public void TestCircleRadiusSet()
{
Circle circle = new Circle(5);
circle.setRadius(6);
decimal rad = circle.getRadius();
Assert.AreEqual(6, rad);
}
public void TestCircleCircuference()
{
Circle circle = new Circle(5);
decimal circum = circle.getCircumference();
Assert.AreEqual(31.415926, circum);
}
public void TestCircleArea()
{
Circle circle = new Circle(5);
decimal area = circle.getArea();
Assert.AreEqual(78.539815, area);
}