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// { dg-do compile { target c++17 } }
// Copyright (C) 2014-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <tuple>
using namespace std;
// These tests are rather simple, the front-end tests already test
// variable templates, and the library tests for the underlying
// traits are more elaborate. These are just simple sanity tests.
static_assert(tuple_size_v<tuple<int>> == 1
&& tuple_size<tuple<int>>::value == 1, "");
static_assert(tuple_size_v<tuple<int, int>> == 2
&& tuple_size<tuple<int, int>>::value == 2, "");
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