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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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CheckedRunnable task = new CheckedRunnable() { |
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public void realRun() { done.countDown(); }}; |
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|
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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 { |
216 |
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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CheckedRunnable task = new CheckedRunnable() { |
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public void realRun() { done.countDown(); }}; |
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|
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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); |
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} |
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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 |
263 |
*/ |
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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 |
276 |
*/ |
277 |
public void testSchedule1_RejectedExecutionException() { |
278 |
CustomExecutor se = new CustomExecutor(1); |
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try { |
280 |
se.shutdown(); |
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se.schedule(new NoOpRunnable(), |
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MEDIUM_DELAY_MS, MILLISECONDS); |
283 |
shouldThrow(); |
284 |
} catch (RejectedExecutionException success) { |
285 |
} catch (SecurityException ok) { |
286 |
} |
287 |
|
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joinPool(se); |
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} |
290 |
|
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/** |
292 |
* schedule throws RejectedExecutionException if shutdown |
293 |
*/ |
294 |
public void testSchedule2_RejectedExecutionException() { |
295 |
CustomExecutor se = new CustomExecutor(1); |
296 |
try { |
297 |
se.shutdown(); |
298 |
se.schedule(new NoOpCallable(), |
299 |
MEDIUM_DELAY_MS, MILLISECONDS); |
300 |
shouldThrow(); |
301 |
} catch (RejectedExecutionException success) { |
302 |
} catch (SecurityException ok) { |
303 |
} |
304 |
joinPool(se); |
305 |
} |
306 |
|
307 |
/** |
308 |
* schedule callable throws RejectedExecutionException if shutdown |
309 |
*/ |
310 |
public void testSchedule3_RejectedExecutionException() { |
311 |
CustomExecutor se = new CustomExecutor(1); |
312 |
try { |
313 |
se.shutdown(); |
314 |
se.schedule(new NoOpCallable(), |
315 |
MEDIUM_DELAY_MS, MILLISECONDS); |
316 |
shouldThrow(); |
317 |
} catch (RejectedExecutionException success) { |
318 |
} catch (SecurityException ok) { |
319 |
} |
320 |
joinPool(se); |
321 |
} |
322 |
|
323 |
/** |
324 |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
325 |
*/ |
326 |
public void testScheduleAtFixedRate1_RejectedExecutionException() { |
327 |
CustomExecutor se = new CustomExecutor(1); |
328 |
try { |
329 |
se.shutdown(); |
330 |
se.scheduleAtFixedRate(new NoOpRunnable(), |
331 |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
332 |
shouldThrow(); |
333 |
} catch (RejectedExecutionException success) { |
334 |
} catch (SecurityException ok) { |
335 |
} |
336 |
joinPool(se); |
337 |
} |
338 |
|
339 |
/** |
340 |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
341 |
*/ |
342 |
public void testScheduleWithFixedDelay1_RejectedExecutionException() { |
343 |
CustomExecutor se = new CustomExecutor(1); |
344 |
try { |
345 |
se.shutdown(); |
346 |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
347 |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
348 |
shouldThrow(); |
349 |
} catch (RejectedExecutionException success) { |
350 |
} catch (SecurityException ok) { |
351 |
} |
352 |
joinPool(se); |
353 |
} |
354 |
|
355 |
/** |
356 |
* getActiveCount increases but doesn't overestimate, when a |
357 |
* thread becomes active |
358 |
*/ |
359 |
public void testGetActiveCount() throws InterruptedException { |
360 |
final ThreadPoolExecutor p = new CustomExecutor(2); |
361 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
