public void Discount_IsCorrect()
{
// arrange
var product = new Product("Widget", 12345, Money.USDollar(12.35));
var pr = new PriceResult();
pr.Product = product;
pr.DiscountRatePercent = 0.15M;
// act
var result = pr.Discount();
// assert
Assert.True(result == Money.USDollar(1.85));
}
public void TotalWithDiscountAndTax_IsCorrect()
{
// arrange
var product = new Product("Widget", 12345, Money.USDollar(20.25));
var pr = new PriceResult();
pr.Product = product;
pr.TaxRatePercent = 0.20M;
pr.DiscountRatePercent = 0.15M;
// act
// assert
Assert.True(pr.Tax() == Money.USDollar(4.05));
Assert.True(pr.Discount() == Money.USDollar(3.04));
Assert.True(pr.Total() == Money.USDollar(21.26));
}