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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.AbstractExecutorService; |
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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.CancellationException; |
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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.TimeUnit; |
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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 java.security.AccessControlException; |
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import java.security.Policy; |
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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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// 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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* 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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try { |
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new ForkJoinPool(-1); |
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shouldThrow(); |
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} |
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catch (IllegalArgumentException success) {} |
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} catch (IllegalArgumentException success) {} |
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} |
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|
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/** |
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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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} 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. |
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*/ |
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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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} |
215 |
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} |
216 |
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|
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/** |
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* setParallelism with argument <= 0 throws exception |
219 |
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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); |
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assertTrue(p.getParallelism() == 1); |
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p.setParallelism(-2); |
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shouldThrow(); |
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} catch (IllegalArgumentException success) { |
207 |
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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); |
219 |
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assertEquals(0, p.getActiveThreadCount()); |
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Future<String> future = p.submit(new StringTask()); |
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assertTrue(p.getPoolSize() == 1); |
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|
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} finally { |
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joinPool(p); |
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} |
247 |
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} |
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|
249 |
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/** |
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* setMaximumPoolSize changes size reported by getMaximumPoolSize. |
251 |
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*/ |
252 |
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public void testSetMaximumPoolSize() { |
253 |
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ForkJoinPool p = null; |
254 |
< |
try { |
255 |
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p = new ForkJoinPool(1); |
256 |
< |
p.setMaximumPoolSize(2); |
257 |
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assertTrue(p.getMaximumPoolSize() == 2); |
258 |
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} finally { |
259 |
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joinPool(p); |
260 |
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} |
261 |
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} |
262 |
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|
