123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168 |
- // 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/tuple.hpp>
- #include <boost/type_erasure/builtin.hpp>
- #include <boost/type_erasure/operators.hpp>
- #include <boost/type_erasure/any_cast.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>
- > {};
- BOOST_AUTO_TEST_CASE(test_value_to_value)
- {
- typedef ::boost::mpl::vector<common<> > test_concept;
- any<test_concept> x(2);
- BOOST_CHECK_EQUAL(any_cast<int>(x), 2);
- BOOST_CHECK_THROW(any_cast<double>(x), bad_any_cast);
- const any<test_concept> y(x);
- BOOST_CHECK_EQUAL(any_cast<int>(y), 2);
- BOOST_CHECK_THROW(any_cast<double>(y), bad_any_cast);
- }
- BOOST_AUTO_TEST_CASE(test_value_to_ref)
- {
- typedef ::boost::mpl::vector<common<> > test_concept;
- any<test_concept> x(2);
- BOOST_CHECK_EQUAL(any_cast<int&>(x), 2);
- BOOST_CHECK_EQUAL(any_cast<const int&>(x), 2);
- BOOST_CHECK_THROW(any_cast<double&>(x), bad_any_cast);
- BOOST_CHECK_THROW(any_cast<const double&>(x), bad_any_cast);
- const any<test_concept> y(x);
- // BOOST_CHECK_EQUAL(any_cast<int&>(y), 2);
- BOOST_CHECK_EQUAL(any_cast<const int&>(y), 2);
- // BOOST_CHECK_THROW(any_cast<double&>(y), bad_any_cast);
- BOOST_CHECK_THROW(any_cast<const double&>(y), bad_any_cast);
- }
- BOOST_AUTO_TEST_CASE(test_value_to_pointer)
- {
- typedef ::boost::mpl::vector<common<> > test_concept;
- any<test_concept> x(2);
- BOOST_CHECK_EQUAL(*any_cast<int*>(&x), 2);
- BOOST_CHECK_EQUAL(*any_cast<const int*>(&x), 2);
- BOOST_CHECK_EQUAL(any_cast<void*>(&x), any_cast<int*>(&x));
- BOOST_CHECK_EQUAL(any_cast<const void*>(&x), any_cast<const int*>(&x));
- BOOST_CHECK_EQUAL(any_cast<double*>(&x), (double*)0);
- BOOST_CHECK_EQUAL(any_cast<const double*>(&x), (double*)0);
- const any<test_concept> y(x);
- // BOOST_CHECK_EQUAL(*any_cast<int*>(&y), 2);
- BOOST_CHECK_EQUAL(*any_cast<const int*>(&y), 2);
- // BOOST_CHECK_EQUAL(any_cast<void*>(&y), any_cast<int*>(&y));
- BOOST_CHECK_EQUAL(any_cast<const void*>(&y), any_cast<const int*>(&y));
- // BOOST_CHECK_EQUAL(any_cast<double*>(&y), (double*)0);
- BOOST_CHECK_EQUAL(any_cast<const double*>(&y), (double*)0);
- }
- BOOST_AUTO_TEST_CASE(test_ref_to_value)
- {
- typedef ::boost::mpl::vector<common<> > test_concept;
- int i = 2;
- any<test_concept, _self&> x(i);
- BOOST_CHECK_EQUAL(any_cast<int>(x), 2);
- BOOST_CHECK_THROW(any_cast<double>(x), bad_any_cast);
- const any<test_concept, _self&> y(x);
- BOOST_CHECK_EQUAL(any_cast<int>(y), 2);
- BOOST_CHECK_THROW(any_cast<double>(y), bad_any_cast);
- }
- BOOST_AUTO_TEST_CASE(test_ref_to_ref)
- {
- typedef ::boost::mpl::vector<common<> > test_concept;
- int i = 2;
- any<test_concept, _self&> x(i);
- BOOST_CHECK_EQUAL(any_cast<int&>(x), 2);
- BOOST_CHECK_EQUAL(any_cast<const int&>(x), 2);
- BOOST_CHECK_THROW(any_cast<double&>(x), bad_any_cast);
- BOOST_CHECK_THROW(any_cast<const double&>(x), bad_any_cast);
- const any<test_concept, _self&> y(x);
- BOOST_CHECK_EQUAL(any_cast<int&>(y), 2);
