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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.48 by jsr166, Mon Jun 2 19:07:14 2014 UTC vs.
Revision 1.72 by jsr166, Fri Jun 6 21:10:34 2014 UTC

# Line 105 | Line 105 | public class CompletableFutureTest exten
105          assertTrue(f.toString().contains("[Completed exceptionally]"));
106      }
107  
108 <    void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
109 <                                              CFException ex) {
108 >    <U> void checkCompletedExceptionallyWithRootCause(CompletableFuture<U> f,
109 >                                                      Throwable ex) {
110          try {
111              f.get(LONG_DELAY_MS, MILLISECONDS);
112              shouldThrow();
# Line 131 | Line 131 | public class CompletableFutureTest exten
131          } catch (ExecutionException success) {
132              assertSame(ex, success.getCause());
133          } catch (Throwable fail) { threadUnexpectedException(fail); }
134 +                                                            
135          assertTrue(f.isDone());
136          assertFalse(f.isCancelled());
137          assertTrue(f.toString().contains("[Completed exceptionally]"));
138      }
139  
140 +    <U> void checkCompletedWithWrappedException(CompletableFuture<U> f,
141 +                                                Throwable ex) {
142 +        checkCompletedExceptionallyWithRootCause(f, ex);
143 +        try {
144 +            CompletableFuture<Throwable> spy = f.handle
145 +                ((U u, Throwable t) -> t);
146 +            assertTrue(spy.join() instanceof CompletionException);
147 +            assertSame(ex, spy.join().getCause());
148 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
149 +    }
150 +
151 +    <U> void checkCompletedExceptionally(CompletableFuture<U> f, Throwable ex) {
152 +        checkCompletedExceptionallyWithRootCause(f, ex);
153 +        try {
154 +            CompletableFuture<Throwable> spy = f.handle
155 +                ((U u, Throwable t) -> t);
156 +            assertSame(ex, spy.join());
157 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
158 +    }
159 +
160      void checkCancelled(CompletableFuture<?> f) {
161          try {
162              f.get(LONG_DELAY_MS, MILLISECONDS);
# Line 218 | Line 239 | public class CompletableFutureTest exten
239       */
240      public void testCompleteExceptionally() {
241          CompletableFuture<Integer> f = new CompletableFuture<>();
242 +        CFException ex = new CFException();
243          checkIncomplete(f);
244 <        f.completeExceptionally(new CFException());
245 <        checkCompletedWithWrappedCFException(f);
244 >        f.completeExceptionally(ex);
245 >        checkCompletedExceptionally(f, ex);
246      }
247  
248      /**
# Line 261 | Line 283 | public class CompletableFutureTest exten
283       * obtrudeException forces completion with given exception
284       */
285      public void testObtrudeException() {
286 <        CompletableFuture<Integer> f = new CompletableFuture<>();
287 <        checkIncomplete(f);
288 <        f.complete(one);
289 <        checkCompletedNormally(f, one);
290 <        f.obtrudeException(new CFException());
269 <        checkCompletedWithWrappedCFException(f);
286 >        for (Integer v1 : new Integer[] { 1, null })
287 >    {
288 >        CFException ex;
289 >        CompletableFuture<Integer> f;
290 >
291          f = new CompletableFuture<>();
292 <        f.obtrudeException(new CFException());
293 <        checkCompletedWithWrappedCFException(f);
292 >        f.complete(v1);
293 >        for (int i = 0; i < 2; i++) {
294 >            f.obtrudeException(ex = new CFException());
295 >            checkCompletedExceptionally(f, ex);
296 >        }
297 >
298 >        f = new CompletableFuture<>();
299 >        for (int i = 0; i < 2; i++) {
300 >            f.obtrudeException(ex = new CFException());
301 >            checkCompletedExceptionally(f, ex);
302 >        }
303 >
304          f = new CompletableFuture<>();
305 +        f.completeExceptionally(ex = new CFException());
306 +        f.obtrudeValue(v1);
307 +        checkCompletedNormally(f, v1);
308 +        f.obtrudeException(ex = new CFException());
309 +        checkCompletedExceptionally(f, ex);
310          f.completeExceptionally(new CFException());
311 <        f.obtrudeValue(four);
312 <        checkCompletedNormally(f, four);
313 <        f.obtrudeException(new CFException());
314 <        checkCompletedWithWrappedCFException(f);
279 <    }
311 >        checkCompletedExceptionally(f, ex);
312 >        f.complete(v1);
313 >        checkCompletedExceptionally(f, ex);
314 >    }}
315  
316      /**
317       * getNumberOfDependents returns number of dependent tasks
# Line 284 | Line 319 | public class CompletableFutureTest exten
319      public void testGetNumberOfDependents() {
320          CompletableFuture<Integer> f = new CompletableFuture<>();
321          assertEquals(0, f.getNumberOfDependents());
322 <        CompletableFuture g = f.thenRun(new Noop());
322 >        CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
323          assertEquals(1, f.getNumberOfDependents());
324          assertEquals(0, g.getNumberOfDependents());
325 <        CompletableFuture h = f.thenRun(new Noop());
325 >        CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
326          assertEquals(2, f.getNumberOfDependents());
327          f.complete(1);
328          checkCompletedNormally(g, null);
# Line 320 | Line 355 | public class CompletableFutureTest exten
355          checkCompletedNormally(f, "test");
356      }
357  
358 <    // Choose non-commutative actions for better coverage
358 >    abstract class CheckedAction {
359 >        int invocationCount = 0;
360 >        final ExecutionMode m;
361 >        CheckedAction(ExecutionMode m) { this.m = m; }
362 >        void invoked() {
363 >            m.checkExecutionMode();
364 >            assertEquals(0, invocationCount++);
365 >        }
366 >        void assertNotInvoked() { assertEquals(0, invocationCount); }
367 >        void assertInvoked() { assertEquals(1, invocationCount); }
368 >    }
369  
370 <    // A non-commutative function that handles and produces null values as well.
371 <    static Integer subtract(Integer x, Integer y) {
372 <        return (x == null && y == null) ? null :
373 <            ((x == null) ? 42 : x.intValue())
374 <            - ((y == null) ? 99 : y.intValue());
370 >    abstract class CheckedIntegerAction extends CheckedAction {
371 >        Integer value;
372 >        CheckedIntegerAction(ExecutionMode m) { super(m); }
373 >        void assertValue(Integer expected) {
374 >            assertInvoked();
375 >            assertEquals(expected, value);
376 >        }
377 >    }
378 >
379 >    class IntegerSupplier extends CheckedAction
380 >        implements Supplier<Integer>
381 >    {
382 >        final Integer value;
383 >        IntegerSupplier(ExecutionMode m, Integer value) {
384 >            super(m);
385 >            this.value = value;
386 >        }
387 >        public Integer get() {
388 >            invoked();
389 >            return value;
390 >        }
391      }
392  
393      // A function that handles and produces null values as well.
# Line 334 | Line 395 | public class CompletableFutureTest exten
395          return (x == null) ? null : x + 1;
396      }
397  
398 <    static final Supplier<Integer> supplyOne =
399 <        () -> Integer.valueOf(1);
400 <    static final Function<Integer, Integer> inc =
401 <        (Integer x) -> Integer.valueOf(x.intValue() + 1);
341 <    static final BiFunction<Integer, Integer, Integer> subtract =
342 <        (Integer x, Integer y) -> subtract(x, y);
343 <    static final class IncAction implements Consumer<Integer> {
344 <        int invocationCount = 0;
345 <        Integer value;
398 >    class NoopConsumer extends CheckedIntegerAction
399 >        implements Consumer<Integer>
400 >    {
401 >        NoopConsumer(ExecutionMode m) { super(m); }
402          public void accept(Integer x) {
403 <            invocationCount++;
404 <            value = inc(x);
403 >            invoked();
404 >            value = x;
405          }
406      }
407 <    static final class IncFunction implements Function<Integer,Integer> {
408 <        int invocationCount = 0;
409 <        Integer value;
407 >
408 >    class IncFunction extends CheckedIntegerAction
409 >        implements Function<Integer,Integer>
410 >    {
411 >        IncFunction(ExecutionMode m) { super(m); }
412          public Integer apply(Integer x) {
413 <            invocationCount++;
413 >            invoked();
414              return value = inc(x);
415          }
416      }
417 <    static final class SubtractAction implements BiConsumer<Integer, Integer> {
418 <        int invocationCount = 0;
419 <        Integer value;
420 <        // Check this action was invoked exactly once when result is computed.
417 >
418 >    // Choose non-commutative actions for better coverage
419 >    // A non-commutative function that handles and produces null values as well.
420 >    static Integer subtract(Integer x, Integer y) {
421 >        return (x == null && y == null) ? null :
422 >            ((x == null) ? 42 : x.intValue())
423 >            - ((y == null) ? 99 : y.intValue());
424 >    }
425 >
426 >    class SubtractAction extends CheckedIntegerAction
427 >        implements BiConsumer<Integer, Integer>
428 >    {
429 >        SubtractAction(ExecutionMode m) { super(m); }
430          public void accept(Integer x, Integer y) {
431 <            invocationCount++;
431 >            invoked();
432              value = subtract(x, y);
433          }
434      }
435 <    static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
436 <        int invocationCount = 0;
437 <        Integer value;
438 <        // Check this action was invoked exactly once when result is computed.
435 >
436 >    class SubtractFunction extends CheckedIntegerAction
437 >        implements BiFunction<Integer, Integer, Integer>
438 >    {
439 >        SubtractFunction(ExecutionMode m) { super(m); }
440          public Integer apply(Integer x, Integer y) {
441 <            invocationCount++;
441 >            invoked();
442              return value = subtract(x, y);
443          }
444      }
445 <    static final class Noop implements Runnable {
446 <        int invocationCount = 0;
445 >
446 >    class Noop extends CheckedAction implements Runnable {
447 >        Noop(ExecutionMode m) { super(m); }
448          public void run() {
449 <            invocationCount++;
449 >            invoked();
450          }
451      }
452  
453 <    static final class FailingSupplier implements Supplier<Integer> {
454 <        int invocationCount = 0;
453 >    class FailingSupplier extends CheckedAction
454 >        implements Supplier<Integer>
455 >    {
456 >        FailingSupplier(ExecutionMode m) { super(m); }
457          public Integer get() {
458 <            invocationCount++;
458 >            invoked();
459              throw new CFException();
460          }
461      }
462 <    static final class FailingConsumer implements Consumer<Integer> {
463 <        int invocationCount = 0;
462 >
463 >    class FailingConsumer extends CheckedIntegerAction
464 >        implements Consumer<Integer>
465 >    {
466 >        FailingConsumer(ExecutionMode m) { super(m); }
467          public void accept(Integer x) {
468 <            invocationCount++;
468 >            invoked();
469 >            value = x;
470              throw new CFException();
471          }
472      }
473 <    static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
474 <        int invocationCount = 0;
473 >
474 >    class FailingBiConsumer extends CheckedIntegerAction
475 >        implements BiConsumer<Integer, Integer>
476 >    {
477 >        FailingBiConsumer(ExecutionMode m) { super(m); }
478          public void accept(Integer x, Integer y) {
479 <            invocationCount++;
479 >            invoked();
480 >            value = subtract(x, y);
481              throw new CFException();
482          }
483      }
484 <    static final class FailingFunction implements Function<Integer, Integer> {
485 <        int invocationCount = 0;
484 >
485 >    class FailingFunction extends CheckedIntegerAction
486 >        implements Function<Integer, Integer>
487 >    {
488 >        FailingFunction(ExecutionMode m) { super(m); }
489          public Integer apply(Integer x) {
490 <            invocationCount++;
490 >            invoked();
491 >            value = x;
492              throw new CFException();
493          }
494      }
495 <    static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
496 <        int invocationCount = 0;
495 >
496 >    class FailingBiFunction extends CheckedIntegerAction
497 >        implements BiFunction<Integer, Integer, Integer>
498 >    {
499 >        FailingBiFunction(ExecutionMode m) { super(m); }
500          public Integer apply(Integer x, Integer y) {
501 <            invocationCount++;
501 >            invoked();
502 >            value = subtract(x, y);
503              throw new CFException();
504          }
505      }
506 <    static final class FailingNoop implements Runnable {
507 <        int invocationCount = 0;
506 >
507 >    class FailingRunnable extends CheckedAction implements Runnable {
508 >        FailingRunnable(ExecutionMode m) { super(m); }
509          public void run() {
510 <            invocationCount++;
510 >            invoked();
511              throw new CFException();
512          }
513      }
514  
515 <    static final class CompletableFutureInc
516 <        implements Function<Integer, CompletableFuture<Integer>> {
517 <        int invocationCount = 0;
515 >
516 >    class CompletableFutureInc extends CheckedIntegerAction
517 >        implements Function<Integer, CompletableFuture<Integer>>
518 >    {
519 >        CompletableFutureInc(ExecutionMode m) { super(m); }
520          public CompletableFuture<Integer> apply(Integer x) {
521 <            invocationCount++;
521 >            invoked();
522 >            value = x;
523              CompletableFuture<Integer> f = new CompletableFuture<>();
524              f.complete(inc(x));
525              return f;
526          }
527      }
528  
529 <    static final class FailingCompletableFutureFunction
530 <        implements Function<Integer, CompletableFuture<Integer>> {
531 <        int invocationCount = 0;
529 >    class FailingCompletableFutureFunction extends CheckedIntegerAction
530 >        implements Function<Integer, CompletableFuture<Integer>>
531 >    {
532 >        FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
533          public CompletableFuture<Integer> apply(Integer x) {
534 <            invocationCount++;
534 >            invoked();
535 >            value = x;
536              throw new CFException();
537          }
538      }
539  
540      // Used for explicit executor tests
541      static final class ThreadExecutor implements Executor {
542 <        AtomicInteger count = new AtomicInteger(0);
542 >        final AtomicInteger count = new AtomicInteger(0);
543 >        static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
544 >        static boolean startedCurrentThread() {
545 >            return Thread.currentThread().getThreadGroup() == tg;
546 >        }
547  
548          public void execute(Runnable r) {
549              count.getAndIncrement();
550 <            new Thread(r).start();
550 >            new Thread(tg, r).start();
551          }
552      }
553  
554      /**
555       * Permits the testing of parallel code for the 3 different
556 <     * execution modes without repeating all the testing code.
556 >     * execution modes without copy/pasting all the test methods.
