAsync(g, a);
669 >            }
670 >        },
671 >
672 >        EXECUTOR {
673 >            public void checkExecutionMode() {
674 >                assertTrue(ThreadExecutor.startedCurrentThread());
675 >            }
676 >            public CompletableFuture<Void> runAsync(Runnable a) {
677 >                return CompletableFuture.runAsync(a, new ThreadExecutor());
678 >            }
679 >            public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
680 >                return CompletableFuture.supplyAsync(a, new ThreadExecutor());
681 >            }
682 >            public <T> CompletableFuture<Void> thenRun
683 >                (CompletableFuture<T> f, Runnable a) {
684 >                return f.thenRunAsync(a, new ThreadExecutor());
685 >            }
686 >            public <T> CompletableFuture<Void> thenAccept
687 >                (CompletableFuture<T> f, Consumer<? super T> a) {
688 >                return f.thenAcceptAsync(a, new ThreadExecutor());
689 >            }
690 >            public <T,U> CompletableFuture<U> thenApply
691 >                (CompletableFuture<T> f, Function<? super T,U> a) {
692 >                return f.thenApplyAsync(a, new ThreadExecutor());
693 >            }
694 >            public <T,U> CompletableFuture<U> thenCompose
695 >                (CompletableFuture<T> f,
696 >                 Function<? super T,? extends CompletionStage<U>> a) {
697 >                return f.thenComposeAsync(a, new ThreadExecutor());
698 >            }
699 >            public <T,U> CompletableFuture<U> handle
700 >                (CompletableFuture<T> f,
701 >                 BiFunction<? super T,Throwable,? extends U> a) {
702 >                return f.handleAsync(a, new ThreadExecutor());
703 >            }
704 >            public <T> CompletableFuture<T> whenComplete
705 >                (CompletableFuture<T> f,
706 >                 BiConsumer<? super T,? super Throwable> a) {
707 >                return f.whenCompleteAsync(a, new ThreadExecutor());
708 >            }
709 >            public <T,U> CompletableFuture<Void> runAfterBoth
710 >                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
711 >                return f.runAfterBothAsync(g, a, new ThreadExecutor());
712 >            }
713 >            public <T,U> CompletableFuture<Void> thenAcceptBoth
714 >                (CompletableFuture<T> f,
715 >                 CompletionStage<? extends U> g,
716 >                 BiConsumer<? super T,? super U> a) {
717 >                return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
718 >            }
719 >            public <T,U,V> CompletableFuture<V> thenCombine
720 >                (CompletableFuture<T> f,
721 >                 CompletionStage<? extends U> g,
722 >                 BiFunction<? super T,? super U,? extends V> a) {
723 >                return f.thenCombineAsync(g, a, new ThreadExecutor());
724 >            }
725 >            public <T> CompletableFuture<Void> runAfterEither
726 >                (CompletableFuture<T> f,
727 >                 CompletionStage<?> g,
728 >                 java.lang.Runnable a) {
729 >                return f.runAfterEitherAsync(g, a, new ThreadExecutor());
730 >            }
731 >            public <T> CompletableFuture<Void> acceptEither
732 >                (CompletableFuture<T> f,
733 >                 CompletionStage<? extends T> g,
734 >                 Consumer<? super T> a) {
735 >                return f.acceptEitherAsync(g, a, new ThreadExecutor());
736 >            }
737 >            public <T,U> CompletableFuture<U> applyToEither
738 >                (CompletableFuture<T> f,
739 >                 CompletionStage<? extends T> g,
740 >                 Function<? super T,U> a) {
741 >                return f.applyToEitherAsync(g, a, new ThreadExecutor());
742 >            }
743 >        };
744 >
745 >        public abstract void checkExecutionMode();
746 >        public abstract CompletableFuture<Void> runAsync(Runnable a);
747 >        public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
748 >        public abstract <T> CompletableFuture<Void> thenRun
749 >            (CompletableFuture<T> f, Runnable a);
750 >        public abstract <T> CompletableFuture<Void> thenAccept
751 >            (CompletableFuture<T> f, Consumer<? super T> a);
752 >        public abstract <T,U> CompletableFuture<U> thenApply
753 >            (CompletableFuture<T> f, Function<? super T,U> a);
754 >        public abstract <T,U> CompletableFuture<U> thenCompose
755 >            (CompletableFuture<T> f,
756 >             Function<? super T,? extends CompletionStage<U>> a);
757 >        public abstract <T,U> CompletableFuture<U> handle
758 >            (CompletableFuture<T> f,
759 >             BiFunction<? super T,Throwable,? extends U> a);
760 >        public abstract <T> CompletableFuture<T> whenComplete
761 >            (CompletableFuture<T> f,
762 >             BiConsumer<? super T,? super Throwable> a);
763 >        public abstract <T,U> CompletableFuture<Void> runAfterBoth
764 >            (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
765 >        public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
766 >            (CompletableFuture<T> f,
767 >             CompletionStage<? extends U> g,
768 >             BiConsumer<? super T,? super U> a);
769 >        public abstract <T,U,V> CompletableFuture<V> thenCombine
770 >            (CompletableFuture<T> f,
771 >             CompletionStage<? extends U> g,
772 >             BiFunction<? super T,? super U,? extends V> a);
773 >        public abstract <T> CompletableFuture<Void> runAfterEither
774 >            (CompletableFuture<T> f,
775 >             CompletionStage<?> g,
776 >             java.lang.Runnable a);
777 >        public abstract <T> CompletableFuture<Void> acceptEither
778 >            (CompletableFuture<T> f,
779 >             CompletionStage<? extends T> g,
780 >             Consumer<? super T> a);
781 >        public abstract <T,U> CompletableFuture<U> applyToEither
782 >            (CompletableFuture<T> f,
783 >             CompletionStage<? extends T> g,
784 >             Function<? super T,U> a);
785 >    }
786 >
787 >    /**
788 >     * exceptionally action is not invoked when source completes
789 >     * normally, and source result is propagated
790 >     */
791 >    public void testExceptionally_normalCompletion() {
792 >        for (boolean createIncomplete : new boolean[] { true, false })
793 >        for (Integer v1 : new Integer[] { 1, null })
794 >    {
795 >        final AtomicInteger a = new AtomicInteger(0);
796 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
797 >        if (!createIncomplete) f.complete(v1);
798 >        final CompletableFuture<Integer> g = f.exceptionally
799 >            ((Throwable t) -> {
800 >                // Should not be called
801 >                a.getAndIncrement();
802 >                throw new AssertionError();
803 >            });
804 >        if (createIncomplete) f.complete(v1);
805 >
806 >        checkCompletedNormally(g, v1);
807 >        checkCompletedNormally(f, v1);
808 >        assertEquals(0, a.get());
809 >    }}
810  
368    static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
369        boolean ran;
370        public Integer apply(Integer x, Throwable t) {
371            ran = true;
372            return (t == null) ? two : three;
373        }
374    }
811  
812      /**
813       * exceptionally action completes with function value on source
814 <     * exception; otherwise with source value
814 >     * exception
815       */
816 <    public void testExceptionally() {
817 <        CompletableFuture<Integer> f = new CompletableFuture<>();
818 <        ExceptionToInteger r = new ExceptionToInteger();
819 <        CompletableFuture<Integer> g = f.exceptionally(r);
820 <        f.completeExceptionally(new CFException());
821 <        checkCompletedNormally(g, three);
822 <
823 <        f = new CompletableFuture<>();
824 <        r = new ExceptionToInteger();
825 <        g = f.exceptionally(r);
826 <        f.complete(one);
827 <        checkCompletedNormally(g, one);
828 <    }
816 >    public void testExceptionally_exceptionalCompletion() {
817 >        for (boolean createIncomplete : new boolean[] { true, false })
818 >        for (Integer v1 : new Integer[] { 1, null })
819 >    {
820 >        final AtomicInteger a = new AtomicInteger(0);
821 >        final CFException ex = new CFException();
822 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
823 >        if (!createIncomplete) f.completeExceptionally(ex);
824 >        final CompletableFuture<Integer> g = f.exceptionally
825 >            ((Throwable t) -> {
826 >                ExecutionMode.DEFAULT.checkExecutionMode();
827 >                threadAssertSame(t, ex);
828 >                a.getAndIncrement();
829 >                return v1;
830 >            });
831 >        if (createIncomplete) f.completeExceptionally(ex);
832 >
833 >        checkCompletedNormally(g, v1);
834 >        assertEquals(1, a.get());
835 >    }}
836 >
837 >    public void testExceptionally_exceptionalCompletionActionFailed() {
838 >        for (boolean createIncomplete : new boolean[] { true, false })
839 >        for (Integer v1 : new Integer[] { 1, null })
840 >    {
841 >        final AtomicInteger a = new AtomicInteger(0);
842 >        final CFException ex1 = new CFException();
843 >        final CFException ex2 = new CFException();
844 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
845 >        if (!createIncomplete) f.completeExceptionally(ex1);
846 >        final CompletableFuture<Integer> g = f.exceptionally
847 >            ((Throwable t) -> {
848 >                ExecutionMode.DEFAULT.checkExecutionMode();
849 >                threadAssertSame(t, ex1);
850 >                a.getAndIncrement();
851 >                throw ex2;
852 >            });
853 >        if (createIncomplete) f.completeExceptionally(ex1);
854 >
855 >        checkCompletedWithWrappedCFException(g, ex2);
856 >        assertEquals(1, a.get());
857 >    }}
858 >
859 >    /**
860 >     * handle action completes normally with function value on normal
861 >     * completion of source
862 >     */
863 >    public void testHandle_normalCompletion() {
864 >        for (ExecutionMode m : ExecutionMode.values())
865 >        for (boolean createIncomplete : new boolean[] { true, false })
866 >        for (Integer v1 : new Integer[] { 1, null })
867 >    {
868 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
869 >        final AtomicInteger a = new AtomicInteger(0);
870 >        if (!createIncomplete) f.complete(v1);
871 >        final CompletableFuture<Integer> g = m.handle
872 >            (f,
873 >             (Integer x, Throwable t) -> {
874 >                m.checkExecutionMode();
875 >                threadAssertSame(x, v1);
876 >                threadAssertNull(t);
877 >                a.getAndIncrement();
878 >                return inc(v1);
879 >            });
880 >        if (createIncomplete) f.complete(v1);
881 >
882 >        checkCompletedNormally(g, inc(v1));
883 >        checkCompletedNormally(f, v1);
884 >        assertEquals(1, a.get());
885 >    }}
886  
887      /**
888 <     * handle action completes normally with function value on either
889 <     * normal or exceptional completion of source
888 >     * handle action completes normally with function value on
889 >     * exceptional completion of source
890       */
891 <    public void testHandle() {
892 <        CompletableFuture<Integer> f, g;
893 <        IntegerHandler r;
894 <
895 <        f = new CompletableFuture<>();
896 <        f.completeExceptionally(new CFException());
897 <        g = f.handle(r = new IntegerHandler());
898 <        assertTrue(r.ran);
899 <        checkCompletedNormally(g, three);
891 >    public void testHandle_exceptionalCompletion() {
892 >        for (ExecutionMode m : ExecutionMode.values())
893 >        for (boolean createIncomplete : new boolean[] { true, false })
894 >        for (Integer v1 : new Integer[] { 1, null })
895 >    {
896 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
897 >        final AtomicInteger a = new AtomicInteger(0);
898 >        final CFException ex = new CFException();
899 >        if (!createIncomplete) f.completeExceptionally(ex);
900 >        final CompletableFuture<Integer> g = m.handle
901 >            (f,
902 >             (Integer x, Throwable t) -> {
903 >                m.checkExecutionMode();
904 >                threadAssertNull(x);
905 >                threadAssertSame(t, ex);
906 >                a.getAndIncrement();
907 >                return v1;
908 >            });
909 >        if (createIncomplete) f.completeExceptionally(ex);
910 >
911 >        checkCompletedNormally(g, v1);
912 >        checkCompletedWithWrappedCFException(f, ex);
913 >        assertEquals(1, a.get());
914 >    }}
915 >
916 >    /**
917 >     * handle action completes normally with function value on
918 >     * cancelled source
919 >     */
920 >    public void testHandle_sourceCancelled() {
921 >        for (ExecutionMode m : ExecutionMode.values())
922 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
923 >        for (boolean createIncomplete : new boolean[] { true, false })
924 >        for (Integer v1 : new Integer[] { 1, null })
925 >    {
926 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
927 >        final AtomicInteger a = new AtomicInteger(0);
928 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
929 >        final CompletableFuture<Integer> g = m.handle
930 >            (f,
931 >             (Integer x, Throwable t) -> {
932 >                m.checkExecutionMode();
933 >                threadAssertNull(x);
934 >                threadAssertTrue(t instanceof CancellationException);
935 >                a.getAndIncrement();
936 >                return v1;
937 >            });
938 >        if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
939  
940 <        f = new CompletableFuture<>();
941 <        g = f.handle(r = new IntegerHandler());
942 <        assertFalse(r.ran);
943 <        f.completeExceptionally(new CFException());
412 <        checkCompletedNormally(g, three);
413 <        assertTrue(r.ran);
414 <
415 <        f = new CompletableFuture<>();
416 <        f.complete(one);
417 <        g = f.handle(r = new IntegerHandler());
418 <        assertTrue(r.ran);
419 <        checkCompletedNormally(g, two);
420 <
421 <        f = new CompletableFuture<>();
422 <        g = f.handle(r = new IntegerHandler());
423 <        assertFalse(r.ran);
424 <        f.complete(one);
425 <        assertTrue(r.ran);
426 <        checkCompletedNormally(g, two);
427 <    }
940 >        checkCompletedNormally(g, v1);
941 >        checkCancelled(f);
942 >        assertEquals(1, a.get());
943 >    }}
944  
945      /**
946 <     * runAsync completes after running Runnable
946 >     * handle result completes exceptionally if action does
947       */
948 <    public void testRunAsync() {
949 <        Noop r = new Noop();
950 <        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
951 <        assertNull(f.join());
952 <        assertTrue(r.ran);
953 <        checkCompletedNormally(f, null);
954 <    }
948 >    public void testHandle_sourceFailedActionFailed() {
949 >        for (ExecutionMode m : ExecutionMode.values())
950 >        for (boolean createIncomplete : new boolean[] { true, false })
951 >    {
952 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
953 >        final AtomicInteger a = new AtomicInteger(0);
954 >        final CFException ex1 = new CFException();
955 >        final CFException ex2 = new CFException();
956 >        if (!createIncomplete) f.completeExceptionally(ex1);
957 >        final CompletableFuture<Integer> g = m.handle
958 >            (f,
959 >             (Integer x, Throwable t) -> {
960 >                m.checkExecutionMode();
961 >                threadAssertNull(x);
962 >                threadAssertSame(ex1, t);
963 >                a.getAndIncrement();
964 >                throw ex2;
965 >            });
966 >        if (createIncomplete) f.completeExceptionally(ex1);
967 >
968 >        checkCompletedWithWrappedCFException(g, ex2);
969 >        checkCompletedWithWrappedCFException(f, ex1);
970 >        assertEquals(1, a.get());
971 >    }}
972 >
973 >    public void testHandle_sourceCompletedNormallyActionFailed() {
974 >        for (ExecutionMode m : ExecutionMode.values())
975 >        for (boolean createIncomplete : new boolean[] { true, false })
976 >        for (Integer v1 : new Integer[] { 1, null })
977 >    {
978 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
979 >        final AtomicInteger a = new AtomicInteger(0);
980 >        final CFException ex = new CFException();
981 >        if (!createIncomplete) f.complete(v1);
982 >        final CompletableFuture<Integer> g = m.handle
983 >            (f,
984 >             (Integer x, Throwable t) -> {
985 >                m.checkExecutionMode();
986 >                threadAssertSame(x, v1);
987 >                threadAssertNull(t);
988 >                a.getAndIncrement();
989 >                throw ex;
990 >            });
991 >        if (createIncomplete) f.complete(v1);
992 >
993 >        checkCompletedWithWrappedCFException(g, ex);
994 >        checkCompletedNormally(f, v1);
995 >        assertEquals(1, a.get());
996 >    }}
997  
998      /**
999 <     * runAsync with executor completes after running Runnable
999 >     * runAsync completes after running Runnable
1000       */
1001 <    public void testRunAsync2() {
1002 <        Noop r = new Noop();
1003 <        ThreadExecutor exec = new ThreadExecutor();
1004 <        CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1001 >    public void testRunAsync_normalCompletion() {
1002 >        ExecutionMode[] executionModes = {
1003 >            ExecutionMode.ASYNC,
1004 >            ExecutionMode.EXECUTOR,
1005 >        };
1006 >        for (ExecutionMode m : executionModes)
1007 >    {
1008 >        final Noop r = new Noop(m);
1009 >        final CompletableFuture<Void> f = m.runAsync(r);
1010          assertNull(f.join());
448        assertTrue(r.ran);
1011          checkCompletedNormally(f, null);
1012 <        assertEquals(1, exec.count.get());
1013 <    }
1012 >        r.assertInvoked();
1013 >    }}
1014  
1015      /**
1016       * failing runAsync completes exceptionally after running Runnable
1017       */
1018 <    public void testRunAsync3() {
1019 <        FailingNoop r = new FailingNoop();
1020 <        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1018 >    public void testRunAsync_exceptionalCompletion() {
1019 >        ExecutionMode[] executionModes = {
1020 >            ExecutionMode.ASYNC,
1021 >            ExecutionMode.EXECUTOR,
1022 >        };
1023 >        for (ExecutionMode m : executionModes)
1024 >    {
1025 >        final FailingRunnable r = new FailingRunnable(m);
1026 >        final CompletableFuture<Void> f = m.runAsync(r);
1027          checkCompletedWithWrappedCFException(f);
1028 <        assertTrue(r.ran);
1029 <    }
1028 >        r.assertInvoked();
1029 >    }}
1030  
1031      /**
1032       * supplyAsync completes with result of supplier
1033       */
1034 <    public void testSupplyAsync() {
1035 <        CompletableFuture<Integer> f;
1036 <        f = CompletableFuture.supplyAsync(supplyOne);
1037 <        assertEquals(f.join(), one);
1038 <        checkCompletedNormally(f, one);
1039 <    }
1040 <
1041 <    /**
1042 <     * supplyAsync with executor completes with result of supplier
1043 <     */
1044 <    public void testSupplyAsync2() {
1045 <        CompletableFuture<Integer> f;
1046 <        f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1047 <        assertEquals(f.join(), one);
480 <        checkCompletedNormally(f, one);
481 <    }
1034 >    public void testSupplyAsync_normalCompletion() {
1035 >        ExecutionMode[] executionModes = {
1036 >            ExecutionMode.ASYNC,
1037 >            ExecutionMode.EXECUTOR,
1038 >        };
1039 >        for (ExecutionMode m : executionModes)
1040 >        for (Integer v1 : new Integer[] { 1, null })
1041 >    {
1042 >        final IntegerSupplier r = new IntegerSupplier(m, v1);
1043 >        final CompletableFuture<Integer> f = m.supplyAsync(r);
1044 >        assertSame(v1, f.join());
1045 >        checkCompletedNormally(f, v1);
1046 >        r.assertInvoked();
1047 >    }}
1048  
1049      /**
1050       * Failing supplyAsync completes exceptionally
1051       */
1052 <    public void testSupplyAsync3() {
1053 <        FailingSupplier r = new FailingSupplier();
1054 <        CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1052 >    public void testSupplyAsync_exceptionalCompletion() {
1053 >        ExecutionMode[] executionModes = {
1054 >            ExecutionMode.ASYNC,
1055 >            ExecutionMode.EXECUTOR,
1056 >        };
1057 >        for (ExecutionMode m : executionModes)
1058 >    {
1059 >        FailingSupplier r = new FailingSupplier(m);
1060 >        CompletableFuture<Integer> f = m.supplyAsync(r);
1061          checkCompletedWithWrappedCFException(f);
1062 <        assertTrue(r.ran);
1063 <    }
1062 >        r.assertInvoked();
1063 >    }}
1064  
1065      // seq completion methods
1066  
1067      /**
1068       * thenRun result completes normally after normal completion of source
1069       */
1070 <    public void testThenRun() {
1071 <        CompletableFuture<Integer> f;
1072 <        CompletableFuture<Void> g;
1073 <        Noop r;
1074 <
1075 <        f = new CompletableFuture<>();
1076 <        g = f.thenRun(r = new Noop());
1077 <        f.complete(null);
1078 <        checkCompletedNormally(g, null);
1079 <        assertTrue(r.ran);
1070 >    public void testThenRun_normalCompletion() {
1071 >        for (ExecutionMode m : ExecutionMode.values())
1072 >        for (boolean createIncomplete : new boolean[] { true, false })
1073 >        for (Integer v1 : new Integer[] { 1, null })
1074 >    {
1075 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1076 >        final Noop r = new Noop(m);
1077 >        if (!createIncomplete) f.complete(v1);
1078 >        final CompletableFuture<Void> g = m.thenRun(f, r);
1079 >        if (createIncomplete) {
1080 >            checkIncomplete(g);
1081 >            f.complete(v1);
1082 >        }
1083  
509        f = new CompletableFuture<>();
510        f.complete(null);
511        g = f.thenRun(r = new Noop());
1084          checkCompletedNormally(g, null);
1085 <        assertTrue(r.ran);
1086 <    }
1085 >        checkCompletedNormally(f, v1);
1086 >        r.assertInvoked();
1087 >    }}
1088  
1089      /**
1090       * thenRun result completes exceptionally after exceptional
1091       * completion of source
1092       */
1093 <    public void testThenRun2() {
1094 <        CompletableFuture<Integer> f;
1095 <        CompletableFuture<Void> g;
1096 <        Noop r;
1097 <
1098 <        f = new CompletableFuture<>();
1099 <        g = f.thenRun(r = new Noop());
1100 <        f.completeExceptionally(new CFException());
1101 <        checkCompletedWithWrappedCFException(g);
1102 <        assertFalse(r.ran);
1093 >    public void testThenRun_exceptionalCompletion() {
1094 >        for (ExecutionMode m : ExecutionMode.values())
1095 >        for (boolean createIncomplete : new boolean[] { true, false })
1096 >    {
1097 >        final CFException ex = new CFException();
1098 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1099 >        final Noop r = new Noop(m);
1100 >        if (!createIncomplete) f.completeExceptionally(ex);
1101 >        final CompletableFuture<Void> g = m.thenRun(f, r);
1102 >        if (createIncomplete) {
1103 >            checkIncomplete(g);
1104 >            f.completeExceptionally(ex);
1105 >        }
1106  
1107 <        f = new CompletableFuture<>();
1108 <        f.completeExceptionally(new CFException());
1109 <        g = f.thenRun(r = new Noop());
1110 <        checkCompletedWithWrappedCFException(g);
535 <        assertFalse(r.ran);
536 <    }
1107 >        checkCompletedWithWrappedCFException(g, ex);
1108 >        checkCompletedWithWrappedCFException(f, ex);
1109 >        r.assertNotInvoked();
1110 >    }}
1111  
1112      /**
1113 <     * thenRun result completes exceptionally if action does
1113 >     * thenRun result completes exceptionally if source cancelled
1114       */
1115 <    public void testThenRun3() {
1116 <        CompletableFuture<Integer> f;
1117 <        CompletableFuture<Void> g;
1118 <        FailingNoop r;
1119 <
1120 <        f = new CompletableFuture<>();
1121 <        g = f.thenRun(r = new FailingNoop());
1122 <        f.complete(null);
