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nit: tweak comment order

This commit is contained in:
Niko Matsakis 2018-07-13 01:27:13 -04:00
parent 114cdd0816
commit 0472da3ed6
1 changed files with 23 additions and 21 deletions
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44
src/librustc_data_structures/graph/scc/test.rs
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@ -85,9 +85,30 @@ fn test_three_sccs() {
#[test]
fn test_find_state_2() {
// The order in which things will be visited is important to this
// test. It tests part of the `find_state` behavior.
// test. It tests part of the `find_state` behavior. Here is the
// graph:
//
// We will start in our DFS by visiting:
//
// /----+
// 0 <--+ |
// | | |
// v | |
// +-> 1 -> 3 4
// | | |
// | v |
// +-- 2 <----+
let graph = TestGraph::new(0, &[
(0, 1),
(0, 4),
(1, 2),
(1, 3),
(2, 1),
(3, 0),
(4, 2),
]);
// For this graph, we will start in our DFS by visiting:
//
// 0 -> 1 -> 2 -> 1
//
@ -114,25 +135,6 @@ fn test_find_state_2() {
// 2 InCycleWith { 1 }
// 3 InCycleWith { 0 }
/*
/----+
0 <--+ |
| | |
v | |
+-> 1 -> 3 4
| | |
| v |
+-- 2 <----+
*/
let graph = TestGraph::new(0, &[
(0, 1),
(0, 4),
(1, 2),
(1, 3),
(2, 1),
(3, 0),
(4, 2),
]);
let sccs: Sccs<_, usize> = Sccs::new(&graph);
assert_eq!(sccs.num_sccs(), 1);
assert_eq!(sccs.scc(0), 0);