1 // Copyright (c) 2008 Joseph Gauterin, Niels Dekker 2 // 3 // Distributed under the Boost Software License, Version 1.0. 4 // (See accompanying file LICENSE_1_0.txt or copy at 5 // http://www.boost.org/LICENSE_1_0.txt) 6 7 // Tests swapping an array of arrays of integers by means of boost::swap. 8 9 #include <boost/utility/swap.hpp> 10 #include <boost/core/lightweight_test.hpp> 11 #define BOOST_CHECK BOOST_TEST 12 #define BOOST_CHECK_EQUAL BOOST_TEST_EQ 13 14 #include <algorithm> //for std::copy and std::equal 15 #include <cstddef> //for std::size_t 16 main()17int main() 18 { 19 const std::size_t first_dimension = 3; 20 const std::size_t second_dimension = 4; 21 const std::size_t number_of_elements = first_dimension * second_dimension; 22 23 int array1[first_dimension][second_dimension]; 24 int array2[first_dimension][second_dimension]; 25 26 int* const ptr1 = array1[0]; 27 int* const ptr2 = array2[0]; 28 29 for (std::size_t i = 0; i < number_of_elements; ++i) 30 { 31 ptr1[i] = static_cast<int>(i); 32 ptr2[i] = static_cast<int>(i + number_of_elements); 33 } 34 35 boost::swap(array1, array2); 36 37 for (std::size_t i = 0; i < number_of_elements; ++i) 38 { 39 BOOST_CHECK_EQUAL(ptr1[i], static_cast<int>(i + number_of_elements) ); 40 BOOST_CHECK_EQUAL(ptr2[i], static_cast<int>(i) ); 41 } 42 43 return boost::report_errors(); 44 } 45