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 // UNSUPPORTED: c++03, c++11, c++14
10
11 // <any>
12
13 // void swap(any &, any &) noexcept
14
15 // swap(...) just wraps any::swap(...). That function is tested elsewhere.
16
17 #include <any>
18 #include <cassert>
19
20 #include "test_macros.h"
21
main(int,char **)22 int main(int, char**)
23 {
24
25 { // test noexcept
26 std::any a;
27 static_assert(noexcept(swap(a, a)), "swap(any&, any&) must be noexcept");
28 }
29 {
30 std::any a1 = 1;
31 std::any a2 = 2;
32
33 swap(a1, a2);
34
35 assert(std::any_cast<int>(a1) == 2);
36 assert(std::any_cast<int>(a2) == 1);
37 }
38
39 return 0;
40 }
41