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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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|
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
import static java.util.concurrent.TimeUnit.SECONDS; |
11 |
|
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.concurrent.ArrayBlockingQueue; |
15 |
import java.util.concurrent.BlockingQueue; |
16 |
import java.util.concurrent.Callable; |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.ExecutionException; |
20 |
import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.FutureTask; |
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import java.util.concurrent.LinkedBlockingQueue; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.RejectedExecutionHandler; |
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import java.util.concurrent.RunnableFuture; |
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import java.util.concurrent.SynchronousQueue; |
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import java.util.concurrent.ThreadFactory; |
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import java.util.concurrent.ThreadPoolExecutor; |
31 |
import java.util.concurrent.TimeoutException; |
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import java.util.concurrent.TimeUnit; |
33 |
import java.util.concurrent.atomic.AtomicInteger; |
34 |
import java.util.concurrent.locks.Condition; |
35 |
import java.util.concurrent.locks.ReentrantLock; |
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|
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import junit.framework.Test; |
38 |
import junit.framework.TestSuite; |
39 |
|
40 |
public class ThreadPoolExecutorSubclassTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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main(suite(), args); |
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} |
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public static Test suite() { |
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return new TestSuite(ThreadPoolExecutorSubclassTest.class); |
46 |
} |
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|
48 |
static class CustomTask<V> implements RunnableFuture<V> { |
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final Callable<V> callable; |
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final ReentrantLock lock = new ReentrantLock(); |
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final Condition cond = lock.newCondition(); |
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boolean done; |
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boolean cancelled; |
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V result; |
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Thread thread; |
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Exception exception; |
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CustomTask(Callable<V> c) { |
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if (c == null) throw new NullPointerException(); |
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callable = c; |
60 |
} |
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CustomTask(final Runnable r, final V res) { |
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if (r == null) throw new NullPointerException(); |
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callable = new Callable<V>() { |
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public V call() throws Exception { r.run(); return res; }}; |
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} |
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public boolean isDone() { |
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lock.lock(); try { return done; } finally { lock.unlock() ; } |
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} |
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public boolean isCancelled() { |
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lock.lock(); try { return cancelled; } finally { lock.unlock() ; } |
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} |
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public boolean cancel(boolean mayInterrupt) { |
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lock.lock(); |
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try { |
75 |
if (!done) { |
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cancelled = true; |
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done = true; |
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if (mayInterrupt && thread != null) |
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thread.interrupt(); |
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return true; |
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} |
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return false; |
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} |
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finally { lock.unlock() ; } |
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} |
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public void run() { |
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lock.lock(); |
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try { |
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if (done) |
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return; |
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thread = Thread.currentThread(); |
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} |
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finally { lock.unlock() ; } |
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V v = null; |
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Exception e = null; |
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try { |
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v = callable.call(); |
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} |
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catch (Exception ex) { |
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e = ex; |
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} |
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lock.lock(); |
103 |
try { |
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result = v; |
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exception = e; |
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done = true; |
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thread = null; |
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cond.signalAll(); |
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} |
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finally { lock.unlock(); } |
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} |
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public V get() throws InterruptedException, ExecutionException { |
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lock.lock(); |
114 |
try { |
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while (!done) |
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cond.await(); |
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if (exception != null) |
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throw new ExecutionException(exception); |
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return result; |
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} |
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finally { lock.unlock(); } |
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} |
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public V get(long timeout, TimeUnit unit) |
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throws InterruptedException, ExecutionException, TimeoutException { |
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long nanos = unit.toNanos(timeout); |
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lock.lock(); |
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try { |
128 |
for (;;) { |
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if (done) break; |
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if (nanos < 0) |
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throw new TimeoutException(); |
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nanos = cond.awaitNanos(nanos); |
