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1 | // { dg-options "-std=gnu++1y" } |
2 | // { dg-do run } | |
3 | ||
aa118a03 | 4 | // Copyright (C) 2013-2014 Free Software Foundation, Inc. |
2b5ab1e4 MB |
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 | ||
17 | // You should have received a moved_to of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | #include <experimental/optional> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | struct value_type | |
25 | { | |
26 | int i; | |
27 | }; | |
28 | ||
29 | int main() | |
30 | { | |
31 | { | |
32 | std::experimental::optional<value_type> o { value_type { 51 } }; | |
33 | VERIFY( o.value().i == 51 ); | |
34 | VERIFY( o.value().i == (*o).i ); | |
35 | VERIFY( &o.value().i == &(*o).i ); | |
36 | } | |
37 | ||
38 | { | |
39 | enum outcome_type { nothrow, caught, bad_catch }; | |
40 | ||
41 | outcome_type outcome {}; | |
42 | std::experimental::optional<value_type> o = std::experimental::nullopt; | |
43 | bool called = false; | |
44 | auto const eat = [&called](int) { called = true; }; | |
45 | ||
46 | try | |
47 | { | |
48 | eat(o.value().i); | |
49 | } | |
50 | catch(std::experimental::bad_optional_access const&) | |
51 | { outcome = caught; } | |
52 | catch(...) | |
53 | { outcome = bad_catch; } | |
54 | ||
55 | VERIFY( outcome == caught ); | |
56 | VERIFY( !called ); | |
57 | } | |
58 | } |