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* Pat Fisher, Mike Judd. |
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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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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.security.*; |
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|
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import java.security.AccessControlContext; |
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import java.security.AccessControlException; |
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import java.security.AccessController; |
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import java.security.PrivilegedAction; |
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import java.security.PrivilegedExceptionAction; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CountDownLatch; |
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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.ScheduledExecutorService; |
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import java.util.concurrent.ThreadPoolExecutor; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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public class ExecutorsTest 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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public static Test suite() { |
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return new TestSuite(ExecutorsTest.class); |
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* A newCachedThreadPool can execute runnables |
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*/ |
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public void testNewCachedThreadPool1() { |
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ExecutorService e = Executors.newCachedThreadPool(); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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final ExecutorService e = Executors.newCachedThreadPool(); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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} |
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} |
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|
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/** |
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* A newCachedThreadPool with given ThreadFactory can execute runnables |
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*/ |
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public void testNewCachedThreadPool2() { |
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ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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final ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory()); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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} |
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} |
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/** |
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* A new SingleThreadExecutor can execute runnables |
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*/ |
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public void testNewSingleThreadExecutor1() { |
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ExecutorService e = Executors.newSingleThreadExecutor(); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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final ExecutorService e = Executors.newSingleThreadExecutor(); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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} |
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} |
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/** |
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* A new SingleThreadExecutor with given ThreadFactory can execute runnables |
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*/ |
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public void testNewSingleThreadExecutor2() { |
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ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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final ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory()); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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} |
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} |
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/** |
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* A new SingleThreadExecutor cannot be casted to concrete implementation |
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*/ |
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public void testCastNewSingleThreadExecutor() { |
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ExecutorService e = Executors.newSingleThreadExecutor(); |
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try { |
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ThreadPoolExecutor tpe = (ThreadPoolExecutor)e; |
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shouldThrow(); |
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} catch (ClassCastException success) { |
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} finally { |
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joinPool(e); |
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final ExecutorService e = Executors.newSingleThreadExecutor(); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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try { |
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ThreadPoolExecutor tpe = (ThreadPoolExecutor)e; |
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shouldThrow(); |
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} catch (ClassCastException success) {} |
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} |
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} |
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* A new newFixedThreadPool can execute runnables |
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*/ |
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public void testNewFixedThreadPool1() { |
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ExecutorService e = Executors.newFixedThreadPool(2); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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final ExecutorService e = Executors.newFixedThreadPool(2); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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} |
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} |
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/** |
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* A new newFixedThreadPool with given ThreadFactory can execute runnables |
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*/ |
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public void testNewFixedThreadPool2() { |
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ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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final ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory()); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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} |
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} |
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/** |
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* An unconfigurable newFixedThreadPool can execute runnables |
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*/ |
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public void testUnconfigurableExecutorService() { |
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ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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final ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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} |
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} |
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/** |
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* a newSingleThreadScheduledExecutor successfully runs delayed task |
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*/ |
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public void testNewSingleThreadScheduledExecutor() throws Exception { |
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ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); |
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try { |
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final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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final CountDownLatch proceed = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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} finally { |
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joinPool(p); |
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} |
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} |
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* a newScheduledThreadPool successfully runs delayed task |
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*/ |
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public void testNewScheduledThreadPool() throws Exception { |
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ScheduledExecutorService p = Executors.newScheduledThreadPool(2); |
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try { |
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final ScheduledExecutorService p = Executors.newScheduledThreadPool(2); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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final CountDownLatch proceed = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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} finally { |
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joinPool(p); |
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} |
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} |
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* an unconfigurable newScheduledThreadPool successfully runs delayed task |
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*/ |
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public void testUnconfigurableScheduledExecutorService() throws Exception { |
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ScheduledExecutorService p = |
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final ScheduledExecutorService p = |
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Executors.unconfigurableScheduledExecutorService |
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(Executors.newScheduledThreadPool(2)); |
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try { |
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try (PoolCleaner cleaner = cleaner(p)) { |
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final CountDownLatch proceed = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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} finally { |
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joinPool(p); |
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} |
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} |
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for (final ExecutorService executor : executors) { |
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threads.add(newStartedThread(new CheckedRunnable() { |
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public void realRun() { |
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long startTime = System.nanoTime(); |
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Future future = executor.submit(sleeper); |
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assertFutureTimesOut(future); |
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}})); |
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done.countDown(); |
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}}; |
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ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
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e.execute(r); |
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await(done); |
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|
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try { |
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e.shutdown(); |
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} catch (SecurityException ok) { |
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try (PoolCleaner cleaner = cleaner(e)) { |
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e.execute(r); |
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await(done); |
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} |
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|
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joinPool(e); |
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} |
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/** |
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done.countDown(); |
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}}; |
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ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
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e.execute(r); |
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await(done); |
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e.shutdown(); |
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joinPool(e); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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e.execute(r); |
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await(done); |
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} |
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}}; |
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runWithPermissions(r, |