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// Copyright 2012-2013-2014 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-pretty
// compile-flags:--test
// NB: 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(macro_rules)]
#![reexport_test_harness_main = "test_main"]
extern crate libc;
use std::io::{Process, Command, timer};
use std::time::Duration;
use std::str;
macro_rules! succeed( ($e:expr) => (
match $e { Ok(..) => {}, Err(e) => fail!("failure: {}", e) }
) )
fn test_destroy_once() {
let mut p = sleeper();
match p.signal_exit() {
Ok(()) => {}
Err(e) => fail!("error: {}", e),
}
}
#[cfg(unix)]
pub fn sleeper() -> Process {
Command::new("sleep").arg("1000").spawn().unwrap()
}
#[cfg(windows)]
pub fn sleeper() -> Process {
// 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
Command::new("ping").arg("127.0.0.1").arg("-n").arg("1000").spawn().unwrap()
}
fn test_destroy_twice() {
let mut p = sleeper();
succeed!(p.signal_exit()); // this shouldnt crash...
let _ = p.signal_exit(); // ...and nor should this (and nor should the destructor)
}
pub fn test_destroy_actually_kills(force: bool) {
use std::io::process::{Command, ProcessOutput, ExitStatus, ExitSignal};
use std::io::timer;
use libc;
use std::str;
#[cfg(unix,not(target_os="android"))]
static BLOCK_COMMAND: &'static str = "cat";
#[cfg(unix,target_os="android")]
static BLOCK_COMMAND: &'static str = "/system/bin/cat";
#[cfg(windows)]
static BLOCK_COMMAND: &'static str = "cmd";
// this process will stay alive indefinitely trying to read from stdin
let mut p = Command::new(BLOCK_COMMAND).spawn().unwrap();
assert!(p.signal(0).is_ok());
if force {
p.signal_kill().unwrap();
} else {
p.signal_exit().unwrap();
}
// Don't let this test time out, this should be quick
let (tx, rx1) = channel();
let mut t = timer::Timer::new().unwrap();
let rx2 = t.oneshot(Duration::milliseconds(1000));
spawn(proc() {
select! {
() = rx2.recv() => unsafe { libc::exit(1) },
() = rx1.recv() => {}
}
});
match p.wait().unwrap() {
ExitStatus(..) => fail!("expected a signal"),
ExitSignal(..) => tx.send(()),
}
}
fn test_unforced_destroy_actually_kills() {
test_destroy_actually_kills(false);
}
fn test_forced_destroy_actually_kills() {
test_destroy_actually_kills(true);
}
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