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} |
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if (exception != null) |
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throw new ExecutionException(exception); |
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return result; |
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} |
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finally { lock.unlock(); } |
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} |
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} |
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|
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static class CustomTPE extends ThreadPoolExecutor { |
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protected <V> RunnableFuture<V> newTaskFor(Callable<V> c) { |
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return new CustomTask<V>(c); |
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} |
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protected <V> RunnableFuture<V> newTaskFor(Runnable r, V v) { |
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return new CustomTask<V>(r, v); |
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} |
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|
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CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, |
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workQueue); |
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} |
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CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue, |
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ThreadFactory threadFactory) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, |
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threadFactory); |
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} |
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|
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CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue, |
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RejectedExecutionHandler handler) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, |
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handler); |
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} |
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CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue, |
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ThreadFactory threadFactory, |
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RejectedExecutionHandler handler) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, |
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workQueue, threadFactory, handler); |
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} |
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|
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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); |
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|
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public CustomTPE() { |
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super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>()); |
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} |
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protected void beforeExecute(Thread t, Runnable r) { |
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beforeCalled.countDown(); |
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} |
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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; |
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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) { |
219 |
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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* execute successfully executes a runnable |
226 |
*/ |
227 |
public void testExecute() throws InterruptedException { |
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final ThreadPoolExecutor p = |
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new CustomTPE(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); |
233 |
final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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}}; |
237 |
try { |
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p.execute(task); |
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assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
240 |
} finally { |
241 |
joinPool(p); |
242 |
} |
243 |
} |
244 |
|
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/** |
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* getActiveCount increases but doesn't overestimate, when a |
247 |
* thread becomes active |
248 |
*/ |
249 |
public void testGetActiveCount() throws InterruptedException { |
250 |
final ThreadPoolExecutor p = |
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new CustomTPE(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); |
255 |
final CountDownLatch done = new CountDownLatch(1); |
256 |
try { |
257 |
assertEquals(0, p.getActiveCount()); |
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p.execute(new CheckedRunnable() { |
259 |
public void realRun() throws InterruptedException { |
260 |
threadStarted.countDown(); |
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assertEquals(1, p.getActiveCount()); |
262 |
done.await(); |
263 |
}}); |
264 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
265 |
assertEquals(1, p.getActiveCount()); |
266 |
} finally { |
267 |
done.countDown(); |
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joinPool(p); |
269 |
} |
270 |
} |
271 |
|
272 |
/** |
273 |
* prestartCoreThread starts a thread if under corePoolSize, else doesn't |
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*/ |
275 |
public void testPrestartCoreThread() { |
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ThreadPoolExecutor p = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
277 |
assertEquals(0, p.getPoolSize()); |
278 |
assertTrue(p.prestartCoreThread()); |
279 |
assertEquals(1, p.getPoolSize()); |
280 |
assertTrue(p.prestartCoreThread()); |
281 |
assertEquals(2, p.getPoolSize()); |
282 |
assertFalse(p.prestartCoreThread()); |
283 |
assertEquals(2, p.getPoolSize()); |
284 |
joinPool(p); |
285 |
} |
286 |
|
287 |
/** |
288 |
* prestartAllCoreThreads starts all corePoolSize threads |
289 |
*/ |
290 |
public void testPrestartAllCoreThreads() { |
291 |
ThreadPoolExecutor p = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
292 |
assertEquals(0, p.getPoolSize()); |
293 |
p.prestartAllCoreThreads(); |
294 |
assertEquals(2, p.getPoolSize()); |
295 |
p.prestartAllCoreThreads(); |
296 |
assertEquals(2, p.getPoolSize()); |
297 |
joinPool(p); |
298 |
} |
299 |
|
300 |
/** |
301 |
* getCompletedTaskCount increases, but doesn't overestimate, |
302 |
* when tasks complete |
303 |
*/ |
304 |
public void testGetCompletedTaskCount() throws InterruptedException { |
305 |
final ThreadPoolExecutor p = |
306 |
new CustomTPE(2, 2, |
307 |
LONG_DELAY_MS, MILLISECONDS, |
308 |
new ArrayBlockingQueue<Runnable>(10)); |
309 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
310 |
final CountDownLatch threadProceed = new CountDownLatch(1); |
311 |
final CountDownLatch threadDone = new CountDownLatch(1); |
312 |
try { |
313 |
assertEquals(0, p.getCompletedTaskCount()); |
314 |
p.execute(new CheckedRunnable() { |
315 |
public void realRun() throws InterruptedException { |
316 |
threadStarted.countDown(); |
317 |
assertEquals(0, p.getCompletedTaskCount()); |
318 |
threadProceed.await(); |
319 |
threadDone.countDown(); |
320 |
}}); |
321 |
await(threadStarted); |
322 |
assertEquals(0, p.getCompletedTaskCount()); |
323 |
threadProceed.countDown(); |
324 |
threadDone.await(); |
325 |
long startTime = System.nanoTime(); |
326 |
while (p.getCompletedTaskCount() != 1) { |
327 |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
328 |
fail("timed out"); |
329 |
Thread.yield(); |
330 |
} |
331 |
} finally { |
332 |
joinPool(p); |
333 |
} |
334 |
} |
335 |
|
336 |
/** |
337 |
* getCorePoolSize returns size given in constructor if not otherwise set |
338 |
*/ |
339 |
public void testGetCorePoolSize() { |
340 |
