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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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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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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.math.BigInteger; |
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import java.security.*; |
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|
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import java.security.PrivilegedAction; |
12 |
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import java.security.PrivilegedExceptionAction; |
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import java.util.ArrayList; |
14 |
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import java.util.Collections; |
15 |
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import java.util.List; |
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import java.util.concurrent.AbstractExecutorService; |
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import java.util.concurrent.ArrayBlockingQueue; |
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import java.util.concurrent.Callable; |
19 |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Executors; |
23 |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.ThreadPoolExecutor; |
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import java.util.concurrent.TimeUnit; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
32 |
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public class AbstractExecutorServiceTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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main(suite(), args); |
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} |
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public static Test suite() { |
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return new TestSuite(AbstractExecutorServiceTest.class); |
61 |
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*/ |
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public void testExecuteRunnable() throws Exception { |
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ExecutorService e = new DirectExecutorService(); |
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TrackedShortRunnable task = new TrackedShortRunnable(); |
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assertFalse(task.done); |
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Future<?> future = e.submit(task); |
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future.get(); |
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assertTrue(task.done); |
64 |
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final AtomicBoolean done = new AtomicBoolean(false); |
65 |
> |
Future<?> future = e.submit(new CheckedRunnable() { |
66 |
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public void realRun() { |
67 |
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done.set(true); |
68 |
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}}); |
69 |
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assertNull(future.get()); |
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assertNull(future.get(0, MILLISECONDS)); |
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assertTrue(done.get()); |
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assertTrue(future.isDone()); |
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assertFalse(future.isCancelled()); |
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} |
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|
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|
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/** |
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* Completed submit(callable) returns result |
78 |
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*/ |
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assertSame(TEST_STRING, result); |
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} |
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|
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|
106 |
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/** |
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* A submitted privileged action runs to completion |
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*/ |
168 |
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* execute(null runnable) throws NPE |
169 |
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*/ |
170 |
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public void testExecuteNullRunnable() { |
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ExecutorService e = new DirectExecutorService(); |
172 |
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try { |
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ExecutorService e = new DirectExecutorService(); |
173 |
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e.submit((Runnable) null); |
174 |
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shouldThrow(); |
175 |
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} catch (NullPointerException success) {} |
