| // Boost.Range library |
| // |
| // 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/ |
| // |
| // Credits: |
| // awulkiew highlighted that this test was not successfully testing the |
| // algorithm. |
| // |
| #include <boost/range/algorithm/copy_backward.hpp> |
| |
| #include <boost/test/test_tools.hpp> |
| #include <boost/test/unit_test.hpp> |
| |
| #include <boost/assign.hpp> |
| #include <boost/range/iterator.hpp> |
| #include <algorithm> |
| #include <list> |
| #include <vector> |
| |
| namespace boost_range_test |
| { |
| namespace |
| { |
| template<typename Container> |
| void test_copy_backward_impl(std::size_t n) |
| { |
| Container source; |
| typedef typename Container::value_type value_t; |
| for (std::size_t i = 0; i < n; ++i) |
| source.push_back(static_cast<value_t>(i)); |
| |
| std::vector<value_t> target(n); |
| |
| typedef typename boost::range_iterator< |
| std::vector<value_t> |
| >::type iterator_t; |
| |
| iterator_t it = boost::copy_backward(source, target.end()); |
| |
| BOOST_CHECK(it == target.begin()); |
| |
| BOOST_CHECK_EQUAL_COLLECTIONS(target.begin(), target.end(), |
| source.begin(), source.end()); |
| |
| BOOST_CHECK(it == boost::copy_backward( |
| boost::make_iterator_range(source), target.end())); |
| |
| BOOST_CHECK_EQUAL_COLLECTIONS(target.begin(), target.end(), |
| source.begin(), source.end()); |
| } |
| |
| template<typename Container> |
| void test_copy_backward_impl() |
| { |
| test_copy_backward_impl<Container>(0u); |
| test_copy_backward_impl<Container>(1u); |
| test_copy_backward_impl<Container>(100u); |
| } |
| |
| void test_copy_backward() |
| { |
| test_copy_backward_impl<std::vector<int> >(); |
| test_copy_backward_impl<std::list<int> >(); |
| } |
| } // anonymous namespace |
| } // namespace boost_range_test |
| |
| |
| boost::unit_test::test_suite* |
| init_unit_test_suite(int, char*[]) |
| { |
| boost::unit_test::test_suite* test |
| = BOOST_TEST_SUITE("RangeTestSuite.algorithm.copy_backward"); |
| |
| test->add(BOOST_TEST_CASE(&boost_range_test::test_copy_backward)); |
| |
| return test; |
| } |