@Test
    public void test() throws ParseException {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        Date start = sdf.parse("2013-01-12");
        Date end = sdf.parse("2013-02-01");
        RandomDateGenerator randomDateGenerator = new RandomDateGenerator("table1", "column1", start, end);
        System.err.println(randomDateGenerator.next());
        System.err.println(randomDateGenerator.next());
        System.err.println(randomDateGenerator.next());
        System.err.println(randomDateGenerator.next());
        System.err.println(randomDateGenerator.next());
    }