1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <queue>
11 
12 // priority_queue& operator=(const priority_queue&) = default;
13 
14 #include <queue>
15 #include <cassert>
16 #include <functional>
17 
18 template <class C>
19 C
make(int n)20 make(int n)
21 {
22     C c;
23     for (int i = 0; i < n; ++i)
24         c.push_back(i);
25     return c;
26 }
27 
main()28 int main()
29 {
30     std::vector<int> v = make<std::vector<int> >(5);
31     std::priority_queue<int, std::vector<int>, std::greater<int> > qo(std::greater<int>(), v);
32     std::priority_queue<int, std::vector<int>, std::greater<int> > q;
33     q = qo;
34     assert(q.size() == 5);
35     assert(q.top() == 0);
36 }
37