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 // add_cv
12
13 #include <type_traits>
14
15 #include "test_macros.h"
16
17 template <class T, class U>
test_add_cv_imp()18 void test_add_cv_imp()
19 {
20 ASSERT_SAME_TYPE(const volatile U, typename std::add_cv<T>::type);
21 #if TEST_STD_VER > 11
22 ASSERT_SAME_TYPE(const volatile U, std::add_cv_t<T>);
23 #endif
24 }
25
26 template <class T>
test_add_cv()27 void 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
main(int,char **)35 int 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