libstdc++-v3/testsuite/20_util/shared_ptr/cons/51365.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2012-2021 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <memory>
  21
  22 // libstdc++/51365
  23 // Test with 'final' deleter and allocator.
  24
  25 struct A { };
  26
  27 struct D final
  28 {
  29   void operator()(A*) { }
  30 };
  31
  32 template<typename T>
  33 struct Alloc final : std::allocator<T>
  34 {
  35   Alloc() = default;
  36   template<typename U> Alloc(const Alloc<U>&) { }
  37
  38   template<typename U>
  39     struct rebind
  40     { typedef Alloc<U> other; };
  41 };
  42
  43 A a;
  44 D d;
  45
  46 Alloc<A> al;
  47
  48 auto sd = std::shared_ptr<A>(&a, d);
  49 auto sa = std::shared_ptr<A>(&a, d, al);
  50 auto as = std::allocate_shared<A>(al);