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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.45 by jsr166, Mon Jun 2 06:07:34 2014 UTC vs.
Revision 1.98 by jsr166, Wed Dec 31 19:05:42 2014 UTC

# Line 5 | Line 5
5   * http://creativecommons.org/publicdomain/zero/1.0/
6   */
7  
8 < import junit.framework.*;
8 > import static java.util.concurrent.TimeUnit.MILLISECONDS;
9 > import static java.util.concurrent.TimeUnit.SECONDS;
10 >
11 > import java.util.ArrayList;
12 > import java.util.List;
13 > import java.util.Objects;
14   import java.util.concurrent.Callable;
10 import java.util.concurrent.Executor;
11 import java.util.concurrent.ExecutorService;
12 import java.util.concurrent.Executors;
15   import java.util.concurrent.CancellationException;
14 import java.util.concurrent.CountDownLatch;
15 import java.util.concurrent.ExecutionException;
16 import java.util.concurrent.Future;
16   import java.util.concurrent.CompletableFuture;
17   import java.util.concurrent.CompletionException;
18   import java.util.concurrent.CompletionStage;
19 + import java.util.concurrent.ExecutionException;
20 + import java.util.concurrent.Executor;
21 + import java.util.concurrent.ForkJoinPool;
22 + import java.util.concurrent.ForkJoinTask;
23   import java.util.concurrent.TimeoutException;
24   import java.util.concurrent.atomic.AtomicInteger;
22 import static java.util.concurrent.TimeUnit.MILLISECONDS;
23 import static java.util.concurrent.TimeUnit.SECONDS;
24 import java.util.*;
25 import java.util.function.Supplier;
26 import java.util.function.Consumer;
25   import java.util.function.BiConsumer;
28 import java.util.function.Function;
26   import java.util.function.BiFunction;
27 + import java.util.function.Consumer;
28 + import java.util.function.Function;
29 + import java.util.function.Supplier;
30 +
31 + import junit.framework.Test;
32 + import junit.framework.TestSuite;
33  
34   public class CompletableFutureTest extends JSR166TestCase {
35  
# Line 55 | Line 58 | public class CompletableFutureTest exten
58      }
59  
60      <T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
61 <        try {
62 <            assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
60 <        } catch (Throwable fail) { threadUnexpectedException(fail); }
61 >        checkTimedGet(f, value);
62 >
63          try {
64              assertEquals(value, f.join());
65          } catch (Throwable fail) { threadUnexpectedException(fail); }
# Line 74 | Line 76 | public class CompletableFutureTest exten
76      }
77  
78      void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
79 +        long startTime = System.nanoTime();
80 +        long timeoutMillis = LONG_DELAY_MS;
81          try {
82 <            f.get(LONG_DELAY_MS, MILLISECONDS);
82 >            f.get(timeoutMillis, MILLISECONDS);
83              shouldThrow();
84          } catch (ExecutionException success) {
85              assertTrue(success.getCause() instanceof CFException);
86          } catch (Throwable fail) { threadUnexpectedException(fail); }
87 +        assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
88 +
89          try {
90              f.join();
91              shouldThrow();
# Line 103 | Line 109 | public class CompletableFutureTest exten
109          assertTrue(f.toString().contains("[Completed exceptionally]"));
110      }
111  
112 <    void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
113 <                                              CFException ex) {
112 >    <U> void checkCompletedExceptionallyWithRootCause(CompletableFuture<U> f,
113 >                                                      Throwable ex) {
114 >        long startTime = System.nanoTime();
115 >        long timeoutMillis = LONG_DELAY_MS;
116          try {
117 <            f.get(LONG_DELAY_MS, MILLISECONDS);
117 >            f.get(timeoutMillis, MILLISECONDS);
118              shouldThrow();
119          } catch (ExecutionException success) {
120              assertSame(ex, success.getCause());
121          } catch (Throwable fail) { threadUnexpectedException(fail); }
122 +        assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
123 +
124          try {
125              f.join();
126              shouldThrow();
# Line 129 | Line 139 | public class CompletableFutureTest exten
139          } catch (ExecutionException success) {
140              assertSame(ex, success.getCause());
141          } catch (Throwable fail) { threadUnexpectedException(fail); }
142 +
143          assertTrue(f.isDone());
144          assertFalse(f.isCancelled());
145          assertTrue(f.toString().contains("[Completed exceptionally]"));
146      }
147  
148 +    <U> void checkCompletedWithWrappedException(CompletableFuture<U> f,
149 +                                                Throwable ex) {
150 +        checkCompletedExceptionallyWithRootCause(f, ex);
151 +        try {
152 +            CompletableFuture<Throwable> spy = f.handle
153 +                ((U u, Throwable t) -> t);
154 +            assertTrue(spy.join() instanceof CompletionException);
155 +            assertSame(ex, spy.join().getCause());
156 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
157 +    }
158 +
159 +    <U> void checkCompletedExceptionally(CompletableFuture<U> f, Throwable ex) {
160 +        checkCompletedExceptionallyWithRootCause(f, ex);
161 +        try {
162 +            CompletableFuture<Throwable> spy = f.handle
163 +                ((U u, Throwable t) -> t);
164 +            assertSame(ex, spy.join());
165 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
166 +    }
167 +
168      void checkCancelled(CompletableFuture<?> f) {
169 +        long startTime = System.nanoTime();
170 +        long timeoutMillis = LONG_DELAY_MS;
171          try {
172 <            f.get(LONG_DELAY_MS, MILLISECONDS);
172 >            f.get(timeoutMillis, MILLISECONDS);
173              shouldThrow();
174          } catch (CancellationException success) {
175          } catch (Throwable fail) { threadUnexpectedException(fail); }
176 +        assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
177 +
178          try {
179              f.join();
180              shouldThrow();
# Line 160 | Line 195 | public class CompletableFutureTest exten
195      }
196  
197      void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
198 +        long startTime = System.nanoTime();
199 +        long timeoutMillis = LONG_DELAY_MS;
200          try {
201 <            f.get(LONG_DELAY_MS, MILLISECONDS);
201 >            f.get(timeoutMillis, MILLISECONDS);
202              shouldThrow();
203          } catch (ExecutionException success) {
204              assertTrue(success.getCause() instanceof CancellationException);
205          } catch (Throwable fail) { threadUnexpectedException(fail); }
206 +        assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
207 +
208          try {
209              f.join();
210              shouldThrow();
# Line 204 | Line 243 | public class CompletableFutureTest exten
243       * isCancelled, join, get, and getNow
244       */
245      public void testComplete() {
246 +        for (Integer v1 : new Integer[] { 1, null })
247 +    {
248          CompletableFuture<Integer> f = new CompletableFuture<>();
249          checkIncomplete(f);
250 <        f.complete(one);
251 <        checkCompletedNormally(f, one);
252 <    }
250 >        assertTrue(f.complete(v1));
251 >        assertFalse(f.complete(v1));
252 >        checkCompletedNormally(f, v1);
253 >    }}
254  
255      /**
256       * completeExceptionally completes exceptionally, as indicated by
# Line 216 | Line 258 | public class CompletableFutureTest exten
258       */
259      public void testCompleteExceptionally() {
260          CompletableFuture<Integer> f = new CompletableFuture<>();
261 +        CFException ex = new CFException();
262          checkIncomplete(f);
263 <        f.completeExceptionally(new CFException());
264 <        checkCompletedWithWrappedCFException(f);
263 >        f.completeExceptionally(ex);
264 >        checkCompletedExceptionally(f, ex);
265      }
266  
267      /**
# Line 226 | Line 269 | public class CompletableFutureTest exten
269       * methods isDone, isCancelled, join, get, and getNow
270       */
271      public void testCancel() {
272 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
273 +    {
274          CompletableFuture<Integer> f = new CompletableFuture<>();
275          checkIncomplete(f);
276          assertTrue(f.cancel(true));
277 +        assertTrue(f.cancel(true));
278          checkCancelled(f);
279 <    }
279 >    }}
280  
281      /**
282       * obtrudeValue forces completion with given value
# Line 238 | Line 284 | public class CompletableFutureTest exten
284      public void testObtrudeValue() {
285          CompletableFuture<Integer> f = new CompletableFuture<>();
286          checkIncomplete(f);
287 <        f.complete(one);
287 >        assertTrue(f.complete(one));
288          checkCompletedNormally(f, one);
289          f.obtrudeValue(three);
290          checkCompletedNormally(f, three);
# Line 247 | Line 293 | public class CompletableFutureTest exten
293          f = new CompletableFuture<>();
294          f.obtrudeValue(three);
295          checkCompletedNormally(f, three);
296 +        f.obtrudeValue(null);
297 +        checkCompletedNormally(f, null);
298          f = new CompletableFuture<>();
299          f.completeExceptionally(new CFException());
300          f.obtrudeValue(four);
# Line 257 | Line 305 | public class CompletableFutureTest exten
305       * obtrudeException forces completion with given exception
306       */
307      public void testObtrudeException() {
308 <        CompletableFuture<Integer> f = new CompletableFuture<>();
309 <        checkIncomplete(f);
310 <        f.complete(one);
311 <        checkCompletedNormally(f, one);
312 <        f.obtrudeException(new CFException());
265 <        checkCompletedWithWrappedCFException(f);
308 >        for (Integer v1 : new Integer[] { 1, null })
309 >    {
310 >        CFException ex;
311 >        CompletableFuture<Integer> f;
312 >
313          f = new CompletableFuture<>();
314 <        f.obtrudeException(new CFException());
315 <        checkCompletedWithWrappedCFException(f);
314 >        assertTrue(f.complete(v1));
315 >        for (int i = 0; i < 2; i++) {
316 >            f.obtrudeException(ex = new CFException());
317 >            checkCompletedExceptionally(f, ex);
318 >        }
319 >
320          f = new CompletableFuture<>();
321 +        for (int i = 0; i < 2; i++) {
322 +            f.obtrudeException(ex = new CFException());
323 +            checkCompletedExceptionally(f, ex);
324 +        }
325 +
326 +        f = new CompletableFuture<>();
327 +        f.completeExceptionally(ex = new CFException());
328 +        f.obtrudeValue(v1);
329 +        checkCompletedNormally(f, v1);
330 +        f.obtrudeException(ex = new CFException());
331 +        checkCompletedExceptionally(f, ex);
332          f.completeExceptionally(new CFException());
333 <        f.obtrudeValue(four);
334 <        checkCompletedNormally(f, four);
335 <        f.obtrudeException(new CFException());
336 <        checkCompletedWithWrappedCFException(f);
275 <    }
333 >        checkCompletedExceptionally(f, ex);
334 >        assertFalse(f.complete(v1));
335 >        checkCompletedExceptionally(f, ex);
336 >    }}
337  
338      /**
339       * getNumberOfDependents returns number of dependent tasks
340       */
341      public void testGetNumberOfDependents() {
342 +        for (ExecutionMode m : ExecutionMode.values())
343 +        for (Integer v1 : new Integer[] { 1, null })
344 +    {
345          CompletableFuture<Integer> f = new CompletableFuture<>();
346 <        assertEquals(f.getNumberOfDependents(), 0);
347 <        CompletableFuture g = f.thenRun(new Noop());
348 <        assertEquals(f.getNumberOfDependents(), 1);
349 <        assertEquals(g.getNumberOfDependents(), 0);
350 <        CompletableFuture h = f.thenRun(new Noop());
351 <        assertEquals(f.getNumberOfDependents(), 2);
352 <        f.complete(1);
346 >        assertEquals(0, f.getNumberOfDependents());
347 >        final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
348 >        assertEquals(1, f.getNumberOfDependents());
349 >        assertEquals(0, g.getNumberOfDependents());
350 >        final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
351 >        assertEquals(2, f.getNumberOfDependents());
352 >        assertEquals(0, h.getNumberOfDependents());
353 >        assertTrue(f.complete(v1));
354          checkCompletedNormally(g, null);
355 <        assertEquals(f.getNumberOfDependents(), 0);
356 <        assertEquals(g.getNumberOfDependents(), 0);
357 <    }
355 >        checkCompletedNormally(h, null);
356 >        assertEquals(0, f.getNumberOfDependents());
357 >        assertEquals(0, g.getNumberOfDependents());
358 >        assertEquals(0, h.getNumberOfDependents());
359 >    }}
360  
361      /**
362       * toString indicates current completion state
# Line 300 | Line 367 | public class CompletableFutureTest exten
367          f = new CompletableFuture<String>();
368          assertTrue(f.toString().contains("[Not completed]"));
369  
370 <        f.complete("foo");
370 >        assertTrue(f.complete("foo"));
371          assertTrue(f.toString().contains("[Completed normally]"));
372  
373          f = new CompletableFuture<String>();
374 <        f.completeExceptionally(new IndexOutOfBoundsException());
374 >        assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
375          assertTrue(f.toString().contains("[Completed exceptionally]"));
376 +
377 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
378 +            f = new CompletableFuture<String>();
379 +            assertTrue(f.cancel(mayInterruptIfRunning));
380 +            assertTrue(f.toString().contains("[Completed exceptionally]"));
381 +        }
382      }
383  
384      /**
# Line 316 | Line 389 | public class CompletableFutureTest exten
389          checkCompletedNormally(f, "test");
390      }
391  
392 <    // Choose non-commutative actions for better coverage
392 >    abstract class CheckedAction {
393 >        int invocationCount = 0;
394 >        final ExecutionMode m;
395 >        CheckedAction(ExecutionMode m) { this.m = m; }
396 >        void invoked() {
397 >            m.checkExecutionMode();
398 >            assertEquals(0, invocationCount++);
399 >        }
400 >        void assertNotInvoked() { assertEquals(0, invocationCount); }
401 >        void assertInvoked() { assertEquals(1, invocationCount); }
402 >    }
403  
404 <    // A non-commutative function that handles and produces null values as well.
405 <    static Integer subtract(Integer x, Integer y) {
406 <        return (x == null && y == null) ? null :
407 <            ((x == null) ? 42 : x.intValue())
408 <            - ((y == null) ? 99 : y.intValue());
404 >    abstract class CheckedIntegerAction extends CheckedAction {
405 >        Integer value;
406 >        CheckedIntegerAction(ExecutionMode m) { super(m); }
407 >        void assertValue(Integer expected) {
408 >            assertInvoked();
409 >            assertEquals(expected, value);
410 >        }
411 >    }
412 >
413 >    class IntegerSupplier extends CheckedAction
414 >        implements Supplier<Integer>
415 >    {
416 >        final Integer value;
417 >        IntegerSupplier(ExecutionMode m, Integer value) {
418 >            super(m);
419 >            this.value = value;
420 >        }
421 >        public Integer get() {
422 >            invoked();
423 >            return value;
424 >        }
425      }
426  
427      // A function that handles and produces null values as well.
# Line 330 | Line 429 | public class CompletableFutureTest exten
429          return (x == null) ? null : x + 1;
430      }
431  
432 <    static final Supplier<Integer> supplyOne =
433 <        () -> Integer.valueOf(1);
434 <    static final Function<Integer, Integer> inc =
435 <        (Integer x) -> Integer.valueOf(x.intValue() + 1);
337 <    static final BiFunction<Integer, Integer, Integer> subtract =
338 <        (Integer x, Integer y) -> subtract(x, y);
339 <    static final class IncAction implements Consumer<Integer> {
340 <        int invocationCount = 0;
341 <        Integer value;
432 >    class NoopConsumer extends CheckedIntegerAction
433 >        implements Consumer<Integer>
434 >    {
435 >        NoopConsumer(ExecutionMode m) { super(m); }
436          public void accept(Integer x) {
437 <            invocationCount++;
438 <            value = inc(x);
437 >            invoked();
438 >            value = x;
439          }
440      }
441 <    static final class IncFunction implements Function<Integer,Integer> {
442 <        int invocationCount = 0;
443 <        Integer value;
441 >
442 >    class IncFunction extends CheckedIntegerAction
443 >        implements Function<Integer,Integer>
444 >    {
445 >        IncFunction(ExecutionMode m) { super(m); }
446          public Integer apply(Integer x) {
447 <            invocationCount++;
447 >            invoked();
448              return value = inc(x);
449          }
450      }
451 <    static final class SubtractAction implements BiConsumer<Integer, Integer> {
452 <        int invocationCount = 0;
453 <        Integer value;
454 <        // Check this action was invoked exactly once when result is computed.
451 >
452 >    // Choose non-commutative actions for better coverage
453 >    // A non-commutative function that handles and produces null values as well.
454 >    static Integer subtract(Integer x, Integer y) {
455 >        return (x == null && y == null) ? null :
456 >            ((x == null) ? 42 : x.intValue())
457 >            - ((y == null) ? 99 : y.intValue());
458 >    }
459 >
460 >    class SubtractAction extends CheckedIntegerAction
461 >        implements BiConsumer<Integer, Integer>
462 >    {
463 >        SubtractAction(ExecutionMode m) { super(m); }
464          public void accept(Integer x, Integer y) {
465 <            invocationCount++;
465 >            invoked();
466              value = subtract(x, y);
467          }
468      }
469 <    static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
470 <        int invocationCount = 0;
471 <        Integer value;
472 <        // Check this action was invoked exactly once when result is computed.
469 >
470 >    class SubtractFunction extends CheckedIntegerAction
471 >        implements BiFunction<Integer, Integer, Integer>
472 >    {
473 >        SubtractFunction(ExecutionMode m) { super(m); }
474          public Integer apply(Integer x, Integer y) {
475 <            invocationCount++;
475 >            invoked();
476              return value = subtract(x, y);
477          }
478      }
479 <    static final class Noop implements Runnable {
480 <        int invocationCount = 0;
479 >
480 >    class Noop extends CheckedAction implements Runnable {
481 >        Noop(ExecutionMode m) { super(m); }
482          public void run() {
483 <            invocationCount++;
483 >            invoked();
484          }
485      }
486  
487 <    static final class FailingSupplier implements Supplier<Integer> {
488 <        int invocationCount = 0;
487 >    class FailingSupplier extends CheckedAction
488 >        implements Supplier<Integer>
489 >    {
490 >        FailingSupplier(ExecutionMode m) { super(m); }
491          public Integer get() {
492 <            invocationCount++;
492 >            invoked();
493              throw new CFException();
494          }
495      }
496 <    static final class FailingConsumer implements Consumer<Integer> {
497 <        int invocationCount = 0;
496 >
497 >    class FailingConsumer extends CheckedIntegerAction
498 >        implements Consumer<Integer>
499 >    {
500 >        FailingConsumer(ExecutionMode m) { super(m); }
501          public void accept(Integer x) {
502 <            invocationCount++;
502 >            invoked();
503 >            value = x;
504              throw new CFException();
505          }
506      }
507 <    static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
508 <        int invocationCount = 0;
507 >
508 >    class FailingBiConsumer extends CheckedIntegerAction
509 >        implements BiConsumer<Integer, Integer>
510 >    {
511 >        FailingBiConsumer(ExecutionMode m) { super(m); }
512          public void accept(Integer x, Integer y) {
513 <            invocationCount++;
513 >            invoked();
514 >            value = subtract(x, y);
515              throw new CFException();
516          }
517      }
518 <    static final class FailingFunction implements Function<Integer, Integer> {
519 <        int invocationCount = 0;
518 >
519 >    class FailingFunction extends CheckedIntegerAction
520 >        implements Function<Integer, Integer>
521 >    {
522 >        FailingFunction(ExecutionMode m) { super(m); }
523          public Integer apply(Integer x) {
524 <            invocationCount++;
524 >            invoked();
525 >            value = x;
526              throw new CFException();
527          }
528      }
529 <    static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
530 <        int invocationCount = 0;
529 >
530 >    class FailingBiFunction extends CheckedIntegerAction
531 >        implements BiFunction<Integer, Integer, Integer>
532 >    {
533 >        FailingBiFunction(ExecutionMode m) { super(m); }
534          public Integer apply(Integer x, Integer y) {
535 <            invocationCount++;
535 >            invoked();
536 >            value = subtract(x, y);
537              throw new CFException();
538          }
539      }
540 <    static final class FailingNoop implements Runnable {
541 <        int invocationCount = 0;
540 >
541 >    class FailingRunnable extends CheckedAction implements Runnable {
542 >        FailingRunnable(ExecutionMode m) { super(m); }
543          public void run() {
544 <            invocationCount++;
544 >            invoked();
545              throw new CFException();
546          }
547      }
548  
549 <    static final class CompletableFutureInc
550 <        implements Function<Integer, CompletableFuture<Integer>> {
551 <        int invocationCount = 0;
549 >
550 >    class CompletableFutureInc extends CheckedIntegerAction
551 >        implements Function<Integer, CompletableFuture<Integer>>
552 >    {
553 >        CompletableFutureInc(ExecutionMode m) { super(m); }
554          public CompletableFuture<Integer> apply(Integer x) {
555 <            invocationCount++;
555 >            invoked();
556 >            value = x;
557              CompletableFuture<Integer> f = new CompletableFuture<>();
558 <            f.complete(inc(x));
558 >            assertTrue(f.complete(inc(x)));
559              return f;
560          }
561      }
562  
563 <    static final class FailingCompletableFutureFunction
564 <        implements Function<Integer, CompletableFuture<Integer>> {
565 <        int invocationCount = 0;
563 >    class FailingCompletableFutureFunction extends CheckedIntegerAction
564 >        implements Function<Integer, CompletableFuture<Integer>>
565 >    {
566 >        FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
567          public CompletableFuture<Integer> apply(Integer x) {
568 <            invocationCount++;
568 >            invoked();
569 >            value = x;
570              throw new CFException();
571          }
572      }
573  
574      // Used for explicit executor tests
575      static final class ThreadExecutor implements Executor {
576 <        AtomicInteger count = new AtomicInteger(0);
576 >        final AtomicInteger count = new AtomicInteger(0);
577 >        static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
578 >        static boolean startedCurrentThread() {
579 >            return Thread.currentThread().getThreadGroup() == tg;
580 >        }
581  
582          public void execute(Runnable r) {
583              count.getAndIncrement();
584 <            new Thread(r).start();
584 >            new Thread(tg, r).start();
585          }
586      }
587  
588 <    static final class ExceptionToInteger implements Function<Throwable, Integer> {
589 <        public Integer apply(Throwable x) { return Integer.valueOf(3); }
455 <    }
456 <
457 <    static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
458 <        int invocationCount = 0;
459 <        public Integer apply(Integer x, Throwable t) {
460 <            invocationCount++;
461 <            return (t == null) ? two : three;
462 <        }
463 <    }
588 >    static final boolean defaultExecutorIsCommonPool
589 >        = ForkJoinPool.getCommonPoolParallelism() > 1;
590  
591      /**
592       * Permits the testing of parallel code for the 3 different
593 <     * execution modes without repeating all the testing code.
593 >     * execution modes without copy/pasting all the test methods.
