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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.9 by dl, Wed Mar 27 19:45:42 2013 UTC vs.
Revision 1.56 by jsr166, Mon Jun 2 22:20:32 2014 UTC

# Line 16 | Line 16 | import java.util.concurrent.ExecutionExc
16   import java.util.concurrent.Future;
17   import java.util.concurrent.CompletableFuture;
18   import java.util.concurrent.CompletionException;
19 + import java.util.concurrent.CompletionStage;
20 + import java.util.concurrent.ForkJoinPool;
21 + import java.util.concurrent.ForkJoinTask;
22   import java.util.concurrent.TimeoutException;
23   import java.util.concurrent.atomic.AtomicInteger;
24   import static java.util.concurrent.TimeUnit.MILLISECONDS;
# Line 53 | Line 56 | public class CompletableFutureTest exten
56          catch (Throwable fail) { threadUnexpectedException(fail); }
57      }
58  
59 <    void checkCompletedNormally(CompletableFuture<?> f, Object value) {
59 >    <T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
60 >        try {
61 >            assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
62 >        } catch (Throwable fail) { threadUnexpectedException(fail); }
63          try {
64              assertEquals(value, f.join());
65          } catch (Throwable fail) { threadUnexpectedException(fail); }
# Line 63 | Line 69 | public class CompletableFutureTest exten
69          try {
70              assertEquals(value, f.get());
71          } catch (Throwable fail) { threadUnexpectedException(fail); }
66        try {
67            assertEquals(value, f.get(0L, SECONDS));
68        } catch (Throwable fail) { threadUnexpectedException(fail); }
72          assertTrue(f.isDone());
73          assertFalse(f.isCancelled());
74 +        assertFalse(f.isCompletedExceptionally());
75          assertTrue(f.toString().contains("[Completed normally]"));
76      }
77  
78      void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
79          try {
80 +            f.get(LONG_DELAY_MS, MILLISECONDS);
81 +            shouldThrow();
82 +        } catch (ExecutionException success) {
83 +            assertTrue(success.getCause() instanceof CFException);
84 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
85 +        try {
86              f.join();
87              shouldThrow();
88          } catch (CompletionException success) {
# Line 90 | Line 100 | public class CompletableFutureTest exten
100          } catch (ExecutionException success) {
101              assertTrue(success.getCause() instanceof CFException);
102          } catch (Throwable fail) { threadUnexpectedException(fail); }
103 +        assertTrue(f.isDone());
104 +        assertFalse(f.isCancelled());
105 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
106 +    }
107 +
108 +    void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
109 +                                              CFException ex) {
110          try {
111 <            f.get(0L, SECONDS);
111 >            f.get(LONG_DELAY_MS, MILLISECONDS);
112              shouldThrow();
113          } catch (ExecutionException success) {
114 <            assertTrue(success.getCause() instanceof CFException);
114 >            assertSame(ex, success.getCause());
115 >        } catch (Throwable fail) { threadUnexpectedException(fail); }
116 >        try {
117 >            f.join();
118 >            shouldThrow();
119 >        } catch (CompletionException success) {
120 >            assertSame(ex, success.getCause());
121 >        }
122 >        try {
123 >            f.getNow(null);
124 >            shouldThrow();
125 >        } catch (CompletionException success) {
126 >            assertSame(ex, success.getCause());
127 >        }
128 >        try {
129 >            f.get();
130 >            shouldThrow();
131 >        } catch (ExecutionException success) {
132 >            assertSame(ex, success.getCause());
133          } catch (Throwable fail) { threadUnexpectedException(fail); }
134          assertTrue(f.isDone());
135          assertFalse(f.isCancelled());
136 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
137      }
138  
139      void checkCancelled(CompletableFuture<?> f) {
140          try {
141 +            f.get(LONG_DELAY_MS, MILLISECONDS);
142 +            shouldThrow();
143 +        } catch (CancellationException success) {
144 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
145 +        try {
146              f.join();
147              shouldThrow();
148          } catch (CancellationException success) {}
# Line 114 | Line 155 | public class CompletableFutureTest exten
155              shouldThrow();
156          } catch (CancellationException success) {
157          } catch (Throwable fail) { threadUnexpectedException(fail); }
117        try {
118            f.get(0L, SECONDS);
119            shouldThrow();
120        } catch (CancellationException success) {
121        } catch (Throwable fail) { threadUnexpectedException(fail); }
158          assertTrue(f.isDone());
159 +        assertTrue(f.isCompletedExceptionally());
160          assertTrue(f.isCancelled());
161 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
162      }
163  
164      void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
165          try {
166 +            f.get(LONG_DELAY_MS, MILLISECONDS);
167 +            shouldThrow();
168 +        } catch (ExecutionException success) {
169 +            assertTrue(success.getCause() instanceof CancellationException);
170 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
171 +        try {
172              f.join();
173              shouldThrow();
174          } catch (CompletionException success) {
# Line 142 | Line 186 | public class CompletableFutureTest exten
186          } catch (ExecutionException success) {
187              assertTrue(success.getCause() instanceof CancellationException);
188          } catch (Throwable fail) { threadUnexpectedException(fail); }
145        try {
146            f.get(0L, SECONDS);
147            shouldThrow();
148        } catch (ExecutionException success) {
149            assertTrue(success.getCause() instanceof CancellationException);
150        } catch (Throwable fail) { threadUnexpectedException(fail); }
189          assertTrue(f.isDone());
190          assertFalse(f.isCancelled());
191 +        assertTrue(f.isCompletedExceptionally());
192 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
193      }
194  
195      /**
# Line 157 | Line 197 | public class CompletableFutureTest exten
197       * by methods isDone, isCancelled, and getNow
198       */
199      public void testConstructor() {
200 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
200 >        CompletableFuture<Integer> f = new CompletableFuture<>();
201          checkIncomplete(f);
202      }
203  
# Line 166 | Line 206 | public class CompletableFutureTest exten
206       * isCancelled, join, get, and getNow
207       */
208      public void testComplete() {
209 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
209 >        CompletableFuture<Integer> f = new CompletableFuture<>();
210          checkIncomplete(f);
211          f.complete(one);
212          checkCompletedNormally(f, one);
# Line 177 | Line 217 | public class CompletableFutureTest exten
217       * methods isDone, isCancelled, join, get, and getNow
218       */
219      public void testCompleteExceptionally() {
220 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
220 >        CompletableFuture<Integer> f = new CompletableFuture<>();
221          checkIncomplete(f);
222          f.completeExceptionally(new CFException());
223          checkCompletedWithWrappedCFException(f);
# Line 188 | Line 228 | public class CompletableFutureTest exten
228       * methods isDone, isCancelled, join, get, and getNow
229       */
230      public void testCancel() {
231 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
231 >        CompletableFuture<Integer> f = new CompletableFuture<>();
232          checkIncomplete(f);
233          assertTrue(f.cancel(true));
234          checkCancelled(f);
# Line 198 | Line 238 | public class CompletableFutureTest exten
238       * obtrudeValue forces completion with given value
239       */
240      public void testObtrudeValue() {
241 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
241 >        CompletableFuture<Integer> f = new CompletableFuture<>();
242          checkIncomplete(f);
243          f.complete(one);
244          checkCompletedNormally(f, one);
# Line 206 | Line 246 | public class CompletableFutureTest exten
246          checkCompletedNormally(f, three);
247          f.obtrudeValue(two);
248          checkCompletedNormally(f, two);
249 <        f = new CompletableFuture<Integer>();
249 >        f = new CompletableFuture<>();
250          f.obtrudeValue(three);
251          checkCompletedNormally(f, three);
252 <        f = new CompletableFuture<Integer>();
252 >        f.obtrudeValue(null);
253 >        checkCompletedNormally(f, null);
254 >        f = new CompletableFuture<>();
255          f.completeExceptionally(new CFException());
256          f.obtrudeValue(four);
257          checkCompletedNormally(f, four);
# Line 219 | Line 261 | public class CompletableFutureTest exten
261       * obtrudeException forces completion with given exception
262       */
263      public void testObtrudeException() {
264 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
264 >        CompletableFuture<Integer> f = new CompletableFuture<>();
265          checkIncomplete(f);
266          f.complete(one);
267          checkCompletedNormally(f, one);
268          f.obtrudeException(new CFException());
269          checkCompletedWithWrappedCFException(f);
270 <        f = new CompletableFuture<Integer>();
270 >        f = new CompletableFuture<>();
271          f.obtrudeException(new CFException());
272          checkCompletedWithWrappedCFException(f);
273 <        f = new CompletableFuture<Integer>();
273 >        f = new CompletableFuture<>();
274          f.completeExceptionally(new CFException());
275          f.obtrudeValue(four);
276          checkCompletedNormally(f, four);
# Line 240 | Line 282 | public class CompletableFutureTest exten
282       * getNumberOfDependents returns number of dependent tasks
283       */
284      public void testGetNumberOfDependents() {
285 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
286 <        assertEquals(f.getNumberOfDependents(), 0);
287 <        CompletableFuture g = f.thenRun(new Noop());
288 <        assertEquals(f.getNumberOfDependents(), 1);
289 <        assertEquals(g.getNumberOfDependents(), 0);
290 <        CompletableFuture h = f.thenRun(new Noop());
291 <        assertEquals(f.getNumberOfDependents(), 2);
285 >        CompletableFuture<Integer> f = new CompletableFuture<>();
286 >        assertEquals(0, f.getNumberOfDependents());
287 >        CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
288 >        assertEquals(1, f.getNumberOfDependents());
289 >        assertEquals(0, g.getNumberOfDependents());
290 >        CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
291 >        assertEquals(2, f.getNumberOfDependents());
292          f.complete(1);
293          checkCompletedNormally(g, null);
294 <        assertEquals(f.getNumberOfDependents(), 0);
295 <        assertEquals(g.getNumberOfDependents(), 0);
294 >        assertEquals(0, f.getNumberOfDependents());
295 >        assertEquals(0, g.getNumberOfDependents());
296      }
297  
256
298      /**
299       * toString indicates current completion state
300       */
# Line 272 | Line 313 | public class CompletableFutureTest exten
313      }
314  
315      /**
316 <     * completedFuture returns a completed CompletableFuture with give value
316 >     * completedFuture returns a completed CompletableFuture with given value
317       */
318      public void testCompletedFuture() {
319          CompletableFuture<String> f = CompletableFuture.completedFuture("test");
320          checkCompletedNormally(f, "test");
321      }
322  
323 +    // Choose non-commutative actions for better coverage
324 +
325 +    // A non-commutative function that handles and produces null values as well.
326 +    static Integer subtract(Integer x, Integer y) {
327 +        return (x == null && y == null) ? null :
328 +            ((x == null) ? 42 : x.intValue())
329 +            - ((y == null) ? 99 : y.intValue());
330 +    }
331 +
332 +    // A function that handles and produces null values as well.
333 +    static Integer inc(Integer x) {
334 +        return (x == null) ? null : x + 1;
335 +    }
336 +
337      static final Supplier<Integer> supplyOne =
338          () -> Integer.valueOf(1);
339      static final Function<Integer, Integer> inc =
340          (Integer x) -> Integer.valueOf(x.intValue() + 1);
341 <    static final BiFunction<Integer, Integer, Integer> add =
342 <        (Integer x, Integer y) -> Integer.valueOf(x.intValue() + y.intValue());
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 value;
345 <        public void accept(Integer x) { value = x.intValue() + 1; }
344 >        int invocationCount = 0;
345 >        Integer value;
346 >        public void accept(Integer x) {
347 >            invocationCount++;
348 >            value = inc(x);
349 >        }
350      }
351 <    static final class AddAction implements BiConsumer<Integer, Integer> {
352 <        int value;
351 >    static final class IncFunction implements Function<Integer,Integer> {
352 >        final ExecutionMode m;
353 >        int invocationCount = 0;
354 >        Integer value;
355 >        IncFunction(ExecutionMode m) { this.m = m; }
356 >        public Integer apply(Integer x) {
357 >            m.checkExecutionMode();
358 >            invocationCount++;
359 >            return value = inc(x);
360 >        }
361 >    }
362 >    static final class SubtractAction implements BiConsumer<Integer, Integer> {
363 >        final ExecutionMode m;
364 >        int invocationCount = 0;
365 >        Integer value;
366 >        // Check this action was invoked exactly once when result is computed.
367 >        SubtractAction(ExecutionMode m) { this.m = m; }
368          public void accept(Integer x, Integer y) {
369 <            value = x.intValue() + y.intValue();
369 >            m.checkExecutionMode();
370 >            invocationCount++;
371 >            value = subtract(x, y);
372 >        }
373 >    }
374 >    static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
375 >        final ExecutionMode m;
376 >        int invocationCount = 0;
377 >        Integer value;
378 >        // Check this action was invoked exactly once when result is computed.
379 >        SubtractFunction(ExecutionMode m) { this.m = m; }
380 >        public Integer apply(Integer x, Integer y) {
381 >            m.checkExecutionMode();
382 >            invocationCount++;
383 >            return value = subtract(x, y);
384          }
385      }
386      static final class Noop implements Runnable {
387 <        boolean ran;
388 <        public void run() { ran = true; }
387 >        final ExecutionMode m;
388 >        int invocationCount = 0;
389 >        Noop(ExecutionMode m) { this.m = m; }
390 >        public void run() {
391 >            m.checkExecutionMode();
392 >            invocationCount++;
393 >        }
394      }
395  
396      static final class FailingSupplier implements Supplier<Integer> {
397 <        boolean ran;
398 <        public Integer get() { ran = true; throw new CFException(); }
397 >        final ExecutionMode m;
398 >        int invocationCount = 0;
399 >        FailingSupplier(ExecutionMode m) { this.m = m; }
400 >        public Integer get() {
401 >            m.checkExecutionMode();
402 >            invocationCount++;
403 >            throw new CFException();
404 >        }
405      }
406      static final class FailingConsumer implements Consumer<Integer> {
407 <        boolean ran;
408 <        public void accept(Integer x) { ran = true; throw new CFException(); }
407 >        final ExecutionMode m;
408 >        int invocationCount = 0;
409 >        FailingConsumer(ExecutionMode m) { this.m = m; }
410 >        public void accept(Integer x) {
411 >            m.checkExecutionMode();
412 >            invocationCount++;
413 >            throw new CFException();
414 >        }
415      }
416      static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
417 <        boolean ran;
418 <        public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
417 >        final ExecutionMode m;
418 >        int invocationCount = 0;
419 >        FailingBiConsumer(ExecutionMode m) { this.m = m; }
420 >        public void accept(Integer x, Integer y) {
421 >            m.checkExecutionMode();
422 >            invocationCount++;
423 >            throw new CFException();
424 >        }
425      }
426      static final class FailingFunction implements Function<Integer, Integer> {
427 <        boolean ran;
428 <        public Integer apply(Integer x) { ran = true; throw new CFException(); }
427 >        final ExecutionMode m;
428 >        int invocationCount = 0;
429 >        FailingFunction(ExecutionMode m) { this.m = m; }
430 >        public Integer apply(Integer x) {
431 >            m.checkExecutionMode();
432 >            invocationCount++;
433 >            throw new CFException();
434 >        }
435      }
436      static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
437 <        boolean ran;
438 <        public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
437 >        final ExecutionMode m;
438 >        int invocationCount = 0;
439 >        FailingBiFunction(ExecutionMode m) { this.m = m; }
440 >        public Integer apply(Integer x, Integer y) {
441 >            m.checkExecutionMode();
442 >            invocationCount++;
443 >            throw new CFException();
444 >        }
445      }
446 <    static final class FailingNoop implements Runnable {
447 <        boolean ran;
448 <        public void run() { ran = true; throw new CFException(); }
446 >    static final class FailingRunnable implements Runnable {
447 >        final ExecutionMode m;
448 >        int invocationCount = 0;
449 >        FailingRunnable(ExecutionMode m) { this.m = m; }
450 >        public void run() {
451 >            m.checkExecutionMode();
452 >            invocationCount++;
453 >            throw new CFException();
454 >        }
455      }
456  
457 <    static final class CompletableFutureInc implements Function<Integer, CompletableFuture<Integer>> {
457 >    static final class CompletableFutureInc
458 >        implements Function<Integer, CompletableFuture<Integer>> {
459 >        final ExecutionMode m;
460 >        int invocationCount = 0;
461 >        CompletableFutureInc(ExecutionMode m) { this.m = m; }
462          public CompletableFuture<Integer> apply(Integer x) {
463 <            CompletableFuture<Integer> f = new CompletableFuture<Integer>();
464 <            f.complete(Integer.valueOf(x.intValue() + 1));
463 >            m.checkExecutionMode();
464 >            invocationCount++;
465 >            CompletableFuture<Integer> f = new CompletableFuture<>();
466 >            f.complete(inc(x));
467              return f;
468          }
469      }
470  
471 <    static final class FailingCompletableFutureFunction implements Function<Integer, CompletableFuture<Integer>> {
472 <        boolean ran;
471 >    static final class FailingCompletableFutureFunction
472 >        implements Function<Integer, CompletableFuture<Integer>> {
473 >        final ExecutionMode m;
474 >        int invocationCount = 0;
475 >        FailingCompletableFutureFunction(ExecutionMode m) { this.m = m; }
476          public CompletableFuture<Integer> apply(Integer x) {
477 <            ran = true; throw new CFException();
477 >            m.checkExecutionMode();
478 >            invocationCount++;
479 >            throw new CFException();
480          }
481      }
482  
483      // Used for explicit executor tests
484      static final class ThreadExecutor implements Executor {
485 +        final AtomicInteger count = new AtomicInteger(0);
486 +        static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
487 +        static boolean startedCurrentThread() {
488 +            return Thread.currentThread().getThreadGroup() == tg;
489 +        }
490 +
491          public void execute(Runnable r) {
492 <            new Thread(r).start();
492 >            count.getAndIncrement();
493 >            new Thread(tg, r).start();
494          }
495      }
496  
497 <    static final class ExceptionToInteger implements Function<Throwable, Integer> {
498 <        public Integer apply(Throwable x) { return Integer.valueOf(3); }
499 <    }
497 >    /**
498 >     * Permits the testing of parallel code for the 3 different
499 >     * execution modes without repeating all the testing code.
