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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.20 by jsr166, Mon Apr 8 16:45:15 2013 UTC vs.
Revision 1.43 by jsr166, Mon Jun 2 04:13:54 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.TimeoutException;
21   import java.util.concurrent.atomic.AtomicInteger;
22   import static java.util.concurrent.TimeUnit.MILLISECONDS;
# Line 68 | Line 69 | public class CompletableFutureTest exten
69          } catch (Throwable fail) { threadUnexpectedException(fail); }
70          assertTrue(f.isDone());
71          assertFalse(f.isCancelled());
72 +        assertFalse(f.isCompletedExceptionally());
73          assertTrue(f.toString().contains("[Completed normally]"));
74      }
75  
# Line 101 | Line 103 | public class CompletableFutureTest exten
103          assertTrue(f.toString().contains("[Completed exceptionally]"));
104      }
105  
106 +    void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107 +                                              CFException ex) {
108 +        try {
109 +            f.get(LONG_DELAY_MS, MILLISECONDS);
110 +            shouldThrow();
111 +        } catch (ExecutionException success) {
112 +            assertSame(ex, success.getCause());
113 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
114 +        try {
115 +            f.join();
116 +            shouldThrow();
117 +        } catch (CompletionException success) {
118 +            assertSame(ex, success.getCause());
119 +        }
120 +        try {
121 +            f.getNow(null);
122 +            shouldThrow();
123 +        } catch (CompletionException success) {
124 +            assertSame(ex, success.getCause());
125 +        }
126 +        try {
127 +            f.get();
128 +            shouldThrow();
129 +        } catch (ExecutionException success) {
130 +            assertSame(ex, success.getCause());
131 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
132 +        assertTrue(f.isDone());
133 +        assertFalse(f.isCancelled());
134 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
135 +    }
136 +
137      void checkCancelled(CompletableFuture<?> f) {
138          try {
139              f.get(LONG_DELAY_MS, MILLISECONDS);
# Line 121 | Line 154 | public class CompletableFutureTest exten
154          } catch (CancellationException success) {
155          } catch (Throwable fail) { threadUnexpectedException(fail); }
156          assertTrue(f.isDone());
157 +        assertTrue(f.isCompletedExceptionally());
158          assertTrue(f.isCancelled());
159          assertTrue(f.toString().contains("[Completed exceptionally]"));
160      }
# Line 152 | Line 186 | public class CompletableFutureTest exten
186          } catch (Throwable fail) { threadUnexpectedException(fail); }
187          assertTrue(f.isDone());
188          assertFalse(f.isCancelled());
189 +        assertTrue(f.isCompletedExceptionally());
190          assertTrue(f.toString().contains("[Completed exceptionally]"));
191      }
192  
# Line 160 | Line 195 | public class CompletableFutureTest exten
195       * by methods isDone, isCancelled, and getNow
196       */
197      public void testConstructor() {
198 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
198 >        CompletableFuture<Integer> f = new CompletableFuture<>();
199          checkIncomplete(f);
200      }
201  
# Line 169 | Line 204 | public class CompletableFutureTest exten
204       * isCancelled, join, get, and getNow
205       */
206      public void testComplete() {
207 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
207 >        CompletableFuture<Integer> f = new CompletableFuture<>();
208          checkIncomplete(f);
209          f.complete(one);
210          checkCompletedNormally(f, one);
# Line 180 | Line 215 | public class CompletableFutureTest exten
215       * methods isDone, isCancelled, join, get, and getNow
216       */
217      public void testCompleteExceptionally() {
218 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
218 >        CompletableFuture<Integer> f = new CompletableFuture<>();
219          checkIncomplete(f);
220          f.completeExceptionally(new CFException());
221          checkCompletedWithWrappedCFException(f);
# Line 191 | Line 226 | public class CompletableFutureTest exten
226       * methods isDone, isCancelled, join, get, and getNow
227       */
228      public void testCancel() {
229 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
229 >        CompletableFuture<Integer> f = new CompletableFuture<>();
230          checkIncomplete(f);
231          assertTrue(f.cancel(true));
232          checkCancelled(f);
# Line 201 | Line 236 | public class CompletableFutureTest exten
236       * obtrudeValue forces completion with given value
237       */
238      public void testObtrudeValue() {
239 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
239 >        CompletableFuture<Integer> f = new CompletableFuture<>();
240          checkIncomplete(f);
241          f.complete(one);
242          checkCompletedNormally(f, one);
# Line 209 | Line 244 | public class CompletableFutureTest exten
244          checkCompletedNormally(f, three);
245          f.obtrudeValue(two);
246          checkCompletedNormally(f, two);
247 <        f = new CompletableFuture<Integer>();
247 >        f = new CompletableFuture<>();
248          f.obtrudeValue(three);
249          checkCompletedNormally(f, three);
250 <        f = new CompletableFuture<Integer>();
250 >        f = new CompletableFuture<>();
251          f.completeExceptionally(new CFException());
252          f.obtrudeValue(four);
253          checkCompletedNormally(f, four);
# Line 222 | Line 257 | public class CompletableFutureTest exten
257       * obtrudeException forces completion with given exception
258       */
259      public void testObtrudeException() {
260 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
260 >        CompletableFuture<Integer> f = new CompletableFuture<>();
261          checkIncomplete(f);
262          f.complete(one);
263          checkCompletedNormally(f, one);
264          f.obtrudeException(new CFException());
265          checkCompletedWithWrappedCFException(f);
266 <        f = new CompletableFuture<Integer>();
266 >        f = new CompletableFuture<>();
267          f.obtrudeException(new CFException());
268          checkCompletedWithWrappedCFException(f);
269 <        f = new CompletableFuture<Integer>();
269 >        f = new CompletableFuture<>();
270          f.completeExceptionally(new CFException());
271          f.obtrudeValue(four);
272          checkCompletedNormally(f, four);
# Line 243 | Line 278 | public class CompletableFutureTest exten
278       * getNumberOfDependents returns number of dependent tasks
279       */
280      public void testGetNumberOfDependents() {
281 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
281 >        CompletableFuture<Integer> f = new CompletableFuture<>();
282          assertEquals(f.getNumberOfDependents(), 0);
283          CompletableFuture g = f.thenRun(new Noop());
284          assertEquals(f.getNumberOfDependents(), 1);
# Line 256 | Line 291 | public class CompletableFutureTest exten
291          assertEquals(g.getNumberOfDependents(), 0);
292      }
293  
259
294      /**
295       * toString indicates current completion state
296       */
# Line 284 | Line 318 | public class CompletableFutureTest exten
318  
319      // Choose non-commutative actions for better coverage
320  
321 +    // A non-commutative function that handles and produces null values as well.
322 +    static Integer subtract(Integer x, Integer y) {
323 +        return (x == null && y == null) ? null :
324 +            ((x == null) ? 42 : x.intValue())
325 +            - ((y == null) ? 99 : y.intValue());
326 +    }
327 +
328 +    // A function that handles and produces null values as well.
329 +    static Integer inc(Integer x) {
330 +        return (x == null) ? null : x + 1;
331 +    }
332 +
333      static final Supplier<Integer> supplyOne =
334          () -> Integer.valueOf(1);
335      static final Function<Integer, Integer> inc =
336          (Integer x) -> Integer.valueOf(x.intValue() + 1);
337      static final BiFunction<Integer, Integer, Integer> subtract =
338 <        (Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
338 >        (Integer x, Integer y) -> subtract(x, y);
339      static final class IncAction implements Consumer<Integer> {
340 <        int value;
341 <        public void accept(Integer x) { value = x.intValue() + 1; }
340 >        int invocationCount = 0;
341 >        Integer value;
342 >        public boolean ran() { return invocationCount == 1; }
343 >        public void accept(Integer x) {
344 >            invocationCount++;
345 >            value = inc(x);
346 >        }
347      }
348 <    static final class AddAction implements BiConsumer<Integer, Integer> {
349 <        int value;
348 >    static final class IncFunction implements Function<Integer,Integer> {
349 >        int invocationCount = 0;
350 >        Integer value;
351 >        public boolean ran() { return invocationCount == 1; }
352 >        public Integer apply(Integer x) {
353 >            invocationCount++;
354 >            return value = inc(x);
355 >        }
356 >    }
357 >    static final class SubtractAction implements BiConsumer<Integer, Integer> {
358 >        int invocationCount = 0;
359 >        Integer value;
360 >        // Check this action was invoked exactly once when result is computed.
361 >        public boolean ran() { return invocationCount == 1; }
362          public void accept(Integer x, Integer y) {
363 <            value = x.intValue() + y.intValue();
363 >            invocationCount++;
364 >            value = subtract(x, y);
365 >        }
366 >    }
367 >    static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
368 >        int invocationCount = 0;
369 >        Integer value;
370 >        // Check this action was invoked exactly once when result is computed.
371 >        public boolean ran() { return invocationCount == 1; }
372 >        public Integer apply(Integer x, Integer y) {
373 >            invocationCount++;
374 >            return value = subtract(x, y);
375          }
376      }
377      static final class Noop implements Runnable {
378 +        int invocationCount = 0;
379          boolean ran;
380 <        public void run() { ran = true; }
380 >        public void run() {
381 >            invocationCount++;
382 >            ran = true;
383 >        }
384      }
385  
386      static final class FailingSupplier implements Supplier<Integer> {
# Line 335 | Line 413 | public class CompletableFutureTest exten
413          boolean ran;
414          public CompletableFuture<Integer> apply(Integer x) {
415              ran = true;
416 <            CompletableFuture<Integer> f = new CompletableFuture<Integer>();
416 >            CompletableFuture<Integer> f = new CompletableFuture<>();
417              f.complete(Integer.valueOf(x.intValue() + 1));
418              return f;
419          }
# Line 371 | Line 449 | public class CompletableFutureTest exten
449          }
450      }
451  
452 +    /**
453 +     * Permits the testing of parallel code for the 3 different
454 +     * execution modes without repeating all the testing code.
455 +     */
456 +    enum ExecutionMode {
457 +        DEFAULT {
458 +            public <T,U> CompletableFuture<Void> runAfterBoth
459 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
460 +                return f.runAfterBoth(g, a);
461 +            }
462 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
463 +                (CompletableFuture<T> f,
464 +                 CompletionStage<? extends U> g,
465 +                 BiConsumer<? super T,? super U> a) {
466 +                return f.thenAcceptBoth(g, a);
467 +            }
468 +            public <T,U,V> CompletableFuture<V> thenCombine
469 +                (CompletableFuture<T> f,
470 +                 CompletionStage<? extends U> g,
471 +                 BiFunction<? super T,? super U,? extends V> a) {
472 +                return f.thenCombine(g, a);
473 +            }
474 +            public <T,U> CompletableFuture<U> applyToEither
475 +                (CompletableFuture<T> f,
476 +                 CompletionStage<? extends T> g,
477 +                 Function<? super T,U> a) {
478 +                return f.applyToEither(g, a);
479 +            }
480 +            public <T> CompletableFuture<Void> acceptEither
481 +                (CompletableFuture<T> f,
482 +                 CompletionStage<? extends T> g,
483 +                 Consumer<? super T> a) {
484 +                return f.acceptEither(g, a);
485 +            }
486 +            public <T> CompletableFuture<Void> runAfterEither
487 +                (CompletableFuture<T> f,
488 +                 CompletionStage<?> g,
489 +                 java.lang.Runnable a) {
490 +                return f.runAfterEither(g, a);
491 +            }
492 +            public <T,U> CompletableFuture<U> thenCompose
493 +                (CompletableFuture<T> f,
494 +                 Function<? super T,? extends CompletionStage<U>> a) {
495 +                return f.thenCompose(a);
496 +            }
497 +            public <T> CompletableFuture<T> whenComplete
498 +                (CompletableFuture<T> f,
499 +                 BiConsumer<? super T,? super Throwable> a) {
500 +                return f.whenComplete(a);
501 +            }
502 +        },
503 +
504 + //             /** Experimental way to do more testing */
505 + //         REVERSE_DEFAULT {
506 + //             public <T,U> CompletableFuture<Void> runAfterBoth
507 + //                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
508 + //                 return g.runAfterBoth(f, a);
509 + //             }
510 + //             public <T,U> CompletableFuture<Void> thenAcceptBoth
511 + //                 (CompletableFuture<T> f,
512 + //                  CompletionStage<? extends U> g,
513 + //                  BiConsumer<? super T,? super U> a) {
514 + //                 return DEFAULT.thenAcceptBoth(f, g, a);
515 + //             }
516 + //         },
517 +
518 +        DEFAULT_ASYNC {
519 +            public <T,U> CompletableFuture<Void> runAfterBoth
520 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
521 +                return f.runAfterBothAsync(g, a);
522 +            }
523 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
524 +                (CompletableFuture<T> f,
525 +                 CompletionStage<? extends U> g,
526 +                 BiConsumer<? super T,? super U> a) {
527 +                return f.thenAcceptBothAsync(g, a);
528 +            }
529 +            public <T,U,V> CompletableFuture<V> thenCombine
530 +                (CompletableFuture<T> f,
531 +                 CompletionStage<? extends U> g,
532 +                 BiFunction<? super T,? super U,? extends V> a) {
533 +                return f.thenCombineAsync(g, a);
534 +            }
535 +            public <T,U> CompletableFuture<U> applyToEither
536 +                (CompletableFuture<T> f,
537 +                 CompletionStage<? extends T> g,
538 +                 Function<? super T,U> a) {
539 +                return f.applyToEitherAsync(g, a);
540 +            }
541 +            public <T> CompletableFuture<Void> acceptEither
542 +                (CompletableFuture<T> f,
543 +                 CompletionStage<? extends T> g,
544 +                 Consumer<? super T> a) {
545 +                return f.acceptEitherAsync(g, a);
546 +            }
547 +            public <T> CompletableFuture<Void> runAfterEither
548 +                (CompletableFuture<T> f,
549 +                 CompletionStage<?> g,
550 +                 java.lang.Runnable a) {
551 +                return f.runAfterEitherAsync(g, a);
552 +            }
553 +            public <T,U> CompletableFuture<U> thenCompose
554 +                (CompletableFuture<T> f,
555 +                 Function<? super T,? extends CompletionStage<U>> a) {
556 +                return f.thenComposeAsync(a);
557 +            }
558 +            public <T> CompletableFuture<T> whenComplete
559 +                (CompletableFuture<T> f,
560 +                 BiConsumer<? super T,? super Throwable> a) {
561 +                return f.whenCompleteAsync(a);
562 +            }
563 +        },
564 +
565 + //         REVERSE_DEFAULT_ASYNC {
566 + //             public <T,U> CompletableFuture<Void> runAfterBoth
567 + //                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
568 + //                 return f.runAfterBothAsync(g, a);
569 + //             }
570 + //             public <T,U> CompletableFuture<Void> thenAcceptBoth
571 + //                 (CompletableFuture<T> f,
572 + //                  CompletionStage<? extends U> g,
573 + //                  BiConsumer<? super T,? super U> a) {
574 + //                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
575 + //             }
576 + //         },
577 +
578 +        EXECUTOR {
579 +            public <T,U> CompletableFuture<Void> runAfterBoth
580 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
581 +                return f.runAfterBothAsync(g, a, new ThreadExecutor());
582 +            }
583 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
584 +                (CompletableFuture<T> f,
585 +                 CompletionStage<? extends U> g,
586 +                 BiConsumer<? super T,? super U> a) {
587 +                return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
588 +            }
589 +            public <T,U,V> CompletableFuture<V> thenCombine
590 +                (CompletableFuture<T> f,
591 +                 CompletionStage<? extends U> g,
592 +                 BiFunction<? super T,? super U,? extends V> a) {
593 +                return f.thenCombineAsync(g, a, new ThreadExecutor());
594 +            }
595 +            public <T,U> CompletableFuture<U> applyToEither
596 +                (CompletableFuture<T> f,
597 +                 CompletionStage<? extends T> g,
598 +                 Function<? super T,U> a) {
599 +                return f.applyToEitherAsync(g, a, new ThreadExecutor());
600 +            }
601 +            public <T> CompletableFuture<Void> acceptEither
602 +                (CompletableFuture<T> f,
603 +                 CompletionStage<? extends T> g,
604 +                 Consumer<? super T> a) {
605 +                return f.acceptEitherAsync(g, a, new ThreadExecutor());
606 +            }
607 +            public <T> CompletableFuture<Void> runAfterEither
608 +                (CompletableFuture<T> f,
609 +                 CompletionStage<?> g,
610 +                 java.lang.Runnable a) {
611 +                return f.runAfterEitherAsync(g, a, new ThreadExecutor());
612 +            }
613 +            public <T,U> CompletableFuture<U> thenCompose
614 +                (CompletableFuture<T> f,
615 +                 Function<? super T,? extends CompletionStage<U>> a) {
616 +                return f.thenComposeAsync(a, new ThreadExecutor());
617 +            }
618 +            public <T> CompletableFuture<T> whenComplete
619 +                (CompletableFuture<T> f,
620 +                 BiConsumer<? super T,? super Throwable> a) {
621 +                return f.whenCompleteAsync(a, new ThreadExecutor());
622 +            }
623 +        };
624 +
625 +        public abstract <T,U> CompletableFuture<Void> runAfterBoth
626 +            (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
627 +        public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
628 +            (CompletableFuture<T> f,
629 +             CompletionStage<? extends U> g,
630 +             BiConsumer<? super T,? super U> a);
631 +        public abstract <T,U,V> CompletableFuture<V> thenCombine
632 +            (CompletableFuture<T> f,
633 +             CompletionStage<? extends U> g,
634 +             BiFunction<? super T,? super U,? extends V> a);
635 +        public abstract <T,U> CompletableFuture<U> applyToEither
636 +            (CompletableFuture<T> f,
637 +             CompletionStage<? extends T> g,
638 +             Function<? super T,U> a);
639 +        public abstract <T> CompletableFuture<Void> acceptEither
640 +            (CompletableFuture<T> f,
641 +             CompletionStage<? extends T> g,
642 +             Consumer<? super T> a);
643 +        public abstract <T> CompletableFuture<Void> runAfterEither
644 +            (CompletableFuture<T> f,
645 +             CompletionStage<?> g,
646 +             java.lang.Runnable a);
647 +        public abstract <T,U> CompletableFuture<U> thenCompose
648 +            (CompletableFuture<T> f,
649 +             Function<? super T,? extends CompletionStage<U>> a);
650 +        public abstract <T> CompletableFuture<T> whenComplete
651 +            (CompletableFuture<T> f,
652 +             BiConsumer<? super T,? super Throwable> a);
653 +
654 +
655 +    }
656  
657      /**
658       * exceptionally action completes with function value on source
659 <     * exception;  otherwise with source value
659 >     * exception; otherwise with source value
660       */
661      public void testExceptionally() {
662 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
662 >        CompletableFuture<Integer> f = new CompletableFuture<>();
663          ExceptionToInteger r = new ExceptionToInteger();
664          CompletableFuture<Integer> g = f.exceptionally(r);
665          f.completeExceptionally(new CFException());
666          checkCompletedNormally(g, three);
667  
668 <        f = new CompletableFuture<Integer>();
668 >        f = new CompletableFuture<>();
669          r = new ExceptionToInteger();
670          g = f.exceptionally(r);
671          f.complete(one);
# Line 398 | Line 680 | public class CompletableFutureTest exten
680          CompletableFuture<Integer> f, g;
681          IntegerHandler r;
682  
683 <        f = new CompletableFuture<Integer>();
683 >        f = new CompletableFuture<>();
684          f.completeExceptionally(new CFException());
685          g = f.handle(r = new IntegerHandler());
686          assertTrue(r.ran);
687          checkCompletedNormally(g, three);
688  
689 <        f = new CompletableFuture<Integer>();
689 >        f = new CompletableFuture<>();
690          g = f.handle(r = new IntegerHandler());
691          assertFalse(r.ran);
692          f.completeExceptionally(new CFException());
693          checkCompletedNormally(g, three);
694          assertTrue(r.ran);
695  
696 <        f = new CompletableFuture<Integer>();
696 >        f = new CompletableFuture<>();
697          f.complete(one);
698          g = f.handle(r = new IntegerHandler());
699          assertTrue(r.ran);
700          checkCompletedNormally(g, two);
701  
702 <        f = new CompletableFuture<Integer>();
702 >        f = new CompletableFuture<>();
703          g = f.handle(r = new IntegerHandler());
704          assertFalse(r.ran);
705          f.complete(one);
# Line 495 | Line 777 | public class CompletableFutureTest exten
777       * thenRun result completes normally after normal completion of source
778       */
779      public void testThenRun() {
780 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
781 <        Noop r = new Noop();
782 <        CompletableFuture<Void> g = f.thenRun(r);
780 >        CompletableFuture<Integer> f;
781 >        CompletableFuture<Void> g;
782 >        Noop r;
783 >
784 >        f = new CompletableFuture<>();
785 >        g = f.thenRun(r = new Noop());
786          f.complete(null);
787          checkCompletedNormally(g, null);
788 <        // reordered version
789 <        f = new CompletableFuture<Integer>();
788 >        assertTrue(r.ran);
789 >
790 >        f = new CompletableFuture<>();
791          f.complete(null);
792 <        r = new Noop();
507 <        g = f.thenRun(r);
792 >        g = f.thenRun(r = new Noop());
793          checkCompletedNormally(g, null);
794 +        assertTrue(r.ran);
795      }
796  
797      /**
# Line 513 | Line 799 | public class CompletableFutureTest exten
799       * completion of source
800       */
801      public void testThenRun2() {
802 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
803 <        Noop r = new Noop();
804 <        CompletableFuture<Void> g = f.thenRun(r);
802 >        CompletableFuture<Integer> f;
803 >        CompletableFuture<Void> g;
804 >        Noop r;
805 >
806 >        f = new CompletableFuture<>();
807 >        g = f.thenRun(r = new Noop());
808          f.completeExceptionally(new CFException());
809          checkCompletedWithWrappedCFException(g);
810 +        assertFalse(r.ran);
811 +
812 +        f = new CompletableFuture<>();
813 +        f.completeExceptionally(new CFException());
814 +        g = f.thenRun(r = new Noop());
815 +        checkCompletedWithWrappedCFException(g);
816 +        assertFalse(r.ran);
817      }
818  
819      /**
820       * thenRun result completes exceptionally if action does
821       */
822      public void testThenRun3() {
823 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
824 <        FailingNoop r = new FailingNoop();
825 <        CompletableFuture<Void> g = f.thenRun(r);
823 >        CompletableFuture<Integer> f;
824 >        CompletableFuture<Void> g;
825 >        FailingNoop r;
826 >
827 >        f = new CompletableFuture<>();
828 >        g = f.thenRun(r = new FailingNoop());
829 >        f.complete(null);
830 >        checkCompletedWithWrappedCFException(g);
831 >
832 >        f = new CompletableFuture<>();
