1 | // Boost.Range library |
2 | // |
3 | // Copyright Thorsten Ottosen 2003-2004. Use, modification and |
4 | // distribution is subject to the Boost Software License, Version |
5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
6 | // http://www.boost.org/LICENSE_1_0.txt) |
7 | // |
8 | // For more information, see http://www.boost.org/libs/range/ |
9 | // |
10 | |
11 | |
12 | #include <boost/detail/workaround.hpp> |
13 | |
14 | #if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564)) |
15 | # pragma warn -8091 // suppress warning in Boost.Test |
16 | # pragma warn -8057 // unused argument argc/argv in Boost.Test |
17 | #endif |
18 | |
19 | #include <boost/range.hpp> |
20 | #include <boost/test/test_tools.hpp> |
21 | #include <boost/test/unit_test.hpp> |
22 | #include <boost/static_assert.hpp> |
23 | #include <boost/cstdint.hpp> |
24 | #include <list> |
25 | #include <vector> |
26 | |
27 | namespace boost_range_extension_size_test |
28 | { |
29 | class FooWithoutSize |
30 | { |
31 | typedef std::list<int> impl_t; |
32 | |
33 | BOOST_STATIC_ASSERT(( |
34 | boost::is_same< |
35 | boost::range_size<std::list<int> >::type, |
36 | std::list<int>::size_type |
37 | >::value)); |
38 | |
39 | typedef impl_t::const_iterator const_iterator; |
40 | typedef impl_t::iterator iterator; |
41 | |
42 | public: |
43 | friend inline const_iterator range_begin(const FooWithoutSize& obj) { return obj.m_impl.begin(); } |
44 | friend inline iterator range_begin(FooWithoutSize& obj) { return obj.m_impl.begin(); } |
45 | friend inline const_iterator range_end(const FooWithoutSize& obj) { return obj.m_impl.end(); } |
46 | friend inline iterator range_end(FooWithoutSize& obj){ return obj.m_impl.end(); } |
47 | |
48 | private: |
49 | impl_t m_impl; |
50 | }; |
51 | |
52 | template<typename SizeType> |
53 | class FooWithSize |
54 | { |
55 | public: |
56 | typedef SizeType size_type; |
57 | typedef boost::uint8_t* iterator; |
58 | typedef const boost::uint8_t* const_iterator; |
59 | |
60 | const_iterator begin() const; |
61 | iterator begin(); |
62 | const_iterator end() const; |
63 | iterator end(); |
64 | }; |
65 | |
66 | BOOST_STATIC_ASSERT(( |
67 | boost::is_same< |
68 | boost::uint8_t, |
69 | boost::range_size<FooWithSize<boost::uint8_t> >::type |
70 | >::value |
71 | )); |
72 | |
73 | BOOST_STATIC_ASSERT(( |
74 | boost::is_same< |
75 | boost::uint16_t, |
76 | boost::range_size<FooWithSize<boost::uint16_t> >::type |
77 | >::value |
78 | )); |
79 | |
80 | BOOST_STATIC_ASSERT(( |
81 | boost::is_same< |
82 | boost::uint32_t, |
83 | boost::range_size<FooWithSize<boost::uint32_t> >::type |
84 | >::value |
85 | )); |
86 | |
87 | BOOST_STATIC_ASSERT(( |
88 | boost::is_same< |
89 | boost::uint64_t, |
90 | boost::range_size<FooWithSize<boost::uint64_t> >::type |
91 | >::value |
92 | )); |
93 | |
94 | class UdtSizeType |
95 | { |
96 | public: |
97 | typedef boost::uint16_t value_type; |
98 | |
99 | UdtSizeType() : value_(0) { } |
100 | UdtSizeType(value_type value) : value_(value) { } |
101 | |
102 | operator value_type() const { return value_; } |
103 | |
104 | private: |
105 | value_type value_; |
106 | }; |
107 | |
108 | BOOST_STATIC_ASSERT(( |
109 | boost::is_same< |
110 | UdtSizeType, |
111 | boost::range_size<FooWithSize<UdtSizeType> >::type |
