| // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file | 
 | // for details. All rights reserved. Use of this source code is governed by a | 
 | // BSD-style license that can be found in the LICENSE file. | 
 |  | 
 | // Regression test for http://dartbug.com/23404 | 
 | // | 
 | // Dart2js crashed when the global metadata had escaped characters. That | 
 | // happens, for example, when tearing off a function that uses a default | 
 | // argument containing escape characters. | 
 | import 'package:expect/expect.dart'; | 
 |  | 
 | foo([a = '\u00a0']) => a; | 
 | bar() => ''; | 
 |  | 
 | @pragma('dart2js:noInline') | 
 | @pragma('dart2js:assumeDynamic') | 
 | confuse(x) => x; | 
 |  | 
 | main() { | 
 |   Expect.equals('\u00a0', confuse(foo)()); | 
 |   Expect.equals('', confuse(bar)()); | 
 | } |