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// Copyright Daniel Wallin 2009. 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 <boost/shared_ptr.hpp>
namespace {
struct X
{
X(int value_)
: value(value_)
{
++alive;
}
~X()
{
--alive;
}
int value;
static int alive;
};
int X::alive = 0;
struct D: X
{
D(int value_): X(value_) {}
};
struct ptr
{
ptr(X* p_)
: p(p_)
{}
ptr(ptr const& other)
: p(other.p)
{
const_cast<ptr&>(other).p = 0;
}
~ptr()
{
delete p;
}
X* p;
};
X* get_pointer(ptr const& p)
{
return p.p;
}
#ifdef LUABIND_USE_CXX11
std::unique_ptr<X> make1()
{
return std::unique_ptr<X>(new X(1));
}
#else
std::auto_ptr<X> make1()
{
return std::auto_ptr<X>(new X(1));
}
#endif
boost::shared_ptr<X> make2()
{
return boost::shared_ptr<X>(new X(2));
}
ptr make3()
{
return ptr(new X(3));
}
boost::shared_ptr<D> make_d()
{
return boost::shared_ptr<D>(new D(10));
}
void needs_x(boost::shared_ptr<X>) {}
} // namespace unnamed
void test_main(lua_State* L)
{
using namespace luabind;
module(L) [
class_<X>("X")
.def_readonly("value", &X::value),
class_<D, X>("D"),
def("make1", make1),
def("make2", make2),
def("make3", make3),
def("make_d", make_d),
def("needs_x", needs_x)
];
DOSTRING(L,
"x1 = make1()\n"
"x2 = make2()\n"
"x3 = make3()\n"
);
TEST_CHECK(X::alive == 3);
DOSTRING(L,
"assert(x1.value == 1)\n"
"assert(x2.value == 2)\n"
"assert(x3.value == 3)\n"
);
DOSTRING(L, "function get2() return x2 end");
boost::shared_ptr<X> spx = call_function<boost::shared_ptr<X> >(L, "get2");
TEST_CHECK(spx.use_count() == 2);
DOSTRING(L,
"x1 = nil\n"
"x2 = nil\n"
"x3 = nil\n"
"collectgarbage()\n"
);
TEST_CHECK(spx.use_count() == 1);
TEST_CHECK(X::alive == 1);
spx.reset();
TEST_CHECK(X::alive == 0);
DOSTRING(L,
"d = make_d()\n"
"status, err = pcall(needs_x, d)\n"
"assert(not status)\n"
"pat = '^No matching overload found, candidates:\\n'\n"
"pat = pat .. 'void needs_x%(custom %[.+%]%)$'\n"
"if not err:match(pat) then\n"
" error('expected \"' .. pat .. '\", got \"' .. err .. '\"')\n"
"end\n"
);
}
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