284 |
|
public void testGetNumberOfDependents() { |
285 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
286 |
|
assertEquals(0, f.getNumberOfDependents()); |
287 |
< |
CompletableFuture g = f.thenRun(new Noop()); |
287 |
> |
CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT)); |
288 |
|
assertEquals(1, f.getNumberOfDependents()); |
289 |
|
assertEquals(0, g.getNumberOfDependents()); |
290 |
< |
CompletableFuture h = f.thenRun(new Noop()); |
290 |
> |
CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT)); |
291 |
|
assertEquals(2, f.getNumberOfDependents()); |
292 |
|
f.complete(1); |
293 |
|
checkCompletedNormally(g, null); |
334 |
|
return (x == null) ? null : x + 1; |
335 |
|
} |
336 |
|
|
337 |
< |
static final Supplier<Integer> supplyOne = |
338 |
< |
() -> Integer.valueOf(1); |
339 |
< |
static final Function<Integer, Integer> inc = |
340 |
< |
(Integer x) -> Integer.valueOf(x.intValue() + 1); |
341 |
< |
static final BiFunction<Integer, Integer, Integer> subtract = |
342 |
< |
(Integer x, Integer y) -> subtract(x, y); |
337 |
> |
static final class IntegerSupplier implements Supplier<Integer> { |
338 |
> |
final ExecutionMode m; |
339 |
> |
int invocationCount = 0; |
340 |
> |
final Integer value; |
341 |
> |
IntegerSupplier(ExecutionMode m, Integer value) { |
342 |
> |
this.m = m; |
343 |
> |
this.value = value; |
344 |
> |
} |
345 |
> |
public Integer get() { |
346 |
> |
m.checkExecutionMode(); |
347 |
> |
invocationCount++; |
348 |
> |
return value; |
349 |
> |
} |
350 |
> |
} |
351 |
> |
|
352 |
|
static final class IncAction implements Consumer<Integer> { |
353 |
|
int invocationCount = 0; |
354 |
|
Integer value; |
358 |
|
} |
359 |
|
} |
360 |
|
static final class IncFunction implements Function<Integer,Integer> { |
361 |
+ |
final ExecutionMode m; |
362 |
|
int invocationCount = 0; |
363 |
|
Integer value; |
364 |
+ |
IncFunction(ExecutionMode m) { this.m = m; } |
365 |
|
public Integer apply(Integer x) { |
366 |
+ |
m.checkExecutionMode(); |
367 |
|
invocationCount++; |
368 |
|
return value = inc(x); |
369 |
|
} |
370 |
|
} |
371 |
|
static final class SubtractAction implements BiConsumer<Integer, Integer> { |
372 |
+ |
final ExecutionMode m; |
373 |
|
int invocationCount = 0; |
374 |
|
Integer value; |
375 |
|
// Check this action was invoked exactly once when result is computed. |
376 |
+ |
SubtractAction(ExecutionMode m) { this.m = m; } |
377 |
|
public void accept(Integer x, Integer y) { |
378 |
+ |
m.checkExecutionMode(); |
379 |
|
invocationCount++; |
380 |
|
value = subtract(x, y); |
381 |
|
} |
382 |
|
} |
383 |
|
static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> { |
384 |
+ |
final ExecutionMode m; |
385 |
|
int invocationCount = 0; |
386 |
|
Integer value; |
387 |
|
// Check this action was invoked exactly once when result is computed. |
388 |
+ |
SubtractFunction(ExecutionMode m) { this.m = m; } |
389 |
|
public Integer apply(Integer x, Integer y) { |
390 |
+ |
m.checkExecutionMode(); |
391 |
|
invocationCount++; |
392 |
|
return value = subtract(x, y); |
393 |
|
} |
394 |
|
} |
395 |
|
static final class Noop implements Runnable { |
396 |
+ |
final ExecutionMode m; |
397 |
|
int invocationCount = 0; |
398 |
+ |
Noop(ExecutionMode m) { this.m = m; } |
399 |
|
public void run() { |
400 |
+ |
m.checkExecutionMode(); |
401 |
|
invocationCount++; |
402 |
|
} |
403 |
|
} |
404 |
|
|
405 |
|
static final class FailingSupplier implements Supplier<Integer> { |
406 |
+ |
final ExecutionMode m; |
407 |
|
int invocationCount = 0; |
408 |
+ |
FailingSupplier(ExecutionMode m) { this.m = m; } |
409 |
|
public Integer get() { |
410 |
+ |
m.checkExecutionMode(); |
411 |
|
invocationCount++; |
412 |
|
throw new CFException(); |
413 |
|
} |
414 |
|
} |
415 |
|
static final class FailingConsumer implements Consumer<Integer> { |
416 |
+ |
final ExecutionMode m; |
417 |
|
int invocationCount = 0; |
418 |
+ |
FailingConsumer(ExecutionMode m) { this.m = m; } |
419 |
|
public void accept(Integer x) { |
420 |
+ |
m.checkExecutionMode(); |
421 |
|
invocationCount++; |
422 |
|
throw new CFException(); |
423 |
|
} |
424 |
|
} |
425 |
|
static final class FailingBiConsumer implements BiConsumer<Integer, Integer> { |
426 |
+ |
final ExecutionMode m; |
427 |
|
int invocationCount = 0; |
428 |
+ |
FailingBiConsumer(ExecutionMode m) { this.m = m; } |
429 |
|
public void accept(Integer x, Integer y) { |
430 |
+ |
m.checkExecutionMode(); |
431 |
|
invocationCount++; |
432 |
|
throw new CFException(); |
433 |
|
} |
434 |
|
} |
435 |
|
