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 // template <class... Args> void emplace(Args&&... args);
15 
16 #include <queue>
17 #include <cassert>
18 
19 #include "../../../Emplaceable.h"
20 
main()21 int main()
22 {
23 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
24     std::priority_queue<Emplaceable> q;
25     q.emplace(1, 2.5);
26     assert(q.top() == Emplaceable(1, 2.5));
27     q.emplace(3, 4.5);
28     assert(q.top() == Emplaceable(3, 4.5));
29     q.emplace(2, 3.5);
30     assert(q.top() == Emplaceable(3, 4.5));
31 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
32 }
33