1 |
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/* |
2 |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
4 |
< |
* http://creativecommons.org/licenses/publicdomain |
4 |
> |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
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* Pat Fisher, Mike Judd. |
7 |
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*/ |
8 |
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|
9 |
– |
import java.util.concurrent.*; |
9 |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
< |
import java.util.concurrent.atomic.*; |
11 |
< |
import junit.framework.*; |
12 |
< |
import java.util.*; |
10 |
> |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
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.CountDownLatch; |
19 |
> |
import java.util.concurrent.ExecutionException; |
20 |
> |
import java.util.concurrent.Executors; |
21 |
> |
import java.util.concurrent.ExecutorService; |
22 |
> |
import java.util.concurrent.Future; |
23 |
> |
import java.util.concurrent.FutureTask; |
24 |
> |
import java.util.concurrent.LinkedBlockingQueue; |
25 |
> |
import java.util.concurrent.RejectedExecutionException; |
26 |
> |
import java.util.concurrent.RejectedExecutionHandler; |
27 |
> |
import java.util.concurrent.SynchronousQueue; |
28 |
> |
import java.util.concurrent.ThreadFactory; |
29 |
> |
import java.util.concurrent.ThreadPoolExecutor; |
30 |
> |
import java.util.concurrent.TimeUnit; |
31 |
> |
|
32 |
> |
import junit.framework.Test; |
33 |
> |
import junit.framework.TestSuite; |
34 |
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|
35 |
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public class ThreadPoolExecutorTest extends JSR166TestCase { |
36 |
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public static void main(String[] args) { |
37 |
< |
junit.textui.TestRunner.run(suite()); |
37 |
> |
main(suite(), args); |
38 |
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} |
39 |
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public static Test suite() { |
40 |
|
return new TestSuite(ThreadPoolExecutorTest.class); |
41 |
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} |
42 |
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|
43 |
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static class ExtendedTPE extends ThreadPoolExecutor { |
44 |
< |
volatile boolean beforeCalled = false; |
45 |
< |
volatile boolean afterCalled = false; |
46 |
< |
volatile boolean terminatedCalled = false; |
44 |
> |
final CountDownLatch beforeCalled = new CountDownLatch(1); |
45 |
> |
final CountDownLatch afterCalled = new CountDownLatch(1); |
46 |
> |
final CountDownLatch terminatedCalled = new CountDownLatch(1); |
47 |
> |
|
48 |
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public ExtendedTPE() { |
49 |
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super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>()); |
50 |
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} |
51 |
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protected void beforeExecute(Thread t, Runnable r) { |
52 |
< |
beforeCalled = true; |
52 |
> |
beforeCalled.countDown(); |
53 |
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} |
54 |
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protected void afterExecute(Runnable r, Throwable t) { |
55 |
< |
afterCalled = true; |
55 |
> |
afterCalled.countDown(); |
56 |
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} |
57 |
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protected void terminated() { |
58 |
< |
