32 |
|
import java.util.concurrent.ForkJoinTask; |
33 |
|
import java.util.concurrent.RejectedExecutionException; |
34 |
|
import java.util.concurrent.TimeoutException; |
35 |
– |
import java.util.concurrent.TimeUnit; |
35 |
|
import java.util.concurrent.atomic.AtomicInteger; |
36 |
|
import java.util.concurrent.atomic.AtomicReference; |
37 |
|
import java.util.function.BiConsumer; |
361 |
|
checkCompletedNormally(f, "test"); |
362 |
|
} |
363 |
|
|
364 |
< |
abstract class CheckedAction { |
364 |
> |
abstract static class CheckedAction { |
365 |
|
int invocationCount = 0; |
366 |
|
final ExecutionMode m; |
367 |
|
CheckedAction(ExecutionMode m) { this.m = m; } |
373 |
|
void assertInvoked() { assertEquals(1, invocationCount); } |
374 |
|
} |
375 |
|
|
376 |
< |
abstract class CheckedIntegerAction extends CheckedAction { |
376 |
> |
abstract static class CheckedIntegerAction extends CheckedAction { |
377 |
|
Integer value; |
378 |
|
CheckedIntegerAction(ExecutionMode m) { super(m); } |
379 |
|
void assertValue(Integer expected) { |
382 |
|
} |
383 |
|
} |
384 |
|
|
385 |
< |
class IntegerSupplier extends CheckedAction |
385 |
> |
static class IntegerSupplier extends CheckedAction |
386 |
|
implements Supplier<Integer> |
387 |
|
{ |
388 |
|
final Integer value; |
401 |
|
return (x == null) ? null : x + 1; |
402 |
|
} |
403 |
|
|
404 |
< |
class NoopConsumer extends CheckedIntegerAction |
404 |
> |
static class NoopConsumer extends CheckedIntegerAction |
405 |
|
implements Consumer<Integer> |
406 |
|
{ |
407 |
|
NoopConsumer(ExecutionMode m) { super(m); } |
411 |
|
} |
412 |
|
} |
413 |
|
|
414 |
< |
class IncFunction extends CheckedIntegerAction |
414 |
> |
static class IncFunction extends CheckedIntegerAction |
415 |
|
implements Function<Integer,Integer> |
416 |
|
{ |
417 |
|
IncFunction(ExecutionMode m) { super(m); } |
429 |
|
- ((y == null) ? 99 : y.intValue()); |
430 |
|
} |
431 |
|
|
432 |
< |
class SubtractAction extends CheckedIntegerAction |
432 |
> |
static class SubtractAction extends CheckedIntegerAction |
433 |
|
implements BiConsumer<Integer, Integer> |
434 |
|
{ |
435 |
|
SubtractAction(ExecutionMode m) { super(m); } |
439 |
|
} |
440 |
|
} |
441 |
|
|
442 |
< |
class SubtractFunction extends CheckedIntegerAction |
442 |
> |
static class SubtractFunction extends CheckedIntegerAction |
443 |
|
implements BiFunction<Integer, Integer, Integer> |
444 |
|
{ |
445 |
|
SubtractFunction(ExecutionMode m) { super(m); } |
449 |
|
} |
450 |
|
} |
451 |
|
|
452 |
< |
class Noop extends CheckedAction implements Runnable { |
452 |
> |
static class Noop extends CheckedAction implements Runnable { |
453 |
|
Noop(ExecutionMode m) { super(m); } |
454 |
|
public void run() { |
455 |
|
invoked(); |
456 |
|
} |
457 |
|
} |
458 |
|
|
459 |
< |
class FailingSupplier extends CheckedAction |
459 |
> |
static class FailingSupplier extends CheckedAction |
460 |
|
implements Supplier<Integer> |
461 |
|
{ |
462 |
|
final CFException ex; |
467 |
|
} |
468 |
|
} |
469 |
|
|
470 |
< |
class FailingConsumer extends CheckedIntegerAction |
470 |
> |
static class FailingConsumer extends CheckedIntegerAction |
471 |
|
implements Consumer<Integer> |
472 |
|
{ |
473 |
|
final CFException ex; |
479 |
|
} |
480 |
|
} |
481 |
|
|
482 |
< |
class FailingBiConsumer extends CheckedIntegerAction |
482 |
> |
static class FailingBiConsumer extends CheckedIntegerAction |
483 |
|
implements BiConsumer<Integer, Integer> |
484 |
|
{ |
485 |
|
final CFException ex; |
491 |
|
} |
492 |
|
} |
