message: Recode the LightTSolid test.
diff: * @author Pierre Anquez
  */
  -int main()
  +void test_mesh( const std::string& file_name )
  {
  using namespace RINGMesh;
  - try {
  - default_configure();
  -
  - // Set an output log file
  - std::string log_file( ringmesh_test_output_path + "log.txt" );
  - GEO::FileLogger* file_logger = new GEO::FileLogger( log_file );
  - Logger::instance()->register_client( file_logger );
  -
  - Logger::out( "TEST", "Import a meshed GeoModel from .so" );
  -
  - std::string file_name( ringmesh_test_data_path );
  - file_name += "modelA4.so";
  -
  GeoModel3D model;
  bool loaded_model_is_valid = geomodel_load( model, file_name );
  @@ -70,7 +57,7 @@ int main()
  model.name(), ": the loaded model is not valid." );
  }
  - // Check number of entities of the imported GeoModel (from TSolid file)
  + // Check number of entities of the imported GeoModel (from TSolid or LightTSolid file)
  if( model.nb_corners() != 52 || model.nb_lines() != 98
  || model.nb_surfaces() != 55 || model.nb_regions() != 8
  || model.nb_geological_entities( Interface3D::type_name_static() )
  @@ -81,6 +68,29 @@ int main()
  throw RINGMeshException( "RINGMesh Test", "Failed when loading model ",
  model.name(), ": wrong number of entities." );
  }
  +}
  +
  +int main()
  +{
  + using namespace RINGMesh;
  +
  + try {
  + default_configure();
  +
  + // Set an output log file
  + std::string log_file( ringmesh_test_output_path + "log.txt" );
  + GEO::FileLogger* file_logger = new GEO::FileLogger( log_file );
  + Logger::instance()->register_client( file_logger );
  +
  + Logger::out( "TEST", "Import two meshed GeoModels (1 TSolid & 1 LightTSolid) from .so" );
  +
  + std::string file_name_tsolid( ringmesh_test_data_path );
  + file_name_tsolid += "modelA4.so";
  + test_mesh( file_name_tsolid );
  +
  + std::string file_name_lighttsolid( ringmesh_test_data_path );
  + file_name_lighttsolid += "modelA4_lts.so";
  + test_mesh( file_name_lighttsolid );
  } catch( const RINGMeshException& e ) {
  Logger::err( e.category(), e.what() );
  