brintos

brintos / llvm-project-archived public Read only

0
0
Text · 1.4 KiB · cb0fc3c Raw
50 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// type_traits10 11// is_volatile12 13#include <type_traits>14#include "test_macros.h"15 16template <class T>17void test_is_volatile()18{19    static_assert(!std::is_volatile<T>::value, "");20    static_assert(!std::is_volatile<const T>::value, "");21    static_assert( std::is_volatile<volatile T>::value, "");22    static_assert( std::is_volatile<const volatile T>::value, "");23#if TEST_STD_VER > 1424    static_assert(!std::is_volatile_v<T>, "");25    static_assert(!std::is_volatile_v<const T>, "");26    static_assert( std::is_volatile_v<volatile T>, "");27    static_assert( std::is_volatile_v<const volatile T>, "");28#endif29}30 31struct A; // incomplete32 33int main(int, char**)34{35    test_is_volatile<void>();36    test_is_volatile<int>();37    test_is_volatile<double>();38    test_is_volatile<int*>();39    test_is_volatile<const int*>();40    test_is_volatile<char[3]>();41    test_is_volatile<char[]>();42 43    test_is_volatile<A>();44 45    static_assert(!std::is_volatile<int&>::value, "");46    static_assert(!std::is_volatile<volatile int&>::value, "");47 48  return 0;49}50