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1 | |
2 | // Copyright 2015, 2017 Peter Dimov. | |
3 | // | |
4 | // Distributed under the Boost Software License, Version 1.0. | |
5 | // | |
6 | // See accompanying file LICENSE_1_0.txt or copy at | |
7 | // http://www.boost.org/LICENSE_1_0.txt | |
8 | ||
9 | ||
10 | #include <boost/mp11/tuple.hpp> | |
11 | #include <boost/core/lightweight_test.hpp> | |
12 | #include <boost/config.hpp> | |
13 | #include <boost/detail/workaround.hpp> | |
14 | #include <tuple> | |
15 | #include <memory> | |
16 | #include <utility> | |
17 | #include <array> | |
18 | ||
19 | struct T1 | |
20 | { | |
21 | int x, y, z; | |
22 | ||
23 | T1( int x = 0, int y = 0, int z = 0 ): x(x), y(y), z(z) {} | |
24 | }; | |
25 | ||
26 | struct T2 | |
27 | { | |
28 | std::unique_ptr<int> x, y, z; | |
29 | ||
30 | T2( std::unique_ptr<int> x, std::unique_ptr<int> y, std::unique_ptr<int> z ): x(std::move(x)), y(std::move(y)), z(std::move(z)) {} | |
31 | ||
32 | #if BOOST_WORKAROUND( BOOST_MSVC, <= 1800 ) | |
33 | ||
34 | T2( T2&& r ): x( std::move(r.x) ), y( std::move(r.y) ), z( std::move(r.z) ) {} | |
35 | ||
36 | #endif | |
37 | }; | |
38 | ||
39 | int main() | |
40 | { | |
41 | using boost::mp11::construct_from_tuple; | |
42 | ||
43 | { | |
44 | std::tuple<int, short, char> tp{ 1, 2, 3 }; | |
45 | ||
46 | { | |
47 | T1 t1 = construct_from_tuple<T1>( tp ); | |
48 | ||
49 | BOOST_TEST_EQ( t1.x, 1 ); | |
50 | BOOST_TEST_EQ( t1.y, 2 ); | |
51 | BOOST_TEST_EQ( t1.z, 3 ); | |
52 | } | |
53 | ||
54 | { | |
55 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
56 | ||
57 | BOOST_TEST_EQ( t1.x, 1 ); | |
58 | BOOST_TEST_EQ( t1.y, 2 ); | |
59 | BOOST_TEST_EQ( t1.z, 3 ); | |
60 | } | |
61 | } | |
62 | ||
63 | { | |
64 | std::tuple<int, short, char> const tp{ 1, 2, 3 }; | |
65 | ||
66 | { | |
67 | T1 t1 = construct_from_tuple<T1>( tp ); | |
68 | ||
69 | BOOST_TEST_EQ( t1.x, 1 ); | |
70 | BOOST_TEST_EQ( t1.y, 2 ); | |
71 | BOOST_TEST_EQ( t1.z, 3 ); | |
72 | } | |
73 | ||
74 | { | |
75 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
76 | ||
77 | BOOST_TEST_EQ( t1.x, 1 ); | |
78 | BOOST_TEST_EQ( t1.y, 2 ); | |
79 | BOOST_TEST_EQ( t1.z, 3 ); | |
80 | } | |
81 | } | |
82 | ||
83 | #if defined( __clang_major__ ) && __clang_major__ == 3 && __clang_minor__ < 8 | |
84 | #else | |
85 | ||
86 | { | |
87 | std::tuple<std::unique_ptr<int>, std::unique_ptr<int>, std::unique_ptr<int>> tp{ std::unique_ptr<int>(new int(1)), std::unique_ptr<int>(new int(2)), std::unique_ptr<int>(new int(3)) }; | |
88 | ||
89 | T2 t2 = construct_from_tuple<T2>( std::move(tp) ); | |
90 | ||
91 | BOOST_TEST_EQ( *t2.x, 1 ); | |
92 | BOOST_TEST_EQ( *t2.y, 2 ); | |
93 | BOOST_TEST_EQ( *t2.z, 3 ); | |
94 | } | |
95 | ||
96 | #endif | |
97 | ||
98 | { | |
99 | std::pair<int, short> tp{ 1, 2 }; | |
100 | ||
101 | { | |
