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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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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 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.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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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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static class MyRunnable implements Runnable { |
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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(SMALL_DELAY_MS); |
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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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*/ |
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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); |
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} |
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} |
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|
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static class RunnableCounter implements Runnable { |
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AtomicInteger count = new AtomicInteger(0); |
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public void run() { count.getAndIncrement(); } |
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} |
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|
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/** |
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* scheduleAtFixedRate executes series of tasks at given rate. |
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* Eventually, it must hold that: |
150 |
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* cycles - 1 <= elapsedMillis/delay < cycles |
151 |
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*/ |
152 |
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public void testFixedRateSequence() throws InterruptedException { |
153 |
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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
154 |
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try (PoolCleaner cleaner = cleaner(p)) { |
155 |
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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; |
158 |
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final CountDownLatch done = new CountDownLatch(cycles); |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { done.countDown(); }}; |
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final ScheduledFuture periodicTask = |
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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); |
168 |
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if (elapsedMillis <= cycles * delay) |
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return; |
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// else retry with longer delay |
171 |
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} |
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fail("unexpected execution rate"); |
173 |
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} |
174 |
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} |
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|
176 |
< |
static class MyCallable implements Callable { |
177 |
< |
volatile boolean done = false; |
178 |
< |
public Object call() { |
179 |
< |
try { |
180 |
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Thread.sleep(SMALL_DELAY_MS); |
181 |
< |
done = true; |
182 |
< |
} catch(Exception e){ |
176 |
> |
/** |
177 |
> |
* scheduleWithFixedDelay executes series of tasks with given period. |
178 |
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* Eventually, it must hold that each task starts at least delay and at |
179 |
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* most 2 * delay after the termination of the previous task. |
180 |
> |
*/ |
181 |
> |
public void testFixedDelaySequence() throws InterruptedException { |
182 |
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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
183 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
184 |
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for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
185 |
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final long startTime = System.nanoTime(); |
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> |
final AtomicLong previous = new AtomicLong(startTime); |
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> |
final AtomicBoolean tryLongerDelay = new AtomicBoolean(false); |
188 |
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final int cycles = 8; |
189 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
190 |
> |
final int d = delay; |
191 |
> |
final Runnable task = new CheckedRunnable() { |
192 |
> |
public void realRun() { |
193 |
> |
long now = System.nanoTime(); |
194 |
> |
long elapsedMillis |
195 |
> |
= NANOSECONDS.toMillis(now - previous.get()); |
196 |
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if (done.getCount() == cycles) { // first execution |
197 |
> |
if (elapsedMillis >= d) |
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> |
tryLongerDelay.set(true); |
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> |
} else { |
200 |
> |
assertTrue(elapsedMillis >= d); |
201 |
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if (elapsedMillis >= 2 * d) |
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> |
tryLongerDelay.set(true); |
203 |
> |
} |
204 |
> |
previous.set(now); |
205 |
> |
done.countDown(); |
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> |
}}; |
207 |
> |
final ScheduledFuture periodicTask = |
208 |
> |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
209 |
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final int totalDelayMillis = (cycles - 1) * delay; |
210 |
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await(done, totalDelayMillis + cycles * LONG_DELAY_MS); |
211 |
> |
periodicTask.cancel(true); |
212 |
> |
final long elapsedMillis = millisElapsedSince(startTime); |
213 |
> |
assertTrue(elapsedMillis >= totalDelayMillis); |
214 |
> |
if (!tryLongerDelay.get()) |
215 |
> |
return; |
216 |
> |
// else retry with longer delay |
217 |
|
} |
218 |
< |
return Boolean.TRUE; |
218 |
> |
fail("unexpected execution rate"); |
219 |
|
} |
220 |
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} |
221 |
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|
222 |
|
/** |
223 |
< |
* |
223 |
> |
* execute(null) throws NPE |
224 |
|
*/ |
225 |
< |
public void testExecute() { |
226 |
< |
try { |
227 |
< |
MyRunnable runnable =new MyRunnable(); |
228 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
229 |
< |
p1.execute(runnable); |
230 |
< |
assertFalse(runnable.done); |
231 |
< |
Thread.sleep(SHORT_DELAY_MS); |
53 |
< |
p1.shutdown(); |
54 |
< |
try { |
55 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
56 |
< |
} catch(InterruptedException e){ |
57 |
< |
unexpectedException(); |
58 |
< |
} |
59 |
< |
assertTrue(runnable.done); |
60 |
< |
p1.shutdown(); |
61 |
< |
joinPool(p1); |
225 |
> |
public void testExecuteNull() throws InterruptedException { |
226 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
227 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
228 |
> |
try { |
229 |
> |
p.execute(null); |
230 |
> |
shouldThrow(); |
231 |
> |
} catch (NullPointerException success) {} |
232 |
|
} |
233 |
< |
catch(Exception e){ |
234 |
< |
unexpectedException(); |
233 |
> |
} |
234 |
> |
|
235 |
> |
/** |
236 |
> |
* schedule(null) throws NPE |
237 |
> |
*/ |
238 |
> |
public void testScheduleNull() throws InterruptedException { |
239 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
240 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
241 |
> |
try { |
242 |
> |
TrackedCallable callable = null; |
