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 // is_trivial
13
14 #include <type_traits>
15 #include "test_macros.h"
16
17 template <class T>
test_is_trivial()18 void test_is_trivial()
19 {
20 static_assert( std::is_trivial<T>::value, "");
21 static_assert( std::is_trivial<const T>::value, "");
22 static_assert( std::is_trivial<volatile T>::value, "");
23 static_assert( std::is_trivial<const volatile T>::value, "");
24 #if TEST_STD_VER > 14
25 static_assert( std::is_trivial_v<T>, "");
26 static_assert( std::is_trivial_v<const T>, "");
27 static_assert( std::is_trivial_v<volatile T>, "");
28 static_assert( std::is_trivial_v<const volatile T>, "");
29 #endif
30 }
31
32 template <class T>
test_is_not_trivial()33 void test_is_not_trivial()
34 {
35 static_assert(!std::is_trivial<T>::value, "");
36 static_assert(!std::is_trivial<const T>::value, "");
37 static_assert(!std::is_trivial<volatile T>::value, "");
38 static_assert(!std::is_trivial<const volatile T>::value, "");
39 #if TEST_STD_VER > 14
40 static_assert(!std::is_trivial_v<T>, "");
41 static_assert(!std::is_trivial_v<const T>, "");
42 static_assert(!std::is_trivial_v<volatile T>, "");
43 static_assert(!std::is_trivial_v<const volatile T>, "");
44 #endif
45 }
46
47 struct A {};
48
49 class B
50 {
51 public:
52 B();
53 };
54
main()55 int main()
56 {
57 test_is_trivial<int> ();
58 test_is_trivial<A> ();
59
60 test_is_not_trivial<int&> ();
61 test_is_not_trivial<volatile int&> ();
62 test_is_not_trivial<B> ();
63 }
64