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8d9254fc | 1 | // Copyright (C) 2019-2020 Free Software Foundation, Inc. |
cfc219ae 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-options "-std=gnu++2a" } | |
19 | // { dg-do compile { target c++2a } } | |
20 | ||
21 | #include <concepts> | |
22 | ||
a31517cb JW |
23 | static_assert( !std::default_initializable<void> ); |
24 | static_assert( std::default_initializable<void*> ); | |
25 | static_assert( std::default_initializable<const void*> ); | |
26 | static_assert( std::default_initializable<char> ); | |
27 | static_assert( std::default_initializable<float> ); | |
28 | static_assert( !std::default_initializable<const int> ); | |
29 | static_assert( std::default_initializable<int*> ); | |
30 | static_assert( !std::default_initializable<int&> ); | |
31 | static_assert( !std::default_initializable<int&&> ); | |
32 | static_assert( !std::default_initializable<const int&> ); | |
33 | static_assert( !std::default_initializable<int[]> ); | |
34 | static_assert( std::default_initializable<int[2]> ); | |
35 | static_assert( !std::default_initializable<int()> ); | |
36 | static_assert( std::default_initializable<int(*)()> ); | |
37 | static_assert( !std::default_initializable<int(&)()> ); | |
cfc219ae JW |
38 | |
39 | enum E { }; | |
a31517cb | 40 | static_assert( std::default_initializable<E> ); |
cfc219ae | 41 | enum class CE { }; |
a31517cb | 42 | static_assert( std::default_initializable<CE> ); |
cfc219ae | 43 | struct A { }; |
a31517cb | 44 | static_assert( std::default_initializable<A> ); |
cfc219ae JW |
45 | union B { }; |
46 | static_assert( std::constructible_from<B> ); | |
47 | ||
48 | struct C | |
49 | { | |
50 | C(void* = nullptr) { } | |
51 | ~C() noexcept(false) { } | |
52 | }; | |
a31517cb | 53 | static_assert( !std::default_initializable<C> ); |
cfc219ae JW |
54 | |
55 | class D | |
56 | { | |
57 | public: | |
58 | D() { } | |
59 | D(int) { } | |
60 | private: | |
61 | ~D() { } | |
62 | }; | |
a31517cb | 63 | static_assert( !std::default_initializable<D> ); |