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/* |
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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/licenses/publicdomain |
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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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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.math.BigInteger; |
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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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} catch (NullPointerException success) {} |
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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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/** |
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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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/** |
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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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/** |
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} catch (IllegalArgumentException success) {} |
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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)); |
167 |
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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); |
165 |
> |
public void testUnconfigurableExecutorService() { |
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final ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
167 |
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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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* unconfigurableExecutorService(null) throws NPE |
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*/ |
177 |
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public void testunconfigurableExecutorServiceNPE() { |
177 |
> |
public void testUnconfigurableExecutorServiceNPE() { |
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try { |
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ExecutorService e = Executors.unconfigurableExecutorService(null); |
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shouldThrow(); |
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/** |
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* unconfigurableScheduledExecutorService(null) throws NPE |
186 |
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*/ |
187 |
< |
public void testunconfigurableScheduledExecutorServiceNPE() { |
187 |
> |
public void testUnconfigurableScheduledExecutorServiceNPE() { |
188 |
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try { |
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ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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|
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|
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/** |
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* a newSingleThreadScheduledExecutor successfully runs delayed task |
196 |
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*/ |
197 |
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public void testNewSingleThreadScheduledExecutor() throws Exception { |
198 |
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TrackedCallable callable = new TrackedCallable(); |
199 |
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ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor(); |
200 |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
201 |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
203 |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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joinPool(p1); |
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final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); |
199 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
200 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
201 |
> |
final Runnable task = new CheckedRunnable() { |
202 |
> |
public void realRun() { |
203 |
> |
await(proceed); |
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> |
}}; |
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> |
long startTime = System.nanoTime(); |
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> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
207 |
> |
timeoutMillis(), MILLISECONDS); |
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assertFalse(f.isDone()); |
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proceed.countDown(); |
