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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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|
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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.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.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.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.AtomicInteger; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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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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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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assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS)); |
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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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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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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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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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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
123 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
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final long startTime = System.nanoTime(); |
125 |
> |
final CountDownLatch done = new CountDownLatch(1); |
126 |
> |
Runnable task = new CheckedRunnable() { |
127 |
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public void realRun() { |
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done.countDown(); |
129 |
> |
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()); |
136 |
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f.cancel(true); |
137 |
> |
} |
138 |
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} |
139 |
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|
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> |
static class RunnableCounter implements Runnable { |
141 |
> |
AtomicInteger count = new AtomicInteger(0); |
142 |
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public void run() { count.getAndIncrement(); } |
143 |
> |
} |
144 |
> |
|
145 |
> |
/** |
146 |
> |
* scheduleAtFixedRate executes series of tasks at given rate |
147 |
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*/ |
148 |
> |
public void testFixedRateSequence() throws InterruptedException { |
149 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
150 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
151 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
152 |
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long startTime = System.nanoTime(); |
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int cycles = 10; |
154 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
155 |
> |
Runnable task = new CheckedRunnable() { |
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public void realRun() { done.countDown(); }}; |
157 |
> |
ScheduledFuture h = |
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> |
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
159 |
> |
await(done); |
160 |
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h.cancel(true); |
161 |
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double normalizedTime = |
162 |
> |
(double) millisElapsedSince(startTime) / delay; |
163 |
> |
if (normalizedTime >= cycles - 1 && |
164 |
> |
normalizedTime <= cycles) |
165 |
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return; |
166 |
|
} |
167 |
+ |
throw new AssertionError("unexpected execution rate"); |
168 |
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} |
169 |
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} |
170 |
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|
171 |
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static class MyCallable implements Callable { |
172 |
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volatile boolean waiting = true; |
173 |
< |
volatile boolean done = false; |
174 |
< |
public Object call(){ |
175 |
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try{ |
176 |
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Thread.sleep(SHORT_DELAY_MS); |
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waiting = false; |
178 |
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done = true; |
179 |
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}catch(Exception e){} |
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return Boolean.TRUE; |
171 |
> |
/** |
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* scheduleWithFixedDelay executes series of tasks with given period |
173 |
> |
*/ |
174 |
> |
public void testFixedDelaySequence() throws InterruptedException { |
175 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
176 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
177 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
178 |
> |
long startTime = System.nanoTime(); |
179 |
> |
int cycles = 10; |
180 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
181 |
> |
Runnable task = new CheckedRunnable() { |
182 |
> |
public void realRun() { done.countDown(); }}; |
183 |
> |
ScheduledFuture h = |
184 |
> |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
185 |
> |
await(done); |
186 |
> |
h.cancel(true); |
187 |
> |
double normalizedTime = |
188 |
> |
(double) millisElapsedSince(startTime) / delay; |
189 |
> |
if (normalizedTime >= cycles - 1 && |
190 |
> |
normalizedTime <= cycles) |
191 |
> |
return; |
192 |
> |
} |
193 |
> |
throw new AssertionError("unexpected execution rate"); |
194 |
|
} |
195 |
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} |
196 |
|
|
197 |
< |
public Runnable newRunnable(){ |
198 |
< |
return new Runnable(){ |
199 |
< |
public void run(){ |
200 |
< |
try{Thread.sleep(SHORT_DELAY_MS); |
201 |
< |
} catch(Exception e){ |
202 |
< |
} |
203 |
< |
} |
204 |
< |
}; |
197 |
> |
/** |
198 |
> |
* execute(null) throws NPE |
199 |
> |
*/ |
200 |
> |
public void testExecuteNull() throws InterruptedException { |
201 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
202 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
203 |
> |
try { |
204 |
> |
p.execute(null); |
205 |
> |
shouldThrow(); |
206 |
> |
} catch (NullPointerException success) {} |
207 |
> |
} |
208 |
|
} |
209 |
|
|
210 |
< |
public Runnable newNoopRunnable() { |
211 |
< |
return new Runnable(){ |
212 |
< |
public void run(){ |
213 |
< |
} |
214 |
< |
}; |
210 |
> |
/** |
211 |
> |
* schedule(null) throws NPE |
212 |
> |
*/ |
213 |
> |
public void testScheduleNull() throws InterruptedException { |
214 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
215 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
216 |
> |
try { |
217 |
> |
TrackedCallable callable = null; |
218 |
> |
Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
219 |
> |
shouldThrow(); |
220 |
> |
} catch (NullPointerException success) {} |
221 |
> |
} |
222 |
|
} |
223 |
|
|
224 |
|
/** |
225 |
< |
* Test to verify execute successfully runs the given Runnable |
225 |
> |
* execute throws RejectedExecutionException if shutdown |
226 |
|
*/ |
227 |
< |
public void testExecute(){ |
228 |
< |
try{ |
229 |
< |
MyRunnable runnable =new MyRunnable(); |
230 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
231 |
< |
one.execute(runnable); |
232 |
< |
Thread.sleep(SHORT_DELAY_MS/2); |
233 |
< |
assertTrue(runnable.waiting); |
234 |
< |
one.shutdown(); |
235 |
< |
try{ |
