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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.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 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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|
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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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* 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 { |
211 |
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joinPool(p); |
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} |
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} |
214 |
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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(); |
225 |
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} catch (IllegalArgumentException success) { |
208 |
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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; |
218 |
> |
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); |
220 |
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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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} |
245 |
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} |
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|
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/** |
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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 |
< |
p.setMaximumPoolSize(2); |
255 |
< |
assertTrue(p.getMaximumPoolSize() == 2); |
256 |
< |
} finally { |
257 |
< |
joinPool(p); |
258 |
< |
} |
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 |
< |
ForkJoinPool p = null; |
266 |
< |
try { |
267 |
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p = new ForkJoinPool(1); |
268 |
< |
p.setMaximumPoolSize(-2); |
269 |
< |
shouldThrow(); |
270 |
< |
} catch (IllegalArgumentException success) { |
271 |
< |
} finally { |
272 |
< |
joinPool(p); |
273 |
< |
} |
274 |
< |
} |
275 |
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|
276 |
< |
/** |
277 |
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* setMaintainsParallelism changes policy reported by |
278 |
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* getMaintainsParallelism. |
279 |
< |
*/ |
280 |
< |
public void testSetMaintainsParallelism() { |
281 |
< |
ForkJoinPool p = null; |
282 |
< |
try { |
283 |
< |
p = new ForkJoinPool(1); |
284 |
< |
p.setMaintainsParallelism(false); |
285 |
< |
assertFalse(p.getMaintainsParallelism()); |
286 |
< |
} finally { |
287 |
< |
joinPool(p); |
288 |
< |
} |
289 |
< |
} |
290 |
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|
291 |
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/** |
292 |
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* setAsyncMode changes policy reported by |
293 |
< |
* getAsyncMode. |
294 |
< |
*/ |
295 |
< |
public void testSetAsyncMode() { |
296 |
< |
ForkJoinPool p = null; |
297 |
< |
try { |
298 |
< |
p = new ForkJoinPool(1); |
299 |
< |
p.setAsyncMode(true); |
300 |
< |
assertTrue(p.getAsyncMode()); |
222 |
> |
assertEquals(1, p.getPoolSize()); |
223 |
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} finally { |
224 |
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joinPool(p); |
225 |
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} |
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* performs its defined action |
233 |
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*/ |
234 |
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public void testSetUncaughtExceptionHandler() throws InterruptedException { |
235 |
< |
ForkJoinPool p = null; |
236 |
< |
try { |
237 |
< |
p = new ForkJoinPool(1, new FailingThreadFactory()); |
238 |
< |
MyHandler eh = new MyHandler(); |
239 |
< |
p.setUncaughtExceptionHandler(eh); |
240 |
< |
assertEquals(eh, p.getUncaughtExceptionHandler()); |
