public void BuildInvalidIPAddressTest(string ipOrHost, bool throwException)
 {
     if (throwException)
     {
         Assert.Throws <AggregateException>(() => NetHelper.BuildIPAddress(ipOrHost));
     }
     else
     {
         Assert.Null(NetHelper.BuildIPAddress(ipOrHost));
     }
 }
        public void BuildValidIPAddressTest()
        {
            var ipAddress = NetHelper.BuildIPAddress("127.0.0.1");

            Assert.NotNull(ipAddress);
        }