362 |
final CountDownLatch done = new CountDownLatch(1); |
363 |
try { |
364 |
assertEquals(0, p.getActiveCount()); |
365 |
p.execute(new CheckedRunnable() { |
366 |
public void realRun() throws InterruptedException { |
367 |
threadStarted.countDown(); |
368 |
assertEquals(1, p.getActiveCount()); |
369 |
done.await(); |
370 |
}}); |
371 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
372 |
assertEquals(1, p.getActiveCount()); |
373 |
} finally { |
374 |
done.countDown(); |
375 |
joinPool(p); |
376 |
} |
377 |
} |
378 |
|
379 |
/** |
380 |
* getCompletedTaskCount increases, but doesn't overestimate, |
381 |
* when tasks complete |
382 |
*/ |
383 |
public void testGetCompletedTaskCount() throws InterruptedException { |
384 |
final ThreadPoolExecutor p = new CustomExecutor(2); |
385 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
386 |
final CountDownLatch threadProceed = new CountDownLatch(1); |
387 |
final CountDownLatch threadDone = new CountDownLatch(1); |
388 |
try { |
389 |
assertEquals(0, p.getCompletedTaskCount()); |
390 |
p.execute(new CheckedRunnable() { |
391 |
public void realRun() throws InterruptedException { |
392 |
threadStarted.countDown(); |
393 |
assertEquals(0, p.getCompletedTaskCount()); |
394 |
threadProceed.await(); |
395 |
threadDone.countDown(); |
396 |
}}); |
397 |
await(threadStarted); |
398 |
assertEquals(0, p.getCompletedTaskCount()); |
399 |
threadProceed.countDown(); |
400 |
threadDone.await(); |
401 |
long startTime = System.nanoTime(); |
402 |
while (p.getCompletedTaskCount() != 1) { |
403 |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
404 |
fail("timed out"); |
405 |
Thread.yield(); |
406 |
} |
407 |
} finally { |
408 |
joinPool(p); |
409 |
} |
410 |
} |
411 |
|
412 |
/** |
413 |
* getCorePoolSize returns size given in constructor if not otherwise set |
414 |
*/ |
415 |
public void testGetCorePoolSize() { |
416 |
CustomExecutor p = new CustomExecutor(1); |
417 |
assertEquals(1, p.getCorePoolSize()); |
418 |
joinPool(p); |
419 |
} |
420 |
|
421 |
/** |
422 |
* getLargestPoolSize increases, but doesn't overestimate, when |
423 |
* multiple threads active |
424 |
*/ |
425 |
public void testGetLargestPoolSize() throws InterruptedException { |
426 |
final int THREADS = 3; |
427 |
final ThreadPoolExecutor p = new CustomExecutor(THREADS); |
428 |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
429 |
final CountDownLatch done = new CountDownLatch(1); |
430 |
try { |
431 |
assertEquals(0, p.getLargestPoolSize()); |
432 |
for (int i = 0; i < THREADS; i++) |
433 |
p.execute(new CheckedRunnable() { |
434 |
public void realRun() throws InterruptedException { |
435 |
threadsStarted.countDown(); |
436 |
done.await(); |
437 |
assertEquals(THREADS, p.getLargestPoolSize()); |
438 |
}}); |
439 |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
440 |
assertEquals(THREADS, p.getLargestPoolSize()); |
441 |
} finally { |
442 |
done.countDown(); |
443 |
joinPool(p); |
444 |
assertEquals(THREADS, p.getLargestPoolSize()); |
445 |
} |
446 |
} |
447 |
|
448 |
/** |
449 |
* getPoolSize increases, but doesn't overestimate, when threads |
450 |
* become active |
451 |
*/ |
452 |
public void testGetPoolSize() throws InterruptedException { |
453 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
454 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
455 |
final CountDownLatch done = new CountDownLatch(1); |
456 |
try { |
457 |
assertEquals(0, p.getPoolSize()); |
458 |
p.execute(new CheckedRunnable() { |
459 |
public void realRun() throws InterruptedException { |
460 |
threadStarted.countDown(); |
461 |
assertEquals(1, p.getPoolSize()); |
462 |
done.await(); |
463 |
}}); |
464 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
465 |
assertEquals(1, p.getPoolSize()); |
466 |
} finally { |
467 |
done.countDown(); |
468 |
joinPool(p); |
469 |
} |
470 |
} |
471 |
|
472 |
/** |
473 |
* getTaskCount increases, but doesn't overestimate, when tasks |
474 |
* submitted |
475 |
*/ |
476 |
public void testGetTaskCount() throws InterruptedException { |
477 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
478 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
479 |
final CountDownLatch done = new CountDownLatch(1); |
