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/*
Copyright 2021-2023 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/config.hpp>
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
#include <boost/core/identity.hpp>
#include <boost/core/lightweight_test.hpp>
#include <algorithm>
#include <iterator>
#include <string>
#include <vector>
bool test(std::string&&)
{
return true;
}
bool test(const std::string&&)
{
return true;
}
template<class T>
bool test(T&&)
{
return false;
}
void simple_test()
{
typedef std::string string;
BOOST_TEST(boost::identity()(string("a")) == string("a"));
BOOST_TEST(test(boost::identity()(string("a"))));
typedef const std::string cstring;
BOOST_TEST(boost::identity()(cstring("a")) == cstring("a"));
BOOST_TEST(test(boost::identity()(cstring("a"))));
}
void algorithm_test()
{
std::vector<std::string> v1;
v1.push_back(std::string("a"));
v1.push_back(std::string("b"));
v1.push_back(std::string("c"));
std::vector<std::string> v2(v1);
std::vector<std::string> v3;
std::transform(std::make_move_iterator(v2.begin()),
std::make_move_iterator(v2.end()),
std::back_inserter(v3),
boost::identity());
BOOST_TEST(v3 == v1);
}
int main()
{
simple_test();
algorithm_test();
return boost::report_errors();
}
#else
int main()
{
return 0;
}
#endif
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