[TestClass] public class GamesPageModelShould { [DataTestMethod] [DynamicData(nameof(SearchTermData))] public void Throw_ArgumentOutOfRangeException_On_GetGamesByTitle_When_SearchTerm_Argument_Is_NullOr_WhiteSpace( string searchTerm) { var mockGameService = new GameServiceMock(); var gamesPageModel = new GamesPageModel(mockGameService); Assert.ThrowsException<ArgumentOutOfRangeException>(() => gamesPageModel.GetGamesByTitle(searchTerm)); } public static IEnumerable<object> SearchTermData { get { return new[] { new object[] {""}, new object[] {null}, new object[] {" "} }; } } }