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b32b8144 FG |
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 | ||
11fdf7f2 TL |
10 | #if defined(_MSC_VER) |
11 | #pragma warning( disable: 4244 ) // 'initializing': conversion from 'int' to 'char', possible loss of data | |
12 | #endif | |
13 | ||
b32b8144 | 14 | #include <boost/mp11/tuple.hpp> |
92f5a8d4 | 15 | #include <boost/mp11/detail/config.hpp> |
b32b8144 | 16 | #include <boost/core/lightweight_test.hpp> |
b32b8144 FG |
17 | #include <tuple> |
18 | #include <memory> | |
19 | #include <utility> | |
20 | #include <array> | |
21 | ||
22 | struct T1 | |
23 | { | |
24 | int x, y, z; | |
25 | ||
26 | T1( int x = 0, int y = 0, int z = 0 ): x(x), y(y), z(z) {} | |
27 | }; | |
28 | ||
29 | struct T2 | |
30 | { | |
31 | std::unique_ptr<int> x, y, z; | |
32 | ||
33 | 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)) {} | |
34 | ||
92f5a8d4 | 35 | #if BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, <= 1800 ) |
b32b8144 FG |
36 | |
37 | T2( T2&& r ): x( std::move(r.x) ), y( std::move(r.y) ), z( std::move(r.z) ) {} | |
38 | ||
39 | #endif | |
40 | }; | |
41 | ||
42 | int main() | |
43 | { | |
44 | using boost::mp11::construct_from_tuple; | |
45 | ||
46 | { | |
47 | std::tuple<int, short, char> tp{ 1, 2, 3 }; | |
48 | ||
49 | { | |
50 | T1 t1 = construct_from_tuple<T1>( tp ); | |
51 | ||
52 | BOOST_TEST_EQ( t1.x, 1 ); | |
53 | BOOST_TEST_EQ( t1.y, 2 ); | |
54 | BOOST_TEST_EQ( t1.z, 3 ); | |
55 | } | |
56 | ||
57 | { | |
58 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
59 | ||
60 | BOOST_TEST_EQ( t1.x, 1 ); | |
61 | BOOST_TEST_EQ( t1.y, 2 ); | |
62 | BOOST_TEST_EQ( t1.z, 3 ); | |
63 | } | |
64 | } | |
65 | ||
66 | { | |
67 | std::tuple<int, short, char> const tp{ 1, 2, 3 }; | |
68 | ||
69 | { | |
70 | T1 t1 = construct_from_tuple<T1>( tp ); | |
71 | ||
72 | BOOST_TEST_EQ( t1.x, 1 ); | |
73 | BOOST_TEST_EQ( t1.y, 2 ); | |
74 | BOOST_TEST_EQ( t1.z, 3 ); | |
75 | } | |
76 | ||
77 | { | |
78 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
79 | ||
80 | BOOST_TEST_EQ( t1.x, 1 ); | |
81 | BOOST_TEST_EQ( t1.y, 2 ); | |
82 | BOOST_TEST_EQ( t1.z, 3 ); | |
83 | } | |
84 | } | |
85 | ||
86 | #if defined( __clang_major__ ) && __clang_major__ == 3 && __clang_minor__ < 8 | |
87 | #else | |
88 | ||
89 | { | |
90 | 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)) }; | |
91 | ||
92 | T2 t2 = construct_from_tuple<T2>( std::move(tp) ); | |
93 | ||
94 | BOOST_TEST_EQ( *t2.x, 1 ); | |
95 | BOOST_TEST_EQ( *t2.y, 2 ); | |
96 | BOOST_TEST_EQ( *t2.z, 3 ); | |
97 | } | |
98 | ||
99 | #endif | |
100 | ||
101 | { | |
102 | std::pair<int, short> tp{ 1, 2 }; | |
103 | ||
104 | { | |
105 | T1 t1 = construct_from_tuple<T1>( tp ); | |
106 | ||
107 | BOOST_TEST_EQ( t1.x, 1 ); | |
