added test_bend

src/bend.scad

@@ -50,4 +50,12 @@ module bend(size, angle, frags = 24) {
             get_frag(i) 
                 children();  
     }
+
+    // hook for testing
+    test_bend_tri_frag(tri_frag_pts, frag_angle);
+}
+
+// override it to test
+module test_bend_tri_frag(points, angle) {
+
 }

test/test_all.scad

@@ -17,6 +17,7 @@ include <test_polysections.scad>;
 
 // Transformation
 include <test_along_with.scad>;
+include <test_bend.scad>;
 
 // Function
 include <test_paths2sections.scad>;

test/test_bend.scad

@@ -0,0 +1,17 @@
+include <unittest.scad>;
+include <bend.scad>;
+
+x = 9.25;
+y = 9.55;
+z = 1;  
+
+module test_bend_tri_frag(points, angle) {
+    expected_points = [[0, 0], [0.1927, 1.9566], [0.3854, 0], [0, 0]];
+    expected_angle = 11.25;
+    
+    assertEqualPoints(expected_points, points);
+    assertEqual(expected_angle, angle);
+}
+
+bend(size = [x, y, z], angle = 270)
+    linear_extrude(z) text("A");