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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
// UNSUPPORTED: libcpp-has-no-incomplete-ranges
// static constexpr size_t size() noexcept;
#include <ranges>
#include <cassert>
#include "test_macros.h"
constexpr bool test() {
{
auto sv = std::ranges::single_view<int>(42);
assert(sv.size() == 1);
ASSERT_SAME_TYPE(decltype(sv.size()), size_t);
static_assert(noexcept(sv.size()));
}
{
const auto sv = std::ranges::single_view<int>(42);
assert(sv.size() == 1);
ASSERT_SAME_TYPE(decltype(sv.size()), size_t);
static_assert(noexcept(sv.size()));
}
{
auto sv = std::ranges::single_view<int>(42);
assert(std::ranges::size(sv) == 1);
ASSERT_SAME_TYPE(decltype(std::ranges::size(sv)), size_t);
static_assert(noexcept(std::ranges::size(sv)));
}
{
const auto sv = std::ranges::single_view<int>(42);
assert(std::ranges::size(sv) == 1);
ASSERT_SAME_TYPE(decltype(std::ranges::size(sv)), size_t);
static_assert(noexcept(std::ranges::size(sv)));
}
// Test that it's static.
{
assert(std::ranges::single_view<int>::size() == 1);
ASSERT_SAME_TYPE(decltype(std::ranges::single_view<int>::size()), size_t);
static_assert(noexcept(std::ranges::single_view<int>::size()));
}
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
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