| 1 | // Copyright Neil Groves 2013. Use, modification and |
|---|---|
| 2 | // distribution is subject to the Boost Software License, Version |
| 3 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| 4 | // http://www.boost.org/LICENSE_1_0.txt) |
| 5 | // |
| 6 | // |
| 7 | // For more information, see http://www.boost.org/libs/range/ |
| 8 | // |
| 9 | // Acknowledgments: |
| 10 | // Implemented by Andy in response to Ticket 6888 - unique fix |
| 11 | // |
| 12 | #ifndef BOOST_RANGE_TEST_TEST_DRIVER_RANGE_OVERLOAD_TEST_DRIVER_HPP_INCLUDED |
| 13 | #define BOOST_RANGE_TEST_TEST_DRIVER_RANGE_OVERLOAD_TEST_DRIVER_HPP_INCLUDED |
| 14 | |
| 15 | #include "range_return_test_driver.hpp" |
| 16 | #include <boost/assert.hpp> |
| 17 | #include <boost/test/test_tools.hpp> |
| 18 | #include <boost/test/unit_test.hpp> |
| 19 | |
| 20 | namespace boost |
| 21 | { |
| 22 | namespace range_test |
| 23 | { |
| 24 | |
| 25 | // A test driver to exercise a test through range_return_test_driver |
| 26 | // plus the overload that determines the return_type by overload |
| 27 | // |
| 28 | // The test driver also contains the code required to check the |
| 29 | // return value correctness. |
| 30 | // |
| 31 | // The TestPolicy needs to implement all those required by |
| 32 | // range_return_test_driver, and additionally |
| 33 | // |
| 34 | // - perform the boost range version of the algorithm that determines |
| 35 | // the return_type by overload |
| 36 | class range_overload_test_driver : range_return_test_driver |
| 37 | { |
| 38 | public: |
| 39 | template< class Container, |
| 40 | class TestPolicy > |
| 41 | void operator()(Container& cont, TestPolicy policy) |
| 42 | { |
| 43 | range_return_test_driver::operator()(cont, policy); |
| 44 | test_range_overload<Container, TestPolicy>()(cont, policy); |
| 45 | } |
| 46 | |
| 47 | private: |
| 48 | template< class Container, class TestPolicy > |
| 49 | struct test_range_overload |
| 50 | { |
| 51 | void operator()(Container& cont, TestPolicy policy) |
| 52 | { |
| 53 | typedef BOOST_DEDUCED_TYPENAME range_iterator<Container>::type iterator_t; |
| 54 | typedef BOOST_DEDUCED_TYPENAME TestPolicy::template test_range_overload<Container> test_range_overload_t; |
| 55 | const range_return_value result_type = test_range_overload_t::result_type; |
| 56 | typedef BOOST_DEDUCED_TYPENAME range_return<Container, result_type>::type range_return_t; |
| 57 | |
| 58 | Container reference(cont); |
| 59 | Container test_cont(cont); |
| 60 | |
| 61 | test_range_overload_t test_range_overload_fn; |
| 62 | range_return_t range_result = test_range_overload_fn(policy, test_cont); |
| 63 | |
| 64 | iterator_t reference_it = policy.reference(reference); |
| 65 | |
| 66 | check_results<result_type>::test(test_cont, reference, |
| 67 | range_result, reference_it); |
| 68 | } |
| 69 | }; |
| 70 | }; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | #endif // include guard |