6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
– |
import junit.framework.*; |
10 |
– |
import java.util.concurrent.*; |
9 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
|
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
11 |
< |
import java.util.*; |
11 |
> |
import static java.util.concurrent.TimeUnit.SECONDS; |
12 |
> |
|
13 |
> |
import java.util.ArrayList; |
14 |
> |
import java.util.List; |
15 |
> |
import java.util.concurrent.ArrayBlockingQueue; |
16 |
> |
import java.util.concurrent.BlockingQueue; |
17 |
> |
import java.util.concurrent.Callable; |
18 |
> |
import java.util.concurrent.CancellationException; |
19 |
> |
import java.util.concurrent.CountDownLatch; |
20 |
> |
import java.util.concurrent.ExecutionException; |
21 |
> |
import java.util.concurrent.Executors; |
22 |
> |
import java.util.concurrent.ExecutorService; |
23 |
> |
import java.util.concurrent.Future; |
24 |
> |
import java.util.concurrent.FutureTask; |
25 |
> |
import java.util.concurrent.LinkedBlockingQueue; |
26 |
> |
import java.util.concurrent.RejectedExecutionException; |
27 |
> |
import java.util.concurrent.RejectedExecutionHandler; |
28 |
> |
import java.util.concurrent.SynchronousQueue; |
29 |
> |
import java.util.concurrent.ThreadFactory; |
30 |
> |
import java.util.concurrent.ThreadPoolExecutor; |
31 |
> |
import java.util.concurrent.TimeUnit; |
32 |
> |
import java.util.concurrent.atomic.AtomicInteger; |
33 |
> |
|
34 |
> |
import junit.framework.Test; |
35 |
> |
import junit.framework.TestSuite; |
36 |
|
|
37 |
|
public class ThreadPoolExecutorTest extends JSR166TestCase { |
38 |
|
public static void main(String[] args) { |
39 |
< |
junit.textui.TestRunner.run(suite()); |
39 |
> |
main(suite(), args); |
40 |
|
} |
41 |
|
public static Test suite() { |
42 |
|
return new TestSuite(ThreadPoolExecutorTest.class); |
132 |
|
*/ |
133 |
|
public void testPrestartCoreThread() { |
134 |
|
final ThreadPoolExecutor p = |
135 |
< |
new ThreadPoolExecutor(2, 2, |
135 |
> |
new ThreadPoolExecutor(2, 6, |
136 |
|
LONG_DELAY_MS, MILLISECONDS, |
137 |
|
new ArrayBlockingQueue<Runnable>(10)); |
138 |
< |
assertEquals(0, p.getPoolSize()); |
139 |
< |
assertTrue(p.prestartCoreThread()); |
140 |
< |
assertEquals(1, p.getPoolSize()); |
141 |
< |
assertTrue(p.prestartCoreThread()); |
142 |
< |
assertEquals(2, p.getPoolSize()); |
143 |
< |
assertFalse(p.prestartCoreThread()); |
144 |
< |
assertEquals(2, p.getPoolSize()); |
145 |
< |
joinPool(p); |
138 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
139 |
> |
assertEquals(0, p.getPoolSize()); |
140 |
> |
assertTrue(p.prestartCoreThread()); |
141 |
> |
assertEquals(1, p.getPoolSize()); |
142 |
> |
assertTrue(p.prestartCoreThread()); |
143 |
> |
assertEquals(2, p.getPoolSize()); |
144 |
> |
assertFalse(p.prestartCoreThread()); |
145 |
> |
assertEquals(2, p.getPoolSize()); |
146 |
> |
p.setCorePoolSize(4); |
147 |
> |
assertTrue(p.prestartCoreThread()); |
148 |
> |
assertEquals(3, p.getPoolSize()); |
149 |
> |
assertTrue(p.prestartCoreThread()); |
150 |
> |
assertEquals(4, p.getPoolSize()); |
151 |
> |
assertFalse(p.prestartCoreThread()); |
152 |
> |
