test/test_smart_ptr_attributes.cpp

   1 // Copyright Daniel Wallin 2009. Use, modification and distribution is
   2 // subject to the Boost Software License, Version 1.0. (See accompanying
   3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   4
   5 #include "test.hpp"
   6 #include <luabind/luabind.hpp>
   7 #include <boost/shared_ptr.hpp>
   8 #include <luabind/shared_ptr_converter.hpp>
   9 #include <luabind/class_info.hpp>
  10
  11 struct Foo
  12 {
  13     Foo() : m_baz(0) {}
  14     int m_baz;
  15 };
  16
  17 struct Bar
  18 {
  19     boost::shared_ptr<Foo> getFoo() const { return m_foo; }
  20     void setFoo( boost::shared_ptr<Foo> foo ) {  m_foo = foo; }
  21
  22     boost::shared_ptr<Foo> m_foo;
  23 };
  24
  25 void test_main(lua_State* L)
  26 {
  27     using namespace luabind;
  28
  29     bind_class_info(L);
  30
  31     module( L )
  32     [
  33         class_<Foo, boost::shared_ptr<Foo> >( "Foo" )
  34             .def( constructor<>() )
  35             .def_readwrite("baz", &Foo::m_baz),
  36         class_<Bar, boost::shared_ptr<Bar> >( "Bar" )
  37             .def( constructor<>() )
  38             .property("fooz", &Bar::getFoo, &Bar::setFoo)
  39             .def_readwrite("foo", &Bar::m_foo)
  40     ];
  41     dostring( L, "foo = Foo();");
  42     dostring( L,    "foo.baz = 42;");
  43     dostring( L,    "x = Bar();");
  44     dostring( L,    "x.fooz = foo;");
  45     dostring( L,    "print(type(x), class_info(x).name);");
  46     dostring( L,    "print(type(x.fooz), class_info(x.fooz).name);");
  47     dostring( L,    "print(type(x.foo), class_info(x.foo).name);"); // crashes here);
  48 }