241 |
< |
p.execute(new FailingTask()); |
242 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
243 |
< |
assertTrue(eh.catches > 0); |
235 |
> |
final CountDownLatch uehInvoked = new CountDownLatch(1); |
236 |
> |
final Thread.UncaughtExceptionHandler eh = |
237 |
> |
new Thread.UncaughtExceptionHandler() { |
238 |
> |
public void uncaughtException(Thread t, Throwable e) { |
239 |
> |
uehInvoked.countDown(); |
240 |
> |
}}; |
241 |
> |
ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), |
242 |
> |
eh, false); |
243 |
> |
try { |
244 |
> |
assertSame(eh, p.getUncaughtExceptionHandler()); |
245 |
> |
try { |
246 |
> |
p.execute(new FibTask(8)); |
247 |
> |
assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
248 |
> |
} catch (RejectedExecutionException ok) { |
249 |
> |
} |
250 |
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} finally { |
251 |
+ |
p.shutdownNow(); // failure might have prevented processing task |
252 |
|
joinPool(p); |
253 |
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} |
254 |
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} |
255 |
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|
256 |
|
/** |
257 |
< |
* setUncaughtExceptionHandler of null removes handler |
257 |
> |
* After invoking a single task, isQuiescent eventually becomes |
258 |
> |
* true, at which time queues are empty, threads are not active, |
259 |
> |
* the task has completed successfully, and construction |
260 |
> |
* parameters continue to hold |
261 |
|
*/ |
262 |
< |
public void testSetUncaughtExceptionHandler2() { |
263 |
< |
ForkJoinPool p = null; |
262 |
> |
public void testIsQuiescent() throws Exception { |
263 |
> |
ForkJoinPool p = new ForkJoinPool(2); |
264 |
|
try { |
265 |
< |
p = new ForkJoinPool(1); |
266 |
< |
p.setUncaughtExceptionHandler(null); |
267 |
< |
assertNull(p.getUncaughtExceptionHandler()); |
268 |
< |
} finally { |
269 |
< |
joinPool(p); |
270 |
< |
} |
271 |
< |
} |
272 |
< |
|
265 |
> |
assertTrue(p.isQuiescent()); |
266 |
> |
long startTime = System.nanoTime(); |
267 |
> |
FibTask f = new FibTask(20); |
268 |
> |
p.invoke(f); |
269 |
> |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
270 |
> |
p.getFactory()); |
271 |
> |
while (! p.isQuiescent()) { |
272 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
273 |
> |
throw new AssertionFailedError("timed out"); |
274 |
> |
assertFalse(p.getAsyncMode()); |
275 |
> |
assertFalse(p.isShutdown()); |
276 |
> |
assertFalse(p.isTerminating()); |
277 |
> |
assertFalse(p.isTerminated()); |
278 |
> |
Thread.yield(); |
279 |
> |
} |
280 |
|
|
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); |
281 |
|
assertTrue(p.isQuiescent()); |
356 |
– |
assertTrue(p.getMaintainsParallelism()); |
282 |
|
assertFalse(p.getAsyncMode()); |
283 |
< |
assertTrue(p.getActiveThreadCount() == 0); |
284 |
< |
assertTrue(p.getQueuedTaskCount() == 0); |
285 |
< |
assertTrue(p.getQueuedSubmissionCount() == 0); |
283 |
> |
assertEquals(0, p.getActiveThreadCount()); |
284 |
> |
assertEquals(0, p.getQueuedTaskCount()); |
285 |
> |
assertEquals(0, p.getQueuedSubmissionCount()); |
286 |
|
assertFalse(p.hasQueuedSubmissions()); |
287 |
|
assertFalse(p.isShutdown()); |
288 |
|
assertFalse(p.isTerminating()); |
289 |
|
assertFalse(p.isTerminated()); |
290 |
+ |
assertTrue(f.isDone()); |
291 |
+ |
assertEquals(6765, (int) f.get()); |
292 |
|
} finally { |
293 |
|
joinPool(p); |
294 |
|
} |
298 |
|
* Completed submit(ForkJoinTask) returns result |
299 |
|
*/ |
300 |
|
public void testSubmitForkJoinTask() throws Throwable { |
301 |
< |
ForkJoinPool p = null; |
301 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
302 |
|
try { |
376 |
– |
p = new ForkJoinPool(1); |
303 |
|
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
304 |
< |
int r = f.get(); |
379 |
< |
assertTrue(r == 21); |
304 |
> |
assertEquals(21, (int) f.get()); |
305 |
|
} finally { |
306 |
|
joinPool(p); |
307 |
|
} |
