forked from OSchip/llvm-project
107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// type_traits
|
|
|
|
// is_integral
|
|
|
|
#include <type_traits>
|
|
#include <cstddef> // for std::nullptr_t
|
|
#include "test_macros.h"
|
|
|
|
template <class T>
|
|
void test_is_integral()
|
|
{
|
|
static_assert( std::is_integral<T>::value, "");
|
|
static_assert( std::is_integral<const T>::value, "");
|
|
static_assert( std::is_integral<volatile T>::value, "");
|
|
static_assert( std::is_integral<const volatile T>::value, "");
|
|
#if TEST_STD_VER > 14
|
|
static_assert( std::is_integral_v<T>, "");
|
|
static_assert( std::is_integral_v<const T>, "");
|
|
static_assert( std::is_integral_v<volatile T>, "");
|
|
static_assert( std::is_integral_v<const volatile T>, "");
|
|
#endif
|
|
}
|
|
|
|
template <class T>
|
|
void test_is_not_integral()
|
|
{
|
|
static_assert(!std::is_integral<T>::value, "");
|
|
static_assert(!std::is_integral<const T>::value, "");
|
|
static_assert(!std::is_integral<volatile T>::value, "");
|
|
static_assert(!std::is_integral<const volatile T>::value, "");
|
|
#if TEST_STD_VER > 14
|
|
static_assert(!std::is_integral_v<T>, "");
|
|
static_assert(!std::is_integral_v<const T>, "");
|
|
static_assert(!std::is_integral_v<volatile T>, "");
|
|
static_assert(!std::is_integral_v<const volatile T>, "");
|
|
#endif
|
|
}
|
|
|
|
class Empty
|
|
{
|
|
};
|
|
|
|
class NotEmpty
|
|
{
|
|
virtual ~NotEmpty();
|
|
};
|
|
|
|
union Union {};
|
|
|
|
struct bit_zero
|
|
{
|
|
int : 0;
|
|
};
|
|
|
|
class Abstract
|
|
{
|
|
virtual ~Abstract() = 0;
|
|
};
|
|
|
|
enum Enum {zero, one};
|
|
struct incomplete_type;
|
|
|
|
typedef void (*FunctionPtr)();
|
|
|
|
|
|
int main()
|
|
{
|
|
test_is_integral<short>();
|
|
test_is_integral<unsigned short>();
|
|
test_is_integral<int>();
|
|
test_is_integral<unsigned int>();
|
|
test_is_integral<long>();
|
|
test_is_integral<unsigned long>();
|
|
test_is_integral<bool>();
|
|
test_is_integral<char>();
|
|
test_is_integral<signed char>();
|
|
test_is_integral<unsigned char>();
|
|
test_is_integral<wchar_t>();
|
|
|
|
test_is_not_integral<std::nullptr_t>();
|
|
test_is_not_integral<void>();
|
|
test_is_not_integral<int&>();
|
|
test_is_not_integral<int&&>();
|
|
test_is_not_integral<int*>();
|
|
test_is_not_integral<double>();
|
|
test_is_not_integral<const int*>();
|
|
test_is_not_integral<char[3]>();
|
|
test_is_not_integral<char[]>();
|
|
test_is_not_integral<Union>();
|
|
test_is_not_integral<Enum>();
|
|
test_is_not_integral<FunctionPtr>();
|
|
test_is_not_integral<Empty>();
|
|
test_is_not_integral<bit_zero>();
|
|
test_is_not_integral<NotEmpty>();
|
|
test_is_not_integral<Abstract>();
|
|
test_is_not_integral<incomplete_type>();
|
|
}
|