6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
– |
|
10 |
– |
import junit.framework.*; |
11 |
– |
import java.util.*; |
12 |
– |
import java.util.concurrent.*; |
9 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
< |
import java.math.BigInteger; |
11 |
< |
import java.security.*; |
10 |
> |
|
11 |
> |
import java.security.AccessControlContext; |
12 |
> |
import java.security.AccessControlException; |
13 |
> |
import java.security.AccessController; |
14 |
> |
import java.security.PrivilegedAction; |
15 |
> |
import java.security.PrivilegedExceptionAction; |
16 |
> |
import java.util.ArrayList; |
17 |
> |
import java.util.List; |
18 |
> |
import java.util.concurrent.Callable; |
19 |
> |
import java.util.concurrent.CountDownLatch; |
20 |
> |
import java.util.concurrent.Executors; |
21 |
> |
import java.util.concurrent.ExecutorService; |
22 |
> |
import java.util.concurrent.Future; |
23 |
> |
import java.util.concurrent.ScheduledExecutorService; |
24 |
> |
import java.util.concurrent.ThreadPoolExecutor; |
25 |
> |
|
26 |
> |
import junit.framework.Test; |
27 |
> |
import junit.framework.TestSuite; |
28 |
|
|
29 |
|
public class ExecutorsTest extends JSR166TestCase { |
30 |
|
public static void main(String[] args) { |
66 |
|
} catch (NullPointerException success) {} |
67 |
|
} |
68 |
|
|
57 |
– |
|
69 |
|
/** |
70 |
|
* A new SingleThreadExecutor can execute runnables |
71 |
|
*/ |
112 |
|
} |
113 |
|
} |
114 |
|
|
104 |
– |
|
115 |
|
/** |
116 |
|
* A new newFixedThreadPool can execute runnables |
117 |
|
*/ |
154 |
|
} catch (IllegalArgumentException success) {} |
155 |
|
} |
156 |
|
|
147 |
– |
|
157 |
|
/** |
158 |
|
* An unconfigurable newFixedThreadPool can execute runnables |
159 |
|
*/ |
160 |
< |
public void testunconfigurableExecutorService() { |
160 |
> |
public void testUnconfigurableExecutorService() { |
161 |
|
ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
162 |
|
e.execute(new NoOpRunnable()); |
163 |
|
e.execute(new NoOpRunnable()); |
168 |
|
/** |
169 |
|
* unconfigurableExecutorService(null) throws NPE |
170 |
|
*/ |
171 |
< |
public void testunconfigurableExecutorServiceNPE() { |
171 |
> |
public void testUnconfigurableExecutorServiceNPE() { |
172 |
|
try { |
173 |
|
ExecutorService e = Executors.unconfigurableExecutorService(null); |
174 |
|
shouldThrow(); |
178 |
|
/** |
179 |
|
* unconfigurableScheduledExecutorService(null) throws NPE |
180 |
|
*/ |
181 |
< |
public void testunconfigurableScheduledExecutorServiceNPE() { |
181 |
> |
public void testUnconfigurableScheduledExecutorServiceNPE() { |
182 |
|
try { |
183 |
|
ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
184 |
|
shouldThrow(); |
185 |
|
} catch (NullPointerException success) {} |
186 |
|
} |
187 |
|
|
179 |
– |
|
188 |
|
/** |
189 |
|
* a newSingleThreadScheduledExecutor successfully runs delayed task |
190 |
|
*/ |
191 |
|
public void testNewSingleThreadScheduledExecutor() throws Exception { |
192 |
|
ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); |
193 |
|
try { |
194 |
< |
final CountDownLatch done = new CountDownLatch(1); |
194 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
195 |
|
final Runnable task = new CheckedRunnable() { |
196 |
|
public void realRun() { |
197 |
< |
done.countDown(); |
197 |
> |
await(proceed); |
198 |
|
}}; |
199 |
+ |
long startTime = System.nanoTime(); |
200 |
|
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
201 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
201 |
> |
timeoutMillis(), MILLISECONDS); |
202 |
|
assertFalse(f.isDone()); |
203 |
< |
assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
204 |
< |
assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); |
203 |
> |
proceed.countDown(); |
204 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
205 |
|
assertSame(Boolean.TRUE, f.get()); |
206 |
|
assertTrue(f.isDone()); |
207 |
+ |
assertFalse(f.isCancelled()); |
208 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
209 |
|
} finally { |
210 |
|
joinPool(p); |
211 |
|
} |
214 |
|
/** |
215 |
|
* a newScheduledThreadPool successfully runs delayed task |
216 |
|
