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/* |
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* Written by members of JCP JSR-166 Expert Group and released to the |
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* public domain. Use, modify, and redistribute this code in any way |
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* without acknowledgement. Other contributors include Andrew Wright, |
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* Jeffrey Hayes, Pat Fischer, Mike Judd. |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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|
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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|
12 |
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public class ScheduledExecutorTest extends TestCase{ |
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|
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boolean flag = false; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
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|
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import java.util.ArrayList; |
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.concurrent.BlockingQueue; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.ScheduledFuture; |
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import java.util.concurrent.ScheduledThreadPoolExecutor; |
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import java.util.concurrent.ThreadFactory; |
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import java.util.concurrent.ThreadPoolExecutor; |
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import java.util.concurrent.atomic.AtomicInteger; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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public class ScheduledExecutorTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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main(suite(), args); |
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} |
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|
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– |
|
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public static Test suite() { |
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return new TestSuite(ScheduledExecutorTest.class); |
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return new TestSuite(ScheduledExecutorTest.class); |
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} |
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|
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private static long SHORT_DELAY_MS = 100; |
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private static long MEDIUM_DELAY_MS = 1000; |
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private static long LONG_DELAY_MS = 10000; |
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|
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static class MyRunnable implements Runnable { |
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volatile boolean waiting = true; |
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volatile boolean done = false; |
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public void run(){ |
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try{ |
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Thread.sleep(MEDIUM_DELAY_MS); |
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waiting = false; |
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done = true; |
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} catch(Exception e){} |
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} |
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} |
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|
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static class MyCallable implements Callable { |
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volatile boolean waiting = true; |
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volatile boolean done = false; |
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public Object call(){ |
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try{ |
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Thread.sleep(MEDIUM_DELAY_MS); |
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waiting = false; |
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done = true; |
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}catch(Exception e){} |
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return Boolean.TRUE; |
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} |
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} |
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|
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/** |
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* Test to verify execute successfully runs the given Runnable |
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*/ |
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public void testExecute(){ |
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try{ |
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MyRunnable runnable =new MyRunnable(); |
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ScheduledExecutor one = new ScheduledExecutor(1); |
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one.execute(runnable); |
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Thread.sleep(100); |
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assertTrue(runnable.waiting); |
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one.shutdown(); |
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// make sure the Runnable has time to complete |
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try{Thread.sleep(1010);}catch(InterruptedException e){} |
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assertFalse(runnable.waiting); |
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assertTrue(runnable.done); |
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one.shutdown(); |
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} |
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catch(Exception e){ |
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fail("unexpected exception"); |
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} |
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} |
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|
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/** |
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* Test to verify schedule successfully runs the given Callable. |
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* The waiting flag shows that the Callable is not started until |
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* immediately. |
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*/ |
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public void testSchedule1(){ |
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try{ |
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MyCallable callable = new MyCallable(); |
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ScheduledExecutor one = new ScheduledExecutor(1); |
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Future f = one.schedule(callable, 500, TimeUnit.MILLISECONDS); |
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// Thread.sleep(505); |
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assertTrue(callable.waiting); |
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Thread.sleep(2000); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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one.shutdown(); |
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}catch(RejectedExecutionException e){} |
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catch(Exception e){} |
