public void op_GetHashCode()
        {
            var obj = new DataCollection();

            var expected = obj.ToString().GetHashCode();
            var actual   = obj.GetHashCode();

            Assert.Equal(expected, actual);
        }
        public void op_ToString()
        {
            var obj = new DataCollection
            {
                {
                    "name1", "value1"
                },
                {
                    "name2", "value2"
                }
            };

            var expected = obj.XmlSerialize().CreateNavigator().OuterXml;
            var actual   = obj.ToString();

            Assert.Equal(expected, actual);
        }