@Test
public void testFormatAddress() {

    assertEquals("127.0.0.1:8000", formatAddress("127.0.0.1", 8000));
    assertEquals("mydomain.com:8080", formatAddress("mydomain.com", 8080));
    assertEquals("[::1]:1234", formatAddress("::1", 1234));
    assertEquals("[2001:db8:85a3:8d3:1319:8a2e:370:7348]:5678", formatAddress("2001:db8:85a3:8d3:1319:8a2e:370:7348", 5678));
}