263 |
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/** |
264 |
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* setMaximumPoolSize with argument <= 0 throws exception |
265 |
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*/ |
266 |
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public void testSetMaximumPoolSize2() { |
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ForkJoinPool p = null; |
268 |
< |
try { |
269 |
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p = new ForkJoinPool(1); |
270 |
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p.setMaximumPoolSize(-2); |
271 |
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shouldThrow(); |
272 |
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} catch (IllegalArgumentException success) { |
273 |
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} finally { |
274 |
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joinPool(p); |
275 |
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} |
276 |
< |
} |
277 |
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|
278 |
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/** |
279 |
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* setMaintainsParallelism changes policy reported by |
280 |
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* getMaintainsParallelism. |
281 |
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*/ |
282 |
< |
public void testSetMaintainsParallelism() { |
283 |
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ForkJoinPool p = null; |
284 |
< |
try { |
285 |
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p = new ForkJoinPool(1); |
286 |
< |
p.setMaintainsParallelism(false); |
287 |
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assertFalse(p.getMaintainsParallelism()); |
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} finally { |
289 |
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joinPool(p); |
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} |
291 |
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} |
292 |
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|
293 |
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/** |
294 |
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* setAsyncMode changes policy reported by |
295 |
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* getAsyncMode. |
296 |
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*/ |
297 |
< |
public void testSetAsyncMode() { |
298 |
< |
ForkJoinPool p = null; |
299 |
< |
try { |
300 |
< |
p = new ForkJoinPool(1); |
301 |
< |
p.setAsyncMode(true); |
302 |
< |
assertTrue(p.getAsyncMode()); |
221 |
> |
assertEquals(1, p.getPoolSize()); |
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} finally { |
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joinPool(p); |
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} |
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* performs its defined action |
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*/ |
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public void testSetUncaughtExceptionHandler() throws InterruptedException { |
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ForkJoinPool p = null; |
234 |
> |
final CountDownLatch uehInvoked = new CountDownLatch(1); |
235 |
> |
final Thread.UncaughtExceptionHandler eh = |
236 |
> |
new Thread.UncaughtExceptionHandler() { |
237 |
> |
public void uncaughtException(Thread t, Throwable e) { |
238 |
> |
uehInvoked.countDown(); |
239 |
> |
}}; |
240 |
> |
ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), |
241 |
> |
eh, false); |
242 |
|
try { |
243 |
< |
p = new ForkJoinPool(1, new FailingThreadFactory()); |
244 |
< |
MyHandler eh = new MyHandler(); |
245 |
< |
p.setUncaughtExceptionHandler(eh); |
320 |
< |
assertEquals(eh, p.getUncaughtExceptionHandler()); |
321 |
< |
p.execute(new FailingTask()); |
322 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
323 |
< |
assertTrue(eh.catches > 0); |
243 |
> |
assertSame(eh, p.getUncaughtExceptionHandler()); |
244 |
> |
p.execute(new FibTask(8)); |
245 |
> |
assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
246 |
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} finally { |
247 |
+ |
p.shutdownNow(); // failure might have prevented processing task |
248 |
|
joinPool(p); |
249 |
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} |
250 |
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} |
251 |
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|
