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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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*/ |
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|
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.util.concurrent.atomic.AtomicInteger; |
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|
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public class ScheduledExecutorSubclassTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(ScheduledExecutorSubclassTest.class); |
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} |
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|
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static class CustomTask<V> implements RunnableScheduledFuture<V> { |
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RunnableScheduledFuture<V> task; |
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volatile boolean ran; |
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CustomTask(RunnableScheduledFuture<V> t) { task = t; } |
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public boolean isPeriodic() { return task.isPeriodic(); } |
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public void run() { |
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ran = true; |
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task.run(); |
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} |
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public long getDelay(TimeUnit unit) { return task.getDelay(unit); } |
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public int compareTo(Delayed t) { |
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return task.compareTo(((CustomTask)t).task); |
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} |
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public boolean cancel(boolean mayInterruptIfRunning) { |
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return task.cancel(mayInterruptIfRunning); |
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} |
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public boolean isCancelled() { return task.isCancelled(); } |
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public boolean isDone() { return task.isDone(); } |
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public V get() throws InterruptedException, ExecutionException { |
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V v = task.get(); |
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assertTrue(ran); |
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return v; |
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} |
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public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { |
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V v = task.get(time, unit); |
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assertTrue(ran); |
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return v; |
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} |
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} |
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|
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public class CustomExecutor extends ScheduledThreadPoolExecutor { |
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|
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protected <V> RunnableScheduledFuture<V> decorateTask(Runnable r, RunnableScheduledFuture<V> task) { |
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return new CustomTask<V>(task); |
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} |
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|
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protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> c, RunnableScheduledFuture<V> task) { |
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return new CustomTask<V>(task); |
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} |
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CustomExecutor(int corePoolSize) { super(corePoolSize); } |
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CustomExecutor(int corePoolSize, RejectedExecutionHandler handler) { |
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super(corePoolSize, handler); |
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} |
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|
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CustomExecutor(int corePoolSize, ThreadFactory threadFactory) { |
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super(corePoolSize, threadFactory); |
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} |
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CustomExecutor(int corePoolSize, ThreadFactory threadFactory, |
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RejectedExecutionHandler handler) { |
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super(corePoolSize, threadFactory, handler); |
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} |
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|
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} |
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|
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/** |
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* execute successfully executes a runnable |
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*/ |
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public void testExecute() throws InterruptedException { |
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CustomExecutor p = new CustomExecutor(1); |
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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); |
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} |
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} |
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|
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/** |
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* delayed schedule of callable successfully executes after delay |
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*/ |
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public void testSchedule1() throws Exception { |
