public void CircleAABBTest()
{
Point3d p = new Point3d(1, 1, 1);
Vector3d v = new Vector3d(3, 4, 0);
Circle3d c = new Circle3d(p, 5, v);
Box3d res = new Box3d(p, 8, 6, 10);
Assert.AreEqual(c.BoundingBox(), res);
}