1 |
/* |
2 |
* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
* Expert Group and released to the public domain, as explained at |
4 |
* http://creativecommons.org/licenses/publicdomain |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
* Pat Fisher, Mike Judd. |
7 |
*/ |
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|
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import junit.framework.*; |
10 |
import java.util.*; |
11 |
import java.util.concurrent.*; |
12 |
import java.util.concurrent.atomic.*; |
13 |
|
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public class ScheduledExecutorTest extends JSR166TestCase { |
15 |
public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
17 |
} |
18 |
public static Test suite() { |
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return new TestSuite(ScheduledExecutorTest.class); |
20 |
} |
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|
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|
23 |
/** |
24 |
* execute successfully executes a runnable |
25 |
*/ |
26 |
public void testExecute() { |
27 |
try { |
28 |
TrackedShortRunnable runnable =new TrackedShortRunnable(); |
29 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
30 |
p1.execute(runnable); |
31 |
assertFalse(runnable.done); |
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Thread.sleep(SHORT_DELAY_MS); |
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try { p1.shutdown(); } catch(SecurityException ok) { return; } |
34 |
try { |
35 |
Thread.sleep(MEDIUM_DELAY_MS); |
36 |
} catch(InterruptedException e){ |
37 |
unexpectedException(); |
38 |
} |
39 |
assertTrue(runnable.done); |
40 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
41 |
joinPool(p1); |
42 |
} |
43 |
catch(Exception e){ |
44 |
unexpectedException(); |
45 |
} |
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|
47 |
} |
48 |
|
49 |
|
50 |
/** |
51 |
* delayed schedule of callable successfully executes after delay |
52 |
*/ |
53 |
public void testSchedule1() { |
54 |
try { |
55 |
TrackedCallable callable = new TrackedCallable(); |
56 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
58 |
assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
60 |
assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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try { p1.shutdown(); } catch(SecurityException ok) { return; } |
63 |
joinPool(p1); |
64 |
} catch(RejectedExecutionException e){} |
65 |
catch(Exception e){ |
66 |
e.printStackTrace(); |
67 |
unexpectedException(); |
68 |
} |
69 |
} |
70 |
|
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/** |
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* delayed schedule of runnable successfully executes after delay |
73 |
*/ |
74 |
public void testSchedule3() { |
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try { |
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TrackedShortRunnable runnable = new TrackedShortRunnable(); |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
78 |
p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS); |
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Thread.sleep(SHORT_DELAY_MS); |
80 |
assertFalse(runnable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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try { p1.shutdown(); } catch(SecurityException ok) { return; } |
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joinPool(p1); |
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} catch(Exception e){ |
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unexpectedException(); |
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} |
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} |
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|
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/** |
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* scheduleAtFixedRate executes runnable after given initial delay |
92 |
*/ |
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public void testSchedule4() { |
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try { |
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TrackedShortRunnable runnable = new TrackedShortRunnable(); |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
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assertFalse(runnable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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h.cancel(true); |
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joinPool(p1); |
103 |
} catch(Exception e){ |
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unexpectedException(); |
105 |
} |
106 |
} |
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|
108 |
static class RunnableCounter implements Runnable { |
