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

// <map>

// class multimap

// template <class P>
//   iterator insert(P&& p);

#include <map>
#include <cassert>

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

template <class Container>
void do_insert_rv_test() {
  typedef std::multimap<int, MoveOnly> M;
  typedef typename M::iterator R;
  typedef typename M::value_type VT;
  M m;
  R r = m.insert(VT(2, 2));
  assert(r == m.begin());
  assert(m.size() == 1);
  assert(r->first == 2);
  assert(r->second == 2);

  r = m.insert(VT(1, 1));
  assert(r == m.begin());
  assert(m.size() == 2);
  assert(r->first == 1);
  assert(r->second == 1);

  r = m.insert(VT(3, 3));
  assert(r == std::prev(m.end()));
  assert(m.size() == 3);
  assert(r->first == 3);
  assert(r->second == 3);

  r = m.insert(VT(3, 3));
  assert(r == std::prev(m.end()));
  assert(m.size() == 4);
  assert(r->first == 3);
  assert(r->second == 3);
}

int main(int, char**) {
  do_insert_rv_test<std::multimap<int, MoveOnly>>();
  {
    typedef std::multimap<int, MoveOnly, std::less<int>, min_allocator<std::pair<const int, MoveOnly>>> M;
    do_insert_rv_test<M>();
  }
  {
    typedef std::multimap<int, MoveOnly> M;
    typedef M::iterator R;
    M m;
    R r = m.insert({2, MoveOnly(2)});
    assert(r == m.begin());
    assert(m.size() == 1);
    assert(r->first == 2);
    assert(r->second == 2);

    r = m.insert({1, MoveOnly(1)});
    assert(r == m.begin());
    assert(m.size() == 2);
    assert(r->first == 1);
    assert(r->second == 1);

    r = m.insert({3, MoveOnly(3)});
    assert(r == std::prev(m.end()));
    assert(m.size() == 3);
    assert(r->first == 3);
    assert(r->second == 3);

    r = m.insert({3, MoveOnly(3)});
    assert(r == std::prev(m.end()));
    assert(m.size() == 4);
    assert(r->first == 3);
    assert(r->second == 3);
  }

  return 0;
}