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root/jsr166/jsr166/src/test/tck/ScheduledExecutorTest.java

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.11 by dl, Tue Dec 23 19:40:24 2003 UTC vs.
Revision 1.22 by jsr166, Mon Nov 2 20:28:32 2009 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
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
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	+	import java.util.concurrent.atomic.*;
13
14		public class ScheduledExecutorTest extends JSR166TestCase {
15		public static void main(String[] args) {
16	<	junit.textui.TestRunner.run (suite());
16	>	junit.textui.TestRunner.run (suite());
17		}
18		public static Test suite() {
19		return new TestSuite(ScheduledExecutorTest.class);
#	Line 28 | Line 30 | public class ScheduledExecutorTest exten
30		p1.execute(runnable);
31		assertFalse(runnable.done);
32		Thread.sleep(SHORT_DELAY_MS);
33	<	p1.shutdown();
33	>	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	<	p1.shutdown();
40	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
41		joinPool(p1);
42		}
43		catch(Exception e){
44		unexpectedException();
45		}
46	<
46	>
47		}
48
49
#	Line 57 | Line 59 | public class ScheduledExecutorTest exten
59		Thread.sleep(MEDIUM_DELAY_MS);
60		assertTrue(callable.done);
61		assertEquals(Boolean.TRUE, f.get());
62	<	p1.shutdown();
62	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
63		joinPool(p1);
64		} catch(RejectedExecutionException e){}
65		catch(Exception e){
#	Line 78 | Line 80 | public class ScheduledExecutorTest exten
80		assertFalse(runnable.done);
81		Thread.sleep(MEDIUM_DELAY_MS);
82		assertTrue(runnable.done);
83	<	p1.shutdown();
83	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
84		joinPool(p1);
85		} catch(Exception e){
86		unexpectedException();
87		}
88		}
89	<
89	>
90		/**
91		* scheduleAtFixedRate executes runnable after given initial delay
92		*/
#	Line 97 | Line 99 | public class ScheduledExecutorTest exten
99		Thread.sleep(MEDIUM_DELAY_MS);
100		assertTrue(runnable.done);
101		h.cancel(true);
100	–	p1.shutdown();
102		joinPool(p1);
103		} catch(Exception e){
104		unexpectedException();
105		}
106		}
107
108	+	static class RunnableCounter implements Runnable {
109	+	AtomicInteger count = new AtomicInteger(0);
110	+	public void run() { count.getAndIncrement(); }
111	+	}
112	+
113		/**
114		* scheduleWithFixedDelay executes runnable after given initial delay
115		*/
#	Line 116 | Line 122 | public class ScheduledExecutorTest exten
122		Thread.sleep(MEDIUM_DELAY_MS);
123		assertTrue(runnable.done);
124		h.cancel(true);
119	–	p1.shutdown();
125		joinPool(p1);
126		} catch(Exception e){
127		unexpectedException();
128		}
129		}
130	<
130	>
131	>	/**
132	>	* scheduleAtFixedRate executes series of tasks at given rate
133	>	*/
134	>	public void testFixedRateSequence() {
135	>	try {
136	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
137	>	RunnableCounter counter = new RunnableCounter();
138	>	ScheduledFuture h =
139	>	p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
140	>	Thread.sleep(SMALL_DELAY_MS);
141	>	h.cancel(true);
142	>	int c = counter.count.get();
143	>	// By time scaling conventions, we must have at least
144	>	// 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	>	joinPool(p1);
148	>	} catch(Exception e){
149	>	unexpectedException();
150	>	}
151	>	}
152	>
153	>	/**
154	>	* scheduleWithFixedDelay executes series of tasks with given period
155	>	*/
156	>	public void testFixedDelaySequence() {
157	>	try {
158	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
159	>	RunnableCounter counter = new RunnableCounter();
160	>	ScheduledFuture h =
161	>	p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
162	>	Thread.sleep(SMALL_DELAY_MS);
163	>	h.cancel(true);
164	>	int c = counter.count.get();
165	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
166	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
167	>	joinPool(p1);
168	>	} catch(Exception e){
169	>	unexpectedException();
170	>	}
171	>	}
172	>
173	>
174		/**
175		*  execute (null) throws NPE
176		*/
#	Line 136 | Line 184 | public class ScheduledExecutorTest exten
184		catch(Exception e){
185		unexpectedException();
186		}
187	<
187	>
188		joinPool(se);
189		}
190
#	Line 155 | Line 203 | public class ScheduledExecutorTest exten
203		}
