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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, c++20
// <mdspan>
// constexpr data_handle_type offset(data_handle_type p, size_t i) const noexcept;
//
// Effects: Equivalent to: return p+i;
#include <mdspan>
#include <cassert>
#include <type_traits>
#include "test_macros.h"
#include "../MinimalElementType.h"
template <class T>
constexpr void test_offset() {
ElementPool<std::remove_const_t<T>, 10> data;
T* ptr = data.get_ptr();
std::default_accessor<T> acc;
for(int i = 0; i < 10; i++) {
static_assert(std::is_same_v<decltype(acc.offset(ptr, i)), typename std::default_accessor<T>::data_handle_type>);
ASSERT_NOEXCEPT(acc.offset(ptr, i));
assert(acc.offset(ptr, i) == ptr + i);
}
}
constexpr bool test() {
test_offset<int>();
test_offset<const int>();
test_offset<MinimalElementType>();
test_offset<const MinimalElementType>();
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
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