static final class FailingFunction implements Function<Integer, Integer> { |
436 |
+ |
final ExecutionMode m; |
437 |
|
int invocationCount = 0; |
438 |
+ |
FailingFunction(ExecutionMode m) { this.m = m; } |
439 |
|
public Integer apply(Integer x) { |
440 |
+ |
m.checkExecutionMode(); |
441 |
|
invocationCount++; |
442 |
|
throw new CFException(); |
443 |
|
} |
444 |
|
} |
445 |
|
static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> { |
446 |
+ |
final ExecutionMode m; |
447 |
|
int invocationCount = 0; |
448 |
+ |
FailingBiFunction(ExecutionMode m) { this.m = m; } |
449 |
|
public Integer apply(Integer x, Integer y) { |
450 |
+ |
m.checkExecutionMode(); |
451 |
|
invocationCount++; |
452 |
|
throw new CFException(); |
453 |
|
} |
454 |
|
} |
455 |
|
static final class FailingRunnable implements Runnable { |
456 |
+ |
final ExecutionMode m; |
457 |
|
int invocationCount = 0; |
458 |
+ |
FailingRunnable(ExecutionMode m) { this.m = m; } |
459 |
|
public void run() { |
460 |
+ |
m.checkExecutionMode(); |
461 |
|
invocationCount++; |
462 |
|
throw new CFException(); |
463 |
|
} |
465 |
|
|
466 |
|
static final class CompletableFutureInc |
467 |
|
implements Function<Integer, CompletableFuture<Integer>> { |
468 |
+ |
final ExecutionMode m; |
469 |
|
int invocationCount = 0; |
470 |
+ |
CompletableFutureInc(ExecutionMode m) { this.m = m; } |
471 |
|
public CompletableFuture<Integer> apply(Integer x) { |
472 |
+ |
m.checkExecutionMode(); |
473 |
|
invocationCount++; |
474 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
475 |
|
f.complete(inc(x)); |
479 |
|
|
480 |
|
static final class FailingCompletableFutureFunction |
481 |
|
implements Function<Integer, CompletableFuture<Integer>> { |
482 |
+ |
final ExecutionMode m; |
483 |
|
int invocationCount = 0; |
484 |
+ |
FailingCompletableFutureFunction(ExecutionMode m) { this.m = m; } |
485 |
|
public CompletableFuture<Integer> apply(Integer x) { |
486 |
+ |
m.checkExecutionMode(); |
487 |
|
invocationCount++; |
488 |
|
throw new CFException(); |
489 |
|
} |
491 |
|
|
492 |
|
// Used for explicit executor tests |
493 |
|
static final class ThreadExecutor implements Executor { |
494 |
< |
AtomicInteger count = new AtomicInteger(0); |
494 |
> |
final AtomicInteger count = new AtomicInteger(0); |
495 |
> |
static final ThreadGroup tg = new ThreadGroup("ThreadExecutor"); |
496 |
> |
static boolean startedCurrentThread() { |
497 |
> |
return Thread.currentThread().getThreadGroup() == tg; |
498 |
> |
} |
499 |
|
|
500 |
|
public void execute(Runnable r) { |
501 |
|
count.getAndIncrement(); |
502 |
< |
new Thread(r).start(); |
502 |
> |
new Thread(tg, r).start(); |
503 |
|
} |
504 |
|
} |
505 |
|
|
512 |
|
public void checkExecutionMode() { |
513 |
|
assertNull(ForkJoinTask.getPool()); |
514 |
|
} |
515 |
+ |
public CompletableFuture<Void> runAsync(Runnable a) { |
516 |
+ |
throw new UnsupportedOperationException(); |
517 |
+ |
} |
518 |
+ |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
519 |
+ |
throw new UnsupportedOperationException(); |
520 |
+ |
} |
521 |
|
public <T> CompletableFuture<Void> thenRun |
522 |
|
(CompletableFuture<T> f, Runnable a) { |
523 |
|
return f.thenRun(a); |
586 |
|
assertSame(ForkJoinPool.commonPool(), |
587 |
|
ForkJoinTask.getPool()); |
588 |
|
} |
589 |
+ |
public CompletableFuture<Void> runAsync(Runnable a) { |
590 |
+ |
return CompletableFuture.runAsync(a); |
591 |
+ |
} |
592 |
+ |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
593 |
+ |
return CompletableFuture.supplyAsync(a); |
594 |
+ |
} |
595 |
|
public <T> CompletableFuture<Void> thenRun |
596 |
|
(CompletableFuture<T> f, Runnable a) { |
597 |
|
return f.thenRunAsync(a); |
657 |
|
|
658 |
|
EXECUTOR { |
659 |
|
public void checkExecutionMode() { |
660 |
< |
//TODO |
660 |
> |
assertTrue(ThreadExecutor.startedCurrentThread()); |
661 |
> |
} |
662 |
> |
public CompletableFuture<Void> runAsync(Runnable a) { |
663 |
> |
return CompletableFuture.runAsync(a, new ThreadExecutor()); |
664 |
> |
} |
665 |
> |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
666 |
> |
return CompletableFuture.supplyAsync(a, new ThreadExecutor()); |
667 |
|
} |
668 |
|
public <T> CompletableFuture<Void> thenRun |
669 |
|
(CompletableFuture<T> f, Runnable a) { |
729 |
|
}; |
730 |
|
|
731 |
|
public abstract void checkExecutionMode(); |
732 |
+ |
public abstract CompletableFuture<Void> runAsync(Runnable a); |
733 |
+ |
public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a); |
734 |
|
public abstract <T> CompletableFuture<Void> thenRun |
735 |
|
(CompletableFuture<T> f, Runnable a); |
736 |
