// Copyright (c) 2011, 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.

/// @assertion Space, tab and line terminators characters are allowed between
/// tokens.
/// @description Checks that different whitespace characters and line terminators
/// are allowed for additive expressions.
/// @author hlodvig


import '../../../Utils/expect.dart';

main() {
  int i = 0;
  i = i + 1;
  i	=	i	+	1;
  i
  =
  i
  +
  1;
  Expect.equals(3, i);
}
