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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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try { |
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for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
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long startTime = System.nanoTime(); |
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int cycles = 10; |
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final CountDownLatch done = new CountDownLatch(cycles); |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { done.countDown(); }}; |
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ScheduledFuture h = |
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p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
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done.await(); |
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h.cancel(true); |
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double normalizedTime = |
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(double) millisElapsedSince(startTime) / delay; |
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if (normalizedTime >= cycles - 1 && |
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normalizedTime <= cycles) |
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return; |
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} |
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throw new AssertionError("unexpected execution rate"); |
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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 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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try { |
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for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
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long startTime = System.nanoTime(); |
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int cycles = 10; |
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final CountDownLatch done = new CountDownLatch(cycles); |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { done.countDown(); }}; |
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ScheduledFuture h = |
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p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
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done.await(); |
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h.cancel(true); |
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double normalizedTime = |
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(double) millisElapsedSince(startTime) / delay; |
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if (normalizedTime >= cycles - 1 && |
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normalizedTime <= cycles) |
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return; |
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} |
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throw new AssertionError("unexpected execution rate"); |
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} finally { |
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joinPool(p); |
244 |
} |
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} |
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|
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/** |
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* execute(null) throws NPE |
249 |
*/ |
250 |
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 |
274 |
*/ |
275 |
public void testSchedule1_RejectedExecutionException() { |
276 |
CustomExecutor se = new CustomExecutor(1); |
277 |
try { |
278 |
se.shutdown(); |
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se.schedule(new NoOpRunnable(), |
280 |
MEDIUM_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
282 |
} catch (RejectedExecutionException success) { |
283 |
} catch (SecurityException ok) { |
284 |
} |
285 |
|
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joinPool(se); |
287 |
} |
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|
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/** |
290 |
* schedule throws RejectedExecutionException if shutdown |
291 |
*/ |
292 |
public void testSchedule2_RejectedExecutionException() { |
293 |
CustomExecutor se = new CustomExecutor(1); |
294 |
try { |
295 |
se.shutdown(); |
296 |
se.schedule(new NoOpCallable(), |
297 |
MEDIUM_DELAY_MS, MILLISECONDS); |
298 |
