public void SqrtN_ValidInputParameters_NthRootWithPercisionReturned(double number, double n, double epsilon)
{
double calculatedValue = NewtonAlgorithm.SqrtN(number, n, epsilon);
double exactValue = Math.Pow(number, 1.0 / n);
Assert.Less(Math.Abs(exactValue - calculatedValue), epsilon);
}
public void SqrtN_InvalidParameters_NthRootCannotBeTaken(double number, double n, double epsilon)
{
Assert.Throws <ArgumentException>(() => NewtonAlgorithm.SqrtN(number, n, epsilon));
}