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// Copyright (C) 2013-2019 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/>.
namespace cons_default {
struct tracker
{
tracker() { ++count; }
~tracker() { --count; }
tracker(tracker const&) { ++count; }
tracker(tracker&&) { ++count; }
tracker& operator=(tracker const&) = default;
tracker& operator=(tracker&&) = default;
static int count;
};
int tracker::count = 0;
void test()
{
// [20.5.4.1] Constructors
{
gdb::optional<tracker> o;
VERIFY( !o );
}
{
gdb::optional<tracker> o {};
VERIFY( !o );
}
{
gdb::optional<tracker> o = {};
VERIFY( !o );
}
VERIFY( tracker::count == 0 );
}
} // namespace cons_default
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