1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <queue>
10 
11 // priority_queue& operator=(const priority_queue&) = default;
12 
13 #include <queue>
14 #include <cassert>
15 #include <functional>
16 
17 #include "test_macros.h"
18 
19 template <class C>
20 C
make(int n)21 make(int n)
22 {
23     C c;
24     for (int i = 0; i < n; ++i)
25         c.push_back(i);
26     return c;
27 }
28 
main(int,char **)29 int main(int, char**)
30 {
31     std::vector<int> v = make<std::vector<int> >(5);
32     std::priority_queue<int, std::vector<int>, std::greater<int> > qo(std::greater<int>(), v);
33     std::priority_queue<int, std::vector<int>, std::greater<int> > q;
34     q = qo;
35     assert(q.size() == 5);
36     assert(q.top() == 0);
37 
38   return 0;
39 }
40