rust/tests/ui/allocator/custom-in-block.rs
2024-02-16 20:02:50 +00:00

23 lines
503 B
Rust

//@ run-pass
//@ no-prefer-dynamic
//@ aux-build:custom.rs
//@ aux-build:helper.rs
extern crate custom;
extern crate helper;
use custom::A;
use std::sync::atomic::{AtomicUsize, Ordering};
fn main() {
#[global_allocator]
pub static GLOBAL: A = A(AtomicUsize::new(0));
let n = GLOBAL.0.load(Ordering::SeqCst);
let s = Box::new(0);
helper::work_with(&s);
assert_eq!(GLOBAL.0.load(Ordering::SeqCst), n + 1);
drop(s);
assert_eq!(GLOBAL.0.load(Ordering::SeqCst), n + 2);
}