public void testToPrimitiveInt() throws Exception {
        assertEquals(1000, IntegerConversionUtil.toPrimitiveInt("1,000"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveIntForEmptyString() throws Exception {
        assertEquals(0, IntegerConversionUtil.toPrimitiveInt(""));
    }

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