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1 | // { dg-options "-std=gnu++17" } |
2 | // { dg-do run } | |
3 | ||
8d9254fc | 4 | // Copyright (C) 2016-2020 Free Software Foundation, Inc. |
25a69162 VV |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
c7cbb4da | 17 | // You should have received a copy of the GNU General Public License along |
25a69162 VV |
18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | #include <any> | |
22 | #include <testsuite_hooks.h> | |
23 | #include <vector> | |
24 | #include <tuple> | |
25 | ||
26 | struct combined { | |
27 | std::vector<int> v; | |
28 | std::tuple<int, int> t; | |
29 | template<class... Args> | |
30 | combined(std::initializer_list<int> il, Args&&... args) | |
31 | : v(il), t(std::forward<Args>(args)...) | |
32 | { | |
33 | } | |
34 | }; | |
35 | ||
36 | int main() | |
37 | { | |
38 | const int i = 42; | |
39 | std::any o; | |
40 | o.emplace<int>(i); | |
41 | int& i2 = std::any_cast<int&>(o); | |
42 | VERIFY( i2 == 42 ); | |
43 | VERIFY( &i2 != &i ); | |
44 | std::any o2; | |
45 | o2.emplace<std::tuple<int, int>>(1, 2); | |
46 | std::tuple<int, int>& t = std::any_cast<std::tuple<int, int>&>(o2); | |
47 | VERIFY( std::get<0>(t) == 1 && std::get<1>(t) == 2); | |
48 | std::any o3; | |
49 | o3.emplace<std::vector<int>>({42, 666}); | |
50 | std::vector<int>& v = std::any_cast<std::vector<int>&>(o3); | |
51 | VERIFY(v[0] == 42 && v[1] == 666); | |
52 | std::any o4; | |
53 | o4.emplace<combined>({42, 666}); | |
54 | combined& c = std::any_cast<combined&>(o4); | |
55 | VERIFY(c.v[0] == 42 && c.v[1] == 666 | |
56 | && std::get<0>(c.t) == 0 && std::get<1>(c.t) == 0 ); | |
57 | std::any o5; | |
58 | o5.emplace<combined>({1, 2}, 3, 4); | |
59 | combined& c2 = std::any_cast<combined&>(o5); | |
60 | VERIFY(c2.v[0] == 1 && c2.v[1] == 2 | |
61 | && std::get<0>(c2.t) == 3 && std::get<1>(c2.t) == 4 ); | |
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62 | std::any o6; |
63 | o6.emplace<const int&>(i); | |
64 | VERIFY(o6.type() == o.type()); | |
65 | std::any o7; | |
66 | o7.emplace<void()>(nullptr); | |
67 | std::any o8; | |
68 | o8.emplace<void(*)()>(nullptr); | |
69 | VERIFY(o7.type() == o8.type()); | |
70 | std::any o9; | |
71 | o9.emplace<char(&)[42]>(nullptr); | |
72 | std::any o10; | |
73 | o10.emplace<char*>(nullptr); | |
74 | VERIFY(o9.type() == o10.type()); | |
df990182 VV |
75 | std::any o11; |
76 | VERIFY(&o11.emplace<int>(42) == &std::any_cast<int&>(o11)); | |
77 | VERIFY(&o11.emplace<std::vector<int>>({1,2,3}) == | |
78 | &std::any_cast<std::vector<int>&>(o11)); | |
25a69162 | 79 | } |