252 |
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/** |
253 |
< |
* setUncaughtExceptionHandler of null removes handler |
253 |
> |
* After invoking a single task, isQuiescent eventually becomes |
254 |
> |
* true, at which time queues are empty, threads are not active, |
255 |
> |
* the task has completed successfully, and construction |
256 |
> |
* parameters continue to hold |
257 |
|
*/ |
258 |
< |
public void testSetUncaughtExceptionHandler2() { |
259 |
< |
ForkJoinPool p = null; |
258 |
> |
public void testisQuiescent() throws Exception { |
259 |
> |
ForkJoinPool p = new ForkJoinPool(2); |
260 |
|
try { |
261 |
< |
p = new ForkJoinPool(1); |
262 |
< |
p.setUncaughtExceptionHandler(null); |
263 |
< |
assertNull(p.getUncaughtExceptionHandler()); |
264 |
< |
} finally { |
265 |
< |
joinPool(p); |
266 |
< |
} |
267 |
< |
} |
268 |
< |
|
261 |
> |
assertTrue(p.isQuiescent()); |
262 |
> |
long startTime = System.nanoTime(); |
263 |
> |
FibTask f = new FibTask(20); |
264 |
> |
p.invoke(f); |
265 |
> |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
266 |
> |
p.getFactory()); |
267 |
> |
while (! p.isQuiescent()) { |
268 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
269 |
> |
throw new AssertionFailedError("timed out"); |
270 |
> |
assertFalse(p.getAsyncMode()); |
271 |
> |
assertFalse(p.isShutdown()); |
272 |
> |
assertFalse(p.isTerminating()); |
273 |
> |
assertFalse(p.isTerminated()); |
274 |
> |
Thread.yield(); |
275 |
> |
} |
276 |
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|
344 |
– |
/** |
345 |
– |
* After invoking a single task, isQuiescent is true, |
346 |
– |
* queues are empty, threads are not active, and |
347 |
– |
* construction parameters continue to hold |
348 |
– |
*/ |
349 |
– |
public void testisQuiescent() throws InterruptedException { |
350 |
– |
ForkJoinPool p = null; |
351 |
– |
try { |
352 |
– |
p = new ForkJoinPool(2); |
353 |
– |
p.invoke(new FibTask(20)); |
354 |
– |
assertTrue(p.getFactory() == |
355 |
– |
ForkJoinPool.defaultForkJoinWorkerThreadFactory); |
356 |
– |
Thread.sleep(MEDIUM_DELAY_MS); |
277 |
|
assertTrue(p.isQuiescent()); |
358 |
– |
assertTrue(p.getMaintainsParallelism()); |
278 |
|
assertFalse(p.getAsyncMode()); |
279 |
< |
assertTrue(p.getActiveThreadCount() == 0); |
280 |
< |
assertTrue(p.getQueuedTaskCount() == 0); |
281 |
< |
assertTrue(p.getQueuedSubmissionCount() == 0); |
279 |
> |
assertEquals(0, p.getActiveThreadCount()); |
280 |
> |
assertEquals(0, p.getQueuedTaskCount()); |
281 |
> |
assertEquals(0, p.getQueuedSubmissionCount()); |
282 |
|
assertFalse(p.hasQueuedSubmissions()); |
283 |
|
assertFalse(p.isShutdown()); |
284 |
|
assertFalse(p.isTerminating()); |
285 |
|
assertFalse(p.isTerminated()); |
286 |
+ |
assertTrue(f.isDone()); |
287 |
+ |
assertEquals(6765, (int) f.get()); |
288 |
|
} finally { |
289 |
|
joinPool(p); |
290 |
|
} |
294 |
|
* Completed submit(ForkJoinTask) returns result |
295 |
|
*/ |
296 |
|
public void testSubmitForkJoinTask() throws Throwable { |
297 |
< |
ForkJoinPool p = null; |
297 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
298 |
|
try { |
378 |
– |
p = new ForkJoinPool(1); |
299 |
|
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
300 |
< |
int r = f.get(); |
381 |
< |
assertTrue(r == 21); |
300 |
> |
assertEquals(21, (int) f.get()); |
301 |
|
} finally { |
302 |
|
joinPool(p); |
303 |
|
} |
307 |
|
* A task submitted after shutdown is rejected |
308 |
|
*/ |
309 |
|
public void testSubmitAfterShutdown() { |
310 |
< |
ForkJoinPool p = null; |
310 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
311 |
|
try { |
393 |
– |
p = new ForkJoinPool(1); |
312 |
|
p.shutdown(); |
313 |
|
assertTrue(p.isShutdown()); |
314 |
< |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
315 |
< |
shouldThrow(); |
316 |
< |
} catch (RejectedExecutionException success) { |
314 |
> |
try { |
315 |
> |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
316 |
> |
shouldThrow(); |
317 |
> |
} catch (RejectedExecutionException success) {} |
318 |
|
} finally { |
319 |
|
joinPool(p); |
320 |
|
} |
324 |
|
* Pool maintains parallelism when using ManagedBlocker |
325 |
|
*/ |
326 |
|
public void testBlockingForkJoinTask() throws Throwable { |
327 |
< |
ForkJoinPool p = null; |
327 |
> |
ForkJoinPool p = new ForkJoinPool(4); |
328 |
|
try { |
410 |
– |
p = new ForkJoinPool(4); |
329 |
|
ReentrantLock lock = new ReentrantLock(); |
330 |
|
ManagedLocker locker = new ManagedLocker(lock); |
331 |
< |
ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock); |
