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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
//
// Copyright (c) 2022 Dmitry Arkhipov (grisumbras@yandex.ru)
//
// 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)
//
// Official repository: https://github.com/boostorg/json
//
// test that header file is self-contained
#include <boost/json/conversion.hpp>
// test that header file is header-guarded properly
#include <boost/json/conversion.hpp>
#include <boost/core/detail/static_assert.hpp>
#include <boost/describe/enum.hpp>
#include <boost/describe/class.hpp>
#include "test.hpp"
#include "test_suite.hpp"
#ifdef __clang__
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wunused-private-field"
#endif
namespace
{
struct pseudo_string1
{
operator boost::json::string_view();
};
struct pseudo_string2 : pseudo_string1
{ };
struct pseudo_sequence1
{
int* begin();
int* end();
};
struct pseudo_sequence2 : pseudo_sequence1
{ };
struct pseudo_tuple1
{ };
struct pseudo_tuple2
{ };
template<class Key>
struct pseudo_map1
{
std::pair<Key, int>* begin();
std::pair<Key, int>* end();
std::pair< std::pair<Key, int>*, bool >
emplace(std::pair<Key, int>);
};
template<class Key>
struct pseudo_multimap1
{
std::pair<Key, int>* begin();
std::pair<Key, int>* end();
std::pair<Key, int>*
emplace(std::pair<Key, int>);
};
struct my_null { };
struct described1 { int n1; };
BOOST_DESCRIBE_STRUCT(described1, (), (n1))
struct described2 : described1 { int n2; };
BOOST_DESCRIBE_STRUCT(described2, (described1), (n2))
struct described3 : private described1 { int n3; };
BOOST_DESCRIBE_STRUCT(described3, (described1), (n3))
struct described4 : protected described1 { };
BOOST_DESCRIBE_STRUCT(described4, (described1), ())
struct described5 : private described2, protected described3 { };
BOOST_DESCRIBE_STRUCT(described5, (), ())
struct described6
{
int n;
private:
int m;
};
BOOST_DESCRIBE_STRUCT(described6, (), (n))
struct described7
{
int n;
private:
int m;
BOOST_DESCRIBE_CLASS(described7, (), (n), (), (m))
};
struct described8
{
int n;
protected:
int m;
BOOST_DESCRIBE_CLASS(described8, (), (n), (m), ())
};
union described9
{
int n;
};
BOOST_DESCRIBE_STRUCT(described9, (), (n))
struct base1 {};
BOOST_DESCRIBE_STRUCT(base1, (), ())
struct base2 : private base1 {};
BOOST_DESCRIBE_STRUCT(base2, (base1), ())
struct described10 : base2 {};
BOOST_DESCRIBE_STRUCT(described10, (base2), ())
enum class described_enum { e };
BOOST_DESCRIBE_ENUM(described_enum, e)
enum class undescribed_enum { };
} // namespace
namespace std
{
// some versions of libstdc++ forward-declare tuple_size as class
#if defined(__clang__) || ( defined(__GNUC__) && __GNUC__ >= 10 )
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wmismatched-tags"
#endif
template<>
struct tuple_size<pseudo_tuple1> : std::integral_constant<std::size_t, 2>
{ };
#if defined(__clang__) || ( defined(__GNUC__) && __GNUC__ >= 10 )
# pragma GCC diagnostic pop
#endif
} // namespace std
namespace boost {
namespace json {
template <>
struct is_string_like<pseudo_string2> : std::false_type
{ };
template <>
struct is_sequence_like<pseudo_sequence2> : std::false_type
{ };
template <>
struct is_tuple_like<pseudo_tuple2> : std::false_type
{ };
template <>
struct is_null_like<my_null> : std::true_type
{ };
class conversion_test
{
public:
void
run()
{
BOOST_CORE_STATIC_ASSERT( is_string_like<pseudo_string1>::value );
BOOST_CORE_STATIC_ASSERT( !is_string_like<pseudo_string2>::value );
BOOST_CORE_STATIC_ASSERT( is_sequence_like<pseudo_sequence1>::value );
BOOST_CORE_STATIC_ASSERT( !is_sequence_like<pseudo_sequence2>::value );
BOOST_CORE_STATIC_ASSERT( is_tuple_like<pseudo_tuple1>::value );
BOOST_CORE_STATIC_ASSERT( !is_tuple_like<pseudo_tuple2>::value );
BOOST_CORE_STATIC_ASSERT(
is_map_like< pseudo_map1<pseudo_string1> >::value );
BOOST_CORE_STATIC_ASSERT(
!is_map_like< pseudo_map1<pseudo_string2> >::value );
BOOST_CORE_STATIC_ASSERT(
!is_map_like< pseudo_multimap1<pseudo_string1> >::value );
BOOST_CORE_STATIC_ASSERT( is_null_like<std::nullptr_t>::value );
BOOST_CORE_STATIC_ASSERT( is_null_like<my_null>::value );
#ifdef BOOST_DESCRIBE_CXX14
BOOST_CORE_STATIC_ASSERT( is_described_class<described1>::value );
BOOST_CORE_STATIC_ASSERT( is_described_class<described2>::value );
BOOST_CORE_STATIC_ASSERT( is_described_class<described5>::value );
BOOST_CORE_STATIC_ASSERT( is_described_class<described6>::value );
BOOST_CORE_STATIC_ASSERT( !is_described_class<my_null>::value );
BOOST_CORE_STATIC_ASSERT( !is_described_class<described3>::value );
BOOST_CORE_STATIC_ASSERT( !is_described_class<described4>::value );
BOOST_CORE_STATIC_ASSERT( !is_described_class<described7>::value );
BOOST_CORE_STATIC_ASSERT( !is_described_class<described8>::value );
BOOST_CORE_STATIC_ASSERT( !is_described_class<described9>::value );
BOOST_CORE_STATIC_ASSERT( is_described_enum<described_enum>::value );
BOOST_CORE_STATIC_ASSERT( !is_described_enum<my_null>::value );
BOOST_CORE_STATIC_ASSERT( !is_described_enum<described1>::value );
BOOST_CORE_STATIC_ASSERT(
!is_described_enum<undescribed_enum>::value);
#endif
BOOST_CORE_STATIC_ASSERT((
std::is_same<
detail::forwarded_value< std::vector<int>& >,
int& >::value ));
BOOST_CORE_STATIC_ASSERT((
std::is_same<
detail::forwarded_value< std::vector<int> const& >,
int const& >::value ));
BOOST_CORE_STATIC_ASSERT((
std::is_same<
detail::forwarded_value< std::vector<int>&& >,
int >::value ));
BOOST_CORE_STATIC_ASSERT((
std::is_same<
detail::forwarded_value< std::vector<bool>& >,
bool >::value ));
}
};
TEST_SUITE(conversion_test, "boost.json.conversion");
} // namespace json
} // namespace boost
|
