1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // exec-env:RUST_LOG=rust-log-filter/f.o
16 use std::sync::mpsc::{channel, Sender, Receiver};
17 use std::thread::Thread;
19 pub struct ChannelLogger {
24 pub fn new() -> (Box<ChannelLogger>, Receiver<String>) {
25 let (tx, rx) = channel();
26 (box ChannelLogger { tx: tx }, rx)
30 impl log::Logger for ChannelLogger {
31 fn log(&mut self, record: &log::LogRecord) {
32 self.tx.send(format!("{}", record.args)).unwrap();
37 let (logger, rx) = ChannelLogger::new();
39 let _t = Thread::spawn(move|| {
40 log::set_logger(logger);
43 // ensure it is a regex, and isn't anchored
51 assert_eq!(rx.recv().unwrap().as_slice(), "foo");
52 assert_eq!(rx.recv().unwrap().as_slice(), "foo bar");
53 assert_eq!(rx.recv().unwrap().as_slice(), "bar foo");
54 assert_eq!(rx.recv().unwrap().as_slice(), "f1o");
55 assert!(rx.recv().is_err());