331 |
> |
ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock); |
332 |
|
p.execute(f); |
333 |
< |
assertTrue(p.getPoolSize() >= 4); |
416 |
< |
int r = f.get(); |
417 |
< |
assertTrue(r == 832040); |
333 |
> |
assertEquals(6765, (int) f.get()); |
334 |
|
} finally { |
335 |
|
p.shutdownNow(); // don't wait out shutdown |
336 |
|
} |
340 |
|
* pollSubmission returns unexecuted submitted task, if present |
341 |
|
*/ |
342 |
|
public void testPollSubmission() { |
343 |
< |
SubFJP p = null; |
343 |
> |
final CountDownLatch done = new CountDownLatch(1); |
344 |
> |
SubFJP p = new SubFJP(); |
345 |
|
try { |
346 |
< |
p = new SubFJP(); |
347 |
< |
ForkJoinTask a = p.submit(new MediumRunnable()); |
348 |
< |
ForkJoinTask b = p.submit(new MediumRunnable()); |
432 |
< |
ForkJoinTask c = p.submit(new MediumRunnable()); |
346 |
> |
ForkJoinTask a = p.submit(awaiter(done)); |
347 |
> |
ForkJoinTask b = p.submit(awaiter(done)); |
348 |
> |
ForkJoinTask c = p.submit(awaiter(done)); |
349 |
|
ForkJoinTask r = p.pollSubmission(); |
350 |
|
assertTrue(r == a || r == b || r == c); |
351 |
|
assertFalse(r.isDone()); |
352 |
|
} finally { |
353 |
+ |
done.countDown(); |
354 |
|
joinPool(p); |
355 |
|
} |
356 |
|
} |
359 |
|
* drainTasksTo transfers unexecuted submitted tasks, if present |
360 |
|
*/ |
361 |
|
public void testDrainTasksTo() { |
362 |
< |
SubFJP p = null; |
362 |
> |
final CountDownLatch done = new CountDownLatch(1); |
363 |
> |
SubFJP p = new SubFJP(); |
364 |
|
try { |
365 |
< |
p = new SubFJP(); |
366 |
< |
ForkJoinTask a = p.submit(new MediumRunnable()); |
367 |
< |
ForkJoinTask b = p.submit(new MediumRunnable()); |
450 |
< |
ForkJoinTask c = p.submit(new MediumRunnable()); |
365 |
> |
ForkJoinTask a = p.submit(awaiter(done)); |
366 |
> |
ForkJoinTask b = p.submit(awaiter(done)); |
367 |
> |
ForkJoinTask c = p.submit(awaiter(done)); |
368 |
|
ArrayList<ForkJoinTask> al = new ArrayList(); |
369 |
|
p.drainTasksTo(al); |
370 |
|
assertTrue(al.size() > 0); |
373 |
|
assertFalse(r.isDone()); |
374 |
|
} |
375 |
|
} finally { |
376 |
+ |
done.countDown(); |
377 |
|
joinPool(p); |
378 |
|
} |
379 |
|
} |
380 |
|
|
463 |
– |
|
381 |
|
// FJ Versions of AbstractExecutorService tests |
382 |
|
|
383 |
|
/** |
385 |
|
*/ |
386 |
|
public void testExecuteRunnable() throws Throwable { |
387 |
|
ExecutorService e = new ForkJoinPool(1); |
388 |
< |
TrackedShortRunnable task = new TrackedShortRunnable(); |
389 |
< |
assertFalse(task.done); |
390 |
< |
Future<?> future = e.submit(task); |
391 |
< |
future.get(); |
392 |
< |
assertTrue(task.done); |
388 |
> |
try { |
389 |
> |
TrackedRunnable task = trackedRunnable(SHORT_DELAY_MS); |
390 |
> |
assertFalse(task.isDone()); |
391 |
> |
Future<?> future = e.submit(task); |
392 |
> |
assertNull(future.get()); |
393 |
> |
assertNull(future.get(MEDIUM_DELAY_MS, MILLISECONDS)); |
394 |
> |
assertTrue(task.isDone()); |
395 |
> |
assertTrue(future.isDone()); |
396 |
> |
assertFalse(future.isCancelled()); |
397 |
> |
} finally { |
398 |
> |
joinPool(e); |
399 |
> |
} |
400 |
|
} |
401 |
|
|
478 |
– |
|
402 |
|
/** |
403 |
|
* Completed submit(callable) returns result |
404 |
|
*/ |
405 |
|
public void testSubmitCallable() throws Throwable { |
406 |
|
ExecutorService e = new ForkJoinPool(1); |
407 |
< |
Future<String> future = e.submit(new StringTask()); |
408 |
< |
String result = future.get(); |
409 |
< |
assertSame(TEST_STRING, result); |
407 |
> |
try { |
408 |
> |
Future<String> future = e.submit(new StringTask()); |
409 |
> |
assertSame(TEST_STRING, future.get()); |
410 |
> |
assertTrue(future.isDone()); |
411 |
> |
assertFalse(future.isCancelled()); |
412 |
> |
} finally { |
413 |
> |
joinPool(e); |
414 |
> |
} |
415 |
|
} |
416 |
|
|
417 |
|
/** |
419 |
|
*/ |
420 |
|
public void testSubmitRunnable() throws Throwable { |
421 |
|
ExecutorService e = new ForkJoinPool(1); |
422 |
< |
Future<?> future = e.submit(new NoOpRunnable()); |
423 |
< |
future.get(); |
424 |
< |
assertTrue(future.isDone()); |
422 |
> |
try { |
423 |
> |
Future<?> future = e.submit(new NoOpRunnable()); |
424 |
> |
assertNull(future.get()); |
425 |
> |
assertTrue(future.isDone()); |
426 |
> |
assertFalse(future.isCancelled()); |
427 |
> |
} finally { |
428 |
> |
joinPool(e); |
429 |
> |
} |
430 |
|
} |
431 |
|
|
432 |
|
/** |
434 |
|
*/ |
435 |
|
public void testSubmitRunnable2() throws Throwable { |
436 |
|
ExecutorService e = new ForkJoinPool(1); |
437 |
< |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
438 |
< |
