1  include <polygon_hull.scad>
 2  
 3  module test_polygon_hull() {
 4      echo("==== test_polygon_hull ====");
 5      polygon_hull([
 6          [1, 1],
 7          [1, 0],
 8          [0, 1],
 9          [-2, 1],
10          [-1, -1]
11      ]);
12  }
13  
14  
15  module test_convex_hull2(poly) {
16      assert(poly == [[-2, 1], [-1, -1], [1, 0], [1, 1]]);
17  }
18  
19  test_polygon_hull();