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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.4 by jsr166, Sun Feb 10 21:18:25 2013 UTC vs.
Revision 1.35 by jsr166, Sun Jun 1 22:22:49 2014 UTC

# Line 7 | Line 7
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 27 | 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());
# Line 42 | Line 54 | public class CompletableFutureTest exten
54          catch (Throwable fail) { threadUnexpectedException(fail); }
55      }
56  
57 <    void checkCompletedNormally(CompletableFuture<?> f, Object value) {
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 <            assertSame(value, f.join());
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 <            assertSame(value, f.getNow(null));
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 <            assertSame(value, f.get());
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 <            assertSame(value, f.get(0L, SECONDS));
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 <    // XXXX Just a skeleton implementation for now.
138 <    public void testTODO() {
139 <        fail("Please add some real tests!");
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 80 | Line 309 | public class CompletableFutureTest exten
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 +    static final Supplier<Integer> supplyOne =
322 +        () -> Integer.valueOf(1);
323 +    static final Function<Integer, Integer> inc =
324 +        (Integer x) -> Integer.valueOf(x.intValue() + 1);
325 +    static final BiFunction<Integer, Integer, Integer> subtract =
326 +        (Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
327 +    static final class IncAction implements Consumer<Integer> {
328 +        int value;
329 +        public void accept(Integer x) { value = x.intValue() + 1; }
330 +    }
331 +    static final class SubtractAction implements BiConsumer<Integer, Integer> {
332 +        // Handle null values as well
333 +        public int subtract(Integer x, Integer y) {
334 +            return ((x == null) ? 42 : x.intValue())
335 +                - ((y == null) ? 99 : y.intValue());
336 +        }
337 +        int value;
338 +        public boolean ran() { return value != 0; }
339 +        public void accept(Integer x, Integer y) {
340 +            value = subtract(x, y);
341 +        }
342 +    }
343 +    static final class Noop implements Runnable {
344 +        boolean ran;
345 +        public void run() { ran = true; }
346 +    }
347 +
348 +    static final class FailingSupplier implements Supplier<Integer> {
349 +        boolean ran;
350 +        public Integer get() { ran = true; throw new CFException(); }
351 +    }
352 +    static final class FailingConsumer implements Consumer<Integer> {
353 +        boolean ran;
354 +        public void accept(Integer x) { ran = true; throw new CFException(); }
355 +    }
356 +    static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
357 +        boolean ran;
358 +        public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
359 +    }
360 +    static final class FailingFunction implements Function<Integer, Integer> {
361 +        boolean ran;
362 +        public Integer apply(Integer x) { ran = true; throw new CFException(); }
363 +    }
364 +    static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
365 +        boolean ran;
366 +        public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
367 +    }
368 +    static final class FailingNoop implements Runnable {
369 +        boolean ran;
370 +        public void run() { ran = true; throw new CFException(); }
371 +    }
372 +
373 +    static final class CompletableFutureInc
374 +        implements Function<Integer, CompletableFuture<Integer>> {
375 +        boolean ran;
376 +        public CompletableFuture<Integer> apply(Integer x) {
377 +            ran = true;
378 +            CompletableFuture<Integer> f = new CompletableFuture<>();
379 +            f.complete(Integer.valueOf(x.intValue() + 1));
380 +            return f;
381 +        }
382 +    }
383 +
384 +    static final class FailingCompletableFutureFunction
385 +        implements Function<Integer, CompletableFuture<Integer>> {
386 +        boolean ran;
387 +        public CompletableFuture<Integer> apply(Integer x) {
388 +            ran = true; throw new CFException();
389 +        }
390 +    }
391 +
392 +    // Used for explicit executor tests
393 +    static final class ThreadExecutor implements Executor {
394 +        AtomicInteger count = new AtomicInteger(0);
395 +
396 +        public void execute(Runnable r) {
397 +            count.getAndIncrement();
398 +            new Thread(r).start();
399 +        }
400 +    }
401 +
402 +    static final class ExceptionToInteger implements Function<Throwable, Integer> {
403 +        public Integer apply(Throwable x) { return Integer.valueOf(3); }
404 +    }
405 +
406 +    static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
407 +        boolean ran;
408 +        public Integer apply(Integer x, Throwable t) {
409 +            ran = true;
410 +            return (t == null) ? two : three;
411 +        }
412 +    }
413 +
414 +    /**
415 +     * Permits the testing of parallel code for the 3 different
416 +     * execution modes without repeating all the testing code.
417 +     */
418 +    enum ExecutionMode {
419 +        DEFAULT {
420 +            public <T,U> CompletableFuture<Void> runAfterBoth
421 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
422 +                return f.runAfterBoth(g, a);
423 +            }
424 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
425 +                (CompletableFuture<T> f,
426 +                 CompletionStage<? extends U> g,
427 +                 BiConsumer<? super T,? super U> a) {
428 +                return f.thenAcceptBoth(g, a);
429 +            }
430 +        },
431 +
432 + //             /** Experimental way to do more testing */
433 + //         REVERSE_DEFAULT {
434 + //             public <T,U> CompletableFuture<Void> runAfterBoth
435 + //                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
436 + //                 return g.runAfterBoth(f, a);
437 + //             }
438 + //             public <T,U> CompletableFuture<Void> thenAcceptBoth
439 + //                 (CompletableFuture<T> f,
440 + //                  CompletionStage<? extends U> g,
441 + //                  BiConsumer<? super T,? super U> a) {
442 + //                 return DEFAULT.thenAcceptBoth(f, g, a);
443 + //             }
444 + //         },
445 +
446 +        DEFAULT_ASYNC {
447 +            public <T,U> CompletableFuture<Void> runAfterBoth
448 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
449 +                return f.runAfterBothAsync(g, a);
450 +            }
451 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
452 +                (CompletableFuture<T> f,
453 +                 CompletionStage<? extends U> g,
454 +                 BiConsumer<? super T,? super U> a) {
455 +                return f.thenAcceptBothAsync(g, a);
456 +            }
457 +        },
458 +
459 + //         REVERSE_DEFAULT_ASYNC {
460 + //             public <T,U> CompletableFuture<Void> runAfterBoth
461 + //                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
462 + //                 return f.runAfterBothAsync(g, a);
463 + //             }
464 + //             public <T,U> CompletableFuture<Void> thenAcceptBoth
465 + //                 (CompletableFuture<T> f,
466 + //                  CompletionStage<? extends U> g,
467 + //                  BiConsumer<? super T,? super U> a) {
468 + //                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
469 + //             }
470 + //         },
471 +
472 +        EXECUTOR {
473 +            public <T,U> CompletableFuture<Void> runAfterBoth
474 +                (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
475 +                return f.runAfterBothAsync(g, a, new ThreadExecutor());
476 +            }
477 +            public <T,U> CompletableFuture<Void> thenAcceptBoth
478 +                (CompletableFuture<T> f,
479 +                 CompletionStage<? extends U> g,
480 +                 BiConsumer<? super T,? super U> a) {
481 +                return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
482 +            }
483 +        };
484 +
485 +        public abstract <T,U> CompletableFuture<Void> runAfterBoth
486 +            (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
487 +        public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
488 +            (CompletableFuture<T> f,
489 +             CompletionStage<? extends U> g,
490 +             BiConsumer<? super T,? super U> a);
491 +    }
492 +
493 +    /**
494 +     * exceptionally action completes with function value on source
495 +     * exception; otherwise with source value
496 +     */
497 +    public void testExceptionally() {
498 +        CompletableFuture<Integer> f = new CompletableFuture<>();
499 +        ExceptionToInteger r = new ExceptionToInteger();
500 +        CompletableFuture<Integer> g = f.exceptionally(r);
501 +        f.completeExceptionally(new CFException());
502 +        checkCompletedNormally(g, three);
503 +
504 +        f = new CompletableFuture<>();
505 +        r = new ExceptionToInteger();
506 +        g = f.exceptionally(r);
507 +        f.complete(one);
508 +        checkCompletedNormally(g, one);
509 +    }
510 +
511 +    /**
512 +     * handle action completes normally with function value on either
513 +     * normal or exceptional completion of source
514 +     */
515 +    public void testHandle() {
516 +        CompletableFuture<Integer> f, g;
517 +        IntegerHandler r;
518 +
519 +        f = new CompletableFuture<>();
520 +        f.completeExceptionally(new CFException());
521 +        g = f.handle(r = new IntegerHandler());
522 +        assertTrue(r.ran);
523 +        checkCompletedNormally(g, three);
524 +
525 +        f = new CompletableFuture<>();
526 +        g = f.handle(r = new IntegerHandler());
527 +        assertFalse(r.ran);
528 +        f.completeExceptionally(new CFException());
529 +        checkCompletedNormally(g, three);
530 +        assertTrue(r.ran);
531 +
532 +        f = new CompletableFuture<>();
533 +        f.complete(one);
534 +        g = f.handle(r = new IntegerHandler());
535 +        assertTrue(r.ran);
536 +        checkCompletedNormally(g, two);
537 +
538 +        f = new CompletableFuture<>();
539 +        g = f.handle(r = new IntegerHandler());
540 +        assertFalse(r.ran);
541 +        f.complete(one);
542 +        assertTrue(r.ran);
543 +        checkCompletedNormally(g, two);
544 +    }
545 +
546 +    /**
547 +     * runAsync completes after running Runnable
548 +     */
549 +    public void testRunAsync() {
550 +        Noop r = new Noop();
551 +        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
552 +        assertNull(f.join());
553 +        assertTrue(r.ran);
554 +        checkCompletedNormally(f, null);
555 +    }
556 +
557 +    /**
558 +     * runAsync with executor completes after running Runnable
559 +     */
560 +    public void testRunAsync2() {
561 +        Noop r = new Noop();
562 +        ThreadExecutor exec = new ThreadExecutor();
563 +        CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
564 +        assertNull(f.join());
565 +        assertTrue(r.ran);
566 +        checkCompletedNormally(f, null);
567 +        assertEquals(1, exec.count.get());
568 +    }
569 +
570 +    /**
571 +     * failing runAsync completes exceptionally after running Runnable
572 +     */
573 +    public void testRunAsync3() {
574 +        FailingNoop r = new FailingNoop();
575 +        CompletableFuture<Void> f = CompletableFuture.runAsync(r);
576 +        checkCompletedWithWrappedCFException(f);
577 +        assertTrue(r.ran);
578 +    }
579 +
580 +    /**
581 +     * supplyAsync completes with result of supplier
582 +     */
583 +    public void testSupplyAsync() {
584 +        CompletableFuture<Integer> f;
585 +        f = CompletableFuture.supplyAsync(supplyOne);
586 +        assertEquals(f.join(), one);
587 +        checkCompletedNormally(f, one);
588 +    }
589 +
590 +    /**
591 +     * supplyAsync with executor completes with result of supplier
592 +     */
593 +    public void testSupplyAsync2() {
594 +        CompletableFuture<Integer> f;
595 +        f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
596 +        assertEquals(f.join(), one);
597 +        checkCompletedNormally(f, one);
598 +    }
599 +
600 +    /**
601 +     * Failing supplyAsync completes exceptionally
602 +     */
603 +    public void testSupplyAsync3() {
604 +        FailingSupplier r = new FailingSupplier();
605 +        CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
606 +        checkCompletedWithWrappedCFException(f);
607 +        assertTrue(r.ran);
608 +    }
609 +
610 +    // seq completion methods
611 +
612 +    /**
613 +     * thenRun result completes normally after normal completion of source
614 +     */
615 +    public void testThenRun() {
616 +        CompletableFuture<Integer> f;
617 +        CompletableFuture<Void> g;
618 +        Noop r;
619 +
620 +        f = new CompletableFuture<>();
621 +        g = f.thenRun(r = new Noop());
622 +        f.complete(null);
623 +        checkCompletedNormally(g, null);
624 +        assertTrue(r.ran);
625 +
626 +        f = new CompletableFuture<>();
627 +        f.complete(null);
628 +        g = f.thenRun(r = new Noop());
629 +        checkCompletedNormally(g, null);
630 +        assertTrue(r.ran);
631 +    }
632 +
633 +    /**
634 +     * thenRun result completes exceptionally after exceptional
635 +     * completion of source
636 +     */
637 +    public void testThenRun2() {
638 +        CompletableFuture<Integer> f;
639 +        CompletableFuture<Void> g;
640 +        Noop r;
641 +
642 +        f = new CompletableFuture<>();
643 +        g = f.thenRun(r = new Noop());
644 +        f.completeExceptionally(new CFException());
645 +        checkCompletedWithWrappedCFException(g);
646 +        assertFalse(r.ran);
647 +
648 +        f = new CompletableFuture<>();
649 +        f.completeExceptionally(new CFException());
650 +        g = f.thenRun(r = new Noop());
651 +        checkCompletedWithWrappedCFException(g);
652 +        assertFalse(r.ran);
653 +    }
654 +
655 +    /**
656 +     * thenRun result completes exceptionally if action does
657 +     */
658 +    public void testThenRun3() {
659 +        CompletableFuture<Integer> f;
660 +        CompletableFuture<Void> g;
661 +        FailingNoop r;
