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 // UNSUPPORTED: c++98, c++03
11
12 // type_traits
13
14 // rvalue_ref
15
16 #include <type_traits>
17 #include "test_macros.h"
18
19 template <class T>
test_rvalue_ref()20 void test_rvalue_ref()
21 {
22 static_assert(!std::is_void<T>::value, "");
23 #if TEST_STD_VER > 11
24 static_assert(!std::is_null_pointer<T>::value, "");
25 #endif
26 static_assert(!std::is_integral<T>::value, "");
27 static_assert(!std::is_floating_point<T>::value, "");
28 static_assert(!std::is_array<T>::value, "");
29 static_assert(!std::is_pointer<T>::value, "");
30 static_assert(!std::is_lvalue_reference<T>::value, "");
31 static_assert( std::is_rvalue_reference<T>::value, "");
32 static_assert(!std::is_member_object_pointer<T>::value, "");
33 static_assert(!std::is_member_function_pointer<T>::value, "");
34 static_assert(!std::is_enum<T>::value, "");
35 static_assert(!std::is_union<T>::value, "");
36 static_assert(!std::is_class<T>::value, "");
37 static_assert(!std::is_function<T>::value, "");
38 }
39
40 struct incomplete_type;
41
main()42 int main()
43 {
44 test_rvalue_ref<int&&>();
45 test_rvalue_ref<const int&&>();
46
47 // LWG#2582
48 static_assert(!std::is_rvalue_reference<incomplete_type>::value, "");
49 }
50