public function testMetaDataSuccess()
{
$temp = $this->createTempDir(__CLASS__);
$meta = new ezcCacheStackLruMetaData();
$meta->setState(array('replacementData' => array('id_1' => 23, 'id_2' => 42), 'storageData' => array('storage_id_1' => array('id_1' => true, 'id_2' => true), 'storage_id_2' => array('id_2' => true))));
$storage = new ezcCacheStorageFileArray($temp);
$this->assertFalse(file_exists($storage->getLocation() . $storage->options->metaDataFile), 'Meta data file existed before the storage was created.');
$storage->storeMetaData($meta);
$this->assertTrue(file_exists($storage->getLocation() . $storage->options->metaDataFile), 'Meta data file existed before the storage was created.');
$restoredMeta = $storage->restoreMetaData();
$this->assertEquals($meta, $restoredMeta, 'Meta data not restored correctly.');
$this->assertTrue(file_exists($storage->getLocation() . $storage->options->metaDataFile), 'Meta data does not exist anymore after restoring.');
$this->removeTempDir();
}
