1 files changed, 27 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/rc_buffer_arc.rs b/src/tools/clippy/tests/ui/rc_buffer_arc.rs
new file mode 100644
index 000000000..1a521bfeb
--- /dev/null
+++ b/src/tools/clippy/tests/ui/rc_buffer_arc.rs
@@ -0,0 +1,27 @@
+// run-rustfix
+#![warn(clippy::rc_buffer)]
+#![allow(dead_code, unused_imports)]
+
+use std::ffi::OsString;
+use std::path::PathBuf;
+use std::sync::{Arc, Mutex};
+
+struct S {
+    // triggers lint
+    bad1: Arc<String>,
+    bad2: Arc<PathBuf>,
+    bad3: Arc<Vec<u8>>,
+    bad4: Arc<OsString>,
+    // does not trigger lint
+    good1: Arc<Mutex<String>>,
+}
+
+// triggers lint
+fn func_bad1(_: Arc<String>) {}
+fn func_bad2(_: Arc<PathBuf>) {}
+fn func_bad3(_: Arc<Vec<u8>>) {}
+fn func_bad4(_: Arc<OsString>) {}
+// does not trigger lint
+fn func_good1(_: Arc<Mutex<String>>) {}
+
+fn main() {}