236 |
< |
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(); |
227 |
> |
public void testSchedule1_RejectedExecutionException() throws InterruptedException { |
228 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
229 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
230 |
> |
try { |
231 |
> |
p.shutdown(); |
232 |
> |
p.schedule(new NoOpRunnable(), |
233 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
234 |
> |
shouldThrow(); |
235 |
> |
} catch (RejectedExecutionException success) { |
236 |
> |
} catch (SecurityException ok) {} |
237 |
|
} |
238 |
< |
catch(Exception e){ |
239 |
< |
fail("unexpected exception"); |
238 |
> |
} |
239 |
> |
|
240 |
> |
/** |
241 |
> |
* schedule throws RejectedExecutionException if shutdown |
242 |
> |
*/ |
243 |
> |
public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
244 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
245 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
246 |
> |
try { |
247 |
> |
p.shutdown(); |
248 |
> |
p.schedule(new NoOpCallable(), |
249 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
250 |
> |
shouldThrow(); |
251 |
> |
} catch (RejectedExecutionException success) { |
252 |
> |
} catch (SecurityException ok) {} |
253 |
|
} |
254 |
|
} |
255 |
|
|
256 |
|
/** |
257 |
< |
* Test to verify schedule successfully runs the given Callable. |
99 |
< |
* The waiting flag shows that the Callable is not started until |
100 |
< |
* immediately. |
257 |
> |
* schedule callable throws RejectedExecutionException if shutdown |
258 |
|
*/ |
259 |
< |
public void testSchedule1(){ |
260 |
< |
try{ |
261 |
< |
MyCallable callable = new MyCallable(); |
262 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
263 |
< |
Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
264 |
< |
assertTrue(callable.waiting); |
265 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
266 |
< |
assertTrue(callable.done); |
267 |
< |
assertEquals(Boolean.TRUE, f.get()); |
268 |
< |
one.shutdown(); |
112 |
< |
}catch(RejectedExecutionException e){} |
113 |
< |
catch(Exception e){ |
114 |
< |
fail("unexpected exception"); |
259 |
> |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
260 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
261 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
262 |
> |
try { |
263 |
> |
p.shutdown(); |
264 |
> |
p.schedule(new NoOpCallable(), |
265 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
266 |
> |
shouldThrow(); |
267 |
> |
} catch (RejectedExecutionException success) { |
268 |
> |
} catch (SecurityException ok) {} |
269 |
|
} |
270 |
|
} |
271 |
|
|
272 |
|
/** |
273 |
< |
* Another version of schedule, only using Runnable instead of Callable |
273 |
> |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
274 |
|
*/ |
275 |
< |
public void testSchedule3(){ |
276 |
< |
try{ |
277 |
< |
MyRunnable runnable = new MyRunnable(); |
278 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
279 |
< |
one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
280 |
< |
Thread.sleep(SHORT_DELAY_MS/2); |
281 |
< |
assertTrue(runnable.waiting); |
282 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
283 |
< |
assertTrue(runnable.done); |
284 |
< |
one.shutdown(); |
131 |
< |
} catch(Exception e){ |
132 |
< |
fail("unexpected exception"); |
275 |
> |
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
276 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
277 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
278 |
> |
try { |
279 |
> |
p.shutdown(); |
280 |
> |
p.scheduleAtFixedRate(new NoOpRunnable(), |
281 |
> |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
282 |
> |
shouldThrow(); |
283 |
> |
} catch (RejectedExecutionException success) { |
284 |
> |
} catch (SecurityException ok) {} |
285 |
|
} |
286 |
|
} |
287 |
< |
|
287 |
> |
|
288 |
|
/** |
289 |
< |
* The final version of schedule, using both long, TimeUnit and Runnable |
289 |
> |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
290 |
|
*/ |
291 |
< |
public void testSchedule4(){ |
292 |
< |
try{ |
293 |
< |
MyRunnable runnable = new MyRunnable(); |
294 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
295 |
< |
one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
296 |
< |
// Thread.sleep(505); |
297 |
< |
assertTrue(runnable.waiting); |
298 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
299 |
< |
assertTrue(runnable.done); |
300 |
< |
one.shutdown(); |
149 |
< |
} catch(Exception e){ |
150 |
< |
fail("unexpected exception"); |
291 |
> |
public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
292 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
293 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
294 |
> |
try { |
295 |
> |
p.shutdown(); |
296 |
> |
p.scheduleWithFixedDelay(new NoOpRunnable(), |
297 |
> |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
298 |
> |
shouldThrow(); |
299 |
> |
} catch (RejectedExecutionException success) { |
300 |
> |
} catch (SecurityException ok) {} |
301 |
|
} |
302 |
|
} |
153 |
– |
|
154 |
– |
|
155 |
– |
// exception tests |
303 |
|
|
304 |
|
/** |
305 |
< |
* Test to verify schedule(Runnable, long) throws RejectedExecutionException |
306 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
305 |
> |
* getActiveCount increases but doesn't overestimate, when a |
306 |
> |
* thread becomes active |
307 |
|
*/ |
308 |
< |
public void testSchedule1_RejectedExecutionException(){ |
309 |
< |
try{ |
310 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
311 |
< |
se.shutdown(); |
312 |
< |
se.schedule(new Runnable(){ |
313 |
< |
public void run(){} |
314 |
< |
}, 10000, TimeUnit.MILLISECONDS); |
315 |
< |
fail("shoud throw"); |
316 |
< |
}catch(RejectedExecutionException e){} |
308 |
> |
public void testGetActiveCount() throws InterruptedException { |
309 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
310 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
311 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
312 |
> |
final CountDownLatch done = new CountDownLatch(1); |
313 |
> |
assertEquals(0, p.getActiveCount()); |
314 |
> |
p.execute(new CheckedRunnable() { |
315 |
> |
public void realRun() throws InterruptedException { |
316 |
> |
threadStarted.countDown(); |
317 |
> |
assertEquals(1, p.getActiveCount()); |
318 |
> |
await(done); |
319 |
> |
}}); |
320 |
> |
assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
321 |
> |
assertEquals(1, p.getActiveCount()); |
322 |
> |
done.countDown(); |
323 |
> |
} |
324 |
|
} |
325 |
|
|
326 |
|
/** |
327 |
< |
* Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException |
328 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
327 |
> |
* getCompletedTaskCount increases, but doesn't overestimate, |
328 |
> |
* when tasks complete |
329 |
|
*/ |
330 |
< |
public void testSchedule2_RejectedExecutionException(){ |
331 |
< |
try{ |
332 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
333 |
< |
se.shutdown(); |
334 |
< |
se.schedule(new Callable(){ |
335 |
< |
public Object call(){ |
336 |
< |
return Boolean.TRUE; |
337 |
< |
} |
338 |
< |
}, (long)100, TimeUnit.SECONDS); |
339 |
< |
fail("should throw"); |
340 |
< |
}catch(RejectedExecutionException e){} |
330 |
> |
public void testGetCompletedTaskCount() throws InterruptedException { |
331 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
332 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
333 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
334 |
> |
final CountDownLatch threadProceed = new CountDownLatch(1); |
335 |
> |
final CountDownLatch threadDone = new CountDownLatch(1); |
336 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
337 |
> |
