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// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// Copyright (C) 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/>.
#include <optional>
#include <testsuite_hooks.h>
struct aggressive_aggregate
{
int a;
int b;
};
void test01()
{
std::optional<aggressive_aggregate> x;
x.emplace(1, 2);
VERIFY(x->a == 1);
VERIFY(x->b == 2);
x.emplace(1);
VERIFY(x->a == 1);
VERIFY(x->b == 0);
x.emplace();
VERIFY(x->a == 0);
VERIFY(x->b == 0);
}
int main()
{
test01();
}
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