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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 text_find_timing_test.cpp

 * Contains test for finding text.

 */

#include <ext/typelist.h>

#include <performance/io/xml_formatter.hpp>

#include <io/verified_cmd_line_input.hpp>

#include <common_type/assoc/common_type.hpp>

#include <performance/assoc/timing/find_test.hpp>

#include <io/text_populate.hpp>

#include <hash_fn/string_hash_fn.hpp>

#include <native_type/native_hash_map.hpp>

#include <native_type/native_map.hpp>

#include <iostream>

#include <vector>

void

usage();

int

main(int argc, char* a_p_argv[])

{

  using namespace __gnu_pbds::test;

  std::string f_name = "thirty_years_among_the_dead_preproc.txt";

  size_t vn = 200;

  size_t vs = 200;

  size_t vm = 2100;

  try

    {

      xml_test_performance_formatter fmt("Size", "Average time (sec.)");

      typedef std::vector<std::pair<std::string, char> > vec_t;

      vec_t a_v(vm);

      text_populate(f_name, a_v);

      typedef find_test<vec_t::const_iterator, false> test_t;

      vec_t::const_iterator b = a_v.begin();

      test_t tst(b, b, vn, vs, vm, vn, vs, vm);

      {

        typedef trie_common_types<std::string, char>::performance_tl pat_trie_tl_t;

        typedef tree_common_types<std::string, char>::performance_tl tree_tl_t;

        typedef hash_common_types<std::string, char, string_hash_fn>::performance_tl hash_tl_t;

        typedef __gnu_cxx::typelist::append<pat_trie_tl_t, __gnu_cxx::typelist::append<hash_tl_t, tree_tl_t>::type>::type tl_t;

        tl_t tl;

        __gnu_cxx::typelist::apply(tst, tl);

      }

      {

        typedef native_map<std::string, char> native_map_t;

        tst(native_map_t());

#ifdef PB_DS_USE_TR1

        typedef native_hash_map<std::string, char, 8, string_hash_fn> native_hash_map_t;

        tst(native_hash_map_t());

        typedef

          native_hash_map<

          std::string,

          char,

          8,

          string_hash_fn,

          std::equal_to<

          std::string>,

          std::less<

          std::string>,

          std::allocator<

          char>,

          true>

          sth_native_hash_map_t;

        tst(sth_native_hash_map_t());

#endif

      }

    }

  catch(...)

    {

      std::cerr << "Test failed" << std::endl;

      return -1;

    }

  return 0;

}

void

usage()

{

  using namespace std;

  cerr << "usage: text_find_timing_test <f_name> <vn> <vs> <vm>" <<

    endl << endl;

  cerr <<

    "This test checks the performance of various associative containers "

    "using their find method. " << endl;

  cerr << "Specifically, it does the following:" << endl;

  cerr << "*  Creates a vector of text words " << endl;

  cerr << "*  Inserts the elements into the container" << endl;

  cerr << "*  Performs a sequence of find operations. At each iteration, "

    "it finds, for each word in the vector, its entry in the "

    "container, using the find method" << endl;

  cerr << "*  Repeats the above test a number of times) "

            << endl;

  cerr << endl << endl;

  cerr << "f_name = file name containing the text words. "

    "Each line should contain one word." << endl;

  cerr << "vn = minimum size of the vector" << endl;

  cerr << "vs = step size of the vector" << endl;

  cerr << "vm = maximum size of the vector" << endl;

}