]>
Commit | Line | Data |
---|---|---|
4cf5930f JW |
1 | // { dg-do run { target c++17 } } |
2 | ||
7adcbafe | 3 | // Copyright (C) 2011-2022 Free Software Foundation, Inc. |
4cf5930f JW |
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 | // NOTE: This makes use of the fact that we know how moveable | |
21 | // is implemented on string (via swap). If the implementation changed | |
22 | // this test may begin to fail. | |
23 | ||
24 | #include <string> | |
25 | #include <utility> | |
26 | #include <testsuite_hooks.h> | |
27 | ||
28 | class tstring : public std::basic_string<char> | |
29 | { | |
30 | public: | |
31 | tstring() : std::basic_string<char>() {} | |
32 | tstring(tstring&& s) : std::basic_string<char>(std::move(s)) {} | |
33 | tstring& operator=(tstring&& s) = default; | |
34 | }; | |
35 | ||
36 | void test01() | |
37 | { | |
38 | tstring a, b; | |
39 | a.push_back('1'); | |
40 | b = std::move(a); | |
41 | VERIFY( b.size() == 1 && b[0] == '1' && a.size() == 0 ); | |
42 | ||
43 | tstring c(std::move(b)); | |
44 | VERIFY( c.size() == 1 && c[0] == '1' ); | |
be30fc4c JW |
45 | #if ! _GLIBCXX_FULLY_DYNAMIC_STRING |
46 | VERIFY( b.size() == 0 ); // not guaranteed by the standard | |
47 | #endif | |
4cf5930f JW |
48 | } |
49 | ||
50 | int main() | |
51 | { | |
52 | test01(); | |
53 | return 0; | |
54 | } |