-
Notifications
You must be signed in to change notification settings - Fork 22
/
detail.cpp
163 lines (138 loc) · 5.31 KB
/
detail.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
// Copyright (C) 2019 T. Zachary Laine
//
// 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)
#include "ill_formed.hpp"
#include <boost/stl_interfaces/iterator_interface.hpp>
#include <boost/stl_interfaces/view_interface.hpp>
#include <boost/stl_interfaces/sequence_container_interface.hpp>
#include <boost/core/lightweight_test.hpp>
#include <array>
#include <list>
#include <vector>
namespace detail = boost::stl_interfaces::detail;
namespace v1_dtl = boost::stl_interfaces::v1::v1_dtl;
#if BOOST_STL_INTERFACES_USE_CONCEPTS
namespace v2_dtl = boost::stl_interfaces::v2::v2_dtl;
#endif
// iter_difference_t
static_assert(
std::is_same<v1_dtl::iter_difference_t<int *>, std::ptrdiff_t>::value, "");
static_assert(std::is_same<
v1_dtl::iter_difference_t<std::vector<double>::iterator>,
std::vector<double>::difference_type>::value, "");
static_assert(std::is_same<
v1_dtl::iter_difference_t<std::list<double>::iterator>,
std::list<double>::difference_type>::value, "");
struct ridiculous_range
{
int * begin() { return nullptr; }
double end() { return 1.3; }
};
// iterator_t
static_assert(std::is_same<
v1_dtl::iterator_t<std::vector<double>>,
std::vector<double>::iterator>::value, "");
static_assert(std::is_same<
v1_dtl::iterator_t<std::list<double>>,
std::list<double>::iterator>::value, "");
static_assert(std::is_same<v1_dtl::iterator_t<ridiculous_range>, int *>::value, "");
// sentinel_t
static_assert(std::is_same<
v1_dtl::sentinel_t<std::vector<double>>,
std::vector<double>::iterator>::value, "");
static_assert(std::is_same<
v1_dtl::sentinel_t<std::list<double>>,
std::list<double>::iterator>::value, "");
static_assert(std::is_same<v1_dtl::sentinel_t<ridiculous_range>, double>::value, "");
// range_difference_t
static_assert(
std::is_same<
v1_dtl::range_difference_t<std::vector<double>>,
std::iterator_traits<std::vector<double>::iterator>::difference_type>::value, "");
static_assert(
std::is_same<
v1_dtl::range_difference_t<std::list<double>>,
std::iterator_traits<std::list<double>::iterator>::difference_type>::value, "");
static_assert(std::is_same<
v1_dtl::range_difference_t<ridiculous_range>,
std::ptrdiff_t>::value, "");
// common_range
static_assert(v1_dtl::common_range<std::vector<double>>::value, "");
static_assert(v1_dtl::common_range<std::list<double>>::value, "");
static_assert(!v1_dtl::common_range<ridiculous_range>::value, "");
// iterator_category_base
template<typename T>
using nested_iterator_category = typename T::iterator_category;
#if BOOST_STL_INTERFACES_USE_CONCEPTS
static_assert(
ill_formed<
nested_iterator_category,
v2_dtl::iterator_category_base<std::input_iterator_tag, int &>>{});
static_assert(ill_formed<
nested_iterator_category,
v2_dtl::iterator_category_base<std::input_iterator_tag, int>>{});
static_assert(
ill_formed<
nested_iterator_category,
v2_dtl::iterator_category_base<std::output_iterator_tag, int &>>{});
static_assert(ill_formed<
nested_iterator_category,
v2_dtl::iterator_category_base<std::output_iterator_tag, int>>{});
static_assert(std::is_same<
nested_iterator_category<v2_dtl::iterator_category_base<
std::random_access_iterator_tag,
int &>>,
std::random_access_iterator_tag>::value);
static_assert(std::is_same<
nested_iterator_category<v2_dtl::iterator_category_base<
std::random_access_iterator_tag,
int>>,
std::input_iterator_tag>::value);
static_assert(std::is_same<
nested_iterator_category<v2_dtl::iterator_category_base<
std::bidirectional_iterator_tag,
int &>>,
std::bidirectional_iterator_tag>::value);
static_assert(std::is_same<
nested_iterator_category<v2_dtl::iterator_category_base<
std::bidirectional_iterator_tag,
int>>,
std::input_iterator_tag>::value);
static_assert(
std::is_same<
nested_iterator_category<
v2_dtl::iterator_category_base<std::forward_iterator_tag, int &>>,
std::forward_iterator_tag>::value);
static_assert(
std::is_same<
nested_iterator_category<
v2_dtl::iterator_category_base<std::forward_iterator_tag, int>>,
std::input_iterator_tag>::value);
#endif
struct no_clear
{};
int main()
{
{
{
no_clear nc;
v1_dtl::clear_impl<no_clear>::call(nc);
}
{
std::vector<int> vec(10);
v1_dtl::clear_impl<std::vector<int>>::call(vec);
BOOST_TEST(vec.empty());
}
}
{
std::array<int, 5> ints = {{0, 1, 2, 3, 4}};
int const new_value = 6;
detail::n_iter<int, int> first = detail::make_n_iter(new_value, 3);
detail::n_iter<int, int> last = detail::make_n_iter_end(new_value, 3);
std::copy(first, last, &ints[1]);
BOOST_TEST(ints == (std::array<int, 5>{{0, 6, 6, 6, 4}}));
}
return boost::report_errors();
}