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CustomExecutor p = new CustomExecutor(1); |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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try { |
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Callable task = new CheckedCallable<Boolean>() { |
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public Boolean realCall() { |
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done.countDown(); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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return Boolean.TRUE; |
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}}; |
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Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
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assertSame(Boolean.TRUE, f.get()); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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assertTrue(done.await(0L, MILLISECONDS)); |
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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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* delayed schedule of runnable successfully executes after delay |
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*/ |
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public void testSchedule3() throws Exception { |
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CustomExecutor p = new CustomExecutor(1); |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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try { |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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}}; |
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Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
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await(done); |
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assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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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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* scheduleAtFixedRate executes runnable after given initial delay |
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*/ |
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public void testSchedule4() throws InterruptedException { |
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CustomExecutor p = new CustomExecutor(1); |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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try { |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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}}; |
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ScheduledFuture f = |
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p.scheduleAtFixedRate(task, timeoutMillis(), |
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LONG_DELAY_MS, MILLISECONDS); |
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await(done); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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f.cancel(true); |
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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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* scheduleWithFixedDelay executes runnable after given initial delay |
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*/ |
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public void testSchedule5() throws InterruptedException { |
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CustomExecutor p = new CustomExecutor(1); |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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try { |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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}}; |
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ScheduledFuture f = |
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p.scheduleWithFixedDelay(task, timeoutMillis(), |
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LONG_DELAY_MS, MILLISECONDS); |
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await(done); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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f.cancel(true); |
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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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static class RunnableCounter implements Runnable { |
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AtomicInteger count = new AtomicInteger(0); |
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public void run() { count.getAndIncrement(); } |
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} |
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|
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/** |
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* scheduleAtFixedRate executes series of tasks at given rate |
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*/ |
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public void testFixedRateSequence() throws InterruptedException { |
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CustomExecutor p = new CustomExecutor(1); |
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RunnableCounter counter = new RunnableCounter(); |
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ScheduledFuture h = |
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p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS); |
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delay(SMALL_DELAY_MS); |
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h.cancel(true); |
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int c = counter.count.get(); |
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// By time scaling conventions, we must have at least |
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// an execution per SHORT delay, but no more than one SHORT more |
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assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
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assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
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joinPool(p); |
