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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.32 by jsr166, Mon May 26 17:25:36 2014 UTC vs.
Revision 1.36 by jsr166, Sun Jun 1 23:12:45 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 102 | 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 286 | Line 318 | public class CompletableFutureTest exten
318  
319      // Choose non-commutative actions for better coverage
320  
321 +    // A non-commutative function that handles null values as well
322 +    public static int subtract(Integer x, Integer y) {
323 +        return ((x == null) ? 42 : x.intValue())
324 +            - ((y == null) ? 99 : y.intValue());
325 +    }
326 +
327      static final Supplier<Integer> supplyOne =
328          () -> Integer.valueOf(1);
329      static final Function<Integer, Integer> inc =
330          (Integer x) -> Integer.valueOf(x.intValue() + 1);
331      static final BiFunction<Integer, Integer, Integer> subtract =
332 <        (Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
332 >        (Integer x, Integer y) -> subtract(x, y);
333      static final class IncAction implements Consumer<Integer> {
334          int value;
335          public void accept(Integer x) { value = x.intValue() + 1; }
336      }
337      static final class SubtractAction implements BiConsumer<Integer, Integer> {
338 +        volatile int invocationCount = 0;
339          int value;
340 +        // Check this action was invoked exactly once when result is computed.
341 +        public boolean ran() { return invocationCount == 1; }
342          public void accept(Integer x, Integer y) {
343 <            value = x.intValue() - y.intValue();
343 >            invocationCount++;
344 >            value = subtract(x, y);
345 >        }
346 >    }
347 >    static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
348 >        volatile int invocationCount = 0;
349 >        int value;
350 >        // Check this action was invoked exactly once when result is computed.
351 >        public boolean ran() { return invocationCount == 1; }
352 >        public Integer apply(Integer x, Integer y) {
353 >            invocationCount++;
354 >            return subtract(x, y);
355          }
356      }
357      static final class Noop implements Runnable {
# Line 374 | Line 426 | public class CompletableFutureTest exten
426      }
427  
428      /**
429 +     * Permits the testing of parallel code for the 3 different
430 +     * execution modes without repeating all the testing code.
431 +     */
432 +    enum ExecutionMode {
433 +        DEFAULT {
434 +            public <T,U> CompletableFuture<Void> runAfterBoth
435 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
436 +                return f.runAfterBoth(g, a);
437 +            }
438 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
439 +                (CompletableFuture<T> f,
440 +                 CompletionStage<? extends U> g,
441 +                 BiConsumer<? super T,? super U> a) {
442 +                return f.thenAcceptBoth(g, a);
443 +            }
444 +            public <T,U,V> CompletableFuture<V> thenCombine
445 +                (CompletableFuture<T> f,
446 +                 CompletionStage<? extends U> g,
447 +                 BiFunction<? super T,? super U,? extends V> a) {
448 +                return f.thenCombine(g, a);
449 +            }
450 +        },
451 +
452 + //             /** Experimental way to do more testing */
453 + //         REVERSE_DEFAULT {
454 + //             public <T,U> CompletableFuture<Void> runAfterBoth
455 + //                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
456 + //                 return g.runAfterBoth(f, a);
457 + //             }
458 + //             public <T,U> CompletableFuture<Void> thenAcceptBoth
459 + //                 (CompletableFuture<T> f,
460 + //                  CompletionStage<? extends U> g,
461 + //                  BiConsumer<? super T,? super U> a) {
462 + //                 return DEFAULT.thenAcceptBoth(f, g, a);
463 + //             }
464 + //         },
465 +
466 +        DEFAULT_ASYNC {
467 +            public <T,U> CompletableFuture<Void> runAfterBoth
468 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
469 +                return f.runAfterBothAsync(g, a);
470 +            }
471 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
472 +                (CompletableFuture<T> f,
473 +                 CompletionStage<? extends U> g,
474 +                 BiConsumer<? super T,? super U> a) {
475 +                return f.thenAcceptBothAsync(g, a);
476 +            }
477 +            public <T,U,V> CompletableFuture<V> thenCombine
478 +                (CompletableFuture<T> f,
479 +                 CompletionStage<? extends U> g,
480 +                 BiFunction<? super T,? super U,? extends V> a) {
481 +                return f.thenCombineAsync(g, a);
482 +            }
483 +        },
484 +
485 + //         REVERSE_DEFAULT_ASYNC {
486 + //             public <T,U> CompletableFuture<Void> runAfterBoth
487 + //                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
488 + //                 return f.runAfterBothAsync(g, a);
489 + //             }
490 + //             public <T,U> CompletableFuture<Void> thenAcceptBoth
491 + //                 (CompletableFuture<T> f,
492 + //                  CompletionStage<? extends U> g,
493 + //                  BiConsumer<? super T,? super U> a) {
494 + //                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
495 + //             }
496 + //         },
497 +
498 +        EXECUTOR {
499 +            public <T,U> CompletableFuture<Void> runAfterBoth
500 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
501 +                return f.runAfterBothAsync(g, a, new ThreadExecutor());
502 +            }
503 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
504 +                (CompletableFuture<T> f,
505 +                 CompletionStage<? extends U> g,
506 +                 BiConsumer<? super T,? super U> a) {
507 +                return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
508 +            }
509 +            public <T,U,V> CompletableFuture<V> thenCombine
510 +                (CompletableFuture<T> f,
511 +                 CompletionStage<? extends U> g,
512 +                 BiFunction<? super T,? super U,? extends V> a) {
513 +                return f.thenCombineAsync(g, a, new ThreadExecutor());
514 +            }
515 +        };
516 +
517 +        public abstract <T,U> CompletableFuture<Void> runAfterBoth
518 +            (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
519 +        public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
520 +            (CompletableFuture<T> f,
521 +             CompletionStage<? extends U> g,
522 +             BiConsumer<? super T,? super U> a);
523 +        public abstract <T,U,V> CompletableFuture<V> thenCombine
524 +            (CompletableFuture<T> f,
525 +             CompletionStage<? extends U> g,
526 +             BiFunction<? super T,? super U,? extends V> a);
527 +    }
528 +
529 +    /**
530       * exceptionally action completes with function value on source
531       * exception; otherwise with source value
532       */
# Line 665 | Line 818 | public class CompletableFutureTest exten
818       * thenCombine result completes normally after normal completion
819       * of sources
820       */
821 <    public void testThenCombine() {
822 <        CompletableFuture<Integer> f, g, h;
821 >    public void testThenCombine_normalCompletion1() {
822 >        for (ExecutionMode m : ExecutionMode.values())
823 >        for (Integer v1 : new Integer[] { 1, null })
824 >        for (Integer v2 : new Integer[] { 2, null }) {
825 >
826 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
827 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
828 >        final SubtractFunction r = new SubtractFunction();
829 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
830 >
831 >        f.complete(v1);
832 >        checkIncomplete(h);
833 >        assertFalse(r.ran());
834 >        g.complete(v2);
835 >
836 >        checkCompletedNormally(h, subtract(v1, v2));
837 >        checkCompletedNormally(f, v1);
838 >        checkCompletedNormally(g, v2);
839 >        }
840 >    }
841  
842 <        f = new CompletableFuture<>();
843 <        g = new CompletableFuture<>();
844 <        h = f.thenCombine(g, subtract);
845 <        f.complete(3);
846 <        checkIncomplete(h);
847 <        g.complete(1);
848 <        checkCompletedNormally(h, 2);
842 >    public void testThenCombine_normalCompletion2() {
843 >        for (ExecutionMode m : ExecutionMode.values())
844 >        for (Integer v1 : new Integer[] { 1, null })
845 >        for (Integer v2 : new Integer[] { 2, null }) {
846 >
847 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
848 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
849 >        final SubtractFunction r = new SubtractFunction();
850 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
851 >
852 >        g.complete(v2);
853 >        checkIncomplete(h);
854 >        assertFalse(r.ran());
855 >        f.complete(v1);
856 >
857 >        checkCompletedNormally(h, subtract(v1, v2));
858 >        checkCompletedNormally(f, v1);
859 >        checkCompletedNormally(g, v2);
860 >        }
861 >    }
862  
863 <        f = new CompletableFuture<>();
864 <        g = new CompletableFuture<>();
865 <        h = f.thenCombine(g, subtract);
866 <        g.complete(1);
867 <        checkIncomplete(h);
868 <        f.complete(3);
869 <        checkCompletedNormally(h, 2);
863 >    public void testThenCombine_normalCompletion3() {
864 >        for (ExecutionMode m : ExecutionMode.values())
865 >        for (Integer v1 : new Integer[] { 1, null })
