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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.2 by jsr166, Wed Feb 6 20:29:55 2013 UTC vs.
Revision 1.38 by jsr166, Sun Jun 1 23:51:44 2014 UTC

# Line 1 | Line 1
1   /*
2 < * Written by Doug Lea with assistance from members of JCP JSR-166
3 < * Expert Group and released to the public domain, as explained at
2 > * Written by Doug Lea and Martin Buchholz with assistance from
3 > * members of JCP JSR-166 Expert Group and released to the public
4 > * domain, as explained at
5   * http://creativecommons.org/publicdomain/zero/1.0/
5 * Other contributors include Andrew Wright, Jeffrey Hayes,
6 * Pat Fisher, Mike Judd.
6   */
7  
8   import junit.framework.*;
9   import java.util.concurrent.Callable;
10 + import java.util.concurrent.Executor;
11 + import java.util.concurrent.ExecutorService;
12 + import java.util.concurrent.Executors;
13   import java.util.concurrent.CancellationException;
14   import java.util.concurrent.CountDownLatch;
15   import java.util.concurrent.ExecutionException;
16   import java.util.concurrent.Future;
17   import java.util.concurrent.CompletableFuture;
18 + import java.util.concurrent.CompletionException;
19 + import java.util.concurrent.CompletionStage;
20   import java.util.concurrent.TimeoutException;
21   import java.util.concurrent.atomic.AtomicInteger;
22   import static java.util.concurrent.TimeUnit.MILLISECONDS;
23   import static java.util.concurrent.TimeUnit.SECONDS;
24   import java.util.*;
25 + import java.util.function.Supplier;
26 + import java.util.function.Consumer;
27 + import java.util.function.BiConsumer;
28 + import java.util.function.Function;
29 + import java.util.function.BiFunction;
30  
31   public class CompletableFutureTest extends JSR166TestCase {
32  
# Line 28 | Line 37 | public class CompletableFutureTest exten
37          return new TestSuite(CompletableFutureTest.class);
38      }
39  
40 +    static class CFException extends RuntimeException {}
41 +
42 +    void checkIncomplete(CompletableFuture<?> f) {
43 +        assertFalse(f.isDone());
44 +        assertFalse(f.isCancelled());
45 +        assertTrue(f.toString().contains("[Not completed]"));
46 +        try {
47 +            assertNull(f.getNow(null));
48 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
49 +        try {
50 +            f.get(0L, SECONDS);
51 +            shouldThrow();
52 +        }
53 +        catch (TimeoutException success) {}
54 +        catch (Throwable fail) { threadUnexpectedException(fail); }
55 +    }
56 +
57 +    <T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
58 +        try {
59 +            assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
60 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
61 +        try {
62 +            assertEquals(value, f.join());
63 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
64 +        try {
65 +            assertEquals(value, f.getNow(null));
66 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
67 +        try {
68 +            assertEquals(value, f.get());
69 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
70 +        assertTrue(f.isDone());
71 +        assertFalse(f.isCancelled());
72 +        assertFalse(f.isCompletedExceptionally());
73 +        assertTrue(f.toString().contains("[Completed normally]"));
74 +    }
75 +
76 +    void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
77 +        try {
78 +            f.get(LONG_DELAY_MS, MILLISECONDS);
79 +            shouldThrow();
80 +        } catch (ExecutionException success) {
81 +            assertTrue(success.getCause() instanceof CFException);
82 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
83 +        try {
84 +            f.join();
85 +            shouldThrow();
86 +        } catch (CompletionException success) {
87 +            assertTrue(success.getCause() instanceof CFException);
88 +        }
89 +        try {
90 +            f.getNow(null);
91 +            shouldThrow();
92 +        } catch (CompletionException success) {
93 +            assertTrue(success.getCause() instanceof CFException);
94 +        }
95 +        try {
96 +            f.get();
97 +            shouldThrow();
98 +        } catch (ExecutionException success) {
99 +            assertTrue(success.getCause() instanceof CFException);
100 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
101 +        assertTrue(f.isDone());
102 +        assertFalse(f.isCancelled());
103 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
104 +    }
105 +
106 +    void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107 +                                              CFException ex) {
108 +        try {
109 +            f.get(LONG_DELAY_MS, MILLISECONDS);
110 +            shouldThrow();
111 +        } catch (ExecutionException success) {
112 +            assertSame(ex, success.getCause());
113 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
114 +        try {
115 +            f.join();
116 +            shouldThrow();
117 +        } catch (CompletionException success) {
118 +            assertSame(ex, success.getCause());
119 +        }
120 +        try {
121 +            f.getNow(null);
122 +            shouldThrow();
123 +        } catch (CompletionException success) {
124 +            assertSame(ex, success.getCause());
125 +        }
126 +        try {
127 +            f.get();
128 +            shouldThrow();
129 +        } catch (ExecutionException success) {
130 +            assertSame(ex, success.getCause());
131 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
132 +        assertTrue(f.isDone());
133 +        assertFalse(f.isCancelled());
134 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
135 +    }
136 +
137 +    void checkCancelled(CompletableFuture<?> f) {
138 +        try {
139 +            f.get(LONG_DELAY_MS, MILLISECONDS);
140 +            shouldThrow();
141 +        } catch (CancellationException success) {
142 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
143 +        try {
144 +            f.join();
145 +            shouldThrow();
146 +        } catch (CancellationException success) {}
147 +        try {
148 +            f.getNow(null);
149 +            shouldThrow();
150 +        } catch (CancellationException success) {}
151 +        try {
152 +            f.get();
153 +            shouldThrow();
154 +        } catch (CancellationException success) {
155 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
156 +        assertTrue(f.isDone());
157 +        assertTrue(f.isCompletedExceptionally());
158 +        assertTrue(f.isCancelled());
159 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
160 +    }
161 +
162 +    void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
163 +        try {
164 +            f.get(LONG_DELAY_MS, MILLISECONDS);
165 +            shouldThrow();
166 +        } catch (ExecutionException success) {
167 +            assertTrue(success.getCause() instanceof CancellationException);
168 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
169 +        try {
170 +            f.join();
171 +            shouldThrow();
172 +        } catch (CompletionException success) {
173 +            assertTrue(success.getCause() instanceof CancellationException);
174 +        }
175 +        try {
176 +            f.getNow(null);
177 +            shouldThrow();
178 +        } catch (CompletionException success) {
179 +            assertTrue(success.getCause() instanceof CancellationException);
180 +        }
181 +        try {
182 +            f.get();
183 +            shouldThrow();
184 +        } catch (ExecutionException success) {
185 +            assertTrue(success.getCause() instanceof CancellationException);
186 +        } catch (Throwable fail) { threadUnexpectedException(fail); }
187 +        assertTrue(f.isDone());
188 +        assertFalse(f.isCancelled());
189 +        assertTrue(f.isCompletedExceptionally());
190 +        assertTrue(f.toString().contains("[Completed exceptionally]"));
191 +    }
192 +
193 +    /**
194 +     * A newly constructed CompletableFuture is incomplete, as indicated
195 +     * by methods isDone, isCancelled, and getNow
196 +     */
197 +    public void testConstructor() {
198 +        CompletableFuture<Integer> f = new CompletableFuture<>();
199 +        checkIncomplete(f);
200 +    }
201 +
202 +    /**
203 +     * complete completes normally, as indicated by methods isDone,
204 +     * isCancelled, join, get, and getNow
205 +     */
206 +    public void testComplete() {
207 +        CompletableFuture<Integer> f = new CompletableFuture<>();
208 +        checkIncomplete(f);
209 +        f.complete(one);
210 +        checkCompletedNormally(f, one);
211 +    }
212 +
213 +    /**
214 +     * completeExceptionally completes exceptionally, as indicated by
215 +     * methods isDone, isCancelled, join, get, and getNow
216 +     */
217 +    public void testCompleteExceptionally() {
218 +        CompletableFuture<Integer> f = new CompletableFuture<>();
219 +        checkIncomplete(f);
220 +        f.completeExceptionally(new CFException());
221 +        checkCompletedWithWrappedCFException(f);
222 +    }
223 +
224 +    /**
225 +     * cancel completes exceptionally and reports cancelled, as indicated by
226 +     * methods isDone, isCancelled, join, get, and getNow
227 +     */
228 +    public void testCancel() {
229 +        CompletableFuture<Integer> f = new CompletableFuture<>();
230 +        checkIncomplete(f);
231 +        assertTrue(f.cancel(true));
232 +        checkCancelled(f);
233 +    }
234 +
235 +    /**
236 +     * obtrudeValue forces completion with given value
237 +     */
238 +    public void testObtrudeValue() {
239 +        CompletableFuture<Integer> f = new CompletableFuture<>();
240 +        checkIncomplete(f);
241 +        f.complete(one);
242 +        checkCompletedNormally(f, one);
243 +        f.obtrudeValue(three);
244 +        checkCompletedNormally(f, three);
245 +        f.obtrudeValue(two);
246 +        checkCompletedNormally(f, two);
247 +        f = new CompletableFuture<>();
248 +        f.obtrudeValue(three);
249 +        checkCompletedNormally(f, three);
250 +        f = new CompletableFuture<>();
251 +        f.completeExceptionally(new CFException());
252 +        f.obtrudeValue(four);
253 +        checkCompletedNormally(f, four);
254 +    }
255 +
256 +    /**
257 +     * obtrudeException forces completion with given exception
258 +     */
259 +    public void testObtrudeException() {
260 +        CompletableFuture<Integer> f = new CompletableFuture<>();
261 +        checkIncomplete(f);
262 +        f.complete(one);
263 +        checkCompletedNormally(f, one);
264 +        f.obtrudeException(new CFException());
265 +        checkCompletedWithWrappedCFException(f);
266 +        f = new CompletableFuture<>();
267 +        f.obtrudeException(new CFException());
268 +        checkCompletedWithWrappedCFException(f);
269 +        f = new CompletableFuture<>();
270 +        f.completeExceptionally(new CFException());
271 +        f.obtrudeValue(four);
272 +        checkCompletedNormally(f, four);
273 +        f.obtrudeException(new CFException());
274 +        checkCompletedWithWrappedCFException(f);
275 +    }
276 +
277 +    /**
278 +     * getNumberOfDependents returns number of dependent tasks
279 +     */
280 +    public void testGetNumberOfDependents() {
281 +        CompletableFuture<Integer> f = new CompletableFuture<>();
282 +        assertEquals(f.getNumberOfDependents(), 0);
283 +        CompletableFuture g = f.thenRun(new Noop());
284 +        assertEquals(f.getNumberOfDependents(), 1);
285 +        assertEquals(g.getNumberOfDependents(), 0);
286 +        CompletableFuture h = f.thenRun(new Noop());
287 +        assertEquals(f.getNumberOfDependents(), 2);
288 +        f.complete(1);
289 +        checkCompletedNormally(g, null);
290 +        assertEquals(f.getNumberOfDependents(), 0);
291 +        assertEquals(g.getNumberOfDependents(), 0);
292 +    }
293 +
294 +    /**
295 +     * toString indicates current completion state
296 +     */
297      public void testToString() {
298          CompletableFuture<String> f;
299  
# Line 41 | Line 307 | public class CompletableFutureTest exten
307          f.completeExceptionally(new IndexOutOfBoundsException());
308          assertTrue(f.toString().contains("[Completed exceptionally]"));
309      }
310 +
311 +    /**
312 +     * completedFuture returns a completed CompletableFuture with given value
313 +     */
314 +    public void testCompletedFuture() {
315 +        CompletableFuture<String> f = CompletableFuture.completedFuture("test");
316 +        checkCompletedNormally(f, "test");
317 +    }
318 +
319 +    // Choose non-commutative actions for better coverage
320 +
321 +    // A non-commutative function that handles and produces null values as well.
322 +    static Integer subtract(Integer x, Integer y) {
323 +        return (x == null && y == null) ? null :
324 +            ((x == null) ? 42 : x.intValue())
325 +            - ((y == null) ? 99 : y.intValue());
326 +    }
327 +
328 +    // A function that handles and produces null values as well.
329 +    static Integer inc(Integer x) {
330 +        return (x == null) ? null : x + 1;
331 +    }
332 +
333 +    static final Supplier<Integer> supplyOne =
334 +        () -> Integer.valueOf(1);
335 +    static final Function<Integer, Integer> inc =
336 +        (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;
342 +        public boolean ran() { return invocationCount == 1; }
343 +        public void accept(Integer x) {
344 +            invocationCount++;
345 +            value = inc(x);
346 +        }
347 +    }
348 +    static final class IncFunction implements Function<Integer,Integer> {
349 +        int invocationCount = 0;
350 +        Integer value;
351 +        public boolean ran() { return invocationCount == 1; }
352 +        public Integer apply(Integer x) {
353 +            invocationCount++;
354 +            return value = inc(x);
355 +        }
356 +    }
357 +    static final class SubtractAction implements BiConsumer<Integer, Integer> {
358 +        int invocationCount = 0;
359 +        Integer value;
360 +        // Check this action was invoked exactly once when result is computed.
361 +        public boolean ran() { return invocationCount == 1; }
362 +        public void accept(Integer x, Integer y) {
363 +            invocationCount++;
364 +            value = subtract(x, y);
365 +        }
366 +    }
367 +    static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
368 +        int invocationCount = 0;
369 +        Integer value;
370 +        // Check this action was invoked exactly once when result is computed.
371 +        public boolean ran() { return invocationCount == 1; }
372 +        public Integer apply(Integer x, Integer y) {
373 +            invocationCount++;
374 +            return value = subtract(x, y);
375 +        }
376 +    }
377 +    static final class Noop implements Runnable {
378 +        boolean ran;
379 +        public void run() { ran = true; }
380 +    }
381 +
382 +    static final class FailingSupplier implements Supplier<Integer> {
383 +        boolean ran;
384 +        public Integer get() { ran = true; throw new CFException(); }
385 +    }
386 +    static final class FailingConsumer implements Consumer<Integer> {
387 +        boolean ran;
388 +        public void accept(Integer x) { ran = true; throw new CFException(); }
389 +    }
390 +    static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
391 +        boolean ran;
392 +        public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
393 +    }
394 +    static final class FailingFunction implements Function<Integer, Integer> {
395 +        boolean ran;
396 +        public Integer apply(Integer x) { ran = true; throw new CFException(); }
397 +    }
398 +    static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
399 +        boolean ran;
400 +        public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
401 +    }
402 +    static final class FailingNoop implements Runnable {
403 +        boolean ran;
404 +        public void run() { ran = true; throw new CFException(); }
405 +    }
406 +
407 +    static final class CompletableFutureInc
408 +        implements Function<Integer, CompletableFuture<Integer>> {
409 +        boolean ran;
410 +        public CompletableFuture<Integer> apply(Integer x) {
411 +            ran = true;
412 +            CompletableFuture<Integer> f = new CompletableFuture<>();
413 +            f.complete(Integer.valueOf(x.intValue() + 1));
414 +            return f;
415 +        }
416 +    }
417 +
418 +    static final class FailingCompletableFutureFunction
419 +        implements Function<Integer, CompletableFuture<Integer>> {
420 +        boolean ran;
421 +        public CompletableFuture<Integer> apply(Integer x) {
422 +            ran = true; throw new CFException();
423 +        }
424 +    }
425 +
426 +    // Used for explicit executor tests
427 +    static final class ThreadExecutor implements Executor {
428 +        AtomicInteger count = new AtomicInteger(0);
429 +
430 +        public void execute(Runnable r) {
431 +            count.getAndIncrement();
432 +            new Thread(r).start();
433 +        }
434 +    }
435 +
436 +    static final class ExceptionToInteger implements Function<Throwable, Integer> {
437 +        public Integer apply(Throwable x) { return Integer.valueOf(3); }
438 +    }
439 +
440 +    static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
441 +        boolean ran;
442 +        public Integer apply(Integer x, Throwable t) {
443 +            ran = true;
444 +            return (t == null) ? two : three;
445 +        }
446 +    }
447 +
448 +    /**
449 +     * Permits the testing of parallel code for the 3 different
450 +     * execution modes without repeating all the testing code.