ThreadPoolExecutor p = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
341 |
assertEquals(1, p.getCorePoolSize()); |
342 |
joinPool(p); |
343 |
} |
344 |
|
345 |
/** |
346 |
* getKeepAliveTime returns value given in constructor if not otherwise set |
347 |
*/ |
348 |
public void testGetKeepAliveTime() { |
349 |
ThreadPoolExecutor p = new CustomTPE(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
350 |
assertEquals(1, p.getKeepAliveTime(SECONDS)); |
351 |
joinPool(p); |
352 |
} |
353 |
|
354 |
/** |
355 |
* getThreadFactory returns factory in constructor if not set |
356 |
*/ |
357 |
public void testGetThreadFactory() { |
358 |
ThreadFactory tf = new SimpleThreadFactory(); |
359 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler()); |
360 |
assertSame(tf, p.getThreadFactory()); |
361 |
joinPool(p); |
362 |
} |
363 |
|
364 |
/** |
365 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
366 |
*/ |
367 |
public void testSetThreadFactory() { |
368 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
369 |
ThreadFactory tf = new SimpleThreadFactory(); |
370 |
p.setThreadFactory(tf); |
371 |
assertSame(tf, p.getThreadFactory()); |
372 |
joinPool(p); |
373 |
} |
374 |
|
375 |
/** |
376 |
* setThreadFactory(null) throws NPE |
377 |
*/ |
378 |
public void testSetThreadFactoryNull() { |
379 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
380 |
try { |
381 |
p.setThreadFactory(null); |
382 |
shouldThrow(); |
383 |
} catch (NullPointerException success) { |
384 |
} finally { |
385 |
joinPool(p); |
386 |
} |
387 |
} |
388 |
|
389 |
/** |
390 |
* getRejectedExecutionHandler returns handler in constructor if not set |
391 |
*/ |
392 |
public void testGetRejectedExecutionHandler() { |
393 |
RejectedExecutionHandler h = new NoOpREHandler(); |
394 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h); |
395 |
assertSame(h, p.getRejectedExecutionHandler()); |
396 |
joinPool(p); |
397 |
} |
398 |
|
399 |
/** |
400 |
* setRejectedExecutionHandler sets the handler returned by |
401 |
* getRejectedExecutionHandler |
402 |
*/ |
403 |
public void testSetRejectedExecutionHandler() { |
404 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
405 |
RejectedExecutionHandler h = new NoOpREHandler(); |
406 |
p.setRejectedExecutionHandler(h); |
407 |
assertSame(h, p.getRejectedExecutionHandler()); |
408 |
joinPool(p); |
409 |
} |
410 |
|
411 |
/** |
412 |
* setRejectedExecutionHandler(null) throws NPE |
413 |
*/ |
414 |
public void testSetRejectedExecutionHandlerNull() { |
415 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
416 |
try { |
417 |
p.setRejectedExecutionHandler(null); |
418 |
shouldThrow(); |
419 |
} catch (NullPointerException success) { |
420 |
} finally { |
421 |
joinPool(p); |
422 |
} |
423 |
} |
424 |
|
425 |
/** |
426 |
* getLargestPoolSize increases, but doesn't overestimate, when |
427 |
* multiple threads active |
428 |
*/ |
429 |
public void testGetLargestPoolSize() throws InterruptedException { |
430 |
final int THREADS = 3; |
431 |
final ThreadPoolExecutor p = |
432 |
new CustomTPE(THREADS, THREADS, |
433 |
LONG_DELAY_MS, MILLISECONDS, |
434 |
new ArrayBlockingQueue<Runnable>(10)); |
435 |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
436 |
final CountDownLatch done = new CountDownLatch(1); |
437 |
try { |
438 |
assertEquals(0, p.getLargestPoolSize()); |
439 |
for (int i = 0; i < THREADS; i++) |
440 |
p.execute(new CheckedRunnable() { |
441 |
public void realRun() throws InterruptedException { |
442 |
threadsStarted.countDown(); |
443 |
done.await(); |
444 |
assertEquals(THREADS, p.getLargestPoolSize()); |
445 |
}}); |
446 |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
447 |
assertEquals(THREADS, p.getLargestPoolSize()); |
448 |
} finally { |
449 |
done.countDown(); |
450 |
joinPool(p); |
451 |
assertEquals(THREADS, p.getLargestPoolSize()); |
452 |
} |
453 |
} |
454 |
|
455 |
/** |
456 |
* getMaximumPoolSize returns value given in constructor if not |
457 |
* otherwise set |
458 |
*/ |
459 |
public void testGetMaximumPoolSize() { |
460 |
ThreadPoolExecutor p = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
461 |
assertEquals(2, p.getMaximumPoolSize()); |
462 |
joinPool(p); |
463 |
} |
464 |
|
465 |
/** |
466 |
* getPoolSize increases, but doesn't overestimate, when threads |
467 |
* become active |
468 |
*/ |
469 |
public void testGetPoolSize() throws InterruptedException { |
470 |
final ThreadPoolExecutor p = |
471 |
new CustomTPE(1, 1, |
472 |
LONG_DELAY_MS, MILLISECONDS, |
473 |
new ArrayBlockingQueue<Runnable>(10)); |
474 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
475 |
final CountDownLatch done = new CountDownLatch(1); |
476 |
try { |
477 |
assertEquals(0, p.getPoolSize()); |
478 |
p.execute(new CheckedRunnable() { |
479 |
public void realRun() throws InterruptedException { |
480 |
threadStarted.countDown(); |
481 |
assertEquals(1, p.getPoolSize()); |
482 |
done.await(); |
483 |
}}); |
484 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
485 |
assertEquals(1, p.getPoolSize()); |
486 |
} finally { |
487 |
done.countDown(); |
488 |
joinPool(p); |
489 |
} |
490 |
} |
491 |
|
492 |
/** |
493 |
* getTaskCount increases, but doesn't overestimate, when tasks submitted |
494 |
*/ |
495 |
public void testGetTaskCount() throws InterruptedException { |
496 |
final ThreadPoolExecutor p = |
497 |
new CustomTPE(1, 1, |
498 |
LONG_DELAY_MS, MILLISECONDS, |
499 |
new ArrayBlockingQueue<Runnable>(10)); |
500 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
501 |
final CountDownLatch done = new CountDownLatch(1); |
502 |
try { |
503 |
assertEquals(0, p.getTaskCount()); |
504 |
p.execute(new CheckedRunnable() { |
505 |
public void realRun() throws InterruptedException { |
506 |
threadStarted.countDown(); |
507 |
assertEquals(1, p.getTaskCount()); |
508 |
done.await(); |
509 |
}}); |
510 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
511 |
assertEquals(1, p.getTaskCount()); |
512 |
} finally { |
513 |
done.countDown(); |
514 |
joinPool(p); |
515 |
} |
516 |
} |
517 |
|
518 |
/** |
519 |
* isShutdown is false before shutdown, true after |
520 |
*/ |
521 |
public void testIsShutdown() { |
522 |
|
523 |
ThreadPoolExecutor p = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
524 |
assertFalse(p.isShutdown()); |
525 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
526 |
assertTrue(p.isShutdown()); |
527 |
joinPool(p); |
528 |
} |
529 |
|
530 |
/** |
531 |
* isTerminated is false before termination, true after |
532 |
*/ |
533 |
public void testIsTerminated() throws InterruptedException { |
534 |
final ThreadPoolExecutor p = |
535 |
new CustomTPE(1, 1, |
536 |
LONG_DELAY_MS, MILLISECONDS, |
537 |
new ArrayBlockingQueue<Runnable>(10)); |
538 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
539 |
final CountDownLatch done = new CountDownLatch(1); |
540 |
try { |
541 |
assertFalse(p.isTerminating()); |
542 |
p.execute(new CheckedRunnable() { |
543 |
public void realRun() throws InterruptedException { |
544 |
assertFalse(p.isTerminating()); |
545 |
threadStarted.countDown(); |
546 |
done.await(); |
547 |
}}); |
548 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
549 |
assertFalse(p.isTerminating()); |
550 |
done.countDown(); |
551 |
} finally { |
552 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
553 |
} |
554 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
555 |
assertTrue(p.isTerminated()); |
556 |
assertFalse(p.isTerminating()); |
557 |
} |
558 |
|
559 |
/** |
560 |
* isTerminating is not true when running or when terminated |
561 |
*/ |
562 |
public void testIsTerminating() throws InterruptedException { |
563 |
final ThreadPoolExecutor p = |
564 |
new CustomTPE(1, 1, |
565 |
LONG_DELAY_MS, MILLISECONDS, |
566 |
new ArrayBlockingQueue<Runnable>(10)); |
567 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
568 |
final CountDownLatch done = new CountDownLatch(1); |
569 |
try { |
570 |
assertFalse(p.isTerminating()); |
571 |
p.execute(new CheckedRunnable() { |
572 |
public void realRun() throws InterruptedException { |
573 |
assertFalse(p.isTerminating()); |
574 |
threadStarted.countDown(); |
575 |
done.await(); |
576 |
}}); |
577 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
578 |
assertFalse(p.isTerminating()); |
579 |
done.countDown(); |
580 |
} finally { |
