public void StockLogicTest() { LibraryLogic logic = new LibraryLogic(new Library()); var b = new Book("Dune", "Herbert", BType.SciFi, 25, 1); logic.AddToStock(b); Assert.IsTrue(logic.GetLibrary.Stock.Contains(b)); Assert.AreEqual(logic.GetLibrary.Stock.Count(), 1); Assert.IsTrue(logic.IsInStock(b)); logic.AddToStock(b); Assert.AreEqual(logic.GetLibrary.Stock.Count(), 1); logic.RemoveFromStock(logic.GetLibrary.Stock[0]); Assert.AreEqual(logic.GetLibrary.Stock.Count(), 0); }