terminatedCalled = true; |
58 |
> |
terminatedCalled.countDown(); |
59 |
> |
} |
60 |
> |
|
61 |
> |
public boolean beforeCalled() { |
62 |
> |
return beforeCalled.getCount() == 0; |
63 |
> |
} |
64 |
> |
public boolean afterCalled() { |
65 |
> |
return afterCalled.getCount() == 0; |
66 |
> |
} |
67 |
> |
public boolean terminatedCalled() { |
68 |
> |
return terminatedCalled.getCount() == 0; |
69 |
|
} |
70 |
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} |
71 |
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|
77 |
|
} |
78 |
|
} |
79 |
|
|
49 |
– |
|
80 |
|
/** |
81 |
|
* execute successfully executes a runnable |
82 |
|
*/ |
180 |
|
threadProceed.await(); |
181 |
|
threadDone.countDown(); |
182 |
|
}}); |
183 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
183 |
> |
await(threadStarted); |
184 |
|
assertEquals(0, p.getCompletedTaskCount()); |
185 |
|
threadProceed.countDown(); |
186 |
|
threadDone.await(); |
187 |
< |
Thread.sleep(SHORT_DELAY_MS); |
188 |
< |
assertEquals(1, p.getCompletedTaskCount()); |
187 |
> |
long startTime = System.nanoTime(); |
188 |
> |
while (p.getCompletedTaskCount() != 1) { |
189 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
190 |
> |
fail("timed out"); |
191 |
> |
Thread.yield(); |
192 |
> |
} |
193 |
|
} finally { |
194 |
|
joinPool(p); |
195 |
|
} |
219 |
|
joinPool(p); |
220 |
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} |
221 |
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|
188 |
– |
|
222 |
|
/** |
223 |
|
* getThreadFactory returns factory in constructor if not set |
224 |
|
*/ |
248 |
|
joinPool(p); |
249 |
|
} |
250 |
|
|
218 |
– |
|
251 |
|
/** |
252 |
|
* setThreadFactory(null) throws NPE |
253 |
|
*/ |
294 |
|
joinPool(p); |
295 |
|
} |
296 |
|
|
265 |
– |
|
297 |
|
/** |
298 |
|
* setRejectedExecutionHandler(null) throws NPE |
299 |
|
*/ |
311 |
|
} |
312 |
|
} |
313 |
|
|
283 |
– |
|
314 |
|
/** |
315 |
|
* getLargestPoolSize increases, but doesn't overestimate, when |
316 |
|
* multiple threads active |
408 |
|
} |
409 |
|
|
410 |
|
/** |
411 |
< |
* isShutDown is false before shutdown, true after |
411 |
> |
* isShutdown is false before shutdown, true after |
412 |
|
*/ |
413 |
|
public void testIsShutdown() { |
414 |
|
final ThreadPoolExecutor p = |
421 |
|
joinPool(p); |
422 |
|
} |
423 |
|
|
424 |
+ |
/** |
425 |
+ |
* awaitTermination on a non-shutdown pool times out |
426 |
+ |
*/ |
427 |
+ |
public void testAwaitTermination_timesOut() throws InterruptedException { |
428 |
+ |
final ThreadPoolExecutor p = |
429 |
+ |
new ThreadPoolExecutor(1, 1, |
430 |
+ |
LONG_DELAY_MS, MILLISECONDS, |
431 |
+ |
new ArrayBlockingQueue<Runnable>(10)); |
432 |
+ |
assertFalse(p.isTerminated()); |
433 |
+ |
assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS)); |
434 |
+ |
assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS)); |
435 |
+ |
assertFalse(p.awaitTermination(-1L, NANOSECONDS)); |
436 |
+ |
assertFalse(p.awaitTermination(-1L, MILLISECONDS)); |
437 |
+ |
assertFalse(p.awaitTermination(0L, NANOSECONDS)); |
438 |
+ |
assertFalse(p.awaitTermination(0L, MILLISECONDS)); |
439 |
+ |
long timeoutNanos = 999999L; |
440 |
+ |
long startTime = System.nanoTime(); |
441 |
+ |
assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS)); |
442 |
+ |
assertTrue(System.nanoTime() - startTime >= timeoutNanos); |
443 |
+ |
assertFalse(p.isTerminated()); |
444 |
+ |
startTime = System.nanoTime(); |
445 |
+ |
long timeoutMillis = timeoutMillis(); |
446 |
+ |
assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS)); |
447 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
