public void RoundtripTable()
{
// Test that if we download and then reupload, it's ok.
var account = GetStorage();
var source = from x in Enumerable.Range(1, 200) select new { N = x, N2 = x * x };
DataTable dtSource = DataTable.New.FromEnumerable(source);
string tableName = "csvtesttable";
dtSource.SaveToAzureTable(account, tableName); // original upload
DataTable dtDownload1 = DataTable.New.ReadAzureTableLazy(account, tableName);
MutableDataTable dtA = DataTable.New.GetMutableCopy(dtDownload1);
// this writes back to the source that dtDownload1 was streaming from.
// But we already copied to dtA, so safe to overwrite.
dtA.SaveToAzureTable(account, tableName); // 2nd upload
DataTable dtDownload2 = DataTable.New.ReadAzureTableLazy(account, tableName);
MutableDataTable dtB = DataTable.New.GetMutableCopy(dtDownload2);
// Everything except timestamps should match.
dtA.DeleteColumns("TimeStamp");
dtB.DeleteColumns("TimeStamp");
Utility.AssertEquals(dtA, dtB);
}