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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/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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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.*; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
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|
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import java.util.ArrayList; |
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.concurrent.BlockingQueue; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.Delayed; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.RejectedExecutionHandler; |
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import java.util.concurrent.RunnableScheduledFuture; |
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import java.util.concurrent.ScheduledFuture; |
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import java.util.concurrent.ScheduledThreadPoolExecutor; |
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import java.util.concurrent.ThreadFactory; |
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import java.util.concurrent.ThreadPoolExecutor; |
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import java.util.concurrent.TimeoutException; |
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import java.util.concurrent.TimeUnit; |
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import java.util.concurrent.atomic.AtomicInteger; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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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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main(suite(), args); |
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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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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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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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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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protected <V> RunnableScheduledFuture<V> decorateTask(Runnable r, RunnableScheduledFuture<V> task) { |
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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) { 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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} |
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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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TrackedShortRunnable runnable =new TrackedShortRunnable(); |
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CustomExecutor p1 = new CustomExecutor(1); |
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p1.execute(runnable); |
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assertFalse(runnable.done); |
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Thread.sleep(SHORT_DELAY_MS); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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joinPool(p1); |
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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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TrackedCallable callable = new TrackedCallable(); |
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CustomExecutor p1 = new CustomExecutor(1); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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joinPool(p1); |
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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>() { |
125 |
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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 InterruptedException { |
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TrackedShortRunnable runnable = new TrackedShortRunnable(); |
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CustomExecutor p1 = new CustomExecutor(1); |
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p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertFalse(runnable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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joinPool(p1); |
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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); |
146 |
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try { |
147 |
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Runnable task = new CheckedRunnable() { |
148 |
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public void realRun() { |
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done.countDown(); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
151 |
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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 { |
157 |
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joinPool(p); |
158 |
> |
} |
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} |
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|
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/** |
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* scheduleAtFixedRate executes runnable after given initial delay |
163 |
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*/ |
164 |
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public void testSchedule4() throws InterruptedException { |
165 |
< |
TrackedShortRunnable runnable = new TrackedShortRunnable(); |
166 |
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CustomExecutor p1 = new CustomExecutor(1); |
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ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS); |
168 |
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assertFalse(runnable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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h.cancel(true); |
172 |
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joinPool(p1); |
173 |
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} |
174 |
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|
175 |
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static class RunnableCounter implements Runnable { |
176 |
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AtomicInteger count = new AtomicInteger(0); |
177 |
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public void run() { count.getAndIncrement(); } |
165 |
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CustomExecutor p = new CustomExecutor(1); |
