public void TestCanFindInvalidAddress()
        {
            IEmailAddressValidator obj = new EmailAddressValidator();

            string[] results = obj.FindInvalidEmailAddress("[email protected].;[email protected];");

            Assert.IsTrue(results.Length == 1);
        }
        public void TestCanValidateAValidAddress()
        {
            IEmailAddressValidator obj = new EmailAddressValidator();

            Assert.IsTrue(obj.IsValid("*****@*****.**"));
        }
        public void TestCanFailToValidateAInvalidAddress()
        {
            IEmailAddressValidator obj = new EmailAddressValidator();

            Assert.IsFalse(obj.IsValid("[email protected]."));
        }