1 | // Boost.TypeErasure library |
2 | // |
3 | // Copyright 2011 Steven Watanabe |
4 | // |
5 | // Distributed under the Boost Software License Version 1.0. (See |
6 | // accompanying file LICENSE_1_0.txt or copy at |
7 | // http://www.boost.org/LICENSE_1_0.txt) |
8 | // |
9 | // $Id$ |
10 | |
11 | #include <boost/type_erasure/any.hpp> |
12 | #include <boost/type_erasure/builtin.hpp> |
13 | #include <boost/type_erasure/operators.hpp> |
14 | #include <boost/type_erasure/any_cast.hpp> |
15 | #include <boost/mpl/vector.hpp> |
16 | |
17 | #define BOOST_TEST_MAIN |
18 | #include <boost/test/unit_test.hpp> |
19 | |
20 | using namespace boost::type_erasure; |
21 | |
22 | template<class T = _self> |
23 | struct common : ::boost::mpl::vector< |
24 | copy_constructible<T>, |
25 | typeid_<T> |
26 | > {}; |
27 | |
28 | BOOST_AUTO_TEST_CASE(test_basic) |
29 | { |
30 | typedef ::boost::mpl::vector<common<>, subscriptable<int&> > test_concept; |
31 | int i[5]; |
32 | any<test_concept> x(&i[0]); |
33 | BOOST_CHECK_EQUAL(&x[0], &i[0]); |
34 | } |
35 | |
36 | BOOST_AUTO_TEST_CASE(test_basic_const) |
37 | { |
38 | typedef ::boost::mpl::vector<common<>, subscriptable<int&, const _self> > test_concept; |
39 | int i[5]; |
40 | const any<test_concept> x(&i[0]); |
41 | BOOST_CHECK_EQUAL(&x[0], &i[0]); |
42 | } |
43 | |
44 | BOOST_AUTO_TEST_CASE(test_any_result) |
45 | { |
46 | typedef ::boost::mpl::vector<common<>, common<_a>, subscriptable<_a&, const _self> > test_concept; |
47 | typedef ::boost::mpl::map< |
48 | ::boost::mpl::pair<_self, int*>, |
49 | ::boost::mpl::pair<_a, int> |
50 | > types; |
51 | int i[5]; |
52 | any<test_concept> x(&i[0], make_binding<types>()); |
53 | any<test_concept, _a&> y(x[0]); |
54 | BOOST_CHECK_EQUAL(any_cast<int*>(&y), &i[0]); |
55 | } |
56 | |
57 | BOOST_AUTO_TEST_CASE(test_any_result_const) |
58 | { |
59 | typedef ::boost::mpl::vector<common<>, common<_a>, subscriptable<const _a&, const _self> > test_concept; |
60 | typedef ::boost::mpl::map< |
61 | ::boost::mpl::pair<_self, const int*>, |
62 | ::boost::mpl::pair<_a, int> |
63 | > types; |
64 | const int i[5] = { 0, 0, 0, 0, 0 }; |
65 | any<test_concept> x(&i[0], make_binding<types>()); |
66 | any<test_concept, const _a&> y(x[0]); |
67 | BOOST_CHECK_EQUAL(any_cast<const int*>(&y), &i[0]); |
68 | } |
69 | |