- BOOST_CHECK_EQUAL(any_cast<const int&>(y), 2);
- BOOST_CHECK_THROW(any_cast<double&>(y), bad_any_cast);
- BOOST_CHECK_THROW(any_cast<const double&>(y), bad_any_cast);
- }
- BOOST_AUTO_TEST_CASE(test_ref_to_pointer)
- {
- typedef ::boost::mpl::vector<common<> > test_concept;
- int i = 2;
- any<test_concept, _self&> x(i);
- BOOST_CHECK_EQUAL(*any_cast<int*>(&x), 2);
- BOOST_CHECK_EQUAL(*any_cast<const int*>(&x), 2);
- BOOST_CHECK_EQUAL(any_cast<void*>(&x), any_cast<int*>(&x));
- BOOST_CHECK_EQUAL(any_cast<const void*>(&x), any_cast<const int*>(&x));
- BOOST_CHECK_EQUAL(any_cast<double*>(&x), (double*)0);
- BOOST_CHECK_EQUAL(any_cast<const double*>(&x), (double*)0);
- const any<test_concept, _self&> y(x);
- BOOST_CHECK_EQUAL(*any_cast<int*>(&y), 2);
- BOOST_CHECK_EQUAL(*any_cast<const int*>(&y), 2);
- BOOST_CHECK_EQUAL(any_cast<void*>(&y), any_cast<int*>(&y));
- BOOST_CHECK_EQUAL(any_cast<const void*>(&y), any_cast<const int*>(&y));
- BOOST_CHECK_EQUAL(any_cast<double*>(&y), (double*)0);
- BOOST_CHECK_EQUAL(any_cast<const double*>(&y), (double*)0);
- }
- BOOST_AUTO_TEST_CASE(test_cref_to_value)
- {
- typedef ::boost::mpl::vector<common<> > test_concept;
- int i = 2;
- any<test_concept, const _self&> x(i);
- BOOST_CHECK_EQUAL(any_cast<int>(x), 2);
- BOOST_CHECK_THROW(any_cast<double>(x), bad_any_cast);
- const any<test_concept, const _self&> y(x);
- BOOST_CHECK_EQUAL(any_cast<int>(y), 2);
- BOOST_CHECK_THROW(any_cast<double>(y), bad_any_cast);
- }
- BOOST_AUTO_TEST_CASE(test_cref_to_ref)
- {
- typedef ::boost::mpl::vector<common<> > test_concept;
- int i = 2;
- any<test_concept, const _self&> x(i);
- // BOOST_CHECK_EQUAL(any_cast<int&>(x), 2);
- BOOST_CHECK_EQUAL(any_cast<const int&>(x), 2);
- // BOOST_CHECK_THROW(any_cast<double&>(x), bad_any_cast);
- BOOST_CHECK_THROW(any_cast<const double&>(x), bad_any_cast);
- const any<test_concept, const _self&> y(x);
- // BOOST_CHECK_EQUAL(any_cast<int&>(y), 2);
- BOOST_CHECK_EQUAL(any_cast<const int&>(y), 2);
- // BOOST_CHECK_THROW(any_cast<double&>(y), bad_any_cast);
- BOOST_CHECK_THROW(any_cast<const double&>(y), bad_any_cast);
- }
- BOOST_AUTO_TEST_CASE(test_cref_to_pointer)
- {
- typedef ::boost::mpl::vector<common<> > test_concept;
- int i = 2;
- any<test_concept, const _self&> x(i);
- // BOOST_CHECK_EQUAL(*any_cast<int*>(&x), 2);
- BOOST_CHECK_EQUAL(*any_cast<const int*>(&x), 2);
- // BOOST_CHECK_EQUAL(any_cast<void*>(&x), any_cast<int*>(&x));
- BOOST_CHECK_EQUAL(any_cast<const void*>(&x), any_cast<const int*>(&x));
- // BOOST_CHECK_EQUAL(any_cast<double*>(&x), (double*)0);
- BOOST_CHECK_EQUAL(any_cast<const double*>(&x), (double*)0);
- const any<test_concept, const _self&> y(x);
- // BOOST_CHECK_EQUAL(*any_cast<int*>(&y), 2);
- BOOST_CHECK_EQUAL(*any_cast<const int*>(&y), 2);
- // BOOST_CHECK_EQUAL(any_cast<void*>(&y), any_cast<int*>(&y));
- BOOST_CHECK_EQUAL(any_cast<const void*>(&y), any_cast<const int*>(&y));
- // BOOST_CHECK_EQUAL(any_cast<double*>(&y), (double*)0);
- BOOST_CHECK_EQUAL(any_cast<const double*>(&y), (double*)0);
- }
|