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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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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 java.util.concurrent.*; |
10 |
import java.util.concurrent.atomic.*; |
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import junit.framework.*; |
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import java.util.*; |
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|
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public class ThreadPoolExecutorTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
17 |
} |
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public static Test suite() { |
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return new TestSuite(ThreadPoolExecutorTest.class); |
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} |
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|
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static class ExtendedTPE extends ThreadPoolExecutor { |
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volatile boolean beforeCalled = false; |
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volatile boolean afterCalled = false; |
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volatile boolean terminatedCalled = false; |
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public ExtendedTPE() { |
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super(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new SynchronousQueue<Runnable>()); |
28 |
} |
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protected void beforeExecute(Thread t, Runnable r) { |
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beforeCalled = true; |
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} |
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protected void afterExecute(Runnable r, Throwable t) { |
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afterCalled = true; |
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} |
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protected void terminated() { |
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terminatedCalled = true; |
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} |
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} |
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|
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static class FailingThreadFactory implements ThreadFactory { |
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int calls = 0; |
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public Thread newThread(Runnable r) { |
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if (++calls > 1) return null; |
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return new Thread(r); |
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} |
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} |
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|
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|
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/** |
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* execute successfully executes a runnable |
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*/ |
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public void testExecute() { |
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ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
55 |
p1.execute(new Runnable() { |
56 |
public void run() { |
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try { |
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Thread.sleep(SHORT_DELAY_MS); |
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} catch (InterruptedException e) { |
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threadUnexpectedException(); |
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} |
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} |
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}); |
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Thread.sleep(SMALL_DELAY_MS); |
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} catch (InterruptedException e) { |
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unexpectedException(); |
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} |
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joinPool(p1); |
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} |
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|
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/** |
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* getActiveCount increases but doesn't overestimate, when a |
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* thread becomes active |
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*/ |
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public void testGetActiveCount() { |
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ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(0, p2.getActiveCount()); |
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p2.execute(new MediumRunnable()); |
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try { |
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Thread.sleep(SHORT_DELAY_MS); |
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} catch (Exception e) { |
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unexpectedException(); |
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} |
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assertEquals(1, p2.getActiveCount()); |
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joinPool(p2); |
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} |
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|
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/** |
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* prestartCoreThread starts a thread if under corePoolSize, else doesn't |
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*/ |
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public void testPrestartCoreThread() { |
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ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(0, p2.getPoolSize()); |
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assertTrue(p2.prestartCoreThread()); |
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assertEquals(1, p2.getPoolSize()); |
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assertTrue(p2.prestartCoreThread()); |
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assertEquals(2, p2.getPoolSize()); |
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assertFalse(p2.prestartCoreThread()); |
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assertEquals(2, p2.getPoolSize()); |
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joinPool(p2); |
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} |
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|
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/** |
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* prestartAllCoreThreads starts all corePoolSize threads |
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*/ |
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public void testPrestartAllCoreThreads() { |
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ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(0, p2.getPoolSize()); |
