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

   1 // { dg-require-namedlocale "" }
   2 // { dg-require-fork "" }
   3 // { dg-require-mkfifo "" }
   4
   5 // 2004-01-11  Petur Runolfsson  <peturr02@ru.is>
   6
   7 // Copyright (C) 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 // 27.8.1.4 Overridden virtual functions
  25
  26 #include <fstream>
  27 #include <locale>
  28 #include <cstdlib>
  29
  30 #include <unistd.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33
  34 #include <testsuite_hooks.h>
  35
  36 // libstdc++/13582
  37 void test01()
  38 {
  39   bool test __attribute__((unused)) = true;
  40   using namespace std;
  41   using namespace __gnu_test;
  42
  43   locale loc_en(locale("en_US"));
  44   locale loc_fr(locale("fr_FR"));
  45
  46   const char* name = "tmp_fifo_13582-2";
  47   unlink(name);
  48   mkfifo(name, S_IRWXU);
  49
  50   int child = fork();
  51   if (child == 0)
  52     {
  53       filebuf fbout;
  54       fbout.open(name, ios_base::out);
  55       fbout.sputn("12345", 5);
  56       fbout.pubsync();
  57       sleep(2);
  58       fbout.close();
  59       exit(0);
  60     }
  61
  62   wfilebuf fbin;
  63   fbin.open(name, ios_base::in);
  64   sleep(1);
  65   wfilebuf::int_type n = fbin.sbumpc();
  66   VERIFY( n == L'1' );
  67   fbin.pubimbue(loc_en);
  68   n = fbin.sbumpc();
  69   VERIFY( n == L'2' );
  70   fbin.pubimbue(loc_fr);
  71   n = fbin.sbumpc();
  72   VERIFY( n == L'3' );
  73   n = fbin.sbumpc();
  74   VERIFY( n == L'4' );
  75   n = fbin.sbumpc();
  76   VERIFY( n == L'5' );
  77   n = fbin.sbumpc();
  78   VERIFY( n == wfilebuf::traits_type::eof() );
  79 }
  80
  81 int main()
  82 {
  83   test01();
  84   return 0;
  85 }