public void InvalidInputCircleTest()
{
try
{
Circle circ = new Circle(-3.5);
}
catch (ArgumentException e)
{
Assert.AreEqual("Size must be a positive number.", e.Message);
}
}
public void ValidInputCircleTest()
{
Circle circ = new Circle(3.5);
Assert.AreEqual("38.4845", string.Format("{0:f4}", circ.CalculateSurface()));
}