109 |
AtomicInteger count = new AtomicInteger(0); |
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public void run() { count.getAndIncrement(); } |
111 |
} |
112 |
|
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/** |
114 |
* scheduleWithFixedDelay executes runnable after given initial delay |
115 |
*/ |
116 |
public void testSchedule5() { |
117 |
try { |
118 |
TrackedShortRunnable runnable = new TrackedShortRunnable(); |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
120 |
ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
121 |
assertFalse(runnable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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h.cancel(true); |
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joinPool(p1); |
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} catch(Exception e){ |
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unexpectedException(); |
128 |
} |
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} |
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|
131 |
/** |
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* scheduleAtFixedRate executes series of tasks at given rate |
133 |
*/ |
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public void testFixedRateSequence() { |
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try { |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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RunnableCounter counter = new RunnableCounter(); |
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ScheduledFuture h = |
139 |
p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS); |
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Thread.sleep(SMALL_DELAY_MS); |
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h.cancel(true); |
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int c = counter.count.get(); |
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// By time scaling conventions, we must have at least |
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// an execution per SHORT delay, but no more than one SHORT more |
145 |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
146 |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
147 |
assertTrue(h.isDone()); |
148 |
joinPool(p1); |
149 |
} catch(Exception e){ |
150 |
unexpectedException(); |
151 |
} |
152 |
} |
153 |
|
154 |
/** |
155 |
* scheduleWithFixedDelay executes series of tasks with given period |
156 |
*/ |
157 |
public void testFixedDelaySequence() { |
158 |
try { |
159 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
160 |
RunnableCounter counter = new RunnableCounter(); |
161 |
ScheduledFuture h = |
162 |
p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS); |
163 |
Thread.sleep(SMALL_DELAY_MS); |
164 |
h.cancel(true); |
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int c = counter.count.get(); |
166 |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
167 |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
168 |
assertTrue(h.isDone()); |
169 |
joinPool(p1); |
170 |
} catch(Exception e){ |
171 |
unexpectedException(); |
172 |
} |
173 |
} |
174 |
|
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|
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/** |
177 |
* execute (null) throws NPE |
178 |
*/ |
179 |
public void testExecuteNull() { |
180 |
ScheduledThreadPoolExecutor se = null; |
181 |
try { |
182 |
se = new ScheduledThreadPoolExecutor(1); |
183 |
se.execute(null); |
184 |
shouldThrow(); |
185 |
} catch(NullPointerException success){} |
186 |
catch(Exception e){ |
187 |
unexpectedException(); |
188 |
} |
189 |
|
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joinPool(se); |
191 |
} |
192 |
|
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/** |
194 |
* schedule (null) throws NPE |
195 |
*/ |
196 |
public void testScheduleNull() { |
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ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
198 |
try { |
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TrackedCallable callable = null; |
200 |
Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
201 |
shouldThrow(); |
202 |
} catch(NullPointerException success){} |
203 |
catch(Exception e){ |
204 |
unexpectedException(); |
205 |
} |
206 |
joinPool(se); |
207 |
} |
208 |
|
209 |
/** |
210 |
* execute throws RejectedExecutionException if shutdown |
211 |
*/ |
212 |
public void testSchedule1_RejectedExecutionException() { |
213 |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
214 |
try { |
215 |
se.shutdown(); |
216 |
se.schedule(new NoOpRunnable(), |
217 |
MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
218 |
shouldThrow(); |
219 |
} catch(RejectedExecutionException success){ |
