public void MaxLength_Message_AreEqual()
        {
            const string column  = "MaxLength";
            const string message = "測試{0}{1}";
            int          max     = 3;

            IFormValidator validator = provider.MaxLength(max, message)(column, "1234");

            validator.Validate();

            Assert.AreEqual(validator.ErrorMessage, string.Format(message, column, max));
        }