p.execute(new CheckedRunnable() { |
338 |
> |
public void realRun() throws InterruptedException { |
339 |
> |
threadStarted.countDown(); |
340 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
341 |
> |
threadProceed.await(); |
342 |
> |
threadDone.countDown(); |
343 |
> |
}}); |
344 |
> |
await(threadStarted); |
345 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
346 |
> |
threadProceed.countDown(); |
347 |
> |
threadDone.await(); |
348 |
> |
long startTime = System.nanoTime(); |
349 |
> |
while (p.getCompletedTaskCount() != 1) { |
350 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
351 |
> |
fail("timed out"); |
352 |
> |
Thread.yield(); |
353 |
> |
} |
354 |
> |
} |
355 |
|
} |
356 |
|
|
357 |
|
/** |
358 |
< |
* Test to verify schedule(Callable, long) throws RejectedExecutionException |
191 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
358 |
> |
* getCorePoolSize returns size given in constructor if not otherwise set |
359 |
|
*/ |
360 |
< |
public void testSchedule3_RejectedExecutionException(){ |
361 |
< |
try{ |
362 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
363 |
< |
se.shutdown(); |
364 |
< |
se.schedule(new Callable(){ |
365 |
< |
public Object call(){ |
366 |
< |
return Boolean.TRUE; |
367 |
< |
} |
368 |
< |
}, 10000, TimeUnit.MILLISECONDS); |
369 |
< |
fail("should throw"); |
370 |
< |
}catch(RejectedExecutionException e){} |
360 |
> |
public void testGetCorePoolSize() throws InterruptedException { |
361 |
> |
ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
362 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
363 |
> |
assertEquals(1, p.getCorePoolSize()); |
364 |
> |
} |
365 |
> |
} |
366 |
> |
|
367 |
> |
/** |
368 |
> |
* getLargestPoolSize increases, but doesn't overestimate, when |
369 |
> |
* multiple threads active |
370 |
> |
*/ |
371 |
> |
public void testGetLargestPoolSize() throws InterruptedException { |
372 |
> |
final int THREADS = 3; |
373 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS); |
374 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
375 |
> |
final CountDownLatch done = new CountDownLatch(1); |
376 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
377 |
> |
assertEquals(0, p.getLargestPoolSize()); |
378 |
> |
for (int i = 0; i < THREADS; i++) |
379 |
> |
p.execute(new CheckedRunnable() { |
380 |
> |
public void realRun() throws InterruptedException { |
381 |
> |
threadsStarted.countDown(); |
382 |
> |
await(done); |
383 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
384 |
> |
}}); |
385 |
> |
await(threadsStarted); |
386 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
387 |
> |
} |
388 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
389 |
> |
} |
390 |
> |
|
391 |
> |
/** |
392 |
> |
* getPoolSize increases, but doesn't overestimate, when threads |
393 |
> |
* become active |
394 |
> |
*/ |
395 |
> |
public void testGetPoolSize() throws InterruptedException { |
396 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
397 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
398 |
> |
final CountDownLatch done = new CountDownLatch(1); |
399 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
400 |
> |
assertEquals(0, p.getPoolSize()); |
401 |
> |
p.execute(new CheckedRunnable() { |
402 |
> |
public void realRun() throws InterruptedException { |
403 |
> |
threadStarted.countDown(); |
404 |
> |
assertEquals(1, p.getPoolSize()); |
405 |
> |
await(done); |
406 |
> |
}}); |
407 |
> |
await(threadStarted); |
408 |
> |
assertEquals(1, p.getPoolSize()); |
409 |
> |
} |
410 |
> |
} |
411 |
> |
|
412 |
> |
/** |
413 |
> |
* getTaskCount increases, but doesn't overestimate, when tasks |
414 |
> |
* submitted |
415 |
> |
*/ |
416 |
> |
public void testGetTaskCount() throws InterruptedException { |
417 |
> |
final int TASKS = 3; |
418 |
> |
final CountDownLatch done = new CountDownLatch(1); |
419 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
420 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
421 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
422 |
> |
assertEquals(0, p.getTaskCount()); |
423 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
424 |
> |
p.execute(new CheckedRunnable() { |
425 |
> |
public void realRun() throws InterruptedException { |
426 |
> |
threadStarted.countDown(); |
427 |
> |
await(done); |
428 |
> |
}}); |
429 |
> |
assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
430 |
> |
assertEquals(1, p.getTaskCount()); |
431 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
432 |
> |
for (int i = 0; i < TASKS; i++) { |
433 |
> |
assertEquals(1 + i, p.getTaskCount()); |
434 |
> |
p.execute(new CheckedRunnable() { |
435 |
> |
public void realRun() throws InterruptedException { |
436 |
> |
threadStarted.countDown(); |
437 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
438 |
> |
await(done); |
439 |
> |
}}); |
440 |
> |
} |
441 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
442 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
443 |
> |
} |
444 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
445 |
> |
assertEquals(1 + TASKS, p.getCompletedTaskCount()); |
446 |
|
} |
447 |
|
|
448 |
|
/** |
449 |
< |
* 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 |
449 |
> |
* getThreadFactory returns factory in constructor if not set |
450 |
|
*/ |
451 |
< |
public void testScheduleAtFixedRate1_RejectedExecutionException(){ |
452 |
< |
try{ |
453 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
454 |
< |
se.shutdown(); |
455 |
< |
se.scheduleAtFixedRate(new Runnable(){ |
456 |
< |
public void run(){} |
457 |
< |
}, 100, 100, TimeUnit.SECONDS); |
218 |
< |
fail("should throw"); |
219 |
< |
}catch(RejectedExecutionException e){} |
451 |
> |
public void testGetThreadFactory() throws InterruptedException { |
452 |
> |
final ThreadFactory threadFactory = new SimpleThreadFactory(); |
453 |
> |
final ScheduledThreadPoolExecutor p = |
454 |
> |
new ScheduledThreadPoolExecutor(1, threadFactory); |
455 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
456 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
457 |
> |
} |
458 |
|
} |
459 |
< |
|
459 |
> |
|
460 |
|
/** |
461 |
< |
* 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 |
461 |
> |
* setThreadFactory sets the thread factory returned by getThreadFactory |
462 |
|
*/ |
463 |
< |
public void testScheduleAtFixedRate2_RejectedExecutionException(){ |
464 |
< |
try{ |
465 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
466 |
< |
se.shutdown(); |
467 |
< |
se.scheduleAtFixedRate(new Runnable(){ |
468 |
< |
public void run(){} |
469 |
< |
}, 1, 100, TimeUnit.SECONDS); |
234 |
< |
fail("should throw"); |
235 |
< |
}catch(RejectedExecutionException e){} |
463 |
> |
public void testSetThreadFactory() throws InterruptedException { |
464 |
> |
ThreadFactory threadFactory = new SimpleThreadFactory(); |
465 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
466 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
467 |
> |
p.setThreadFactory(threadFactory); |
468 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
469 |
> |
} |
470 |
|
} |
471 |
|
|
472 |
|
/** |
473 |
< |
* 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 |
473 |
> |
* setThreadFactory(null) throws NPE |
474 |
|
*/ |
475 |
< |
public void testScheduleWithFixedDelay1_RejectedExecutionException(){ |
476 |
< |
try{ |
477 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
478 |
< |
se.shutdown(); |
479 |
< |
se.scheduleWithFixedDelay(new Runnable(){ |
480 |
< |
public void run(){} |
481 |
< |
}, 100, 100, TimeUnit.SECONDS); |
482 |
< |
fail("should throw"); |
251 |
< |
}catch(RejectedExecutionException e){} |
475 |
> |