500 >     */
501 >    enum ExecutionMode {
502 >        DEFAULT {
503 >            public void checkExecutionMode() {
504 >                assertNull(ForkJoinTask.getPool());
505 >            }
506 >            public <T> CompletableFuture<Void> thenRun
507 >                (CompletableFuture<T> f, Runnable a) {
508 >                return f.thenRun(a);
509 >            }
510 >            public <T> CompletableFuture<Void> thenAccept
511 >                (CompletableFuture<T> f, Consumer<? super T> a) {
512 >                return f.thenAccept(a);
513 >            }
514 >            public <T,U> CompletableFuture<U> thenApply
515 >                (CompletableFuture<T> f, Function<? super T,U> a) {
516 >                return f.thenApply(a);
517 >            }
518 >            public <T,U> CompletableFuture<U> thenCompose
519 >                (CompletableFuture<T> f,
520 >                 Function<? super T,? extends CompletionStage<U>> a) {
521 >                return f.thenCompose(a);
522 >            }
523 >            public <T,U> CompletableFuture<U> handle
524 >                (CompletableFuture<T> f,
525 >                 BiFunction<? super T,Throwable,? extends U> a) {
526 >                return f.handle(a);
527 >            }
528 >            public <T> CompletableFuture<T> whenComplete
529 >                (CompletableFuture<T> f,
530 >                 BiConsumer<? super T,? super Throwable> a) {
531 >                return f.whenComplete(a);
532 >            }
533 >            public <T,U> CompletableFuture<Void> runAfterBoth
534 >                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
535 >                return f.runAfterBoth(g, a);
536 >            }
537 >            public <T,U> CompletableFuture<Void> thenAcceptBoth
538 >                (CompletableFuture<T> f,
539 >                 CompletionStage<? extends U> g,
540 >                 BiConsumer<? super T,? super U> a) {
541 >                return f.thenAcceptBoth(g, a);
542 >            }
543 >            public <T,U,V> CompletableFuture<V> thenCombine
544 >                (CompletableFuture<T> f,
545 >                 CompletionStage<? extends U> g,
546 >                 BiFunction<? super T,? super U,? extends V> a) {
547 >                return f.thenCombine(g, a);
548 >            }
549 >            public <T> CompletableFuture<Void> runAfterEither
550 >                (CompletableFuture<T> f,
551 >                 CompletionStage<?> g,
552 >                 java.lang.Runnable a) {
553 >                return f.runAfterEither(g, a);
554 >            }
555 >            public <T> CompletableFuture<Void> acceptEither
556 >                (CompletableFuture<T> f,
557 >                 CompletionStage<? extends T> g,
558 >                 Consumer<? super T> a) {
559 >                return f.acceptEither(g, a);
560 >            }
561 >            public <T,U> CompletableFuture<U> applyToEither
562 >                (CompletableFuture<T> f,
563 >                 CompletionStage<? extends T> g,
564 >                 Function<? super T,U> a) {
565 >                return f.applyToEither(g, a);
566 >            }
567 >        },
568  
569 <    static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
570 <        public Integer apply(Integer x, Throwable t) {
571 <            return (t == null) ? two : three;
572 <        }
573 <    }
569 >        ASYNC {
570 >            public void checkExecutionMode() {
571 >                assertSame(ForkJoinPool.commonPool(),
572 >                           ForkJoinTask.getPool());
573 >            }
574 >            public <T> CompletableFuture<Void> thenRun
575 >                (CompletableFuture<T> f, Runnable a) {
576 >                return f.thenRunAsync(a);
577 >            }
578 >            public <T> CompletableFuture<Void> thenAccept
579 >                (CompletableFuture<T> f, Consumer<? super T> a) {
580 >                return f.thenAcceptAsync(a);
581 >            }
582 >            public <T,U> CompletableFuture<U> thenApply
583 >                (CompletableFuture<T> f, Function<? super T,U> a) {
584 >                return f.thenApplyAsync(a);
585 >            }
586 >            public <T,U> CompletableFuture<U> thenCompose
587 >                (CompletableFuture<T> f,
588 >                 Function<? super T,? extends CompletionStage<U>> a) {
589 >                return f.thenComposeAsync(a);
590 >            }
591 >            public <T,U> CompletableFuture<U> handle
592 >                (CompletableFuture<T> f,
593 >                 BiFunction<? super T,Throwable,? extends U> a) {
594 >                return f.handleAsync(a);
595 >            }
596 >            public <T> CompletableFuture<T> whenComplete
597 >                (CompletableFuture<T> f,
598 >                 BiConsumer<? super T,? super Throwable> a) {
599 >                return f.whenCompleteAsync(a);
600 >            }
601 >            public <T,U> CompletableFuture<Void> runAfterBoth
602 >                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
603 >                return f.runAfterBothAsync(g, a);
604 >            }
605 >            public <T,U> CompletableFuture<Void> thenAcceptBoth
606 >                (CompletableFuture<T> f,
607 >                 CompletionStage<? extends U> g,
608 >                 BiConsumer<? super T,? super U> a) {
609 >                return f.thenAcceptBothAsync(g, a);
610 >            }
611 >            public <T,U,V> CompletableFuture<V> thenCombine
612 >                (CompletableFuture<T> f,
613 >                 CompletionStage<? extends U> g,
614 >                 BiFunction<? super T,? super U,? extends V> a) {
615 >                return f.thenCombineAsync(g, a);
616 >            }
617 >            public <T> CompletableFuture<Void> runAfterEither
618 >                (CompletableFuture<T> f,
619 >                 CompletionStage<?> g,
620 >                 java.lang.Runnable a) {
621 >                return f.runAfterEitherAsync(g, a);
622 >            }
623 >            public <T> CompletableFuture<Void> acceptEither
624 >                (CompletableFuture<T> f,
625 >                 CompletionStage<? extends T> g,
626 >                 Consumer<? super T> a) {
627 >                return f.acceptEitherAsync(g, a);
628 >            }
629 >            public <T,U> CompletableFuture<U> applyToEither
630 >                (CompletableFuture<T> f,
631 >                 CompletionStage<? extends T> g,
632 >                 Function<? super T,U> a) {
633 >                return f.applyToEitherAsync(g, a);
634 >            }
635 >        },
636 >
637 >        EXECUTOR {
638 >            public void checkExecutionMode() {
639 >                assertTrue(ThreadExecutor.startedCurrentThread());
640 >            }
641 >            public <T> CompletableFuture<Void> thenRun
642 >                (CompletableFuture<T> f, Runnable a) {
643 >                return f.thenRunAsync(a, new ThreadExecutor());
644 >            }
645 >            public <T> CompletableFuture<Void> thenAccept
646 >                (CompletableFuture<T> f, Consumer<? super T> a) {
647 >                return f.thenAcceptAsync(a, new ThreadExecutor());
648 >            }
649 >            public <T,U> CompletableFuture<U> thenApply
650 >                (CompletableFuture<T> f, Function<? super T,U> a) {
651 >                return f.thenApplyAsync(a, new ThreadExecutor());
652 >            }
653 >            public <T,U> CompletableFuture<U> thenCompose
654 >                (CompletableFuture<T> f,
655 >                 Function<? super T,? extends CompletionStage<U>> a) {
656 >                return f.thenComposeAsync(a, new ThreadExecutor());
657 >            }
658 >            public <T,U> CompletableFuture<U> handle
659 >                (CompletableFuture<T> f,
660 >                 BiFunction<? super T,Throwable,? extends U> a) {
661 >                return f.handleAsync(a, new ThreadExecutor());
662 >            }
663 >            public <T> CompletableFuture<T> whenComplete
664 >                (CompletableFuture<T> f,
665 >                 BiConsumer<? super T,? super Throwable> a) {
666 >                return f.whenCompleteAsync(a, new ThreadExecutor());
667 >            }
668 >            public <T,U> CompletableFuture<Void> runAfterBoth
669 >                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
670 >                return f.runAfterBothAsync(g, a, new ThreadExecutor());
671 >            }
672 >            public <T,U> CompletableFuture<Void> thenAcceptBoth
673 >                (CompletableFuture<T> f,
674 >                 CompletionStage<? extends U> g,
675 >                 BiConsumer<? super T,? super U> a) {
676 >                return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
677 >            }
678 >            public <T,U,V> CompletableFuture<V> thenCombine
679 >                (CompletableFuture<T> f,
680 >                 CompletionStage<? extends U> g,
681 >                 BiFunction<? super T,? super U,? extends V> a) {
682 >                return f.thenCombineAsync(g, a, new ThreadExecutor());
683 >            }
684 >            public <T> CompletableFuture<Void> runAfterEither
685 >                (CompletableFuture<T> f,
686 >                 CompletionStage<?> g,
687 >                 java.lang.Runnable a) {
688 >                return f.runAfterEitherAsync(g, a, new ThreadExecutor());
689 >            }
690 >            public <T> CompletableFuture<Void> acceptEither
691 >                (CompletableFuture<T> f,
692 >                 CompletionStage<? extends T> g,
693 >                 Consumer<? super T> a) {
694 >                return f.acceptEitherAsync(g, a, new ThreadExecutor());
695 >            }
696 >            public <T,U> CompletableFuture<U> applyToEither
697 >                (CompletableFuture<T> f,
698 >                 CompletionStage<? extends T> g,
699 >                 Function<? super T,U> a) {
700 >                return f.applyToEitherAsync(g, a, new ThreadExecutor());
701 >            }
702 >        };
703 >
704 >        public abstract void checkExecutionMode();
705 >        public abstract <T> CompletableFuture<Void> thenRun
706 >            (CompletableFuture<T> f, Runnable a);
707 >        public abstract <T> CompletableFuture<Void> thenAccept
708 >            (CompletableFuture<T> f, Consumer<? super T> a);
709 >        public abstract <T,U> CompletableFuture<U> thenApply
710 >            (CompletableFuture<T> f, Function<? super T,U> a);
711 >        public abstract <T,U> CompletableFuture<U> thenCompose
712 >            (CompletableFuture<T> f,
713 >             Function<? super T,? extends CompletionStage<U>> a);
714 >        public abstract <T,U> CompletableFuture<U> handle
715 >            (CompletableFuture<T> f,
716 >             BiFunction<? super T,Throwable,? extends U> a);
717 >        public abstract <T> CompletableFuture<T> whenComplete
718 >            (CompletableFuture<T> f,
719 >             BiConsumer<? super T,? super Throwable> a);
720 >        public abstract <T,U> CompletableFuture<Void> runAfterBoth
721 >            (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
722 >        public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
723 >            (CompletableFuture<T> f,
724 >             CompletionStage<? extends U> g,
725 >             BiConsumer<? super T,? super U> a);
726 >        public abstract <T,U,V> CompletableFuture<V> thenCombine
727 >            (CompletableFuture<T> f,
728 >             CompletionStage<? extends U> g,
729 >             BiFunction<? super T,? super U,? extends V> a);
730 >        public abstract <T> CompletableFuture<Void> runAfterEither
731 >            (CompletableFuture<T> f,
732 >             CompletionStage<?> g,
733 >             java.lang.Runnable a);
734 >        public abstract <T> CompletableFuture<Void> acceptEither
735 >            (CompletableFuture<T> f,
736 >             CompletionStage<? extends T> g,
737 >             Consumer<? super T> a);
738 >        public abstract <T,U> CompletableFuture<U> applyToEither
739 >            (CompletableFuture<T> f,
740 >             CompletionStage<? extends T> g,
741 >             Function<? super T,U> a);
742 >    }
743 >
744 >    /**
745 >     * exceptionally action is not invoked when source completes
746 >     * normally, and source result is propagated
747 >     */
748 >    public void testExceptionally_normalCompletion() {
749 >        for (boolean createIncomplete : new boolean[] { true, false })
750 >        for (Integer v1 : new Integer[] { 1, null })
751 >    {
752 >        final AtomicInteger a = new AtomicInteger(0);
753 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
754 >        if (!createIncomplete) f.complete(v1);
755 >        final CompletableFuture<Integer> g = f.exceptionally
756 >            ((Throwable t) -> {
757 >                // Should not be called
758 >                a.getAndIncrement();
759 >                throw new AssertionError();
760 >            });
761 >        if (createIncomplete) f.complete(v1);
762 >
763 >        checkCompletedNormally(g, v1);
764 >        checkCompletedNormally(f, v1);
765 >        assertEquals(0, a.get());
766 >    }}
767  
768  
769      /**
770       * exceptionally action completes with function value on source
771 <     * exception;  otherwise with source value
771 >     * exception
772       */
773 <    public void testExceptionally() {
774 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
775 <        ExceptionToInteger r = new ExceptionToInteger();
776 <        CompletableFuture<Integer> g = f.exceptionally(r);
777 <        f.completeExceptionally(new CFException());
778 <        checkCompletedNormally(g, three);
779 <
780 <        f = new CompletableFuture<Integer>();
781 <        r = new ExceptionToInteger();
782 <        g = f.exceptionally(r);
783 <        f.complete(one);
784 <        checkCompletedNormally(g, one);
785 <    }
773 >    public void testExceptionally_exceptionalCompletion() {
774 >        for (boolean createIncomplete : new boolean[] { true, false })
775 >        for (Integer v1 : new Integer[] { 1, null })
776 >    {
777 >        final AtomicInteger a = new AtomicInteger(0);
778 >        final CFException ex = new CFException();
779 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
780 >        if (!createIncomplete) f.completeExceptionally(ex);
781 >        final CompletableFuture<Integer> g = f.exceptionally
782 >            ((Throwable t) -> {
783 >                threadAssertSame(t, ex);
784 >                a.getAndIncrement();
785 >                return v1;
786 >            });
787 >        if (createIncomplete) f.completeExceptionally(ex);
788 >
789 >        checkCompletedNormally(g, v1);
790 >        assertEquals(1, a.get());
791 >    }}
792 >
793 >    public void testExceptionally_exceptionalCompletionActionFailed() {
794 >        for (boolean createIncomplete : new boolean[] { true, false })
795 >        for (Integer v1 : new Integer[] { 1, null })
796 >    {
797 >        final AtomicInteger a = new AtomicInteger(0);
798 >        final CFException ex1 = new CFException();
799 >        final CFException ex2 = new CFException();
800 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
801 >        if (!createIncomplete) f.completeExceptionally(ex1);
802 >        final CompletableFuture<Integer> g = f.exceptionally
803 >            ((Throwable t) -> {
804 >                threadAssertSame(t, ex1);
805 >                a.getAndIncrement();
806 >                throw ex2;
807 >            });
808 >        if (createIncomplete) f.completeExceptionally(ex1);
809 >
810 >        checkCompletedWithWrappedCFException(g, ex2);
811 >        assertEquals(1, a.get());
812 >    }}
813 >
814 >    /**
815 >     * handle action completes normally with function value on normal
816 >     * completion of source
817 >     */
818 >    public void testHandle_normalCompletion() {
819 >        for (ExecutionMode m : ExecutionMode.values())
820 >        for (boolean createIncomplete : new boolean[] { true, false })
821 >        for (Integer v1 : new Integer[] { 1, null })
822 >    {
823 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
824 >        final AtomicInteger a = new AtomicInteger(0);
825 >        if (!createIncomplete) f.complete(v1);
826 >        final CompletableFuture<Integer> g = m.handle
827 >            (f,
828 >             (Integer x, Throwable t) -> {
829 >                threadAssertSame(x, v1);
830 >                threadAssertNull(t);
831 >                a.getAndIncrement();
832 >                return inc(v1);
833 >            });
834 >        if (createIncomplete) f.complete(v1);
835 >
836 >        checkCompletedNormally(g, inc(v1));
837 >        checkCompletedNormally(f, v1);
838 >        assertEquals(1, a.get());
839 >    }}
840  
841      /**
842 <     * handle action completes normally with function value on either
843 <     * normal or exceptional completion of source
842 >     * handle action completes normally with function value on
843 >     * exceptional completion of source
844       */
845 <    public void testHandle() {
846 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
847 <        IntegerHandler r = new IntegerHandler();
848 <        CompletableFuture<Integer> g = f.handle(r);
849 <        f.completeExceptionally(new CFException());
850 <        checkCompletedNormally(g, three);
845 >    public void testHandle_exceptionalCompletion() {
846 >        for (ExecutionMode m : ExecutionMode.values())
847 >        for (boolean createIncomplete : new boolean[] { true, false })
848 >        for (Integer v1 : new Integer[] { 1, null })
849 >    {
850 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
851 >        final AtomicInteger a = new AtomicInteger(0);
852 >        final CFException ex = new CFException();
853 >        if (!createIncomplete) f.completeExceptionally(ex);
854 >        final CompletableFuture<Integer> g = m.handle
855 >            (f,
856 >             (Integer x, Throwable t) -> {
857 >                threadAssertNull(x);
858 >                threadAssertSame(t, ex);
859 >                a.getAndIncrement();
860 >                return v1;
861 >            });
862 >        if (createIncomplete) f.completeExceptionally(ex);
863 >
864 >        checkCompletedNormally(g, v1);
865 >        checkCompletedWithWrappedCFException(f, ex);
866 >        assertEquals(1, a.get());
867 >    }}
868 >
869 >    /**
870 >     * handle action completes normally with function value on
871 >     * cancelled source
872 >     */
873 >    public void testHandle_sourceCancelled() {
874 >        for (ExecutionMode m : ExecutionMode.values())
875 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
876 >        for (boolean createIncomplete : new boolean[] { true, false })
877 >        for (Integer v1 : new Integer[] { 1, null })
878 >    {
879 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
880 >        final AtomicInteger a = new AtomicInteger(0);
881 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
882 >        final CompletableFuture<Integer> g = m.handle
883 >            (f,
884 >             (Integer x, Throwable t) -> {
885 >                threadAssertNull(x);
886 >                threadAssertTrue(t instanceof CancellationException);
887 >                a.getAndIncrement();
888 >                return v1;
889 >            });
890 >        if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
891  
892 <        f = new CompletableFuture<Integer>();
893 <        r = new IntegerHandler();
894 <        g = f.handle(r);
895 <        f.complete(one);
896 <        checkCompletedNormally(g, two);
897 <    }
892 >        checkCompletedNormally(g, v1);
893 >        checkCancelled(f);
894 >        assertEquals(1, a.get());
895 >    }}
896 >
897 >    /**
898 >     * handle result completes exceptionally if action does
899 >     */
900 >    public void testHandle_sourceFailedActionFailed() {
901 >        for (ExecutionMode m : ExecutionMode.values())
902 >        for (boolean createIncomplete : new boolean[] { true, false })
903 >    {
904 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
905 >        final AtomicInteger a = new AtomicInteger(0);
906 >        final CFException ex1 = new CFException();
907 >        final CFException ex2 = new CFException();
908 >        if (!createIncomplete) f.completeExceptionally(ex1);
909 >        final CompletableFuture<Integer> g = m.handle
910 >            (f,
911 >             (Integer x, Throwable t) -> {
912 >                threadAssertNull(x);
913 >                threadAssertSame(ex1, t);
914 >                a.getAndIncrement();
915 >                throw ex2;
916 >            });
917 >        if (createIncomplete) f.completeExceptionally(ex1);
918 >
919 >        checkCompletedWithWrappedCFException(g, ex2);
920 >        checkCompletedWithWrappedCFException(f, ex1);
921 >        assertEquals(1, a.get());
922 >    }}
923 >
924 >    public void testHandle_sourceCompletedNormallyActionFailed() {
925 >        for (ExecutionMode m : ExecutionMode.values())
926 >        for (boolean createIncomplete : new boolean[] { true, false })
927 >        for (Integer v1 : new Integer[] { 1, null })
928 >    {
929 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
930 >        final AtomicInteger a = new AtomicInteger(0);
931 >        final CFException ex = new CFException();
932 >        if (!createIncomplete) f.complete(v1);
933 >        final CompletableFuture<Integer> g = m.handle
934 >            (f,
935 >             (Integer x, Throwable t) -> {
936 >                threadAssertSame(x, v1);
937 >                threadAssertNull(t);
938 >                a.getAndIncrement();
939 >                throw ex;
940 >            });
941 >        if (createIncomplete) f.complete(v1);
942 >
943 >        checkCompletedWithWrappedCFException(g, ex);
944 >        checkCompletedNormally(f, v1);
945 >        assertEquals(1, a.get());
946 >    }}
947  
948      /**
949       * runAsync completes after running Runnable
950       */
951      public void testRunAsync() {
952 <        Noop r = new Noop();
952 >        Noop r = new Noop(ExecutionMode.ASYNC);
953          CompletableFuture<Void> f = CompletableFuture.runAsync(r);
954          assertNull(f.join());
955 <        assertTrue(r.ran);
955 >        assertEquals(1, r.invocationCount);
956 >        checkCompletedNormally(f, null);
957      }
958  
959      /**
960       * runAsync with executor completes after running Runnable
961       */
962      public void testRunAsync2() {
963 <        Noop r = new Noop();
964 <        CompletableFuture<Void> f = CompletableFuture.runAsync(r, new ThreadExecutor());
963 >        Noop r = new Noop(ExecutionMode.EXECUTOR);
964 >        ThreadExecutor exec = new ThreadExecutor();
965 >        CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
966          assertNull(f.join());
967 <        assertTrue(r.ran);
967 >        assertEquals(1, r.invocationCount);
968 >        checkCompletedNormally(f, null);
969 >        assertEquals(1, exec.count.get());
970      }
971  
972      /**
973       * failing runAsync completes exceptionally after running Runnable
974       */
975      public void testRunAsync3() {
976 <        FailingNoop r = new FailingNoop();
976 >        FailingRunnable r = new FailingRunnable(ExecutionMode.ASYNC);
977          CompletableFuture<Void> f = CompletableFuture.runAsync(r);
978          checkCompletedWithWrappedCFException(f);
979 <        assertTrue(r.ran);
979 >        assertEquals(1, r.invocationCount);
980      }
981  
982      /**
983       * supplyAsync completes with result of supplier
984       */
985      public void testSupplyAsync() {
986 <        CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne);
986 >        CompletableFuture<Integer> f;
987 >        f = CompletableFuture.supplyAsync(supplyOne);
988          assertEquals(f.join(), one);
989 +        checkCompletedNormally(f, one);
990      }
991  
992      /**
993       * supplyAsync with executor completes with result of supplier
994       */
995      public void testSupplyAsync2() {
996 <        CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
996 >        CompletableFuture<Integer> f;
997 >        f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
998          assertEquals(f.join(), one);
999 +        checkCompletedNormally(f, one);
1000      }
1001  
1002      /**
1003       * Failing supplyAsync completes exceptionally
1004       */
1005      public void testSupplyAsync3() {
1006 <        FailingSupplier r = new FailingSupplier();
1006 >        FailingSupplier r = new FailingSupplier(ExecutionMode.ASYNC);
1007          CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1008          checkCompletedWithWrappedCFException(f);
1009 <        assertTrue(r.ran);
1009 >        assertEquals(1, r.invocationCount);
1010      }
1011  
1012      // seq completion methods
# Line 455 | Line 1014 | public class CompletableFutureTest exten
1014      /**
1015       * thenRun result completes normally after normal completion of source
1016       */
1017 <    public void testThenRun() {
1018 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1019 <        Noop r = new Noop();
1020 <        CompletableFuture<Void> g = f.thenRun(r);
1021 <        f.complete(null);
1022 <        checkCompletedNormally(g, null);
1023 <        // reordered version
1024 <        f = new CompletableFuture<Integer>();
1025 <        f.complete(null);
