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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>
struct X
{
private:
~X() {}
};
int ptr_count = 0;
template <class T>
struct ptr
{
ptr()
: p(0)
{
ptr_count++;
}
ptr(T* p)
: p(p)
{
ptr_count++;
}
ptr(ptr const& other)
: p(other.p)
{
ptr_count++;
}
template <class U>
ptr(ptr<U> const& other)
: p(other.p)
{
ptr_count++;
}
~ptr()
{
ptr_count--;
}
T* p;
};
template <class T>
T* get_pointer(ptr<T> const& x)
{
return x.p;
}
template <class T>
ptr<T const>* get_const_holder(ptr<T>*)
{
return 0;
}
void f1(X const&)
{}
void f2(X&)
{}
void f3(X const*)
{}
void f4(X*)
{}
void g1(ptr<X> p)
{
TEST_CHECK(ptr_count == (p.p ? 2 : 3));
}
void g2(ptr<X> const& p)
{
TEST_CHECK(ptr_count == (p.p ? 1 : 2));
}
void g3(ptr<X>*)
{
TEST_CHECK(ptr_count == 1);
}
void g4(ptr<X> const*)
{
TEST_CHECK(ptr_count == 1);
}
ptr<X> get()
{
return ptr<X>(new X);
}
void test_main(lua_State* L)
{
using namespace luabind;
module(L) [
class_<X, ptr<X> >("X"),
def("get", &get),
def("f1", &f1),
def("f2", &f2),
def("f3", &f3),
def("f4", &f4),
def("g1", &g1),
def("g2", &g2),
def("g3", &g3),
def("g4", &g4)
];
DOSTRING(L, "x = get()\n");
TEST_CHECK(ptr_count == 1);
DOSTRING(L, "f1(x)\n");
TEST_CHECK(ptr_count == 1);
DOSTRING(L, "f2(x)\n");
TEST_CHECK(ptr_count == 1);
DOSTRING(L, "f3(x)\n");
TEST_CHECK(ptr_count == 1);
DOSTRING(L, "f4(x)\n");
TEST_CHECK(ptr_count == 1);
DOSTRING(L, "g1(x)\n");
TEST_CHECK(ptr_count == 1);
DOSTRING(L, "g2(x)\n");
TEST_CHECK(ptr_count == 1);
DOSTRING(L, "g3(x)\n");
TEST_CHECK(ptr_count == 1);
DOSTRING(L, "g4(x)\n");
TEST_CHECK(ptr_count == 1);
DOSTRING(L,
"x = nil\n"
);
lua_gc(L, LUA_GCCOLLECT, 0);
TEST_CHECK(ptr_count == 0);
}
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