| 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 std::string objects by means of boost::core::invoke_swap. |
| 8 | // std::string has its own std::swap overload. |
| 9 | |
| 10 | #include <boost/core/invoke_swap.hpp> |
| 11 | #include <boost/core/lightweight_test.hpp> |
| 12 | #define BOOST_CHECK BOOST_TEST |
| 13 | #define BOOST_CHECK_EQUAL BOOST_TEST_EQ |
| 14 | |
| 15 | #include <string> |
| 16 | |
| 17 | int main() |
| 18 | { |
| 19 | const std::string initial_value1 = "one"; |
| 20 | const std::string initial_value2 = "two"; |
| 21 | |
| 22 | std::string object1 = initial_value1; |
| 23 | std::string object2 = initial_value2; |
| 24 | |
| 25 | boost::core::invoke_swap(left&: object1,right&: object2); |
| 26 | |
| 27 | BOOST_CHECK_EQUAL(object1,initial_value2); |
| 28 | BOOST_CHECK_EQUAL(object2,initial_value1); |
| 29 | |
| 30 | return boost::report_errors(); |
| 31 | } |
| 32 | |
| 33 |