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7adcbafe | 1 | // Copyright (C) 2018-2022 Free Software Foundation, Inc. |
478490f6 JW |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-do compile { target c++11 } } | |
19 | ||
20 | #include <tuple> | |
21 | #include <testsuite_tr1.h> | |
22 | ||
23 | using std::tuple; | |
24 | using std::pair; | |
25 | using __gnu_test::assign::AnyAssign; | |
26 | using __gnu_test::assign::DelAnyAssign; | |
27 | using __gnu_test::assign::DelCopyAssign; | |
28 | using __gnu_test::CopyConsOnlyType; | |
29 | ||
30 | // Copy assignment: | |
31 | template<typename T> | |
32 | constexpr bool copy() { return std::is_copy_assignable<T>::value; } | |
33 | ||
34 | // Move assigmment: | |
35 | template<typename T> | |
36 | constexpr bool move() { return std::is_move_assignable<T>::value; } | |
37 | ||
38 | static_assert( copy<tuple<>>(), ""); | |
39 | static_assert( move<tuple<>>(), ""); | |
40 | ||
41 | static_assert( copy<tuple<int>>(), ""); | |
42 | static_assert( copy<tuple<AnyAssign>>(), ""); | |
43 | static_assert( copy<tuple<int, int>>(), ""); | |
44 | static_assert( copy<tuple<AnyAssign, AnyAssign>>(), ""); | |
45 | static_assert( copy<tuple<int, AnyAssign>>(), ""); | |
46 | static_assert( copy<tuple<AnyAssign, int>>(), ""); | |
47 | static_assert( copy<tuple<int, int, int>>(), ""); | |
48 | static_assert( copy<tuple<AnyAssign, AnyAssign, AnyAssign>>(), ""); | |
49 | static_assert( copy<tuple<int, AnyAssign, AnyAssign>>(), ""); | |
50 | static_assert( copy<tuple<AnyAssign, int, AnyAssign>>(), ""); | |
51 | static_assert( copy<tuple<AnyAssign, AnyAssign, int>>(), ""); | |
52 | ||
53 | static_assert( move<tuple<int>>(), ""); | |
54 | static_assert( move<tuple<AnyAssign>>(), ""); | |
55 | static_assert( move<tuple<int, int>>(), ""); | |
56 | static_assert( move<tuple<AnyAssign, AnyAssign>>(), ""); | |
57 | static_assert( move<tuple<int, AnyAssign>>(), ""); | |
58 | static_assert( move<tuple<AnyAssign, int>>(), ""); | |
59 | static_assert( move<tuple<int, int, int>>(), ""); | |
60 | static_assert( move<tuple<AnyAssign, AnyAssign, AnyAssign>>(), ""); | |
61 | static_assert( move<tuple<int, AnyAssign, AnyAssign>>(), ""); | |
62 | static_assert( move<tuple<AnyAssign, int, AnyAssign>>(), ""); | |
63 | static_assert( move<tuple<AnyAssign, AnyAssign, int>>(), ""); | |
64 | ||
65 | static_assert( ! copy<tuple<DelCopyAssign>>(), ""); | |
66 | static_assert( ! copy<tuple<DelCopyAssign, int>>(), ""); | |
67 | static_assert( ! copy<tuple<int, DelCopyAssign>>(), ""); | |
68 | static_assert( ! copy<tuple<DelCopyAssign, int, int>>(), ""); | |
69 | static_assert( ! copy<tuple<int, DelCopyAssign, int>>(), ""); | |
70 | static_assert( ! copy<tuple<int, int, DelCopyAssign>>(), ""); | |
71 | ||
72 | static_assert( move<tuple<DelCopyAssign>>(), ""); | |
73 | static_assert( move<tuple<DelCopyAssign, int>>(), ""); | |
74 | static_assert( move<tuple<int, DelCopyAssign>>(), ""); | |
75 | static_assert( move<tuple<DelCopyAssign, int, int>>(), ""); | |
76 | static_assert( move<tuple<int, DelCopyAssign, int>>(), ""); | |
77 | static_assert( move<tuple<int, int, DelCopyAssign>>(), ""); | |
78 | ||
79 | static_assert( ! move<tuple<CopyConsOnlyType>>(), ""); | |
80 | static_assert( ! move<tuple<CopyConsOnlyType, int>>(), ""); | |
81 | static_assert( ! move<tuple<int, CopyConsOnlyType>>(), ""); | |
82 | static_assert( ! move<tuple<CopyConsOnlyType, int, int>>(), ""); | |
83 | static_assert( ! move<tuple<int, CopyConsOnlyType, int>>(), ""); | |
84 | static_assert( ! move<tuple<int, int, CopyConsOnlyType>>(), ""); | |
85 | ||
86 | // Assignment from different types of tuple (and pair): | |
87 | template<typename To, typename From> | |
88 | constexpr bool assign() { return std::is_assignable<To&, From>::value; } | |
89 | ||
90 | // 0-tuples | |
91 | static_assert( ! assign<tuple<>, tuple<int>>(), "" ); | |
92 | static_assert( ! assign<tuple<>, const tuple<int>&>(), "" ); | |
93 | ||
94 | // 1-tuples | |
95 | static_assert( ! assign<tuple<int>, tuple<>>(), "" ); | |
96 | static_assert( ! assign<tuple<int>, const tuple<>&>(), "" ); | |
97 | static_assert( ! assign<tuple<AnyAssign>, tuple<>>(), "" ); | |
98 | static_assert( ! assign<tuple<AnyAssign>, tuple<int, int>>(), "" ); | |