shouldThrow(); |
299 |
} catch (RejectedExecutionException success) { |
300 |
} catch (SecurityException ok) { |
301 |
} |
302 |
joinPool(se); |
303 |
} |
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|
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/** |
306 |
* schedule callable throws RejectedExecutionException if shutdown |
307 |
*/ |
308 |
public void testSchedule3_RejectedExecutionException() { |
309 |
CustomExecutor se = new CustomExecutor(1); |
310 |
try { |
311 |
se.shutdown(); |
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se.schedule(new NoOpCallable(), |
313 |
MEDIUM_DELAY_MS, MILLISECONDS); |
314 |
shouldThrow(); |
315 |
} catch (RejectedExecutionException success) { |
316 |
} catch (SecurityException ok) { |
317 |
} |
318 |
joinPool(se); |
319 |
} |
320 |
|
321 |
/** |
322 |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
323 |
*/ |
324 |
public void testScheduleAtFixedRate1_RejectedExecutionException() { |
325 |
CustomExecutor se = new CustomExecutor(1); |
326 |
try { |
327 |
se.shutdown(); |
328 |
se.scheduleAtFixedRate(new NoOpRunnable(), |
329 |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
330 |
shouldThrow(); |
331 |
} catch (RejectedExecutionException success) { |
332 |
} catch (SecurityException ok) { |
333 |
} |
334 |
joinPool(se); |
335 |
} |
336 |
|
337 |
/** |
338 |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
339 |
*/ |
340 |
public void testScheduleWithFixedDelay1_RejectedExecutionException() { |
341 |
CustomExecutor se = new CustomExecutor(1); |
342 |
try { |
343 |
se.shutdown(); |
344 |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
345 |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
346 |
shouldThrow(); |
347 |
} catch (RejectedExecutionException success) { |
348 |
} catch (SecurityException ok) { |
349 |
} |
350 |
joinPool(se); |
351 |
} |
352 |
|
353 |
/** |
354 |
* getActiveCount increases but doesn't overestimate, when a |
355 |
* thread becomes active |
356 |
*/ |
357 |
public void testGetActiveCount() throws InterruptedException { |
358 |
final ThreadPoolExecutor p = new CustomExecutor(2); |
359 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
360 |
final CountDownLatch done = new CountDownLatch(1); |
361 |
try { |
362 |
assertEquals(0, p.getActiveCount()); |
363 |
p.execute(new CheckedRunnable() { |
364 |
public void realRun() throws InterruptedException { |
365 |
threadStarted.countDown(); |
366 |
assertEquals(1, p.getActiveCount()); |
367 |
done.await(); |
368 |
}}); |
369 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
370 |
assertEquals(1, p.getActiveCount()); |
371 |
} finally { |
372 |
done.countDown(); |
373 |
joinPool(p); |
374 |
} |
375 |
} |
376 |
|
377 |
/** |
378 |
* getCompletedTaskCount increases, but doesn't overestimate, |
379 |
* when tasks complete |
380 |
*/ |
381 |
public void testGetCompletedTaskCount() throws InterruptedException { |
382 |
final ThreadPoolExecutor p = new CustomExecutor(2); |
383 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
384 |
final CountDownLatch threadProceed = new CountDownLatch(1); |
385 |
final CountDownLatch threadDone = new CountDownLatch(1); |
386 |
try { |
387 |
assertEquals(0, p.getCompletedTaskCount()); |
388 |
p.execute(new CheckedRunnable() { |
389 |
public void realRun() throws InterruptedException { |
390 |
threadStarted.countDown(); |
391 |
assertEquals(0, p.getCompletedTaskCount()); |
392 |
threadProceed.await(); |
393 |
threadDone.countDown(); |
394 |
}}); |
395 |
await(threadStarted); |
396 |
assertEquals(0, p.getCompletedTaskCount()); |
397 |
threadProceed.countDown(); |
398 |
threadDone.await(); |
399 |
long startTime = System.nanoTime(); |
400 |
while (p.getCompletedTaskCount() != 1) { |
401 |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
402 |
fail("timed out"); |
403 |
Thread.yield(); |
404 |
} |
405 |
} finally { |
406 |
joinPool(p); |
407 |
} |
408 |
} |
409 |
|
410 |
/** |
411 |
* getCorePoolSize returns size given in constructor if not otherwise set |
412 |
*/ |
413 |
public void testGetCorePoolSize() { |
414 |
CustomExecutor p = new CustomExecutor(1); |
415 |
assertEquals(1, p.getCorePoolSize()); |
416 |
joinPool(p); |
417 |
} |
418 |
|
419 |
/** |
420 |
* getLargestPoolSize increases, but doesn't overestimate, when |
421 |
* multiple threads active |
422 |
*/ |
423 |
public void testGetLargestPoolSize() throws InterruptedException { |
424 |
final int THREADS = 3; |
425 |
final ThreadPoolExecutor p = new CustomExecutor(THREADS); |
426 |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
