@Test
public void emptyNullStringShouldWork() throws Exception {

    CsvParser parser = new CsvParser(';', '"', "");
    String testRow = "null;\"\";;\"\"";
    List<String> expectedResult = Arrays.asList("null", null, null, null);
    List<String> result = parser.parse(testRow);
    Assert.assertEquals(expectedResult, result);
}