581 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
582 |
} |
583 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
584 |
assertTrue(p.isTerminated()); |
585 |
assertFalse(p.isTerminating()); |
586 |
} |
587 |
|
588 |
/** |
589 |
* getQueue returns the work queue, which contains queued tasks |
590 |
*/ |
591 |
public void testGetQueue() throws InterruptedException { |
592 |
final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
593 |
final ThreadPoolExecutor p = |
594 |
new CustomTPE(1, 1, |
595 |
LONG_DELAY_MS, MILLISECONDS, |
596 |
q); |
597 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
598 |
final CountDownLatch done = new CountDownLatch(1); |
599 |
try { |
600 |
FutureTask[] tasks = new FutureTask[5]; |
601 |
for (int i = 0; i < tasks.length; i++) { |
602 |
Callable task = new CheckedCallable<Boolean>() { |
603 |
public Boolean realCall() throws InterruptedException { |
604 |
threadStarted.countDown(); |
605 |
assertSame(q, p.getQueue()); |
606 |
done.await(); |
607 |
return Boolean.TRUE; |
608 |
}}; |
609 |
tasks[i] = new FutureTask(task); |
610 |
p.execute(tasks[i]); |
611 |
} |
612 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
613 |
assertSame(q, p.getQueue()); |
614 |
assertFalse(q.contains(tasks[0])); |
615 |
assertTrue(q.contains(tasks[tasks.length - 1])); |
616 |
assertEquals(tasks.length - 1, q.size()); |
617 |
} finally { |
618 |
done.countDown(); |
619 |
joinPool(p); |
620 |
} |
621 |
} |
622 |
|
623 |
/** |
624 |
* remove(task) removes queued task, and fails to remove active task |
625 |
*/ |
626 |
public void testRemove() throws InterruptedException { |
627 |
BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
628 |
final ThreadPoolExecutor p = |
629 |
new CustomTPE(1, 1, |
630 |
LONG_DELAY_MS, MILLISECONDS, |
631 |
q); |
632 |
Runnable[] tasks = new Runnable[6]; |
633 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
634 |
final CountDownLatch done = new CountDownLatch(1); |
635 |
try { |
636 |
for (int i = 0; i < tasks.length; i++) { |
637 |
tasks[i] = new CheckedRunnable() { |
638 |
public void realRun() throws InterruptedException { |
639 |
threadStarted.countDown(); |
640 |
done.await(); |
641 |
}}; |
642 |
p.execute(tasks[i]); |
643 |
} |
644 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
645 |
assertFalse(p.remove(tasks[0])); |
646 |
assertTrue(q.contains(tasks[4])); |
647 |
assertTrue(q.contains(tasks[3])); |
648 |
assertTrue(p.remove(tasks[4])); |
649 |
assertFalse(p.remove(tasks[4])); |
650 |
assertFalse(q.contains(tasks[4])); |
651 |
assertTrue(q.contains(tasks[3])); |
652 |
assertTrue(p.remove(tasks[3])); |
653 |
assertFalse(q.contains(tasks[3])); |
654 |
} finally { |
655 |
done.countDown(); |
656 |
joinPool(p); |
657 |
} |
658 |
} |
659 |
|
660 |
/** |
661 |
* purge removes cancelled tasks from the queue |
662 |
*/ |
663 |
public void testPurge() throws InterruptedException { |
664 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
665 |
final CountDownLatch done = new CountDownLatch(1); |
666 |
final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
667 |
final ThreadPoolExecutor p = |
668 |
new CustomTPE(1, 1, |
669 |
LONG_DELAY_MS, MILLISECONDS, |
670 |
q); |
671 |
FutureTask[] tasks = new FutureTask[5]; |
672 |
try { |
673 |
for (int i = 0; i < tasks.length; i++) { |
674 |
Callable task = new CheckedCallable<Boolean>() { |
675 |
public Boolean realCall() throws InterruptedException { |
676 |
threadStarted.countDown(); |
677 |
done.await(); |
678 |
return Boolean.TRUE; |
679 |
}}; |
680 |
tasks[i] = new FutureTask(task); |
681 |
p.execute(tasks[i]); |
682 |
} |
683 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
684 |
assertEquals(tasks.length, p.getTaskCount()); |
685 |
assertEquals(tasks.length - 1, q.size()); |
686 |
assertEquals(1L, p.getActiveCount()); |
687 |
assertEquals(0L, p.getCompletedTaskCount()); |
688 |
tasks[4].cancel(true); |
689 |
tasks[3].cancel(false); |
690 |
p.purge(); |
691 |
assertEquals(tasks.length - 3, q.size()); |
692 |
assertEquals(tasks.length - 2, p.getTaskCount()); |
693 |
p.purge(); // Nothing to do |
694 |
assertEquals(tasks.length - 3, q.size()); |
695 |
assertEquals(tasks.length - 2, p.getTaskCount()); |
696 |
} finally { |
697 |
done.countDown(); |
698 |
joinPool(p); |
699 |
} |
700 |
} |
701 |
|
702 |
/** |
703 |
* shutdownNow returns a list containing tasks that were not run, |
704 |
* and those tasks are drained from the queue |
705 |
*/ |
706 |
public void testShutdownNow() throws InterruptedException { |
707 |
final int poolSize = 2; |
708 |
final int count = 5; |
709 |
final AtomicInteger ran = new AtomicInteger(0); |
710 |
ThreadPoolExecutor p = |
711 |
new CustomTPE(poolSize, poolSize, LONG_DELAY_MS, MILLISECONDS, |
712 |
new ArrayBlockingQueue<Runnable>(10)); |
713 |
CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
714 |
CheckedRunnable waiter = new CheckedRunnable() { public void realRun() { |
715 |
threadsStarted.countDown(); |
716 |
try { |
717 |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
718 |
} catch (InterruptedException success) {} |
719 |
ran.getAndIncrement(); |
720 |
}}; |
721 |
for (int i = 0; i < count; i++) |
722 |
p.execute(waiter); |
723 |
assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
724 |
assertEquals(poolSize, p.getActiveCount()); |
725 |
assertEquals(0, p.getCompletedTaskCount()); |
726 |
final List<Runnable> queuedTasks; |
727 |
try { |
728 |
queuedTasks = p.shutdownNow(); |
729 |
} catch (SecurityException ok) { |
730 |
return; // Allowed in case test doesn't have privs |
731 |
} |
732 |
assertTrue(p.isShutdown()); |
733 |
assertTrue(p.getQueue().isEmpty()); |
734 |
assertEquals(count - poolSize, queuedTasks.size()); |
735 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
736 |
assertTrue(p.isTerminated()); |
737 |
assertEquals(poolSize, ran.get()); |
738 |
assertEquals(poolSize, p.getCompletedTaskCount()); |
739 |
} |
740 |
|
741 |
// Exception Tests |
742 |
|
743 |
/** |
744 |
* Constructor throws if corePoolSize argument is less than zero |
745 |
*/ |
746 |
public void testConstructor1() { |
747 |
try { |
748 |
new CustomTPE(-1, 1, 1L, SECONDS, |
749 |
new ArrayBlockingQueue<Runnable>(10)); |
750 |
shouldThrow(); |
751 |
} catch (IllegalArgumentException success) {} |
752 |
} |
753 |
|
754 |
/** |
755 |
* Constructor throws if maximumPoolSize is less than zero |
756 |
*/ |
757 |
public void testConstructor2() { |
758 |
try { |
759 |
new CustomTPE(1, -1, 1L, SECONDS, |
760 |
new ArrayBlockingQueue<Runnable>(10)); |
761 |
shouldThrow(); |
762 |
} catch (IllegalArgumentException success) {} |
763 |
} |
764 |
|
765 |
/** |
766 |
* Constructor throws if maximumPoolSize is equal to zero |
767 |
*/ |
768 |
public void testConstructor3() { |
769 |
try { |
770 |
new CustomTPE(1, 0, 1L, SECONDS, |
771 |
new ArrayBlockingQueue<Runnable>(10)); |
772 |
shouldThrow(); |
773 |
} catch (IllegalArgumentException success) {} |
774 |
} |
775 |
|
776 |
/** |
777 |
* Constructor throws if keepAliveTime is less than zero |
778 |
*/ |
779 |
public void testConstructor4() { |
780 |
try { |
781 |
new CustomTPE(1, 2, -1L, SECONDS, |
782 |
new ArrayBlockingQueue<Runnable>(10)); |
783 |
shouldThrow(); |
784 |
} catch (IllegalArgumentException success) {} |
785 |
} |
786 |
|
787 |
/** |
788 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
789 |
*/ |
790 |
public void testConstructor5() { |
791 |
try { |
792 |
new CustomTPE(2, 1, 1L, SECONDS, |
793 |
new ArrayBlockingQueue<Runnable>(10)); |
794 |
shouldThrow(); |
795 |
} catch (IllegalArgumentException success) {} |
796 |
} |
797 |
|
798 |
/** |
799 |
* Constructor throws if workQueue is set to null |
800 |
*/ |
801 |
public void testConstructorNullPointerException() { |
802 |
try { |
803 |
new CustomTPE(1, 2, 1L, SECONDS, null); |
804 |
shouldThrow(); |
805 |
} catch (NullPointerException success) {} |
806 |
} |
807 |
|
808 |
/** |
809 |
* Constructor throws if corePoolSize argument is less than zero |
810 |
*/ |
811 |
public void testConstructor6() { |
812 |
try { |
813 |
new CustomTPE(-1, 1, 1L, SECONDS, |
814 |
new ArrayBlockingQueue<Runnable>(10), |
815 |
new SimpleThreadFactory()); |
816 |
shouldThrow(); |
817 |
} catch (IllegalArgumentException success) {} |
818 |
} |
819 |
|
820 |
/** |
821 |
* Constructor throws if maximumPoolSize is less than zero |
822 |
*/ |
823 |