220 |
} catch (SecurityException ok) { |
221 |
} |
222 |
|
223 |
joinPool(se); |
224 |
|
225 |
} |
226 |
|
227 |
/** |
228 |
* schedule throws RejectedExecutionException if shutdown |
229 |
*/ |
230 |
public void testSchedule2_RejectedExecutionException() { |
231 |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
232 |
try { |
233 |
se.shutdown(); |
234 |
se.schedule(new NoOpCallable(), |
235 |
MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
236 |
shouldThrow(); |
237 |
} catch(RejectedExecutionException success){ |
238 |
} catch (SecurityException ok) { |
239 |
} |
240 |
joinPool(se); |
241 |
} |
242 |
|
243 |
/** |
244 |
* schedule callable throws RejectedExecutionException if shutdown |
245 |
*/ |
246 |
public void testSchedule3_RejectedExecutionException() { |
247 |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
248 |
try { |
249 |
se.shutdown(); |
250 |
se.schedule(new NoOpCallable(), |
251 |
MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
252 |
shouldThrow(); |
253 |
} catch(RejectedExecutionException success){ |
254 |
} catch (SecurityException ok) { |
255 |
} |
256 |
joinPool(se); |
257 |
} |
258 |
|
259 |
/** |
260 |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
261 |
*/ |
262 |
public void testScheduleAtFixedRate1_RejectedExecutionException() { |
263 |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
264 |
try { |
265 |
se.shutdown(); |
266 |
se.scheduleAtFixedRate(new NoOpRunnable(), |
267 |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
268 |
shouldThrow(); |
269 |
} catch(RejectedExecutionException success){ |
270 |
} catch (SecurityException ok) { |
271 |
} |
272 |
joinPool(se); |
273 |
} |
274 |
|
275 |
/** |
276 |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
277 |
*/ |
278 |
public void testScheduleWithFixedDelay1_RejectedExecutionException() { |
279 |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
280 |
try { |
281 |
se.shutdown(); |
282 |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
283 |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
284 |
shouldThrow(); |
285 |
} catch(RejectedExecutionException success){ |
286 |
} catch (SecurityException ok) { |
287 |
} |
288 |
joinPool(se); |
289 |
} |
290 |
|
291 |
/** |
292 |
* getActiveCount increases but doesn't overestimate, when a |
293 |
* thread becomes active |
294 |
*/ |
295 |
public void testGetActiveCount() { |
296 |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
297 |
assertEquals(0, p2.getActiveCount()); |
298 |
p2.execute(new SmallRunnable()); |
299 |
try { |
300 |
Thread.sleep(SHORT_DELAY_MS); |
301 |
} catch(Exception e){ |
302 |
unexpectedException(); |
303 |
} |
304 |
assertEquals(1, p2.getActiveCount()); |
305 |
joinPool(p2); |
306 |
} |
307 |
|
308 |
/** |
309 |
* getCompletedTaskCount increases, but doesn't overestimate, |
310 |
* when tasks complete |
311 |
*/ |
312 |
public void testGetCompletedTaskCount() { |
313 |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
314 |
assertEquals(0, p2.getCompletedTaskCount()); |
315 |
p2.execute(new SmallRunnable()); |
316 |
try { |
317 |
Thread.sleep(MEDIUM_DELAY_MS); |
318 |
} catch(Exception e){ |
319 |
unexpectedException(); |
320 |
} |
321 |
assertEquals(1, p2.getCompletedTaskCount()); |
322 |
joinPool(p2); |
323 |
} |
324 |
|
325 |
/** |
326 |
* getCorePoolSize returns size given in constructor if not otherwise set |
327 |
*/ |
328 |
public void testGetCorePoolSize() { |
329 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
330 |
assertEquals(1, p1.getCorePoolSize()); |
331 |
joinPool(p1); |
332 |
} |
333 |
|
334 |
/** |
335 |
* getLargestPoolSize increases, but doesn't overestimate, when |
336 |
* multiple threads active |
337 |
*/ |
338 |
public void testGetLargestPoolSize() { |
339 |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
340 |
assertEquals(0, p2.getLargestPoolSize()); |
341 |
p2.execute(new SmallRunnable()); |
342 |
p2.execute(new SmallRunnable()); |
343 |
try { |
344 |
Thread.sleep(SHORT_DELAY_MS); |
345 |
} catch(Exception e){ |
346 |
unexpectedException(); |
347 |
} |
348 |
assertEquals(2, p2.getLargestPoolSize()); |
349 |
joinPool(p2); |
350 |
} |
351 |
|
352 |
/** |
353 |
* getPoolSize increases, but doesn't overestimate, when threads |
354 |
* become active |
355 |
*/ |
356 |
public void testGetPoolSize() { |
357 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
358 |
assertEquals(0, p1.getPoolSize()); |
359 |
p1.execute(new SmallRunnable()); |
360 |
assertEquals(1, p1.getPoolSize()); |
361 |
joinPool(p1); |
362 |
} |
363 |
|
364 |
/** |
365 |
* getTaskCount increases, but doesn't overestimate, when tasks |
366 |
* submitted |
367 |
*/ |
368 |
public void testGetTaskCount() { |
369 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
