1 |
/* |
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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 |
4 |
* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
* Pat Fisher, Mike Judd. |
7 |
*/ |
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|
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import junit.framework.*; |
10 |
import java.util.concurrent.*; |
11 |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
12 |
import java.util.*; |
13 |
|
14 |
public class ThreadPoolExecutorTest extends JSR166TestCase { |
15 |
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); |
20 |
} |
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|
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static class ExtendedTPE extends ThreadPoolExecutor { |
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final CountDownLatch beforeCalled = new CountDownLatch(1); |
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final CountDownLatch afterCalled = new CountDownLatch(1); |
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final CountDownLatch terminatedCalled = new CountDownLatch(1); |
26 |
|
27 |
public ExtendedTPE() { |
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super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>()); |
29 |
} |
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protected void beforeExecute(Thread t, Runnable r) { |
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beforeCalled.countDown(); |
32 |
} |
33 |
protected void afterExecute(Runnable r, Throwable t) { |
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afterCalled.countDown(); |
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} |
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protected void terminated() { |
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terminatedCalled.countDown(); |
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} |
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|
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public boolean beforeCalled() { |
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return beforeCalled.getCount() == 0; |
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} |
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public boolean afterCalled() { |
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return afterCalled.getCount() == 0; |
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} |
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public boolean terminatedCalled() { |
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return terminatedCalled.getCount() == 0; |
48 |
} |
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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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|
59 |
/** |
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* execute successfully executes a runnable |
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*/ |
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public void testExecute() throws InterruptedException { |
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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(1, 1, |
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LONG_DELAY_MS, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10)); |
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final CountDownLatch done = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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}}; |
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try { |
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p.execute(task); |
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assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
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} finally { |
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joinPool(p); |
77 |
} |
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} |
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|
80 |
/** |
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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() throws InterruptedException { |
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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(2, 2, |
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LONG_DELAY_MS, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10)); |
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final CountDownLatch threadStarted = new CountDownLatch(1); |
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final CountDownLatch done = new CountDownLatch(1); |
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try { |
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assertEquals(0, p.getActiveCount()); |
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p.execute(new CheckedRunnable() { |
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public void realRun() throws InterruptedException { |
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threadStarted.countDown(); |
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assertEquals(1, p.getActiveCount()); |
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done.await(); |
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}}); |
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assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
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assertEquals(1, p.getActiveCount()); |
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} finally { |
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done.countDown(); |
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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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* prestartCoreThread starts a thread if under corePoolSize, else doesn't |
109 |
*/ |
110 |
public void testPrestartCoreThread() { |
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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(2, 2, |
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LONG_DELAY_MS, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(0, p.getPoolSize()); |
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assertTrue(p.prestartCoreThread()); |
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assertEquals(1, p.getPoolSize()); |
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assertTrue(p.prestartCoreThread()); |
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assertEquals(2, p.getPoolSize()); |
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assertFalse(p.prestartCoreThread()); |
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assertEquals(2, p.getPoolSize()); |
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joinPool(p); |
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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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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(2, 2, |
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LONG_DELAY_MS, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(0, p.getPoolSize()); |
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p.prestartAllCoreThreads(); |
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assertEquals(2, p.getPoolSize()); |
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p.prestartAllCoreThreads(); |
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assertEquals(2, p.getPoolSize()); |
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joinPool(p); |
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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() throws InterruptedException { |
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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(2, 2, |
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LONG_DELAY_MS, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10)); |
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final CountDownLatch threadStarted = new CountDownLatch(1); |
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final CountDownLatch threadProceed = new CountDownLatch(1); |
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final CountDownLatch threadDone = new CountDownLatch(1); |
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try { |
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assertEquals(0, p.getCompletedTaskCount()); |
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p.execute(new CheckedRunnable() { |
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public void realRun() throws InterruptedException { |
