private static final BigDecimal MIN_LONG_AS_BIG_DECIMAL = BigDecimal.valueOf(Long.MIN_VALUE);

  public void testConstantsMaxFactorial() {
    BigInteger maxDoubleValue = BigDecimal.valueOf(Double.MAX_VALUE).toBigInteger();
    assertThat(BigIntegerMath.factorial(DoubleMath.MAX_FACTORIAL)).isAtMost(maxDoubleValue);
    assertThat(BigIntegerMath.factorial(DoubleMath.MAX_FACTORIAL + 1))
        .isGreaterThan(maxDoubleValue);
  }

  private static final BigDecimal MIN_LONG_AS_BIG_DECIMAL = BigDecimal.valueOf(Long.MIN_VALUE);

  public void testConstantsMaxFactorial() {
    BigInteger maxDoubleValue = BigDecimal.valueOf(Double.MAX_VALUE).toBigInteger();
    assertThat(BigIntegerMath.factorial(DoubleMath.MAX_FACTORIAL)).isAtMost(maxDoubleValue);
    assertThat(BigIntegerMath.factorial(DoubleMath.MAX_FACTORIAL + 1))
        .isGreaterThan(maxDoubleValue);
  }

   *
   * @param address {@link InetAddress} to convert
   * @return {@code BigInteger} representation of the address
   * @since 28.2
   */
  public static BigInteger toBigInteger(InetAddress address) {
    return new BigInteger(1, address.getAddress());
  }

  /**
   * Returns an Inet4Address having the integer value specified by the argument.
   *

  private static void checkBigIntegerConversion(String ip, BigInteger bigIntegerIp) {
    InetAddress address = InetAddresses.forString(ip);
    boolean isIpv6 = address instanceof Inet6Address;
    assertThat(InetAddresses.toBigInteger(address)).isEqualTo(bigIntegerIp);
    assertThat(
            isIpv6
                ? InetAddresses.fromIPv6BigInteger(bigIntegerIp)
                : InetAddresses.fromIPv4BigInteger(bigIntegerIp))