libstdc++-v3/testsuite/23_containers/unordered_multiset/debug/move_assign_neg.cc

   1 // Copyright (C) 2014-2023 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 xfail *-*-* } }
  19
  20 #include <debug/unordered_set>
  21 #include <testsuite_allocator.h>
  22
  23 void test01()
  24 {
  25   typedef __gnu_test::propagating_allocator<int, false> alloc_type;
  26   typedef __gnu_debug::unordered_multiset<int, std::hash<int>,
  27                                           std::equal_to<int>,
  28                                           alloc_type> test_type;
  29
  30   test_type v1(alloc_type(1));
  31   v1.emplace(0);
  32   auto it = v1.begin();
  33
  34   test_type v2(alloc_type(2));
  35   v2.emplace(1);
  36
  37   v2 = std::move(v1);
  38
  39   VERIFY( it == v2.begin() ); // Error, it is singular.
  40 }
  41
  42 int main()
  43 {
  44   test01();
  45   return 0;
  46 }