370 |
assertEquals(0, p1.getTaskCount()); |
371 |
for(int i = 0; i < 5; i++) |
372 |
p1.execute(new SmallRunnable()); |
373 |
try { |
374 |
Thread.sleep(SHORT_DELAY_MS); |
375 |
} catch(Exception e){ |
376 |
unexpectedException(); |
377 |
} |
378 |
assertEquals(5, p1.getTaskCount()); |
379 |
joinPool(p1); |
380 |
} |
381 |
|
382 |
/** |
383 |
* getThreadFactory returns factory in constructor if not set |
384 |
*/ |
385 |
public void testGetThreadFactory() { |
386 |
ThreadFactory tf = new SimpleThreadFactory(); |
387 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf); |
388 |
assertSame(tf, p.getThreadFactory()); |
389 |
joinPool(p); |
390 |
} |
391 |
|
392 |
/** |
393 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
394 |
*/ |
395 |
public void testSetThreadFactory() { |
396 |
ThreadFactory tf = new SimpleThreadFactory(); |
397 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
398 |
p.setThreadFactory(tf); |
399 |
assertSame(tf, p.getThreadFactory()); |
400 |
joinPool(p); |
401 |
} |
402 |
|
403 |
/** |
404 |
* setThreadFactory(null) throws NPE |
405 |
*/ |
406 |
public void testSetThreadFactoryNull() { |
407 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
408 |
try { |
409 |
p.setThreadFactory(null); |
410 |
shouldThrow(); |
411 |
} catch (NullPointerException success) { |
412 |
} finally { |
413 |
joinPool(p); |
414 |
} |
415 |
} |
416 |
|
417 |
/** |
418 |
* is isShutDown is false before shutdown, true after |
419 |
*/ |
420 |
public void testIsShutdown() { |
421 |
|
422 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
423 |
try { |
424 |
assertFalse(p1.isShutdown()); |
425 |
} |
426 |
finally { |
427 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
428 |
} |
429 |
assertTrue(p1.isShutdown()); |
430 |
} |
431 |
|
432 |
|
433 |
/** |
434 |
* isTerminated is false before termination, true after |
435 |
*/ |
436 |
public void testIsTerminated() { |
437 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
438 |
try { |
439 |
p1.execute(new SmallRunnable()); |
440 |
} finally { |
441 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
442 |
} |
443 |
try { |
444 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
445 |
assertTrue(p1.isTerminated()); |
446 |
} catch(Exception e){ |
447 |
unexpectedException(); |
448 |
} |
449 |
} |
450 |
|
451 |
/** |
452 |
* isTerminating is not true when running or when terminated |
453 |
*/ |
454 |
public void testIsTerminating() { |
455 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
456 |
assertFalse(p1.isTerminating()); |
457 |
try { |
458 |
p1.execute(new SmallRunnable()); |
459 |
assertFalse(p1.isTerminating()); |
460 |
} finally { |
461 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
462 |
} |
463 |
try { |
464 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
465 |
assertTrue(p1.isTerminated()); |
466 |
assertFalse(p1.isTerminating()); |
467 |
} catch(Exception e){ |
468 |
unexpectedException(); |
469 |
} |
470 |
} |
471 |
|
472 |
/** |
473 |
* getQueue returns the work queue, which contains queued tasks |
474 |
*/ |
475 |
public void testGetQueue() { |
476 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
477 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
478 |
for(int i = 0; i < 5; i++){ |
479 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS); |
480 |
} |
481 |
try { |
482 |
Thread.sleep(SHORT_DELAY_MS); |
483 |
BlockingQueue<Runnable> q = p1.getQueue(); |
484 |
assertTrue(q.contains(tasks[4])); |
485 |
assertFalse(q.contains(tasks[0])); |
486 |
} catch(Exception e) { |
487 |
unexpectedException(); |
488 |
} finally { |
489 |
joinPool(p1); |
490 |
} |
491 |
} |
492 |
|
493 |
/** |
494 |
* remove(task) removes queued task, and fails to remove active task |
495 |
*/ |
496 |
public void testRemove() { |
497 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
498 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
499 |
for(int i = 0; i < 5; i++){ |
500 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS); |
501 |
} |
502 |
try { |
503 |
Thread.sleep(SHORT_DELAY_MS); |
504 |
BlockingQueue<Runnable> q = p1.getQueue(); |
505 |
assertFalse(p1.remove((Runnable)tasks[0])); |
506 |
assertTrue(q.contains((Runnable)tasks[4])); |
507 |
assertTrue(q.contains((Runnable)tasks[3])); |
508 |
assertTrue(p1.remove((Runnable)tasks[4])); |
509 |
assertFalse(p1.remove((Runnable)tasks[4])); |
510 |
assertFalse(q.contains((Runnable)tasks[4])); |
511 |
assertTrue(q.contains((Runnable)tasks[3])); |
512 |
assertTrue(p1.remove((Runnable)tasks[3])); |
513 |
assertFalse(q.contains((Runnable)tasks[3])); |
514 |
} catch(Exception e) { |
515 |
unexpectedException(); |
516 |
} finally { |
517 |
joinPool(p1); |
518 |
} |
519 |
} |
520 |
|
521 |
/** |
522 |