1123 <        checkCompletedWithWrappedCFException(g);
1115 >    public void testThenRun_sourceCancelled() {
1116 >        for (ExecutionMode m : ExecutionMode.values())
1117 >        for (boolean createIncomplete : new boolean[] { true, false })
1118 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1119 >    {
1120 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1121 >        final Noop r = new Noop(m);
1122 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1123 >        final CompletableFuture<Void> g = m.thenRun(f, r);
1124 >        if (createIncomplete) {
1125 >            checkIncomplete(g);
1126 >            assertTrue(f.cancel(mayInterruptIfRunning));
1127 >        }
1128  
1129 <        f = new CompletableFuture<>();
1130 <        f.complete(null);
1131 <        g = f.thenRun(r = new FailingNoop());
1132 <        checkCompletedWithWrappedCFException(g);
555 <    }
1129 >        checkCompletedWithWrappedCancellationException(g);
1130 >        checkCancelled(f);
1131 >        r.assertNotInvoked();
1132 >    }}
1133  
1134      /**
1135 <     * thenRun result completes exceptionally if source cancelled
1135 >     * thenRun result completes exceptionally if action does
1136       */
1137 <    public void testThenRun4() {
1138 <        CompletableFuture<Integer> f;
1139 <        CompletableFuture<Void> g;
1140 <        Noop r;
1141 <
1142 <        f = new CompletableFuture<>();
1143 <        g = f.thenRun(r = new Noop());
1144 <        assertTrue(f.cancel(true));
1145 <        checkCompletedWithWrappedCancellationException(g);
1137 >    public void testThenRun_actionFailed() {
1138 >        for (ExecutionMode m : ExecutionMode.values())
1139 >        for (boolean createIncomplete : new boolean[] { true, false })
1140 >        for (Integer v1 : new Integer[] { 1, null })
1141 >    {
1142 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1143 >        final FailingRunnable r = new FailingRunnable(m);
1144 >        if (!createIncomplete) f.complete(v1);
1145 >        final CompletableFuture<Void> g = m.thenRun(f, r);
1146 >        if (createIncomplete) {
1147 >            checkIncomplete(g);
1148 >            f.complete(v1);
1149 >        }
1150  
1151 <        f = new CompletableFuture<>();
1152 <        assertTrue(f.cancel(true));
1153 <        g = f.thenRun(r = new Noop());
573 <        checkCompletedWithWrappedCancellationException(g);
574 <    }
1151 >        checkCompletedWithWrappedCFException(g);
1152 >        checkCompletedNormally(f, v1);
1153 >    }}
1154  
1155      /**
1156       * thenApply result completes normally after normal completion of source
1157       */
1158 <    public void testThenApply() {
1159 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1160 <        CompletableFuture<Integer> g = f.thenApply(inc);
1161 <        f.complete(one);
1162 <        checkCompletedNormally(g, two);
1163 <    }
1158 >    public void testThenApply_normalCompletion() {
1159 >        for (ExecutionMode m : ExecutionMode.values())
1160 >        for (boolean createIncomplete : new boolean[] { true, false })
1161 >        for (Integer v1 : new Integer[] { 1, null })
1162 >    {
1163 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1164 >        final IncFunction r = new IncFunction(m);
1165 >        if (!createIncomplete) f.complete(v1);
1166 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1167 >        if (createIncomplete) {
1168 >            checkIncomplete(g);
1169 >            f.complete(v1);
1170 >        }
1171 >
1172 >        checkCompletedNormally(g, inc(v1));
1173 >        checkCompletedNormally(f, v1);
1174 >        r.assertInvoked();
1175 >    }}
1176  
1177      /**
1178       * thenApply result completes exceptionally after exceptional
1179       * completion of source
1180       */
1181 <    public void testThenApply2() {
1182 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1183 <        CompletableFuture<Integer> g = f.thenApply(inc);
1184 <        f.completeExceptionally(new CFException());
1185 <        checkCompletedWithWrappedCFException(g);
1186 <    }
1181 >    public void testThenApply_exceptionalCompletion() {
1182 >        for (ExecutionMode m : ExecutionMode.values())
1183 >        for (boolean createIncomplete : new boolean[] { true, false })
1184 >    {
1185 >        final CFException ex = new CFException();
1186 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1187 >        final IncFunction r = new IncFunction(m);
1188 >        if (!createIncomplete) f.completeExceptionally(ex);
1189 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1190 >        if (createIncomplete) {
1191 >            checkIncomplete(g);
1192 >            f.completeExceptionally(ex);
1193 >        }
1194  
1195 <    /**
1196 <     * thenApply result completes exceptionally if action does
1197 <     */
1198 <    public void testThenApply3() {
601 <        CompletableFuture<Integer> f = new CompletableFuture<>();
602 <        CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
603 <        f.complete(one);
604 <        checkCompletedWithWrappedCFException(g);
605 <    }
1195 >        checkCompletedWithWrappedCFException(g, ex);
1196 >        checkCompletedWithWrappedCFException(f, ex);
1197 >        r.assertNotInvoked();
1198 >    }}
1199  
1200      /**
1201       * thenApply result completes exceptionally if source cancelled
1202       */
1203 <    public void testThenApply4() {
1204 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1205 <        CompletableFuture<Integer> g = f.thenApply(inc);
1206 <        assertTrue(f.cancel(true));
1203 >    public void testThenApply_sourceCancelled() {
1204 >        for (ExecutionMode m : ExecutionMode.values())
1205 >        for (boolean createIncomplete : new boolean[] { true, false })
1206 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1207 >    {
1208 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1209 >        final IncFunction r = new IncFunction(m);
1210 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1211 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1212 >        if (createIncomplete) {
1213 >            checkIncomplete(g);
1214 >            assertTrue(f.cancel(mayInterruptIfRunning));
1215 >        }
1216 >
1217          checkCompletedWithWrappedCancellationException(g);
1218 <    }
1218 >        checkCancelled(f);
1219 >        r.assertNotInvoked();
1220 >    }}
1221 >
1222 >    /**
1223 >     * thenApply result completes exceptionally if action does
1224 >     */
1225 >    public void testThenApply_actionFailed() {
1226 >        for (ExecutionMode m : ExecutionMode.values())
1227 >        for (boolean createIncomplete : new boolean[] { true, false })
1228 >        for (Integer v1 : new Integer[] { 1, null })
1229 >    {
1230 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1231 >        final FailingFunction r = new FailingFunction(m);
1232 >        if (!createIncomplete) f.complete(v1);
1233 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1234 >        if (createIncomplete) {
1235 >            checkIncomplete(g);
1236 >            f.complete(v1);
1237 >        }
1238 >
1239 >        checkCompletedWithWrappedCFException(g);
1240 >        checkCompletedNormally(f, v1);
1241 >    }}
1242  
1243      /**
1244       * thenAccept result completes normally after normal completion of source
1245       */
1246 <    public void testThenAccept() {
1247 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1248 <        IncAction r = new IncAction();
1249 <        CompletableFuture<Void> g = f.thenAccept(r);
1250 <        f.complete(one);
1246 >    public void testThenAccept_normalCompletion() {
1247 >        for (ExecutionMode m : ExecutionMode.values())
1248 >        for (boolean createIncomplete : new boolean[] { true, false })
1249 >        for (Integer v1 : new Integer[] { 1, null })
1250 >    {
1251 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1252 >        final NoopConsumer r = new NoopConsumer(m);
1253 >        if (!createIncomplete) f.complete(v1);
1254 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1255 >        if (createIncomplete) {
1256 >            checkIncomplete(g);
1257 >            f.complete(v1);
1258 >        }
1259 >
1260          checkCompletedNormally(g, null);
1261 <        assertEquals(r.value, 2);
1262 <    }
1261 >        r.assertValue(v1);
1262 >        checkCompletedNormally(f, v1);
1263 >    }}
1264  
1265      /**
1266       * thenAccept result completes exceptionally after exceptional
1267       * completion of source
1268       */
1269 <    public void testThenAccept2() {
1270 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1271 <        IncAction r = new IncAction();
1272 <        CompletableFuture<Void> g = f.thenAccept(r);
1273 <        f.completeExceptionally(new CFException());
1274 <        checkCompletedWithWrappedCFException(g);
1275 <    }
1269 >    public void testThenAccept_exceptionalCompletion() {
1270 >        for (ExecutionMode m : ExecutionMode.values())
1271 >        for (boolean createIncomplete : new boolean[] { true, false })
1272 >    {
1273 >        final CFException ex = new CFException();
1274 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1275 >        final NoopConsumer r = new NoopConsumer(m);
1276 >        if (!createIncomplete) f.completeExceptionally(ex);
1277 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1278 >        if (createIncomplete) {
1279 >            checkIncomplete(g);
1280 >            f.completeExceptionally(ex);
1281 >        }
1282  
1283 <    /**
1284 <     * thenAccept result completes exceptionally if action does
1285 <     */
1286 <    public void testThenAccept3() {
645 <        CompletableFuture<Integer> f = new CompletableFuture<>();
646 <        FailingConsumer r = new FailingConsumer();
647 <        CompletableFuture<Void> g = f.thenAccept(r);
648 <        f.complete(one);
649 <        checkCompletedWithWrappedCFException(g);
650 <        assertTrue(r.ran);
651 <    }
1283 >        checkCompletedWithWrappedCFException(g, ex);
1284 >        checkCompletedWithWrappedCFException(f, ex);
1285 >        r.assertNotInvoked();
1286 >    }}
1287  
1288      /**
1289       * thenAccept result completes exceptionally if source cancelled
1290       */
1291 <    public void testThenAccept4() {
1292 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1293 <        IncAction r = new IncAction();
1294 <        CompletableFuture<Void> g = f.thenAccept(r);
1295 <        assertTrue(f.cancel(true));
1291 >    public void testThenAccept_sourceCancelled() {
1292 >        for (ExecutionMode m : ExecutionMode.values())
1293 >        for (boolean createIncomplete : new boolean[] { true, false })
1294 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1295 >    {
1296 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1297 >        final NoopConsumer r = new NoopConsumer(m);
1298 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1299 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1300 >        if (createIncomplete) {
1301 >            checkIncomplete(g);
1302 >            assertTrue(f.cancel(mayInterruptIfRunning));
1303 >        }
1304 >
1305          checkCompletedWithWrappedCancellationException(g);
1306 <    }
1306 >        checkCancelled(f);
1307 >        r.assertNotInvoked();
1308 >    }}
1309  
1310      /**
1311 <     * thenCombine result completes normally after normal completion
666 <     * of sources
1311 >     * thenAccept result completes exceptionally if action does
1312       */
1313 <    public void testThenCombine() {
1314 <        CompletableFuture<Integer> f, g, h;
1313 >    public void testThenAccept_actionFailed() {
1314 >        for (ExecutionMode m : ExecutionMode.values())
1315 >        for (boolean createIncomplete : new boolean[] { true, false })
1316 >        for (Integer v1 : new Integer[] { 1, null })
1317 >    {
1318 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1319 >        final FailingConsumer r = new FailingConsumer(m);
1320 >        if (!createIncomplete) f.complete(v1);
1321 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1322 >        if (createIncomplete) {
1323 >            checkIncomplete(g);
1324 >            f.complete(v1);
1325 >        }
1326  
1327 <        f = new CompletableFuture<>();
1328 <        g = new CompletableFuture<>();
1329 <        h = f.thenCombine(g, subtract);
674 <        f.complete(3);
675 <        checkIncomplete(h);
676 <        g.complete(1);
677 <        checkCompletedNormally(h, 2);
1327 >        checkCompletedWithWrappedCFException(g);
1328 >        checkCompletedNormally(f, v1);
1329 >    }}
1330  
1331 <        f = new CompletableFuture<>();
1332 <        g = new CompletableFuture<>();
1333 <        h = f.thenCombine(g, subtract);
1334 <        g.complete(1);
1335 <        checkIncomplete(h);
1336 <        f.complete(3);
1337 <        checkCompletedNormally(h, 2);
1331 >    /**
1332 >     * thenCombine result completes normally after normal completion
1333 >     * of sources
1334 >     */
1335 >    public void testThenCombine_normalCompletion() {
1336 >        for (ExecutionMode m : ExecutionMode.values())
1337 >        for (boolean createIncomplete : new boolean[] { true, false })
1338 >        for (boolean fFirst : new boolean[] { true, false })
1339 >        for (Integer v1 : new Integer[] { 1, null })
1340 >        for (Integer v2 : new Integer[] { 2, null })
1341 >    {
1342 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1343 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1344 >        final SubtractFunction r = new SubtractFunction(m);
1345 >
1346 >        if (fFirst) f.complete(v1); else g.complete(v2);
1347 >        if (!createIncomplete)
1348 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1349 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1350 >        if (createIncomplete) {
1351 >            checkIncomplete(h);
1352 >            r.assertNotInvoked();
1353 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1354 >        }
1355  
1356 <        f = new CompletableFuture<>();
1357 <        g = new CompletableFuture<>();
1358 <        g.complete(1);
1359 <        f.complete(3);
1360 <        h = f.thenCombine(g, subtract);
692 <        checkCompletedNormally(h, 2);
693 <    }
1356 >        checkCompletedNormally(h, subtract(v1, v2));
1357 >        checkCompletedNormally(f, v1);
1358 >        checkCompletedNormally(g, v2);
1359 >        r.assertInvoked();
1360 >    }}
1361  
1362      /**
1363       * thenCombine result completes exceptionally after exceptional
1364       * completion of either source
1365       */
1366 <    public void testThenCombine2() {
1367 <        CompletableFuture<Integer> f, g, h;
1368 <
1369 <        f = new CompletableFuture<>();
1370 <        g = new CompletableFuture<>();
1371 <        h = f.thenCombine(g, subtract);
1372 <        f.completeExceptionally(new CFException());
1373 <        checkIncomplete(h);
1374 <        g.complete(1);
1375 <        checkCompletedWithWrappedCFException(h);
1376 <
1377 <        f = new CompletableFuture<>();
1378 <        g = new CompletableFuture<>();
1379 <        h = f.thenCombine(g, subtract);
1380 <        g.completeExceptionally(new CFException());
1381 <        checkIncomplete(h);
1382 <        f.complete(3);
1383 <        checkCompletedWithWrappedCFException(h);
1384 <
718 <        f = new CompletableFuture<>();
719 <        g = new CompletableFuture<>();
720 <        f.complete(3);
721 <        g.completeExceptionally(new CFException());
722 <        h = f.thenCombine(g, subtract);
723 <        checkCompletedWithWrappedCFException(h);
724 <
725 <        f = new CompletableFuture<>();
726 <        g = new CompletableFuture<>();
727 <        f.completeExceptionally(new CFException());
728 <        g.complete(3);
729 <        h = f.thenCombine(g, subtract);
730 <        checkCompletedWithWrappedCFException(h);
731 <    }
1366 >    public void testThenCombine_exceptionalCompletion() {
1367 >        for (ExecutionMode m : ExecutionMode.values())
1368 >        for (boolean createIncomplete : new boolean[] { true, false })
1369 >        for (boolean fFirst : new boolean[] { true, false })
1370 >        for (Integer v1 : new Integer[] { 1, null })
1371 >    {
1372 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1373 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1374 >        final CFException ex = new CFException();
1375 >        final SubtractFunction r = new SubtractFunction(m);
1376 >
1377 >        (fFirst ? f : g).complete(v1);
1378 >        if (!createIncomplete)
1379 >            (!fFirst ? f : g).completeExceptionally(ex);
1380 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1381 >        if (createIncomplete) {
1382 >            checkIncomplete(h);
1383 >            (!fFirst ? f : g).completeExceptionally(ex);
1384 >        }
1385  
1386 <    /**
1387 <     * thenCombine result completes exceptionally if action does
1388 <     */
1389 <    public void testThenCombine3() {
1390 <        CompletableFuture<Integer> f = new CompletableFuture<>();
738 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
739 <        FailingBiFunction r = new FailingBiFunction();
740 <        CompletableFuture<Integer> g = f.thenCombine(f2, r);
741 <        f.complete(one);
742 <        checkIncomplete(g);
743 <        assertFalse(r.ran);
744 <        f2.complete(two);
745 <        checkCompletedWithWrappedCFException(g);
746 <        assertTrue(r.ran);
747 <    }
1386 >        checkCompletedWithWrappedCFException(h, ex);
1387 >        r.assertNotInvoked();
1388 >        checkCompletedNormally(fFirst ? f : g, v1);
1389 >        checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1390 >    }}
1391  
1392      /**
1393       * thenCombine result completes exceptionally if either source cancelled
1394       */
1395 <    public void testThenCombine4() {
1396 <        CompletableFuture<Integer> f, g, h;
1395 >    public void testThenCombine_sourceCancelled() {
1396 >        for (ExecutionMode m : ExecutionMode.values())
1397 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1398 >        for (boolean createIncomplete : new boolean[] { true, false })
1399 >        for (boolean fFirst : new boolean[] { true, false })
1400 >        for (Integer v1 : new Integer[] { 1, null })
1401 >    {
1402 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1403 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1404 >        final SubtractFunction r = new SubtractFunction(m);
1405 >
1406 >        (fFirst ? f : g).complete(v1);
1407 >        if (!createIncomplete)
1408 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1409 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1410 >        if (createIncomplete) {
1411 >            checkIncomplete(h);
1412 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1413 >        }
1414  
755        f = new CompletableFuture<>();
756        g = new CompletableFuture<>();
757        h = f.thenCombine(g, subtract);
758        assertTrue(f.cancel(true));
759        checkIncomplete(h);
760        g.complete(1);
1415          checkCompletedWithWrappedCancellationException(h);
1416 +        checkCancelled(!fFirst ? f : g);
1417 +        r.assertNotInvoked();
1418 +        checkCompletedNormally(fFirst ? f : g, v1);
1419 +    }}
1420  
1421 <        f = new CompletableFuture<>();
1422 <        g = new CompletableFuture<>();
1423 <        h = f.thenCombine(g, subtract);
1424 <        assertTrue(g.cancel(true));
1425 <        checkIncomplete(h);
1426 <        f.complete(3);
1427 <        checkCompletedWithWrappedCancellationException(h);
1421 >    /**
1422 >     * thenCombine result completes exceptionally if action does
1423 >     */
1424 >    public void testThenCombine_actionFailed() {
1425 >        for (ExecutionMode m : ExecutionMode.values())
1426 >        for (boolean fFirst : new boolean[] { true, false })
1427 >        for (Integer v1 : new Integer[] { 1, null })
1428 >        for (Integer v2 : new Integer[] { 2, null })
1429 >    {
1430 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1431 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1432 >        final FailingBiFunction r = new FailingBiFunction(m);
1433 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1434 >
1435 >        if (fFirst) {
1436 >            f.complete(v1);
1437 >            g.complete(v2);
1438 >        } else {
1439 >            g.complete(v2);
1440 >            f.complete(v1);
1441 >        }
1442  
1443 <        f = new CompletableFuture<>();
1444 <        g = new CompletableFuture<>();
1445 <        assertTrue(f.cancel(true));
1446 <        assertTrue(g.cancel(true));
775 <        h = f.thenCombine(g, subtract);
776 <        checkCompletedWithWrappedCancellationException(h);
777 <    }
1443 >        checkCompletedWithWrappedCFException(h);
1444 >        checkCompletedNormally(f, v1);
1445 >        checkCompletedNormally(g, v2);
1446 >    }}
1447  
1448      /**
1449       * thenAcceptBoth result completes normally after normal
1450       * completion of sources
1451       */
1452 <    public void testThenAcceptBoth() {
1453 <        CompletableFuture<Integer> f, g;
1454 <        CompletableFuture<Void> h;
1455 <        SubtractAction r;
1456 <
1457 <        f = new CompletableFuture<>();
1458 <        g = new CompletableFuture<>();
1459 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1460 <        f.complete(3);
1461 <        checkIncomplete(h);
1462 <        g.complete(1);
1463 <        checkCompletedNormally(h, null);
1464 <        assertEquals(r.value, 2);
1465 <
1466 <        f = new CompletableFuture<>();
1467 <        g = new CompletableFuture<>();
1468 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1469 <        g.complete(1);
1470 <        checkIncomplete(h);
1471 <        f.complete(3);
803 <        checkCompletedNormally(h, null);
804 <        assertEquals(r.value, 2);
1452 >    public void testThenAcceptBoth_normalCompletion() {
1453 >        for (ExecutionMode m : ExecutionMode.values())
1454 >        for (boolean createIncomplete : new boolean[] { true, false })
1455 >        for (boolean fFirst : new boolean[] { true, false })
1456 >        for (Integer v1 : new Integer[] { 1, null })
1457 >        for (Integer v2 : new Integer[] { 2, null })
1458 >    {
1459 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1460 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1461 >        final SubtractAction r = new SubtractAction(m);
1462 >
1463 >        if (fFirst) f.complete(v1); else g.complete(v2);
1464 >        if (!createIncomplete)
1465 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1466 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1467 >        if (createIncomplete) {
1468 >            checkIncomplete(h);
1469 >            r.assertNotInvoked();
1470 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1471 >        }
1472  
806        f = new CompletableFuture<>();
807        g = new CompletableFuture<>();
808        g.complete(1);
809        f.complete(3);
810        h = f.thenAcceptBoth(g, r = new SubtractAction());
1473          checkCompletedNormally(h, null);
1474 <        assertEquals(r.value, 2);
1475 <    }
1474 >        r.assertValue(subtract(v1, v2));
1475 >        checkCompletedNormally(f, v1);
1476 >        checkCompletedNormally(g, v2);
1477 >    }}
1478  
1479      /**
1480       * thenAcceptBoth result completes exceptionally after exceptional
1481       * completion of either source
1482       */
1483 <    public void testThenAcceptBoth2() {
1484 <        CompletableFuture<Integer> f, g;
1485 <        CompletableFuture<Void> h;
1486 <        SubtractAction r;
1487 <
1488 <        f = new CompletableFuture<>();
1489 <        g = new CompletableFuture<>();
1490 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1491 <        f.completeExceptionally(new CFException());
1492 <        checkIncomplete(h);
1493 <        g.complete(1);
1494 <        checkCompletedWithWrappedCFException(h);
1495 <
1496 <        f = new CompletableFuture<>();
1497 <        g = new CompletableFuture<>();
1498 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1499 <        g.completeExceptionally(new CFException());
1500 <        checkIncomplete(h);
1501 <        f.complete(3);
838 <        checkCompletedWithWrappedCFException(h);
839 <
840 <        f = new CompletableFuture<>();
841 <        g = new CompletableFuture<>();
842 <        f.complete(3);
843 <        g.completeExceptionally(new CFException());
844 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
845 <        checkCompletedWithWrappedCFException(h);
846 <
847 <        f = new CompletableFuture<>();
848 <        g = new CompletableFuture<>();
849 <        f.completeExceptionally(new CFException());
850 <        g.complete(3);
