| 30 |
|
import java.util.concurrent.ThreadPoolExecutor; |
| 31 |
|
import java.util.concurrent.TimeoutException; |
| 32 |
|
import java.util.concurrent.TimeUnit; |
| 33 |
+ |
import java.util.concurrent.atomic.AtomicInteger; |
| 34 |
|
import java.util.concurrent.locks.Condition; |
| 35 |
|
import java.util.concurrent.locks.ReentrantLock; |
| 36 |
|
|
| 700 |
|
} |
| 701 |
|
|
| 702 |
|
/** |
| 703 |
< |
* shutdownNow returns a list containing tasks that were not run |
| 703 |
> |
* shutdownNow returns a list containing tasks that were not run, |
| 704 |
> |
* and those tasks are drained from the queue |
| 705 |
|
*/ |
| 706 |
< |
public void testShutdownNow() { |
| 707 |
< |
ThreadPoolExecutor p = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 708 |
< |
List l; |
| 709 |
< |
try { |
| 710 |
< |
for (int i = 0; i < 5; i++) |
| 711 |
< |
p.execute(new MediumPossiblyInterruptedRunnable()); |
| 712 |
< |
} |
| 713 |
< |
finally { |
| 706 |
> |
public void testShutdownNow() throws InterruptedException { |
| 707 |
> |
final int poolSize = 2; |
| 708 |
> |
final int count = 5; |
| 709 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
| 710 |
> |
ThreadPoolExecutor p = |
| 711 |
> |
new CustomTPE(poolSize, poolSize, LONG_DELAY_MS, MILLISECONDS, |
| 712 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
| 713 |
> |
CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
| 714 |
> |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
| 715 |
> |
threadsStarted.countDown(); |
| 716 |
|
try { |
| 717 |
< |
l = p.shutdownNow(); |
| 718 |
< |
} catch (SecurityException ok) { return; } |
| 717 |
> |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
| 718 |
> |
} catch (InterruptedException success) {} |
| 719 |
> |
ran.getAndIncrement(); |
| 720 |
> |
}}; |
| 721 |
> |
for (int i = 0; i < count; i++) |
| 722 |
> |
p.execute(waiter); |
| 723 |
> |
assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
| 724 |
> |
assertEquals(poolSize, p.getActiveCount()); |
| 725 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
| 726 |
> |
final List<Runnable> queuedTasks; |
| 727 |
> |
try { |
| 728 |
> |
queuedTasks = p.shutdownNow(); |
| 729 |
> |
} catch (SecurityException ok) { |
| 730 |
> |
return; // Allowed in case test doesn't have privs |
| 731 |
|
} |
| 732 |
|
assertTrue(p.isShutdown()); |
| 733 |
< |
assertTrue(l.size() <= 4); |
| 733 |
> |
assertTrue(p.getQueue().isEmpty()); |
| 734 |
> |
assertEquals(count - poolSize, queuedTasks.size()); |
| 735 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 736 |
> |
assertTrue(p.isTerminated()); |
| 737 |
> |
assertEquals(poolSize, ran.get()); |
| 738 |
> |
assertEquals(poolSize, p.getCompletedTaskCount()); |
| 739 |
|
} |
| 740 |
|
|
| 741 |
|
// Exception Tests |