451 +     */
452 +    enum ExecutionMode {
453 +        DEFAULT {
454 +            public <T,U> CompletableFuture<Void> runAfterBoth
455 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
456 +                return f.runAfterBoth(g, a);
457 +            }
458 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
459 +                (CompletableFuture<T> f,
460 +                 CompletionStage<? extends U> g,
461 +                 BiConsumer<? super T,? super U> a) {
462 +                return f.thenAcceptBoth(g, a);
463 +            }
464 +            public <T,U,V> CompletableFuture<V> thenCombine
465 +                (CompletableFuture<T> f,
466 +                 CompletionStage<? extends U> g,
467 +                 BiFunction<? super T,? super U,? extends V> a) {
468 +                return f.thenCombine(g, a);
469 +            }
470 +            public <T,U> CompletableFuture<U> applyToEither
471 +                (CompletableFuture<T> f,
472 +                 CompletionStage<? extends T> g,
473 +                 Function<? super T,U> a) {
474 +                return f.applyToEither(g, a);
475 +            }
476 +            public <T> CompletableFuture<Void> acceptEither
477 +                (CompletableFuture<T> f,
478 +                 CompletionStage<? extends T> g,
479 +                 Consumer<? super T> a) {
480 +                return f.acceptEither(g, a);
481 +            }
482 +            public <T> CompletableFuture<Void> runAfterEither
483 +                (CompletableFuture<T> f,
484 +                 CompletionStage<?> g,
485 +                 java.lang.Runnable a) {
486 +                return f.runAfterEither(g, a);
487 +            }
488 +            public <T,U> CompletableFuture<U> thenCompose
489 +                (CompletableFuture<T> f,
490 +                 Function<? super T,? extends CompletionStage<U>> a) {
491 +                return f.thenCompose(a);
492 +            }
493 +            public <T> CompletableFuture<T> whenComplete
494 +                (CompletableFuture<T> f,
495 +                 BiConsumer<? super T,? super Throwable> a) {
496 +                return f.whenComplete(a);
497 +            }
498 +        },
499 +
500 + //             /** Experimental way to do more testing */
501 + //         REVERSE_DEFAULT {
502 + //             public <T,U> CompletableFuture<Void> runAfterBoth
503 + //                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
504 + //                 return g.runAfterBoth(f, a);
505 + //             }
506 + //             public <T,U> CompletableFuture<Void> thenAcceptBoth
507 + //                 (CompletableFuture<T> f,
508 + //                  CompletionStage<? extends U> g,
509 + //                  BiConsumer<? super T,? super U> a) {
510 + //                 return DEFAULT.thenAcceptBoth(f, g, a);
511 + //             }
512 + //         },
513 +
514 +        DEFAULT_ASYNC {
515 +            public <T,U> CompletableFuture<Void> runAfterBoth
516 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
517 +                return f.runAfterBothAsync(g, a);
518 +            }
519 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
520 +                (CompletableFuture<T> f,
521 +                 CompletionStage<? extends U> g,
522 +                 BiConsumer<? super T,? super U> a) {
523 +                return f.thenAcceptBothAsync(g, a);
524 +            }
525 +            public <T,U,V> CompletableFuture<V> thenCombine
526 +                (CompletableFuture<T> f,
527 +                 CompletionStage<? extends U> g,
528 +                 BiFunction<? super T,? super U,? extends V> a) {
529 +                return f.thenCombineAsync(g, a);
530 +            }
531 +            public <T,U> CompletableFuture<U> applyToEither
532 +                (CompletableFuture<T> f,
533 +                 CompletionStage<? extends T> g,
534 +                 Function<? super T,U> a) {
535 +                return f.applyToEitherAsync(g, a);
536 +            }
537 +            public <T> CompletableFuture<Void> acceptEither
538 +                (CompletableFuture<T> f,
539 +                 CompletionStage<? extends T> g,
540 +                 Consumer<? super T> a) {
541 +                return f.acceptEitherAsync(g, a);
542 +            }
543 +            public <T> CompletableFuture<Void> runAfterEither
544 +                (CompletableFuture<T> f,
545 +                 CompletionStage<?> g,
546 +                 java.lang.Runnable a) {
547 +                return f.runAfterEitherAsync(g, a);
548 +            }
549 +            public <T,U> CompletableFuture<U> thenCompose
550 +                (CompletableFuture<T> f,
551 +                 Function<? super T,? extends CompletionStage<U>> a) {
552 +                return f.thenComposeAsync(a);
553 +            }
554 +            public <T> CompletableFuture<T> whenComplete
555 +                (CompletableFuture<T> f,
556 +                 BiConsumer<? super T,? super Throwable> a) {
557 +                return f.whenCompleteAsync(a);
558 +            }
559 +        },
560 +
561 + //         REVERSE_DEFAULT_ASYNC {
562 + //             public <T,U> CompletableFuture<Void> runAfterBoth
563 + //                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
564 + //                 return f.runAfterBothAsync(g, a);
565 + //             }
566 + //             public <T,U> CompletableFuture<Void> thenAcceptBoth
567 + //                 (CompletableFuture<T> f,
568 + //                  CompletionStage<? extends U> g,
569 + //                  BiConsumer<? super T,? super U> a) {
570 + //                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
571 + //             }
572 + //         },
573 +
574 +        EXECUTOR {
575 +            public <T,U> CompletableFuture<Void> runAfterBoth
576 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
577 +                return f.runAfterBothAsync(g, a, new ThreadExecutor());
578 +            }
579 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
580 +                (CompletableFuture<T> f,
581 +                 CompletionStage<? extends U> g,
582 +                 BiConsumer<? super T,? super U> a) {
583 +                return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
584 +            }
585 +            public <T,U,V> CompletableFuture<V> thenCombine
586 +                (CompletableFuture<T> f,
587 +                 CompletionStage<? extends U> g,
588 +                 BiFunction<? super T,? super U,? extends V> a) {
589 +                return f.thenCombineAsync(g, a, new ThreadExecutor());
590 +            }
591 +            public <T,U> CompletableFuture<U> applyToEither
592 +                (CompletableFuture<T> f,
593 +                 CompletionStage<? extends T> g,
594 +                 Function<? super T,U> a) {
595 +                return f.applyToEitherAsync(g, a, new ThreadExecutor());
596 +            }
597 +            public <T> CompletableFuture<Void> acceptEither
598 +                (CompletableFuture<T> f,
599 +                 CompletionStage<? extends T> g,
600 +                 Consumer<? super T> a) {
601 +                return f.acceptEitherAsync(g, a, new ThreadExecutor());
602 +            }
603 +            public <T> CompletableFuture<Void> runAfterEither
604 +                (CompletableFuture<T> f,
605 +                 CompletionStage<?> g,
606 +                 java.lang.Runnable a) {
607 +                return f.runAfterEitherAsync(g, a, new ThreadExecutor());
608 +            }
609 +            public <T,U> CompletableFuture<U> thenCompose
610 +                (CompletableFuture<T> f,
611 +                 Function<? super T,? extends CompletionStage<U>> a) {
612 +                return f.thenComposeAsync(a, new ThreadExecutor());
613 +            }
614 +            public <T> CompletableFuture<T> whenComplete
615 +                (CompletableFuture<T> f,
616 +                 BiConsumer<? super T,? super Throwable> a) {
617 +                return f.whenCompleteAsync(a, new ThreadExecutor());
618 +            }
619 +        };
620 +
621 +        public abstract <T,U> CompletableFuture<Void> runAfterBoth
622 +            (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
623 +        public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
624 +            (CompletableFuture<T> f,
625 +             CompletionStage<? extends U> g,
626 +             BiConsumer<? super T,? super U> a);
627 +        public abstract <T,U,V> CompletableFuture<V> thenCombine
628 +            (CompletableFuture<T> f,
629 +             CompletionStage<? extends U> g,
630 +             BiFunction<? super T,? super U,? extends V> a);
631 +        public abstract <T,U> CompletableFuture<U> applyToEither
632 +            (CompletableFuture<T> f,
633 +             CompletionStage<? extends T> g,
634 +             Function<? super T,U> a);
635 +        public abstract <T> CompletableFuture<Void> acceptEither
636 +            (CompletableFuture<T> f,
637 +             CompletionStage<? extends T> g,
638 +             Consumer<? super T> a);
639 +        public abstract <T> CompletableFuture<Void> runAfterEither
640 +            (CompletableFuture<T> f,
641 +             CompletionStage<?> g,
642 +             java.lang.Runnable a);
643 +        public abstract <T,U> CompletableFuture<U> thenCompose
644 +            (CompletableFuture<T> f,
645 +             Function<? super T,? extends CompletionStage<U>> a);
646 +        public abstract <T> CompletableFuture<T> whenComplete
647 +            (CompletableFuture<T> f,
648 +             BiConsumer<? super T,? super Throwable> a);
649 +
650 +
651 +    }
652 +
653 +    /**
654 +     * exceptionally action completes with function value on source
655 +     * exception; otherwise with source value
656 +     */
657 +    public void testExceptionally() {
658 +        CompletableFuture<Integer> f = new CompletableFuture<>();
659 +        ExceptionToInteger r = new ExceptionToInteger();
660 +        CompletableFuture<Integer> g = f.exceptionally(r);
661 +        f.completeExceptionally(new CFException());
662 +        checkCompletedNormally(g, three);
663 +
664 +        f = new CompletableFuture<>();
665 +        r = new ExceptionToInteger();
666 +        g = f.exceptionally(r);
667 +        f.complete(one);
668 +        checkCompletedNormally(g, one);
669 +    }
670 +
671 +    /**
672 +     * handle action completes normally with function value on either
673 +     * normal or exceptional completion of source
674 +     */
675 +    public void testHandle() {
676 +        CompletableFuture<Integer> f, g;
677 +        IntegerHandler r;
678 +
679 +        f = new CompletableFuture<>();
680 +        f.completeExceptionally(new CFException());
681 +        g = f.handle(r = new IntegerHandler());
682 +        assertTrue(r.ran);
683 +        checkCompletedNormally(g, three);
684 +
685 +        f = new CompletableFuture<>();
686 +        g = f.handle(r = new IntegerHandler());
687 +        assertFalse(r.ran);
688 +        f.completeExceptionally(new CFException());
689 +        checkCompletedNormally(g, three);
690 +        assertTrue(r.ran);
691 +
692 +        f = new CompletableFuture<>();
693 +        f.complete(one);
694 +        g = f.handle(r = new IntegerHandler());
695 +        assertTrue(r.ran);
696 +        checkCompletedNormally(g, two);
697 +
698 +        f = new CompletableFuture<>();
699 +        g = f.handle(r = new IntegerHandler());
700 +        assertFalse(r.ran);
701 +        f.complete(one);
702 +        assertTrue(r.ran);
703 +        checkCompletedNormally(g, two);
704 +    }
705 +
706 +    /**
707 +     * runAsync completes after running Runnable
708 +     */
709 +    public void testRunAsync() {
710 +        Noop r = new Noop();
711 +        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
712 +        assertNull(f.join());
713 +        assertTrue(r.ran);
714 +        checkCompletedNormally(f, null);
715 +    }
716 +
717 +    /**
718 +     * runAsync with executor completes after running Runnable
719 +     */
720 +    public void testRunAsync2() {
721 +        Noop r = new Noop();
722 +        ThreadExecutor exec = new ThreadExecutor();
723 +        CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
724 +        assertNull(f.join());
725 +        assertTrue(r.ran);
726 +        checkCompletedNormally(f, null);
727 +        assertEquals(1, exec.count.get());
728 +    }
729 +
730 +    /**
731 +     * failing runAsync completes exceptionally after running Runnable
732 +     */
733 +    public void testRunAsync3() {
734 +        FailingNoop r = new FailingNoop();
735 +        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
736 +        checkCompletedWithWrappedCFException(f);
737 +        assertTrue(r.ran);
738 +    }
739 +
740 +    /**
741 +     * supplyAsync completes with result of supplier
742 +     */
743 +    public void testSupplyAsync() {
744 +        CompletableFuture<Integer> f;
745 +        f = CompletableFuture.supplyAsync(supplyOne);
746 +        assertEquals(f.join(), one);
747 +        checkCompletedNormally(f, one);
748 +    }
749 +
750 +    /**
751 +     * supplyAsync with executor completes with result of supplier
752 +     */
753 +    public void testSupplyAsync2() {
754 +        CompletableFuture<Integer> f;
755 +        f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
756 +        assertEquals(f.join(), one);
757 +        checkCompletedNormally(f, one);
758 +    }
759 +
760 +    /**
761 +     * Failing supplyAsync completes exceptionally
762 +     */
763 +    public void testSupplyAsync3() {
764 +        FailingSupplier r = new FailingSupplier();
765 +        CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
766 +        checkCompletedWithWrappedCFException(f);
767 +        assertTrue(r.ran);
768 +    }
769 +
770 +    // seq completion methods
771 +
772 +    /**
773 +     * thenRun result completes normally after normal completion of source
774 +     */
775 +    public void testThenRun() {
776 +        CompletableFuture<Integer> f;
777 +        CompletableFuture<Void> g;
778 +        Noop r;
779 +
780 +        f = new CompletableFuture<>();
781 +        g = f.thenRun(r = new Noop());
782 +        f.complete(null);
783 +        checkCompletedNormally(g, null);
784 +        assertTrue(r.ran);
785 +
786 +        f = new CompletableFuture<>();
787 +        f.complete(null);
788 +        g = f.thenRun(r = new Noop());
789 +        checkCompletedNormally(g, null);
790 +        assertTrue(r.ran);
791 +    }
792 +
793 +    /**
794 +     * thenRun result completes exceptionally after exceptional
795 +     * completion of source
796 +     */
797 +    public void testThenRun2() {
798 +        CompletableFuture<Integer> f;
799 +        CompletableFuture<Void> g;
800 +        Noop r;
801 +
802 +        f = new CompletableFuture<>();
803 +        g = f.thenRun(r = new Noop());
804 +        f.completeExceptionally(new CFException());
805 +        checkCompletedWithWrappedCFException(g);
806 +        assertFalse(r.ran);
807 +
808 +        f = new CompletableFuture<>();
809 +        f.completeExceptionally(new CFException());
810 +        g = f.thenRun(r = new Noop());
811 +        checkCompletedWithWrappedCFException(g);
812 +        assertFalse(r.ran);
813 +    }
814 +
815 +    /**
816 +     * thenRun result completes exceptionally if action does
817 +     */
818 +    public void testThenRun3() {
819 +        CompletableFuture<Integer> f;
820 +        CompletableFuture<Void> g;
821 +        FailingNoop r;
822 +
823 +        f = new CompletableFuture<>();
824 +        g = f.thenRun(r = new FailingNoop());
825 +        f.complete(null);
826 +        checkCompletedWithWrappedCFException(g);
827 +
828 +        f = new CompletableFuture<>();
829 +        f.complete(null);
830 +        g = f.thenRun(r = new FailingNoop());
831 +        checkCompletedWithWrappedCFException(g);
832 +    }
833 +
834 +    /**
835 +     * thenRun result completes exceptionally if source cancelled
836 +     */
837 +    public void testThenRun4() {
838 +        CompletableFuture<Integer> f;
839 +        CompletableFuture<Void> g;
840 +        Noop r;
841 +
842 +        f = new CompletableFuture<>();
843 +        g = f.thenRun(r = new Noop());
844 +        assertTrue(f.cancel(true));
845 +        checkCompletedWithWrappedCancellationException(g);
846 +
847 +        f = new CompletableFuture<>();
848 +        assertTrue(f.cancel(true));
849 +        g = f.thenRun(r = new Noop());
850 +        checkCompletedWithWrappedCancellationException(g);
851 +    }
852 +
853 +    /**
854 +     * thenApply result completes normally after normal completion of source
855 +     */
856 +    public void testThenApply() {
857 +        CompletableFuture<Integer> f = new CompletableFuture<>();
858 +        CompletableFuture<Integer> g = f.thenApply(inc);
859 +        f.complete(one);
860 +        checkCompletedNormally(g, two);
861 +    }
862 +
863 +    /**
864 +     * thenApply result completes exceptionally after exceptional
