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// void push(const value_type& v);
13
14#include <queue>
15#include <cassert>
16
17int main()
18{
19    std::queue<int> q;
20    q.push(1);
21    assert(q.size() == 1);
22    assert(q.front() == 1);
23    assert(q.back() == 1);
24    q.push(2);
25    assert(q.size() == 2);
26    assert(q.front() == 1);
27    assert(q.back() == 2);
28    q.push(3);
29    assert(q.size() == 3);
30    assert(q.front() == 1);
31    assert(q.back() == 3);
32}
33