851 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
852 <        checkCompletedWithWrappedCFException(h);
853 <    }
854 <
855 <    /**
856 <     * thenAcceptBoth result completes exceptionally if action does
857 <     */
858 <    public void testThenAcceptBoth3() {
859 <        CompletableFuture<Integer> f, g;
860 <        CompletableFuture<Void> h;
861 <        FailingBiConsumer r;
862 <
863 <        f = new CompletableFuture<>();
864 <        g = new CompletableFuture<>();
865 <        h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
866 <        f.complete(3);
867 <        checkIncomplete(h);
868 <        g.complete(1);
869 <        checkCompletedWithWrappedCFException(h);
1483 >    public void testThenAcceptBoth_exceptionalCompletion() {
1484 >        for (ExecutionMode m : ExecutionMode.values())
1485 >        for (boolean createIncomplete : new boolean[] { true, false })
1486 >        for (boolean fFirst : new boolean[] { true, false })
1487 >        for (Integer v1 : new Integer[] { 1, null })
1488 >    {
1489 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1490 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1491 >        final CFException ex = new CFException();
1492 >        final SubtractAction r = new SubtractAction(m);
1493 >
1494 >        (fFirst ? f : g).complete(v1);
1495 >        if (!createIncomplete)
1496 >            (!fFirst ? f : g).completeExceptionally(ex);
1497 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1498 >        if (createIncomplete) {
1499 >            checkIncomplete(h);
1500 >            (!fFirst ? f : g).completeExceptionally(ex);
1501 >        }
1502  
1503 <        f = new CompletableFuture<>();
1504 <        g = new CompletableFuture<>();
1505 <        f.complete(3);
1506 <        g.complete(1);
1507 <        h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
876 <        checkCompletedWithWrappedCFException(h);
877 <    }
1503 >        checkCompletedWithWrappedCFException(h, ex);
1504 >        r.assertNotInvoked();
1505 >        checkCompletedNormally(fFirst ? f : g, v1);
1506 >        checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1507 >    }}
1508  
1509      /**
1510       * thenAcceptBoth result completes exceptionally if either source cancelled
1511       */
1512 <    public void testThenAcceptBoth4() {
1513 <        CompletableFuture<Integer> f, g;
1514 <        CompletableFuture<Void> h;
1515 <        SubtractAction r;
1516 <
1517 <        f = new CompletableFuture<>();
1518 <        g = new CompletableFuture<>();
1519 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1520 <        assertTrue(f.cancel(true));
1521 <        checkIncomplete(h);
1522 <        g.complete(1);
1523 <        checkCompletedWithWrappedCancellationException(h);
1512 >    public void testThenAcceptBoth_sourceCancelled() {
1513 >        for (ExecutionMode m : ExecutionMode.values())
1514 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1515 >        for (boolean createIncomplete : new boolean[] { true, false })
1516 >        for (boolean fFirst : new boolean[] { true, false })
1517 >        for (Integer v1 : new Integer[] { 1, null })
1518 >    {
1519 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1520 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1521 >        final SubtractAction r = new SubtractAction(m);
1522 >
1523 >        (fFirst ? f : g).complete(v1);
1524 >        if (!createIncomplete)
1525 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1526 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1527 >        if (createIncomplete) {
1528 >            checkIncomplete(h);
1529 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1530 >        }
1531  
895        f = new CompletableFuture<>();
896        g = new CompletableFuture<>();
897        h = f.thenAcceptBoth(g, r = new SubtractAction());
898        assertTrue(g.cancel(true));
899        checkIncomplete(h);
900        f.complete(3);
1532          checkCompletedWithWrappedCancellationException(h);
1533 +        checkCancelled(!fFirst ? f : g);
1534 +        r.assertNotInvoked();
1535 +        checkCompletedNormally(fFirst ? f : g, v1);
1536 +    }}
1537  
1538 <        f = new CompletableFuture<>();
1539 <        g = new CompletableFuture<>();
1540 <        f.complete(3);
1541 <        assertTrue(g.cancel(true));
1542 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1543 <        checkCompletedWithWrappedCancellationException(h);
1538 >    /**
1539 >     * thenAcceptBoth result completes exceptionally if action does
1540 >     */
1541 >    public void testThenAcceptBoth_actionFailed() {
1542 >        for (ExecutionMode m : ExecutionMode.values())
1543 >        for (boolean fFirst : new boolean[] { true, false })
1544 >        for (Integer v1 : new Integer[] { 1, null })
1545 >        for (Integer v2 : new Integer[] { 2, null })
1546 >    {
1547 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1548 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1549 >        final FailingBiConsumer r = new FailingBiConsumer(m);
1550 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1551 >
1552 >        if (fFirst) {
1553 >            f.complete(v1);
1554 >            g.complete(v2);
1555 >        } else {
1556 >            g.complete(v2);
1557 >            f.complete(v1);
1558 >        }
1559  
1560 <        f = new CompletableFuture<>();
1561 <        g = new CompletableFuture<>();
1562 <        assertTrue(f.cancel(true));
1563 <        g.complete(3);
914 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
915 <        checkCompletedWithWrappedCancellationException(h);
916 <    }
1560 >        checkCompletedWithWrappedCFException(h);
1561 >        checkCompletedNormally(f, v1);
1562 >        checkCompletedNormally(g, v2);
1563 >    }}
1564  
1565      /**
1566       * runAfterBoth result completes normally after normal
1567       * completion of sources
1568       */
1569 <    public void testRunAfterBoth() {
1570 <        CompletableFuture<Integer> f, g;
1571 <        CompletableFuture<Void> h;
1572 <        Noop r;
1573 <
1574 <        f = new CompletableFuture<>();
1575 <        g = new CompletableFuture<>();
1576 <        h = f.runAfterBoth(g, r = new Noop());
1577 <        f.complete(3);
1578 <        checkIncomplete(h);
1579 <        g.complete(1);
1580 <        checkCompletedNormally(h, null);
1581 <        assertTrue(r.ran);
1569 >    public void testRunAfterBoth_normalCompletion() {
1570 >        for (ExecutionMode m : ExecutionMode.values())
1571 >        for (boolean createIncomplete : new boolean[] { true, false })
1572 >        for (boolean fFirst : new boolean[] { true, false })
1573 >        for (Integer v1 : new Integer[] { 1, null })
1574 >        for (Integer v2 : new Integer[] { 2, null })
1575 >    {
1576 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1577 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1578 >        final Noop r = new Noop(m);
1579 >
1580 >        if (fFirst) f.complete(v1); else g.complete(v2);
1581 >        if (!createIncomplete)
1582 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1583 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1584 >        if (createIncomplete) {
1585 >            checkIncomplete(h);
1586 >            r.assertNotInvoked();
1587 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1588 >        }
1589  
936        f = new CompletableFuture<>();
937        g = new CompletableFuture<>();
938        h = f.runAfterBoth(g, r = new Noop());
939        g.complete(1);
940        checkIncomplete(h);
941        f.complete(3);
1590          checkCompletedNormally(h, null);
1591 <        assertTrue(r.ran);
1592 <
1593 <        f = new CompletableFuture<>();
1594 <        g = new CompletableFuture<>();
947 <        g.complete(1);
948 <        f.complete(3);
949 <        h = f.runAfterBoth(g, r = new Noop());
950 <        checkCompletedNormally(h, null);
951 <        assertTrue(r.ran);
952 <    }
1591 >        r.assertInvoked();
1592 >        checkCompletedNormally(f, v1);
1593 >        checkCompletedNormally(g, v2);
1594 >    }}
1595  
1596      /**
1597       * runAfterBoth result completes exceptionally after exceptional
1598       * completion of either source
1599       */
1600 <    public void testRunAfterBoth2() {
1601 <        CompletableFuture<Integer> f, g;
1602 <        CompletableFuture<Void> h;
1603 <        Noop r;
1600 >    public void testRunAfterBoth_exceptionalCompletion() {
1601 >        for (ExecutionMode m : ExecutionMode.values())
1602 >        for (boolean createIncomplete : new boolean[] { true, false })
1603 >        for (boolean fFirst : new boolean[] { true, false })
1604 >        for (Integer v1 : new Integer[] { 1, null })
1605 >    {
1606 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1607 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1608 >        final CFException ex = new CFException();
1609 >        final Noop r = new Noop(m);
1610 >
1611 >        (fFirst ? f : g).complete(v1);
1612 >        if (!createIncomplete)
1613 >            (!fFirst ? f : g).completeExceptionally(ex);
1614 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1615 >        if (createIncomplete) {
1616 >            checkIncomplete(h);
1617 >            (!fFirst ? f : g).completeExceptionally(ex);
1618 >        }
1619  
1620 <        f = new CompletableFuture<>();
1621 <        g = new CompletableFuture<>();
1622 <        h = f.runAfterBoth(g, r = new Noop());
1623 <        f.completeExceptionally(new CFException());
1624 <        checkIncomplete(h);
968 <        g.complete(1);
969 <        checkCompletedWithWrappedCFException(h);
970 <        assertFalse(r.ran);
1620 >        checkCompletedWithWrappedCFException(h, ex);
1621 >        r.assertNotInvoked();
1622 >        checkCompletedNormally(fFirst ? f : g, v1);
1623 >        checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1624 >    }}
1625  
1626 <        f = new CompletableFuture<>();
1627 <        g = new CompletableFuture<>();
1628 <        h = f.runAfterBoth(g, r = new Noop());
1629 <        g.completeExceptionally(new CFException());
1630 <        checkIncomplete(h);
1631 <        f.complete(3);
1632 <        checkCompletedWithWrappedCFException(h);
1633 <        assertFalse(r.ran);
1634 <
1635 <        f = new CompletableFuture<>();
1636 <        g = new CompletableFuture<>();
1637 <        g.completeExceptionally(new CFException());
1638 <        f.complete(3);
1639 <        h = f.runAfterBoth(g, r = new Noop());
1640 <        checkCompletedWithWrappedCFException(h);
1641 <        assertFalse(r.ran);
1626 >    /**
1627 >     * runAfterBoth result completes exceptionally if either source cancelled
1628 >     */
1629 >    public void testRunAfterBoth_sourceCancelled() {
1630 >        for (ExecutionMode m : ExecutionMode.values())
1631 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1632 >        for (boolean createIncomplete : new boolean[] { true, false })
1633 >        for (boolean fFirst : new boolean[] { true, false })
1634 >        for (Integer v1 : new Integer[] { 1, null })
1635 >    {
1636 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1637 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1638 >        final Noop r = new Noop(m);
1639 >
1640 >
1641 >        (fFirst ? f : g).complete(v1);
1642 >        if (!createIncomplete)
1643 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1644 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1645 >        if (createIncomplete) {
1646 >            checkIncomplete(h);
1647 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1648 >        }
1649  
1650 <        f = new CompletableFuture<>();
1651 <        g = new CompletableFuture<>();
1652 <        f.completeExceptionally(new CFException());
1653 <        g.complete(1);
1654 <        h = f.runAfterBoth(g, r = new Noop());
994 <        checkCompletedWithWrappedCFException(h);
995 <        assertFalse(r.ran);
996 <    }
1650 >        checkCompletedWithWrappedCancellationException(h);
1651 >        checkCancelled(!fFirst ? f : g);
1652 >        r.assertNotInvoked();
1653 >        checkCompletedNormally(fFirst ? f : g, v1);
1654 >    }}
1655  
1656      /**
1657       * runAfterBoth result completes exceptionally if action does
1658       */
1659 <    public void testRunAfterBoth3() {
1660 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1661 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1662 <        FailingNoop r = new FailingNoop();
1663 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1664 <        f.complete(one);
1665 <        checkIncomplete(g);
1666 <        f2.complete(two);
1667 <        checkCompletedWithWrappedCFException(g);
1668 <    }
1659 >    public void testRunAfterBoth_actionFailed() {
1660 >        for (ExecutionMode m : ExecutionMode.values())
1661 >        for (boolean fFirst : new boolean[] { true, false })
1662 >        for (Integer v1 : new Integer[] { 1, null })
1663 >        for (Integer v2 : new Integer[] { 2, null })
1664 >    {
1665 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1666 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1667 >        final FailingRunnable r1 = new FailingRunnable(m);
1668 >        final FailingRunnable r2 = new FailingRunnable(m);
1669 >
1670 >        CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1671 >        if (fFirst) {
1672 >            f.complete(v1);
1673 >            g.complete(v2);
1674 >        } else {
1675 >            g.complete(v2);
1676 >            f.complete(v1);
1677 >        }
1678 >        CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1679  
1680 <    /**
1681 <     * runAfterBoth result completes exceptionally if either source cancelled
1682 <     */
1683 <    public void testRunAfterBoth4() {
1684 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1017 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1018 <        Noop r = new Noop();
1019 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1020 <        assertTrue(f.cancel(true));
1021 <        f2.complete(two);
1022 <        checkCompletedWithWrappedCancellationException(g);
1023 <        f = new CompletableFuture<>();
1024 <        f2 = new CompletableFuture<>();
1025 <        r = new Noop();
1026 <        g = f.runAfterBoth(f2, r);
1027 <        f.complete(one);
1028 <        assertTrue(f2.cancel(true));
1029 <        checkCompletedWithWrappedCancellationException(g);
1030 <    }
1680 >        checkCompletedWithWrappedCFException(h1);
1681 >        checkCompletedWithWrappedCFException(h2);
1682 >        checkCompletedNormally(f, v1);
1683 >        checkCompletedNormally(g, v2);
1684 >    }}
1685  
1686      /**
1687       * applyToEither result completes normally after normal completion
1688       * of either source
1689       */
1690 <    public void testApplyToEither() {
1691 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1692 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1693 <        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1694 <        f.complete(one);
1695 <        checkCompletedNormally(g, two);
1696 <        f2.complete(one);
1697 <        checkCompletedNormally(g, two);
1698 <
1699 <        f = new CompletableFuture<>();
1700 <        f.complete(one);
1701 <        f2 = new CompletableFuture<>();
1702 <        g = f.applyToEither(f2, inc);
1703 <        checkCompletedNormally(g, two);
1704 <    }
1690 >    public void testApplyToEither_normalCompletion() {
1691 >        for (ExecutionMode m : ExecutionMode.values())
1692 >        for (Integer v1 : new Integer[] { 1, null })
1693 >        for (Integer v2 : new Integer[] { 2, null })
1694 >    {
1695 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1696 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1697 >        final IncFunction[] rs = new IncFunction[6];
1698 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1699 >
1700 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1701 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1702 >        checkIncomplete(h0);
1703 >        checkIncomplete(h1);
1704 >        rs[0].assertNotInvoked();
1705 >        rs[1].assertNotInvoked();
1706 >        f.complete(v1);
1707 >        checkCompletedNormally(h0, inc(v1));
1708 >        checkCompletedNormally(h1, inc(v1));
1709 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1710 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1711 >        checkCompletedNormally(h2, inc(v1));
1712 >        checkCompletedNormally(h3, inc(v1));
1713 >        g.complete(v2);
1714 >
1715 >        // unspecified behavior - both source completions available
1716 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1717 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1718 >        rs[4].assertValue(h4.join());
1719 >        rs[5].assertValue(h5.join());
1720 >        assertTrue(Objects.equals(inc(v1), h4.join()) ||
1721 >                   Objects.equals(inc(v2), h4.join()));
1722 >        assertTrue(Objects.equals(inc(v1), h5.join()) ||
1723 >                   Objects.equals(inc(v2), h5.join()));
1724 >
1725 >        checkCompletedNormally(f, v1);
1726 >        checkCompletedNormally(g, v2);
1727 >        checkCompletedNormally(h0, inc(v1));
1728 >        checkCompletedNormally(h1, inc(v1));
1729 >        checkCompletedNormally(h2, inc(v1));
1730 >        checkCompletedNormally(h3, inc(v1));
1731 >        for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
1732 >    }}
1733  
1734      /**
1735       * applyToEither result completes exceptionally after exceptional
1736       * completion of either source
1737       */
1738 <    public void testApplyToEither2() {
1739 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1740 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1741 <        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1742 <        f.completeExceptionally(new CFException());
1743 <        f2.complete(one);
1744 <        checkCompletedWithWrappedCFException(g);
1738 >    public void testApplyToEither_exceptionalCompletion() {
1739 >        for (ExecutionMode m : ExecutionMode.values())
1740 >        for (Integer v1 : new Integer[] { 1, null })
1741 >    {
1742 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1743 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1744 >        final CFException ex = new CFException();
1745 >        final IncFunction[] rs = new IncFunction[6];
1746 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1747 >
1748 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1749 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1750 >        checkIncomplete(h0);
1751 >        checkIncomplete(h1);
1752 >        rs[0].assertNotInvoked();
1753 >        rs[1].assertNotInvoked();
1754 >        f.completeExceptionally(ex);
1755 >        checkCompletedWithWrappedCFException(h0, ex);
1756 >        checkCompletedWithWrappedCFException(h1, ex);
1757 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1758 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1759 >        checkCompletedWithWrappedCFException(h2, ex);
1760 >        checkCompletedWithWrappedCFException(h3, ex);
1761 >        g.complete(v1);
1762 >
1763 >        // unspecified behavior - both source completions available
1764 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1765 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1766 >        try {
1767 >            assertEquals(inc(v1), h4.join());
1768 >            rs[4].assertValue(inc(v1));
1769 >        } catch (CompletionException ok) {
1770 >            checkCompletedWithWrappedCFException(h4, ex);
1771 >            rs[4].assertNotInvoked();
1772 >        }
1773 >        try {
1774 >            assertEquals(inc(v1), h5.join());
1775 >            rs[5].assertValue(inc(v1));
1776 >        } catch (CompletionException ok) {
1777 >            checkCompletedWithWrappedCFException(h5, ex);
1778 >            rs[5].assertNotInvoked();
1779 >        }
1780  
1781 <        f = new CompletableFuture<>();
1782 <        f2 = new CompletableFuture<>();
1783 <        f2.completeExceptionally(new CFException());
1784 <        g = f.applyToEither(f2, inc);
1785 <        checkCompletedWithWrappedCFException(g);
1786 <    }
1781 >        checkCompletedWithWrappedCFException(f, ex);
1782 >        checkCompletedNormally(g, v1);
1783 >        checkCompletedWithWrappedCFException(h0, ex);
1784 >        checkCompletedWithWrappedCFException(h1, ex);
1785 >        checkCompletedWithWrappedCFException(h2, ex);
1786 >        checkCompletedWithWrappedCFException(h3, ex);
1787 >        checkCompletedWithWrappedCFException(h4, ex);
1788 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
1789 >    }}
1790 >
1791 >    public void testApplyToEither_exceptionalCompletion2() {
1792 >        for (ExecutionMode m : ExecutionMode.values())
1793 >        for (boolean fFirst : new boolean[] { true, false })
1794 >        for (Integer v1 : new Integer[] { 1, null })
1795 >    {
1796 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1797 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1798 >        final CFException ex = new CFException();
1799 >        final IncFunction[] rs = new IncFunction[6];
1800 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1801 >
1802 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1803 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1804 >        if (fFirst) {
1805 >            f.complete(v1);
1806 >            g.completeExceptionally(ex);
1807 >        } else {
1808 >            g.completeExceptionally(ex);
1809 >            f.complete(v1);
1810 >        }
1811 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1812 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1813  
1814 <    /**
1815 <     * applyToEither result completes exceptionally if action does
1816 <     */
1817 <    public void testApplyToEither3() {
1818 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1819 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1820 <        FailingFunction r = new FailingFunction();
1821 <        CompletableFuture<Integer> g = f.applyToEither(f2, r);
1822 <        f2.complete(two);
1823 <        checkCompletedWithWrappedCFException(g);
1824 <    }
1814 >        // unspecified behavior - both source completions available
1815 >        try {
1816 >            assertEquals(inc(v1), h0.join());
1817 >            rs[0].assertValue(inc(v1));
1818 >        } catch (CompletionException ok) {
1819 >            checkCompletedWithWrappedCFException(h0, ex);
1820 >            rs[0].assertNotInvoked();
1821 >        }
1822 >        try {
1823 >            assertEquals(inc(v1), h1.join());
1824 >            rs[1].assertValue(inc(v1));
1825 >        } catch (CompletionException ok) {
1826 >            checkCompletedWithWrappedCFException(h1, ex);
1827 >            rs[1].assertNotInvoked();
1828 >        }
1829 >        try {
1830 >            assertEquals(inc(v1), h2.join());
1831 >            rs[2].assertValue(inc(v1));
1832 >        } catch (CompletionException ok) {
1833 >            checkCompletedWithWrappedCFException(h2, ex);
1834 >            rs[2].assertNotInvoked();
1835 >        }
1836 >        try {
1837 >            assertEquals(inc(v1), h3.join());
1838 >            rs[3].assertValue(inc(v1));
1839 >        } catch (CompletionException ok) {
1840 >            checkCompletedWithWrappedCFException(h3, ex);
1841 >            rs[3].assertNotInvoked();
1842 >        }
1843  
1844 <    /**
1845 <     * applyToEither result completes exceptionally if either source cancelled
1846 <     */
1086 <    public void testApplyToEither4() {
1087 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1088 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1089 <        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1090 <        assertTrue(f.cancel(true));
1091 <        checkCompletedWithWrappedCancellationException(g);
1092 <        f = new CompletableFuture<>();
1093 <        f2 = new CompletableFuture<>();
1094 <        assertTrue(f2.cancel(true));
1095 <        checkCompletedWithWrappedCancellationException(g);
1096 <    }
1844 >        checkCompletedNormally(f, v1);
1845 >        checkCompletedWithWrappedCFException(g, ex);
1846 >    }}
1847  
1848      /**
1849 <     * acceptEither result completes normally after normal completion
1100 <     * of either source
1849 >     * applyToEither result completes exceptionally if either source cancelled
1850       */
1851 <    public void testAcceptEither() {
1852 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1853 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1854 <        IncAction r = new IncAction();
1855 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
1856 <        f.complete(one);
1857 <        checkCompletedNormally(g, null);
