rust/src/test/run-pass/core-run-destroy.rs
Alex Crichton d4a2c94180 std: Clean out #[deprecated] APIs
This commit cleans out a large amount of deprecated APIs from the standard
library and some of the facade crates as well, updating all users in the
compiler and in tests as it goes along.
2015-03-31 15:49:57 -07:00

108 lines
3.2 KiB
Rust

// 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.
#![reexport_test_harness_main = "test_main"]
#![feature(old_io, libc, std_misc)]
extern crate libc;
use std::old_io::{Process, Command, timer};
use std::time::Duration;
use std::str;
use std::sync::mpsc::channel;
use std::thread;
macro_rules! succeed { ($e:expr) => (
match $e { Ok(..) => {}, Err(e) => panic!("panic: {}", e) }
) }
fn test_destroy_once() {
let mut p = sleeper();
match p.signal_exit() {
Ok(()) => {}
Err(e) => panic!("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 shouldn't crash...
let _ = p.signal_exit(); // ...and nor should this (and nor should the destructor)
}
pub fn test_destroy_actually_kills(force: bool) {
use std::old_io::process::{Command, ProcessOutput, ExitStatus, ExitSignal};
use std::old_io::timer;
use libc;
use std::str;
#[cfg(all(unix,not(target_os="android")))]
static BLOCK_COMMAND: &'static str = "cat";
#[cfg(all(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));
thread::spawn(move|| {
select! {
_ = rx2.recv() => unsafe { libc::exit(1) },
_ = rx1.recv() => {}
}
});
match p.wait().unwrap() {
ExitStatus(..) => panic!("expected a signal"),
ExitSignal(..) => tx.send(()).unwrap(),
}
}
fn test_unforced_destroy_actually_kills() {
test_destroy_actually_kills(false);
}
fn test_forced_destroy_actually_kills() {
test_destroy_actually_kills(true);
}