866 >        for (Integer v2 : new Integer[] { 2, null }) {
867 >
868 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
869 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
870 >        final SubtractFunction r = new SubtractFunction();
871 >
872 >        g.complete(v2);
873 >        f.complete(v1);
874 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
875 >
876 >        checkCompletedNormally(h, subtract(v1, v2));
877 >        checkCompletedNormally(f, v1);
878 >        checkCompletedNormally(g, v2);
879 >        }
880 >    }
881  
882 <        f = new CompletableFuture<>();
883 <        g = new CompletableFuture<>();
884 <        g.complete(1);
885 <        f.complete(3);
886 <        h = f.thenCombine(g, subtract);
887 <        checkCompletedNormally(h, 2);
882 >    public void testThenCombine_normalCompletion4() {
883 >        for (ExecutionMode m : ExecutionMode.values())
884 >        for (Integer v1 : new Integer[] { 1, null })
885 >        for (Integer v2 : new Integer[] { 2, null }) {
886 >
887 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
888 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
889 >        final SubtractFunction r = new SubtractFunction();
890 >
891 >        f.complete(v1);
892 >        g.complete(v2);
893 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
894 >
895 >        checkCompletedNormally(h, subtract(v1, v2));
896 >        checkCompletedNormally(f, v1);
897 >        checkCompletedNormally(g, v2);
898 >        }
899      }
900  
901      /**
902       * thenCombine result completes exceptionally after exceptional
903       * completion of either source
904       */
905 <    public void testThenCombine2() {
906 <        CompletableFuture<Integer> f, g, h;
907 <
908 <        f = new CompletableFuture<>();
909 <        g = new CompletableFuture<>();
910 <        h = f.thenCombine(g, subtract);
911 <        f.completeExceptionally(new CFException());
912 <        checkIncomplete(h);
913 <        g.complete(1);
914 <        checkCompletedWithWrappedCFException(h);
905 >    public void testThenCombine_exceptionalCompletion1() {
906 >        for (ExecutionMode m : ExecutionMode.values())
907 >        for (Integer v1 : new Integer[] { 1, null }) {
908 >
909 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
910 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
911 >        final SubtractFunction r = new SubtractFunction();
912 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
913 >        final CFException ex = new CFException();
914 >
915 >        f.completeExceptionally(ex);
916 >        checkIncomplete(h);
917 >        g.complete(v1);
918 >
919 >        checkCompletedWithWrappedCFException(h, ex);
920 >        checkCompletedWithWrappedCFException(f, ex);
921 >        assertFalse(r.ran());
922 >        checkCompletedNormally(g, v1);
923 >        }
924 >    }
925  
926 <        f = new CompletableFuture<>();
927 <        g = new CompletableFuture<>();
928 <        h = f.thenCombine(g, subtract);
929 <        g.completeExceptionally(new CFException());
930 <        checkIncomplete(h);
931 <        f.complete(3);
932 <        checkCompletedWithWrappedCFException(h);
926 >    public void testThenCombine_exceptionalCompletion2() {
927 >        for (ExecutionMode m : ExecutionMode.values())
928 >        for (Integer v1 : new Integer[] { 1, null }) {
929 >
930 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
931 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
932 >        final SubtractFunction r = new SubtractFunction();
933 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, subtract);
934 >        final CFException ex = new CFException();
935 >
936 >        g.completeExceptionally(ex);
937 >        checkIncomplete(h);
938 >        f.complete(v1);
939 >
940 >        checkCompletedWithWrappedCFException(h, ex);
941 >        checkCompletedWithWrappedCFException(g, ex);
942 >        assertFalse(r.ran());
943 >        checkCompletedNormally(f, v1);
944 >        }
945 >    }
946  
947 <        f = new CompletableFuture<>();
948 <        g = new CompletableFuture<>();
949 <        f.complete(3);
950 <        g.completeExceptionally(new CFException());
951 <        h = f.thenCombine(g, subtract);
952 <        checkCompletedWithWrappedCFException(h);
947 >    public void testThenCombine_exceptionalCompletion3() {
948 >        for (ExecutionMode m : ExecutionMode.values())
949 >        for (Integer v1 : new Integer[] { 1, null }) {
950 >
951 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
952 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
953 >        final SubtractFunction r = new SubtractFunction();
954 >        final CFException ex = new CFException();
955 >
956 >        g.completeExceptionally(ex);
957 >        f.complete(v1);
958 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
959 >
960 >        checkCompletedWithWrappedCFException(h, ex);
961 >        checkCompletedWithWrappedCFException(g, ex);
962 >        assertFalse(r.ran());
963 >        checkCompletedNormally(f, v1);
964 >        }
965 >    }
966  
967 <        f = new CompletableFuture<>();
968 <        g = new CompletableFuture<>();
969 <        f.completeExceptionally(new CFException());
970 <        g.complete(3);
971 <        h = f.thenCombine(g, subtract);
972 <        checkCompletedWithWrappedCFException(h);
967 >    public void testThenCombine_exceptionalCompletion4() {
968 >        for (ExecutionMode m : ExecutionMode.values())
969 >        for (Integer v1 : new Integer[] { 1, null }) {
970 >
971 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
972 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
973 >        final SubtractFunction r = new SubtractFunction();
974 >        final CFException ex = new CFException();
975 >
976 >        f.completeExceptionally(ex);
977 >        g.complete(v1);
978 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, subtract);
979 >
980 >        checkCompletedWithWrappedCFException(h, ex);
981 >        checkCompletedWithWrappedCFException(f, ex);
982 >        assertFalse(r.ran());
983 >        checkCompletedNormally(g, v1);
984 >        }
985      }
986  
987      /**
988       * thenCombine result completes exceptionally if action does
989       */
990 <    public void testThenCombine3() {
991 <        CompletableFuture<Integer> f = new CompletableFuture<>();
992 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
993 <        FailingBiFunction r = new FailingBiFunction();
994 <        CompletableFuture<Integer> g = f.thenCombine(f2, r);
995 <        f.complete(one);
996 <        checkIncomplete(g);
997 <        assertFalse(r.ran);
998 <        f2.complete(two);
999 <        checkCompletedWithWrappedCFException(g);
1000 <        assertTrue(r.ran);
990 >    public void testThenCombine_actionFailed1() {
991 >        for (ExecutionMode m : ExecutionMode.values())
992 >        for (Integer v1 : new Integer[] { 1, null })
993 >        for (Integer v2 : new Integer[] { 2, null }) {
994 >
995 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
996 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
997 >        final FailingBiFunction r = new FailingBiFunction();
998 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
999 >
1000 >        f.complete(v1);
1001 >        checkIncomplete(h);
1002 >        g.complete(v2);
1003 >
1004 >        checkCompletedWithWrappedCFException(h);
1005 >        checkCompletedNormally(f, v1);
1006 >        checkCompletedNormally(g, v2);
1007 >        }
1008 >    }
1009 >
1010 >    public void testThenCombine_actionFailed2() {
1011 >        for (ExecutionMode m : ExecutionMode.values())
1012 >        for (Integer v1 : new Integer[] { 1, null })
1013 >        for (Integer v2 : new Integer[] { 2, null }) {
1014 >
1015 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1016 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1017 >        final FailingBiFunction r = new FailingBiFunction();
1018 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1019 >
1020 >        g.complete(v2);
1021 >        checkIncomplete(h);
1022 >        f.complete(v1);
1023 >
1024 >        checkCompletedWithWrappedCFException(h);
1025 >        checkCompletedNormally(f, v1);
1026 >        checkCompletedNormally(g, v2);
1027 >        }
1028      }
1029  
1030      /**
1031       * thenCombine result completes exceptionally if either source cancelled
1032       */
1033 <    public void testThenCombine4() {
1034 <        CompletableFuture<Integer> f, g, h;
1033 >    public void testThenCombine_sourceCancelled1() {
1034 >        for (ExecutionMode m : ExecutionMode.values())
1035 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1036 >        for (Integer v1 : new Integer[] { 1, null }) {
1037 >
1038 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1039 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1040 >        final SubtractFunction r = new SubtractFunction();
1041 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1042  
1043 <        f = new CompletableFuture<>();
756 <        g = new CompletableFuture<>();
757 <        h = f.thenCombine(g, subtract);
758 <        assertTrue(f.cancel(true));
1043 >        assertTrue(f.cancel(mayInterruptIfRunning));
1044          checkIncomplete(h);
1045 <        g.complete(1);
1045 >        g.complete(v1);
1046 >
1047          checkCompletedWithWrappedCancellationException(h);
1048 +        checkCancelled(f);
1049 +        assertFalse(r.ran());
1050 +        checkCompletedNormally(g, v1);
1051 +        }
1052 +    }
1053  
1054 <        f = new CompletableFuture<>();
1055 <        g = new CompletableFuture<>();
1056 <        h = f.thenCombine(g, subtract);
1057 <        assertTrue(g.cancel(true));
1054 >    public void testThenCombine_sourceCancelled2() {