public void testConstructor7() { |
824 |
try { |
825 |
new CustomTPE(1,-1, 1L, SECONDS, |
826 |
new ArrayBlockingQueue<Runnable>(10), |
827 |
new SimpleThreadFactory()); |
828 |
shouldThrow(); |
829 |
} catch (IllegalArgumentException success) {} |
830 |
} |
831 |
|
832 |
/** |
833 |
* Constructor throws if maximumPoolSize is equal to zero |
834 |
*/ |
835 |
public void testConstructor8() { |
836 |
try { |
837 |
new CustomTPE(1, 0, 1L, SECONDS, |
838 |
new ArrayBlockingQueue<Runnable>(10), |
839 |
new SimpleThreadFactory()); |
840 |
shouldThrow(); |
841 |
} catch (IllegalArgumentException success) {} |
842 |
} |
843 |
|
844 |
/** |
845 |
* Constructor throws if keepAliveTime is less than zero |
846 |
*/ |
847 |
public void testConstructor9() { |
848 |
try { |
849 |
new CustomTPE(1, 2, -1L, SECONDS, |
850 |
new ArrayBlockingQueue<Runnable>(10), |
851 |
new SimpleThreadFactory()); |
852 |
shouldThrow(); |
853 |
} catch (IllegalArgumentException success) {} |
854 |
} |
855 |
|
856 |
/** |
857 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
858 |
*/ |
859 |
public void testConstructor10() { |
860 |
try { |
861 |
new CustomTPE(2, 1, 1L, SECONDS, |
862 |
new ArrayBlockingQueue<Runnable>(10), |
863 |
new SimpleThreadFactory()); |
864 |
shouldThrow(); |
865 |
} catch (IllegalArgumentException success) {} |
866 |
} |
867 |
|
868 |
/** |
869 |
* Constructor throws if workQueue is set to null |
870 |
*/ |
871 |
public void testConstructorNullPointerException2() { |
872 |
try { |
873 |
new CustomTPE(1, 2, 1L, SECONDS, null, new SimpleThreadFactory()); |
874 |
shouldThrow(); |
875 |
} catch (NullPointerException success) {} |
876 |
} |
877 |
|
878 |
/** |
879 |
* Constructor throws if threadFactory is set to null |
880 |
*/ |
881 |
public void testConstructorNullPointerException3() { |
882 |
try { |
883 |
new CustomTPE(1, 2, 1L, SECONDS, |
884 |
new ArrayBlockingQueue<Runnable>(10), |
885 |
(ThreadFactory) null); |
886 |
shouldThrow(); |
887 |
} catch (NullPointerException success) {} |
888 |
} |
889 |
|
890 |
/** |
891 |
* Constructor throws if corePoolSize argument is less than zero |
892 |
*/ |
893 |
public void testConstructor11() { |
894 |
try { |
895 |
new CustomTPE(-1, 1, 1L, SECONDS, |
896 |
new ArrayBlockingQueue<Runnable>(10), |
897 |
new NoOpREHandler()); |
898 |
shouldThrow(); |
899 |
} catch (IllegalArgumentException success) {} |
900 |
} |
901 |
|
902 |
/** |
903 |
* Constructor throws if maximumPoolSize is less than zero |
904 |
*/ |
905 |
public void testConstructor12() { |
906 |
try { |
907 |
new CustomTPE(1, -1, 1L, SECONDS, |
908 |
new ArrayBlockingQueue<Runnable>(10), |
909 |
new NoOpREHandler()); |
910 |
shouldThrow(); |
911 |
} catch (IllegalArgumentException success) {} |
912 |
} |
913 |
|
914 |
/** |
915 |
* Constructor throws if maximumPoolSize is equal to zero |
916 |
*/ |
917 |
public void testConstructor13() { |
918 |
try { |
919 |
new CustomTPE(1, 0, 1L, SECONDS, |
920 |
new ArrayBlockingQueue<Runnable>(10), |
921 |
new NoOpREHandler()); |
922 |
shouldThrow(); |
923 |
} catch (IllegalArgumentException success) {} |
924 |
} |
925 |
|
926 |
/** |
927 |
* Constructor throws if keepAliveTime is less than zero |
928 |
*/ |
929 |
public void testConstructor14() { |
930 |
try { |
931 |
new CustomTPE(1, 2, -1L, SECONDS, |
932 |
new ArrayBlockingQueue<Runnable>(10), |
933 |
new NoOpREHandler()); |
934 |
shouldThrow(); |
935 |
} catch (IllegalArgumentException success) {} |
936 |
} |
937 |
|
938 |
/** |
939 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
940 |
*/ |
941 |
public void testConstructor15() { |
942 |
try { |
943 |
new CustomTPE(2, 1, 1L, SECONDS, |
944 |
new ArrayBlockingQueue<Runnable>(10), |
945 |
new NoOpREHandler()); |
946 |
shouldThrow(); |
947 |
} catch (IllegalArgumentException success) {} |
948 |
} |
949 |
|
950 |
/** |
951 |
* Constructor throws if workQueue is set to null |
952 |
*/ |
953 |
public void testConstructorNullPointerException4() { |
954 |
try { |
955 |
new CustomTPE(1, 2, 1L, SECONDS, |
956 |
null, |
957 |
new NoOpREHandler()); |
958 |
shouldThrow(); |
959 |
} catch (NullPointerException success) {} |
960 |
} |
961 |
|
962 |
/** |
963 |
* Constructor throws if handler is set to null |
964 |
*/ |
965 |
public void testConstructorNullPointerException5() { |
966 |
try { |
967 |
new CustomTPE(1, 2, 1L, SECONDS, |
968 |
new ArrayBlockingQueue<Runnable>(10), |
969 |
(RejectedExecutionHandler) null); |
970 |
shouldThrow(); |
971 |
} catch (NullPointerException success) {} |
972 |
} |
973 |
|
974 |
/** |
975 |
* Constructor throws if corePoolSize argument is less than zero |
976 |
*/ |
977 |
public void testConstructor16() { |
978 |
try { |
979 |
new CustomTPE(-1, 1, 1L, SECONDS, |
980 |
new ArrayBlockingQueue<Runnable>(10), |
981 |
new SimpleThreadFactory(), |
982 |
new NoOpREHandler()); |
983 |
shouldThrow(); |
984 |
} catch (IllegalArgumentException success) {} |
985 |
} |
986 |
|
987 |
/** |
988 |
* Constructor throws if maximumPoolSize is less than zero |
989 |
*/ |
990 |
public void testConstructor17() { |
991 |
try { |
992 |
new CustomTPE(1, -1, 1L, SECONDS, |
993 |
new ArrayBlockingQueue<Runnable>(10), |
994 |
new SimpleThreadFactory(), |
995 |
new NoOpREHandler()); |
996 |
shouldThrow(); |
997 |
} catch (IllegalArgumentException success) {} |
998 |
} |
999 |
|
1000 |
/** |
1001 |
* Constructor throws if maximumPoolSize is equal to zero |
1002 |
*/ |
1003 |
public void testConstructor18() { |
1004 |
try { |
1005 |
new CustomTPE(1, 0, 1L, SECONDS, |
1006 |
new ArrayBlockingQueue<Runnable>(10), |
1007 |
new SimpleThreadFactory(), |
1008 |
new NoOpREHandler()); |
1009 |
shouldThrow(); |
1010 |
} catch (IllegalArgumentException success) {} |
1011 |
} |
1012 |
|
1013 |
/** |
1014 |
* Constructor throws if keepAliveTime is less than zero |
1015 |
*/ |
1016 |
public void testConstructor19() { |
1017 |
try { |
1018 |
new CustomTPE(1, 2, -1L, SECONDS, |
1019 |
new ArrayBlockingQueue<Runnable>(10), |
1020 |
new SimpleThreadFactory(), |
1021 |
new NoOpREHandler()); |
1022 |
shouldThrow(); |
1023 |
} catch (IllegalArgumentException success) {} |
1024 |
} |
1025 |
|
1026 |
/** |
1027 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
1028 |
*/ |
1029 |
public void testConstructor20() { |
1030 |
try { |
1031 |
new CustomTPE(2, 1, 1L, SECONDS, |
1032 |
new ArrayBlockingQueue<Runnable>(10), |
1033 |
new SimpleThreadFactory(), |
1034 |
new NoOpREHandler()); |
1035 |
shouldThrow(); |
1036 |
} catch (IllegalArgumentException success) {} |
1037 |
} |
1038 |
|
1039 |
/** |
1040 |
* Constructor throws if workQueue is null |
1041 |
*/ |
1042 |
public void testConstructorNullPointerException6() { |
1043 |
try { |
1044 |
new CustomTPE(1, 2, 1L, SECONDS, |
1045 |
null, |
1046 |
new SimpleThreadFactory(), |
1047 |
new NoOpREHandler()); |
1048 |
shouldThrow(); |
1049 |
} catch (NullPointerException success) {} |
1050 |
} |
1051 |
|
1052 |
/** |
1053 |
* Constructor throws if handler is null |
1054 |
*/ |
1055 |
public void testConstructorNullPointerException7() { |
1056 |
try { |
1057 |
new CustomTPE(1, 2, 1L, SECONDS, |
1058 |
new ArrayBlockingQueue<Runnable>(10), |
1059 |
new SimpleThreadFactory(), |
1060 |
(RejectedExecutionHandler) null); |
1061 |
shouldThrow(); |
1062 |
} catch (NullPointerException success) {} |
1063 |
} |
1064 |
|
1065 |
/** |
1066 |
* Constructor throws if ThreadFactory is null |
1067 |
*/ |
1068 |
public void testConstructorNullPointerException8() { |
1069 |
try { |
1070 |
new CustomTPE(1, 2, 1L, SECONDS, |
1071 |
new ArrayBlockingQueue<Runnable>(10), |
1072 |
(ThreadFactory) null, |
1073 |
new NoOpREHandler()); |
1074 |
shouldThrow(); |
1075 |
} catch (NullPointerException success) {} |
1076 |
} |
1077 |
|
1078 |
/** |
1079 |
* execute throws RejectedExecutionException if saturated. |
1080 |
*/ |
1081 |
public void testSaturatedExecute() { |
1082 |
ThreadPoolExecutor p = |
1083 |
new CustomTPE(1, 1, |
1084 |
LONG_DELAY_MS, MILLISECONDS, |
1085 |
new ArrayBlockingQueue<Runnable>(1)); |
1086 |
final CountDownLatch done = new CountDownLatch(1); |
1087 |
try { |
1088 |
Runnable task = new CheckedRunnable() { |
1089 |
public void realRun() throws InterruptedException { |
1090 |
done.await(); |
1091 |
}}; |
1092 |
for (int i = 0; i < 2; ++i) |
1093 |
p.execute(task); |
1094 |
for (int i = 0; i < 2; ++i) { |
1095 |
try { |
1096 |
