public void testToPrimitiveLong() throws Exception {
        assertEquals(1000, LongConversionUtil.toPrimitiveLong("1,000"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveLongForEmptyString() throws Exception {
        assertEquals(0, LongConversionUtil.toPrimitiveLong(""));
    }

    /**
     * @throws Exception
     */
    public void testToLongForEmptyString() throws Exception {