public void Bank_CalculateRateN()
{
Bank_CalculateRate bank_CalculateRate = new Bank_CalculateRate();
//initial sum
int sum = 40000;
//period
int period = 20;
//interest
float anual_interest = 7.57f;
//interested monthly number =39 march in the 4 year
int monthly_number = 39;
float result_rate = 0;
result_rate = bank_CalculateRate.MonthlyBankRate(sum, period, anual_interest, monthly_number);
float expected_rate = 379.0472f;
Assert.AreEqual(expected_rate.ToString(), result_rate.ToString());
}
public void Bank_CalculateFirstRate()
{
Bank_CalculateRate bank_CalculateRate = new Bank_CalculateRate();
//initial sum
int sum = 40000;
//period
int period = 20;
//interest
float anual_interest = 7.57f;
//interested monthly number
int monthly_number = 1;
float result_rate = 0;
result_rate = bank_CalculateRate.MonthlyBankRate(sum,period,anual_interest,monthly_number);
float expected_rate = 419f;
Assert.AreEqual(expected_rate, result_rate);
}