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// priority_queue(); 13 14// bool empty() const; 15 16#include <queue> 17#include <cassert> 18 19int main() 20{ 21 std::priority_queue<int> q; 22 assert(q.empty()); 23 q.push(1); 24 assert(!q.empty()); 25 q.pop(); 26 assert(q.empty()); 27} 28