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// Copyright Neil Groves 2009. Use, modification and
// distribution is subject to 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)
//
//
// For more information, see http://www.boost.org/libs/range/
//
#include <boost/range/algorithm/equal_range.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/assign.hpp>
#include <algorithm>
#include <functional>
#include <list>
#include <numeric>
#include <deque>
#include <vector>
namespace boost
{
namespace
{
template<class Container, class Pair>
void check_result(
const Container& reference,
Pair reference_pair,
const Container& test,
Pair test_pair
)
{
typedef BOOST_DEDUCED_TYPENAME range_iterator<const Container>::type
const_iterator_t;
BOOST_CHECK_EQUAL_COLLECTIONS(
reference.begin(), reference.end(),
test.begin(), test.end()
);
BOOST_CHECK_EQUAL(
std::distance<const_iterator_t>(reference.begin(), reference_pair.first),
std::distance<const_iterator_t>(test.begin(), test_pair.first)
);
BOOST_CHECK_EQUAL(
std::distance<const_iterator_t>(reference.begin(), reference_pair.second),
std::distance<const_iterator_t>(test.begin(), test_pair.second)
);
BOOST_CHECK_EQUAL_COLLECTIONS(
reference_pair.first, reference_pair.second,
test_pair.first, test_pair.second
);
}
template<class Container>
void test(Container& cont)
{
Container reference(cont);
Container test(cont);
typedef BOOST_DEDUCED_TYPENAME range_iterator<Container>::type iterator_t;
typedef std::pair<iterator_t, iterator_t> pair_t;
pair_t reference_result
= std::equal_range(reference.begin(), reference.end(), 5);
pair_t test_result = boost::equal_range(test, 5);
check_result(reference, reference_result, test, test_result);
pair_t test_result2 = boost::equal_range(boost::make_iterator_range(test), 5);
check_result(reference, reference_result, test, test_result2);
}
template<class Container, class BinaryPredicate>
void sort_container(Container& cont, BinaryPredicate pred)
{
typedef BOOST_DEDUCED_TYPENAME Container::value_type value_t;
std::vector<value_t> temp(cont.begin(), cont.end());
std::sort(temp.begin(), temp.end(), pred);
cont.assign(temp.begin(), temp.end());
}
template<class Container, class BinaryPredicate>
void test_pred(Container& cont, BinaryPredicate pred)
{
typedef BOOST_DEDUCED_TYPENAME boost::remove_const<Container>::type container_t;
container_t reference_temp(cont);
container_t test_temp(cont);
sort_container(reference_temp, pred);
sort_container(test_temp, pred);
Container reference(reference_temp);
Container test(test_temp);
typedef BOOST_DEDUCED_TYPENAME range_iterator<Container>::type iterator_t;
typedef std::pair<iterator_t, iterator_t> pair_t;
pair_t reference_result
= std::equal_range(reference.begin(), reference.end(), 5,
BinaryPredicate());
pair_t test_result = boost::equal_range(test, 5, BinaryPredicate());
check_result(reference, reference_result, test, test_result);
pair_t test_result2 = boost::equal_range(boost::make_iterator_range(test), 5, BinaryPredicate());
check_result(reference, reference_result, test, test_result2);
}
template<class Container>
void test_driver(const Container& cont)
{
Container mutable_cont(cont);
test(mutable_cont);
test(cont);
}
template<class Container, class BinaryPredicate>
void test_pred_driver(const Container& cont, BinaryPredicate pred)
{
Container mutable_cont(cont);
test_pred(mutable_cont, pred);
test_pred(cont, pred);
}
template<class Container>
void test_equal_range_impl()
{
using namespace boost::assign;
Container cont;
test_driver(cont);
test_pred_driver(cont, std::less<int>());
test_pred_driver(cont, std::greater<int>());
cont.clear();
cont += 1;
test_driver(cont);
test_pred_driver(cont, std::less<int>());
test_pred_driver(cont, std::greater<int>());
cont.clear();
cont += 1,2,3,4,5,6,7,8,9;
test_driver(cont);
test_pred_driver(cont, std::less<int>());
test_pred_driver(cont, std::greater<int>());
}
void test_equal_range()
{
test_equal_range_impl< std::vector<int> >();
test_equal_range_impl< std::list<int> >();
test_equal_range_impl< std::deque<int> >();
}
}
}
boost::unit_test::test_suite*
init_unit_test_suite(int argc, char* argv[])
{
boost::unit_test::test_suite* test
= BOOST_TEST_SUITE( "RangeTestSuite.algorithm.equal_range" );
test->add( BOOST_TEST_CASE( &boost::test_equal_range ) );
return test;
}
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