    @Test
    public void testRandom() {

        for (int length = 1; length < 10; length++) {
            String value = RandomStringUtils.random(length);
            //LOGGER.debug( "random alphanumeric string: " + value );

            Assert.assertEquals(
                    "random string has a length of " + length,
                    length, value.length());

            Assert.assertTrue(
                    "random string is alphanumeric",
                    isAsciiAlphanumeric(value));
        }
    }