public void testSetThreadFactoryNull() throws InterruptedException { |
476 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
477 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
478 |
> |
try { |
479 |
> |
p.setThreadFactory(null); |
480 |
> |
shouldThrow(); |
481 |
> |
} catch (NullPointerException success) {} |
482 |
> |
} |
483 |
|
} |
484 |
|
|
485 |
|
/** |
486 |
< |
* 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 |
486 |
> |
* isShutdown is false before shutdown, true after |
487 |
|
*/ |
488 |
< |
public void testScheduleWithFixedDelay2_RejectedExecutionException(){ |
489 |
< |
try{ |
490 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
491 |
< |
se.shutdown(); |
492 |
< |
se.scheduleWithFixedDelay(new Runnable(){ |
493 |
< |
public void run(){} |
494 |
< |
}, 1, 100, TimeUnit.SECONDS); |
495 |
< |
fail("should throw"); |
496 |
< |
}catch(RejectedExecutionException e){} |
488 |
> |
public void testIsShutdown() { |
489 |
> |
|
490 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
491 |
> |
try { |
492 |
> |
assertFalse(p.isShutdown()); |
493 |
> |
} |
494 |
> |
finally { |
495 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
496 |
> |
} |
497 |
> |
assertTrue(p.isShutdown()); |
498 |
|
} |
499 |
|
|
500 |
|
/** |
501 |
< |
* Test to verify execute throws RejectedExecutionException |
272 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
501 |
> |
* isTerminated is false before termination, true after |
502 |
|
*/ |
503 |
< |
public void testExecute_RejectedExecutionException(){ |
504 |
< |
try{ |
505 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
506 |
< |
se.shutdown(); |
507 |
< |
se.execute(new Runnable(){ |
508 |
< |
public void run(){} |
509 |
< |
}); |
510 |
< |
fail("should throw"); |
511 |
< |
}catch(RejectedExecutionException e){} |
503 |
> |
public void testIsTerminated() throws InterruptedException { |
504 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
505 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
506 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
507 |
> |
final CountDownLatch done = new CountDownLatch(1); |
508 |
> |
assertFalse(p.isTerminated()); |
509 |
> |
p.execute(new CheckedRunnable() { |
510 |
> |
public void realRun() throws InterruptedException { |
511 |
> |
assertFalse(p.isTerminated()); |
512 |
> |
threadStarted.countDown(); |
513 |
> |
await(done); |
514 |
> |
}}); |
515 |
> |
assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
516 |
> |
assertFalse(p.isTerminating()); |
517 |
> |
done.countDown(); |
518 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
519 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
520 |
> |
assertTrue(p.isTerminated()); |
521 |
> |
} |
522 |
> |
} |
523 |
> |
|
524 |
> |
/** |
525 |
> |
* isTerminating is not true when running or when terminated |
526 |
> |
*/ |
527 |
> |
public void testIsTerminating() throws InterruptedException { |
528 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
529 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
530 |
> |
final CountDownLatch done = new CountDownLatch(1); |
531 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
532 |
> |
assertFalse(p.isTerminating()); |
533 |
> |
p.execute(new CheckedRunnable() { |
534 |
> |
public void realRun() throws InterruptedException { |
535 |
> |
assertFalse(p.isTerminating()); |
536 |
> |
threadStarted.countDown(); |
537 |
> |
await(done); |
538 |
> |
}}); |
539 |
> |
assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
540 |
> |
assertFalse(p.isTerminating()); |
541 |
> |
done.countDown(); |
542 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
543 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
544 |
> |
assertTrue(p.isTerminated()); |
545 |
> |
assertFalse(p.isTerminating()); |
546 |
> |
} |
547 |
> |
} |
548 |
> |
|
549 |
> |
/** |
550 |
> |
* getQueue returns the work queue, which contains queued tasks |
551 |
> |
*/ |
552 |
> |
public void testGetQueue() throws InterruptedException { |
553 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
554 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
555 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
556 |
> |
final CountDownLatch done = new CountDownLatch(1); |
557 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
558 |
> |
for (int i = 0; i < tasks.length; i++) { |
559 |
> |
Runnable r = new CheckedRunnable() { |
560 |
> |
public void realRun() throws InterruptedException { |
561 |
> |
threadStarted.countDown(); |
562 |
> |
await(done); |
563 |
> |
}}; |
564 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
565 |
> |
} |
566 |
> |
assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
567 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
568 |
> |
assertTrue(q.contains(tasks[tasks.length - 1])); |
569 |
> |
assertFalse(q.contains(tasks[0])); |
570 |
> |
done.countDown(); |
571 |
> |
} |
572 |
> |
} |
573 |
> |
|
574 |
> |
/** |
575 |
> |
* remove(task) removes queued task, and fails to remove active task |
576 |
> |
*/ |
577 |
> |
public void testRemove() throws InterruptedException { |
578 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
579 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
580 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
581 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
582 |
> |
final CountDownLatch done = new CountDownLatch(1); |
583 |
> |
for (int i = 0; i < tasks.length; i++) { |
584 |
> |
Runnable r = new CheckedRunnable() { |
585 |
> |
public void realRun() throws InterruptedException { |
586 |
> |
threadStarted.countDown(); |
587 |
> |
await(done); |
588 |
> |
}}; |
589 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
590 |
> |
} |
591 |
> |
assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
592 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
593 |
> |
assertFalse(p.remove((Runnable)tasks[0])); |
594 |
> |
assertTrue(q.contains((Runnable)tasks[4])); |
595 |
> |
assertTrue(q.contains((Runnable)tasks[3])); |
596 |
> |
assertTrue(p.remove((Runnable)tasks[4])); |
597 |
> |
assertFalse(p.remove((Runnable)tasks[4])); |
598 |
> |
assertFalse(q.contains((Runnable)tasks[4])); |
599 |
> |
assertTrue(q.contains((Runnable)tasks[3])); |
600 |
> |
assertTrue(p.remove((Runnable)tasks[3])); |
601 |
> |
assertFalse(q.contains((Runnable)tasks[3])); |
602 |
> |
done.countDown(); |
603 |
> |
} |
604 |
|
} |
605 |
|
|
606 |
+ |
/** |
607 |
+ |
* purge eventually removes cancelled tasks from the queue |
608 |
+ |
*/ |
609 |
+ |
public void testPurge() throws InterruptedException { |
610 |
+ |
final ScheduledFuture[] tasks = new ScheduledFuture[5]; |
611 |
+ |
final Runnable releaser = new Runnable() { public void run() { |
612 |
+ |
for (ScheduledFuture task : tasks) |
613 |
+ |
if (task != null) task.cancel(true); }}; |
614 |
+ |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
615 |
+ |
try (PoolCleaner cleaner = cleaner(p, releaser)) { |
616 |
+ |
for (int i = 0; i < tasks.length; i++) |
617 |
+ |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
618 |
+ |
LONG_DELAY_MS, MILLISECONDS); |
619 |
+ |
int max = tasks.length; |
620 |
+ |
if (tasks[4].cancel(true)) --max; |
621 |
+ |
if (tasks[3].cancel(true)) --max; |
622 |
+ |
// There must eventually be an interference-free point at |
623 |
+ |
// which purge will not fail. (At worst, when queue is empty.) |
624 |
+ |
long startTime = System.nanoTime(); |
625 |
+ |
do { |
626 |
+ |
p.purge(); |
627 |
+ |
long count = p.getTaskCount(); |
628 |
+ |
if (count == max) |
629 |
+ |
return; |
630 |
+ |
} while (millisElapsedSince(startTime) < LONG_DELAY_MS); |
631 |
+ |
fail("Purge failed to remove cancelled tasks"); |
632 |
+ |
} |
633 |