1055 >        for (ExecutionMode m : ExecutionMode.values())
1056 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1057 >        for (Integer v1 : new Integer[] { 1, null }) {
1058 >
1059 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1060 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1061 >        final SubtractFunction r = new SubtractFunction();
1062 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1063 >
1064 >        assertTrue(g.cancel(mayInterruptIfRunning));
1065          checkIncomplete(h);
1066 <        f.complete(3);
1066 >        f.complete(v1);
1067 >
1068          checkCompletedWithWrappedCancellationException(h);
1069 +        checkCancelled(g);
1070 +        assertFalse(r.ran());
1071 +        checkCompletedNormally(f, v1);
1072 +        }
1073 +    }
1074 +
1075 +    public void testThenCombine_sourceCancelled3() {
1076 +        for (ExecutionMode m : ExecutionMode.values())
1077 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1078 +        for (Integer v1 : new Integer[] { 1, null }) {
1079 +
1080 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1081 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1082 +        final SubtractFunction r = new SubtractFunction();
1083 +
1084 +        assertTrue(g.cancel(mayInterruptIfRunning));
1085 +        f.complete(v1);
1086 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1087 +
1088 +        checkCompletedWithWrappedCancellationException(h);
1089 +        checkCancelled(g);
1090 +        assertFalse(r.ran());
1091 +        checkCompletedNormally(f, v1);
1092 +        }
1093 +    }
1094 +
1095 +    public void testThenCombine_sourceCancelled4() {
1096 +        for (ExecutionMode m : ExecutionMode.values())
1097 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1098 +        for (Integer v1 : new Integer[] { 1, null }) {
1099 +
1100 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1101 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1102 +        final SubtractFunction r = new SubtractFunction();
1103 +
1104 +        assertTrue(f.cancel(mayInterruptIfRunning));
1105 +        g.complete(v1);
1106 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1107  
771        f = new CompletableFuture<>();
772        g = new CompletableFuture<>();
773        assertTrue(f.cancel(true));
774        assertTrue(g.cancel(true));
775        h = f.thenCombine(g, subtract);
1108          checkCompletedWithWrappedCancellationException(h);
1109 +        checkCancelled(f);
1110 +        assertFalse(r.ran());
1111 +        checkCompletedNormally(g, v1);
1112 +        }
1113      }
1114  
1115      /**
1116       * thenAcceptBoth result completes normally after normal
1117       * completion of sources
1118       */
1119 <    public void testThenAcceptBoth() {
1120 <        CompletableFuture<Integer> f, g;
1121 <        CompletableFuture<Void> h;
1122 <        SubtractAction r;
1119 >    public void testThenAcceptBoth_normalCompletion1() {
1120 >        for (ExecutionMode m : ExecutionMode.values())
1121 >        for (Integer v1 : new Integer[] { 1, null })
1122 >        for (Integer v2 : new Integer[] { 2, null }) {
1123 >
1124 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1125 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1126 >        final SubtractAction r = new SubtractAction();
1127 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1128  
1129 <        f = new CompletableFuture<>();
789 <        g = new CompletableFuture<>();
790 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
791 <        f.complete(3);
1129 >        f.complete(v1);
1130          checkIncomplete(h);
1131 <        g.complete(1);
1131 >        assertEquals(r.value, 0);
1132 >        g.complete(v2);
1133 >
1134          checkCompletedNormally(h, null);
1135 <        assertEquals(r.value, 2);
1135 >        assertEquals(r.value, subtract(v1, v2));
1136 >        checkCompletedNormally(f, v1);
1137 >        checkCompletedNormally(g, v2);
1138 >        }
1139 >    }
1140  
1141 <        f = new CompletableFuture<>();
1142 <        g = new CompletableFuture<>();
1143 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1144 <        g.complete(1);
1141 >    public void testThenAcceptBoth_normalCompletion2() {
1142 >        for (ExecutionMode m : ExecutionMode.values())
1143 >        for (Integer v1 : new Integer[] { 1, null })
1144 >        for (Integer v2 : new Integer[] { 2, null }) {
1145 >
1146 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1147 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1148 >        final SubtractAction r = new SubtractAction();
1149 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1150 >
1151 >        g.complete(v2);
1152          checkIncomplete(h);
1153 <        f.complete(3);
1153 >        assertEquals(r.value, 0);
1154 >        f.complete(v1);
1155 >
1156          checkCompletedNormally(h, null);
1157 <        assertEquals(r.value, 2);
1157 >        assertEquals(r.value, subtract(v1, v2));
1158 >        checkCompletedNormally(f, v1);
1159 >        checkCompletedNormally(g, v2);
1160 >        }
1161 >    }
1162 >
1163 >    public void testThenAcceptBoth_normalCompletion3() {
1164 >        for (ExecutionMode m : ExecutionMode.values())
1165 >        for (Integer v1 : new Integer[] { 1, null })
1166 >        for (Integer v2 : new Integer[] { 2, null }) {
1167 >
1168 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1169 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1170 >        final SubtractAction r = new SubtractAction();
1171 >
1172 >        g.complete(v2);
1173 >        f.complete(v1);
1174 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1175  
806        f = new CompletableFuture<>();
807        g = new CompletableFuture<>();
808        g.complete(1);
809        f.complete(3);
810        h = f.thenAcceptBoth(g, r = new SubtractAction());
1176          checkCompletedNormally(h, null);
1177 <        assertEquals(r.value, 2);
1177 >        assertEquals(r.value, subtract(v1, v2));
1178 >        checkCompletedNormally(f, v1);
1179 >        checkCompletedNormally(g, v2);
1180 >        }
1181 >    }
1182 >
1183 >    public void testThenAcceptBoth_normalCompletion4() {
1184 >        for (ExecutionMode m : ExecutionMode.values())
1185 >        for (Integer v1 : new Integer[] { 1, null })
1186 >        for (Integer v2 : new Integer[] { 2, null }) {
1187 >
1188 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1189 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1190 >        final SubtractAction r = new SubtractAction();
1191 >
1192 >        f.complete(v1);
1193 >        g.complete(v2);
1194 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1195 >
1196 >        checkCompletedNormally(h, null);
1197 >        assertEquals(r.value, subtract(v1, v2));
1198 >        checkCompletedNormally(f, v1);
1199 >        checkCompletedNormally(g, v2);
1200 >        }
1201      }
1202  
1203      /**
1204       * thenAcceptBoth result completes exceptionally after exceptional
1205       * completion of either source
1206       */
1207 <    public void testThenAcceptBoth2() {
1208 <        CompletableFuture<Integer> f, g;
1209 <        CompletableFuture<Void> h;
1210 <        SubtractAction r;
1211 <
1212 <        f = new CompletableFuture<>();
1213 <        g = new CompletableFuture<>();
1214 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1215 <        f.completeExceptionally(new CFException());
1216 <        checkIncomplete(h);
1217 <        g.complete(1);
1218 <        checkCompletedWithWrappedCFException(h);
1207 >    public void testThenAcceptBoth_exceptionalCompletion1() {
1208 >        for (ExecutionMode m : ExecutionMode.values())
1209 >        for (Integer v1 : new Integer[] { 1, null }) {
1210 >
1211 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1212 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1213 >        final SubtractAction r = new SubtractAction();
1214 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1215 >        final CFException ex = new CFException();
1216 >
1217 >        f.completeExceptionally(ex);
1218 >        checkIncomplete(h);
1219 >        g.complete(v1);
1220 >
1221 >        checkCompletedWithWrappedCFException(h, ex);
1222 >        checkCompletedWithWrappedCFException(f, ex);
1223 >        assertFalse(r.ran());
1224 >        checkCompletedNormally(g, v1);
1225 >        }
1226 >    }
1227  
1228 <        f = new CompletableFuture<>();
1229 <        g = new CompletableFuture<>();
1230 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1231 <        g.completeExceptionally(new CFException());
1232 <        checkIncomplete(h);
1233 <        f.complete(3);
1234 <        checkCompletedWithWrappedCFException(h);
1228 >    public void testThenAcceptBoth_exceptionalCompletion2() {
1229 >        for (ExecutionMode m : ExecutionMode.values())
1230 >        for (Integer v1 : new Integer[] { 1, null }) {
1231 >
1232 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1233 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1234 >        final SubtractAction r = new SubtractAction();
1235 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1236 >        final CFException ex = new CFException();
1237 >
1238 >        g.completeExceptionally(ex);
1239 >        checkIncomplete(h);
1240 >        f.complete(v1);
1241 >
1242 >        checkCompletedWithWrappedCFException(h, ex);
1243 >        checkCompletedWithWrappedCFException(g, ex);
1244 >        assertFalse(r.ran());
1245 >        checkCompletedNormally(f, v1);
1246 >        }
1247 >    }
1248  
1249 <        f = new CompletableFuture<>();
1250 <        g = new CompletableFuture<>();
1251 <        f.complete(3);
1252 <        g.completeExceptionally(new CFException());
1253 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1254 <        checkCompletedWithWrappedCFException(h);
