]>
Commit | Line | Data |
---|---|---|
8d9254fc | 1 | // Copyright (C) 2019-2020 Free Software Foundation, Inc. |
0cb78ef4 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++17" } | |
19 | // { dg-do run { target c++17 } } | |
20 | ||
21 | #include <string> | |
22 | #include <memory_resource> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | // C++17 24.3.5 [basic.string.hash] | |
26 | // If S is one of these string types, SV is the corresponding string view type, | |
27 | // and s is an object of type S, then hash<S>()(s) == hash<SV>()(SV(s)). | |
28 | ||
29 | template<typename S> | |
30 | bool | |
31 | test(const S& s) | |
32 | { | |
33 | using std::hash; | |
34 | using SV = std::basic_string_view<typename S::value_type>; | |
35 | return hash<S>()(s) == hash<SV>()(SV(s)); | |
36 | } | |
37 | ||
38 | void | |
39 | test01() | |
40 | { | |
41 | VERIFY( test(std::string("a narrow string")) ); | |
0cb78ef4 | 42 | VERIFY( test(std::u16string(u"a utf-16 string")) ); |
0cb78ef4 | 43 | VERIFY( test(std::u32string(U"a utf-32 string")) ); |
0cb78ef4 JW |
44 | #if _GLIBCXX_USE_WCHAR_T |
45 | VERIFY( test(std::wstring(L"a wide string")) ); | |
53e69273 JW |
46 | #endif |
47 | } | |
48 | ||
49 | void | |
50 | test02() | |
51 | { | |
52 | #if _GLIBCXX_USE_CXX11_ABI | |
53 | VERIFY( test(std::pmr::string("a narrow string, but with PMR!")) ); | |
54 | VERIFY( test(std::pmr::u16string(u"a utf-16 string, but with PMR!")) ); | |
55 | VERIFY( test(std::pmr::u32string(U"a utf-32 string, but with PMR!")) ); | |
56 | #if _GLIBCXX_USE_WCHAR_T | |
0cb78ef4 JW |
57 | VERIFY( test(std::pmr::wstring(L"a wide string, but with PMR!")) ); |
58 | #endif | |
53e69273 | 59 | #endif |
0cb78ef4 JW |
60 | } |
61 | ||
62 | int | |
63 | main() | |
64 | { | |
65 | test01(); | |
53e69273 | 66 | test02(); |
0cb78ef4 | 67 | } |