47 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// add_cv12 13#include <type_traits>14 15#include "test_macros.h"16 17template <class T, class U>18void test_add_cv_imp()19{20 ASSERT_SAME_TYPE(const volatile U, typename std::add_cv<T>::type);21#if TEST_STD_VER > 1122 ASSERT_SAME_TYPE(const volatile U, std::add_cv_t<T>);23#endif24}25 26template <class T>27void test_add_cv()28{29 test_add_cv_imp<T, const volatile T>();30 test_add_cv_imp<const T, const volatile T>();31 test_add_cv_imp<volatile T, volatile const T>();32 test_add_cv_imp<const volatile T, const volatile T>();33}34 35int main(int, char**)36{37 test_add_cv<void>();38 test_add_cv<int>();39 test_add_cv<int[3]>();40 test_add_cv<int&>();41 test_add_cv<const int&>();42 test_add_cv<int*>();43 test_add_cv<const int*>();44 45 return 0;46}47