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p2.prestartAllCoreThreads(); |
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assertEquals(2, p2.getPoolSize()); |
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p2.prestartAllCoreThreads(); |
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assertEquals(2, p2.getPoolSize()); |
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joinPool(p2); |
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} |
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|
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/** |
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* getCompletedTaskCount increases, but doesn't overestimate, |
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* when tasks complete |
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*/ |
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public void testGetCompletedTaskCount() { |
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ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(0, p2.getCompletedTaskCount()); |
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p2.execute(new ShortRunnable()); |
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try { |
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Thread.sleep(SMALL_DELAY_MS); |
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} catch (Exception e) { |
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unexpectedException(); |
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} |
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assertEquals(1, p2.getCompletedTaskCount()); |
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try { p2.shutdown(); } catch (SecurityException ok) { return; } |
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joinPool(p2); |
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} |
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|
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/** |
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* getCorePoolSize returns size given in constructor if not otherwise set |
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*/ |
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public void testGetCorePoolSize() { |
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ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(1, p1.getCorePoolSize()); |
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joinPool(p1); |
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} |
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|
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/** |
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* getKeepAliveTime returns value given in constructor if not otherwise set |
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*/ |
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public void testGetKeepAliveTime() { |
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ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS)); |
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joinPool(p2); |
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} |
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|
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|
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/** |
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* getThreadFactory returns factory in constructor if not set |
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*/ |
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public void testGetThreadFactory() { |
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ThreadFactory tf = new SimpleThreadFactory(); |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler()); |
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assertSame(tf, p.getThreadFactory()); |
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joinPool(p); |
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} |
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|
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/** |
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* setThreadFactory sets the thread factory returned by getThreadFactory |
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*/ |
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public void testSetThreadFactory() { |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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ThreadFactory tf = new SimpleThreadFactory(); |
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p.setThreadFactory(tf); |
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assertSame(tf, p.getThreadFactory()); |
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joinPool(p); |
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} |
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|
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|
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/** |
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* setThreadFactory(null) throws NPE |
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*/ |
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public void testSetThreadFactoryNull() { |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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p.setThreadFactory(null); |
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shouldThrow(); |
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} catch (NullPointerException success) { |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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/** |
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* getRejectedExecutionHandler returns handler in constructor if not set |
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*/ |
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public void testGetRejectedExecutionHandler() { |
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RejectedExecutionHandler h = new NoOpREHandler(); |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h); |
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assertSame(h, p.getRejectedExecutionHandler()); |
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joinPool(p); |
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} |
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|
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/** |
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* setRejectedExecutionHandler sets the handler returned by |
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* getRejectedExecutionHandler |
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*/ |
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public void testSetRejectedExecutionHandler() { |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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RejectedExecutionHandler h = new NoOpREHandler(); |
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p.setRejectedExecutionHandler(h); |
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assertSame(h, p.getRejectedExecutionHandler()); |
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joinPool(p); |
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} |
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|
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|