String result = future.get(); |
439 |
< |
assertSame(TEST_STRING, result); |
437 |
> |
try { |
438 |
> |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
439 |
> |
assertSame(TEST_STRING, future.get()); |
440 |
> |
assertTrue(future.isDone()); |
441 |
> |
assertFalse(future.isCancelled()); |
442 |
> |
} finally { |
443 |
> |
joinPool(e); |
444 |
> |
} |
445 |
|
} |
446 |
|
|
509 |
– |
|
447 |
|
/** |
448 |
< |
* A submitted privileged action to completion |
448 |
> |
* A submitted privileged action runs to completion |
449 |
|
*/ |
450 |
< |
public void testSubmitPrivilegedAction() throws Throwable { |
451 |
< |
Policy savedPolicy = null; |
452 |
< |
try { |
453 |
< |
savedPolicy = Policy.getPolicy(); |
454 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
518 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
519 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
520 |
< |
Policy.setPolicy(policy); |
521 |
< |
} catch (AccessControlException ok) { |
522 |
< |
return; |
523 |
< |
} |
524 |
< |
try { |
525 |
< |
ExecutorService e = new ForkJoinPool(1); |
526 |
< |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
450 |
> |
public void testSubmitPrivilegedAction() throws Exception { |
451 |
> |
Runnable r = new CheckedRunnable() { |
452 |
> |
public void realRun() throws Exception { |
453 |
> |
ExecutorService e = new ForkJoinPool(1); |
454 |
> |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
455 |
|
public Object run() { |
456 |
|
return TEST_STRING; |
457 |
|
}})); |
458 |
|
|
459 |
< |
Object result = future.get(); |
460 |
< |
assertSame(TEST_STRING, result); |
461 |
< |
} |
462 |
< |
finally { |
463 |
< |
Policy.setPolicy(savedPolicy); |
536 |
< |
} |
459 |
> |
assertSame(TEST_STRING, future.get()); |
460 |
> |
}}; |
461 |
> |
|
462 |
> |
runWithPermissions(r, |
463 |
> |
new RuntimePermission("modifyThread")); |
464 |
|
} |
465 |
|
|
466 |
|
/** |
467 |
< |
* A submitted a privileged exception action runs to completion |
467 |
> |
* A submitted privileged exception action runs to completion |
468 |
|
*/ |
469 |
< |
public void testSubmitPrivilegedExceptionAction() throws Throwable { |
470 |
< |
Policy savedPolicy = null; |
471 |
< |
try { |
472 |
< |
savedPolicy = Policy.getPolicy(); |
473 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
547 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
548 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
549 |
< |
Policy.setPolicy(policy); |
550 |
< |
} catch (AccessControlException ok) { |
551 |
< |
return; |
552 |
< |
} |
553 |
< |
|
554 |
< |
try { |
555 |
< |
ExecutorService e = new ForkJoinPool(1); |
556 |
< |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
469 |
> |
public void testSubmitPrivilegedExceptionAction() throws Exception { |
470 |
> |
Runnable r = new CheckedRunnable() { |
471 |
> |
public void realRun() throws Exception { |
472 |
> |
ExecutorService e = new ForkJoinPool(1); |
473 |
> |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
474 |
|
public Object run() { |
475 |
|
return TEST_STRING; |
476 |
|
}})); |
477 |
|
|
478 |
< |
Object result = future.get(); |
479 |
< |
assertSame(TEST_STRING, result); |
480 |
< |
} |
481 |
< |
finally { |
565 |
< |
Policy.setPolicy(savedPolicy); |
566 |
< |
} |
478 |
> |
assertSame(TEST_STRING, future.get()); |
479 |
> |
}}; |
480 |
> |
|
481 |
> |
runWithPermissions(r, new RuntimePermission("modifyThread")); |
482 |
|
} |
483 |
|
|
484 |
|
/** |
485 |
|
* A submitted failed privileged exception action reports exception |
486 |
|
*/ |
487 |
< |
public void testSubmitFailedPrivilegedExceptionAction() throws Throwable { |
488 |
< |
Policy savedPolicy = null; |
489 |
< |
try { |
490 |
< |
savedPolicy = Policy.getPolicy(); |
491 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
577 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
578 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
579 |
< |
Policy.setPolicy(policy); |
580 |
< |
} catch (AccessControlException ok) { |
581 |
< |
return; |
582 |
< |
} |
583 |
< |
|
584 |
< |
|
585 |
< |
try { |
586 |
< |
ExecutorService e = new ForkJoinPool(1); |
587 |
< |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
487 |
> |
public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
488 |
> |
Runnable r = new CheckedRunnable() { |
489 |
> |
public void realRun() throws Exception { |
490 |
> |
ExecutorService e = new ForkJoinPool(1); |
491 |
> |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
492 |
|
public Object run() throws Exception { |
493 |
|
