path: root/libstdc++-v3/testsuite/util/performance/assoc/timing/multimap_find_test.hpp

// -*- C++ -*-

// Copyright (C) 2005, 2006 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 2, 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 COPYING.  If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
// MA 02111-1307, USA.

// As a special exception, you may use this file as part of a free
// software library without restriction.  Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to
// produce an executable, this file does not by itself cause the
// resulting executable to be covered by the GNU General Public
// License.  This exception does not however invalidate any other
// reasons why the executable file might be covered by the GNU General
// Public License.

// 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
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/**
 * @file multimap_find_test.hpp
 * Contains a generic multimap_find_test test.
 */

#ifndef PB_DS_MULTIMAP_INSERT_TEST_HPP
#define PB_DS_MULTIMAP_INSERT_TEST_HPP

#include <performance/time/timing_test_base.hpp>
#include <performance/io/xml_formatter.hpp>
#include <common_type/assoc/string_form.hpp>
#include <iterator>

namespace pb_ds
{

  namespace test
  {

    namespace detail
    {

      template<typename It, class Cntnr, bool Native>
      class multimap_find_functor
      {
      public:
        multimap_find_functor(const Cntnr& r_container,  It fnd_it_b,  It fnd_it_e) : m_r_container(r_container),
										      m_fnd_it_b(fnd_it_b),
										      m_fnd_it_e(fnd_it_e)
	{ }

	void
        operator()(std::size_t resolution)
	{
	  size_t not_found_count = 0;

	  for (std::size_t i = 0; i < resolution; ++i)
	    {
	      typename Cntnr::const_point_iterator prm_end_it = m_r_container.end();

	      for (It fnd_it = m_fnd_it_b; fnd_it != m_fnd_it_e; ++fnd_it)
		{
		  typename Cntnr::const_point_iterator prm_it = m_r_container.find(fnd_it->first);

		  if (prm_it == prm_end_it ||
		      prm_it->second.find(fnd_it->second) == prm_it->second.end())
                    ++not_found_count;
		}
	    }

	  if (not_found_count != 0)
            abort();
	}

      private:
	const Cntnr& m_r_container;

	const It m_fnd_it_b;
	const It m_fnd_it_e;
      };

      template<typename It, class Cntnr>
      class multimap_find_functor<
	It,
	Cntnr,
	true>
      {
      public:
        multimap_find_functor(const Cntnr& r_container,  It fnd_it_b,  It fnd_it_e) : m_r_container(r_container),
										      m_fnd_it_b(fnd_it_b),
										      m_fnd_it_e(fnd_it_e)
	{ }

	void
        operator()(std::size_t resolution)
	{
	  size_t not_found_count = 0;

	  for (std::size_t i = 0; i < resolution; ++i)
	    {
	      Cntnr cntnr;

	      for (It fnd_it = m_fnd_it_b; fnd_it != m_fnd_it_e; ++fnd_it)
                if (m_r_container.find((typename Cntnr::const_reference)(*fnd_it)) == m_r_container.end())
		  ++not_found_count;
	    }

	  if (not_found_count != 0)
            abort();
	}

      private:
	const Cntnr& m_r_container;

	const It m_fnd_it_b;
	const It m_fnd_it_e;
      };

    } // namespace detail

#define PB_DS_CLASS_T_DEC			\
    template<typename It, bool Native>

#define PB_DS_CLASS_C_DEC				\
    multimap_find_test<					\
						It,	\
						Native>

    template<typename It, bool Native>
    class multimap_find_test : private pb_ds::test::detail::timing_test_base
    {
    public:
      multimap_find_test(It ins_b, size_t ins_vn, size_t ins_vs, size_t ins_vm);

      template<typename Cntnr>
      void
      operator()(pb_ds::detail::type_to_type<Cntnr>);

    private:
      multimap_find_test(const multimap_find_test& );

      template<typename Cntnr>
      Cntnr
      init(It ins_b, It ins_e, pb_ds::detail::type_to_type<Cntnr>, pb_ds::detail::true_type);

      template<typename Cntnr>
      Cntnr
      init(It ins_b, It ins_e, pb_ds::detail::type_to_type<Cntnr>, pb_ds::detail::false_type);

    private:
      const It m_ins_b;

      const size_t m_ins_vn;
      const size_t m_ins_vs;
      const size_t m_ins_vm;
    };

    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    multimap_find_test(It ins_b, size_t ins_vn, size_t ins_vs, size_t ins_vm) :
      m_ins_b(ins_b),
      m_ins_vn(ins_vn),
      m_ins_vs(ins_vs),
      m_ins_vm(ins_vm)
    { }

    PB_DS_CLASS_T_DEC
    template<typename Cntnr>
    void
    PB_DS_CLASS_C_DEC::
    operator()(pb_ds::detail::type_to_type<Cntnr>)
    {
      xml_result_set_performance_formatter res_set_fmt(
						       string_form<Cntnr>::name(),
						       string_form<Cntnr>::desc());

      for (size_t size_i = 0; m_ins_vn + size_i*  m_ins_vs < m_ins_vm; ++size_i)
	{
	  const size_t v = m_ins_vn + size_i*  m_ins_vs;

	  It ins_it_b = m_ins_b;
	  It ins_it_e = m_ins_b;
	  std::advance(ins_it_e, v);

	  Cntnr c = init(ins_it_b,
			 ins_it_e,
			 pb_ds::detail::type_to_type<Cntnr>(),
			 pb_ds::detail::integral_constant<int,Native>());

	  pb_ds::test::detail::multimap_find_functor<It, Cntnr, Native>
            fn(c, ins_it_b, ins_it_e);

	  const double res =
            pb_ds::test::detail::timing_test_base::operator()(fn);

	  res_set_fmt.add_res(v, res / v);
	}
    }

    PB_DS_CLASS_T_DEC
    template<typename Cntnr>
    Cntnr
    PB_DS_CLASS_C_DEC::
    init(It ins_b, It ins_e, pb_ds::detail::type_to_type<Cntnr>, pb_ds::detail::true_type)
    {
      return Cntnr(ins_b, ins_e);
    }

    PB_DS_CLASS_T_DEC
    template<typename Cntnr>
    Cntnr
    PB_DS_CLASS_C_DEC::
    init(It ins_b, It ins_e, pb_ds::detail::type_to_type<Cntnr>, pb_ds::detail::false_type)
    {
      Cntnr ret;

      for (It it = ins_b; it != ins_e; ++it)
        ret[it->first].insert(it->second);

      return ret;
    }

#undef PB_DS_CLASS_T_DEC

#undef PB_DS_CLASS_C_DEC

  } // namespace test

} // namespace pb_ds

#endif // #ifndef PB_DS_MULTIMAP_INSERT_TEST_HPP