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} |
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|
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/** |
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* scheduleWithFixedDelay executes series of tasks with given period |
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*/ |
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public void testFixedDelaySequence() throws InterruptedException { |
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CustomExecutor p = new CustomExecutor(1); |
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RunnableCounter counter = new RunnableCounter(); |
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ScheduledFuture h = |
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p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS); |
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delay(SMALL_DELAY_MS); |
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h.cancel(true); |
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int c = counter.count.get(); |
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assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
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assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
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joinPool(p); |
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} |
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|
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/** |
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* execute(null) throws NPE |
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*/ |
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public void testExecuteNull() throws InterruptedException { |
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CustomExecutor se = new CustomExecutor(1); |
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try { |
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se.execute(null); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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joinPool(se); |
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} |
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|
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/** |
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* schedule(null) throws NPE |
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*/ |
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public void testScheduleNull() throws InterruptedException { |
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CustomExecutor se = new CustomExecutor(1); |
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try { |
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TrackedCallable callable = null; |
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Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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joinPool(se); |
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} |
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|
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/** |
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* execute throws RejectedExecutionException if shutdown |
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*/ |
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public void testSchedule1_RejectedExecutionException() { |
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CustomExecutor se = new CustomExecutor(1); |
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try { |
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se.shutdown(); |
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se.schedule(new NoOpRunnable(), |
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MEDIUM_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
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} catch (RejectedExecutionException success) { |
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} catch (SecurityException ok) { |
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} |
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|
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joinPool(se); |
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} |
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|
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/** |
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* schedule throws RejectedExecutionException if shutdown |
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*/ |
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public void testSchedule2_RejectedExecutionException() { |
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CustomExecutor se = new CustomExecutor(1); |
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try { |
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se.shutdown(); |
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se.schedule(new NoOpCallable(), |
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MEDIUM_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
277 |
} catch (RejectedExecutionException success) { |
278 |
} catch (SecurityException ok) { |
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} |
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joinPool(se); |
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} |
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|
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/** |
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* schedule callable throws RejectedExecutionException if shutdown |
285 |
*/ |
286 |
public void testSchedule3_RejectedExecutionException() { |
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CustomExecutor se = new CustomExecutor(1); |
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try { |
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se.shutdown(); |
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se.schedule(new NoOpCallable(), |
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MEDIUM_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
293 |
} catch (RejectedExecutionException success) { |
294 |
} catch (SecurityException ok) { |
295 |
} |
296 |
joinPool(se); |
297 |
} |
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|
