14 |
|
import java.util.concurrent.ArrayBlockingQueue; |
15 |
|
import java.util.concurrent.BlockingQueue; |
16 |
|
import java.util.concurrent.Callable; |
17 |
+ |
import java.util.concurrent.CancellationException; |
18 |
|
import java.util.concurrent.CountDownLatch; |
19 |
|
import java.util.concurrent.ExecutionException; |
20 |
|
import java.util.concurrent.Executors; |
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 |
|
|
347 |
|
*/ |
348 |
|
public void testGetKeepAliveTime() { |
349 |
|
ThreadPoolExecutor p = new CustomTPE(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
350 |
< |
assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS)); |
350 |
> |
assertEquals(1, p.getKeepAliveTime(SECONDS)); |
351 |
|
joinPool(p); |
352 |
|
} |
353 |
|
|
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 |
> |
CheckedRunnable 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 |
> |
final List<Runnable> queuedTasks; |
725 |
> |
try { |
726 |
> |
queuedTasks = p.shutdownNow(); |
727 |
> |
} catch (SecurityException ok) { |
728 |
> |
return; // Allowed in case test doesn't have privs |
729 |
|
} |
730 |
|
assertTrue(p.isShutdown()); |
731 |
< |
assertTrue(l.size() <= 4); |
731 |
> |
assertTrue(p.getQueue().isEmpty()); |
732 |
> |
assertEquals(count - poolSize, queuedTasks.size()); |
733 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
734 |
> |
assertTrue(p.isTerminated()); |
735 |
> |
assertEquals(poolSize, ran.get()); |
736 |
|
} |
737 |
|
|
738 |
|
// Exception Tests |
1242 |
|
* execute(null) throws NPE |
1243 |
|
*/ |
1244 |
|
public void testExecuteNull() { |
1245 |
< |
ThreadPoolExecutor p = null; |
1245 |
> |
ThreadPoolExecutor p = |
1246 |
> |
new CustomTPE(1, 2, 1L, SECONDS, |
1247 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
1248 |
|
try { |
1228 |
– |
p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1249 |
|
p.execute(null); |
1250 |
|
shouldThrow(); |
1251 |
|
} catch (NullPointerException success) {} |
1756 |
|
public void testTimedInvokeAll6() throws Exception { |
1757 |
|
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1758 |
|
try { |
1759 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1760 |
< |
l.add(new StringTask()); |
1761 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1762 |
< |
l.add(new StringTask()); |
1763 |
< |
List<Future<String>> futures = |
1764 |
< |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1765 |
< |
assertEquals(l.size(), futures.size()); |
1766 |
< |
for (Future future : futures) |
1767 |
< |
assertTrue(future.isDone()); |
1768 |
< |
assertFalse(futures.get(0).isCancelled()); |
1769 |
< |
assertTrue(futures.get(1).isCancelled()); |
1759 |
> |
for (long timeout = timeoutMillis();;) { |
1760 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1761 |
> |
tasks.add(new StringTask("0")); |
1762 |
> |
tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING)); |
1763 |
> |
tasks.add(new StringTask("2")); |
1764 |
> |
long startTime = System.nanoTime(); |
1765 |
> |
List<Future<String>> futures = |
1766 |
> |
e.invokeAll(tasks, timeout, MILLISECONDS); |
1767 |
> |
assertEquals(tasks.size(), futures.size()); |
1768 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1769 |
> |
for (Future future : futures) |
1770 |
> |
assertTrue(future.isDone()); |
1771 |
> |
assertTrue(futures.get(1).isCancelled()); |
1772 |
> |
try { |
1773 |
> |
assertEquals("0", futures.get(0).get()); |
1774 |
> |
assertEquals("2", futures.get(2).get()); |
1775 |
> |
break; |
1776 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1777 |
> |
timeout *= 2; |
1778 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1779 |
> |
fail("expected exactly one task to be cancelled"); |
1780 |
> |
} |
1781 |
> |
} |
1782 |
|
} finally { |
1783 |
|
joinPool(e); |
1784 |
|
} |
1821 |
|
* allowCoreThreadTimeOut(true) causes idle threads to time out |
1822 |
|
*/ |
1823 |
|
public void testAllowCoreThreadTimeOut_true() throws Exception { |
1824 |
< |
long coreThreadTimeOut = SHORT_DELAY_MS; |
1824 |
> |
long keepAliveTime = timeoutMillis(); |
1825 |
|
final ThreadPoolExecutor p = |
1826 |
|
new CustomTPE(2, 10, |
1827 |
< |
coreThreadTimeOut, MILLISECONDS, |
1827 |
> |
keepAliveTime, MILLISECONDS, |
1828 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1829 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
1830 |
|
try { |
1831 |
|
p.allowCoreThreadTimeOut(true); |
1832 |
|
p.execute(new CheckedRunnable() { |
1833 |
< |
public void realRun() throws InterruptedException { |
1833 |
> |
public void realRun() { |
1834 |
|
threadStarted.countDown(); |
1835 |
|
assertEquals(1, p.getPoolSize()); |
1836 |
|
}}); |
1837 |
|
await(threadStarted); |
1838 |
< |
delay(coreThreadTimeOut); |
1838 |
> |
delay(keepAliveTime); |
1839 |
|
long startTime = System.nanoTime(); |
1840 |
|
while (p.getPoolSize() > 0 |
1841 |
|
&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
1851 |
|
* allowCoreThreadTimeOut(false) causes idle threads not to time out |
1852 |
|
*/ |
1853 |
|
public void testAllowCoreThreadTimeOut_false() throws Exception { |
1854 |
< |
long coreThreadTimeOut = SHORT_DELAY_MS; |
1854 |
> |
long keepAliveTime = timeoutMillis(); |
1855 |
|
final ThreadPoolExecutor p = |
1856 |
|
new CustomTPE(2, 10, |
1857 |
< |
coreThreadTimeOut, MILLISECONDS, |
1857 |
> |
keepAliveTime, MILLISECONDS, |
1858 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1859 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
1860 |
|
try { |
1864 |
|
threadStarted.countDown(); |
1865 |
|
assertTrue(p.getPoolSize() >= 1); |
1866 |
|
}}); |
1867 |
< |
delay(2 * coreThreadTimeOut); |
1867 |
> |
delay(2 * keepAliveTime); |
1868 |
|
assertTrue(p.getPoolSize() >= 1); |
1869 |
|
} finally { |
1870 |
|
joinPool(p); |