176 |
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} |
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|
160 |
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|
178 |
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/** |
179 |
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* submit(null callable) throws NPE |
180 |
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*/ |
181 |
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public void testSubmitNullCallable() { |
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ExecutorService e = new DirectExecutorService(); |
183 |
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try { |
166 |
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ExecutorService e = new DirectExecutorService(); |
184 |
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e.submit((Callable) null); |
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shouldThrow(); |
186 |
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} catch (NullPointerException success) {} |
192 |
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public void testInterruptedSubmit() throws InterruptedException { |
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final CountDownLatch submitted = new CountDownLatch(1); |
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final CountDownLatch quittingTime = new CountDownLatch(1); |
178 |
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final ExecutorService p |
179 |
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= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, |
180 |
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new ArrayBlockingQueue<Runnable>(10)); |
195 |
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final Callable<Void> awaiter = new CheckedCallable<Void>() { |
196 |
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public Void realCall() throws InterruptedException { |
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quittingTime.await(); |
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return null; |
199 |
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}}; |
200 |
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try { |
200 |
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final ExecutorService p |
201 |
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= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, |
202 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
203 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
204 |
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Thread t = new Thread(new CheckedInterruptedRunnable() { |
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public void realRun() throws Exception { |
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Future<Void> future = p.submit(awaiter); |
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submitted.await(); |
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t.interrupt(); |
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t.join(); |
197 |
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} finally { |
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quittingTime.countDown(); |
199 |
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joinPool(p); |
215 |
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} |
216 |
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} |
217 |
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|
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* throws exception |
221 |
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*/ |
222 |
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public void testSubmitEE() throws InterruptedException { |
223 |
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ThreadPoolExecutor p = |
223 |
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final ThreadPoolExecutor p = |
224 |
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new ThreadPoolExecutor(1, 1, |
225 |
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60, TimeUnit.SECONDS, |
226 |
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new ArrayBlockingQueue<Runnable>(10)); |
227 |
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|
228 |
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Callable c = new Callable() { |
229 |
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public Object call() { return 5/0; }}; |
230 |
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|
231 |
< |
try { |
232 |
< |
p.submit(c).get(); |
233 |
< |
shouldThrow(); |
234 |
< |
} catch (ExecutionException success) { |
235 |
< |
assertTrue(success.getCause() instanceof ArithmeticException); |
227 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
228 |
> |
Callable c = new Callable() { |
229 |
> |
public Object call() { throw new ArithmeticException(); }}; |
230 |
> |
try { |
231 |
> |
p.submit(c).get(); |
232 |
> |
shouldThrow(); |
233 |
> |
} catch (ExecutionException success) { |
234 |
> |
assertTrue(success.getCause() instanceof ArithmeticException); |
235 |
> |
} |
236 |
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} |
222 |
– |
joinPool(p); |
237 |
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} |