1026 <        r = new Noop();
1027 <        g = f.thenRun(r);
1017 >    public void testThenRun_normalCompletion() {
1018 >        for (ExecutionMode m : ExecutionMode.values())
1019 >        for (boolean createIncomplete : new boolean[] { true, false })
1020 >        for (Integer v1 : new Integer[] { 1, null })
1021 >    {
1022 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1023 >        final Noop r = new Noop(m);
1024 >        if (!createIncomplete) f.complete(v1);
1025 >        final CompletableFuture<Void> g = m.thenRun(f, r);
1026 >        if (createIncomplete) {
1027 >            checkIncomplete(g);
1028 >            f.complete(v1);
1029 >        }
1030 >
1031          checkCompletedNormally(g, null);
1032 <    }
1032 >        checkCompletedNormally(f, v1);
1033 >        assertEquals(1, r.invocationCount);
1034 >    }}
1035  
1036      /**
1037       * thenRun result completes exceptionally after exceptional
1038       * completion of source
1039       */
1040 <    public void testThenRun2() {
1041 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1042 <        Noop r = new Noop();
1043 <        CompletableFuture<Void> g = f.thenRun(r);
1044 <        f.completeExceptionally(new CFException());
1045 <        checkCompletedWithWrappedCFException(g);
1046 <    }
1040 >    public void testThenRun_exceptionalCompletion() {
1041 >        for (ExecutionMode m : ExecutionMode.values())
1042 >        for (boolean createIncomplete : new boolean[] { true, false })
1043 >    {
1044 >        final CFException ex = new CFException();
1045 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1046 >        final Noop r = new Noop(m);
1047 >        if (!createIncomplete) f.completeExceptionally(ex);
1048 >        final CompletableFuture<Void> g = m.thenRun(f, r);
1049 >        if (createIncomplete) {
1050 >            checkIncomplete(g);
1051 >            f.completeExceptionally(ex);
1052 >        }
1053  
1054 <    /**
1055 <     * thenRun result completes exceptionally if action does
1056 <     */
1057 <    public void testThenRun3() {
488 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
489 <        FailingNoop r = new FailingNoop();
490 <        CompletableFuture<Void> g = f.thenRun(r);
491 <        f.complete(null);
492 <        checkCompletedWithWrappedCFException(g);
493 <    }
1054 >        checkCompletedWithWrappedCFException(g, ex);
1055 >        checkCompletedWithWrappedCFException(f, ex);
1056 >        assertEquals(0, r.invocationCount);
1057 >    }}
1058  
1059      /**
1060       * thenRun result completes exceptionally if source cancelled
1061       */
1062 <    public void testThenRun4() {
1063 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1064 <        Noop r = new Noop();
1065 <        CompletableFuture<Void> g = f.thenRun(r);
1066 <        assertTrue(f.cancel(true));
1062 >    public void testThenRun_sourceCancelled() {
1063 >        for (ExecutionMode m : ExecutionMode.values())
1064 >        for (boolean createIncomplete : new boolean[] { true, false })
1065 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1066 >    {
1067 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1068 >        final Noop r = new Noop(m);
1069 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1070 >        final CompletableFuture<Void> g = m.thenRun(f, r);
1071 >        if (createIncomplete) {
1072 >            checkIncomplete(g);
1073 >            assertTrue(f.cancel(mayInterruptIfRunning));
1074 >        }
1075 >
1076          checkCompletedWithWrappedCancellationException(g);
1077 <    }
1077 >        checkCancelled(f);
1078 >        assertEquals(0, r.invocationCount);
1079 >    }}
1080 >
1081 >    /**
1082 >     * thenRun result completes exceptionally if action does
1083 >     */
1084 >    public void testThenRun_actionFailed() {
1085 >        for (ExecutionMode m : ExecutionMode.values())
1086 >        for (boolean createIncomplete : new boolean[] { true, false })
1087 >        for (Integer v1 : new Integer[] { 1, null })
1088 >    {
1089 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1090 >        final FailingRunnable r = new FailingRunnable(m);
1091 >        if (!createIncomplete) f.complete(v1);
1092 >        final CompletableFuture<Void> g = m.thenRun(f, r);
1093 >        if (createIncomplete) {
1094 >            checkIncomplete(g);
1095 >            f.complete(v1);
1096 >        }
1097 >
1098 >        checkCompletedWithWrappedCFException(g);
1099 >        checkCompletedNormally(f, v1);
1100 >    }}
1101  
1102      /**
1103       * thenApply result completes normally after normal completion of source
1104       */
1105 <    public void testThenApply() {
1106 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1107 <        CompletableFuture<Integer> g = f.thenApply(inc);
1108 <        f.complete(one);
1109 <        checkCompletedNormally(g, two);
1110 <    }
1105 >    public void testThenApply_normalCompletion() {
1106 >        for (ExecutionMode m : ExecutionMode.values())
1107 >        for (boolean createIncomplete : new boolean[] { true, false })
1108 >        for (Integer v1 : new Integer[] { 1, null })
1109 >    {
1110 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1111 >        final IncFunction r = new IncFunction(m);
1112 >        if (!createIncomplete) f.complete(v1);
1113 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1114 >        if (createIncomplete) {
1115 >            checkIncomplete(g);
1116 >            f.complete(v1);
1117 >        }
1118 >
1119 >        checkCompletedNormally(g, inc(v1));
1120 >        checkCompletedNormally(f, v1);
1121 >        assertEquals(1, r.invocationCount);
1122 >    }}
1123  
1124      /**
1125       * thenApply result completes exceptionally after exceptional
1126       * completion of source
1127       */
1128 <    public void testThenApply2() {
1129 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1130 <        CompletableFuture<Integer> g = f.thenApply(inc);
1131 <        f.completeExceptionally(new CFException());
1132 <        checkCompletedWithWrappedCFException(g);
1133 <    }
1128 >    public void testThenApply_exceptionalCompletion() {
1129 >        for (ExecutionMode m : ExecutionMode.values())
1130 >        for (boolean createIncomplete : new boolean[] { true, false })
1131 >    {
1132 >        final CFException ex = new CFException();
1133 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1134 >        final IncFunction r = new IncFunction(m);
1135 >        if (!createIncomplete) f.completeExceptionally(ex);
1136 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1137 >        if (createIncomplete) {
1138 >            checkIncomplete(g);
1139 >            f.completeExceptionally(ex);
1140 >        }
1141  
1142 <    /**
1143 <     * thenApply result completes exceptionally if action does
1144 <     */
1145 <    public void testThenApply3() {
531 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
532 <        CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
533 <        f.complete(one);
534 <        checkCompletedWithWrappedCFException(g);
535 <    }
1142 >        checkCompletedWithWrappedCFException(g, ex);
1143 >        checkCompletedWithWrappedCFException(f, ex);
1144 >        assertEquals(0, r.invocationCount);
1145 >    }}
1146  
1147      /**
1148       * thenApply result completes exceptionally if source cancelled
1149       */
1150 <    public void testThenApply4() {
1151 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1152 <        CompletableFuture<Integer> g = f.thenApply(inc);
1153 <        assertTrue(f.cancel(true));
1150 >    public void testThenApply_sourceCancelled() {
1151 >        for (ExecutionMode m : ExecutionMode.values())
1152 >        for (boolean createIncomplete : new boolean[] { true, false })
1153 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1154 >    {
1155 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1156 >        final IncFunction r = new IncFunction(m);
1157 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1158 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1159 >        if (createIncomplete) {
1160 >            checkIncomplete(g);
1161 >            assertTrue(f.cancel(mayInterruptIfRunning));
1162 >        }
1163 >
1164          checkCompletedWithWrappedCancellationException(g);
1165 <    }
1165 >        checkCancelled(f);
1166 >        assertEquals(0, r.invocationCount);
1167 >    }}
1168 >
1169 >    /**
1170 >     * thenApply result completes exceptionally if action does
1171 >     */
1172 >    public void testThenApply_actionFailed() {
1173 >        for (ExecutionMode m : ExecutionMode.values())
1174 >        for (boolean createIncomplete : new boolean[] { true, false })
1175 >        for (Integer v1 : new Integer[] { 1, null })
1176 >    {
1177 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1178 >        final FailingFunction r = new FailingFunction(m);
1179 >        if (!createIncomplete) f.complete(v1);
1180 >        final CompletableFuture<Integer> g = m.thenApply(f, r);
1181 >        if (createIncomplete) {
1182 >            checkIncomplete(g);
1183 >            f.complete(v1);
1184 >        }
1185 >
1186 >        checkCompletedWithWrappedCFException(g);
1187 >        checkCompletedNormally(f, v1);
1188 >    }}
1189  
1190      /**
1191       * thenAccept result completes normally after normal completion of source
1192       */
1193 <    public void testThenAccept() {
1194 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1195 <        IncAction r = new IncAction();
1196 <        CompletableFuture<Void> g = f.thenAccept(r);
1197 <        f.complete(one);
1193 >    public void testThenAccept_normalCompletion() {
1194 >        for (ExecutionMode m : ExecutionMode.values())
1195 >        for (boolean createIncomplete : new boolean[] { true, false })
1196 >        for (Integer v1 : new Integer[] { 1, null })
1197 >    {
1198 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1199 >        final IncAction r = new IncAction();
1200 >        if (!createIncomplete) f.complete(v1);
1201 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1202 >        if (createIncomplete) {
1203 >            checkIncomplete(g);
1204 >            f.complete(v1);
1205 >        }
1206 >
1207          checkCompletedNormally(g, null);
1208 <        assertEquals(r.value, 2);
1209 <    }
1208 >        checkCompletedNormally(f, v1);
1209 >        assertEquals(1, r.invocationCount);
1210 >        assertEquals(inc(v1), r.value);
1211 >    }}
1212  
1213      /**
1214       * thenAccept result completes exceptionally after exceptional
1215       * completion of source
1216       */
1217 <    public void testThenAccept2() {
1218 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1219 <        IncAction r = new IncAction();
1220 <        CompletableFuture<Void> g = f.thenAccept(r);
1221 <        f.completeExceptionally(new CFException());
1222 <        checkCompletedWithWrappedCFException(g);
1223 <    }
1217 >    public void testThenAccept_exceptionalCompletion() {
1218 >        for (ExecutionMode m : ExecutionMode.values())
1219 >        for (boolean createIncomplete : new boolean[] { true, false })
1220 >    {
1221 >        final CFException ex = new CFException();
1222 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1223 >        final IncAction r = new IncAction();
1224 >        if (!createIncomplete) f.completeExceptionally(ex);
1225 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1226 >        if (createIncomplete) {
1227 >            checkIncomplete(g);
1228 >            f.completeExceptionally(ex);
1229 >        }
1230 >
1231 >        checkCompletedWithWrappedCFException(g, ex);
1232 >        checkCompletedWithWrappedCFException(f, ex);
1233 >        assertEquals(0, r.invocationCount);
1234 >    }}
1235  
1236      /**
1237       * thenAccept result completes exceptionally if action does
1238       */
1239 <    public void testThenAccept3() {
1240 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1241 <        FailingConsumer r = new FailingConsumer();
1242 <        CompletableFuture<Void> g = f.thenAccept(r);
1243 <        f.complete(one);
1239 >    public void testThenAccept_actionFailed() {
1240 >        for (ExecutionMode m : ExecutionMode.values())
1241 >        for (boolean createIncomplete : new boolean[] { true, false })
1242 >        for (Integer v1 : new Integer[] { 1, null })
1243 >    {
1244 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1245 >        final FailingConsumer r = new FailingConsumer(m);
1246 >        if (!createIncomplete) f.complete(v1);
1247 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1248 >        if (createIncomplete) {
1249 >            checkIncomplete(g);
1250 >            f.complete(v1);
1251 >        }
1252 >
1253          checkCompletedWithWrappedCFException(g);
1254 <        assertTrue(r.ran);
1255 <    }
1254 >        checkCompletedNormally(f, v1);
1255 >    }}
1256  
1257      /**
1258       * thenAccept result completes exceptionally if source cancelled
1259       */
1260 <    public void testThenAccept4() {
1261 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1262 <        IncAction r = new IncAction();
1263 <        CompletableFuture<Void> g = f.thenAccept(r);
1264 <        assertTrue(f.cancel(true));
1265 <        checkCompletedWithWrappedCancellationException(g);
1266 <    }
1260 >    public void testThenAccept_sourceCancelled() {
1261 >        for (ExecutionMode m : ExecutionMode.values())
1262 >        for (boolean createIncomplete : new boolean[] { true, false })
1263 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1264 >    {
1265 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1266 >        final IncAction r = new IncAction();
1267 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1268 >        final CompletableFuture<Void> g = m.thenAccept(f, r);
1269 >        if (createIncomplete) {
1270 >            checkIncomplete(g);
1271 >            assertTrue(f.cancel(mayInterruptIfRunning));
1272 >        }
1273  
1274 +        checkCompletedWithWrappedCancellationException(g);
1275 +        checkCancelled(f);
1276 +        assertEquals(0, r.invocationCount);
1277 +    }}
1278  
1279      /**
1280 <     * thenCombine result completes normally after normal completion of sources
1280 >     * thenCombine result completes normally after normal completion
1281 >     * of sources
1282       */
1283 <    public void testThenCombine() {
1284 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1285 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1286 <        CompletableFuture<Integer> g = f.thenCombine(f2, add);
1287 <        f.complete(one);
1288 <        checkIncomplete(g);
1289 <        f2.complete(two);
1290 <        checkCompletedNormally(g, three);
1283 >    public void testThenCombine_normalCompletion() {
1284 >        for (ExecutionMode m : ExecutionMode.values())
1285 >        for (boolean createIncomplete : new boolean[] { true, false })
1286 >        for (boolean fFirst : new boolean[] { true, false })
1287 >        for (Integer v1 : new Integer[] { 1, null })
1288 >        for (Integer v2 : new Integer[] { 2, null })
1289 >    {
1290 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1291 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1292 >        final SubtractFunction r = new SubtractFunction(m);
1293 >
1294 >        if (fFirst) f.complete(v1); else g.complete(v2);
1295 >        if (!createIncomplete)
1296 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1297 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1298 >        if (createIncomplete) {
1299 >            checkIncomplete(h);
1300 >            assertEquals(0, r.invocationCount);
1301 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1302 >        }
1303  
1304 <        f = new CompletableFuture<Integer>();
1305 <        f.complete(one);
1306 <        f2 = new CompletableFuture<Integer>();
1307 <        g = f.thenCombine(f2, add);
1308 <        checkIncomplete(g);
612 <        f2.complete(two);
613 <        checkCompletedNormally(g, three);
614 <    }
1304 >        checkCompletedNormally(h, subtract(v1, v2));
1305 >        checkCompletedNormally(f, v1);
1306 >        checkCompletedNormally(g, v2);
1307 >        assertEquals(1, r.invocationCount);
1308 >    }}
1309  
1310      /**
1311       * thenCombine result completes exceptionally after exceptional
1312       * completion of either source
1313       */
1314 <    public void testThenCombine2() {
1315 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1316 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1317 <        CompletableFuture<Integer> g = f.thenCombine(f2, add);
1318 <        f.completeExceptionally(new CFException());
1319 <        f2.complete(two);
1320 <        checkCompletedWithWrappedCFException(g);
1314 >    public void testThenCombine_exceptionalCompletion() {
1315 >        for (ExecutionMode m : ExecutionMode.values())
1316 >        for (boolean createIncomplete : new boolean[] { true, false })
1317 >        for (boolean fFirst : new boolean[] { true, false })
1318 >        for (Integer v1 : new Integer[] { 1, null })
1319 >    {
1320 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1321 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1322 >        final CFException ex = new CFException();
1323 >        final SubtractFunction r = new SubtractFunction(m);
1324 >
1325 >        (fFirst ? f : g).complete(v1);
1326 >        if (!createIncomplete)
1327 >            (!fFirst ? f : g).completeExceptionally(ex);
1328 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1329 >        if (createIncomplete) {
1330 >            checkIncomplete(h);
1331 >            (!fFirst ? f : g).completeExceptionally(ex);
1332 >        }
1333  
1334 <        f = new CompletableFuture<Integer>();
1335 <        f.complete(one);
1336 <        f2 = new CompletableFuture<Integer>();
1337 <        g = f.thenCombine(f2, add);
1338 <        f2.completeExceptionally(new CFException());
633 <        checkCompletedWithWrappedCFException(g);
634 <    }
1334 >        checkCompletedWithWrappedCFException(h, ex);
1335 >        assertEquals(0, r.invocationCount);
1336 >        checkCompletedNormally(fFirst ? f : g, v1);
1337 >        checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1338 >    }}
1339  
1340      /**
1341       * thenCombine result completes exceptionally if action does
1342       */
1343 <    public void testThenCombine3() {
1344 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1345 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1346 <        FailingBiFunction r = new FailingBiFunction();
1347 <        CompletableFuture<Integer> g = f.thenCombine(f2, r);
1348 <        f.complete(one);
1349 <        checkIncomplete(g);
1350 <        f2.complete(two);
1351 <        checkCompletedWithWrappedCFException(g);
1352 <    }
1343 >    public void testThenCombine_actionFailed() {
1344 >        for (ExecutionMode m : ExecutionMode.values())
1345 >        for (boolean fFirst : new boolean[] { true, false })
1346 >        for (Integer v1 : new Integer[] { 1, null })
1347 >        for (Integer v2 : new Integer[] { 2, null })
1348 >    {
1349 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1350 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1351 >        final FailingBiFunction r = new FailingBiFunction(m);
1352 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1353 >
1354 >        if (fFirst) {
1355 >            f.complete(v1);
1356 >            g.complete(v2);
1357 >        } else {
1358 >            g.complete(v2);
1359 >            f.complete(v1);
1360 >        }
1361 >
1362 >        checkCompletedWithWrappedCFException(h);
1363 >        checkCompletedNormally(f, v1);
1364 >        checkCompletedNormally(g, v2);
1365 >    }}
1366  
1367      /**
1368       * thenCombine result completes exceptionally if either source cancelled
1369       */
1370 <    public void testThenCombine4() {
1371 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1372 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1373 <        CompletableFuture<Integer> g = f.thenCombine(f2, add);
1374 <        assertTrue(f.cancel(true));
1375 <        f2.complete(two);
1376 <        checkCompletedWithWrappedCancellationException(g);
1377 <        f = new CompletableFuture<Integer>();
1378 <        f2 = new CompletableFuture<Integer>();
1379 <        g = f.thenCombine(f2, add);
1380 <        f.complete(one);
1381 <        assertTrue(f2.cancel(true));
1382 <        checkCompletedWithWrappedCancellationException(g);
1383 <    }
1370 >    public void testThenCombine_sourceCancelled() {
1371 >        for (ExecutionMode m : ExecutionMode.values())
1372 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1373 >        for (boolean createIncomplete : new boolean[] { true, false })
1374 >        for (boolean fFirst : new boolean[] { true, false })
1375 >        for (Integer v1 : new Integer[] { 1, null })
1376 >    {
1377 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1378 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1379 >        final SubtractFunction r = new SubtractFunction(m);
1380 >
1381 >        (fFirst ? f : g).complete(v1);
1382 >        if (!createIncomplete)
1383 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1384 >        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1385 >        if (createIncomplete) {
1386 >            checkIncomplete(h);
1387 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1388 >        }
1389 >
1390 >        checkCompletedWithWrappedCancellationException(h);
1391 >        checkCancelled(!fFirst ? f : g);
1392 >        assertEquals(0, r.invocationCount);
1393 >        checkCompletedNormally(fFirst ? f : g, v1);
1394 >    }}
1395  
1396      /**
1397       * thenAcceptBoth result completes normally after normal
1398       * completion of sources
1399       */
1400 <    public void testThenAcceptBoth() {
1401 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1402 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1403 <        AddAction r = new AddAction();
1404 <        CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1405 <        f.complete(one);
1406 <        checkIncomplete(g);
1407 <        f2.complete(two);
1408 <        checkCompletedNormally(g, null);
1409 <        assertEquals(r.value, 3);
1400 >    public void testThenAcceptBoth_normalCompletion() {
1401 >        for (ExecutionMode m : ExecutionMode.values())
1402 >        for (boolean createIncomplete : new boolean[] { true, false })
1403 >        for (boolean fFirst : new boolean[] { true, false })
1404 >        for (Integer v1 : new Integer[] { 1, null })
1405 >        for (Integer v2 : new Integer[] { 2, null })
1406 >    {
1407 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1408 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1409 >        final SubtractAction r = new SubtractAction(m);
1410 >
1411 >        if (fFirst) f.complete(v1); else g.complete(v2);
1412 >        if (!createIncomplete)
1413 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1414 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1415 >        if (createIncomplete) {
1416 >            checkIncomplete(h);
1417 >            assertEquals(0, r.invocationCount);
1418 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1419 >        }
1420  
1421 <        r = new AddAction();
1422 <        f = new CompletableFuture<Integer>();
1423 <        f.complete(one);
1424 <        f2 = new CompletableFuture<Integer>();
1425 <        g = f.thenAcceptBoth(f2, r);
688 <        checkIncomplete(g);
689 <        f2.complete(two);
690 <        checkCompletedNormally(g, null);
691 <        assertEquals(r.value, 3);
692 <    }
1421 >        checkCompletedNormally(h, null);
1422 >        assertEquals(subtract(v1, v2), r.value);
1423 >        checkCompletedNormally(f, v1);
1424 >        checkCompletedNormally(g, v2);
1425 >    }}
1426  
1427      /**
1428       * thenAcceptBoth result completes exceptionally after exceptional
1429       * completion of either source
1430       */
1431 <    public void testThenAcceptBoth2() {
1432 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1433 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1434 <        AddAction r = new AddAction();
1435 <        CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1436 <        f.completeExceptionally(new CFException());
1437 <        f2.complete(two);
1438 <        checkCompletedWithWrappedCFException(g);
1431 >    public void testThenAcceptBoth_exceptionalCompletion() {
1432 >        for (ExecutionMode m : ExecutionMode.values())
1433 >        for (boolean createIncomplete : new boolean[] { true, false })
1434 >        for (boolean fFirst : new boolean[] { true, false })
1435 >        for (Integer v1 : new Integer[] { 1, null })
1436 >    {
1437 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1438 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1439 >        final CFException ex = new CFException();
1440 >        final SubtractAction r = new SubtractAction(m);
1441 >
1442 >        (fFirst ? f : g).complete(v1);
1443 >        if (!createIncomplete)
1444 >            (!fFirst ? f : g).completeExceptionally(ex);
1445 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1446 >        if (createIncomplete) {
1447 >            checkIncomplete(h);
1448 >            (!fFirst ? f : g).completeExceptionally(ex);
1449 >        }
1450  
1451 <        r = new AddAction();
