tests/ui/proc-macro/expand-with-a-macro.rs


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//@ run-pass
//@ needs-unwind
//@ proc-macro: expand-with-a-macro.rs


#![deny(warnings)]

#[macro_use]
extern crate expand_with_a_macro;

use std::panic;

#[derive(A)]
struct A;

fn main() {
    assert!(panic::catch_unwind(|| {
        A.a();
    }).is_err());
}