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 // explicit priority_queue(const Compare& comp, const container_type& c);
13 
14 #include <queue>
15 #include <cassert>
16 
17 template <class C>
18 C
19 make(int n)
20 {
21     C c;
22     for (int i = 0; i < n; ++i)
23         c.push_back(i);
24     return c;
25 }
26 
27 int main()
28 {
29     std::vector<int> v = make<std::vector<int> >(5);
30     std::priority_queue<int, std::vector<int>, std::greater<int> > q(std::greater<int>(), v);
31     assert(q.size() == 5);
32     assert(q.top() == 0);
33 }
34