/**
     * @throws Exception
     */
    @Before
    public void setUp() throws Exception {
        map = new ArrayMap<String, String>();
        map.put(null, null);
        map.put("1", "test");
        map.put("2", "test2");
    }

    /**
     * @throws Exception
     */
    @After
    public void tearDown() throws Exception {
        map = null;
    }

    /**