public function testEmptyFilterCollection()
{
$filters = new FilterCollection();
$this->assertFalse($filters->rewind());
$this->assertFalse($filters->end());
$this->assertFalse($filters->key());
$this->assertFalse($filters->current());
$this->assertFalse($filters->valid());
$this->assertSame(0, count($filters));
}
/**
* Get the next word in queue as a stream.
*
* Get the next word in queue as a stream, after automatically decoding its
* length.
*
* @return resource The word, as a stream.
* @see close()
*/
public function getNextWordAsStream()
{
$filters = new T\FilterCollection();
if (null !== ($remoteCharset = $this->getCharset(self::CHARSET_REMOTE)) && null !== ($localCharset = $this->getCharset(self::CHARSET_LOCAL))) {
$filters->append('convert.iconv.' . $remoteCharset . '.' . $localCharset . '//IGNORE//TRANSLIT');
}
if ($this->trans->isPersistent()) {
$old = $this->trans->lock(T\Stream::DIRECTION_RECEIVE);
$stream = $this->trans->receiveStream(self::decodeLength($this->trans), $filters, 'stream word');
$this->trans->lock($old, true);
} else {
$stream = $this->trans->receiveStream(self::decodeLength($this->trans), $filters, 'stream word');
}
return $stream;
}