427 |
final CountDownLatch done = new CountDownLatch(1); |
428 |
try { |
429 |
assertEquals(0, p.getLargestPoolSize()); |
430 |
for (int i = 0; i < THREADS; i++) |
431 |
p.execute(new CheckedRunnable() { |
432 |
public void realRun() throws InterruptedException { |
433 |
threadsStarted.countDown(); |
434 |
done.await(); |
435 |
assertEquals(THREADS, p.getLargestPoolSize()); |
436 |
}}); |
437 |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
438 |
assertEquals(THREADS, p.getLargestPoolSize()); |
439 |
} finally { |
440 |
done.countDown(); |
441 |
joinPool(p); |
442 |
assertEquals(THREADS, p.getLargestPoolSize()); |
443 |
} |
444 |
} |
445 |
|
446 |
/** |
447 |
* getPoolSize increases, but doesn't overestimate, when threads |
448 |
* become active |
449 |
*/ |
450 |
public void testGetPoolSize() throws InterruptedException { |
451 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
452 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
453 |
final CountDownLatch done = new CountDownLatch(1); |
454 |
try { |
455 |
assertEquals(0, p.getPoolSize()); |
456 |
p.execute(new CheckedRunnable() { |
457 |
public void realRun() throws InterruptedException { |
458 |
threadStarted.countDown(); |
459 |
assertEquals(1, p.getPoolSize()); |
460 |
done.await(); |
461 |
}}); |
462 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
463 |
assertEquals(1, p.getPoolSize()); |
464 |
} finally { |
465 |
done.countDown(); |
466 |
joinPool(p); |
467 |
} |
468 |
} |
469 |
|
470 |
/** |
471 |
* getTaskCount increases, but doesn't overestimate, when tasks |
472 |
* submitted |
473 |
*/ |
474 |
public void testGetTaskCount() throws InterruptedException { |
475 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
476 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
477 |
final CountDownLatch done = new CountDownLatch(1); |
478 |
final int TASKS = 5; |
479 |
try { |
480 |
assertEquals(0, p.getTaskCount()); |
481 |
for (int i = 0; i < TASKS; i++) |
482 |
p.execute(new CheckedRunnable() { |
483 |
public void realRun() throws InterruptedException { |
484 |
threadStarted.countDown(); |
485 |
done.await(); |
486 |
}}); |
487 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
488 |
assertEquals(TASKS, p.getTaskCount()); |
489 |
} finally { |
490 |
done.countDown(); |
491 |
joinPool(p); |
492 |
} |
493 |
} |
494 |
|
495 |
/** |
496 |
* getThreadFactory returns factory in constructor if not set |
497 |
*/ |
498 |
public void testGetThreadFactory() { |
499 |
ThreadFactory tf = new SimpleThreadFactory(); |
500 |
CustomExecutor p = new CustomExecutor(1, tf); |
501 |
assertSame(tf, p.getThreadFactory()); |
502 |
joinPool(p); |
503 |
} |
504 |
|
505 |
/** |
506 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
507 |
*/ |
508 |
public void testSetThreadFactory() { |
509 |
ThreadFactory tf = new SimpleThreadFactory(); |
510 |
CustomExecutor p = new CustomExecutor(1); |
511 |
p.setThreadFactory(tf); |
512 |
assertSame(tf, p.getThreadFactory()); |
513 |
joinPool(p); |
514 |
} |
515 |
|
516 |
/** |
517 |
* setThreadFactory(null) throws NPE |
518 |
*/ |
519 |
public void testSetThreadFactoryNull() { |
520 |
CustomExecutor p = new CustomExecutor(1); |
521 |
try { |
522 |
p.setThreadFactory(null); |
523 |
shouldThrow(); |
524 |
} catch (NullPointerException success) { |
525 |
} finally { |
526 |
joinPool(p); |
527 |
} |
528 |
} |
529 |
|
530 |
/** |
531 |
* isShutdown is false before shutdown, true after |
532 |
*/ |
533 |
public void testIsShutdown() { |
534 |
CustomExecutor p = new CustomExecutor(1); |
535 |
try { |
536 |
assertFalse(p.isShutdown()); |
537 |
} |
538 |
finally { |
539 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
540 |
} |
541 |
assertTrue(p.isShutdown()); |
542 |
} |
543 |
|
544 |
/** |
545 |
* isTerminated is false before termination, true after |
546 |
*/ |
547 |
public void testIsTerminated() throws InterruptedException { |
548 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
549 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
550 |
final CountDownLatch done = new CountDownLatch(1); |
551 |
assertFalse(p.isTerminated()); |
552 |
try { |
553 |
p.execute(new CheckedRunnable() { |
554 |
public void realRun() throws InterruptedException { |
555 |
assertFalse(p.isTerminated()); |
556 |
threadStarted.countDown(); |
557 |
done.await(); |
558 |
}}); |
559 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
560 |
assertFalse(p.isTerminating()); |
561 |
done.countDown(); |
562 |
} finally { |
563 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
