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// { dg-options "-std=gnu++17" }
// { dg-do run { target c++17 } }
// Copyright (C) 2011-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// NOTE: This makes use of the fact that we know how moveable
// is implemented on string (via swap). If the implementation changed
// this test may begin to fail.
#include <string>
#include <utility>
#include <testsuite_hooks.h>
class tstring : public std::basic_string<wchar_t>
{
public:
tstring() : std::basic_string<wchar_t>() {}
tstring(tstring&& s) : std::basic_string<wchar_t>(std::move(s)) {}
tstring& operator=(tstring&& s) = default;
};
void test01()
{
tstring a, b;
a.push_back(L'1');
b = std::move(a);
VERIFY( b.size() == 1 && b[0] == L'1' && a.size() == 0 );
tstring c(std::move(b));
VERIFY( c.size() == 1 && c[0] == L'1' );
VERIFY( b.size() == 0 );
}
int main()
{
test01();
return 0;
}
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