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* Pat Fisher, Mike Judd. |
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*/ |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.util.concurrent.locks.*; |
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import junit.framework.*; |
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import java.util.*; |
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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; |
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import java.util.concurrent.BlockingQueue; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.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; |
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import java.util.concurrent.TimeoutException; |
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import java.util.concurrent.TimeUnit; |
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import java.util.concurrent.locks.Condition; |
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import java.util.concurrent.locks.ReentrantLock; |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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public class ThreadPoolExecutorSubclassTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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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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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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workQueue, threadFactory, handler); |
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} |
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volatile boolean beforeCalled = false; |
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volatile boolean afterCalled = false; |
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volatile boolean terminatedCalled = false; |
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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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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 = true; |
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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 = true; |
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afterCalled.countDown(); |
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} |
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protected void terminated() { |
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terminatedCalled = true; |
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terminatedCalled.countDown(); |
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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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static class FailingThreadFactory implements ThreadFactory { |
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threadProceed.await(); |
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threadDone.countDown(); |
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}}); |
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assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
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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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delay(SHORT_DELAY_MS); |
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assertEquals(1, p.getCompletedTaskCount()); |
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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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public void testTerminated() { |
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CustomTPE p = new CustomTPE(); |
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try { p.shutdown(); } catch (SecurityException ok) { return; } |
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assertTrue(p.terminatedCalled); |
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assertTrue(p.terminatedCalled()); |
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joinPool(p); |
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} |
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public void testBeforeAfter() throws InterruptedException { |
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CustomTPE p = new CustomTPE(); |
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try { |
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TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
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p.execute(r); |
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delay(SHORT_DELAY_MS); |
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assertTrue(r.done); |
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assertTrue(p.beforeCalled); |
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assertTrue(p.afterCalled); |
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final CountDownLatch done = new CountDownLatch(1); |
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p.execute(new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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}}); |
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await(p.afterCalled); |
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assertEquals(0, done.getCount()); |
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assertTrue(p.afterCalled()); |
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assertTrue(p.beforeCalled()); |
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try { p.shutdown(); } catch (SecurityException ok) { return; } |
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} finally { |
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joinPool(p); |
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l.add(new StringTask()); |
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List<Future<String>> futures = |
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e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
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assertEquals(3, futures.size()); |
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Iterator<Future<String>> it = futures.iterator(); |
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Future<String> f1 = it.next(); |
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Future<String> f2 = it.next(); |
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Future<String> f3 = it.next(); |
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assertTrue(f1.isDone()); |
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assertTrue(f2.isDone()); |
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assertTrue(f3.isDone()); |
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assertFalse(f1.isCancelled()); |
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assertTrue(f2.isCancelled()); |
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assertEquals(l.size(), futures.size()); |
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for (Future future : futures) |
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assertTrue(future.isDone()); |
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assertFalse(futures.get(0).isCancelled()); |
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assertTrue(futures.get(1).isCancelled()); |
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} finally { |
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joinPool(e); |
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} |