@Test
public void testGet() throws Exception {

    Map<String, String> theMap = new CaseinsensitiveMap<String>();
    theMap.put("UPPER", "UPPER");
    theMap.put("lower", "lower");
    assertEquals("UPPER", theMap.get("upper"));
    assertEquals("UPPER", theMap.get("UPPER"));
    
    assertEquals("lower", theMap.get("lower"));
    assertEquals("lower", theMap.get("LOWER"));
}