InterfaceStarTest

void StarTest() {
using namespace svg;
    using namespace shapes;
    using namespace std;
        {
            Document doc;
            Star s(Point{50.0, 20.0}, 10.0, 4.0, 5);
            s.Draw(doc);
            doc.Render(cout);
            cout << endl;
        } {
            Document doc;
            Star s(Point{30.0, 20.0}, 13.0, 2.0, 1);
            s.Draw(doc);
            doc.Render(cout);
        }
    }

<?xml version="1.0" encoding="UTF-8" ?>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
  <polyline points="50,10 52.3511,16.7639 59.5106,16.9098 53.8042,21.2361 55.8779,28.0902 50,24 44.1221,28.0902 46.1958,21.2361 40.4894,16.9098 47.6489,16.7639 50,10" />
</svg>
<?xml version="1.0" encoding="UTF-8" ?>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
  <polyline points="30,7 30,22 30,7" />
</svg>