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 // void swap(priority_queue& q); 15 16 #include <queue> 17 #include <cassert> 18 19 int main() 20 { 21 std::priority_queue<int> q1; 22 std::priority_queue<int> q2; 23 q1.push(1); 24 q1.push(3); 25 q1.push(2); 26 q1.swap(q2); 27 assert(q1.empty()); 28 assert(q2.size() == 3); 29 assert(q2.top() == 3); 30 } 31
