public void AddFilm_ReturnsAddedFilm() { var titanic = new Film() { Title = "Titanic", Genres = new List <Genre>() { Genre.Drama }, Film3D = Option3D.With3D, MinimumAge = 8, ReleaseDate = new System.DateTime(1998, 1, 16), RunningTime = new System.TimeSpan(3, 15, 0) }; applicationInstance.AddFilm(titanic); Assert.IsTrue(applicationInstance.Films.Count() == 1); Assert.AreEqual(applicationInstance.Films.FirstOrDefault(), titanic); }