166 |
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final long startTime = System.nanoTime(); |
167 |
> |
final CountDownLatch done = new CountDownLatch(1); |
168 |
> |
try { |
169 |
> |
Runnable task = new CheckedRunnable() { |
170 |
> |
public void realRun() { |
171 |
> |
done.countDown(); |
172 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
173 |
> |
}}; |
174 |
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ScheduledFuture f = |
175 |
> |
p.scheduleAtFixedRate(task, timeoutMillis(), |
176 |
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LONG_DELAY_MS, MILLISECONDS); |
177 |
> |
await(done); |
178 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
179 |
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f.cancel(true); |
180 |
> |
} finally { |
181 |
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joinPool(p); |
182 |
> |
} |
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} |
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|
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/** |
186 |
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* scheduleWithFixedDelay executes runnable after given initial delay |
187 |
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*/ |
188 |
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public void testSchedule5() throws InterruptedException { |
189 |
< |
TrackedShortRunnable runnable = new TrackedShortRunnable(); |
190 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
191 |
< |
ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS); |
192 |
< |
assertFalse(runnable.done); |
193 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
194 |
< |
assertTrue(runnable.done); |
195 |
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h.cancel(true); |
196 |
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joinPool(p1); |
189 |
> |
CustomExecutor p = new CustomExecutor(1); |
190 |
> |
final long startTime = System.nanoTime(); |
191 |
> |
final CountDownLatch done = new CountDownLatch(1); |
192 |
> |
try { |
193 |
> |
Runnable task = new CheckedRunnable() { |
194 |
> |
public void realRun() { |
195 |
> |
done.countDown(); |
196 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
197 |
> |
}}; |
198 |
> |
ScheduledFuture f = |
199 |
> |
p.scheduleWithFixedDelay(task, timeoutMillis(), |
200 |
> |
LONG_DELAY_MS, MILLISECONDS); |
201 |
> |
await(done); |
202 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
203 |
> |
f.cancel(true); |
204 |
> |
} finally { |
205 |
> |
joinPool(p); |
206 |
> |
} |
207 |
> |
} |
208 |
> |
|
209 |
> |
static class RunnableCounter implements Runnable { |
210 |
> |
AtomicInteger count = new AtomicInteger(0); |
211 |
> |
public void run() { count.getAndIncrement(); } |
212 |
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} |
213 |
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|
214 |
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/** |
215 |
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* scheduleAtFixedRate executes series of tasks at given rate |
216 |
|
*/ |
217 |
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public void testFixedRateSequence() throws InterruptedException { |
218 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
219 |
< |
RunnableCounter counter = new RunnableCounter(); |
220 |
< |
ScheduledFuture h = |
221 |
< |
p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS); |
222 |
< |
Thread.sleep(SMALL_DELAY_MS); |
223 |
< |
h.cancel(true); |
224 |
< |
int c = counter.count.get(); |
225 |
< |
// By time scaling conventions, we must have at least |
226 |
< |
// an execution per SHORT delay, but no more than one SHORT more |
227 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
228 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
229 |
< |
joinPool(p1); |
218 |
> |
CustomExecutor p = new CustomExecutor(1); |
219 |
> |
try { |
220 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
221 |
> |
long startTime = System.nanoTime(); |
222 |
> |
int cycles = 10; |
223 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
224 |
> |
Runnable task = new CheckedRunnable() { |
225 |
> |
public void realRun() { done.countDown(); }}; |
226 |
> |
ScheduledFuture h = |
227 |
> |
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
228 |
> |
done.await(); |
229 |
> |
h.cancel(true); |
230 |
> |
double normalizedTime = |
231 |
> |
(double) millisElapsedSince(startTime) / delay; |
232 |
> |
if (normalizedTime >= cycles - 1 && |
233 |
> |
normalizedTime <= cycles) |
234 |
> |
return; |
235 |
> |
} |
236 |
> |
throw new AssertionError("unexpected execution rate"); |
237 |
> |
} finally { |
238 |
> |
joinPool(p); |
239 |
> |
} |
240 |
|
} |
241 |
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|
242 |
|
/** |
243 |
|
* scheduleWithFixedDelay executes series of tasks with given period |
244 |
|
*/ |
245 |
|
public void testFixedDelaySequence() throws InterruptedException { |
246 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
247 |
< |
RunnableCounter counter = new RunnableCounter(); |
248 |
< |
ScheduledFuture h = |
249 |
< |
p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS); |
250 |
< |
Thread.sleep(SMALL_DELAY_MS); |
251 |
< |
h.cancel(true); |
252 |
< |
int c = counter.count.get(); |
253 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
254 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
255 |
< |
joinPool(p1); |
246 |
> |
CustomExecutor p = new CustomExecutor(1); |
247 |
> |
try { |
248 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
249 |
> |
long startTime = System.nanoTime(); |
250 |
> |
int cycles = 10; |
251 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
252 |
> |
Runnable task = new CheckedRunnable() { |
253 |
> |
public void realRun() { done.countDown(); }}; |
254 |
> |
ScheduledFuture h = |
255 |
> |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
256 |
> |
done.await(); |
257 |
> |
h.cancel(true); |
258 |
> |
double normalizedTime = |
259 |
> |
(double) millisElapsedSince(startTime) / delay; |
260 |
> |
if (normalizedTime >= cycles - 1 && |
261 |
> |
normalizedTime <= cycles) |
262 |
> |
return; |
263 |
> |
} |
264 |
> |
throw new AssertionError("unexpected execution rate"); |
265 |
> |
} finally { |
266 |
> |
joinPool(p); |
267 |
> |
} |
268 |
|
} |
269 |
|
|
191 |
– |
|
270 |
|
/** |
271 |
< |
* execute (null) throws NPE |
271 |
> |
* execute(null) throws NPE |
272 |
|
*/ |
273 |
|
public void testExecuteNull() throws InterruptedException { |
274 |
|
CustomExecutor se = new CustomExecutor(1); |
280 |
|
} |
281 |
|
|
282 |
|
/** |