243 |
> |
Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
244 |
> |
shouldThrow(); |
245 |
> |
} catch (NullPointerException success) {} |
246 |
|
} |
66 |
– |
|
247 |
|
} |
248 |
|
|
249 |
|
/** |
250 |
< |
* |
250 |
> |
* execute throws RejectedExecutionException if shutdown |
251 |
|
*/ |
252 |
< |
public void testSchedule1() { |
253 |
< |
try { |
254 |
< |
MyCallable callable = new MyCallable(); |
255 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
256 |
< |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
257 |
< |
assertFalse(callable.done); |
258 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
259 |
< |
assertTrue(callable.done); |
260 |
< |
assertEquals(Boolean.TRUE, f.get()); |
261 |
< |
p1.shutdown(); |
82 |
< |
joinPool(p1); |
83 |
< |
} catch(RejectedExecutionException e){} |
84 |
< |
catch(Exception e){ |
85 |
< |
unexpectedException(); |
252 |
> |
public void testSchedule1_RejectedExecutionException() throws InterruptedException { |
253 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
254 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
255 |
> |
try { |
256 |
> |
p.shutdown(); |
257 |
> |
p.schedule(new NoOpRunnable(), |
258 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
259 |
> |
shouldThrow(); |
260 |
> |
} catch (RejectedExecutionException success) { |
261 |
> |
} catch (SecurityException ok) {} |
262 |
|
} |
263 |
|
} |
264 |
|
|
265 |
|
/** |
266 |
< |
* |
266 |
> |
* schedule throws RejectedExecutionException if shutdown |
267 |
|
*/ |
268 |
< |
public void testSchedule3() { |
269 |
< |
try { |
270 |
< |
MyRunnable runnable = new MyRunnable(); |
271 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
272 |
< |
p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS); |
273 |
< |
Thread.sleep(SHORT_DELAY_MS); |
274 |
< |
assertFalse(runnable.done); |
275 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
276 |
< |
assertTrue(runnable.done); |
277 |
< |
p1.shutdown(); |
102 |
< |
joinPool(p1); |
103 |
< |
} catch(Exception e){ |
104 |
< |
unexpectedException(); |
268 |
> |
public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
269 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
270 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
271 |
> |
try { |
272 |
> |
p.shutdown(); |
273 |
> |
p.schedule(new NoOpCallable(), |
274 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
275 |
> |
shouldThrow(); |
276 |
> |
} catch (RejectedExecutionException success) { |
277 |
> |
} catch (SecurityException ok) {} |
278 |
|
} |
279 |
|
} |
280 |
< |
|
280 |
> |
|
281 |
|
/** |
282 |
< |
* |
282 |
> |
* schedule callable throws RejectedExecutionException if shutdown |
283 |
|
*/ |
284 |
< |
public void testSchedule4() { |
285 |
< |
try { |
286 |
< |
MyRunnable runnable = new MyRunnable(); |
287 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
288 |
< |
p1.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
289 |
< |
assertFalse(runnable.done); |
290 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
291 |
< |
assertTrue(runnable.done); |
292 |
< |
p1.shutdown(); |
293 |
< |
joinPool(p1); |
121 |
< |
} catch(Exception e){ |
122 |
< |
unexpectedException(); |
284 |
> |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
285 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
286 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
287 |
> |
try { |
288 |
> |
p.shutdown(); |
289 |
> |
p.schedule(new NoOpCallable(), |
290 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
291 |
> |
shouldThrow(); |
292 |
> |
} catch (RejectedExecutionException success) { |
293 |
> |
} catch (SecurityException ok) {} |
294 |
|
} |
295 |
|
} |
125 |
– |
|
126 |
– |
|
127 |
– |
// exception tests |
296 |
|
|
297 |
|
/** |
298 |
< |
* schedule(Runnable, long) throws RejectedExecutionException |
131 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
298 |
> |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
299 |
|
*/ |
300 |
< |
public void testSchedule1_RejectedExecutionException() { |
301 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
302 |
< |
try { |
303 |
< |
se.shutdown(); |
304 |
< |
se.schedule(new NoOpRunnable(), |
305 |
< |
MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
306 |
< |
shouldThrow(); |
307 |
< |
} catch(RejectedExecutionException success){ |
300 |
> |
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
301 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
302 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
303 |
> |
try { |
304 |
> |
p.shutdown(); |
305 |
> |
p.scheduleAtFixedRate(new NoOpRunnable(), |
306 |
> |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
307 |
> |
shouldThrow(); |
308 |
> |
} catch (RejectedExecutionException success) { |
309 |
> |
} catch (SecurityException ok) {} |
310 |
|
} |
311 |
< |
joinPool(se); |
311 |
> |
} |
312 |
|
|
313 |
+ |
/** |
314 |
+ |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
315 |
+ |
*/ |
316 |
+ |
public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
317 |
+ |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
318 |
+ |
try (PoolCleaner cleaner = cleaner(p)) { |
319 |
+ |
try { |
320 |
+ |
p.shutdown(); |
321 |
+ |
p.scheduleWithFixedDelay(new NoOpRunnable(), |
322 |
+ |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
323 |
+ |
shouldThrow(); |
324 |
+ |
} catch (RejectedExecutionException success) { |
325 |
+ |
} catch (SecurityException ok) {} |
326 |
+ |
} |
327 |
+ |
} |
328 |
+ |
|
329 |
+ |
/** |
330 |
+ |
* getActiveCount increases but doesn't overestimate, when a |
331 |
+ |
* thread becomes active |
332 |
+ |
*/ |
333 |
+ |
public void testGetActiveCount() throws InterruptedException { |
334 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
335 |
+ |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
336 |
+ |
try (PoolCleaner cleaner = cleaner(p, done)) { |
337 |
+ |
final CountDownLatch threadStarted = new CountDownLatch(1); |
338 |
+ |
assertEquals(0, p.getActiveCount()); |
339 |
+ |
p.execute(new CheckedRunnable() { |
340 |
+ |
public void realRun() throws InterruptedException { |
341 |
+ |
threadStarted.countDown(); |
342 |
+ |
assertEquals(1, p.getActiveCount()); |
343 |
+ |
await(done); |
344 |
+ |
}}); |
345 |
+ |
await(threadStarted); |
346 |
+ |
assertEquals(1, p.getActiveCount()); |
347 |
+ |
} |
348 |
+ |
} |
349 |
+ |
|
350 |
+ |
/** |
351 |
+ |
* getCompletedTaskCount increases, but doesn't overestimate, |
352 |
+ |
* when tasks complete |
353 |
+ |
*/ |
354 |
+ |
public void testGetCompletedTaskCount() throws InterruptedException { |
355 |
+ |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
356 |
+ |
try (PoolCleaner cleaner = cleaner(p)) { |
357 |
+ |
final CountDownLatch threadStarted = new CountDownLatch(1); |
358 |
+ |
final CountDownLatch threadProceed = new CountDownLatch(1); |
359 |
+ |
final CountDownLatch threadDone = new CountDownLatch(1); |
360 |
+ |
assertEquals(0, p.getCompletedTaskCount()); |
361 |
+ |
p.execute(new CheckedRunnable() { |
362 |
+ |
public void realRun() throws InterruptedException { |
363 |
+ |
threadStarted.countDown(); |
364 |
+ |
assertEquals(0, p.getCompletedTaskCount()); |
365 |
+ |
await(threadProceed); |
366 |
+ |
threadDone.countDown(); |
367 |
+ |
}}); |
368 |
+ |
await(threadStarted); |
369 |
+ |
assertEquals(0, p.getCompletedTaskCount()); |
370 |
+ |
threadProceed.countDown(); |
371 |
+ |
await(threadDone); |
372 |
+ |
long startTime = System.nanoTime(); |
373 |
+ |
while (p.getCompletedTaskCount() != 1) { |
374 |
+ |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
375 |
+ |
fail("timed out"); |
376 |
+ |
Thread.yield(); |
377 |
+ |
} |
378 |
+ |
} |
379 |
|
} |
380 |
|
|
381 |
|
/** |
382 |
< |
* schedule(Callable, long, TimeUnit) throws RejectedExecutionException |
148 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
382 |
> |
* getCorePoolSize returns size given in constructor if not otherwise set |
383 |
|
*/ |
384 |
< |
public void testSchedule2_RejectedExecutionException() { |
385 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
