| import networkx as nx | |
| def test_is_at_free(): | |
| is_at_free = nx.asteroidal.is_at_free | |
| cycle = nx.cycle_graph(6) | |
| assert not is_at_free(cycle) | |
| path = nx.path_graph(6) | |
| assert is_at_free(path) | |
| small_graph = nx.complete_graph(2) | |
| assert is_at_free(small_graph) | |
| petersen = nx.petersen_graph() | |
| assert not is_at_free(petersen) | |
| clique = nx.complete_graph(6) | |
| assert is_at_free(clique) | |
| line_clique = nx.line_graph(clique) | |
| assert not is_at_free(line_clique) | |