Merge cuts by CGAL model -- Not Working

src/libslic3r/CutSurface.hpp

@@ -42,6 +42,10 @@ using SurfaceCuts = std::vector<SurfaceCut>;
 /// <param name="sc_add">Surface cut to consume</param>
 void append(SurfaceCut &sc, SurfaceCut &&sc_add);
 
+// call private function with same name to test it
+bool merge_intersection(SurfaceCut &sc1, const SurfaceCut &sc2);
+
+
 /// <summary>
 /// Merge surface cuts int one
 /// </summary>

tests/libslic3r/test_cut_surface.cpp

@@ -104,7 +104,7 @@ static Emboss::OrthoProject create_projection_for_cut(
     return Emboss::OrthoProject(tr, project_direction);
 }
 
-TEST_CASE("CutSurface in 3mf", "[]")
+TEST_CASE("CutSurface in 3mf", "[Emboss]")
 {
     std::string path_to_3mf = "C:/Users/filip/Downloads/MultiObj.3mf";
     
@@ -154,6 +154,11 @@ TEST_CASE("CutSurface in 3mf", "[]")
         cut_projection_tr, shape_scale, get_extents(shapes), z_range);
 
     float projection_ratio = -z_range.first / (z_range.second - z_range.first);
-    cut_surface(its, shapes, projection, projection_ratio);
+    SurfaceCut cut = cut_surface(its, shapes, projection, projection_ratio);
+    its_write_obj(cut, "C:/data/temp/cutSurface/result_cut.obj");
+}
+
+TEST_CASE("Merge Cuts", "[Emboss]") {
+    Slic3r::merge_intersection(); 
 }
 #endif // DEBUG_3MF

tests/slic3rutils/CMakeLists.txt

@@ -2,6 +2,7 @@ get_filename_component(_TEST_NAME ${CMAKE_CURRENT_LIST_DIR} NAME)
 add_executable(${_TEST_NAME}_tests
     ${_TEST_NAME}_tests_main.cpp
     slic3r_jobs_tests.cpp
+    test_cutSurfaceJob.cpp
     )
 
 target_link_libraries(${_TEST_NAME}_tests test_common libslic3r_gui libslic3r)