Package java.util.concurrent

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

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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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        assertEquals(three, k);
        assertFalse(i.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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        assertEquals(two, k);
        assertFalse(i.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 testDescendingContainsKey() {
        ConcurrentNavigableMap map = dmap5();
        assertTrue(map.containsKey(m1));
        assertFalse(map.containsKey(zero));
    }

    /**
     *  containsValue returns true for held values
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     *  containsKey returns true for contained key
     */
    public void testDescendingContainsKey() {
        ConcurrentNavigableMap map = dmap5();
        assertTrue(map.containsKey(m1));
        assertFalse(map.containsKey(zero));
    }

    /**
     *  containsValue returns true for held values
     */
 
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     *   putIfAbsent works when the given key is not present
     */
    public void testDescendingPutIfAbsent() {
        ConcurrentNavigableMap map = dmap5();
        map.putIfAbsent(six, "Z");
        assertTrue(map.containsKey(six));
    }

    /**
     *   putIfAbsent does not add the pair if the key is already present
     */
 
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     *   replace fails when the given key is not present
     */
    public void testDescendingReplace() {
        ConcurrentNavigableMap map = dmap5();
        assertNull(map.replace(six, "Z"));
        assertFalse(map.containsKey(six));
    }

    /**
     *   replace succeeds if the key is already present
     */
 
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     */
    public void testDescendingRemove() {
        ConcurrentNavigableMap map = dmap5();
        map.remove(m5);
        assertEquals(4, map.size());
        assertFalse(map.containsKey(m5));
    }

    /**
     * remove(key,value) removes only if pair present
     */
 
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    /**
     * remove(key,value) removes only if pair present
     */
    public void testDescendingRemove2() {
        ConcurrentNavigableMap map = dmap5();
        assertTrue(map.containsKey(m5));
        assertEquals("E", map.get(m5));
        map.remove(m5, "E");
        assertEquals(4, map.size());
        assertFalse(map.containsKey(m5));
        map.remove(m4, "A");
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        ConcurrentNavigableMap map = dmap5();
        assertTrue(map.containsKey(m5));
        assertEquals("E", map.get(m5));
        map.remove(m5, "E");
        assertEquals(4, map.size());
        assertFalse(map.containsKey(m5));
        map.remove(m4, "A");
        assertEquals(4, map.size());
        assertTrue(map.containsKey(m4));
    }
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