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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/underlying_type/requirements/typedefs-2.cc
1 // { dg-do compile { target c++11 } }
3 // Copyright (C) 2011-2022 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
21 // NB: This file is for testing type_traits with NO OTHER INCLUDES.
23 #include <type_traits>
29 enum E1
: unsigned { };
32 enum class E4
: unsigned char { c
= 1 };
33 enum class E5
: int { a
= -1, b
= 1 };
34 enum class E6
: long { c
= __LONG_MAX__
};
36 static_assert(is_same
<underlying_type
<E1
>::type
, unsigned>::value
, "Error");
37 static_assert(is_same
<underlying_type
<E2
>::type
, char>::value
, "Error");
38 static_assert(is_same
<underlying_type
<E3
>::type
, int>::value
, "Error");
39 static_assert(is_same
<underlying_type
<E4
>::type
,
40 unsigned char>::value
, "Error");
41 static_assert(is_same
<underlying_type
<E5
>::type
, int>::value
, "Error");
42 static_assert(is_same
<underlying_type
<E6
>::type
, long>::value
, "Error");