557       */
558      enum ExecutionMode {
559          DEFAULT {
560              public void checkExecutionMode() {
561 +                assertFalse(ThreadExecutor.startedCurrentThread());
562                  assertNull(ForkJoinTask.getPool());
563              }
564 +            public CompletableFuture<Void> runAsync(Runnable a) {
565 +                throw new UnsupportedOperationException();
566 +            }
567 +            public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
568 +                throw new UnsupportedOperationException();
569 +            }
570              public <T> CompletableFuture<Void> thenRun
571                  (CompletableFuture<T> f, Runnable a) {
572                  return f.thenRun(a);
# Line 531 | Line 635 | public class CompletableFutureTest exten
635                  assertSame(ForkJoinPool.commonPool(),
636                             ForkJoinTask.getPool());
637              }
638 +            public CompletableFuture<Void> runAsync(Runnable a) {
639 +                return CompletableFuture.runAsync(a);
640 +            }
641 +            public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
642 +                return CompletableFuture.supplyAsync(a);
643 +            }
644              public <T> CompletableFuture<Void> thenRun
645                  (CompletableFuture<T> f, Runnable a) {
646                  return f.thenRunAsync(a);
# Line 596 | Line 706 | public class CompletableFutureTest exten
706  
707          EXECUTOR {
708              public void checkExecutionMode() {
709 <                //TODO
709 >                assertTrue(ThreadExecutor.startedCurrentThread());
710 >            }
711 >            public CompletableFuture<Void> runAsync(Runnable a) {
712 >                return CompletableFuture.runAsync(a, new ThreadExecutor());
713 >            }
714 >            public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
715 >                return CompletableFuture.supplyAsync(a, new ThreadExecutor());
716              }
717              public <T> CompletableFuture<Void> thenRun
718                  (CompletableFuture<T> f, Runnable a) {
# Line 662 | Line 778 | public class CompletableFutureTest exten
778          };
779  
780          public abstract void checkExecutionMode();
781 +        public abstract CompletableFuture<Void> runAsync(Runnable a);
782 +        public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
783          public abstract <T> CompletableFuture<Void> thenRun
784              (CompletableFuture<T> f, Runnable a);
785          public abstract <T> CompletableFuture<Void> thenAccept
# Line 740 | Line 858 | public class CompletableFutureTest exten
858          if (!createIncomplete) f.completeExceptionally(ex);
859          final CompletableFuture<Integer> g = f.exceptionally
860              ((Throwable t) -> {
861 +                ExecutionMode.DEFAULT.checkExecutionMode();
862                  threadAssertSame(t, ex);
863                  a.getAndIncrement();
864                  return v1;
# Line 761 | Line 880 | public class CompletableFutureTest exten
880          if (!createIncomplete) f.completeExceptionally(ex1);
881          final CompletableFuture<Integer> g = f.exceptionally
882              ((Throwable t) -> {
883 +                ExecutionMode.DEFAULT.checkExecutionMode();
884                  threadAssertSame(t, ex1);
885                  a.getAndIncrement();
886                  throw ex2;
887              });
888          if (createIncomplete) f.completeExceptionally(ex1);
889  
890 <        checkCompletedWithWrappedCFException(g, ex2);
890 >        checkCompletedWithWrappedException(g, ex2);
891          assertEquals(1, a.get());
892      }}
893  
# Line 786 | Line 906 | public class CompletableFutureTest exten
906          final CompletableFuture<Integer> g = m.handle
907              (f,
908               (Integer x, Throwable t) -> {
909 +                m.checkExecutionMode();
910                  threadAssertSame(x, v1);
911                  threadAssertNull(t);
912                  a.getAndIncrement();
# Line 814 | Line 935 | public class CompletableFutureTest exten
935          final CompletableFuture<Integer> g = m.handle
936              (f,
937               (Integer x, Throwable t) -> {
938 +                m.checkExecutionMode();
939                  threadAssertNull(x);
940                  threadAssertSame(t, ex);
941                  a.getAndIncrement();
# Line 822 | Line 944 | public class CompletableFutureTest exten
944          if (createIncomplete) f.completeExceptionally(ex);
945  
946          checkCompletedNormally(g, v1);
947 <        checkCompletedWithWrappedCFException(f, ex);
947 >        checkCompletedExceptionally(f, ex);
948          assertEquals(1, a.get());
949      }}
950  
# Line 842 | Line 964 | public class CompletableFutureTest exten
964          final CompletableFuture<Integer> g = m.handle
965              (f,
966               (Integer x, Throwable t) -> {
967 +                m.checkExecutionMode();
968                  threadAssertNull(x);
969                  threadAssertTrue(t instanceof CancellationException);
970                  a.getAndIncrement();
# Line 869 | Line 992 | public class CompletableFutureTest exten
992          final CompletableFuture<Integer> g = m.handle
993              (f,
994               (Integer x, Throwable t) -> {
995 +                m.checkExecutionMode();
996                  threadAssertNull(x);
997                  threadAssertSame(ex1, t);
998                  a.getAndIncrement();
# Line 876 | Line 1000 | public class CompletableFutureTest exten
1000              });
1001          if (createIncomplete) f.completeExceptionally(ex1);
1002  
1003 <        checkCompletedWithWrappedCFException(g, ex2);
1004 <        checkCompletedWithWrappedCFException(f, ex1);
1003 >        checkCompletedWithWrappedException(g, ex2);
1004 >        checkCompletedExceptionally(f, ex1);
1005          assertEquals(1, a.get());
1006      }}
1007  
# Line 893 | Line 1017 | public class CompletableFutureTest exten
1017          final CompletableFuture<Integer> g = m.handle
1018              (f,
1019               (Integer x, Throwable t) -> {
1020 +                m.checkExecutionMode();
1021                  threadAssertSame(x, v1);
1022                  threadAssertNull(t);
1023                  a.getAndIncrement();
# Line 900 | Line 1025 | public class CompletableFutureTest exten
1025              });
1026          if (createIncomplete) f.complete(v1);
1027  
1028 <        checkCompletedWithWrappedCFException(g, ex);
1028 >        checkCompletedWithWrappedException(g, ex);
1029          checkCompletedNormally(f, v1);
1030          assertEquals(1, a.get());
1031      }}
# Line 908 | Line 1033 | public class CompletableFutureTest exten
1033      /**
1034       * runAsync completes after running Runnable
1035       */
1036 <    public void testRunAsync() {
1037 <        Noop r = new Noop();
1038 <        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1039 <        assertNull(f.join());
1040 <        assertEquals(1, r.invocationCount);
1041 <        checkCompletedNormally(f, null);
1042 <    }
1043 <
1044 <    /**
920 <     * runAsync with executor completes after running Runnable
921 <     */
922 <    public void testRunAsync2() {
923 <        Noop r = new Noop();
924 <        ThreadExecutor exec = new ThreadExecutor();
925 <        CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1036 >    public void testRunAsync_normalCompletion() {
1037 >        ExecutionMode[] executionModes = {
1038 >            ExecutionMode.ASYNC,
1039 >            ExecutionMode.EXECUTOR,
1040 >        };
1041 >        for (ExecutionMode m : executionModes)
1042 >    {
1043 >        final Noop r = new Noop(m);
1044 >        final CompletableFuture<Void> f = m.runAsync(r);
1045          assertNull(f.join());
927        assertEquals(1, r.invocationCount);
1046          checkCompletedNormally(f, null);
1047 <        assertEquals(1, exec.count.get());
1048 <    }
1047 >        r.assertInvoked();
1048 >    }}
1049  
1050      /**
1051       * failing runAsync completes exceptionally after running Runnable
1052       */
1053 <    public void testRunAsync3() {
1054 <        FailingNoop r = new FailingNoop();
1055 <        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1053 >    public void testRunAsync_exceptionalCompletion() {
1054 >        ExecutionMode[] executionModes = {
1055 >            ExecutionMode.ASYNC,
1056 >            ExecutionMode.EXECUTOR,
1057 >        };
1058 >        for (ExecutionMode m : executionModes)
1059 >    {
1060 >        final FailingRunnable r = new FailingRunnable(m);
1061 >        final CompletableFuture<Void> f = m.runAsync(r);
1062          checkCompletedWithWrappedCFException(f);
1063 <        assertEquals(1, r.invocationCount);
1064 <    }
1063 >        r.assertInvoked();
1064 >    }}
1065  
1066      /**
1067       * supplyAsync completes with result of supplier
1068       */
1069 <    public void testSupplyAsync() {
1070 <        CompletableFuture<Integer> f;
1071 <        f = CompletableFuture.supplyAsync(supplyOne);
1072 <        assertEquals(f.join(), one);
1073 <        checkCompletedNormally(f, one);
1074 <    }
1075 <
1076 <    /**
1077 <     * supplyAsync with executor completes with result of supplier
1078 <     */
1079 <    public void testSupplyAsync2() {
1080 <        CompletableFuture<Integer> f;
1081 <        f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1082 <        assertEquals(f.join(), one);
959 <        checkCompletedNormally(f, one);
960 <    }
1069 >    public void testSupplyAsync_normalCompletion() {
1070 >        ExecutionMode[] executionModes = {
1071 >            ExecutionMode.ASYNC,
1072 >            ExecutionMode.EXECUTOR,
1073 >        };
1074 >        for (ExecutionMode m : executionModes)
1075 >        for (Integer v1 : new Integer[] { 1, null })
1076 >    {
1077 >        final IntegerSupplier r = new IntegerSupplier(m, v1);
1078 >        final CompletableFuture<Integer> f = m.supplyAsync(r);
1079 >        assertSame(v1, f.join());
1080 >        checkCompletedNormally(f, v1);
1081 >        r.assertInvoked();
1082 >    }}
1083  
1084      /**
1085       * Failing supplyAsync completes exceptionally
1086       */
1087 <    public void testSupplyAsync3() {
1088 <        FailingSupplier r = new FailingSupplier();
1089 <        CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1087 >    public void testSupplyAsync_exceptionalCompletion() {
1088 >        ExecutionMode[] executionModes = {
1089 >            ExecutionMode.ASYNC,
1090 >            ExecutionMode.EXECUTOR,
1091 >        };
1092 >        for (ExecutionMode m : executionModes)
1093 >    {
1094 >        FailingSupplier r = new FailingSupplier(m);
1095 >        CompletableFuture<Integer> f = m.supplyAsync(r);
1096          checkCompletedWithWrappedCFException(f);
1097 <        assertEquals(1, r.invocationCount);
1098 <    }
1097 >        r.assertInvoked();
1098 >    }}
1099  
1100      // seq completion methods
1101  
# Line 980 | Line 1108 | public class CompletableFutureTest exten
1108          for (Integer v1 : new Integer[] { 1, null })
1109      {
1110          final CompletableFuture<Integer> f = new CompletableFuture<>();
1111 <        final Noop r = new Noop();
1111 >        final Noop r = new Noop(m);
1112          if (!createIncomplete) f.complete(v1);
1113          final CompletableFuture<Void> g = m.thenRun(f, r);
1114 <        if (createIncomplete) f.complete(v1);
1114 >        if (createIncomplete) {
1115 >            checkIncomplete(g);
1116 >            f.complete(v1);
1117 >        }
1118  
1119          checkCompletedNormally(g, null);
1120          checkCompletedNormally(f, v1);
1121 <        assertEquals(1, r.invocationCount);
1121 >        r.assertInvoked();
1122      }}
1123  
1124      /**
# Line 1000 | Line 1131 | public class CompletableFutureTest exten
1131      {
1132          final CFException ex = new CFException();
1133          final CompletableFuture<Integer> f = new CompletableFuture<>();
1134 <        final Noop r = new Noop();
1134 >        final Noop r = new Noop(m);
1135          if (!createIncomplete) f.completeExceptionally(ex);
1136          final CompletableFuture<Void> g = m.thenRun(f, r);
1137 <        if (createIncomplete) f.completeExceptionally(ex);
1137 >        if (createIncomplete) {
1138 >            checkIncomplete(g);
1139 >            f.completeExceptionally(ex);
1140 >        }
1141  
1142 <        checkCompletedWithWrappedCFException(g, ex);
1143 <        checkCompletedWithWrappedCFException(f, ex);
1144 <        assertEquals(0, r.invocationCount);
1142 >        checkCompletedWithWrappedException(g, ex);
1143 >        checkCompletedExceptionally(f, ex);
1144 >        r.assertNotInvoked();
1145      }}
1146  
1147      /**
# Line 1019 | Line 1153 | public class CompletableFutureTest exten
1153          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1154      {
1155          final CompletableFuture<Integer> f = new CompletableFuture<>();
1156 <        final Noop r = new Noop();
1156 >        final Noop r = new Noop(m);
1157          if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1158 <        final CompletableFuture<Void> g = f.thenRun(r);
1159 <        if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1158 >        final CompletableFuture<Void> g = m.thenRun(f, r);
1159 >        if (createIncomplete) {
1160 >            checkIncomplete(g);
1161 >            assertTrue(f.cancel(mayInterruptIfRunning));
1162 >        }
1163  
1164          checkCompletedWithWrappedCancellationException(g);
1165          checkCancelled(f);
1166 <        assertEquals(0, r.invocationCount);
1166 >        r.assertNotInvoked();
1167      }}
1168  
1169      /**
# Line 1038 | Line 1175 | public class CompletableFutureTest exten
1175          for (Integer v1 : new Integer[] { 1, null })
1176      {
1177          final CompletableFuture<Integer> f = new CompletableFuture<>();
1178 <        final FailingNoop r = new FailingNoop();
1178 >        final FailingRunnable r = new FailingRunnable(m);
1179          if (!createIncomplete) f.complete(v1);
1180 <        final CompletableFuture<Void> g = f.thenRun(r);
1181 <        if (createIncomplete) f.complete(v1);
1180 >        final CompletableFuture<Void> g = m.thenRun(f, r);
1181 >        if (createIncomplete) {
1182 >            checkIncomplete(g);
1183 >            f.complete(v1);
1184 >        }
1185  
1186          checkCompletedWithWrappedCFException(g);
1187          checkCompletedNormally(f, v1);
# Line 1050 | Line 1190 | public class CompletableFutureTest exten
1190      /**
1191       * thenApply result completes normally after normal completion of source
1192       */
1193 <    public void testThenApply() {
1054 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1055 <        CompletableFuture<Integer> g = f.thenApply(inc);
1056 <        f.complete(one);
1057 <        checkCompletedNormally(g, two);
1058 <    }
1059 <
1060 <    /**
1061 <     * thenApply result completes exceptionally after exceptional
1062 <     * completion of source
1063 <     */
1064 <    public void testThenApply2() {
1065 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1066 <        CompletableFuture<Integer> g = f.thenApply(inc);
1067 <        f.completeExceptionally(new CFException());
1068 <        checkCompletedWithWrappedCFException(g);
1069 <    }
1070 <
1071 <    /**
1072 <     * thenApply result completes exceptionally if action does
1073 <     */
1074 <    public void testThenApply3() {
1075 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1076 <        CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1077 <        f.complete(one);
1078 <        checkCompletedWithWrappedCFException(g);
1079 <    }
1080 <
1081 <    /**
1082 <     * thenApply result completes exceptionally if source cancelled
1083 <     */
1084 <    public void testThenApply4() {
1085 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1086 <        CompletableFuture<Integer> g = f.thenApply(inc);
1087 <        assertTrue(f.cancel(true));
1088 <        checkCompletedWithWrappedCancellationException(g);
1089 <    }
1090 <
1091 <    /**
1092 <     * thenAccept result completes normally after normal completion of source
1093 <     */
1094 <    public void testThenAccept() {
1095 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1096 <        IncAction r = new IncAction();
1097 <        CompletableFuture<Void> g = f.thenAccept(r);
1098 <        f.complete(one);
1099 <        checkCompletedNormally(g, null);
1100 <        assertEquals(r.value, (Integer) 2);
1101 <    }
1102 <
1103 <    /**
1104 <     * thenAccept result completes exceptionally after exceptional
1105 <     * completion of source
1106 <     */
1107 <    public void testThenAccept2() {
1108 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1109 <        IncAction r = new IncAction();
1110 <        CompletableFuture<Void> g = f.thenAccept(r);
1111 <        f.completeExceptionally(new CFException());
1112 <        checkCompletedWithWrappedCFException(g);
1113 <    }
1114 <
1115 <    /**
1116 <     * thenAccept result completes exceptionally if action does
1117 <     */
1118 <    public void testThenAccept3() {
1119 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1120 <        FailingConsumer r = new FailingConsumer();
1121 <        CompletableFuture<Void> g = f.thenAccept(r);
1122 <        f.complete(one);
1123 <        checkCompletedWithWrappedCFException(g);
1124 <        assertEquals(1, r.invocationCount);
1125 <    }
1126 <
1127 <    /**
1128 <     * thenAccept result completes exceptionally if source cancelled
1129 <     */
1130 <    public void testThenAccept4() {
1131 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1132 <        IncAction r = new IncAction();
1133 <        CompletableFuture<Void> g = f.thenAccept(r);
1134 <        assertTrue(f.cancel(true));
1135 <        checkCompletedWithWrappedCancellationException(g);
1136 <    }
1137 <
1138 <    /**
1139 <     * thenCombine result completes normally after normal completion
1140 <     * of sources
1141 <     */
1142 <    public void testThenCombine_normalCompletion1() {
1143 <        for (boolean createIncomplete : new boolean[] { true, false })
1144 <        for (boolean fFirst : new boolean[] { true, false })
1193 >    public void testThenApply_normalCompletion() {
1194          for (ExecutionMode m : ExecutionMode.values())
1195 +        for (boolean createIncomplete : new boolean[] { true, false })
1196          for (Integer v1 : new Integer[] { 1, null })
1147        for (Integer v2 : new Integer[] { 2, null })
1197      {
1198          final CompletableFuture<Integer> f = new CompletableFuture<>();
1199 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1200 <        final SubtractFunction r = new SubtractFunction();
1201 <        CompletableFuture<Integer> h = null;
1202 <        if (createIncomplete) h = m.thenCombine(f, g, r);
1203 <
1155 <        if (fFirst)
1156 <            f.complete(v1);
1157 <        else
1158 <            g.complete(v2);
1159 <        if (createIncomplete) checkIncomplete(h);
1160 <        assertEquals(0, r.invocationCount);
1161 <        if (!fFirst)
1199 >        final IncFunction r = new IncFunction(m);
1200 >        if (!createIncomplete) f.complete(v1);
1201 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1202 >        if (createIncomplete) {
1203 >            checkIncomplete(g);
1204              f.complete(v1);
1205 <        else
1164 <            g.complete(v2);
1165 <        if (!createIncomplete) h = m.thenCombine(f, g, r);
1205 >        }
1206  
1207 <        checkCompletedNormally(h, subtract(v1, v2));
1207 >        checkCompletedNormally(g, inc(v1));
1208          checkCompletedNormally(f, v1);
1209 <        checkCompletedNormally(g, v2);
1170 <        assertEquals(1, r.invocationCount);
1209 >        r.assertValue(inc(v1));
1210      }}
1211  
1212      /**
1213 <     * thenCombine result completes exceptionally after exceptional
1214 <     * completion of either source
1213 >     * thenApply result completes exceptionally after exceptional
1214 >     * completion of source
1215       */
1216 <    public void testThenCombine_exceptionalCompletion1() {
1216 >    public void testThenApply_exceptionalCompletion() {
1217          for (ExecutionMode m : ExecutionMode.values())
1218 <        for (Integer v1 : new Integer[] { 1, null })
1218 >        for (boolean createIncomplete : new boolean[] { true, false })
1219      {
1181        final CompletableFuture<Integer> f = new CompletableFuture<>();
1182        final CompletableFuture<Integer> g = new CompletableFuture<>();
1183        final SubtractFunction r = new SubtractFunction();
1184        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1220          final CFException ex = new CFException();
1186
1187        f.completeExceptionally(ex);
1188        checkIncomplete(h);
1189        g.complete(v1);
1190
1191        checkCompletedWithWrappedCFException(h, ex);
1192        checkCompletedWithWrappedCFException(f, ex);
