public void ValidateSSN2(string arg, bool expected)
        {
            PersonWindow pw     = new PersonWindow(null);
            bool         result = pw.ValidateSocialSecurityNumber(arg);

            Assert.AreEqual(expected, result);
        }
        public void ValidateSocialSecurityNumberTest()
        {
            PersonWindow pw     = new PersonWindow(null);
            bool         result = pw.ValidateSocialSecurityNumber("123 456 789");

            Assert.AreEqual(true, result);
        }