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threadStarted.countDown(); |
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assertEquals(0, p.getCompletedTaskCount()); |
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threadProceed.await(); |
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threadDone.countDown(); |
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}}); |
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await(threadStarted); |
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assertEquals(0, p.getCompletedTaskCount()); |
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threadProceed.countDown(); |
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threadDone.await(); |
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long startTime = System.nanoTime(); |
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while (p.getCompletedTaskCount() != 1) { |
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if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
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fail("timed out"); |
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Thread.yield(); |
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} |
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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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* 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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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(1, 1, |
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LONG_DELAY_MS, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(1, p.getCorePoolSize()); |
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joinPool(p); |
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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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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(2, 2, |
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1000, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS)); |
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joinPool(p); |
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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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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(1, 2, |
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LONG_DELAY_MS, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10), |
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tf, |
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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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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(1, 2, |
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LONG_DELAY_MS, MILLISECONDS, |
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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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* setThreadFactory(null) throws NPE |
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*/ |
233 |
public void testSetThreadFactoryNull() { |
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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(1, 2, |
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LONG_DELAY_MS, MILLISECONDS, |
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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) { |
242 |
} finally { |
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joinPool(p); |
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} |
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} |
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|
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/** |
248 |
* getRejectedExecutionHandler returns handler in constructor if not set |
249 |
*/ |
250 |
public void testGetRejectedExecutionHandler() { |
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final RejectedExecutionHandler h = new NoOpREHandler(); |
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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(1, 2, |
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LONG_DELAY_MS, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10), |
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h); |
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assertSame(h, p.getRejectedExecutionHandler()); |
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joinPool(p); |
259 |
} |
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|
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/** |
262 |
* setRejectedExecutionHandler sets the handler returned by |
263 |
* getRejectedExecutionHandler |
264 |
*/ |
265 |
public void testSetRejectedExecutionHandler() { |
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final ThreadPoolExecutor p = |
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new ThreadPoolExecutor(1, 2, |
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LONG_DELAY_MS, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10)); |
270 |
RejectedExecutionHandler h = new NoOpREHandler(); |
271 |
p.setRejectedExecutionHandler(h); |
272 |
assertSame(h, p.getRejectedExecutionHandler()); |
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joinPool(p); |
274 |
} |
275 |
|
276 |
/** |
277 |
* setRejectedExecutionHandler(null) throws NPE |
278 |
*/ |
279 |
public void testSetRejectedExecutionHandlerNull() { |
280 |
final ThreadPoolExecutor p = |
281 |
new ThreadPoolExecutor(1, 2, |
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LONG_DELAY_MS, MILLISECONDS, |
283 |
new ArrayBlockingQueue<Runnable>(10)); |
284 |
try { |
285 |
p.setRejectedExecutionHandler(null); |
286 |
shouldThrow(); |
287 |
} catch (NullPointerException success) { |
288 |
} finally { |
289 |
joinPool(p); |
290 |
} |
291 |
} |
292 |
|
293 |
/** |
294 |
* getLargestPoolSize increases, but doesn't overestimate, when |
295 |
* multiple threads active |
296 |
*/ |
297 |
public void testGetLargestPoolSize() throws InterruptedException { |
298 |
final int THREADS = 3; |
299 |
final ThreadPoolExecutor p = |
300 |
new ThreadPoolExecutor(THREADS, THREADS, |
301 |
LONG_DELAY_MS, MILLISECONDS, |
302 |
new ArrayBlockingQueue<Runnable>(10)); |
303 |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
304 |
final CountDownLatch done = new CountDownLatch(1); |
305 |
try { |
306 |
assertEquals(0, p.getLargestPoolSize()); |
307 |
for (int i = 0; i < THREADS; i++) |
308 |
p.execute(new CheckedRunnable() { |
309 |
public void realRun() throws InterruptedException { |
310 |
threadsStarted.countDown(); |
311 |
done.await(); |
312 |
assertEquals(THREADS, p.getLargestPoolSize()); |
313 |
}}); |
314 |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
315 |
assertEquals(THREADS, p.getLargestPoolSize()); |
316 |
} finally { |
317 |
done.countDown(); |
318 |
joinPool(p); |
319 |
assertEquals(THREADS, p.getLargestPoolSize()); |
320 |
} |
321 |
} |
322 |
|
323 |
/** |
324 |
* getMaximumPoolSize returns value given in constructor if not |
325 |
* otherwise set |
326 |
*/ |
327 |
public void testGetMaximumPoolSize() { |
328 |
final ThreadPoolExecutor p = |
329 |
new ThreadPoolExecutor(2, 3, |
330 |
LONG_DELAY_MS, MILLISECONDS, |
331 |
new ArrayBlockingQueue<Runnable>(10)); |
332 |
assertEquals(3, p.getMaximumPoolSize()); |
333 |
joinPool(p); |
334 |
} |
335 |
|
336 |
/** |
337 |
* getPoolSize increases, but doesn't overestimate, when threads |
338 |
* become active |
339 |
*/ |
340 |
public void testGetPoolSize() throws InterruptedException { |
341 |
final ThreadPoolExecutor p = |
342 |
new ThreadPoolExecutor(1, 1, |
343 |
LONG_DELAY_MS, MILLISECONDS, |
344 |
new ArrayBlockingQueue<Runnable>(10)); |
345 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
346 |
final CountDownLatch done = new CountDownLatch(1); |
347 |
try { |
348 |
assertEquals(0, p.getPoolSize()); |
349 |
p.execute(new CheckedRunnable() { |
350 |
public void realRun() throws InterruptedException { |
351 |
threadStarted.countDown(); |
352 |
assertEquals(1, p.getPoolSize()); |
353 |
done.await(); |
354 |
}}); |
355 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
356 |
assertEquals(1, p.getPoolSize()); |
357 |
} finally { |
358 |
done.countDown(); |
359 |
joinPool(p); |
360 |
} |
361 |
} |
362 |
|
363 |
/** |
364 |
* getTaskCount increases, but doesn't overestimate, when tasks submitted |
365 |
*/ |
366 |
public void testGetTaskCount() throws InterruptedException { |
367 |
final ThreadPoolExecutor p = |
368 |
new ThreadPoolExecutor(1, 1, |
369 |
LONG_DELAY_MS, MILLISECONDS, |
