blob: 7f63ae40aca78ab4537510ed05275c5c62cd1de1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// type_traits
// is_const
#include <type_traits>
#include "test_macros.h"
template <class T>
void test_is_const()
{
static_assert(!std::is_const<T>::value, "");
static_assert( std::is_const<const T>::value, "");
static_assert(!std::is_const<volatile T>::value, "");
static_assert( std::is_const<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert(!std::is_const_v<T>, "");
static_assert( std::is_const_v<const T>, "");
static_assert(!std::is_const_v<volatile T>, "");
static_assert( std::is_const_v<const volatile T>, "");
#endif
}
int main()
{
test_is_const<void>();
test_is_const<int>();
test_is_const<double>();
test_is_const<int*>();
test_is_const<const int*>();
test_is_const<char[3]>();
test_is_const<char[]>();
static_assert(!std::is_const<int&>::value, "");
static_assert(!std::is_const<const int&>::value, "");
}
|
