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 main()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