102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
// Boost.Range library
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//
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// Copyright Robin Eckert 2015. Use, modification and distribution is
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// subject to the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#include <boost/range/adaptor/ref_unwrapped.hpp>
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#define BOOST_TEST_MAIN
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#include <boost/test/test_tools.hpp>
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#include <boost/test/unit_test.hpp>
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#include <vector>
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#if !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && !defined(BOOST_NO_CXX11_RANGE_BASED_FOR) && !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
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namespace boost
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{
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BOOST_AUTO_TEST_CASE(test_mutable)
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{
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int one = 1;
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int two = 2;
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int three = 3;
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std::vector<std::reference_wrapper<int>> input_values{one, two, three};
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const std::vector<int*> expected{&one, &two, &three};
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std::vector<int*> actual;
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for (auto&& value : input_values | adaptors::ref_unwrapped)
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{
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actual.push_back(&value);
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}
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BOOST_CHECK_EQUAL_COLLECTIONS(expected.begin(),
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expected.end(),
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actual.begin(),
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actual.end());
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}
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BOOST_AUTO_TEST_CASE(test_const_range)
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{
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int one = 1;
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int two = 2;
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int three = 3;
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const std::vector<std::reference_wrapper<int>> input_values{one, two, three};
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const std::vector<int*> expected{&one, &two, &three};
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std::vector<int*> actual;
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for (auto&& value : input_values | adaptors::ref_unwrapped)
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{
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actual.push_back(&value);
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}
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BOOST_CHECK_EQUAL_COLLECTIONS(expected.begin(),
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expected.end(),
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actual.begin(),
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actual.end());
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}
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BOOST_AUTO_TEST_CASE(test_const_reference)
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{
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const int one = 1;
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const int two = 2;
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const int three = 3;
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const std::vector<std::reference_wrapper<const int>> input_values{one, two, three};
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const std::vector<const int*> expected{&one, &two, &three};
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std::vector<const int*> actual;
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for (auto&& value : input_values | adaptors::ref_unwrapped)
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{
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actual.push_back(&value);
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}
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BOOST_CHECK_EQUAL_COLLECTIONS(expected.begin(),
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expected.end(),
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actual.begin(),
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actual.end());
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}
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}
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#else
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BOOST_AUTO_TEST_CASE(empty)
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{
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// C++11 only
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}
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#endif
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