throw new IndexOutOfBoundsException(); |
494 |
|
}})); |
495 |
|
|
496 |
< |
Object result = future.get(); |
497 |
< |
shouldThrow(); |
498 |
< |
} catch (ExecutionException success) { |
499 |
< |
} finally { |
500 |
< |
Policy.setPolicy(savedPolicy); |
501 |
< |
} |
496 |
> |
try { |
497 |
> |
future.get(); |
498 |
> |
shouldThrow(); |
499 |
> |
} catch (ExecutionException success) { |
500 |
> |
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
501 |
> |
}}}; |
502 |
> |
|
503 |
> |
runWithPermissions(r, new RuntimePermission("modifyThread")); |
504 |
|
} |
505 |
|
|
506 |
|
/** |
507 |
|
* execute(null runnable) throws NullPointerException |
508 |
|
*/ |
509 |
|
public void testExecuteNullRunnable() { |
510 |
+ |
ExecutorService e = new ForkJoinPool(1); |
511 |
|
try { |
512 |
< |
ExecutorService e = new ForkJoinPool(1); |
606 |
< |
TrackedShortRunnable task = null; |
607 |
< |
Future<?> future = e.submit(task); |
512 |
> |
Future<?> future = e.submit((Runnable) null); |
513 |
|
shouldThrow(); |
514 |
|
} catch (NullPointerException success) { |
515 |
+ |
} finally { |
516 |
+ |
joinPool(e); |
517 |
|
} |
518 |
|
} |
519 |
|
|
613 |
– |
|
520 |
|
/** |
521 |
|
* submit(null callable) throws NullPointerException |
522 |
|
*/ |
523 |
|
public void testSubmitNullCallable() { |
524 |
+ |
ExecutorService e = new ForkJoinPool(1); |
525 |
|
try { |
526 |
< |
ExecutorService e = new ForkJoinPool(1); |
620 |
< |
StringTask t = null; |
621 |
< |
Future<String> future = e.submit(t); |
526 |
> |
Future<String> future = e.submit((Callable) null); |
527 |
|
shouldThrow(); |
528 |
|
} catch (NullPointerException success) { |
529 |
+ |
} finally { |
530 |
+ |
joinPool(e); |
531 |
|
} |
532 |
|
} |
533 |
|
|
627 |
– |
|
534 |
|
/** |
535 |
< |
* Blocking on submit(callable) throws InterruptedException if |
630 |
< |
* caller interrupted. |
535 |
> |
* submit(callable).get() throws InterruptedException if interrupted |
536 |
|
*/ |
537 |
|
public void testInterruptedSubmit() throws InterruptedException { |
538 |
< |
final ForkJoinPool p = new ForkJoinPool(1); |
539 |
< |
|
540 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
541 |
< |
void realRun() throws Throwable { |
542 |
< |
p.submit(new CheckedCallable<Object>() { |
543 |
< |
public Object realCall() throws Throwable { |
544 |
< |
try { |
545 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
546 |
< |
} catch (InterruptedException ok) { |
547 |
< |
} |
548 |
< |
return null; |
549 |
< |
}}).get(); |
550 |
< |
}}); |
551 |
< |
|
552 |
< |
t.start(); |
553 |
< |
Thread.sleep(SHORT_DELAY_MS); |
554 |
< |
t.interrupt(); |
555 |
< |
t.join(); |
556 |
< |
p.shutdownNow(); |
557 |
< |
joinPool(p); |
538 |
> |
final CountDownLatch submitted = new CountDownLatch(1); |
539 |
> |
final CountDownLatch quittingTime = new CountDownLatch(1); |
540 |
> |
final ExecutorService p = new ForkJoinPool(1); |
541 |
> |
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
542 |
> |
public Void realCall() throws InterruptedException { |
543 |
> |
assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
544 |
> |
return null; |
545 |
> |
}}; |
546 |
> |
try { |
547 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
548 |
> |
public void realRun() throws Exception { |
549 |
> |
Future<Void> future = p.submit(awaiter); |
550 |
> |
submitted.countDown(); |
551 |
> |
future.get(); |
552 |
> |
}}); |
553 |
> |
t.start(); |
554 |
> |
assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
555 |
> |
t.interrupt(); |
556 |
> |
t.join(); |
557 |
> |
} finally { |
558 |
> |
quittingTime.countDown(); |
559 |
> |
joinPool(p); |
560 |
> |
} |
561 |
|
} |
562 |
|
|
563 |
|
/** |
574 |
|
}}).get(); |
575 |
|
shouldThrow(); |
576 |
|
} catch (ExecutionException success) { |
577 |
+ |
assertTrue(success.getCause() instanceof ArithmeticException); |
578 |
+ |
} finally { |
579 |
+ |
joinPool(p); |
580 |
|
} |
670 |
– |
joinPool(p); |
581 |
|
} |
582 |
|
|
583 |
|
/** |
609 |
|
} |
610 |
|
|
611 |
|
/** |
612 |
< |
* invokeAny(c) throws NullPointerException if c has null elements |
612 |
> |
* invokeAny(c) throws NullPointerException if c has a single null element |
613 |
|
*/ |
614 |
|
public void testInvokeAny3() throws Throwable { |
615 |
|
ExecutorService e = new ForkJoinPool(1); |
616 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
617 |
+ |
l.add(null); |
618 |
|
try { |
707 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
708 |
– |
l.add(new StringTask()); |
709 |
– |
l.add(null); |
619 |
|
e.invokeAny(l); |
620 |
|
shouldThrow(); |
621 |