662 +
663 +        f = new CompletableFuture<>();
664 +        g = f.thenRun(r = new FailingNoop());
665 +        f.complete(null);
666 +        checkCompletedWithWrappedCFException(g);
667 +
668 +        f = new CompletableFuture<>();
669 +        f.complete(null);
670 +        g = f.thenRun(r = new FailingNoop());
671 +        checkCompletedWithWrappedCFException(g);
672 +    }
673 +
674 +    /**
675 +     * thenRun result completes exceptionally if source cancelled
676 +     */
677 +    public void testThenRun4() {
678 +        CompletableFuture<Integer> f;
679 +        CompletableFuture<Void> g;
680 +        Noop r;
681 +
682 +        f = new CompletableFuture<>();
683 +        g = f.thenRun(r = new Noop());
684 +        assertTrue(f.cancel(true));
685 +        checkCompletedWithWrappedCancellationException(g);
686 +
687 +        f = new CompletableFuture<>();
688 +        assertTrue(f.cancel(true));
689 +        g = f.thenRun(r = new Noop());
690 +        checkCompletedWithWrappedCancellationException(g);
691 +    }
692 +
693 +    /**
694 +     * thenApply result completes normally after normal completion of source
695 +     */
696 +    public void testThenApply() {
697 +        CompletableFuture<Integer> f = new CompletableFuture<>();
698 +        CompletableFuture<Integer> g = f.thenApply(inc);
699 +        f.complete(one);
700 +        checkCompletedNormally(g, two);
701 +    }
702 +
703 +    /**
704 +     * thenApply result completes exceptionally after exceptional
705 +     * completion of source
706 +     */
707 +    public void testThenApply2() {
708 +        CompletableFuture<Integer> f = new CompletableFuture<>();
709 +        CompletableFuture<Integer> g = f.thenApply(inc);
710 +        f.completeExceptionally(new CFException());
711 +        checkCompletedWithWrappedCFException(g);
712 +    }
713 +
714 +    /**
715 +     * thenApply result completes exceptionally if action does
716 +     */
717 +    public void testThenApply3() {
718 +        CompletableFuture<Integer> f = new CompletableFuture<>();
719 +        CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
720 +        f.complete(one);
721 +        checkCompletedWithWrappedCFException(g);
722 +    }
723 +
724 +    /**
725 +     * thenApply result completes exceptionally if source cancelled
726 +     */
727 +    public void testThenApply4() {
728 +        CompletableFuture<Integer> f = new CompletableFuture<>();
729 +        CompletableFuture<Integer> g = f.thenApply(inc);
730 +        assertTrue(f.cancel(true));
731 +        checkCompletedWithWrappedCancellationException(g);
732 +    }
733 +
734 +    /**
735 +     * thenAccept result completes normally after normal completion of source
736 +     */
737 +    public void testThenAccept() {
738 +        CompletableFuture<Integer> f = new CompletableFuture<>();
739 +        IncAction r = new IncAction();
740 +        CompletableFuture<Void> g = f.thenAccept(r);
741 +        f.complete(one);
742 +        checkCompletedNormally(g, null);
743 +        assertEquals(r.value, 2);
744 +    }
745 +
746 +    /**
747 +     * thenAccept result completes exceptionally after exceptional
748 +     * completion of source
749 +     */
750 +    public void testThenAccept2() {
751 +        CompletableFuture<Integer> f = new CompletableFuture<>();
752 +        IncAction r = new IncAction();
753 +        CompletableFuture<Void> g = f.thenAccept(r);
754 +        f.completeExceptionally(new CFException());
755 +        checkCompletedWithWrappedCFException(g);
756 +    }
757 +
758 +    /**
759 +     * thenAccept result completes exceptionally if action does
760 +     */
761 +    public void testThenAccept3() {
762 +        CompletableFuture<Integer> f = new CompletableFuture<>();
763 +        FailingConsumer r = new FailingConsumer();
764 +        CompletableFuture<Void> g = f.thenAccept(r);
765 +        f.complete(one);
766 +        checkCompletedWithWrappedCFException(g);
767 +        assertTrue(r.ran);
768 +    }
769 +
770 +    /**
771 +     * thenAccept result completes exceptionally if source cancelled
772 +     */
773 +    public void testThenAccept4() {
774 +        CompletableFuture<Integer> f = new CompletableFuture<>();
775 +        IncAction r = new IncAction();
776 +        CompletableFuture<Void> g = f.thenAccept(r);
777 +        assertTrue(f.cancel(true));
778 +        checkCompletedWithWrappedCancellationException(g);
779 +    }
780 +
781 +    /**
782 +     * thenCombine result completes normally after normal completion
783 +     * of sources
784 +     */
785 +    public void testThenCombine() {
786 +        CompletableFuture<Integer> f, g, h;
787 +
788 +        f = new CompletableFuture<>();
789 +        g = new CompletableFuture<>();
790 +        h = f.thenCombine(g, subtract);
791 +        f.complete(3);
792 +        checkIncomplete(h);
793 +        g.complete(1);
794 +        checkCompletedNormally(h, 2);
795 +
796 +        f = new CompletableFuture<>();
797 +        g = new CompletableFuture<>();
798 +        h = f.thenCombine(g, subtract);
799 +        g.complete(1);
800 +        checkIncomplete(h);
801 +        f.complete(3);
802 +        checkCompletedNormally(h, 2);
803 +
804 +        f = new CompletableFuture<>();
805 +        g = new CompletableFuture<>();
806 +        g.complete(1);
807 +        f.complete(3);
808 +        h = f.thenCombine(g, subtract);
809 +        checkCompletedNormally(h, 2);
810 +    }
811 +
812 +    /**
813 +     * thenCombine result completes exceptionally after exceptional
814 +     * completion of either source
815 +     */
816 +    public void testThenCombine2() {
817 +        CompletableFuture<Integer> f, g, h;
818 +
819 +        f = new CompletableFuture<>();
820 +        g = new CompletableFuture<>();
821 +        h = f.thenCombine(g, subtract);
822 +        f.completeExceptionally(new CFException());
823 +        checkIncomplete(h);
824 +        g.complete(1);
825 +        checkCompletedWithWrappedCFException(h);
826 +
827 +        f = new CompletableFuture<>();
828 +        g = new CompletableFuture<>();
829 +        h = f.thenCombine(g, subtract);
830 +        g.completeExceptionally(new CFException());
831 +        checkIncomplete(h);
832 +        f.complete(3);
833 +        checkCompletedWithWrappedCFException(h);
834 +
835 +        f = new CompletableFuture<>();
836 +        g = new CompletableFuture<>();
837 +        f.complete(3);
838 +        g.completeExceptionally(new CFException());
839 +        h = f.thenCombine(g, subtract);
840 +        checkCompletedWithWrappedCFException(h);
841 +
842 +        f = new CompletableFuture<>();
843 +        g = new CompletableFuture<>();
844 +        f.completeExceptionally(new CFException());
845 +        g.complete(3);
846 +        h = f.thenCombine(g, subtract);
847 +        checkCompletedWithWrappedCFException(h);
848 +    }
849 +
850 +    /**
851 +     * thenCombine result completes exceptionally if action does
852 +     */
853 +    public void testThenCombine3() {
854 +        CompletableFuture<Integer> f = new CompletableFuture<>();
855 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
856 +        FailingBiFunction r = new FailingBiFunction();
857 +        CompletableFuture<Integer> g = f.thenCombine(f2, r);
858 +        f.complete(one);
859 +        checkIncomplete(g);
860 +        assertFalse(r.ran);
861 +        f2.complete(two);
862 +        checkCompletedWithWrappedCFException(g);
863 +        assertTrue(r.ran);
864 +    }
865 +
866 +    /**
867 +     * thenCombine result completes exceptionally if either source cancelled
868 +     */
869 +    public void testThenCombine4() {
870 +        CompletableFuture<Integer> f, g, h;
871 +
872 +        f = new CompletableFuture<>();
873 +        g = new CompletableFuture<>();
874 +        h = f.thenCombine(g, subtract);
875 +        assertTrue(f.cancel(true));
876 +        checkIncomplete(h);
877 +        g.complete(1);
878 +        checkCompletedWithWrappedCancellationException(h);
879 +
880 +        f = new CompletableFuture<>();
881 +        g = new CompletableFuture<>();
882 +        h = f.thenCombine(g, subtract);
883 +        assertTrue(g.cancel(true));
884 +        checkIncomplete(h);
885 +        f.complete(3);
886 +        checkCompletedWithWrappedCancellationException(h);
887 +
888 +        f = new CompletableFuture<>();
889 +        g = new CompletableFuture<>();
890 +        assertTrue(f.cancel(true));
891 +        assertTrue(g.cancel(true));
892 +        h = f.thenCombine(g, subtract);
893 +        checkCompletedWithWrappedCancellationException(h);
894 +    }
895 +
896 +    /**
897 +     * thenAcceptBoth result completes normally after normal
898 +     * completion of sources
899 +     */
900 +    public void testThenAcceptBoth_normalCompletion1() {
901 +        for (ExecutionMode m : ExecutionMode.values())
902 +        for (Integer v1 : new Integer[] { 1, null })
903 +        for (Integer v2 : new Integer[] { 2, null }) {
904 +
905 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
906 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
907 +        final SubtractAction r = new SubtractAction();
908 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
909 +
910 +        f.complete(v1);
911 +        checkIncomplete(h);
912 +        assertEquals(r.value, 0);
913 +        g.complete(v2);
914 +
915 +        checkCompletedNormally(h, null);
916 +        assertEquals(r.value, r.subtract(v1, v2));
917 +        checkCompletedNormally(f, v1);
918 +        checkCompletedNormally(g, v2);
919 +        }
920 +    }
921 +
922 +    public void testThenAcceptBoth_normalCompletion2() {
923 +        for (ExecutionMode m : ExecutionMode.values())
924 +        for (Integer v1 : new Integer[] { 1, null })
925 +        for (Integer v2 : new Integer[] { 2, null }) {
926 +
927 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
928 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
929 +        final SubtractAction r = new SubtractAction();
930 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
931 +
932 +        g.complete(v2);
933 +        checkIncomplete(h);
934 +        assertEquals(r.value, 0);
935 +        f.complete(v1);
936 +
937 +        checkCompletedNormally(h, null);
938 +        assertEquals(r.value, r.subtract(v1, v2));
939 +        checkCompletedNormally(f, v1);
940 +        checkCompletedNormally(g, v2);
941 +        }
942 +    }
943 +
944 +    public void testThenAcceptBoth_normalCompletion3() {
945 +        for (ExecutionMode m : ExecutionMode.values())
946 +        for (Integer v1 : new Integer[] { 1, null })
947 +        for (Integer v2 : new Integer[] { 2, null }) {
948 +
949 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
950 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
951 +        final SubtractAction r = new SubtractAction();
952 +
953 +        g.complete(v2);
954 +        f.complete(v1);
955 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
956 +
957 +        checkCompletedNormally(h, null);
958 +        assertEquals(r.value, r.subtract(v1, v2));
959 +        checkCompletedNormally(f, v1);
960 +        checkCompletedNormally(g, v2);
961 +        }
962 +    }
963 +
964 +    public void testThenAcceptBoth_normalCompletion4() {
965 +        for (ExecutionMode m : ExecutionMode.values())
966 +        for (Integer v1 : new Integer[] { 1, null })
967 +        for (Integer v2 : new Integer[] { 2, null }) {
968 +
969 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
970 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
971 +        final SubtractAction r = new SubtractAction();
972 +
973 +        f.complete(v1);
974 +        g.complete(v2);
975 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
976 +
977 +        checkCompletedNormally(h, null);
978 +        assertEquals(r.value, r.subtract(v1, v2));
979 +        checkCompletedNormally(f, v1);
980 +        checkCompletedNormally(g, v2);
981 +        }
982 +    }
983 +
984 +    /**
985 +     * thenAcceptBoth result completes exceptionally after exceptional
986 +     * completion of either source
987 +     */
988 +    public void testThenAcceptBoth_exceptionalCompletion1() {
989 +        for (ExecutionMode m : ExecutionMode.values())
990 +        for (Integer v1 : new Integer[] { 1, null }) {
991 +
992 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
993 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
994 +        final SubtractAction r = new SubtractAction();
995 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
996 +        final CFException ex = new CFException();
997 +
998 +        f.completeExceptionally(ex);
999 +        checkIncomplete(h);
1000 +        g.complete(v1);
1001 +
1002 +        checkCompletedWithWrappedCFException(h, ex);
1003 +        checkCompletedWithWrappedCFException(f, ex);
1004 +        assertFalse(r.ran());
1005 +        checkCompletedNormally(g, v1);
1006 +        }
1007 +    }
1008 +
1009 +    public void testThenAcceptBoth_exceptionalCompletion2() {
1010 +        for (ExecutionMode m : ExecutionMode.values())
1011 +        for (Integer v1 : new Integer[] { 1, null }) {
1012 +
1013 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1014 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1015 +        final SubtractAction r = new SubtractAction();
1016 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1017 +        final CFException ex = new CFException();
1018 +
1019 +        g.completeExceptionally(ex);
1020 +        checkIncomplete(h);
1021 +        f.complete(v1);
1022 +
1023 +        checkCompletedWithWrappedCFException(h, ex);
1024 +        checkCompletedWithWrappedCFException(g, ex);
1025 +        assertFalse(r.ran());
1026 +        checkCompletedNormally(f, v1);
1027 +        }
1028 +    }
1029 +
1030 +    public void testThenAcceptBoth_exceptionalCompletion3() {
1031 +        for (ExecutionMode m : ExecutionMode.values())
1032 +        for (Integer v1 : new Integer[] { 1, null }) {
1033 +
1034 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1035 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1036 +        final SubtractAction r = new SubtractAction();
1037 +        final CFException ex = new CFException();
1038 +
1039 +        g.completeExceptionally(ex);
1040 +        f.complete(v1);
1041 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1042 +
1043 +        checkCompletedWithWrappedCFException(h, ex);
1044 +        checkCompletedWithWrappedCFException(g, ex);
1045 +        assertFalse(r.ran());
1046 +        checkCompletedNormally(f, v1);
1047 +        }
1048 +    }
1049 +
1050 +    public void testThenAcceptBoth_exceptionalCompletion4() {
