lithium\test\Mocker::callFunction PHP Method

    public static function callFunction($name, array &$params = array())
    {
        $function = substr($name, strrpos($name, '\\'));
        $exists = isset(static::$_functionCallbacks[$name]);
        if ($exists && is_callable(static::$_functionCallbacks[$name])) {
            $function = static::$_functionCallbacks[$name];
        }
        $result = call_user_func_array($function, $params);
        if (!isset(static::$_functionResults[$name])) {
            static::$_functionResults[$name] = array();
        }
        static::$_functionResults[$name][] = array('args' => $params, 'result' => $result, 'time' => microtime(true));
        return $result;
    }

 public function testCallFunctionUsesGlobalFallback()
 {
     $result = Mocker::callFunction('foo\\bar\\baz\\get_called_class');
     $this->assertIdentical('lithium\\test\\Mocker', $result);
 }