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
17 pub struct ChannelLogger {
22 pub fn new() -> (Box<ChannelLogger>, Receiver<String>) {
23 let (tx, rx) = channel();
24 (box ChannelLogger { tx: tx }, rx)
28 impl log::Logger for ChannelLogger {
29 fn log(&mut self, record: &log::LogRecord) {
30 self.tx.send(format!("{}", record.args));
35 let (logger, rx) = ChannelLogger::new();
38 log::set_logger(logger);
41 // ensure it is a regex, and isn't anchored
49 assert_eq!(rx.recv().as_slice(), "foo");
50 assert_eq!(rx.recv().as_slice(), "foo bar");
51 assert_eq!(rx.recv().as_slice(), "bar foo");
52 assert_eq!(rx.recv().as_slice(), "f1o");
53 assert!(rx.recv_opt().is_err());