238 |
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|
239 |
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/** |
240 |
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* invokeAny(null) throws NPE |
241 |
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*/ |
242 |
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public void testInvokeAny1() throws Exception { |
243 |
< |
ExecutorService e = new DirectExecutorService(); |
244 |
< |
try { |
245 |
< |
e.invokeAny(null); |
246 |
< |
shouldThrow(); |
247 |
< |
} catch (NullPointerException success) { |
248 |
< |
} finally { |
235 |
< |
joinPool(e); |
243 |
> |
final ExecutorService e = new DirectExecutorService(); |
244 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
245 |
> |
try { |
246 |
> |
e.invokeAny(null); |
247 |
> |
shouldThrow(); |
248 |
> |
} catch (NullPointerException success) {} |
249 |
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} |
250 |
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} |
251 |
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|
253 |
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* invokeAny(empty collection) throws IAE |
254 |
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*/ |
255 |
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public void testInvokeAny2() throws Exception { |
256 |
< |
ExecutorService e = new DirectExecutorService(); |
257 |
< |
try { |
258 |
< |
e.invokeAny(new ArrayList<Callable<String>>()); |
259 |
< |
shouldThrow(); |
260 |
< |
} catch (IllegalArgumentException success) { |
261 |
< |
} finally { |
249 |
< |
joinPool(e); |
256 |
> |
final ExecutorService e = new DirectExecutorService(); |
257 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
258 |
> |
try { |
259 |
> |
e.invokeAny(new ArrayList<Callable<String>>()); |
260 |
> |
shouldThrow(); |
261 |
> |
} catch (IllegalArgumentException success) {} |
262 |
|
} |
263 |
|
} |
264 |
|
|
266 |
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* invokeAny(c) throws NPE if c has null elements |
267 |
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*/ |
268 |
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public void testInvokeAny3() throws Exception { |
269 |
< |
ExecutorService e = new DirectExecutorService(); |
270 |
< |
List<Callable<Integer>> l = new ArrayList<Callable<Integer>>(); |
271 |
< |
l.add(new Callable<Integer>() { |
272 |
< |
public Integer call() { return 5/0; }}); |
273 |
< |
l.add(null); |
274 |
< |
try { |
275 |
< |
e.invokeAny(l); |
276 |
< |
shouldThrow(); |
277 |
< |
} catch (NullPointerException success) { |
278 |
< |
} finally { |
267 |
< |
joinPool(e); |
269 |
> |
final ExecutorService e = new DirectExecutorService(); |
270 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
271 |
> |
List<Callable<Long>> l = new ArrayList<Callable<Long>>(); |
272 |
> |
l.add(new Callable<Long>() { |
273 |
> |
public Long call() { throw new ArithmeticException(); }}); |
274 |
> |
l.add(null); |
275 |
> |
try { |
276 |
> |
e.invokeAny(l); |
277 |
> |
shouldThrow(); |
278 |
> |
} catch (NullPointerException success) {} |
279 |
|
} |
280 |
|
} |
281 |
|
|
283 |
|
* invokeAny(c) throws ExecutionException if no task in c completes |
284 |
|
*/ |
285 |
|
public void testInvokeAny4() throws InterruptedException { |
286 |
< |
ExecutorService e = new DirectExecutorService(); |
287 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
288 |
< |
l.add(new NPETask()); |
289 |
< |
try { |
290 |
< |
e.invokeAny(l); |
291 |
< |
shouldThrow(); |
292 |
< |
} catch (ExecutionException success) { |
293 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
294 |
< |
} finally { |
295 |
< |
joinPool(e); |
286 |
> |
final ExecutorService e = new DirectExecutorService(); |
287 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
288 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
289 |
> |
l.add(new NPETask()); |
290 |
> |
try { |
291 |
> |
e.invokeAny(l); |
292 |
> |
shouldThrow(); |
293 |
> |
} catch (ExecutionException success) { |
294 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
295 |
> |
} |
296 |
|
} |
297 |
|
} |
298 |
|
|
300 |
|
* invokeAny(c) returns result of some task in c if at least one completes |
301 |
|
*/ |
302 |
|
public void testInvokeAny5() throws Exception { |
303 |
< |
ExecutorService e = new DirectExecutorService(); |
304 |
< |
try { |
303 |
> |
final ExecutorService e = new DirectExecutorService(); |
304 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
305 |
|
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
306 |
|
l.add(new StringTask()); |
307 |
|
l.add(new StringTask()); |
308 |
|
String result = e.invokeAny(l); |
309 |
|
assertSame(TEST_STRING, result); |
299 |
– |
} finally { |
300 |
– |
joinPool(e); |
310 |
|
} |
311 |
|
} |
312 |
|
|
314 |
|
* invokeAll(null) throws NPE |
315 |
|
*/ |
316 |
|
public void testInvokeAll1() throws InterruptedException { |
317 |
< |
ExecutorService e = new DirectExecutorService(); |
318 |
< |
try { |
319 |
< |
e.invokeAll(null); |
320 |
< |
shouldThrow(); |
321 |
< |
} catch (NullPointerException success) { |
322 |
< |
} finally { |
314 |
< |
joinPool(e); |
317 |
> |