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/** |
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* setRejectedExecutionHandler(null) throws NPE |
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*/ |
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public void testSetRejectedExecutionHandlerNull() { |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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p.setRejectedExecutionHandler(null); |
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shouldThrow(); |
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} catch (NullPointerException success) { |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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|
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/** |
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* getLargestPoolSize increases, but doesn't overestimate, when |
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* multiple threads active |
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*/ |
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public void testGetLargestPoolSize() { |
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ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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assertEquals(0, p2.getLargestPoolSize()); |
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p2.execute(new MediumRunnable()); |
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p2.execute(new MediumRunnable()); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertEquals(2, p2.getLargestPoolSize()); |
239 |
} catch (Exception e) { |
240 |
unexpectedException(); |
241 |
} |
242 |
joinPool(p2); |
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} |
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|
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/** |
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* getMaximumPoolSize returns value given in constructor if not |
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* otherwise set |
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*/ |
249 |
public void testGetMaximumPoolSize() { |
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ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(2, p2.getMaximumPoolSize()); |
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joinPool(p2); |
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} |
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|
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/** |
256 |
* getPoolSize increases, but doesn't overestimate, when threads |
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* become active |
258 |
*/ |
259 |
public void testGetPoolSize() { |
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ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
261 |
assertEquals(0, p1.getPoolSize()); |
262 |
p1.execute(new MediumRunnable()); |
263 |
assertEquals(1, p1.getPoolSize()); |
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joinPool(p1); |
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} |
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|
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/** |
268 |
* getTaskCount increases, but doesn't overestimate, when tasks submitted |
269 |
*/ |
270 |
public void testGetTaskCount() { |
271 |
ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
272 |
try { |
273 |
assertEquals(0, p1.getTaskCount()); |
274 |
p1.execute(new MediumRunnable()); |
275 |
Thread.sleep(SHORT_DELAY_MS); |
276 |
assertEquals(1, p1.getTaskCount()); |
277 |
} catch (Exception e) { |
278 |
unexpectedException(); |
279 |
} |
280 |
joinPool(p1); |
281 |
} |
282 |
|
283 |
/** |
284 |
* isShutDown is false before shutdown, true after |
285 |
*/ |
286 |
public void testIsShutdown() { |
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|
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ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
289 |
assertFalse(p1.isShutdown()); |
290 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
291 |
assertTrue(p1.isShutdown()); |
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joinPool(p1); |
293 |
} |
294 |
|
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|
296 |
/** |
297 |
* isTerminated is false before termination, true after |
298 |
*/ |
299 |
public void testIsTerminated() { |
300 |
ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
301 |
assertFalse(p1.isTerminated()); |
302 |
try { |
303 |
p1.execute(new MediumRunnable()); |
304 |
} finally { |
305 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
306 |
} |
307 |
try { |
308 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
309 |
assertTrue(p1.isTerminated()); |
310 |
} catch (Exception e) { |
311 |
unexpectedException(); |
312 |
} |
313 |
} |
314 |
|
315 |
/** |
316 |
* isTerminating is not true when running or when terminated |
317 |
*/ |
318 |
public void testIsTerminating() { |
319 |
ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
320 |
assertFalse(p1.isTerminating()); |
321 |
try { |
322 |
p1.execute(new SmallRunnable()); |
323 |
assertFalse(p1.isTerminating()); |
324 |
} finally { |
325 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
326 |
} |
327 |
try { |
328 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
329 |
assertTrue(p1.isTerminated()); |
330 |
assertFalse(p1.isTerminating()); |
331 |
} catch (Exception e) { |
332 |
unexpectedException(); |
333 |
} |
334 |
} |
335 |
|
336 |
/** |
337 |
* getQueue returns the work queue, which contains queued tasks |
338 |
*/ |
339 |
public void testGetQueue() { |
340 |
BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
341 |
ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q); |
342 |
FutureTask[] tasks = new FutureTask[5]; |
343 |
for (int i = 0; i < 5; i++) { |
344 |
tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE); |
345 |
p1.execute(tasks[i]); |
346 |
} |
347 |
try { |
348 |
Thread.sleep(SHORT_DELAY_MS); |
349 |
BlockingQueue<Runnable> wq = p1.getQueue(); |
350 |
assertSame(q, wq); |
351 |
assertFalse(wq.contains(tasks[0])); |
352 |
assertTrue(wq.contains(tasks[4])); |
353 |
for (int i = 1; i < 5; ++i) |
354 |
tasks[i].cancel(true); |
355 |
p1.shutdownNow(); |
356 |
} catch (Exception e) { |
357 |
unexpectedException(); |
358 |
} finally { |
359 |
joinPool(p1); |
360 |
} |
361 |
} |
362 |
|
363 |
/** |
364 |
* remove(task) removes queued task, and fails to remove active task |
365 |
*/ |
366 |
public void testRemove() { |
367 |
BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
368 |
ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q); |
369 |
FutureTask[] tasks = new FutureTask[5]; |
370 |
for (int i = 0; i < 5; i++) { |
371 |
tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE); |
372 |
p1.execute(tasks[i]); |
373 |
} |
374 |
try { |
375 |
Thread.sleep(SHORT_DELAY_MS); |
376 |
assertFalse(p1.remove(tasks[0])); |
377 |
assertTrue(q.contains(tasks[4])); |
378 |
assertTrue(q.contains(tasks[3])); |
379 |
assertTrue(p1.remove(tasks[4])); |
380 |
assertFalse(p1.remove(tasks[4])); |
381 |
assertFalse(q.contains(tasks[4])); |
382 |
assertTrue(q.contains(tasks[3])); |
383 |
assertTrue(p1.remove(tasks[3])); |
384 |
assertFalse(q.contains(tasks[3])); |
385 |
} catch (Exception e) { |
386 |
unexpectedException(); |
387 |
} finally { |
388 |
joinPool(p1); |
389 |
