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/* |
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* Written by members of JCP JSR-166 Expert Group and released to the |
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* public domain. Use, modify, and redistribute this code in any way |
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* without acknowledgement. Other contributors include Andrew Wright, |
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* Jeffrey Hayes, Pat Fischer, Mike Judd. |
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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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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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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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|
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public class ScheduledExecutorTest extends TestCase{ |
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|
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boolean flag = false; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
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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.ExecutionException; |
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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.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.ThreadLocalRandom; |
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import java.util.concurrent.ThreadPoolExecutor; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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import java.util.concurrent.atomic.AtomicInteger; |
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import java.util.concurrent.atomic.AtomicLong; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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public class ScheduledExecutorTest 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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|
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|
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public static Test suite() { |
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return new TestSuite(ScheduledExecutorTest.class); |
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return new TestSuite(ScheduledExecutorTest.class); |
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} |
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|
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private static long SHORT_DELAY_MS = 100; |
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private static long MEDIUM_DELAY_MS = 1000; |
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private static long LONG_DELAY_MS = 10000; |
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|
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static class MyRunnable implements Runnable { |
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volatile boolean waiting = true; |
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volatile boolean done = false; |
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public void run(){ |
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try{ |
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Thread.sleep(SHORT_DELAY_MS); |
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waiting = false; |
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done = true; |
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} catch(Exception e){ |
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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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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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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() { done.countDown(); }}; |
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p.execute(task); |
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await(done); |
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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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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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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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} |
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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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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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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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} |
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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 Exception { |
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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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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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} |
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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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*/ |
124 |
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public void testSchedule5() throws Exception { |
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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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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); |
140 |
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} |
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} |
142 |
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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(); } |
146 |
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} |
147 |
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|
148 |
> |
/** |
149 |
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* scheduleAtFixedRate executes series of tasks at given rate. |
150 |
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* Eventually, it must hold that: |
151 |
> |
* cycles - 1 <= elapsedMillis/delay < cycles |
152 |
> |
*/ |
153 |
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public void testFixedRateSequence() throws InterruptedException { |
154 |
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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
156 |
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for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
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final long startTime = System.nanoTime(); |
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final int cycles = 8; |
159 |
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final CountDownLatch done = new CountDownLatch(cycles); |
160 |
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final Runnable task = new CheckedRunnable() { |
161 |
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public void realRun() { done.countDown(); }}; |
162 |
> |
final ScheduledFuture periodicTask = |
163 |
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p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
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final int totalDelayMillis = (cycles - 1) * delay; |
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await(done, totalDelayMillis + LONG_DELAY_MS); |
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periodicTask.cancel(true); |
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final long elapsedMillis = millisElapsedSince(startTime); |
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assertTrue(elapsedMillis >= totalDelayMillis); |
169 |
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if (elapsedMillis <= cycles * delay) |
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return; |
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// else retry with longer delay |
172 |
|
} |
173 |
+ |
fail("unexpected execution rate"); |
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} |
175 |
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} |
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|
177 |
< |
static class MyCallable implements Callable { |
178 |
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volatile boolean waiting = true; |
179 |
< |
volatile boolean done = false; |
180 |
< |
public Object call(){ |
181 |
< |
try{ |
182 |
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Thread.sleep(SHORT_DELAY_MS); |
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waiting = false; |
