public void CalculateBill()
{
Participant p1 = new Participant();
p1.AddCharge(10.00);
p1.AddCharge(20.00);
Participant p2 = new Participant();
p2.AddCharge(15.00);
p2.AddCharge(15.01);
p2.AddCharge(3.00);
p2.AddCharge(3.01);
Participant p3 = new Participant();
p3.AddCharge(5.00);
p3.AddCharge(9.00);
p3.AddCharge(4.00);
Expense e = new Expense();
e.AddParticipant(p1);
e.AddParticipant(p2);
e.AddParticipant(p3);
List <Expense> eList = new List <Expense> {
e
};
ICalculator c = new ExpenseCalculator(eList);
c.Calculate();
Assert.AreEqual(Math.Round(eList[0].Participants[0].Balance, 2), -1.99);
Assert.AreEqual(Math.Round(eList[0].Participants[1].Balance, 2), -8.01);
Assert.AreEqual(Math.Round(eList[0].Participants[2].Balance, 2), 10.01);
}
private void ProcessCharge(Participant participant)
{
//Check if token is correct
if (_lookaheadFirst.TokenType == TokenType.Amount)
{
//Get the charge amount
double charge = double.Parse(_lookaheadFirst.Value);
//Add charge to participant
participant.AddCharge(charge);
//Discart current token
DiscardToken();
}
else if (_lookaheadFirst.TokenType == TokenType.Zero)
{
throw new InvalidEndOfFileException();
}
else
{
throw new InvalidTokenException(_line, _lookaheadFirst.Value, "Charge amount");
}
}