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/* Boost.MultiIndex test for projection capabilities.
*
* Copyright 2003-2006 Joaqun M Lpez Muoz.
* 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_projection.hpp"
#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
#include "pre_multi_index.hpp"
#include "employee.hpp"
#include <boost/test/test_tools.hpp>
using namespace boost::multi_index;
void test_projection()
{
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));
employee_set::iterator it,itbis;
employee_set_by_name::iterator it1;
employee_set_by_age::iterator it2;
employee_set_as_inserted::iterator it3;
employee_set_by_ssn::iterator it4;
employee_set_randomly::iterator it5;
BOOST_STATIC_ASSERT((boost::is_same<
employee_set::iterator,
nth_index_iterator<employee_set,0>::type >::value));
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_by_name::iterator,
nth_index_iterator<employee_set,1>::type >::value));
#if defined(BOOST_NO_MEMBER_TEMPLATES)
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_by_age::iterator,
index_iterator<employee_set,age>::type >::value));
#else
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_by_age::iterator,
employee_set::index_iterator<age>::type >::value));
#endif
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_as_inserted::iterator,
nth_index_iterator<employee_set,3>::type >::value));
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_by_ssn::iterator,
nth_index_iterator<employee_set,4>::type >::value));
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_randomly::iterator,
nth_index_iterator<employee_set,5>::type >::value));
it= es.find(employee(1,"Robert",27,5601));
it1= project<name>(es,it);
it2= project<age>(es,it1);
it3= project<as_inserted>(es,it2);
it4= project<ssn>(es,it3);
it5= project<randomly>(es,it4);
#if defined(BOOST_NO_MEMBER_TEMPLATES)
itbis=project<0>(es,it5);
#else
itbis=es.project<0>(it5);
#endif
BOOST_CHECK(
*it==*it1&&*it1==*it2&&*it2==*it3&&*it3==*it4&&*it4==*it5&&itbis==it);
BOOST_CHECK(project<name>(es,es.end())==get<name>(es).end());
BOOST_CHECK(project<age>(es,es.end())==get<age>(es).end());
BOOST_CHECK(project<as_inserted>(es,es.end())==get<as_inserted>(es).end());
BOOST_CHECK(project<ssn>(es,es.end())==get<ssn>(es).end());
BOOST_CHECK(project<randomly>(es,es.end())==get<randomly>(es).end());
const employee_set& ces=es;
employee_set::const_iterator cit,citbis;
employee_set_by_name::const_iterator cit1;
employee_set_by_age::const_iterator cit2;
employee_set_as_inserted::const_iterator cit3;
employee_set_by_ssn::const_iterator cit4;
employee_set_randomly::const_iterator cit5;
BOOST_STATIC_ASSERT((boost::is_same<
employee_set::const_iterator,
nth_index_const_iterator<employee_set,0>::type >::value));
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_by_name::const_iterator,
nth_index_const_iterator<employee_set,1>::type >::value));
#if defined(BOOST_NO_MEMBER_TEMPLATES)
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_by_age::const_iterator,
index_const_iterator<employee_set,age>::type >::value));
#else
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_by_age::const_iterator,
employee_set::index_const_iterator<age>::type >::value));
#endif
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_as_inserted::const_iterator,
nth_index_const_iterator<employee_set,3>::type >::value));
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_by_ssn::const_iterator,
nth_index_const_iterator<employee_set,4>::type >::value));
BOOST_STATIC_ASSERT((boost::is_same<
employee_set_randomly::const_iterator,
nth_index_const_iterator<employee_set,5>::type >::value));
cit= ces.find(employee(4,"John",57,1002));
#if defined(BOOST_NO_MEMBER_TEMPLATES)
cit1= project<by_name>(ces,cit);
#else
cit1= ces.project<by_name>(cit);
#endif
cit2= project<age>(ces,cit1);
#if defined(BOOST_NO_MEMBER_TEMPLATES)
cit3= project<as_inserted>(ces,cit2);
#else
cit3= ces.project<as_inserted>(cit2);
#endif
cit4= project<ssn>(ces,cit3);
cit5= project<randomly>(ces,cit4);
citbis=project<0>(ces,cit5);
BOOST_CHECK(
*cit==*cit1&&*cit1==*cit2&&*cit2==*cit3&&*cit3==*cit4&&*cit4==*cit5&&
citbis==cit);
}
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