gomp-20050608-branch/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc

   1 // { dg-require-namedlocale "" }
   2 // { dg-require-fork "" }
   3 // { dg-require-mkfifo "" }
   4
   5 // Copyright (C) 2003, 2005 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 2, 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 COPYING.  If not, write to the Free
  20 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21 // USA.
  22
  23 // 27.8.1.4 Overridden virtual functions
  24
  25 #include <fstream>
  26 #include <locale>
  27
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30
  31 #include <testsuite_hooks.h>
  32
  33 // libstdc++/13171
  34 void test01()
  35 {
  36   bool test __attribute__((unused)) = true;
  37   using namespace std;
  38   using namespace __gnu_test;
  39
  40   locale loc_fr(locale("fr_FR"));
  41   locale loc_en(locale("en_US"));
  42
  43   const char* name = "tmp_fifo_13171-2";
  44   unlink(name);
  45   mkfifo(name, S_IRWXU);
  46   semaphore s1, s2;
  47
  48   int child = fork();
  49   if (child == 0)
  50     {
  51       filebuf fb;
  52       fb.open(name, ios_base::out);
  53       fb.sputc('S');
  54       fb.pubsync();
  55       s1.signal ();
  56       s2.wait ();
  57       fb.close();
  58       exit(0);
  59     }
  60
  61   filebuf fb;
  62   fb.pubimbue(loc_fr);
  63   fb.open(name, ios_base::in);
  64   s1.wait ();
  65   VERIFY( fb.is_open() );
  66   fb.pubimbue(loc_en);
  67   filebuf::int_type c = fb.sgetc();
  68   fb.close();
  69   VERIFY( c == 'S' );
  70   s2.signal ();
  71 }
  72
  73 int main()
  74 {
  75   test01();
  76   return 0;
  77 }