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a945c346 | 1 | // Copyright (C) 2019-2024 Free Software Foundation, Inc. |
cd502796 TH |
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 | ||
9a27acc3 | 18 | // { dg-options "-fchar8_t -Wno-stringop-overread" } |
cd502796 | 19 | // { dg-do run { target c++17 } } |
33237e93 | 20 | // { dg-additional-options "-Wno-deprecated-declarations" { target c++20 } } |
cd502796 TH |
21 | |
22 | #include <filesystem> | |
23 | #include <string_view> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | namespace fs = std::filesystem; | |
27 | ||
28 | void | |
29 | test01() | |
30 | { | |
31 | fs::path p = fs::u8path(u8""); | |
32 | VERIFY( p.empty() ); | |
33 | ||
34 | p = fs::u8path(u8"filename1"); | |
35 | VERIFY( p.u8string() == u8"filename1" ); | |
36 | ||
37 | p = fs::u8path(u8"\xf0\x9d\x84\x9e"); | |
38 | VERIFY( p.u8string() == u8"\U0001D11E" ); | |
39 | ||
9a27acc3 | 40 | // The following triggers -Wstringop-overread. See PR 102958. |
cd502796 TH |
41 | std::u8string s1 = u8"filename2"; |
42 | p = fs::u8path(s1); | |
43 | VERIFY( p.u8string() == u8"filename2" ); | |
44 | ||
45 | std::u8string s2 = u8"filename3"; | |
46 | p = fs::u8path(s2.begin(), s2.end()); | |
47 | VERIFY( p.u8string() == u8"filename3" ); | |
48 | ||
49 | std::u8string_view sv1{ s1 }; | |
50 | p = fs::u8path(sv1); | |
51 | VERIFY( p.u8string() == u8"filename2" ); | |
52 | ||
53 | std::u8string_view sv2{ s2 }; | |
54 | p = fs::u8path(sv2.begin(), sv2.end()); | |
55 | VERIFY( p.u8string() == u8"filename3" ); | |
56 | } | |
57 | ||
58 | int | |
59 | main() | |
60 | { | |
61 | test01(); | |
62 | } |