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 20 template <class T> 21 void 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 39 template <class T> 40 void 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 48 struct incomplete_type; 49 50 int 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 58 int main() {} 59 #endif 60
