| // Copyright (c) 2008 Joseph Gauterin, Niels Dekker |
| // |
| // Distributed under 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) |
| |
| // Tests swapping an array of arrays of integers by means of boost::swap. |
| |
| #include <boost/utility/swap.hpp> |
| #define BOOST_INCLUDE_MAIN |
| #include <boost/test/test_tools.hpp> |
| |
| #include <algorithm> //for std::copy and std::equal |
| #include <cstddef> //for std::size_t |
| |
| int test_main(int, char*[]) |
| { |
| const std::size_t first_dimension = 3; |
| const std::size_t second_dimension = 4; |
| const std::size_t number_of_elements = first_dimension * second_dimension; |
| |
| int array1[first_dimension][second_dimension]; |
| int array2[first_dimension][second_dimension]; |
| |
| int* const ptr1 = array1[0]; |
| int* const ptr2 = array2[0]; |
| |
| for (std::size_t i = 0; i < number_of_elements; ++i) |
| { |
| ptr1[i] = static_cast<int>(i); |
| ptr2[i] = static_cast<int>(i + number_of_elements); |
| } |
| |
| boost::swap(array1, array2); |
| |
| for (std::size_t i = 0; i < number_of_elements; ++i) |
| { |
| BOOST_CHECK_EQUAL(ptr1[i], static_cast<int>(i + number_of_elements) ); |
| BOOST_CHECK_EQUAL(ptr2[i], static_cast<int>(i) ); |
| } |
| return 0; |
| } |