299 |
/** |
300 |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
301 |
*/ |
302 |
public void testScheduleAtFixedRate1_RejectedExecutionException() { |
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CustomExecutor se = new CustomExecutor(1); |
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try { |
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se.shutdown(); |
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se.scheduleAtFixedRate(new NoOpRunnable(), |
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MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
309 |
} catch (RejectedExecutionException success) { |
310 |
} catch (SecurityException ok) { |
311 |
} |
312 |
joinPool(se); |
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} |
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|
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/** |
316 |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
317 |
*/ |
318 |
public void testScheduleWithFixedDelay1_RejectedExecutionException() { |
319 |
CustomExecutor se = new CustomExecutor(1); |
320 |
try { |
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se.shutdown(); |
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se.scheduleWithFixedDelay(new NoOpRunnable(), |
323 |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
324 |
shouldThrow(); |
325 |
} catch (RejectedExecutionException success) { |
326 |
} catch (SecurityException ok) { |
327 |
} |
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joinPool(se); |
329 |
} |
330 |
|
331 |
/** |
332 |
* getActiveCount increases but doesn't overestimate, when a |
333 |
* thread becomes active |
334 |
*/ |
335 |
public void testGetActiveCount() throws InterruptedException { |
336 |
final ThreadPoolExecutor p = new CustomExecutor(2); |
337 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
338 |
final CountDownLatch done = new CountDownLatch(1); |
339 |
try { |
340 |
assertEquals(0, p.getActiveCount()); |
341 |
p.execute(new CheckedRunnable() { |
342 |
public void realRun() throws InterruptedException { |
343 |
threadStarted.countDown(); |
344 |
assertEquals(1, p.getActiveCount()); |
345 |
done.await(); |
346 |
}}); |
347 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
348 |
assertEquals(1, p.getActiveCount()); |
349 |
} finally { |
350 |
done.countDown(); |
351 |
joinPool(p); |
352 |
} |
353 |
} |
354 |
|
355 |
/** |
356 |
* getCompletedTaskCount increases, but doesn't overestimate, |
357 |
* when tasks complete |
358 |
*/ |
359 |
public void testGetCompletedTaskCount() throws InterruptedException { |
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final ThreadPoolExecutor p = new CustomExecutor(2); |
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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); |
364 |
try { |
365 |
assertEquals(0, p.getCompletedTaskCount()); |
366 |
p.execute(new CheckedRunnable() { |
367 |
public void realRun() throws InterruptedException { |
368 |
threadStarted.countDown(); |
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assertEquals(0, p.getCompletedTaskCount()); |
370 |
threadProceed.await(); |
371 |
threadDone.countDown(); |
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}}); |
373 |
await(threadStarted); |
374 |
assertEquals(0, p.getCompletedTaskCount()); |
375 |
threadProceed.countDown(); |
376 |
threadDone.await(); |
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long startTime = System.nanoTime(); |
378 |
while (p.getCompletedTaskCount() != 1) { |
379 |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
380 |
fail("timed out"); |
381 |
Thread.yield(); |
382 |
} |
383 |
} finally { |
384 |
joinPool(p); |
385 |
} |
386 |
} |
387 |
|
388 |
/** |
389 |
* getCorePoolSize returns size given in constructor if not otherwise set |
390 |
*/ |
391 |
public void testGetCorePoolSize() { |
392 |
CustomExecutor p = new CustomExecutor(1); |
393 |
assertEquals(1, p.getCorePoolSize()); |
394 |
joinPool(p); |
395 |
} |
396 |
|
397 |
/** |
398 |
* getLargestPoolSize increases, but doesn't overestimate, when |
399 |
* multiple threads active |
400 |
*/ |
401 |
public void testGetLargestPoolSize() throws InterruptedException { |
402 |
final int THREADS = 3; |
403 |
final ThreadPoolExecutor p = new CustomExecutor(THREADS); |
404 |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
405 |
final CountDownLatch done = new CountDownLatch(1); |
406 |
try { |
407 |
assertEquals(0, p.getLargestPoolSize()); |
408 |
for (int i = 0; i < THREADS; i++) |
409 |
p.execute(new CheckedRunnable() { |
410 |
public void realRun() throws InterruptedException { |
411 |
threadsStarted.countDown(); |
412 |
done.await(); |
413 |
assertEquals(THREADS, p.getLargestPoolSize()); |
414 |
}}); |
415 |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
416 |
assertEquals(THREADS, p.getLargestPoolSize()); |
417 |
} finally { |
418 |
done.countDown(); |
419 |
joinPool(p); |
420 |
assertEquals(THREADS, p.getLargestPoolSize()); |
421 |
} |
422 |
} |
423 |
|
424 |
/** |
425 |
* getPoolSize increases, but doesn't overestimate, when threads |
426 |
* become active |
427 |
*/ |
428 |
public void testGetPoolSize() throws InterruptedException { |
429 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
430 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
431 |
final CountDownLatch done = new CountDownLatch(1); |
432 |
try { |
433 |
assertEquals(0, p.getPoolSize()); |
434 |
p.execute(new CheckedRunnable() { |
435 |
public void realRun() throws InterruptedException { |
436 |
threadStarted.countDown(); |
437 |
assertEquals(1, p.getPoolSize()); |
438 |
done.await(); |
439 |
}}); |
440 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
441 |
assertEquals(1, p.getPoolSize()); |
442 |
} finally { |
443 |
done.countDown(); |
444 |
joinPool(p); |
445 |
} |
446 |
} |
447 |
|
448 |
/** |
449 |
* getTaskCount increases, but doesn't overestimate, when tasks |
450 |
* submitted |
451 |
*/ |
452 |
public void testGetTaskCount() throws InterruptedException { |
453 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
454 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
455 |
final CountDownLatch done = new CountDownLatch(1); |
456 |
final int TASKS = 5; |
457 |
try { |
458 |
assertEquals(0, p.getTaskCount()); |
459 |