865 +     * completion of source
866 +     */
867 +    public void testThenApply2() {
868 +        CompletableFuture<Integer> f = new CompletableFuture<>();
869 +        CompletableFuture<Integer> g = f.thenApply(inc);
870 +        f.completeExceptionally(new CFException());
871 +        checkCompletedWithWrappedCFException(g);
872 +    }
873 +
874 +    /**
875 +     * thenApply result completes exceptionally if action does
876 +     */
877 +    public void testThenApply3() {
878 +        CompletableFuture<Integer> f = new CompletableFuture<>();
879 +        CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
880 +        f.complete(one);
881 +        checkCompletedWithWrappedCFException(g);
882 +    }
883 +
884 +    /**
885 +     * thenApply result completes exceptionally if source cancelled
886 +     */
887 +    public void testThenApply4() {
888 +        CompletableFuture<Integer> f = new CompletableFuture<>();
889 +        CompletableFuture<Integer> g = f.thenApply(inc);
890 +        assertTrue(f.cancel(true));
891 +        checkCompletedWithWrappedCancellationException(g);
892 +    }
893 +
894 +    /**
895 +     * thenAccept result completes normally after normal completion of source
896 +     */
897 +    public void testThenAccept() {
898 +        CompletableFuture<Integer> f = new CompletableFuture<>();
899 +        IncAction r = new IncAction();
900 +        CompletableFuture<Void> g = f.thenAccept(r);
901 +        f.complete(one);
902 +        checkCompletedNormally(g, null);
903 +        assertEquals(r.value, (Integer) 2);
904 +    }
905 +
906 +    /**
907 +     * thenAccept result completes exceptionally after exceptional
908 +     * completion of source
909 +     */
910 +    public void testThenAccept2() {
911 +        CompletableFuture<Integer> f = new CompletableFuture<>();
912 +        IncAction r = new IncAction();
913 +        CompletableFuture<Void> g = f.thenAccept(r);
914 +        f.completeExceptionally(new CFException());
915 +        checkCompletedWithWrappedCFException(g);
916 +    }
917 +
918 +    /**
919 +     * thenAccept result completes exceptionally if action does
920 +     */
921 +    public void testThenAccept3() {
922 +        CompletableFuture<Integer> f = new CompletableFuture<>();
923 +        FailingConsumer r = new FailingConsumer();
924 +        CompletableFuture<Void> g = f.thenAccept(r);
925 +        f.complete(one);
926 +        checkCompletedWithWrappedCFException(g);
927 +        assertTrue(r.ran);
928 +    }
929 +
930 +    /**
931 +     * thenAccept result completes exceptionally if source cancelled
932 +     */
933 +    public void testThenAccept4() {
934 +        CompletableFuture<Integer> f = new CompletableFuture<>();
935 +        IncAction r = new IncAction();
936 +        CompletableFuture<Void> g = f.thenAccept(r);
937 +        assertTrue(f.cancel(true));
938 +        checkCompletedWithWrappedCancellationException(g);
939 +    }
940 +
941 +    /**
942 +     * thenCombine result completes normally after normal completion
943 +     * of sources
944 +     */
945 +    public void testThenCombine_normalCompletion1() {
946 +        for (ExecutionMode m : ExecutionMode.values())
947 +        for (Integer v1 : new Integer[] { 1, null })
948 +        for (Integer v2 : new Integer[] { 2, null }) {
949 +
950 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
951 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
952 +        final SubtractFunction r = new SubtractFunction();
953 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
954 +
955 +        f.complete(v1);
956 +        checkIncomplete(h);
957 +        assertFalse(r.ran());
958 +        g.complete(v2);
959 +
960 +        checkCompletedNormally(h, subtract(v1, v2));
961 +        checkCompletedNormally(f, v1);
962 +        checkCompletedNormally(g, v2);
963 +        }
964 +    }
965 +
966 +    public void testThenCombine_normalCompletion2() {
967 +        for (ExecutionMode m : ExecutionMode.values())
968 +        for (Integer v1 : new Integer[] { 1, null })
969 +        for (Integer v2 : new Integer[] { 2, null }) {
970 +
971 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
972 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
973 +        final SubtractFunction r = new SubtractFunction();
974 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
975 +
976 +        g.complete(v2);
977 +        checkIncomplete(h);
978 +        assertFalse(r.ran());
979 +        f.complete(v1);
980 +
981 +        checkCompletedNormally(h, subtract(v1, v2));
982 +        checkCompletedNormally(f, v1);
983 +        checkCompletedNormally(g, v2);
984 +        }
985 +    }
986 +
987 +    public void testThenCombine_normalCompletion3() {
988 +        for (ExecutionMode m : ExecutionMode.values())
989 +        for (Integer v1 : new Integer[] { 1, null })
990 +        for (Integer v2 : new Integer[] { 2, null }) {
991 +
992 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
993 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
994 +        final SubtractFunction r = new SubtractFunction();
995 +
996 +        g.complete(v2);
997 +        f.complete(v1);
998 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
999 +
1000 +        checkCompletedNormally(h, subtract(v1, v2));
1001 +        checkCompletedNormally(f, v1);
1002 +        checkCompletedNormally(g, v2);
1003 +        }
1004 +    }
1005 +
1006 +    public void testThenCombine_normalCompletion4() {
1007 +        for (ExecutionMode m : ExecutionMode.values())
1008 +        for (Integer v1 : new Integer[] { 1, null })
1009 +        for (Integer v2 : new Integer[] { 2, null }) {
1010 +
1011 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1012 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1013 +        final SubtractFunction r = new SubtractFunction();
1014 +
1015 +        f.complete(v1);
1016 +        g.complete(v2);
1017 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1018 +
1019 +        checkCompletedNormally(h, subtract(v1, v2));
1020 +        checkCompletedNormally(f, v1);
1021 +        checkCompletedNormally(g, v2);
1022 +        }
1023 +    }
1024 +
1025 +    /**
1026 +     * thenCombine result completes exceptionally after exceptional
1027 +     * completion of either source
1028 +     */
1029 +    public void testThenCombine_exceptionalCompletion1() {
1030 +        for (ExecutionMode m : ExecutionMode.values())
1031 +        for (Integer v1 : new Integer[] { 1, null }) {
1032 +
1033 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1034 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1035 +        final SubtractFunction r = new SubtractFunction();
1036 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1037 +        final CFException ex = new CFException();
1038 +
1039 +        f.completeExceptionally(ex);
1040 +        checkIncomplete(h);
1041 +        g.complete(v1);
1042 +
1043 +        checkCompletedWithWrappedCFException(h, ex);
1044 +        checkCompletedWithWrappedCFException(f, ex);
1045 +        assertFalse(r.ran());
1046 +        checkCompletedNormally(g, v1);
1047 +        }
1048 +    }
1049 +
1050 +    public void testThenCombine_exceptionalCompletion2() {
1051 +        for (ExecutionMode m : ExecutionMode.values())
1052 +        for (Integer v1 : new Integer[] { 1, null }) {
1053 +
1054 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1055 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1056 +        final SubtractFunction r = new SubtractFunction();
1057 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1058 +        final CFException ex = new CFException();
1059 +
1060 +        g.completeExceptionally(ex);
1061 +        checkIncomplete(h);
1062 +        f.complete(v1);
1063 +
1064 +        checkCompletedWithWrappedCFException(h, ex);
1065 +        checkCompletedWithWrappedCFException(g, ex);
1066 +        assertFalse(r.ran());
1067 +        checkCompletedNormally(f, v1);
1068 +        }
1069 +    }
1070 +
1071 +    public void testThenCombine_exceptionalCompletion3() {
1072 +        for (ExecutionMode m : ExecutionMode.values())
1073 +        for (Integer v1 : new Integer[] { 1, null }) {
1074 +
1075 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1076 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1077 +        final SubtractFunction r = new SubtractFunction();
1078 +        final CFException ex = new CFException();
1079 +
1080 +        g.completeExceptionally(ex);
1081 +        f.complete(v1);
1082 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1083 +
1084 +        checkCompletedWithWrappedCFException(h, ex);
1085 +        checkCompletedWithWrappedCFException(g, ex);
1086 +        assertFalse(r.ran());
1087 +        checkCompletedNormally(f, v1);
1088 +        }
1089 +    }
1090 +
1091 +    public void testThenCombine_exceptionalCompletion4() {
1092 +        for (ExecutionMode m : ExecutionMode.values())
1093 +        for (Integer v1 : new Integer[] { 1, null }) {
1094 +
1095 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1096 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1097 +        final SubtractFunction r = new SubtractFunction();
1098 +        final CFException ex = new CFException();
1099 +
1100 +        f.completeExceptionally(ex);
1101 +        g.complete(v1);
1102 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1103 +
1104 +        checkCompletedWithWrappedCFException(h, ex);
1105 +        checkCompletedWithWrappedCFException(f, ex);
1106 +        assertFalse(r.ran());
1107 +        checkCompletedNormally(g, v1);
1108 +        }
1109 +    }
1110 +
1111 +    /**
1112 +     * thenCombine result completes exceptionally if action does
1113 +     */
1114 +    public void testThenCombine_actionFailed1() {
1115 +        for (ExecutionMode m : ExecutionMode.values())
1116 +        for (Integer v1 : new Integer[] { 1, null })
1117 +        for (Integer v2 : new Integer[] { 2, null }) {
1118 +
1119 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1120 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1121 +        final FailingBiFunction r = new FailingBiFunction();
1122 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1123 +
1124 +        f.complete(v1);
1125 +        checkIncomplete(h);
1126 +        g.complete(v2);
1127 +
1128 +        checkCompletedWithWrappedCFException(h);
1129 +        checkCompletedNormally(f, v1);
1130 +        checkCompletedNormally(g, v2);
1131 +        }
1132 +    }
1133 +
1134 +    public void testThenCombine_actionFailed2() {
1135 +        for (ExecutionMode m : ExecutionMode.values())
1136 +        for (Integer v1 : new Integer[] { 1, null })
1137 +        for (Integer v2 : new Integer[] { 2, null }) {
1138 +
1139 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1140 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1141 +        final FailingBiFunction r = new FailingBiFunction();
1142 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1143 +
1144 +        g.complete(v2);
1145 +        checkIncomplete(h);
1146 +        f.complete(v1);
1147 +
1148 +        checkCompletedWithWrappedCFException(h);
1149 +        checkCompletedNormally(f, v1);
1150 +        checkCompletedNormally(g, v2);
1151 +        }
1152 +    }
1153 +
1154 +    /**
1155 +     * thenCombine result completes exceptionally if either source cancelled
1156 +     */
1157 +    public void testThenCombine_sourceCancelled1() {
1158 +        for (ExecutionMode m : ExecutionMode.values())
1159 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1160 +        for (Integer v1 : new Integer[] { 1, null }) {
1161 +
1162 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1163 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1164 +        final SubtractFunction r = new SubtractFunction();
1165 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1166 +
1167 +        assertTrue(f.cancel(mayInterruptIfRunning));
1168 +        checkIncomplete(h);
1169 +        g.complete(v1);
1170 +
1171 +        checkCompletedWithWrappedCancellationException(h);
1172 +        checkCancelled(f);
1173 +        assertFalse(r.ran());
1174 +        checkCompletedNormally(g, v1);
1175 +        }
1176 +    }
1177 +
1178 +    public void testThenCombine_sourceCancelled2() {
1179 +        for (ExecutionMode m : ExecutionMode.values())
1180 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1181 +        for (Integer v1 : new Integer[] { 1, null }) {
1182 +
1183 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1184 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1185 +        final SubtractFunction r = new SubtractFunction();
1186 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1187 +
1188 +        assertTrue(g.cancel(mayInterruptIfRunning));
1189 +        checkIncomplete(h);
1190 +        f.complete(v1);
1191 +
1192 +        checkCompletedWithWrappedCancellationException(h);
1193 +        checkCancelled(g);
1194 +        assertFalse(r.ran());
1195 +        checkCompletedNormally(f, v1);
1196 +        }
1197 +    }
1198 +
1199 +    public void testThenCombine_sourceCancelled3() {
1200 +        for (ExecutionMode m : ExecutionMode.values())
1201 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1202 +        for (Integer v1 : new Integer[] { 1, null }) {
1203 +
1204 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1205 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1206 +        final SubtractFunction r = new SubtractFunction();
1207 +
1208 +        assertTrue(g.cancel(mayInterruptIfRunning));
1209 +        f.complete(v1);
1210 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1211 +
1212 +        checkCompletedWithWrappedCancellationException(h);
1213 +        checkCancelled(g);
1214 +        assertFalse(r.ran());
1215 +        checkCompletedNormally(f, v1);
1216 +        }
1217 +    }
1218 +
1219 +    public void testThenCombine_sourceCancelled4() {
1220 +        for (ExecutionMode m : ExecutionMode.values())
1221 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1222 +        for (Integer v1 : new Integer[] { 1, null }) {
1223 +
1224 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1225 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1226 +        final SubtractFunction r = new SubtractFunction();
1227 +
1228 +        assertTrue(f.cancel(mayInterruptIfRunning));
1229 +        g.complete(v1);
1230 +        final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1231 +
1232 +        checkCompletedWithWrappedCancellationException(h);
1233 +        checkCancelled(f);
1234 +        assertFalse(r.ran());
1235 +        checkCompletedNormally(g, v1);
1236 +        }
1237 +    }
1238 +
1239 +    /**
1240 +     * thenAcceptBoth result completes normally after normal
1241 +     * completion of sources
1242 +     */
1243 +    public void testThenAcceptBoth_normalCompletion1() {
1244 +        for (ExecutionMode m : ExecutionMode.values())
1245 +        for (Integer v1 : new Integer[] { 1, null })
1246 +        for (Integer v2 : new Integer[] { 2, null }) {
1247 +
1248 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1249 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1250 +        final SubtractAction r = new SubtractAction();
1251 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1252 +
1253 +        f.complete(v1);
1254 +        checkIncomplete(h);
1255 +        assertFalse(r.ran());
1256 +        g.complete(v2);
1257 +
1258 +        checkCompletedNormally(h, null);
1259 +        assertEquals(r.value, subtract(v1, v2));
1260 +        checkCompletedNormally(f, v1);
1261 +        checkCompletedNormally(g, v2);
1262 +        }
1263 +    }
1264 +
1265 +    public void testThenAcceptBoth_normalCompletion2() {
1266 +        for (ExecutionMode m : ExecutionMode.values())
1267 +        for (Integer v1 : new Integer[] { 1, null })
1268 +        for (Integer v2 : new Integer[] { 2, null }) {
1269 +
1270 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1271 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1272 +        final SubtractAction r = new SubtractAction();
1273 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1274 +
1275 +        g.complete(v2);
1276 +        checkIncomplete(h);
1277 +        assertFalse(r.ran());
1278 +        f.complete(v1);
1279 +
1280 +        checkCompletedNormally(h, null);
1281 +        assertEquals(r.value, subtract(v1, v2));
1282 +        checkCompletedNormally(f, v1);
1283 +        checkCompletedNormally(g, v2);
1284 +        }
1285 +    }
1286 +
1287 +    public void testThenAcceptBoth_normalCompletion3() {
1288 +        for (ExecutionMode m : ExecutionMode.values())
1289 +        for (Integer v1 : new Integer[] { 1, null })
1290 +        for (Integer v2 : new Integer[] { 2, null }) {
1291 +
1292 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1293 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1294 +        final SubtractAction r = new SubtractAction();
1295 +
1296 +        g.complete(v2);
1297 +        f.complete(v1);
1298 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1299 +
1300 +        checkCompletedNormally(h, null);
