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* http://creativecommons.org/licenses/publicdomain |
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*/ |
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|
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– |
|
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import junit.framework.*; |
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< |
import java.util.*; |
9 |
< |
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; |
11 |
> |
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; |
20 |
> |
import java.util.concurrent.ForkJoinPool; |
21 |
> |
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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|
59 |
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static class MyHandler implements Thread.UncaughtExceptionHandler { |
60 |
< |
int catches = 0; |
60 |
> |
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 |
73 |
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implements ForkJoinPool.ForkJoinWorkerThreadFactory { |
74 |
< |
int calls = 0; |
74 |
> |
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; |
163 |
> |
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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> |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
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> |
p.getFactory()); |
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assertTrue(p.isQuiescent()); |
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assertTrue(p.getMaintainsParallelism()); |
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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); |
169 |
> |
assertEquals(0, p.getActiveThreadCount()); |
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> |
assertEquals(0, p.getStealCount()); |
171 |
> |
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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* getParallelism returns size set in constructor |
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*/ |
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public void testGetParallelism() { |
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< |
ForkJoinPool p = null; |
192 |
< |
try { |
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< |
p = new ForkJoinPool(1); |
194 |
< |
assertTrue(p.getParallelism() == 1); |
195 |
< |
} finally { |
196 |
< |
joinPool(p); |
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} |
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} |
199 |
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|
200 |
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/** |
201 |
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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); |
207 |
< |
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 |
< |
joinPool(p); |
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} |
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} |
214 |
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|
215 |
< |
/** |
216 |
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* setParallelism with argument <= 0 throws exception |
217 |
< |
*/ |
218 |
< |
public void testSetParallelism2() { |
219 |
< |
ForkJoinPool p = null; |
207 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
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|
try { |
209 |
< |
p = new ForkJoinPool(1); |
222 |
< |
assertTrue(p.getParallelism() == 1); |
223 |
< |
p.setParallelism(-2); |
224 |
< |
shouldThrow(); |
225 |
< |
} catch (IllegalArgumentException success) { |
209 |
> |
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; |
