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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.List; |
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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.CountDownLatch; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.ForkJoinPool; |
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import java.util.concurrent.ForkJoinTask; |
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import java.util.concurrent.ForkJoinWorkerThread; |
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import java.util.concurrent.RecursiveTask; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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import java.util.concurrent.locks.ReentrantLock; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.util.concurrent.locks.*; |
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import java.security.*; |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
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import java.security.PrivilegedAction; |
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import java.security.PrivilegedExceptionAction; |
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|
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public class ForkJoinPoolTest 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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junit.textui.TestRunner.run(suite()); |
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} |
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|
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public static Test suite() { |
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return new TestSuite(ForkJoinPoolTest.class); |
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} |
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|
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/** |
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/* |
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* Testing coverage notes: |
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* |
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* 1. shutdown and related methods are tested via super.joinPool. |
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// Some classes to test extension and factory methods |
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|
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static class MyHandler implements Thread.UncaughtExceptionHandler { |
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int catches = 0; |
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volatile int catches = 0; |
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public void uncaughtException(Thread t, Throwable e) { |
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++catches; |
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} |
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// to test handlers |
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static class FailingFJWSubclass extends ForkJoinWorkerThread { |
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public FailingFJWSubclass(ForkJoinPool p) { super(p) ; } |
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protected void onStart() { throw new Error(); } |
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protected void onStart() { super.onStart(); throw new Error(); } |
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} |
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|
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static class FailingThreadFactory |
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implements ForkJoinPool.ForkJoinWorkerThreadFactory { |
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int calls = 0; |
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volatile int calls = 0; |
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public ForkJoinWorkerThread newThread(ForkJoinPool p) { |
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if (++calls > 1) return null; |
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return new FailingFJWSubclass(p); |
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static final class FibTask extends RecursiveTask<Integer> { |
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final int number; |
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FibTask(int n) { number = n; } |
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public Integer compute() { |
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protected Integer compute() { |
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int n = number; |
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if (n <= 1) |
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return n; |
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this.locker = locker; |
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this.lock = lock; |
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} |
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public Integer compute() { |
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protected Integer compute() { |
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int n; |
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LockingFibTask f1 = null; |
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LockingFibTask f2 = null; |
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* tasks, and quiescent running state. |
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*/ |
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public void testDefaultInitialState() { |
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ForkJoinPool p = null; |
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ForkJoinPool p = new ForkJoinPool(1); |