833          f.complete(null);
834 +        g = f.thenRun(r = new FailingNoop());
835          checkCompletedWithWrappedCFException(g);
836      }
837  
# Line 535 | Line 839 | public class CompletableFutureTest exten
839       * thenRun result completes exceptionally if source cancelled
840       */
841      public void testThenRun4() {
842 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
843 <        Noop r = new Noop();
844 <        CompletableFuture<Void> g = f.thenRun(r);
842 >        CompletableFuture<Integer> f;
843 >        CompletableFuture<Void> g;
844 >        Noop r;
845 >
846 >        f = new CompletableFuture<>();
847 >        g = f.thenRun(r = new Noop());
848          assertTrue(f.cancel(true));
849          checkCompletedWithWrappedCancellationException(g);
850 +
851 +        f = new CompletableFuture<>();
852 +        assertTrue(f.cancel(true));
853 +        g = f.thenRun(r = new Noop());
854 +        checkCompletedWithWrappedCancellationException(g);
855      }
856  
857      /**
858       * thenApply result completes normally after normal completion of source
859       */
860      public void testThenApply() {
861 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
861 >        CompletableFuture<Integer> f = new CompletableFuture<>();
862          CompletableFuture<Integer> g = f.thenApply(inc);
863          f.complete(one);
864          checkCompletedNormally(g, two);
# Line 557 | Line 869 | public class CompletableFutureTest exten
869       * completion of source
870       */
871      public void testThenApply2() {
872 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
872 >        CompletableFuture<Integer> f = new CompletableFuture<>();
873          CompletableFuture<Integer> g = f.thenApply(inc);
874          f.completeExceptionally(new CFException());
875          checkCompletedWithWrappedCFException(g);
# Line 567 | Line 879 | public class CompletableFutureTest exten
879       * thenApply result completes exceptionally if action does
880       */
881      public void testThenApply3() {
882 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
882 >        CompletableFuture<Integer> f = new CompletableFuture<>();
883          CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
884          f.complete(one);
885          checkCompletedWithWrappedCFException(g);
# Line 577 | Line 889 | public class CompletableFutureTest exten
889       * thenApply result completes exceptionally if source cancelled
890       */
891      public void testThenApply4() {
892 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
892 >        CompletableFuture<Integer> f = new CompletableFuture<>();
893          CompletableFuture<Integer> g = f.thenApply(inc);
894          assertTrue(f.cancel(true));
895          checkCompletedWithWrappedCancellationException(g);
# Line 587 | Line 899 | public class CompletableFutureTest exten
899       * thenAccept result completes normally after normal completion of source
900       */
901      public void testThenAccept() {
902 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
902 >        CompletableFuture<Integer> f = new CompletableFuture<>();
903          IncAction r = new IncAction();
904          CompletableFuture<Void> g = f.thenAccept(r);
905          f.complete(one);
906          checkCompletedNormally(g, null);
907 <        assertEquals(r.value, 2);
907 >        assertEquals(r.value, (Integer) 2);
908      }
909  
910      /**
# Line 600 | Line 912 | public class CompletableFutureTest exten
912       * completion of source
913       */
914      public void testThenAccept2() {
915 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
915 >        CompletableFuture<Integer> f = new CompletableFuture<>();
916          IncAction r = new IncAction();
917          CompletableFuture<Void> g = f.thenAccept(r);
918          f.completeExceptionally(new CFException());
# Line 611 | Line 923 | public class CompletableFutureTest exten
923       * thenAccept result completes exceptionally if action does
924       */
925      public void testThenAccept3() {
926 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
926 >        CompletableFuture<Integer> f = new CompletableFuture<>();
927          FailingConsumer r = new FailingConsumer();
928          CompletableFuture<Void> g = f.thenAccept(r);
929          f.complete(one);
# Line 623 | Line 935 | public class CompletableFutureTest exten
935       * thenAccept result completes exceptionally if source cancelled
936       */
937      public void testThenAccept4() {
938 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
938 >        CompletableFuture<Integer> f = new CompletableFuture<>();
939          IncAction r = new IncAction();
940          CompletableFuture<Void> g = f.thenAccept(r);
941          assertTrue(f.cancel(true));
942          checkCompletedWithWrappedCancellationException(g);
943      }
944  
633
945      /**
946       * thenCombine result completes normally after normal completion
947       * of sources
948       */
949 <    public void testThenCombine() {
950 <        CompletableFuture<Integer> f, g, h;
951 <
952 <        f = new CompletableFuture<Integer>();
953 <        g = new CompletableFuture<Integer>();
954 <        h = f.thenCombine(g, subtract);
955 <        f.complete(3);
956 <        checkIncomplete(h);
957 <        g.complete(1);
958 <        checkCompletedNormally(h, 2);
959 <
960 <        f = new CompletableFuture<Integer>();
961 <        g = new CompletableFuture<Integer>();
962 <        h = f.thenCombine(g, subtract);
963 <        g.complete(1);
964 <        checkIncomplete(h);
965 <        f.complete(3);
966 <        checkCompletedNormally(h, 2);
967 <
968 <        f = new CompletableFuture<Integer>();
969 <        g = new CompletableFuture<Integer>();
970 <        g.complete(1);
971 <        f.complete(3);
972 <        h = f.thenCombine(g, subtract);
973 <        checkCompletedNormally(h, 2);
949 >    public void testThenCombine_normalCompletion1() {
950 >        for (boolean createdIncomplete : new boolean[] { true, false })
951 >        for (boolean fFirst : new boolean[] { true, false })
952 >        for (ExecutionMode m : ExecutionMode.values())
953 >        for (Integer v1 : new Integer[] { 1, null })
954 >        for (Integer v2 : new Integer[] { 2, null }) {
955 >
956 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
957 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
958 >        final SubtractFunction r = new SubtractFunction();
959 >        CompletableFuture<Integer> h = null;
960 >        if (createdIncomplete) h = m.thenCombine(f, g, r);
961 >
962 >        if (fFirst)
963 >            f.complete(v1);
964 >        else
965 >            g.complete(v2);
966 >        if (createdIncomplete) checkIncomplete(h);
967 >        assertEquals(r.invocationCount, 0);
968 >        if (!fFirst)
969 >            f.complete(v1);
970 >        else
971 >            g.complete(v2);
972 >        if (!createdIncomplete) h = m.thenCombine(f, g, r);
973 >
974 >        checkCompletedNormally(h, subtract(v1, v2));
975 >        checkCompletedNormally(f, v1);
976 >        checkCompletedNormally(g, v2);
977 >        assertEquals(r.invocationCount, 1);
978 >        }
979      }
980  
981      /**
982       * thenCombine result completes exceptionally after exceptional
983       * completion of either source
984       */
985 <    public void testThenCombine2() {
986 <        CompletableFuture<Integer> f, g, h;
985 >    public void testThenCombine_exceptionalCompletion1() {
986 >        for (ExecutionMode m : ExecutionMode.values())
987 >        for (Integer v1 : new Integer[] { 1, null }) {
988 >
989 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
990 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
991 >        final SubtractFunction r = new SubtractFunction();
992 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
993 >        final CFException ex = new CFException();
994  
995 <        f = new CompletableFuture<Integer>();
673 <        g = new CompletableFuture<Integer>();
674 <        h = f.thenCombine(g, subtract);
675 <        f.completeExceptionally(new CFException());
995 >        f.completeExceptionally(ex);
996          checkIncomplete(h);
997 <        g.complete(1);
678 <        checkCompletedWithWrappedCFException(h);
997 >        g.complete(v1);
998  
999 <        f = new CompletableFuture<Integer>();
1000 <        g = new CompletableFuture<Integer>();
1001 <        h = f.thenCombine(g, subtract);
1002 <        g.completeExceptionally(new CFException());
999 >        checkCompletedWithWrappedCFException(h, ex);
1000 >        checkCompletedWithWrappedCFException(f, ex);
1001 >        assertEquals(r.invocationCount, 0);
1002 >        checkCompletedNormally(g, v1);
1003 >        }
1004 >    }
1005 >
1006 >    public void testThenCombine_exceptionalCompletion2() {
1007 >        for (ExecutionMode m : ExecutionMode.values())
1008 >        for (Integer v1 : new Integer[] { 1, null }) {
1009 >
1010 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1011 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1012 >        final SubtractFunction r = new SubtractFunction();
1013 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1014 >        final CFException ex = new CFException();
1015 >
1016 >        g.completeExceptionally(ex);
1017          checkIncomplete(h);
1018 <        f.complete(3);
686 <        checkCompletedWithWrappedCFException(h);
1018 >        f.complete(v1);
1019  
1020 <        f = new CompletableFuture<Integer>();
1021 <        g = new CompletableFuture<Integer>();
1022 <        f.complete(3);
1023 <        g.completeExceptionally(new CFException());
1024 <        h = f.thenCombine(g, subtract);
1025 <        checkCompletedWithWrappedCFException(h);
1020 >        checkCompletedWithWrappedCFException(h, ex);
1021 >        checkCompletedWithWrappedCFException(g, ex);
1022 >        assertEquals(r.invocationCount, 0);
1023 >        checkCompletedNormally(f, v1);
1024 >        }
1025 >    }
1026  
1027 <        f = new CompletableFuture<Integer>();
1028 <        g = new CompletableFuture<Integer>();
1029 <        f.completeExceptionally(new CFException());
1030 <        g.complete(3);
1031 <        h = f.thenCombine(g, subtract);
1032 <        checkCompletedWithWrappedCFException(h);
1027 >    public void testThenCombine_exceptionalCompletion3() {
1028 >        for (ExecutionMode m : ExecutionMode.values())
1029 >        for (Integer v1 : new Integer[] { 1, null }) {
1030 >
1031 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1032 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1033 >        final SubtractFunction r = new SubtractFunction();
1034 >        final CFException ex = new CFException();
1035 >
1036 >        g.completeExceptionally(ex);
1037 >        f.complete(v1);
1038 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1039 >
1040 >        checkCompletedWithWrappedCFException(h, ex);
1041 >        checkCompletedWithWrappedCFException(g, ex);
1042 >        assertEquals(r.invocationCount, 0);
1043 >        checkCompletedNormally(f, v1);
1044 >        }
1045 >    }
1046 >
1047 >    public void testThenCombine_exceptionalCompletion4() {
1048 >        for (ExecutionMode m : ExecutionMode.values())
1049 >        for (Integer v1 : new Integer[] { 1, null }) {
1050 >
1051 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1052 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1053 >        final SubtractFunction r = new SubtractFunction();
1054 >        final CFException ex = new CFException();
1055 >
1056 >        f.completeExceptionally(ex);
1057 >        g.complete(v1);
1058 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1059 >
1060 >        checkCompletedWithWrappedCFException(h, ex);
1061 >        checkCompletedWithWrappedCFException(f, ex);
1062 >        assertEquals(r.invocationCount, 0);
1063 >        checkCompletedNormally(g, v1);
1064 >        }
1065      }
1066  
1067      /**
1068       * thenCombine result completes exceptionally if action does
1069       */
1070 <    public void testThenCombine3() {
1071 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1072 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1073 <        FailingBiFunction r = new FailingBiFunction();
1074 <        CompletableFuture<Integer> g = f.thenCombine(f2, r);
1075 <        f.complete(one);
1076 <        checkIncomplete(g);
1077 <        assertFalse(r.ran);
1078 <        f2.complete(two);
1079 <        checkCompletedWithWrappedCFException(g);
1080 <        assertTrue(r.ran);
1070 >    public void testThenCombine_actionFailed1() {
1071 >        for (ExecutionMode m : ExecutionMode.values())
1072 >        for (Integer v1 : new Integer[] { 1, null })
1073 >        for (Integer v2 : new Integer[] { 2, null }) {
1074 >
1075 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1076 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1077 >        final FailingBiFunction r = new FailingBiFunction();
1078 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1079 >
1080 >        f.complete(v1);
1081 >        checkIncomplete(h);
1082 >        g.complete(v2);
1083 >
1084 >        checkCompletedWithWrappedCFException(h);
1085 >        checkCompletedNormally(f, v1);
1086 >        checkCompletedNormally(g, v2);
1087 >        }
1088 >    }
1089 >
1090 >    public void testThenCombine_actionFailed2() {
1091 >        for (ExecutionMode m : ExecutionMode.values())
1092 >        for (Integer v1 : new Integer[] { 1, null })
1093 >        for (Integer v2 : new Integer[] { 2, null }) {
1094 >
1095 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1096 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1097 >        final FailingBiFunction r = new FailingBiFunction();
1098 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1099 >
1100 >        g.complete(v2);
1101 >        checkIncomplete(h);
1102 >        f.complete(v1);
1103 >
1104 >        checkCompletedWithWrappedCFException(h);
1105 >        checkCompletedNormally(f, v1);
1106 >        checkCompletedNormally(g, v2);
1107 >        }
1108      }
1109  
1110      /**
1111       * thenCombine result completes exceptionally if either source cancelled
1112       */
1113 <    public void testThenCombine4() {
1114 <        CompletableFuture<Integer> f, g, h;
1113 >    public void testThenCombine_sourceCancelled1() {
1114 >        for (ExecutionMode m : ExecutionMode.values())
1115 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1116 >        for (Integer v1 : new Integer[] { 1, null }) {
1117 >
1118 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1119 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1120 >        final SubtractFunction r = new SubtractFunction();
1121 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1122  
1123 <        f = new CompletableFuture<Integer>();
726 <        g = new CompletableFuture<Integer>();
727 <        h = f.thenCombine(g, subtract);
728 <        assertTrue(f.cancel(true));
1123 >        assertTrue(f.cancel(mayInterruptIfRunning));
1124          checkIncomplete(h);
1125 <        g.complete(1);
1125 >        g.complete(v1);
1126 >
1127          checkCompletedWithWrappedCancellationException(h);
1128 +        checkCancelled(f);
1129 +        assertEquals(r.invocationCount, 0);
1130 +        checkCompletedNormally(g, v1);
1131 +        }
1132 +    }
1133  
1134 <        f = new CompletableFuture<Integer>();
1135 <        g = new CompletableFuture<Integer>();
1136 <        h = f.thenCombine(g, subtract);
1137 <        assertTrue(g.cancel(true));
1134 >    public void testThenCombine_sourceCancelled2() {
1135 >        for (ExecutionMode m : ExecutionMode.values())
1136 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1137 >        for (Integer v1 : new Integer[] { 1, null }) {
1138 >
1139 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1140 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1141 >        final SubtractFunction r = new SubtractFunction();
1142 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1143 >
1144 >        assertTrue(g.cancel(mayInterruptIfRunning));
1145          checkIncomplete(h);
1146 <        f.complete(3);
1146 >        f.complete(v1);
1147 >
1148          checkCompletedWithWrappedCancellationException(h);
1149 +        checkCancelled(g);
1150 +        assertEquals(r.invocationCount, 0);
1151 +        checkCompletedNormally(f, v1);
1152 +        }
1153 +    }
1154 +
1155 +    public void testThenCombine_sourceCancelled3() {
1156 +        for (ExecutionMode m : ExecutionMode.values())
1157 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1158 +        for (Integer v1 : new Integer[] { 1, null }) {
1159 +
1160 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1161 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1162 +        final SubtractFunction r = new SubtractFunction();
1163 +
1164 +        assertTrue(g.cancel(mayInterruptIfRunning));
1165 +        f.complete(v1);
1166 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1167  
741        f = new CompletableFuture<Integer>();
742        g = new CompletableFuture<Integer>();
743        assertTrue(f.cancel(true));
744        assertTrue(g.cancel(true));
745        h = f.thenCombine(g, subtract);
1168          checkCompletedWithWrappedCancellationException(h);
1169 +        checkCancelled(g);
1170 +        assertEquals(r.invocationCount, 0);
1171 +        checkCompletedNormally(f, v1);
1172 +        }
1173 +    }
1174 +
1175 +    public void testThenCombine_sourceCancelled4() {
1176 +        for (ExecutionMode m : ExecutionMode.values())
1177 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1178 +        for (Integer v1 : new Integer[] { 1, null }) {
1179 +
1180 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1181 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1182 +        final SubtractFunction r = new SubtractFunction();
1183 +
1184 +        assertTrue(f.cancel(mayInterruptIfRunning));
1185 +        g.complete(v1);
1186 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1187 +
1188 +        checkCompletedWithWrappedCancellationException(h);
1189 +        checkCancelled(f);
1190 +        assertEquals(r.invocationCount, 0);
1191 +        checkCompletedNormally(g, v1);
1192 +        }
1193      }
1194  
1195      /**
1196       * thenAcceptBoth result completes normally after normal
1197       * completion of sources
1198       */
1199 <    public void testThenAcceptBoth() {
1200 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1201 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1202 <        AddAction r = new AddAction();
1203 <        CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1204 <        f.complete(one);
1205 <        checkIncomplete(g);
1206 <        f2.complete(two);
1207 <        checkCompletedNormally(g, null);
762 <        assertEquals(r.value, 3);
1199 >    public void testThenAcceptBoth_normalCompletion1() {
1200 >        for (ExecutionMode m : ExecutionMode.values())
1201 >        for (Integer v1 : new Integer[] { 1, null })
1202 >        for (Integer v2 : new Integer[] { 2, null }) {
1203 >
1204 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1205 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1206 >        final SubtractAction r = new SubtractAction();
1207 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1208  
1209 <        r = new AddAction();
1210 <        f = new CompletableFuture<Integer>();
1211 <        f.complete(one);
1212 <        f2 = new CompletableFuture<Integer>();
1213 <        g = f.thenAcceptBoth(f2, r);
1214 <        checkIncomplete(g);
1215 <        f2.complete(two);
1216 <        checkCompletedNormally(g, null);
1217 <        assertEquals(r.value, 3);
1209 >        f.complete(v1);
1210 >        checkIncomplete(h);
1211 >        assertFalse(r.ran());
1212 >        g.complete(v2);
1213 >
1214 >        checkCompletedNormally(h, null);
1215 >        assertEquals(r.value, subtract(v1, v2));
1216 >        checkCompletedNormally(f, v1);
1217 >        checkCompletedNormally(g, v2);
1218 >        }
1219 >    }
1220 >
1221 >    public void testThenAcceptBoth_normalCompletion2() {
1222 >        for (ExecutionMode m : ExecutionMode.values())
1223 >        for (Integer v1 : new Integer[] { 1, null })
1224 >        for (Integer v2 : new Integer[] { 2, null }) {
1225 >
1226 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1227 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1228 >        final SubtractAction r = new SubtractAction();
1229 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1230 >
1231 >        g.complete(v2);
1232 >        checkIncomplete(h);
1233 >        assertFalse(r.ran());
1234 >        f.complete(v1);
1235 >
1236 >        checkCompletedNormally(h, null);
1237 >        assertEquals(r.value, subtract(v1, v2));
1238 >        checkCompletedNormally(f, v1);
1239 >        checkCompletedNormally(g, v2);
1240 >        }
1241 >    }
1242 >
1243 >    public void testThenAcceptBoth_normalCompletion3() {
1244 >        for (ExecutionMode m : ExecutionMode.values())
1245 >        for (Integer v1 : new Integer[] { 1, null })
1246 >        for (Integer v2 : new Integer[] { 2, null }) {
1247 >
1248 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1249 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1250 >        final SubtractAction r = new SubtractAction();
1251 >
1252 >        g.complete(v2);
1253 >        f.complete(v1);
1254 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1255 >
1256 >        checkCompletedNormally(h, null);
1257 >        assertEquals(r.value, subtract(v1, v2));
1258 >        checkCompletedNormally(f, v1);
1259 >        checkCompletedNormally(g, v2);
1260 >        }
1261 >    }
1262 >
1263 >    public void testThenAcceptBoth_normalCompletion4() {
1264 >        for (ExecutionMode m : ExecutionMode.values())
1265 >        for (Integer v1 : new Integer[] { 1, null })
1266 >        for (Integer v2 : new Integer[] { 2, null }) {
1267 >
1268 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1269 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1270 >        final SubtractAction r = new SubtractAction();
1271 >
1272 >        f.complete(v1);
1273 >        g.complete(v2);
1274 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1275 >
1276 >        checkCompletedNormally(h, null);
1277 >        assertEquals(r.value, subtract(v1, v2));
1278 >        checkCompletedNormally(f, v1);
1279 >        checkCompletedNormally(g, v2);
1280 >        }
1281      }
1282  
1283      /**
1284       * thenAcceptBoth result completes exceptionally after exceptional
1285       * completion of either source
1286       */
1287 <    public void testThenAcceptBoth2() {
1288 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1289 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1290 <        AddAction r = new AddAction();
1291 <        CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1292 <        f.completeExceptionally(new CFException());
1293 <        f2.complete(two);
1294 <        checkCompletedWithWrappedCFException(g);
1287 >    public void testThenAcceptBoth_exceptionalCompletion1() {
1288 >        for (ExecutionMode m : ExecutionMode.values())
1289 >        for (Integer v1 : new Integer[] { 1, null }) {
1290 >
1291 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1292 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1293 >        final SubtractAction r = new SubtractAction();
1294 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1295 >        final CFException ex = new CFException();
1296  
1297 <        r = new AddAction();
1298 <        f = new CompletableFuture<Integer>();
1299 <        f.complete(one);
1300 <        f2 = new CompletableFuture<Integer>();
1301 <        g = f.thenAcceptBoth(f2, r);
1302 <        f2.completeExceptionally(new CFException());
1303 <        checkCompletedWithWrappedCFException(g);
1297 >        f.completeExceptionally(ex);
1298 >        checkIncomplete(h);
1299 >        g.complete(v1);
1300 >
1301 >        checkCompletedWithWrappedCFException(h, ex);
1302 >        checkCompletedWithWrappedCFException(f, ex);
1303 >        assertEquals(r.invocationCount, 0);
1304 >        checkCompletedNormally(g, v1);
1305 >        }
1306 >    }
1307 >
1308 >    public void testThenAcceptBoth_exceptionalCompletion2() {
1309 >        for (ExecutionMode m : ExecutionMode.values())
1310 >        for (Integer v1 : new Integer[] { 1, null }) {
1311 >
1312 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1313 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1314 >        final SubtractAction r = new SubtractAction();
1315 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1316 >        final CFException ex = new CFException();
1317 >
1318 >        g.completeExceptionally(ex);
1319 >        checkIncomplete(h);
1320 >        f.complete(v1);
1321 >
1322 >        checkCompletedWithWrappedCFException(h, ex);
1323 >        checkCompletedWithWrappedCFException(g, ex);
1324 >        assertEquals(r.invocationCount, 0);
1325 >        checkCompletedNormally(f, v1);
1326 >        }
1327 >    }
1328 >
1329 >    public void testThenAcceptBoth_exceptionalCompletion3() {
1330 >        for (ExecutionMode m : ExecutionMode.values())
1331 >        for (Integer v1 : new Integer[] { 1, null }) {
1332 >
1333 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1334 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1335 >        final SubtractAction r = new SubtractAction();
1336 >        final CFException ex = new CFException();