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 SubtractAction r = new SubtractAction();
1057 +        final CFException ex = new CFException();
1058 +
1059 +        f.completeExceptionally(ex);
1060 +        g.complete(v1);
1061 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1062 +
1063 +        checkCompletedWithWrappedCFException(h, ex);
1064 +        checkCompletedWithWrappedCFException(f, ex);
1065 +        assertFalse(r.ran());
1066 +        checkCompletedNormally(g, v1);
1067 +        }
1068 +    }
1069 +
1070 +    /**
1071 +     * thenAcceptBoth result completes exceptionally if action does
1072 +     */
1073 +    public void testThenAcceptBoth_actionFailed1() {
1074 +        for (ExecutionMode m : ExecutionMode.values())
1075 +        for (Integer v1 : new Integer[] { 1, null })
1076 +        for (Integer v2 : new Integer[] { 2, null }) {
1077 +
1078 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1079 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1080 +        final FailingBiConsumer r = new FailingBiConsumer();
1081 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1082 +
1083 +        f.complete(v1);
1084 +        checkIncomplete(h);
1085 +        g.complete(v2);
1086 +
1087 +        checkCompletedWithWrappedCFException(h);
1088 +        checkCompletedNormally(f, v1);
1089 +        checkCompletedNormally(g, v2);
1090 +        }
1091 +    }
1092 +
1093 +    public void testThenAcceptBoth_actionFailed2() {
1094 +        for (ExecutionMode m : ExecutionMode.values())
1095 +        for (Integer v1 : new Integer[] { 1, null })
1096 +        for (Integer v2 : new Integer[] { 2, null }) {
1097 +
1098 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1099 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1100 +        final FailingBiConsumer r = new FailingBiConsumer();
1101 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1102 +
1103 +        g.complete(v2);
1104 +        checkIncomplete(h);
1105 +        f.complete(v1);
1106 +
1107 +        checkCompletedWithWrappedCFException(h);
1108 +        checkCompletedNormally(f, v1);
1109 +        checkCompletedNormally(g, v2);
1110 +        }
1111 +    }
1112 +
1113 +    /**
1114 +     * thenAcceptBoth result completes exceptionally if either source cancelled
1115 +     */
1116 +    public void testThenAcceptBoth_sourceCancelled1() {
1117 +        for (ExecutionMode m : ExecutionMode.values())
1118 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1119 +        for (Integer v1 : new Integer[] { 1, null }) {
1120 +
1121 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1122 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1123 +        final SubtractAction r = new SubtractAction();
1124 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1125 +
1126 +        assertTrue(f.cancel(mayInterruptIfRunning));
1127 +        checkIncomplete(h);
1128 +        g.complete(v1);
1129 +
1130 +        checkCompletedWithWrappedCancellationException(h);
1131 +        checkCancelled(f);
1132 +        assertFalse(r.ran());
1133 +        checkCompletedNormally(g, v1);
1134 +        }
1135 +    }
1136 +
1137 +    public void testThenAcceptBoth_sourceCancelled2() {
1138 +        for (ExecutionMode m : ExecutionMode.values())
1139 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1140 +        for (Integer v1 : new Integer[] { 1, null }) {
1141 +
1142 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1143 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1144 +        final SubtractAction r = new SubtractAction();
1145 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1146 +
1147 +        assertTrue(g.cancel(mayInterruptIfRunning));
1148 +        checkIncomplete(h);
1149 +        f.complete(v1);
1150 +
1151 +        checkCompletedWithWrappedCancellationException(h);
1152 +        checkCancelled(g);
1153 +        assertFalse(r.ran());
1154 +        checkCompletedNormally(f, v1);
1155 +        }
1156 +    }
1157 +
1158 +    public void testThenAcceptBoth_sourceCancelled3() {
1159 +        for (ExecutionMode m : ExecutionMode.values())
1160 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1161 +        for (Integer v1 : new Integer[] { 1, null }) {
1162 +
1163 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1164 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1165 +        final SubtractAction r = new SubtractAction();
1166 +
1167 +        assertTrue(g.cancel(mayInterruptIfRunning));
1168 +        f.complete(v1);
1169 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1170 +
1171 +        checkCompletedWithWrappedCancellationException(h);
1172 +        checkCancelled(g);
1173 +        assertFalse(r.ran());
1174 +        checkCompletedNormally(f, v1);
1175 +        }
1176 +    }
1177 +
1178 +    public void testThenAcceptBoth_sourceCancelled4() {
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 SubtractAction r = new SubtractAction();
1186 +
1187 +        assertTrue(f.cancel(mayInterruptIfRunning));
1188 +        g.complete(v1);
1189 +        final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1190 +
1191 +        checkCompletedWithWrappedCancellationException(h);
1192 +        checkCancelled(f);
1193 +        assertFalse(r.ran());
1194 +        checkCompletedNormally(g, v1);
1195 +        }
1196 +    }
1197 +
1198 +    /**
1199 +     * runAfterBoth result completes normally after normal
1200 +     * completion of sources
1201 +     */
1202 +    public void testRunAfterBoth_normalCompletion1() {
1203 +        for (ExecutionMode m : ExecutionMode.values())
1204 +        for (Integer v1 : new Integer[] { 1, null })
1205 +        for (Integer v2 : new Integer[] { 2, null }) {
1206 +
1207 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1208 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1209 +        final Noop r = new Noop();
1210 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1211 +
1212 +        f.complete(v1);
1213 +        checkIncomplete(h);
1214 +        assertFalse(r.ran);
1215 +        g.complete(v2);
1216 +
1217 +        checkCompletedNormally(h, null);
1218 +        assertTrue(r.ran);
1219 +        checkCompletedNormally(f, v1);
1220 +        checkCompletedNormally(g, v2);
1221 +        }
1222 +    }
1223 +
1224 +    public void testRunAfterBoth_normalCompletion2() {
1225 +        for (ExecutionMode m : ExecutionMode.values())
1226 +        for (Integer v1 : new Integer[] { 1, null })
1227 +        for (Integer v2 : new Integer[] { 2, null }) {
1228 +
1229 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1230 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1231 +        final Noop r = new Noop();
1232 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1233 +
1234 +        g.complete(v2);
1235 +        checkIncomplete(h);
1236 +        assertFalse(r.ran);
1237 +        f.complete(v1);
1238 +
1239 +        checkCompletedNormally(h, null);
1240 +        assertTrue(r.ran);
1241 +        checkCompletedNormally(f, v1);
1242 +        checkCompletedNormally(g, v2);
1243 +        }
1244 +    }
1245 +
1246 +    public void testRunAfterBoth_normalCompletion3() {
1247 +        for (ExecutionMode m : ExecutionMode.values())
1248 +        for (Integer v1 : new Integer[] { 1, null })
1249 +        for (Integer v2 : new Integer[] { 2, null }) {
1250 +
1251 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1252 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1253 +        final Noop r = new Noop();
1254 +
1255 +        g.complete(v2);
1256 +        f.complete(v1);
1257 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1258 +
1259 +        checkCompletedNormally(h, null);
1260 +        assertTrue(r.ran);
1261 +        checkCompletedNormally(f, v1);
1262 +        checkCompletedNormally(g, v2);
1263 +        }
1264 +    }
1265 +
1266 +    public void testRunAfterBoth_normalCompletion4() {
1267 +        for (ExecutionMode m : ExecutionMode.values())
1268 +        for (Integer v1 : new Integer[] { 1, null })
1269 +        for (Integer v2 : new Integer[] { 2, null }) {
1270 +
1271 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1272 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1273 +        final Noop r = new Noop();
1274 +
1275 +        f.complete(v1);
1276 +        g.complete(v2);
1277 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1278 +
1279 +        checkCompletedNormally(h, null);
1280 +        assertTrue(r.ran);
1281 +        checkCompletedNormally(f, v1);
1282 +        checkCompletedNormally(g, v2);
1283 +        }
1284 +    }
1285 +
1286 +    /**
1287 +     * runAfterBoth result completes exceptionally after exceptional
1288 +     * completion of either source
1289 +     */
1290 +    public void testRunAfterBoth_exceptionalCompletion1() {
1291 +        for (ExecutionMode m : ExecutionMode.values())
1292 +        for (Integer v1 : new Integer[] { 1, null }) {
1293 +
1294 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1295 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1296 +        final Noop r = new Noop();
1297 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1298 +        final CFException ex = new CFException();
1299 +
1300 +        f.completeExceptionally(ex);
1301 +        checkIncomplete(h);
1302 +        g.complete(v1);
1303 +
1304 +        checkCompletedWithWrappedCFException(h, ex);
1305 +        checkCompletedWithWrappedCFException(f, ex);
1306 +        assertFalse(r.ran);
1307 +        checkCompletedNormally(g, v1);
1308 +        }
1309 +    }
1310 +
1311 +    public void testRunAfterBoth_exceptionalCompletion2() {
1312 +        for (ExecutionMode m : ExecutionMode.values())
1313 +        for (Integer v1 : new Integer[] { 1, null }) {
1314 +
1315 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1316 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1317 +        final Noop r = new Noop();
1318 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1319 +        final CFException ex = new CFException();
1320 +
1321 +        g.completeExceptionally(ex);
1322 +        checkIncomplete(h);
1323 +        f.complete(v1);
1324 +
1325 +        checkCompletedWithWrappedCFException(h, ex);
1326 +        checkCompletedWithWrappedCFException(g, ex);
1327 +        assertFalse(r.ran);
1328 +        checkCompletedNormally(f, v1);
1329 +        }
1330 +    }
1331 +
1332 +    public void testRunAfterBoth_exceptionalCompletion3() {
1333 +        for (ExecutionMode m : ExecutionMode.values())
1334 +        for (Integer v1 : new Integer[] { 1, null }) {
1335 +
1336 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1337 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1338 +        final Noop r = new Noop();
1339 +        final CFException ex = new CFException();
1340 +
1341 +        g.completeExceptionally(ex);
1342 +        f.complete(v1);
1343 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1344 +
1345 +        checkCompletedWithWrappedCFException(h, ex);
1346 +        checkCompletedWithWrappedCFException(g, ex);
1347 +        assertFalse(r.ran);
1348 +        checkCompletedNormally(f, v1);
1349 +        }
1350 +    }
1351 +
1352 +    public void testRunAfterBoth_exceptionalCompletion4() {
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 Noop r = new Noop();
1359 +        final CFException ex = new CFException();
1360 +
1361 +        f.completeExceptionally(ex);
1362 +        g.complete(v1);
1363 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1364 +
1365 +        checkCompletedWithWrappedCFException(h, ex);
1366 +        checkCompletedWithWrappedCFException(f, ex);
1367 +        assertFalse(r.ran);
1368 +        checkCompletedNormally(g, v1);
1369 +        }
1370 +    }
1371 +
1372 +    /**
1373 +     * runAfterBoth result completes exceptionally if action does
1374 +     */
1375 +    public void testRunAfterBoth_actionFailed1() {
1376 +        for (ExecutionMode m : ExecutionMode.values())
1377 +        for (Integer v1 : new Integer[] { 1, null })
1378 +        for (Integer v2 : new Integer[] { 2, null }) {
1379 +
1380 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1381 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1382 +        final FailingNoop r = new FailingNoop();
1383 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1384 +
1385 +        f.complete(v1);
1386 +        checkIncomplete(h);
1387 +        g.complete(v2);
1388 +
1389 +        checkCompletedWithWrappedCFException(h);
1390 +        checkCompletedNormally(f, v1);
1391 +        checkCompletedNormally(g, v2);
1392 +        }
1393 +    }
1394 +
1395 +    public void testRunAfterBoth_actionFailed2() {
1396 +        for (ExecutionMode m : ExecutionMode.values())
1397 +        for (Integer v1 : new Integer[] { 1, null })
1398 +        for (Integer v2 : new Integer[] { 2, null }) {
1399 +
1400 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1401 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1402 +        final FailingNoop r = new FailingNoop();
1403 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1404 +
1405 +        g.complete(v2);
1406 +        checkIncomplete(h);
1407 +        f.complete(v1);
1408 +
1409 +        checkCompletedWithWrappedCFException(h);
1410 +        checkCompletedNormally(f, v1);
1411 +        checkCompletedNormally(g, v2);
1412 +        }
1413 +    }
1414 +
1415 +    /**
1416 +     * runAfterBoth result completes exceptionally if either source cancelled
1417 +     */
1418 +    public void testRunAfterBoth_sourceCancelled1() {
1419 +        for (ExecutionMode m : ExecutionMode.values())
1420 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1421 +        for (Integer v1 : new Integer[] { 1, null }) {
1422 +
1423 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1424 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1425 +        final Noop r = new Noop();
1426 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1427 +
1428 +        assertTrue(f.cancel(mayInterruptIfRunning));
1429 +        checkIncomplete(h);
1430 +        g.complete(v1);
1431 +
1432 +        checkCompletedWithWrappedCancellationException(h);
1433 +        checkCancelled(f);
1434 +        assertFalse(r.ran);
1435 +        checkCompletedNormally(g, v1);
1436 +        }
1437 +    }
1438 +
1439 +    public void testRunAfterBoth_sourceCancelled2() {
1440 +        for (ExecutionMode m : ExecutionMode.values())
1441 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1442 +        for (Integer v1 : new Integer[] { 1, null }) {
1443 +
1444 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1445 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1446 +        final Noop r = new Noop();
