X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=src%2Ftools%2Fclippy%2Ftests%2Fui%2Ftoplevel_ref_arg.fixed;fp=src%2Ftools%2Fclippy%2Ftests%2Fui%2Ftoplevel_ref_arg.fixed;h=b129d95c5602fd4d62e626d8f3c50517ea85d3f3;hb=f20569fa03b3b370f70f0df777c134d7f38d09e9;hp=0000000000000000000000000000000000000000;hpb=36d6ef2b3b6819c441d79135fddfee590bb92ee1;p=rustc.git

diff --git a/src/tools/clippy/tests/ui/toplevel_ref_arg.fixed b/src/tools/clippy/tests/ui/toplevel_ref_arg.fixed
new file mode 100644
index 0000000000..b129d95c56
--- /dev/null
+++ b/src/tools/clippy/tests/ui/toplevel_ref_arg.fixed
@@ -0,0 +1,50 @@
+// run-rustfix
+// aux-build:macro_rules.rs
+
+#![warn(clippy::toplevel_ref_arg)]
+
+#[macro_use]
+extern crate macro_rules;
+
+macro_rules! gen_binding {
+    () => {
+        let _y = &42;
+    };
+}
+
+fn main() {
+    // Closures should not warn
+    let y = |ref x| println!("{:?}", x);
+    y(1u8);
+
+    let _x = &1;
+
+    let _y: &(&_, u8) = &(&1, 2);
+
+    let _z = &(1 + 2);
+
+    let _z = &mut (1 + 2);
+
+    let (ref x, _) = (1, 2); // ok, not top level
+    println!("The answer is {}.", x);
+
+    let _x = &vec![1, 2, 3];
+
+    // Make sure that allowing the lint works
+    #[allow(clippy::toplevel_ref_arg)]
+    let ref mut _x = 1_234_543;
+
+    // ok
+    for ref _x in 0..10 {}
+
+    // lint in macro
+    #[allow(unused)]
+    {
+        gen_binding!();
+    }
+
+    // do not lint in external macro
+    {
+        ref_arg_binding!();
+    }
+}