564 |
} |
565 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
566 |
assertTrue(p.isTerminated()); |
567 |
} |
568 |
|
569 |
/** |
570 |
* isTerminating is not true when running or when terminated |
571 |
*/ |
572 |
public void testIsTerminating() throws InterruptedException { |
573 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
574 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
575 |
final CountDownLatch done = new CountDownLatch(1); |
576 |
try { |
577 |
assertFalse(p.isTerminating()); |
578 |
p.execute(new CheckedRunnable() { |
579 |
public void realRun() throws InterruptedException { |
580 |
assertFalse(p.isTerminating()); |
581 |
threadStarted.countDown(); |
582 |
done.await(); |
583 |
}}); |
584 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
585 |
assertFalse(p.isTerminating()); |
586 |
done.countDown(); |
587 |
} finally { |
588 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
589 |
} |
590 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
591 |
assertTrue(p.isTerminated()); |
592 |
assertFalse(p.isTerminating()); |
593 |
} |
594 |
|
595 |
/** |
596 |
* getQueue returns the work queue, which contains queued tasks |
597 |
*/ |
598 |
public void testGetQueue() throws InterruptedException { |
599 |
ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
600 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
601 |
final CountDownLatch done = new CountDownLatch(1); |
602 |
try { |
603 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
604 |
for (int i = 0; i < tasks.length; i++) { |
605 |
Runnable r = new CheckedRunnable() { |
606 |
public void realRun() throws InterruptedException { |
607 |
threadStarted.countDown(); |
608 |
done.await(); |
609 |
}}; |
610 |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
611 |
} |
612 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
613 |
BlockingQueue<Runnable> q = p.getQueue(); |
614 |
assertTrue(q.contains(tasks[tasks.length - 1])); |
615 |
assertFalse(q.contains(tasks[0])); |
616 |
} finally { |
617 |
done.countDown(); |
618 |
joinPool(p); |
619 |
} |
620 |
} |
621 |
|
622 |
/** |
623 |
* remove(task) removes queued task, and fails to remove active task |
624 |
*/ |
625 |
public void testRemove() throws InterruptedException { |
626 |
final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
627 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
628 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
629 |
final CountDownLatch done = new CountDownLatch(1); |
630 |
try { |
631 |
for (int i = 0; i < tasks.length; i++) { |
632 |
Runnable r = new CheckedRunnable() { |
633 |
public void realRun() throws InterruptedException { |
634 |
threadStarted.countDown(); |
635 |
done.await(); |
636 |
}}; |
637 |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
638 |
} |
639 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
640 |
BlockingQueue<Runnable> q = p.getQueue(); |
641 |
assertFalse(p.remove((Runnable)tasks[0])); |
642 |
assertTrue(q.contains((Runnable)tasks[4])); |
643 |
assertTrue(q.contains((Runnable)tasks[3])); |
644 |
assertTrue(p.remove((Runnable)tasks[4])); |
645 |
assertFalse(p.remove((Runnable)tasks[4])); |
646 |
assertFalse(q.contains((Runnable)tasks[4])); |
647 |
assertTrue(q.contains((Runnable)tasks[3])); |
648 |
assertTrue(p.remove((Runnable)tasks[3])); |
649 |
assertFalse(q.contains((Runnable)tasks[3])); |
650 |
} finally { |
651 |
done.countDown(); |
652 |
joinPool(p); |
653 |
} |
654 |
} |
655 |
|
656 |
/** |
657 |
* purge removes cancelled tasks from the queue |
658 |
*/ |
659 |
public void testPurge() throws InterruptedException { |
660 |
CustomExecutor p = new CustomExecutor(1); |
661 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
662 |
for (int i = 0; i < tasks.length; i++) |
663 |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
664 |
LONG_DELAY_MS, MILLISECONDS); |
665 |
try { |
666 |
int max = tasks.length; |
667 |
if (tasks[4].cancel(true)) --max; |
668 |
if (tasks[3].cancel(true)) --max; |
669 |
// There must eventually be an interference-free point at |
670 |
// which purge will not fail. (At worst, when queue is empty.) |
671 |
long startTime = System.nanoTime(); |
672 |
do { |
673 |
p.purge(); |
674 |
long count = p.getTaskCount(); |
675 |
if (count == max) |
676 |
return; |
677 |
} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS); |
678 |
fail("Purge failed to remove cancelled tasks"); |
679 |
} finally { |
680 |
for (ScheduledFuture task : tasks) |
681 |
task.cancel(true); |
682 |
joinPool(p); |
683 |
} |
684 |
} |
685 |
