libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/9520.cc

   1 // { dg-require-namedlocale "" }
   2
   3 // 2003-05-03  Petur Runolfsson <peturr02@ru.is>
   4
   5 // Copyright (C) 2003, 2005 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 2, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING.  If not, write to the Free
  20 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21 // USA.
  22
  23 #include <testsuite_hooks.h>
  24 #include <fstream>
  25 #include <cstdio>
  26
  27 // libstdc++/9520
  28 void test01()
  29 {
  30   using namespace std;
  31
  32   bool test __attribute__((unused)) = true;
  33   const char* name = "tmp_9520";
  34
  35   FILE* file = fopen(name, "w");
  36   for (int i = 1; i < 256; ++i)
  37     putc(static_cast<unsigned char>(i), file);
  38   fclose(file);
  39
  40   locale loc (locale("de_DE.ISO-8859-15@euro"));
  41   wchar_t buf[1];
  42   wfilebuf fb;
  43   fb.pubimbue(loc);
  44   fb.pubsetbuf(buf, 1);
  45   fb.open(name, ios_base::in);
  46
  47   for (int j = 1; j < 256; ++j)
  48     {
  49       wfilebuf::int_type c1 = fb.sgetc();
  50       VERIFY( c1 != wfilebuf::traits_type::eof() );
  51       wfilebuf::int_type c2 = fb.sbumpc();
  52       VERIFY( c1 == c2 );
  53     }
  54
  55   fb.close();
  56 }
  57
  58 int main()
  59 {
  60   test01();
  61   return 0;
  62 }