1452 <        f = new CompletableFuture<Integer>();
1453 <        f.complete(one);
1454 <        f2 = new CompletableFuture<Integer>();
1455 <        g = f.thenAcceptBoth(f2, r);
712 <        f2.completeExceptionally(new CFException());
713 <        checkCompletedWithWrappedCFException(g);
714 <    }
1451 >        checkCompletedWithWrappedCFException(h, ex);
1452 >        assertEquals(0, r.invocationCount);
1453 >        checkCompletedNormally(fFirst ? f : g, v1);
1454 >        checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1455 >    }}
1456  
1457      /**
1458       * thenAcceptBoth result completes exceptionally if action does
1459       */
1460 <    public void testThenAcceptBoth3() {
1461 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1462 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1463 <        FailingBiConsumer r = new FailingBiConsumer();
1464 <        CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1465 <        f.complete(one);
1466 <        checkIncomplete(g);
1467 <        f2.complete(two);
1468 <        checkCompletedWithWrappedCFException(g);
1469 <    }
1460 >    public void testThenAcceptBoth_actionFailed() {
1461 >        for (ExecutionMode m : ExecutionMode.values())
1462 >        for (boolean fFirst : new boolean[] { true, false })
1463 >        for (Integer v1 : new Integer[] { 1, null })
1464 >        for (Integer v2 : new Integer[] { 2, null })
1465 >    {
1466 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1467 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1468 >        final FailingBiConsumer r = new FailingBiConsumer(m);
1469 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1470 >
1471 >        if (fFirst) {
1472 >            f.complete(v1);
1473 >            g.complete(v2);
1474 >        } else {
1475 >            g.complete(v2);
1476 >            f.complete(v1);
1477 >        }
1478 >
1479 >        checkCompletedWithWrappedCFException(h);
1480 >        checkCompletedNormally(f, v1);
1481 >        checkCompletedNormally(g, v2);
1482 >    }}
1483  
1484      /**
1485       * thenAcceptBoth result completes exceptionally if either source cancelled
1486       */
1487 <    public void testThenAcceptBoth4() {
1488 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1489 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1490 <        AddAction r = new AddAction();
1491 <        CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1492 <        assertTrue(f.cancel(true));
1493 <        f2.complete(two);
1494 <        checkCompletedWithWrappedCancellationException(g);
1495 <        f = new CompletableFuture<Integer>();
1496 <        f2 = new CompletableFuture<Integer>();
1497 <        r = new AddAction();
1498 <        g = f.thenAcceptBoth(f2, r);
1499 <        f.complete(one);
1500 <        assertTrue(f2.cancel(true));
1501 <        checkCompletedWithWrappedCancellationException(g);
1502 <    }
1487 >    public void testThenAcceptBoth_sourceCancelled() {
1488 >        for (ExecutionMode m : ExecutionMode.values())
1489 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1490 >        for (boolean createIncomplete : new boolean[] { true, false })
1491 >        for (boolean fFirst : new boolean[] { true, false })
1492 >        for (Integer v1 : new Integer[] { 1, null })
1493 >    {
1494 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1495 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1496 >        final SubtractAction r = new SubtractAction(m);
1497 >
1498 >        (fFirst ? f : g).complete(v1);
1499 >        if (!createIncomplete)
1500 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1501 >        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1502 >        if (createIncomplete) {
1503 >            checkIncomplete(h);
1504 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1505 >        }
1506 >
1507 >        checkCompletedWithWrappedCancellationException(h);
1508 >        checkCancelled(!fFirst ? f : g);
1509 >        assertEquals(0, r.invocationCount);
1510 >        checkCompletedNormally(fFirst ? f : g, v1);
1511 >    }}
1512  
1513      /**
1514       * runAfterBoth result completes normally after normal
1515       * completion of sources
1516       */
1517 <    public void testRunAfterBoth() {
1518 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1519 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1520 <        Noop r = new Noop();
1521 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1522 <        f.complete(one);
1523 <        checkIncomplete(g);
1524 <        f2.complete(two);
1525 <        checkCompletedNormally(g, null);
1526 <        assertTrue(r.ran);
1517 >    public void testRunAfterBoth_normalCompletion() {
1518 >        for (ExecutionMode m : ExecutionMode.values())
1519 >        for (boolean createIncomplete : new boolean[] { true, false })
1520 >        for (boolean fFirst : new boolean[] { true, false })
1521 >        for (Integer v1 : new Integer[] { 1, null })
1522 >        for (Integer v2 : new Integer[] { 2, null })
1523 >    {
1524 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1525 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1526 >        final Noop r = new Noop(m);
1527 >
1528 >        if (fFirst) f.complete(v1); else g.complete(v2);
1529 >        if (!createIncomplete)
1530 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1531 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1532 >        if (createIncomplete) {
1533 >            checkIncomplete(h);
1534 >            assertEquals(0, r.invocationCount);
1535 >            if (!fFirst) f.complete(v1); else g.complete(v2);
1536 >        }
1537  
1538 <        r = new Noop();
1539 <        f = new CompletableFuture<Integer>();
1540 <        f.complete(one);
1541 <        f2 = new CompletableFuture<Integer>();
1542 <        g = f.runAfterBoth(f2, r);
770 <        checkIncomplete(g);
771 <        f2.complete(two);
772 <        checkCompletedNormally(g, null);
773 <        assertTrue(r.ran);
774 <    }
1538 >        checkCompletedNormally(h, null);
1539 >        assertEquals(1, r.invocationCount);
1540 >        checkCompletedNormally(f, v1);
1541 >        checkCompletedNormally(g, v2);
1542 >    }}
1543  
1544      /**
1545       * runAfterBoth result completes exceptionally after exceptional
1546       * completion of either source
1547       */
1548 <    public void testRunAfterBoth2() {
1549 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1550 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1551 <        Noop r = new Noop();
1552 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1553 <        f.completeExceptionally(new CFException());
1554 <        f2.complete(two);
1555 <        checkCompletedWithWrappedCFException(g);
1548 >    public void testRunAfterBoth_exceptionalCompletion() {
1549 >        for (ExecutionMode m : ExecutionMode.values())
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 CFException ex = new CFException();
1557 >        final Noop r = new Noop(m);
1558 >
1559 >        (fFirst ? f : g).complete(v1);
1560 >        if (!createIncomplete)
1561 >            (!fFirst ? f : g).completeExceptionally(ex);
1562 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1563 >        if (createIncomplete) {
1564 >            checkIncomplete(h);
1565 >            (!fFirst ? f : g).completeExceptionally(ex);
1566 >        }
1567  
1568 <        r = new Noop();
1569 <        f = new CompletableFuture<Integer>();
1570 <        f.complete(one);
1571 <        f2 = new CompletableFuture<Integer>();
1572 <        g = f.runAfterBoth(f2, r);
794 <        f2.completeExceptionally(new CFException());
795 <        checkCompletedWithWrappedCFException(g);
796 <    }
1568 >        checkCompletedWithWrappedCFException(h, ex);
1569 >        assertEquals(0, r.invocationCount);
1570 >        checkCompletedNormally(fFirst ? f : g, v1);
1571 >        checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1572 >    }}
1573  
1574      /**
1575       * runAfterBoth result completes exceptionally if action does
1576       */
1577 <    public void testRunAfterBoth3() {
1578 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1579 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1580 <        FailingNoop r = new FailingNoop();
1581 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1582 <        f.complete(one);
1583 <        checkIncomplete(g);
1584 <        f2.complete(two);
1585 <        checkCompletedWithWrappedCFException(g);
1586 <    }
1587 <
1588 <    /**
1589 <     * runAfterBoth result completes exceptionally if either source cancelled
1590 <     */
1591 <    public void testRunAfterBoth4() {
1592 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1593 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1594 <        Noop r = new Noop();
1595 <        CompletableFuture<Void> g = f.runAfterBoth(f2, r);
820 <        assertTrue(f.cancel(true));
821 <        f2.complete(two);
822 <        checkCompletedWithWrappedCancellationException(g);
823 <        f = new CompletableFuture<Integer>();
824 <        f2 = new CompletableFuture<Integer>();
825 <        r = new Noop();
826 <        g = f.runAfterBoth(f2, r);
827 <        f.complete(one);
828 <        assertTrue(f2.cancel(true));
829 <        checkCompletedWithWrappedCancellationException(g);
830 <    }
831 <
832 <    /**
833 <     * applyToEither result completes normally after normal completion
834 <     * of either source
835 <     */
836 <    public void testApplyToEither() {
837 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
838 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
839 <        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
840 <        f.complete(one);
841 <        checkCompletedNormally(g, two);
842 <        f2.complete(one);
843 <        checkCompletedNormally(g, two);
1577 >    public void testRunAfterBoth_actionFailed() {
1578 >        for (ExecutionMode m : ExecutionMode.values())
1579 >        for (boolean fFirst : new boolean[] { true, false })
1580 >        for (Integer v1 : new Integer[] { 1, null })
1581 >        for (Integer v2 : new Integer[] { 2, null })
1582 >    {
1583 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1584 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1585 >        final FailingRunnable r = new FailingRunnable(m);
1586 >
1587 >        CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r);
1588 >        if (fFirst) {
1589 >            f.complete(v1);
1590 >            g.complete(v2);
1591 >        } else {
1592 >            g.complete(v2);
1593 >            f.complete(v1);
1594 >        }
1595 >        CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r);
1596  
1597 <        f = new CompletableFuture<Integer>();
1598 <        f.complete(one);
1599 <        f2 = new CompletableFuture<Integer>();
1600 <        g = f.applyToEither(f2, inc);
1601 <        checkCompletedNormally(g, two);
850 <    }
1597 >        checkCompletedWithWrappedCFException(h1);
1598 >        checkCompletedWithWrappedCFException(h2);
1599 >        checkCompletedNormally(f, v1);
1600 >        checkCompletedNormally(g, v2);
1601 >    }}
1602  
1603      /**
1604 <     * applyToEither result completes exceptionally after exceptional
854 <     * completion of either source
1604 >     * runAfterBoth result completes exceptionally if either source cancelled
1605       */
1606 <    public void testApplyToEither2() {
1607 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1608 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1609 <        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1610 <        f.completeExceptionally(new CFException());
1611 <        f2.complete(one);
1612 <        checkCompletedWithWrappedCFException(g);
1613 <
1614 <        f = new CompletableFuture<Integer>();
1615 <        f2 = new CompletableFuture<Integer>();
1616 <        f2.completeExceptionally(new CFException());
1617 <        g = f.applyToEither(f2, inc);
1618 <        checkCompletedWithWrappedCFException(g);
1619 <    }
1606 >    public void testRunAfterBoth_sourceCancelled() {
1607 >        for (ExecutionMode m : ExecutionMode.values())
1608 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1609 >        for (boolean createIncomplete : new boolean[] { true, false })
1610 >        for (boolean fFirst : new boolean[] { true, false })
1611 >        for (Integer v1 : new Integer[] { 1, null })
1612 >    {
1613 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1614 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1615 >        final Noop r = new Noop(m);
1616 >
1617 >
1618 >        (fFirst ? f : g).complete(v1);
1619 >        if (!createIncomplete)
1620 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1621 >        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1622 >        if (createIncomplete) {
1623 >            checkIncomplete(h);
1624 >            assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1625 >        }
1626  
1627 <    /**
1628 <     * applyToEither result completes exceptionally if action does
1629 <     */
1630 <    public void testApplyToEither3() {
1631 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
876 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
877 <        FailingFunction r = new FailingFunction();
878 <        CompletableFuture<Integer> g = f.applyToEither(f2, r);
879 <        f2.complete(two);
880 <        checkCompletedWithWrappedCFException(g);
881 <    }
1627 >        checkCompletedWithWrappedCancellationException(h);
1628 >        checkCancelled(!fFirst ? f : g);
1629 >        assertEquals(0, r.invocationCount);
1630 >        checkCompletedNormally(fFirst ? f : g, v1);
1631 >    }}
1632  
1633      /**
1634 <     * applyToEither result completes exceptionally if either source cancelled
885 <     */
886 <    public void testApplyToEither4() {
887 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
888 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
889 <        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
890 <        assertTrue(f.cancel(true));
891 <        checkCompletedWithWrappedCancellationException(g);
892 <        f = new CompletableFuture<Integer>();
893 <        f2 = new CompletableFuture<Integer>();
894 <        assertTrue(f2.cancel(true));
895 <        checkCompletedWithWrappedCancellationException(g);
896 <    }
897 <
898 <    /**
899 <     * acceptEither result completes normally after normal completion
1634 >     * applyToEither result completes normally after normal completion
1635       * of either source
1636       */
1637 <    public void testAcceptEither() {
1638 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1639 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1640 <        IncAction r = new IncAction();
1641 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
1642 <        f.complete(one);
1643 <        checkCompletedNormally(g, null);
1644 <        f2.complete(one);
1645 <        checkCompletedNormally(g, null);
1646 <        assertEquals(r.value, 2);
1647 <
1648 <        r = new IncAction();
1649 <        f = new CompletableFuture<Integer>();
1650 <        f.complete(one);
1651 <        f2 = new CompletableFuture<Integer>();
1652 <        g = f.acceptEither(f2, r);
1653 <        checkCompletedNormally(g, null);
1654 <        assertEquals(r.value, 2);
1655 <    }
1656 <
1657 <    /**
923 <     * acceptEither result completes exceptionally after exceptional
924 <     * completion of either source
925 <     */
926 <    public void testAcceptEither2() {
927 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
928 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
929 <        IncAction r = new IncAction();
930 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
931 <        f.completeExceptionally(new CFException());
932 <        f2.complete(one);
933 <        checkCompletedWithWrappedCFException(g);
934 <
935 <        r = new IncAction();
936 <        f = new CompletableFuture<Integer>();
937 <        f2 = new CompletableFuture<Integer>();
938 <        f2.completeExceptionally(new CFException());
939 <        g = f.acceptEither(f2, r);
940 <        checkCompletedWithWrappedCFException(g);
941 <    }
942 <
943 <    /**
944 <     * acceptEither result completes exceptionally if action does
945 <     */
946 <    public void testAcceptEither3() {
947 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
948 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
949 <        FailingConsumer r = new FailingConsumer();
950 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
951 <        f2.complete(two);
952 <        checkCompletedWithWrappedCFException(g);
953 <    }
1637 >    public void testApplyToEither_normalCompletion() {
1638 >        for (ExecutionMode m : ExecutionMode.values())
1639 >        for (boolean createIncomplete : new boolean[] { true, false })
1640 >        for (boolean fFirst : new boolean[] { true, false })
1641 >        for (Integer v1 : new Integer[] { 1, null })
1642 >        for (Integer v2 : new Integer[] { 2, null })
1643 >    {
1644 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1645 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1646 >        final IncFunction r = new IncFunction(m);
1647 >
1648 >        if (!createIncomplete)
1649 >            if (fFirst) f.complete(v1); else g.complete(v2);
1650 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1651 >        if (createIncomplete) {
1652 >            checkIncomplete(h);
1653 >            assertEquals(0, r.invocationCount);
1654 >            if (fFirst) f.complete(v1); else g.complete(v2);
1655 >        }
1656 >        checkCompletedNormally(h, inc(fFirst ? v1 : v2));
1657 >        if (!fFirst) f.complete(v1); else g.complete(v2);
1658  
1659 <    /**
1660 <     * acceptEither result completes exceptionally if either source cancelled
1661 <     */
1662 <    public void testAcceptEither4() {
1663 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1664 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1665 <        IncAction r = new IncAction();
1666 <        CompletableFuture<Void> g = f.acceptEither(f2, r);
1667 <        assertTrue(f.cancel(true));
1668 <        checkCompletedWithWrappedCancellationException(g);
1669 <        f = new CompletableFuture<Integer>();
1670 <        f2 = new CompletableFuture<Integer>();
1671 <        assertTrue(f2.cancel(true));
1672 <        checkCompletedWithWrappedCancellationException(g);
1673 <    }
1659 >        checkCompletedNormally(f, v1);
1660 >        checkCompletedNormally(g, v2);
1661 >        checkCompletedNormally(h, inc(fFirst ? v1 : v2));
1662 >    }}
1663 >
1664 >    public void testApplyToEither_normalCompletionBothAvailable() {
1665 >        for (ExecutionMode m : ExecutionMode.values())
1666 >        for (boolean fFirst : new boolean[] { true, false })
1667 >        for (Integer v1 : new Integer[] { 1, null })
1668 >        for (Integer v2 : new Integer[] { 2, null })
1669 >    {
1670 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1671 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1672 >        final IncFunction r = new IncFunction(m);
1673 >
1674 >        if (fFirst) {
1675 >            f.complete(v1);
1676 >            g.complete(v2);
1677 >        } else {
1678 >            g.complete(v2);
1679 >            f.complete(v1);
1680 >        }
1681  
1682 +        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1683  
1684 <    /**
1685 <     * runAfterEither result completes normally after normal completion
974 <     * of either source
975 <     */
976 <    public void testRunAfterEither() {
977 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
978 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
979 <        Noop r = new Noop();
980 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
981 <        f.complete(one);
982 <        checkCompletedNormally(g, null);
983 <        f2.complete(one);
984 <        checkCompletedNormally(g, null);
985 <        assertTrue(r.ran);
1684 >        checkCompletedNormally(f, v1);
1685 >        checkCompletedNormally(g, v2);
1686  
1687 <        r = new Noop();
1688 <        f = new CompletableFuture<Integer>();
1689 <        f.complete(one);
1690 <        f2 = new CompletableFuture<Integer>();
1691 <        g = f.runAfterEither(f2, r);
992 <        checkCompletedNormally(g, null);
993 <        assertTrue(r.ran);
994 <    }
1687 >        // unspecified behavior
1688 >        assertTrue(Objects.equals(h.join(), inc(v1)) ||
1689 >                   Objects.equals(h.join(), inc(v2)));
1690 >        assertEquals(1, r.invocationCount);
1691 >    }}
1692  
1693      /**
1694 <     * runAfterEither result completes exceptionally after exceptional
1694 >     * applyToEither result completes exceptionally after exceptional
1695       * completion of either source
1696       */
1697 <    public void testRunAfterEither2() {
1698 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1699 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1700 <        Noop r = new Noop();
1701 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
1702 <        f.completeExceptionally(new CFException());
1703 <        f2.complete(one);
1704 <        checkCompletedWithWrappedCFException(g);
1705 <
1706 <        r = new Noop();
1707 <        f = new CompletableFuture<Integer>();
1708 <        f2 = new CompletableFuture<Integer>();
1709 <        f2.completeExceptionally(new CFException());
1710 <        g = f.runAfterEither(f2, r);
1711 <        checkCompletedWithWrappedCFException(g);
1712 <    }
1713 <
1714 <    /**
1018 <     * runAfterEither result completes exceptionally if action does
1019 <     */
1020 <    public void testRunAfterEither3() {
1021 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1022 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1023 <        FailingNoop r = new FailingNoop();
1024 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
1025 <        f2.complete(two);
1026 <        checkCompletedWithWrappedCFException(g);
1027 <    }
1028 <
1029 <    /**
1030 <     * runAfterEither result completes exceptionally if either source cancelled
1031 <     */
1032 <    public void testRunAfterEither4() {
1033 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1034 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1035 <        Noop r = new Noop();
1036 <        CompletableFuture<Void> g = f.runAfterEither(f2, r);
1037 <        assertTrue(f.cancel(true));
1038 <        checkCompletedWithWrappedCancellationException(g);
1039 <        f = new CompletableFuture<Integer>();
1040 <        f2 = new CompletableFuture<Integer>();
1041 <        assertTrue(f2.cancel(true));
1042 <        checkCompletedWithWrappedCancellationException(g);
1043 <    }
1044 <
1045 <    /**
1046 <     * thenCompose result completes normally after normal completion of source
1047 <     */
1048 <    public void testThenCompose() {
1049 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1050 <        CompletableFutureInc r = new CompletableFutureInc();
1051 <        CompletableFuture<Integer> g = f.thenCompose(r);
1052 <        f.complete(one);
1053 <        checkCompletedNormally(g, two);
1054 <    }
1055 <
1056 <    /**
1057 <     * thenCompose result completes exceptionally after exceptional
1058 <     * completion of source
1059 <     */
1060 <    public void testThenCompose2() {
1061 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1062 <        CompletableFutureInc r = new CompletableFutureInc();
1063 <        CompletableFuture<Integer> g = f.thenCompose(r);
1064 <        f.completeExceptionally(new CFException());
1065 <        checkCompletedWithWrappedCFException(g);
1066 <    }
1067 <
1068 <    /**
1069 <     * thenCompose result completes exceptionally if action does
1070 <     */
1071 <    public void testThenCompose3() {
1072 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1073 <        FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
1074 <        CompletableFuture<Integer> g = f.thenCompose(r);
1075 <        f.complete(one);
1076 <        checkCompletedWithWrappedCFException(g);
1077 <    }
1078 <
1079 <    /**
1080 <     * thenCompose result completes exceptionally if source cancelled
1081 <     */
1082 <    public void testThenCompose4() {
1083 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1084 <        CompletableFutureInc r = new CompletableFutureInc();
1085 <        CompletableFuture<Integer> g = f.thenCompose(r);
1086 <        assertTrue(f.cancel(true));
1087 <        checkCompletedWithWrappedCancellationException(g);
1088 <    }
1089 <
1090 <
1091 <    // asyncs
1697 >    public void testApplyToEither_exceptionalCompletion1() {
1698 >        for (ExecutionMode m : ExecutionMode.values())
1699 >        for (boolean createIncomplete : new boolean[] { true, false })
1700 >        for (boolean fFirst : new boolean[] { true, false })
1701 >        for (Integer v1 : new Integer[] { 1, null })
1702 >    {
1703 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1704 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1705 >        final CFException ex = new CFException();
1706 >        final IncFunction r = new IncFunction(m);
1707 >
1708 >        if (!createIncomplete) (fFirst ? f : g).completeExceptionally(ex);
1709 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1710 >        if (createIncomplete) {
1711 >            checkIncomplete(h);
1712 >            assertEquals(0, r.invocationCount);
1713 >            (fFirst ? f : g).completeExceptionally(ex);
