public void Test_Math_GetTotalPayment()
{
var math = new MathFunctions();
//12000 loan, annual rate 11%, for 4 years
//value calculated on this site: http://www.thisismoney.co.uk/money/cardsloans/article-1633405/Loan-repayment-calculator.html
Assert.Equal(14887.02m, Math.Round(math.GetTotalPayment(12000m, 0.11m, 4), 2));
}
private List<Lending> GetLendings(List<Lender> lenders, decimal targetAmount, int years)
{
var lendings = new List<Lending>();
var target = targetAmount;
var math = new MathFunctions();
while (target > 0 && lenders.Count > 0)
{
var firstLender = lenders[0];
var amount = Math.Min(target, firstLender.Available);
var monthlyInstallment = math.GetMonthlyInstallment(amount, firstLender.Rate, years);
var totalAmount = math.GetTotalPayment(amount, firstLender.Rate, years);
lendings.Add(new Lending(amount, firstLender.Rate, totalAmount, monthlyInstallment));
firstLender.Available -= amount;
target -= amount;
if (firstLender.Available == 0)
{
lenders.Remove(firstLender);
}
}
return target > 0 ? null : lendings;
}
public void Test_Math_Pow_0()
{
var math = new MathFunctions();
Assert.Equal(1, math.Pow(10, 0));
}
public void Test_Math_Pow(int value)
{
var math = new MathFunctions();
Assert.Equal((decimal)Math.Pow(10, value), math.Pow(10, value));
}
public void Test_Math_Instantiate()
{
var math = new MathFunctions();
Assert.NotNull(math);
}