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 main()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