Function TEST_F

tests/tools/MeshUtils/SubMeshTest.h:91–117

}

TEST_F(SubMeshTest, BoundaryFaces) {
    MeshPtr mesh = load_mesh("cube.msh");
    const size_t dim = mesh->get_dim();
    const size_t num_vertices = mesh->get_num_vertices();

    SubMesh::Ptr submesh = SubMesh::create(mesh);

    auto ori_vertices = MatrixUtils::reshape<MatrixFr>(
            mesh->get_vertices(), num_vertices, dim);
    VectorF bbox_min = ori_vertices.colwise().minCoeff();

    std::function<bool(VectorF)> filter([&](const VectorF& v) {
            return v[0] == bbox_min[0]; });
    submesh->filter_vertex_with_custom_function(filter);
    submesh->finalize();

    const MatrixFr& vertices = submesh->get_selected_vertices();
    const MatrixIr& faces = submesh->get_selected_faces();

    const size_t num_filted_vertices = vertices.rows();
    for (size_t i=0; i<num_filted_vertices; i++) {
        ASSERT_TRUE(filter(vertices.row(i)));
    }

    ASSERT_EQ(4, vertices.rows());
    ASSERT_EQ(2, faces.rows());
}

TEST_F(SubMeshTest, NotFinalized) {
    MeshPtr mesh = load_mesh("cube.msh");