// padding is alwas binary 1 followed by binary 0s
        final byte[] tail = new byte[padLen + 8];
        tail[0] = (byte) 0x80;

        // append length before final transform:
        // save number of bits, casting the long to an array of 8 bytes
        // save low-order byte first.
        for (int i = 0; i < 8; i++) {
            tail[padLen + i] = (byte) (count * 8 >>> 8 * i);
        }

        
        // StructureSize (2 bytes)
        structureSize = readInt2(buffer, offset);
        offset += 2;
        
        // Reserved (2 bytes)
        offset += 2;
        
        // Flags (4 bytes)
        flags = readInt4(buffer, offset);
        offset += 4;
        
        // LeaseKey (16 bytes)
        byte[] keyBytes = new byte[16];

// Len returns the number of bytes of the unread portion of the buffer;
// b.Len() == len(b.Bytes()).
func (b *Buffer) Len() int { return len(b.buf) - b.off }

// Cap returns the capacity of the buffer's underlying byte slice, that is, the
// total space allocated for the buffer's data.
func (b *Buffer) Cap() int { return cap(b.buf) }

// Available returns how many bytes are unused in the buffer.

        // Session ID (8 bytes) - little-endian
        buffer[index++] = (byte) (testSessionId & 0xFF);
        buffer[index++] = (byte) ((testSessionId >> 8) & 0xFF);
        buffer[index++] = (byte) ((testSessionId >> 16) & 0xFF);
        buffer[index++] = (byte) ((testSessionId >> 24) & 0xFF);
        buffer[index++] = (byte) ((testSessionId >> 32) & 0xFF);

		genLine(tmp, lineNum, j, false)
		if j < smallMaxTokenSize {
			j++
		} else {
			j--
		}
		line := tmp.Bytes()
		if !bytes.Equal(s.Bytes(), line) {
			t.Errorf("%d: bad line: %d %d\n%.100q\n%.100q\n", lineNum, len(s.Bytes()), len(line), s.Bytes(), line)
		}
	}
	err := s.Err()
	if err != ErrTooLong {
		t.Fatalf("expected ErrTooLong; got %s", err)
	}
}

  public void testBytes() {
    Sink sink = new Sink(4); // byte order insignificant here
    byte[] expected = {1, 2, 3, 4, 5, 6, 7, 8};
    sink.putByte((byte) 1);
    sink.putBytes(new byte[] {2, 3, 4, 5, 6});
    sink.putByte((byte) 7);
    sink.putBytes(new byte[] {});
    sink.putBytes(new byte[] {8});
    HashCode unused = sink.hash();
    sink.assertInvariants(8);
    sink.assertBytes(expected);

            byte[] buffer = new byte[24];
            // alloc (8 bytes) - 0x0000000100000000 (4294967296)
            buffer[4] = 0x01;
            // free (8 bytes) - 0x0000000080000000 (2147483648)
            buffer[12] = (byte) 0x80;
            // sectPerAlloc (4 bytes) - 8
            buffer[16] = 0x08;
            // bytesPerSect (4 bytes) - 512
            buffer[20] = 0x00;

     */
    public static final byte[] UNSPECIFIED_FILEID =
            { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
                    (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF };

    /**
     * Unspecified tree ID value
     */

        when(mockFileInfo.getFileInformationLevel()).thenReturn((byte) FileInformation.FILE_BASIC_INFO);
        when(mockFileInfo.encode(any(byte[].class), anyInt())).thenReturn(50);

        trans2SetFileInfo = new Trans2SetFileInformation(config, TEST_FID, mockFileInfo);

        byte[] setupBuffer = new byte[256];
        byte[] paramBuffer = new byte[256];
        byte[] dataBuffer = new byte[256];

     * @param mechanismListMIC the mechanism list MIC bytes
     */
    public void setMechanismListMIC(final byte[] mechanismListMIC) {
        this.mechanismListMIC = mechanismListMIC;
    }

    /**
     * Encodes this SPNEGO token to a byte array
     * @return the encoded token bytes
     */
    public abstract byte[] toByteArray();

    /**
     * Parses the provided token bytes to populate this SPNEGO token