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 | |
22 | int main(int, char**) |
23 | { |
24 | |
25 | { // test noexcept |
26 | std::any a; |
27 | static_assert(noexcept(swap(x&: a, y&: a)), "swap(any&, any&) must be noexcept" ); |
28 | } |
29 | { |
30 | std::any a1 = 1; |
31 | std::any a2 = 2; |
32 | |
33 | swap(x&: a1, y&: 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 | |