public void ShouldReturnCorrectValueAfterOneYear()
{
// Arrange
double principal = 100000;
double interestRate = .06d;
int timesPerYear = 1;
double years = 1;
var expeted = 106000;
// Act
var actual = CompoundInterestCalculator.Calculate(principal, interestRate, timesPerYear, years);
// Assert
Assert.AreEqual(expeted, actual);
}
public void FutureBalance_1YearForward_ExpectsCorrectFutureBalance()
{
//Setup
var name = "Savings Account 1";
var balance = 12.20m;
var expectedRateOfReturn = 0.10m;
var contributionAmount = 100m;
DateTime targetDate = DateTime.Now.AddYears(1);
decimal expectedFutureBalance = CompoundInterestCalculator.Calculate(balance, expectedRateOfReturn, 12,
CompoundInterestCalculator.FutureDateTimeToYears(targetDate), contributionAmount);
//Test
Account account = new Account(name, balance, expectedRateOfReturn, contributionAmount);
//Assertion
account.FutureBalance(targetDate).Should().Be(expectedFutureBalance);
}