*/ |
217 |
< |
public void testnewScheduledThreadPool() throws Exception { |
217 |
> |
public void testNewScheduledThreadPool() throws Exception { |
218 |
|
ScheduledExecutorService p = Executors.newScheduledThreadPool(2); |
219 |
|
try { |
220 |
< |
final CountDownLatch done = new CountDownLatch(1); |
220 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
221 |
|
final Runnable task = new CheckedRunnable() { |
222 |
|
public void realRun() { |
223 |
< |
done.countDown(); |
223 |
> |
await(proceed); |
224 |
|
}}; |
225 |
+ |
long startTime = System.nanoTime(); |
226 |
|
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
227 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
227 |
> |
timeoutMillis(), MILLISECONDS); |
228 |
|
assertFalse(f.isDone()); |
229 |
< |
assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
230 |
< |
assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); |
229 |
> |
proceed.countDown(); |
230 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
231 |
|
assertSame(Boolean.TRUE, f.get()); |
232 |
|
assertTrue(f.isDone()); |
233 |
+ |
assertFalse(f.isCancelled()); |
234 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
235 |
|
} finally { |
236 |
|
joinPool(p); |
237 |
|
} |
240 |
|
/** |
241 |
|
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
242 |
|
*/ |
243 |
< |
public void testunconfigurableScheduledExecutorService() throws Exception { |
243 |
> |
public void testUnconfigurableScheduledExecutorService() throws Exception { |
244 |
|
ScheduledExecutorService p = |
245 |
|
Executors.unconfigurableScheduledExecutorService |
246 |
|
(Executors.newScheduledThreadPool(2)); |
247 |
|
try { |
248 |
< |
final CountDownLatch done = new CountDownLatch(1); |
248 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
249 |
|
final Runnable task = new CheckedRunnable() { |
250 |
|
public void realRun() { |
251 |
< |
done.countDown(); |
251 |
> |
await(proceed); |
252 |
|
}}; |
253 |
+ |
long startTime = System.nanoTime(); |
254 |
|
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
255 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
255 |
> |
timeoutMillis(), MILLISECONDS); |
256 |
|
assertFalse(f.isDone()); |
257 |
< |
assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
258 |
< |
assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); |
257 |
> |
proceed.countDown(); |
258 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
259 |
|
assertSame(Boolean.TRUE, f.get()); |
260 |
|
assertTrue(f.isDone()); |
261 |
+ |
assertFalse(f.isCancelled()); |
262 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
263 |
|
} finally { |
264 |
|
joinPool(p); |
265 |
|
} |
269 |
|
* Future.get on submitted tasks will time out if they compute too long. |
270 |
|
*/ |
271 |
|
public void testTimedCallable() throws Exception { |
272 |
+ |
final ExecutorService[] executors = { |
273 |
+ |
Executors.newSingleThreadExecutor(), |
274 |
+ |
Executors.newCachedThreadPool(), |
275 |
+ |
Executors.newFixedThreadPool(2), |
276 |
+ |
Executors.newScheduledThreadPool(2), |
277 |
+ |
}; |
278 |
+ |
|
279 |
|
final Runnable sleeper = new CheckedInterruptedRunnable() { |
280 |
|
public void realRun() throws InterruptedException { |
281 |
< |
Thread.sleep(LONG_DELAY_MS); |
281 |
> |
delay(LONG_DELAY_MS); |
282 |
|
}}; |
283 |
< |
for (ExecutorService executor : |
284 |
< |
new ExecutorService[] { |
285 |
< |
Executors.newSingleThreadExecutor(), |
286 |
< |
Executors.newCachedThreadPool(), |
287 |
< |
Executors.newFixedThreadPool(2), |
288 |
< |
Executors.newScheduledThreadPool(2), |
289 |
< |
}) { |
290 |
< |
try { |
267 |
< |
Future future = executor.submit(sleeper); |
268 |
< |
try { |
269 |
< |
future.get(SHORT_DELAY_MS, MILLISECONDS); |
270 |
< |
shouldThrow(); |
271 |
< |
} catch (TimeoutException success) { |
272 |
< |
} finally { |
273 |
< |
future.cancel(true); |
274 |
< |
} |
275 |
< |
} |
276 |
< |
finally { |
277 |
< |
joinPool(executor); |
278 |
< |
} |
283 |
> |
|
284 |
> |
List<Thread> threads = new ArrayList<Thread>(); |
285 |
> |
for (final ExecutorService executor : executors) { |
286 |
> |