1337 >
1338 >        g.completeExceptionally(ex);
1339 >        f.complete(v1);
1340 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1341 >
1342 >        checkCompletedWithWrappedCFException(h, ex);
1343 >        checkCompletedWithWrappedCFException(g, ex);
1344 >        assertEquals(r.invocationCount, 0);
1345 >        checkCompletedNormally(f, v1);
1346 >        }
1347 >    }
1348 >
1349 >    public void testThenAcceptBoth_exceptionalCompletion4() {
1350 >        for (ExecutionMode m : ExecutionMode.values())
1351 >        for (Integer v1 : new Integer[] { 1, null }) {
1352 >
1353 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1354 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1355 >        final SubtractAction r = new SubtractAction();
1356 >        final CFException ex = new CFException();
1357 >
1358 >        f.completeExceptionally(ex);
1359 >        g.complete(v1);
1360 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1361 >
1362 >        checkCompletedWithWrappedCFException(h, ex);
1363 >        checkCompletedWithWrappedCFException(f, ex);
1364 >        assertFalse(r.ran());
1365 >        checkCompletedNormally(g, v1);
1366 >        }
1367      }
1368  
1369      /**
1370       * thenAcceptBoth result completes exceptionally if action does
1371       */
1372 <    public void testThenAcceptBoth3() {
1373 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1374 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1375 <        FailingBiConsumer r = new FailingBiConsumer();
1376 <        CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1377 <        f.complete(one);
1378 <        checkIncomplete(g);
1379 <        f2.complete(two);
1380 <        checkCompletedWithWrappedCFException(g);
1372 >    public void testThenAcceptBoth_actionFailed1() {
1373 >        for (ExecutionMode m : ExecutionMode.values())
1374 >        for (Integer v1 : new Integer[] { 1, null })
1375 >        for (Integer v2 : new Integer[] { 2, null }) {
1376 >
1377 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1378 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1379 >        final FailingBiConsumer r = new FailingBiConsumer();
1380 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1381 >
1382 >        f.complete(v1);
1383 >        checkIncomplete(h);
1384 >        g.complete(v2);
1385 >
1386 >        checkCompletedWithWrappedCFException(h);
1387 >        checkCompletedNormally(f, v1);
1388 >        checkCompletedNormally(g, v2);
1389 >        }
1390 >    }
1391 >
1392 >    public void testThenAcceptBoth_actionFailed2() {
1393 >        for (ExecutionMode m : ExecutionMode.values())
1394 >        for (Integer v1 : new Integer[] { 1, null })
1395 >        for (Integer v2 : new Integer[] { 2, null }) {
1396 >
1397 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1398 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1399 >        final FailingBiConsumer r = new FailingBiConsumer();
1400 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1401 >
1402 >        g.complete(v2);
1403 >        checkIncomplete(h);
1404 >        f.complete(v1);
1405 >
1406 >        checkCompletedWithWrappedCFException(h);
1407 >        checkCompletedNormally(f, v1);
1408 >        checkCompletedNormally(g, v2);
1409 >        }
1410      }
1411  
1412      /**
1413       * thenAcceptBoth result completes exceptionally if either source cancelled
1414       */
1415 <    public void testThenAcceptBoth4() {
1416 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1417 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1418 <        AddAction r = new AddAction();
1419 <        CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1420 <        assertTrue(f.cancel(true));
1421 <        f2.complete(two);
1422 <        checkCompletedWithWrappedCancellationException(g);
1423 <        f = new CompletableFuture<Integer>();
1424 <        f2 = new CompletableFuture<Integer>();
1425 <        r = new AddAction();
1426 <        g = f.thenAcceptBoth(f2, r);
1427 <        f.complete(one);
1428 <        assertTrue(f2.cancel(true));
1429 <        checkCompletedWithWrappedCancellationException(g);
1415 >    public void testThenAcceptBoth_sourceCancelled1() {
1416 >        for (ExecutionMode m : ExecutionMode.values())
1417 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1418 >        for (Integer v1 : new Integer[] { 1, null }) {
1419 >
1420 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1421 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1422 >        final SubtractAction r = new SubtractAction();
1423 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1424 >
1425 >        assertTrue(f.cancel(mayInterruptIfRunning));
1426 >        checkIncomplete(h);
1427 >        g.complete(v1);
1428 >
1429 >        checkCompletedWithWrappedCancellationException(h);
1430 >        checkCancelled(f);
1431 >        assertEquals(r.invocationCount, 0);
1432 >        checkCompletedNormally(g, v1);
1433 >        }
1434 >    }
1435 >
1436 >    public void testThenAcceptBoth_sourceCancelled2() {
1437 >        for (ExecutionMode m : ExecutionMode.values())
1438 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1439 >        for (Integer v1 : new Integer[] { 1, null }) {
1440 >
1441 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1442 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1443 >        final SubtractAction r = new SubtractAction();
1444 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1445 >
1446 >        assertTrue(g.cancel(mayInterruptIfRunning));
1447 >        checkIncomplete(h);
1448 >        f.complete(v1);
1449 >
1450 >        checkCompletedWithWrappedCancellationException(h);
1451 >        checkCancelled(g);
1452 >        assertEquals(r.invocationCount, 0);
1453 >        checkCompletedNormally(f, v1);
1454 >        }
1455 >    }
1456 >
1457 >    public void testThenAcceptBoth_sourceCancelled3() {
1458 >        for (ExecutionMode m : ExecutionMode.values())
1459 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1460 >        for (Integer v1 : new Integer[] { 1, null }) {
1461 >
1462 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1463 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1464 >        final SubtractAction r = new SubtractAction();
1465 >
1466 >        assertTrue(g.cancel(mayInterruptIfRunning));
1467 >        f.complete(v1);
1468 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1469 >
1470 >        checkCompletedWithWrappedCancellationException(h);
1471 >        checkCancelled(g);
1472 >        assertEquals(r.invocationCount, 0);
1473 >        checkCompletedNormally(f, v1);
1474 >        }
1475 >    }
1476 >
1477 >    public void testThenAcceptBoth_sourceCancelled4() {
1478 >        for (ExecutionMode m : ExecutionMode.values())
1479 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1480 >        for (Integer v1 : new Integer[] { 1, null }) {
1481 >
1482 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1483 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1484 >        final SubtractAction r = new SubtractAction();
1485 >
1486 >        assertTrue(f.cancel(mayInterruptIfRunning));
1487 >        g.complete(v1);
1488 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1489 >
1490 >        checkCompletedWithWrappedCancellationException(h);
1491 >        checkCancelled(f);
1492 >        assertEquals(r.invocationCount, 0);
1493 >        checkCompletedNormally(g, v1);
1494 >        }
1495      }
1496  
1497      /**
1498       * runAfterBoth result completes normally after normal
1499       * completion of sources
1500       */
1501 <    public void testRunAfterBoth() {
1502 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1503 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1504 <        Noop r = new Noop();
1505 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1506 <        f.complete(one);
1507 <        checkIncomplete(g);
1508 <        f2.complete(two);
1509 <        checkCompletedNormally(g, null);
844 <        assertTrue(r.ran);
1501 >    public void testRunAfterBoth_normalCompletion1() {
1502 >        for (ExecutionMode m : ExecutionMode.values())
1503 >        for (Integer v1 : new Integer[] { 1, null })
1504 >        for (Integer v2 : new Integer[] { 2, null }) {
1505 >
1506 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1507 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1508 >        final Noop r = new Noop();
1509 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1510  
1511 <        r = new Noop();
1512 <        f = new CompletableFuture<Integer>();
1513 <        f.complete(one);
1514 <        f2 = new CompletableFuture<Integer>();
1515 <        g = f.runAfterBoth(f2, r);
1516 <        checkIncomplete(g);
1517 <        f2.complete(two);
1518 <        checkCompletedNormally(g, null);
1511 >        f.complete(v1);
1512 >        checkIncomplete(h);
1513 >        assertFalse(r.ran);
1514 >        g.complete(v2);
1515 >
1516 >        checkCompletedNormally(h, null);
1517 >        assertEquals(r.invocationCount, 1);
1518 >        checkCompletedNormally(f, v1);
1519 >        checkCompletedNormally(g, v2);
1520 >        }
1521 >    }
1522 >
1523 >    public void testRunAfterBoth_normalCompletion2() {
1524 >        for (ExecutionMode m : ExecutionMode.values())
1525 >        for (Integer v1 : new Integer[] { 1, null })
1526 >        for (Integer v2 : new Integer[] { 2, null }) {
1527 >
1528 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1529 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1530 >        final Noop r = new Noop();
1531 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1532 >
1533 >        g.complete(v2);
1534 >        checkIncomplete(h);
1535 >        assertFalse(r.ran);
1536 >        f.complete(v1);
1537 >
1538 >        checkCompletedNormally(h, null);
1539 >        assertEquals(r.invocationCount, 1);
1540 >        checkCompletedNormally(f, v1);
1541 >        checkCompletedNormally(g, v2);
1542 >        }
1543 >    }
1544 >
1545 >    public void testRunAfterBoth_normalCompletion3() {
1546 >        for (ExecutionMode m : ExecutionMode.values())
1547 >        for (Integer v1 : new Integer[] { 1, null })
1548 >        for (Integer v2 : new Integer[] { 2, null }) {
1549 >
1550 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1551 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1552 >        final Noop r = new Noop();
1553 >
1554 >        g.complete(v2);
1555 >        f.complete(v1);
1556 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1557 >
1558 >        checkCompletedNormally(h, null);
1559          assertTrue(r.ran);
1560 +        checkCompletedNormally(f, v1);
1561 +        checkCompletedNormally(g, v2);
1562 +        }
1563 +    }
1564 +
1565 +    public void testRunAfterBoth_normalCompletion4() {
1566 +        for (ExecutionMode m : ExecutionMode.values())
1567 +        for (Integer v1 : new Integer[] { 1, null })
1568 +        for (Integer v2 : new Integer[] { 2, null }) {
1569 +
1570 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1571 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1572 +        final Noop r = new Noop();
1573 +
1574 +        f.complete(v1);
1575 +        g.complete(v2);
1576 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1577 +
1578 +        checkCompletedNormally(h, null);
1579 +        assertEquals(r.invocationCount, 1);
1580 +        checkCompletedNormally(f, v1);
1581 +        checkCompletedNormally(g, v2);
1582 +        }
1583      }
1584  
1585      /**
1586       * runAfterBoth result completes exceptionally after exceptional
1587       * completion of either source
1588       */
1589 <    public void testRunAfterBoth2() {
1590 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1591 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1592 <        Noop r = new Noop();
1593 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1594 <        f.completeExceptionally(new CFException());
1595 <        f2.complete(two);
1596 <        checkCompletedWithWrappedCFException(g);
1589 >    public void testRunAfterBoth_exceptionalCompletion1() {
1590 >        for (ExecutionMode m : ExecutionMode.values())
1591 >        for (Integer v1 : new Integer[] { 1, null }) {
1592 >
1593 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1594 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1595 >        final Noop r = new Noop();
1596 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1597 >        final CFException ex = new CFException();
1598  
1599 <        r = new Noop();
1600 <        f = new CompletableFuture<Integer>();
1601 <        f.complete(one);
1602 <        f2 = new CompletableFuture<Integer>();
1603 <        g = f.runAfterBoth(f2, r);
1604 <        f2.completeExceptionally(new CFException());
1605 <        checkCompletedWithWrappedCFException(g);
1599 >        f.completeExceptionally(ex);
1600 >        checkIncomplete(h);
1601 >        g.complete(v1);
1602 >
1603 >        checkCompletedWithWrappedCFException(h, ex);
1604 >        checkCompletedWithWrappedCFException(f, ex);
1605 >        assertEquals(r.invocationCount, 0);
1606 >        checkCompletedNormally(g, v1);
1607 >        }
1608 >    }
1609 >
1610 >    public void testRunAfterBoth_exceptionalCompletion2() {
1611 >        for (ExecutionMode m : ExecutionMode.values())
1612 >        for (Integer v1 : new Integer[] { 1, null }) {
1613 >
1614 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1615 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1616 >        final Noop r = new Noop();
1617 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1618 >        final CFException ex = new CFException();
1619 >
1620 >        g.completeExceptionally(ex);
1621 >        checkIncomplete(h);
1622 >        f.complete(v1);
1623 >
1624 >        checkCompletedWithWrappedCFException(h, ex);
1625 >        checkCompletedWithWrappedCFException(g, ex);
1626 >        assertEquals(r.invocationCount, 0);
1627 >        checkCompletedNormally(f, v1);
1628 >        }
1629 >    }
1630 >
1631 >    public void testRunAfterBoth_exceptionalCompletion3() {
1632 >        for (ExecutionMode m : ExecutionMode.values())
1633 >        for (Integer v1 : new Integer[] { 1, null }) {
1634 >
1635 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1636 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1637 >        final Noop r = new Noop();
1638 >        final CFException ex = new CFException();
1639 >
1640 >        g.completeExceptionally(ex);
1641 >        f.complete(v1);
1642 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1643 >
1644 >        checkCompletedWithWrappedCFException(h, ex);
1645 >        checkCompletedWithWrappedCFException(g, ex);
1646 >        assertEquals(r.invocationCount, 0);
1647 >        checkCompletedNormally(f, v1);
1648 >        }
1649 >    }
1650 >
1651 >    public void testRunAfterBoth_exceptionalCompletion4() {
1652 >        for (ExecutionMode m : ExecutionMode.values())
1653 >        for (Integer v1 : new Integer[] { 1, null }) {
1654 >
1655 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1656 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1657 >        final Noop r = new Noop();
1658 >        final CFException ex = new CFException();
1659 >
1660 >        f.completeExceptionally(ex);
1661 >        g.complete(v1);
1662 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1663 >
1664 >        checkCompletedWithWrappedCFException(h, ex);
1665 >        checkCompletedWithWrappedCFException(f, ex);
1666 >        assertEquals(r.invocationCount, 0);
1667 >        checkCompletedNormally(g, v1);
1668 >        }
1669      }
1670  
1671      /**
1672       * runAfterBoth result completes exceptionally if action does
1673       */
1674 <    public void testRunAfterBoth3() {
1675 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1676 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1677 <        FailingNoop r = new FailingNoop();
1678 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1679 <        f.complete(one);
1680 <        checkIncomplete(g);
1681 <        f2.complete(two);
1682 <        checkCompletedWithWrappedCFException(g);
1674 >    public void testRunAfterBoth_actionFailed1() {
1675 >        for (ExecutionMode m : ExecutionMode.values())
1676 >        for (Integer v1 : new Integer[] { 1, null })
1677 >        for (Integer v2 : new Integer[] { 2, null }) {
1678 >
1679 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1680 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1681 >        final FailingNoop r = new FailingNoop();
1682 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1683 >
1684 >        f.complete(v1);
1685 >        checkIncomplete(h);
1686 >        g.complete(v2);
1687 >
1688 >        checkCompletedWithWrappedCFException(h);
1689 >        checkCompletedNormally(f, v1);
1690 >        checkCompletedNormally(g, v2);
1691 >        }
1692 >    }
1693 >
1694 >    public void testRunAfterBoth_actionFailed2() {
1695 >        for (ExecutionMode m : ExecutionMode.values())
1696 >        for (Integer v1 : new Integer[] { 1, null })
1697 >        for (Integer v2 : new Integer[] { 2, null }) {
1698 >
1699 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1700 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1701 >        final FailingNoop r = new FailingNoop();
1702 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1703 >
1704 >        g.complete(v2);
1705 >        checkIncomplete(h);
1706 >        f.complete(v1);
1707 >
1708 >        checkCompletedWithWrappedCFException(h);
1709 >        checkCompletedNormally(f, v1);
1710 >        checkCompletedNormally(g, v2);
1711 >        }
1712      }
1713  
1714      /**
1715       * runAfterBoth result completes exceptionally if either source cancelled
1716       */
1717 <    public void testRunAfterBoth4() {
1718 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1719 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1720 <        Noop r = new Noop();
1721 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1722 <        assertTrue(f.cancel(true));
1723 <        f2.complete(two);
1724 <        checkCompletedWithWrappedCancellationException(g);
1725 <        f = new CompletableFuture<Integer>();
1726 <        f2 = new CompletableFuture<Integer>();
1727 <        r = new Noop();
1728 <        g = f.runAfterBoth(f2, r);
1729 <        f.complete(one);
1730 <        assertTrue(f2.cancel(true));
1731 <        checkCompletedWithWrappedCancellationException(g);
1717 >    public void testRunAfterBoth_sourceCancelled1() {
1718 >        for (ExecutionMode m : ExecutionMode.values())
1719 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1720 >        for (Integer v1 : new Integer[] { 1, null }) {
1721 >
1722 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1723 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1724 >        final Noop r = new Noop();
1725 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1726 >
1727 >        assertTrue(f.cancel(mayInterruptIfRunning));
1728 >        checkIncomplete(h);
1729 >        g.complete(v1);
1730 >
1731 >        checkCompletedWithWrappedCancellationException(h);
1732 >        checkCancelled(f);
1733 >        assertEquals(r.invocationCount, 0);
1734 >        checkCompletedNormally(g, v1);
1735 >        }
1736 >    }
1737 >
1738 >    public void testRunAfterBoth_sourceCancelled2() {
1739 >        for (ExecutionMode m : ExecutionMode.values())
1740 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1741 >        for (Integer v1 : new Integer[] { 1, null }) {
1742 >
1743 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1744 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1745 >        final Noop r = new Noop();
1746 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1747 >
1748 >        assertTrue(g.cancel(mayInterruptIfRunning));
1749 >        checkIncomplete(h);
1750 >        f.complete(v1);
1751 >
1752 >        checkCompletedWithWrappedCancellationException(h);
1753 >        checkCancelled(g);
1754 >        assertEquals(r.invocationCount, 0);
1755 >        checkCompletedNormally(f, v1);
1756 >        }
1757 >    }
1758 >
1759 >    public void testRunAfterBoth_sourceCancelled3() {
1760 >        for (ExecutionMode m : ExecutionMode.values())
1761 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1762 >        for (Integer v1 : new Integer[] { 1, null }) {
1763 >
1764 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1765 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1766 >        final Noop r = new Noop();
1767 >
1768 >        assertTrue(g.cancel(mayInterruptIfRunning));
1769 >        f.complete(v1);
1770 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1771 >
1772 >        checkCompletedWithWrappedCancellationException(h);
1773 >        checkCancelled(g);
1774 >        assertEquals(r.invocationCount, 0);
1775 >        checkCompletedNormally(f, v1);
1776 >        }
1777 >    }
1778 >
1779 >    public void testRunAfterBoth_sourceCancelled4() {
1780 >        for (ExecutionMode m : ExecutionMode.values())
1781 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1782 >        for (Integer v1 : new Integer[] { 1, null }) {
1783 >
1784 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1785 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1786 >        final Noop r = new Noop();
1787 >
1788 >        assertTrue(f.cancel(mayInterruptIfRunning));
1789 >        g.complete(v1);
1790 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1791 >
1792 >        checkCompletedWithWrappedCancellationException(h);
1793 >        checkCancelled(f);
1794 >        assertEquals(r.invocationCount, 0);
1795 >        checkCompletedNormally(g, v1);
1796 >        }
1797      }
1798  
1799      /**
1800       * applyToEither result completes normally after normal completion
1801       * of either source
1802       */
1803 <    public void testApplyToEither() {
1804 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1805 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1806 <        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1807 <        f.complete(one);
1808 <        checkCompletedNormally(g, two);
1809 <        f2.complete(one);
1810 <        checkCompletedNormally(g, two);
1803 >    public void testApplyToEither_normalCompletion1() {
1804 >        for (ExecutionMode m : ExecutionMode.values())
1805 >        for (Integer v1 : new Integer[] { 1, null })
1806 >        for (Integer v2 : new Integer[] { 2, null }) {
1807 >
1808 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1809 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1810 >        final IncFunction r = new IncFunction();
1811 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1812 >
1813 >        f.complete(v1);
1814 >        checkCompletedNormally(h, inc(v1));
1815 >        g.complete(v2);
1816 >
1817 >        checkCompletedNormally(f, v1);
1818 >        checkCompletedNormally(g, v2);
1819 >        checkCompletedNormally(h, inc(v1));
1820 >        }
1821 >    }
1822  
1823 <        f = new CompletableFuture<Integer>();
1824 <        f.complete(one);
1825 <        f2 = new CompletableFuture<Integer>();
1826 <        g = f.applyToEither(f2, inc);
1827 <        checkCompletedNormally(g, two);
1823 >    public void testApplyToEither_normalCompletion2() {
1824 >        for (ExecutionMode m : ExecutionMode.values())
1825 >        for (Integer v1 : new Integer[] { 1, null })
1826 >        for (Integer v2 : new Integer[] { 2, null }) {
1827 >
1828 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1829 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1830 >        final IncFunction r = new IncFunction();
1831 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1832 >
1833 >        g.complete(v2);
1834 >        checkCompletedNormally(h, inc(v2));
1835 >        f.complete(v1);
1836 >
1837 >        checkCompletedNormally(f, v1);
1838 >        checkCompletedNormally(g, v2);
1839 >        checkCompletedNormally(h, inc(v2));
1840 >        }
1841 >    }
1842 >    public void testApplyToEither_normalCompletion3() {
1843 >        for (ExecutionMode m : ExecutionMode.values())
1844 >        for (Integer v1 : new Integer[] { 1, null })
1845 >        for (Integer v2 : new Integer[] { 2, null }) {
1846 >
1847 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1848 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1849 >        final IncFunction r = new IncFunction();
1850 >
1851 >        f.complete(v1);
1852 >        g.complete(v2);
1853 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1854 >
1855 >        checkCompletedNormally(f, v1);
1856 >        checkCompletedNormally(g, v2);
1857 >
1858 >        // unspecified behavior
1859 >        assertTrue(Objects.equals(h.join(), inc(v1)) ||
1860 >                   Objects.equals(h.join(), inc(v2)));
1861 >        assertEquals(r.invocationCount, 1);
1862 >        }
1863      }
1864  
1865      /**
1866       * applyToEither result completes exceptionally after exceptional
1867       * completion of either source
1868       */
1869 <    public void testApplyToEither2() {
1870 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1871 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1872 <        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1873 <        f.completeExceptionally(new CFException());
1874 <        f2.complete(one);
1875 <        checkCompletedWithWrappedCFException(g);
1869 >    public void testApplyToEither_exceptionalCompletion1() {
1870 >        for (ExecutionMode m : ExecutionMode.values())