1447 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1448 +
1449 +        assertTrue(g.cancel(mayInterruptIfRunning));
1450 +        checkIncomplete(h);
1451 +        f.complete(v1);
1452 +
1453 +        checkCompletedWithWrappedCancellationException(h);
1454 +        checkCancelled(g);
1455 +        assertFalse(r.ran);
1456 +        checkCompletedNormally(f, v1);
1457 +        }
1458 +    }
1459 +
1460 +    public void testRunAfterBoth_sourceCancelled3() {
1461 +        for (ExecutionMode m : ExecutionMode.values())
1462 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1463 +        for (Integer v1 : new Integer[] { 1, null }) {
1464 +
1465 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
1466 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
1467 +        final Noop r = new Noop();
1468 +
1469 +        assertTrue(g.cancel(mayInterruptIfRunning));
1470 +        f.complete(v1);
1471 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1472 +
1473 +        checkCompletedWithWrappedCancellationException(h);
1474 +        checkCancelled(g);
1475 +        assertFalse(r.ran);
1476 +        checkCompletedNormally(f, v1);
1477 +        }
1478 +    }
1479 +
1480 +    public void testRunAfterBoth_sourceCancelled4() {
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 Noop r = new Noop();
1488 +
1489 +        assertTrue(f.cancel(mayInterruptIfRunning));
1490 +        g.complete(v1);
1491 +        final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1492 +
1493 +        checkCompletedWithWrappedCancellationException(h);
1494 +        checkCancelled(f);
1495 +        assertFalse(r.ran);
1496 +        checkCompletedNormally(g, v1);
1497 +        }
1498 +    }
1499 +
1500 +    /**
1501 +     * applyToEither result completes normally after normal completion
1502 +     * of either source
1503 +     */
1504 +    public void testApplyToEither() {
1505 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1506 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1507 +        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1508 +        f.complete(one);
1509 +        checkCompletedNormally(g, two);
1510 +        f2.complete(one);
1511 +        checkCompletedNormally(g, two);
1512 +
1513 +        f = new CompletableFuture<>();
1514 +        f.complete(one);
1515 +        f2 = new CompletableFuture<>();
1516 +        g = f.applyToEither(f2, inc);
1517 +        checkCompletedNormally(g, two);
1518 +    }
1519 +
1520 +    /**
1521 +     * applyToEither result completes exceptionally after exceptional
1522 +     * completion of either source
1523 +     */
1524 +    public void testApplyToEither2() {
1525 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1526 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1527 +        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1528 +        f.completeExceptionally(new CFException());
1529 +        f2.complete(one);
1530 +        checkCompletedWithWrappedCFException(g);
1531 +
1532 +        f = new CompletableFuture<>();
1533 +        f2 = new CompletableFuture<>();
1534 +        f2.completeExceptionally(new CFException());
1535 +        g = f.applyToEither(f2, inc);
1536 +        checkCompletedWithWrappedCFException(g);
1537 +    }
1538 +
1539 +    /**
1540 +     * applyToEither result completes exceptionally if action does
1541 +     */
1542 +    public void testApplyToEither3() {
1543 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1544 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1545 +        FailingFunction r = new FailingFunction();
1546 +        CompletableFuture<Integer> g = f.applyToEither(f2, r);
1547 +        f2.complete(two);
1548 +        checkCompletedWithWrappedCFException(g);
1549 +    }
1550 +
1551 +    /**
1552 +     * applyToEither result completes exceptionally if either source cancelled
1553 +     */
1554 +    public void testApplyToEither4() {
1555 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1556 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1557 +        CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1558 +        assertTrue(f.cancel(true));
1559 +        checkCompletedWithWrappedCancellationException(g);
1560 +        f = new CompletableFuture<>();
1561 +        f2 = new CompletableFuture<>();
1562 +        assertTrue(f2.cancel(true));
1563 +        checkCompletedWithWrappedCancellationException(g);
1564 +    }
1565 +
1566 +    /**
1567 +     * acceptEither result completes normally after normal completion
1568 +     * of either source
1569 +     */
1570 +    public void testAcceptEither() {
1571 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1572 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1573 +        IncAction r = new IncAction();
1574 +        CompletableFuture<Void> g = f.acceptEither(f2, r);
1575 +        f.complete(one);
1576 +        checkCompletedNormally(g, null);
1577 +        f2.complete(one);
1578 +        checkCompletedNormally(g, null);
1579 +        assertEquals(r.value, 2);
1580 +
1581 +        r = new IncAction();
1582 +        f = new CompletableFuture<>();
1583 +        f.complete(one);
1584 +        f2 = new CompletableFuture<>();
1585 +        g = f.acceptEither(f2, r);
1586 +        checkCompletedNormally(g, null);
1587 +        assertEquals(r.value, 2);
1588 +    }
1589 +
1590 +    /**
1591 +     * acceptEither result completes exceptionally after exceptional
1592 +     * completion of either source
1593 +     */
1594 +    public void testAcceptEither2() {
1595 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1596 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1597 +        IncAction r = new IncAction();
1598 +        CompletableFuture<Void> g = f.acceptEither(f2, r);
1599 +        f.completeExceptionally(new CFException());
1600 +        f2.complete(one);
1601 +        checkCompletedWithWrappedCFException(g);
1602 +
1603 +        r = new IncAction();
1604 +        f = new CompletableFuture<>();
1605 +        f2 = new CompletableFuture<>();
1606 +        f2.completeExceptionally(new CFException());
1607 +        g = f.acceptEither(f2, r);
1608 +        checkCompletedWithWrappedCFException(g);
1609 +    }
1610 +
1611 +    /**
1612 +     * acceptEither result completes exceptionally if action does
1613 +     */
1614 +    public void testAcceptEither3() {
1615 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1616 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1617 +        FailingConsumer r = new FailingConsumer();
1618 +        CompletableFuture<Void> g = f.acceptEither(f2, r);
1619 +        f2.complete(two);
1620 +        checkCompletedWithWrappedCFException(g);
1621 +    }
1622 +
1623 +    /**
1624 +     * acceptEither result completes exceptionally if either source cancelled
1625 +     */
1626 +    public void testAcceptEither4() {
1627 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1628 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1629 +        IncAction r = new IncAction();
1630 +        CompletableFuture<Void> g = f.acceptEither(f2, r);
1631 +        assertTrue(f.cancel(true));
1632 +        checkCompletedWithWrappedCancellationException(g);
1633 +        f = new CompletableFuture<>();
1634 +        f2 = new CompletableFuture<>();
1635 +        assertTrue(f2.cancel(true));
1636 +        checkCompletedWithWrappedCancellationException(g);
1637 +    }
1638 +
1639 +    /**
1640 +     * runAfterEither result completes normally after normal completion
1641 +     * of either source
1642 +     */
1643 +    public void testRunAfterEither() {
1644 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1645 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1646 +        Noop r = new Noop();
1647 +        CompletableFuture<Void> g = f.runAfterEither(f2, r);
1648 +        f.complete(one);
1649 +        checkCompletedNormally(g, null);
1650 +        f2.complete(one);
1651 +        checkCompletedNormally(g, null);
1652 +        assertTrue(r.ran);
1653 +
1654 +        r = new Noop();
1655 +        f = new CompletableFuture<>();
1656 +        f.complete(one);
1657 +        f2 = new CompletableFuture<>();
1658 +        g = f.runAfterEither(f2, r);
1659 +        checkCompletedNormally(g, null);
1660 +        assertTrue(r.ran);
1661 +    }
1662 +
1663 +    /**
1664 +     * runAfterEither result completes exceptionally after exceptional
1665 +     * completion of either source
1666 +     */
1667 +    public void testRunAfterEither2() {
1668 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1669 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1670 +        Noop r = new Noop();
1671 +        CompletableFuture<Void> g = f.runAfterEither(f2, r);
1672 +        f.completeExceptionally(new CFException());
1673 +        f2.complete(one);
1674 +        checkCompletedWithWrappedCFException(g);
1675 +
1676 +        r = new Noop();
1677 +        f = new CompletableFuture<>();
1678 +        f2 = new CompletableFuture<>();
1679 +        f2.completeExceptionally(new CFException());
1680 +        g = f.runAfterEither(f2, r);
1681 +        checkCompletedWithWrappedCFException(g);
1682 +    }
1683 +
1684 +    /**
1685 +     * runAfterEither result completes exceptionally if action does
1686 +     */
1687 +    public void testRunAfterEither3() {
1688 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1689 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1690 +        FailingNoop r = new FailingNoop();
1691 +        CompletableFuture<Void> g = f.runAfterEither(f2, r);
1692 +        f2.complete(two);
1693 +        checkCompletedWithWrappedCFException(g);
1694 +    }
1695 +
1696 +    /**
1697 +     * runAfterEither result completes exceptionally if either source cancelled
1698 +     */
1699 +    public void testRunAfterEither4() {
1700 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1701 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
1702 +        Noop r = new Noop();
1703 +        CompletableFuture<Void> g = f.runAfterEither(f2, r);
1704 +        assertTrue(f.cancel(true));
1705 +        checkCompletedWithWrappedCancellationException(g);
1706 +        f = new CompletableFuture<>();
1707 +        f2 = new CompletableFuture<>();
1708 +        assertTrue(f2.cancel(true));
1709 +        checkCompletedWithWrappedCancellationException(g);
1710 +    }
1711 +
1712 +    /**
1713 +     * thenCompose result completes normally after normal completion of source
1714 +     */
1715 +    public void testThenCompose() {
1716 +        CompletableFuture<Integer> f, g;
1717 +        CompletableFutureInc r;
1718 +
1719 +        f = new CompletableFuture<>();
1720 +        g = f.thenCompose(r = new CompletableFutureInc());
1721 +        f.complete(one);
1722 +        checkCompletedNormally(g, two);
1723 +        assertTrue(r.ran);
1724 +
1725 +        f = new CompletableFuture<>();
1726 +        f.complete(one);
1727 +        g = f.thenCompose(r = new CompletableFutureInc());
1728 +        checkCompletedNormally(g, two);
1729 +        assertTrue(r.ran);
1730 +    }
1731 +
1732 +    /**
1733 +     * thenCompose result completes exceptionally after exceptional
1734 +     * completion of source
1735 +     */
1736 +    public void testThenCompose2() {
1737 +        CompletableFuture<Integer> f, g;
1738 +        CompletableFutureInc r;
1739 +
1740 +        f = new CompletableFuture<>();
1741 +        g = f.thenCompose(r = new CompletableFutureInc());
1742 +        f.completeExceptionally(new CFException());
1743 +        checkCompletedWithWrappedCFException(g);
1744 +
1745 +        f = new CompletableFuture<>();
1746 +        f.completeExceptionally(new CFException());
1747 +        g = f.thenCompose(r = new CompletableFutureInc());
1748 +        checkCompletedWithWrappedCFException(g);
1749 +    }
1750 +
1751 +    /**
1752 +     * thenCompose result completes exceptionally if action does
1753 +     */
1754 +    public void testThenCompose3() {
1755 +        CompletableFuture<Integer> f, g;
1756 +        FailingCompletableFutureFunction r;
1757 +
1758 +        f = new CompletableFuture<>();
1759 +        g = f.thenCompose(r = new FailingCompletableFutureFunction());
1760 +        f.complete(one);
1761 +        checkCompletedWithWrappedCFException(g);
1762 +
1763 +        f = new CompletableFuture<>();
1764 +        f.complete(one);
1765 +        g = f.thenCompose(r = new FailingCompletableFutureFunction());
1766 +        checkCompletedWithWrappedCFException(g);
1767 +    }
1768 +
1769 +    /**
1770 +     * thenCompose result completes exceptionally if source cancelled
1771 +     */
1772 +    public void testThenCompose4() {
1773 +        CompletableFuture<Integer> f, g;
1774 +        CompletableFutureInc r;
1775 +
1776 +        f = new CompletableFuture<>();
1777 +        g = f.thenCompose(r = new CompletableFutureInc());
1778 +        assertTrue(f.cancel(true));
1779 +        checkCompletedWithWrappedCancellationException(g);
1780 +
1781 +        f = new CompletableFuture<>();
1782 +        assertTrue(f.cancel(true));
1783 +        g = f.thenCompose(r = new CompletableFutureInc());
1784 +        checkCompletedWithWrappedCancellationException(g);
1785 +    }
1786 +
1787 +    // asyncs
1788 +
1789 +    /**
1790 +     * thenRunAsync result completes normally after normal completion of source
1791 +     */
1792 +    public void testThenRunAsync() {
1793 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1794 +        Noop r = new Noop();
1795 +        CompletableFuture<Void> g = f.thenRunAsync(r);
1796 +        f.complete(null);
1797 +        checkCompletedNormally(g, null);
1798 +
1799 +        // reordered version
1800 +        f = new CompletableFuture<>();
1801 +        f.complete(null);
1802 +        r = new Noop();
1803 +        g = f.thenRunAsync(r);
1804 +        checkCompletedNormally(g, null);
1805 +    }
1806 +
1807 +    /**
1808 +     * thenRunAsync result completes exceptionally after exceptional
1809 +     * completion of source
1810 +     */
1811 +    public void testThenRunAsync2() {
1812 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1813 +        Noop r = new Noop();
1814 +        CompletableFuture<Void> g = f.thenRunAsync(r);
1815 +        f.completeExceptionally(new CFException());
1816 +        try {
1817 +            g.join();
1818 +            shouldThrow();
1819 +        } catch (CompletionException success) {}
1820 +        checkCompletedWithWrappedCFException(g);
1821 +    }
1822 +
1823 +    /**
1824 +     * thenRunAsync result completes exceptionally if action does
1825 +     */
1826 +    public void testThenRunAsync3() {