final ExecutorService e = new DirectExecutorService(); |
318 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
319 |
> |
try { |
320 |
> |
e.invokeAll(null); |
321 |
> |
shouldThrow(); |
322 |
> |
} catch (NullPointerException success) {} |
323 |
|
} |
324 |
|
} |
325 |
|
|
327 |
|
* invokeAll(empty collection) returns empty collection |
328 |
|
*/ |
329 |
|
public void testInvokeAll2() throws InterruptedException { |
330 |
< |
ExecutorService e = new DirectExecutorService(); |
331 |
< |
try { |
330 |
> |
final ExecutorService e = new DirectExecutorService(); |
331 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
332 |
|
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
333 |
|
assertTrue(r.isEmpty()); |
326 |
– |
} finally { |
327 |
– |
joinPool(e); |
334 |
|
} |
335 |
|
} |
336 |
|
|
338 |
|
* invokeAll(c) throws NPE if c has null elements |
339 |
|
*/ |
340 |
|
public void testInvokeAll3() throws InterruptedException { |
341 |
< |
ExecutorService e = new DirectExecutorService(); |
342 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
343 |
< |
l.add(new StringTask()); |
344 |
< |
l.add(null); |
345 |
< |
try { |
346 |
< |
e.invokeAll(l); |
347 |
< |
shouldThrow(); |
348 |
< |
} catch (NullPointerException success) { |
349 |
< |
} finally { |
344 |
< |
joinPool(e); |
341 |
> |
final ExecutorService e = new DirectExecutorService(); |
342 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
343 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
344 |
> |
l.add(new StringTask()); |
345 |
> |
l.add(null); |
346 |
> |
try { |
347 |
> |
e.invokeAll(l); |
348 |
> |
shouldThrow(); |
349 |
> |
} catch (NullPointerException success) {} |
350 |
|
} |
351 |
|
} |
352 |
|
|
354 |
|
* get of returned element of invokeAll(c) throws exception on failed task |
355 |
|
*/ |
356 |
|
public void testInvokeAll4() throws Exception { |
357 |
< |
ExecutorService e = new DirectExecutorService(); |
358 |
< |
try { |
357 |
> |
final ExecutorService e = new DirectExecutorService(); |
358 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
359 |
|
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
360 |
|
l.add(new NPETask()); |
361 |
|
List<Future<String>> futures = e.invokeAll(l); |
366 |
|
} catch (ExecutionException success) { |
367 |
|
assertTrue(success.getCause() instanceof NullPointerException); |
368 |
|
} |
364 |
– |
} finally { |
365 |
– |
joinPool(e); |
369 |
|
} |
370 |
|
} |
371 |
|
|
373 |
|
* invokeAll(c) returns results of all completed tasks in c |
374 |
|
*/ |
375 |
|
public void testInvokeAll5() throws Exception { |
376 |
< |
ExecutorService e = new DirectExecutorService(); |
377 |
< |
try { |
376 |
> |
final ExecutorService e = new DirectExecutorService(); |
377 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
378 |
|
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
379 |
|
l.add(new StringTask()); |
380 |
|
l.add(new StringTask()); |
382 |
|
assertEquals(2, futures.size()); |
383 |
|
for (Future<String> future : futures) |
384 |
|
assertSame(TEST_STRING, future.get()); |
382 |
– |
} finally { |
383 |
– |
joinPool(e); |
385 |
|
} |
386 |
|
} |
387 |
|
|
387 |
– |
|
388 |
|
/** |
389 |
|
* timed invokeAny(null) throws NPE |
390 |
|
*/ |
391 |
|
public void testTimedInvokeAny1() throws Exception { |
392 |
< |
ExecutorService e = new DirectExecutorService(); |
393 |
< |
try { |
394 |
< |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
395 |
< |
shouldThrow(); |
396 |
< |
} catch (NullPointerException success) { |
397 |
< |
} finally { |
398 |
< |
joinPool(e); |
392 |
> |
final ExecutorService e = new DirectExecutorService(); |
393 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
394 |
> |
try { |
395 |
> |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
396 |
> |
shouldThrow(); |
397 |
> |
} catch (NullPointerException success) {} |
398 |
|
} |
399 |
|
} |
400 |
|
|
402 |
|
* timed invokeAny(null time unit) throws NPE |
403 |
|
*/ |
404 |
|
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
405 |
< |
ExecutorService e = new DirectExecutorService(); |
406 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
407 |
< |
l.add(new StringTask()); |
408 |
< |
try { |
409 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
410 |
< |
shouldThrow(); |
411 |
< |
} catch (NullPointerException success) { |
412 |
< |
} finally { |
414 |
< |
joinPool(e); |
405 |
> |
final ExecutorService e = new DirectExecutorService(); |
406 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
407 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
408 |
> |
l.add(new StringTask()); |
409 |
> |
try { |
410 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
411 |
> |
shouldThrow(); |
412 |
> |
} catch (NullPointerException success) {} |
413 |
|
} |
414 |
|
} |
415 |
|
|
417 |
|
* timed invokeAny(empty collection) throws IAE |
418 |
|
*/ |
419 |
|
public void testTimedInvokeAny2() throws Exception { |
420 |
< |
ExecutorService e = new DirectExecutorService(); |
421 |
< |
try { |
422 |
< |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
423 |
< |
shouldThrow(); |
424 |
< |
} catch (IllegalArgumentException success) { |
425 |
< |
} finally { |
426 |
< |
joinPool(e); |
420 |
> |
final ExecutorService e = new DirectExecutorService(); |