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done = true; |
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}catch(Exception e){} |
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return Boolean.TRUE; |
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> |
/** |
178 |
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* scheduleWithFixedDelay executes series of tasks with given period. |
179 |
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* Eventually, it must hold that each task starts at least delay and at |
180 |
> |
* most 2 * delay after the termination of the previous task. |
181 |
> |
*/ |
182 |
> |
public void testFixedDelaySequence() throws InterruptedException { |
183 |
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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
184 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
185 |
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for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
186 |
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final long startTime = System.nanoTime(); |
187 |
> |
final AtomicLong previous = new AtomicLong(startTime); |
188 |
> |
final AtomicBoolean tryLongerDelay = new AtomicBoolean(false); |
189 |
> |
final int cycles = 8; |
190 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
191 |
> |
final int d = delay; |
192 |
> |
final Runnable task = new CheckedRunnable() { |
193 |
> |
public void realRun() { |
194 |
> |
long now = System.nanoTime(); |
195 |
> |
long elapsedMillis |
196 |
> |
= NANOSECONDS.toMillis(now - previous.get()); |
197 |
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if (done.getCount() == cycles) { // first execution |
198 |
> |
if (elapsedMillis >= d) |
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tryLongerDelay.set(true); |
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} else { |
201 |
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assertTrue(elapsedMillis >= d); |
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if (elapsedMillis >= 2 * d) |
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> |
tryLongerDelay.set(true); |
204 |
> |
} |
205 |
> |
previous.set(now); |
206 |
> |
done.countDown(); |
207 |
> |
}}; |
208 |
> |
final ScheduledFuture periodicTask = |
209 |
> |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
210 |
> |
final int totalDelayMillis = (cycles - 1) * delay; |
211 |
> |
await(done, totalDelayMillis + cycles * LONG_DELAY_MS); |
212 |
> |
periodicTask.cancel(true); |
213 |
> |
final long elapsedMillis = millisElapsedSince(startTime); |
214 |
> |
assertTrue(elapsedMillis >= totalDelayMillis); |
215 |
> |
if (!tryLongerDelay.get()) |
216 |
> |
return; |
217 |
> |
// else retry with longer delay |
218 |
> |
} |
219 |
> |
fail("unexpected execution rate"); |
220 |
|
} |
221 |
|
} |
222 |
|
|
223 |
< |
public Runnable newRunnable(){ |
224 |
< |
return new Runnable(){ |
225 |
< |
public void run(){ |
226 |
< |
try{Thread.sleep(SHORT_DELAY_MS); |
227 |
< |
} catch(Exception e){ |
228 |
< |
} |
229 |
< |
} |
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< |
}; |
223 |
> |
/** |
224 |
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* execute(null) throws NPE |
225 |
> |
*/ |
226 |
> |
public void testExecuteNull() throws InterruptedException { |
227 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
228 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
229 |
> |
try { |
230 |
> |
p.execute(null); |
231 |
> |
shouldThrow(); |
232 |
> |
} catch (NullPointerException success) {} |
233 |
> |
} |
234 |
|
} |
235 |
|
|
236 |
< |
public Runnable newNoopRunnable() { |
237 |
< |
return new Runnable(){ |
238 |
< |
public void run(){ |
239 |
< |
} |
240 |
< |
}; |
236 |
> |
/** |
237 |
> |
* schedule(null) throws NPE |
238 |
> |
*/ |
239 |
> |
public void testScheduleNull() throws InterruptedException { |
240 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
241 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
242 |
> |
try { |
243 |
> |
TrackedCallable callable = null; |
244 |
> |
Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
245 |
> |
shouldThrow(); |
246 |
> |
} catch (NullPointerException success) {} |
247 |
> |
} |
248 |
|
} |
249 |
|
|
250 |
|
/** |
251 |
< |
* Test to verify execute successfully runs the given Runnable |
251 |
> |
* execute throws RejectedExecutionException if shutdown |
252 |
|
*/ |
253 |
< |
public void testExecute(){ |
254 |
< |
try{ |
255 |
< |
MyRunnable runnable =new MyRunnable(); |
256 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
257 |
< |
one.execute(runnable); |
258 |
< |
Thread.sleep(SHORT_DELAY_MS/2); |
259 |
< |
assertTrue(runnable.waiting); |
260 |
< |
one.shutdown(); |
261 |
< |
try{ |
262 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
85 |
< |
} catch(InterruptedException e){ |
86 |
< |
fail("unexpected exception"); |
87 |
< |
} |
88 |
< |
assertFalse(runnable.waiting); |
89 |
< |
assertTrue(runnable.done); |
90 |
< |
one.shutdown(); |
253 |
> |
public void testSchedule1_RejectedExecutionException() throws InterruptedException { |
254 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
255 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
256 |
> |
try { |
257 |
> |
p.shutdown(); |
258 |
> |
p.schedule(new NoOpRunnable(), |
259 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
260 |
> |
shouldThrow(); |
261 |
> |
} catch (RejectedExecutionException success) { |
262 |
> |
} catch (SecurityException ok) {} |
263 |
|
} |
264 |
< |
catch(Exception e){ |
265 |
< |
fail("unexpected exception"); |
264 |
> |
} |
265 |
> |
|
266 |
> |
/** |
267 |
> |
* schedule throws RejectedExecutionException if shutdown |
268 |
> |
*/ |
269 |
> |
public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
270 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
271 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
272 |
> |
try { |
273 |
> |
p.shutdown(); |
274 |
> |
p.schedule(new NoOpCallable(), |
275 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
276 |
> |
shouldThrow(); |
277 |
> |
} catch (RejectedExecutionException success) { |
278 |
> |
} catch (SecurityException ok) {} |
279 |
|
} |
280 |
|
} |
281 |
|
|
282 |
|
/** |
283 |
< |
* Test to verify schedule successfully runs the given Callable. |
99 |
< |
* The waiting flag shows that the Callable is not started until |
100 |
< |
* immediately. |
283 |
> |
* schedule callable throws RejectedExecutionException if shutdown |
284 |
|
*/ |
285 |
< |
public void testSchedule1(){ |
286 |
< |
try{ |
287 |
< |
MyCallable callable = new MyCallable(); |
288 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
289 |
< |
Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
290 |
< |
assertTrue(callable.waiting); |
291 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
292 |
< |
assertTrue(callable.done); |
293 |
< |
assertEquals(Boolean.TRUE, f.get()); |
294 |
< |
one.shutdown(); |
112 |
< |
}catch(RejectedExecutionException e){} |
113 |
< |
catch(Exception e){ |
114 |
< |
fail("unexpected exception"); |
285 |
> |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
286 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
287 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
288 |
> |
try { |
289 |
> |
p.shutdown(); |
290 |
> |
p.schedule(new NoOpCallable(), |
291 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
292 |
> |
shouldThrow(); |
293 |
> |
} catch (RejectedExecutionException success) { |
294 |
> |
} catch (SecurityException ok) {} |
295 |
|
} |
296 |
|
} |
297 |
|
|
298 |
|
/** |
299 |
< |
* Another version of schedule, only using Runnable instead of Callable |
299 |
> |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
300 |
|
*/ |
301 |
< |
public void testSchedule3(){ |
302 |
< |
try{ |
303 |
< |
MyRunnable runnable = new MyRunnable(); |
304 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
305 |
< |
one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
306 |
< |
Thread.sleep(SHORT_DELAY_MS/2); |
307 |
< |
assertTrue(runnable.waiting); |
308 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
309 |
< |
assertTrue(runnable.done); |
310 |
< |
one.shutdown(); |
131 |
< |
} catch(Exception e){ |
132 |
< |
fail("unexpected exception"); |
301 |
> |
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
302 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
303 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
304 |
> |
try { |
305 |
> |
p.shutdown(); |
306 |
> |
p.scheduleAtFixedRate(new NoOpRunnable(), |
307 |
> |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
308 |
> |
shouldThrow(); |
309 |
> |
} catch (RejectedExecutionException success) { |
310 |
> |
} catch (SecurityException ok) {} |
311 |
|
} |
312 |
|
} |
313 |
< |
|
313 |
> |
|
314 |
|
/** |
315 |
< |
* The final version of schedule, using both long, TimeUnit and Runnable |
315 |
