Network Visualization

Using an invalid graph triggers an error.

Code
  add_balanced_tree(invalid_graph)
Condition
  Error in `add_balanced_tree()`:
  ! The graph is not valid.
Code
  add_cycle(invalid_graph)
Condition
  Error in `add_cycle()`:
  ! The graph is not valid.
Code
  add_edge(invalid_graph)
Condition
  Error in `add_edge()`:
  ! The graph is not valid.
Code
  add_edge_clone(invalid_graph)
Condition
  Error in `add_edge_clone()`:
  ! The graph is not valid.
Code
  add_edge_df(invalid_graph)
Condition
  Error in `add_edge_df()`:
  ! The graph is not valid.
Code
  add_edges_from_table(invalid_graph)
Condition
  Error in `add_edges_from_table()`:
  ! The graph is not valid.
Code
  add_edges_w_string(invalid_graph)
Condition
  Error in `add_edges_w_string()`:
  ! The graph is not valid.
Code
  add_forward_edges_ws(invalid_graph)
Condition
  Error in `add_forward_edges_ws()`:
  ! The graph is not valid.
Code
  add_full_graph(invalid_graph)
Condition
  Error in `add_full_graph()`:
  ! The graph is not valid.
Code
  add_global_graph_attrs(invalid_graph)
Condition
  Error in `add_global_graph_attrs()`:
  ! The graph is not valid.
Code
  add_gnm_graph(invalid_graph)
Condition
  Error in `add_gnm_graph()`:
  ! The graph is not valid.
Code
  add_gnp_graph(invalid_graph)
Condition
  Error in `add_gnp_graph()`:
  ! The graph is not valid.
Code
  add_graph_action(invalid_graph)
Condition
  Error in `add_graph_action()`:
  ! The graph is not valid.
Code
  add_graph_to_graph_series(graph_series = invalid_graph)
Condition
  Error in `add_graph_to_graph_series()`:
  ! `graph` is absent but must be supplied.
Code
  add_grid_2d(invalid_graph)
Condition
  Error in `add_grid_2d()`:
  ! The graph is not valid.
Code
  add_grid_3d(invalid_graph)
Condition
  Error in `add_grid_3d()`:
  ! The graph is not valid.
Code
  add_growing_graph(invalid_graph)
Condition
  Error in `add_growing_graph()`:
  ! The graph is not valid.
Code
  add_islands_graph(invalid_graph)
Condition
  Error in `add_islands_graph()`:
  ! The graph is not valid.
Code
  add_n_node_clones(invalid_graph)
Condition
  Error in `add_n_node_clones()`:
  ! The graph is not valid.
Code
  add_n_nodes(invalid_graph)
Condition
  Error in `add_n_nodes()`:
  ! The graph is not valid.
Code
  add_n_nodes_ws(invalid_graph)
Condition
  Error in `add_n_nodes_ws()`:
  ! The graph is not valid.
Code
  add_node(invalid_graph)
Condition
  Error in `add_node()`:
  ! The graph is not valid.
Code
  add_node_clones_ws(invalid_graph)
Condition
  Error in `add_node_clones_ws()`:
  ! The graph is not valid.
Code
  add_node_df(invalid_graph)
Condition
  Error in `add_node_df()`:
  ! The graph is not valid.
Code
  add_nodes_from_df_cols(invalid_graph)
Condition
  Error in `add_nodes_from_df_cols()`:
  ! The graph is not valid.
Code
  add_nodes_from_table(invalid_graph)
Condition
  Error in `add_nodes_from_table()`:
  ! The graph is not valid.
Code
  add_pa_graph(invalid_graph)
Condition
  Error in `add_pa_graph()`:
  ! The graph is not valid.
Code
  add_path(invalid_graph)
Condition
  Error in `add_path()`:
  ! The graph is not valid.
Code
  add_prism(invalid_graph)
Condition
  Error in `add_prism()`:
  ! The graph is not valid.
Code
  add_smallworld_graph(invalid_graph)
Condition
  Error in `add_smallworld_graph()`:
  ! The graph is not valid.
Code
  add_star(invalid_graph)
Condition
  Error in `add_star()`:
  ! The graph is not valid.