594       */
595      enum ExecutionMode {
596 <        DEFAULT {
596 >        SYNC {
597 >            public void checkExecutionMode() {
598 >                assertFalse(ThreadExecutor.startedCurrentThread());
599 >                assertNull(ForkJoinTask.getPool());
600 >            }
601 >            public CompletableFuture<Void> runAsync(Runnable a) {
602 >                throw new UnsupportedOperationException();
603 >            }
604 >            public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
605 >                throw new UnsupportedOperationException();
606 >            }
607 >            public <T> CompletableFuture<Void> thenRun
608 >                (CompletableFuture<T> f, Runnable a) {
609 >                return f.thenRun(a);
610 >            }
611 >            public <T> CompletableFuture<Void> thenAccept
612 >                (CompletableFuture<T> f, Consumer<? super T> a) {
613 >                return f.thenAccept(a);
614 >            }
615 >            public <T,U> CompletableFuture<U> thenApply
616 >                (CompletableFuture<T> f, Function<? super T,U> a) {
617 >                return f.thenApply(a);
618 >            }
619 >            public <T,U> CompletableFuture<U> thenCompose
620 >                (CompletableFuture<T> f,
621 >                 Function<? super T,? extends CompletionStage<U>> a) {
622 >                return f.thenCompose(a);
623 >            }
624 >            public <T,U> CompletableFuture<U> handle
625 >                (CompletableFuture<T> f,
626 >                 BiFunction<? super T,Throwable,? extends U> a) {
627 >                return f.handle(a);
628 >            }
629 >            public <T> CompletableFuture<T> whenComplete
630 >                (CompletableFuture<T> f,
631 >                 BiConsumer<? super T,? super Throwable> a) {
632 >                return f.whenComplete(a);
633 >            }
634              public <T,U> CompletableFuture<Void> runAfterBoth
635                  (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
636                  return f.runAfterBoth(g, a);
# Line 484 | Line 647 | public class CompletableFutureTest exten
647                   BiFunction<? super T,? super U,? extends V> a) {
648                  return f.thenCombine(g, a);
649              }
650 <            public <T,U> CompletableFuture<U> applyToEither
650 >            public <T> CompletableFuture<Void> runAfterEither
651                  (CompletableFuture<T> f,
652 <                 CompletionStage<? extends T> g,
653 <                 Function<? super T,U> a) {
654 <                return f.applyToEither(g, a);
652 >                 CompletionStage<?> g,
653 >                 java.lang.Runnable a) {
654 >                return f.runAfterEither(g, a);
655              }
656              public <T> CompletableFuture<Void> acceptEither
657                  (CompletableFuture<T> f,
# Line 496 | Line 659 | public class CompletableFutureTest exten
659                   Consumer<? super T> a) {
660                  return f.acceptEither(g, a);
661              }
662 <            public <T> CompletableFuture<Void> runAfterEither
662 >            public <T,U> CompletableFuture<U> applyToEither
663                  (CompletableFuture<T> f,
664 <                 CompletionStage<?> g,
665 <                 java.lang.Runnable a) {
666 <                return f.runAfterEither(g, a);
664 >                 CompletionStage<? extends T> g,
665 >                 Function<? super T,U> a) {
666 >                return f.applyToEither(g, a);
667 >            }
668 >        },
669 >
670 >        ASYNC {
671 >            public void checkExecutionMode() {
672 >                assertEquals(defaultExecutorIsCommonPool,
673 >                             (ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
674 >            }
675 >            public CompletableFuture<Void> runAsync(Runnable a) {
676 >                return CompletableFuture.runAsync(a);
677 >            }
678 >            public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
679 >                return CompletableFuture.supplyAsync(a);
680 >            }
681 >            public <T> CompletableFuture<Void> thenRun
682 >                (CompletableFuture<T> f, Runnable a) {
683 >                return f.thenRunAsync(a);
684 >            }
685 >            public <T> CompletableFuture<Void> thenAccept
686 >                (CompletableFuture<T> f, Consumer<? super T> a) {
687 >                return f.thenAcceptAsync(a);
688 >            }
689 >            public <T,U> CompletableFuture<U> thenApply
690 >                (CompletableFuture<T> f, Function<? super T,U> a) {
691 >                return f.thenApplyAsync(a);
692              }
693              public <T,U> CompletableFuture<U> thenCompose
694                  (CompletableFuture<T> f,
695                   Function<? super T,? extends CompletionStage<U>> a) {
696 <                return f.thenCompose(a);
696 >                return f.thenComposeAsync(a);
697 >            }
698 >            public <T,U> CompletableFuture<U> handle
699 >                (CompletableFuture<T> f,
700 >                 BiFunction<? super T,Throwable,? extends U> a) {
701 >                return f.handleAsync(a);
702              }
703              public <T> CompletableFuture<T> whenComplete
704                  (CompletableFuture<T> f,
705                   BiConsumer<? super T,? super Throwable> a) {
706 <                return f.whenComplete(a);
706 >                return f.whenCompleteAsync(a);
707              }
515        },
516
517        DEFAULT_ASYNC {
708              public <T,U> CompletableFuture<Void> runAfterBoth
709                  (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
710                  return f.runAfterBothAsync(g, a);
# Line 531 | Line 721 | public class CompletableFutureTest exten
721                   BiFunction<? super T,? super U,? extends V> a) {
722                  return f.thenCombineAsync(g, a);
723              }
724 <            public <T,U> CompletableFuture<U> applyToEither
724 >            public <T> CompletableFuture<Void> runAfterEither
725                  (CompletableFuture<T> f,
726 <                 CompletionStage<? extends T> g,
727 <                 Function<? super T,U> a) {
728 <                return f.applyToEitherAsync(g, a);
726 >                 CompletionStage<?> g,
727 >                 java.lang.Runnable a) {
728 >                return f.runAfterEitherAsync(g, a);
729              }
730              public <T> CompletableFuture<Void> acceptEither
731                  (CompletableFuture<T> f,
# Line 543 | Line 733 | public class CompletableFutureTest exten
733                   Consumer<? super T> a) {
734                  return f.acceptEitherAsync(g, a);
735              }
736 <            public <T> CompletableFuture<Void> runAfterEither
736 >            public <T,U> CompletableFuture<U> applyToEither
737                  (CompletableFuture<T> f,
738 <                 CompletionStage<?> g,
739 <                 java.lang.Runnable a) {
740 <                return f.runAfterEitherAsync(g, a);
738 >                 CompletionStage<? extends T> g,
739 >                 Function<? super T,U> a) {
740 >                return f.applyToEitherAsync(g, a);
741 >            }
742 >        },
743 >
744 >        EXECUTOR {
745 >            public void checkExecutionMode() {
746 >                assertTrue(ThreadExecutor.startedCurrentThread());
747 >            }
748 >            public CompletableFuture<Void> runAsync(Runnable a) {
749 >                return CompletableFuture.runAsync(a, new ThreadExecutor());
750 >            }
751 >            public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
752 >                return CompletableFuture.supplyAsync(a, new ThreadExecutor());
753 >            }
754 >            public <T> CompletableFuture<Void> thenRun
755 >                (CompletableFuture<T> f, Runnable a) {
756 >                return f.thenRunAsync(a, new ThreadExecutor());
757 >            }
758 >            public <T> CompletableFuture<Void> thenAccept
759 >                (CompletableFuture<T> f, Consumer<? super T> a) {
760 >                return f.thenAcceptAsync(a, new ThreadExecutor());
761 >            }
762 >            public <T,U> CompletableFuture<U> thenApply
763 >                (CompletableFuture<T> f, Function<? super T,U> a) {
764 >                return f.thenApplyAsync(a, new ThreadExecutor());
765              }
766              public <T,U> CompletableFuture<U> thenCompose
767                  (CompletableFuture<T> f,
768                   Function<? super T,? extends CompletionStage<U>> a) {
769 <                return f.thenComposeAsync(a);
769 >                return f.thenComposeAsync(a, new ThreadExecutor());
770 >            }
771 >            public <T,U> CompletableFuture<U> handle
772 >                (CompletableFuture<T> f,
773 >                 BiFunction<? super T,Throwable,? extends U> a) {
774 >                return f.handleAsync(a, new ThreadExecutor());
775              }
776              public <T> CompletableFuture<T> whenComplete
777                  (CompletableFuture<T> f,
778                   BiConsumer<? super T,? super Throwable> a) {
779 <                return f.whenCompleteAsync(a);
779 >                return f.whenCompleteAsync(a, new ThreadExecutor());
780              }
562        },
563
564        EXECUTOR {
781              public <T,U> CompletableFuture<Void> runAfterBoth
782                  (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
783                  return f.runAfterBothAsync(g, a, new ThreadExecutor());
# Line 578 | Line 794 | public class CompletableFutureTest exten
794                   BiFunction<? super T,? super U,? extends V> a) {
795                  return f.thenCombineAsync(g, a, new ThreadExecutor());
796              }
581            public <T,U> CompletableFuture<U> applyToEither
582                (CompletableFuture<T> f,
583                 CompletionStage<? extends T> g,
584                 Function<? super T,U> a) {
585                return f.applyToEitherAsync(g, a, new ThreadExecutor());
586            }
587            public <T> CompletableFuture<Void> acceptEither
588                (CompletableFuture<T> f,
589                 CompletionStage<? extends T> g,
590                 Consumer<? super T> a) {
591                return f.acceptEitherAsync(g, a, new ThreadExecutor());
592            }
797              public <T> CompletableFuture<Void> runAfterEither
798                  (CompletableFuture<T> f,
799                   CompletionStage<?> g,
800                   java.lang.Runnable a) {
801                  return f.runAfterEitherAsync(g, a, new ThreadExecutor());
802              }
803 <            public <T,U> CompletableFuture<U> thenCompose
803 >            public <T> CompletableFuture<Void> acceptEither
804                  (CompletableFuture<T> f,
805 <                 Function<? super T,? extends CompletionStage<U>> a) {
806 <                return f.thenComposeAsync(a, new ThreadExecutor());
805 >                 CompletionStage<? extends T> g,
806 >                 Consumer<? super T> a) {
807 >                return f.acceptEitherAsync(g, a, new ThreadExecutor());
808              }
809 <            public <T> CompletableFuture<T> whenComplete
809 >            public <T,U> CompletableFuture<U> applyToEither
810                  (CompletableFuture<T> f,
811 <                 BiConsumer<? super T,? super Throwable> a) {
812 <                return f.whenCompleteAsync(a, new ThreadExecutor());
811 >                 CompletionStage<? extends T> g,
812 >                 Function<? super T,U> a) {
813 >                return f.applyToEitherAsync(g, a, new ThreadExecutor());
814              }
815          };
816  
817 +        public abstract void checkExecutionMode();
818 +        public abstract CompletableFuture<Void> runAsync(Runnable a);
819 +        public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
820 +        public abstract <T> CompletableFuture<Void> thenRun
821 +            (CompletableFuture<T> f, Runnable a);
822 +        public abstract <T> CompletableFuture<Void> thenAccept
823 +            (CompletableFuture<T> f, Consumer<? super T> a);
824 +        public abstract <T,U> CompletableFuture<U> thenApply
825 +            (CompletableFuture<T> f, Function<? super T,U> a);
826 +        public abstract <T,U> CompletableFuture<U> thenCompose
827 +            (CompletableFuture<T> f,
828 +             Function<? super T,? extends CompletionStage<U>> a);
829 +        public abstract <T,U> CompletableFuture<U> handle
830 +            (CompletableFuture<T> f,
831 +             BiFunction<? super T,Throwable,? extends U> a);
832 +        public abstract <T> CompletableFuture<T> whenComplete
833 +            (CompletableFuture<T> f,
834 +             BiConsumer<? super T,? super Throwable> a);
835          public abstract <T,U> CompletableFuture<Void> runAfterBoth
836              (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
837          public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
# Line 618 | Line 842 | public class CompletableFutureTest exten
842              (CompletableFuture<T> f,
843               CompletionStage<? extends U> g,
844               BiFunction<? super T,? super U,? extends V> a);
621        public abstract <T,U> CompletableFuture<U> applyToEither
622            (CompletableFuture<T> f,
623             CompletionStage<? extends T> g,
624             Function<? super T,U> a);
625        public abstract <T> CompletableFuture<Void> acceptEither
626            (CompletableFuture<T> f,
627             CompletionStage<? extends T> g,
628             Consumer<? super T> a);
845          public abstract <T> CompletableFuture<Void> runAfterEither
846              (CompletableFuture<T> f,
847               CompletionStage<?> g,
848               java.lang.Runnable a);
849 <        public abstract <T,U> CompletableFuture<U> thenCompose
849 >        public abstract <T> CompletableFuture<Void> acceptEither
850              (CompletableFuture<T> f,
851 <             Function<? super T,? extends CompletionStage<U>> a);
852 <        public abstract <T> CompletableFuture<T> whenComplete
851 >             CompletionStage<? extends T> g,
852 >             Consumer<? super T> a);
853 >        public abstract <T,U> CompletableFuture<U> applyToEither
854              (CompletableFuture<T> f,
855 <             BiConsumer<? super T,? super Throwable> a);
856 <
640 <
641 <    }
642 <
643 <    /**
644 <     * exceptionally action completes with function value on source
645 <     * exception; otherwise with source value
646 <     */
647 <    public void testExceptionally() {
648 <        CompletableFuture<Integer> f = new CompletableFuture<>();
649 <        ExceptionToInteger r = new ExceptionToInteger();
650 <        CompletableFuture<Integer> g = f.exceptionally(r);
651 <        f.completeExceptionally(new CFException());
652 <        checkCompletedNormally(g, three);
653 <
654 <        f = new CompletableFuture<>();
655 <        r = new ExceptionToInteger();
656 <        g = f.exceptionally(r);
657 <        f.complete(one);
658 <        checkCompletedNormally(g, one);
659 <    }
660 <
661 <    /**
662 <     * handle action completes normally with function value on either
663 <     * normal or exceptional completion of source
664 <     */
665 <    public void testHandle() {
666 <        CompletableFuture<Integer> f, g;
667 <        IntegerHandler r;
668 <
669 <        f = new CompletableFuture<>();
670 <        f.completeExceptionally(new CFException());
671 <        g = f.handle(r = new IntegerHandler());
672 <        assertEquals(1, r.invocationCount);
673 <        assertEquals(1, r.invocationCount);
674 <        checkCompletedNormally(g, three);
675 <
676 <        f = new CompletableFuture<>();
677 <        g = f.handle(r = new IntegerHandler());
678 <        assertEquals(0, r.invocationCount);
679 <        f.completeExceptionally(new CFException());
680 <        checkCompletedNormally(g, three);
681 <        assertEquals(1, r.invocationCount);
682 <
683 <        f = new CompletableFuture<>();
684 <        f.complete(one);
685 <        g = f.handle(r = new IntegerHandler());
686 <        assertEquals(1, r.invocationCount);
687 <        checkCompletedNormally(g, two);
688 <
689 <        f = new CompletableFuture<>();
690 <        g = f.handle(r = new IntegerHandler());
691 <        assertEquals(0, r.invocationCount);
692 <        f.complete(one);
693 <        assertEquals(1, r.invocationCount);
694 <        checkCompletedNormally(g, two);
695 <    }
696 <
697 <    /**
698 <     * runAsync completes after running Runnable
699 <     */
700 <    public void testRunAsync() {
701 <        Noop r = new Noop();
702 <        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
703 <        assertNull(f.join());
704 <        assertEquals(1, r.invocationCount);
705 <        checkCompletedNormally(f, null);
706 <    }
707 <
708 <    /**
709 <     * runAsync with executor completes after running Runnable
710 <     */
711 <    public void testRunAsync2() {
712 <        Noop r = new Noop();
713 <        ThreadExecutor exec = new ThreadExecutor();
714 <        CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
715 <        assertNull(f.join());
716 <        assertEquals(1, r.invocationCount);
717 <        checkCompletedNormally(f, null);
718 <        assertEquals(1, exec.count.get());
719 <    }
720 <
721 <    /**
722 <     * failing runAsync completes exceptionally after running Runnable
723 <     */
724 <    public void testRunAsync3() {
725 <        FailingNoop r = new FailingNoop();
726 <        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
727 <        checkCompletedWithWrappedCFException(f);
728 <        assertEquals(1, r.invocationCount);
855 >             CompletionStage<? extends T> g,
856 >             Function<? super T,U> a);
857      }
858  
859      /**
860 <     * supplyAsync completes with result of supplier
860 >     * exceptionally action is not invoked when source completes
861 >     * normally, and source result is propagated
862       */
863 <    public void testSupplyAsync() {
864 <        CompletableFuture<Integer> f;
865 <        f = CompletableFuture.supplyAsync(supplyOne);
866 <        assertEquals(f.join(), one);
867 <        checkCompletedNormally(f, one);
868 <    }
863 >    public void testExceptionally_normalCompletion() {
864 >        for (boolean createIncomplete : new boolean[] { true, false })
865 >        for (Integer v1 : new Integer[] { 1, null })
866 >    {
867 >        final AtomicInteger a = new AtomicInteger(0);
868 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
869 >        if (!createIncomplete) assertTrue(f.complete(v1));
870 >        final CompletableFuture<Integer> g = f.exceptionally
871 >            ((Throwable t) -> {
872 >                // Should not be called
873 >                a.getAndIncrement();
874 >                throw new AssertionError();
875 >            });
876 >        if (createIncomplete) assertTrue(f.complete(v1));
877  
878 <    /**
879 <     * supplyAsync with executor completes with result of supplier
880 <     */
881 <    public void testSupplyAsync2() {
745 <        CompletableFuture<Integer> f;
746 <        f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
747 <        assertEquals(f.join(), one);
748 <        checkCompletedNormally(f, one);
749 <    }
878 >        checkCompletedNormally(g, v1);
879 >        checkCompletedNormally(f, v1);
880 >        assertEquals(0, a.get());
881 >    }}
882  
883      /**
884 <     * Failing supplyAsync completes exceptionally
884 >     * exceptionally action completes with function value on source
885 >     * exception
886       */
887 <    public void testSupplyAsync3() {
888 <        FailingSupplier r = new FailingSupplier();
889 <        CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
890 <        checkCompletedWithWrappedCFException(f);
891 <        assertEquals(1, r.invocationCount);
892 <    }
893 <
894 <    // seq completion methods
887 >    public void testExceptionally_exceptionalCompletion() {
888 >        for (boolean createIncomplete : new boolean[] { true, false })
889 >        for (Integer v1 : new Integer[] { 1, null })
890 >    {
891 >        final AtomicInteger a = new AtomicInteger(0);
892 >        final CFException ex = new CFException();
893 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
894 >        if (!createIncomplete) f.completeExceptionally(ex);
895 >        final CompletableFuture<Integer> g = f.exceptionally
896 >            ((Throwable t) -> {
897 >                ExecutionMode.SYNC.checkExecutionMode();
898 >                threadAssertSame(t, ex);
899 >                a.getAndIncrement();
900 >                return v1;
901 >            });
902 >        if (createIncomplete) f.completeExceptionally(ex);
903  
904 <    /**
905 <     * thenRun result completes normally after normal completion of source
906 <     */
766 <    public void testThenRun() {
767 <        CompletableFuture<Integer> f;
768 <        CompletableFuture<Void> g;
769 <        Noop r;
904 >        checkCompletedNormally(g, v1);
905 >        assertEquals(1, a.get());
906 >    }}
907  
908 <        f = new CompletableFuture<>();
909 <        g = f.thenRun(r = new Noop());
910 <        f.complete(null);
911 <        checkCompletedNormally(g, null);
912 <        assertEquals(1, r.invocationCount);
908 >    public void testExceptionally_exceptionalCompletionActionFailed() {
909 >        for (boolean createIncomplete : new boolean[] { true, false })
910 >        for (Integer v1 : new Integer[] { 1, null })
911 >    {
912 >        final AtomicInteger a = new AtomicInteger(0);
913 >        final CFException ex1 = new CFException();
914 >        final CFException ex2 = new CFException();
915 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
916 >        if (!createIncomplete) f.completeExceptionally(ex1);
917 >        final CompletableFuture<Integer> g = f.exceptionally
918 >            ((Throwable t) -> {
919 >                ExecutionMode.SYNC.checkExecutionMode();
920 >                threadAssertSame(t, ex1);
921 >                a.getAndIncrement();
922 >                throw ex2;
923 >            });
924 >        if (createIncomplete) f.completeExceptionally(ex1);
925  
926 <        f = new CompletableFuture<>();
927 <        f.complete(null);
928 <        g = f.thenRun(r = new Noop());
780 <        checkCompletedNormally(g, null);
781 <        assertEquals(1, r.invocationCount);
782 <    }
926 >        checkCompletedWithWrappedException(g, ex2);
927 >        assertEquals(1, a.get());
928 >    }}
929  
930      /**
931 <     * thenRun result completes exceptionally after exceptional
932 <     * completion of source
931 >     * whenComplete action executes on normal completion, propagating
932 >     * source result.
933       */
934 <    public void testThenRun2() {
935 <        CompletableFuture<Integer> f;
936 <        CompletableFuture<Void> g;
937 <        Noop r;
938 <
939 <        f = new CompletableFuture<>();
940 <        g = f.thenRun(r = new Noop());
941 <        f.completeExceptionally(new CFException());
942 <        checkCompletedWithWrappedCFException(g);
943 <        assertEquals(0, r.invocationCount);
934 >    public void testWhenComplete_normalCompletion1() {
935 >        for (ExecutionMode m : ExecutionMode.values())
936 >        for (boolean createIncomplete : new boolean[] { true, false })
937 >        for (Integer v1 : new Integer[] { 1, null })
938 >    {
939 >        final AtomicInteger a = new AtomicInteger(0);
940 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
941 >        if (!createIncomplete) assertTrue(f.complete(v1));
942 >        final CompletableFuture<Integer> g = m.whenComplete
943 >            (f,
944 >             (Integer x, Throwable t) -> {
945 >                m.checkExecutionMode();
946 >                threadAssertSame(x, v1);
947 >                threadAssertNull(t);
948 >                a.getAndIncrement();
949 >            });
950 >        if (createIncomplete) assertTrue(f.complete(v1));
951  
952 <        f = new CompletableFuture<>();
953 <        f.completeExceptionally(new CFException());
954 <        g = f.thenRun(r = new Noop());
955 <        checkCompletedWithWrappedCFException(g);
803 <        assertEquals(0, r.invocationCount);
804 <    }
952 >        checkCompletedNormally(g, v1);
953 >        checkCompletedNormally(f, v1);
954 >        assertEquals(1, a.get());
955 >    }}
956  
957      /**
958 <     * thenRun result completes exceptionally if action does
958 >     * whenComplete action executes on exceptional completion, propagating
959 >     * source result.
960       */
961 <    public void testThenRun3() {
962 <        CompletableFuture<Integer> f;
963 <        CompletableFuture<Void> g;
964 <        FailingNoop r;
965 <
966 <        f = new CompletableFuture<>();
967 <        g = f.thenRun(r = new FailingNoop());
968 <        f.complete(null);
969 <        checkCompletedWithWrappedCFException(g);
961 >    public void testWhenComplete_exceptionalCompletion() {
962 >        for (ExecutionMode m : ExecutionMode.values())
963 >        for (boolean createIncomplete : new boolean[] { true, false })
964 >        for (Integer v1 : new Integer[] { 1, null })
965 >    {
966 >        final AtomicInteger a = new AtomicInteger(0);
967 >        final CFException ex = new CFException();
968 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
969 >        if (!createIncomplete) f.completeExceptionally(ex);
970 >        final CompletableFuture<Integer> g = m.whenComplete
971 >            (f,
972 >             (Integer x, Throwable t) -> {
973 >                m.checkExecutionMode();
974 >                threadAssertNull(x);
975 >                threadAssertSame(t, ex);
976 >                a.getAndIncrement();
977 >            });
978 >        if (createIncomplete) f.completeExceptionally(ex);
979  
980 <        f = new CompletableFuture<>();
981 <        f.complete(null);
982 <        g = f.thenRun(r = new FailingNoop());
983 <        checkCompletedWithWrappedCFException(g);
823 <    }
980 >        checkCompletedWithWrappedException(g, ex);
981 >        checkCompletedExceptionally(f, ex);
982 >        assertEquals(1, a.get());
983 >    }}
984  
985      /**
986 <     * thenRun result completes exceptionally if source cancelled
986 >     * whenComplete action executes on cancelled source, propagating
987 >     * CancellationException.
988       */
989 <    public void testThenRun4() {
990 <        CompletableFuture<Integer> f;
991 <        CompletableFuture<Void> g;
992 <        Noop r;
993 <
994 <        f = new CompletableFuture<>();
995 <        g = f.thenRun(r = new Noop());
996 <        assertTrue(f.cancel(true));
997 <        checkCompletedWithWrappedCancellationException(g);
989 >    public void testWhenComplete_sourceCancelled() {
990 >        for (ExecutionMode m : ExecutionMode.values())
991 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
992 >        for (boolean createIncomplete : new boolean[] { true, false })
993 >    {
994 >        final AtomicInteger a = new AtomicInteger(0);
995 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
996 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
997 >        final CompletableFuture<Integer> g = m.whenComplete
998 >            (f,
999 >             (Integer x, Throwable t) -> {
1000 >                m.checkExecutionMode();
1001 >                threadAssertNull(x);
1002 >                threadAssertTrue(t instanceof CancellationException);
1003 >                a.getAndIncrement();
1004 >            });
1005 >        if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1006  
838        f = new CompletableFuture<>();
839        assertTrue(f.cancel(true));
840        g = f.thenRun(r = new Noop());
1007          checkCompletedWithWrappedCancellationException(g);
1008 <    }
1008 >        checkCancelled(f);
1009 >        assertEquals(1, a.get());
1010 >    }}
1011  
1012      /**
1013 <     * thenApply result completes normally after normal completion of source
1013 >     * If a whenComplete action throws an exception when triggered by
1014 >     * a normal completion, it completes exceptionally
1015       */
1016 <    public void testThenApply() {
1017 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1018 <        CompletableFuture<Integer> g = f.thenApply(inc);
1019 <        f.complete(one);
1020 <        checkCompletedNormally(g, two);
1021 <    }
1016 >    public void testWhenComplete_actionFailed() {
1017 >        for (boolean createIncomplete : new boolean[] { true, false })
1018 >        for (ExecutionMode m : ExecutionMode.values())
1019 >        for (Integer v1 : new Integer[] { 1, null })
1020 >    {
1021 >        final AtomicInteger a = new AtomicInteger(0);
1022 >        final CFException ex = new CFException();
1023 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1024 >        if (!createIncomplete) assertTrue(f.complete(v1));
1025 >        final CompletableFuture<Integer> g = m.whenComplete
1026 >            (f,
1027 >             (Integer x, Throwable t) -> {
1028 >                m.checkExecutionMode();
1029 >                threadAssertSame(x, v1);
1030 >                threadAssertNull(t);
1031 >                a.getAndIncrement();
1032 >                throw ex;
1033 >            });
1034 >        if (createIncomplete) assertTrue(f.complete(v1));
1035  
1036 <    /**
1037 <     * thenApply result completes exceptionally after exceptional
1038 <     * completion of source
1039 <     */
858 <    public void testThenApply2() {
859 <        CompletableFuture<Integer> f = new CompletableFuture<>();
860 <        CompletableFuture<Integer> g = f.thenApply(inc);
861 <        f.completeExceptionally(new CFException());
862 <        checkCompletedWithWrappedCFException(g);
863 <    }
1036 >        checkCompletedWithWrappedException(g, ex);
1037 >        checkCompletedNormally(f, v1);
1038 >        assertEquals(1, a.get());
1039 >    }}
1040  
1041      /**
1042 <     * thenApply result completes exceptionally if action does
1042 >     * If a whenComplete action throws an exception when triggered by
1043 >     * a source completion that also throws an exception, the source
1044 >     * exception takes precedence.