311 |
|
* A task submitted after shutdown is rejected |
312 |
|
*/ |
313 |
|
public void testSubmitAfterShutdown() { |
314 |
< |
ForkJoinPool p = null; |
314 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
315 |
|
try { |
391 |
– |
p = new ForkJoinPool(1); |
316 |
|
p.shutdown(); |
317 |
|
assertTrue(p.isShutdown()); |
318 |
< |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
319 |
< |
shouldThrow(); |
320 |
< |
} catch (RejectedExecutionException success) { |
318 |
> |
try { |
319 |
> |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
320 |
> |
shouldThrow(); |
321 |
> |
} catch (RejectedExecutionException success) {} |
322 |
|
} finally { |
323 |
|
joinPool(p); |
324 |
|
} |
328 |
|
* Pool maintains parallelism when using ManagedBlocker |
329 |
|
*/ |
330 |
|
public void testBlockingForkJoinTask() throws Throwable { |
331 |
< |
ForkJoinPool p = null; |
331 |
> |
ForkJoinPool p = new ForkJoinPool(4); |
332 |
|
try { |
408 |
– |
p = new ForkJoinPool(4); |
333 |
|
ReentrantLock lock = new ReentrantLock(); |
334 |
|
ManagedLocker locker = new ManagedLocker(lock); |
335 |
< |
ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock); |
335 |
> |
ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock); |
336 |
|
p.execute(f); |
337 |
< |
assertTrue(p.getPoolSize() >= 4); |
414 |
< |
int r = f.get(); |
415 |
< |
assertTrue(r == 832040); |
337 |
> |
assertEquals(6765, (int) f.get()); |
338 |
|
} finally { |
339 |
|
p.shutdownNow(); // don't wait out shutdown |
340 |
|
} |
344 |
|
* pollSubmission returns unexecuted submitted task, if present |
345 |
|
*/ |
346 |
|
public void testPollSubmission() { |
347 |
< |
SubFJP p = null; |
347 |
> |
final CountDownLatch done = new CountDownLatch(1); |
348 |
> |
SubFJP p = new SubFJP(); |
349 |
|
try { |
350 |
< |
p = new SubFJP(); |
351 |
< |
ForkJoinTask a = p.submit(new MediumRunnable()); |
352 |
< |
ForkJoinTask b = p.submit(new MediumRunnable()); |
430 |
< |
ForkJoinTask c = p.submit(new MediumRunnable()); |
350 |
> |
ForkJoinTask a = p.submit(awaiter(done)); |
351 |
> |
ForkJoinTask b = p.submit(awaiter(done)); |
352 |
> |
ForkJoinTask c = p.submit(awaiter(done)); |
353 |
|
ForkJoinTask r = p.pollSubmission(); |
354 |
|
assertTrue(r == a || r == b || r == c); |
355 |
|
assertFalse(r.isDone()); |
356 |
|
} finally { |
357 |
+ |
done.countDown(); |
358 |
|
joinPool(p); |
359 |
|
} |
360 |
|
} |
363 |
|
* drainTasksTo transfers unexecuted submitted tasks, if present |
364 |
|
*/ |
365 |
|
public void testDrainTasksTo() { |
366 |
< |
SubFJP p = null; |
366 |
> |
final CountDownLatch done = new CountDownLatch(1); |
367 |
> |
SubFJP p = new SubFJP(); |
368 |
|
try { |
369 |
< |
p = new SubFJP(); |
370 |
< |
ForkJoinTask a = p.submit(new MediumRunnable()); |
371 |
< |
ForkJoinTask b = p.submit(new MediumRunnable()); |
448 |
< |
ForkJoinTask c = p.submit(new MediumRunnable()); |
369 |
> |
ForkJoinTask a = p.submit(awaiter(done)); |
370 |
> |
ForkJoinTask b = p.submit(awaiter(done)); |
371 |
> |
ForkJoinTask c = p.submit(awaiter(done)); |
372 |
|
ArrayList<ForkJoinTask> al = new ArrayList(); |
373 |
|
p.drainTasksTo(al); |
374 |
|
assertTrue(al.size() > 0); |
377 |
|
assertFalse(r.isDone()); |
378 |
|
} |
379 |
|
} finally { |
380 |
+ |
done.countDown(); |
381 |
|
joinPool(p); |
382 |
|
} |
383 |
|
} |
384 |
|
|
461 |
– |
|
385 |
|
// FJ Versions of AbstractExecutorService tests |
386 |
|
|
387 |
|
/** |
389 |
|
*/ |
390 |
|
public void testExecuteRunnable() throws Throwable { |
391 |
|
ExecutorService e = new ForkJoinPool(1); |
392 |
< |
TrackedShortRunnable task = new TrackedShortRunnable(); |
393 |
< |
assertFalse(task.done); |
394 |
< |
Future<?> future = e.submit(task); |
395 |
< |
future.get(); |
396 |
< |
assertTrue(task.done); |
392 |
> |
try { |
393 |
> |
final AtomicBoolean done = new AtomicBoolean(false); |
394 |
> |
CheckedRunnable task = new CheckedRunnable() { |
395 |
> |
public void realRun() { |
396 |
> |
done.set(true); |
397 |
> |