1871 >        for (Integer v1 : new Integer[] { 1, null }) {
1872 >
1873 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1874 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1875 >        final IncFunction r = new IncFunction();
1876 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1877 >        final CFException ex = new CFException();
1878 >
1879 >        f.completeExceptionally(ex);
1880 >        checkCompletedWithWrappedCFException(h, ex);
1881 >        g.complete(v1);
1882 >
1883 >        assertEquals(r.invocationCount, 0);
1884 >        checkCompletedNormally(g, v1);
1885 >        checkCompletedWithWrappedCFException(f, ex);
1886 >        checkCompletedWithWrappedCFException(h, ex);
1887 >        }
1888 >    }
1889  
1890 <        f = new CompletableFuture<Integer>();
1891 <        f2 = new CompletableFuture<Integer>();
1892 <        f2.completeExceptionally(new CFException());
1893 <        g = f.applyToEither(f2, inc);
1894 <        checkCompletedWithWrappedCFException(g);
1890 >    public void testApplyToEither_exceptionalCompletion2() {
1891 >        for (ExecutionMode m : ExecutionMode.values())
1892 >        for (Integer v1 : new Integer[] { 1, null }) {
1893 >
1894 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1895 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1896 >        final IncFunction r = new IncFunction();
1897 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1898 >        final CFException ex = new CFException();
1899 >
1900 >        g.completeExceptionally(ex);
1901 >        checkCompletedWithWrappedCFException(h, ex);
1902 >        f.complete(v1);
1903 >
1904 >        assertEquals(r.invocationCount, 0);
1905 >        checkCompletedNormally(f, v1);
1906 >        checkCompletedWithWrappedCFException(g, ex);
1907 >        checkCompletedWithWrappedCFException(h, ex);
1908 >        }
1909 >    }
1910 >
1911 >    public void testApplyToEither_exceptionalCompletion3() {
1912 >        for (ExecutionMode m : ExecutionMode.values())
1913 >        for (Integer v1 : new Integer[] { 1, null }) {
1914 >
1915 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1916 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1917 >        final IncFunction r = new IncFunction();
1918 >        final CFException ex = new CFException();
1919 >
1920 >        g.completeExceptionally(ex);
1921 >        f.complete(v1);
1922 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1923 >
1924 >        // unspecified behavior
1925 >        Integer v;
1926 >        try {
1927 >            assertEquals(h.join(), inc(v1));
1928 >            assertEquals(r.invocationCount, 1);
1929 >        } catch (CompletionException ok) {
1930 >            checkCompletedWithWrappedCFException(h, ex);
1931 >            assertEquals(r.invocationCount, 0);
1932 >        }
1933 >
1934 >        checkCompletedWithWrappedCFException(g, ex);
1935 >        checkCompletedNormally(f, v1);
1936 >        }
1937 >    }
1938 >
1939 >    public void testApplyToEither_exceptionalCompletion4() {
1940 >        for (ExecutionMode m : ExecutionMode.values())
1941 >        for (Integer v1 : new Integer[] { 1, null }) {
1942 >
1943 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1944 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1945 >        final IncFunction r = new IncFunction();
1946 >        final CFException ex = new CFException();
1947 >
1948 >        f.completeExceptionally(ex);
1949 >        g.complete(v1);
1950 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1951 >
1952 >        // unspecified behavior
1953 >        Integer v;
1954 >        try {
1955 >            assertEquals(h.join(), inc(v1));
1956 >            assertEquals(r.invocationCount, 1);
1957 >        } catch (CompletionException ok) {
1958 >            checkCompletedWithWrappedCFException(h, ex);
1959 >            assertEquals(r.invocationCount, 0);
1960 >        }
1961 >
1962 >        checkCompletedWithWrappedCFException(f, ex);
1963 >        checkCompletedNormally(g, v1);
1964 >        }
1965      }
1966  
1967      /**
1968       * applyToEither result completes exceptionally if action does
1969       */
1970 <    public void testApplyToEither3() {
1971 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1972 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1973 <        FailingFunction r = new FailingFunction();
1974 <        CompletableFuture<Integer> g = f.applyToEither(f2, r);
1975 <        f2.complete(two);
1976 <        checkCompletedWithWrappedCFException(g);
1970 >    public void testApplyToEither_actionFailed1() {
1971 >        for (ExecutionMode m : ExecutionMode.values())
1972 >        for (Integer v1 : new Integer[] { 1, null })
1973 >        for (Integer v2 : new Integer[] { 2, null }) {
1974 >
1975 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1976 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1977 >        final FailingFunction r = new FailingFunction();
1978 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1979 >
1980 >        f.complete(v1);
1981 >        checkCompletedWithWrappedCFException(h);
1982 >        g.complete(v2);
1983 >        checkCompletedNormally(f, v1);
1984 >        checkCompletedNormally(g, v2);
1985 >        }
1986 >    }
1987 >
1988 >    public void testApplyToEither_actionFailed2() {
1989 >        for (ExecutionMode m : ExecutionMode.values())
1990 >        for (Integer v1 : new Integer[] { 1, null })
1991 >        for (Integer v2 : new Integer[] { 2, null }) {
1992 >
1993 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1994 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1995 >        final FailingFunction r = new FailingFunction();
1996 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1997 >
1998 >        g.complete(v2);
1999 >        checkCompletedWithWrappedCFException(h);
2000 >        f.complete(v1);
2001 >        checkCompletedNormally(f, v1);
2002 >        checkCompletedNormally(g, v2);
2003 >        }
2004      }
2005  
2006      /**
2007       * applyToEither result completes exceptionally if either source cancelled
2008       */
2009 <    public void testApplyToEither4() {
2010 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2011 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2012 <        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2013 <        assertTrue(f.cancel(true));
2014 <        checkCompletedWithWrappedCancellationException(g);
2015 <        f = new CompletableFuture<Integer>();
2016 <        f2 = new CompletableFuture<Integer>();
2017 <        assertTrue(f2.cancel(true));
2018 <        checkCompletedWithWrappedCancellationException(g);
2009 >    public void testApplyToEither_sourceCancelled1() {
2010 >        for (ExecutionMode m : ExecutionMode.values())
2011 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2012 >        for (Integer v1 : new Integer[] { 1, null }) {
2013 >
2014 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2015 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2016 >        final IncFunction r = new IncFunction();
2017 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2018 >
2019 >        assertTrue(f.cancel(mayInterruptIfRunning));
2020 >        checkCompletedWithWrappedCancellationException(h);
2021 >        g.complete(v1);
2022 >
2023 >        checkCancelled(f);
2024 >        assertEquals(r.invocationCount, 0);
2025 >        checkCompletedNormally(g, v1);
2026 >        checkCompletedWithWrappedCancellationException(h);
2027 >        }
2028 >    }
2029 >
2030 >    public void testApplyToEither_sourceCancelled2() {
2031 >        for (ExecutionMode m : ExecutionMode.values())
2032 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2033 >        for (Integer v1 : new Integer[] { 1, null }) {
2034 >
2035 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2036 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2037 >        final IncFunction r = new IncFunction();
2038 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2039 >
2040 >        assertTrue(g.cancel(mayInterruptIfRunning));
2041 >        checkCompletedWithWrappedCancellationException(h);
2042 >        f.complete(v1);
2043 >
2044 >        checkCancelled(g);
2045 >        assertEquals(r.invocationCount, 0);
2046 >        checkCompletedNormally(f, v1);
2047 >        checkCompletedWithWrappedCancellationException(h);
2048 >        }
2049 >    }
2050 >
2051 >    public void testApplyToEither_sourceCancelled3() {
2052 >        for (ExecutionMode m : ExecutionMode.values())
2053 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2054 >        for (Integer v1 : new Integer[] { 1, null }) {
2055 >
2056 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2057 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2058 >        final IncFunction r = new IncFunction();
2059 >
2060 >        assertTrue(g.cancel(mayInterruptIfRunning));
2061 >        f.complete(v1);
2062 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2063 >
2064 >        // unspecified behavior
2065 >        Integer v;
2066 >        try {
2067 >            assertEquals(h.join(), inc(v1));
2068 >            assertEquals(r.invocationCount, 1);
2069 >        } catch (CompletionException ok) {
2070 >            checkCompletedWithWrappedCancellationException(h);
2071 >            assertEquals(r.invocationCount, 0);
2072 >        }
2073 >
2074 >        checkCancelled(g);
2075 >        checkCompletedNormally(f, v1);
2076 >        }
2077 >    }
2078 >
2079 >    public void testApplyToEither_sourceCancelled4() {
2080 >        for (ExecutionMode m : ExecutionMode.values())
2081 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2082 >        for (Integer v1 : new Integer[] { 1, null }) {
2083 >
2084 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2085 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2086 >        final IncFunction r = new IncFunction();
2087 >
2088 >        assertTrue(f.cancel(mayInterruptIfRunning));
2089 >        g.complete(v1);
2090 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2091 >
2092 >        // unspecified behavior
2093 >        Integer v;
2094 >        try {
2095 >            assertEquals(h.join(), inc(v1));
2096 >            assertEquals(r.invocationCount, 1);
2097 >        } catch (CompletionException ok) {
2098 >            checkCompletedWithWrappedCancellationException(h);
2099 >            assertEquals(r.invocationCount, 0);
2100 >        }
2101 >
2102 >        checkCancelled(f);
2103 >        checkCompletedNormally(g, v1);
2104 >        }
2105      }
2106  
2107      /**
2108       * acceptEither result completes normally after normal completion
2109       * of either source
2110       */
2111 <    public void testAcceptEither() {
2112 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2113 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2114 <        IncAction r = new IncAction();
2115 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
2116 <        f.complete(one);
2117 <        checkCompletedNormally(g, null);
2118 <        f2.complete(one);
2119 <        checkCompletedNormally(g, null);
2120 <        assertEquals(r.value, 2);
2111 >    public void testAcceptEither_normalCompletion1() {
2112 >        for (ExecutionMode m : ExecutionMode.values())
2113 >        for (Integer v1 : new Integer[] { 1, null })
2114 >        for (Integer v2 : new Integer[] { 2, null }) {
2115 >
2116 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2117 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2118 >        final IncAction r = new IncAction();
2119 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2120 >
2121 >        f.complete(v1);
2122 >        checkCompletedNormally(h, null);
2123 >        assertEquals(r.value, inc(v1));
2124 >        g.complete(v2);
2125 >
2126 >        checkCompletedNormally(f, v1);
2127 >        checkCompletedNormally(g, v2);
2128 >        checkCompletedNormally(h, null);
2129 >        }
2130 >    }
2131  
2132 <        r = new IncAction();
2133 <        f = new CompletableFuture<Integer>();
2134 <        f.complete(one);
2135 <        f2 = new CompletableFuture<Integer>();
2136 <        g = f.acceptEither(f2, r);
2137 <        checkCompletedNormally(g, null);
2138 <        assertEquals(r.value, 2);
2132 >    public void testAcceptEither_normalCompletion2() {
2133 >        for (ExecutionMode m : ExecutionMode.values())
2134 >        for (Integer v1 : new Integer[] { 1, null })
2135 >        for (Integer v2 : new Integer[] { 2, null }) {
2136 >
2137 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2138 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2139 >        final IncAction r = new IncAction();
2140 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2141 >
2142 >        g.complete(v2);
2143 >        checkCompletedNormally(h, null);
2144 >        assertEquals(r.value, inc(v2));
2145 >        f.complete(v1);
2146 >
2147 >        checkCompletedNormally(f, v1);
2148 >        checkCompletedNormally(g, v2);
2149 >        checkCompletedNormally(h, null);
2150 >        }
2151 >    }
2152 >    public void testAcceptEither_normalCompletion3() {
2153 >        for (ExecutionMode m : ExecutionMode.values())
2154 >        for (Integer v1 : new Integer[] { 1, null })
2155 >        for (Integer v2 : new Integer[] { 2, null }) {
2156 >
2157 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2158 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2159 >        final IncAction r = new IncAction();
2160 >
2161 >        f.complete(v1);
2162 >        g.complete(v2);
2163 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2164 >
2165 >        checkCompletedNormally(h, null);
2166 >        checkCompletedNormally(f, v1);
2167 >        checkCompletedNormally(g, v2);
2168 >
2169 >        // unspecified behavior
2170 >        assertTrue(Objects.equals(r.value, inc(v1)) ||
2171 >                   Objects.equals(r.value, inc(v2)));
2172 >        }
2173      }
2174  
2175      /**
2176       * acceptEither result completes exceptionally after exceptional
2177       * completion of either source
2178       */
2179 <    public void testAcceptEither2() {
2180 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2181 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2182 <        IncAction r = new IncAction();
2183 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
2184 <        f.completeExceptionally(new CFException());
2185 <        f2.complete(one);
2186 <        checkCompletedWithWrappedCFException(g);
2179 >    public void testAcceptEither_exceptionalCompletion1() {
2180 >        for (ExecutionMode m : ExecutionMode.values())
2181 >        for (Integer v1 : new Integer[] { 1, null }) {
2182 >
2183 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2184 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2185 >        final IncAction r = new IncAction();
2186 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2187 >        final CFException ex = new CFException();
2188 >
2189 >        f.completeExceptionally(ex);
2190 >        checkCompletedWithWrappedCFException(h, ex);
2191 >        g.complete(v1);
2192 >
2193 >        assertEquals(r.invocationCount, 0);
2194 >        checkCompletedNormally(g, v1);
2195 >        checkCompletedWithWrappedCFException(f, ex);
2196 >        checkCompletedWithWrappedCFException(h, ex);
2197 >        }
2198 >    }
2199  
2200 <        r = new IncAction();
2201 <        f = new CompletableFuture<Integer>();
2202 <        f2 = new CompletableFuture<Integer>();
2203 <        f2.completeExceptionally(new CFException());
2204 <        g = f.acceptEither(f2, r);
2205 <        checkCompletedWithWrappedCFException(g);
2200 >    public void testAcceptEither_exceptionalCompletion2() {
2201 >        for (ExecutionMode m : ExecutionMode.values())
2202 >        for (Integer v1 : new Integer[] { 1, null }) {
2203 >
2204 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2205 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2206 >        final IncAction r = new IncAction();
2207 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2208 >        final CFException ex = new CFException();
2209 >
2210 >        g.completeExceptionally(ex);
2211 >        checkCompletedWithWrappedCFException(h, ex);
2212 >        f.complete(v1);
2213 >
2214 >        assertEquals(r.invocationCount, 0);
2215 >        checkCompletedNormally(f, v1);
2216 >        checkCompletedWithWrappedCFException(g, ex);
2217 >        checkCompletedWithWrappedCFException(h, ex);
2218 >        }
2219 >    }
2220 >
2221 >    public void testAcceptEither_exceptionalCompletion3() {
2222 >        for (ExecutionMode m : ExecutionMode.values())
2223 >        for (Integer v1 : new Integer[] { 1, null }) {
2224 >
2225 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2226 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2227 >        final IncAction r = new IncAction();
2228 >        final CFException ex = new CFException();
2229 >
2230 >        g.completeExceptionally(ex);
2231 >        f.complete(v1);
2232 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2233 >
2234 >        // unspecified behavior
2235 >        Integer v;
2236 >        try {
2237 >            assertEquals(h.join(), null);
2238 >            assertEquals(r.invocationCount, 1);
2239 >            assertEquals(inc(v1), r.value);
2240 >        } catch (CompletionException ok) {
2241 >            checkCompletedWithWrappedCFException(h, ex);
2242 >            assertEquals(r.invocationCount, 0);
2243 >        }
2244 >
2245 >        checkCompletedWithWrappedCFException(g, ex);
2246 >        checkCompletedNormally(f, v1);
2247 >        }
2248 >    }
2249 >
2250 >    public void testAcceptEither_exceptionalCompletion4() {
2251 >        for (ExecutionMode m : ExecutionMode.values())
2252 >        for (Integer v1 : new Integer[] { 1, null }) {
2253 >
2254 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2255 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2256 >        final IncAction r = new IncAction();
2257 >        final CFException ex = new CFException();
2258 >
2259 >        f.completeExceptionally(ex);
2260 >        g.complete(v1);
2261 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2262 >
2263 >        // unspecified behavior
2264 >        Integer v;
2265 >        try {
2266 >            assertEquals(h.join(), null);
2267 >            assertEquals(r.invocationCount, 1);
2268 >            assertEquals(inc(v1), r.value);
2269 >        } catch (CompletionException ok) {
2270 >            checkCompletedWithWrappedCFException(h, ex);
2271 >            assertEquals(r.invocationCount, 0);
2272 >        }
2273 >
2274 >        checkCompletedWithWrappedCFException(f, ex);
2275 >        checkCompletedNormally(g, v1);
2276 >        }
2277      }
2278  
2279      /**
2280       * acceptEither result completes exceptionally if action does
2281       */
2282 <    public void testAcceptEither3() {
2283 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2284 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2285 <        FailingConsumer r = new FailingConsumer();
2286 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
2287 <        f2.complete(two);
2288 <        checkCompletedWithWrappedCFException(g);
2282 >    public void testAcceptEither_actionFailed1() {
2283 >        for (ExecutionMode m : ExecutionMode.values())
2284 >        for (Integer v1 : new Integer[] { 1, null })
2285 >        for (Integer v2 : new Integer[] { 2, null }) {
2286 >
2287 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2288 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2289 >        final FailingConsumer r = new FailingConsumer();
2290 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2291 >
2292 >        f.complete(v1);
2293 >        checkCompletedWithWrappedCFException(h);
2294 >        g.complete(v2);
2295 >        checkCompletedNormally(f, v1);
2296 >        checkCompletedNormally(g, v2);
2297 >        }
2298 >    }
2299 >
2300 >    public void testAcceptEither_actionFailed2() {
2301 >        for (ExecutionMode m : ExecutionMode.values())
2302 >        for (Integer v1 : new Integer[] { 1, null })
2303 >        for (Integer v2 : new Integer[] { 2, null }) {
2304 >
2305 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2306 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2307 >        final FailingConsumer r = new FailingConsumer();
2308 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2309 >
2310 >        g.complete(v2);
2311 >        checkCompletedWithWrappedCFException(h);
2312 >        f.complete(v1);
2313 >        checkCompletedNormally(f, v1);
2314 >        checkCompletedNormally(g, v2);
2315 >        }
2316      }
2317  
2318      /**
2319       * acceptEither result completes exceptionally if either source cancelled
2320       */
2321 <    public void testAcceptEither4() {
2322 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2323 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2324 <        IncAction r = new IncAction();
2325 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
2326 <        assertTrue(f.cancel(true));
2327 <        checkCompletedWithWrappedCancellationException(g);
2328 <        f = new CompletableFuture<Integer>();
2329 <        f2 = new CompletableFuture<Integer>();
2330 <        assertTrue(f2.cancel(true));
2331 <        checkCompletedWithWrappedCancellationException(g);
2321 >    public void testAcceptEither_sourceCancelled1() {
2322 >        for (ExecutionMode m : ExecutionMode.values())
2323 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2324 >        for (Integer v1 : new Integer[] { 1, null }) {
2325 >
2326 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2327 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2328 >        final IncAction r = new IncAction();
2329 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2330 >
2331 >        assertTrue(f.cancel(mayInterruptIfRunning));
2332 >        checkCompletedWithWrappedCancellationException(h);
2333 >        g.complete(v1);
2334 >
2335 >        checkCancelled(f);
2336 >        assertEquals(r.invocationCount, 0);
2337 >        checkCompletedNormally(g, v1);
2338 >        checkCompletedWithWrappedCancellationException(h);
2339 >        }
2340 >    }
2341 >
2342 >    public void testAcceptEither_sourceCancelled2() {
2343 >        for (ExecutionMode m : ExecutionMode.values())
2344 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2345 >        for (Integer v1 : new Integer[] { 1, null }) {
2346 >
2347 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2348 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2349 >        final IncAction r = new IncAction();
2350 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2351 >
2352 >        assertTrue(g.cancel(mayInterruptIfRunning));
2353 >        checkCompletedWithWrappedCancellationException(h);
2354 >        f.complete(v1);
2355 >
2356 >        checkCancelled(g);
2357 >        assertEquals(r.invocationCount, 0);
2358 >        checkCompletedNormally(f, v1);
2359 >        checkCompletedWithWrappedCancellationException(h);
2360 >        }
2361 >    }
2362 >
2363 >    public void testAcceptEither_sourceCancelled3() {
2364 >        for (ExecutionMode m : ExecutionMode.values())
2365 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2366 >        for (Integer v1 : new Integer[] { 1, null }) {
2367 >
2368 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2369 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2370 >        final IncAction r = new IncAction();
2371 >
2372 >        assertTrue(g.cancel(mayInterruptIfRunning));
2373 >        f.complete(v1);
2374 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2375 >
2376 >        // unspecified behavior
2377 >        Integer v;
2378 >        try {
2379 >            assertEquals(h.join(), null);
2380 >            assertEquals(r.invocationCount, 1);
2381 >            assertEquals(inc(v1), r.value);
2382 >        } catch (CompletionException ok) {
2383 >            checkCompletedWithWrappedCancellationException(h);
2384 >            assertEquals(r.invocationCount, 0);
2385 >        }
2386 >
2387 >        checkCancelled(g);
2388 >        checkCompletedNormally(f, v1);
2389 >        }
2390      }
2391  
2392 +    public void testAcceptEither_sourceCancelled4() {
2393 +        for (ExecutionMode m : ExecutionMode.values())
2394 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2395 +        for (Integer v1 : new Integer[] { 1, null }) {
2396 +
2397 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2398 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
2399 +        final IncAction r = new IncAction();
2400 +
2401 +        assertTrue(f.cancel(mayInterruptIfRunning));
2402 +        g.complete(v1);
2403 +        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2404 +
2405 +        // unspecified behavior
2406 +        Integer v;
2407 +        try {
2408 +            assertEquals(h.join(), null);
2409 +            assertEquals(r.invocationCount, 1);
2410 +            assertEquals(inc(v1), r.value);
2411 +        } catch (CompletionException ok) {
2412 +            checkCompletedWithWrappedCancellationException(h);
2413 +            assertEquals(r.invocationCount, 0);
2414 +        }
2415 +
2416 +        checkCancelled(f);
2417 +        checkCompletedNormally(g, v1);
2418 +        }
2419 +    }
2420  
2421      /**
2422       * runAfterEither result completes normally after normal completion
2423       * of either source
2424       */
2425 <    public void testRunAfterEither() {
