public void CalculateTaxForPrice(decimal priceValue, int taxRateValue, decimal expectedPrice)
{
// Arrange
var price = new Price(priceValue);
var taxRate = new TaxRate(taxRateValue);
// Act
var tax = taxRate.GetTaxFor(price);
// Assert
tax.Value.ShouldBe(expectedPrice);
}
public TotalPrice(TaxRate taxRate, Price price)
{
TaxRate = taxRate;
PriceBeforeTax = price;
PriceAfterTax = price + taxRate.GetTaxFor(price);
}