99 | static_assert( ! assign<tuple<AnyAssign>, pair<int, int>>(), "" ); | |
100 | ||
101 | static_assert( ! assign<tuple<void*>, tuple<int>>(), "" ); | |
102 | static_assert( ! assign<tuple<void*>, const tuple<int>&>(), "" ); | |
103 | ||
104 | static_assert( assign<tuple<long>, tuple<int>>(), "" ); | |
105 | static_assert( assign<tuple<long>, tuple<int>&>(), "" ); | |
106 | static_assert( assign<tuple<long>, const tuple<int>>(), "" ); | |
107 | static_assert( assign<tuple<long>, const tuple<int>&>(), "" ); | |
108 | ||
109 | // 2-tuples | |
110 | static_assert( assign<tuple<long, long>, tuple<int, int>>(), "" ); | |
111 | static_assert( assign<tuple<long, long>, tuple<int, int>&>(), "" ); | |
112 | static_assert( assign<tuple<long, long>, const tuple<int, int>>(), "" ); | |
113 | static_assert( assign<tuple<long, long>, const tuple<int, int>&>(), "" ); | |
114 | ||
115 | static_assert( assign<tuple<long, long>, pair<int, int>>(), "" ); | |
116 | static_assert( assign<tuple<long, long>, const pair<int, int>&>(), "" ); | |
117 | static_assert( assign<tuple<long, long>, pair<int, int>>(), "" ); | |
118 | static_assert( assign<tuple<long, long>, const pair<int, int>&&>(), "" ); | |
119 | ||
120 | static_assert( assign<tuple<DelCopyAssign, AnyAssign>, | |
121 | tuple<DelCopyAssign, int>>(), "" ); | |
122 | static_assert( ! assign<tuple<DelCopyAssign, AnyAssign>, | |
123 | tuple<DelCopyAssign, int>&>(), "" ); | |
124 | static_assert( ! assign<tuple<DelCopyAssign, AnyAssign>, | |
125 | const tuple<DelCopyAssign, int>&>(), "" ); | |
126 | static_assert( ! assign<tuple<DelCopyAssign, AnyAssign>, | |
127 | const tuple<DelCopyAssign, int>&&>(), "" ); | |
128 | ||
129 | static_assert( assign<tuple<AnyAssign, DelCopyAssign>, | |
130 | tuple<int, DelCopyAssign>>(), "" ); | |
131 | static_assert( ! assign<tuple<AnyAssign, DelCopyAssign>, | |
132 | tuple<int, DelCopyAssign>&>(), "" ); | |
133 | static_assert( ! assign<tuple<AnyAssign, DelCopyAssign>, | |
134 | const tuple<int, DelCopyAssign>&>(), "" ); | |
135 | static_assert( ! assign<tuple<AnyAssign, DelCopyAssign>, | |
136 | const tuple<int, DelCopyAssign>&&>(), "" ); | |
137 | ||
138 | static_assert( ! assign<tuple<void*, int>, | |
139 | tuple<int, int>>(), "" ); | |
140 | static_assert( ! assign<tuple<void*, int>, | |
141 | const tuple<int, int>&>(), "" ); | |
142 | ||
143 | static_assert( assign<tuple<DelCopyAssign, AnyAssign>, | |
144 | pair<DelCopyAssign, int>>(), "" ); | |
145 | static_assert( ! assign<tuple<DelCopyAssign, AnyAssign>, | |
146 | pair<DelCopyAssign, int>&>(), "" ); | |
147 | static_assert( ! assign<tuple<DelCopyAssign, AnyAssign>, | |
148 | const pair<DelCopyAssign, int>&>(), "" ); | |
149 | static_assert( ! assign<tuple<DelCopyAssign, AnyAssign>, | |
150 | const pair<DelCopyAssign, int>&&>(), "" ); | |
151 | ||
152 | static_assert( assign<tuple<AnyAssign, DelCopyAssign>, | |
153 | pair<int, DelCopyAssign>>(), "" ); | |
154 | static_assert( ! assign<tuple<AnyAssign, DelCopyAssign>, | |
155 | pair<int, DelCopyAssign>&>(), "" ); | |
156 | static_assert( ! assign<tuple<AnyAssign, DelCopyAssign>, | |
157 | const pair<int, DelCopyAssign>&>(), "" ); | |
158 | static_assert( ! assign<tuple<AnyAssign, DelCopyAssign>, | |
159 | const pair<int, DelCopyAssign>&&>(), "" ); | |
160 | ||
161 | static_assert( ! assign<tuple<void*, int>, | |
162 | pair<int, int>>(), "" ); | |
163 | static_assert( ! assign<tuple<void*, int>, | |
164 | const pair<int, int>&>(), "" ); | |
165 | ||
166 | // 3-tuples | |
167 | static_assert( assign<tuple<AnyAssign, DelCopyAssign, AnyAssign>, | |
168 | tuple<int, DelCopyAssign, int>>(), "" ); | |
169 | static_assert( ! assign<tuple<AnyAssign, DelCopyAssign, AnyAssign>, | |
170 | tuple<int, DelCopyAssign, int>&>(), "" ); | |
171 | static_assert( ! assign<tuple<AnyAssign, DelCopyAssign, AnyAssign>, | |
172 | const tuple<int, DelCopyAssign, int>&>(), "" ); | |
173 | static_assert( ! assign<tuple<AnyAssign, DelCopyAssign, AnyAssign>, | |
174 | const tuple<int, DelCopyAssign, int>&&>(), "" ); | |
175 | ||
176 | static_assert( ! assign<tuple<int, void*, int>, | |
177 | tuple<int, int, int>>(), "" ); | |
178 | static_assert( ! assign<tuple<int, void*, int>, | |
179 | const tuple<int, int, int>&>(), "" ); |