16     canvas->translate(0, 0);  in test_concave()
28     canvas->translate(100, 0);  in test_reverse_concave()
41     canvas->translate(200, 0);  in test_bowtie()
54     canvas->translate(300, 0);  in test_fake_bowtie()
70     canvas->translate(400, 0);  in test_intruding_vertex()
87     canvas->translate(400, 100);  in test_inversion_repeat_vertex()
103     canvas->translate(0, 100);  in test_fish()
119     canvas->translate(100, 100);  in test_fast_forward()
134     canvas->translate(200, 100);  in test_hole()
144     canvas->translate(300, 100);  in test_star()
158     canvas->translate(420, 220);  in test_twist()
168     canvas->translate(0, 200);  in test_stairstep()
182     canvas->translate(100, 200);  in test_stairstep2()
196     canvas->translate(200, 200);  in test_overlapping()
210     canvas->translate(300, 200);  in test_partners()
230     canvas->translate(400, 350);  in test_winding_merged_to_zero()
247     canvas->translate(0, 300);  in test_monotone_1()
261     canvas->translate(100, 300);  in test_monotone_2()
274     canvas->translate(200, 300);  in test_monotone_3()
287     canvas->translate(300, 300);  in test_monotone_4()
302     canvas->translate(0, 400);  in test_monotone_5()
314     canvas->translate(100, 400);  in test_degenerate()
328     canvas->translate(200, 400);  in test_coincident_edge()
346     canvas->translate(300, 400);  in test_bowtie_coincident_triangle()
363     canvas->translate(400, 400);  in test_collinear_outer_boundary_edge()
378     canvas->translate(0, 500);  in test_coincident_edges_1()
392     canvas->translate(100, 500);  in test_coincident_edges_2()
406     canvas->translate(200, 500);  in test_coincident_edges_3()
420     canvas->translate(300, 500);  in test_coincident_edges_4()