283 |
< |
* schedule (null) throws NPE |
283 |
> |
* schedule(null) throws NPE |
284 |
|
*/ |
285 |
|
public void testScheduleNull() throws InterruptedException { |
286 |
|
CustomExecutor se = new CustomExecutor(1); |
328 |
|
/** |
329 |
|
* schedule callable throws RejectedExecutionException if shutdown |
330 |
|
*/ |
331 |
< |
public void testSchedule3_RejectedExecutionException() { |
332 |
< |
CustomExecutor se = new CustomExecutor(1); |
333 |
< |
try { |
334 |
< |
se.shutdown(); |
335 |
< |
se.schedule(new NoOpCallable(), |
336 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
337 |
< |
shouldThrow(); |
338 |
< |
} catch (RejectedExecutionException success) { |
339 |
< |
} catch (SecurityException ok) { |
340 |
< |
} |
341 |
< |
joinPool(se); |
331 |
> |
public void testSchedule3_RejectedExecutionException() { |
332 |
> |
CustomExecutor se = new CustomExecutor(1); |
333 |
> |
try { |
334 |
> |
se.shutdown(); |
335 |
> |
se.schedule(new NoOpCallable(), |
336 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
337 |
> |
shouldThrow(); |
338 |
> |
} catch (RejectedExecutionException success) { |
339 |
> |
} catch (SecurityException ok) { |
340 |
> |
} |
341 |
> |
joinPool(se); |
342 |
|
} |
343 |
|
|
344 |
|
/** |
345 |
< |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
345 |
> |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
346 |
|
*/ |
347 |
|
public void testScheduleAtFixedRate1_RejectedExecutionException() { |
348 |
|
CustomExecutor se = new CustomExecutor(1); |
374 |
|
} |
375 |
|
|
376 |
|
/** |
377 |
< |
* getActiveCount increases but doesn't overestimate, when a |
378 |
< |
* thread becomes active |
377 |
> |
* getActiveCount increases but doesn't overestimate, when a |
378 |
> |
* thread becomes active |
379 |
|
*/ |
380 |
|
public void testGetActiveCount() throws InterruptedException { |
381 |
< |
CustomExecutor p2 = new CustomExecutor(2); |
382 |
< |
assertEquals(0, p2.getActiveCount()); |
383 |
< |
p2.execute(new SmallRunnable()); |
384 |
< |
Thread.sleep(SHORT_DELAY_MS); |
385 |
< |
assertEquals(1, p2.getActiveCount()); |
386 |
< |
joinPool(p2); |
381 |
> |
final ThreadPoolExecutor p = new CustomExecutor(2); |
382 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
383 |
> |
final CountDownLatch done = new CountDownLatch(1); |
384 |
> |
try { |
385 |
> |
assertEquals(0, p.getActiveCount()); |
386 |
> |
p.execute(new CheckedRunnable() { |
387 |
> |
public void realRun() throws InterruptedException { |
388 |
> |
threadStarted.countDown(); |
389 |
> |
assertEquals(1, p.getActiveCount()); |
390 |
> |
done.await(); |
391 |
> |
}}); |
392 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
393 |
> |
assertEquals(1, p.getActiveCount()); |
394 |
> |
} finally { |
395 |
> |
done.countDown(); |
396 |
> |
joinPool(p); |
397 |
> |
} |
398 |
|
} |
399 |
|
|
400 |
|
/** |
401 |
< |
* getCompletedTaskCount increases, but doesn't overestimate, |
402 |
< |
* when tasks complete |
401 |
> |
* getCompletedTaskCount increases, but doesn't overestimate, |
402 |
> |
* when tasks complete |
403 |
|
*/ |
404 |
|
public void testGetCompletedTaskCount() throws InterruptedException { |
405 |
< |
CustomExecutor p2 = new CustomExecutor(2); |
406 |
< |
assertEquals(0, p2.getCompletedTaskCount()); |
407 |
< |
p2.execute(new SmallRunnable()); |
408 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
409 |
< |
assertEquals(1, p2.getCompletedTaskCount()); |
410 |
< |
joinPool(p2); |
405 |
> |
final ThreadPoolExecutor p = new CustomExecutor(2); |
406 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
407 |
> |
final CountDownLatch threadProceed = new CountDownLatch(1); |
408 |
> |
final CountDownLatch threadDone = new CountDownLatch(1); |
409 |
> |
try { |
410 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
411 |
> |
p.execute(new CheckedRunnable() { |
412 |
> |
public void realRun() throws InterruptedException { |
413 |
> |
threadStarted.countDown(); |
414 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
415 |
> |
threadProceed.await(); |
416 |
> |
threadDone.countDown(); |
417 |
> |
}}); |
418 |
> |
await(threadStarted); |
419 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
420 |
> |
threadProceed.countDown(); |
421 |
> |
threadDone.await(); |
422 |
> |
long startTime = System.nanoTime(); |
423 |
> |
while (p.getCompletedTaskCount() != 1) { |
424 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
425 |
> |
fail("timed out"); |
426 |
> |
Thread.yield(); |
427 |
> |
} |
428 |
> |
} finally { |
429 |
> |
joinPool(p); |
430 |
> |
} |
431 |
|
} |
432 |
|
|
433 |
|
/** |
434 |
< |
* getCorePoolSize returns size given in constructor if not otherwise set |
434 |
> |
* getCorePoolSize returns size given in constructor if not otherwise set |
435 |
|
*/ |
436 |
|
public void testGetCorePoolSize() { |
437 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
438 |
< |
assertEquals(1, p1.getCorePoolSize()); |
439 |
< |
joinPool(p1); |
437 |
> |
CustomExecutor p = new CustomExecutor(1); |
438 |
> |
assertEquals(1, p.getCorePoolSize()); |
439 |
> |
joinPool(p); |
440 |
|
} |
441 |
|
|
442 |
|
/** |
443 |
< |
* getLargestPoolSize increases, but doesn't overestimate, when |
444 |
< |
* multiple threads active |
443 |
> |
* getLargestPoolSize increases, but doesn't overestimate, when |
444 |
> |
* multiple threads active |
445 |
|
*/ |
446 |
|
public void testGetLargestPoolSize() throws InterruptedException { |
447 |
< |
CustomExecutor p2 = new CustomExecutor(2); |
448 |
< |
assertEquals(0, p2.getLargestPoolSize()); |
449 |
< |
p2.execute(new SmallRunnable()); |
450 |
< |
p2.execute(new SmallRunnable()); |
451 |
< |
Thread.sleep(SHORT_DELAY_MS); |
452 |
< |
assertEquals(2, p2.getLargestPoolSize()); |
453 |
< |
joinPool(p2); |
447 |
> |
final int THREADS = 3; |
448 |
> |
final ThreadPoolExecutor p = new CustomExecutor(THREADS); |
449 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
450 |
> |
final CountDownLatch done = new CountDownLatch(1); |
451 |
> |
try { |
452 |
> |
assertEquals(0, p.getLargestPoolSize()); |
453 |
> |
for (int i = 0; i < THREADS; i++) |
454 |
> |
p.execute(new CheckedRunnable() { |
455 |
> |
public void realRun() throws InterruptedException { |
456 |
> |
threadsStarted.countDown(); |
457 |
> |
done.await(); |
458 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
459 |
> |
}}); |
460 |
> |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
461 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
462 |
> |
} finally { |
463 |
> |
done.countDown(); |
464 |
> |
joinPool(p); |
465 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
466 |
> |
} |