2426 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2427 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2428 <        Noop r = new Noop();
2429 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
2430 <        f.complete(one);
2431 <        checkCompletedNormally(g, null);
2432 <        f2.complete(one);
2433 <        checkCompletedNormally(g, null);
2434 <        assertTrue(r.ran);
2425 >    public void testRunAfterEither_normalCompletion1() {
2426 >        for (ExecutionMode m : ExecutionMode.values())
2427 >        for (Integer v1 : new Integer[] { 1, null })
2428 >        for (Integer v2 : new Integer[] { 2, null }) {
2429 >
2430 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2431 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2432 >        final Noop r = new Noop();
2433 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2434 >
2435 >        f.complete(v1);
2436 >        checkCompletedNormally(h, null);
2437 >        assertEquals(r.invocationCount, 1);
2438 >        g.complete(v2);
2439 >
2440 >        checkCompletedNormally(f, v1);
2441 >        checkCompletedNormally(g, v2);
2442 >        checkCompletedNormally(h, null);
2443 >        assertEquals(r.invocationCount, 1);
2444 >        }
2445 >    }
2446  
2447 <        r = new Noop();
2448 <        f = new CompletableFuture<Integer>();
2449 <        f.complete(one);
2450 <        f2 = new CompletableFuture<Integer>();
2451 <        g = f.runAfterEither(f2, r);
2452 <        checkCompletedNormally(g, null);
2453 <        assertTrue(r.ran);
2447 >    public void testRunAfterEither_normalCompletion2() {
2448 >        for (ExecutionMode m : ExecutionMode.values())
2449 >        for (Integer v1 : new Integer[] { 1, null })
2450 >        for (Integer v2 : new Integer[] { 2, null }) {
2451 >
2452 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2453 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2454 >        final Noop r = new Noop();
2455 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2456 >
2457 >        g.complete(v2);
2458 >        checkCompletedNormally(h, null);
2459 >        assertEquals(r.invocationCount, 1);
2460 >        f.complete(v1);
2461 >
2462 >        checkCompletedNormally(f, v1);
2463 >        checkCompletedNormally(g, v2);
2464 >        checkCompletedNormally(h, null);
2465 >        assertEquals(r.invocationCount, 1);
2466 >        }
2467 >    }
2468 >    public void testRunAfterEither_normalCompletion3() {
2469 >        for (ExecutionMode m : ExecutionMode.values())
2470 >        for (Integer v1 : new Integer[] { 1, null })
2471 >        for (Integer v2 : new Integer[] { 2, null }) {
2472 >
2473 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2474 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2475 >        final Noop r = new Noop();
2476 >
2477 >        f.complete(v1);
2478 >        g.complete(v2);
2479 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2480 >
2481 >        checkCompletedNormally(h, null);
2482 >        checkCompletedNormally(f, v1);
2483 >        checkCompletedNormally(g, v2);
2484 >        assertEquals(r.invocationCount, 1);
2485 >        }
2486      }
2487  
2488      /**
2489       * runAfterEither result completes exceptionally after exceptional
2490       * completion of either source
2491       */
2492 <    public void testRunAfterEither2() {
2493 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2494 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2495 <        Noop r = new Noop();
2496 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
2497 <        f.completeExceptionally(new CFException());
2498 <        f2.complete(one);
2499 <        checkCompletedWithWrappedCFException(g);
2492 >    public void testRunAfterEither_exceptionalCompletion1() {
2493 >        for (ExecutionMode m : ExecutionMode.values())
2494 >        for (Integer v1 : new Integer[] { 1, null }) {
2495 >
2496 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2497 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2498 >        final Noop r = new Noop();
2499 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2500 >        final CFException ex = new CFException();
2501 >
2502 >        f.completeExceptionally(ex);
2503 >        checkCompletedWithWrappedCFException(h, ex);
2504 >        g.complete(v1);
2505 >
2506 >        assertEquals(r.invocationCount, 0);
2507 >        checkCompletedNormally(g, v1);
2508 >        checkCompletedWithWrappedCFException(f, ex);
2509 >        checkCompletedWithWrappedCFException(h, ex);
2510 >        }
2511 >    }
2512  
2513 <        r = new Noop();
2514 <        f = new CompletableFuture<Integer>();
2515 <        f2 = new CompletableFuture<Integer>();
2516 <        f2.completeExceptionally(new CFException());
2517 <        g = f.runAfterEither(f2, r);
2518 <        checkCompletedWithWrappedCFException(g);
2513 >    public void testRunAfterEither_exceptionalCompletion2() {
2514 >        for (ExecutionMode m : ExecutionMode.values())
2515 >        for (Integer v1 : new Integer[] { 1, null }) {
2516 >
2517 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2518 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2519 >        final Noop r = new Noop();
2520 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2521 >        final CFException ex = new CFException();
2522 >
2523 >        g.completeExceptionally(ex);
2524 >        checkCompletedWithWrappedCFException(h, ex);
2525 >        f.complete(v1);
2526 >
2527 >        assertEquals(r.invocationCount, 0);
2528 >        checkCompletedNormally(f, v1);
2529 >        checkCompletedWithWrappedCFException(g, ex);
2530 >        checkCompletedWithWrappedCFException(h, ex);
2531 >        }
2532 >    }
2533 >
2534 >    public void testRunAfterEither_exceptionalCompletion3() {
2535 >        for (ExecutionMode m : ExecutionMode.values())
2536 >        for (Integer v1 : new Integer[] { 1, null }) {
2537 >
2538 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2539 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2540 >        final Noop r = new Noop();
2541 >        final CFException ex = new CFException();
2542 >
2543 >        g.completeExceptionally(ex);
2544 >        f.complete(v1);
2545 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2546 >
2547 >        // unspecified behavior
2548 >        Integer v;
2549 >        try {
2550 >            assertEquals(h.join(), null);
2551 >            assertEquals(r.invocationCount, 1);
2552 >        } catch (CompletionException ok) {
2553 >            checkCompletedWithWrappedCFException(h, ex);
2554 >            assertEquals(r.invocationCount, 0);
2555 >        }
2556 >
2557 >        checkCompletedWithWrappedCFException(g, ex);
2558 >        checkCompletedNormally(f, v1);
2559 >        }
2560 >    }
2561 >
2562 >    public void testRunAfterEither_exceptionalCompletion4() {
2563 >        for (ExecutionMode m : ExecutionMode.values())
2564 >        for (Integer v1 : new Integer[] { 1, null }) {
2565 >
2566 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2567 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2568 >        final Noop r = new Noop();
2569 >        final CFException ex = new CFException();
2570 >
2571 >        f.completeExceptionally(ex);
2572 >        g.complete(v1);
2573 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2574 >
2575 >        // unspecified behavior
2576 >        Integer v;
2577 >        try {
2578 >            assertEquals(h.join(), null);
2579 >            assertEquals(r.invocationCount, 1);
2580 >        } catch (CompletionException ok) {
2581 >            checkCompletedWithWrappedCFException(h, ex);
2582 >            assertEquals(r.invocationCount, 0);
2583 >        }
2584 >
2585 >        checkCompletedWithWrappedCFException(f, ex);
2586 >        checkCompletedNormally(g, v1);
2587 >        }
2588      }
2589  
2590      /**
2591       * runAfterEither result completes exceptionally if action does
2592       */
2593 <    public void testRunAfterEither3() {
2594 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2595 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2596 <        FailingNoop r = new FailingNoop();
2597 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
2598 <        f2.complete(two);
2599 <        checkCompletedWithWrappedCFException(g);
2593 >    public void testRunAfterEither_actionFailed1() {
2594 >        for (ExecutionMode m : ExecutionMode.values())
2595 >        for (Integer v1 : new Integer[] { 1, null })
2596 >        for (Integer v2 : new Integer[] { 2, null }) {
2597 >
2598 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2599 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2600 >        final FailingNoop r = new FailingNoop();
2601 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2602 >
2603 >        f.complete(v1);
2604 >        checkCompletedWithWrappedCFException(h);
2605 >        g.complete(v2);
2606 >        checkCompletedNormally(f, v1);
2607 >        checkCompletedNormally(g, v2);
2608 >        }
2609 >    }
2610 >
2611 >    public void testRunAfterEither_actionFailed2() {
2612 >        for (ExecutionMode m : ExecutionMode.values())
2613 >        for (Integer v1 : new Integer[] { 1, null })
2614 >        for (Integer v2 : new Integer[] { 2, null }) {
2615 >
2616 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2617 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2618 >        final FailingNoop r = new FailingNoop();
2619 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2620 >
2621 >        g.complete(v2);
2622 >        checkCompletedWithWrappedCFException(h);
2623 >        f.complete(v1);
2624 >        checkCompletedNormally(f, v1);
2625 >        checkCompletedNormally(g, v2);
2626 >        }
2627      }
2628  
2629      /**
2630       * runAfterEither result completes exceptionally if either source cancelled
2631       */
2632 <    public void testRunAfterEither4() {
2633 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2634 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2635 <        Noop r = new Noop();
2636 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
2637 <        assertTrue(f.cancel(true));
2638 <        checkCompletedWithWrappedCancellationException(g);
2639 <        f = new CompletableFuture<Integer>();
2640 <        f2 = new CompletableFuture<Integer>();
2641 <        assertTrue(f2.cancel(true));
2642 <        checkCompletedWithWrappedCancellationException(g);
2632 >    public void testRunAfterEither_sourceCancelled1() {
2633 >        for (ExecutionMode m : ExecutionMode.values())
2634 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2635 >        for (Integer v1 : new Integer[] { 1, null }) {
2636 >
2637 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2638 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2639 >        final Noop r = new Noop();
2640 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2641 >
2642 >        assertTrue(f.cancel(mayInterruptIfRunning));
2643 >        checkCompletedWithWrappedCancellationException(h);
2644 >        g.complete(v1);
2645 >
2646 >        checkCancelled(f);
2647 >        assertEquals(r.invocationCount, 0);
2648 >        checkCompletedNormally(g, v1);
2649 >        checkCompletedWithWrappedCancellationException(h);
2650 >        }
2651 >    }
2652 >
2653 >    public void testRunAfterEither_sourceCancelled2() {
2654 >        for (ExecutionMode m : ExecutionMode.values())
2655 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2656 >        for (Integer v1 : new Integer[] { 1, null }) {
2657 >
2658 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2659 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2660 >        final Noop r = new Noop();
2661 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2662 >
2663 >        assertTrue(g.cancel(mayInterruptIfRunning));
2664 >        checkCompletedWithWrappedCancellationException(h);
2665 >        f.complete(v1);
2666 >
2667 >        checkCancelled(g);
2668 >        assertEquals(r.invocationCount, 0);
2669 >        checkCompletedNormally(f, v1);
2670 >        checkCompletedWithWrappedCancellationException(h);
2671 >        }
2672 >    }
2673 >
2674 >    public void testRunAfterEither_sourceCancelled3() {
2675 >        for (ExecutionMode m : ExecutionMode.values())
2676 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2677 >        for (Integer v1 : new Integer[] { 1, null }) {
2678 >
2679 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2680 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2681 >        final Noop r = new Noop();
2682 >
2683 >        assertTrue(g.cancel(mayInterruptIfRunning));
2684 >        f.complete(v1);
2685 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2686 >
2687 >        // unspecified behavior
2688 >        Integer v;
2689 >        try {
2690 >            assertEquals(h.join(), null);
2691 >            assertEquals(r.invocationCount, 1);
2692 >        } catch (CompletionException ok) {
2693 >            checkCompletedWithWrappedCancellationException(h);
2694 >            assertEquals(r.invocationCount, 0);
2695 >        }
2696 >
2697 >        checkCancelled(g);
2698 >        checkCompletedNormally(f, v1);
2699 >        }
2700 >    }
2701 >
2702 >    public void testRunAfterEither_sourceCancelled4() {
2703 >        for (ExecutionMode m : ExecutionMode.values())
2704 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2705 >        for (Integer v1 : new Integer[] { 1, null }) {
2706 >
2707 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2708 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2709 >        final Noop r = new Noop();
2710 >
2711 >        assertTrue(f.cancel(mayInterruptIfRunning));
2712 >        g.complete(v1);
2713 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2714 >
2715 >        // unspecified behavior
2716 >        Integer v;
2717 >        try {
2718 >            assertEquals(h.join(), null);
2719 >            assertEquals(r.invocationCount, 1);
2720 >        } catch (CompletionException ok) {
2721 >            checkCompletedWithWrappedCancellationException(h);
2722 >            assertEquals(r.invocationCount, 0);
2723 >        }
2724 >
2725 >        checkCancelled(f);
2726 >        checkCompletedNormally(g, v1);
2727 >        }
2728      }
2729  
2730      /**
2731       * thenCompose result completes normally after normal completion of source
2732       */
2733      public void testThenCompose() {
2734 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2735 <        CompletableFutureInc r = new CompletableFutureInc();
2736 <        CompletableFuture<Integer> g = f.thenCompose(r);
2734 >        CompletableFuture<Integer> f, g;
2735 >        CompletableFutureInc r;
2736 >
2737 >        f = new CompletableFuture<>();
2738 >        g = f.thenCompose(r = new CompletableFutureInc());
2739          f.complete(one);
2740          checkCompletedNormally(g, two);
2741 +        assertTrue(r.ran);
2742 +
2743 +        f = new CompletableFuture<>();
2744 +        f.complete(one);
2745 +        g = f.thenCompose(r = new CompletableFutureInc());
2746 +        checkCompletedNormally(g, two);
2747 +        assertTrue(r.ran);
2748      }
2749  
2750      /**
# Line 1139 | Line 2752 | public class CompletableFutureTest exten
2752       * completion of source
2753       */
2754      public void testThenCompose2() {
2755 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2756 <        CompletableFutureInc r = new CompletableFutureInc();
2757 <        CompletableFuture<Integer> g = f.thenCompose(r);
2755 >        CompletableFuture<Integer> f, g;
2756 >        CompletableFutureInc r;
2757 >
2758 >        f = new CompletableFuture<>();
2759 >        g = f.thenCompose(r = new CompletableFutureInc());
2760          f.completeExceptionally(new CFException());
2761          checkCompletedWithWrappedCFException(g);
2762 +
2763 +        f = new CompletableFuture<>();
2764 +        f.completeExceptionally(new CFException());
2765 +        g = f.thenCompose(r = new CompletableFutureInc());
2766 +        checkCompletedWithWrappedCFException(g);
2767      }
2768  
2769      /**
2770       * thenCompose result completes exceptionally if action does
2771       */
2772      public void testThenCompose3() {
2773 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2774 <        FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2775 <        CompletableFuture<Integer> g = f.thenCompose(r);
2773 >        CompletableFuture<Integer> f, g;
2774 >        FailingCompletableFutureFunction r;
2775 >
2776 >        f = new CompletableFuture<>();
2777 >        g = f.thenCompose(r = new FailingCompletableFutureFunction());
2778          f.complete(one);
2779          checkCompletedWithWrappedCFException(g);
2780 +
2781 +        f = new CompletableFuture<>();
2782 +        f.complete(one);
2783 +        g = f.thenCompose(r = new FailingCompletableFutureFunction());
2784 +        checkCompletedWithWrappedCFException(g);
2785      }
2786  
2787      /**
2788       * thenCompose result completes exceptionally if source cancelled
2789       */
2790      public void testThenCompose4() {
2791 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2792 <        CompletableFutureInc r = new CompletableFutureInc();
2793 <        CompletableFuture<Integer> g = f.thenCompose(r);
2791 >        CompletableFuture<Integer> f, g;
2792 >        CompletableFutureInc r;
2793 >
2794 >        f = new CompletableFuture<>();
2795 >        g = f.thenCompose(r = new CompletableFutureInc());
2796          assertTrue(f.cancel(true));
2797          checkCompletedWithWrappedCancellationException(g);
1169    }
2798  
2799 +        f = new CompletableFuture<>();
2800 +        assertTrue(f.cancel(true));
2801 +        g = f.thenCompose(r = new CompletableFutureInc());
2802 +        checkCompletedWithWrappedCancellationException(g);
2803 +    }
2804  
2805      // asyncs
2806  
# Line 1175 | Line 2808 | public class CompletableFutureTest exten
2808       * thenRunAsync result completes normally after normal completion of source
2809       */
2810      public void testThenRunAsync() {
2811 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2811 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2812          Noop r = new Noop();
2813          CompletableFuture<Void> g = f.thenRunAsync(r);
2814          f.complete(null);
2815          checkCompletedNormally(g, null);
2816  
2817          // reordered version
2818 <        f = new CompletableFuture<Integer>();
2818 >        f = new CompletableFuture<>();
2819          f.complete(null);
2820          r = new Noop();
2821          g = f.thenRunAsync(r);
# Line 1194 | Line 2827 | public class CompletableFutureTest exten
2827       * completion of source
2828       */
2829      public void testThenRunAsync2() {
2830 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2830 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2831          Noop r = new Noop();
2832          CompletableFuture<Void> g = f.thenRunAsync(r);
2833          f.completeExceptionally(new CFException());
2834          try {
2835              g.join();
2836              shouldThrow();
2837 <        } catch (Exception ok) {
1205 <        }
2837 >        } catch (CompletionException success) {}
2838          checkCompletedWithWrappedCFException(g);
2839      }
2840  
# Line 1210 | Line 2842 | public class CompletableFutureTest exten
2842       * thenRunAsync result completes exceptionally if action does
2843       */
2844      public void testThenRunAsync3() {
2845 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2845 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2846          FailingNoop r = new FailingNoop();
2847          CompletableFuture<Void> g = f.thenRunAsync(r);
2848          f.complete(null);
# Line 1221 | Line 2853 | public class CompletableFutureTest exten
2853       * thenRunAsync result completes exceptionally if source cancelled
2854       */
2855      public void testThenRunAsync4() {
2856 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2856 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2857          Noop r = new Noop();
2858          CompletableFuture<Void> g = f.thenRunAsync(r);
2859          assertTrue(f.cancel(true));
# Line 1232 | Line 2864 | public class CompletableFutureTest exten
2864       * thenApplyAsync result completes normally after normal completion of source
2865       */
2866      public void testThenApplyAsync() {
2867 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2867 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2868          CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2869          f.complete(one);
2870          checkCompletedNormally(g, two);
# Line 1243 | Line 2875 | public class CompletableFutureTest exten
2875       * completion of source
2876       */
2877      public void testThenApplyAsync2() {
2878 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2878 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2879          CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2880          f.completeExceptionally(new CFException());
2881          checkCompletedWithWrappedCFException(g);
# Line 1253 | Line 2885 | public class CompletableFutureTest exten
2885       * thenApplyAsync result completes exceptionally if action does
2886       */
2887      public void testThenApplyAsync3() {
2888 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2888 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2889          FailingFunction r = new FailingFunction();
2890          CompletableFuture<Integer> g = f.thenApplyAsync(r);
2891          f.complete(null);
# Line 1264 | Line 2896 | public class CompletableFutureTest exten
2896       * thenApplyAsync result completes exceptionally if source cancelled
2897       */
2898      public void testThenApplyAsync4() {
2899 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2899 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2900          CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2901          assertTrue(f.cancel(true));
2902          checkCompletedWithWrappedCancellationException(g);
# Line 1275 | Line 2907 | public class CompletableFutureTest exten
2907       * completion of source
2908       */
2909      public void testThenAcceptAsync() {
2910 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2910 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2911          IncAction r = new IncAction();
2912          CompletableFuture<Void> g = f.thenAcceptAsync(r);
2913          f.complete(one);
2914          checkCompletedNormally(g, null);
2915 <        assertEquals(r.value, 2);
2915 >        assertEquals(r.value, (Integer) 2);
2916      }
2917  
2918      /**
# Line 1288 | Line 2920 | public class CompletableFutureTest exten
2920       * completion of source
2921       */
2922      public void testThenAcceptAsync2() {
2923 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2923 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2924          IncAction r = new IncAction();
2925          CompletableFuture<Void> g = f.thenAcceptAsync(r);
2926          f.completeExceptionally(new CFException());
# Line 1299 | Line 2931 | public class CompletableFutureTest exten
2931       * thenAcceptAsync result completes exceptionally if action does
2932       */
2933      public void testThenAcceptAsync3() {
2934 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2934 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2935          FailingConsumer r = new FailingConsumer();
2936          CompletableFuture<Void> g = f.thenAcceptAsync(r);
2937          f.complete(null);
# Line 1310 | Line 2942 | public class CompletableFutureTest exten
2942       * thenAcceptAsync result completes exceptionally if source cancelled
2943       */
2944      public void testThenAcceptAsync4() {
2945 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2945 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2946          IncAction r = new IncAction();
2947          CompletableFuture<Void> g = f.thenAcceptAsync(r);
2948          assertTrue(f.cancel(true));
# Line 1318 | Line 2950 | public class CompletableFutureTest exten
2950      }
2951  
2952      /**
1321     * thenCombineAsync result completes normally after normal
1322     * completion of sources
1323     */
1324    public void testThenCombineAsync() {
1325        CompletableFuture<Integer> f, g, h;
1326
1327        f = new CompletableFuture<Integer>();
1328        g = new CompletableFuture<Integer>();
1329        h = f.thenCombineAsync(g, subtract);
1330        f.complete(3);
1331        checkIncomplete(h);
1332        g.complete(1);
1333        checkCompletedNormally(h, 2);
1334
1335        f = new CompletableFuture<Integer>();
1336        g = new CompletableFuture<Integer>();
1337        h = f.thenCombineAsync(g, subtract);
1338        g.complete(1);
1339        checkIncomplete(h);
1340        f.complete(3);
1341        checkCompletedNormally(h, 2);
1342
1343        f = new CompletableFuture<Integer>();
1344        g = new CompletableFuture<Integer>();
1345        g.complete(1);
1346        f.complete(3);
1347        h = f.thenCombineAsync(g, subtract);
1348        checkCompletedNormally(h, 2);
1349    }
1350
1351    /**
1352     * thenCombineAsync result completes exceptionally after exceptional
1353     * completion of either source
1354     */
1355    public void testThenCombineAsync2() {
1356        CompletableFuture<Integer> f, g, h;
1357
1358        f = new CompletableFuture<Integer>();
1359        g = new CompletableFuture<Integer>();
1360        h = f.thenCombineAsync(g, subtract);
