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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
//
//===----------------------------------------------------------------------===//
// type_traits
// extent
#include <type_traits>
#include "test_macros.h"
template <class T, unsigned A>
void test_extent()
{
static_assert((std::extent<T>::value == A), "");
static_assert((std::extent<const T>::value == A), "");
static_assert((std::extent<volatile T>::value == A), "");
static_assert((std::extent<const volatile T>::value == A), "");
#if TEST_STD_VER > 14
static_assert((std::extent_v<T> == A), "");
static_assert((std::extent_v<const T> == A), "");
static_assert((std::extent_v<volatile T> == A), "");
static_assert((std::extent_v<const volatile T> == A), "");
#endif
}
template <class T, unsigned A>
void test_extent1()
{
static_assert((std::extent<T, 1>::value == A), "");
static_assert((std::extent<const T, 1>::value == A), "");
static_assert((std::extent<volatile T, 1>::value == A), "");
static_assert((std::extent<const volatile T, 1>::value == A), "");
#if TEST_STD_VER > 14
static_assert((std::extent_v<T, 1> == A), "");
static_assert((std::extent_v<const T, 1> == A), "");
static_assert((std::extent_v<volatile T, 1> == A), "");
static_assert((std::extent_v<const volatile T, 1> == A), "");
#endif
}
class Class
{
public:
~Class();
};
int main(int, char**)
{
test_extent<void, 0>();
test_extent<int&, 0>();
test_extent<Class, 0>();
test_extent<int*, 0>();
test_extent<const int*, 0>();
test_extent<int, 0>();
test_extent<double, 0>();
test_extent<bool, 0>();
test_extent<unsigned, 0>();
test_extent<int[2], 2>();
test_extent<int[2][4], 2>();
test_extent<int[][4], 0>();
test_extent1<int, 0>();
test_extent1<int[2], 0>();
test_extent1<int[2][4], 4>();
test_extent1<int[][4], 4>();
return 0;
}
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