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try { |
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p = new ForkJoinPool(1); |
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assertTrue(p.getFactory() == |
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ForkJoinPool.defaultForkJoinWorkerThreadFactory); |
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assertTrue(p.isQuiescent()); |
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assertTrue(p.getMaintainsParallelism()); |
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assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
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p.getFactory()); |
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assertFalse(p.getAsyncMode()); |
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assertTrue(p.getActiveThreadCount() == 0); |
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assertTrue(p.getStealCount() == 0); |
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assertTrue(p.getQueuedTaskCount() == 0); |
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assertTrue(p.getQueuedSubmissionCount() == 0); |
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assertEquals(0, p.getActiveThreadCount()); |
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assertEquals(0, p.getStealCount()); |
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assertEquals(0, p.getQueuedTaskCount()); |
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assertEquals(0, p.getQueuedSubmissionCount()); |
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assertFalse(p.hasQueuedSubmissions()); |
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assertFalse(p.isShutdown()); |
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assertFalse(p.isTerminating()); |
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*/ |
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public void testConstructor2() { |
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try { |
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new ForkJoinPool(1, null); |
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new ForkJoinPool(1, null, null, false); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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|
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|
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/** |
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* getParallelism returns size set in constructor |
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*/ |
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public void testGetParallelism() { |
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ForkJoinPool p = null; |
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try { |
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p = new ForkJoinPool(1); |
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assertTrue(p.getParallelism() == 1); |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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/** |
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* setParallelism changes reported parallelism level. |
202 |
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*/ |
203 |
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public void testSetParallelism() { |
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ForkJoinPool p = null; |
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try { |
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p = new ForkJoinPool(1); |
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assertTrue(p.getParallelism() == 1); |
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p.setParallelism(2); |
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assertTrue(p.getParallelism() == 2); |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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/** |
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* setParallelism with argument <= 0 throws exception |
217 |
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*/ |
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public void testSetParallelism2() { |
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ForkJoinPool p = null; |
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ForkJoinPool p = new ForkJoinPool(1); |
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try { |
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p = new ForkJoinPool(1); |
222 |
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assertTrue(p.getParallelism() == 1); |
223 |
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p.setParallelism(-2); |
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shouldThrow(); |
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} catch (IllegalArgumentException success) { |
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assertEquals(1, p.getParallelism()); |
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} finally { |
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joinPool(p); |
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} |
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* getPoolSize returns number of started workers. |
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*/ |
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public void testGetPoolSize() { |
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ForkJoinPool p = null; |
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ForkJoinPool p = new ForkJoinPool(1); |
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try { |
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p = new ForkJoinPool(1); |
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assertTrue(p.getPoolSize() == 0); |