1193        assertEquals(0, r.invocationCount);
1194        checkCompletedNormally(g, v1);
1195    }}
1196
1197    public void testThenCombine_exceptionalCompletion2() {
1198        for (ExecutionMode m : ExecutionMode.values())
1199        for (Integer v1 : new Integer[] { 1, null })
1200    {
1221          final CompletableFuture<Integer> f = new CompletableFuture<>();
1222 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1223 <        final SubtractFunction r = new SubtractFunction();
1224 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1225 <        final CFException ex = new CFException();
1226 <
1227 <        g.completeExceptionally(ex);
1228 <        checkIncomplete(h);
1209 <        f.complete(v1);
1222 >        final IncFunction r = new IncFunction(m);
1223 >        if (!createIncomplete) f.completeExceptionally(ex);
1224 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1225 >        if (createIncomplete) {
1226 >            checkIncomplete(g);
1227 >            f.completeExceptionally(ex);
1228 >        }
1229  
1230 <        checkCompletedWithWrappedCFException(h, ex);
1231 <        checkCompletedWithWrappedCFException(g, ex);
1232 <        assertEquals(0, r.invocationCount);
1214 <        checkCompletedNormally(f, v1);
1230 >        checkCompletedWithWrappedException(g, ex);
1231 >        checkCompletedExceptionally(f, ex);
1232 >        r.assertNotInvoked();
1233      }}
1234  
1235 <    public void testThenCombine_exceptionalCompletion3() {
1235 >    /**
1236 >     * thenApply result completes exceptionally if source cancelled
1237 >     */
1238 >    public void testThenApply_sourceCancelled() {
1239          for (ExecutionMode m : ExecutionMode.values())
1240 <        for (Integer v1 : new Integer[] { 1, null })
1240 >        for (boolean createIncomplete : new boolean[] { true, false })
1241 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1242      {
1243          final CompletableFuture<Integer> f = new CompletableFuture<>();
1244 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1245 <        final SubtractFunction r = new SubtractFunction();
1246 <        final CFException ex = new CFException();
1247 <
1248 <        g.completeExceptionally(ex);
1249 <        f.complete(v1);
1250 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1244 >        final IncFunction r = new IncFunction(m);
1245 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1246 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1247 >        if (createIncomplete) {
1248 >            checkIncomplete(g);
1249 >            assertTrue(f.cancel(mayInterruptIfRunning));
1250 >        }
1251  
1252 <        checkCompletedWithWrappedCFException(h, ex);
1253 <        checkCompletedWithWrappedCFException(g, ex);
1254 <        assertEquals(0, r.invocationCount);
1233 <        checkCompletedNormally(f, v1);
1252 >        checkCompletedWithWrappedCancellationException(g);
1253 >        checkCancelled(f);
1254 >        r.assertNotInvoked();
1255      }}
1256  
1257 <    public void testThenCombine_exceptionalCompletion4() {
1257 >    /**
1258 >     * thenApply result completes exceptionally if action does
1259 >     */
1260 >    public void testThenApply_actionFailed() {
1261          for (ExecutionMode m : ExecutionMode.values())
1262 +        for (boolean createIncomplete : new boolean[] { true, false })
1263          for (Integer v1 : new Integer[] { 1, null })
1264      {
1265          final CompletableFuture<Integer> f = new CompletableFuture<>();
1266 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1267 <        final SubtractFunction r = new SubtractFunction();
1268 <        final CFException ex = new CFException();
1269 <
1270 <        f.completeExceptionally(ex);
1271 <        g.complete(v1);
1272 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1266 >        final FailingFunction r = new FailingFunction(m);
1267 >        if (!createIncomplete) f.complete(v1);
1268 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1269 >        if (createIncomplete) {
1270 >            checkIncomplete(g);
1271 >            f.complete(v1);
1272 >        }
1273  
1274 <        checkCompletedWithWrappedCFException(h, ex);
1275 <        checkCompletedWithWrappedCFException(f, ex);
1251 <        assertEquals(0, r.invocationCount);
1252 <        checkCompletedNormally(g, v1);
1274 >        checkCompletedWithWrappedCFException(g);
1275 >        checkCompletedNormally(f, v1);
1276      }}
1277  
1278      /**
1279 <     * thenCombine result completes exceptionally if action does
1279 >     * thenAccept result completes normally after normal completion of source
1280       */
1281 <    public void testThenCombine_actionFailed1() {
1281 >    public void testThenAccept_normalCompletion() {
1282          for (ExecutionMode m : ExecutionMode.values())
1283 +        for (boolean createIncomplete : new boolean[] { true, false })
1284          for (Integer v1 : new Integer[] { 1, null })
1261        for (Integer v2 : new Integer[] { 2, null })
1285      {
1286          final CompletableFuture<Integer> f = new CompletableFuture<>();
1287 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1288 <        final FailingBiFunction r = new FailingBiFunction();
1289 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1290 <
1291 <        f.complete(v1);
1292 <        checkIncomplete(h);
1293 <        g.complete(v2);
1287 >        final NoopConsumer r = new NoopConsumer(m);
1288 >        if (!createIncomplete) f.complete(v1);
1289 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1290 >        if (createIncomplete) {
1291 >            checkIncomplete(g);
1292 >            f.complete(v1);
1293 >        }
1294  
1295 <        checkCompletedWithWrappedCFException(h);
1295 >        checkCompletedNormally(g, null);
1296 >        r.assertValue(v1);
1297          checkCompletedNormally(f, v1);
1274        checkCompletedNormally(g, v2);
1298      }}
1299  
1300 <    public void testThenCombine_actionFailed2() {
1300 >    /**
1301 >     * thenAccept result completes exceptionally after exceptional
1302 >     * completion of source
1303 >     */
1304 >    public void testThenAccept_exceptionalCompletion() {
1305          for (ExecutionMode m : ExecutionMode.values())
1306 <        for (Integer v1 : new Integer[] { 1, null })
1280 <        for (Integer v2 : new Integer[] { 2, null })
1306 >        for (boolean createIncomplete : new boolean[] { true, false })
1307      {
1308 +        final CFException ex = new CFException();
1309          final CompletableFuture<Integer> f = new CompletableFuture<>();
1310 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1311 <        final FailingBiFunction r = new FailingBiFunction();
1312 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1313 <
1314 <        g.complete(v2);
1315 <        checkIncomplete(h);
1316 <        f.complete(v1);
1310 >        final NoopConsumer r = new NoopConsumer(m);
1311 >        if (!createIncomplete) f.completeExceptionally(ex);
1312 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1313 >        if (createIncomplete) {
1314 >            checkIncomplete(g);
1315 >            f.completeExceptionally(ex);
1316 >        }
1317  
1318 <        checkCompletedWithWrappedCFException(h);
1319 <        checkCompletedNormally(f, v1);
1320 <        checkCompletedNormally(g, v2);
1318 >        checkCompletedWithWrappedException(g, ex);
1319 >        checkCompletedExceptionally(f, ex);
1320 >        r.assertNotInvoked();
1321      }}
1322  
1323      /**
1324 <     * thenCombine result completes exceptionally if either source cancelled
1324 >     * thenAccept result completes exceptionally if source cancelled
1325       */
1326 <    public void testThenCombine_sourceCancelled1() {
1326 >    public void testThenAccept_sourceCancelled() {
1327          for (ExecutionMode m : ExecutionMode.values())
1328 +        for (boolean createIncomplete : new boolean[] { true, false })
1329          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1302        for (Integer v1 : new Integer[] { 1, null })
1330      {
1331          final CompletableFuture<Integer> f = new CompletableFuture<>();
1332 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1333 <        final SubtractFunction r = new SubtractFunction();
1334 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1335 <
1336 <        assertTrue(f.cancel(mayInterruptIfRunning));
1337 <        checkIncomplete(h);
1338 <        g.complete(v1);
1332 >        final NoopConsumer r = new NoopConsumer(m);
1333 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1334 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1335 >        if (createIncomplete) {
1336 >            checkIncomplete(g);
1337 >            assertTrue(f.cancel(mayInterruptIfRunning));
1338 >        }
1339  
1340 <        checkCompletedWithWrappedCancellationException(h);
1340 >        checkCompletedWithWrappedCancellationException(g);
1341          checkCancelled(f);
1342 <        assertEquals(0, r.invocationCount);
1316 <        checkCompletedNormally(g, v1);
1342 >        r.assertNotInvoked();
1343      }}
1344  
1345 <    public void testThenCombine_sourceCancelled2() {
1345 >    /**
1346 >     * thenAccept result completes exceptionally if action does
1347 >     */
1348 >    public void testThenAccept_actionFailed() {
1349          for (ExecutionMode m : ExecutionMode.values())
1350 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1350 >        for (boolean createIncomplete : new boolean[] { true, false })
1351          for (Integer v1 : new Integer[] { 1, null })
1352      {
1353          final CompletableFuture<Integer> f = new CompletableFuture<>();
1354 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1355 <        final SubtractFunction r = new SubtractFunction();
1356 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1357 <
1358 <        assertTrue(g.cancel(mayInterruptIfRunning));
1359 <        checkIncomplete(h);
1360 <        f.complete(v1);
1354 >        final FailingConsumer r = new FailingConsumer(m);
1355 >        if (!createIncomplete) f.complete(v1);
1356 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1357 >        if (createIncomplete) {
1358 >            checkIncomplete(g);
1359 >            f.complete(v1);
1360 >        }
1361  
1362 <        checkCompletedWithWrappedCancellationException(h);
1334 <        checkCancelled(g);
1335 <        assertEquals(0, r.invocationCount);
1362 >        checkCompletedWithWrappedCFException(g);
1363          checkCompletedNormally(f, v1);
1364      }}
1365  
1366 <    public void testThenCombine_sourceCancelled3() {
1366 >    /**
1367 >     * thenCombine result completes normally after normal completion
1368 >     * of sources
1369 >     */
1370 >    public void testThenCombine_normalCompletion() {
1371          for (ExecutionMode m : ExecutionMode.values())
1372 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1372 >        for (boolean createIncomplete : new boolean[] { true, false })
1373 >        for (boolean fFirst : new boolean[] { true, false })
1374          for (Integer v1 : new Integer[] { 1, null })
1375 +        for (Integer v2 : new Integer[] { 2, null })
1376      {
1377          final CompletableFuture<Integer> f = new CompletableFuture<>();
1378          final CompletableFuture<Integer> g = new CompletableFuture<>();
1379 <        final SubtractFunction r = new SubtractFunction();
1379 >        final SubtractFunction r = new SubtractFunction(m);
1380  
1381 <        assertTrue(g.cancel(mayInterruptIfRunning));
1382 <        f.complete(v1);
1381 >        if (fFirst) f.complete(v1); else g.complete(v2);
1382 >        if (!createIncomplete)
1383 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1384          final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1385 +        if (createIncomplete) {
1386 +            checkIncomplete(h);
1387 +            r.assertNotInvoked();
1388 +            if (!fFirst) f.complete(v1); else g.complete(v2);
1389 +        }
1390  
1391 <        checkCompletedWithWrappedCancellationException(h);
1353 <        checkCancelled(g);
1354 <        assertEquals(0, r.invocationCount);
1391 >        checkCompletedNormally(h, subtract(v1, v2));
1392          checkCompletedNormally(f, v1);
1393 +        checkCompletedNormally(g, v2);
1394 +        r.assertValue(subtract(v1, v2));
1395      }}
1396  
1397 <    public void testThenCombine_sourceCancelled4() {
1397 >    /**
1398 >     * thenCombine result completes exceptionally after exceptional
1399 >     * completion of either source
1400 >     */
1401 >    public void testThenCombine_exceptionalCompletion() {
1402          for (ExecutionMode m : ExecutionMode.values())
1403 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1403 >        for (boolean createIncomplete : new boolean[] { true, false })
1404 >        for (boolean fFirst : new boolean[] { true, false })
1405          for (Integer v1 : new Integer[] { 1, null })
1406      {
1407          final CompletableFuture<Integer> f = new CompletableFuture<>();
1408          final CompletableFuture<Integer> g = new CompletableFuture<>();
1409 <        final SubtractFunction r = new SubtractFunction();
1409 >        final CFException ex = new CFException();
1410 >        final SubtractFunction r = new SubtractFunction(m);
1411  
1412 <        assertTrue(f.cancel(mayInterruptIfRunning));
1413 <        g.complete(v1);
1412 >        (fFirst ? f : g).complete(v1);
1413 >        if (!createIncomplete)
1414 >            (!fFirst ? f : g).completeExceptionally(ex);
1415          final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1416 +        if (createIncomplete) {
1417 +            checkIncomplete(h);
1418 +            (!fFirst ? f : g).completeExceptionally(ex);
1419 +        }
1420  
1421 <        checkCompletedWithWrappedCancellationException(h);
1422 <        checkCancelled(f);
1423 <        assertEquals(0, r.invocationCount);
1424 <        checkCompletedNormally(g, v1);
1421 >        checkCompletedWithWrappedException(h, ex);
1422 >        r.assertNotInvoked();
1423 >        checkCompletedNormally(fFirst ? f : g, v1);
1424 >        checkCompletedExceptionally(!fFirst ? f : g, ex);
1425      }}
1426  
1427      /**
1428 <     * thenAcceptBoth result completes normally after normal
1379 <     * completion of sources
1428 >     * thenCombine result completes exceptionally if either source cancelled
1429       */
1430 <    public void testThenAcceptBoth_normalCompletion1() {
1382 <        for (ExecutionMode m : ExecutionMode.values())
1383 <        for (Integer v1 : new Integer[] { 1, null })
1384 <        for (Integer v2 : new Integer[] { 2, null })
1385 <    {
1386 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1387 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1388 <        final SubtractAction r = new SubtractAction();
1389 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1390 <
1391 <        f.complete(v1);
1392 <        checkIncomplete(h);
1393 <        assertEquals(0, r.invocationCount);
1394 <        g.complete(v2);
1395 <
1396 <        checkCompletedNormally(h, null);
1397 <        assertEquals(subtract(v1, v2), r.value);
1398 <        checkCompletedNormally(f, v1);
1399 <        checkCompletedNormally(g, v2);
1400 <    }}
1401 <
1402 <    public void testThenAcceptBoth_normalCompletion2() {
1430 >    public void testThenCombine_sourceCancelled() {
1431          for (ExecutionMode m : ExecutionMode.values())
1432 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1433 +        for (boolean createIncomplete : new boolean[] { true, false })
1434 +        for (boolean fFirst : new boolean[] { true, false })
1435          for (Integer v1 : new Integer[] { 1, null })
1405        for (Integer v2 : new Integer[] { 2, null })
1436      {
1437          final CompletableFuture<Integer> f = new CompletableFuture<>();
1438          final CompletableFuture<Integer> g = new CompletableFuture<>();
1439 <        final SubtractAction r = new SubtractAction();
1410 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1439 >        final SubtractFunction r = new SubtractFunction(m);
1440  
1441 <        g.complete(v2);
1442 <        checkIncomplete(h);
1443 <        assertEquals(0, r.invocationCount);
1444 <        f.complete(v1);
1441 >        (fFirst ? f : g).complete(v1);
1442 >        if (!createIncomplete)
1443 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1444 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1445 >        if (createIncomplete) {
1446 >            checkIncomplete(h);
1447 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1448 >        }
1449  
1450 <        checkCompletedNormally(h, null);
1451 <        assertEquals(subtract(v1, v2), r.value);
1452 <        checkCompletedNormally(f, v1);
1453 <        checkCompletedNormally(g, v2);
1450 >        checkCompletedWithWrappedCancellationException(h);
1451 >        checkCancelled(!fFirst ? f : g);
1452 >        r.assertNotInvoked();
1453 >        checkCompletedNormally(fFirst ? f : g, v1);
1454      }}
1455  
1456 <    public void testThenAcceptBoth_normalCompletion3() {
1456 >    /**
1457 >     * thenCombine result completes exceptionally if action does
1458 >     */
1459 >    public void testThenCombine_actionFailed() {
1460          for (ExecutionMode m : ExecutionMode.values())
1461 +        for (boolean fFirst : new boolean[] { true, false })
1462          for (Integer v1 : new Integer[] { 1, null })
1463          for (Integer v2 : new Integer[] { 2, null })
1464      {
1465          final CompletableFuture<Integer> f = new CompletableFuture<>();
1466          final CompletableFuture<Integer> g = new CompletableFuture<>();
1467 <        final SubtractAction r = new SubtractAction();
1467 >        final FailingBiFunction r = new FailingBiFunction(m);
1468 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1469  
1470 <        g.complete(v2);
1471 <        f.complete(v1);
1472 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1470 >        if (fFirst) {
1471 >            f.complete(v1);
1472 >            g.complete(v2);
1473 >        } else {
1474 >            g.complete(v2);
1475 >            f.complete(v1);
1476 >        }
1477  
1478 <        checkCompletedNormally(h, null);
1437 <        assertEquals(subtract(v1, v2), r.value);
1478 >        checkCompletedWithWrappedCFException(h);
1479          checkCompletedNormally(f, v1);
1480          checkCompletedNormally(g, v2);
1481      }}
1482  
1483 <    public void testThenAcceptBoth_normalCompletion4() {
1483 >    /**
1484 >     * thenAcceptBoth result completes normally after normal
1485 >     * completion of sources
1486 >     */
1487 >    public void testThenAcceptBoth_normalCompletion() {
1488          for (ExecutionMode m : ExecutionMode.values())
1489 +        for (boolean createIncomplete : new boolean[] { true, false })
1490 +        for (boolean fFirst : new boolean[] { true, false })
1491          for (Integer v1 : new Integer[] { 1, null })
1492          for (Integer v2 : new Integer[] { 2, null })
1493      {
1494          final CompletableFuture<Integer> f = new CompletableFuture<>();
1495          final CompletableFuture<Integer> g = new CompletableFuture<>();
1496 <        final SubtractAction r = new SubtractAction();
1496 >        final SubtractAction r = new SubtractAction(m);
1497  
1498 <        f.complete(v1);
1499 <        g.complete(v2);
1498 >        if (fFirst) f.complete(v1); else g.complete(v2);
1499 >        if (!createIncomplete)
1500 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1501          final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1502 +        if (createIncomplete) {
1503 +            checkIncomplete(h);
1504 +            r.assertNotInvoked();
1505 +            if (!fFirst) f.complete(v1); else g.complete(v2);
1506 +        }
1507  
1508          checkCompletedNormally(h, null);
1509 <        assertEquals(subtract(v1, v2), r.value);
1509 >        r.assertValue(subtract(v1, v2));
1510          checkCompletedNormally(f, v1);
1511          checkCompletedNormally(g, v2);
1512      }}
# Line 1462 | Line 1515 | public class CompletableFutureTest exten
1515       * thenAcceptBoth result completes exceptionally after exceptional
1516       * completion of either source
1517       */
1518 <    public void testThenAcceptBoth_exceptionalCompletion1() {
1466 <        for (ExecutionMode m : ExecutionMode.values())
1467 <        for (Integer v1 : new Integer[] { 1, null })
1468 <    {
1469 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1470 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1471 <        final SubtractAction r = new SubtractAction();
1472 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1473 <        final CFException ex = new CFException();
1474 <
1475 <        f.completeExceptionally(ex);
1476 <        checkIncomplete(h);
1477 <        g.complete(v1);
1478 <
1479 <        checkCompletedWithWrappedCFException(h, ex);
1480 <        checkCompletedWithWrappedCFException(f, ex);
1481 <        assertEquals(0, r.invocationCount);
1482 <        checkCompletedNormally(g, v1);
1483 <    }}
