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root/jsr166/jsr166/src/test/tck/DelayQueueTest.java
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Comparing jsr166/src/test/tck/DelayQueueTest.java (file contents):
Revision 1.6 by dl, Sun Oct 5 23:00:40 2003 UTC vs.
Revision 1.12 by dl, Fri Jun 10 18:13:27 2005 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.*;
# Line 21 | Line 22 | public class DelayQueueTest extends JSR1
22      private static final int NOCAP = Integer.MAX_VALUE;
23  
24      /**
25 <     * A delayed implmentation for testing.
25 >     * A delayed implementation for testing.
26       * Most  tests use Pseudodelays, where delays are all elapsed
27       * (so, no blocking solely for delays) but are still ordered
28       */
29      static class PDelay implements Delayed {
30          int pseudodelay;
31          PDelay(int i) { pseudodelay = Integer.MIN_VALUE + i; }
32 <        public int compareTo(Object y) {
32 >        public int compareTo(PDelay y) {
33              int i = pseudodelay;
34              int j = ((PDelay)y).pseudodelay;
35              if (i < j) return -1;
# Line 36 | Line 37 | public class DelayQueueTest extends JSR1
37              return 0;
38          }
39  
40 <        public int compareTo(PDelay y) {
40 >        public int compareTo(Delayed y) {
41              int i = pseudodelay;
42              int j = ((PDelay)y).pseudodelay;
43              if (i < j) return -1;
# Line 73 | Line 74 | public class DelayQueueTest extends JSR1
74          NanoDelay(long i) {
75              trigger = System.nanoTime() + i;
76          }
77 <        public int compareTo(Object y) {
77 >        public int compareTo(NanoDelay y) {
78              long i = trigger;
79              long j = ((NanoDelay)y).trigger;
80              if (i < j) return -1;
# Line 81 | Line 82 | public class DelayQueueTest extends JSR1
82              return 0;
83          }
84  
85 <        public int compareTo(NanoDelay y) {
85 >        public int compareTo(Delayed y) {
86              long i = trigger;
87              long j = ((NanoDelay)y).trigger;
88              if (i < j) return -1;
# Line 591 | Line 592 | public class DelayQueueTest extends JSR1
592          for (int i = 0; i < SIZE; ++i) {
593              assertEquals(new PDelay(i), ((PDelay)q.peek()));
594              q.poll();
595 <            assertTrue(q.peek() == null ||
596 <                       i != ((PDelay)q.peek()).intValue());
595 >            if (q.isEmpty())
596 >                assertNull(q.peek());
597 >            else
598 >                assertTrue(i != ((PDelay)q.peek()).intValue());
599          }
600          assertNull(q.peek());
601      }
# Line 664 | Line 667 | public class DelayQueueTest extends JSR1
667          assertTrue(q.isEmpty());
668          assertEquals(0, q.size());
669          assertEquals(NOCAP, q.remainingCapacity());
670 <        q.add(new PDelay(1));
670 >        PDelay x = new PDelay(1);
671 >        q.add(x);
672          assertFalse(q.isEmpty());
673 +        assertTrue(q.contains(x));
674          q.clear();
675          assertTrue(q.isEmpty());
676      }
# Line 763 | Line 768 | public class DelayQueueTest extends JSR1
768      }
769  
770      /**
771 <     * toArray with incompatable array type throws CCE
771 >     * toArray with incompatible array type throws CCE
772       */
773      public void testToArray1_BadArg() {
774          try {
# Line 852 | Line 857 | public class DelayQueueTest extends JSR1
857  
858  
859      /**
860 <     * Dekayed actions do not occur until their delay elapses
860 >     * Delayed actions do not occur until their delay elapses
861       */
862      public void testDelay() {
863          DelayQueue q = new DelayQueue();
# Line 880 | Line 885 | public class DelayQueueTest extends JSR1
885          }
886      }
887  
888 +    /**
889 +     * peek of a non-empty queue returns non-null even if not expired
890 +     */
891 +    public void testPeekDelayed() {
892 +        DelayQueue q = new DelayQueue();
893 +        q.add(new NanoDelay(Long.MAX_VALUE));
894 +        assert(q.peek() != null);
895 +    }
896 +
897 +    /**
898 +     * poll of a non-empty queue returns null if no expired elements.
899 +     */
900 +    public void testPollDelayed() {
901 +        DelayQueue q = new DelayQueue();
902 +        q.add(new NanoDelay(Long.MAX_VALUE));
903 +        assertNull(q.poll());
904 +    }
905  
906      /**
907       * drainTo(null) throws NPE
# Line 909 | Line 931 | public class DelayQueueTest extends JSR1
931       * drainTo(c) empties queue into another collection c
932       */
933      public void testDrainTo() {
934 <        DelayQueue q = populatedQueue(SIZE);
934 >        DelayQueue q = new DelayQueue();
935 >        PDelay[] elems = new PDelay[SIZE];
936 >        for (int i = 0; i < SIZE; ++i) {
937 >            elems[i] = new PDelay(i);
938 >            q.add(elems[i]);
939 >        }
940          ArrayList l = new ArrayList();
941          q.drainTo(l);
942          assertEquals(q.size(), 0);
943 <        assertEquals(l.size(), SIZE);
943 >        for (int i = 0; i < SIZE; ++i)
944 >            assertEquals(l.get(i), elems[i]);
945 >        q.add(elems[0]);
946 >        q.add(elems[1]);
947 >        assertFalse(q.isEmpty());
948 >        assertTrue(q.contains(elems[0]));
949 >        assertTrue(q.contains(elems[1]));
950 >        l.clear();
951 >        q.drainTo(l);
952 >        assertEquals(q.size(), 0);
953 >        assertEquals(l.size(), 2);
954 >        for (int i = 0; i < 2; ++i)
955 >            assertEquals(l.get(i), elems[i]);
956      }
957  
958      /**
# Line 932 | Line 971 | public class DelayQueueTest extends JSR1
971              q.drainTo(l);
972              assertTrue(l.size() >= SIZE);
973              t.join();
974 <            assertTrue(q.size() + l.size() == SIZE+1);
974 >            assertTrue(q.size() + l.size() >= SIZE);
975          } catch(Exception e){
976              unexpectedException();
977          }

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