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assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get()); |
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
215 |
> |
} |
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} |
217 |
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|
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/** |
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* a newScheduledThreadPool successfully runs delayed task |
220 |
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*/ |
221 |
< |
public void testnewScheduledThreadPool() throws Exception { |
222 |
< |
TrackedCallable callable = new TrackedCallable(); |
223 |
< |
ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2); |
224 |
< |
Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
225 |
< |
assertFalse(callable.done); |
226 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
227 |
< |
assertTrue(callable.done); |
228 |
< |
assertEquals(Boolean.TRUE, f.get()); |
229 |
< |
joinPool(p1); |
221 |
> |
public void testNewScheduledThreadPool() throws Exception { |
222 |
> |
final ScheduledExecutorService p = Executors.newScheduledThreadPool(2); |
223 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
224 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
225 |
> |
final Runnable task = new CheckedRunnable() { |
226 |
> |
public void realRun() { |
227 |
> |
await(proceed); |
228 |
> |
}}; |
229 |
> |
long startTime = System.nanoTime(); |
230 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
231 |
> |
timeoutMillis(), MILLISECONDS); |
232 |
> |
assertFalse(f.isDone()); |
233 |
> |
proceed.countDown(); |
234 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
235 |
> |
assertSame(Boolean.TRUE, f.get()); |
236 |
> |
assertTrue(f.isDone()); |
237 |
> |
assertFalse(f.isCancelled()); |
238 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
239 |
> |
} |
240 |
|
} |
241 |
|
|
242 |
|
/** |
243 |
|
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
244 |
|
*/ |
245 |
< |
public void testunconfigurableScheduledExecutorService() throws Exception { |
246 |
< |
TrackedCallable callable = new TrackedCallable(); |
247 |
< |
ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2)); |
248 |
< |
Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
249 |
< |
assertFalse(callable.done); |
250 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
251 |
< |
assertTrue(callable.done); |
252 |
< |
assertEquals(Boolean.TRUE, f.get()); |
253 |
< |
joinPool(p1); |
245 |
> |
public void testUnconfigurableScheduledExecutorService() throws Exception { |
246 |
> |
final ScheduledExecutorService p = |
247 |
> |
Executors.unconfigurableScheduledExecutorService |
248 |
> |
(Executors.newScheduledThreadPool(2)); |
249 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
250 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
251 |
> |
final Runnable task = new CheckedRunnable() { |
252 |
> |
public void realRun() { |
253 |
> |
await(proceed); |
254 |
> |
}}; |
255 |
> |
long startTime = System.nanoTime(); |
256 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
257 |
> |
timeoutMillis(), MILLISECONDS); |
258 |
> |
assertFalse(f.isDone()); |
259 |
> |
proceed.countDown(); |
260 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
261 |
> |
assertSame(Boolean.TRUE, f.get()); |
262 |
> |
assertTrue(f.isDone()); |
263 |
> |
assertFalse(f.isCancelled()); |
264 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
265 |
> |
} |
266 |
|
} |
267 |
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|
268 |
|
/** |
269 |
|
* Future.get on submitted tasks will time out if they compute too long. |
270 |
|
*/ |
271 |
|
public void testTimedCallable() throws Exception { |
272 |
+ |
final ExecutorService[] executors = { |
273 |
+ |
Executors.newSingleThreadExecutor(), |
274 |
+ |
Executors.newCachedThreadPool(), |
275 |
+ |
Executors.newFixedThreadPool(2), |
276 |
+ |
Executors.newScheduledThreadPool(2), |
277 |
+ |
}; |
278 |
+ |
|
279 |
|
final Runnable sleeper = new CheckedInterruptedRunnable() { |
280 |
|
public void realRun() throws InterruptedException { |
281 |
< |
Thread.sleep(LONG_DELAY_MS); |
281 |
> |
delay(LONG_DELAY_MS); |
282 |
|
}}; |
283 |
< |
for (ExecutorService executor : |
284 |
< |
new ExecutorService[] { |
285 |
< |
Executors.newSingleThreadExecutor(), |
286 |
< |
Executors.newCachedThreadPool(), |
287 |
< |
Executors.newFixedThreadPool(2), |
288 |
< |
Executors.newScheduledThreadPool(2), |
289 |
< |
}) { |
290 |
< |
try { |
238 |
< |
Future future = executor.submit(sleeper); |
239 |
< |
try { |
240 |
< |
future.get(SHORT_DELAY_MS, MILLISECONDS); |
241 |
< |
shouldThrow(); |
