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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.28 by jsr166, Sun Jul 14 16:34:49 2013 UTC vs.
Revision 1.37 by jsr166, Sun Jun 1 23:20:19 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 +    // and produces null values occasionally.
323 +    public static Integer subtract(Integer x, Integer y) {
324 +        return (x == null && y == null) ? null :
325 +            ((x == null) ? 42 : x.intValue())
326 +            - ((y == null) ? 99 : y.intValue());
327 +    }
328 +
329      static final Supplier<Integer> supplyOne =
330          () -> Integer.valueOf(1);
331      static final Function<Integer, Integer> inc =
332          (Integer x) -> Integer.valueOf(x.intValue() + 1);
333      static final BiFunction<Integer, Integer, Integer> subtract =
334 <        (Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
334 >        (Integer x, Integer y) -> subtract(x, y);
335      static final class IncAction implements Consumer<Integer> {
336          int value;
337          public void accept(Integer x) { value = x.intValue() + 1; }
338      }
339      static final class SubtractAction implements BiConsumer<Integer, Integer> {
340 <        int value;
340 >        int invocationCount = 0;
341 >        Integer value;
342 >        // Check this action was invoked exactly once when result is computed.
343 >        public boolean ran() { return invocationCount == 1; }
344          public void accept(Integer x, Integer y) {
345 <            value = x.intValue() - y.intValue();
345 >            invocationCount++;
346 >            value = subtract(x, y);
347 >        }
348 >    }
349 >    static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
350 >        int invocationCount = 0;
351 >        Integer value;
352 >        // Check this action was invoked exactly once when result is computed.
353 >        public boolean ran() { return invocationCount == 1; }
354 >        public Integer apply(Integer x, Integer y) {
355 >            invocationCount++;
356 >            return value = subtract(x, y);
357          }
358      }
359      static final class Noop implements Runnable {
# Line 374 | Line 428 | public class CompletableFutureTest exten
428      }
429  
430      /**
431 +     * Permits the testing of parallel code for the 3 different
432 +     * execution modes without repeating all the testing code.
433 +     */
434 +    enum ExecutionMode {
435 +        DEFAULT {
436 +            public <T,U> CompletableFuture<Void> runAfterBoth
437 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
438 +                return f.runAfterBoth(g, a);
439 +            }
440 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
441 +                (CompletableFuture<T> f,
442 +                 CompletionStage<? extends U> g,
443 +                 BiConsumer<? super T,? super U> a) {
444 +                return f.thenAcceptBoth(g, a);
445 +            }
446 +            public <T,U,V> CompletableFuture<V> thenCombine
447 +                (CompletableFuture<T> f,
448 +                 CompletionStage<? extends U> g,
449 +                 BiFunction<? super T,? super U,? extends V> a) {
450 +                return f.thenCombine(g, a);
451 +            }
452 +        },
453 +
454 + //             /** Experimental way to do more testing */
455 + //         REVERSE_DEFAULT {
456 + //             public <T,U> CompletableFuture<Void> runAfterBoth
457 + //                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
458 + //                 return g.runAfterBoth(f, a);
459 + //             }
460 + //             public <T,U> CompletableFuture<Void> thenAcceptBoth
461 + //                 (CompletableFuture<T> f,
462 + //                  CompletionStage<? extends U> g,
463 + //                  BiConsumer<? super T,? super U> a) {
464 + //                 return DEFAULT.thenAcceptBoth(f, g, a);
465 + //             }
466 + //         },
467 +
468 +        DEFAULT_ASYNC {
469 +            public <T,U> CompletableFuture<Void> runAfterBoth
470 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
471 +                return f.runAfterBothAsync(g, a);
472 +            }
473 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
474 +                (CompletableFuture<T> f,
475 +                 CompletionStage<? extends U> g,
476 +                 BiConsumer<? super T,? super U> a) {
477 +                return f.thenAcceptBothAsync(g, a);
478 +            }
479 +            public <T,U,V> CompletableFuture<V> thenCombine
480 +                (CompletableFuture<T> f,
481 +                 CompletionStage<? extends U> g,
482 +                 BiFunction<? super T,? super U,? extends V> a) {
483 +                return f.thenCombineAsync(g, a);
484 +            }
485 +        },
486 +
487 + //         REVERSE_DEFAULT_ASYNC {
488 + //             public <T,U> CompletableFuture<Void> runAfterBoth
489 + //                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
490 + //                 return f.runAfterBothAsync(g, a);
491 + //             }
492 + //             public <T,U> CompletableFuture<Void> thenAcceptBoth
493 + //                 (CompletableFuture<T> f,
494 + //                  CompletionStage<? extends U> g,
495 + //                  BiConsumer<? super T,? super U> a) {
496 + //                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
497 + //             }
498 + //         },
499 +
500 +        EXECUTOR {
501 +            public <T,U> CompletableFuture<Void> runAfterBoth
502 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
503 +                return f.runAfterBothAsync(g, a, new ThreadExecutor());
504 +            }
505 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
506 +                (CompletableFuture<T> f,
507 +                 CompletionStage<? extends U> g,
508 +                 BiConsumer<? super T,? super U> a) {
509 +                return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
510 +            }
511 +            public <T,U,V> CompletableFuture<V> thenCombine
512 +                (CompletableFuture<T> f,
513 +                 CompletionStage<? extends U> g,
514 +                 BiFunction<? super T,? super U,? extends V> a) {
515 +                return f.thenCombineAsync(g, a, new ThreadExecutor());
516 +            }
517 +        };
518 +
519 +        public abstract <T,U> CompletableFuture<Void> runAfterBoth
520 +            (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
521 +        public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
522 +            (CompletableFuture<T> f,
523 +             CompletionStage<? extends U> g,
524 +             BiConsumer<? super T,? super U> a);
525 +        public abstract <T,U,V> CompletableFuture<V> thenCombine
526 +            (CompletableFuture<T> f,
527 +             CompletionStage<? extends U> g,
528 +             BiFunction<? super T,? super U,? extends V> a);
529 +    }
530 +
531 +    /**
532       * exceptionally action completes with function value on source
533 <     * exception;  otherwise with source value
533 >     * exception; otherwise with source value
534       */
535      public void testExceptionally() {
536          CompletableFuture<Integer> f = new CompletableFuture<>();
# Line 665 | Line 820 | public class CompletableFutureTest exten
820       * thenCombine result completes normally after normal completion
821       * of sources
822       */
823 <    public void testThenCombine() {
824 <        CompletableFuture<Integer> f, g, h;
823 >    public void testThenCombine_normalCompletion1() {
824 >        for (ExecutionMode m : ExecutionMode.values())
825 >        for (Integer v1 : new Integer[] { 1, null })
826 >        for (Integer v2 : new Integer[] { 2, null }) {
827 >
828 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
829 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
830 >        final SubtractFunction r = new SubtractFunction();
831 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
832 >
833 >        f.complete(v1);
834 >        checkIncomplete(h);
835 >        assertFalse(r.ran());
836 >        g.complete(v2);
837 >
838 >        checkCompletedNormally(h, subtract(v1, v2));
839 >        checkCompletedNormally(f, v1);
840 >        checkCompletedNormally(g, v2);
841 >        }
842 >    }
843  
844 <        f = new CompletableFuture<>();
845 <        g = new CompletableFuture<>();
846 <        h = f.thenCombine(g, subtract);
847 <        f.complete(3);
848 <        checkIncomplete(h);
849 <        g.complete(1);
850 <        checkCompletedNormally(h, 2);
844 >    public void testThenCombine_normalCompletion2() {
845 >        for (ExecutionMode m : ExecutionMode.values())
846 >        for (Integer v1 : new Integer[] { 1, null })
847 >        for (Integer v2 : new Integer[] { 2, null }) {
848 >
849 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
850 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
851 >        final SubtractFunction r = new SubtractFunction();
852 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
853 >
854 >        g.complete(v2);
855 >        checkIncomplete(h);
856 >        assertFalse(r.ran());
857 >        f.complete(v1);
858 >
859 >        checkCompletedNormally(h, subtract(v1, v2));
860 >        checkCompletedNormally(f, v1);
861 >        checkCompletedNormally(g, v2);
862 >        }
863 >    }
864  
865 <        f = new CompletableFuture<>();
866 <        g = new CompletableFuture<>();
867 <        h = f.thenCombine(g, subtract);
868 <        g.complete(1);
869 <        checkIncomplete(h);
870 <        f.complete(3);
871 <        checkCompletedNormally(h, 2);
865 >    public void testThenCombine_normalCompletion3() {
866 >        for (ExecutionMode m : ExecutionMode.values())
867 >        for (Integer v1 : new Integer[] { 1, null })
868 >        for (Integer v2 : new Integer[] { 2, null }) {
869 >
870 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
871 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
872 >        final SubtractFunction r = new SubtractFunction();
873 >
874 >        g.complete(v2);
875 >        f.complete(v1);
876 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
877 >
878 >        checkCompletedNormally(h, subtract(v1, v2));
879 >        checkCompletedNormally(f, v1);
880 >        checkCompletedNormally(g, v2);
881 >        }
882 >    }
883  
884 <        f = new CompletableFuture<>();
885 <        g = new CompletableFuture<>();
886 <        g.complete(1);
887 <        f.complete(3);
888 <        h = f.thenCombine(g, subtract);
889 <        checkCompletedNormally(h, 2);
884 >    public void testThenCombine_normalCompletion4() {
885 >        for (ExecutionMode m : ExecutionMode.values())
886 >        for (Integer v1 : new Integer[] { 1, null })
887 >        for (Integer v2 : new Integer[] { 2, null }) {
888 >
889 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
890 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
891 >        final SubtractFunction r = new SubtractFunction();
892 >
893 >        f.complete(v1);
894 >        g.complete(v2);
