public IEnumerator AddItemCheckCount() { var i = new Dummy_Inventory(9); var itemData = new Item("Test1", 1); i.AddItem(itemData, 4); Assert.AreEqual(i.CountOfItem(itemData) == 4, true); Assert.AreEqual(i.CountOfItem(itemData) == 6, false); i.AddItem(itemData, 6); Assert.AreEqual(i.CountOfItem(itemData) == 10, true); Assert.AreEqual(i.CountOfItem(itemData) == 12, false); yield return(null); }