rustc-ap-rustc_data_structures 727.0.0

Automatically published version of the package `rustc_data_structures` in the rust-lang/rust repository from commit 9a27044f42ace9eb652781b53f598e25d4e7e918 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

use super::super::tests::TestGraph;

use super::*;

#[test]
fn diamond_post_order() {
    let graph = TestGraph::new(0, &[(0, 1), (0, 2), (1, 3), (2, 3)]);

    let result = post_order_from(&graph, 0);
    assert_eq!(result, vec![3, 1, 2, 0]);
}

#[test]
fn is_cyclic() {
    use super::super::is_cyclic;

    let diamond_acyclic = TestGraph::new(0, &[(0, 1), (0, 2), (1, 3), (2, 3)]);
    let diamond_cyclic = TestGraph::new(0, &[(0, 1), (1, 2), (2, 3), (3, 0)]);

    assert!(!is_cyclic(&diamond_acyclic));
    assert!(is_cyclic(&diamond_cyclic));
}