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assertEquals(0, p.getActiveThreadCount()); |
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Future<String> future = p.submit(new StringTask()); |
218 |
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assertTrue(p.getPoolSize() == 1); |
241 |
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|
242 |
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} finally { |
243 |
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joinPool(p); |
244 |
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} |
245 |
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} |
246 |
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|
247 |
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/** |
248 |
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* setMaximumPoolSize changes size reported by getMaximumPoolSize. |
249 |
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*/ |
250 |
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public void testSetMaximumPoolSize() { |
251 |
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ForkJoinPool p = null; |
252 |
< |
try { |
253 |
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p = new ForkJoinPool(1); |
254 |
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p.setMaximumPoolSize(2); |
255 |
< |
assertTrue(p.getMaximumPoolSize() == 2); |
256 |
< |
} finally { |
257 |
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joinPool(p); |
258 |
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} |
259 |
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} |
260 |
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|
261 |
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/** |
262 |
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* setMaximumPoolSize with argument <= 0 throws exception |
263 |
< |
*/ |
264 |
< |
public void testSetMaximumPoolSize2() { |
265 |
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ForkJoinPool p = null; |
266 |
< |
try { |
267 |
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p = new ForkJoinPool(1); |
268 |
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p.setMaximumPoolSize(-2); |
269 |
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shouldThrow(); |
270 |
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} catch (IllegalArgumentException success) { |
218 |
> |
assertEquals(1, p.getPoolSize()); |
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} finally { |
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joinPool(p); |
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} |
222 |
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} |
223 |
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|
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/** |
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* setMaintainsParallelism changes policy reported by |
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* getMaintainsParallelism. |
225 |
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* awaitTermination on a non-shutdown pool times out |
226 |
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*/ |
227 |
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public void testSetMaintainsParallelism() { |
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< |
ForkJoinPool p = null; |
229 |
< |
try { |
230 |
< |
p = new ForkJoinPool(1); |
231 |
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p.setMaintainsParallelism(false); |
232 |
< |
assertFalse(p.getMaintainsParallelism()); |
233 |
< |
} finally { |
234 |
< |
joinPool(p); |
235 |
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} |
236 |
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} |
237 |
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|
238 |
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/** |
239 |
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* setAsyncMode changes policy reported by |
240 |
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* getAsyncMode. |
241 |
< |
*/ |
242 |
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public void testSetAsyncMode() { |
243 |
< |
ForkJoinPool p = null; |
244 |
< |
try { |
245 |
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p = new ForkJoinPool(1); |
246 |
< |
p.setAsyncMode(true); |
247 |
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assertTrue(p.getAsyncMode()); |
248 |
< |
} finally { |
302 |
< |
joinPool(p); |
303 |
< |
} |
227 |
> |
public void testAwaitTermination_timesOut() throws InterruptedException { |
228 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
229 |
> |
assertFalse(p.isTerminated()); |
230 |
> |
assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS)); |
231 |
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assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS)); |
232 |
> |
assertFalse(p.awaitTermination(-1L, NANOSECONDS)); |
233 |
> |
assertFalse(p.awaitTermination(-1L, MILLISECONDS)); |
234 |
> |
assertFalse(p.awaitTermination(0L, NANOSECONDS)); |
235 |
> |
assertFalse(p.awaitTermination(0L, MILLISECONDS)); |
236 |
> |
long timeoutNanos = 999999L; |
237 |
> |
long startTime = System.nanoTime(); |
238 |
> |
assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS)); |
239 |
> |
assertTrue(System.nanoTime() - startTime >= timeoutNanos); |
240 |
> |
assertFalse(p.isTerminated()); |
241 |
> |
startTime = System.nanoTime(); |
242 |
> |
long timeoutMillis = timeoutMillis(); |
243 |
> |
assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS)); |
244 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
245 |
> |
assertFalse(p.isTerminated()); |
246 |
> |
p.shutdown(); |
247 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
248 |
> |
assertTrue(p.isTerminated()); |
249 |
|
} |
250 |