threads.add(newStartedThread(new CheckedRunnable() { |
287 |
> |
public void realRun() { |
288 |
> |
Future future = executor.submit(sleeper); |
289 |
> |
assertFutureTimesOut(future); |
290 |
> |
}})); |
291 |
|
} |
292 |
+ |
for (Thread thread : threads) |
293 |
+ |
awaitTermination(thread); |
294 |
+ |
for (ExecutorService executor : executors) |
295 |
+ |
joinPool(executor); |
296 |
|
} |
297 |
|
|
282 |
– |
|
298 |
|
/** |
299 |
|
* ThreadPoolExecutor using defaultThreadFactory has |
300 |
|
* specified group, priority, daemon status, and name |
301 |
|
*/ |
302 |
|
public void testDefaultThreadFactory() throws Exception { |
303 |
|
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
304 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
305 |
|
Runnable r = new CheckedRunnable() { |
306 |
|
public void realRun() { |
307 |
|
try { |
319 |
|
} catch (SecurityException ok) { |
320 |
|
// Also pass if not allowed to change setting |
321 |
|
} |
322 |
+ |
done.countDown(); |
323 |
|
}}; |
324 |
|
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
325 |
|
|
326 |
|
e.execute(r); |
327 |
+ |
await(done); |
328 |
+ |
|
329 |
|
try { |
330 |
|
e.shutdown(); |
331 |
|
} catch (SecurityException ok) { |
332 |
|
} |
333 |
|
|
334 |
< |
try { |
316 |
< |
Thread.sleep(SHORT_DELAY_MS); |
317 |
< |
} finally { |
318 |
< |
joinPool(e); |
319 |
< |
} |
334 |
> |
joinPool(e); |
335 |
|
} |
336 |
|
|
337 |
|
/** |
340 |
|
* access control context and context class loader |
341 |
|
*/ |
342 |
|
public void testPrivilegedThreadFactory() throws Exception { |
343 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
344 |
|
Runnable r = new CheckedRunnable() { |
345 |
|
public void realRun() throws Exception { |
346 |
|
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
361 |
|
assertTrue(name.endsWith("thread-1")); |
362 |
|
assertSame(thisccl, current.getContextClassLoader()); |
363 |
|
assertEquals(thisacc, AccessController.getContext()); |
364 |
+ |
done.countDown(); |
365 |
|
}}; |
366 |
|
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
367 |
|
e.execute(r); |
368 |
+ |
await(done); |
369 |
|
e.shutdown(); |
352 |
– |
Thread.sleep(SHORT_DELAY_MS); |
370 |
|
joinPool(e); |
371 |
|
}}; |
372 |
|
|
404 |
|
} |
405 |
|
} |
406 |
|
|
390 |
– |
|
407 |
|
/** |
408 |
|
* Without class loader permissions, creating |
409 |
|
* privilegedCallableUsingCurrentClassLoader throws ACE |
426 |
|
* With class loader permissions, calling |
427 |
|
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
428 |
|
*/ |
429 |
< |
public void testprivilegedCallableUsingCCLWithPrivs() throws Exception { |
429 |
> |
public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception { |
430 |
|
Runnable r = new CheckedRunnable() { |
431 |
|
public void realRun() throws Exception { |
432 |
|
Executors.privilegedCallableUsingCurrentClassLoader |
442 |
|
/** |
443 |
|
* Without permissions, calling privilegedCallable throws ACE |
444 |
|
*/ |
445 |
< |
public void testprivilegedCallableWithNoPrivs() throws Exception { |
445 |
> |
public void testPrivilegedCallableWithNoPrivs() throws Exception { |
446 |
|
// Avoid classloader-related SecurityExceptions in swingui.TestRunner |
447 |
|
Executors.privilegedCallable(new CheckCCL()); |
448 |
|
|
514 |
|
/** |
515 |
|
* With permissions, calling privilegedCallable succeeds |
516 |
|
*/ |
517 |
< |
public void testprivilegedCallableWithPrivs() throws Exception { |
517 |
> |
public void testPrivilegedCallableWithPrivs() throws Exception { |
518 |
|
Runnable r = new CheckedRunnable() { |
519 |
|
public void realRun() throws Exception { |
520 |
|
Executors.privilegedCallable(new CheckCCL()).call(); |
521 |
|
}}; |
522 |
|
|
523 |
< |
runWithPermissions(r, |
523 |
> |
runWithPermissions(r, |
524 |
|
new RuntimePermission("getClassLoader"), |
525 |
|
new RuntimePermission("setContextClassLoader")); |
526 |
|
} |
559 |
|
assertSame(one, c.call()); |
560 |
|
} |
561 |
|
|
546 |
– |
|
562 |
|
/** |
563 |
|
* callable(null Runnable) throws NPE |
564 |
|
*/ |
599 |
|
} catch (NullPointerException success) {} |
600 |
|
} |
601 |
|
|
587 |
– |
|
602 |
|
} |