public void ScenarioC()
{
//create orders
List <Order> orders = new List <Order>();
Order items1 = new Order(1, new List <Product>()
{
new Product("A"), new Product("A"), new Product("A")
});
Order items2 = new Order(2, new List <Product>()
{
new Product("B"), new Product("B"), new Product("B"), new Product("B"), new Product("B")
});
Order items3 = new Order(3, new List <Product>()
{
new Product("C"), new Product("D")
});
orders.AddRange(new Order[] { items1, items2, items3 });
decimal expectedValue = 280M;
decimal actualValue = PromotionChecker.GetTotalPriceOfOrder(orders, promotions);
Assert.AreEqual(expectedValue, actualValue);
}