1045       */
1046 <    public void testThenApply3() {
1047 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1048 <        CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1049 <        f.complete(one);
1050 <        checkCompletedWithWrappedCFException(g);
1051 <    }
1046 >    public void testWhenComplete_actionFailedSourceFailed() {
1047 >        for (boolean createIncomplete : new boolean[] { true, false })
1048 >        for (ExecutionMode m : ExecutionMode.values())
1049 >        for (Integer v1 : new Integer[] { 1, null })
1050 >    {
1051 >        final AtomicInteger a = new AtomicInteger(0);
1052 >        final CFException ex1 = new CFException();
1053 >        final CFException ex2 = new CFException();
1054 >        final CompletableFuture<Integer> f = new CompletableFuture<>();
1055  
1056 <    /**
1057 <     * thenApply result completes exceptionally if source cancelled
1058 <     */
1059 <    public void testThenApply4() {
1060 <        CompletableFuture<Integer> f = new CompletableFuture<>();
1061 <        CompletableFuture<Integer> g = f.thenApply(inc);
1062 <        assertTrue(f.cancel(true));
1063 <        checkCompletedWithWrappedCancellationException(g);
1064 <    }
1056 >        if (!createIncomplete) f.completeExceptionally(ex1);
1057 >        final CompletableFuture<Integer> g = m.whenComplete
1058 >            (f,
1059 >             (Integer x, Throwable t) -> {
1060 >                m.checkExecutionMode();
1061 >                threadAssertSame(t, ex1);
1062 >                threadAssertNull(x);
1063 >                a.getAndIncrement();
1064 >                throw ex2;
1065 >            });
1066 >        if (createIncomplete) f.completeExceptionally(ex1);
1067  
1068 <    /**
1069 <     * thenAccept result completes normally after normal completion of source
1070 <     */
1071 <    public void testThenAccept() {
889 <        CompletableFuture<Integer> f = new CompletableFuture<>();
890 <        IncAction r = new IncAction();
891 <        CompletableFuture<Void> g = f.thenAccept(r);
892 <        f.complete(one);
893 <        checkCompletedNormally(g, null);
894 <        assertEquals(r.value, (Integer) 2);
895 <    }
1068 >        checkCompletedWithWrappedException(g, ex1);
1069 >        checkCompletedExceptionally(f, ex1);
1070 >        assertEquals(1, a.get());
1071 >    }}
1072  
1073      /**
1074 <     * thenAccept result completes exceptionally after exceptional
1074 >     * handle action completes normally with function value on normal
1075       * completion of source
1076       */
1077 <    public void testThenAccept2() {
902 <        CompletableFuture<Integer> f = new CompletableFuture<>();
903 <        IncAction r = new IncAction();
904 <        CompletableFuture<Void> g = f.thenAccept(r);
905 <        f.completeExceptionally(new CFException());
906 <        checkCompletedWithWrappedCFException(g);
907 <    }
908 <
909 <    /**
910 <     * thenAccept result completes exceptionally if action does
911 <     */
912 <    public void testThenAccept3() {
913 <        CompletableFuture<Integer> f = new CompletableFuture<>();
914 <        FailingConsumer r = new FailingConsumer();
915 <        CompletableFuture<Void> g = f.thenAccept(r);
916 <        f.complete(one);
917 <        checkCompletedWithWrappedCFException(g);
918 <        assertEquals(1, r.invocationCount);
919 <    }
920 <
921 <    /**
922 <     * thenAccept result completes exceptionally if source cancelled
923 <     */
924 <    public void testThenAccept4() {
925 <        CompletableFuture<Integer> f = new CompletableFuture<>();
926 <        IncAction r = new IncAction();
927 <        CompletableFuture<Void> g = f.thenAccept(r);
928 <        assertTrue(f.cancel(true));
929 <        checkCompletedWithWrappedCancellationException(g);
930 <    }
931 <
932 <    /**
933 <     * thenCombine result completes normally after normal completion
934 <     * of sources
935 <     */
936 <    public void testThenCombine_normalCompletion1() {
937 <        for (boolean createIncomplete : new boolean[] { true, false })
938 <        for (boolean fFirst : new boolean[] { true, false })
1077 >    public void testHandle_normalCompletion() {
1078          for (ExecutionMode m : ExecutionMode.values())
1079 +        for (boolean createIncomplete : new boolean[] { true, false })
1080          for (Integer v1 : new Integer[] { 1, null })
1081 <        for (Integer v2 : new Integer[] { 2, null }) {
942 <
1081 >    {
1082          final CompletableFuture<Integer> f = new CompletableFuture<>();
1083 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1084 <        final SubtractFunction r = new SubtractFunction();
1085 <        CompletableFuture<Integer> h = null;
1086 <        if (createIncomplete) h = m.thenCombine(f, g, r);
1087 <
1088 <        if (fFirst)
1089 <            f.complete(v1);
1090 <        else
1091 <            g.complete(v2);
1092 <        if (createIncomplete) checkIncomplete(h);
1093 <        assertEquals(0, r.invocationCount);
1094 <        if (!fFirst)
956 <            f.complete(v1);
957 <        else
958 <            g.complete(v2);
959 <        if (!createIncomplete) h = m.thenCombine(f, g, r);
1083 >        final AtomicInteger a = new AtomicInteger(0);
1084 >        if (!createIncomplete) assertTrue(f.complete(v1));
1085 >        final CompletableFuture<Integer> g = m.handle
1086 >            (f,
1087 >             (Integer x, Throwable t) -> {
1088 >                m.checkExecutionMode();
1089 >                threadAssertSame(x, v1);
1090 >                threadAssertNull(t);
1091 >                a.getAndIncrement();
1092 >                return inc(v1);
1093 >            });
1094 >        if (createIncomplete) assertTrue(f.complete(v1));
1095  
1096 <        checkCompletedNormally(h, subtract(v1, v2));
1096 >        checkCompletedNormally(g, inc(v1));
1097          checkCompletedNormally(f, v1);
1098 <        checkCompletedNormally(g, v2);
1099 <        assertEquals(1, r.invocationCount);
965 <        }
966 <    }
1098 >        assertEquals(1, a.get());
1099 >    }}
1100  
1101      /**
1102 <     * thenCombine result completes exceptionally after exceptional
1103 <     * completion of either source
1102 >     * handle action completes normally with function value on
1103 >     * exceptional completion of source
1104       */
1105 <    public void testThenCombine_exceptionalCompletion1() {
1105 >    public void testHandle_exceptionalCompletion() {
1106          for (ExecutionMode m : ExecutionMode.values())
1107 <        for (Integer v1 : new Integer[] { 1, null }) {
1108 <
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 CompletableFuture<Integer> g = new CompletableFuture<>();
978 <        final SubtractFunction r = new SubtractFunction();
979 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1111 >        final AtomicInteger a = new AtomicInteger(0);
1112          final CFException ex = new CFException();
1113 +        if (!createIncomplete) f.completeExceptionally(ex);
1114 +        final CompletableFuture<Integer> g = m.handle
1115 +            (f,
1116 +             (Integer x, Throwable t) -> {
1117 +                m.checkExecutionMode();
1118 +                threadAssertNull(x);
1119 +                threadAssertSame(t, ex);
1120 +                a.getAndIncrement();
1121 +                return v1;
1122 +            });
1123 +        if (createIncomplete) f.completeExceptionally(ex);
1124  
982        f.completeExceptionally(ex);
983        checkIncomplete(h);
984        g.complete(v1);
985
986        checkCompletedWithWrappedCFException(h, ex);
987        checkCompletedWithWrappedCFException(f, ex);
988        assertEquals(0, r.invocationCount);
1125          checkCompletedNormally(g, v1);
1126 <        }
1127 <    }
1126 >        checkCompletedExceptionally(f, ex);
1127 >        assertEquals(1, a.get());
1128 >    }}
1129  
1130 <    public void testThenCombine_exceptionalCompletion2() {
1130 >    /**
1131 >     * handle action completes normally with function value on
1132 >     * cancelled source
1133 >     */
1134 >    public void testHandle_sourceCancelled() {
1135          for (ExecutionMode m : ExecutionMode.values())
1136 <        for (Integer v1 : new Integer[] { 1, null }) {
1137 <
1136 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1137 >        for (boolean createIncomplete : new boolean[] { true, false })
1138 >        for (Integer v1 : new Integer[] { 1, null })
1139 >    {
1140          final CompletableFuture<Integer> f = new CompletableFuture<>();
1141 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1142 <        final SubtractFunction r = new SubtractFunction();
1143 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1144 <        final CFException ex = new CFException();
1145 <
1146 <        g.completeExceptionally(ex);
1147 <        checkIncomplete(h);
1148 <        f.complete(v1);
1141 >        final AtomicInteger a = new AtomicInteger(0);
1142 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1143 >        final CompletableFuture<Integer> g = m.handle
1144 >            (f,
1145 >             (Integer x, Throwable t) -> {
1146 >                m.checkExecutionMode();
1147 >                threadAssertNull(x);
1148 >                threadAssertTrue(t instanceof CancellationException);
1149 >                a.getAndIncrement();
1150 >                return v1;
1151 >            });
1152 >        if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1153  
1154 <        checkCompletedWithWrappedCFException(h, ex);
1155 <        checkCompletedWithWrappedCFException(g, ex);
1156 <        assertEquals(0, r.invocationCount);
1157 <        checkCompletedNormally(f, v1);
1011 <        }
1012 <    }
1154 >        checkCompletedNormally(g, v1);
1155 >        checkCancelled(f);
1156 >        assertEquals(1, a.get());
1157 >    }}
1158  
1159 <    public void testThenCombine_exceptionalCompletion3() {
1159 >    /**
1160 >     * handle result completes exceptionally if action does
1161 >     */
1162 >    public void testHandle_sourceFailedActionFailed() {
1163          for (ExecutionMode m : ExecutionMode.values())
1164 <        for (Integer v1 : new Integer[] { 1, null }) {
1165 <
1164 >        for (boolean createIncomplete : new boolean[] { true, false })
1165 >    {
1166          final CompletableFuture<Integer> f = new CompletableFuture<>();
1167 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1168 <        final SubtractFunction r = new SubtractFunction();
1169 <        final CFException ex = new CFException();
1170 <
1171 <        g.completeExceptionally(ex);
1172 <        f.complete(v1);
1173 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1167 >        final AtomicInteger a = new AtomicInteger(0);
1168 >        final CFException ex1 = new CFException();
1169 >        final CFException ex2 = new CFException();
1170 >        if (!createIncomplete) f.completeExceptionally(ex1);
1171 >        final CompletableFuture<Integer> g = m.handle
1172 >            (f,
1173 >             (Integer x, Throwable t) -> {
1174 >                m.checkExecutionMode();
1175 >                threadAssertNull(x);
1176 >                threadAssertSame(ex1, t);
1177 >                a.getAndIncrement();
1178 >                throw ex2;
1179 >            });
1180 >        if (createIncomplete) f.completeExceptionally(ex1);
1181  
1182 <        checkCompletedWithWrappedCFException(h, ex);
1183 <        checkCompletedWithWrappedCFException(g, ex);
1184 <        assertEquals(0, r.invocationCount);
1185 <        checkCompletedNormally(f, v1);
1031 <        }
1032 <    }
1182 >        checkCompletedWithWrappedException(g, ex2);
1183 >        checkCompletedExceptionally(f, ex1);
1184 >        assertEquals(1, a.get());
1185 >    }}
1186  
1187 <    public void testThenCombine_exceptionalCompletion4() {
1187 >    public void testHandle_sourceCompletedNormallyActionFailed() {
1188          for (ExecutionMode m : ExecutionMode.values())
1189 <        for (Integer v1 : new Integer[] { 1, null }) {
1190 <
1189 >        for (boolean createIncomplete : new boolean[] { true, false })
1190 >        for (Integer v1 : new Integer[] { 1, null })
1191 >    {
1192          final CompletableFuture<Integer> f = new CompletableFuture<>();
1193 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1040 <        final SubtractFunction r = new SubtractFunction();
1193 >        final AtomicInteger a = new AtomicInteger(0);
1194          final CFException ex = new CFException();
1195 +        if (!createIncomplete) assertTrue(f.complete(v1));
1196 +        final CompletableFuture<Integer> g = m.handle
1197 +            (f,
1198 +             (Integer x, Throwable t) -> {
1199 +                m.checkExecutionMode();
1200 +                threadAssertSame(x, v1);
1201 +                threadAssertNull(t);
1202 +                a.getAndIncrement();
1203 +                throw ex;
1204 +            });
1205 +        if (createIncomplete) assertTrue(f.complete(v1));
1206  
1207 <        f.completeExceptionally(ex);
1208 <        g.complete(v1);
1209 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1210 <
1047 <        checkCompletedWithWrappedCFException(h, ex);
1048 <        checkCompletedWithWrappedCFException(f, ex);
1049 <        assertEquals(0, r.invocationCount);
1050 <        checkCompletedNormally(g, v1);
1051 <        }
1052 <    }
1207 >        checkCompletedWithWrappedException(g, ex);
1208 >        checkCompletedNormally(f, v1);
1209 >        assertEquals(1, a.get());
1210 >    }}
1211  
1212      /**
1213 <     * thenCombine result completes exceptionally if action does
1213 >     * runAsync completes after running Runnable
1214       */
1215 <    public void testThenCombine_actionFailed1() {
1216 <        for (ExecutionMode m : ExecutionMode.values())
1217 <        for (Integer v1 : new Integer[] { 1, null })
1218 <        for (Integer v2 : new Integer[] { 2, null }) {
1219 <
1220 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1221 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1222 <        final FailingBiFunction r = new FailingBiFunction();
1223 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1224 <
1225 <        f.complete(v1);
1226 <        checkIncomplete(h);
1227 <        g.complete(v2);
1215 >    public void testRunAsync_normalCompletion() {
1216 >        ExecutionMode[] executionModes = {
1217 >            ExecutionMode.ASYNC,
1218 >            ExecutionMode.EXECUTOR,
1219 >        };
1220 >        for (ExecutionMode m : executionModes)
1221 >    {
1222 >        final Noop r = new Noop(m);
1223 >        final CompletableFuture<Void> f = m.runAsync(r);
1224 >        assertNull(f.join());
1225 >        checkCompletedNormally(f, null);
1226 >        r.assertInvoked();
1227 >    }}
1228  
1229 <        checkCompletedWithWrappedCFException(h);
1230 <        checkCompletedNormally(f, v1);
1231 <        checkCompletedNormally(g, v2);
1232 <        }
1233 <    }
1229 >    /**
1230 >     * failing runAsync completes exceptionally after running Runnable
1231 >     */
1232 >    public void testRunAsync_exceptionalCompletion() {
1233 >        ExecutionMode[] executionModes = {
1234 >            ExecutionMode.ASYNC,
1235 >            ExecutionMode.EXECUTOR,
1236 >        };
1237 >        for (ExecutionMode m : executionModes)
1238 >    {
1239 >        final FailingRunnable r = new FailingRunnable(m);
1240 >        final CompletableFuture<Void> f = m.runAsync(r);
1241 >        checkCompletedWithWrappedCFException(f);
1242 >        r.assertInvoked();
1243 >    }}
1244  
1245 <    public void testThenCombine_actionFailed2() {
1246 <        for (ExecutionMode m : ExecutionMode.values())
1245 >    /**
1246 >     * supplyAsync completes with result of supplier
1247 >     */
1248 >    public void testSupplyAsync_normalCompletion() {
1249 >        ExecutionMode[] executionModes = {
1250 >            ExecutionMode.ASYNC,
1251 >            ExecutionMode.EXECUTOR,
1252 >        };
1253 >        for (ExecutionMode m : executionModes)
1254          for (Integer v1 : new Integer[] { 1, null })
1255 <        for (Integer v2 : new Integer[] { 2, null }) {
1256 <
1257 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1258 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1084 <        final FailingBiFunction r = new FailingBiFunction();
1085 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1086 <
1087 <        g.complete(v2);
1088 <        checkIncomplete(h);
1089 <        f.complete(v1);
1090 <
1091 <        checkCompletedWithWrappedCFException(h);
1255 >    {
1256 >        final IntegerSupplier r = new IntegerSupplier(m, v1);
1257 >        final CompletableFuture<Integer> f = m.supplyAsync(r);
1258 >        assertSame(v1, f.join());
1259          checkCompletedNormally(f, v1);
1260 <        checkCompletedNormally(g, v2);
1261 <        }
1095 <    }
1260 >        r.assertInvoked();
1261 >    }}
1262  
1263      /**
1264 <     * thenCombine result completes exceptionally if either source cancelled
1264 >     * Failing supplyAsync completes exceptionally
1265       */
1266 <    public void testThenCombine_sourceCancelled1() {
1267 <        for (ExecutionMode m : ExecutionMode.values())
1268 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1269 <        for (Integer v1 : new Integer[] { 1, null }) {
1270 <
1271 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1272 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1273 <        final SubtractFunction r = new SubtractFunction();
1274 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1275 <
1276 <        assertTrue(f.cancel(mayInterruptIfRunning));
1277 <        checkIncomplete(h);
1112 <        g.complete(v1);
1266 >    public void testSupplyAsync_exceptionalCompletion() {
1267 >        ExecutionMode[] executionModes = {
1268 >            ExecutionMode.ASYNC,
1269 >            ExecutionMode.EXECUTOR,
1270 >        };
1271 >        for (ExecutionMode m : executionModes)
1272 >    {
1273 >        FailingSupplier r = new FailingSupplier(m);
1274 >        CompletableFuture<Integer> f = m.supplyAsync(r);
1275 >        checkCompletedWithWrappedCFException(f);
1276 >        r.assertInvoked();
1277 >    }}
1278  
1279 <        checkCompletedWithWrappedCancellationException(h);
1115 <        checkCancelled(f);
1116 <        assertEquals(0, r.invocationCount);
1117 <        checkCompletedNormally(g, v1);
1118 <        }
1119 <    }
1279 >    // seq completion methods
1280  
1281 <    public void testThenCombine_sourceCancelled2() {
1281 >    /**
1282 >     * thenRun result completes normally after normal completion of source
1283 >     */
1284 >    public void testThenRun_normalCompletion() {
1285          for (ExecutionMode m : ExecutionMode.values())
1286 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1287 <        for (Integer v1 : new Integer[] { 1, null }) {
1125 <
1286 >        for (Integer v1 : new Integer[] { 1, null })
1287 >    {
1288          final CompletableFuture<Integer> f = new CompletableFuture<>();
1289 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1290 <        final SubtractFunction r = new SubtractFunction();
1129 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1130 <
1131 <        assertTrue(g.cancel(mayInterruptIfRunning));
1132 <        checkIncomplete(h);
1133 <        f.complete(v1);
1289 >        final Noop[] rs = new Noop[6];
1290 >        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1291  
1292 <        checkCompletedWithWrappedCancellationException(h);
1293 <        checkCancelled(g);
1294 <        assertEquals(0, r.invocationCount);
1292 >        final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1293 >        final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1294 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1295 >        checkIncomplete(h0);
1296 >        checkIncomplete(h1);
1297 >        checkIncomplete(h2);
1298 >        assertTrue(f.complete(v1));
1299 >        final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1300 >        final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1301 >        final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1302 >
1303 >        checkCompletedNormally(h0, null);
1304 >        checkCompletedNormally(h1, null);
1305 >        checkCompletedNormally(h2, null);
1306 >        checkCompletedNormally(h3, null);
1307 >        checkCompletedNormally(h4, null);
1308 >        checkCompletedNormally(h5, null);
1309          checkCompletedNormally(f, v1);
1310 <        }
1311 <    }
1310 >        for (Noop r : rs) r.assertInvoked();
1311 >    }}
1312  
1313 <    public void testThenCombine_sourceCancelled3() {
1313 >    /**
1314 >     * thenRun result completes exceptionally after exceptional
1315 >     * completion of source
1316 >     */
1317 >    public void testThenRun_exceptionalCompletion() {
1318          for (ExecutionMode m : ExecutionMode.values())
1319 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1320 <        for (Integer v1 : new Integer[] { 1, null }) {
1146 <
1319 >    {
1320 >        final CFException ex = new CFException();
1321          final CompletableFuture<Integer> f = new CompletableFuture<>();
1322 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1323 <        final SubtractFunction r = new SubtractFunction();
1150 <
1151 <        assertTrue(g.cancel(mayInterruptIfRunning));
1152 <        f.complete(v1);
1153 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1322 >        final Noop[] rs = new Noop[6];
1323 >        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1324  
1325 <        checkCompletedWithWrappedCancellationException(h);
1326 <        checkCancelled(g);
1327 <        assertEquals(0, r.invocationCount);
1328 <        checkCompletedNormally(f, v1);
1329 <        }
1330 <    }
1325 >        final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1326 >        final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1327 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1328 >        checkIncomplete(h0);
1329 >        checkIncomplete(h1);
1330 >        checkIncomplete(h2);
1331 >        assertTrue(f.completeExceptionally(ex));
1332 >        final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1333 >        final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1334 >        final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1335 >
1336 >        checkCompletedWithWrappedException(h0, ex);
1337 >        checkCompletedWithWrappedException(h1, ex);
1338 >        checkCompletedWithWrappedException(h2, ex);
1339 >        checkCompletedWithWrappedException(h3, ex);
1340 >        checkCompletedWithWrappedException(h4, ex);
1341 >        checkCompletedWithWrappedException(h5, ex);
1342 >        checkCompletedExceptionally(f, ex);
1343 >        for (Noop r : rs) r.assertNotInvoked();
1344 >    }}
1345  
1346 <    public void testThenCombine_sourceCancelled4() {
1346 >    /**
1347 >     * thenRun result completes exceptionally if source cancelled
1348 >     */
1349 >    public void testThenRun_sourceCancelled() {
1350          for (ExecutionMode m : ExecutionMode.values())
1351          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1352 <        for (Integer v1 : new Integer[] { 1, null }) {
1166 <
1352 >    {
1353          final CompletableFuture<Integer> f = new CompletableFuture<>();
1354 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1355 <        final SubtractFunction r = new SubtractFunction();
1354 >        final Noop[] rs = new Noop[6];
1355 >        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1356  
1357 +        final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1358 +        final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1359 +        final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1360 +        checkIncomplete(h0);
1361 +        checkIncomplete(h1);
1362 +        checkIncomplete(h2);
1363          assertTrue(f.cancel(mayInterruptIfRunning));
1364 <        g.complete(v1);
1365 <        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1366 <
1367 <        checkCompletedWithWrappedCancellationException(h);
1364 >        final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1365 >        final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1366 >        final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1367 >
1368 >        checkCompletedWithWrappedCancellationException(h0);
1369 >        checkCompletedWithWrappedCancellationException(h1);
1370 >        checkCompletedWithWrappedCancellationException(h2);
1371 >        checkCompletedWithWrappedCancellationException(h3);
1372 >        checkCompletedWithWrappedCancellationException(h4);
1373 >        checkCompletedWithWrappedCancellationException(h5);
1374          checkCancelled(f);
1375 <        assertEquals(0, r.invocationCount);
1376 <        checkCompletedNormally(g, v1);
1179 <        }
1180 <    }
1375 >        for (Noop r : rs) r.assertNotInvoked();
1376 >    }}
1377  
1378      /**
1379 <     * thenAcceptBoth result completes normally after normal
1184 <     * completion of sources
1379 >     * thenRun result completes exceptionally if action does
1380       */
1381 <    public void testThenAcceptBoth_normalCompletion1() {
1187 <        for (ExecutionMode m : ExecutionMode.values())
1188 <        for (Integer v1 : new Integer[] { 1, null })
1189 <        for (Integer v2 : new Integer[] { 2, null }) {
1190 <
1191 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1192 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1193 <        final SubtractAction r = new SubtractAction();
1194 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1195 <
1196 <        f.complete(v1);
1197 <        checkIncomplete(h);
1198 <        assertEquals(0, r.invocationCount);
1199 <        g.complete(v2);
1200 <
1201 <        checkCompletedNormally(h, null);
1202 <        assertEquals(r.value, subtract(v1, v2));
1203 <        checkCompletedNormally(f, v1);
1204 <        checkCompletedNormally(g, v2);
1205 <        }
1206 <    }
1207 <
1208 <    public void testThenAcceptBoth_normalCompletion2() {
1381 >    public void testThenRun_actionFailed() {
1382          for (ExecutionMode m : ExecutionMode.values())
1383          for (Integer v1 : new Integer[] { 1, null })
1384 <        for (Integer v2 : new Integer[] { 2, null }) {
1212 <
1384 >    {
1385          final CompletableFuture<Integer> f = new CompletableFuture<>();
1386 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1387 <        final SubtractAction r = new SubtractAction();
1216 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1386 >        final FailingRunnable[] rs = new FailingRunnable[6];
1387 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1388  
1389 <        g.complete(v2);
1390 <        checkIncomplete(h);
1391 <        assertEquals(0, r.invocationCount);
1392 <        f.complete(v1);
1393 <
1394 <        checkCompletedNormally(h, null);
1395 <        assertEquals(r.value, subtract(v1, v2));
1389 >        final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1390 >        final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1391 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1392 >        assertTrue(f.complete(v1));
1393 >        final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1394 >        final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1395 >        final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1396 >
1397 >        checkCompletedWithWrappedCFException(h0);
1398 >        checkCompletedWithWrappedCFException(h1);
1399 >        checkCompletedWithWrappedCFException(h2);
1400 >        checkCompletedWithWrappedCFException(h3);
1401 >        checkCompletedWithWrappedCFException(h4);
1402 >        checkCompletedWithWrappedCFException(h5);
1403          checkCompletedNormally(f, v1);
1404 <        checkCompletedNormally(g, v2);
1227 <        }
1228 <    }
1404 >    }}
1405  
1406 <    public void testThenAcceptBoth_normalCompletion3() {
1407 <        for (ExecutionMode m : ExecutionMode.values())
1408 <        for (Integer v1 : new Integer[] { 1, null })
1409 <        for (Integer v2 : new Integer[] { 2, null }) {
1234 <
1235 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1236 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1237 <        final SubtractAction r = new SubtractAction();
1238 <
1239 <        g.complete(v2);
1240 <        f.complete(v1);
1241 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1242 <
1243 <        checkCompletedNormally(h, null);
1244 <        assertEquals(r.value, subtract(v1, v2));
1245 <        checkCompletedNormally(f, v1);
1246 <        checkCompletedNormally(g, v2);
1247 <        }
1248 <    }
1249 <
1250 <    public void testThenAcceptBoth_normalCompletion4() {
1406 >    /**
1407 >     * thenApply result completes normally after normal completion of source
1408 >     */
1409 >    public void testThenApply_normalCompletion() {
1410          for (ExecutionMode m : ExecutionMode.values())
1411          for (Integer v1 : new Integer[] { 1, null })
1412 <        for (Integer v2 : new Integer[] { 2, null }) {
1254 <
1412 >    {
1413          final CompletableFuture<Integer> f = new CompletableFuture<>();
1414 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1415 <        final SubtractAction r = new SubtractAction();
1414 >        final IncFunction[] rs = new IncFunction[4];
1415 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1416  
1417 <        f.complete(v1);
1418 <        g.complete(v2);
1419 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1417 >        final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1418 >        final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1419 >        checkIncomplete(h0);
1420 >        checkIncomplete(h1);
1421 >        assertTrue(f.complete(v1));
1422 >        final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1423 >        final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1424  
1425 <        checkCompletedNormally(h, null);
1426 <        assertEquals(r.value, subtract(v1, v2));
1425 >        checkCompletedNormally(h0, inc(v1));
1426 >        checkCompletedNormally(h1, inc(v1));
1427 >        checkCompletedNormally(h2, inc(v1));
1428 >        checkCompletedNormally(h3, inc(v1));
1429          checkCompletedNormally(f, v1);
1430 <        checkCompletedNormally(g, v2);
1431 <        }
1268 <    }
1430 >        for (IncFunction r : rs) r.assertValue(inc(v1));
1431 >    }}
1432  
1433      /**
1434 <     * thenAcceptBoth result completes exceptionally after exceptional
1435 <     * completion of either source
1434 >     * thenApply result completes exceptionally after exceptional
1435 >     * completion of source
1436       */
1437 <    public void testThenAcceptBoth_exceptionalCompletion1() {
1437 >    public void testThenApply_exceptionalCompletion() {
1438          for (ExecutionMode m : ExecutionMode.values())
1439 <        for (Integer v1 : new Integer[] { 1, null }) {
1277 <
1278 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1279 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1280 <        final SubtractAction r = new SubtractAction();
1281 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1439 >    {
1440          final CFException ex = new CFException();
1283
1284        f.completeExceptionally(ex);
1285        checkIncomplete(h);
1286        g.complete(v1);
1287
1288        checkCompletedWithWrappedCFException(h, ex);
1289        checkCompletedWithWrappedCFException(f, ex);
1290        assertEquals(0, r.invocationCount);
1291        checkCompletedNormally(g, v1);
1292        }
1293    }
1294
1295    public void testThenAcceptBoth_exceptionalCompletion2() {
1296        for (ExecutionMode m : ExecutionMode.values())
1297        for (Integer v1 : new Integer[] { 1, null }) {
1298
1441          final CompletableFuture<Integer> f = new CompletableFuture<>();
1442 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1443 <        final SubtractAction r = new SubtractAction();
1302 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1303 <        final CFException ex = new CFException();
1304 <
