public Form1()
{
InitializeComponent();
Rectangle = new RectangleArea();
Triangle = new TriangleArea();
Circle = new CircleArea();
Quadratic = new CalcQuadratic();
Polynomial = new CalcPolynomial();
}
public void CalcXTest2()
{
CalcQuadratic quadratic = new CalcQuadratic();
int x = -1;
int y = 3;
int z = 4;
double[] expectedValue = { 4.0d, -1.0d };
double[] actualValue = quadratic.CalcX(x, y, z);
Assert.AreNotEqual(expectedValue, actualValue);
}