p.execute(task); |
1097 |
shouldThrow(); |
1098 |
} catch (RejectedExecutionException success) {} |
1099 |
assertTrue(p.getTaskCount() <= 2); |
1100 |
} |
1101 |
} finally { |
1102 |
done.countDown(); |
1103 |
joinPool(p); |
1104 |
} |
1105 |
} |
1106 |
|
1107 |
/** |
1108 |
* executor using CallerRunsPolicy runs task if saturated. |
1109 |
*/ |
1110 |
public void testSaturatedExecute2() { |
1111 |
RejectedExecutionHandler h = new CustomTPE.CallerRunsPolicy(); |
1112 |
ThreadPoolExecutor p = new CustomTPE(1, 1, |
1113 |
LONG_DELAY_MS, MILLISECONDS, |
1114 |
new ArrayBlockingQueue<Runnable>(1), |
1115 |
h); |
1116 |
try { |
1117 |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1118 |
for (int i = 0; i < tasks.length; ++i) |
1119 |
tasks[i] = new TrackedNoOpRunnable(); |
1120 |
TrackedLongRunnable mr = new TrackedLongRunnable(); |
1121 |
p.execute(mr); |
1122 |
for (int i = 0; i < tasks.length; ++i) |
1123 |
p.execute(tasks[i]); |
1124 |
for (int i = 1; i < tasks.length; ++i) |
1125 |
assertTrue(tasks[i].done); |
1126 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1127 |
} finally { |
1128 |
joinPool(p); |
1129 |
} |
1130 |
} |
1131 |
|
1132 |
/** |
1133 |
* executor using DiscardPolicy drops task if saturated. |
1134 |
*/ |
1135 |
public void testSaturatedExecute3() { |
1136 |
RejectedExecutionHandler h = new CustomTPE.DiscardPolicy(); |
1137 |
ThreadPoolExecutor p = |
1138 |
new CustomTPE(1, 1, |
1139 |
LONG_DELAY_MS, MILLISECONDS, |
1140 |
new ArrayBlockingQueue<Runnable>(1), |
1141 |
h); |
1142 |
try { |
1143 |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1144 |
for (int i = 0; i < tasks.length; ++i) |
1145 |
tasks[i] = new TrackedNoOpRunnable(); |
1146 |
p.execute(new TrackedLongRunnable()); |
1147 |
for (TrackedNoOpRunnable task : tasks) |
1148 |
p.execute(task); |
1149 |
for (TrackedNoOpRunnable task : tasks) |
1150 |
assertFalse(task.done); |
1151 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1152 |
} finally { |
1153 |
joinPool(p); |
1154 |
} |
1155 |
} |
1156 |
|
1157 |
/** |
1158 |
* executor using DiscardOldestPolicy drops oldest task if saturated. |
1159 |
*/ |
1160 |
public void testSaturatedExecute4() { |
1161 |
RejectedExecutionHandler h = new CustomTPE.DiscardOldestPolicy(); |
1162 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
1163 |
try { |
1164 |
p.execute(new TrackedLongRunnable()); |
1165 |
TrackedLongRunnable r2 = new TrackedLongRunnable(); |
1166 |
p.execute(r2); |
1167 |
assertTrue(p.getQueue().contains(r2)); |
1168 |
TrackedNoOpRunnable r3 = new TrackedNoOpRunnable(); |
1169 |
p.execute(r3); |
1170 |
assertFalse(p.getQueue().contains(r2)); |
1171 |
assertTrue(p.getQueue().contains(r3)); |
1172 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1173 |
} finally { |
1174 |
joinPool(p); |
1175 |
} |
1176 |
} |
1177 |
|
1178 |
/** |
1179 |
* execute throws RejectedExecutionException if shutdown |
1180 |
*/ |
1181 |
public void testRejectedExecutionExceptionOnShutdown() { |
1182 |
ThreadPoolExecutor p = |
1183 |
new CustomTPE(1,1,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(1)); |
1184 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1185 |
try { |
1186 |
p.execute(new NoOpRunnable()); |
1187 |
shouldThrow(); |
1188 |
} catch (RejectedExecutionException success) {} |
1189 |
|
1190 |
joinPool(p); |
1191 |
} |
1192 |
|
1193 |
/** |
1194 |
* execute using CallerRunsPolicy drops task on shutdown |
1195 |
*/ |
1196 |
public void testCallerRunsOnShutdown() { |
1197 |
RejectedExecutionHandler h = new CustomTPE.CallerRunsPolicy(); |
1198 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
1199 |
|
1200 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1201 |
try { |
1202 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1203 |
p.execute(r); |
1204 |
assertFalse(r.done); |
1205 |
} finally { |
1206 |
joinPool(p); |
1207 |
} |
1208 |
} |
1209 |
|
1210 |
/** |
1211 |
* execute using DiscardPolicy drops task on shutdown |
1212 |
*/ |
1213 |
public void testDiscardOnShutdown() { |
1214 |
RejectedExecutionHandler h = new CustomTPE.DiscardPolicy(); |
1215 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
1216 |
|
1217 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1218 |
try { |
1219 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1220 |
p.execute(r); |
1221 |
assertFalse(r.done); |
1222 |
} finally { |
1223 |
joinPool(p); |
1224 |
} |
1225 |
} |
1226 |
|
1227 |
/** |
1228 |
* execute using DiscardOldestPolicy drops task on shutdown |
1229 |
*/ |
1230 |
public void testDiscardOldestOnShutdown() { |
1231 |
RejectedExecutionHandler h = new CustomTPE.DiscardOldestPolicy(); |
1232 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
1233 |
|
1234 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1235 |
try { |
1236 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1237 |
p.execute(r); |
1238 |
assertFalse(r.done); |
1239 |
} finally { |
1240 |
joinPool(p); |
1241 |
} |
1242 |
} |
1243 |
|
1244 |
/** |
1245 |
* execute(null) throws NPE |
1246 |
*/ |
1247 |
public void testExecuteNull() { |
1248 |
ThreadPoolExecutor p = |
1249 |
new CustomTPE(1, 2, 1L, SECONDS, |
1250 |
new ArrayBlockingQueue<Runnable>(10)); |
1251 |
try { |
1252 |
p.execute(null); |
1253 |
shouldThrow(); |
1254 |
} catch (NullPointerException success) {} |
1255 |
|
1256 |
joinPool(p); |
1257 |
} |
1258 |
|
1259 |
/** |
1260 |
* setCorePoolSize of negative value throws IllegalArgumentException |
1261 |
*/ |
1262 |
public void testCorePoolSizeIllegalArgumentException() { |
1263 |
ThreadPoolExecutor p = |
1264 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1265 |
try { |
1266 |
p.setCorePoolSize(-1); |
1267 |
shouldThrow(); |
1268 |
} catch (IllegalArgumentException success) { |
1269 |
} finally { |
1270 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1271 |
} |
1272 |
joinPool(p); |
1273 |
} |
1274 |
|
1275 |
/** |
1276 |
* setMaximumPoolSize(int) throws IllegalArgumentException |
1277 |
* if given a value less the core pool size |
1278 |
*/ |
1279 |
public void testMaximumPoolSizeIllegalArgumentException() { |
1280 |
ThreadPoolExecutor p = |
1281 |
new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,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 CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1299 |
try { |
1300 |
p.setMaximumPoolSize(-1); |
1301 |
shouldThrow(); |
1302 |
} catch (IllegalArgumentException success) { |
1303 |
} finally { |
1304 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1305 |
} |
1306 |
joinPool(p); |
1307 |
} |
1308 |
|
1309 |
/** |
1310 |
* setKeepAliveTime throws IllegalArgumentException |
1311 |
* when given a negative value |
1312 |
*/ |
1313 |
public void testKeepAliveTimeIllegalArgumentException() { |
1314 |
ThreadPoolExecutor p = |
1315 |
new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1316 |
|
1317 |
try { |
1318 |
p.setKeepAliveTime(-1,MILLISECONDS); |
1319 |
shouldThrow(); |
1320 |
} catch (IllegalArgumentException success) { |
1321 |
} finally { |
1322 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1323 |
} |
1324 |
joinPool(p); |
1325 |
} |
1326 |
|
1327 |
/** |
1328 |
* terminated() is called on termination |
1329 |
*/ |
1330 |
public void testTerminated() { |
1331 |
CustomTPE p = new CustomTPE(); |
1332 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1333 |
assertTrue(p.terminatedCalled()); |
1334 |
joinPool(p); |
1335 |
} |
1336 |
|
1337 |
/** |
1338 |
* beforeExecute and afterExecute are called when executing task |
1339 |
*/ |
1340 |
public void testBeforeAfter() throws InterruptedException { |
1341 |
CustomTPE p = new CustomTPE(); |
1342 |
try { |
1343 |
final CountDownLatch done = new CountDownLatch(1); |
1344 |
p.execute(new CheckedRunnable() { |
1345 |
public void realRun() { |
1346 |
done.countDown(); |
1347 |
}}); |
1348 |
await(p.afterCalled); |
1349 |
assertEquals(0, done.getCount()); |
1350 |
assertTrue(p.afterCalled()); |
1351 |
assertTrue(p.beforeCalled()); |
1352 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1353 |
} finally { |
1354 |
joinPool(p); |
1355 |
} |
1356 |
} |
1357 |
|
1358 |
/** |
1359 |
* completed submit of callable returns result |
1360 |
*/ |
1361 |
public void testSubmitCallable() throws Exception { |
1362 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1363 |
try { |
1364 |
