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

   1 // { dg-require-namedlocale "en_US.ISO8859-1" }
   2
   3 // 2004-04-16  Petur Runolfsson  <peturr02@ru.is>
   4
   5 // Copyright (C) 2004-2019 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
  44   Buf fb;
  45   locale loc_us = locale(ISO_8859(1,en_US));
  46   fb.pubimbue(loc_us);
  47   fb.open("tmp_14975-1", ios_base::out);
  48
  49   try
  50     {
  51       fb.sputc('a');
  52       fb.sputc('b');
  53       fb.pubimbue(locale::classic());
  54       fb.sputc('c');
  55       fb.pubsync();
  56       fb.close();
  57     }
  58   catch (std::exception&)
  59     {
  60     }
  61 }
  62
  63 int main()
  64 {
  65   test01();
  66   return 0;
  67 }