1301 +        assertEquals(r.value, subtract(v1, v2));
1302 +        checkCompletedNormally(f, v1);
1303 +        checkCompletedNormally(g, v2);
1304 +        }
1305 +    }
1306 +
1307 +    public void testThenAcceptBoth_normalCompletion4() {
1308 +        for (ExecutionMode m : ExecutionMode.values())
1309 +        for (Integer v1 : new Integer[] { 1, null })
1310 +        for (Integer v2 : new Integer[] { 2, null }) {
1311 +
1312 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1313 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1314 +        final SubtractAction r = new SubtractAction();
1315 +
1316 +        f.complete(v1);
1317 +        g.complete(v2);
1318 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1319 +
1320 +        checkCompletedNormally(h, null);
1321 +        assertEquals(r.value, subtract(v1, v2));
1322 +        checkCompletedNormally(f, v1);
1323 +        checkCompletedNormally(g, v2);
1324 +        }
1325 +    }
1326 +
1327 +    /**
1328 +     * thenAcceptBoth result completes exceptionally after exceptional
1329 +     * completion of either source
1330 +     */
1331 +    public void testThenAcceptBoth_exceptionalCompletion1() {
1332 +        for (ExecutionMode m : ExecutionMode.values())
1333 +        for (Integer v1 : new Integer[] { 1, null }) {
1334 +
1335 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1336 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1337 +        final SubtractAction r = new SubtractAction();
1338 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1339 +        final CFException ex = new CFException();
1340 +
1341 +        f.completeExceptionally(ex);
1342 +        checkIncomplete(h);
1343 +        g.complete(v1);
1344 +
1345 +        checkCompletedWithWrappedCFException(h, ex);
1346 +        checkCompletedWithWrappedCFException(f, ex);
1347 +        assertFalse(r.ran());
1348 +        checkCompletedNormally(g, v1);
1349 +        }
1350 +    }
1351 +
1352 +    public void testThenAcceptBoth_exceptionalCompletion2() {
1353 +        for (ExecutionMode m : ExecutionMode.values())
1354 +        for (Integer v1 : new Integer[] { 1, null }) {
1355 +
1356 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1357 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1358 +        final SubtractAction r = new SubtractAction();
1359 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1360 +        final CFException ex = new CFException();
1361 +
1362 +        g.completeExceptionally(ex);
1363 +        checkIncomplete(h);
1364 +        f.complete(v1);
1365 +
1366 +        checkCompletedWithWrappedCFException(h, ex);
1367 +        checkCompletedWithWrappedCFException(g, ex);
1368 +        assertFalse(r.ran());
1369 +        checkCompletedNormally(f, v1);
1370 +        }
1371 +    }
1372 +
1373 +    public void testThenAcceptBoth_exceptionalCompletion3() {
1374 +        for (ExecutionMode m : ExecutionMode.values())
1375 +        for (Integer v1 : new Integer[] { 1, null }) {
1376 +
1377 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1378 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1379 +        final SubtractAction r = new SubtractAction();
1380 +        final CFException ex = new CFException();
1381 +
1382 +        g.completeExceptionally(ex);
1383 +        f.complete(v1);
1384 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1385 +
1386 +        checkCompletedWithWrappedCFException(h, ex);
1387 +        checkCompletedWithWrappedCFException(g, ex);
1388 +        assertFalse(r.ran());
1389 +        checkCompletedNormally(f, v1);
1390 +        }
1391 +    }
1392 +
1393 +    public void testThenAcceptBoth_exceptionalCompletion4() {
1394 +        for (ExecutionMode m : ExecutionMode.values())
1395 +        for (Integer v1 : new Integer[] { 1, null }) {
1396 +
1397 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1398 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1399 +        final SubtractAction r = new SubtractAction();
1400 +        final CFException ex = new CFException();
1401 +
1402 +        f.completeExceptionally(ex);
1403 +        g.complete(v1);
1404 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1405 +
1406 +        checkCompletedWithWrappedCFException(h, ex);
1407 +        checkCompletedWithWrappedCFException(f, ex);
1408 +        assertFalse(r.ran());
1409 +        checkCompletedNormally(g, v1);
1410 +        }
1411 +    }
1412 +
1413 +    /**
1414 +     * thenAcceptBoth result completes exceptionally if action does
1415 +     */
1416 +    public void testThenAcceptBoth_actionFailed1() {
1417 +        for (ExecutionMode m : ExecutionMode.values())
1418 +        for (Integer v1 : new Integer[] { 1, null })
1419 +        for (Integer v2 : new Integer[] { 2, null }) {
1420 +
1421 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1422 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1423 +        final FailingBiConsumer r = new FailingBiConsumer();
1424 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1425 +
1426 +        f.complete(v1);
1427 +        checkIncomplete(h);
1428 +        g.complete(v2);
1429 +
1430 +        checkCompletedWithWrappedCFException(h);
1431 +        checkCompletedNormally(f, v1);
1432 +        checkCompletedNormally(g, v2);
1433 +        }
1434 +    }
1435 +
1436 +    public void testThenAcceptBoth_actionFailed2() {
1437 +        for (ExecutionMode m : ExecutionMode.values())
1438 +        for (Integer v1 : new Integer[] { 1, null })
1439 +        for (Integer v2 : new Integer[] { 2, null }) {
1440 +
1441 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1442 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1443 +        final FailingBiConsumer r = new FailingBiConsumer();
1444 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1445 +
1446 +        g.complete(v2);
1447 +        checkIncomplete(h);
1448 +        f.complete(v1);
1449 +
1450 +        checkCompletedWithWrappedCFException(h);
1451 +        checkCompletedNormally(f, v1);
1452 +        checkCompletedNormally(g, v2);
1453 +        }
1454 +    }
1455 +
1456 +    /**
1457 +     * thenAcceptBoth result completes exceptionally if either source cancelled
1458 +     */
1459 +    public void testThenAcceptBoth_sourceCancelled1() {
1460 +        for (ExecutionMode m : ExecutionMode.values())
1461 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1462 +        for (Integer v1 : new Integer[] { 1, null }) {
1463 +
1464 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1465 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1466 +        final SubtractAction r = new SubtractAction();
1467 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1468 +
1469 +        assertTrue(f.cancel(mayInterruptIfRunning));
1470 +        checkIncomplete(h);
1471 +        g.complete(v1);
1472 +
1473 +        checkCompletedWithWrappedCancellationException(h);
1474 +        checkCancelled(f);
1475 +        assertFalse(r.ran());
1476 +        checkCompletedNormally(g, v1);
1477 +        }
1478 +    }
1479 +
1480 +    public void testThenAcceptBoth_sourceCancelled2() {
1481 +        for (ExecutionMode m : ExecutionMode.values())
1482 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1483 +        for (Integer v1 : new Integer[] { 1, null }) {
1484 +
1485 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1486 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1487 +        final SubtractAction r = new SubtractAction();
1488 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1489 +
1490 +        assertTrue(g.cancel(mayInterruptIfRunning));
1491 +        checkIncomplete(h);
1492 +        f.complete(v1);
1493 +
1494 +        checkCompletedWithWrappedCancellationException(h);
1495 +        checkCancelled(g);
1496 +        assertFalse(r.ran());
1497 +        checkCompletedNormally(f, v1);
1498 +        }
1499 +    }
1500 +
1501 +    public void testThenAcceptBoth_sourceCancelled3() {
1502 +        for (ExecutionMode m : ExecutionMode.values())
1503 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1504 +        for (Integer v1 : new Integer[] { 1, null }) {
1505 +
1506 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1507 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1508 +        final SubtractAction r = new SubtractAction();
1509 +
1510 +        assertTrue(g.cancel(mayInterruptIfRunning));
1511 +        f.complete(v1);
1512 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1513 +
1514 +        checkCompletedWithWrappedCancellationException(h);
1515 +        checkCancelled(g);
1516 +        assertFalse(r.ran());
1517 +        checkCompletedNormally(f, v1);
1518 +        }
1519 +    }
1520 +
1521 +    public void testThenAcceptBoth_sourceCancelled4() {
1522 +        for (ExecutionMode m : ExecutionMode.values())
1523 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1524 +        for (Integer v1 : new Integer[] { 1, null }) {
1525 +
1526 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1527 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1528 +        final SubtractAction r = new SubtractAction();
1529 +
1530 +        assertTrue(f.cancel(mayInterruptIfRunning));
1531 +        g.complete(v1);
1532 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1533 +
1534 +        checkCompletedWithWrappedCancellationException(h);
1535 +        checkCancelled(f);
1536 +        assertFalse(r.ran());
1537 +        checkCompletedNormally(g, v1);
1538 +        }
1539 +    }
1540 +
1541 +    /**
1542 +     * runAfterBoth result completes normally after normal
1543 +     * completion of sources
1544 +     */
1545 +    public void testRunAfterBoth_normalCompletion1() {
1546 +        for (ExecutionMode m : ExecutionMode.values())
1547 +        for (Integer v1 : new Integer[] { 1, null })
1548 +        for (Integer v2 : new Integer[] { 2, null }) {
1549 +
1550 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1551 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1552 +        final Noop r = new Noop();
1553 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1554 +
1555 +        f.complete(v1);
1556 +        checkIncomplete(h);
1557 +        assertFalse(r.ran);
1558 +        g.complete(v2);
1559 +
1560 +        checkCompletedNormally(h, null);
1561 +        assertTrue(r.ran);
1562 +        checkCompletedNormally(f, v1);
1563 +        checkCompletedNormally(g, v2);
1564 +        }
1565 +    }
1566 +
1567 +    public void testRunAfterBoth_normalCompletion2() {
1568 +        for (ExecutionMode m : ExecutionMode.values())
1569 +        for (Integer v1 : new Integer[] { 1, null })
1570 +        for (Integer v2 : new Integer[] { 2, null }) {
1571 +
1572 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1573 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1574 +        final Noop r = new Noop();
1575 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1576 +
1577 +        g.complete(v2);
1578 +        checkIncomplete(h);
1579 +        assertFalse(r.ran);
1580 +        f.complete(v1);
1581 +
1582 +        checkCompletedNormally(h, null);
1583 +        assertTrue(r.ran);
1584 +        checkCompletedNormally(f, v1);
1585 +        checkCompletedNormally(g, v2);
1586 +        }
1587 +    }
1588 +
1589 +    public void testRunAfterBoth_normalCompletion3() {
1590 +        for (ExecutionMode m : ExecutionMode.values())
1591 +        for (Integer v1 : new Integer[] { 1, null })
1592 +        for (Integer v2 : new Integer[] { 2, null }) {
1593 +
1594 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1595 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1596 +        final Noop r = new Noop();
1597 +
1598 +        g.complete(v2);
1599 +        f.complete(v1);
1600 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1601 +
1602 +        checkCompletedNormally(h, null);
1603 +        assertTrue(r.ran);
1604 +        checkCompletedNormally(f, v1);
1605 +        checkCompletedNormally(g, v2);
1606 +        }
1607 +    }
1608 +
1609 +    public void testRunAfterBoth_normalCompletion4() {
1610 +        for (ExecutionMode m : ExecutionMode.values())
1611 +        for (Integer v1 : new Integer[] { 1, null })
1612 +        for (Integer v2 : new Integer[] { 2, null }) {
1613 +
1614 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1615 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1616 +        final Noop r = new Noop();
1617 +
1618 +        f.complete(v1);
1619 +        g.complete(v2);
1620 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1621 +
1622 +        checkCompletedNormally(h, null);
1623 +        assertTrue(r.ran);
1624 +        checkCompletedNormally(f, v1);
1625 +        checkCompletedNormally(g, v2);
1626 +        }
1627 +    }
1628 +
1629 +    /**
1630 +     * runAfterBoth result completes exceptionally after exceptional
1631 +     * completion of either source
1632 +     */
1633 +    public void testRunAfterBoth_exceptionalCompletion1() {
1634 +        for (ExecutionMode m : ExecutionMode.values())
1635 +        for (Integer v1 : new Integer[] { 1, null }) {
1636 +
1637 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1638 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1639 +        final Noop r = new Noop();
1640 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1641 +        final CFException ex = new CFException();
1642 +
1643 +        f.completeExceptionally(ex);
1644 +        checkIncomplete(h);
1645 +        g.complete(v1);
1646 +
1647 +        checkCompletedWithWrappedCFException(h, ex);
1648 +        checkCompletedWithWrappedCFException(f, ex);
1649 +        assertFalse(r.ran);
1650 +        checkCompletedNormally(g, v1);
1651 +        }
1652 +    }
1653 +
1654 +    public void testRunAfterBoth_exceptionalCompletion2() {
1655 +        for (ExecutionMode m : ExecutionMode.values())
1656 +        for (Integer v1 : new Integer[] { 1, null }) {
1657 +
1658 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1659 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1660 +        final Noop r = new Noop();
1661 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1662 +        final CFException ex = new CFException();
1663 +
1664 +        g.completeExceptionally(ex);
1665 +        checkIncomplete(h);
1666 +        f.complete(v1);
1667 +
1668 +        checkCompletedWithWrappedCFException(h, ex);
1669 +        checkCompletedWithWrappedCFException(g, ex);
1670 +        assertFalse(r.ran);
1671 +        checkCompletedNormally(f, v1);
1672 +        }
1673 +    }
1674 +
1675 +    public void testRunAfterBoth_exceptionalCompletion3() {
1676 +        for (ExecutionMode m : ExecutionMode.values())
1677 +        for (Integer v1 : new Integer[] { 1, null }) {
1678 +
1679 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1680 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1681 +        final Noop r = new Noop();
1682 +        final CFException ex = new CFException();
1683 +
1684 +        g.completeExceptionally(ex);
1685 +        f.complete(v1);
1686 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1687 +
1688 +        checkCompletedWithWrappedCFException(h, ex);
1689 +        checkCompletedWithWrappedCFException(g, ex);
1690 +        assertFalse(r.ran);
1691 +        checkCompletedNormally(f, v1);
1692 +        }
1693 +    }
1694 +
1695 +    public void testRunAfterBoth_exceptionalCompletion4() {
1696 +        for (ExecutionMode m : ExecutionMode.values())
1697 +        for (Integer v1 : new Integer[] { 1, null }) {
1698 +
1699 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1700 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1701 +        final Noop r = new Noop();
1702 +        final CFException ex = new CFException();
1703 +
1704 +        f.completeExceptionally(ex);
1705 +        g.complete(v1);
1706 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1707 +
1708 +        checkCompletedWithWrappedCFException(h, ex);
1709 +        checkCompletedWithWrappedCFException(f, ex);
1710 +        assertFalse(r.ran);
1711 +        checkCompletedNormally(g, v1);
1712 +        }
1713 +    }
1714 +
1715 +    /**
1716 +     * runAfterBoth result completes exceptionally if action does
1717 +     */
1718 +    public void testRunAfterBoth_actionFailed1() {
1719 +        for (ExecutionMode m : ExecutionMode.values())
1720 +        for (Integer v1 : new Integer[] { 1, null })
1721 +        for (Integer v2 : new Integer[] { 2, null }) {
1722 +
1723 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1724 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1725 +        final FailingNoop r = new FailingNoop();
1726 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1727 +
1728 +        f.complete(v1);
1729 +        checkIncomplete(h);
1730 +        g.complete(v2);
1731 +
1732 +        checkCompletedWithWrappedCFException(h);
1733 +        checkCompletedNormally(f, v1);
1734 +        checkCompletedNormally(g, v2);
1735 +        }
1736 +    }
1737 +
1738 +    public void testRunAfterBoth_actionFailed2() {
1739 +        for (ExecutionMode m : ExecutionMode.values())
1740 +        for (Integer v1 : new Integer[] { 1, null })
