ipv4 = InetAddresses.forString("192.0.2.45");
    assertEquals(ipv4, InetAddresses.getEmbeddedIPv4ClientAddress(testIp));
  }

  public void testGetCoercedIPv4Address() {
    // Check that a coerced IPv4 address is unaltered.
    assertThat(InetAddresses.getCoercedIPv4Address(InetAddresses.forString("127.0.0.1")))
        .isEqualTo(InetAddresses.forString("127.0.0.1"));