| // run-pass |
| #![allow(unused_mut)] |
| // ignore-cloudabi no processes |
| // ignore-emscripten no processes |
| // ignore-sgx no processes |
| |
| use std::env; |
| use std::io::prelude::*; |
| use std::io; |
| use std::process::{Command, Stdio}; |
| |
| fn main() { |
| let args: Vec<String> = env::args().collect(); |
| if args.len() > 1 && args[1] == "child" { |
| return child() |
| } |
| |
| test(); |
| } |
| |
| fn child() { |
| writeln!(&mut io::stdout(), "foo").unwrap(); |
| writeln!(&mut io::stderr(), "bar").unwrap(); |
| let mut stdin = io::stdin(); |
| let mut s = String::new(); |
| stdin.lock().read_line(&mut s).unwrap(); |
| assert_eq!(s.len(), 0); |
| } |
| |
| fn test() { |
| let args: Vec<String> = env::args().collect(); |
| let mut p = Command::new(&args[0]).arg("child") |
| .stdin(Stdio::piped()) |
| .stdout(Stdio::piped()) |
| .stderr(Stdio::piped()) |
| .spawn().unwrap(); |
| assert!(p.wait().unwrap().success()); |
| } |