}}; |
398 |
> |
Future<?> future = e.submit(task); |
399 |
> |
assertNull(future.get()); |
400 |
> |
assertNull(future.get(0, MILLISECONDS)); |
401 |
> |
assertTrue(done.get()); |
402 |
> |
assertTrue(future.isDone()); |
403 |
> |
assertFalse(future.isCancelled()); |
404 |
> |
} finally { |
405 |
> |
joinPool(e); |
406 |
> |
} |
407 |
|
} |
408 |
|
|
476 |
– |
|
409 |
|
/** |
410 |
|
* Completed submit(callable) returns result |
411 |
|
*/ |
412 |
|
public void testSubmitCallable() throws Throwable { |
413 |
|
ExecutorService e = new ForkJoinPool(1); |
414 |
< |
Future<String> future = e.submit(new StringTask()); |
415 |
< |
String result = future.get(); |
416 |
< |
assertSame(TEST_STRING, result); |
414 |
> |
try { |
415 |
> |
Future<String> future = e.submit(new StringTask()); |
416 |
> |
assertSame(TEST_STRING, future.get()); |
417 |
> |
assertTrue(future.isDone()); |
418 |
> |
assertFalse(future.isCancelled()); |
419 |
> |
} finally { |
420 |
> |
joinPool(e); |
421 |
> |
} |
422 |
|
} |
423 |
|
|
424 |
|
/** |
426 |
|
*/ |
427 |
|
public void testSubmitRunnable() throws Throwable { |
428 |
|
ExecutorService e = new ForkJoinPool(1); |
429 |
< |
Future<?> future = e.submit(new NoOpRunnable()); |
430 |
< |
future.get(); |
431 |
< |
assertTrue(future.isDone()); |
429 |
> |
try { |
430 |
> |
Future<?> future = e.submit(new NoOpRunnable()); |
431 |
> |
assertNull(future.get()); |
432 |
> |
assertTrue(future.isDone()); |
433 |
> |
assertFalse(future.isCancelled()); |
434 |
> |
} finally { |
435 |
> |
joinPool(e); |
436 |
> |
} |
437 |
|
} |
438 |
|
|
439 |
|
/** |
441 |
|
*/ |
442 |
|
public void testSubmitRunnable2() throws Throwable { |
443 |
|
ExecutorService e = new ForkJoinPool(1); |
444 |
< |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
445 |
< |
String result = future.get(); |
446 |
< |
assertSame(TEST_STRING, result); |
444 |
> |
try { |
445 |
> |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
446 |
> |
assertSame(TEST_STRING, future.get()); |
447 |
> |
assertTrue(future.isDone()); |
448 |
> |
assertFalse(future.isCancelled()); |
449 |
> |
} finally { |
450 |
> |
joinPool(e); |
451 |
> |
} |
452 |
|
} |
453 |
|
|
507 |
– |
|
454 |
|
/** |
455 |
< |
* A submitted privileged action to completion |
455 |
> |
* A submitted privileged action runs to completion |
456 |
|
*/ |
457 |
< |
public void testSubmitPrivilegedAction() throws Throwable { |
458 |
< |
Policy savedPolicy = null; |
459 |
< |
try { |
460 |
< |
savedPolicy = Policy.getPolicy(); |
461 |
< |
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 { |
457 |
> |
public void testSubmitPrivilegedAction() throws Exception { |
458 |
> |
final Callable callable = Executors.callable(new PrivilegedAction() { |
459 |
> |
public Object run() { return TEST_STRING; }}); |
460 |
> |
Runnable r = new CheckedRunnable() { |
461 |
> |
public void realRun() throws Exception { |
462 |
|
ExecutorService e = new ForkJoinPool(1); |
463 |
< |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
464 |
< |
public Object run() { |
465 |
< |
return TEST_STRING; |
466 |
< |
}})); |
463 |
> |
try { |
464 |
> |
Future future = e.submit(callable); |
465 |
> |
assertSame(TEST_STRING, future.get()); |
466 |
> |
} finally { |
467 |
> |
joinPool(e); |
468 |
> |
} |
469 |
> |
}}; |
470 |
|
|
471 |
< |
Object result = future.get(); |
530 |
< |
assertSame(TEST_STRING, result); |
531 |
< |
} |
532 |
< |
finally { |
533 |
< |
Policy.setPolicy(savedPolicy); |
534 |
< |
} |
471 |
> |
runWithPermissions(r, new RuntimePermission("modifyThread")); |
472 |
|
} |
473 |
|
|
474 |
|
/** |
475 |
< |
* A submitted a privileged exception action runs to completion |
475 |
> |
* A submitted privileged exception action runs to completion |
476 |
|
*/ |
477 |
< |
public void testSubmitPrivilegedExceptionAction() throws Throwable { |
478 |
< |
Policy savedPolicy = null; |
479 |
< |
try { |
480 |
< |
savedPolicy = Policy.getPolicy(); |
481 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