467 |
|
} |
468 |
|
|
469 |
|
/** |
470 |
< |
* getPoolSize increases, but doesn't overestimate, when threads |
471 |
< |
* become active |
470 |
> |
* getPoolSize increases, but doesn't overestimate, when threads |
471 |
> |
* become active |
472 |
|
*/ |
473 |
< |
public void testGetPoolSize() { |
474 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
475 |
< |
assertEquals(0, p1.getPoolSize()); |
476 |
< |
p1.execute(new SmallRunnable()); |
477 |
< |
assertEquals(1, p1.getPoolSize()); |
478 |
< |
joinPool(p1); |
473 |
> |
public void testGetPoolSize() throws InterruptedException { |
474 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
475 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
476 |
> |
final CountDownLatch done = new CountDownLatch(1); |
477 |
> |
try { |
478 |
> |
assertEquals(0, p.getPoolSize()); |
479 |
> |
p.execute(new CheckedRunnable() { |
480 |
> |
public void realRun() throws InterruptedException { |
481 |
> |
threadStarted.countDown(); |
482 |
> |
assertEquals(1, p.getPoolSize()); |
483 |
> |
done.await(); |
484 |
> |
}}); |
485 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
486 |
> |
assertEquals(1, p.getPoolSize()); |
487 |
> |
} finally { |
488 |
> |
done.countDown(); |
489 |
> |
joinPool(p); |
490 |
> |
} |
491 |
|
} |
492 |
|
|
493 |
|
/** |
494 |
< |
* getTaskCount increases, but doesn't overestimate, when tasks |
495 |
< |
* submitted |
494 |
> |
* getTaskCount increases, but doesn't overestimate, when tasks |
495 |
> |
* submitted |
496 |
|
*/ |
497 |
|
public void testGetTaskCount() throws InterruptedException { |
498 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
499 |
< |
assertEquals(0, p1.getTaskCount()); |
500 |
< |
for (int i = 0; i < 5; i++) |
501 |
< |
p1.execute(new SmallRunnable()); |
502 |
< |
Thread.sleep(SHORT_DELAY_MS); |
503 |
< |
assertEquals(5, p1.getTaskCount()); |
504 |
< |
joinPool(p1); |
498 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
499 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
500 |
> |
final CountDownLatch done = new CountDownLatch(1); |
501 |
> |
final int TASKS = 5; |
502 |
> |
try { |
503 |
> |
assertEquals(0, p.getTaskCount()); |
504 |
> |
for (int i = 0; i < TASKS; i++) |
505 |
> |
p.execute(new CheckedRunnable() { |
506 |
> |
public void realRun() throws InterruptedException { |
507 |
> |
threadStarted.countDown(); |
508 |
> |
done.await(); |
509 |
> |
}}); |
510 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
511 |
> |
assertEquals(TASKS, p.getTaskCount()); |
512 |
> |
} finally { |
513 |
> |
done.countDown(); |
514 |
> |
joinPool(p); |
515 |
> |
} |
516 |
|
} |
517 |
|
|
518 |
|
/** |
551 |
|
} |
552 |
|
|
553 |
|
/** |
554 |
< |
* is isShutDown is false before shutdown, true after |
554 |
> |
* isShutdown is false before shutdown, true after |
555 |
|
*/ |
556 |
|
public void testIsShutdown() { |
557 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
557 |
> |
CustomExecutor p = new CustomExecutor(1); |
558 |
|
try { |
559 |
< |
assertFalse(p1.isShutdown()); |
559 |
> |
assertFalse(p.isShutdown()); |
560 |
|
} |
561 |
|
finally { |
562 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
562 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
563 |
|
} |
564 |
< |
assertTrue(p1.isShutdown()); |
564 |
> |
assertTrue(p.isShutdown()); |
565 |
|
} |
566 |
|
|
422 |
– |
|
567 |
|
/** |
568 |
< |
* isTerminated is false before termination, true after |
568 |
> |
* isTerminated is false before termination, true after |
569 |
|
*/ |
570 |
|
public void testIsTerminated() throws InterruptedException { |
571 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
571 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
572 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
573 |
> |
final CountDownLatch done = new CountDownLatch(1); |
574 |
> |
assertFalse(p.isTerminated()); |
575 |
|
try { |
576 |
< |
p1.execute(new SmallRunnable()); |
576 |
> |
p.execute(new CheckedRunnable() { |
577 |
> |
public void realRun() throws InterruptedException { |
578 |
> |
assertFalse(p.isTerminated()); |
579 |
> |
threadStarted.countDown(); |
580 |
> |
done.await(); |
581 |
> |
}}); |
582 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
583 |
> |
assertFalse(p.isTerminating()); |
584 |
> |
done.countDown(); |
585 |
|
} finally { |
586 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
586 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
587 |
|
} |
588 |
< |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
589 |
< |
assertTrue(p1.isTerminated()); |
588 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
589 |
> |
assertTrue(p.isTerminated()); |
590 |
|
} |
591 |
|
|
592 |
|
/** |
593 |
< |
* isTerminating is not true when running or when terminated |
593 |
> |
* isTerminating is not true when running or when terminated |
594 |
|
*/ |
595 |
|
public void testIsTerminating() throws InterruptedException { |
596 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
597 |
< |
assertFalse(p1.isTerminating()); |
598 |
< |
try { |
599 |
< |
p1.execute(new SmallRunnable()); |
600 |
< |
assertFalse(p1.isTerminating()); |
601 |
< |
} finally { |
602 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
603 |
< |
} |
604 |
< |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
605 |
< |
assertTrue(p1.isTerminated()); |
606 |
< |
assertFalse(p1.isTerminating()); |
596 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
597 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
598 |
> |
final CountDownLatch done = new CountDownLatch(1); |
599 |
> |
try { |
600 |
> |
assertFalse(p.isTerminating()); |
601 |
> |
p.execute(new CheckedRunnable() { |
602 |
> |
public void realRun() throws InterruptedException { |
603 |
> |
assertFalse(p.isTerminating()); |
604 |
> |
threadStarted.countDown(); |
605 |
> |
done.await(); |
606 |
> |
}}); |
607 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
608 |
> |
assertFalse(p.isTerminating()); |
609 |
> |
done.countDown(); |
610 |
> |
} finally { |
611 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
612 |
> |
} |
613 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
614 |
> |
assertTrue(p.isTerminated()); |
615 |
> |
assertFalse(p.isTerminating()); |
616 |
|
} |
617 |
|
|
618 |
|
/** |
619 |
|
* getQueue returns the work queue, which contains queued tasks |
620 |
|
*/ |
621 |
|
public void testGetQueue() throws InterruptedException { |
622 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
623 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
624 |
< |
for (int i = 0; i < 5; i++) { |
625 |
< |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS); |