1249 >    public void testThenAcceptBoth_exceptionalCompletion3() {
1250 >        for (ExecutionMode m : ExecutionMode.values())
1251 >        for (Integer v1 : new Integer[] { 1, null }) {
1252 >
1253 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1254 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1255 >        final SubtractAction r = new SubtractAction();
1256 >        final CFException ex = new CFException();
1257 >
1258 >        g.completeExceptionally(ex);
1259 >        f.complete(v1);
1260 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1261 >
1262 >        checkCompletedWithWrappedCFException(h, ex);
1263 >        checkCompletedWithWrappedCFException(g, ex);
1264 >        assertFalse(r.ran());
1265 >        checkCompletedNormally(f, v1);
1266 >        }
1267 >    }
1268  
1269 <        f = new CompletableFuture<>();
1270 <        g = new CompletableFuture<>();
1271 <        f.completeExceptionally(new CFException());
1272 <        g.complete(3);
1273 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1274 <        checkCompletedWithWrappedCFException(h);
1269 >    public void testThenAcceptBoth_exceptionalCompletion4() {
1270 >        for (ExecutionMode m : ExecutionMode.values())
1271 >        for (Integer v1 : new Integer[] { 1, null }) {
1272 >
1273 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1274 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1275 >        final SubtractAction r = new SubtractAction();
1276 >        final CFException ex = new CFException();
1277 >
1278 >        f.completeExceptionally(ex);
1279 >        g.complete(v1);
1280 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1281 >
1282 >        checkCompletedWithWrappedCFException(h, ex);
1283 >        checkCompletedWithWrappedCFException(f, ex);
1284 >        assertFalse(r.ran());
1285 >        checkCompletedNormally(g, v1);
1286 >        }
1287      }
1288  
1289      /**
1290       * thenAcceptBoth result completes exceptionally if action does
1291       */
1292 <    public void testThenAcceptBoth3() {
1293 <        CompletableFuture<Integer> f, g;
1294 <        CompletableFuture<Void> h;
1295 <        FailingBiConsumer r;
1292 >    public void testThenAcceptBoth_actionFailed1() {
1293 >        for (ExecutionMode m : ExecutionMode.values())
1294 >        for (Integer v1 : new Integer[] { 1, null })
1295 >        for (Integer v2 : new Integer[] { 2, null }) {
1296  
1297 <        f = new CompletableFuture<>();
1298 <        g = new CompletableFuture<>();
1299 <        h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1300 <        f.complete(3);
1297 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1298 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1299 >        final FailingBiConsumer r = new FailingBiConsumer();
1300 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1301 >
1302 >        f.complete(v1);
1303          checkIncomplete(h);
1304 <        g.complete(1);
1304 >        g.complete(v2);
1305 >
1306          checkCompletedWithWrappedCFException(h);
1307 +        checkCompletedNormally(f, v1);
1308 +        checkCompletedNormally(g, v2);
1309 +        }
1310 +    }
1311 +
1312 +    public void testThenAcceptBoth_actionFailed2() {
1313 +        for (ExecutionMode m : ExecutionMode.values())
1314 +        for (Integer v1 : new Integer[] { 1, null })
1315 +        for (Integer v2 : new Integer[] { 2, null }) {
1316 +
1317 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1318 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1319 +        final FailingBiConsumer r = new FailingBiConsumer();
1320 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1321 +
1322 +        g.complete(v2);
1323 +        checkIncomplete(h);
1324 +        f.complete(v1);
1325  
871        f = new CompletableFuture<>();
872        g = new CompletableFuture<>();
873        f.complete(3);
874        g.complete(1);
875        h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1326          checkCompletedWithWrappedCFException(h);
1327 +        checkCompletedNormally(f, v1);
1328 +        checkCompletedNormally(g, v2);
1329 +        }
1330      }
1331  
1332      /**
1333       * thenAcceptBoth result completes exceptionally if either source cancelled
1334       */
1335 <    public void testThenAcceptBoth4() {
1336 <        CompletableFuture<Integer> f, g;
1337 <        CompletableFuture<Void> h;
1338 <        SubtractAction r;
1335 >    public void testThenAcceptBoth_sourceCancelled1() {
1336 >        for (ExecutionMode m : ExecutionMode.values())
1337 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1338 >        for (Integer v1 : new Integer[] { 1, null }) {
1339 >
1340 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1341 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1342 >        final SubtractAction r = new SubtractAction();
1343 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1344  
1345 <        f = new CompletableFuture<>();
888 <        g = new CompletableFuture<>();
889 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
890 <        assertTrue(f.cancel(true));
1345 >        assertTrue(f.cancel(mayInterruptIfRunning));
1346          checkIncomplete(h);
1347 <        g.complete(1);
1347 >        g.complete(v1);
1348 >
1349          checkCompletedWithWrappedCancellationException(h);
1350 +        checkCancelled(f);
1351 +        assertFalse(r.ran());
1352 +        checkCompletedNormally(g, v1);
1353 +        }
1354 +    }
1355  
1356 <        f = new CompletableFuture<>();
1357 <        g = new CompletableFuture<>();
1358 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1359 <        assertTrue(g.cancel(true));
1356 >    public void testThenAcceptBoth_sourceCancelled2() {
1357 >        for (ExecutionMode m : ExecutionMode.values())
1358 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1359 >        for (Integer v1 : new Integer[] { 1, null }) {
1360 >
1361 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1362 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1363 >        final SubtractAction r = new SubtractAction();
1364 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1365 >
1366 >        assertTrue(g.cancel(mayInterruptIfRunning));
1367          checkIncomplete(h);
1368 <        f.complete(3);
901 <        checkCompletedWithWrappedCancellationException(h);
1368 >        f.complete(v1);
1369  
903        f = new CompletableFuture<>();
904        g = new CompletableFuture<>();
905        f.complete(3);
906        assertTrue(g.cancel(true));
907        h = f.thenAcceptBoth(g, r = new SubtractAction());
1370          checkCompletedWithWrappedCancellationException(h);
1371 +        checkCancelled(g);
1372 +        assertFalse(r.ran());
1373 +        checkCompletedNormally(f, v1);
1374 +        }
1375 +    }
1376 +
1377 +    public void testThenAcceptBoth_sourceCancelled3() {
1378 +        for (ExecutionMode m : ExecutionMode.values())
1379 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1380 +        for (Integer v1 : new Integer[] { 1, null }) {
1381 +
1382 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1383 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1384 +        final SubtractAction r = new SubtractAction();
1385 +
1386 +        assertTrue(g.cancel(mayInterruptIfRunning));
1387 +        f.complete(v1);
1388 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1389 +
1390 +        checkCompletedWithWrappedCancellationException(h);
1391 +        checkCancelled(g);
1392 +        assertFalse(r.ran());
1393 +        checkCompletedNormally(f, v1);
1394 +        }
1395 +    }
1396 +
1397 +    public void testThenAcceptBoth_sourceCancelled4() {
1398 +        for (ExecutionMode m : ExecutionMode.values())
1399 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1400 +        for (Integer v1 : new Integer[] { 1, null }) {
1401 +
1402 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1403 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1404 +        final SubtractAction r = new SubtractAction();
1405 +
1406 +        assertTrue(f.cancel(mayInterruptIfRunning));
1407 +        g.complete(v1);
1408 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1409  
910        f = new CompletableFuture<>();
911        g = new CompletableFuture<>();
912        assertTrue(f.cancel(true));
913        g.complete(3);
914        h = f.thenAcceptBoth(g, r = new SubtractAction());
1410          checkCompletedWithWrappedCancellationException(h);
1411 +        checkCancelled(f);
1412 +        assertFalse(r.ran());
1413 +        checkCompletedNormally(g, v1);
1414 +        }
1415      }
1416  
1417      /**
1418       * runAfterBoth result completes normally after normal
1419       * completion of sources
1420       */
1421 <    public void testRunAfterBoth() {
1422 <        CompletableFuture<Integer> f, g;
1423 <        CompletableFuture<Void> h;
1424 <        Noop r;
1421 >    public void testRunAfterBoth_normalCompletion1() {
1422 >        for (ExecutionMode m : ExecutionMode.values())
1423 >        for (Integer v1 : new Integer[] { 1, null })
1424 >        for (Integer v2 : new Integer[] { 2, null }) {
1425 >
1426 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1427 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1428 >        final Noop r = new Noop();
1429 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1430  
1431 <        f = new CompletableFuture<>();
928 <        g = new CompletableFuture<>();
929 <        h = f.runAfterBoth(g, r = new Noop());
930 <        f.complete(3);
1431 >        f.complete(v1);
1432          checkIncomplete(h);
1433 <        g.complete(1);
1433 >        assertFalse(r.ran);
1434 >        g.complete(v2);
1435 >
1436          checkCompletedNormally(h, null);
1437          assertTrue(r.ran);
