| // 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/rotate.hpp> |
| |
| #include <boost/test/test_tools.hpp> |
| #include <boost/test/unit_test.hpp> |
| |
| #include <boost/assign.hpp> |
| #include <boost/bind.hpp> |
| #include <algorithm> |
| #include <functional> |
| #include <list> |
| #include <numeric> |
| #include <deque> |
| #include <vector> |
| |
| namespace boost |
| { |
| namespace |
| { |
| template<class Container, class Iterator> |
| void test_rotate_impl(Container& cont, Iterator where_it) |
| { |
| Container reference(cont); |
| Container test(cont); |
| |
| Iterator reference_where_it = reference.begin(); |
| std::advance(reference_where_it, |
| std::distance(cont.begin(), where_it)); |
| |
| std::rotate(reference.begin(), reference_where_it, reference.end()); |
| |
| Iterator test_where_it = test.begin(); |
| std::advance(test_where_it, |
| std::distance(cont.begin(), where_it)); |
| |
| boost::rotate(test, test_where_it); |
| |
| BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(), |
| test.begin(), test.end() ); |
| |
| test = cont; |
| test_where_it = test.begin(); |
| std::advance(test_where_it, |
| std::distance(cont.begin(), where_it)); |
| |
| boost::rotate(boost::make_iterator_range(test), test_where_it); |
| |
| BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(), |
| test.begin(), test.end() ); |
| } |
| |
| template<class Container> |
| void test_rotate_impl(Container& cont) |
| { |
| typedef BOOST_DEDUCED_TYPENAME range_iterator<Container>::type iterator_t; |
| |
| iterator_t last = cont.end(); |
| for (iterator_t it = cont.begin(); it != last; ++it) |
| { |
| test_rotate_impl(cont, it); |
| } |
| } |
| |
| template<class Container> |
| void test_rotate_impl() |
| { |
| using namespace boost::assign; |
| |
| Container cont; |
| test_rotate_impl(cont); |
| |
| cont.clear(); |
| cont += 1; |
| test_rotate_impl(cont); |
| |
| cont.clear(); |
| cont += 1,2,3,4,5,6,7,8,9; |
| test_rotate_impl(cont); |
| } |
| |
| void test_rotate() |
| { |
| test_rotate_impl< std::vector<int> >(); |
| test_rotate_impl< std::list<int> >(); |
| test_rotate_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.rotate" ); |
| |
| test->add( BOOST_TEST_CASE( &boost::test_rotate ) ); |
| |
| return test; |
| } |