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6d0b43f5 | 1 | // { dg-do compile { target c++20 } } |
d76925e4 | 2 | |
83ffe9cd | 3 | // Copyright (C) 2020-2023 Free Software Foundation, Inc. |
d76925e4 JW |
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 | static_assert( std::is_nothrow_constructible_v<int[1]> ); | |
23 | static_assert( std::is_nothrow_constructible_v<int[1], int> ); | |
24 | static_assert( std::is_nothrow_constructible_v<int[2], int> ); | |
25 | static_assert( std::is_nothrow_constructible_v<int[2], int, int> ); | |
26 | static_assert( ! std::is_nothrow_constructible_v<int[1], int, int> ); | |
27 | static_assert( ! std::is_nothrow_constructible_v<int[]> ); | |
28 | static_assert( ! std::is_nothrow_constructible_v<int[], int> ); | |
29 | static_assert( ! std::is_nothrow_constructible_v<int[], int, int> ); | |
30 | ||
31 | struct X | |
32 | { | |
33 | X() = default; | |
34 | X(int) noexcept { } | |
35 | X(double) { } | |
36 | }; | |
37 | ||
38 | static_assert( std::is_nothrow_constructible_v<X[2]> ); | |
39 | static_assert( std::is_nothrow_constructible_v<X[1], X> ); | |
40 | static_assert( std::is_nothrow_constructible_v<X[1], int> ); | |
41 | static_assert( ! std::is_nothrow_constructible_v<X[1], double> ); | |
42 | static_assert( ! std::is_nothrow_constructible_v<X[2], int, double> ); | |
43 | ||
44 | struct Y | |
45 | { | |
46 | int i; | |
47 | X x; | |
48 | }; | |
49 | ||
50 | static_assert( std::is_nothrow_constructible_v<Y> ); | |
51 | static_assert( std::is_nothrow_constructible_v<Y, Y> ); | |
52 | static_assert( std::is_nothrow_constructible_v<Y, int> ); | |
53 | static_assert( ! std::is_nothrow_constructible_v<Y, X> ); | |
54 | static_assert( std::is_nothrow_constructible_v<Y, int, X> ); | |
55 | static_assert( std::is_nothrow_constructible_v<Y, int, int> ); | |
56 | static_assert( ! std::is_nothrow_constructible_v<Y, int, double> ); | |
57 | ||
58 | struct Z : Y { }; | |
59 | ||
60 | static_assert( std::is_nothrow_constructible_v<Z> ); | |
61 | static_assert( std::is_nothrow_constructible_v<Z, Z> ); | |
62 | static_assert( std::is_nothrow_constructible_v<Z, Y> ); | |
63 | static_assert( ! std::is_nothrow_constructible_v<Z, int> ); | |
64 | static_assert( ! std::is_nothrow_constructible_v<Z, int, X> ); | |
65 | static_assert( ! std::is_nothrow_constructible_v<Z, int, int> ); | |
66 | static_assert( ! std::is_nothrow_constructible_v<Z, Y, double> ); | |
67 | static_assert( ! std::is_nothrow_constructible_v<Z, int, double> ); | |
68 | static_assert( ! std::is_nothrow_constructible_v<Z, X> ); |