xref: /llvm-project/libcxx/test/std/utilities/any/any.class/any.modifiers/reset.pass.cpp (revision ec350ad418a24f70c88758259c774a1e11c06d74)
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 // any::reset() noexcept
14 
15 #include <any>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 #include "any_helpers.h"
20 
main(int,char **)21 int main(int, char**)
22 {
23     // empty
24     {
25         std::any a;
26         ASSERT_NOEXCEPT(a.reset());
27 
28         assertEmpty(a);
29 
30         a.reset();
31 
32         assertEmpty(a);
33     }
34     // small object
35     {
36         std::any a = small(1);
37         assert(small::count == 1);
38         assertContains<small>(a, 1);
39 
40         a.reset();
41 
42         assertEmpty<small>(a);
43         assert(small::count == 0);
44     }
45     // large object
46     {
47         std::any a = large(1);
48         assert(large::count == 1);
49         assertContains<large>(a, 1);
50 
51         a.reset();
52 
53         assertEmpty<large>(a);
54         assert(large::count == 0);
55     }
56 
57   return 0;
58 }
59