370 |
new ArrayBlockingQueue<Runnable>(10)); |
371 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
372 |
final CountDownLatch done = new CountDownLatch(1); |
373 |
try { |
374 |
assertEquals(0, p.getTaskCount()); |
375 |
p.execute(new CheckedRunnable() { |
376 |
public void realRun() throws InterruptedException { |
377 |
threadStarted.countDown(); |
378 |
assertEquals(1, p.getTaskCount()); |
379 |
done.await(); |
380 |
}}); |
381 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
382 |
assertEquals(1, p.getTaskCount()); |
383 |
} finally { |
384 |
done.countDown(); |
385 |
joinPool(p); |
386 |
} |
387 |
} |
388 |
|
389 |
/** |
390 |
* isShutdown is false before shutdown, true after |
391 |
*/ |
392 |
public void testIsShutdown() { |
393 |
final ThreadPoolExecutor p = |
394 |
new ThreadPoolExecutor(1, 1, |
395 |
LONG_DELAY_MS, MILLISECONDS, |
396 |
new ArrayBlockingQueue<Runnable>(10)); |
397 |
assertFalse(p.isShutdown()); |
398 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
399 |
assertTrue(p.isShutdown()); |
400 |
joinPool(p); |
401 |
} |
402 |
|
403 |
/** |
404 |
* isTerminated is false before termination, true after |
405 |
*/ |
406 |
public void testIsTerminated() throws InterruptedException { |
407 |
final ThreadPoolExecutor p = |
408 |
new ThreadPoolExecutor(1, 1, |
409 |
LONG_DELAY_MS, MILLISECONDS, |
410 |
new ArrayBlockingQueue<Runnable>(10)); |
411 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
412 |
final CountDownLatch done = new CountDownLatch(1); |
413 |
assertFalse(p.isTerminated()); |
414 |
try { |
415 |
p.execute(new CheckedRunnable() { |
416 |
public void realRun() throws InterruptedException { |
417 |
assertFalse(p.isTerminated()); |
418 |
threadStarted.countDown(); |
419 |
done.await(); |
420 |
}}); |
421 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
422 |
assertFalse(p.isTerminating()); |
423 |
done.countDown(); |
424 |
} finally { |
425 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
426 |
} |
427 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
428 |
assertTrue(p.isTerminated()); |
429 |
} |
430 |
|
431 |
/** |
432 |
* isTerminating is not true when running or when terminated |
433 |
*/ |
434 |
public void testIsTerminating() throws InterruptedException { |
435 |
final ThreadPoolExecutor p = |
436 |
new ThreadPoolExecutor(1, 1, |
437 |
LONG_DELAY_MS, MILLISECONDS, |
438 |
new ArrayBlockingQueue<Runnable>(10)); |
439 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
440 |
final CountDownLatch done = new CountDownLatch(1); |
441 |
try { |
442 |
assertFalse(p.isTerminating()); |
443 |
p.execute(new CheckedRunnable() { |
444 |
public void realRun() throws InterruptedException { |
445 |
assertFalse(p.isTerminating()); |
446 |
threadStarted.countDown(); |
447 |
done.await(); |
448 |
}}); |
449 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
450 |
assertFalse(p.isTerminating()); |
451 |
done.countDown(); |
452 |
} finally { |
453 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
454 |
} |
455 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
456 |
assertTrue(p.isTerminated()); |
457 |
assertFalse(p.isTerminating()); |
458 |
} |
459 |
|
460 |
/** |
461 |
* getQueue returns the work queue, which contains queued tasks |
462 |
*/ |
463 |
public void testGetQueue() throws InterruptedException { |
464 |
final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
465 |
final ThreadPoolExecutor p = |
466 |
new ThreadPoolExecutor(1, 1, |
467 |
LONG_DELAY_MS, MILLISECONDS, |
468 |
q); |
469 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
470 |
final CountDownLatch done = new CountDownLatch(1); |
471 |
try { |
472 |
FutureTask[] tasks = new FutureTask[5]; |
473 |
for (int i = 0; i < tasks.length; i++) { |
474 |
Callable task = new CheckedCallable<Boolean>() { |
475 |
public Boolean realCall() throws InterruptedException { |
476 |
threadStarted.countDown(); |
477 |
assertSame(q, p.getQueue()); |
478 |
done.await(); |
479 |
return Boolean.TRUE; |
480 |
}}; |
481 |
tasks[i] = new FutureTask(task); |
482 |
p.execute(tasks[i]); |
483 |
} |
484 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
485 |
assertSame(q, p.getQueue()); |
486 |
assertFalse(q.contains(tasks[0])); |
487 |
assertTrue(q.contains(tasks[tasks.length - 1])); |
488 |
assertEquals(tasks.length - 1, q.size()); |
489 |
} finally { |
490 |
done.countDown(); |
491 |
joinPool(p); |
492 |
} |
493 |
} |
494 |
|
495 |
/** |
496 |
* remove(task) removes queued task, and fails to remove active task |
497 |
*/ |
498 |
public void testRemove() throws InterruptedException { |
499 |
BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
500 |
final ThreadPoolExecutor p = |
501 |
new ThreadPoolExecutor(1, 1, |
502 |
LONG_DELAY_MS, MILLISECONDS, |
503 |
q); |
504 |
Runnable[] tasks = new Runnable[5]; |
505 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
506 |
final CountDownLatch done = new CountDownLatch(1); |
507 |
try { |
508 |
for (int i = 0; i < tasks.length; i++) { |
509 |
tasks[i] = new CheckedRunnable() { |
510 |
public void realRun() throws InterruptedException { |
511 |
threadStarted.countDown(); |
512 |
done.await(); |
513 |
}}; |
514 |
p.execute(tasks[i]); |
515 |
} |
516 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
517 |
assertFalse(p.remove(tasks[0])); |
518 |
assertTrue(q.contains(tasks[4])); |
519 |
assertTrue(q.contains(tasks[3])); |
520 |
assertTrue(p.remove(tasks[4])); |
521 |
assertFalse(p.remove(tasks[4])); |
522 |
assertFalse(q.contains(tasks[4])); |
523 |
assertTrue(q.contains(tasks[3])); |
524 |
assertTrue(p.remove(tasks[3])); |
525 |
assertFalse(q.contains(tasks[3])); |
526 |
} finally { |
527 |
done.countDown(); |
528 |
joinPool(p); |
529 |
} |
530 |
} |
531 |
|
532 |
/** |
533 |
* purge removes cancelled tasks from the queue |
534 |
*/ |
535 |
public void testPurge() throws InterruptedException { |
536 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
537 |
final CountDownLatch done = new CountDownLatch(1); |
538 |
final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
539 |
final ThreadPoolExecutor p = |
540 |
new ThreadPoolExecutor(1, 1, |
541 |
LONG_DELAY_MS, MILLISECONDS, |
542 |
q); |
543 |
FutureTask[] tasks = new FutureTask[5]; |
544 |
try { |
545 |
for (int i = 0; i < tasks.length; i++) { |
546 |
Callable task = new CheckedCallable<Boolean>() { |
547 |
public Boolean realCall() throws InterruptedException { |
548 |
threadStarted.countDown(); |
549 |
done.await(); |
550 |
return Boolean.TRUE; |
551 |
}}; |
552 |
tasks[i] = new FutureTask(task); |
553 |
p.execute(tasks[i]); |
554 |
} |
555 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
556 |
assertEquals(tasks.length, p.getTaskCount()); |
557 |
assertEquals(tasks.length - 1, q.size()); |
558 |
assertEquals(1L, p.getActiveCount()); |
559 |
assertEquals(0L, p.getCompletedTaskCount()); |
560 |
tasks[4].cancel(true); |
561 |
tasks[3].cancel(false); |
562 |
p.purge(); |
563 |
assertEquals(tasks.length - 3, q.size()); |
564 |
assertEquals(tasks.length - 2, p.getTaskCount()); |
565 |
p.purge(); // Nothing to do |
566 |
assertEquals(tasks.length - 3, q.size()); |
567 |
assertEquals(tasks.length - 2, p.getTaskCount()); |
568 |
} finally { |
569 |
done.countDown(); |
570 |
joinPool(p); |
571 |
} |
572 |
} |
573 |
|
574 |
/** |
575 |
* shutdownNow returns a list containing tasks that were not run |
576 |
*/ |
577 |
public void testShutdownNow() { |
578 |
final ThreadPoolExecutor p = |
579 |
new ThreadPoolExecutor(1, 1, |
580 |
LONG_DELAY_MS, MILLISECONDS, |
581 |
new ArrayBlockingQueue<Runnable>(10)); |
582 |
List l; |
583 |
try { |
584 |
for (int i = 0; i < 5; i++) |
585 |
p.execute(new MediumPossiblyInterruptedRunnable()); |
586 |
} |
587 |
finally { |
588 |
try { |
589 |
l = p.shutdownNow(); |
590 |
} catch (SecurityException ok) { return; } |
591 |
} |
592 |
assertTrue(p.isShutdown()); |
593 |
assertTrue(l.size() <= 4); |
594 |
} |
595 |
|
596 |
// Exception Tests |
597 |
|
598 |
/** |
599 |
* Constructor throws if corePoolSize argument is less than zero |
600 |
*/ |
601 |
public void testConstructor1() { |
602 |
try { |
603 |
new ThreadPoolExecutor(-1, 1, |
604 |
LONG_DELAY_MS, MILLISECONDS, |
605 |
new ArrayBlockingQueue<Runnable>(10)); |
606 |
shouldThrow(); |
607 |
} catch (IllegalArgumentException success) {} |
608 |
} |
609 |
|
610 |
/** |
611 |
* Constructor throws if maximumPoolSize is less than zero |
612 |
*/ |
613 |
public void testConstructor2() { |
614 |
try { |
615 |
new ThreadPoolExecutor(1, -1, |
616 |
LONG_DELAY_MS, MILLISECONDS, |
617 |
new ArrayBlockingQueue<Runnable>(10)); |
618 |
shouldThrow(); |
619 |
} catch (IllegalArgumentException success) {} |
