rust/tests/ui/threads-sendsync/eprint-on-tls-drop.rs

50 lines
1.0 KiB
Rust

//@ run-pass
//@ needs-threads
//@ ignore-sgx no processes
use std::cell::RefCell;
use std::env;
use std::process::Command;
fn main() {
let name = "YOU_ARE_THE_TEST";
if env::var(name).is_ok() {
std::thread::spawn(|| {
TLS.with(|f| f.borrow().ensure());
})
.join()
.unwrap();
} else {
let me = env::current_exe().unwrap();
let output = Command::new(&me).env(name, "1").output().unwrap();
println!("{:?}", output);
assert!(output.status.success());
let stderr = String::from_utf8(output.stderr).unwrap();
assert!(stderr.contains("hello new\n"));
assert!(stderr.contains("hello drop\n"));
}
}
struct Stuff {
_x: usize,
}
impl Stuff {
fn new() -> Self {
eprintln!("hello new");
Self { _x: 0 }
}
fn ensure(&self) {}
}
impl Drop for Stuff {
fn drop(&mut self) {
eprintln!("hello drop");
}
}
thread_local! {
static TLS: RefCell<Stuff> = RefCell::new(Stuff::new());
}