From b4090aa730640bc0dbd06a8ec5cf32b842c166e2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adolfo=20Ochagav=C3=ADa?= <aochagavia92@gmail.com>
Date: Mon, 19 Jan 2015 15:36:07 +0100
Subject: [PATCH] Add test for #21328

---
 src/libcollections/vec_map.rs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/libcollections/vec_map.rs b/src/libcollections/vec_map.rs
index 93f3e192d6d5..7ff2e9535886 100644
--- a/src/libcollections/vec_map.rs
+++ b/src/libcollections/vec_map.rs
@@ -966,7 +966,19 @@ mod test_map {
             assert_eq!(v, box 2i);
         }
         assert!(called);
-        m.insert(2, box 1i);
+    }
+
+    #[test]
+    fn test_drain_iterator() {
+        let mut map = VecMap::new();
+        map.insert(1, "a");
+        map.insert(3, "c");
+        map.insert(2, "b");
+
+        let vec: Vec<(usize, &str)> = map.drain().collect();
+
+        assert_eq!(vec, vec![(1, "a"), (2, "b"), (3, "c")]);
+        assert_eq!(map.len(), 0);
     }
 
     #[test]