1361        f.completeExceptionally(new CFException());
1362        checkIncomplete(h);
1363        g.complete(1);
1364        checkCompletedWithWrappedCFException(h);
1365
1366        f = new CompletableFuture<Integer>();
1367        g = new CompletableFuture<Integer>();
1368        h = f.thenCombineAsync(g, subtract);
1369        g.completeExceptionally(new CFException());
1370        checkIncomplete(h);
1371        f.complete(3);
1372        checkCompletedWithWrappedCFException(h);
1373
1374        f = new CompletableFuture<Integer>();
1375        g = new CompletableFuture<Integer>();
1376        g.completeExceptionally(new CFException());
1377        f.complete(3);
1378        h = f.thenCombineAsync(g, subtract);
1379        checkCompletedWithWrappedCFException(h);
1380    }
1381
1382    /**
1383     * thenCombineAsync result completes exceptionally if action does
1384     */
1385    public void testThenCombineAsync3() {
1386        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1387        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1388        FailingBiFunction r = new FailingBiFunction();
1389        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1390        f.complete(one);
1391        checkIncomplete(g);
1392        assertFalse(r.ran);
1393        f2.complete(two);
1394        checkCompletedWithWrappedCFException(g);
1395        assertTrue(r.ran);
1396    }
1397
1398    /**
1399     * thenCombineAsync result completes exceptionally if either source cancelled
1400     */
1401    public void testThenCombineAsync4() {
1402        CompletableFuture<Integer> f, g, h;
1403
1404        f = new CompletableFuture<Integer>();
1405        g = new CompletableFuture<Integer>();
1406        h = f.thenCombineAsync(g, subtract);
1407        assertTrue(f.cancel(true));
1408        checkIncomplete(h);
1409        g.complete(1);
1410        checkCompletedWithWrappedCancellationException(h);
1411
1412        f = new CompletableFuture<Integer>();
1413        g = new CompletableFuture<Integer>();
1414        h = f.thenCombineAsync(g, subtract);
1415        assertTrue(g.cancel(true));
1416        checkIncomplete(h);
1417        f.complete(3);
1418        checkCompletedWithWrappedCancellationException(h);
1419
1420        f = new CompletableFuture<Integer>();
1421        g = new CompletableFuture<Integer>();
1422        g.complete(3);
1423        assertTrue(f.cancel(true));
1424        h = f.thenCombineAsync(g, subtract);
1425        checkCompletedWithWrappedCancellationException(h);
1426
1427        f = new CompletableFuture<Integer>();
1428        g = new CompletableFuture<Integer>();
1429        f.complete(3);
1430        assertTrue(g.cancel(true));
1431        h = f.thenCombineAsync(g, subtract);
1432        checkCompletedWithWrappedCancellationException(h);
1433    }
1434
1435    /**
1436     * thenAcceptBothAsync result completes normally after normal
1437     * completion of sources
1438     */
1439    public void testThenAcceptBothAsync() {
1440        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1441        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1442        AddAction r = new AddAction();
1443        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1444        f.complete(one);
1445        checkIncomplete(g);
1446        f2.complete(two);
1447        checkCompletedNormally(g, null);
1448        assertEquals(r.value, 3);
1449    }
1450
1451    /**
1452     * thenAcceptBothAsync result completes exceptionally after exceptional
1453     * completion of source
1454     */
1455    public void testThenAcceptBothAsync2() {
1456        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1457        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1458        AddAction r = new AddAction();
1459        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1460        f.completeExceptionally(new CFException());
1461        f2.complete(two);
1462        checkCompletedWithWrappedCFException(g);
1463
1464        r = new AddAction();
1465        f = new CompletableFuture<Integer>();
1466        f2 = new CompletableFuture<Integer>();
1467        g = f.thenAcceptBothAsync(f2, r);
1468        f.complete(one);
1469        f2.completeExceptionally(new CFException());
1470        checkCompletedWithWrappedCFException(g);
1471    }
1472
1473    /**
1474     * thenAcceptBothAsync result completes exceptionally if action does
1475     */
1476    public void testThenAcceptBothAsync3() {
1477        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1478        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1479        FailingBiConsumer r = new FailingBiConsumer();
1480        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1481        f.complete(one);
1482        checkIncomplete(g);
1483        f2.complete(two);
1484        checkCompletedWithWrappedCFException(g);
1485    }
1486
1487    /**
1488     * thenAcceptBothAsync result completes exceptionally if either source cancelled
1489     */
1490    public void testThenAcceptBothAsync4() {
1491        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1492        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1493        AddAction r = new AddAction();
1494        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1495        assertTrue(f.cancel(true));
1496        f2.complete(two);
1497        checkCompletedWithWrappedCancellationException(g);
1498
1499        r = new AddAction();
1500        f = new CompletableFuture<Integer>();
1501        f2 = new CompletableFuture<Integer>();
1502        g = f.thenAcceptBothAsync(f2, r);
1503        f.complete(one);
1504        assertTrue(f2.cancel(true));
1505        checkCompletedWithWrappedCancellationException(g);
1506    }
1507
1508    /**
1509     * runAfterBothAsync result completes normally after normal
1510     * completion of sources
1511     */
1512    public void testRunAfterBothAsync() {
1513        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1514        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1515        Noop r = new Noop();
1516        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1517        f.complete(one);
1518        checkIncomplete(g);
1519        f2.complete(two);
1520        checkCompletedNormally(g, null);
1521        assertTrue(r.ran);
1522    }
1523
1524    /**
1525     * runAfterBothAsync result completes exceptionally after exceptional
1526     * completion of source
1527     */
1528    public void testRunAfterBothAsync2() {
1529        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1530        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1531        Noop r = new Noop();
1532        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1533        f.completeExceptionally(new CFException());
1534        f2.complete(two);
1535        checkCompletedWithWrappedCFException(g);
1536
1537        r = new Noop();
1538        f = new CompletableFuture<Integer>();
1539        f2 = new CompletableFuture<Integer>();
1540        g = f.runAfterBothAsync(f2, r);
1541        f.complete(one);
1542        f2.completeExceptionally(new CFException());
1543        checkCompletedWithWrappedCFException(g);
1544    }
1545
1546    /**
1547     * runAfterBothAsync result completes exceptionally if action does
1548     */
1549    public void testRunAfterBothAsync3() {
1550        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1551        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1552        FailingNoop r = new FailingNoop();
1553        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1554        f.complete(one);
1555        checkIncomplete(g);
1556        f2.complete(two);
1557        checkCompletedWithWrappedCFException(g);
1558    }
1559
1560    /**
1561     * runAfterBothAsync result completes exceptionally if either source cancelled
1562     */
1563    public void testRunAfterBothAsync4() {
1564        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1565        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1566        Noop r = new Noop();
1567        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1568        assertTrue(f.cancel(true));
1569        f2.complete(two);
1570        checkCompletedWithWrappedCancellationException(g);
1571
1572        r = new Noop();
1573        f = new CompletableFuture<Integer>();
1574        f2 = new CompletableFuture<Integer>();
1575        g = f.runAfterBothAsync(f2, r);
1576        f.complete(one);
1577        assertTrue(f2.cancel(true));
1578        checkCompletedWithWrappedCancellationException(g);
1579    }
1580
1581    /**
1582     * applyToEitherAsync result completes normally after normal
1583     * completion of sources
1584     */
1585    public void testApplyToEitherAsync() {
1586        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1587        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1588        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1589        f.complete(one);
1590        checkCompletedNormally(g, two);
1591
1592        f = new CompletableFuture<Integer>();
1593        f.complete(one);
1594        f2 = new CompletableFuture<Integer>();
1595        g = f.applyToEitherAsync(f2, inc);
1596        checkCompletedNormally(g, two);
1597    }
1598
1599    /**
1600     * applyToEitherAsync result completes exceptionally after exceptional
1601     * completion of source
1602     */
1603    public void testApplyToEitherAsync2() {
1604        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1605        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1606        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1607        f.completeExceptionally(new CFException());
1608        checkCompletedWithWrappedCFException(g);
1609
1610        f = new CompletableFuture<Integer>();
1611        f2 = new CompletableFuture<Integer>();
1612        f2.completeExceptionally(new CFException());
1613        g = f.applyToEitherAsync(f2, inc);
1614        f.complete(one);
1615        checkCompletedWithWrappedCFException(g);
1616    }
1617
1618    /**
1619     * applyToEitherAsync result completes exceptionally if action does
1620     */
1621    public void testApplyToEitherAsync3() {
1622        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1623        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1624        FailingFunction r = new FailingFunction();
1625        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1626        f.complete(one);
1627        checkCompletedWithWrappedCFException(g);
1628    }
1629
1630    /**
1631     * applyToEitherAsync result completes exceptionally if either source cancelled
1632     */
1633    public void testApplyToEitherAsync4() {
1634        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1635        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1636        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1637        assertTrue(f.cancel(true));
1638        checkCompletedWithWrappedCancellationException(g);
1639
1640        f = new CompletableFuture<Integer>();
1641        f2 = new CompletableFuture<Integer>();
1642        assertTrue(f2.cancel(true));
1643        g = f.applyToEitherAsync(f2, inc);
1644        checkCompletedWithWrappedCancellationException(g);
1645    }
1646
1647    /**
1648     * acceptEitherAsync result completes normally after normal
1649     * completion of sources
1650     */
1651    public void testAcceptEitherAsync() {
1652        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1653        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1654        IncAction r = new IncAction();
1655        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1656        f.complete(one);
1657        checkCompletedNormally(g, null);
1658        assertEquals(r.value, 2);
1659
1660        r = new IncAction();
1661        f = new CompletableFuture<Integer>();
1662        f.complete(one);
1663        f2 = new CompletableFuture<Integer>();
1664        g = f.acceptEitherAsync(f2, r);
1665        checkCompletedNormally(g, null);
1666        assertEquals(r.value, 2);
1667    }
1668
1669    /**
1670     * acceptEitherAsync result completes exceptionally after exceptional
1671     * completion of source
1672     */
1673    public void testAcceptEitherAsync2() {
1674        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1675        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1676        IncAction r = new IncAction();
1677        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1678        f.completeExceptionally(new CFException());
1679        checkCompletedWithWrappedCFException(g);
1680
1681        r = new IncAction();
1682        f = new CompletableFuture<Integer>();
1683        f2 = new CompletableFuture<Integer>();
1684        f2.completeExceptionally(new CFException());
1685        g = f.acceptEitherAsync(f2, r);
1686        f.complete(one);
1687        checkCompletedWithWrappedCFException(g);
1688    }
1689
1690    /**
1691     * acceptEitherAsync result completes exceptionally if action does
1692     */
1693    public void testAcceptEitherAsync3() {
1694        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1695        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1696        FailingConsumer r = new FailingConsumer();
1697        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1698        f.complete(one);
1699        checkCompletedWithWrappedCFException(g);
1700    }
1701
1702    /**
1703     * acceptEitherAsync result completes exceptionally if either
1704     * source cancelled
1705     */
1706    public void testAcceptEitherAsync4() {
1707        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1708        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1709        IncAction r = new IncAction();
1710        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1711        assertTrue(f.cancel(true));
1712        checkCompletedWithWrappedCancellationException(g);
1713
1714        r = new IncAction();
1715        f = new CompletableFuture<Integer>();
1716        f2 = new CompletableFuture<Integer>();
1717        assertTrue(f2.cancel(true));
1718        g = f.acceptEitherAsync(f2, r);
1719        checkCompletedWithWrappedCancellationException(g);
1720    }
1721
1722    /**
1723     * runAfterEitherAsync result completes normally after normal
1724     * completion of sources
1725     */
1726    public void testRunAfterEitherAsync() {
1727        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1728        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1729        Noop r = new Noop();
1730        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1731        f.complete(one);
1732        checkCompletedNormally(g, null);
1733        assertTrue(r.ran);
1734
1735        r = new Noop();
1736        f = new CompletableFuture<Integer>();
1737        f.complete(one);
1738        f2 = new CompletableFuture<Integer>();
1739        g = f.runAfterEitherAsync(f2, r);
1740        checkCompletedNormally(g, null);
1741        assertTrue(r.ran);
1742    }
1743
1744    /**
1745     * runAfterEitherAsync result completes exceptionally after exceptional
1746     * completion of source
1747     */
1748    public void testRunAfterEitherAsync2() {
1749        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1750        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1751        Noop r = new Noop();
1752        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1753        f.completeExceptionally(new CFException());
1754        checkCompletedWithWrappedCFException(g);
1755
1756        r = new Noop();
1757        f = new CompletableFuture<Integer>();
1758        f2 = new CompletableFuture<Integer>();
1759        f2.completeExceptionally(new CFException());
1760        g = f.runAfterEitherAsync(f2, r);
1761        f.complete(one);
1762        checkCompletedWithWrappedCFException(g);
1763    }
1764
1765    /**
1766     * runAfterEitherAsync result completes exceptionally if action does
1767     */
1768    public void testRunAfterEitherAsync3() {
1769        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1770        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1771        FailingNoop r = new FailingNoop();
1772        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1773        f.complete(one);
1774        checkCompletedWithWrappedCFException(g);
1775    }
1776
1777    /**
1778     * runAfterEitherAsync result completes exceptionally if either
1779     * source cancelled
1780     */
1781    public void testRunAfterEitherAsync4() {
1782        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1783        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1784        Noop r = new Noop();
1785        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1786        assertTrue(f.cancel(true));
1787        checkCompletedWithWrappedCancellationException(g);
1788
1789        r = new Noop();
1790        f = new CompletableFuture<Integer>();
1791        f2 = new CompletableFuture<Integer>();
1792        assertTrue(f2.cancel(true));
1793        g = f.runAfterEitherAsync(f2, r);
1794        checkCompletedWithWrappedCancellationException(g);
1795    }
1796
1797    /**
2953       * thenComposeAsync result completes normally after normal
2954       * completion of source
2955       */
# Line 1802 | Line 2957 | public class CompletableFutureTest exten
2957          CompletableFuture<Integer> f, g;
2958          CompletableFutureInc r;
2959  
2960 <        f = new CompletableFuture<Integer>();
2960 >        f = new CompletableFuture<>();
2961          g = f.thenComposeAsync(r = new CompletableFutureInc());
2962          f.complete(one);
2963          checkCompletedNormally(g, two);
2964  
2965 <        f = new CompletableFuture<Integer>();
2965 >        f = new CompletableFuture<>();
2966          f.complete(one);
2967          g = f.thenComposeAsync(r = new CompletableFutureInc());
2968          checkCompletedNormally(g, two);
# Line 1821 | Line 2976 | public class CompletableFutureTest exten
2976          CompletableFuture<Integer> f, g;
2977          CompletableFutureInc r;
2978  
2979 <        f = new CompletableFuture<Integer>();
2979 >        f = new CompletableFuture<>();
2980          g = f.thenComposeAsync(r = new CompletableFutureInc());
2981          f.completeExceptionally(new CFException());
2982          checkCompletedWithWrappedCFException(g);
2983          assertFalse(r.ran);
2984  
2985 <        f = new CompletableFuture<Integer>();
2985 >        f = new CompletableFuture<>();
2986          f.completeExceptionally(new CFException());
2987          g = f.thenComposeAsync(r = new CompletableFutureInc());
2988          checkCompletedWithWrappedCFException(g);
# Line 1840 | Line 2995 | public class CompletableFutureTest exten
2995      public void testThenComposeAsync3() {
2996          CompletableFuture<Integer> f, g;
2997          FailingCompletableFutureFunction r;
2998 <        
2999 <        f = new CompletableFuture<Integer>();
2998 >
2999 >        f = new CompletableFuture<>();
3000          g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3001          f.complete(one);
3002          checkCompletedWithWrappedCFException(g);
3003 <        
3004 <        f = new CompletableFuture<Integer>();
3003 >
3004 >        f = new CompletableFuture<>();
3005          f.complete(one);
3006          g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3007          checkCompletedWithWrappedCFException(g);
# Line 1859 | Line 3014 | public class CompletableFutureTest exten
3014          CompletableFuture<Integer> f, g;
3015          CompletableFutureInc r;
3016  
3017 <        f = new CompletableFuture<Integer>();
3017 >        f = new CompletableFuture<>();
3018          g = f.thenComposeAsync(r = new CompletableFutureInc());
3019          assertTrue(f.cancel(true));
3020          checkCompletedWithWrappedCancellationException(g);
3021  
3022 <        f = new CompletableFuture<Integer>();
3022 >        f = new CompletableFuture<>();
3023          assertTrue(f.cancel(true));
3024          g = f.thenComposeAsync(r = new CompletableFutureInc());
3025          checkCompletedWithWrappedCancellationException(g);
3026      }
3027  
1873
3028      // async with explicit executors
3029  
3030      /**
3031       * thenRunAsync result completes normally after normal completion of source
3032       */
3033      public void testThenRunAsyncE() {
3034 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3034 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3035          Noop r = new Noop();
3036          CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3037          f.complete(null);
3038          checkCompletedNormally(g, null);
3039  
3040          // reordered version
3041 <        f = new CompletableFuture<Integer>();
3041 >        f = new CompletableFuture<>();
3042          f.complete(null);
3043          r = new Noop();
3044          g = f.thenRunAsync(r, new ThreadExecutor());
# Line 1896 | Line 3050 | public class CompletableFutureTest exten
3050       * completion of source
3051       */
3052      public void testThenRunAsync2E() {
3053 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3053 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3054          Noop r = new Noop();
3055          CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3056          f.completeExceptionally(new CFException());
3057          try {
3058              g.join();
3059              shouldThrow();
3060 <        } catch (Exception ok) {
1907 <        }
3060 >        } catch (CompletionException success) {}
3061          checkCompletedWithWrappedCFException(g);
3062      }
3063  
# Line 1912 | Line 3065 | public class CompletableFutureTest exten
3065       * thenRunAsync result completes exceptionally if action does
3066       */
3067      public void testThenRunAsync3E() {
3068 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3068 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3069          FailingNoop r = new FailingNoop();
3070          CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3071          f.complete(null);
# Line 1923 | Line 3076 | public class CompletableFutureTest exten
3076       * thenRunAsync result completes exceptionally if source cancelled
3077       */
3078      public void testThenRunAsync4E() {
3079 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3079 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3080          Noop r = new Noop();
3081          CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3082          assertTrue(f.cancel(true));
# Line 1934 | Line 3087 | public class CompletableFutureTest exten
3087       * thenApplyAsync result completes normally after normal completion of source
3088       */
3089      public void testThenApplyAsyncE() {
3090 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3090 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3091          CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3092          f.complete(one);
3093          checkCompletedNormally(g, two);
# Line 1945 | Line 3098 | public class CompletableFutureTest exten
3098       * completion of source
3099       */
3100      public void testThenApplyAsync2E() {
3101 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3101 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3102          CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3103          f.completeExceptionally(new CFException());
3104          checkCompletedWithWrappedCFException(g);
# Line 1955 | Line 3108 | public class CompletableFutureTest exten
3108       * thenApplyAsync result completes exceptionally if action does
3109       */
3110      public void testThenApplyAsync3E() {
3111 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3111 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3112          FailingFunction r = new FailingFunction();
3113          CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3114          f.complete(null);
# Line 1966 | Line 3119 | public class CompletableFutureTest exten
3119       * thenApplyAsync result completes exceptionally if source cancelled
3120       */
3121      public void testThenApplyAsync4E() {
3122 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3122 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3123          CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3124          assertTrue(f.cancel(true));
3125          checkCompletedWithWrappedCancellationException(g);
# Line 1977 | Line 3130 | public class CompletableFutureTest exten
3130       * completion of source
3131       */
3132      public void testThenAcceptAsyncE() {
3133 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3133 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3134          IncAction r = new IncAction();
3135          CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3136          f.complete(one);
3137          checkCompletedNormally(g, null);
3138 <        assertEquals(r.value, 2);
3138 >        assertEquals(r.value, (Integer) 2);
3139      }
3140  
3141      /**
# Line 1990 | Line 3143 | public class CompletableFutureTest exten
3143       * completion of source
3144       */
3145      public void testThenAcceptAsync2E() {
3146 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3146 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3147          IncAction r = new IncAction();
3148          CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3149          f.completeExceptionally(new CFException());