} |
390 |
} |
391 |
|
392 |
/** |
393 |
* purge removes cancelled tasks from the queue |
394 |
*/ |
395 |
public void testPurge() { |
396 |
ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
397 |
FutureTask[] tasks = new FutureTask[5]; |
398 |
for (int i = 0; i < 5; i++) { |
399 |
tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE); |
400 |
p1.execute(tasks[i]); |
401 |
} |
402 |
tasks[4].cancel(true); |
403 |
tasks[3].cancel(true); |
404 |
p1.purge(); |
405 |
long count = p1.getTaskCount(); |
406 |
assertTrue(count >= 2 && count < 5); |
407 |
joinPool(p1); |
408 |
} |
409 |
|
410 |
/** |
411 |
* shutDownNow returns a list containing tasks that were not run |
412 |
*/ |
413 |
public void testShutDownNow() { |
414 |
ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
415 |
List l; |
416 |
try { |
417 |
for (int i = 0; i < 5; i++) |
418 |
p1.execute(new MediumPossiblyInterruptedRunnable()); |
419 |
} |
420 |
finally { |
421 |
try { |
422 |
l = p1.shutdownNow(); |
423 |
} catch (SecurityException ok) { return; } |
424 |
|
425 |
} |
426 |
assertTrue(p1.isShutdown()); |
427 |
assertTrue(l.size() <= 4); |
428 |
} |
429 |
|
430 |
// Exception Tests |
431 |
|
432 |
|
433 |
/** |
434 |
* Constructor throws if corePoolSize argument is less than zero |
435 |
*/ |
436 |
public void testConstructor1() { |
437 |
try { |
438 |
new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
439 |
shouldThrow(); |
440 |
} |
441 |
catch (IllegalArgumentException success) {} |
442 |
} |
443 |
|
444 |
/** |
445 |
* Constructor throws if maximumPoolSize is less than zero |
446 |
*/ |
447 |
public void testConstructor2() { |
448 |
try { |
449 |
new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
450 |
shouldThrow(); |
451 |
} |
452 |
catch (IllegalArgumentException success) {} |
453 |
} |
454 |
|
455 |
/** |
456 |
* Constructor throws if maximumPoolSize is equal to zero |
457 |
*/ |
458 |
public void testConstructor3() { |
459 |
try { |
460 |
new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
461 |
shouldThrow(); |
462 |
} |
463 |
catch (IllegalArgumentException success) {} |
464 |
} |
465 |
|
466 |
/** |
467 |
* Constructor throws if keepAliveTime is less than zero |
468 |
*/ |
469 |
public void testConstructor4() { |
470 |
try { |
471 |
new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
472 |
shouldThrow(); |
473 |
} |
474 |
catch (IllegalArgumentException success) {} |
475 |
} |
476 |
|
477 |
/** |
478 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
479 |
*/ |
480 |
public void testConstructor5() { |
481 |
try { |
482 |
new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
483 |
shouldThrow(); |
484 |
} |
485 |
catch (IllegalArgumentException success) {} |
486 |
} |
487 |
|
488 |
/** |
489 |
* Constructor throws if workQueue is set to null |
490 |
*/ |
491 |
public void testConstructorNullPointerException() { |
492 |
try { |
493 |
new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null); |
494 |
shouldThrow(); |
495 |
} |
496 |
catch (NullPointerException success) {} |
497 |
} |
498 |
|
499 |
|
500 |
|
501 |
/** |
502 |
* Constructor throws if corePoolSize argument is less than zero |
503 |
*/ |
504 |
public void testConstructor6() { |
505 |
try { |
506 |
new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
507 |
shouldThrow(); |
508 |
} catch (IllegalArgumentException success) {} |
509 |
} |
510 |
|
511 |
/** |
512 |
* Constructor throws if maximumPoolSize is less than zero |
513 |
*/ |
514 |
public void testConstructor7() { |
515 |
try { |
516 |
new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
517 |
shouldThrow(); |
518 |
} |
519 |
catch (IllegalArgumentException success) {} |
520 |
} |
521 |
|
522 |
/** |
523 |
* Constructor throws if maximumPoolSize is equal to zero |
524 |
*/ |
525 |
public void testConstructor8() { |
526 |
try { |
527 |
new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
528 |
shouldThrow(); |
529 |
} |
530 |
catch (IllegalArgumentException success) {} |
531 |
} |
532 |
|
533 |
/** |
534 |
* Constructor throws if keepAliveTime is less than zero |
535 |
*/ |
536 |
public void testConstructor9() { |
537 |
try { |
538 |
new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
539 |
shouldThrow(); |
540 |
} |
541 |
catch (IllegalArgumentException success) {} |
542 |
} |
543 |
|
544 |
/** |
545 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
546 |
*/ |
547 |
public void testConstructor10() { |
548 |
try { |
549 |
new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
550 |
shouldThrow(); |
551 |
} |
552 |
catch (IllegalArgumentException success) {} |
553 |
} |
554 |
|
555 |
/** |
556 |
* Constructor throws if workQueue is set to null |
557 |
*/ |
558 |
public void testConstructorNullPointerException2() { |
559 |
try { |
560 |
new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory()); |
561 |
shouldThrow(); |
562 |
} |
563 |
catch (NullPointerException success) {} |
564 |
} |
565 |
|
566 |
/** |
567 |
* Constructor throws if threadFactory is set to null |
568 |
*/ |
569 |
public void testConstructorNullPointerException3() { |
570 |
try { |
571 |
ThreadFactory f = null; |
572 |
new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f); |
573 |
shouldThrow(); |
574 |
} |
575 |
catch (NullPointerException success) {} |
576 |
} |
577 |
|
578 |
|
579 |
/** |
580 |
* Constructor throws if corePoolSize argument is less than zero |
581 |
*/ |
582 |
public void testConstructor11() { |
583 |
try { |
584 |
new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
585 |
shouldThrow(); |
586 |
} |
587 |
catch (IllegalArgumentException success) {} |
588 |
} |
589 |
|
590 |
/** |
591 |
* Constructor throws if maximumPoolSize is less than zero |
592 |
*/ |
593 |
public void testConstructor12() { |
594 |
try { |
595 |
new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
596 |
shouldThrow(); |
597 |
} |
598 |
catch (IllegalArgumentException success) {} |
599 |
} |
600 |
|
601 |
/** |
602 |
* Constructor throws if maximumPoolSize is equal to zero |
603 |
*/ |
604 |
public void testConstructor13() { |
605 |
try { |
606 |
new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
607 |
shouldThrow(); |
608 |
} |
609 |
catch (IllegalArgumentException success) {} |
610 |
} |
611 |
|
612 |
/** |
613 |
* Constructor throws if keepAliveTime is less than zero |
614 |
*/ |
615 |
public void testConstructor14() { |
616 |
try { |
617 |
new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
618 |
shouldThrow(); |
619 |
} |
620 |
catch (IllegalArgumentException success) {} |
621 |
} |
622 |
|
623 |
/** |
624 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
625 |
*/ |
626 |
public void testConstructor15() { |
627 |
try { |
628 |
new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
629 |
shouldThrow(); |
630 |
} |
631 |
catch (IllegalArgumentException success) {} |
632 |
} |
633 |
|
634 |
/** |
635 |
* Constructor throws if workQueue is set to null |
636 |
*/ |
637 |
public void testConstructorNullPointerException4() { |
638 |
try { |
639 |
new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler()); |
640 |
shouldThrow(); |
641 |
} |
642 |
catch (NullPointerException success) {} |
643 |
} |
644 |
|
645 |
/** |
646 |
* Constructor throws if handler is set to null |
647 |
*/ |
648 |
public void testConstructorNullPointerException5() { |
649 |
try { |
650 |
RejectedExecutionHandler r = null; |
651 |
