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Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.15 by dl, Wed Jan 7 01:13:50 2004 UTC vs.
Revision 1.21 by dl, Thu Jan 22 15:17:35 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 +            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       */
177      public void testExecuteNull() {
# Line 168 | 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 184 | 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 199 | 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 214 | Line 265 | public class ScheduledExecutorTest exten
265                                     MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
266              shouldThrow();
267          } catch(RejectedExecutionException success){
268 +        } catch (SecurityException ok) {
269          }
270          joinPool(se);
271      }
# Line 229 | Line 281 | public class ScheduledExecutorTest exten
281                                        MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
282              shouldThrow();
283          } catch(RejectedExecutionException success){
284 +        } catch (SecurityException ok) {
285          }
286          joinPool(se);
287      }
# Line 331 | Line 384 | public class ScheduledExecutorTest exten
384          ThreadFactory tf = new SimpleThreadFactory();
385          ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
386          assertSame(tf, p.getThreadFactory());
334        p.shutdown();
387          joinPool(p);
388      }
389  
# Line 343 | Line 395 | public class ScheduledExecutorTest exten
395          ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
396          p.setThreadFactory(tf);
397          assertSame(tf, p.getThreadFactory());
346        p.shutdown();
398          joinPool(p);
399      }
400  
# Line 371 | Line 422 | public class ScheduledExecutorTest exten
422              assertFalse(p1.isShutdown());
423          }
424          finally {
425 <            p1.shutdown();
425 >            try { p1.shutdown(); } catch(SecurityException ok) { return; }
426          }
427          assertTrue(p1.isShutdown());
428      }
# Line 385 | 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));
# Line 405 | 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 430 | Line 481 | public class ScheduledExecutorTest exten
481              BlockingQueue<Runnable> q = p1.getQueue();
482              assertTrue(q.contains(tasks[4]));
483              assertFalse(q.contains(tasks[0]));
433            p1.shutdownNow();
484          } catch(Exception e) {
485              unexpectedException();
486          } finally {
# Line 459 | 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]));
462            p1.shutdownNow();
512          } catch(Exception e) {
513              unexpectedException();
514          } finally {
# Line 474 | 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          }
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);
548      }
549  
550      /**
# Line 492 | 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 511 | 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 542 | 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 565 | 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 586 | 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);
664 >            assertTrue(task.cancel(true));
665              assertTrue(task.isDone());
666              Thread.sleep(SHORT_DELAY_MS);
667              assertTrue(p1.isTerminated());
# Line 602 | Line 669 | public class ScheduledExecutorTest exten
669          catch(Exception ex) {
670              unexpectedException();
671          }
672 <        finally {
673 <            p1.shutdownNow();
672 >        finally {
673 >            joinPool(p1);
674          }
675      }
676  
# Line 667 | Line 734 | public class ScheduledExecutorTest exten
734          }
735      }
736  
670
671
672
673
737      /**
738       * invokeAny(null) throws NPE
739       */

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