620 |
} |
621 |
|
622 |
/** |
623 |
* Constructor throws if maximumPoolSize is equal to zero |
624 |
*/ |
625 |
public void testConstructor3() { |
626 |
try { |
627 |
new ThreadPoolExecutor(1, 0, |
628 |
LONG_DELAY_MS, MILLISECONDS, |
629 |
new ArrayBlockingQueue<Runnable>(10)); |
630 |
shouldThrow(); |
631 |
} catch (IllegalArgumentException success) {} |
632 |
} |
633 |
|
634 |
/** |
635 |
* Constructor throws if keepAliveTime is less than zero |
636 |
*/ |
637 |
public void testConstructor4() { |
638 |
try { |
639 |
new ThreadPoolExecutor(1, 2, |
640 |
-1L, MILLISECONDS, |
641 |
new ArrayBlockingQueue<Runnable>(10)); |
642 |
shouldThrow(); |
643 |
} catch (IllegalArgumentException success) {} |
644 |
} |
645 |
|
646 |
/** |
647 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
648 |
*/ |
649 |
public void testConstructor5() { |
650 |
try { |
651 |
new ThreadPoolExecutor(2, 1, |
652 |
LONG_DELAY_MS, MILLISECONDS, |
653 |
new ArrayBlockingQueue<Runnable>(10)); |
654 |
shouldThrow(); |
655 |
} catch (IllegalArgumentException success) {} |
656 |
} |
657 |
|
658 |
/** |
659 |
* Constructor throws if workQueue is set to null |
660 |
*/ |
661 |
public void testConstructorNullPointerException() { |
662 |
try { |
663 |
new ThreadPoolExecutor(1, 2, |
664 |
LONG_DELAY_MS, MILLISECONDS, |
665 |
(BlockingQueue) null); |
666 |
shouldThrow(); |
667 |
} catch (NullPointerException success) {} |
668 |
} |
669 |
|
670 |
/** |
671 |
* Constructor throws if corePoolSize argument is less than zero |
672 |
*/ |
673 |
public void testConstructor6() { |
674 |
try { |
675 |
new ThreadPoolExecutor(-1, 1, |
676 |
LONG_DELAY_MS, MILLISECONDS, |
677 |
new ArrayBlockingQueue<Runnable>(10), |
678 |
new SimpleThreadFactory()); |
679 |
shouldThrow(); |
680 |
} catch (IllegalArgumentException success) {} |
681 |
} |
682 |
|
683 |
/** |
684 |
* Constructor throws if maximumPoolSize is less than zero |
685 |
*/ |
686 |
public void testConstructor7() { |
687 |
try { |
688 |
new ThreadPoolExecutor(1, -1, |
689 |
LONG_DELAY_MS, MILLISECONDS, |
690 |
new ArrayBlockingQueue<Runnable>(10), |
691 |
new SimpleThreadFactory()); |
692 |
shouldThrow(); |
693 |
} catch (IllegalArgumentException success) {} |
694 |
} |
695 |
|
696 |
/** |
697 |
* Constructor throws if maximumPoolSize is equal to zero |
698 |
*/ |
699 |
public void testConstructor8() { |
700 |
try { |
701 |
new ThreadPoolExecutor(1, 0, |
702 |
LONG_DELAY_MS, MILLISECONDS, |
703 |
new ArrayBlockingQueue<Runnable>(10), |
704 |
new SimpleThreadFactory()); |
705 |
shouldThrow(); |
706 |
} catch (IllegalArgumentException success) {} |
707 |
} |
708 |
|
709 |
/** |
710 |
* Constructor throws if keepAliveTime is less than zero |
711 |
*/ |
712 |
public void testConstructor9() { |
713 |
try { |
714 |
new ThreadPoolExecutor(1, 2, |
715 |
-1L, MILLISECONDS, |
716 |
new ArrayBlockingQueue<Runnable>(10), |
717 |
new SimpleThreadFactory()); |
718 |
shouldThrow(); |
719 |
} catch (IllegalArgumentException success) {} |
720 |
} |
721 |
|
722 |
/** |
723 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
724 |
*/ |
725 |
public void testConstructor10() { |
726 |
try { |
727 |
new ThreadPoolExecutor(2, 1, |
728 |
LONG_DELAY_MS, MILLISECONDS, |
729 |
new ArrayBlockingQueue<Runnable>(10), |
730 |
new SimpleThreadFactory()); |
731 |
shouldThrow(); |
732 |
} catch (IllegalArgumentException success) {} |
733 |
} |
734 |
|
735 |
/** |
736 |
* Constructor throws if workQueue is set to null |
737 |
*/ |
738 |
public void testConstructorNullPointerException2() { |
739 |
try { |
740 |
new ThreadPoolExecutor(1, 2, |
741 |
LONG_DELAY_MS, MILLISECONDS, |
742 |
(BlockingQueue) null, |
743 |
new SimpleThreadFactory()); |
744 |
shouldThrow(); |
745 |
} catch (NullPointerException success) {} |
746 |
} |
747 |
|
748 |
/** |
749 |
* Constructor throws if threadFactory is set to null |
750 |
*/ |
751 |
public void testConstructorNullPointerException3() { |
752 |
try { |
753 |
new ThreadPoolExecutor(1, 2, |
754 |
LONG_DELAY_MS, MILLISECONDS, |
755 |
new ArrayBlockingQueue<Runnable>(10), |
756 |
(ThreadFactory) null); |
757 |
shouldThrow(); |
758 |
} catch (NullPointerException success) {} |
759 |
} |
760 |
|
761 |
/** |
762 |
* Constructor throws if corePoolSize argument is less than zero |
763 |
*/ |
764 |
public void testConstructor11() { |
765 |
try { |
766 |
new ThreadPoolExecutor(-1, 1, |
767 |
LONG_DELAY_MS, MILLISECONDS, |
768 |
new ArrayBlockingQueue<Runnable>(10), |
769 |
new NoOpREHandler()); |
770 |
shouldThrow(); |
771 |
} catch (IllegalArgumentException success) {} |
772 |
} |
773 |
|
774 |
/** |
775 |
* Constructor throws if maximumPoolSize is less than zero |
776 |
*/ |
777 |
public void testConstructor12() { |
778 |
try { |
779 |
new ThreadPoolExecutor(1, -1, |
780 |
LONG_DELAY_MS, MILLISECONDS, |
781 |
new ArrayBlockingQueue<Runnable>(10), |
782 |
new NoOpREHandler()); |
783 |
shouldThrow(); |
784 |
} catch (IllegalArgumentException success) {} |
785 |
} |
786 |
|
787 |
/** |
788 |
* Constructor throws if maximumPoolSize is equal to zero |
789 |
*/ |
790 |
public void testConstructor13() { |
791 |
try { |
792 |
new ThreadPoolExecutor(1, 0, |
793 |
LONG_DELAY_MS, MILLISECONDS, |
794 |
new ArrayBlockingQueue<Runnable>(10), |
795 |
new NoOpREHandler()); |
796 |
shouldThrow(); |
797 |
} catch (IllegalArgumentException success) {} |
798 |
} |
799 |
|
800 |
/** |
801 |
* Constructor throws if keepAliveTime is less than zero |
802 |
*/ |
803 |
public void testConstructor14() { |
804 |
try { |
805 |
new ThreadPoolExecutor(1, 2, |
806 |
-1L, MILLISECONDS, |
807 |
new ArrayBlockingQueue<Runnable>(10), |
808 |
new NoOpREHandler()); |
809 |
shouldThrow(); |
810 |
} catch (IllegalArgumentException success) {} |
811 |
} |
812 |
|
813 |
/** |
814 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
815 |
*/ |
816 |
public void testConstructor15() { |
817 |
try { |
818 |
new ThreadPoolExecutor(2, 1, |
819 |
LONG_DELAY_MS, MILLISECONDS, |
820 |
new ArrayBlockingQueue<Runnable>(10), |
821 |
new NoOpREHandler()); |
822 |
shouldThrow(); |
823 |
} catch (IllegalArgumentException success) {} |
824 |
} |
825 |
|
826 |
/** |
827 |
* Constructor throws if workQueue is set to null |
828 |
*/ |
829 |
public void testConstructorNullPointerException4() { |
830 |
try { |
831 |
new ThreadPoolExecutor(1, 2, |
832 |
LONG_DELAY_MS, MILLISECONDS, |
833 |
(BlockingQueue) null, |
834 |
new NoOpREHandler()); |
835 |
shouldThrow(); |
836 |
} catch (NullPointerException success) {} |
837 |
} |
838 |
|
839 |
/** |
840 |
* Constructor throws if handler is set to null |
841 |
*/ |
842 |
public void testConstructorNullPointerException5() { |
843 |
try { |
844 |
new ThreadPoolExecutor(1, 2, |
845 |
LONG_DELAY_MS, MILLISECONDS, |
846 |
new ArrayBlockingQueue<Runnable>(10), |
847 |
(RejectedExecutionHandler) null); |
848 |
shouldThrow(); |
849 |
} catch (NullPointerException success) {} |
850 |
} |
851 |
|
852 |
/** |
853 |
* Constructor throws if corePoolSize argument is less than zero |
854 |
*/ |
855 |
public void testConstructor16() { |
856 |
try { |
857 |
new ThreadPoolExecutor(-1, 1, |
858 |
LONG_DELAY_MS, MILLISECONDS, |
859 |
new ArrayBlockingQueue<Runnable>(10), |
860 |
new SimpleThreadFactory(), |
861 |
new NoOpREHandler()); |
862 |
shouldThrow(); |
863 |
} catch (IllegalArgumentException success) {} |
864 |
} |
865 |
|
866 |
/** |
867 |
* Constructor throws if maximumPoolSize is less than zero |
868 |
*/ |
869 |
public void testConstructor17() { |
870 |
try { |
871 |
new ThreadPoolExecutor(1, -1, |
872 |
LONG_DELAY_MS, MILLISECONDS, |
873 |
new ArrayBlockingQueue<Runnable>(10), |
874 |
new SimpleThreadFactory(), |
875 |
new NoOpREHandler()); |
876 |
shouldThrow(); |
877 |
} catch (IllegalArgumentException success) {} |
878 |
} |
879 |
|
880 |
/** |
881 |
* Constructor throws if maximumPoolSize is equal to zero |
882 |
*/ |
883 |
public void testConstructor18() { |
884 |
try { |
885 |
new ThreadPoolExecutor(1, 0, |
886 |
LONG_DELAY_MS, MILLISECONDS, |
887 |
new ArrayBlockingQueue<Runnable>(10), |
888 |
new SimpleThreadFactory(), |
889 |
new NoOpREHandler()); |
890 |
shouldThrow(); |
891 |
} catch (IllegalArgumentException success) {} |
892 |
} |
893 |
|
894 |
/** |
895 |
* Constructor throws if keepAliveTime is less than zero |
896 |
*/ |
897 |
public void testConstructor19() { |
898 |
try { |
899 |
new ThreadPoolExecutor(1, 2, |
900 |
-1L, MILLISECONDS, |
901 |
new ArrayBlockingQueue<Runnable>(10), |
902 |
new SimpleThreadFactory(), |
903 |
new NoOpREHandler()); |
904 |
shouldThrow(); |
905 |
} catch (IllegalArgumentException success) {} |
906 |
} |
907 |
|
908 |
/** |
