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// { dg-do run { target c++11 } }
// Copyright (C) 2012-2022 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/>.
// 23.3.4.2 forward_list construction [forwardlist.cons]
#include <forward_list>
bool fail = false;
struct A
{
A() = default;
A(const A&) { if (fail) throw fail; }
A& operator=(const A&) = default;
};
void test01()
{
typedef std::forward_list<A> list;
list l(2);
A from[2];
fail = true;
// Check existing elements are assigned to, instead of creating new ones.
// This is QoI, not required by the standard.
l.assign(from, from+2);
l.assign(2, from[0]);
}
int main()
{
test01();
}
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