1305 <        g.completeExceptionally(ex);
1306 <        checkIncomplete(h);
1307 <        f.complete(v1);
1442 >        final IncFunction[] rs = new IncFunction[4];
1443 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1444  
1445 <        checkCompletedWithWrappedCFException(h, ex);
1446 <        checkCompletedWithWrappedCFException(g, ex);
1447 <        assertEquals(0, r.invocationCount);
1448 <        checkCompletedNormally(f, v1);
1449 <        }
1450 <    }
1445 >        final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1446 >        final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1447 >        assertTrue(f.completeExceptionally(ex));
1448 >        final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1449 >        final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1450 >
1451 >        checkCompletedWithWrappedException(h0, ex);
1452 >        checkCompletedWithWrappedException(h1, ex);
1453 >        checkCompletedWithWrappedException(h2, ex);
1454 >        checkCompletedWithWrappedException(h3, ex);
1455 >        checkCompletedExceptionally(f, ex);
1456 >        for (IncFunction r : rs) r.assertNotInvoked();
1457 >    }}
1458  
1459 <    public void testThenAcceptBoth_exceptionalCompletion3() {
1459 >    /**
1460 >     * thenApply result completes exceptionally if source cancelled
1461 >     */
1462 >    public void testThenApply_sourceCancelled() {
1463          for (ExecutionMode m : ExecutionMode.values())
1464 <        for (Integer v1 : new Integer[] { 1, null }) {
1465 <
1464 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1465 >    {
1466          final CompletableFuture<Integer> f = new CompletableFuture<>();
1467 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1468 <        final SubtractAction r = new SubtractAction();
1323 <        final CFException ex = new CFException();
1467 >        final IncFunction[] rs = new IncFunction[4];
1468 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1469  
1470 <        g.completeExceptionally(ex);
1471 <        f.complete(v1);
1472 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1470 >        final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1471 >        final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1472 >        assertTrue(f.cancel(mayInterruptIfRunning));
1473 >        final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1474 >        final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1475  
1476 <        checkCompletedWithWrappedCFException(h, ex);
1477 <        checkCompletedWithWrappedCFException(g, ex);
1478 <        assertEquals(0, r.invocationCount);
1479 <        checkCompletedNormally(f, v1);
1480 <        }
1481 <    }
1476 >        checkCompletedWithWrappedCancellationException(h0);
1477 >        checkCompletedWithWrappedCancellationException(h1);
1478 >        checkCompletedWithWrappedCancellationException(h2);
1479 >        checkCompletedWithWrappedCancellationException(h3);
1480 >        checkCancelled(f);
1481 >        for (IncFunction r : rs) r.assertNotInvoked();
1482 >    }}
1483  
1484 <    public void testThenAcceptBoth_exceptionalCompletion4() {
1484 >    /**
1485 >     * thenApply result completes exceptionally if action does
1486 >     */
1487 >    public void testThenApply_actionFailed() {
1488          for (ExecutionMode m : ExecutionMode.values())
1489 <        for (Integer v1 : new Integer[] { 1, null }) {
1490 <
1489 >        for (Integer v1 : new Integer[] { 1, null })
1490 >    {
1491          final CompletableFuture<Integer> f = new CompletableFuture<>();
1492 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1493 <        final SubtractAction r = new SubtractAction();
1343 <        final CFException ex = new CFException();
1492 >        final FailingFunction[] rs = new FailingFunction[4];
1493 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1494  
1495 <        f.completeExceptionally(ex);
1496 <        g.complete(v1);
1497 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1495 >        final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1496 >        final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1497 >        assertTrue(f.complete(v1));
1498 >        final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1499 >        final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1500  
1501 <        checkCompletedWithWrappedCFException(h, ex);
1502 <        checkCompletedWithWrappedCFException(f, ex);
1503 <        assertEquals(0, r.invocationCount);
1504 <        checkCompletedNormally(g, v1);
1505 <        }
1506 <    }
1501 >        checkCompletedWithWrappedCFException(h0);
1502 >        checkCompletedWithWrappedCFException(h1);
1503 >        checkCompletedWithWrappedCFException(h2);
1504 >        checkCompletedWithWrappedCFException(h3);
1505 >        checkCompletedNormally(f, v1);
1506 >    }}
1507  
1508      /**
1509 <     * thenAcceptBoth result completes exceptionally if action does
1509 >     * thenAccept result completes normally after normal completion of source
1510       */
1511 <    public void testThenAcceptBoth_actionFailed1() {
1511 >    public void testThenAccept_normalCompletion() {
1512          for (ExecutionMode m : ExecutionMode.values())
1513          for (Integer v1 : new Integer[] { 1, null })
1514 <        for (Integer v2 : new Integer[] { 2, null }) {
1363 <
1514 >    {
1515          final CompletableFuture<Integer> f = new CompletableFuture<>();
1516 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1517 <        final FailingBiConsumer r = new FailingBiConsumer();
1367 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1516 >        final NoopConsumer[] rs = new NoopConsumer[4];
1517 >        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1518  
1519 <        f.complete(v1);
1520 <        checkIncomplete(h);
1521 <        g.complete(v2);
1519 >        final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1520 >        final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1521 >        checkIncomplete(h0);
1522 >        checkIncomplete(h1);
1523 >        assertTrue(f.complete(v1));
1524 >        final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1525 >        final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1526  
1527 <        checkCompletedWithWrappedCFException(h);
1527 >        checkCompletedNormally(h0, null);
1528 >        checkCompletedNormally(h1, null);
1529 >        checkCompletedNormally(h2, null);
1530 >        checkCompletedNormally(h3, null);
1531          checkCompletedNormally(f, v1);
1532 <        checkCompletedNormally(g, v2);
1533 <        }
1377 <    }
1532 >        for (NoopConsumer r : rs) r.assertValue(v1);
1533 >    }}
1534  
1535 <    public void testThenAcceptBoth_actionFailed2() {
1535 >    /**
1536 >     * thenAccept result completes exceptionally after exceptional
1537 >     * completion of source
1538 >     */
1539 >    public void testThenAccept_exceptionalCompletion() {
1540          for (ExecutionMode m : ExecutionMode.values())
1541 <        for (Integer v1 : new Integer[] { 1, null })
1542 <        for (Integer v2 : new Integer[] { 2, null }) {
1383 <
1541 >    {
1542 >        final CFException ex = new CFException();
1543          final CompletableFuture<Integer> f = new CompletableFuture<>();
1544 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1545 <        final FailingBiConsumer r = new FailingBiConsumer();
1387 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1544 >        final NoopConsumer[] rs = new NoopConsumer[4];
1545 >        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1546  
1547 <        g.complete(v2);
1548 <        checkIncomplete(h);
1549 <        f.complete(v1);
1550 <
1551 <        checkCompletedWithWrappedCFException(h);
1552 <        checkCompletedNormally(f, v1);
1553 <        checkCompletedNormally(g, v2);
1554 <        }
1555 <    }
1547 >        final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1548 >        final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1549 >        assertTrue(f.completeExceptionally(ex));
1550 >        final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1551 >        final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1552 >
1553 >        checkCompletedWithWrappedException(h0, ex);
1554 >        checkCompletedWithWrappedException(h1, ex);
1555 >        checkCompletedWithWrappedException(h2, ex);
1556 >        checkCompletedWithWrappedException(h3, ex);
1557 >        checkCompletedExceptionally(f, ex);
1558 >        for (NoopConsumer r : rs) r.assertNotInvoked();
1559 >    }}
1560  
1561      /**
1562 <     * thenAcceptBoth result completes exceptionally if either source cancelled
1562 >     * thenAccept result completes exceptionally if source cancelled
1563       */
1564 <    public void testThenAcceptBoth_sourceCancelled1() {
1564 >    public void testThenAccept_sourceCancelled() {
1565          for (ExecutionMode m : ExecutionMode.values())
1566          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1567 <        for (Integer v1 : new Integer[] { 1, null }) {
1406 <
1567 >    {
1568          final CompletableFuture<Integer> f = new CompletableFuture<>();
1569 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1570 <        final SubtractAction r = new SubtractAction();
1410 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1569 >        final NoopConsumer[] rs = new NoopConsumer[4];
1570 >        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1571  
1572 +        final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1573 +        final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1574          assertTrue(f.cancel(mayInterruptIfRunning));
1575 <        checkIncomplete(h);
1576 <        g.complete(v1);
1575 >        final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1576 >        final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1577  
1578 <        checkCompletedWithWrappedCancellationException(h);
1578 >        checkCompletedWithWrappedCancellationException(h0);
1579 >        checkCompletedWithWrappedCancellationException(h1);
1580 >        checkCompletedWithWrappedCancellationException(h2);
1581 >        checkCompletedWithWrappedCancellationException(h3);
1582          checkCancelled(f);
1583 <        assertEquals(0, r.invocationCount);
1584 <        checkCompletedNormally(g, v1);
1420 <        }
1421 <    }
1583 >        for (NoopConsumer r : rs) r.assertNotInvoked();
1584 >    }}
1585  
1586 <    public void testThenAcceptBoth_sourceCancelled2() {
1586 >    /**
1587 >     * thenAccept result completes exceptionally if action does
1588 >     */
1589 >    public void testThenAccept_actionFailed() {
1590          for (ExecutionMode m : ExecutionMode.values())
1591 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1592 <        for (Integer v1 : new Integer[] { 1, null }) {
1427 <
1591 >        for (Integer v1 : new Integer[] { 1, null })
1592 >    {
1593          final CompletableFuture<Integer> f = new CompletableFuture<>();
1594 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1595 <        final SubtractAction r = new SubtractAction();
1431 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1594 >        final FailingConsumer[] rs = new FailingConsumer[4];
1595 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1596  
1597 <        assertTrue(g.cancel(mayInterruptIfRunning));
1598 <        checkIncomplete(h);
1599 <        f.complete(v1);
1597 >        final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1598 >        final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1599 >        assertTrue(f.complete(v1));
1600 >        final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1601 >        final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1602  
1603 <        checkCompletedWithWrappedCancellationException(h);
1604 <        checkCancelled(g);
1605 <        assertEquals(0, r.invocationCount);
1603 >        checkCompletedWithWrappedCFException(h0);
1604 >        checkCompletedWithWrappedCFException(h1);
1605 >        checkCompletedWithWrappedCFException(h2);
1606 >        checkCompletedWithWrappedCFException(h3);
1607          checkCompletedNormally(f, v1);
1608 <        }
1442 <    }
1608 >    }}
1609  
1610 <    public void testThenAcceptBoth_sourceCancelled3() {
1610 >    /**
1611 >     * thenCombine result completes normally after normal completion
1612 >     * of sources
1613 >     */
1614 >    public void testThenCombine_normalCompletion() {
1615          for (ExecutionMode m : ExecutionMode.values())
1616 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1617 <        for (Integer v1 : new Integer[] { 1, null }) {
1618 <
1616 >        for (boolean fFirst : new boolean[] { true, false })
1617 >        for (Integer v1 : new Integer[] { 1, null })
1618 >        for (Integer v2 : new Integer[] { 2, null })
1619 >    {
1620          final CompletableFuture<Integer> f = new CompletableFuture<>();
1621          final CompletableFuture<Integer> g = new CompletableFuture<>();
1622 <        final SubtractAction r = new SubtractAction();
1622 >        final SubtractFunction[] rs = new SubtractFunction[6];
1623 >        for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1624  
1625 <        assertTrue(g.cancel(mayInterruptIfRunning));
1626 <        f.complete(v1);
1627 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1625 >        final CompletableFuture<Integer> fst =  fFirst ? f : g;
1626 >        final CompletableFuture<Integer> snd = !fFirst ? f : g;
1627 >        final Integer w1 =  fFirst ? v1 : v2;
1628 >        final Integer w2 = !fFirst ? v1 : v2;
1629 >
1630 >        final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1631 >        final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1632 >        assertTrue(fst.complete(w1));
1633 >        final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1634 >        final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1635 >        checkIncomplete(h0); rs[0].assertNotInvoked();
1636 >        checkIncomplete(h2); rs[2].assertNotInvoked();
1637 >        checkCompletedNormally(h1, subtract(w1, w1));
1638 >        checkCompletedNormally(h3, subtract(w1, w1));
1639 >        rs[1].assertValue(subtract(w1, w1));
1640 >        rs[3].assertValue(subtract(w1, w1));
1641 >        assertTrue(snd.complete(w2));
1642 >        final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1643 >
1644 >        checkCompletedNormally(h0, subtract(v1, v2));
1645 >        checkCompletedNormally(h2, subtract(v1, v2));
1646 >        checkCompletedNormally(h4, subtract(v1, v2));
1647 >        rs[0].assertValue(subtract(v1, v2));
1648 >        rs[2].assertValue(subtract(v1, v2));
1649 >        rs[4].assertValue(subtract(v1, v2));
1650  
1457        checkCompletedWithWrappedCancellationException(h);
1458        checkCancelled(g);
1459        assertEquals(0, r.invocationCount);
1651          checkCompletedNormally(f, v1);
1652 <        }
1653 <    }
1463 <
1464 <    public void testThenAcceptBoth_sourceCancelled4() {
1465 <        for (ExecutionMode m : ExecutionMode.values())
1466 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1467 <        for (Integer v1 : new Integer[] { 1, null }) {
1468 <
1469 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1470 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1471 <        final SubtractAction r = new SubtractAction();
1472 <
1473 <        assertTrue(f.cancel(mayInterruptIfRunning));
1474 <        g.complete(v1);
1475 <        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1476 <
1477 <        checkCompletedWithWrappedCancellationException(h);
1478 <        checkCancelled(f);
1479 <        assertEquals(0, r.invocationCount);
1480 <        checkCompletedNormally(g, v1);
1481 <        }
1482 <    }
1652 >        checkCompletedNormally(g, v2);
1653 >    }}
1654  
1655      /**
1656 <     * runAfterBoth result completes normally after normal
1657 <     * completion of sources
1656 >     * thenCombine result completes exceptionally after exceptional
1657 >     * completion of either source
1658       */
1659 <    public void testRunAfterBoth_normalCompletion1() {
1659 >    public void testThenCombine_exceptionalCompletion() throws Throwable {
1660          for (ExecutionMode m : ExecutionMode.values())
1661 +        for (boolean fFirst : new boolean[] { true, false })
1662 +        for (boolean failFirst : new boolean[] { true, false })
1663          for (Integer v1 : new Integer[] { 1, null })
1664 <        for (Integer v2 : new Integer[] { 2, null }) {
1492 <
1664 >    {
1665          final CompletableFuture<Integer> f = new CompletableFuture<>();
1666          final CompletableFuture<Integer> g = new CompletableFuture<>();
1667 <        final Noop r = new Noop();
1668 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1669 <
1670 <        f.complete(v1);
1671 <        checkIncomplete(h);
1672 <        assertEquals(0, r.invocationCount);
1673 <        g.complete(v2);
1674 <
1675 <        checkCompletedNormally(h, null);
1676 <        assertEquals(1, r.invocationCount);
1677 <        checkCompletedNormally(f, v1);
1678 <        checkCompletedNormally(g, v2);
1679 <        }
1680 <    }
1667 >        final CFException ex = new CFException();
1668 >        final SubtractFunction r1 = new SubtractFunction(m);
1669 >        final SubtractFunction r2 = new SubtractFunction(m);
1670 >        final SubtractFunction r3 = new SubtractFunction(m);
1671 >
1672 >        final CompletableFuture<Integer> fst =  fFirst ? f : g;
1673 >        final CompletableFuture<Integer> snd = !fFirst ? f : g;
1674 >        final Callable<Boolean> complete1 = failFirst ?
1675 >            () -> fst.completeExceptionally(ex) :
1676 >            () -> fst.complete(v1);
1677 >        final Callable<Boolean> complete2 = failFirst ?
1678 >            () -> snd.complete(v1) :
1679 >            () -> snd.completeExceptionally(ex);
1680 >
1681 >        final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1682 >        assertTrue(complete1.call());
1683 >        final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1684 >        checkIncomplete(h1);
1685 >        checkIncomplete(h2);
1686 >        assertTrue(complete2.call());
1687 >        final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1688 >
1689 >        checkCompletedWithWrappedException(h1, ex);
1690 >        checkCompletedWithWrappedException(h2, ex);
1691 >        checkCompletedWithWrappedException(h3, ex);
1692 >        r1.assertNotInvoked();
1693 >        r2.assertNotInvoked();
1694 >        r3.assertNotInvoked();
1695 >        checkCompletedNormally(failFirst ? snd : fst, v1);
1696 >        checkCompletedExceptionally(failFirst ? fst : snd, ex);
1697 >    }}
1698  
1699 <    public void testRunAfterBoth_normalCompletion2() {
1699 >    /**
1700 >     * thenCombine result completes exceptionally if either source cancelled
1701 >     */
1702 >    public void testThenCombine_sourceCancelled() throws Throwable {
1703          for (ExecutionMode m : ExecutionMode.values())
1704 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1705 +        for (boolean fFirst : new boolean[] { true, false })
1706 +        for (boolean failFirst : new boolean[] { true, false })
1707          for (Integer v1 : new Integer[] { 1, null })
1708 <        for (Integer v2 : new Integer[] { 2, null }) {
1514 <
1708 >    {
1709          final CompletableFuture<Integer> f = new CompletableFuture<>();
1710          final CompletableFuture<Integer> g = new CompletableFuture<>();
1711 <        final Noop r = new Noop();
1712 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1713 <
1714 <        g.complete(v2);
1715 <        checkIncomplete(h);
1716 <        assertEquals(0, r.invocationCount);
1717 <        f.complete(v1);
1711 >        final SubtractFunction r1 = new SubtractFunction(m);
1712 >        final SubtractFunction r2 = new SubtractFunction(m);
1713 >        final SubtractFunction r3 = new SubtractFunction(m);
1714 >
1715 >        final CompletableFuture<Integer> fst =  fFirst ? f : g;
1716 >        final CompletableFuture<Integer> snd = !fFirst ? f : g;
1717 >        final Callable<Boolean> complete1 = failFirst ?
1718 >            () -> fst.cancel(mayInterruptIfRunning) :
1719 >            () -> fst.complete(v1);
1720 >        final Callable<Boolean> complete2 = failFirst ?
1721 >            () -> snd.complete(v1) :
1722 >            () -> snd.cancel(mayInterruptIfRunning);
1723 >
1724 >        final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1725 >        assertTrue(complete1.call());
1726 >        final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1727 >        checkIncomplete(h1);
1728 >        checkIncomplete(h2);
1729 >        assertTrue(complete2.call());
1730 >        final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1731 >
1732 >        checkCompletedWithWrappedCancellationException(h1);
1733 >        checkCompletedWithWrappedCancellationException(h2);
1734 >        checkCompletedWithWrappedCancellationException(h3);
1735 >        r1.assertNotInvoked();
1736 >        r2.assertNotInvoked();
1737 >        r3.assertNotInvoked();
1738 >        checkCompletedNormally(failFirst ? snd : fst, v1);
1739 >        checkCancelled(failFirst ? fst : snd);
1740 >    }}
1741  
1742 <        checkCompletedNormally(h, null);
1743 <        assertEquals(1, r.invocationCount);
1744 <        checkCompletedNormally(f, v1);
1745 <        checkCompletedNormally(g, v2);
1529 <        }
1530 <    }
1531 <
1532 <    public void testRunAfterBoth_normalCompletion3() {
1742 >    /**
1743 >     * thenCombine result completes exceptionally if action does
1744 >     */
1745 >    public void testThenCombine_actionFailed() {
1746          for (ExecutionMode m : ExecutionMode.values())
1747 +        for (boolean fFirst : new boolean[] { true, false })
1748          for (Integer v1 : new Integer[] { 1, null })
1749 <        for (Integer v2 : new Integer[] { 2, null }) {
1750 <
1749 >        for (Integer v2 : new Integer[] { 2, null })
1750 >    {
1751          final CompletableFuture<Integer> f = new CompletableFuture<>();
1752          final CompletableFuture<Integer> g = new CompletableFuture<>();
1753 <        final Noop r = new Noop();
1754 <
1755 <        g.complete(v2);
1756 <        f.complete(v1);
1757 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1758 <
1759 <        checkCompletedNormally(h, null);
1760 <        assertEquals(1, r.invocationCount);
1753 >        final FailingBiFunction r1 = new FailingBiFunction(m);
1754 >        final FailingBiFunction r2 = new FailingBiFunction(m);
1755 >        final FailingBiFunction r3 = new FailingBiFunction(m);
1756 >
1757 >        final CompletableFuture<Integer> fst =  fFirst ? f : g;
1758 >        final CompletableFuture<Integer> snd = !fFirst ? f : g;
1759 >        final Integer w1 =  fFirst ? v1 : v2;
1760 >        final Integer w2 = !fFirst ? v1 : v2;
1761 >
1762 >        final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1763 >        assertTrue(fst.complete(w1));
1764 >        final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1765 >        assertTrue(snd.complete(w2));
1766 >        final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1767 >
1768 >        checkCompletedWithWrappedCFException(h1);
1769 >        checkCompletedWithWrappedCFException(h2);
1770 >        checkCompletedWithWrappedCFException(h3);
1771 >        r1.assertInvoked();
1772 >        r2.assertInvoked();
1773 >        r3.assertInvoked();
1774          checkCompletedNormally(f, v1);
1775          checkCompletedNormally(g, v2);
1776 <        }
1550 <    }
1776 >    }}
1777  
1778 <    public void testRunAfterBoth_normalCompletion4() {
1778 >    /**
1779 >     * thenAcceptBoth result completes normally after normal
1780 >     * completion of sources
1781 >     */
1782 >    public void testThenAcceptBoth_normalCompletion() {
1783          for (ExecutionMode m : ExecutionMode.values())
1784 +        for (boolean fFirst : new boolean[] { true, false })
1785          for (Integer v1 : new Integer[] { 1, null })
1786 <        for (Integer v2 : new Integer[] { 2, null }) {
1787 <
1786 >        for (Integer v2 : new Integer[] { 2, null })
1787 >    {
1788          final CompletableFuture<Integer> f = new CompletableFuture<>();
1789          final CompletableFuture<Integer> g = new CompletableFuture<>();
1790 <        final Noop r = new Noop();
1791 <
1792 <        f.complete(v1);
1793 <        g.complete(v2);
1794 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1795 <
1796 <        checkCompletedNormally(h, null);
1797 <        assertEquals(1, r.invocationCount);
1790 >        final SubtractAction r1 = new SubtractAction(m);
1791 >        final SubtractAction r2 = new SubtractAction(m);
1792 >        final SubtractAction r3 = new SubtractAction(m);
1793 >
1794 >        final CompletableFuture<Integer> fst =  fFirst ? f : g;
1795 >        final CompletableFuture<Integer> snd = !fFirst ? f : g;
1796 >        final Integer w1 =  fFirst ? v1 : v2;
1797 >        final Integer w2 = !fFirst ? v1 : v2;
1798 >
1799 >        final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1800 >        assertTrue(fst.complete(w1));
1801 >        final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1802 >        checkIncomplete(h1);
1803 >        checkIncomplete(h2);
1804 >        r1.assertNotInvoked();
1805 >        r2.assertNotInvoked();
1806 >        assertTrue(snd.complete(w2));
1807 >        final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1808 >
1809 >        checkCompletedNormally(h1, null);
1810 >        checkCompletedNormally(h2, null);
1811 >        checkCompletedNormally(h3, null);
1812 >        r1.assertValue(subtract(v1, v2));
1813 >        r2.assertValue(subtract(v1, v2));
1814 >        r3.assertValue(subtract(v1, v2));
1815          checkCompletedNormally(f, v1);
1816          checkCompletedNormally(g, v2);
1817 <        }
1570 <    }
1817 >    }}
1818  
1819      /**
1820 <     * runAfterBoth result completes exceptionally after exceptional
1820 >     * thenAcceptBoth result completes exceptionally after exceptional
1821       * completion of either source
1822       */
1823 <    public void testRunAfterBoth_exceptionalCompletion1() {
1823 >    public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1824          for (ExecutionMode m : ExecutionMode.values())
1825 <        for (Integer v1 : new Integer[] { 1, null }) {
1826 <
1827 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1828 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1582 <        final Noop r = new Noop();
1583 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1584 <        final CFException ex = new CFException();
1585 <
1586 <        f.completeExceptionally(ex);
1587 <        checkIncomplete(h);
1588 <        g.complete(v1);
1589 <
1590 <        checkCompletedWithWrappedCFException(h, ex);
1591 <        checkCompletedWithWrappedCFException(f, ex);
1592 <        assertEquals(0, r.invocationCount);
1593 <        checkCompletedNormally(g, v1);
1594 <        }
1595 <    }
1596 <
1597 <    public void testRunAfterBoth_exceptionalCompletion2() {
1598 <        for (ExecutionMode m : ExecutionMode.values())
1599 <        for (Integer v1 : new Integer[] { 1, null }) {
1600 <
1601 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1602 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1603 <        final Noop r = new Noop();
1604 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1605 <        final CFException ex = new CFException();
1606 <
1607 <        g.completeExceptionally(ex);
1608 <        checkIncomplete(h);
1609 <        f.complete(v1);
1610 <
1611 <        checkCompletedWithWrappedCFException(h, ex);
1612 <        checkCompletedWithWrappedCFException(g, ex);
1613 <        assertEquals(0, r.invocationCount);
1614 <        checkCompletedNormally(f, v1);
1615 <        }
1616 <    }
1617 <
1618 <    public void testRunAfterBoth_exceptionalCompletion3() {
1619 <        for (ExecutionMode m : ExecutionMode.values())
1620 <        for (Integer v1 : new Integer[] { 1, null }) {
1621 <
1825 >        for (boolean fFirst : new boolean[] { true, false })
1826 >        for (boolean failFirst : new boolean[] { true, false })
1827 >        for (Integer v1 : new Integer[] { 1, null })
1828 >    {
1829          final CompletableFuture<Integer> f = new CompletableFuture<>();
1830          final CompletableFuture<Integer> g = new CompletableFuture<>();
1624        final Noop r = new Noop();
1831          final CFException ex = new CFException();
1832 +        final SubtractAction r1 = new SubtractAction(m);
1833 +        final SubtractAction r2 = new SubtractAction(m);
1834 +        final SubtractAction r3 = new SubtractAction(m);
1835 +
1836 +        final CompletableFuture<Integer> fst =  fFirst ? f : g;
1837 +        final CompletableFuture<Integer> snd = !fFirst ? f : g;
1838 +        final Callable<Boolean> complete1 = failFirst ?
1839 +            () -> fst.completeExceptionally(ex) :
1840 +            () -> fst.complete(v1);
1841 +        final Callable<Boolean> complete2 = failFirst ?
1842 +            () -> snd.complete(v1) :
1843 +            () -> snd.completeExceptionally(ex);
1844 +
1845 +        final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1846 +        assertTrue(complete1.call());
1847 +        final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1848 +        checkIncomplete(h1);
1849 +        checkIncomplete(h2);
1850 +        assertTrue(complete2.call());
1851 +        final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1852 +
1853 +        checkCompletedWithWrappedException(h1, ex);
1854 +        checkCompletedWithWrappedException(h2, ex);
1855 +        checkCompletedWithWrappedException(h3, ex);
1856 +        r1.assertNotInvoked();
1857 +        r2.assertNotInvoked();
1858 +        r3.assertNotInvoked();
1859 +        checkCompletedNormally(failFirst ? snd : fst, v1);
1860 +        checkCompletedExceptionally(failFirst ? fst : snd, ex);
1861 +    }}
1862  
1863 <        g.completeExceptionally(ex);
1864 <        f.complete(v1);
1865 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1866 <
1631 <        checkCompletedWithWrappedCFException(h, ex);
1632 <        checkCompletedWithWrappedCFException(g, ex);
1633 <        assertEquals(0, r.invocationCount);
1634 <        checkCompletedNormally(f, v1);
1635 <        }
1636 <    }
1637 <
1638 <    public void testRunAfterBoth_exceptionalCompletion4() {
1863 >    /**
1864 >     * thenAcceptBoth result completes exceptionally if either source cancelled
1865 >     */
1866 >    public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1867          for (ExecutionMode m : ExecutionMode.values())
1868 <        for (Integer v1 : new Integer[] { 1, null }) {
1869 <
1868 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1869 >        for (boolean fFirst : new boolean[] { true, false })
1870 >        for (boolean failFirst : new boolean[] { true, false })
1871 >        for (Integer v1 : new Integer[] { 1, null })
1872 >    {
1873          final CompletableFuture<Integer> f = new CompletableFuture<>();
1874          final CompletableFuture<Integer> g = new CompletableFuture<>();
1875 <        final Noop r = new Noop();
1876 <        final CFException ex = new CFException();
1877 <
1878 <        f.completeExceptionally(ex);
1879 <        g.complete(v1);
1880 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1881 <
1882 <        checkCompletedWithWrappedCFException(h, ex);
1883 <        checkCompletedWithWrappedCFException(f, ex);
1884 <        assertEquals(0, r.invocationCount);
1885 <        checkCompletedNormally(g, v1);
1886 <        }
1887 <    }
1875 >        final SubtractAction r1 = new SubtractAction(m);
1876 >        final SubtractAction r2 = new SubtractAction(m);
1877 >        final SubtractAction r3 = new SubtractAction(m);
1878 >
1879 >        final CompletableFuture<Integer> fst =  fFirst ? f : g;
1880 >        final CompletableFuture<Integer> snd = !fFirst ? f : g;
1881 >        final Callable<Boolean> complete1 = failFirst ?
