rust/tests/ui/macros/macro-with-attrs1.rs

//@ run-pass
//@ compile-flags: --cfg foo --check-cfg=cfg(foo)


#[cfg(foo)]
macro_rules! foo { () => (1) }

#[cfg(not(foo))]
macro_rules! foo { () => (2) }

pub fn main() {
    assert_eq!(foo!(), 1);
}