test/test_back_reference.cpp

   1 // Copyright (c) 2005 Daniel Wallin
   2
   3 // Permission is hereby granted, free of charge, to any person obtaining a
   4 // copy of this software and associated documentation files (the "Software"),
   5 // to deal in the Software without restriction, including without limitation
   6 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7 // and/or sell copies of the Software, and to permit persons to whom the
   8 // Software is furnished to do so, subject to the following conditions:
   9
  10 // The above copyright notice and this permission notice shall be included
  11 // in all copies or substantial portions of the Software.
  12
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
  14 // ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
  15 // TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  16 // PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
  17 // SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
  18 // ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  19 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
  21 // OR OTHER DEALINGS IN THE SOFTWARE.
  22
  23 #include "test.hpp"
  24 #include <luabind/luabind.hpp>
  25 #include <boost/shared_ptr.hpp>
  26
  27 using namespace luabind;
  28
  29 #ifdef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
  30 namespace luabind
  31 {
  32   using boost::get_pointer;
  33 }
  34 #endif
  35
  36 namespace luabind
  37 {
  38   template<class T>
  39   boost::shared_ptr<T const>* get_const_holder(boost::shared_ptr<T>*)
  40   {
  41       return 0;
  42   }
  43 }
  44
  45 struct base0
  46 {
  47     virtual ~base0() {}
  48 };
  49
  50 struct base_wrap0 : base0, wrap_base
  51 {};
  52
  53 struct base1
  54 {
  55     virtual ~base1() {}
  56 };
  57
  58 struct base_wrap1 : base1, wrap_base
  59 {};
  60
  61 base0* filter0(base0* p)
  62 {
  63     return p;
  64 }
  65
  66 boost::shared_ptr<base1> filter1(boost::shared_ptr<base1> const& p)
  67 {
  68     return p;
  69 }
  70
  71 void test_main(lua_State* L)
  72 {
  73     module(L)
  74     [
  75         class_<base0, base_wrap0>("base0")
  76           .def(constructor<>()),
  77         def("filter0", &filter0),
  78
  79         class_<base1, base_wrap1, boost::shared_ptr<base1> >("base1")
  80           .def(constructor<>()),
  81         def("filter1", &filter1)
  82     ];
  83
  84     DOSTRING(L,
  85         "class 'derived0' (base0)\n"
  86         "  function derived0:__init()\n"
  87         "    super()\n"
  88         "  end\n"
  89
  90         "class 'derived1' (base1)\n"
  91         "  function derived1:__init()\n"
  92         "    super()\n"
  93         "  end\n"
  94     );
  95
  96     DOSTRING(L,
  97         "x = derived0()\n"
  98         "y = filter0(x)\n"
  99         "assert(x == y)\n"
 100     );
 101
 102     DOSTRING(L,
 103         "x = derived1()\n"
 104         "y = filter1(x)\n"
 105         "assert(x == y)\n"
 106     );
 107 }
 108