libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc

   1 // 2004-01-11  Petur Runolfsson  <peturr02@ru.is>
   2
   3 // Copyright (C) 2004, 2005 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 // 27.8.1.4 Overridden virtual functions
  22
  23 #include <fstream>
  24 #include <locale>
  25
  26 #include <unistd.h>
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29
  30 #include <testsuite_hooks.h>
  31
  32 // libstdc++/13582
  33 void test01()
  34 {
  35   bool test __attribute__((unused)) = true;
  36   using namespace std;
  37   using namespace __gnu_test;
  38
  39   locale loc_en(__gnu_test::try_named_locale("en_US"));
  40   locale loc_fr(__gnu_test::try_named_locale("fr_FR"));
  41
  42   const char* name = "tmp_fifo_13582-2";
  43   unlink(name);
  44   try_mkfifo(name, S_IRWXU);
  45
  46   int child = fork();
  47   if (child == 0)
  48     {
  49       filebuf fbout;
  50       fbout.open(name, ios_base::out);
  51       fbout.sputn("12345", 5);
  52       fbout.pubsync();
  53       fbout.close();
  54       exit(0);
  55     }
  56
  57   filebuf fbin;
  58   fbin.open(name, ios_base::in);
  59   filebuf::int_type n = fbin.sbumpc();
  60   VERIFY( n == '1' );
  61   fbin.pubimbue(loc_en);
  62   n = fbin.sbumpc();
  63   VERIFY( n == '2' );
  64   fbin.pubimbue(loc_fr);
  65   n = fbin.sbumpc();
  66   VERIFY( n == '3' );
  67   n = fbin.sbumpc();
  68   VERIFY( n == '4' );
  69   n = fbin.sbumpc();
  70   VERIFY( n == '5' );
  71   n = fbin.sbumpc();
  72   VERIFY( n == filebuf::traits_type::eof() );
  73 }
  74
  75 int main()
  76 {
  77   test01();
  78   return 0;
  79 }