+ |
} |
634 |
|
|
635 |
+ |
/** |
636 |
+ |
* shutdownNow returns a list containing tasks that were not run, |
637 |
+ |
* and those tasks are drained from the queue |
638 |
+ |
*/ |
639 |
+ |
public void testShutdownNow() throws InterruptedException { |
640 |
+ |
final int poolSize = 2; |
641 |
+ |
final int count = 5; |
642 |
+ |
final AtomicInteger ran = new AtomicInteger(0); |
643 |
+ |
final ScheduledThreadPoolExecutor p = |
644 |
+ |
new ScheduledThreadPoolExecutor(poolSize); |
645 |
+ |
final CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
646 |
+ |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
647 |
+ |
threadsStarted.countDown(); |
648 |
+ |
try { |
649 |
+ |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
650 |
+ |
} catch (InterruptedException success) {} |
651 |
+ |
ran.getAndIncrement(); |
652 |
+ |
}}; |
653 |
+ |
for (int i = 0; i < count; i++) |
654 |
+ |
p.execute(waiter); |
655 |
+ |
await(threadsStarted); |
656 |
+ |
assertEquals(poolSize, p.getActiveCount()); |
657 |
+ |
assertEquals(0, p.getCompletedTaskCount()); |
658 |
+ |
final List<Runnable> queuedTasks; |
659 |
+ |
try { |
660 |
+ |
queuedTasks = p.shutdownNow(); |
661 |
+ |
} catch (SecurityException ok) { |
662 |
+ |
return; // Allowed in case test doesn't have privs |
663 |
+ |
} |
664 |
+ |
assertTrue(p.isShutdown()); |
665 |
+ |
assertTrue(p.getQueue().isEmpty()); |
666 |
+ |
assertEquals(count - poolSize, queuedTasks.size()); |
667 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
668 |
+ |
assertTrue(p.isTerminated()); |
669 |
+ |
assertEquals(poolSize, ran.get()); |
670 |
+ |
assertEquals(poolSize, p.getCompletedTaskCount()); |
671 |
+ |
} |
672 |
|
|
673 |
|
/** |
674 |
< |
* Test to verify getActiveCount gives correct values |
675 |
< |
*/ |
676 |
< |
public void testGetActiveCount(){ |
677 |
< |
ScheduledExecutor two = new ScheduledExecutor(2); |
674 |
> |
* shutdownNow returns a list containing tasks that were not run, |
675 |
> |
* and those tasks are drained from the queue |
676 |
> |
*/ |
677 |
> |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
678 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
679 |
> |
List<ScheduledFuture> tasks = new ArrayList<>(); |
680 |
> |
for (int i = 0; i < 3; i++) { |
681 |
> |
Runnable r = new NoOpRunnable(); |
682 |
> |
tasks.add(p.schedule(r, 9, SECONDS)); |
683 |
> |
tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
684 |
> |
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
685 |
> |
} |
686 |
> |
if (testImplementationDetails) |
687 |
> |
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
688 |
> |
final List<Runnable> queuedTasks; |
689 |
|
try { |
690 |
< |
assertEquals(0, two.getActiveCount()); |
691 |
< |
two.execute(newRunnable()); |
692 |
< |
try{ |
693 |
< |
Thread.sleep(SHORT_DELAY_MS/2); |
694 |
< |
} catch(Exception e){ |
695 |
< |
fail("unexpected exception"); |
690 |
> |
queuedTasks = p.shutdownNow(); |
691 |
> |
} catch (SecurityException ok) { |
692 |
> |
return; // Allowed in case test doesn't have privs |
693 |
> |
} |
694 |
> |
assertTrue(p.isShutdown()); |
695 |
> |
assertTrue(p.getQueue().isEmpty()); |
696 |
> |
if (testImplementationDetails) |
697 |
> |
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
698 |
> |
assertEquals(tasks.size(), queuedTasks.size()); |
699 |
> |
for (ScheduledFuture task : tasks) { |
700 |
> |
assertFalse(task.isDone()); |
701 |
> |
assertFalse(task.isCancelled()); |
702 |
> |
} |
703 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
704 |
> |
assertTrue(p.isTerminated()); |
705 |
> |
} |
706 |
> |
|
707 |
> |
/** |
708 |
> |
* By default, periodic tasks are cancelled at shutdown. |
709 |
> |
* By default, delayed tasks keep running after shutdown. |
710 |
> |
* Check that changing the default values work: |
711 |
> |
* - setExecuteExistingDelayedTasksAfterShutdownPolicy |
712 |
> |
* - setContinueExistingPeriodicTasksAfterShutdownPolicy |
713 |
> |
*/ |
714 |
> |
public void testShutdown_cancellation() throws Exception { |
715 |
> |
Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE }; |
716 |
> |
for (Boolean policy : allBooleans) |
717 |
> |
{ |
718 |
> |
final int poolSize = 2; |
719 |
> |
final ScheduledThreadPoolExecutor p |
720 |
> |
= new ScheduledThreadPoolExecutor(poolSize); |
721 |
> |
final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE); |
722 |
> |
final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE); |
723 |
> |
final boolean effectiveRemovePolicy = (policy == Boolean.TRUE); |
724 |
> |
if (policy != null) { |
725 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy); |
726 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy); |
727 |
> |
p.setRemoveOnCancelPolicy(policy); |
728 |
> |
} |
729 |
> |
assertEquals(effectiveDelayedPolicy, |
730 |
> |
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
731 |
> |
assertEquals(effectivePeriodicPolicy, |
732 |
> |
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
733 |
> |
assertEquals(effectiveRemovePolicy, |
734 |
> |
p.getRemoveOnCancelPolicy()); |
735 |
> |
// Strategy: Wedge the pool with poolSize "blocker" threads |
736 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
737 |
> |
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
738 |
> |
final CountDownLatch unblock = new CountDownLatch(1); |
739 |
> |
final CountDownLatch periodicLatch1 = new CountDownLatch(2); |
740 |
> |
final CountDownLatch periodicLatch2 = new CountDownLatch(2); |
741 |
> |
Runnable task = new CheckedRunnable() { public void realRun() |
742 |
> |
throws InterruptedException { |
743 |
> |
poolBlocked.countDown(); |
744 |
> |
assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS)); |
745 |
> |
ran.getAndIncrement(); |
746 |
> |
}}; |
747 |
> |
List<Future<?>> blockers = new ArrayList<>(); |
748 |
> |
List<Future<?>> periodics = new ArrayList<>(); |
749 |
> |
List<Future<?>> delayeds = new ArrayList<>(); |
750 |
> |
for (int i = 0; i < poolSize; i++) |
751 |
> |
blockers.add(p.submit(task)); |
752 |
> |
assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS)); |
753 |
> |
|
754 |
> |
periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1), |
755 |
> |
1, 1, MILLISECONDS)); |
756 |
> |
periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2), |
757 |
> |
1, 1, MILLISECONDS)); |
758 |
> |
delayeds.add(p.schedule(task, 1, MILLISECONDS)); |
759 |
> |
|
760 |
> |
assertTrue(p.getQueue().containsAll(periodics)); |
761 |
> |
assertTrue(p.getQueue().containsAll(delayeds)); |
762 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
763 |
> |
assertTrue(p.isShutdown()); |
764 |
> |
assertFalse(p.isTerminated()); |
765 |
> |
for (Future<?> periodic : periodics) { |
766 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled()); |
767 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isDone()); |
768 |
> |
} |
769 |
> |
for (Future<?> delayed : delayeds) { |
770 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled()); |
771 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isDone()); |
772 |
> |
} |
773 |
> |
if (testImplementationDetails) { |
774 |
> |
assertEquals(effectivePeriodicPolicy, |
775 |
> |
p.getQueue().containsAll(periodics)); |
776 |
> |
assertEquals(effectiveDelayedPolicy, |
777 |
> |
p.getQueue().containsAll(delayeds)); |
778 |
> |
} |
779 |
> |
// Release all pool threads |
780 |
> |
unblock.countDown(); |
781 |
> |
|
782 |
> |
for (Future<?> delayed : delayeds) { |
783 |
> |
if (effectiveDelayedPolicy) { |
784 |
> |
assertNull(delayed.get()); |
785 |
|
} |
786 |
< |
assertEquals(1, two.getActiveCount()); |
787 |
< |
} finally { |
788 |
< |
two.shutdown(); |
786 |
> |
} |
787 |
> |
if (effectivePeriodicPolicy) { |