219 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
220 |
|
try { |
221 |
< |
p = new ForkJoinPool(1); |
238 |
< |
assertTrue(p.getPoolSize() == 0); |
221 |
> |
assertEquals(0, p.getActiveThreadCount()); |
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Future<String> future = p.submit(new StringTask()); |
223 |
< |
assertTrue(p.getPoolSize() == 1); |
241 |
< |
|
242 |
< |
} finally { |
243 |
< |
joinPool(p); |
244 |
< |
} |
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} |
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|
247 |
< |
/** |
248 |
< |
* setMaximumPoolSize changes size reported by getMaximumPoolSize. |
249 |
< |
*/ |
250 |
< |
public void testSetMaximumPoolSize() { |
251 |
< |
ForkJoinPool p = null; |
252 |
< |
try { |
253 |
< |
p = new ForkJoinPool(1); |
254 |
< |
p.setMaximumPoolSize(2); |
255 |
< |
assertTrue(p.getMaximumPoolSize() == 2); |
256 |
< |
} finally { |
257 |
< |
joinPool(p); |
258 |
< |
} |
259 |
< |
} |
260 |
< |
|
261 |
< |
/** |
262 |
< |
* setMaximumPoolSize with argument <= 0 throws exception |
263 |
< |
*/ |
264 |
< |
public void testSetMaximumPoolSize2() { |
265 |
< |
ForkJoinPool p = null; |
266 |
< |
try { |
267 |
< |
p = new ForkJoinPool(1); |
268 |
< |
p.setMaximumPoolSize(-2); |
269 |
< |
shouldThrow(); |
270 |
< |
} catch (IllegalArgumentException success) { |
271 |
< |
} finally { |
272 |
< |
joinPool(p); |
273 |
< |
} |
274 |
< |
} |
275 |
< |
|
276 |
< |
/** |
277 |
< |
* setMaintainsParallelism changes policy reported by |
278 |
< |
* 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 |
< |
|
291 |
< |
/** |
292 |
< |
* 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()); |
223 |
> |
assertEquals(1, p.getPoolSize()); |
224 |
|
} finally { |
225 |
|
joinPool(p); |
226 |
|
} |
233 |
|
* performs its defined action |
234 |
|
*/ |
235 |
|
public void testSetUncaughtExceptionHandler() throws InterruptedException { |
236 |
< |
ForkJoinPool p = null; |
237 |
< |
try { |
238 |
< |
p = new ForkJoinPool(1, new FailingThreadFactory()); |
239 |
< |
MyHandler eh = new MyHandler(); |
240 |
< |
p.setUncaughtExceptionHandler(eh); |
241 |
< |
assertEquals(eh, p.getUncaughtExceptionHandler()); |
242 |
< |
p.execute(new FailingTask()); |
243 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
244 |
< |
assertTrue(eh.catches > 0); |
236 |
> |
final CountDownLatch uehInvoked = new CountDownLatch(1); |
237 |
> |
final Thread.UncaughtExceptionHandler eh = |
238 |
> |
new Thread.UncaughtExceptionHandler() { |
239 |
> |
public void uncaughtException(Thread t, Throwable e) { |
240 |
> |
uehInvoked.countDown(); |
241 |
> |
}}; |
242 |
> |
ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), |
243 |
> |
eh, false); |
244 |
> |
try { |
245 |
> |
assertSame(eh, p.getUncaughtExceptionHandler()); |
246 |
> |
p.execute(new FibTask(8)); |
247 |
> |
assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
248 |
|
} finally { |
249 |
+ |
p.shutdownNow(); // failure might have prevented processing task |
250 |
|
joinPool(p); |
251 |
|
} |
252 |
|
} |
253 |
|
|
254 |
|
/** |
328 |
– |
* setUncaughtExceptionHandler of null removes handler |
329 |
– |
*/ |
330 |
– |
public void testSetUncaughtExceptionHandler2() { |
331 |
– |
ForkJoinPool p = null; |
332 |
– |
try { |
333 |
– |
p = new ForkJoinPool(1); |
334 |
– |
p.setUncaughtExceptionHandler(null); |
335 |
– |
assertNull(p.getUncaughtExceptionHandler()); |
336 |
– |
} finally { |
337 |
– |
joinPool(p); |
338 |
– |
} |
339 |
– |
} |
340 |
– |
|
341 |
– |
|
342 |
– |
/** |
255 |
|
* After invoking a single task, isQuiescent is true, |
256 |
|
* queues are empty, threads are not active, and |
257 |
|
* construction parameters continue to hold |