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} |
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|
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/** |
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* Another version of schedule, only using Runnable instead of Callable |
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*/ |
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public void testSchedule3(){ |
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try{ |
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MyRunnable runnable = new MyRunnable(); |
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ScheduledExecutor one = new ScheduledExecutor(1); |
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one.schedule(runnable, 500, TimeUnit.MILLISECONDS); |
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Thread.sleep(50); |
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assertTrue(runnable.waiting); |
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Thread.sleep(2000); |
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assertTrue(runnable.done); |
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one.shutdown(); |
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} catch(Exception e){ |
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fail("unexpected exception"); |
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} |
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} |
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|
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/** |
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* The final version of schedule, using both long, TimeUnit and Runnable |
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*/ |
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public void testSchedule4(){ |
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try{ |
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MyRunnable runnable = new MyRunnable(); |
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ScheduledExecutor one = new ScheduledExecutor(1); |
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one.schedule(runnable, 500, TimeUnit.MILLISECONDS); |
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// Thread.sleep(505); |
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assertTrue(runnable.waiting); |
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Thread.sleep(2000); |
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assertTrue(runnable.done); |
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one.shutdown(); |
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} catch(Exception e){ |
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fail("unexpected exception"); |
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} |
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} |
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|
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|
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// exception tests |
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|
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/** |
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* Test to verify schedule(Runnable, long) throws RejectedExecutionException |
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* This occurs on an attempt to schedule a task on a shutdown executor |
138 |
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*/ |
139 |
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public void testSchedule1_RejectedExecutionException(){ |
140 |
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try{ |
141 |
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ScheduledExecutor se = new ScheduledExecutor(1); |
142 |
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se.shutdown(); |
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se.schedule(new Runnable(){ |
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public void run(){} |
145 |
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}, 10000, TimeUnit.MILLISECONDS); |
146 |
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fail("shoud throw"); |
147 |
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}catch(RejectedExecutionException e){} |
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/** |
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* execute successfully executes a runnable |
43 |
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*/ |
44 |
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public void testExecute() throws InterruptedException { |
45 |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
46 |
> |
final CountDownLatch done = new CountDownLatch(1); |
47 |
> |
final Runnable task = new CheckedRunnable() { |
48 |
> |
public void realRun() { |
49 |
> |
done.countDown(); |
50 |
> |
}}; |
51 |
> |
try { |
52 |
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p.execute(task); |
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assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
54 |
> |
} finally { |
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joinPool(p); |
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> |
} |
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} |
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|
|
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/** |
60 |
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* Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException |
152 |
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* This occurs on an attempt to schedule a task on a shutdown executor |
60 |
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* delayed schedule of callable successfully executes after delay |
61 |
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*/ |
62 |
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public void testSchedule2_RejectedExecutionException(){ |
63 |
< |
try{ |
64 |
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ScheduledExecutor se = new ScheduledExecutor(1); |
65 |
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se.shutdown(); |
66 |
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se.schedule(new Callable(){ |
67 |
< |
public Object call(){ |
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< |
return Boolean.TRUE; |
69 |
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} |
70 |
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}, (long)100, TimeUnit.SECONDS); |
71 |
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fail("should throw"); |
72 |
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}catch(RejectedExecutionException e){} |
62 |
> |
public void testSchedule1() throws Exception { |
63 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
64 |
> |
final long startTime = System.nanoTime(); |
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> |
final CountDownLatch done = new CountDownLatch(1); |
66 |
> |
try { |
67 |
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Callable task = new CheckedCallable<Boolean>() { |
68 |
> |
public Boolean realCall() { |
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> |
done.countDown(); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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return Boolean.TRUE; |
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> |
}}; |
73 |
> |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
74 |
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assertSame(Boolean.TRUE, f.get()); |
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> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
76 |
> |
assertTrue(done.await(0L, MILLISECONDS)); |
77 |
> |
} finally { |
78 |
> |
joinPool(p); |
79 |
> |
} |
80 |
|
} |
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|
|