# Line 2001 | Line 3154 | public class CompletableFutureTest exten
3154       * thenAcceptAsync result completes exceptionally if action does
3155       */
3156      public void testThenAcceptAsync3E() {
3157 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3157 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3158          FailingConsumer r = new FailingConsumer();
3159          CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3160          f.complete(null);
# Line 2012 | Line 3165 | public class CompletableFutureTest exten
3165       * thenAcceptAsync result completes exceptionally if source cancelled
3166       */
3167      public void testThenAcceptAsync4E() {
3168 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3168 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3169          IncAction r = new IncAction();
3170          CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3171          assertTrue(f.cancel(true));
# Line 2020 | Line 3173 | public class CompletableFutureTest exten
3173      }
3174  
3175      /**
2023     * thenCombineAsync result completes normally after normal
2024     * completion of sources
2025     */
2026    public void testThenCombineAsyncE() {
2027        CompletableFuture<Integer> f, g, h;
2028        ThreadExecutor e = new ThreadExecutor();
2029        int count = 0;
2030
2031        f = new CompletableFuture<Integer>();
2032        g = new CompletableFuture<Integer>();
2033        h = f.thenCombineAsync(g, subtract, e);
2034        f.complete(3);
2035        checkIncomplete(h);
2036        g.complete(1);
2037        checkCompletedNormally(h, 2);
2038        assertEquals(++count, e.count.get());
2039
2040        f = new CompletableFuture<Integer>();
2041        g = new CompletableFuture<Integer>();
2042        h = f.thenCombineAsync(g, subtract, e);
2043        g.complete(1);
2044        checkIncomplete(h);
2045        f.complete(3);
2046        checkCompletedNormally(h, 2);
2047        assertEquals(++count, e.count.get());
2048
2049        f = new CompletableFuture<Integer>();
2050        g = new CompletableFuture<Integer>();
2051        g.complete(1);
2052        f.complete(3);
2053        h = f.thenCombineAsync(g, subtract, e);
2054        checkCompletedNormally(h, 2);
2055        assertEquals(++count, e.count.get());
2056    }
2057
2058    /**
2059     * thenCombineAsync result completes exceptionally after exceptional
2060     * completion of either source
2061     */
2062    public void testThenCombineAsync2E() {
2063        CompletableFuture<Integer> f, g, h;
2064        ThreadExecutor e = new ThreadExecutor();
2065        int count = 0;
2066
2067        f = new CompletableFuture<Integer>();
2068        g = new CompletableFuture<Integer>();
2069        h = f.thenCombineAsync(g, subtract, e);
2070        f.completeExceptionally(new CFException());
2071        checkIncomplete(h);
2072        g.complete(1);
2073        checkCompletedWithWrappedCFException(h);
2074
2075        f = new CompletableFuture<Integer>();
2076        g = new CompletableFuture<Integer>();
2077        h = f.thenCombineAsync(g, subtract, e);
2078        g.completeExceptionally(new CFException());
2079        checkIncomplete(h);
2080        f.complete(3);
2081        checkCompletedWithWrappedCFException(h);
2082
2083        f = new CompletableFuture<Integer>();
2084        g = new CompletableFuture<Integer>();
2085        g.completeExceptionally(new CFException());
2086        h = f.thenCombineAsync(g, subtract, e);
2087        checkIncomplete(h);
2088        f.complete(3);
2089        checkCompletedWithWrappedCFException(h);
2090
2091        assertEquals(0, e.count.get());
2092    }
2093
2094    /**
2095     * thenCombineAsync result completes exceptionally if action does
2096     */
2097    public void testThenCombineAsync3E() {
2098        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2099        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2100        FailingBiFunction r = new FailingBiFunction();
2101        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2102        f.complete(one);
2103        checkIncomplete(g);
2104        assertFalse(r.ran);
2105        f2.complete(two);
2106        checkCompletedWithWrappedCFException(g);
2107        assertTrue(r.ran);
2108    }
2109
2110    /**
2111     * thenCombineAsync result completes exceptionally if either source cancelled
2112     */
2113    public void testThenCombineAsync4E() {
2114        CompletableFuture<Integer> f, g, h;
2115        ThreadExecutor e = new ThreadExecutor();
2116
2117        f = new CompletableFuture<Integer>();
2118        g = new CompletableFuture<Integer>();
2119        h = f.thenCombineAsync(g, subtract, e);
2120        assertTrue(f.cancel(true));
2121        checkIncomplete(h);
2122        g.complete(1);
2123        checkCompletedWithWrappedCancellationException(h);
2124
2125        f = new CompletableFuture<Integer>();
2126        g = new CompletableFuture<Integer>();
2127        h = f.thenCombineAsync(g, subtract, e);
2128        assertTrue(g.cancel(true));
2129        checkIncomplete(h);
2130        f.complete(3);
2131        checkCompletedWithWrappedCancellationException(h);
2132
2133        f = new CompletableFuture<Integer>();
2134        g = new CompletableFuture<Integer>();
2135        assertTrue(g.cancel(true));
2136        h = f.thenCombineAsync(g, subtract, e);
2137        checkIncomplete(h);
2138        f.complete(3);
2139        checkCompletedWithWrappedCancellationException(h);
2140
2141        f = new CompletableFuture<Integer>();
2142        g = new CompletableFuture<Integer>();
2143        assertTrue(f.cancel(true));
2144        assertTrue(g.cancel(true));
2145        h = f.thenCombineAsync(g, subtract, e);
2146        checkCompletedWithWrappedCancellationException(h);
2147
2148        assertEquals(0, e.count.get());
2149    }
2150
2151    /**
2152     * thenAcceptBothAsync result completes normally after normal
2153     * completion of sources
2154     */
2155    public void testThenAcceptBothAsyncE() {
2156        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2157        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2158        AddAction r = new AddAction();
2159        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2160        f.complete(one);
2161        checkIncomplete(g);
2162        f2.complete(two);
2163        checkCompletedNormally(g, null);
2164        assertEquals(r.value, 3);
2165    }
2166
2167    /**
2168     * thenAcceptBothAsync result completes exceptionally after exceptional
2169     * completion of source
2170     */
2171    public void testThenAcceptBothAsync2E() {
2172        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2173        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2174        AddAction r = new AddAction();
2175        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2176        f.completeExceptionally(new CFException());
2177        f2.complete(two);
2178        checkCompletedWithWrappedCFException(g);
2179
2180        r = new AddAction();
2181        f = new CompletableFuture<Integer>();
2182        f2 = new CompletableFuture<Integer>();
2183        g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2184        f.complete(one);
2185        f2.completeExceptionally(new CFException());
2186        checkCompletedWithWrappedCFException(g);
2187    }
2188
2189    /**
2190     * thenAcceptBothAsync result completes exceptionally if action does
2191     */
2192    public void testThenAcceptBothAsync3E() {
2193        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2194        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2195        FailingBiConsumer r = new FailingBiConsumer();
2196        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2197        f.complete(one);
2198        checkIncomplete(g);
2199        f2.complete(two);
2200        checkCompletedWithWrappedCFException(g);
2201    }
2202
2203    /**
2204     * thenAcceptBothAsync result completes exceptionally if either source cancelled
2205     */
2206    public void testThenAcceptBothAsync4E() {
2207        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2208        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2209        AddAction r = new AddAction();
2210        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2211        assertTrue(f.cancel(true));
2212        f2.complete(two);
2213        checkCompletedWithWrappedCancellationException(g);
2214
2215        r = new AddAction();
2216        f = new CompletableFuture<Integer>();
2217        f2 = new CompletableFuture<Integer>();
2218        g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2219        f.complete(one);
2220        assertTrue(f2.cancel(true));
2221        checkCompletedWithWrappedCancellationException(g);
2222    }
2223
2224    /**
2225     * runAfterBothAsync result completes normally after normal
2226     * completion of sources
2227     */
2228    public void testRunAfterBothAsyncE() {
2229        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2230        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2231        Noop r = new Noop();
2232        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2233        f.complete(one);
2234        checkIncomplete(g);
2235        f2.complete(two);
2236        checkCompletedNormally(g, null);
2237        assertTrue(r.ran);
2238    }
2239
2240    /**
2241     * runAfterBothAsync result completes exceptionally after exceptional
2242     * completion of source
2243     */
2244    public void testRunAfterBothAsync2E() {
2245        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2246        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2247        Noop r = new Noop();
2248        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2249        f.completeExceptionally(new CFException());
2250        f2.complete(two);
2251        checkCompletedWithWrappedCFException(g);
2252
2253        r = new Noop();
2254        f = new CompletableFuture<Integer>();
2255        f2 = new CompletableFuture<Integer>();
2256        g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2257        f.complete(one);
2258        f2.completeExceptionally(new CFException());
2259        checkCompletedWithWrappedCFException(g);
2260    }
2261
2262    /**
2263     * runAfterBothAsync result completes exceptionally if action does
2264     */
2265    public void testRunAfterBothAsync3E() {
2266        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2267        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2268        FailingNoop r = new FailingNoop();
2269        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2270        f.complete(one);
2271        checkIncomplete(g);
2272        f2.complete(two);
2273        checkCompletedWithWrappedCFException(g);
2274    }
2275
2276    /**
2277     * runAfterBothAsync result completes exceptionally if either source cancelled
2278     */
2279    public void testRunAfterBothAsync4E() {
2280        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2281        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2282        Noop r = new Noop();
2283        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2284        assertTrue(f.cancel(true));
2285        f2.complete(two);
2286        checkCompletedWithWrappedCancellationException(g);
2287
2288        r = new Noop();
2289        f = new CompletableFuture<Integer>();
2290        f2 = new CompletableFuture<Integer>();
2291        g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2292        f.complete(one);
2293        assertTrue(f2.cancel(true));
2294        checkCompletedWithWrappedCancellationException(g);
2295    }
2296
2297    /**
2298     * applyToEitherAsync result completes normally after normal
2299     * completion of sources
2300     */
2301    public void testApplyToEitherAsyncE() {
2302        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2303        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2304        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2305        f.complete(one);
2306        checkCompletedNormally(g, two);
2307
2308        f = new CompletableFuture<Integer>();
2309        f.complete(one);
2310        f2 = new CompletableFuture<Integer>();
2311        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2312        checkCompletedNormally(g, two);
2313    }
2314
2315    /**
2316     * applyToEitherAsync result completes exceptionally after exceptional
2317     * completion of source
2318     */
2319    public void testApplyToEitherAsync2E() {
2320        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2321        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2322        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2323        f.completeExceptionally(new CFException());
2324        checkCompletedWithWrappedCFException(g);
2325
2326        f = new CompletableFuture<Integer>();
2327        f2 = new CompletableFuture<Integer>();
2328        f2.completeExceptionally(new CFException());
2329        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2330        f.complete(one);
2331        checkCompletedWithWrappedCFException(g);
2332    }
2333
2334    /**
2335     * applyToEitherAsync result completes exceptionally if action does
2336     */
2337    public void testApplyToEitherAsync3E() {
2338        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2339        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2340        FailingFunction r = new FailingFunction();
2341        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2342        f.complete(one);
2343        checkCompletedWithWrappedCFException(g);
2344    }
2345
2346    /**
2347     * applyToEitherAsync result completes exceptionally if either source cancelled
2348     */
2349    public void testApplyToEitherAsync4E() {
2350        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2351        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2352        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2353        assertTrue(f.cancel(true));
2354        checkCompletedWithWrappedCancellationException(g);
2355
2356        f = new CompletableFuture<Integer>();
2357        f2 = new CompletableFuture<Integer>();
2358        assertTrue(f2.cancel(true));
2359        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2360        checkCompletedWithWrappedCancellationException(g);
2361    }
2362
2363    /**
2364     * acceptEitherAsync result completes normally after normal
2365     * completion of sources
2366     */
2367    public void testAcceptEitherAsyncE() {
2368        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2369        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2370        IncAction r = new IncAction();
2371        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2372        f.complete(one);
2373        checkCompletedNormally(g, null);
2374        assertEquals(r.value, 2);
2375
2376        r = new IncAction();
2377        f = new CompletableFuture<Integer>();
2378        f.complete(one);
2379        f2 = new CompletableFuture<Integer>();
2380        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2381        checkCompletedNormally(g, null);
2382        assertEquals(r.value, 2);
2383    }
2384
2385    /**
2386     * acceptEitherAsync result completes exceptionally after exceptional
2387     * completion of source
2388     */
2389    public void testAcceptEitherAsync2E() {
2390        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2391        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2392        IncAction r = new IncAction();
2393        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2394        f.completeExceptionally(new CFException());
2395        checkCompletedWithWrappedCFException(g);
2396
2397        r = new IncAction();
2398        f = new CompletableFuture<Integer>();
2399        f2 = new CompletableFuture<Integer>();
2400        f2.completeExceptionally(new CFException());
2401        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2402        f.complete(one);
2403        checkCompletedWithWrappedCFException(g);
2404    }
2405
2406    /**
2407     * acceptEitherAsync result completes exceptionally if action does
2408     */
2409    public void testAcceptEitherAsync3E() {
2410        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2411        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2412        FailingConsumer r = new FailingConsumer();
2413        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2414        f.complete(one);
2415        checkCompletedWithWrappedCFException(g);
2416    }
2417
2418    /**
2419     * acceptEitherAsync result completes exceptionally if either
2420     * source cancelled
2421     */
2422    public void testAcceptEitherAsync4E() {
2423        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2424        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2425        IncAction r = new IncAction();
2426        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2427        assertTrue(f.cancel(true));
2428        checkCompletedWithWrappedCancellationException(g);
2429
2430        r = new IncAction();
2431        f = new CompletableFuture<Integer>();
2432        f2 = new CompletableFuture<Integer>();
2433        assertTrue(f2.cancel(true));
2434        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2435        checkCompletedWithWrappedCancellationException(g);
2436    }
2437
2438    /**
2439     * runAfterEitherAsync result completes normally after normal
2440     * completion of sources
2441     */
2442    public void testRunAfterEitherAsyncE() {
2443        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2444        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2445        Noop r = new Noop();
2446        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2447        f.complete(one);
2448        checkCompletedNormally(g, null);
2449        assertTrue(r.ran);
2450
2451        r = new Noop();
2452        f = new CompletableFuture<Integer>();
2453        f.complete(one);
2454        f2 = new CompletableFuture<Integer>();
2455        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2456        checkCompletedNormally(g, null);
2457        assertTrue(r.ran);
2458    }
2459
2460    /**
2461     * runAfterEitherAsync result completes exceptionally after exceptional
2462     * completion of source
2463     */
2464    public void testRunAfterEitherAsync2E() {
2465        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2466        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2467        Noop r = new Noop();
2468        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2469        f.completeExceptionally(new CFException());
2470        checkCompletedWithWrappedCFException(g);
2471
2472        r = new Noop();
2473        f = new CompletableFuture<Integer>();
2474        f2 = new CompletableFuture<Integer>();
2475        f2.completeExceptionally(new CFException());
2476        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2477        f.complete(one);
2478        checkCompletedWithWrappedCFException(g);
2479    }
2480
2481    /**
2482     * runAfterEitherAsync result completes exceptionally if action does
2483     */
2484    public void testRunAfterEitherAsync3E() {
2485        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2486        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2487        FailingNoop r = new FailingNoop();
2488        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2489        f.complete(one);
2490        checkCompletedWithWrappedCFException(g);
2491    }
2492
2493    /**
2494     * runAfterEitherAsync result completes exceptionally if either
2495     * source cancelled
2496     */
2497    public void testRunAfterEitherAsync4E() {
2498        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2499        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2500        Noop r = new Noop();
2501        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2502        assertTrue(f.cancel(true));
2503        checkCompletedWithWrappedCancellationException(g);
2504
2505        r = new Noop();
2506        f = new CompletableFuture<Integer>();
2507        f2 = new CompletableFuture<Integer>();
2508        assertTrue(f2.cancel(true));
2509        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2510        checkCompletedWithWrappedCancellationException(g);
2511    }
2512
2513    /**
3176       * thenComposeAsync result completes normally after normal
3177       * completion of source
3178       */
3179      public void testThenComposeAsyncE() {
3180 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3180 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3181          CompletableFutureInc r = new CompletableFutureInc();
3182          CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3183          f.complete(one);
# Line 2527 | Line 3189 | public class CompletableFutureTest exten
3189       * exceptional completion of source
3190       */
3191      public void testThenComposeAsync2E() {
3192 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3192 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3193          CompletableFutureInc r = new CompletableFutureInc();
3194          CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3195          f.completeExceptionally(new CFException());
# Line 2538 | Line 3200 | public class CompletableFutureTest exten
3200       * thenComposeAsync result completes exceptionally if action does
3201       */
3202      public void testThenComposeAsync3E() {
3203 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3203 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3204          FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3205          CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3206          f.complete(one);
# Line 2549 | Line 3211 | public class CompletableFutureTest exten
3211       * thenComposeAsync result completes exceptionally if source cancelled
3212       */
3213      public void testThenComposeAsync4E() {
3214 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3214 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3215          CompletableFutureInc r = new CompletableFutureInc();
3216          CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3217          assertTrue(f.cancel(true));
# Line 2563 | Line 3225 | public class CompletableFutureTest exten
3225       * with the value null
3226       */
3227      public void testAllOf_empty() throws Exception {
3228 <        CompletableFuture<?> f = CompletableFuture.allOf();
3228 >        CompletableFuture<Void> f = CompletableFuture.allOf();
3229          checkCompletedNormally(f, null);
3230      }
3231  
3232      /**
3233 <     * allOf returns a future completed when all components complete
3233 >     * allOf returns a future completed normally with the value null
3234 >     * when all components complete normally
3235       */
3236 <    public void testAllOf() throws Exception {
3236 >    public void testAllOf_normal() throws Exception {
3237          for (int k = 1; k < 20; ++k) {
3238 <            CompletableFuture[] fs = new CompletableFuture[k];
3238 >            CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3239              for (int i = 0; i < k; ++i)
3240 <                fs[i] = new CompletableFuture<Integer>();
3240 >                fs[i] = new CompletableFuture<>();
3241              CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3242              for (int i = 0; i < k; ++i) {
3243                  checkIncomplete(f);
3244 +                checkIncomplete(CompletableFuture.allOf(fs));
3245                  fs[i].complete(one);
3246              }
3247              checkCompletedNormally(f, null);
3248 +            checkCompletedNormally(CompletableFuture.allOf(fs), null);
3249          }
3250      }
3251  
# Line 2588 | Line 3253 | public class CompletableFutureTest exten
3253       * anyOf(no component futures) returns an incomplete future
3254       */
3255      public void testAnyOf_empty() throws Exception {
3256 <        CompletableFuture<?> f = CompletableFuture.anyOf();
3256 >        CompletableFuture<Object> f = CompletableFuture.anyOf();
3257          checkIncomplete(f);
3258      }
3259  
3260      /**
3261 <     * anyOf returns a future completed when any components complete
3261 >     * anyOf returns a future completed normally with a value when
3262 >     * a component future does
3263       */
3264 <    public void testAnyOf() throws Exception {
3265 <        for (int k = 1; k < 20; ++k) {
3264 >    public void testAnyOf_normal() throws Exception {
3265 >        for (int k = 0; k < 10; ++k) {
3266              CompletableFuture[] fs = new CompletableFuture[k];
3267              for (int i = 0; i < k; ++i)
3268 <                fs[i] = new CompletableFuture<Integer>();
3268 >                fs[i] = new CompletableFuture<>();
3269              CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3270              checkIncomplete(f);
3271              for (int i = 0; i < k; ++i) {
3272                  fs[i].complete(one);
3273                  checkCompletedNormally(f, one);
3274 +                checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3275 +            }
3276 +        }
3277 +    }
3278 +
3279 +    /**
3280 +     * anyOf result completes exceptionally when any component does.