204		joinPool(se);
205		}
206	<
206	>
207		/**
208		* execute throws RejectedExecutionException if shutdown
209		*/
#	Line 167 | Line 215 | public class ScheduledExecutorTest exten
215		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
216		shouldThrow();
217		} catch(RejectedExecutionException success){
218	+	} catch (SecurityException ok) {
219		}
220	+
221		joinPool(se);
222
223		}
#	Line 183 | Line 233 | public class ScheduledExecutorTest exten
233		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
234		shouldThrow();
235		} catch(RejectedExecutionException success){
236	+	} catch (SecurityException ok) {
237		}
238		joinPool(se);
239		}
#	Line 198 | Line 249 | public class ScheduledExecutorTest exten
249		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
250		shouldThrow();
251		} catch(RejectedExecutionException success){
252	<	}
252	>	} catch (SecurityException ok) {
253	>	}
254		joinPool(se);
255		}
256
#	Line 213 | Line 265 | public class ScheduledExecutorTest exten
265		MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
266		shouldThrow();
267		} catch(RejectedExecutionException success){
268	<	}
268	>	} catch (SecurityException ok) {
269	>	}
270		joinPool(se);
271		}
272	<
272	>
273		/**
274		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
275		*/
#	Line 228 | Line 281 | public class ScheduledExecutorTest exten
281		MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
282		shouldThrow();
283		} catch(RejectedExecutionException success){
284	<	}
284	>	} catch (SecurityException ok) {
285	>	}
286		joinPool(se);
287		}
288
#	Line 248 | Line 302 | public class ScheduledExecutorTest exten
302		assertEquals(1, p2.getActiveCount());
303		joinPool(p2);
304		}
305	<
305	>
306		/**
307		*    getCompletedTaskCount increases, but doesn't overestimate,
308		*   when tasks complete
#	Line 265 | Line 319 | public class ScheduledExecutorTest exten
319		assertEquals(1, p2.getCompletedTaskCount());
320		joinPool(p2);
321		}
322	<
322	>
323		/**
324	<	*  getCorePoolSize returns size given in constructor if not otherwise set
324	>	*  getCorePoolSize returns size given in constructor if not otherwise set
325		*/
326		public void testGetCorePoolSize() {
327		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
328		assertEquals(1, p1.getCorePoolSize());
329		joinPool(p1);
330		}
331	<
331	>
332		/**
333		*    getLargestPoolSize increases, but doesn't overestimate, when
334		*   multiple threads active
#	Line 292 | Line 346 | public class ScheduledExecutorTest exten
346		assertEquals(2, p2.getLargestPoolSize());
347		joinPool(p2);
348		}
349	<
349	>
350		/**
351		*   getPoolSize increases, but doesn't overestimate, when threads
352		*   become active
#	Line 304 | Line 358 | public class ScheduledExecutorTest exten
358		assertEquals(1, p1.getPoolSize());
359		joinPool(p1);
360		}
361	<
361	>
362		/**
363		*    getTaskCount increases, but doesn't overestimate, when tasks
364		*    submitted
#	Line 323 | Line 377 | public class ScheduledExecutorTest exten
377		joinPool(p1);
378		}
379
380	<	/**
380	>	/**
381		* getThreadFactory returns factory in constructor if not set
382		*/
383		public void testGetThreadFactory() {
384		ThreadFactory tf = new SimpleThreadFactory();
385		ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
386		assertSame(tf, p.getThreadFactory());
333	–	p.shutdown();
387		joinPool(p);
388		}
389
390	<	/**
390	>	/**
391		* setThreadFactory sets the thread factory returned by getThreadFactory
392		*/
393		public void testSetThreadFactory() {
#	Line 342 | Line 395 | public class ScheduledExecutorTest exten
395		ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
396		p.setThreadFactory(tf);
397		assertSame(tf, p.getThreadFactory());
345	–	p.shutdown();
398		joinPool(p);
399		}
400
401	<	/**
401	>	/**
402		* setThreadFactory(null) throws NPE
403		*/
404		public void testSetThreadFactoryNull() {
#	Line 359 | Line 411 | public class ScheduledExecutorTest exten
411		joinPool(p);
412		}
413		}
414	<
414	>
415		/**
416		*   is isShutDown is false before shutdown, true after
417		*/
418		public void testIsShutdown() {
419	<
419	>
420		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
421		try {
422		assertFalse(p1.isShutdown());
423		}
424		finally {
425	<	p1.shutdown();
