public void TestCircleWithRadius()
{
targetRadius = 3;
Circle c = new Circle("BlueEyedBoy", "blue", targetRadius);
double expectedArea = targetRadius * targetRadius * Math.PI;
double actualArea = c.Area();
Assert.IsTrue(actualArea.CompareTo(expectedArea) == 0,
"Area of circle expected to be {0} but was not[{1}].",
expectedArea,
actualArea);
}
public void TestCircleWithPropertySetRadius()
{
targetRadius = 42;
Circle c = new Circle("CodeRed", "red", 5);
c.Radius = targetRadius;
double expectedArea = targetRadius * targetRadius * Math.PI;
double actualArea = c.Area();
Assert.IsTrue(Math.Round(expectedArea, 3) == Math.Round(actualArea, 3),
"Area of circle expected to be {0} but was not[{1}].",
expectedArea,
actualArea);
}
public void TestCircleNoRadius()
{
Circle c = new Circle("Greeny", "green");
Assert.IsTrue(c.Area() == 0.0,
"Area of circle expected to be zero with no radius set");
}