new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r); |
652 |
shouldThrow(); |
653 |
} |
654 |
catch (NullPointerException success) {} |
655 |
} |
656 |
|
657 |
|
658 |
/** |
659 |
* Constructor throws if corePoolSize argument is less than zero |
660 |
*/ |
661 |
public void testConstructor16() { |
662 |
try { |
663 |
new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
664 |
shouldThrow(); |
665 |
} |
666 |
catch (IllegalArgumentException success) {} |
667 |
} |
668 |
|
669 |
/** |
670 |
* Constructor throws if maximumPoolSize is less than zero |
671 |
*/ |
672 |
public void testConstructor17() { |
673 |
try { |
674 |
new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
675 |
shouldThrow(); |
676 |
} |
677 |
catch (IllegalArgumentException success) {} |
678 |
} |
679 |
|
680 |
/** |
681 |
* Constructor throws if maximumPoolSize is equal to zero |
682 |
*/ |
683 |
public void testConstructor18() { |
684 |
try { |
685 |
new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
686 |
shouldThrow(); |
687 |
} |
688 |
catch (IllegalArgumentException success) {} |
689 |
} |
690 |
|
691 |
/** |
692 |
* Constructor throws if keepAliveTime is less than zero |
693 |
*/ |
694 |
public void testConstructor19() { |
695 |
try { |
696 |
new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
697 |
shouldThrow(); |
698 |
} |
699 |
catch (IllegalArgumentException success) {} |
700 |
} |
701 |
|
702 |
/** |
703 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
704 |
*/ |
705 |
public void testConstructor20() { |
706 |
try { |
707 |
new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
708 |
shouldThrow(); |
709 |
} |
710 |
catch (IllegalArgumentException success) {} |
711 |
} |
712 |
|
713 |
/** |
714 |
* Constructor throws if workQueue is set to null |
715 |
*/ |
716 |
public void testConstructorNullPointerException6() { |
717 |
try { |
718 |
new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler()); |
719 |
shouldThrow(); |
720 |
} |
721 |
catch (NullPointerException success) {} |
722 |
} |
723 |
|
724 |
/** |
725 |
* Constructor throws if handler is set to null |
726 |
*/ |
727 |
public void testConstructorNullPointerException7() { |
728 |
try { |
729 |
RejectedExecutionHandler r = null; |
730 |
new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r); |
731 |
shouldThrow(); |
732 |
} |
733 |
catch (NullPointerException success) {} |
734 |
} |
735 |
|
736 |
/** |
737 |
* Constructor throws if ThreadFactory is set top null |
738 |
*/ |
739 |
public void testConstructorNullPointerException8() { |
740 |
try { |
741 |
ThreadFactory f = null; |
742 |
new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler()); |
743 |
shouldThrow(); |
744 |
} |
745 |
catch (NullPointerException successdn8) {} |
746 |
} |
747 |
|
748 |
|
749 |
/** |
750 |
* execute throws RejectedExecutionException |
751 |
* if saturated. |
752 |
*/ |
753 |
public void testSaturatedExecute() { |
754 |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
755 |
try { |
756 |
|
757 |
for (int i = 0; i < 5; ++i) { |
758 |
p.execute(new MediumRunnable()); |
759 |
} |
760 |
shouldThrow(); |
761 |
} catch (RejectedExecutionException success) {} |
762 |
joinPool(p); |
763 |
} |
764 |
|
765 |
/** |
766 |
* executor using CallerRunsPolicy runs task if saturated. |
767 |
*/ |
768 |
public void testSaturatedExecute2() { |
769 |
RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy(); |
770 |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
771 |
try { |
772 |
|
773 |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
774 |
for (int i = 0; i < 5; ++i) { |
775 |
tasks[i] = new TrackedNoOpRunnable(); |
776 |
} |
777 |
TrackedLongRunnable mr = new TrackedLongRunnable(); |
778 |
p.execute(mr); |
779 |
for (int i = 0; i < 5; ++i) { |
780 |
p.execute(tasks[i]); |
781 |
} |
782 |
for (int i = 1; i < 5; ++i) { |
783 |
assertTrue(tasks[i].done); |
784 |
} |
785 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
786 |
} catch (RejectedExecutionException ex) { |
787 |
unexpectedException(); |
788 |
} finally { |
789 |
joinPool(p); |
790 |
} |
791 |
} |
792 |
|
793 |
/** |
794 |
* executor using DiscardPolicy drops task if saturated. |
795 |
*/ |
796 |
public void testSaturatedExecute3() { |
797 |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy(); |
798 |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
799 |
try { |
800 |
|
801 |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
802 |
for (int i = 0; i < 5; ++i) { |
803 |
tasks[i] = new TrackedNoOpRunnable(); |
804 |
} |
805 |
p.execute(new TrackedLongRunnable()); |
806 |
for (int i = 0; i < 5; ++i) { |
807 |
p.execute(tasks[i]); |
808 |
} |
809 |
for (int i = 0; i < 5; ++i) { |
810 |
assertFalse(tasks[i].done); |
811 |
} |
812 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
813 |
} catch (RejectedExecutionException ex) { |
814 |
unexpectedException(); |
815 |
} finally { |
816 |
joinPool(p); |
817 |
} |
818 |
} |
819 |
|
820 |
/** |
821 |
* executor using DiscardOldestPolicy drops oldest task if saturated. |
822 |
*/ |
823 |
public void testSaturatedExecute4() { |
824 |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy(); |
825 |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
826 |
try { |
827 |
p.execute(new TrackedLongRunnable()); |
828 |
TrackedLongRunnable r2 = new TrackedLongRunnable(); |
829 |
p.execute(r2); |
830 |
assertTrue(p.getQueue().contains(r2)); |
831 |
TrackedNoOpRunnable r3 = new TrackedNoOpRunnable(); |
832 |
p.execute(r3); |
833 |
assertFalse(p.getQueue().contains(r2)); |
834 |
assertTrue(p.getQueue().contains(r3)); |
835 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
836 |
} catch (RejectedExecutionException ex) { |
837 |
unexpectedException(); |
838 |
} finally { |
839 |
joinPool(p); |
840 |
} |
841 |
} |
842 |
|
843 |
/** |
844 |
* execute throws RejectedExecutionException if shutdown |
845 |
*/ |
846 |
public void testRejectedExecutionExceptionOnShutdown() { |
847 |
ThreadPoolExecutor tpe = |
848 |
new ThreadPoolExecutor(1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1)); |
849 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
850 |
try { |
851 |
tpe.execute(new NoOpRunnable()); |
852 |
shouldThrow(); |
853 |
} catch (RejectedExecutionException success) {} |
854 |
|
855 |
joinPool(tpe); |
856 |
} |
857 |
|
858 |
/** |
859 |
* execute using CallerRunsPolicy drops task on shutdown |
860 |
*/ |
861 |
public void testCallerRunsOnShutdown() { |
862 |
RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy(); |
863 |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
864 |
|
865 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
866 |
try { |
867 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
868 |
p.execute(r); |
869 |
assertFalse(r.done); |
870 |
} catch (RejectedExecutionException success) { |
871 |
unexpectedException(); |
872 |
} finally { |
873 |
joinPool(p); |
874 |
} |
875 |
} |
876 |
|
877 |
/** |
878 |
* execute using DiscardPolicy drops task on shutdown |
879 |
*/ |
880 |
public void testDiscardOnShutdown() { |
881 |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy(); |
882 |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
883 |
|
884 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
885 |
try { |
886 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
887 |
p.execute(r); |
888 |
assertFalse(r.done); |
889 |
} catch (RejectedExecutionException success) { |
