Package java.util.concurrent

Examples of java.util.concurrent.ConcurrentNavigableMap.containsKey()

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     */
    public void testRemove() {
        ConcurrentNavigableMap map = map5();
        map.remove(five);
        assertEquals(4, map.size());
        assertFalse(map.containsKey(five));
    }

    /**
     * remove(key,value) removes only if pair present
     */
 
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    /**
     * remove(key,value) removes only if pair present
     */
    public void testRemove2() {
        ConcurrentNavigableMap map = map5();
        assertTrue(map.containsKey(five));
        assertEquals("E", map.get(five));
        map.remove(five, "E");
        assertEquals(4, map.size());
        assertFalse(map.containsKey(five));
        map.remove(four, "A");
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        ConcurrentNavigableMap map = map5();
        assertTrue(map.containsKey(five));
        assertEquals("E", map.get(five));
        map.remove(five, "E");
        assertEquals(4, map.size());
        assertFalse(map.containsKey(five));
        map.remove(four, "A");
        assertEquals(4, map.size());
        assertTrue(map.containsKey(four));
    }
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        map.remove(five, "E");
        assertEquals(4, map.size());
        assertFalse(map.containsKey(five));
        map.remove(four, "A");
        assertEquals(4, map.size());
        assertTrue(map.containsKey(four));
    }

    /**
     * lowerEntry returns preceding entry.
     */
 
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     * containsKey(null) of nonempty map throws NPE
     */
    public void testContainsKey_NullPointerException() {
        try {
            ConcurrentNavigableMap c = map5();
            c.containsKey(null);
            shouldThrow();
        } catch (NullPointerException success) {}
    }

    /**
 
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        assertFalse(r.hasNext());

        Iterator j = sm.keySet().iterator();
        j.next();
        j.remove();
        assertFalse(map.containsKey(two));
        assertEquals(4, map.size());
        assertEquals(1, sm.size());
        assertEquals(three, sm.firstKey());
        assertEquals(three, sm.lastKey());
        assertEquals("C", sm.remove(three));
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        assertFalse(r.hasNext());

        Iterator j = sm.keySet().iterator();
        j.next();
        j.remove();
        assertFalse(map.containsKey(two));
        assertEquals(4, map.size());
        assertEquals(0, sm.size());
        assertTrue(sm.isEmpty());
        assertSame(sm.remove(three), null);
        assertEquals(4, map.size());
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    /**
     * containsKey returns true for contained key
     */
    public void testContainsKey() {
        ConcurrentNavigableMap map = map5();
        assertTrue(map.containsKey(one));
        assertFalse(map.containsKey(zero));
    }

    /**
     * containsValue returns true for held values
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     * containsKey returns true for contained key
     */
    public void testContainsKey() {
        ConcurrentNavigableMap map = map5();
        assertTrue(map.containsKey(one));
        assertFalse(map.containsKey(zero));
    }

    /**
     * containsValue returns true for held values
     */
 
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        ConcurrentNavigableMap map = map5();
        Set s = map.entrySet();
        Object[] ar = s.toArray();
        assertEquals(5, ar.length);
        for (int i = 0; i < 5; ++i) {
            assertTrue(map.containsKey(((Map.Entry)(ar[i])).getKey()));
            assertTrue(map.containsValue(((Map.Entry)(ar[i])).getValue()));
        }
    }

    /**
 
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