libstdc++-v3/testsuite/util/testsuite_shared.cc

   1 // Copyright (C) 2004, 2005, 2006, 2007, 2009 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 3, 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 COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 #include <string>
  19 #include <stdexcept>
  20 #include <iostream>
  21 #include <sstream>
  22 #include <ext/mt_allocator.h>
  23 #include <bits/functexcept.h>
  24
  25 // libstdc++/22309
  26 extern "C" void
  27 try_allocation()
  28 {
  29   typedef char value_t;
  30
  31   typedef __gnu_cxx::__mt_alloc<value_t> allocator_t;
  32
  33   typedef std::char_traits<value_t> traits_t;
  34   typedef std::basic_string<value_t, traits_t, allocator_t> string_t;
  35
  36   string_t s;
  37   s += "west beach, indiana dunes";
  38 }
  39
  40 // libstdc++/23591
  41 extern "C" void
  42 try_throw_exception()
  43 {
  44   try
  45     {
  46       std::__throw_bad_exception();
  47     }
  48   catch (const std::exception& e)
  49     { }
  50 }
  51
  52 extern "C" void
  53 try_function_random_fail()
  54 {
  55   long seed = lrand48();
  56   if (seed < 2000)
  57     seed = 2000;
  58
  59   {
  60     std::ostringstream s;
  61     s << "random_throw, seed: " << seed << std::endl;
  62     std::cout << s.str();
  63   }
  64
  65   while (--seed > 0)
  66     {
  67       try_throw_exception();
  68     }
  69
  70   // Randomly throw. See if other threads cleanup.
  71   std::__throw_bad_exception();
  72 }