480 |
final int TASKS = 5; |
481 |
try { |
482 |
assertEquals(0, p.getTaskCount()); |
483 |
for (int i = 0; i < TASKS; i++) |
484 |
p.execute(new CheckedRunnable() { |
485 |
public void realRun() throws InterruptedException { |
486 |
threadStarted.countDown(); |
487 |
done.await(); |
488 |
}}); |
489 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
490 |
assertEquals(TASKS, p.getTaskCount()); |
491 |
} finally { |
492 |
done.countDown(); |
493 |
joinPool(p); |
494 |
} |
495 |
} |
496 |
|
497 |
/** |
498 |
* getThreadFactory returns factory in constructor if not set |
499 |
*/ |
500 |
public void testGetThreadFactory() { |
501 |
ThreadFactory tf = new SimpleThreadFactory(); |
502 |
CustomExecutor p = new CustomExecutor(1, tf); |
503 |
assertSame(tf, p.getThreadFactory()); |
504 |
joinPool(p); |
505 |
} |
506 |
|
507 |
/** |
508 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
509 |
*/ |
510 |
public void testSetThreadFactory() { |
511 |
ThreadFactory tf = new SimpleThreadFactory(); |
512 |
CustomExecutor p = new CustomExecutor(1); |
513 |
p.setThreadFactory(tf); |
514 |
assertSame(tf, p.getThreadFactory()); |
515 |
joinPool(p); |
516 |
} |
517 |
|
518 |
/** |
519 |
* setThreadFactory(null) throws NPE |
520 |
*/ |
521 |
public void testSetThreadFactoryNull() { |
522 |
CustomExecutor p = new CustomExecutor(1); |
523 |
try { |
524 |
p.setThreadFactory(null); |
525 |
shouldThrow(); |
526 |
} catch (NullPointerException success) { |
527 |
} finally { |
528 |
joinPool(p); |
529 |
} |
530 |
} |
531 |
|
532 |
/** |
533 |
* isShutdown is false before shutdown, true after |
534 |
*/ |
535 |
public void testIsShutdown() { |
536 |
CustomExecutor p = new CustomExecutor(1); |
537 |
try { |
538 |
assertFalse(p.isShutdown()); |
539 |
} |
540 |
finally { |
541 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
542 |
} |
543 |
assertTrue(p.isShutdown()); |
544 |
} |
545 |
|
546 |
/** |
547 |
* isTerminated is false before termination, true after |
548 |
*/ |
549 |
public void testIsTerminated() throws InterruptedException { |
550 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
551 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
552 |
final CountDownLatch done = new CountDownLatch(1); |
553 |
assertFalse(p.isTerminated()); |
554 |
try { |
555 |
p.execute(new CheckedRunnable() { |
556 |
public void realRun() throws InterruptedException { |
557 |
assertFalse(p.isTerminated()); |
558 |
threadStarted.countDown(); |
559 |
done.await(); |
560 |
}}); |
561 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
562 |
assertFalse(p.isTerminating()); |
563 |
done.countDown(); |
564 |
} finally { |
565 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
566 |
} |
567 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
568 |
assertTrue(p.isTerminated()); |
569 |
} |
570 |
|
571 |
/** |
572 |
* isTerminating is not true when running or when terminated |
573 |
*/ |
574 |
public void testIsTerminating() throws InterruptedException { |
575 |
final ThreadPoolExecutor p = new CustomExecutor(1); |
576 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
577 |
final CountDownLatch done = new CountDownLatch(1); |
578 |
try { |
579 |
assertFalse(p.isTerminating()); |
580 |
p.execute(new CheckedRunnable() { |
581 |
public void realRun() throws InterruptedException { |
582 |
assertFalse(p.isTerminating()); |
583 |
threadStarted.countDown(); |
584 |
done.await(); |
585 |
}}); |
586 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
587 |
assertFalse(p.isTerminating()); |
588 |
done.countDown(); |
589 |
} finally { |
590 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
591 |
} |
592 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
593 |
assertTrue(p.isTerminated()); |
594 |
assertFalse(p.isTerminating()); |
595 |
} |
596 |
|
597 |
/** |
598 |
* getQueue returns the work queue, which contains queued tasks |
599 |
*/ |
600 |
public void testGetQueue() throws InterruptedException { |
601 |
ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
602 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
603 |
final CountDownLatch done = new CountDownLatch(1); |
604 |
try { |
605 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
606 |
for (int i = 0; i < tasks.length; i++) { |
