libstdc++-v3/testsuite/20_util/raw_storage_iterator/dr2127.cc

   1 // Copyright (C) 2016-2020 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 // { dg-do run { target c++11 } }
  19
  20 #include <memory>
  21 #include <testsuite_hooks.h>
  22
  23 struct MoveOnly
  24 {
  25   MoveOnly(int i) : i(i) { }
  26   MoveOnly(MoveOnly&&) = default;
  27   int i;
  28 };
  29
  30 void
  31 test01()
  32 {
  33   char buf[sizeof(MoveOnly)*2];
  34   MoveOnly* addr = (MoveOnly*)buf;
  35   std::raw_storage_iterator<MoveOnly*, MoveOnly> iter(addr);
  36   *iter++ = MoveOnly{1};
  37   *iter++ = MoveOnly{2};
  38   VERIFY( addr[0].i == 1 );
  39   VERIFY( addr[1].i == 2 );
  40 }
  41
  42 int
  43 main()
  44 {
  45   test01();
  46 }