788 |
> |
assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS)); |
789 |
> |
assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS)); |
790 |
> |
for (Future<?> periodic : periodics) { |
791 |
> |
assertTrue(periodic.cancel(false)); |
792 |
> |
assertTrue(periodic.isCancelled()); |
793 |
> |
assertTrue(periodic.isDone()); |
794 |
> |
} |
795 |
> |
} |
796 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
797 |
> |
assertTrue(p.isTerminated()); |
798 |
> |
assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get()); |
799 |
> |
}} |
800 |
> |
|
801 |
> |
/** |
802 |
> |
* completed submit of callable returns result |
803 |
> |
*/ |
804 |
> |
public void testSubmitCallable() throws Exception { |
805 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
806 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
807 |
> |
Future<String> future = e.submit(new StringTask()); |
808 |
> |
String result = future.get(); |
809 |
> |
assertSame(TEST_STRING, result); |
810 |
|
} |
811 |
|
} |
812 |
< |
|
812 |
> |
|
813 |
|
/** |
814 |
< |
* Test to verify getCompleteTaskCount gives correct values |
814 |
> |
* completed submit of runnable returns successfully |
815 |
|
*/ |
816 |
< |
public void testGetCompletedTaskCount(){ |
817 |
< |
ScheduledExecutor two = new ScheduledExecutor(2); |
818 |
< |
try { |
819 |
< |
assertEquals(0, two.getCompletedTaskCount()); |
820 |
< |
two.execute(newRunnable()); |
821 |
< |
try{ |
315 |
< |
Thread.sleep(MEDIUM_DELAY_MS/2); |
316 |
< |
} catch(Exception e){ |
317 |
< |
fail("unexpected exception"); |
318 |
< |
} |
319 |
< |
assertEquals(1, two.getCompletedTaskCount()); |
320 |
< |
} finally { |
321 |
< |
two.shutdown(); |
816 |
> |
public void testSubmitRunnable() throws Exception { |
817 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
818 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
819 |
> |
Future<?> future = e.submit(new NoOpRunnable()); |
820 |
> |
future.get(); |
821 |
> |
assertTrue(future.isDone()); |
822 |
|
} |
823 |
|
} |
824 |
< |
|
824 |
> |
|
825 |
|
/** |
826 |
< |
* Test to verify getCorePoolSize gives correct values |
826 |
> |
* completed submit of (runnable, result) returns result |
827 |
|
*/ |
828 |
< |
public void testGetCorePoolSize(){ |
829 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
830 |
< |
try { |
831 |
< |
assertEquals(1, one.getCorePoolSize()); |
832 |
< |
} finally { |
833 |
< |
one.shutdown(); |
828 |
> |
public void testSubmitRunnable2() throws Exception { |
829 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
830 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
831 |
> |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
832 |
> |
String result = future.get(); |
833 |
> |
assertSame(TEST_STRING, result); |
834 |
|
} |
835 |
|
} |
836 |
< |
|
836 |
> |
|
837 |
|
/** |
838 |
< |
* Test to verify getLargestPoolSize gives correct values |
838 |
> |
* invokeAny(null) throws NPE |
839 |
|
*/ |
840 |
< |
public void testGetLargestPoolSize(){ |
841 |
< |
ScheduledExecutor two = new ScheduledExecutor(2); |
842 |
< |
try { |
843 |
< |
assertEquals(0, two.getLargestPoolSize()); |
844 |
< |
two.execute(newRunnable()); |
845 |
< |
two.execute(newRunnable()); |
846 |
< |
try{ |
847 |
< |
Thread.sleep(SHORT_DELAY_MS/2); |
848 |
< |
} catch(Exception e){ |
849 |
< |
fail("unexpected exception"); |
840 |
> |
public void testInvokeAny1() throws Exception { |
841 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
842 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
843 |
> |
try { |
844 |
> |
e.invokeAny(null); |
845 |
> |
shouldThrow(); |
846 |
> |
} catch (NullPointerException success) {} |
847 |
> |
} |
848 |
> |
} |
849 |
> |
|
850 |
> |
/** |
851 |
> |
* invokeAny(empty collection) throws IAE |
852 |
> |
*/ |
853 |
> |
public void testInvokeAny2() throws Exception { |
854 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
855 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
856 |
> |
try { |
857 |
> |
e.invokeAny(new ArrayList<Callable<String>>()); |
858 |
> |
shouldThrow(); |
859 |
> |
} catch (IllegalArgumentException success) {} |
860 |
> |
} |
861 |
> |
} |
862 |
> |
|
863 |
> |
/** |
864 |
> |
* invokeAny(c) throws NPE if c has null elements |
865 |
> |
*/ |
866 |
> |
public void testInvokeAny3() throws Exception { |
867 |
> |
CountDownLatch latch = new CountDownLatch(1); |
868 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
869 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
870 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
871 |
> |
l.add(latchAwaitingStringTask(latch)); |
872 |
> |
l.add(null); |
873 |
> |
try { |
874 |
> |
e.invokeAny(l); |
875 |
> |
shouldThrow(); |
876 |
> |
} catch (NullPointerException success) {} |
877 |
> |
latch.countDown(); |
878 |
> |
} |
879 |
> |
} |
880 |
> |
|
881 |
> |
/** |
882 |
> |
* invokeAny(c) throws ExecutionException if no task completes |
883 |
> |
*/ |
884 |
> |
public void testInvokeAny4() throws Exception { |
885 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
886 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
887 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
888 |
> |
l.add(new NPETask()); |
889 |
> |
try { |
890 |
> |
e.invokeAny(l); |
891 |
> |
shouldThrow(); |
892 |
> |
} catch (ExecutionException success) { |
893 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
894 |
|
} |
351 |
– |
assertEquals(2, two.getLargestPoolSize()); |
352 |
– |
} finally { |
353 |
– |
two.shutdown(); |
895 |
|
} |
896 |
|
} |
897 |
< |
|
897 |
> |
|
898 |
|
/** |
899 |
< |
* Test to verify getPoolSize gives correct values |
899 |
> |
* invokeAny(c) returns result of some task |
900 |
|
*/ |
901 |
< |
public void testGetPoolSize(){ |
902 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
903 |
< |
try { |
904 |
< |
assertEquals(0, one.getPoolSize()); |
905 |
< |
one.execute(newRunnable()); |
906 |
< |
assertEquals(1, one.getPoolSize()); |
907 |
< |
} finally { |
908 |
< |
one.shutdown(); |
901 |
> |
public void testInvokeAny5() throws Exception { |
902 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
903 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
904 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
905 |
> |
l.add(new StringTask()); |
906 |
> |
l.add(new StringTask()); |
907 |
> |
String result = e.invokeAny(l); |
908 |
> |
assertSame(TEST_STRING, result); |
909 |
|
} |
910 |
|
} |
911 |
< |
|
911 |
> |
|
912 |
|
/** |
913 |
< |
* Test to verify getTaskCount gives correct values |
913 |
> |
* invokeAll(null) throws NPE |
914 |
|
*/ |
915 |
< |
public void testGetTaskCount(){ |
916 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
917 |
< |
try { |
918 |
< |
assertEquals(0, one.getTaskCount()); |
919 |
< |
for(int i = 0; i < 5; i++) |
920 |
< |
one.execute(newRunnable()); |
921 |
< |
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()); |
915 |
> |
public void testInvokeAll1() throws Exception { |
916 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
917 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
918 |
> |
try { |
919 |
> |
e.invokeAll(null); |
920 |
> |
shouldThrow(); |
921 |
> |
} catch (NullPointerException success) {} |
922 |
|
} |
923 |
< |
finally { |
924 |
< |
one.shutdown(); |
923 |
> |
} |
924 |
> |
|
925 |
> |
/** |
926 |
> |
* invokeAll(empty collection) returns empty collection |
927 |
> |
*/ |
928 |
> |
public void testInvokeAll2() throws Exception { |
929 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
930 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
931 |
> |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
932 |
> |
assertTrue(r.isEmpty()); |
933 |
|
} |
403 |