448 |
+ |
assertFalse(p.isTerminated()); |
449 |
+ |
p.shutdown(); |
450 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
451 |
+ |
assertTrue(p.isTerminated()); |
452 |
+ |
} |
453 |
|
|
454 |
|
/** |
455 |
|
* isTerminated is false before termination, true after |
465 |
|
try { |
466 |
|
p.execute(new CheckedRunnable() { |
467 |
|
public void realRun() throws InterruptedException { |
409 |
– |
threadStarted.countDown(); |
468 |
|
assertFalse(p.isTerminated()); |
469 |
+ |
threadStarted.countDown(); |
470 |
|
done.await(); |
471 |
|
}}); |
472 |
|
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
473 |
+ |
assertFalse(p.isTerminating()); |
474 |
|
done.countDown(); |
475 |
|
} finally { |
476 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
493 |
|
assertFalse(p.isTerminating()); |
494 |
|
p.execute(new CheckedRunnable() { |
495 |
|
public void realRun() throws InterruptedException { |
436 |
– |
threadStarted.countDown(); |
496 |
|
assertFalse(p.isTerminating()); |
497 |
+ |
threadStarted.countDown(); |
498 |
|
done.await(); |
499 |
|
}}); |
500 |
|
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
623 |
|
} |
624 |
|
|
625 |
|
/** |
626 |
< |
* shutDownNow returns a list containing tasks that were not run |
626 |
> |
* shutdownNow returns a list containing tasks that were not run |
627 |
|
*/ |
628 |
< |
public void testShutDownNow() { |
628 |
> |
public void testShutdownNow() { |
629 |
|
final ThreadPoolExecutor p = |
630 |
|
new ThreadPoolExecutor(1, 1, |
631 |
|
LONG_DELAY_MS, MILLISECONDS, |
646 |
|
|
647 |
|
// Exception Tests |
648 |
|
|
589 |
– |
|
649 |
|
/** |
650 |
|
* Constructor throws if corePoolSize argument is less than zero |
651 |
|
*/ |
652 |
|
public void testConstructor1() { |
653 |
|
try { |
654 |
< |
new ThreadPoolExecutor(-1, 1, |
596 |
< |
LONG_DELAY_MS, MILLISECONDS, |
654 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
655 |
|
new ArrayBlockingQueue<Runnable>(10)); |
656 |
|
shouldThrow(); |
657 |
|
} catch (IllegalArgumentException success) {} |
662 |
|
*/ |
663 |
|
public void testConstructor2() { |
664 |
|
try { |
665 |
< |
new ThreadPoolExecutor(1, -1, |
608 |
< |
LONG_DELAY_MS, MILLISECONDS, |
665 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
666 |
|
new ArrayBlockingQueue<Runnable>(10)); |
667 |
|
shouldThrow(); |
668 |
|
} catch (IllegalArgumentException success) {} |
673 |
|
*/ |
674 |
|
public void testConstructor3() { |
675 |
|
try { |
676 |
< |
new ThreadPoolExecutor(1, 0, |
620 |
< |
LONG_DELAY_MS, MILLISECONDS, |
676 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
677 |
|
new ArrayBlockingQueue<Runnable>(10)); |
678 |
|
shouldThrow(); |
679 |
|
} catch (IllegalArgumentException success) {} |
684 |
|
*/ |
685 |
|
public void testConstructor4() { |
686 |
|
try { |
687 |
< |
new ThreadPoolExecutor(1, 2, |
632 |
< |
-1L, MILLISECONDS, |
687 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
688 |
|
new ArrayBlockingQueue<Runnable>(10)); |
689 |
|
shouldThrow(); |
690 |
|
} catch (IllegalArgumentException success) {} |
695 |
|
*/ |
696 |
|
public void testConstructor5() { |
697 |
|
try { |
698 |
< |
new ThreadPoolExecutor(2, 1, |
644 |
< |
LONG_DELAY_MS, MILLISECONDS, |
698 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
699 |
|
new ArrayBlockingQueue<Runnable>(10)); |
700 |
|
shouldThrow(); |
701 |
|
} catch (IllegalArgumentException success) {} |
706 |
|
*/ |
707 |
|
public void testConstructorNullPointerException() { |
708 |
|
try { |
709 |
< |
new ThreadPoolExecutor(1, 2, |
656 |
< |
LONG_DELAY_MS, MILLISECONDS, |