909 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
910 |
*/ |
911 |
public void testConstructor20() { |
912 |
try { |
913 |
new ThreadPoolExecutor(2, 1, |
914 |
LONG_DELAY_MS, MILLISECONDS, |
915 |
new ArrayBlockingQueue<Runnable>(10), |
916 |
new SimpleThreadFactory(), |
917 |
new NoOpREHandler()); |
918 |
shouldThrow(); |
919 |
} catch (IllegalArgumentException success) {} |
920 |
} |
921 |
|
922 |
/** |
923 |
* Constructor throws if workQueue is null |
924 |
*/ |
925 |
public void testConstructorNullPointerException6() { |
926 |
try { |
927 |
new ThreadPoolExecutor(1, 2, |
928 |
LONG_DELAY_MS, MILLISECONDS, |
929 |
(BlockingQueue) null, |
930 |
new SimpleThreadFactory(), |
931 |
new NoOpREHandler()); |
932 |
shouldThrow(); |
933 |
} catch (NullPointerException success) {} |
934 |
} |
935 |
|
936 |
/** |
937 |
* Constructor throws if handler is null |
938 |
*/ |
939 |
public void testConstructorNullPointerException7() { |
940 |
try { |
941 |
new ThreadPoolExecutor(1, 2, |
942 |
LONG_DELAY_MS, MILLISECONDS, |
943 |
new ArrayBlockingQueue<Runnable>(10), |
944 |
new SimpleThreadFactory(), |
945 |
(RejectedExecutionHandler) null); |
946 |
shouldThrow(); |
947 |
} catch (NullPointerException success) {} |
948 |
} |
949 |
|
950 |
/** |
951 |
* Constructor throws if ThreadFactory is null |
952 |
*/ |
953 |
public void testConstructorNullPointerException8() { |
954 |
try { |
955 |
new ThreadPoolExecutor(1, 2, |
956 |
LONG_DELAY_MS, MILLISECONDS, |
957 |
new ArrayBlockingQueue<Runnable>(10), |
958 |
(ThreadFactory) null, |
959 |
new NoOpREHandler()); |
960 |
shouldThrow(); |
961 |
} catch (NullPointerException success) {} |
962 |
} |
963 |
|
964 |
/** |
965 |
* get of submitted callable throws InterruptedException if interrupted |
966 |
*/ |
967 |
public void testInterruptedSubmit() throws InterruptedException { |
968 |
final ThreadPoolExecutor p = |
969 |
new ThreadPoolExecutor(1, 1, |
970 |
60, TimeUnit.SECONDS, |
971 |
new ArrayBlockingQueue<Runnable>(10)); |
972 |
|
973 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
974 |
final CountDownLatch done = new CountDownLatch(1); |
975 |
try { |
976 |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
977 |
public void realRun() throws Exception { |
978 |
Callable task = new CheckedCallable<Boolean>() { |
979 |
public Boolean realCall() throws InterruptedException { |
980 |
threadStarted.countDown(); |
981 |
done.await(); |
982 |
return Boolean.TRUE; |
983 |
}}; |
984 |
p.submit(task).get(); |
985 |
}}); |
986 |
|
987 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
988 |
t.interrupt(); |
989 |
awaitTermination(t, MEDIUM_DELAY_MS); |
990 |
} finally { |
991 |
done.countDown(); |
992 |
joinPool(p); |
993 |
} |
994 |
} |
995 |
|
996 |
/** |
997 |
* execute throws RejectedExecutionException if saturated. |
998 |
*/ |
999 |
public void testSaturatedExecute() { |
1000 |
ThreadPoolExecutor p = |
1001 |
new ThreadPoolExecutor(1, 1, |
1002 |
LONG_DELAY_MS, MILLISECONDS, |
1003 |
new ArrayBlockingQueue<Runnable>(1)); |
1004 |
final CountDownLatch done = new CountDownLatch(1); |
1005 |
try { |
1006 |
Runnable task = new CheckedRunnable() { |
1007 |
public void realRun() throws InterruptedException { |
1008 |
done.await(); |
1009 |
}}; |
1010 |
for (int i = 0; i < 2; ++i) |
1011 |
p.execute(task); |
1012 |
for (int i = 0; i < 2; ++i) { |
1013 |
try { |
1014 |
p.execute(task); |
1015 |
shouldThrow(); |
1016 |
} catch (RejectedExecutionException success) {} |
1017 |
assertTrue(p.getTaskCount() <= 2); |
1018 |
} |
1019 |
} finally { |
1020 |
done.countDown(); |
1021 |
joinPool(p); |
1022 |
} |
1023 |
} |
1024 |
|
1025 |
/** |
1026 |
* submit(runnable) throws RejectedExecutionException if saturated. |
1027 |
*/ |
1028 |
public void testSaturatedSubmitRunnable() { |
1029 |
ThreadPoolExecutor p = |
1030 |
new ThreadPoolExecutor(1, 1, |
1031 |
LONG_DELAY_MS, MILLISECONDS, |
1032 |
new ArrayBlockingQueue<Runnable>(1)); |
1033 |
final CountDownLatch done = new CountDownLatch(1); |
1034 |
try { |
1035 |
Runnable task = new CheckedRunnable() { |
1036 |
public void realRun() throws InterruptedException { |
1037 |
done.await(); |
1038 |
}}; |
1039 |
for (int i = 0; i < 2; ++i) |
1040 |
p.submit(task); |
1041 |
for (int i = 0; i < 2; ++i) { |
1042 |
try { |
1043 |
p.execute(task); |
1044 |
shouldThrow(); |
1045 |
} catch (RejectedExecutionException success) {} |
1046 |
assertTrue(p.getTaskCount() <= 2); |
1047 |
} |
1048 |
} finally { |
1049 |
done.countDown(); |
1050 |
joinPool(p); |
1051 |
} |
1052 |
} |
1053 |
|
1054 |
/** |
1055 |
* submit(callable) throws RejectedExecutionException if saturated. |
1056 |
*/ |
1057 |
public void testSaturatedSubmitCallable() { |
1058 |
ThreadPoolExecutor p = |
1059 |
new ThreadPoolExecutor(1, 1, |
1060 |
LONG_DELAY_MS, MILLISECONDS, |
1061 |
new ArrayBlockingQueue<Runnable>(1)); |
1062 |
final CountDownLatch done = new CountDownLatch(1); |
1063 |
try { |
1064 |
Runnable task = new CheckedRunnable() { |
1065 |
public void realRun() throws InterruptedException { |
1066 |
done.await(); |
1067 |
}}; |
1068 |
for (int i = 0; i < 2; ++i) |
1069 |
p.submit(Executors.callable(task)); |
1070 |
for (int i = 0; i < 2; ++i) { |
1071 |
try { |
1072 |
p.execute(task); |
1073 |
shouldThrow(); |
1074 |
} catch (RejectedExecutionException success) {} |
1075 |
assertTrue(p.getTaskCount() <= 2); |
1076 |
} |
1077 |
} finally { |
1078 |
done.countDown(); |
1079 |
joinPool(p); |
1080 |
} |
1081 |
} |
1082 |
|
1083 |
/** |
1084 |
* executor using CallerRunsPolicy runs task if saturated. |
1085 |
*/ |
1086 |
public void testSaturatedExecute2() { |
1087 |
RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy(); |
1088 |
final ThreadPoolExecutor p = |
1089 |
new ThreadPoolExecutor(1, 1, |
1090 |
LONG_DELAY_MS, |
1091 |
MILLISECONDS, |
1092 |
new ArrayBlockingQueue<Runnable>(1), |
1093 |
h); |
1094 |
try { |
1095 |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1096 |
for (int i = 0; i < tasks.length; ++i) |
1097 |
tasks[i] = new TrackedNoOpRunnable(); |
1098 |
TrackedLongRunnable mr = new TrackedLongRunnable(); |
1099 |
p.execute(mr); |
1100 |
for (int i = 0; i < tasks.length; ++i) |
1101 |
p.execute(tasks[i]); |
1102 |
for (int i = 1; i < tasks.length; ++i) |
1103 |
assertTrue(tasks[i].done); |
1104 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1105 |
} finally { |
1106 |
joinPool(p); |
1107 |
} |
1108 |
} |
1109 |
|
1110 |
/** |
1111 |
* executor using DiscardPolicy drops task if saturated. |
1112 |
*/ |
1113 |
public void testSaturatedExecute3() { |
1114 |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy(); |
1115 |
final ThreadPoolExecutor p = |
1116 |
new ThreadPoolExecutor(1, 1, |
1117 |
LONG_DELAY_MS, MILLISECONDS, |
1118 |
new ArrayBlockingQueue<Runnable>(1), |
1119 |
h); |
1120 |
try { |
1121 |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1122 |
for (int i = 0; i < tasks.length; ++i) |
1123 |
tasks[i] = new TrackedNoOpRunnable(); |
1124 |
p.execute(new TrackedLongRunnable()); |
1125 |
for (TrackedNoOpRunnable task : tasks) |
1126 |
p.execute(task); |
1127 |
for (TrackedNoOpRunnable task : tasks) |
1128 |
assertFalse(task.done); |
1129 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1130 |
} finally { |
1131 |
joinPool(p); |
1132 |
} |
1133 |
} |
1134 |
|
1135 |
/** |
1136 |
* executor using DiscardOldestPolicy drops oldest task if saturated. |
1137 |
*/ |
1138 |
public void testSaturatedExecute4() { |
1139 |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy(); |
1140 |
final ThreadPoolExecutor p = |
1141 |
new ThreadPoolExecutor(1, 1, |
1142 |
LONG_DELAY_MS, MILLISECONDS, |
1143 |
new ArrayBlockingQueue<Runnable>(1), |
1144 |
h); |
1145 |
try { |
1146 |
p.execute(new TrackedLongRunnable()); |
1147 |
TrackedLongRunnable r2 = new TrackedLongRunnable(); |
1148 |
p.execute(r2); |
1149 |
assertTrue(p.getQueue().contains(r2)); |
1150 |
TrackedNoOpRunnable r3 = new TrackedNoOpRunnable(); |
1151 |
p.execute(r3); |
1152 |
assertFalse(p.getQueue().contains(r2)); |
1153 |
assertTrue(p.getQueue().contains(r3)); |
1154 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1155 |
} finally { |
1156 |
joinPool(p); |
1157 |
} |
1158 |
} |
1159 |
|
1160 |
/** |
1161 |
* execute throws RejectedExecutionException if shutdown |
1162 |
*/ |
1163 |
public void testRejectedExecutionExceptionOnShutdown() { |
1164 |
ThreadPoolExecutor p = |
1165 |
new ThreadPoolExecutor(1, 1, |
1166 |
LONG_DELAY_MS, MILLISECONDS, |
1167 |
new ArrayBlockingQueue<Runnable>(1)); |
1168 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1169 |
try { |
1170 |
p.execute(new NoOpRunnable()); |
1171 |
shouldThrow(); |
1172 |
} catch (RejectedExecutionException success) {} |
