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1 | // { dg-options "-std=gnu++17" } |
2 | // { dg-do run { target c++17 } } | |
3 | ||
8d9254fc | 4 | // Copyright (C) 2011-2020 Free Software Foundation, Inc. |
4cf5930f JW |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | // NOTE: This makes use of the fact that we know how moveable | |
22 | // is implemented on string (via swap). If the implementation changed | |
23 | // this test may begin to fail. | |
24 | ||
25 | #include <string> | |
26 | #include <utility> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | class tstring : public std::basic_string<wchar_t> | |
30 | { | |
31 | public: | |
32 | tstring() : std::basic_string<wchar_t>() {} | |
33 | tstring(tstring&& s) : std::basic_string<wchar_t>(std::move(s)) {} | |
34 | tstring& operator=(tstring&& s) = default; | |
35 | }; | |
36 | ||
37 | void test01() | |
38 | { | |
39 | tstring a, b; | |
40 | a.push_back(L'1'); | |
41 | b = std::move(a); | |
42 | VERIFY( b.size() == 1 && b[0] == L'1' && a.size() == 0 ); | |
43 | ||
44 | tstring c(std::move(b)); | |
45 | VERIFY( c.size() == 1 && c[0] == L'1' ); | |
46 | VERIFY( b.size() == 0 ); | |
47 | } | |
48 | ||
49 | int main() | |
50 | { | |
51 | test01(); | |
52 | return 0; | |
53 | } |