public void DetermineTotalWithTip_AlwaysReturnsExpectedResult(double billTotal, double tipPercent)
{
//Arrange
BillCalculations sut = new BillCalculations();
//Act
double answer = sut.DetermineTotalWithTip(billTotal, tipPercent);
double expected = billTotal + tipPercent;
//Assert
Assert.AreEqual(expected, answer);
}
public void CalculatePersonsPriceBasedOnPercentage_AlwaysReturnsExpectedResult(double billTotal, double percentageWantsToPay)
{
//Arrange
BillCalculations sut = new BillCalculations();
//Act
double answer = sut.CalculatePersonsPriceBasedOnPercentage(billTotal, percentageWantsToPay);
double expected = billTotal - percentageWantsToPay / 100 * billTotal;
//Assert
Assert.AreEqual(expected, answer);
}
public void DeterminePricePerPerson_AlwaysReturnsExpectedResult_IfNumOfPeople_IsZero(double billTotal, int numOfPeople)
{
//Arrange
BillCalculations sut = new BillCalculations();
//Act
double answer = sut.DeterminePricePerPerson(billTotal, numOfPeople);
double expected = 0;
//Assert
Assert.AreEqual(expected, answer);
}
