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_trivially_copyable
13
14 // XFAIL: gcc-4.9
15
16 #include <type_traits>
17 #include <cassert>
18 #include "test_macros.h"
19
20 template <class T>
test_is_trivially_copyable()21 void test_is_trivially_copyable()
22 {
23 static_assert( std::is_trivially_copyable<T>::value, "");
24 static_assert( std::is_trivially_copyable<const T>::value, "");
25 static_assert(!std::is_trivially_copyable<volatile T>::value, "");
26 static_assert(!std::is_trivially_copyable<const volatile T>::value, "");
27 #if TEST_STD_VER > 14
28 static_assert( std::is_trivially_copyable_v<T>, "");
29 static_assert( std::is_trivially_copyable_v<const T>, "");
30 static_assert(!std::is_trivially_copyable_v<volatile T>, "");
31 static_assert(!std::is_trivially_copyable_v<const volatile T>, "");
32 #endif
33 }
34
35 template <class T>
test_is_not_trivially_copyable()36 void test_is_not_trivially_copyable()
37 {
38 static_assert(!std::is_trivially_copyable<T>::value, "");
39 static_assert(!std::is_trivially_copyable<const T>::value, "");
40 static_assert(!std::is_trivially_copyable<volatile T>::value, "");
41 static_assert(!std::is_trivially_copyable<const volatile T>::value, "");
42 #if TEST_STD_VER > 14
43 static_assert(!std::is_trivially_copyable_v<T>, "");
44 static_assert(!std::is_trivially_copyable_v<const T>, "");
45 static_assert(!std::is_trivially_copyable_v<volatile T>, "");
46 static_assert(!std::is_trivially_copyable_v<const volatile T>, "");
47 #endif
48 }
49
50 struct A
51 {
52 int i_;
53 };
54
55 struct B
56 {
57 int i_;
~BB58 ~B() {assert(i_ == 0);}
59 };
60
61 class C
62 {
63 public:
64 C();
65 };
66
main()67 int main()
68 {
69 test_is_trivially_copyable<int> ();
70 test_is_trivially_copyable<const int> ();
71 test_is_trivially_copyable<A> ();
72 test_is_trivially_copyable<const A> ();
73 test_is_trivially_copyable<C> ();
74
75 test_is_not_trivially_copyable<int&> ();
76 test_is_not_trivially_copyable<const A&> ();
77 test_is_not_trivially_copyable<B> ();
78 }
79