Include empty BTreeMap in clone_from tests

1 files changed, 2 insertions, 2 deletions

diff --git a/src/liballoc/tests/btree/map.rs b/src/liballoc/tests/btree/map.rs
index 65a3fbd66a4..cd9daf41eb1 100644
--- a/src/liballoc/tests/btree/map.rs
+++ b/src/liballoc/tests/btree/map.rs
@@ -560,17 +560,17 @@ fn test_clone_from() {
     let size = 30;
 
     for i in 0..size {
-        map1.insert(i, 10 * i);
         let mut map2 = BTreeMap::new();
         for j in 0..i {
-            map2.insert(100 * j + 1, 2 * j + 1);
             let mut map1_copy = map2.clone();
             map1_copy.clone_from(&map1);
             assert_eq!(map1_copy, map1);
             let mut map2_copy = map1.clone();
             map2_copy.clone_from(&map2);
             assert_eq!(map2_copy, map2);
+            map2.insert(100 * j + 1, 2 * j + 1);
         }
+        map1.insert(i, 10 * i);
     }
 }