// Little-endian 0x1234 -> 0x34 0x12
        byte[] data = new byte[] { 0x34, 0x12, 0x00, 0x00 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals((short) 0x1234, pdis.readShort());
    }

    @Test
    public void testReadInt() throws IOException {
        // Little-endian 0x12345678 -> 0x78 0x56 0x34 0x12
        byte[] data = new byte[] { 0x78, 0x56, 0x34, 0x12 };

        assertArrayEquals(expected, actualWritten, "wire format should match expectation");
    }

    static Stream<Arguments> validParams() {
        // fid 0x1234, lastWriteTime 0 -> UTime all 0xFF
        return Stream.of(Arguments.of(0x1234, 0L, new byte[] { 0x34, 0x12, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }),
                // negative fid wraps around, lastWriteTime = 1000 -> 1 second -> int value 1

        write.setParam(0x1234, 0x5678L, 100, new byte[10], 0, 10);
        byte[] dst = new byte[20];

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

        // Assert
        assertEquals(10, bytesWritten, "Should write 10 bytes");
        // Check FID (little-endian)
        assertEquals(0x34, dst[0] & 0xFF);
        assertEquals(0x12, dst[1] & 0xFF);
        // Check count

    void testWriteParametersWireFormat() {
        int level = 0x1234;
        Trans2QueryFSInformation cmd = new Trans2QueryFSInformation(level);
        byte[] buf = newBuffer(10);

        int written = cmd.writeParametersWireFormat(buf, 0);
        assertEquals(2, written, "writeParametersWireFormat should write exactly 2 bytes");

        // Verify little-endian encoding (0x1234 -> 0x34 0x12)

        assertEquals(dst.length, n);

        // resumeKey (LE) at offset 6..9 should be 0x11121314 -> 14 13 12 11
        assertEquals((byte) 0x14, dst[6]);
        assertEquals((byte) 0x13, dst[7]);
        assertEquals((byte) 0x12, dst[8]);
        assertEquals((byte) 0x11, dst[9]);

        // filename content
        byte[] nameBytes = updatedName.getBytes();

        // Test different sizes
        assertEquals("00", Hexdump.toHexString(0, 2));
        assertEquals("FF", Hexdump.toHexString(255, 2));
        assertEquals("1234", Hexdump.toHexString(0x1234, 4));
    }

    @Test
    @DisplayName("Should convert long to hex string with padding")
    void testLongToHexString() {
        // Test various long values

        // Given
        short value = 0x1234;
        byte[] buffer = new byte[2];

        // When - encode little endian
        Encdec.enc_uint16le(value, buffer, 0);
        short decoded = (short) Encdec.dec_uint16le(buffer, 0);

        // Then
        assertEquals(value, decoded);
        assertEquals(0x34, buffer[0] & 0xFF);
        assertEquals(0x12, buffer[1] & 0xFF);
    }

    @Test

    }

    @Test
    public void testReadParameterWordsUpdatesCount() {
        // create a buffer with count = 0x1234 (4660 decimal)
        // Using little-endian byte order as per SMBUtil.readInt2
        byte[] buf = new byte[12];
        buf[0] = 0x34; // Low byte
        buf[1] = 0x12; // High byte
        int written = resp.readParameterWordsWireFormat(buf, 0);

        Configuration cfg = mock(Configuration.class);
        SmbComLockingAndX cmd = new SmbComLockingAndX(cfg);
        // set fields via reflection
        setField(cmd, "fid", 0x1234);
        setField(cmd, "typeOfLock", (byte) 0x05);
        setField(cmd, "newOpLockLevel", (byte) 0x01);
        setField(cmd, "timeout", 3000L);
        // arrays of one lock and one unlock range

        byte[] buffer = new byte[34];
        long create = 1600000000000L;
        long lastAccess = 1600000100000L;
        long lastWrite = 1600000200000L;
        long change = 1600000300000L;
        int attributes = 0x1234;
        // Convert Unix time to Windows FILETIME (100-nanosecond intervals since 1601)
        long MILLISECONDS_BETWEEN_1970_AND_1601 = 11644473600000L;