|
} catch (NullPointerException success) { |
625 |
|
} |
626 |
|
|
627 |
|
/** |
628 |
< |
* invokeAny(c) throws ExecutionException if no task in c completes |
628 |
> |
* invokeAny(c) throws NullPointerException if c has null elements |
629 |
|
*/ |
630 |
|
public void testInvokeAny4() throws Throwable { |
631 |
+ |
CountDownLatch latch = new CountDownLatch(1); |
632 |
+ |
ExecutorService e = new ForkJoinPool(1); |
633 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
634 |
+ |
l.add(latchAwaitingStringTask(latch)); |
635 |
+ |
l.add(null); |
636 |
+ |
try { |
637 |
+ |
e.invokeAny(l); |
638 |
+ |
shouldThrow(); |
639 |
+ |
} catch (NullPointerException success) { |
640 |
+ |
} finally { |
641 |
+ |
latch.countDown(); |
642 |
+ |
joinPool(e); |
643 |
+ |
} |
644 |
+ |
} |
645 |
+ |
|
646 |
+ |
/** |
647 |
+ |
* invokeAny(c) throws ExecutionException if no task in c completes |
648 |
+ |
*/ |
649 |
+ |
public void testInvokeAny5() throws Throwable { |
650 |
|
ExecutorService e = new ForkJoinPool(1); |
651 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
652 |
+ |
l.add(new NPETask()); |
653 |
|
try { |
724 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
725 |
– |
l.add(new NPETask()); |
654 |
|
e.invokeAny(l); |
655 |
|
shouldThrow(); |
656 |
|
} catch (ExecutionException success) { |
657 |
+ |
assertTrue(success.getCause() instanceof NullPointerException); |
658 |
|
} finally { |
659 |
|
joinPool(e); |
660 |
|
} |
663 |
|
/** |
664 |
|
* invokeAny(c) returns result of some task in c if at least one completes |
665 |
|
*/ |
666 |
< |
public void testInvokeAny5() throws Throwable { |
666 |
> |
public void testInvokeAny6() throws Throwable { |
667 |
|
ExecutorService e = new ForkJoinPool(1); |
668 |
|
try { |
669 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
669 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
670 |
|
l.add(new StringTask()); |
671 |
|
l.add(new StringTask()); |
672 |
|
String result = e.invokeAny(l); |
709 |
|
*/ |
710 |
|
public void testInvokeAll3() throws InterruptedException { |
711 |
|
ExecutorService e = new ForkJoinPool(1); |
712 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
713 |
+ |
l.add(new StringTask()); |
714 |
+ |
l.add(null); |
715 |
|
try { |
784 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
785 |
– |
l.add(new StringTask()); |
786 |
– |
l.add(null); |
716 |
|
e.invokeAll(l); |
717 |
|
shouldThrow(); |
718 |
|
} catch (NullPointerException success) { |
727 |
|
*/ |
728 |
|
public void testInvokeAll4() throws Throwable { |
729 |
|
ExecutorService e = new ForkJoinPool(1); |
730 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
731 |
+ |
l.add(new NPETask()); |
732 |
+ |
List<Future<String>> futures = e.invokeAll(l); |
733 |
+ |
assertEquals(1, futures.size()); |
734 |
|
try { |
735 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
803 |
< |
l.add(new NPETask()); |
804 |
< |
List<Future<String>> result = e.invokeAll(l); |
805 |
< |
assertEquals(1, result.size()); |
806 |
< |
for (Future<String> future : result) |
807 |
< |
future.get(); |
735 |
> |
futures.get(0).get(); |
736 |
|
shouldThrow(); |
737 |
|
} catch (ExecutionException success) { |
738 |
+ |
assertTrue(success.getCause() instanceof NullPointerException); |
739 |
|
} finally { |
740 |
|
joinPool(e); |
741 |
|
} |
747 |
|
public void testInvokeAll5() throws Throwable { |
748 |
|
ExecutorService e = new ForkJoinPool(1); |
749 |
|
try { |
750 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
750 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
751 |
|
l.add(new StringTask()); |
752 |
|
l.add(new StringTask()); |
753 |
< |
List<Future<String>> result = e.invokeAll(l); |
754 |
< |
assertEquals(2, result.size()); |
755 |
< |
for (Future<String> future : result) |
753 |
> |
List<Future<String>> futures = e.invokeAll(l); |
754 |
> |
assertEquals(2, futures.size()); |
755 |
> |
for (Future<String> future : futures) |
756 |
|
assertSame(TEST_STRING, future.get()); |
757 |
|
} finally { |
758 |
|
joinPool(e); |
759 |
|
} |
760 |
|
} |
761 |
|
|
833 |
– |
|
762 |
|
/** |
763 |
|
* timed invokeAny(null) throws NullPointerException |
764 |
|
*/ |
778 |
|
*/ |
779 |
|
public void testTimedInvokeAnyNullTimeUnit() throws Throwable { |
780 |
|
ExecutorService e = new ForkJoinPool(1); |
781 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
782 |
+ |
l.add(new StringTask()); |
783 |
|
try { |
854 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
855 |
– |
l.add(new StringTask()); |
784 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
