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// bool empty() const; 13 14#include <queue> 15#include <cassert> 16 17int main() 18{ 19 std::queue<int> q; 20 assert(q.empty()); 21 q.push(1); 22 assert(!q.empty()); 23 q.pop(); 24 assert(q.empty()); 25} 26