31 lines
1020 B
Rust
31 lines
1020 B
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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#![allow(unknown_features)]
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#![feature(box_syntax)]
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use std::sync::mpsc::channel;
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use std::old_io::{ChanReader, ChanWriter};
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use std::thread;
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fn main() {
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let (tx, rx) = channel();
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let mut reader = ChanReader::new(rx);
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let stderr = ChanWriter::new(tx);
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let res = thread::Builder::new().stderr(box stderr as Box<Writer + Send>).scoped(move|| -> () {
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panic!("Hello, world!")
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}).join();
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assert!(res.is_err());
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let output = reader.read_to_string().unwrap();
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assert!(output.as_slice().contains("Hello, world!"));
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}
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