public void GetHistoryTitleTest() { DrinkModel model = new DrinkModel(); for (int i = 0; i < 5; i++) { model.AddDrinkToCurrentOrders(i); model.SetSweetLevel(i, "半糖"); } for (int i = 0; i < 7; i++) { model.SetSweetLevel(i, "正常"); } for (int i = 0; i < 6; i++) { model.SetTemperature(i, "少冰"); } model.CheckOut(); for (int i = 0; i < 5; i++) { model.AddDrinkToCurrentOrders(i); } for (int i = 0; i < 6; i++) { model.SetSweetLevel(i, "半糖"); } for (int i = 0; i < 6; i++) { model.SetTemperature(i, "少冰"); } model.CheckOut(); List <List <string> > list = model.GetHistoryTitle(); Assert.AreEqual(2, list.Count); }