71 lines
2.6 KiB
Rust
71 lines
2.6 KiB
Rust
// Copyright 2014 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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use std::{char, os};
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use std::io::{File, Command};
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use std::rand::{task_rng, Rng};
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// creates unicode_input_multiple_files_{main,chars}.rs, where the
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// former imports the latter. `_chars` just contains an indentifier
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// made up of random characters, because will emit an error message
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// about the ident being in the wrong place, with a span (and creating
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// this span used to upset the compiler).
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fn random_char() -> char {
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let mut rng = task_rng();
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// a subset of the XID_start unicode table (ensuring that the
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// compiler doesn't fail with an "unrecognised token" error)
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let (lo, hi): (u32, u32) = match rng.gen_range(1u32, 4u32 + 1) {
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1 => (0x41, 0x5a),
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2 => (0xf8, 0x1ba),
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3 => (0x1401, 0x166c),
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_ => (0x10400, 0x1044f)
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};
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char::from_u32(rng.gen_range(lo, hi + 1)).unwrap()
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}
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fn main() {
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let args = os::args();
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let rustc = args.get(1).as_slice();
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let tmpdir = Path::new(args.get(2).as_slice());
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let main_file = tmpdir.join("unicode_input_multiple_files_main.rs");
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{
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let _ = File::create(&main_file).unwrap()
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.write_str("mod unicode_input_multiple_files_chars;");
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}
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for _ in range(0u, 100) {
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{
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let randoms = tmpdir.join("unicode_input_multiple_files_chars.rs");
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let mut w = File::create(&randoms).unwrap();
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for _ in range(0u, 30) {
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let _ = w.write_char(random_char());
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}
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}
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// rustc is passed to us with --out-dir and -L etc., so we
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// can't exec it directly
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let result = Command::new("sh")
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.arg("-c")
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.arg(format!("{} {}",
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rustc,
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main_file.as_str()
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.unwrap()).as_slice())
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.output().unwrap();
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let err = String::from_utf8_lossy(result.error.as_slice());
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// positive test so that this test will be updated when the
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// compiler changes.
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assert!(err.as_slice().contains("expected item but found"))
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}
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}
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