482 |
< |
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 { |
477 |
> |
public void testSubmitPrivilegedExceptionAction() throws Exception { |
478 |
> |
final Callable callable = |
479 |
> |
Executors.callable(new PrivilegedExceptionAction() { |
480 |
> |
public Object run() { return TEST_STRING; }}); |
481 |
> |
Runnable r = new CheckedRunnable() { |
482 |
> |
public void realRun() throws Exception { |
483 |
|
ExecutorService e = new ForkJoinPool(1); |
484 |
< |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
485 |
< |
public Object run() { |
486 |
< |
return TEST_STRING; |
487 |
< |
}})); |
484 |
> |
try { |
485 |
> |
Future future = e.submit(callable); |
486 |
> |
assertSame(TEST_STRING, future.get()); |
487 |
> |
} finally { |
488 |
> |
joinPool(e); |
489 |
> |
} |
490 |
> |
}}; |
491 |
|
|
492 |
< |
Object result = future.get(); |
560 |
< |
assertSame(TEST_STRING, result); |
561 |
< |
} |
562 |
< |
finally { |
563 |
< |
Policy.setPolicy(savedPolicy); |
564 |
< |
} |
492 |
> |
runWithPermissions(r, new RuntimePermission("modifyThread")); |
493 |
|
} |
494 |
|
|
495 |
|
/** |
496 |
|
* A submitted failed privileged exception action reports exception |
497 |
|
*/ |
498 |
< |
public void testSubmitFailedPrivilegedExceptionAction() throws Throwable { |
499 |
< |
Policy savedPolicy = null; |
500 |
< |
try { |
501 |
< |
savedPolicy = Policy.getPolicy(); |
502 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
503 |
< |
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 { |
498 |
> |
public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
499 |
> |
final Callable callable = |
500 |
> |
Executors.callable(new PrivilegedExceptionAction() { |
501 |
> |
public Object run() { throw new IndexOutOfBoundsException(); }}); |
502 |
> |
Runnable r = new CheckedRunnable() { |
503 |
> |
public void realRun() throws Exception { |
504 |
|
ExecutorService e = new ForkJoinPool(1); |
505 |
< |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
506 |
< |
public Object run() throws Exception { |
507 |
< |
throw new IndexOutOfBoundsException(); |
508 |
< |
}})); |
505 |
> |
try { |
506 |
> |
Future future = e.submit(callable); |
507 |
> |
try { |
508 |
> |
future.get(); |
509 |
> |
shouldThrow(); |
510 |
> |
} catch (ExecutionException success) { |
511 |
> |
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
512 |
> |
} |
513 |
> |
} finally { |
514 |
> |
joinPool(e); |
515 |
> |
} |
516 |
> |
}}; |
517 |
|
|
518 |
< |
Object result = future.get(); |
591 |
< |
shouldThrow(); |
592 |
< |
} catch (ExecutionException success) { |
593 |
< |
} finally { |
594 |
< |
Policy.setPolicy(savedPolicy); |
595 |
< |
} |
518 |
> |
runWithPermissions(r, new RuntimePermission("modifyThread")); |
519 |
|
} |
520 |
|
|
521 |
|
/** |
522 |
|
* execute(null runnable) throws NullPointerException |
523 |
|
*/ |
524 |
|
public void testExecuteNullRunnable() { |
525 |
+ |
ExecutorService e = new ForkJoinPool(1); |
526 |
|
try { |
527 |
< |
ExecutorService e = new ForkJoinPool(1); |
604 |
< |
TrackedShortRunnable task = null; |
605 |
< |
Future<?> future = e.submit(task); |
527 |
> |
Future<?> future = e.submit((Runnable) null); |
528 |
|
shouldThrow(); |
529 |
< |
} catch (NullPointerException success) {} |
529 |
> |
} catch (NullPointerException success) { |
530 |
> |
} finally { |
531 |
> |
joinPool(e); |
532 |
> |
} |
533 |
|
} |
534 |
|
|
610 |
– |
|
535 |
|
/** |
536 |
|
* submit(null callable) throws NullPointerException |
537 |
|
*/ |
538 |
|
public void testSubmitNullCallable() { |
539 |
+ |
ExecutorService e = new ForkJoinPool(1); |
540 |
|
try { |
541 |
< |
ExecutorService e = new ForkJoinPool(1); |
617 |
< |
StringTask t = null; |
618 |
< |
Future<String> future = e.submit(t); |
541 |
> |
Future<String> future = e.submit((Callable) null); |
542 |
|
shouldThrow(); |
543 |
< |
} catch (NullPointerException success) {} |
543 |
> |
} catch (NullPointerException success) { |
544 |
> |
