public void WriterWithHeaderTest()
        {
            string path = "csv-samples/WriterWithHeaderTest.csv";
            string header = "DateTime,Open,High,Low,Close,Volume";

            try
            {
                Assert.AreEqual(false, File.Exists(path));

                using (var writer = new CsvWriter<StockValue>(path, containsHeader: true, separator: ','))
                {
                    Assert.AreEqual(true, File.Exists(path));

                    for (int i = 0; i < 30; i++)
                    {
                        writer.WriteObj(new StockValue
                        {
                            DateTime = DateTime.Now,
                            Open = i * 10,
                            High = i * 90,
                            Low = i * 5,
                            Close = i * 35,
                            Volume = 1029387465 / (i + 1)
                        });
                    }
                }

                Assert.AreEqual(header, File.ReadLines(path).First());
                Assert.AreEqual(30 + 1, File.ReadLines(path).Count());
            }
            catch (Exception e)
            {
                throw e;
            }
            finally
            {
                File.Delete(path);
                Assert.AreNotEqual(true, File.Exists(path));
            }
        }