1438 +        checkCompletedNormally(f, v1);
1439 +        checkCompletedNormally(g, v2);
1440 +        }
1441 +    }
1442  
1443 <        f = new CompletableFuture<>();
1444 <        g = new CompletableFuture<>();
1445 <        h = f.runAfterBoth(g, r = new Noop());
1446 <        g.complete(1);
1443 >    public void testRunAfterBoth_normalCompletion2() {
1444 >        for (ExecutionMode m : ExecutionMode.values())
1445 >        for (Integer v1 : new Integer[] { 1, null })
1446 >        for (Integer v2 : new Integer[] { 2, null }) {
1447 >
1448 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1449 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1450 >        final Noop r = new Noop();
1451 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1452 >
1453 >        g.complete(v2);
1454          checkIncomplete(h);
1455 <        f.complete(3);
1455 >        assertFalse(r.ran);
1456 >        f.complete(v1);
1457 >
1458          checkCompletedNormally(h, null);
1459          assertTrue(r.ran);
1460 +        checkCompletedNormally(f, v1);
1461 +        checkCompletedNormally(g, v2);
1462 +        }
1463 +    }
1464 +
1465 +    public void testRunAfterBoth_normalCompletion3() {
1466 +        for (ExecutionMode m : ExecutionMode.values())
1467 +        for (Integer v1 : new Integer[] { 1, null })
1468 +        for (Integer v2 : new Integer[] { 2, null }) {
1469 +
1470 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1471 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1472 +        final Noop r = new Noop();
1473 +
1474 +        g.complete(v2);
1475 +        f.complete(v1);
1476 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1477  
945        f = new CompletableFuture<>();
946        g = new CompletableFuture<>();
947        g.complete(1);
948        f.complete(3);
949        h = f.runAfterBoth(g, r = new Noop());
1478          checkCompletedNormally(h, null);
1479          assertTrue(r.ran);
1480 +        checkCompletedNormally(f, v1);
1481 +        checkCompletedNormally(g, v2);
1482 +        }
1483 +    }
1484 +
1485 +    public void testRunAfterBoth_normalCompletion4() {
1486 +        for (ExecutionMode m : ExecutionMode.values())
1487 +        for (Integer v1 : new Integer[] { 1, null })
1488 +        for (Integer v2 : new Integer[] { 2, null }) {
1489 +
1490 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1491 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1492 +        final Noop r = new Noop();
1493 +
1494 +        f.complete(v1);
1495 +        g.complete(v2);
1496 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1497 +
1498 +        checkCompletedNormally(h, null);
1499 +        assertTrue(r.ran);
1500 +        checkCompletedNormally(f, v1);
1501 +        checkCompletedNormally(g, v2);
1502 +        }
1503      }
1504  
1505      /**
1506       * runAfterBoth result completes exceptionally after exceptional
1507       * completion of either source
1508       */
1509 <    public void testRunAfterBoth2() {
1510 <        CompletableFuture<Integer> f, g;
1511 <        CompletableFuture<Void> h;
1512 <        Noop r;
1509 >    public void testRunAfterBoth_exceptionalCompletion1() {
1510 >        for (ExecutionMode m : ExecutionMode.values())
1511 >        for (Integer v1 : new Integer[] { 1, null }) {
1512 >
1513 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1514 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1515 >        final Noop r = new Noop();
1516 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1517 >        final CFException ex = new CFException();
1518  
1519 <        f = new CompletableFuture<>();
964 <        g = new CompletableFuture<>();
965 <        h = f.runAfterBoth(g, r = new Noop());
966 <        f.completeExceptionally(new CFException());
1519 >        f.completeExceptionally(ex);
1520          checkIncomplete(h);
1521 <        g.complete(1);
1522 <        checkCompletedWithWrappedCFException(h);
1521 >        g.complete(v1);
1522 >
1523 >        checkCompletedWithWrappedCFException(h, ex);
1524 >        checkCompletedWithWrappedCFException(f, ex);
1525          assertFalse(r.ran);
1526 +        checkCompletedNormally(g, v1);
1527 +        }
1528 +    }
1529  
1530 <        f = new CompletableFuture<>();
1531 <        g = new CompletableFuture<>();
1532 <        h = f.runAfterBoth(g, r = new Noop());
1533 <        g.completeExceptionally(new CFException());
1530 >    public void testRunAfterBoth_exceptionalCompletion2() {
1531 >        for (ExecutionMode m : ExecutionMode.values())
1532 >        for (Integer v1 : new Integer[] { 1, null }) {
1533 >
1534 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1535 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1536 >        final Noop r = new Noop();
1537 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1538 >        final CFException ex = new CFException();
1539 >
1540 >        g.completeExceptionally(ex);
1541          checkIncomplete(h);
1542 <        f.complete(3);
1543 <        checkCompletedWithWrappedCFException(h);
1542 >        f.complete(v1);
1543 >
1544 >        checkCompletedWithWrappedCFException(h, ex);
1545 >        checkCompletedWithWrappedCFException(g, ex);
1546          assertFalse(r.ran);
1547 +        checkCompletedNormally(f, v1);
1548 +        }
1549 +    }
1550  
1551 <        f = new CompletableFuture<>();
1552 <        g = new CompletableFuture<>();
1553 <        g.completeExceptionally(new CFException());
1554 <        f.complete(3);
1555 <        h = f.runAfterBoth(g, r = new Noop());
1556 <        checkCompletedWithWrappedCFException(h);
1551 >    public void testRunAfterBoth_exceptionalCompletion3() {
1552 >        for (ExecutionMode m : ExecutionMode.values())
1553 >        for (Integer v1 : new Integer[] { 1, null }) {
1554 >
1555 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1556 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1557 >        final Noop r = new Noop();
1558 >        final CFException ex = new CFException();
1559 >
1560 >        g.completeExceptionally(ex);
1561 >        f.complete(v1);
1562 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1563 >
1564 >        checkCompletedWithWrappedCFException(h, ex);
1565 >        checkCompletedWithWrappedCFException(g, ex);
1566          assertFalse(r.ran);
1567 +        checkCompletedNormally(f, v1);
1568 +        }
1569 +    }
1570  
1571 <        f = new CompletableFuture<>();
1572 <        g = new CompletableFuture<>();
1573 <        f.completeExceptionally(new CFException());
1574 <        g.complete(1);
1575 <        h = f.runAfterBoth(g, r = new Noop());
1576 <        checkCompletedWithWrappedCFException(h);
1571 >    public void testRunAfterBoth_exceptionalCompletion4() {
1572 >        for (ExecutionMode m : ExecutionMode.values())
1573 >        for (Integer v1 : new Integer[] { 1, null }) {
1574 >
1575 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1576 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1577 >        final Noop r = new Noop();
1578 >        final CFException ex = new CFException();
1579 >
1580 >        f.completeExceptionally(ex);
1581 >        g.complete(v1);
1582 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1583 >
1584 >        checkCompletedWithWrappedCFException(h, ex);
1585 >        checkCompletedWithWrappedCFException(f, ex);
1586          assertFalse(r.ran);
1587 +        checkCompletedNormally(g, v1);
1588 +        }
1589      }
1590  
1591      /**
1592       * runAfterBoth result completes exceptionally if action does
1593       */
1594 <    public void testRunAfterBoth3() {
1595 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1596 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1597 <        FailingNoop r = new FailingNoop();
1598 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1599 <        f.complete(one);
1600 <        checkIncomplete(g);
1601 <        f2.complete(two);
1602 <        checkCompletedWithWrappedCFException(g);
1594 >    public void testRunAfterBoth_actionFailed1() {
1595 >        for (ExecutionMode m : ExecutionMode.values())
1596 >        for (Integer v1 : new Integer[] { 1, null })
1597 >        for (Integer v2 : new Integer[] { 2, null }) {
1598 >
1599 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1600 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1601 >        final FailingNoop r = new FailingNoop();
1602 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1603 >
1604 >        f.complete(v1);
1605 >        checkIncomplete(h);
1606 >        g.complete(v2);
1607 >
1608 >        checkCompletedWithWrappedCFException(h);
1609 >        checkCompletedNormally(f, v1);
1610 >        checkCompletedNormally(g, v2);
1611 >        }
1612 >    }
1613 >
1614 >    public void testRunAfterBoth_actionFailed2() {
1615 >        for (ExecutionMode m : ExecutionMode.values())
1616 >        for (Integer v1 : new Integer[] { 1, null })
1617 >        for (Integer v2 : new Integer[] { 2, null }) {
1618 >
1619 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1620 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1621 >        final FailingNoop r = new FailingNoop();
1622 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1623 >
1624 >        g.complete(v2);
1625 >        checkIncomplete(h);
1626 >        f.complete(v1);
1627 >
1628 >        checkCompletedWithWrappedCFException(h);
1629 >        checkCompletedNormally(f, v1);
1630 >        checkCompletedNormally(g, v2);
1631 >        }
1632      }
1633  
1634      /**
1635       * runAfterBoth result completes exceptionally if either source cancelled
1636       */
1637 <    public void testRunAfterBoth4() {
1638 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1639 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1640 <        Noop r = new Noop();
