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

// Copyright (C) 2004-2026 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

#include <string>
#include <stdexcept>
#include <iostream>
#include <sstream>
#include <set>
#include <map>
#include <ext/mt_allocator.h>
#include <bits/functexcept.h>
#if __cpp_rtti
# include <typeinfo>
#endif

namespace __gnu_test
{
// libstdc++/22309
extern "C" void
try_allocation()
{
  typedef char value_t;

  typedef __gnu_cxx::__mt_alloc<value_t> allocator_t;

  typedef std::char_traits<value_t> traits_t;
  typedef std::basic_string<value_t, traits_t, allocator_t> string_t;

  string_t s;
  s += "west beach, indiana dunes";
}

// libstdc++/23591
extern "C" void
try_throw_exception()
{
#if __cpp_exceptions
  try
    {
      std::__throw_bad_exception();
    }
  catch (const std::exception& e)
    { }
#endif
}

extern "C" void
try_function_random_fail()
{
  long seed = lrand48();
  if (seed < 2000)
    seed = 2000;

  {
    std::ostringstream s;
    s << "random_throw, seed: " << seed << std::endl;
    std::cout << s.str();
  }

  while (--seed > 0)
    {
      try_throw_exception();
    }

  // Randomly throw. See if other threads cleanup.
  std::__throw_bad_exception();
}

#if __cplusplus >= 201103L
# error "must be compiled with C++98"
#else
  void
  erase_external(std::set<int>& s)
  { s.erase(s.begin()); }

  void
  erase_external(std::multiset<int>& s)
  { s.erase(s.begin()); }

  void
  erase_external(std::map<int, int>& s)
  { s.erase(s.begin()); }

  void
  erase_external(std::multimap<int, int>& s)
  { s.erase(s.begin()); }

  void
  erase_external_iterators(std::set<int>& s)
  {
    typedef typename std::set<int>::iterator iterator_type;
    iterator_type iter = s.begin();
    s.erase(iter, ++iter);
  }

  void
  erase_external_iterators(std::multiset<int>& s)
  {
    typedef typename std::multiset<int>::iterator iterator_type;
    iterator_type iter = s.begin();
    s.erase(iter, ++iter);
  }

  void
  erase_external_iterators(std::map<int, int>& s)
  {
    typedef typename std::map<int, int>::iterator iterator_type;
    iterator_type iter = s.begin();
    s.erase(iter, ++iter);
  }


  void
  erase_external_iterators(std::multimap<int, int>& s)
  {
    typedef typename std::multimap<int, int>::iterator iterator_type;
    iterator_type iter = s.begin();
    s.erase(iter, ++iter);
  }
#endif

#if __cpp_rtti
// PR libstdc++/103240
namespace
{
  struct S { };
}
const std::type_info& pr103240_private_S = typeid(S);
#endif

} // end namepace __gnu_test