425	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
426		}
427		assertTrue(p1.isShutdown());
428		}
429
430	<
430	>
431		/**
432		*   isTerminated is false before termination, true after
433		*/
#	Line 384 | Line 436 | public class ScheduledExecutorTest exten
436		try {
437		p1.execute(new SmallRunnable());
438		} finally {
439	<	p1.shutdown();
439	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
440		}
441		try {
442		assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
443		assertTrue(p1.isTerminated());
444		} catch(Exception e){
445		unexpectedException();
446	<	}
446	>	}
447		}
448
449		/**
#	Line 404 | Line 456 | public class ScheduledExecutorTest exten
456		p1.execute(new SmallRunnable());
457		assertFalse(p1.isTerminating());
458		} finally {
459	<	p1.shutdown();
459	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
460		}
461		try {
462		assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
#	Line 412 | Line 464 | public class ScheduledExecutorTest exten
464		assertFalse(p1.isTerminating());
465		} catch(Exception e){
466		unexpectedException();
467	<	}
467	>	}
468		}
469
470		/**
#	Line 429 | Line 481 | public class ScheduledExecutorTest exten
481		BlockingQueue<Runnable> q = p1.getQueue();
482		assertTrue(q.contains(tasks[4]));
483		assertFalse(q.contains(tasks[0]));
432	–	p1.shutdownNow();
484		} catch(Exception e) {
485		unexpectedException();
486		} finally {
#	Line 458 | Line 509 | public class ScheduledExecutorTest exten
509		assertTrue(q.contains((Runnable)tasks[3]));
510		assertTrue(p1.remove((Runnable)tasks[3]));
511		assertFalse(q.contains((Runnable)tasks[3]));
461	–	p1.shutdownNow();
512		} catch(Exception e) {
513		unexpectedException();
514		} finally {
#	Line 473 | Line 523 | public class ScheduledExecutorTest exten
523		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
524		ScheduledFuture[] tasks = new ScheduledFuture[5];
525		for(int i = 0; i < 5; i++){
526	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
526	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
527	>	}
528	>	try {
529	>	int max = 5;
530	>	if (tasks[4].cancel(true)) --max;
531	>	if (tasks[3].cancel(true)) --max;
532	>	// There must eventually be an interference-free point at
533	>	// which purge will not fail. (At worst, when queue is empty.)
534	>	int k;
535	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
536	>	p1.purge();
537	>	long count = p1.getTaskCount();
538	>	if (count >= 0 && count <= max)
539	>	break;
540	>	Thread.sleep(1);
541	>	}
542	>	assertTrue(k < SMALL_DELAY_MS);
543	>	} catch(Exception e) {
544	>	unexpectedException();
545	>	} finally {
546	>	joinPool(p1);
547		}
478	–	int max = 5;
479	–	if (tasks[4].cancel(true)) --max;
480	–	if (tasks[3].cancel(true)) --max;
481	–	p1.purge();
482	–	long count = p1.getTaskCount();
483	–	assertTrue(count > 0 && count <= max);
484	–	joinPool(p1);
548		}
549
550		/**
#	Line 491 | Line 554 | public class ScheduledExecutorTest exten
554		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
555		for(int i = 0; i < 5; i++)
556		p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
557	<	List l = p1.shutdownNow();
557	>	List l;
558	>	try {
559	>	l = p1.shutdownNow();
560	>	} catch (SecurityException ok) {
561	>	return;
562	>	}
563		assertTrue(p1.isShutdown());
564		assertTrue(l.size() > 0 && l.size() <= 5);
565		joinPool(p1);
#	Line 510 | Line 578 | public class ScheduledExecutorTest exten
578		ScheduledFuture[] tasks = new ScheduledFuture[5];
579		for(int i = 0; i < 5; i++)
580		tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
581	<	p1.shutdown();
581	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
582		BlockingQueue q = p1.getQueue();
583		for (Iterator it = q.iterator(); it.hasNext();) {
584		ScheduledFuture t = (ScheduledFuture)it.next();
#	Line 522 | Line 590 | public class ScheduledExecutorTest exten
590		assertTrue(tasks[i].isDone());
591		assertFalse(tasks[i].isCancelled());
592		}
593	<
593	>
594		}
595		catch(Exception ex) {
596		unexpectedException();
#	Line 541 | Line 609 | public class ScheduledExecutorTest exten
609		ScheduledFuture[] tasks = new ScheduledFuture[5];
610		for(int i = 0; i < 5; i++)
611		tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
612	<	p1.shutdown();
612	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