assertEquals(4, p.getPoolSize()); |
153 |
> |
} |
154 |
|
} |
155 |
|
|
156 |
|
/** |
158 |
|
*/ |
159 |
|
public void testPrestartAllCoreThreads() { |
160 |
|
final ThreadPoolExecutor p = |
161 |
< |
new ThreadPoolExecutor(2, 2, |
161 |
> |
new ThreadPoolExecutor(2, 6, |
162 |
|
LONG_DELAY_MS, MILLISECONDS, |
163 |
|
new ArrayBlockingQueue<Runnable>(10)); |
164 |
< |
assertEquals(0, p.getPoolSize()); |
165 |
< |
p.prestartAllCoreThreads(); |
166 |
< |
assertEquals(2, p.getPoolSize()); |
167 |
< |
p.prestartAllCoreThreads(); |
168 |
< |
assertEquals(2, p.getPoolSize()); |
169 |
< |
joinPool(p); |
164 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
165 |
> |
assertEquals(0, p.getPoolSize()); |
166 |
> |
p.prestartAllCoreThreads(); |
167 |
> |
assertEquals(2, p.getPoolSize()); |
168 |
> |
p.prestartAllCoreThreads(); |
169 |
> |
assertEquals(2, p.getPoolSize()); |
170 |
> |
p.setCorePoolSize(4); |
171 |
> |
p.prestartAllCoreThreads(); |
172 |
> |
assertEquals(4, p.getPoolSize()); |
173 |
> |
p.prestartAllCoreThreads(); |
174 |
> |
assertEquals(4, p.getPoolSize()); |
175 |
> |
} |
176 |
|
} |
177 |
|
|
178 |
|
/** |
184 |
|
new ThreadPoolExecutor(2, 2, |
185 |
|
LONG_DELAY_MS, MILLISECONDS, |
186 |
|
new ArrayBlockingQueue<Runnable>(10)); |
187 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
188 |
< |
final CountDownLatch threadProceed = new CountDownLatch(1); |
189 |
< |
final CountDownLatch threadDone = new CountDownLatch(1); |
190 |
< |
try { |
187 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
188 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
189 |
> |
final CountDownLatch threadProceed = new CountDownLatch(1); |
190 |
> |
final CountDownLatch threadDone = new CountDownLatch(1); |
191 |
|
assertEquals(0, p.getCompletedTaskCount()); |
192 |
|
p.execute(new CheckedRunnable() { |
193 |
|
public void realRun() throws InterruptedException { |
206 |
|
fail("timed out"); |
207 |
|
Thread.yield(); |
208 |
|
} |
173 |
– |
} finally { |
174 |
– |
joinPool(p); |
209 |
|
} |
210 |
|
} |
211 |
|
|
229 |
|
new ThreadPoolExecutor(2, 2, |
230 |
|
1000, MILLISECONDS, |
231 |
|
new ArrayBlockingQueue<Runnable>(10)); |
232 |
< |
assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS)); |
232 |
> |
assertEquals(1, p.getKeepAliveTime(SECONDS)); |
233 |
|
joinPool(p); |
234 |
|
} |
235 |
|
|
637 |
|
} |
638 |
|
|
639 |
|
/** |
640 |
< |
* shutdownNow returns a list containing tasks that were not run |
640 |
> |
* shutdownNow returns a list containing tasks that were not run, |
641 |
> |
* and those tasks are drained from the queue |
642 |
|
*/ |
643 |
< |
public void testShutdownNow() { |
643 |
> |
public void testShutdownNow() throws InterruptedException { |
644 |
> |
final int poolSize = 2; |
645 |
> |
final int count = 5; |
646 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
647 |
|
final ThreadPoolExecutor p = |
648 |
< |
new ThreadPoolExecutor(1, 1, |
648 |
> |
new ThreadPoolExecutor(poolSize, poolSize, |
649 |
|
LONG_DELAY_MS, MILLISECONDS, |
650 |
|
new ArrayBlockingQueue<Runnable>(10)); |
651 |
< |
List l; |
652 |
< |
try { |
653 |
< |
for (int i = 0; i < 5; i++) |
616 |
< |
