1 files changed, 6 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/unit_hash.rs b/src/tools/clippy/tests/ui/unit_hash.rs
index 43eb54eff..f3636d164 100644
--- a/src/tools/clippy/tests/ui/unit_hash.rs
+++ b/src/tools/clippy/tests/ui/unit_hash.rs
@@ -17,12 +17,18 @@ fn main() {
 
     match my_enum {
         Foo::Empty => ().hash(&mut state),
+        //~^ ERROR: this call to `hash` on the unit type will do nothing
+        //~| NOTE: the implementation of `Hash` for `()` is a no-op
         Foo::WithValue(x) => x.hash(&mut state),
     }
 
     let res = ();
     res.hash(&mut state);
+    //~^ ERROR: this call to `hash` on the unit type will do nothing
+    //~| NOTE: the implementation of `Hash` for `()` is a no-op
 
     #[allow(clippy::unit_arg)]
     do_nothing().hash(&mut state);
+    //~^ ERROR: this call to `hash` on the unit type will do nothing
+    //~| NOTE: the implementation of `Hash` for `()` is a no-op
 }