// Copyright (C) 2001-2023 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/>.

// 23.2.2.1 list constructors, copy, and assignment

#include <testsuite_hooks.h>

// A nontrivial type convertible from an int
struct C
{
  C(int i) : i_(i) { }
  bool operator==(const C& rhs) { return i_ == rhs.i_; }
  int i_;
};

// Fill constructor disguised as a range constructor
template<typename _Tp>
void
cons03()
{
  typedef _Tp list_type;
  typedef typename list_type::iterator iterator;

  const std::size_t LIST_SIZE = 5;
  const int INIT_VALUE = 7;
  std::size_t count = 0;
  list_type list0204(LIST_SIZE, INIT_VALUE);
  iterator i = list0204.begin();
  for (; i != list0204.end(); ++i, ++count)
    VERIFY(*i == INIT_VALUE);
  VERIFY(count == LIST_SIZE);
  VERIFY(list0204.size() == LIST_SIZE);
}