1858 <        f2.complete(one);
1859 <        checkCompletedNormally(g, null);
1860 <        assertEquals(r.value, 2);
1861 <
1862 <        r = new IncAction();
1863 <        f = new CompletableFuture<>();
1864 <        f.complete(one);
1865 <        f2 = new CompletableFuture<>();
1866 <        g = f.acceptEither(f2, r);
1867 <        checkCompletedNormally(g, null);
1868 <        assertEquals(r.value, 2);
1869 <    }
1851 >    public void testApplyToEither_sourceCancelled() {
1852 >        for (ExecutionMode m : ExecutionMode.values())
1853 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1854 >        for (Integer v1 : new Integer[] { 1, null })
1855 >    {
1856 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1857 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1858 >        final IncFunction[] rs = new IncFunction[6];
1859 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1860 >
1861 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1862 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1863 >        checkIncomplete(h0);
1864 >        checkIncomplete(h1);
1865 >        rs[0].assertNotInvoked();
1866 >        rs[1].assertNotInvoked();
1867 >        f.cancel(mayInterruptIfRunning);
1868 >        checkCompletedWithWrappedCancellationException(h0);
1869 >        checkCompletedWithWrappedCancellationException(h1);
1870 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1871 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1872 >        checkCompletedWithWrappedCancellationException(h2);
1873 >        checkCompletedWithWrappedCancellationException(h3);
1874 >        g.complete(v1);
1875 >
1876 >        // unspecified behavior - both source completions available
1877 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1878 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1879 >        try {
1880 >            assertEquals(inc(v1), h4.join());
1881 >            rs[4].assertValue(inc(v1));
1882 >        } catch (CompletionException ok) {
1883 >            checkCompletedWithWrappedCancellationException(h4);
1884 >            rs[4].assertNotInvoked();
1885 >        }
1886 >        try {
1887 >            assertEquals(inc(v1), h5.join());
1888 >            rs[5].assertValue(inc(v1));
1889 >        } catch (CompletionException ok) {
1890 >            checkCompletedWithWrappedCancellationException(h5);
1891 >            rs[5].assertNotInvoked();
1892 >        }
1893  
1894 <    /**
1895 <     * acceptEither result completes exceptionally after exceptional
1896 <     * completion of either source
1897 <     */
1898 <    public void testAcceptEither2() {
1899 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1900 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1901 <        IncAction r = new IncAction();
1902 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
1903 <        f.completeExceptionally(new CFException());
1904 <        f2.complete(one);
1905 <        checkCompletedWithWrappedCFException(g);
1894 >        checkCancelled(f);
1895 >        checkCompletedNormally(g, v1);
1896 >        checkCompletedWithWrappedCancellationException(h0);
1897 >        checkCompletedWithWrappedCancellationException(h1);
1898 >        checkCompletedWithWrappedCancellationException(h2);
1899 >        checkCompletedWithWrappedCancellationException(h3);
1900 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
1901 >    }}
1902 >
1903 >    public void testApplyToEither_sourceCancelled2() {
1904 >        for (ExecutionMode m : ExecutionMode.values())
1905 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1906 >        for (boolean fFirst : new boolean[] { true, false })
1907 >        for (Integer v1 : new Integer[] { 1, null })
1908 >    {
1909 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1910 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1911 >        final IncFunction[] rs = new IncFunction[6];
1912 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1913 >
1914 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1915 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1916 >        if (fFirst) {
1917 >            f.complete(v1);
1918 >            g.cancel(mayInterruptIfRunning);
1919 >        } else {
1920 >            g.cancel(mayInterruptIfRunning);
1921 >            f.complete(v1);
1922 >        }
1923 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1924 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1925  
1926 <        r = new IncAction();
1927 <        f = new CompletableFuture<>();
1928 <        f2 = new CompletableFuture<>();
1929 <        f2.completeExceptionally(new CFException());
1930 <        g = f.acceptEither(f2, r);
1931 <        checkCompletedWithWrappedCFException(g);
1932 <    }
1926 >        // unspecified behavior - both source completions available
1927 >        try {
1928 >            assertEquals(inc(v1), h0.join());
1929 >            rs[0].assertValue(inc(v1));
1930 >        } catch (CompletionException ok) {
1931 >            checkCompletedWithWrappedCancellationException(h0);
1932 >            rs[0].assertNotInvoked();
1933 >        }
1934 >        try {
1935 >            assertEquals(inc(v1), h1.join());
1936 >            rs[1].assertValue(inc(v1));
1937 >        } catch (CompletionException ok) {
1938 >            checkCompletedWithWrappedCancellationException(h1);
1939 >            rs[1].assertNotInvoked();
1940 >        }
1941 >        try {
1942 >            assertEquals(inc(v1), h2.join());
1943 >            rs[2].assertValue(inc(v1));
1944 >        } catch (CompletionException ok) {
1945 >            checkCompletedWithWrappedCancellationException(h2);
1946 >            rs[2].assertNotInvoked();
1947 >        }
1948 >        try {
1949 >            assertEquals(inc(v1), h3.join());
1950 >            rs[3].assertValue(inc(v1));
1951 >        } catch (CompletionException ok) {
1952 >            checkCompletedWithWrappedCancellationException(h3);
1953 >            rs[3].assertNotInvoked();
1954 >        }
1955  
1956 <    /**
1957 <     * acceptEither result completes exceptionally if action does
1958 <     */
1146 <    public void testAcceptEither3() {
1147 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1148 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1149 <        FailingConsumer r = new FailingConsumer();
1150 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
1151 <        f2.complete(two);
1152 <        checkCompletedWithWrappedCFException(g);
1153 <    }
1956 >        checkCompletedNormally(f, v1);
1957 >        checkCancelled(g);
1958 >    }}
1959  
1960      /**
1961 <     * acceptEither result completes exceptionally if either source cancelled
1961 >     * applyToEither result completes exceptionally if action does
1962       */
1963 <    public void testAcceptEither4() {
1964 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1965 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1966 <        IncAction r = new IncAction();
1967 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
1968 <        assertTrue(f.cancel(true));
1969 <        checkCompletedWithWrappedCancellationException(g);
1970 <        f = new CompletableFuture<>();
1971 <        f2 = new CompletableFuture<>();
1972 <        assertTrue(f2.cancel(true));
1973 <        checkCompletedWithWrappedCancellationException(g);
1974 <    }
1963 >    public void testApplyToEither_actionFailed() {
1964 >        for (ExecutionMode m : ExecutionMode.values())
1965 >        for (Integer v1 : new Integer[] { 1, null })
1966 >        for (Integer v2 : new Integer[] { 2, null })
1967 >    {
1968 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1969 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1970 >        final FailingFunction[] rs = new FailingFunction[6];
1971 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1972 >
1973 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1974 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1975 >        f.complete(v1);
1976 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1977 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1978 >        checkCompletedWithWrappedCFException(h0);
1979 >        checkCompletedWithWrappedCFException(h1);
1980 >        checkCompletedWithWrappedCFException(h2);
1981 >        checkCompletedWithWrappedCFException(h3);
1982 >        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
1983 >
1984 >        g.complete(v2);
1985 >
1986 >        // unspecified behavior - both source completions available
1987 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1988 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1989 >
1990 >        checkCompletedWithWrappedCFException(h4);
1991 >        assertTrue(Objects.equals(v1, rs[4].value) ||
1992 >                   Objects.equals(v2, rs[4].value));
1993 >        checkCompletedWithWrappedCFException(h5);
1994 >        assertTrue(Objects.equals(v1, rs[5].value) ||
1995 >                   Objects.equals(v2, rs[5].value));
1996 >
1997 >        checkCompletedNormally(f, v1);
1998 >        checkCompletedNormally(g, v2);
1999 >    }}
2000  
2001      /**
2002 <     * runAfterEither result completes normally after normal completion
2002 >     * acceptEither result completes normally after normal completion
2003       * of either source
2004       */
2005 <    public void testRunAfterEither() {
2006 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2007 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2008 <        Noop r = new Noop();
2009 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
2010 <        f.complete(one);
2011 <        checkCompletedNormally(g, null);
2012 <        f2.complete(one);
2013 <        checkCompletedNormally(g, null);
2014 <        assertTrue(r.ran);
2015 <
2016 <        r = new Noop();
2017 <        f = new CompletableFuture<>();
2018 <        f.complete(one);
2019 <        f2 = new CompletableFuture<>();
2020 <        g = f.runAfterEither(f2, r);
2021 <        checkCompletedNormally(g, null);
2022 <        assertTrue(r.ran);
2023 <    }
2005 >    public void testAcceptEither_normalCompletion() {
2006 >        for (ExecutionMode m : ExecutionMode.values())
2007 >        for (Integer v1 : new Integer[] { 1, null })
2008 >        for (Integer v2 : new Integer[] { 2, null })
2009 >    {
2010 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2011 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2012 >        final NoopConsumer[] rs = new NoopConsumer[6];
2013 >        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2014 >
2015 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2016 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2017 >        checkIncomplete(h0);
2018 >        checkIncomplete(h1);
2019 >        rs[0].assertNotInvoked();
2020 >        rs[1].assertNotInvoked();
2021 >        f.complete(v1);
2022 >        checkCompletedNormally(h0, null);
2023 >        checkCompletedNormally(h1, null);
2024 >        rs[0].assertValue(v1);
2025 >        rs[1].assertValue(v1);
2026 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2027 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2028 >        checkCompletedNormally(h2, null);
2029 >        checkCompletedNormally(h3, null);
2030 >        rs[2].assertValue(v1);
2031 >        rs[3].assertValue(v1);
2032 >        g.complete(v2);
2033 >
2034 >        // unspecified behavior - both source completions available
2035 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2036 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2037 >        checkCompletedNormally(h4, null);
2038 >        checkCompletedNormally(h5, null);
2039 >        assertTrue(Objects.equals(v1, rs[4].value) ||
2040 >                   Objects.equals(v2, rs[4].value));
2041 >        assertTrue(Objects.equals(v1, rs[5].value) ||
2042 >                   Objects.equals(v2, rs[5].value));
2043 >
2044 >        checkCompletedNormally(f, v1);
2045 >        checkCompletedNormally(g, v2);
2046 >        checkCompletedNormally(h0, null);
2047 >        checkCompletedNormally(h1, null);
2048 >        checkCompletedNormally(h2, null);
2049 >        checkCompletedNormally(h3, null);
2050 >        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2051 >    }}
2052  
2053      /**
2054 <     * runAfterEither result completes exceptionally after exceptional
2054 >     * acceptEither result completes exceptionally after exceptional
2055       * completion of either source
2056       */
2057 <    public void testRunAfterEither2() {
2058 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2059 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2060 <        Noop r = new Noop();
2061 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
2062 <        f.completeExceptionally(new CFException());
2063 <        f2.complete(one);
2064 <        checkCompletedWithWrappedCFException(g);
2065 <
2066 <        r = new Noop();
2067 <        f = new CompletableFuture<>();
2068 <        f2 = new CompletableFuture<>();
2069 <        f2.completeExceptionally(new CFException());
2070 <        g = f.runAfterEither(f2, r);
2071 <        checkCompletedWithWrappedCFException(g);
2072 <    }
2073 <
2074 <    /**
2075 <     * runAfterEither result completes exceptionally if action does
2076 <     */
2077 <    public void testRunAfterEither3() {
2078 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2079 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2080 <        FailingNoop r = new FailingNoop();
2081 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
2082 <        f2.complete(two);
2083 <        checkCompletedWithWrappedCFException(g);
2084 <    }
2085 <
1228 <    /**
1229 <     * runAfterEither result completes exceptionally if either source cancelled
1230 <     */
1231 <    public void testRunAfterEither4() {
1232 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1233 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1234 <        Noop r = new Noop();
1235 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
1236 <        assertTrue(f.cancel(true));
1237 <        checkCompletedWithWrappedCancellationException(g);
1238 <        f = new CompletableFuture<>();
1239 <        f2 = new CompletableFuture<>();
1240 <        assertTrue(f2.cancel(true));
1241 <        checkCompletedWithWrappedCancellationException(g);
1242 <    }
1243 <
1244 <    /**
1245 <     * thenCompose result completes normally after normal completion of source
1246 <     */
1247 <    public void testThenCompose() {
1248 <        CompletableFuture<Integer> f, g;
1249 <        CompletableFutureInc r;
1250 <
1251 <        f = new CompletableFuture<>();
1252 <        g = f.thenCompose(r = new CompletableFutureInc());
1253 <        f.complete(one);
1254 <        checkCompletedNormally(g, two);
1255 <        assertTrue(r.ran);
1256 <
1257 <        f = new CompletableFuture<>();
1258 <        f.complete(one);
1259 <        g = f.thenCompose(r = new CompletableFutureInc());
1260 <        checkCompletedNormally(g, two);
1261 <        assertTrue(r.ran);
1262 <    }
1263 <
1264 <    /**
1265 <     * thenCompose result completes exceptionally after exceptional
1266 <     * completion of source
1267 <     */
1268 <    public void testThenCompose2() {
1269 <        CompletableFuture<Integer> f, g;
1270 <        CompletableFutureInc r;
1271 <
1272 <        f = new CompletableFuture<>();
1273 <        g = f.thenCompose(r = new CompletableFutureInc());
1274 <        f.completeExceptionally(new CFException());
1275 <        checkCompletedWithWrappedCFException(g);
1276 <
1277 <        f = new CompletableFuture<>();
1278 <        f.completeExceptionally(new CFException());
1279 <        g = f.thenCompose(r = new CompletableFutureInc());
1280 <        checkCompletedWithWrappedCFException(g);
1281 <    }
1282 <
1283 <    /**
1284 <     * thenCompose result completes exceptionally if action does
1285 <     */
1286 <    public void testThenCompose3() {
1287 <        CompletableFuture<Integer> f, g;
1288 <        FailingCompletableFutureFunction r;
1289 <
1290 <        f = new CompletableFuture<>();
1291 <        g = f.thenCompose(r = new FailingCompletableFutureFunction());
1292 <        f.complete(one);
1293 <        checkCompletedWithWrappedCFException(g);
1294 <
1295 <        f = new CompletableFuture<>();
1296 <        f.complete(one);
1297 <        g = f.thenCompose(r = new FailingCompletableFutureFunction());
1298 <        checkCompletedWithWrappedCFException(g);
1299 <    }
1300 <
1301 <    /**
1302 <     * thenCompose result completes exceptionally if source cancelled
1303 <     */
1304 <    public void testThenCompose4() {
1305 <        CompletableFuture<Integer> f, g;
1306 <        CompletableFutureInc r;
1307 <
1308 <        f = new CompletableFuture<>();
1309 <        g = f.thenCompose(r = new CompletableFutureInc());
1310 <        assertTrue(f.cancel(true));
1311 <        checkCompletedWithWrappedCancellationException(g);
1312 <
1313 <        f = new CompletableFuture<>();
1314 <        assertTrue(f.cancel(true));
1315 <        g = f.thenCompose(r = new CompletableFutureInc());
1316 <        checkCompletedWithWrappedCancellationException(g);
1317 <    }
1318 <
1319 <    // asyncs
1320 <
1321 <    /**
1322 <     * thenRunAsync result completes normally after normal completion of source
1323 <     */
1324 <    public void testThenRunAsync() {
1325 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1326 <        Noop r = new Noop();
1327 <        CompletableFuture<Void> g = f.thenRunAsync(r);
1328 <        f.complete(null);
1329 <        checkCompletedNormally(g, null);
1330 <
1331 <        // reordered version
1332 <        f = new CompletableFuture<>();
1333 <        f.complete(null);
1334 <        r = new Noop();
1335 <        g = f.thenRunAsync(r);
1336 <        checkCompletedNormally(g, null);
1337 <    }
1338 <
1339 <    /**
1340 <     * thenRunAsync result completes exceptionally after exceptional
1341 <     * completion of source
1342 <     */
1343 <    public void testThenRunAsync2() {
1344 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1345 <        Noop r = new Noop();
1346 <        CompletableFuture<Void> g = f.thenRunAsync(r);
1347 <        f.completeExceptionally(new CFException());
2057 >    public void testAcceptEither_exceptionalCompletion() {
2058 >        for (ExecutionMode m : ExecutionMode.values())
2059 >        for (Integer v1 : new Integer[] { 1, null })
2060 >    {
2061 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2062 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2063 >        final CFException ex = new CFException();
2064 >        final NoopConsumer[] rs = new NoopConsumer[6];
2065 >        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2066 >
2067 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2068 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2069 >        checkIncomplete(h0);
2070 >        checkIncomplete(h1);
2071 >        rs[0].assertNotInvoked();
2072 >        rs[1].assertNotInvoked();
2073 >        f.completeExceptionally(ex);
2074 >        checkCompletedWithWrappedCFException(h0, ex);
2075 >        checkCompletedWithWrappedCFException(h1, ex);
2076 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2077 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2078 >        checkCompletedWithWrappedCFException(h2, ex);
2079 >        checkCompletedWithWrappedCFException(h3, ex);
2080 >
2081 >        g.complete(v1);
2082 >
2083 >        // unspecified behavior - both source completions available
2084 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2085 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2086          try {
2087 <            g.join();
2088 <            shouldThrow();
2089 <        } catch (CompletionException success) {}
2090 <        checkCompletedWithWrappedCFException(g);
2091 <    }
2092 <
1355 <    /**
1356 <     * thenRunAsync result completes exceptionally if action does
1357 <     */
1358 <    public void testThenRunAsync3() {
1359 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1360 <        FailingNoop r = new FailingNoop();
1361 <        CompletableFuture<Void> g = f.thenRunAsync(r);
1362 <        f.complete(null);
1363 <        checkCompletedWithWrappedCFException(g);
1364 <    }
1365 <
1366 <    /**
1367 <     * thenRunAsync result completes exceptionally if source cancelled
1368 <     */
1369 <    public void testThenRunAsync4() {
1370 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1371 <        Noop r = new Noop();
1372 <        CompletableFuture<Void> g = f.thenRunAsync(r);
1373 <        assertTrue(f.cancel(true));
1374 <        checkCompletedWithWrappedCancellationException(g);
1375 <    }
1376 <
1377 <    /**
1378 <     * thenApplyAsync result completes normally after normal completion of source
1379 <     */
1380 <    public void testThenApplyAsync() {
1381 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1382 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1383 <        f.complete(one);
1384 <        checkCompletedNormally(g, two);
1385 <    }
1386 <
1387 <    /**
1388 <     * thenApplyAsync result completes exceptionally after exceptional
1389 <     * completion of source
1390 <     */
1391 <    public void testThenApplyAsync2() {
1392 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1393 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1394 <        f.completeExceptionally(new CFException());
1395 <        checkCompletedWithWrappedCFException(g);
1396 <    }
1397 <
1398 <    /**
1399 <     * thenApplyAsync result completes exceptionally if action does
1400 <     */
1401 <    public void testThenApplyAsync3() {
1402 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1403 <        FailingFunction r = new FailingFunction();
1404 <        CompletableFuture<Integer> g = f.thenApplyAsync(r);
1405 <        f.complete(null);
1406 <        checkCompletedWithWrappedCFException(g);
1407 <    }
1408 <
1409 <    /**
1410 <     * thenApplyAsync result completes exceptionally if source cancelled
1411 <     */
1412 <    public void testThenApplyAsync4() {
1413 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1414 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1415 <        assertTrue(f.cancel(true));
1416 <        checkCompletedWithWrappedCancellationException(g);
1417 <    }
1418 <
1419 <    /**
1420 <     * thenAcceptAsync result completes normally after normal
1421 <     * completion of source
1422 <     */
1423 <    public void testThenAcceptAsync() {
1424 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1425 <        IncAction r = new IncAction();
1426 <        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1427 <        f.complete(one);
1428 <        checkCompletedNormally(g, null);
1429 <        assertEquals(r.value, 2);
1430 <    }
1431 <
1432 <    /**
1433 <     * thenAcceptAsync result completes exceptionally after exceptional
1434 <     * completion of source
1435 <     */
1436 <    public void testThenAcceptAsync2() {
1437 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1438 <        IncAction r = new IncAction();
1439 <        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1440 <        f.completeExceptionally(new CFException());
1441 <        checkCompletedWithWrappedCFException(g);
1442 <    }
1443 <
1444 <    /**
1445 <     * thenAcceptAsync result completes exceptionally if action does
1446 <     */
1447 <    public void testThenAcceptAsync3() {
1448 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1449 <        FailingConsumer r = new FailingConsumer();
1450 <        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1451 <        f.complete(null);
1452 <        checkCompletedWithWrappedCFException(g);
1453 <    }
1454 <
1455 <    /**
1456 <     * thenAcceptAsync result completes exceptionally if source cancelled
1457 <     */
1458 <    public void testThenAcceptAsync4() {
1459 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1460 <        IncAction r = new IncAction();
1461 <        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1462 <        assertTrue(f.cancel(true));
1463 <        checkCompletedWithWrappedCancellationException(g);
1464 <    }
1465 <
1466 <    /**
1467 <     * thenCombineAsync result completes normally after normal
1468 <     * completion of sources
1469 <     */
1470 <    public void testThenCombineAsync() {
1471 <        CompletableFuture<Integer> f, g, h;
1472 <
1473 <        f = new CompletableFuture<>();
1474 <        g = new CompletableFuture<>();
1475 <        h = f.thenCombineAsync(g, subtract);
1476 <        f.complete(3);
1477 <        checkIncomplete(h);
1478 <        g.complete(1);
1479 <        checkCompletedNormally(h, 2);
1480 <
1481 <        f = new CompletableFuture<>();
1482 <        g = new CompletableFuture<>();