Code
  add_reverse_edges_ws(invalid_graph)
Condition
  Error in `add_reverse_edges_ws()`:
  ! The graph is not valid.
Code
  clear_selection(invalid_graph)
Condition
  Error in `clear_selection()`:
  ! The graph is not valid.
Code
  colorize_edge_attrs(invalid_graph)
Condition
  Error in `colorize_edge_attrs()`:
  ! The graph is not valid.
Code
  colorize_node_attrs(invalid_graph)
Condition
  Error in `colorize_node_attrs()`:
  ! The graph is not valid.
Code
  copy_edge_attrs(invalid_graph)
Condition
  Error in `copy_edge_attrs()`:
  ! The graph is not valid.
Code
  copy_node_attrs(invalid_graph)
Condition
  Error in `copy_node_attrs()`:
  ! The graph is not valid.
Code
  count_asymmetric_node_pairs(invalid_graph)
Condition
  Error in `count_asymmetric_node_pairs()`:
  ! The graph is not valid.
Code
  count_automorphisms(invalid_graph)
Condition
  Error in `count_automorphisms()`:
  ! The graph is not valid.
Code
  count_edges(invalid_graph)
Condition
  Error in `count_edges()`:
  ! The graph is not valid.
Code
  count_loop_edges(invalid_graph)
Condition
  Error in `count_loop_edges()`:
  ! The graph is not valid.
Code
  count_mutual_node_pairs(invalid_graph)
Condition
  Error in `count_mutual_node_pairs()`:
  ! The graph is not valid.
Code
  count_nodes(invalid_graph)
Condition
  Error in `count_nodes()`:
  ! The graph is not valid.
Code
  count_s_connected_cmpts(invalid_graph)
Condition
  Error in `count_s_connected_cmpts()`:
  ! The graph is not valid.
Code
  count_unconnected_node_pairs(invalid_graph)
Condition
  Error in `count_unconnected_node_pairs()`:
  ! The graph is not valid.
Code
  count_unconnected_nodes(invalid_graph)
Condition
  Error in `count_unconnected_nodes()`:
  ! The graph is not valid.
Code
  count_w_connected_cmpts(invalid_graph)
Condition
  Error in `count_w_connected_cmpts()`:
  ! The graph is not valid.
Code
  create_graph_series(invalid_graph)
Condition
  Error in `create_graph_series()`:
  ! The graph is not valid.
Code
  delete_edge(invalid_graph)
Condition
  Error in `delete_edge()`:
  ! The graph is not valid.
Code
  delete_edges_ws(invalid_graph)
Condition
  Error in `delete_edges_ws()`:
  ! The graph is not valid.
Code
  delete_global_graph_attrs(invalid_graph)
Condition
  Error in `delete_global_graph_attrs()`:
  ! The graph is not valid.
Code
  delete_graph_actions(invalid_graph)
Condition
  Error in `delete_graph_actions()`:
  ! The graph is not valid.
Code
  delete_loop_edges_ws(invalid_graph)
Condition
  Error in `delete_loop_edges_ws()`:
  ! The graph is not valid.
Code
  deselect_edges(invalid_graph)
Condition
  Error in `deselect_edges()`:
  ! The graph is not valid.
Code
  deselect_nodes(invalid_graph)
Condition
  Error in `deselect_nodes()`:
  ! The graph is not valid.
Code
  delete_node(invalid_graph)
Condition
  Error in `delete_node()`:
  ! The graph is not valid.
Code
  delete_nodes_ws(invalid_graph)
Condition
  Error in `delete_nodes_ws()`:
  ! The graph is not valid.
Code
  display_metagraph(invalid_graph)
Condition
  Error in `display_metagraph()`:
  ! The graph is not valid.
Code
  do_bfs(invalid_graph)
Condition
  Error in `do_bfs()`:
  ! The graph is not valid.
Code
  do_dfs(invalid_graph)
Condition
  Error in `do_dfs()`:
  ! The graph is not valid.
Code
  drop_edge_attrs(invalid_graph)
Condition
  Error in `drop_edge_attrs()`:
  ! The graph is not valid.