p.execute(new MediumPossiblyInterruptedRunnable()); |
617 |
< |
} |
618 |
< |
finally { |
651 |
> |
CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
652 |
> |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
653 |
> |
threadsStarted.countDown(); |
654 |
|
try { |
655 |
< |
l = p.shutdownNow(); |
656 |
< |
} catch (SecurityException ok) { return; } |
655 |
> |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
656 |
> |
} catch (InterruptedException success) {} |
657 |
> |
ran.getAndIncrement(); |
658 |
> |
}}; |
659 |
> |
for (int i = 0; i < count; i++) |
660 |
> |
p.execute(waiter); |
661 |
> |
assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
662 |
> |
assertEquals(poolSize, p.getActiveCount()); |
663 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
664 |
> |
final List<Runnable> queuedTasks; |
665 |
> |
try { |
666 |
> |
queuedTasks = p.shutdownNow(); |
667 |
> |
} catch (SecurityException ok) { |
668 |
> |
return; // Allowed in case test doesn't have privs |
669 |
|
} |
670 |
|
assertTrue(p.isShutdown()); |
671 |
< |
assertTrue(l.size() <= 4); |
671 |
> |
assertTrue(p.getQueue().isEmpty()); |
672 |
> |
assertEquals(count - poolSize, queuedTasks.size()); |
673 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
674 |
> |
assertTrue(p.isTerminated()); |
675 |
> |
assertEquals(poolSize, ran.get()); |
676 |
> |
assertEquals(poolSize, p.getCompletedTaskCount()); |
677 |
|
} |
678 |
|
|
679 |
|
// Exception Tests |
683 |
|
*/ |
684 |
|
public void testConstructor1() { |
685 |
|
try { |
686 |
< |
new ThreadPoolExecutor(-1, 1, |
635 |
< |
LONG_DELAY_MS, MILLISECONDS, |
686 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
687 |
|
new ArrayBlockingQueue<Runnable>(10)); |
688 |
|
shouldThrow(); |
689 |
|
} catch (IllegalArgumentException success) {} |
694 |
|
*/ |
695 |
|
public void testConstructor2() { |
696 |
|
try { |
697 |
< |
new ThreadPoolExecutor(1, -1, |
647 |
< |
LONG_DELAY_MS, MILLISECONDS, |
697 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
698 |
|
new ArrayBlockingQueue<Runnable>(10)); |
699 |
|
shouldThrow(); |
700 |
|
} catch (IllegalArgumentException success) {} |
705 |
|
*/ |
706 |
|
public void testConstructor3() { |
707 |
|
try { |
708 |
< |
new ThreadPoolExecutor(1, 0, |
659 |
< |
LONG_DELAY_MS, MILLISECONDS, |
708 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
709 |
|
new ArrayBlockingQueue<Runnable>(10)); |
710 |
|
shouldThrow(); |
711 |
|
} catch (IllegalArgumentException success) {} |
716 |
|
*/ |
717 |
|
public void testConstructor4() { |
718 |
|
try { |
719 |
< |
new ThreadPoolExecutor(1, 2, |
671 |
< |
-1L, MILLISECONDS, |
719 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
720 |
|
new ArrayBlockingQueue<Runnable>(10)); |
721 |
|
shouldThrow(); |
722 |
|
} catch (IllegalArgumentException success) {} |
727 |
|
*/ |
728 |
|
public void testConstructor5() { |
729 |
|
try { |
730 |
< |
new ThreadPoolExecutor(2, 1, |
683 |
< |
LONG_DELAY_MS, MILLISECONDS, |
730 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
731 |
|
new ArrayBlockingQueue<Runnable>(10)); |
732 |
|
shouldThrow(); |
733 |
|
} catch (IllegalArgumentException success) {} |
738 |
|
*/ |
