public void GetItem_GivenValidItemName_ReturnsItem() { testShelf.AddNewItem(twixBar, 10); testShelf.AddNewItem(snickers, 20); int previousItemCount = testShelf.items[twixBar.name].Count; IProduct results = testShelf.GetItem(twixBar.name); int currentItemCount = testShelf.items[twixBar.name].Count; Assert.That(results, Is.EqualTo(twixBar)); Assert.That(previousItemCount, Is.GreaterThan(currentItemCount)); }