Code
  drop_node_attrs(invalid_graph)
Condition
  Error in `drop_node_attrs()`:
  ! The graph is not valid.
Code
  export_csv(invalid_graph)
Condition
  Error in `export_csv()`:
  ! The graph is not valid.
Code
  export_graph(invalid_graph)
Condition
  Error in `export_graph()`:
  ! The graph is not valid.
Code
  fully_connect_nodes_ws(invalid_graph)
Condition
  Error in `fully_connect_nodes_ws()`:
  ! The graph is not valid.
Code
  fully_disconnect_nodes_ws(invalid_graph)
Condition
  Error in `fully_disconnect_nodes_ws()`:
  ! The graph is not valid.
Code
  generate_dot(invalid_graph)
Condition
  Error in `generate_dot()`:
  ! The graph is not valid.
Code
  get_adhesion(invalid_graph)
Condition
  Error in `get_adhesion()`:
  ! The graph is not valid.
Code
  get_agg_degree_in(invalid_graph)
Condition
  Error in `get_agg_degree_in()`:
  ! The graph is not valid.
Code
  get_agg_degree_out(invalid_graph)
Condition
  Error in `get_agg_degree_out()`:
  ! The graph is not valid.
Code
  get_agg_degree_total(invalid_graph)
Condition
  Error in `get_agg_degree_total()`:
  ! The graph is not valid.
Code
  get_all_connected_nodes(invalid_graph)
Condition
  Error in `get_all_connected_nodes()`:
  ! The graph is not valid.
Code
  get_alpha_centrality(invalid_graph)
Condition
  Error in `get_alpha_centrality()`:
  ! The graph is not valid.
Code
  get_articulation_points(invalid_graph)
Condition
  Error in `get_articulation_points()`:
  ! The graph is not valid.
Code
  get_authority_centrality(invalid_graph)
Condition
  Error in `get_authority_centrality()`:
  ! The graph is not valid.
Code
  get_betweenness(invalid_graph)
Condition
  Error in `get_betweenness()`:
  ! The graph is not valid.
Code
  get_cache(invalid_graph)
Condition
  Error in `get_cache()`:
  ! The graph is not valid.
Code
  get_closeness(invalid_graph)
Condition
  Error in `get_closeness()`:
  ! The graph is not valid.
Code
  get_closeness_vitality(invalid_graph)
Condition
  Error in `get_closeness_vitality()`:
  ! The graph is not valid.
Code
  get_cmty_edge_btwns(invalid_graph)
Condition
  Error in `get_cmty_edge_btwns()`:
  ! The graph is not valid.
Code
  get_cmty_fast_greedy(invalid_graph)
Condition
  Error in `get_cmty_fast_greedy()`:
  ! The graph is not valid.
Code
  get_cmty_l_eigenvec(invalid_graph)
Condition
  Error in `get_cmty_l_eigenvec()`:
  ! The graph is not valid.
Code
  get_cmty_louvain(invalid_graph)
Condition
  Error in `get_cmty_louvain()`:
  ! The graph is not valid.
Code
  get_cmty_walktrap(invalid_graph)
Condition
  Error in `get_cmty_walktrap()`:
  ! The graph is not valid.
Code
  get_common_nbrs(invalid_graph)
Condition
  Error in `get_common_nbrs()`:
  ! The graph is not valid.
Code
  get_coreness(invalid_graph)
Condition
  Error in `get_coreness()`:
  ! The graph is not valid.
Code
  get_degree_distribution(invalid_graph)
Condition
  Error in `get_degree_distribution()`:
  ! The graph is not valid.
Code
  get_degree_histogram(invalid_graph)
Condition
  Error in `get_degree_histogram()`:
  ! The graph is not valid.
Code
  get_degree_in(invalid_graph)
Condition
  Error in `get_degree_in()`:
  ! The graph is not valid.
Code
  get_degree_out(invalid_graph)
Condition
  Error in `get_degree_out()`:
  ! The graph is not valid.
Code
  get_degree_total(invalid_graph)
Condition
  Error in `get_degree_total()`:
  ! The graph is not valid.