785 |
|
shouldThrow(); |
786 |
|
} catch (NullPointerException success) { |
808 |
|
* timed invokeAny(c) throws NullPointerException if c has null elements |
809 |
|
*/ |
810 |
|
public void testTimedInvokeAny3() throws Throwable { |
811 |
+ |
CountDownLatch latch = new CountDownLatch(1); |
812 |
|
ExecutorService e = new ForkJoinPool(1); |
813 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
814 |
+ |
l.add(latchAwaitingStringTask(latch)); |
815 |
+ |
l.add(null); |
816 |
|
try { |
885 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
886 |
– |
l.add(new StringTask()); |
887 |
– |
l.add(null); |
817 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
818 |
|
shouldThrow(); |
819 |
|
} catch (NullPointerException success) { |
820 |
|
} finally { |
821 |
+ |
latch.countDown(); |
822 |
|
joinPool(e); |
823 |
|
} |
824 |
|
} |
828 |
|
*/ |
829 |
|
public void testTimedInvokeAny4() throws Throwable { |
830 |
|
ExecutorService e = new ForkJoinPool(1); |
831 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
832 |
+ |
l.add(new NPETask()); |
833 |
|
try { |
902 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
903 |
– |
l.add(new NPETask()); |
834 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
835 |
|
shouldThrow(); |
836 |
|
} catch (ExecutionException success) { |
837 |
+ |
assertTrue(success.getCause() instanceof NullPointerException); |
838 |
|
} finally { |
839 |
|
joinPool(e); |
840 |
|
} |
846 |
|
public void testTimedInvokeAny5() throws Throwable { |
847 |
|
ExecutorService e = new ForkJoinPool(1); |
848 |
|
try { |
849 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
849 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
850 |
|
l.add(new StringTask()); |
851 |
|
l.add(new StringTask()); |
852 |
|
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
875 |
|
*/ |
876 |
|
public void testTimedInvokeAllNullTimeUnit() throws Throwable { |
877 |
|
ExecutorService e = new ForkJoinPool(1); |
878 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
879 |
+ |
l.add(new StringTask()); |
880 |
|
try { |
948 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
949 |
– |
l.add(new StringTask()); |
881 |
|
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
882 |
|
shouldThrow(); |
883 |
|
} catch (NullPointerException success) { |
906 |
|
*/ |
907 |
|
public void testTimedInvokeAll3() throws InterruptedException { |
908 |
|
ExecutorService e = new ForkJoinPool(1); |
909 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
910 |
+ |
l.add(new StringTask()); |
911 |
+ |
l.add(null); |
912 |
|
try { |
979 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
980 |
– |
l.add(new StringTask()); |
981 |
– |
l.add(null); |
913 |
|
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
914 |
|
shouldThrow(); |
915 |
|
} catch (NullPointerException success) { |
923 |
|
*/ |
924 |
|
public void testTimedInvokeAll4() throws Throwable { |
925 |
|
ExecutorService e = new ForkJoinPool(1); |
926 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
927 |
+ |
l.add(new NPETask()); |
928 |
+ |
List<Future<String>> futures |
929 |
+ |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
930 |
+ |
assertEquals(1, futures.size()); |
931 |
|
try { |
932 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
997 |
< |
l.add(new NPETask()); |
998 |
< |
List<Future<String>> result |
999 |
< |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1000 |
< |
assertEquals(1, result.size()); |
1001 |
< |
for (Future<String> future : result) |
1002 |
< |
future.get(); |
932 |
> |
futures.get(0).get(); |
933 |
|
shouldThrow(); |
934 |
|
} catch (ExecutionException success) { |
935 |
+ |
assertTrue(success.getCause() instanceof NullPointerException); |
936 |
|
} finally { |
937 |
|
joinPool(e); |
938 |
|
} |
944 |
|
public void testTimedInvokeAll5() throws Throwable { |
945 |
|
ExecutorService e = new ForkJoinPool(1); |
946 |
|
try { |
947 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
947 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
948 |
|
l.add(new StringTask()); |
949 |
|
l.add(new StringTask()); |
950 |
< |
List<Future<String>> result |
950 |
> |
List<Future<String>> futures |
951 |
|
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
952 |
< |
assertEquals(2, result.size()); |
953 |
< |
for (Future<String> future : result) |
952 |
> |
assertEquals(2, futures.size()); |
953 |
> |
for (Future<String> future : futures) |
954 |
|
assertSame(TEST_STRING, future.get()); |
955 |
|
} finally { |
956 |
|
joinPool(e); |