1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/threads-sendsync/task-stderr.rs b/src/test/ui/run-pass/threads-sendsync/task-stderr.rs
new file mode 100644
index 00000000000..13d5cc989e9
--- /dev/null
+++ b/src/test/ui/run-pass/threads-sendsync/task-stderr.rs
@@ -0,0 +1,41 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// ignore-emscripten no threads support
+
+#![feature(box_syntax, set_stdio)]
+
+use std::io::prelude::*;
+use std::io;
+use std::str;
+use std::sync::{Arc, Mutex};
+use std::thread;
+
+struct Sink(Arc<Mutex<Vec<u8>>>);
+impl Write for Sink {
+    fn write(&mut self, data: &[u8]) -> io::Result<usize> {
+        Write::write(&mut *self.0.lock().unwrap(), data)
+    }
+    fn flush(&mut self) -> io::Result<()> { Ok(()) }
+}
+
+fn main() {
+    let data = Arc::new(Mutex::new(Vec::new()));
+    let sink = Sink(data.clone());
+    let res = thread::Builder::new().spawn(move|| -> () {
+        io::set_panic(Some(Box::new(sink)));
+        panic!("Hello, world!")
+    }).unwrap().join();
+    assert!(res.is_err());
+
+    let output = data.lock().unwrap();
+    let output = str::from_utf8(&output).unwrap();
+    assert!(output.contains("Hello, world!"));
+}