gnu/dist/gcc4/libstdc++-v3/testsuite/testsuite_shared.cc

   1 // Copyright (C) 2004, 2005 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 2, or (at your option)
   7 // any later version.
   8 //
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 #include <string>
  20 #include <stdexcept>
  21 #include <iostream>
  22 #include <sstream>
  23 #include <ext/mt_allocator.h>
  24
  25 // libstdc++/22309
  26 extern "C" void
  27 try_allocation()
  28 {
  29   typedef char value_t;
  30
  31   typedef __gnu_cxx::__common_pool_policy<__gnu_cxx::__pool, true> policy_t;
  32   typedef __gnu_cxx::__mt_alloc<value_t, policy_t> allocator_t;
  33
  34   typedef std::char_traits<value_t> traits_t;
  35   typedef std::basic_string<value_t, traits_t, allocator_t> string_t;
  36
  37   string_t s;
  38   s += "west beach, indiana dunes";
  39 }
  40
  41 // libstdc++/23591
  42 extern "C" void
  43 try_throw_exception()
  44 {
  45   try
  46     {
  47       throw std::bad_exception();
  48     }
  49   catch (const std::exception& e)
  50     { }
  51 }
  52
  53 extern "C" void
  54 try_function_random_fail()
  55 {
  56   long seed = lrand48();
  57   if (seed < 2000)
  58     seed = 2000;
  59
  60   {
  61     std::ostringstream s;
  62     s << "random_throw, seed: " << seed << std::endl;
  63     std::cout << s.str();
  64   }
  65
  66   while (--seed > 0)
  67     {
  68       try_throw_exception();
  69     }
  70
  71   // Randomly throw. See if other threads cleanup.
  72   throw std::bad_exception();
  73 }