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