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52066eae | 1 | // { dg-do compile { target c++11 } } |
bf7818bf | 2 | |
99dee823 | 3 | // Copyright (C) 2015-2021 Free Software Foundation, Inc. |
bf7818bf 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 <tuple> | |
21 | #include <type_traits> | |
22 | ||
23 | // DR 2367, pair and tuple are not correctly implemented for is_constructible with no args | |
24 | void test_default_constructible() | |
25 | { | |
26 | struct X | |
27 | { | |
28 | X() = delete; | |
29 | }; | |
30 | ||
31 | typedef std::tuple<int, X> T; | |
32 | static_assert(!std::is_constructible<T>::value, ""); | |
33 | static_assert(!std::is_default_constructible<T>::value, ""); | |
34 | ||
35 | typedef std::tuple<int, int, X> T2; | |
36 | static_assert(!std::is_constructible<T2>::value, ""); | |
37 | static_assert(!std::is_default_constructible<T2>::value, ""); | |
38 | ||
39 | ||
40 | } | |
41 | ||
42 | int main() | |
43 | { | |
44 | test_default_constructible(); | |
45 | return 0; | |
46 | } |