895 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
896 >
897 >        checkCompletedNormally(h, subtract(v1, v2));
898 >        checkCompletedNormally(f, v1);
899 >        checkCompletedNormally(g, v2);
900 >        }
901      }
902  
903      /**
904       * thenCombine result completes exceptionally after exceptional
905       * completion of either source
906       */
907 <    public void testThenCombine2() {
908 <        CompletableFuture<Integer> f, g, h;
909 <
910 <        f = new CompletableFuture<>();
911 <        g = new CompletableFuture<>();
912 <        h = f.thenCombine(g, subtract);
913 <        f.completeExceptionally(new CFException());
914 <        checkIncomplete(h);
915 <        g.complete(1);
916 <        checkCompletedWithWrappedCFException(h);
907 >    public void testThenCombine_exceptionalCompletion1() {
908 >        for (ExecutionMode m : ExecutionMode.values())
909 >        for (Integer v1 : new Integer[] { 1, null }) {
910 >
911 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
912 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
913 >        final SubtractFunction r = new SubtractFunction();
914 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
915 >        final CFException ex = new CFException();
916 >
917 >        f.completeExceptionally(ex);
918 >        checkIncomplete(h);
919 >        g.complete(v1);
920 >
921 >        checkCompletedWithWrappedCFException(h, ex);
922 >        checkCompletedWithWrappedCFException(f, ex);
923 >        assertFalse(r.ran());
924 >        checkCompletedNormally(g, v1);
925 >        }
926 >    }
927  
928 <        f = new CompletableFuture<>();
929 <        g = new CompletableFuture<>();
930 <        h = f.thenCombine(g, subtract);
931 <        g.completeExceptionally(new CFException());
932 <        checkIncomplete(h);
933 <        f.complete(3);
934 <        checkCompletedWithWrappedCFException(h);
928 >    public void testThenCombine_exceptionalCompletion2() {
929 >        for (ExecutionMode m : ExecutionMode.values())
930 >        for (Integer v1 : new Integer[] { 1, null }) {
931 >
932 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
933 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
934 >        final SubtractFunction r = new SubtractFunction();
935 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
936 >        final CFException ex = new CFException();
937 >
938 >        g.completeExceptionally(ex);
939 >        checkIncomplete(h);
940 >        f.complete(v1);
941 >
942 >        checkCompletedWithWrappedCFException(h, ex);
943 >        checkCompletedWithWrappedCFException(g, ex);
944 >        assertFalse(r.ran());
945 >        checkCompletedNormally(f, v1);
946 >        }
947 >    }
948  
949 <        f = new CompletableFuture<>();
950 <        g = new CompletableFuture<>();
951 <        f.complete(3);
952 <        g.completeExceptionally(new CFException());
953 <        h = f.thenCombine(g, subtract);
954 <        checkCompletedWithWrappedCFException(h);
949 >    public void testThenCombine_exceptionalCompletion3() {
950 >        for (ExecutionMode m : ExecutionMode.values())
951 >        for (Integer v1 : new Integer[] { 1, null }) {
952 >
953 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
954 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
955 >        final SubtractFunction r = new SubtractFunction();
956 >        final CFException ex = new CFException();
957 >
958 >        g.completeExceptionally(ex);
959 >        f.complete(v1);
960 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
961 >
962 >        checkCompletedWithWrappedCFException(h, ex);
963 >        checkCompletedWithWrappedCFException(g, ex);
964 >        assertFalse(r.ran());
965 >        checkCompletedNormally(f, v1);
966 >        }
967 >    }
968  
969 <        f = new CompletableFuture<>();
970 <        g = new CompletableFuture<>();
971 <        f.completeExceptionally(new CFException());
972 <        g.complete(3);
973 <        h = f.thenCombine(g, subtract);
974 <        checkCompletedWithWrappedCFException(h);
969 >    public void testThenCombine_exceptionalCompletion4() {
970 >        for (ExecutionMode m : ExecutionMode.values())
971 >        for (Integer v1 : new Integer[] { 1, null }) {
972 >
973 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
974 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
975 >        final SubtractFunction r = new SubtractFunction();
976 >        final CFException ex = new CFException();
977 >
978 >        f.completeExceptionally(ex);
979 >        g.complete(v1);
980 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
981 >
982 >        checkCompletedWithWrappedCFException(h, ex);
983 >        checkCompletedWithWrappedCFException(f, ex);
984 >        assertFalse(r.ran());
985 >        checkCompletedNormally(g, v1);
986 >        }
987      }
988  
989      /**
990       * thenCombine result completes exceptionally if action does
991       */
992 <    public void testThenCombine3() {
993 <        CompletableFuture<Integer> f = new CompletableFuture<>();
994 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
995 <        FailingBiFunction r = new FailingBiFunction();
996 <        CompletableFuture<Integer> g = f.thenCombine(f2, r);
997 <        f.complete(one);
998 <        checkIncomplete(g);
999 <        assertFalse(r.ran);
1000 <        f2.complete(two);
1001 <        checkCompletedWithWrappedCFException(g);
1002 <        assertTrue(r.ran);
992 >    public void testThenCombine_actionFailed1() {
993 >        for (ExecutionMode m : ExecutionMode.values())
994 >        for (Integer v1 : new Integer[] { 1, null })
995 >        for (Integer v2 : new Integer[] { 2, null }) {
996 >
997 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
998 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
999 >        final FailingBiFunction r = new FailingBiFunction();
1000 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1001 >
1002 >        f.complete(v1);
1003 >        checkIncomplete(h);
1004 >        g.complete(v2);
1005 >
1006 >        checkCompletedWithWrappedCFException(h);
1007 >        checkCompletedNormally(f, v1);
1008 >        checkCompletedNormally(g, v2);
1009 >        }
1010 >    }
1011 >
1012 >    public void testThenCombine_actionFailed2() {
1013 >        for (ExecutionMode m : ExecutionMode.values())
1014 >        for (Integer v1 : new Integer[] { 1, null })
1015 >        for (Integer v2 : new Integer[] { 2, null }) {
1016 >
1017 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1018 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1019 >        final FailingBiFunction r = new FailingBiFunction();
1020 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1021 >
1022 >        g.complete(v2);
1023 >        checkIncomplete(h);
1024 >        f.complete(v1);
1025 >
1026 >        checkCompletedWithWrappedCFException(h);
1027 >        checkCompletedNormally(f, v1);
1028 >        checkCompletedNormally(g, v2);
1029 >        }
1030      }
1031  
1032      /**
1033       * thenCombine result completes exceptionally if either source cancelled
1034       */
1035 <    public void testThenCombine4() {
1036 <        CompletableFuture<Integer> f, g, h;
1035 >    public void testThenCombine_sourceCancelled1() {
1036 >        for (ExecutionMode m : ExecutionMode.values())
1037 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1038 >        for (Integer v1 : new Integer[] { 1, null }) {
1039 >
1040 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1041 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1042 >        final SubtractFunction r = new SubtractFunction();
1043 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1044  
1045 <        f = new CompletableFuture<>();
756 <        g = new CompletableFuture<>();
757 <        h = f.thenCombine(g, subtract);
758 <        assertTrue(f.cancel(true));
1045 >        assertTrue(f.cancel(mayInterruptIfRunning));
1046          checkIncomplete(h);
1047 <        g.complete(1);
1047 >        g.complete(v1);
1048 >
1049          checkCompletedWithWrappedCancellationException(h);
1050 +        checkCancelled(f);
1051 +        assertFalse(r.ran());
1052 +        checkCompletedNormally(g, v1);
1053 +        }
1054 +    }
1055  
1056 <        f = new CompletableFuture<>();
1057 <        g = new CompletableFuture<>();
1058 <        h = f.thenCombine(g, subtract);
1059 <        assertTrue(g.cancel(true));
1056 >    public void testThenCombine_sourceCancelled2() {
1057 >        for (ExecutionMode m : ExecutionMode.values())
1058 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1059 >        for (Integer v1 : new Integer[] { 1, null }) {
1060 >
1061 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1062 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1063 >        final SubtractFunction r = new SubtractFunction();
1064 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1065 >
1066 >        assertTrue(g.cancel(mayInterruptIfRunning));
1067          checkIncomplete(h);
1068 <        f.complete(3);
1068 >        f.complete(v1);
1069 >
1070          checkCompletedWithWrappedCancellationException(h);
1071 +        checkCancelled(g);
1072 +        assertFalse(r.ran());
1073 +        checkCompletedNormally(f, v1);
1074 +        }
1075 +    }
1076 +
1077 +    public void testThenCombine_sourceCancelled3() {
1078 +        for (ExecutionMode m : ExecutionMode.values())
1079 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1080 +        for (Integer v1 : new Integer[] { 1, null }) {
1081 +
1082 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1083 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1084 +        final SubtractFunction r = new SubtractFunction();
1085 +
1086 +        assertTrue(g.cancel(mayInterruptIfRunning));
1087 +        f.complete(v1);
1088 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1089 +
1090 +        checkCompletedWithWrappedCancellationException(h);
1091 +        checkCancelled(g);
1092 +        assertFalse(r.ran());
1093 +        checkCompletedNormally(f, v1);
1094 +        }
1095 +    }
1096 +
1097 +    public void testThenCombine_sourceCancelled4() {
1098 +        for (ExecutionMode m : ExecutionMode.values())
1099 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1100 +        for (Integer v1 : new Integer[] { 1, null }) {
1101 +
1102 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1103 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1104 +        final SubtractFunction r = new SubtractFunction();
1105 +
1106 +        assertTrue(f.cancel(mayInterruptIfRunning));
1107 +        g.complete(v1);
1108 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1109  
771        f = new CompletableFuture<>();
772        g = new CompletableFuture<>();
773        assertTrue(f.cancel(true));
774        assertTrue(g.cancel(true));
775        h = f.thenCombine(g, subtract);
1110          checkCompletedWithWrappedCancellationException(h);
1111 +        checkCancelled(f);
1112 +        assertFalse(r.ran());
1113 +        checkCompletedNormally(g, v1);
1114 +        }
1115      }
