2 files changed, 10 insertions, 0 deletions
diff --git a/src/libcoretest/iter.rs b/src/libcoretest/iter.rs
index c9cdf50fdbd..3f8e330b332 100644
--- a/src/libcoretest/iter.rs
+++ b/src/libcoretest/iter.rs
@@ -756,6 +756,7 @@ fn test_range() {
     // this test is only meaningful when sizeof uint < sizeof u64
     assert_eq!((uint::MAX - 1..uint::MAX).size_hint(), (1, Some(1)));
     assert_eq!((-10..-1).size_hint(), (9, Some(9)));
+    assert_eq!((-1..-10).size_hint(), (0, Some(0)));
 }
 
 #[test]
diff --git a/src/libcoretest/ptr.rs b/src/libcoretest/ptr.rs
index 7f0b97c53d4..2365b907b3f 100644
--- a/src/libcoretest/ptr.rs
+++ b/src/libcoretest/ptr.rs
@@ -167,3 +167,12 @@ fn test_set_memory() {
     unsafe { set_memory(ptr, 5u8, xs.len()); }
     assert!(xs == [5u8; 20]);
 }
+
+#[test]
+fn test_unsized_unique() {
+    let xs: &mut [_] = &mut [1, 2, 3];
+    let ptr = Unique(xs as *mut [_]);
+    let ys = unsafe { &mut *ptr.0 };
+    let zs: &mut [_] = &mut [1, 2, 3];
+    assert!(ys == zs);
+}