1641 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1642 <        assertTrue(f.cancel(true));
1643 <        f2.complete(two);
1644 <        checkCompletedWithWrappedCancellationException(g);
1645 <        f = new CompletableFuture<>();
1646 <        f2 = new CompletableFuture<>();
1647 <        r = new Noop();
1648 <        g = f.runAfterBoth(f2, r);
1649 <        f.complete(one);
1650 <        assertTrue(f2.cancel(true));
1651 <        checkCompletedWithWrappedCancellationException(g);
1637 >    public void testRunAfterBoth_sourceCancelled1() {
1638 >        for (ExecutionMode m : ExecutionMode.values())
1639 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1640 >        for (Integer v1 : new Integer[] { 1, null }) {
1641 >
1642 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1643 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1644 >        final Noop r = new Noop();
1645 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1646 >
1647 >        assertTrue(f.cancel(mayInterruptIfRunning));
1648 >        checkIncomplete(h);
1649 >        g.complete(v1);
1650 >
1651 >        checkCompletedWithWrappedCancellationException(h);
1652 >        checkCancelled(f);
1653 >        assertFalse(r.ran);
1654 >        checkCompletedNormally(g, v1);
1655 >        }
1656 >    }
1657 >
1658 >    public void testRunAfterBoth_sourceCancelled2() {
1659 >        for (ExecutionMode m : ExecutionMode.values())
1660 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1661 >        for (Integer v1 : new Integer[] { 1, null }) {
1662 >
1663 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1664 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1665 >        final Noop r = new Noop();
1666 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1667 >
1668 >        assertTrue(g.cancel(mayInterruptIfRunning));
1669 >        checkIncomplete(h);
1670 >        f.complete(v1);
1671 >
1672 >        checkCompletedWithWrappedCancellationException(h);
1673 >        checkCancelled(g);
1674 >        assertFalse(r.ran);
1675 >        checkCompletedNormally(f, v1);
1676 >        }
1677 >    }
1678 >
1679 >    public void testRunAfterBoth_sourceCancelled3() {
1680 >        for (ExecutionMode m : ExecutionMode.values())
1681 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1682 >        for (Integer v1 : new Integer[] { 1, null }) {
1683 >
1684 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1685 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1686 >        final Noop r = new Noop();
1687 >
1688 >        assertTrue(g.cancel(mayInterruptIfRunning));
1689 >        f.complete(v1);
1690 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1691 >
1692 >        checkCompletedWithWrappedCancellationException(h);
1693 >        checkCancelled(g);
1694 >        assertFalse(r.ran);
1695 >        checkCompletedNormally(f, v1);
1696 >        }
1697 >    }
1698 >
1699 >    public void testRunAfterBoth_sourceCancelled4() {
1700 >        for (ExecutionMode m : ExecutionMode.values())
1701 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1702 >        for (Integer v1 : new Integer[] { 1, null }) {
1703 >
1704 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1705 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1706 >        final Noop r = new Noop();
1707 >
1708 >        assertTrue(f.cancel(mayInterruptIfRunning));
1709 >        g.complete(v1);
1710 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1711 >
1712 >        checkCompletedWithWrappedCancellationException(h);
1713 >        checkCancelled(f);
1714 >        assertFalse(r.ran);
1715 >        checkCompletedNormally(g, v1);
1716 >        }
1717      }
1718  
1719      /**
# Line 1464 | Line 2151 | public class CompletableFutureTest exten
2151      }
2152  
2153      /**
1467     * thenCombineAsync result completes normally after normal
1468     * completion of sources
1469     */
1470    public void testThenCombineAsync() {
1471        CompletableFuture<Integer> f, g, h;
1472
1473        f = new CompletableFuture<>();
1474        g = new CompletableFuture<>();
1475        h = f.thenCombineAsync(g, subtract);
1476        f.complete(3);
1477        checkIncomplete(h);
1478        g.complete(1);
1479        checkCompletedNormally(h, 2);
1480
1481        f = new CompletableFuture<>();
1482        g = new CompletableFuture<>();
1483        h = f.thenCombineAsync(g, subtract);
1484        g.complete(1);
1485        checkIncomplete(h);
1486        f.complete(3);
1487        checkCompletedNormally(h, 2);
1488
1489        f = new CompletableFuture<>();
1490        g = new CompletableFuture<>();
1491        g.complete(1);
1492        f.complete(3);
1493        h = f.thenCombineAsync(g, subtract);
1494        checkCompletedNormally(h, 2);
1495    }
1496
1497    /**
1498     * thenCombineAsync result completes exceptionally after exceptional
1499     * completion of either source
1500     */
1501    public void testThenCombineAsync2() {
1502        CompletableFuture<Integer> f, g, h;
1503
1504        f = new CompletableFuture<>();
1505        g = new CompletableFuture<>();
1506        h = f.thenCombineAsync(g, subtract);
1507        f.completeExceptionally(new CFException());
1508        checkIncomplete(h);
1509        g.complete(1);
1510        checkCompletedWithWrappedCFException(h);
1511
1512        f = new CompletableFuture<>();
1513        g = new CompletableFuture<>();
1514        h = f.thenCombineAsync(g, subtract);
1515        g.completeExceptionally(new CFException());
1516        checkIncomplete(h);
1517        f.complete(3);
1518        checkCompletedWithWrappedCFException(h);
1519
1520        f = new CompletableFuture<>();
1521        g = new CompletableFuture<>();
1522        g.completeExceptionally(new CFException());
1523        f.complete(3);
1524        h = f.thenCombineAsync(g, subtract);
1525        checkCompletedWithWrappedCFException(h);
1526    }
1527
1528    /**
1529     * thenCombineAsync result completes exceptionally if action does
1530     */
1531    public void testThenCombineAsync3() {
1532        CompletableFuture<Integer> f = new CompletableFuture<>();
1533        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1534        FailingBiFunction r = new FailingBiFunction();
1535        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1536        f.complete(one);
1537        checkIncomplete(g);
1538        assertFalse(r.ran);
1539        f2.complete(two);
1540        checkCompletedWithWrappedCFException(g);
1541        assertTrue(r.ran);
1542    }
1543
1544    /**
1545     * thenCombineAsync result completes exceptionally if either source cancelled
1546     */
1547    public void testThenCombineAsync4() {
1548        CompletableFuture<Integer> f, g, h;
1549
1550        f = new CompletableFuture<>();
1551        g = new CompletableFuture<>();
1552        h = f.thenCombineAsync(g, subtract);
1553        assertTrue(f.cancel(true));
1554        checkIncomplete(h);
1555        g.complete(1);
1556        checkCompletedWithWrappedCancellationException(h);
1557
1558        f = new CompletableFuture<>();
1559        g = new CompletableFuture<>();
1560        h = f.thenCombineAsync(g, subtract);
1561        assertTrue(g.cancel(true));
1562        checkIncomplete(h);
1563        f.complete(3);
1564        checkCompletedWithWrappedCancellationException(h);
1565
1566        f = new CompletableFuture<>();
1567        g = new CompletableFuture<>();
1568        g.complete(3);
1569        assertTrue(f.cancel(true));
1570        h = f.thenCombineAsync(g, subtract);
1571        checkCompletedWithWrappedCancellationException(h);
1572
1573        f = new CompletableFuture<>();
1574        g = new CompletableFuture<>();
1575        f.complete(3);
1576        assertTrue(g.cancel(true));
1577        h = f.thenCombineAsync(g, subtract);
1578        checkCompletedWithWrappedCancellationException(h);
1579    }
1580
1581    /**
1582     * thenAcceptBothAsync result completes normally after normal
1583     * completion of sources
1584     */
1585    public void testThenAcceptBothAsync() {
1586        CompletableFuture<Integer> f, g;
1587        CompletableFuture<Void> h;
1588        SubtractAction r;
1589
1590        f = new CompletableFuture<>();
1591        g = new CompletableFuture<>();
1592        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1593        f.complete(3);
1594        checkIncomplete(h);
1595        g.complete(1);
1596        checkCompletedNormally(h, null);
1597        assertEquals(r.value, 2);
1598
1599        f = new CompletableFuture<>();
1600        g = new CompletableFuture<>();
1601        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1602        g.complete(1);
1603        checkIncomplete(h);
1604        f.complete(3);
1605        checkCompletedNormally(h, null);
1606        assertEquals(r.value, 2);
1607
1608        f = new CompletableFuture<>();
1609        g = new CompletableFuture<>();
1610        g.complete(1);
1611        f.complete(3);
1612        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1613        checkCompletedNormally(h, null);
1614        assertEquals(r.value, 2);
1615    }
1616
1617    /**
1618     * thenAcceptBothAsync result completes exceptionally after exceptional
1619     * completion of source
1620     */
1621    public void testThenAcceptBothAsync2() {
1622        CompletableFuture<Integer> f, g;
1623        CompletableFuture<Void> h;
1624        SubtractAction r;
1625
1626        f = new CompletableFuture<>();
1627        g = new CompletableFuture<>();
1628        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1629        f.completeExceptionally(new CFException());
1630        checkIncomplete(h);
1631        g.complete(1);
1632        checkCompletedWithWrappedCFException(h);
1633
1634        f = new CompletableFuture<>();