} finally { |
545 |
> |
joinPool(e); |
546 |
> |
} |
547 |
|
} |
548 |
|
|
623 |
– |
|
549 |
|
/** |
550 |
< |
* Blocking on submit(callable) throws InterruptedException if |
626 |
< |
* caller interrupted. |
550 |
> |
* submit(callable).get() throws InterruptedException if interrupted |
551 |
|
*/ |
552 |
|
public void testInterruptedSubmit() throws InterruptedException { |
553 |
< |
final ForkJoinPool p = new ForkJoinPool(1); |
554 |
< |
|
555 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
556 |
< |
void realRun() throws Throwable { |
557 |
< |
p.submit(new CheckedCallable<Object>() { |
558 |
< |
public Object realCall() throws Throwable { |
559 |
< |
try { |
560 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
561 |
< |
} catch (InterruptedException ok) { |
562 |
< |
} |
563 |
< |
return null; |
564 |
< |
}}).get(); |
565 |
< |
}}); |
566 |
< |
|
567 |
< |
t.start(); |
568 |
< |
Thread.sleep(SHORT_DELAY_MS); |
569 |
< |
t.interrupt(); |
570 |
< |
t.join(); |
571 |
< |
p.shutdownNow(); |
572 |
< |
joinPool(p); |
553 |
> |
final CountDownLatch submitted = new CountDownLatch(1); |
554 |
> |
final CountDownLatch quittingTime = new CountDownLatch(1); |
555 |
> |
final ExecutorService p = new ForkJoinPool(1); |
556 |
> |
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
557 |
> |
public Void realCall() throws InterruptedException { |
558 |
> |
assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
559 |
> |
return null; |
560 |
> |
}}; |
561 |
> |
try { |
562 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
563 |
> |
public void realRun() throws Exception { |
564 |
> |
Future<Void> future = p.submit(awaiter); |
565 |
> |
submitted.countDown(); |
566 |
> |
future.get(); |
567 |
> |
}}); |
568 |
> |
t.start(); |
569 |
> |
assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
570 |
> |
t.interrupt(); |
571 |
> |
t.join(); |
572 |
> |
} finally { |
573 |
> |
quittingTime.countDown(); |
574 |
> |
joinPool(p); |
575 |
> |
} |
576 |
|
} |
577 |
|
|
578 |
|
/** |
583 |
|
ForkJoinPool p = new ForkJoinPool(1); |
584 |
|
try { |
585 |
|
p.submit(new Callable() { |
586 |
< |
public Object call() { |
587 |
< |
int i = 5/0; |
661 |
< |
return Boolean.TRUE; |
662 |
< |
}}).get(); |
586 |
> |
public Object call() { throw new ArithmeticException(); }}) |
587 |
> |
.get(); |
588 |
|
shouldThrow(); |
589 |
< |
} catch (ExecutionException success) {} |
590 |
< |
|
591 |
< |
joinPool(p); |
589 |
> |
} catch (ExecutionException success) { |
590 |
> |
assertTrue(success.getCause() instanceof ArithmeticException); |
591 |
> |
} finally { |
592 |
> |
joinPool(p); |
593 |
> |
} |
594 |
|
} |
595 |
|
|
596 |
|
/** |
626 |
|
*/ |
627 |
|
public void testInvokeAny3() throws Throwable { |
628 |
|
ExecutorService e = new ForkJoinPool(1); |
629 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
630 |
+ |
l.add(null); |
631 |
|
try { |
703 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
704 |
– |
l.add(null); |
632 |
|
e.invokeAny(l); |
633 |
|
shouldThrow(); |
634 |
|
} catch (NullPointerException success) { |
641 |
|
* invokeAny(c) throws NullPointerException if c has null elements |
642 |
|
*/ |
643 |
|
public void testInvokeAny4() throws Throwable { |
644 |
+ |
CountDownLatch latch = new CountDownLatch(1); |
645 |
|
ExecutorService e = new ForkJoinPool(1); |
646 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
647 |
+ |
l.add(latchAwaitingStringTask(latch)); |
648 |
+ |
l.add(null); |
649 |
|
try { |
719 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
720 |
– |
l.add(new Callable<String>() { |
721 |
– |
public String call() { |
722 |
– |
// The delay gives the pool a chance to notice |
723 |
– |
// the null element. |
724 |
– |
sleepTillInterrupted(SMALL_DELAY_MS); |
725 |
– |
return "foo"; |
726 |
– |
}}); |
727 |
– |
l.add(null); |
650 |
|
e.invokeAny(l); |
651 |
|
shouldThrow(); |
652 |
|
} catch (NullPointerException success) { |
653 |
|
} finally { |
654 |
+ |
latch.countDown(); |