386 |
< |
try { |
387 |
< |
se.shutdown(); |
388 |
< |
se.schedule(new NoOpCallable(), |
389 |
< |
MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
390 |
< |
shouldThrow(); |
391 |
< |
} catch(RejectedExecutionException success){ |
384 |
> |
public void testGetCorePoolSize() throws InterruptedException { |
385 |
> |
ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
386 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
387 |
> |
assertEquals(1, p.getCorePoolSize()); |
388 |
> |
} |
389 |
> |
} |
390 |
> |
|
391 |
> |
/** |
392 |
> |
* getLargestPoolSize increases, but doesn't overestimate, when |
393 |
> |
* multiple threads active |
394 |
> |
*/ |
395 |
> |
public void testGetLargestPoolSize() throws InterruptedException { |
396 |
> |
final int THREADS = 3; |
397 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS); |
398 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
399 |
> |
final CountDownLatch done = new CountDownLatch(1); |
400 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
401 |
> |
assertEquals(0, p.getLargestPoolSize()); |
402 |
> |
for (int i = 0; i < THREADS; i++) |
403 |
> |
p.execute(new CheckedRunnable() { |
404 |
> |
public void realRun() throws InterruptedException { |
405 |
> |
threadsStarted.countDown(); |
406 |
> |
await(done); |
407 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
408 |
> |
}}); |
409 |
> |
await(threadsStarted); |
410 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
411 |
> |
} |
412 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
413 |
> |
} |
414 |
> |
|
415 |
> |
/** |
416 |
> |
* getPoolSize increases, but doesn't overestimate, when threads |
417 |
> |
* become active |
418 |
> |
*/ |
419 |
> |
public void testGetPoolSize() throws InterruptedException { |
420 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
421 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
422 |
> |
final CountDownLatch done = new CountDownLatch(1); |
423 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
424 |
> |
assertEquals(0, p.getPoolSize()); |
425 |
> |
p.execute(new CheckedRunnable() { |
426 |
> |
public void realRun() throws InterruptedException { |
427 |
> |
threadStarted.countDown(); |
428 |
> |
assertEquals(1, p.getPoolSize()); |
429 |
> |
await(done); |
430 |
> |
}}); |
431 |
> |
await(threadStarted); |
432 |
> |
assertEquals(1, p.getPoolSize()); |
433 |
> |
} |
434 |
> |
} |
435 |
> |
|
436 |
> |
/** |
437 |
> |
* getTaskCount increases, but doesn't overestimate, when tasks |
438 |
> |
* submitted |
439 |
> |
*/ |
440 |
> |
public void testGetTaskCount() throws InterruptedException { |
441 |
> |
final int TASKS = 3; |
442 |
> |
final CountDownLatch done = new CountDownLatch(1); |
443 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
444 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
445 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
446 |
> |
assertEquals(0, p.getTaskCount()); |
447 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
448 |
> |
p.execute(new CheckedRunnable() { |
449 |
> |
public void realRun() throws InterruptedException { |
450 |
> |
threadStarted.countDown(); |
451 |
> |
await(done); |
452 |
> |
}}); |
453 |
> |
await(threadStarted); |
454 |
> |
assertEquals(1, p.getTaskCount()); |
455 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
456 |
> |
for (int i = 0; i < TASKS; i++) { |
457 |
> |
assertEquals(1 + i, p.getTaskCount()); |
458 |
> |
p.execute(new CheckedRunnable() { |
459 |
> |
public void realRun() throws InterruptedException { |
460 |
> |
threadStarted.countDown(); |
461 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
462 |
> |
await(done); |
463 |
> |
}}); |
464 |
> |
} |
465 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
466 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
467 |
|
} |
468 |
< |
joinPool(se); |
468 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
469 |
> |
assertEquals(1 + TASKS, p.getCompletedTaskCount()); |
470 |
|
} |
471 |
|
|
472 |
|
/** |
473 |
< |
* schedule(Callable, long) throws RejectedExecutionException |
164 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
473 |
> |
* getThreadFactory returns factory in constructor if not set |
474 |
|
*/ |
475 |
< |
public void testSchedule3_RejectedExecutionException() { |
476 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
477 |
< |
try { |
478 |
< |
se.shutdown(); |
479 |
< |
se.schedule(new NoOpCallable(), |
480 |
< |
MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
481 |
< |
shouldThrow(); |
173 |
< |
} catch(RejectedExecutionException success){ |
174 |
< |
} |
175 |
< |
joinPool(se); |
475 |
> |
public void testGetThreadFactory() throws InterruptedException { |
476 |
> |
final ThreadFactory threadFactory = new SimpleThreadFactory(); |
477 |
> |
final ScheduledThreadPoolExecutor p = |
478 |
> |
new ScheduledThreadPoolExecutor(1, threadFactory); |
479 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
480 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
481 |
> |
} |
482 |
|
} |
483 |
|
|
484 |
|
/** |
485 |
< |
* scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws |
180 |
< |
* RejectedExecutionException. |
181 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
485 |
> |
* setThreadFactory sets the thread factory returned by getThreadFactory |
486 |
|
*/ |
487 |
< |
public void testScheduleAtFixedRate1_RejectedExecutionException() { |
488 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
489 |
< |
try { |
490 |
< |
se.shutdown(); |
491 |
< |
se.scheduleAtFixedRate(new NoOpRunnable(), |
492 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
493 |
< |
shouldThrow(); |
494 |
< |
} catch(RejectedExecutionException success){ |
495 |
< |
} |
496 |
< |
joinPool(se); |
497 |
< |
} |
194 |
< |
|
195 |
< |
/** |
196 |
< |
* scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws |
197 |
< |
* RejectedExecutionException. |
198 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
487 |
> |
public void testSetThreadFactory() throws InterruptedException { |
488 |
> |
ThreadFactory threadFactory = new SimpleThreadFactory(); |
489 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
490 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
491 |
> |
p.setThreadFactory(threadFactory); |
492 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
493 |
> |
} |
494 |
> |
} |
495 |
> |
|
496 |
> |
/** |
497 |
> |
* setThreadFactory(null) throws NPE |
498 |
|
*/ |
499 |
< |
public void testScheduleAtFixedRate2_RejectedExecutionException() { |
500 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
501 |
< |
try { |
502 |
< |
se.shutdown(); |
503 |
< |
se.scheduleAtFixedRate(new NoOpRunnable(), |
504 |
< |
1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
505 |
< |
shouldThrow(); |
506 |
< |
} catch(RejectedExecutionException success){ |
208 |
< |
} |
209 |
< |
joinPool(se); |
499 |
> |
public void testSetThreadFactoryNull() throws InterruptedException { |
500 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
501 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
502 |
> |
try { |
503 |
> |
p.setThreadFactory(null); |
504 |
> |
shouldThrow(); |
505 |
> |
} catch (NullPointerException success) {} |
506 |
> |
} |
507 |
|
} |
508 |
|
|
509 |
|
/** |
510 |
< |
* scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws |
214 |
< |
* RejectedExecutionException. |
215 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
510 |
> |
* The default rejected execution handler is AbortPolicy. |
511 |
|
*/ |
512 |
< |
public void testScheduleWithFixedDelay1_RejectedExecutionException() { |
513 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
514 |
< |
try { |
515 |
< |
se.shutdown(); |
516 |
< |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
517 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
223 |
< |
shouldThrow(); |
224 |
< |
} catch(RejectedExecutionException success){ |
225 |
< |
} |
226 |
< |
joinPool(se); |
512 |
> |
public void testDefaultRejectedExecutionHandler() { |
