91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*=============================================================================
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Copyright (c) 2018 Kohei Takahashi
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#include <boost/fusion/sequence/intrinsic/at.hpp>
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#include <boost/fusion/sequence/intrinsic/at_key.hpp>
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#include <boost/fusion/container/vector.hpp>
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#include <boost/fusion/container/list.hpp>
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#include <boost/fusion/container/deque.hpp>
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#include <boost/fusion/container/map.hpp>
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#include <boost/fusion/container/set.hpp>
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#include <boost/fusion/tuple/tuple.hpp>
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#include <boost/core/lightweight_test.hpp>
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template <typename Sequence>
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void test_at()
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{
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Sequence seq;
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// zero initialized
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BOOST_TEST(boost::fusion::at_c<0>(seq)[0] == 0);
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BOOST_TEST(boost::fusion::at_c<0>(seq)[1] == 0);
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BOOST_TEST(boost::fusion::at_c<0>(seq)[2] == 0);
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int (&arr)[3] = boost::fusion::deref(boost::fusion::begin(seq));
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arr[0] = 2;
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arr[1] = 4;
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arr[2] = 6;
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BOOST_TEST(boost::fusion::at_c<0>(seq)[0] == 2);
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BOOST_TEST(boost::fusion::at_c<0>(seq)[1] == 4);
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BOOST_TEST(boost::fusion::at_c<0>(seq)[2] == 6);
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boost::fusion::at_c<0>(seq)[1] = 42;
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BOOST_TEST(boost::fusion::at_c<0>(seq)[0] == 2);
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BOOST_TEST(boost::fusion::at_c<0>(seq)[1] == 42);
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BOOST_TEST(boost::fusion::at_c<0>(seq)[2] == 6);
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}
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template <typename T> inline T& value(T& v) { return v; }
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template <typename K, typename T> inline T& value(boost::fusion::pair<K, T>& v) { return v.second; }
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template <typename Sequence>
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void test_at_key()
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{
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Sequence seq;
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// zero initialized
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BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[0] == 0);
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BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[1] == 0);
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BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[2] == 0);
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int (&arr)[3] = value(boost::fusion::deref(boost::fusion::begin(seq)));
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arr[0] = 2;
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arr[1] = 4;
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arr[2] = 6;
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BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[0] == 2);
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BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[1] == 4);
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BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[2] == 6);
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boost::fusion::at_key<int[3]>(seq)[1] = 42;
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BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[0] == 2);
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BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[1] == 42);
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BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[2] == 6);
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}
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int main()
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{
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using namespace boost::fusion;
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test_at<vector<int[3]> >();
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test_at<deque<int[3]> >();
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test_at<list<int[3]> >();
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test_at<tuple<int[3]> >();
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#if !BOOST_WORKAROUND(BOOST_GCC, / 100 == 406) || defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS)
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// FIXME: gcc 4.6 w/ c++0x doesn't like set with array...
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test_at_key<set<int[3]> >();
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#endif
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test_at_key<map<pair<int[3], int[3]> > >();
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return boost::report_errors();
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}
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