607 |
Runnable r = new CheckedRunnable() { |
608 |
public void realRun() throws InterruptedException { |
609 |
threadStarted.countDown(); |
610 |
done.await(); |
611 |
}}; |
612 |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
613 |
} |
614 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
615 |
BlockingQueue<Runnable> q = p.getQueue(); |
616 |
assertTrue(q.contains(tasks[tasks.length - 1])); |
617 |
assertFalse(q.contains(tasks[0])); |
618 |
} finally { |
619 |
done.countDown(); |
620 |
joinPool(p); |
621 |
} |
622 |
} |
623 |
|
624 |
/** |
625 |
* remove(task) removes queued task, and fails to remove active task |
626 |
*/ |
627 |
public void testRemove() throws InterruptedException { |
628 |
final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
629 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
630 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
631 |
final CountDownLatch done = new CountDownLatch(1); |
632 |
try { |
633 |
for (int i = 0; i < tasks.length; i++) { |
634 |
Runnable r = new CheckedRunnable() { |
635 |
public void realRun() throws InterruptedException { |
636 |
threadStarted.countDown(); |
637 |
done.await(); |
638 |
}}; |
639 |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
640 |
} |
641 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
642 |
BlockingQueue<Runnable> q = p.getQueue(); |
643 |
assertFalse(p.remove((Runnable)tasks[0])); |
644 |
assertTrue(q.contains((Runnable)tasks[4])); |
645 |
assertTrue(q.contains((Runnable)tasks[3])); |
646 |
assertTrue(p.remove((Runnable)tasks[4])); |
647 |
assertFalse(p.remove((Runnable)tasks[4])); |
648 |
assertFalse(q.contains((Runnable)tasks[4])); |
649 |
assertTrue(q.contains((Runnable)tasks[3])); |
650 |
assertTrue(p.remove((Runnable)tasks[3])); |
651 |
assertFalse(q.contains((Runnable)tasks[3])); |
652 |
} finally { |
653 |
done.countDown(); |
654 |
joinPool(p); |
655 |
} |
656 |
} |
657 |
|
658 |
/** |
659 |
* purge removes cancelled tasks from the queue |
660 |
*/ |
661 |
public void testPurge() throws InterruptedException { |
662 |
CustomExecutor p = new CustomExecutor(1); |
663 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
664 |
for (int i = 0; i < tasks.length; i++) |
665 |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
666 |
LONG_DELAY_MS, MILLISECONDS); |
667 |
try { |
668 |
int max = tasks.length; |
669 |
if (tasks[4].cancel(true)) --max; |
670 |
if (tasks[3].cancel(true)) --max; |
671 |
// There must eventually be an interference-free point at |
672 |
// which purge will not fail. (At worst, when queue is empty.) |
673 |
long startTime = System.nanoTime(); |
674 |
do { |
675 |
p.purge(); |
676 |
long count = p.getTaskCount(); |
677 |
if (count == max) |
678 |
return; |
679 |
} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS); |
680 |
fail("Purge failed to remove cancelled tasks"); |
681 |
} finally { |
682 |
for (ScheduledFuture task : tasks) |
683 |
task.cancel(true); |
684 |
joinPool(p); |
685 |
} |
686 |
} |
687 |
|
688 |
/** |
689 |
* shutdownNow returns a list containing tasks that were not run |
690 |
*/ |
691 |
public void testShutdownNow() { |
692 |
CustomExecutor p = new CustomExecutor(1); |
693 |
for (int i = 0; i < 5; i++) |
694 |
p.schedule(new SmallPossiblyInterruptedRunnable(), |
695 |
LONG_DELAY_MS, MILLISECONDS); |
696 |
try { |
697 |
List<Runnable> l = p.shutdownNow(); |
698 |
assertTrue(p.isShutdown()); |
699 |
assertEquals(5, l.size()); |
700 |
} catch (SecurityException ok) { |
701 |
// Allowed in case test doesn't have privs |
702 |
} finally { |
703 |
joinPool(p); |
704 |
} |
705 |
} |
706 |
|
707 |
/** |
708 |
* In default setting, shutdown cancels periodic but not delayed |
709 |
* tasks at shutdown |
710 |
*/ |
711 |
public void testShutdown1() throws InterruptedException { |
712 |
CustomExecutor p = new CustomExecutor(1); |
713 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
714 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
715 |
|
716 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
717 |
for (int i = 0; i < tasks.length; i++) |
718 |
tasks[i] = p.schedule(new NoOpRunnable(), |
719 |
SHORT_DELAY_MS, MILLISECONDS); |
720 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
721 |