* purge removes cancelled tasks from the queue |
523 |
*/ |
524 |
public void testPurge() { |
525 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
526 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
527 |
for(int i = 0; i < 5; i++){ |
528 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS); |
529 |
} |
530 |
int max = 5; |
531 |
if (tasks[4].cancel(true)) --max; |
532 |
if (tasks[3].cancel(true)) --max; |
533 |
p1.purge(); |
534 |
long count = p1.getTaskCount(); |
535 |
assertTrue(count > 0 && count <= max); |
536 |
joinPool(p1); |
537 |
} |
538 |
|
539 |
/** |
540 |
* shutDownNow returns a list containing tasks that were not run |
541 |
*/ |
542 |
public void testShutDownNow() { |
543 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
544 |
for(int i = 0; i < 5; i++) |
545 |
p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
546 |
List l; |
547 |
try { |
548 |
l = p1.shutdownNow(); |
549 |
} catch (SecurityException ok) { |
550 |
return; |
551 |
} |
552 |
assertTrue(p1.isShutdown()); |
553 |
assertTrue(l.size() > 0 && l.size() <= 5); |
554 |
joinPool(p1); |
555 |
} |
556 |
|
557 |
/** |
558 |
* In default setting, shutdown cancels periodic but not delayed |
559 |
* tasks at shutdown |
560 |
*/ |
561 |
public void testShutDown1() { |
562 |
try { |
563 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
564 |
assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
565 |
assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
566 |
|
567 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
568 |
for(int i = 0; i < 5; i++) |
569 |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
570 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
571 |
BlockingQueue q = p1.getQueue(); |
572 |
for (Iterator it = q.iterator(); it.hasNext();) { |
573 |
ScheduledFuture t = (ScheduledFuture)it.next(); |
574 |
assertFalse(t.isCancelled()); |
575 |
} |
576 |
assertTrue(p1.isShutdown()); |
577 |
Thread.sleep(SMALL_DELAY_MS); |
578 |
for (int i = 0; i < 5; ++i) { |
579 |
assertTrue(tasks[i].isDone()); |
580 |
assertFalse(tasks[i].isCancelled()); |
581 |
} |
582 |
|
583 |
} |
584 |
catch(Exception ex) { |
585 |
unexpectedException(); |
586 |
} |
587 |
} |
588 |
|
589 |
|
590 |
/** |
591 |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
592 |
* delayed tasks are cancelled at shutdown |
593 |
*/ |
594 |
public void testShutDown2() { |
595 |
try { |
596 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
597 |
p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
598 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
599 |
for(int i = 0; i < 5; i++) |
600 |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
601 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
602 |
assertTrue(p1.isShutdown()); |
603 |
BlockingQueue q = p1.getQueue(); |
604 |
assertTrue(q.isEmpty()); |
605 |
Thread.sleep(SMALL_DELAY_MS); |
606 |
assertTrue(p1.isTerminated()); |
607 |
} |
608 |
catch(Exception ex) { |
609 |
unexpectedException(); |
610 |
} |
611 |
} |
612 |
|
613 |
|
614 |
/** |
615 |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
616 |
* periodic tasks are not cancelled at shutdown |
617 |
*/ |
618 |
public void testShutDown3() { |
619 |
try { |
620 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
621 |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
622 |
ScheduledFuture task = |
623 |
p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS); |
624 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
625 |
assertTrue(p1.isShutdown()); |
626 |
BlockingQueue q = p1.getQueue(); |
627 |
assertTrue(q.isEmpty()); |
628 |
Thread.sleep(SHORT_DELAY_MS); |
629 |
assertTrue(p1.isTerminated()); |
630 |
} |
631 |
catch(Exception ex) { |
632 |
unexpectedException(); |
633 |
} |
634 |
} |
635 |
|
636 |
/** |
637 |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
638 |
* periodic tasks are cancelled at shutdown |
639 |
*/ |
640 |
public void testShutDown4() { |
641 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
642 |
try { |
643 |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
644 |
ScheduledFuture task = |
645 |
p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS); |
646 |
assertFalse(task.isCancelled()); |
647 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
648 |
assertFalse(task.isCancelled()); |
649 |
assertFalse(p1.isTerminated()); |
650 |
assertTrue(p1.isShutdown()); |
651 |
Thread.sleep(SHORT_DELAY_MS); |
652 |
assertFalse(task.isCancelled()); |
653 |
assertTrue(task.cancel(true)); |
654 |
assertTrue(task.isDone()); |
655 |
Thread.sleep(SHORT_DELAY_MS); |
656 |
assertTrue(p1.isTerminated()); |
657 |
} |
658 |
catch(Exception ex) { |
659 |
unexpectedException(); |
660 |
} |
661 |
finally { |
662 |
joinPool(p1); |
663 |
} |
