1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // type_traits
11 
12 // add_volatile
13 
14 #include <type_traits>
15 
16 #include "test_macros.h"
17 
18 template <class T, class U>
test_add_volatile_imp()19 void test_add_volatile_imp()
20 {
21     static_assert((std::is_same<typename std::add_volatile<T>::type, volatile U>::value), "");
22 #if TEST_STD_VER > 11
23     static_assert((std::is_same<std::add_volatile_t<T>, U>::value), "");
24 #endif
25 }
26 
27 template <class T>
test_add_volatile()28 void test_add_volatile()
29 {
30     test_add_volatile_imp<T, volatile T>();
31     test_add_volatile_imp<const T, const volatile T>();
32     test_add_volatile_imp<volatile T, volatile T>();
33     test_add_volatile_imp<const volatile T, const volatile T>();
34 }
35 
main()36 int main()
37 {
38     test_add_volatile<void>();
39     test_add_volatile<int>();
40     test_add_volatile<int[3]>();
41     test_add_volatile<int&>();
42     test_add_volatile<const int&>();
43     test_add_volatile<int*>();
44     test_add_volatile<const int*>();
45 }
46