1484 <
1485 <    public void testThenAcceptBoth_exceptionalCompletion2() {
1486 <        for (ExecutionMode m : ExecutionMode.values())
1487 <        for (Integer v1 : new Integer[] { 1, null })
1488 <    {
1489 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1490 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1491 <        final SubtractAction r = new SubtractAction();
1492 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1493 <        final CFException ex = new CFException();
1494 <
1495 <        g.completeExceptionally(ex);
1496 <        checkIncomplete(h);
1497 <        f.complete(v1);
1498 <
1499 <        checkCompletedWithWrappedCFException(h, ex);
1500 <        checkCompletedWithWrappedCFException(g, ex);
1501 <        assertEquals(0, r.invocationCount);
1502 <        checkCompletedNormally(f, v1);
1503 <    }}
1504 <
1505 <    public void testThenAcceptBoth_exceptionalCompletion3() {
1518 >    public void testThenAcceptBoth_exceptionalCompletion() {
1519          for (ExecutionMode m : ExecutionMode.values())
1520 +        for (boolean createIncomplete : new boolean[] { true, false })
1521 +        for (boolean fFirst : new boolean[] { true, false })
1522          for (Integer v1 : new Integer[] { 1, null })
1523      {
1524          final CompletableFuture<Integer> f = new CompletableFuture<>();
1525          final CompletableFuture<Integer> g = new CompletableFuture<>();
1511        final SubtractAction r = new SubtractAction();
1526          final CFException ex = new CFException();
1527 +        final SubtractAction r = new SubtractAction(m);
1528  
1529 <        g.completeExceptionally(ex);
1530 <        f.complete(v1);
1529 >        (fFirst ? f : g).complete(v1);
1530 >        if (!createIncomplete)
1531 >            (!fFirst ? f : g).completeExceptionally(ex);
1532          final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1533 +        if (createIncomplete) {
1534 +            checkIncomplete(h);
1535 +            (!fFirst ? f : g).completeExceptionally(ex);
1536 +        }
1537  
1538 <        checkCompletedWithWrappedCFException(h, ex);
1539 <        checkCompletedWithWrappedCFException(g, ex);
1540 <        assertEquals(0, r.invocationCount);
1541 <        checkCompletedNormally(f, v1);
1538 >        checkCompletedWithWrappedException(h, ex);
1539 >        r.assertNotInvoked();
1540 >        checkCompletedNormally(fFirst ? f : g, v1);
1541 >        checkCompletedExceptionally(!fFirst ? f : g, ex);
1542      }}
1543  
1544 <    public void testThenAcceptBoth_exceptionalCompletion4() {
1544 >    /**
1545 >     * thenAcceptBoth result completes exceptionally if either source cancelled
1546 >     */
1547 >    public void testThenAcceptBoth_sourceCancelled() {
1548          for (ExecutionMode m : ExecutionMode.values())
1549 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1550 +        for (boolean createIncomplete : new boolean[] { true, false })
1551 +        for (boolean fFirst : new boolean[] { true, false })
1552          for (Integer v1 : new Integer[] { 1, null })
1553      {
1554          final CompletableFuture<Integer> f = new CompletableFuture<>();
1555          final CompletableFuture<Integer> g = new CompletableFuture<>();
1556 <        final SubtractAction r = new SubtractAction();
1531 <        final CFException ex = new CFException();
1556 >        final SubtractAction r = new SubtractAction(m);
1557  
1558 <        f.completeExceptionally(ex);
1559 <        g.complete(v1);
1558 >        (fFirst ? f : g).complete(v1);
1559 >        if (!createIncomplete)
1560 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1561          final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1562 +        if (createIncomplete) {
1563 +            checkIncomplete(h);
1564 +            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1565 +        }
1566  
1567 <        checkCompletedWithWrappedCFException(h, ex);
1568 <        checkCompletedWithWrappedCFException(f, ex);
1569 <        assertEquals(0, r.invocationCount);
1570 <        checkCompletedNormally(g, v1);
1567 >        checkCompletedWithWrappedCancellationException(h);
1568 >        checkCancelled(!fFirst ? f : g);
1569 >        r.assertNotInvoked();
1570 >        checkCompletedNormally(fFirst ? f : g, v1);
1571      }}
1572  
1573      /**
1574       * thenAcceptBoth result completes exceptionally if action does
1575       */
1576 <    public void testThenAcceptBoth_actionFailed1() {
1547 <        for (ExecutionMode m : ExecutionMode.values())
1548 <        for (Integer v1 : new Integer[] { 1, null })
1549 <        for (Integer v2 : new Integer[] { 2, null })
1550 <    {
1551 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1552 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1553 <        final FailingBiConsumer r = new FailingBiConsumer();
1554 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1555 <
1556 <        f.complete(v1);
1557 <        checkIncomplete(h);
1558 <        g.complete(v2);
1559 <
1560 <        checkCompletedWithWrappedCFException(h);
1561 <        checkCompletedNormally(f, v1);
1562 <        checkCompletedNormally(g, v2);
1563 <    }}
1564 <
1565 <    public void testThenAcceptBoth_actionFailed2() {
1576 >    public void testThenAcceptBoth_actionFailed() {
1577          for (ExecutionMode m : ExecutionMode.values())
1578 +        for (boolean fFirst : new boolean[] { true, false })
1579          for (Integer v1 : new Integer[] { 1, null })
1580          for (Integer v2 : new Integer[] { 2, null })
1581      {
1582          final CompletableFuture<Integer> f = new CompletableFuture<>();
1583          final CompletableFuture<Integer> g = new CompletableFuture<>();
1584 <        final FailingBiConsumer r = new FailingBiConsumer();
1584 >        final FailingBiConsumer r = new FailingBiConsumer(m);
1585          final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1586  
1587 <        g.complete(v2);
1588 <        checkIncomplete(h);
1589 <        f.complete(v1);
1587 >        if (fFirst) {
1588 >            f.complete(v1);
1589 >            g.complete(v2);
1590 >        } else {
1591 >            g.complete(v2);
1592 >            f.complete(v1);
1593 >        }
1594  
1595          checkCompletedWithWrappedCFException(h);
1596          checkCompletedNormally(f, v1);
# Line 1582 | Line 1598 | public class CompletableFutureTest exten
1598      }}
1599  
1600      /**
1585     * thenAcceptBoth result completes exceptionally if either source cancelled
1586     */
1587    public void testThenAcceptBoth_sourceCancelled1() {
1588        for (ExecutionMode m : ExecutionMode.values())
1589        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1590        for (Integer v1 : new Integer[] { 1, null })
1591    {
1592        final CompletableFuture<Integer> f = new CompletableFuture<>();
1593        final CompletableFuture<Integer> g = new CompletableFuture<>();
1594        final SubtractAction r = new SubtractAction();
1595        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1596
1597        assertTrue(f.cancel(mayInterruptIfRunning));
1598        checkIncomplete(h);
1599        g.complete(v1);
1600
1601        checkCompletedWithWrappedCancellationException(h);
1602        checkCancelled(f);
1603        assertEquals(0, r.invocationCount);
1604        checkCompletedNormally(g, v1);
1605    }}
1606
1607    public void testThenAcceptBoth_sourceCancelled2() {
1608        for (ExecutionMode m : ExecutionMode.values())
1609        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1610        for (Integer v1 : new Integer[] { 1, null })
1611    {
1612        final CompletableFuture<Integer> f = new CompletableFuture<>();
1613        final CompletableFuture<Integer> g = new CompletableFuture<>();
1614        final SubtractAction r = new SubtractAction();
1615        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1616
1617        assertTrue(g.cancel(mayInterruptIfRunning));
1618        checkIncomplete(h);
1619        f.complete(v1);
1620
1621        checkCompletedWithWrappedCancellationException(h);
1622        checkCancelled(g);
1623        assertEquals(0, r.invocationCount);
1624        checkCompletedNormally(f, v1);
1625    }}
1626
1627    public void testThenAcceptBoth_sourceCancelled3() {
1628        for (ExecutionMode m : ExecutionMode.values())
1629        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1630        for (Integer v1 : new Integer[] { 1, null })
1631    {
1632        final CompletableFuture<Integer> f = new CompletableFuture<>();
1633        final CompletableFuture<Integer> g = new CompletableFuture<>();
1634        final SubtractAction r = new SubtractAction();
1635
1636        assertTrue(g.cancel(mayInterruptIfRunning));
1637        f.complete(v1);
1638        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1639
1640        checkCompletedWithWrappedCancellationException(h);
1641        checkCancelled(g);
1642        assertEquals(0, r.invocationCount);
1643        checkCompletedNormally(f, v1);
1644    }}
1645
1646    public void testThenAcceptBoth_sourceCancelled4() {
1647        for (ExecutionMode m : ExecutionMode.values())
1648        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1649        for (Integer v1 : new Integer[] { 1, null })
1650    {
1651        final CompletableFuture<Integer> f = new CompletableFuture<>();
1652        final CompletableFuture<Integer> g = new CompletableFuture<>();
1653        final SubtractAction r = new SubtractAction();
1654
1655        assertTrue(f.cancel(mayInterruptIfRunning));
1656        g.complete(v1);
1657        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1658
1659        checkCompletedWithWrappedCancellationException(h);
1660        checkCancelled(f);
1661        assertEquals(0, r.invocationCount);
1662        checkCompletedNormally(g, v1);
1663    }}
1664
1665    /**
1601       * runAfterBoth result completes normally after normal
1602       * completion of sources
1603       */
1604 <    public void testRunAfterBoth_normalCompletion1() {
1670 <        for (ExecutionMode m : ExecutionMode.values())
1671 <        for (Integer v1 : new Integer[] { 1, null })
1672 <        for (Integer v2 : new Integer[] { 2, null })
1673 <    {
1674 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1675 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1676 <        final Noop r = new Noop();
1677 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1678 <
1679 <        f.complete(v1);
1680 <        checkIncomplete(h);
1681 <        assertEquals(0, r.invocationCount);
1682 <        g.complete(v2);
1683 <
1684 <        checkCompletedNormally(h, null);
1685 <        assertEquals(1, r.invocationCount);
1686 <        checkCompletedNormally(f, v1);
1687 <        checkCompletedNormally(g, v2);
1688 <    }}
1689 <
1690 <    public void testRunAfterBoth_normalCompletion2() {
1691 <        for (ExecutionMode m : ExecutionMode.values())
1692 <        for (Integer v1 : new Integer[] { 1, null })
1693 <        for (Integer v2 : new Integer[] { 2, null })
1694 <    {
1695 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1696 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1697 <        final Noop r = new Noop();
1698 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1699 <
1700 <        g.complete(v2);
1701 <        checkIncomplete(h);
1702 <        assertEquals(0, r.invocationCount);
1703 <        f.complete(v1);
1704 <
1705 <        checkCompletedNormally(h, null);
1706 <        assertEquals(1, r.invocationCount);
1707 <        checkCompletedNormally(f, v1);
1708 <        checkCompletedNormally(g, v2);
1709 <    }}
1710 <
1711 <    public void testRunAfterBoth_normalCompletion3() {
1712 <        for (ExecutionMode m : ExecutionMode.values())
1713 <        for (Integer v1 : new Integer[] { 1, null })
1714 <        for (Integer v2 : new Integer[] { 2, null })
1715 <    {
1716 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1717 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1718 <        final Noop r = new Noop();
1719 <
1720 <        g.complete(v2);
1721 <        f.complete(v1);
1722 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1723 <
1724 <        checkCompletedNormally(h, null);
1725 <        assertEquals(1, r.invocationCount);
1726 <        checkCompletedNormally(f, v1);
1727 <        checkCompletedNormally(g, v2);
1728 <    }}
1729 <
1730 <    public void testRunAfterBoth_normalCompletion4() {
1604 >    public void testRunAfterBoth_normalCompletion() {
1605          for (ExecutionMode m : ExecutionMode.values())
1606 +        for (boolean createIncomplete : new boolean[] { true, false })
1607 +        for (boolean fFirst : new boolean[] { true, false })
1608          for (Integer v1 : new Integer[] { 1, null })
1609          for (Integer v2 : new Integer[] { 2, null })
1610      {
1611          final CompletableFuture<Integer> f = new CompletableFuture<>();
1612          final CompletableFuture<Integer> g = new CompletableFuture<>();
1613 <        final Noop r = new Noop();
1613 >        final Noop r = new Noop(m);
1614  
1615 <        f.complete(v1);
1616 <        g.complete(v2);
1615 >        if (fFirst) f.complete(v1); else g.complete(v2);
1616 >        if (!createIncomplete)
1617 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1618          final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1619 +        if (createIncomplete) {
1620 +            checkIncomplete(h);
1621 +            r.assertNotInvoked();
1622 +            if (!fFirst) f.complete(v1); else g.complete(v2);
1623 +        }
1624  
1625          checkCompletedNormally(h, null);
1626 <        assertEquals(1, r.invocationCount);
1626 >        r.assertInvoked();
1627          checkCompletedNormally(f, v1);
1628          checkCompletedNormally(g, v2);
1629      }}
# Line 1750 | Line 1632 | public class CompletableFutureTest exten
1632       * runAfterBoth result completes exceptionally after exceptional
1633       * completion of either source
1634       */
1635 <    public void testRunAfterBoth_exceptionalCompletion1() {
1754 <        for (ExecutionMode m : ExecutionMode.values())
1755 <        for (Integer v1 : new Integer[] { 1, null })
1756 <    {
1757 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1758 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1759 <        final Noop r = new Noop();
1760 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1761 <        final CFException ex = new CFException();
1762 <
1763 <        f.completeExceptionally(ex);
1764 <        checkIncomplete(h);
1765 <        g.complete(v1);
1766 <
1767 <        checkCompletedWithWrappedCFException(h, ex);
1768 <        checkCompletedWithWrappedCFException(f, ex);
1769 <        assertEquals(0, r.invocationCount);
1770 <        checkCompletedNormally(g, v1);
1771 <    }}
1772 <
1773 <    public void testRunAfterBoth_exceptionalCompletion2() {
1774 <        for (ExecutionMode m : ExecutionMode.values())
1775 <        for (Integer v1 : new Integer[] { 1, null })
1776 <    {
1777 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1778 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1779 <        final Noop r = new Noop();
1780 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1781 <        final CFException ex = new CFException();
1782 <
1783 <        g.completeExceptionally(ex);
1784 <        checkIncomplete(h);
1785 <        f.complete(v1);
1786 <
1787 <        checkCompletedWithWrappedCFException(h, ex);
1788 <        checkCompletedWithWrappedCFException(g, ex);
1789 <        assertEquals(0, r.invocationCount);
1790 <        checkCompletedNormally(f, v1);
1791 <    }}
1792 <
1793 <    public void testRunAfterBoth_exceptionalCompletion3() {
1794 <        for (ExecutionMode m : ExecutionMode.values())
1795 <        for (Integer v1 : new Integer[] { 1, null })
1796 <    {
1797 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1798 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1799 <        final Noop r = new Noop();
1800 <        final CFException ex = new CFException();
1801 <
1802 <        g.completeExceptionally(ex);
1803 <        f.complete(v1);
1804 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1805 <
1806 <        checkCompletedWithWrappedCFException(h, ex);
1807 <        checkCompletedWithWrappedCFException(g, ex);
1808 <        assertEquals(0, r.invocationCount);
1809 <        checkCompletedNormally(f, v1);
1810 <    }}
1811 <
1812 <    public void testRunAfterBoth_exceptionalCompletion4() {
1635 >    public void testRunAfterBoth_exceptionalCompletion() {
1636          for (ExecutionMode m : ExecutionMode.values())
1637 +        for (boolean createIncomplete : new boolean[] { true, false })
1638 +        for (boolean fFirst : new boolean[] { true, false })
1639          for (Integer v1 : new Integer[] { 1, null })
1640      {
1641          final CompletableFuture<Integer> f = new CompletableFuture<>();
1642          final CompletableFuture<Integer> g = new CompletableFuture<>();
1818        final Noop r = new Noop();
1643          final CFException ex = new CFException();
1644 +        final Noop r = new Noop(m);
1645  
1646 <        f.completeExceptionally(ex);
1647 <        g.complete(v1);
1646 >        (fFirst ? f : g).complete(v1);
1647 >        if (!createIncomplete)
1648 >            (!fFirst ? f : g).completeExceptionally(ex);
1649          final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1650 +        if (createIncomplete) {
1651 +            checkIncomplete(h);
1652 +            (!fFirst ? f : g).completeExceptionally(ex);
1653 +        }
1654  
1655 <        checkCompletedWithWrappedCFException(h, ex);
1656 <        checkCompletedWithWrappedCFException(f, ex);
1657 <        assertEquals(0, r.invocationCount);
1658 <        checkCompletedNormally(g, v1);
1829 <    }}
1830 <
1831 <    /**
1832 <     * runAfterBoth result completes exceptionally if action does
1833 <     */
1834 <    public void testRunAfterBoth_actionFailed1() {
1835 <        for (ExecutionMode m : ExecutionMode.values())
1836 <        for (Integer v1 : new Integer[] { 1, null })
1837 <        for (Integer v2 : new Integer[] { 2, null })
1838 <    {
1839 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1840 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1841 <        final FailingNoop r = new FailingNoop();
1842 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1843 <
1844 <        f.complete(v1);
1845 <        checkIncomplete(h);
1846 <        g.complete(v2);
1847 <
1848 <        checkCompletedWithWrappedCFException(h);
1849 <        checkCompletedNormally(f, v1);
1850 <        checkCompletedNormally(g, v2);
1851 <    }}
1852 <
1853 <    public void testRunAfterBoth_actionFailed2() {
1854 <        for (ExecutionMode m : ExecutionMode.values())
1855 <        for (Integer v1 : new Integer[] { 1, null })
1856 <        for (Integer v2 : new Integer[] { 2, null })
1857 <    {
1858 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1859 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1860 <        final FailingNoop r = new FailingNoop();
1861 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1862 <
1863 <        g.complete(v2);
1864 <        checkIncomplete(h);
1865 <        f.complete(v1);
1866 <
1867 <        checkCompletedWithWrappedCFException(h);
1868 <        checkCompletedNormally(f, v1);
1869 <        checkCompletedNormally(g, v2);
1655 >        checkCompletedWithWrappedException(h, ex);
1656 >        r.assertNotInvoked();
1657 >        checkCompletedNormally(fFirst ? f : g, v1);
1658 >        checkCompletedExceptionally(!fFirst ? f : g, ex);
1659      }}
1660  
1661      /**
1662       * runAfterBoth result completes exceptionally if either source cancelled
1663       */
1664 <    public void testRunAfterBoth_sourceCancelled1() {
1664 >    public void testRunAfterBoth_sourceCancelled() {
1665          for (ExecutionMode m : ExecutionMode.values())
1666          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1667 +        for (boolean createIncomplete : new boolean[] { true, false })
1668 +        for (boolean fFirst : new boolean[] { true, false })
1669          for (Integer v1 : new Integer[] { 1, null })
1670      {
1671          final CompletableFuture<Integer> f = new CompletableFuture<>();
1672          final CompletableFuture<Integer> g = new CompletableFuture<>();
1673 <        final Noop r = new Noop();
1883 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1884 <
1885 <        assertTrue(f.cancel(mayInterruptIfRunning));
1886 <        checkIncomplete(h);
1887 <        g.complete(v1);
1673 >        final Noop r = new Noop(m);
1674  
1889        checkCompletedWithWrappedCancellationException(h);
1890        checkCancelled(f);
1891        assertEquals(0, r.invocationCount);
1892        checkCompletedNormally(g, v1);
1893    }}
1675  
1676 <    public void testRunAfterBoth_sourceCancelled2() {
1677 <        for (ExecutionMode m : ExecutionMode.values())
1678 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1898 <        for (Integer v1 : new Integer[] { 1, null })
1899 <    {
