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// -*- C++ -*-

// Copyright (C) 2005, 2006, 2009 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/>.

// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

// Permission to use, copy, modify, sell, and distribute this software

// is hereby granted without fee, provided that the above copyright

// notice appears in all copies, and that both that copyright notice

// and this permission notice appear in supporting documentation. None

// of the above authors, nor IBM Haifa Research Laboratories, make any

// representation about the suitability of this software for any

// purpose. It is provided "as is" without express or implied

// warranty.

/**

 * @file multimap_insert_test.hpp

 * Contains a generic multimap_insert_test test.

 */

#ifndef PB_DS_MULTIMAP_INSERT_TEST_HPP

#define PB_DS_MULTIMAP_INSERT_TEST_HPP

#include <iterator>

#include <ext/pb_ds/detail/type_utils.hpp>

#include <testsuite_allocator.h>

#include <performance/io/xml_formatter.hpp>

#include <common_type/assoc/string_form.hpp>

namespace __gnu_pbds

{

  namespace test

  {

    template<typename It, bool Native>

    class multimap_insert_test

    {

    public:

      multimap_insert_test(It b, size_t ins_vn, size_t ins_vs, size_t ins_vm):

      m_ins_b(b), m_ins_vn(ins_vn), m_ins_vs(ins_vs), m_ins_vm(ins_vm)

      { }

      template<typename Cntnr>

      void

      operator()(Cntnr);

    private:

      multimap_insert_test(const multimap_insert_test&);

      template<typename Cntnr>

      size_t

      insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::true_type);

      template<typename Cntnr>

      size_t

      insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::false_type);

      const It m_ins_b;

      const size_t m_ins_vn;

      const size_t m_ins_vs;

      const size_t m_ins_vm;

    };

    template<typename It, bool Native>

    template<typename Cntnr>

    void

    multimap_insert_test<It, Native>::

    operator()(Cntnr)

    {

      typedef xml_result_set_performance_formatter formatter_type;

      formatter_type res_set_fmt(string_form<Cntnr>::name(),

                                 string_form<Cntnr>::desc());

      for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i)

        {

          const size_t ins_size = m_ins_vn + i * m_ins_vs;

          It ins_it_b = m_ins_b;

          It ins_it_e = m_ins_b;

          std::advance(ins_it_e, ins_size);

          const size_t delta_mem = insert(Cntnr(), ins_it_b, ins_it_e,

                                          __gnu_pbds::detail::integral_constant<int,Native>());

          res_set_fmt.add_res(ins_size, static_cast<double>(delta_mem));

        }

    }

    template<typename It, bool Native>

    template<typename Cntnr>

    size_t

    multimap_insert_test<It, Native>::

    insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::true_type)

    {

      typedef __gnu_test::tracker_allocator_counter counter_type;

      __gnu_test::tracker_allocator<char> alloc;

      const size_t init_mem = counter_type::get_allocation_count()

                              - counter_type::get_deallocation_count();

      Cntnr cntnr;

      for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)

        cntnr.insert((typename Cntnr::const_reference)(*ins_it));

      const size_t final_mem = counter_type::get_allocation_count()

                               - counter_type::get_deallocation_count();

      assert(final_mem > init_mem);

      return (final_mem - init_mem);

    }

    template<typename It, bool Native>

    template<typename Cntnr>

    size_t

    multimap_insert_test<It, Native>::

    insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::false_type)

    {

      typedef __gnu_test::tracker_allocator_counter counter_type;

      __gnu_test::tracker_allocator<char> alloc;

      const size_t init_mem = counter_type::get_allocation_count()

                              - counter_type::get_deallocation_count();

      Cntnr cntnr;

      for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)

        cntnr[ins_it->first].insert(ins_it->second);

      const size_t final_mem =  counter_type::get_allocation_count()

                                - counter_type::get_deallocation_count();

      assert(final_mem > init_mem);

      return (final_mem - init_mem);

    }

  } // namespace test

} // namespace __gnu_pbds

#endif