libstdc++-v3/testsuite/20_util/monotonic_buffer_resource/1.cc

   1 // Copyright (C) 2018-2021 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-options "-std=gnu++17" }
  19 // { dg-do compile { target c++17 } }
  20
  21 #include <memory_resource>
  22
  23 using std::pmr::monotonic_buffer_resource;
  24 using std::pmr::memory_resource;
  25 using std::size_t;
  26
  27 static_assert(std::is_base_of_v<memory_resource, monotonic_buffer_resource>);
  28 static_assert(!std::is_abstract_v<monotonic_buffer_resource>);
  29
  30 static_assert(std::is_default_constructible_v<monotonic_buffer_resource>);
  31 static_assert(std::is_destructible_v<monotonic_buffer_resource>);
  32 static_assert(!std::is_copy_constructible_v<monotonic_buffer_resource>);
  33 static_assert(!std::is_copy_assignable_v<monotonic_buffer_resource>);
  34 static_assert(!std::is_move_constructible_v<monotonic_buffer_resource>);
  35 static_assert(!std::is_move_assignable_v<monotonic_buffer_resource>);
  36
  37 static_assert(std::is_constructible_v<monotonic_buffer_resource,
  38                                       memory_resource*>);
  39 static_assert(std::is_constructible_v<monotonic_buffer_resource,
  40                                       size_t, memory_resource*>);
  41 static_assert(std::is_constructible_v<monotonic_buffer_resource,
  42                                       void*, size_t, memory_resource*>);
  43
  44 static_assert(std::is_constructible_v<monotonic_buffer_resource,
  45                                       size_t>);
  46 static_assert(std::is_constructible_v<monotonic_buffer_resource,
  47                                       void*, size_t>);
  48
  49 // Unary constructors are explicit.
  50 static_assert(!std::is_convertible_v<memory_resource*,
  51                                      monotonic_buffer_resource>);
  52 static_assert(!std::is_convertible_v<size_t,
  53                                      monotonic_buffer_resource>);