626 |
< |
} |
627 |
< |
try { |
628 |
< |
Thread.sleep(SHORT_DELAY_MS); |
629 |
< |
BlockingQueue<Runnable> q = p1.getQueue(); |
630 |
< |
assertTrue(q.contains(tasks[4])); |
622 |
> |
ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
623 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
624 |
> |
final CountDownLatch done = new CountDownLatch(1); |
625 |
> |
try { |
626 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
627 |
> |
for (int i = 0; i < tasks.length; i++) { |
628 |
> |
Runnable r = new CheckedRunnable() { |
629 |
> |
public void realRun() throws InterruptedException { |
630 |
> |
threadStarted.countDown(); |
631 |
> |
done.await(); |
632 |
> |
}}; |
633 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
634 |
> |
} |
635 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
636 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
637 |
> |
assertTrue(q.contains(tasks[tasks.length - 1])); |
638 |
|
assertFalse(q.contains(tasks[0])); |
639 |
|
} finally { |
640 |
< |
joinPool(p1); |
640 |
> |
done.countDown(); |
641 |
> |
joinPool(p); |
642 |
|
} |
643 |
|
} |
644 |
|
|
646 |
|
* remove(task) removes queued task, and fails to remove active task |
647 |
|
*/ |
648 |
|
public void testRemove() throws InterruptedException { |
649 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
649 |
> |
final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
650 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
651 |
< |
for (int i = 0; i < 5; i++) { |
652 |
< |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS); |
481 |
< |
} |
651 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
652 |
> |
final CountDownLatch done = new CountDownLatch(1); |
653 |
|
try { |
654 |
< |
Thread.sleep(SHORT_DELAY_MS); |
655 |
< |
BlockingQueue<Runnable> q = p1.getQueue(); |
656 |
< |
assertFalse(p1.remove((Runnable)tasks[0])); |
654 |
> |
for (int i = 0; i < tasks.length; i++) { |
655 |
> |
Runnable r = new CheckedRunnable() { |
656 |
> |
public void realRun() throws InterruptedException { |
657 |
> |
threadStarted.countDown(); |
658 |
> |
done.await(); |
659 |
> |
}}; |
660 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
661 |
> |
} |
662 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
663 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
664 |
> |
assertFalse(p.remove((Runnable)tasks[0])); |
665 |
|
assertTrue(q.contains((Runnable)tasks[4])); |
666 |
|
assertTrue(q.contains((Runnable)tasks[3])); |
667 |
< |
assertTrue(p1.remove((Runnable)tasks[4])); |
668 |
< |
assertFalse(p1.remove((Runnable)tasks[4])); |
667 |
> |
assertTrue(p.remove((Runnable)tasks[4])); |
668 |
> |
assertFalse(p.remove((Runnable)tasks[4])); |
669 |
|
assertFalse(q.contains((Runnable)tasks[4])); |
670 |
|
assertTrue(q.contains((Runnable)tasks[3])); |
671 |
< |
assertTrue(p1.remove((Runnable)tasks[3])); |
671 |
> |
assertTrue(p.remove((Runnable)tasks[3])); |
672 |
|
assertFalse(q.contains((Runnable)tasks[3])); |
673 |
|
} finally { |
674 |
< |
joinPool(p1); |
674 |
> |
done.countDown(); |
675 |
> |
joinPool(p); |
676 |
|
} |
677 |
|
} |
678 |
|
|
679 |
|
/** |
680 |
< |
* purge removes cancelled tasks from the queue |
680 |
> |
* purge removes cancelled tasks from the queue |
681 |
|
*/ |
682 |
|
public void testPurge() throws InterruptedException { |
683 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
683 |
> |
CustomExecutor p = new CustomExecutor(1); |
684 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
685 |
< |
for (int i = 0; i < 5; i++) { |
686 |
< |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
687 |
< |
} |
685 |
> |
for (int i = 0; i < tasks.length; i++) |
686 |
> |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
687 |
> |
LONG_DELAY_MS, MILLISECONDS); |
688 |
|
try { |
689 |
< |
int max = 5; |
689 |
> |
int max = tasks.length; |
690 |
|
if (tasks[4].cancel(true)) --max; |
691 |
|
if (tasks[3].cancel(true)) --max; |
692 |
|
// There must eventually be an interference-free point at |
693 |
|
// which purge will not fail. (At worst, when queue is empty.) |
694 |
< |
int k; |
695 |
< |
for (k = 0; k < SMALL_DELAY_MS; ++k) { |
696 |
< |
p1.purge(); |
697 |
< |
long count = p1.getTaskCount(); |
698 |
< |
if (count >= 0 && count <= max) |
699 |
< |
break; |
700 |
< |
Thread.sleep(1); |
701 |
< |
} |
522 |
< |
assertTrue(k < SMALL_DELAY_MS); |
694 |
> |
long startTime = System.nanoTime(); |
695 |
> |
do { |
696 |
> |
p.purge(); |
697 |
> |
long count = p.getTaskCount(); |
698 |
> |
if (count == max) |
699 |
> |
return; |
700 |
> |
} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS); |
701 |
> |
fail("Purge failed to remove cancelled tasks"); |
702 |
|
} finally { |
703 |
< |
joinPool(p1); |
703 |
> |
for (ScheduledFuture task : tasks) |
704 |
> |
task.cancel(true); |
705 |
> |
joinPool(p); |
706 |
|
} |
707 |
|
} |
708 |
|
|
709 |
|
/** |
710 |
< |
* shutDownNow returns a list containing tasks that were not run |
710 |
> |
* shutdownNow returns a list containing tasks that were not run, |
711 |
> |
* and those tasks are drained from the queue |
712 |
|
*/ |
713 |
< |
public void testShutDownNow() { |
714 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
715 |
< |
for (int i = 0; i < 5; i++) |
716 |
< |
p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
717 |
< |
List l; |
713 |
> |
public void testShutdownNow() throws InterruptedException { |
714 |
> |
final int poolSize = 2; |
715 |
> |
final int count = 5; |
716 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
717 |
> |
final CustomExecutor p = new CustomExecutor(poolSize); |
718 |
> |
CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
719 |
> |
CheckedRunnable waiter = new CheckedRunnable() { public void realRun() { |
720 |
> |
threadsStarted.countDown(); |
721 |
> |
try { |
722 |
> |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
723 |
> |
} catch (InterruptedException success) {} |
724 |
> |
ran.getAndIncrement(); |
725 |
> |
}}; |
726 |
> |
for (int i = 0; i < count; i++) |
727 |
> |
p.execute(waiter); |
728 |
> |
assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
729 |
> |
final List<Runnable> queuedTasks; |
730 |
|
try { |
731 |
< |
l = p1.shutdownNow(); |
731 |
> |
queuedTasks = p.shutdownNow(); |
732 |
|
} catch (SecurityException ok) { |
733 |
< |
return; |
733 |
> |
return; // Allowed in case test doesn't have privs |
734 |
|
} |
735 |
< |
assertTrue(p1.isShutdown()); |
736 |
< |
assertTrue(l.size() > 0 && l.size() <= 5); |
737 |
< |
joinPool(p1); |
735 |
> |
assertTrue(p.isShutdown()); |
736 |
> |
assertTrue(p.getQueue().isEmpty()); |
737 |
> |
