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4415f7a5 | 1 | // { dg-options "-std=gnu++11" } |
ac65b7d2 | 2 | |
818ab71a | 3 | // Copyright (C) 2011-2016 Free Software Foundation, Inc. |
ac65b7d2 DK |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | // Tuple | |
21 | ||
22 | #include <tuple> | |
23 | #include <array> | |
24 | ||
25 | static_assert(std::is_same<decltype(std::tuple_cat()), | |
26 | std::tuple<>>::value, "Error"); | |
27 | static_assert(std::is_same<decltype(std::tuple_cat | |
28 | (std::declval<std::tuple<>>())), | |
29 | std::tuple<>>::value, "Error"); | |
30 | static_assert(std::is_same<decltype(std::tuple_cat | |
31 | (std::declval<std::tuple<>&>())), | |
32 | std::tuple<>>::value, "Error"); | |
33 | static_assert(std::is_same<decltype(std::tuple_cat | |
34 | (std::declval<const std::tuple<>>())), | |
35 | std::tuple<>>::value, "Error"); | |
36 | static_assert(std::is_same<decltype(std::tuple_cat | |
37 | (std::declval<const std::tuple<>&>())), | |
38 | std::tuple<>>::value, "Error"); | |
39 | static_assert(std::is_same<decltype(std::tuple_cat | |
40 | (std::declval<std::pair<int, bool>>())), | |
41 | std::tuple<int, bool>>::value, "Error"); | |
42 | static_assert(std::is_same<decltype(std::tuple_cat | |
43 | (std::declval<std::pair<int, bool>&>())), | |
44 | std::tuple<int, bool>>::value, "Error"); | |
45 | static_assert(std::is_same<decltype | |
46 | (std::tuple_cat(std::declval<const std::pair<int, bool>>())), | |
47 | std::tuple<int, bool>>::value, "Error"); | |
48 | static_assert(std::is_same<decltype | |
49 | (std::tuple_cat(std::declval<const std::pair<int, bool>&>())), | |
50 | std::tuple<int, bool>>::value, "Error"); | |
51 | static_assert(std::is_same<decltype | |
52 | (std::tuple_cat(std::declval<std::array<int, 3>>())), | |
53 | std::tuple<int, int, int>>::value, "Error"); | |
54 | static_assert(std::is_same<decltype | |
55 | (std::tuple_cat(std::declval<std::array<int, 3>&>())), | |
56 | std::tuple<int, int, int>>::value, "Error"); | |
57 | static_assert(std::is_same<decltype | |
58 | (std::tuple_cat(std::declval<const std::array<int, 3>>())), | |
59 | std::tuple<int, int, int>>::value, "Error"); | |
60 | static_assert(std::is_same<decltype | |
61 | (std::tuple_cat(std::declval<const std::array<int, 3>&>())), | |
62 | std::tuple<int, int, int>>::value, "Error"); | |
63 | static_assert(std::is_same<decltype | |
64 | (std::tuple_cat | |
65 | (std::declval<std::tuple<>>(), std::declval<std::tuple<>>())), | |
66 | std::tuple<>>::value, "Error"); | |
67 | static_assert(std::is_same<decltype | |
68 | (std::tuple_cat | |
69 | (std::declval<std::tuple<>>(), std::declval<std::tuple<>>(), | |
70 | std::declval<std::tuple<>>())), std::tuple<>>::value, "Error"); | |
71 | static_assert(std::is_same<decltype | |
72 | (std::tuple_cat | |
73 | (std::declval<std::tuple<>>(), | |
74 | std::declval<std::array<char, 0>>(), | |
75 | std::declval<std::array<int, 0>>(), | |
76 | std::declval<std::tuple<>>())), std::tuple<>>::value, "Error"); | |
77 | static_assert(std::is_same<decltype | |
78 | (std::tuple_cat | |
79 | (std::declval<std::tuple<int>>(), | |
80 | std::declval<std::tuple<double>>())), | |
81 | std::tuple<int, double>>::value, "Error"); | |
82 | static_assert(std::is_same<decltype | |
83 | (std::tuple_cat | |
84 | (std::declval<std::tuple<int>>(), | |
85 | std::declval<std::tuple<double>>(), | |
86 | std::declval<std::tuple<const long&>>())), | |
87 | std::tuple<int, double, const long&>>::value, "Error"); | |
88 | static_assert(std::is_same<decltype | |
89 | (std::tuple_cat | |
90 | (std::declval<std::array<wchar_t, 3>&>(), | |
91 | std::declval<std::tuple<double>>(), | |
92 | std::declval<std::tuple<>>(), | |
93 | std::declval<std::tuple<unsigned&>>(), | |
94 | std::declval<std::pair<bool, std::nullptr_t>>())), | |
95 | std::tuple<wchar_t, wchar_t, wchar_t, | |
96 | double, unsigned&, bool, std::nullptr_t> | |
97 | >::value, "Error"); | |
98 | ||
99 | int main() | |
100 | { | |
101 | std::tuple_cat(); | |
102 | std::tuple_cat(std::tuple<>{ }); | |
103 | std::tuple_cat(std::tuple<>{ }, std::tuple<>{ }); | |
104 | std::array<int, 3> a3; | |
105 | std::tuple_cat(a3); | |
106 | std::pair<double, bool> pdb; | |
107 | std::tuple<unsigned, float, std::nullptr_t, void*> t; | |
108 | int i{ }; | |
109 | double d{ }; | |
110 | int* pi{ }; | |
111 | std::tuple<int&, double&, int*&> to{i, d, pi}; | |
112 | std::tuple_cat(pdb); | |
113 | std::tuple_cat(to); | |
114 | std::tuple_cat(to, to); | |
115 | std::tuple_cat(a3, pdb); | |
116 | std::tuple_cat(a3, pdb, t); | |
117 | std::tuple_cat(a3, pdb, t, a3); | |
118 | std::tuple_cat(a3, pdb, t, a3, pdb, t); | |
119 | ||
120 | static_assert(std::is_same<decltype | |
121 | (std::tuple_cat(a3, pdb, t, a3, pdb, t)), | |
122 | std::tuple<int, int, int, double, bool, | |
123 | unsigned, float, std::nullptr_t, void*, | |
124 | int, int, int, double, bool, unsigned, | |
125 | float, std::nullptr_t, void*> | |
126 | >::value, "Error"); | |
127 | ||
128 | std::tuple_cat(std::tuple<int, char, void*>{}, to, a3, | |
129 | std::tuple<>{}, std::pair<float, | |
130 | std::nullptr_t>{}, pdb, to); | |
131 | } |