Code
  get_dice_similarity(invalid_graph)
Condition
  Error in `get_dice_similarity()`:
  ! The graph is not valid.
Code
  get_eccentricity(invalid_graph)
Condition
  Error in `get_eccentricity()`:
  ! The graph is not valid.
Code
  get_edge_attrs(invalid_graph)
Condition
  Error in `get_edge_attrs()`:
  ! The graph is not valid.
Code
  get_edge_attrs_ws(invalid_graph)
Condition
  Error in `get_edge_attrs_ws()`:
  ! The graph is not valid.
Code
  get_edge_count_w_multiedge(invalid_graph)
Condition
  Error in `get_edge_count_w_multiedge()`:
  ! The graph is not valid.
Code
  get_edge_df(invalid_graph)
Condition
  Error in `get_edge_df()`:
  ! The graph is not valid.
Code
  get_edge_df_ws(invalid_graph)
Condition
  Error in `get_edge_df_ws()`:
  ! The graph is not valid.
Code
  get_edge_info(invalid_graph)
Condition
  Error in `get_edge_info()`:
  ! The graph is not valid.
Code
  get_eigen_centrality(invalid_graph)
Condition
  Error in `get_eigen_centrality()`:
  ! The graph is not valid.
Code
  get_girth(invalid_graph)
Condition
  Error in `get_girth()`:
  ! The graph is not valid.
Code
  get_global_graph_attr_info(invalid_graph)
Condition
  Error in `get_global_graph_attr_info()`:
  ! The graph is not valid.
Code
  get_graph_actions(invalid_graph)
Condition
  Error in `get_graph_actions()`:
  ! The graph is not valid.
Code
  get_graph_log(invalid_graph)
Condition
  Error in `get_graph_log()`:
  ! The graph is not valid.
Code
  get_graph_name(invalid_graph)
Condition
  Error in `get_graph_name()`:
  ! The graph is not valid.
Code
  get_graph_time(invalid_graph)
Condition
  Error in `get_graph_time()`:
  ! The graph is not valid.
Code
  get_jaccard_similarity(invalid_graph)
Condition
  Error in `get_jaccard_similarity()`:
  ! The graph is not valid.
Code
  get_last_edges_created(invalid_graph)
Condition
  Error in `get_last_edges_created()`:
  ! The graph is not valid.
Code
  get_last_nodes_created(invalid_graph)
Condition
  Error in `get_last_nodes_created()`:
  ! The graph is not valid.
Code
  get_leverage_centrality(invalid_graph)
Condition
  Error in `get_leverage_centrality()`:
  ! The graph is not valid.
Code
  get_max_eccentricity(invalid_graph)
Condition
  Error in `get_max_eccentricity()`:
  ! The graph is not valid.
Code
  get_mean_distance(invalid_graph)
Condition
  Error in `get_mean_distance()`:
  ! The graph is not valid.
Code
  get_min_cut_between(invalid_graph)
Condition
  Error in `get_min_cut_between()`:
  ! The graph is not valid.
Code
  get_min_eccentricity(invalid_graph)
Condition
  Error in `get_min_eccentricity()`:
  ! The graph is not valid.
Code
  get_multiedge_count(invalid_graph)
Condition
  Error in `get_multiedge_count()`:
  ! The graph is not valid.
Code
  get_nbrs(invalid_graph)
Condition
  Error in `get_nbrs()`:
  ! The graph is not valid.
Code
  get_node_attrs(invalid_graph)
Condition
  Error in `get_node_attrs()`:
  ! The graph is not valid.
Code
  get_node_attrs_ws(invalid_graph)
Condition
  Error in `get_node_attrs_ws()`:
  ! The graph is not valid.
Code
  get_node_df(invalid_graph)
Condition
  Error in `get_node_df()`:
  ! The graph is not valid.
Code
  get_node_df_ws(invalid_graph)
Condition
  Error in `get_node_df_ws()`:
  ! The graph is not valid.
Code
  get_node_ids(invalid_graph)
Condition
  Error in `is_graph_empty()`:
  ! The graph is not valid.
Code
  get_node_info(invalid_graph)
Condition
  Error in `get_node_info()`:
  ! The graph is not valid.