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|
251 |
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/** |
255 |
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* performs its defined action |
256 |
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*/ |
257 |
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public void testSetUncaughtExceptionHandler() throws InterruptedException { |
258 |
< |
ForkJoinPool p = null; |
259 |
< |
try { |
260 |
< |
p = new ForkJoinPool(1, new FailingThreadFactory()); |
261 |
< |
MyHandler eh = new MyHandler(); |
262 |
< |
p.setUncaughtExceptionHandler(eh); |
263 |
< |
assertEquals(eh, p.getUncaughtExceptionHandler()); |
264 |
< |
p.execute(new FailingTask()); |
265 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
266 |
< |
assertTrue(eh.catches > 0); |
258 |
> |
final CountDownLatch uehInvoked = new CountDownLatch(1); |
259 |
> |
final Thread.UncaughtExceptionHandler eh = |
260 |
> |
new Thread.UncaughtExceptionHandler() { |
261 |
> |
public void uncaughtException(Thread t, Throwable e) { |
262 |
> |
uehInvoked.countDown(); |
263 |
> |
}}; |
264 |
> |
ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), |
265 |
> |
eh, false); |
266 |
> |
try { |
267 |
> |
assertSame(eh, p.getUncaughtExceptionHandler()); |
268 |
> |
try { |
269 |
> |
p.execute(new FibTask(8)); |
270 |
> |
assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
271 |
> |
} catch (RejectedExecutionException ok) { |
272 |
> |
} |
273 |
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} finally { |
274 |
+ |
p.shutdownNow(); // failure might have prevented processing task |
275 |
|
joinPool(p); |
276 |
|
} |
277 |
|
} |
278 |
|
|
279 |
|
/** |
280 |
< |
* setUncaughtExceptionHandler of null removes handler |
280 |
> |
* After invoking a single task, isQuiescent eventually becomes |
281 |
> |
* true, at which time queues are empty, threads are not active, |
282 |
> |
* the task has completed successfully, and construction |
283 |
> |
* parameters continue to hold |
284 |
|
*/ |
285 |
< |
public void testSetUncaughtExceptionHandler2() { |
286 |
< |
ForkJoinPool p = null; |
285 |
> |
public void testIsQuiescent() throws Exception { |
286 |
> |
ForkJoinPool p = new ForkJoinPool(2); |
287 |
|
try { |
288 |
< |
p = new ForkJoinPool(1); |
289 |
< |
p.setUncaughtExceptionHandler(null); |
290 |
< |
assertNull(p.getUncaughtExceptionHandler()); |
291 |
< |
} finally { |
292 |
< |
joinPool(p); |
293 |
< |
} |
294 |
< |
} |
295 |
< |
|
288 |
> |
assertTrue(p.isQuiescent()); |
289 |
> |
long startTime = System.nanoTime(); |
290 |
> |
FibTask f = new FibTask(20); |
291 |
> |
p.invoke(f); |
292 |
> |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
293 |
> |
p.getFactory()); |
294 |
> |
while (! p.isQuiescent()) { |
295 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
296 |
> |
throw new AssertionFailedError("timed out"); |
297 |
> |
assertFalse(p.getAsyncMode()); |
298 |
> |
assertFalse(p.isShutdown()); |
299 |
> |
assertFalse(p.isTerminating()); |
300 |
> |
assertFalse(p.isTerminated()); |
301 |
> |
Thread.yield(); |
302 |
> |
} |
303 |
|
|
342 |
– |
/** |
343 |
– |
* After invoking a single task, isQuiescent is true, |
344 |
– |
* queues are empty, threads are not active, and |
345 |
– |
* construction parameters continue to hold |
346 |
– |
*/ |
347 |
– |
public void testisQuiescent() throws InterruptedException { |
348 |
– |
ForkJoinPool p = null; |
349 |
– |
try { |
350 |
– |
p = new ForkJoinPool(2); |
351 |
– |
p.invoke(new FibTask(20)); |
352 |
– |
assertTrue(p.getFactory() == |
353 |
– |
ForkJoinPool.defaultForkJoinWorkerThreadFactory); |
354 |
– |
Thread.sleep(MEDIUM_DELAY_MS); |
304 |
|
assertTrue(p.isQuiescent()); |
356 |
– |
assertTrue(p.getMaintainsParallelism()); |
305 |
|
assertFalse(p.getAsyncMode()); |
306 |
< |
assertTrue(p.getActiveThreadCount() == 0); |
307 |
< |
assertTrue(p.getQueuedTaskCount() == 0); |
308 |
< |
assertTrue(p.getQueuedSubmissionCount() == 0); |
306 |
> |
assertEquals(0, p.getActiveThreadCount()); |
307 |
> |
assertEquals(0, p.getQueuedTaskCount()); |
308 |
> |
assertEquals(0, p.getQueuedSubmissionCount()); |
309 |
|
assertFalse(p.hasQueuedSubmissions()); |
310 |
|
assertFalse(p.isShutdown()); |
311 |
|
assertFalse(p.isTerminating()); |
312 |
|
assertFalse(p.isTerminated()); |
313 |
+ |
assertTrue(f.isDone()); |
314 |
+ |
assertEquals(6765, (int) f.get()); |
315 |
|
} finally { |
316 |
|
joinPool(p); |
317 |
|
} |
321 |
|
* Completed submit(ForkJoinTask) returns result |
322 |
|
*/ |
323 |
|
public void testSubmitForkJoinTask() throws Throwable { |
324 |
< |
ForkJoinPool p = null; |
324 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
325 |
|
try { |
376 |
– |
p = new ForkJoinPool(1); |
326 |
|
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
327 |
< |
int r = f.get(); |
379 |
< |
assertTrue(r == 21); |
327 |
> |
assertEquals(21, (int) f.get()); |
328 |
|
} finally { |
329 |
|
joinPool(p); |
330 |
|
} |
334 |
|
* A task submitted after shutdown is rejected |
335 |
|
*/ |
336 |
|
public void testSubmitAfterShutdown() { |
337 |
< |
ForkJoinPool p = null; |
337 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
338 |
|
try { |
391 |
– |
p = new ForkJoinPool(1); |
339 |
|
p.shutdown(); |
340 |
|
assertTrue(p.isShutdown()); |
341 |
< |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
342 |
< |
shouldThrow(); |
343 |
< |
} catch (RejectedExecutionException success) { |
341 |
> |
try { |
342 |
> |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
343 |
> |
shouldThrow(); |
344 |
> |
} catch (RejectedExecutionException success) {} |
345 |
|
} finally { |
346 |
|
joinPool(p); |
347 |
|
} |
351 |
|
* Pool maintains parallelism when using ManagedBlocker |
352 |
|
*/ |
353 |
|
public void testBlockingForkJoinTask() throws Throwable { |
354 |
< |
ForkJoinPool p = null; |