1900 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1901 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1902 <        final Noop r = new Noop();
1676 >        (fFirst ? f : g).complete(v1);
1677 >        if (!createIncomplete)
1678 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1679          final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1680 <
1681 <        assertTrue(g.cancel(mayInterruptIfRunning));
1682 <        checkIncomplete(h);
1683 <        f.complete(v1);
1680 >        if (createIncomplete) {
1681 >            checkIncomplete(h);
1682 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1683 >        }
1684  
1685          checkCompletedWithWrappedCancellationException(h);
1686 <        checkCancelled(g);
1687 <        assertEquals(0, r.invocationCount);
1688 <        checkCompletedNormally(f, v1);
1686 >        checkCancelled(!fFirst ? f : g);
1687 >        r.assertNotInvoked();
1688 >        checkCompletedNormally(fFirst ? f : g, v1);
1689      }}
1690  
1691 <    public void testRunAfterBoth_sourceCancelled3() {
1691 >    /**
1692 >     * runAfterBoth result completes exceptionally if action does
1693 >     */
1694 >    public void testRunAfterBoth_actionFailed() {
1695          for (ExecutionMode m : ExecutionMode.values())
1696 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1696 >        for (boolean fFirst : new boolean[] { true, false })
1697          for (Integer v1 : new Integer[] { 1, null })
1698 +        for (Integer v2 : new Integer[] { 2, null })
1699      {
1700          final CompletableFuture<Integer> f = new CompletableFuture<>();
1701          final CompletableFuture<Integer> g = new CompletableFuture<>();
1702 <        final Noop r = new Noop();
1702 >        final FailingRunnable r1 = new FailingRunnable(m);
1703 >        final FailingRunnable r2 = new FailingRunnable(m);
1704  
1705 <        assertTrue(g.cancel(mayInterruptIfRunning));
1706 <        f.complete(v1);
1707 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1705 >        CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1706 >        if (fFirst) {
1707 >            f.complete(v1);
1708 >            g.complete(v2);
1709 >        } else {
1710 >            g.complete(v2);
1711 >            f.complete(v1);
1712 >        }
1713 >        CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1714  
1715 <        checkCompletedWithWrappedCancellationException(h);
1716 <        checkCancelled(g);
1930 <        assertEquals(0, r.invocationCount);
1715 >        checkCompletedWithWrappedCFException(h1);
1716 >        checkCompletedWithWrappedCFException(h2);
1717          checkCompletedNormally(f, v1);
1718 <    }}
1933 <
1934 <    public void testRunAfterBoth_sourceCancelled4() {
1935 <        for (ExecutionMode m : ExecutionMode.values())
1936 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1937 <        for (Integer v1 : new Integer[] { 1, null })
1938 <    {
1939 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1940 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1941 <        final Noop r = new Noop();
1942 <
1943 <        assertTrue(f.cancel(mayInterruptIfRunning));
1944 <        g.complete(v1);
1945 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1946 <
1947 <        checkCompletedWithWrappedCancellationException(h);
1948 <        checkCancelled(f);
1949 <        assertEquals(0, r.invocationCount);
1950 <        checkCompletedNormally(g, v1);
1718 >        checkCompletedNormally(g, v2);
1719      }}
1720  
1721      /**
1722       * applyToEither result completes normally after normal completion
1723       * of either source
1724       */
1725 <    public void testApplyToEither_normalCompletion1() {
1725 >    public void testApplyToEither_normalCompletion() {
1726          for (ExecutionMode m : ExecutionMode.values())
1727          for (Integer v1 : new Integer[] { 1, null })
1728          for (Integer v2 : new Integer[] { 2, null })
1729      {
1730          final CompletableFuture<Integer> f = new CompletableFuture<>();
1731          final CompletableFuture<Integer> g = new CompletableFuture<>();
1732 <        final IncFunction r = new IncFunction();
1733 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1732 >        final IncFunction[] rs = new IncFunction[6];
1733 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1734  
1735 +        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1736 +        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1737 +        checkIncomplete(h0);
1738 +        checkIncomplete(h1);
1739 +        rs[0].assertNotInvoked();
1740 +        rs[1].assertNotInvoked();
1741          f.complete(v1);
1742 <        checkCompletedNormally(h, inc(v1));
1742 >        checkCompletedNormally(h0, inc(v1));
1743 >        checkCompletedNormally(h1, inc(v1));
1744 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1745 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1746 >        checkCompletedNormally(h2, inc(v1));
1747 >        checkCompletedNormally(h3, inc(v1));
1748          g.complete(v2);
1749  
1750 <        checkCompletedNormally(f, v1);
1751 <        checkCompletedNormally(g, v2);
1752 <        checkCompletedNormally(h, inc(v1));
1753 <    }}
1754 <
1755 <    public void testApplyToEither_normalCompletion2() {
1756 <        for (ExecutionMode m : ExecutionMode.values())
1757 <        for (Integer v1 : new Integer[] { 1, null })
1758 <        for (Integer v2 : new Integer[] { 2, null })
1980 <    {
1981 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1982 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1983 <        final IncFunction r = new IncFunction();
1984 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1985 <
1986 <        g.complete(v2);
1987 <        checkCompletedNormally(h, inc(v2));
1988 <        f.complete(v1);
1989 <
1990 <        checkCompletedNormally(f, v1);
1991 <        checkCompletedNormally(g, v2);
1992 <        checkCompletedNormally(h, inc(v2));
1993 <        }}
1994 <
1995 <    public void testApplyToEither_normalCompletion3() {
1996 <        for (ExecutionMode m : ExecutionMode.values())
1997 <        for (Integer v1 : new Integer[] { 1, null })
1998 <        for (Integer v2 : new Integer[] { 2, null })
1999 <    {
2000 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2001 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2002 <        final IncFunction r = new IncFunction();
2003 <
2004 <        f.complete(v1);
2005 <        g.complete(v2);
2006 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1750 >        // unspecified behavior - both source completions available
1751 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1752 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1753 >        rs[4].assertValue(h4.join());
1754 >        rs[5].assertValue(h5.join());
1755 >        assertTrue(Objects.equals(inc(v1), h4.join()) ||
1756 >                   Objects.equals(inc(v2), h4.join()));
1757 >        assertTrue(Objects.equals(inc(v1), h5.join()) ||
1758 >                   Objects.equals(inc(v2), h5.join()));
1759  
1760          checkCompletedNormally(f, v1);
1761          checkCompletedNormally(g, v2);
1762 <
1763 <        // unspecified behavior
1764 <        assertTrue(Objects.equals(h.join(), inc(v1)) ||
1765 <                   Objects.equals(h.join(), inc(v2)));
1766 <        assertEquals(1, r.invocationCount);
1762 >        checkCompletedNormally(h0, inc(v1));
1763 >        checkCompletedNormally(h1, inc(v1));
1764 >        checkCompletedNormally(h2, inc(v1));
1765 >        checkCompletedNormally(h3, inc(v1));
1766 >        for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
1767      }}
1768  
1769      /**
1770       * applyToEither result completes exceptionally after exceptional
1771       * completion of either source
1772       */
1773 <    public void testApplyToEither_exceptionalCompletion1() {
1773 >    public void testApplyToEither_exceptionalCompletion() {
1774          for (ExecutionMode m : ExecutionMode.values())
1775          for (Integer v1 : new Integer[] { 1, null })
1776      {
1777          final CompletableFuture<Integer> f = new CompletableFuture<>();
1778          final CompletableFuture<Integer> g = new CompletableFuture<>();
2027        final IncFunction r = new IncFunction();
2028        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1779          final CFException ex = new CFException();
1780 +        final IncFunction[] rs = new IncFunction[6];
1781 +        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1782  
1783 +        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1784 +        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1785 +        checkIncomplete(h0);
1786 +        checkIncomplete(h1);
1787 +        rs[0].assertNotInvoked();
1788 +        rs[1].assertNotInvoked();
1789          f.completeExceptionally(ex);
1790 <        checkCompletedWithWrappedCFException(h, ex);
1790 >        checkCompletedWithWrappedException(h0, ex);
1791 >        checkCompletedWithWrappedException(h1, ex);
1792 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1793 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1794 >        checkCompletedWithWrappedException(h2, ex);
1795 >        checkCompletedWithWrappedException(h3, ex);
1796          g.complete(v1);
1797  
1798 <        assertEquals(0, r.invocationCount);
1798 >        // unspecified behavior - both source completions available
1799 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1800 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1801 >        try {
1802 >            assertEquals(inc(v1), h4.join());
1803 >            rs[4].assertValue(inc(v1));
1804 >        } catch (CompletionException ok) {
1805 >            checkCompletedWithWrappedException(h4, ex);
1806 >            rs[4].assertNotInvoked();
1807 >        }
1808 >        try {
1809 >            assertEquals(inc(v1), h5.join());
1810 >            rs[5].assertValue(inc(v1));
1811 >        } catch (CompletionException ok) {
1812 >            checkCompletedWithWrappedException(h5, ex);
1813 >            rs[5].assertNotInvoked();
1814 >        }
1815 >
1816 >        checkCompletedExceptionally(f, ex);
1817          checkCompletedNormally(g, v1);
1818 <        checkCompletedWithWrappedCFException(f, ex);
1819 <        checkCompletedWithWrappedCFException(h, ex);
1818 >        checkCompletedWithWrappedException(h0, ex);
1819 >        checkCompletedWithWrappedException(h1, ex);
1820 >        checkCompletedWithWrappedException(h2, ex);
1821 >        checkCompletedWithWrappedException(h3, ex);
1822 >        checkCompletedWithWrappedException(h4, ex);
1823 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
1824      }}
1825  
1826      public void testApplyToEither_exceptionalCompletion2() {
1827          for (ExecutionMode m : ExecutionMode.values())
1828 +        for (boolean fFirst : new boolean[] { true, false })
1829          for (Integer v1 : new Integer[] { 1, null })
1830      {
1831          final CompletableFuture<Integer> f = new CompletableFuture<>();
1832          final CompletableFuture<Integer> g = new CompletableFuture<>();
2047        final IncFunction r = new IncFunction();
2048        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2049        final CFException ex = new CFException();
2050
2051        g.completeExceptionally(ex);
2052        checkCompletedWithWrappedCFException(h, ex);
2053        f.complete(v1);
2054
2055        assertEquals(0, r.invocationCount);
2056        checkCompletedNormally(f, v1);
2057        checkCompletedWithWrappedCFException(g, ex);
2058        checkCompletedWithWrappedCFException(h, ex);
2059    }}
2060
2061    public void testApplyToEither_exceptionalCompletion3() {
2062        for (ExecutionMode m : ExecutionMode.values())
2063        for (Integer v1 : new Integer[] { 1, null })
2064    {
2065        final CompletableFuture<Integer> f = new CompletableFuture<>();
2066        final CompletableFuture<Integer> g = new CompletableFuture<>();
2067        final IncFunction r = new IncFunction();
1833          final CFException ex = new CFException();
1834 +        final IncFunction[] rs = new IncFunction[6];
1835 +        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1836  
1837 <        g.completeExceptionally(ex);
1838 <        f.complete(v1);
1839 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1837 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1838 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1839 >        if (fFirst) {
1840 >            f.complete(v1);
1841 >            g.completeExceptionally(ex);
1842 >        } else {
1843 >            g.completeExceptionally(ex);
1844 >            f.complete(v1);
1845 >        }
1846 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1847 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1848  
1849 <        // unspecified behavior
2075 <        Integer v;
1849 >        // unspecified behavior - both source completions available
1850          try {
1851 <            assertEquals(inc(v1), h.join());
1852 <            assertEquals(1, r.invocationCount);
1851 >            assertEquals(inc(v1), h0.join());
1852 >            rs[0].assertValue(inc(v1));
1853          } catch (CompletionException ok) {
1854 <            checkCompletedWithWrappedCFException(h, ex);
1855 <            assertEquals(0, r.invocationCount);
1854 >            checkCompletedWithWrappedException(h0, ex);
1855 >            rs[0].assertNotInvoked();
1856          }
2083
2084        checkCompletedWithWrappedCFException(g, ex);
2085        checkCompletedNormally(f, v1);
2086    }}
2087
2088    public void testApplyToEither_exceptionalCompletion4() {
2089        for (ExecutionMode m : ExecutionMode.values())
2090        for (Integer v1 : new Integer[] { 1, null })
2091    {
2092        final CompletableFuture<Integer> f = new CompletableFuture<>();
2093        final CompletableFuture<Integer> g = new CompletableFuture<>();
2094        final IncFunction r = new IncFunction();
2095        final CFException ex = new CFException();
2096
2097        f.completeExceptionally(ex);
2098        g.complete(v1);
2099        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2100
2101        // unspecified behavior
2102        Integer v;
1857          try {
1858 <            assertEquals(inc(v1), h.join());
1859 <            assertEquals(1, r.invocationCount);
1858 >            assertEquals(inc(v1), h1.join());
1859 >            rs[1].assertValue(inc(v1));
1860          } catch (CompletionException ok) {
1861 <            checkCompletedWithWrappedCFException(h, ex);
1862 <            assertEquals(0, r.invocationCount);
1861 >            checkCompletedWithWrappedException(h1, ex);
1862 >            rs[1].assertNotInvoked();
1863 >        }
1864 >        try {
1865 >            assertEquals(inc(v1), h2.join());
1866 >            rs[2].assertValue(inc(v1));
1867 >        } catch (CompletionException ok) {
1868 >            checkCompletedWithWrappedException(h2, ex);
1869 >            rs[2].assertNotInvoked();
1870 >        }
1871 >        try {
1872 >            assertEquals(inc(v1), h3.join());
1873 >            rs[3].assertValue(inc(v1));
1874 >        } catch (CompletionException ok) {
1875 >            checkCompletedWithWrappedException(h3, ex);
1876 >            rs[3].assertNotInvoked();
1877          }
1878  
2111        checkCompletedWithWrappedCFException(f, ex);
2112        checkCompletedNormally(g, v1);
2113    }}
2114
2115    /**
2116     * applyToEither result completes exceptionally if action does
2117     */
2118    public void testApplyToEither_actionFailed1() {
2119        for (ExecutionMode m : ExecutionMode.values())
2120        for (Integer v1 : new Integer[] { 1, null })
2121        for (Integer v2 : new Integer[] { 2, null })
2122    {
2123        final CompletableFuture<Integer> f = new CompletableFuture<>();
2124        final CompletableFuture<Integer> g = new CompletableFuture<>();
2125        final FailingFunction r = new FailingFunction();
2126        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2127
2128        f.complete(v1);
2129        checkCompletedWithWrappedCFException(h);
2130        g.complete(v2);
2131        checkCompletedNormally(f, v1);
2132        checkCompletedNormally(g, v2);
2133    }}
2134
2135    public void testApplyToEither_actionFailed2() {
2136        for (ExecutionMode m : ExecutionMode.values())
2137        for (Integer v1 : new Integer[] { 1, null })
2138        for (Integer v2 : new Integer[] { 2, null })
2139    {
2140        final CompletableFuture<Integer> f = new CompletableFuture<>();
2141        final CompletableFuture<Integer> g = new CompletableFuture<>();
2142        final FailingFunction r = new FailingFunction();
2143        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2144
2145        g.complete(v2);
2146        checkCompletedWithWrappedCFException(h);
2147        f.complete(v1);
1879          checkCompletedNormally(f, v1);
1880 <        checkCompletedNormally(g, v2);
1880 >        checkCompletedExceptionally(g, ex);
1881      }}
1882  
1883      /**
1884       * applyToEither result completes exceptionally if either source cancelled
1885       */
1886 <    public void testApplyToEither_sourceCancelled1() {
1886 >    public void testApplyToEither_sourceCancelled() {
1887          for (ExecutionMode m : ExecutionMode.values())
1888          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1889          for (Integer v1 : new Integer[] { 1, null })
1890      {
1891          final CompletableFuture<Integer> f = new CompletableFuture<>();
1892          final CompletableFuture<Integer> g = new CompletableFuture<>();
1893 <        final IncFunction r = new IncFunction();
1894 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1893 >        final IncFunction[] rs = new IncFunction[6];
1894 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1895  
1896 <        assertTrue(f.cancel(mayInterruptIfRunning));
1897 <        checkCompletedWithWrappedCancellationException(h);
1896 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1897 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1898 >        checkIncomplete(h0);
1899 >        checkIncomplete(h1);
1900 >        rs[0].assertNotInvoked();
1901 >        rs[1].assertNotInvoked();
1902 >        f.cancel(mayInterruptIfRunning);
1903 >        checkCompletedWithWrappedCancellationException(h0);
1904 >        checkCompletedWithWrappedCancellationException(h1);
1905 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1906 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1907 >        checkCompletedWithWrappedCancellationException(h2);
1908 >        checkCompletedWithWrappedCancellationException(h3);
1909          g.complete(v1);
1910  
1911 +        // unspecified behavior - both source completions available
1912 +        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1913 +        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1914 +        try {
1915 +            assertEquals(inc(v1), h4.join());
1916 +            rs[4].assertValue(inc(v1));
1917 +        } catch (CompletionException ok) {
1918 +            checkCompletedWithWrappedCancellationException(h4);
1919 +            rs[4].assertNotInvoked();
1920 +        }
1921 +        try {
1922 +            assertEquals(inc(v1), h5.join());
1923 +            rs[5].assertValue(inc(v1));
1924 +        } catch (CompletionException ok) {
1925 +            checkCompletedWithWrappedCancellationException(h5);
1926 +            rs[5].assertNotInvoked();
1927 +        }
1928 +
1929          checkCancelled(f);
2170        assertEquals(0, r.invocationCount);
1930          checkCompletedNormally(g, v1);
1931 <        checkCompletedWithWrappedCancellationException(h);
1931 >        checkCompletedWithWrappedCancellationException(h0);
1932 >        checkCompletedWithWrappedCancellationException(h1);
1933 >        checkCompletedWithWrappedCancellationException(h2);
1934 >        checkCompletedWithWrappedCancellationException(h3);
1935 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
1936      }}
1937  
1938      public void testApplyToEither_sourceCancelled2() {
1939          for (ExecutionMode m : ExecutionMode.values())
1940          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1941 +        for (boolean fFirst : new boolean[] { true, false })
1942          for (Integer v1 : new Integer[] { 1, null })
1943      {
1944          final CompletableFuture<Integer> f = new CompletableFuture<>();
1945          final CompletableFuture<Integer> g = new CompletableFuture<>();
1946 <        final IncFunction r = new IncFunction();
1947 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2184 <
2185 <        assertTrue(g.cancel(mayInterruptIfRunning));
2186 <        checkCompletedWithWrappedCancellationException(h);
2187 <        f.complete(v1);
2188 <
2189 <        checkCancelled(g);
2190 <        assertEquals(0, r.invocationCount);
2191 <        checkCompletedNormally(f, v1);
2192 <        checkCompletedWithWrappedCancellationException(h);
2193 <    }}
2194 <
2195 <    public void testApplyToEither_sourceCancelled3() {