assertEquals(count - poolSize, queuedTasks.size()); |
738 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
739 |
> |
assertTrue(p.isTerminated()); |
740 |
> |
assertEquals(poolSize, ran.get()); |
741 |
> |
} |
742 |
> |
|
743 |
> |
/** |
744 |
> |
* shutdownNow returns a list containing tasks that were not run, |
745 |
> |
* and those tasks are drained from the queue |
746 |
> |
*/ |
747 |
> |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
748 |
> |
CustomExecutor p = new CustomExecutor(1); |
749 |
> |
List<ScheduledFuture> tasks = new ArrayList<>(); |
750 |
> |
for (int i = 0; i < 3; i++) { |
751 |
> |
Runnable r = new NoOpRunnable(); |
752 |
> |
tasks.add(p.schedule(r, 9, SECONDS)); |
753 |
> |
tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
754 |
> |
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
755 |
> |
} |
756 |
> |
if (testImplementationDetails) |
757 |
> |
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
758 |
> |
final List<Runnable> queuedTasks; |
759 |
> |
try { |
760 |
> |
queuedTasks = p.shutdownNow(); |
761 |
> |
} catch (SecurityException ok) { |
762 |
> |
return; // Allowed in case test doesn't have privs |
763 |
> |
} |
764 |
> |
assertTrue(p.isShutdown()); |
765 |
> |
assertTrue(p.getQueue().isEmpty()); |
766 |
> |
if (testImplementationDetails) |
767 |
> |
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
768 |
> |
assertEquals(tasks.size(), queuedTasks.size()); |
769 |
> |
for (ScheduledFuture task : tasks) { |
770 |
> |
assertFalse(((CustomTask)task).ran); |
771 |
> |
assertFalse(task.isDone()); |
772 |
> |
assertFalse(task.isCancelled()); |
773 |
> |
} |
774 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
775 |
> |
assertTrue(p.isTerminated()); |
776 |
|
} |
777 |
|
|
778 |
|
/** |
779 |
|
* In default setting, shutdown cancels periodic but not delayed |
780 |
|
* tasks at shutdown |
781 |
|
*/ |
782 |
< |
public void testShutDown1() throws InterruptedException { |
783 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
784 |
< |
assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
785 |
< |
assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
782 |
> |
public void testShutdown1() throws InterruptedException { |
783 |
> |
CustomExecutor p = new CustomExecutor(1); |
784 |
> |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
785 |
> |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
786 |
|
|
787 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
788 |
< |
for (int i = 0; i < 5; i++) |
789 |
< |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
790 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
791 |
< |
BlockingQueue q = p1.getQueue(); |
792 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
793 |
< |
ScheduledFuture t = (ScheduledFuture)it.next(); |
794 |
< |
assertFalse(t.isCancelled()); |
795 |
< |
} |
796 |
< |
assertTrue(p1.isShutdown()); |
797 |
< |
Thread.sleep(SMALL_DELAY_MS); |
798 |
< |
for (int i = 0; i < 5; ++i) { |
799 |
< |
assertTrue(tasks[i].isDone()); |
800 |
< |
assertFalse(tasks[i].isCancelled()); |
788 |
> |
for (int i = 0; i < tasks.length; i++) |
789 |
> |
tasks[i] = p.schedule(new NoOpRunnable(), |
790 |
> |
SHORT_DELAY_MS, MILLISECONDS); |
791 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
792 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
793 |
> |
for (ScheduledFuture task : tasks) { |
794 |
> |
assertFalse(task.isDone()); |
795 |
> |
assertFalse(task.isCancelled()); |
796 |
> |
assertTrue(q.contains(task)); |
797 |
> |
} |
798 |
> |
assertTrue(p.isShutdown()); |
799 |
> |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
800 |
> |
assertTrue(p.isTerminated()); |
801 |
> |
for (ScheduledFuture task : tasks) { |
802 |
> |
assertTrue(task.isDone()); |
803 |
> |
assertFalse(task.isCancelled()); |
804 |
|
} |
805 |
|
} |
806 |
|
|
572 |
– |
|
807 |
|
/** |
808 |
|
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
809 |
|
* delayed tasks are cancelled at shutdown |
810 |
|
*/ |
811 |
< |
public void testShutDown2() throws InterruptedException { |
812 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
813 |
< |
p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
811 |
> |
public void testShutdown2() throws InterruptedException { |
812 |
> |
CustomExecutor p = new CustomExecutor(1); |
813 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
814 |
> |
assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
815 |
> |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
816 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
817 |
< |
for (int i = 0; i < 5; i++) |
818 |
< |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
819 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
820 |
< |
assertTrue(p1.isShutdown()); |
821 |
< |
BlockingQueue q = p1.getQueue(); |
817 |
> |
for (int i = 0; i < tasks.length; i++) |
818 |
> |
tasks[i] = p.schedule(new NoOpRunnable(), |
819 |
> |
SHORT_DELAY_MS, MILLISECONDS); |
820 |
> |
BlockingQueue q = p.getQueue(); |
821 |
> |
assertEquals(tasks.length, q.size()); |
822 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
823 |
> |
assertTrue(p.isShutdown()); |
824 |
|
assertTrue(q.isEmpty()); |
825 |
< |
Thread.sleep(SMALL_DELAY_MS); |
826 |
< |
assertTrue(p1.isTerminated()); |
825 |
> |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
826 |
> |
assertTrue(p.isTerminated()); |
827 |
> |
for (ScheduledFuture task : tasks) { |
828 |
> |
assertTrue(task.isDone()); |
829 |
> |
assertTrue(task.isCancelled()); |
830 |
> |
} |
831 |
|
} |
832 |
|
|
591 |
– |
|
833 |
|
/** |
834 |
|
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
835 |
< |
* periodic tasks are not cancelled at shutdown |
835 |
> |
* periodic tasks are cancelled at shutdown |
836 |
|
*/ |
837 |
< |
public void testShutDown3() throws InterruptedException { |
838 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
839 |
< |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
837 |
> |
public void testShutdown3() throws InterruptedException { |
838 |
> |
CustomExecutor p = new CustomExecutor(1); |
839 |
> |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
840 |
> |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
841 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
842 |
> |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
843 |
> |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
844 |
> |
long initialDelay = LONG_DELAY_MS; |
845 |
|
ScheduledFuture task = |
846 |
< |
p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS); |
847 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
848 |
< |
assertTrue(p1.isShutdown()); |
