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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/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;
- }
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