Reorganized regression test folders

3 files changed, 57 insertions, 0 deletions

diff --git a/testdata/scad/bugs/polygon-illegal-winding.scad b/testdata/scad/bugs/polygon-illegal-winding.scad
new file mode 100644
index 0000000..612154a
--- /dev/null
+++ b/testdata/scad/bugs/polygon-illegal-winding.scad
@@ -0,0 +1,15 @@
+polyhedron
+  (points = [
+         [0, -10, 60], [0, 10, 60], [0, 10, 0], [0, -10, 0], [60, -10, 
+60], [60, 10, 60],
+         [10, -10, 50], [10, 10, 50], [10, 10, 30], [10, -10, 30], [30, 
+-10, 50], [30, 10, 50]
+         ],
+   triangles = [
+        [0,2,3],   [0,1,2],  [0,4,5],  [0,5,1],   [5,4,2],  [2,4,3],
+                [6,8,9],  [6,7,8],  [6,10,11], [6,11,7], [10,8,11],
+        [10,9,8], [0,3,9],  [9,0,6], [10,6, 0],  [0,4,10],
+                [3,9,10], [3,10,4], [1,7,11],  [1,11,5], [1,7,8], 
+                [1,8,2],  [2,8,11], [2,11,5]
+        ]
+   );
diff --git a/testdata/scad/bugs/polyset-reduce-crash.scad b/testdata/scad/bugs/polyset-reduce-crash.scad
new file mode 100644
index 0000000..ce9fae7
--- /dev/null
+++ b/testdata/scad/bugs/polyset-reduce-crash.scad
@@ -0,0 +1,38 @@
+N=20;
+
+rotate (a = [0, 0, 36]) {
+  union() {
+    translate ([1, 0]) {
+	polygon (points = [[(N - 1)*cos(180/N), -(N - 1)*sin(180/N)],
+			   [(N - 3)*cos(270/N), -(N - 3)*sin(270/N)],
+			   [(N - 1)*cos(270/N), -(N - 1)*sin(270/N)]]);
+
+	polygon (points = [[(N - 1)*cos(180/N), -(N - 1)*sin(180/N)],
+			   [(N - 3)*cos(180/N), -(N - 3)*sin(180/N)],
+			   [(N - 3)*cos(270/N), -(N - 3)*sin(270/N)]]);
+
+	polygon (points = [[N - 1, 0], [N - 3, 0],
+			   [(N - 3)*cos(180/N), -(N - 3)*sin(180/N)]]);
+
+	polygon (points = [[N - 1, 0],
+			[(N - 3)*cos(180/N), -(N - 3)*sin(180/N)],
+			[(N - 1)*cos(180/N), -(N - 1)*sin(180/N)]]);
+
+	polygon (points = [[N - 1, 0], [N - 3, 0],
+			  [(N - 3)*cos(180/N), (N - 3)*sin(180/N)]]);
+
+	polygon (points = [[N - 1, 0],
+			  [(N - 3)*cos(180/N), (N - 3)*sin(180/N)],
+			  [(N - 1)*cos(180/N), (N - 1)*sin(180/N)]]);
+
+	polygon (points = [[(N - 1)*cos(180/N), (N - 1)*sin(180/N)],
+			   [(N - 3)*cos(180/N), (N - 3)*sin(180/N)],
+			   [(N - 3)*cos(270/N), (N - 3)*sin(270/N)]]);
+
+	polygon (points = [[(N - 1)*cos(180/N), (N - 1)*sin(180/N)],
+			   [(N - 3)*cos(270/N), (N - 3)*sin(270/N)],
+			   [(N - 1)*cos(270/N), (N - 1)*sin(270/N)]]);
+    }
+    circle (r = 20);
+  }
+}
diff --git a/testdata/scad/bugs/polyset-reduce-crash.txt b/testdata/scad/bugs/polyset-reduce-crash.txt
new file mode 100644
index 0000000..bc9e8d5
--- /dev/null
+++ b/testdata/scad/bugs/polyset-reduce-crash.txt
@@ -0,0 +1,4 @@
+This testcase causes a crash in PolySet::PolyReducer::add_edges().
+It appears to be because we collapse two close vertices into the same
+vertex. This is handled by just abort()'ing.
+