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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
//
//===----------------------------------------------------------------------===//
// <stddef.h>
#include <stddef.h>
#include <cassert>
#include <type_traits>
#include "test_macros.h"
#ifndef NULL
#error NULL not defined
#endif
#ifndef offsetof
#error offsetof not defined
#endif
int main(int, char**)
{
void *p = NULL;
assert(!p);
static_assert(sizeof(size_t) == sizeof(void*),
"sizeof(size_t) == sizeof(void*)");
static_assert(std::is_unsigned<size_t>::value,
"std::is_unsigned<size_t>::value");
static_assert(std::is_integral<size_t>::value,
"std::is_integral<size_t>::value");
static_assert(sizeof(ptrdiff_t) == sizeof(void*),
"sizeof(ptrdiff_t) == sizeof(void*)");
static_assert(std::is_signed<ptrdiff_t>::value,
"std::is_signed<ptrdiff_t>::value");
static_assert(std::is_integral<ptrdiff_t>::value,
"std::is_integral<ptrdiff_t>::value");
static_assert((std::is_same<decltype(nullptr), nullptr_t>::value),
"decltype(nullptr) == nullptr_t");
static_assert(sizeof(nullptr_t) == sizeof(void*),
"sizeof(nullptr_t) == sizeof(void*)");
#if TEST_STD_VER >= 11
#if TEST_STD_VER > 17
// P0767
static_assert(std::is_trivial<max_align_t>::value,
"std::is_trivial<max_align_t>::value");
static_assert(std::is_standard_layout<max_align_t>::value,
"std::is_standard_layout<max_align_t>::value");
#else
static_assert(std::is_pod<max_align_t>::value,
"std::is_pod<max_align_t>::value");
#endif
static_assert((std::alignment_of<max_align_t>::value >=
std::alignment_of<long long>::value),
"std::alignment_of<max_align_t>::value >= "
"std::alignment_of<long long>::value");
static_assert(std::alignment_of<max_align_t>::value >=
std::alignment_of<long double>::value,
"std::alignment_of<max_align_t>::value >= "
"std::alignment_of<long double>::value");
static_assert(std::alignment_of<max_align_t>::value >=
std::alignment_of<void*>::value,
"std::alignment_of<max_align_t>::value >= "
"std::alignment_of<void*>::value");
#endif
return 0;
}
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