libcxx/test/std/containers/container.adaptors/priority.queue/priqueue.cons/ctor_iter_iter_comp_cont.pass.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <queue>

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

#include <queue>
#include <cassert>

int main()
{
    int a[] = {3, 5, 2, 0, 6, 8, 1};
    const int n = sizeof(a)/sizeof(a[0]);
    std::vector<int> v(a, a+n/2);
    std::priority_queue<int> q(a+n/2, a+n, std::less<int>(), v);
    assert(q.size() == n);
    assert(q.top() == 8);
}