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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// constexpr auto end();
// constexpr auto end() const requires range<const V>;
#include <ranges>
#include <cassert>
#include <concepts>
#include <utility>
#include "test_macros.h"
#include "test_iterators.h"
#include "types.h"
constexpr bool test() {
int buf[8] = {1, 2, 3, 4, 5, 6, 7, 8};
{
SizedRandomAccessView view{buf, buf + 8};
std::ranges::common_view<SizedRandomAccessView> common(view);
std::same_as<RandomAccessIter> auto end = common.end(); // Note this should NOT be the sentinel type.
assert(base(end) == buf + 8);
}
// const version
{
SizedRandomAccessView view{buf, buf + 8};
std::ranges::common_view<SizedRandomAccessView> const common(view);
std::same_as<RandomAccessIter> auto end = common.end(); // Note this should NOT be the sentinel type.
assert(base(end) == buf + 8);
}
return true;
}
int main(int, char**) {
test();
static_assert(test());
{
int buf[8] = {1, 2, 3, 4, 5, 6, 7, 8};
using CommonForwardIter = std::common_iterator<ForwardIter, sized_sentinel<ForwardIter>>;
using CommonIntIter = std::common_iterator<int*, sentinel_wrapper<int*>>;
{
SizedForwardView view{buf, buf + 8};
std::ranges::common_view<SizedForwardView> common(view);
std::same_as<CommonForwardIter> auto end = common.end();
assert(end == CommonForwardIter(std::ranges::end(view)));
}
{
CopyableView view{buf, buf + 8};
std::ranges::common_view<CopyableView> common(view);
std::same_as<CommonIntIter> auto end = common.end();
assert(end == CommonIntIter(std::ranges::end(view)));
}
// const versions
{
SizedForwardView view{buf, buf + 8};
std::ranges::common_view<SizedForwardView> const common(view);
std::same_as<CommonForwardIter> auto end = common.end();
assert(end == CommonForwardIter(std::ranges::end(view)));
}
{
CopyableView view{buf, buf + 8};
std::ranges::common_view<CopyableView> const common(view);
std::same_as<CommonIntIter> auto end = common.end();
assert(end == CommonIntIter(std::ranges::end(view)));
}
}
return 0;
}
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