258 |
|
*/ |
259 |
|
public void testisQuiescent() throws InterruptedException { |
260 |
< |
ForkJoinPool p = null; |
260 |
> |
ForkJoinPool p = new ForkJoinPool(2); |
261 |
|
try { |
262 |
< |
p = new ForkJoinPool(2); |
262 |
> |
assertTrue(p.isQuiescent()); |
263 |
|
p.invoke(new FibTask(20)); |
264 |
< |
assertTrue(p.getFactory() == |
265 |
< |
ForkJoinPool.defaultForkJoinWorkerThreadFactory); |
266 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
264 |
> |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
265 |
> |
p.getFactory()); |
266 |
> |
Thread.sleep(SMALL_DELAY_MS); |
267 |
|
assertTrue(p.isQuiescent()); |
356 |
– |
assertTrue(p.getMaintainsParallelism()); |
268 |
|
assertFalse(p.getAsyncMode()); |
269 |
< |
assertTrue(p.getActiveThreadCount() == 0); |
270 |
< |
assertTrue(p.getQueuedTaskCount() == 0); |
271 |
< |
assertTrue(p.getQueuedSubmissionCount() == 0); |
269 |
> |
assertEquals(0, p.getActiveThreadCount()); |
270 |
> |
assertEquals(0, p.getQueuedTaskCount()); |
271 |
> |
assertEquals(0, p.getQueuedSubmissionCount()); |
272 |
|
assertFalse(p.hasQueuedSubmissions()); |
273 |
|
assertFalse(p.isShutdown()); |
274 |
|
assertFalse(p.isTerminating()); |
282 |
|
* Completed submit(ForkJoinTask) returns result |
283 |
|
*/ |
284 |
|
public void testSubmitForkJoinTask() throws Throwable { |
285 |
< |
ForkJoinPool p = null; |
285 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
286 |
|
try { |
376 |
– |
p = new ForkJoinPool(1); |
287 |
|
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
288 |
< |
int r = f.get(); |
379 |
< |
assertTrue(r == 21); |
288 |
> |
assertEquals(21, (int) f.get()); |
289 |
|
} finally { |
290 |
|
joinPool(p); |
291 |
|
} |
295 |
|
* A task submitted after shutdown is rejected |
296 |
|
*/ |
297 |
|
public void testSubmitAfterShutdown() { |
298 |
< |
ForkJoinPool p = null; |
298 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
299 |
|
try { |
391 |
– |
p = new ForkJoinPool(1); |
300 |
|
p.shutdown(); |
301 |
|
assertTrue(p.isShutdown()); |
302 |
< |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
303 |
< |
shouldThrow(); |
304 |
< |
} catch (RejectedExecutionException success) { |
302 |
> |
try { |
303 |
> |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
304 |
> |
shouldThrow(); |
305 |
> |
} catch (RejectedExecutionException success) {} |
306 |
|
} finally { |
307 |
|
joinPool(p); |
308 |
|
} |
312 |
|
* Pool maintains parallelism when using ManagedBlocker |
313 |
|
*/ |
314 |
|
public void testBlockingForkJoinTask() throws Throwable { |
315 |
< |
ForkJoinPool p = null; |
315 |
> |
ForkJoinPool p = new ForkJoinPool(4); |
316 |
|
try { |
408 |
– |
p = new ForkJoinPool(4); |
317 |
|
ReentrantLock lock = new ReentrantLock(); |
318 |
|
ManagedLocker locker = new ManagedLocker(lock); |
319 |
< |
ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock); |
319 |
> |
ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock); |
320 |
|
p.execute(f); |
321 |
< |
assertTrue(p.getPoolSize() >= 4); |
414 |
< |
int r = f.get(); |
415 |
< |
assertTrue(r == 832040); |
321 |
> |
assertEquals(6765, (int) f.get()); |
322 |
|
} finally { |
323 |
|
p.shutdownNow(); // don't wait out shutdown |
324 |
|
} |
328 |
|
* pollSubmission returns unexecuted submitted task, if present |
329 |
|
*/ |
330 |
|
public void testPollSubmission() { |
331 |
< |
SubFJP p = null; |
331 |
> |
SubFJP p = new SubFJP(); |
332 |
|
try { |
333 |
< |
p = new SubFJP(); |
334 |
< |
ForkJoinTask a = p.submit(new MediumRunnable()); |
335 |
< |
ForkJoinTask b = p.submit(new MediumRunnable()); |
430 |
< |
ForkJoinTask c = p.submit(new MediumRunnable()); |
333 |
> |
ForkJoinTask a = p.submit(new ShortRunnable()); |
334 |