> |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
316 |
|
*/ |
317 |
< |
public void testSchedule4(){ |
318 |
< |
try{ |
319 |
< |
MyRunnable runnable = new MyRunnable(); |
320 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
321 |
< |
one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
322 |
< |
// Thread.sleep(505); |
323 |
< |
assertTrue(runnable.waiting); |
324 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
325 |
< |
assertTrue(runnable.done); |
326 |
< |
one.shutdown(); |
149 |
< |
} catch(Exception e){ |
150 |
< |
fail("unexpected exception"); |
317 |
> |
public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
318 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
319 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
320 |
> |
try { |
321 |
> |
p.shutdown(); |
322 |
> |
p.scheduleWithFixedDelay(new NoOpRunnable(), |
323 |
> |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
324 |
> |
shouldThrow(); |
325 |
> |
} catch (RejectedExecutionException success) { |
326 |
> |
} catch (SecurityException ok) {} |
327 |
|
} |
328 |
|
} |
153 |
– |
|
154 |
– |
|
155 |
– |
// exception tests |
329 |
|
|
330 |
|
/** |
331 |
< |
* Test to verify schedule(Runnable, long) throws RejectedExecutionException |
332 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
331 |
> |
* getActiveCount increases but doesn't overestimate, when a |
332 |
> |
* thread becomes active |
333 |
|
*/ |
334 |
< |
public void testSchedule1_RejectedExecutionException(){ |
335 |
< |
try{ |
336 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
337 |
< |
se.shutdown(); |
338 |
< |
se.schedule(new Runnable(){ |
339 |
< |
public void run(){} |
340 |
< |
}, 10000, TimeUnit.MILLISECONDS); |
341 |
< |
fail("shoud throw"); |
342 |
< |
}catch(RejectedExecutionException e){} |
334 |
> |
public void testGetActiveCount() throws InterruptedException { |
335 |
> |
final CountDownLatch done = new CountDownLatch(1); |
336 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
337 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
338 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
339 |
> |
assertEquals(0, p.getActiveCount()); |
340 |
> |
p.execute(new CheckedRunnable() { |
341 |
> |
public void realRun() throws InterruptedException { |
342 |
> |
threadStarted.countDown(); |
343 |
> |
assertEquals(1, p.getActiveCount()); |
344 |
> |
await(done); |
345 |
> |
}}); |
346 |
> |
await(threadStarted); |
347 |
> |
assertEquals(1, p.getActiveCount()); |
348 |
> |
} |
349 |
|
} |
350 |
|
|
351 |
|
/** |
352 |
< |
* Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException |
353 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
352 |
> |
* getCompletedTaskCount increases, but doesn't overestimate, |
353 |
> |
* when tasks complete |
354 |
|
*/ |
355 |
< |
public void testSchedule2_RejectedExecutionException(){ |
356 |
< |
try{ |
357 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
358 |
< |
se.shutdown(); |
359 |
< |
se.schedule(new Callable(){ |
360 |
< |
public Object call(){ |
361 |
< |
return Boolean.TRUE; |
362 |
< |
} |
363 |
< |
}, (long)100, TimeUnit.SECONDS); |
364 |
< |
fail("should throw"); |
365 |
< |
}catch(RejectedExecutionException e){} |
355 |
> |
public void testGetCompletedTaskCount() throws InterruptedException { |
356 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
357 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
358 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
359 |
> |
final CountDownLatch threadProceed = new CountDownLatch(1); |
360 |
> |
final CountDownLatch threadDone = new CountDownLatch(1); |
361 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
362 |
> |
p.execute(new CheckedRunnable() { |
363 |
> |
public void realRun() throws InterruptedException { |
364 |
> |
threadStarted.countDown(); |
365 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
366 |
> |
await(threadProceed); |
367 |
> |
threadDone.countDown(); |
368 |
> |
}}); |
369 |
> |
await(threadStarted); |
370 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
371 |
> |
threadProceed.countDown(); |
372 |
> |
await(threadDone); |
373 |
> |
long startTime = System.nanoTime(); |
374 |
> |
while (p.getCompletedTaskCount() != 1) { |
375 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
376 |
> |
fail("timed out"); |
377 |
> |
Thread.yield(); |
378 |
> |
} |
379 |
> |
} |
380 |
|
} |
381 |
|
|
382 |
|
/** |
383 |
< |
* Test to verify schedule(Callable, long) throws RejectedExecutionException |
191 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
383 |
> |
* getCorePoolSize returns size given in constructor if not otherwise set |
384 |
|
*/ |
385 |
< |
public void testSchedule3_RejectedExecutionException(){ |
386 |
< |
try{ |
387 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
388 |
< |
se.shutdown(); |
389 |
< |
se.schedule(new Callable(){ |
390 |
< |
public Object call(){ |
391 |
< |
return Boolean.TRUE; |
392 |
< |
} |
393 |
< |
}, 10000, TimeUnit.MILLISECONDS); |
394 |
< |
fail("should throw"); |
395 |
< |
}catch(RejectedExecutionException e){} |
385 |
> |
public void testGetCorePoolSize() throws InterruptedException { |
386 |
> |
ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
387 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
388 |
> |
assertEquals(1, p.getCorePoolSize()); |
389 |
> |
} |
390 |
> |
} |
391 |
> |
|
392 |
> |
/** |
393 |
> |
* getLargestPoolSize increases, but doesn't overestimate, when |
394 |
> |
* multiple threads active |
395 |
> |
*/ |
396 |
> |
public void testGetLargestPoolSize() throws InterruptedException { |
397 |
> |
final int THREADS = 3; |
398 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS); |
399 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
400 |
> |
final CountDownLatch done = new CountDownLatch(1); |
401 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
402 |
> |
assertEquals(0, p.getLargestPoolSize()); |
403 |
> |
for (int i = 0; i < THREADS; i++) |
404 |
> |
p.execute(new CheckedRunnable() { |
405 |
> |
public void realRun() throws InterruptedException { |
406 |
> |
threadsStarted.countDown(); |
407 |
> |
await(done); |
408 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
409 |
> |
}}); |
410 |
> |
await(threadsStarted); |
411 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
412 |
> |
} |
413 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
414 |
> |
} |
415 |
> |
|
416 |
> |
/** |
417 |
> |
* getPoolSize increases, but doesn't overestimate, when threads |
418 |
> |
* become active |
419 |
> |
*/ |
420 |
> |
public void testGetPoolSize() throws InterruptedException { |
421 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
422 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
423 |
> |
final CountDownLatch done = new CountDownLatch(1); |
424 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
425 |
> |
assertEquals(0, p.getPoolSize()); |
426 |
> |
p.execute(new CheckedRunnable() { |
427 |
> |
public void realRun() throws InterruptedException { |
428 |
> |
threadStarted.countDown(); |
429 |
> |
assertEquals(1, p.getPoolSize()); |
430 |
> |
await(done); |
431 |
> |
}}); |
432 |
> |
await(threadStarted); |
433 |
> |
assertEquals(1, p.getPoolSize()); |
434 |
> |
} |
435 |
> |
} |
436 |
> |
|
437 |
> |
/** |
438 |
> |
* getTaskCount increases, but doesn't overestimate, when tasks |
439 |
> |
* submitted |
440 |
> |
*/ |
441 |
> |
public void testGetTaskCount() throws InterruptedException { |
442 |
> |
final int TASKS = 3; |
443 |
> |
final CountDownLatch done = new CountDownLatch(1); |
444 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
445 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
446 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
447 |
> |
assertEquals(0, p.getTaskCount()); |
448 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
449 |
> |
p.execute(new CheckedRunnable() { |
450 |
> |
public void realRun() throws InterruptedException { |
451 |
> |
threadStarted.countDown(); |
452 |
> |
await(done); |
453 |
> |
}}); |
454 |
> |
await(threadStarted); |
455 |
> |
assertEquals(1, p.getTaskCount()); |
456 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
457 |
> |
for (int i = 0; i < TASKS; i++) { |
458 |
> |
assertEquals(1 + i, p.getTaskCount()); |
459 |
> |
p.execute(new CheckedRunnable() { |
460 |
> |
public void realRun() throws InterruptedException { |
461 |
> |
threadStarted.countDown(); |
462 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
463 |
> |
await(done); |
464 |
> |
}}); |
465 |
> |
} |
466 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
467 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
468 |
> |
} |
469 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
470 |
> |
assertEquals(1 + TASKS, p.getCompletedTaskCount()); |
471 |
|
} |
472 |
|
|
473 |
|
/** |
474 |
< |
* Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws |
208 |
< |
* RejectedExecutionException. |
209 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
474 |
> |
* getThreadFactory returns factory in constructor if not set |
475 |
|
*/ |
476 |
< |
public void testScheduleAtFixedRate1_RejectedExecutionException(){ |
477 |
< |
try{ |
478 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
479 |
< |
se.shutdown(); |
480 |
< |
se.scheduleAtFixedRate(new Runnable(){ |
481 |
< |
public void run(){} |
482 |
< |
}, 100, 100, TimeUnit.SECONDS); |
218 |
< |
fail("should throw"); |
219 |
< |
}catch(RejectedExecutionException e){} |
476 |
> |
public void testGetThreadFactory() throws InterruptedException { |
477 |
> |
final ThreadFactory threadFactory = new SimpleThreadFactory(); |
478 |
> |
final ScheduledThreadPoolExecutor p = |
479 |
> |
new ScheduledThreadPoolExecutor(1, threadFactory); |
480 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
481 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
482 |
> |
} |
483 |
|
} |
484 |
< |
|
484 |
> |
|
485 |
|
/** |
486 |
< |
* Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws |
224 |
< |
* RejectedExecutionException. |
225 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
486 |
> |
* setThreadFactory sets the thread factory returned by getThreadFactory |
487 |
|
*/ |
488 |
< |
public void testScheduleAtFixedRate2_RejectedExecutionException(){ |
489 |
< |
try{ |
490 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
491 |
< |
se.shutdown(); |
492 |
< |
se.scheduleAtFixedRate(new Runnable(){ |
493 |
< |
public void run(){} |
494 |
< |
}, 1, 100, TimeUnit.SECONDS); |
234 |
< |
fail("should throw"); |
235 |
< |
}catch(RejectedExecutionException e){} |
488 |
> |
public void testSetThreadFactory() throws InterruptedException { |
489 |
> |
ThreadFactory threadFactory = new SimpleThreadFactory(); |
490 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
491 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
492 |
> |
p.setThreadFactory(threadFactory); |
493 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
494 |
> |
} |
495 |
|
} |
496 |
|
|
497 |
|
/** |
498 |
< |
* Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws |
240 |
< |
* RejectedExecutionException. |
241 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
498 |
> |
* setThreadFactory(null) throws NPE |
499 |
|
*/ |
500 |
< |
public void testScheduleWithFixedDelay1_RejectedExecutionException(){ |
501 |
< |
try{ |
502 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
503 |
< |
se.shutdown(); |
504 |
< |
se.scheduleWithFixedDelay(new Runnable(){ |
505 |
< |
public void run(){} |
506 |
< |
}, 100, 100, TimeUnit.SECONDS); |
507 |
< |
fail("should throw"); |
251 |
< |
}catch(RejectedExecutionException e){} |
500 |
> |
public void testSetThreadFactoryNull() throws InterruptedException { |
501 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
502 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
503 |
> |
try { |
504 |
> |
p.setThreadFactory(null); |
505 |
> |
shouldThrow(); |
506 |
> |
} catch (NullPointerException success) {} |
507 |
> |
} |
508 |
|
} |
509 |
|
|
510 |
|
/** |
511 |
< |
* Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws |
256 |
< |
* RejectedExecutionException. |
257 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
511 |
> |
* The default rejected execution handler is AbortPolicy. |
512 |
|
*/ |
513 |
< |
public void testScheduleWithFixedDelay2_RejectedExecutionException(){ |
514 |
< |
try{ |
515 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
516 |
< |
se.shutdown(); |
517 |
< |
se.scheduleWithFixedDelay(new Runnable(){ |
518 |
< |
public void run(){} |
265 |
< |
}, 1, 100, TimeUnit.SECONDS); |
266 |
< |
fail("should throw"); |
267 |
< |
}catch(RejectedExecutionException e){} |
513 |
> |
public void testDefaultRejectedExecutionHandler() { |
514 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
515 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
516 |
> |
assertTrue(p.getRejectedExecutionHandler() |
517 |
> |
instanceof ThreadPoolExecutor.AbortPolicy); |
518 |
> |
} |
519 |
|
} |
520 |
|
|
521 |
|
/** |
522 |
< |
* Test to verify execute throws RejectedExecutionException |
272 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
522 |
> |
* isShutdown is false before shutdown, true after |
523 |
|
*/ |
524 |
< |
public void testExecute_RejectedExecutionException(){ |
525 |
< |
try{ |
526 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
527 |
< |
se.shutdown(); |
528 |
< |
se.execute(new Runnable(){ |
529 |
< |
public void run(){} |
530 |
< |
}); |
531 |
< |
fail("should throw"); |
532 |
< |
}catch(RejectedExecutionException e){} |
524 |
> |
public void testIsShutdown() { |
525 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
526 |
> |
assertFalse(p.isShutdown()); |
527 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
528 |
> |
try { |
529 |
> |
p.shutdown(); |
530 |
> |
assertTrue(p.isShutdown()); |
531 |
> |
} catch (SecurityException ok) {} |
532 |
> |
} |
533 |
|
} |
534 |
|
|
535 |
+ |
/** |
536 |
+ |
* isTerminated is false before termination, true after |
537 |
+ |
*/ |
538 |
+ |
public void testIsTerminated() throws InterruptedException { |
539 |
+ |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
540 |
+ |
try (PoolCleaner cleaner = cleaner(p)) { |
541 |
+ |
final CountDownLatch threadStarted = new CountDownLatch(1); |
542 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
543 |
+ |
assertFalse(p.isTerminated()); |
544 |
+ |
p.execute(new CheckedRunnable() { |
545 |
+ |
public void realRun() throws InterruptedException { |
546 |
+ |
assertFalse(p.isTerminated()); |
547 |
+ |
threadStarted.countDown(); |
548 |
+ |
await(done); |
549 |
+ |
}}); |
550 |
+ |
await(threadStarted); |
551 |
+ |
assertFalse(p.isTerminating()); |
552 |
+ |
done.countDown(); |
553 |
+ |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
554 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
555 |
+ |
assertTrue(p.isTerminated()); |
556 |
+ |
} |
557 |
+ |
} |
558 |
|
|
559 |
+ |
/** |
560 |
+ |
* isTerminating is not true when running or when terminated |
561 |
+ |
*/ |
562 |
+ |
public void testIsTerminating() throws InterruptedException { |
563 |
+ |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
564 |
+ |
final CountDownLatch threadStarted = new CountDownLatch(1); |
565 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
566 |
+ |
try (PoolCleaner cleaner = cleaner(p)) { |
567 |
+ |
assertFalse(p.isTerminating()); |
568 |
+ |
p.execute(new CheckedRunnable() { |
569 |
+ |
public void realRun() throws InterruptedException { |
570 |
+ |
assertFalse(p.isTerminating()); |
571 |
+ |
threadStarted.countDown(); |
572 |
+ |
await(done); |
573 |
+ |
}}); |
574 |
+ |
await(threadStarted); |
575 |
+ |
assertFalse(p.isTerminating()); |
576 |
+ |
done.countDown(); |
577 |
+ |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
578 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
579 |
+ |
assertTrue(p.isTerminated()); |
580 |
+ |
assertFalse(p.isTerminating()); |
581 |
+ |
} |
582 |
+ |
} |
583 |
|
|
584 |
|
/** |
585 |
< |
* Test to verify getActiveCount gives correct values |
585 |
> |
* getQueue returns the work queue, which contains queued tasks |
586 |
|
*/ |
587 |
< |
public void testGetActiveCount(){ |
588 |
< |
ScheduledExecutor two = new ScheduledExecutor(2); |
589 |
< |
try { |
590 |
< |
assertEquals(0, two.getActiveCount()); |
591 |
< |
two.execute(newRunnable()); |
592 |
< |
try{ |
593 |
< |
Thread.sleep(SHORT_DELAY_MS/2); |
594 |
< |
} catch(Exception e){ |
595 |
< |
fail("unexpected exception"); |
587 |
> |
public void testGetQueue() throws InterruptedException { |
588 |
> |
final CountDownLatch done = new CountDownLatch(1); |
589 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
590 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
591 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
592 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
593 |
> |
for (int i = 0; i < tasks.length; i++) { |
594 |
> |
Runnable r = new CheckedRunnable() { |
595 |
> |
public void realRun() throws InterruptedException { |
596 |
> |
threadStarted.countDown(); |
597 |
> |
await(done); |
598 |
> |
}}; |
599 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
600 |
|
} |
601 |
< |
assertEquals(1, two.getActiveCount()); |
602 |
< |
} finally { |
603 |
< |
two.shutdown(); |
601 |
> |
await(threadStarted); |
602 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
603 |
> |
assertTrue(q.contains(tasks[tasks.length - 1])); |
604 |
> |
assertFalse(q.contains(tasks[0])); |
605 |
|
} |
606 |
|
} |
607 |
< |
|
607 |
> |
|
608 |
|
/** |
609 |
< |
* Test to verify getCompleteTaskCount gives correct values |
610 |
< |
*/ |
611 |
< |
public void testGetCompletedTaskCount(){ |
612 |
< |
ScheduledExecutor two = new ScheduledExecutor(2); |
609 |
> |