1741 +        for (Integer v2 : new Integer[] { 2, null }) {
1742 +
1743 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1744 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1745 +        final FailingNoop r = new FailingNoop();
1746 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1747 +
1748 +        g.complete(v2);
1749 +        checkIncomplete(h);
1750 +        f.complete(v1);
1751 +
1752 +        checkCompletedWithWrappedCFException(h);
1753 +        checkCompletedNormally(f, v1);
1754 +        checkCompletedNormally(g, v2);
1755 +        }
1756 +    }
1757 +
1758 +    /**
1759 +     * runAfterBoth result completes exceptionally if either source cancelled
1760 +     */
1761 +    public void testRunAfterBoth_sourceCancelled1() {
1762 +        for (ExecutionMode m : ExecutionMode.values())
1763 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1764 +        for (Integer v1 : new Integer[] { 1, null }) {
1765 +
1766 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1767 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1768 +        final Noop r = new Noop();
1769 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1770 +
1771 +        assertTrue(f.cancel(mayInterruptIfRunning));
1772 +        checkIncomplete(h);
1773 +        g.complete(v1);
1774 +
1775 +        checkCompletedWithWrappedCancellationException(h);
1776 +        checkCancelled(f);
1777 +        assertFalse(r.ran);
1778 +        checkCompletedNormally(g, v1);
1779 +        }
1780 +    }
1781 +
1782 +    public void testRunAfterBoth_sourceCancelled2() {
1783 +        for (ExecutionMode m : ExecutionMode.values())
1784 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1785 +        for (Integer v1 : new Integer[] { 1, null }) {
1786 +
1787 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1788 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1789 +        final Noop r = new Noop();
1790 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1791 +
1792 +        assertTrue(g.cancel(mayInterruptIfRunning));
1793 +        checkIncomplete(h);
1794 +        f.complete(v1);
1795 +
1796 +        checkCompletedWithWrappedCancellationException(h);
1797 +        checkCancelled(g);
1798 +        assertFalse(r.ran);
1799 +        checkCompletedNormally(f, v1);
1800 +        }
1801 +    }
1802 +
1803 +    public void testRunAfterBoth_sourceCancelled3() {
1804 +        for (ExecutionMode m : ExecutionMode.values())
1805 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1806 +        for (Integer v1 : new Integer[] { 1, null }) {
1807 +
1808 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1809 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1810 +        final Noop r = new Noop();
1811 +
1812 +        assertTrue(g.cancel(mayInterruptIfRunning));
1813 +        f.complete(v1);
1814 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1815 +
1816 +        checkCompletedWithWrappedCancellationException(h);
1817 +        checkCancelled(g);
1818 +        assertFalse(r.ran);
1819 +        checkCompletedNormally(f, v1);
1820 +        }
1821 +    }
1822 +
1823 +    public void testRunAfterBoth_sourceCancelled4() {
1824 +        for (ExecutionMode m : ExecutionMode.values())
1825 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1826 +        for (Integer v1 : new Integer[] { 1, null }) {
1827 +
1828 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1829 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1830 +        final Noop r = new Noop();
1831 +
1832 +        assertTrue(f.cancel(mayInterruptIfRunning));
1833 +        g.complete(v1);
1834 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1835 +
1836 +        checkCompletedWithWrappedCancellationException(h);
1837 +        checkCancelled(f);
1838 +        assertFalse(r.ran);
1839 +        checkCompletedNormally(g, v1);
1840 +        }
1841 +    }
1842 +
1843 +    /**
1844 +     * applyToEither result completes normally after normal completion
1845 +     * of either source
1846 +     */
1847 +    public void testApplyToEither() {
1848 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1849 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1850 +        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1851 +        f.complete(one);
1852 +        checkCompletedNormally(g, two);
1853 +        f2.complete(one);
1854 +        checkCompletedNormally(g, two);
1855 +
1856 +        f = new CompletableFuture<>();
1857 +        f.complete(one);
1858 +        f2 = new CompletableFuture<>();
1859 +        g = f.applyToEither(f2, inc);
1860 +        checkCompletedNormally(g, two);
1861 +    }
1862 +
1863 +    /**
1864 +     * applyToEither result completes exceptionally after exceptional
1865 +     * completion of either source
1866 +     */
1867 +    public void testApplyToEither2() {
1868 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1869 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1870 +        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1871 +        f.completeExceptionally(new CFException());
1872 +        f2.complete(one);
1873 +        checkCompletedWithWrappedCFException(g);
1874 +
1875 +        f = new CompletableFuture<>();
1876 +        f2 = new CompletableFuture<>();
1877 +        f2.completeExceptionally(new CFException());
1878 +        g = f.applyToEither(f2, inc);
1879 +        checkCompletedWithWrappedCFException(g);
1880 +    }
1881 +
1882 +    /**
1883 +     * applyToEither result completes exceptionally if action does
1884 +     */
1885 +    public void testApplyToEither3() {
1886 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1887 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1888 +        FailingFunction r = new FailingFunction();
1889 +        CompletableFuture<Integer> g = f.applyToEither(f2, r);
1890 +        f2.complete(two);
1891 +        checkCompletedWithWrappedCFException(g);
1892 +    }
1893 +
1894 +    /**
1895 +     * applyToEither result completes exceptionally if either source cancelled
1896 +     */
1897 +    public void testApplyToEither4() {
1898 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1899 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1900 +        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1901 +        assertTrue(f.cancel(true));
1902 +        checkCompletedWithWrappedCancellationException(g);
1903 +        f = new CompletableFuture<>();
1904 +        f2 = new CompletableFuture<>();
1905 +        assertTrue(f2.cancel(true));
1906 +        checkCompletedWithWrappedCancellationException(g);
1907 +    }
1908 +
1909 +    /**
1910 +     * acceptEither result completes normally after normal completion
1911 +     * of either source
1912 +     */
1913 +    public void testAcceptEither() {
1914 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1915 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1916 +        IncAction r = new IncAction();
1917 +        CompletableFuture<Void> g = f.acceptEither(f2, r);
1918 +        f.complete(one);
1919 +        checkCompletedNormally(g, null);
1920 +        f2.complete(one);
1921 +        checkCompletedNormally(g, null);
1922 +        assertEquals(r.value, (Integer) 2);
1923 +
1924 +        r = new IncAction();
1925 +        f = new CompletableFuture<>();
1926 +        f.complete(one);
1927 +        f2 = new CompletableFuture<>();
1928 +        g = f.acceptEither(f2, r);
1929 +        checkCompletedNormally(g, null);
1930 +        assertEquals(r.value, (Integer) 2);
1931 +    }
1932 +
1933 +    /**
1934 +     * acceptEither result completes exceptionally after exceptional
1935 +     * completion of either source
1936 +     */
1937 +    public void testAcceptEither2() {
1938 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1939 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1940 +        IncAction r = new IncAction();
1941 +        CompletableFuture<Void> g = f.acceptEither(f2, r);
1942 +        f.completeExceptionally(new CFException());
1943 +        f2.complete(one);
1944 +        checkCompletedWithWrappedCFException(g);
1945 +
1946 +        r = new IncAction();
1947 +        f = new CompletableFuture<>();
1948 +        f2 = new CompletableFuture<>();
1949 +        f2.completeExceptionally(new CFException());
1950 +        g = f.acceptEither(f2, r);
1951 +        checkCompletedWithWrappedCFException(g);
1952 +    }
1953 +
1954 +    /**
1955 +     * acceptEither result completes exceptionally if action does
1956 +     */
1957 +    public void testAcceptEither3() {
1958 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1959 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1960 +        FailingConsumer r = new FailingConsumer();
1961 +        CompletableFuture<Void> g = f.acceptEither(f2, r);
1962 +        f2.complete(two);
1963 +        checkCompletedWithWrappedCFException(g);
1964 +    }
1965 +
1966 +    /**
1967 +     * acceptEither result completes exceptionally if either source cancelled
1968 +     */
1969 +    public void testAcceptEither4() {
1970 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1971 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1972 +        IncAction r = new IncAction();
1973 +        CompletableFuture<Void> g = f.acceptEither(f2, r);
1974 +        assertTrue(f.cancel(true));
1975 +        checkCompletedWithWrappedCancellationException(g);
1976 +        f = new CompletableFuture<>();
1977 +        f2 = new CompletableFuture<>();
1978 +        assertTrue(f2.cancel(true));
1979 +        checkCompletedWithWrappedCancellationException(g);
1980 +    }
1981 +
1982 +    /**
1983 +     * runAfterEither result completes normally after normal completion
1984 +     * of either source
1985 +     */
1986 +    public void testRunAfterEither() {
1987 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1988 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1989 +        Noop r = new Noop();
1990 +        CompletableFuture<Void> g = f.runAfterEither(f2, r);
1991 +        f.complete(one);
1992 +        checkCompletedNormally(g, null);
1993 +        f2.complete(one);
1994 +        checkCompletedNormally(g, null);
1995 +        assertTrue(r.ran);
1996 +
1997 +        r = new Noop();
1998 +        f = new CompletableFuture<>();
1999 +        f.complete(one);
2000 +        f2 = new CompletableFuture<>();
2001 +        g = f.runAfterEither(f2, r);
2002 +        checkCompletedNormally(g, null);
2003 +        assertTrue(r.ran);
2004 +    }
2005 +
2006 +    /**
2007 +     * runAfterEither result completes exceptionally after exceptional
2008 +     * completion of either source
2009 +     */
2010 +    public void testRunAfterEither2() {
2011 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2012 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2013 +        Noop r = new Noop();
2014 +        CompletableFuture<Void> g = f.runAfterEither(f2, r);
2015 +        f.completeExceptionally(new CFException());
2016 +        f2.complete(one);
2017 +        checkCompletedWithWrappedCFException(g);
2018 +
2019 +        r = new Noop();
2020 +        f = new CompletableFuture<>();
2021 +        f2 = new CompletableFuture<>();
2022 +        f2.completeExceptionally(new CFException());
2023 +        g = f.runAfterEither(f2, r);
2024 +        checkCompletedWithWrappedCFException(g);
2025 +    }
2026 +
2027 +    /**
2028 +     * runAfterEither result completes exceptionally if action does
2029 +     */
2030 +    public void testRunAfterEither3() {
2031 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2032 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2033 +        FailingNoop r = new FailingNoop();
2034 +        CompletableFuture<Void> g = f.runAfterEither(f2, r);
2035 +        f2.complete(two);
2036 +        checkCompletedWithWrappedCFException(g);
2037 +    }
2038 +
2039 +    /**
2040 +     * runAfterEither result completes exceptionally if either source cancelled
2041 +     */
2042 +    public void testRunAfterEither4() {
2043 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2044 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2045 +        Noop r = new Noop();
2046 +        CompletableFuture<Void> g = f.runAfterEither(f2, r);
2047 +        assertTrue(f.cancel(true));
2048 +        checkCompletedWithWrappedCancellationException(g);
2049 +        f = new CompletableFuture<>();
2050 +        f2 = new CompletableFuture<>();
2051 +        assertTrue(f2.cancel(true));
2052 +        checkCompletedWithWrappedCancellationException(g);
2053 +    }
2054 +
2055 +    /**
2056 +     * thenCompose result completes normally after normal completion of source
2057 +     */
2058 +    public void testThenCompose() {
2059 +        CompletableFuture<Integer> f, g;
2060 +        CompletableFutureInc r;
2061 +
2062 +        f = new CompletableFuture<>();
2063 +        g = f.thenCompose(r = new CompletableFutureInc());
2064 +        f.complete(one);
2065 +        checkCompletedNormally(g, two);
2066 +        assertTrue(r.ran);
2067 +
2068 +        f = new CompletableFuture<>();
2069 +        f.complete(one);
2070 +        g = f.thenCompose(r = new CompletableFutureInc());
2071 +        checkCompletedNormally(g, two);
2072 +        assertTrue(r.ran);
2073 +    }
2074 +
2075 +    /**
2076 +     * thenCompose result completes exceptionally after exceptional
2077 +     * completion of source
2078 +     */
2079 +    public void testThenCompose2() {
2080 +        CompletableFuture<Integer> f, g;
2081 +        CompletableFutureInc r;
2082 +
2083 +        f = new CompletableFuture<>();
2084 +        g = f.thenCompose(r = new CompletableFutureInc());
2085 +        f.completeExceptionally(new CFException());
2086 +        checkCompletedWithWrappedCFException(g);
2087 +
2088 +        f = new CompletableFuture<>();
2089 +        f.completeExceptionally(new CFException());
2090 +        g = f.thenCompose(r = new CompletableFutureInc());
2091 +        checkCompletedWithWrappedCFException(g);
2092 +    }
2093 +
2094 +    /**
2095 +     * thenCompose result completes exceptionally if action does
2096 +     */
2097 +    public void testThenCompose3() {
2098 +        CompletableFuture<Integer> f, g;
2099 +        FailingCompletableFutureFunction r;
2100 +
2101 +        f = new CompletableFuture<>();
2102 +        g = f.thenCompose(r = new FailingCompletableFutureFunction());
2103 +        f.complete(one);
2104 +        checkCompletedWithWrappedCFException(g);
2105 +
2106 +        f = new CompletableFuture<>();
2107 +        f.complete(one);
2108 +        g = f.thenCompose(r = new FailingCompletableFutureFunction());
2109 +        checkCompletedWithWrappedCFException(g);
2110 +    }
2111 +
2112 +    /**
2113 +     * thenCompose result completes exceptionally if source cancelled
2114 +     */
2115 +    public void testThenCompose4() {
2116 +        CompletableFuture<Integer> f, g;
2117 +        CompletableFutureInc r;
2118 +
2119 +        f = new CompletableFuture<>();
2120 +        g = f.thenCompose(r = new CompletableFutureInc());
2121 +        assertTrue(f.cancel(true));
2122 +        checkCompletedWithWrappedCancellationException(g);
2123 +
2124 +        f = new CompletableFuture<>();
2125 +        assertTrue(f.cancel(true));
2126 +        g = f.thenCompose(r = new CompletableFutureInc());
2127 +        checkCompletedWithWrappedCancellationException(g);
2128 +    }
2129 +
2130 +    // asyncs
2131 +
2132 +    /**
2133 +     * thenRunAsync result completes normally after normal completion of source
2134 +     */
2135 +    public void testThenRunAsync() {
2136 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2137 +        Noop r = new Noop();
2138 +        CompletableFuture<Void> g = f.thenRunAsync(r);
2139 +        f.complete(null);
2140 +        checkCompletedNormally(g, null);
2141 +
2142 +        // reordered version
2143 +        f = new CompletableFuture<>();
2144 +        f.complete(null);
2145 +        r = new Noop();
2146 +        g = f.thenRunAsync(r);
2147 +        checkCompletedNormally(g, null);
2148 +    }
2149 +
2150 +    /**
2151 +     * thenRunAsync result completes exceptionally after exceptional
2152 +     * completion of source
2153 +     */
2154 +    public void testThenRunAsync2() {
2155 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2156 +        Noop r = new Noop();
2157 +        CompletableFuture<Void> g = f.thenRunAsync(r);
2158 +        f.completeExceptionally(new CFException());
2159 +        try {
2160 +            g.join();
2161 +            shouldThrow();
2162 +        } catch (CompletionException success) {}
2163 +        checkCompletedWithWrappedCFException(g);
2164 +    }
2165 +
2166 +    /**
2167 +     * thenRunAsync result completes exceptionally if action does
2168 +     */
2169 +    public void testThenRunAsync3() {
2170 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2171 +        FailingNoop r = new FailingNoop();
2172 +        CompletableFuture<Void> g = f.thenRunAsync(r);
2173 +        f.complete(null);
2174 +        checkCompletedWithWrappedCFException(g);
2175 +    }
2176 +
2177 +    /**
2178 +     * thenRunAsync result completes exceptionally if source cancelled
