final String delim = NumberConversionUtil.findGroupingSeparator(Locale.GERMANY);
        assertEquals(".", delim);
    }

    /**
     * @throws Exception
     */
    public void testFindIntegerDelimeter3() throws Exception {
        final String delim = NumberConversionUtil.findGroupingSeparator(null);
        final char c = new DecimalFormatSymbols(LocaleUtil.getDefault()).getGroupingSeparator();