//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: c++03

// <list>

// iterator insert(const_iterator p, initializer_list<value_type> il); // constexpr since C++26

#include <list>
#include <cassert>

#include "test_macros.h"
#include "min_allocator.h"

TEST_CONSTEXPR_CXX26 bool test() {
  {
    std::list<int> d(10, 1);
    std::list<int>::iterator i = d.insert(std::next(d.cbegin(), 2), {3, 4, 5, 6});
    assert(d.size() == 14);
    assert(i == std::next(d.begin(), 2));
    i = d.begin();
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 3);
    assert(*i++ == 4);
    assert(*i++ == 5);
    assert(*i++ == 6);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
  }
  {
    std::list<int, min_allocator<int>> d(10, 1);
    std::list<int, min_allocator<int>>::iterator i = d.insert(std::next(d.cbegin(), 2), {3, 4, 5, 6});
    assert(d.size() == 14);
    assert(i == std::next(d.begin(), 2));
    i = d.begin();
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 3);
    assert(*i++ == 4);
    assert(*i++ == 5);
    assert(*i++ == 6);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
    assert(*i++ == 1);
  }

  return true;
}

int main(int, char**) {
  assert(test());
#if TEST_STD_VER >= 26
  static_assert(test());
#endif

  return 0;
}
