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

   1 // 2003-05-03  Petur Runolfsson <peturr02@ru.is>
   2
   3 // Copyright (C) 2003 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 #include <testsuite_hooks.h>
  22 #include <fstream>
  23 #include <cstdio>
  24
  25 // libstdc++/9520
  26 void test01()
  27 {
  28   using namespace std;
  29
  30   bool test __attribute__((unused)) = true;
  31   const char* name = "tmp_9520";
  32
  33   FILE* file = fopen(name, "w");
  34   for (int i = 1; i < 256; ++i)
  35     putc(static_cast<unsigned char>(i), file);
  36   fclose(file);
  37
  38   locale loc (__gnu_test::try_named_locale("de_DE.ISO-8859-15@euro"));
  39   wchar_t buf[1];
  40   wfilebuf fb;
  41   fb.pubimbue(loc);
  42   fb.pubsetbuf(buf, 1);
  43   fb.open(name, ios_base::in);
  44
  45   for (int j = 1; j < 256; ++j)
  46     {
  47       wfilebuf::int_type c1 = fb.sgetc();
  48       VERIFY( c1 != wfilebuf::traits_type::eof() );
  49       wfilebuf::int_type c2 = fb.sbumpc();
  50       VERIFY( c1 == c2 );
  51     }
  52
  53   fb.close();
  54 }
  55
  56 int main()
  57 {
  58   test01();
  59   return 0;
  60 }