| 1 | //===----------------------------------------------------------------------===// |
|---|
| 2 | // |
|---|
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
|---|
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
|---|
| 6 | // |
|---|
| 7 | //===----------------------------------------------------------------------===// |
|---|
| 8 | |
|---|
| 9 | // type_traits |
|---|
| 10 | |
|---|
| 11 | // void |
|---|
| 12 | |
|---|
| 13 | #include <type_traits> |
|---|
| 14 | #include "test_macros.h" |
|---|
| 15 | |
|---|
| 16 | template <class T> |
|---|
| 17 | void test_void_imp() |
|---|
| 18 | { |
|---|
| 19 | static_assert( std::is_void<T>::value, "" ); |
|---|
| 20 | #if TEST_STD_VER > 11 |
|---|
| 21 | static_assert(!std::is_null_pointer<T>::value, "" ); |
|---|
| 22 | #endif |
|---|
| 23 | static_assert(!std::is_integral<T>::value, "" ); |
|---|
| 24 | static_assert(!std::is_floating_point<T>::value, "" ); |
|---|
| 25 | static_assert(!std::is_array<T>::value, "" ); |
|---|
| 26 | static_assert(!std::is_pointer<T>::value, "" ); |
|---|
| 27 | static_assert(!std::is_lvalue_reference<T>::value, "" ); |
|---|
| 28 | static_assert(!std::is_rvalue_reference<T>::value, "" ); |
|---|
| 29 | static_assert(!std::is_member_object_pointer<T>::value, "" ); |
|---|
| 30 | static_assert(!std::is_member_function_pointer<T>::value, "" ); |
|---|
| 31 | static_assert(!std::is_enum<T>::value, "" ); |
|---|
| 32 | static_assert(!std::is_union<T>::value, "" ); |
|---|
| 33 | static_assert(!std::is_class<T>::value, "" ); |
|---|
| 34 | static_assert(!std::is_function<T>::value, "" ); |
|---|
| 35 | } |
|---|
| 36 | |
|---|
| 37 | template <class T> |
|---|
| 38 | void test_void() |
|---|
| 39 | { |
|---|
| 40 | test_void_imp<T>(); |
|---|
| 41 | test_void_imp<const T>(); |
|---|
| 42 | test_void_imp<volatile T>(); |
|---|
| 43 | test_void_imp<const volatile T>(); |
|---|
| 44 | } |
|---|
| 45 | |
|---|
| 46 | struct incomplete_type; |
|---|
| 47 | |
|---|
| 48 | int main(int, char**) |
|---|
| 49 | { |
|---|
| 50 | test_void<void>(); |
|---|
| 51 | |
|---|
| 52 | // LWG#2582 |
|---|
| 53 | static_assert(!std::is_void<incomplete_type>::value, "" ); |
|---|
| 54 | |
|---|
| 55 | return 0; |
|---|
| 56 | } |
|---|
| 57 | |
|---|
