55 lines
1.8 KiB
Rust
55 lines
1.8 KiB
Rust
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use std::{char, os, run, str};
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use std::rand::{task_rng, Rng};
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use std::io::File;
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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(1, 4 + 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[1].as_slice();
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let tmpdir = Path::new(args[2].as_slice());
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let main_file = tmpdir.join("unicode_input_multiple_files_main.rs");
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let main_file_str = main_file.as_str().unwrap();
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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(0, 100) {
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{
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let mut w = File::create(&tmpdir.join("unicode_input_multiple_files_chars.rs")).unwrap();
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for _ in range(0, 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 = run::process_output("sh", [~"-c", rustc + " " + main_file_str]).unwrap();
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let err = str::from_utf8_lossy(result.error);
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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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