242 |
< |
} catch (TimeoutException success) { |
243 |
< |
} finally { |
244 |
< |
future.cancel(true); |
245 |
< |
} |
246 |
< |
} |
247 |
< |
finally { |
248 |
< |
joinPool(executor); |
249 |
< |
} |
283 |
> |
|
284 |
> |
List<Thread> threads = new ArrayList<Thread>(); |
285 |
> |
for (final ExecutorService executor : executors) { |
286 |
> |
threads.add(newStartedThread(new CheckedRunnable() { |
287 |
> |
public void realRun() { |
288 |
> |
Future future = executor.submit(sleeper); |
289 |
> |
assertFutureTimesOut(future); |
290 |
> |
}})); |
291 |
|
} |
292 |
+ |
for (Thread thread : threads) |
293 |
+ |
awaitTermination(thread); |
294 |
+ |
for (ExecutorService executor : executors) |
295 |
+ |
joinPool(executor); |
296 |
|
} |
297 |
|
|
253 |
– |
|
298 |
|
/** |
299 |
|
* ThreadPoolExecutor using defaultThreadFactory has |
300 |
|
* specified group, priority, daemon status, and name |
301 |
|
*/ |
302 |
|
public void testDefaultThreadFactory() throws Exception { |
303 |
|
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
304 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
305 |
|
Runnable r = new CheckedRunnable() { |
306 |
|
public void realRun() { |
307 |
|
try { |
319 |
|
} catch (SecurityException ok) { |
320 |
|
// Also pass if not allowed to change setting |
321 |
|
} |
322 |
+ |
done.countDown(); |
323 |
|
}}; |
324 |
|
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
325 |
< |
|
326 |
< |
e.execute(r); |
327 |
< |
try { |
282 |
< |
e.shutdown(); |
283 |
< |
} catch (SecurityException ok) { |
284 |
< |
} |
285 |
< |
|
286 |
< |
try { |
287 |
< |
Thread.sleep(SHORT_DELAY_MS); |
288 |
< |
} finally { |
289 |
< |
joinPool(e); |
325 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
326 |
> |
e.execute(r); |
327 |
> |
await(done); |
328 |
|
} |
329 |
|
} |
330 |
|
|
334 |
|
* access control context and context class loader |
335 |
|
*/ |
336 |
|
public void testPrivilegedThreadFactory() throws Exception { |
337 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
338 |
|
Runnable r = new CheckedRunnable() { |
339 |
|
public void realRun() throws Exception { |
340 |
|
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
355 |
|
assertTrue(name.endsWith("thread-1")); |
356 |
|
assertSame(thisccl, current.getContextClassLoader()); |
357 |
|
assertEquals(thisacc, AccessController.getContext()); |
358 |
+ |
done.countDown(); |
359 |
|
}}; |
360 |
|
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
361 |
< |
e.execute(r); |
362 |
< |
e.shutdown(); |
363 |
< |
Thread.sleep(SHORT_DELAY_MS); |
364 |
< |
joinPool(e); |
361 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
362 |
> |
e.execute(r); |
363 |
> |
await(done); |
364 |
> |
} |
365 |
|
}}; |
366 |
|
|
367 |
|
runWithPermissions(r, |
398 |
|
} |
399 |
|
} |
400 |
|
|
361 |
– |
|
401 |
|
/** |
402 |
|
* Without class loader permissions, creating |
403 |
|
* privilegedCallableUsingCurrentClassLoader throws ACE |
420 |
|
* With class loader permissions, calling |
421 |
|
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
422 |
|
*/ |
423 |
< |
public void testprivilegedCallableUsingCCLWithPrivs() throws Exception { |
423 |
> |
public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception { |
424 |
|
Runnable r = new CheckedRunnable() { |
425 |
|
public void realRun() throws Exception { |
426 |
|
Executors.privilegedCallableUsingCurrentClassLoader |
436 |
|
/** |
437 |
|
* Without permissions, calling privilegedCallable throws ACE |
438 |
|
*/ |
439 |
< |
public void testprivilegedCallableWithNoPrivs() throws Exception { |
439 |
> |
public void testPrivilegedCallableWithNoPrivs() throws Exception { |
440 |
|
// Avoid classloader-related SecurityExceptions in swingui.TestRunner |
441 |
|
Executors.privilegedCallable(new CheckCCL()); |
442 |
|
|
508 |
|
/** |
509 |
|
* With permissions, calling privilegedCallable succeeds |
510 |
|
*/ |
511 |
< |
public void testprivilegedCallableWithPrivs() throws Exception { |
511 |
> |
public void testPrivilegedCallableWithPrivs() throws Exception { |
512 |
|
Runnable r = new CheckedRunnable() { |
513 |
|
public void realRun() throws Exception { |
514 |
|
Executors.privilegedCallable(new CheckCCL()).call(); |
515 |
|
}}; |
516 |
|
|
517 |
< |
runWithPermissions(r, |
517 |
> |
runWithPermissions(r, |
518 |
|
new RuntimePermission("getClassLoader"), |
519 |
|
new RuntimePermission("setContextClassLoader")); |
520 |
|
} |
553 |
|
assertSame(one, c.call()); |
554 |
|
} |
555 |
|
|
517 |
– |
|
556 |
|
/** |
557 |
|
* callable(null Runnable) throws NPE |
558 |
|
*/ |
593 |
|
} catch (NullPointerException success) {} |
594 |
|
} |
595 |
|
|
558 |
– |
|
596 |
|
} |