Fix bad merge

Author: c410-f3r

src/lib.rs

@@ -1449,6 +1449,17 @@ mod test {
         fn test_div_0() {
             let _a = _1 / _0;
         }
+
+        #[test]
+        fn test_checked_failures() {
+            let big = Ratio::new(128u8, 1);
+            let small = Ratio::new(1, 128u8);
+            assert_eq!(big.checked_add(&big), None);
+            assert_eq!(small.checked_sub(&big), None);
+            assert_eq!(big.checked_mul(&big), None);
+            assert_eq!(small.checked_div(&big), None);
+            assert_eq!(_1.checked_div(&_0), None);
+        }
     }
 
     #[test]