82 |
|
/** |
83 |
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* Test to verify schedule(Callable, long) throws RejectedExecutionException |
84 |
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* This occurs on an attempt to schedule a task on a shutdown executor |
85 |
< |
*/ |
86 |
< |
public void testSchedule3_RejectedExecutionException(){ |
87 |
< |
try{ |
88 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
89 |
< |
se.shutdown(); |
90 |
< |
se.schedule(new Callable(){ |
91 |
< |
public Object call(){ |
92 |
< |
return Boolean.TRUE; |
93 |
< |
} |
94 |
< |
}, 10000, TimeUnit.MILLISECONDS); |
95 |
< |
fail("should throw"); |
96 |
< |
}catch(RejectedExecutionException e){} |
83 |
> |
* delayed schedule of runnable successfully executes after delay |
84 |
> |
*/ |
85 |
> |
public void testSchedule3() throws Exception { |
86 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
87 |
> |
final long startTime = System.nanoTime(); |
88 |
> |
final CountDownLatch done = new CountDownLatch(1); |
89 |
> |
try { |
90 |
> |
Runnable task = new CheckedRunnable() { |
91 |
> |
public void realRun() { |
92 |
> |
done.countDown(); |
93 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
94 |
> |
}}; |
95 |
> |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
96 |
> |
await(done); |
97 |
> |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
98 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
99 |
> |
} finally { |
100 |
> |
joinPool(p); |
101 |
> |
} |
102 |
> |
} |
103 |
> |
|
104 |
> |
/** |
105 |
> |
* scheduleAtFixedRate executes runnable after given initial delay |
106 |
> |
*/ |
107 |
> |
public void testSchedule4() throws Exception { |
108 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
109 |
> |
final long startTime = System.nanoTime(); |
110 |
> |
final CountDownLatch done = new CountDownLatch(1); |
111 |
> |
try { |
112 |
> |
Runnable task = new CheckedRunnable() { |
113 |
> |
public void realRun() { |
114 |
> |
done.countDown(); |
115 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
116 |
> |
}}; |
117 |
> |
ScheduledFuture f = |
118 |
> |
p.scheduleAtFixedRate(task, timeoutMillis(), |
119 |
> |
LONG_DELAY_MS, MILLISECONDS); |
120 |
> |
await(done); |
121 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
122 |
> |
f.cancel(true); |
123 |
> |
} finally { |
124 |
> |
joinPool(p); |
125 |
> |
} |
126 |
> |
} |
127 |
> |
|
128 |
> |
/** |
129 |
> |
* scheduleWithFixedDelay executes runnable after given initial delay |
130 |
> |
*/ |
131 |
> |
public void testSchedule5() throws Exception { |
132 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
133 |
> |
final long startTime = System.nanoTime(); |
134 |
> |
final CountDownLatch done = new CountDownLatch(1); |
135 |
> |
try { |
136 |
> |
Runnable task = new CheckedRunnable() { |
137 |
> |
public void realRun() { |
138 |
> |
done.countDown(); |
139 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
140 |
> |
}}; |
141 |
> |
ScheduledFuture f = |
142 |
> |
p.scheduleWithFixedDelay(task, timeoutMillis(), |
143 |
> |
LONG_DELAY_MS, MILLISECONDS); |
144 |
> |
await(done); |
145 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
146 |
> |
f.cancel(true); |
147 |
> |
} finally { |
148 |
> |
joinPool(p); |
149 |
> |
} |
150 |
> |
} |
151 |
> |
|
152 |
> |
static class RunnableCounter implements Runnable { |
153 |
> |
AtomicInteger count = new AtomicInteger(0); |
154 |
> |
public void run() { count.getAndIncrement(); } |
155 |
> |
} |
156 |
> |
|
157 |
> |
/** |
158 |
> |
* scheduleAtFixedRate executes series of tasks at given rate |
159 |
> |
*/ |
160 |
> |
public void testFixedRateSequence() throws InterruptedException { |
161 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
162 |
> |
try { |
163 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
164 |
> |
long startTime = System.nanoTime(); |
165 |
> |
int cycles = 10; |
166 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
167 |
> |
Runnable task = new CheckedRunnable() { |
168 |
> |
public void realRun() { done.countDown(); }}; |
169 |
> |
ScheduledFuture h = |
170 |
> |
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
171 |
> |
done.await(); |
172 |
> |
h.cancel(true); |
173 |
> |
double normalizedTime = |
174 |
> |
(double) millisElapsedSince(startTime) / delay; |
175 |
> |
if (normalizedTime >= cycles - 1 && |
176 |
> |
normalizedTime <= cycles) |
177 |
> |
return; |
178 |
> |
} |
179 |
> |
throw new AssertionError("unexpected execution rate"); |
180 |
> |
} finally { |
181 |
> |
joinPool(p); |
182 |
> |
} |
183 |
|
} |
184 |
|
|
185 |
|
/** |
186 |
< |
* Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws |
187 |
< |
* RejectedExecutionException. |
188 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
189 |
< |
*/ |
190 |
< |
public void testScheduleAtFixedRate1_RejectedExecutionException(){ |
191 |
< |
try{ |
192 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
186 |
> |
* scheduleWithFixedDelay executes series of tasks with given period |
187 |
> |
*/ |
188 |
> |
public void testFixedDelaySequence() throws InterruptedException { |
189 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
190 |
> |
try { |
191 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
192 |
> |
long startTime = System.nanoTime(); |
193 |
> |
int cycles = 10; |
194 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
195 |
> |
Runnable task = new CheckedRunnable() { |
196 |
> |
public void realRun() { done.countDown(); }}; |
197 |
> |
ScheduledFuture h = |
198 |
> |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
199 |
> |
done.await(); |
200 |
> |
h.cancel(true); |
201 |
> |
double normalizedTime = |
202 |
> |
(double) millisElapsedSince(startTime) / delay; |
203 |
> |
if (normalizedTime >= cycles - 1 && |
204 |
> |
normalizedTime <= cycles) |
205 |
> |
return; |
206 |
> |
} |
207 |
> |
throw new AssertionError("unexpected execution rate"); |
208 |
> |
} finally { |
209 |
> |
joinPool(p); |
210 |
> |
} |
211 |
> |
} |
212 |
> |
|
213 |
> |
/** |
214 |
> |
* execute(null) throws NPE |
215 |
> |
*/ |
216 |
> |
public void testExecuteNull() throws InterruptedException { |
217 |
> |
ScheduledThreadPoolExecutor se = null; |
218 |
> |
try { |
219 |
> |
se = new ScheduledThreadPoolExecutor(1); |
220 |
> |
se.execute(null); |
221 |
> |
shouldThrow(); |
222 |
> |
} catch (NullPointerException success) {} |
223 |
> |
|
224 |
> |
joinPool(se); |
225 |
> |
} |
226 |
> |
|
227 |
> |
/** |
228 |
> |
* schedule(null) throws NPE |
229 |
> |
*/ |
230 |
> |
public void testScheduleNull() throws InterruptedException { |
231 |
> |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
232 |
> |
try { |
233 |
> |
TrackedCallable callable = null; |
234 |
> |
Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
235 |
> |
shouldThrow(); |
236 |
> |
} catch (NullPointerException success) {} |
237 |
> |
joinPool(se); |
238 |
> |
} |
239 |
> |
|
240 |
> |
/** |
241 |
> |
* execute throws RejectedExecutionException if shutdown |
242 |
> |
*/ |
243 |
> |
public void testSchedule1_RejectedExecutionException() throws InterruptedException { |
244 |
> |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
245 |
> |
try { |
246 |
|
se.shutdown(); |
247 |
< |
se.scheduleAtFixedRate(new Runnable(){ |
248 |
< |
public void run(){} |
249 |
< |
}, 100, 100, TimeUnit.SECONDS); |
250 |
< |
fail("should throw"); |
251 |
< |
}catch(RejectedExecutionException e){} |
252 |
< |
} |
253 |
< |
|
254 |
< |
/** |
255 |
< |
* Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws |
256 |
< |
* RejectedExecutionException. |
257 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
258 |
< |
*/ |
259 |
< |
public void testScheduleAtFixedRate2_RejectedExecutionException(){ |
260 |
< |
try{ |
261 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
247 |
> |
se.schedule(new NoOpRunnable(), |
248 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
