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6458742a | 1 | // { dg-do run { target c++17 } } |
ca8f2cb1 | 2 | |
a945c346 | 3 | // Copyright (C) 2016-2024 Free Software Foundation, Inc. |
ca8f2cb1 VV |
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 | // [string.modifiers] | |
21 | ||
22 | #include <string> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | void | |
26 | test03() | |
27 | { | |
ca8f2cb1 VV |
28 | std::wstring_view str1(L"foo"); |
29 | std::wstring str2; | |
30 | str2 += str1; | |
31 | VERIFY (str2 == str1); | |
32 | std::wstring str3; | |
33 | str3.append(str1); | |
34 | VERIFY (str3 == str1); | |
35 | std::wstring str4; | |
36 | str4.append(str1, 1, 2); | |
37 | VERIFY (str4 == L"oo"); | |
38 | } | |
39 | ||
657213f7 JW |
40 | // PR libstdc++/77264 |
41 | void | |
42 | test04() | |
43 | { | |
657213f7 JW |
44 | std::wstring str(L"a"); |
45 | ||
46 | wchar_t c = L'b'; | |
47 | str.append(&c, 1); | |
48 | VERIFY (str[1] == c); | |
49 | ||
50 | wchar_t arr[] = L"c"; | |
51 | str.append(arr, 1); | |
52 | VERIFY (str[2] == arr[0]); | |
53 | ||
54 | const wchar_t carr[] = L"d"; | |
55 | str.append(carr, 1); | |
56 | VERIFY (str[3] == carr[0]); | |
57 | ||
58 | struct S { | |
59 | operator wchar_t*() { return &c; } | |
60 | operator std::wstring_view() { return L"!"; } | |
61 | wchar_t c = L'e'; | |
62 | }; | |
63 | ||
64 | str.append(S{}, 1); | |
65 | VERIFY (str[4] == S{}.c); | |
66 | } | |
67 | ||
ca8f2cb1 VV |
68 | int main() |
69 | { | |
70 | test03(); | |
657213f7 | 71 | test04(); |
ca8f2cb1 VV |
72 | return 0; |
73 | } |