BlockingQueue<Runnable> q = p.getQueue(); |
722 |
for (ScheduledFuture task : tasks) { |
723 |
assertFalse(task.isDone()); |
724 |
assertFalse(task.isCancelled()); |
725 |
assertTrue(q.contains(task)); |
726 |
} |
727 |
assertTrue(p.isShutdown()); |
728 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
729 |
assertTrue(p.isTerminated()); |
730 |
for (ScheduledFuture task : tasks) { |
731 |
assertTrue(task.isDone()); |
732 |
assertFalse(task.isCancelled()); |
733 |
} |
734 |
} |
735 |
|
736 |
/** |
737 |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
738 |
* delayed tasks are cancelled at shutdown |
739 |
*/ |
740 |
public void testShutdown2() throws InterruptedException { |
741 |
CustomExecutor p = new CustomExecutor(1); |
742 |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
743 |
assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
744 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
745 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
746 |
for (int i = 0; i < tasks.length; i++) |
747 |
tasks[i] = p.schedule(new NoOpRunnable(), |
748 |
SHORT_DELAY_MS, MILLISECONDS); |
749 |
BlockingQueue q = p.getQueue(); |
750 |
assertEquals(tasks.length, q.size()); |
751 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
752 |
assertTrue(p.isShutdown()); |
753 |
assertTrue(q.isEmpty()); |
754 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
755 |
assertTrue(p.isTerminated()); |
756 |
for (ScheduledFuture task : tasks) { |
757 |
assertTrue(task.isDone()); |
758 |
assertTrue(task.isCancelled()); |
759 |
} |
760 |
} |
761 |
|
762 |
/** |
763 |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
764 |
* periodic tasks are cancelled at shutdown |
765 |
*/ |
766 |
public void testShutdown3() throws InterruptedException { |
767 |
CustomExecutor p = new CustomExecutor(1); |
768 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
769 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
770 |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
771 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
772 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
773 |
long initialDelay = LONG_DELAY_MS; |
774 |
ScheduledFuture task = |
775 |
p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay, |
776 |
5, MILLISECONDS); |
777 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
778 |
assertTrue(p.isShutdown()); |
779 |
assertTrue(p.getQueue().isEmpty()); |
780 |
assertTrue(task.isDone()); |
781 |
assertTrue(task.isCancelled()); |
782 |
joinPool(p); |
783 |
} |
784 |
|
785 |
/** |
786 |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
787 |
* periodic tasks are not cancelled at shutdown |
788 |
*/ |
789 |
public void testShutdown4() throws InterruptedException { |
790 |
CustomExecutor p = new CustomExecutor(1); |
791 |
final CountDownLatch counter = new CountDownLatch(2); |
792 |
try { |
793 |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
794 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
795 |
assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
796 |
final Runnable r = new CheckedRunnable() { |
797 |
public void realRun() { |
798 |
counter.countDown(); |
799 |
}}; |
800 |
ScheduledFuture task = |
801 |
p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS); |
802 |
assertFalse(task.isDone()); |
803 |
assertFalse(task.isCancelled()); |
804 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
805 |
assertFalse(task.isCancelled()); |
806 |
assertFalse(p.isTerminated()); |
807 |
assertTrue(p.isShutdown()); |
808 |
assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS)); |
809 |
assertFalse(task.isCancelled()); |
810 |
assertTrue(task.cancel(false)); |
811 |
assertTrue(task.isDone()); |
812 |
assertTrue(task.isCancelled()); |
813 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
814 |
assertTrue(p.isTerminated()); |
815 |
} |
816 |
finally { |
817 |
joinPool(p); |
818 |
} |
819 |
} |
820 |
|
821 |
/** |
822 |
* completed submit of callable returns result |
823 |
*/ |
824 |
public void testSubmitCallable() throws Exception { |
825 |
ExecutorService e = new CustomExecutor(2); |
826 |
try { |
827 |
Future<String> future = e.submit(new StringTask()); |
828 |
String result = future.get(); |
829 |
assertSame(TEST_STRING, result); |