1116  
1117      /**
1118       * thenAcceptBoth result completes normally after normal
1119       * completion of sources
1120       */
1121 <    public void testThenAcceptBoth() {
1122 <        CompletableFuture<Integer> f, g;
1123 <        CompletableFuture<Void> h;
1124 <        SubtractAction r;
1121 >    public void testThenAcceptBoth_normalCompletion1() {
1122 >        for (ExecutionMode m : ExecutionMode.values())
1123 >        for (Integer v1 : new Integer[] { 1, null })
1124 >        for (Integer v2 : new Integer[] { 2, null }) {
1125 >
1126 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1127 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1128 >        final SubtractAction r = new SubtractAction();
1129 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1130  
1131 <        f = new CompletableFuture<>();
789 <        g = new CompletableFuture<>();
790 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
791 <        f.complete(3);
1131 >        f.complete(v1);
1132          checkIncomplete(h);
1133 <        g.complete(1);
1133 >        assertFalse(r.ran());
1134 >        g.complete(v2);
1135 >
1136          checkCompletedNormally(h, null);
1137 <        assertEquals(r.value, 2);
1137 >        assertEquals(r.value, subtract(v1, v2));
1138 >        checkCompletedNormally(f, v1);
1139 >        checkCompletedNormally(g, v2);
1140 >        }
1141 >    }
1142  
1143 <        f = new CompletableFuture<>();
1144 <        g = new CompletableFuture<>();
1145 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1146 <        g.complete(1);
1143 >    public void testThenAcceptBoth_normalCompletion2() {
1144 >        for (ExecutionMode m : ExecutionMode.values())
1145 >        for (Integer v1 : new Integer[] { 1, null })
1146 >        for (Integer v2 : new Integer[] { 2, null }) {
1147 >
1148 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1149 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1150 >        final SubtractAction r = new SubtractAction();
1151 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1152 >
1153 >        g.complete(v2);
1154          checkIncomplete(h);
1155 <        f.complete(3);
1155 >        assertFalse(r.ran());
1156 >        f.complete(v1);
1157 >
1158          checkCompletedNormally(h, null);
1159 <        assertEquals(r.value, 2);
1159 >        assertEquals(r.value, subtract(v1, v2));
1160 >        checkCompletedNormally(f, v1);
1161 >        checkCompletedNormally(g, v2);
1162 >        }
1163 >    }
1164 >
1165 >    public void testThenAcceptBoth_normalCompletion3() {
1166 >        for (ExecutionMode m : ExecutionMode.values())
1167 >        for (Integer v1 : new Integer[] { 1, null })
1168 >        for (Integer v2 : new Integer[] { 2, null }) {
1169 >
1170 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1171 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1172 >        final SubtractAction r = new SubtractAction();
1173 >
1174 >        g.complete(v2);
1175 >        f.complete(v1);
1176 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1177  
806        f = new CompletableFuture<>();
807        g = new CompletableFuture<>();
808        g.complete(1);
809        f.complete(3);
810        h = f.thenAcceptBoth(g, r = new SubtractAction());
1178          checkCompletedNormally(h, null);
1179 <        assertEquals(r.value, 2);
1179 >        assertEquals(r.value, subtract(v1, v2));
1180 >        checkCompletedNormally(f, v1);
1181 >        checkCompletedNormally(g, v2);
1182 >        }
1183 >    }
1184 >
1185 >    public void testThenAcceptBoth_normalCompletion4() {
1186 >        for (ExecutionMode m : ExecutionMode.values())
1187 >        for (Integer v1 : new Integer[] { 1, null })
1188 >        for (Integer v2 : new Integer[] { 2, null }) {
1189 >
1190 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1191 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1192 >        final SubtractAction r = new SubtractAction();
1193 >
1194 >        f.complete(v1);
1195 >        g.complete(v2);
1196 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1197 >
1198 >        checkCompletedNormally(h, null);
1199 >        assertEquals(r.value, subtract(v1, v2));
1200 >        checkCompletedNormally(f, v1);
1201 >        checkCompletedNormally(g, v2);
1202 >        }
1203      }
1204  
1205      /**
1206       * thenAcceptBoth result completes exceptionally after exceptional
1207       * completion of either source
1208       */
1209 <    public void testThenAcceptBoth2() {
1210 <        CompletableFuture<Integer> f, g;
1211 <        CompletableFuture<Void> h;
1212 <        SubtractAction r;
1213 <
1214 <        f = new CompletableFuture<>();
1215 <        g = new CompletableFuture<>();
1216 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1217 <        f.completeExceptionally(new CFException());
1218 <        checkIncomplete(h);
1219 <        g.complete(1);
1220 <        checkCompletedWithWrappedCFException(h);
1209 >    public void testThenAcceptBoth_exceptionalCompletion1() {
1210 >        for (ExecutionMode m : ExecutionMode.values())
1211 >        for (Integer v1 : new Integer[] { 1, null }) {
1212 >
1213 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1214 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1215 >        final SubtractAction r = new SubtractAction();
1216 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1217 >        final CFException ex = new CFException();
1218 >
1219 >        f.completeExceptionally(ex);
1220 >        checkIncomplete(h);
1221 >        g.complete(v1);
1222 >
1223 >        checkCompletedWithWrappedCFException(h, ex);
1224 >        checkCompletedWithWrappedCFException(f, ex);
1225 >        assertFalse(r.ran());
1226 >        checkCompletedNormally(g, v1);
1227 >        }
1228 >    }
1229  
1230 <        f = new CompletableFuture<>();
1231 <        g = new CompletableFuture<>();
1232 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1233 <        g.completeExceptionally(new CFException());
1234 <        checkIncomplete(h);
1235 <        f.complete(3);
1236 <        checkCompletedWithWrappedCFException(h);
1230 >    public void testThenAcceptBoth_exceptionalCompletion2() {
1231 >        for (ExecutionMode m : ExecutionMode.values())
1232 >        for (Integer v1 : new Integer[] { 1, null }) {
1233 >
1234 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1235 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1236 >        final SubtractAction r = new SubtractAction();
1237 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1238 >        final CFException ex = new CFException();
1239 >
1240 >        g.completeExceptionally(ex);
1241 >        checkIncomplete(h);
1242 >        f.complete(v1);
1243 >
1244 >        checkCompletedWithWrappedCFException(h, ex);
1245 >        checkCompletedWithWrappedCFException(g, ex);
1246 >        assertFalse(r.ran());
1247 >        checkCompletedNormally(f, v1);
1248 >        }
1249 >    }
1250  
1251 <        f = new CompletableFuture<>();
1252 <        g = new CompletableFuture<>();
1253 <        f.complete(3);
1254 <        g.completeExceptionally(new CFException());
1255 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1256 <        checkCompletedWithWrappedCFException(h);
1251 >    public void testThenAcceptBoth_exceptionalCompletion3() {
1252 >        for (ExecutionMode m : ExecutionMode.values())
1253 >        for (Integer v1 : new Integer[] { 1, null }) {
1254 >
1255 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1256 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1257 >        final SubtractAction r = new SubtractAction();
1258 >        final CFException ex = new CFException();
1259 >
1260 >        g.completeExceptionally(ex);
1261 >        f.complete(v1);
1262 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1263 >
1264 >        checkCompletedWithWrappedCFException(h, ex);
1265 >        checkCompletedWithWrappedCFException(g, ex);
1266 >        assertFalse(r.ran());
1267 >        checkCompletedNormally(f, v1);
1268 >        }
1269 >    }
1270  
1271 <        f = new CompletableFuture<>();
1272 <        g = new CompletableFuture<>();
1273 <        f.completeExceptionally(new CFException());
1274 <        g.complete(3);
1275 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1276 <        checkCompletedWithWrappedCFException(h);
1271 >    public void testThenAcceptBoth_exceptionalCompletion4() {
1272 >        for (ExecutionMode m : ExecutionMode.values())
1273 >        for (Integer v1 : new Integer[] { 1, null }) {
1274 >
1275 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1276 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1277 >        final SubtractAction r = new SubtractAction();
1278 >        final CFException ex = new CFException();
1279 >
1280 >        f.completeExceptionally(ex);
1281 >        g.complete(v1);
1282 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1283 >
1284 >        checkCompletedWithWrappedCFException(h, ex);
1285 >        checkCompletedWithWrappedCFException(f, ex);
1286 >        assertFalse(r.ran());
1287 >        checkCompletedNormally(g, v1);
1288 >        }
1289      }
1290  
1291      /**
1292       * thenAcceptBoth result completes exceptionally if action does
1293       */
1294 <    public void testThenAcceptBoth3() {
1295 <        CompletableFuture<Integer> f, g;
1296 <        CompletableFuture<Void> h;
1297 <        FailingBiConsumer r;
1294 >    public void testThenAcceptBoth_actionFailed1() {
1295 >        for (ExecutionMode m : ExecutionMode.values())
1296 >        for (Integer v1 : new Integer[] { 1, null })
1297 >        for (Integer v2 : new Integer[] { 2, null }) {
1298  
1299 <        f = new CompletableFuture<>();
1300 <        g = new CompletableFuture<>();
1301 <        h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1302 <        f.complete(3);
1299 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1300 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1301 >        final FailingBiConsumer r = new FailingBiConsumer();
1302 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1303 >
1304 >        f.complete(v1);
1305          checkIncomplete(h);
1306 <        g.complete(1);
1306 >        g.complete(v2);
1307 >
1308          checkCompletedWithWrappedCFException(h);
1309 +        checkCompletedNormally(f, v1);
1310 +        checkCompletedNormally(g, v2);
1311 +        }
1312 +    }
1313 +
1314 +    public void testThenAcceptBoth_actionFailed2() {
1315 +        for (ExecutionMode m : ExecutionMode.values())
1316 +        for (Integer v1 : new Integer[] { 1, null })
1317 +        for (Integer v2 : new Integer[] { 2, null }) {
1318 +
1319 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1320 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1321 +        final FailingBiConsumer r = new FailingBiConsumer();
1322 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1323 +
1324 +        g.complete(v2);
1325 +        checkIncomplete(h);
1326 +        f.complete(v1);
1327  
871        f = new CompletableFuture<>();
872        g = new CompletableFuture<>();
