public function tally()
    {
        while (list($severity, $message, $file, $line) = $this->extract()) {
            $severity = $this->getSeverityAsString($severity);
            $this->test->error($severity, $message, $file, $line);
        }
        while (list($expected, $message) = $this->extractExpectation()) {
            $this->test->assert($expected, false, '%s -> Expected error not caught');
        }
    }