739 |
|
public void testConstructorNullPointerException() { |
740 |
|
try { |
741 |
< |
new ThreadPoolExecutor(1, 2, |
695 |
< |
LONG_DELAY_MS, MILLISECONDS, |
741 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
742 |
|
(BlockingQueue) null); |
743 |
|
shouldThrow(); |
744 |
|
} catch (NullPointerException success) {} |
749 |
|
*/ |
750 |
|
public void testConstructor6() { |
751 |
|
try { |
752 |
< |
new ThreadPoolExecutor(-1, 1, |
707 |
< |
LONG_DELAY_MS, MILLISECONDS, |
752 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
753 |
|
new ArrayBlockingQueue<Runnable>(10), |
754 |
|
new SimpleThreadFactory()); |
755 |
|
shouldThrow(); |
761 |
|
*/ |
762 |
|
public void testConstructor7() { |
763 |
|
try { |
764 |
< |
new ThreadPoolExecutor(1, -1, |
720 |
< |
LONG_DELAY_MS, MILLISECONDS, |
764 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
765 |
|
new ArrayBlockingQueue<Runnable>(10), |
766 |
|
new SimpleThreadFactory()); |
767 |
|
shouldThrow(); |
773 |
|
*/ |
774 |
|
public void testConstructor8() { |
775 |
|
try { |
776 |
< |
new ThreadPoolExecutor(1, 0, |
733 |
< |
LONG_DELAY_MS, MILLISECONDS, |
776 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
777 |
|
new ArrayBlockingQueue<Runnable>(10), |
778 |
|
new SimpleThreadFactory()); |
779 |
|
shouldThrow(); |
785 |
|
*/ |
786 |
|
public void testConstructor9() { |
787 |
|
try { |
788 |
< |
new ThreadPoolExecutor(1, 2, |
746 |
< |
-1L, MILLISECONDS, |
788 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
789 |
|
new ArrayBlockingQueue<Runnable>(10), |
790 |
|
new SimpleThreadFactory()); |
791 |
|
shouldThrow(); |
797 |
|
*/ |
798 |
|
public void testConstructor10() { |
799 |
|
try { |
800 |
< |
new ThreadPoolExecutor(2, 1, |
759 |
< |
LONG_DELAY_MS, MILLISECONDS, |
800 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
801 |
|
new ArrayBlockingQueue<Runnable>(10), |
802 |
|
new SimpleThreadFactory()); |
803 |
|
shouldThrow(); |
809 |
|
*/ |
810 |
|
public void testConstructorNullPointerException2() { |
811 |
|
try { |
812 |
< |
new ThreadPoolExecutor(1, 2, |
772 |
< |
LONG_DELAY_MS, MILLISECONDS, |
812 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
813 |
|
(BlockingQueue) null, |
814 |
|
new SimpleThreadFactory()); |
815 |
|
shouldThrow(); |
821 |
|
*/ |
822 |
|
public void testConstructorNullPointerException3() { |
823 |
|
try { |
824 |
< |
new ThreadPoolExecutor(1, 2, |
785 |
< |
LONG_DELAY_MS, MILLISECONDS, |
824 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
825 |
|
new ArrayBlockingQueue<Runnable>(10), |
826 |
|
(ThreadFactory) null); |
827 |
|
shouldThrow(); |
833 |
|
*/ |
834 |
|
public void testConstructor11() { |
835 |
|
try { |
836 |
< |
new ThreadPoolExecutor(-1, 1, |
798 |
< |
LONG_DELAY_MS, MILLISECONDS, |
836 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
837 |
|
new ArrayBlockingQueue<Runnable>(10), |
838 |
|
new NoOpREHandler()); |
839 |
|
shouldThrow(); |
845 |
|
*/ |
846 |
|
public void testConstructor12() { |
847 |
|
try { |
848 |
< |
new ThreadPoolExecutor(1, -1, |
811 |
< |
LONG_DELAY_MS, MILLISECONDS, |
848 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
849 |
|
