public void GameListGetByIdTest() { var gameList = new GameList(); var guid1 = Guid.NewGuid(); var guid2 = Guid.NewGuid(); var guid3 = Guid.NewGuid(); gameList.Add(new Game( 1, "Name1", "Description1")); gameList.Add(new Game( 2, "Name2", "Description2")); gameList.Add(new Game( 3, "Name3", "Description3")); var game = gameList.GetById(0); Assert.AreEqual(game, null); game = gameList.GetById(-1); Assert.AreEqual(game, null); game = gameList.GetById(1); Assert.AreEqual(game.Name, "Name1"); game = gameList.GetById(2); Assert.AreEqual(game.Name, "Name2"); game = gameList.GetById(3); Assert.AreEqual(game.Name, "Name3"); }