513 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
514 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
515 |
> |
assertTrue(p.getRejectedExecutionHandler() |
516 |
> |
instanceof ThreadPoolExecutor.AbortPolicy); |
517 |
> |
} |
518 |
|
} |
519 |
|
|
520 |
|
/** |
521 |
< |
* scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws |
231 |
< |
* RejectedExecutionException. |
232 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
521 |
> |
* isShutdown is false before shutdown, true after |
522 |
|
*/ |
523 |
< |
public void testScheduleWithFixedDelay2_RejectedExecutionException() { |
524 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
523 |
> |
public void testIsShutdown() { |
524 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
525 |
> |
assertFalse(p.isShutdown()); |
526 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
527 |
> |
try { |
528 |
> |
p.shutdown(); |
529 |
> |
assertTrue(p.isShutdown()); |
530 |
> |
} catch (SecurityException ok) {} |
531 |
> |
} |
532 |
> |
} |
533 |
> |
|
534 |
> |
/** |
535 |
> |
* isTerminated is false before termination, true after |
536 |
> |
*/ |
537 |
> |
public void testIsTerminated() throws InterruptedException { |
538 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
539 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
540 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
541 |
> |
final CountDownLatch done = new CountDownLatch(1); |
542 |
> |
assertFalse(p.isTerminated()); |
543 |
> |
p.execute(new CheckedRunnable() { |
544 |
> |
public void realRun() throws InterruptedException { |
545 |
> |
assertFalse(p.isTerminated()); |
546 |
> |
threadStarted.countDown(); |
547 |
> |
await(done); |
548 |
> |
}}); |
549 |
> |
await(threadStarted); |
550 |
> |
assertFalse(p.isTerminating()); |
551 |
> |
done.countDown(); |
552 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
553 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
554 |
> |
assertTrue(p.isTerminated()); |
555 |
> |
} |
556 |
> |
} |
557 |
> |
|
558 |
> |
/** |
559 |
> |
* isTerminating is not true when running or when terminated |
560 |
> |
*/ |
561 |
> |
public void testIsTerminating() throws InterruptedException { |
562 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
563 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
564 |
> |
final CountDownLatch done = new CountDownLatch(1); |
565 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
566 |
> |
assertFalse(p.isTerminating()); |
567 |
> |
p.execute(new CheckedRunnable() { |
568 |
> |
public void realRun() throws InterruptedException { |
569 |
> |
assertFalse(p.isTerminating()); |
570 |
> |
threadStarted.countDown(); |
571 |
> |
await(done); |
572 |
> |
}}); |
573 |
> |
await(threadStarted); |
574 |
> |
assertFalse(p.isTerminating()); |
575 |
> |
done.countDown(); |
576 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
577 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
578 |
> |
assertTrue(p.isTerminated()); |
579 |
> |
assertFalse(p.isTerminating()); |
580 |
> |
} |
581 |
> |
} |
582 |
> |
|
583 |
> |
/** |
584 |
> |
* getQueue returns the work queue, which contains queued tasks |
585 |
> |
*/ |
586 |
> |
public void testGetQueue() throws InterruptedException { |
587 |
> |
final CountDownLatch done = new CountDownLatch(1); |
588 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
589 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
590 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
591 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
592 |
> |
for (int i = 0; i < tasks.length; i++) { |
593 |
> |
Runnable r = new CheckedRunnable() { |
594 |
> |
public void realRun() throws InterruptedException { |
595 |
> |
threadStarted.countDown(); |
596 |
> |
await(done); |
597 |
> |
}}; |
598 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
599 |
> |
} |
600 |
> |
await(threadStarted); |
601 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
602 |
> |
assertTrue(q.contains(tasks[tasks.length - 1])); |
603 |
> |
assertFalse(q.contains(tasks[0])); |
604 |
> |
} |
605 |
> |
} |
606 |
> |
|
607 |
> |
/** |
608 |
> |
* remove(task) removes queued task, and fails to remove active task |
609 |
> |
*/ |
610 |
> |
public void testRemove() throws InterruptedException { |
611 |
> |
final CountDownLatch done = new CountDownLatch(1); |
612 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
613 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
614 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
615 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
616 |
> |
for (int i = 0; i < tasks.length; i++) { |
617 |
> |
Runnable r = new CheckedRunnable() { |
618 |
> |
public void realRun() throws InterruptedException { |
619 |
> |
threadStarted.countDown(); |
620 |
> |
await(done); |
621 |
> |
}}; |
622 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
623 |
> |
} |
624 |
> |
await(threadStarted); |
625 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
626 |
> |
assertFalse(p.remove((Runnable)tasks[0])); |
627 |
> |
assertTrue(q.contains((Runnable)tasks[4])); |
628 |
> |
assertTrue(q.contains((Runnable)tasks[3])); |
629 |
> |
assertTrue(p.remove((Runnable)tasks[4])); |
630 |
> |
assertFalse(p.remove((Runnable)tasks[4])); |
631 |
> |
assertFalse(q.contains((Runnable)tasks[4])); |
632 |
> |
assertTrue(q.contains((Runnable)tasks[3])); |
633 |
> |
assertTrue(p.remove((Runnable)tasks[3])); |
634 |
> |
assertFalse(q.contains((Runnable)tasks[3])); |
635 |
> |
} |
636 |
> |
} |
637 |
> |
|
638 |
> |
/** |
639 |
> |
* purge eventually removes cancelled tasks from the queue |
640 |
> |
*/ |
641 |
> |
public void testPurge() throws InterruptedException { |
642 |
> |
final ScheduledFuture[] tasks = new ScheduledFuture[5]; |
643 |
> |
final Runnable releaser = new Runnable() { public void run() { |
644 |
> |
for (ScheduledFuture task : tasks) |
645 |
> |
if (task != null) task.cancel(true); }}; |
646 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
647 |
> |
try (PoolCleaner cleaner = cleaner(p, releaser)) { |
648 |
> |
for (int i = 0; i < tasks.length; i++) |
649 |
> |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
650 |
> |
LONG_DELAY_MS, MILLISECONDS); |
651 |
> |
int max = tasks.length; |
652 |
> |
if (tasks[4].cancel(true)) --max; |
653 |
> |
if (tasks[3].cancel(true)) --max; |
654 |
> |
// There must eventually be an interference-free point at |
655 |
> |
// which purge will not fail. (At worst, when queue is empty.) |
656 |
> |
long startTime = System.nanoTime(); |
657 |
> |
do { |
658 |
> |
p.purge(); |
659 |
> |
long count = p.getTaskCount(); |
660 |
> |
if (count == max) |
661 |
> |
return; |
662 |
> |
} while (millisElapsedSince(startTime) < LONG_DELAY_MS); |
663 |
> |
fail("Purge failed to remove cancelled tasks"); |
664 |
> |
} |
665 |
> |
} |
666 |
> |
|
667 |
> |
/** |
668 |
> |
* shutdownNow returns a list containing tasks that were not run, |
669 |
> |
* and those tasks are drained from the queue |
670 |
> |
*/ |
671 |
> |
public void testShutdownNow() throws InterruptedException { |
672 |
> |
final int poolSize = 2; |
673 |
> |
final int count = 5; |
674 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
675 |
> |
final ScheduledThreadPoolExecutor p = |
676 |
> |
new ScheduledThreadPoolExecutor(poolSize); |
677 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
678 |
> |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
679 |
> |
threadsStarted.countDown(); |
680 |
> |
try { |
681 |
> |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
682 |
> |
} catch (InterruptedException success) {} |
683 |
> |
ran.getAndIncrement(); |
684 |
> |
}}; |
685 |
> |
for (int i = 0; i < count; i++) |
686 |
> |
p.execute(waiter); |
687 |
> |
await(threadsStarted); |
688 |
> |
assertEquals(poolSize, p.getActiveCount()); |
689 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
690 |
> |
final List<Runnable> queuedTasks; |
691 |
|
try { |
692 |
< |
se.shutdown(); |
693 |
< |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
694 |
< |
1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