|
public abstract <T> CompletableFuture<Void> thenAccept |
809 |
|
if (!createIncomplete) f.completeExceptionally(ex); |
810 |
|
final CompletableFuture<Integer> g = f.exceptionally |
811 |
|
((Throwable t) -> { |
812 |
+ |
ExecutionMode.DEFAULT.checkExecutionMode(); |
813 |
|
threadAssertSame(t, ex); |
814 |
|
a.getAndIncrement(); |
815 |
|
return v1; |
831 |
|
if (!createIncomplete) f.completeExceptionally(ex1); |
832 |
|
final CompletableFuture<Integer> g = f.exceptionally |
833 |
|
((Throwable t) -> { |
834 |
+ |
ExecutionMode.DEFAULT.checkExecutionMode(); |
835 |
|
threadAssertSame(t, ex1); |
836 |
|
a.getAndIncrement(); |
837 |
|
throw ex2; |
857 |
|
final CompletableFuture<Integer> g = m.handle |
858 |
|
(f, |
859 |
|
(Integer x, Throwable t) -> { |
860 |
+ |
m.checkExecutionMode(); |
861 |
|
threadAssertSame(x, v1); |
862 |
|
threadAssertNull(t); |
863 |
|
a.getAndIncrement(); |
886 |
|
final CompletableFuture<Integer> g = m.handle |
887 |
|
(f, |
888 |
|
(Integer x, Throwable t) -> { |
889 |
+ |
m.checkExecutionMode(); |
890 |
|
threadAssertNull(x); |
891 |
|
threadAssertSame(t, ex); |
892 |
|
a.getAndIncrement(); |
915 |
|
final CompletableFuture<Integer> g = m.handle |
916 |
|
(f, |
917 |
|
(Integer x, Throwable t) -> { |
918 |
+ |
m.checkExecutionMode(); |
919 |
|
threadAssertNull(x); |
920 |
|
threadAssertTrue(t instanceof CancellationException); |
921 |
|
a.getAndIncrement(); |
943 |
|
final CompletableFuture<Integer> g = m.handle |
944 |
|
(f, |
945 |
|
(Integer x, Throwable t) -> { |
946 |
+ |
m.checkExecutionMode(); |
947 |
|
threadAssertNull(x); |
948 |
|
threadAssertSame(ex1, t); |
949 |
|
a.getAndIncrement(); |
968 |
|
final CompletableFuture<Integer> g = m.handle |
969 |
|
(f, |
970 |
|
(Integer x, Throwable t) -> { |
971 |
+ |
m.checkExecutionMode(); |
972 |
|
threadAssertSame(x, v1); |
973 |
|
threadAssertNull(t); |
974 |
|
a.getAndIncrement(); |
984 |
|
/** |
985 |
|
* runAsync completes after running Runnable |
986 |
|
*/ |
987 |
< |
public void testRunAsync() { |
988 |
< |
Noop r = new Noop(); |
989 |
< |
CompletableFuture<Void> f = CompletableFuture.runAsync(r); |
987 |
> |
public void testRunAsync_normalCompletion() { |
988 |
> |
ExecutionMode[] executionModes = { |
989 |
> |
ExecutionMode.ASYNC, |
990 |
> |
ExecutionMode.EXECUTOR, |
991 |
> |
}; |
992 |
> |
for (ExecutionMode m : executionModes) |
993 |
> |
{ |
994 |
> |
final Noop r = new Noop(m); |
995 |
> |
final CompletableFuture<Void> f = m.runAsync(r); |
996 |
|
assertNull(f.join()); |
915 |
– |
assertEquals(1, r.invocationCount); |
997 |
|
checkCompletedNormally(f, null); |
917 |
– |
} |
918 |
– |
|
919 |
– |
/** |
920 |
– |
* runAsync with executor completes after running Runnable |
921 |
– |
*/ |
922 |
– |
public void testRunAsync2() { |
923 |
– |
Noop r = new Noop(); |
924 |
– |
ThreadExecutor exec = new ThreadExecutor(); |
925 |
– |
CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec); |
926 |
– |
assertNull(f.join()); |
998 |
|
assertEquals(1, r.invocationCount); |
999 |
< |
checkCompletedNormally(f, null); |
929 |
< |
assertEquals(1, exec.count.get()); |
930 |
< |
} |
999 |
> |
}} |
1000 |
|
|
1001 |
|
/** |
1002 |
|
* failing runAsync completes exceptionally after running Runnable |
1003 |
|
*/ |
1004 |
< |
public void testRunAsync3() { |
1005 |
< |
FailingRunnable r = new FailingRunnable(); |
1006 |
< |
CompletableFuture<Void> f = CompletableFuture.runAsync(r); |
1004 |
> |
public void testRunAsync_exceptionalCompletion() { |
1005 |
> |
ExecutionMode[] executionModes = { |
1006 |
> |
ExecutionMode.ASYNC, |
1007 |
> |
ExecutionMode.EXECUTOR, |
1008 |
> |
}; |
1009 |
> |
for (ExecutionMode m : executionModes) |
1010 |
> |
{ |
1011 |
> |
final FailingRunnable r = new FailingRunnable(m); |
1012 |
> |
final CompletableFuture<Void> f = m.runAsync(r); |
1013 |
|
checkCompletedWithWrappedCFException(f); |
1014 |
|
assertEquals(1, r.invocationCount); |
1015 |
< |
} |
1015 |
> |
}} |
1016 |
|
|
1017 |
|
/** |
1018 |
|
* supplyAsync completes with result of supplier |
1019 |
|
*/ |
1020 |
< |
public void testSupplyAsync() { |
1021 |
< |
CompletableFuture<Integer> f; |
1022 |
< |
f = CompletableFuture.supplyAsync(supplyOne); |
1023 |
< |
assertEquals(f.join(), one); |
1024 |
< |
checkCompletedNormally(f, one); |
1025 |
< |
} |
1026 |
< |
|
1027 |
< |
/** |
1028 |
< |
* supplyAsync with executor completes with result of supplier |
1029 |
< |
*/ |
1030 |
< |
public void testSupplyAsync2() { |
1031 |
< |
CompletableFuture<Integer> f; |
1032 |
< |
f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor()); |