Code
  get_non_nbrs(invalid_graph)
Condition
  Error in `get_non_nbrs()`:
  ! The graph is not valid.
Code
  get_pagerank(invalid_graph)
Condition
  Error in `get_pagerank()`:
  ! The graph is not valid.
Code
  get_paths(invalid_graph)
Condition
  Error in `get_paths()`:
  ! The graph is not valid.
Code
  get_periphery(invalid_graph)
Condition
  Error in `get_periphery()`:
  ! The graph is not valid.
Code
  get_predecessors(invalid_graph)
Condition
  Error in `get_predecessors()`:
  ! The graph is not valid.
Code
  get_radiality(invalid_graph)
Condition
  Error in `get_radiality()`:
  ! The graph is not valid.
Code
  get_reciprocity(invalid_graph)
Condition
  Error in `get_reciprocity()`:
  ! The graph is not valid.
Code
  get_s_connected_cmpts(invalid_graph)
Condition
  Error in `get_s_connected_cmpts()`:
  ! The graph is not valid.
Code
  get_selection(invalid_graph)
Condition
  Error in `get_selection()`:
  ! The graph is not valid.
Code
  get_similar_nbrs(invalid_graph)
Condition
  Error in `get_similar_nbrs()`:
  ! The graph is not valid.
Code
  get_successors(invalid_graph)
Condition
  Error in `get_successors()`:
  ! The graph is not valid.
Code
  get_w_connected_cmpts(invalid_graph)
Condition
  Error in `get_w_connected_cmpts()`:
  ! The graph is not valid.
Code
  get_graph_info(invalid_graph)
Condition
  Error in `get_graph_info()`:
  ! The graph is not valid.
Code
  invert_selection(invalid_graph)
Condition
  Error in `invert_selection()`:
  ! The graph is not valid.
Code
  is_edge_loop(invalid_graph)
Condition
  Error in `is_edge_loop()`:
  ! The graph is not valid.
Code
  is_edge_multiple(invalid_graph)
Condition
  Error in `is_edge_multiple()`:
  ! The graph is not valid.
Code
  is_edge_mutual(invalid_graph)
Condition
  Error in `is_edge_mutual()`:
  ! The graph is not valid.
Code
  is_edge_present(invalid_graph)
Condition
  Error in `is_edge_present()`:
  ! The graph is not valid.
Code
  is_graph_connected(invalid_graph)
Condition
  Error in `is_graph_connected()`:
  ! The graph is not valid.
Code
  is_graph_dag(invalid_graph)
Condition
  Error in `is_graph_dag()`:
  ! The graph is not valid.
Code
  is_graph_directed(invalid_graph)
Condition
  Error in `is_graph_directed()`:
  ! The graph is not valid.
Code
  is_graph_empty(invalid_graph)
Condition
  Error in `is_graph_empty()`:
  ! The graph is not valid.
Code
  is_graph_simple(invalid_graph)
Condition
  Error in `is_graph_simple()`:
  ! The graph is not valid.
Code
  is_graph_undirected(invalid_graph)
Condition
  Error in `is_graph_undirected()`:
  ! The graph is not valid.
Code
  is_graph_weighted(invalid_graph)
Condition
  Error in `is_graph_weighted()`:
  ! The graph is not valid.
Code
  is_node_present(invalid_graph)
Condition
  Error in `is_node_present()`:
  ! The graph is not valid.
Code
  is_property_graph(invalid_graph)
Condition
  Error in `is_property_graph()`:
  ! The graph is not valid.
Code
  join_edge_attrs(invalid_graph)
Condition
  Error in `join_edge_attrs()`:
  ! The graph is not valid.
Code
  join_node_attrs(invalid_graph)
Condition
  Error in `join_node_attrs()`:
  ! The graph is not valid.
Code
  layout_nodes_w_string(invalid_graph)
Condition
  Error in `layout_nodes_w_string()`:
  ! The graph is not valid.
Code
  mutate_edge_attrs(invalid_graph)
Condition
  Error in `mutate_edge_attrs()`:
  ! The graph is not valid.
Code
  mutate_edge_attrs_ws(invalid_graph)
Condition
  Error in `mutate_edge_attrs_ws()`:
  ! The graph is not valid.
