1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <queue> 10 11 // priority_queue(); 12 13 // void swap(priority_queue& q); 14 15 #include <queue> 16 #include <cassert> 17 18 #include "test_macros.h" 19 main(int,char **)20int main(int, char**) 21 { 22 std::priority_queue<int> q1; 23 std::priority_queue<int> q2; 24 q1.push(1); 25 q1.push(3); 26 q1.push(2); 27 q1.swap(q2); 28 assert(q1.empty()); 29 assert(q2.size() == 3); 30 assert(q2.top() == 3); 31 32 return 0; 33 } 34