public void ApplyTaxRule_RoundingTaxRule_RoundsTaxValue()
{
//arrange
ITaxRule rule = new RoundingTaxRule();
double tax = 1.41;
double expectedTax = 1.45;
//act
double actualTax = rule.ApplyTaxRule(tax);
//assert
Assert.AreEqual(expectedTax, actualTax, "Rounding rule did not correctly round tax");
}
public void ApplyTaxRule_RoundingTaxRule_RoundsToNearestWholeNumber()
{
//arrange
ITaxRule rule = new RoundingTaxRule();
double tax = 1.98;
double expectedTax = 2.00;
//act
double actualTax = rule.ApplyTaxRule(tax);
//assert
Assert.AreEqual(expectedTax, actualTax, "Rounding rule did not correctly round tax");
}