mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-11 08:05:12 +00:00
89 lines
2.2 KiB
Rust
89 lines
2.2 KiB
Rust
//@ 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'
|
|
//@ ignore-fuchsia no 'cat'
|
|
|
|
// 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(());
|
|
}
|