});
    }

    @Test
    void testReadLength_OutOfBounds() {
        // Length out of bounds
        InputStream s = new ByteArrayInputStream(new byte[] { (byte) 0x81, (byte) 0xFF }); // length 255
        assertThrows(IOException.class, () -> {
            ASN1Util.readLength(s, 200, false); // limit 200
        });
    }

        assertTrue(str.contains("errorCode=0"));
        assertTrue(str.contains("mid=1"));
    }

    @Test
    void testToStringUnknownCommand() {
        smb.command = (byte) 0xFF; // Unknown command
        smb.errorCode = 0;
        smb.mid = 1;
        String str = smb.toString();
        assertTrue(str.contains("command=UNKNOWN"));
    }

    @Test
    @DisplayName("Decode unknown AvPair type as generic AvPair")
    void testDecodeUnknownType() throws CIFSException {
        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04 };
        int unknownType = 0xFF;
        byte[] avPairData = createAvPairData(unknownType, data);
        byte[] eolData = createEolData();

        byte[] fullData = new byte[avPairData.length + eolData.length];

            e.fileNameLength = readInt4(buffer, bufferIndex + 60);
            //      e.eaSize = readInt4( buffer, bufferIndex + 64 );
            //      e.shortNameLength = buffer[bufferIndex + 68] & 0xFF;

            /* With NT, the shortName is in Unicode regardless of what is negotiated.
             */

            //      e.shortName = readString( buffer, bufferIndex + 70, e.shortNameLength );

        SMBUtil.writeTime(time, buffer, bufferIndex);
        bufferIndex += 8;
        // serverTimeZone
        buffer[bufferIndex++] = (byte) 0x80;
        buffer[bufferIndex++] = (byte) 0xFF;
        // encryptionKeyLength
        buffer[bufferIndex++] = 8;

        int bytesRead = response.readParameterWordsWireFormat(buffer, 0);
        assertEquals(34, bytesRead);

        @DisplayName("Should not modify destination buffer")
        void testWriteBytesWireFormatDoesNotModifyBuffer() {
            // Given
            byte[] dst = new byte[100];
            Arrays.fill(dst, (byte) 0xFF);
            byte[] originalDst = dst.clone();

            // When
            response.writeBytesWireFormat(dst, 0);

            // Then
            assertArrayEquals(originalDst, dst);
        }

        byte[] hash = transport.getPreauthIntegrityHash();
        assertNotNull(hash);

        // Modify returned hash
        if (hash.length > 0) {
            hash[0] = (byte) 0xFF;
        }

        // Get hash again - should be unmodified
        byte[] hash2 = transport.getPreauthIntegrityHash();
        assertNotNull(hash2);

        // If original has data, verify it wasn't modified

        StringBuilder sb = new StringBuilder("WITNESS-");
        for (int i = 0; i < Math.min(contextHandle.length, 8); i++) {
            sb.append(String.format("%02X", contextHandle[i] & 0xFF));
        }
        sb.append("-").append(shareName.hashCode());

        return sb.toString();
    }

    /**
     * Checks if the client is connected to the witness service.
     *

     */
    private int countUniqueBytes(byte[] data) {
        boolean[] seen = new boolean[256];
        int count = 0;

        for (byte b : data) {
            int index = b & 0xFF;
            if (!seen[index]) {
                seen[index] = true;
                count++;
            }
        }

        return count;
    }

    @Test
    @DisplayName("Test decode operation")
    void testDecode() {
        byte[] buffer = new byte[1024];
        // Fill with basic SMB header structure
        System.arraycopy(new byte[] { (byte) 0xFF, 'S', 'M', 'B' }, 0, buffer, 0, 4);
        buffer[4] = 1; // wordCount
        buffer[7] = 0; // byteCount low
        buffer[8] = 0; // byteCount high

        assertDoesNotThrow(() -> response.decode(buffer, 0));