354 |
> |
ForkJoinPool p = new ForkJoinPool(4); |
355 |
|
try { |
408 |
– |
p = new ForkJoinPool(4); |
356 |
|
ReentrantLock lock = new ReentrantLock(); |
357 |
|
ManagedLocker locker = new ManagedLocker(lock); |
358 |
< |
ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock); |
358 |
> |
ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock); |
359 |
|
p.execute(f); |
360 |
< |
assertTrue(p.getPoolSize() >= 4); |
414 |
< |
int r = f.get(); |
415 |
< |
assertTrue(r == 832040); |
360 |
> |
assertEquals(6765, (int) f.get()); |
361 |
|
} finally { |
362 |
|
p.shutdownNow(); // don't wait out shutdown |
363 |
|
} |
367 |
|
* pollSubmission returns unexecuted submitted task, if present |
368 |
|
*/ |
369 |
|
public void testPollSubmission() { |
370 |
< |
SubFJP p = null; |
370 |
> |
final CountDownLatch done = new CountDownLatch(1); |
371 |
> |
SubFJP p = new SubFJP(); |
372 |
|
try { |
373 |
< |
p = new SubFJP(); |
374 |
< |
ForkJoinTask a = p.submit(new MediumRunnable()); |
375 |
< |
ForkJoinTask b = p.submit(new MediumRunnable()); |
430 |
< |
ForkJoinTask c = p.submit(new MediumRunnable()); |
373 |
> |
ForkJoinTask a = p.submit(awaiter(done)); |
374 |
> |
ForkJoinTask b = p.submit(awaiter(done)); |
375 |
> |
ForkJoinTask c = p.submit(awaiter(done)); |
376 |
|
ForkJoinTask r = p.pollSubmission(); |
377 |
|
assertTrue(r == a || r == b || r == c); |
378 |
|
assertFalse(r.isDone()); |
379 |
|
} finally { |
380 |
+ |
done.countDown(); |
381 |
|
joinPool(p); |
382 |
|
} |
383 |
|
} |
386 |
|
* drainTasksTo transfers unexecuted submitted tasks, if present |
387 |
|
*/ |
388 |
|
public void testDrainTasksTo() { |
389 |
< |
SubFJP p = null; |
389 |
> |
final CountDownLatch done = new CountDownLatch(1); |
390 |
> |
SubFJP p = new SubFJP(); |
391 |
|
try { |
392 |
< |
p = new SubFJP(); |
393 |
< |
ForkJoinTask a = p.submit(new MediumRunnable()); |
394 |
< |
ForkJoinTask b = p.submit(new MediumRunnable()); |
448 |
< |
ForkJoinTask c = p.submit(new MediumRunnable()); |
392 |
> |
ForkJoinTask a = p.submit(awaiter(done)); |
393 |
> |
ForkJoinTask b = p.submit(awaiter(done)); |
394 |
> |
ForkJoinTask c = p.submit(awaiter(done)); |
395 |
|
ArrayList<ForkJoinTask> al = new ArrayList(); |
396 |
|
p.drainTasksTo(al); |
397 |
|
assertTrue(al.size() > 0); |
400 |
|
assertFalse(r.isDone()); |
401 |
|
} |
402 |
|
} finally { |
403 |
+ |
done.countDown(); |
404 |
|
joinPool(p); |
405 |
|
} |
406 |
|
} |
407 |
|
|
461 |
– |
|
408 |
|
// FJ Versions of AbstractExecutorService tests |
409 |
|
|
410 |
|
/** |
412 |
|
*/ |
413 |
|
public void testExecuteRunnable() throws Throwable { |
414 |
|
ExecutorService e = new ForkJoinPool(1); |
415 |
< |
TrackedShortRunnable task = new TrackedShortRunnable(); |
416 |
< |
assertFalse(task.done); |
417 |
< |
Future<?> future = e.submit(task); |
418 |
< |
future.get(); |
419 |
< |
assertTrue(task.done); |
415 |
> |
try { |
416 |
> |
final AtomicBoolean done = new AtomicBoolean(false); |
417 |
> |
Future<?> future = e.submit(new CheckedRunnable() { |
418 |
> |
public void realRun() { |
419 |
> |
done.set(true); |
420 |
> |
}}); |
421 |
> |
assertNull(future.get()); |
422 |
> |
assertNull(future.get(0, MILLISECONDS)); |
423 |
> |
assertTrue(done.get()); |
424 |
> |
assertTrue(future.isDone()); |
425 |
> |
assertFalse(future.isCancelled()); |
426 |
> |
} finally { |
427 |
> |
joinPool(e); |
428 |
> |
} |
429 |
|
} |
430 |
|
|
476 |
– |
|
431 |
|
/** |
432 |
|
* Completed submit(callable) returns result |
433 |
|
*/ |
434 |
|
public void testSubmitCallable() throws Throwable { |
435 |
|
ExecutorService e = new ForkJoinPool(1); |
436 |
< |
Future<String> future = e.submit(new StringTask()); |
437 |
< |
String result = future.get(); |
438 |
< |
assertSame(TEST_STRING, result); |
436 |
> |
try { |
437 |
> |
Future<String> future = e.submit(new StringTask()); |
438 |
> |
assertSame(TEST_STRING, future.get()); |
439 |
> |
assertTrue(future.isDone()); |
440 |
> |
assertFalse(future.isCancelled()); |
441 |
> |
} finally { |
442 |
> |
joinPool(e); |
443 |
> |
} |
444 |
|
} |
445 |
|
|
446 |
|
/** |
448 |
|
*/ |
449 |
|
public void testSubmitRunnable() throws Throwable { |
450 |
|
ExecutorService e = new ForkJoinPool(1); |
451 |
< |
Future<?> future = e.submit(new NoOpRunnable()); |
452 |
< |
future.get(); |
453 |
< |
assertTrue(future.isDone()); |
451 |
> |
try { |
452 |
> |
Future<?> future = e.submit(new NoOpRunnable()); |
453 |
> |
assertNull(future.get()); |
454 |
> |
assertTrue(future.isDone()); |
455 |
> |
assertFalse(future.isCancelled()); |
456 |
> |
} finally { |
457 |
> |
joinPool(e); |
458 |
> |
} |
459 |
|
} |
460 |
|
|
461 |
|
/** |
463 |
|
*/ |
464 |
|
public void testSubmitRunnable2() throws Throwable { |
465 |
|
ExecutorService e = new ForkJoinPool(1); |
466 |
< |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
467 |
< |
String result = future.get(); |
468 |
< |
assertSame(TEST_STRING, result); |
466 |
> |
try { |
467 |
> |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
468 |
> |
assertSame(TEST_STRING, future.get()); |
469 |
> |
assertTrue(future.isDone()); |
470 |
> |
assertFalse(future.isCancelled()); |
471 |
> |
} finally { |
472 |
> |
joinPool(e); |
473 |
> |
} |
474 |
|
} |
475 |
|
|
507 |
– |
|
476 |
|
/** |
477 |
< |
* A submitted privileged action to completion |
477 |
> |
* A submitted privileged action runs to completion |
478 |
|
*/ |
479 |
< |
public void testSubmitPrivilegedAction() throws Throwable { |
480 |
< |
Policy savedPolicy = null; |
481 |
< |
try { |
482 |
< |
savedPolicy = Policy.getPolicy(); |
483 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
516 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
517 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
518 |
< |
Policy.setPolicy(policy); |
519 |
< |
} catch (AccessControlException ok) { |