709 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
710 |
|
(BlockingQueue) null); |
711 |
|
shouldThrow(); |
712 |
|
} catch (NullPointerException success) {} |
713 |
|
} |
714 |
|
|
662 |
– |
|
663 |
– |
|
715 |
|
/** |
716 |
|
* Constructor throws if corePoolSize argument is less than zero |
717 |
|
*/ |
718 |
|
public void testConstructor6() { |
719 |
|
try { |
720 |
< |
new ThreadPoolExecutor(-1, 1, |
670 |
< |
LONG_DELAY_MS, MILLISECONDS, |
720 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
721 |
|
new ArrayBlockingQueue<Runnable>(10), |
722 |
|
new SimpleThreadFactory()); |
723 |
|
shouldThrow(); |
729 |
|
*/ |
730 |
|
public void testConstructor7() { |
731 |
|
try { |
732 |
< |
new ThreadPoolExecutor(1, -1, |
683 |
< |
LONG_DELAY_MS, MILLISECONDS, |
732 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
733 |
|
new ArrayBlockingQueue<Runnable>(10), |
734 |
|
new SimpleThreadFactory()); |
735 |
|
shouldThrow(); |
741 |
|
*/ |
742 |
|
public void testConstructor8() { |
743 |
|
try { |
744 |
< |
new ThreadPoolExecutor(1, 0, |
696 |
< |
LONG_DELAY_MS, MILLISECONDS, |
744 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
745 |
|
new ArrayBlockingQueue<Runnable>(10), |
746 |
|
new SimpleThreadFactory()); |
747 |
|
shouldThrow(); |
753 |
|
*/ |
754 |
|
public void testConstructor9() { |
755 |
|
try { |
756 |
< |
new ThreadPoolExecutor(1, 2, |
709 |
< |
-1L, MILLISECONDS, |
756 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
757 |
|
new ArrayBlockingQueue<Runnable>(10), |
758 |
|
new SimpleThreadFactory()); |
759 |
|
shouldThrow(); |
765 |
|
*/ |
766 |
|
public void testConstructor10() { |
767 |
|
try { |
768 |
< |
new ThreadPoolExecutor(2, 1, |
722 |
< |
LONG_DELAY_MS, MILLISECONDS, |
768 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
769 |
|
new ArrayBlockingQueue<Runnable>(10), |
770 |
|
new SimpleThreadFactory()); |
771 |
|
shouldThrow(); |
777 |
|
*/ |
778 |
|
public void testConstructorNullPointerException2() { |
779 |
|
try { |
780 |
< |
new ThreadPoolExecutor(1, 2, |
735 |
< |
LONG_DELAY_MS, MILLISECONDS, |
780 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
781 |
|
(BlockingQueue) null, |
782 |
|
new SimpleThreadFactory()); |
783 |
|
shouldThrow(); |
789 |
|
*/ |
790 |
|
public void testConstructorNullPointerException3() { |
791 |
|
try { |
792 |
< |
new ThreadPoolExecutor(1, 2, |
748 |
< |
LONG_DELAY_MS, MILLISECONDS, |
792 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
793 |
|
new ArrayBlockingQueue<Runnable>(10), |
794 |
|
(ThreadFactory) null); |
795 |
|
shouldThrow(); |
796 |
|
} catch (NullPointerException success) {} |
797 |
|
} |
798 |
|
|
755 |
– |
|
799 |
|
/** |
800 |
|
* Constructor throws if corePoolSize argument is less than zero |
801 |
|
*/ |
802 |
|
public void testConstructor11() { |
803 |
|
try { |
804 |
< |
new ThreadPoolExecutor(-1, 1, |
762 |
< |
LONG_DELAY_MS, MILLISECONDS, |
804 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
805 |
|
new ArrayBlockingQueue<Runnable>(10), |
806 |
|
new NoOpREHandler()); |
807 |
|
shouldThrow(); |
813 |
|
*/ |
814 |
|
public void testConstructor12() { |
815 |
|
try { |
816 |
< |
new ThreadPoolExecutor(1, -1, |
775 |
< |
LONG_DELAY_MS, MILLISECONDS, |
816 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
817 |
|
new ArrayBlockingQueue<Runnable>(10), |
818 |
|
new NoOpREHandler()); |
819 |
|
shouldThrow(); |
825 |
|
*/ |
826 |
|
public void testConstructor13() { |
827 |
|
try { |
828 |
< |
new ThreadPoolExecutor(1, 0, |
788 |
< |
LONG_DELAY_MS, MILLISECONDS, |
828 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
829 |
|
