rust/src/test/run-pass-fulldeps/issue-15149.rs

74 lines
2.6 KiB
Rust

// Copyright 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.
// no-prefer-dynamic
// ignore-cross-compile
#![feature(rustc_private)]
extern crate rustc_back;
use std::env;
use std::fs;
use std::process;
use std::str;
use rustc_back::tempdir::TempDir;
fn main() {
// If we're the child, make sure we were invoked correctly
let args: Vec<String> = env::args().collect();
if args.len() > 1 && args[1] == "child" {
// FIXME: This should check the whole `args[0]` instead of just
// checking that it ends_with the executable name. This
// is needed because of Windows, which has a different behavior.
// See #15149 for more info.
return assert!(args[0].ends_with(&format!("mytest{}",
env::consts::EXE_SUFFIX)));
}
test();
}
fn test() {
// If we're the parent, copy our own binary to a new directory.
let my_path = env::current_exe().unwrap();
let my_dir = my_path.parent().unwrap();
let child_dir = TempDir::new_in(&my_dir, "issue-15140-child").unwrap();
let child_dir = child_dir.path();
let child_path = child_dir.join(&format!("mytest{}",
env::consts::EXE_SUFFIX));
fs::copy(&my_path, &child_path).unwrap();
// Append the new directory to our own PATH.
let path = {
let mut paths: Vec<_> = env::split_paths(&env::var_os("PATH").unwrap()).collect();
paths.push(child_dir.to_path_buf());
env::join_paths(paths).unwrap()
};
let child_output = process::Command::new("mytest").env("PATH", &path)
.arg("child")
.output().unwrap();
assert!(child_output.status.success(),
format!("child assertion failed\n child stdout:\n {}\n child stderr:\n {}",
str::from_utf8(&child_output.stdout).unwrap(),
str::from_utf8(&child_output.stderr).unwrap()));
let res = fs::remove_dir_all(&child_dir);
if res.is_err() {
// On Windows deleting just executed mytest.exe can fail because it's still locked
std::thread::sleep_ms(1000);
fs::remove_dir_all(&child_dir).unwrap();
}
}