/**
* Removed all data from file and sets pointer to 0
*
* @param int $new_size
*
* @return void
*/
public function truncate($new_size = 0)
{
$this->position(0);
$newData = substr($this->file->data(), 0, $new_size);
$newData = false === $newData ? '' : $newData;
$this->file->setData($newData);
$this->file->setModificationTime(time());
$this->file->setChangeTime(time());
return;
}
public function testOffsetPositionMovesPointerCorrectly()
{
$file = new File('/file');
$file->setData('data');
$handler = new FileHandler();
$handler->setFile($file);
$handler->offsetPosition(2);
$this->assertEquals(2, $handler->position());
$handler->offsetPosition(2);
$this->assertEquals(4, $handler->position());
}