1714 >        }
1715  
1716 <    /**
1717 <     * thenRunAsync result completes normally after normal completion of source
1095 <     */
1096 <    public void testThenRunAsync() {
1097 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1098 <        Noop r = new Noop();
1099 <        CompletableFuture<Void> g = f.thenRunAsync(r);
1100 <        f.complete(null);
1101 <        checkCompletedNormally(g, null);
1716 >        checkCompletedWithWrappedCFException(h, ex);
1717 >        (!fFirst ? f : g).complete(v1);
1718  
1719 <        // reordered version
1720 <        f = new CompletableFuture<Integer>();
1721 <        f.complete(null);
1722 <        r = new Noop();
1723 <        g = f.thenRunAsync(r);
1724 <        checkCompletedNormally(g, null);
1725 <    }
1719 >        assertEquals(0, r.invocationCount);
1720 >        checkCompletedNormally(!fFirst ? f : g, v1);
1721 >        checkCompletedWithWrappedCFException(fFirst ? f : g, ex);
1722 >        checkCompletedWithWrappedCFException(h, ex);
1723 >    }}
1724 >
1725 >    public void testApplyToEither_exceptionalCompletion2() {
1726 >        for (ExecutionMode m : ExecutionMode.values())
1727 >        for (boolean reverseArgs : new boolean[] { true, false })
1728 >        for (boolean fFirst : new boolean[] { true, false })
1729 >        for (Integer v1 : new Integer[] { 1, null })
1730 >    {
1731 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1732 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1733 >        final IncFunction r1 = new IncFunction(m);
1734 >        final IncFunction r2 = new IncFunction(m);
1735 >        final CFException ex = new CFException();
1736 >        final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1737 >        final CompletableFuture<Integer> k = (reverseArgs ? f : g);
1738 >        final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
1739 >        if (fFirst) {
1740 >            f.complete(v1);
1741 >            g.completeExceptionally(ex);
1742 >        } else {
1743 >            g.completeExceptionally(ex);
1744 >            f.complete(v1);
1745 >        }
1746 >        final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
1747  
1748 <    /**
1112 <     * thenRunAsync result completes exceptionally after exceptional
1113 <     * completion of source
1114 <     */
1115 <    public void testThenRunAsync2() {
1116 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1117 <        Noop r = new Noop();
1118 <        CompletableFuture<Void> g = f.thenRunAsync(r);
1119 <        f.completeExceptionally(new CFException());
1748 >        // unspecified behavior
1749          try {
1750 <            g.join();
1751 <            shouldThrow();
1752 <        } catch (Exception ok) {
1750 >            assertEquals(inc(v1), h1.join());
1751 >            assertEquals(1, r1.invocationCount);
1752 >        } catch (CompletionException ok) {
1753 >            checkCompletedWithWrappedCFException(h1, ex);
1754 >            assertEquals(0, r1.invocationCount);
1755          }
1125        checkCompletedWithWrappedCFException(g);
1126    }
1127
1128    /**
1129     * thenRunAsync result completes exceptionally if action does
1130     */
1131    public void testThenRunAsync3() {
1132        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1133        FailingNoop r = new FailingNoop();
1134        CompletableFuture<Void> g = f.thenRunAsync(r);
1135        f.complete(null);
1136        checkCompletedWithWrappedCFException(g);
1137    }
1138
1139    /**
1140     * thenRunAsync result completes exceptionally if source cancelled
1141     */
1142    public void testThenRunAsync4() {
1143        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1144        Noop r = new Noop();
1145        CompletableFuture<Void> g = f.thenRunAsync(r);
1146        assertTrue(f.cancel(true));
1147        checkCompletedWithWrappedCancellationException(g);
1148    }
1149
1150    /**
1151     * thenApplyAsync result completes normally after normal completion of source
1152     */
1153    public void testThenApplyAsync() {
1154        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1155        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1156        f.complete(one);
1157        checkCompletedNormally(g, two);
1158    }
1159
1160    /**
1161     * thenApplyAsync result completes exceptionally after exceptional
1162     * completion of source
1163     */
1164    public void testThenApplyAsync2() {
1165        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1166        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1167        f.completeExceptionally(new CFException());
1168        checkCompletedWithWrappedCFException(g);
1169    }
1170
1171    /**
1172     * thenApplyAsync result completes exceptionally if action does
1173     */
1174    public void testThenApplyAsync3() {
1175        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1176        FailingFunction r = new FailingFunction();
1177        CompletableFuture<Integer> g = f.thenApplyAsync(r);
1178        f.complete(null);
1179        checkCompletedWithWrappedCFException(g);
1180    }
1181
1182    /**
1183     * thenApplyAsync result completes exceptionally if source cancelled
1184     */
1185    public void testThenApplyAsync4() {
1186        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1187        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1188        assertTrue(f.cancel(true));
1189        checkCompletedWithWrappedCancellationException(g);
1190    }
1191
1192    /**
1193     * thenAcceptAsync result completes normally after normal
1194     * completion of source
1195     */
1196    public void testThenAcceptAsync() {
1197        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1198        IncAction r = new IncAction();
1199        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1200        f.complete(one);
1201        checkCompletedNormally(g, null);
1202        assertEquals(r.value, 2);
1203    }
1204
1205    /**
1206     * thenAcceptAsync result completes exceptionally after exceptional
1207     * completion of source
1208     */
1209    public void testThenAcceptAsync2() {
1210        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1211        IncAction r = new IncAction();
1212        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1213        f.completeExceptionally(new CFException());
1214        checkCompletedWithWrappedCFException(g);
1215    }
1216
1217    /**
1218     * thenAcceptAsync result completes exceptionally if action does
1219     */
1220    public void testThenAcceptAsync3() {
1221        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1222        FailingConsumer r = new FailingConsumer();
1223        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1224        f.complete(null);
1225        checkCompletedWithWrappedCFException(g);
1226    }
1227
1228    /**
1229     * thenAcceptAsync result completes exceptionally if source cancelled
1230     */
1231    public void testThenAcceptAsync4() {
1232        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1233        IncAction r = new IncAction();
1234        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1235        assertTrue(f.cancel(true));
1236        checkCompletedWithWrappedCancellationException(g);
1237    }
1238    /**
1239     * thenCombineAsync result completes normally after normal
1240     * completion of sources
1241     */
1242    public void testThenCombineAsync() {
1243        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1244        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1245        CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
1246        f.complete(one);
1247        checkIncomplete(g);
1248        f2.complete(two);
1249        checkCompletedNormally(g, three);
1250    }
1251
1252    /**
1253     * thenCombineAsync result completes exceptionally after exceptional
1254     * completion of source
1255     */
1256    public void testThenCombineAsync2() {
1257        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1258        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1259        CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
1260        f.completeExceptionally(new CFException());
1261        f2.complete(two);
1262        checkCompletedWithWrappedCFException(g);
1263
1264        f = new CompletableFuture<Integer>();
1265        f2 = new CompletableFuture<Integer>();
1266        g = f.thenCombineAsync(f2, add);
1267        f.complete(one);
1268        f2.completeExceptionally(new CFException());
1269        checkCompletedWithWrappedCFException(g);
1270    }
1756  
1272    /**
1273     * thenCombineAsync result completes exceptionally if action does
1274     */
1275    public void testThenCombineAsync3() {
1276        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1277        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1278        FailingBiFunction r = new FailingBiFunction();
1279        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1280        f.complete(one);
1281        checkIncomplete(g);
1282        f2.complete(two);
1283        checkCompletedWithWrappedCFException(g);
1284    }
1285
1286    /**
1287     * thenCombineAsync result completes exceptionally if either source cancelled
1288     */
1289    public void testThenCombineAsync4() {
1290        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1291        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1292        CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
1293        assertTrue(f.cancel(true));
1294        f2.complete(two);
1295        checkCompletedWithWrappedCancellationException(g);
1296
1297        f = new CompletableFuture<Integer>();
1298        f2 = new CompletableFuture<Integer>();
1299        g = f.thenCombineAsync(f2, add);
1300        f.complete(one);
1301        assertTrue(f2.cancel(true));
1302        checkCompletedWithWrappedCancellationException(g);
1303    }
1304
1305    /**
1306     * thenAcceptBothAsync result completes normally after normal
1307     * completion of sources
1308     */
1309    public void testThenAcceptBothAsync() {
1310        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1311        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1312        AddAction r = new AddAction();
1313        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1314        f.complete(one);
1315        checkIncomplete(g);
1316        f2.complete(two);
1317        checkCompletedNormally(g, null);
1318        assertEquals(r.value, 3);
1319    }
1320
1321    /**
1322     * thenAcceptBothAsync result completes exceptionally after exceptional
1323     * completion of source
1324     */
1325    public void testThenAcceptBothAsync2() {
1326        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1327        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1328        AddAction r = new AddAction();
1329        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1330        f.completeExceptionally(new CFException());
1331        f2.complete(two);
1332        checkCompletedWithWrappedCFException(g);
1333
1334        r = new AddAction();
1335        f = new CompletableFuture<Integer>();
1336        f2 = new CompletableFuture<Integer>();
1337        g = f.thenAcceptBothAsync(f2, r);
1338        f.complete(one);
1339        f2.completeExceptionally(new CFException());
1340        checkCompletedWithWrappedCFException(g);
1341    }
1342
1343    /**
1344     * thenAcceptBothAsync result completes exceptionally if action does
1345     */
1346    public void testThenAcceptBothAsync3() {
1347        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1348        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1349        FailingBiConsumer r = new FailingBiConsumer();
1350        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1351        f.complete(one);
1352        checkIncomplete(g);
1353        f2.complete(two);
1354        checkCompletedWithWrappedCFException(g);
1355    }
1356
1357    /**
1358     * thenAcceptBothAsync result completes exceptionally if either source cancelled
1359     */
1360    public void testThenAcceptBothAsync4() {
1361        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1362        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1363        AddAction r = new AddAction();
1364        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1365        assertTrue(f.cancel(true));
1366        f2.complete(two);
1367        checkCompletedWithWrappedCancellationException(g);
1368
1369        r = new AddAction();
1370        f = new CompletableFuture<Integer>();
1371        f2 = new CompletableFuture<Integer>();
1372        g = f.thenAcceptBothAsync(f2, r);
1373        f.complete(one);
1374        assertTrue(f2.cancel(true));
1375        checkCompletedWithWrappedCancellationException(g);
1376    }
1377
1378    /**
1379     * runAfterBothAsync result completes normally after normal
1380     * completion of sources
1381     */
1382    public void testRunAfterBothAsync() {
1383        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1384        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1385        Noop r = new Noop();
1386        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1387        f.complete(one);
1388        checkIncomplete(g);
1389        f2.complete(two);
1390        checkCompletedNormally(g, null);
1391        assertTrue(r.ran);
1392    }
1393
1394    /**
1395     * runAfterBothAsync result completes exceptionally after exceptional
1396     * completion of source
1397     */
1398    public void testRunAfterBothAsync2() {
1399        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1400        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1401        Noop r = new Noop();
1402        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1403        f.completeExceptionally(new CFException());
1404        f2.complete(two);
1405        checkCompletedWithWrappedCFException(g);
1406
1407        r = new Noop();
1408        f = new CompletableFuture<Integer>();
1409        f2 = new CompletableFuture<Integer>();
1410        g = f.runAfterBothAsync(f2, r);
1411        f.complete(one);
1412        f2.completeExceptionally(new CFException());
1413        checkCompletedWithWrappedCFException(g);
1414    }
1415
1416    /**
1417     * runAfterBothAsync result completes exceptionally if action does
1418     */
1419    public void testRunAfterBothAsync3() {
1420        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1421        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1422        FailingNoop r = new FailingNoop();
1423        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1424        f.complete(one);
1425        checkIncomplete(g);
1426        f2.complete(two);
1427        checkCompletedWithWrappedCFException(g);
1428    }
1429
1430    /**
1431     * runAfterBothAsync result completes exceptionally if either source cancelled
1432     */
1433    public void testRunAfterBothAsync4() {
1434        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1435        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1436        Noop r = new Noop();
1437        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1438        assertTrue(f.cancel(true));
1439        f2.complete(two);
1440        checkCompletedWithWrappedCancellationException(g);
1441
1442        r = new Noop();
1443        f = new CompletableFuture<Integer>();
1444        f2 = new CompletableFuture<Integer>();
1445        g = f.runAfterBothAsync(f2, r);
1446        f.complete(one);
1447        assertTrue(f2.cancel(true));
1448        checkCompletedWithWrappedCancellationException(g);
1449    }
1450
1451    /**
1452     * applyToEitherAsync result completes normally after normal
1453     * completion of sources
1454     */
1455    public void testApplyToEitherAsync() {
1456        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1457        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1458        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1459        f.complete(one);
1460        checkCompletedNormally(g, two);
1461
1462        f = new CompletableFuture<Integer>();
1463        f.complete(one);
1464        f2 = new CompletableFuture<Integer>();
1465        g = f.applyToEitherAsync(f2, inc);
1466        checkCompletedNormally(g, two);
1467    }
1468
1469    /**
1470     * applyToEitherAsync result completes exceptionally after exceptional
1471     * completion of source
1472     */
1473    public void testApplyToEitherAsync2() {
1474        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1475        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1476        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1477        f.completeExceptionally(new CFException());
1478        checkCompletedWithWrappedCFException(g);
1479
1480        f = new CompletableFuture<Integer>();
1481        f2 = new CompletableFuture<Integer>();
1482        f2.completeExceptionally(new CFException());
1483        g = f.applyToEitherAsync(f2, inc);
1484        f.complete(one);
1485        checkCompletedWithWrappedCFException(g);
1486    }
1487
1488    /**
1489     * applyToEitherAsync result completes exceptionally if action does
1490     */
1491    public void testApplyToEitherAsync3() {
1492        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1493        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1494        FailingFunction r = new FailingFunction();
1495        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1496        f.complete(one);
1497        checkCompletedWithWrappedCFException(g);
1498    }
1499
1500    /**
1501     * applyToEitherAsync result completes exceptionally if either source cancelled
1502     */
1503    public void testApplyToEitherAsync4() {
1504        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1505        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1506        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1507        assertTrue(f.cancel(true));
1508        checkCompletedWithWrappedCancellationException(g);
1509
1510        f = new CompletableFuture<Integer>();
1511        f2 = new CompletableFuture<Integer>();
1512        assertTrue(f2.cancel(true));
1513        g = f.applyToEitherAsync(f2, inc);
1514        checkCompletedWithWrappedCancellationException(g);
1515    }
1516
1517    /**
1518     * acceptEitherAsync result completes normally after normal
1519     * completion of sources
1520     */
1521    public void testAcceptEitherAsync() {
1522        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1523        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1524        IncAction r = new IncAction();
1525        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1526        f.complete(one);
1527        checkCompletedNormally(g, null);
1528        assertEquals(r.value, 2);
1529
1530        r = new IncAction();
1531        f = new CompletableFuture<Integer>();
1532        f.complete(one);
1533        f2 = new CompletableFuture<Integer>();
1534        g = f.acceptEitherAsync(f2, r);
1535        checkCompletedNormally(g, null);
1536        assertEquals(r.value, 2);
1537    }
1538
1539    /**
1540     * acceptEitherAsync result completes exceptionally after exceptional
1541     * completion of source
1542     */
1543    public void testAcceptEitherAsync2() {
1544        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1545        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1546        IncAction r = new IncAction();
1547        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1548        f.completeExceptionally(new CFException());
1549        checkCompletedWithWrappedCFException(g);
1550
1551        r = new IncAction();
1552        f = new CompletableFuture<Integer>();
1553        f2 = new CompletableFuture<Integer>();
1554        f2.completeExceptionally(new CFException());
1555        g = f.acceptEitherAsync(f2, r);
1556        f.complete(one);
1557        checkCompletedWithWrappedCFException(g);
1558    }
1559
1560    /**
1561     * acceptEitherAsync result completes exceptionally if action does
1562     */
1563    public void testAcceptEitherAsync3() {
1564        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1565        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1566        FailingConsumer r = new FailingConsumer();
1567        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1568        f.complete(one);
1569        checkCompletedWithWrappedCFException(g);
1570    }
1571
1572    /**
1573     * acceptEitherAsync result completes exceptionally if either
1574     * source cancelled
1575     */
1576    public void testAcceptEitherAsync4() {
1577        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1578        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1579        IncAction r = new IncAction();
1580        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1581        assertTrue(f.cancel(true));
1582        checkCompletedWithWrappedCancellationException(g);
1583
1584        r = new IncAction();
1585        f = new CompletableFuture<Integer>();
1586        f2 = new CompletableFuture<Integer>();
1587        assertTrue(f2.cancel(true));
1588        g = f.acceptEitherAsync(f2, r);
1589        checkCompletedWithWrappedCancellationException(g);
1590    }
1591
1592    /**
1593     * runAfterEitherAsync result completes normally after normal
1594     * completion of sources
1595     */
1596    public void testRunAfterEitherAsync() {
1597        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1598        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1599        Noop r = new Noop();
1600        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1601        f.complete(one);
1602        checkCompletedNormally(g, null);
1603        assertTrue(r.ran);
1604
1605        r = new Noop();
1606        f = new CompletableFuture<Integer>();
1607        f.complete(one);
1608        f2 = new CompletableFuture<Integer>();
1609        g = f.runAfterEitherAsync(f2, r);
1610        checkCompletedNormally(g, null);
1611        assertTrue(r.ran);
1612    }
1613
1614    /**
1615     * runAfterEitherAsync result completes exceptionally after exceptional
1616     * completion of source
1617     */
1618    public void testRunAfterEitherAsync2() {
1619        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1620        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1621        Noop r = new Noop();
1622        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1623        f.completeExceptionally(new CFException());
1624        checkCompletedWithWrappedCFException(g);
1625
1626        r = new Noop();
1627        f = new CompletableFuture<Integer>();
1628        f2 = new CompletableFuture<Integer>();
1629        f2.completeExceptionally(new CFException());
1630        g = f.runAfterEitherAsync(f2, r);
1631        f.complete(one);
1632        checkCompletedWithWrappedCFException(g);
1633    }
1634
1635    /**
1636     * runAfterEitherAsync result completes exceptionally if action does
1637     */
1638    public void testRunAfterEitherAsync3() {
1639        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1640        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1641        FailingNoop r = new FailingNoop();
1642        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1643        f.complete(one);
1644        checkCompletedWithWrappedCFException(g);
1645    }
1646
1647    /**
1648     * runAfterEitherAsync result completes exceptionally if either
1649     * source cancelled
1650     */
1651    public void testRunAfterEitherAsync4() {
1652        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1653        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1654        Noop r = new Noop();
1655        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1656        assertTrue(f.cancel(true));
1657        checkCompletedWithWrappedCancellationException(g);
1658
1659        r = new Noop();
1660        f = new CompletableFuture<Integer>();
1661        f2 = new CompletableFuture<Integer>();
1662        assertTrue(f2.cancel(true));
1663        g = f.runAfterEitherAsync(f2, r);
1664        checkCompletedWithWrappedCancellationException(g);
1665    }
1666
1667    /**
1668     * thenComposeAsync result completes normally after normal
1669     * completion of source
1670     */
1671    public void testThenComposeAsync() {
1672        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1673        CompletableFutureInc r = new CompletableFutureInc();
1674        CompletableFuture<Integer> g = f.thenComposeAsync(r);
1675        f.complete(one);
1676        checkCompletedNormally(g, two);
1677    }
1678
1679    /**
1680     * thenComposeAsync result completes exceptionally after
1681     * exceptional completion of source
1682     */
1683    public void testThenComposeAsync2() {
1684        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1685        CompletableFutureInc r = new CompletableFutureInc();
1686        CompletableFuture<Integer> g = f.thenComposeAsync(r);
1687        f.completeExceptionally(new CFException());
1688        checkCompletedWithWrappedCFException(g);
1689    }
1690
1691    /**
1692     * thenComposeAsync result completes exceptionally if action does
1693     */
1694    public void testThenComposeAsync3() {
