/**
* Protected function to overload the generator for unit testing purposes
*/
protected function genRandom()
{
$buffer = $this->mergeBuffers(self::$state, $this->genNormal());
if ($this->secure) {
$buffer = $this->mergeBuffers($buffer, $this->genSecure());
}
self::$state = $this->mergeBuffers(self::$state, $buffer);
return $buffer;
}