public void FindOpenSites() { //arrange ReservationSqlDAO reservationDAO = new ReservationSqlDAO(connectionString); DateTime selectedFromDate = Convert.ToDateTime("2019 - 01 - 01"); DateTime selectedToDate = Convert.ToDateTime("2019 - 12 - 31"); int selectedCampgroundID = 1; //act IList <Site> sites = reservationDAO.FindOpenSites(selectedCampgroundID, selectedFromDate, selectedToDate); int actualResult = sites.Count; //assert Assert.AreEqual(actualResult, 5); }