SuperSlicer/tests/libslic3r/test_meshboolean.cpp

#include <catch2/catch.hpp>
#include <test_utils.hpp>

#include <libslic3r/TriangleMesh.hpp>
#include <libslic3r/MeshBoolean.hpp>
#include <libslic3r/SimplifyMesh.hpp>

using namespace Slic3r;

TEST_CASE("CGAL and TriangleMesh conversions", "[MeshBoolean]") {
    TriangleMesh sphere = make_sphere(1.);
    
    auto cgalmesh_ptr = MeshBoolean::cgal::triangle_mesh_to_cgal(sphere);
    
    REQUIRE(cgalmesh_ptr);
    REQUIRE(! MeshBoolean::cgal::does_self_intersect(*cgalmesh_ptr));
    
    TriangleMesh M = MeshBoolean::cgal::cgal_to_triangle_mesh(*cgalmesh_ptr);
    
    REQUIRE(M.its.vertices.size() == sphere.its.vertices.size());
    REQUIRE(M.its.indices.size() == sphere.its.indices.size());
    
    REQUIRE(M.volume() == Approx(sphere.volume()));
    
    REQUIRE(! MeshBoolean::cgal::does_self_intersect(M));
}