3 files changed, 28 insertions, 0 deletions
diff --git a/src/libcollectionstest/lib.rs b/src/libcollectionstest/lib.rs
index 045ac1ce977..ba7e5c50bf8 100644
--- a/src/libcollectionstest/lib.rs
+++ b/src/libcollectionstest/lib.rs
@@ -21,6 +21,7 @@
 #![feature(fn_traits)]
 #![feature(enumset)]
 #![feature(iter_arith)]
+#![feature(linked_list_contains)]
 #![feature(map_entry_keys)]
 #![feature(map_values_mut)]
 #![feature(pattern)]
@@ -32,6 +33,7 @@
 #![feature(test)]
 #![feature(unboxed_closures)]
 #![feature(unicode)]
+#![feature(vec_deque_contains)]
 
 extern crate collections;
 extern crate test;
diff --git a/src/libcollectionstest/linked_list.rs b/src/libcollectionstest/linked_list.rs
index 7dac967d803..8aa9f9c1d3e 100644
--- a/src/libcollectionstest/linked_list.rs
+++ b/src/libcollectionstest/linked_list.rs
@@ -413,3 +413,16 @@ fn bench_iter_mut_rev(b: &mut test::Bencher) {
         assert!(m.iter_mut().rev().count() == 128);
     })
 }
+
+#[test]
+fn test_contains() {
+    let mut l = LinkedList::new();
+    l.extend(&[2, 3, 4]);
+
+    assert!(l.contains(&3));
+    assert!(!l.contains(&1));
+
+    l.clear();
+
+    assert!(!l.contains(&3));
+}
diff --git a/src/libcollectionstest/vec_deque.rs b/src/libcollectionstest/vec_deque.rs
index 95675a2423e..05af9bd704d 100644
--- a/src/libcollectionstest/vec_deque.rs
+++ b/src/libcollectionstest/vec_deque.rs
@@ -959,3 +959,16 @@ fn test_extend_ref() {
     assert_eq!(v[4], 5);
     assert_eq!(v[5], 6);
 }
+
+#[test]
+fn test_contains() {
+    let mut v = VecDeque::new();
+    v.extend(&[2, 3, 4]);
+
+    assert!(v.contains(&3));
+    assert!(!v.contains(&1));
+
+    v.clear();
+
+    assert!(!v.contains(&3));
+}