new ArrayBlockingQueue<Runnable>(10), |
830 |
|
new NoOpREHandler()); |
831 |
|
shouldThrow(); |
837 |
|
*/ |
838 |
|
public void testConstructor14() { |
839 |
|
try { |
840 |
< |
new ThreadPoolExecutor(1, 2, |
801 |
< |
-1L, MILLISECONDS, |
840 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
841 |
|
new ArrayBlockingQueue<Runnable>(10), |
842 |
|
new NoOpREHandler()); |
843 |
|
shouldThrow(); |
849 |
|
*/ |
850 |
|
public void testConstructor15() { |
851 |
|
try { |
852 |
< |
new ThreadPoolExecutor(2, 1, |
814 |
< |
LONG_DELAY_MS, MILLISECONDS, |
852 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
853 |
|
new ArrayBlockingQueue<Runnable>(10), |
854 |
|
new NoOpREHandler()); |
855 |
|
shouldThrow(); |
861 |
|
*/ |
862 |
|
public void testConstructorNullPointerException4() { |
863 |
|
try { |
864 |
< |
new ThreadPoolExecutor(1, 2, |
827 |
< |
LONG_DELAY_MS, MILLISECONDS, |
864 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
865 |
|
(BlockingQueue) null, |
866 |
|
new NoOpREHandler()); |
867 |
|
shouldThrow(); |
873 |
|
*/ |
874 |
|
public void testConstructorNullPointerException5() { |
875 |
|
try { |
876 |
< |
new ThreadPoolExecutor(1, 2, |
840 |
< |
LONG_DELAY_MS, MILLISECONDS, |
876 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
877 |
|
new ArrayBlockingQueue<Runnable>(10), |
878 |
|
(RejectedExecutionHandler) null); |
879 |
|
shouldThrow(); |
880 |
|
} catch (NullPointerException success) {} |
881 |
|
} |
882 |
|
|
847 |
– |
|
883 |
|
/** |
884 |
|
* Constructor throws if corePoolSize argument is less than zero |
885 |
|
*/ |
886 |
|
public void testConstructor16() { |
887 |
|
try { |
888 |
< |
new ThreadPoolExecutor(-1, 1, |
854 |
< |
LONG_DELAY_MS, MILLISECONDS, |
888 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
889 |
|
new ArrayBlockingQueue<Runnable>(10), |
890 |
|
new SimpleThreadFactory(), |
891 |
|
new NoOpREHandler()); |
898 |
|
*/ |
899 |
|
public void testConstructor17() { |
900 |
|
try { |
901 |
< |
new ThreadPoolExecutor(1, -1, |
868 |
< |
LONG_DELAY_MS, MILLISECONDS, |
901 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
902 |
|
new ArrayBlockingQueue<Runnable>(10), |
903 |
|
new SimpleThreadFactory(), |
904 |
|
new NoOpREHandler()); |
911 |
|
*/ |
912 |
|
public void testConstructor18() { |
913 |
|
try { |
914 |
< |
new ThreadPoolExecutor(1, 0, |
882 |
< |
LONG_DELAY_MS, MILLISECONDS, |
914 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
915 |
|
new ArrayBlockingQueue<Runnable>(10), |
916 |
|
new SimpleThreadFactory(), |
917 |
|
new NoOpREHandler()); |
924 |
|
*/ |
925 |
|
public void testConstructor19() { |
926 |
|
try { |
927 |
< |
new ThreadPoolExecutor(1, 2, |
896 |
< |
-1L, MILLISECONDS, |
927 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
928 |
|
new ArrayBlockingQueue<Runnable>(10), |
929 |
|
new SimpleThreadFactory(), |
930 |
|
new NoOpREHandler()); |
937 |
|
*/ |
938 |
|
public void testConstructor20() { |
939 |
|
try { |
940 |
< |
new ThreadPoolExecutor(2, 1, |
910 |
< |
LONG_DELAY_MS, MILLISECONDS, |
940 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
941 |
|
new ArrayBlockingQueue<Runnable>(10), |
942 |
|
new SimpleThreadFactory(), |
943 |
|
new NoOpREHandler()); |
950 |
|
*/ |
951 |
|
public void testConstructorNullPointerException6() { |
952 |
|
try { |
953 |
< |
new ThreadPoolExecutor(1, 2, |
924 |
< |
LONG_DELAY_MS, MILLISECONDS, |
953 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
954 |
|
(BlockingQueue) null, |
955 |
|
new SimpleThreadFactory(), |
956 |
|
new NoOpREHandler()); |
963 |
|
*/ |
964 |
|
public void testConstructorNullPointerException7() { |
965 |
