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1 | // Copyright (C) 2021 Free Software Foundation, Inc. |
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-do run { target c++17 } } | |
19 | ||
20 | #include <debug/string> | |
21 | #include <memory_resource> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | // C++17 24.3.5 [basic.string.hash] | |
25 | // If S is one of these string types, SV is the corresponding string view type, | |
26 | // and s is an object of type S, then hash<S>()(s) == hash<SV>()(SV(s)). | |
27 | ||
28 | template<typename S> | |
29 | bool | |
30 | test(const S& s) | |
31 | { | |
32 | using std::hash; | |
33 | using SV = std::basic_string_view<typename S::value_type>; | |
34 | return hash<S>()(s) == hash<SV>()(SV(s)); | |
35 | } | |
36 | ||
37 | void | |
38 | test01() | |
39 | { | |
40 | VERIFY( test(__gnu_debug::string("a narrow string")) ); | |
41 | #if _GLIBCXX_USE_CHAR8_T | |
42 | VERIFY( test(__gnu_debug::u8string(u8"a narrow string")) ); | |
43 | #endif | |
44 | VERIFY( test(__gnu_debug::u16string(u"a utf-16 string")) ); | |
45 | VERIFY( test(__gnu_debug::u32string(U"a utf-32 string")) ); | |
50bb46e4 | 46 | VERIFY( test(__gnu_debug::wstring(L"a wide string")) ); |
50bb46e4 FD |
47 | } |
48 | ||
49 | #if _GLIBCXX_USE_CHAR8_T | |
50 | void | |
51 | test02() | |
52 | { | |
53 | using std::hash; | |
54 | __gnu_debug::string native("a string, a string, my stringdom for a string"); | |
55 | __gnu_debug::u8string utf8(u8"a string, a string, my stringdom for a string"); | |
56 | VERIFY( hash<__gnu_debug::string>()(native) == hash<__gnu_debug::u8string>()(utf8) ); | |
57 | } | |
58 | #endif | |
59 | ||
60 | int | |
61 | main() | |
62 | { | |
63 | test01(); | |
64 | #if _GLIBCXX_USE_CHAR8_T | |
65 | test02(); | |
66 | #endif | |
67 | } |