Future<String> future = e.submit(new StringTask()); |
1365 |
String result = future.get(); |
1366 |
assertSame(TEST_STRING, result); |
1367 |
} finally { |
1368 |
joinPool(e); |
1369 |
} |
1370 |
} |
1371 |
|
1372 |
/** |
1373 |
* completed submit of runnable returns successfully |
1374 |
*/ |
1375 |
public void testSubmitRunnable() throws Exception { |
1376 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1377 |
try { |
1378 |
Future<?> future = e.submit(new NoOpRunnable()); |
1379 |
future.get(); |
1380 |
assertTrue(future.isDone()); |
1381 |
} finally { |
1382 |
joinPool(e); |
1383 |
} |
1384 |
} |
1385 |
|
1386 |
/** |
1387 |
* completed submit of (runnable, result) returns result |
1388 |
*/ |
1389 |
public void testSubmitRunnable2() throws Exception { |
1390 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1391 |
try { |
1392 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
1393 |
String result = future.get(); |
1394 |
assertSame(TEST_STRING, result); |
1395 |
} finally { |
1396 |
joinPool(e); |
1397 |
} |
1398 |
} |
1399 |
|
1400 |
/** |
1401 |
* invokeAny(null) throws NPE |
1402 |
*/ |
1403 |
public void testInvokeAny1() throws Exception { |
1404 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1405 |
try { |
1406 |
e.invokeAny(null); |
1407 |
shouldThrow(); |
1408 |
} catch (NullPointerException success) { |
1409 |
} finally { |
1410 |
joinPool(e); |
1411 |
} |
1412 |
} |
1413 |
|
1414 |
/** |
1415 |
* invokeAny(empty collection) throws IAE |
1416 |
*/ |
1417 |
public void testInvokeAny2() throws Exception { |
1418 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1419 |
try { |
1420 |
e.invokeAny(new ArrayList<Callable<String>>()); |
1421 |
shouldThrow(); |
1422 |
} catch (IllegalArgumentException success) { |
1423 |
} finally { |
1424 |
joinPool(e); |
1425 |
} |
1426 |
} |
1427 |
|
1428 |
/** |
1429 |
* invokeAny(c) throws NPE if c has null elements |
1430 |
*/ |
1431 |
public void testInvokeAny3() throws Exception { |
1432 |
CountDownLatch latch = new CountDownLatch(1); |
1433 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1434 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1435 |
l.add(latchAwaitingStringTask(latch)); |
1436 |
l.add(null); |
1437 |
try { |
1438 |
e.invokeAny(l); |
1439 |
shouldThrow(); |
1440 |
} catch (NullPointerException success) { |
1441 |
} finally { |
1442 |
latch.countDown(); |
1443 |
joinPool(e); |
1444 |
} |
1445 |
} |
1446 |
|
1447 |
/** |
1448 |
* invokeAny(c) throws ExecutionException if no task completes |
1449 |
*/ |
1450 |
public void testInvokeAny4() throws Exception { |
1451 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1452 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1453 |
l.add(new NPETask()); |
1454 |
try { |
1455 |
e.invokeAny(l); |
1456 |
shouldThrow(); |
1457 |
} catch (ExecutionException success) { |
1458 |
assertTrue(success.getCause() instanceof NullPointerException); |
1459 |
} finally { |
1460 |
joinPool(e); |
1461 |
} |
1462 |
} |
1463 |
|
1464 |
/** |
1465 |
* invokeAny(c) returns result of some task |
1466 |
*/ |
1467 |
public void testInvokeAny5() throws Exception { |
1468 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1469 |
try { |
1470 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1471 |
l.add(new StringTask()); |
1472 |
l.add(new StringTask()); |
1473 |
String result = e.invokeAny(l); |
1474 |
assertSame(TEST_STRING, result); |
1475 |
} finally { |
1476 |
joinPool(e); |
1477 |
} |
1478 |
} |
1479 |
|
1480 |
/** |
1481 |
* invokeAll(null) throws NPE |
1482 |
*/ |
1483 |
public void testInvokeAll1() throws Exception { |
1484 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1485 |
try { |
1486 |
e.invokeAll(null); |
1487 |
shouldThrow(); |
1488 |
} catch (NullPointerException success) { |
1489 |
} finally { |
1490 |
joinPool(e); |
1491 |
} |
1492 |
} |
1493 |
|
1494 |
/** |
1495 |
* invokeAll(empty collection) returns empty collection |
1496 |
*/ |
1497 |
public void testInvokeAll2() throws Exception { |
1498 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1499 |
try { |
1500 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
1501 |
assertTrue(r.isEmpty()); |
1502 |
} finally { |
1503 |
joinPool(e); |
1504 |
} |
1505 |
} |
1506 |
|
1507 |
/** |
1508 |
* invokeAll(c) throws NPE if c has null elements |
1509 |
*/ |
1510 |
public void testInvokeAll3() throws Exception { |
1511 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1512 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1513 |
l.add(new StringTask()); |
1514 |
l.add(null); |
1515 |
try { |
1516 |
e.invokeAll(l); |
1517 |
shouldThrow(); |
1518 |
} catch (NullPointerException success) { |
1519 |
} finally { |
1520 |
joinPool(e); |
1521 |
} |
1522 |
} |
1523 |
|
1524 |
/** |
1525 |
* get of element of invokeAll(c) throws exception on failed task |
1526 |
*/ |
1527 |
public void testInvokeAll4() throws Exception { |
1528 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1529 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1530 |
l.add(new NPETask()); |
1531 |
List<Future<String>> futures = e.invokeAll(l); |
1532 |
assertEquals(1, futures.size()); |
1533 |
try { |
1534 |
futures.get(0).get(); |
1535 |
shouldThrow(); |
1536 |
} catch (ExecutionException success) { |
1537 |
assertTrue(success.getCause() instanceof NullPointerException); |
1538 |
} finally { |
1539 |
joinPool(e); |
1540 |
} |
1541 |
} |
1542 |
|
1543 |
/** |
1544 |
* invokeAll(c) returns results of all completed tasks |
1545 |
*/ |
1546 |
public void testInvokeAll5() throws Exception { |
1547 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1548 |
try { |
1549 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1550 |
l.add(new StringTask()); |
1551 |
l.add(new StringTask()); |
1552 |
List<Future<String>> futures = e.invokeAll(l); |
1553 |
assertEquals(2, futures.size()); |
1554 |
for (Future<String> future : futures) |
1555 |
assertSame(TEST_STRING, future.get()); |
1556 |
} finally { |
1557 |
joinPool(e); |
1558 |
} |
1559 |
} |
1560 |
|
1561 |
/** |
1562 |
* timed invokeAny(null) throws NPE |
1563 |
*/ |
1564 |
public void testTimedInvokeAny1() throws Exception { |
1565 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1566 |
try { |
1567 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1568 |
shouldThrow(); |
1569 |
} catch (NullPointerException success) { |
1570 |
} finally { |
1571 |
joinPool(e); |
1572 |
} |
1573 |
} |
1574 |
|
1575 |
/** |
1576 |
* timed invokeAny(,,null) throws NPE |
1577 |
*/ |
1578 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1579 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1580 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1581 |
l.add(new StringTask()); |
1582 |
try { |
1583 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1584 |
shouldThrow(); |
1585 |
} catch (NullPointerException success) { |
1586 |
} finally { |
1587 |
joinPool(e); |
1588 |
} |
1589 |
} |
1590 |
|
1591 |
/** |
1592 |
* timed invokeAny(empty collection) throws IAE |
1593 |
*/ |
1594 |
public void testTimedInvokeAny2() throws Exception { |
1595 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1596 |
try { |
1597 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1598 |
shouldThrow(); |
1599 |
} catch (IllegalArgumentException success) { |
1600 |
} finally { |
1601 |
joinPool(e); |
1602 |
} |
1603 |
} |
1604 |
|
1605 |
/** |
1606 |
* timed invokeAny(c) throws NPE if c has null elements |
1607 |
*/ |
1608 |
public void testTimedInvokeAny3() throws Exception { |
1609 |
CountDownLatch latch = new CountDownLatch(1); |
1610 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1611 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1612 |
l.add(latchAwaitingStringTask(latch)); |
1613 |
l.add(null); |
1614 |
try { |
1615 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1616 |
shouldThrow(); |
1617 |
} catch (NullPointerException success) { |
1618 |
} finally { |
1619 |
latch.countDown(); |
1620 |
joinPool(e); |
1621 |
} |
1622 |
} |
1623 |
|
1624 |
/** |
1625 |
* timed invokeAny(c) throws ExecutionException if no task completes |
1626 |
*/ |
1627 |
public void testTimedInvokeAny4() throws Exception { |
1628 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1629 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1630 |
l.add(new NPETask()); |
1631 |
try { |