830 |
} finally { |
831 |
joinPool(e); |
832 |
} |
833 |
} |
834 |
|
835 |
/** |
836 |
* completed submit of runnable returns successfully |
837 |
*/ |
838 |
public void testSubmitRunnable() throws Exception { |
839 |
ExecutorService e = new CustomExecutor(2); |
840 |
try { |
841 |
Future<?> future = e.submit(new NoOpRunnable()); |
842 |
future.get(); |
843 |
assertTrue(future.isDone()); |
844 |
} finally { |
845 |
joinPool(e); |
846 |
} |
847 |
} |
848 |
|
849 |
/** |
850 |
* completed submit of (runnable, result) returns result |
851 |
*/ |
852 |
public void testSubmitRunnable2() throws Exception { |
853 |
ExecutorService e = new CustomExecutor(2); |
854 |
try { |
855 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
856 |
String result = future.get(); |
857 |
assertSame(TEST_STRING, result); |
858 |
} finally { |
859 |
joinPool(e); |
860 |
} |
861 |
} |
862 |
|
863 |
/** |
864 |
* invokeAny(null) throws NPE |
865 |
*/ |
866 |
public void testInvokeAny1() throws Exception { |
867 |
ExecutorService e = new CustomExecutor(2); |
868 |
try { |
869 |
e.invokeAny(null); |
870 |
shouldThrow(); |
871 |
} catch (NullPointerException success) { |
872 |
} finally { |
873 |
joinPool(e); |
874 |
} |
875 |
} |
876 |
|
877 |
/** |
878 |
* invokeAny(empty collection) throws IAE |
879 |
*/ |
880 |
public void testInvokeAny2() throws Exception { |
881 |
ExecutorService e = new CustomExecutor(2); |
882 |
try { |
883 |
e.invokeAny(new ArrayList<Callable<String>>()); |
884 |
shouldThrow(); |
885 |
} catch (IllegalArgumentException success) { |
886 |
} finally { |
887 |
joinPool(e); |
888 |
} |
889 |
} |
890 |
|
891 |
/** |
892 |
* invokeAny(c) throws NPE if c has null elements |
893 |
*/ |
894 |
public void testInvokeAny3() throws Exception { |
895 |
CountDownLatch latch = new CountDownLatch(1); |
896 |
ExecutorService e = new CustomExecutor(2); |
897 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
898 |
l.add(latchAwaitingStringTask(latch)); |
899 |
l.add(null); |
900 |
try { |
901 |
e.invokeAny(l); |
902 |
shouldThrow(); |
903 |
} catch (NullPointerException success) { |
904 |
} finally { |
905 |
latch.countDown(); |
906 |
joinPool(e); |
907 |
} |
908 |
} |
909 |
|
910 |
/** |
911 |
* invokeAny(c) throws ExecutionException if no task completes |
912 |
*/ |
913 |
public void testInvokeAny4() throws Exception { |
914 |
ExecutorService e = new CustomExecutor(2); |
915 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
916 |
l.add(new NPETask()); |
917 |
try { |
918 |
e.invokeAny(l); |
919 |
shouldThrow(); |
920 |
} catch (ExecutionException success) { |
921 |
assertTrue(success.getCause() instanceof NullPointerException); |
922 |
} finally { |
923 |
joinPool(e); |
924 |
} |
925 |
} |
926 |
|
927 |
/** |
928 |
* invokeAny(c) returns result of some task |
929 |
*/ |
930 |
public void testInvokeAny5() throws Exception { |
931 |
ExecutorService e = new CustomExecutor(2); |
932 |
try { |
933 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
934 |
l.add(new StringTask()); |
935 |
l.add(new StringTask()); |
936 |
String result = e.invokeAny(l); |
937 |
assertSame(TEST_STRING, result); |
938 |
} finally { |
939 |
joinPool(e); |
940 |
} |
941 |
} |
942 |
|
943 |
/** |
944 |
* invokeAll(null) throws NPE |
945 |
*/ |
946 |
public void testInvokeAll1() throws Exception { |
947 |
ExecutorService e = new CustomExecutor(2); |
948 |
try { |
949 |
e.invokeAll(null); |
950 |
shouldThrow(); |
951 |
} catch (NullPointerException success) { |
952 |
} finally { |
953 |
joinPool(e); |
954 |
} |
955 |
} |
956 |
|
957 |
/** |
958 |
* invokeAll(empty collection) returns empty collection |
959 |
*/ |
960 |
public void testInvokeAll2() throws Exception { |
961 |
ExecutorService e = new CustomExecutor(2); |
962 |
try { |
963 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
964 |
assertTrue(r.isEmpty()); |
965 |
} finally { |
966 |
joinPool(e); |
967 |
} |
968 |
} |
969 |
|
970 |
/** |
971 |
* invokeAll(c) throws NPE if c has null elements |
972 |
*/ |
973 |
public void testInvokeAll3() throws Exception { |
974 |
ExecutorService e = new CustomExecutor(2); |
975 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
976 |
l.add(new StringTask()); |
977 |
l.add(null); |
978 |
