13582-3.cc

来自「linux下编程用 编译软件」· CC 代码 · 共 75 行

// { dg-require-namedlocale "" }

// 2004-01-11  Petur Runolfsson  <[e-mail]>

// Copyright (C) 2004, 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.

// 27.8.1.4 Overridden virtual functions

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

// libstdc++/13582
void test01()
{
  bool test __attribute__((unused)) = true;
  using namespace std;

  locale loc_en(locale("en_US"));
  locale loc_fr(locale("fr_FR"));

  const char* name = "tmp_13582-3.tst";

  {
    filebuf fbout;
    fbout.open(name, ios_base::out);
    fbout.sputn("AbCdE", 5);
    fbout.close();
  }

  {
    wfilebuf fbin;
    fbin.open(name, ios_base::in);
    wfilebuf::int_type n = fbin.sbumpc();
    VERIFY( n == L'A' );
    fbin.pubimbue(loc_en);
    fbin.pubseekoff(0, ios_base::cur);
    n = fbin.sbumpc();
    VERIFY( n == L'b' );
    fbin.pubimbue(loc_fr);
    n = fbin.sbumpc();
    VERIFY( n == L'C' );
    n = fbin.sbumpc();
    VERIFY( n == L'd' );
    fbin.pubseekoff(0, ios_base::cur);
    n = fbin.sbumpc();
    VERIFY( n == L'E' );
    n = fbin.sbumpc();
    VERIFY( n == wfilebuf::traits_type::eof() );
    fbin.close();
  }
}

int main()
{
  test01();
  return 0;
}