613		assertTrue(p1.isShutdown());
614		BlockingQueue q = p1.getQueue();
615		assertTrue(q.isEmpty());
#	Line 564 | Line 632 | public class ScheduledExecutorTest exten
632		p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
633		ScheduledFuture task =
634		p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
635	<	p1.shutdown();
635	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
636		assertTrue(p1.isShutdown());
637		BlockingQueue q = p1.getQueue();
638		assertTrue(q.isEmpty());
#	Line 585 | Line 653 | public class ScheduledExecutorTest exten
653		try {
654		p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
655		ScheduledFuture task =
656	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
656	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
657		assertFalse(task.isCancelled());
658	<	p1.shutdown();
658	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
659		assertFalse(task.isCancelled());
660		assertFalse(p1.isTerminated());
661		assertTrue(p1.isShutdown());
662		Thread.sleep(SHORT_DELAY_MS);
663		assertFalse(task.isCancelled());
664	<	task.cancel(true);
665	<	assertTrue(task.isCancelled());
664	>	assertTrue(task.cancel(true));
665	>	assertTrue(task.isDone());
666		Thread.sleep(SHORT_DELAY_MS);
667		assertTrue(p1.isTerminated());
668		}
#	Line 602 | Line 670 | public class ScheduledExecutorTest exten
670		unexpectedException();
671		}
672		finally {
673	<	p1.shutdownNow();
673	>	joinPool(p1);
674		}
675		}
676
#	Line 666 | Line 734 | public class ScheduledExecutorTest exten
734		}
735		}
736
669	–
670	–
671	–
672	–
737		/**
738		* invokeAny(null) throws NPE
739		*/
#	Line 812 | Line 876 | public class ScheduledExecutorTest exten
876		l.add(new NPETask());
877		List<Future<String>> result = e.invokeAll(l);
878		assertEquals(1, result.size());
879	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
879	>	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
880		it.next().get();
881		} catch(ExecutionException success) {
882		} catch(Exception ex) {
#	Line 833 | Line 897 | public class ScheduledExecutorTest exten
897		l.add(new StringTask());
898		List<Future<String>> result = e.invokeAll(l);
899		assertEquals(2, result.size());
900	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
900	>	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
901		assertSame(TEST_STRING, it.next().get());
902		} catch (ExecutionException success) {
903		} catch(Exception ex) {
#	Line 1020 | Line 1084 | public class ScheduledExecutorTest exten
1084		l.add(new NPETask());
1085		List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1086		assertEquals(1, result.size());
1087	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1087	>	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1088		it.next().get();
1089		} catch(ExecutionException success) {
1090		} catch(Exception ex) {
#	Line 1041 | Line 1105 | public class ScheduledExecutorTest exten
1105		l.add(new StringTask());
1106		List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1107		assertEquals(2, result.size());
1108	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1108	>	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1109		assertSame(TEST_STRING, it.next().get());
1110		} catch (ExecutionException success) {
1111		} catch(Exception ex) {
#	Line 1059 | Line 1123 | public class ScheduledExecutorTest exten
1123		try {
1124		ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1125		l.add(new StringTask());
1126	<	l.add(Executors.callable(new MediumInterruptedRunnable(), TEST_STRING));
1126	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1127	>	l.add(new StringTask());
1128		List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1129	<	assertEquals(2, result.size());
1130	<	Iterator<Future<String>> it = result.iterator();
1129	>	assertEquals(3, result.size());
1130	>	Iterator<Future<String>> it = result.iterator();
1131		Future<String> f1 = it.next();
1132		Future<String> f2 = it.next();
1133	+	Future<String> f3 = it.next();
1134		assertTrue(f1.isDone());
1069	–	assertFalse(f1.isCancelled());
1135		assertTrue(f2.isDone());
1136	+	assertTrue(f3.isDone());
1137	+	assertFalse(f1.isCancelled());
1138		assertTrue(f2.isCancelled());
1139		} catch(Exception ex) {
1140		unexpectedException();

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