public void BuyNgetMatXPctOffTestWithOtherX()
{
Grocery grocery = new Grocery();
grocery.AddSpecialBuyNgetMatXPctOff("milk", 1, 1, 1m);
grocery.addItem("milk");
grocery.addItem("milk");
Assert.AreEqual(1m, grocery.GetTotal());
grocery.removeItem("milk");
grocery.removeItem("milk");
grocery.AddSpecialBuyNgetMatXPctOff("milk", 1, 1, .5m);
grocery.addItem("milk");
grocery.addItem("milk");
Assert.AreEqual(1.5m, grocery.GetTotal());
}
public void BuyNgetMatXPctOffTest()
{
Grocery grocery = new Grocery();
grocery.AddSpecialBuyNgetMatXPctOff("cheese", 2, 1, .15m);
grocery.addItem("cheese");
grocery.addItem("cheese");
grocery.addItem("cheese");
Assert.AreEqual(7.8375m, grocery.GetTotal());
}
public void LimitSpecialsTest()
{
Grocery grocery = new Grocery();
grocery.AddSpecialBuyNgetMatXPctOff("cheese", 2, 1, .15m, 6);
grocery.addItem("cheese", 6);
//Correctly discounted
Assert.AreEqual(15.675m, grocery.GetTotal());
grocery.addItem("cheese", 3);
//Should add a cheese at normal price
Assert.AreEqual(23.925m, grocery.GetTotal());
}
public void BuyNgetMatXPctOffTestWithMultiples()
{
Grocery grocery = new Grocery();
grocery.AddSpecialBuyNgetMatXPctOff("cheese", 2, 1, .15m);
grocery.addItem("cheese");
grocery.addItem("cheese");
grocery.addItem("cheese");
grocery.addItem("cheese");
grocery.addItem("cheese");
grocery.addItem("cheese");
Assert.AreEqual(15.675m, grocery.GetTotal());
grocery.addItem("cheese");
//Should add a cheese at normal price
Assert.AreEqual(18.425m, grocery.GetTotal());
grocery.addItem("cheese");
//Should add a cheese at normal price
Assert.AreEqual(21.175m, grocery.GetTotal());
grocery.addItem("cheese");
//Should add one discounted cheese
Assert.AreEqual(23.5125m, grocery.GetTotal());
}