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/foo
12 // ignore-emscripten no threads support
14 #![allow(unknown_features)]
15 #![feature(box_syntax, std_misc, rustc_private)]
20 use std
::sync
::mpsc
::{channel, Sender, Receiver}
;
23 pub struct ChannelLogger
{
28 pub fn new() -> (Box
<ChannelLogger
>, Receiver
<String
>) {
29 let (tx
, rx
) = channel();
30 (box ChannelLogger { tx: tx }
, rx
)
34 impl log
::Logger
for ChannelLogger
{
35 fn log(&mut self, record
: &log
::LogRecord
) {
36 self.tx
.send(format
!("{}", record
.args
)).unwrap();
41 let (logger
, rx
) = ChannelLogger
::new();
43 let t
= thread
::spawn(move|| {
44 log
::set_logger(logger
);
52 assert_eq
!(rx
.recv().unwrap(), "foo");
53 assert_eq
!(rx
.recv().unwrap(), "foo bar");
54 assert_eq
!(rx
.recv().unwrap(), "bar foo");
55 assert
!(rx
.recv().is_err());