|
686 |
/** |
687 |
* shutdownNow returns a list containing tasks that were not run |
688 |
*/ |
689 |
public void testShutdownNow() { |
690 |
CustomExecutor p = new CustomExecutor(1); |
691 |
for (int i = 0; i < 5; i++) |
692 |
p.schedule(new SmallPossiblyInterruptedRunnable(), |
693 |
LONG_DELAY_MS, MILLISECONDS); |
694 |
try { |
695 |
List<Runnable> l = p.shutdownNow(); |
696 |
assertTrue(p.isShutdown()); |
697 |
assertEquals(5, l.size()); |
698 |
} catch (SecurityException ok) { |
699 |
// Allowed in case test doesn't have privs |
700 |
} finally { |
701 |
joinPool(p); |
702 |
} |
703 |
} |
704 |
|
705 |
/** |
706 |
* In default setting, shutdown cancels periodic but not delayed |
707 |
* tasks at shutdown |
708 |
*/ |
709 |
public void testShutdown1() throws InterruptedException { |
710 |
CustomExecutor p = new CustomExecutor(1); |
711 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
712 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
713 |
|
714 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
715 |
for (int i = 0; i < tasks.length; i++) |
716 |
tasks[i] = p.schedule(new NoOpRunnable(), |
717 |
SHORT_DELAY_MS, MILLISECONDS); |
718 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
719 |
BlockingQueue<Runnable> q = p.getQueue(); |
720 |
for (ScheduledFuture task : tasks) { |
721 |
assertFalse(task.isDone()); |
722 |
assertFalse(task.isCancelled()); |
723 |
assertTrue(q.contains(task)); |
724 |
} |
725 |
assertTrue(p.isShutdown()); |
726 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
727 |
assertTrue(p.isTerminated()); |
728 |
for (ScheduledFuture task : tasks) { |
729 |
assertTrue(task.isDone()); |
730 |
assertFalse(task.isCancelled()); |
731 |
} |
732 |
} |
733 |
|
734 |
/** |
735 |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
736 |
* delayed tasks are cancelled at shutdown |
737 |
*/ |
738 |
public void testShutdown2() throws InterruptedException { |
739 |
CustomExecutor p = new CustomExecutor(1); |
740 |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
741 |
assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
742 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
743 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
744 |
for (int i = 0; i < tasks.length; i++) |
745 |
tasks[i] = p.schedule(new NoOpRunnable(), |
746 |
SHORT_DELAY_MS, MILLISECONDS); |
747 |
BlockingQueue q = p.getQueue(); |
748 |
assertEquals(tasks.length, q.size()); |
749 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
750 |
assertTrue(p.isShutdown()); |
751 |
assertTrue(q.isEmpty()); |
752 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
753 |
assertTrue(p.isTerminated()); |
754 |
for (ScheduledFuture task : tasks) { |
755 |
assertTrue(task.isDone()); |
756 |
assertTrue(task.isCancelled()); |
757 |
} |
758 |
} |
759 |
|
760 |
/** |
761 |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
762 |
* periodic tasks are cancelled at shutdown |
763 |
*/ |
764 |
public void testShutdown3() throws InterruptedException { |
765 |
CustomExecutor p = new CustomExecutor(1); |
766 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
767 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
768 |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
769 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
770 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
771 |
long initialDelay = LONG_DELAY_MS; |
772 |
ScheduledFuture task = |
773 |
p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay, |
774 |
5, MILLISECONDS); |
775 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
776 |
assertTrue(p.isShutdown()); |
777 |
assertTrue(p.getQueue().isEmpty()); |
778 |
assertTrue(task.isDone()); |
779 |
assertTrue(task.isCancelled()); |
780 |
joinPool(p); |
781 |
} |
782 |
|
783 |
/** |
784 |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
785 |
* periodic tasks are not cancelled at shutdown |
786 |
*/ |
787 |
public void testShutdown4() throws InterruptedException { |
788 |
CustomExecutor p = new CustomExecutor(1); |
789 |
final CountDownLatch counter = new CountDownLatch(2); |
790 |
try { |
791 |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
792 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
793 |
assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
794 |
final Runnable r = new CheckedRunnable() { |
795 |
public void realRun() { |
796 |
counter.countDown(); |
797 |
}}; |
798 |
ScheduledFuture task = |
799 |
p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS); |
800 |
assertFalse(task.isDone()); |
801 |