1483 <        h = f.thenCombineAsync(g, subtract);
1484 <        g.complete(1);
1485 <        checkIncomplete(h);
1486 <        f.complete(3);
1487 <        checkCompletedNormally(h, 2);
1488 <
1489 <        f = new CompletableFuture<>();
1490 <        g = new CompletableFuture<>();
1491 <        g.complete(1);
1492 <        f.complete(3);
1493 <        h = f.thenCombineAsync(g, subtract);
1494 <        checkCompletedNormally(h, 2);
1495 <    }
1496 <
1497 <    /**
1498 <     * thenCombineAsync result completes exceptionally after exceptional
1499 <     * completion of either source
1500 <     */
1501 <    public void testThenCombineAsync2() {
1502 <        CompletableFuture<Integer> f, g, h;
1503 <
1504 <        f = new CompletableFuture<>();
1505 <        g = new CompletableFuture<>();
1506 <        h = f.thenCombineAsync(g, subtract);
1507 <        f.completeExceptionally(new CFException());
1508 <        checkIncomplete(h);
1509 <        g.complete(1);
1510 <        checkCompletedWithWrappedCFException(h);
1511 <
1512 <        f = new CompletableFuture<>();
1513 <        g = new CompletableFuture<>();
1514 <        h = f.thenCombineAsync(g, subtract);
1515 <        g.completeExceptionally(new CFException());
1516 <        checkIncomplete(h);
1517 <        f.complete(3);
1518 <        checkCompletedWithWrappedCFException(h);
1519 <
1520 <        f = new CompletableFuture<>();
1521 <        g = new CompletableFuture<>();
1522 <        g.completeExceptionally(new CFException());
1523 <        f.complete(3);
1524 <        h = f.thenCombineAsync(g, subtract);
1525 <        checkCompletedWithWrappedCFException(h);
1526 <    }
1527 <
1528 <    /**
1529 <     * thenCombineAsync result completes exceptionally if action does
1530 <     */
1531 <    public void testThenCombineAsync3() {
1532 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1533 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1534 <        FailingBiFunction r = new FailingBiFunction();
1535 <        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1536 <        f.complete(one);
1537 <        checkIncomplete(g);
1538 <        assertFalse(r.ran);
1539 <        f2.complete(two);
1540 <        checkCompletedWithWrappedCFException(g);
1541 <        assertTrue(r.ran);
1542 <    }
1543 <
1544 <    /**
1545 <     * thenCombineAsync result completes exceptionally if either source cancelled
1546 <     */
1547 <    public void testThenCombineAsync4() {
1548 <        CompletableFuture<Integer> f, g, h;
1549 <
1550 <        f = new CompletableFuture<>();
1551 <        g = new CompletableFuture<>();
1552 <        h = f.thenCombineAsync(g, subtract);
1553 <        assertTrue(f.cancel(true));
1554 <        checkIncomplete(h);
1555 <        g.complete(1);
1556 <        checkCompletedWithWrappedCancellationException(h);
1557 <
1558 <        f = new CompletableFuture<>();
1559 <        g = new CompletableFuture<>();
1560 <        h = f.thenCombineAsync(g, subtract);
1561 <        assertTrue(g.cancel(true));
1562 <        checkIncomplete(h);
1563 <        f.complete(3);
1564 <        checkCompletedWithWrappedCancellationException(h);
1565 <
1566 <        f = new CompletableFuture<>();
1567 <        g = new CompletableFuture<>();
1568 <        g.complete(3);
1569 <        assertTrue(f.cancel(true));
1570 <        h = f.thenCombineAsync(g, subtract);
1571 <        checkCompletedWithWrappedCancellationException(h);
1572 <
1573 <        f = new CompletableFuture<>();
1574 <        g = new CompletableFuture<>();
1575 <        f.complete(3);
1576 <        assertTrue(g.cancel(true));
1577 <        h = f.thenCombineAsync(g, subtract);
1578 <        checkCompletedWithWrappedCancellationException(h);
1579 <    }
1580 <
1581 <    /**
1582 <     * thenAcceptBothAsync result completes normally after normal
1583 <     * completion of sources
1584 <     */
1585 <    public void testThenAcceptBothAsync() {
1586 <        CompletableFuture<Integer> f, g;
1587 <        CompletableFuture<Void> h;
1588 <        SubtractAction r;
1589 <
1590 <        f = new CompletableFuture<>();
1591 <        g = new CompletableFuture<>();
1592 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1593 <        f.complete(3);
1594 <        checkIncomplete(h);
1595 <        g.complete(1);
1596 <        checkCompletedNormally(h, null);
1597 <        assertEquals(r.value, 2);
1598 <
1599 <        f = new CompletableFuture<>();
1600 <        g = new CompletableFuture<>();
1601 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1602 <        g.complete(1);
1603 <        checkIncomplete(h);
1604 <        f.complete(3);
1605 <        checkCompletedNormally(h, null);
1606 <        assertEquals(r.value, 2);
1607 <
1608 <        f = new CompletableFuture<>();
1609 <        g = new CompletableFuture<>();
1610 <        g.complete(1);
1611 <        f.complete(3);
1612 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1613 <        checkCompletedNormally(h, null);
1614 <        assertEquals(r.value, 2);
1615 <    }
1616 <
1617 <    /**
1618 <     * thenAcceptBothAsync result completes exceptionally after exceptional
1619 <     * completion of source
1620 <     */
1621 <    public void testThenAcceptBothAsync2() {
1622 <        CompletableFuture<Integer> f, g;
1623 <        CompletableFuture<Void> h;
1624 <        SubtractAction r;
1625 <
1626 <        f = new CompletableFuture<>();
1627 <        g = new CompletableFuture<>();
1628 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1629 <        f.completeExceptionally(new CFException());
1630 <        checkIncomplete(h);
1631 <        g.complete(1);
1632 <        checkCompletedWithWrappedCFException(h);
1633 <
1634 <        f = new CompletableFuture<>();
1635 <        g = new CompletableFuture<>();
1636 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1637 <        g.completeExceptionally(new CFException());
1638 <        checkIncomplete(h);
1639 <        f.complete(3);
1640 <        checkCompletedWithWrappedCFException(h);
1641 <
1642 <        f = new CompletableFuture<>();
1643 <        g = new CompletableFuture<>();
1644 <        f.complete(3);
1645 <        g.completeExceptionally(new CFException());
1646 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1647 <        checkCompletedWithWrappedCFException(h);
1648 <
1649 <        f = new CompletableFuture<>();
1650 <        g = new CompletableFuture<>();
1651 <        f.completeExceptionally(new CFException());
1652 <        g.complete(3);
1653 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1654 <        checkCompletedWithWrappedCFException(h);
1655 <    }
1656 <
1657 <    /**
1658 <     * thenAcceptBothAsync result completes exceptionally if action does
1659 <     */
1660 <    public void testThenAcceptBothAsync3() {
1661 <        CompletableFuture<Integer> f, g;
1662 <        CompletableFuture<Void> h;
1663 <        FailingBiConsumer r;
1664 <
1665 <        f = new CompletableFuture<>();
1666 <        g = new CompletableFuture<>();
1667 <        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1668 <        f.complete(3);
1669 <        checkIncomplete(h);
1670 <        g.complete(1);
1671 <        checkCompletedWithWrappedCFException(h);
1672 <
1673 <        f = new CompletableFuture<>();
1674 <        g = new CompletableFuture<>();
1675 <        f.complete(3);
1676 <        g.complete(1);
1677 <        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1678 <        checkCompletedWithWrappedCFException(h);
1679 <    }
1680 <
1681 <    /**
1682 <     * thenAcceptBothAsync result completes exceptionally if either source cancelled
1683 <     */
1684 <    public void testThenAcceptBothAsync4() {
1685 <        CompletableFuture<Integer> f, g;
1686 <        CompletableFuture<Void> h;
1687 <        SubtractAction r;
1688 <
1689 <        f = new CompletableFuture<>();
1690 <        g = new CompletableFuture<>();
1691 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1692 <        assertTrue(f.cancel(true));
1693 <        checkIncomplete(h);
1694 <        g.complete(1);
1695 <        checkCompletedWithWrappedCancellationException(h);
1696 <
1697 <        f = new CompletableFuture<>();
1698 <        g = new CompletableFuture<>();
1699 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1700 <        assertTrue(g.cancel(true));
1701 <        checkIncomplete(h);
1702 <        f.complete(3);
1703 <        checkCompletedWithWrappedCancellationException(h);
1704 <
1705 <        f = new CompletableFuture<>();
1706 <        g = new CompletableFuture<>();
1707 <        f.complete(3);
1708 <        assertTrue(g.cancel(true));
1709 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1710 <        checkCompletedWithWrappedCancellationException(h);
1711 <
1712 <        f = new CompletableFuture<>();
1713 <        g = new CompletableFuture<>();
1714 <        assertTrue(f.cancel(true));
1715 <        g.complete(3);
1716 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1717 <        checkCompletedWithWrappedCancellationException(h);
1718 <    }
1719 <
1720 <    /**
1721 <     * runAfterBothAsync result completes normally after normal
1722 <     * completion of sources
1723 <     */
1724 <    public void testRunAfterBothAsync() {
1725 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1726 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1727 <        Noop r = new Noop();
1728 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1729 <        f.complete(one);
1730 <        checkIncomplete(g);
1731 <        f2.complete(two);
1732 <        checkCompletedNormally(g, null);
1733 <        assertTrue(r.ran);
1734 <    }
1735 <
1736 <    /**
1737 <     * runAfterBothAsync result completes exceptionally after exceptional
1738 <     * completion of source
1739 <     */
1740 <    public void testRunAfterBothAsync2() {
1741 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1742 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1743 <        Noop r = new Noop();
1744 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1745 <        f.completeExceptionally(new CFException());
1746 <        f2.complete(two);
1747 <        checkCompletedWithWrappedCFException(g);
1748 <
1749 <        r = new Noop();
1750 <        f = new CompletableFuture<>();
1751 <        f2 = new CompletableFuture<>();
1752 <        g = f.runAfterBothAsync(f2, r);
1753 <        f.complete(one);
1754 <        f2.completeExceptionally(new CFException());
1755 <        checkCompletedWithWrappedCFException(g);
1756 <    }
1757 <
1758 <    /**
1759 <     * runAfterBothAsync result completes exceptionally if action does
1760 <     */
1761 <    public void testRunAfterBothAsync3() {
1762 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1763 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1764 <        FailingNoop r = new FailingNoop();
1765 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1766 <        f.complete(one);
1767 <        checkIncomplete(g);
1768 <        f2.complete(two);
1769 <        checkCompletedWithWrappedCFException(g);
1770 <    }
1771 <
1772 <    /**
1773 <     * runAfterBothAsync result completes exceptionally if either source cancelled
1774 <     */
1775 <    public void testRunAfterBothAsync4() {
1776 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1777 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1778 <        Noop r = new Noop();
1779 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1780 <        assertTrue(f.cancel(true));
1781 <        f2.complete(two);
1782 <        checkCompletedWithWrappedCancellationException(g);
1783 <
1784 <        r = new Noop();
1785 <        f = new CompletableFuture<>();
1786 <        f2 = new CompletableFuture<>();
1787 <        g = f.runAfterBothAsync(f2, r);
1788 <        f.complete(one);
1789 <        assertTrue(f2.cancel(true));
1790 <        checkCompletedWithWrappedCancellationException(g);
1791 <    }
1792 <
1793 <    /**
1794 <     * applyToEitherAsync result completes normally after normal
1795 <     * completion of sources
1796 <     */
1797 <    public void testApplyToEitherAsync() {
1798 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1799 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1800 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1801 <        f.complete(one);
1802 <        checkCompletedNormally(g, two);
1803 <
1804 <        f = new CompletableFuture<>();
1805 <        f.complete(one);
1806 <        f2 = new CompletableFuture<>();
1807 <        g = f.applyToEitherAsync(f2, inc);
1808 <        checkCompletedNormally(g, two);
1809 <    }
1810 <
1811 <    /**
1812 <     * applyToEitherAsync result completes exceptionally after exceptional
1813 <     * completion of source
1814 <     */
1815 <    public void testApplyToEitherAsync2() {
1816 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1817 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1818 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1819 <        f.completeExceptionally(new CFException());
1820 <        checkCompletedWithWrappedCFException(g);
1821 <
1822 <        f = new CompletableFuture<>();
1823 <        f2 = new CompletableFuture<>();
1824 <        f2.completeExceptionally(new CFException());
1825 <        g = f.applyToEitherAsync(f2, inc);
1826 <        f.complete(one);
1827 <        checkCompletedWithWrappedCFException(g);
1828 <    }
1829 <
1830 <    /**
1831 <     * applyToEitherAsync result completes exceptionally if action does
1832 <     */
1833 <    public void testApplyToEitherAsync3() {
1834 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1835 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1836 <        FailingFunction r = new FailingFunction();
1837 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1838 <        f.complete(one);
1839 <        checkCompletedWithWrappedCFException(g);
1840 <    }
1841 <
1842 <    /**
1843 <     * applyToEitherAsync result completes exceptionally if either source cancelled
1844 <     */
1845 <    public void testApplyToEitherAsync4() {
1846 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1847 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1848 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1849 <        assertTrue(f.cancel(true));
1850 <        checkCompletedWithWrappedCancellationException(g);
1851 <
1852 <        f = new CompletableFuture<>();
1853 <        f2 = new CompletableFuture<>();
1854 <        assertTrue(f2.cancel(true));
1855 <        g = f.applyToEitherAsync(f2, inc);
1856 <        checkCompletedWithWrappedCancellationException(g);
1857 <    }
1858 <
1859 <    /**
1860 <     * acceptEitherAsync result completes normally after normal
1861 <     * completion of sources
1862 <     */
1863 <    public void testAcceptEitherAsync() {
1864 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1865 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1866 <        IncAction r = new IncAction();
1867 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1868 <        f.complete(one);
1869 <        checkCompletedNormally(g, null);
1870 <        assertEquals(r.value, 2);
1871 <
1872 <        r = new IncAction();
1873 <        f = new CompletableFuture<>();
1874 <        f.complete(one);
1875 <        f2 = new CompletableFuture<>();
1876 <        g = f.acceptEitherAsync(f2, r);
1877 <        checkCompletedNormally(g, null);
1878 <        assertEquals(r.value, 2);
1879 <    }
1880 <
1881 <    /**
1882 <     * acceptEitherAsync result completes exceptionally after exceptional
1883 <     * completion of source
1884 <     */
1885 <    public void testAcceptEitherAsync2() {
1886 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1887 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1888 <        IncAction r = new IncAction();
1889 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1890 <        f.completeExceptionally(new CFException());
1891 <        checkCompletedWithWrappedCFException(g);
1892 <
1893 <        r = new IncAction();
1894 <        f = new CompletableFuture<>();
1895 <        f2 = new CompletableFuture<>();
1896 <        f2.completeExceptionally(new CFException());
1897 <        g = f.acceptEitherAsync(f2, r);
1898 <        f.complete(one);
1899 <        checkCompletedWithWrappedCFException(g);
1900 <    }
1901 <
1902 <    /**
1903 <     * acceptEitherAsync result completes exceptionally if action does
1904 <     */
1905 <    public void testAcceptEitherAsync3() {
1906 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1907 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1908 <        FailingConsumer r = new FailingConsumer();
1909 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1910 <        f.complete(one);
1911 <        checkCompletedWithWrappedCFException(g);
1912 <    }
1913 <
1914 <    /**
1915 <     * acceptEitherAsync result completes exceptionally if either
1916 <     * source cancelled
1917 <     */
1918 <    public void testAcceptEitherAsync4() {
1919 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1920 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1921 <        IncAction r = new IncAction();
1922 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1923 <        assertTrue(f.cancel(true));
1924 <        checkCompletedWithWrappedCancellationException(g);
1925 <
1926 <        r = new IncAction();
1927 <        f = new CompletableFuture<>();
1928 <        f2 = new CompletableFuture<>();
1929 <        assertTrue(f2.cancel(true));
1930 <        g = f.acceptEitherAsync(f2, r);
1931 <        checkCompletedWithWrappedCancellationException(g);
1932 <    }
1933 <
1934 <    /**
1935 <     * runAfterEitherAsync result completes normally after normal
1936 <     * completion of sources
1937 <     */
1938 <    public void testRunAfterEitherAsync() {
1939 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1940 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1941 <        Noop r = new Noop();
1942 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1943 <        f.complete(one);
1944 <        checkCompletedNormally(g, null);
1945 <        assertTrue(r.ran);
1946 <
1947 <        r = new Noop();
1948 <        f = new CompletableFuture<>();
1949 <        f.complete(one);
1950 <        f2 = new CompletableFuture<>();
1951 <        g = f.runAfterEitherAsync(f2, r);
1952 <        checkCompletedNormally(g, null);
1953 <        assertTrue(r.ran);
1954 <    }
1955 <
1956 <    /**
1957 <     * runAfterEitherAsync result completes exceptionally after exceptional
1958 <     * completion of source
1959 <     */
1960 <    public void testRunAfterEitherAsync2() {
1961 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1962 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1963 <        Noop r = new Noop();
1964 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1965 <        f.completeExceptionally(new CFException());
1966 <        checkCompletedWithWrappedCFException(g);
1967 <
1968 <        r = new Noop();
1969 <        f = new CompletableFuture<>();
1970 <        f2 = new CompletableFuture<>();
1971 <        f2.completeExceptionally(new CFException());
1972 <        g = f.runAfterEitherAsync(f2, r);
1973 <        f.complete(one);
1974 <        checkCompletedWithWrappedCFException(g);
1975 <    }
1976 <
1977 <    /**
1978 <     * runAfterEitherAsync result completes exceptionally if action does
1979 <     */
1980 <    public void testRunAfterEitherAsync3() {
1981 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1982 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1983 <        FailingNoop r = new FailingNoop();
1984 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1985 <        f.complete(one);
1986 <        checkCompletedWithWrappedCFException(g);
1987 <    }
1988 <
1989 <    /**
1990 <     * runAfterEitherAsync result completes exceptionally if either
1991 <     * source cancelled
1992 <     */
1993 <    public void testRunAfterEitherAsync4() {
1994 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1995 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1996 <        Noop r = new Noop();
1997 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1998 <        assertTrue(f.cancel(true));
1999 <        checkCompletedWithWrappedCancellationException(g);
2000 <
2001 <        r = new Noop();
2002 <        f = new CompletableFuture<>();
2003 <        f2 = new CompletableFuture<>();
2004 <        assertTrue(f2.cancel(true));
2005 <        g = f.runAfterEitherAsync(f2, r);
2006 <        checkCompletedWithWrappedCancellationException(g);
2007 <    }
2008 <
2009 <    /**
2010 <     * thenComposeAsync result completes normally after normal
2011 <     * completion of source
2012 <     */
2013 <    public void testThenComposeAsync() {
2014 <        CompletableFuture<Integer> f, g;
2015 <        CompletableFutureInc r;
2016 <
2017 <        f = new CompletableFuture<>();
2018 <        g = f.thenComposeAsync(r = new CompletableFutureInc());
2019 <        f.complete(one);
2020 <        checkCompletedNormally(g, two);
2021 <
2022 <        f = new CompletableFuture<>();
2023 <        f.complete(one);
2024 <        g = f.thenComposeAsync(r = new CompletableFutureInc());
2025 <        checkCompletedNormally(g, two);
2026 <    }
2027 <
2028 <    /**
2029 <     * thenComposeAsync result completes exceptionally after
2030 <     * exceptional completion of source
2031 <     */
2032 <    public void testThenComposeAsync2() {
2033 <        CompletableFuture<Integer> f, g;
2034 <        CompletableFutureInc r;
2035 <
2036 <        f = new CompletableFuture<>();
2037 <        g = f.thenComposeAsync(r = new CompletableFutureInc());
2038 <        f.completeExceptionally(new CFException());
2039 <        checkCompletedWithWrappedCFException(g);
2040 <        assertFalse(r.ran);
2041 <
2042 <        f = new CompletableFuture<>();
2043 <        f.completeExceptionally(new CFException());
2044 <        g = f.thenComposeAsync(r = new CompletableFutureInc());
2045 <        checkCompletedWithWrappedCFException(g);
2046 <        assertFalse(r.ran);
2047 <    }
2048 <
2049 <    /**
2050 <     * thenComposeAsync result completes exceptionally if action does
2051 <     */
2052 <    public void testThenComposeAsync3() {
2053 <        CompletableFuture<Integer> f, g;
2054 <        FailingCompletableFutureFunction r;
2055 <
2056 <        f = new CompletableFuture<>();
2057 <        g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2058 <        f.complete(one);
2059 <        checkCompletedWithWrappedCFException(g);
2060 <
2061 <        f = new CompletableFuture<>();
2062 <        f.complete(one);
2063 <        g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2064 <        checkCompletedWithWrappedCFException(g);
2065 <    }
2066 <
2067 <    /**
2068 <     * thenComposeAsync result completes exceptionally if source cancelled
2069 <     */
2070 <    public void testThenComposeAsync4() {
2071 <        CompletableFuture<Integer> f, g;
2072 <        CompletableFutureInc r;
2073 <
2074 <        f = new CompletableFuture<>();
2075 <        g = f.thenComposeAsync(r = new CompletableFutureInc());
2076 <        assertTrue(f.cancel(true));
2077 <        checkCompletedWithWrappedCancellationException(g);
2078 <
2079 <        f = new CompletableFuture<>();
2080 <        assertTrue(f.cancel(true));
2081 <        g = f.thenComposeAsync(r = new CompletableFutureInc());
2082 <        checkCompletedWithWrappedCancellationException(g);
2083 <    }
2084 <
2085 <    // async with explicit executors
2086 <
2087 <    /**
2088 <     * thenRunAsync result completes normally after normal completion of source
2089 <     */
2090 <    public void testThenRunAsyncE() {
2091 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2092 <        Noop r = new Noop();
2093 <        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2094 <        f.complete(null);
2095 <        checkCompletedNormally(g, null);
2096 <
2097 <        // reordered version
2098 <        f = new CompletableFuture<>();
2099 <        f.complete(null);
2100 <        r = new Noop();
2101 <        g = f.thenRunAsync(r, new ThreadExecutor());
2102 <        checkCompletedNormally(g, null);
2103 <    }
2104 <
2105 <    /**
2106 <     * thenRunAsync result completes exceptionally after exceptional
2107 <     * completion of source
2108 <     */
2109 <    public void testThenRunAsync2E() {
2110 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2111 <        Noop r = new Noop();
2112 <        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2113 <        f.completeExceptionally(new CFException());
2087 >            assertNull(h4.join());
2088 >            rs[4].assertValue(v1);
2089 >        } catch (CompletionException ok) {
2090 >            checkCompletedWithWrappedCFException(h4, ex);
2091 >            rs[4].assertNotInvoked();
