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Comparing jsr166/src/test/tck/ConcurrentLinkedDequeTest.java (file contents):
Revision 1.9 by jsr166, Tue May 31 16:16:23 2011 UTC vs.
Revision 1.13 by jsr166, Sun Nov 23 22:27:06 2014 UTC

# Line 9 | Line 9
9   import junit.framework.*;
10   import java.util.Arrays;
11   import java.util.Collection;
12 + import java.util.Deque;
13   import java.util.Iterator;
14   import java.util.NoSuchElementException;
15   import java.util.Queue;
# Line 26 | Line 27 | public class ConcurrentLinkedDequeTest e
27      }
28  
29      /**
30 <     * Create a deque of given size containing consecutive
30 >     * Returns a new deque of given size containing consecutive
31       * Integers 0 ... n.
32       */
33      private ConcurrentLinkedDeque<Integer> populatedDeque(int n) {
# Line 850 | Line 851 | public class ConcurrentLinkedDequeTest e
851          Queue x = populatedDeque(SIZE);
852          Queue y = serialClone(x);
853  
854 <        assertTrue(x != y);
854 >        assertNotSame(x, y);
855          assertEquals(x.size(), y.size());
856          assertEquals(x.toString(), y.toString());
857          assertTrue(Arrays.equals(x.toArray(), y.toArray()));
# Line 861 | Line 862 | public class ConcurrentLinkedDequeTest e
862          assertTrue(y.isEmpty());
863      }
864  
865 +    /**
866 +     * contains(null) always return false.
867 +     * remove(null) always throws NullPointerException.
868 +     */
869 +    public void testNeverContainsNull() {
870 +        Deque<?>[] qs = {
871 +            new ConcurrentLinkedDeque<Object>(),
872 +            populatedDeque(2),
873 +        };
874 +
875 +        for (Deque<?> q : qs) {
876 +            assertFalse(q.contains(null));
877 +            try {
878 +                assertFalse(q.remove(null));
879 +                shouldThrow();
880 +            } catch (NullPointerException success) {}
881 +            try {
882 +                assertFalse(q.removeFirstOccurrence(null));
883 +                shouldThrow();
884 +            } catch (NullPointerException success) {}
885 +            try {
886 +                assertFalse(q.removeLastOccurrence(null));
887 +                shouldThrow();
888 +            } catch (NullPointerException success) {}
889 +        }
890 +    }
891   }

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