849 |
< |
BlockingQueue q = p1.getQueue(); |
850 |
< |
assertTrue(q.isEmpty()); |
851 |
< |
Thread.sleep(SHORT_DELAY_MS); |
852 |
< |
assertTrue(p1.isTerminated()); |
846 |
> |
p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay, |
847 |
> |
5, MILLISECONDS); |
848 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
849 |
> |
assertTrue(p.isShutdown()); |
850 |
> |
assertTrue(p.getQueue().isEmpty()); |
851 |
> |
assertTrue(task.isDone()); |
852 |
> |
assertTrue(task.isCancelled()); |
853 |
> |
joinPool(p); |
854 |
|
} |
855 |
|
|
856 |
|
/** |
857 |
|
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
858 |
< |
* periodic tasks are cancelled at shutdown |
858 |
> |
* periodic tasks are not cancelled at shutdown |
859 |
|
*/ |
860 |
< |
public void testShutDown4() throws InterruptedException { |
861 |
< |
CustomExecutor p1 = new CustomExecutor(1); |
860 |
> |
public void testShutdown4() throws InterruptedException { |
861 |
> |
CustomExecutor p = new CustomExecutor(1); |
862 |
> |
final CountDownLatch counter = new CountDownLatch(2); |
863 |
|
try { |
864 |
< |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
864 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
865 |
> |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
866 |
> |
assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
867 |
> |
final Runnable r = new CheckedRunnable() { |
868 |
> |
public void realRun() { |
869 |
> |
counter.countDown(); |
870 |
> |
}}; |
871 |
|
ScheduledFuture task = |
872 |
< |
p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS); |
872 |
> |
p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS); |
873 |
> |
assertFalse(task.isDone()); |
874 |
|
assertFalse(task.isCancelled()); |
875 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
875 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
876 |
|
assertFalse(task.isCancelled()); |
877 |
< |
assertFalse(p1.isTerminated()); |
878 |
< |
assertTrue(p1.isShutdown()); |
879 |
< |
Thread.sleep(SHORT_DELAY_MS); |
877 |
> |
assertFalse(p.isTerminated()); |
878 |
> |
assertTrue(p.isShutdown()); |
879 |
> |
assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS)); |
880 |
|
assertFalse(task.isCancelled()); |
881 |
< |
assertTrue(task.cancel(true)); |
881 |
> |
assertTrue(task.cancel(false)); |
882 |
|
assertTrue(task.isDone()); |
883 |
< |
Thread.sleep(SHORT_DELAY_MS); |
884 |
< |
assertTrue(p1.isTerminated()); |
883 |
> |
assertTrue(task.isCancelled()); |
884 |
> |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
885 |
> |
assertTrue(p.isTerminated()); |
886 |
|
} |
887 |
|
finally { |
888 |
< |
joinPool(p1); |
888 |
> |
joinPool(p); |
889 |
|
} |
890 |
|
} |
891 |
|
|
963 |
|
* invokeAny(c) throws NPE if c has null elements |
964 |
|
*/ |
965 |
|
public void testInvokeAny3() throws Exception { |
966 |
< |
final CountDownLatch latch = new CountDownLatch(1); |
966 |
> |
CountDownLatch latch = new CountDownLatch(1); |
967 |
|
ExecutorService e = new CustomExecutor(2); |
968 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
969 |
+ |
l.add(latchAwaitingStringTask(latch)); |
970 |
+ |
l.add(null); |
971 |
|
try { |
713 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
714 |
– |
l.add(new Callable<String>() { |
715 |
– |
public String call() { |
716 |
– |
try { |
717 |
– |
latch.await(); |
718 |
– |
} catch (InterruptedException quittingTime) {} |
719 |
– |
return TEST_STRING; |
720 |
– |
}}); |
721 |
– |
l.add(null); |
972 |
|
e.invokeAny(l); |
973 |
|
shouldThrow(); |
974 |
|
} catch (NullPointerException success) { |
983 |
|
*/ |
984 |
|
public void testInvokeAny4() throws Exception { |
985 |
|
ExecutorService e = new CustomExecutor(2); |
986 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
987 |
+ |
l.add(new NPETask()); |
988 |
|
try { |
737 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
738 |
– |
l.add(new NPETask()); |
989 |
|
e.invokeAny(l); |
990 |
|
shouldThrow(); |
991 |
|
} catch (ExecutionException success) { |
1001 |
|
public void testInvokeAny5() throws Exception { |
1002 |
|
ExecutorService e = new CustomExecutor(2); |
1003 |
|
try { |
1004 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1004 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1005 |
|
l.add(new StringTask()); |
1006 |
|
l.add(new StringTask()); |
1007 |
|
String result = e.invokeAny(l); |
1043 |
|
*/ |
1044 |
|
public void testInvokeAll3() throws Exception { |
1045 |
|
ExecutorService e = new CustomExecutor(2); |
1046 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1047 |
+ |
l.add(new StringTask()); |
1048 |
+ |
l.add(null); |
1049 |
|
try { |
797 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
798 |
– |
l.add(new StringTask()); |
799 |
– |
l.add(null); |
1050 |
|
e.invokeAll(l); |
1051 |
|
shouldThrow(); |
1052 |
|
} catch (NullPointerException success) { |
1060 |
|
*/ |
1061 |
|
public void testInvokeAll4() throws Exception { |
1062 |
|
ExecutorService e = new CustomExecutor(2); |
1063 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1064 |
+ |
l.add(new NPETask()); |
1065 |
+ |
List<Future<String>> futures = e.invokeAll(l); |
1066 |
+ |
assertEquals(1, futures.size()); |
1067 |
|
try { |
1068 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
815 |
< |
l.add(new NPETask()); |
816 |
< |
List<Future<String>> result = e.invokeAll(l); |
817 |
< |
assertEquals(1, result.size()); |
818 |
< |
for (Future<String> future : result) |
819 |
< |
future.get(); |
1068 |
> |
futures.get(0).get(); |
1069 |
|
shouldThrow(); |
1070 |
|
} catch (ExecutionException success) { |
1071 |
|
assertTrue(success.getCause() instanceof NullPointerException); |
1080 |
|
public void testInvokeAll5() throws Exception { |
1081 |
|
ExecutorService e = new CustomExecutor(2); |
1082 |
|
try { |
1083 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1083 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1084 |
|
l.add(new StringTask()); |
1085 |
|
l.add(new StringTask()); |
1086 |
< |
List<Future<String>> result = e.invokeAll(l); |
1087 |
< |
assertEquals(2, result.size()); |
1088 |
< |
for (Future<String> future : result) |
1086 |
> |
List<Future<String>> futures = e.invokeAll(l); |
1087 |
> |
assertEquals(2, futures.size()); |
1088 |
> |
for (Future<String> future : futures) |
1089 |
|
assertSame(TEST_STRING, future.get()); |
1090 |
|
} finally { |
1091 |
|
joinPool(e); |
1111 |
|
*/ |
1112 |
|
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1113 |
|
ExecutorService e = new CustomExecutor(2); |
1114 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1115 |
+ |
l.add(new StringTask()); |
1116 |
|
try { |