> |
ForkJoinTask b = p.submit(new ShortRunnable()); |
335 |
> |
ForkJoinTask c = p.submit(new ShortRunnable()); |
336 |
|
ForkJoinTask r = p.pollSubmission(); |
337 |
|
assertTrue(r == a || r == b || r == c); |
338 |
|
assertFalse(r.isDone()); |
345 |
|
* drainTasksTo transfers unexecuted submitted tasks, if present |
346 |
|
*/ |
347 |
|
public void testDrainTasksTo() { |
348 |
< |
SubFJP p = null; |
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()); |
448 |
< |
ForkJoinTask c = p.submit(new MediumRunnable()); |
350 |
> |
ForkJoinTask a = p.submit(new ShortRunnable()); |
351 |
> |
ForkJoinTask b = p.submit(new ShortRunnable()); |
352 |
> |
ForkJoinTask c = p.submit(new ShortRunnable()); |
353 |
|
ArrayList<ForkJoinTask> al = new ArrayList(); |
354 |
|
p.drainTasksTo(al); |
355 |
|
assertTrue(al.size() > 0); |
370 |
|
*/ |
371 |
|
public void testExecuteRunnable() throws Throwable { |
372 |
|
ExecutorService e = new ForkJoinPool(1); |
373 |
< |
TrackedShortRunnable task = new TrackedShortRunnable(); |
374 |
< |
assertFalse(task.done); |
375 |
< |
Future<?> future = e.submit(task); |
376 |
< |
future.get(); |
377 |
< |
assertTrue(task.done); |
373 |
> |
try { |
374 |
> |
TrackedRunnable task = trackedRunnable(SHORT_DELAY_MS); |
375 |
> |
assertFalse(task.isDone()); |
376 |
> |
Future<?> future = e.submit(task); |
377 |
> |
assertNull(future.get()); |
378 |
> |
assertTrue(task.isDone()); |
379 |
> |
assertFalse(future.isCancelled()); |
380 |
> |
} finally { |
381 |
> |
joinPool(e); |
382 |
> |
} |
383 |
|
} |
384 |
|
|
385 |
|
|
388 |
|
*/ |
389 |
|
public void testSubmitCallable() throws Throwable { |
390 |
|
ExecutorService e = new ForkJoinPool(1); |
391 |
< |
Future<String> future = e.submit(new StringTask()); |
392 |
< |
String result = future.get(); |
393 |
< |
assertSame(TEST_STRING, result); |
391 |
> |
try { |
392 |
> |
Future<String> future = e.submit(new StringTask()); |
393 |
> |
assertSame(TEST_STRING, future.get()); |
394 |
> |
assertTrue(future.isDone()); |
395 |
> |
assertFalse(future.isCancelled()); |
396 |
> |
} finally { |
397 |
> |
joinPool(e); |
398 |
> |
} |
399 |
|
} |
400 |
|
|
401 |
|
/** |
403 |
|
*/ |
404 |
|
public void testSubmitRunnable() throws Throwable { |
405 |
|
ExecutorService e = new ForkJoinPool(1); |
406 |
< |
Future<?> future = e.submit(new NoOpRunnable()); |
407 |
< |
future.get(); |
408 |
< |
assertTrue(future.isDone()); |
406 |
> |
try { |
407 |
> |
Future<?> future = e.submit(new NoOpRunnable()); |
408 |
> |
assertNull(future.get()); |
409 |
> |
assertTrue(future.isDone()); |
410 |
> |
assertFalse(future.isCancelled()); |
411 |
> |
} finally { |
412 |
> |
joinPool(e); |
413 |
> |
} |
414 |
|
} |
415 |
|
|
416 |
|
/** |
418 |
|
*/ |
419 |
|
public void testSubmitRunnable2() throws Throwable { |
420 |
|
ExecutorService e = new ForkJoinPool(1); |
421 |
< |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
422 |
< |
String result = future.get(); |
423 |
< |
assertSame(TEST_STRING, result); |
421 |
> |
try { |
422 |
> |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
423 |
> |
assertSame(TEST_STRING, future.get()); |
424 |
> |
assertTrue(future.isDone()); |
425 |
> |
assertFalse(future.isCancelled()); |
426 |
> |
} finally { |
427 |
> |
joinPool(e); |
428 |
> |
} |
429 |
|
} |
430 |
|
|
431 |
|
|
432 |
|
/** |
433 |
< |
* A submitted privileged action to completion |
433 |
> |
* A submitted privileged action runs to completion |
434 |
|
*/ |
435 |
|
public void testSubmitPrivilegedAction() throws Throwable { |
436 |
|
Policy savedPolicy = null; |
443 |
|
} catch (AccessControlException ok) { |
444 |
|
return; |
445 |
|
} |
446 |
+ |
|
447 |
|
try { |
448 |
|