new ArrayBlockingQueue<Runnable>(10), |
850 |
|
new NoOpREHandler()); |
851 |
|
shouldThrow(); |
857 |
|
*/ |
858 |
|
public void testConstructor13() { |
859 |
|
try { |
860 |
< |
new ThreadPoolExecutor(1, 0, |
824 |
< |
LONG_DELAY_MS, MILLISECONDS, |
860 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
861 |
|
new ArrayBlockingQueue<Runnable>(10), |
862 |
|
new NoOpREHandler()); |
863 |
|
shouldThrow(); |
869 |
|
*/ |
870 |
|
public void testConstructor14() { |
871 |
|
try { |
872 |
< |
new ThreadPoolExecutor(1, 2, |
837 |
< |
-1L, MILLISECONDS, |
872 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
873 |
|
new ArrayBlockingQueue<Runnable>(10), |
874 |
|
new NoOpREHandler()); |
875 |
|
shouldThrow(); |
881 |
|
*/ |
882 |
|
public void testConstructor15() { |
883 |
|
try { |
884 |
< |
new ThreadPoolExecutor(2, 1, |
850 |
< |
LONG_DELAY_MS, MILLISECONDS, |
884 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
885 |
|
new ArrayBlockingQueue<Runnable>(10), |
886 |
|
new NoOpREHandler()); |
887 |
|
shouldThrow(); |
893 |
|
*/ |
894 |
|
public void testConstructorNullPointerException4() { |
895 |
|
try { |
896 |
< |
new ThreadPoolExecutor(1, 2, |
863 |
< |
LONG_DELAY_MS, MILLISECONDS, |
896 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
897 |
|
(BlockingQueue) null, |
898 |
|
new NoOpREHandler()); |
899 |
|
shouldThrow(); |
905 |
|
*/ |
906 |
|
public void testConstructorNullPointerException5() { |
907 |
|
try { |
908 |
< |
new ThreadPoolExecutor(1, 2, |
876 |
< |
LONG_DELAY_MS, MILLISECONDS, |
908 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
909 |
|
new ArrayBlockingQueue<Runnable>(10), |
910 |
|
(RejectedExecutionHandler) null); |
911 |
|
shouldThrow(); |
917 |
|
*/ |
918 |
|
public void testConstructor16() { |
919 |
|
try { |
920 |
< |
new ThreadPoolExecutor(-1, 1, |
889 |
< |
LONG_DELAY_MS, MILLISECONDS, |
920 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
921 |
|
new ArrayBlockingQueue<Runnable>(10), |
922 |
|
new SimpleThreadFactory(), |
923 |
|
new NoOpREHandler()); |
930 |
|
*/ |
931 |
|
public void testConstructor17() { |
932 |
|
try { |
933 |
< |
new ThreadPoolExecutor(1, -1, |
903 |
< |
LONG_DELAY_MS, MILLISECONDS, |
933 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
934 |
|
new ArrayBlockingQueue<Runnable>(10), |
935 |
|
new SimpleThreadFactory(), |
936 |
|
new NoOpREHandler()); |
943 |
|
*/ |
944 |
|
public void testConstructor18() { |
945 |
|
try { |
946 |
< |
new ThreadPoolExecutor(1, 0, |
917 |
< |
LONG_DELAY_MS, MILLISECONDS, |
946 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
947 |
|
new ArrayBlockingQueue<Runnable>(10), |
948 |
|
new SimpleThreadFactory(), |
949 |
|
new NoOpREHandler()); |
956 |
|
*/ |
957 |
|
public void testConstructor19() { |
958 |
|
try { |
959 |
< |
new ThreadPoolExecutor(1, 2, |
931 |
< |
-1L, MILLISECONDS, |
959 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
960 |
|
new ArrayBlockingQueue<Runnable>(10), |
961 |
|
new SimpleThreadFactory(), |
962 |
|
new NoOpREHandler()); |
969 |
|
*/ |
970 |
|
public void testConstructor20() { |
971 |
|
try { |
972 |
< |
new ThreadPoolExecutor(2, 1, |
945 |
< |
LONG_DELAY_MS, MILLISECONDS, |