108 | BOOST_TEST_EQ( t1.y, 2 ); | |
109 | BOOST_TEST_EQ( t1.z, 0 ); | |
110 | } | |
111 | ||
112 | { | |
113 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
114 | ||
115 | BOOST_TEST_EQ( t1.x, 1 ); | |
116 | BOOST_TEST_EQ( t1.y, 2 ); | |
117 | BOOST_TEST_EQ( t1.z, 0 ); | |
118 | } | |
119 | } | |
120 | ||
121 | { | |
122 | std::pair<int, short> const tp{ 1, 2 }; | |
123 | ||
124 | { | |
125 | T1 t1 = construct_from_tuple<T1>( tp ); | |
126 | ||
127 | BOOST_TEST_EQ( t1.x, 1 ); | |
128 | BOOST_TEST_EQ( t1.y, 2 ); | |
129 | BOOST_TEST_EQ( t1.z, 0 ); | |
130 | } | |
131 | ||
132 | { | |
133 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
134 | ||
135 | BOOST_TEST_EQ( t1.x, 1 ); | |
136 | BOOST_TEST_EQ( t1.y, 2 ); | |
137 | BOOST_TEST_EQ( t1.z, 0 ); | |
138 | } | |
139 | } | |
140 | ||
141 | { | |
142 | std::array<int, 3> tp{{ 1, 2, 3 }}; | |
143 | ||
144 | { | |
145 | T1 t1 = construct_from_tuple<T1>( tp ); | |
146 | ||
147 | BOOST_TEST_EQ( t1.x, 1 ); | |
148 | BOOST_TEST_EQ( t1.y, 2 ); | |
149 | BOOST_TEST_EQ( t1.z, 3 ); | |
150 | } | |
151 | ||
152 | { | |
153 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
154 | ||
155 | BOOST_TEST_EQ( t1.x, 1 ); | |
156 | BOOST_TEST_EQ( t1.y, 2 ); | |
157 | BOOST_TEST_EQ( t1.z, 3 ); | |
158 | } | |
159 | } | |
160 | ||
161 | { | |
162 | std::array<int, 3> const tp{{ 1, 2, 3 }}; | |
163 | ||
164 | { | |
165 | T1 t1 = construct_from_tuple<T1>( tp ); | |
166 | ||
167 | BOOST_TEST_EQ( t1.x, 1 ); | |
168 | BOOST_TEST_EQ( t1.y, 2 ); | |
169 | BOOST_TEST_EQ( t1.z, 3 ); | |
170 | } | |
171 | ||
172 | { | |
173 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
174 | ||
175 | BOOST_TEST_EQ( t1.x, 1 ); | |
176 | BOOST_TEST_EQ( t1.y, 2 ); | |
177 | BOOST_TEST_EQ( t1.z, 3 ); | |
178 | } | |
179 | } | |
180 | ||
181 | { | |
182 | std::tuple<> tp; | |
183 | ||
184 | { | |
185 | T1 t1 = construct_from_tuple<T1>( tp ); | |
186 | ||
187 | BOOST_TEST_EQ( t1.x, 0 ); | |
188 | BOOST_TEST_EQ( t1.y, 0 ); | |
189 | BOOST_TEST_EQ( t1.z, 0 ); | |
190 | } | |
191 | ||
192 | { | |
193 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
194 | ||
195 | BOOST_TEST_EQ( t1.x, 0 ); | |
196 | BOOST_TEST_EQ( t1.y, 0 ); | |
197 | BOOST_TEST_EQ( t1.z, 0 ); | |
198 | } | |
199 | } | |
200 | ||
201 | { | |
202 | std::array<int, 0> tp; | |
203 | ||
204 | { | |
205 | T1 t1 = construct_from_tuple<T1>( tp ); | |
206 | ||
207 | BOOST_TEST_EQ( t1.x, 0 ); | |
208 | BOOST_TEST_EQ( t1.y, 0 ); | |
209 | BOOST_TEST_EQ( t1.z, 0 ); | |
210 | } | |
211 | ||
212 | { | |
213 | T1 t1 = construct_from_tuple<T1>( std::move(tp) ); | |
214 | ||
215 | BOOST_TEST_EQ( t1.x, 0 ); | |
216 | BOOST_TEST_EQ( t1.y, 0 ); | |
217 | BOOST_TEST_EQ( t1.z, 0 ); | |
218 | } | |
219 | } | |
220 | ||
221 | return boost::report_errors(); | |
222 | } |