blob: 25f4c6fd10bd0151dfcdb8019cc409529f5a64de [file] [log] [blame]
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![allow(unused_must_use)]
#![allow(deprecated)]
// ignore-cloudabi no process support
// ignore-emscripten no threads support
use std::{env, fmt, process, sync, thread};
struct SlowFmt(u32);
impl fmt::Debug for SlowFmt {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
thread::sleep_ms(3);
self.0.fmt(f)
}
}
fn do_print(x: u32) {
let x = SlowFmt(x);
println!("{:?}{:?}{:?}{:?}{:?}", x, x, x, x, x);
}
fn main(){
if env::args().count() == 2 {
let barrier = sync::Arc::new(sync::Barrier::new(2));
let tbarrier = barrier.clone();
let t = thread::spawn(move || {
tbarrier.wait();
do_print(1);
});
barrier.wait();
do_print(2);
t.join();
} else {
let this = env::args().next().unwrap();
let output = process::Command::new(this).arg("-").output().unwrap();
for line in String::from_utf8(output.stdout).unwrap().lines() {
match line.chars().next().unwrap() {
'1' => assert_eq!(line, "11111"),
'2' => assert_eq!(line, "22222"),
chr => panic!("unexpected character {:?}", chr)
}
}
}
}