890 |
unexpectedException(); |
891 |
} finally { |
892 |
joinPool(p); |
893 |
} |
894 |
} |
895 |
|
896 |
|
897 |
/** |
898 |
* execute using DiscardOldestPolicy drops task on shutdown |
899 |
*/ |
900 |
public void testDiscardOldestOnShutdown() { |
901 |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy(); |
902 |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
903 |
|
904 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
905 |
try { |
906 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
907 |
p.execute(r); |
908 |
assertFalse(r.done); |
909 |
} catch (RejectedExecutionException success) { |
910 |
unexpectedException(); |
911 |
} finally { |
912 |
joinPool(p); |
913 |
} |
914 |
} |
915 |
|
916 |
|
917 |
/** |
918 |
* execute (null) throws NPE |
919 |
*/ |
920 |
public void testExecuteNull() { |
921 |
ThreadPoolExecutor tpe = null; |
922 |
try { |
923 |
tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
924 |
tpe.execute(null); |
925 |
shouldThrow(); |
926 |
} catch (NullPointerException success) {} |
927 |
|
928 |
joinPool(tpe); |
929 |
} |
930 |
|
931 |
/** |
932 |
* setCorePoolSize of negative value throws IllegalArgumentException |
933 |
*/ |
934 |
public void testCorePoolSizeIllegalArgumentException() { |
935 |
ThreadPoolExecutor tpe = null; |
936 |
try { |
937 |
tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
938 |
} catch (Exception e) {} |
939 |
try { |
940 |
tpe.setCorePoolSize(-1); |
941 |
shouldThrow(); |
942 |
} catch (IllegalArgumentException success) { |
943 |
} finally { |
944 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
945 |
} |
946 |
joinPool(tpe); |
947 |
} |
948 |
|
949 |
/** |
950 |
* setMaximumPoolSize(int) throws IllegalArgumentException if |
951 |
* given a value less the core pool size |
952 |
*/ |
953 |
public void testMaximumPoolSizeIllegalArgumentException() { |
954 |
ThreadPoolExecutor tpe = null; |
955 |
try { |
956 |
tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
957 |
} catch (Exception e) {} |
958 |
try { |
959 |
tpe.setMaximumPoolSize(1); |
960 |
shouldThrow(); |
961 |
} catch (IllegalArgumentException success) { |
962 |
} finally { |
963 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
964 |
} |
965 |
joinPool(tpe); |
966 |
} |
967 |
|
968 |
/** |
969 |
* setMaximumPoolSize throws IllegalArgumentException |
970 |
* if given a negative value |
971 |
*/ |
972 |
public void testMaximumPoolSizeIllegalArgumentException2() { |
973 |
ThreadPoolExecutor tpe = null; |
974 |
try { |
975 |
tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
976 |
} catch (Exception e) {} |
977 |
try { |
978 |
tpe.setMaximumPoolSize(-1); |
979 |
shouldThrow(); |
980 |
} catch (IllegalArgumentException success) { |
981 |
} finally { |
982 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
983 |
} |
984 |
joinPool(tpe); |
985 |
} |
986 |
|
987 |
|
988 |
/** |
989 |
* setKeepAliveTime throws IllegalArgumentException |
990 |
* when given a negative value |
991 |
*/ |
992 |
public void testKeepAliveTimeIllegalArgumentException() { |
993 |
ThreadPoolExecutor tpe = null; |
994 |
try { |
995 |
tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
996 |
} catch (Exception e) {} |
997 |
|
998 |
try { |
999 |
tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS); |
1000 |
shouldThrow(); |
1001 |
} catch (IllegalArgumentException success) { |
1002 |
} finally { |
1003 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
1004 |
} |
1005 |
joinPool(tpe); |
1006 |
} |
1007 |
|
1008 |
/** |
1009 |
* terminated() is called on termination |
1010 |
*/ |
1011 |
public void testTerminated() { |
1012 |
ExtendedTPE tpe = new ExtendedTPE(); |
1013 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
1014 |
assertTrue(tpe.terminatedCalled); |
1015 |
joinPool(tpe); |
1016 |
} |
1017 |
|
1018 |
/** |
1019 |
* beforeExecute and afterExecute are called when executing task |
1020 |
*/ |
1021 |
public void testBeforeAfter() { |
1022 |
ExtendedTPE tpe = new ExtendedTPE(); |
1023 |
try { |
1024 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1025 |
tpe.execute(r); |
1026 |
Thread.sleep(SHORT_DELAY_MS); |
1027 |
assertTrue(r.done); |
1028 |
assertTrue(tpe.beforeCalled); |
1029 |
assertTrue(tpe.afterCalled); |
1030 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
1031 |
} |
1032 |
catch (Exception ex) { |
1033 |
unexpectedException(); |
1034 |
} finally { |
1035 |
joinPool(tpe); |
1036 |
} |
1037 |
} |
1038 |
|
1039 |
/** |
1040 |
* completed submit of callable returns result |
1041 |
*/ |
1042 |
public void testSubmitCallable() { |
1043 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1044 |
try { |
1045 |
Future<String> future = e.submit(new StringTask()); |
1046 |
String result = future.get(); |
1047 |
assertSame(TEST_STRING, result); |
1048 |
} |
1049 |
catch (ExecutionException ex) { |
1050 |
unexpectedException(); |
1051 |
} |
1052 |
catch (InterruptedException ex) { |
1053 |
unexpectedException(); |
1054 |
} finally { |
1055 |
joinPool(e); |
1056 |
} |
1057 |
} |
1058 |
|
1059 |
/** |
1060 |
* completed submit of runnable returns successfully |
1061 |
*/ |
1062 |
public void testSubmitRunnable() { |
1063 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1064 |
try { |
1065 |
Future<?> future = e.submit(new NoOpRunnable()); |
1066 |
future.get(); |
1067 |
assertTrue(future.isDone()); |
1068 |
} |
1069 |
catch (ExecutionException ex) { |
1070 |
unexpectedException(); |
1071 |
} |
1072 |
catch (InterruptedException ex) { |
1073 |
unexpectedException(); |
1074 |
} finally { |
1075 |
joinPool(e); |
1076 |
} |
1077 |
} |
1078 |
|
1079 |
/** |
1080 |
* completed submit of (runnable, result) returns result |
1081 |
*/ |
1082 |
public void testSubmitRunnable2() { |
1083 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1084 |
try { |
1085 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
1086 |
String result = future.get(); |
1087 |
assertSame(TEST_STRING, result); |
1088 |
} |
1089 |
catch (ExecutionException ex) { |
1090 |
unexpectedException(); |
1091 |
} |
1092 |
catch (InterruptedException ex) { |
1093 |
unexpectedException(); |
1094 |
} finally { |
1095 |
joinPool(e); |
1096 |
} |
1097 |
} |
1098 |
|
1099 |
|
1100 |
|
1101 |
|
1102 |
|
1103 |
/** |
1104 |
* invokeAny(null) throws NPE |
1105 |
*/ |
1106 |
public void testInvokeAny1() { |
1107 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1108 |
try { |
1109 |
e.invokeAny(null); |
1110 |
} catch (NullPointerException success) { |
1111 |
} catch (Exception ex) { |
1112 |
unexpectedException(); |
1113 |
} finally { |
1114 |
joinPool(e); |
1115 |
} |
1116 |
} |
1117 |
|
1118 |
/** |
1119 |
* invokeAny(empty collection) throws IAE |
1120 |
*/ |
1121 |
public void testInvokeAny2() { |
1122 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1123 |
try { |
1124 |
e.invokeAny(new ArrayList<Callable<String>>()); |
1125 |
} catch (IllegalArgumentException success) { |
1126 |
} catch (Exception ex) { |
1127 |
unexpectedException(); |
1128 |
} finally { |
1129 |
joinPool(e); |
1130 |
} |
1131 |
} |
1132 |
|
1133 |
/** |
1134 |
* invokeAny(c) throws NPE if c has null elements |
1135 |
*/ |
1136 |
public void testInvokeAny3() { |
1137 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1138 |
try { |
1139 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1140 |
l.add(new StringTask()); |
1141 |
l.add(null); |
1142 |
e.invokeAny(l); |
1143 |
