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6458742a | 1 | // { dg-do run { target c++17 } } |
1725d05d | 2 | |
99dee823 | 3 | // Copyright (C) 2016-2021 Free Software Foundation, Inc. |
1725d05d VV |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <any> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | using std::any; | |
24 | ||
25 | bool should_throw = false; | |
26 | struct Bad | |
27 | { | |
28 | Bad() = default; | |
29 | Bad(const Bad&) {if (should_throw) throw 666;} | |
30 | }; | |
31 | ||
32 | struct Bad2 | |
33 | { | |
34 | Bad2() = default; | |
35 | Bad2(const Bad2&) {if (should_throw) throw 666;} | |
36 | Bad2(Bad2&&) noexcept {} | |
37 | }; | |
38 | ||
39 | int del_count = 0; | |
8240175b | 40 | struct Good |
1725d05d VV |
41 | { |
42 | Good() = default; | |
43 | Good(const Good&) = default; | |
44 | Good(Good&&) = default; | |
45 | ~Good() {++del_count;} | |
46 | }; | |
47 | ||
48 | int main() | |
49 | { | |
50 | std::any a1 = Good(); | |
51 | del_count = 0; | |
52 | try { | |
53 | Bad b; | |
54 | std::any a2 = b; | |
55 | should_throw = true; | |
56 | a1 = a2; | |
57 | } catch (...) { | |
58 | auto x = std::any_cast<Good>(a1); | |
118c8424 PC |
59 | VERIFY( del_count == 0 ); |
60 | VERIFY( a1.has_value() ); | |
1725d05d VV |
61 | std::any_cast<Good>(a1); |
62 | } | |
63 | std::any a3 = Good(); | |
64 | del_count = 0; | |
65 | try { | |
66 | Bad2 b; | |
67 | std::any a4 = b; | |
68 | should_throw = true; | |
69 | a3 = a4; | |
70 | } catch (...) { | |
71 | auto x = std::any_cast<Good>(a1); | |
118c8424 PC |
72 | VERIFY( del_count == 0 ); |
73 | VERIFY( a1.has_value() ); | |
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74 | std::any_cast<Good>(a1); |
75 | } | |
76 | } |