for (int i = 0; i < TASKS; i++) |
460 |
p.execute(new CheckedRunnable() { |
461 |
public void realRun() throws InterruptedException { |
462 |
threadStarted.countDown(); |
463 |
done.await(); |
464 |
}}); |
465 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
466 |
assertEquals(TASKS, p.getTaskCount()); |
467 |
} finally { |
468 |
done.countDown(); |
469 |
joinPool(p); |
470 |
} |
471 |
} |
472 |
|
473 |
/** |
474 |
* getThreadFactory returns factory in constructor if not set |
475 |
*/ |
476 |
public void testGetThreadFactory() { |
477 |
ThreadFactory tf = new SimpleThreadFactory(); |
478 |
CustomExecutor p = new CustomExecutor(1, tf); |
479 |
assertSame(tf, p.getThreadFactory()); |
480 |
joinPool(p); |
481 |
} |
482 |
|
483 |
/** |
484 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
485 |
*/ |
486 |
public void testSetThreadFactory() { |
487 |
ThreadFactory tf = new SimpleThreadFactory(); |
488 |
CustomExecutor p = new CustomExecutor(1); |
489 |
p.setThreadFactory(tf); |
490 |
assertSame(tf, p.getThreadFactory()); |
491 |
joinPool(p); |
492 |
} |
493 |
|
494 |
/** |
495 |
* setThreadFactory(null) throws NPE |
496 |
*/ |
497 |
public void testSetThreadFactoryNull() { |
498 |
CustomExecutor p = new CustomExecutor(1); |
499 |
try { |
500 |
p.setThreadFactory(null); |
501 |
shouldThrow(); |
502 |
} catch (NullPointerException success) { |
503 |
} finally { |
504 |
joinPool(p); |
505 |
} |
506 |
} |
507 |
|
508 |
/** |
509 |
* isShutdown is false before shutdown, true after |
510 |
*/ |
511 |
public void testIsShutdown() { |
512 |
CustomExecutor p = new CustomExecutor(1); |
513 |
try { |
514 |
assertFalse(p.isShutdown()); |
515 |
} |
516 |
finally { |
517 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
518 |
} |
519 |
assertTrue(p.isShutdown()); |
520 |
} |
521 |
|
522 |
/** |
523 |
* isTerminated is false before termination, true after |
524 |
*/ |
525 |
public void testIsTerminated() throws InterruptedException { |
526 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
527 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
528 |
final CountDownLatch done = new CountDownLatch(1); |
529 |
assertFalse(p.isTerminated()); |
530 |
try { |
531 |
p.execute(new CheckedRunnable() { |
532 |
public void realRun() throws InterruptedException { |
533 |
assertFalse(p.isTerminated()); |
534 |
threadStarted.countDown(); |
535 |
done.await(); |
536 |
}}); |
537 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
538 |
assertFalse(p.isTerminating()); |
539 |
done.countDown(); |
540 |
} finally { |
541 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
542 |
} |
543 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
544 |
assertTrue(p.isTerminated()); |
545 |
} |
546 |
|
547 |
/** |
548 |
* isTerminating is not true when running or when terminated |
549 |
*/ |
550 |
public void testIsTerminating() throws InterruptedException { |
551 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
552 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
553 |
final CountDownLatch done = new CountDownLatch(1); |
554 |
try { |
555 |
assertFalse(p.isTerminating()); |
556 |
p.execute(new CheckedRunnable() { |
557 |
public void realRun() throws InterruptedException { |
558 |
assertFalse(p.isTerminating()); |
559 |
threadStarted.countDown(); |
560 |
done.await(); |
561 |
}}); |
562 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
563 |
assertFalse(p.isTerminating()); |
564 |
done.countDown(); |
565 |
} finally { |
566 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
567 |
} |
568 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
569 |
assertTrue(p.isTerminated()); |
570 |
assertFalse(p.isTerminating()); |
571 |
} |
572 |
|
573 |
/** |
574 |
* getQueue returns the work queue, which contains queued tasks |
575 |
*/ |
576 |
public void testGetQueue() throws InterruptedException { |
577 |
ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
578 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
579 |
final CountDownLatch done = new CountDownLatch(1); |
580 |
try { |
581 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
582 |
for (int i = 0; i < tasks.length; i++) { |
583 |
Runnable r = new CheckedRunnable() { |
584 |
public void realRun() throws InterruptedException { |
585 |
threadStarted.countDown(); |
586 |
done.await(); |
587 |
}}; |
588 |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
589 |
} |
590 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
591 |
BlockingQueue<Runnable> q = p.getQueue(); |
592 |
assertTrue(q.contains(tasks[tasks.length - 1])); |
593 |
assertFalse(q.contains(tasks[0])); |
594 |
} finally { |
595 |
done.countDown(); |
596 |
joinPool(p); |
597 |
} |
598 |
} |
599 |
|
600 |
/** |
601 |
* remove(task) removes queued task, and fails to remove active task |
602 |
*/ |
603 |
public void testRemove() throws InterruptedException { |
604 |
final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
605 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
606 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
607 |
final CountDownLatch done = new CountDownLatch(1); |
608 |
try { |
609 |
for (int i = 0; i < tasks.length; i++) { |
610 |
Runnable r = new CheckedRunnable() { |
611 |
public void realRun() throws InterruptedException { |
612 |
threadStarted.countDown(); |
613 |
done.await(); |
614 |
}}; |
615 |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
616 |
} |
617 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
618 |
BlockingQueue<Runnable> q = p.getQueue(); |
619 |
assertFalse(p.remove((Runnable)tasks[0])); |
620 |
assertTrue(q.contains((Runnable)tasks[4])); |
621 |
assertTrue(q.contains((Runnable)tasks[3])); |
622 |
assertTrue(p.remove((Runnable)tasks[4])); |
623 |
assertFalse(p.remove((Runnable)tasks[4])); |
624 |
assertFalse(q.contains((Runnable)tasks[4])); |
625 |
assertTrue(q.contains((Runnable)tasks[3])); |
626 |
assertTrue(p.remove((Runnable)tasks[3])); |
627 |
assertFalse(q.contains((Runnable)tasks[3])); |
628 |
} finally { |
629 |
done.countDown(); |
630 |
joinPool(p); |
631 |
} |
632 |
} |
633 |
|
634 |
/** |
635 |
* purge removes cancelled tasks from the queue |
636 |
*/ |
637 |
public void testPurge() throws InterruptedException { |
638 |
CustomExecutor p = new CustomExecutor(1); |
639 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
640 |