695 |
< |
shouldThrow(); |
696 |
< |
} catch(RejectedExecutionException success){ |
697 |
< |
} |
698 |
< |
joinPool(se); |
692 |
> |
queuedTasks = p.shutdownNow(); |
693 |
> |
} catch (SecurityException ok) { |
694 |
> |
return; // Allowed in case test doesn't have privs |
695 |
> |
} |
696 |
> |
assertTrue(p.isShutdown()); |
697 |
> |
assertTrue(p.getQueue().isEmpty()); |
698 |
> |
assertEquals(count - poolSize, queuedTasks.size()); |
699 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
700 |
> |
assertTrue(p.isTerminated()); |
701 |
> |
assertEquals(poolSize, ran.get()); |
702 |
> |
assertEquals(poolSize, p.getCompletedTaskCount()); |
703 |
|
} |
704 |
|
|
705 |
|
/** |
706 |
< |
* execute throws RejectedExecutionException |
707 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
708 |
< |
*/ |
709 |
< |
public void testExecute_RejectedExecutionException() { |
710 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
706 |
> |
* shutdownNow returns a list containing tasks that were not run, |
707 |
> |
* and those tasks are drained from the queue |
708 |
> |
*/ |
709 |
> |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
710 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
711 |
> |
List<ScheduledFuture> tasks = new ArrayList<>(); |
712 |
> |
for (int i = 0; i < 3; i++) { |
713 |
> |
Runnable r = new NoOpRunnable(); |
714 |
> |
tasks.add(p.schedule(r, 9, SECONDS)); |
715 |
> |
tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
716 |
> |
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
717 |
> |
} |
718 |
> |
if (testImplementationDetails) |
719 |
> |
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
720 |
> |
final List<Runnable> queuedTasks; |
721 |
|
try { |
722 |
< |
se.shutdown(); |
723 |
< |
se.execute(new NoOpRunnable()); |
724 |
< |
shouldThrow(); |
725 |
< |
} catch(RejectedExecutionException success){ |
726 |
< |
} |
727 |
< |
joinPool(se); |
722 |
> |
queuedTasks = p.shutdownNow(); |
723 |
> |
} catch (SecurityException ok) { |
724 |
> |
return; // Allowed in case test doesn't have privs |
725 |
> |
} |
726 |
> |
assertTrue(p.isShutdown()); |
727 |
> |
assertTrue(p.getQueue().isEmpty()); |
728 |
> |
if (testImplementationDetails) |
729 |
> |
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
730 |
> |
assertEquals(tasks.size(), queuedTasks.size()); |
731 |
> |
for (ScheduledFuture task : tasks) { |
732 |
> |
assertFalse(task.isDone()); |
733 |
> |
assertFalse(task.isCancelled()); |
734 |
> |
} |
735 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
736 |
> |
assertTrue(p.isTerminated()); |
737 |
|
} |
738 |
|
|
739 |
|
/** |
740 |
< |
* getActiveCount gives correct values |
740 |
> |
* By default, periodic tasks are cancelled at shutdown. |
741 |
> |
* By default, delayed tasks keep running after shutdown. |
742 |
> |
* Check that changing the default values work: |
743 |
> |
* - setExecuteExistingDelayedTasksAfterShutdownPolicy |
744 |
> |
* - setContinueExistingPeriodicTasksAfterShutdownPolicy |
745 |
> |
*/ |
746 |
> |
public void testShutdown_cancellation() throws Exception { |
747 |
> |
Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE }; |
748 |
> |
for (Boolean policy : allBooleans) |
749 |
> |
{ |
750 |
> |
final int poolSize = 2; |
751 |
> |
final ScheduledThreadPoolExecutor p |
752 |
> |
= new ScheduledThreadPoolExecutor(poolSize); |
753 |
> |
final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE); |
754 |
> |
final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE); |
755 |
> |
final boolean effectiveRemovePolicy = (policy == Boolean.TRUE); |
756 |
> |
if (policy != null) { |
757 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy); |
758 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy); |
759 |
> |
p.setRemoveOnCancelPolicy(policy); |
760 |
> |
} |
761 |
> |
assertEquals(effectiveDelayedPolicy, |
762 |
> |
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
763 |
> |
assertEquals(effectivePeriodicPolicy, |
764 |
> |
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
765 |
> |
assertEquals(effectiveRemovePolicy, |
766 |
> |
p.getRemoveOnCancelPolicy()); |
767 |
> |
// Strategy: Wedge the pool with poolSize "blocker" threads |
768 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
769 |
> |
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
770 |
> |
final CountDownLatch unblock = new CountDownLatch(1); |
771 |
> |
final CountDownLatch periodicLatch1 = new CountDownLatch(2); |
772 |
> |
final CountDownLatch periodicLatch2 = new CountDownLatch(2); |
773 |
> |
Runnable task = new CheckedRunnable() { public void realRun() |
774 |
> |
throws InterruptedException { |
775 |
> |
poolBlocked.countDown(); |
776 |
> |
await(unblock); |
777 |
> |
ran.getAndIncrement(); |
778 |
> |
}}; |
779 |
> |
List<Future<?>> blockers = new ArrayList<>(); |
780 |
> |
List<Future<?>> periodics = new ArrayList<>(); |
781 |
> |
List<Future<?>> delayeds = new ArrayList<>(); |
782 |
> |
for (int i = 0; i < poolSize; i++) |
783 |
> |
blockers.add(p.submit(task)); |
784 |
> |
await(poolBlocked); |
785 |
> |
|
786 |
> |
periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1), |
787 |
> |
1, 1, MILLISECONDS)); |
788 |
> |
periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2), |
789 |
> |
1, 1, MILLISECONDS)); |
790 |
> |
delayeds.add(p.schedule(task, 1, MILLISECONDS)); |
791 |
> |
|
792 |
> |
assertTrue(p.getQueue().containsAll(periodics)); |
793 |
> |
assertTrue(p.getQueue().containsAll(delayeds)); |
794 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
795 |
> |
assertTrue(p.isShutdown()); |
796 |
> |
assertFalse(p.isTerminated()); |
797 |
> |
for (Future<?> periodic : periodics) { |
798 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled()); |
799 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isDone()); |
800 |
> |
} |
801 |
> |
for (Future<?> delayed : delayeds) { |
802 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled()); |
803 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isDone()); |
804 |
> |
} |
805 |
> |
if (testImplementationDetails) { |
806 |
> |
assertEquals(effectivePeriodicPolicy, |
807 |
> |
p.getQueue().containsAll(periodics)); |
808 |
> |
assertEquals(effectiveDelayedPolicy, |
809 |
> |
p.getQueue().containsAll(delayeds)); |
810 |
> |
} |
811 |
> |
// Release all pool threads |
812 |
> |
unblock.countDown(); |
813 |
> |
|
814 |
> |
for (Future<?> delayed : delayeds) { |
815 |
> |
if (effectiveDelayedPolicy) { |
816 |
> |
assertNull(delayed.get()); |
817 |
> |
} |
818 |
> |
} |
819 |
> |
if (effectivePeriodicPolicy) { |
820 |
> |
await(periodicLatch1); |
821 |
> |
await(periodicLatch2); |
822 |
> |
for (Future<?> periodic : periodics) { |
823 |
> |
assertTrue(periodic.cancel(false)); |
824 |
> |
assertTrue(periodic.isCancelled()); |
825 |
> |
assertTrue(periodic.isDone()); |
826 |
> |
} |
827 |
> |
} |
828 |
> |
for (Future<?> blocker : blockers) assertNull(blocker.get()); |
829 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
830 |
> |
assertTrue(p.isTerminated()); |
831 |
> |
assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get()); |
832 |
> |
}} |
833 |
> |
|
834 |
> |
/** |
835 |
> |
* completed submit of callable returns result |
836 |
|
*/ |
837 |
< |
public void testGetActiveCount() { |
838 |
< |
ScheduledExecutor p2 = new ScheduledExecutor(2); |
839 |
< |
assertEquals(0, p2.getActiveCount()); |
840 |
< |
p2.execute(new SmallRunnable()); |
841 |
< |
try { |
842 |
< |
Thread.sleep(SHORT_DELAY_MS); |
270 |
< |
} catch(Exception e){ |
271 |
< |
unexpectedException(); |
837 |
> |
public void testSubmitCallable() throws Exception { |
838 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
839 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
840 |
> |
Future<String> future = e.submit(new StringTask()); |
841 |
> |
String result = future.get(); |
842 |
> |
assertSame(TEST_STRING, result); |
843 |
|
} |
273 |
– |
assertEquals(1, p2.getActiveCount()); |
274 |
– |
joinPool(p2); |
844 |
|
} |
845 |
< |
|
845 |
> |
|
846 |
|
/** |
847 |
< |