2179 +     */
2180 +    public void testThenRunAsync4() {
2181 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2182 +        Noop r = new Noop();
2183 +        CompletableFuture<Void> g = f.thenRunAsync(r);
2184 +        assertTrue(f.cancel(true));
2185 +        checkCompletedWithWrappedCancellationException(g);
2186 +    }
2187 +
2188 +    /**
2189 +     * thenApplyAsync result completes normally after normal completion of source
2190 +     */
2191 +    public void testThenApplyAsync() {
2192 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2193 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2194 +        f.complete(one);
2195 +        checkCompletedNormally(g, two);
2196 +    }
2197 +
2198 +    /**
2199 +     * thenApplyAsync result completes exceptionally after exceptional
2200 +     * completion of source
2201 +     */
2202 +    public void testThenApplyAsync2() {
2203 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2204 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2205 +        f.completeExceptionally(new CFException());
2206 +        checkCompletedWithWrappedCFException(g);
2207 +    }
2208 +
2209 +    /**
2210 +     * thenApplyAsync result completes exceptionally if action does
2211 +     */
2212 +    public void testThenApplyAsync3() {
2213 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2214 +        FailingFunction r = new FailingFunction();
2215 +        CompletableFuture<Integer> g = f.thenApplyAsync(r);
2216 +        f.complete(null);
2217 +        checkCompletedWithWrappedCFException(g);
2218 +    }
2219 +
2220 +    /**
2221 +     * thenApplyAsync result completes exceptionally if source cancelled
2222 +     */
2223 +    public void testThenApplyAsync4() {
2224 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2225 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2226 +        assertTrue(f.cancel(true));
2227 +        checkCompletedWithWrappedCancellationException(g);
2228 +    }
2229 +
2230 +    /**
2231 +     * thenAcceptAsync result completes normally after normal
2232 +     * completion of source
2233 +     */
2234 +    public void testThenAcceptAsync() {
2235 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2236 +        IncAction r = new IncAction();
2237 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
2238 +        f.complete(one);
2239 +        checkCompletedNormally(g, null);
2240 +        assertEquals(r.value, (Integer) 2);
2241 +    }
2242 +
2243 +    /**
2244 +     * thenAcceptAsync result completes exceptionally after exceptional
2245 +     * completion of source
2246 +     */
2247 +    public void testThenAcceptAsync2() {
2248 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2249 +        IncAction r = new IncAction();
2250 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
2251 +        f.completeExceptionally(new CFException());
2252 +        checkCompletedWithWrappedCFException(g);
2253 +    }
2254 +
2255 +    /**
2256 +     * thenAcceptAsync result completes exceptionally if action does
2257 +     */
2258 +    public void testThenAcceptAsync3() {
2259 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2260 +        FailingConsumer r = new FailingConsumer();
2261 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
2262 +        f.complete(null);
2263 +        checkCompletedWithWrappedCFException(g);
2264 +    }
2265 +
2266 +    /**
2267 +     * thenAcceptAsync result completes exceptionally if source cancelled
2268 +     */
2269 +    public void testThenAcceptAsync4() {
2270 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2271 +        IncAction r = new IncAction();
2272 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
2273 +        assertTrue(f.cancel(true));
2274 +        checkCompletedWithWrappedCancellationException(g);
2275 +    }
2276 +
2277 +    /**
2278 +     * applyToEitherAsync result completes normally after normal
2279 +     * completion of sources
2280 +     */
2281 +    public void testApplyToEitherAsync() {
2282 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2283 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2284 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2285 +        f.complete(one);
2286 +        checkCompletedNormally(g, two);
2287 +
2288 +        f = new CompletableFuture<>();
2289 +        f.complete(one);
2290 +        f2 = new CompletableFuture<>();
2291 +        g = f.applyToEitherAsync(f2, inc);
2292 +        checkCompletedNormally(g, two);
2293 +    }
2294 +
2295 +    /**
2296 +     * applyToEitherAsync result completes exceptionally after exceptional
2297 +     * completion of source
2298 +     */
2299 +    public void testApplyToEitherAsync2() {
2300 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2301 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2302 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2303 +        f.completeExceptionally(new CFException());
2304 +        checkCompletedWithWrappedCFException(g);
2305 +
2306 +        f = new CompletableFuture<>();
2307 +        f2 = new CompletableFuture<>();
2308 +        f2.completeExceptionally(new CFException());
2309 +        g = f.applyToEitherAsync(f2, inc);
2310 +        f.complete(one);
2311 +        checkCompletedWithWrappedCFException(g);
2312 +    }
2313 +
2314 +    /**
2315 +     * applyToEitherAsync result completes exceptionally if action does
2316 +     */
2317 +    public void testApplyToEitherAsync3() {
2318 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2319 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2320 +        FailingFunction r = new FailingFunction();
2321 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
2322 +        f.complete(one);
2323 +        checkCompletedWithWrappedCFException(g);
2324 +    }
2325 +
2326 +    /**
2327 +     * applyToEitherAsync result completes exceptionally if either source cancelled
2328 +     */
2329 +    public void testApplyToEitherAsync4() {
2330 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2331 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2332 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2333 +        assertTrue(f.cancel(true));
2334 +        checkCompletedWithWrappedCancellationException(g);
2335 +
2336 +        f = new CompletableFuture<>();
2337 +        f2 = new CompletableFuture<>();
2338 +        assertTrue(f2.cancel(true));
2339 +        g = f.applyToEitherAsync(f2, inc);
2340 +        checkCompletedWithWrappedCancellationException(g);
2341 +    }
2342 +
2343 +    /**
2344 +     * acceptEitherAsync result completes normally after normal
2345 +     * completion of sources
2346 +     */
2347 +    public void testAcceptEitherAsync() {
2348 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2349 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2350 +        IncAction r = new IncAction();
2351 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2352 +        f.complete(one);
2353 +        checkCompletedNormally(g, null);
2354 +        assertEquals(r.value, (Integer) 2);
2355 +
2356 +        r = new IncAction();
2357 +        f = new CompletableFuture<>();
2358 +        f.complete(one);
2359 +        f2 = new CompletableFuture<>();
2360 +        g = f.acceptEitherAsync(f2, r);
2361 +        checkCompletedNormally(g, null);
2362 +        assertEquals(r.value, (Integer) 2);
2363 +    }
2364 +
2365 +    /**
2366 +     * acceptEitherAsync result completes exceptionally after exceptional
2367 +     * completion of source
2368 +     */
2369 +    public void testAcceptEitherAsync2() {
2370 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2371 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2372 +        IncAction r = new IncAction();
2373 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2374 +        f.completeExceptionally(new CFException());
2375 +        checkCompletedWithWrappedCFException(g);
2376 +
2377 +        r = new IncAction();
2378 +        f = new CompletableFuture<>();
2379 +        f2 = new CompletableFuture<>();
2380 +        f2.completeExceptionally(new CFException());
2381 +        g = f.acceptEitherAsync(f2, r);
2382 +        f.complete(one);
2383 +        checkCompletedWithWrappedCFException(g);
2384 +    }
2385 +
2386 +    /**
2387 +     * acceptEitherAsync result completes exceptionally if action does
2388 +     */
2389 +    public void testAcceptEitherAsync3() {
2390 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2391 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2392 +        FailingConsumer r = new FailingConsumer();
2393 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2394 +        f.complete(one);
2395 +        checkCompletedWithWrappedCFException(g);
2396 +    }
2397 +
2398 +    /**
2399 +     * acceptEitherAsync result completes exceptionally if either
2400 +     * source cancelled
2401 +     */
2402 +    public void testAcceptEitherAsync4() {
2403 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2404 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2405 +        IncAction r = new IncAction();
2406 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2407 +        assertTrue(f.cancel(true));
2408 +        checkCompletedWithWrappedCancellationException(g);
2409 +
2410 +        r = new IncAction();
2411 +        f = new CompletableFuture<>();
2412 +        f2 = new CompletableFuture<>();
2413 +        assertTrue(f2.cancel(true));
2414 +        g = f.acceptEitherAsync(f2, r);
2415 +        checkCompletedWithWrappedCancellationException(g);
2416 +    }
2417 +
2418 +    /**
2419 +     * runAfterEitherAsync result completes normally after normal
2420 +     * completion of sources
2421 +     */
2422 +    public void testRunAfterEitherAsync() {
2423 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2424 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2425 +        Noop r = new Noop();
2426 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2427 +        f.complete(one);
2428 +        checkCompletedNormally(g, null);
2429 +        assertTrue(r.ran);
2430 +
2431 +        r = new Noop();
2432 +        f = new CompletableFuture<>();
2433 +        f.complete(one);
2434 +        f2 = new CompletableFuture<>();
2435 +        g = f.runAfterEitherAsync(f2, r);
2436 +        checkCompletedNormally(g, null);
2437 +        assertTrue(r.ran);
2438 +    }
2439 +
2440 +    /**
2441 +     * runAfterEitherAsync result completes exceptionally after exceptional
2442 +     * completion of source
2443 +     */
2444 +    public void testRunAfterEitherAsync2() {
2445 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2446 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2447 +        Noop r = new Noop();
2448 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2449 +        f.completeExceptionally(new CFException());
2450 +        checkCompletedWithWrappedCFException(g);
2451 +
2452 +        r = new Noop();
2453 +        f = new CompletableFuture<>();
2454 +        f2 = new CompletableFuture<>();
2455 +        f2.completeExceptionally(new CFException());
2456 +        g = f.runAfterEitherAsync(f2, r);
2457 +        f.complete(one);
2458 +        checkCompletedWithWrappedCFException(g);
2459 +    }
2460 +
2461 +    /**
2462 +     * runAfterEitherAsync result completes exceptionally if action does
2463 +     */
2464 +    public void testRunAfterEitherAsync3() {
2465 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2466 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2467 +        FailingNoop r = new FailingNoop();
2468 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2469 +        f.complete(one);
2470 +        checkCompletedWithWrappedCFException(g);
2471 +    }
2472 +
2473 +    /**
2474 +     * runAfterEitherAsync result completes exceptionally if either
2475 +     * source cancelled
2476 +     */
2477 +    public void testRunAfterEitherAsync4() {
2478 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2479 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2480 +        Noop r = new Noop();
2481 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2482 +        assertTrue(f.cancel(true));
2483 +        checkCompletedWithWrappedCancellationException(g);
2484 +
2485 +        r = new Noop();
2486 +        f = new CompletableFuture<>();
2487 +        f2 = new CompletableFuture<>();
2488 +        assertTrue(f2.cancel(true));
2489 +        g = f.runAfterEitherAsync(f2, r);
2490 +        checkCompletedWithWrappedCancellationException(g);
2491 +    }
2492 +
2493 +    /**
2494 +     * thenComposeAsync result completes normally after normal
2495 +     * completion of source
2496 +     */
2497 +    public void testThenComposeAsync() {
2498 +        CompletableFuture<Integer> f, g;
2499 +        CompletableFutureInc r;
2500 +
2501 +        f = new CompletableFuture<>();
2502 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2503 +        f.complete(one);
2504 +        checkCompletedNormally(g, two);
2505 +
2506 +        f = new CompletableFuture<>();
2507 +        f.complete(one);
2508 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2509 +        checkCompletedNormally(g, two);
2510 +    }
2511 +
2512 +    /**
2513 +     * thenComposeAsync result completes exceptionally after
2514 +     * exceptional completion of source
2515 +     */
2516 +    public void testThenComposeAsync2() {
2517 +        CompletableFuture<Integer> f, g;
2518 +        CompletableFutureInc r;
2519 +
2520 +        f = new CompletableFuture<>();
2521 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2522 +        f.completeExceptionally(new CFException());
2523 +        checkCompletedWithWrappedCFException(g);
2524 +        assertFalse(r.ran);
2525 +
2526 +        f = new CompletableFuture<>();
2527 +        f.completeExceptionally(new CFException());
2528 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2529 +        checkCompletedWithWrappedCFException(g);
2530 +        assertFalse(r.ran);
2531 +    }
2532 +
2533 +    /**
2534 +     * thenComposeAsync result completes exceptionally if action does
2535 +     */
2536 +    public void testThenComposeAsync3() {
2537 +        CompletableFuture<Integer> f, g;
2538 +        FailingCompletableFutureFunction r;
2539 +
2540 +        f = new CompletableFuture<>();
2541 +        g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2542 +        f.complete(one);
2543 +        checkCompletedWithWrappedCFException(g);
2544 +
2545 +        f = new CompletableFuture<>();
2546 +        f.complete(one);
2547 +        g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2548 +        checkCompletedWithWrappedCFException(g);
2549 +    }
2550 +
2551 +    /**
2552 +     * thenComposeAsync result completes exceptionally if source cancelled
2553 +     */
2554 +    public void testThenComposeAsync4() {
2555 +        CompletableFuture<Integer> f, g;
2556 +        CompletableFutureInc r;
2557 +
2558 +        f = new CompletableFuture<>();
2559 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2560 +        assertTrue(f.cancel(true));
2561 +        checkCompletedWithWrappedCancellationException(g);
2562 +
2563 +        f = new CompletableFuture<>();
2564 +        assertTrue(f.cancel(true));
2565 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2566 +        checkCompletedWithWrappedCancellationException(g);
2567 +    }
2568 +
2569 +    // async with explicit executors
2570 +
2571 +    /**
2572 +     * thenRunAsync result completes normally after normal completion of source
2573 +     */
2574 +    public void testThenRunAsyncE() {
2575 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2576 +        Noop r = new Noop();
2577 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2578 +        f.complete(null);
2579 +        checkCompletedNormally(g, null);
2580 +
2581 +        // reordered version
2582 +        f = new CompletableFuture<>();
2583 +        f.complete(null);
2584 +        r = new Noop();
2585 +        g = f.thenRunAsync(r, new ThreadExecutor());
2586 +        checkCompletedNormally(g, null);
2587 +    }
2588 +
2589 +    /**
2590 +     * thenRunAsync result completes exceptionally after exceptional
2591 +     * completion of source
2592 +     */
2593 +    public void testThenRunAsync2E() {
2594 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2595 +        Noop r = new Noop();
2596 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2597 +        f.completeExceptionally(new CFException());
2598 +        try {
2599 +            g.join();
2600 +            shouldThrow();
2601 +        } catch (CompletionException success) {}
2602 +        checkCompletedWithWrappedCFException(g);
2603 +    }
2604 +
2605 +    /**
2606 +     * thenRunAsync result completes exceptionally if action does
2607 +     */
2608 +    public void testThenRunAsync3E() {
2609 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2610 +        FailingNoop r = new FailingNoop();
2611 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2612 +        f.complete(null);
2613 +        checkCompletedWithWrappedCFException(g);
2614 +    }
2615 +
2616 +    /**
