public void PriceStepsDefinedInRandomOrder_PriceIsCorrect()
{
var item = new ItemWithPriceSteps('A');
item.AddPriceStep(10, 1);
item.AddPriceStep(1, 3);
item.AddPriceStep(5, 2);
sm.Add(item);
AssertPrice("AAAAA", 5 * 2);
AssertPrice("AAAAAAAAAAAA", 12 * 1);
}
public void ManyIsCheaper()
{
var item = new ItemWithPriceSteps('A');
item.AddPriceStep(1, 3);
item.AddPriceStep(5, 2);
item.AddPriceStep(10, 1);
sm.Add(item);
AssertPrice("A", 3);
AssertPrice("AA", 2 * 3);
AssertPrice("AAAAA", 5 * 2);
AssertPrice("AAAAAA", 6 * 2);
AssertPrice("AAAAAAAAAA", 10 * 1);
AssertPrice("AAAAAAAAAAAA", 12 * 1);
}
public void ManyItemsSomeWithPriceSteps_PriceIsCorrect()
{
sm.Add('A', 2);
var itemB = new ItemWithPriceSteps('B');
itemB.AddPriceStep(1, 3);
itemB.AddPriceStep(3, 2);
sm.Add(itemB);
var itemC = new ItemWithPriceSteps('C');
itemC.AddPriceStep(1, 10);
itemC.AddPriceStep(5, 5);
sm.Add(itemC);
AssertPrice("ABACCBAABB", 4 * 2 + 4 * 2 + 2 * 10);
AssertPrice("BBCCCCCC", 2 * 3 + 6 * 5);
}