1033 |
< |
assertEquals(f.join(), one); |
959 |
< |
checkCompletedNormally(f, one); |
960 |
< |
} |
1020 |
> |
public void testSupplyAsync_normalCompletion() { |
1021 |
> |
ExecutionMode[] executionModes = { |
1022 |
> |
ExecutionMode.ASYNC, |
1023 |
> |
ExecutionMode.EXECUTOR, |
1024 |
> |
}; |
1025 |
> |
for (ExecutionMode m : executionModes) |
1026 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1027 |
> |
{ |
1028 |
> |
final IntegerSupplier r = new IntegerSupplier(m, v1); |
1029 |
> |
final CompletableFuture<Integer> f = m.supplyAsync(r); |
1030 |
> |
assertSame(v1, f.join()); |
1031 |
> |
checkCompletedNormally(f, v1); |
1032 |
> |
assertEquals(1, r.invocationCount); |
1033 |
> |
}} |
1034 |
|
|
1035 |
|
/** |
1036 |
|
* Failing supplyAsync completes exceptionally |
1037 |
|
*/ |
1038 |
< |
public void testSupplyAsync3() { |
1039 |
< |
FailingSupplier r = new FailingSupplier(); |
1040 |
< |
CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r); |
1038 |
> |
public void testSupplyAsync_exceptionalCompletion() { |
1039 |
> |
ExecutionMode[] executionModes = { |
1040 |
> |
ExecutionMode.ASYNC, |
1041 |
> |
ExecutionMode.EXECUTOR, |
1042 |
> |
}; |
1043 |
> |
for (ExecutionMode m : executionModes) |
1044 |
> |
{ |
1045 |
> |
FailingSupplier r = new FailingSupplier(m); |
1046 |
> |
CompletableFuture<Integer> f = m.supplyAsync(r); |
1047 |
|
checkCompletedWithWrappedCFException(f); |
1048 |
|
assertEquals(1, r.invocationCount); |
1049 |
< |
} |
1049 |
> |
}} |
1050 |
|
|
1051 |
|
// seq completion methods |
1052 |
|
|
1059 |
|
for (Integer v1 : new Integer[] { 1, null }) |
1060 |
|
{ |
1061 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1062 |
< |
final Noop r = new Noop(); |
1062 |
> |
final Noop r = new Noop(m); |
1063 |
|
if (!createIncomplete) f.complete(v1); |
1064 |
|
final CompletableFuture<Void> g = m.thenRun(f, r); |
1065 |
|
if (createIncomplete) { |
1082 |
|
{ |
1083 |
|
final CFException ex = new CFException(); |
1084 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1085 |
< |
final Noop r = new Noop(); |
1085 |
> |
final Noop r = new Noop(m); |
1086 |
|
if (!createIncomplete) f.completeExceptionally(ex); |
1087 |
|
final CompletableFuture<Void> g = m.thenRun(f, r); |
1088 |
|
if (createIncomplete) { |
1104 |
|
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1105 |
|
{ |
1106 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1107 |
< |
final Noop r = new Noop(); |
1107 |
> |
final Noop r = new Noop(m); |
1108 |
|
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1109 |
< |
final CompletableFuture<Void> g = f.thenRun(r); |
1109 |
> |
final CompletableFuture<Void> g = m.thenRun(f, r); |
1110 |
|
if (createIncomplete) { |
1111 |
|
checkIncomplete(g); |
1112 |
|
assertTrue(f.cancel(mayInterruptIfRunning)); |
1126 |
|
for (Integer v1 : new Integer[] { 1, null }) |
1127 |
|
{ |
1128 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1129 |
< |
final FailingRunnable r = new FailingRunnable(); |
1129 |
> |
final FailingRunnable r = new FailingRunnable(m); |
1130 |
|
if (!createIncomplete) f.complete(v1); |
1131 |
< |
final CompletableFuture<Void> g = f.thenRun(r); |
1131 |
> |
final CompletableFuture<Void> g = m.thenRun(f, r); |
1132 |
|
if (createIncomplete) { |
1133 |
|
checkIncomplete(g); |
1134 |
|
f.complete(v1); |
1147 |
|
for (Integer v1 : new Integer[] { 1, null }) |
1148 |
|
{ |
1149 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1150 |
< |
final IncFunction r = new IncFunction(); |
1150 |
> |
final IncFunction r = new IncFunction(m); |
1151 |
|
if (!createIncomplete) f.complete(v1); |
1152 |
|
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1153 |
|
if (createIncomplete) { |
1170 |
|
{ |
1171 |
|
final CFException ex = new CFException(); |
1172 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1173 |
< |
final IncFunction r = new IncFunction(); |
1173 |
> |
final IncFunction r = new IncFunction(m); |
1174 |
|
if (!createIncomplete) f.completeExceptionally(ex); |
1175 |
|
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1176 |
|
if (createIncomplete) { |
1192 |
|
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1193 |
|
{ |
1194 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1195 |
< |
final IncFunction r = new IncFunction(); |
1195 |
> |
final IncFunction r = new IncFunction(m); |
1196 |
|
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1197 |
< |
final CompletableFuture<Integer> g = f.thenApply(r); |
1197 |
> |
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1198 |
|
if (createIncomplete) { |
