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// Copyright (C) 2020-2024 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/>.
// { dg-do run { target c++20 } }
#include <algorithm>
#include <cstring>
#include <deque>
#include <list>
#include <memory>
#include <span>
#include <string>
#include <vector>
#include <testsuite_hooks.h>
#include <testsuite_iterators.h>
using __gnu_test::test_range;
using __gnu_test::input_iterator_wrapper_nocopy;
namespace ranges = std::ranges;
struct X
{
X()
{ ++count; }
~X()
{ --count; }
static inline int count = 0;
};
void
test01()
{
for (int k = 0; k < 3; k++)
{
constexpr int size = 1024;
auto buffer = std::unique_ptr<char[]>(new char[sizeof(X)*size]);
std::span<X> rx((X *)buffer.get(), size);
ranges::uninitialized_default_construct(rx);
VERIFY( X::count == size );
auto i = rx.begin();
if (k == 0)
i = ranges::destroy(rx);
else if (k == 1)
i = ranges::destroy(rx.begin(), rx.end());
else if (k == 2)
i = ranges::destroy_n(rx.begin(), size);
else
__builtin_abort();
VERIFY( i == rx.end() );
VERIFY( X::count == 0 );
}
}
void
test02()
{
// LWG 3355
{
int x[3] = {0};
test_range<int, input_iterator_wrapper_nocopy> rx(x);
ranges::destroy(rx);
ranges::destroy_n(rx.begin(), 3);
}
}
int
main()
{
test01();
}
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