public void AreaTest()
{
Circle target = new Circle(0);
target.Radius = double.Epsilon;
Assert.AreEqual(Math.PI * double.Epsilon * double.Epsilon, target.Area);
target.Radius = 0;
Assert.AreEqual(0, target.Area);
target.Radius = 1;
Assert.AreEqual(Math.PI, target.Area);
target.Radius = 2;
Assert.AreEqual(4 * Math.PI, target.Area);
target.Radius = double.MaxValue;
Assert.AreEqual(double.PositiveInfinity, target.Area);
target.Radius = double.NaN;
Assert.IsTrue(double.IsNaN(target.Area));
}
public void ConstructorTest()
{
double radius = 0;
Circle target = new Circle(radius);
Assert.AreEqual(radius, target.Radius);
}
public void ConstructorExceptionTest()
{
Circle target = new Circle(-1);
}
public void RadiusTest()
{
double radius = 0;
double expected = 10;
double actual;
Circle target = new Circle(radius);
target.Radius = expected;
actual = target.Radius;
Assert.AreEqual(expected, actual);
}
public void RadiusExceptionTest()
{
Circle target = new Circle(0);
target.Radius = -1;
}