1827 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1828 +        FailingNoop r = new FailingNoop();
1829 +        CompletableFuture<Void> g = f.thenRunAsync(r);
1830 +        f.complete(null);
1831 +        checkCompletedWithWrappedCFException(g);
1832 +    }
1833 +
1834 +    /**
1835 +     * thenRunAsync result completes exceptionally if source cancelled
1836 +     */
1837 +    public void testThenRunAsync4() {
1838 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1839 +        Noop r = new Noop();
1840 +        CompletableFuture<Void> g = f.thenRunAsync(r);
1841 +        assertTrue(f.cancel(true));
1842 +        checkCompletedWithWrappedCancellationException(g);
1843 +    }
1844 +
1845 +    /**
1846 +     * thenApplyAsync result completes normally after normal completion of source
1847 +     */
1848 +    public void testThenApplyAsync() {
1849 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1850 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1851 +        f.complete(one);
1852 +        checkCompletedNormally(g, two);
1853 +    }
1854 +
1855 +    /**
1856 +     * thenApplyAsync result completes exceptionally after exceptional
1857 +     * completion of source
1858 +     */
1859 +    public void testThenApplyAsync2() {
1860 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1861 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1862 +        f.completeExceptionally(new CFException());
1863 +        checkCompletedWithWrappedCFException(g);
1864 +    }
1865 +
1866 +    /**
1867 +     * thenApplyAsync result completes exceptionally if action does
1868 +     */
1869 +    public void testThenApplyAsync3() {
1870 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1871 +        FailingFunction r = new FailingFunction();
1872 +        CompletableFuture<Integer> g = f.thenApplyAsync(r);
1873 +        f.complete(null);
1874 +        checkCompletedWithWrappedCFException(g);
1875 +    }
1876 +
1877 +    /**
1878 +     * thenApplyAsync result completes exceptionally if source cancelled
1879 +     */
1880 +    public void testThenApplyAsync4() {
1881 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1882 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1883 +        assertTrue(f.cancel(true));
1884 +        checkCompletedWithWrappedCancellationException(g);
1885 +    }
1886 +
1887 +    /**
1888 +     * thenAcceptAsync result completes normally after normal
1889 +     * completion of source
1890 +     */
1891 +    public void testThenAcceptAsync() {
1892 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1893 +        IncAction r = new IncAction();
1894 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1895 +        f.complete(one);
1896 +        checkCompletedNormally(g, null);
1897 +        assertEquals(r.value, 2);
1898 +    }
1899 +
1900 +    /**
1901 +     * thenAcceptAsync result completes exceptionally after exceptional
1902 +     * completion of source
1903 +     */
1904 +    public void testThenAcceptAsync2() {
1905 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1906 +        IncAction r = new IncAction();
1907 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1908 +        f.completeExceptionally(new CFException());
1909 +        checkCompletedWithWrappedCFException(g);
1910 +    }
1911 +
1912 +    /**
1913 +     * thenAcceptAsync result completes exceptionally if action does
1914 +     */
1915 +    public void testThenAcceptAsync3() {
1916 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1917 +        FailingConsumer r = new FailingConsumer();
1918 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1919 +        f.complete(null);
1920 +        checkCompletedWithWrappedCFException(g);
1921 +    }
1922 +
1923 +    /**
1924 +     * thenAcceptAsync result completes exceptionally if source cancelled
1925 +     */
1926 +    public void testThenAcceptAsync4() {
1927 +        CompletableFuture<Integer> f = new CompletableFuture<>();
1928 +        IncAction r = new IncAction();
1929 +        CompletableFuture<Void> g = f.thenAcceptAsync(r);
1930 +        assertTrue(f.cancel(true));
1931 +        checkCompletedWithWrappedCancellationException(g);
1932 +    }
1933 +
1934 +    /**
1935 +     * thenCombineAsync result completes normally after normal
1936 +     * completion of sources
1937 +     */
1938 +    public void testThenCombineAsync() {
1939 +        CompletableFuture<Integer> f, g, h;
1940 +
1941 +        f = new CompletableFuture<>();
1942 +        g = new CompletableFuture<>();
1943 +        h = f.thenCombineAsync(g, subtract);
1944 +        f.complete(3);
1945 +        checkIncomplete(h);
1946 +        g.complete(1);
1947 +        checkCompletedNormally(h, 2);
1948 +
1949 +        f = new CompletableFuture<>();
1950 +        g = new CompletableFuture<>();
1951 +        h = f.thenCombineAsync(g, subtract);
1952 +        g.complete(1);
1953 +        checkIncomplete(h);
1954 +        f.complete(3);
1955 +        checkCompletedNormally(h, 2);
1956 +
1957 +        f = new CompletableFuture<>();
1958 +        g = new CompletableFuture<>();
1959 +        g.complete(1);
1960 +        f.complete(3);
1961 +        h = f.thenCombineAsync(g, subtract);
1962 +        checkCompletedNormally(h, 2);
1963 +    }
1964 +
1965 +    /**
1966 +     * thenCombineAsync result completes exceptionally after exceptional
1967 +     * completion of either source
1968 +     */
1969 +    public void testThenCombineAsync2() {
1970 +        CompletableFuture<Integer> f, g, h;
1971 +
1972 +        f = new CompletableFuture<>();
1973 +        g = new CompletableFuture<>();
1974 +        h = f.thenCombineAsync(g, subtract);
1975 +        f.completeExceptionally(new CFException());
1976 +        checkIncomplete(h);
1977 +        g.complete(1);
1978 +        checkCompletedWithWrappedCFException(h);
1979 +
1980 +        f = new CompletableFuture<>();
1981 +        g = new CompletableFuture<>();
1982 +        h = f.thenCombineAsync(g, subtract);
1983 +        g.completeExceptionally(new CFException());
1984 +        checkIncomplete(h);
1985 +        f.complete(3);
1986 +        checkCompletedWithWrappedCFException(h);
1987 +
1988 +        f = new CompletableFuture<>();
1989 +        g = new CompletableFuture<>();
1990 +        g.completeExceptionally(new CFException());
1991 +        f.complete(3);
1992 +        h = f.thenCombineAsync(g, subtract);
1993 +        checkCompletedWithWrappedCFException(h);
1994 +    }
1995 +
1996 +    /**
1997 +     * thenCombineAsync result completes exceptionally if action does
1998 +     */
1999 +    public void testThenCombineAsync3() {
2000 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2001 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2002 +        FailingBiFunction r = new FailingBiFunction();
2003 +        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
2004 +        f.complete(one);
2005 +        checkIncomplete(g);
2006 +        assertFalse(r.ran);
2007 +        f2.complete(two);
2008 +        checkCompletedWithWrappedCFException(g);
2009 +        assertTrue(r.ran);
2010 +    }
2011 +
2012 +    /**
2013 +     * thenCombineAsync result completes exceptionally if either source cancelled
2014 +     */
2015 +    public void testThenCombineAsync4() {
2016 +        CompletableFuture<Integer> f, g, h;
2017 +
2018 +        f = new CompletableFuture<>();
2019 +        g = new CompletableFuture<>();
2020 +        h = f.thenCombineAsync(g, subtract);
2021 +        assertTrue(f.cancel(true));
2022 +        checkIncomplete(h);
2023 +        g.complete(1);
2024 +        checkCompletedWithWrappedCancellationException(h);
2025 +
2026 +        f = new CompletableFuture<>();
2027 +        g = new CompletableFuture<>();
2028 +        h = f.thenCombineAsync(g, subtract);
2029 +        assertTrue(g.cancel(true));
2030 +        checkIncomplete(h);
2031 +        f.complete(3);
2032 +        checkCompletedWithWrappedCancellationException(h);
2033 +
2034 +        f = new CompletableFuture<>();
2035 +        g = new CompletableFuture<>();
2036 +        g.complete(3);
2037 +        assertTrue(f.cancel(true));
2038 +        h = f.thenCombineAsync(g, subtract);
2039 +        checkCompletedWithWrappedCancellationException(h);
2040 +
2041 +        f = new CompletableFuture<>();
2042 +        g = new CompletableFuture<>();
2043 +        f.complete(3);
2044 +        assertTrue(g.cancel(true));
2045 +        h = f.thenCombineAsync(g, subtract);
2046 +        checkCompletedWithWrappedCancellationException(h);
2047 +    }
2048 +
2049 +    /**
2050 +     * applyToEitherAsync result completes normally after normal
2051 +     * completion of sources
2052 +     */
2053 +    public void testApplyToEitherAsync() {
2054 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2055 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2056 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2057 +        f.complete(one);
2058 +        checkCompletedNormally(g, two);
2059 +
2060 +        f = new CompletableFuture<>();
2061 +        f.complete(one);
2062 +        f2 = new CompletableFuture<>();
2063 +        g = f.applyToEitherAsync(f2, inc);
2064 +        checkCompletedNormally(g, two);
2065 +    }
2066 +
2067 +    /**
2068 +     * applyToEitherAsync result completes exceptionally after exceptional
2069 +     * completion of source
2070 +     */
2071 +    public void testApplyToEitherAsync2() {
2072 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2073 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2074 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2075 +        f.completeExceptionally(new CFException());
2076 +        checkCompletedWithWrappedCFException(g);
2077 +
2078 +        f = new CompletableFuture<>();
2079 +        f2 = new CompletableFuture<>();
2080 +        f2.completeExceptionally(new CFException());
2081 +        g = f.applyToEitherAsync(f2, inc);
2082 +        f.complete(one);
2083 +        checkCompletedWithWrappedCFException(g);
2084 +    }
2085 +
2086 +    /**
2087 +     * applyToEitherAsync result completes exceptionally if action does
2088 +     */
2089 +    public void testApplyToEitherAsync3() {
2090 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2091 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2092 +        FailingFunction r = new FailingFunction();
2093 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
2094 +        f.complete(one);
2095 +        checkCompletedWithWrappedCFException(g);
2096 +    }
2097 +
2098 +    /**
2099 +     * applyToEitherAsync result completes exceptionally if either source cancelled
2100 +     */
2101 +    public void testApplyToEitherAsync4() {
2102 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2103 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2104 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2105 +        assertTrue(f.cancel(true));
2106 +        checkCompletedWithWrappedCancellationException(g);
2107 +
2108 +        f = new CompletableFuture<>();
2109 +        f2 = new CompletableFuture<>();
2110 +        assertTrue(f2.cancel(true));
2111 +        g = f.applyToEitherAsync(f2, inc);
2112 +        checkCompletedWithWrappedCancellationException(g);
2113 +    }
2114 +
2115 +    /**
2116 +     * acceptEitherAsync result completes normally after normal
2117 +     * completion of sources
2118 +     */
2119 +    public void testAcceptEitherAsync() {
2120 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2121 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2122 +        IncAction r = new IncAction();
2123 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2124 +        f.complete(one);
2125 +        checkCompletedNormally(g, null);
2126 +        assertEquals(r.value, 2);
2127 +
2128 +        r = new IncAction();
2129 +        f = new CompletableFuture<>();
2130 +        f.complete(one);
2131 +        f2 = new CompletableFuture<>();
2132 +        g = f.acceptEitherAsync(f2, r);
2133 +        checkCompletedNormally(g, null);
2134 +        assertEquals(r.value, 2);
2135 +    }
2136 +
2137 +    /**
2138 +     * acceptEitherAsync result completes exceptionally after exceptional
2139 +     * completion of source
2140 +     */
2141 +    public void testAcceptEitherAsync2() {
2142 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2143 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2144 +        IncAction r = new IncAction();
2145 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2146 +        f.completeExceptionally(new CFException());
2147 +        checkCompletedWithWrappedCFException(g);
2148 +
2149 +        r = new IncAction();
2150 +        f = new CompletableFuture<>();
2151 +        f2 = new CompletableFuture<>();
2152 +        f2.completeExceptionally(new CFException());
2153 +        g = f.acceptEitherAsync(f2, r);
2154 +        f.complete(one);
2155 +        checkCompletedWithWrappedCFException(g);
2156 +    }
2157 +
2158 +    /**
2159 +     * acceptEitherAsync result completes exceptionally if action does
2160 +     */
2161 +    public void testAcceptEitherAsync3() {
2162 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2163 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2164 +        FailingConsumer r = new FailingConsumer();
2165 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2166 +        f.complete(one);
2167 +        checkCompletedWithWrappedCFException(g);
2168 +    }
2169 +
2170 +    /**
2171 +     * acceptEitherAsync result completes exceptionally if either
2172 +     * source cancelled
2173 +     */
2174 +    public void testAcceptEitherAsync4() {
2175 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2176 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2177 +        IncAction r = new IncAction();
2178 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2179 +        assertTrue(f.cancel(true));
2180 +        checkCompletedWithWrappedCancellationException(g);
2181 +
2182 +        r = new IncAction();
2183 +        f = new CompletableFuture<>();
2184 +        f2 = new CompletableFuture<>();
2185 +        assertTrue(f2.cancel(true));
2186 +        g = f.acceptEitherAsync(f2, r);
2187 +        checkCompletedWithWrappedCancellationException(g);
2188 +    }
2189 +
2190 +    /**
2191 +     * runAfterEitherAsync result completes normally after normal
2192 +     * completion of sources
2193 +     */
2194 +    public void testRunAfterEitherAsync() {
2195 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2196 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2197 +        Noop r = new Noop();
2198 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2199 +        f.complete(one);
2200 +        checkCompletedNormally(g, null);
