libstdc++-v3/testsuite/23_containers/unordered_set/insert/move_range.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2013-2023 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // range insert using move iterator
  21
  22 #include <iterator>
  23 #include <vector>
  24 #include <unordered_set>
  25 #include <testsuite_hooks.h>
  26 #include <testsuite_counter_type.h>
  27
  28 void test01()
  29 {
  30   using namespace __gnu_test;
  31
  32   std::vector<counter_type> ref = { 0, 1, 2, 3, 4, 5 };
  33   typedef std::unordered_set<counter_type, counter_type_hasher> Set;
  34   Set s;
  35
  36   counter_type::reset();
  37
  38   s.insert(std::make_move_iterator(ref.begin()),
  39            std::make_move_iterator(ref.end()));
  40
  41   VERIFY( s.size() == ref.size() );
  42   VERIFY( counter_type::move_count == ref.size() );
  43 }
  44
  45 int main()
  46 {
  47   test01();
  48   return 0;
  49 }