assertThat(teredo.getClient()).isEqualTo(client);

    assertEquals(port, teredo.getPort());
    assertEquals(flags, teredo.getFlags());
  }

  public void testTeredoAddress_nullServer() {
    InetAddresses.TeredoInfo info = new InetAddresses.TeredoInfo(null, null, 80, 1000);
    assertThat(info.getServer()).isEqualTo(InetAddresses.forString("0.0.0.0"));