}

        @Test
        @DisplayName("Should format unknown command")
        void testToStringUnknownCommand() {
            testMessage.setCommand(0xFF);
            String result = testMessage.toString();

            assertTrue(result.contains("command=UNKNOWN"));
        }

        @Test
        @DisplayName("Should include all fields in toString")

        request = new Smb2SetInfoRequest(mockConfig);

        // Set all fields
        byte[] newFileId = new byte[16];
        for (int i = 0; i < 16; i++) {
            newFileId[i] = (byte) (0xFF - i);
        }
        request.setFileId(newFileId);
        request.setInfoType((byte) 0x02);
        request.setFileInfoClass((byte) 0x08);
        request.setAdditionalInformation(0xABCDEF00);

            SMBUtil.writeInt2(4, buffer, bufferIndex);

            // Fill rest of buffer with garbage
            for (int i = 2; i < buffer.length; i++) {
                buffer[i] = (byte) 0xFF;
            }

            // Should only read the structure size (2 bytes) and not go beyond
            int result = echoResponse.readBytesWireFormat(buffer, bufferIndex);
            assertEquals(0, result);

    public void validateSmbHeader(int protocolId, int structureSize, int command) throws SmbException {
        totalValidations.incrementAndGet();

        // Check SMB1 signature
        if (protocolId == 0x424D53FF) { // 0xFF 'S' 'M' 'B'
            // SMB1
            if (structureSize < 32 || structureSize > 65535) {
                failedValidations.incrementAndGet();

                break;
            case ServerMessageBlock.SMB_COM_TRANSACTION:
            case ServerMessageBlock.SMB_COM_TRANSACTION2:
                switch (((SmbComTransaction) request).getSubCommand() & 0xFF) {
                case SmbComTransaction.NET_SHARE_ENUM:
                case SmbComTransaction.NET_SERVER_ENUM2:
                case SmbComTransaction.NET_SERVER_ENUM3:

        // Given
        smbComTreeDisconnect = new SmbComTreeDisconnect(config);

        // When
        int command = smbComTreeDisconnect.getCommand();

        // Then
        assertEquals(0x71, command & 0xFF);
        assertEquals(ServerMessageBlock.SMB_COM_TREE_DISCONNECT, (byte) command);
    }

    /**
     * Nested class for testing buffer operations
     */
    @Nested

		mode |= fs.ModeDir
	}
	return mode
}

// SetMode changes the permission and mode bits for the [FileHeader].
func (h *FileHeader) SetMode(mode fs.FileMode) {
	h.CreatorVersion = h.CreatorVersion&0xff | creatorUnix<<8
	h.ExternalAttrs = fileModeToUnixMode(mode) << 16

	// set MSDOS attributes too, as the original zip does.
	if mode&fs.ModeDir != 0 {
		h.ExternalAttrs |= msdosDir
	}
	if mode&0200 == 0 {

    void testInitDefaultsWithPresetMachineId() throws Exception {
        BaseConfiguration testConfig = new BaseConfiguration(false);
        byte[] customMachineId = new byte[32];
        Arrays.fill(customMachineId, (byte) 0xFF);

        // Use reflection to set private field
        java.lang.reflect.Field machineIdField = BaseConfiguration.class.getDeclaredField("machineId");
        machineIdField.setAccessible(true);

    public int read() throws IOException {
        // need oplocks to cache otherwise use BufferedInputStream
        if (read(this.tmp, 0, 1) == -1) {
            return -1;
        }
        return this.tmp[0] & 0xFF;
    }

    /**
     * Reads up to b.length bytes of data from this input stream into an array of bytes.
     *
     * @throws IOException
     *             if a network error occurs
     */

                             * because it specifies addr
                             */
            request.addr = addr; /* if addr ends with 255 flag it bcast */
            request.isBroadcast = addr.getAddress()[3] == (byte) 0xFF;

            n = RETRY_COUNT;
            do {
                try {
                    send(request, response, RETRY_TIMEOUT);
                } catch (final IOException ioe) {