520 |
< |
return; |
521 |
< |
} |
522 |
< |
try { |
479 |
> |
public void testSubmitPrivilegedAction() throws Exception { |
480 |
> |
final Callable callable = Executors.callable(new PrivilegedAction() { |
481 |
> |
public Object run() { return TEST_STRING; }}); |
482 |
> |
Runnable r = new CheckedRunnable() { |
483 |
> |
public void realRun() throws Exception { |
484 |
|
ExecutorService e = new ForkJoinPool(1); |
485 |
< |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
486 |
< |
public Object run() { |
487 |
< |
return TEST_STRING; |
488 |
< |
}})); |
485 |
> |
try { |
486 |
> |
Future future = e.submit(callable); |
487 |
> |
assertSame(TEST_STRING, future.get()); |
488 |
> |
} finally { |
489 |
> |
joinPool(e); |
490 |
> |
} |
491 |
> |
}}; |
492 |
|
|
493 |
< |
Object result = future.get(); |
530 |
< |
assertSame(TEST_STRING, result); |
531 |
< |
} |
532 |
< |
finally { |
533 |
< |
Policy.setPolicy(savedPolicy); |
534 |
< |
} |
493 |
> |
runWithPermissions(r, new RuntimePermission("modifyThread")); |
494 |
|
} |
495 |
|
|
496 |
|
/** |
497 |
< |
* A submitted a privileged exception action runs to completion |
497 |
> |
* A submitted privileged exception action runs to completion |
498 |
|
*/ |
499 |
< |
public void testSubmitPrivilegedExceptionAction() throws Throwable { |
500 |
< |
Policy savedPolicy = null; |
501 |
< |
try { |
502 |
< |
savedPolicy = Policy.getPolicy(); |
503 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
504 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
546 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
547 |
< |
Policy.setPolicy(policy); |
548 |
< |
} catch (AccessControlException ok) { |
549 |
< |
return; |
550 |
< |
} |
551 |
< |
|
552 |
< |
try { |
499 |
> |
public void testSubmitPrivilegedExceptionAction() throws Exception { |
500 |
> |
final Callable callable = |
501 |
> |
Executors.callable(new PrivilegedExceptionAction() { |
502 |
> |
public Object run() { return TEST_STRING; }}); |
503 |
> |
Runnable r = new CheckedRunnable() { |
504 |
> |
public void realRun() throws Exception { |
505 |
|
ExecutorService e = new ForkJoinPool(1); |
506 |
< |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
507 |
< |
public Object run() { |
508 |
< |
return TEST_STRING; |
509 |
< |
}})); |
506 |
> |
try { |
507 |
> |
Future future = e.submit(callable); |
508 |
> |
assertSame(TEST_STRING, future.get()); |
509 |
> |
} finally { |
510 |
> |
joinPool(e); |
511 |
> |
} |
512 |
> |
}}; |
513 |
|
|
514 |
< |
Object result = future.get(); |
560 |
< |
assertSame(TEST_STRING, result); |
561 |
< |
} |
562 |
< |
finally { |
563 |
< |
Policy.setPolicy(savedPolicy); |
564 |
< |
} |
514 |
> |
runWithPermissions(r, new RuntimePermission("modifyThread")); |
515 |
|
} |
516 |
|
|
517 |
|
/** |
518 |
|
* A submitted failed privileged exception action reports exception |
519 |
|
*/ |
520 |
< |
public void testSubmitFailedPrivilegedExceptionAction() throws Throwable { |
521 |
< |
Policy savedPolicy = null; |
522 |
< |
try { |
523 |
< |
savedPolicy = Policy.getPolicy(); |
524 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
525 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
576 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
577 |
< |
Policy.setPolicy(policy); |
578 |
< |
} catch (AccessControlException ok) { |
579 |
< |
return; |
580 |
< |
} |
581 |
< |
|
582 |
< |
|
583 |
< |
try { |
520 |
> |
public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
521 |
> |
final Callable callable = |
522 |
> |
Executors.callable(new PrivilegedExceptionAction() { |
523 |
> |
public Object run() { throw new IndexOutOfBoundsException(); }}); |
524 |
> |
Runnable r = new CheckedRunnable() { |
525 |
> |
public void realRun() throws Exception { |
526 |
|
ExecutorService e = new ForkJoinPool(1); |
527 |
< |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
528 |
< |
public Object run() throws Exception { |
529 |
< |
throw new IndexOutOfBoundsException(); |
530 |
< |
}})); |
527 |
> |
try { |
528 |
> |
Future future = e.submit(callable); |
529 |
> |
try { |
530 |
> |
future.get(); |
531 |
> |
shouldThrow(); |
532 |
> |
} catch (ExecutionException success) { |
533 |
> |
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
534 |
> |
} |
535 |
> |
} finally { |
536 |
> |
joinPool(e); |
537 |
> |
} |
538 |
> |
}}; |
539 |
|
|
540 |
< |
Object result = future.get(); |
591 |
< |
shouldThrow(); |
592 |
< |
} catch (ExecutionException success) { |
593 |
< |
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
594 |
< |
} finally { |
595 |
< |
Policy.setPolicy(savedPolicy); |
596 |
< |
} |
540 |
> |
runWithPermissions(r, new RuntimePermission("modifyThread")); |
541 |
|
} |
542 |
|
|
543 |
|
/** |
544 |
|
* execute(null runnable) throws NullPointerException |
545 |
|
*/ |
546 |
|
public void testExecuteNullRunnable() { |
547 |
+ |
ExecutorService e = new ForkJoinPool(1); |
548 |
|
try { |
549 |
< |
ExecutorService e = new ForkJoinPool(1); |
605 |
< |
TrackedShortRunnable task = null; |
606 |
< |
Future<?> future = e.submit(task); |
549 |
> |
Future<?> future = e.submit((Runnable) null); |
550 |
|
shouldThrow(); |
551 |
< |
} catch (NullPointerException success) {} |
551 |
> |
} catch (NullPointerException success) { |
552 |
> |
} finally { |
553 |
> |
joinPool(e); |
554 |
> |
} |
555 |
|
} |
556 |
|
|
611 |
– |
|
557 |
|
/** |
558 |
|
* submit(null callable) throws NullPointerException |
559 |
|
*/ |
560 |
|
public void testSubmitNullCallable() { |
561 |
+ |
ExecutorService e = new ForkJoinPool(1); |
562 |
|
try { |
563 |
< |
ExecutorService e = new ForkJoinPool(1); |
618 |
< |
StringTask t = null; |
619 |
< |
Future<String> future = e.submit(t); |
563 |
> |
Future<String> future = e.submit((Callable) null); |
564 |
|
shouldThrow(); |
565 |
< |
} catch (NullPointerException success) {} |
565 |
