assertTrue(n > 0);
        // Common AndX header: command at +1, reserved at +2, offset at +3/+4
        assertEquals((byte) 0xFF, buf[1], "AndX command should be 0xFF when no chaining");
        assertEquals((byte) 0x00, buf[2], "Reserved byte must be 0");
        assertEquals((byte) 0xDE, buf[3], "Sentinel low offset when no chaining");
        assertEquals((byte) 0xDE, buf[4], "Sentinel high offset when no chaining");

    static final int FILE_SYNCHRONOUS_IO_ALERT = 0x00000010;
    static final int FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020;

    // security flags
    static final int SECURITY_CONTEXT_TRACKING = 0x01;
    static final int SECURITY_EFFECTIVE_ONLY = 0x02;

    private int rootDirectoryFid;

    private final int extFileAttributes;

    private final int shareAccess;

    private int createDisposition;

            assertEquals((short) 0x8000, uuid.time_hi_and_version);
            assertEquals((byte) 0x80, uuid.clock_seq_hi_and_reserved);
            assertEquals((byte) 0x80, uuid.clock_seq_low);
            assertArrayEquals(new byte[] { (byte) 0x80, (byte) 0x80, (byte) 0x80, (byte) 0x80, (byte) 0x80, (byte) 0x80 }, uuid.node);
        }
    }

                    return null;
                }
                return (long) Encdec.dec_uint64le(this.sbuf, 28);
            }

            if (this.sbuf[0] == (byte) 0x00 && this.sbuf[1] == (byte) 0x00 && this.sbuf[4] == (byte) 0xFF && this.sbuf[5] == (byte) 'S'
                    && this.sbuf[6] == (byte) 'M' && this.sbuf[7] == (byte) 'B') {
                break; /* all good (SMB) */
            }

    }

    @Override
    public final boolean readBoolean() throws SmbException {
        if (read(tmp, 0, 1) < 0) {
            throw new SmbException("EOF");
        }
        return tmp[0] != (byte) 0x00;
    }

    @Override
    public final byte readByte() throws SmbException {
        if (read(tmp, 0, 1) < 0) {
            throw new SmbException("EOF");
        }
        return tmp[0];
    }

        void testGlobalCapPersistentHandles() {
            assertEquals(0x10, Smb2Constants.SMB2_GLOBAL_CAP_PERSISTENT_HANDLES, "Persistent handles capability must be 0x10");
        }

        @Test
        @DisplayName("Directory leasing capability should be 0x20")
        void testGlobalCapDirectoryLeasing() {

    }

    @Test
    @DisplayName("Test setCommand with various SMB command codes")
    void testSetCommandWithVariousCodes() {
        // Test common SMB command codes
        int[] commandCodes = { 0x00, 0x72, 0x73, 0x74, 0x75, 0xFF };

        for (int command : commandCodes) {
            doNothing().when(messageBlock).setCommand(command);
            when(messageBlock.getCommand()).thenReturn(command);

    class ToStringTests {

        @ParameterizedTest
        @DisplayName("Should format command name correctly")
        @ValueSource(shorts = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11,
                0x12 })
        void testToStringCommandNames(short command) {
            testMessage.setCommand(command);

        assertArrayEquals(maxFileId, copiedFileId);

        // Test with file ID having minimum byte values
        byte[] minFileId = new byte[16];
        Arrays.fill(minFileId, (byte) 0x00);
        Smb2FlushRequest minRequest = new Smb2FlushRequest(mockConfig, minFileId);

        written = minRequest.writeBytesWireFormat(buffer, 0);

        assertEquals(24, written);

        void testReadBytesWireFormatSignedByteValue() {
            // Given
            byte[] buffer = new byte[10];
            // Write 4 in little-endian format
            buffer[0] = 0x04;
            buffer[1] = 0x00;

            // When & Then
            assertDoesNotThrow(() -> {
                int bytesRead = response.readBytesWireFormat(buffer, 0);
                assertEquals(4, bytesRead);