1 | // |
2 | // Test for boost/iterator.hpp |
3 | // |
4 | // Copyright 2014 Peter Dimov |
5 | // |
6 | // Distributed under the Boost Software License, Version 1.0. |
7 | // See accompanying file LICENSE_1_0.txt or copy at |
8 | // http://www.boost.org/LICENSE_1_0.txt |
9 | // |
10 | |
11 | #define |
12 | #define _SILENCE_CXX17_ITERATOR_BASE_CLASS_DEPRECATION_WARNING |
13 | |
14 | #include <boost/config.hpp> |
15 | |
16 | // std::iterator template is deprecated in C++17. Some standard libraries emit warnings |
17 | // that cannot be easily suppressed, so disable the tests in C++17 onwards. |
18 | #if BOOST_CXX_VERSION < 201703 |
19 | |
20 | #include <boost/iterator.hpp> |
21 | #include <boost/core/lightweight_test_trait.hpp> |
22 | #include <boost/type_traits/is_same.hpp> |
23 | |
24 | /* |
25 | |
26 | template< class Category, class T, |
27 | class Distance = ptrdiff_t, |
28 | class Pointer = T*, |
29 | class Reference = T&> |
30 | struct iterator |
31 | { |
32 | typedef T value_type; |
33 | typedef Distance difference_type; |
34 | typedef Pointer pointer; |
35 | typedef Reference reference; |
36 | typedef Category iterator_category; |
37 | }; |
38 | |
39 | */ |
40 | |
41 | struct C |
42 | { |
43 | }; |
44 | |
45 | struct T |
46 | { |
47 | }; |
48 | |
49 | struct D |
50 | { |
51 | }; |
52 | |
53 | struct P |
54 | { |
55 | }; |
56 | |
57 | struct R |
58 | { |
59 | }; |
60 | |
61 | int main() |
62 | { |
63 | using boost::is_same; |
64 | |
65 | BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T,D,P,R>::iterator_category,C>)); |
66 | BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T,D,P,R>::value_type,T>)); |
67 | BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T,D,P,R>::difference_type,D>)); |
68 | BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T,D,P,R>::pointer,P>)); |
69 | BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T,D,P,R>::reference,R>)); |
70 | |
71 | BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T>::iterator_category,C>)); |
72 | BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T>::value_type,T>)); |
73 | BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T>::difference_type,std::ptrdiff_t>)); |
74 | BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T>::pointer,T*>)); |
75 | BOOST_TEST_TRAIT_TRUE((is_same<boost::iterator<C,T>::reference,T&>)); |
76 | |
77 | return boost::report_errors(); |
78 | } |
79 | |
80 | #else // BOOST_CXX_VERSION < 201703 |
81 | |
82 | int main() |
83 | { |
84 | } |
85 | |
86 | #endif // BOOST_CXX_VERSION < 201703 |
87 | |