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();
12 
13 // bool empty() const;
14 
15 #include <queue>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
main(int,char **)20 int main(int, char**)
21 {
22     std::priority_queue<int> q;
23     assert(q.empty());
24     q.push(1);
25     assert(!q.empty());
26     q.pop();
27     assert(q.empty());
28 
29   return 0;
30 }
31