> |
} catch (NullPointerException success) { |
566 |
> |
} finally { |
567 |
> |
joinPool(e); |
568 |
> |
} |
569 |
|
} |
570 |
|
|
624 |
– |
|
571 |
|
/** |
572 |
< |
* Blocking on submit(callable) throws InterruptedException if |
627 |
< |
* caller interrupted. |
572 |
> |
* submit(callable).get() throws InterruptedException if interrupted |
573 |
|
*/ |
574 |
|
public void testInterruptedSubmit() throws InterruptedException { |
575 |
< |
final ForkJoinPool p = new ForkJoinPool(1); |
576 |
< |
|
577 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
578 |
< |
void realRun() throws Throwable { |
579 |
< |
p.submit(new CheckedCallable<Object>() { |
580 |
< |
public Object realCall() throws Throwable { |
581 |
< |
try { |
582 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
583 |
< |
} catch (InterruptedException ok) { |
584 |
< |
} |
585 |
< |
return null; |
586 |
< |
}}).get(); |
587 |
< |
}}); |
588 |
< |
|
589 |
< |
t.start(); |
590 |
< |
Thread.sleep(SHORT_DELAY_MS); |
591 |
< |
t.interrupt(); |
592 |
< |
t.join(); |
593 |
< |
p.shutdownNow(); |
594 |
< |
joinPool(p); |
575 |
> |
final CountDownLatch submitted = new CountDownLatch(1); |
576 |
> |
final CountDownLatch quittingTime = new CountDownLatch(1); |
577 |
> |
final ExecutorService p = new ForkJoinPool(1); |
578 |
> |
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
579 |
> |
public Void realCall() throws InterruptedException { |
580 |
> |
assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
581 |
> |
return null; |
582 |
> |
}}; |
583 |
> |
try { |
584 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
585 |
> |
public void realRun() throws Exception { |
586 |
> |
Future<Void> future = p.submit(awaiter); |
587 |
> |
submitted.countDown(); |
588 |
> |
future.get(); |
589 |
> |
}}); |
590 |
> |
t.start(); |
591 |
> |
assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
592 |
> |
t.interrupt(); |
593 |
> |
t.join(); |
594 |
> |
} finally { |
595 |
> |
quittingTime.countDown(); |
596 |
> |
joinPool(p); |
597 |
> |
} |
598 |
|
} |
599 |
|
|
600 |
|
/** |
605 |
|
ForkJoinPool p = new ForkJoinPool(1); |
606 |
|
try { |
607 |
|
p.submit(new Callable() { |
608 |
< |
public Object call() { |
609 |
< |
int i = 5/0; |
662 |
< |
return Boolean.TRUE; |
663 |
< |
}}).get(); |
608 |
> |
public Object call() { throw new ArithmeticException(); }}) |
609 |
> |
.get(); |
610 |
|
shouldThrow(); |
611 |
|
} catch (ExecutionException success) { |
612 |
|
assertTrue(success.getCause() instanceof ArithmeticException); |
613 |
+ |
} finally { |
614 |
+ |
joinPool(p); |
615 |
|
} |
668 |
– |
|
669 |
– |
joinPool(p); |
616 |
|
} |
617 |
|
|
618 |
|
/** |
648 |
|
*/ |
649 |
|
public void testInvokeAny3() throws Throwable { |
650 |
|
ExecutorService e = new ForkJoinPool(1); |
651 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
652 |
+ |
l.add(null); |
653 |
|
try { |
706 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
707 |
– |
l.add(null); |
654 |
|
e.invokeAny(l); |
655 |
|
shouldThrow(); |
656 |
|
} catch (NullPointerException success) { |
663 |
|
* invokeAny(c) throws NullPointerException if c has null elements |
664 |
|
*/ |
665 |
|
public void testInvokeAny4() throws Throwable { |
666 |
+ |
CountDownLatch latch = new CountDownLatch(1); |
667 |
|
ExecutorService e = new ForkJoinPool(1); |
668 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
669 |
+ |
l.add(latchAwaitingStringTask(latch)); |
670 |
+ |
l.add(null); |
671 |
|
try { |
722 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
723 |
– |
l.add(new Callable<String>() { |
724 |
– |
public String call() { |
725 |
– |
// The delay gives the pool a chance to notice |
726 |
– |
// the null element. |
727 |
– |
sleepTillInterrupted(SMALL_DELAY_MS); |
728 |
– |
return "foo"; |
729 |
– |
}}); |
730 |
– |
l.add(null); |
672 |
|
e.invokeAny(l); |
673 |
|
shouldThrow(); |
674 |
|
} catch (NullPointerException success) { |
675 |
|
} finally { |
676 |
+ |
latch.countDown(); |
677 |
|
joinPool(e); |
678 |
|
} |
679 |
|
} |
683 |
|
*/ |
684 |
|
public void testInvokeAny5() throws Throwable { |
685 |
|
ExecutorService e = new ForkJoinPool(1); |
686 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
687 |
+ |
l.add(new NPETask()); |
688 |
|
try { |
745 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
746 |
– |
l.add(new NPETask()); |
689 |
|
e.invokeAny(l); |
690 |
|
shouldThrow(); |
691 |
|
} catch (ExecutionException success) { |
701 |
|
public void testInvokeAny6() throws Throwable { |
702 |
|
ExecutorService e = new ForkJoinPool(1); |
703 |
|
try { |
704 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
704 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
705 |
|
l.add(new StringTask()); |
706 |
|
l.add(new StringTask()); |
707 |
|
String result = e.invokeAny(l); |
744 |
|
*/ |
745 |
|
public void testInvokeAll3() throws InterruptedException { |
746 |
|
ExecutorService e = new ForkJoinPool(1); |
747 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
748 |
+ |
l.add(new StringTask()); |
749 |
+ |
l.add(null); |
750 |
|
try { |
806 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
807 |
– |
l.add(new StringTask()); |
808 |
– |
l.add(null); |
751 |
|
e.invokeAll(l); |
752 |
|
shouldThrow(); |
753 |
|
} catch (NullPointerException success) { |
762 |
|
*/ |
763 |
|
public void testInvokeAll4() throws Throwable { |
764 |
|
ExecutorService e = new ForkJoinPool(1); |
765 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
766 |
+ |
l.add(new NPETask()); |
767 |
+ |
List<Future<String>> futures = e.invokeAll(l); |
768 |
+ |
assertEquals(1, futures.size()); |
769 |
|
try { |
770 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
825 |
< |
l.add(new NPETask()); |
826 |
< |
List<Future<String>> result = e.invokeAll(l); |
827 |
< |
assertEquals(1, result.size()); |
828 |
