public void GetCharsLengthTest()
        {
            string sql = "select clob_field from TEST where int_field = @int_field";

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

            command.Parameters.Add("@int_field", FbDbType.Integer).Value = 50;

            FbDataReader reader = command.ExecuteReader();

            reader.Read();

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

            reader.Close();

            Assert.AreEqual(14, length, "Incorrect clob length");
        }