libstdc++-v3/testsuite/experimental/memory/shared_ptr/cast/cast.cc

   1 // Copyright (C) 2015-2021 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 // 8.2.1.3 shared_ptr casts [memory.smartptr.shared.cast]
  19
  20 #include <experimental/memory>
  21 #include <testsuite_tr1.h>
  22
  23 // { dg-do compile { target c++14 } }
  24
  25 struct A { };
  26
  27 int
  28 main()
  29 {
  30   using __gnu_test::check_ret_type;
  31   using std::experimental::shared_ptr;
  32   using std::experimental::static_pointer_cast;
  33   using std::experimental::const_pointer_cast;
  34   using std::experimental::dynamic_pointer_cast;
  35
  36   shared_ptr<A[5]> spa;
  37   shared_ptr<const A[5]> spa1;
  38
  39   check_ret_type<shared_ptr<A[]> >(static_pointer_cast<A[]>(spa));
  40   check_ret_type<shared_ptr<A[]> >(const_pointer_cast<A[]>(spa1));
  41   return 0;
  42 }