* remove(task) removes queued task, and fails to remove active task |
610 |
> |
*/ |
611 |
> |
public void testRemove() throws InterruptedException { |
612 |
> |
final CountDownLatch done = new CountDownLatch(1); |
613 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
614 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
615 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
616 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
617 |
> |
for (int i = 0; i < tasks.length; i++) { |
618 |
> |
Runnable r = new CheckedRunnable() { |
619 |
> |
public void realRun() throws InterruptedException { |
620 |
> |
threadStarted.countDown(); |
621 |
> |
await(done); |
622 |
> |
}}; |
623 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
624 |
> |
} |
625 |
> |
await(threadStarted); |
626 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
627 |
> |
assertFalse(p.remove((Runnable)tasks[0])); |
628 |
> |
assertTrue(q.contains((Runnable)tasks[4])); |
629 |
> |
assertTrue(q.contains((Runnable)tasks[3])); |
630 |
> |
assertTrue(p.remove((Runnable)tasks[4])); |
631 |
> |
assertFalse(p.remove((Runnable)tasks[4])); |
632 |
> |
assertFalse(q.contains((Runnable)tasks[4])); |
633 |
> |
assertTrue(q.contains((Runnable)tasks[3])); |
634 |
> |
assertTrue(p.remove((Runnable)tasks[3])); |
635 |
> |
assertFalse(q.contains((Runnable)tasks[3])); |
636 |
> |
} |
637 |
> |
} |
638 |
> |
|
639 |
> |
/** |
640 |
> |
* purge eventually removes cancelled tasks from the queue |
641 |
> |
*/ |
642 |
> |
public void testPurge() throws InterruptedException { |
643 |
> |
final ScheduledFuture[] tasks = new ScheduledFuture[5]; |
644 |
> |
final Runnable releaser = new Runnable() { public void run() { |
645 |
> |
for (ScheduledFuture task : tasks) |
646 |
> |
if (task != null) task.cancel(true); }}; |
647 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
648 |
> |
try (PoolCleaner cleaner = cleaner(p, releaser)) { |
649 |
> |
for (int i = 0; i < tasks.length; i++) |
650 |
> |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
651 |
> |
LONG_DELAY_MS, MILLISECONDS); |
652 |
> |
int max = tasks.length; |
653 |
> |
if (tasks[4].cancel(true)) --max; |
654 |
> |
if (tasks[3].cancel(true)) --max; |
655 |
> |
// There must eventually be an interference-free point at |
656 |
> |
// which purge will not fail. (At worst, when queue is empty.) |
657 |
> |
long startTime = System.nanoTime(); |
658 |
> |
do { |
659 |
> |
p.purge(); |
660 |
> |
long count = p.getTaskCount(); |
661 |
> |
if (count == max) |
662 |
> |
return; |
663 |
> |
} while (millisElapsedSince(startTime) < LONG_DELAY_MS); |
664 |
> |
fail("Purge failed to remove cancelled tasks"); |
665 |
> |
} |
666 |
> |
} |
667 |
> |
|
668 |
> |
/** |
669 |
> |
* shutdownNow returns a list containing tasks that were not run, |
670 |
> |
* and those tasks are drained from the queue |
671 |
> |
*/ |
672 |
> |
public void testShutdownNow() throws InterruptedException { |
673 |
> |
final int poolSize = 2; |
674 |
> |
final int count = 5; |
675 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
676 |
> |
final ScheduledThreadPoolExecutor p = |
677 |
> |
new ScheduledThreadPoolExecutor(poolSize); |
678 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
679 |
> |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
680 |
> |
threadsStarted.countDown(); |
681 |
> |
try { |
682 |
> |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
683 |
> |
} catch (InterruptedException success) {} |
684 |
> |
ran.getAndIncrement(); |
685 |
> |
}}; |
686 |
> |
for (int i = 0; i < count; i++) |
687 |
> |
p.execute(waiter); |
688 |
> |
await(threadsStarted); |
689 |
> |
assertEquals(poolSize, p.getActiveCount()); |
690 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
691 |
> |
final List<Runnable> queuedTasks; |
692 |
|
try { |
693 |
< |
assertEquals(0, two.getCompletedTaskCount()); |
694 |
< |
two.execute(newRunnable()); |
695 |
< |
try{ |
696 |
< |
Thread.sleep(MEDIUM_DELAY_MS/2); |
697 |
< |
} catch(Exception e){ |
698 |
< |
fail("unexpected exception"); |
693 |
> |
queuedTasks = p.shutdownNow(); |
694 |
> |
} catch (SecurityException ok) { |
695 |
> |
return; // Allowed in case test doesn't have privs |
696 |
> |
} |
697 |
> |
assertTrue(p.isShutdown()); |
698 |
> |
assertTrue(p.getQueue().isEmpty()); |
699 |
> |
assertEquals(count - poolSize, queuedTasks.size()); |
700 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
701 |
> |
assertTrue(p.isTerminated()); |
702 |
> |
assertEquals(poolSize, ran.get()); |
703 |
> |
assertEquals(poolSize, p.getCompletedTaskCount()); |
704 |
> |
} |
705 |
> |
|
706 |
> |
/** |
707 |
> |
* shutdownNow returns a list containing tasks that were not run, |
708 |
> |
* and those tasks are drained from the queue |
709 |
> |
*/ |
710 |
> |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
711 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
712 |
> |
List<ScheduledFuture> tasks = new ArrayList<>(); |
713 |
> |
for (int i = 0; i < 3; i++) { |
714 |
> |
Runnable r = new NoOpRunnable(); |
715 |
> |
tasks.add(p.schedule(r, 9, SECONDS)); |
716 |
> |
tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
717 |
> |
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
718 |
> |
} |
719 |
> |
if (testImplementationDetails) |
720 |
> |
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
721 |
> |
final List<Runnable> queuedTasks; |
722 |
> |
try { |
723 |
> |
queuedTasks = p.shutdownNow(); |
724 |
> |
} catch (SecurityException ok) { |
725 |
> |
return; // Allowed in case test doesn't have privs |
726 |
> |
} |
727 |
> |
assertTrue(p.isShutdown()); |
728 |
> |
assertTrue(p.getQueue().isEmpty()); |
729 |
> |
if (testImplementationDetails) |
730 |
> |
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
731 |
> |
assertEquals(tasks.size(), queuedTasks.size()); |
732 |
> |
for (ScheduledFuture task : tasks) { |
733 |
> |
assertFalse(task.isDone()); |
734 |
> |
assertFalse(task.isCancelled()); |
735 |
> |
} |
736 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
737 |
> |
assertTrue(p.isTerminated()); |
738 |
> |
} |
739 |
> |
|
740 |
> |
/** |
741 |
> |
* By default, periodic tasks are cancelled at shutdown. |
742 |
> |
* By default, delayed tasks keep running after shutdown. |
743 |
> |
* Check that changing the default values work: |
744 |
> |
* - setExecuteExistingDelayedTasksAfterShutdownPolicy |
745 |
> |
* - setContinueExistingPeriodicTasksAfterShutdownPolicy |
746 |
> |
*/ |
747 |
> |
public void testShutdown_cancellation() throws Exception { |
748 |
> |
final int poolSize = 2; |
749 |
> |
final ScheduledThreadPoolExecutor p |
750 |
> |
= new ScheduledThreadPoolExecutor(poolSize); |
751 |
> |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
752 |
> |
final boolean effectiveDelayedPolicy; |
753 |
> |
final boolean effectivePeriodicPolicy; |
754 |
> |
final boolean effectiveRemovePolicy; |
755 |
> |
|
756 |
> |
if (rnd.nextBoolean()) |
757 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy( |
758 |
> |
effectiveDelayedPolicy = rnd.nextBoolean()); |
759 |
> |
else |
760 |
> |
effectiveDelayedPolicy = true; |
761 |
> |
assertEquals(effectiveDelayedPolicy, |
762 |
> |
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
763 |
> |
|
764 |
> |
if (rnd.nextBoolean()) |
765 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy( |
766 |
> |
effectivePeriodicPolicy = rnd.nextBoolean()); |
767 |
> |
else |
768 |
> |
effectivePeriodicPolicy = false; |
769 |
> |
assertEquals(effectivePeriodicPolicy, |
770 |
> |
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
771 |
> |
|
772 |
> |
if (rnd.nextBoolean()) |
773 |
> |
p.setRemoveOnCancelPolicy( |
774 |
> |
effectiveRemovePolicy = rnd.nextBoolean()); |
775 |
> |
else |
776 |
> |
effectiveRemovePolicy = false; |
777 |
> |
assertEquals(effectiveRemovePolicy, |
778 |
> |
p.getRemoveOnCancelPolicy()); |
779 |
> |
|
780 |
> |
// Strategy: Wedge the pool with poolSize "blocker" threads |
781 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
782 |
> |
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
783 |
> |
final CountDownLatch unblock = new CountDownLatch(1); |
784 |
> |
final CountDownLatch periodicLatch1 = new CountDownLatch(2); |
785 |
> |
final CountDownLatch periodicLatch2 = new CountDownLatch(2); |
786 |
> |
Runnable task = new CheckedRunnable() { public void realRun() |
787 |
> |
throws InterruptedException { |
788 |
> |
poolBlocked.countDown(); |
789 |
> |
await(unblock); |
790 |
> |
ran.getAndIncrement(); |
791 |
> |
}}; |
792 |
> |
List<Future<?>> blockers = new ArrayList<>(); |
793 |
> |
List<Future<?>> periodics = new ArrayList<>(); |
794 |
> |
List<Future<?>> delayeds = new ArrayList<>(); |
795 |
> |
for (int i = 0; i < poolSize; i++) |
796 |
> |
blockers.add(p.submit(task)); |
797 |
> |
await(poolBlocked); |
798 |
> |
|
799 |
> |
periodics.add(p.scheduleAtFixedRate( |
800 |
