assertEquals("", referral.getRpath());
        assertEquals("", referral.getAltPath());
        assertEquals("", referral.getNode());
    }

    @Test
    public void testVariousFieldValues() {
        int[][] testCases = { { 0, 0, 0 }, { 100, 200, 300 }, { 32767, 32767, 32767 }, { 65535, 65535, 65535 } };

        for (int[] testCase : testCases) {
            int serverType = testCase[0];