assertFalse(task.isCancelled()); |
802 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
803 |
assertFalse(task.isCancelled()); |
804 |
assertFalse(p.isTerminated()); |
805 |
assertTrue(p.isShutdown()); |
806 |
assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS)); |
807 |
assertFalse(task.isCancelled()); |
808 |
assertTrue(task.cancel(false)); |
809 |
assertTrue(task.isDone()); |
810 |
assertTrue(task.isCancelled()); |
811 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
812 |
assertTrue(p.isTerminated()); |
813 |
} |
814 |
finally { |
815 |
joinPool(p); |
816 |
} |
817 |
} |
818 |
|
819 |
/** |
820 |
* completed submit of callable returns result |
821 |
*/ |
822 |
public void testSubmitCallable() throws Exception { |
823 |
ExecutorService e = new CustomExecutor(2); |
824 |
try { |
825 |
Future<String> future = e.submit(new StringTask()); |
826 |
String result = future.get(); |
827 |
assertSame(TEST_STRING, result); |
828 |
} finally { |
829 |
joinPool(e); |
830 |
} |
831 |
} |
832 |
|
833 |
/** |
834 |
* completed submit of runnable returns successfully |
835 |
*/ |
836 |
public void testSubmitRunnable() throws Exception { |
837 |
ExecutorService e = new CustomExecutor(2); |
838 |
try { |
839 |
Future<?> future = e.submit(new NoOpRunnable()); |
840 |
future.get(); |
841 |
assertTrue(future.isDone()); |
842 |
} finally { |
843 |
joinPool(e); |
844 |
} |
845 |
} |
846 |
|
847 |
/** |
848 |
* completed submit of (runnable, result) returns result |
849 |
*/ |
850 |
public void testSubmitRunnable2() throws Exception { |
851 |
ExecutorService e = new CustomExecutor(2); |
852 |
try { |
853 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
854 |
String result = future.get(); |
855 |
assertSame(TEST_STRING, result); |
856 |
} finally { |
857 |
joinPool(e); |
858 |
} |
859 |
} |
860 |
|
861 |
/** |
862 |
* invokeAny(null) throws NPE |
863 |
*/ |
864 |
public void testInvokeAny1() throws Exception { |
865 |
ExecutorService e = new CustomExecutor(2); |
866 |
try { |
867 |
e.invokeAny(null); |
868 |
shouldThrow(); |
869 |
} catch (NullPointerException success) { |
870 |
} finally { |
871 |
joinPool(e); |
872 |
} |
873 |
} |
874 |
|
875 |
/** |
876 |
* invokeAny(empty collection) throws IAE |
877 |
*/ |
878 |
public void testInvokeAny2() throws Exception { |
879 |
ExecutorService e = new CustomExecutor(2); |
880 |
try { |
881 |
e.invokeAny(new ArrayList<Callable<String>>()); |
882 |
shouldThrow(); |
883 |
} catch (IllegalArgumentException success) { |
884 |
} finally { |
885 |
joinPool(e); |
886 |
} |
887 |
} |
888 |
|
889 |
/** |
890 |
* invokeAny(c) throws NPE if c has null elements |
891 |
*/ |
892 |
public void testInvokeAny3() throws Exception { |
893 |
CountDownLatch latch = new CountDownLatch(1); |
894 |
ExecutorService e = new CustomExecutor(2); |
895 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
896 |
l.add(latchAwaitingStringTask(latch)); |
897 |
l.add(null); |
898 |
try { |
899 |
e.invokeAny(l); |
900 |
shouldThrow(); |
901 |
} catch (NullPointerException success) { |
902 |
} finally { |
903 |
latch.countDown(); |
904 |
joinPool(e); |
905 |
} |
906 |
} |
907 |
|
908 |
/** |
909 |
* invokeAny(c) throws ExecutionException if no task completes |
910 |
*/ |
911 |
public void testInvokeAny4() throws Exception { |
912 |
ExecutorService e = new CustomExecutor(2); |
913 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
914 |
l.add(new NPETask()); |
915 |
try { |
916 |
e.invokeAny(l); |
917 |
shouldThrow(); |
918 |
} catch (ExecutionException success) { |
919 |
assertTrue(success.getCause() instanceof NullPointerException); |
920 |
} finally { |
921 |
joinPool(e); |
922 |
} |
923 |
} |
924 |
|
925 |
/** |
926 |
* invokeAny(c) returns result of some task |
927 |
*/ |
928 |
public void testInvokeAny5() throws Exception { |
929 |
ExecutorService e = new CustomExecutor(2); |
930 |
try { |
931 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
932 |
l.add(new StringTask()); |
933 |
l.add(new StringTask()); |
934 |
String result = e.invokeAny(l); |
935 |
assertSame(TEST_STRING, result); |
936 |
} finally { |
937 |
joinPool(e); |
938 |
} |
939 |
} |
940 |
|
941 |
/** |
942 |
* invokeAll(null) throws NPE |
943 |
*/ |
944 |
public void testInvokeAll1() throws Exception { |
945 |
ExecutorService e = new CustomExecutor(2); |
946 |
try { |
947 |
e.invokeAll(null); |
948 |
shouldThrow(); |
949 |
} catch (NullPointerException success) { |
950 |
} finally { |
951 |
joinPool(e); |
952 |
} |
953 |
} |
954 |
|
955 |
/** |
956 |
* invokeAll(empty collection) returns empty collection |
