public void Parse() { var input = new [] { "HEADER", "------", "9377777777777 Y ORDERS 15844 001111111111111111 2 " }; var actual = MailboxItem.Parse(input); Assert.AreEqual(1, actual.Count); var item = actual.First(); Assert.AreEqual("9377777777777", item.SenderId); Assert.AreEqual("Y", item.St); Assert.AreEqual("ORDERS", item.ApplicationReference); Assert.AreEqual("15844", item.SenderReference); Assert.AreEqual("001111111111111111", item.ServiceReference); Assert.AreEqual("2", item.Size); }