1882 >            () -> fst.cancel(mayInterruptIfRunning) :
1883 >            () -> fst.complete(v1);
1884 >        final Callable<Boolean> complete2 = failFirst ?
1885 >            () -> snd.complete(v1) :
1886 >            () -> snd.cancel(mayInterruptIfRunning);
1887 >
1888 >        final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1889 >        assertTrue(complete1.call());
1890 >        final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1891 >        checkIncomplete(h1);
1892 >        checkIncomplete(h2);
1893 >        assertTrue(complete2.call());
1894 >        final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1895 >
1896 >        checkCompletedWithWrappedCancellationException(h1);
1897 >        checkCompletedWithWrappedCancellationException(h2);
1898 >        checkCompletedWithWrappedCancellationException(h3);
1899 >        r1.assertNotInvoked();
1900 >        r2.assertNotInvoked();
1901 >        r3.assertNotInvoked();
1902 >        checkCompletedNormally(failFirst ? snd : fst, v1);
1903 >        checkCancelled(failFirst ? fst : snd);
1904 >    }}
1905  
1906      /**
1907 <     * runAfterBoth result completes exceptionally if action does
1907 >     * thenAcceptBoth result completes exceptionally if action does
1908       */
1909 <    public void testRunAfterBoth_actionFailed1() {
1909 >    public void testThenAcceptBoth_actionFailed() {
1910          for (ExecutionMode m : ExecutionMode.values())
1911 +        for (boolean fFirst : new boolean[] { true, false })
1912          for (Integer v1 : new Integer[] { 1, null })
1913 <        for (Integer v2 : new Integer[] { 2, null }) {
1914 <
1913 >        for (Integer v2 : new Integer[] { 2, null })
1914 >    {
1915          final CompletableFuture<Integer> f = new CompletableFuture<>();
1916          final CompletableFuture<Integer> g = new CompletableFuture<>();
1917 <        final FailingNoop r = new FailingNoop();
1918 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1919 <
1920 <        f.complete(v1);
1921 <        checkIncomplete(h);
1922 <        g.complete(v2);
1923 <
1924 <        checkCompletedWithWrappedCFException(h);
1917 >        final FailingBiConsumer r1 = new FailingBiConsumer(m);
1918 >        final FailingBiConsumer r2 = new FailingBiConsumer(m);
1919 >        final FailingBiConsumer r3 = new FailingBiConsumer(m);
1920 >
1921 >        final CompletableFuture<Integer> fst =  fFirst ? f : g;
1922 >        final CompletableFuture<Integer> snd = !fFirst ? f : g;
1923 >        final Integer w1 =  fFirst ? v1 : v2;
1924 >        final Integer w2 = !fFirst ? v1 : v2;
1925 >
1926 >        final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1927 >        assertTrue(fst.complete(w1));
1928 >        final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1929 >        assertTrue(snd.complete(w2));
1930 >        final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1931 >
1932 >        checkCompletedWithWrappedCFException(h1);
1933 >        checkCompletedWithWrappedCFException(h2);
1934 >        checkCompletedWithWrappedCFException(h3);
1935 >        r1.assertInvoked();
1936 >        r2.assertInvoked();
1937 >        r3.assertInvoked();
1938          checkCompletedNormally(f, v1);
1939          checkCompletedNormally(g, v2);
1940 <        }
1679 <    }
1940 >    }}
1941  
1942 <    public void testRunAfterBoth_actionFailed2() {
1942 >    /**
1943 >     * runAfterBoth result completes normally after normal
1944 >     * completion of sources
1945 >     */
1946 >    public void testRunAfterBoth_normalCompletion() {
1947          for (ExecutionMode m : ExecutionMode.values())
1948 +        for (boolean fFirst : new boolean[] { true, false })
1949          for (Integer v1 : new Integer[] { 1, null })
1950 <        for (Integer v2 : new Integer[] { 2, null }) {
1951 <
1950 >        for (Integer v2 : new Integer[] { 2, null })
1951 >    {
1952          final CompletableFuture<Integer> f = new CompletableFuture<>();
1953          final CompletableFuture<Integer> g = new CompletableFuture<>();
1954 <        final FailingNoop r = new FailingNoop();
1955 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1956 <
1957 <        g.complete(v2);
1958 <        checkIncomplete(h);
1959 <        f.complete(v1);
1960 <
1961 <        checkCompletedWithWrappedCFException(h);
1954 >        final Noop r1 = new Noop(m);
1955 >        final Noop r2 = new Noop(m);
1956 >        final Noop r3 = new Noop(m);
1957 >
1958 >        final CompletableFuture<Integer> fst =  fFirst ? f : g;
1959 >        final CompletableFuture<Integer> snd = !fFirst ? f : g;
1960 >        final Integer w1 =  fFirst ? v1 : v2;
1961 >        final Integer w2 = !fFirst ? v1 : v2;
1962 >
1963 >        final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1964 >        assertTrue(fst.complete(w1));
1965 >        final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1966 >        checkIncomplete(h1);
1967 >        checkIncomplete(h2);
1968 >        r1.assertNotInvoked();
1969 >        r2.assertNotInvoked();
1970 >        assertTrue(snd.complete(w2));
1971 >        final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1972 >
1973 >        checkCompletedNormally(h1, null);
1974 >        checkCompletedNormally(h2, null);
1975 >        checkCompletedNormally(h3, null);
1976 >        r1.assertInvoked();
1977 >        r2.assertInvoked();
1978 >        r3.assertInvoked();
1979          checkCompletedNormally(f, v1);
1980          checkCompletedNormally(g, v2);
1981 <        }
1699 <    }
1981 >    }}
1982  
1983      /**
1984 <     * runAfterBoth result completes exceptionally if either source cancelled
1984 >     * runAfterBoth result completes exceptionally after exceptional
1985 >     * completion of either source
1986       */
1987 <    public void testRunAfterBoth_sourceCancelled1() {
1987 >    public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1988          for (ExecutionMode m : ExecutionMode.values())
1989 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1990 <        for (Integer v1 : new Integer[] { 1, null }) {
1991 <
1989 >        for (boolean fFirst : new boolean[] { true, false })
1990 >        for (boolean failFirst : new boolean[] { true, false })
1991 >        for (Integer v1 : new Integer[] { 1, null })
1992 >    {
1993          final CompletableFuture<Integer> f = new CompletableFuture<>();
1994          final CompletableFuture<Integer> g = new CompletableFuture<>();
1995 <        final Noop r = new Noop();
1996 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1997 <
1998 <        assertTrue(f.cancel(mayInterruptIfRunning));
1999 <        checkIncomplete(h);
2000 <        g.complete(v1);
2001 <
2002 <        checkCompletedWithWrappedCancellationException(h);
2003 <        checkCancelled(f);
2004 <        assertEquals(0, r.invocationCount);
2005 <        checkCompletedNormally(g, v1);
2006 <        }
2007 <    }
1995 >        final CFException ex = new CFException();
1996 >        final Noop r1 = new Noop(m);
1997 >        final Noop r2 = new Noop(m);
1998 >        final Noop r3 = new Noop(m);
1999 >
2000 >        final CompletableFuture<Integer> fst =  fFirst ? f : g;
2001 >        final CompletableFuture<Integer> snd = !fFirst ? f : g;
2002 >        final Callable<Boolean> complete1 = failFirst ?
2003 >            () -> fst.completeExceptionally(ex) :
2004 >            () -> fst.complete(v1);
2005 >        final Callable<Boolean> complete2 = failFirst ?
2006 >            () -> snd.complete(v1) :
2007 >            () -> snd.completeExceptionally(ex);
2008 >
2009 >        final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2010 >        assertTrue(complete1.call());
2011 >        final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2012 >        checkIncomplete(h1);
2013 >        checkIncomplete(h2);
2014 >        assertTrue(complete2.call());
2015 >        final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2016 >
2017 >        checkCompletedWithWrappedException(h1, ex);
2018 >        checkCompletedWithWrappedException(h2, ex);
2019 >        checkCompletedWithWrappedException(h3, ex);
2020 >        r1.assertNotInvoked();
2021 >        r2.assertNotInvoked();
2022 >        r3.assertNotInvoked();
2023 >        checkCompletedNormally(failFirst ? snd : fst, v1);
2024 >        checkCompletedExceptionally(failFirst ? fst : snd, ex);
2025 >    }}
2026  
2027 <    public void testRunAfterBoth_sourceCancelled2() {
2027 >    /**
2028 >     * runAfterBoth result completes exceptionally if either source cancelled
2029 >     */
2030 >    public void testRunAfterBoth_sourceCancelled() throws Throwable {
2031          for (ExecutionMode m : ExecutionMode.values())
2032          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2033 <        for (Integer v1 : new Integer[] { 1, null }) {
2034 <
2033 >        for (boolean fFirst : new boolean[] { true, false })
2034 >        for (boolean failFirst : new boolean[] { true, false })
2035 >        for (Integer v1 : new Integer[] { 1, null })
2036 >    {
2037          final CompletableFuture<Integer> f = new CompletableFuture<>();
2038          final CompletableFuture<Integer> g = new CompletableFuture<>();
2039 <        final Noop r = new Noop();
2040 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2041 <
2042 <        assertTrue(g.cancel(mayInterruptIfRunning));
2043 <        checkIncomplete(h);
2044 <        f.complete(v1);
2045 <
2046 <        checkCompletedWithWrappedCancellationException(h);
2047 <        checkCancelled(g);
2048 <        assertEquals(0, r.invocationCount);
2049 <        checkCompletedNormally(f, v1);
2050 <        }
2051 <    }
2039 >        final Noop r1 = new Noop(m);
2040 >        final Noop r2 = new Noop(m);
2041 >        final Noop r3 = new Noop(m);
2042 >
2043 >        final CompletableFuture<Integer> fst =  fFirst ? f : g;
2044 >        final CompletableFuture<Integer> snd = !fFirst ? f : g;
2045 >        final Callable<Boolean> complete1 = failFirst ?
2046 >            () -> fst.cancel(mayInterruptIfRunning) :
2047 >            () -> fst.complete(v1);
2048 >        final Callable<Boolean> complete2 = failFirst ?
2049 >            () -> snd.complete(v1) :
2050 >            () -> snd.cancel(mayInterruptIfRunning);
2051 >
2052 >        final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2053 >        assertTrue(complete1.call());
2054 >        final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2055 >        checkIncomplete(h1);
2056 >        checkIncomplete(h2);
2057 >        assertTrue(complete2.call());
2058 >        final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2059 >
2060 >        checkCompletedWithWrappedCancellationException(h1);
2061 >        checkCompletedWithWrappedCancellationException(h2);
2062 >        checkCompletedWithWrappedCancellationException(h3);
2063 >        r1.assertNotInvoked();
2064 >        r2.assertNotInvoked();
2065 >        r3.assertNotInvoked();
2066 >        checkCompletedNormally(failFirst ? snd : fst, v1);
2067 >        checkCancelled(failFirst ? fst : snd);
2068 >    }}
2069  
2070 <    public void testRunAfterBoth_sourceCancelled3() {
2070 >    /**
2071 >     * runAfterBoth result completes exceptionally if action does
2072 >     */
2073 >    public void testRunAfterBoth_actionFailed() {
2074          for (ExecutionMode m : ExecutionMode.values())
2075 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2076 <        for (Integer v1 : new Integer[] { 1, null }) {
2077 <
2075 >        for (boolean fFirst : new boolean[] { true, false })
2076 >        for (Integer v1 : new Integer[] { 1, null })
2077 >        for (Integer v2 : new Integer[] { 2, null })
2078 >    {
2079          final CompletableFuture<Integer> f = new CompletableFuture<>();
2080          final CompletableFuture<Integer> g = new CompletableFuture<>();
2081 <        final Noop r = new Noop();
2082 <
2083 <        assertTrue(g.cancel(mayInterruptIfRunning));
2084 <        f.complete(v1);
2085 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2086 <
2087 <        checkCompletedWithWrappedCancellationException(h);
2088 <        checkCancelled(g);
2089 <        assertEquals(0, r.invocationCount);
2081 >        final FailingRunnable r1 = new FailingRunnable(m);
2082 >        final FailingRunnable r2 = new FailingRunnable(m);
2083 >        final FailingRunnable r3 = new FailingRunnable(m);
2084 >
2085 >        final CompletableFuture<Integer> fst =  fFirst ? f : g;
2086 >        final CompletableFuture<Integer> snd = !fFirst ? f : g;
2087 >        final Integer w1 =  fFirst ? v1 : v2;
2088 >        final Integer w2 = !fFirst ? v1 : v2;
2089 >
2090 >        final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2091 >        assertTrue(fst.complete(w1));
2092 >        final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2093 >        assertTrue(snd.complete(w2));
2094 >        final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2095 >
2096 >        checkCompletedWithWrappedCFException(h1);
2097 >        checkCompletedWithWrappedCFException(h2);
2098 >        checkCompletedWithWrappedCFException(h3);
2099 >        r1.assertInvoked();
2100 >        r2.assertInvoked();
2101 >        r3.assertInvoked();
2102          checkCompletedNormally(f, v1);
2103 <        }
2104 <    }
1765 <
1766 <    public void testRunAfterBoth_sourceCancelled4() {
1767 <        for (ExecutionMode m : ExecutionMode.values())
1768 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1769 <        for (Integer v1 : new Integer[] { 1, null }) {
1770 <
1771 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1772 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1773 <        final Noop r = new Noop();
1774 <
1775 <        assertTrue(f.cancel(mayInterruptIfRunning));
1776 <        g.complete(v1);
1777 <        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1778 <
1779 <        checkCompletedWithWrappedCancellationException(h);
1780 <        checkCancelled(f);
1781 <        assertEquals(0, r.invocationCount);
1782 <        checkCompletedNormally(g, v1);
1783 <        }
1784 <    }
2103 >        checkCompletedNormally(g, v2);
2104 >    }}
2105  
2106      /**
2107       * applyToEither result completes normally after normal completion
2108       * of either source
2109       */
2110 <    public void testApplyToEither_normalCompletion1() {
2110 >    public void testApplyToEither_normalCompletion() {
2111          for (ExecutionMode m : ExecutionMode.values())
2112          for (Integer v1 : new Integer[] { 1, null })
2113 <        for (Integer v2 : new Integer[] { 2, null }) {
2114 <
2113 >        for (Integer v2 : new Integer[] { 2, null })
2114 >    {
2115          final CompletableFuture<Integer> f = new CompletableFuture<>();
2116          final CompletableFuture<Integer> g = new CompletableFuture<>();
2117 <        final IncFunction r = new IncFunction();
2118 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2117 >        final IncFunction[] rs = new IncFunction[6];
2118 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2119  
2120 +        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2121 +        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2122 +        checkIncomplete(h0);
2123 +        checkIncomplete(h1);
2124 +        rs[0].assertNotInvoked();
2125 +        rs[1].assertNotInvoked();
2126          f.complete(v1);
2127 <        checkCompletedNormally(h, inc(v1));
2128 <        g.complete(v2);
2129 <
2130 <        checkCompletedNormally(f, v1);
2131 <        checkCompletedNormally(g, v2);
2132 <        checkCompletedNormally(h, inc(v1));
1807 <        }
1808 <    }
1809 <
1810 <    public void testApplyToEither_normalCompletion2() {
1811 <        for (ExecutionMode m : ExecutionMode.values())
1812 <        for (Integer v1 : new Integer[] { 1, null })
1813 <        for (Integer v2 : new Integer[] { 2, null }) {
1814 <
1815 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1816 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1817 <        final IncFunction r = new IncFunction();
1818 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1819 <
2127 >        checkCompletedNormally(h0, inc(v1));
2128 >        checkCompletedNormally(h1, inc(v1));
2129 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2130 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2131 >        checkCompletedNormally(h2, inc(v1));
2132 >        checkCompletedNormally(h3, inc(v1));
2133          g.complete(v2);
1821        checkCompletedNormally(h, inc(v2));
1822        f.complete(v1);
2134  
2135 <        checkCompletedNormally(f, v1);
2136 <        checkCompletedNormally(g, v2);
2137 <        checkCompletedNormally(h, inc(v2));
2138 <        }
2139 <    }
2140 <    public void testApplyToEither_normalCompletion3() {
2141 <        for (ExecutionMode m : ExecutionMode.values())
2142 <        for (Integer v1 : new Integer[] { 1, null })
2143 <        for (Integer v2 : new Integer[] { 2, null }) {
1833 <
1834 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1835 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1836 <        final IncFunction r = new IncFunction();
1837 <
1838 <        f.complete(v1);
1839 <        g.complete(v2);
1840 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2135 >        // unspecified behavior - both source completions available
2136 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2137 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2138 >        rs[4].assertValue(h4.join());
2139 >        rs[5].assertValue(h5.join());
2140 >        assertTrue(Objects.equals(inc(v1), h4.join()) ||
2141 >                   Objects.equals(inc(v2), h4.join()));
2142 >        assertTrue(Objects.equals(inc(v1), h5.join()) ||
2143 >                   Objects.equals(inc(v2), h5.join()));
2144  
2145          checkCompletedNormally(f, v1);
2146          checkCompletedNormally(g, v2);
2147 <
2148 <        // unspecified behavior
2149 <        assertTrue(Objects.equals(h.join(), inc(v1)) ||
2150 <                   Objects.equals(h.join(), inc(v2)));
2151 <        assertEquals(1, r.invocationCount);
2152 <        }
1850 <    }
2147 >        checkCompletedNormally(h0, inc(v1));
2148 >        checkCompletedNormally(h1, inc(v1));
2149 >        checkCompletedNormally(h2, inc(v1));
2150 >        checkCompletedNormally(h3, inc(v1));
2151 >        for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2152 >    }}
2153  
2154      /**
2155       * applyToEither result completes exceptionally after exceptional
2156       * completion of either source
2157       */
2158 <    public void testApplyToEither_exceptionalCompletion1() {
2158 >    public void testApplyToEither_exceptionalCompletion() {
2159          for (ExecutionMode m : ExecutionMode.values())
2160 <        for (Integer v1 : new Integer[] { 1, null }) {
2161 <
2160 >        for (Integer v1 : new Integer[] { 1, null })
2161 >    {
2162          final CompletableFuture<Integer> f = new CompletableFuture<>();
2163          final CompletableFuture<Integer> g = new CompletableFuture<>();
1862        final IncFunction r = new IncFunction();
1863        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2164          final CFException ex = new CFException();
2165 +        final IncFunction[] rs = new IncFunction[6];
2166 +        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2167  
2168 +        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2169 +        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2170 +        checkIncomplete(h0);
2171 +        checkIncomplete(h1);
2172 +        rs[0].assertNotInvoked();
2173 +        rs[1].assertNotInvoked();
2174          f.completeExceptionally(ex);
2175 <        checkCompletedWithWrappedCFException(h, ex);
2175 >        checkCompletedWithWrappedException(h0, ex);
2176 >        checkCompletedWithWrappedException(h1, ex);
2177 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2178 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2179 >        checkCompletedWithWrappedException(h2, ex);
2180 >        checkCompletedWithWrappedException(h3, ex);
2181          g.complete(v1);
2182  
2183 <        assertEquals(0, r.invocationCount);
2184 <        checkCompletedNormally(g, v1);
2185 <        checkCompletedWithWrappedCFException(f, ex);
2186 <        checkCompletedWithWrappedCFException(h, ex);
2187 <        }
2188 <    }
2189 <
2190 <    public void testApplyToEither_exceptionalCompletion2() {
2191 <        for (ExecutionMode m : ExecutionMode.values())
1879 <        for (Integer v1 : new Integer[] { 1, null }) {
1880 <
1881 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1882 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1883 <        final IncFunction r = new IncFunction();
1884 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1885 <        final CFException ex = new CFException();
1886 <
1887 <        g.completeExceptionally(ex);
1888 <        checkCompletedWithWrappedCFException(h, ex);
1889 <        f.complete(v1);
1890 <
1891 <        assertEquals(0, r.invocationCount);
1892 <        checkCompletedNormally(f, v1);
1893 <        checkCompletedWithWrappedCFException(g, ex);
1894 <        checkCompletedWithWrappedCFException(h, ex);
2183 >        // unspecified behavior - both source completions available
2184 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2185 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2186 >        try {
2187 >            assertEquals(inc(v1), h4.join());
2188 >            rs[4].assertValue(inc(v1));
2189 >        } catch (CompletionException ok) {
2190 >            checkCompletedWithWrappedException(h4, ex);
2191 >            rs[4].assertNotInvoked();
2192          }
1896    }
1897
1898    public void testApplyToEither_exceptionalCompletion3() {
1899        for (ExecutionMode m : ExecutionMode.values())
1900        for (Integer v1 : new Integer[] { 1, null }) {
1901
1902        final CompletableFuture<Integer> f = new CompletableFuture<>();
1903        final CompletableFuture<Integer> g = new CompletableFuture<>();
1904        final IncFunction r = new IncFunction();
1905        final CFException ex = new CFException();
1906
1907        g.completeExceptionally(ex);
1908        f.complete(v1);
1909        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1910
1911        // unspecified behavior
1912        Integer v;
2193          try {
2194 <            assertEquals(h.join(), inc(v1));
2195 <            assertEquals(1, r.invocationCount);
2194 >            assertEquals(inc(v1), h5.join());
2195 >            rs[5].assertValue(inc(v1));
2196          } catch (CompletionException ok) {
2197 <            checkCompletedWithWrappedCFException(h, ex);
2198 <            assertEquals(0, r.invocationCount);
2197 >            checkCompletedWithWrappedException(h5, ex);
2198 >            rs[5].assertNotInvoked();
2199          }
2200  
2201 <        checkCompletedWithWrappedCFException(g, ex);
2202 <        checkCompletedNormally(f, v1);
2203 <        }
2204 <    }
2201 >        checkCompletedExceptionally(f, ex);
2202 >        checkCompletedNormally(g, v1);
2203 >        checkCompletedWithWrappedException(h0, ex);
2204 >        checkCompletedWithWrappedException(h1, ex);
2205 >        checkCompletedWithWrappedException(h2, ex);
2206 >        checkCompletedWithWrappedException(h3, ex);
2207 >        checkCompletedWithWrappedException(h4, ex);
2208 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2209 >    }}
2210  
2211 <    public void testApplyToEither_exceptionalCompletion4() {
2211 >    public void testApplyToEither_exceptionalCompletion2() {
2212          for (ExecutionMode m : ExecutionMode.values())
2213 <        for (Integer v1 : new Integer[] { 1, null }) {
2214 <
2213 >        for (boolean fFirst : new boolean[] { true, false })
2214 >        for (Integer v1 : new Integer[] { 1, null })
2215 >    {
2216          final CompletableFuture<Integer> f = new CompletableFuture<>();
2217          final CompletableFuture<Integer> g = new CompletableFuture<>();
1932        final IncFunction r = new IncFunction();
2218          final CFException ex = new CFException();
2219 +        final IncFunction[] rs = new IncFunction[6];
2220 +        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2221  
2222 <        f.completeExceptionally(ex);
2223 <        g.complete(v1);
2224 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2222 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2223 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2224 >        assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2225 >        assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2226 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2227 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2228  
2229 <        // unspecified behavior
1940 <        Integer v;
2229 >        // unspecified behavior - both source completions available
2230          try {
2231 <            assertEquals(h.join(), inc(v1));
2232 <            assertEquals(1, r.invocationCount);
2231 >            assertEquals(inc(v1), h0.join());
2232 >            rs[0].assertValue(inc(v1));
2233          } catch (CompletionException ok) {
2234 <            checkCompletedWithWrappedCFException(h, ex);
2235 <            assertEquals(0, r.invocationCount);
2234 >            checkCompletedWithWrappedException(h0, ex);
2235 >            rs[0].assertNotInvoked();
2236          }
2237 <
2238 <        checkCompletedWithWrappedCFException(f, ex);
2239 <        checkCompletedNormally(g, v1);
2237 >        try {
2238 >            assertEquals(inc(v1), h1.join());
2239 >            rs[1].assertValue(inc(v1));
2240 >        } catch (CompletionException ok) {
2241 >            checkCompletedWithWrappedException(h1, ex);
2242 >            rs[1].assertNotInvoked();
2243          }
2244 <    }
2245 <
2246 <    /**
2247 <     * applyToEither result completes exceptionally if action does
2248 <     */
2249 <    public void testApplyToEither_actionFailed1() {
2250 <        for (ExecutionMode m : ExecutionMode.values())
2251 <        for (Integer v1 : new Integer[] { 1, null })
2252 <        for (Integer v2 : new Integer[] { 2, null }) {
2253 <
2254 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2255 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2256 <        final FailingFunction r = new FailingFunction();
1965 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1966 <
1967 <        f.complete(v1);
1968 <        checkCompletedWithWrappedCFException(h);
1969 <        g.complete(v2);
1970 <        checkCompletedNormally(f, v1);
1971 <        checkCompletedNormally(g, v2);
2244 >        try {
2245 >            assertEquals(inc(v1), h2.join());
2246 >            rs[2].assertValue(inc(v1));
2247 >        } catch (CompletionException ok) {
2248 >            checkCompletedWithWrappedException(h2, ex);
2249 >            rs[2].assertNotInvoked();
2250 >        }
2251 >        try {
2252 >            assertEquals(inc(v1), h3.join());
2253 >            rs[3].assertValue(inc(v1));
2254 >        } catch (CompletionException ok) {
2255 >            checkCompletedWithWrappedException(h3, ex);
2256 >            rs[3].assertNotInvoked();
2257          }
1973    }
1974
1975    public void testApplyToEither_actionFailed2() {
1976        for (ExecutionMode m : ExecutionMode.values())
1977        for (Integer v1 : new Integer[] { 1, null })
1978        for (Integer v2 : new Integer[] { 2, null }) {
1979
1980        final CompletableFuture<Integer> f = new CompletableFuture<>();
1981        final CompletableFuture<Integer> g = new CompletableFuture<>();
1982        final FailingFunction r = new FailingFunction();
1983        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2258  
1985        g.complete(v2);
1986        checkCompletedWithWrappedCFException(h);
1987        f.complete(v1);
2259          checkCompletedNormally(f, v1);
2260 <        checkCompletedNormally(g, v2);
2261 <        }
1991 <    }
2260 >        checkCompletedExceptionally(g, ex);
2261 >    }}
2262  
2263      /**
2264       * applyToEither result completes exceptionally if either source cancelled
2265       */
2266 <    public void testApplyToEither_sourceCancelled1() {
2266 >    public void testApplyToEither_sourceCancelled() {
2267          for (ExecutionMode m : ExecutionMode.values())
2268          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2269 <        for (Integer v1 : new Integer[] { 1, null }) {
2270 <
2269 >        for (Integer v1 : new Integer[] { 1, null })
2270 >    {
2271          final CompletableFuture<Integer> f = new CompletableFuture<>();
2272          final CompletableFuture<Integer> g = new CompletableFuture<>();
2273 <        final IncFunction r = new IncFunction();
2274 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2273 >        final IncFunction[] rs = new IncFunction[6];
2274 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2275  
2276 <        assertTrue(f.cancel(mayInterruptIfRunning));
2277 <        checkCompletedWithWrappedCancellationException(h);
2276 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2277 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2278 >        checkIncomplete(h0);
2279 >        checkIncomplete(h1);
2280 >        rs[0].assertNotInvoked();
2281 >        rs[1].assertNotInvoked();
2282 >        f.cancel(mayInterruptIfRunning);
2283 >        checkCompletedWithWrappedCancellationException(h0);
2284 >        checkCompletedWithWrappedCancellationException(h1);
2285 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2286 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2287 >        checkCompletedWithWrappedCancellationException(h2);
2288 >        checkCompletedWithWrappedCancellationException(h3);
2289          g.complete(v1);
2290  
2291 +        // unspecified behavior - both source completions available
2292 +        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2293 +        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2294 +        try {
2295 +            assertEquals(inc(v1), h4.join());
2296 +            rs[4].assertValue(inc(v1));
