public void CheckNameExistance() { Country countryOne = new Country("Israel"); Country countryTwo = new Country("Spain"); countryDAO.Add(countryOne); countryDAO.Add(countryTwo); countryOne = countryDAO.GetCountryByName("Israel"); countryTwo = countryDAO.GetCountryByName("Spain"); Assert.AreEqual(true, countryDAO.CheckNameExistance("Israel", countryTwo.ID)); Assert.AreEqual(false, countryDAO.CheckNameExistance("Israel", countryOne.ID)); }