try { |
979 |
e.invokeAll(l); |
980 |
shouldThrow(); |
981 |
} catch (NullPointerException success) { |
982 |
} finally { |
983 |
joinPool(e); |
984 |
} |
985 |
} |
986 |
|
987 |
/** |
988 |
* get of invokeAll(c) throws exception on failed task |
989 |
*/ |
990 |
public void testInvokeAll4() throws Exception { |
991 |
ExecutorService e = new CustomExecutor(2); |
992 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
993 |
l.add(new NPETask()); |
994 |
List<Future<String>> futures = e.invokeAll(l); |
995 |
assertEquals(1, futures.size()); |
996 |
try { |
997 |
futures.get(0).get(); |
998 |
shouldThrow(); |
999 |
} catch (ExecutionException success) { |
1000 |
assertTrue(success.getCause() instanceof NullPointerException); |
1001 |
} finally { |
1002 |
joinPool(e); |
1003 |
} |
1004 |
} |
1005 |
|
1006 |
/** |
1007 |
* invokeAll(c) returns results of all completed tasks |
1008 |
*/ |
1009 |
public void testInvokeAll5() throws Exception { |
1010 |
ExecutorService e = new CustomExecutor(2); |
1011 |
try { |
1012 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1013 |
l.add(new StringTask()); |
1014 |
l.add(new StringTask()); |
1015 |
List<Future<String>> futures = e.invokeAll(l); |
1016 |
assertEquals(2, futures.size()); |
1017 |
for (Future<String> future : futures) |
1018 |
assertSame(TEST_STRING, future.get()); |
1019 |
} finally { |
1020 |
joinPool(e); |
1021 |
} |
1022 |
} |
1023 |
|
1024 |
/** |
1025 |
* timed invokeAny(null) throws NPE |
1026 |
*/ |
1027 |
public void testTimedInvokeAny1() throws Exception { |
1028 |
ExecutorService e = new CustomExecutor(2); |
1029 |
try { |
1030 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1031 |
shouldThrow(); |
1032 |
} catch (NullPointerException success) { |
1033 |
} finally { |
1034 |
joinPool(e); |
1035 |
} |
1036 |
} |
1037 |
|
1038 |
/** |
1039 |
* timed invokeAny(,,null) throws NPE |
1040 |
*/ |
1041 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1042 |
ExecutorService e = new CustomExecutor(2); |
1043 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1044 |
l.add(new StringTask()); |
1045 |
try { |
1046 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1047 |
shouldThrow(); |
1048 |
} catch (NullPointerException success) { |
1049 |
} finally { |
1050 |
joinPool(e); |
1051 |
} |
1052 |
} |
1053 |
|
1054 |
/** |
1055 |
* timed invokeAny(empty collection) throws IAE |
1056 |
*/ |
1057 |
public void testTimedInvokeAny2() throws Exception { |
1058 |
ExecutorService e = new CustomExecutor(2); |
1059 |
try { |
1060 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1061 |
shouldThrow(); |
1062 |
} catch (IllegalArgumentException success) { |
1063 |
} finally { |
1064 |
joinPool(e); |
1065 |
} |
1066 |
} |
1067 |
|
1068 |
/** |
1069 |
* timed invokeAny(c) throws NPE if c has null elements |
1070 |
*/ |
1071 |
public void testTimedInvokeAny3() throws Exception { |
1072 |
CountDownLatch latch = new CountDownLatch(1); |
1073 |
ExecutorService e = new CustomExecutor(2); |
1074 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1075 |
l.add(latchAwaitingStringTask(latch)); |
1076 |
l.add(null); |
1077 |
try { |
1078 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1079 |
shouldThrow(); |
1080 |
} catch (NullPointerException success) { |
1081 |
} finally { |
1082 |
latch.countDown(); |
1083 |
joinPool(e); |
1084 |
} |
1085 |
} |
1086 |
|
1087 |
/** |
1088 |
* timed invokeAny(c) throws ExecutionException if no task completes |
1089 |
*/ |
1090 |
public void testTimedInvokeAny4() throws Exception { |
1091 |
ExecutorService e = new CustomExecutor(2); |
1092 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1093 |
l.add(new NPETask()); |
1094 |
try { |
1095 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1096 |
shouldThrow(); |
1097 |
} catch (ExecutionException success) { |
1098 |
assertTrue(success.getCause() instanceof NullPointerException); |
1099 |
} finally { |
1100 |
joinPool(e); |
1101 |
} |
1102 |
} |
1103 |
|
1104 |
/** |
1105 |
* timed invokeAny(c) returns result of some task |
1106 |
*/ |
1107 |
public void testTimedInvokeAny5() throws Exception { |
1108 |
ExecutorService e = new CustomExecutor(2); |
1109 |
try { |
1110 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1111 |