* getCompleteTaskCount gives correct values |
847 |
> |
* completed submit of runnable returns successfully |
848 |
|
*/ |
849 |
< |
public void testGetCompletedTaskCount() { |
850 |
< |
ScheduledExecutor p2 = new ScheduledExecutor(2); |
851 |
< |
assertEquals(0, p2.getCompletedTaskCount()); |
852 |
< |
p2.execute(new SmallRunnable()); |
853 |
< |
try { |
854 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
286 |
< |
} catch(Exception e){ |
287 |
< |
unexpectedException(); |
849 |
> |
public void testSubmitRunnable() throws Exception { |
850 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
851 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
852 |
> |
Future<?> future = e.submit(new NoOpRunnable()); |
853 |
> |
future.get(); |
854 |
> |
assertTrue(future.isDone()); |
855 |
|
} |
289 |
– |
assertEquals(1, p2.getCompletedTaskCount()); |
290 |
– |
joinPool(p2); |
856 |
|
} |
857 |
< |
|
857 |
> |
|
858 |
|
/** |
859 |
< |
* getCorePoolSize gives correct values |
859 |
> |
* completed submit of (runnable, result) returns result |
860 |
|
*/ |
861 |
< |
public void testGetCorePoolSize() { |
862 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
863 |
< |
assertEquals(1, p1.getCorePoolSize()); |
864 |
< |
joinPool(p1); |
861 |
> |
public void testSubmitRunnable2() throws Exception { |
862 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
863 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
864 |
> |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
865 |
> |
String result = future.get(); |
866 |
> |
assertSame(TEST_STRING, result); |
867 |
> |
} |
868 |
|
} |
869 |
< |
|
869 |
> |
|
870 |
|
/** |
871 |
< |
* getLargestPoolSize gives correct values |
871 |
> |
* invokeAny(null) throws NPE |
872 |
|
*/ |
873 |
< |
public void testGetLargestPoolSize() { |
874 |
< |
ScheduledExecutor p2 = new ScheduledExecutor(2); |
875 |
< |
assertEquals(0, p2.getLargestPoolSize()); |
876 |
< |
p2.execute(new SmallRunnable()); |
877 |
< |
p2.execute(new SmallRunnable()); |
878 |
< |
try { |
879 |
< |
Thread.sleep(SHORT_DELAY_MS); |
312 |
< |
} catch(Exception e){ |
313 |
< |
unexpectedException(); |
873 |
> |
public void testInvokeAny1() throws Exception { |
874 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
875 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
876 |
> |
try { |
877 |
> |
e.invokeAny(null); |
878 |
> |
shouldThrow(); |
879 |
> |
} catch (NullPointerException success) {} |
880 |
|
} |
315 |
– |
assertEquals(2, p2.getLargestPoolSize()); |
316 |
– |
joinPool(p2); |
881 |
|
} |
882 |
< |
|
882 |
> |
|
883 |
|
/** |
884 |
< |
* getPoolSize gives correct values |
884 |
> |
* invokeAny(empty collection) throws IAE |
885 |
|
*/ |
886 |
< |
public void testGetPoolSize() { |
887 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
888 |
< |
assertEquals(0, p1.getPoolSize()); |
889 |
< |
p1.execute(new SmallRunnable()); |
890 |
< |
assertEquals(1, p1.getPoolSize()); |
891 |
< |
joinPool(p1); |
886 |
> |
public void testInvokeAny2() throws Exception { |
887 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
888 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
889 |
> |
try { |
890 |
> |
e.invokeAny(new ArrayList<Callable<String>>()); |
891 |
> |
shouldThrow(); |
892 |
> |
} catch (IllegalArgumentException success) {} |
893 |
> |
} |
894 |
|
} |
895 |
< |
|
895 |
> |
|
896 |
|
/** |
897 |
< |
* getTaskCount gives correct values |
897 |
> |
* invokeAny(c) throws NPE if c has null elements |
898 |
|
*/ |
899 |
< |
public void testGetTaskCount() { |
900 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
901 |
< |
assertEquals(0, p1.getTaskCount()); |
902 |
< |
for(int i = 0; i < 5; i++) |
903 |
< |
p1.execute(new SmallRunnable()); |
904 |
< |
try { |
905 |
< |
Thread.sleep(SHORT_DELAY_MS); |
906 |
< |
} catch(Exception e){ |
907 |
< |
unexpectedException(); |
899 |
> |
public void testInvokeAny3() throws Exception { |
900 |
> |
CountDownLatch latch = new CountDownLatch(1); |
901 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
902 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
903 |
> |
List<Callable<String>> l = new ArrayList<>(); |
904 |
> |
l.add(latchAwaitingStringTask(latch)); |
905 |
> |
l.add(null); |
906 |
> |
try { |
907 |
> |
e.invokeAny(l); |
908 |
> |
shouldThrow(); |
909 |
> |
} catch (NullPointerException success) {} |
910 |
> |
latch.countDown(); |
911 |
|
} |
343 |
– |
assertEquals(5, p1.getTaskCount()); |
344 |
– |
joinPool(p1); |
912 |
|
} |
913 |
< |
|
913 |
> |
|
914 |
|
/** |
915 |
< |
* isShutDown gives correct values |
915 |
> |
* invokeAny(c) throws ExecutionException if no task completes |
916 |
|
*/ |
917 |
< |
public void testIsShutdown() { |
918 |
< |
|
919 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
920 |
< |
try { |
921 |
< |
assertFalse(p1.isShutdown()); |
917 |
> |
public void testInvokeAny4() throws Exception { |
918 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
919 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
920 |
> |
List<Callable<String>> l = new ArrayList<>(); |
921 |
> |
l.add(new NPETask()); |
922 |
> |
try { |
923 |
> |
e.invokeAny(l); |
924 |
> |
shouldThrow(); |
925 |
> |
} catch (ExecutionException success) { |
926 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
927 |
> |
} |
928 |
|
} |
929 |
< |
finally { |
930 |
< |
p1.shutdown(); |
929 |
> |
} |
930 |
> |
|
931 |
> |
/** |
932 |
> |
* invokeAny(c) returns result of some task |
933 |
> |
*/ |
934 |
> |
public void testInvokeAny5() throws Exception { |
935 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
936 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
937 |
> |
List<Callable<String>> l = new ArrayList<>(); |
938 |
> |
l.add(new StringTask()); |
939 |
> |
l.add(new StringTask()); |
940 |
> |
String result = e.invokeAny(l); |
941 |
> |
assertSame(TEST_STRING, result); |
942 |
|
} |
359 |
– |
assertTrue(p1.isShutdown()); |
943 |
|
} |
944 |
|
|
362 |
– |
|
945 |
|
/** |
946 |
< |
* isTerminated gives correct values |
946 |
> |
* invokeAll(null) throws NPE |
947 |
|
*/ |
948 |
< |
public void testIsTerminated() { |
949 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
950 |
< |
try { |
951 |
< |
p1.execute(new SmallRunnable()); |
952 |
< |
} finally { |
953 |
< |
p1.shutdown(); |
948 |
> |
public void testInvokeAll1() throws Exception { |
949 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
950 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
951 |
> |
try { |
952 |
> |
e.invokeAll(null); |
953 |
> |
shouldThrow(); |
954 |
> |
} catch (NullPointerException success) {} |
955 |
|
} |
373 |
– |
try { |
374 |
– |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
375 |
– |
assertTrue(p1.isTerminated()); |
376 |
– |
} catch(Exception e){ |
377 |
– |
unexpectedException(); |
378 |
– |
} |
956 |
|
} |
957 |
|
|
958 |
|
/** |
959 |
< |
* isTerminating gives correct values |
959 |
> |
* invokeAll(empty collection) returns empty collection |
960 |
|
*/ |
961 |
< |
public void testIsTerminating() { |
962 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
963 |
< |
assertFalse(p1.isTerminating()); |
964 |
< |
try { |
965 |
< |
p1.execute(new SmallRunnable()); |
389 |
< |
assertFalse(p1.isTerminating()); |
390 |
< |
} finally { |
391 |
< |
p1.shutdown(); |
961 |
> |
public void testInvokeAll2() throws Exception { |
962 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
963 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
964 |
> |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
965 |
> |
assertTrue(r.isEmpty()); |
966 |
|
} |
393 |
– |
try { |
394 |
– |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
395 |
– |
assertTrue(p1.isTerminated()); |
396 |
– |
assertFalse(p1.isTerminating()); |
397 |
– |
} catch(Exception e){ |
398 |
– |
unexpectedException(); |
399 |
– |
} |
967 |
|
} |
968 |
|
|
969 |
|
/** |
970 |
< |
* that purge correctly removes cancelled tasks |
404 |
< |
* from the queue |
970 |
> |
* invokeAll(c) throws NPE if c has null elements |
971 |
|
*/ |
972 |
< |
public void testPurge() { |