1635        g = new CompletableFuture<>();
1636        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1637        g.completeExceptionally(new CFException());
1638        checkIncomplete(h);
1639        f.complete(3);
1640        checkCompletedWithWrappedCFException(h);
1641
1642        f = new CompletableFuture<>();
1643        g = new CompletableFuture<>();
1644        f.complete(3);
1645        g.completeExceptionally(new CFException());
1646        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1647        checkCompletedWithWrappedCFException(h);
1648
1649        f = new CompletableFuture<>();
1650        g = new CompletableFuture<>();
1651        f.completeExceptionally(new CFException());
1652        g.complete(3);
1653        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1654        checkCompletedWithWrappedCFException(h);
1655    }
1656
1657    /**
1658     * thenAcceptBothAsync result completes exceptionally if action does
1659     */
1660    public void testThenAcceptBothAsync3() {
1661        CompletableFuture<Integer> f, g;
1662        CompletableFuture<Void> h;
1663        FailingBiConsumer r;
1664
1665        f = new CompletableFuture<>();
1666        g = new CompletableFuture<>();
1667        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1668        f.complete(3);
1669        checkIncomplete(h);
1670        g.complete(1);
1671        checkCompletedWithWrappedCFException(h);
1672
1673        f = new CompletableFuture<>();
1674        g = new CompletableFuture<>();
1675        f.complete(3);
1676        g.complete(1);
1677        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1678        checkCompletedWithWrappedCFException(h);
1679    }
1680
1681    /**
1682     * thenAcceptBothAsync result completes exceptionally if either source cancelled
1683     */
1684    public void testThenAcceptBothAsync4() {
1685        CompletableFuture<Integer> f, g;
1686        CompletableFuture<Void> h;
1687        SubtractAction r;
1688
1689        f = new CompletableFuture<>();
1690        g = new CompletableFuture<>();
1691        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1692        assertTrue(f.cancel(true));
1693        checkIncomplete(h);
1694        g.complete(1);
1695        checkCompletedWithWrappedCancellationException(h);
1696
1697        f = new CompletableFuture<>();
1698        g = new CompletableFuture<>();
1699        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1700        assertTrue(g.cancel(true));
1701        checkIncomplete(h);
1702        f.complete(3);
1703        checkCompletedWithWrappedCancellationException(h);
1704
1705        f = new CompletableFuture<>();
1706        g = new CompletableFuture<>();
1707        f.complete(3);
1708        assertTrue(g.cancel(true));
1709        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1710        checkCompletedWithWrappedCancellationException(h);
1711
1712        f = new CompletableFuture<>();
1713        g = new CompletableFuture<>();
1714        assertTrue(f.cancel(true));
1715        g.complete(3);
1716        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1717        checkCompletedWithWrappedCancellationException(h);
1718    }
1719
1720    /**
1721     * runAfterBothAsync result completes normally after normal
1722     * completion of sources
1723     */
1724    public void testRunAfterBothAsync() {
1725        CompletableFuture<Integer> f = new CompletableFuture<>();
1726        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1727        Noop r = new Noop();
1728        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1729        f.complete(one);
1730        checkIncomplete(g);
1731        f2.complete(two);
1732        checkCompletedNormally(g, null);
1733        assertTrue(r.ran);
1734    }
1735
1736    /**
1737     * runAfterBothAsync result completes exceptionally after exceptional
1738     * completion of source
1739     */
1740    public void testRunAfterBothAsync2() {
1741        CompletableFuture<Integer> f = new CompletableFuture<>();
1742        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1743        Noop r = new Noop();
1744        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1745        f.completeExceptionally(new CFException());
1746        f2.complete(two);
1747        checkCompletedWithWrappedCFException(g);
1748
1749        r = new Noop();
1750        f = new CompletableFuture<>();
1751        f2 = new CompletableFuture<>();
1752        g = f.runAfterBothAsync(f2, r);
1753        f.complete(one);
1754        f2.completeExceptionally(new CFException());
1755        checkCompletedWithWrappedCFException(g);
1756    }
1757
1758    /**
1759     * runAfterBothAsync result completes exceptionally if action does
1760     */
1761    public void testRunAfterBothAsync3() {
1762        CompletableFuture<Integer> f = new CompletableFuture<>();
1763        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1764        FailingNoop r = new FailingNoop();
1765        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1766        f.complete(one);
1767        checkIncomplete(g);
1768        f2.complete(two);
1769        checkCompletedWithWrappedCFException(g);
1770    }
1771
1772    /**
1773     * runAfterBothAsync result completes exceptionally if either source cancelled
1774     */
1775    public void testRunAfterBothAsync4() {
1776        CompletableFuture<Integer> f = new CompletableFuture<>();
1777        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1778        Noop r = new Noop();
1779        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1780        assertTrue(f.cancel(true));
1781        f2.complete(two);
1782        checkCompletedWithWrappedCancellationException(g);
1783
1784        r = new Noop();
1785        f = new CompletableFuture<>();
1786        f2 = new CompletableFuture<>();
1787        g = f.runAfterBothAsync(f2, r);
1788        f.complete(one);
1789        assertTrue(f2.cancel(true));
1790        checkCompletedWithWrappedCancellationException(g);
1791    }
1792
1793    /**
2154       * applyToEitherAsync result completes normally after normal
2155       * completion of sources
2156       */
# Line 2229 | Line 2589 | public class CompletableFutureTest exten
2589          checkCompletedWithWrappedCancellationException(g);
2590      }
2591  
2232    /**
2233     * thenCombineAsync result completes normally after normal
2234     * completion of sources
2235     */
2236    public void testThenCombineAsyncE() {
2237        CompletableFuture<Integer> f, g, h;
2238        ThreadExecutor e = new ThreadExecutor();
2239        int count = 0;
2240
2241        f = new CompletableFuture<>();
2242        g = new CompletableFuture<>();
2243        h = f.thenCombineAsync(g, subtract, e);
2244        f.complete(3);
2245        checkIncomplete(h);
2246        g.complete(1);
2247        checkCompletedNormally(h, 2);
2248        assertEquals(++count, e.count.get());
2249
2250        f = new CompletableFuture<>();
2251        g = new CompletableFuture<>();
2252        h = f.thenCombineAsync(g, subtract, e);
2253        g.complete(1);
2254        checkIncomplete(h);
2255        f.complete(3);
2256        checkCompletedNormally(h, 2);
2257        assertEquals(++count, e.count.get());
2258
2259        f = new CompletableFuture<>();
2260        g = new CompletableFuture<>();
2261        g.complete(1);
2262        f.complete(3);
2263        h = f.thenCombineAsync(g, subtract, e);
2264        checkCompletedNormally(h, 2);
2265        assertEquals(++count, e.count.get());
2266    }
2267
2268    /**
2269     * thenCombineAsync result completes exceptionally after exceptional
2270     * completion of either source
2271     */
2272    public void testThenCombineAsync2E() {
2273        CompletableFuture<Integer> f, g, h;
2274        ThreadExecutor e = new ThreadExecutor();
2275        int count = 0;
2276
2277        f = new CompletableFuture<>();
2278        g = new CompletableFuture<>();
2279        h = f.thenCombineAsync(g, subtract, e);
2280        f.completeExceptionally(new CFException());
2281        checkIncomplete(h);
2282        g.complete(1);
2283        checkCompletedWithWrappedCFException(h);
2284
2285        f = new CompletableFuture<>();
2286        g = new CompletableFuture<>();
2287        h = f.thenCombineAsync(g, subtract, e);
2288        g.completeExceptionally(new CFException());
2289        checkIncomplete(h);
2290        f.complete(3);
2291        checkCompletedWithWrappedCFException(h);
2292
2293        f = new CompletableFuture<>();
2294        g = new CompletableFuture<>();
2295        g.completeExceptionally(new CFException());
2296        h = f.thenCombineAsync(g, subtract, e);
2297        checkIncomplete(h);
2298        f.complete(3);
2299        checkCompletedWithWrappedCFException(h);
2300
2301        assertEquals(0, e.count.get());
2302    }
2303
2304    /**
2305     * thenCombineAsync result completes exceptionally if action does
2306     */
2307    public void testThenCombineAsync3E() {
2308        CompletableFuture<Integer> f = new CompletableFuture<>();
2309        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2310        FailingBiFunction r = new FailingBiFunction();
2311        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2312        f.complete(one);
2313        checkIncomplete(g);
2314        assertFalse(r.ran);
2315        f2.complete(two);
2316        checkCompletedWithWrappedCFException(g);
2317        assertTrue(r.ran);
2318    }
2319
2320    /**
2321     * thenCombineAsync result completes exceptionally if either source cancelled
2322     */
2323    public void testThenCombineAsync4E() {
2324        CompletableFuture<Integer> f, g, h;
2325        ThreadExecutor e = new ThreadExecutor();
2326
2327        f = new CompletableFuture<>();