l.add(new StringTask()); |
1112 |
l.add(new StringTask()); |
1113 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1114 |
assertSame(TEST_STRING, result); |
1115 |
} finally { |
1116 |
joinPool(e); |
1117 |
} |
1118 |
} |
1119 |
|
1120 |
/** |
1121 |
* timed invokeAll(null) throws NPE |
1122 |
*/ |
1123 |
public void testTimedInvokeAll1() throws Exception { |
1124 |
ExecutorService e = new CustomExecutor(2); |
1125 |
try { |
1126 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1127 |
shouldThrow(); |
1128 |
} catch (NullPointerException success) { |
1129 |
} finally { |
1130 |
joinPool(e); |
1131 |
} |
1132 |
} |
1133 |
|
1134 |
/** |
1135 |
* timed invokeAll(,,null) throws NPE |
1136 |
*/ |
1137 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1138 |
ExecutorService e = new CustomExecutor(2); |
1139 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1140 |
l.add(new StringTask()); |
1141 |
try { |
1142 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1143 |
shouldThrow(); |
1144 |
} catch (NullPointerException success) { |
1145 |
} finally { |
1146 |
joinPool(e); |
1147 |
} |
1148 |
} |
1149 |
|
1150 |
/** |
1151 |
* timed invokeAll(empty collection) returns empty collection |
1152 |
*/ |
1153 |
public void testTimedInvokeAll2() throws Exception { |
1154 |
ExecutorService e = new CustomExecutor(2); |
1155 |
try { |
1156 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1157 |
assertTrue(r.isEmpty()); |
1158 |
} finally { |
1159 |
joinPool(e); |
1160 |
} |
1161 |
} |
1162 |
|
1163 |
/** |
1164 |
* timed invokeAll(c) throws NPE if c has null elements |
1165 |
*/ |
1166 |
public void testTimedInvokeAll3() throws Exception { |
1167 |
ExecutorService e = new CustomExecutor(2); |
1168 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1169 |
l.add(new StringTask()); |
1170 |
l.add(null); |
1171 |
try { |
1172 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1173 |
shouldThrow(); |
1174 |
} catch (NullPointerException success) { |
1175 |
} finally { |
1176 |
joinPool(e); |
1177 |
} |
1178 |
} |
1179 |
|
1180 |
/** |
1181 |
* get of element of invokeAll(c) throws exception on failed task |
1182 |
*/ |
1183 |
public void testTimedInvokeAll4() throws Exception { |
1184 |
ExecutorService e = new CustomExecutor(2); |
1185 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1186 |
l.add(new NPETask()); |
1187 |
List<Future<String>> futures = |
1188 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1189 |
assertEquals(1, futures.size()); |
1190 |
try { |
1191 |
futures.get(0).get(); |
1192 |
shouldThrow(); |
1193 |
} catch (ExecutionException success) { |
1194 |
assertTrue(success.getCause() instanceof NullPointerException); |
1195 |
} finally { |
1196 |
joinPool(e); |
1197 |
} |
1198 |
} |
1199 |
|
1200 |
/** |
1201 |
* timed invokeAll(c) returns results of all completed tasks |
1202 |
*/ |
1203 |
public void testTimedInvokeAll5() throws Exception { |
1204 |
ExecutorService e = new CustomExecutor(2); |
1205 |
try { |
1206 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1207 |
l.add(new StringTask()); |
1208 |
l.add(new StringTask()); |
1209 |
List<Future<String>> futures = |
1210 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1211 |
assertEquals(2, futures.size()); |
1212 |
for (Future<String> future : futures) |
1213 |
assertSame(TEST_STRING, future.get()); |
1214 |
} finally { |
1215 |
joinPool(e); |
1216 |
} |
1217 |
} |
1218 |
|
1219 |
/** |
1220 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1221 |
*/ |
1222 |
public void testTimedInvokeAll6() throws Exception { |
1223 |
ExecutorService e = new CustomExecutor(2); |
1224 |
try { |
1225 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1226 |
l.add(new StringTask()); |
1227 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1228 |
l.add(new StringTask()); |
1229 |
List<Future<String>> futures = |
1230 |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1231 |
assertEquals(l.size(), futures.size()); |
1232 |
for (Future future : futures) |
1233 |
assertTrue(future.isDone()); |
1234 |
assertFalse(futures.get(0).isCancelled()); |
1235 |
assertTrue(futures.get(1).isCancelled()); |
1236 |
} finally { |
1237 |
joinPool(e); |
1238 |
} |
1239 |
} |
1240 |
|
1241 |
} |