2297 +        } catch (CompletionException ok) {
2298 +            checkCompletedWithWrappedCancellationException(h4);
2299 +            rs[4].assertNotInvoked();
2300 +        }
2301 +        try {
2302 +            assertEquals(inc(v1), h5.join());
2303 +            rs[5].assertValue(inc(v1));
2304 +        } catch (CompletionException ok) {
2305 +            checkCompletedWithWrappedCancellationException(h5);
2306 +            rs[5].assertNotInvoked();
2307 +        }
2308 +
2309          checkCancelled(f);
2011        assertEquals(0, r.invocationCount);
2310          checkCompletedNormally(g, v1);
2311 <        checkCompletedWithWrappedCancellationException(h);
2312 <        }
2313 <    }
2311 >        checkCompletedWithWrappedCancellationException(h0);
2312 >        checkCompletedWithWrappedCancellationException(h1);
2313 >        checkCompletedWithWrappedCancellationException(h2);
2314 >        checkCompletedWithWrappedCancellationException(h3);
2315 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2316 >    }}
2317  
2318      public void testApplyToEither_sourceCancelled2() {
2319          for (ExecutionMode m : ExecutionMode.values())
2320          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2321 <        for (Integer v1 : new Integer[] { 1, null }) {
2322 <
2321 >        for (boolean fFirst : new boolean[] { true, false })
2322 >        for (Integer v1 : new Integer[] { 1, null })
2323 >    {
2324          final CompletableFuture<Integer> f = new CompletableFuture<>();
2325          final CompletableFuture<Integer> g = new CompletableFuture<>();
2326 <        final IncFunction r = new IncFunction();
2327 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2326 >        final IncFunction[] rs = new IncFunction[6];
2327 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2328  
2329 <        assertTrue(g.cancel(mayInterruptIfRunning));
2330 <        checkCompletedWithWrappedCancellationException(h);
2331 <        f.complete(v1);
2329 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2330 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2331 >        assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2332 >        assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2333 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2334 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2335  
2336 <        checkCancelled(g);
2337 <        assertEquals(0, r.invocationCount);
2338 <        checkCompletedNormally(f, v1);
2339 <        checkCompletedWithWrappedCancellationException(h);
2336 >        // unspecified behavior - both source completions available
2337 >        try {
2338 >            assertEquals(inc(v1), h0.join());
2339 >            rs[0].assertValue(inc(v1));
2340 >        } catch (CompletionException ok) {
2341 >            checkCompletedWithWrappedCancellationException(h0);
2342 >            rs[0].assertNotInvoked();
2343          }
2036    }
2037
2038    public void testApplyToEither_sourceCancelled3() {
2039        for (ExecutionMode m : ExecutionMode.values())
2040        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2041        for (Integer v1 : new Integer[] { 1, null }) {
2042
2043        final CompletableFuture<Integer> f = new CompletableFuture<>();
2044        final CompletableFuture<Integer> g = new CompletableFuture<>();
2045        final IncFunction r = new IncFunction();
2046
2047        assertTrue(g.cancel(mayInterruptIfRunning));
2048        f.complete(v1);
2049        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2050
2051        // unspecified behavior
2052        Integer v;
2344          try {
2345 <            assertEquals(h.join(), inc(v1));
2346 <            assertEquals(1, r.invocationCount);
2345 >            assertEquals(inc(v1), h1.join());
2346 >            rs[1].assertValue(inc(v1));
2347          } catch (CompletionException ok) {
2348 <            checkCompletedWithWrappedCancellationException(h);
2349 <            assertEquals(0, r.invocationCount);
2348 >            checkCompletedWithWrappedCancellationException(h1);
2349 >            rs[1].assertNotInvoked();
2350          }
2351 <
2352 <        checkCancelled(g);
2353 <        checkCompletedNormally(f, v1);
2351 >        try {
2352 >            assertEquals(inc(v1), h2.join());
2353 >            rs[2].assertValue(inc(v1));
2354 >        } catch (CompletionException ok) {
2355 >            checkCompletedWithWrappedCancellationException(h2);
2356 >            rs[2].assertNotInvoked();
2357          }
2064    }
2065
2066    public void testApplyToEither_sourceCancelled4() {
2067        for (ExecutionMode m : ExecutionMode.values())
2068        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2069        for (Integer v1 : new Integer[] { 1, null }) {
2070
2071        final CompletableFuture<Integer> f = new CompletableFuture<>();
2072        final CompletableFuture<Integer> g = new CompletableFuture<>();
2073        final IncFunction r = new IncFunction();
2074
2075        assertTrue(f.cancel(mayInterruptIfRunning));
2076        g.complete(v1);
2077        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2078
2079        // unspecified behavior
2080        Integer v;
2358          try {
2359 <            assertEquals(h.join(), inc(v1));
2360 <            assertEquals(1, r.invocationCount);
2359 >            assertEquals(inc(v1), h3.join());
2360 >            rs[3].assertValue(inc(v1));
2361          } catch (CompletionException ok) {
2362 <            checkCompletedWithWrappedCancellationException(h);
2363 <            assertEquals(0, r.invocationCount);
2362 >            checkCompletedWithWrappedCancellationException(h3);
2363 >            rs[3].assertNotInvoked();
2364          }
2365  
2366 <        checkCancelled(f);
2367 <        checkCompletedNormally(g, v1);
2368 <        }
2092 <    }
2366 >        checkCompletedNormally(f, v1);
2367 >        checkCancelled(g);
2368 >    }}
2369  
2370      /**
2371 <     * acceptEither result completes normally after normal completion
2096 <     * of either source
2371 >     * applyToEither result completes exceptionally if action does
2372       */
2373 <    public void testAcceptEither_normalCompletion1() {
2373 >    public void testApplyToEither_actionFailed() {
2374          for (ExecutionMode m : ExecutionMode.values())
2375          for (Integer v1 : new Integer[] { 1, null })
2376 <        for (Integer v2 : new Integer[] { 2, null }) {
2377 <
2376 >        for (Integer v2 : new Integer[] { 2, null })
2377 >    {
2378          final CompletableFuture<Integer> f = new CompletableFuture<>();
2379          final CompletableFuture<Integer> g = new CompletableFuture<>();
2380 <        final IncAction r = new IncAction();
2381 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2380 >        final FailingFunction[] rs = new FailingFunction[6];
2381 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2382  
2383 +        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2384 +        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2385          f.complete(v1);
2386 <        checkCompletedNormally(h, null);
2387 <        assertEquals(r.value, inc(v1));
2388 <        g.complete(v2);
2389 <
2390 <        checkCompletedNormally(f, v1);
2391 <        checkCompletedNormally(g, v2);
2392 <        checkCompletedNormally(h, null);
2116 <        }
2117 <    }
2386 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2387 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2388 >        checkCompletedWithWrappedCFException(h0);
2389 >        checkCompletedWithWrappedCFException(h1);
2390 >        checkCompletedWithWrappedCFException(h2);
2391 >        checkCompletedWithWrappedCFException(h3);
2392 >        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2393  
2394 <    public void testAcceptEither_normalCompletion2() {
2120 <        for (ExecutionMode m : ExecutionMode.values())
2121 <        for (Integer v1 : new Integer[] { 1, null })
2122 <        for (Integer v2 : new Integer[] { 2, null }) {
2394 >        g.complete(v2);
2395  
2396 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2397 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2398 <        final IncAction r = new IncAction();
2127 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2396 >        // unspecified behavior - both source completions available
2397 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2398 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2399  
2400 <        g.complete(v2);
2401 <        checkCompletedNormally(h, null);
2402 <        assertEquals(r.value, inc(v2));
2403 <        f.complete(v1);
2400 >        checkCompletedWithWrappedCFException(h4);
2401 >        assertTrue(Objects.equals(v1, rs[4].value) ||
2402 >                   Objects.equals(v2, rs[4].value));
2403 >        checkCompletedWithWrappedCFException(h5);
2404 >        assertTrue(Objects.equals(v1, rs[5].value) ||
2405 >                   Objects.equals(v2, rs[5].value));
2406  
2407          checkCompletedNormally(f, v1);
2408          checkCompletedNormally(g, v2);
2409 <        checkCompletedNormally(h, null);
2410 <        }
2411 <    }
2412 <    public void testAcceptEither_normalCompletion3() {
2409 >    }}
2410 >
2411 >    /**
2412 >     * acceptEither result completes normally after normal completion
2413 >     * of either source
2414 >     */
2415 >    public void testAcceptEither_normalCompletion() {
2416          for (ExecutionMode m : ExecutionMode.values())
2417          for (Integer v1 : new Integer[] { 1, null })
2418 <        for (Integer v2 : new Integer[] { 2, null }) {
2419 <
2418 >        for (Integer v2 : new Integer[] { 2, null })
2419 >    {
2420          final CompletableFuture<Integer> f = new CompletableFuture<>();
2421          final CompletableFuture<Integer> g = new CompletableFuture<>();
2422 <        final IncAction r = new IncAction();
2422 >        final NoopConsumer[] rs = new NoopConsumer[6];
2423 >        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2424 >
2425 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2426 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2427 >        checkIncomplete(h0);
2428 >        checkIncomplete(h1);
2429 >        rs[0].assertNotInvoked();
2430 >        rs[1].assertNotInvoked();
2431 >        f.complete(v1);
2432 >        checkCompletedNormally(h0, null);
2433 >        checkCompletedNormally(h1, null);
2434 >        rs[0].assertValue(v1);
2435 >        rs[1].assertValue(v1);
2436 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2437 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2438 >        checkCompletedNormally(h2, null);
2439 >        checkCompletedNormally(h3, null);
2440 >        rs[2].assertValue(v1);
2441 >        rs[3].assertValue(v1);
2442 >        g.complete(v2);
2443 >
2444 >        // unspecified behavior - both source completions available
2445 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2446 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2447 >        checkCompletedNormally(h4, null);
2448 >        checkCompletedNormally(h5, null);
2449 >        assertTrue(Objects.equals(v1, rs[4].value) ||
2450 >                   Objects.equals(v2, rs[4].value));
2451 >        assertTrue(Objects.equals(v1, rs[5].value) ||
2452 >                   Objects.equals(v2, rs[5].value));
2453  
2148        f.complete(v1);
2149        g.complete(v2);
2150        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2151
2152        checkCompletedNormally(h, null);
2454          checkCompletedNormally(f, v1);
2455          checkCompletedNormally(g, v2);
2456 <
2457 <        // unspecified behavior
2458 <        assertTrue(Objects.equals(r.value, inc(v1)) ||
2459 <                   Objects.equals(r.value, inc(v2)));
2460 <        }
2461 <    }
2456 >        checkCompletedNormally(h0, null);
2457 >        checkCompletedNormally(h1, null);
2458 >        checkCompletedNormally(h2, null);
2459 >        checkCompletedNormally(h3, null);
2460 >        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2461 >    }}
2462  
2463      /**
2464       * acceptEither result completes exceptionally after exceptional
2465       * completion of either source
2466       */
2467 <    public void testAcceptEither_exceptionalCompletion1() {
2467 >    public void testAcceptEither_exceptionalCompletion() {
2468          for (ExecutionMode m : ExecutionMode.values())
2469 <        for (Integer v1 : new Integer[] { 1, null }) {
2470 <
2469 >        for (Integer v1 : new Integer[] { 1, null })
2470 >    {
2471          final CompletableFuture<Integer> f = new CompletableFuture<>();
2472          final CompletableFuture<Integer> g = new CompletableFuture<>();
2172        final IncAction r = new IncAction();
2173        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2473          final CFException ex = new CFException();
2474 +        final NoopConsumer[] rs = new NoopConsumer[6];
2475 +        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2476  
2477 +        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2478 +        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2479 +        checkIncomplete(h0);
2480 +        checkIncomplete(h1);
2481 +        rs[0].assertNotInvoked();
2482 +        rs[1].assertNotInvoked();
2483          f.completeExceptionally(ex);
2484 <        checkCompletedWithWrappedCFException(h, ex);
2485 <        g.complete(v1);
2486 <
2487 <        assertEquals(0, r.invocationCount);
2488 <        checkCompletedNormally(g, v1);
2489 <        checkCompletedWithWrappedCFException(f, ex);
2183 <        checkCompletedWithWrappedCFException(h, ex);
2184 <        }
2185 <    }
2484 >        checkCompletedWithWrappedException(h0, ex);
2485 >        checkCompletedWithWrappedException(h1, ex);
2486 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2487 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2488 >        checkCompletedWithWrappedException(h2, ex);
2489 >        checkCompletedWithWrappedException(h3, ex);
2490  
2491 <    public void testAcceptEither_exceptionalCompletion2() {
2188 <        for (ExecutionMode m : ExecutionMode.values())
2189 <        for (Integer v1 : new Integer[] { 1, null }) {
2190 <
2191 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2192 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2193 <        final IncAction r = new IncAction();
2194 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2195 <        final CFException ex = new CFException();
2196 <
2197 <        g.completeExceptionally(ex);
2198 <        checkCompletedWithWrappedCFException(h, ex);
2199 <        f.complete(v1);
2491 >        g.complete(v1);
2492  
2493 <        assertEquals(0, r.invocationCount);
2494 <        checkCompletedNormally(f, v1);
2495 <        checkCompletedWithWrappedCFException(g, ex);
2496 <        checkCompletedWithWrappedCFException(h, ex);
2493 >        // unspecified behavior - both source completions available
2494 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2495 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2496 >        try {
2497 >            assertNull(h4.join());
2498 >            rs[4].assertValue(v1);
2499 >        } catch (CompletionException ok) {
2500 >            checkCompletedWithWrappedException(h4, ex);
2501 >            rs[4].assertNotInvoked();
2502          }
2206    }
2207
2208    public void testAcceptEither_exceptionalCompletion3() {
2209        for (ExecutionMode m : ExecutionMode.values())
2210        for (Integer v1 : new Integer[] { 1, null }) {
2211
2212        final CompletableFuture<Integer> f = new CompletableFuture<>();
2213        final CompletableFuture<Integer> g = new CompletableFuture<>();
2214        final IncAction r = new IncAction();
2215        final CFException ex = new CFException();
2216
2217        g.completeExceptionally(ex);
2218        f.complete(v1);
2219        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2220
2221        // unspecified behavior
2222        Integer v;
2503          try {
2504 <            assertEquals(h.join(), null);
2505 <            assertEquals(1, r.invocationCount);
2226 <            assertEquals(inc(v1), r.value);
2504 >            assertNull(h5.join());
2505 >            rs[5].assertValue(v1);
2506          } catch (CompletionException ok) {
2507 <            checkCompletedWithWrappedCFException(h, ex);
2508 <            assertEquals(0, r.invocationCount);
2507 >            checkCompletedWithWrappedException(h5, ex);
2508 >            rs[5].assertNotInvoked();
2509          }
2510  
2511 <        checkCompletedWithWrappedCFException(g, ex);
2512 <        checkCompletedNormally(f, v1);
2513 <        }
2514 <    }
2511 >        checkCompletedExceptionally(f, ex);
2512 >        checkCompletedNormally(g, v1);
2513 >        checkCompletedWithWrappedException(h0, ex);
2514 >        checkCompletedWithWrappedException(h1, ex);
2515 >        checkCompletedWithWrappedException(h2, ex);
2516 >        checkCompletedWithWrappedException(h3, ex);
2517 >        checkCompletedWithWrappedException(h4, ex);
2518 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2519 >    }}
2520  
2521 <    public void testAcceptEither_exceptionalCompletion4() {
2521 >    public void testAcceptEither_exceptionalCompletion2() {
2522          for (ExecutionMode m : ExecutionMode.values())
2523 <        for (Integer v1 : new Integer[] { 1, null }) {
2524 <
2523 >        for (boolean fFirst : new boolean[] { true, false })
2524 >        for (Integer v1 : new Integer[] { 1, null })
2525 >    {
2526          final CompletableFuture<Integer> f = new CompletableFuture<>();
2527          final CompletableFuture<Integer> g = new CompletableFuture<>();
2243        final IncAction r = new IncAction();
2528          final CFException ex = new CFException();
2529 +        final NoopConsumer[] rs = new NoopConsumer[6];
2530 +        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2531  
2532 <        f.completeExceptionally(ex);
2533 <        g.complete(v1);
2534 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2532 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2533 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2534 >        assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2535 >        assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2536 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2537 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2538  
2539 <        // unspecified behavior
2251 <        Integer v;
2539 >        // unspecified behavior - both source completions available
2540          try {
2541 <            assertEquals(h.join(), null);
2542 <            assertEquals(1, r.invocationCount);
2255 <            assertEquals(inc(v1), r.value);
2541 >            assertEquals(null, h0.join());
2542 >            rs[0].assertValue(v1);
2543          } catch (CompletionException ok) {
2544 <            checkCompletedWithWrappedCFException(h, ex);
2545 <            assertEquals(0, r.invocationCount);
2544 >            checkCompletedWithWrappedException(h0, ex);
2545 >            rs[0].assertNotInvoked();
2546          }
2547 <
2548 <        checkCompletedWithWrappedCFException(f, ex);
2549 <        checkCompletedNormally(g, v1);
2547 >        try {
2548 >            assertEquals(null, h1.join());
2549 >            rs[1].assertValue(v1);
2550 >        } catch (CompletionException ok) {
2551 >            checkCompletedWithWrappedException(h1, ex);
2552 >            rs[1].assertNotInvoked();
2553          }
2554 <    }
2555 <
2556 <    /**
2557 <     * acceptEither result completes exceptionally if action does
2558 <     */
2559 <    public void testAcceptEither_actionFailed1() {
2560 <        for (ExecutionMode m : ExecutionMode.values())
2561 <        for (Integer v1 : new Integer[] { 1, null })
2562 <        for (Integer v2 : new Integer[] { 2, null }) {
2563 <
2564 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2565 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2566 <        final FailingConsumer r = new FailingConsumer();
2277 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2278 <
2279 <        f.complete(v1);
2280 <        checkCompletedWithWrappedCFException(h);
2281 <        g.complete(v2);
2282 <        checkCompletedNormally(f, v1);
2283 <        checkCompletedNormally(g, v2);
2554 >        try {
2555 >            assertEquals(null, h2.join());
2556 >            rs[2].assertValue(v1);
2557 >        } catch (CompletionException ok) {
2558 >            checkCompletedWithWrappedException(h2, ex);
2559 >            rs[2].assertNotInvoked();
2560 >        }
2561 >        try {
2562 >            assertEquals(null, h3.join());
2563 >            rs[3].assertValue(v1);
2564 >        } catch (CompletionException ok) {
2565 >            checkCompletedWithWrappedException(h3, ex);
2566 >            rs[3].assertNotInvoked();
2567          }
2285    }
2286
2287    public void testAcceptEither_actionFailed2() {
2288        for (ExecutionMode m : ExecutionMode.values())
2289        for (Integer v1 : new Integer[] { 1, null })
2290        for (Integer v2 : new Integer[] { 2, null }) {
2291
2292        final CompletableFuture<Integer> f = new CompletableFuture<>();
2293        final CompletableFuture<Integer> g = new CompletableFuture<>();
2294        final FailingConsumer r = new FailingConsumer();
2295        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2568  
2297        g.complete(v2);
2298        checkCompletedWithWrappedCFException(h);
2299        f.complete(v1);
2569          checkCompletedNormally(f, v1);
2570 <        checkCompletedNormally(g, v2);
2571 <        }
2303 <    }
2570 >        checkCompletedExceptionally(g, ex);
2571 >    }}
2572  
2573      /**
2574       * acceptEither result completes exceptionally if either source cancelled
2575       */
2576 <    public void testAcceptEither_sourceCancelled1() {
2576 >    public void testAcceptEither_sourceCancelled() {
2577          for (ExecutionMode m : ExecutionMode.values())
2578          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2579 <        for (Integer v1 : new Integer[] { 1, null }) {
2580 <
2313 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2314 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2315 <        final IncAction r = new IncAction();
2316 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2317 <
2318 <        assertTrue(f.cancel(mayInterruptIfRunning));
2319 <        checkCompletedWithWrappedCancellationException(h);
2320 <        g.complete(v1);
2321 <
2322 <        checkCancelled(f);
2323 <        assertEquals(0, r.invocationCount);
2324 <        checkCompletedNormally(g, v1);
2325 <        checkCompletedWithWrappedCancellationException(h);
2326 <        }
2327 <    }
2328 <
2329 <    public void testAcceptEither_sourceCancelled2() {
2330 <        for (ExecutionMode m : ExecutionMode.values())
2331 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2332 <        for (Integer v1 : new Integer[] { 1, null }) {
2333 <
2579 >        for (Integer v1 : new Integer[] { 1, null })
2580 >    {
2581          final CompletableFuture<Integer> f = new CompletableFuture<>();
2582          final CompletableFuture<Integer> g = new CompletableFuture<>();
2583 <        final IncAction r = new IncAction();
2584 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2583 >        final NoopConsumer[] rs = new NoopConsumer[6];
2584 >        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2585  
2586 <        assertTrue(g.cancel(mayInterruptIfRunning));
2587 <        checkCompletedWithWrappedCancellationException(h);
2588 <        f.complete(v1);
2589 <
2590 <        checkCancelled(g);
2591 <        assertEquals(0, r.invocationCount);
2592 <        checkCompletedNormally(f, v1);
2593 <        checkCompletedWithWrappedCancellationException(h);
2594 <        }
2595 <    }
2586 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2587 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2588 >        checkIncomplete(h0);
2589 >        checkIncomplete(h1);
2590 >        rs[0].assertNotInvoked();
2591 >        rs[1].assertNotInvoked();
2592 >        f.cancel(mayInterruptIfRunning);
2593 >        checkCompletedWithWrappedCancellationException(h0);
2594 >        checkCompletedWithWrappedCancellationException(h1);
2595 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2596 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2597 >        checkCompletedWithWrappedCancellationException(h2);
2598 >        checkCompletedWithWrappedCancellationException(h3);
2599  
2600 <    public void testAcceptEither_sourceCancelled3() {
2351 <        for (ExecutionMode m : ExecutionMode.values())
2352 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2353 <        for (Integer v1 : new Integer[] { 1, null }) {
2354 <
2355 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2356 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2357 <        final IncAction r = new IncAction();
2358 <
2359 <        assertTrue(g.cancel(mayInterruptIfRunning));
2360 <        f.complete(v1);
2361 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2600 >        g.complete(v1);
2601  
2602 <        // unspecified behavior
2603 <        Integer v;
2602 >        // unspecified behavior - both source completions available
2603 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2604 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2605          try {
2606 <            assertEquals(h.join(), null);
2607 <            assertEquals(1, r.invocationCount);
2368 <            assertEquals(inc(v1), r.value);
2606 >            assertNull(h4.join());
2607 >            rs[4].assertValue(v1);
2608          } catch (CompletionException ok) {
2609 <            checkCompletedWithWrappedCancellationException(h);
2610 <            assertEquals(0, r.invocationCount);
2372 <        }
2373 <
2374 <        checkCancelled(g);
2375 <        checkCompletedNormally(f, v1);
2609 >            checkCompletedWithWrappedCancellationException(h4);
2610 >            rs[4].assertNotInvoked();
2611          }
2377    }
2378
2379    public void testAcceptEither_sourceCancelled4() {
2380        for (ExecutionMode m : ExecutionMode.values())
2381        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2382        for (Integer v1 : new Integer[] { 1, null }) {
2383
2384        final CompletableFuture<Integer> f = new CompletableFuture<>();
2385        final CompletableFuture<Integer> g = new CompletableFuture<>();
2386        final IncAction r = new IncAction();
2387
2388        assertTrue(f.cancel(mayInterruptIfRunning));
2389        g.complete(v1);
2390        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2391
2392        // unspecified behavior
2393        Integer v;
2612          try {
2613 <            assertEquals(h.join(), null);
2614 <            assertEquals(1, r.invocationCount);
2397 <            assertEquals(inc(v1), r.value);
2613 >            assertNull(h5.join());
2614 >            rs[5].assertValue(v1);
2615          } catch (CompletionException ok) {
2616 <            checkCompletedWithWrappedCancellationException(h);
2617 <            assertEquals(0, r.invocationCount);
2616 >            checkCompletedWithWrappedCancellationException(h5);
2617 >            rs[5].assertNotInvoked();
2618          }
2619  
2620          checkCancelled(f);
2621          checkCompletedNormally(g, v1);
2622 <        }
2623 <    }
2622 >        checkCompletedWithWrappedCancellationException(h0);
2623 >        checkCompletedWithWrappedCancellationException(h1);
2624 >        checkCompletedWithWrappedCancellationException(h2);
2625 >        checkCompletedWithWrappedCancellationException(h3);
2626 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2627 >    }}
2628  
2629      /**
2630 <     * runAfterEither result completes normally after normal completion
2410 <     * of either source
2630 >     * acceptEither result completes exceptionally if action does
2631       */
2632 <    public void testRunAfterEither_normalCompletion1() {
2632 >    public void testAcceptEither_actionFailed() {
2633          for (ExecutionMode m : ExecutionMode.values())
2634          for (Integer v1 : new Integer[] { 1, null })
2635 <        for (Integer v2 : new Integer[] { 2, null }) {
2636 <
2635 >        for (Integer v2 : new Integer[] { 2, null })
2636 >    {
2637          final CompletableFuture<Integer> f = new CompletableFuture<>();
2638          final CompletableFuture<Integer> g = new CompletableFuture<>();
2639 <        final Noop r = new Noop();
2640 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2639 >        final FailingConsumer[] rs = new FailingConsumer[6];
2640 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2641  
2642 +        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2643 +        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2644          f.complete(v1);
2645 <        checkCompletedNormally(h, null);
2646 <        assertEquals(1, r.invocationCount);
2647 <        g.complete(v2);
2645 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2646 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2647 >        checkCompletedWithWrappedCFException(h0);
2648 >        checkCompletedWithWrappedCFException(h1);
2649 >        checkCompletedWithWrappedCFException(h2);
2650 >        checkCompletedWithWrappedCFException(h3);
2651 >        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2652  
2653 <        checkCompletedNormally(f, v1);
2428 <        checkCompletedNormally(g, v2);
2429 <        checkCompletedNormally(h, null);
2430 <        assertEquals(1, r.invocationCount);
2431 <        }
2432 <    }
2433 <
2434 <    public void testRunAfterEither_normalCompletion2() {
2435 <        for (ExecutionMode m : ExecutionMode.values())
2436 <        for (Integer v1 : new Integer[] { 1, null })
2437 <        for (Integer v2 : new Integer[] { 2, null }) {
2653 >        g.complete(v2);
2654  
2655 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2656 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2657 <        final Noop r = new Noop();
