libstdc++-v3/testsuite/20_util/polymorphic_allocator/lwg3237.cc

   1 // Copyright (C) 2020-2022 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++2a" }
  19 // { dg-do run { target c++2a } }
  20
  21 #include <memory_resource>
  22 #include <testsuite_hooks.h>
  23
  24 struct large { alignas(1024) int i; };
  25
  26 void
  27 test01()
  28 {
  29   std::pmr::polymorphic_allocator<large> a;
  30   large* p = nullptr;
  31   try
  32   {
  33     p = a.allocate(std::size_t(-1) / 256);
  34     VERIFY( false );
  35   }
  36   catch (const std::bad_array_new_length&)
  37   {
  38   }
  39
  40   std::pmr::polymorphic_allocator<int> a2;
  41   try
  42   {
  43     p = a2.allocate_object<large>(std::size_t(-1) / 256);
  44     VERIFY( false );
  45   }
  46   catch (const std::bad_array_new_length&)
  47   {
  48   }
  49 }
  50
  51 int
  52 main()
  53 {
  54   test01();
  55 }