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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
// <span>
//
// constexpr span<T, Extent>::span(Iterator, size_type);
//
// Check that the passed size is equal to the statically known extent.
// Note that it doesn't make sense to validate the incoming size in the
// dynamic_extent version.
// REQUIRES: has-unix-headers
// XFAIL: availability-verbose_abort-missing
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_ASSERTIONS=1
#include <array>
#include <span>
#include "check_assertion.h"
int main(int, char**) {
std::array<int, 3> array{0, 1, 2};
auto too_large = [&] { std::span<int, 3> const s(array.data(), 4); (void)s; };
TEST_LIBCPP_ASSERT_FAILURE(too_large(), "size mismatch in span's constructor (iterator, len)");
auto too_small = [&] { std::span<int, 3> const s(array.data(), 2); (void)s; };
TEST_LIBCPP_ASSERT_FAILURE(too_small(), "size mismatch in span's constructor (iterator, len)");
return 0;
}