1// { dg-options "-std=gnu++11 -funsigned-char -fshort-enums" } 2// { dg-options "-std=gnu++11 -funsigned-char -fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux-* } } 3// { dg-do compile } 4 5// 2007-05-03 Benjamin Kosnik <bkoz@redhat.com> 6// 7// Copyright (C) 2007-2015 Free Software Foundation, Inc. 8// 9// This file is part of the GNU ISO C++ Library. This library is free 10// software; you can redistribute it and/or modify it under the 11// terms of the GNU General Public License as published by the 12// Free Software Foundation; either version 3, or (at your option) 13// any later version. 14// 15// This library is distributed in the hope that it will be useful, 16// but WITHOUT ANY WARRANTY; without even the implied warranty of 17// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18// GNU General Public License for more details. 19// 20// You should have received a copy of the GNU General Public License along 21// with this library; see the file COPYING3. If not see 22// <http://www.gnu.org/licenses/>. 23 24#include <type_traits> 25 26// Ensure that this enum has "short" as its underlying type. 27enum test_enum { first_selection = ((unsigned char)-1) + 1 }; 28 29void test01() 30{ 31 using std::make_unsigned; 32 using std::is_same; 33 using std::is_unsigned; 34 using std::is_volatile; 35 36 // Positive tests. 37 typedef make_unsigned<const unsigned int>::type test2_type; 38 static_assert(is_same<test2_type, const unsigned int>::value, ""); 39 40 typedef make_unsigned<const signed int>::type test21c_type; 41 static_assert(is_same<test21c_type, const unsigned int>::value, ""); 42 43 typedef make_unsigned<volatile signed int>::type test21v_type; 44 static_assert(is_same<test21v_type, volatile unsigned int>::value, ""); 45 46 typedef make_unsigned<const volatile signed int>::type test21cv_type; 47 static_assert(is_same<test21cv_type, 48 const volatile unsigned int>::value, ""); 49 50 typedef make_unsigned<const char>::type test22_type; 51 static_assert(is_same<test22_type, const unsigned char>::value, ""); 52 53#ifdef _GLIBCXX_USE_WCHAR_T 54 typedef make_unsigned<volatile wchar_t>::type test23_type; 55 static_assert(is_unsigned<test23_type>::value 56 && is_volatile<test23_type>::value 57 && sizeof(test23_type) == sizeof(volatile wchar_t), ""); 58#endif 59 60 typedef make_unsigned<test_enum>::type test24_type; 61 static_assert(is_same<test24_type, unsigned short>::value, ""); 62 63 // GNU Extensions. 64#ifdef _GLIBCXX_USE_INT128 65 typedef make_unsigned<unsigned __int128>::type test25_type; 66 static_assert(is_same<test25_type, unsigned __int128>::value, ""); 67 68 typedef make_unsigned<__int128>::type test26_type; 69 static_assert(is_same<test26_type, unsigned __int128>::value, ""); 70#endif 71} 72