gdb/unittests/optional/observers/2.cc

   1 // Copyright (C) 2013-2023 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.
   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 observers_2 {
  19
  20 struct value_type
  21 {
  22   int i;
  23 };
  24
  25 void* operator&(const value_type&) = delete;
  26
  27 static void
  28 test ()
  29 {
  30   gdb::optional<value_type> o { value_type { 51 } };
  31   VERIFY( o->i == 51 );
  32   VERIFY( o->i == (*o).i );
  33   VERIFY( &o->i == &(*o).i );
  34 }
  35
  36 } // namespace observers_2