2196 <        for (ExecutionMode m : ExecutionMode.values())
2197 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2198 <        for (Integer v1 : new Integer[] { 1, null })
2199 <    {
2200 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2201 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2202 <        final IncFunction r = new IncFunction();
1946 >        final IncFunction[] rs = new IncFunction[6];
1947 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1948  
1949 <        assertTrue(g.cancel(mayInterruptIfRunning));
1950 <        f.complete(v1);
1951 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1949 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1950 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1951 >        if (fFirst) {
1952 >            f.complete(v1);
1953 >            g.cancel(mayInterruptIfRunning);
1954 >        } else {
1955 >            g.cancel(mayInterruptIfRunning);
1956 >            f.complete(v1);
1957 >        }
1958 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1959 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1960  
1961 <        // unspecified behavior
2209 <        Integer v;
1961 >        // unspecified behavior - both source completions available
1962          try {
1963 <            assertEquals(inc(v1), h.join());
1964 <            assertEquals(1, r.invocationCount);
1963 >            assertEquals(inc(v1), h0.join());
1964 >            rs[0].assertValue(inc(v1));
1965          } catch (CompletionException ok) {
1966 <            checkCompletedWithWrappedCancellationException(h);
1967 <            assertEquals(0, r.invocationCount);
1966 >            checkCompletedWithWrappedCancellationException(h0);
1967 >            rs[0].assertNotInvoked();
1968 >        }
1969 >        try {
1970 >            assertEquals(inc(v1), h1.join());
1971 >            rs[1].assertValue(inc(v1));
1972 >        } catch (CompletionException ok) {
1973 >            checkCompletedWithWrappedCancellationException(h1);
1974 >            rs[1].assertNotInvoked();
1975 >        }
1976 >        try {
1977 >            assertEquals(inc(v1), h2.join());
1978 >            rs[2].assertValue(inc(v1));
1979 >        } catch (CompletionException ok) {
1980 >            checkCompletedWithWrappedCancellationException(h2);
1981 >            rs[2].assertNotInvoked();
1982          }
2217
2218        checkCancelled(g);
2219        checkCompletedNormally(f, v1);
2220    }}
2221
2222    public void testApplyToEither_sourceCancelled4() {
2223        for (ExecutionMode m : ExecutionMode.values())
2224        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2225        for (Integer v1 : new Integer[] { 1, null })
2226    {
2227        final CompletableFuture<Integer> f = new CompletableFuture<>();
2228        final CompletableFuture<Integer> g = new CompletableFuture<>();
2229        final IncFunction r = new IncFunction();
2230
2231        assertTrue(f.cancel(mayInterruptIfRunning));
2232        g.complete(v1);
2233        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2234
2235        // unspecified behavior
2236        Integer v;
1983          try {
1984 <            assertEquals(inc(v1), h.join());
1985 <            assertEquals(1, r.invocationCount);
1984 >            assertEquals(inc(v1), h3.join());
1985 >            rs[3].assertValue(inc(v1));
1986          } catch (CompletionException ok) {
1987 <            checkCompletedWithWrappedCancellationException(h);
1988 <            assertEquals(0, r.invocationCount);
1987 >            checkCompletedWithWrappedCancellationException(h3);
1988 >            rs[3].assertNotInvoked();
1989          }
1990  
1991 <        checkCancelled(f);
1992 <        checkCompletedNormally(g, v1);
1991 >        checkCompletedNormally(f, v1);
1992 >        checkCancelled(g);
1993      }}
1994  
1995      /**
1996 <     * acceptEither result completes normally after normal completion
2251 <     * of either source
1996 >     * applyToEither result completes exceptionally if action does
1997       */
1998 <    public void testAcceptEither_normalCompletion1() {
1998 >    public void testApplyToEither_actionFailed() {
1999          for (ExecutionMode m : ExecutionMode.values())
2000          for (Integer v1 : new Integer[] { 1, null })
2001          for (Integer v2 : new Integer[] { 2, null })
2002      {
2003          final CompletableFuture<Integer> f = new CompletableFuture<>();
2004          final CompletableFuture<Integer> g = new CompletableFuture<>();
2005 <        final IncAction r = new IncAction();
2006 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2005 >        final FailingFunction[] rs = new FailingFunction[6];
2006 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2007  
2008 +        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2009 +        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2010          f.complete(v1);
2011 <        checkCompletedNormally(h, null);
2012 <        assertEquals(inc(v1), r.value);
2011 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2012 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2013 >        checkCompletedWithWrappedCFException(h0);
2014 >        checkCompletedWithWrappedCFException(h1);
2015 >        checkCompletedWithWrappedCFException(h2);
2016 >        checkCompletedWithWrappedCFException(h3);
2017 >        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2018 >
2019          g.complete(v2);
2020  
2021 <        checkCompletedNormally(f, v1);
2022 <        checkCompletedNormally(g, v2);
2023 <        checkCompletedNormally(h, null);
2271 <    }}
2021 >        // unspecified behavior - both source completions available
2022 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2023 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2024  
2025 <    public void testAcceptEither_normalCompletion2() {
2026 <        for (ExecutionMode m : ExecutionMode.values())
2027 <        for (Integer v1 : new Integer[] { 1, null })
2028 <        for (Integer v2 : new Integer[] { 2, null })
2029 <    {
2030 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2279 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2280 <        final IncAction r = new IncAction();
2281 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2282 <
2283 <        g.complete(v2);
2284 <        checkCompletedNormally(h, null);
2285 <        assertEquals(inc(v2), r.value);
2286 <        f.complete(v1);
2025 >        checkCompletedWithWrappedCFException(h4);
2026 >        assertTrue(Objects.equals(v1, rs[4].value) ||
2027 >                   Objects.equals(v2, rs[4].value));
2028 >        checkCompletedWithWrappedCFException(h5);
2029 >        assertTrue(Objects.equals(v1, rs[5].value) ||
2030 >                   Objects.equals(v2, rs[5].value));
2031  
2032          checkCompletedNormally(f, v1);
2033          checkCompletedNormally(g, v2);
2290        checkCompletedNormally(h, null);
2034      }}
2035  
2036 <    public void testAcceptEither_normalCompletion3() {
2036 >    /**
2037 >     * acceptEither result completes normally after normal completion
2038 >     * of either source
2039 >     */
2040 >    public void testAcceptEither_normalCompletion() {
2041          for (ExecutionMode m : ExecutionMode.values())
2042          for (Integer v1 : new Integer[] { 1, null })
2043          for (Integer v2 : new Integer[] { 2, null })
2044      {
2045          final CompletableFuture<Integer> f = new CompletableFuture<>();
2046          final CompletableFuture<Integer> g = new CompletableFuture<>();
2047 <        final IncAction r = new IncAction();
2047 >        final NoopConsumer[] rs = new NoopConsumer[6];
2048 >        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2049  
2050 +        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2051 +        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2052 +        checkIncomplete(h0);
2053 +        checkIncomplete(h1);
2054 +        rs[0].assertNotInvoked();
2055 +        rs[1].assertNotInvoked();
2056          f.complete(v1);
2057 +        checkCompletedNormally(h0, null);
2058 +        checkCompletedNormally(h1, null);
2059 +        rs[0].assertValue(v1);
2060 +        rs[1].assertValue(v1);
2061 +        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2062 +        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2063 +        checkCompletedNormally(h2, null);
2064 +        checkCompletedNormally(h3, null);
2065 +        rs[2].assertValue(v1);
2066 +        rs[3].assertValue(v1);
2067          g.complete(v2);
2304        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2068  
2069 <        checkCompletedNormally(h, null);
2069 >        // unspecified behavior - both source completions available
2070 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2071 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2072 >        checkCompletedNormally(h4, null);
2073 >        checkCompletedNormally(h5, null);
2074 >        assertTrue(Objects.equals(v1, rs[4].value) ||
2075 >                   Objects.equals(v2, rs[4].value));
2076 >        assertTrue(Objects.equals(v1, rs[5].value) ||
2077 >                   Objects.equals(v2, rs[5].value));
2078 >
2079          checkCompletedNormally(f, v1);
2080          checkCompletedNormally(g, v2);
2081 <
2082 <        // unspecified behavior
2083 <        assertTrue(Objects.equals(r.value, inc(v1)) ||
2084 <                   Objects.equals(r.value, inc(v2)));
2081 >        checkCompletedNormally(h0, null);
2082 >        checkCompletedNormally(h1, null);
2083 >        checkCompletedNormally(h2, null);
2084 >        checkCompletedNormally(h3, null);
2085 >        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2086      }}
2087  
2088      /**
2089       * acceptEither result completes exceptionally after exceptional
2090       * completion of either source
2091       */
2092 <    public void testAcceptEither_exceptionalCompletion1() {
2092 >    public void testAcceptEither_exceptionalCompletion() {
2093          for (ExecutionMode m : ExecutionMode.values())
2094          for (Integer v1 : new Integer[] { 1, null })
2095      {
2096          final CompletableFuture<Integer> f = new CompletableFuture<>();
2097          final CompletableFuture<Integer> g = new CompletableFuture<>();
2325        final IncAction r = new IncAction();
2326        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2098          final CFException ex = new CFException();
2099 +        final NoopConsumer[] rs = new NoopConsumer[6];
2100 +        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2101  
2102 +        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2103 +        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2104 +        checkIncomplete(h0);
2105 +        checkIncomplete(h1);
2106 +        rs[0].assertNotInvoked();
2107 +        rs[1].assertNotInvoked();
2108          f.completeExceptionally(ex);
2109 <        checkCompletedWithWrappedCFException(h, ex);
2109 >        checkCompletedWithWrappedException(h0, ex);
2110 >        checkCompletedWithWrappedException(h1, ex);
2111 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2112 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2113 >        checkCompletedWithWrappedException(h2, ex);
2114 >        checkCompletedWithWrappedException(h3, ex);
2115 >
2116          g.complete(v1);
2117  
2118 <        assertEquals(0, r.invocationCount);
2118 >        // unspecified behavior - both source completions available
2119 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2120 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2121 >        try {
2122 >            assertNull(h4.join());
2123 >            rs[4].assertValue(v1);
2124 >        } catch (CompletionException ok) {
2125 >            checkCompletedWithWrappedException(h4, ex);
2126 >            rs[4].assertNotInvoked();
2127 >        }
2128 >        try {
2129 >            assertNull(h5.join());
2130 >            rs[5].assertValue(v1);
2131 >        } catch (CompletionException ok) {
2132 >            checkCompletedWithWrappedException(h5, ex);
2133 >            rs[5].assertNotInvoked();
2134 >        }
2135 >
2136 >        checkCompletedExceptionally(f, ex);
2137          checkCompletedNormally(g, v1);
2138 <        checkCompletedWithWrappedCFException(f, ex);
2139 <        checkCompletedWithWrappedCFException(h, ex);
2138 >        checkCompletedWithWrappedException(h0, ex);
2139 >        checkCompletedWithWrappedException(h1, ex);
2140 >        checkCompletedWithWrappedException(h2, ex);
2141 >        checkCompletedWithWrappedException(h3, ex);
2142 >        checkCompletedWithWrappedException(h4, ex);
2143 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2144      }}
2145  
2146      public void testAcceptEither_exceptionalCompletion2() {
2147          for (ExecutionMode m : ExecutionMode.values())
2148 +        for (boolean fFirst : new boolean[] { true, false })
2149          for (Integer v1 : new Integer[] { 1, null })
2150      {
2151          final CompletableFuture<Integer> f = new CompletableFuture<>();
2152          final CompletableFuture<Integer> g = new CompletableFuture<>();
2345        final IncAction r = new IncAction();
2346        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2347        final CFException ex = new CFException();
2348
2349        g.completeExceptionally(ex);
2350        checkCompletedWithWrappedCFException(h, ex);
2351        f.complete(v1);
2352
2353        assertEquals(0, r.invocationCount);
2354        checkCompletedNormally(f, v1);
2355        checkCompletedWithWrappedCFException(g, ex);
2356        checkCompletedWithWrappedCFException(h, ex);
2357    }}
2358
2359    public void testAcceptEither_exceptionalCompletion3() {
2360        for (ExecutionMode m : ExecutionMode.values())
2361        for (Integer v1 : new Integer[] { 1, null })
2362    {
2363        final CompletableFuture<Integer> f = new CompletableFuture<>();
2364        final CompletableFuture<Integer> g = new CompletableFuture<>();
2365        final IncAction r = new IncAction();
2153          final CFException ex = new CFException();
2154 +        final NoopConsumer[] rs = new NoopConsumer[6];
2155 +        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2156  
2157 <        g.completeExceptionally(ex);
2158 <        f.complete(v1);
2159 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2157 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2158 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2159 >        if (fFirst) {
2160 >            f.complete(v1);
2161 >            g.completeExceptionally(ex);
2162 >        } else {
2163 >            g.completeExceptionally(ex);
2164 >            f.complete(v1);
2165 >        }
2166 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2167 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2168  
2169 <        // unspecified behavior
2373 <        Integer v;
2169 >        // unspecified behavior - both source completions available
2170          try {
2171 <            assertNull(h.join());
2172 <            assertEquals(1, r.invocationCount);
2377 <            assertEquals(inc(v1), r.value);
2171 >            assertEquals(null, h0.join());
2172 >            rs[0].assertValue(v1);
2173          } catch (CompletionException ok) {
2174 <            checkCompletedWithWrappedCFException(h, ex);
2175 <            assertEquals(0, r.invocationCount);
2174 >            checkCompletedWithWrappedException(h0, ex);
2175 >            rs[0].assertNotInvoked();
2176          }
2382
2383        checkCompletedWithWrappedCFException(g, ex);
2384        checkCompletedNormally(f, v1);
2385    }}
2386
2387    public void testAcceptEither_exceptionalCompletion4() {
2388        for (ExecutionMode m : ExecutionMode.values())
2389        for (Integer v1 : new Integer[] { 1, null })
2390    {
2391        final CompletableFuture<Integer> f = new CompletableFuture<>();
2392        final CompletableFuture<Integer> g = new CompletableFuture<>();
2393        final IncAction r = new IncAction();
2394        final CFException ex = new CFException();
2395
2396        f.completeExceptionally(ex);
2397        g.complete(v1);
2398        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2399
2400        // unspecified behavior
2401        Integer v;
2177          try {
2178 <            assertNull(h.join());
2179 <            assertEquals(1, r.invocationCount);
2405 <            assertEquals(inc(v1), r.value);
2178 >            assertEquals(null, h1.join());
2179 >            rs[1].assertValue(v1);
2180          } catch (CompletionException ok) {
2181 <            checkCompletedWithWrappedCFException(h, ex);
2182 <            assertEquals(0, r.invocationCount);
2181 >            checkCompletedWithWrappedException(h1, ex);
2182 >            rs[1].assertNotInvoked();
2183 >        }
2184 >        try {
2185 >            assertEquals(null, h2.join());
2186 >            rs[2].assertValue(v1);
2187 >        } catch (CompletionException ok) {
2188 >            checkCompletedWithWrappedException(h2, ex);
2189 >            rs[2].assertNotInvoked();
2190 >        }
2191 >        try {
2192 >            assertEquals(null, h3.join());
2193 >            rs[3].assertValue(v1);
2194 >        } catch (CompletionException ok) {
2195 >            checkCompletedWithWrappedException(h3, ex);
2196 >            rs[3].assertNotInvoked();
2197          }
2198  
2411        checkCompletedWithWrappedCFException(f, ex);
2412        checkCompletedNormally(g, v1);
2413    }}
2414
2415    /**
2416     * acceptEither result completes exceptionally if action does
2417     */
2418    public void testAcceptEither_actionFailed1() {
2419        for (ExecutionMode m : ExecutionMode.values())
2420        for (Integer v1 : new Integer[] { 1, null })
2421        for (Integer v2 : new Integer[] { 2, null })
2422    {
2423        final CompletableFuture<Integer> f = new CompletableFuture<>();
2424        final CompletableFuture<Integer> g = new CompletableFuture<>();
2425        final FailingConsumer r = new FailingConsumer();
2426        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2427
2428        f.complete(v1);
2429        checkCompletedWithWrappedCFException(h);
2430        g.complete(v2);
2431        checkCompletedNormally(f, v1);
2432        checkCompletedNormally(g, v2);
2433    }}
2434
2435    public void testAcceptEither_actionFailed2() {
2436        for (ExecutionMode m : ExecutionMode.values())
2437        for (Integer v1 : new Integer[] { 1, null })
2438        for (Integer v2 : new Integer[] { 2, null })
2439    {
2440        final CompletableFuture<Integer> f = new CompletableFuture<>();
2441        final CompletableFuture<Integer> g = new CompletableFuture<>();
2442        final FailingConsumer r = new FailingConsumer();
2443        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2444
2445        g.complete(v2);
2446        checkCompletedWithWrappedCFException(h);
2447        f.complete(v1);
2199          checkCompletedNormally(f, v1);
2200 <        checkCompletedNormally(g, v2);
2200 >        checkCompletedExceptionally(g, ex);
2201      }}
2202  
2203      /**
2204       * acceptEither result completes exceptionally if either source cancelled
2205       */
2206 <    public void testAcceptEither_sourceCancelled1() {
2206 >    public void testAcceptEither_sourceCancelled() {
2207          for (ExecutionMode m : ExecutionMode.values())
2208          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2209          for (Integer v1 : new Integer[] { 1, null })
2210      {
2211          final CompletableFuture<Integer> f = new CompletableFuture<>();
2212          final CompletableFuture<Integer> g = new CompletableFuture<>();
2213 <        final IncAction r = new IncAction();
2214 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2464 <
2465 <        assertTrue(f.cancel(mayInterruptIfRunning));
2466 <        checkCompletedWithWrappedCancellationException(h);
2467 <        g.complete(v1);
2468 <
2469 <        checkCancelled(f);
2470 <        assertEquals(0, r.invocationCount);
2471 <        checkCompletedNormally(g, v1);
2472 <        checkCompletedWithWrappedCancellationException(h);
2473 <    }}
2474 <
2475 <    public void testAcceptEither_sourceCancelled2() {
2476 <        for (ExecutionMode m : ExecutionMode.values())
2477 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2478 <        for (Integer v1 : new Integer[] { 1, null })
2479 <    {
2480 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2481 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2482 <        final IncAction r = new IncAction();
2483 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2484 <
2485 <        assertTrue(g.cancel(mayInterruptIfRunning));
2486 <        checkCompletedWithWrappedCancellationException(h);
2487 <        f.complete(v1);
2213 >        final NoopConsumer[] rs = new NoopConsumer[6];
2214 >        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2215  
2216 <        checkCancelled(g);
2217 <        assertEquals(0, r.invocationCount);
2218 <        checkCompletedNormally(f, v1);
2219 <        checkCompletedWithWrappedCancellationException(h);