102 | T1 t1 = construct_from_tuple<T1>( tp ); | |
103 | ||
104 | BOOST_TEST_EQ( t1.x, 1 ); | |
105 | BOOST_TEST_EQ( t1.y, 2 ); | |
106 | BOOST_TEST_EQ( t1.z, 0 ); | |
107 | } | |
108 | ||
109 | { | |
110 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
111 | ||
112 | BOOST_TEST_EQ( t1.x, 1 ); | |
113 | BOOST_TEST_EQ( t1.y, 2 ); | |
114 | BOOST_TEST_EQ( t1.z, 0 ); | |
115 | } | |
116 | } | |
117 | ||
118 | { | |
119 | std::pair<int, short> const tp{ 1, 2 }; | |
120 | ||
121 | { | |
122 | T1 t1 = construct_from_tuple<T1>( tp ); | |
123 | ||
124 | BOOST_TEST_EQ( t1.x, 1 ); | |
125 | BOOST_TEST_EQ( t1.y, 2 ); | |
126 | BOOST_TEST_EQ( t1.z, 0 ); | |
127 | } | |
128 | ||
129 | { | |
130 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
131 | ||
132 | BOOST_TEST_EQ( t1.x, 1 ); | |
133 | BOOST_TEST_EQ( t1.y, 2 ); | |
134 | BOOST_TEST_EQ( t1.z, 0 ); | |
135 | } | |
136 | } | |
137 | ||
138 | { | |
139 | std::array<int, 3> tp{{ 1, 2, 3 }}; | |
140 | ||
141 | { | |
142 | T1 t1 = construct_from_tuple<T1>( tp ); | |
143 | ||
144 | BOOST_TEST_EQ( t1.x, 1 ); | |
145 | BOOST_TEST_EQ( t1.y, 2 ); | |
146 | BOOST_TEST_EQ( t1.z, 3 ); | |
147 | } | |
148 | ||
149 | { | |
150 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
151 | ||
152 | BOOST_TEST_EQ( t1.x, 1 ); | |
153 | BOOST_TEST_EQ( t1.y, 2 ); | |
154 | BOOST_TEST_EQ( t1.z, 3 ); | |
155 | } | |
156 | } | |
157 | ||
158 | { | |
159 | std::array<int, 3> const tp{{ 1, 2, 3 }}; | |
160 | ||
161 | { | |
162 | T1 t1 = construct_from_tuple<T1>( tp ); | |
163 | ||
164 | BOOST_TEST_EQ( t1.x, 1 ); | |
165 | BOOST_TEST_EQ( t1.y, 2 ); | |
166 | BOOST_TEST_EQ( t1.z, 3 ); | |
167 | } | |
168 | ||
169 | { | |
170 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
171 | ||
172 | BOOST_TEST_EQ( t1.x, 1 ); | |
173 | BOOST_TEST_EQ( t1.y, 2 ); | |
174 | BOOST_TEST_EQ( t1.z, 3 ); | |
175 | } | |
176 | } | |
177 | ||
178 | { | |
179 | std::tuple<> tp; | |
180 | ||
181 | { | |
182 | T1 t1 = construct_from_tuple<T1>( tp ); | |
183 | ||
184 | BOOST_TEST_EQ( t1.x, 0 ); | |
185 | BOOST_TEST_EQ( t1.y, 0 ); | |
186 | BOOST_TEST_EQ( t1.z, 0 ); | |
187 | } | |
188 | ||
189 | { | |
190 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
191 | ||
192 | BOOST_TEST_EQ( t1.x, 0 ); | |
193 | BOOST_TEST_EQ( t1.y, 0 ); | |
194 | BOOST_TEST_EQ( t1.z, 0 ); | |
195 | } | |
196 | } | |
197 | ||
198 | { | |
199 | std::array<int, 0> tp; | |
200 | ||
201 | { | |
202 | T1 t1 = construct_from_tuple<T1>( tp ); | |
203 | ||
204 | BOOST_TEST_EQ( t1.x, 0 ); | |
205 | BOOST_TEST_EQ( t1.y, 0 ); | |
206 | BOOST_TEST_EQ( t1.z, 0 ); | |
207 | } | |
208 | ||
209 | { | |
210 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
211 | ||
212 | BOOST_TEST_EQ( t1.x, 0 ); | |
213 | BOOST_TEST_EQ( t1.y, 0 ); | |
214 | BOOST_TEST_EQ( t1.z, 0 ); | |
215 | } | |
216 | } | |
217 | ||
218 | return boost::report_errors(); | |
219 | } |