src/test/run-pass/logging-separate-lines.rs

   1 // Copyright 2013-2014 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.
   4 //
   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.
  10
  11 // ignore-windows
  12 // exec-env:RUST_LOG=debug
  13 // compile-flags:-C debug-assertions=y
  14
  15 #![feature(rustc_private)]
  16
  17 #[macro_use]
  18 extern crate log;
  19
  20 use std::process::Command;
  21 use std::env;
  22 use std::str;
  23
  24 fn main() {
  25     let args: Vec<String> = env::args().collect();
  26     if args.len() > 1 && args[1] == "child" {
  27         debug!("foo");
  28         debug!("bar");
  29         return
  30     }
  31
  32     let p = Command::new(&args[0])
  33                     .arg("child")
  34                     .output().unwrap();
  35     assert!(p.status.success());
  36     let mut lines = str::from_utf8(&p.stderr).unwrap().lines();
  37     assert!(lines.next().unwrap().contains("foo"));
  38     assert!(lines.next().unwrap().contains("bar"));
  39 }