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::vector objects by means of boost::core::invoke_swap,
8// having ::swap_test_class as vector element type.
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 <vector>
16
17//Put test class in the global namespace
18#include "./swap_test_class.hpp"
19
20//Provide swap function in the global namespace
21void swap(swap_test_class& left, swap_test_class& right)
22{
23 left.swap(other&: right);
24}
25
26int main()
27{
28 typedef std::vector<swap_test_class> vector_type;
29
30 const vector_type::size_type initial_size1 = 1;
31 const vector_type::size_type initial_size2 = 2;
32
33 const vector_type initial_value1(initial_size1, swap_test_class(1));
34 const vector_type initial_value2(initial_size2, swap_test_class(2));
35
36 vector_type object1 = initial_value1;
37 vector_type object2 = initial_value2;
38
39 swap_test_class::reset();
40
41 boost::core::invoke_swap(left&: object1,right&: object2);
42
43 BOOST_CHECK_EQUAL(object1.size(),initial_size2);
44 BOOST_CHECK_EQUAL(object2.size(),initial_size1);
45
46 BOOST_CHECK(object1 == initial_value2);
47 BOOST_CHECK(object2 == initial_value1);
48
49 BOOST_CHECK_EQUAL(swap_test_class::swap_count(),0);
50 BOOST_CHECK_EQUAL(swap_test_class::copy_count(),0);
51
52 return boost::report_errors();
53}
54
55

source code of boost/libs/core/test/swap/swap_std_vector_of_global.cpp