3281 +     */
3282 +    public void testAnyOf_exceptional() throws Exception {
3283 +        for (int k = 0; k < 10; ++k) {
3284 +            CompletableFuture[] fs = new CompletableFuture[k];
3285 +            for (int i = 0; i < k; ++i)
3286 +                fs[i] = new CompletableFuture<>();
3287 +            CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3288 +            checkIncomplete(f);
3289 +            for (int i = 0; i < k; ++i) {
3290 +                fs[i].completeExceptionally(new CFException());
3291 +                checkCompletedWithWrappedCFException(f);
3292 +                checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3293              }
3294          }
3295      }
# Line 2613 | Line 3298 | public class CompletableFutureTest exten
3298       * Completion methods throw NullPointerException with null arguments
3299       */
3300      public void testNPE() {
3301 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3302 <        CompletableFuture<Integer> g = new CompletableFuture<Integer>();
3301 >        CompletableFuture<Integer> f = new CompletableFuture<>();
3302 >        CompletableFuture<Integer> g = new CompletableFuture<>();
3303          CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3304          CompletableFuture<?> h;
3305          ThreadExecutor exec = new ThreadExecutor();
3306  
3307          Runnable[] throwingActions = {
3308 <            () -> { CompletableFuture.supplyAsync(null); },
3309 <            () -> { CompletableFuture.supplyAsync(null, exec); },
3310 <            () -> { CompletableFuture.supplyAsync(supplyOne, null); },
3311 <
3312 <            () -> { CompletableFuture.runAsync(null); },
3313 <            () -> { CompletableFuture.runAsync(null, exec); },
3314 <            () -> { CompletableFuture.runAsync(() -> {}, null); },
3315 <
3316 <            () -> { f.completeExceptionally(null); },
3317 <
3318 <            () -> { f.thenApply(null); },
3319 <            () -> { f.thenApplyAsync(null); },
3320 <            () -> { f.thenApplyAsync((x) -> x, null); },
3321 <            () -> { f.thenApplyAsync(null, exec); },
3322 <
3323 <            () -> { f.thenAccept(null); },
3324 <            () -> { f.thenAcceptAsync(null); },
3325 <            () -> { f.thenAcceptAsync((x) -> { ; }, null); },
3326 <            () -> { f.thenAcceptAsync(null, exec); },
3327 <
3328 <            () -> { f.thenRun(null); },
3329 <            () -> { f.thenRunAsync(null); },
3330 <            () -> { f.thenRunAsync(() -> { ; }, null); },
3331 <            () -> { f.thenRunAsync(null, exec); },
3332 <
3333 <            () -> { f.thenCombine(g, null); },
3334 <            () -> { f.thenCombineAsync(g, null); },
3335 <            () -> { f.thenCombineAsync(g, null, exec); },
3336 <            () -> { f.thenCombine(nullFuture, (x, y) -> x); },
3337 <            () -> { f.thenCombineAsync(nullFuture, (x, y) -> x); },
3338 <            () -> { f.thenCombineAsync(nullFuture, (x, y) -> x, exec); },
3339 <            () -> { f.thenCombineAsync(g, (x, y) -> x, null); },
3340 <
3341 <            () -> { f.thenAcceptBoth(g, null); },
3342 <            () -> { f.thenAcceptBothAsync(g, null); },
3343 <            () -> { f.thenAcceptBothAsync(g, null, exec); },
3344 <            () -> { f.thenAcceptBoth(nullFuture, (x, y) -> {}); },
3345 <            () -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}); },
3346 <            () -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec); },
3347 <            () -> { f.thenAcceptBothAsync(g, (x, y) -> {}, null); },
3348 <
3349 <            () -> { f.runAfterBoth(g, null); },
3350 <            () -> { f.runAfterBothAsync(g, null); },
3351 <            () -> { f.runAfterBothAsync(g, null, exec); },
3352 <            () -> { f.runAfterBoth(nullFuture, () -> {}); },
3353 <            () -> { f.runAfterBothAsync(nullFuture, () -> {}); },
3354 <            () -> { f.runAfterBothAsync(nullFuture, () -> {}, exec); },
3355 <            () -> { f.runAfterBothAsync(g, () -> {}, null); },
3356 <
3357 <            () -> { f.applyToEither(g, null); },
3358 <            () -> { f.applyToEitherAsync(g, null); },
3359 <            () -> { f.applyToEitherAsync(g, null, exec); },
3360 <            () -> { f.applyToEither(nullFuture, (x) -> x); },
3361 <            () -> { f.applyToEitherAsync(nullFuture, (x) -> x); },
3362 <            () -> { f.applyToEitherAsync(nullFuture, (x) -> x, exec); },
3363 <            () -> { f.applyToEitherAsync(g, (x) -> x, null); },
3364 <
3365 <            () -> { f.acceptEither(g, null); },
3366 <            () -> { f.acceptEitherAsync(g, null); },
3367 <            () -> { f.acceptEitherAsync(g, null, exec); },
3368 <            () -> { f.acceptEither(nullFuture, (x) -> {}); },
3369 <            () -> { f.acceptEitherAsync(nullFuture, (x) -> {}); },
3370 <            () -> { f.acceptEitherAsync(nullFuture, (x) -> {}, exec); },
3371 <            () -> { f.acceptEitherAsync(g, (x) -> {}, null); },
3372 <
3373 <            () -> { f.runAfterEither(g, null); },
3374 <            () -> { f.runAfterEitherAsync(g, null); },
3375 <            () -> { f.runAfterEitherAsync(g, null, exec); },
3376 <            () -> { f.runAfterEither(nullFuture, () -> {}); },
3377 <            () -> { f.runAfterEitherAsync(nullFuture, () -> {}); },
3378 <            () -> { f.runAfterEitherAsync(nullFuture, () -> {}, exec); },
3379 <            () -> { f.runAfterEitherAsync(g, () -> {}, null); },
3380 <
3381 <            () -> { f.thenCompose(null); },
3382 <            () -> { f.thenComposeAsync(null); },
3383 <            () -> { f.thenComposeAsync(new CompletableFutureInc(), null); },
3384 <            () -> { f.thenComposeAsync(null, exec); },
3385 <
3386 <            () -> { f.exceptionally(null); },
3387 <
3388 <            () -> { f.handle(null); },
3389 <
3390 <            () -> { CompletableFuture.allOf((CompletableFuture<?>)null); },
3391 <            () -> { CompletableFuture.allOf((CompletableFuture<?>[])null); },
3392 <            () -> { CompletableFuture.allOf(f, null); },
3393 <            () -> { CompletableFuture.allOf(null, f); },
3394 <
3395 <            () -> { CompletableFuture.anyOf((CompletableFuture<?>)null); },
3396 <            () -> { CompletableFuture.anyOf((CompletableFuture<?>[])null); },
3397 <            () -> { CompletableFuture.anyOf(f, null); },
3398 <            () -> { CompletableFuture.anyOf(null, f); },
3308 >            () -> CompletableFuture.supplyAsync(null),
3309 >            () -> CompletableFuture.supplyAsync(null, exec),
3310 >            () -> CompletableFuture.supplyAsync(supplyOne, null),
3311 >
3312 >            () -> CompletableFuture.runAsync(null),
3313 >            () -> CompletableFuture.runAsync(null, exec),
3314 >            () -> CompletableFuture.runAsync(() -> {}, null),
3315 >
3316 >            () -> f.completeExceptionally(null),
3317 >
3318 >            () -> f.thenApply(null),
3319 >            () -> f.thenApplyAsync(null),
3320 >            () -> f.thenApplyAsync((x) -> x, null),
3321 >            () -> f.thenApplyAsync(null, exec),
3322 >
3323 >            () -> f.thenAccept(null),
3324 >            () -> f.thenAcceptAsync(null),
3325 >            () -> f.thenAcceptAsync((x) -> {} , null),
3326 >            () -> f.thenAcceptAsync(null, exec),
3327 >
3328 >            () -> f.thenRun(null),
3329 >            () -> f.thenRunAsync(null),
3330 >            () -> f.thenRunAsync(() -> {} , null),
3331 >            () -> f.thenRunAsync(null, exec),
3332 >
3333 >            () -> f.thenCombine(g, null),
3334 >            () -> f.thenCombineAsync(g, null),
3335 >            () -> f.thenCombineAsync(g, null, exec),
3336 >            () -> f.thenCombine(nullFuture, (x, y) -> x),
3337 >            () -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3338 >            () -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3339 >            () -> f.thenCombineAsync(g, (x, y) -> x, null),
3340 >
3341 >            () -> f.thenAcceptBoth(g, null),
3342 >            () -> f.thenAcceptBothAsync(g, null),
3343 >            () -> f.thenAcceptBothAsync(g, null, exec),
3344 >            () -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3345 >            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3346 >            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3347 >            () -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3348 >
3349 >            () -> f.runAfterBoth(g, null),
3350 >            () -> f.runAfterBothAsync(g, null),
3351 >            () -> f.runAfterBothAsync(g, null, exec),
3352 >            () -> f.runAfterBoth(nullFuture, () -> {}),
3353 >            () -> f.runAfterBothAsync(nullFuture, () -> {}),
3354 >            () -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3355 >            () -> f.runAfterBothAsync(g, () -> {}, null),
3356 >
3357 >            () -> f.applyToEither(g, null),
3358 >            () -> f.applyToEitherAsync(g, null),
3359 >            () -> f.applyToEitherAsync(g, null, exec),
3360 >            () -> f.applyToEither(nullFuture, (x) -> x),
3361 >            () -> f.applyToEitherAsync(nullFuture, (x) -> x),
3362 >            () -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3363 >            () -> f.applyToEitherAsync(g, (x) -> x, null),
3364 >
3365 >            () -> f.acceptEither(g, null),
3366 >            () -> f.acceptEitherAsync(g, null),
3367 >            () -> f.acceptEitherAsync(g, null, exec),
3368 >            () -> f.acceptEither(nullFuture, (x) -> {}),
3369 >            () -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3370 >            () -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3371 >            () -> f.acceptEitherAsync(g, (x) -> {}, null),
3372 >
3373 >            () -> f.runAfterEither(g, null),
3374 >            () -> f.runAfterEitherAsync(g, null),
3375 >            () -> f.runAfterEitherAsync(g, null, exec),
3376 >            () -> f.runAfterEither(nullFuture, () -> {}),
3377 >            () -> f.runAfterEitherAsync(nullFuture, () -> {}),
3378 >            () -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3379 >            () -> f.runAfterEitherAsync(g, () -> {}, null),
3380 >
3381 >            () -> f.thenCompose(null),
3382 >            () -> f.thenComposeAsync(null),
3383 >            () -> f.thenComposeAsync(new CompletableFutureInc(), null),
3384 >            () -> f.thenComposeAsync(null, exec),
3385 >
3386 >            () -> f.exceptionally(null),
3387 >
3388 >            () -> f.handle(null),
3389 >
3390 >            () -> CompletableFuture.allOf((CompletableFuture<?>)null),
3391 >            () -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3392 >            () -> CompletableFuture.allOf(f, null),
3393 >            () -> CompletableFuture.allOf(null, f),
3394 >
3395 >            () -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3396 >            () -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3397 >            () -> CompletableFuture.anyOf(f, null),
3398 >            () -> CompletableFuture.anyOf(null, f),
3399 >
3400 >            () -> f.obtrudeException(null),
3401          };
3402  
3403          assertThrows(NullPointerException.class, throwingActions);
3404          assertEquals(0, exec.count.get());
3405      }
3406  
3407 +    /**
3408 +     * toCompletableFuture returns this CompletableFuture.
3409 +     */
3410 +    public void testToCompletableFuture() {
3411 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3412 +        assertSame(f, f.toCompletableFuture());
3413 +    }
3414 +
3415 +    /**
3416 +     * whenComplete action executes on normal completion, propagating
3417 +     * source result.
3418 +     */
3419 +    public void testWhenComplete_normalCompletion1() {
3420 +        for (ExecutionMode m : ExecutionMode.values())
3421 +        for (Integer v1 : new Integer[] { 1, null }) {
3422 +
3423 +        final AtomicInteger a = new AtomicInteger();
3424 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3425 +        final CompletableFuture<Integer> g =
3426 +            m.whenComplete(f,
3427 +                           (Integer x, Throwable t) -> {
3428 +                               threadAssertSame(x, v1);
3429 +                               threadAssertNull(t);
3430 +                               a.getAndIncrement();
3431 +                           });
3432 +        f.complete(v1);
3433 +        checkCompletedNormally(f, v1);
3434 +        checkCompletedNormally(g, v1);
3435 +        assertEquals(a.get(), 1);
3436 +        }
3437 +    }
3438 +
3439 +    /**
3440 +     * whenComplete action executes on exceptional completion, propagating
3441 +     * source result.
3442 +     */
3443 +    public void testWhenComplete_exceptionalCompletion() {
3444 +        for (ExecutionMode m : ExecutionMode.values())
3445 +        for (Integer v1 : new Integer[] { 1, null }) {
3446 +
3447 +        final AtomicInteger a = new AtomicInteger();
3448 +        final CFException ex = new CFException();
3449 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3450 +        final CompletableFuture<Integer> g = m.whenComplete
3451 +            (f,
3452 +             (Integer x, Throwable t) -> {
3453 +                threadAssertNull(x);
3454 +                threadAssertSame(t, ex);
3455 +                a.getAndIncrement();
3456 +            });
3457 +        f.completeExceptionally(ex);
3458 +        checkCompletedWithWrappedCFException(f, ex);
3459 +        checkCompletedWithWrappedCFException(g, ex);
3460 +        assertEquals(a.get(), 1);
3461 +        }
3462 +    }
3463 +
3464 +    /**
3465 +     * If a whenComplete action throws an exception when triggered by
3466 +     * a normal completion, it completes exceptionally
3467 +     */
3468 +    public void testWhenComplete_actionFailed() {
3469 +        for (ExecutionMode m : ExecutionMode.values())
3470 +        for (Integer v1 : new Integer[] { 1, null }) {
3471 +
3472 +        final CFException ex = new CFException();
3473 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3474 +        final CompletableFuture<Integer> g = m.whenComplete
3475 +            (f,
3476 +             (Integer x, Throwable t) -> {
3477 +                threadAssertSame(x, v1);
3478 +                threadAssertNull(t);
3479 +                throw ex;
3480 +            });
3481 +        f.complete(v1);
3482 +        checkCompletedNormally(f, v1);
3483 +        checkCompletedWithWrappedCFException(g, ex);
3484 +        }
3485 +    }
3486 +
3487 +    /**
3488 +     * If a whenComplete action throws an exception when triggered by
3489 +     * a source completion that also throws an exception, the source
3490 +     * exception takes precedence.
3491 +     */
3492 +    public void testWhenComplete_actionFailedSourceFailed() {
3493 +        for (ExecutionMode m : ExecutionMode.values())
3494 +        for (Integer v1 : new Integer[] { 1, null }) {
3495 +
3496 +        final CFException ex1 = new CFException();
3497 +        final CFException ex2 = new CFException();
3498 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3499 +        final CompletableFuture<Integer> g = m.whenComplete
3500 +            (f,
3501 +             (Integer x, Throwable t) -> {
3502 +                threadAssertSame(t, ex1);
3503 +                threadAssertNull(x);
3504 +                throw ex2;
3505 +            });
3506 +        f.completeExceptionally(ex1);
3507 +        checkCompletedWithWrappedCFException(f, ex1);
3508 +        checkCompletedWithWrappedCFException(g, ex1);
3509 +        }
3510 +    }
3511 +
3512 +    /**
3513 +     * handleAsync action completes normally with function value on
3514 +     * either normal or exceptional completion of source
3515 +     */
3516 +    public void testHandleAsync() {
3517 +        CompletableFuture<Integer> f, g;
3518 +        IntegerHandler r;
3519 +
3520 +        f = new CompletableFuture<>();
3521 +        g = f.handleAsync(r = new IntegerHandler());
3522 +        assertFalse(r.ran);
3523 +        f.completeExceptionally(new CFException());
3524 +        checkCompletedWithWrappedCFException(f);
3525 +        checkCompletedNormally(g, three);
3526 +        assertTrue(r.ran);
3527 +
3528 +        f = new CompletableFuture<>();
3529 +        g = f.handleAsync(r = new IntegerHandler());
3530 +        assertFalse(r.ran);
3531 +        f.completeExceptionally(new CFException());
3532 +        checkCompletedWithWrappedCFException(f);
3533 +        checkCompletedNormally(g, three);
3534 +        assertTrue(r.ran);
3535 +
3536 +        f = new CompletableFuture<>();
3537 +        g = f.handleAsync(r = new IntegerHandler());
3538 +        assertFalse(r.ran);
3539 +        f.complete(one);
3540 +        checkCompletedNormally(f, one);
3541 +        checkCompletedNormally(g, two);
3542 +        assertTrue(r.ran);
3543 +
3544 +        f = new CompletableFuture<>();
3545 +        g = f.handleAsync(r = new IntegerHandler());
3546 +        assertFalse(r.ran);
3547 +        f.complete(one);
3548 +        checkCompletedNormally(f, one);
3549 +        checkCompletedNormally(g, two);
3550 +        assertTrue(r.ran);
3551 +    }
3552 +
3553 +    /**
3554 +     * handleAsync action with Executor completes normally with
3555 +     * function value on either normal or exceptional completion of
3556 +     * source
3557 +     */
3558 +    public void testHandleAsync2() {
3559 +        CompletableFuture<Integer> f, g;
3560 +        ThreadExecutor exec = new ThreadExecutor();
3561 +        IntegerHandler r;
3562 +
3563 +        f = new CompletableFuture<>();
3564 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3565 +        assertFalse(r.ran);
3566 +        f.completeExceptionally(new CFException());
3567 +        checkCompletedWithWrappedCFException(f);
3568 +        checkCompletedNormally(g, three);
3569 +        assertTrue(r.ran);
3570 +
3571 +        f = new CompletableFuture<>();
3572 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3573 +        assertFalse(r.ran);
3574 +        f.completeExceptionally(new CFException());
3575 +        checkCompletedWithWrappedCFException(f);
3576 +        checkCompletedNormally(g, three);
3577 +        assertTrue(r.ran);
3578 +
3579 +        f = new CompletableFuture<>();
3580 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3581 +        assertFalse(r.ran);
3582 +        f.complete(one);
3583 +        checkCompletedNormally(f, one);
3584 +        checkCompletedNormally(g, two);
3585 +        assertTrue(r.ran);
3586 +
3587 +        f = new CompletableFuture<>();
3588 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3589 +        assertFalse(r.ran);
3590 +        f.complete(one);
3591 +        checkCompletedNormally(f, one);
3592 +        checkCompletedNormally(g, two);
3593 +        assertTrue(r.ran);
3594 +    }
3595 +
3596   }

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