249 |
> |
shouldThrow(); |
250 |
> |
} catch (RejectedExecutionException success) { |
251 |
> |
} catch (SecurityException ok) { |
252 |
> |
} |
253 |
> |
|
254 |
> |
joinPool(se); |
255 |
> |
} |
256 |
> |
|
257 |
> |
/** |
258 |
> |
* schedule throws RejectedExecutionException if shutdown |
259 |
> |
*/ |
260 |
> |
public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
261 |
> |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
262 |
> |
try { |
263 |
|
se.shutdown(); |
264 |
< |
se.scheduleAtFixedRate(new Runnable(){ |
265 |
< |
public void run(){} |
266 |
< |
}, 1, 100, TimeUnit.SECONDS); |
267 |
< |
fail("should throw"); |
268 |
< |
}catch(RejectedExecutionException e){} |
264 |
> |
se.schedule(new NoOpCallable(), |
265 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
266 |
> |
shouldThrow(); |
267 |
> |
} catch (RejectedExecutionException success) { |
268 |
> |
} catch (SecurityException ok) { |
269 |
> |
} |
270 |
> |
joinPool(se); |
271 |
|
} |
272 |
|
|
273 |
|
/** |
274 |
< |
* Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws |
218 |
< |
* RejectedExecutionException. |
219 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
274 |
> |
* schedule callable throws RejectedExecutionException if shutdown |
275 |
|
*/ |
276 |
< |
public void testScheduleWithFixedDelay1_RejectedExecutionException(){ |
277 |
< |
try{ |
278 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
276 |
> |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
277 |
> |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
278 |
> |
try { |
279 |
|
se.shutdown(); |
280 |
< |
se.scheduleWithFixedDelay(new Runnable(){ |
281 |
< |
public void run(){} |
282 |
< |
}, 100, 100, TimeUnit.SECONDS); |
283 |
< |
fail("should throw"); |
284 |
< |
}catch(RejectedExecutionException e){} |
280 |
> |
se.schedule(new NoOpCallable(), |
281 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
282 |
> |
shouldThrow(); |
283 |
> |
} catch (RejectedExecutionException success) { |
284 |
> |
} catch (SecurityException ok) { |
285 |
> |
} |
286 |
> |
joinPool(se); |
287 |
|
} |
288 |
|
|
289 |
|
/** |
290 |
< |
* Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws |
234 |
< |
* RejectedExecutionException. |
235 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
290 |
> |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
291 |
|
*/ |
292 |
< |
public void testScheduleWithFixedDelay2_RejectedExecutionException(){ |
293 |
< |
try{ |
294 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
292 |
> |
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
293 |
> |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
294 |
> |
try { |
295 |
|
se.shutdown(); |
296 |
< |
se.scheduleWithFixedDelay(new Runnable(){ |
297 |
< |
public void run(){} |
298 |
< |
}, 1, 100, TimeUnit.SECONDS); |
299 |
< |
fail("should throw"); |
300 |
< |
}catch(RejectedExecutionException e){} |
296 |
> |
se.scheduleAtFixedRate(new NoOpRunnable(), |
297 |
> |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
298 |
> |
shouldThrow(); |
299 |
> |
} catch (RejectedExecutionException success) { |
300 |
> |
} catch (SecurityException ok) { |
301 |
> |
} |
302 |
> |
joinPool(se); |
303 |
|
} |
304 |
|
|
305 |
|
/** |
306 |
< |
* Test to verify execute throws RejectedExecutionException |
250 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
306 |
> |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
307 |
|
*/ |
308 |
< |
public void testExecute_RejectedExecutionException(){ |
309 |
< |
try{ |
310 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
308 |
> |
public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
309 |
> |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
310 |
> |
try { |
311 |
|
se.shutdown(); |
312 |
< |
se.execute(new Runnable(){ |
313 |
< |
public void run(){} |
314 |
< |
}); |
315 |
< |
fail("should throw"); |
316 |
< |
}catch(RejectedExecutionException e){} |
312 |
> |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
313 |
> |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
314 |
> |
shouldThrow(); |
315 |
> |
} catch (RejectedExecutionException success) { |
316 |
> |
} catch (SecurityException ok) { |
317 |
> |
} |
318 |
> |
joinPool(se); |
319 |
> |
} |
320 |
> |
|
321 |
> |
/** |
322 |
> |
* getActiveCount increases but doesn't overestimate, when a |
323 |
> |
* thread becomes active |
324 |
> |
*/ |
325 |
> |
public void testGetActiveCount() throws InterruptedException { |
326 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
327 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
328 |
> |
final CountDownLatch done = new CountDownLatch(1); |
329 |
> |
try { |
330 |
> |
assertEquals(0, p.getActiveCount()); |
331 |
> |
p.execute(new CheckedRunnable() { |
332 |
> |
public void realRun() throws InterruptedException { |
333 |
> |
threadStarted.countDown(); |
334 |
> |
assertEquals(1, p.getActiveCount()); |
335 |
> |
done.await(); |
336 |
> |
}}); |
337 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
338 |
> |
assertEquals(1, p.getActiveCount()); |
339 |
> |
} finally { |
340 |
> |
done.countDown(); |
341 |
> |
joinPool(p); |
342 |
> |
} |
343 |
> |
} |
344 |
> |
|
345 |
> |
/** |
346 |
> |
* getCompletedTaskCount increases, but doesn't overestimate, |
347 |
> |
* when tasks complete |
348 |
> |
*/ |
349 |
> |
public void testGetCompletedTaskCount() throws InterruptedException { |
350 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
351 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
352 |
> |
final CountDownLatch threadProceed = new CountDownLatch(1); |
353 |
> |
final CountDownLatch threadDone = new CountDownLatch(1); |
354 |
> |
try { |
355 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
356 |
> |
p.execute(new CheckedRunnable() { |
357 |
> |
public void realRun() throws InterruptedException { |
358 |
> |
threadStarted.countDown(); |
359 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
360 |
> |
threadProceed.await(); |
361 |
> |
threadDone.countDown(); |
362 |
> |
}}); |
363 |
> |
await(threadStarted); |
364 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
365 |
> |
threadProceed.countDown(); |
366 |
> |
threadDone.await(); |
367 |
> |
long startTime = System.nanoTime(); |
368 |
> |
while (p.getCompletedTaskCount() != 1) { |
369 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
370 |
> |
fail("timed out"); |
371 |
> |
Thread.yield(); |
372 |
> |
} |
373 |
> |
} finally { |
374 |
> |
joinPool(p); |
375 |
> |
} |
376 |
> |
} |
377 |
> |
|
378 |
> |
/** |
379 |
> |
* getCorePoolSize returns size given in constructor if not otherwise set |
380 |
> |
*/ |
381 |
> |
public void testGetCorePoolSize() throws InterruptedException { |
382 |
> |
ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
383 |
> |
assertEquals(1, p.getCorePoolSize()); |
384 |
> |
joinPool(p); |
385 |
> |
} |
386 |
> |
|
387 |
> |
/** |
388 |
> |
* getLargestPoolSize increases, but doesn't overestimate, when |
389 |
> |
* multiple threads active |
390 |
> |
*/ |
391 |
> |
public void testGetLargestPoolSize() throws InterruptedException { |
392 |
> |
final int THREADS = 3; |
393 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS); |
394 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
395 |
> |
final CountDownLatch done = new CountDownLatch(1); |
396 |
> |
try { |
397 |
> |
assertEquals(0, p.getLargestPoolSize()); |
398 |
> |
for (int i = 0; i < THREADS; i++) |
399 |
> |
p.execute(new CheckedRunnable() { |
400 |
> |
public void realRun() throws InterruptedException { |
401 |
> |
threadsStarted.countDown(); |
402 |
> |
done.await(); |
403 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
404 |
> |
}}); |
405 |
> |
assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
406 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
407 |
> |
} finally { |
408 |
> |
done.countDown(); |
409 |
> |
joinPool(p); |
