gomp-20050608-branch/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/14975-1.cc

   1 // { dg-require-namedlocale "" }
   2
   3 // 2004-04-16  Petur Runolfsson  <peturr02@ru.is>
   4
   5 // Copyright (C) 2004, 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 // 27.8.1.4 Overridden virtual functions
  24
  25 #include <fstream>
  26 #include <locale>
  27 #include <testsuite_hooks.h>
  28
  29 class Buf : public std::filebuf
  30 {
  31 protected:
  32   virtual int_type
  33   overflow(int_type c = traits_type::eof())
  34   {
  35     return traits_type::eq_int_type(c, traits_type::eof()) ?
  36       traits_type::eof() : std::filebuf::overflow(c);
  37   }
  38 };
  39
  40 // libstdc++/14975
  41 void test01()
  42 {
  43   using namespace std;
  44   bool test __attribute__((unused)) = true;
  45
  46   Buf fb;
  47   locale loc_us = locale("en_US");
  48   fb.pubimbue(loc_us);
  49   fb.open("tmp_14975-1", ios_base::out);
  50
  51   try
  52     {
  53       fb.sputc('a');
  54       fb.sputc('b');
  55       fb.pubimbue(locale::classic());
  56       fb.sputc('c');
  57       fb.pubsync();
  58       fb.close();
  59     }
  60   catch (std::exception&)
  61     {
  62     }
  63 }
  64
  65 int main()
  66 {
  67   test01();
  68   return 0;
  69 }