@Test
    public void testConvertAddressNotRange() throws Exception
    {
        // Setup test fixture.
        final String input = "198.51.100.4";

        // Execute system under test.
        final String result = IpUtils.convertIpv4WildcardRangeToCidrNotation(input);

        // Verify results.
        assertEquals("198.51.100.4", result);
    }
Asserts that {@link IpUtils#convertIpv4WildcardRangeToCidrNotation(String)} does not affect a string that is an
IP address that is not a range.
xmppserver/src/test/java/org/jivesoftware/util/IpUtilsTest.java