diff options
| -rw-r--r-- | src/liballoc/tests/slice.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/liballoc/tests/slice.rs b/src/liballoc/tests/slice.rs index d9e9d91cea8..300f6abaa7f 100644 --- a/src/liballoc/tests/slice.rs +++ b/src/liballoc/tests/slice.rs @@ -425,6 +425,11 @@ fn test_sort() { v.sort_by(|a, b| b.cmp(a)); assert!(v.windows(2).all(|w| w[0] >= w[1])); + // Sort in lexicographic order. + let mut v = orig.clone(); + v.sort_by_key(|x| x.to_string()); + assert!(v.windows(2).all(|w| w[0].to_string() <= w[1].to_string())); + // Sort with many pre-sorted runs. let mut v = orig.clone(); v.sort(); |