ExecutorService e = new ForkJoinPool(1); |
449 |
< |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
449 |
> |
try { |
450 |
> |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
451 |
|
public Object run() { |
452 |
|
return TEST_STRING; |
453 |
|
}})); |
454 |
|
|
455 |
< |
Object result = future.get(); |
456 |
< |
assertSame(TEST_STRING, result); |
457 |
< |
} |
458 |
< |
finally { |
455 |
> |
Object result = future.get(); |
456 |
> |
assertSame(TEST_STRING, result); |
457 |
> |
} finally { |
458 |
> |
joinPool(e); |
459 |
> |
} |
460 |
> |
} finally { |
461 |
|
Policy.setPolicy(savedPolicy); |
462 |
|
} |
463 |
|
} |
464 |
|
|
465 |
|
/** |
466 |
< |
* A submitted a privileged exception action runs to completion |
466 |
> |
* A submitted privileged exception action runs to completion |
467 |
|
*/ |
468 |
|
public void testSubmitPrivilegedExceptionAction() throws Throwable { |
469 |
|
Policy savedPolicy = null; |
479 |
|
|
480 |
|
try { |
481 |
|
ExecutorService e = new ForkJoinPool(1); |
482 |
< |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
482 |
> |
try { |
483 |
> |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
484 |
|
public Object run() { |
485 |
|
return TEST_STRING; |
486 |
|
}})); |
487 |
|
|
488 |
< |
Object result = future.get(); |
489 |
< |
assertSame(TEST_STRING, result); |
490 |
< |
} |
491 |
< |
finally { |
488 |
> |
Object result = future.get(); |
489 |
> |
assertSame(TEST_STRING, result); |
490 |
> |
} finally { |
491 |
> |
joinPool(e); |
492 |
> |
} |
493 |
> |
} finally { |
494 |
|
Policy.setPolicy(savedPolicy); |
495 |
|
} |
496 |
|
} |
510 |
|
return; |
511 |
|
} |
512 |
|
|
582 |
– |
|
513 |
|
try { |
514 |
|
ExecutorService e = new ForkJoinPool(1); |
515 |
< |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
515 |
> |
try { |
516 |
> |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
517 |
|
public Object run() throws Exception { |
518 |
|
throw new IndexOutOfBoundsException(); |
519 |
|
}})); |
520 |
|
|
521 |
< |
Object result = future.get(); |
522 |
< |
shouldThrow(); |
523 |
< |
} catch (ExecutionException success) { |
524 |
< |
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
521 |
> |
Object result = future.get(); |
522 |
> |
shouldThrow(); |
523 |
> |
} catch (ExecutionException success) { |
524 |
> |
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
525 |
> |
} finally { |
526 |
> |
joinPool(e); |
527 |
> |
} |
528 |
|
} finally { |
529 |
|
Policy.setPolicy(savedPolicy); |
530 |
|
} |
534 |
|
* execute(null runnable) throws NullPointerException |
535 |
|
*/ |
536 |
|
public void testExecuteNullRunnable() { |
537 |
+ |
ExecutorService e = new ForkJoinPool(1); |
538 |
|
try { |
539 |
< |
ExecutorService e = new ForkJoinPool(1); |
605 |
< |
TrackedShortRunnable task = null; |
606 |
< |
Future<?> future = e.submit(task); |
539 |
> |
Future<?> future = e.submit((Runnable) null); |
540 |
|
shouldThrow(); |
541 |
< |
} catch (NullPointerException success) {} |
541 |
> |
} catch (NullPointerException success) { |
542 |
> |
} finally { |
543 |
> |
joinPool(e); |
544 |
> |
} |
545 |
|
} |
546 |
|
|
547 |
|
|
549 |
|
* submit(null callable) throws NullPointerException |
550 |
|
*/ |
551 |
|
public void testSubmitNullCallable() { |
552 |
+ |
ExecutorService e = new ForkJoinPool(1); |
553 |
|
try { |
554 |
< |
ExecutorService e = new ForkJoinPool(1); |
618 |
< |
StringTask t = null; |
619 |
< |
Future<String> future = e.submit(t); |
554 |
> |
Future<String> future = e.submit((Callable) null); |
555 |
|
shouldThrow(); |
556 |
< |
} catch (NullPointerException success) {} |
556 |
> |
} catch (NullPointerException success) { |
557 |
> |
} finally { |
558 |
> |
joinPool(e); |
559 |
> |
} |
560 |
