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 // UNSUPPORTED: c++03, c++11
10 // type_traits
11 
12 // is_final
13 
14 #include <type_traits>
15 #include "test_macros.h"
16 
17 struct P final { };
18 union U1 { };
19 union U2 final { };
20 
21 template <class T>
test_is_final()22 void test_is_final()
23 {
24     static_assert( std::is_final<T>::value, "");
25     static_assert( std::is_final<const T>::value, "");
26     static_assert( std::is_final<volatile T>::value, "");
27     static_assert( std::is_final<const volatile T>::value, "");
28 #if TEST_STD_VER > 14
29     static_assert( std::is_final_v<T>, "");
30     static_assert( std::is_final_v<const T>, "");
31     static_assert( std::is_final_v<volatile T>, "");
32     static_assert( std::is_final_v<const volatile T>, "");
33 #endif
34 }
35 
36 template <class T>
test_is_not_final()37 void test_is_not_final()
38 {
39     static_assert(!std::is_final<T>::value, "");
40     static_assert(!std::is_final<const T>::value, "");
41     static_assert(!std::is_final<volatile T>::value, "");
42     static_assert(!std::is_final<const volatile T>::value, "");
43 #if TEST_STD_VER > 14
44     static_assert(!std::is_final_v<T>, "");
45     static_assert(!std::is_final_v<const T>, "");
46     static_assert(!std::is_final_v<volatile T>, "");
47     static_assert(!std::is_final_v<const volatile T>, "");
48 #endif
49 }
50 
main(int,char **)51 int main(int, char**)
52 {
53     test_is_not_final<int>();
54     test_is_not_final<int*>();
55     test_is_final    <P>();
56     test_is_not_final<P*>();
57     test_is_not_final<U1>();
58     test_is_not_final<U1*>();
59     test_is_final    <U2>();
60     test_is_not_final<U2*>();
61 
62   return 0;
63 }
64