public void ValidateSortCode_Email_SIR_InvalidFormat_ShouldThrowError() { List <string> fields = new List <string>() { "*****@*****.**", "SIR 02/07/1995", "hello", "Theft", "\"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt.\"" }; Assert.ThrowsException <System.Exception>(() => EmailValidator.ValidateSortCode(fields, 2, @"\b[0-9]{2}-?[0-9]{2}-?[0-9]{2}\b")); }