656 |
|
* shutdownNow returns a list containing tasks that were not run, |
657 |
|
* and those tasks are drained from the queue |
658 |
|
*/ |
659 |
+ |
public void testShutdownNow() throws InterruptedException { |
660 |
+ |
final int poolSize = 2; |
661 |
+ |
final int count = 5; |
662 |
+ |
final AtomicInteger ran = new AtomicInteger(0); |
663 |
+ |
final ScheduledThreadPoolExecutor p = |
664 |
+ |
new ScheduledThreadPoolExecutor(poolSize); |
665 |
+ |
CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
666 |
+ |
CheckedRunnable waiter = new CheckedRunnable() { public void realRun() { |
667 |
+ |
threadsStarted.countDown(); |
668 |
+ |
try { |
669 |
+ |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
670 |
+ |
} catch (InterruptedException success) {} |
671 |
+ |
ran.getAndIncrement(); |
672 |
+ |
}}; |
673 |
+ |
for (int i = 0; i < count; i++) |
674 |
+ |
p.execute(waiter); |
675 |
+ |
assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
676 |
+ |
final List<Runnable> queuedTasks; |
677 |
+ |
try { |
678 |
+ |
queuedTasks = p.shutdownNow(); |
679 |
+ |
} catch (SecurityException ok) { |
680 |
+ |
return; // Allowed in case test doesn't have privs |
681 |
+ |
} |
682 |
+ |
assertTrue(p.isShutdown()); |
683 |
+ |
assertTrue(p.getQueue().isEmpty()); |
684 |
+ |
assertEquals(count - poolSize, queuedTasks.size()); |
685 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
686 |
+ |
assertTrue(p.isTerminated()); |
687 |
+ |
assertEquals(poolSize, ran.get()); |
688 |
+ |
} |
689 |
+ |
|
690 |
+ |
/** |
691 |
+ |
* shutdownNow returns a list containing tasks that were not run, |
692 |
+ |
* and those tasks are drained from the queue |
693 |
+ |
*/ |
694 |
|
public void testShutdownNow_delayedTasks() throws InterruptedException { |
695 |
|
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
696 |
|
List<ScheduledFuture> tasks = new ArrayList<>(); |