1// { dg-options "-std=gnu++11" } 2// { dg-do compile } 3 4// 2007-05-03 Benjamin Kosnik <bkoz@redhat.com> 5// 6// Copyright (C) 2007-2015 Free Software Foundation, Inc. 7// 8// This file is part of the GNU ISO C++ Library. This library is free 9// software; you can redistribute it and/or modify it under the 10// terms of the GNU General Public License as published by the 11// Free Software Foundation; either version 3, or (at your option) 12// any later version. 13// 14// This library is distributed in the hope that it will be useful, 15// but WITHOUT ANY WARRANTY; without even the implied warranty of 16// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17// GNU General Public License for more details. 18// 19// You should have received a copy of the GNU General Public License along 20// with this library; see the file COPYING3. If not see 21// <http://www.gnu.org/licenses/>. 22 23#include <type_traits> 24 25enum test_enum { first_selection }; 26 27void test01() 28{ 29 using std::make_unsigned; 30 using std::is_same; 31 using std::is_unsigned; 32 using std::is_volatile; 33 34 // Positive tests. 35 typedef make_unsigned<const unsigned int>::type test2_type; 36 static_assert(is_same<test2_type, const unsigned int>::value, ""); 37 38 typedef make_unsigned<const signed int>::type test21c_type; 39 static_assert(is_same<test21c_type, const unsigned int>::value, ""); 40 41 typedef make_unsigned<volatile signed int>::type test21v_type; 42 static_assert(is_same<test21v_type, volatile unsigned int>::value, ""); 43 44 typedef make_unsigned<const volatile signed int>::type test21cv_type; 45 static_assert(is_same<test21cv_type, 46 const volatile unsigned int>::value, ""); 47 48 typedef make_unsigned<const char>::type test22_type; 49 static_assert(is_same<test22_type, const unsigned char>::value, ""); 50 51#ifdef _GLIBCXX_USE_WCHAR_T 52 typedef make_unsigned<volatile wchar_t>::type test23_type; 53 static_assert(is_unsigned<test23_type>::value 54 && is_volatile<test23_type>::value 55 && sizeof(test23_type) == sizeof(volatile wchar_t), ""); 56#endif 57 58 // Chapter 48, chapter 20. Smallest rank such that new unsigned type 59 // same size. 60 typedef make_unsigned<test_enum>::type test24_type; 61 static_assert(is_unsigned<test24_type>::value, ""); 62 static_assert(sizeof(test24_type) == sizeof(test_enum), ""); 63 64 // GNU Extensions. 65#ifdef _GLIBCXX_USE_INT128 66 typedef make_unsigned<unsigned __int128>::type test25_type; 67 static_assert(is_same<test25_type, unsigned __int128>::value, ""); 68 69 typedef make_unsigned<__int128>::type test26_type; 70 static_assert(is_same<test26_type, unsigned __int128>::value, ""); 71#endif 72} 73