libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc

   1 // 2004-04-16  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 #include <fstream>
  22 #include <locale>
  23 #include <unistd.h>
  24 #include <signal.h>
  25 #include <fcntl.h>
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <testsuite_hooks.h>
  29
  30 // libstdc++/14975
  31 void test01()
  32 {
  33   using namespace std;
  34   using namespace __gnu_test;
  35   bool test __attribute__((unused)) = true;
  36
  37   locale loc_us = try_named_locale("en_US");
  38
  39   const char* name = "tmp_14975-2";
  40
  41   signal(SIGPIPE, SIG_IGN);
  42
  43   unlink(name);
  44   try_mkfifo(name, S_IRWXU);
  45   semaphore s1;
  46
  47   int child = fork();
  48   VERIFY( child != -1 );
  49
  50   if (child == 0)
  51     {
  52       {
  53         filebuf fbin;
  54         fbin.open(name, ios_base::in);
  55       }
  56       s1.signal ();
  57       exit(0);
  58     }
  59
  60   wfilebuf fb;
  61   fb.pubimbue(loc_us);
  62   wfilebuf* ret = fb.open(name, ios_base::out);
  63   VERIFY( ret != NULL );
  64   VERIFY( fb.is_open() );
  65
  66   s1.wait ();
  67
  68   try
  69     {
  70       fb.sputc(L'a');
  71       fb.sputc(L'b');
  72       fb.pubimbue(locale::classic());
  73       fb.sputc(L'c');
  74       fb.close();
  75     }
  76   catch (std::exception&)
  77     {
  78     }
  79 }
  80
  81 int main()
  82 {
  83   test01();
  84   return 0;
  85 }