main/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/14975-1.cc

   1 // { dg-require-namedlocale "en_US" }
   2
   3 // 2004-04-16  Petur Runolfsson  <peturr02@ru.is>
   4
   5 // Copyright (C) 2004-2013 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 3, 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 COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 27.8.1.4 Overridden virtual functions
  23
  24 #include <fstream>
  25 #include <locale>
  26 #include <testsuite_hooks.h>
  27
  28 class Buf : public std::filebuf
  29 {
  30 protected:
  31   virtual int_type
  32   overflow(int_type c = traits_type::eof())
  33   {
  34     return traits_type::eq_int_type(c, traits_type::eof()) ?
  35       traits_type::eof() : std::filebuf::overflow(c);
  36   }
  37 };
  38
  39 // libstdc++/14975
  40 void test01()
  41 {
  42   using namespace std;
  43   bool test __attribute__((unused)) = true;
  44
  45   Buf fb;
  46   locale loc_us = locale("en_US");
  47   fb.pubimbue(loc_us);
  48   fb.open("tmp_14975-1", ios_base::out);
  49
  50   try
  51     {
  52       fb.sputc('a');
  53       fb.sputc('b');
  54       fb.pubimbue(locale::classic());
  55       fb.sputc('c');
  56       fb.pubsync();
  57       fb.close();
  58     }
  59   catch (std::exception&)
  60     {
  61     }
  62 }
  63
  64 int main()
  65 {
  66   test01();
  67   return 0;
  68 }