// { dg-options "-std=gnu++11 -D_GLIBCXX_DEBUG" }
// { dg-do compile { target c++11 } }

// Copyright (C) 2011-2025 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 <array>

void test01()
{
  // array
  constexpr std::array<std::size_t, 6> a = { { 0, 55, 66, 99, 4115, 2 } };
  constexpr auto v1 = a[1];
  constexpr auto v2 = a.at(2);
  constexpr auto v3 = a.front();
  constexpr auto v4 = a.back();
  static_assert( (v1 + v2 + v3 + v4) == (55 + 66 + 0 + 2), "" );
}