1199 |
|
checkIncomplete(g); |
1200 |
|
assertTrue(f.cancel(mayInterruptIfRunning)); |
1214 |
|
for (Integer v1 : new Integer[] { 1, null }) |
1215 |
|
{ |
1216 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1217 |
< |
final FailingFunction r = new FailingFunction(); |
1217 |
> |
final FailingFunction r = new FailingFunction(m); |
1218 |
|
if (!createIncomplete) f.complete(v1); |
1219 |
< |
final CompletableFuture<Integer> g = f.thenApply(r); |
1219 |
> |
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1220 |
|
if (createIncomplete) { |
1221 |
|
checkIncomplete(g); |
1222 |
|
f.complete(v1); |
1281 |
|
for (Integer v1 : new Integer[] { 1, null }) |
1282 |
|
{ |
1283 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1284 |
< |
final FailingConsumer r = new FailingConsumer(); |
1284 |
> |
final FailingConsumer r = new FailingConsumer(m); |
1285 |
|
if (!createIncomplete) f.complete(v1); |
1286 |
< |
final CompletableFuture<Void> g = f.thenAccept(r); |
1286 |
> |
final CompletableFuture<Void> g = m.thenAccept(f, r); |
1287 |
|
if (createIncomplete) { |
1288 |
|
checkIncomplete(g); |
1289 |
|
f.complete(v1); |
1304 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1305 |
|
final IncAction r = new IncAction(); |
1306 |
|
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1307 |
< |
final CompletableFuture<Void> g = f.thenAccept(r); |
1307 |
> |
final CompletableFuture<Void> g = m.thenAccept(f, r); |
1308 |
|
if (createIncomplete) { |
1309 |
|
checkIncomplete(g); |
1310 |
|
assertTrue(f.cancel(mayInterruptIfRunning)); |
1328 |
|
{ |
1329 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1330 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1331 |
< |
final SubtractFunction r = new SubtractFunction(); |
1331 |
> |
final SubtractFunction r = new SubtractFunction(m); |
1332 |
|
|
1333 |
|
if (fFirst) f.complete(v1); else g.complete(v2); |
1334 |
|
if (!createIncomplete) |
1359 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1360 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1361 |
|
final CFException ex = new CFException(); |
1362 |
< |
final SubtractFunction r = new SubtractFunction(); |
1362 |
> |
final SubtractFunction r = new SubtractFunction(m); |
1363 |
|
|
1364 |
|
(fFirst ? f : g).complete(v1); |
1365 |
|
if (!createIncomplete) |
1387 |
|
{ |
1388 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1389 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1390 |
< |
final FailingBiFunction r = new FailingBiFunction(); |
1390 |
> |
final FailingBiFunction r = new FailingBiFunction(m); |
1391 |
|
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1392 |
|
|
1393 |
|
if (fFirst) { |
1415 |
|
{ |
1416 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1417 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1418 |
< |
final SubtractFunction r = new SubtractFunction(); |
1418 |
> |
final SubtractFunction r = new SubtractFunction(m); |
1419 |
|
|
1420 |
|
(fFirst ? f : g).complete(v1); |
1421 |
|
if (!createIncomplete) |
1445 |
|
{ |
1446 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1447 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1448 |
< |
final SubtractAction r = new SubtractAction(); |
1448 |
> |
final SubtractAction r = new SubtractAction(m); |
1449 |
|
|
1450 |
|
if (fFirst) f.complete(v1); else g.complete(v2); |
1451 |
|
if (!createIncomplete) |
1476 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1477 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1478 |
|
final CFException ex = new CFException(); |
1479 |
< |
final SubtractAction r = new SubtractAction(); |
1479 |
> |
final SubtractAction r = new SubtractAction(m); |
1480 |
|
|
1481 |
|
(fFirst ? f : g).complete(v1); |
1482 |
|
if (!createIncomplete) |
1504 |
|
{ |
1505 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1506 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1507 |
< |
final FailingBiConsumer r = new FailingBiConsumer(); |
1507 |
> |
final FailingBiConsumer r = new FailingBiConsumer(m); |
1508 |
|
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1509 |
|
|
1510 |
|
if (fFirst) { |
1532 |
|
{ |
1533 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1534 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1535 |
< |
final SubtractAction r = new SubtractAction(); |
1535 |
> |
final SubtractAction r = new SubtractAction(m); |
1536 |
|
|
1537 |
|
(fFirst ? f : g).complete(v1); |
1538 |
|
if (!createIncomplete) |
1562 |
|
{ |
1563 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1564 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1565 |
