| // Copyright 2016 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. |
| |
| // ignore-emscripten no processes |
| |
| use std::env; |
| use std::io; |
| use std::io::Write; |
| use std::process::{Command, Stdio}; |
| |
| fn main() { |
| let mut args = env::args(); |
| let me = args.next().unwrap(); |
| let arg = args.next(); |
| match arg.as_ref().map(|s| &s[..]) { |
| None => { |
| let mut s = Command::new(&me) |
| .arg("a1") |
| .stdin(Stdio::piped()) |
| .spawn() |
| .unwrap(); |
| s.stdin.take().unwrap().write_all(b"foo\n").unwrap(); |
| let s = s.wait().unwrap(); |
| assert!(s.success()); |
| } |
| Some("a1") => { |
| let s = Command::new(&me).arg("a2").status().unwrap(); |
| assert!(s.success()); |
| } |
| Some(..) => { |
| let mut s = String::new(); |
| io::stdin().read_line(&mut s).unwrap(); |
| assert_eq!(s, "foo\n"); |
| } |
| } |
| } |