9322.cc

linux下编程用 编译软件

// { dg-require-namedlocale "" }

// 1999-10-11 bkoz

// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2005 
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

// 27.5.2 template class basic_streambuf

#include <streambuf>
#include <locale>
#include <testsuite_hooks.h>

class testbuf : public std::streambuf
{
public:
  typedef std::streambuf::traits_type traits_type;

  testbuf() : std::streambuf() { }
};

// libstdc++/9322
void test08()
{
  using std::locale;
  bool test __attribute__((unused)) = true;

  locale loc;
  testbuf ob;
  VERIFY( ob.getloc() == loc );

  locale::global(locale("en_US"));
  VERIFY( ob.getloc() == loc );

  locale loc_de = locale("de_DE");
  locale ret = ob.pubimbue(loc_de);
  VERIFY( ob.getloc() == loc_de );
  VERIFY( ret == loc );

  locale::global(loc);
  VERIFY( ob.getloc() == loc_de );
}

int main() 
{
  test08();
  return 0;
}