< |
final Noop r = new Noop(); |
1565 |
> |
final Noop r = new Noop(m); |
1566 |
|
|
1567 |
|
if (fFirst) f.complete(v1); else g.complete(v2); |
1568 |
|
if (!createIncomplete) |
1593 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1594 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1595 |
|
final CFException ex = new CFException(); |
1596 |
< |
final Noop r = new Noop(); |
1596 |
> |
final Noop r = new Noop(m); |
1597 |
|
|
1598 |
|
(fFirst ? f : g).complete(v1); |
1599 |
|
if (!createIncomplete) |
1621 |
|
{ |
1622 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1623 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1624 |
< |
final FailingRunnable r = new FailingRunnable(); |
1624 |
> |
final FailingRunnable r = new FailingRunnable(m); |
1625 |
|
|
1626 |
|
CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r); |
1627 |
|
if (fFirst) { |
1651 |
|
{ |
1652 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1653 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1654 |
< |
final Noop r = new Noop(); |
1654 |
> |
final Noop r = new Noop(m); |
1655 |
|
|
1656 |
|
|
1657 |
|
(fFirst ? f : g).complete(v1); |
1682 |
|
{ |
1683 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1684 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1685 |
< |
final IncFunction r = new IncFunction(); |
1685 |
> |
final IncFunction r = new IncFunction(m); |
1686 |
|
|
1687 |
|
if (!createIncomplete) |
1688 |
|
if (fFirst) f.complete(v1); else g.complete(v2); |
1708 |
|
{ |
1709 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1710 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1711 |
< |
final IncFunction r = new IncFunction(); |
1711 |
> |
final IncFunction r = new IncFunction(m); |
1712 |
|
|
1713 |
|
if (fFirst) { |
1714 |
|
f.complete(v1); |
1742 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1743 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1744 |
|
final CFException ex = new CFException(); |
1745 |
< |
final IncFunction r = new IncFunction(); |
1745 |
> |
final IncFunction r = new IncFunction(m); |
1746 |
|
|
1747 |
|
if (!createIncomplete) (fFirst ? f : g).completeExceptionally(ex); |
1748 |
|
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
1769 |
|
{ |
1770 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1771 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1772 |
< |
final IncFunction r1 = new IncFunction(); |
1773 |
< |
final IncFunction r2 = new IncFunction(); |
1772 |
> |
final IncFunction r1 = new IncFunction(m); |
1773 |
> |
final IncFunction r2 = new IncFunction(m); |
1774 |
|
final CFException ex = new CFException(); |
1775 |
|
final CompletableFuture<Integer> j = (reverseArgs ? g : f); |
1776 |
|
final CompletableFuture<Integer> k = (reverseArgs ? f : g); |
1815 |
|
{ |
1816 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1817 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1818 |
< |
final FailingFunction r = new FailingFunction(); |
1818 |
> |
final FailingFunction r = new FailingFunction(m); |
1819 |
|
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
1820 |
|
|
1821 |
|
f.complete(v1); |
1832 |
|
{ |
1833 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1834 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1835 |
< |
final FailingFunction r = new FailingFunction(); |
1835 |
> |
final FailingFunction r = new FailingFunction(m); |
1836 |
|
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
1837 |
|
|
1838 |
|
g.complete(v2); |
1854 |
|
{ |
1855 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1856 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1857 |
< |
final IncFunction r = new IncFunction(); |
1857 |
> |
final IncFunction r = new IncFunction(m); |
1858 |
|
|
1859 |
|
if (!createIncomplete) assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1860 |
|
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
1882 |
|
{ |
1883 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1884 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1885 |
< |
final IncFunction r1 = new IncFunction(); |
1886 |
< |
final IncFunction r2 = new IncFunction(); |
1885 |
> |
final IncFunction r1 = new IncFunction(m); |
1886 |
> |
final IncFunction r2 = new IncFunction(m); |
1887 |
|
final CFException ex = new CFException(); |
1888 |
|
final CompletableFuture<Integer> j = (reverseArgs ? g : f); |
1889 |
|
final CompletableFuture<Integer> k = (reverseArgs ? f : g); |
2095 |
|
{ |
2096 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2097 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2098 |