|
try { |
966 |
< |
new ThreadPoolExecutor(1, 2, |
938 |
< |
LONG_DELAY_MS, MILLISECONDS, |
966 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
967 |
|
new ArrayBlockingQueue<Runnable>(10), |
968 |
|
new SimpleThreadFactory(), |
969 |
|
(RejectedExecutionHandler) null); |
976 |
|
*/ |
977 |
|
public void testConstructorNullPointerException8() { |
978 |
|
try { |
979 |
< |
new ThreadPoolExecutor(1, 2, |
952 |
< |
LONG_DELAY_MS, MILLISECONDS, |
979 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
980 |
|
new ArrayBlockingQueue<Runnable>(10), |
981 |
|
(ThreadFactory) null, |
982 |
|
new NoOpREHandler()); |
1238 |
|
} |
1239 |
|
} |
1240 |
|
|
1214 |
– |
|
1241 |
|
/** |
1242 |
|
* execute using DiscardOldestPolicy drops task on shutdown |
1243 |
|
*/ |
1259 |
|
} |
1260 |
|
} |
1261 |
|
|
1236 |
– |
|
1262 |
|
/** |
1263 |
|
* execute(null) throws NPE |
1264 |
|
*/ |
1265 |
|
public void testExecuteNull() { |
1266 |
|
ThreadPoolExecutor p = |
1267 |
< |
new ThreadPoolExecutor(1, 2, |
1243 |
< |
LONG_DELAY_MS, MILLISECONDS, |
1267 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
1268 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1269 |
|
try { |
1270 |
|
p.execute(null); |
1330 |
|
joinPool(p); |
1331 |
|
} |
1332 |
|
|
1333 |
+ |
/** |
1334 |
+ |
* Configuration changes that allow core pool size greater than |
1335 |
+ |
* max pool size result in IllegalArgumentException. |
1336 |
+ |
*/ |
1337 |
+ |
public void testPoolSizeInvariants() { |
1338 |
+ |
ThreadPoolExecutor p = |
1339 |
+ |
new ThreadPoolExecutor(1, 1, |
1340 |
+ |
LONG_DELAY_MS, MILLISECONDS, |
1341 |
+ |
new ArrayBlockingQueue<Runnable>(10)); |
1342 |
+ |
for (int s = 1; s < 5; s++) { |
1343 |
+ |
p.setMaximumPoolSize(s); |
1344 |
+ |
p.setCorePoolSize(s); |
1345 |
+ |
try { |
1346 |
+ |
p.setMaximumPoolSize(s - 1); |
1347 |
+ |
shouldThrow(); |
1348 |
+ |
} catch (IllegalArgumentException success) {} |
1349 |
+ |
assertEquals(s, p.getCorePoolSize()); |
1350 |
+ |
assertEquals(s, p.getMaximumPoolSize()); |
1351 |
+ |
try { |
1352 |
+ |
p.setCorePoolSize(s + 1); |
1353 |
+ |
shouldThrow(); |
1354 |
+ |
} catch (IllegalArgumentException success) {} |
1355 |
+ |
assertEquals(s, p.getCorePoolSize()); |
1356 |
+ |
assertEquals(s, p.getMaximumPoolSize()); |
1357 |
+ |
} |
1358 |
+ |
joinPool(p); |
1359 |
+ |
} |
1360 |
|
|
1361 |
|
/** |
1362 |
|
* setKeepAliveTime throws IllegalArgumentException |
1383 |
|
public void testTerminated() { |
1384 |
|
ExtendedTPE p = new ExtendedTPE(); |
1385 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1386 |
< |
assertTrue(p.terminatedCalled); |
1386 |
> |
assertTrue(p.terminatedCalled()); |
1387 |
|
joinPool(p); |
1388 |
|
} |
1389 |
|
|
1393 |
|
public void testBeforeAfter() throws InterruptedException { |
1394 |
|
ExtendedTPE p = new ExtendedTPE(); |
1395 |
|
try { |
1396 |
< |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1397 |
< |
p.execute(r); |
1398 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1399 |
< |
assertTrue(r.done); |
1400 |
< |
assertTrue(p.beforeCalled); |
1401 |
< |
assertTrue(p.afterCalled); |
1396 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1397 |
> |
p.execute(new CheckedRunnable() { |
1398 |
> |
public void realRun() { |
1399 |
> |
done.countDown(); |
1400 |
> |
}}); |
1401 |
> |
await(p.afterCalled); |
1402 |
> |
assertEquals(0, done.getCount()); |
1403 |
> |
assertTrue(p.afterCalled()); |
1404 |
> |
assertTrue(p.beforeCalled()); |
1405 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1406 |
|
} finally { |
1407 |
|
joinPool(p); |
1459 |
|
} |
1460 |
|
} |
1461 |
|
|