1695        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1696        FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
1697        CompletableFuture<Integer> g = f.thenComposeAsync(r);
1698        f.complete(one);
1699        checkCompletedWithWrappedCFException(g);
1700    }
1701
1702    /**
1703     * thenComposeAsync result completes exceptionally if source cancelled
1704     */
1705    public void testThenComposeAsync4() {
1706        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1707        CompletableFutureInc r = new CompletableFutureInc();
1708        CompletableFuture<Integer> g = f.thenComposeAsync(r);
1709        assertTrue(f.cancel(true));
1710        checkCompletedWithWrappedCancellationException(g);
1711    }
1712
1713
1714    // async with explicit executors
1715
1716    /**
1717     * thenRunAsync result completes normally after normal completion of source
1718     */
1719    public void testThenRunAsyncE() {
1720        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1721        Noop r = new Noop();
1722        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1723        f.complete(null);
1724        checkCompletedNormally(g, null);
1725
1726        // reordered version
1727        f = new CompletableFuture<Integer>();
1728        f.complete(null);
1729        r = new Noop();
1730        g = f.thenRunAsync(r, new ThreadExecutor());
1731        checkCompletedNormally(g, null);
1732    }
1733
1734    /**
1735     * thenRunAsync result completes exceptionally after exceptional
1736     * completion of source
1737     */
1738    public void testThenRunAsync2E() {
1739        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1740        Noop r = new Noop();
1741        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1742        f.completeExceptionally(new CFException());
1757          try {
1758 <            g.join();
1759 <            shouldThrow();
1760 <        } catch (Exception ok) {
1758 >            assertEquals(inc(v1), h2.join());
1759 >            assertEquals(1, r2.invocationCount);
1760 >        } catch (CompletionException ok) {
1761 >            checkCompletedWithWrappedCFException(h2, ex);
1762 >            assertEquals(0, r2.invocationCount);
1763          }
1748        checkCompletedWithWrappedCFException(g);
1749    }
1750
1751    /**
1752     * thenRunAsync result completes exceptionally if action does
1753     */
1754    public void testThenRunAsync3E() {
1755        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1756        FailingNoop r = new FailingNoop();
1757        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1758        f.complete(null);
1759        checkCompletedWithWrappedCFException(g);
1760    }
1761
1762    /**
1763     * thenRunAsync result completes exceptionally if source cancelled
1764     */
1765    public void testThenRunAsync4E() {
1766        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1767        Noop r = new Noop();
1768        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1769        assertTrue(f.cancel(true));
1770        checkCompletedWithWrappedCancellationException(g);
1771    }
1764  
1765 <    /**
1766 <     * thenApplyAsync result completes normally after normal completion of source
1767 <     */
1776 <    public void testThenApplyAsyncE() {
1777 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1778 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
1779 <        f.complete(one);
1780 <        checkCompletedNormally(g, two);
1781 <    }
1765 >        checkCompletedWithWrappedCFException(g, ex);
1766 >        checkCompletedNormally(f, v1);
1767 >    }}
1768  
1769      /**
1770 <     * thenApplyAsync result completes exceptionally after exceptional
1785 <     * completion of source
1786 <     */
1787 <    public void testThenApplyAsync2E() {
1788 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1789 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
1790 <        f.completeExceptionally(new CFException());
1791 <        checkCompletedWithWrappedCFException(g);
1792 <    }
1793 <
1794 <    /**
1795 <     * thenApplyAsync result completes exceptionally if action does
1796 <     */
1797 <    public void testThenApplyAsync3E() {
1798 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1799 <        FailingFunction r = new FailingFunction();
1800 <        CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
1801 <        f.complete(null);
1802 <        checkCompletedWithWrappedCFException(g);
1803 <    }
1804 <
1805 <    /**
1806 <     * thenApplyAsync result completes exceptionally if source cancelled
1770 >     * applyToEither result completes exceptionally if action does
1771       */
1772 <    public void testThenApplyAsync4E() {
1773 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1774 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
1775 <        assertTrue(f.cancel(true));
1776 <        checkCompletedWithWrappedCancellationException(g);
1777 <    }
1772 >    public void testApplyToEither_actionFailed1() {
1773 >        for (ExecutionMode m : ExecutionMode.values())
1774 >        for (Integer v1 : new Integer[] { 1, null })
1775 >        for (Integer v2 : new Integer[] { 2, null })
1776 >    {
1777 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1778 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1779 >        final FailingFunction r = new FailingFunction(m);
1780 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1781 >
1782 >        f.complete(v1);
1783 >        checkCompletedWithWrappedCFException(h);
1784 >        g.complete(v2);
1785 >        checkCompletedNormally(f, v1);
1786 >        checkCompletedNormally(g, v2);
1787 >    }}
1788 >
1789 >    public void testApplyToEither_actionFailed2() {
1790 >        for (ExecutionMode m : ExecutionMode.values())
1791 >        for (Integer v1 : new Integer[] { 1, null })
1792 >        for (Integer v2 : new Integer[] { 2, null })
1793 >    {
1794 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1795 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1796 >        final FailingFunction r = new FailingFunction(m);
1797 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1798 >
1799 >        g.complete(v2);
1800 >        checkCompletedWithWrappedCFException(h);
1801 >        f.complete(v1);
1802 >        checkCompletedNormally(f, v1);
1803 >        checkCompletedNormally(g, v2);
1804 >    }}
1805  
1806      /**
1807 <     * thenAcceptAsync result completes normally after normal
1817 <     * completion of source
1807 >     * applyToEither result completes exceptionally if either source cancelled
1808       */
1809 <    public void testThenAcceptAsyncE() {
1810 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1811 <        IncAction r = new IncAction();
1812 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1813 <        f.complete(one);
1814 <        checkCompletedNormally(g, null);
1815 <        assertEquals(r.value, 2);
1816 <    }
1809 >    public void testApplyToEither_sourceCancelled1() {
1810 >        for (ExecutionMode m : ExecutionMode.values())
1811 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1812 >        for (boolean createIncomplete : new boolean[] { true, false })
1813 >        for (boolean fFirst : new boolean[] { true, false })
1814 >        for (Integer v1 : new Integer[] { 1, null })
1815 >    {
1816 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1817 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1818 >        final IncFunction r = new IncFunction(m);
1819 >
1820 >        if (!createIncomplete) assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
1821 >        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1822 >        if (createIncomplete) {
1823 >            checkIncomplete(h);
1824 >            assertEquals(0, r.invocationCount);
1825 >            assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
1826 >        }
1827  
1828 <    /**
1829 <     * thenAcceptAsync result completes exceptionally after exceptional
1830 <     * completion of source
1831 <     */
1832 <    public void testThenAcceptAsync2E() {
1833 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1834 <        IncAction r = new IncAction();
1835 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1836 <        f.completeExceptionally(new CFException());
1837 <        checkCompletedWithWrappedCFException(g);
1838 <    }
1828 >        checkCompletedWithWrappedCancellationException(h);
1829 >        (!fFirst ? f : g).complete(v1);
1830  
1831 <    /**
1832 <     * thenAcceptAsync result completes exceptionally if action does
1833 <     */
1834 <    public void testThenAcceptAsync3E() {
1835 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1836 <        FailingConsumer r = new FailingConsumer();
1837 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1838 <        f.complete(null);
1839 <        checkCompletedWithWrappedCFException(g);
1840 <    }
1831 >        assertEquals(0, r.invocationCount);
1832 >        checkCompletedNormally(!fFirst ? f : g, v1);
1833 >        checkCancelled(fFirst ? f : g);
1834 >        checkCompletedWithWrappedCancellationException(h);
1835 >    }}
1836 >
1837 >    public void testApplyToEither_sourceCancelled2() {
1838 >        for (ExecutionMode m : ExecutionMode.values())
1839 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1840 >        for (boolean reverseArgs : new boolean[] { true, false })
1841 >        for (boolean fFirst : new boolean[] { true, false })
1842 >        for (Integer v1 : new Integer[] { 1, null })
1843 >    {
1844 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1845 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1846 >        final IncFunction r1 = new IncFunction(m);
1847 >        final IncFunction r2 = new IncFunction(m);
1848 >        final CFException ex = new CFException();
1849 >        final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1850 >        final CompletableFuture<Integer> k = (reverseArgs ? f : g);
1851 >
1852 >        final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
1853 >        if (fFirst) {
1854 >            f.complete(v1);
1855 >            assertTrue(g.cancel(mayInterruptIfRunning));
1856 >        } else {
1857 >            assertTrue(g.cancel(mayInterruptIfRunning));
1858 >            f.complete(v1);
1859 >        }
1860 >        final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
1861  
1862 <    /**
1863 <     * thenAcceptAsync result completes exceptionally if source cancelled
1864 <     */
1865 <    public void testThenAcceptAsync4E() {
1866 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1867 <        IncAction r = new IncAction();
1868 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1869 <        assertTrue(f.cancel(true));
1859 <        checkCompletedWithWrappedCancellationException(g);
1860 <    }
1861 <    /**
1862 <     * thenCombineAsync result completes normally after normal
1863 <     * completion of sources
1864 <     */
1865 <    public void testThenCombineAsyncE() {
1866 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1867 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1868 <        CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1869 <        f.complete(one);
1870 <        checkIncomplete(g);
1871 <        f2.complete(two);
1872 <        checkCompletedNormally(g, three);
1873 <    }
1862 >        // unspecified behavior
1863 >        try {
1864 >            assertEquals(inc(v1), h1.join());
1865 >            assertEquals(1, r1.invocationCount);
1866 >        } catch (CompletionException ok) {
1867 >            checkCompletedWithWrappedCancellationException(h1);
1868 >            assertEquals(0, r1.invocationCount);
1869 >        }
1870  
1871 <    /**
1872 <     * thenCombineAsync result completes exceptionally after exceptional
1873 <     * completion of source
1874 <     */
1875 <    public void testThenCombineAsync2E() {
1876 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1877 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1882 <        CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1883 <        f.completeExceptionally(new CFException());
1884 <        f2.complete(two);
1885 <        checkCompletedWithWrappedCFException(g);
1871 >        try {
1872 >            assertEquals(inc(v1), h2.join());
1873 >            assertEquals(1, r2.invocationCount);
1874 >        } catch (CompletionException ok) {
1875 >            checkCompletedWithWrappedCancellationException(h2);
1876 >            assertEquals(0, r2.invocationCount);
1877 >        }
1878  
1879 <        f = new CompletableFuture<Integer>();
1880 <        f2 = new CompletableFuture<Integer>();
1881 <        g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1890 <        f.complete(one);
1891 <        f2.completeExceptionally(new CFException());
1892 <        checkCompletedWithWrappedCFException(g);
1893 <    }
1879 >        checkCancelled(g);
1880 >        checkCompletedNormally(f, v1);
1881 >    }}
1882  
1883      /**
1884 <     * thenCombineAsync result completes exceptionally if action does
1884 >     * acceptEither result completes normally after normal completion
1885 >     * of either source
1886       */
1887 <    public void testThenCombineAsync3E() {
1888 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1889 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1890 <        FailingBiFunction r = new FailingBiFunction();
1891 <        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
1892 <        f.complete(one);
1893 <        checkIncomplete(g);
1894 <        f2.complete(two);
1895 <        checkCompletedWithWrappedCFException(g);
1896 <    }
1887 >    public void testAcceptEither_normalCompletion1() {
1888 >        for (ExecutionMode m : ExecutionMode.values())
1889 >        for (Integer v1 : new Integer[] { 1, null })
1890 >        for (Integer v2 : new Integer[] { 2, null })
1891 >    {
1892 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1893 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1894 >        final IncAction r = new IncAction();
1895 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1896 >
1897 >        f.complete(v1);
1898 >        checkCompletedNormally(h, null);
1899 >        assertEquals(inc(v1), r.value);
1900 >        g.complete(v2);
1901 >
1902 >        checkCompletedNormally(f, v1);
1903 >        checkCompletedNormally(g, v2);
1904 >        checkCompletedNormally(h, null);
1905 >    }}
1906 >
1907 >    public void testAcceptEither_normalCompletion2() {
1908 >        for (ExecutionMode m : ExecutionMode.values())
1909 >        for (Integer v1 : new Integer[] { 1, null })
1910 >        for (Integer v2 : new Integer[] { 2, null })
1911 >    {
1912 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1913 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1914 >        final IncAction r = new IncAction();
1915 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1916 >
1917 >        g.complete(v2);
1918 >        checkCompletedNormally(h, null);
1919 >        assertEquals(inc(v2), r.value);
1920 >        f.complete(v1);
1921 >
1922 >        checkCompletedNormally(f, v1);
1923 >        checkCompletedNormally(g, v2);
1924 >        checkCompletedNormally(h, null);
1925 >    }}
1926 >
1927 >    public void testAcceptEither_normalCompletion3() {
1928 >        for (ExecutionMode m : ExecutionMode.values())
1929 >        for (Integer v1 : new Integer[] { 1, null })
1930 >        for (Integer v2 : new Integer[] { 2, null })
1931 >    {
1932 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1933 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1934 >        final IncAction r = new IncAction();
1935 >
1936 >        f.complete(v1);
1937 >        g.complete(v2);
1938 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1939 >
1940 >        checkCompletedNormally(h, null);
1941 >        checkCompletedNormally(f, v1);
1942 >        checkCompletedNormally(g, v2);
1943 >
1944 >        // unspecified behavior
1945 >        assertTrue(Objects.equals(r.value, inc(v1)) ||
1946 >                   Objects.equals(r.value, inc(v2)));
1947 >    }}
1948  
1949      /**
1950 <     * thenCombineAsync result completes exceptionally if either source cancelled
1950 >     * acceptEither result completes exceptionally after exceptional
1951 >     * completion of either source
1952       */
1953 <    public void testThenCombineAsync4E() {
1954 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1955 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1956 <        CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1957 <        assertTrue(f.cancel(true));
1958 <        f2.complete(two);
1959 <        checkCompletedWithWrappedCancellationException(g);
1953 >    public void testAcceptEither_exceptionalCompletion1() {
1954 >        for (ExecutionMode m : ExecutionMode.values())
1955 >        for (Integer v1 : new Integer[] { 1, null })
1956 >    {
1957 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1958 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1959 >        final IncAction r = new IncAction();
1960 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1961 >        final CFException ex = new CFException();
1962 >
1963 >        f.completeExceptionally(ex);
1964 >        checkCompletedWithWrappedCFException(h, ex);
1965 >        g.complete(v1);
1966 >
1967 >        assertEquals(0, r.invocationCount);
1968 >        checkCompletedNormally(g, v1);
1969 >        checkCompletedWithWrappedCFException(f, ex);
1970 >        checkCompletedWithWrappedCFException(h, ex);
1971 >    }}
1972 >
1973 >    public void testAcceptEither_exceptionalCompletion2() {
1974 >        for (ExecutionMode m : ExecutionMode.values())
1975 >        for (Integer v1 : new Integer[] { 1, null })
1976 >    {
1977 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1978 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1979 >        final IncAction r = new IncAction();
1980 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1981 >        final CFException ex = new CFException();
1982 >
1983 >        g.completeExceptionally(ex);
1984 >        checkCompletedWithWrappedCFException(h, ex);
1985 >        f.complete(v1);
1986 >
1987 >        assertEquals(0, r.invocationCount);
1988 >        checkCompletedNormally(f, v1);
1989 >        checkCompletedWithWrappedCFException(g, ex);
1990 >        checkCompletedWithWrappedCFException(h, ex);
1991 >    }}
1992 >
1993 >    public void testAcceptEither_exceptionalCompletion3() {
1994 >        for (ExecutionMode m : ExecutionMode.values())
1995 >        for (Integer v1 : new Integer[] { 1, null })
1996 >    {
1997 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1998 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
1999 >        final IncAction r = new IncAction();
2000 >        final CFException ex = new CFException();
2001 >
2002 >        g.completeExceptionally(ex);
2003 >        f.complete(v1);
2004 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2005  
2006 <        f = new CompletableFuture<Integer>();
2007 <        f2 = new CompletableFuture<Integer>();
2008 <        g = f.thenCombineAsync(f2, add, new ThreadExecutor());
2009 <        f.complete(one);
2010 <        assertTrue(f2.cancel(true));
2011 <        checkCompletedWithWrappedCancellationException(g);
2012 <    }
2006 >        // unspecified behavior
2007 >        Integer v;
2008 >        try {
2009 >            assertNull(h.join());
2010 >            assertEquals(1, r.invocationCount);
2011 >            assertEquals(inc(v1), r.value);
2012 >        } catch (CompletionException ok) {
2013 >            checkCompletedWithWrappedCFException(h, ex);
2014 >            assertEquals(0, r.invocationCount);
2015 >        }
2016  
2017 <    /**
2018 <     * thenAcceptBothAsync result completes normally after normal
2019 <     * completion of sources
2020 <     */
2021 <    public void testThenAcceptBothAsyncE() {
2022 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2023 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2024 <        AddAction r = new AddAction();
2025 <        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2026 <        f.complete(one);
2027 <        checkIncomplete(g);
2028 <        f2.complete(two);
2029 <        checkCompletedNormally(g, null);
2030 <        assertEquals(r.value, 3);
2031 <    }
2017 >        checkCompletedWithWrappedCFException(g, ex);
2018 >        checkCompletedNormally(f, v1);
2019 >    }}
2020 >
2021 >    public void testAcceptEither_exceptionalCompletion4() {
2022 >        for (ExecutionMode m : ExecutionMode.values())
2023 >        for (Integer v1 : new Integer[] { 1, null })
2024 >    {
2025 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2026 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2027 >        final IncAction r = new IncAction();
2028 >        final CFException ex = new CFException();
2029 >
2030 >        f.completeExceptionally(ex);
2031 >        g.complete(v1);
2032 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2033  
2034 <    /**
2035 <     * thenAcceptBothAsync result completes exceptionally after exceptional
2036 <     * completion of source
2037 <     */
2038 <    public void testThenAcceptBothAsync2E() {
2039 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2040 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2041 <        AddAction r = new AddAction();
2042 <        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2043 <        f.completeExceptionally(new CFException());
1954 <        f2.complete(two);
1955 <        checkCompletedWithWrappedCFException(g);
2034 >        // unspecified behavior
2035 >        Integer v;
2036 >        try {
2037 >            assertNull(h.join());
2038 >            assertEquals(1, r.invocationCount);
2039 >            assertEquals(inc(v1), r.value);
2040 >        } catch (CompletionException ok) {
2041 >            checkCompletedWithWrappedCFException(h, ex);
2042 >            assertEquals(0, r.invocationCount);
2043 >        }
2044  
2045 <        r = new AddAction();
2046 <        f = new CompletableFuture<Integer>();
2047 <        f2 = new CompletableFuture<Integer>();
1960 <        g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1961 <        f.complete(one);
1962 <        f2.completeExceptionally(new CFException());
1963 <        checkCompletedWithWrappedCFException(g);
1964 <    }
2045 >        checkCompletedWithWrappedCFException(f, ex);
2046 >        checkCompletedNormally(g, v1);
2047 >    }}
2048  
2049      /**
2050 <     * thenAcceptBothAsync result completes exceptionally if action does
2050 >     * acceptEither result completes exceptionally if action does
2051       */
2052 <    public void testThenAcceptBothAsync3E() {
2053 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2054 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2055 <        FailingBiConsumer r = new FailingBiConsumer();
2056 <        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2057 <        f.complete(one);
2058 <        checkIncomplete(g);
2059 <        f2.complete(two);
2060 <        checkCompletedWithWrappedCFException(g);
2061 <    }
2052 >    public void testAcceptEither_actionFailed1() {
2053 >        for (ExecutionMode m : ExecutionMode.values())
2054 >        for (Integer v1 : new Integer[] { 1, null })
2055 >        for (Integer v2 : new Integer[] { 2, null })
2056 >    {
2057 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2058 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2059 >        final FailingConsumer r = new FailingConsumer(m);
2060 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2061 >
2062 >        f.complete(v1);
2063 >        checkCompletedWithWrappedCFException(h);
2064 >        g.complete(v2);
2065 >        checkCompletedNormally(f, v1);
2066 >        checkCompletedNormally(g, v2);
2067 >    }}
2068 >
2069 >    public void testAcceptEither_actionFailed2() {
2070 >        for (ExecutionMode m : ExecutionMode.values())
2071 >        for (Integer v1 : new Integer[] { 1, null })
2072 >        for (Integer v2 : new Integer[] { 2, null })
2073 >    {
2074 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2075 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2076 >        final FailingConsumer r = new FailingConsumer(m);
2077 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2078 >
2079 >        g.complete(v2);
2080 >        checkCompletedWithWrappedCFException(h);
2081 >        f.complete(v1);
2082 >        checkCompletedNormally(f, v1);
2083 >        checkCompletedNormally(g, v2);
2084 >    }}
2085  
2086      /**
2087 <     * thenAcceptBothAsync result completes exceptionally if either source cancelled
2087 >     * acceptEither result completes exceptionally if either source cancelled
2088       */
2089 <    public void testThenAcceptBothAsync4E() {
2090 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2091 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2092 <        AddAction r = new AddAction();
2093 <        CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2094 <        assertTrue(f.cancel(true));
2095 <        f2.complete(two);
2096 <        checkCompletedWithWrappedCancellationException(g);
2089 >    public void testAcceptEither_sourceCancelled1() {
2090 >        for (ExecutionMode m : ExecutionMode.values())
2091 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2092 >        for (Integer v1 : new Integer[] { 1, null })
2093 >    {
