ByteSource
  {

    final byte[] bytes;
    final int offset;
    final int length;

    ByteArrayByteSource(byte[] bytes) {
      this(bytes, 0, bytes.length);
    }

    // NOTE: Preconditions are enforced by slice, the only non-trivial caller.
    ByteArrayByteSource(byte[] bytes, int offset, int length) {
      this.bytes = bytes;
      this.offset = offset;
      this.length = length;

        this.openTimeout = 0xFFFFFFFF;
    }

    /**
     * Gets the maximum count of bytes to read.
     *
     * @return the maxCount
     */
    public final int getMaxCount() {
        return this.maxCount;
    }

    /**
     * Sets the maximum count of bytes to read.
     *
     * @param maxCount
     *            the maxCount to set
     */

  @Override
  byte readByte();

  @CanIgnoreReturnValue // to skip a byte
  @Override
  int readUnsignedByte();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  short readShort();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  int readUnsignedShort();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  char readChar();

  @CanIgnoreReturnValue // to skip some bytes

  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putBytes(byte[] bytes) {
    return putBytes(bytes, 0, bytes.length);
  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putBytes(byte[] bytes, int off, int len) {
    Preconditions.checkPositionIndexes(off, off + len, bytes.length);
    for (int i = 0; i < len; i++) {
      putByte(bytes[off + i]);
    }
    return this;
  }

  @Override

     * The constructor should only use the first 8/32 bytes.
     */
    @Test
    void testAvSingleHostCustomDataMachineIdConstructor_LongerInputs() {
        byte[] customData = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A }; // Longer than 8
        byte[] machineId = new byte[40]; // Longer than 32
        for (int i = 0; i < 40; i++) {
            machineId[i] = (byte) i;
        }

    return new String(chars);
  }

  private static byte[] toByteArray(int... bytes) {
    byte[] realBytes = new byte[bytes.length];
    for (int i = 0; i < bytes.length; i++) {
      realBytes[i] = (byte) bytes[i];
    }
    return realBytes;
  }

  private static void assertWellFormed(int... bytes) {
    assertTrue(Utf8.isWellFormed(toByteArray(bytes)));
  }

        assertEquals(1, response.setupCount);
    }

    // Helper method to write a 4-byte integer to a byte array.
    private void writeInt4(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
        dst[dstIndex + 2] = (byte) (val >> 16);
        dst[dstIndex + 3] = (byte) (val >> 24);
    }

class HMACT64Test {

    private static final byte[] TEST_KEY = "testkey".getBytes();
    private static final byte[] LONG_TEST_KEY = new byte[80]; // Longer than 64 bytes
    private static final byte[] SHORT_TEST_KEY = "short".getBytes();
    private static final byte[] TEST_DATA = "testdata".getBytes();
    private static final byte[] EMPTY_DATA = new byte[0];

    static {
        // Initialize long key with predictable data

            // Verify offset (8 bytes)
            assertEquals(offset, SMBUtil.readInt8(buffer, 0));

            // Verify length (8 bytes)
            assertEquals(length, SMBUtil.readInt8(buffer, 8));

            // Verify flags (4 bytes)
            assertEquals(flags, SMBUtil.readInt4(buffer, 16));

            // Verify reserved field is zeros (4 bytes)

    @Override
    protected int writeBytesWireFormat(byte[] dst, int dstIndex) {
        int start = dstIndex;

        // StructureSize (2 bytes) - must be 36
        SMBUtil.writeInt2(STRUCTURE_SIZE, dst, dstIndex);
        dstIndex += 2;

        // Reserved (2 bytes)
        SMBUtil.writeInt2(0, dst, dstIndex);
        dstIndex += 2;

        // Flags (4 bytes)
        SMBUtil.writeInt4(flags, dst, dstIndex);