public static void main()
{
Circle c1 = new Cirle();
float area1 = c1.functionRaduis(5);
Circle c2 = new Cirle();
float area2 = c1.functionRaduis(6);
}
public void ComputesArea()
{
var radius = 100;
var circle = new Cirle(radius);
var area = circle.ComputeArea();
Assert.IsTrue(MathHelper.Equals(area, Math.PI * radius * radius));
}
public void ThrowsOnNegativeRadius()
{
var circle = new Cirle(-42);
}
