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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();
13 
14 // const_reference top() const;
15 
16 #include <queue>
17 #include <cassert>
18 
main()19 int main()
20 {
21     std::priority_queue<int> q;
22     q.push(1);
23     assert(q.top() == 1);
24     q.push(3);
25     assert(q.top() == 3);
26     q.push(2);
27     assert(q.top() == 3);
28 }
29