873        f.complete(3);
874        g.complete(1);
875        h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1328          checkCompletedWithWrappedCFException(h);
1329 +        checkCompletedNormally(f, v1);
1330 +        checkCompletedNormally(g, v2);
1331 +        }
1332      }
1333  
1334      /**
1335       * thenAcceptBoth result completes exceptionally if either source cancelled
1336       */
1337 <    public void testThenAcceptBoth4() {
1338 <        CompletableFuture<Integer> f, g;
1339 <        CompletableFuture<Void> h;
1340 <        SubtractAction r;
1337 >    public void testThenAcceptBoth_sourceCancelled1() {
1338 >        for (ExecutionMode m : ExecutionMode.values())
1339 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1340 >        for (Integer v1 : new Integer[] { 1, null }) {
1341 >
1342 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1343 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1344 >        final SubtractAction r = new SubtractAction();
1345 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1346  
1347 <        f = new CompletableFuture<>();
888 <        g = new CompletableFuture<>();
889 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
890 <        assertTrue(f.cancel(true));
1347 >        assertTrue(f.cancel(mayInterruptIfRunning));
1348          checkIncomplete(h);
1349 <        g.complete(1);
1349 >        g.complete(v1);
1350 >
1351          checkCompletedWithWrappedCancellationException(h);
1352 +        checkCancelled(f);
1353 +        assertFalse(r.ran());
1354 +        checkCompletedNormally(g, v1);
1355 +        }
1356 +    }
1357  
1358 <        f = new CompletableFuture<>();
1359 <        g = new CompletableFuture<>();
1360 <        h = f.thenAcceptBoth(g, r = new SubtractAction());
1361 <        assertTrue(g.cancel(true));
1358 >    public void testThenAcceptBoth_sourceCancelled2() {
1359 >        for (ExecutionMode m : ExecutionMode.values())
1360 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1361 >        for (Integer v1 : new Integer[] { 1, null }) {
1362 >
1363 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1364 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1365 >        final SubtractAction r = new SubtractAction();
1366 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1367 >
1368 >        assertTrue(g.cancel(mayInterruptIfRunning));
1369          checkIncomplete(h);
1370 <        f.complete(3);
901 <        checkCompletedWithWrappedCancellationException(h);
1370 >        f.complete(v1);
1371  
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());
1372          checkCompletedWithWrappedCancellationException(h);
1373 +        checkCancelled(g);
1374 +        assertFalse(r.ran());
1375 +        checkCompletedNormally(f, v1);
1376 +        }
1377 +    }
1378 +
1379 +    public void testThenAcceptBoth_sourceCancelled3() {
1380 +        for (ExecutionMode m : ExecutionMode.values())
1381 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1382 +        for (Integer v1 : new Integer[] { 1, null }) {
1383 +
1384 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1385 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1386 +        final SubtractAction r = new SubtractAction();
1387 +
1388 +        assertTrue(g.cancel(mayInterruptIfRunning));
1389 +        f.complete(v1);
1390 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1391 +
1392 +        checkCompletedWithWrappedCancellationException(h);
1393 +        checkCancelled(g);
1394 +        assertFalse(r.ran());
1395 +        checkCompletedNormally(f, v1);
1396 +        }
1397 +    }
1398 +
1399 +    public void testThenAcceptBoth_sourceCancelled4() {
1400 +        for (ExecutionMode m : ExecutionMode.values())
1401 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1402 +        for (Integer v1 : new Integer[] { 1, null }) {
1403 +
1404 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1405 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1406 +        final SubtractAction r = new SubtractAction();
1407 +
1408 +        assertTrue(f.cancel(mayInterruptIfRunning));
1409 +        g.complete(v1);
1410 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1411  
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());
1412          checkCompletedWithWrappedCancellationException(h);
1413 +        checkCancelled(f);
1414 +        assertFalse(r.ran());
1415 +        checkCompletedNormally(g, v1);
1416 +        }
1417      }
1418  
1419      /**
1420       * runAfterBoth result completes normally after normal
1421       * completion of sources
1422       */
1423 <    public void testRunAfterBoth() {
1424 <        CompletableFuture<Integer> f, g;
1425 <        CompletableFuture<Void> h;
1426 <        Noop r;
1423 >    public void testRunAfterBoth_normalCompletion1() {
1424 >        for (ExecutionMode m : ExecutionMode.values())
1425 >        for (Integer v1 : new Integer[] { 1, null })
1426 >        for (Integer v2 : new Integer[] { 2, null }) {
1427 >
1428 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1429 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1430 >        final Noop r = new Noop();
1431 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1432  
1433 <        f = new CompletableFuture<>();
928 <        g = new CompletableFuture<>();
929 <        h = f.runAfterBoth(g, r = new Noop());
930 <        f.complete(3);
1433 >        f.complete(v1);
1434          checkIncomplete(h);
1435 <        g.complete(1);
1435 >        assertFalse(r.ran);
1436 >        g.complete(v2);
1437 >
1438          checkCompletedNormally(h, null);
1439          assertTrue(r.ran);
1440 +        checkCompletedNormally(f, v1);
1441 +        checkCompletedNormally(g, v2);
1442 +        }
1443 +    }
1444  
1445 <        f = new CompletableFuture<>();
1446 <        g = new CompletableFuture<>();
1447 <        h = f.runAfterBoth(g, r = new Noop());
1448 <        g.complete(1);
1445 >    public void testRunAfterBoth_normalCompletion2() {
1446 >        for (ExecutionMode m : ExecutionMode.values())
1447 >        for (Integer v1 : new Integer[] { 1, null })
1448 >        for (Integer v2 : new Integer[] { 2, null }) {
1449 >
1450 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1451 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1452 >        final Noop r = new Noop();
1453 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1454 >
1455 >        g.complete(v2);
1456          checkIncomplete(h);
1457 <        f.complete(3);
1457 >        assertFalse(r.ran);
1458 >        f.complete(v1);
1459 >
1460 >        checkCompletedNormally(h, null);
1461 >        assertTrue(r.ran);
1462 >        checkCompletedNormally(f, v1);
1463 >        checkCompletedNormally(g, v2);
1464 >        }
1465 >    }
1466 >
1467 >    public void testRunAfterBoth_normalCompletion3() {
1468 >        for (ExecutionMode m : ExecutionMode.values())
1469 >        for (Integer v1 : new Integer[] { 1, null })
1470 >        for (Integer v2 : new Integer[] { 2, null }) {
1471 >
1472 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1473 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1474 >        final Noop r = new Noop();
1475 >
1476 >        g.complete(v2);
1477 >        f.complete(v1);
1478 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1479 >
1480          checkCompletedNormally(h, null);
1481          assertTrue(r.ran);
1482 +        checkCompletedNormally(f, v1);
1483 +        checkCompletedNormally(g, v2);
1484 +        }
1485 +    }
1486 +
1487 +    public void testRunAfterBoth_normalCompletion4() {
1488 +        for (ExecutionMode m : ExecutionMode.values())
1489 +        for (Integer v1 : new Integer[] { 1, null })
1490 +        for (Integer v2 : new Integer[] { 2, null }) {
1491 +
1492 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1493 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1494 +        final Noop r = new Noop();
1495 +
1496 +        f.complete(v1);
1497 +        g.complete(v2);
1498 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1499  
945        f = new CompletableFuture<>();
946        g = new CompletableFuture<>();
947        g.complete(1);
948        f.complete(3);
949        h = f.runAfterBoth(g, r = new Noop());
1500          checkCompletedNormally(h, null);
1501          assertTrue(r.ran);
1502 +        checkCompletedNormally(f, v1);
1503 +        checkCompletedNormally(g, v2);
1504 +        }
1505      }
1506  
1507      /**
1508       * runAfterBoth result completes exceptionally after exceptional
1509       * completion of either source
1510       */
1511 <    public void testRunAfterBoth2() {
1512 <        CompletableFuture<Integer> f, g;
1513 <        CompletableFuture<Void> h;
1514 <        Noop r;
1511 >    public void testRunAfterBoth_exceptionalCompletion1() {
1512 >        for (ExecutionMode m : ExecutionMode.values())
1513 >        for (Integer v1 : new Integer[] { 1, null }) {
1514 >
1515 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1516 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1517 >        final Noop r = new Noop();
1518 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1519 >        final CFException ex = new CFException();
1520  
1521 <        f = new CompletableFuture<>();
964 <        g = new CompletableFuture<>();
965 <        h = f.runAfterBoth(g, r = new Noop());
966 <        f.completeExceptionally(new CFException());
1521 >        f.completeExceptionally(ex);
1522          checkIncomplete(h);
1523 <        g.complete(1);
1524 <        checkCompletedWithWrappedCFException(h);
1523 >        g.complete(v1);
1524 >
1525 >        checkCompletedWithWrappedCFException(h, ex);
1526 >        checkCompletedWithWrappedCFException(f, ex);
1527          assertFalse(r.ran);
1528 +        checkCompletedNormally(g, v1);
1529 +        }
1530 +    }
1531  
1532 <        f = new CompletableFuture<>();
1533 <        g = new CompletableFuture<>();
1534 <        h = f.runAfterBoth(g, r = new Noop());
1535 <        g.completeExceptionally(new CFException());
1532 >    public void testRunAfterBoth_exceptionalCompletion2() {
1533 >        for (ExecutionMode m : ExecutionMode.values())
1534 >        for (Integer v1 : new Integer[] { 1, null }) {
1535 >
1536 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1537 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1538 >        final Noop r = new Noop();
1539 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1540 >        final CFException ex = new CFException();
1541 >
1542 >        g.completeExceptionally(ex);
1543          checkIncomplete(h);
1544 <        f.complete(3);
1545 <        checkCompletedWithWrappedCFException(h);
1544 >        f.complete(v1);
1545 >
1546 >        checkCompletedWithWrappedCFException(h, ex);
1547 >        checkCompletedWithWrappedCFException(g, ex);
1548          assertFalse(r.ran);
1549 +        checkCompletedNormally(f, v1);
1550 +        }
1551 +    }
1552  
1553 <        f = new CompletableFuture<>();
1554 <        g = new CompletableFuture<>();
1555 <        g.completeExceptionally(new CFException());
1556 <        f.complete(3);
