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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
// template<class T>
// concept integral = // see below
#include <concepts>
#include <type_traits>
#include "arithmetic.h"
#include "test_macros.h"
template <typename T>
constexpr bool CheckIntegralQualifiers() {
constexpr bool result = std::integral<T>;
static_assert(std::integral<const T> == result);
static_assert(std::integral<volatile T> == result);
static_assert(std::integral<const volatile T> == result);
static_assert(!std::integral<T&>);
static_assert(!std::integral<const T&>);
static_assert(!std::integral<volatile T&>);
static_assert(!std::integral<const volatile T&>);
static_assert(!std::integral<T&&>);
static_assert(!std::integral<const T&&>);
static_assert(!std::integral<volatile T&&>);
static_assert(!std::integral<const volatile T&&>);
static_assert(!std::integral<T*>);
static_assert(!std::integral<const T*>);
static_assert(!std::integral<volatile T*>);
static_assert(!std::integral<const volatile T*>);
static_assert(!std::integral<T (*)()>);
static_assert(!std::integral<T (&)()>);
static_assert(!std::integral<T(&&)()>);
return result;
}
// standard signed and unsigned integers
static_assert(CheckIntegralQualifiers<signed char>());
static_assert(CheckIntegralQualifiers<unsigned char>());
static_assert(CheckIntegralQualifiers<short>());
static_assert(CheckIntegralQualifiers<unsigned short>());
static_assert(CheckIntegralQualifiers<int>());
static_assert(CheckIntegralQualifiers<unsigned int>());
static_assert(CheckIntegralQualifiers<long>());
static_assert(CheckIntegralQualifiers<unsigned long>());
static_assert(CheckIntegralQualifiers<long long>());
static_assert(CheckIntegralQualifiers<unsigned long long>());
// extended integers
#ifndef TEST_HAS_NO_INT128
static_assert(CheckIntegralQualifiers<__int128_t>());
static_assert(CheckIntegralQualifiers<__uint128_t>());
#endif
// bool and char types are also integral
static_assert(CheckIntegralQualifiers<wchar_t>());
static_assert(CheckIntegralQualifiers<bool>());
static_assert(CheckIntegralQualifiers<char>());
static_assert(CheckIntegralQualifiers<char8_t>());
static_assert(CheckIntegralQualifiers<char16_t>());
static_assert(CheckIntegralQualifiers<char32_t>());
// types that aren't integral
static_assert(!std::integral<void>);
static_assert(!CheckIntegralQualifiers<float>());
static_assert(!CheckIntegralQualifiers<double>());
static_assert(!CheckIntegralQualifiers<long double>());
static_assert(!CheckIntegralQualifiers<ClassicEnum>());
static_assert(!CheckIntegralQualifiers<ScopedEnum>());
static_assert(!CheckIntegralQualifiers<EmptyStruct>());
static_assert(!CheckIntegralQualifiers<int EmptyStruct::*>());
static_assert(!CheckIntegralQualifiers<int (EmptyStruct::*)()>());
static_assert(CheckSubsumption(0));
static_assert(CheckSubsumption(0U));
int main(int, char**) { return 0; }
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