* byte order: the highest order byte of the address is in getAddress()[0].
     *
     * @return a four byte array
     */
    public byte[] getAddress() {
        final byte[] addr = new byte[4];
        addr[0] = (byte) (this.address >>> 24 & 0xFF);
        addr[1] = (byte) (this.address >>> 16 & 0xFF);
        addr[2] = (byte) (this.address >>> 8 & 0xFF);

    checkHmac(expected, Hashing.hmacMd5(key), data);
  }

  private static void checkHmac(String expected, HashFunction hashFunc, byte[] data) {
    assertEquals(HashCode.fromString(expected), hashFunc.hashBytes(data));
  }

  private static byte[] fillByteArray(int size, int toFillWith) {
    byte[] array = new byte[size];
    Arrays.fill(array, (byte) toFillWith);

     * @param encryptedData Encrypted data
     * @param unknownTag Optional unknown tag number to test error handling
     * @return A byte array representing the ticket
     * @throws IOException on encoding error
     */
    private byte[] createTestTicketBytes(Number version, String realm, String principalName, int encType, byte[] encryptedData,
            Integer unknownTag) throws IOException {
        ASN1EncodableVector v = new ASN1EncodableVector();

        assertTrue(result.contains("dataOffset=54"));
    }

    // Helper method to write a 2-byte integer to a byte array
    private void writeInt2(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
    }

        byte[] data = new byte[] { (byte) 0xF0, (byte) 0xDE, (byte) 0xBC, (byte) 0x9A, 0x78, 0x56, 0x34, 0x12 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals(0x123456789ABCDEF0L, pdis.readLong());
    }

    @Test
    public void testReadUnsignedByte() throws IOException {
        byte[] data = new byte[] { (byte) 0xFF };

        setByteCount(response, byteCountValue);
        byte[] buffer = new byte[byteCountValue];
        byte[] guid = new byte[16];
        for (int i = 0; i < 16; i++) {
            guid[i] = (byte) i;
        }
        System.arraycopy(guid, 0, buffer, 0, 16);
        byte[] token = new byte[10];
        for (int i = 0; i < 10; i++) {
            token[i] = (byte) (i + 16);
        }

    val body = body("")
    assertThat(body.bytes().size).isEqualTo(0)
  }

  @Test
  fun bytesSeesBom() {
    val body = body("efbbbf68656c6c6f")
    val bytes = body.bytes()
    assertThat(bytes[0] and 0xff).isEqualTo(0xef)
    assertThat(bytes[1] and 0xff).isEqualTo(0xbb)
    assertThat(bytes[2] and 0xff).isEqualTo(0xbf)
    assertThat(String(bytes, 3, 5, StandardCharsets.UTF_8)).isEqualTo("hello")
  }

    private static final int NEED_CHAR = Integer.MAX_VALUE;

    private static final int QUOTE = '\'';

    private static final byte CT_WHITESPACE = 1;

    private static final byte CT_ALPHA = 4;

    private final byte[] ctype;

    private static byte[] defaultCtype = new byte[256];

    private final String str;

    private int colno = 0;

    private int ttype = TT_NOTHING;

    private String sval;

/**
 * An implementation of {@link DataOutput} that uses little-endian byte ordering for writing {@code
 * char}, {@code short}, {@code int}, {@code float}, {@code double}, and {@code long} values.
 *
 * <p><b>Note:</b> This class intentionally violates the specification of its supertype {@code
 * DataOutput}, which explicitly requires big-endian byte order.
 *
 * @author Chris Nokleberg
 * @author Keith Bottner
 * @since 8.0
 */

    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override