655 |
|
joinPool(e); |
656 |
|
} |
657 |
|
} |
661 |
|
*/ |
662 |
|
public void testInvokeAny5() throws Throwable { |
663 |
|
ExecutorService e = new ForkJoinPool(1); |
664 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
665 |
+ |
l.add(new NPETask()); |
666 |
|
try { |
742 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
743 |
– |
l.add(new NPETask()); |
667 |
|
e.invokeAny(l); |
668 |
|
shouldThrow(); |
669 |
|
} catch (ExecutionException success) { |
670 |
+ |
assertTrue(success.getCause() instanceof NullPointerException); |
671 |
|
} finally { |
672 |
|
joinPool(e); |
673 |
|
} |
679 |
|
public void testInvokeAny6() throws Throwable { |
680 |
|
ExecutorService e = new ForkJoinPool(1); |
681 |
|
try { |
682 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
682 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
683 |
|
l.add(new StringTask()); |
684 |
|
l.add(new StringTask()); |
685 |
|
String result = e.invokeAny(l); |
722 |
|
*/ |
723 |
|
public void testInvokeAll3() throws InterruptedException { |
724 |
|
ExecutorService e = new ForkJoinPool(1); |
725 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
726 |
+ |
l.add(new StringTask()); |
727 |
+ |
l.add(null); |
728 |
|
try { |
802 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
803 |
– |
l.add(new StringTask()); |
804 |
– |
l.add(null); |
729 |
|
e.invokeAll(l); |
730 |
|
shouldThrow(); |
731 |
|
} catch (NullPointerException success) { |
740 |
|
*/ |
741 |
|
public void testInvokeAll4() throws Throwable { |
742 |
|
ExecutorService e = new ForkJoinPool(1); |
743 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
744 |
+ |
l.add(new NPETask()); |
745 |
+ |
List<Future<String>> futures = e.invokeAll(l); |
746 |
+ |
assertEquals(1, futures.size()); |
747 |
|
try { |
748 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
821 |
< |
l.add(new NPETask()); |
822 |
< |
List<Future<String>> result = e.invokeAll(l); |
823 |
< |
assertEquals(1, result.size()); |
824 |
< |
for (Future<String> future : result) |
825 |
< |
future.get(); |
748 |
> |
futures.get(0).get(); |
749 |
|
shouldThrow(); |
750 |
|
} catch (ExecutionException success) { |
751 |
+ |
assertTrue(success.getCause() instanceof NullPointerException); |
752 |
|
} finally { |
753 |
|
joinPool(e); |
754 |
|
} |
760 |
|
public void testInvokeAll5() throws Throwable { |
761 |
|
ExecutorService e = new ForkJoinPool(1); |
762 |
|
try { |
763 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
763 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
764 |
|
l.add(new StringTask()); |
765 |
|
l.add(new StringTask()); |
766 |
< |
List<Future<String>> result = e.invokeAll(l); |
767 |
< |
assertEquals(2, result.size()); |
768 |
< |
for (Future<String> future : result) |
766 |
> |
List<Future<String>> futures = e.invokeAll(l); |
767 |
> |
assertEquals(2, futures.size()); |
768 |
> |
for (Future<String> future : futures) |
769 |
|
assertSame(TEST_STRING, future.get()); |
770 |
|
} finally { |
771 |
|
joinPool(e); |
772 |
|
} |
773 |
|
} |
774 |
|
|
851 |
– |
|
775 |
|
/** |
776 |
|
* timed invokeAny(null) throws NullPointerException |
777 |
|
*/ |
791 |
|
*/ |
792 |
|
public void testTimedInvokeAnyNullTimeUnit() throws Throwable { |
793 |
|
ExecutorService e = new ForkJoinPool(1); |
794 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
795 |
+ |
l.add(new StringTask()); |
796 |
|
try { |
872 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
873 |
– |
l.add(new StringTask()); |
797 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
798 |
|
shouldThrow(); |
799 |
|
} catch (NullPointerException success) { |
821 |
|
* timed invokeAny(c) throws NullPointerException if c has null elements |
822 |
|
*/ |
823 |
|
public void testTimedInvokeAny3() throws Throwable { |
824 |
+ |
CountDownLatch latch = new CountDownLatch(1); |
825 |
|
ExecutorService e = new ForkJoinPool(1); |
826 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
827 |
+ |