493 |
|
|
494 |
< |
class FailingFunction extends CheckedIntegerAction |
494 |
> |
static class FailingFunction extends CheckedIntegerAction |
495 |
|
implements Function<Integer, Integer> |
496 |
|
{ |
497 |
|
final CFException ex; |
503 |
|
} |
504 |
|
} |
505 |
|
|
506 |
< |
class FailingBiFunction extends CheckedIntegerAction |
506 |
> |
static class FailingBiFunction extends CheckedIntegerAction |
507 |
|
implements BiFunction<Integer, Integer, Integer> |
508 |
|
{ |
509 |
|
final CFException ex; |
515 |
|
} |
516 |
|
} |
517 |
|
|
518 |
< |
class FailingRunnable extends CheckedAction implements Runnable { |
518 |
> |
static class FailingRunnable extends CheckedAction implements Runnable { |
519 |
|
final CFException ex; |
520 |
|
FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); } |
521 |
|
public void run() { |
524 |
|
} |
525 |
|
} |
526 |
|
|
527 |
< |
class CompletableFutureInc extends CheckedIntegerAction |
527 |
> |
static class CompletableFutureInc extends CheckedIntegerAction |
528 |
|
implements Function<Integer, CompletableFuture<Integer>> |
529 |
|
{ |
530 |
|
CompletableFutureInc(ExecutionMode m) { super(m); } |
537 |
|
} |
538 |
|
} |
539 |
|
|
540 |
< |
class FailingCompletableFutureFunction extends CheckedIntegerAction |
540 |
> |
static class FailingCompletableFutureFunction extends CheckedIntegerAction |
541 |
|
implements Function<Integer, CompletableFuture<Integer>> |
542 |
|
{ |
543 |
|
final CFException ex; |
3851 |
|
final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42); |
3852 |
|
final CompletableFuture<Integer> incomplete = new CompletableFuture<>(); |
3853 |
|
|
3854 |
+ |
final Runnable noopRunnable = new Noop(m); |
3855 |
+ |
final Consumer<Integer> noopConsumer = new NoopConsumer(m); |
3856 |
+ |
final Function<Integer, Integer> incFunction = new IncFunction(m); |
3857 |
+ |
|
3858 |
|
List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs |
3859 |
|
= new ArrayList<>(); |
3860 |
|
|
3861 |
< |
funs.add((y) -> m.thenRun(y, new Noop(m))); |
3862 |
< |
funs.add((y) -> m.thenAccept(y, new NoopConsumer(m))); |
3863 |
< |
funs.add((y) -> m.thenApply(y, new IncFunction(m))); |
3864 |
< |
|
3865 |
< |
funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m))); |
3866 |
< |
funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m))); |
3867 |
< |
funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m))); |
3861 |
> |
funs.add((y) -> m.thenRun(y, noopRunnable)); |
3862 |
> |
funs.add((y) -> m.thenAccept(y, noopConsumer)); |
3863 |
> |
funs.add((y) -> m.thenApply(y, incFunction)); |
3864 |
> |
|
3865 |
> |
funs.add((y) -> m.runAfterEither(y, incomplete, noopRunnable)); |
3866 |
> |
funs.add((y) -> m.acceptEither(y, incomplete, noopConsumer)); |
3867 |
> |
funs.add((y) -> m.applyToEither(y, incomplete, incFunction)); |
3868 |
|
|
3869 |
< |
funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m))); |
3870 |
< |
funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m))); |
3869 |
> |
funs.add((y) -> m.runAfterBoth(y, v42, noopRunnable)); |
3870 |
> |
funs.add((y) -> m.runAfterBoth(v42, y, noopRunnable)); |
3871 |
|
funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m))); |
3872 |
|
funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m))); |
3873 |
|
funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m))); |
3877 |
|
|
3878 |
|
funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m))); |
3879 |
|
|
3880 |
< |
funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y})); |
3881 |
< |
funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42})); |
3882 |
< |
funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y})); |
3883 |
< |
funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y})); |
3884 |
< |
funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete})); |
3885 |
< |
funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y})); |
3880 |
> |
funs.add((y) -> CompletableFuture.allOf(y)); |
3881 |
> |
funs.add((y) -> CompletableFuture.allOf(y, v42)); |
3882 |
> |
funs.add((y) -> CompletableFuture.allOf(v42, y)); |
3883 |
> |
funs.add((y) -> CompletableFuture.anyOf(y)); |
3884 |
> |
funs.add((y) -> CompletableFuture.anyOf(y, incomplete)); |
3885 |
> |
funs.add((y) -> CompletableFuture.anyOf(incomplete, y)); |
3886 |
|
|
3887 |
|
for (Function<CompletableFuture<Integer>, CompletableFuture<?>> |
3888 |
|
fun : funs) { |
3889 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3890 |
|
f.completeExceptionally(ex); |
3891 |
< |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3891 |
> |
CompletableFuture<Integer> src = m.thenApply(f, incFunction); |
3892 |
|
checkCompletedWithWrappedException(src, ex); |
3893 |
|
CompletableFuture<?> dep = fun.apply(src); |
3894 |
|
checkCompletedWithWrappedException(dep, ex); |
3898 |
|
for (Function<CompletableFuture<Integer>, CompletableFuture<?>> |
3899 |
|
fun : funs) { |
3900 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3901 |
< |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3901 |
> |
CompletableFuture<Integer> src = m.thenApply(f, incFunction); |
3902 |
|
CompletableFuture<?> dep = fun.apply(src); |
3903 |
|
f.completeExceptionally(ex); |
3904 |
|
checkCompletedWithWrappedException(src, ex); |
3912 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3913 |
|
f.cancel(mayInterruptIfRunning); |
3914 |
|
checkCancelled(f); |
3915 |
< |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3915 |
> |
CompletableFuture<Integer> src = m.thenApply(f, incFunction); |
3916 |
|
checkCompletedWithWrappedCancellationException(src); |
3917 |
|
CompletableFuture<?> dep = fun.apply(src); |
3918 |
|
checkCompletedWithWrappedCancellationException(dep); |
3923 |
|
for (Function<CompletableFuture<Integer>, CompletableFuture<?>> |
3924 |
|
fun : funs) { |
3925 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3926 |
< |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3926 |
> |
CompletableFuture<Integer> src = m.thenApply(f, incFunction); |
3927 |
|
CompletableFuture<?> dep = fun.apply(src); |
3928 |
|
f.cancel(mayInterruptIfRunning); |
3929 |
|
checkCancelled(f); |
3934 |
|
}} |
3935 |
|
|
3936 |
|
/** |
3937 |
< |
* Minimal completion stages throw UOE for all non-CompletionStage methods |
3937 |
> |
* Minimal completion stages throw UOE for most non-CompletionStage methods |
3938 |
|
*/ |
3939 |
|
public void testMinimalCompletionStage_minimality() { |
3940 |
|
if (!testImplementationDetails) return; |
3963 |
|
.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method))) |
3964 |
|
.collect(Collectors.toList()); |
3965 |
|
|
3966 |
< |
CompletionStage<Integer> minimalStage = |
3967 |
< |
new CompletableFuture<Integer>().minimalCompletionStage(); |
3966 |
> |
List<CompletionStage<Integer>> stages = new ArrayList<>(); |
3967 |
> |
stages.add(new CompletableFuture<Integer>().minimalCompletionStage()); |
3968 |
> |
stages.add(CompletableFuture.completedStage(1)); |
3969 |
> |
stages.add(CompletableFuture.failedStage(new CFException())); |
3970 |
|
|
3971 |
|
List<Method> bugs = new ArrayList<>(); |
