#913 added testcase

testdata/scad/bugs/issue913.scad

@@ -0,0 +1,15 @@
+module erode(r) {
+    difference() {
+        children();
+        minkowski() {
+            difference() {
+                cube(14, center=true);
+                children();
+            }
+            cube(2*r, center=true);
+        }
+    }
+}
+
+erode(2) cube(10, center=true);
+

tests/CMakeLists.txt

@@ -1199,7 +1199,8 @@ list(APPEND BUGS_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue584.scad
                        ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue666.scad
                        ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue802.scad
                        ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue835.scad
-                       ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue911.scad)
+                       ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue911.scad
+                       ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue913.scad)
 
 list(APPEND OPENCSGTEST_FILES ${BUGS_FILES})
 list(APPEND CGALPNGTEST_FILES ${BUGS_FILES})