> |
countDowner(periodicLatch1), 1, 1, MILLISECONDS)); |
801 |
> |
periodics.add(p.scheduleWithFixedDelay( |
802 |
> |
countDowner(periodicLatch2), 1, 1, MILLISECONDS)); |
803 |
> |
delayeds.add(p.schedule(task, 1, MILLISECONDS)); |
804 |
> |
|
805 |
> |
assertTrue(p.getQueue().containsAll(periodics)); |
806 |
> |
assertTrue(p.getQueue().containsAll(delayeds)); |
807 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
808 |
> |
assertTrue(p.isShutdown()); |
809 |
> |
assertFalse(p.isTerminated()); |
810 |
> |
for (Future<?> periodic : periodics) { |
811 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled()); |
812 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isDone()); |
813 |
> |
} |
814 |
> |
for (Future<?> delayed : delayeds) { |
815 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled()); |
816 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isDone()); |
817 |
> |
} |
818 |
> |
if (testImplementationDetails) { |
819 |
> |
assertEquals(effectivePeriodicPolicy, |
820 |
> |
p.getQueue().containsAll(periodics)); |
821 |
> |
assertEquals(effectiveDelayedPolicy, |
822 |
> |
p.getQueue().containsAll(delayeds)); |
823 |
> |
} |
824 |
> |
unblock.countDown(); // Release all pool threads |
825 |
> |
|
826 |
> |
if (effectiveDelayedPolicy) |
827 |
> |
for (Future<?> delayed : delayeds) assertNull(delayed.get()); |
828 |
> |
if (effectivePeriodicPolicy) { |
829 |
> |
await(periodicLatch1); |
830 |
> |
await(periodicLatch2); |
831 |
> |
for (Future<?> periodic : periodics) { |
832 |
> |
assertTrue(periodic.cancel(false)); |
833 |
> |
assertTrue(periodic.isCancelled()); |
834 |
> |
assertTrue(periodic.isDone()); |
835 |
|
} |
319 |
– |
assertEquals(1, two.getCompletedTaskCount()); |
320 |
– |
} finally { |
321 |
– |
two.shutdown(); |
836 |
|
} |
837 |
+ |
for (Future<?> blocker : blockers) assertNull(blocker.get()); |
838 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
839 |
+ |
assertTrue(p.isTerminated()); |
840 |
+ |
|
841 |
+ |
for (Future<?> future : delayeds) { |
842 |
+ |
assertTrue(effectiveDelayedPolicy ^ future.isCancelled()); |
843 |
+ |
assertTrue(future.isDone()); |
844 |
+ |
} |
845 |
+ |
for (Future<?> future : periodics) |
846 |
+ |
assertTrue(future.isCancelled()); |
847 |
+ |
for (Future<?> future : blockers) |
848 |
+ |
assertNull(future.get()); |
849 |
+ |
assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get()); |
850 |
|
} |
851 |
< |
|
851 |
> |
|
852 |
|
/** |
853 |
< |
* Test to verify getCorePoolSize gives correct values |
853 |
> |
* completed submit of callable returns result |
854 |
|
*/ |
855 |
< |
public void testGetCorePoolSize(){ |
856 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
857 |
< |
try { |
858 |
< |
assertEquals(1, one.getCorePoolSize()); |
859 |
< |
} finally { |
860 |
< |
one.shutdown(); |
855 |
> |
public void testSubmitCallable() throws Exception { |
856 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
857 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
858 |
> |
Future<String> future = e.submit(new StringTask()); |
859 |
> |
String result = future.get(); |
860 |
> |
assertSame(TEST_STRING, result); |
861 |
|
} |
862 |
|
} |
863 |
< |
|
863 |
> |
|
864 |
|
/** |
865 |
< |
* Test to verify getLargestPoolSize gives correct values |
865 |
> |
* completed submit of runnable returns successfully |
866 |
|
*/ |
867 |
< |
public void testGetLargestPoolSize(){ |
868 |
< |
ScheduledExecutor two = new ScheduledExecutor(2); |
869 |
< |
try { |
870 |
< |
assertEquals(0, two.getLargestPoolSize()); |
871 |
< |
two.execute(newRunnable()); |
872 |
< |
two.execute(newRunnable()); |
346 |
< |
try{ |
347 |
< |
Thread.sleep(SHORT_DELAY_MS/2); |
348 |
< |
} catch(Exception e){ |
349 |
< |
fail("unexpected exception"); |
350 |
< |
} |
351 |
< |
assertEquals(2, two.getLargestPoolSize()); |
352 |
< |
} finally { |
353 |
< |
two.shutdown(); |
867 |
> |
public void testSubmitRunnable() throws Exception { |
868 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
869 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
870 |
> |
Future<?> future = e.submit(new NoOpRunnable()); |
871 |
> |
future.get(); |
872 |
> |
assertTrue(future.isDone()); |
873 |
|
} |
874 |
|
} |
875 |
< |
|
875 |
> |
|
876 |
|
/** |
877 |
< |
* Test to verify getPoolSize gives correct values |
877 |
> |
* completed submit of (runnable, result) returns result |
878 |
|
*/ |
879 |
< |
public void testGetPoolSize(){ |
880 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
881 |
< |
try { |
882 |
< |
assertEquals(0, one.getPoolSize()); |
883 |
< |
one.execute(newRunnable()); |
884 |
< |
assertEquals(1, one.getPoolSize()); |
366 |
< |
} finally { |
367 |
< |
one.shutdown(); |
879 |
> |
public void testSubmitRunnable2() throws Exception { |
880 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
881 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
882 |
> |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
883 |
> |
String result = future.get(); |
884 |
> |
assertSame(TEST_STRING, result); |
885 |
|
} |
886 |
|
} |
887 |
< |
|
887 |
> |
|
888 |
|
/** |
889 |
< |
* Test to verify getTaskCount gives correct values |
889 |
> |
* invokeAny(null) throws NPE |
890 |
|
*/ |
891 |
< |
public void testGetTaskCount(){ |
892 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
893 |
< |
try { |
894 |
< |
assertEquals(0, one.getTaskCount()); |
895 |
< |
for(int i = 0; i < 5; i++) |
896 |
< |
one.execute(newRunnable()); |
897 |
< |
try{ |
381 |
< |
Thread.sleep(SHORT_DELAY_MS/2); |
382 |
< |
} catch(Exception e){ |
383 |
< |
fail("unexpected exception"); |
384 |
< |
} |
385 |
< |
assertEquals(5, one.getTaskCount()); |
386 |
< |
} finally { |
387 |
< |
one.shutdown(); |
388 |
< |
} |
389 |
< |
} |
390 |
< |
|
391 |
< |
/** |
392 |
< |
* Test to verify isShutDown gives correct values |
393 |
< |
*/ |
394 |
< |
public void testIsShutdown(){ |
395 |
< |
|
396 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
397 |
< |
try { |
398 |
< |
assertFalse(one.isShutdown()); |
891 |
> |
public void testInvokeAny1() throws Exception { |
892 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
893 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
894 |
> |
try { |
895 |
> |
e.invokeAny(null); |
896 |
> |
shouldThrow(); |
897 |
> |
} catch (NullPointerException success) {} |
898 |
|
} |
899 |
< |
finally { |
900 |
< |
one.shutdown(); |
899 |
> |
} |
900 |
> |
|
901 |
> |
/** |
902 |
> |
* invokeAny(empty collection) throws IAE |
903 |
> |
*/ |
904 |
> |
public void testInvokeAny2() throws Exception { |
905 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
906 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
907 |
> |
try { |
908 |
> |
e.invokeAny(new ArrayList<Callable<String>>()); |
909 |
> |
shouldThrow(); |
910 |
> |
} catch (IllegalArgumentException success) {} |
911 |
|
} |
403 |
– |
assertTrue(one.isShutdown()); |
912 |
|
} |
913 |
|
|
406 |
– |
|
914 |
|
/** |
915 |
< |
* Test to verify isTerminated gives correct values |
409 |
< |
* Makes sure termination does not take an innapropriate |
410 |
< |
* amount of time |
915 |
> |
* invokeAny(c) throws NPE if c has null elements |
916 |
|
*/ |
917 |
< |
public void testIsTerminated(){ |
918 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
919 |
< |
try { |
920 |
< |
one.execute(newRunnable()); |
921 |
< |
} finally { |
922 |
< |
one.shutdown(); |
923 |
< |
} |
924 |
< |
boolean flag = false; |
925 |
< |
try{ |
926 |
< |
flag = one.awaitTermination(10, TimeUnit.SECONDS); |
927 |
< |
} catch(Exception e){ |
928 |
< |
fail("unexpected exception"); |
929 |
< |
} |
425 |
< |
assertTrue(one.isTerminated()); |
426 |
< |
if(!flag) |
427 |
< |
fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe"); |
917 |
> |
public void testInvokeAny3() throws Exception { |
918 |
> |
CountDownLatch latch = new CountDownLatch(1); |
919 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
920 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
921 |
> |
List<Callable<String>> l = new ArrayList<>(); |
922 |
> |
l.add(latchAwaitingStringTask(latch)); |
923 |
> |
l.add(null); |
924 |
> |
try { |
925 |
> |
e.invokeAny(l); |
926 |
> |
shouldThrow(); |
927 |
> |
} catch (NullPointerException success) {} |
928 |
> |
latch.countDown(); |
929 |
> |
} |
930 |
|
} |
931 |
|
|
932 |
|
/** |
933 |
< |
* Test to verify that purge correctly removes cancelled tasks |
432 |
< |
* from the queue |
933 |
> |
* invokeAny(c) throws ExecutionException if no task completes |
934 |
|
*/ |
935 |
< |
public void testPurge(){ |
936 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
937 |
< |
try { |
938 |
< |
ScheduledCancellable[] tasks = new ScheduledCancellable[5]; |
939 |
< |
for(int i = 0; i < 5; i++){ |
940 |
< |
tasks[i] = one.schedule(newRunnable(), 1, TimeUnit.MILLISECONDS); |
935 |
> |
public void testInvokeAny4() throws Exception { |
