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// Boost.Range library
//
// Copyright Robin Eckert 2015. Use, modification and distribution is
// subject to 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)
//
//
// For more information, see http://www.boost.org/libs/range/
//
#include <boost/range/adaptor/ref_unwrapped.hpp>
#define BOOST_TEST_MAIN
#include <boost/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>
#include <vector>
#if !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && !defined(BOOST_NO_CXX11_RANGE_BASED_FOR) && !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
namespace boost
{
BOOST_AUTO_TEST_CASE(test_mutable)
{
int one = 1;
int two = 2;
int three = 3;
std::vector<std::reference_wrapper<int>> input_values{one, two, three};
const std::vector<int*> expected{&one, &two, &three};
std::vector<int*> actual;
for (auto&& value : input_values | adaptors::ref_unwrapped)
{
actual.push_back(&value);
}
BOOST_CHECK_EQUAL_COLLECTIONS(expected.begin(),
expected.end(),
actual.begin(),
actual.end());
}
BOOST_AUTO_TEST_CASE(test_const_range)
{
int one = 1;
int two = 2;
int three = 3;
const std::vector<std::reference_wrapper<int>> input_values{one, two, three};
const std::vector<int*> expected{&one, &two, &three};
std::vector<int*> actual;
for (auto&& value : input_values | adaptors::ref_unwrapped)
{
actual.push_back(&value);
}
BOOST_CHECK_EQUAL_COLLECTIONS(expected.begin(),
expected.end(),
actual.begin(),
actual.end());
}
BOOST_AUTO_TEST_CASE(test_const_reference)
{
const int one = 1;
const int two = 2;
const int three = 3;
const std::vector<std::reference_wrapper<const int>> input_values{one, two, three};
const std::vector<const int*> expected{&one, &two, &three};
std::vector<const int*> actual;
for (auto&& value : input_values | adaptors::ref_unwrapped)
{
actual.push_back(&value);
}
BOOST_CHECK_EQUAL_COLLECTIONS(expected.begin(),
expected.end(),
actual.begin(),
actual.end());
}
}
#else
BOOST_AUTO_TEST_CASE(empty)
{
// C++11 only
}
#endif
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