421 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
422 |
> |
try { |
423 |
> |
e.invokeAny(new ArrayList<Callable<String>>(), |
424 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
425 |
> |
shouldThrow(); |
426 |
> |
} catch (IllegalArgumentException success) {} |
427 |
|
} |
428 |
|
} |
429 |
|
|
431 |
|
* timed invokeAny(c) throws NPE if c has null elements |
432 |
|
*/ |
433 |
|
public void testTimedInvokeAny3() throws Exception { |
434 |
< |
ExecutorService e = new DirectExecutorService(); |
435 |
< |
List<Callable<Integer>> l = new ArrayList<Callable<Integer>>(); |
436 |
< |
l.add(new Callable<Integer>() { |
437 |
< |
public Integer call() { return 5/0; }}); |
438 |
< |
l.add(null); |
439 |
< |
try { |
440 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
441 |
< |
shouldThrow(); |
442 |
< |
} catch (NullPointerException success) { |
443 |
< |
} finally { |
446 |
< |
joinPool(e); |
434 |
> |
final ExecutorService e = new DirectExecutorService(); |
435 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
436 |
> |
List<Callable<Long>> l = new ArrayList<Callable<Long>>(); |
437 |
> |
l.add(new Callable<Long>() { |
438 |
> |
public Long call() { throw new ArithmeticException(); }}); |
439 |
> |
l.add(null); |
440 |
> |
try { |
441 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
442 |
> |
shouldThrow(); |
443 |
> |
} catch (NullPointerException success) {} |
444 |
|
} |
445 |
|
} |
446 |
|
|
448 |
|
* timed invokeAny(c) throws ExecutionException if no task completes |
449 |
|
*/ |
450 |
|
public void testTimedInvokeAny4() throws Exception { |
451 |
< |
ExecutorService e = new DirectExecutorService(); |
452 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
453 |
< |
l.add(new NPETask()); |
454 |
< |
try { |
455 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
456 |
< |
shouldThrow(); |
457 |
< |
} catch (ExecutionException success) { |
458 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
459 |
< |
} finally { |
460 |
< |
joinPool(e); |
451 |
> |
final ExecutorService e = new DirectExecutorService(); |
452 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
453 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
454 |
> |
l.add(new NPETask()); |
455 |
> |
try { |
456 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
457 |
> |
shouldThrow(); |
458 |
> |
} catch (ExecutionException success) { |
459 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
460 |
> |
} |
461 |
|
} |
462 |
|
} |
463 |
|
|
465 |
|
* timed invokeAny(c) returns result of some task in c |
466 |
|
*/ |
467 |
|
public void testTimedInvokeAny5() throws Exception { |
468 |
< |
ExecutorService e = new DirectExecutorService(); |
469 |
< |
try { |
468 |
> |
final ExecutorService e = new DirectExecutorService(); |
469 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
470 |
|
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
471 |
|
l.add(new StringTask()); |
472 |
|
l.add(new StringTask()); |
473 |
|
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
474 |
|
assertSame(TEST_STRING, result); |
478 |
– |
} finally { |
479 |
– |
joinPool(e); |
475 |
|
} |
476 |
|
} |
477 |
|
|
479 |
|
* timed invokeAll(null) throws NPE |
480 |
|
*/ |
481 |
|
public void testTimedInvokeAll1() throws InterruptedException { |
482 |
< |
ExecutorService e = new DirectExecutorService(); |
483 |
< |
try { |
484 |
< |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
485 |
< |
shouldThrow(); |
486 |
< |
} catch (NullPointerException success) { |
487 |
< |
} finally { |
493 |
< |
joinPool(e); |
482 |
> |
final ExecutorService e = new DirectExecutorService(); |
483 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
484 |
> |
try { |
485 |
> |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
486 |
> |
shouldThrow(); |
487 |
> |
} catch (NullPointerException success) {} |
488 |
|
} |
489 |
|
} |
490 |
|
|
492 |
|
* timed invokeAll(null time unit) throws NPE |
493 |
|
*/ |
494 |
|
public void testTimedInvokeAllNullTimeUnit() throws InterruptedException { |
495 |
< |
ExecutorService e = new DirectExecutorService(); |
496 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
497 |
< |
l.add(new StringTask()); |
498 |
< |
try { |
499 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
500 |
< |
shouldThrow(); |
501 |
< |
} catch (NullPointerException success) { |
502 |
< |
} finally { |
509 |
< |
joinPool(e); |
495 |
> |
final ExecutorService e = new DirectExecutorService(); |
496 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
497 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
498 |
> |
l.add(new StringTask()); |
499 |
> |
try { |
500 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
501 |
> |
shouldThrow(); |
502 |
> |
} catch (NullPointerException success) {} |
503 |
|
} |
504 |
|
} |
505 |
|
|
507 |
|
* timed invokeAll(empty collection) returns empty collection |
508 |
|
*/ |
509 |
|
public void testTimedInvokeAll2() throws InterruptedException { |
510 |
< |
ExecutorService e = new DirectExecutorService(); |
511 |
< |
try { |
510 |
> |
final ExecutorService e = new DirectExecutorService(); |
511 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
512 |
|