Code
  mutate_node_attrs(invalid_graph)
Condition
  Error in `mutate_node_attrs()`:
  ! The graph is not valid.
Code
  mutate_node_attrs_ws(invalid_graph)
Condition
  Error in `mutate_node_attrs_ws()`:
  ! The graph is not valid.
Code
  nudge_node_positions_ws(invalid_graph)
Condition
  Error in `nudge_node_positions_ws()`:
  ! The graph is not valid.
Code
  recode_edge_attrs(invalid_graph)
Condition
  Error in `recode_edge_attrs()`:
  ! The graph is not valid.
Code
  recode_node_attrs(invalid_graph)
Condition
  Error in `recode_node_attrs()`:
  ! The graph is not valid.
Code
  rename_edge_attrs(invalid_graph)
Condition
  Error in `rename_edge_attrs()`:
  ! The graph is not valid.
Code
  rename_node_attrs(invalid_graph)
Condition
  Error in `rename_node_attrs()`:
  ! The graph is not valid.
Code
  render_graph(invalid_graph)
Condition
  Error in `render_graph()`:
  ! The graph is not valid.
Code
  reorder_graph_actions(invalid_graph)
Condition
  Error in `reorder_graph_actions()`:
  ! The graph is not valid.
Code
  rescale_edge_attrs(invalid_graph)
Condition
  Error in `rescale_edge_attrs()`:
  ! The graph is not valid.
Code
  rescale_node_attrs(invalid_graph)
Condition
  Error in `rescale_node_attrs()`:
  ! The graph is not valid.
Code
  rev_edge_dir(invalid_graph)
Condition
  Error in `rev_edge_dir()`:
  ! The graph is not valid.
Code
  rev_edge_dir_ws(invalid_graph)
Condition
  Error in `rev_edge_dir_ws()`:
  ! The graph is not valid.
Code
  select_edges(invalid_graph)
Condition
  Error in `select_edges()`:
  ! The graph is not valid.
Code
  select_edges_by_edge_id(invalid_graph)
Condition
  Error in `select_edges_by_edge_id()`:
  ! The graph is not valid.
Code
  select_edges_by_node_id(invalid_graph)
Condition
  Error in `select_edges_by_node_id()`:
  ! The graph is not valid.
Code
  select_last_edges_created(invalid_graph)
Condition
  Error in `select_last_edges_created()`:
  ! The graph is not valid.
Code
  select_last_nodes_created(invalid_graph)
Condition
  Error in `select_last_nodes_created()`:
  ! The graph is not valid.
Code
  select_nodes(invalid_graph)
Condition
  Error in `select_nodes()`:
  ! The graph is not valid.
Code
  select_nodes_by_degree(invalid_graph)
Condition
  Error in `select_nodes_by_degree()`:
  ! The graph is not valid.
Code
  select_nodes_by_id(invalid_graph)
Condition
  Error in `select_nodes_by_id()`:
  ! The graph is not valid.
Code
  select_nodes_in_neighborhood(invalid_graph)
Condition
  Error in `select_nodes_in_neighborhood()`:
  ! The graph is not valid.
Code
  set_cache(invalid_graph)
Condition
  Error in `set_cache()`:
  ! The graph is not valid.
Code
  set_edge_attr_to_display(invalid_graph)
Condition
  Error in `set_edge_attr_to_display()`:
  ! The graph is not valid.
Code
  set_edge_attrs(invalid_graph)
Condition
  Error in `set_edge_attrs()`:
  ! argument "values" is missing, with no default
Code
  set_edge_attrs_ws(invalid_graph)
Condition
  Error in `set_edge_attrs_ws()`:
  ! The graph is not valid.
Code
  set_graph_directed(invalid_graph)
Condition
  Error in `set_graph_directed()`:
  ! The graph is not valid.
Code
  set_graph_name(invalid_graph)
Condition
  Error in `set_graph_name()`:
  ! The graph is not valid.
Code
  set_graph_time(invalid_graph)
Condition
  Error in `set_graph_time()`:
  ! The graph is not valid.