973 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
974 |
< |
ScheduledCancellable[] tasks = new ScheduledCancellable[5]; |
975 |
< |
for(int i = 0; i < 5; i++){ |
976 |
< |
tasks[i] = p1.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS); |
972 |
> |
public void testInvokeAll3() throws Exception { |
973 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
974 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
975 |
> |
List<Callable<String>> l = new ArrayList<>(); |
976 |
> |
l.add(new StringTask()); |
977 |
> |
l.add(null); |
978 |
> |
try { |
979 |
> |
e.invokeAll(l); |
980 |
> |
shouldThrow(); |
981 |
> |
} catch (NullPointerException success) {} |
982 |
|
} |
412 |
– |
int max = 5; |
413 |
– |
if (tasks[4].cancel(true)) --max; |
414 |
– |
if (tasks[3].cancel(true)) --max; |
415 |
– |
p1.purge(); |
416 |
– |
long count = p1.getTaskCount(); |
417 |
– |
assertTrue(count > 0 && count <= max); |
418 |
– |
joinPool(p1); |
983 |
|
} |
984 |
|
|
985 |
|
/** |
986 |
< |
* shutDownNow returns a list |
423 |
< |
* containing the correct number of elements |
986 |
> |
* get of invokeAll(c) throws exception on failed task |
987 |
|
*/ |
988 |
< |
public void testShutDownNow() { |
989 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
990 |
< |
for(int i = 0; i < 5; i++) |
991 |
< |
p1.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
992 |
< |
List l = p1.shutdownNow(); |
993 |
< |
assertTrue(p1.isShutdown()); |
994 |
< |
assertTrue(l.size() > 0 && l.size() <= 5); |
995 |
< |
joinPool(p1); |
988 |
> |
public void testInvokeAll4() throws Exception { |
989 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
990 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
991 |
> |
List<Callable<String>> l = new ArrayList<>(); |
992 |
> |
l.add(new NPETask()); |
993 |
> |
List<Future<String>> futures = e.invokeAll(l); |
994 |
> |
assertEquals(1, futures.size()); |
995 |
> |
try { |
996 |
> |
futures.get(0).get(); |
997 |
> |
shouldThrow(); |
998 |
> |
} catch (ExecutionException success) { |
999 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1000 |
> |
} |
1001 |
> |
} |
1002 |
|
} |
1003 |
|
|
1004 |
|
/** |
1005 |
< |
* |
1005 |
> |
* invokeAll(c) returns results of all completed tasks |
1006 |
|
*/ |
1007 |
< |
public void testShutDown1() { |
1008 |
< |
try { |
1009 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
1010 |
< |
assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
1011 |
< |
assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
1007 |
> |
public void testInvokeAll5() throws Exception { |
1008 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1009 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1010 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1011 |
> |
l.add(new StringTask()); |
1012 |
> |
l.add(new StringTask()); |
1013 |
> |
List<Future<String>> futures = e.invokeAll(l); |
1014 |
> |
assertEquals(2, futures.size()); |
1015 |
> |
for (Future<String> future : futures) |
1016 |
> |
assertSame(TEST_STRING, future.get()); |
1017 |
> |
} |
1018 |
> |
} |
1019 |
|
|
1020 |
< |
ScheduledCancellable[] tasks = new ScheduledCancellable[5]; |
1021 |
< |
for(int i = 0; i < 5; i++) |
1022 |
< |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
1023 |
< |
p1.shutdown(); |
1024 |
< |
BlockingQueue q = p1.getQueue(); |
1025 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
1026 |
< |
ScheduledCancellable t = (ScheduledCancellable)it.next(); |
1027 |
< |
assertFalse(t.isCancelled()); |
1028 |
< |
} |
1029 |
< |
assertTrue(p1.isShutdown()); |
454 |
< |
Thread.sleep(SMALL_DELAY_MS); |
455 |
< |
for (int i = 0; i < 5; ++i) { |
456 |
< |
assertTrue(tasks[i].isDone()); |
457 |
< |
assertFalse(tasks[i].isCancelled()); |
458 |
< |
} |
459 |
< |
|
1020 |
> |
/** |
1021 |
> |
* timed invokeAny(null) throws NPE |
1022 |
> |
*/ |
1023 |
> |
public void testTimedInvokeAny1() throws Exception { |
1024 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1025 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1026 |
> |
try { |
1027 |
> |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1028 |
> |
shouldThrow(); |
1029 |
> |
} catch (NullPointerException success) {} |
1030 |
|
} |
1031 |
< |
catch(Exception ex) { |
1032 |
< |
unexpectedException(); |
1031 |
> |
} |
1032 |
> |
|
1033 |
> |
/** |
1034 |
> |
* timed invokeAny(,,null) throws NPE |
1035 |
> |
*/ |
1036 |
> |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1037 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1038 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1039 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1040 |
> |
l.add(new StringTask()); |
1041 |
> |
try { |
1042 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1043 |
> |
shouldThrow(); |
1044 |
> |
} catch (NullPointerException success) {} |
1045 |
|
} |
1046 |
|
} |
1047 |
|
|
1048 |
+ |
/** |
1049 |
+ |
* timed invokeAny(empty collection) throws IAE |
1050 |
+ |
*/ |
1051 |
+ |
public void testTimedInvokeAny2() throws Exception { |
1052 |
+ |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1053 |
+ |
try (PoolCleaner cleaner = cleaner(e)) { |
1054 |
+ |
try { |
1055 |
+ |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1056 |
+ |
shouldThrow(); |
1057 |
+ |
} catch (IllegalArgumentException success) {} |
1058 |
+ |
} |
1059 |
+ |
} |
1060 |
|
|
1061 |
|
/** |
1062 |
< |
* |
1062 |
> |
* timed invokeAny(c) throws NPE if c has null elements |
1063 |
|
*/ |
1064 |
< |
public void testShutDown2() { |
1065 |
< |
try { |
1066 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
1067 |
< |
p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
1068 |
< |
ScheduledCancellable[] tasks = new ScheduledCancellable[5]; |
1069 |
< |
for(int i = 0; i < 5; i++) |
1070 |
< |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
1071 |
< |
p1.shutdown(); |
1072 |
< |
assertTrue(p1.isShutdown()); |
1073 |
< |
BlockingQueue q = p1.getQueue(); |
1074 |
< |
assertTrue(q.isEmpty()); |
1075 |
< |
Thread.sleep(SMALL_DELAY_MS); |
482 |
< |
assertTrue(p1.isTerminated()); |
1064 |
> |
public void testTimedInvokeAny3() throws Exception { |
1065 |
> |
CountDownLatch latch = new CountDownLatch(1); |
1066 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1067 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1068 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1069 |
> |
l.add(latchAwaitingStringTask(latch)); |
1070 |
> |
l.add(null); |
1071 |
> |
try { |
1072 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1073 |
> |
shouldThrow(); |
1074 |
> |
} catch (NullPointerException success) {} |
1075 |
> |
latch.countDown(); |
1076 |
|
} |
1077 |
< |
catch(Exception ex) { |
1078 |
< |
unexpectedException(); |
1077 |
> |
} |
1078 |
> |
|
1079 |
> |
/** |
1080 |
> |
* timed invokeAny(c) throws ExecutionException if no task completes |
1081 |
> |
*/ |
1082 |
> |
public void testTimedInvokeAny4() throws Exception { |
1083 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1084 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1085 |
> |
long startTime = System.nanoTime(); |
1086 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1087 |
> |
l.add(new NPETask()); |
1088 |
> |
try { |
1089 |
> |
e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1090 |
> |
shouldThrow(); |
1091 |
> |
} catch (ExecutionException success) { |
1092 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1093 |
> |
} |
1094 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1095 |
|
} |
1096 |
|
} |
1097 |
|
|
1098 |
+ |
/** |
1099 |
+ |
* timed invokeAny(c) returns result of some task |
1100 |
+ |
*/ |
1101 |
+ |
public void testTimedInvokeAny5() throws Exception { |
1102 |
+ |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1103 |
+ |
try (PoolCleaner cleaner = cleaner(e)) { |
1104 |
+ |
long startTime = System.nanoTime(); |
1105 |
+ |
List<Callable<String>> l = new ArrayList<>(); |
1106 |
+ |
l.add(new StringTask()); |
1107 |
+ |
l.add(new StringTask()); |
1108 |
+ |
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1109 |
