public void CirAreaTest2()
{
CircleArea circle = new CircleArea();
double x = 2;
double expectedValue = 3.1415926535897931d;
double actualValue = circle.CirArea(x);
Assert.AreNotEqual(expectedValue, actualValue);
}
public Form1()
{
InitializeComponent();
Rectangle = new RectangleArea();
Triangle = new TriangleArea();
Circle = new CircleArea();
Quadratic = new CalcQuadratic();
Polynomial = new CalcPolynomial();
}