Auto merge of #68717 - petrochenkov:stabexpat, r=varkor

[rust.git] / tests / ui / useless_attribute.rs

diff --git a/tests/ui/useless_attribute.rs b/tests/ui/useless_attribute.rs
index 7da251101f55dd6e9943a4e18a3a20aab7ced0a9..3422eace4ab97d81613ab2d27a3082fb174cd2ea 100644 (file)
--- a/tests/ui/useless_attribute.rs
+++ b/tests/ui/useless_attribute.rs
@@ -1,19 +1,29 @@
+// run-rustfix
+// aux-build:proc_macro_derive.rs
+
 #![warn(clippy::useless_attribute)]
+#![warn(unreachable_pub)]
+#![feature(rustc_private)]
 
 #[allow(dead_code)]
 #[cfg_attr(feature = "cargo-clippy", allow(dead_code))]
 #[rustfmt::skip]
-#[cfg_attr(feature = "cargo-clippy",
-           allow(dead_code))]
 #[allow(unused_imports)]
 #[allow(unused_extern_crates)]
 #[macro_use]
-extern crate clippy_lints;
+extern crate rustc_middle;
+
+#[macro_use]
+extern crate proc_macro_derive;
 
 // don't lint on unused_import for `use` items
 #[allow(unused_imports)]
 use std::collections;
 
+// don't lint on unused for `use` items
+#[allow(unused)]
+use std::option;
+
 // don't lint on deprecated for `use` items
 mod foo {
     #[deprecated]
@@ -22,4 +32,30 @@ mod foo {
 #[allow(deprecated)]
 pub use foo::Bar;
 
-fn main() {}
+// This should not trigger the lint. There's lint level definitions inside the external derive
+// that would trigger the useless_attribute lint.
+#[derive(DeriveSomething)]
+struct Baz;
+
+// don't lint on unreachable_pub for `use` items
+mod a {
+    mod b {
+        #[allow(dead_code)]
+        #[allow(unreachable_pub)]
+        pub struct C {}
+    }
+
+    #[allow(unreachable_pub)]
+    pub use self::b::C;
+}
+
+fn test_indented_attr() {
+    #[allow(clippy::almost_swapped)]
+    use std::collections::HashSet;
+
+    let _ = HashSet::<u32>::default();
+}
+
+fn main() {
+    test_indented_attr();
+}