Serialize() public method

public Serialize ( ) : string
return string
        public void TestCreateAddOn()
        {
            createAddOn cao = new createAddOn();
            cao.addOnCode = "1";
            cao.name = "addOn1";
            cao.amount = 100;
            cao.startDate = new DateTime(2013, 9, 5);
            cao.endDate = new DateTime(2013, 9, 6);

            String actual = cao.Serialize();
            String expected = @"
            <addOnCode>1</addOnCode>
            <name>addOn1</name>
            <amount>100</amount>
            <startDate>2013-09-05</startDate>
            <endDate>2013-09-06</endDate>";
            Assert.AreEqual(expected, actual);
        }