123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184 |
- // Boost.TypeErasure library
- //
- // Copyright 2011 Steven Watanabe
- //
- // 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)
- //
- // $Id$
- #include <boost/type_erasure/any.hpp>
- #include <boost/type_erasure/builtin.hpp>
- #include <boost/type_erasure/operators.hpp>
- #include <boost/type_erasure/any_cast.hpp>
- #include <boost/type_erasure/relaxed.hpp>
- #include <boost/mpl/vector.hpp>
- #define BOOST_TEST_MAIN
- #include <boost/test/unit_test.hpp>
- using namespace boost::type_erasure;
- template<class T = _self>
- struct common : ::boost::mpl::vector<
- copy_constructible<T>,
- typeid_<T>
- > {};
- template<class T>
- T as_rvalue(const T& arg) { return arg; }
- template<class T>
- const T& as_const(const T& arg) { return arg; }
- BOOST_AUTO_TEST_CASE(test_implicit) {
- int i = 4;
- any<common<>, _self&> x = i;
- BOOST_CHECK_EQUAL(any_cast<int*>(&x), &i);
- }
- BOOST_AUTO_TEST_CASE(test_from_int_with_binding)
- {
- typedef ::boost::mpl::vector<common<> > test_concept;
- int i = 4;
- any<test_concept, _self&> x(i, make_binding<boost::mpl::map<boost::mpl::pair<_self, int> > >());
- BOOST_CHECK_EQUAL(any_cast<int*>(&x), &i);
- }
- BOOST_AUTO_TEST_CASE(test_copy)
- {
- typedef ::boost::mpl::vector<typeid_<> > test_concept;
- int i = 4;
- any<test_concept, _self&> x(i);
- BOOST_CHECK_EQUAL(any_cast<int*>(&x), &i);
- any<test_concept, _self&> y(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&y), &i);
- any<test_concept, _self&> z = as_rvalue(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&z), &i);
- any<test_concept, _self&> w = as_const(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&w), &i);
- }
- BOOST_AUTO_TEST_CASE(test_convert)
- {
- typedef ::boost::mpl::vector<common<>, typeid_<> > src_concept;
- typedef ::boost::mpl::vector<typeid_<> > dst_concept;
- int i = 4;
- any<src_concept, _self&> x(i);
- BOOST_CHECK_EQUAL(any_cast<int*>(&x), &i);
- any<dst_concept, _self&> y(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&y), &i);
- any<dst_concept, _self&> z = as_rvalue(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&z), &i);
- any<dst_concept, _self&> w = as_const(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&w), &i);
- }
- BOOST_AUTO_TEST_CASE(test_rebind)
- {
- typedef ::boost::mpl::vector<typeid_<> > src_concept;
- typedef ::boost::mpl::vector<typeid_<_a> > dst_concept;
- int i = 4;
- any<src_concept, _self&> x(i);
- BOOST_CHECK_EQUAL(any_cast<int*>(&x), &i);
- any<dst_concept, _a&> y(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&y), &i);
- any<dst_concept, _a&> z = as_rvalue(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&z), &i);
- any<dst_concept, _a&> w = as_const(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&w), &i);
- }
- BOOST_AUTO_TEST_CASE(test_rebind_and_convert)
- {
- typedef ::boost::mpl::vector<common<>, typeid_<> > src_concept;
- typedef ::boost::mpl::vector<typeid_<_a> > dst_concept;
- int i = 4;
- any<src_concept, _self&> x(i);
- BOOST_CHECK_EQUAL(any_cast<int*>(&x), &i);
- any<dst_concept, _a&> y(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&y), &i);
- any<dst_concept, _a&> z = as_rvalue(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&z), &i);
- any<dst_concept, _a&> w = as_const(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&w), &i);
- }
- BOOST_AUTO_TEST_CASE(test_rebind_and_convert_with_binding)
- {
- typedef ::boost::mpl::vector<common<>, incrementable<> > src_concept;
- typedef ::boost::mpl::vector<common<_a> > dst_concept;
- typedef ::boost::mpl::map<boost::mpl::pair<_a, _self> > map;
- typedef ::boost::mpl::map<boost::mpl::pair<_a, int> > types;
- binding<dst_concept> table(make_binding<types>());
-
- int i = 4;
- any<src_concept, _self&> x(i);
- BOOST_CHECK_EQUAL(any_cast<int*>(&x), &i);
- any<dst_concept, _a&> y(x, make_binding<map>());
- BOOST_CHECK_EQUAL(any_cast<int*>(&y), &i);
- any<dst_concept, _a&> z(x, table);
- BOOST_CHECK_EQUAL(any_cast<int*>(&z), &i);
-
- any<dst_concept, _a&> cy(as_const(x), make_binding<map>());
- BOOST_CHECK_EQUAL(any_cast<int*>(&cy), &i);
- any<dst_concept, _a&> cz(as_const(x), table);
- BOOST_CHECK_EQUAL(any_cast<int*>(&cz), &i);
- }
- BOOST_AUTO_TEST_CASE(test_copy_from_value)
- {
- typedef ::boost::mpl::vector<destructible<>, typeid_<> > test_concept;
- any<test_concept> x(4);
- int* ip = any_cast<int*>(&x);
- any<test_concept, _self&> y(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&y), ip);
- }
- BOOST_AUTO_TEST_CASE(test_convert_from_value)
- {
- typedef ::boost::mpl::vector<common<>, typeid_<> > src_concept;
- typedef ::boost::mpl::vector<typeid_<> > dst_concept;
- any<src_concept> x(4);
- int* ip = any_cast<int*>(&x);
- any<dst_concept, _self&> y(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&y), ip);
- }
- BOOST_AUTO_TEST_CASE(test_rebind_from_value)
- {
- typedef ::boost::mpl::vector<destructible<>, typeid_<> > src_concept;
- typedef ::boost::mpl::vector<destructible<_a>, typeid_<_a> > dst_concept;
- any<src_concept> x(4);
- int* ip = any_cast<int*>(&x);
- any<dst_concept, _a&> y(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&y), ip);
- }
- BOOST_AUTO_TEST_CASE(test_rebind_and_convert_from_value)
- {
- typedef ::boost::mpl::vector<common<>, typeid_<> > src_concept;
- typedef ::boost::mpl::vector<typeid_<_a> > dst_concept;
- any<src_concept> x(4);
- int* ip = any_cast<int*>(&x);
- any<dst_concept, _a&> y(x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&y), ip);
- }
- BOOST_AUTO_TEST_CASE(test_rebind_and_convert_with_binding_from_value)
- {
- typedef ::boost::mpl::vector<common<>, incrementable<> > src_concept;
- typedef ::boost::mpl::vector<common<_a> > dst_concept;
- typedef ::boost::mpl::map<boost::mpl::pair<_a, _self> > map;
- typedef ::boost::mpl::map<boost::mpl::pair<_a, int> > types;
- binding<dst_concept> table(make_binding<types>());
-
- any<src_concept> x(4);
- int* ip = any_cast<int*>(&x);
- any<dst_concept, _a&> y(x, make_binding<map>());
- BOOST_CHECK_EQUAL(any_cast<int*>(&y), ip);
- any<dst_concept, _a&> z(x, table);
- BOOST_CHECK_EQUAL(any_cast<int*>(&z), ip);
- }
|