2094 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2095 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2096 >        final IncAction r = new IncAction();
2097 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2098 >
2099 >        assertTrue(f.cancel(mayInterruptIfRunning));
2100 >        checkCompletedWithWrappedCancellationException(h);
2101 >        g.complete(v1);
2102  
2103 <        r = new AddAction();
2104 <        f = new CompletableFuture<Integer>();
2105 <        f2 = new CompletableFuture<Integer>();
2106 <        g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2107 <        f.complete(one);
2108 <        assertTrue(f2.cancel(true));
2109 <        checkCompletedWithWrappedCancellationException(g);
2110 <    }
2103 >        checkCancelled(f);
2104 >        assertEquals(0, r.invocationCount);
2105 >        checkCompletedNormally(g, v1);
2106 >        checkCompletedWithWrappedCancellationException(h);
2107 >    }}
2108 >
2109 >    public void testAcceptEither_sourceCancelled2() {
2110 >        for (ExecutionMode m : ExecutionMode.values())
2111 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2112 >        for (Integer v1 : new Integer[] { 1, null })
2113 >    {
2114 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2115 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2116 >        final IncAction r = new IncAction();
2117 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2118 >
2119 >        assertTrue(g.cancel(mayInterruptIfRunning));
2120 >        checkCompletedWithWrappedCancellationException(h);
2121 >        f.complete(v1);
2122 >
2123 >        checkCancelled(g);
2124 >        assertEquals(0, r.invocationCount);
2125 >        checkCompletedNormally(f, v1);
2126 >        checkCompletedWithWrappedCancellationException(h);
2127 >    }}
2128 >
2129 >    public void testAcceptEither_sourceCancelled3() {
2130 >        for (ExecutionMode m : ExecutionMode.values())
2131 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2132 >        for (Integer v1 : new Integer[] { 1, null })
2133 >    {
2134 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2135 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2136 >        final IncAction r = new IncAction();
2137 >
2138 >        assertTrue(g.cancel(mayInterruptIfRunning));
2139 >        f.complete(v1);
2140 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2141  
2142 <    /**
2143 <     * runAfterBothAsync result completes normally after normal
2144 <     * completion of sources
2145 <     */
2146 <    public void testRunAfterBothAsyncE() {
2147 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2148 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2149 <        Noop r = new Noop();
2150 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2151 <        f.complete(one);
2011 <        checkIncomplete(g);
2012 <        f2.complete(two);
2013 <        checkCompletedNormally(g, null);
2014 <        assertTrue(r.ran);
2015 <    }
2142 >        // unspecified behavior
2143 >        Integer v;
2144 >        try {
2145 >            assertNull(h.join());
2146 >            assertEquals(1, r.invocationCount);
2147 >            assertEquals(inc(v1), r.value);
2148 >        } catch (CompletionException ok) {
2149 >            checkCompletedWithWrappedCancellationException(h);
2150 >            assertEquals(0, r.invocationCount);
2151 >        }
2152  
2153 <    /**
2154 <     * runAfterBothAsync result completes exceptionally after exceptional
2155 <     * completion of source
2156 <     */
2157 <    public void testRunAfterBothAsync2E() {
2158 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2159 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2160 <        Noop r = new Noop();
2161 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2162 <        f.completeExceptionally(new CFException());
2163 <        f2.complete(two);
2164 <        checkCompletedWithWrappedCFException(g);
2153 >        checkCancelled(g);
2154 >        checkCompletedNormally(f, v1);
2155 >    }}
2156 >
2157 >    public void testAcceptEither_sourceCancelled4() {
2158 >        for (ExecutionMode m : ExecutionMode.values())
2159 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2160 >        for (Integer v1 : new Integer[] { 1, null })
2161 >    {
2162 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2163 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2164 >        final IncAction r = new IncAction();
2165 >
2166 >        assertTrue(f.cancel(mayInterruptIfRunning));
2167 >        g.complete(v1);
2168 >        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2169  
2170 <        r = new Noop();
2171 <        f = new CompletableFuture<Integer>();
2172 <        f2 = new CompletableFuture<Integer>();
2173 <        g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2174 <        f.complete(one);
2175 <        f2.completeExceptionally(new CFException());
2176 <        checkCompletedWithWrappedCFException(g);
2177 <    }
2170 >        // unspecified behavior
2171 >        Integer v;
2172 >        try {
2173 >            assertNull(h.join());
2174 >            assertEquals(1, r.invocationCount);
2175 >            assertEquals(inc(v1), r.value);
2176 >        } catch (CompletionException ok) {
2177 >            checkCompletedWithWrappedCancellationException(h);
2178 >            assertEquals(0, r.invocationCount);
2179 >        }
2180  
2181 <    /**
2182 <     * runAfterBothAsync result completes exceptionally if action does
2183 <     */
2042 <    public void testRunAfterBothAsync3E() {
2043 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2044 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2045 <        FailingNoop r = new FailingNoop();
2046 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2047 <        f.complete(one);
2048 <        checkIncomplete(g);
2049 <        f2.complete(two);
2050 <        checkCompletedWithWrappedCFException(g);
2051 <    }
2181 >        checkCancelled(f);
2182 >        checkCompletedNormally(g, v1);
2183 >    }}
2184  
2185      /**
2186 <     * runAfterBothAsync result completes exceptionally if either source cancelled
2186 >     * runAfterEither result completes normally after normal completion
2187 >     * of either source
2188       */
2189 <    public void testRunAfterBothAsync4E() {
2190 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2191 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2192 <        Noop r = new Noop();
2193 <        CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2194 <        assertTrue(f.cancel(true));
2195 <        f2.complete(two);
2196 <        checkCompletedWithWrappedCancellationException(g);
2197 <
2198 <        r = new Noop();
2199 <        f = new CompletableFuture<Integer>();
2200 <        f2 = new CompletableFuture<Integer>();
2201 <        g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2202 <        f.complete(one);
2203 <        assertTrue(f2.cancel(true));
2204 <        checkCompletedWithWrappedCancellationException(g);
2205 <    }
2189 >    public void testRunAfterEither_normalCompletion1() {
2190 >        for (ExecutionMode m : ExecutionMode.values())
2191 >        for (Integer v1 : new Integer[] { 1, null })
2192 >        for (Integer v2 : new Integer[] { 2, null })
2193 >    {
2194 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2195 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2196 >        final Noop r = new Noop(m);
2197 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2198 >
2199 >        f.complete(v1);
2200 >        checkCompletedNormally(h, null);
2201 >        assertEquals(1, r.invocationCount);
2202 >        g.complete(v2);
2203 >
2204 >        checkCompletedNormally(f, v1);
2205 >        checkCompletedNormally(g, v2);
2206 >        checkCompletedNormally(h, null);
2207 >        assertEquals(1, r.invocationCount);
2208 >    }}
2209 >
2210 >    public void testRunAfterEither_normalCompletion2() {
2211 >        for (ExecutionMode m : ExecutionMode.values())
2212 >        for (Integer v1 : new Integer[] { 1, null })
2213 >        for (Integer v2 : new Integer[] { 2, null })
2214 >    {
2215 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2216 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2217 >        final Noop r = new Noop(m);
2218 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2219 >
2220 >        g.complete(v2);
2221 >        checkCompletedNormally(h, null);
2222 >        assertEquals(1, r.invocationCount);
2223 >        f.complete(v1);
2224 >
2225 >        checkCompletedNormally(f, v1);
2226 >        checkCompletedNormally(g, v2);
2227 >        checkCompletedNormally(h, null);
2228 >        assertEquals(1, r.invocationCount);
2229 >        }}
2230 >
2231 >    public void testRunAfterEither_normalCompletion3() {
2232 >        for (ExecutionMode m : ExecutionMode.values())
2233 >        for (Integer v1 : new Integer[] { 1, null })
2234 >        for (Integer v2 : new Integer[] { 2, null })
2235 >    {
2236 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2237 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2238 >        final Noop r = new Noop(m);
2239 >
2240 >        f.complete(v1);
2241 >        g.complete(v2);
2242 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2243 >
2244 >        checkCompletedNormally(h, null);
2245 >        checkCompletedNormally(f, v1);
2246 >        checkCompletedNormally(g, v2);
2247 >        assertEquals(1, r.invocationCount);
2248 >    }}
2249  
2250      /**
2251 <     * applyToEitherAsync result completes normally after normal
2252 <     * completion of sources
2251 >     * runAfterEither result completes exceptionally after exceptional
2252 >     * completion of either source
2253       */
2254 <    public void testApplyToEitherAsyncE() {
2255 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2256 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2257 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2258 <        f.complete(one);
2259 <        checkCompletedNormally(g, two);
2254 >    public void testRunAfterEither_exceptionalCompletion1() {
2255 >        for (ExecutionMode m : ExecutionMode.values())
2256 >        for (Integer v1 : new Integer[] { 1, null })
2257 >    {
2258 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2259 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2260 >        final Noop r = new Noop(m);
2261 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2262 >        final CFException ex = new CFException();
2263 >
2264 >        f.completeExceptionally(ex);
2265 >        checkCompletedWithWrappedCFException(h, ex);
2266 >        g.complete(v1);
2267 >
2268 >        assertEquals(0, r.invocationCount);
2269 >        checkCompletedNormally(g, v1);
2270 >        checkCompletedWithWrappedCFException(f, ex);
2271 >        checkCompletedWithWrappedCFException(h, ex);
2272 >    }}
2273 >
2274 >    public void testRunAfterEither_exceptionalCompletion2() {
2275 >        for (ExecutionMode m : ExecutionMode.values())
2276 >        for (Integer v1 : new Integer[] { 1, null })
2277 >    {
2278 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2279 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2280 >        final Noop r = new Noop(m);
2281 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2282 >        final CFException ex = new CFException();
2283 >
2284 >        g.completeExceptionally(ex);
2285 >        checkCompletedWithWrappedCFException(h, ex);
2286 >        f.complete(v1);
2287 >
2288 >        assertEquals(0, r.invocationCount);
2289 >        checkCompletedNormally(f, v1);
2290 >        checkCompletedWithWrappedCFException(g, ex);
2291 >        checkCompletedWithWrappedCFException(h, ex);
2292 >    }}
2293 >
2294 >    public void testRunAfterEither_exceptionalCompletion3() {
2295 >        for (ExecutionMode m : ExecutionMode.values())
2296 >        for (Integer v1 : new Integer[] { 1, null })
2297 >    {
2298 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2299 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2300 >        final Noop r = new Noop(m);
2301 >        final CFException ex = new CFException();
2302 >
2303 >        g.completeExceptionally(ex);
2304 >        f.complete(v1);
2305 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2306  
2307 <        f = new CompletableFuture<Integer>();
2308 <        f.complete(one);
2309 <        f2 = new CompletableFuture<Integer>();
2310 <        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2311 <        checkCompletedNormally(g, two);
2312 <    }
2307 >        // unspecified behavior
2308 >        Integer v;
2309 >        try {
2310 >            assertNull(h.join());
2311 >            assertEquals(1, r.invocationCount);
2312 >        } catch (CompletionException ok) {
2313 >            checkCompletedWithWrappedCFException(h, ex);
2314 >            assertEquals(0, r.invocationCount);
2315 >        }
2316  
2317 <    /**
2318 <     * applyToEitherAsync result completes exceptionally after exceptional
2319 <     * completion of source
2320 <     */
2321 <    public void testApplyToEitherAsync2E() {
2322 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2323 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2324 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2325 <        f.completeExceptionally(new CFException());
2326 <        checkCompletedWithWrappedCFException(g);
2317 >        checkCompletedWithWrappedCFException(g, ex);
2318 >        checkCompletedNormally(f, v1);
2319 >    }}
2320 >
2321 >    public void testRunAfterEither_exceptionalCompletion4() {
2322 >        for (ExecutionMode m : ExecutionMode.values())
2323 >        for (Integer v1 : new Integer[] { 1, null })
2324 >    {
2325 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2326 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2327 >        final Noop r = new Noop(m);
2328 >        final CFException ex = new CFException();
2329 >
2330 >        f.completeExceptionally(ex);
2331 >        g.complete(v1);
2332 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2333  
2334 <        f = new CompletableFuture<Integer>();
2335 <        f2 = new CompletableFuture<Integer>();
2336 <        f2.completeExceptionally(new CFException());
2337 <        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2338 <        f.complete(one);
2339 <        checkCompletedWithWrappedCFException(g);
2340 <    }
2334 >        // unspecified behavior
2335 >        Integer v;
2336 >        try {
2337 >            assertNull(h.join());
2338 >            assertEquals(1, r.invocationCount);
2339 >        } catch (CompletionException ok) {
2340 >            checkCompletedWithWrappedCFException(h, ex);
2341 >            assertEquals(0, r.invocationCount);
2342 >        }
2343  
2344 <    /**
2345 <     * applyToEitherAsync result completes exceptionally if action does
2346 <     */
2114 <    public void testApplyToEitherAsync3E() {
2115 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2116 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2117 <        FailingFunction r = new FailingFunction();
2118 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2119 <        f.complete(one);
2120 <        checkCompletedWithWrappedCFException(g);
2121 <    }
2344 >        checkCompletedWithWrappedCFException(f, ex);
2345 >        checkCompletedNormally(g, v1);
2346 >    }}
2347  
2348      /**
2349 <     * applyToEitherAsync result completes exceptionally if either source cancelled
2349 >     * runAfterEither result completes exceptionally if action does
2350       */
2351 <    public void testApplyToEitherAsync4E() {
2352 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2353 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2354 <        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2355 <        assertTrue(f.cancel(true));
2356 <        checkCompletedWithWrappedCancellationException(g);
2357 <
2358 <        f = new CompletableFuture<Integer>();
2359 <        f2 = new CompletableFuture<Integer>();
2360 <        assertTrue(f2.cancel(true));
2361 <        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2362 <        checkCompletedWithWrappedCancellationException(g);
2363 <    }
2351 >    public void testRunAfterEither_actionFailed1() {
2352 >        for (ExecutionMode m : ExecutionMode.values())
2353 >        for (Integer v1 : new Integer[] { 1, null })
2354 >        for (Integer v2 : new Integer[] { 2, null })
2355 >    {
2356 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2357 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2358 >        final FailingRunnable r = new FailingRunnable(m);
2359 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2360 >
2361 >        f.complete(v1);
2362 >        checkCompletedWithWrappedCFException(h);
2363 >        g.complete(v2);
2364 >        checkCompletedNormally(f, v1);
2365 >        checkCompletedNormally(g, v2);
2366 >    }}
2367 >
2368 >    public void testRunAfterEither_actionFailed2() {
2369 >        for (ExecutionMode m : ExecutionMode.values())
2370 >        for (Integer v1 : new Integer[] { 1, null })
2371 >        for (Integer v2 : new Integer[] { 2, null })
2372 >    {
2373 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2374 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2375 >        final FailingRunnable r = new FailingRunnable(m);
2376 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2377 >
2378 >        g.complete(v2);
2379 >        checkCompletedWithWrappedCFException(h);
2380 >        f.complete(v1);
2381 >        checkCompletedNormally(f, v1);
2382 >        checkCompletedNormally(g, v2);
2383 >    }}
2384  
2385      /**
2386 <     * acceptEitherAsync result completes normally after normal
2142 <     * completion of sources
2386 >     * runAfterEither result completes exceptionally if either source cancelled
2387       */
2388 <    public void testAcceptEitherAsyncE() {
2389 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2390 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2391 <        IncAction r = new IncAction();
2392 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2393 <        f.complete(one);
2394 <        checkCompletedNormally(g, null);
2395 <        assertEquals(r.value, 2);
2396 <
2397 <        r = new IncAction();
2398 <        f = new CompletableFuture<Integer>();
2399 <        f.complete(one);
2400 <        f2 = new CompletableFuture<Integer>();
2157 <        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2158 <        checkCompletedNormally(g, null);
2159 <        assertEquals(r.value, 2);
2160 <    }
2388 >    public void testRunAfterEither_sourceCancelled1() {
2389 >        for (ExecutionMode m : ExecutionMode.values())
2390 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2391 >        for (Integer v1 : new Integer[] { 1, null })
2392 >    {
2393 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2394 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2395 >        final Noop r = new Noop(m);
2396 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2397 >
2398 >        assertTrue(f.cancel(mayInterruptIfRunning));
2399 >        checkCompletedWithWrappedCancellationException(h);
2400 >        g.complete(v1);
2401  
2402 <    /**
2403 <     * acceptEitherAsync result completes exceptionally after exceptional
2404 <     * completion of source
2405 <     */
2406 <    public void testAcceptEitherAsync2E() {
2407 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2408 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2409 <        IncAction r = new IncAction();
2410 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2411 <        f.completeExceptionally(new CFException());
2412 <        checkCompletedWithWrappedCFException(g);
2402 >        checkCancelled(f);
2403 >        assertEquals(0, r.invocationCount);
2404 >        checkCompletedNormally(g, v1);
2405 >        checkCompletedWithWrappedCancellationException(h);
2406 >    }}
2407 >
2408 >    public void testRunAfterEither_sourceCancelled2() {
2409 >        for (ExecutionMode m : ExecutionMode.values())
2410 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2411 >        for (Integer v1 : new Integer[] { 1, null })
2412 >    {
2413 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2414 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2415 >        final Noop r = new Noop(m);
2416 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2417 >
2418 >        assertTrue(g.cancel(mayInterruptIfRunning));
2419 >        checkCompletedWithWrappedCancellationException(h);
2420 >        f.complete(v1);
2421 >
2422 >        checkCancelled(g);
2423 >        assertEquals(0, r.invocationCount);
2424 >        checkCompletedNormally(f, v1);
2425 >        checkCompletedWithWrappedCancellationException(h);
2426 >    }}
2427 >
2428 >    public void testRunAfterEither_sourceCancelled3() {
2429 >        for (ExecutionMode m : ExecutionMode.values())
2430 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2431 >        for (Integer v1 : new Integer[] { 1, null })
2432 >    {
2433 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2434 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2435 >        final Noop r = new Noop(m);
2436 >
2437 >        assertTrue(g.cancel(mayInterruptIfRunning));
2438 >        f.complete(v1);
2439 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2440  
2441 <        r = new IncAction();
2442 <        f = new CompletableFuture<Integer>();
2443 <        f2 = new CompletableFuture<Integer>();
2444 <        f2.completeExceptionally(new CFException());
2445 <        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2446 <        f.complete(one);
2447 <        checkCompletedWithWrappedCFException(g);
2448 <    }
2441 >        // unspecified behavior
2442 >        Integer v;
2443 >        try {
2444 >            assertNull(h.join());
2445 >            assertEquals(1, r.invocationCount);
2446 >        } catch (CompletionException ok) {
2447 >            checkCompletedWithWrappedCancellationException(h);
2448 >            assertEquals(0, r.invocationCount);
2449 >        }
2450  
2451 <    /**
2452 <     * acceptEitherAsync result completes exceptionally if action does
2453 <     */
2454 <    public void testAcceptEitherAsync3E() {
2455 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2456 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2457 <        FailingConsumer r = new FailingConsumer();
2458 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2459 <        f.complete(one);
2460 <        checkCompletedWithWrappedCFException(g);
2461 <    }
2451 >        checkCancelled(g);
2452 >        checkCompletedNormally(f, v1);
2453 >    }}
2454 >
2455 >    public void testRunAfterEither_sourceCancelled4() {
2456 >        for (ExecutionMode m : ExecutionMode.values())
2457 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2458 >        for (Integer v1 : new Integer[] { 1, null })
2459 >    {
2460 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2461 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2462 >        final Noop r = new Noop(m);
2463 >
2464 >        assertTrue(f.cancel(mayInterruptIfRunning));
2465 >        g.complete(v1);
2466 >        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2467  
2468 <    /**
2469 <     * acceptEitherAsync result completes exceptionally if either
2470 <     * source cancelled
2471 <     */
2472 <    public void testAcceptEitherAsync4E() {
2473 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2474 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2475 <        IncAction r = new IncAction();
2476 <        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2204 <        assertTrue(f.cancel(true));
2205 <        checkCompletedWithWrappedCancellationException(g);
2468 >        // unspecified behavior
2469 >        Integer v;
2470 >        try {
2471 >            assertNull(h.join());
2472 >            assertEquals(1, r.invocationCount);
2473 >        } catch (CompletionException ok) {
2474 >            checkCompletedWithWrappedCancellationException(h);
2475 >            assertEquals(0, r.invocationCount);
2476 >        }
2477  
2478 <        r = new IncAction();
2479 <        f = new CompletableFuture<Integer>();
2480 <        f2 = new CompletableFuture<Integer>();
2210 <        assertTrue(f2.cancel(true));
2211 <        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2212 <        checkCompletedWithWrappedCancellationException(g);
2213 <    }
2478 >        checkCancelled(f);
2479 >        checkCompletedNormally(g, v1);
2480 >    }}
2481  
2482      /**
2483 <     * runAfterEitherAsync result completes normally after normal
2217 <     * completion of sources
2483 >     * thenCompose result completes normally after normal completion of source
2484       */
2485 <    public void testRunAfterEitherAsyncE() {
2486 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2487 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2488 <        Noop r = new Noop();
2489 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2490 <        f.complete(one);
2491 <        checkCompletedNormally(g, null);
2492 <        assertTrue(r.ran);
2493 <
2494 <        r = new Noop();
2495 <        f = new CompletableFuture<Integer>();
2496 <        f.complete(one);
2497 <        f2 = new CompletableFuture<Integer>();
2498 <        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2499 <        checkCompletedNormally(g, null);
2234 <        assertTrue(r.ran);
2235 <    }
2485 >    public void testThenCompose_normalCompletion() {