1408 |
– |
|
1462 |
|
/** |
1463 |
|
* invokeAny(null) throws NPE |
1464 |
|
*/ |
1652 |
|
} |
1653 |
|
} |
1654 |
|
|
1602 |
– |
|
1603 |
– |
|
1655 |
|
/** |
1656 |
|
* timed invokeAny(null) throws NPE |
1657 |
|
*/ |
1898 |
|
l.add(new StringTask()); |
1899 |
|
List<Future<String>> futures = |
1900 |
|
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1901 |
< |
assertEquals(3, futures.size()); |
1902 |
< |
Iterator<Future<String>> it = futures.iterator(); |
1903 |
< |
Future<String> f1 = it.next(); |
1904 |
< |
Future<String> f2 = it.next(); |
1905 |
< |
Future<String> f3 = it.next(); |
1855 |
< |
assertTrue(f1.isDone()); |
1856 |
< |
assertTrue(f2.isDone()); |
1857 |
< |
assertTrue(f3.isDone()); |
1858 |
< |
assertFalse(f1.isCancelled()); |
1859 |
< |
assertTrue(f2.isCancelled()); |
1901 |
> |
assertEquals(l.size(), futures.size()); |
1902 |
> |
for (Future future : futures) |
1903 |
> |
assertTrue(future.isDone()); |
1904 |
> |
assertFalse(futures.get(0).isCancelled()); |
1905 |
> |
assertTrue(futures.get(1).isCancelled()); |
1906 |
|
} finally { |
1907 |
|
joinPool(e); |
1908 |
|
} |
1948 |
|
* allowCoreThreadTimeOut(true) causes idle threads to time out |
1949 |
|
*/ |
1950 |
|
public void testAllowCoreThreadTimeOut_true() throws Exception { |
1951 |
+ |
long coreThreadTimeOut = SHORT_DELAY_MS; |
1952 |
|
final ThreadPoolExecutor p = |
1953 |
|
new ThreadPoolExecutor(2, 10, |
1954 |
< |
SHORT_DELAY_MS, MILLISECONDS, |
1954 |
> |
coreThreadTimeOut, MILLISECONDS, |
1955 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1956 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
1957 |
|
try { |
1958 |
|
p.allowCoreThreadTimeOut(true); |
1959 |
|
p.execute(new CheckedRunnable() { |
1960 |
< |
public void realRun() throws InterruptedException { |
1960 |
> |
public void realRun() { |
1961 |
|
threadStarted.countDown(); |
1962 |
|
assertEquals(1, p.getPoolSize()); |
1963 |
|
}}); |
1964 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
1965 |
< |
for (int i = 0; i < (MEDIUM_DELAY_MS/10); i++) { |
1966 |
< |
if (p.getPoolSize() == 0) |
1967 |
< |
break; |
1968 |
< |
Thread.sleep(10); |
1969 |
< |
} |
1964 |
> |
await(threadStarted); |
1965 |
> |
delay(coreThreadTimeOut); |
1966 |
> |
long startTime = System.nanoTime(); |
1967 |
> |
while (p.getPoolSize() > 0 |
1968 |
> |
&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
1969 |
> |
Thread.yield(); |
1970 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1971 |
|
assertEquals(0, p.getPoolSize()); |
1972 |
|
} finally { |
1973 |
|
joinPool(p); |
1978 |
|
* allowCoreThreadTimeOut(false) causes idle threads not to time out |
1979 |
|
*/ |
1980 |
|
public void testAllowCoreThreadTimeOut_false() throws Exception { |
1981 |
+ |
long coreThreadTimeOut = SHORT_DELAY_MS; |
1982 |
|
final ThreadPoolExecutor p = |
1983 |
|
new ThreadPoolExecutor(2, 10, |
1984 |
< |
SHORT_DELAY_MS, MILLISECONDS, |
1984 |
> |
coreThreadTimeOut, MILLISECONDS, |
1985 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1986 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
1987 |
|
try { |
1991 |
|
threadStarted.countDown(); |
1992 |
|
assertTrue(p.getPoolSize() >= 1); |
1993 |
|
}}); |
1994 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1994 |
> |
delay(2 * coreThreadTimeOut); |
1995 |
|
assertTrue(p.getPoolSize() >= 1); |
1996 |
|
} finally { |
1997 |
|
joinPool(p); |
2025 |
|
// enough time to run all tasks |
2026 |
|
assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS)); |
2027 |
|
} finally { |
2028 |
< |
p.shutdown(); |
2028 |
> |
joinPool(p); |
2029 |
|
} |
2030 |
|
} |
2031 |
|
|