– |
assertTrue(one.isShutdown()); |
934 |
|
} |
935 |
|
|
406 |
– |
|
936 |
|
/** |
937 |
< |
* Test to verify isTerminated gives correct values |
409 |
< |
* Makes sure termination does not take an innapropriate |
410 |
< |
* amount of time |
937 |
> |
* invokeAll(c) throws NPE if c has null elements |
938 |
|
*/ |
939 |
< |
public void testIsTerminated(){ |
940 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
941 |
< |
try { |
942 |
< |
one.execute(newRunnable()); |
943 |
< |
} finally { |
944 |
< |
one.shutdown(); |
945 |
< |
} |
946 |
< |
boolean flag = false; |
947 |
< |
try{ |
948 |
< |
flag = one.awaitTermination(10, TimeUnit.SECONDS); |
949 |
< |
} catch(Exception e){ |
423 |
< |
fail("unexpected exception"); |
424 |
< |
} |
425 |
< |
assertTrue(one.isTerminated()); |
426 |
< |
if(!flag) |
427 |
< |
fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe"); |
939 |
> |
public void testInvokeAll3() throws Exception { |
940 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
941 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
942 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
943 |
> |
l.add(new StringTask()); |
944 |
> |
l.add(null); |
945 |
> |
try { |
946 |
> |
e.invokeAll(l); |
947 |
> |
shouldThrow(); |
948 |
> |
} catch (NullPointerException success) {} |
949 |
> |
} |
950 |
|
} |
951 |
|
|
952 |
|
/** |
953 |
< |
* Test to verify that purge correctly removes cancelled tasks |
432 |
< |
* from the queue |
953 |
> |
* get of invokeAll(c) throws exception on failed task |
954 |
|
*/ |
955 |
< |
public void testPurge(){ |
956 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
957 |
< |
try { |
958 |
< |
ScheduledCancellable[] tasks = new ScheduledCancellable[5]; |
959 |
< |
for(int i = 0; i < 5; i++){ |
960 |
< |
tasks[i] = one.schedule(newRunnable(), 1, TimeUnit.MILLISECONDS); |
955 |
> |
public void testInvokeAll4() throws Exception { |
956 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
957 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
958 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
959 |
> |
l.add(new NPETask()); |
960 |
> |
List<Future<String>> futures = e.invokeAll(l); |
961 |
> |
assertEquals(1, futures.size()); |
962 |
> |
try { |
963 |
> |
futures.get(0).get(); |
964 |
> |
shouldThrow(); |
965 |
> |
} catch (ExecutionException success) { |
966 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
967 |
|
} |
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(); |
968 |
|
} |
969 |
|
} |
970 |
|
|
971 |
|
/** |
972 |
< |
* Test to verify shutDownNow returns a list |
454 |
< |
* containing the correct number of elements |
972 |
> |
* invokeAll(c) returns results of all completed tasks |
973 |
|
*/ |
974 |
< |
public void testShutDownNow(){ |
975 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
976 |
< |
for(int i = 0; i < 5; i++) |
977 |
< |
one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
978 |
< |
List l = one.shutdownNow(); |
979 |
< |
assertTrue(one.isShutdown()); |
980 |
< |
assertTrue(l.size() > 0 && l.size() <= 5); |
974 |
> |
public void testInvokeAll5() throws Exception { |
975 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
976 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
977 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
978 |
> |
l.add(new StringTask()); |
979 |
> |
l.add(new StringTask()); |
980 |
> |
List<Future<String>> futures = e.invokeAll(l); |
981 |
> |
assertEquals(2, futures.size()); |
982 |
> |
for (Future<String> future : futures) |
983 |
> |
assertSame(TEST_STRING, future.get()); |
984 |
> |
} |
985 |
|
} |
986 |
|
|
987 |
< |
public void testShutDown1(){ |
988 |
< |
try { |
989 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
990 |
< |
assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
991 |
< |
assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
987 |
> |
/** |
988 |
> |
* timed invokeAny(null) throws NPE |
989 |
> |
*/ |
990 |
> |
public void testTimedInvokeAny1() throws Exception { |
991 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
992 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
993 |
> |
try { |
994 |
> |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
995 |
> |
shouldThrow(); |
996 |
> |
} catch (NullPointerException success) {} |
997 |
> |
} |
998 |
> |
} |
999 |
|
|
1000 |
< |
ScheduledCancellable[] tasks = new ScheduledCancellable[5]; |
1001 |
< |
for(int i = 0; i < 5; i++) |
1002 |
< |
tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS); |
1003 |
< |
one.shutdown(); |
1004 |
< |
BlockingQueue q = one.getQueue(); |
1005 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
1006 |
< |
ScheduledCancellable t = (ScheduledCancellable)it.next(); |
1007 |
< |
assertFalse(t.isCancelled()); |
1008 |
< |
} |
1009 |
< |
assertTrue(one.isShutdown()); |
1010 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1011 |
< |
for (int i = 0; i < 5; ++i) { |
483 |
< |
assertTrue(tasks[i].isDone()); |
484 |
< |
assertFalse(tasks[i].isCancelled()); |
485 |
< |
} |
486 |
< |
|
1000 |
> |
/** |
1001 |
> |
* timed invokeAny(,,null) throws NPE |
1002 |
> |
*/ |
1003 |
> |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1004 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1005 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1006 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1007 |
> |
l.add(new StringTask()); |
1008 |
> |
try { |
1009 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1010 |
> |
shouldThrow(); |
1011 |
> |
} catch (NullPointerException success) {} |
1012 |
|
} |
1013 |
< |
catch(Exception ex) { |
1014 |
< |
fail("unexpected exception"); |
1013 |
> |
} |
1014 |
> |
|
1015 |
> |
/** |
1016 |
> |
* timed invokeAny(empty collection) throws IAE |
1017 |
> |
*/ |
1018 |
> |
public void testTimedInvokeAny2() throws Exception { |
1019 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1020 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1021 |
> |
try { |
1022 |
> |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1023 |
> |
shouldThrow(); |
1024 |
> |
} catch (IllegalArgumentException success) {} |
1025 |
|
} |
1026 |
|
} |
1027 |
|
|
1028 |
+ |
/** |
1029 |
+ |
* timed invokeAny(c) throws NPE if c has null elements |
1030 |
+ |
*/ |
1031 |
+ |
public void testTimedInvokeAny3() throws Exception { |
1032 |
+ |
CountDownLatch latch = new CountDownLatch(1); |
1033 |
+ |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1034 |
+ |
try (PoolCleaner cleaner = cleaner(e)) { |
1035 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1036 |
+ |
l.add(latchAwaitingStringTask(latch)); |
1037 |
+ |
l.add(null); |
1038 |
+ |
try { |
1039 |
+ |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1040 |
+ |
shouldThrow(); |
1041 |
+ |
} catch (NullPointerException success) {} |
1042 |
+ |
latch.countDown(); |
1043 |
+ |
} |
1044 |
+ |
} |
1045 |
|
|
1046 |
< |
public void testShutDown2(){ |
1047 |
< |
try { |
1048 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
1049 |
< |
one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
1050 |
< |
ScheduledCancellable[] tasks = new ScheduledCancellable[5]; |
1051 |
< |
for(int i = 0; i < 5; i++) |
1052 |
< |
tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS); |
1053 |
< |
one.shutdown(); |
1054 |
< |
assertTrue(one.isShutdown()); |
1055 |
< |
BlockingQueue q = one.getQueue(); |
1056 |
< |
assertTrue(q.isEmpty()); |
1057 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1058 |
< |
assertTrue(one.isTerminated()); |
1046 |
> |
/** |
1047 |
> |
* timed invokeAny(c) throws ExecutionException if no task completes |
1048 |
> |
*/ |
1049 |
> |
public void testTimedInvokeAny4() throws Exception { |
