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 // UNSUPPORTED: c++98, c++03, c++11
11 // type_traits
12
13 // is_final
14
15 #include <type_traits>
16 #include "test_macros.h"
17
18 struct P final { };
19 union U1 { };
20 union U2 final { };
21
22 template <class T>
test_is_final()23 void test_is_final()
24 {
25 static_assert( std::is_final<T>::value, "");
26 static_assert( std::is_final<const T>::value, "");
27 static_assert( std::is_final<volatile T>::value, "");
28 static_assert( std::is_final<const volatile T>::value, "");
29 #if TEST_STD_VER > 14
30 static_assert( std::is_final_v<T>, "");
31 static_assert( std::is_final_v<const T>, "");
32 static_assert( std::is_final_v<volatile T>, "");
33 static_assert( std::is_final_v<const volatile T>, "");
34 #endif
35 }
36
37 template <class T>
test_is_not_final()38 void test_is_not_final()
39 {
40 static_assert(!std::is_final<T>::value, "");
41 static_assert(!std::is_final<const T>::value, "");
42 static_assert(!std::is_final<volatile T>::value, "");
43 static_assert(!std::is_final<const volatile T>::value, "");
44 #if TEST_STD_VER > 14
45 static_assert(!std::is_final_v<T>, "");
46 static_assert(!std::is_final_v<const T>, "");
47 static_assert(!std::is_final_v<volatile T>, "");
48 static_assert(!std::is_final_v<const volatile T>, "");
49 #endif
50 }
51
main()52 int main ()
53 {
54 test_is_not_final<int>();
55 test_is_not_final<int*>();
56 test_is_final <P>();
57 test_is_not_final<P*>();
58 test_is_not_final<U1>();
59 test_is_not_final<U1*>();
60 test_is_final <U2>();
61 test_is_not_final<U2*>();
62 }
63