91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
/*=============================================================================
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Copyright (c) 1999-2003 Jaakko Jarvi
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Copyright (c) 2001-2011 Joel de Guzman
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Copyright (c) 2006 Dan Marsden
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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/container/map/map.hpp>
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#include <boost/fusion/container/generation/make_map.hpp>
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#include <boost/fusion/container/generation/map_tie.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <boost/fusion/sequence/intrinsic/at.hpp>
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#include <boost/fusion/mpl.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/mpl/insert_range.hpp>
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#include <boost/mpl/vector.hpp>
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#include <boost/mpl/begin.hpp>
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#include <boost/mpl/equal.hpp>
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#include <boost/static_assert.hpp>
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#include <string>
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struct k1 {};
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struct k2 {};
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struct k3 {};
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struct k4 {};
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namespace test_detail
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{
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// classes with different kinds of conversions
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class AA {};
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class BB : public AA {};
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struct CC { CC() {} CC(const BB&) {} };
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struct DD { operator CC() const { return CC(); }; };
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}
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boost::fusion::map<
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boost::fusion::pair<k1, double>,
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boost::fusion::pair<k2, double>,
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boost::fusion::pair<k3, double>,
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boost::fusion::pair<k4, double>
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>
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foo(int i)
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{
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return boost::fusion::make_map<k1, k2, k3, k4>(i, i+1, i+2, i+3);
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}
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void
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test()
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{
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using namespace boost::fusion;
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using namespace test_detail;
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map<pair<k1, int>, pair<k2, char> > t1(4, 'a');
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map<pair<k1, int>, pair<k2, char> > t2(5, 'b');
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t2 = t1;
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BOOST_TEST(at_c<0>(t1).second == at_c<0>(t2).second);
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BOOST_TEST(at_c<1>(t1).second == at_c<1>(t2).second);
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map<pair<k1, int>, pair<k2, char const*> > t4(4, "a");
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map<pair<k1, long>, pair<k2, std::string> > t3(2, std::string("a"));
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t3 = t4;
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BOOST_TEST((double)at_c<0>(t4).second == at_c<0>(t3).second);
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BOOST_TEST(at_c<1>(t4).second == at_c<1>(t3).second);
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// testing copy and assignment with implicit conversions
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// between elements testing tie
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map<pair<k1, char>, pair<k2, BB*>, pair<k3, BB>, pair<k4, DD> > t;
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map<pair<k1, int>, pair<k2, AA*>, pair<k3, CC>, pair<k4, CC> > a(t);
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a = t;
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int i; char c; double d;
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map_tie<k1, k2, k3>(i, c, d) = make_map<k1, k2, k3>(1, 'a', 5.5);
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BOOST_TEST(i==1);
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BOOST_TEST(c=='a');
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BOOST_TEST(d>5.4 && d<5.6);
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// returning a map with conversion
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foo(2);
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}
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int
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main()
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{
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test();
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return boost::report_errors();
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}
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