}

            int readLow = stream.read() & 0xff;
            int readHigh = stream.read() & 0xff;
            int read = (readHigh << 8) + readLow;
            if (read != 0x01) {
                throw new PACDecodingException("Malformed kerberos token");
            }

            ASN1TaggedObject mechToken = ASN1Util.as(ASN1TaggedObject.class, stream.readObject());

        return dstIndex - start;
    }

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

        dst[dstIndex] = (byte) 0x01; /* BufferFormat */
        dstIndex++;
        SMBUtil.writeInt2(this.count, dst, dstIndex); /* DataLength? */
        dstIndex += 2;
        System.arraycopy(this.b, this.off, dst, dstIndex, this.count);

        byte[] bufferData = buf.getBuffer();
        assertEquals((byte) 0xCD, bufferData[startIndex + alignmentBytes], "Least significant byte should be first");
        assertEquals((byte) 0x00, bufferData[startIndex + alignmentBytes + 1], "Most significant byte should be second");
    }

    /**
     * When given a buffer with sufficient length, decode performs
     * the inverse of encode.
     */

                Name name;
                NbtAddress addr;
                char c = '.';

                ip = i = 0;
                for (; i < data.length && c == '.'; i++) {
                    int b = 0x00;

                    for (; i < data.length && (c = data[i]) >= 48 && c <= 57; i++) {
                        b = b * 10 + c - '0';
                    }
                    ip = (ip << 8) + b;
                }

        request = new Smb2CreateRequest(mockConfig, "test.txt");

        request.setSecurityFlags((byte) 0x01);
        // Verify through writeBytesWireFormat
        byte[] buffer = new byte[1024];
        request.writeBytesWireFormat(buffer, 0);
        assertEquals((byte) 0x01, buffer[2]);
    }

    @Test
    @DisplayName("Test oplock level setter")
    void testSetRequestedOplockLevel() {

        // Act
        int bytesWritten = write.writeBytesWireFormat(dst, 0);

        // Assert
        assertEquals(6, bytesWritten, "Should write 6 bytes (1 type + 2 length + 3 data)");
        assertEquals(0x01, dst[0], "Data block type");
        assertEquals(3, dst[1] & 0xFF, "Data length low byte");
        assertEquals(0, dst[2] & 0xFF, "Data length high byte");
        assertEquals(2, dst[3], "First data byte");

        void setup() throws GeneralSecurityException {
            digest = new Smb2SigningDigest(sessionKey, Smb2Constants.SMB2_DIALECT_0202, null);
            data = new byte[128];
            Arrays.fill(data, (byte) 0x00);

            // Set up mock messages
            request = mock(CommonServerMessageBlock.class);
            response = mock(CommonServerMessageBlock.class);
        }

        @Test

    assertEquals(4, Utf8.encodedLength(newString(MIN_HIGH_SURROGATE, MIN_LOW_SURROGATE)));
  }

  public void testEncodedLength_validStrings2() {
    HashMap<Integer, Integer> utf8Lengths = new HashMap<>();
    utf8Lengths.put(0x00, 1);
    utf8Lengths.put(0x7f, 1);
    utf8Lengths.put(0x80, 2);
    utf8Lengths.put(0x7ff, 2);
    utf8Lengths.put(0x800, 3);
    utf8Lengths.put(MIN_SUPPLEMENTARY_CODE_POINT - 1, 3);

    }
    
    public static class WitnessIPAddress {
        private final InetAddress address;
        private final int flags;
        
        public static final int IPV4 = 0x01;
        public static final int IPV6 = 0x02;
        
        public WitnessIPAddress(InetAddress address) {
            this.address = address;
            this.flags = address.getAddress().length == 4 ? IPV4 : IPV6;
        }

        this.domain = domain;
        this.serverTypes = serverTypes;
        this.name = "\\PIPE\\LANMAN";

        this.maxParameterCount = 8;
        this.maxDataCount = 16384;
        this.maxSetupCount = (byte) 0x00;
        this.setupCount = 0;
        this.timeout = 5000;
    }

    @Override
    public void reset(final int key, final String lastN) {
        super.reset();
        this.lastName = lastN;
    }