gdb/testsuite: fix gdb.trace/signal.exp on x86
[binutils-gdb/blckswan.git] / gdb / unittests / optional / in_place.cc
blob898d85137c1779214256c4f86d45b9cee5a6fbbc
1 // Copyright (C) 2013-2022 Free Software Foundation, Inc.
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.
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.
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/>.
18 namespace in_place {
20 static void
21 test ()
23 // [20.5.5] In-place construction
25 gdb::optional<int> o { gdb::in_place };
26 VERIFY( o );
27 VERIFY( *o == int() );
29 #ifndef GDB_OPTIONAL
30 static_assert( !std::is_convertible<gdb::in_place_t, gdb::optional<int>>(), "" );
31 #endif
35 gdb::optional<int> o { gdb::in_place, 42 };
36 VERIFY( o );
37 VERIFY( *o == 42 );
41 gdb::optional<std::vector<int>> o { gdb::in_place, 18, 4 };
42 VERIFY( o );
43 VERIFY( o->size() == 18 );
44 VERIFY( (*o)[17] == 4 );
47 #ifndef GDB_OPTIONAL
49 gdb::optional<std::vector<int>> o { gdb::in_place, { 18, 4 } };
50 VERIFY( o );
51 VERIFY( o->size() == 2 );
52 VERIFY( (*o)[0] == 18 );
54 #endif
56 #ifndef GDB_OPTIONAL
58 gdb::optional<std::vector<int>> o { gdb::in_place, { 18, 4 }, std::allocator<int> {} };
59 VERIFY( o );
60 VERIFY( o->size() == 2 );
61 VERIFY( (*o)[0] == 18 );
63 #endif
66 } // namespace in_place