libstdc++-v3/testsuite/23_containers/unordered_map/55043.cc

   1 // { dg-options "-std=gnu++11" }
   2 // { dg-do compile }
   3
   4 // Copyright (C) 2013-2016 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 // libstdc++/55043
  22
  23 #include <unordered_map>
  24 #include <vector>
  25
  26 struct MoveOnly
  27 {
  28   MoveOnly() = default;
  29   MoveOnly(MoveOnly&&) = default;
  30 };
  31
  32 using hash = std::hash<int>;
  33 using equal = std::equal_to<int>;
  34
  35 template<typename Alloc>
  36   using test_type = std::unordered_map<int, MoveOnly, hash, equal, Alloc>;
  37
  38 void test01()
  39 {
  40   typedef test_type<std::allocator<MoveOnly>> uim;
  41   std::vector<uim> v;
  42   v.emplace_back(uim());
  43 }
  44