From f41a26f2040dfa752825a7d1fdfbd5a8ae3310cf Mon Sep 17 00:00:00 2001 From: varkor Date: Fri, 16 Mar 2018 14:37:17 +0000 Subject: Add sort_by_cached_key method --- src/liballoc/tests/slice.rs | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'src/liballoc/tests') diff --git a/src/liballoc/tests/slice.rs b/src/liballoc/tests/slice.rs index 300f6abaa7f..7d4dac1c5ec 100644 --- a/src/liballoc/tests/slice.rs +++ b/src/liballoc/tests/slice.rs @@ -426,9 +426,12 @@ fn test_sort() { 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())); + let mut v1 = orig.clone(); + let mut v2 = orig.clone(); + v1.sort_by_key(|x| x.to_string()); + v2.sort_by_cached_key(|x| x.to_string()); + assert!(v1.windows(2).all(|w| w[0].to_string() <= w[1].to_string())); + assert!(v1 == v2); // Sort with many pre-sorted runs. let mut v = orig.clone(); -- cgit 1.4.1-3-g733a5