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e2882c85 | 1 | // Copyright (C) 2013-2018 Free Software Foundation, Inc. |
d35d1958 PA |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | namespace in_place { | |
19 | ||
20 | void test() | |
21 | { | |
22 | // [20.5.5] In-place construction | |
23 | { | |
24 | gdb::optional<int> o { gdb::in_place }; | |
25 | VERIFY( o ); | |
26 | VERIFY( *o == int() ); | |
27 | ||
28 | #ifndef GDB_OPTIONAL | |
29 | static_assert( !std::is_convertible<gdb::in_place_t, gdb::optional<int>>(), "" ); | |
30 | #endif | |
31 | } | |
32 | ||
33 | { | |
34 | gdb::optional<int> o { gdb::in_place, 42 }; | |
35 | VERIFY( o ); | |
36 | VERIFY( *o == 42 ); | |
37 | } | |
38 | ||
39 | { | |
40 | gdb::optional<std::vector<int>> o { gdb::in_place, 18, 4 }; | |
41 | VERIFY( o ); | |
42 | VERIFY( o->size() == 18 ); | |
43 | VERIFY( (*o)[17] == 4 ); | |
44 | } | |
45 | ||
46 | #ifndef GDB_OPTIONAL | |
47 | { | |
48 | gdb::optional<std::vector<int>> o { gdb::in_place, { 18, 4 } }; | |
49 | VERIFY( o ); | |
50 | VERIFY( o->size() == 2 ); | |
51 | VERIFY( (*o)[0] == 18 ); | |
52 | } | |
53 | #endif | |
54 | ||
55 | #ifndef GDB_OPTIONAL | |
56 | { | |
57 | gdb::optional<std::vector<int>> o { gdb::in_place, { 18, 4 }, std::allocator<int> {} }; | |
58 | VERIFY( o ); | |
59 | VERIFY( o->size() == 2 ); | |
60 | VERIFY( (*o)[0] == 18 ); | |
61 | } | |
62 | #endif | |
63 | } | |
64 | ||
65 | } // namespace in_place |