public void RemoveItemTestAddUnSuccesfull()
{
// adds successfully
InventoryItem item = new InventoryItem(new Product("Pepsi", 1.50m), 0);
var numberBeforeRemovingItem = InventoryList.First(c => c.Product.Name == "Pepsi").ProductCount;
removeItem(item);
Assert.AreEqual((numberBeforeRemovingItem), InventoryList.First(c => c.Product.Name == "Pepsi").ProductCount);
}
public void AddItemTestAddSuccesfully()
{
// adds successfully
InventoryItem item = new InventoryItem(new Product("Pepsi", 1.50m), 2);
var numberBeforeAddingItem = InventoryList.First(c => c.Product.Name == "Pepsi").ProductCount;
addItem(item);
Assert.AreEqual((numberBeforeAddingItem + 2), InventoryList.First(c => c.Product.Name == "Pepsi").ProductCount);
}