1// { dg-options "-std=gnu++14" } 2// { dg-do compile } 3// 4// Copyright (C) 2013-2015 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#include <utility> 22#include <type_traits> 23 24using std::is_same; 25using std::integer_sequence; 26using std::make_integer_sequence; 27using std::index_sequence; 28using std::make_index_sequence; 29using std::index_sequence_for; 30 31static_assert( is_same<integer_sequence<int>::value_type, int>::value, 32 "int value_type"); 33 34static_assert( is_same<integer_sequence<short>::value_type, short>::value, 35 "short value_type"); 36 37static_assert( is_same<make_integer_sequence<int, 0>, 38 integer_sequence<int>>::value, 39 "make empty int seq" ); 40 41static_assert( is_same<make_integer_sequence<int, 2>, 42 integer_sequence<int, 0, 1>>::value, 43 "make non-empty int seq" ); 44 45static_assert( is_same<make_integer_sequence<unsigned, 0>, 46 integer_sequence<unsigned>>::value, 47 "make empty unsigned seq" ); 48 49static_assert( is_same<make_integer_sequence<unsigned, 2>, 50 integer_sequence<unsigned, 0, 1>>::value, 51 "make non-empty unsigned seq" ); 52 53static_assert( is_same<index_sequence<0, 1>, 54 integer_sequence<std::size_t, 0, 1>>::value, 55 "index seq" ); 56 57static_assert( is_same<make_index_sequence<2>, index_sequence<0, 1>>::value, 58 "make index seq" ); 59 60static_assert( is_same<index_sequence_for<char, int, void, double>, 61 index_sequence<0, 1, 2, 3>>::value, 62 "index_sequence_for" ); 63