libstdc++-v3/testsuite/experimental/polymorphic_allocator/1.cc

   1 // Copyright (C) 2018-2020 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/memory_resource>
  21
  22 struct X { int i = 0; };
  23
  24 using test_type = std::experimental::pmr::polymorphic_allocator<X>;
  25
  26 static_assert(std::is_default_constructible<test_type>{}, "");
  27 static_assert(std::is_destructible<test_type>{}, "");
  28 static_assert(std::is_copy_constructible<test_type>{}, "");
  29 // N.B. std::pmr::polymorphic_allocator is not assignable, see p0337r0
  30 static_assert(std::is_copy_assignable<test_type>{}, "");
  31 static_assert(std::is_constructible<test_type,
  32     std::experimental::pmr::memory_resource*>{}, "");
  33
  34 static_assert(std::is_same<test_type::value_type, X>{}, "");
  35
  36 static_assert(!std::is_polymorphic<test_type>{}, "");
  37 static_assert(!std::is_final<test_type>{}, "");