2201 +        assertTrue(r.ran);
2202 +
2203 +        r = new Noop();
2204 +        f = new CompletableFuture<>();
2205 +        f.complete(one);
2206 +        f2 = new CompletableFuture<>();
2207 +        g = f.runAfterEitherAsync(f2, r);
2208 +        checkCompletedNormally(g, null);
2209 +        assertTrue(r.ran);
2210 +    }
2211 +
2212 +    /**
2213 +     * runAfterEitherAsync result completes exceptionally after exceptional
2214 +     * completion of source
2215 +     */
2216 +    public void testRunAfterEitherAsync2() {
2217 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2218 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2219 +        Noop r = new Noop();
2220 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2221 +        f.completeExceptionally(new CFException());
2222 +        checkCompletedWithWrappedCFException(g);
2223 +
2224 +        r = new Noop();
2225 +        f = new CompletableFuture<>();
2226 +        f2 = new CompletableFuture<>();
2227 +        f2.completeExceptionally(new CFException());
2228 +        g = f.runAfterEitherAsync(f2, r);
2229 +        f.complete(one);
2230 +        checkCompletedWithWrappedCFException(g);
2231 +    }
2232 +
2233 +    /**
2234 +     * runAfterEitherAsync result completes exceptionally if action does
2235 +     */
2236 +    public void testRunAfterEitherAsync3() {
2237 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2238 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2239 +        FailingNoop r = new FailingNoop();
2240 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2241 +        f.complete(one);
2242 +        checkCompletedWithWrappedCFException(g);
2243 +    }
2244 +
2245 +    /**
2246 +     * runAfterEitherAsync result completes exceptionally if either
2247 +     * source cancelled
2248 +     */
2249 +    public void testRunAfterEitherAsync4() {
2250 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2251 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2252 +        Noop r = new Noop();
2253 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2254 +        assertTrue(f.cancel(true));
2255 +        checkCompletedWithWrappedCancellationException(g);
2256 +
2257 +        r = new Noop();
2258 +        f = new CompletableFuture<>();
2259 +        f2 = new CompletableFuture<>();
2260 +        assertTrue(f2.cancel(true));
2261 +        g = f.runAfterEitherAsync(f2, r);
2262 +        checkCompletedWithWrappedCancellationException(g);
2263 +    }
2264 +
2265 +    /**
2266 +     * thenComposeAsync result completes normally after normal
2267 +     * completion of source
2268 +     */
2269 +    public void testThenComposeAsync() {
2270 +        CompletableFuture<Integer> f, g;
2271 +        CompletableFutureInc r;
2272 +
2273 +        f = new CompletableFuture<>();
2274 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2275 +        f.complete(one);
2276 +        checkCompletedNormally(g, two);
2277 +
2278 +        f = new CompletableFuture<>();
2279 +        f.complete(one);
2280 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2281 +        checkCompletedNormally(g, two);
2282 +    }
2283 +
2284 +    /**
2285 +     * thenComposeAsync result completes exceptionally after
2286 +     * exceptional completion of source
2287 +     */
2288 +    public void testThenComposeAsync2() {
2289 +        CompletableFuture<Integer> f, g;
2290 +        CompletableFutureInc r;
2291 +
2292 +        f = new CompletableFuture<>();
2293 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2294 +        f.completeExceptionally(new CFException());
2295 +        checkCompletedWithWrappedCFException(g);
2296 +        assertFalse(r.ran);
2297 +
2298 +        f = new CompletableFuture<>();
2299 +        f.completeExceptionally(new CFException());
2300 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2301 +        checkCompletedWithWrappedCFException(g);
2302 +        assertFalse(r.ran);
2303 +    }
2304 +
2305 +    /**
2306 +     * thenComposeAsync result completes exceptionally if action does
2307 +     */
2308 +    public void testThenComposeAsync3() {
2309 +        CompletableFuture<Integer> f, g;
2310 +        FailingCompletableFutureFunction r;
2311 +
2312 +        f = new CompletableFuture<>();
2313 +        g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2314 +        f.complete(one);
2315 +        checkCompletedWithWrappedCFException(g);
2316 +
2317 +        f = new CompletableFuture<>();
2318 +        f.complete(one);
2319 +        g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2320 +        checkCompletedWithWrappedCFException(g);
2321 +    }
2322 +
2323 +    /**
2324 +     * thenComposeAsync result completes exceptionally if source cancelled
2325 +     */
2326 +    public void testThenComposeAsync4() {
2327 +        CompletableFuture<Integer> f, g;
2328 +        CompletableFutureInc r;
2329 +
2330 +        f = new CompletableFuture<>();
2331 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2332 +        assertTrue(f.cancel(true));
2333 +        checkCompletedWithWrappedCancellationException(g);
2334 +
2335 +        f = new CompletableFuture<>();
2336 +        assertTrue(f.cancel(true));
2337 +        g = f.thenComposeAsync(r = new CompletableFutureInc());
2338 +        checkCompletedWithWrappedCancellationException(g);
2339 +    }
2340 +
2341 +    // async with explicit executors
2342 +
2343 +    /**
2344 +     * thenRunAsync result completes normally after normal completion of source
2345 +     */
2346 +    public void testThenRunAsyncE() {
2347 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2348 +        Noop r = new Noop();
2349 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2350 +        f.complete(null);
2351 +        checkCompletedNormally(g, null);
2352 +
2353 +        // reordered version
2354 +        f = new CompletableFuture<>();
2355 +        f.complete(null);
2356 +        r = new Noop();
2357 +        g = f.thenRunAsync(r, new ThreadExecutor());
2358 +        checkCompletedNormally(g, null);
2359 +    }
2360 +
2361 +    /**
2362 +     * thenRunAsync result completes exceptionally after exceptional
2363 +     * completion of source
2364 +     */
2365 +    public void testThenRunAsync2E() {
2366 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2367 +        Noop r = new Noop();
2368 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2369 +        f.completeExceptionally(new CFException());
2370 +        try {
2371 +            g.join();
2372 +            shouldThrow();
2373 +        } catch (CompletionException success) {}
2374 +        checkCompletedWithWrappedCFException(g);
2375 +    }
2376 +
2377 +    /**
2378 +     * thenRunAsync result completes exceptionally if action does
2379 +     */
2380 +    public void testThenRunAsync3E() {
2381 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2382 +        FailingNoop r = new FailingNoop();
2383 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2384 +        f.complete(null);
2385 +        checkCompletedWithWrappedCFException(g);
2386 +    }
2387 +
2388 +    /**
2389 +     * thenRunAsync result completes exceptionally if source cancelled
2390 +     */
2391 +    public void testThenRunAsync4E() {
2392 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2393 +        Noop r = new Noop();
2394 +        CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2395 +        assertTrue(f.cancel(true));
2396 +        checkCompletedWithWrappedCancellationException(g);
2397 +    }
2398 +
2399 +    /**
2400 +     * thenApplyAsync result completes normally after normal completion of source
2401 +     */
2402 +    public void testThenApplyAsyncE() {
2403 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2404 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2405 +        f.complete(one);
2406 +        checkCompletedNormally(g, two);
2407 +    }
2408 +
2409 +    /**
2410 +     * thenApplyAsync result completes exceptionally after exceptional
2411 +     * completion of source
2412 +     */
2413 +    public void testThenApplyAsync2E() {
2414 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2415 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2416 +        f.completeExceptionally(new CFException());
2417 +        checkCompletedWithWrappedCFException(g);
2418 +    }
2419 +
2420 +    /**
2421 +     * thenApplyAsync result completes exceptionally if action does
2422 +     */
2423 +    public void testThenApplyAsync3E() {
2424 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2425 +        FailingFunction r = new FailingFunction();
2426 +        CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2427 +        f.complete(null);
2428 +        checkCompletedWithWrappedCFException(g);
2429 +    }
2430 +
2431 +    /**
2432 +     * thenApplyAsync result completes exceptionally if source cancelled
2433 +     */
2434 +    public void testThenApplyAsync4E() {
2435 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2436 +        CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2437 +        assertTrue(f.cancel(true));
2438 +        checkCompletedWithWrappedCancellationException(g);
2439 +    }
2440 +
2441 +    /**
2442 +     * thenAcceptAsync result completes normally after normal
2443 +     * completion of source
2444 +     */
2445 +    public void testThenAcceptAsyncE() {
2446 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2447 +        IncAction r = new IncAction();
2448 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2449 +        f.complete(one);
2450 +        checkCompletedNormally(g, null);
2451 +        assertEquals(r.value, 2);
2452 +    }
2453 +
2454 +    /**
2455 +     * thenAcceptAsync result completes exceptionally after exceptional
2456 +     * completion of source
2457 +     */
2458 +    public void testThenAcceptAsync2E() {
2459 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2460 +        IncAction r = new IncAction();
2461 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2462 +        f.completeExceptionally(new CFException());
2463 +        checkCompletedWithWrappedCFException(g);
2464 +    }
2465 +
2466 +    /**
2467 +     * thenAcceptAsync result completes exceptionally if action does
2468 +     */
2469 +    public void testThenAcceptAsync3E() {
2470 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2471 +        FailingConsumer r = new FailingConsumer();
2472 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2473 +        f.complete(null);
2474 +        checkCompletedWithWrappedCFException(g);
2475 +    }
2476 +
2477 +    /**
2478 +     * thenAcceptAsync result completes exceptionally if source cancelled
2479 +     */
2480 +    public void testThenAcceptAsync4E() {
2481 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2482 +        IncAction r = new IncAction();
2483 +        CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2484 +        assertTrue(f.cancel(true));
2485 +        checkCompletedWithWrappedCancellationException(g);
2486 +    }
2487 +
2488 +    /**
2489 +     * thenCombineAsync result completes normally after normal
2490 +     * completion of sources
2491 +     */
2492 +    public void testThenCombineAsyncE() {
2493 +        CompletableFuture<Integer> f, g, h;
2494 +        ThreadExecutor e = new ThreadExecutor();
2495 +        int count = 0;
2496 +
2497 +        f = new CompletableFuture<>();
2498 +        g = new CompletableFuture<>();
2499 +        h = f.thenCombineAsync(g, subtract, e);
2500 +        f.complete(3);
2501 +        checkIncomplete(h);
2502 +        g.complete(1);
2503 +        checkCompletedNormally(h, 2);
2504 +        assertEquals(++count, e.count.get());
2505 +
2506 +        f = new CompletableFuture<>();
2507 +        g = new CompletableFuture<>();
2508 +        h = f.thenCombineAsync(g, subtract, e);
2509 +        g.complete(1);
2510 +        checkIncomplete(h);
2511 +        f.complete(3);
2512 +        checkCompletedNormally(h, 2);
2513 +        assertEquals(++count, e.count.get());
2514 +
2515 +        f = new CompletableFuture<>();
2516 +        g = new CompletableFuture<>();
2517 +        g.complete(1);
2518 +        f.complete(3);
2519 +        h = f.thenCombineAsync(g, subtract, e);
2520 +        checkCompletedNormally(h, 2);
2521 +        assertEquals(++count, e.count.get());
2522 +    }
2523 +
2524 +    /**
2525 +     * thenCombineAsync result completes exceptionally after exceptional
2526 +     * completion of either source
2527 +     */
2528 +    public void testThenCombineAsync2E() {
2529 +        CompletableFuture<Integer> f, g, h;
2530 +        ThreadExecutor e = new ThreadExecutor();
2531 +        int count = 0;
2532 +
2533 +        f = new CompletableFuture<>();
2534 +        g = new CompletableFuture<>();
2535 +        h = f.thenCombineAsync(g, subtract, e);
2536 +        f.completeExceptionally(new CFException());
2537 +        checkIncomplete(h);
2538 +        g.complete(1);
2539 +        checkCompletedWithWrappedCFException(h);
2540 +
2541 +        f = new CompletableFuture<>();
2542 +        g = new CompletableFuture<>();
2543 +        h = f.thenCombineAsync(g, subtract, e);
2544 +        g.completeExceptionally(new CFException());
2545 +        checkIncomplete(h);
2546 +        f.complete(3);
2547 +        checkCompletedWithWrappedCFException(h);
2548 +
2549 +        f = new CompletableFuture<>();
2550 +        g = new CompletableFuture<>();
2551 +        g.completeExceptionally(new CFException());
2552 +        h = f.thenCombineAsync(g, subtract, e);
2553 +        checkIncomplete(h);
2554 +        f.complete(3);
2555 +        checkCompletedWithWrappedCFException(h);
2556 +
2557 +        assertEquals(0, e.count.get());
2558 +    }
2559 +
2560 +    /**
2561 +     * thenCombineAsync result completes exceptionally if action does
2562 +     */
2563 +    public void testThenCombineAsync3E() {
2564 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2565 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2566 +        FailingBiFunction r = new FailingBiFunction();
2567 +        CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2568 +        f.complete(one);
2569 +        checkIncomplete(g);
2570 +        assertFalse(r.ran);
2571 +        f2.complete(two);
2572 +        checkCompletedWithWrappedCFException(g);
2573 +        assertTrue(r.ran);
2574 +    }
2575 +
2576 +    /**
2577 +     * thenCombineAsync result completes exceptionally if either source cancelled
2578 +     */
2579 +    public void testThenCombineAsync4E() {
2580 +        CompletableFuture<Integer> f, g, h;
2581 +        ThreadExecutor e = new ThreadExecutor();
2582 +
2583 +        f = new CompletableFuture<>();