2092 >        }
2093          try {
2094 <            g.join();
2095 <            shouldThrow();
2096 <        } catch (CompletionException success) {}
2097 <        checkCompletedWithWrappedCFException(g);
2098 <    }
2099 <
2121 <    /**
2122 <     * thenRunAsync result completes exceptionally if action does
2123 <     */
2124 <    public void testThenRunAsync3E() {
2125 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2126 <        FailingNoop r = new FailingNoop();
2127 <        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2128 <        f.complete(null);
2129 <        checkCompletedWithWrappedCFException(g);
2130 <    }
2131 <
2132 <    /**
2133 <     * thenRunAsync result completes exceptionally if source cancelled
2134 <     */
2135 <    public void testThenRunAsync4E() {
2136 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2137 <        Noop r = new Noop();
2138 <        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2139 <        assertTrue(f.cancel(true));
2140 <        checkCompletedWithWrappedCancellationException(g);
2141 <    }
2142 <
2143 <    /**
2144 <     * thenApplyAsync result completes normally after normal completion of source
2145 <     */
2146 <    public void testThenApplyAsyncE() {
2147 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2148 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2149 <        f.complete(one);
2150 <        checkCompletedNormally(g, two);
2151 <    }
2152 <
2153 <    /**
2154 <     * thenApplyAsync result completes exceptionally after exceptional
2155 <     * completion of source
2156 <     */
2157 <    public void testThenApplyAsync2E() {
2158 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2159 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2160 <        f.completeExceptionally(new CFException());
2161 <        checkCompletedWithWrappedCFException(g);
2162 <    }
2094 >            assertNull(h5.join());
2095 >            rs[5].assertValue(v1);
2096 >        } catch (CompletionException ok) {
2097 >            checkCompletedWithWrappedCFException(h5, ex);
2098 >            rs[5].assertNotInvoked();
2099 >        }
2100  
2101 <    /**
2102 <     * thenApplyAsync result completes exceptionally if action does
2103 <     */
2104 <    public void testThenApplyAsync3E() {
2105 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2106 <        FailingFunction r = new FailingFunction();
2107 <        CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2108 <        f.complete(null);
2109 <        checkCompletedWithWrappedCFException(g);
2110 <    }
2101 >        checkCompletedWithWrappedCFException(f, ex);
2102 >        checkCompletedNormally(g, v1);
2103 >        checkCompletedWithWrappedCFException(h0, ex);
2104 >        checkCompletedWithWrappedCFException(h1, ex);
2105 >        checkCompletedWithWrappedCFException(h2, ex);
2106 >        checkCompletedWithWrappedCFException(h3, ex);
2107 >        checkCompletedWithWrappedCFException(h4, ex);
2108 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2109 >    }}
2110 >
2111 >    public void testAcceptEither_exceptionalCompletion2() {
2112 >        for (ExecutionMode m : ExecutionMode.values())
2113 >        for (boolean fFirst : new boolean[] { true, false })
2114 >        for (Integer v1 : new Integer[] { 1, null })
2115 >    {
2116 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2117 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2118 >        final CFException ex = new CFException();
2119 >        final NoopConsumer[] rs = new NoopConsumer[6];
2120 >        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2121 >
2122 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2123 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2124 >        if (fFirst) {
2125 >            f.complete(v1);
2126 >            g.completeExceptionally(ex);
2127 >        } else {
2128 >            g.completeExceptionally(ex);
2129 >            f.complete(v1);
2130 >        }
2131 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2132 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2133  
2134 <    /**
2135 <     * thenApplyAsync result completes exceptionally if source cancelled
2136 <     */
2137 <    public void testThenApplyAsync4E() {
2138 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2139 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2140 <        assertTrue(f.cancel(true));
2141 <        checkCompletedWithWrappedCancellationException(g);
2142 <    }
2134 >        // unspecified behavior - both source completions available
2135 >        try {
2136 >            assertEquals(null, h0.join());
2137 >            rs[0].assertValue(v1);
2138 >        } catch (CompletionException ok) {
2139 >            checkCompletedWithWrappedCFException(h0, ex);
2140 >            rs[0].assertNotInvoked();
2141 >        }
2142 >        try {
2143 >            assertEquals(null, h1.join());
2144 >            rs[1].assertValue(v1);
2145 >        } catch (CompletionException ok) {
2146 >            checkCompletedWithWrappedCFException(h1, ex);
2147 >            rs[1].assertNotInvoked();
2148 >        }
2149 >        try {
2150 >            assertEquals(null, h2.join());
2151 >            rs[2].assertValue(v1);
2152 >        } catch (CompletionException ok) {
2153 >            checkCompletedWithWrappedCFException(h2, ex);
2154 >            rs[2].assertNotInvoked();
2155 >        }
2156 >        try {
2157 >            assertEquals(null, h3.join());
2158 >            rs[3].assertValue(v1);
2159 >        } catch (CompletionException ok) {
2160 >            checkCompletedWithWrappedCFException(h3, ex);
2161 >            rs[3].assertNotInvoked();
2162 >        }
2163  
2164 <    /**
2165 <     * thenAcceptAsync result completes normally after normal
2166 <     * completion of source
2188 <     */
2189 <    public void testThenAcceptAsyncE() {
2190 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2191 <        IncAction r = new IncAction();
2192 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2193 <        f.complete(one);
2194 <        checkCompletedNormally(g, null);
2195 <        assertEquals(r.value, 2);
2196 <    }
2164 >        checkCompletedNormally(f, v1);
2165 >        checkCompletedWithWrappedCFException(g, ex);
2166 >    }}
2167  
2168      /**
2169 <     * thenAcceptAsync result completes exceptionally after exceptional
2200 <     * completion of source
2169 >     * acceptEither result completes exceptionally if either source cancelled
2170       */
2171 <    public void testThenAcceptAsync2E() {
2172 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2173 <        IncAction r = new IncAction();
2174 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2175 <        f.completeExceptionally(new CFException());
2176 <        checkCompletedWithWrappedCFException(g);
2177 <    }
2171 >    public void testAcceptEither_sourceCancelled() {
2172 >        for (ExecutionMode m : ExecutionMode.values())
2173 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2174 >        for (Integer v1 : new Integer[] { 1, null })
2175 >    {
2176 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2177 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2178 >        final NoopConsumer[] rs = new NoopConsumer[6];
2179 >        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2180 >
2181 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2182 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2183 >        checkIncomplete(h0);
2184 >        checkIncomplete(h1);
2185 >        rs[0].assertNotInvoked();
2186 >        rs[1].assertNotInvoked();
2187 >        f.cancel(mayInterruptIfRunning);
2188 >        checkCompletedWithWrappedCancellationException(h0);
2189 >        checkCompletedWithWrappedCancellationException(h1);
2190 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2191 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2192 >        checkCompletedWithWrappedCancellationException(h2);
2193 >        checkCompletedWithWrappedCancellationException(h3);
2194 >
2195 >        g.complete(v1);
2196 >
2197 >        // unspecified behavior - both source completions available
2198 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2199 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2200 >        try {
2201 >            assertNull(h4.join());
2202 >            rs[4].assertValue(v1);
2203 >        } catch (CompletionException ok) {
2204 >            checkCompletedWithWrappedCancellationException(h4);
2205 >            rs[4].assertNotInvoked();
2206 >        }
2207 >        try {
2208 >            assertNull(h5.join());
2209 >            rs[5].assertValue(v1);
2210 >        } catch (CompletionException ok) {
2211 >            checkCompletedWithWrappedCancellationException(h5);
2212 >            rs[5].assertNotInvoked();
2213 >        }
2214  
2215 <    /**
2216 <     * thenAcceptAsync result completes exceptionally if action does
2217 <     */
2218 <    public void testThenAcceptAsync3E() {
2219 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2220 <        FailingConsumer r = new FailingConsumer();
2221 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2222 <        f.complete(null);
2218 <        checkCompletedWithWrappedCFException(g);
2219 <    }
2215 >        checkCancelled(f);
2216 >        checkCompletedNormally(g, v1);
2217 >        checkCompletedWithWrappedCancellationException(h0);
2218 >        checkCompletedWithWrappedCancellationException(h1);
2219 >        checkCompletedWithWrappedCancellationException(h2);
2220 >        checkCompletedWithWrappedCancellationException(h3);
2221 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2222 >    }}
2223  
2224      /**
2225 <     * thenAcceptAsync result completes exceptionally if source cancelled
2225 >     * acceptEither result completes exceptionally if action does
2226       */
2227 <    public void testThenAcceptAsync4E() {
2228 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2229 <        IncAction r = new IncAction();
2230 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2231 <        assertTrue(f.cancel(true));
2232 <        checkCompletedWithWrappedCancellationException(g);
2233 <    }
2227 >    public void testAcceptEither_actionFailed() {
2228 >        for (ExecutionMode m : ExecutionMode.values())
2229 >        for (Integer v1 : new Integer[] { 1, null })
2230 >        for (Integer v2 : new Integer[] { 2, null })
2231 >    {
2232 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2233 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2234 >        final FailingConsumer[] rs = new FailingConsumer[6];
2235 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2236 >
2237 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2238 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2239 >        f.complete(v1);
2240 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2241 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2242 >        checkCompletedWithWrappedCFException(h0);
2243 >        checkCompletedWithWrappedCFException(h1);
2244 >        checkCompletedWithWrappedCFException(h2);
2245 >        checkCompletedWithWrappedCFException(h3);
2246 >        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2247 >
2248 >        g.complete(v2);
2249 >
2250 >        // unspecified behavior - both source completions available
2251 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2252 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2253 >
2254 >        checkCompletedWithWrappedCFException(h4);
2255 >        assertTrue(Objects.equals(v1, rs[4].value) ||
2256 >                   Objects.equals(v2, rs[4].value));
2257 >        checkCompletedWithWrappedCFException(h5);
2258 >        assertTrue(Objects.equals(v1, rs[5].value) ||
2259 >                   Objects.equals(v2, rs[5].value));
2260 >
2261 >        checkCompletedNormally(f, v1);
2262 >        checkCompletedNormally(g, v2);
2263 >    }}
2264  
2265      /**
2266 <     * thenCombineAsync result completes normally after normal
2267 <     * completion of sources
2266 >     * runAfterEither result completes normally after normal completion
2267 >     * of either source
2268       */
2269 <    public void testThenCombineAsyncE() {
2270 <        CompletableFuture<Integer> f, g, h;
2271 <        ThreadExecutor e = new ThreadExecutor();
2272 <        int count = 0;
2273 <
2274 <        f = new CompletableFuture<>();
2275 <        g = new CompletableFuture<>();
2276 <        h = f.thenCombineAsync(g, subtract, e);
2277 <        f.complete(3);
2278 <        checkIncomplete(h);
2279 <        g.complete(1);
2280 <        checkCompletedNormally(h, 2);
2281 <        assertEquals(++count, e.count.get());
2282 <
2283 <        f = new CompletableFuture<>();
2284 <        g = new CompletableFuture<>();
2285 <        h = f.thenCombineAsync(g, subtract, e);
2286 <        g.complete(1);
2287 <        checkIncomplete(h);
2288 <        f.complete(3);
2289 <        checkCompletedNormally(h, 2);
2290 <        assertEquals(++count, e.count.get());
2291 <
2292 <        f = new CompletableFuture<>();
2293 <        g = new CompletableFuture<>();
2294 <        g.complete(1);
2295 <        f.complete(3);
2296 <        h = f.thenCombineAsync(g, subtract, e);
2297 <        checkCompletedNormally(h, 2);
2298 <        assertEquals(++count, e.count.get());
2299 <    }
2269 >    public void testRunAfterEither_normalCompletion() {
2270 >        for (ExecutionMode m : ExecutionMode.values())
2271 >        for (Integer v1 : new Integer[] { 1, null })
2272 >        for (Integer v2 : new Integer[] { 2, null })
2273 >    {
2274 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2275 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2276 >        final Noop[] rs = new Noop[6];
2277 >        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2278 >
2279 >        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2280 >        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2281 >        checkIncomplete(h0);
2282 >        checkIncomplete(h1);
2283 >        rs[0].assertNotInvoked();
2284 >        rs[1].assertNotInvoked();
2285 >        f.complete(v1);
2286 >        checkCompletedNormally(h0, null);
2287 >        checkCompletedNormally(h1, null);
2288 >        rs[0].assertInvoked();
2289 >        rs[1].assertInvoked();
2290 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2291 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2292 >        checkCompletedNormally(h2, null);
2293 >        checkCompletedNormally(h3, null);
2294 >        rs[2].assertInvoked();
2295 >        rs[3].assertInvoked();
2296 >
2297 >        g.complete(v2);
2298 >
2299 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2300 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2301 >
2302 >        checkCompletedNormally(f, v1);
2303 >        checkCompletedNormally(g, v2);
2304 >        checkCompletedNormally(h0, null);
2305 >        checkCompletedNormally(h1, null);
2306 >        checkCompletedNormally(h2, null);
2307 >        checkCompletedNormally(h3, null);
2308 >        checkCompletedNormally(h4, null);
2309 >        checkCompletedNormally(h5, null);
2310 >        for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2311 >    }}
2312  
2313      /**
2314 <     * thenCombineAsync result completes exceptionally after exceptional
2314 >     * runAfterEither result completes exceptionally after exceptional
2315       * completion of either source
2316       */
2317 <    public void testThenCombineAsync2E() {
2318 <        CompletableFuture<Integer> f, g, h;
2319 <        ThreadExecutor e = new ThreadExecutor();
2320 <        int count = 0;
2321 <
2322 <        f = new CompletableFuture<>();
2323 <        g = new CompletableFuture<>();
2324 <        h = f.thenCombineAsync(g, subtract, e);
2325 <        f.completeExceptionally(new CFException());
2326 <        checkIncomplete(h);
2327 <        g.complete(1);
2328 <        checkCompletedWithWrappedCFException(h);
2329 <
2330 <        f = new CompletableFuture<>();
2331 <        g = new CompletableFuture<>();
2332 <        h = f.thenCombineAsync(g, subtract, e);
2333 <        g.completeExceptionally(new CFException());
2334 <        checkIncomplete(h);
2335 <        f.complete(3);
2336 <        checkCompletedWithWrappedCFException(h);
2337 <
2338 <        f = new CompletableFuture<>();
2339 <        g = new CompletableFuture<>();
2340 <        g.completeExceptionally(new CFException());
2341 <        h = f.thenCombineAsync(g, subtract, e);
2342 <        checkIncomplete(h);
2343 <        f.complete(3);
2344 <        checkCompletedWithWrappedCFException(h);
2345 <
2346 <        assertEquals(0, e.count.get());
2347 <    }
2348 <
2349 <    /**
2350 <     * thenCombineAsync result completes exceptionally if action does
2351 <     */
2352 <    public void testThenCombineAsync3E() {
2353 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2354 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2355 <        FailingBiFunction r = new FailingBiFunction();
2356 <        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2357 <        f.complete(one);
2358 <        checkIncomplete(g);
2359 <        assertFalse(r.ran);
2315 <        f2.complete(two);
2316 <        checkCompletedWithWrappedCFException(g);
2317 <        assertTrue(r.ran);
2318 <    }
2319 <
2320 <    /**
2321 <     * thenCombineAsync result completes exceptionally if either source cancelled
2322 <     */
2323 <    public void testThenCombineAsync4E() {
2324 <        CompletableFuture<Integer> f, g, h;
2325 <        ThreadExecutor e = new ThreadExecutor();
2326 <
2327 <        f = new CompletableFuture<>();
2328 <        g = new CompletableFuture<>();
2329 <        h = f.thenCombineAsync(g, subtract, e);
2330 <        assertTrue(f.cancel(true));
2331 <        checkIncomplete(h);
2332 <        g.complete(1);
2333 <        checkCompletedWithWrappedCancellationException(h);
2334 <
2335 <        f = new CompletableFuture<>();
2336 <        g = new CompletableFuture<>();
2337 <        h = f.thenCombineAsync(g, subtract, e);
2338 <        assertTrue(g.cancel(true));
2339 <        checkIncomplete(h);
2340 <        f.complete(3);
2341 <        checkCompletedWithWrappedCancellationException(h);
2342 <
2343 <        f = new CompletableFuture<>();
2344 <        g = new CompletableFuture<>();
2345 <        assertTrue(g.cancel(true));
2346 <        h = f.thenCombineAsync(g, subtract, e);
2347 <        checkIncomplete(h);
2348 <        f.complete(3);
2349 <        checkCompletedWithWrappedCancellationException(h);
2350 <
2351 <        f = new CompletableFuture<>();
2352 <        g = new CompletableFuture<>();
2353 <        assertTrue(f.cancel(true));
2354 <        assertTrue(g.cancel(true));
2355 <        h = f.thenCombineAsync(g, subtract, e);
2356 <        checkCompletedWithWrappedCancellationException(h);
2357 <
2358 <        assertEquals(0, e.count.get());
2359 <    }
2360 <
2361 <    /**
2362 <     * thenAcceptBothAsync result completes normally after normal
2363 <     * completion of sources
2364 <     */
2365 <    public void testThenAcceptBothAsyncE() {
2366 <        CompletableFuture<Integer> f, g;
2367 <        CompletableFuture<Void> h;
2368 <        SubtractAction r;
2369 <        ThreadExecutor e = new ThreadExecutor();
2370 <
2371 <        f = new CompletableFuture<>();
2372 <        g = new CompletableFuture<>();
2373 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2374 <        f.complete(3);
2375 <        checkIncomplete(h);
2376 <        g.complete(1);
2377 <        checkCompletedNormally(h, null);
2378 <        assertEquals(r.value, 2);
2379 <
2380 <        f = new CompletableFuture<>();
2381 <        g = new CompletableFuture<>();
2382 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2383 <        g.complete(1);
2384 <        checkIncomplete(h);
2385 <        f.complete(3);
2386 <        checkCompletedNormally(h, null);
2387 <        assertEquals(r.value, 2);
2388 <
2389 <        f = new CompletableFuture<>();
2390 <        g = new CompletableFuture<>();
2391 <        g.complete(1);
2392 <        f.complete(3);
2393 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2394 <        checkCompletedNormally(h, null);
2395 <        assertEquals(r.value, 2);
2396 <
2397 <        assertEquals(3, e.count.get());
2398 <    }
2399 <
2400 <    /**
2401 <     * thenAcceptBothAsync result completes exceptionally after exceptional
2402 <     * completion of source
2403 <     */
2404 <    public void testThenAcceptBothAsync2E() {
2405 <        CompletableFuture<Integer> f, g;
2406 <        CompletableFuture<Void> h;
2407 <        SubtractAction r;
2408 <        ThreadExecutor e = new ThreadExecutor();
2409 <
2410 <        f = new CompletableFuture<>();
2411 <        g = new CompletableFuture<>();
2412 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2413 <        f.completeExceptionally(new CFException());
2414 <        checkIncomplete(h);
2415 <        g.complete(1);
2416 <        checkCompletedWithWrappedCFException(h);
2417 <
2418 <        f = new CompletableFuture<>();
2419 <        g = new CompletableFuture<>();
2420 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2421 <        g.completeExceptionally(new CFException());
2422 <        checkIncomplete(h);
2423 <        f.complete(3);
2424 <        checkCompletedWithWrappedCFException(h);
2425 <
2426 <        f = new CompletableFuture<>();
2427 <        g = new CompletableFuture<>();
2428 <        f.complete(3);
2429 <        g.completeExceptionally(new CFException());
2430 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2431 <        checkCompletedWithWrappedCFException(h);
2432 <
2433 <        f = new CompletableFuture<>();
2434 <        g = new CompletableFuture<>();
2435 <        f.completeExceptionally(new CFException());
2436 <        g.complete(3);
2437 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2438 <        checkCompletedWithWrappedCFException(h);
2439 <
2440 <        assertEquals(0, e.count.get());
2441 <    }
2442 <
2443 <    /**
2444 <     * thenAcceptBothAsync result completes exceptionally if action does
2445 <     */
2446 <    public void testThenAcceptBothAsync3E() {
2447 <        CompletableFuture<Integer> f, g;
2448 <        CompletableFuture<Void> h;
2449 <        FailingBiConsumer r;
2450 <        ThreadExecutor e = new ThreadExecutor();
2451 <
2452 <        f = new CompletableFuture<>();
2453 <        g = new CompletableFuture<>();
2454 <        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2455 <        f.complete(3);
2456 <        checkIncomplete(h);
2457 <        g.complete(1);
2458 <        checkCompletedWithWrappedCFException(h);
2459 <
2460 <        f = new CompletableFuture<>();
2461 <        g = new CompletableFuture<>();
2462 <        f.complete(3);
2463 <        g.complete(1);
2464 <        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2465 <        checkCompletedWithWrappedCFException(h);
2466 <
2467 <        assertEquals(2, e.count.get());
2468 <    }
2469 <
2470 <    /**
2471 <     * thenAcceptBothAsync result completes exceptionally if either source cancelled
2472 <     */
2473 <    public void testThenAcceptBothAsync4E() {
2474 <        CompletableFuture<Integer> f, g;
2475 <        CompletableFuture<Void> h;
2476 <        SubtractAction r;
2477 <        ThreadExecutor e = new ThreadExecutor();
2478 <
2479 <        f = new CompletableFuture<>();
2480 <        g = new CompletableFuture<>();
2481 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2482 <        assertTrue(f.cancel(true));
2483 <        checkIncomplete(h);
2484 <        g.complete(1);
2485 <        checkCompletedWithWrappedCancellationException(h);
2486 <
2487 <        f = new CompletableFuture<>();
2488 <        g = new CompletableFuture<>();
2489 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2490 <        assertTrue(g.cancel(true));
2491 <        checkIncomplete(h);
2492 <        f.complete(3);
2493 <        checkCompletedWithWrappedCancellationException(h);
2494 <
2495 <        f = new CompletableFuture<>();
2496 <        g = new CompletableFuture<>();
2497 <        f.complete(3);
2498 <        assertTrue(g.cancel(true));
2499 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2500 <        checkCompletedWithWrappedCancellationException(h);
2501 <
2502 <        f = new CompletableFuture<>();
2503 <        g = new CompletableFuture<>();
2504 <        assertTrue(f.cancel(true));
2505 <        g.complete(3);
2506 <        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2507 <        checkCompletedWithWrappedCancellationException(h);
2508 <
2509 <        assertEquals(0, e.count.get());
2510 <    }
2511 <
2512 <    /**
2513 <     * runAfterBothAsync result completes normally after normal
