716 |
|
final AtomicInteger ran = new AtomicInteger(0); |
717 |
|
final CustomExecutor p = new CustomExecutor(poolSize); |
718 |
|
CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
719 |
< |
CheckedRunnable waiter = new CheckedRunnable() { public void realRun() { |
719 |
> |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
720 |
|
threadsStarted.countDown(); |
721 |
|
try { |
722 |
|
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
726 |
|
for (int i = 0; i < count; i++) |
727 |
|
p.execute(waiter); |
728 |
|
assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
729 |
+ |
assertEquals(poolSize, p.getActiveCount()); |
730 |
+ |
assertEquals(0, p.getCompletedTaskCount()); |
731 |
|
final List<Runnable> queuedTasks; |
732 |
|
try { |
733 |
|
queuedTasks = p.shutdownNow(); |
740 |
|
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
741 |
|
assertTrue(p.isTerminated()); |
742 |
|
assertEquals(poolSize, ran.get()); |
743 |
+ |
assertEquals(poolSize, p.getCompletedTaskCount()); |
744 |
|
} |
745 |
|
|
746 |
|
/** |
779 |
|
} |
780 |
|
|
781 |
|
/** |
782 |
< |
* In default setting, shutdown cancels periodic but not delayed |
783 |
< |
* tasks at shutdown |
782 |
> |
* By default, periodic tasks are cancelled at shutdown. |
783 |
> |
* By default, delayed tasks keep running after shutdown. |
784 |
> |
* Check that changing the default values work: |
785 |
> |
* - setExecuteExistingDelayedTasksAfterShutdownPolicy |
786 |
> |
* - setContinueExistingPeriodicTasksAfterShutdownPolicy |
787 |
|
*/ |
788 |
< |
public void testShutdown1() throws InterruptedException { |
789 |
< |
CustomExecutor p = new CustomExecutor(1); |
790 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
791 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
788 |
> |
public void testShutdown_cancellation() throws Exception { |
789 |
> |
Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE }; |
790 |
> |
for (Boolean policy : allBooleans) |
791 |
> |
{ |
792 |
> |
final int poolSize = 2; |
793 |
> |
final CustomExecutor p = new CustomExecutor(poolSize); |
794 |
> |
final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE); |
795 |
> |
final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE); |
796 |
> |
final boolean effectiveRemovePolicy = (policy == Boolean.TRUE); |
797 |
> |
if (policy != null) { |
798 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy); |
799 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy); |
800 |
> |
p.setRemoveOnCancelPolicy(policy); |
801 |
> |
} |
802 |
> |
assertEquals(effectiveDelayedPolicy, |
803 |
> |
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
804 |
> |
assertEquals(effectivePeriodicPolicy, |
805 |
> |
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
806 |
> |
assertEquals(effectiveRemovePolicy, |
807 |
> |
p.getRemoveOnCancelPolicy()); |
808 |
> |
// Strategy: Wedge the pool with poolSize "blocker" threads |
809 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
810 |
> |
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
811 |
> |
final CountDownLatch unblock = new CountDownLatch(1); |
812 |
> |
final CountDownLatch periodicLatch1 = new CountDownLatch(2); |
813 |
> |
final CountDownLatch periodicLatch2 = new CountDownLatch(2); |
814 |
> |
Runnable task = new CheckedRunnable() { public void realRun() |
815 |
> |
throws InterruptedException { |
816 |
> |
poolBlocked.countDown(); |
817 |
> |
assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS)); |
818 |
> |
ran.getAndIncrement(); |
819 |
> |
}}; |
820 |
> |
List<Future<?>> blockers = new ArrayList<>(); |
821 |
> |
List<Future<?>> periodics = new ArrayList<>(); |
822 |
> |
List<Future<?>> delayeds = new ArrayList<>(); |
823 |
> |
for (int i = 0; i < poolSize; i++) |
824 |
> |
blockers.add(p.submit(task)); |
825 |
> |
assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS)); |
826 |
> |
|
827 |
> |
periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1), |
828 |
> |
1, 1, MILLISECONDS)); |
829 |
> |
periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2), |
830 |
> |
1, 1, MILLISECONDS)); |
831 |
> |
delayeds.add(p.schedule(task, 1, MILLISECONDS)); |
832 |
|
|
833 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
834 |
< |
for (int i = 0; i < tasks.length; i++) |
789 |
< |
tasks[i] = p.schedule(new NoOpRunnable(), |
790 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
833 |
> |
assertTrue(p.getQueue().containsAll(periodics)); |
834 |
> |
assertTrue(p.getQueue().containsAll(delayeds)); |
835 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
792 |
– |
BlockingQueue<Runnable> q = p.getQueue(); |
793 |
– |
for (ScheduledFuture task : tasks) { |
794 |
– |
assertFalse(task.isDone()); |
795 |
– |
assertFalse(task.isCancelled()); |
796 |
– |
assertTrue(q.contains(task)); |
797 |
– |
} |
836 |
|
assertTrue(p.isShutdown()); |
837 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
838 |
< |
assertTrue(p.isTerminated()); |
839 |
< |
for (ScheduledFuture task : tasks) { |
840 |
< |
assertTrue(task.isDone()); |
841 |
< |
assertFalse(task.isCancelled()); |
837 |
> |
assertFalse(p.isTerminated()); |
838 |
> |
for (Future<?> periodic : periodics) { |
