| // 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/ |
| // |
| #include <boost/range/algorithm/unique.hpp> |
| #include <boost/range/detail/range_return.hpp> |
| |
| #include <boost/test/test_tools.hpp> |
| #include <boost/test/unit_test.hpp> |
| |
| #include <boost/assign.hpp> |
| #include <boost/bind.hpp> |
| #include <boost/config.hpp> |
| #include "../test_driver/range_overload_test_driver.hpp" |
| #include <algorithm> |
| #include <functional> |
| #include <list> |
| #include <numeric> |
| #include <deque> |
| #include <vector> |
| |
| namespace boost_range_test_algorithm_unique |
| { |
| // test the 'unique' algorithm without a predicate |
| class unique_test_policy |
| { |
| public: |
| template< class Container > |
| BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type |
| test_iter(Container& cont) |
| { |
| // There isn't an iterator return version of boost::unique, so just |
| // perform the standard algorithm |
| return std::unique(cont.begin(), cont.end()); |
| } |
| |
| template< boost::range_return_value return_type > |
| struct test_range |
| { |
| template< class Container, class Policy > |
| BOOST_DEDUCED_TYPENAME boost::range_return<Container,return_type>::type |
| operator()(Policy&, Container& cont) |
| { |
| typedef BOOST_DEDUCED_TYPENAME boost::range_return<Container,return_type>::type result_t; |
| |
| Container cont2(cont); |
| |
| result_t result = boost::unique<return_type>(cont); |
| |
| boost::unique<return_type>(boost::make_iterator_range(cont2)); |
| |
| BOOST_CHECK_EQUAL_COLLECTIONS( cont.begin(), cont.end(), |
| cont2.begin(), cont2.end() ); |
| |
| return result; |
| } |
| }; |
| |
| template<typename Container> |
| struct test_range_overload |
| { |
| BOOST_STATIC_CONSTANT( |
| ::boost::range_return_value, |
| result_type = ::boost::return_begin_found); |
| |
| template<typename Policy> |
| BOOST_DEDUCED_TYPENAME boost::range_return< |
| Container, result_type |
| >::type |
| operator()(Policy& policy, Container& cont) |
| { |
| typedef BOOST_DEDUCED_TYPENAME boost::range_return< |
| Container,result_type>::type result_t; |
| |
| Container cont2(cont); |
| |
| result_t result = boost::unique(cont); |
| |
| boost::unique(boost::make_iterator_range(cont2)); |
| |
| BOOST_CHECK_EQUAL_COLLECTIONS( |
| cont.begin(), cont.end(), |
| cont2.begin(), cont2.end()); |
| |
| return result; |
| } |
| }; |
| |
| template< class Container > |
| BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type |
| reference(Container& cont) |
| { |
| return std::unique(cont.begin(), cont.end()); |
| } |
| }; |
| |
| // test the 'unique' algorithm with a predicate |
| template<class Pred> |
| class unique_pred_test_policy |
| { |
| public: |
| template< class Container > |
| BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type |
| test_iter(Container& cont) |
| { |
| // There isn't an iterator return version of boost::unique, so just |
| // perform the standard algorithm |
| return std::unique(cont.begin(), cont.end(), Pred()); |
| } |
| |
| Pred pred() const { return Pred(); } |
| |
| template< boost::range_return_value return_type > |
| struct test_range |
| { |
| template< class Container, class Policy > |
| BOOST_DEDUCED_TYPENAME boost::range_return<Container,return_type>::type |
| operator()(Policy& policy, Container& cont) |
| { |
| typedef BOOST_DEDUCED_TYPENAME boost::range_return<Container,return_type>::type result_t; |
| |
| Container cont2(cont); |
| |
| result_t result = boost::unique<return_type>(cont, policy.pred()); |
| |
| boost::unique<return_type>(boost::make_iterator_range(cont2), policy.pred()); |
| |
| BOOST_CHECK_EQUAL_COLLECTIONS( cont.begin(), cont.end(), |
| cont2.begin(), cont2.end() ); |
| |
| return result; |
| } |
| }; |
| |
| template<typename Container> |
| struct test_range_overload |
| { |
| BOOST_STATIC_CONSTANT( |
| ::boost::range_return_value, |
| result_type = ::boost::return_begin_found); |
| |
| template<typename Policy> |
| BOOST_DEDUCED_TYPENAME boost::range_return<Container,result_type>::type |
| operator()(Policy& policy, Container& cont) |
| { |
| typedef BOOST_DEDUCED_TYPENAME boost::range_return< |
| Container,result_type>::type result_t; |
| |
| Container cont2(cont); |
| |
| result_t result = boost::unique(cont, policy.pred()); |
| |
| boost::unique(boost::make_iterator_range(cont2), policy.pred()); |
| |
| BOOST_CHECK_EQUAL_COLLECTIONS( |
| cont.begin(), cont.end(), |
| cont2.begin(), cont2.end()); |
| |
| return result; |
| } |
| }; |
| |
| template< class Container > |
| BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type |
| reference(Container& cont) |
| { |
| return std::unique(cont.begin(), cont.end(), Pred()); |
| } |
| }; |
| |
| template<class Container, class TestPolicy, class Pred> |
| void test_unique_impl(TestPolicy policy, Pred pred) |
| { |
| using namespace boost::assign; |
| |
| typedef BOOST_DEDUCED_TYPENAME Container::value_type value_t; |
| |
| boost::range_test::range_overload_test_driver test_driver; |
| |
| Container cont; |
| |
| test_driver(cont, policy); |
| |
| cont.clear(); |
| cont += 1; |
| |
| std::vector<value_t> temp(cont.begin(), cont.end()); |
| std::sort(temp.begin(), temp.end(), pred); |
| cont.assign(temp.begin(), temp.end()); |
| |
| test_driver(cont, policy); |
| |
| cont.clear(); |
| cont += 1,2,2,2,2,3,4,5,6,7,8,9; |
| |
| temp.assign(cont.begin(), cont.end()); |
| std::sort(temp.begin(), temp.end(), pred); |
| cont.assign(temp.begin(), temp.end()); |
| |
| test_driver(cont, policy); |
| } |
| |
| template<typename T> |
| struct equal_div_2 |
| { |
| typedef bool result_type; |
| typedef const T& first_argument_type; |
| typedef const T& second_argument_type; |
| |
| bool operator()(const T& left, const T& right) const |
| { |
| return left / 2 == right / 2; |
| } |
| }; |
| |
| template<class Container> |
| void test_unique_impl() |
| { |
| test_unique_impl<Container>( |
| unique_test_policy(), |
| std::less<int>() |
| ); |
| |
| test_unique_impl<Container>( |
| unique_pred_test_policy<std::equal_to<int> >(), |
| std::less<int>() |
| ); |
| |
| test_unique_impl<Container>( |
| unique_pred_test_policy<std::equal_to<int> >(), |
| std::greater<int>() |
| ); |
| |
| test_unique_impl<Container>( |
| unique_pred_test_policy<equal_div_2<int> >(), |
| std::less<int>() |
| ); |
| } |
| |
| void test_unique() |
| { |
| test_unique_impl< std::vector<int> >(); |
| test_unique_impl< std::list<int> >(); |
| test_unique_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.unique" ); |
| |
| test->add( BOOST_TEST_CASE( &boost_range_test_algorithm_unique::test_unique ) ); |
| |
| return test; |
| } |