RobotsTxt robotsTxt = new RobotsTxt();

        Directive retrieved = robotsTxt.getDirective(null);
        assertNull(retrieved);
    }

    public void test_getMatchedDirectiveWithExactMatch() {
        // Test getMatchedDirective with exact match
        RobotsTxt robotsTxt = new RobotsTxt();

        Directive directive = new Directive("MyBot");
        directive.addDisallow("/admin/");