936 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
937 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
938 |
> |
List<Callable<String>> l = new ArrayList<>(); |
939 |
> |
l.add(new NPETask()); |
940 |
> |
try { |
941 |
> |
e.invokeAny(l); |
942 |
> |
shouldThrow(); |
943 |
> |
} catch (ExecutionException success) { |
944 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
945 |
|
} |
441 |
– |
int max = 5; |
442 |
– |
if (tasks[4].cancel(true)) --max; |
443 |
– |
if (tasks[3].cancel(true)) --max; |
444 |
– |
one.purge(); |
445 |
– |
long count = one.getTaskCount(); |
446 |
– |
assertTrue(count > 0 && count <= max); |
447 |
– |
} finally { |
448 |
– |
one.shutdown(); |
946 |
|
} |
947 |
|
} |
948 |
|
|
949 |
|
/** |
950 |
< |
* Test to verify shutDownNow returns a list |
454 |
< |
* containing the correct number of elements |
950 |
> |
* invokeAny(c) returns result of some task |
951 |
|
*/ |
952 |
< |
public void testShutDownNow(){ |
953 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
954 |
< |
for(int i = 0; i < 5; i++) |
955 |
< |
one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
956 |
< |
List l = one.shutdownNow(); |
957 |
< |
assertTrue(one.isShutdown()); |
958 |
< |
assertTrue(l.size() > 0 && l.size() <= 5); |
952 |
> |
public void testInvokeAny5() throws Exception { |
953 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
954 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
955 |
> |
List<Callable<String>> l = new ArrayList<>(); |
956 |
> |
l.add(new StringTask()); |
957 |
> |
l.add(new StringTask()); |
958 |
> |
String result = e.invokeAny(l); |
959 |
> |
assertSame(TEST_STRING, result); |
960 |
> |
} |
961 |
|
} |
962 |
|
|
963 |
< |
public void testShutDown1(){ |
964 |
< |
try { |
965 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
966 |
< |
assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
967 |
< |
assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
963 |
> |
/** |
964 |
> |
* invokeAll(null) throws NPE |
965 |
> |
*/ |
966 |
> |
public void testInvokeAll1() throws Exception { |
967 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
968 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
969 |
> |
try { |
970 |
> |
e.invokeAll(null); |
971 |
> |
shouldThrow(); |
972 |
> |
} catch (NullPointerException success) {} |
973 |
> |
} |
974 |
> |
} |
975 |
|
|
976 |
< |
ScheduledCancellable[] tasks = new ScheduledCancellable[5]; |
977 |
< |
for(int i = 0; i < 5; i++) |
978 |
< |
tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS); |
979 |
< |
one.shutdown(); |
980 |
< |
BlockingQueue q = one.getQueue(); |
981 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
982 |
< |
ScheduledCancellable t = (ScheduledCancellable)it.next(); |
983 |
< |
assertFalse(t.isCancelled()); |
984 |
< |
} |
985 |
< |
assertTrue(one.isShutdown()); |
986 |
< |
Thread.sleep(SHORT_DELAY_MS); |
987 |
< |
for (int i = 0; i < 5; ++i) { |
988 |
< |
assertTrue(tasks[i].isDone()); |
989 |
< |
assertFalse(tasks[i].isCancelled()); |
976 |
> |
/** |
977 |
> |
* invokeAll(empty collection) returns empty collection |
978 |
> |
*/ |
979 |
> |
public void testInvokeAll2() throws Exception { |
980 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
981 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
982 |
> |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
983 |
> |
assertTrue(r.isEmpty()); |
984 |
> |
} |
985 |
> |
} |
986 |
> |
|
987 |
> |
/** |
988 |
> |
* invokeAll(c) throws NPE if c has null elements |
989 |
> |
*/ |
990 |
> |
public void testInvokeAll3() throws Exception { |
991 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
992 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
993 |
> |
List<Callable<String>> l = new ArrayList<>(); |
994 |
> |
l.add(new StringTask()); |
995 |
> |
l.add(null); |
996 |
> |
try { |
997 |
> |
e.invokeAll(l); |
998 |
> |
shouldThrow(); |
999 |
> |
} catch (NullPointerException success) {} |
1000 |
> |
} |
1001 |
> |
} |
1002 |
> |
|
1003 |
> |
/** |
1004 |
> |
* get of invokeAll(c) throws exception on failed task |
1005 |
> |
*/ |
1006 |
> |
public void testInvokeAll4() throws Exception { |
1007 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1008 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1009 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1010 |
> |
l.add(new NPETask()); |
1011 |
> |
List<Future<String>> futures = e.invokeAll(l); |
1012 |
> |
assertEquals(1, futures.size()); |
1013 |
> |
try { |
1014 |
> |
futures.get(0).get(); |
1015 |
> |
shouldThrow(); |
1016 |
> |
} catch (ExecutionException success) { |
1017 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1018 |
|
} |
486 |
– |
|
1019 |
|
} |
1020 |
< |
catch(Exception ex) { |
1021 |
< |
fail("unexpected exception"); |
1020 |
> |
} |
1021 |
> |
|
1022 |
> |
/** |
1023 |
> |
* invokeAll(c) returns results of all completed tasks |
1024 |
> |
*/ |
1025 |
> |
public void testInvokeAll5() throws Exception { |
1026 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1027 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1028 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1029 |
> |
l.add(new StringTask()); |
1030 |
> |
l.add(new StringTask()); |
1031 |
> |
List<Future<String>> futures = e.invokeAll(l); |
1032 |
> |
assertEquals(2, futures.size()); |
1033 |
> |
for (Future<String> future : futures) |
1034 |
> |
assertSame(TEST_STRING, future.get()); |
1035 |
|
} |
1036 |
|
} |
1037 |
|
|
1038 |
+ |
/** |
1039 |
+ |
* timed invokeAny(null) throws NPE |
1040 |
+ |
*/ |
1041 |
+ |
public void testTimedInvokeAny1() throws Exception { |
1042 |
+ |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1043 |
+ |
try (PoolCleaner cleaner = cleaner(e)) { |
1044 |
+ |
try { |
1045 |
+ |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1046 |
+ |
shouldThrow(); |
1047 |
+ |
} catch (NullPointerException success) {} |
1048 |
+ |
} |
1049 |
+ |
} |
1050 |
|
|
1051 |
< |
public void testShutDown2(){ |
1052 |
< |
try { |
1053 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
1054 |
< |
one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
1055 |
< |
ScheduledCancellable[] tasks = new ScheduledCancellable[5]; |
1056 |
< |
for(int i = 0; i < 5; i++) |
1057 |
< |
tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS); |
1058 |
< |
one.shutdown(); |
1059 |
< |
assertTrue(one.isShutdown()); |
1060 |
< |
BlockingQueue q = one.getQueue(); |
1061 |
< |
assertTrue(q.isEmpty()); |
1062 |
< |
Thread.sleep(SHORT_DELAY_MS); |
506 |
< |
assertTrue(one.isTerminated()); |
1051 |
> |
/** |
1052 |
> |
* timed invokeAny(,,null) throws NPE |
1053 |
> |
*/ |
1054 |
> |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1055 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1056 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1057 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1058 |
> |
l.add(new StringTask()); |
1059 |
> |
try { |
1060 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1061 |
> |
shouldThrow(); |
1062 |
> |
} catch (NullPointerException success) {} |
1063 |
|
} |
1064 |
< |
catch(Exception ex) { |
1065 |
< |
fail("unexpected exception"); |
1064 |
> |
} |
1065 |
> |
|
1066 |
> |
/** |
1067 |
> |
* timed invokeAny(empty collection) throws IAE |
1068 |
> |
*/ |
1069 |
> |
public void testTimedInvokeAny2() throws Exception { |
1070 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1071 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1072 |
> |
try { |
1073 |
> |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1074 |
> |
shouldThrow(); |
1075 |
> |
} catch (IllegalArgumentException success) {} |
1076 |
|
} |
1077 |
|
} |
1078 |
|
|
1079 |
+ |
/** |
1080 |
+ |
* timed invokeAny(c) throws NPE if c has null elements |
1081 |
+ |
*/ |
1082 |
+ |
public void testTimedInvokeAny3() throws Exception { |
1083 |
+ |
CountDownLatch latch = new CountDownLatch(1); |
1084 |
+ |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1085 |
+ |
try (PoolCleaner cleaner = cleaner(e)) { |
1086 |
+ |
List<Callable<String>> l = new ArrayList<>(); |
1087 |
+ |
l.add(latchAwaitingStringTask(latch)); |
1088 |
+ |
l.add(null); |
1089 |
+ |
try { |
1090 |
+ |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1091 |
+ |
shouldThrow(); |
1092 |
+ |
} catch (NullPointerException success) {} |
1093 |
+ |
latch.countDown(); |
1094 |
+ |
} |
1095 |
+ |
} |
1096 |
|
|
1097 |
< |
public void testShutDown3(){ |
1098 |
< |
try { |
1099 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
1100 |
< |
one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
1101 |
< |
ScheduledCancellable task = |
1102 |
< |
one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS); |
1103 |
< |
one.shutdown(); |
1104 |
< |
assertTrue(one.isShutdown()); |
1105 |
< |
BlockingQueue q = one.getQueue(); |
1106 |
< |
assertTrue(q.isEmpty()); |
