for (j = srcIndex + 14; src[j] == 0x20; j--) {
                ;
            }
            n = Strings.fromOEMBytes(src, srcIndex, j - srcIndex + 1, this.config);
            hexCode = src[srcIndex + 15] & 0xFF;
            groupName = ((src[srcIndex + 16] & 0x80) == 0x80) == true;
            ownerNodeType = (src[srcIndex + 16] & 0x60) >> 5;

        // total=4, unused=1, used=2, string="AB"
        byte[] data = new byte[] { 0x04, 0x00, 0x00, 0x00, // total
                0x01, 0x00, 0x00, 0x00, // unused
                0x02, 0x00, 0x00, 0x00, // used
                0x00, 0x00, // unused char
                0x41, 0x00, // 'A'
                0x42, 0x00 // 'B'
        };
        PacDataInputStream pdis = createInputStream(data);

        PrintStream ps = new PrintStream(baos);

        // Test with control characters and printable characters
        byte[] data = { 0x00, 0x01, 0x09, 0x0A, 0x0D, 0x1F, // Control characters
                0x20, 0x41, 0x42, 0x7E, // Printable characters
                (byte) 0x7F, (byte) 0x80, (byte) 0xFF // Extended/control
        };

        Hexdump.hexdump(ps, data, 0, data.length);
        String output = baos.toString();

    @Test
    @DisplayName("Multiple reads update offset correctly")
    void testMultipleReadsUpdateOffset() {
        byte[] buffer1 = new byte[] { 0x10, 0x00, 0x00, 0x00 }; // 16
        byte[] buffer2 = new byte[] { 0x20, 0x00, 0x00, 0x00 }; // 32

        response.readParameterWordsWireFormat(buffer1, 0);
        assertEquals(16L, response.getOffset(), "First read should set offset to 16");

            }
            for (; i < 15; i++) {
                dst[dstIndex + 2 * i + 1] = (byte) 0x43;
                dst[dstIndex + 2 * i + 2] = (byte) 0x41;
            }
            dst[dstIndex + TYPE_OFFSET] = (byte) (((hexCode & 0xF0) >> 4) + 0x41);
            dst[dstIndex + TYPE_OFFSET + 1] = (byte) ((hexCode & 0x0F) + 0x41);
        } catch (final UnsupportedEncodingException uee) {}

        // write 0x20 in first byte
        dst[dstIndex] = 0x20;

        final byte tmp[] = Strings.getOEMBytes(this.name, this.config);
        int i;
        for (i = 0; i < tmp.length; i++) {
            dst[dstIndex + 2 * i + 1] = (byte) (((tmp[i] & 0xF0) >> 4) + 0x41);
            dst[dstIndex + 2 * i + 2] = (byte) ((tmp[i] & 0x0F) + 0x41);
        }
        for (; i < 15; i++) {

        return Stream.of(Arguments.of(new byte[0], ""), Arguments.of(new byte[] { (byte) 0x41 }, "QQ=="), // "A"
                Arguments.of(new byte[] { (byte) 0x41, (byte) 0x42 }, "QUI="), // "AB"
                Arguments.of("Man".getBytes(), "TWFu"), // 3 bytes, no padding
                Arguments.of(new byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00 }, "AAAA"), // all zeros

     * represents is a printer.
     */
    public static final int TYPE_PRINTER = 0x20;
    /**
     * Returned by {@link #getType()} if the resource this {@code SmbFile}
     * represents is a communications device.
     */
    public static final int TYPE_COMM = 0x40;

    private String canon; // Initially null; set by getUncPath; dir must end with '/'
    private String share; // Can be null

        // Prepare encoded data for "TEST" with type 0x20
        byte[] src = new byte[100];
        src[0] = 0x20; // First byte

        // Encode "TEST" (0x54 0x45 0x53 0x54)
        // T=0x54: upper nibble 0x5->F(0x46), lower nibble 0x4->E(0x45)
        src[1] = 'F';
        src[2] = 'E'; // T
        // E=0x45: upper nibble 0x4->E(0x45), lower nibble 0x5->F(0x46)
        src[3] = 'E';
        src[4] = 'F'; // E

        void testCapacityCalculation() throws SMBProtocolDecodingException {
            byte[] buffer = new byte[24];
            buffer[4] = 0x04; // sectPerAlloc = 4
            buffer[8] = 0x00;
            buffer[9] = 0x20; // alloc = 8192
            buffer[16] = 0x00;
            buffer[17] = 0x04; // bytesPerSect = 1024

            smbInfoAllocation.decode(buffer, 0, buffer.length);