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

   1 #include <boost/config.hpp>
   2
   3 //  wp_convertible_test.cpp
   4 //
   5 //  Copyright (c) 2008 Peter Dimov
   6 //
   7 //  Distributed under the Boost Software License, Version 1.0.
   8 //  See accompanying file LICENSE_1_0.txt or copy at
   9 //  http://www.boost.org/LICENSE_1_0.txt
  10
  11 #include <boost/detail/lightweight_test.hpp>
  12 #include <boost/weak_ptr.hpp>
  13
  14 //
  15
  16 class incomplete;
  17
  18 struct X
  19 {
  20 };
  21
  22 struct Y
  23 {
  24 };
  25
  26 struct Z: public X
  27 {
  28 };
  29
  30 int f( boost::weak_ptr<void const> )
  31 {
  32     return 1;
  33 }
  34
  35 int f( boost::weak_ptr<int> )
  36 {
  37     return 2;
  38 }
  39
  40 int f( boost::weak_ptr<incomplete> )
  41 {
  42     return 3;
  43 }
  44
  45 int g( boost::weak_ptr<X> )
  46 {
  47     return 4;
  48 }
  49
  50 int g( boost::weak_ptr<Y> )
  51 {
  52     return 5;
  53 }
  54
  55 int g( boost::weak_ptr<incomplete> )
  56 {
  57     return 6;
  58 }
  59
  60 int main()
  61 {
  62     BOOST_TEST( 1 == f( boost::weak_ptr<double>() ) );
  63     BOOST_TEST( 1 == f( boost::shared_ptr<double>() ) );
  64     BOOST_TEST( 4 == g( boost::weak_ptr<Z>() ) );
  65     BOOST_TEST( 4 == g( boost::shared_ptr<Z>() ) );
  66
  67     return boost::report_errors();
  68 }