1 files changed, 15 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/format.rs b/src/tools/clippy/tests/ui/format.rs
index eaf33c2a6c9..06371378f27 100644
--- a/src/tools/clippy/tests/ui/format.rs
+++ b/src/tools/clippy/tests/ui/format.rs
@@ -18,16 +18,22 @@ macro_rules! foo {
 
 fn main() {
     format!("foo");
+    //~^ useless_format
     format!("{{}}");
+    //~^ useless_format
     format!("{{}} abc {{}}");
+    //~^ useless_format
     format!(
+        //~^ useless_format
         r##"foo {{}}
 " bar"##
     );
 
     let _ = format!("");
+    //~^ useless_format
 
     format!("{}", "foo");
+    //~^ useless_format
     format!("{:?}", "foo"); // Don't warn about `Debug`.
     format!("{:8}", "foo");
     format!("{:width$}", "foo", width = 8);
@@ -36,6 +42,7 @@ fn main() {
 
     let arg = String::new();
     format!("{}", arg);
+    //~^ useless_format
     format!("{:?}", arg); // Don't warn about debug.
     format!("{:8}", arg);
     format!("{:width$}", arg, width = 8);
@@ -66,28 +73,36 @@ fn main() {
     format!("{:.prec$}", "foo", prec = 10);
 
     format!("{}", 42.to_string());
+    //~^ useless_format
     let x = std::path::PathBuf::from("/bar/foo/qux");
     format!("{}", x.display().to_string());
+    //~^ useless_format
 
     // False positive
     let a = "foo".to_string();
     let _ = Some(format!("{}", a + "bar"));
+    //~^ useless_format
 
     // Wrap it with braces
     let v: Vec<String> = vec!["foo".to_string(), "bar".to_string()];
     let _s: String = format!("{}", &*v.join("\n"));
+    //~^ useless_format
 
     format!("prepend {:+}", "s");
 
     // Issue #8290
     let x = "foo";
     let _ = format!("{x}");
+    //~^ useless_format
     let _ = format!("{x:?}"); // Don't lint on debug
     let _ = format!("{y}", y = x);
+    //~^ useless_format
 
     // Issue #9234
     let abc = "abc";
     let _ = format!("{abc}");
+    //~^ useless_format
     let xx = "xx";
     let _ = format!("{xx}");
+    //~^ useless_format
 }