1173 |
|
1174 |
joinPool(p); |
1175 |
} |
1176 |
|
1177 |
/** |
1178 |
* execute using CallerRunsPolicy drops task on shutdown |
1179 |
*/ |
1180 |
public void testCallerRunsOnShutdown() { |
1181 |
RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy(); |
1182 |
final ThreadPoolExecutor p = |
1183 |
new ThreadPoolExecutor(1, 1, |
1184 |
LONG_DELAY_MS, MILLISECONDS, |
1185 |
new ArrayBlockingQueue<Runnable>(1), h); |
1186 |
|
1187 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1188 |
try { |
1189 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1190 |
p.execute(r); |
1191 |
assertFalse(r.done); |
1192 |
} finally { |
1193 |
joinPool(p); |
1194 |
} |
1195 |
} |
1196 |
|
1197 |
/** |
1198 |
* execute using DiscardPolicy drops task on shutdown |
1199 |
*/ |
1200 |
public void testDiscardOnShutdown() { |
1201 |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy(); |
1202 |
ThreadPoolExecutor p = |
1203 |
new ThreadPoolExecutor(1, 1, |
1204 |
LONG_DELAY_MS, MILLISECONDS, |
1205 |
new ArrayBlockingQueue<Runnable>(1), |
1206 |
h); |
1207 |
|
1208 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1209 |
try { |
1210 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1211 |
p.execute(r); |
1212 |
assertFalse(r.done); |
1213 |
} finally { |
1214 |
joinPool(p); |
1215 |
} |
1216 |
} |
1217 |
|
1218 |
/** |
1219 |
* execute using DiscardOldestPolicy drops task on shutdown |
1220 |
*/ |
1221 |
public void testDiscardOldestOnShutdown() { |
1222 |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy(); |
1223 |
ThreadPoolExecutor p = |
1224 |
new ThreadPoolExecutor(1, 1, |
1225 |
LONG_DELAY_MS, MILLISECONDS, |
1226 |
new ArrayBlockingQueue<Runnable>(1), |
1227 |
h); |
1228 |
|
1229 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1230 |
try { |
1231 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1232 |
p.execute(r); |
1233 |
assertFalse(r.done); |
1234 |
} finally { |
1235 |
joinPool(p); |
1236 |
} |
1237 |
} |
1238 |
|
1239 |
/** |
1240 |
* execute(null) throws NPE |
1241 |
*/ |
1242 |
public void testExecuteNull() { |
1243 |
ThreadPoolExecutor p = |
1244 |
new ThreadPoolExecutor(1, 2, |
1245 |
LONG_DELAY_MS, MILLISECONDS, |
1246 |
new ArrayBlockingQueue<Runnable>(10)); |
1247 |
try { |
1248 |
p.execute(null); |
1249 |
shouldThrow(); |
1250 |
} catch (NullPointerException success) {} |
1251 |
|
1252 |
joinPool(p); |
1253 |
} |
1254 |
|
1255 |
/** |
1256 |
* setCorePoolSize of negative value throws IllegalArgumentException |
1257 |
*/ |
1258 |
public void testCorePoolSizeIllegalArgumentException() { |
1259 |
ThreadPoolExecutor p = |
1260 |
new ThreadPoolExecutor(1, 2, |
1261 |
LONG_DELAY_MS, MILLISECONDS, |
1262 |
new ArrayBlockingQueue<Runnable>(10)); |
1263 |
try { |
1264 |
p.setCorePoolSize(-1); |
1265 |
shouldThrow(); |
1266 |
} catch (IllegalArgumentException success) { |
1267 |
} finally { |
1268 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1269 |
} |
1270 |
joinPool(p); |
1271 |
} |
1272 |
|
1273 |
/** |
1274 |
* setMaximumPoolSize(int) throws IllegalArgumentException if |
1275 |
* given a value less the core pool size |
1276 |
*/ |
1277 |
public void testMaximumPoolSizeIllegalArgumentException() { |
1278 |
ThreadPoolExecutor p = |
1279 |
new ThreadPoolExecutor(2, 3, |
1280 |
LONG_DELAY_MS, MILLISECONDS, |
1281 |
new ArrayBlockingQueue<Runnable>(10)); |
1282 |
try { |
1283 |
p.setMaximumPoolSize(1); |
1284 |
shouldThrow(); |
1285 |
} catch (IllegalArgumentException success) { |
1286 |
} finally { |
1287 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1288 |
} |
1289 |
joinPool(p); |
1290 |
} |
1291 |
|
1292 |
/** |
1293 |
* setMaximumPoolSize throws IllegalArgumentException |
1294 |
* if given a negative value |
1295 |
*/ |
1296 |
public void testMaximumPoolSizeIllegalArgumentException2() { |
1297 |
ThreadPoolExecutor p = |
1298 |
new ThreadPoolExecutor(2, 3, |
1299 |
LONG_DELAY_MS, MILLISECONDS, |
1300 |
new ArrayBlockingQueue<Runnable>(10)); |
1301 |
try { |
1302 |
p.setMaximumPoolSize(-1); |
1303 |
shouldThrow(); |
1304 |
} catch (IllegalArgumentException success) { |
1305 |
} finally { |
1306 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1307 |
} |
1308 |
joinPool(p); |
1309 |
} |
1310 |
|
1311 |
/** |
1312 |
* setKeepAliveTime throws IllegalArgumentException |
1313 |
* when given a negative value |
1314 |
*/ |
1315 |
public void testKeepAliveTimeIllegalArgumentException() { |
1316 |
ThreadPoolExecutor p = |
1317 |
new ThreadPoolExecutor(2, 3, |
1318 |
LONG_DELAY_MS, MILLISECONDS, |
1319 |
new ArrayBlockingQueue<Runnable>(10)); |
1320 |
try { |
1321 |
p.setKeepAliveTime(-1,MILLISECONDS); |
1322 |
shouldThrow(); |
1323 |
} catch (IllegalArgumentException success) { |
1324 |
} finally { |
1325 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1326 |
} |
1327 |
joinPool(p); |
1328 |
} |
1329 |
|
1330 |
/** |
1331 |
* terminated() is called on termination |
1332 |
*/ |
1333 |
public void testTerminated() { |
1334 |
ExtendedTPE p = new ExtendedTPE(); |
1335 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1336 |
assertTrue(p.terminatedCalled()); |
1337 |
joinPool(p); |
1338 |
} |
1339 |
|
1340 |
/** |
1341 |
* beforeExecute and afterExecute are called when executing task |
1342 |
*/ |
1343 |
public void testBeforeAfter() throws InterruptedException { |
1344 |
ExtendedTPE p = new ExtendedTPE(); |
1345 |
try { |
1346 |
final CountDownLatch done = new CountDownLatch(1); |
1347 |
final CheckedRunnable task = new CheckedRunnable() { |
1348 |
public void realRun() { |
1349 |
done.countDown(); |
1350 |
}}; |
1351 |
p.execute(task); |
1352 |
await(p.afterCalled); |
1353 |
assertEquals(0, done.getCount()); |
1354 |
assertTrue(p.afterCalled()); |
1355 |
assertTrue(p.beforeCalled()); |
1356 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1357 |
} finally { |
1358 |
joinPool(p); |
1359 |
} |
1360 |
} |
1361 |
|
1362 |
/** |
1363 |
* completed submit of callable returns result |
1364 |
*/ |
1365 |
public void testSubmitCallable() throws Exception { |
1366 |
ExecutorService e = |
1367 |
new ThreadPoolExecutor(2, 2, |
1368 |
LONG_DELAY_MS, MILLISECONDS, |
1369 |
new ArrayBlockingQueue<Runnable>(10)); |
1370 |
try { |
1371 |
Future<String> future = e.submit(new StringTask()); |
1372 |
String result = future.get(); |
1373 |
assertSame(TEST_STRING, result); |
1374 |
} finally { |
1375 |
joinPool(e); |
1376 |
} |
1377 |
} |
1378 |
|
1379 |
/** |
1380 |
* completed submit of runnable returns successfully |
1381 |
*/ |
1382 |
public void testSubmitRunnable() throws Exception { |
1383 |
ExecutorService e = |
1384 |
new ThreadPoolExecutor(2, 2, |
1385 |
LONG_DELAY_MS, MILLISECONDS, |
1386 |
new ArrayBlockingQueue<Runnable>(10)); |
1387 |
try { |
1388 |
Future<?> future = e.submit(new NoOpRunnable()); |
1389 |
future.get(); |
1390 |
assertTrue(future.isDone()); |
1391 |
} finally { |
1392 |
joinPool(e); |
1393 |
} |
1394 |
} |
1395 |
|
1396 |
/** |
1397 |
* completed submit of (runnable, result) returns result |
1398 |
*/ |
1399 |
public void testSubmitRunnable2() throws Exception { |
1400 |
ExecutorService e = |
1401 |
new ThreadPoolExecutor(2, 2, |
1402 |
LONG_DELAY_MS, MILLISECONDS, |
1403 |
new ArrayBlockingQueue<Runnable>(10)); |
1404 |
try { |
1405 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
1406 |
String result = future.get(); |
1407 |
assertSame(TEST_STRING, result); |
1408 |
} finally { |
1409 |
joinPool(e); |
1410 |
} |
1411 |
} |
1412 |
|
1413 |
/** |
1414 |
* invokeAny(null) throws NPE |
1415 |
*/ |
1416 |
public void testInvokeAny1() throws Exception { |
1417 |
ExecutorService e = |
1418 |
new ThreadPoolExecutor(2, 2, |
1419 |
LONG_DELAY_MS, MILLISECONDS, |
1420 |
new ArrayBlockingQueue<Runnable>(10)); |
1421 |
try { |
1422 |
e.invokeAny(null); |
1423 |
shouldThrow(); |
1424 |
} catch (NullPointerException success) { |
1425 |
} finally { |
1426 |
joinPool(e); |
1427 |
} |
1428 |
} |
1429 |
|
1430 |
/** |
1431 |
* invokeAny(empty collection) throws IAE |
1432 |
*/ |
1433 |
public void testInvokeAny2() throws Exception { |
1434 |
ExecutorService e = |
1435 |
new ThreadPoolExecutor(2, 2, |
1436 |
LONG_DELAY_MS, MILLISECONDS, |
1437 |
new ArrayBlockingQueue<Runnable>(10)); |
1438 |
try { |
1439 |
e.invokeAny(new ArrayList<Callable<String>>()); |
1440 |
shouldThrow(); |
1441 |
} catch (IllegalArgumentException success) { |
1442 |
} finally { |
1443 |
joinPool(e); |
1444 |
} |
1445 |
} |
1446 |
|
1447 |
/** |
1448 |
* invokeAny(c) throws NPE if c has null elements |
1449 |
*/ |
1450 |
public void testInvokeAny3() throws Exception { |
1451 |
final CountDownLatch latch = new CountDownLatch(1); |
1452 |
final ExecutorService e = |
