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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc
1 // { dg-options "-std=gnu++17" }
2 // { dg-do run { target c++17 } }
4 // Copyright (C) 2011-2021 Free Software Foundation, Inc.
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)
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.
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/>.
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.
27 #include <testsuite_hooks.h>
29 class tstring
: public std::basic_string
<wchar_t>
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;
42 VERIFY( b
.size() == 1 && b
[0] == L
'1' && a
.size() == 0 );
44 tstring
c(std::move(b
));
45 VERIFY( c
.size() == 1 && c
[0] == L
'1' );
46 VERIFY( b
.size() == 0 );