libstdc++-v3/testsuite/23_containers/map/modifiers/insert/87194.cc

   1 // Copyright (C) 2018-2023 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 // { dg-do run { target c++11 } }
  19
  20 #include <map>
  21 #include <iterator>
  22 #include <testsuite_hooks.h>
  23
  24 struct S
  25 {
  26   operator std::pair<const int, int>() &&
  27   { int i = val; val = 0; return {i, 0}; }
  28
  29   int val;
  30 };
  31
  32 void
  33 test01()
  34 {
  35   S a[3] = { {1}, {2}, {3} };
  36   std::map<int, int> s;
  37   s.insert(std::make_move_iterator(a), std::make_move_iterator(a+3));
  38   VERIFY( s.size() == 3 );
  39   VERIFY( s.find(0) == s.end() );
  40 }
  41
  42 int
  43 main()
  44 {
  45   test01();
  46 }