1557 <        h = f.runAfterBoth(g, r = new Noop());
1558 <        checkCompletedWithWrappedCFException(h);
1553 >    public void testRunAfterBoth_exceptionalCompletion3() {
1554 >        for (ExecutionMode m : ExecutionMode.values())
1555 >        for (Integer v1 : new Integer[] { 1, null }) {
1556 >
1557 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1558 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1559 >        final Noop r = new Noop();
1560 >        final CFException ex = new CFException();
1561 >
1562 >        g.completeExceptionally(ex);
1563 >        f.complete(v1);
1564 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1565 >
1566 >        checkCompletedWithWrappedCFException(h, ex);
1567 >        checkCompletedWithWrappedCFException(g, ex);
1568          assertFalse(r.ran);
1569 +        checkCompletedNormally(f, v1);
1570 +        }
1571 +    }
1572  
1573 <        f = new CompletableFuture<>();
1574 <        g = new CompletableFuture<>();
1575 <        f.completeExceptionally(new CFException());
1576 <        g.complete(1);
1577 <        h = f.runAfterBoth(g, r = new Noop());
1578 <        checkCompletedWithWrappedCFException(h);
1573 >    public void testRunAfterBoth_exceptionalCompletion4() {
1574 >        for (ExecutionMode m : ExecutionMode.values())
1575 >        for (Integer v1 : new Integer[] { 1, null }) {
1576 >
1577 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1578 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1579 >        final Noop r = new Noop();
1580 >        final CFException ex = new CFException();
1581 >
1582 >        f.completeExceptionally(ex);
1583 >        g.complete(v1);
1584 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1585 >
1586 >        checkCompletedWithWrappedCFException(h, ex);
1587 >        checkCompletedWithWrappedCFException(f, ex);
1588          assertFalse(r.ran);
1589 +        checkCompletedNormally(g, v1);
1590 +        }
1591      }
1592  
1593      /**
1594       * runAfterBoth result completes exceptionally if action does
1595       */
1596 <    public void testRunAfterBoth3() {
1597 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1598 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1599 <        FailingNoop r = new FailingNoop();
1600 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1601 <        f.complete(one);
1602 <        checkIncomplete(g);
1603 <        f2.complete(two);
1604 <        checkCompletedWithWrappedCFException(g);
1596 >    public void testRunAfterBoth_actionFailed1() {
1597 >        for (ExecutionMode m : ExecutionMode.values())
1598 >        for (Integer v1 : new Integer[] { 1, null })
1599 >        for (Integer v2 : new Integer[] { 2, null }) {
1600 >
1601 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1602 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1603 >        final FailingNoop r = new FailingNoop();
1604 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1605 >
1606 >        f.complete(v1);
1607 >        checkIncomplete(h);
1608 >        g.complete(v2);
1609 >
1610 >        checkCompletedWithWrappedCFException(h);
1611 >        checkCompletedNormally(f, v1);
1612 >        checkCompletedNormally(g, v2);
1613 >        }
1614 >    }
1615 >
1616 >    public void testRunAfterBoth_actionFailed2() {
1617 >        for (ExecutionMode m : ExecutionMode.values())
1618 >        for (Integer v1 : new Integer[] { 1, null })
1619 >        for (Integer v2 : new Integer[] { 2, null }) {
1620 >
1621 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1622 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1623 >        final FailingNoop r = new FailingNoop();
1624 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1625 >
1626 >        g.complete(v2);
1627 >        checkIncomplete(h);
1628 >        f.complete(v1);
1629 >
1630 >        checkCompletedWithWrappedCFException(h);
1631 >        checkCompletedNormally(f, v1);
1632 >        checkCompletedNormally(g, v2);
1633 >        }
1634      }
1635  
1636      /**
1637       * runAfterBoth result completes exceptionally if either source cancelled
1638       */
1639 <    public void testRunAfterBoth4() {
1640 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1641 <        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1642 <        Noop r = new Noop();
1643 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1644 <        assertTrue(f.cancel(true));
1645 <        f2.complete(two);
1646 <        checkCompletedWithWrappedCancellationException(g);
1647 <        f = new CompletableFuture<>();
1648 <        f2 = new CompletableFuture<>();
1649 <        r = new Noop();
1650 <        g = f.runAfterBoth(f2, r);
1651 <        f.complete(one);
1652 <        assertTrue(f2.cancel(true));
1653 <        checkCompletedWithWrappedCancellationException(g);
1639 >    public void testRunAfterBoth_sourceCancelled1() {
1640 >        for (ExecutionMode m : ExecutionMode.values())
1641 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1642 >        for (Integer v1 : new Integer[] { 1, null }) {
1643 >
1644 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1645 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1646 >        final Noop r = new Noop();
1647 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1648 >
1649 >        assertTrue(f.cancel(mayInterruptIfRunning));
1650 >        checkIncomplete(h);
1651 >        g.complete(v1);
1652 >
1653 >        checkCompletedWithWrappedCancellationException(h);
1654 >        checkCancelled(f);
1655 >        assertFalse(r.ran);
1656 >        checkCompletedNormally(g, v1);
1657 >        }
1658 >    }
1659 >
1660 >    public void testRunAfterBoth_sourceCancelled2() {
1661 >        for (ExecutionMode m : ExecutionMode.values())
1662 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1663 >        for (Integer v1 : new Integer[] { 1, null }) {
1664 >
1665 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1666 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1667 >        final Noop r = new Noop();
1668 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1669 >
1670 >        assertTrue(g.cancel(mayInterruptIfRunning));
1671 >        checkIncomplete(h);
1672 >        f.complete(v1);
1673 >
1674 >        checkCompletedWithWrappedCancellationException(h);
1675 >        checkCancelled(g);
1676 >        assertFalse(r.ran);
1677 >        checkCompletedNormally(f, v1);
1678 >        }
1679 >    }
1680 >
1681 >    public void testRunAfterBoth_sourceCancelled3() {
1682 >        for (ExecutionMode m : ExecutionMode.values())
1683 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1684 >        for (Integer v1 : new Integer[] { 1, null }) {
1685 >
1686 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1687 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1688 >        final Noop r = new Noop();
1689 >
1690 >        assertTrue(g.cancel(mayInterruptIfRunning));
1691 >        f.complete(v1);
1692 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1693 >
1694 >        checkCompletedWithWrappedCancellationException(h);
1695 >        checkCancelled(g);
1696 >        assertFalse(r.ran);
1697 >        checkCompletedNormally(f, v1);
1698 >        }
1699 >    }
1700 >
1701 >    public void testRunAfterBoth_sourceCancelled4() {
1702 >        for (ExecutionMode m : ExecutionMode.values())
1703 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1704 >        for (Integer v1 : new Integer[] { 1, null }) {
1705 >
1706 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1707 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1708 >        final Noop r = new Noop();
1709 >
1710 >        assertTrue(f.cancel(mayInterruptIfRunning));
1711 >        g.complete(v1);
1712 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1713 >
1714 >        checkCompletedWithWrappedCancellationException(h);
1715 >        checkCancelled(f);
1716 >        assertFalse(r.ran);
1717 >        checkCompletedNormally(g, v1);
1718 >        }
1719      }
1720  
1721      /**
# Line 1348 | Line 2037 | public class CompletableFutureTest exten
2037          try {
2038              g.join();
2039              shouldThrow();
2040 <        } catch (Exception ok) {
1352 <        }
2040 >        } catch (CompletionException success) {}
2041          checkCompletedWithWrappedCFException(g);
2042      }
2043  
# Line 1465 | Line 2153 | public class CompletableFutureTest exten
2153      }
2154  
2155      /**
1468     * thenCombineAsync result completes normally after normal
1469     * completion of sources
1470     */
1471    public void testThenCombineAsync() {
1472        CompletableFuture<Integer> f, g, h;
1473
1474        f = new CompletableFuture<>();
1475        g = new CompletableFuture<>();
1476        h = f.thenCombineAsync(g, subtract);
1477        f.complete(3);
1478        checkIncomplete(h);
1479        g.complete(1);
1480        checkCompletedNormally(h, 2);
1481
1482        f = new CompletableFuture<>();
1483        g = new CompletableFuture<>();
1484        h = f.thenCombineAsync(g, subtract);
1485        g.complete(1);
1486        checkIncomplete(h);
1487        f.complete(3);
1488        checkCompletedNormally(h, 2);
1489
1490        f = new CompletableFuture<>();
1491        g = new CompletableFuture<>();
1492        g.complete(1);
1493        f.complete(3);
1494        h = f.thenCombineAsync(g, subtract);
1495        checkCompletedNormally(h, 2);
1496    }
1497
1498    /**
1499     * thenCombineAsync result completes exceptionally after exceptional
1500     * completion of either source
1501     */
1502    public void testThenCombineAsync2() {
1503        CompletableFuture<Integer> f, g, h;
1504
1505        f = new CompletableFuture<>();
1506        g = new CompletableFuture<>();
1507        h = f.thenCombineAsync(g, subtract);
1508        f.completeExceptionally(new CFException());
1509        checkIncomplete(h);
1510        g.complete(1);
1511        checkCompletedWithWrappedCFException(h);
1512
1513        f = new CompletableFuture<>();
1514        g = new CompletableFuture<>();
1515        h = f.thenCombineAsync(g, subtract);
1516        g.completeExceptionally(new CFException());
1517        checkIncomplete(h);
1518        f.complete(3);
1519        checkCompletedWithWrappedCFException(h);
1520
1521        f = new CompletableFuture<>();
1522        g = new CompletableFuture<>();
1523        g.completeExceptionally(new CFException());
1524        f.complete(3);
1525        h = f.thenCombineAsync(g, subtract);
1526        checkCompletedWithWrappedCFException(h);
1527    }
1528
1529    /**
1530     * thenCombineAsync result completes exceptionally if action does
1531     */
1532    public void testThenCombineAsync3() {
1533        CompletableFuture<Integer> f = new CompletableFuture<>();
1534        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1535        FailingBiFunction r = new FailingBiFunction();
1536        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1537        f.complete(one);
1538        checkIncomplete(g);
1539        assertFalse(r.ran);
1540        f2.complete(two);
