// Copyright 2014 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use std::old_io::process; use std::old_io::Command; use std::old_io; use std::os; fn main() { let args = os::args(); if args.len() > 1 && args[1].as_slice() == "child" { return child() } test(); } fn child() { old_io::stdout().write_line("foo").unwrap(); old_io::stderr().write_line("bar").unwrap(); assert_eq!(old_io::stdin().lock().read_line().err().unwrap().kind, old_io::EndOfFile); } fn test() { let args = os::args(); let mut p = Command::new(args[0].as_slice()).arg("child") .stdin(process::Ignored) .stdout(process::Ignored) .stderr(process::Ignored) .spawn().unwrap(); assert!(p.wait().unwrap().success()); }