libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-3.cc

   1 // { dg-require-namedlocale "en_US.ISO8859-1" }
   2 // { dg-require-namedlocale "fr_FR.ISO8859-15" }
   3
   4 // 2004-01-11  Petur Runolfsson  <peturr02@ru.is>
   5
   6 // Copyright (C) 2004-2024 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // 27.8.1.4 Overridden virtual functions
  24
  25 #include <fstream>
  26 #include <locale>
  27 #include <testsuite_hooks.h>
  28
  29 // libstdc++/13582
  30 void test01()
  31 {
  32   using namespace std;
  33
  34   locale loc_en(locale(ISO_8859(1,en_US)));
  35   locale loc_fr(locale(ISO_8859(15,fr_FR)));
  36
  37   const char* name = "tmp_13582-3.tst";
  38
  39   {
  40     filebuf fbout;
  41     fbout.open(name, ios_base::out);
  42     fbout.sputn("AbCdE", 5);
  43     fbout.close();
  44   }
  45
  46   {
  47     wfilebuf fbin;
  48     fbin.open(name, ios_base::in);
  49     wfilebuf::int_type n = fbin.sbumpc();
  50     VERIFY( n == L'A' );
  51     fbin.pubimbue(loc_en);
  52     fbin.pubseekoff(0, ios_base::cur);
  53     n = fbin.sbumpc();
  54     VERIFY( n == L'b' );
  55     fbin.pubimbue(loc_fr);
  56     n = fbin.sbumpc();
  57     VERIFY( n == L'C' );
  58     n = fbin.sbumpc();
  59     VERIFY( n == L'd' );
  60     fbin.pubseekoff(0, ios_base::cur);
  61     n = fbin.sbumpc();
  62     VERIFY( n == L'E' );
  63     n = fbin.sbumpc();
  64     VERIFY( n == wfilebuf::traits_type::eof() );
  65     fbin.close();
  66   }
  67 }
  68
  69 int main()
  70 {
  71   test01();
  72   return 0;
  73 }