1describe Scale::Circle do
 2  it { expect(subject.xml_tag).to eql(:circle) }
 3
 4  describe "#attributes" do
 5    it "includes the radius" do
 6      subject.r = 10
 7      expect(subject.attributes).to include(r: 10)
 8    end
 9
10    it "includes the x position of the center of the circle" do
11      subject.cx = 10
12      expect(subject.attributes).to include(cx: 10)
13    end
14
15    it "includes the y position of the center of the circle" do
16      subject.cy = 10
17      expect(subject.attributes).to include(cy: 10)
18    end
19  end
20end