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// run-pass
#![allow(unused_must_use)]
#![allow(stable_features)]
#![allow(deprecated)]
#![allow(unused_imports)]
// compile-flags:--test
// ignore-emscripten no processes
// ignore-sgx no processes
// ignore-vxworks no 'cat' and 'sleep'
// N.B., these tests kill child processes. Valgrind sees these children as leaking
// memory, which makes for some *confusing* logs. That's why these are here
// instead of in std.
#![feature(rustc_private, duration)]
extern crate libc;
use std::process::{self, Command, Child, Output, Stdio};
use std::str;
use std::sync::mpsc::channel;
use std::thread;
use std::time::Duration;
macro_rules! t {
($e:expr) => (match $e { Ok(e) => e, Err(e) => panic!("error: {}", e) })
}
#[test]
fn test_destroy_once() {
let mut p = sleeper();
t!(p.kill());
}
#[cfg(unix)]
pub fn sleeper() -> Child {
t!(Command::new("sleep").arg("1000").spawn())
}
#[cfg(windows)]
pub fn sleeper() -> Child {
// There's a `timeout` command on windows, but it doesn't like having
// its output piped, so instead just ping ourselves a few times with
// gaps in between so we're sure this process is alive for awhile
t!(Command::new("ping").arg("127.0.0.1").arg("-n").arg("1000").spawn())
}
#[test]
fn test_destroy_twice() {
let mut p = sleeper();
t!(p.kill()); // this shouldn't crash...
let _ = p.kill(); // ...and nor should this (and nor should the destructor)
}
#[test]
fn test_destroy_actually_kills() {
let cmd = if cfg!(windows) {
"cmd"
} else if cfg!(target_os = "android") {
"/system/bin/cat"
} else {
"cat"
};
// this process will stay alive indefinitely trying to read from stdin
let mut p = t!(Command::new(cmd)
.stdin(Stdio::piped())
.spawn());
t!(p.kill());
// Don't let this test time out, this should be quick
let (tx, rx) = channel();
thread::spawn(move|| {
thread::sleep_ms(1000);
if rx.try_recv().is_err() {
process::exit(1);
}
});
let code = t!(p.wait()).code();
if cfg!(windows) {
assert!(code.is_some());
} else {
assert!(code.is_none());
}
tx.send(());
}
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