libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/4.cc

   1 // { dg-require-namedlocale "" }
   2
   3 // 2003-09-04  Petur Runolfsson  <peturr02@ru.is>
   4 // Adapted from 27_io/basic_filebuf/underflow/char/2.cc
   5
   6 // Copyright (C) 2003, 2005 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 2, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING.  If not, write to the Free
  21 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  22 // USA.
  23
  24 // 27.8.1.4 Overridden virtual functions
  25
  26 #include <fstream>
  27 #include <locale>
  28 #include <testsuite_hooks.h>
  29
  30 void test01()
  31 {
  32   bool test __attribute__((unused)) = true;
  33   using namespace std;
  34
  35   locale loc (locale("se_NO.UTF-8"));
  36   wfilebuf fb_out, fb_in_out;
  37   fb_out.pubimbue(loc);
  38   fb_in_out.pubimbue(loc);
  39
  40   fb_out.open("tmp_underflow.tst", ios::out);
  41   fb_out.sputc(L'S');
  42   fb_out.sputc(L'T');
  43   fb_out.close();
  44
  45   fb_in_out.open("tmp_underflow.tst", ios::in | ios::out);
  46   while (fb_in_out.sbumpc() != wfilebuf::traits_type::eof());
  47
  48   VERIFY( fb_in_out.sputc(L'x') == L'x' );
  49   fb_in_out.close();
  50 }
  51
  52 int main()
  53 {
  54   test01();
  55   return 0;
  56 }