1 files changed, 4 insertions, 4 deletions
diff --git a/src/libcore/bool.rs b/src/libcore/bool.rs
index b4300d98483..13b8d0fc907 100644
--- a/src/libcore/bool.rs
+++ b/src/libcore/bool.rs
@@ -86,20 +86,20 @@ pub fn test_bool_from_str() {
     use from_str::FromStr;
 
     do all_values |v| {
-        assert Some(v) == FromStr::from_str(to_str(v))
+        fail_unless!(Some(v) == FromStr::from_str(to_str(v)))
     }
 }
 
 #[test]
 pub fn test_bool_to_str() {
-    assert to_str(false) == ~"false";
-    assert to_str(true) == ~"true";
+    fail_unless!(to_str(false) == ~"false");
+    fail_unless!(to_str(true) == ~"true");
 }
 
 #[test]
 pub fn test_bool_to_bit() {
     do all_values |v| {
-        assert to_bit(v) == if is_true(v) { 1u8 } else { 0u8 };
+        fail_unless!(to_bit(v) == if is_true(v) { 1u8 } else { 0u8 });
     }
 }