1453 |
new ThreadPoolExecutor(2, 2, |
1454 |
LONG_DELAY_MS, MILLISECONDS, |
1455 |
new ArrayBlockingQueue<Runnable>(10)); |
1456 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1457 |
l.add(latchAwaitingStringTask(latch)); |
1458 |
l.add(null); |
1459 |
try { |
1460 |
e.invokeAny(l); |
1461 |
shouldThrow(); |
1462 |
} catch (NullPointerException success) { |
1463 |
} finally { |
1464 |
latch.countDown(); |
1465 |
joinPool(e); |
1466 |
} |
1467 |
} |
1468 |
|
1469 |
/** |
1470 |
* invokeAny(c) throws ExecutionException if no task completes |
1471 |
*/ |
1472 |
public void testInvokeAny4() throws Exception { |
1473 |
ExecutorService e = |
1474 |
new ThreadPoolExecutor(2, 2, |
1475 |
LONG_DELAY_MS, MILLISECONDS, |
1476 |
new ArrayBlockingQueue<Runnable>(10)); |
1477 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1478 |
l.add(new NPETask()); |
1479 |
try { |
1480 |
e.invokeAny(l); |
1481 |
shouldThrow(); |
1482 |
} catch (ExecutionException success) { |
1483 |
assertTrue(success.getCause() instanceof NullPointerException); |
1484 |
} finally { |
1485 |
joinPool(e); |
1486 |
} |
1487 |
} |
1488 |
|
1489 |
/** |
1490 |
* invokeAny(c) returns result of some task |
1491 |
*/ |
1492 |
public void testInvokeAny5() throws Exception { |
1493 |
ExecutorService e = |
1494 |
new ThreadPoolExecutor(2, 2, |
1495 |
LONG_DELAY_MS, MILLISECONDS, |
1496 |
new ArrayBlockingQueue<Runnable>(10)); |
1497 |
try { |
1498 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1499 |
l.add(new StringTask()); |
1500 |
l.add(new StringTask()); |
1501 |
String result = e.invokeAny(l); |
1502 |
assertSame(TEST_STRING, result); |
1503 |
} finally { |
1504 |
joinPool(e); |
1505 |
} |
1506 |
} |
1507 |
|
1508 |
/** |
1509 |
* invokeAll(null) throws NPE |
1510 |
*/ |
1511 |
public void testInvokeAll1() throws Exception { |
1512 |
ExecutorService e = |
1513 |
new ThreadPoolExecutor(2, 2, |
1514 |
LONG_DELAY_MS, MILLISECONDS, |
1515 |
new ArrayBlockingQueue<Runnable>(10)); |
1516 |
try { |
1517 |
e.invokeAll(null); |
1518 |
shouldThrow(); |
1519 |
} catch (NullPointerException success) { |
1520 |
} finally { |
1521 |
joinPool(e); |
1522 |
} |
1523 |
} |
1524 |
|
1525 |
/** |
1526 |
* invokeAll(empty collection) returns empty collection |
1527 |
*/ |
1528 |
public void testInvokeAll2() throws InterruptedException { |
1529 |
ExecutorService e = |
1530 |
new ThreadPoolExecutor(2, 2, |
1531 |
LONG_DELAY_MS, MILLISECONDS, |
1532 |
new ArrayBlockingQueue<Runnable>(10)); |
1533 |
try { |
1534 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
1535 |
assertTrue(r.isEmpty()); |
1536 |
} finally { |
1537 |
joinPool(e); |
1538 |
} |
1539 |
} |
1540 |
|
1541 |
/** |
1542 |
* invokeAll(c) throws NPE if c has null elements |
1543 |
*/ |
1544 |
public void testInvokeAll3() throws Exception { |
1545 |
ExecutorService e = |
1546 |
new ThreadPoolExecutor(2, 2, |
1547 |
LONG_DELAY_MS, MILLISECONDS, |
1548 |
new ArrayBlockingQueue<Runnable>(10)); |
1549 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1550 |
l.add(new StringTask()); |
1551 |
l.add(null); |
1552 |
try { |
1553 |
e.invokeAll(l); |
1554 |
shouldThrow(); |
1555 |
} catch (NullPointerException success) { |
1556 |
} finally { |
1557 |
joinPool(e); |
1558 |
} |
1559 |
} |
1560 |
|
1561 |
/** |
1562 |
* get of element of invokeAll(c) throws exception on failed task |
1563 |
*/ |
1564 |
public void testInvokeAll4() throws Exception { |
1565 |
ExecutorService e = |
1566 |
new ThreadPoolExecutor(2, 2, |
1567 |
LONG_DELAY_MS, MILLISECONDS, |
1568 |
new ArrayBlockingQueue<Runnable>(10)); |
1569 |
try { |
1570 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1571 |
l.add(new NPETask()); |
1572 |
List<Future<String>> futures = e.invokeAll(l); |
1573 |
assertEquals(1, futures.size()); |
1574 |
try { |
1575 |
futures.get(0).get(); |
1576 |
shouldThrow(); |
1577 |
} catch (ExecutionException success) { |
1578 |
assertTrue(success.getCause() instanceof NullPointerException); |
1579 |
} |
1580 |
} finally { |
1581 |
joinPool(e); |
1582 |
} |
1583 |
} |
1584 |
|
1585 |
/** |
1586 |
* invokeAll(c) returns results of all completed tasks |
1587 |
*/ |
1588 |
public void testInvokeAll5() throws Exception { |
1589 |
ExecutorService e = |
1590 |
new ThreadPoolExecutor(2, 2, |
1591 |
LONG_DELAY_MS, MILLISECONDS, |
1592 |
new ArrayBlockingQueue<Runnable>(10)); |
1593 |
try { |
1594 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1595 |
l.add(new StringTask()); |
1596 |
l.add(new StringTask()); |
1597 |
List<Future<String>> futures = e.invokeAll(l); |
1598 |
assertEquals(2, futures.size()); |
1599 |
for (Future<String> future : futures) |
1600 |
assertSame(TEST_STRING, future.get()); |
1601 |
} finally { |
1602 |
joinPool(e); |
1603 |
} |
1604 |
} |
1605 |
|
1606 |
/** |
1607 |
* timed invokeAny(null) throws NPE |
1608 |
*/ |
1609 |
public void testTimedInvokeAny1() throws Exception { |
1610 |
ExecutorService e = |
1611 |
new ThreadPoolExecutor(2, 2, |
1612 |
LONG_DELAY_MS, MILLISECONDS, |
1613 |
new ArrayBlockingQueue<Runnable>(10)); |
1614 |
try { |
1615 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1616 |
shouldThrow(); |
1617 |
} catch (NullPointerException success) { |
1618 |
} finally { |
1619 |
joinPool(e); |
1620 |
} |
1621 |
} |
1622 |
|
1623 |
/** |
1624 |
* timed invokeAny(,,null) throws NPE |
1625 |
*/ |
1626 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1627 |
ExecutorService e = |
1628 |
new ThreadPoolExecutor(2, 2, |
1629 |
LONG_DELAY_MS, MILLISECONDS, |
1630 |
new ArrayBlockingQueue<Runnable>(10)); |
1631 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1632 |
l.add(new StringTask()); |
1633 |
try { |
1634 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1635 |
shouldThrow(); |
1636 |
} catch (NullPointerException success) { |
1637 |
} finally { |
1638 |
joinPool(e); |
1639 |
} |
1640 |
} |
1641 |
|
1642 |
/** |
1643 |
* timed invokeAny(empty collection) throws IAE |
1644 |
*/ |
1645 |
public void testTimedInvokeAny2() throws Exception { |
1646 |
ExecutorService e = |
1647 |
new ThreadPoolExecutor(2, 2, |
1648 |
LONG_DELAY_MS, MILLISECONDS, |
1649 |
new ArrayBlockingQueue<Runnable>(10)); |
1650 |
try { |
1651 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1652 |
shouldThrow(); |
1653 |
} catch (IllegalArgumentException success) { |
1654 |
} finally { |
1655 |
joinPool(e); |
1656 |
} |
1657 |
} |
1658 |
|
1659 |
/** |
1660 |
* timed invokeAny(c) throws NPE if c has null elements |
1661 |
*/ |
1662 |
public void testTimedInvokeAny3() throws Exception { |
1663 |
final CountDownLatch latch = new CountDownLatch(1); |
1664 |
final ExecutorService e = |
1665 |
new ThreadPoolExecutor(2, 2, |
1666 |
LONG_DELAY_MS, MILLISECONDS, |
1667 |
new ArrayBlockingQueue<Runnable>(10)); |
1668 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1669 |
l.add(latchAwaitingStringTask(latch)); |
1670 |
l.add(null); |
1671 |
try { |
1672 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1673 |
shouldThrow(); |
1674 |
} catch (NullPointerException success) { |
1675 |
} finally { |
1676 |
latch.countDown(); |
1677 |
joinPool(e); |
1678 |
} |
1679 |
} |
1680 |
|
1681 |
/** |
1682 |
* timed invokeAny(c) throws ExecutionException if no task completes |
1683 |
*/ |
1684 |
public void testTimedInvokeAny4() throws Exception { |
1685 |
ExecutorService e = |
1686 |
new ThreadPoolExecutor(2, 2, |
1687 |
LONG_DELAY_MS, MILLISECONDS, |
1688 |
new ArrayBlockingQueue<Runnable>(10)); |
1689 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1690 |
l.add(new NPETask()); |
1691 |
try { |
1692 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1693 |
shouldThrow(); |
1694 |
} catch (ExecutionException success) { |
1695 |
assertTrue(success.getCause() instanceof NullPointerException); |
1696 |
} finally { |
1697 |
joinPool(e); |
1698 |
} |
1699 |
} |
1700 |
|
1701 |
/** |
1702 |
* timed invokeAny(c) returns result of some task |
1703 |
*/ |
1704 |
public void testTimedInvokeAny5() throws Exception { |
1705 |
ExecutorService e = |
1706 |
new ThreadPoolExecutor(2, 2, |
1707 |
LONG_DELAY_MS, MILLISECONDS, |
1708 |
new ArrayBlockingQueue<Runnable>(10)); |
1709 |
try { |
1710 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1711 |
l.add(new StringTask()); |
1712 |
l.add(new StringTask()); |
1713 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1714 |
assertSame(TEST_STRING, result); |
1715 |
} finally { |
1716 |
joinPool(e); |
1717 |
} |
1718 |
} |
1719 |
|
1720 |
/** |
1721 |
* timed invokeAll(null) throws NPE |
1722 |
*/ |
1723 |
public void testTimedInvokeAll1() throws Exception { |
1724 |
ExecutorService e = |
1725 |
new ThreadPoolExecutor(2, 2, |
1726 |