1107 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1108 |
< |
assertTrue(one.isTerminated()); |
1097 |
> |
/** |
1098 |
> |
* timed invokeAny(c) throws ExecutionException if no task completes |
1099 |
> |
*/ |
1100 |
> |
public void testTimedInvokeAny4() throws Exception { |
1101 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1102 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1103 |
> |
long startTime = System.nanoTime(); |
1104 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1105 |
> |
l.add(new NPETask()); |
1106 |
> |
try { |
1107 |
> |
e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1108 |
> |
shouldThrow(); |
1109 |
> |
} catch (ExecutionException success) { |
1110 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1111 |
> |
} |
1112 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1113 |
|
} |
1114 |
< |
catch(Exception ex) { |
1115 |
< |
fail("unexpected exception"); |
1114 |
> |
} |
1115 |
> |
|
1116 |
> |
/** |
1117 |
> |
* timed invokeAny(c) returns result of some task |
1118 |
> |
*/ |
1119 |
> |
public void testTimedInvokeAny5() throws Exception { |
1120 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1121 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1122 |
> |
long startTime = System.nanoTime(); |
1123 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1124 |
> |
l.add(new StringTask()); |
1125 |
> |
l.add(new StringTask()); |
1126 |
> |
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1127 |
> |
assertSame(TEST_STRING, result); |
1128 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1129 |
|
} |
1130 |
|
} |
1131 |
|
|
1132 |
< |
public void testShutDown4(){ |
1133 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
1134 |
< |
try { |
1135 |
< |
one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
1136 |
< |
ScheduledCancellable task = |
1137 |
< |
one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS); |
1138 |
< |
assertFalse(task.isCancelled()); |
1139 |
< |
one.shutdown(); |
1140 |
< |
assertFalse(task.isCancelled()); |
1141 |
< |
assertFalse(one.isTerminated()); |
542 |
< |
assertTrue(one.isShutdown()); |
543 |
< |
Thread.sleep(SHORT_DELAY_MS); |
544 |
< |
assertFalse(task.isCancelled()); |
545 |
< |
task.cancel(true); |
546 |
< |
assertTrue(task.isCancelled()); |
547 |
< |
Thread.sleep(SHORT_DELAY_MS); |
548 |
< |
assertTrue(one.isTerminated()); |
1132 |
> |
/** |
1133 |
> |
* timed invokeAll(null) throws NPE |
1134 |
> |
*/ |
1135 |
> |
public void testTimedInvokeAll1() throws Exception { |
1136 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1137 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1138 |
> |
try { |
1139 |
> |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1140 |
> |
shouldThrow(); |
1141 |
> |
} catch (NullPointerException success) {} |
1142 |
|
} |
1143 |
< |
catch(Exception ex) { |
1144 |
< |
fail("unexpected exception"); |
1143 |
> |
} |
1144 |
> |
|
1145 |
> |
/** |
1146 |
> |
* timed invokeAll(,,null) throws NPE |
1147 |
> |
*/ |
1148 |
> |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1149 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1150 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1151 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1152 |
> |
l.add(new StringTask()); |
1153 |
> |
try { |
1154 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1155 |
> |
shouldThrow(); |
1156 |
> |
} catch (NullPointerException success) {} |
1157 |
> |
} |
1158 |
> |
} |
1159 |
> |
|
1160 |
> |
/** |
1161 |
> |
* timed invokeAll(empty collection) returns empty collection |
1162 |
> |
*/ |
1163 |
> |
public void testTimedInvokeAll2() throws Exception { |
1164 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1165 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1166 |
> |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), |
1167 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
1168 |
> |
assertTrue(r.isEmpty()); |
1169 |
|
} |
1170 |
< |
finally { |
1171 |
< |
one.shutdownNow(); |
1170 |
> |
} |
1171 |
> |
|
1172 |
> |
/** |
1173 |
> |
* timed invokeAll(c) throws NPE if c has null elements |
1174 |
> |
*/ |
1175 |
> |
public void testTimedInvokeAll3() throws Exception { |
1176 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1177 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1178 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1179 |
> |
l.add(new StringTask()); |
1180 |
> |
l.add(null); |
1181 |
> |
try { |
1182 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1183 |
> |
shouldThrow(); |
1184 |
> |
} catch (NullPointerException success) {} |
1185 |
> |
} |
1186 |
> |
} |
1187 |
> |
|
1188 |
> |
/** |
1189 |
> |
* get of element of invokeAll(c) throws exception on failed task |
1190 |
> |
*/ |
1191 |
> |
public void testTimedInvokeAll4() throws Exception { |
1192 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1193 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1194 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1195 |
> |
l.add(new NPETask()); |
1196 |
> |
List<Future<String>> futures = |
1197 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1198 |
> |
assertEquals(1, futures.size()); |
1199 |
> |
try { |
1200 |
> |
futures.get(0).get(); |
1201 |
> |
shouldThrow(); |
1202 |
> |
} catch (ExecutionException success) { |
1203 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1204 |
> |
} |
1205 |
> |
} |
1206 |
> |
} |
1207 |
> |
|
1208 |
> |
/** |
1209 |
> |
* timed invokeAll(c) returns results of all completed tasks |
1210 |
> |
*/ |
1211 |
> |
public void testTimedInvokeAll5() throws Exception { |
1212 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1213 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1214 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1215 |
> |
l.add(new StringTask()); |
1216 |
> |
l.add(new StringTask()); |
1217 |
> |
List<Future<String>> futures = |
1218 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1219 |
> |
assertEquals(2, futures.size()); |
1220 |
> |
for (Future<String> future : futures) |
1221 |
> |
assertSame(TEST_STRING, future.get()); |
1222 |
> |
} |
1223 |
> |
} |
1224 |
> |
|
1225 |
> |
/** |
1226 |
> |
* timed invokeAll(c) cancels tasks not completed by timeout |
1227 |
> |
*/ |
1228 |
> |
public void testTimedInvokeAll6() throws Exception { |
1229 |
> |
for (long timeout = timeoutMillis();;) { |
1230 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1231 |
> |
final Callable<String> waiter = new CheckedCallable<String>() { |
1232 |
> |
public String realCall() { |
1233 |
> |
try { done.await(LONG_DELAY_MS, MILLISECONDS); } |
1234 |
> |
catch (InterruptedException ok) {} |
1235 |
> |
return "1"; }}; |
1236 |
> |
final ExecutorService p = new ScheduledThreadPoolExecutor(2); |
1237 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
1238 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1239 |
> |
tasks.add(new StringTask("0")); |
1240 |
> |
tasks.add(waiter); |
1241 |
> |
tasks.add(new StringTask("2")); |
1242 |
> |
long startTime = System.nanoTime(); |
1243 |
> |
List<Future<String>> futures = |
1244 |
> |
p.invokeAll(tasks, timeout, MILLISECONDS); |
1245 |
> |
assertEquals(tasks.size(), futures.size()); |
1246 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1247 |
> |
for (Future future : futures) |
1248 |
> |
assertTrue(future.isDone()); |
1249 |
> |
assertTrue(futures.get(1).isCancelled()); |
1250 |
> |
try { |
1251 |
> |
assertEquals("0", futures.get(0).get()); |
1252 |
> |
assertEquals("2", futures.get(2).get()); |
1253 |
> |
break; |
1254 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1255 |
> |
timeout *= 2; |
1256 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1257 |
> |
fail("expected exactly one task to be cancelled"); |
1258 |
> |
} |
1259 |
> |
} |
1260 |
> |
} |
1261 |
> |
} |
1262 |
> |
|
1263 |
> |
/** |
1264 |
> |
* A fixed delay task with overflowing period should not prevent a |
1265 |
> |
* one-shot task from executing. |
1266 |
> |
* https://bugs.openjdk.java.net/browse/JDK-8051859 |
1267 |
> |
*/ |
1268 |
> |
public void testScheduleWithFixedDelay_overflow() throws Exception { |
1269 |
> |
final CountDownLatch delayedDone = new CountDownLatch(1); |
1270 |
> |
final CountDownLatch immediateDone = new CountDownLatch(1); |
1271 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
1272 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1273 |
> |
final Runnable immediate = new Runnable() { public void run() { |
1274 |
> |
immediateDone.countDown(); |
1275 |
> |
}}; |
1276 |
> |
final Runnable delayed = new Runnable() { public void run() { |
1277 |
> |
delayedDone.countDown(); |
1278 |
> |
p.submit(immediate); |
1279 |
> |
}}; |
1280 |
> |
p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS); |
1281 |
> |
await(delayedDone); |
1282 |
> |
await(immediateDone); |
1283 |
|
} |
1284 |
|
} |
1285 |
|
|