public void GetBytesLengthTest()
        {
            string sql = "select blob_field from TEST where int_field = ?";

            BdpCommand command = new BdpCommand(sql, this.Connection);

            command.Parameters.Add("@int_field", BdpType.Int32).Value = 2;

            BdpDataReader reader = command.ExecuteReader();

            reader.Read();

            long length = reader.GetBytes(0, 0, null, 0, 0);

            reader.Close();

            Assert.AreEqual(13, length, "Incorrect blob length");
        }