Code
  set_graph_undirected(invalid_graph)
Condition
  Error in `set_graph_undirected()`:
  ! The graph is not valid.
Code
  set_node_attr_to_display(invalid_graph)
Condition
  Error in `set_node_attr_to_display()`:
  ! The graph is not valid.
Code
  set_node_attr_w_fcn(invalid_graph)
Condition
  Error in `set_node_attr_w_fcn()`:
  ! The graph is not valid.
Code
  set_node_attrs(invalid_graph)
Condition
  Error in `set_node_attrs()`:
  ! argument "values" is missing, with no default
Code
  set_node_attrs_ws(invalid_graph)
Condition
  Error in `set_node_attrs_ws()`:
  ! The graph is not valid.
Code
  set_node_position(invalid_graph)
Condition
  Error in `set_node_position()`:
  ! The graph is not valid.
Code
  to_igraph(invalid_graph)
Condition
  Error in `to_igraph()`:
  ! The graph is not valid.
Code
  transform_to_complement_graph(invalid_graph)
Condition
  Error in `transform_to_complement_graph()`:
  ! The graph is not valid.
Code
  transform_to_min_spanning_tree(invalid_graph)
Condition
  Error in `transform_to_min_spanning_tree()`:
  ! The graph is not valid.
Code
  transform_to_subgraph_ws(invalid_graph)
Condition
  Error in `transform_to_subgraph_ws()`:
  ! The graph is not valid.
Code
  trav_both(invalid_graph)
Condition
  Error in `trav_both()`:
  ! The graph is not valid.
Code
  trav_both_edge(invalid_graph)
Condition
  Error in `trav_both_edge()`:
  ! The graph is not valid.
Code
  trav_in(invalid_graph)
Condition
  Error in `trav_in()`:
  ! The graph is not valid.
Code
  trav_in_edge(invalid_graph)
Condition
  Error in `trav_in_edge()`:
  ! The graph is not valid.
Code
  trav_in_node(invalid_graph)
Condition
  Error in `trav_in_node()`:
  ! The graph is not valid.
Code
  trav_in_until(invalid_graph)
Condition
  Error in `trav_in_until()`:
  ! The graph is not valid.
Code
  trav_reverse_edge(invalid_graph)
Condition
  Error in `trav_reverse_edge()`:
  ! The graph is not valid.
Code
  trav_out(invalid_graph)
Condition
  Error in `trav_out()`:
  ! The graph is not valid.
Code
  trav_out_edge(invalid_graph)
Condition
  Error in `trav_out_edge()`:
  ! The graph is not valid.
Code
  trav_out_node(invalid_graph)
Condition
  Error in `trav_out_node()`:
  ! The graph is not valid.
Code
  trav_out_until(invalid_graph)
Condition
  Error in `trav_out_until()`:
  ! The graph is not valid.
Code
  trav_reverse_edge(invalid_graph)
Condition
  Error in `trav_reverse_edge()`:
  ! The graph is not valid.
Code
  trigger_graph_actions(invalid_graph)
Condition
  Error in `trigger_graph_actions()`:
  ! The graph is not valid.

Using an empty graph with trigger an error

Code
  add_edge(empty_graph)
Condition
  Error in `add_edge()`:
  ! The graph does not contain nodes.
  * An edge cannot be added.
Code
  add_edge_df(empty_graph)
Condition
  Error in `add_edge_df()`:
  ! The graph does not contain nodes.
  * So, edges cannot be added.

Using a graph with no edges with trigger an error

Code
  add_edge_clone(graph_no_edges)
Condition
  Error in `add_edge_clone()`:
  ! The graph contains no edges.
Code
  add_forward_edges_ws(graph_no_edges)
Condition
  Error in `add_forward_edges_ws()`:
  ! The graph contains no edges.
Code
  add_reverse_edges_ws(graph_no_edges)
Condition
  Error in `add_reverse_edges_ws()`:
  ! The graph contains no edges.
Code
  delete_edge(graph_no_edges)
Condition
  Error in `delete_edge()`:
  ! The graph contains no edges.
Code
  delete_edges_ws(graph_no_edges)
Condition
  Error in `delete_edges_ws()`:
  ! The graph contains no edges.
