3 fn create_graph() -> VecGraph<usize> {
4 // Create a simple graph
16 VecGraph::new(7, vec![(0, 1), (1, 2), (1, 3), (3, 4), (5, 1)])
21 let graph = create_graph();
22 assert_eq!(graph.num_nodes(), 7);
27 let graph = create_graph();
28 assert_eq!(graph.successors(0), &[1]);
29 assert_eq!(graph.successors(1), &[2, 3]);
30 assert_eq!(graph.successors(2), &[]);
31 assert_eq!(graph.successors(3), &[4]);
32 assert_eq!(graph.successors(4), &[]);
33 assert_eq!(graph.successors(5), &[1]);
34 assert_eq!(graph.successors(6), &[]);
39 let graph = create_graph();
40 let dfs: Vec<_> = graph.depth_first_search(0).collect();
41 assert_eq!(dfs, vec![0, 1, 3, 4, 2]);