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

// <queue>

// template <class InputIterator>
//   priority_queue(InputIterator first, InputIterator last,
//                  const Compare& comp, const Container& c, const Alloc& a);

#include <queue>
#include <cassert>

#include "test_macros.h"
#include "test_allocator.h"

template <class T, class Cont, class Comp = std::less<T> >
struct PQ : std::priority_queue<T, Cont, Comp> {
  typedef std::priority_queue<T, Cont, Comp> base;

  template <class It, class Alloc>
  TEST_CONSTEXPR_CXX26 explicit PQ(It first, It last, const Comp& compare, const Cont& v, const Alloc& a)
      : base(first, last, compare, v, a) {}

  using base::c;
};

TEST_CONSTEXPR_CXX26 bool test() {
  typedef test_allocator<int> Alloc;
  int a[] = {3, 5, 2, 0, 6, 8, 1};
  std::vector<int, Alloc> v(a, a + 3);
  PQ<int, std::vector<int, Alloc> > q(a + 3, a + 7, std::less<int>(), v, Alloc(2));
  assert(q.size() == 7);
  assert(q.top() == 8);
  assert(q.c.get_allocator() == Alloc(2));

  return true;
}

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

  return 0;
}
