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83ffe9cd | 1 | // Copyright (C) 2019-2023 Free Software Foundation, Inc. |
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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 <algorithm> | |
22 | #include <array> | |
23 | ||
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24 | constexpr bool |
25 | test() | |
26 | { | |
27 | std::array<int, 12> ma0{{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; | |
28 | ||
29 | const auto outd = std::fill_n(ma0.begin(), 6, 77); | |
30 | ||
22b6b5d6 | 31 | return outd == ma0.begin() + 6 && ma0[5] == 77 && ma0[6] == 0; |
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32 | } |
33 | ||
34 | static_assert(test()); | |
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35 | |
36 | constexpr bool | |
37 | test_byte() | |
38 | { | |
39 | // PR libstdc++/94933 | |
40 | std::array<char, 12> ma0{}; | |
41 | ||
42 | const auto outd = std::fill_n(ma0.begin(), 6, 77); | |
43 | ||
44 | return outd == ma0.begin() + 6 && ma0[5] == 77 && ma0[6] == 0; | |
45 | } | |
46 | ||
47 | static_assert( test_byte() ); | |
48 | ||
49 | struct S | |
50 | { | |
51 | int i = 0; | |
52 | }; | |
53 | ||
54 | constexpr bool | |
55 | test_nonscalar() | |
56 | { | |
57 | std::array<S, 12> ma0{}; | |
58 | ||
59 | const auto outd = std::fill_n(ma0.begin(), 6, S{77}); | |
60 | ||
61 | return outd == ma0.begin() + 6 && ma0[5].i == 77 && ma0[6].i == 0; | |
62 | } | |
63 | ||
64 | static_assert( test_nonscalar() ); |