public void CalculateMonthlyPaymentCorrectly_ZeroPrincipal()
{
var principal = 0M;
var rate = 5M;
var months = 12M;
var monthlyPayment = calculator.CalculateMonthlyPayment(principal, rate, months);
Assert.AreEqual(0, monthlyPayment);
}
public LoanQuote GetQuote(decimal loanAmount, decimal loanMonths)
{
var loanAllocations = loanAllocationProvider.GetLoanAllocationsForAmount(loanAmount);
var monthlyPayment = loanAllocations.Sum(o => calculator.CalculateMonthlyPayment(o.Amount, o.Rate, loanMonths));
var totalPayment = calculator.CalculateTotalPayment(monthlyPayment, loanMonths);
var interestRate = calculator.CalculateInterestRate(loanAmount, monthlyPayment, loanMonths);
return(new LoanQuote
{
LoanAmount = loanAmount,
InterestRate = interestRate,
MonthlyRepayment = monthlyPayment,
TotalRepayment = totalPayment
});
}
