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RegionLoader: fix off-by-one bug with large chunks, closes #2615

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Dylan K. Taylor
2018-12-29 00:02:54 +00:00
parent 0eef634aab
commit beb5d72299
2 changed files with 53 additions and 1 deletions
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52
tests/phpunit/level/format/io/region/RegionLoaderTest.php Normal file
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<?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\level\format\io\region;
use PHPUnit\Framework\TestCase;
use pocketmine\level\format\ChunkException;
class RegionLoaderTest extends TestCase{
public function testChunkTooBig() : void{
$r = new RegionLoader(sys_get_temp_dir() . '/chunk_too_big.testregion_' . bin2hex(random_bytes(4)), 0, 0);
$r->open();
$this->expectException(ChunkException::class);
$r->writeChunk(0, 0, str_repeat("a", 1044476));
}
public function testChunkMaxSize() : void{
$data = str_repeat("a", 1044475);
$path = sys_get_temp_dir() . '/chunk_just_fits.testregion_' . bin2hex(random_bytes(4));
$r = new RegionLoader($path, 0, 0);
$r->open();
$r->writeChunk(0, 0, $data);
$r->close();
$r = new RegionLoader($path, 0, 0);
$r->open();
self::assertSame($data, $r->readChunk(0, 0));
}
}