for (int i = 0; i < tasks.length; i++) |
641 |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
642 |
LONG_DELAY_MS, MILLISECONDS); |
643 |
try { |
644 |
int max = tasks.length; |
645 |
if (tasks[4].cancel(true)) --max; |
646 |
if (tasks[3].cancel(true)) --max; |
647 |
// There must eventually be an interference-free point at |
648 |
// which purge will not fail. (At worst, when queue is empty.) |
649 |
long startTime = System.nanoTime(); |
650 |
do { |
651 |
p.purge(); |
652 |
long count = p.getTaskCount(); |
653 |
if (count == max) |
654 |
return; |
655 |
} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS); |
656 |
fail("Purge failed to remove cancelled tasks"); |
657 |
} finally { |
658 |
for (ScheduledFuture task : tasks) |
659 |
task.cancel(true); |
660 |
joinPool(p); |
661 |
} |
662 |
} |
663 |
|
664 |
/** |
665 |
* shutdownNow returns a list containing tasks that were not run |
666 |
*/ |
667 |
public void testShutdownNow() { |
668 |
CustomExecutor p = new CustomExecutor(1); |
669 |
for (int i = 0; i < 5; i++) |
670 |
p.schedule(new SmallPossiblyInterruptedRunnable(), |
671 |
LONG_DELAY_MS, MILLISECONDS); |
672 |
try { |
673 |
List<Runnable> l = p.shutdownNow(); |
674 |
assertTrue(p.isShutdown()); |
675 |
assertEquals(5, l.size()); |
676 |
} catch (SecurityException ok) { |
677 |
// Allowed in case test doesn't have privs |
678 |
} finally { |
679 |
joinPool(p); |
680 |
} |
681 |
} |
682 |
|
683 |
/** |
684 |
* In default setting, shutdown cancels periodic but not delayed |
685 |
* tasks at shutdown |
686 |
*/ |
687 |
public void testShutdown1() throws InterruptedException { |
688 |
CustomExecutor p = new CustomExecutor(1); |
689 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
690 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
691 |
|
692 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
693 |
for (int i = 0; i < tasks.length; i++) |
694 |
tasks[i] = p.schedule(new NoOpRunnable(), |
695 |
SHORT_DELAY_MS, MILLISECONDS); |
696 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
697 |
BlockingQueue<Runnable> q = p.getQueue(); |
698 |
for (ScheduledFuture task : tasks) { |
699 |
assertFalse(task.isDone()); |
700 |
assertFalse(task.isCancelled()); |
701 |
assertTrue(q.contains(task)); |
702 |
} |
703 |
assertTrue(p.isShutdown()); |
704 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
705 |
assertTrue(p.isTerminated()); |
706 |
for (ScheduledFuture task : tasks) { |
707 |
assertTrue(task.isDone()); |
708 |
assertFalse(task.isCancelled()); |
709 |
} |
710 |
} |
711 |
|
712 |
/** |
713 |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
714 |
* delayed tasks are cancelled at shutdown |
715 |
*/ |
716 |
public void testShutdown2() throws InterruptedException { |
717 |
CustomExecutor p = new CustomExecutor(1); |
718 |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
719 |
assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
720 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
721 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
722 |
for (int i = 0; i < tasks.length; i++) |
723 |
tasks[i] = p.schedule(new NoOpRunnable(), |
724 |
SHORT_DELAY_MS, MILLISECONDS); |
725 |
BlockingQueue q = p.getQueue(); |
726 |
assertEquals(tasks.length, q.size()); |
727 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
728 |
assertTrue(p.isShutdown()); |
729 |
assertTrue(q.isEmpty()); |
730 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
731 |
assertTrue(p.isTerminated()); |
732 |
for (ScheduledFuture task : tasks) { |
733 |
assertTrue(task.isDone()); |
734 |
assertTrue(task.isCancelled()); |
735 |
} |
736 |
} |
737 |
|
738 |
/** |
739 |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
740 |
* periodic tasks are cancelled at shutdown |
741 |
*/ |
742 |
public void testShutdown3() throws InterruptedException { |
743 |
CustomExecutor p = new CustomExecutor(1); |
744 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
745 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
746 |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
747 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
748 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
749 |
long initialDelay = LONG_DELAY_MS; |
750 |
ScheduledFuture task = |
751 |
p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay, |
752 |
5, MILLISECONDS); |
753 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
754 |
assertTrue(p.isShutdown()); |
755 |
assertTrue(p.getQueue().isEmpty()); |
756 |
assertTrue(task.isDone()); |
757 |
assertTrue(task.isCancelled()); |
758 |
joinPool(p); |
759 |
} |
760 |
|
761 |
/** |
762 |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
763 |
* periodic tasks are not cancelled at shutdown |
764 |
*/ |
765 |
public void testShutdown4() throws InterruptedException { |
766 |
CustomExecutor p = new CustomExecutor(1); |
767 |
final CountDownLatch counter = new CountDownLatch(2); |
768 |
try { |
769 |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
770 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
771 |
assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
772 |
final Runnable r = new CheckedRunnable() { |
773 |
public void realRun() { |
774 |
counter.countDown(); |
775 |
}}; |
776 |
ScheduledFuture task = |
777 |
p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS); |
778 |
assertFalse(task.isDone()); |
779 |
assertFalse(task.isCancelled()); |
780 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
781 |
assertFalse(task.isCancelled()); |
782 |
assertFalse(p.isTerminated()); |
783 |
assertTrue(p.isShutdown()); |
784 |
assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS)); |
785 |
assertFalse(task.isCancelled()); |
786 |
assertTrue(task.cancel(false)); |
787 |
assertTrue(task.isDone()); |
788 |
assertTrue(task.isCancelled()); |
789 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
790 |
assertTrue(p.isTerminated()); |
791 |
} |
792 |
finally { |
793 |
joinPool(p); |
794 |
} |
795 |
} |
796 |
|
797 |
/** |
798 |
* completed submit of callable returns result |
799 |
*/ |
800 |
public void testSubmitCallable() throws Exception { |
801 |
ExecutorService e = new CustomExecutor(2); |
802 |
try { |
803 |
Future<String> future = e.submit(new StringTask()); |
804 |
String result = future.get(); |
805 |
assertSame(TEST_STRING, result); |
806 |
} finally { |
807 |