1541        checkCompletedWithWrappedCFException(g);
1542        assertTrue(r.ran);
1543    }
1544
1545    /**
1546     * thenCombineAsync result completes exceptionally if either source cancelled
1547     */
1548    public void testThenCombineAsync4() {
1549        CompletableFuture<Integer> f, g, h;
1550
1551        f = new CompletableFuture<>();
1552        g = new CompletableFuture<>();
1553        h = f.thenCombineAsync(g, subtract);
1554        assertTrue(f.cancel(true));
1555        checkIncomplete(h);
1556        g.complete(1);
1557        checkCompletedWithWrappedCancellationException(h);
1558
1559        f = new CompletableFuture<>();
1560        g = new CompletableFuture<>();
1561        h = f.thenCombineAsync(g, subtract);
1562        assertTrue(g.cancel(true));
1563        checkIncomplete(h);
1564        f.complete(3);
1565        checkCompletedWithWrappedCancellationException(h);
1566
1567        f = new CompletableFuture<>();
1568        g = new CompletableFuture<>();
1569        g.complete(3);
1570        assertTrue(f.cancel(true));
1571        h = f.thenCombineAsync(g, subtract);
1572        checkCompletedWithWrappedCancellationException(h);
1573
1574        f = new CompletableFuture<>();
1575        g = new CompletableFuture<>();
1576        f.complete(3);
1577        assertTrue(g.cancel(true));
1578        h = f.thenCombineAsync(g, subtract);
1579        checkCompletedWithWrappedCancellationException(h);
1580    }
1581
1582    /**
1583     * thenAcceptBothAsync result completes normally after normal
1584     * completion of sources
1585     */
1586    public void testThenAcceptBothAsync() {
1587        CompletableFuture<Integer> f, g;
1588        CompletableFuture<Void> h;
1589        SubtractAction r;
1590
1591        f = new CompletableFuture<>();
1592        g = new CompletableFuture<>();
1593        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1594        f.complete(3);
1595        checkIncomplete(h);
1596        g.complete(1);
1597        checkCompletedNormally(h, null);
1598        assertEquals(r.value, 2);
1599
1600        f = new CompletableFuture<>();
1601        g = new CompletableFuture<>();
1602        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1603        g.complete(1);
1604        checkIncomplete(h);
1605        f.complete(3);
1606        checkCompletedNormally(h, null);
1607        assertEquals(r.value, 2);
1608
1609        f = new CompletableFuture<>();
1610        g = new CompletableFuture<>();
1611        g.complete(1);
1612        f.complete(3);
1613        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1614        checkCompletedNormally(h, null);
1615        assertEquals(r.value, 2);
1616    }
1617
1618    /**
1619     * thenAcceptBothAsync result completes exceptionally after exceptional
1620     * completion of source
1621     */
1622    public void testThenAcceptBothAsync2() {
1623        CompletableFuture<Integer> f, g;
1624        CompletableFuture<Void> h;
1625        SubtractAction r;
1626
1627        f = new CompletableFuture<>();
1628        g = new CompletableFuture<>();
1629        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1630        f.completeExceptionally(new CFException());
1631        checkIncomplete(h);
1632        g.complete(1);
1633        checkCompletedWithWrappedCFException(h);
1634
1635        f = new CompletableFuture<>();
1636        g = new CompletableFuture<>();
1637        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1638        g.completeExceptionally(new CFException());
1639        checkIncomplete(h);
1640        f.complete(3);
1641        checkCompletedWithWrappedCFException(h);
1642
1643        f = new CompletableFuture<>();
1644        g = new CompletableFuture<>();
1645        f.complete(3);
1646        g.completeExceptionally(new CFException());
1647        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1648        checkCompletedWithWrappedCFException(h);
1649
1650        f = new CompletableFuture<>();
1651        g = new CompletableFuture<>();
1652        f.completeExceptionally(new CFException());
1653        g.complete(3);
1654        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1655        checkCompletedWithWrappedCFException(h);
1656    }
1657
1658    /**
1659     * thenAcceptBothAsync result completes exceptionally if action does
1660     */
1661    public void testThenAcceptBothAsync3() {
1662        CompletableFuture<Integer> f, g;
1663        CompletableFuture<Void> h;
1664        FailingBiConsumer r;
1665
1666        f = new CompletableFuture<>();
1667        g = new CompletableFuture<>();
1668        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1669        f.complete(3);
1670        checkIncomplete(h);
1671        g.complete(1);
1672        checkCompletedWithWrappedCFException(h);
1673
1674        f = new CompletableFuture<>();
1675        g = new CompletableFuture<>();
1676        f.complete(3);
1677        g.complete(1);
1678        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1679        checkCompletedWithWrappedCFException(h);
1680    }
1681
1682    /**
1683     * thenAcceptBothAsync result completes exceptionally if either source cancelled
1684     */
1685    public void testThenAcceptBothAsync4() {
1686        CompletableFuture<Integer> f, g;
1687        CompletableFuture<Void> h;
1688        SubtractAction r;
1689
1690        f = new CompletableFuture<>();
1691        g = new CompletableFuture<>();
1692        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1693        assertTrue(f.cancel(true));
1694        checkIncomplete(h);
1695        g.complete(1);
1696        checkCompletedWithWrappedCancellationException(h);
1697
1698        f = new CompletableFuture<>();
1699        g = new CompletableFuture<>();
1700        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1701        assertTrue(g.cancel(true));
1702        checkIncomplete(h);
1703        f.complete(3);
1704        checkCompletedWithWrappedCancellationException(h);
1705
1706        f = new CompletableFuture<>();
1707        g = new CompletableFuture<>();
1708        f.complete(3);
1709        assertTrue(g.cancel(true));
1710        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1711        checkCompletedWithWrappedCancellationException(h);
1712
1713        f = new CompletableFuture<>();
1714        g = new CompletableFuture<>();
1715        assertTrue(f.cancel(true));
1716        g.complete(3);
1717        h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1718        checkCompletedWithWrappedCancellationException(h);
1719    }
1720
1721    /**
1722     * runAfterBothAsync result completes normally after normal
1723     * completion of sources
1724     */
1725    public void testRunAfterBothAsync() {
1726        CompletableFuture<Integer> f = new CompletableFuture<>();
1727        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1728        Noop r = new Noop();
1729        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1730        f.complete(one);
1731        checkIncomplete(g);
1732        f2.complete(two);
1733        checkCompletedNormally(g, null);
1734        assertTrue(r.ran);
1735    }
1736
1737    /**
1738     * runAfterBothAsync result completes exceptionally after exceptional
1739     * completion of source
1740     */
1741    public void testRunAfterBothAsync2() {
1742        CompletableFuture<Integer> f = new CompletableFuture<>();
1743        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1744        Noop r = new Noop();
1745        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1746        f.completeExceptionally(new CFException());
1747        f2.complete(two);
1748        checkCompletedWithWrappedCFException(g);
1749
1750        r = new Noop();
1751        f = new CompletableFuture<>();
1752        f2 = new CompletableFuture<>();
1753        g = f.runAfterBothAsync(f2, r);
1754        f.complete(one);
1755        f2.completeExceptionally(new CFException());
1756        checkCompletedWithWrappedCFException(g);
1757    }
1758
1759    /**
1760     * runAfterBothAsync result completes exceptionally if action does
1761     */
1762    public void testRunAfterBothAsync3() {
1763        CompletableFuture<Integer> f = new CompletableFuture<>();
1764        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1765        FailingNoop r = new FailingNoop();
1766        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1767        f.complete(one);
1768        checkIncomplete(g);
1769        f2.complete(two);
1770        checkCompletedWithWrappedCFException(g);
1771    }
1772
1773    /**
1774     * runAfterBothAsync result completes exceptionally if either source cancelled
1775     */
1776    public void testRunAfterBothAsync4() {
1777        CompletableFuture<Integer> f = new CompletableFuture<>();
1778        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1779        Noop r = new Noop();
1780        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1781        assertTrue(f.cancel(true));
1782        f2.complete(two);
1783        checkCompletedWithWrappedCancellationException(g);
1784
1785        r = new Noop();
1786        f = new CompletableFuture<>();
1787        f2 = new CompletableFuture<>();
1788        g = f.runAfterBothAsync(f2, r);
1789        f.complete(one);
1790        assertTrue(f2.cancel(true));
1791        checkCompletedWithWrappedCancellationException(g);
1792    }
1793
1794    /**
2156       * applyToEitherAsync result completes normally after normal
2157       * completion of sources
2158       */
# Line 2115 | Line 2476 | public class CompletableFutureTest exten
2476          try {
2477              g.join();
2478              shouldThrow();
2479 <        } catch (Exception ok) {
2119 <        }
2479 >        } catch (CompletionException success) {}
2480          checkCompletedWithWrappedCFException(g);
2481      }
2482  
# Line 2232 | Line 2592 | public class CompletableFutureTest exten
2592      }
2593  
2594      /**
2235     * thenCombineAsync result completes normally after normal
2236     * completion of sources
2237     */
2238    public void testThenCombineAsyncE() {
2239        CompletableFuture<Integer> f, g, h;
2240        ThreadExecutor e = new ThreadExecutor();
2241        int count = 0;
2242
2243        f = new CompletableFuture<>();
2244        g = new CompletableFuture<>();
2245        h = f.thenCombineAsync(g, subtract, e);
2246        f.complete(3);
2247        checkIncomplete(h);
2248        g.complete(1);
2249        checkCompletedNormally(h, 2);
2250        assertEquals(++count, e.count.get());
2251
2252        f = new CompletableFuture<>();
2253        g = new CompletableFuture<>();
2254        h = f.thenCombineAsync(g, subtract, e);
2255        g.complete(1);
2256        checkIncomplete(h);
2257        f.complete(3);
2258        checkCompletedNormally(h, 2);
2259        assertEquals(++count, e.count.get());
2260
2261        f = new CompletableFuture<>();
2262        g = new CompletableFuture<>();
2263        g.complete(1);
2264        f.complete(3);
2265        h = f.thenCombineAsync(g, subtract, e);
