String[] sitemaps = robotsTxt.getSitemaps();
        assertTrue(sitemaps.length >= 3); // At least the valid ones should be parsed

        // Test NumericBot - various crawl-delay formats
        // Should handle edge cases gracefully
        assertTrue(robotsTxt.getCrawlDelay("NumericBot") >= 0);

        // Test TabBot - tab characters should be treated as whitespace
        assertFalse(robotsTxt.allows("/tab1/", "TabBot"));