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// { dg-do run { target c++11 } }
// { dg-require-string-conversions "" }
// Copyright (C) 2010-2020 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 changes
// this test may begin to fail.
#include <string>
#include <utility>
#include <testsuite_hooks.h>
void test01()
{
std::string a, b;
a.push_back('1');
b.assign(std::move(a));
VERIFY( b.size() == 1 && b[0] == '1' && a.size() == 0 );
// True for std::allocator because is_always_equal, but not true in general:
static_assert(noexcept(a.assign(std::move(b))), "lwg 2063");
}
int main()
{
test01();
return 0;
}
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