public void TestGetDouble()
        {
            double dbl = 890.12D;

            using (var stream = new MemoryStream())
                using (var writer = new StreamWriter(stream))
                    using (var reader = new StreamReader(stream))
                        using (var dtReader = new DelimitedTextReader(reader))
                        {
                            writer.Write(headerLine);
                            writer.Write(dataLine1);
                            writer.Flush();
                            stream.Position = 0;

                            using (var dataReader = new DelimitedTextDataReader(dtReader))
                            {
                                dataReader.Read();
                                Assert.Equal(dbl, dataReader.GetDouble(5));
                            }
                        }
        }