|
} |
561 |
|
|
562 |
|
|
563 |
|
/** |
564 |
< |
* Blocking on submit(callable) throws InterruptedException if |
627 |
< |
* caller interrupted. |
564 |
> |
* submit(callable).get() throws InterruptedException if interrupted |
565 |
|
*/ |
566 |
|
public void testInterruptedSubmit() throws InterruptedException { |
567 |
< |
final ForkJoinPool p = new ForkJoinPool(1); |
568 |
< |
|
569 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
570 |
< |
void realRun() throws Throwable { |
571 |
< |
p.submit(new CheckedCallable<Object>() { |
572 |
< |
public Object realCall() throws Throwable { |
573 |
< |
try { |
574 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
575 |
< |
} catch (InterruptedException ok) { |
576 |
< |
} |
577 |
< |
return null; |
578 |
< |
}}).get(); |
579 |
< |
}}); |
580 |
< |
|
581 |
< |
t.start(); |
582 |
< |
Thread.sleep(SHORT_DELAY_MS); |
583 |
< |
t.interrupt(); |
584 |
< |
t.join(); |
585 |
< |
p.shutdownNow(); |
586 |
< |
joinPool(p); |
567 |
> |
final CountDownLatch submitted = new CountDownLatch(1); |
568 |
> |
final CountDownLatch quittingTime = new CountDownLatch(1); |
569 |
> |
final ExecutorService p = new ForkJoinPool(1); |
570 |
> |
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
571 |
> |
public Void realCall() throws InterruptedException { |
572 |
> |
assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
573 |
> |
return null; |
574 |
> |
}}; |
575 |
> |
try { |
576 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
577 |
> |
public void realRun() throws Exception { |
578 |
> |
Future<Void> future = p.submit(awaiter); |
579 |
> |
submitted.countDown(); |
580 |
> |
future.get(); |
581 |
> |
}}); |
582 |
> |
t.start(); |
583 |
> |
assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
584 |
> |
t.interrupt(); |
585 |
> |
t.join(); |
586 |
> |
} finally { |
587 |
> |
quittingTime.countDown(); |
588 |
> |
joinPool(p); |
589 |
> |
} |
590 |
|
} |
591 |
|
|
592 |
|
/** |
604 |
|
shouldThrow(); |
605 |
|
} catch (ExecutionException success) { |
606 |
|
assertTrue(success.getCause() instanceof ArithmeticException); |
607 |
+ |
} finally { |
608 |
+ |
joinPool(p); |
609 |
|
} |
668 |
– |
|
669 |
– |
joinPool(p); |
610 |
|
} |
611 |
|
|
612 |
|
/** |
642 |
|
*/ |
643 |
|
public void testInvokeAny3() throws Throwable { |
644 |
|
ExecutorService e = new ForkJoinPool(1); |
645 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
646 |
+ |
l.add(null); |
647 |
|
try { |
706 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
707 |
– |
l.add(null); |
648 |
|
e.invokeAny(l); |
649 |
|
shouldThrow(); |
650 |
|
} catch (NullPointerException success) { |
657 |
|
* invokeAny(c) throws NullPointerException if c has null elements |
658 |
|
*/ |
659 |
|
public void testInvokeAny4() throws Throwable { |
660 |
+ |
CountDownLatch latch = new CountDownLatch(1); |
661 |
|
ExecutorService e = new ForkJoinPool(1); |
662 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
663 |
+ |
l.add(latchAwaitingStringTask(latch)); |
664 |
+ |
l.add(null); |
665 |
|
try { |
722 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
723 |
– |
l.add(new Callable<String>() { |
724 |
– |
public String call() { |
725 |
– |
// The delay gives the pool a chance to notice |
726 |
– |
// the null element. |
727 |
– |
sleepTillInterrupted(SMALL_DELAY_MS); |
728 |
– |
return "foo"; |
729 |
– |
}}); |
730 |
– |
l.add(null); |
666 |
|
e.invokeAny(l); |
667 |
|
shouldThrow(); |
668 |
|
} catch (NullPointerException success) { |
669 |
|
} finally { |
670 |
+ |
latch.countDown(); |
671 |
|
joinPool(e); |
672 |
|
} |
673 |
|
} |
677 |
|
*/ |
678 |
|
public void testInvokeAny5() throws Throwable { |
679 |
|
ExecutorService e = new ForkJoinPool(1); |