866 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
867 |
– |
l.add(new StringTask()); |
1117 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1118 |
|
shouldThrow(); |
1119 |
|
} catch (NullPointerException success) { |
1140 |
|
* timed invokeAny(c) throws NPE if c has null elements |
1141 |
|
*/ |
1142 |
|
public void testTimedInvokeAny3() throws Exception { |
1143 |
< |
final CountDownLatch latch = new CountDownLatch(1); |
1143 |
> |
CountDownLatch latch = new CountDownLatch(1); |
1144 |
|
ExecutorService e = new CustomExecutor(2); |
1145 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1146 |
+ |
l.add(latchAwaitingStringTask(latch)); |
1147 |
+ |
l.add(null); |
1148 |
|
try { |
897 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
898 |
– |
l.add(new Callable<String>() { |
899 |
– |
public String call() { |
900 |
– |
try { |
901 |
– |
latch.await(); |
902 |
– |
} catch (InterruptedException quittingTime) {} |
903 |
– |
return TEST_STRING; |
904 |
– |
}}); |
905 |
– |
l.add(null); |
1149 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1150 |
|
shouldThrow(); |
1151 |
|
} catch (NullPointerException success) { |
1160 |
|
*/ |
1161 |
|
public void testTimedInvokeAny4() throws Exception { |
1162 |
|
ExecutorService e = new CustomExecutor(2); |
1163 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1164 |
+ |
l.add(new NPETask()); |
1165 |
|
try { |
921 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
922 |
– |
l.add(new NPETask()); |
1166 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1167 |
|
shouldThrow(); |
1168 |
|
} catch (ExecutionException success) { |
1178 |
|
public void testTimedInvokeAny5() throws Exception { |
1179 |
|
ExecutorService e = new CustomExecutor(2); |
1180 |
|
try { |
1181 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1181 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1182 |
|
l.add(new StringTask()); |
1183 |
|
l.add(new StringTask()); |
1184 |
|
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1207 |
|
*/ |
1208 |
|
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1209 |
|
ExecutorService e = new CustomExecutor(2); |
1210 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1211 |
+ |
l.add(new StringTask()); |
1212 |
|
try { |
968 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
969 |
– |
l.add(new StringTask()); |
1213 |
|
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1214 |
|
shouldThrow(); |
1215 |
|
} catch (NullPointerException success) { |
1236 |
|
*/ |
1237 |
|
public void testTimedInvokeAll3() throws Exception { |
1238 |
|
ExecutorService e = new CustomExecutor(2); |
1239 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1240 |
+ |
l.add(new StringTask()); |
1241 |
+ |
l.add(null); |
1242 |
|
try { |
997 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
998 |
– |
l.add(new StringTask()); |
999 |
– |
l.add(null); |
1243 |
|
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1244 |
|
shouldThrow(); |
1245 |
|
} catch (NullPointerException success) { |
1253 |
|
*/ |
1254 |
|
public void testTimedInvokeAll4() throws Exception { |
1255 |
|
ExecutorService e = new CustomExecutor(2); |
1256 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1257 |
+ |
l.add(new NPETask()); |
1258 |
+ |
List<Future<String>> futures = |
1259 |
+ |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1260 |
+ |
assertEquals(1, futures.size()); |
1261 |
|
try { |
1262 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1015 |
< |
l.add(new NPETask()); |
1016 |
< |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1017 |
< |
assertEquals(1, result.size()); |
1018 |
< |
for (Future<String> future : result) |
1019 |
< |
future.get(); |
1262 |
> |
futures.get(0).get(); |
1263 |
|
shouldThrow(); |
1264 |
|
} catch (ExecutionException success) { |
1265 |
|
assertTrue(success.getCause() instanceof NullPointerException); |
1274 |
|
public void testTimedInvokeAll5() throws Exception { |
1275 |
|
ExecutorService e = new CustomExecutor(2); |
1276 |
|
try { |
1277 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1277 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1278 |
|
l.add(new StringTask()); |
1279 |
|
l.add(new StringTask()); |
1280 |
< |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1281 |
< |
assertEquals(2, result.size()); |
1282 |
< |
for (Future<String> future : result) |
1280 |
> |
List<Future<String>> futures = |
1281 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1282 |
> |
assertEquals(2, futures.size()); |
1283 |
> |
for (Future<String> future : futures) |
1284 |
|
assertSame(TEST_STRING, future.get()); |
1285 |
|
} finally { |
1286 |
|
joinPool(e); |
1293 |
|
public void testTimedInvokeAll6() throws Exception { |
1294 |
|
ExecutorService e = new CustomExecutor(2); |
1295 |
|
try { |
1296 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1297 |
< |
l.add(new StringTask()); |
1298 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1299 |
< |
l.add(new StringTask()); |
1300 |
< |
List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1301 |
< |
assertEquals(3, result.size()); |
1302 |
< |
Iterator<Future<String>> it = result.iterator(); |
1303 |
< |
Future<String> f1 = it.next(); |
1304 |
< |
Future<String> f2 = it.next(); |
1305 |
< |
Future<String> f3 = it.next(); |
1306 |
< |
assertTrue(f1.isDone()); |
1307 |
< |
assertTrue(f2.isDone()); |
1308 |
< |
assertTrue(f3.isDone()); |
1309 |
< |
assertFalse(f1.isCancelled()); |
1310 |
< |
assertTrue(f2.isCancelled()); |
1296 |
> |
for (long timeout = timeoutMillis();;) { |
1297 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1298 |
> |
tasks.add(new StringTask("0")); |
1299 |
> |
tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING)); |
1300 |
> |
tasks.add(new StringTask("2")); |
1301 |
> |
long startTime = System.nanoTime(); |
1302 |
> |
List<Future<String>> futures = |
1303 |
> |
e.invokeAll(tasks, timeout, MILLISECONDS); |
1304 |
> |
assertEquals(tasks.size(), futures.size()); |
1305 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1306 |
> |
for (Future future : futures) |
1307 |
> |
assertTrue(future.isDone()); |
1308 |
> |
assertTrue(futures.get(1).isCancelled()); |
1309 |
> |
try { |
1310 |
> |
assertEquals("0", futures.get(0).get()); |
1311 |
> |
assertEquals("2", futures.get(2).get()); |
1312 |
> |
break; |
1313 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1314 |
> |
timeout *= 2; |
1315 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1316 |
> |
fail("expected exactly one task to be cancelled"); |
1317 |
> |
} |
1318 |
> |
} |
1319 |
|
} finally { |
1320 |
|
joinPool(e); |
1321 |
|
} |