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 // <stack>
11 
12 // void push(const value_type& v);
13 
14 #include <stack>
15 #include <cassert>
16 
main()17 int main()
18 {
19     std::stack<int> q;
20     q.push(1);
21     assert(q.size() == 1);
22     assert(q.top() == 1);
23     q.push(2);
24     assert(q.size() == 2);
25     assert(q.top() == 2);
26     q.push(3);
27     assert(q.size() == 3);
28     assert(q.top() == 3);
29 }
30