joinPool(e); |
808 |
} |
809 |
} |
810 |
|
811 |
/** |
812 |
* completed submit of runnable returns successfully |
813 |
*/ |
814 |
public void testSubmitRunnable() throws Exception { |
815 |
ExecutorService e = new CustomExecutor(2); |
816 |
try { |
817 |
Future<?> future = e.submit(new NoOpRunnable()); |
818 |
future.get(); |
819 |
assertTrue(future.isDone()); |
820 |
} finally { |
821 |
joinPool(e); |
822 |
} |
823 |
} |
824 |
|
825 |
/** |
826 |
* completed submit of (runnable, result) returns result |
827 |
*/ |
828 |
public void testSubmitRunnable2() throws Exception { |
829 |
ExecutorService e = new CustomExecutor(2); |
830 |
try { |
831 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
832 |
String result = future.get(); |
833 |
assertSame(TEST_STRING, result); |
834 |
} finally { |
835 |
joinPool(e); |
836 |
} |
837 |
} |
838 |
|
839 |
/** |
840 |
* invokeAny(null) throws NPE |
841 |
*/ |
842 |
public void testInvokeAny1() throws Exception { |
843 |
ExecutorService e = new CustomExecutor(2); |
844 |
try { |
845 |
e.invokeAny(null); |
846 |
shouldThrow(); |
847 |
} catch (NullPointerException success) { |
848 |
} finally { |
849 |
joinPool(e); |
850 |
} |
851 |
} |
852 |
|
853 |
/** |
854 |
* invokeAny(empty collection) throws IAE |
855 |
*/ |
856 |
public void testInvokeAny2() throws Exception { |
857 |
ExecutorService e = new CustomExecutor(2); |
858 |
try { |
859 |
e.invokeAny(new ArrayList<Callable<String>>()); |
860 |
shouldThrow(); |
861 |
} catch (IllegalArgumentException success) { |
862 |
} finally { |
863 |
joinPool(e); |
864 |
} |
865 |
} |
866 |
|
867 |
/** |
868 |
* invokeAny(c) throws NPE if c has null elements |
869 |
*/ |
870 |
public void testInvokeAny3() throws Exception { |
871 |
CountDownLatch latch = new CountDownLatch(1); |
872 |
ExecutorService e = new CustomExecutor(2); |
873 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
874 |
l.add(latchAwaitingStringTask(latch)); |
875 |
l.add(null); |
876 |
try { |
877 |
e.invokeAny(l); |
878 |
shouldThrow(); |
879 |
} catch (NullPointerException success) { |
880 |
} finally { |
881 |
latch.countDown(); |
882 |
joinPool(e); |
883 |
} |
884 |
} |
885 |
|
886 |
/** |
887 |
* invokeAny(c) throws ExecutionException if no task completes |
888 |
*/ |
889 |
public void testInvokeAny4() throws Exception { |
890 |
ExecutorService e = new CustomExecutor(2); |
891 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
892 |
l.add(new NPETask()); |
893 |
try { |
894 |
e.invokeAny(l); |
895 |
shouldThrow(); |
896 |
} catch (ExecutionException success) { |
897 |
assertTrue(success.getCause() instanceof NullPointerException); |
898 |
} finally { |
899 |
joinPool(e); |
900 |
} |
901 |
} |
902 |
|
903 |
/** |
904 |
* invokeAny(c) returns result of some task |
905 |
*/ |
906 |
public void testInvokeAny5() throws Exception { |
907 |
ExecutorService e = new CustomExecutor(2); |
908 |
try { |
909 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
910 |
l.add(new StringTask()); |
911 |
l.add(new StringTask()); |
912 |
String result = e.invokeAny(l); |
913 |
assertSame(TEST_STRING, result); |
914 |
} finally { |
915 |
joinPool(e); |
916 |
} |
917 |
} |
918 |
|
919 |
/** |
920 |
* invokeAll(null) throws NPE |
921 |
*/ |
922 |
public void testInvokeAll1() throws Exception { |
923 |
ExecutorService e = new CustomExecutor(2); |
924 |
try { |
925 |
e.invokeAll(null); |
926 |
shouldThrow(); |
927 |
} catch (NullPointerException success) { |
928 |
} finally { |
929 |
joinPool(e); |
930 |
} |
931 |
} |
932 |
|
933 |
/** |
934 |
* invokeAll(empty collection) returns empty collection |
935 |
*/ |
936 |
public void testInvokeAll2() throws Exception { |
937 |
ExecutorService e = new CustomExecutor(2); |
938 |
try { |
939 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
940 |
assertTrue(r.isEmpty()); |
941 |
} finally { |
942 |
joinPool(e); |
943 |
} |
944 |
} |
945 |
|
946 |
/** |
947 |
* invokeAll(c) throws NPE if c has null elements |
948 |
*/ |
949 |
public void testInvokeAll3() throws Exception { |
950 |
ExecutorService e = new CustomExecutor(2); |
951 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
952 |
l.add(new StringTask()); |
953 |
l.add(null); |
954 |
try { |
955 |
e.invokeAll(l); |
956 |
shouldThrow(); |
957 |
} catch (NullPointerException success) { |
958 |
} finally { |
959 |
joinPool(e); |
960 |
} |
961 |
} |
962 |
|
963 |
/** |
964 |
* get of invokeAll(c) throws exception on failed task |
965 |
*/ |
966 |
public void testInvokeAll4() throws Exception { |
967 |
ExecutorService e = new CustomExecutor(2); |
968 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
969 |
l.add(new NPETask()); |
970 |
List<Future<String>> futures = e.invokeAll(l); |
971 |
assertEquals(1, futures.size()); |
972 |
try { |
973 |
futures.get(0).get(); |
974 |
shouldThrow(); |
975 |
} catch (ExecutionException success) { |
976 |
assertTrue(success.getCause() instanceof NullPointerException); |
977 |
} finally { |
978 |
joinPool(e); |
979 |
} |
980 |
} |
981 |
|
982 |
/** |
983 |
* invokeAll(c) returns results of all completed tasks |
984 |
*/ |
985 |
public void testInvokeAll5() throws Exception { |
986 |
ExecutorService e = new CustomExecutor(2); |
987 |
try { |
988 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
989 |
l.add(new StringTask()); |
990 |
l.add(new StringTask()); |
991 |
List<Future<String>> futures = e.invokeAll(l); |
992 |
assertEquals(2, futures.size()); |
993 |
for (Future<String> future : futures) |
994 |
assertSame(TEST_STRING, future.get()); |
995 |
} finally { |
996 |
joinPool(e); |
997 |
} |
998 |
} |
999 |
|
1000 |
/** |
1001 |
* timed invokeAny(null) throws NPE |
1002 |
*/ |
1003 |
public void testTimedInvokeAny1() throws Exception { |
1004 |
ExecutorService e = new CustomExecutor(2); |
1005 |
try { |
1006 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1007 |
shouldThrow(); |
1008 |
} catch (NullPointerException success) { |
1009 |
} finally { |
1010 |
joinPool(e); |
1011 |
} |
1012 |
} |
1013 |
|
1014 |
/** |
1015 |
* timed invokeAny(,,null) throws NPE |
1016 |
*/ |
1017 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1018 |
ExecutorService e = new CustomExecutor(2); |
1019 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1020 |
l.add(new StringTask()); |
1021 |
try { |
1022 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1023 |
