PocketMine-MP/tests/phpunit/world/format/SubChunkTest.php

<?php

/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
*/

declare(strict_types=1);

namespace pocketmine\world\format;

use PHPUnit\Framework\TestCase;

class SubChunkTest extends TestCase{

	/**
	 * Test that a cloned SubChunk instance doesn't influence the original
	 */
	public function testClone() : void{
		$sub1 = new SubChunk(0, []);

		$sub1->setFullBlock(0, 0, 0, 1);
		$sub1->getBlockLightArray()->set(0, 0, 0, 1);
		$sub1->getBlockSkyLightArray()->set(0, 0, 0, 1);

		$sub2 = clone $sub1;

		$sub2->setFullBlock(0, 0, 0, 2);
		$sub2->getBlockLightArray()->set(0, 0, 0, 2);
		$sub2->getBlockSkyLightArray()->set(0, 0, 0, 2);

		self::assertNotSame($sub1->getFullBlock(0, 0, 0), $sub2->getFullBlock(0, 0, 0));
		self::assertNotSame($sub1->getBlockLightArray()->get(0, 0, 0), $sub2->getBlockLightArray()->get(0, 0, 0));
		self::assertNotSame($sub1->getBlockSkyLightArray()->get(0, 0, 0), $sub2->getBlockSkyLightArray()->get(0, 0, 0));
	}
}