2514 <     * completion of sources
2515 <     */
2516 <    public void testRunAfterBothAsyncE() {
2517 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2518 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2519 <        Noop r = new Noop();
2520 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2521 <        f.complete(one);
2522 <        checkIncomplete(g);
2523 <        f2.complete(two);
2524 <        checkCompletedNormally(g, null);
2525 <        assertTrue(r.ran);
2526 <    }
2527 <
2528 <    /**
2529 <     * runAfterBothAsync result completes exceptionally after exceptional
2530 <     * completion of source
2531 <     */
2532 <    public void testRunAfterBothAsync2E() {
2533 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2534 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2535 <        Noop r = new Noop();
2536 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2537 <        f.completeExceptionally(new CFException());
2538 <        f2.complete(two);
2539 <        checkCompletedWithWrappedCFException(g);
2540 <
2541 <        r = new Noop();
2542 <        f = new CompletableFuture<>();
2543 <        f2 = new CompletableFuture<>();
2544 <        g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2545 <        f.complete(one);
2546 <        f2.completeExceptionally(new CFException());
2547 <        checkCompletedWithWrappedCFException(g);
2548 <    }
2549 <
2550 <    /**
2551 <     * runAfterBothAsync result completes exceptionally if action does
2552 <     */
2553 <    public void testRunAfterBothAsync3E() {
2554 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2555 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2556 <        FailingNoop r = new FailingNoop();
2557 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2558 <        f.complete(one);
2559 <        checkIncomplete(g);
2560 <        f2.complete(two);
2561 <        checkCompletedWithWrappedCFException(g);
2562 <    }
2563 <
2564 <    /**
2565 <     * runAfterBothAsync result completes exceptionally if either source cancelled
2566 <     */
2567 <    public void testRunAfterBothAsync4E() {
2568 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2569 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2570 <        Noop r = new Noop();
2571 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2572 <        assertTrue(f.cancel(true));
2573 <        f2.complete(two);
2574 <        checkCompletedWithWrappedCancellationException(g);
2575 <
2576 <        r = new Noop();
2577 <        f = new CompletableFuture<>();
2578 <        f2 = new CompletableFuture<>();
2579 <        g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2580 <        f.complete(one);
2581 <        assertTrue(f2.cancel(true));
2582 <        checkCompletedWithWrappedCancellationException(g);
2583 <    }
2584 <
2585 <    /**
2586 <     * applyToEitherAsync result completes normally after normal
2587 <     * completion of sources
2588 <     */
2589 <    public void testApplyToEitherAsyncE() {
2590 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2591 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2592 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2593 <        f.complete(one);
2594 <        checkCompletedNormally(g, two);
2595 <
2596 <        f = new CompletableFuture<>();
2597 <        f.complete(one);
2598 <        f2 = new CompletableFuture<>();
2599 <        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2600 <        checkCompletedNormally(g, two);
2601 <    }
2602 <
2603 <    /**
2604 <     * applyToEitherAsync result completes exceptionally after exceptional
2605 <     * completion of source
2606 <     */
2607 <    public void testApplyToEitherAsync2E() {
2608 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2609 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2610 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2611 <        f.completeExceptionally(new CFException());
2612 <        checkCompletedWithWrappedCFException(g);
2613 <
2614 <        f = new CompletableFuture<>();
2615 <        f2 = new CompletableFuture<>();
2616 <        f2.completeExceptionally(new CFException());
2617 <        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2618 <        f.complete(one);
2619 <        checkCompletedWithWrappedCFException(g);
2620 <    }
2621 <
2622 <    /**
2623 <     * applyToEitherAsync result completes exceptionally if action does
2624 <     */
2625 <    public void testApplyToEitherAsync3E() {
2626 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2627 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2628 <        FailingFunction r = new FailingFunction();
2629 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2630 <        f.complete(one);
2631 <        checkCompletedWithWrappedCFException(g);
2632 <    }
2633 <
2634 <    /**
2635 <     * applyToEitherAsync result completes exceptionally if either source cancelled
2636 <     */
2637 <    public void testApplyToEitherAsync4E() {
2638 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2639 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2640 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2641 <        assertTrue(f.cancel(true));
2642 <        checkCompletedWithWrappedCancellationException(g);
2643 <
2644 <        f = new CompletableFuture<>();
2645 <        f2 = new CompletableFuture<>();
2646 <        assertTrue(f2.cancel(true));
2647 <        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2648 <        checkCompletedWithWrappedCancellationException(g);
2649 <    }
2650 <
2651 <    /**
2652 <     * acceptEitherAsync result completes normally after normal
2653 <     * completion of sources
2654 <     */
2655 <    public void testAcceptEitherAsyncE() {
2656 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2657 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2658 <        IncAction r = new IncAction();
2659 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2660 <        f.complete(one);
2661 <        checkCompletedNormally(g, null);
2662 <        assertEquals(r.value, 2);
2317 >    public void testRunAfterEither_exceptionalCompletion() {
2318 >        for (ExecutionMode m : ExecutionMode.values())
2319 >        for (Integer v1 : new Integer[] { 1, null })
2320 >    {
2321 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2322 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2323 >        final CFException ex = new CFException();
2324 >        final Noop[] rs = new Noop[6];
2325 >        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2326 >
2327 >        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2328 >        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2329 >        checkIncomplete(h0);
2330 >        checkIncomplete(h1);
2331 >        rs[0].assertNotInvoked();
2332 >        rs[1].assertNotInvoked();
2333 >        f.completeExceptionally(ex);
2334 >        checkCompletedWithWrappedCFException(h0, ex);
2335 >        checkCompletedWithWrappedCFException(h1, ex);
2336 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2337 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2338 >        checkCompletedWithWrappedCFException(h2, ex);
2339 >        checkCompletedWithWrappedCFException(h3, ex);
2340 >
2341 >        g.complete(v1);
2342 >
2343 >        // unspecified behavior - both source completions available
2344 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2345 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2346 >        try {
2347 >            assertNull(h4.join());
2348 >            rs[4].assertInvoked();
2349 >        } catch (CompletionException ok) {
2350 >            checkCompletedWithWrappedCFException(h4, ex);
2351 >            rs[4].assertNotInvoked();
2352 >        }
2353 >        try {
2354 >            assertNull(h5.join());
2355 >            rs[5].assertInvoked();
2356 >        } catch (CompletionException ok) {
2357 >            checkCompletedWithWrappedCFException(h5, ex);
2358 >            rs[5].assertNotInvoked();
2359 >        }
2360  
2361 <        r = new IncAction();
2362 <        f = new CompletableFuture<>();
2363 <        f.complete(one);
2364 <        f2 = new CompletableFuture<>();
2365 <        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2366 <        checkCompletedNormally(g, null);
2367 <        assertEquals(r.value, 2);
2368 <    }
2361 >        checkCompletedWithWrappedCFException(f, ex);
2362 >        checkCompletedNormally(g, v1);
2363 >        checkCompletedWithWrappedCFException(h0, ex);
2364 >        checkCompletedWithWrappedCFException(h1, ex);
2365 >        checkCompletedWithWrappedCFException(h2, ex);
2366 >        checkCompletedWithWrappedCFException(h3, ex);
2367 >        checkCompletedWithWrappedCFException(h4, ex);
2368 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2369 >    }}
2370  
2371      /**
2372 <     * acceptEitherAsync result completes exceptionally after exceptional
2675 <     * completion of source
2372 >     * runAfterEither result completes exceptionally if either source cancelled
2373       */
2374 <    public void testAcceptEitherAsync2E() {
2375 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2376 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2377 <        IncAction r = new IncAction();
2378 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2379 <        f.completeExceptionally(new CFException());
2380 <        checkCompletedWithWrappedCFException(g);
2381 <
2382 <        r = new IncAction();
2383 <        f = new CompletableFuture<>();
2384 <        f2 = new CompletableFuture<>();
2385 <        f2.completeExceptionally(new CFException());
2386 <        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2387 <        f.complete(one);
2388 <        checkCompletedWithWrappedCFException(g);
2389 <    }
2374 >    public void testRunAfterEither_sourceCancelled() {
2375 >        for (ExecutionMode m : ExecutionMode.values())
2376 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2377 >        for (Integer v1 : new Integer[] { 1, null })
2378 >    {
2379 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2380 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2381 >        final Noop[] rs = new Noop[6];
2382 >        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2383 >
2384 >        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2385 >        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2386 >        checkIncomplete(h0);
2387 >        checkIncomplete(h1);
2388 >        rs[0].assertNotInvoked();
2389 >        rs[1].assertNotInvoked();
2390 >        f.cancel(mayInterruptIfRunning);
2391 >        checkCompletedWithWrappedCancellationException(h0);
2392 >        checkCompletedWithWrappedCancellationException(h1);
2393 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2394 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2395 >        checkCompletedWithWrappedCancellationException(h2);
2396 >        checkCompletedWithWrappedCancellationException(h3);
2397 >
2398 >        g.complete(v1);
2399 >
2400 >        // unspecified behavior - both source completions available
2401 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2402 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2403 >        try {
2404 >            assertNull(h4.join());
2405 >            rs[4].assertInvoked();
2406 >        } catch (CompletionException ok) {
2407 >            checkCompletedWithWrappedCancellationException(h4);
2408 >            rs[4].assertNotInvoked();
2409 >        }
2410 >        try {
2411 >            assertNull(h5.join());
2412 >            rs[5].assertInvoked();
2413 >        } catch (CompletionException ok) {
2414 >            checkCompletedWithWrappedCancellationException(h5);
2415 >            rs[5].assertNotInvoked();
2416 >        }
2417  
2418 <    /**
2419 <     * acceptEitherAsync result completes exceptionally if action does
2420 <     */
2421 <    public void testAcceptEitherAsync3E() {
2422 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2423 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2424 <        FailingConsumer r = new FailingConsumer();
2425 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2702 <        f.complete(one);
2703 <        checkCompletedWithWrappedCFException(g);
2704 <    }
2418 >        checkCancelled(f);
2419 >        checkCompletedNormally(g, v1);
2420 >        checkCompletedWithWrappedCancellationException(h0);
2421 >        checkCompletedWithWrappedCancellationException(h1);
2422 >        checkCompletedWithWrappedCancellationException(h2);
2423 >        checkCompletedWithWrappedCancellationException(h3);
2424 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2425 >    }}
2426  
2427      /**
2428 <     * acceptEitherAsync result completes exceptionally if either
2708 <     * source cancelled
2428 >     * runAfterEither result completes exceptionally if action does
2429       */
2430 <    public void testAcceptEitherAsync4E() {
2431 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2432 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2433 <        IncAction r = new IncAction();
2434 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2435 <        assertTrue(f.cancel(true));
2436 <        checkCompletedWithWrappedCancellationException(g);
2437 <
2438 <        r = new IncAction();
2439 <        f = new CompletableFuture<>();
2440 <        f2 = new CompletableFuture<>();
2441 <        assertTrue(f2.cancel(true));
2442 <        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2443 <        checkCompletedWithWrappedCancellationException(g);
2444 <    }
2430 >    public void testRunAfterEither_actionFailed() {
2431 >        for (ExecutionMode m : ExecutionMode.values())
2432 >        for (Integer v1 : new Integer[] { 1, null })
2433 >        for (Integer v2 : new Integer[] { 2, null })
2434 >    {
2435 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2436 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2437 >        final FailingRunnable[] rs = new FailingRunnable[6];
2438 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2439 >
2440 >        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2441 >        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2442 >        f.complete(v1);
2443 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2444 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2445 >        checkCompletedWithWrappedCFException(h0);
2446 >        checkCompletedWithWrappedCFException(h1);
2447 >        checkCompletedWithWrappedCFException(h2);
2448 >        checkCompletedWithWrappedCFException(h3);
2449 >        for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2450 >        g.complete(v2);
2451 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2452 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2453 >        checkCompletedWithWrappedCFException(h4);
2454 >        checkCompletedWithWrappedCFException(h5);
2455 >
2456 >        checkCompletedNormally(f, v1);
2457 >        checkCompletedNormally(g, v2);
2458 >        for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2459 >    }}
2460  
2461      /**
2462 <     * runAfterEitherAsync result completes normally after normal
2728 <     * completion of sources
2462 >     * thenCompose result completes normally after normal completion of source
2463       */
2464 <    public void testRunAfterEitherAsyncE() {
2465 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2466 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2467 <        Noop r = new Noop();
2468 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2469 <        f.complete(one);
2470 <        checkCompletedNormally(g, null);
2471 <        assertTrue(r.ran);
2472 <
2473 <        r = new Noop();
2474 <        f = new CompletableFuture<>();
2475 <        f.complete(one);
2476 <        f2 = new CompletableFuture<>();
2477 <        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2478 <        checkCompletedNormally(g, null);
2745 <        assertTrue(r.ran);
2746 <    }
2464 >    public void testThenCompose_normalCompletion() {
2465 >        for (ExecutionMode m : ExecutionMode.values())
2466 >        for (boolean createIncomplete : new boolean[] { true, false })
2467 >        for (Integer v1 : new Integer[] { 1, null })
2468 >    {
2469 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2470 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2471 >        if (!createIncomplete) f.complete(v1);
2472 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2473 >        if (createIncomplete) f.complete(v1);
2474 >
2475 >        checkCompletedNormally(g, inc(v1));
2476 >        checkCompletedNormally(f, v1);
2477 >        r.assertInvoked();
2478 >    }}
2479  
2480      /**
2481 <     * runAfterEitherAsync result completes exceptionally after exceptional
2481 >     * thenCompose result completes exceptionally after exceptional
2482       * completion of source
2483       */
2484 <    public void testRunAfterEitherAsync2E() {
2485 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2486 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2487 <        Noop r = new Noop();
2488 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2489 <        f.completeExceptionally(new CFException());
2490 <        checkCompletedWithWrappedCFException(g);
2491 <
2492 <        r = new Noop();
2493 <        f = new CompletableFuture<>();
2494 <        f2 = new CompletableFuture<>();
2495 <        f2.completeExceptionally(new CFException());
2496 <        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2497 <        f.complete(one);
2498 <        checkCompletedWithWrappedCFException(g);
2767 <    }
2768 <
2769 <    /**
2770 <     * runAfterEitherAsync result completes exceptionally if action does
2771 <     */
2772 <    public void testRunAfterEitherAsync3E() {
2773 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2774 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2775 <        FailingNoop r = new FailingNoop();
2776 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2777 <        f.complete(one);
2778 <        checkCompletedWithWrappedCFException(g);
2779 <    }
2484 >    public void testThenCompose_exceptionalCompletion() {
2485 >        for (ExecutionMode m : ExecutionMode.values())
2486 >        for (boolean createIncomplete : new boolean[] { true, false })
2487 >    {
2488 >        final CFException ex = new CFException();
2489 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2490 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2491 >        if (!createIncomplete) f.completeExceptionally(ex);
2492 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2493 >        if (createIncomplete) f.completeExceptionally(ex);
2494 >
2495 >        checkCompletedWithWrappedCFException(g, ex);
2496 >        checkCompletedWithWrappedCFException(f, ex);
2497 >        r.assertNotInvoked();
2498 >    }}
2499  
2500      /**
2501 <     * runAfterEitherAsync result completes exceptionally if either
2783 <     * source cancelled
2784 <     */
2785 <    public void testRunAfterEitherAsync4E() {
2786 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2787 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2788 <        Noop r = new Noop();
2789 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2790 <        assertTrue(f.cancel(true));
2791 <        checkCompletedWithWrappedCancellationException(g);
2792 <
2793 <        r = new Noop();
2794 <        f = new CompletableFuture<>();
2795 <        f2 = new CompletableFuture<>();
2796 <        assertTrue(f2.cancel(true));
2797 <        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2798 <        checkCompletedWithWrappedCancellationException(g);
2799 <    }
2800 <
2801 <    /**
2802 <     * thenComposeAsync result completes normally after normal
2803 <     * completion of source
2501 >     * thenCompose result completes exceptionally if action does
2502       */
2503 <    public void testThenComposeAsyncE() {
2504 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2505 <        CompletableFutureInc r = new CompletableFutureInc();
2506 <        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2507 <        f.complete(one);
2508 <        checkCompletedNormally(g, two);
2509 <    }
2503 >    public void testThenCompose_actionFailed() {
2504 >        for (ExecutionMode m : ExecutionMode.values())
2505 >        for (boolean createIncomplete : new boolean[] { true, false })
2506 >        for (Integer v1 : new Integer[] { 1, null })
2507 >    {
2508 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2509 >        final FailingCompletableFutureFunction r
2510 >            = new FailingCompletableFutureFunction(m);
2511 >        if (!createIncomplete) f.complete(v1);
2512 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2513 >        if (createIncomplete) f.complete(v1);
2514  
2813    /**
2814     * thenComposeAsync result completes exceptionally after
2815     * exceptional completion of source
2816     */
2817    public void testThenComposeAsync2E() {
2818        CompletableFuture<Integer> f = new CompletableFuture<>();
2819        CompletableFutureInc r = new CompletableFutureInc();
2820        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2821        f.completeExceptionally(new CFException());
2515          checkCompletedWithWrappedCFException(g);
2516 <    }
2516 >        checkCompletedNormally(f, v1);
2517 >    }}
2518  
2519      /**
2520 <     * thenComposeAsync result completes exceptionally if action does
2520 >     * thenCompose result completes exceptionally if source cancelled
2521       */
2522 <    public void testThenComposeAsync3E() {
2523 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2524 <        FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2525 <        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2526 <        f.complete(one);
2527 <        checkCompletedWithWrappedCFException(g);
2528 <    }
2522 >    public void testThenCompose_sourceCancelled() {
2523 >        for (ExecutionMode m : ExecutionMode.values())
2524 >        for (boolean createIncomplete : new boolean[] { true, false })
2525 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2526 >    {
2527 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2528 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2529 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2530 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2531 >        if (createIncomplete) {
2532 >            checkIncomplete(g);
2533 >            assertTrue(f.cancel(mayInterruptIfRunning));
2534 >        }
2535  
2836    /**
2837     * thenComposeAsync result completes exceptionally if source cancelled
2838     */
2839    public void testThenComposeAsync4E() {
2840        CompletableFuture<Integer> f = new CompletableFuture<>();
2841        CompletableFutureInc r = new CompletableFutureInc();
2842        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2843        assertTrue(f.cancel(true));
2536          checkCompletedWithWrappedCancellationException(g);
2537 <    }
2537 >        checkCancelled(f);
2538 >    }}
2539  
2540      // other static methods
2541  
# Line 2861 | Line 2554 | public class CompletableFutureTest exten
2554       */
2555      public void testAllOf_normal() throws Exception {
2556          for (int k = 1; k < 20; ++k) {
2557 <            CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
2557 >            CompletableFuture<Integer>[] fs
2558 >                = (CompletableFuture<Integer>[]) new CompletableFuture[k];
2559              for (int i = 0; i < k; ++i)
2560                  fs[i] = new CompletableFuture<>();
2561              CompletableFuture<Void> f = CompletableFuture.allOf(fs);
# Line 2875 | Line 2569 | public class CompletableFutureTest exten
2569          }
2570      }
2571  
2572 +    public void testAllOf_backwards() throws Exception {
2573 +        for (int k = 1; k < 20; ++k) {
2574 +            CompletableFuture<Integer>[] fs
2575 +                = (CompletableFuture<Integer>[]) new CompletableFuture[k];
2576 +            for (int i = 0; i < k; ++i)
2577 +                fs[i] = new CompletableFuture<>();
2578 +            CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2579 +            for (int i = k - 1; i >= 0; i--) {
2580 +                checkIncomplete(f);
2581 +                checkIncomplete(CompletableFuture.allOf(fs));
2582 +                fs[i].complete(one);
2583 +            }
2584 +            checkCompletedNormally(f, null);
2585 +            checkCompletedNormally(CompletableFuture.allOf(fs), null);
2586 +        }
2587 +    }
2588 +
2589      /**
2590       * anyOf(no component futures) returns an incomplete future
2591       */