410 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
411 |
> |
} |
412 |
> |
} |
413 |
> |
|
414 |
> |
/** |
415 |
> |
* getPoolSize increases, but doesn't overestimate, when threads |
416 |
> |
* become active |
417 |
> |
*/ |
418 |
> |
public void testGetPoolSize() throws InterruptedException { |
419 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
420 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
421 |
> |
final CountDownLatch done = new CountDownLatch(1); |
422 |
> |
try { |
423 |
> |
assertEquals(0, p.getPoolSize()); |
424 |
> |
p.execute(new CheckedRunnable() { |
425 |
> |
public void realRun() throws InterruptedException { |
426 |
> |
threadStarted.countDown(); |
427 |
> |
assertEquals(1, p.getPoolSize()); |
428 |
> |
done.await(); |
429 |
> |
}}); |
430 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
431 |
> |
assertEquals(1, p.getPoolSize()); |
432 |
> |
} finally { |
433 |
> |
done.countDown(); |
434 |
> |
joinPool(p); |
435 |
> |
} |
436 |
> |
} |
437 |
> |
|
438 |
> |
/** |
439 |
> |
* getTaskCount increases, but doesn't overestimate, when tasks |
440 |
> |
* submitted |
441 |
> |
*/ |
442 |
> |
public void testGetTaskCount() throws InterruptedException { |
443 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
444 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
445 |
> |
final CountDownLatch done = new CountDownLatch(1); |
446 |
> |
final int TASKS = 5; |
447 |
> |
try { |
448 |
> |
assertEquals(0, p.getTaskCount()); |
449 |
> |
for (int i = 0; i < TASKS; i++) |
450 |
> |
p.execute(new CheckedRunnable() { |
451 |
> |
public void realRun() throws InterruptedException { |
452 |
> |
threadStarted.countDown(); |
453 |
> |
done.await(); |
454 |
> |
}}); |
455 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
456 |
> |
assertEquals(TASKS, p.getTaskCount()); |
457 |
> |
} finally { |
458 |
> |
done.countDown(); |
459 |
> |
joinPool(p); |
460 |
> |
} |
461 |
> |
} |
462 |
> |
|
463 |
> |
/** |
464 |
> |
* getThreadFactory returns factory in constructor if not set |
465 |
> |
*/ |
466 |
> |
public void testGetThreadFactory() throws InterruptedException { |
467 |
> |
ThreadFactory tf = new SimpleThreadFactory(); |
468 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf); |
469 |
> |
assertSame(tf, p.getThreadFactory()); |
470 |
> |
joinPool(p); |
471 |
> |
} |
472 |
> |
|
473 |
> |
/** |
474 |
> |
* setThreadFactory sets the thread factory returned by getThreadFactory |
475 |
> |
*/ |
476 |
> |
public void testSetThreadFactory() throws InterruptedException { |
477 |
> |
ThreadFactory tf = new SimpleThreadFactory(); |
478 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
479 |
> |
p.setThreadFactory(tf); |
480 |
> |
assertSame(tf, p.getThreadFactory()); |
481 |
> |
joinPool(p); |
482 |
> |
} |
483 |
> |
|
484 |
> |
/** |
485 |
> |
* setThreadFactory(null) throws NPE |
486 |
> |
*/ |
487 |
> |
public void testSetThreadFactoryNull() throws InterruptedException { |
488 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
489 |
> |
try { |
490 |
> |
p.setThreadFactory(null); |
491 |
> |
shouldThrow(); |
492 |
> |
} catch (NullPointerException success) { |
493 |
> |
} finally { |
494 |
> |
joinPool(p); |
495 |
> |
} |
496 |
> |
} |
497 |
> |
|
498 |
> |
/** |
499 |
> |
* isShutdown is false before shutdown, true after |
500 |
> |
*/ |
501 |
> |
public void testIsShutdown() { |
502 |
> |
|
503 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
504 |
> |
try { |
505 |
> |
assertFalse(p.isShutdown()); |
506 |
> |
} |
507 |
> |
finally { |
508 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
509 |
> |
} |
510 |
> |
assertTrue(p.isShutdown()); |
511 |
> |
} |
512 |
> |
|
513 |
> |
/** |
514 |
> |
* isTerminated is false before termination, true after |
515 |
> |
*/ |
516 |
> |
public void testIsTerminated() throws InterruptedException { |
517 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
518 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
519 |
> |
final CountDownLatch done = new CountDownLatch(1); |
520 |
> |
assertFalse(p.isTerminated()); |
521 |
> |
try { |
522 |
> |
p.execute(new CheckedRunnable() { |
523 |
> |
public void realRun() throws InterruptedException { |
524 |
> |
assertFalse(p.isTerminated()); |
525 |
> |
threadStarted.countDown(); |
526 |
> |
done.await(); |
527 |
> |
}}); |
528 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
529 |
> |
assertFalse(p.isTerminating()); |
530 |
> |
done.countDown(); |
531 |
> |
} finally { |
532 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
533 |
> |
} |
534 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
535 |
> |
assertTrue(p.isTerminated()); |
536 |
> |
} |
537 |
> |
|
538 |
> |
/** |
539 |
> |
* isTerminating is not true when running or when terminated |
540 |
> |
*/ |
541 |
> |
public void testIsTerminating() throws InterruptedException { |
542 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
543 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
544 |
> |
final CountDownLatch done = new CountDownLatch(1); |
545 |
> |
try { |
546 |
> |
assertFalse(p.isTerminating()); |
547 |
> |
p.execute(new CheckedRunnable() { |
548 |
> |
public void realRun() throws InterruptedException { |
549 |
> |
assertFalse(p.isTerminating()); |
550 |
> |
threadStarted.countDown(); |
551 |
> |
done.await(); |
552 |
> |
}}); |
553 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
554 |
> |
assertFalse(p.isTerminating()); |
555 |
> |
done.countDown(); |
556 |
> |
} finally { |
557 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
558 |
> |
} |
559 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
560 |
> |
assertTrue(p.isTerminated()); |
561 |
> |
assertFalse(p.isTerminating()); |
562 |
> |
} |
563 |
> |
|
564 |
> |
/** |
565 |
> |
* getQueue returns the work queue, which contains queued tasks |
566 |
> |
*/ |
567 |
> |
public void testGetQueue() throws InterruptedException { |
568 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
569 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
570 |
> |
final CountDownLatch done = new CountDownLatch(1); |
571 |
> |
try { |
572 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
573 |
> |
for (int i = 0; i < tasks.length; i++) { |
574 |
> |
Runnable r = new CheckedRunnable() { |
575 |
> |
public void realRun() throws InterruptedException { |
576 |
> |
threadStarted.countDown(); |
577 |
> |
done.await(); |
578 |
> |
}}; |
579 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
580 |
> |
} |
581 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
582 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
583 |
> |
assertTrue(q.contains(tasks[tasks.length - 1])); |
584 |
> |
assertFalse(q.contains(tasks[0])); |
585 |
> |
} finally { |
586 |
> |
done.countDown(); |
587 |
> |
joinPool(p); |
588 |
> |
} |
589 |
> |
} |
590 |
> |
|
591 |
> |
/** |
592 |
> |
* remove(task) removes queued task, and fails to remove active task |
593 |
> |
*/ |
594 |
> |
public void testRemove() throws InterruptedException { |
595 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
596 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
597 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
598 |
> |
final CountDownLatch done = new CountDownLatch(1); |
599 |
> |
try { |
600 |
> |
for (int i = 0; i < tasks.length; i++) { |
601 |
> |
Runnable r = new CheckedRunnable() { |
602 |
> |
public void realRun() throws InterruptedException { |
603 |
> |
threadStarted.countDown(); |
604 |
> |
done.await(); |
605 |
> |
}}; |
606 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
607 |
> |
} |
608 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
609 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
610 |
> |
assertFalse(p.remove((Runnable)tasks[0])); |
611 |
> |
assertTrue(q.contains((Runnable)tasks[4])); |
612 |
> |
assertTrue(q.contains((Runnable)tasks[3])); |
613 |
> |
assertTrue(p.remove((Runnable)tasks[4])); |
