public void CalculateTotal_ReturnItemPrice_whenAddingOneItem(double price, int quantity, double expected)
{
//Fixture setup
var shoppingCart = GetShoppingCartWithItems(price, quantity);
calculateTotal calTotal = new calculateTotal(shoppingCart);
//Exercise system
var actual = calTotal.CalculateTotal();
//verify outcome
Assert.AreEqual(actual, expected);
}
public void CalculateTotal_ReturnTotalPrice_WithManyItems(double[] prices, int[] quantities, double expected)
{
//Fixture setup
var shoppingCart = GetShoppingCartWithManyItems(prices, quantities);
calculateTotal calTotal = new calculateTotal(shoppingCart);
//Exercise system
var actual = calTotal.CalculateTotal();
//verify outcome
Assert.AreEqual(actual, expected);
}
public void CalculateTotal_ReturnZero_WithEmptyCrat()
{
//Fixture setup
var shoppingCart = GetShoppingCartWithNoItems();
calculateTotal calTotal = new calculateTotal(shoppingCart);
//Exercise system
var actual = calTotal.CalculateTotal();
//verify outcome
Assert.AreEqual(actual, 0);
}