3f880912e9
It looks like many of these tests are already disabled on emscripten, which also doesn't seem to support environment variables and subprocess spawning. Just add a similar tag for CloudABI. While there, sort some of the lists of operating systems alphabetically.
93 lines
3.0 KiB
Rust
93 lines
3.0 KiB
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-windows - this is a unix-specific test
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// ignore-cloudabi no processes
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// ignore-emscripten no processes
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#![feature(process_exec, libc)]
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extern crate libc;
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use std::env;
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use std::io::Error;
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use std::os::unix::process::CommandExt;
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use std::process::Command;
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use std::sync::Arc;
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use std::sync::atomic::{AtomicUsize, Ordering};
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fn main() {
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if let Some(arg) = env::args().skip(1).next() {
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match &arg[..] {
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"test1" => println!("hello2"),
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"test2" => assert_eq!(env::var("FOO").unwrap(), "BAR"),
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"test3" => assert_eq!(env::current_dir().unwrap()
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.to_str().unwrap(), "/"),
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"empty" => {}
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_ => panic!("unknown argument: {}", arg),
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}
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return
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}
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let me = env::current_exe().unwrap();
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let output = Command::new(&me).arg("test1").before_exec(|| {
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println!("hello");
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Ok(())
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}).output().unwrap();
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assert!(output.status.success());
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assert!(output.stderr.is_empty());
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assert_eq!(output.stdout, b"hello\nhello2\n");
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let output = Command::new(&me).arg("test2").before_exec(|| {
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env::set_var("FOO", "BAR");
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Ok(())
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}).output().unwrap();
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assert!(output.status.success());
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assert!(output.stderr.is_empty());
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assert!(output.stdout.is_empty());
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let output = Command::new(&me).arg("test3").before_exec(|| {
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env::set_current_dir("/").unwrap();
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Ok(())
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}).output().unwrap();
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assert!(output.status.success());
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assert!(output.stderr.is_empty());
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assert!(output.stdout.is_empty());
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let output = Command::new(&me).arg("bad").before_exec(|| {
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Err(Error::from_raw_os_error(102))
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}).output().unwrap_err();
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assert_eq!(output.raw_os_error(), Some(102));
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let pid = unsafe { libc::getpid() };
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assert!(pid >= 0);
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let output = Command::new(&me).arg("empty").before_exec(move || {
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let child = unsafe { libc::getpid() };
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assert!(child >= 0);
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assert!(pid != child);
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Ok(())
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}).output().unwrap();
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assert!(output.status.success());
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assert!(output.stderr.is_empty());
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assert!(output.stdout.is_empty());
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let mem = Arc::new(AtomicUsize::new(0));
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let mem2 = mem.clone();
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let output = Command::new(&me).arg("empty").before_exec(move || {
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assert_eq!(mem2.fetch_add(1, Ordering::SeqCst), 0);
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Ok(())
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}).output().unwrap();
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assert!(output.status.success());
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assert!(output.stderr.is_empty());
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assert!(output.stdout.is_empty());
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assert_eq!(mem.load(Ordering::SeqCst), 0);
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}
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