ceph/src/boost/libs/smart_ptr/test/pointer_cast_dy_fail3.cpp

   1 //
   2 //  A negative test for unique_ptr dynamic_cast
   3 //
   4 //  Copyright 2016 Peter Dimov
   5 //
   6 //  Distributed under the Boost Software License, Version 1.0.
   7 //  See accompanying file LICENSE_1_0.txt or copy at
   8 //  http://www.boost.org/LICENSE_1_0.txt
   9 //
  10
  11 #include <boost/pointer_cast.hpp>
  12 #include <memory>
  13
  14 struct B
  15 {
  16     virtual ~B()
  17     {
  18     }
  19 };
  20
  21 struct D: B
  22 {
  23 };
  24
  25 int main()
  26 {
  27     std::unique_ptr<D[]> p1( new D[ 1 ] );
  28     std::unique_ptr<B[]> p2 = boost::dynamic_pointer_cast<B[]>( std::move( p1 ) );
  29 }