972 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
973 |
|
new ArrayBlockingQueue<Runnable>(10), |
974 |
|
new SimpleThreadFactory(), |
975 |
|
new NoOpREHandler()); |
982 |
|
*/ |
983 |
|
public void testConstructorNullPointerException6() { |
984 |
|
try { |
985 |
< |
new ThreadPoolExecutor(1, 2, |
959 |
< |
LONG_DELAY_MS, MILLISECONDS, |
985 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
986 |
|
(BlockingQueue) null, |
987 |
|
new SimpleThreadFactory(), |
988 |
|
new NoOpREHandler()); |
995 |
|
*/ |
996 |
|
public void testConstructorNullPointerException7() { |
997 |
|
try { |
998 |
< |
new ThreadPoolExecutor(1, 2, |
973 |
< |
LONG_DELAY_MS, MILLISECONDS, |
998 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
999 |
|
new ArrayBlockingQueue<Runnable>(10), |
1000 |
|
new SimpleThreadFactory(), |
1001 |
|
(RejectedExecutionHandler) null); |
1008 |
|
*/ |
1009 |
|
public void testConstructorNullPointerException8() { |
1010 |
|
try { |
1011 |
< |
new ThreadPoolExecutor(1, 2, |
987 |
< |
LONG_DELAY_MS, MILLISECONDS, |
1011 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
1012 |
|
new ArrayBlockingQueue<Runnable>(10), |
1013 |
|
(ThreadFactory) null, |
1014 |
|
new NoOpREHandler()); |
1022 |
|
public void testInterruptedSubmit() throws InterruptedException { |
1023 |
|
final ThreadPoolExecutor p = |
1024 |
|
new ThreadPoolExecutor(1, 1, |
1025 |
< |
60, TimeUnit.SECONDS, |
1025 |
> |
60, SECONDS, |
1026 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1027 |
|
|
1028 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
1296 |
|
*/ |
1297 |
|
public void testExecuteNull() { |
1298 |
|
ThreadPoolExecutor p = |
1299 |
< |
new ThreadPoolExecutor(1, 2, |
1276 |
< |
LONG_DELAY_MS, MILLISECONDS, |
1299 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
1300 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1301 |
|
try { |
1302 |
|
p.execute(null); |
1363 |
|
} |
1364 |
|
|
1365 |
|
/** |
1366 |
+ |
* Configuration changes that allow core pool size greater than |
1367 |
+ |
* max pool size result in IllegalArgumentException. |
1368 |
+ |
*/ |
1369 |
+ |
public void testPoolSizeInvariants() { |
1370 |
+ |
ThreadPoolExecutor p = |
1371 |
+ |
new ThreadPoolExecutor(1, 1, |
1372 |
+ |
LONG_DELAY_MS, MILLISECONDS, |
1373 |
+ |
new ArrayBlockingQueue<Runnable>(10)); |
1374 |
+ |
for (int s = 1; s < 5; s++) { |
1375 |
+ |
p.setMaximumPoolSize(s); |
1376 |
+ |
p.setCorePoolSize(s); |
1377 |
+ |
try { |
1378 |
+ |
p.setMaximumPoolSize(s - 1); |
1379 |
+ |
shouldThrow(); |
1380 |
+ |
} catch (IllegalArgumentException success) {} |
1381 |
+ |
assertEquals(s, p.getCorePoolSize()); |
1382 |
+ |
assertEquals(s, p.getMaximumPoolSize()); |
1383 |
+ |
try { |
1384 |
+ |
p.setCorePoolSize(s + 1); |
1385 |
+ |
shouldThrow(); |
1386 |
+ |
} catch (IllegalArgumentException success) {} |
1387 |
+ |
assertEquals(s, p.getCorePoolSize()); |
1388 |
+ |
assertEquals(s, p.getMaximumPoolSize()); |
1389 |
+ |
} |
1390 |
+ |
joinPool(p); |
1391 |
+ |
} |
1392 |
+ |
|
1393 |
+ |
/** |
1394 |
|
* setKeepAliveTime throws IllegalArgumentException |
1395 |
|
* when given a negative value |
1396 |
|
*/ |
1426 |
|