2584 +        g = new CompletableFuture<>();
2585 +        h = f.thenCombineAsync(g, subtract, e);
2586 +        assertTrue(f.cancel(true));
2587 +        checkIncomplete(h);
2588 +        g.complete(1);
2589 +        checkCompletedWithWrappedCancellationException(h);
2590 +
2591 +        f = new CompletableFuture<>();
2592 +        g = new CompletableFuture<>();
2593 +        h = f.thenCombineAsync(g, subtract, e);
2594 +        assertTrue(g.cancel(true));
2595 +        checkIncomplete(h);
2596 +        f.complete(3);
2597 +        checkCompletedWithWrappedCancellationException(h);
2598 +
2599 +        f = new CompletableFuture<>();
2600 +        g = new CompletableFuture<>();
2601 +        assertTrue(g.cancel(true));
2602 +        h = f.thenCombineAsync(g, subtract, e);
2603 +        checkIncomplete(h);
2604 +        f.complete(3);
2605 +        checkCompletedWithWrappedCancellationException(h);
2606 +
2607 +        f = new CompletableFuture<>();
2608 +        g = new CompletableFuture<>();
2609 +        assertTrue(f.cancel(true));
2610 +        assertTrue(g.cancel(true));
2611 +        h = f.thenCombineAsync(g, subtract, e);
2612 +        checkCompletedWithWrappedCancellationException(h);
2613 +
2614 +        assertEquals(0, e.count.get());
2615 +    }
2616 +
2617 +    /**
2618 +     * applyToEitherAsync result completes normally after normal
2619 +     * completion of sources
2620 +     */
2621 +    public void testApplyToEitherAsyncE() {
2622 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2623 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2624 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2625 +        f.complete(one);
2626 +        checkCompletedNormally(g, two);
2627 +
2628 +        f = new CompletableFuture<>();
2629 +        f.complete(one);
2630 +        f2 = new CompletableFuture<>();
2631 +        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2632 +        checkCompletedNormally(g, two);
2633 +    }
2634 +
2635 +    /**
2636 +     * applyToEitherAsync result completes exceptionally after exceptional
2637 +     * completion of source
2638 +     */
2639 +    public void testApplyToEitherAsync2E() {
2640 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2641 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2642 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2643 +        f.completeExceptionally(new CFException());
2644 +        checkCompletedWithWrappedCFException(g);
2645 +
2646 +        f = new CompletableFuture<>();
2647 +        f2 = new CompletableFuture<>();
2648 +        f2.completeExceptionally(new CFException());
2649 +        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2650 +        f.complete(one);
2651 +        checkCompletedWithWrappedCFException(g);
2652 +    }
2653 +
2654 +    /**
2655 +     * applyToEitherAsync result completes exceptionally if action does
2656 +     */
2657 +    public void testApplyToEitherAsync3E() {
2658 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2659 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2660 +        FailingFunction r = new FailingFunction();
2661 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2662 +        f.complete(one);
2663 +        checkCompletedWithWrappedCFException(g);
2664 +    }
2665 +
2666 +    /**
2667 +     * applyToEitherAsync result completes exceptionally if either source cancelled
2668 +     */
2669 +    public void testApplyToEitherAsync4E() {
2670 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2671 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2672 +        CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2673 +        assertTrue(f.cancel(true));
2674 +        checkCompletedWithWrappedCancellationException(g);
2675 +
2676 +        f = new CompletableFuture<>();
2677 +        f2 = new CompletableFuture<>();
2678 +        assertTrue(f2.cancel(true));
2679 +        g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2680 +        checkCompletedWithWrappedCancellationException(g);
2681 +    }
2682 +
2683 +    /**
2684 +     * acceptEitherAsync result completes normally after normal
2685 +     * completion of sources
2686 +     */
2687 +    public void testAcceptEitherAsyncE() {
2688 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2689 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2690 +        IncAction r = new IncAction();
2691 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2692 +        f.complete(one);
2693 +        checkCompletedNormally(g, null);
2694 +        assertEquals(r.value, 2);
2695 +
2696 +        r = new IncAction();
2697 +        f = new CompletableFuture<>();
2698 +        f.complete(one);
2699 +        f2 = new CompletableFuture<>();
2700 +        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2701 +        checkCompletedNormally(g, null);
2702 +        assertEquals(r.value, 2);
2703 +    }
2704 +
2705 +    /**
2706 +     * acceptEitherAsync result completes exceptionally after exceptional
2707 +     * completion of source
2708 +     */
2709 +    public void testAcceptEitherAsync2E() {
2710 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2711 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2712 +        IncAction r = new IncAction();
2713 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2714 +        f.completeExceptionally(new CFException());
2715 +        checkCompletedWithWrappedCFException(g);
2716 +
2717 +        r = new IncAction();
2718 +        f = new CompletableFuture<>();
2719 +        f2 = new CompletableFuture<>();
2720 +        f2.completeExceptionally(new CFException());
2721 +        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2722 +        f.complete(one);
2723 +        checkCompletedWithWrappedCFException(g);
2724 +    }
2725 +
2726 +    /**
2727 +     * acceptEitherAsync result completes exceptionally if action does
2728 +     */
2729 +    public void testAcceptEitherAsync3E() {
2730 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2731 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2732 +        FailingConsumer r = new FailingConsumer();
2733 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2734 +        f.complete(one);
2735 +        checkCompletedWithWrappedCFException(g);
2736 +    }
2737 +
2738 +    /**
2739 +     * acceptEitherAsync result completes exceptionally if either
2740 +     * source cancelled
2741 +     */
2742 +    public void testAcceptEitherAsync4E() {
2743 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2744 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2745 +        IncAction r = new IncAction();
2746 +        CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2747 +        assertTrue(f.cancel(true));
2748 +        checkCompletedWithWrappedCancellationException(g);
2749 +
2750 +        r = new IncAction();
2751 +        f = new CompletableFuture<>();
2752 +        f2 = new CompletableFuture<>();
2753 +        assertTrue(f2.cancel(true));
2754 +        g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2755 +        checkCompletedWithWrappedCancellationException(g);
2756 +    }
2757 +
2758 +    /**
2759 +     * runAfterEitherAsync result completes normally after normal
2760 +     * completion of sources
2761 +     */
2762 +    public void testRunAfterEitherAsyncE() {
2763 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2764 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2765 +        Noop r = new Noop();
2766 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2767 +        f.complete(one);
2768 +        checkCompletedNormally(g, null);
2769 +        assertTrue(r.ran);
2770 +
2771 +        r = new Noop();
2772 +        f = new CompletableFuture<>();
2773 +        f.complete(one);
2774 +        f2 = new CompletableFuture<>();
2775 +        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2776 +        checkCompletedNormally(g, null);
2777 +        assertTrue(r.ran);
2778 +    }
2779 +
2780 +    /**
2781 +     * runAfterEitherAsync result completes exceptionally after exceptional
2782 +     * completion of source
2783 +     */
2784 +    public void testRunAfterEitherAsync2E() {
2785 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2786 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2787 +        Noop r = new Noop();
2788 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2789 +        f.completeExceptionally(new CFException());
2790 +        checkCompletedWithWrappedCFException(g);
2791 +
2792 +        r = new Noop();
2793 +        f = new CompletableFuture<>();
2794 +        f2 = new CompletableFuture<>();
2795 +        f2.completeExceptionally(new CFException());
2796 +        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2797 +        f.complete(one);
2798 +        checkCompletedWithWrappedCFException(g);
2799 +    }
2800 +
2801 +    /**
2802 +     * runAfterEitherAsync result completes exceptionally if action does
2803 +     */
2804 +    public void testRunAfterEitherAsync3E() {
2805 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2806 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2807 +        FailingNoop r = new FailingNoop();
2808 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2809 +        f.complete(one);
2810 +        checkCompletedWithWrappedCFException(g);
2811 +    }
2812 +
2813 +    /**
2814 +     * runAfterEitherAsync result completes exceptionally if either
2815 +     * source cancelled
2816 +     */
2817 +    public void testRunAfterEitherAsync4E() {
2818 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2819 +        CompletableFuture<Integer> f2 = new CompletableFuture<>();
2820 +        Noop r = new Noop();
2821 +        CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2822 +        assertTrue(f.cancel(true));
2823 +        checkCompletedWithWrappedCancellationException(g);
2824 +
2825 +        r = new Noop();
2826 +        f = new CompletableFuture<>();
2827 +        f2 = new CompletableFuture<>();
2828 +        assertTrue(f2.cancel(true));
2829 +        g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2830 +        checkCompletedWithWrappedCancellationException(g);
2831 +    }
2832 +
2833 +    /**
2834 +     * thenComposeAsync result completes normally after normal
2835 +     * completion of source
2836 +     */
2837 +    public void testThenComposeAsyncE() {
2838 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2839 +        CompletableFutureInc r = new CompletableFutureInc();
2840 +        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2841 +        f.complete(one);
2842 +        checkCompletedNormally(g, two);
2843 +    }
2844 +
2845 +    /**
2846 +     * thenComposeAsync result completes exceptionally after
2847 +     * exceptional completion of source
2848 +     */
2849 +    public void testThenComposeAsync2E() {
2850 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2851 +        CompletableFutureInc r = new CompletableFutureInc();
2852 +        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2853 +        f.completeExceptionally(new CFException());
2854 +        checkCompletedWithWrappedCFException(g);
2855 +    }
2856 +
2857 +    /**
2858 +     * thenComposeAsync result completes exceptionally if action does
2859 +     */
2860 +    public void testThenComposeAsync3E() {
2861 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2862 +        FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2863 +        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2864 +        f.complete(one);
2865 +        checkCompletedWithWrappedCFException(g);
2866 +    }
2867 +
2868 +    /**
2869 +     * thenComposeAsync result completes exceptionally if source cancelled
2870 +     */
2871 +    public void testThenComposeAsync4E() {
2872 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2873 +        CompletableFutureInc r = new CompletableFutureInc();
2874 +        CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2875 +        assertTrue(f.cancel(true));
2876 +        checkCompletedWithWrappedCancellationException(g);
2877 +    }
2878 +
2879 +    // other static methods
2880 +
2881 +    /**
2882       * allOf(no component futures) returns a future completed normally
2883       * with the value null
2884       */
2885      public void testAllOf_empty() throws Exception {
2886 <        CompletableFuture<?> f = CompletableFuture.allOf();
2886 >        CompletableFuture<Void> f = CompletableFuture.allOf();
2887          checkCompletedNormally(f, null);
2888      }
2889  
2890      /**
2891 +     * allOf returns a future completed normally with the value null
2892 +     * when all components complete normally
2893 +     */
2894 +    public void testAllOf_normal() throws Exception {
2895 +        for (int k = 1; k < 20; ++k) {
2896 +            CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
2897 +            for (int i = 0; i < k; ++i)
2898 +                fs[i] = new CompletableFuture<>();
2899 +            CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2900 +            for (int i = 0; i < k; ++i) {
2901 +                checkIncomplete(f);
2902 +                checkIncomplete(CompletableFuture.allOf(fs));
2903 +                fs[i].complete(one);
2904 +            }
2905 +            checkCompletedNormally(f, null);
2906 +            checkCompletedNormally(CompletableFuture.allOf(fs), null);
2907 +        }
2908 +    }
2909 +
2910 +    /**
2911       * anyOf(no component futures) returns an incomplete future
2912       */
2913      public void testAnyOf_empty() throws Exception {
2914 <        CompletableFuture<?> f = CompletableFuture.anyOf();
2914 >        CompletableFuture<Object> f = CompletableFuture.anyOf();
2915          checkIncomplete(f);
2916      }
2917 +
2918 +    /**
2919 +     * anyOf returns a future completed normally with a value when
2920 +     * a component future does
2921 +     */
2922 +    public void testAnyOf_normal() throws Exception {
2923 +        for (int k = 0; k < 10; ++k) {
2924 +            CompletableFuture[] fs = new CompletableFuture[k];
2925 +            for (int i = 0; i < k; ++i)
2926 +                fs[i] = new CompletableFuture<>();
2927 +            CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2928 +            checkIncomplete(f);
2929 +            for (int i = 0; i < k; ++i) {
2930 +                fs[i].complete(one);
2931 +                checkCompletedNormally(f, one);
2932 +                checkCompletedNormally(CompletableFuture.anyOf(fs), one);
2933 +            }
2934 +        }
2935 +    }
2936 +
2937 +    /**
2938 +     * anyOf result completes exceptionally when any component does.