680 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
681 |
+ |
l.add(new NPETask()); |
682 |
|
try { |
745 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
746 |
– |
l.add(new NPETask()); |
683 |
|
e.invokeAny(l); |
684 |
|
shouldThrow(); |
685 |
|
} catch (ExecutionException success) { |
695 |
|
public void testInvokeAny6() throws Throwable { |
696 |
|
ExecutorService e = new ForkJoinPool(1); |
697 |
|
try { |
698 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
698 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
699 |
|
l.add(new StringTask()); |
700 |
|
l.add(new StringTask()); |
701 |
|
String result = e.invokeAny(l); |
738 |
|
*/ |
739 |
|
public void testInvokeAll3() throws InterruptedException { |
740 |
|
ExecutorService e = new ForkJoinPool(1); |
741 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
742 |
+ |
l.add(new StringTask()); |
743 |
+ |
l.add(null); |
744 |
|
try { |
806 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
807 |
– |
l.add(new StringTask()); |
808 |
– |
l.add(null); |
745 |
|
e.invokeAll(l); |
746 |
|
shouldThrow(); |
747 |
|
} catch (NullPointerException success) { |
756 |
|
*/ |
757 |
|
public void testInvokeAll4() throws Throwable { |
758 |
|
ExecutorService e = new ForkJoinPool(1); |
759 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
760 |
+ |
l.add(new NPETask()); |
761 |
+ |
List<Future<String>> futures = e.invokeAll(l); |
762 |
+ |
assertEquals(1, futures.size()); |
763 |
|
try { |
764 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
825 |
< |
l.add(new NPETask()); |
826 |
< |
List<Future<String>> result = e.invokeAll(l); |
827 |
< |
assertEquals(1, result.size()); |
828 |
< |
for (Future<String> future : result) |
829 |
< |
future.get(); |
764 |
> |
futures.get(0).get(); |
765 |
|
shouldThrow(); |
766 |
|
} catch (ExecutionException success) { |
767 |
|
assertTrue(success.getCause() instanceof NullPointerException); |
776 |
|
public void testInvokeAll5() throws Throwable { |
777 |
|
ExecutorService e = new ForkJoinPool(1); |
778 |
|
try { |
779 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
779 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
780 |
|
l.add(new StringTask()); |
781 |
|
l.add(new StringTask()); |
782 |
< |
List<Future<String>> result = e.invokeAll(l); |
783 |
< |
assertEquals(2, result.size()); |
784 |
< |
for (Future<String> future : result) |
782 |
> |
List<Future<String>> futures = e.invokeAll(l); |
783 |
> |
assertEquals(2, futures.size()); |
784 |
> |
for (Future<String> future : futures) |
785 |
|
assertSame(TEST_STRING, future.get()); |
786 |
|
} finally { |
787 |
|
joinPool(e); |
808 |
|
*/ |
809 |
|
public void testTimedInvokeAnyNullTimeUnit() throws Throwable { |
810 |
|
ExecutorService e = new ForkJoinPool(1); |
811 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
812 |
+ |
l.add(new StringTask()); |
813 |
|
try { |
877 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
878 |
– |
l.add(new StringTask()); |
814 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
815 |
|
shouldThrow(); |
816 |
|
} catch (NullPointerException success) { |
838 |
|
* timed invokeAny(c) throws NullPointerException if c has null elements |
839 |
|
*/ |
840 |
|
public void testTimedInvokeAny3() throws Throwable { |
841 |
+ |
CountDownLatch latch = new CountDownLatch(1); |
842 |
|
ExecutorService e = new ForkJoinPool(1); |
843 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
844 |
+ |
l.add(latchAwaitingStringTask(latch)); |
845 |
+ |
l.add(null); |
846 |
|
try { |
908 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
909 |
– |
l.add(new StringTask()); |
910 |
– |
l.add(null); |
