//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// <map>

// class multimap

// template <class InputIterator>
//   void insert(InputIterator first, InputIterator last);

#include <map>
#include <cassert>

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

int main(int, char**) {
  {
    typedef std::multimap<int, double> M;
    typedef std::pair<int, double> P;
    P ar[] = {
        P(1, 1),
        P(1, 1.5),
        P(1, 2),
        P(2, 1),
        P(2, 1.5),
        P(2, 2),
        P(3, 1),
        P(3, 1.5),
        P(3, 2),
    };
    M m;
    m.insert(cpp17_input_iterator<P*>(ar), cpp17_input_iterator<P*>(ar + sizeof(ar) / sizeof(ar[0])));
    assert(m.size() == 9);
    assert(m.begin()->first == 1);
    assert(m.begin()->second == 1);
    assert(std::next(m.begin())->first == 1);
    assert(std::next(m.begin())->second == 1.5);
    assert(std::next(m.begin(), 2)->first == 1);
    assert(std::next(m.begin(), 2)->second == 2);
    assert(std::next(m.begin(), 3)->first == 2);
    assert(std::next(m.begin(), 3)->second == 1);
    assert(std::next(m.begin(), 4)->first == 2);
    assert(std::next(m.begin(), 4)->second == 1.5);
    assert(std::next(m.begin(), 5)->first == 2);
    assert(std::next(m.begin(), 5)->second == 2);
    assert(std::next(m.begin(), 6)->first == 3);
    assert(std::next(m.begin(), 6)->second == 1);
    assert(std::next(m.begin(), 7)->first == 3);
    assert(std::next(m.begin(), 7)->second == 1.5);
    assert(std::next(m.begin(), 8)->first == 3);
    assert(std::next(m.begin(), 8)->second == 2);
  }
#if TEST_STD_VER >= 11
  {
    typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
    typedef std::pair<int, double> P;
    P ar[] = {
        P(1, 1),
        P(1, 1.5),
        P(1, 2),
        P(2, 1),
        P(2, 1.5),
        P(2, 2),
        P(3, 1),
        P(3, 1.5),
        P(3, 2),
    };
    M m;
    m.insert(cpp17_input_iterator<P*>(ar), cpp17_input_iterator<P*>(ar + sizeof(ar) / sizeof(ar[0])));
    assert(m.size() == 9);
    assert(m.begin()->first == 1);
    assert(m.begin()->second == 1);
    assert(std::next(m.begin())->first == 1);
    assert(std::next(m.begin())->second == 1.5);
    assert(std::next(m.begin(), 2)->first == 1);
    assert(std::next(m.begin(), 2)->second == 2);
    assert(std::next(m.begin(), 3)->first == 2);
    assert(std::next(m.begin(), 3)->second == 1);
    assert(std::next(m.begin(), 4)->first == 2);
    assert(std::next(m.begin(), 4)->second == 1.5);
    assert(std::next(m.begin(), 5)->first == 2);
    assert(std::next(m.begin(), 5)->second == 2);
    assert(std::next(m.begin(), 6)->first == 3);
    assert(std::next(m.begin(), 6)->second == 1);
    assert(std::next(m.begin(), 7)->first == 3);
    assert(std::next(m.begin(), 7)->second == 1.5);
    assert(std::next(m.begin(), 8)->first == 3);
    assert(std::next(m.begin(), 8)->second == 2);
  }
#endif

  return 0;
}