2442 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2655 >        // unspecified behavior - both source completions available
2656 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2657 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2658  
2659 <        g.complete(v2);
2660 <        checkCompletedNormally(h, null);
2661 <        assertEquals(1, r.invocationCount);
2662 <        f.complete(v1);
2659 >        checkCompletedWithWrappedCFException(h4);
2660 >        assertTrue(Objects.equals(v1, rs[4].value) ||
2661 >                   Objects.equals(v2, rs[4].value));
2662 >        checkCompletedWithWrappedCFException(h5);
2663 >        assertTrue(Objects.equals(v1, rs[5].value) ||
2664 >                   Objects.equals(v2, rs[5].value));
2665  
2666          checkCompletedNormally(f, v1);
2667          checkCompletedNormally(g, v2);
2668 <        checkCompletedNormally(h, null);
2669 <        assertEquals(1, r.invocationCount);
2670 <        }
2671 <    }
2672 <    public void testRunAfterEither_normalCompletion3() {
2668 >    }}
2669 >
2670 >    /**
2671 >     * runAfterEither result completes normally after normal completion
2672 >     * of either source
2673 >     */
2674 >    public void testRunAfterEither_normalCompletion() {
2675          for (ExecutionMode m : ExecutionMode.values())
2676          for (Integer v1 : new Integer[] { 1, null })
2677 <        for (Integer v2 : new Integer[] { 2, null }) {
2678 <
2677 >        for (Integer v2 : new Integer[] { 2, null })
2678 >    {
2679          final CompletableFuture<Integer> f = new CompletableFuture<>();
2680          final CompletableFuture<Integer> g = new CompletableFuture<>();
2681 <        final Noop r = new Noop();
2681 >        final Noop[] rs = new Noop[6];
2682 >        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2683  
2684 +        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2685 +        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2686 +        checkIncomplete(h0);
2687 +        checkIncomplete(h1);
2688 +        rs[0].assertNotInvoked();
2689 +        rs[1].assertNotInvoked();
2690          f.complete(v1);
2691 +        checkCompletedNormally(h0, null);
2692 +        checkCompletedNormally(h1, null);
2693 +        rs[0].assertInvoked();
2694 +        rs[1].assertInvoked();
2695 +        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2696 +        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2697 +        checkCompletedNormally(h2, null);
2698 +        checkCompletedNormally(h3, null);
2699 +        rs[2].assertInvoked();
2700 +        rs[3].assertInvoked();
2701 +
2702          g.complete(v2);
2466        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2703  
2704 <        checkCompletedNormally(h, null);
2704 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2705 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2706 >
2707          checkCompletedNormally(f, v1);
2708          checkCompletedNormally(g, v2);
2709 <        assertEquals(1, r.invocationCount);
2710 <        }
2711 <    }
2709 >        checkCompletedNormally(h0, null);
2710 >        checkCompletedNormally(h1, null);
2711 >        checkCompletedNormally(h2, null);
2712 >        checkCompletedNormally(h3, null);
2713 >        checkCompletedNormally(h4, null);
2714 >        checkCompletedNormally(h5, null);
2715 >        for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2716 >    }}
2717  
2718      /**
2719       * runAfterEither result completes exceptionally after exceptional
2720       * completion of either source
2721       */
2722 <    public void testRunAfterEither_exceptionalCompletion1() {
2722 >    public void testRunAfterEither_exceptionalCompletion() {
2723          for (ExecutionMode m : ExecutionMode.values())
2724 <        for (Integer v1 : new Integer[] { 1, null }) {
2725 <
2724 >        for (Integer v1 : new Integer[] { 1, null })
2725 >    {
2726          final CompletableFuture<Integer> f = new CompletableFuture<>();
2727          final CompletableFuture<Integer> g = new CompletableFuture<>();
2485        final Noop r = new Noop();
2486        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2728          final CFException ex = new CFException();
2729 +        final Noop[] rs = new Noop[6];
2730 +        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2731  
2732 <        f.completeExceptionally(ex);
2733 <        checkCompletedWithWrappedCFException(h, ex);
2734 <        g.complete(v1);
2732 >        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2733 >        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2734 >        checkIncomplete(h0);
2735 >        checkIncomplete(h1);
2736 >        rs[0].assertNotInvoked();
2737 >        rs[1].assertNotInvoked();
2738 >        assertTrue(f.completeExceptionally(ex));
2739 >        checkCompletedWithWrappedException(h0, ex);
2740 >        checkCompletedWithWrappedException(h1, ex);
2741 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2742 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2743 >        checkCompletedWithWrappedException(h2, ex);
2744 >        checkCompletedWithWrappedException(h3, ex);
2745  
2746 <        assertEquals(0, r.invocationCount);
2494 <        checkCompletedNormally(g, v1);
2495 <        checkCompletedWithWrappedCFException(f, ex);
2496 <        checkCompletedWithWrappedCFException(h, ex);
2497 <        }
2498 <    }
2499 <
2500 <    public void testRunAfterEither_exceptionalCompletion2() {
2501 <        for (ExecutionMode m : ExecutionMode.values())
2502 <        for (Integer v1 : new Integer[] { 1, null }) {
2746 >        assertTrue(g.complete(v1));
2747  
2748 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2749 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2750 <        final Noop r = new Noop();
2751 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2752 <        final CFException ex = new CFException();
2753 <
2754 <        g.completeExceptionally(ex);
2755 <        checkCompletedWithWrappedCFException(h, ex);
2756 <        f.complete(v1);
2513 <
2514 <        assertEquals(0, r.invocationCount);
2515 <        checkCompletedNormally(f, v1);
2516 <        checkCompletedWithWrappedCFException(g, ex);
2517 <        checkCompletedWithWrappedCFException(h, ex);
2748 >        // unspecified behavior - both source completions available
2749 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2750 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2751 >        try {
2752 >            assertNull(h4.join());
2753 >            rs[4].assertInvoked();
2754 >        } catch (CompletionException ok) {
2755 >            checkCompletedWithWrappedException(h4, ex);
2756 >            rs[4].assertNotInvoked();
2757          }
2519    }
2520
2521    public void testRunAfterEither_exceptionalCompletion3() {
2522        for (ExecutionMode m : ExecutionMode.values())
2523        for (Integer v1 : new Integer[] { 1, null }) {
2524
2525        final CompletableFuture<Integer> f = new CompletableFuture<>();
2526        final CompletableFuture<Integer> g = new CompletableFuture<>();
2527        final Noop r = new Noop();
2528        final CFException ex = new CFException();
2529
2530        g.completeExceptionally(ex);
2531        f.complete(v1);
2532        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2533
2534        // unspecified behavior
2535        Integer v;
2758          try {
2759 <            assertEquals(h.join(), null);
2760 <            assertEquals(1, r.invocationCount);
2759 >            assertNull(h5.join());
2760 >            rs[5].assertInvoked();
2761          } catch (CompletionException ok) {
2762 <            checkCompletedWithWrappedCFException(h, ex);
2763 <            assertEquals(0, r.invocationCount);
2762 >            checkCompletedWithWrappedException(h5, ex);
2763 >            rs[5].assertNotInvoked();
2764          }
2765  
2766 <        checkCompletedWithWrappedCFException(g, ex);
2767 <        checkCompletedNormally(f, v1);
2768 <        }
2769 <    }
2766 >        checkCompletedExceptionally(f, ex);
2767 >        checkCompletedNormally(g, v1);
2768 >        checkCompletedWithWrappedException(h0, ex);
2769 >        checkCompletedWithWrappedException(h1, ex);
2770 >        checkCompletedWithWrappedException(h2, ex);
2771 >        checkCompletedWithWrappedException(h3, ex);
2772 >        checkCompletedWithWrappedException(h4, ex);
2773 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2774 >    }}
2775  
2776 <    public void testRunAfterEither_exceptionalCompletion4() {
2776 >    public void testRunAfterEither_exceptionalCompletion2() {
2777          for (ExecutionMode m : ExecutionMode.values())
2778 <        for (Integer v1 : new Integer[] { 1, null }) {
2779 <
2778 >        for (boolean fFirst : new boolean[] { true, false })
2779 >        for (Integer v1 : new Integer[] { 1, null })
2780 >    {
2781          final CompletableFuture<Integer> f = new CompletableFuture<>();
2782          final CompletableFuture<Integer> g = new CompletableFuture<>();
2555        final Noop r = new Noop();
2783          final CFException ex = new CFException();
2784 +        final Noop[] rs = new Noop[6];
2785 +        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2786  
2787 <        f.completeExceptionally(ex);
2788 <        g.complete(v1);
2789 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2787 >        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2788 >        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2789 >        assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2790 >        assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2791 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2792 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2793  
2794 <        // unspecified behavior
2563 <        Integer v;
2794 >        // unspecified behavior - both source completions available
2795          try {
2796 <            assertEquals(h.join(), null);
2797 <            assertEquals(1, r.invocationCount);
2796 >            assertEquals(null, h0.join());
2797 >            rs[0].assertInvoked();
2798          } catch (CompletionException ok) {
2799 <            checkCompletedWithWrappedCFException(h, ex);
2800 <            assertEquals(0, r.invocationCount);
2799 >            checkCompletedWithWrappedException(h0, ex);
2800 >            rs[0].assertNotInvoked();
2801          }
2802 <
2803 <        checkCompletedWithWrappedCFException(f, ex);
2804 <        checkCompletedNormally(g, v1);
2802 >        try {
2803 >            assertEquals(null, h1.join());
2804 >            rs[1].assertInvoked();
2805 >        } catch (CompletionException ok) {
2806 >            checkCompletedWithWrappedException(h1, ex);
2807 >            rs[1].assertNotInvoked();
2808          }
2809 <    }
2810 <
2811 <    /**
2812 <     * runAfterEither result completes exceptionally if action does
2813 <     */
2814 <    public void testRunAfterEither_actionFailed1() {
2815 <        for (ExecutionMode m : ExecutionMode.values())
2816 <        for (Integer v1 : new Integer[] { 1, null })
2817 <        for (Integer v2 : new Integer[] { 2, null }) {
2818 <
2819 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2820 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2821 <        final FailingNoop r = new FailingNoop();
2588 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2589 <
2590 <        f.complete(v1);
2591 <        checkCompletedWithWrappedCFException(h);
2592 <        g.complete(v2);
2593 <        checkCompletedNormally(f, v1);
2594 <        checkCompletedNormally(g, v2);
2809 >        try {
2810 >            assertEquals(null, h2.join());
2811 >            rs[2].assertInvoked();
2812 >        } catch (CompletionException ok) {
2813 >            checkCompletedWithWrappedException(h2, ex);
2814 >            rs[2].assertNotInvoked();
2815 >        }
2816 >        try {
2817 >            assertEquals(null, h3.join());
2818 >            rs[3].assertInvoked();
2819 >        } catch (CompletionException ok) {
2820 >            checkCompletedWithWrappedException(h3, ex);
2821 >            rs[3].assertNotInvoked();
2822          }
2596    }
2597
2598    public void testRunAfterEither_actionFailed2() {
2599        for (ExecutionMode m : ExecutionMode.values())
2600        for (Integer v1 : new Integer[] { 1, null })
2601        for (Integer v2 : new Integer[] { 2, null }) {
2602
2603        final CompletableFuture<Integer> f = new CompletableFuture<>();
2604        final CompletableFuture<Integer> g = new CompletableFuture<>();
2605        final FailingNoop r = new FailingNoop();
2606        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2823  
2608        g.complete(v2);
2609        checkCompletedWithWrappedCFException(h);
2610        f.complete(v1);
2824          checkCompletedNormally(f, v1);
2825 <        checkCompletedNormally(g, v2);
2826 <        }
2614 <    }
2825 >        checkCompletedExceptionally(g, ex);
2826 >    }}
2827  
2828      /**
2829       * runAfterEither result completes exceptionally if either source cancelled
2830       */
2831 <    public void testRunAfterEither_sourceCancelled1() {
2620 <        for (ExecutionMode m : ExecutionMode.values())
2621 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2622 <        for (Integer v1 : new Integer[] { 1, null }) {
2623 <
2624 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2625 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2626 <        final Noop r = new Noop();
2627 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2628 <
2629 <        assertTrue(f.cancel(mayInterruptIfRunning));
2630 <        checkCompletedWithWrappedCancellationException(h);
2631 <        g.complete(v1);
2632 <
2633 <        checkCancelled(f);
2634 <        assertEquals(0, r.invocationCount);
2635 <        checkCompletedNormally(g, v1);
2636 <        checkCompletedWithWrappedCancellationException(h);
2637 <        }
2638 <    }
2639 <
2640 <    public void testRunAfterEither_sourceCancelled2() {
2831 >    public void testRunAfterEither_sourceCancelled() {
2832          for (ExecutionMode m : ExecutionMode.values())
2833          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2834 <        for (Integer v1 : new Integer[] { 1, null }) {
2835 <
2834 >        for (Integer v1 : new Integer[] { 1, null })
2835 >    {
2836          final CompletableFuture<Integer> f = new CompletableFuture<>();
2837          final CompletableFuture<Integer> g = new CompletableFuture<>();
2838 <        final Noop r = new Noop();
2839 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2649 <
2650 <        assertTrue(g.cancel(mayInterruptIfRunning));
2651 <        checkCompletedWithWrappedCancellationException(h);
2652 <        f.complete(v1);
2653 <
2654 <        checkCancelled(g);
2655 <        assertEquals(0, r.invocationCount);
2656 <        checkCompletedNormally(f, v1);
2657 <        checkCompletedWithWrappedCancellationException(h);
2658 <        }
2659 <    }
2660 <
2661 <    public void testRunAfterEither_sourceCancelled3() {
2662 <        for (ExecutionMode m : ExecutionMode.values())
2663 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2664 <        for (Integer v1 : new Integer[] { 1, null }) {
2838 >        final Noop[] rs = new Noop[6];
2839 >        for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2840  
2841 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2842 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2843 <        final Noop r = new Noop();
2841 >        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2842 >        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2843 >        checkIncomplete(h0);
2844 >        checkIncomplete(h1);
2845 >        rs[0].assertNotInvoked();
2846 >        rs[1].assertNotInvoked();
2847 >        f.cancel(mayInterruptIfRunning);
2848 >        checkCompletedWithWrappedCancellationException(h0);
2849 >        checkCompletedWithWrappedCancellationException(h1);
2850 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2851 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2852 >        checkCompletedWithWrappedCancellationException(h2);
2853 >        checkCompletedWithWrappedCancellationException(h3);
2854  
2855 <        assertTrue(g.cancel(mayInterruptIfRunning));
2671 <        f.complete(v1);
2672 <        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2855 >        assertTrue(g.complete(v1));
2856  
2857 <        // unspecified behavior
2858 <        Integer v;
2857 >        // unspecified behavior - both source completions available
2858 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2859 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2860          try {
2861 <            assertEquals(h.join(), null);
2862 <            assertEquals(1, r.invocationCount);
2861 >            assertNull(h4.join());
2862 >            rs[4].assertInvoked();
2863          } catch (CompletionException ok) {
2864 <            checkCompletedWithWrappedCancellationException(h);
2865 <            assertEquals(0, r.invocationCount);
2864 >            checkCompletedWithWrappedCancellationException(h4);
2865 >            rs[4].assertNotInvoked();
2866          }
2683
2684        checkCancelled(g);
2685        checkCompletedNormally(f, v1);
2686        }
2687    }
2688
2689    public void testRunAfterEither_sourceCancelled4() {
2690        for (ExecutionMode m : ExecutionMode.values())
2691        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2692        for (Integer v1 : new Integer[] { 1, null }) {
2693
2694        final CompletableFuture<Integer> f = new CompletableFuture<>();
2695        final CompletableFuture<Integer> g = new CompletableFuture<>();
2696        final Noop r = new Noop();
2697
2698        assertTrue(f.cancel(mayInterruptIfRunning));
2699        g.complete(v1);
2700        final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2701
2702        // unspecified behavior
2703        Integer v;
2867          try {
2868 <            assertEquals(h.join(), null);
2869 <            assertEquals(1, r.invocationCount);
2868 >            assertNull(h5.join());
2869 >            rs[5].assertInvoked();
2870          } catch (CompletionException ok) {
2871 <            checkCompletedWithWrappedCancellationException(h);
2872 <            assertEquals(0, r.invocationCount);
2871 >            checkCompletedWithWrappedCancellationException(h5);
2872 >            rs[5].assertNotInvoked();
2873          }
2874  
2875          checkCancelled(f);
2876          checkCompletedNormally(g, v1);
2877 <        }
2878 <    }
2877 >        checkCompletedWithWrappedCancellationException(h0);
2878 >        checkCompletedWithWrappedCancellationException(h1);
2879 >        checkCompletedWithWrappedCancellationException(h2);
2880 >        checkCompletedWithWrappedCancellationException(h3);
2881 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2882 >    }}
2883  
2884      /**
2885 <     * thenCompose result completes normally after normal completion of source
2885 >     * runAfterEither result completes exceptionally if action does
2886       */
2887 <    public void testThenCompose_normalCompletion1() {
2887 >    public void testRunAfterEither_actionFailed() {
2888          for (ExecutionMode m : ExecutionMode.values())
2889 <        for (Integer v1 : new Integer[] { 1, null }) {
2890 <
2889 >        for (Integer v1 : new Integer[] { 1, null })
2890 >        for (Integer v2 : new Integer[] { 2, null })
2891 >    {
2892          final CompletableFuture<Integer> f = new CompletableFuture<>();
2893 <        final CompletableFutureInc r = new CompletableFutureInc();
2894 <        final CompletableFuture<Integer> g = f.thenCompose(r);
2895 <        f.complete(v1);
2896 <        checkCompletedNormally(g, inc(v1));
2893 >        final CompletableFuture<Integer> g = new CompletableFuture<>();
2894 >        final FailingRunnable[] rs = new FailingRunnable[6];
2895 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2896 >
2897 >        final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2898 >        final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2899 >        assertTrue(f.complete(v1));
2900 >        final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2901 >        final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2902 >        checkCompletedWithWrappedCFException(h0);
2903 >        checkCompletedWithWrappedCFException(h1);
2904 >        checkCompletedWithWrappedCFException(h2);
2905 >        checkCompletedWithWrappedCFException(h3);
2906 >        for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2907 >        assertTrue(g.complete(v2));
2908 >        final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2909 >        final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2910 >        checkCompletedWithWrappedCFException(h4);
2911 >        checkCompletedWithWrappedCFException(h5);
2912 >
2913          checkCompletedNormally(f, v1);
2914 <        assertEquals(1, r.invocationCount);
2915 <        }
2916 <    }
2914 >        checkCompletedNormally(g, v2);
2915 >        for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2916 >    }}
2917  
2918 <    public void testThenCompose_normalCompletion2() {
2918 >    /**
2919 >     * thenCompose result completes normally after normal completion of source
2920 >     */
2921 >    public void testThenCompose_normalCompletion() {
2922          for (ExecutionMode m : ExecutionMode.values())
2923 <        for (Integer v1 : new Integer[] { 1, null }) {
2924 <
2923 >        for (boolean createIncomplete : new boolean[] { true, false })
2924 >        for (Integer v1 : new Integer[] { 1, null })
2925 >    {
2926          final CompletableFuture<Integer> f = new CompletableFuture<>();
2927 <        final CompletableFutureInc r = new CompletableFutureInc();
2928 <        f.complete(v1);
2929 <        final CompletableFuture<Integer> g = f.thenCompose(r);
2927 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2928 >        if (!createIncomplete) assertTrue(f.complete(v1));
2929 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2930 >        if (createIncomplete) assertTrue(f.complete(v1));
2931 >
2932          checkCompletedNormally(g, inc(v1));
2933          checkCompletedNormally(f, v1);
2934 <        assertEquals(1, r.invocationCount);
2935 <        }
2746 <    }
2934 >        r.assertValue(v1);
2935 >    }}
2936  
2937      /**
2938       * thenCompose result completes exceptionally after exceptional
2939       * completion of source
2940       */
2941 <    public void testThenCompose_exceptionalCompletion1() {
2942 <        for (ExecutionMode m : ExecutionMode.values()) {
2943 <
2941 >    public void testThenCompose_exceptionalCompletion() {
2942 >        for (ExecutionMode m : ExecutionMode.values())
2943 >        for (boolean createIncomplete : new boolean[] { true, false })
2944 >    {
2945          final CFException ex = new CFException();
2946 <        final CompletableFutureInc r = new CompletableFutureInc();
2946 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2947          final CompletableFuture<Integer> f = new CompletableFuture<>();
2948 <        final CompletableFuture<Integer> g = f.thenCompose(r);
2949 <        f.completeExceptionally(ex);
2950 <        checkCompletedWithWrappedCFException(g, ex);
2761 <        checkCompletedWithWrappedCFException(f, ex);
2762 <        }
2763 <    }
2948 >        if (!createIncomplete) f.completeExceptionally(ex);
2949 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2950 >        if (createIncomplete) f.completeExceptionally(ex);
2951  
2952 <    public void testThenCompose_exceptionalCompletion2() {
2953 <        for (ExecutionMode m : ExecutionMode.values()) {
2954 <
2955 <        final CFException ex = new CFException();
2769 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2770 <        f.completeExceptionally(ex);
2771 <        final CompletableFutureInc r = new CompletableFutureInc();
2772 <        final CompletableFuture<Integer> g = f.thenCompose(r);
2773 <        checkCompletedWithWrappedCFException(g, ex);
2774 <        checkCompletedWithWrappedCFException(f, ex);
2775 <        }
2776 <    }
2952 >        checkCompletedWithWrappedException(g, ex);
2953 >        checkCompletedExceptionally(f, ex);
2954 >        r.assertNotInvoked();
2955 >    }}
2956  
2957      /**
2958       * thenCompose result completes exceptionally if action does
2959       */
2960 <    public void testThenCompose_actionFailed1() {
2960 >    public void testThenCompose_actionFailed() {
2961          for (ExecutionMode m : ExecutionMode.values())
2962 <        for (Integer v1 : new Integer[] { 1, null }) {
2963 <
2962 >        for (boolean createIncomplete : new boolean[] { true, false })
2963 >        for (Integer v1 : new Integer[] { 1, null })
2964 >    {
2965          final CompletableFuture<Integer> f = new CompletableFuture<>();
2966          final FailingCompletableFutureFunction r
2967 <            = new FailingCompletableFutureFunction();
2968 <        final CompletableFuture<Integer> g = f.thenCompose(r);
2969 <        f.complete(v1);
2970 <        checkCompletedWithWrappedCFException(g);
2791 <        checkCompletedNormally(f, v1);
2792 <        }
2793 <    }
2794 <
2795 <    public void testThenCompose_actionFailed2() {
2796 <        for (ExecutionMode m : ExecutionMode.values())
2797 <        for (Integer v1 : new Integer[] { 1, null }) {
2967 >            = new FailingCompletableFutureFunction(m);
2968 >        if (!createIncomplete) assertTrue(f.complete(v1));
2969 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2970 >        if (createIncomplete) assertTrue(f.complete(v1));
2971  
2799        final CompletableFuture<Integer> f = new CompletableFuture<>();
2800        f.complete(v1);
2801        final FailingCompletableFutureFunction r
2802            = new FailingCompletableFutureFunction();
2803        final CompletableFuture<Integer> g = f.thenCompose(r);
2972          checkCompletedWithWrappedCFException(g);
2973          checkCompletedNormally(f, v1);
2974 <        }
2807 <    }
2974 >    }}
2975  
2976      /**
2977       * thenCompose result completes exceptionally if source cancelled
2978       */
2979 <    public void testThenCompose_sourceCancelled1() {
2979 >    public void testThenCompose_sourceCancelled() {
2980          for (ExecutionMode m : ExecutionMode.values())
2981 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2982 <
2981 >        for (boolean createIncomplete : new boolean[] { true, false })
2982 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2983 >    {
2984          final CompletableFuture<Integer> f = new CompletableFuture<>();
2985 <        final CompletableFutureInc r = new CompletableFutureInc();
2986 <        final CompletableFuture<Integer> g = f.thenCompose(r);
2987 <        assertTrue(f.cancel(mayInterruptIfRunning));
2988 <        checkCompletedWithWrappedCancellationException(g);
2989 <        checkCancelled(f);
2985 >        final CompletableFutureInc r = new CompletableFutureInc(m);
2986 >        if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2987 >        final CompletableFuture<Integer> g = m.thenCompose(f, r);
2988 >        if (createIncomplete) {
2989 >            checkIncomplete(g);
2990 >            assertTrue(f.cancel(mayInterruptIfRunning));
2991          }
2823    }
2992  
2825    public void testThenCompose_sourceCancelled2() {
2826        for (ExecutionMode m : ExecutionMode.values())
2827        for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2828
2829        final CompletableFuture<Integer> f = new CompletableFuture<>();
2830        assertTrue(f.cancel(mayInterruptIfRunning));
2831        final CompletableFutureInc r = new CompletableFutureInc();
2832        final CompletableFuture<Integer> g = f.thenCompose(r);
2993          checkCompletedWithWrappedCancellationException(g);
2994          checkCancelled(f);
2995 <        }
2836 <    }
2837 <
2838 <    // asyncs
2839 <
2840 <    /**
2841 <     * thenRunAsync result completes normally after normal completion of source
2842 <     */
2843 <    public void testThenRunAsync() {
2844 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2845 <        Noop r = new Noop();
2846 <        CompletableFuture<Void> g = f.thenRunAsync(r);
2847 <        f.complete(null);
2848 <        checkCompletedNormally(g, null);
2849 <
2850 <        // reordered version
2851 <        f = new CompletableFuture<>();
2852 <        f.complete(null);
2853 <        r = new Noop();
2854 <        g = f.thenRunAsync(r);
2855 <        checkCompletedNormally(g, null);
2856 <    }
2857 <
2858 <    /**
2859 <     * thenRunAsync result completes exceptionally after exceptional
2860 <     * completion of source
2861 <     */
2862 <    public void testThenRunAsync2() {
2863 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2864 <        Noop r = new Noop();
2865 <        CompletableFuture<Void> g = f.thenRunAsync(r);
2866 <        f.completeExceptionally(new CFException());
2867 <        try {
2868 <            g.join();
2869 <            shouldThrow();
2870 <        } catch (CompletionException success) {}
2871 <        checkCompletedWithWrappedCFException(g);
2872 <    }
2873 <
2874 <    /**
2875 <     * thenRunAsync result completes exceptionally if action does
2876 <     */
2877 <    public void testThenRunAsync3() {
2878 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2879 <        FailingNoop r = new FailingNoop();
2880 <        CompletableFuture<Void> g = f.thenRunAsync(r);
2881 <        f.complete(null);
2882 <        checkCompletedWithWrappedCFException(g);
2883 <    }
2884 <
2885 <    /**
2886 <     * thenRunAsync result completes exceptionally if source cancelled
2887 <     */
2888 <    public void testThenRunAsync4() {
2889 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2890 <        Noop r = new Noop();
2891 <        CompletableFuture<Void> g = f.thenRunAsync(r);
2892 <        assertTrue(f.cancel(true));
2893 <        checkCompletedWithWrappedCancellationException(g);
2894 <    }
2895 <
2896 <    /**
2897 <     * thenApplyAsync result completes normally after normal completion of source