LONG_DELAY_MS, MILLISECONDS, |
1727 |
new ArrayBlockingQueue<Runnable>(10)); |
1728 |
try { |
1729 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1730 |
shouldThrow(); |
1731 |
} catch (NullPointerException success) { |
1732 |
} finally { |
1733 |
joinPool(e); |
1734 |
} |
1735 |
} |
1736 |
|
1737 |
/** |
1738 |
* timed invokeAll(,,null) throws NPE |
1739 |
*/ |
1740 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1741 |
ExecutorService e = |
1742 |
new ThreadPoolExecutor(2, 2, |
1743 |
LONG_DELAY_MS, MILLISECONDS, |
1744 |
new ArrayBlockingQueue<Runnable>(10)); |
1745 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1746 |
l.add(new StringTask()); |
1747 |
try { |
1748 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1749 |
shouldThrow(); |
1750 |
} catch (NullPointerException success) { |
1751 |
} finally { |
1752 |
joinPool(e); |
1753 |
} |
1754 |
} |
1755 |
|
1756 |
/** |
1757 |
* timed invokeAll(empty collection) returns empty collection |
1758 |
*/ |
1759 |
public void testTimedInvokeAll2() throws InterruptedException { |
1760 |
ExecutorService e = |
1761 |
new ThreadPoolExecutor(2, 2, |
1762 |
LONG_DELAY_MS, MILLISECONDS, |
1763 |
new ArrayBlockingQueue<Runnable>(10)); |
1764 |
try { |
1765 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1766 |
assertTrue(r.isEmpty()); |
1767 |
} finally { |
1768 |
joinPool(e); |
1769 |
} |
1770 |
} |
1771 |
|
1772 |
/** |
1773 |
* timed invokeAll(c) throws NPE if c has null elements |
1774 |
*/ |
1775 |
public void testTimedInvokeAll3() throws Exception { |
1776 |
ExecutorService e = |
1777 |
new ThreadPoolExecutor(2, 2, |
1778 |
LONG_DELAY_MS, MILLISECONDS, |
1779 |
new ArrayBlockingQueue<Runnable>(10)); |
1780 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1781 |
l.add(new StringTask()); |
1782 |
l.add(null); |
1783 |
try { |
1784 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1785 |
shouldThrow(); |
1786 |
} catch (NullPointerException success) { |
1787 |
} finally { |
1788 |
joinPool(e); |
1789 |
} |
1790 |
} |
1791 |
|
1792 |
/** |
1793 |
* get of element of invokeAll(c) throws exception on failed task |
1794 |
*/ |
1795 |
public void testTimedInvokeAll4() throws Exception { |
1796 |
ExecutorService e = |
1797 |
new ThreadPoolExecutor(2, 2, |
1798 |
LONG_DELAY_MS, MILLISECONDS, |
1799 |
new ArrayBlockingQueue<Runnable>(10)); |
1800 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1801 |
l.add(new NPETask()); |
1802 |
List<Future<String>> futures = |
1803 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1804 |
assertEquals(1, futures.size()); |
1805 |
try { |
1806 |
futures.get(0).get(); |
1807 |
shouldThrow(); |
1808 |
} catch (ExecutionException success) { |
1809 |
assertTrue(success.getCause() instanceof NullPointerException); |
1810 |
} finally { |
1811 |
joinPool(e); |
1812 |
} |
1813 |
} |
1814 |
|
1815 |
/** |
1816 |
* timed invokeAll(c) returns results of all completed tasks |
1817 |
*/ |
1818 |
public void testTimedInvokeAll5() throws Exception { |
1819 |
ExecutorService e = |
1820 |
new ThreadPoolExecutor(2, 2, |
1821 |
LONG_DELAY_MS, MILLISECONDS, |
1822 |
new ArrayBlockingQueue<Runnable>(10)); |
1823 |
try { |
1824 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1825 |
l.add(new StringTask()); |
1826 |
l.add(new StringTask()); |
1827 |
List<Future<String>> futures = |
1828 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1829 |
assertEquals(2, futures.size()); |
1830 |
for (Future<String> future : futures) |
1831 |
assertSame(TEST_STRING, future.get()); |
1832 |
} finally { |
1833 |
joinPool(e); |
1834 |
} |
1835 |
} |
1836 |
|
1837 |
/** |
1838 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1839 |
*/ |
1840 |
public void testTimedInvokeAll6() throws Exception { |
1841 |
ExecutorService e = |
1842 |
new ThreadPoolExecutor(2, 2, |
1843 |
LONG_DELAY_MS, MILLISECONDS, |
1844 |
new ArrayBlockingQueue<Runnable>(10)); |
1845 |
try { |
1846 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1847 |
l.add(new StringTask()); |
1848 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1849 |
l.add(new StringTask()); |
1850 |
List<Future<String>> futures = |
1851 |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1852 |
assertEquals(l.size(), futures.size()); |
1853 |
for (Future future : futures) |
1854 |
assertTrue(future.isDone()); |
1855 |
assertFalse(futures.get(0).isCancelled()); |
1856 |
assertTrue(futures.get(1).isCancelled()); |
1857 |
} finally { |
1858 |
joinPool(e); |
1859 |
} |
1860 |
} |
1861 |
|
1862 |
/** |
1863 |
* Execution continues if there is at least one thread even if |
1864 |
* thread factory fails to create more |
1865 |
*/ |
1866 |
public void testFailingThreadFactory() throws InterruptedException { |
1867 |
final ExecutorService e = |
1868 |
new ThreadPoolExecutor(100, 100, |
1869 |
LONG_DELAY_MS, MILLISECONDS, |
1870 |
new LinkedBlockingQueue<Runnable>(), |
1871 |
new FailingThreadFactory()); |
1872 |
try { |
1873 |
final int TASKS = 100; |
1874 |
final CountDownLatch done = new CountDownLatch(TASKS); |
1875 |
for (int k = 0; k < TASKS; ++k) |
1876 |
e.execute(new CheckedRunnable() { |
1877 |
public void realRun() { |
1878 |
done.countDown(); |
1879 |
}}); |
1880 |
assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS)); |
1881 |
} finally { |
1882 |
joinPool(e); |
1883 |
} |
1884 |
} |
1885 |
|
1886 |
/** |
1887 |
* allowsCoreThreadTimeOut is by default false. |
1888 |
*/ |
1889 |
public void testAllowsCoreThreadTimeOut() { |
1890 |
final ThreadPoolExecutor p = |
1891 |
new ThreadPoolExecutor(2, 2, |
1892 |
1000, MILLISECONDS, |
1893 |
new ArrayBlockingQueue<Runnable>(10)); |
1894 |
assertFalse(p.allowsCoreThreadTimeOut()); |
1895 |
joinPool(p); |
1896 |
} |
1897 |
|
1898 |
/** |
1899 |
* allowCoreThreadTimeOut(true) causes idle threads to time out |
1900 |
*/ |
1901 |
public void testAllowCoreThreadTimeOut_true() throws Exception { |
1902 |
long coreThreadTimeOut = SHORT_DELAY_MS; |
1903 |
final ThreadPoolExecutor p = |
1904 |
new ThreadPoolExecutor(2, 10, |
1905 |
coreThreadTimeOut, MILLISECONDS, |
1906 |
new ArrayBlockingQueue<Runnable>(10)); |
1907 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
1908 |
try { |
1909 |
p.allowCoreThreadTimeOut(true); |
1910 |
p.execute(new CheckedRunnable() { |
1911 |
public void realRun() { |
1912 |
threadStarted.countDown(); |
1913 |
assertEquals(1, p.getPoolSize()); |
1914 |
}}); |
1915 |
await(threadStarted); |
1916 |
delay(coreThreadTimeOut); |
1917 |
long startTime = System.nanoTime(); |
1918 |
while (p.getPoolSize() > 0 |
1919 |
&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
1920 |
Thread.yield(); |
1921 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1922 |
assertEquals(0, p.getPoolSize()); |
1923 |
} finally { |
1924 |
joinPool(p); |
1925 |
} |
1926 |
} |
1927 |
|
1928 |
/** |
1929 |
* allowCoreThreadTimeOut(false) causes idle threads not to time out |
1930 |
*/ |
1931 |
public void testAllowCoreThreadTimeOut_false() throws Exception { |
1932 |
long coreThreadTimeOut = SHORT_DELAY_MS; |
1933 |
final ThreadPoolExecutor p = |
1934 |
new ThreadPoolExecutor(2, 10, |
1935 |
coreThreadTimeOut, MILLISECONDS, |
1936 |
new ArrayBlockingQueue<Runnable>(10)); |
1937 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
1938 |
try { |
1939 |
p.allowCoreThreadTimeOut(false); |
1940 |
p.execute(new CheckedRunnable() { |
1941 |
public void realRun() throws InterruptedException { |
1942 |
threadStarted.countDown(); |
1943 |
assertTrue(p.getPoolSize() >= 1); |
1944 |
}}); |
1945 |
delay(2 * coreThreadTimeOut); |
1946 |
assertTrue(p.getPoolSize() >= 1); |
1947 |
} finally { |
1948 |
joinPool(p); |
1949 |
} |
1950 |
} |
1951 |
|
1952 |
/** |
1953 |
* execute allows the same task to be submitted multiple times, even |
1954 |
* if rejected |
1955 |
*/ |
1956 |
public void testRejectedRecycledTask() throws InterruptedException { |
1957 |
final int nTasks = 1000; |
1958 |
final CountDownLatch done = new CountDownLatch(nTasks); |
1959 |
final Runnable recycledTask = new Runnable() { |
1960 |
public void run() { |
1961 |
done.countDown(); |
1962 |
}}; |
1963 |
final ThreadPoolExecutor p = |
1964 |
new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS, |
1965 |
new ArrayBlockingQueue(30)); |
1966 |
try { |
1967 |
for (int i = 0; i < nTasks; ++i) { |
1968 |
for (;;) { |
1969 |
try { |
1970 |
p.execute(recycledTask); |
1971 |
break; |
1972 |
} |
1973 |
catch (RejectedExecutionException ignore) {} |
1974 |
} |
1975 |
} |
1976 |
// enough time to run all tasks |
1977 |
assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS)); |
1978 |
} finally { |
1979 |
joinPool(p); |
1980 |
} |
1981 |
} |
1982 |
|
1983 |
} |