} catch (NullPointerException success) { |
1144 |
} catch (Exception ex) { |
1145 |
unexpectedException(); |
1146 |
} finally { |
1147 |
joinPool(e); |
1148 |
} |
1149 |
} |
1150 |
|
1151 |
/** |
1152 |
* invokeAny(c) throws ExecutionException if no task completes |
1153 |
*/ |
1154 |
public void testInvokeAny4() { |
1155 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1156 |
try { |
1157 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1158 |
l.add(new NPETask()); |
1159 |
e.invokeAny(l); |
1160 |
} catch (ExecutionException success) { |
1161 |
} catch (Exception ex) { |
1162 |
unexpectedException(); |
1163 |
} finally { |
1164 |
joinPool(e); |
1165 |
} |
1166 |
} |
1167 |
|
1168 |
/** |
1169 |
* invokeAny(c) returns result of some task |
1170 |
*/ |
1171 |
public void testInvokeAny5() { |
1172 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1173 |
try { |
1174 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1175 |
l.add(new StringTask()); |
1176 |
l.add(new StringTask()); |
1177 |
String result = e.invokeAny(l); |
1178 |
assertSame(TEST_STRING, result); |
1179 |
} catch (ExecutionException success) { |
1180 |
} catch (Exception ex) { |
1181 |
unexpectedException(); |
1182 |
} finally { |
1183 |
joinPool(e); |
1184 |
} |
1185 |
} |
1186 |
|
1187 |
/** |
1188 |
* invokeAll(null) throws NPE |
1189 |
*/ |
1190 |
public void testInvokeAll1() { |
1191 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1192 |
try { |
1193 |
e.invokeAll(null); |
1194 |
} catch (NullPointerException success) { |
1195 |
} catch (Exception ex) { |
1196 |
unexpectedException(); |
1197 |
} finally { |
1198 |
joinPool(e); |
1199 |
} |
1200 |
} |
1201 |
|
1202 |
/** |
1203 |
* invokeAll(empty collection) returns empty collection |
1204 |
*/ |
1205 |
public void testInvokeAll2() { |
1206 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1207 |
try { |
1208 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
1209 |
assertTrue(r.isEmpty()); |
1210 |
} catch (Exception ex) { |
1211 |
unexpectedException(); |
1212 |
} finally { |
1213 |
joinPool(e); |
1214 |
} |
1215 |
} |
1216 |
|
1217 |
/** |
1218 |
* invokeAll(c) throws NPE if c has null elements |
1219 |
*/ |
1220 |
public void testInvokeAll3() { |
1221 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1222 |
try { |
1223 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1224 |
l.add(new StringTask()); |
1225 |
l.add(null); |
1226 |
e.invokeAll(l); |
1227 |
} catch (NullPointerException success) { |
1228 |
} catch (Exception ex) { |
1229 |
unexpectedException(); |
1230 |
} finally { |
1231 |
joinPool(e); |
1232 |
} |
1233 |
} |
1234 |
|
1235 |
/** |
1236 |
* get of element of invokeAll(c) throws exception on failed task |
1237 |
*/ |
1238 |
public void testInvokeAll4() { |
1239 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1240 |
try { |
1241 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1242 |
l.add(new NPETask()); |
1243 |
List<Future<String>> result = e.invokeAll(l); |
1244 |
assertEquals(1, result.size()); |
1245 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
1246 |
it.next().get(); |
1247 |
} catch (ExecutionException success) { |
1248 |
} catch (Exception ex) { |
1249 |
unexpectedException(); |
1250 |
} finally { |
1251 |
joinPool(e); |
1252 |
} |
1253 |
} |
1254 |
|
1255 |
/** |
1256 |
* invokeAll(c) returns results of all completed tasks |
1257 |
*/ |
1258 |
public void testInvokeAll5() { |
1259 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1260 |
try { |
1261 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1262 |
l.add(new StringTask()); |
1263 |
l.add(new StringTask()); |
1264 |
List<Future<String>> result = e.invokeAll(l); |
1265 |
assertEquals(2, result.size()); |
1266 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
1267 |
assertSame(TEST_STRING, it.next().get()); |
1268 |
} catch (ExecutionException success) { |
1269 |
} catch (Exception ex) { |
1270 |
unexpectedException(); |
1271 |
} finally { |
1272 |
joinPool(e); |
1273 |
} |
1274 |
} |
1275 |
|
1276 |
|
1277 |
|
1278 |
/** |
1279 |
* timed invokeAny(null) throws NPE |
1280 |
*/ |
1281 |
public void testTimedInvokeAny1() { |
1282 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1283 |
try { |
1284 |
e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1285 |
} catch (NullPointerException success) { |
1286 |
} catch (Exception ex) { |
1287 |
unexpectedException(); |
1288 |
} finally { |
1289 |
joinPool(e); |
1290 |
} |
1291 |
} |
1292 |
|
1293 |
/** |
1294 |
* timed invokeAny(,,null) throws NPE |
1295 |
*/ |
1296 |
public void testTimedInvokeAnyNullTimeUnit() { |
1297 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1298 |
try { |
1299 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1300 |
l.add(new StringTask()); |
1301 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1302 |
} catch (NullPointerException success) { |
1303 |
} catch (Exception ex) { |
1304 |
unexpectedException(); |
1305 |
} finally { |
1306 |
joinPool(e); |
1307 |
} |
1308 |
} |
1309 |
|
1310 |
/** |
1311 |
* timed invokeAny(empty collection) throws IAE |
1312 |
*/ |
1313 |
public void testTimedInvokeAny2() { |
1314 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1315 |
try { |
1316 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1317 |
} catch (IllegalArgumentException success) { |
1318 |
} catch (Exception ex) { |
1319 |
unexpectedException(); |
1320 |
} finally { |
1321 |
joinPool(e); |
1322 |
} |
1323 |
} |
1324 |
|
1325 |
/** |
1326 |
* timed invokeAny(c) throws NPE if c has null elements |
1327 |
*/ |
1328 |
public void testTimedInvokeAny3() { |
1329 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1330 |
try { |
1331 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1332 |
l.add(new StringTask()); |
1333 |
l.add(null); |
1334 |
e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1335 |
} catch (NullPointerException success) { |
1336 |
} catch (Exception ex) { |
1337 |
ex.printStackTrace(); |
1338 |
unexpectedException(); |
1339 |
} finally { |
1340 |
joinPool(e); |
1341 |
} |
1342 |
} |
1343 |
|
1344 |
/** |
1345 |
* timed invokeAny(c) throws ExecutionException if no task completes |
1346 |
*/ |
1347 |
public void testTimedInvokeAny4() { |
1348 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1349 |
try { |
1350 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1351 |
l.add(new NPETask()); |
1352 |
e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1353 |
} catch (ExecutionException success) { |
1354 |
} catch (Exception ex) { |
1355 |
unexpectedException(); |
1356 |
} finally { |
1357 |
joinPool(e); |
1358 |
} |
1359 |
} |
1360 |
|
1361 |
/** |
1362 |
* timed invokeAny(c) returns result of some task |
1363 |
*/ |
1364 |
public void testTimedInvokeAny5() { |
1365 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1366 |
try { |
1367 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1368 |
l.add(new StringTask()); |
1369 |
l.add(new StringTask()); |
1370 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1371 |
assertSame(TEST_STRING, result); |
1372 |
} catch (ExecutionException success) { |
1373 |
} catch (Exception ex) { |
1374 |
unexpectedException(); |
1375 |
} finally { |
1376 |
joinPool(e); |
1377 |
} |
1378 |
} |
1379 |
|
1380 |
/** |
1381 |
* timed invokeAll(null) throws NPE |
1382 |
*/ |
1383 |
public void testTimedInvokeAll1() { |
1384 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1385 |
