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路径: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\luabind\test\test_null_pointer.cpp

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// Copyright (c) 2003 Daniel Wallin and Arvid Norberg

// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.

#include "test.hpp"
#include <luabind/luabind.hpp>

struct A : counted_type<A>
{
	A* f() { return 0; }
};

A* return_pointer()
{
	return 0;
}

COUNTER_GUARD(A);

void test_main(lua_State* L)
{
	using namespace luabind;

	module(L)
	[
		class_<A>("A")
			.def(constructor<>())
			.def("f", &A::f),

		def("return_pointer", &return_pointer)
	];


	DOSTRING(L,
		"e = return_pointer()\n"
		"assert(e == nil)");

	DOSTRING(L,
		"a = A()\n"
		"e = a:f()\n"
		"assert(e == nil)");
}

test_null_pointer.cpp

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