Code
  get_edge_count_w_multiedge(graph_no_edges)
Condition
  Error in `get_edge_count_w_multiedge()`:
  ! The graph contains no edges.
Code
  get_last_edges_created(graph_no_edges)
Condition
  Error in `get_last_edges_created()`:
  ! The graph contains no edges.
Code
  get_multiedge_count(graph_no_edges)
Condition
  Error in `get_multiedge_count()`:
  ! The graph contains no edges.
Code
  is_edge_loop(graph_no_edges)
Condition
  Error in `is_edge_loop()`:
  ! The graph contains no edges.
Code
  is_edge_multiple(graph_no_edges)
Condition
  Error in `is_edge_multiple()`:
  ! The graph contains no edges.
Code
  is_edge_mutual(graph_no_edges)
Condition
  Error in `is_edge_mutual()`:
  ! The graph contains no edges.
Code
  mutate_edge_attrs_ws(graph_no_edges)
Condition
  Error in `mutate_edge_attrs_ws()`:
  ! The graph contains no edges.
Code
  recode_edge_attrs(graph_no_edges)
Condition
  Error in `recode_edge_attrs()`:
  ! The graph contains no edges.
Code
  rename_edge_attrs(graph_no_edges)
Condition
  Error in `rename_edge_attrs()`:
  ! The graph contains no edges.
Code
  rescale_edge_attrs(graph_no_edges)
Condition
  Error in `rescale_edge_attrs()`:
  ! The graph contains no edges.
Code
  rev_edge_dir(graph_no_edges)
Condition
  Error in `rev_edge_dir()`:
  ! The graph contains no edges.
Code
  rev_edge_dir_ws(graph_no_edges)
Condition
  Error in `rev_edge_dir_ws()`:
  ! The graph contains no edges.
Code
  select_edges(graph_no_edges)
Condition
  Error in `select_edges()`:
  ! The graph contains no edges.
Code
  select_edges_by_edge_id(graph_no_edges)
Condition
  Error in `select_edges_by_edge_id()`:
  ! The graph contains no edges.
Code
  select_edges_by_node_id(graph_no_edges)
Condition
  Error in `select_edges_by_node_id()`:
  ! The graph contains no edges.
Code
  select_last_edges_created(graph_no_edges)
Condition
  Error in `select_last_edges_created()`:
  ! The graph contains no edges.
Code
  set_edge_attr_to_display(graph_no_edges)
Condition
  Error in `set_edge_attr_to_display()`:
  ! The graph contains no edges.
Code
  set_edge_attrs_ws(graph_no_edges)
Condition
  Error in `set_edge_attrs_ws()`:
  ! The graph contains no edges.
Code
  trav_both(graph_no_edges)
Condition
  Error in `trav_both()`:
  ! The graph contains no edges.
Code
  trav_both_edge(graph_no_edges)
Condition
  Error in `trav_both_edge()`:
  ! The graph contains no edges.
Code
  trav_in(graph_no_edges)
Condition
  Error in `trav_in()`:
  ! The graph contains no edges.
Code
  trav_in_edge(graph_no_edges)
Condition
  Error in `trav_in_edge()`:
  ! The graph contains no edges.
Code
  trav_in_node(graph_no_edges)
Condition
  Error in `trav_in_node()`:
  ! The graph contains no edges.
Code
  trav_in_until(graph_no_edges)
Condition
  Error in `trav_in_until()`:
  ! The graph contains no edges.
Code
  trav_out(graph_no_edges)
Condition
  Error in `trav_out()`:
  ! The graph contains no edges.
Code
  trav_out_edge(graph_no_edges)
Condition
  Error in `trav_out_edge()`:
  ! The graph contains no edges.
Code
  trav_out_node(graph_no_edges)
Condition
  Error in `trav_out_node()`:
  ! The graph contains no edges.
Code
  trav_out_until(graph_no_edges)
Condition
  Error in `trav_out_until()`:
  ! The graph contains no edges.
Code
  trav_reverse_edge(graph_no_edges)
Condition
  Error in `trav_reverse_edge()`:
  ! The graph contains no edges.