1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// type_traits 11 12// nullptr_t 13// is_null_pointer 14 15#include <type_traits> 16#include <cstddef> // for std::nullptr_t 17#include "test_macros.h" 18 19#if TEST_STD_VER > 11 20template <class T> 21void test_nullptr_imp() 22{ 23 static_assert(!std::is_void<T>::value, ""); 24 static_assert( std::is_null_pointer<T>::value, ""); 25 static_assert(!std::is_integral<T>::value, ""); 26 static_assert(!std::is_floating_point<T>::value, ""); 27 static_assert(!std::is_array<T>::value, ""); 28 static_assert(!std::is_pointer<T>::value, ""); 29 static_assert(!std::is_lvalue_reference<T>::value, ""); 30 static_assert(!std::is_rvalue_reference<T>::value, ""); 31 static_assert(!std::is_member_object_pointer<T>::value, ""); 32 static_assert(!std::is_member_function_pointer<T>::value, ""); 33 static_assert(!std::is_enum<T>::value, ""); 34 static_assert(!std::is_union<T>::value, ""); 35 static_assert(!std::is_class<T>::value, ""); 36 static_assert(!std::is_function<T>::value, ""); 37} 38 39template <class T> 40void test_nullptr() 41{ 42 test_nullptr_imp<T>(); 43 test_nullptr_imp<const T>(); 44 test_nullptr_imp<volatile T>(); 45 test_nullptr_imp<const volatile T>(); 46} 47 48struct incomplete_type; 49 50int main() 51{ 52 test_nullptr<std::nullptr_t>(); 53 54// LWG#2582 55 static_assert(!std::is_null_pointer<incomplete_type>::value, ""); 56} 57#else 58int main() {} 59#endif 60