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 // void swap(priority_queue& c)
12 //     noexcept(__is_nothrow_swappable<container_type>::value &&
13 //              __is_nothrow_swappable<Compare>::value);
14 
15 // This tests a conforming extension
16 
17 // UNSUPPORTED: c++03
18 
19 #include <queue>
20 #include <utility>
21 #include <cassert>
22 
23 #include "test_macros.h"
24 #include "MoveOnly.h"
25 
main(int,char **)26 int main(int, char**)
27 {
28     {
29         typedef std::priority_queue<MoveOnly> C;
30         static_assert(noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
31     }
32 
33   return 0;
34 }
35