/* Boost.MultiIndex test for special set operations.

 *

 * Copyright 2003-2005 Joaquín M López Muñoz.

 * Distributed under the Boost Software License, Version 1.0.

 * (See accompanying file LICENSE_1_0.txt or copy at

 * http://www.boost.org/LICENSE_1_0.txt)

 *

 * See http://www.boost.org/libs/multi_index for library home page.

 */

#include "test_special_set_ops.hpp"

#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */

#include <algorithm>

#include <sstream>

#include "pre_multi_index.hpp"

#include "employee.hpp"

#include <boost/test/test_tools.hpp>

using namespace boost::multi_index;

static int string_to_int(const std::string& str)

{

  std::istringstream iss(str);

  iss>>res;

  return res;

}

struct comp_int_string

{

  bool operator()(int x,const std::string& y)const

  {

    return x<string_to_int(y);

  }

  bool operator()(const std::string& x,int y)const

  {

    return string_to_int(x)<y;

  }

};

struct hash_string_as_int

{

  int operator()(const std::string& x)const

  {

    return boost::hash<int>()(string_to_int(x));

  }

};

struct eq_string_int

{

  bool operator()(int x,const std::string& y)const

  {

    return x==string_to_int(y);

  }

  bool operator()(const std::string& x,int y)const

  {

    return operator()(y,x);

  }

};

void test_special_set_ops()

{

  employee_set es;

  es.insert(employee(0,"Joe",31,1123));

  es.insert(employee(1,"Robert",27,5601));

  es.insert(employee(2,"John",40,7889));

  es.insert(employee(3,"Albert",20,9012));

  es.insert(employee(4,"John",57,1002));

  std::pair<employee_set_by_ssn::iterator,employee_set_by_ssn::iterator> p=

    get<ssn>(es).equal_range(

      "7889",hash_string_as_int(),eq_string_int());

  BOOST_CHECK(std::distance(p.first,p.second)==1&&(p.first)->id==2);

  BOOST_CHECK(

    get<ssn>(es).count(

      "5601",hash_string_as_int(),eq_string_int())==1);

  BOOST_CHECK(

    get<ssn>(es).find(

      "1123",hash_string_as_int(),eq_string_int())->name=="Joe");

  BOOST_CHECK(

    std::distance(

      get<age>(es).lower_bound("27",comp_int_string()),

      get<age>(es).upper_bound("40",comp_int_string()))==3);

  BOOST_CHECK(es.count(2,employee::comp_id())==1);

  BOOST_CHECK(es.count(5,employee::comp_id())==0);

}