664 |
} |
665 |
|
666 |
/** |
667 |
* completed submit of callable returns result |
668 |
*/ |
669 |
public void testSubmitCallable() { |
670 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
671 |
try { |
672 |
Future<String> future = e.submit(new StringTask()); |
673 |
String result = future.get(); |
674 |
assertSame(TEST_STRING, result); |
675 |
} |
676 |
catch (ExecutionException ex) { |
677 |
unexpectedException(); |
678 |
} |
679 |
catch (InterruptedException ex) { |
680 |
unexpectedException(); |
681 |
} finally { |
682 |
joinPool(e); |
683 |
} |
684 |
} |
685 |
|
686 |
/** |
687 |
* completed submit of runnable returns successfully |
688 |
*/ |
689 |
public void testSubmitRunnable() { |
690 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
691 |
try { |
692 |
Future<?> future = e.submit(new NoOpRunnable()); |
693 |
future.get(); |
694 |
assertTrue(future.isDone()); |
695 |
} |
696 |
catch (ExecutionException ex) { |
697 |
unexpectedException(); |
698 |
} |
699 |
catch (InterruptedException ex) { |
700 |
unexpectedException(); |
701 |
} finally { |
702 |
joinPool(e); |
703 |
} |
704 |
} |
705 |
|
706 |
/** |
707 |
* completed submit of (runnable, result) returns result |
708 |
*/ |
709 |
public void testSubmitRunnable2() { |
710 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
711 |
try { |
712 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
713 |
String result = future.get(); |
714 |
assertSame(TEST_STRING, result); |
715 |
} |
716 |
catch (ExecutionException ex) { |
717 |
unexpectedException(); |
718 |
} |
719 |
catch (InterruptedException ex) { |
720 |
unexpectedException(); |
721 |
} finally { |
722 |
joinPool(e); |
723 |
} |
724 |
} |
725 |
|
726 |
/** |
727 |
* invokeAny(null) throws NPE |
728 |
*/ |
729 |
public void testInvokeAny1() { |
730 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
731 |
try { |
732 |
e.invokeAny(null); |
733 |
} catch (NullPointerException success) { |
734 |
} catch(Exception ex) { |
735 |
unexpectedException(); |
736 |
} finally { |
737 |
joinPool(e); |
738 |
} |
739 |
} |
740 |
|
741 |
/** |
742 |
* invokeAny(empty collection) throws IAE |
743 |
*/ |
744 |
public void testInvokeAny2() { |
745 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
746 |
try { |
747 |
e.invokeAny(new ArrayList<Callable<String>>()); |
748 |
} catch (IllegalArgumentException success) { |
749 |
} catch(Exception ex) { |
750 |
unexpectedException(); |
751 |
} finally { |
752 |
joinPool(e); |
753 |
} |
754 |
} |
755 |
|
756 |
/** |
757 |
* invokeAny(c) throws NPE if c has null elements |
758 |
*/ |
759 |
public void testInvokeAny3() { |
760 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
761 |
try { |
762 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
763 |
l.add(new StringTask()); |
764 |
l.add(null); |
765 |
e.invokeAny(l); |
766 |
} catch (NullPointerException success) { |
767 |
} catch(Exception ex) { |
768 |
unexpectedException(); |
769 |
} finally { |
770 |
joinPool(e); |
771 |
} |
772 |
} |
773 |
|
774 |
/** |
775 |
* invokeAny(c) throws ExecutionException if no task completes |
776 |
*/ |
777 |
public void testInvokeAny4() { |
778 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
779 |
try { |
780 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
781 |
l.add(new NPETask()); |
782 |
e.invokeAny(l); |
783 |
} catch (ExecutionException success) { |
784 |
} catch(Exception ex) { |
785 |
unexpectedException(); |
786 |
} finally { |
787 |
joinPool(e); |
788 |
} |
789 |
} |
790 |
|
791 |
/** |
792 |
* invokeAny(c) returns result of some task |
793 |
*/ |
794 |
public void testInvokeAny5() { |
795 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
796 |
try { |
797 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
798 |
l.add(new StringTask()); |
799 |
l.add(new StringTask()); |
800 |
String result = e.invokeAny(l); |
801 |
assertSame(TEST_STRING, result); |
802 |
} catch (ExecutionException success) { |
803 |
} catch(Exception ex) { |
804 |
unexpectedException(); |
805 |
} finally { |
806 |
joinPool(e); |
807 |
} |
808 |
} |
809 |
|
810 |
/** |
811 |
* invokeAll(null) throws NPE |
812 |
*/ |
813 |
public void testInvokeAll1() { |
814 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
815 |
try { |
816 |
e.invokeAll(null); |
817 |
} catch (NullPointerException success) { |
818 |
} catch(Exception ex) { |
819 |
unexpectedException(); |
820 |
} finally { |
821 |
joinPool(e); |
822 |
} |
823 |
} |
824 |
|
825 |
/** |
826 |
* invokeAll(empty collection) returns empty collection |
827 |
*/ |
828 |
public void testInvokeAll2() { |
829 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
830 |
try { |
831 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
832 |
assertTrue(r.isEmpty()); |
833 |