2486 >        for (ExecutionMode m : ExecutionMode.values())
2487 >        for (boolean createIncomplete : new boolean[] { true, false })
2488 >        for (Integer v1 : new Integer[] { 1, null })
2489 >    {
2490 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2491 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2492 >        if (!createIncomplete) f.complete(v1);
2493 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2494 >        if (createIncomplete) f.complete(v1);
2495 >
2496 >        checkCompletedNormally(g, inc(v1));
2497 >        checkCompletedNormally(f, v1);
2498 >        assertEquals(1, r.invocationCount);
2499 >    }}
2500  
2501      /**
2502 <     * runAfterEitherAsync result completes exceptionally after exceptional
2502 >     * thenCompose result completes exceptionally after exceptional
2503       * completion of source
2504       */
2505 <    public void testRunAfterEitherAsync2E() {
2506 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2507 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2508 <        Noop r = new Noop();
2509 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2510 <        f.completeExceptionally(new CFException());
2511 <        checkCompletedWithWrappedCFException(g);
2512 <
2513 <        r = new Noop();
2514 <        f = new CompletableFuture<Integer>();
2515 <        f2 = new CompletableFuture<Integer>();
2516 <        f2.completeExceptionally(new CFException());
2517 <        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2518 <        f.complete(one);
2519 <        checkCompletedWithWrappedCFException(g);
2256 <    }
2257 <
2258 <    /**
2259 <     * runAfterEitherAsync result completes exceptionally if action does
2260 <     */
2261 <    public void testRunAfterEitherAsync3E() {
2262 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2263 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2264 <        FailingNoop r = new FailingNoop();
2265 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2266 <        f.complete(one);
2267 <        checkCompletedWithWrappedCFException(g);
2268 <    }
2505 >    public void testThenCompose_exceptionalCompletion() {
2506 >        for (ExecutionMode m : ExecutionMode.values())
2507 >        for (boolean createIncomplete : new boolean[] { true, false })
2508 >    {
2509 >        final CFException ex = new CFException();
2510 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2511 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2512 >        if (!createIncomplete) f.completeExceptionally(ex);
2513 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2514 >        if (createIncomplete) f.completeExceptionally(ex);
2515 >
2516 >        checkCompletedWithWrappedCFException(g, ex);
2517 >        checkCompletedWithWrappedCFException(f, ex);
2518 >        assertEquals(0, r.invocationCount);
2519 >    }}
2520  
2521      /**
2522 <     * runAfterEitherAsync result completes exceptionally if either
2272 <     * source cancelled
2273 <     */
2274 <    public void testRunAfterEitherAsync4E() {
2275 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2276 <        CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2277 <        Noop r = new Noop();
2278 <        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2279 <        assertTrue(f.cancel(true));
2280 <        checkCompletedWithWrappedCancellationException(g);
2281 <
2282 <        r = new Noop();
2283 <        f = new CompletableFuture<Integer>();
2284 <        f2 = new CompletableFuture<Integer>();
2285 <        assertTrue(f2.cancel(true));
2286 <        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2287 <        checkCompletedWithWrappedCancellationException(g);
2288 <    }
2289 <
2290 <    /**
2291 <     * thenComposeAsync result completes normally after normal
2292 <     * completion of source
2522 >     * thenCompose result completes exceptionally if action does
2523       */
2524 <    public void testThenComposeAsyncE() {
2525 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2526 <        CompletableFutureInc r = new CompletableFutureInc();
2527 <        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2528 <        f.complete(one);
2529 <        checkCompletedNormally(g, two);
2530 <    }
2524 >    public void testThenCompose_actionFailed() {
2525 >        for (ExecutionMode m : ExecutionMode.values())
2526 >        for (boolean createIncomplete : new boolean[] { true, false })
2527 >        for (Integer v1 : new Integer[] { 1, null })
2528 >    {
2529 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2530 >        final FailingCompletableFutureFunction r
2531 >            = new FailingCompletableFutureFunction(m);
2532 >        if (!createIncomplete) f.complete(v1);
2533 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2534 >        if (createIncomplete) f.complete(v1);
2535  
2302    /**
2303     * thenComposeAsync result completes exceptionally after
2304     * exceptional completion of source
2305     */
2306    public void testThenComposeAsync2E() {
2307        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2308        CompletableFutureInc r = new CompletableFutureInc();
2309        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2310        f.completeExceptionally(new CFException());
2536          checkCompletedWithWrappedCFException(g);
2537 <    }
2537 >        checkCompletedNormally(f, v1);
2538 >    }}
2539  
2540      /**
2541 <     * thenComposeAsync result completes exceptionally if action does
2541 >     * thenCompose result completes exceptionally if source cancelled
2542       */
2543 <    public void testThenComposeAsync3E() {
2544 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2545 <        FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2546 <        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2547 <        f.complete(one);
2548 <        checkCompletedWithWrappedCFException(g);
2549 <    }
2543 >    public void testThenCompose_sourceCancelled() {
2544 >        for (ExecutionMode m : ExecutionMode.values())
2545 >        for (boolean createIncomplete : new boolean[] { true, false })
2546 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2547 >    {
2548 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2549 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2550 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2551 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2552 >        if (createIncomplete) {
2553 >            checkIncomplete(g);
2554 >            assertTrue(f.cancel(mayInterruptIfRunning));
2555 >        }
2556  
2325    /**
2326     * thenComposeAsync result completes exceptionally if source cancelled
2327     */
2328    public void testThenComposeAsync4E() {
2329        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2330        CompletableFutureInc r = new CompletableFutureInc();
2331        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2332        assertTrue(f.cancel(true));
2557          checkCompletedWithWrappedCancellationException(g);
2558 <    }
2558 >        checkCancelled(f);
2559 >    }}
2560  
2561      // other static methods
2562  
# Line 2340 | Line 2565 | public class CompletableFutureTest exten
2565       * with the value null
2566       */
2567      public void testAllOf_empty() throws Exception {
2568 <        CompletableFuture<?> f = CompletableFuture.allOf();
2568 >        CompletableFuture<Void> f = CompletableFuture.allOf();
2569          checkCompletedNormally(f, null);
2570      }
2571  
2572      /**
2573 <     * allOf returns a future completed when all components complete
2573 >     * allOf returns a future completed normally with the value null
2574 >     * when all components complete normally
2575       */
2576 <    public void testAllOf() throws Exception {
2576 >    public void testAllOf_normal() throws Exception {
2577          for (int k = 1; k < 20; ++k) {
2578 <            CompletableFuture[] fs = new CompletableFuture[k];
2578 >            CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
2579              for (int i = 0; i < k; ++i)
2580 <                fs[i] = new CompletableFuture<Integer>();
2580 >                fs[i] = new CompletableFuture<>();
2581              CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2582              for (int i = 0; i < k; ++i) {
2583                  checkIncomplete(f);
2584 +                checkIncomplete(CompletableFuture.allOf(fs));
2585                  fs[i].complete(one);
2586              }
2587              checkCompletedNormally(f, null);
2588 +            checkCompletedNormally(CompletableFuture.allOf(fs), null);
2589          }
2590      }
2591  
# Line 2365 | Line 2593 | public class CompletableFutureTest exten
2593       * anyOf(no component futures) returns an incomplete future
2594       */
2595      public void testAnyOf_empty() throws Exception {
2596 <        CompletableFuture<?> f = CompletableFuture.anyOf();
2596 >        CompletableFuture<Object> f = CompletableFuture.anyOf();
2597          checkIncomplete(f);
2598      }
2599  
2600      /**
2601 <     * allOf returns a future completed when any components complete
2601 >     * anyOf returns a future completed normally with a value when
2602 >     * a component future does
2603       */
2604 <    public void testAnyOf() throws Exception {
2605 <        for (int k = 1; k < 20; ++k) {
2604 >    public void testAnyOf_normal() throws Exception {
2605 >        for (int k = 0; k < 10; ++k) {
2606              CompletableFuture[] fs = new CompletableFuture[k];
2607              for (int i = 0; i < k; ++i)
2608 <                fs[i] = new CompletableFuture<Integer>();
2608 >                fs[i] = new CompletableFuture<>();
2609              CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2610              checkIncomplete(f);
2611              for (int i = 0; i < k; ++i) {
2612                  fs[i].complete(one);
2613                  checkCompletedNormally(f, one);
2614 +                checkCompletedNormally(CompletableFuture.anyOf(fs), one);
2615 +            }
2616 +        }
2617 +    }
2618 +
2619 +    /**
2620 +     * anyOf result completes exceptionally when any component does.
2621 +     */
2622 +    public void testAnyOf_exceptional() throws Exception {
2623 +        for (int k = 0; k < 10; ++k) {
2624 +            CompletableFuture[] fs = new CompletableFuture[k];
2625 +            for (int i = 0; i < k; ++i)
2626 +                fs[i] = new CompletableFuture<>();
2627 +            CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2628 +            checkIncomplete(f);
2629 +            for (int i = 0; i < k; ++i) {
2630 +                fs[i].completeExceptionally(new CFException());
2631 +                checkCompletedWithWrappedCFException(f);
2632 +                checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
2633              }
2634          }
2635      }
# Line 2390 | Line 2638 | public class CompletableFutureTest exten
2638       * Completion methods throw NullPointerException with null arguments
2639       */
2640      public void testNPE() {
2641 <        CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2642 <        CompletableFuture<Integer> g = new CompletableFuture<Integer>();
2643 <        CompletableFuture h;
2644 <        try { h = f.thenApply(null); } catch (NullPointerException ok) {}
2645 <        try { h = f.thenAccept(null); } catch (NullPointerException ok) {}
2646 <        try { h = f.thenRun(null); } catch (NullPointerException ok) {}
2647 <        try { h = f.thenCombine(g, null); } catch (NullPointerException ok) {}
2648 <        try { h = f.thenCombine(null, null); } catch (NullPointerException ok) {}
2649 <        try { h = f.applyToEither(g, null); } catch (NullPointerException ok) {}
2650 <        try { h = f.applyToEither(null, null); } catch (NullPointerException ok) {}
2651 <        try { h = f.thenAcceptBoth(g, null); } catch (NullPointerException ok) {}
2652 <        try { h = f.thenAcceptBoth(null, null); } catch (NullPointerException ok) {}
2653 <        try { h = f.runAfterEither(g, null); } catch (NullPointerException ok) {}
2654 <        try { h = f.runAfterEither(null, null); } catch (NullPointerException ok) {}
2655 <        try { h = f.runAfterBoth(g, null); } catch (NullPointerException ok) {}
2656 <        try { h = f.runAfterBoth(null, null); } catch (NullPointerException ok) {}
2657 <        try { h = f.exceptionally(null); } catch (NullPointerException ok) {}
2658 <        try { h = f.handle(null); } catch (NullPointerException ok) {}
2659 <        try { h = f.thenCompose(null); } catch (NullPointerException ok) {}
2660 <
2661 <        try { h = f.thenApplyAsync(null); } catch (NullPointerException ok) {}
2662 <        try { h = f.thenAcceptAsync(null); } catch (NullPointerException ok) {}
2663 <        try { h = f.thenRunAsync(null); } catch (NullPointerException ok) {}
2664 <        try { h = f.thenCombineAsync(g, null); } catch (NullPointerException ok) {}
2665 <        try { h = f.thenCombineAsync(null, null); } catch (NullPointerException ok) {}
2666 <        try { h = f.applyToEitherAsync(g, null); } catch (NullPointerException ok) {}
2667 <        try { h = f.applyToEitherAsync(null, null); } catch (NullPointerException ok) {}
2668 <        try { h = f.thenAcceptBothAsync(g, null); } catch (NullPointerException ok) {}
2669 <        try { h = f.thenAcceptBothAsync(null, null); } catch (NullPointerException ok) {}
2670 <        try { h = f.runAfterEitherAsync(g, null); } catch (NullPointerException ok) {}
2671 <        try { h = f.runAfterEitherAsync(null, null); } catch (NullPointerException ok) {}
2672 <        try { h = f.runAfterBothAsync(g, null); } catch (NullPointerException ok) {}
2673 <        try { h = f.runAfterBothAsync(null, null); } catch (NullPointerException ok) {}
2641 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2642 >        CompletableFuture<Integer> g = new CompletableFuture<>();
2643 >        CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2644 >        CompletableFuture<?> h;
2645 >        ThreadExecutor exec = new ThreadExecutor();
2646 >
2647 >        Runnable[] throwingActions = {
2648 >            () -> CompletableFuture.supplyAsync(null),
2649 >            () -> CompletableFuture.supplyAsync(null, exec),
2650 >            () -> CompletableFuture.supplyAsync(supplyOne, null),
2651 >
2652 >            () -> CompletableFuture.runAsync(null),
2653 >            () -> CompletableFuture.runAsync(null, exec),
2654 >            () -> CompletableFuture.runAsync(() -> {}, null),
2655 >
2656 >            () -> f.completeExceptionally(null),
2657 >
2658 >            () -> f.thenApply(null),
2659 >            () -> f.thenApplyAsync(null),
2660 >            () -> f.thenApplyAsync((x) -> x, null),
2661 >            () -> f.thenApplyAsync(null, exec),
2662 >
2663 >            () -> f.thenAccept(null),
2664 >            () -> f.thenAcceptAsync(null),
2665 >            () -> f.thenAcceptAsync((x) -> {} , null),
2666 >            () -> f.thenAcceptAsync(null, exec),
2667 >
2668 >            () -> f.thenRun(null),
2669 >            () -> f.thenRunAsync(null),
2670 >            () -> f.thenRunAsync(() -> {} , null),
2671 >            () -> f.thenRunAsync(null, exec),
2672 >
2673 >            () -> f.thenCombine(g, null),
2674 >            () -> f.thenCombineAsync(g, null),
2675 >            () -> f.thenCombineAsync(g, null, exec),
2676 >            () -> f.thenCombine(nullFuture, (x, y) -> x),
2677 >            () -> f.thenCombineAsync(nullFuture, (x, y) -> x),
2678 >            () -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
2679 >            () -> f.thenCombineAsync(g, (x, y) -> x, null),
2680 >
2681 >            () -> f.thenAcceptBoth(g, null),
2682 >            () -> f.thenAcceptBothAsync(g, null),
2683 >            () -> f.thenAcceptBothAsync(g, null, exec),
2684 >            () -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
2685 >            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
2686 >            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
2687 >            () -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
2688 >
2689 >            () -> f.runAfterBoth(g, null),
2690 >            () -> f.runAfterBothAsync(g, null),
2691 >            () -> f.runAfterBothAsync(g, null, exec),
2692 >            () -> f.runAfterBoth(nullFuture, () -> {}),
2693 >            () -> f.runAfterBothAsync(nullFuture, () -> {}),
2694 >            () -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
2695 >            () -> f.runAfterBothAsync(g, () -> {}, null),
2696 >
2697 >            () -> f.applyToEither(g, null),
2698 >            () -> f.applyToEitherAsync(g, null),
2699 >            () -> f.applyToEitherAsync(g, null, exec),
2700 >            () -> f.applyToEither(nullFuture, (x) -> x),
2701 >            () -> f.applyToEitherAsync(nullFuture, (x) -> x),
2702 >            () -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
2703 >            () -> f.applyToEitherAsync(g, (x) -> x, null),
2704 >
2705 >            () -> f.acceptEither(g, null),
2706 >            () -> f.acceptEitherAsync(g, null),
2707 >            () -> f.acceptEitherAsync(g, null, exec),
2708 >            () -> f.acceptEither(nullFuture, (x) -> {}),
2709 >            () -> f.acceptEitherAsync(nullFuture, (x) -> {}),
2710 >            () -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
2711 >            () -> f.acceptEitherAsync(g, (x) -> {}, null),
2712 >
2713 >            () -> f.runAfterEither(g, null),
2714 >            () -> f.runAfterEitherAsync(g, null),
2715 >            () -> f.runAfterEitherAsync(g, null, exec),
2716 >            () -> f.runAfterEither(nullFuture, () -> {}),
2717 >            () -> f.runAfterEitherAsync(nullFuture, () -> {}),
2718 >            () -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
2719 >            () -> f.runAfterEitherAsync(g, () -> {}, null),
2720 >
2721 >            () -> f.thenCompose(null),
2722 >            () -> f.thenComposeAsync(null),
2723 >            () -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
2724 >            () -> f.thenComposeAsync(null, exec),
2725 >
2726 >            () -> f.exceptionally(null),
2727 >
2728 >            () -> f.handle(null),
2729 >
2730 >            () -> CompletableFuture.allOf((CompletableFuture<?>)null),
2731 >            () -> CompletableFuture.allOf((CompletableFuture<?>[])null),
2732 >            () -> CompletableFuture.allOf(f, null),
2733 >            () -> CompletableFuture.allOf(null, f),
2734 >
2735 >            () -> CompletableFuture.anyOf((CompletableFuture<?>)null),
2736 >            () -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
2737 >            () -> CompletableFuture.anyOf(f, null),
2738 >            () -> CompletableFuture.anyOf(null, f),
2739 >
2740 >            () -> f.obtrudeException(null),
2741 >        };
2742 >
2743 >        assertThrows(NullPointerException.class, throwingActions);
2744 >        assertEquals(0, exec.count.get());
2745 >    }
2746 >
2747 >    /**
2748 >     * toCompletableFuture returns this CompletableFuture.
2749 >     */
2750 >    public void testToCompletableFuture() {
2751 >        CompletableFuture<Integer> f = new CompletableFuture<>();
2752 >        assertSame(f, f.toCompletableFuture());
2753 >    }
2754 >
2755 >    /**
2756 >     * whenComplete action executes on normal completion, propagating
2757 >     * source result.
2758 >     */
2759 >    public void testWhenComplete_normalCompletion1() {
2760 >        for (ExecutionMode m : ExecutionMode.values())
2761 >        for (boolean createIncomplete : new boolean[] { true, false })
2762 >        for (Integer v1 : new Integer[] { 1, null })
2763 >    {
2764 >        final AtomicInteger a = new AtomicInteger(0);
2765 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2766 >        if (!createIncomplete) f.complete(v1);
2767 >        final CompletableFuture<Integer> g = m.whenComplete
2768 >            (f,
2769 >             (Integer x, Throwable t) -> {
2770 >                threadAssertSame(x, v1);
2771 >                threadAssertNull(t);
2772 >                a.getAndIncrement();
2773 >            });
2774 >        if (createIncomplete) f.complete(v1);
2775 >
2776 >        checkCompletedNormally(g, v1);
2777 >        checkCompletedNormally(f, v1);
2778 >        assertEquals(1, a.get());
2779 >    }}
2780 >
2781 >    /**
2782 >     * whenComplete action executes on exceptional completion, propagating
2783 >     * source result.
2784 >     */
2785 >    public void testWhenComplete_exceptionalCompletion() {
2786 >        for (ExecutionMode m : ExecutionMode.values())
2787 >        for (boolean createIncomplete : new boolean[] { true, false })
2788 >        for (Integer v1 : new Integer[] { 1, null })
2789 >    {
2790 >        final AtomicInteger a = new AtomicInteger(0);
2791 >        final CFException ex = new CFException();
2792 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2793 >        if (!createIncomplete) f.completeExceptionally(ex);
2794 >        final CompletableFuture<Integer> g = m.whenComplete
2795 >            (f,
2796 >             (Integer x, Throwable t) -> {
2797 >                threadAssertNull(x);
2798 >                threadAssertSame(t, ex);
2799 >                a.getAndIncrement();
2800 >            });
2801 >        if (createIncomplete) f.completeExceptionally(ex);
2802 >        checkCompletedWithWrappedCFException(f, ex);
2803 >        checkCompletedWithWrappedCFException(g, ex);
2804 >        assertEquals(1, a.get());
2805 >    }}
2806 >
2807 >    /**
2808 >     * whenComplete action executes on cancelled source, propagating
2809 >     * CancellationException.
2810 >     */
2811 >    public void testWhenComplete_sourceCancelled() {
2812 >        for (ExecutionMode m : ExecutionMode.values())
2813 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2814 >        for (boolean createIncomplete : new boolean[] { true, false })
2815 >    {
2816 >        final AtomicInteger a = new AtomicInteger(0);
2817 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
2818 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2819 >        final CompletableFuture<Integer> g = m.whenComplete
2820 >            (f,
2821 >             (Integer x, Throwable t) -> {
2822 >                threadAssertNull(x);
2823 >                threadAssertTrue(t instanceof CancellationException);
2824 >                a.getAndIncrement();
2825 >            });
2826 >        if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2827  
2828 <    }
2828 >        //try { g.join(); } catch (Throwable t) { throw new Error(t); }
2829 >        checkCompletedWithWrappedCancellationException(g);
2830 >        checkCancelled(f);
2831 >        assertEquals(1, a.get());
2832 >    }}
2833  
2834 +    /**
2835 +     * If a whenComplete action throws an exception when triggered by
2836 +     * a normal completion, it completes exceptionally
2837 +     */
2838 +    public void testWhenComplete_actionFailed() {
2839 +        for (boolean createIncomplete : new boolean[] { true, false })
2840 +        for (ExecutionMode m : ExecutionMode.values())
2841 +        for (Integer v1 : new Integer[] { 1, null })
2842 +    {
2843 +        final AtomicInteger a = new AtomicInteger(0);
2844 +        final CFException ex = new CFException();
2845 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2846 +        if (!createIncomplete) f.complete(v1);
2847 +        final CompletableFuture<Integer> g = m.whenComplete
2848 +            (f,
2849 +             (Integer x, Throwable t) -> {
2850 +                threadAssertSame(x, v1);
2851 +                threadAssertNull(t);
2852 +                a.getAndIncrement();
2853 +                throw ex;
2854 +            });
2855 +        if (createIncomplete) f.complete(v1);
2856 +        checkCompletedNormally(f, v1);
2857 +        checkCompletedWithWrappedCFException(g, ex);
2858 +        assertEquals(1, a.get());
2859 +    }}
2860 +
2861 +    /**
2862 +     * If a whenComplete action throws an exception when triggered by
2863 +     * a source completion that also throws an exception, the source
2864 +     * exception takes precedence.
2865 +     */
2866 +    public void testWhenComplete_actionFailedSourceFailed() {
2867 +        for (boolean createIncomplete : new boolean[] { true, false })
2868 +        for (ExecutionMode m : ExecutionMode.values())
2869 +        for (Integer v1 : new Integer[] { 1, null })
2870 +    {
2871 +        final AtomicInteger a = new AtomicInteger(0);
2872 +        final CFException ex1 = new CFException();
2873 +        final CFException ex2 = new CFException();
2874 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
2875 +
2876 +        if (!createIncomplete) f.completeExceptionally(ex1);
2877 +        final CompletableFuture<Integer> g = m.whenComplete
2878 +            (f,
2879 +             (Integer x, Throwable t) -> {
2880 +                threadAssertSame(t, ex1);
2881 +                threadAssertNull(x);
2882 +                a.getAndIncrement();
2883 +                throw ex2;
2884 +            });
2885 +        if (createIncomplete) f.completeExceptionally(ex1);
2886 +
2887 +        checkCompletedWithWrappedCFException(f, ex1);
2888 +        checkCompletedWithWrappedCFException(g, ex1);
2889 +        assertEquals(1, a.get());
2890 +    }}
2891  
2892   }

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