shouldThrow(); |
1024 |
} catch (NullPointerException success) { |
1025 |
} finally { |
1026 |
joinPool(e); |
1027 |
} |
1028 |
} |
1029 |
|
1030 |
/** |
1031 |
* timed invokeAny(empty collection) throws IAE |
1032 |
*/ |
1033 |
public void testTimedInvokeAny2() throws Exception { |
1034 |
ExecutorService e = new CustomExecutor(2); |
1035 |
try { |
1036 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1037 |
shouldThrow(); |
1038 |
} catch (IllegalArgumentException success) { |
1039 |
} finally { |
1040 |
joinPool(e); |
1041 |
} |
1042 |
} |
1043 |
|
1044 |
/** |
1045 |
* timed invokeAny(c) throws NPE if c has null elements |
1046 |
*/ |
1047 |
public void testTimedInvokeAny3() throws Exception { |
1048 |
CountDownLatch latch = new CountDownLatch(1); |
1049 |
ExecutorService e = new CustomExecutor(2); |
1050 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1051 |
l.add(latchAwaitingStringTask(latch)); |
1052 |
l.add(null); |
1053 |
try { |
1054 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1055 |
shouldThrow(); |
1056 |
} catch (NullPointerException success) { |
1057 |
} finally { |
1058 |
latch.countDown(); |
1059 |
joinPool(e); |
1060 |
} |
1061 |
} |
1062 |
|
1063 |
/** |
1064 |
* timed invokeAny(c) throws ExecutionException if no task completes |
1065 |
*/ |
1066 |
public void testTimedInvokeAny4() throws Exception { |
1067 |
ExecutorService e = new CustomExecutor(2); |
1068 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1069 |
l.add(new NPETask()); |
1070 |
try { |
1071 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1072 |
shouldThrow(); |
1073 |
} catch (ExecutionException success) { |
1074 |
assertTrue(success.getCause() instanceof NullPointerException); |
1075 |
} finally { |
1076 |
joinPool(e); |
1077 |
} |
1078 |
} |
1079 |
|
1080 |
/** |
1081 |
* timed invokeAny(c) returns result of some task |
1082 |
*/ |
1083 |
public void testTimedInvokeAny5() throws Exception { |
1084 |
ExecutorService e = new CustomExecutor(2); |
1085 |
try { |
1086 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1087 |
l.add(new StringTask()); |
1088 |
l.add(new StringTask()); |
1089 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1090 |
assertSame(TEST_STRING, result); |
1091 |
} finally { |
1092 |
joinPool(e); |
1093 |
} |
1094 |
} |
1095 |
|
1096 |
/** |
1097 |
* timed invokeAll(null) throws NPE |
1098 |
*/ |
1099 |
public void testTimedInvokeAll1() throws Exception { |
1100 |
ExecutorService e = new CustomExecutor(2); |
1101 |
try { |
1102 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1103 |
shouldThrow(); |
1104 |
} catch (NullPointerException success) { |
1105 |
} finally { |
1106 |
joinPool(e); |
1107 |
} |
1108 |
} |
1109 |
|
1110 |
/** |
1111 |
* timed invokeAll(,,null) throws NPE |
1112 |
*/ |
1113 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1114 |
ExecutorService e = new CustomExecutor(2); |
1115 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1116 |
l.add(new StringTask()); |
1117 |
try { |
1118 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1119 |
shouldThrow(); |
1120 |
} catch (NullPointerException success) { |
1121 |
} finally { |
1122 |
joinPool(e); |
1123 |
} |
1124 |
} |
1125 |
|
1126 |
/** |
1127 |
* timed invokeAll(empty collection) returns empty collection |
1128 |
*/ |
1129 |
public void testTimedInvokeAll2() throws Exception { |
1130 |
ExecutorService e = new CustomExecutor(2); |
1131 |
try { |
1132 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1133 |
assertTrue(r.isEmpty()); |
1134 |
} finally { |
1135 |
joinPool(e); |
1136 |
} |
1137 |
} |
1138 |
|
1139 |
/** |
1140 |
* timed invokeAll(c) throws NPE if c has null elements |
1141 |
*/ |
1142 |
public void testTimedInvokeAll3() throws Exception { |
1143 |
ExecutorService e = new CustomExecutor(2); |
1144 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1145 |
l.add(new StringTask()); |
1146 |
l.add(null); |
1147 |
try { |
1148 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1149 |
shouldThrow(); |
1150 |
} catch (NullPointerException success) { |
1151 |
} finally { |
1152 |
joinPool(e); |
1153 |
} |
1154 |
} |
1155 |
|
1156 |
/** |
1157 |
* get of element of invokeAll(c) throws exception on failed task |
1158 |
*/ |
1159 |
public void testTimedInvokeAll4() throws Exception { |
1160 |
ExecutorService e = new CustomExecutor(2); |
1161 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1162 |
l.add(new NPETask()); |
1163 |
List<Future<String>> futures = |
1164 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1165 |
assertEquals(1, futures.size()); |
1166 |
try { |
1167 |
futures.get(0).get(); |
1168 |
shouldThrow(); |
1169 |
} catch (ExecutionException success) { |
1170 |
assertTrue(success.getCause() instanceof NullPointerException); |
1171 |
} finally { |
1172 |
joinPool(e); |
1173 |
} |
1174 |
} |
1175 |
|
1176 |
/** |
1177 |
* timed invokeAll(c) returns results of all completed tasks |
1178 |
*/ |
1179 |
public void testTimedInvokeAll5() throws Exception { |
1180 |
ExecutorService e = new CustomExecutor(2); |
1181 |
try { |
1182 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1183 |
l.add(new StringTask()); |
1184 |
l.add(new StringTask()); |
1185 |
List<Future<String>> futures = |
1186 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1187 |
assertEquals(2, futures.size()); |
1188 |
for (Future<String> future : futures) |
1189 |
assertSame(TEST_STRING, future.get()); |
1190 |
} finally { |
1191 |
joinPool(e); |
1192 |
} |
1193 |
} |
1194 |
|
1195 |
/** |
1196 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1197 |
*/ |
1198 |
public void testTimedInvokeAll6() throws Exception { |
1199 |
ExecutorService e = new CustomExecutor(2); |
1200 |
try { |
1201 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1202 |
l.add(new StringTask()); |
1203 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1204 |
l.add(new StringTask()); |
1205 |
List<Future<String>> futures = |
1206 |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1207 |
assertEquals(l.size(), futures.size()); |
1208 |
for (Future future : futures) |
1209 |
assertTrue(future.isDone()); |
1210 |
assertFalse(futures.get(0).isCancelled()); |
1211 |
assertTrue(futures.get(1).isCancelled()); |
1212 |
} finally { |
1213 |
joinPool(e); |
1214 |
} |
1215 |
} |
1216 |
|
1217 |
} |