2328        g = new CompletableFuture<>();
2329        h = f.thenCombineAsync(g, subtract, e);
2330        assertTrue(f.cancel(true));
2331        checkIncomplete(h);
2332        g.complete(1);
2333        checkCompletedWithWrappedCancellationException(h);
2334
2335        f = new CompletableFuture<>();
2336        g = new CompletableFuture<>();
2337        h = f.thenCombineAsync(g, subtract, e);
2338        assertTrue(g.cancel(true));
2339        checkIncomplete(h);
2340        f.complete(3);
2341        checkCompletedWithWrappedCancellationException(h);
2342
2343        f = new CompletableFuture<>();
2344        g = new CompletableFuture<>();
2345        assertTrue(g.cancel(true));
2346        h = f.thenCombineAsync(g, subtract, e);
2347        checkIncomplete(h);
2348        f.complete(3);
2349        checkCompletedWithWrappedCancellationException(h);
2350
2351        f = new CompletableFuture<>();
2352        g = new CompletableFuture<>();
2353        assertTrue(f.cancel(true));
2354        assertTrue(g.cancel(true));
2355        h = f.thenCombineAsync(g, subtract, e);
2356        checkCompletedWithWrappedCancellationException(h);
2357
2358        assertEquals(0, e.count.get());
2359    }
2360
2361    /**
2362     * thenAcceptBothAsync result completes normally after normal
2363     * completion of sources
2364     */
2365    public void testThenAcceptBothAsyncE() {
2366        CompletableFuture<Integer> f, g;
2367        CompletableFuture<Void> h;
2368        SubtractAction r;
2369        ThreadExecutor e = new ThreadExecutor();
2370
2371        f = new CompletableFuture<>();
2372        g = new CompletableFuture<>();
2373        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2374        f.complete(3);
2375        checkIncomplete(h);
2376        g.complete(1);
2377        checkCompletedNormally(h, null);
2378        assertEquals(r.value, 2);
2379
2380        f = new CompletableFuture<>();
2381        g = new CompletableFuture<>();
2382        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2383        g.complete(1);
2384        checkIncomplete(h);
2385        f.complete(3);
2386        checkCompletedNormally(h, null);
2387        assertEquals(r.value, 2);
2388
2389        f = new CompletableFuture<>();
2390        g = new CompletableFuture<>();
2391        g.complete(1);
2392        f.complete(3);
2393        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2394        checkCompletedNormally(h, null);
2395        assertEquals(r.value, 2);
2396
2397        assertEquals(3, e.count.get());
2398    }
2399
2400    /**
2401     * thenAcceptBothAsync result completes exceptionally after exceptional
2402     * completion of source
2403     */
2404    public void testThenAcceptBothAsync2E() {
2405        CompletableFuture<Integer> f, g;
2406        CompletableFuture<Void> h;
2407        SubtractAction r;
2408        ThreadExecutor e = new ThreadExecutor();
2409
2410        f = new CompletableFuture<>();
2411        g = new CompletableFuture<>();
2412        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2413        f.completeExceptionally(new CFException());
2414        checkIncomplete(h);
2415        g.complete(1);
2416        checkCompletedWithWrappedCFException(h);
2417
2418        f = new CompletableFuture<>();
2419        g = new CompletableFuture<>();
2420        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2421        g.completeExceptionally(new CFException());
2422        checkIncomplete(h);
2423        f.complete(3);
2424        checkCompletedWithWrappedCFException(h);
2425
2426        f = new CompletableFuture<>();
2427        g = new CompletableFuture<>();
2428        f.complete(3);
2429        g.completeExceptionally(new CFException());
2430        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2431        checkCompletedWithWrappedCFException(h);
2432
2433        f = new CompletableFuture<>();
2434        g = new CompletableFuture<>();
2435        f.completeExceptionally(new CFException());
2436        g.complete(3);
2437        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2438        checkCompletedWithWrappedCFException(h);
2439
2440        assertEquals(0, e.count.get());
2441    }
2442
2443    /**
2444     * thenAcceptBothAsync result completes exceptionally if action does
2445     */
2446    public void testThenAcceptBothAsync3E() {
2447        CompletableFuture<Integer> f, g;
2448        CompletableFuture<Void> h;
2449        FailingBiConsumer r;
2450        ThreadExecutor e = new ThreadExecutor();
2451
2452        f = new CompletableFuture<>();
2453        g = new CompletableFuture<>();
2454        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2455        f.complete(3);
2456        checkIncomplete(h);
2457        g.complete(1);
2458        checkCompletedWithWrappedCFException(h);
2459
2460        f = new CompletableFuture<>();
2461        g = new CompletableFuture<>();
2462        f.complete(3);
2463        g.complete(1);
2464        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2465        checkCompletedWithWrappedCFException(h);
2466
2467        assertEquals(2, e.count.get());
2468    }
2469
2470    /**
2471     * thenAcceptBothAsync result completes exceptionally if either source cancelled
2472     */
2473    public void testThenAcceptBothAsync4E() {
2474        CompletableFuture<Integer> f, g;
2475        CompletableFuture<Void> h;
2476        SubtractAction r;
2477        ThreadExecutor e = new ThreadExecutor();
2478
2479        f = new CompletableFuture<>();
2480        g = new CompletableFuture<>();
2481        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2482        assertTrue(f.cancel(true));
2483        checkIncomplete(h);
2484        g.complete(1);
2485        checkCompletedWithWrappedCancellationException(h);
2486
2487        f = new CompletableFuture<>();
2488        g = new CompletableFuture<>();
2489        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2490        assertTrue(g.cancel(true));
2491        checkIncomplete(h);
2492        f.complete(3);
2493        checkCompletedWithWrappedCancellationException(h);
2494
2495        f = new CompletableFuture<>();
2496        g = new CompletableFuture<>();
2497        f.complete(3);
2498        assertTrue(g.cancel(true));
2499        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2500        checkCompletedWithWrappedCancellationException(h);
2501
2502        f = new CompletableFuture<>();
2503        g = new CompletableFuture<>();
2504        assertTrue(f.cancel(true));
2505        g.complete(3);
2506        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2507        checkCompletedWithWrappedCancellationException(h);
2508
2509        assertEquals(0, e.count.get());
2510    }
2511
2512    /**
2513     * runAfterBothAsync result completes normally after normal
2514     * completion of sources
2515     */
2516    public void testRunAfterBothAsyncE() {
2517        CompletableFuture<Integer> f = new CompletableFuture<>();
2518        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2519        Noop r = new Noop();
2520        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2521        f.complete(one);
2522        checkIncomplete(g);
2523        f2.complete(two);
2524        checkCompletedNormally(g, null);
2525        assertTrue(r.ran);
2526    }
2527
2528    /**
2529     * runAfterBothAsync result completes exceptionally after exceptional
2530     * completion of source
2531     */
2532    public void testRunAfterBothAsync2E() {
2533        CompletableFuture<Integer> f = new CompletableFuture<>();
2534        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2535        Noop r = new Noop();
2536        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2537        f.completeExceptionally(new CFException());
2538        f2.complete(two);
2539        checkCompletedWithWrappedCFException(g);
2540
2541        r = new Noop();
2542        f = new CompletableFuture<>();
2543        f2 = new CompletableFuture<>();
2544        g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2545        f.complete(one);
2546        f2.completeExceptionally(new CFException());
2547        checkCompletedWithWrappedCFException(g);
2548    }
2549
2550    /**
2551     * runAfterBothAsync result completes exceptionally if action does
2552     */
2553    public void testRunAfterBothAsync3E() {
2554        CompletableFuture<Integer> f = new CompletableFuture<>();
2555        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2556        FailingNoop r = new FailingNoop();
2557        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2558        f.complete(one);
2559        checkIncomplete(g);
2560        f2.complete(two);
2561        checkCompletedWithWrappedCFException(g);
2562    }
2563
2564    /**
2565     * runAfterBothAsync result completes exceptionally if either source cancelled
2566     */
2567    public void testRunAfterBothAsync4E() {
2568        CompletableFuture<Integer> f = new CompletableFuture<>();
2569        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2570        Noop r = new Noop();
2571        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2572        assertTrue(f.cancel(true));
2573        f2.complete(two);
2574        checkCompletedWithWrappedCancellationException(g);
2575
2576        r = new Noop();
2577        f = new CompletableFuture<>();
2578        f2 = new CompletableFuture<>();
2579        g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2580        f.complete(one);
2581        assertTrue(f2.cancel(true));
2582        checkCompletedWithWrappedCancellationException(g);
2583    }
2584
2592      /**
2593       * applyToEitherAsync result completes normally after normal
2594       * completion of sources

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