libstdc++-v3/testsuite/20_util/specialized_algorithms/memory_management_tools/destroy_neg.cc

   1 // Copyright (C) 2017-2019 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-options "-std=gnu++17" }
  19 // { dg-do compile { target c++17 } }
  20
  21 #include <memory>
  22
  23 // This has a trivial destructor, but should not be destructible!
  24 struct DeletedDtor {
  25   ~DeletedDtor() = delete;
  26 };
  27
  28 void
  29 test01()
  30 {
  31   alignas(DeletedDtor) unsigned char buf[sizeof(DeletedDtor)];
  32   auto p = ::new (buf) DeletedDtor();
  33   std::destroy(p, p + 1);       // { dg-error "here" }
  34   std::destroy_n(p, 1);         // { dg-error "here" }
  35 }
  36
  37 class PrivateDtor {
  38   ~PrivateDtor() { }
  39 };
  40
  41 void
  42 test02()
  43 {
  44   alignas(PrivateDtor) unsigned char buf[sizeof(PrivateDtor)];
  45   auto p = ::new (buf) PrivateDtor();
  46   std::destroy(p, p + 1);       // { dg-error "here" }
  47   std::destroy_n(p, 1);         // { dg-error "here" }
  48 }
  49
  50 // { dg-error "value type is destructible" "" { target *-*-* } 0 }