3972 |
|
for (Method method : allMethods) { |
3982 |
|
else if (parameterTypes[i] == long.class) |
3983 |
|
args[i] = 0L; |
3984 |
|
} |
3985 |
< |
try { |
3986 |
< |
method.invoke(minimalStage, args); |
3987 |
< |
bugs.add(method); |
3983 |
< |
} |
3984 |
< |
catch (java.lang.reflect.InvocationTargetException expected) { |
3985 |
< |
if (! (expected.getCause() instanceof UnsupportedOperationException)) { |
3985 |
> |
for (CompletionStage<Integer> stage : stages) { |
3986 |
> |
try { |
3987 |
> |
method.invoke(stage, args); |
3988 |
|
bugs.add(method); |
3987 |
– |
// expected.getCause().printStackTrace(); |
3989 |
|
} |
3990 |
+ |
catch (java.lang.reflect.InvocationTargetException expected) { |
3991 |
+ |
if (! (expected.getCause() instanceof UnsupportedOperationException)) { |
3992 |
+ |
bugs.add(method); |
3993 |
+ |
// expected.getCause().printStackTrace(); |
3994 |
+ |
} |
3995 |
+ |
} |
3996 |
+ |
catch (ReflectiveOperationException bad) { throw new Error(bad); } |
3997 |
|
} |
3990 |
– |
catch (ReflectiveOperationException bad) { throw new Error(bad); } |
3998 |
|
} |
3999 |
|
if (!bugs.isEmpty()) |
4000 |
< |
throw new Error("Methods did not throw UOE: " + bugs.toString()); |
4000 |
> |
throw new Error("Methods did not throw UOE: " + bugs); |
4001 |
|
} |
4002 |
|
|
4003 |
|
static class Monad { |
4241 |
|
} |
4242 |
|
} |
4243 |
|
|
4244 |
< |
/* |
4245 |
< |
* Tests below currently fail in stress mode due to memory retention. |
4246 |
< |
* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck |
4244 |
> |
/** |
4245 |
> |
* Reproduction recipe for: |
4246 |
> |
* 8160402: Garbage retention with CompletableFuture.anyOf |
4247 |
> |
* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A |
4248 |
|
*/ |
4241 |
– |
|
4242 |
– |
/** Checks for garbage retention with anyOf. */ |
4249 |
|
public void testAnyOfGarbageRetention() throws Throwable { |
4250 |
|
for (Integer v : new Integer[] { 1, null }) |
4251 |
|
{ |
4259 |
|
checkCompletedNormally(CompletableFuture.anyOf(fs), v); |
4260 |
|
}} |
4261 |
|
|
4262 |
< |
/** Checks for garbage retention with allOf. */ |
4262 |
> |
/** |
4263 |
> |
* Checks for garbage retention with allOf. |
4264 |
> |
* |
4265 |
> |
* As of 2016-07, fails with OOME: |
4266 |
> |
* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck |
4267 |
> |
*/ |
4268 |
|
public void testCancelledAllOfGarbageRetention() throws Throwable { |
4269 |
|
final int n = expensiveTests ? 100_000 : 10; |
4270 |
|
CompletableFuture<Integer>[] fs |
4275 |
|
assertTrue(CompletableFuture.allOf(fs).cancel(false)); |
4276 |
|
} |
4277 |
|
|
4278 |
+ |
/** |
4279 |
+ |
* Checks for garbage retention when a dependent future is |
4280 |
+ |
* cancelled and garbage-collected. |
4281 |
+ |
* 8161600: Garbage retention when source CompletableFutures are never completed |
4282 |
+ |
* |
4283 |
+ |
* As of 2016-07, fails with OOME: |
4284 |
+ |
* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck |
4285 |
+ |
*/ |
4286 |
+ |
public void testCancelledGarbageRetention() throws Throwable { |
4287 |
+ |
final int n = expensiveTests ? 100_000 : 10; |
4288 |
+ |
CompletableFuture<Integer> neverCompleted = new CompletableFuture<>(); |
4289 |
+ |
for (int i = 0; i < n; i++) |
4290 |
+ |
assertTrue(neverCompleted.thenRun(() -> {}).cancel(true)); |
4291 |
+ |
} |
4292 |
+ |
|
4293 |
|
// static <U> U join(CompletionStage<U> stage) { |
4294 |
|
// CompletableFuture<U> f = new CompletableFuture<>(); |
4295 |
|
// stage.whenComplete((v, ex) -> { |