Function test_backward_io

tests/mesh/test-graph.cpp:131–138

}

void test_backward_io( const std::string& filename )
{
    auto graph = geode::load_graph( filename );

    geode::OpenGeodeMeshException::test(
        graph->edges_around_vertex( 2 ).size() == 3,
        "Backward edges_around should have 3 edges" );
}

void test_clone( const geode::Graph& graph )
{