text: describe("Radius2d", function(){
    it("Radius2d.setSize", function(){
      var radius = new Nehan.Radius2d({hori:1, vert:2}).setSize([2,3]);
      expect(radius.hori).toBe(2);
      expect(radius.vert).toBe(3);
    });
  
    it("Radius2d.clone", function(){
      var radius = new Nehan.Radius2d({hori:1, vert:2});
      var radius2 = radius.clone();
      expect(radius.hori === radius2.hori).toBe(true);
      expect(radius.vert === radius2.vert).toBe(true);
      expect(radius === radius2).toBe(false);
      radius2.setSize([2,3]);
      expect(radius.hori !== radius2.hori).toBe(true);
      expect(radius.vert !== radius2.vert).toBe(true);
    });
  });
  