public void IsCircleSizeEqual()
{
var radius = 10;
var ExpectedASize = Math.PI * Math.Pow(radius, 2);
var circle = new CircleShape(radius);
var aSize = AreaCalculator.GetAreaSize(circle);
Assert.AreEqual(ExpectedASize, aSize);
}
public void IsTriangleSizeEqual()
{
double a = 14, b = 15, c = 12;
var triangle = new TriangleShape(a, b, c);
var p = 1 / 2 * (a + b + c);
var ExpectedASize = Math.Sqrt(p * (p - a) * (p - b) * (p - c));
var aSize = AreaCalculator.GetAreaSize(triangle);
Assert.AreEqual(ExpectedASize, aSize);
}