2898 <     */
2899 <    public void testThenApplyAsync() {
2900 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2901 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2902 <        f.complete(one);
2903 <        checkCompletedNormally(g, two);
2904 <    }
2905 <
2906 <    /**
2907 <     * thenApplyAsync result completes exceptionally after exceptional
2908 <     * completion of source
2909 <     */
2910 <    public void testThenApplyAsync2() {
2911 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2912 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2913 <        f.completeExceptionally(new CFException());
2914 <        checkCompletedWithWrappedCFException(g);
2915 <    }
2916 <
2917 <    /**
2918 <     * thenApplyAsync result completes exceptionally if action does
2919 <     */
2920 <    public void testThenApplyAsync3() {
2921 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2922 <        FailingFunction r = new FailingFunction();
2923 <        CompletableFuture<Integer> g = f.thenApplyAsync(r);
2924 <        f.complete(null);
2925 <        checkCompletedWithWrappedCFException(g);
2926 <    }
2927 <
2928 <    /**
2929 <     * thenApplyAsync result completes exceptionally if source cancelled
2930 <     */
2931 <    public void testThenApplyAsync4() {
2932 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2933 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2934 <        assertTrue(f.cancel(true));
2935 <        checkCompletedWithWrappedCancellationException(g);
2936 <    }
2937 <
2938 <    /**
2939 <     * thenAcceptAsync result completes normally after normal
2940 <     * completion of source
2941 <     */
2942 <    public void testThenAcceptAsync() {
2943 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2944 <        IncAction r = new IncAction();
2945 <        CompletableFuture<Void> g = f.thenAcceptAsync(r);
2946 <        f.complete(one);
2947 <        checkCompletedNormally(g, null);
2948 <        assertEquals(r.value, (Integer) 2);
2949 <    }
2950 <
2951 <    /**
2952 <     * thenAcceptAsync result completes exceptionally after exceptional
2953 <     * completion of source
2954 <     */
2955 <    public void testThenAcceptAsync2() {
2956 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2957 <        IncAction r = new IncAction();
2958 <        CompletableFuture<Void> g = f.thenAcceptAsync(r);
2959 <        f.completeExceptionally(new CFException());
2960 <        checkCompletedWithWrappedCFException(g);
2961 <    }
2962 <
2963 <    /**
2964 <     * thenAcceptAsync result completes exceptionally if action does
2965 <     */
2966 <    public void testThenAcceptAsync3() {
2967 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2968 <        FailingConsumer r = new FailingConsumer();
2969 <        CompletableFuture<Void> g = f.thenAcceptAsync(r);
2970 <        f.complete(null);
2971 <        checkCompletedWithWrappedCFException(g);
2972 <    }
2973 <
2974 <    /**
2975 <     * thenAcceptAsync result completes exceptionally if source cancelled
2976 <     */
2977 <    public void testThenAcceptAsync4() {
2978 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2979 <        IncAction r = new IncAction();
2980 <        CompletableFuture<Void> g = f.thenAcceptAsync(r);
2981 <        assertTrue(f.cancel(true));
2982 <        checkCompletedWithWrappedCancellationException(g);
2983 <    }
2984 <
2985 <    // async with explicit executors
2986 <
2987 <    /**
2988 <     * thenRunAsync result completes normally after normal completion of source
2989 <     */
2990 <    public void testThenRunAsyncE() {
2991 <        CompletableFuture<Integer> f = new CompletableFuture<>();
2992 <        Noop r = new Noop();
2993 <        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2994 <        f.complete(null);
2995 <        checkCompletedNormally(g, null);
2996 <
2997 <        // reordered version
2998 <        f = new CompletableFuture<>();
2999 <        f.complete(null);
3000 <        r = new Noop();
3001 <        g = f.thenRunAsync(r, new ThreadExecutor());
3002 <        checkCompletedNormally(g, null);
3003 <    }
3004 <
3005 <    /**
3006 <     * thenRunAsync result completes exceptionally after exceptional
3007 <     * completion of source
3008 <     */
3009 <    public void testThenRunAsync2E() {
3010 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3011 <        Noop r = new Noop();
3012 <        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3013 <        f.completeExceptionally(new CFException());
3014 <        try {
3015 <            g.join();
3016 <            shouldThrow();
3017 <        } catch (CompletionException success) {}
3018 <        checkCompletedWithWrappedCFException(g);
3019 <    }
3020 <
3021 <    /**
3022 <     * thenRunAsync result completes exceptionally if action does
3023 <     */
3024 <    public void testThenRunAsync3E() {
3025 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3026 <        FailingNoop r = new FailingNoop();
3027 <        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3028 <        f.complete(null);
3029 <        checkCompletedWithWrappedCFException(g);
3030 <    }
3031 <
3032 <    /**
3033 <     * thenRunAsync result completes exceptionally if source cancelled
3034 <     */
3035 <    public void testThenRunAsync4E() {
3036 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3037 <        Noop r = new Noop();
3038 <        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3039 <        assertTrue(f.cancel(true));
3040 <        checkCompletedWithWrappedCancellationException(g);
3041 <    }
3042 <
3043 <    /**
3044 <     * thenApplyAsync result completes normally after normal completion of source
3045 <     */
3046 <    public void testThenApplyAsyncE() {
3047 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3048 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3049 <        f.complete(one);
3050 <        checkCompletedNormally(g, two);
3051 <    }
3052 <
3053 <    /**
3054 <     * thenApplyAsync result completes exceptionally after exceptional
3055 <     * completion of source
3056 <     */
3057 <    public void testThenApplyAsync2E() {
3058 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3059 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3060 <        f.completeExceptionally(new CFException());
3061 <        checkCompletedWithWrappedCFException(g);
3062 <    }
3063 <
3064 <    /**
3065 <     * thenApplyAsync result completes exceptionally if action does
3066 <     */
3067 <    public void testThenApplyAsync3E() {
3068 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3069 <        FailingFunction r = new FailingFunction();
3070 <        CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3071 <        f.complete(null);
3072 <        checkCompletedWithWrappedCFException(g);
3073 <    }
3074 <
3075 <    /**
3076 <     * thenApplyAsync result completes exceptionally if source cancelled
3077 <     */
3078 <    public void testThenApplyAsync4E() {
3079 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3080 <        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3081 <        assertTrue(f.cancel(true));
3082 <        checkCompletedWithWrappedCancellationException(g);
3083 <    }
3084 <
3085 <    /**
3086 <     * thenAcceptAsync result completes normally after normal
3087 <     * completion of source
3088 <     */
3089 <    public void testThenAcceptAsyncE() {
3090 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3091 <        IncAction r = new IncAction();
3092 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3093 <        f.complete(one);
3094 <        checkCompletedNormally(g, null);
3095 <        assertEquals(r.value, (Integer) 2);
3096 <    }
3097 <
3098 <    /**
3099 <     * thenAcceptAsync result completes exceptionally after exceptional
3100 <     * completion of source
3101 <     */
3102 <    public void testThenAcceptAsync2E() {
3103 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3104 <        IncAction r = new IncAction();
3105 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3106 <        f.completeExceptionally(new CFException());
3107 <        checkCompletedWithWrappedCFException(g);
3108 <    }
3109 <
3110 <    /**
3111 <     * thenAcceptAsync result completes exceptionally if action does
3112 <     */
3113 <    public void testThenAcceptAsync3E() {
3114 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3115 <        FailingConsumer r = new FailingConsumer();
3116 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3117 <        f.complete(null);
3118 <        checkCompletedWithWrappedCFException(g);
3119 <    }
3120 <
3121 <    /**
3122 <     * thenAcceptAsync result completes exceptionally if source cancelled
3123 <     */
3124 <    public void testThenAcceptAsync4E() {
3125 <        CompletableFuture<Integer> f = new CompletableFuture<>();
3126 <        IncAction r = new IncAction();
3127 <        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3128 <        assertTrue(f.cancel(true));
3129 <        checkCompletedWithWrappedCancellationException(g);
3130 <    }
2995 >    }}
2996  
2997      // other static methods
2998  
# Line 3145 | Line 3010 | public class CompletableFutureTest exten
3010       * when all components complete normally
3011       */
3012      public void testAllOf_normal() throws Exception {
3013 <        for (int k = 1; k < 20; ++k) {
3014 <            CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3015 <            for (int i = 0; i < k; ++i)
3013 >        for (int k = 1; k < 10; k++) {
3014 >            CompletableFuture<Integer>[] fs
3015 >                = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3016 >            for (int i = 0; i < k; i++)
3017 >                fs[i] = new CompletableFuture<>();
3018 >            CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3019 >            for (int i = 0; i < k; i++) {
3020 >                checkIncomplete(f);
3021 >                checkIncomplete(CompletableFuture.allOf(fs));
3022 >                fs[i].complete(one);
3023 >            }
3024 >            checkCompletedNormally(f, null);
3025 >            checkCompletedNormally(CompletableFuture.allOf(fs), null);
3026 >        }
3027 >    }
3028 >
3029 >    public void testAllOf_backwards() throws Exception {
3030 >        for (int k = 1; k < 10; k++) {
3031 >            CompletableFuture<Integer>[] fs
3032 >                = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3033 >            for (int i = 0; i < k; i++)
3034                  fs[i] = new CompletableFuture<>();
3035              CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3036 <            for (int i = 0; i < k; ++i) {
3036 >            for (int i = k - 1; i >= 0; i--) {
3037                  checkIncomplete(f);
3038                  checkIncomplete(CompletableFuture.allOf(fs));
3039                  fs[i].complete(one);
# Line 3160 | Line 3043 | public class CompletableFutureTest exten
3043          }
3044      }
3045  
3046 +    public void testAllOf_exceptional() throws Exception {
3047 +        for (int k = 1; k < 10; k++) {
3048 +            CompletableFuture<Integer>[] fs
3049 +                = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3050 +            CFException ex = new CFException();
3051 +            for (int i = 0; i < k; i++)
3052 +                fs[i] = new CompletableFuture<>();
3053 +            CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3054 +            for (int i = 0; i < k; i++) {
3055 +                checkIncomplete(f);
3056 +                checkIncomplete(CompletableFuture.allOf(fs));
3057 +                if (i != k/2) {
3058 +                    fs[i].complete(i);
3059 +                    checkCompletedNormally(fs[i], i);
3060 +                } else {
3061 +                    fs[i].completeExceptionally(ex);
3062 +                    checkCompletedExceptionally(fs[i], ex);
3063 +                }
3064 +            }
3065 +            checkCompletedWithWrappedException(f, ex);
3066 +            checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3067 +        }
3068 +    }
3069 +
3070      /**
3071       * anyOf(no component futures) returns an incomplete future
3072       */
3073      public void testAnyOf_empty() throws Exception {
3074 +        for (Integer v1 : new Integer[] { 1, null })
3075 +    {
3076          CompletableFuture<Object> f = CompletableFuture.anyOf();
3077          checkIncomplete(f);
3078 <    }
3078 >
3079 >        f.complete(v1);
3080 >        checkCompletedNormally(f, v1);
3081 >    }}
3082  
3083      /**
3084       * anyOf returns a future completed normally with a value when
3085       * a component future does
3086       */
3087      public void testAnyOf_normal() throws Exception {
3088 <        for (int k = 0; k < 10; ++k) {
3088 >        for (int k = 0; k < 10; k++) {
3089              CompletableFuture[] fs = new CompletableFuture[k];
3090 <            for (int i = 0; i < k; ++i)
3090 >            for (int i = 0; i < k; i++)
3091                  fs[i] = new CompletableFuture<>();
3092              CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3093              checkIncomplete(f);
3094 <            for (int i = 0; i < k; ++i) {
3095 <                fs[i].complete(one);
3096 <                checkCompletedNormally(f, one);
3097 <                checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3094 >            for (int i = 0; i < k; i++) {
3095 >                fs[i].complete(i);
3096 >                checkCompletedNormally(f, 0);
3097 >                int x = (int) CompletableFuture.anyOf(fs).join();
3098 >                assertTrue(0 <= x && x <= i);
3099 >            }
3100 >        }
3101 >    }
3102 >    public void testAnyOf_normal_backwards() throws Exception {
3103 >        for (int k = 0; k < 10; k++) {
3104 >            CompletableFuture[] fs = new CompletableFuture[k];
3105 >            for (int i = 0; i < k; i++)
3106 >                fs[i] = new CompletableFuture<>();
3107 >            CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3108 >            checkIncomplete(f);
3109 >            for (int i = k - 1; i >= 0; i--) {
3110 >                fs[i].complete(i);
3111 >                checkCompletedNormally(f, k - 1);
3112 >                int x = (int) CompletableFuture.anyOf(fs).join();
3113 >                assertTrue(i <= x && x <= k - 1);
3114              }
3115          }
3116      }
# Line 3191 | Line 3119 | public class CompletableFutureTest exten
3119       * anyOf result completes exceptionally when any component does.
3120       */
3121      public void testAnyOf_exceptional() throws Exception {
3122 <        for (int k = 0; k < 10; ++k) {
3122 >        for (int k = 0; k < 10; k++) {
3123              CompletableFuture[] fs = new CompletableFuture[k];
3124 <            for (int i = 0; i < k; ++i)
3124 >            CFException[] exs = new CFException[k];
3125 >            for (int i = 0; i < k; i++) {
3126                  fs[i] = new CompletableFuture<>();
3127 +                exs[i] = new CFException();
3128 +            }
3129              CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3130              checkIncomplete(f);
3131 <            for (int i = 0; i < k; ++i) {
3132 <                fs[i].completeExceptionally(new CFException());
3133 <                checkCompletedWithWrappedCFException(f);
3131 >            for (int i = 0; i < k; i++) {
3132 >                fs[i].completeExceptionally(exs[i]);
3133 >                checkCompletedWithWrappedException(f, exs[0]);
3134 >                checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3135 >            }
3136 >        }
3137 >    }
3138 >
3139 >    public void testAnyOf_exceptional_backwards() throws Exception {
3140 >        for (int k = 0; k < 10; k++) {
3141 >            CompletableFuture[] fs = new CompletableFuture[k];
3142 >            CFException[] exs = new CFException[k];
3143 >            for (int i = 0; i < k; i++) {
3144 >                fs[i] = new CompletableFuture<>();
3145 >                exs[i] = new CFException();
3146 >            }
3147 >            CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3148 >            checkIncomplete(f);
3149 >            for (int i = k - 1; i >= 0; i--) {
3150 >                fs[i].completeExceptionally(exs[i]);
3151 >                checkCompletedWithWrappedException(f, exs[k - 1]);
3152                  checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3153              }
3154          }
# Line 3218 | Line 3167 | public class CompletableFutureTest exten
3167          Runnable[] throwingActions = {
3168              () -> CompletableFuture.supplyAsync(null),
3169              () -> CompletableFuture.supplyAsync(null, exec),
3170 <            () -> CompletableFuture.supplyAsync(supplyOne, null),
3170 >            () -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3171  
3172              () -> CompletableFuture.runAsync(null),
3173              () -> CompletableFuture.runAsync(null, exec),
# Line 3291 | Line 3240 | public class CompletableFutureTest exten
3240  
3241              () -> f.thenCompose(null),
3242              () -> f.thenComposeAsync(null),
3243 <            () -> f.thenComposeAsync(new CompletableFutureInc(), null),
3243 >            () -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3244              () -> f.thenComposeAsync(null, exec),
3245  
3246              () -> f.exceptionally(null),
# Line 3323 | Line 3272 | public class CompletableFutureTest exten
3272          assertSame(f, f.toCompletableFuture());
3273      }
3274  
3275 <    /**
3327 <     * whenComplete action executes on normal completion, propagating
3328 <     * source result.
3329 <     */
3330 <    public void testWhenComplete_normalCompletion1() {
3331 <        for (boolean createIncomplete : new boolean[] { true, false })
3332 <        for (ExecutionMode m : ExecutionMode.values())
3333 <        for (Integer v1 : new Integer[] { 1, null }) {
3275 >    //--- tests of implementation details; not part of official tck ---
3276  
3277 <        final AtomicInteger a = new AtomicInteger();
3278 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
3279 <        if (!createIncomplete) f.complete(v1);
3280 <        final CompletableFuture<Integer> g =
3281 <            m.whenComplete(f,
3282 <                           (Integer x, Throwable t) -> {
3283 <                               threadAssertSame(x, v1);
3342 <                               threadAssertNull(t);
3343 <                               a.getAndIncrement();
3344 <                           });
3345 <        if (createIncomplete) f.complete(v1);
3346 <        checkCompletedNormally(f, v1);
3347 <        checkCompletedNormally(g, v1);
3348 <        assertEquals(a.get(), 1);
3349 <        }
3277 >    Object resultOf(CompletableFuture<?> f) {
3278 >        try {
3279 >            java.lang.reflect.Field resultField
3280 >                = CompletableFuture.class.getDeclaredField("result");
3281 >            resultField.setAccessible(true);
3282 >            return resultField.get(f);
3283 >        } catch (Throwable t) { throw new AssertionError(t); }
3284      }
3285  
3286 <    /**
3287 <     * whenComplete action executes on exceptional completion, propagating
3354 <     * source result.
3355 <     */
3356 <    public void testWhenComplete_exceptionalCompletion() {
3357 <        for (boolean createIncomplete : new boolean[] { true, false })
3286 >    public void testExceptionPropagationReusesResultObject() {
3287 >        if (!testImplementationDetails) return;
3288          for (ExecutionMode m : ExecutionMode.values())
3289 <        for (Integer v1 : new Integer[] { 1, null }) {
3360 <
3361 <        final AtomicInteger a = new AtomicInteger();
3289 >    {
3290          final CFException ex = new CFException();
3291 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
3292 <        if (!createIncomplete) f.completeExceptionally(ex);
3365 <        final CompletableFuture<Integer> g = m.whenComplete
3366 <            (f,
3367 <             (Integer x, Throwable t) -> {
3368 <                threadAssertNull(x);
3369 <                threadAssertSame(t, ex);
3370 <                a.getAndIncrement();
3371 <            });
3372 <        if (createIncomplete) f.completeExceptionally(ex);
3373 <        checkCompletedWithWrappedCFException(f, ex);
3374 <        checkCompletedWithWrappedCFException(g, ex);
3375 <        assertEquals(a.get(), 1);
3376 <        }
3377 <    }
3291 >        final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3292 >        final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3293  
3294 <    /**
3295 <     * If a whenComplete action throws an exception when triggered by
3381 <     * a normal completion, it completes exceptionally
3382 <     */
3383 <    public void testWhenComplete_actionFailed() {
3384 <        for (boolean createIncomplete : new boolean[] { true, false })
3385 <        for (ExecutionMode m : ExecutionMode.values())
3386 <        for (Integer v1 : new Integer[] { 1, null }) {
3294 >        List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3295 >            = new ArrayList<>();
3296  
3297 <        final CFException ex = new CFException();
3298 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
3299 <        if (!createIncomplete) f.complete(v1);
3391 <        final CompletableFuture<Integer> g = m.whenComplete
3392 <            (f,
3393 <             (Integer x, Throwable t) -> {
3394 <                threadAssertSame(x, v1);
3395 <                threadAssertNull(t);
3396 <                throw ex;
3397 <            });
3398 <        if (createIncomplete) f.complete(v1);
3399 <        checkCompletedNormally(f, v1);
3400 <        checkCompletedWithWrappedCFException(g, ex);
3401 <        }
3402 <    }
3297 >        funs.add((y) -> m.thenRun(y, new Noop(m)));
3298 >        funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3299 >        funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3300  
3301 <    /**
3302 <     * If a whenComplete action throws an exception when triggered by
3303 <     * a source completion that also throws an exception, the source
3407 <     * exception takes precedence.
3408 <     */
3409 <    public void testWhenComplete_actionFailedSourceFailed() {
3410 <        for (boolean createIncomplete : new boolean[] { true, false })
3411 <        for (ExecutionMode m : ExecutionMode.values())
3412 <        for (Integer v1 : new Integer[] { 1, null }) {
3413 <
3414 <        final CFException ex1 = new CFException();
3415 <        final CFException ex2 = new CFException();
3416 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
3417 <
3418 <        if (!createIncomplete) f.completeExceptionally(ex1);
3419 <        final CompletableFuture<Integer> g = m.whenComplete
3420 <            (f,
3421 <             (Integer x, Throwable t) -> {
3422 <                threadAssertSame(t, ex1);
3423 <                threadAssertNull(x);
3424 <                throw ex2;
3425 <            });
3426 <        if (createIncomplete) f.completeExceptionally(ex1);
3301 >        funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3302 >        funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3303 >        funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3304  
3305 <        checkCompletedWithWrappedCFException(f, ex1);
3306 <        checkCompletedWithWrappedCFException(g, ex1);
3307 <        }
3431 <    }
3305 >        funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3306 >        funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3307 >        funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3308  
3309 <    /**
3434 <     * handleAsync action completes normally with function value on
3435 <     * either normal or exceptional completion of source
3436 <     */
3437 <    public void testHandleAsync() {
3438 <        CompletableFuture<Integer> f, g;
3439 <        IntegerHandler r;
3309 >        funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3310  
3311 <        f = new CompletableFuture<>();
3442 <        g = f.handleAsync(r = new IntegerHandler());
3443 <        assertEquals(0, r.invocationCount);
3444 <        f.completeExceptionally(new CFException());
3445 <        checkCompletedWithWrappedCFException(f);
3446 <        checkCompletedNormally(g, three);
3447 <        assertEquals(1, r.invocationCount);
3311 >        funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3312  
3313 <        f = new CompletableFuture<>();
3314 <        g = f.handleAsync(r = new IntegerHandler());
3451 <        assertEquals(0, r.invocationCount);
3452 <        f.completeExceptionally(new CFException());
3453 <        checkCompletedWithWrappedCFException(f);
3454 <        checkCompletedNormally(g, three);
3455 <        assertEquals(1, r.invocationCount);
3456 <
3457 <        f = new CompletableFuture<>();
3458 <        g = f.handleAsync(r = new IntegerHandler());
3459 <        assertEquals(0, r.invocationCount);
3460 <        f.complete(one);
3461 <        checkCompletedNormally(f, one);
3462 <        checkCompletedNormally(g, two);
3463 <        assertEquals(1, r.invocationCount);
3313 >        funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3314 >        funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3315  
3316 <        f = new CompletableFuture<>();
3317 <        g = f.handleAsync(r = new IntegerHandler());
3318 <        assertEquals(0, r.invocationCount);
3319 <        f.complete(one);
3320 <        checkCompletedNormally(f, one);
3321 <        checkCompletedNormally(g, two);
3322 <        assertEquals(1, r.invocationCount);
3323 <    }
3324 <
3325 <    /**
3475 <     * handleAsync action with Executor completes normally with
3476 <     * function value on either normal or exceptional completion of
3477 <     * source
3478 <     */
3479 <    public void testHandleAsync2() {
3480 <        CompletableFuture<Integer> f, g;
3481 <        ThreadExecutor exec = new ThreadExecutor();
3482 <        IntegerHandler r;
3483 <
3484 <        f = new CompletableFuture<>();
3485 <        g = f.handleAsync(r = new IntegerHandler(), exec);
3486 <        assertEquals(0, r.invocationCount);
3487 <        f.completeExceptionally(new CFException());
3488 <        checkCompletedWithWrappedCFException(f);
3489 <        checkCompletedNormally(g, three);
3490 <        assertEquals(1, r.invocationCount);
3316 >        for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3317 >                 fun : funs) {
3318 >            CompletableFuture<Integer> f = new CompletableFuture<>();
3319 >            f.completeExceptionally(ex);
3320 >            CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3321 >            checkCompletedWithWrappedException(src, ex);
3322 >            CompletableFuture<?> dep = fun.apply(src);
3323 >            checkCompletedWithWrappedException(dep, ex);
3324 >            assertSame(resultOf(src), resultOf(dep));
3325 >        }
3326  
3327 <        f = new CompletableFuture<>();
3328 <        g = f.handleAsync(r = new IntegerHandler(), exec);
3329 <        assertEquals(0, r.invocationCount);
3330 <        f.completeExceptionally(new CFException());
3331 <        checkCompletedWithWrappedCFException(f);
3332 <        checkCompletedNormally(g, three);
3333 <        assertEquals(1, r.invocationCount);
3327 >        for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3328 >                 fun : funs) {
3329 >            CompletableFuture<Integer> f = new CompletableFuture<>();
3330 >            CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3331 >            CompletableFuture<?> dep = fun.apply(src);
3332 >            f.completeExceptionally(ex);
3333 >            checkCompletedWithWrappedException(src, ex);
3334 >            checkCompletedWithWrappedException(dep, ex);
3335 >            assertSame(resultOf(src), resultOf(dep));
3336 >        }
3337  
3338 <        f = new CompletableFuture<>();
3339 <        g = f.handleAsync(r = new IntegerHandler(), exec);
3340 <        assertEquals(0, r.invocationCount);
3341 <        f.complete(one);
3342 <        checkCompletedNormally(f, one);
3343 <        checkCompletedNormally(g, two);
3344 <        assertEquals(1, r.invocationCount);
3338 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3339 >        for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3340 >                 fun : funs) {
3341 >            CompletableFuture<Integer> f = new CompletableFuture<>();
3342 >            f.cancel(mayInterruptIfRunning);
3343 >            checkCancelled(f);
3344 >            CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3345 >            checkCompletedWithWrappedCancellationException(src);
3346 >            CompletableFuture<?> dep = fun.apply(src);
3347 >            checkCompletedWithWrappedCancellationException(dep);
3348 >            assertSame(resultOf(src), resultOf(dep));
3349 >        }
3350  
3351 <        f = new CompletableFuture<>();
3352 <        g = f.handleAsync(r = new IntegerHandler(), exec);
3353 <        assertEquals(0, r.invocationCount);
3354 <        f.complete(one);
3355 <        checkCompletedNormally(f, one);
3356 <        checkCompletedNormally(g, two);
3357 <        assertEquals(1, r.invocationCount);
3358 <    }
3351 >        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3352 >        for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3353 >                 fun : funs) {
3354 >            CompletableFuture<Integer> f = new CompletableFuture<>();
3355 >            CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3356 >            CompletableFuture<?> dep = fun.apply(src);
3357 >            f.cancel(mayInterruptIfRunning);
3358 >            checkCancelled(f);
3359 >            checkCompletedWithWrappedCancellationException(src);
3360 >            checkCompletedWithWrappedCancellationException(dep);
3361 >            assertSame(resultOf(src), resultOf(dep));
3362 >        }
3363 >    }}
3364  
3365   }

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