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

   1 // { dg-require-namedlocale "se_NO.UTF-8" }
   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) 2003-2022 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 3, 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 COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // 27.8.1.4 Overridden virtual functions
  24
  25 #include <fstream>
  26 #include <locale>
  27 #include <testsuite_hooks.h>
  28
  29 void test01()
  30 {
  31   using namespace std;
  32
  33   locale loc (locale("se_NO.UTF-8"));
  34   wfilebuf fb_out, fb_in_out;
  35   fb_out.pubimbue(loc);
  36   fb_in_out.pubimbue(loc);
  37
  38   fb_out.open("tmp_underflow.tst", ios::out);
  39   fb_out.sputc(L'S');
  40   fb_out.sputc(L'T');
  41   fb_out.close();
  42
  43   fb_in_out.open("tmp_underflow.tst", ios::in | ios::out);
  44   while (fb_in_out.sbumpc() != wfilebuf::traits_type::eof());
  45
  46   VERIFY( fb_in_out.sputc(L'x') == L'x' );
  47   fb_in_out.close();
  48 }
  49
  50 int main()
  51 {
  52   test01();
  53   return 0;
  54 }