| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // type_traits |
| |
| // is_volatile |
| |
| #include <type_traits> |
| #include "test_macros.h" |
| |
| template <class T> |
| void test_is_volatile() |
| { |
| static_assert(!std::is_volatile<T>::value, ""); |
| static_assert(!std::is_volatile<const T>::value, ""); |
| static_assert( std::is_volatile<volatile T>::value, ""); |
| static_assert( std::is_volatile<const volatile T>::value, ""); |
| #if TEST_STD_VER > 14 |
| static_assert(!std::is_volatile_v<T>, ""); |
| static_assert(!std::is_volatile_v<const T>, ""); |
| static_assert( std::is_volatile_v<volatile T>, ""); |
| static_assert( std::is_volatile_v<const volatile T>, ""); |
| #endif |
| } |
| |
| struct A; // incomplete |
| |
| int main(int, char**) |
| { |
| test_is_volatile<void>(); |
| test_is_volatile<int>(); |
| test_is_volatile<double>(); |
| test_is_volatile<int*>(); |
| test_is_volatile<const int*>(); |
| test_is_volatile<char[3]>(); |
| test_is_volatile<char[]>(); |
| |
| test_is_volatile<A>(); |
| |
| static_assert(!std::is_volatile<int&>::value, ""); |
| static_assert(!std::is_volatile<volatile int&>::value, ""); |
| |
| return 0; |
| } |