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

   1 // { dg-do compile { target c++11 } }
   2 // { dg-require-effective-target hosted }
   3
   4 // Copyright (C) 2012-2022 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <memory>
  22
  23 // libstdc++/51365
  24 // Test with 'final' deleter and allocator.
  25
  26 struct A { };
  27
  28 struct D final
  29 {
  30   void operator()(A*) { }
  31 };
  32
  33 template<typename T>
  34 struct Alloc final : std::allocator<T>
  35 {
  36   Alloc() = default;
  37   template<typename U> Alloc(const Alloc<U>&) { }
  38
  39   template<typename U>
  40     struct rebind
  41     { typedef Alloc<U> other; };
  42 };
  43
  44 A a;
  45 D d;
  46
  47 Alloc<A> al;
  48
  49 auto sd = std::shared_ptr<A>(&a, d);
  50 auto sa = std::shared_ptr<A>(&a, d, al);
  51 auto as = std::allocate_shared<A>(al);