847 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
848 |
|
shouldThrow(); |
849 |
|
} catch (NullPointerException success) { |
850 |
|
} finally { |
851 |
+ |
latch.countDown(); |
852 |
|
joinPool(e); |
853 |
|
} |
854 |
|
} |
858 |
|
*/ |
859 |
|
public void testTimedInvokeAny4() throws Throwable { |
860 |
|
ExecutorService e = new ForkJoinPool(1); |
861 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
862 |
+ |
l.add(new NPETask()); |
863 |
|
try { |
925 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
926 |
– |
l.add(new NPETask()); |
864 |
|
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
865 |
|
shouldThrow(); |
866 |
|
} catch (ExecutionException success) { |
876 |
|
public void testTimedInvokeAny5() throws Throwable { |
877 |
|
ExecutorService e = new ForkJoinPool(1); |
878 |
|
try { |
879 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
879 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
880 |
|
l.add(new StringTask()); |
881 |
|
l.add(new StringTask()); |
882 |
|
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
905 |
|
*/ |
906 |
|
public void testTimedInvokeAllNullTimeUnit() throws Throwable { |
907 |
|
ExecutorService e = new ForkJoinPool(1); |
908 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
909 |
+ |
l.add(new StringTask()); |
910 |
|
try { |
972 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
973 |
– |
l.add(new StringTask()); |
911 |
|
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
912 |
|
shouldThrow(); |
913 |
|
} catch (NullPointerException success) { |
936 |
|
*/ |
937 |
|
public void testTimedInvokeAll3() throws InterruptedException { |
938 |
|
ExecutorService e = new ForkJoinPool(1); |
939 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
940 |
+ |
l.add(new StringTask()); |
941 |
+ |
l.add(null); |
942 |
|
try { |
1003 |
– |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1004 |
– |
l.add(new StringTask()); |
1005 |
– |
l.add(null); |
943 |
|
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
944 |
|
shouldThrow(); |
945 |
|
} catch (NullPointerException success) { |
953 |
|
*/ |
954 |
|
public void testTimedInvokeAll4() throws Throwable { |
955 |
|
ExecutorService e = new ForkJoinPool(1); |
956 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
957 |
+ |
l.add(new NPETask()); |
958 |
+ |
List<Future<String>> futures |
959 |
+ |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
960 |
+ |
assertEquals(1, futures.size()); |
961 |
|
try { |
962 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1021 |
< |
l.add(new NPETask()); |
1022 |
< |
List<Future<String>> result |
1023 |
< |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1024 |
< |
assertEquals(1, result.size()); |
1025 |
< |
for (Future<String> future : result) |
1026 |
< |
future.get(); |
962 |
> |
futures.get(0).get(); |
963 |
|
shouldThrow(); |
964 |
|
} catch (ExecutionException success) { |
965 |
|
assertTrue(success.getCause() instanceof NullPointerException); |
974 |
|
public void testTimedInvokeAll5() throws Throwable { |
975 |
|
ExecutorService e = new ForkJoinPool(1); |
976 |
|
try { |
977 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
977 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
978 |
|
l.add(new StringTask()); |
979 |
|
l.add(new StringTask()); |
980 |
< |
List<Future<String>> result |
980 |
> |
List<Future<String>> futures |
981 |
|
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
982 |
< |
assertEquals(2, result.size()); |
983 |
< |
for (Future<String> future : result) |
982 |
> |
assertEquals(2, futures.size()); |
983 |
> |
for (Future<String> future : futures) |
984 |
|
assertSame(TEST_STRING, future.get()); |
985 |
|
} finally { |
986 |
|
joinPool(e); |