614 |
> |
assertFalse(p.remove((Runnable)tasks[4])); |
615 |
> |
assertFalse(q.contains((Runnable)tasks[4])); |
616 |
> |
assertTrue(q.contains((Runnable)tasks[3])); |
617 |
> |
assertTrue(p.remove((Runnable)tasks[3])); |
618 |
> |
assertFalse(q.contains((Runnable)tasks[3])); |
619 |
> |
} finally { |
620 |
> |
done.countDown(); |
621 |
> |
joinPool(p); |
622 |
> |
} |
623 |
> |
} |
624 |
> |
|
625 |
> |
/** |
626 |
> |
* purge eventually removes cancelled tasks from the queue |
627 |
> |
*/ |
628 |
> |
public void testPurge() throws InterruptedException { |
629 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
630 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
631 |
> |
for (int i = 0; i < tasks.length; i++) |
632 |
> |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
633 |
> |
LONG_DELAY_MS, MILLISECONDS); |
634 |
> |
try { |
635 |
> |
int max = tasks.length; |
636 |
> |
if (tasks[4].cancel(true)) --max; |
637 |
> |
if (tasks[3].cancel(true)) --max; |
638 |
> |
// There must eventually be an interference-free point at |
639 |
> |
// which purge will not fail. (At worst, when queue is empty.) |
640 |
> |
long startTime = System.nanoTime(); |
641 |
> |
do { |
642 |
> |
p.purge(); |
643 |
> |
long count = p.getTaskCount(); |
644 |
> |
if (count == max) |
645 |
> |
return; |
646 |
> |
} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS); |
647 |
> |
fail("Purge failed to remove cancelled tasks"); |
648 |
> |
} finally { |
649 |
> |
for (ScheduledFuture task : tasks) |
650 |
> |
task.cancel(true); |
651 |
> |
joinPool(p); |
652 |
> |
} |
653 |
> |
} |
654 |
> |
|
655 |
> |
/** |
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 |
> |
Runnable 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 |
> |
assertEquals(poolSize, p.getActiveCount()); |
677 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
678 |
> |
final List<Runnable> queuedTasks; |
679 |
> |
try { |
680 |
> |
queuedTasks = p.shutdownNow(); |
681 |
> |
} catch (SecurityException ok) { |
682 |
> |
return; // Allowed in case test doesn't have privs |
683 |
> |
} |
684 |
> |
assertTrue(p.isShutdown()); |
685 |
> |
assertTrue(p.getQueue().isEmpty()); |
686 |
> |
assertEquals(count - poolSize, queuedTasks.size()); |
687 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
688 |
> |
assertTrue(p.isTerminated()); |
689 |
> |
assertEquals(poolSize, ran.get()); |
690 |
> |
assertEquals(poolSize, p.getCompletedTaskCount()); |
691 |
> |
} |
692 |
> |
|
693 |
> |
/** |
694 |
> |
* shutdownNow returns a list containing tasks that were not run, |
695 |
> |
* and those tasks are drained from the queue |
696 |
> |
*/ |
697 |
> |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
698 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
699 |
> |
List<ScheduledFuture> tasks = new ArrayList<>(); |
700 |
> |
for (int i = 0; i < 3; i++) { |
701 |
> |
Runnable r = new NoOpRunnable(); |
702 |
> |
tasks.add(p.schedule(r, 9, SECONDS)); |
703 |
> |
tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
704 |
> |
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
705 |
> |
} |
706 |
> |
if (testImplementationDetails) |
707 |
> |
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
708 |
> |
final List<Runnable> queuedTasks; |
709 |
> |
try { |
710 |
> |
queuedTasks = p.shutdownNow(); |
711 |
> |
} catch (SecurityException ok) { |
712 |
> |
return; // Allowed in case test doesn't have privs |
713 |
> |
} |
714 |
> |
assertTrue(p.isShutdown()); |
715 |
> |
assertTrue(p.getQueue().isEmpty()); |
716 |
> |
if (testImplementationDetails) |
717 |
> |
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
718 |
> |
assertEquals(tasks.size(), queuedTasks.size()); |
719 |
> |
for (ScheduledFuture task : tasks) { |
720 |
> |
assertFalse(task.isDone()); |
721 |
> |
assertFalse(task.isCancelled()); |
722 |
> |
} |
723 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
724 |
> |
assertTrue(p.isTerminated()); |
725 |
> |
} |
726 |
> |
|
727 |
> |
/** |
728 |
> |
* By default, periodic tasks are cancelled at shutdown. |
729 |
> |
* By default, delayed tasks keep running after shutdown. |
730 |
> |
* Check that changing the default values work: |
731 |
> |
* - setExecuteExistingDelayedTasksAfterShutdownPolicy |
732 |
> |
* - setContinueExistingPeriodicTasksAfterShutdownPolicy |
733 |
> |
*/ |
734 |
> |
public void testShutdown_cancellation() throws Exception { |
735 |
> |
Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE }; |
736 |
> |
for (Boolean policy : allBooleans) |
737 |
> |
{ |
738 |
> |
final int poolSize = 2; |
739 |
> |
final ScheduledThreadPoolExecutor p |
740 |
> |
= new ScheduledThreadPoolExecutor(poolSize); |
741 |
> |
final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE); |
742 |
> |
final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE); |
743 |
> |
final boolean effectiveRemovePolicy = (policy == Boolean.TRUE); |
744 |
> |
if (policy != null) { |
745 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy); |
746 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy); |
747 |
> |
p.setRemoveOnCancelPolicy(policy); |
748 |
> |
} |
749 |
> |
assertEquals(effectiveDelayedPolicy, |
750 |
> |
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
751 |
> |
assertEquals(effectivePeriodicPolicy, |
752 |
> |
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
753 |
> |
assertEquals(effectiveRemovePolicy, |
754 |
> |
p.getRemoveOnCancelPolicy()); |
755 |
> |
// Strategy: Wedge the pool with poolSize "blocker" threads |
756 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
757 |
> |
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
758 |
> |
final CountDownLatch unblock = new CountDownLatch(1); |
759 |
> |
final CountDownLatch periodicLatch1 = new CountDownLatch(2); |
760 |
> |
final CountDownLatch periodicLatch2 = new CountDownLatch(2); |
761 |
> |
Runnable task = new CheckedRunnable() { public void realRun() |
762 |
> |
throws InterruptedException { |
763 |
> |
poolBlocked.countDown(); |
764 |
> |
assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS)); |
765 |
> |
ran.getAndIncrement(); |
766 |
> |
}}; |
767 |
> |
List<Future<?>> blockers = new ArrayList<>(); |
768 |
> |
List<Future<?>> periodics = new ArrayList<>(); |
769 |
> |
List<Future<?>> delayeds = new ArrayList<>(); |
770 |
> |
for (int i = 0; i < poolSize; i++) |
771 |
> |
blockers.add(p.submit(task)); |
772 |
> |
assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS)); |
773 |
> |
|
774 |
> |
periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1), |
775 |
> |
1, 1, MILLISECONDS)); |
776 |
> |
periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2), |
777 |
> |
1, 1, MILLISECONDS)); |
778 |
> |
delayeds.add(p.schedule(task, 1, MILLISECONDS)); |
779 |
> |
|
780 |
> |
assertTrue(p.getQueue().containsAll(periodics)); |
781 |
> |
assertTrue(p.getQueue().containsAll(delayeds)); |
782 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
783 |
> |
assertTrue(p.isShutdown()); |
784 |
> |
assertFalse(p.isTerminated()); |
785 |
> |
for (Future<?> periodic : periodics) { |
786 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled()); |
787 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isDone()); |
788 |
> |
} |
789 |
> |
for (Future<?> delayed : delayeds) { |
790 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled()); |
791 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isDone()); |
792 |
> |
} |
793 |
> |
if (testImplementationDetails) { |
794 |
> |
assertEquals(effectivePeriodicPolicy, |
795 |
> |
p.getQueue().containsAll(periodics)); |
796 |
> |
assertEquals(effectiveDelayedPolicy, |
797 |
> |
p.getQueue().containsAll(delayeds)); |
798 |
> |
} |
799 |
> |
// Release all pool threads |
800 |
> |
unblock.countDown(); |
801 |
> |
|
802 |
> |
for (Future<?> delayed : delayeds) { |
803 |
> |
if (effectiveDelayedPolicy) { |
804 |
> |
assertNull(delayed.get()); |
805 |
