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// is_trivial
12
13#include <type_traits>
14#include "test_macros.h"
15
16template <class T>
17void test_is_trivial()
18{
19 static_assert( std::is_trivial<T>::value, "");
20 static_assert( std::is_trivial<const T>::value, "");
21 static_assert( std::is_trivial<volatile T>::value, "");
22 static_assert( std::is_trivial<const volatile T>::value, "");
23#if TEST_STD_VER > 14
24 static_assert( std::is_trivial_v<T>, "");
25 static_assert( std::is_trivial_v<const T>, "");
26 static_assert( std::is_trivial_v<volatile T>, "");
27 static_assert( std::is_trivial_v<const volatile T>, "");
28#endif
29}
30
31template <class T>
32void test_is_not_trivial()
33{
34 static_assert(!std::is_trivial<T>::value, "");
35 static_assert(!std::is_trivial<const T>::value, "");
36 static_assert(!std::is_trivial<volatile T>::value, "");
37 static_assert(!std::is_trivial<const volatile T>::value, "");
38#if TEST_STD_VER > 14
39 static_assert(!std::is_trivial_v<T>, "");
40 static_assert(!std::is_trivial_v<const T>, "");
41 static_assert(!std::is_trivial_v<volatile T>, "");
42 static_assert(!std::is_trivial_v<const volatile T>, "");
43#endif
44}
45
46struct A {};
47
48class B
49{
50public:
51 B();
52};
53
54int main(int, char**)
55{
56 test_is_trivial<int> ();
57 test_is_trivial<A> ();
58
59 test_is_not_trivial<int&> ();
60 test_is_not_trivial<volatile int&> ();
61 test_is_not_trivial<B> ();
62
63 return 0;
64}
65

source code of libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_trivial.pass.cpp