public void CalculateRateShouldCalculatedWithoutError()
{
//Act
var exception = Record.Exception(() => FinancialCalculations.Rate(36, -2000, 60000, 0, DueDate.EndOfPeriod));
//Assert
exception.Should().BeNull();
}
public void RateShouldCalculateCorrectly(short numberPeriods, double payment, double presentValue, double futureValue,
DueDate due)
{
//Act
var correctSut = Financial.Rate(numberPeriods, -payment, presentValue, futureValue, PaymentDue.EndOfPeriod);
var sut = FinancialCalculations.Rate(numberPeriods, -payment, presentValue, futureValue, due);
var isEqual = TestHelper.IsEqualDoubles(sut, correctSut);
//Assert
isEqual.Should().BeTrue();
}