public void ComputeAreaTest1()
{
double expected = 0;
circle input = new circle();
input.Radius = 0;
double actual = ShapeHelper.ComputeArea(input);
Assert.AreEqual(expected, actual);
}
public void ComputeAreaTest()
{
double expected = 20;
Rectangle input = new Rectangle();
input.Width = 5;
input.Heigt = 4;
double actual = ShapeHelper.ComputeArea(input);
Assert.AreEqual(expected, actual);
}