/*************************************************************************/
/*  test_method_bind.h                                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* 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.                */
/*************************************************************************/

#ifndef TEST_METHOD_BIND_H
#define TEST_METHOD_BIND_H

#include "core/object/class_db.h"

#include "tests/test_macros.h"

namespace TestMethodBind {

class MethodBindTester : public Object {
	GDCLASS(MethodBindTester, Object);

public:
	enum Test {
		TEST_METHOD,
		TEST_METHOD_ARGS,
		TEST_METHODC,
		TEST_METHODC_ARGS,
		TEST_METHODR,
		TEST_METHODR_ARGS,
		TEST_METHODRC,
		TEST_METHODRC_ARGS,
		TEST_METHOD_DEFARGS,
		TEST_MAX
	};

	int test_num = 0;

	bool test_valid[TEST_MAX];

	void test_method() {
		test_valid[TEST_METHOD] = true;
	}

	void test_method_args(int p_arg) {
		test_valid[TEST_METHOD_ARGS] = p_arg == test_num;
	}

	void test_methodc() {
		test_valid[TEST_METHODC] = true;
	}

	void test_methodc_args(int p_arg) {
		test_valid[TEST_METHODC_ARGS] = p_arg == test_num;
	}

	int test_methodr() {
		test_valid[TEST_METHODR] = true; //temporary
		return test_num;
	}

	int test_methodr_args(int p_arg) {
		test_valid[TEST_METHODR_ARGS] = true; //temporary
		return p_arg;
	}

	int test_methodrc() {
		test_valid[TEST_METHODRC] = true; //temporary
		return test_num;
	}

	int test_methodrc_args(int p_arg) {
		test_valid[TEST_METHODRC_ARGS] = true; //temporary
		return p_arg;
	}

	void test_method_default_args(int p_arg1, int p_arg2, int p_arg3, int p_arg4, int p_arg5) {
		test_valid[TEST_METHOD_DEFARGS] = p_arg1 == 1 && p_arg2 == 2 && p_arg3 == 3 && p_arg4 == 4 && p_arg5 == 5; //temporary
	}

	static void _bind_methods() {
		ClassDB::bind_method(D_METHOD("test_method"), &MethodBindTester::test_method);
		ClassDB::bind_method(D_METHOD("test_method_args"), &MethodBindTester::test_method_args);
		ClassDB::bind_method(D_METHOD("test_methodc"), &MethodBindTester::test_methodc);
		ClassDB::bind_method(D_METHOD("test_methodc_args"), &MethodBindTester::test_methodc_args);
		ClassDB::bind_method(D_METHOD("test_methodr"), &MethodBindTester::test_methodr);
		ClassDB::bind_method(D_METHOD("test_methodr_args"), &MethodBindTester::test_methodr_args);
		ClassDB::bind_method(D_METHOD("test_methodrc"), &MethodBindTester::test_methodrc);
		ClassDB::bind_method(D_METHOD("test_methodrc_args"), &MethodBindTester::test_methodrc_args);
		ClassDB::bind_method(D_METHOD("test_method_default_args"), &MethodBindTester::test_method_default_args, DEFVAL(9) /* wrong on purpose */, DEFVAL(4), DEFVAL(5));
	}

	virtual void run_tests() {
		for (int i = 0; i < TEST_MAX; i++) {
			test_valid[i] = false;
		}
		//regular
		test_num = Math::rand();
		call("test_method");
		test_num = Math::rand();
		call("test_method_args", test_num);
		test_num = Math::rand();
		call("test_methodc");
		test_num = Math::rand();
		call("test_methodc_args", test_num);
		//return
		test_num = Math::rand();
		test_valid[TEST_METHODR] = int(call("test_methodr")) == test_num && test_valid[TEST_METHODR];
		test_num = Math::rand();
		test_valid[TEST_METHODR_ARGS] = int(call("test_methodr_args", test_num)) == test_num && test_valid[TEST_METHODR_ARGS];
		test_num = Math::rand();
		test_valid[TEST_METHODRC] = int(call("test_methodrc")) == test_num && test_valid[TEST_METHODRC];
		test_num = Math::rand();
		test_valid[TEST_METHODRC_ARGS] = int(call("test_methodrc_args", test_num)) == test_num && test_valid[TEST_METHODRC_ARGS];

		call("test_method_default_args", 1, 2, 3, 4);
	}
};

TEST_CASE("[MethodBind] check all method binds") {
	MethodBindTester *mbt = memnew(MethodBindTester);

	print_line("testing method bind");
	mbt->run_tests();

	CHECK(mbt->test_valid[MethodBindTester::TEST_METHOD]);
	CHECK(mbt->test_valid[MethodBindTester::TEST_METHOD_ARGS]);
	CHECK(mbt->test_valid[MethodBindTester::TEST_METHODC]);
	CHECK(mbt->test_valid[MethodBindTester::TEST_METHODC_ARGS]);
	CHECK(mbt->test_valid[MethodBindTester::TEST_METHODR]);
	CHECK(mbt->test_valid[MethodBindTester::TEST_METHODR_ARGS]);
	CHECK(mbt->test_valid[MethodBindTester::TEST_METHODRC]);
	CHECK(mbt->test_valid[MethodBindTester::TEST_METHODRC_ARGS]);
	CHECK(mbt->test_valid[MethodBindTester::TEST_METHOD_DEFARGS]);

	memdelete(mbt);
}
} // namespace TestMethodBind

#endif // TEST_METHOD_BIND_H