decodedInfo.decode(decodeBuffer);

        // Verify the decoded data matches
        assertEquals(dnsDomainInfo.name.length, decodedInfo.name.length);
        assertEquals(dnsDomainInfo.dns_domain.length, decodedInfo.dns_domain.length);
        assertEquals(dnsDomainInfo.dns_forest.length, decodedInfo.dns_forest.length);

        // Verify GUID
        assertEquals(dnsDomainInfo.domain_guid.time_low, decodedInfo.domain_guid.time_low);

    checkArgument(
        string.length() >= 2, "input string (%s) must have at least 2 characters", string);
    checkArgument(
        string.length() % 2 == 0,
        "input string (%s) must have an even number of characters",
        string);

    byte[] bytes = new byte[string.length() / 2];
    for (int i = 0; i < string.length(); i += 2) {
      int ch1 = decode(string.charAt(i)) << 4;

   */
  public static short[] concat(short[]... arrays) {
    long length = 0;
    for (short[] array : arrays) {
      length += array.length;
    }
    short[] result = new short[checkNoOverflow(length)];
    int pos = 0;
    for (short[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);
      pos += array.length;
    }
    return result;
  }

   */
  public static short[] concat(short[]... arrays) {
    long length = 0;
    for (short[] array : arrays) {
      length += array.length;
    }
    short[] result = new short[checkNoOverflow(length)];
    int pos = 0;
    for (short[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);
      pos += array.length;
    }
    return result;
  }

    return (T[]) Arrays.copyOfRange(array, 0, array.length);
  }

  // TODO: Consolidate different copies in one single place.
  static String format(String template, Object... args) {
    // start substituting the arguments into the '%s' placeholders
    StringBuilder builder = new StringBuilder(template.length() + 16 * args.length);
    int templateStart = 0;
    int i = 0;
    while (i < args.length) {

   */
  public static char[] concat(char[]... arrays) {
    long length = 0;
    for (char[] array : arrays) {
      length += array.length;
    }
    char[] result = new char[checkNoOverflow(length)];
    int pos = 0;
    for (char[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);
      pos += array.length;
    }
    return result;
  }

   */
  public static boolean[] concat(boolean[]... arrays) {
    long length = 0;
    for (boolean[] array : arrays) {
      length += array.length;
    }
    boolean[] result = new boolean[checkNoOverflow(length)];
    int pos = 0;
    for (boolean[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);
      pos += array.length;
    }
    return result;
  }

   */
  public static boolean[] concat(boolean[]... arrays) {
    long length = 0;
    for (boolean[] array : arrays) {
      length += array.length;
    }
    boolean[] result = new boolean[checkNoOverflow(length)];
    int pos = 0;
    for (boolean[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);
      pos += array.length;
    }
    return result;
  }

      if (x.length() != (originalString.length() * count)) {
        throw new RuntimeException("Wrong length: " + x);
      }
    }
  }

  private static String oldRepeat(String string, int count) {
    // If this multiplication overflows, a NegativeArraySizeException or
    // OutOfMemoryError is not far behind
    int len = string.length();
    int size = len * count;
    char[] array = new char[size];

        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04 };

        assertDoesNotThrow(() -> digest.update(data, 0, data.length));
    }

    @Test
    @DisplayName("Test update method with zero length")
    void testUpdateWithZeroLength() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey);
        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04 };