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 // <stack>
10 
11 // bool empty() const;
12 
13 #include <stack>
14 #include <cassert>
15 
16 #include "test_macros.h"
17 
main(int,char **)18 int main(int, char**)
19 {
20     std::stack<int> q;
21     assert(q.empty());
22     q.push(1);
23     assert(!q.empty());
24     q.pop();
25     assert(q.empty());
26 
27   return 0;
28 }
29