2617 +     * thenRunAsync result completes exceptionally if source cancelled
2618 +     */
2619 +    public void testThenRunAsync4E() {
2620 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2621 +        Noop r = new Noop();
2622 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2623 +        assertTrue(f.cancel(true));
2624 +        checkCompletedWithWrappedCancellationException(g);
2625 +    }
2626 +
2627 +    /**
2628 +     * thenApplyAsync result completes normally after normal completion of source
2629 +     */
2630 +    public void testThenApplyAsyncE() {
2631 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2632 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2633 +        f.complete(one);
2634 +        checkCompletedNormally(g, two);
2635 +    }
2636 +
2637 +    /**
2638 +     * thenApplyAsync result completes exceptionally after exceptional
2639 +     * completion of source
2640 +     */
2641 +    public void testThenApplyAsync2E() {
2642 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2643 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2644 +        f.completeExceptionally(new CFException());
2645 +        checkCompletedWithWrappedCFException(g);
2646 +    }
2647 +
2648 +    /**
2649 +     * thenApplyAsync result completes exceptionally if action does
2650 +     */
2651 +    public void testThenApplyAsync3E() {
2652 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2653 +        FailingFunction r = new FailingFunction();
2654 +        CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2655 +        f.complete(null);
2656 +        checkCompletedWithWrappedCFException(g);
2657 +    }
2658 +
2659 +    /**
2660 +     * thenApplyAsync result completes exceptionally if source cancelled
2661 +     */
2662 +    public void testThenApplyAsync4E() {
2663 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2664 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2665 +        assertTrue(f.cancel(true));
2666 +        checkCompletedWithWrappedCancellationException(g);
2667 +    }
2668 +
2669 +    /**
2670 +     * thenAcceptAsync result completes normally after normal
2671 +     * completion of source
2672 +     */
2673 +    public void testThenAcceptAsyncE() {
2674 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2675 +        IncAction r = new IncAction();
2676 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2677 +        f.complete(one);
2678 +        checkCompletedNormally(g, null);
2679 +        assertEquals(r.value, (Integer) 2);
2680 +    }
2681 +
2682 +    /**
2683 +     * thenAcceptAsync result completes exceptionally after exceptional
2684 +     * completion of source
2685 +     */
2686 +    public void testThenAcceptAsync2E() {
2687 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2688 +        IncAction r = new IncAction();
2689 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2690 +        f.completeExceptionally(new CFException());
2691 +        checkCompletedWithWrappedCFException(g);
2692 +    }
2693 +
2694 +    /**
2695 +     * thenAcceptAsync result completes exceptionally if action does
2696 +     */
2697 +    public void testThenAcceptAsync3E() {
2698 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2699 +        FailingConsumer r = new FailingConsumer();
2700 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2701 +        f.complete(null);
2702 +        checkCompletedWithWrappedCFException(g);
2703 +    }
2704 +
2705 +    /**
2706 +     * thenAcceptAsync result completes exceptionally if source cancelled
2707 +     */
2708 +    public void testThenAcceptAsync4E() {
2709 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2710 +        IncAction r = new IncAction();
2711 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2712 +        assertTrue(f.cancel(true));
2713 +        checkCompletedWithWrappedCancellationException(g);
2714 +    }
2715 +
2716 +    /**
2717 +     * applyToEitherAsync result completes normally after normal
2718 +     * completion of sources
2719 +     */
2720 +    public void testApplyToEitherAsyncE() {
2721 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2722 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2723 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2724 +        f.complete(one);
2725 +        checkCompletedNormally(g, two);
2726 +
2727 +        f = new CompletableFuture<>();
2728 +        f.complete(one);
2729 +        f2 = new CompletableFuture<>();
2730 +        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2731 +        checkCompletedNormally(g, two);
2732 +    }
2733 +
2734 +    /**
2735 +     * applyToEitherAsync result completes exceptionally after exceptional
2736 +     * completion of source
2737 +     */
2738 +    public void testApplyToEitherAsync2E() {
2739 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2740 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2741 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2742 +        f.completeExceptionally(new CFException());
2743 +        checkCompletedWithWrappedCFException(g);
2744 +
2745 +        f = new CompletableFuture<>();
2746 +        f2 = new CompletableFuture<>();
2747 +        f2.completeExceptionally(new CFException());
2748 +        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2749 +        f.complete(one);
2750 +        checkCompletedWithWrappedCFException(g);
2751 +    }
2752 +
2753 +    /**
2754 +     * applyToEitherAsync result completes exceptionally if action does
2755 +     */
2756 +    public void testApplyToEitherAsync3E() {
2757 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2758 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2759 +        FailingFunction r = new FailingFunction();
2760 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2761 +        f.complete(one);
2762 +        checkCompletedWithWrappedCFException(g);
2763 +    }
2764 +
2765 +    /**
2766 +     * applyToEitherAsync result completes exceptionally if either source cancelled
2767 +     */
2768 +    public void testApplyToEitherAsync4E() {
2769 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2770 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2771 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2772 +        assertTrue(f.cancel(true));
2773 +        checkCompletedWithWrappedCancellationException(g);
2774 +
2775 +        f = new CompletableFuture<>();
2776 +        f2 = new CompletableFuture<>();
2777 +        assertTrue(f2.cancel(true));
2778 +        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2779 +        checkCompletedWithWrappedCancellationException(g);
2780 +    }
2781 +
2782 +    /**
2783 +     * acceptEitherAsync result completes normally after normal
2784 +     * completion of sources
2785 +     */
2786 +    public void testAcceptEitherAsyncE() {
2787 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2788 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2789 +        IncAction r = new IncAction();
2790 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2791 +        f.complete(one);
2792 +        checkCompletedNormally(g, null);
2793 +        assertEquals(r.value, (Integer) 2);
2794 +
2795 +        r = new IncAction();
2796 +        f = new CompletableFuture<>();
2797 +        f.complete(one);
2798 +        f2 = new CompletableFuture<>();
2799 +        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2800 +        checkCompletedNormally(g, null);
2801 +        assertEquals(r.value, (Integer) 2);
2802 +    }
2803 +
2804 +    /**
2805 +     * acceptEitherAsync result completes exceptionally after exceptional
2806 +     * completion of source
2807 +     */
2808 +    public void testAcceptEitherAsync2E() {
2809 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2810 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2811 +        IncAction r = new IncAction();
2812 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2813 +        f.completeExceptionally(new CFException());
2814 +        checkCompletedWithWrappedCFException(g);
2815 +
2816 +        r = new IncAction();
2817 +        f = new CompletableFuture<>();
2818 +        f2 = new CompletableFuture<>();
2819 +        f2.completeExceptionally(new CFException());
2820 +        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2821 +        f.complete(one);
2822 +        checkCompletedWithWrappedCFException(g);
2823 +    }
2824 +
2825 +    /**
2826 +     * acceptEitherAsync result completes exceptionally if action does
2827 +     */
2828 +    public void testAcceptEitherAsync3E() {
2829 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2830 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2831 +        FailingConsumer r = new FailingConsumer();
2832 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2833 +        f.complete(one);
2834 +        checkCompletedWithWrappedCFException(g);
2835 +    }
2836 +
2837 +    /**
2838 +     * acceptEitherAsync result completes exceptionally if either
2839 +     * source cancelled
2840 +     */
2841 +    public void testAcceptEitherAsync4E() {
2842 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2843 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2844 +        IncAction r = new IncAction();
2845 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2846 +        assertTrue(f.cancel(true));
2847 +        checkCompletedWithWrappedCancellationException(g);
2848 +
2849 +        r = new IncAction();
2850 +        f = new CompletableFuture<>();
2851 +        f2 = new CompletableFuture<>();
2852 +        assertTrue(f2.cancel(true));
2853 +        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2854 +        checkCompletedWithWrappedCancellationException(g);
2855 +    }
2856 +
2857 +    /**
2858 +     * runAfterEitherAsync result completes normally after normal
2859 +     * completion of sources
2860 +     */
2861 +    public void testRunAfterEitherAsyncE() {
2862 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2863 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2864 +        Noop r = new Noop();
2865 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2866 +        f.complete(one);
2867 +        checkCompletedNormally(g, null);
2868 +        assertTrue(r.ran);
2869 +
2870 +        r = new Noop();
2871 +        f = new CompletableFuture<>();
2872 +        f.complete(one);
2873 +        f2 = new CompletableFuture<>();
2874 +        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2875 +        checkCompletedNormally(g, null);
2876 +        assertTrue(r.ran);
2877 +    }
2878 +
2879 +    /**
2880 +     * runAfterEitherAsync result completes exceptionally after exceptional
2881 +     * completion of source
2882 +     */
2883 +    public void testRunAfterEitherAsync2E() {
2884 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2885 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2886 +        Noop r = new Noop();
2887 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2888 +        f.completeExceptionally(new CFException());
2889 +        checkCompletedWithWrappedCFException(g);
2890 +
2891 +        r = new Noop();
2892 +        f = new CompletableFuture<>();
2893 +        f2 = new CompletableFuture<>();
2894 +        f2.completeExceptionally(new CFException());
2895 +        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2896 +        f.complete(one);
2897 +        checkCompletedWithWrappedCFException(g);
2898 +    }
2899 +
2900 +    /**
2901 +     * runAfterEitherAsync result completes exceptionally if action does
2902 +     */
2903 +    public void testRunAfterEitherAsync3E() {
2904 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2905 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2906 +        FailingNoop r = new FailingNoop();
2907 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2908 +        f.complete(one);
2909 +        checkCompletedWithWrappedCFException(g);
2910 +    }
2911 +
2912 +    /**
2913 +     * runAfterEitherAsync result completes exceptionally if either
2914 +     * source cancelled
2915 +     */
2916 +    public void testRunAfterEitherAsync4E() {
2917 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2918 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2919 +        Noop r = new Noop();
2920 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2921 +        assertTrue(f.cancel(true));
2922 +        checkCompletedWithWrappedCancellationException(g);
2923 +
2924 +        r = new Noop();
2925 +        f = new CompletableFuture<>();
2926 +        f2 = new CompletableFuture<>();
2927 +        assertTrue(f2.cancel(true));
2928 +        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2929 +        checkCompletedWithWrappedCancellationException(g);
2930 +    }
2931 +
2932 +    /**
2933 +     * thenComposeAsync result completes normally after normal
2934 +     * completion of source
2935 +     */
2936 +    public void testThenComposeAsyncE() {
2937 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2938 +        CompletableFutureInc r = new CompletableFutureInc();
2939 +        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2940 +        f.complete(one);
2941 +        checkCompletedNormally(g, two);
2942 +    }
2943 +
2944 +    /**
2945 +     * thenComposeAsync result completes exceptionally after
2946 +     * exceptional completion of source
2947 +     */
2948 +    public void testThenComposeAsync2E() {
2949 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2950 +        CompletableFutureInc r = new CompletableFutureInc();
2951 +        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2952 +        f.completeExceptionally(new CFException());
2953 +        checkCompletedWithWrappedCFException(g);
2954 +    }
2955 +
2956 +    /**
2957 +     * thenComposeAsync result completes exceptionally if action does
2958 +     */
2959 +    public void testThenComposeAsync3E() {
2960 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2961 +        FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2962 +        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2963 +        f.complete(one);
2964 +        checkCompletedWithWrappedCFException(g);
2965 +    }
2966 +
2967 +    /**
2968 +     * thenComposeAsync result completes exceptionally if source cancelled
2969 +     */
2970 +    public void testThenComposeAsync4E() {
2971 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2972 +        CompletableFutureInc r = new CompletableFutureInc();
2973 +        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2974 +        assertTrue(f.cancel(true));
2975 +        checkCompletedWithWrappedCancellationException(g);
2976 +    }
2977 +
2978 +    // other static methods
2979 +
2980 +    /**
2981 +     * allOf(no component futures) returns a future completed normally
2982 +     * with the value null
2983 +     */
2984 +    public void testAllOf_empty() throws Exception {
2985 +        CompletableFuture<Void> f = CompletableFuture.allOf();
2986 +        checkCompletedNormally(f, null);
2987 +    }
2988 +
2989 +    /**
2990 +     * allOf returns a future completed normally with the value null
2991 +     * when all components complete normally
2992 +     */
2993 +    public void testAllOf_normal() throws Exception {
2994 +        for (int k = 1; k < 20; ++k) {
2995 +            CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
2996 +            for (int i = 0; i < k; ++i)
2997 +                fs[i] = new CompletableFuture<>();
2998 +            CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2999 +            for (int i = 0; i < k; ++i) {
3000 +                checkIncomplete(f);
3001 +                checkIncomplete(CompletableFuture.allOf(fs));
3002 +                fs[i].complete(one);
3003 +            }
3004 +            checkCompletedNormally(f, null);
3005 +            checkCompletedNormally(CompletableFuture.allOf(fs), null);
3006 +        }
3007 +    }
3008 +
3009 +    /**
3010 +     * anyOf(no component futures) returns an incomplete future
3011 +     */
3012 +    public void testAnyOf_empty() throws Exception {
3013 +        CompletableFuture<Object> f = CompletableFuture.anyOf();
3014 +        checkIncomplete(f);
3015 +    }
3016 +
3017 +    /**
3018 +     * anyOf returns a future completed normally with a value when
3019 +     * a component future does
3020 +     */
3021 +    public void testAnyOf_normal() throws Exception {
3022 +        for (int k = 0; k < 10; ++k) {
3023 +            CompletableFuture[] fs = new CompletableFuture[k];
3024 +            for (int i = 0; i < k; ++i)
3025 +                fs[i] = new CompletableFuture<>();
3026 +            CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3027 +            checkIncomplete(f);
3028 +            for (int i = 0; i < k; ++i) {
3029 +                fs[i].complete(one);
3030 +                checkCompletedNormally(f, one);
3031 +                checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3032 +            }
3033 +        }
3034 +    }
3035 +
3036 +    /**
3037 +     * anyOf result completes exceptionally when any component does.