+ |
assertSame(TEST_STRING, result); |
1110 |
+ |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1111 |
+ |
} |
1112 |
+ |
} |
1113 |
|
|
1114 |
|
/** |
1115 |
< |
* |
1115 |
> |
* timed invokeAll(null) throws NPE |
1116 |
|
*/ |
1117 |
< |
public void testShutDown3() { |
1118 |
< |
try { |
1119 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
1120 |
< |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
1121 |
< |
ScheduledCancellable task = |
1122 |
< |
p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS); |
1123 |
< |
p1.shutdown(); |
500 |
< |
assertTrue(p1.isShutdown()); |
501 |
< |
BlockingQueue q = p1.getQueue(); |
502 |
< |
assertTrue(q.isEmpty()); |
503 |
< |
Thread.sleep(SHORT_DELAY_MS); |
504 |
< |
assertTrue(p1.isTerminated()); |
1117 |
> |
public void testTimedInvokeAll1() throws Exception { |
1118 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1119 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1120 |
> |
try { |
1121 |
> |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1122 |
> |
shouldThrow(); |
1123 |
> |
} catch (NullPointerException success) {} |
1124 |
|
} |
1125 |
< |
catch(Exception ex) { |
1126 |
< |
unexpectedException(); |
1125 |
> |
} |
1126 |
> |
|
1127 |
> |
/** |
1128 |
> |
* timed invokeAll(,,null) throws NPE |
1129 |
> |
*/ |
1130 |
> |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1131 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1132 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1133 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1134 |
> |
l.add(new StringTask()); |
1135 |
> |
try { |
1136 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1137 |
> |
shouldThrow(); |
1138 |
> |
} catch (NullPointerException success) {} |
1139 |
|
} |
1140 |
|
} |
1141 |
|
|
1142 |
|
/** |
1143 |
< |
* |
1143 |
> |
* timed invokeAll(empty collection) returns empty collection |
1144 |
|
*/ |
1145 |
< |
public void testShutDown4() { |
1146 |
< |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
1147 |
< |
try { |
1148 |
< |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
1149 |
< |
ScheduledCancellable task = |
1150 |
< |
p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS); |
1151 |
< |
assertFalse(task.isCancelled()); |
1152 |
< |
p1.shutdown(); |
1153 |
< |
assertFalse(task.isCancelled()); |
1154 |
< |
assertFalse(p1.isTerminated()); |
1155 |
< |
assertTrue(p1.isShutdown()); |
1156 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1157 |
< |
assertFalse(task.isCancelled()); |
1158 |
< |
task.cancel(true); |
1159 |
< |
assertTrue(task.isCancelled()); |
1160 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1161 |
< |
assertTrue(p1.isTerminated()); |
1145 |
> |
public void testTimedInvokeAll2() throws Exception { |
1146 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1147 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1148 |
> |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), |
1149 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
1150 |
> |
assertTrue(r.isEmpty()); |
1151 |
> |
} |
1152 |
> |
} |
1153 |
> |
|
1154 |
> |
/** |
1155 |
> |
* timed invokeAll(c) throws NPE if c has null elements |
1156 |
> |
*/ |
1157 |
> |
public void testTimedInvokeAll3() throws Exception { |
1158 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1159 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1160 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1161 |
> |
l.add(new StringTask()); |
1162 |
> |
l.add(null); |
1163 |
> |
try { |
1164 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1165 |
> |
shouldThrow(); |
1166 |
> |
} catch (NullPointerException success) {} |
1167 |
|
} |
1168 |
< |
catch(Exception ex) { |
1169 |
< |
unexpectedException(); |
1168 |
> |
} |
1169 |
> |
|
1170 |
> |
/** |
1171 |
> |
* get of element of invokeAll(c) throws exception on failed task |
1172 |
> |
*/ |
1173 |
> |
public void testTimedInvokeAll4() throws Exception { |
1174 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1175 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1176 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1177 |
> |
l.add(new NPETask()); |
1178 |
> |
List<Future<String>> futures = |
1179 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1180 |
> |
assertEquals(1, futures.size()); |
1181 |
> |
try { |
1182 |
> |
futures.get(0).get(); |
1183 |
> |
shouldThrow(); |
1184 |
> |
} catch (ExecutionException success) { |
1185 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1186 |
> |
} |
1187 |
|
} |
1188 |
< |
finally { |
1189 |
< |
p1.shutdownNow(); |
1188 |
> |
} |
1189 |
> |
|
1190 |
> |
/** |
1191 |
> |
* timed invokeAll(c) returns results of all completed tasks |
1192 |
> |
*/ |
1193 |
> |
public void testTimedInvokeAll5() throws Exception { |
1194 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1195 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1196 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1197 |
> |
l.add(new StringTask()); |
1198 |
> |
l.add(new StringTask()); |
1199 |
> |
List<Future<String>> futures = |
1200 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1201 |
> |
assertEquals(2, futures.size()); |
1202 |
> |
for (Future<String> future : futures) |
1203 |
> |
assertSame(TEST_STRING, future.get()); |
1204 |
> |
} |
1205 |
> |
} |
1206 |
> |
|
1207 |
> |
/** |
1208 |
> |
* timed invokeAll(c) cancels tasks not completed by timeout |
1209 |
> |
*/ |
1210 |
> |
public void testTimedInvokeAll6() throws Exception { |
1211 |
> |
for (long timeout = timeoutMillis();;) { |
1212 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1213 |
> |
final Callable<String> waiter = new CheckedCallable<String>() { |
1214 |
> |
public String realCall() { |
1215 |
> |
try { done.await(LONG_DELAY_MS, MILLISECONDS); } |
1216 |
> |
catch (InterruptedException ok) {} |
1217 |
> |
return "1"; }}; |
1218 |
> |
final ExecutorService p = new ScheduledThreadPoolExecutor(2); |
1219 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
1220 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1221 |
> |
tasks.add(new StringTask("0")); |
1222 |
> |
tasks.add(waiter); |
1223 |
> |
tasks.add(new StringTask("2")); |
1224 |
> |
long startTime = System.nanoTime(); |
1225 |
> |
List<Future<String>> futures = |
1226 |
> |
p.invokeAll(tasks, timeout, MILLISECONDS); |
1227 |
> |
assertEquals(tasks.size(), futures.size()); |
1228 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1229 |
> |
for (Future future : futures) |
1230 |
> |
assertTrue(future.isDone()); |
1231 |
> |
assertTrue(futures.get(1).isCancelled()); |
1232 |
> |
try { |
1233 |
> |
assertEquals("0", futures.get(0).get()); |
1234 |
> |
assertEquals("2", futures.get(2).get()); |
1235 |
> |
break; |
1236 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1237 |
> |
timeout *= 2; |
1238 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1239 |
> |
fail("expected exactly one task to be cancelled"); |
1240 |
> |
} |
1241 |
> |
} |
1242 |
> |
} |
1243 |
> |
} |
1244 |
> |
|
1245 |
> |
/** |
1246 |
> |
* A fixed delay task with overflowing period should not prevent a |
1247 |
> |
* one-shot task from executing. |
1248 |
> |
* https://bugs.openjdk.java.net/browse/JDK-8051859 |
1249 |
> |
*/ |
1250 |
> |
public void testScheduleWithFixedDelay_overflow() throws Exception { |
1251 |
> |
final CountDownLatch delayedDone = new CountDownLatch(1); |
1252 |
> |
final CountDownLatch immediateDone = new CountDownLatch(1); |
1253 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
1254 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1255 |
> |
final Runnable immediate = new Runnable() { public void run() { |
1256 |
> |
immediateDone.countDown(); |
1257 |
> |
}}; |
1258 |
> |
final Runnable delayed = new Runnable() { public void run() { |
1259 |
> |
delayedDone.countDown(); |
1260 |
> |
p.submit(immediate); |
1261 |
> |
}}; |
1262 |
> |
p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS); |
1263 |
> |
await(delayedDone); |
1264 |
> |
await(immediateDone); |
1265 |
|
} |
1266 |
|
} |
1267 |
|
|