< |
for (Future<String> future : result) |
829 |
< |
future.get(); |
770 |
> |
futures.get(0).get(); |
771 |
|
shouldThrow(); |
772 |
|
} catch (ExecutionException success) { |
773 |
|
assertTrue(success.getCause() instanceof NullPointerException); |
782 |
|
public void testInvokeAll5() throws Throwable { |
783 |
|
ExecutorService e = new ForkJoinPool(1); |
784 |
|
try { |
785 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
785 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
786 |
|
l.add(new StringTask()); |
787 |
|
l.add(new StringTask()); |
788 |
< |
List<Future<String>> result = e.invokeAll(l); |
789 |
< |
assertEquals(2, result.size()); |
790 |
< |
for (Future<String> future : result) |
788 |
> |
List<Future<String>> futures = e.invokeAll(l); |
789 |
> |
assertEquals(2, futures.size()); |
790 |
> |
for (Future<String> future : futures) |
791 |
|
assertSame(TEST_STRING, future.get()); |
792 |
|
} finally { |
793 |
|
joinPool(e); |
794 |
|
} |
795 |
|
} |
796 |
|
|
856 |
– |
|
797 |
|
/** |
798 |
|
* timed invokeAny(null) throws NullPointerException |
799 |
|
*/ |
813 |
|
*/ |
814 |
|
public void testTimedInvokeAnyNullTimeUnit() throws Throwable { |
815 |
|
ExecutorService e = new ForkJoinPool(1); |
816 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
817 |
+ |
l.add(new StringTask()); |
818 |
|
try { |
877 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
878 |
– |
l.add(new StringTask()); |
819 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
820 |
|
shouldThrow(); |
821 |
|
} catch (NullPointerException success) { |
843 |
|
* timed invokeAny(c) throws NullPointerException if c has null elements |
844 |
|
*/ |
845 |
|
public void testTimedInvokeAny3() throws Throwable { |
846 |
+ |
CountDownLatch latch = new CountDownLatch(1); |
847 |
|
ExecutorService e = new ForkJoinPool(1); |
848 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
849 |
+ |
l.add(latchAwaitingStringTask(latch)); |
850 |
+ |
l.add(null); |
851 |
|
try { |
908 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
909 |
– |
l.add(new StringTask()); |
910 |
– |
l.add(null); |
852 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
853 |
|
shouldThrow(); |
854 |
|
} catch (NullPointerException success) { |
855 |
|
} finally { |
856 |
+ |
latch.countDown(); |
857 |
|
joinPool(e); |
858 |
|
} |
859 |
|
} |
863 |
|
*/ |
864 |
|
public void testTimedInvokeAny4() throws Throwable { |
865 |
|
ExecutorService e = new ForkJoinPool(1); |
866 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
867 |
+ |
l.add(new NPETask()); |
868 |
|
try { |
925 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
926 |
– |
l.add(new NPETask()); |
869 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
870 |
|
shouldThrow(); |
871 |
|
} catch (ExecutionException success) { |
881 |
|
public void testTimedInvokeAny5() throws Throwable { |
882 |
|
ExecutorService e = new ForkJoinPool(1); |
883 |
|
try { |
884 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
884 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
885 |
|
l.add(new StringTask()); |
886 |
|
l.add(new StringTask()); |
887 |
|
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
910 |
|
*/ |
911 |
|
public void testTimedInvokeAllNullTimeUnit() throws Throwable { |
912 |
|
ExecutorService e = new ForkJoinPool(1); |
913 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
914 |
+ |
l.add(new StringTask()); |
915 |
|
try { |
972 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
973 |
– |
l.add(new StringTask()); |
916 |
|
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
917 |
|
shouldThrow(); |
918 |
|
} catch (NullPointerException success) { |
941 |
|
*/ |
942 |
|
public void testTimedInvokeAll3() throws InterruptedException { |
943 |
|
ExecutorService e = new ForkJoinPool(1); |
944 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
945 |
+ |
l.add(new StringTask()); |
946 |
+ |
l.add(null); |
947 |
|
try { |
1003 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1004 |
– |
l.add(new StringTask()); |
1005 |
– |
l.add(null); |
948 |
|
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
949 |
|
shouldThrow(); |
950 |
|
} catch (NullPointerException success) { |
958 |
|
*/ |
959 |
|
public void testTimedInvokeAll4() throws Throwable { |
960 |
|
ExecutorService e = new ForkJoinPool(1); |
961 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
962 |
+ |
l.add(new NPETask()); |
963 |
+ |
List<Future<String>> futures |
964 |
+ |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
965 |
+ |
assertEquals(1, futures.size()); |
966 |
|
try { |
967 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1021 |
< |
l.add(new NPETask()); |
1022 |
< |
List<Future<String>> result |
1023 |
< |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1024 |
< |
assertEquals(1, result.size()); |
1025 |
< |
for (Future<String> future : result) |
1026 |
< |
future.get(); |
967 |
> |
futures.get(0).get(); |
968 |
|
shouldThrow(); |
969 |
|
} catch (ExecutionException success) { |
970 |
|
assertTrue(success.getCause() instanceof NullPointerException); |
979 |
|
public void testTimedInvokeAll5() throws Throwable { |
980 |
|
ExecutorService e = new ForkJoinPool(1); |
981 |
|
try { |
982 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
982 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
983 |
|
l.add(new StringTask()); |
984 |
|
l.add(new StringTask()); |
985 |
< |
List<Future<String>> result |
985 |
> |
List<Future<String>> futures |
986 |
|
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
987 |
< |
assertEquals(2, result.size()); |
988 |
< |
for (Future<String> future : result) |
987 |
> |
assertEquals(2, futures.size()); |
988 |
> |
for (Future<String> future : futures) |
989 |
|
assertSame(TEST_STRING, future.get()); |
990 |
|
} finally { |
991 |
|
joinPool(e); |