3038 +     */
3039 +    public void testAnyOf_exceptional() throws Exception {
3040 +        for (int k = 0; k < 10; ++k) {
3041 +            CompletableFuture[] fs = new CompletableFuture[k];
3042 +            for (int i = 0; i < k; ++i)
3043 +                fs[i] = new CompletableFuture<>();
3044 +            CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3045 +            checkIncomplete(f);
3046 +            for (int i = 0; i < k; ++i) {
3047 +                fs[i].completeExceptionally(new CFException());
3048 +                checkCompletedWithWrappedCFException(f);
3049 +                checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3050 +            }
3051 +        }
3052 +    }
3053 +
3054 +    /**
3055 +     * Completion methods throw NullPointerException with null arguments
3056 +     */
3057 +    public void testNPE() {
3058 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3059 +        CompletableFuture<Integer> g = new CompletableFuture<>();
3060 +        CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3061 +        CompletableFuture<?> h;
3062 +        ThreadExecutor exec = new ThreadExecutor();
3063 +
3064 +        Runnable[] throwingActions = {
3065 +            () -> CompletableFuture.supplyAsync(null),
3066 +            () -> CompletableFuture.supplyAsync(null, exec),
3067 +            () -> CompletableFuture.supplyAsync(supplyOne, null),
3068 +
3069 +            () -> CompletableFuture.runAsync(null),
3070 +            () -> CompletableFuture.runAsync(null, exec),
3071 +            () -> CompletableFuture.runAsync(() -> {}, null),
3072 +
3073 +            () -> f.completeExceptionally(null),
3074 +
3075 +            () -> f.thenApply(null),
3076 +            () -> f.thenApplyAsync(null),
3077 +            () -> f.thenApplyAsync((x) -> x, null),
3078 +            () -> f.thenApplyAsync(null, exec),
3079 +
3080 +            () -> f.thenAccept(null),
3081 +            () -> f.thenAcceptAsync(null),
3082 +            () -> f.thenAcceptAsync((x) -> {} , null),
3083 +            () -> f.thenAcceptAsync(null, exec),
3084 +
3085 +            () -> f.thenRun(null),
3086 +            () -> f.thenRunAsync(null),
3087 +            () -> f.thenRunAsync(() -> {} , null),
3088 +            () -> f.thenRunAsync(null, exec),
3089 +
3090 +            () -> f.thenCombine(g, null),
3091 +            () -> f.thenCombineAsync(g, null),
3092 +            () -> f.thenCombineAsync(g, null, exec),
3093 +            () -> f.thenCombine(nullFuture, (x, y) -> x),
3094 +            () -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3095 +            () -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3096 +            () -> f.thenCombineAsync(g, (x, y) -> x, null),
3097 +
3098 +            () -> f.thenAcceptBoth(g, null),
3099 +            () -> f.thenAcceptBothAsync(g, null),
3100 +            () -> f.thenAcceptBothAsync(g, null, exec),
3101 +            () -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3102 +            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3103 +            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3104 +            () -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3105 +
3106 +            () -> f.runAfterBoth(g, null),
3107 +            () -> f.runAfterBothAsync(g, null),
3108 +            () -> f.runAfterBothAsync(g, null, exec),
3109 +            () -> f.runAfterBoth(nullFuture, () -> {}),
3110 +            () -> f.runAfterBothAsync(nullFuture, () -> {}),
3111 +            () -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3112 +            () -> f.runAfterBothAsync(g, () -> {}, null),
3113 +
3114 +            () -> f.applyToEither(g, null),
3115 +            () -> f.applyToEitherAsync(g, null),
3116 +            () -> f.applyToEitherAsync(g, null, exec),
3117 +            () -> f.applyToEither(nullFuture, (x) -> x),
3118 +            () -> f.applyToEitherAsync(nullFuture, (x) -> x),
3119 +            () -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3120 +            () -> f.applyToEitherAsync(g, (x) -> x, null),
3121 +
3122 +            () -> f.acceptEither(g, null),
3123 +            () -> f.acceptEitherAsync(g, null),
3124 +            () -> f.acceptEitherAsync(g, null, exec),
3125 +            () -> f.acceptEither(nullFuture, (x) -> {}),
3126 +            () -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3127 +            () -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3128 +            () -> f.acceptEitherAsync(g, (x) -> {}, null),
3129 +
3130 +            () -> f.runAfterEither(g, null),
3131 +            () -> f.runAfterEitherAsync(g, null),
3132 +            () -> f.runAfterEitherAsync(g, null, exec),
3133 +            () -> f.runAfterEither(nullFuture, () -> {}),
3134 +            () -> f.runAfterEitherAsync(nullFuture, () -> {}),
3135 +            () -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3136 +            () -> f.runAfterEitherAsync(g, () -> {}, null),
3137 +
3138 +            () -> f.thenCompose(null),
3139 +            () -> f.thenComposeAsync(null),
3140 +            () -> f.thenComposeAsync(new CompletableFutureInc(), null),
3141 +            () -> f.thenComposeAsync(null, exec),
3142 +
3143 +            () -> f.exceptionally(null),
3144 +
3145 +            () -> f.handle(null),
3146 +
3147 +            () -> CompletableFuture.allOf((CompletableFuture<?>)null),
3148 +            () -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3149 +            () -> CompletableFuture.allOf(f, null),
3150 +            () -> CompletableFuture.allOf(null, f),
3151 +
3152 +            () -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3153 +            () -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3154 +            () -> CompletableFuture.anyOf(f, null),
3155 +            () -> CompletableFuture.anyOf(null, f),
3156 +
3157 +            () -> f.obtrudeException(null),
3158 +        };
3159 +
3160 +        assertThrows(NullPointerException.class, throwingActions);
3161 +        assertEquals(0, exec.count.get());
3162 +    }
3163 +
3164 +    /**
3165 +     * toCompletableFuture returns this CompletableFuture.
3166 +     */
3167 +    public void testToCompletableFuture() {
3168 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3169 +        assertSame(f, f.toCompletableFuture());
3170 +    }
3171 +
3172 +    /**
3173 +     * whenComplete action executes on normal completion, propagating
3174 +     * source result.
3175 +     */
3176 +    public void testWhenComplete1() {
3177 +        final AtomicInteger a = new AtomicInteger();
3178 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3179 +        CompletableFuture<Integer> g =
3180 +            f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3181 +        f.complete(three);
3182 +        checkCompletedNormally(f, three);
3183 +        checkCompletedNormally(g, three);
3184 +        assertEquals(a.get(), 1);
3185 +    }
3186 +
3187 +    /**
3188 +     * whenComplete action executes on exceptional completion, propagating
3189 +     * source result.
3190 +     */
3191 +    public void testWhenComplete2() {
3192 +        final AtomicInteger a = new AtomicInteger();
3193 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3194 +        CompletableFuture<Integer> g =
3195 +            f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3196 +        f.completeExceptionally(new CFException());
3197 +        assertTrue(f.isCompletedExceptionally());
3198 +        assertTrue(g.isCompletedExceptionally());
3199 +        assertEquals(a.get(), 1);
3200 +    }
3201 +
3202 +    /**
3203 +     * If a whenComplete action throws an exception when triggered by
3204 +     * a normal completion, it completes exceptionally
3205 +     */
3206 +    public void testWhenComplete3() {
3207 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3208 +        CompletableFuture<Integer> g =
3209 +            f.whenComplete((Integer x, Throwable t) ->
3210 +                           { throw new CFException(); } );
3211 +        f.complete(three);
3212 +        checkCompletedNormally(f, three);
3213 +        assertTrue(g.isCompletedExceptionally());
3214 +        checkCompletedWithWrappedCFException(g);
3215 +    }
3216 +
3217 +    /**
3218 +     * whenCompleteAsync action executes on normal completion, propagating
3219 +     * source result.
3220 +     */
3221 +    public void testWhenCompleteAsync1() {
3222 +        final AtomicInteger a = new AtomicInteger();
3223 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3224 +        CompletableFuture<Integer> g =
3225 +            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3226 +        f.complete(three);
3227 +        checkCompletedNormally(f, three);
3228 +        checkCompletedNormally(g, three);
3229 +        assertEquals(a.get(), 1);
3230 +    }
3231 +
3232 +    /**
3233 +     * whenCompleteAsync action executes on exceptional completion, propagating
3234 +     * source result.
3235 +     */
3236 +    public void testWhenCompleteAsync2() {
3237 +        final AtomicInteger a = new AtomicInteger();
3238 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3239 +        CompletableFuture<Integer> g =
3240 +            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3241 +        f.completeExceptionally(new CFException());
3242 +        checkCompletedWithWrappedCFException(f);
3243 +        checkCompletedWithWrappedCFException(g);
3244 +    }
3245 +
3246 +    /**
3247 +     * If a whenCompleteAsync action throws an exception when
3248 +     * triggered by a normal completion, it completes exceptionally
3249 +     */
3250 +    public void testWhenCompleteAsync3() {
3251 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3252 +        CompletableFuture<Integer> g =
3253 +            f.whenCompleteAsync((Integer x, Throwable t) ->
3254 +                           { throw new CFException(); } );
3255 +        f.complete(three);
3256 +        checkCompletedNormally(f, three);
3257 +        checkCompletedWithWrappedCFException(g);
3258 +    }
3259 +
3260 +    /**
3261 +     * whenCompleteAsync action executes on normal completion, propagating
3262 +     * source result.
3263 +     */
3264 +    public void testWhenCompleteAsync1e() {
3265 +        final AtomicInteger a = new AtomicInteger();
3266 +        ThreadExecutor exec = new ThreadExecutor();
3267 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3268 +        CompletableFuture<Integer> g =
3269 +            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3270 +                                exec);
3271 +        f.complete(three);
3272 +        checkCompletedNormally(f, three);
3273 +        checkCompletedNormally(g, three);
3274 +        assertEquals(a.get(), 1);
3275 +    }
3276 +
3277 +    /**
3278 +     * whenCompleteAsync action executes on exceptional completion, propagating
3279 +     * source result.
3280 +     */
3281 +    public void testWhenCompleteAsync2e() {
3282 +        final AtomicInteger a = new AtomicInteger();
3283 +        ThreadExecutor exec = new ThreadExecutor();
3284 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3285 +        CompletableFuture<Integer> g =
3286 +            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3287 +                                exec);
3288 +        f.completeExceptionally(new CFException());
3289 +        checkCompletedWithWrappedCFException(f);
3290 +        checkCompletedWithWrappedCFException(g);
3291 +    }
3292 +
3293 +    /**
3294 +     * If a whenCompleteAsync action throws an exception when triggered
3295 +     * by a normal completion, it completes exceptionally
3296 +     */
3297 +    public void testWhenCompleteAsync3e() {
3298 +        ThreadExecutor exec = new ThreadExecutor();
3299 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3300 +        CompletableFuture<Integer> g =
3301 +            f.whenCompleteAsync((Integer x, Throwable t) ->
3302 +                                { throw new CFException(); },
3303 +                                exec);
3304 +        f.complete(three);
3305 +        checkCompletedNormally(f, three);
3306 +        checkCompletedWithWrappedCFException(g);
3307 +    }
3308 +
3309 +    /**
3310 +     * handleAsync action completes normally with function value on
3311 +     * either normal or exceptional completion of source
3312 +     */
3313 +    public void testHandleAsync() {
3314 +        CompletableFuture<Integer> f, g;
3315 +        IntegerHandler r;
3316 +
3317 +        f = new CompletableFuture<>();
3318 +        g = f.handleAsync(r = new IntegerHandler());
3319 +        assertFalse(r.ran);
3320 +        f.completeExceptionally(new CFException());
3321 +        checkCompletedWithWrappedCFException(f);
3322 +        checkCompletedNormally(g, three);
3323 +        assertTrue(r.ran);
3324 +
3325 +        f = new CompletableFuture<>();
3326 +        g = f.handleAsync(r = new IntegerHandler());
3327 +        assertFalse(r.ran);
3328 +        f.completeExceptionally(new CFException());
3329 +        checkCompletedWithWrappedCFException(f);
3330 +        checkCompletedNormally(g, three);
3331 +        assertTrue(r.ran);
3332 +
3333 +        f = new CompletableFuture<>();
3334 +        g = f.handleAsync(r = new IntegerHandler());
3335 +        assertFalse(r.ran);
3336 +        f.complete(one);
3337 +        checkCompletedNormally(f, one);
3338 +        checkCompletedNormally(g, two);
3339 +        assertTrue(r.ran);
3340 +
3341 +        f = new CompletableFuture<>();
3342 +        g = f.handleAsync(r = new IntegerHandler());
3343 +        assertFalse(r.ran);
3344 +        f.complete(one);
3345 +        checkCompletedNormally(f, one);
3346 +        checkCompletedNormally(g, two);
3347 +        assertTrue(r.ran);
3348 +    }
3349 +
3350 +    /**
3351 +     * handleAsync action with Executor completes normally with
3352 +     * function value on either normal or exceptional completion of
3353 +     * source
3354 +     */
3355 +    public void testHandleAsync2() {
3356 +        CompletableFuture<Integer> f, g;
3357 +        ThreadExecutor exec = new ThreadExecutor();
3358 +        IntegerHandler r;
3359 +
3360 +        f = new CompletableFuture<>();
3361 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3362 +        assertFalse(r.ran);
3363 +        f.completeExceptionally(new CFException());
3364 +        checkCompletedWithWrappedCFException(f);
3365 +        checkCompletedNormally(g, three);
3366 +        assertTrue(r.ran);
3367 +
3368 +        f = new CompletableFuture<>();
3369 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3370 +        assertFalse(r.ran);
3371 +        f.completeExceptionally(new CFException());
3372 +        checkCompletedWithWrappedCFException(f);
3373 +        checkCompletedNormally(g, three);
3374 +        assertTrue(r.ran);
3375 +
3376 +        f = new CompletableFuture<>();
3377 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3378 +        assertFalse(r.ran);
3379 +        f.complete(one);
3380 +        checkCompletedNormally(f, one);
3381 +        checkCompletedNormally(g, two);
3382 +        assertTrue(r.ran);
3383 +
3384 +        f = new CompletableFuture<>();
3385 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3386 +        assertFalse(r.ran);
3387 +        f.complete(one);
3388 +        checkCompletedNormally(f, one);
3389 +        checkCompletedNormally(g, two);
3390 +        assertTrue(r.ran);
3391 +    }
3392 +
3393   }

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