957 |
*/ |
958 |
public void testInvokeAll2() throws Exception { |
959 |
ExecutorService e = new CustomExecutor(2); |
960 |
try { |
961 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
962 |
assertTrue(r.isEmpty()); |
963 |
} finally { |
964 |
joinPool(e); |
965 |
} |
966 |
} |
967 |
|
968 |
/** |
969 |
* invokeAll(c) throws NPE if c has null elements |
970 |
*/ |
971 |
public void testInvokeAll3() throws Exception { |
972 |
ExecutorService e = new CustomExecutor(2); |
973 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
974 |
l.add(new StringTask()); |
975 |
l.add(null); |
976 |
try { |
977 |
e.invokeAll(l); |
978 |
shouldThrow(); |
979 |
} catch (NullPointerException success) { |
980 |
} finally { |
981 |
joinPool(e); |
982 |
} |
983 |
} |
984 |
|
985 |
/** |
986 |
* get of invokeAll(c) throws exception on failed task |
987 |
*/ |
988 |
public void testInvokeAll4() throws Exception { |
989 |
ExecutorService e = new CustomExecutor(2); |
990 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
991 |
l.add(new NPETask()); |
992 |
List<Future<String>> futures = e.invokeAll(l); |
993 |
assertEquals(1, futures.size()); |
994 |
try { |
995 |
futures.get(0).get(); |
996 |
shouldThrow(); |
997 |
} catch (ExecutionException success) { |
998 |
assertTrue(success.getCause() instanceof NullPointerException); |
999 |
} finally { |
1000 |
joinPool(e); |
1001 |
} |
1002 |
} |
1003 |
|
1004 |
/** |
1005 |
* invokeAll(c) returns results of all completed tasks |
1006 |
*/ |
1007 |
public void testInvokeAll5() throws Exception { |
1008 |
ExecutorService e = new CustomExecutor(2); |
1009 |
try { |
1010 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1011 |
l.add(new StringTask()); |
1012 |
l.add(new StringTask()); |
1013 |
List<Future<String>> futures = e.invokeAll(l); |
1014 |
assertEquals(2, futures.size()); |
1015 |
for (Future<String> future : futures) |
1016 |
assertSame(TEST_STRING, future.get()); |
1017 |
} finally { |
1018 |
joinPool(e); |
1019 |
} |
1020 |
} |
1021 |
|
1022 |
/** |
1023 |
* timed invokeAny(null) throws NPE |
1024 |
*/ |
1025 |
public void testTimedInvokeAny1() throws Exception { |
1026 |
ExecutorService e = new CustomExecutor(2); |
1027 |
try { |
1028 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1029 |
shouldThrow(); |
1030 |
} catch (NullPointerException success) { |
1031 |
} finally { |
1032 |
joinPool(e); |
1033 |
} |
1034 |
} |
1035 |
|
1036 |
/** |
1037 |
* timed invokeAny(,,null) throws NPE |
1038 |
*/ |
1039 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1040 |
ExecutorService e = new CustomExecutor(2); |
1041 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1042 |
l.add(new StringTask()); |
1043 |
try { |
1044 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1045 |
shouldThrow(); |
1046 |
} catch (NullPointerException success) { |
1047 |
} finally { |
1048 |
joinPool(e); |
1049 |
} |
1050 |
} |
1051 |
|
1052 |
/** |
1053 |
* timed invokeAny(empty collection) throws IAE |
1054 |
*/ |
1055 |
public void testTimedInvokeAny2() throws Exception { |
1056 |
ExecutorService e = new CustomExecutor(2); |
1057 |
try { |
1058 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1059 |
shouldThrow(); |
1060 |
} catch (IllegalArgumentException success) { |
1061 |
} finally { |
1062 |
joinPool(e); |
1063 |
} |
1064 |
} |
1065 |
|
1066 |
/** |
1067 |
* timed invokeAny(c) throws NPE if c has null elements |
1068 |
*/ |
1069 |
public void testTimedInvokeAny3() throws Exception { |
1070 |
CountDownLatch latch = new CountDownLatch(1); |
1071 |
ExecutorService e = new CustomExecutor(2); |
1072 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1073 |
l.add(latchAwaitingStringTask(latch)); |
1074 |
l.add(null); |
1075 |
try { |
1076 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1077 |
shouldThrow(); |
1078 |
} catch (NullPointerException success) { |
1079 |
} finally { |
1080 |
latch.countDown(); |
1081 |
joinPool(e); |
1082 |
} |
1083 |
} |
1084 |
|
1085 |
/** |
1086 |
* timed invokeAny(c) throws ExecutionException if no task completes |
1087 |
*/ |
1088 |
public void testTimedInvokeAny4() throws Exception { |
1089 |
ExecutorService e = new CustomExecutor(2); |
1090 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1091 |
l.add(new NPETask()); |
1092 |
try { |
1093 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1094 |
shouldThrow(); |
1095 |
} catch (ExecutionException success) { |
1096 |
assertTrue(success.getCause() instanceof NullPointerException); |
1097 |
} finally { |
1098 |
joinPool(e); |
