return;
    }
    assertThat(InetAddresses.forString(ipStr)).isEqualTo(ipv4Addr);
    assertTrue(InetAddresses.isInetAddress(ipStr));
  }

  public void testForStringIPv6Input() throws UnknownHostException {
    String ipStr = "3ffe::1";
    // Shouldn't hit DNS, because it's an IP string literal.
    InetAddress ipv6Addr = InetAddress.getByName(ipStr);