1050 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1051 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1052 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1053 |
> |
l.add(new NPETask()); |
1054 |
> |
try { |
1055 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1056 |
> |
shouldThrow(); |
1057 |
> |
} catch (ExecutionException success) { |
1058 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1059 |
> |
} |
1060 |
|
} |
1061 |
< |
catch(Exception ex) { |
1062 |
< |
fail("unexpected exception"); |
1061 |
> |
} |
1062 |
> |
|
1063 |
> |
/** |
1064 |
> |
* timed invokeAny(c) returns result of some task |
1065 |
> |
*/ |
1066 |
> |
public void testTimedInvokeAny5() throws Exception { |
1067 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1068 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1069 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1070 |
> |
l.add(new StringTask()); |
1071 |
> |
l.add(new StringTask()); |
1072 |
> |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1073 |
> |
assertSame(TEST_STRING, result); |
1074 |
|
} |
1075 |
|
} |
1076 |
|
|
1077 |
+ |
/** |
1078 |
+ |
* timed invokeAll(null) throws NPE |
1079 |
+ |
*/ |
1080 |
+ |
public void testTimedInvokeAll1() throws Exception { |
1081 |
+ |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1082 |
+ |
try (PoolCleaner cleaner = cleaner(e)) { |
1083 |
+ |
try { |
1084 |
+ |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1085 |
+ |
shouldThrow(); |
1086 |
+ |
} catch (NullPointerException success) {} |
1087 |
+ |
} |
1088 |
+ |
} |
1089 |
|
|
1090 |
< |
public void testShutDown3(){ |
1091 |
< |
try { |
1092 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
1093 |
< |
one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
1094 |
< |
ScheduledCancellable task = |
1095 |
< |
one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS); |
1096 |
< |
one.shutdown(); |
1097 |
< |
assertTrue(one.isShutdown()); |
1098 |
< |
BlockingQueue q = one.getQueue(); |
1099 |
< |
assertTrue(q.isEmpty()); |
1100 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1101 |
< |
assertTrue(one.isTerminated()); |
1090 |
> |
/** |
1091 |
> |
* timed invokeAll(,,null) throws NPE |
1092 |
> |
*/ |
1093 |
> |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1094 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1095 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1096 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1097 |
> |
l.add(new StringTask()); |
1098 |
> |
try { |
1099 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1100 |
> |
shouldThrow(); |
1101 |
> |
} catch (NullPointerException success) {} |
1102 |
|
} |
1103 |
< |
catch(Exception ex) { |
1104 |
< |
fail("unexpected exception"); |
1103 |
> |
} |
1104 |
> |
|
1105 |
> |
/** |
1106 |
> |
* timed invokeAll(empty collection) returns empty collection |
1107 |
> |
*/ |
1108 |
> |
public void testTimedInvokeAll2() throws Exception { |
1109 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1110 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1111 |
> |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), |
1112 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
1113 |
> |
assertTrue(r.isEmpty()); |
1114 |
|
} |
1115 |
|
} |
1116 |
|
|
1117 |
< |
public void testShutDown4(){ |
1118 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
1119 |
< |
try { |
1120 |
< |
one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
1121 |
< |
ScheduledCancellable task = |
1122 |
< |
one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS); |
1123 |
< |
assertFalse(task.isCancelled()); |
1124 |
< |
one.shutdown(); |
1125 |
< |
assertFalse(task.isCancelled()); |
1126 |
< |
assertFalse(one.isTerminated()); |
1127 |
< |
assertTrue(one.isShutdown()); |
1128 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1129 |
< |
assertFalse(task.isCancelled()); |
545 |
< |
task.cancel(true); |
546 |
< |
assertTrue(task.isCancelled()); |
547 |
< |
Thread.sleep(SHORT_DELAY_MS); |
548 |
< |
assertTrue(one.isTerminated()); |
1117 |
> |
/** |
1118 |
> |
* timed invokeAll(c) throws NPE if c has null elements |
1119 |
> |
*/ |
1120 |
> |
public void testTimedInvokeAll3() throws Exception { |
1121 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1122 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1123 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1124 |
> |
l.add(new StringTask()); |
1125 |
> |
l.add(null); |
1126 |
> |
try { |
1127 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1128 |
> |
shouldThrow(); |
1129 |
> |
} catch (NullPointerException success) {} |
1130 |
|
} |
1131 |
< |
catch(Exception ex) { |
1132 |
< |
fail("unexpected exception"); |
1131 |
> |
} |
1132 |
> |
|
1133 |
> |
/** |
1134 |
> |
* get of element of invokeAll(c) throws exception on failed task |
1135 |
> |
*/ |
1136 |
> |
public void testTimedInvokeAll4() throws Exception { |
1137 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1138 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1139 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1140 |
> |
l.add(new NPETask()); |
1141 |
> |
List<Future<String>> futures = |
1142 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1143 |
> |
assertEquals(1, futures.size()); |
1144 |
> |
try { |
1145 |
> |
futures.get(0).get(); |
1146 |
> |
shouldThrow(); |
1147 |
> |
} catch (ExecutionException success) { |
1148 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1149 |
> |
} |
1150 |
|
} |
1151 |
< |
finally { |
1152 |
< |
one.shutdownNow(); |
1151 |
> |
} |
1152 |
> |
|
1153 |
> |
/** |
1154 |
> |
* timed invokeAll(c) returns results of all completed tasks |
1155 |
> |
*/ |
1156 |
> |
public void testTimedInvokeAll5() throws Exception { |
1157 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1158 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1159 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1160 |
> |
l.add(new StringTask()); |
1161 |
> |
l.add(new StringTask()); |
1162 |
> |
List<Future<String>> futures = |
1163 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1164 |
> |
assertEquals(2, futures.size()); |
1165 |
> |
for (Future<String> future : futures) |
1166 |
> |
assertSame(TEST_STRING, future.get()); |
1167 |
> |
} |
1168 |
> |
} |
1169 |
> |
|
1170 |
> |
/** |
1171 |
> |
* timed invokeAll(c) cancels tasks not completed by timeout |
1172 |
> |
*/ |
1173 |
> |
public void testTimedInvokeAll6() throws Exception { |
1174 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1175 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1176 |
> |
for (long timeout = timeoutMillis();;) { |
1177 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1178 |
> |
tasks.add(new StringTask("0")); |
1179 |
> |
tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING)); |
1180 |
> |
tasks.add(new StringTask("2")); |
1181 |
> |
long startTime = System.nanoTime(); |
1182 |
> |
List<Future<String>> futures = |
1183 |
> |
e.invokeAll(tasks, timeout, MILLISECONDS); |
1184 |
> |
assertEquals(tasks.size(), futures.size()); |
1185 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1186 |
> |
for (Future future : futures) |
1187 |
> |
assertTrue(future.isDone()); |
1188 |
> |
assertTrue(futures.get(1).isCancelled()); |
1189 |
> |
try { |
1190 |
> |
assertEquals("0", futures.get(0).get()); |
1191 |
> |
assertEquals("2", futures.get(2).get()); |
1192 |
> |
break; |
1193 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1194 |
> |
timeout *= 2; |
1195 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1196 |
> |
fail("expected exactly one task to be cancelled"); |
1197 |
> |
} |
1198 |
> |
} |
1199 |
|
} |
1200 |
|
} |
1201 |
|
|