// ignore-windows - this is a unix-specific test
// ignore-cloudabi no processes
// ignore-emscripten no processes
-
#![feature(process_exec, rustc_private)]
extern crate libc;
use std::io::Error;
use std::os::unix::process::CommandExt;
use std::process::Command;
-use std::sync::Arc;
use std::sync::atomic::{AtomicUsize, Ordering};
+use std::sync::Arc;
fn main() {
if let Some(arg) = env::args().nth(1) {
match &arg[..] {
"test1" => println!("hello2"),
"test2" => assert_eq!(env::var("FOO").unwrap(), "BAR"),
- "test3" => assert_eq!(env::current_dir().unwrap()
- .to_str().unwrap(), "/"),
+ "test3" => assert_eq!(env::current_dir().unwrap().to_str().unwrap(), "/"),
"empty" => {}
_ => panic!("unknown argument: {}", arg),
}
- return
+ return;
}
let me = env::current_exe().unwrap();
- let output = unsafe { Command::new(&me).arg("test1").pre_exec(|| {
- println!("hello");
- Ok(())
- }).output().unwrap() };
+ let output = unsafe {
+ Command::new(&me)
+ .arg("test1")
+ .pre_exec(|| {
+ println!("hello");
+ Ok(())
+ })
+ .output()
+ .unwrap()
+ };
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert_eq!(output.stdout, b"hello\nhello2\n");
- let output = unsafe { Command::new(&me).arg("test2").pre_exec(|| {
- env::set_var("FOO", "BAR");
- Ok(())
- }).output().unwrap() };
+ let output = unsafe {
+ Command::new(&me)
+ .arg("test2")
+ .pre_exec(|| {
+ env::set_var("FOO", "BAR");
+ Ok(())
+ })
+ .output()
+ .unwrap()
+ };
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert!(output.stdout.is_empty());
- let output = unsafe { Command::new(&me).arg("test3").pre_exec(|| {
- env::set_current_dir("/").unwrap();
- Ok(())
- }).output().unwrap() };
+ let output = unsafe {
+ Command::new(&me)
+ .arg("test3")
+ .pre_exec(|| {
+ env::set_current_dir("/").unwrap();
+ Ok(())
+ })
+ .output()
+ .unwrap()
+ };
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert!(output.stdout.is_empty());
- let output = unsafe { Command::new(&me).arg("bad").pre_exec(|| {
- Err(Error::from_raw_os_error(102))
- }).output().unwrap_err() };
+ let output = unsafe {
+ Command::new(&me)
+ .arg("bad")
+ .pre_exec(|| Err(Error::from_raw_os_error(102)))
+ .output()
+ .unwrap_err()
+ };
assert_eq!(output.raw_os_error(), Some(102));
let pid = unsafe { libc::getpid() };
assert!(pid >= 0);
- let output = unsafe { Command::new(&me).arg("empty").pre_exec(move || {
- let child = libc::getpid();
- assert!(child >= 0);
- assert!(pid != child);
- Ok(())
- }).output().unwrap() };
+ let output = unsafe {
+ Command::new(&me)
+ .arg("empty")
+ .pre_exec(move || {
+ let child = libc::getpid();
+ assert!(child >= 0);
+ assert!(pid != child);
+ Ok(())
+ })
+ .output()
+ .unwrap()
+ };
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert!(output.stdout.is_empty());
let mem = Arc::new(AtomicUsize::new(0));
let mem2 = mem.clone();
- let output = unsafe { Command::new(&me).arg("empty").pre_exec(move || {
- assert_eq!(mem2.fetch_add(1, Ordering::SeqCst), 0);
- Ok(())
- }).output().unwrap() };
+ let output = unsafe {
+ Command::new(&me)
+ .arg("empty")
+ .pre_exec(move || {
+ assert_eq!(mem2.fetch_add(1, Ordering::SeqCst), 0);
+ Ok(())
+ })
+ .output()
+ .unwrap()
+ };
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert!(output.stdout.is_empty());