2939 +     */
2940 +    public void testAnyOf_exceptional() throws Exception {
2941 +        for (int k = 0; k < 10; ++k) {
2942 +            CompletableFuture[] fs = new CompletableFuture[k];
2943 +            for (int i = 0; i < k; ++i)
2944 +                fs[i] = new CompletableFuture<>();
2945 +            CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2946 +            checkIncomplete(f);
2947 +            for (int i = 0; i < k; ++i) {
2948 +                fs[i].completeExceptionally(new CFException());
2949 +                checkCompletedWithWrappedCFException(f);
2950 +                checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
2951 +            }
2952 +        }
2953 +    }
2954 +
2955 +    /**
2956 +     * Completion methods throw NullPointerException with null arguments
2957 +     */
2958 +    public void testNPE() {
2959 +        CompletableFuture<Integer> f = new CompletableFuture<>();
2960 +        CompletableFuture<Integer> g = new CompletableFuture<>();
2961 +        CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2962 +        CompletableFuture<?> h;
2963 +        ThreadExecutor exec = new ThreadExecutor();
2964 +
2965 +        Runnable[] throwingActions = {
2966 +            () -> CompletableFuture.supplyAsync(null),
2967 +            () -> CompletableFuture.supplyAsync(null, exec),
2968 +            () -> CompletableFuture.supplyAsync(supplyOne, null),
2969 +
2970 +            () -> CompletableFuture.runAsync(null),
2971 +            () -> CompletableFuture.runAsync(null, exec),
2972 +            () -> CompletableFuture.runAsync(() -> {}, null),
2973 +
2974 +            () -> f.completeExceptionally(null),
2975 +
2976 +            () -> f.thenApply(null),
2977 +            () -> f.thenApplyAsync(null),
2978 +            () -> f.thenApplyAsync((x) -> x, null),
2979 +            () -> f.thenApplyAsync(null, exec),
2980 +
2981 +            () -> f.thenAccept(null),
2982 +            () -> f.thenAcceptAsync(null),
2983 +            () -> f.thenAcceptAsync((x) -> {} , null),
2984 +            () -> f.thenAcceptAsync(null, exec),
2985 +
2986 +            () -> f.thenRun(null),
2987 +            () -> f.thenRunAsync(null),
2988 +            () -> f.thenRunAsync(() -> {} , null),
2989 +            () -> f.thenRunAsync(null, exec),
2990 +
2991 +            () -> f.thenCombine(g, null),
2992 +            () -> f.thenCombineAsync(g, null),
2993 +            () -> f.thenCombineAsync(g, null, exec),
2994 +            () -> f.thenCombine(nullFuture, (x, y) -> x),
2995 +            () -> f.thenCombineAsync(nullFuture, (x, y) -> x),
2996 +            () -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
2997 +            () -> f.thenCombineAsync(g, (x, y) -> x, null),
2998 +
2999 +            () -> f.thenAcceptBoth(g, null),
3000 +            () -> f.thenAcceptBothAsync(g, null),
3001 +            () -> f.thenAcceptBothAsync(g, null, exec),
3002 +            () -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3003 +            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3004 +            () -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3005 +            () -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3006 +
3007 +            () -> f.runAfterBoth(g, null),
3008 +            () -> f.runAfterBothAsync(g, null),
3009 +            () -> f.runAfterBothAsync(g, null, exec),
3010 +            () -> f.runAfterBoth(nullFuture, () -> {}),
3011 +            () -> f.runAfterBothAsync(nullFuture, () -> {}),
3012 +            () -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3013 +            () -> f.runAfterBothAsync(g, () -> {}, null),
3014 +
3015 +            () -> f.applyToEither(g, null),
3016 +            () -> f.applyToEitherAsync(g, null),
3017 +            () -> f.applyToEitherAsync(g, null, exec),
3018 +            () -> f.applyToEither(nullFuture, (x) -> x),
3019 +            () -> f.applyToEitherAsync(nullFuture, (x) -> x),
3020 +            () -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3021 +            () -> f.applyToEitherAsync(g, (x) -> x, null),
3022 +
3023 +            () -> f.acceptEither(g, null),
3024 +            () -> f.acceptEitherAsync(g, null),
3025 +            () -> f.acceptEitherAsync(g, null, exec),
3026 +            () -> f.acceptEither(nullFuture, (x) -> {}),
3027 +            () -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3028 +            () -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3029 +            () -> f.acceptEitherAsync(g, (x) -> {}, null),
3030 +
3031 +            () -> f.runAfterEither(g, null),
3032 +            () -> f.runAfterEitherAsync(g, null),
3033 +            () -> f.runAfterEitherAsync(g, null, exec),
3034 +            () -> f.runAfterEither(nullFuture, () -> {}),
3035 +            () -> f.runAfterEitherAsync(nullFuture, () -> {}),
3036 +            () -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3037 +            () -> f.runAfterEitherAsync(g, () -> {}, null),
3038 +
3039 +            () -> f.thenCompose(null),
3040 +            () -> f.thenComposeAsync(null),
3041 +            () -> f.thenComposeAsync(new CompletableFutureInc(), null),
3042 +            () -> f.thenComposeAsync(null, exec),
3043 +
3044 +            () -> f.exceptionally(null),
3045 +
3046 +            () -> f.handle(null),
3047 +
3048 +            () -> CompletableFuture.allOf((CompletableFuture<?>)null),
3049 +            () -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3050 +            () -> CompletableFuture.allOf(f, null),
3051 +            () -> CompletableFuture.allOf(null, f),
3052 +
3053 +            () -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3054 +            () -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3055 +            () -> CompletableFuture.anyOf(f, null),
3056 +            () -> CompletableFuture.anyOf(null, f),
3057 +
3058 +            () -> f.obtrudeException(null),
3059 +        };
3060 +
3061 +        assertThrows(NullPointerException.class, throwingActions);
3062 +        assertEquals(0, exec.count.get());
3063 +    }
3064 +
3065 +    /**
3066 +     * toCompletableFuture returns this CompletableFuture.
3067 +     */
3068 +    public void testToCompletableFuture() {
3069 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3070 +        assertSame(f, f.toCompletableFuture());
3071 +    }
3072 +
3073 +    /**
3074 +     * whenComplete action executes on normal completion, propagating
3075 +     * source result.
3076 +     */
3077 +    public void testWhenComplete1() {
3078 +        final AtomicInteger a = new AtomicInteger();
3079 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3080 +        CompletableFuture<Integer> g =
3081 +            f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3082 +        f.complete(three);
3083 +        checkCompletedNormally(f, three);
3084 +        checkCompletedNormally(g, three);
3085 +        assertEquals(a.get(), 1);
3086 +    }
3087 +
3088 +    /**
3089 +     * whenComplete action executes on exceptional completion, propagating
3090 +     * source result.
3091 +     */
3092 +    public void testWhenComplete2() {
3093 +        final AtomicInteger a = new AtomicInteger();
3094 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3095 +        CompletableFuture<Integer> g =
3096 +            f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3097 +        f.completeExceptionally(new CFException());
3098 +        assertTrue(f.isCompletedExceptionally());
3099 +        assertTrue(g.isCompletedExceptionally());
3100 +        assertEquals(a.get(), 1);
3101 +    }
3102 +
3103 +    /**
3104 +     * If a whenComplete action throws an exception when triggered by
3105 +     * a normal completion, it completes exceptionally
3106 +     */
3107 +    public void testWhenComplete3() {
3108 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3109 +        CompletableFuture<Integer> g =
3110 +            f.whenComplete((Integer x, Throwable t) ->
3111 +                           { throw new CFException(); } );
3112 +        f.complete(three);
3113 +        checkCompletedNormally(f, three);
3114 +        assertTrue(g.isCompletedExceptionally());
3115 +        checkCompletedWithWrappedCFException(g);
3116 +    }
3117 +
3118 +    /**
3119 +     * whenCompleteAsync action executes on normal completion, propagating
3120 +     * source result.
3121 +     */
3122 +    public void testWhenCompleteAsync1() {
3123 +        final AtomicInteger a = new AtomicInteger();
3124 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3125 +        CompletableFuture<Integer> g =
3126 +            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3127 +        f.complete(three);
3128 +        checkCompletedNormally(f, three);
3129 +        checkCompletedNormally(g, three);
3130 +        assertEquals(a.get(), 1);
3131 +    }
3132 +
3133 +    /**
3134 +     * whenCompleteAsync action executes on exceptional completion, propagating
3135 +     * source result.
3136 +     */
3137 +    public void testWhenCompleteAsync2() {
3138 +        final AtomicInteger a = new AtomicInteger();
3139 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3140 +        CompletableFuture<Integer> g =
3141 +            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3142 +        f.completeExceptionally(new CFException());
3143 +        checkCompletedWithWrappedCFException(f);
3144 +        checkCompletedWithWrappedCFException(g);
3145 +    }
3146 +
3147 +    /**
3148 +     * If a whenCompleteAsync action throws an exception when
3149 +     * triggered by a normal completion, it completes exceptionally
3150 +     */
3151 +    public void testWhenCompleteAsync3() {
3152 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3153 +        CompletableFuture<Integer> g =
3154 +            f.whenCompleteAsync((Integer x, Throwable t) ->
3155 +                           { throw new CFException(); } );
3156 +        f.complete(three);
3157 +        checkCompletedNormally(f, three);
3158 +        checkCompletedWithWrappedCFException(g);
3159 +    }
3160 +
3161 +    /**
3162 +     * whenCompleteAsync action executes on normal completion, propagating
3163 +     * source result.
3164 +     */
3165 +    public void testWhenCompleteAsync1e() {
3166 +        final AtomicInteger a = new AtomicInteger();
3167 +        ThreadExecutor exec = new ThreadExecutor();
3168 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3169 +        CompletableFuture<Integer> g =
3170 +            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3171 +                                exec);
3172 +        f.complete(three);
3173 +        checkCompletedNormally(f, three);
3174 +        checkCompletedNormally(g, three);
3175 +        assertEquals(a.get(), 1);
3176 +    }
3177 +
3178 +    /**
3179 +     * whenCompleteAsync action executes on exceptional completion, propagating
3180 +     * source result.
3181 +     */
3182 +    public void testWhenCompleteAsync2e() {
3183 +        final AtomicInteger a = new AtomicInteger();
3184 +        ThreadExecutor exec = new ThreadExecutor();
3185 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3186 +        CompletableFuture<Integer> g =
3187 +            f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3188 +                                exec);
3189 +        f.completeExceptionally(new CFException());
3190 +        checkCompletedWithWrappedCFException(f);
3191 +        checkCompletedWithWrappedCFException(g);
3192 +    }
3193 +
3194 +    /**
3195 +     * If a whenCompleteAsync action throws an exception when triggered
3196 +     * by a normal completion, it completes exceptionally
3197 +     */
3198 +    public void testWhenCompleteAsync3e() {
3199 +        ThreadExecutor exec = new ThreadExecutor();
3200 +        CompletableFuture<Integer> f = new CompletableFuture<>();
3201 +        CompletableFuture<Integer> g =
3202 +            f.whenCompleteAsync((Integer x, Throwable t) ->
3203 +                                { throw new CFException(); },
3204 +                                exec);
3205 +        f.complete(three);
3206 +        checkCompletedNormally(f, three);
3207 +        checkCompletedWithWrappedCFException(g);
3208 +    }
3209 +
3210 +    /**
3211 +     * handleAsync action completes normally with function value on
3212 +     * either normal or exceptional completion of source
3213 +     */
3214 +    public void testHandleAsync() {
3215 +        CompletableFuture<Integer> f, g;
3216 +        IntegerHandler r;
3217 +
3218 +        f = new CompletableFuture<>();
3219 +        g = f.handleAsync(r = new IntegerHandler());
3220 +        assertFalse(r.ran);
3221 +        f.completeExceptionally(new CFException());
3222 +        checkCompletedWithWrappedCFException(f);
3223 +        checkCompletedNormally(g, three);
3224 +        assertTrue(r.ran);
3225 +
3226 +        f = new CompletableFuture<>();
3227 +        g = f.handleAsync(r = new IntegerHandler());
3228 +        assertFalse(r.ran);
3229 +        f.completeExceptionally(new CFException());
3230 +        checkCompletedWithWrappedCFException(f);
3231 +        checkCompletedNormally(g, three);
3232 +        assertTrue(r.ran);
3233 +
3234 +        f = new CompletableFuture<>();
3235 +        g = f.handleAsync(r = new IntegerHandler());
3236 +        assertFalse(r.ran);
3237 +        f.complete(one);
3238 +        checkCompletedNormally(f, one);
3239 +        checkCompletedNormally(g, two);
3240 +        assertTrue(r.ran);
3241 +
3242 +        f = new CompletableFuture<>();
3243 +        g = f.handleAsync(r = new IntegerHandler());
3244 +        assertFalse(r.ran);
3245 +        f.complete(one);
3246 +        checkCompletedNormally(f, one);
3247 +        checkCompletedNormally(g, two);
3248 +        assertTrue(r.ran);
3249 +    }
3250 +
3251 +    /**
3252 +     * handleAsync action with Executor completes normally with
3253 +     * function value on either normal or exceptional completion of
3254 +     * source
3255 +     */
3256 +    public void testHandleAsync2() {
3257 +        CompletableFuture<Integer> f, g;
3258 +        ThreadExecutor exec = new ThreadExecutor();
3259 +        IntegerHandler r;
3260 +
3261 +        f = new CompletableFuture<>();
3262 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3263 +        assertFalse(r.ran);
3264 +        f.completeExceptionally(new CFException());
3265 +        checkCompletedWithWrappedCFException(f);
3266 +        checkCompletedNormally(g, three);
3267 +        assertTrue(r.ran);
3268 +
3269 +        f = new CompletableFuture<>();
3270 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3271 +        assertFalse(r.ran);
3272 +        f.completeExceptionally(new CFException());
3273 +        checkCompletedWithWrappedCFException(f);
3274 +        checkCompletedNormally(g, three);
3275 +        assertTrue(r.ran);
3276 +
3277 +        f = new CompletableFuture<>();
3278 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3279 +        assertFalse(r.ran);
3280 +        f.complete(one);
3281 +        checkCompletedNormally(f, one);
3282 +        checkCompletedNormally(g, two);
3283 +        assertTrue(r.ran);
3284 +
3285 +        f = new CompletableFuture<>();
3286 +        g = f.handleAsync(r = new IntegerHandler(), exec);
3287 +        assertFalse(r.ran);
3288 +        f.complete(one);
3289 +        checkCompletedNormally(f, one);
3290 +        checkCompletedNormally(g, two);
3291 +        assertTrue(r.ran);
3292 +    }
3293 +
3294   }

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