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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.14 by dl, Sun Dec 28 21:56:18 2003 UTC vs.
Revision 1.19 by dl, Thu Jan 22 14:07:50 2004 UTC

#	Line 9 | Line 9
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) {
#	Line 29 | 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){
#	Line 58 | 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 79 | 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();
#	Line 98 | Line 99 | public class ScheduledExecutorTest exten
99		Thread.sleep(MEDIUM_DELAY_MS);
100		assertTrue(runnable.done);
101		h.cancel(true);
101	–	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 117 | Line 122 | public class ScheduledExecutorTest exten
122		Thread.sleep(MEDIUM_DELAY_MS);
123		assertTrue(runnable.done);
124		h.cancel(true);
120	–	p1.shutdown();
125		joinPool(p1);
126		} catch(Exception e){
127		unexpectedException();
#	Line 125 | Line 129 | public class ScheduledExecutorTest exten
129		}
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	+	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);
165	+	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	+
175	+
176	+	/**
177		*  execute (null) throws NPE
178		*/
179		public void testExecuteNull() {
#	Line 168 | Line 217 | public class ScheduledExecutorTest exten
217		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
218		shouldThrow();
219		} catch(RejectedExecutionException success){
220	+	} catch (SecurityException ok) {
221		}
222	+
223		joinPool(se);
224
225		}
#	Line 184 | Line 235 | public class ScheduledExecutorTest exten
235		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
236		shouldThrow();
237		} catch(RejectedExecutionException success){
238	+	} catch (SecurityException ok) {
239		}
240		joinPool(se);
241		}
#	Line 199 | Line 251 | public class ScheduledExecutorTest exten
251		MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
252		shouldThrow();
253		} catch(RejectedExecutionException success){
254	<	}
254	>	} catch (SecurityException ok) {
255	>	}
256		joinPool(se);
257		}
258
#	Line 214 | Line 267 | public class ScheduledExecutorTest exten
267		MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
268		shouldThrow();
269		} catch(RejectedExecutionException success){
270	+	} catch (SecurityException ok) {
271		}
272		joinPool(se);
273		}
#	Line 229 | Line 283 | public class ScheduledExecutorTest exten
283		MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
284		shouldThrow();
285		} catch(RejectedExecutionException success){
286	+	} catch (SecurityException ok) {
287		}
288		joinPool(se);
289		}
#	Line 331 | Line 386 | public class ScheduledExecutorTest exten
386		ThreadFactory tf = new SimpleThreadFactory();
387		ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
388		assertSame(tf, p.getThreadFactory());
334	–	p.shutdown();
389		joinPool(p);
390		}
391
#	Line 343 | Line 397 | public class ScheduledExecutorTest exten
397		ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
398		p.setThreadFactory(tf);
399		assertSame(tf, p.getThreadFactory());
346	–	p.shutdown();
400		joinPool(p);
401		}
402
#	Line 371 | Line 424 | public class ScheduledExecutorTest exten
424		assertFalse(p1.isShutdown());
425		}
426		finally {
427	<	p1.shutdown();
427	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
428		}
429		assertTrue(p1.isShutdown());
430		}
#	Line 385 | Line 438 | public class ScheduledExecutorTest exten
438		try {
439		p1.execute(new SmallRunnable());
440		} finally {
441	<	p1.shutdown();
441	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
442		}
443		try {
444		assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
#	Line 405 | Line 458 | public class ScheduledExecutorTest exten
458		p1.execute(new SmallRunnable());
459		assertFalse(p1.isTerminating());
460		} finally {
461	<	p1.shutdown();
461	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
462		}
463		try {
464		assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
#	Line 430 | Line 483 | public class ScheduledExecutorTest exten
483		BlockingQueue<Runnable> q = p1.getQueue();
484		assertTrue(q.contains(tasks[4]));
485		assertFalse(q.contains(tasks[0]));
433	–	p1.shutdownNow();
486		} catch(Exception e) {
487		unexpectedException();
488		} finally {
#	Line 445 | Line 497 | public class ScheduledExecutorTest exten
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);
500	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
501		}
502		try {
503		Thread.sleep(SHORT_DELAY_MS);
#	Line 459 | Line 511 | public class ScheduledExecutorTest exten
511		assertTrue(q.contains((Runnable)tasks[3]));
512		assertTrue(p1.remove((Runnable)tasks[3]));
513		assertFalse(q.contains((Runnable)tasks[3]));
462	–	p1.shutdownNow();
514		} catch(Exception e) {
515		unexpectedException();
516		} finally {
#	Line 474 | Line 525 | public class ScheduledExecutorTest exten
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);
528	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
529	>	}
530	>	try {
531	>	int max = 5;
532	>	if (tasks[4].cancel(true)) --max;
533	>	if (tasks[3].cancel(true)) --max;
534	>	// There must eventually be an interference-free point at
535	>	// which purge will not fail. (At worst, when queue is empty.)