l.add(latchAwaitingStringTask(latch)); |
828 |
+ |
l.add(null); |
829 |
|
try { |
903 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
904 |
– |
l.add(new StringTask()); |
905 |
– |
l.add(null); |
830 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
831 |
|
shouldThrow(); |
832 |
|
} catch (NullPointerException success) { |
833 |
|
} finally { |
834 |
+ |
latch.countDown(); |
835 |
|
joinPool(e); |
836 |
|
} |
837 |
|
} |
841 |
|
*/ |
842 |
|
public void testTimedInvokeAny4() throws Throwable { |
843 |
|
ExecutorService e = new ForkJoinPool(1); |
844 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
845 |
+ |
l.add(new NPETask()); |
846 |
|
try { |
920 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
921 |
– |
l.add(new NPETask()); |
847 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
848 |
|
shouldThrow(); |
849 |
|
} catch (ExecutionException success) { |
859 |
|
public void testTimedInvokeAny5() throws Throwable { |
860 |
|
ExecutorService e = new ForkJoinPool(1); |
861 |
|
try { |
862 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
862 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
863 |
|
l.add(new StringTask()); |
864 |
|
l.add(new StringTask()); |
865 |
|
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
888 |
|
*/ |
889 |
|
public void testTimedInvokeAllNullTimeUnit() throws Throwable { |
890 |
|
ExecutorService e = new ForkJoinPool(1); |
891 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
892 |
+ |
l.add(new StringTask()); |
893 |
|
try { |
967 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
968 |
– |
l.add(new StringTask()); |
894 |
|
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
895 |
|
shouldThrow(); |
896 |
|
} catch (NullPointerException success) { |
919 |
|
*/ |
920 |
|
public void testTimedInvokeAll3() throws InterruptedException { |
921 |
|
ExecutorService e = new ForkJoinPool(1); |
922 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
923 |
+ |
l.add(new StringTask()); |
924 |
+ |
l.add(null); |
925 |
|
try { |
998 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
999 |
– |
l.add(new StringTask()); |
1000 |
– |
l.add(null); |
926 |
|
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
927 |
|
shouldThrow(); |
928 |
|
} catch (NullPointerException success) { |
936 |
|
*/ |
937 |
|
public void testTimedInvokeAll4() throws Throwable { |
938 |
|
ExecutorService e = new ForkJoinPool(1); |
939 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
940 |
+ |
l.add(new NPETask()); |
941 |
+ |
List<Future<String>> futures |
942 |
+ |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
943 |
+ |
assertEquals(1, futures.size()); |
944 |
|
try { |
945 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1016 |
< |
l.add(new NPETask()); |
1017 |
< |
List<Future<String>> result |
1018 |
< |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1019 |
< |
assertEquals(1, result.size()); |
1020 |
< |
for (Future<String> future : result) |
1021 |
< |
future.get(); |
945 |
> |
futures.get(0).get(); |
946 |
|
shouldThrow(); |
947 |
|
} catch (ExecutionException success) { |
948 |
+ |
assertTrue(success.getCause() instanceof NullPointerException); |
949 |
|
} finally { |
950 |
|
joinPool(e); |
951 |
|
} |
957 |
|
public void testTimedInvokeAll5() throws Throwable { |
958 |
|
ExecutorService e = new ForkJoinPool(1); |
959 |
|
try { |
960 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
960 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
961 |
|
l.add(new StringTask()); |
962 |
|
l.add(new StringTask()); |
963 |
< |
List<Future<String>> result |
963 |
> |
List<Future<String>> futures |
964 |
|
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
965 |
< |
assertEquals(2, result.size()); |
966 |
< |
for (Future<String> future : result) |
965 |
> |
assertEquals(2, futures.size()); |
966 |
> |
for (Future<String> future : futures) |
967 |
|
assertSame(TEST_STRING, future.get()); |
968 |
|
} finally { |
969 |
|
joinPool(e); |