ExtendedTPE p = new ExtendedTPE(); |
1427 |
|
try { |
1428 |
|
final CountDownLatch done = new CountDownLatch(1); |
1429 |
< |
final CheckedRunnable task = new CheckedRunnable() { |
1429 |
> |
p.execute(new CheckedRunnable() { |
1430 |
|
public void realRun() { |
1431 |
|
done.countDown(); |
1432 |
< |
}}; |
1382 |
< |
p.execute(task); |
1432 |
> |
}}); |
1433 |
|
await(p.afterCalled); |
1434 |
|
assertEquals(0, done.getCount()); |
1435 |
|
assertTrue(p.afterCalled()); |
1906 |
|
l.add(new StringTask()); |
1907 |
|
l.add(new StringTask()); |
1908 |
|
List<Future<String>> futures = |
1909 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1909 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1910 |
|
assertEquals(2, futures.size()); |
1911 |
|
for (Future<String> future : futures) |
1912 |
|
assertSame(TEST_STRING, future.get()); |
1924 |
|
LONG_DELAY_MS, MILLISECONDS, |
1925 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1926 |
|
try { |
1927 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1928 |
< |
l.add(new StringTask()); |
1929 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1930 |
< |
l.add(new StringTask()); |
1931 |
< |
List<Future<String>> futures = |
1932 |
< |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1933 |
< |
assertEquals(l.size(), futures.size()); |
1934 |
< |
for (Future future : futures) |
1935 |
< |
assertTrue(future.isDone()); |
1936 |
< |
assertFalse(futures.get(0).isCancelled()); |
1937 |
< |
assertTrue(futures.get(1).isCancelled()); |
1927 |
> |
for (long timeout = timeoutMillis();;) { |
1928 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1929 |
> |
tasks.add(new StringTask("0")); |
1930 |
> |
tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING)); |
1931 |
> |
tasks.add(new StringTask("2")); |
1932 |
> |
long startTime = System.nanoTime(); |
1933 |
> |
List<Future<String>> futures = |
1934 |
> |
e.invokeAll(tasks, timeout, MILLISECONDS); |
1935 |
> |
assertEquals(tasks.size(), futures.size()); |
1936 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1937 |
> |
for (Future future : futures) |
1938 |
> |
assertTrue(future.isDone()); |
1939 |
> |
assertTrue(futures.get(1).isCancelled()); |
1940 |
> |
try { |
1941 |
> |
assertEquals("0", futures.get(0).get()); |
1942 |
> |
assertEquals("2", futures.get(2).get()); |
1943 |
> |
break; |
1944 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1945 |
> |
timeout *= 2; |
1946 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1947 |
> |
fail("expected exactly one task to be cancelled"); |
1948 |
> |
} |
1949 |
> |
} |
1950 |
|
} finally { |
1951 |
|
joinPool(e); |
1952 |
|
} |
1992 |
|
* allowCoreThreadTimeOut(true) causes idle threads to time out |
1993 |
|
*/ |
1994 |
|
public void testAllowCoreThreadTimeOut_true() throws Exception { |
1995 |
< |
long coreThreadTimeOut = SHORT_DELAY_MS; |
1995 |
> |
long keepAliveTime = timeoutMillis(); |
1996 |
|
final ThreadPoolExecutor p = |
1997 |
|
new ThreadPoolExecutor(2, 10, |
1998 |
< |
coreThreadTimeOut, MILLISECONDS, |
1998 |
> |
keepAliveTime, MILLISECONDS, |
1999 |
|
new ArrayBlockingQueue<Runnable>(10)); |
2000 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