1632 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1633 |
shouldThrow(); |
1634 |
} catch (ExecutionException success) { |
1635 |
assertTrue(success.getCause() instanceof NullPointerException); |
1636 |
} finally { |
1637 |
joinPool(e); |
1638 |
} |
1639 |
} |
1640 |
|
1641 |
/** |
1642 |
* timed invokeAny(c) returns result of some task |
1643 |
*/ |
1644 |
public void testTimedInvokeAny5() throws Exception { |
1645 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1646 |
try { |
1647 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1648 |
l.add(new StringTask()); |
1649 |
l.add(new StringTask()); |
1650 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1651 |
assertSame(TEST_STRING, result); |
1652 |
} finally { |
1653 |
joinPool(e); |
1654 |
} |
1655 |
} |
1656 |
|
1657 |
/** |
1658 |
* timed invokeAll(null) throws NPE |
1659 |
*/ |
1660 |
public void testTimedInvokeAll1() throws Exception { |
1661 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1662 |
try { |
1663 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1664 |
shouldThrow(); |
1665 |
} catch (NullPointerException success) { |
1666 |
} finally { |
1667 |
joinPool(e); |
1668 |
} |
1669 |
} |
1670 |
|
1671 |
/** |
1672 |
* timed invokeAll(,,null) throws NPE |
1673 |
*/ |
1674 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1675 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1676 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1677 |
l.add(new StringTask()); |
1678 |
try { |
1679 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1680 |
shouldThrow(); |
1681 |
} catch (NullPointerException success) { |
1682 |
} finally { |
1683 |
joinPool(e); |
1684 |
} |
1685 |
} |
1686 |
|
1687 |
/** |
1688 |
* timed invokeAll(empty collection) returns empty collection |
1689 |
*/ |
1690 |
public void testTimedInvokeAll2() throws Exception { |
1691 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1692 |
try { |
1693 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1694 |
assertTrue(r.isEmpty()); |
1695 |
} finally { |
1696 |
joinPool(e); |
1697 |
} |
1698 |
} |
1699 |
|
1700 |
/** |
1701 |
* timed invokeAll(c) throws NPE if c has null elements |
1702 |
*/ |
1703 |
public void testTimedInvokeAll3() throws Exception { |
1704 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1705 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1706 |
l.add(new StringTask()); |
1707 |
l.add(null); |
1708 |
try { |
1709 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1710 |
shouldThrow(); |
1711 |
} catch (NullPointerException success) { |
1712 |
} finally { |
1713 |
joinPool(e); |
1714 |
} |
1715 |
} |
1716 |
|
1717 |
/** |
1718 |
* get of element of invokeAll(c) throws exception on failed task |
1719 |
*/ |
1720 |
public void testTimedInvokeAll4() throws Exception { |
1721 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1722 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1723 |
l.add(new NPETask()); |
1724 |
List<Future<String>> futures = |
1725 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1726 |
assertEquals(1, futures.size()); |
1727 |
try { |
1728 |
futures.get(0).get(); |
1729 |
shouldThrow(); |
1730 |
} catch (ExecutionException success) { |
1731 |
assertTrue(success.getCause() instanceof NullPointerException); |
1732 |
} finally { |
1733 |
joinPool(e); |
1734 |
} |
1735 |
} |
1736 |
|
1737 |
/** |
1738 |
* timed invokeAll(c) returns results of all completed tasks |
1739 |
*/ |
1740 |
public void testTimedInvokeAll5() throws Exception { |
1741 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1742 |
try { |
1743 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1744 |
l.add(new StringTask()); |
1745 |
l.add(new StringTask()); |
1746 |
List<Future<String>> futures = |
1747 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1748 |
assertEquals(2, futures.size()); |
1749 |
for (Future<String> future : futures) |
1750 |
assertSame(TEST_STRING, future.get()); |
1751 |
} finally { |
1752 |
joinPool(e); |
1753 |
} |
1754 |
} |
1755 |
|
1756 |
/** |
1757 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1758 |
*/ |
1759 |
public void testTimedInvokeAll6() throws Exception { |
1760 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1761 |
try { |
1762 |
for (long timeout = timeoutMillis();;) { |
1763 |
List<Callable<String>> tasks = new ArrayList<>(); |
1764 |
tasks.add(new StringTask("0")); |
1765 |
tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING)); |
1766 |
tasks.add(new StringTask("2")); |
1767 |
long startTime = System.nanoTime(); |
1768 |
List<Future<String>> futures = |
1769 |
e.invokeAll(tasks, timeout, MILLISECONDS); |
1770 |
assertEquals(tasks.size(), futures.size()); |
1771 |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1772 |
for (Future future : futures) |
1773 |
assertTrue(future.isDone()); |
1774 |
assertTrue(futures.get(1).isCancelled()); |
1775 |
try { |
1776 |
assertEquals("0", futures.get(0).get()); |
1777 |
assertEquals("2", futures.get(2).get()); |
1778 |
break; |
1779 |
} catch (CancellationException retryWithLongerTimeout) { |
1780 |
timeout *= 2; |
1781 |
if (timeout >= LONG_DELAY_MS / 2) |
1782 |
fail("expected exactly one task to be cancelled"); |
1783 |
} |
1784 |
} |
1785 |
} finally { |
1786 |
joinPool(e); |
1787 |
} |
1788 |
} |
1789 |
|
1790 |
/** |
1791 |
* Execution continues if there is at least one thread even if |
1792 |
* thread factory fails to create more |
1793 |
*/ |
1794 |
public void testFailingThreadFactory() throws InterruptedException { |
1795 |
final ExecutorService e = |
1796 |
new CustomTPE(100, 100, |
1797 |
LONG_DELAY_MS, MILLISECONDS, |
1798 |
new LinkedBlockingQueue<Runnable>(), |
1799 |
new FailingThreadFactory()); |
1800 |
try { |
1801 |
final int TASKS = 100; |
1802 |
final CountDownLatch done = new CountDownLatch(TASKS); |
1803 |
for (int k = 0; k < TASKS; ++k) |
1804 |
e.execute(new CheckedRunnable() { |
1805 |
public void realRun() { |
1806 |
done.countDown(); |
1807 |
}}); |
1808 |
assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS)); |
1809 |
} finally { |
1810 |
joinPool(e); |
1811 |
} |
1812 |
} |
1813 |
|
1814 |
/** |
1815 |
* allowsCoreThreadTimeOut is by default false. |
1816 |
*/ |
1817 |
public void testAllowsCoreThreadTimeOut() { |
1818 |
ThreadPoolExecutor p = new CustomTPE(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1819 |
assertFalse(p.allowsCoreThreadTimeOut()); |
1820 |
joinPool(p); |
1821 |
} |
1822 |
|
1823 |
/** |
1824 |
* allowCoreThreadTimeOut(true) causes idle threads to time out |
1825 |
*/ |
1826 |
public void testAllowCoreThreadTimeOut_true() throws Exception { |
1827 |
long keepAliveTime = timeoutMillis(); |
1828 |
final ThreadPoolExecutor p = |
1829 |
new CustomTPE(2, 10, |
1830 |
keepAliveTime, MILLISECONDS, |
1831 |
new ArrayBlockingQueue<Runnable>(10)); |
1832 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
1833 |
try { |
1834 |
p.allowCoreThreadTimeOut(true); |
1835 |
p.execute(new CheckedRunnable() { |
1836 |
public void realRun() { |
1837 |
threadStarted.countDown(); |
1838 |
assertEquals(1, p.getPoolSize()); |
1839 |
}}); |
1840 |
await(threadStarted); |
1841 |
delay(keepAliveTime); |
1842 |
long startTime = System.nanoTime(); |
1843 |
while (p.getPoolSize() > 0 |
1844 |
&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
1845 |
Thread.yield(); |
1846 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1847 |
assertEquals(0, p.getPoolSize()); |
1848 |
} finally { |
1849 |
joinPool(p); |
1850 |
} |
1851 |
} |
1852 |
|
1853 |
/** |
1854 |
* allowCoreThreadTimeOut(false) causes idle threads not to time out |
1855 |
*/ |
1856 |
public void testAllowCoreThreadTimeOut_false() throws Exception { |
1857 |
long keepAliveTime = timeoutMillis(); |
1858 |
final ThreadPoolExecutor p = |
1859 |
new CustomTPE(2, 10, |
1860 |
keepAliveTime, MILLISECONDS, |
1861 |
new ArrayBlockingQueue<Runnable>(10)); |
1862 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
1863 |
try { |
1864 |
p.allowCoreThreadTimeOut(false); |
1865 |
p.execute(new CheckedRunnable() { |
1866 |
public void realRun() throws InterruptedException { |
1867 |
threadStarted.countDown(); |
1868 |
assertTrue(p.getPoolSize() >= 1); |
1869 |
}}); |
1870 |
delay(2 * keepAliveTime); |
1871 |
assertTrue(p.getPoolSize() >= 1); |
1872 |
} finally { |
1873 |
joinPool(p); |
1874 |
} |
1875 |
} |
1876 |
|
1877 |
} |