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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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