1099 |
} |
1100 |
} |
1101 |
|
1102 |
/** |
1103 |
* timed invokeAny(c) returns result of some task |
1104 |
*/ |
1105 |
public void testTimedInvokeAny5() throws Exception { |
1106 |
ExecutorService e = new CustomExecutor(2); |
1107 |
try { |
1108 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1109 |
l.add(new StringTask()); |
1110 |
l.add(new StringTask()); |
1111 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1112 |
assertSame(TEST_STRING, result); |
1113 |
} finally { |
1114 |
joinPool(e); |
1115 |
} |
1116 |
} |
1117 |
|
1118 |
/** |
1119 |
* timed invokeAll(null) throws NPE |
1120 |
*/ |
1121 |
public void testTimedInvokeAll1() throws Exception { |
1122 |
ExecutorService e = new CustomExecutor(2); |
1123 |
try { |
1124 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1125 |
shouldThrow(); |
1126 |
} catch (NullPointerException success) { |
1127 |
} finally { |
1128 |
joinPool(e); |
1129 |
} |
1130 |
} |
1131 |
|
1132 |
/** |
1133 |
* timed invokeAll(,,null) throws NPE |
1134 |
*/ |
1135 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1136 |
ExecutorService e = new CustomExecutor(2); |
1137 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1138 |
l.add(new StringTask()); |
1139 |
try { |
1140 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1141 |
shouldThrow(); |
1142 |
} catch (NullPointerException success) { |
1143 |
} finally { |
1144 |
joinPool(e); |
1145 |
} |
1146 |
} |
1147 |
|
1148 |
/** |
1149 |
* timed invokeAll(empty collection) returns empty collection |
1150 |
*/ |
1151 |
public void testTimedInvokeAll2() throws Exception { |
1152 |
ExecutorService e = new CustomExecutor(2); |
1153 |
try { |
1154 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1155 |
assertTrue(r.isEmpty()); |
1156 |
} finally { |
1157 |
joinPool(e); |
1158 |
} |
1159 |
} |
1160 |
|
1161 |
/** |
1162 |
* timed invokeAll(c) throws NPE if c has null elements |
1163 |
*/ |
1164 |
public void testTimedInvokeAll3() throws Exception { |
1165 |
ExecutorService e = new CustomExecutor(2); |
1166 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1167 |
l.add(new StringTask()); |
1168 |
l.add(null); |
1169 |
try { |
1170 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1171 |
shouldThrow(); |
1172 |
} catch (NullPointerException success) { |
1173 |
} finally { |
1174 |
joinPool(e); |
1175 |
} |
1176 |
} |
1177 |
|
1178 |
/** |
1179 |
* get of element of invokeAll(c) throws exception on failed task |
1180 |
*/ |
1181 |
public void testTimedInvokeAll4() throws Exception { |
1182 |
ExecutorService e = new CustomExecutor(2); |
1183 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1184 |
l.add(new NPETask()); |
1185 |
List<Future<String>> futures = |
1186 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1187 |
assertEquals(1, futures.size()); |
1188 |
try { |
1189 |
futures.get(0).get(); |
1190 |
shouldThrow(); |
1191 |
} catch (ExecutionException success) { |
1192 |
assertTrue(success.getCause() instanceof NullPointerException); |
1193 |
} finally { |
1194 |
joinPool(e); |
1195 |
} |
1196 |
} |
1197 |
|
1198 |
/** |
1199 |
* timed invokeAll(c) returns results of all completed tasks |
1200 |
*/ |
1201 |
public void testTimedInvokeAll5() throws Exception { |
1202 |
ExecutorService e = new CustomExecutor(2); |
1203 |
try { |
1204 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1205 |
l.add(new StringTask()); |
1206 |
l.add(new StringTask()); |
1207 |
List<Future<String>> futures = |
1208 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1209 |
assertEquals(2, futures.size()); |
1210 |
for (Future<String> future : futures) |
1211 |
assertSame(TEST_STRING, future.get()); |
1212 |
} finally { |
1213 |
joinPool(e); |
1214 |
} |
1215 |
} |
1216 |
|
1217 |
/** |
1218 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1219 |
*/ |
1220 |
public void testTimedInvokeAll6() throws Exception { |
1221 |
ExecutorService e = new CustomExecutor(2); |
1222 |
try { |
1223 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1224 |
l.add(new StringTask()); |
1225 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1226 |
l.add(new StringTask()); |
1227 |
List<Future<String>> futures = |
1228 |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1229 |
assertEquals(l.size(), futures.size()); |
1230 |
for (Future future : futures) |
1231 |
assertTrue(future.isDone()); |
1232 |
assertFalse(futures.get(0).isCancelled()); |
1233 |
assertTrue(futures.get(1).isCancelled()); |
1234 |
} finally { |
1235 |
joinPool(e); |
1236 |
} |
1237 |
} |
1238 |
|
1239 |
} |