libstdc++-v3/testsuite/23_containers/unordered_set/cons/66055.cc

   1 // Copyright (C) 2015-2025 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 // Jonathan Wakely  <jwakely@redhat.com>
  19
  20 // { dg-do compile { target c++11 } }
  21
  22 #include <unordered_set>
  23
  24 using test_type = std::unordered_set<int>;
  25 using hasher_type = test_type::hasher;
  26 using alloc_type = test_type::allocator_type;
  27
  28 test_type h1(10, alloc_type());
  29 test_type h2(10, hasher_type(), alloc_type());
  30 test_type h3(h1.begin(), h1.end(), 10, alloc_type());
  31 test_type h4(h1.begin(), h1.end(), 10, hasher_type(), alloc_type());
  32 test_type h5({ 1, 1 }, 10, alloc_type());
  33 test_type h6({ 1, 1 }, 10, hasher_type(), alloc_type());