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libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_fundamental.pass.cpp

116 lines
3.2 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_fundamental
#include <type_traits>
#include <cstddef> // for std::nullptr_t
#include "test_macros.h"
template <class T>
void test_is_fundamental()
{
static_assert( std::is_fundamental<T>::value, "");
static_assert( std::is_fundamental<const T>::value, "");
static_assert( std::is_fundamental<volatile T>::value, "");
static_assert( std::is_fundamental<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert( std::is_fundamental_v<T>, "");
static_assert( std::is_fundamental_v<const T>, "");
static_assert( std::is_fundamental_v<volatile T>, "");
static_assert( std::is_fundamental_v<const volatile T>, "");
#endif
}
template <class T>
void test_is_not_fundamental()
{
static_assert(!std::is_fundamental<T>::value, "");
static_assert(!std::is_fundamental<const T>::value, "");
static_assert(!std::is_fundamental<volatile T>::value, "");
static_assert(!std::is_fundamental<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert(!std::is_fundamental_v<T>, "");
static_assert(!std::is_fundamental_v<const T>, "");
static_assert(!std::is_fundamental_v<volatile T>, "");
static_assert(!std::is_fundamental_v<const volatile T>, "");
#endif
}
class incomplete_type;
class Empty
{
};
class NotEmpty
{
virtual ~NotEmpty();
};
union Union {};
struct bit_zero
{
int : 0;
};
class Abstract
{
virtual ~Abstract() = 0;
};
enum Enum {zero, one};
typedef void (*FunctionPtr)();
int main()
{
test_is_fundamental<std::nullptr_t>();
test_is_fundamental<void>();
test_is_fundamental<short>();
test_is_fundamental<unsigned short>();
test_is_fundamental<int>();
test_is_fundamental<unsigned int>();
test_is_fundamental<long>();
test_is_fundamental<unsigned long>();
test_is_fundamental<long long>();
test_is_fundamental<unsigned long long>();
test_is_fundamental<bool>();
test_is_fundamental<char>();
test_is_fundamental<signed char>();
test_is_fundamental<unsigned char>();
test_is_fundamental<wchar_t>();
test_is_fundamental<double>();
test_is_fundamental<float>();
test_is_fundamental<double>();
test_is_fundamental<long double>();
test_is_fundamental<char16_t>();
test_is_fundamental<char32_t>();
test_is_not_fundamental<char[3]>();
test_is_not_fundamental<char[]>();
test_is_not_fundamental<void *>();
test_is_not_fundamental<FunctionPtr>();
test_is_not_fundamental<int&>();
test_is_not_fundamental<int&&>();
test_is_not_fundamental<Union>();
test_is_not_fundamental<Empty>();
test_is_not_fundamental<incomplete_type>();
test_is_not_fundamental<bit_zero>();
test_is_not_fundamental<int*>();
test_is_not_fundamental<const int*>();
test_is_not_fundamental<Enum>();
test_is_not_fundamental<NotEmpty>();
test_is_not_fundamental<Abstract>();
}