2266        checkCompletedNormally(h, 2);
2267        assertEquals(++count, e.count.get());
2268    }
2269
2270    /**
2271     * thenCombineAsync result completes exceptionally after exceptional
2272     * completion of either source
2273     */
2274    public void testThenCombineAsync2E() {
2275        CompletableFuture<Integer> f, g, h;
2276        ThreadExecutor e = new ThreadExecutor();
2277        int count = 0;
2278
2279        f = new CompletableFuture<>();
2280        g = new CompletableFuture<>();
2281        h = f.thenCombineAsync(g, subtract, e);
2282        f.completeExceptionally(new CFException());
2283        checkIncomplete(h);
2284        g.complete(1);
2285        checkCompletedWithWrappedCFException(h);
2286
2287        f = new CompletableFuture<>();
2288        g = new CompletableFuture<>();
2289        h = f.thenCombineAsync(g, subtract, e);
2290        g.completeExceptionally(new CFException());
2291        checkIncomplete(h);
2292        f.complete(3);
2293        checkCompletedWithWrappedCFException(h);
2294
2295        f = new CompletableFuture<>();
2296        g = new CompletableFuture<>();
2297        g.completeExceptionally(new CFException());
2298        h = f.thenCombineAsync(g, subtract, e);
2299        checkIncomplete(h);
2300        f.complete(3);
2301        checkCompletedWithWrappedCFException(h);
2302
2303        assertEquals(0, e.count.get());
2304    }
2305
2306    /**
2307     * thenCombineAsync result completes exceptionally if action does
2308     */
2309    public void testThenCombineAsync3E() {
2310        CompletableFuture<Integer> f = new CompletableFuture<>();
2311        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2312        FailingBiFunction r = new FailingBiFunction();
2313        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2314        f.complete(one);
2315        checkIncomplete(g);
2316        assertFalse(r.ran);
2317        f2.complete(two);
2318        checkCompletedWithWrappedCFException(g);
2319        assertTrue(r.ran);
2320    }
2321
2322    /**
2323     * thenCombineAsync result completes exceptionally if either source cancelled
2324     */
2325    public void testThenCombineAsync4E() {
2326        CompletableFuture<Integer> f, g, h;
2327        ThreadExecutor e = new ThreadExecutor();
2328
2329        f = new CompletableFuture<>();
2330        g = new CompletableFuture<>();
2331        h = f.thenCombineAsync(g, subtract, e);
2332        assertTrue(f.cancel(true));
2333        checkIncomplete(h);
2334        g.complete(1);
2335        checkCompletedWithWrappedCancellationException(h);
2336
2337        f = new CompletableFuture<>();
2338        g = new CompletableFuture<>();
2339        h = f.thenCombineAsync(g, subtract, e);
2340        assertTrue(g.cancel(true));
2341        checkIncomplete(h);
2342        f.complete(3);
2343        checkCompletedWithWrappedCancellationException(h);
2344
2345        f = new CompletableFuture<>();
2346        g = new CompletableFuture<>();
2347        assertTrue(g.cancel(true));
2348        h = f.thenCombineAsync(g, subtract, e);
2349        checkIncomplete(h);
2350        f.complete(3);
2351        checkCompletedWithWrappedCancellationException(h);
2352
2353        f = new CompletableFuture<>();
2354        g = new CompletableFuture<>();
2355        assertTrue(f.cancel(true));
2356        assertTrue(g.cancel(true));
2357        h = f.thenCombineAsync(g, subtract, e);
2358        checkCompletedWithWrappedCancellationException(h);
2359
2360        assertEquals(0, e.count.get());
2361    }
2362
2363    /**
2364     * thenAcceptBothAsync result completes normally after normal
2365     * completion of sources
2366     */
2367    public void testThenAcceptBothAsyncE() {
2368        CompletableFuture<Integer> f, g;
2369        CompletableFuture<Void> h;
2370        SubtractAction r;
2371        ThreadExecutor e = new ThreadExecutor();
2372
2373        f = new CompletableFuture<>();
2374        g = new CompletableFuture<>();
2375        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2376        f.complete(3);
2377        checkIncomplete(h);
2378        g.complete(1);
2379        checkCompletedNormally(h, null);
2380        assertEquals(r.value, 2);
2381
2382        f = new CompletableFuture<>();
2383        g = new CompletableFuture<>();
2384        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2385        g.complete(1);
2386        checkIncomplete(h);
2387        f.complete(3);
2388        checkCompletedNormally(h, null);
2389        assertEquals(r.value, 2);
2390
2391        f = new CompletableFuture<>();
2392        g = new CompletableFuture<>();
2393        g.complete(1);
2394        f.complete(3);
2395        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2396        checkCompletedNormally(h, null);
2397        assertEquals(r.value, 2);
2398
2399        assertEquals(3, e.count.get());
2400    }
2401
2402    /**
2403     * thenAcceptBothAsync result completes exceptionally after exceptional
2404     * completion of source
2405     */
2406    public void testThenAcceptBothAsync2E() {
2407        CompletableFuture<Integer> f, g;
2408        CompletableFuture<Void> h;
2409        SubtractAction r;
2410        ThreadExecutor e = new ThreadExecutor();
2411
2412        f = new CompletableFuture<>();
2413        g = new CompletableFuture<>();
2414        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2415        f.completeExceptionally(new CFException());
2416        checkIncomplete(h);
2417        g.complete(1);
2418        checkCompletedWithWrappedCFException(h);
2419
2420        f = new CompletableFuture<>();
2421        g = new CompletableFuture<>();
2422        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2423        g.completeExceptionally(new CFException());
2424        checkIncomplete(h);
2425        f.complete(3);
2426        checkCompletedWithWrappedCFException(h);
2427
2428        f = new CompletableFuture<>();
2429        g = new CompletableFuture<>();
2430        f.complete(3);
2431        g.completeExceptionally(new CFException());
2432        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2433        checkCompletedWithWrappedCFException(h);
2434
2435        f = new CompletableFuture<>();
2436        g = new CompletableFuture<>();
2437        f.completeExceptionally(new CFException());
2438        g.complete(3);
2439        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2440        checkCompletedWithWrappedCFException(h);
2441
2442        assertEquals(0, e.count.get());
2443    }
2444
2445    /**
2446     * thenAcceptBothAsync result completes exceptionally if action does
2447     */
2448    public void testThenAcceptBothAsync3E() {
2449        CompletableFuture<Integer> f, g;
2450        CompletableFuture<Void> h;
2451        FailingBiConsumer r;
2452        ThreadExecutor e = new ThreadExecutor();
2453
2454        f = new CompletableFuture<>();
2455        g = new CompletableFuture<>();
2456        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2457        f.complete(3);
2458        checkIncomplete(h);
2459        g.complete(1);
2460        checkCompletedWithWrappedCFException(h);
2461
2462        f = new CompletableFuture<>();
2463        g = new CompletableFuture<>();
2464        f.complete(3);
2465        g.complete(1);
2466        h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2467        checkCompletedWithWrappedCFException(h);
2468
2469        assertEquals(2, e.count.get());
2470    }
2471
2472    /**
2473     * thenAcceptBothAsync result completes exceptionally if either source cancelled
2474     */
2475    public void testThenAcceptBothAsync4E() {
2476        CompletableFuture<Integer> f, g;
2477        CompletableFuture<Void> h;
2478        SubtractAction r;
2479        ThreadExecutor e = new ThreadExecutor();
2480
2481        f = new CompletableFuture<>();
2482        g = new CompletableFuture<>();
2483        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2484        assertTrue(f.cancel(true));
2485        checkIncomplete(h);
2486        g.complete(1);
2487        checkCompletedWithWrappedCancellationException(h);
2488
2489        f = new CompletableFuture<>();
2490        g = new CompletableFuture<>();
2491        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2492        assertTrue(g.cancel(true));
2493        checkIncomplete(h);
2494        f.complete(3);
2495        checkCompletedWithWrappedCancellationException(h);
2496
2497        f = new CompletableFuture<>();
2498        g = new CompletableFuture<>();
2499        f.complete(3);
2500        assertTrue(g.cancel(true));
2501        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2502        checkCompletedWithWrappedCancellationException(h);
2503
2504        f = new CompletableFuture<>();
2505        g = new CompletableFuture<>();
2506        assertTrue(f.cancel(true));
2507        g.complete(3);
2508        h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2509        checkCompletedWithWrappedCancellationException(h);
2510
2511        assertEquals(0, e.count.get());
2512    }
2513
2514    /**
2515     * runAfterBothAsync result completes normally after normal
2516     * completion of sources
2517     */
2518    public void testRunAfterBothAsyncE() {
2519        CompletableFuture<Integer> f = new CompletableFuture<>();
2520        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2521        Noop r = new Noop();
2522        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2523        f.complete(one);
2524        checkIncomplete(g);
2525        f2.complete(two);
2526        checkCompletedNormally(g, null);
2527        assertTrue(r.ran);
2528    }
2529
2530    /**
2531     * runAfterBothAsync result completes exceptionally after exceptional
2532     * completion of source
2533     */
2534    public void testRunAfterBothAsync2E() {
2535        CompletableFuture<Integer> f = new CompletableFuture<>();
2536        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2537        Noop r = new Noop();
2538        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2539        f.completeExceptionally(new CFException());
2540        f2.complete(two);
2541        checkCompletedWithWrappedCFException(g);
2542
2543        r = new Noop();
2544        f = new CompletableFuture<>();
2545        f2 = new CompletableFuture<>();
2546        g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2547        f.complete(one);
2548        f2.completeExceptionally(new CFException());
2549        checkCompletedWithWrappedCFException(g);
2550    }
2551
2552    /**
2553     * runAfterBothAsync result completes exceptionally if action does
2554     */
2555    public void testRunAfterBothAsync3E() {
2556        CompletableFuture<Integer> f = new CompletableFuture<>();
2557        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2558        FailingNoop r = new FailingNoop();
2559        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2560        f.complete(one);
2561        checkIncomplete(g);
2562        f2.complete(two);
2563        checkCompletedWithWrappedCFException(g);