< |
final FailingConsumer r = new FailingConsumer(); |
2098 |
> |
final FailingConsumer r = new FailingConsumer(m); |
2099 |
|
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2100 |
|
|
2101 |
|
f.complete(v1); |
2112 |
|
{ |
2113 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2114 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2115 |
< |
final FailingConsumer r = new FailingConsumer(); |
2115 |
> |
final FailingConsumer r = new FailingConsumer(m); |
2116 |
|
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2117 |
|
|
2118 |
|
g.complete(v2); |
2232 |
|
{ |
2233 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2234 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2235 |
< |
final Noop r = new Noop(); |
2235 |
> |
final Noop r = new Noop(m); |
2236 |
|
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2237 |
|
|
2238 |
|
f.complete(v1); |
2253 |
|
{ |
2254 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2255 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2256 |
< |
final Noop r = new Noop(); |
2256 |
> |
final Noop r = new Noop(m); |
2257 |
|
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2258 |
|
|
2259 |
|
g.complete(v2); |
2274 |
|
{ |
2275 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2276 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2277 |
< |
final Noop r = new Noop(); |
2277 |
> |
final Noop r = new Noop(m); |
2278 |
|
|
2279 |
|
f.complete(v1); |
2280 |
|
g.complete(v2); |
2296 |
|
{ |
2297 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2298 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2299 |
< |
final Noop r = new Noop(); |
2299 |
> |
final Noop r = new Noop(m); |
2300 |
|
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2301 |
|
final CFException ex = new CFException(); |
2302 |
|
|
2316 |
|
{ |
2317 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2318 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2319 |
< |
final Noop r = new Noop(); |
2319 |
> |
final Noop r = new Noop(m); |
2320 |
|
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2321 |
|
final CFException ex = new CFException(); |
2322 |
|
|
2336 |
|
{ |
2337 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2338 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2339 |
< |
final Noop r = new Noop(); |
2339 |
> |
final Noop r = new Noop(m); |
2340 |
|
final CFException ex = new CFException(); |
2341 |
|
|
2342 |
|
g.completeExceptionally(ex); |
2363 |
|
{ |
2364 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2365 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2366 |
< |
final Noop r = new Noop(); |
2366 |
> |
final Noop r = new Noop(m); |
2367 |
|
final CFException ex = new CFException(); |
2368 |
|
|
2369 |
|
f.completeExceptionally(ex); |
2394 |
|
{ |
2395 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2396 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2397 |
< |
final FailingRunnable r = new FailingRunnable(); |
2397 |
> |
final FailingRunnable r = new FailingRunnable(m); |
2398 |
|
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2399 |
|
|
2400 |
|
f.complete(v1); |
2411 |
|
{ |
2412 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2413 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2414 |
< |
final FailingRunnable r = new FailingRunnable(); |
2414 |
> |
final FailingRunnable r = new FailingRunnable(m); |
2415 |
|
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2416 |
|
|
2417 |
|
g.complete(v2); |
2431 |
|
{ |
2432 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2433 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2434 |
< |
final Noop r = new Noop(); |
2434 |
> |
final Noop r = new Noop(m); |
2435 |
|
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2436 |
|
|
2437 |
|
assertTrue(f.cancel(mayInterruptIfRunning)); |
2451 |
|
{ |
2452 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2453 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2454 |
< |
final Noop r = new Noop(); |
2454 |
> |
final Noop r = new Noop(m); |
2455 |
|
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2456 |
|
|
2457 |
|
assertTrue(g.cancel(mayInterruptIfRunning)); |
2471 |
|
{ |
2472 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2473 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2474 |
< |
final Noop r = new Noop(); |
2474 |
> |
final Noop r = new Noop(m); |
2475 |
|
|
2476 |
|
assertTrue(g.cancel(mayInterruptIfRunning)); |
2477 |
|
f.complete(v1); |
2498 |
|
{ |
2499 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2500 |
|
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2501 |
