libstdc++-v3/testsuite/20_util/shared_ptr/assign/unique_ptr_lvalue_neg.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2008-2021 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 // 20.7.12.2 Template class shared_ptr [util.smartptr.shared]
  21
  22 #include <memory>
  23 #include <testsuite_hooks.h>
  24
  25 struct A { };
  26
  27 // 20.7.12.2.3 shared_ptr assignment [util.smartptr.shared.assign]
  28
  29 // Assignment from lvalue unique_ptr
  30 int
  31 test01()
  32 {
  33   std::shared_ptr<A> a;
  34   std::unique_ptr<A> u;
  35   a = u; // { dg-error "" }
  36
  37   return 0;
  38 }
  39
  40 int
  41 main()
  42 {
  43   test01();
  44   return 0;
  45 }
  46 // { dg-prune-output "initializing argument" }