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// 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.
use std::{char, env};
use std::old_io::{File, Command};
use std::rand::{thread_rng, Rng};
// creates unicode_input_multiple_files_{main,chars}.rs, where the
// former imports the latter. `_chars` just contains an identifier
// made up of random characters, because will emit an error message
// about the ident being in the wrong place, with a span (and creating
// this span used to upset the compiler).
fn random_char() -> char {
let mut rng = thread_rng();
// a subset of the XID_start Unicode table (ensuring that the
// compiler doesn't fail with an "unrecognised token" error)
let (lo, hi): (u32, u32) = match rng.gen_range(1u32, 4u32 + 1) {
1 => (0x41, 0x5a),
2 => (0xf8, 0x1ba),
3 => (0x1401, 0x166c),
_ => (0x10400, 0x1044f)
};
char::from_u32(rng.gen_range(lo, hi + 1)).unwrap()
}
fn main() {
let args: Vec<String> = env::args().collect();
let rustc = &args[1];
let tmpdir = Path::new(&args[2]);
let main_file = tmpdir.join("unicode_input_multiple_files_main.rs");
{
let _ = File::create(&main_file).unwrap()
.write_str("mod unicode_input_multiple_files_chars;");
}
for _ in 0u..100 {
{
let randoms = tmpdir.join("unicode_input_multiple_files_chars.rs");
let mut w = File::create(&randoms).unwrap();
for _ in 0u..30 {
let _ = w.write_char(random_char());
}
}
// rustc is passed to us with --out-dir and -L etc., so we
// can't exec it directly
let result = Command::new("sh")
.arg("-c")
.arg(&format!("{} {}",
rustc,
main_file.as_str()
.unwrap()))
.output().unwrap();
let err = String::from_utf8_lossy(&result.error);
// positive test so that this test will be updated when the
// compiler changes.
assert!(err.contains("expected item, found"))
}
}
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