// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // no-prefer-dynamic // The test copies itself into a subdirectory with a non-ASCII name and then // runs it as a child process within the subdirectory. The parent process // also adds an environment variable and an argument, both containing // non-ASCII characters. The child process ensures all the strings are // intact. // ignore-aarch64 use std::io::prelude::*; use std::io; use std::fs; use std::process::Command; use std::env; use std::path::Path; fn main() { let my_args = env::args().collect::>(); let my_cwd = env::current_dir().unwrap(); let my_env = env::vars().collect::>(); let my_path = env::current_exe().unwrap(); let my_dir = my_path.parent().unwrap(); let my_ext = my_path.extension().and_then(|s| s.to_str()).unwrap_or(""); // some non-ASCII characters let blah = "\u{3c0}\u{42f}\u{97f3}\u{e6}\u{221e}"; let child_name = "child"; let child_dir = format!("process-spawn-with-unicode-params-{}", blah); // parameters sent to child / expected to be received from parent let arg = blah; let cwd = my_dir.join(&child_dir); let env = ("RUST_TEST_PROC_SPAWN_UNICODE".to_string(), blah.to_string()); // am I the parent or the child? if my_args.len() == 1 { // parent let child_filestem = Path::new(child_name); let child_filename = child_filestem.with_extension(my_ext); let child_path = cwd.join(&child_filename); // make a separate directory for the child let _ = fs::create_dir(&cwd); fs::copy(&my_path, &child_path).unwrap(); // run child let p = Command::new(&child_path) .arg(arg) .current_dir(&cwd) .env(&env.0, &env.1) .spawn().unwrap().wait_with_output().unwrap(); // display the output io::stdout().write_all(&p.stdout).unwrap(); io::stderr().write_all(&p.stderr).unwrap(); // make sure the child succeeded assert!(p.status.success()); } else { // child // check working directory (don't try to compare with `cwd` here!) assert!(my_cwd.ends_with(&child_dir)); // check arguments assert_eq!(&*my_args[1], arg); // check environment variable assert!(my_env.contains(&env)); }; }