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// Copyright Daniel Wallin 2008. Use, modification and distribution is
// subject to the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include "test.hpp"
#include <luabind/luabind.hpp>
#include <luabind/adopt_policy.hpp>
#include <iostream>
struct Base
{
Base()
{
count++;
}
virtual ~Base()
{
count--;
}
static int count;
};
int Base::count = 0;
struct Base_wrap : Base, luabind::wrap_base
{};
void destroy(Base* p)
{
delete p;
}
Base* adopted = 0;
void take_ownership(Base* p)
{
adopted = p;
}
void not_null(Base* p)
{
TEST_CHECK(p);
}
void test_main(lua_State* L)
{
using namespace luabind;
disable_super_deprecation();
module(L) [
class_<Base, Base_wrap>("Base")
.def(constructor<>()),
def("take_ownership", &take_ownership, adopt(_1)),
def("not_null", ¬_null)
];
DOSTRING(L,
"x = Base()\n"
);
TEST_CHECK(Base::count == 1);
DOSTRING(L,
"x = nil\n"
"collectgarbage('collect')\n"
);
TEST_CHECK(Base::count == 0);
DOSTRING(L,
"class 'Derived' (Base)\n"
" function Derived:__init()\n"
" super()\n"
" self.x = Base()\n"
" end\n"
);
DOSTRING(L,
"x = Derived()\n"
);
TEST_CHECK(Base::count == 2);
DOSTRING(L,
"x = nil\n"
"collectgarbage('collect')\n"
"collectgarbage('collect')\n"
);
TEST_CHECK(Base::count == 0);
DOSTRING(L,
"x = nil\n"
"collectgarbage('collect')\n"
);
TEST_CHECK(Base::count == 0);
DOSTRING(L,
"class 'Derived2' (Derived)\n"
" function Derived2:__init()\n"
" super()\n"
" end\n"
);
DOSTRING(L,
"x = Derived2()\n"
);
TEST_CHECK(Base::count == 2);
DOSTRING(L,
"x = nil\n"
"collectgarbage('collect')\n"
"collectgarbage('collect')\n"
);
TEST_CHECK(Base::count == 0);
DOSTRING(L,
"x = Derived()\n"
);
TEST_CHECK(Base::count == 2);
DOSTRING(L,
"take_ownership(x)\n"
"x = nil\n"
"collectgarbage('collect')\n"
"collectgarbage('collect')\n"
);
TEST_CHECK(Base::count == 2);
delete adopted;
DOSTRING(L,
"collectgarbage('collect')\n"
"collectgarbage('collect')\n"
);
TEST_CHECK(Base::count == 0);
DOSTRING(L,
"x = Derived2()\n"
);
TEST_CHECK(Base::count == 2);
DOSTRING(L,
"take_ownership(x)\n"
"x = nil\n"
"collectgarbage('collect')\n"
"collectgarbage('collect')\n"
);
TEST_CHECK(Base::count == 2);
delete adopted;
DOSTRING(L,
"collectgarbage('collect')\n"
"collectgarbage('collect')\n"
);
TEST_CHECK(Base::count == 0);
DOSTRING(L,
"x = Derived()\n"
"take_ownership(x)\n"
"not_null(x)\n"
);
delete adopted;
DOSTRING(L,
"x = nil\n"
"collectgarbage('collect')\n"
);
TEST_CHECK(Base::count == 0);
}
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