2001 |
|
try { |
2006 |
|
assertEquals(1, p.getPoolSize()); |
2007 |
|
}}); |
2008 |
|
await(threadStarted); |
2009 |
< |
delay(coreThreadTimeOut); |
2009 |
> |
delay(keepAliveTime); |
2010 |
|
long startTime = System.nanoTime(); |
2011 |
|
while (p.getPoolSize() > 0 |
2012 |
|
&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
2022 |
|
* allowCoreThreadTimeOut(false) causes idle threads not to time out |
2023 |
|
*/ |
2024 |
|
public void testAllowCoreThreadTimeOut_false() throws Exception { |
2025 |
< |
long coreThreadTimeOut = SHORT_DELAY_MS; |
2025 |
> |
long keepAliveTime = timeoutMillis(); |
2026 |
|
final ThreadPoolExecutor p = |
2027 |
|
new ThreadPoolExecutor(2, 10, |
2028 |
< |
coreThreadTimeOut, MILLISECONDS, |
2028 |
> |
keepAliveTime, MILLISECONDS, |
2029 |
|
new ArrayBlockingQueue<Runnable>(10)); |
2030 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
2031 |
|
try { |
2035 |
|
threadStarted.countDown(); |
2036 |
|
assertTrue(p.getPoolSize() >= 1); |
2037 |
|
}}); |
2038 |
< |
delay(2 * coreThreadTimeOut); |
2038 |
> |
delay(2 * keepAliveTime); |
2039 |
|
assertTrue(p.getPoolSize() >= 1); |
2040 |
|
} finally { |
2041 |
|
joinPool(p); |
2054 |
|
done.countDown(); |
2055 |
|
}}; |
2056 |
|
final ThreadPoolExecutor p = |
2057 |
< |
new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS, |
2057 |
> |
new ThreadPoolExecutor(1, 30, |
2058 |
> |
60, SECONDS, |
2059 |
|
new ArrayBlockingQueue(30)); |
2060 |
|
try { |
2061 |
|
for (int i = 0; i < nTasks; ++i) { |
2074 |
|
} |
2075 |
|
} |
2076 |
|
|
2077 |
+ |
/** |
2078 |
+ |
* get(cancelled task) throws CancellationException |
2079 |
+ |
*/ |
2080 |
+ |
public void testGet_cancelled() throws Exception { |
2081 |
+ |
final ExecutorService e = |
2082 |
+ |
new ThreadPoolExecutor(1, 1, |
2083 |
+ |
LONG_DELAY_MS, MILLISECONDS, |
2084 |
+ |
new LinkedBlockingQueue<Runnable>()); |
2085 |
+ |
try { |
2086 |
+ |
final CountDownLatch blockerStarted = new CountDownLatch(1); |
2087 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
2088 |
+ |
final List<Future<?>> futures = new ArrayList<>(); |
2089 |
+ |
for (int i = 0; i < 2; i++) { |
2090 |
+ |
Runnable r = new CheckedRunnable() { public void realRun() |
2091 |
+ |
throws Throwable { |
2092 |
+ |
blockerStarted.countDown(); |
2093 |
+ |
assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS)); |
2094 |
+ |
}}; |
2095 |
+ |
futures.add(e.submit(r)); |
2096 |
+ |
} |
2097 |
+ |
assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
2098 |
+ |
for (Future<?> future : futures) future.cancel(false); |
2099 |
+ |
for (Future<?> future : futures) { |
2100 |
+ |
try { |
2101 |
+ |
future.get(); |
2102 |
+ |
shouldThrow(); |
2103 |
+ |
} catch (CancellationException success) {} |
2104 |
+ |
try { |
2105 |
+ |
future.get(LONG_DELAY_MS, MILLISECONDS); |
2106 |
+ |
shouldThrow(); |
2107 |
+ |
} catch (CancellationException success) {} |
2108 |
+ |
assertTrue(future.isCancelled()); |
2109 |
+ |
assertTrue(future.isDone()); |
2110 |
+ |
} |
2111 |
+ |
done.countDown(); |
2112 |
+ |
} finally { |
2113 |
+ |
joinPool(e); |
2114 |
+ |
} |
2115 |
+ |
} |
2116 |
+ |
|
2117 |
|
} |