rust/tests/ui/attributes/duplicated-attributes.rs
2024-02-16 20:02:50 +00:00

42 lines
746 B
Rust

// Test that, if an item is annotated with a builtin attribute more than once, a warning is
// emitted.
// Tests https://github.com/rust-lang/rust/issues/90979
//@ check-pass
//@ compile-flags: --test
#![feature(test)]
#![feature(cfg_eval)]
#[test]
#[test]
//~^ WARNING duplicated attribute
fn f() {}
// The following shouldn't trigger an error. The attribute is not duplicated.
#[test]
fn f2() {}
// The following shouldn't trigger an error either. The second attribute is not #[test].
#[test]
#[inline]
fn f3() {}
extern crate test;
use test::Bencher;
#[bench]
#[bench]
//~^ WARNING duplicated attribute
fn f4(_: &mut Bencher) {}
#[cfg_eval]
#[cfg_eval]
//~^ WARNING duplicated attribute
struct S;
#[cfg_eval]
struct S2;
fn main() {}