> |
} |
806 |
> |
} |
807 |
> |
if (effectivePeriodicPolicy) { |
808 |
> |
assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS)); |
809 |
> |
assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS)); |
810 |
> |
for (Future<?> periodic : periodics) { |
811 |
> |
assertTrue(periodic.cancel(false)); |
812 |
> |
assertTrue(periodic.isCancelled()); |
813 |
> |
assertTrue(periodic.isDone()); |
814 |
> |
} |
815 |
> |
} |
816 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
817 |
> |
assertTrue(p.isTerminated()); |
818 |
> |
assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get()); |
819 |
> |
}} |
820 |
> |
|
821 |
> |
/** |
822 |
> |
* completed submit of callable returns result |
823 |
> |
*/ |
824 |
> |
public void testSubmitCallable() throws Exception { |
825 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
826 |
> |
try { |
827 |
> |
Future<String> future = e.submit(new StringTask()); |
828 |
> |
String result = future.get(); |
829 |
> |
assertSame(TEST_STRING, result); |
830 |
> |
} finally { |
831 |
> |
joinPool(e); |
832 |
> |
} |
833 |
> |
} |
834 |
> |
|
835 |
> |
/** |
836 |
> |
* completed submit of runnable returns successfully |
837 |
> |
*/ |
838 |
> |
public void testSubmitRunnable() throws Exception { |
839 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
840 |
> |
try { |
841 |
> |
Future<?> future = e.submit(new NoOpRunnable()); |
842 |
> |
future.get(); |
843 |
> |
assertTrue(future.isDone()); |
844 |
> |
} finally { |
845 |
> |
joinPool(e); |
846 |
> |
} |
847 |
> |
} |
848 |
> |
|
849 |
> |
/** |
850 |
> |
* completed submit of (runnable, result) returns result |
851 |
> |
*/ |
852 |
> |
public void testSubmitRunnable2() throws Exception { |
853 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
854 |
> |
try { |
855 |
> |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
856 |
> |
String result = future.get(); |
857 |
> |
assertSame(TEST_STRING, result); |
858 |
> |
} finally { |
859 |
> |
joinPool(e); |
860 |
> |
} |
861 |
> |
} |
862 |
> |
|
863 |
> |
/** |
864 |
> |
* invokeAny(null) throws NPE |
865 |
> |
*/ |
866 |
> |
public void testInvokeAny1() throws Exception { |
867 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
868 |
> |
try { |
869 |
> |
e.invokeAny(null); |
870 |
> |
shouldThrow(); |
871 |
> |
} catch (NullPointerException success) { |
872 |
> |
} finally { |
873 |
> |
joinPool(e); |
874 |
> |
} |
875 |
> |
} |
876 |
> |
|
877 |
> |
/** |
878 |
> |
* invokeAny(empty collection) throws IAE |
879 |
> |
*/ |
880 |
> |
public void testInvokeAny2() throws Exception { |
881 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
882 |
> |
try { |
883 |
> |
e.invokeAny(new ArrayList<Callable<String>>()); |
884 |
> |
shouldThrow(); |
885 |
> |
} catch (IllegalArgumentException success) { |
886 |
> |
} finally { |
887 |
> |
joinPool(e); |
888 |
> |
} |
889 |
> |
} |
890 |
> |
|
891 |
> |
/** |
892 |
> |
* invokeAny(c) throws NPE if c has null elements |
893 |
> |
*/ |
894 |
> |
public void testInvokeAny3() throws Exception { |
895 |
> |
CountDownLatch latch = new CountDownLatch(1); |
896 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
897 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
898 |
> |
l.add(latchAwaitingStringTask(latch)); |
899 |
> |
l.add(null); |
900 |
> |
try { |
901 |
> |
e.invokeAny(l); |
902 |
> |
shouldThrow(); |
903 |
> |
} catch (NullPointerException success) { |
904 |
> |
} finally { |
905 |
> |
latch.countDown(); |
906 |
> |
joinPool(e); |
907 |
> |
} |
908 |
> |
} |
909 |
> |
|
910 |
> |
/** |
911 |
> |
* invokeAny(c) throws ExecutionException if no task completes |
912 |
> |
*/ |
913 |
> |
public void testInvokeAny4() throws Exception { |
914 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
915 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
916 |
> |
l.add(new NPETask()); |
917 |
> |
try { |
918 |
> |
e.invokeAny(l); |
919 |
> |
shouldThrow(); |
920 |
> |
} catch (ExecutionException success) { |
921 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
922 |
> |
} finally { |
923 |
> |
joinPool(e); |
924 |
> |
} |
925 |
> |
} |
926 |
> |
|
927 |
> |
/** |
928 |
> |
* invokeAny(c) returns result of some task |
929 |
> |
*/ |
930 |
> |
public void testInvokeAny5() throws Exception { |
931 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
932 |
> |
try { |
933 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
934 |
> |
l.add(new StringTask()); |
935 |
> |
l.add(new StringTask()); |
936 |
> |
String result = e.invokeAny(l); |
937 |
> |
assertSame(TEST_STRING, result); |
938 |
> |
} finally { |
939 |
> |
joinPool(e); |
940 |
> |
} |
941 |
> |
} |
942 |
> |
|
943 |
> |
/** |
944 |
> |
* invokeAll(null) throws NPE |
945 |
> |
*/ |
946 |
> |
public void testInvokeAll1() throws Exception { |
947 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
948 |
> |
try { |
949 |
> |
e.invokeAll(null); |
950 |
> |
shouldThrow(); |
951 |
> |
} catch (NullPointerException success) { |
952 |
> |
} finally { |
953 |
> |
joinPool(e); |
954 |
> |
} |
955 |
> |
} |
956 |
> |
|
957 |
> |
/** |
958 |
> |
* invokeAll(empty collection) returns empty collection |
959 |
> |
*/ |
960 |
> |
public void testInvokeAll2() throws Exception { |
961 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
962 |
> |
try { |
963 |
> |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
964 |
> |
assertTrue(r.isEmpty()); |
965 |
> |
} finally { |
966 |
> |
joinPool(e); |
967 |
> |
} |
968 |
> |
} |
969 |
> |
|
970 |
> |
/** |
971 |
> |
* invokeAll(c) throws NPE if c has null elements |
972 |
> |
*/ |
973 |
> |
public void testInvokeAll3() throws Exception { |
974 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
975 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
976 |
> |
l.add(new StringTask()); |
977 |
> |
l.add(null); |
978 |
> |
try { |
979 |
> |
e.invokeAll(l); |
980 |
> |
shouldThrow(); |
981 |
> |
} catch (NullPointerException success) { |
982 |
> |
} finally { |
983 |
> |
joinPool(e); |
984 |
> |
} |
985 |
> |
} |
986 |
> |
|
987 |
> |
/** |
988 |
> |
* get of invokeAll(c) throws exception on failed task |
989 |
> |
*/ |
990 |
> |
public void testInvokeAll4() throws Exception { |
991 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
992 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
993 |
> |
l.add(new NPETask()); |
994 |
> |
List<Future<String>> futures = e.invokeAll(l); |
995 |
> |
assertEquals(1, futures.size()); |
996 |
> |
try { |
997 |
> |
futures.get(0).get(); |
998 |
> |
shouldThrow(); |
999 |
> |
} catch (ExecutionException success) { |
1000 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1001 |
> |
} finally { |
1002 |
> |
joinPool(e); |
1003 |
> |
} |
1004 |
> |
} |
1005 |
> |
|
1006 |
> |
/** |
1007 |
> |
* invokeAll(c) returns results of all completed tasks |
1008 |
> |
*/ |
1009 |
> |
public void testInvokeAll5() throws Exception { |
1010 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1011 |
> |
try { |
1012 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1013 |
> |
l.add(new StringTask()); |
1014 |
> |
l.add(new StringTask()); |
1015 |
> |
List<Future<String>> futures = e.invokeAll(l); |
1016 |
> |
assertEquals(2, futures.size()); |
1017 |
> |
for (Future<String> future : futures) |
1018 |
> |
assertSame(TEST_STRING, future.get()); |
1019 |
> |
} finally { |
1020 |
> |
joinPool(e); |
1021 |
> |
} |
1022 |
> |
} |
1023 |
> |
|
1024 |
> |
/** |
1025 |
> |
* timed invokeAny(null) throws NPE |
1026 |
> |
*/ |
1027 |
> |
public void testTimedInvokeAny1() throws Exception { |
1028 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1029 |
> |
try { |
1030 |
> |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1031 |
> |
shouldThrow(); |
1032 |
> |
} catch (NullPointerException success) { |
1033 |
> |
} finally { |
1034 |
> |
joinPool(e); |
1035 |
> |
} |
1036 |
> |
} |
1037 |
> |
|
1038 |
> |
/** |
1039 |
> |
