public void Principal0Amount0()
{
FizzBuzz fb = new FizzBuzz();
double actual = fb.getCompoundInterest(0, 1, 3, 5);
double expected = 0;
Assert.Equal(expected, actual);
}
public void Principal5000Amount10()
{
FizzBuzz fb = new FizzBuzz();
double actual = fb.getCompoundInterest(5000, 0.05, 12, 10);
double expected = 8235.0474884514;
Assert.Equal(expected, actual);
}
public void NegativePrincipalException()
{
FizzBuzz fb = new FizzBuzz();
Exception ex = Assert.Throws <Exception>(
() => fb.getCompoundInterest(-100, 8, 3, 8)
);
string expected = "Principal cannot be less than 0";
string actual = ex.Message;
Assert.Equal(expected, actual);
}
public void NegativeInterestRateException()
{
FizzBuzz fb = new FizzBuzz();
Exception ex = Assert.Throws <Exception>(
() => fb.getCompoundInterest(0, -1, 3, 5)
);
string expected = "Interest Rate cannot be less than 0";
string actual = ex.Message;
Assert.Equal(expected, actual);
}
public void DivideByZeroExceptionInterestRate()
{
FizzBuzz fb = new FizzBuzz();
Exception ex = Assert.Throws <System.DivideByZeroException>(
() => fb.getCompoundInterest(0, 0, 3, 0)
);
string expected = "Attempted to divide by zero.";
string actual = ex.Message;
Assert.Equal(expected, actual);
}
