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 // Throwing bad_any_cast is supported starting in macosx10.13
12 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12}} && !no-exceptions
13 
14 // <any>
15 
16 // any::reset() noexcept
17 
18 #include <any>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 #include "any_helpers.h"
23 
24 int main(int, char**)
25 {
26     using std::any;
27     using std::any_cast;
28     // empty
29     {
30         any a;
31 
32         // noexcept check
33         static_assert(
34             noexcept(a.reset())
35           , "any.reset() must be noexcept"
36           );
37 
38         assertEmpty(a);
39 
40         a.reset();
41 
42         assertEmpty(a);
43     }
44     // small object
45     {
46         any a((small(1)));
47         assert(small::count == 1);
48         assertContains<small>(a, 1);
49 
50         a.reset();
51 
52         assertEmpty<small>(a);
53         assert(small::count == 0);
54     }
55     // large object
56     {
57         any a(large(1));
58         assert(large::count == 1);
59         assertContains<large>(a, 1);
60 
61         a.reset();
62 
63         assertEmpty<large>(a);
64         assert(large::count == 0);
65     }
66 
67   return 0;
68 }
69