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 // enum
12
13 #include <type_traits>
14 #include "test_macros.h"
15
16 template <class T>
test_enum_imp()17 void test_enum_imp()
18 {
19 static_assert(!std::is_void<T>::value, "");
20 #if TEST_STD_VER > 11
21 static_assert(!std::is_null_pointer<T>::value, "");
22 #endif
23 static_assert(!std::is_integral<T>::value, "");
24 static_assert(!std::is_floating_point<T>::value, "");
25 static_assert(!std::is_array<T>::value, "");
26 static_assert(!std::is_pointer<T>::value, "");
27 static_assert(!std::is_lvalue_reference<T>::value, "");
28 static_assert(!std::is_rvalue_reference<T>::value, "");
29 static_assert(!std::is_member_object_pointer<T>::value, "");
30 static_assert(!std::is_member_function_pointer<T>::value, "");
31 static_assert( std::is_enum<T>::value, "");
32 static_assert(!std::is_union<T>::value, "");
33 static_assert(!std::is_class<T>::value, "");
34 static_assert(!std::is_function<T>::value, "");
35 }
36
37 template <class T>
test_enum()38 void test_enum()
39 {
40 test_enum_imp<T>();
41 test_enum_imp<const T>();
42 test_enum_imp<volatile T>();
43 test_enum_imp<const volatile T>();
44 }
45
46 enum Enum {zero, one};
47 struct incomplete_type;
48
main(int,char **)49 int main(int, char**)
50 {
51 test_enum<Enum>();
52
53 // LWG#2582
54 static_assert(!std::is_enum<incomplete_type>::value, "");
55
56 return 0;
57 }
58