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
513 |
|
assertTrue(r.isEmpty()); |
521 |
– |
} finally { |
522 |
– |
joinPool(e); |
514 |
|
} |
515 |
|
} |
516 |
|
|
518 |
|
* timed invokeAll(c) throws NPE if c has null elements |
519 |
|
*/ |
520 |
|
public void testTimedInvokeAll3() throws InterruptedException { |
521 |
< |
ExecutorService e = new DirectExecutorService(); |
522 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
523 |
< |
l.add(new StringTask()); |
524 |
< |
l.add(null); |
525 |
< |
try { |
526 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
527 |
< |
shouldThrow(); |
528 |
< |
} catch (NullPointerException success) { |
529 |
< |
} finally { |
539 |
< |
joinPool(e); |
521 |
> |
final ExecutorService e = new DirectExecutorService(); |
522 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
523 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
524 |
> |
l.add(new StringTask()); |
525 |
> |
l.add(null); |
526 |
> |
try { |
527 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
528 |
> |
shouldThrow(); |
529 |
> |
} catch (NullPointerException success) {} |
530 |
|
} |
531 |
|
} |
532 |
|
|
534 |
|
* get of returned element of invokeAll(c) throws exception on failed task |
535 |
|
*/ |
536 |
|
public void testTimedInvokeAll4() throws Exception { |
537 |
< |
ExecutorService e = new DirectExecutorService(); |
538 |
< |
try { |
537 |
> |
final ExecutorService e = new DirectExecutorService(); |
538 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
539 |
|
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
540 |
|
l.add(new NPETask()); |
541 |
|
List<Future<String>> futures = |
547 |
|
} catch (ExecutionException success) { |
548 |
|
assertTrue(success.getCause() instanceof NullPointerException); |
549 |
|
} |
560 |
– |
} finally { |
561 |
– |
joinPool(e); |
550 |
|
} |
551 |
|
} |
552 |
|
|
554 |
|
* timed invokeAll(c) returns results of all completed tasks in c |
555 |
|
*/ |
556 |
|
public void testTimedInvokeAll5() throws Exception { |
557 |
< |
ExecutorService e = new DirectExecutorService(); |
558 |
< |
try { |
557 |
> |
final ExecutorService e = new DirectExecutorService(); |
558 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
559 |
|
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
560 |
|
l.add(new StringTask()); |
561 |
|
l.add(new StringTask()); |
562 |
|
List<Future<String>> futures = |
563 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
563 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
564 |
|
assertEquals(2, futures.size()); |
565 |
|
for (Future<String> future : futures) |
566 |
|
assertSame(TEST_STRING, future.get()); |
579 |
– |
} finally { |
580 |
– |
joinPool(e); |
567 |
|
} |
568 |
|
} |
569 |
|
|
570 |
|
/** |
571 |
|
* timed invokeAll cancels tasks not completed by timeout |
572 |
|
*/ |
573 |
< |
public void testTimedInvokeAll6() throws InterruptedException { |
574 |
< |
ExecutorService e = new DirectExecutorService(); |
575 |
< |
try { |
576 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
577 |
< |
l.add(new StringTask()); |
578 |
< |
l.add(Executors.callable(possiblyInterruptedRunnable(2 * SHORT_DELAY_MS), TEST_STRING)); |
579 |
< |
l.add(new StringTask()); |
580 |
< |
List<Future<String>> futures = |
581 |
< |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
582 |
< |
assertEquals(3, futures.size()); |
583 |
< |
Iterator<Future<String>> it = futures.iterator(); |
584 |
< |
Future<String> f1 = it.next(); |
585 |
< |
Future<String> f2 = it.next(); |
586 |
< |
Future<String> f3 = it.next(); |
587 |
< |
assertTrue(f1.isDone()); |
588 |
< |
assertFalse(f1.isCancelled()); |
589 |
< |
assertTrue(f2.isDone()); |
590 |
< |
assertFalse(f2.isCancelled()); |
591 |
< |
assertTrue(f3.isDone()); |
592 |
< |
assertTrue(f3.isCancelled()); |
593 |
< |
} finally { |
594 |
< |
joinPool(e); |
573 |
> |
public void testTimedInvokeAll6() throws Exception { |
574 |
> |
final ExecutorService e = new DirectExecutorService(); |
575 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
576 |
> |
for (long timeout = timeoutMillis();;) { |
577 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
578 |
> |
tasks.add(new StringTask("0")); |
579 |
> |
tasks.add(Executors.callable(possiblyInterruptedRunnable(timeout), |
580 |
> |
TEST_STRING)); |
581 |
> |
tasks.add(new StringTask("2")); |
582 |
> |
long startTime = System.nanoTime(); |
583 |
> |
List<Future<String>> futures = |
584 |
> |
e.invokeAll(tasks, timeout, MILLISECONDS); |
585 |
> |
assertEquals(tasks.size(), futures.size()); |
586 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
587 |
> |
for (Future future : futures) |
588 |
> |
assertTrue(future.isDone()); |
589 |
> |
try { |
590 |
> |
assertEquals("0", futures.get(0).get()); |
591 |
> |
assertEquals(TEST_STRING, futures.get(1).get()); |
592 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
593 |
> |
// unusual delay before starting second task |
594 |
> |
timeout *= 2; |
595 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
596 |
> |
fail("expected exactly one task to be cancelled"); |
597 |
> |
continue; |
598 |
> |
} |
599 |
> |
assertTrue(futures.get(2).isCancelled()); |
600 |
> |
break; |
601 |
> |
} |
602 |
|
} |
603 |
|
} |
604 |
|
|