1 // { dg-options "-std=gnu++11" }
2 // { dg-do compile }
3 //
4 // Copyright (C) 2011-2016 Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
10 // any later version.
11 //
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16 //
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING3. If not see
19 // <http://www.gnu.org/licenses/>.
20
21 //
22 // NB: This file is for testing type_traits with NO OTHER INCLUDES.
23
24 #include <type_traits>
25
test01()26 void test01()
27 {
28 using namespace std;
29
30 enum E1 : unsigned { };
31 enum E2 : char { };
32 enum class E3 { };
33 enum class E4 : unsigned char { c = 1 };
34 enum class E5 : int { a = -1, b = 1 };
35 enum class E6 : long { c = __LONG_MAX__ };
36
37 static_assert(is_same<underlying_type<E1>::type, unsigned>::value, "Error");
38 static_assert(is_same<underlying_type<E2>::type, char>::value, "Error");
39 static_assert(is_same<underlying_type<E3>::type, int>::value, "Error");
40 static_assert(is_same<underlying_type<E4>::type,
41 unsigned char>::value, "Error");
42 static_assert(is_same<underlying_type<E5>::type, int>::value, "Error");
43 static_assert(is_same<underlying_type<E6>::type, long>::value, "Error");
44 }
45