} catch(Exception ex) { |
834 |
unexpectedException(); |
835 |
} finally { |
836 |
joinPool(e); |
837 |
} |
838 |
} |
839 |
|
840 |
/** |
841 |
* invokeAll(c) throws NPE if c has null elements |
842 |
*/ |
843 |
public void testInvokeAll3() { |
844 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
845 |
try { |
846 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
847 |
l.add(new StringTask()); |
848 |
l.add(null); |
849 |
e.invokeAll(l); |
850 |
} catch (NullPointerException success) { |
851 |
} catch(Exception ex) { |
852 |
unexpectedException(); |
853 |
} finally { |
854 |
joinPool(e); |
855 |
} |
856 |
} |
857 |
|
858 |
/** |
859 |
* get of invokeAll(c) throws exception on failed task |
860 |
*/ |
861 |
public void testInvokeAll4() { |
862 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
863 |
try { |
864 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
865 |
l.add(new NPETask()); |
866 |
List<Future<String>> result = e.invokeAll(l); |
867 |
assertEquals(1, result.size()); |
868 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
869 |
it.next().get(); |
870 |
} catch(ExecutionException success) { |
871 |
} catch(Exception ex) { |
872 |
unexpectedException(); |
873 |
} finally { |
874 |
joinPool(e); |
875 |
} |
876 |
} |
877 |
|
878 |
/** |
879 |
* invokeAll(c) returns results of all completed tasks |
880 |
*/ |
881 |
public void testInvokeAll5() { |
882 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
883 |
try { |
884 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
885 |
l.add(new StringTask()); |
886 |
l.add(new StringTask()); |
887 |
List<Future<String>> result = e.invokeAll(l); |
888 |
assertEquals(2, result.size()); |
889 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
890 |
assertSame(TEST_STRING, it.next().get()); |
891 |
} catch (ExecutionException success) { |
892 |
} catch(Exception ex) { |
893 |
unexpectedException(); |
894 |
} finally { |
895 |
joinPool(e); |
896 |
} |
897 |
} |
898 |
|
899 |
/** |
900 |
* timed invokeAny(null) throws NPE |
901 |
*/ |
902 |
public void testTimedInvokeAny1() { |
903 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
904 |
try { |
905 |
e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
906 |
} catch (NullPointerException success) { |
907 |
} catch(Exception ex) { |
908 |
unexpectedException(); |
909 |
} finally { |
910 |
joinPool(e); |
911 |
} |
912 |
} |
913 |
|
914 |
/** |
915 |
* timed invokeAny(,,null) throws NPE |
916 |
*/ |
917 |
public void testTimedInvokeAnyNullTimeUnit() { |
918 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
919 |
try { |
920 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
921 |
l.add(new StringTask()); |
922 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
923 |
} catch (NullPointerException success) { |
924 |
} catch(Exception ex) { |
925 |
unexpectedException(); |
926 |
} finally { |
927 |
joinPool(e); |
928 |
} |
929 |
} |
930 |
|
931 |
/** |
932 |
* timed invokeAny(empty collection) throws IAE |
933 |
*/ |
934 |
public void testTimedInvokeAny2() { |
935 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
936 |
try { |
937 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
938 |
} catch (IllegalArgumentException success) { |
939 |
} catch(Exception ex) { |
940 |
unexpectedException(); |
941 |
} finally { |
942 |
joinPool(e); |
943 |
} |
944 |
} |
945 |
|
946 |
/** |
947 |
* timed invokeAny(c) throws NPE if c has null elements |
948 |
*/ |
949 |
public void testTimedInvokeAny3() { |
950 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
951 |
try { |
952 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
953 |
l.add(new StringTask()); |
954 |
l.add(null); |
955 |
e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
956 |
} catch (NullPointerException success) { |
957 |
} catch(Exception ex) { |
958 |
ex.printStackTrace(); |
959 |
unexpectedException(); |
960 |
} finally { |
961 |
joinPool(e); |
962 |
} |
963 |
} |
964 |
|
965 |
/** |
966 |
* timed invokeAny(c) throws ExecutionException if no task completes |
967 |
*/ |
968 |
public void testTimedInvokeAny4() { |
969 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
970 |
try { |
971 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
972 |
l.add(new NPETask()); |
973 |
e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
974 |
} catch(ExecutionException success) { |
975 |
} catch(Exception ex) { |
976 |
unexpectedException(); |
977 |
} finally { |
978 |
joinPool(e); |
979 |
} |
980 |
} |
981 |
|
982 |
/** |
983 |
* timed invokeAny(c) returns result of some task |
984 |
*/ |
985 |
public void testTimedInvokeAny5() { |
986 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
987 |
try { |
988 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
989 |
