1 files changed, 3 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/cmp_null.rs b/src/tools/clippy/tests/ui/cmp_null.rs
index 2d2d04178..ef1d93940 100644
--- a/src/tools/clippy/tests/ui/cmp_null.rs
+++ b/src/tools/clippy/tests/ui/cmp_null.rs
@@ -7,11 +7,14 @@ fn main() {
     let x = 0;
     let p: *const usize = &x;
     if p == ptr::null() {
+        //~^ ERROR: comparing with null is better expressed by the `.is_null()` method
+        //~| NOTE: `-D clippy::cmp-null` implied by `-D warnings`
         println!("This is surprising!");
     }
     let mut y = 0;
     let mut m: *mut usize = &mut y;
     if m == ptr::null_mut() {
+        //~^ ERROR: comparing with null is better expressed by the `.is_null()` method
         println!("This is surprising, too!");
     }
 }