public void SimpleTest(double arg, double expected)
{
Ln calc = new Ln();
double result = calc.Action(arg);
Assert.AreEqual(expected, result);
}
public void Negative()
{
Ln calc = new Ln();
Assert.Throws <Exception>(() => calc.Action(-9));
}
public void Zero()
{
Ln calc = new Ln();
Assert.Throws <Exception>(() => calc.Action(0));
}