l.add(new StringTask()); |
990 |
l.add(new StringTask()); |
991 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
992 |
assertSame(TEST_STRING, result); |
993 |
} catch (ExecutionException success) { |
994 |
} catch(Exception ex) { |
995 |
unexpectedException(); |
996 |
} finally { |
997 |
joinPool(e); |
998 |
} |
999 |
} |
1000 |
|
1001 |
/** |
1002 |
* timed invokeAll(null) throws NPE |
1003 |
*/ |
1004 |
public void testTimedInvokeAll1() { |
1005 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1006 |
try { |
1007 |
e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1008 |
} catch (NullPointerException success) { |
1009 |
} catch(Exception ex) { |
1010 |
unexpectedException(); |
1011 |
} finally { |
1012 |
joinPool(e); |
1013 |
} |
1014 |
} |
1015 |
|
1016 |
/** |
1017 |
* timed invokeAll(,,null) throws NPE |
1018 |
*/ |
1019 |
public void testTimedInvokeAllNullTimeUnit() { |
1020 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1021 |
try { |
1022 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1023 |
l.add(new StringTask()); |
1024 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1025 |
} catch (NullPointerException success) { |
1026 |
} catch(Exception ex) { |
1027 |
unexpectedException(); |
1028 |
} finally { |
1029 |
joinPool(e); |
1030 |
} |
1031 |
} |
1032 |
|
1033 |
/** |
1034 |
* timed invokeAll(empty collection) returns empty collection |
1035 |
*/ |
1036 |
public void testTimedInvokeAll2() { |
1037 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1038 |
try { |
1039 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1040 |
assertTrue(r.isEmpty()); |
1041 |
} catch(Exception ex) { |
1042 |
unexpectedException(); |
1043 |
} finally { |
1044 |
joinPool(e); |
1045 |
} |
1046 |
} |
1047 |
|
1048 |
/** |
1049 |
* timed invokeAll(c) throws NPE if c has null elements |
1050 |
*/ |
1051 |
public void testTimedInvokeAll3() { |
1052 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1053 |
try { |
1054 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1055 |
l.add(new StringTask()); |
1056 |
l.add(null); |
1057 |
e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1058 |
} catch (NullPointerException success) { |
1059 |
} catch(Exception ex) { |
1060 |
unexpectedException(); |
1061 |
} finally { |
1062 |
joinPool(e); |
1063 |
} |
1064 |
} |
1065 |
|
1066 |
/** |
1067 |
* get of element of invokeAll(c) throws exception on failed task |
1068 |
*/ |
1069 |
public void testTimedInvokeAll4() { |
1070 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1071 |
try { |
1072 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1073 |
l.add(new NPETask()); |
1074 |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1075 |
assertEquals(1, result.size()); |
1076 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
1077 |
it.next().get(); |
1078 |
} catch(ExecutionException success) { |
1079 |
} catch(Exception ex) { |
1080 |
unexpectedException(); |
1081 |
} finally { |
1082 |
joinPool(e); |
1083 |
} |
1084 |
} |
1085 |
|
1086 |
/** |
1087 |
* timed invokeAll(c) returns results of all completed tasks |
1088 |
*/ |
1089 |
public void testTimedInvokeAll5() { |
1090 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1091 |
try { |
1092 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1093 |
l.add(new StringTask()); |
1094 |
l.add(new StringTask()); |
1095 |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1096 |
assertEquals(2, result.size()); |
1097 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
1098 |
assertSame(TEST_STRING, it.next().get()); |
1099 |
} catch (ExecutionException success) { |
1100 |
} catch(Exception ex) { |
1101 |
unexpectedException(); |
1102 |
} finally { |
1103 |
joinPool(e); |
1104 |
} |
1105 |
} |
1106 |
|
1107 |
/** |
1108 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1109 |
*/ |
1110 |
public void testTimedInvokeAll6() { |
1111 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1112 |
try { |
1113 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1114 |
l.add(new StringTask()); |
1115 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1116 |
l.add(new StringTask()); |
1117 |
List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
1118 |
assertEquals(3, result.size()); |
1119 |
Iterator<Future<String>> it = result.iterator(); |
1120 |
Future<String> f1 = it.next(); |
1121 |
Future<String> f2 = it.next(); |
1122 |
Future<String> f3 = it.next(); |
1123 |
assertTrue(f1.isDone()); |
1124 |
assertTrue(f2.isDone()); |
1125 |
assertTrue(f3.isDone()); |
1126 |
assertFalse(f1.isCancelled()); |
1127 |
assertTrue(f2.isCancelled()); |
1128 |
} catch(Exception ex) { |
1129 |
unexpectedException(); |
1130 |
} finally { |
1131 |
joinPool(e); |
1132 |
} |
1133 |
} |
1134 |
|
1135 |
|
1136 |
} |