rust/tests/ui/auto-traits/auto-trait-validation.rs

#![feature(auto_traits)]
#![allow(dead_code)]

//@ run-rustfix

auto trait Generic<T> {}
//~^ ERROR auto traits cannot have generic parameters [E0567]
auto trait Bound : Copy {}
//~^ ERROR auto traits cannot have super traits or lifetime bounds [E0568]
auto trait LifetimeBound : 'static {}
//~^ ERROR auto traits cannot have super traits or lifetime bounds [E0568]
auto trait MyTrait { fn foo() {} }
//~^ ERROR auto traits cannot have associated items [E0380]
auto trait AssocTy { type Bar; }
//~^ ERROR auto traits cannot have associated items [E0380]
auto trait All<'a, T> {
    //~^ ERROR auto traits cannot have generic parameters [E0567]
    type Bar;
    //~^ ERROR auto traits cannot have associated items [E0380]
    fn foo() {}
}
// We can't test both generic params and super-traits because the suggestion span overlaps.
auto trait All2: Copy + 'static {
    //~^ ERROR auto traits cannot have super traits or lifetime bounds [E0568]
    type Bar;
    //~^ ERROR auto traits cannot have associated items [E0380]
    fn foo() {}
}
fn main() {}