112 | >::value |
113 | )); |
114 | |
115 | class Foo2WithoutSize |
116 | { |
117 | public: |
118 | struct const_iterator |
119 | { |
120 | typedef std::forward_iterator_tag iterator_category; |
121 | typedef boost::int8_t difference_type; |
122 | typedef boost::int16_t value_type; |
123 | typedef value_type* pointer; |
124 | typedef value_type& reference; |
125 | |
126 | reference operator*() const; |
127 | pointer operator->() const; |
128 | const_iterator& operator++(); |
129 | const_iterator operator++(int); |
130 | bool operator==(const const_iterator&) const; |
131 | bool operator!=(const const_iterator&) const; |
132 | }; |
133 | |
134 | struct iterator : const_iterator |
135 | { |
136 | typedef const value_type* pointer; |
137 | typedef const value_type& reference; |
138 | |
139 | reference operator*() const; |
140 | pointer operator->() const; |
141 | |
142 | iterator& operator++(); |
143 | iterator operator++(int); |
144 | |
145 | bool operator==(const iterator&) const; |
146 | bool operator!=(const iterator&) const; |
147 | }; |
148 | |
149 | const_iterator begin() const; |
150 | iterator begin(); |
151 | const_iterator end() const; |
152 | iterator end(); |
153 | }; |
154 | |
155 | BOOST_STATIC_ASSERT(( |
156 | boost::is_same< |
157 | boost::uint8_t, |
158 | boost::range_size< |
159 | ::boost_range_extension_size_test::Foo2WithoutSize>::type |
160 | >::value |
161 | )); |
162 | } |
163 | |
164 | namespace boost |
165 | { |
166 | template<> struct range_iterator<const ::boost_range_extension_size_test::FooWithoutSize> |
167 | { |
168 | typedef std::list<int>::const_iterator type; |
169 | }; |
170 | |
171 | template<> struct range_iterator< ::boost_range_extension_size_test::FooWithoutSize> |
172 | { |
173 | typedef std::list<int>::iterator type; |
174 | }; |
175 | } |
176 | |
177 | namespace boost_range_extension_size_test |
178 | { |
179 | inline boost::range_size<FooWithoutSize>::type |
180 | range_calculate_size(const FooWithoutSize& rng) |
181 | { |
182 | return 2u; |
183 | } |
184 | } |
185 | |
186 | BOOST_STATIC_ASSERT(( |
187 | boost::is_same< |
188 | boost::make_unsigned<std::ptrdiff_t>::type, |
189 | boost::range_size< |
190 | boost_range_extension_size_test::FooWithoutSize>::type |
191 | >::value |
192 | )); |
193 | |
194 | typedef boost::make_unsigned<std::ptrdiff_t>::type t1; |
195 | typedef boost::range_size<boost_range_extension_size_test::FooWithoutSize>::type t1; |
196 | |
197 | namespace |
198 | { |
199 | |
200 | void check_size_works_with_random_access() |
201 | { |
202 | std::vector<int> container; |
203 | container.push_back(x: 1); |
204 | BOOST_CHECK_EQUAL( boost::size(container), 1u ); |
205 | } |
206 | |
207 | void check_extension_size() |
208 | { |
209 | BOOST_CHECK_EQUAL( boost::size(boost_range_extension_size_test::FooWithoutSize()), 2u ); |
210 | } |
211 | |
212 | } // anonymous namespace |
213 | |
214 | using boost::unit_test::test_suite; |
215 | |
216 | test_suite* init_unit_test_suite( int argc, char* argv[] ) |
217 | { |
218 | test_suite* test = BOOST_TEST_SUITE( "Range Test Suite" ); |
219 | |
220 | test->add( BOOST_TEST_CASE( &check_size_works_with_random_access )); |
221 | test->add( BOOST_TEST_CASE( &check_extension_size ) ); |
222 | |
223 | return test; |
224 | } |
225 | |