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 // alignment_of
13
14 #include <type_traits>
15 #include <cstdint>
16
17 #include "test_macros.h"
18
19 template <class T, unsigned A>
test_alignment_of()20 void test_alignment_of()
21 {
22 static_assert( std::alignment_of<T>::value == A, "");
23 static_assert( std::alignment_of<const T>::value == A, "");
24 static_assert( std::alignment_of<volatile T>::value == A, "");
25 static_assert( std::alignment_of<const volatile T>::value == A, "");
26 #if TEST_STD_VER > 14
27 static_assert( std::alignment_of_v<T> == A, "");
28 static_assert( std::alignment_of_v<const T> == A, "");
29 static_assert( std::alignment_of_v<volatile T> == A, "");
30 static_assert( std::alignment_of_v<const volatile T> == A, "");
31 #endif
32 }
33
34 class Class
35 {
36 public:
37 ~Class();
38 };
39
main()40 int main()
41 {
42 test_alignment_of<int&, 4>();
43 test_alignment_of<Class, 1>();
44 test_alignment_of<int*, sizeof(intptr_t)>();
45 test_alignment_of<const int*, sizeof(intptr_t)>();
46 test_alignment_of<char[3], 1>();
47 test_alignment_of<int, 4>();
48 test_alignment_of<double, 8>();
49 #if (defined(__ppc__) && !defined(__ppc64__))
50 test_alignment_of<bool, 4>(); // 32-bit PPC has four byte bool
51 #else
52 test_alignment_of<bool, 1>();
53 #endif
54 test_alignment_of<unsigned, 4>();
55 }
56