libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc

   1 // Copyright (C) 2018-2019 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 compile { target c++14 } }
  19
  20 #include <experimental/map>
  21
  22 namespace xpmr = std::experimental::pmr;
  23
  24 struct X { };
  25 struct Y { };
  26 struct Cmp { bool operator()(X, X) const { return false; } };
  27
  28 static_assert(std::is_same<xpmr::map<X, Y>,
  29     std::map<X, Y, std::less<X>,
  30              xpmr::polymorphic_allocator<std::pair<const X, Y>>>>::value,
  31     "pmr::map");
  32 static_assert(std::is_same<xpmr::map<X, Y, Cmp>,
  33     std::map<X, Y, Cmp,
  34              xpmr::polymorphic_allocator<std::pair<const X, Y>>>>::value,
  35     "pmr::map");