libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/wchar_t/13007-2.cc

// { dg-require-namedlocale "en_US.ISO8859-1" }

// Copyright (C) 2003-2023 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 3, 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 COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

// 27.5.2.4.1 Locales

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

class Buf2 : public std::wstreambuf
{
public:
  std::locale before;
  std::locale after;

protected:
  void imbue(const std::locale& loc)
  {
    before = getloc();

    std::wstreambuf::imbue(loc);

    after = getloc();
  }
};

// libstdc++/13007
void test02()
{
  Buf2 buf;
  std::locale loc(std::locale(ISO_8859(1,en_US)));

  buf.pubimbue(loc);

  VERIFY( buf.getloc() == loc );
  VERIFY( buf.before == std::locale::classic() );
  VERIFY( buf.after == std::locale::classic() );
}

int main()
{
  test02();
  return 0;
}