2220 <    }}
2216 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2217 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2218 >        checkIncomplete(h0);
2219 >        checkIncomplete(h1);
2220 >        rs[0].assertNotInvoked();
2221 >        rs[1].assertNotInvoked();
2222 >        f.cancel(mayInterruptIfRunning);
2223 >        checkCompletedWithWrappedCancellationException(h0);
2224 >        checkCompletedWithWrappedCancellationException(h1);
2225 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2226 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2227 >        checkCompletedWithWrappedCancellationException(h2);
2228 >        checkCompletedWithWrappedCancellationException(h3);
2229  
2230 <    public void testAcceptEither_sourceCancelled3() {
2496 <        for (ExecutionMode m : ExecutionMode.values())
2497 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2498 <        for (Integer v1 : new Integer[] { 1, null })
2499 <    {
2500 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2501 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2502 <        final IncAction r = new IncAction();
2503 <
2504 <        assertTrue(g.cancel(mayInterruptIfRunning));
2505 <        f.complete(v1);
2506 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2230 >        g.complete(v1);
2231  
2232 <        // unspecified behavior
2233 <        Integer v;
2232 >        // unspecified behavior - both source completions available
2233 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2234 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2235          try {
2236 <            assertNull(h.join());
2237 <            assertEquals(1, r.invocationCount);
2513 <            assertEquals(inc(v1), r.value);
2236 >            assertNull(h4.join());
2237 >            rs[4].assertValue(v1);
2238          } catch (CompletionException ok) {
2239 <            checkCompletedWithWrappedCancellationException(h);
2240 <            assertEquals(0, r.invocationCount);
2239 >            checkCompletedWithWrappedCancellationException(h4);
2240 >            rs[4].assertNotInvoked();
2241          }
2518
2519        checkCancelled(g);
2520        checkCompletedNormally(f, v1);
2521    }}
2522
2523    public void testAcceptEither_sourceCancelled4() {
2524        for (ExecutionMode m : ExecutionMode.values())
2525        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2526        for (Integer v1 : new Integer[] { 1, null })
2527    {
2528        final CompletableFuture<Integer> f = new CompletableFuture<>();
2529        final CompletableFuture<Integer> g = new CompletableFuture<>();
2530        final IncAction r = new IncAction();
2531
2532        assertTrue(f.cancel(mayInterruptIfRunning));
2533        g.complete(v1);
2534        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2535
2536        // unspecified behavior
2537        Integer v;
2242          try {
2243 <            assertNull(h.join());
2244 <            assertEquals(1, r.invocationCount);
2541 <            assertEquals(inc(v1), r.value);
2243 >            assertNull(h5.join());
2244 >            rs[5].assertValue(v1);
2245          } catch (CompletionException ok) {
2246 <            checkCompletedWithWrappedCancellationException(h);
2247 <            assertEquals(0, r.invocationCount);
2246 >            checkCompletedWithWrappedCancellationException(h5);
2247 >            rs[5].assertNotInvoked();
2248          }
2249  
2250          checkCancelled(f);
2251          checkCompletedNormally(g, v1);
2252 +        checkCompletedWithWrappedCancellationException(h0);
2253 +        checkCompletedWithWrappedCancellationException(h1);
2254 +        checkCompletedWithWrappedCancellationException(h2);
2255 +        checkCompletedWithWrappedCancellationException(h3);
2256 +        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2257      }}
2258  
2259      /**
2260 <     * runAfterEither result completes normally after normal completion
2553 <     * of either source
2260 >     * acceptEither result completes exceptionally if action does
2261       */
2262 <    public void testRunAfterEither_normalCompletion1() {
2262 >    public void testAcceptEither_actionFailed() {
2263          for (ExecutionMode m : ExecutionMode.values())
2264          for (Integer v1 : new Integer[] { 1, null })
2265          for (Integer v2 : new Integer[] { 2, null })
2266      {
2267          final CompletableFuture<Integer> f = new CompletableFuture<>();
2268          final CompletableFuture<Integer> g = new CompletableFuture<>();
2269 <        final Noop r = new Noop();
2270 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2269 >        final FailingConsumer[] rs = new FailingConsumer[6];
2270 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2271  
2272 +        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2273 +        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2274          f.complete(v1);
2275 <        checkCompletedNormally(h, null);
2276 <        assertEquals(1, r.invocationCount);
2277 <        g.complete(v2);
2275 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2276 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2277 >        checkCompletedWithWrappedCFException(h0);
2278 >        checkCompletedWithWrappedCFException(h1);
2279 >        checkCompletedWithWrappedCFException(h2);
2280 >        checkCompletedWithWrappedCFException(h3);
2281 >        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2282  
2283 <        checkCompletedNormally(f, v1);
2571 <        checkCompletedNormally(g, v2);
2572 <        checkCompletedNormally(h, null);
2573 <        assertEquals(1, r.invocationCount);
2574 <    }}
2283 >        g.complete(v2);
2284  
2285 <    public void testRunAfterEither_normalCompletion2() {
2286 <        for (ExecutionMode m : ExecutionMode.values())
2287 <        for (Integer v1 : new Integer[] { 1, null })
2579 <        for (Integer v2 : new Integer[] { 2, null })
2580 <    {
2581 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2582 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2583 <        final Noop r = new Noop();
2584 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2285 >        // unspecified behavior - both source completions available
2286 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2287 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2288  
2289 <        g.complete(v2);
2290 <        checkCompletedNormally(h, null);
2291 <        assertEquals(1, r.invocationCount);
2292 <        f.complete(v1);
2289 >        checkCompletedWithWrappedCFException(h4);
2290 >        assertTrue(Objects.equals(v1, rs[4].value) ||
2291 >                   Objects.equals(v2, rs[4].value));
2292 >        checkCompletedWithWrappedCFException(h5);
2293 >        assertTrue(Objects.equals(v1, rs[5].value) ||
2294 >                   Objects.equals(v2, rs[5].value));
2295  
2296          checkCompletedNormally(f, v1);
2297          checkCompletedNormally(g, v2);
2298 <        checkCompletedNormally(h, null);
2594 <        assertEquals(1, r.invocationCount);
2595 <        }}
2298 >    }}
2299  
2300 <    public void testRunAfterEither_normalCompletion3() {
2300 >    /**
2301 >     * runAfterEither result completes normally after normal completion
2302 >     * of either source
2303 >     */
2304 >    public void testRunAfterEither_normalCompletion() {
2305          for (ExecutionMode m : ExecutionMode.values())
2306          for (Integer v1 : new Integer[] { 1, null })
2307          for (Integer v2 : new Integer[] { 2, null })
2308      {
2309          final CompletableFuture<Integer> f = new CompletableFuture<>();
2310          final CompletableFuture<Integer> g = new CompletableFuture<>();
2311 <        final Noop r = new Noop();
2311 >        final Noop[] rs = new Noop[6];
2312 >        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2313  
2314 +        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2315 +        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2316 +        checkIncomplete(h0);
2317 +        checkIncomplete(h1);
2318 +        rs[0].assertNotInvoked();
2319 +        rs[1].assertNotInvoked();
2320          f.complete(v1);
2321 +        checkCompletedNormally(h0, null);
2322 +        checkCompletedNormally(h1, null);
2323 +        rs[0].assertInvoked();
2324 +        rs[1].assertInvoked();
2325 +        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2326 +        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2327 +        checkCompletedNormally(h2, null);
2328 +        checkCompletedNormally(h3, null);
2329 +        rs[2].assertInvoked();
2330 +        rs[3].assertInvoked();
2331 +
2332          g.complete(v2);
2608        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2333  
2334 <        checkCompletedNormally(h, null);
2334 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2335 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2336 >
2337          checkCompletedNormally(f, v1);
2338          checkCompletedNormally(g, v2);
2339 <        assertEquals(1, r.invocationCount);
2339 >        checkCompletedNormally(h0, null);
2340 >        checkCompletedNormally(h1, null);
2341 >        checkCompletedNormally(h2, null);
2342 >        checkCompletedNormally(h3, null);
2343 >        checkCompletedNormally(h4, null);
2344 >        checkCompletedNormally(h5, null);
2345 >        for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2346      }}
2347  
2348      /**
2349       * runAfterEither result completes exceptionally after exceptional
2350       * completion of either source
2351       */
2352 <    public void testRunAfterEither_exceptionalCompletion1() {
2352 >    public void testRunAfterEither_exceptionalCompletion() {
2353          for (ExecutionMode m : ExecutionMode.values())
2354          for (Integer v1 : new Integer[] { 1, null })
2355      {
2356          final CompletableFuture<Integer> f = new CompletableFuture<>();
2357          final CompletableFuture<Integer> g = new CompletableFuture<>();
2626        final Noop r = new Noop();
2627        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2358          final CFException ex = new CFException();
2359 +        final Noop[] rs = new Noop[6];
2360 +        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2361  
2362 +        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2363 +        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2364 +        checkIncomplete(h0);
2365 +        checkIncomplete(h1);
2366 +        rs[0].assertNotInvoked();
2367 +        rs[1].assertNotInvoked();
2368          f.completeExceptionally(ex);
2369 <        checkCompletedWithWrappedCFException(h, ex);
2369 >        checkCompletedWithWrappedException(h0, ex);
2370 >        checkCompletedWithWrappedException(h1, ex);
2371 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2372 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2373 >        checkCompletedWithWrappedException(h2, ex);
2374 >        checkCompletedWithWrappedException(h3, ex);
2375 >
2376          g.complete(v1);
2377  
2378 <        assertEquals(0, r.invocationCount);
2378 >        // unspecified behavior - both source completions available
2379 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2380 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2381 >        try {
2382 >            assertNull(h4.join());
2383 >            rs[4].assertInvoked();
2384 >        } catch (CompletionException ok) {
2385 >            checkCompletedWithWrappedException(h4, ex);
2386 >            rs[4].assertNotInvoked();
2387 >        }
2388 >        try {
2389 >            assertNull(h5.join());
2390 >            rs[5].assertInvoked();
2391 >        } catch (CompletionException ok) {
2392 >            checkCompletedWithWrappedException(h5, ex);
2393 >            rs[5].assertNotInvoked();
2394 >        }
2395 >
2396 >        checkCompletedExceptionally(f, ex);
2397          checkCompletedNormally(g, v1);
2398 <        checkCompletedWithWrappedCFException(f, ex);
2399 <        checkCompletedWithWrappedCFException(h, ex);
2398 >        checkCompletedWithWrappedException(h0, ex);
2399 >        checkCompletedWithWrappedException(h1, ex);
2400 >        checkCompletedWithWrappedException(h2, ex);
2401 >        checkCompletedWithWrappedException(h3, ex);
2402 >        checkCompletedWithWrappedException(h4, ex);
2403 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2404      }}
2405  
2406      public void testRunAfterEither_exceptionalCompletion2() {
2407          for (ExecutionMode m : ExecutionMode.values())
2408 +        for (boolean fFirst : new boolean[] { true, false })
2409          for (Integer v1 : new Integer[] { 1, null })
2410      {
2411          final CompletableFuture<Integer> f = new CompletableFuture<>();
2412          final CompletableFuture<Integer> g = new CompletableFuture<>();
2646        final Noop r = new Noop();
2647        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2648        final CFException ex = new CFException();
2649
2650        g.completeExceptionally(ex);
2651        checkCompletedWithWrappedCFException(h, ex);
2652        f.complete(v1);
2653
2654        assertEquals(0, r.invocationCount);
2655        checkCompletedNormally(f, v1);
2656        checkCompletedWithWrappedCFException(g, ex);
2657        checkCompletedWithWrappedCFException(h, ex);
2658    }}
2659
2660    public void testRunAfterEither_exceptionalCompletion3() {
2661        for (ExecutionMode m : ExecutionMode.values())
2662        for (Integer v1 : new Integer[] { 1, null })
2663    {
2664        final CompletableFuture<Integer> f = new CompletableFuture<>();
2665        final CompletableFuture<Integer> g = new CompletableFuture<>();
2666        final Noop r = new Noop();
2413          final CFException ex = new CFException();
2414 +        final Noop[] rs = new Noop[6];
2415 +        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2416  
2417 <        g.completeExceptionally(ex);
2418 <        f.complete(v1);
2419 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2417 >        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2418 >        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2419 >        if (fFirst) {
2420 >            f.complete(v1);
2421 >            g.completeExceptionally(ex);
2422 >        } else {
2423 >            g.completeExceptionally(ex);
2424 >            f.complete(v1);
2425 >        }
2426 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2427 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2428  
2429 <        // unspecified behavior
2430 <        Integer v;
2429 >        // unspecified behavior - both source completions available
2430 >        try {
2431 >            assertEquals(null, h0.join());
2432 >            rs[0].assertInvoked();
2433 >        } catch (CompletionException ok) {
2434 >            checkCompletedWithWrappedException(h0, ex);
2435 >            rs[0].assertNotInvoked();
2436 >        }
2437 >        try {
2438 >            assertEquals(null, h1.join());
2439 >            rs[1].assertInvoked();
2440 >        } catch (CompletionException ok) {
2441 >            checkCompletedWithWrappedException(h1, ex);
2442 >            rs[1].assertNotInvoked();
2443 >        }
2444          try {
2445 <            assertNull(h.join());
2446 <            assertEquals(1, r.invocationCount);
2445 >            assertEquals(null, h2.join());
2446 >            rs[2].assertInvoked();
2447          } catch (CompletionException ok) {
2448 <            checkCompletedWithWrappedCFException(h, ex);
2449 <            assertEquals(0, r.invocationCount);
2448 >            checkCompletedWithWrappedException(h2, ex);
2449 >            rs[2].assertNotInvoked();
2450 >        }
2451 >        try {
2452 >            assertEquals(null, h3.join());
2453 >            rs[3].assertInvoked();
2454 >        } catch (CompletionException ok) {
2455 >            checkCompletedWithWrappedException(h3, ex);
2456 >            rs[3].assertNotInvoked();
2457          }
2458  
2683        checkCompletedWithWrappedCFException(g, ex);
2459          checkCompletedNormally(f, v1);
2460 +        checkCompletedExceptionally(g, ex);
2461      }}
2462  
2463 <    public void testRunAfterEither_exceptionalCompletion4() {
2463 >    /**
2464 >     * runAfterEither result completes exceptionally if either source cancelled
2465 >     */
2466 >    public void testRunAfterEither_sourceCancelled() {
2467          for (ExecutionMode m : ExecutionMode.values())
2468 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2469          for (Integer v1 : new Integer[] { 1, null })
2470      {
2471          final CompletableFuture<Integer> f = new CompletableFuture<>();
2472          final CompletableFuture<Integer> g = new CompletableFuture<>();
2473 <        final Noop r = new Noop();
2474 <        final CFException ex = new CFException();
2473 >        final Noop[] rs = new Noop[6];
2474 >        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2475 >
2476 >        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2477 >        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2478 >        checkIncomplete(h0);
2479 >        checkIncomplete(h1);
2480 >        rs[0].assertNotInvoked();
2481 >        rs[1].assertNotInvoked();
2482 >        f.cancel(mayInterruptIfRunning);
2483 >        checkCompletedWithWrappedCancellationException(h0);
2484 >        checkCompletedWithWrappedCancellationException(h1);
2485 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2486 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2487 >        checkCompletedWithWrappedCancellationException(h2);
2488 >        checkCompletedWithWrappedCancellationException(h3);
2489  
2696        f.completeExceptionally(ex);
2490          g.complete(v1);
2698        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2491  
2492 <        // unspecified behavior
2493 <        Integer v;
2492 >        // unspecified behavior - both source completions available
2493 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2494 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2495 >        try {
2496 >            assertNull(h4.join());
2497 >            rs[4].assertInvoked();
2498 >        } catch (CompletionException ok) {
2499 >            checkCompletedWithWrappedCancellationException(h4);
2500 >            rs[4].assertNotInvoked();
2501 >        }
2502          try {
2503 <            assertNull(h.join());
2504 <            assertEquals(1, r.invocationCount);
2503 >            assertNull(h5.join());
2504 >            rs[5].assertInvoked();
2505          } catch (CompletionException ok) {
2506 <            checkCompletedWithWrappedCFException(h, ex);
2507 <            assertEquals(0, r.invocationCount);
2506 >            checkCompletedWithWrappedCancellationException(h5);
2507 >            rs[5].assertNotInvoked();
2508          }
2509  
2510 <        checkCompletedWithWrappedCFException(f, ex);
2510 >        checkCancelled(f);
2511          checkCompletedNormally(g, v1);
2512 +        checkCompletedWithWrappedCancellationException(h0);
2513 +        checkCompletedWithWrappedCancellationException(h1);
2514 +        checkCompletedWithWrappedCancellationException(h2);
2515 +        checkCompletedWithWrappedCancellationException(h3);
2516 +        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2517      }}
2518  
2519      /**
2520       * runAfterEither result completes exceptionally if action does
2521       */
2522 <    public void testRunAfterEither_actionFailed1() {
2522 >    public void testRunAfterEither_actionFailed() {
2523          for (ExecutionMode m : ExecutionMode.values())
2524          for (Integer v1 : new Integer[] { 1, null })
2525          for (Integer v2 : new Integer[] { 2, null })
2526      {
2527          final CompletableFuture<Integer> f = new CompletableFuture<>();
2528          final CompletableFuture<Integer> g = new CompletableFuture<>();
2529 <        final FailingNoop r = new FailingNoop();
2530 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2529 >        final FailingRunnable[] rs = new FailingRunnable[6];
2530 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2531  
2532 +        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2533 +        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2534          f.complete(v1);
2535 <        checkCompletedWithWrappedCFException(h);
2535 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2536 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2537 >        checkCompletedWithWrappedCFException(h0);
2538 >        checkCompletedWithWrappedCFException(h1);
2539 >        checkCompletedWithWrappedCFException(h2);
2540 >        checkCompletedWithWrappedCFException(h3);
2541 >        for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2542          g.complete(v2);
2543 <        checkCompletedNormally(f, v1);
2544 <        checkCompletedNormally(g, v2);
2545 <    }}
2543 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2544 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2545 >        checkCompletedWithWrappedCFException(h4);