# Line 2931 | Line 2642 | public class CompletableFutureTest exten
2642          ThreadExecutor exec = new ThreadExecutor();
2643  
2644          Runnable[] throwingActions = {
2645 <            () -> { CompletableFuture.supplyAsync(null); },
2646 <            () -> { CompletableFuture.supplyAsync(null, exec); },
2647 <            () -> { CompletableFuture.supplyAsync(supplyOne, null); },
2648 <
2649 <            () -> { CompletableFuture.runAsync(null); },
2650 <            () -> { CompletableFuture.runAsync(null, exec); },
2651 <            () -> { CompletableFuture.runAsync(() -> {}, null); },
2652 <
2653 <            () -> { f.completeExceptionally(null); },
2654 <
2655 <            () -> { f.thenApply(null); },
2656 <            () -> { f.thenApplyAsync(null); },
2657 <            () -> { f.thenApplyAsync((x) -> x, null); },
2658 <            () -> { f.thenApplyAsync(null, exec); },
2659 <
2660 <            () -> { f.thenAccept(null); },
2661 <            () -> { f.thenAcceptAsync(null); },
2662 <            () -> { f.thenAcceptAsync((x) -> { ; }, null); },
2663 <            () -> { f.thenAcceptAsync(null, exec); },
2664 <
2665 <            () -> { f.thenRun(null); },
2666 <            () -> { f.thenRunAsync(null); },
2667 <            () -> { f.thenRunAsync(() -> { ; }, null); },
2668 <            () -> { f.thenRunAsync(null, exec); },
2669 <
2670 <            () -> { f.thenCombine(g, null); },
2671 <            () -> { f.thenCombineAsync(g, null); },
2672 <            () -> { f.thenCombineAsync(g, null, exec); },
2673 <            () -> { f.thenCombine(nullFuture, (x, y) -> x); },
2674 <            () -> { f.thenCombineAsync(nullFuture, (x, y) -> x); },
2675 <            () -> { f.thenCombineAsync(nullFuture, (x, y) -> x, exec); },
2676 <            () -> { f.thenCombineAsync(g, (x, y) -> x, null); },
2677 <
2678 <            () -> { f.thenAcceptBoth(g, null); },
2679 <            () -> { f.thenAcceptBothAsync(g, null); },
2680 <            () -> { f.thenAcceptBothAsync(g, null, exec); },
2681 <            () -> { f.thenAcceptBoth(nullFuture, (x, y) -> {}); },
2682 <            () -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}); },
2683 <            () -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec); },
2684 <            () -> { f.thenAcceptBothAsync(g, (x, y) -> {}, null); },
2685 <
2686 <            () -> { f.runAfterBoth(g, null); },
2687 <            () -> { f.runAfterBothAsync(g, null); },
2688 <            () -> { f.runAfterBothAsync(g, null, exec); },
2689 <            () -> { f.runAfterBoth(nullFuture, () -> {}); },
2690 <            () -> { f.runAfterBothAsync(nullFuture, () -> {}); },
2691 <            () -> { f.runAfterBothAsync(nullFuture, () -> {}, exec); },
2692 <            () -> { f.runAfterBothAsync(g, () -> {}, null); },
2693 <
2694 <            () -> { f.applyToEither(g, null); },
2695 <            () -> { f.applyToEitherAsync(g, null); },
2696 <            () -> { f.applyToEitherAsync(g, null, exec); },
2697 <            () -> { f.applyToEither(nullFuture, (x) -> x); },
2698 <            () -> { f.applyToEitherAsync(nullFuture, (x) -> x); },
2699 <            () -> { f.applyToEitherAsync(nullFuture, (x) -> x, exec); },
2700 <            () -> { f.applyToEitherAsync(g, (x) -> x, null); },
2701 <
2702 <            () -> { f.acceptEither(g, null); },
2703 <            () -> { f.acceptEitherAsync(g, null); },
2704 <            () -> { f.acceptEitherAsync(g, null, exec); },
2705 <            () -> { f.acceptEither(nullFuture, (x) -> {}); },
2706 <            () -> { f.acceptEitherAsync(nullFuture, (x) -> {}); },
2707 <            () -> { f.acceptEitherAsync(nullFuture, (x) -> {}, exec); },
2708 <            () -> { f.acceptEitherAsync(g, (x) -> {}, null); },
2709 <
2710 <            () -> { f.runAfterEither(g, null); },
2711 <            () -> { f.runAfterEitherAsync(g, null); },
2712 <            () -> { f.runAfterEitherAsync(g, null, exec); },
2713 <            () -> { f.runAfterEither(nullFuture, () -> {}); },
2714 <            () -> { f.runAfterEitherAsync(nullFuture, () -> {}); },
2715 <            () -> { f.runAfterEitherAsync(nullFuture, () -> {}, exec); },
2716 <            () -> { f.runAfterEitherAsync(g, () -> {}, null); },
2717 <
2718 <            () -> { f.thenCompose(null); },
2719 <            () -> { f.thenComposeAsync(null); },
2720 <            () -> { f.thenComposeAsync(new CompletableFutureInc(), null); },
2721 <            () -> { f.thenComposeAsync(null, exec); },
2722 <
2723 <            () -> { f.exceptionally(null); },
2724 <
2725 <            () -> { f.handle(null); },
2726 <
2727 <            () -> { CompletableFuture.allOf((CompletableFuture<?>)null); },
2728 <            () -> { CompletableFuture.allOf((CompletableFuture<?>[])null); },
2729 <            () -> { CompletableFuture.allOf(f, null); },
2730 <            () -> { CompletableFuture.allOf(null, f); },
2731 <
2732 <            () -> { CompletableFuture.anyOf((CompletableFuture<?>)null); },
2733 <            () -> { CompletableFuture.anyOf((CompletableFuture<?>[])null); },
2734 <            () -> { CompletableFuture.anyOf(f, null); },
2735 <            () -> { CompletableFuture.anyOf(null, f); },
2645 >            () -> CompletableFuture.supplyAsync(null),
2646 >            () -> CompletableFuture.supplyAsync(null, exec),
2647 >            () -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
2648 >
2649 >            () -> CompletableFuture.runAsync(null),
2650 >            () -> CompletableFuture.runAsync(null, exec),
2651 >            () -> CompletableFuture.runAsync(() -> {}, null),
2652 >
2653 >            () -> f.completeExceptionally(null),
2654 >
2655 >            () -> f.thenApply(null),
2656 >            () -> f.thenApplyAsync(null),
2657 >            () -> f.thenApplyAsync((x) -> x, null),
2658 >            () -> f.thenApplyAsync(null, exec),
2659 >
2660 >            () -> f.thenAccept(null),
2661 >            () -> f.thenAcceptAsync(null),
2662 >            () -> f.thenAcceptAsync((x) -> {} , null),
2663 >            () -> f.thenAcceptAsync(null, exec),
2664 >
2665 >            () -> f.thenRun(null),
2666 >            () -> f.thenRunAsync(null),
2667 >            () -> f.thenRunAsync(() -> {} , null),
2668 >            () -> f.thenRunAsync(null, exec),
2669 >
2670 >            () -> f.thenCombine(g, null),
2671 >            () -> f.thenCombineAsync(g, null),
2672 >            () -> f.thenCombineAsync(g, null, exec),
2673 >            () -> f.thenCombine(nullFuture, (x, y) -> x),
2674 >            () -> f.thenCombineAsync(nullFuture, (x, y) -> x),
2675 >            () -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
2676 >            () -> f.thenCombineAsync(g, (x, y) -> x, null),
2677 >
2678 >            () -> f.thenAcceptBoth(g, null),
2679 >            () -> f.thenAcceptBothAsync(g, null),
2680 >            () -> f.thenAcceptBothAsync(g, null, exec),
2681 >            () -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
2682 >            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
2683 >            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
2684 >            () -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
2685 >
2686 >            () -> f.runAfterBoth(g, null),
2687 >            () -> f.runAfterBothAsync(g, null),
2688 >            () -> f.runAfterBothAsync(g, null, exec),
2689 >            () -> f.runAfterBoth(nullFuture, () -> {}),
2690 >            () -> f.runAfterBothAsync(nullFuture, () -> {}),
2691 >            () -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
2692 >            () -> f.runAfterBothAsync(g, () -> {}, null),
2693 >
2694 >            () -> f.applyToEither(g, null),
2695 >            () -> f.applyToEitherAsync(g, null),
2696 >            () -> f.applyToEitherAsync(g, null, exec),
2697 >            () -> f.applyToEither(nullFuture, (x) -> x),
2698 >            () -> f.applyToEitherAsync(nullFuture, (x) -> x),
2699 >            () -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
2700 >            () -> f.applyToEitherAsync(g, (x) -> x, null),
2701 >
2702 >            () -> f.acceptEither(g, null),
2703 >            () -> f.acceptEitherAsync(g, null),
2704 >            () -> f.acceptEitherAsync(g, null, exec),
2705 >            () -> f.acceptEither(nullFuture, (x) -> {}),
2706 >            () -> f.acceptEitherAsync(nullFuture, (x) -> {}),
2707 >            () -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
2708 >            () -> f.acceptEitherAsync(g, (x) -> {}, null),
2709 >
2710 >            () -> f.runAfterEither(g, null),
2711 >            () -> f.runAfterEitherAsync(g, null),
2712 >            () -> f.runAfterEitherAsync(g, null, exec),
2713 >            () -> f.runAfterEither(nullFuture, () -> {}),
2714 >            () -> f.runAfterEitherAsync(nullFuture, () -> {}),
2715 >            () -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
2716 >            () -> f.runAfterEitherAsync(g, () -> {}, null),
2717 >
2718 >            () -> f.thenCompose(null),
2719 >            () -> f.thenComposeAsync(null),
2720 >            () -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
2721 >            () -> f.thenComposeAsync(null, exec),
2722 >
2723 >            () -> f.exceptionally(null),
2724 >
2725 >            () -> f.handle(null),
2726 >
2727 >            () -> CompletableFuture.allOf((CompletableFuture<?>)null),
2728 >            () -> CompletableFuture.allOf((CompletableFuture<?>[])null),
2729 >            () -> CompletableFuture.allOf(f, null),
2730 >            () -> CompletableFuture.allOf(null, f),
2731 >
2732 >            () -> CompletableFuture.anyOf((CompletableFuture<?>)null),
2733 >            () -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
2734 >            () -> CompletableFuture.anyOf(f, null),
2735 >            () -> CompletableFuture.anyOf(null, f),
2736 >
2737 >            () -> f.obtrudeException(null),
2738          };
2739  
2740          assertThrows(NullPointerException.class, throwingActions);
# Line 3040 | Line 2753 | public class CompletableFutureTest exten
2753       * whenComplete action executes on normal completion, propagating
2754       * source result.
2755       */
2756 <    public void testWhenComplete1() {
2757 <        final AtomicInteger a = new AtomicInteger();
2758 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2759 <        CompletableFuture<Integer> g =
2760 <            f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
2761 <        f.complete(three);
2762 <        checkCompletedNormally(f, three);
2763 <        checkCompletedNormally(g, three);
2764 <        assertEquals(a.get(), 1);
2765 <    }
2756 >    public void testWhenComplete_normalCompletion1() {
2757 >        for (ExecutionMode m : ExecutionMode.values())
2758 >        for (boolean createIncomplete : new boolean[] { true, false })
2759 >        for (Integer v1 : new Integer[] { 1, null })
2760 >    {
2761 >        final AtomicInteger a = new AtomicInteger(0);
2762 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2763 >        if (!createIncomplete) f.complete(v1);
2764 >        final CompletableFuture<Integer> g = m.whenComplete
2765 >            (f,
2766 >             (Integer x, Throwable t) -> {
2767 >                threadAssertSame(x, v1);
2768 >                threadAssertNull(t);
2769 >                a.getAndIncrement();
2770 >            });
2771 >        if (createIncomplete) f.complete(v1);
2772 >
2773 >        checkCompletedNormally(g, v1);
2774 >        checkCompletedNormally(f, v1);
2775 >        assertEquals(1, a.get());
2776 >    }}
2777  
2778      /**
2779       * whenComplete action executes on exceptional completion, propagating
2780       * source result.
2781       */
2782 <    public void testWhenComplete2() {
2783 <        final AtomicInteger a = new AtomicInteger();
2784 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2785 <        CompletableFuture<Integer> g =
2786 <            f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
2787 <        f.completeExceptionally(new CFException());
2788 <        assertTrue(f.isCompletedExceptionally());
2789 <        assertTrue(g.isCompletedExceptionally());
2790 <        assertEquals(a.get(), 1);
2791 <    }
2782 >    public void testWhenComplete_exceptionalCompletion() {
2783 >        for (ExecutionMode m : ExecutionMode.values())
2784 >        for (boolean createIncomplete : new boolean[] { true, false })
2785 >        for (Integer v1 : new Integer[] { 1, null })
2786 >    {
2787 >        final AtomicInteger a = new AtomicInteger(0);
2788 >        final CFException ex = new CFException();
2789 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2790 >        if (!createIncomplete) f.completeExceptionally(ex);
2791 >        final CompletableFuture<Integer> g = m.whenComplete
2792 >            (f,
2793 >             (Integer x, Throwable t) -> {
2794 >                threadAssertNull(x);
2795 >                threadAssertSame(t, ex);
2796 >                a.getAndIncrement();
2797 >            });
2798 >        if (createIncomplete) f.completeExceptionally(ex);
2799 >        checkCompletedWithWrappedCFException(f, ex);
2800 >        checkCompletedWithWrappedCFException(g, ex);
2801 >        assertEquals(1, a.get());
2802 >    }}
2803 >
2804 >    /**
2805 >     * whenComplete action executes on cancelled source, propagating
2806 >     * CancellationException.
2807 >     */
2808 >    public void testWhenComplete_sourceCancelled() {
2809 >        for (ExecutionMode m : ExecutionMode.values())
2810 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2811 >        for (boolean createIncomplete : new boolean[] { true, false })
2812 >    {
2813 >        final AtomicInteger a = new AtomicInteger(0);
2814 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2815 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2816 >        final CompletableFuture<Integer> g = m.whenComplete
2817 >            (f,
2818 >             (Integer x, Throwable t) -> {
2819 >                threadAssertNull(x);
2820 >                threadAssertTrue(t instanceof CancellationException);
2821 >                a.getAndIncrement();
2822 >            });
2823 >        if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2824 >
2825 >        //try { g.join(); } catch (Throwable t) { throw new Error(t); }
2826 >        checkCompletedWithWrappedCancellationException(g);
2827 >        checkCancelled(f);
2828 >        assertEquals(1, a.get());
2829 >    }}
2830  
2831      /**
2832       * If a whenComplete action throws an exception when triggered by
2833       * a normal completion, it completes exceptionally
2834       */
2835 <    public void testWhenComplete3() {
2836 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2837 <        CompletableFuture<Integer> g =
2838 <            f.whenComplete((Integer x, Throwable t) ->
2839 <                           { throw new CFException(); } );
2840 <        f.complete(three);
2841 <        checkCompletedNormally(f, three);
2842 <        assertTrue(g.isCompletedExceptionally());
2843 <        checkCompletedWithWrappedCFException(g);
2844 <    }
2845 <
2846 <    /**
2847 <     * whenCompleteAsync action executes on normal completion, propagating
2848 <     * source result.
2849 <     */
2850 <    public void testWhenCompleteAsync1() {
2851 <        final AtomicInteger a = new AtomicInteger();
2852 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2853 <        CompletableFuture<Integer> g =
2854 <            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
2855 <        f.complete(three);
2856 <        checkCompletedNormally(f, three);
3095 <        checkCompletedNormally(g, three);
3096 <        assertEquals(a.get(), 1);
3097 <    }
3098 <
3099 <    /**
3100 <     * whenCompleteAsync action executes on exceptional completion, propagating
3101 <     * source result.
3102 <     */
3103 <    public void testWhenCompleteAsync2() {
3104 <        final AtomicInteger a = new AtomicInteger();
3105 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3106 <        CompletableFuture<Integer> g =
3107 <            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3108 <        f.completeExceptionally(new CFException());
3109 <        checkCompletedWithWrappedCFException(f);
3110 <        checkCompletedWithWrappedCFException(g);
3111 <    }
3112 <
3113 <    /**
3114 <     * If a whenCompleteAsync action throws an exception when
3115 <     * triggered by a normal completion, it completes exceptionally
3116 <     */
3117 <    public void testWhenCompleteAsync3() {
3118 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3119 <        CompletableFuture<Integer> g =
3120 <            f.whenCompleteAsync((Integer x, Throwable t) ->
3121 <                           { throw new CFException(); } );
3122 <        f.complete(three);
3123 <        checkCompletedNormally(f, three);
3124 <        checkCompletedWithWrappedCFException(g);
3125 <    }
3126 <
3127 <    /**
3128 <     * whenCompleteAsync action executes on normal completion, propagating
3129 <     * source result.
3130 <     */
3131 <    public void testWhenCompleteAsync1e() {
3132 <        final AtomicInteger a = new AtomicInteger();
3133 <        ThreadExecutor exec = new ThreadExecutor();
3134 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3135 <        CompletableFuture<Integer> g =
3136 <            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3137 <                                exec);
3138 <        f.complete(three);
3139 <        checkCompletedNormally(f, three);
3140 <        checkCompletedNormally(g, three);
3141 <        assertEquals(a.get(), 1);
3142 <    }
3143 <
3144 <    /**
3145 <     * whenCompleteAsync action executes on exceptional completion, propagating
3146 <     * source result.
3147 <     */
3148 <    public void testWhenCompleteAsync2e() {
3149 <        final AtomicInteger a = new AtomicInteger();
3150 <        ThreadExecutor exec = new ThreadExecutor();
3151 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3152 <        CompletableFuture<Integer> g =
3153 <            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3154 <                                exec);
3155 <        f.completeExceptionally(new CFException());
3156 <        checkCompletedWithWrappedCFException(f);
3157 <        checkCompletedWithWrappedCFException(g);
3158 <    }
3159 <
3160 <    /**
3161 <     * If a whenCompleteAsync action throws an exception when triggered
3162 <     * by a normal completion, it completes exceptionally
3163 <     */
3164 <    public void testWhenCompleteAsync3e() {
3165 <        ThreadExecutor exec = new ThreadExecutor();
3166 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3167 <        CompletableFuture<Integer> g =
3168 <            f.whenCompleteAsync((Integer x, Throwable t) ->
3169 <                                { throw new CFException(); },
3170 <                                exec);
3171 <        f.complete(three);
3172 <        checkCompletedNormally(f, three);
3173 <        checkCompletedWithWrappedCFException(g);
3174 <    }
3175 <
3176 <    /**
3177 <     * handleAsync action completes normally with function value on
3178 <     * either normal or exceptional completion of source
3179 <     */
3180 <    public void testHandleAsync() {
3181 <        CompletableFuture<Integer> f, g;
3182 <        IntegerHandler r;
3183 <
3184 <        f = new CompletableFuture<>();
3185 <        g = f.handleAsync(r = new IntegerHandler());
3186 <        assertFalse(r.ran);
3187 <        f.completeExceptionally(new CFException());
3188 <        checkCompletedWithWrappedCFException(f);
3189 <        checkCompletedNormally(g, three);
3190 <        assertTrue(r.ran);
3191 <
3192 <        f = new CompletableFuture<>();
3193 <        g = f.handleAsync(r = new IntegerHandler());
3194 <        assertFalse(r.ran);
3195 <        f.completeExceptionally(new CFException());
3196 <        checkCompletedWithWrappedCFException(f);
3197 <        checkCompletedNormally(g, three);
3198 <        assertTrue(r.ran);
3199 <
3200 <        f = new CompletableFuture<>();
3201 <        g = f.handleAsync(r = new IntegerHandler());
3202 <        assertFalse(r.ran);
3203 <        f.complete(one);
3204 <        checkCompletedNormally(f, one);
3205 <        checkCompletedNormally(g, two);
3206 <        assertTrue(r.ran);
3207 <
3208 <        f = new CompletableFuture<>();
3209 <        g = f.handleAsync(r = new IntegerHandler());
3210 <        assertFalse(r.ran);
3211 <        f.complete(one);
3212 <        checkCompletedNormally(f, one);
3213 <        checkCompletedNormally(g, two);
3214 <        assertTrue(r.ran);
3215 <    }
2835 >    public void testWhenComplete_actionFailed() {
2836 >        for (boolean createIncomplete : new boolean[] { true, false })
2837 >        for (ExecutionMode m : ExecutionMode.values())
2838 >        for (Integer v1 : new Integer[] { 1, null })
2839 >    {
2840 >        final AtomicInteger a = new AtomicInteger(0);
2841 >        final CFException ex = new CFException();
2842 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2843 >        if (!createIncomplete) f.complete(v1);
2844 >        final CompletableFuture<Integer> g = m.whenComplete
2845 >            (f,
2846 >             (Integer x, Throwable t) -> {
2847 >                threadAssertSame(x, v1);
2848 >                threadAssertNull(t);
2849 >                a.getAndIncrement();
2850 >                throw ex;
2851 >            });
2852 >        if (createIncomplete) f.complete(v1);
2853 >        checkCompletedNormally(f, v1);
2854 >        checkCompletedWithWrappedCFException(g, ex);
2855 >        assertEquals(1, a.get());
2856 >    }}
2857  
2858      /**
2859 <     * handleAsync action with Executor completes normally with
2860 <     * function value on either normal or exceptional completion of
2861 <     * source
2859 >     * If a whenComplete action throws an exception when triggered by
2860 >     * a source completion that also throws an exception, the source
2861 >     * exception takes precedence.
2862       */
2863 <    public void testHandleAsync2() {
2864 <        CompletableFuture<Integer> f, g;
2865 <        ThreadExecutor exec = new ThreadExecutor();
2866 <        IntegerHandler r;
2867 <
2868 <        f = new CompletableFuture<>();
2869 <        g = f.handleAsync(r = new IntegerHandler(), exec);
2870 <        assertFalse(r.ran);
2871 <        f.completeExceptionally(new CFException());
2872 <        checkCompletedWithWrappedCFException(f);
2873 <        checkCompletedNormally(g, three);
2874 <        assertTrue(r.ran);
2875 <
2876 <        f = new CompletableFuture<>();
2877 <        g = f.handleAsync(r = new IntegerHandler(), exec);
2878 <        assertFalse(r.ran);
2879 <        f.completeExceptionally(new CFException());
2880 <        checkCompletedWithWrappedCFException(f);
2881 <        checkCompletedNormally(g, three);
2882 <        assertTrue(r.ran);
2883 <
2884 <        f = new CompletableFuture<>();
2885 <        g = f.handleAsync(r = new IntegerHandler(), exec);
2886 <        assertFalse(r.ran);
2887 <        f.complete(one);
3247 <        checkCompletedNormally(f, one);
3248 <        checkCompletedNormally(g, two);
3249 <        assertTrue(r.ran);
3250 <
3251 <        f = new CompletableFuture<>();
3252 <        g = f.handleAsync(r = new IntegerHandler(), exec);
3253 <        assertFalse(r.ran);
3254 <        f.complete(one);
3255 <        checkCompletedNormally(f, one);
3256 <        checkCompletedNormally(g, two);
3257 <        assertTrue(r.ran);
3258 <    }
2863 >    public void testWhenComplete_actionFailedSourceFailed() {
2864 >        for (boolean createIncomplete : new boolean[] { true, false })
2865 >        for (ExecutionMode m : ExecutionMode.values())
2866 >        for (Integer v1 : new Integer[] { 1, null })
2867 >    {
2868 >        final AtomicInteger a = new AtomicInteger(0);
2869 >        final CFException ex1 = new CFException();
2870 >        final CFException ex2 = new CFException();
2871 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2872 >
2873 >        if (!createIncomplete) f.completeExceptionally(ex1);
2874 >        final CompletableFuture<Integer> g = m.whenComplete
2875 >            (f,
2876 >             (Integer x, Throwable t) -> {
2877 >                threadAssertSame(t, ex1);
2878 >                threadAssertNull(x);
2879 >                a.getAndIncrement();
2880 >                throw ex2;
2881 >            });
2882 >        if (createIncomplete) f.completeExceptionally(ex1);
2883 >
2884 >        checkCompletedWithWrappedCFException(f, ex1);
2885 >        checkCompletedWithWrappedCFException(g, ex1);
2886 >        assertEquals(1, a.get());
2887 >    }}
2888  
2889   }

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