libstdc++-v3/testsuite/experimental/propagate_const/cons/move_neg.cc

   1 // { dg-do compile { target c++14 } }
   2
   3 // Copyright (C) 2015-2020 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 <experimental/propagate_const>
  21 #include <testsuite_hooks.h>
  22 #include <utility>
  23 #include <memory>
  24
  25 using std::experimental::propagate_const;
  26 using std::unique_ptr;
  27
  28 int main()
  29 {
  30   const int dummy{42};
  31   propagate_const<const int*> test1{&dummy};
  32   propagate_const<int*> test2{&dummy}; // { dg-error "no matching function" }
  33   propagate_const<int*> test3{std::move(test1)}; // { dg-error "no matching function" }
  34   propagate_const<unique_ptr<const int>> test4 = &dummy; // { dg-error "conversion" }
  35   propagate_const<unique_ptr<const int>> test5 = std::move(test1); // { dg-error "conversion" }
  36 }
  37 // { dg-prune-output "no type" }