2564    }
2565
2566    /**
2567     * runAfterBothAsync result completes exceptionally if either source cancelled
2568     */
2569    public void testRunAfterBothAsync4E() {
2570        CompletableFuture<Integer> f = new CompletableFuture<>();
2571        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2572        Noop r = new Noop();
2573        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2574        assertTrue(f.cancel(true));
2575        f2.complete(two);
2576        checkCompletedWithWrappedCancellationException(g);
2577
2578        r = new Noop();
2579        f = new CompletableFuture<>();
2580        f2 = new CompletableFuture<>();
2581        g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2582        f.complete(one);
2583        assertTrue(f2.cancel(true));
2584        checkCompletedWithWrappedCancellationException(g);
2585    }
2586
2587    /**
2595       * applyToEitherAsync result completes normally after normal
2596       * completion of sources
2597       */
# Line 2933 | Line 2940 | public class CompletableFutureTest exten
2940          ThreadExecutor exec = new ThreadExecutor();
2941  
2942          Runnable[] throwingActions = {
2943 <            () -> { CompletableFuture.supplyAsync(null); },
2944 <            () -> { CompletableFuture.supplyAsync(null, exec); },
2945 <            () -> { CompletableFuture.supplyAsync(supplyOne, null); },
2946 <
2947 <            () -> { CompletableFuture.runAsync(null); },
2948 <            () -> { CompletableFuture.runAsync(null, exec); },
2949 <            () -> { CompletableFuture.runAsync(() -> {}, null); },
2950 <
2951 <            () -> { f.completeExceptionally(null); },
2952 <
2953 <            () -> { f.thenApply(null); },
2954 <            () -> { f.thenApplyAsync(null); },
2955 <            () -> { f.thenApplyAsync((x) -> x, null); },
2956 <            () -> { f.thenApplyAsync(null, exec); },
2957 <
2958 <            () -> { f.thenAccept(null); },
2959 <            () -> { f.thenAcceptAsync(null); },
2960 <            () -> { f.thenAcceptAsync((x) -> { ; }, null); },
2961 <            () -> { f.thenAcceptAsync(null, exec); },
2962 <
2963 <            () -> { f.thenRun(null); },
2964 <            () -> { f.thenRunAsync(null); },
2965 <            () -> { f.thenRunAsync(() -> { ; }, null); },
2966 <            () -> { f.thenRunAsync(null, exec); },
2967 <
2968 <            () -> { f.thenCombine(g, null); },
2969 <            () -> { f.thenCombineAsync(g, null); },
2970 <            () -> { f.thenCombineAsync(g, null, exec); },
2971 <            () -> { f.thenCombine(nullFuture, (x, y) -> x); },
2972 <            () -> { f.thenCombineAsync(nullFuture, (x, y) -> x); },
2973 <            () -> { f.thenCombineAsync(nullFuture, (x, y) -> x, exec); },
2974 <            () -> { f.thenCombineAsync(g, (x, y) -> x, null); },
2975 <
2976 <            () -> { f.thenAcceptBoth(g, null); },
2977 <            () -> { f.thenAcceptBothAsync(g, null); },
2978 <            () -> { f.thenAcceptBothAsync(g, null, exec); },
2979 <            () -> { f.thenAcceptBoth(nullFuture, (x, y) -> {}); },
2980 <            () -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}); },
2981 <            () -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec); },
2982 <            () -> { f.thenAcceptBothAsync(g, (x, y) -> {}, null); },
2983 <
2984 <            () -> { f.runAfterBoth(g, null); },
2985 <            () -> { f.runAfterBothAsync(g, null); },
2986 <            () -> { f.runAfterBothAsync(g, null, exec); },
2987 <            () -> { f.runAfterBoth(nullFuture, () -> {}); },
2988 <            () -> { f.runAfterBothAsync(nullFuture, () -> {}); },
2989 <            () -> { f.runAfterBothAsync(nullFuture, () -> {}, exec); },
2990 <            () -> { f.runAfterBothAsync(g, () -> {}, null); },
2991 <
2992 <            () -> { f.applyToEither(g, null); },
2993 <            () -> { f.applyToEitherAsync(g, null); },
2994 <            () -> { f.applyToEitherAsync(g, null, exec); },
2995 <            () -> { f.applyToEither(nullFuture, (x) -> x); },
2996 <            () -> { f.applyToEitherAsync(nullFuture, (x) -> x); },
2997 <            () -> { f.applyToEitherAsync(nullFuture, (x) -> x, exec); },
2998 <            () -> { f.applyToEitherAsync(g, (x) -> x, null); },
2999 <
3000 <            () -> { f.acceptEither(g, null); },
3001 <            () -> { f.acceptEitherAsync(g, null); },
3002 <            () -> { f.acceptEitherAsync(g, null, exec); },
3003 <            () -> { f.acceptEither(nullFuture, (x) -> {}); },
3004 <            () -> { f.acceptEitherAsync(nullFuture, (x) -> {}); },
3005 <            () -> { f.acceptEitherAsync(nullFuture, (x) -> {}, exec); },
3006 <            () -> { f.acceptEitherAsync(g, (x) -> {}, null); },
3007 <
3008 <            () -> { f.runAfterEither(g, null); },
3009 <            () -> { f.runAfterEitherAsync(g, null); },
3010 <            () -> { f.runAfterEitherAsync(g, null, exec); },
3011 <            () -> { f.runAfterEither(nullFuture, () -> {}); },
3012 <            () -> { f.runAfterEitherAsync(nullFuture, () -> {}); },
3013 <            () -> { f.runAfterEitherAsync(nullFuture, () -> {}, exec); },
3014 <            () -> { f.runAfterEitherAsync(g, () -> {}, null); },
3015 <
3016 <            () -> { f.thenCompose(null); },
3017 <            () -> { f.thenComposeAsync(null); },
3018 <            () -> { f.thenComposeAsync(new CompletableFutureInc(), null); },
3019 <            () -> { f.thenComposeAsync(null, exec); },
3020 <
3021 <            () -> { f.exceptionally(null); },
3022 <
3023 <            () -> { f.handle(null); },
3024 <
3025 <            () -> { CompletableFuture.allOf((CompletableFuture<?>)null); },
3026 <            () -> { CompletableFuture.allOf((CompletableFuture<?>[])null); },
3027 <            () -> { CompletableFuture.allOf(f, null); },
3028 <            () -> { CompletableFuture.allOf(null, f); },
3029 <
3030 <            () -> { CompletableFuture.anyOf((CompletableFuture<?>)null); },
3031 <            () -> { CompletableFuture.anyOf((CompletableFuture<?>[])null); },
3032 <            () -> { CompletableFuture.anyOf(f, null); },
3033 <            () -> { CompletableFuture.anyOf(null, f); },
2943 >            () -> CompletableFuture.supplyAsync(null),
2944 >            () -> CompletableFuture.supplyAsync(null, exec),
2945 >            () -> CompletableFuture.supplyAsync(supplyOne, null),
2946 >
2947 >            () -> CompletableFuture.runAsync(null),
2948 >            () -> CompletableFuture.runAsync(null, exec),
2949 >            () -> CompletableFuture.runAsync(() -> {}, null),
2950 >
2951 >            () -> f.completeExceptionally(null),
2952 >
2953 >            () -> f.thenApply(null),
2954 >            () -> f.thenApplyAsync(null),
2955 >            () -> f.thenApplyAsync((x) -> x, null),
2956 >            () -> f.thenApplyAsync(null, exec),
2957 >
2958 >            () -> f.thenAccept(null),
2959 >            () -> f.thenAcceptAsync(null),
2960 >            () -> f.thenAcceptAsync((x) -> {} , null),
2961 >            () -> f.thenAcceptAsync(null, exec),
2962 >
2963 >            () -> f.thenRun(null),
2964 >            () -> f.thenRunAsync(null),
2965 >            () -> f.thenRunAsync(() -> {} , null),
2966 >            () -> f.thenRunAsync(null, exec),
2967 >
2968 >            () -> f.thenCombine(g, null),
2969 >            () -> f.thenCombineAsync(g, null),
2970 >            () -> f.thenCombineAsync(g, null, exec),
2971 >            () -> f.thenCombine(nullFuture, (x, y) -> x),
2972 >            () -> f.thenCombineAsync(nullFuture, (x, y) -> x),
2973 >            () -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
2974 >            () -> f.thenCombineAsync(g, (x, y) -> x, null),
2975 >
2976 >            () -> f.thenAcceptBoth(g, null),
2977 >            () -> f.thenAcceptBothAsync(g, null),
2978 >            () -> f.thenAcceptBothAsync(g, null, exec),
2979 >            () -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
2980 >            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
2981 >            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
2982 >            () -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
2983 >
2984 >            () -> f.runAfterBoth(g, null),
2985 >            () -> f.runAfterBothAsync(g, null),
2986 >            () -> f.runAfterBothAsync(g, null, exec),
2987 >            () -> f.runAfterBoth(nullFuture, () -> {}),
2988 >            () -> f.runAfterBothAsync(nullFuture, () -> {}),
2989 >            () -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
2990 >            () -> f.runAfterBothAsync(g, () -> {}, null),
2991 >
2992 >            () -> f.applyToEither(g, null),
2993 >            () -> f.applyToEitherAsync(g, null),
2994 >            () -> f.applyToEitherAsync(g, null, exec),
2995 >            () -> f.applyToEither(nullFuture, (x) -> x),
2996 >            () -> f.applyToEitherAsync(nullFuture, (x) -> x),
2997 >            () -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
2998 >            () -> f.applyToEitherAsync(g, (x) -> x, null),
2999 >
3000 >            () -> f.acceptEither(g, null),
3001 >            () -> f.acceptEitherAsync(g, null),
3002 >            () -> f.acceptEitherAsync(g, null, exec),
3003 >            () -> f.acceptEither(nullFuture, (x) -> {}),
3004 >            () -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3005 >            () -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3006 >            () -> f.acceptEitherAsync(g, (x) -> {}, null),
3007 >
3008 >            () -> f.runAfterEither(g, null),
3009 >            () -> f.runAfterEitherAsync(g, null),
3010 >            () -> f.runAfterEitherAsync(g, null, exec),
3011 >            () -> f.runAfterEither(nullFuture, () -> {}),
3012 >            () -> f.runAfterEitherAsync(nullFuture, () -> {}),
3013 >            () -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3014 >            () -> f.runAfterEitherAsync(g, () -> {}, null),
3015 >
3016 >            () -> f.thenCompose(null),
3017 >            () -> f.thenComposeAsync(null),
3018 >            () -> f.thenComposeAsync(new CompletableFutureInc(), null),
3019 >            () -> f.thenComposeAsync(null, exec),
3020 >
3021 >            () -> f.exceptionally(null),
3022 >
3023 >            () -> f.handle(null),
3024 >
3025 >            () -> CompletableFuture.allOf((CompletableFuture<?>)null),
3026 >            () -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3027 >            () -> CompletableFuture.allOf(f, null),
3028 >            () -> CompletableFuture.allOf(null, f),
3029 >
3030 >            () -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3031 >            () -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3032 >            () -> CompletableFuture.anyOf(f, null),
3033 >            () -> CompletableFuture.anyOf(null, f),
3034 >
3035 >            () -> f.obtrudeException(null),
3036          };
3037  
3038          assertThrows(NullPointerException.class, throwingActions);

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