#1246 Added testcase

testdata/scad/bugs/issue1246.scad

@@ -0,0 +1,4 @@
+polyhedron(points = [[0,0,0], [1,0,0], [0/0, 0/0, 0/0], [0/0, 0/0, 0/0]],
+           faces = [[0,1,3,2]]);
+polyhedron(points = [[0,0,0], [1,0,0], [0/0, 0/0, 0/0], [0/0, 0/0, 0/0]],
+           faces = [[0,1,2]]);

tests/CMakeLists.txt

@@ -1287,7 +1287,8 @@ list(APPEND BUGS_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue13.scad
                        ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue945d.scad
                        ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue945e.scad
                        ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue1223.scad
-                       ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue1223b.scad)
+                       ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue1223b.scad
+                       ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue1246.scad)
 
 # We know that we cannot import weakly manifold files into CGAL, so to make tests easier
 # to manage, don't try. Once we improve import, we can reenable this