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52066eae | 1 | // { dg-do compile { target c++11 } } |
f7632193 | 2 | |
83ffe9cd | 3 | // Copyright (C) 2015-2023 Free Software Foundation, Inc. |
f7632193 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 <type_traits> | |
21 | ||
22 | struct ExplicitDefault | |
23 | { | |
24 | explicit ExplicitDefault() {} | |
25 | }; | |
26 | ||
27 | struct ExplicitDefaultDefault | |
28 | { | |
29 | explicit ExplicitDefaultDefault() = default; | |
30 | }; | |
31 | ||
32 | void test01() | |
33 | { | |
34 | using std::__is_implicitly_default_constructible; | |
35 | // Positive tests. | |
36 | static_assert(__is_implicitly_default_constructible<int>::value, ""); | |
37 | // Negative tests. | |
38 | static_assert(!__is_implicitly_default_constructible<int&>::value, ""); | |
39 | static_assert(!__is_implicitly_default_constructible< | |
40 | ExplicitDefault>::value, ""); | |
41 | static_assert(!__is_implicitly_default_constructible< | |
42 | ExplicitDefaultDefault>::value, ""); | |
43 | } |