// 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>

namespace
{
	struct test_class : counted_type<test_class>
	{
		test_class() {}
		int f() const
		{
			return 5;
		}
	};

	int f(int a)
	{
		return 9;
	}

	int j(lua_State* L)
	{
		lua_pushnumber(L, 9);
		return lua_yield(L, 1);
	}

	void f() {}
}

void test_yield()
{
    COUNTER_GUARD(test_class);

	lua_state L;

	using namespace luabind;

	module(L)
	[
		class_<test_class>("test")
			.def(constructor<>())
			.def("f", &test_class::f, luabind::yield)
	];

	DOSTRING(L,
		"function h()\n"
		"	coroutine.yield(4)"
		"end");

	{
		lua_State* thread = lua_newthread(L);
        BOOST_CHECK(resume_function<int>(thread, "h") == 4);
        lua_pop(L, 1); // pop thread
    }

	DOSTRING(L,
		"function g(str)\n"
		"	assert(str == 'foobar')\n"
		"	a = test()"
		"	for i = 1, 10 do\n"
		"		assert(a:f() == i + 4)\n"
		"	end\n"
		"end");

	{
        lua_State* thread = lua_newthread(L);

        BOOST_CHECK(resume_function<int>(thread, "g", "foobar") == 5);
		for (int i = 1; i < 10; ++i)
		{
			BOOST_CHECK(resume<int>(thread, i + 4) == 5);
		}
		lua_pop(L, 1); // pop thread
	}


	{
        lua_State* thread = lua_newthread(L);
		object g = get_globals(thread)["g"];

        BOOST_CHECK(resume_function<int>(g, "foobar") == 5);
		for (int i = 1; i < 10; ++i)
		{
			BOOST_CHECK(resume<int>(thread, i + 4) == 5);
		}
		lua_pop(L, 1); // pop thread
	}

}

