Files
core/test/swap/swap_std_string.cpp
Andrey Semashev 9fc2a2f1ac Renamed boost::swap to boost::core::invoke_swap, deprecated boost::swap.
The rename allows to avoid forming an infinite recursion in compile time
(because of noexcept specification that needs to resolve the unqualified call
to swap) or run time (in case if the boost::swap function is the only one
suitable for the passed arguments).

To avoid the compile-time recursion, removed noexcept specification from
boost::swap. The specification is still present in boost::core::invoke_swap.

Deprecated boost::swap and associated headers. boost::core::invoke_swap
is defined in a new boost/core/invoke_swap.hpp header.

Updated docs and tests. Removed tests that check inclusion of deprecated
headers.

Fixes https://github.com/boostorg/core/issues/148.
2023-07-12 12:17:07 +03:00

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// 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 std::string objects by means of boost::core::invoke_swap.
// std::string has its own std::swap overload.
#include <boost/core/invoke_swap.hpp>
#include <boost/core/lightweight_test.hpp>
#define BOOST_CHECK BOOST_TEST
#define BOOST_CHECK_EQUAL BOOST_TEST_EQ
#include <string>
int main()
{
const std::string initial_value1 = "one";
const std::string initial_value2 = "two";
std::string object1 = initial_value1;
std::string object2 = initial_value2;
boost::core::invoke_swap(object1,object2);
BOOST_CHECK_EQUAL(object1,initial_value2);
BOOST_CHECK_EQUAL(object2,initial_value1);
return boost::report_errors();
}