Package java.util.concurrent

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

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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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    /**
     * 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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     * putIfAbsent works when the given key is not present
     */
    public void testPutIfAbsent() {
        ConcurrentNavigableMap map = map5();
        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 testReplace() {
        ConcurrentNavigableMap map = map5();
        assertNull(map.replace(six, "Z"));
        assertFalse(map.containsKey(six));
    }

    /**
     * replace succeeds if the key is already present
     */
 
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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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