536	>	int k;
537	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
538	>	p1.purge();
539	>	long count = p1.getTaskCount();
540	>	if (count >= 0 && count <= max)
541	>	break;
542	>	Thread.sleep(1);
543	>	}
544	>	assertTrue(k < SMALL_DELAY_MS);
545	>	} catch(Exception e) {
546	>	unexpectedException();
547	>	} finally {
548	>	joinPool(p1);
549		}
479	–	int max = 5;
480	–	if (tasks[4].cancel(true)) --max;
481	–	if (tasks[3].cancel(true)) --max;
482	–	p1.purge();
483	–	long count = p1.getTaskCount();
484	–	assertTrue(count > 0 && count <= max);
485	–	joinPool(p1);
550		}
551
552		/**
#	Line 492 | Line 556 | public class ScheduledExecutorTest exten
556		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
557		for(int i = 0; i < 5; i++)
558		p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
559	<	List l = p1.shutdownNow();
559	>	List l;
560	>	try {
561	>	l = p1.shutdownNow();
562	>	} catch (SecurityException ok) {
563	>	return;
564	>	}
565		assertTrue(p1.isShutdown());
566		assertTrue(l.size() > 0 && l.size() <= 5);
567		joinPool(p1);
#	Line 511 | Line 580 | public class ScheduledExecutorTest exten
580		ScheduledFuture[] tasks = new ScheduledFuture[5];
581		for(int i = 0; i < 5; i++)
582		tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
583	<	p1.shutdown();
583	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
584		BlockingQueue q = p1.getQueue();
585		for (Iterator it = q.iterator(); it.hasNext();) {
586		ScheduledFuture t = (ScheduledFuture)it.next();
#	Line 542 | Line 611 | public class ScheduledExecutorTest exten
611		ScheduledFuture[] tasks = new ScheduledFuture[5];
612		for(int i = 0; i < 5; i++)
613		tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
614	<	p1.shutdown();
614	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
615		assertTrue(p1.isShutdown());
616		BlockingQueue q = p1.getQueue();
617		assertTrue(q.isEmpty());
#	Line 565 | Line 634 | public class ScheduledExecutorTest exten
634		p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
635		ScheduledFuture task =
636		p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
637	<	p1.shutdown();
637	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
638		assertTrue(p1.isShutdown());
639		BlockingQueue q = p1.getQueue();
640		assertTrue(q.isEmpty());
#	Line 586 | Line 655 | public class ScheduledExecutorTest exten
655		try {
656		p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
657		ScheduledFuture task =
658	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
658	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
659		assertFalse(task.isCancelled());
660	<	p1.shutdown();
660	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
661		assertFalse(task.isCancelled());
662		assertFalse(p1.isTerminated());
663		assertTrue(p1.isShutdown());
664		Thread.sleep(SHORT_DELAY_MS);
665		assertFalse(task.isCancelled());
666	<	task.cancel(true);
667	<	assertTrue(task.isCancelled());
666	>	assertTrue(task.cancel(true));
667	>	assertTrue(task.isDone());
668		Thread.sleep(SHORT_DELAY_MS);
669		assertTrue(p1.isTerminated());
670		}
671		catch(Exception ex) {
672		unexpectedException();
673		}
674	<	finally {
675	<	p1.shutdownNow();
674	>	finally {
675	>	joinPool(p1);
676		}
677		}
678
#	Line 667 | Line 736 | public class ScheduledExecutorTest exten
736		}
737		}
738
670	–
671	–
672	–
673	–
739		/**
740		* invokeAny(null) throws NPE
741		*/

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