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52066eae | 1 | // { dg-do compile { target c++14 } } |
de0830e1 | 2 | // |
8d9254fc | 3 | // Copyright (C) 2015-2020 Free Software Foundation, Inc. |
de0830e1 VV |
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 | #include <array> | |
21 | #include <type_traits> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | void | |
25 | test01() | |
26 | { | |
de0830e1 VV |
27 | using namespace std; |
28 | ||
29 | const size_t len = 3; | |
30 | typedef array<int, len> array_type; | |
31 | ||
32 | static_assert(is_same<tuple_element_t<0, array_type>, int>::value, ""); | |
33 | static_assert(is_same<tuple_element_t<1, array_type>, int>::value, ""); | |
34 | static_assert(is_same<tuple_element_t<2, array_type>, int>::value, ""); | |
35 | ||
36 | static_assert(is_same<tuple_element_t<0, const array_type>, | |
37 | const int>::value, ""); | |
38 | static_assert(is_same<tuple_element_t<1, const array_type>, | |
39 | const int>::value, ""); | |
40 | static_assert(is_same<tuple_element_t<2, const array_type>, | |
41 | const int>::value, ""); | |
42 | ||
43 | static_assert(is_same<tuple_element_t<0, volatile array_type>, | |
44 | volatile int>::value, ""); | |
45 | static_assert(is_same<tuple_element_t<1, volatile array_type>, | |
46 | volatile int>::value, ""); | |
47 | static_assert(is_same<tuple_element_t<2, volatile array_type>, | |
48 | volatile int>::value, ""); | |
49 | ||
50 | static_assert(is_same<tuple_element_t<0, const volatile array_type>, | |
51 | const volatile int>::value, ""); | |
52 | static_assert(is_same<tuple_element_t<1, const volatile array_type>, | |
53 | const volatile int>::value, ""); | |
54 | static_assert(is_same<tuple_element_t<2, const volatile array_type>, | |
55 | const volatile int>::value, ""); | |
56 | } | |
57 | ||
58 | int main() | |
59 | { | |
60 | test01(); | |
61 | return 0; | |
62 | } |