* timed invokeAny(,,null) throws NPE |
1040 |
> |
*/ |
1041 |
> |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1042 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1043 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1044 |
> |
l.add(new StringTask()); |
1045 |
> |
try { |
1046 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1047 |
> |
shouldThrow(); |
1048 |
> |
} catch (NullPointerException success) { |
1049 |
> |
} finally { |
1050 |
> |
joinPool(e); |
1051 |
> |
} |
1052 |
> |
} |
1053 |
> |
|
1054 |
> |
/** |
1055 |
> |
* timed invokeAny(empty collection) throws IAE |
1056 |
> |
*/ |
1057 |
> |
public void testTimedInvokeAny2() throws Exception { |
1058 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1059 |
> |
try { |
1060 |
> |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1061 |
> |
shouldThrow(); |
1062 |
> |
} catch (IllegalArgumentException success) { |
1063 |
> |
} finally { |
1064 |
> |
joinPool(e); |
1065 |
> |
} |
1066 |
> |
} |
1067 |
> |
|
1068 |
> |
/** |
1069 |
> |
* timed invokeAny(c) throws NPE if c has null elements |
1070 |
> |
*/ |
1071 |
> |
public void testTimedInvokeAny3() throws Exception { |
1072 |
> |
CountDownLatch latch = new CountDownLatch(1); |
1073 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1074 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1075 |
> |
l.add(latchAwaitingStringTask(latch)); |
1076 |
> |
l.add(null); |
1077 |
> |
try { |
1078 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1079 |
> |
shouldThrow(); |
1080 |
> |
} catch (NullPointerException success) { |
1081 |
> |
} finally { |
1082 |
> |
latch.countDown(); |
1083 |
> |
joinPool(e); |
1084 |
> |
} |
1085 |
> |
} |
1086 |
> |
|
1087 |
> |
/** |
1088 |
> |
* timed invokeAny(c) throws ExecutionException if no task completes |
1089 |
> |
*/ |
1090 |
> |
public void testTimedInvokeAny4() throws Exception { |
1091 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1092 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1093 |
> |
l.add(new NPETask()); |
1094 |
> |
try { |
1095 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1096 |
> |
shouldThrow(); |
1097 |
> |
} catch (ExecutionException success) { |
1098 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1099 |
> |
} finally { |
1100 |
> |
joinPool(e); |
1101 |
> |
} |
1102 |
> |
} |
1103 |
> |
|
1104 |
> |
/** |
1105 |
> |
* timed invokeAny(c) returns result of some task |
1106 |
> |
*/ |
1107 |
> |
public void testTimedInvokeAny5() throws Exception { |
1108 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1109 |
> |
try { |
1110 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1111 |
> |
l.add(new StringTask()); |
1112 |
> |
l.add(new StringTask()); |
1113 |
> |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1114 |
> |
assertSame(TEST_STRING, result); |
1115 |
> |
} finally { |
1116 |
> |
joinPool(e); |
1117 |
> |
} |
1118 |
> |
} |
1119 |
> |
|
1120 |
> |
/** |
1121 |
> |
* timed invokeAll(null) throws NPE |
1122 |
> |
*/ |
1123 |
> |
public void testTimedInvokeAll1() throws Exception { |
1124 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1125 |
> |
try { |
1126 |
> |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1127 |
> |
shouldThrow(); |
1128 |
> |
} catch (NullPointerException success) { |
1129 |
> |
} finally { |
1130 |
> |
joinPool(e); |
1131 |
> |
} |
1132 |
> |
} |
1133 |
> |
|
1134 |
> |
/** |
1135 |
> |
* timed invokeAll(,,null) throws NPE |
1136 |
> |
*/ |
1137 |
> |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1138 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1139 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1140 |
> |
l.add(new StringTask()); |
1141 |
> |
try { |
1142 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1143 |
> |
shouldThrow(); |
1144 |
> |
} catch (NullPointerException success) { |
1145 |
> |
} finally { |
1146 |
> |
joinPool(e); |
1147 |
> |
} |
1148 |
> |
} |
1149 |
> |
|
1150 |
> |
/** |
1151 |
> |
* timed invokeAll(empty collection) returns empty collection |
1152 |
> |
*/ |
1153 |
> |
public void testTimedInvokeAll2() throws Exception { |
1154 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1155 |
> |
try { |
1156 |
> |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1157 |
> |
assertTrue(r.isEmpty()); |
1158 |
> |
} finally { |
1159 |
> |
joinPool(e); |
1160 |
> |
} |
1161 |
> |
} |
1162 |
> |
|
1163 |
> |
/** |
1164 |
> |
* timed invokeAll(c) throws NPE if c has null elements |
1165 |
> |
*/ |
1166 |
> |
public void testTimedInvokeAll3() throws Exception { |
1167 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1168 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1169 |
> |
l.add(new StringTask()); |
1170 |
> |
l.add(null); |
1171 |
> |
try { |
1172 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1173 |
> |
shouldThrow(); |
1174 |
> |
} catch (NullPointerException success) { |
1175 |
> |
} finally { |
1176 |
> |
joinPool(e); |
1177 |
> |
} |
1178 |
> |
} |
1179 |
> |
|
1180 |
> |
/** |
1181 |
> |
* get of element of invokeAll(c) throws exception on failed task |
1182 |
> |
*/ |
1183 |
> |
public void testTimedInvokeAll4() throws Exception { |
1184 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1185 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1186 |
> |
l.add(new NPETask()); |
1187 |
> |
List<Future<String>> futures = |
1188 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1189 |
> |
assertEquals(1, futures.size()); |
1190 |
> |
try { |
1191 |
> |
futures.get(0).get(); |
1192 |
> |
shouldThrow(); |
1193 |
> |
} catch (ExecutionException success) { |
1194 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1195 |
> |
} finally { |
1196 |
> |
joinPool(e); |
1197 |
> |
} |
1198 |
> |
} |
1199 |
> |
|
1200 |
> |
/** |
1201 |
> |
* timed invokeAll(c) returns results of all completed tasks |
1202 |
> |
*/ |
1203 |
> |
public void testTimedInvokeAll5() throws Exception { |
1204 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1205 |
> |
try { |
1206 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1207 |
> |
l.add(new StringTask()); |
1208 |
> |
l.add(new StringTask()); |
1209 |
> |
List<Future<String>> futures = |
1210 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1211 |
> |
assertEquals(2, futures.size()); |
1212 |
> |
for (Future<String> future : futures) |
1213 |
> |
assertSame(TEST_STRING, future.get()); |
1214 |
> |
} finally { |
1215 |
> |
joinPool(e); |
1216 |
> |
} |
1217 |
> |
} |
1218 |
> |
|
1219 |
> |
/** |
1220 |
> |
* timed invokeAll(c) cancels tasks not completed by timeout |
1221 |
> |
*/ |
1222 |
> |
public void testTimedInvokeAll6() throws Exception { |
1223 |
> |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1224 |
> |
try { |
1225 |
> |
for (long timeout = timeoutMillis();;) { |
1226 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1227 |
> |
tasks.add(new StringTask("0")); |
1228 |
> |
tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING)); |
1229 |
> |
tasks.add(new StringTask("2")); |
1230 |
> |
long startTime = System.nanoTime(); |
1231 |
> |
List<Future<String>> futures = |
1232 |
> |
e.invokeAll(tasks, timeout, MILLISECONDS); |
1233 |
> |
assertEquals(tasks.size(), futures.size()); |
1234 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1235 |
> |
for (Future future : futures) |
1236 |
> |
assertTrue(future.isDone()); |
1237 |
> |
assertTrue(futures.get(1).isCancelled()); |
1238 |
> |
try { |
1239 |
> |
assertEquals("0", futures.get(0).get()); |
1240 |
> |
assertEquals("2", futures.get(2).get()); |
1241 |
> |
break; |
1242 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1243 |
> |
timeout *= 2; |
1244 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1245 |
> |
fail("expected exactly one task to be cancelled"); |
1246 |
> |
} |
1247 |
> |
} |
1248 |
> |
} finally { |
1249 |
> |
joinPool(e); |
1250 |
> |
} |
1251 |
|
} |
1252 |
|
|
1253 |
|
} |