839 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled()); |
840 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isDone()); |
841 |
> |
} |
842 |
> |
for (Future<?> delayed : delayeds) { |
843 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled()); |
844 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isDone()); |
845 |
> |
} |
846 |
> |
if (testImplementationDetails) { |
847 |
> |
assertEquals(effectivePeriodicPolicy, |
848 |
> |
p.getQueue().containsAll(periodics)); |
849 |
> |
assertEquals(effectiveDelayedPolicy, |
850 |
> |
p.getQueue().containsAll(delayeds)); |
851 |
> |
} |
852 |
> |
// Release all pool threads |
853 |
> |
unblock.countDown(); |
854 |
> |
|
855 |
> |
for (Future<?> delayed : delayeds) { |
856 |
> |
if (effectiveDelayedPolicy) { |
857 |
> |
assertNull(delayed.get()); |
858 |
> |
} |
859 |
> |
} |
860 |
> |
if (effectivePeriodicPolicy) { |
861 |
> |
assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS)); |
862 |
> |
assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS)); |
863 |
> |
for (Future<?> periodic : periodics) { |
864 |
> |
assertTrue(periodic.cancel(false)); |
865 |
> |
assertTrue(periodic.isCancelled()); |
866 |
> |
assertTrue(periodic.isDone()); |
867 |
> |
} |
868 |
|
} |
869 |
< |
} |
806 |
< |
|
807 |
< |
/** |
808 |
< |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
809 |
< |
* delayed tasks are cancelled at shutdown |
810 |
< |
*/ |
811 |
< |
public void testShutdown2() throws InterruptedException { |
812 |
< |
CustomExecutor p = new CustomExecutor(1); |
813 |
< |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
814 |
< |
assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
815 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
816 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
817 |
< |
for (int i = 0; i < tasks.length; i++) |
818 |
< |
tasks[i] = p.schedule(new NoOpRunnable(), |
819 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
820 |
< |
BlockingQueue q = p.getQueue(); |
821 |
< |
assertEquals(tasks.length, q.size()); |
822 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
823 |
< |
assertTrue(p.isShutdown()); |
824 |
< |
assertTrue(q.isEmpty()); |
825 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
869 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
870 |
|
assertTrue(p.isTerminated()); |
871 |
< |
for (ScheduledFuture task : tasks) { |
872 |
< |
assertTrue(task.isDone()); |
829 |
< |
assertTrue(task.isCancelled()); |
830 |
< |
} |
831 |
< |
} |
832 |
< |
|
833 |
< |
/** |
834 |
< |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
835 |
< |
* periodic tasks are cancelled at shutdown |
836 |
< |
*/ |
837 |
< |
public void testShutdown3() throws InterruptedException { |
838 |
< |
CustomExecutor p = new CustomExecutor(1); |
839 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
840 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
841 |
< |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
842 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
843 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
844 |
< |
long initialDelay = LONG_DELAY_MS; |
845 |
< |
ScheduledFuture task = |
846 |
< |
p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay, |
847 |
< |
5, MILLISECONDS); |
848 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
849 |
< |
assertTrue(p.isShutdown()); |
850 |
< |
assertTrue(p.getQueue().isEmpty()); |
851 |
< |
assertTrue(task.isDone()); |
852 |
< |
assertTrue(task.isCancelled()); |
853 |
< |
joinPool(p); |
854 |
< |
} |
855 |
< |
|
856 |
< |
/** |
857 |
< |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
858 |
< |
* periodic tasks are not cancelled at shutdown |
859 |
< |
*/ |
860 |
< |
public void testShutdown4() throws InterruptedException { |
861 |
< |
CustomExecutor p = new CustomExecutor(1); |
862 |
< |
final CountDownLatch counter = new CountDownLatch(2); |
863 |
< |
try { |
864 |
< |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
865 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
866 |
< |
assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
867 |
< |
final Runnable r = new CheckedRunnable() { |
868 |
< |
public void realRun() { |
869 |
< |
counter.countDown(); |
870 |
< |
}}; |
871 |
< |
ScheduledFuture task = |
872 |
< |
p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS); |
873 |
< |
assertFalse(task.isDone()); |
874 |
< |
assertFalse(task.isCancelled()); |
875 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
876 |
< |
assertFalse(task.isCancelled()); |
877 |
< |
assertFalse(p.isTerminated()); |
878 |
< |
assertTrue(p.isShutdown()); |
879 |
< |
assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS)); |
880 |
< |
assertFalse(task.isCancelled()); |
881 |
< |
assertTrue(task.cancel(false)); |
882 |
< |
assertTrue(task.isDone()); |
883 |
< |
assertTrue(task.isCancelled()); |
884 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
885 |
< |
assertTrue(p.isTerminated()); |
886 |
< |
} |
887 |
< |
finally { |
888 |
< |
joinPool(p); |
889 |
< |
} |
890 |
< |
} |
871 |
> |
assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get()); |
872 |
> |
}} |
873 |
|
|
874 |
|
/** |
875 |
|
* completed submit of callable returns result |