libstdc++-v3/testsuite/23_containers/set/allocator/move_cons.cc

   1 // Copyright (C) 2020-2025 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 <set>
  21 #include <string>
  22
  23 #include <testsuite_hooks.h>
  24 #include <testsuite_allocator.h>
  25
  26 using Cmp = std::less<std::string>;
  27
  28 using __gnu_test::uneq_allocator;
  29
  30 void test01()
  31 {
  32   typedef uneq_allocator<std::string> alloc_type;
  33   typedef std::set<std::string, Cmp, alloc_type> test_type;
  34   test_type v1(alloc_type(1));
  35   const char* str = "A long enough string to require dynamic allocation";
  36   v1 = { str };
  37
  38   alloc_type a2(2);
  39   test_type v2(std::move(v1), a2);
  40
  41   VERIFY(1 == v1.get_allocator().get_personality());
  42   VERIFY(2 == v2.get_allocator().get_personality());
  43
  44   VERIFY( v1.count(str) == 0 );
  45   VERIFY( v2.count(str) == 1 );
  46 }
  47
  48
  49 int main()
  50 {
  51   test01();
  52   return 0;
  53 }