try { |
1386 |
e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1387 |
} catch (NullPointerException success) { |
1388 |
} catch (Exception ex) { |
1389 |
unexpectedException(); |
1390 |
} finally { |
1391 |
joinPool(e); |
1392 |
} |
1393 |
} |
1394 |
|
1395 |
/** |
1396 |
* timed invokeAll(,,null) throws NPE |
1397 |
*/ |
1398 |
public void testTimedInvokeAllNullTimeUnit() { |
1399 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1400 |
try { |
1401 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1402 |
l.add(new StringTask()); |
1403 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1404 |
} catch (NullPointerException success) { |
1405 |
} catch (Exception ex) { |
1406 |
unexpectedException(); |
1407 |
} finally { |
1408 |
joinPool(e); |
1409 |
} |
1410 |
} |
1411 |
|
1412 |
/** |
1413 |
* timed invokeAll(empty collection) returns empty collection |
1414 |
*/ |
1415 |
public void testTimedInvokeAll2() { |
1416 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1417 |
try { |
1418 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1419 |
assertTrue(r.isEmpty()); |
1420 |
} catch (Exception ex) { |
1421 |
unexpectedException(); |
1422 |
} finally { |
1423 |
joinPool(e); |
1424 |
} |
1425 |
} |
1426 |
|
1427 |
/** |
1428 |
* timed invokeAll(c) throws NPE if c has null elements |
1429 |
*/ |
1430 |
public void testTimedInvokeAll3() { |
1431 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1432 |
try { |
1433 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1434 |
l.add(new StringTask()); |
1435 |
l.add(null); |
1436 |
e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1437 |
} catch (NullPointerException success) { |
1438 |
} catch (Exception ex) { |
1439 |
unexpectedException(); |
1440 |
} finally { |
1441 |
joinPool(e); |
1442 |
} |
1443 |
} |
1444 |
|
1445 |
/** |
1446 |
* get of element of invokeAll(c) throws exception on failed task |
1447 |
*/ |
1448 |
public void testTimedInvokeAll4() { |
1449 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1450 |
try { |
1451 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1452 |
l.add(new NPETask()); |
1453 |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1454 |
assertEquals(1, result.size()); |
1455 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
1456 |
it.next().get(); |
1457 |
} catch (ExecutionException success) { |
1458 |
} catch (Exception ex) { |
1459 |
unexpectedException(); |
1460 |
} finally { |
1461 |
joinPool(e); |
1462 |
} |
1463 |
} |
1464 |
|
1465 |
/** |
1466 |
* timed invokeAll(c) returns results of all completed tasks |
1467 |
*/ |
1468 |
public void testTimedInvokeAll5() { |
1469 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1470 |
try { |
1471 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1472 |
l.add(new StringTask()); |
1473 |
l.add(new StringTask()); |
1474 |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1475 |
assertEquals(2, result.size()); |
1476 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
1477 |
assertSame(TEST_STRING, it.next().get()); |
1478 |
} catch (ExecutionException success) { |
1479 |
} catch (Exception ex) { |
1480 |
unexpectedException(); |
1481 |
} finally { |
1482 |
joinPool(e); |
1483 |
} |
1484 |
} |
1485 |
|
1486 |
/** |
1487 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1488 |
*/ |
1489 |
public void testTimedInvokeAll6() { |
1490 |
ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1491 |
try { |
1492 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1493 |
l.add(new StringTask()); |
1494 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1495 |
l.add(new StringTask()); |
1496 |
List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
1497 |
assertEquals(3, result.size()); |
1498 |
Iterator<Future<String>> it = result.iterator(); |
1499 |
Future<String> f1 = it.next(); |
1500 |
Future<String> f2 = it.next(); |
1501 |
Future<String> f3 = it.next(); |
1502 |
assertTrue(f1.isDone()); |
1503 |
assertTrue(f2.isDone()); |
1504 |
assertTrue(f3.isDone()); |
1505 |
assertFalse(f1.isCancelled()); |
1506 |
assertTrue(f2.isCancelled()); |
1507 |
} catch (Exception ex) { |
1508 |
unexpectedException(); |
1509 |
} finally { |
1510 |
joinPool(e); |
1511 |
} |
1512 |
} |
1513 |
|
1514 |
/** |
1515 |
* Execution continues if there is at least one thread even if |
1516 |
* thread factory fails to create more |
1517 |
*/ |
1518 |
public void testFailingThreadFactory() { |
1519 |
ExecutorService e = new ThreadPoolExecutor(100, 100, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), new FailingThreadFactory()); |
1520 |
try { |
1521 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1522 |
for (int k = 0; k < 100; ++k) { |
1523 |
e.execute(new NoOpRunnable()); |
1524 |
} |
1525 |
Thread.sleep(LONG_DELAY_MS); |
1526 |
} catch (Exception ex) { |
1527 |
unexpectedException(); |
1528 |
} finally { |
1529 |
joinPool(e); |
1530 |
} |
1531 |
} |
1532 |
|
1533 |
/** |
1534 |
* allowsCoreThreadTimeOut is by default false. |
1535 |
*/ |
1536 |
public void testAllowsCoreThreadTimeOut() { |
1537 |
ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1538 |
assertFalse(tpe.allowsCoreThreadTimeOut()); |
1539 |
joinPool(tpe); |
1540 |
} |
1541 |
|
1542 |
/** |
1543 |
* allowCoreThreadTimeOut(true) causes idle threads to time out |
1544 |
*/ |
1545 |
public void testAllowCoreThreadTimeOut_true() { |
1546 |
ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1547 |
tpe.allowCoreThreadTimeOut(true); |
1548 |
tpe.execute(new NoOpRunnable()); |
1549 |
try { |
1550 |
Thread.sleep(MEDIUM_DELAY_MS); |
1551 |
assertEquals(0, tpe.getPoolSize()); |
1552 |
} catch (InterruptedException e) { |
1553 |
unexpectedException(); |
1554 |
} finally { |
1555 |
joinPool(tpe); |
1556 |
} |
1557 |
} |
1558 |
|
1559 |
/** |
1560 |
* allowCoreThreadTimeOut(false) causes idle threads not to time out |
1561 |
*/ |
1562 |
public void testAllowCoreThreadTimeOut_false() { |
1563 |
ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1564 |
tpe.allowCoreThreadTimeOut(false); |
1565 |
tpe.execute(new NoOpRunnable()); |
1566 |
try { |
1567 |
Thread.sleep(MEDIUM_DELAY_MS); |
1568 |
assertTrue(tpe.getPoolSize() >= 1); |
1569 |
} catch (InterruptedException e) { |
1570 |
unexpectedException(); |
1571 |
} finally { |
1572 |
joinPool(tpe); |
1573 |
} |
1574 |
} |
1575 |
|
1576 |
/** |
1577 |
* execute allows the same task to be submitted multiple times, even |
1578 |
* if rejected |
1579 |
*/ |
1580 |
public void testRejectedRecycledTask() { |
1581 |
final int nTasks = 1000; |
1582 |
final AtomicInteger nRun = new AtomicInteger(0); |
1583 |
final Runnable recycledTask = new Runnable() { |
1584 |
public void run() { |
1585 |
nRun.getAndIncrement(); |
1586 |
} }; |
1587 |
final ThreadPoolExecutor p = |
1588 |
new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS, |
1589 |
new ArrayBlockingQueue(30)); |
1590 |
try { |
1591 |
for (int i = 0; i < nTasks; ++i) { |
1592 |
for (;;) { |
1593 |
try { |
1594 |
p.execute(recycledTask); |
1595 |
break; |
1596 |
} |
1597 |
catch (RejectedExecutionException ignore) { |
1598 |
} |
1599 |
} |
1600 |
} |
1601 |
Thread.sleep(5000); // enough time to run all tasks |
1602 |
assertEquals(nRun.get(), nTasks); |
1603 |
} catch (Exception ex) { |
1604 |
ex.printStackTrace(); |
1605 |
unexpectedException(); |
1606 |
} finally { |
1607 |
p.shutdown(); |
1608 |
} |
1609 |
} |
1610 |
|
1611 |
} |