/// <summary>
/// Constructor for a taxable item.
/// </summary>
/// <param name="taxable">an enumeration representing whether or not the item is taxable</param>
/// <param name="priceWithoutTax">the price without tax</param>
/// <param name="itemName">the item name</parma>
/// <param name="taxCalculator">the tax calculator</param>
public ShoppingItem(
Taxable taxable,
decimal priceWithoutTax,
string itemName,
ITaxCalculator taxCalculator
)
{
Taxable = taxable;
PriceWithoutTax = priceWithoutTax;
ItemName = itemName;
TaxAmountAsPercent = taxCalculator.DetermineTaxPercentage(Taxable);
FinalItemPrice = taxCalculator.CalculatePriceWithTax(this);
}
public void CanDetermineSalesTaxPercentageForExempt()
{
Assert.AreEqual(_taxCalculator.DetermineTaxPercentage(Taxable.TaxExempt), 0.0M);
}
