libstdc++-v3/testsuite/25_algorithms/fill/deque_iterators/1.cc

// Copyright (C) 2019-2021 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 <algorithm>
#include <deque>

#include <testsuite_hooks.h>

void test01()
{
  using namespace std;

  deque<char> d1;
  for (int i = 0; i != _GLIBCXX_STD_C::__deque_buf_size(sizeof(char)); ++i)
    d1.push_back((char)i);

  deque<char> d2(d1.size(), '\0');

  fill(d1.begin(), d1.end(), '\0');

  VERIFY( equal(d1.begin(), d1.end(), d2.begin()) );
}

void test02()
{
  using namespace std;

  deque<char> d1;
  for (int i = 0; i != 4 * _GLIBCXX_STD_C::__deque_buf_size(sizeof(char)); ++i)
    d1.push_back(i);

  deque<char> d2(d1.size(), '\0');

  fill(d1.begin(), d1.end(), '\0');

  VERIFY( equal(d1.begin(), d1.end(), d2.begin()) );
}

int main()
{
  test01();
  test02();
  return 0;
}