2546 >        checkCompletedWithWrappedCFException(h5);
2547  
2734    public void testRunAfterEither_actionFailed2() {
2735        for (ExecutionMode m : ExecutionMode.values())
2736        for (Integer v1 : new Integer[] { 1, null })
2737        for (Integer v2 : new Integer[] { 2, null })
2738    {
2739        final CompletableFuture<Integer> f = new CompletableFuture<>();
2740        final CompletableFuture<Integer> g = new CompletableFuture<>();
2741        final FailingNoop r = new FailingNoop();
2742        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2743
2744        g.complete(v2);
2745        checkCompletedWithWrappedCFException(h);
2746        f.complete(v1);
2548          checkCompletedNormally(f, v1);
2549          checkCompletedNormally(g, v2);
2550 <    }}
2750 <
2751 <    /**
2752 <     * runAfterEither result completes exceptionally if either source cancelled
2753 <     */
2754 <    public void testRunAfterEither_sourceCancelled1() {
2755 <        for (ExecutionMode m : ExecutionMode.values())
2756 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2757 <        for (Integer v1 : new Integer[] { 1, null })
2758 <    {
2759 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2760 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2761 <        final Noop r = new Noop();
2762 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2763 <
2764 <        assertTrue(f.cancel(mayInterruptIfRunning));
2765 <        checkCompletedWithWrappedCancellationException(h);
2766 <        g.complete(v1);
2767 <
2768 <        checkCancelled(f);
2769 <        assertEquals(0, r.invocationCount);
2770 <        checkCompletedNormally(g, v1);
2771 <        checkCompletedWithWrappedCancellationException(h);
2772 <    }}
2773 <
2774 <    public void testRunAfterEither_sourceCancelled2() {
2775 <        for (ExecutionMode m : ExecutionMode.values())
2776 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2777 <        for (Integer v1 : new Integer[] { 1, null })
2778 <    {
2779 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2780 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2781 <        final Noop r = new Noop();
2782 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2783 <
2784 <        assertTrue(g.cancel(mayInterruptIfRunning));
2785 <        checkCompletedWithWrappedCancellationException(h);
2786 <        f.complete(v1);
2787 <
2788 <        checkCancelled(g);
2789 <        assertEquals(0, r.invocationCount);
2790 <        checkCompletedNormally(f, v1);
2791 <        checkCompletedWithWrappedCancellationException(h);
2792 <    }}
2793 <
2794 <    public void testRunAfterEither_sourceCancelled3() {
2795 <        for (ExecutionMode m : ExecutionMode.values())
2796 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2797 <        for (Integer v1 : new Integer[] { 1, null })
2798 <    {
2799 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2800 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2801 <        final Noop r = new Noop();
2802 <
2803 <        assertTrue(g.cancel(mayInterruptIfRunning));
2804 <        f.complete(v1);
2805 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2806 <
2807 <        // unspecified behavior
2808 <        Integer v;
2809 <        try {
2810 <            assertNull(h.join());
2811 <            assertEquals(1, r.invocationCount);
2812 <        } catch (CompletionException ok) {
2813 <            checkCompletedWithWrappedCancellationException(h);
2814 <            assertEquals(0, r.invocationCount);
2815 <        }
2816 <
2817 <        checkCancelled(g);
2818 <        checkCompletedNormally(f, v1);
2819 <    }}
2820 <
2821 <    public void testRunAfterEither_sourceCancelled4() {
2822 <        for (ExecutionMode m : ExecutionMode.values())
2823 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2824 <        for (Integer v1 : new Integer[] { 1, null })
2825 <    {
2826 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2827 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2828 <        final Noop r = new Noop();
2829 <
2830 <        assertTrue(f.cancel(mayInterruptIfRunning));
2831 <        g.complete(v1);
2832 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2833 <
2834 <        // unspecified behavior
2835 <        Integer v;
2836 <        try {
2837 <            assertNull(h.join());
2838 <            assertEquals(1, r.invocationCount);
2839 <        } catch (CompletionException ok) {
2840 <            checkCompletedWithWrappedCancellationException(h);
2841 <            assertEquals(0, r.invocationCount);
2842 <        }
2843 <
2844 <        checkCancelled(f);
2845 <        checkCompletedNormally(g, v1);
2550 >        for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2551      }}
2552  
2553      /**
# Line 2854 | Line 2559 | public class CompletableFutureTest exten
2559          for (Integer v1 : new Integer[] { 1, null })
2560      {
2561          final CompletableFuture<Integer> f = new CompletableFuture<>();
2562 <        final CompletableFutureInc r = new CompletableFutureInc();
2562 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2563          if (!createIncomplete) f.complete(v1);
2564 <        final CompletableFuture<Integer> g = f.thenCompose(r);
2564 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2565          if (createIncomplete) f.complete(v1);
2566  
2567          checkCompletedNormally(g, inc(v1));
2568          checkCompletedNormally(f, v1);
2569 <        assertEquals(1, r.invocationCount);
2569 >        r.assertValue(v1);
2570      }}
2571  
2572      /**
# Line 2873 | Line 2578 | public class CompletableFutureTest exten
2578          for (boolean createIncomplete : new boolean[] { true, false })
2579      {
2580          final CFException ex = new CFException();
2581 <        final CompletableFutureInc r = new CompletableFutureInc();
2581 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2582          final CompletableFuture<Integer> f = new CompletableFuture<>();
2583          if (!createIncomplete) f.completeExceptionally(ex);
2584 <        final CompletableFuture<Integer> g = f.thenCompose(r);
2584 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2585          if (createIncomplete) f.completeExceptionally(ex);
2586  
2587 <        checkCompletedWithWrappedCFException(g, ex);
2588 <        checkCompletedWithWrappedCFException(f, ex);
2589 <        assertEquals(0, r.invocationCount);
2587 >        checkCompletedWithWrappedException(g, ex);
2588 >        checkCompletedExceptionally(f, ex);
2589 >        r.assertNotInvoked();
2590      }}
2591  
2592      /**
# Line 2894 | Line 2599 | public class CompletableFutureTest exten
2599      {
2600          final CompletableFuture<Integer> f = new CompletableFuture<>();
2601          final FailingCompletableFutureFunction r
2602 <            = new FailingCompletableFutureFunction();
2602 >            = new FailingCompletableFutureFunction(m);
2603          if (!createIncomplete) f.complete(v1);
2604 <        final CompletableFuture<Integer> g = f.thenCompose(r);
2604 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2605          if (createIncomplete) f.complete(v1);
2606  
2607          checkCompletedWithWrappedCFException(g);
# Line 2912 | Line 2617 | public class CompletableFutureTest exten
2617          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2618      {
2619          final CompletableFuture<Integer> f = new CompletableFuture<>();
2620 <        final CompletableFutureInc r = new CompletableFutureInc();
2620 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2621          if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2622 <        final CompletableFuture<Integer> g = f.thenCompose(r);
2623 <        if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2622 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2623 >        if (createIncomplete) {
2624 >            checkIncomplete(g);
2625 >            assertTrue(f.cancel(mayInterruptIfRunning));
2626 >        }
2627  
2628          checkCompletedWithWrappedCancellationException(g);
2629          checkCancelled(f);
2630      }}
2631  
2924    // asyncs
2925
2926    /**
2927     * thenApplyAsync result completes normally after normal completion of source
2928     */
2929    public void testThenApplyAsync() {
2930        CompletableFuture<Integer> f = new CompletableFuture<>();
2931        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2932        f.complete(one);
2933        checkCompletedNormally(g, two);
2934    }
2935
2936    /**
2937     * thenApplyAsync result completes exceptionally after exceptional
2938     * completion of source
2939     */
2940    public void testThenApplyAsync2() {
2941        CompletableFuture<Integer> f = new CompletableFuture<>();
2942        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2943        f.completeExceptionally(new CFException());
2944        checkCompletedWithWrappedCFException(g);
2945    }
2946
2947    /**
2948     * thenApplyAsync result completes exceptionally if action does
2949     */
2950    public void testThenApplyAsync3() {
2951        CompletableFuture<Integer> f = new CompletableFuture<>();
2952        FailingFunction r = new FailingFunction();
2953        CompletableFuture<Integer> g = f.thenApplyAsync(r);
2954        f.complete(null);
2955        checkCompletedWithWrappedCFException(g);
2956    }
2957
2958    /**
2959     * thenApplyAsync result completes exceptionally if source cancelled
2960     */
2961    public void testThenApplyAsync4() {
2962        CompletableFuture<Integer> f = new CompletableFuture<>();
2963        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2964        assertTrue(f.cancel(true));
2965        checkCompletedWithWrappedCancellationException(g);
2966    }
2967
2968    /**
2969     * thenAcceptAsync result completes normally after normal
2970     * completion of source
2971     */
2972    public void testThenAcceptAsync() {
2973        CompletableFuture<Integer> f = new CompletableFuture<>();
2974        IncAction r = new IncAction();
2975        CompletableFuture<Void> g = f.thenAcceptAsync(r);
2976        f.complete(one);
2977        checkCompletedNormally(g, null);
2978        assertEquals(r.value, (Integer) 2);
2979    }
2980
2981    /**
2982     * thenAcceptAsync result completes exceptionally after exceptional
2983     * completion of source
2984     */
2985    public void testThenAcceptAsync2() {
2986        CompletableFuture<Integer> f = new CompletableFuture<>();
2987        IncAction r = new IncAction();
2988        CompletableFuture<Void> g = f.thenAcceptAsync(r);
2989        f.completeExceptionally(new CFException());
2990        checkCompletedWithWrappedCFException(g);
2991    }
2992
2993    /**
2994     * thenAcceptAsync result completes exceptionally if action does
2995     */
2996    public void testThenAcceptAsync3() {
2997        CompletableFuture<Integer> f = new CompletableFuture<>();
2998        FailingConsumer r = new FailingConsumer();
2999        CompletableFuture<Void> g = f.thenAcceptAsync(r);
3000        f.complete(null);
3001        checkCompletedWithWrappedCFException(g);
3002    }
3003
3004    /**
3005     * thenAcceptAsync result completes exceptionally if source cancelled
3006     */
3007    public void testThenAcceptAsync4() {
3008        CompletableFuture<Integer> f = new CompletableFuture<>();
3009        IncAction r = new IncAction();
3010        CompletableFuture<Void> g = f.thenAcceptAsync(r);
3011        assertTrue(f.cancel(true));
3012        checkCompletedWithWrappedCancellationException(g);
3013    }
3014
3015    // async with explicit executors
3016
3017    /**
3018     * thenApplyAsync result completes normally after normal completion of source
3019     */
3020    public void testThenApplyAsyncE() {
3021        CompletableFuture<Integer> f = new CompletableFuture<>();
3022        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3023        f.complete(one);
3024        checkCompletedNormally(g, two);
3025    }
3026
3027    /**
3028     * thenApplyAsync result completes exceptionally after exceptional
3029     * completion of source
3030     */
3031    public void testThenApplyAsync2E() {
3032        CompletableFuture<Integer> f = new CompletableFuture<>();
3033        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3034        f.completeExceptionally(new CFException());
3035        checkCompletedWithWrappedCFException(g);
3036    }
3037
3038    /**
3039     * thenApplyAsync result completes exceptionally if action does
3040     */
3041    public void testThenApplyAsync3E() {
3042        CompletableFuture<Integer> f = new CompletableFuture<>();
3043        FailingFunction r = new FailingFunction();
3044        CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3045        f.complete(null);
3046        checkCompletedWithWrappedCFException(g);
3047    }
3048
3049    /**
3050     * thenApplyAsync result completes exceptionally if source cancelled
3051     */
3052    public void testThenApplyAsync4E() {
3053        CompletableFuture<Integer> f = new CompletableFuture<>();
3054        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3055        assertTrue(f.cancel(true));
3056        checkCompletedWithWrappedCancellationException(g);
3057    }
3058
3059    /**
3060     * thenAcceptAsync result completes normally after normal
3061     * completion of source
3062     */
3063    public void testThenAcceptAsyncE() {
3064        CompletableFuture<Integer> f = new CompletableFuture<>();
3065        IncAction r = new IncAction();
3066        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3067        f.complete(one);
3068        checkCompletedNormally(g, null);
3069        assertEquals(r.value, (Integer) 2);
3070    }
3071
3072    /**
3073     * thenAcceptAsync result completes exceptionally after exceptional
3074     * completion of source
3075     */
3076    public void testThenAcceptAsync2E() {
3077        CompletableFuture<Integer> f = new CompletableFuture<>();
3078        IncAction r = new IncAction();
3079        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3080        f.completeExceptionally(new CFException());
3081        checkCompletedWithWrappedCFException(g);
3082    }
3083
3084    /**
3085     * thenAcceptAsync result completes exceptionally if action does
3086     */
3087    public void testThenAcceptAsync3E() {
3088        CompletableFuture<Integer> f = new CompletableFuture<>();
3089        FailingConsumer r = new FailingConsumer();
3090        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3091        f.complete(null);
3092        checkCompletedWithWrappedCFException(g);
3093    }
3094
3095    /**
3096     * thenAcceptAsync result completes exceptionally if source cancelled
3097     */
3098    public void testThenAcceptAsync4E() {
3099        CompletableFuture<Integer> f = new CompletableFuture<>();
3100        IncAction r = new IncAction();
3101        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3102        assertTrue(f.cancel(true));
3103        checkCompletedWithWrappedCancellationException(g);
3104    }
3105
2632      // other static methods
2633  
2634      /**
# Line 3120 | Line 2646 | public class CompletableFutureTest exten
2646       */
2647      public void testAllOf_normal() throws Exception {
2648          for (int k = 1; k < 20; ++k) {
2649 <            CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
2649 >            CompletableFuture<Integer>[] fs
2650 >                = (CompletableFuture<Integer>[]) new CompletableFuture[k];
2651              for (int i = 0; i < k; ++i)
2652                  fs[i] = new CompletableFuture<>();
2653              CompletableFuture<Void> f = CompletableFuture.allOf(fs);
# Line 3134 | Line 2661 | public class CompletableFutureTest exten
2661          }
2662      }
2663  
2664 +    public void testAllOf_backwards() throws Exception {
2665 +        for (int k = 1; k < 20; ++k) {
2666 +            CompletableFuture<Integer>[] fs
2667 +                = (CompletableFuture<Integer>[]) new CompletableFuture[k];
2668 +            for (int i = 0; i < k; ++i)
2669 +                fs[i] = new CompletableFuture<>();
2670 +            CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2671 +            for (int i = k - 1; i >= 0; i--) {
2672 +                checkIncomplete(f);
2673 +                checkIncomplete(CompletableFuture.allOf(fs));
2674 +                fs[i].complete(one);
2675 +            }
2676 +            checkCompletedNormally(f, null);
2677 +            checkCompletedNormally(CompletableFuture.allOf(fs), null);
2678 +        }
2679 +    }
2680 +
2681      /**
2682       * anyOf(no component futures) returns an incomplete future
2683       */
# Line 3192 | Line 2736 | public class CompletableFutureTest exten
2736          Runnable[] throwingActions = {
2737              () -> CompletableFuture.supplyAsync(null),
2738              () -> CompletableFuture.supplyAsync(null, exec),
2739 <            () -> CompletableFuture.supplyAsync(supplyOne, null),
2739 >            () -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
2740  
2741              () -> CompletableFuture.runAsync(null),
2742              () -> CompletableFuture.runAsync(null, exec),
# Line 3265 | Line 2809 | public class CompletableFutureTest exten
2809  
2810              () -> f.thenCompose(null),
2811              () -> f.thenComposeAsync(null),
2812 <            () -> f.thenComposeAsync(new CompletableFutureInc(), null),
2812 >            () -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
2813              () -> f.thenComposeAsync(null, exec),
2814  
2815              () -> f.exceptionally(null),
# Line 3312 | Line 2856 | public class CompletableFutureTest exten
2856          final CompletableFuture<Integer> g = m.whenComplete
2857              (f,
2858               (Integer x, Throwable t) -> {
2859 +                m.checkExecutionMode();
2860                  threadAssertSame(x, v1);
2861                  threadAssertNull(t);
2862                  a.getAndIncrement();
# Line 3339 | Line 2884 | public class CompletableFutureTest exten
2884          final CompletableFuture<Integer> g = m.whenComplete
2885              (f,
2886               (Integer x, Throwable t) -> {
2887 +                m.checkExecutionMode();
2888                  threadAssertNull(x);
2889                  threadAssertSame(t, ex);
2890                  a.getAndIncrement();
2891              });
2892          if (createIncomplete) f.completeExceptionally(ex);
2893 <        checkCompletedWithWrappedCFException(f, ex);
2894 <        checkCompletedWithWrappedCFException(g, ex);
2893 >        checkCompletedExceptionally(f, ex);
2894 >        checkCompletedWithWrappedException(g, ex);
2895          assertEquals(1, a.get());
2896      }}
2897  
# Line 3364 | Line 2910 | public class CompletableFutureTest exten
2910          final CompletableFuture<Integer> g = m.whenComplete
2911              (f,
2912               (Integer x, Throwable t) -> {
2913 +                m.checkExecutionMode();
2914                  threadAssertNull(x);
2915                  threadAssertTrue(t instanceof CancellationException);
2916                  a.getAndIncrement();
2917              });
2918          if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2919  
3373        //try { g.join(); } catch (Throwable t) { throw new Error(t); }
2920          checkCompletedWithWrappedCancellationException(g);
2921          checkCancelled(f);
2922          assertEquals(1, a.get());
# Line 3392 | Line 2938 | public class CompletableFutureTest exten
2938          final CompletableFuture<Integer> g = m.whenComplete
2939              (f,
2940               (Integer x, Throwable t) -> {
2941 +                m.checkExecutionMode();
2942                  threadAssertSame(x, v1);
2943                  threadAssertNull(t);
2944                  a.getAndIncrement();
# Line 3399 | Line 2946 | public class CompletableFutureTest exten
2946              });
2947          if (createIncomplete) f.complete(v1);
2948          checkCompletedNormally(f, v1);
2949 <        checkCompletedWithWrappedCFException(g, ex);
2949 >        checkCompletedWithWrappedException(g, ex);
2950          assertEquals(1, a.get());
2951      }}
2952  
# Line 3422 | Line 2969 | public class CompletableFutureTest exten
2969          final CompletableFuture<Integer> g = m.whenComplete
2970              (f,
2971               (Integer x, Throwable t) -> {
2972 +                m.checkExecutionMode();
2973                  threadAssertSame(t, ex1);
2974                  threadAssertNull(x);
2975                  a.getAndIncrement();
# Line 3429 | Line 2977 | public class CompletableFutureTest exten
2977              });
2978          if (createIncomplete) f.completeExceptionally(ex1);
2979  
2980 <        checkCompletedWithWrappedCFException(f, ex1);
2981 <        checkCompletedWithWrappedCFException(g, ex1);
2980 >        checkCompletedExceptionally(f, ex1);
2981 >        checkCompletedWithWrappedException(g, ex1);
2982          assertEquals(1, a.get());
2983      }}
2984  

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