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Diffstat (limited to 'src/boost/libs/fusion/test/sequence/map.cpp')
-rw-r--r-- | src/boost/libs/fusion/test/sequence/map.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/boost/libs/fusion/test/sequence/map.cpp b/src/boost/libs/fusion/test/sequence/map.cpp new file mode 100644 index 000000000..5a130f8b3 --- /dev/null +++ b/src/boost/libs/fusion/test/sequence/map.cpp @@ -0,0 +1,181 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + + Distributed under 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) +==============================================================================*/ +#include <boost/detail/lightweight_test.hpp> +#include <boost/fusion/container/map/map.hpp> +#include <boost/fusion/container/generation/make_map.hpp> +#include <boost/fusion/sequence/intrinsic/at_key.hpp> +#include <boost/fusion/sequence/intrinsic/value_at_key.hpp> +#include <boost/fusion/sequence/intrinsic/has_key.hpp> +#include <boost/fusion/sequence/intrinsic/begin.hpp> +#include <boost/fusion/sequence/io/out.hpp> +#include <boost/fusion/iterator/key_of.hpp> +#include <boost/fusion/iterator/deref_data.hpp> +#include <boost/fusion/iterator/value_of_data.hpp> +#include <boost/fusion/iterator/next.hpp> +#include <boost/fusion/support/pair.hpp> +#include <boost/fusion/support/category_of.hpp> +#include <boost/static_assert.hpp> +#include <boost/mpl/assert.hpp> +#include <boost/mpl/at.hpp> +#include <boost/typeof/typeof.hpp> +#include <iostream> +#include <string> + + +struct copy_all +{ + copy_all() {} + copy_all(copy_all const&) {} + + template <typename T> + copy_all(T const& x) + { + foo(x); // should fail! + } +}; + +struct abstract +{ + virtual void foo() = 0; +}; + +int +main() +{ + using namespace boost::fusion; + using namespace boost; + namespace fusion = boost::fusion; + using boost::fusion::pair; + using boost::fusion::make_pair; + + std::cout << tuple_open('['); + std::cout << tuple_close(']'); + std::cout << tuple_delimiter(", "); + + { + typedef map< + pair<int, char> + , pair<double, std::string> + , pair<abstract, int> > + map_type; + + BOOST_MPL_ASSERT((traits::is_associative<map_type>)); + BOOST_MPL_ASSERT((traits::is_random_access<map_type>)); + + map_type m( + make_pair<int>('X') + , make_pair<double>("Men") + , make_pair<abstract>(2)); + + std::cout << at_key<int>(m) << std::endl; + std::cout << at_key<double>(m) << std::endl; + std::cout << at_key<abstract>(m) << std::endl; + + BOOST_TEST(at_key<int>(m) == 'X'); + BOOST_TEST(at_key<double>(m) == "Men"); + BOOST_TEST(at_key<abstract>(m) == 2); + + BOOST_STATIC_ASSERT(( + boost::is_same<boost::fusion::result_of::value_at_key<map_type, int>::type, char>::value)); + BOOST_STATIC_ASSERT(( + boost::is_same<boost::fusion::result_of::value_at_key<map_type, double>::type, std::string>::value)); + BOOST_STATIC_ASSERT(( + boost::is_same<boost::fusion::result_of::value_at_key<map_type, abstract>::type, int>::value)); + + std::cout << m << std::endl; + + BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<map_type, int>::value)); + BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<map_type, double>::value)); + BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<map_type, abstract>::value)); + BOOST_STATIC_ASSERT((!boost::fusion::result_of::has_key<map_type, std::string>::value)); + + std::cout << deref_data(begin(m)) << std::endl; + std::cout << deref_data(fusion::next(begin(m))) << std::endl; + + BOOST_TEST(deref_data(begin(m)) == 'X'); + BOOST_TEST(deref_data(fusion::next(begin(m))) == "Men"); + BOOST_TEST(deref_data(fusion::next(next(begin(m)))) == 2); + + BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::begin<map_type>::type>::type, int>::value)); + BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::next<boost::fusion::result_of::begin<map_type>::type>::type>::type, double>::value)); + BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::next<boost::fusion::result_of::next<boost::fusion::result_of::begin<map_type>::type>::type>::type>::type, abstract>::value)); + BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::begin<map_type>::type>::type, char>::value)); + BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::next<boost::fusion::result_of::begin<map_type>::type>::type>::type, std::string>::value)); + BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::next<boost::fusion::result_of::next<boost::fusion::result_of::begin<map_type>::type>::type>::type>::type, int>::value)); + + // Test random access interface. + pair<int, char> a = at_c<0>(m); (void) a; + pair<double, std::string> b = at_c<1>(m); + pair<abstract, int> c = at_c<2>(m); + (void)c; + } + + // iterators & random access interface. + { + typedef pair<boost::mpl::int_<0>, std::string> pair0; + typedef pair<boost::mpl::int_<1>, std::string> pair1; + typedef pair<boost::mpl::int_<2>, std::string> pair2; + typedef pair<boost::mpl::int_<3>, std::string> pair3; + typedef pair<boost::mpl::int_<4>, std::string> pair4; + + typedef map< pair0, pair1, pair2, pair3, pair4 > map_type; + map_type m( pair0("zero"), pair1("one"), pair2("two"), pair3("three"), pair4("four") ); + BOOST_AUTO( it0, begin(m) ); + BOOST_TEST((deref(it0) == pair0("zero"))); + BOOST_AUTO( it1, fusion::next(it0) ); + BOOST_TEST((deref(it1) == pair1("one"))); + BOOST_AUTO( it2, fusion::next(it1) ); + BOOST_TEST((deref(it2) == pair2("two"))); + BOOST_AUTO( it3, fusion::next(it2) ); + BOOST_TEST((deref(it3) == pair3("three"))); + BOOST_AUTO( it4, fusion::next(it3) ); + BOOST_TEST((deref(it4) == pair4("four"))); + + BOOST_TEST((deref(fusion::advance_c<4>(it0)) == deref(it4))); + + // Bi-directional + BOOST_TEST((deref(fusion::prior(it4)) == deref(it3) )); + BOOST_TEST((deref(fusion::prior(it3)) == deref(it2) )); + BOOST_TEST((deref(fusion::prior(it2)) == deref(it1) )); + BOOST_TEST((deref(fusion::prior(it1)) == deref(it0) )); + } + + { + std::cout << make_map<char, int>('X', 123) << std::endl; + BOOST_TEST(at_key<char>(make_map<char, int>('X', 123)) == 'X'); + BOOST_TEST(at_key<int>(make_map<char, int>('X', 123)) == 123); + } + + { + // test for copy construction of fusion pairs + // make sure that the correct constructor is called + pair<int, copy_all> p1; + pair<int, copy_all> p2 = p1; + (void)p2; + } + + { + // compile test only + // make sure result_of::deref_data returns a reference + typedef map<pair<float, int> > map_type; + typedef boost::fusion::result_of::begin<map_type>::type i_type; + typedef boost::fusion::result_of::deref_data<i_type>::type r_type; + BOOST_STATIC_ASSERT((boost::is_same<r_type, int&>::value)); + } + + { + // compile test only + // make sure result_of::deref_data is const correct + typedef map<pair<float, int> > const map_type; + typedef boost::fusion::result_of::begin<map_type>::type i_type; + typedef boost::fusion::result_of::deref_data<i_type>::type r_type; + BOOST_STATIC_ASSERT((boost::is_same<r_type, int const&>::value)); + } + + return boost::report_errors(); +} + |