< |
final Noop r = new Noop(); |
2501 |
> |
final Noop r = new Noop(m); |
2502 |
|
|
2503 |
|
assertTrue(f.cancel(mayInterruptIfRunning)); |
2504 |
|
g.complete(v1); |
2527 |
|
for (Integer v1 : new Integer[] { 1, null }) |
2528 |
|
{ |
2529 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2530 |
< |
final CompletableFutureInc r = new CompletableFutureInc(); |
2530 |
> |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2531 |
|
if (!createIncomplete) f.complete(v1); |
2532 |
< |
final CompletableFuture<Integer> g = f.thenCompose(r); |
2532 |
> |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2533 |
|
if (createIncomplete) f.complete(v1); |
2534 |
|
|
2535 |
|
checkCompletedNormally(g, inc(v1)); |
2546 |
|
for (boolean createIncomplete : new boolean[] { true, false }) |
2547 |
|
{ |
2548 |
|
final CFException ex = new CFException(); |
2549 |
< |
final CompletableFutureInc r = new CompletableFutureInc(); |
2549 |
> |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2550 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2551 |
|
if (!createIncomplete) f.completeExceptionally(ex); |
2552 |
< |
final CompletableFuture<Integer> g = f.thenCompose(r); |
2552 |
> |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2553 |
|
if (createIncomplete) f.completeExceptionally(ex); |
2554 |
|
|
2555 |
|
checkCompletedWithWrappedCFException(g, ex); |
2567 |
|
{ |
2568 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2569 |
|
final FailingCompletableFutureFunction r |
2570 |
< |
= new FailingCompletableFutureFunction(); |
2570 |
> |
= new FailingCompletableFutureFunction(m); |
2571 |
|
if (!createIncomplete) f.complete(v1); |
2572 |
< |
final CompletableFuture<Integer> g = f.thenCompose(r); |
2572 |
> |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2573 |
|
if (createIncomplete) f.complete(v1); |
2574 |
|
|
2575 |
|
checkCompletedWithWrappedCFException(g); |
2585 |
|
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2586 |
|
{ |
2587 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2588 |
< |
final CompletableFutureInc r = new CompletableFutureInc(); |
2588 |
> |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2589 |
|
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
2590 |
< |
final CompletableFuture<Integer> g = f.thenCompose(r); |
2590 |
> |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2591 |
|
if (createIncomplete) { |
2592 |
|
checkIncomplete(g); |
2593 |
|
assertTrue(f.cancel(mayInterruptIfRunning)); |
2614 |
|
*/ |
2615 |
|
public void testAllOf_normal() throws Exception { |
2616 |
|
for (int k = 1; k < 20; ++k) { |
2617 |
< |
CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
2617 |
> |
CompletableFuture<Integer>[] fs |
2618 |
> |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
2619 |
|
for (int i = 0; i < k; ++i) |
2620 |
|
fs[i] = new CompletableFuture<>(); |
2621 |
|
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
2629 |
|
} |
2630 |
|
} |
2631 |
|
|
2632 |
+ |
public void testAllOf_backwards() throws Exception { |
2633 |
+ |
for (int k = 1; k < 20; ++k) { |
2634 |
+ |
CompletableFuture<Integer>[] fs |
2635 |
+ |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
2636 |
+ |
for (int i = 0; i < k; ++i) |
2637 |
+ |
fs[i] = new CompletableFuture<>(); |
2638 |
+ |
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
2639 |
+ |
for (int i = k - 1; i >= 0; i--) { |
2640 |
+ |
checkIncomplete(f); |
2641 |
+ |
checkIncomplete(CompletableFuture.allOf(fs)); |
2642 |
+ |
fs[i].complete(one); |
2643 |
+ |
} |
2644 |
+ |
checkCompletedNormally(f, null); |
2645 |
+ |
checkCompletedNormally(CompletableFuture.allOf(fs), null); |
2646 |
+ |
} |
2647 |
+ |
} |
2648 |
+ |
|
2649 |
|
/** |
2650 |
|
* anyOf(no component futures) returns an incomplete future |
2651 |
|
*/ |
2704 |
|
Runnable[] throwingActions = { |
2705 |
|
() -> CompletableFuture.supplyAsync(null), |
2706 |
|
() -> CompletableFuture.supplyAsync(null, exec), |
2707 |
< |
() -> CompletableFuture.supplyAsync(supplyOne, null), |
2707 |
> |
() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null), |
2708 |
|
|
2709 |
|
() -> CompletableFuture.runAsync(null), |
2710 |
|
() -> CompletableFuture.runAsync(null, exec), |
2777 |
|
|
2778 |
|
() -> f.thenCompose(null), |
2779 |
|
() -> f.thenComposeAsync(null), |
2780 |
< |
() -> f.thenComposeAsync(new CompletableFutureInc(), null), |
2780 |
> |
() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null), |
2781 |
|
() -> f.thenComposeAsync(null, exec), |
2782 |
|
|
2783 |
|
() -> f.exceptionally(null), |