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// 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.
// run-pass
// ignore-cloudabi no processes
// 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");
}
}
}
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