smb.useUnicode = false;
        byte[] buffer = new byte[6];
        System.arraycopy("short".getBytes(), 0, buffer, 0, 5);
        buffer[5] = 0; // Null terminator
        String result = smb.readString(buffer, 0, 5, false);
        assertEquals("short", result);
    }

    @Test
    void testReadStringWithMaxLengthExceeded() {
        smb.useUnicode = false;

                this.useUnicode = true;
            } else {
                this.useUnicode = false;
                this.negotiatedFlags2 &= 0xFFFF ^ SmbConstants.FLAGS2_UNICODE;
            }
        } else {
            this.useUnicode = ctx.getConfig().isUseUnicode();
        }

        if (this.useUnicode) {
            log.debug("Unicode is enabled");
        } else {

    public void testBatchLimitForDifferentCommands() throws CIFSException {
        Properties props = new Properties();
        props.setProperty("jcifs.smb.client.useBatching", "true");
        props.setProperty("jcifs.smb.client.useUnicode", "true");

        PropertyConfiguration config = new PropertyConfiguration(props);

        // Test various command batch limits
        int readAndXClose = config.getBatchLimit("ReadAndX.Close");

     * Test writeBytesWireFormat method with Unicode.
     */
    @Test
    void testWriteBytesWireFormat_Unicode() {
        smbComOpenAndX = new SmbComOpenAndX(fileName, access, 0, andx);
        smbComOpenAndX.useUnicode = true;
        // For Unicode: 1 byte (initial null in writeBytesWireFormat)
        // + potential 1 byte alignment (in writeString) + fileName.length() * 2 + 2 bytes (terminating nulls)

    int writeString(final String str, final byte[] dst, final int dstIndex) {
        return writeString(str, dst, dstIndex, useUnicode);
    }

    int writeString(final String str, final byte[] dst, int dstIndex, final boolean useUnicode) {
        final int start = dstIndex;

        try {
            if (useUnicode) {
                // Unicode requires word alignment
                if ((dstIndex - headerStart) % 2 != 0) {

        nativeLanMan = readString(buffer, bufferIndex, start + byteCount, 255, useUnicode);
        bufferIndex += stringWireLength(nativeLanMan, bufferIndex);
        if (!extendedSecurity) {
            primaryDomain = readString(buffer, bufferIndex, start + byteCount, 255, useUnicode);
            bufferIndex += stringWireLength(primaryDomain, bufferIndex);
        }

        return bufferIndex - start;

        response.useUnicode = true;
        String expected = "test";
        byte[] src = expected.getBytes("UTF-16LE");
        String result = response.readString(src, 0, src.length);
        assertEquals(expected, result);
    }

    @Test
    void testReadString_Oem() {
        response.useUnicode = false;
        String expected = "test";

                    }
                } else if (DISABLE_PLAIN_TEXT_PASSWORDS) {
                    throw new RuntimeException("Plain text passwords are disabled");
                } else if (useUnicode) {
                    // plain text
                    final String password = auth.getPassword();
                    lmHash = new byte[0];
                    ntHash = new byte[(password.length() + 1) * 2];

        assertTrue(next.writeParamCalls > 0, "chained SMB parameter words should be written");
        assertTrue(next.writeBytesCalls > 0, "chained SMB bytes should be written");
    }

    @Test
    @DisplayName("decode basic AndX block with no chaining")
    void testDecodeBasicNoAndx() {
        DummyAndXBlock block = new DummyAndXBlock() {

        dst[start + ANDX_RESERVED_OFFSET] = (byte) 0x00;
        andxOffset = dstIndex - headerStart;
        writeInt2(andxOffset, dst, start + ANDX_OFFSET_OFFSET);

        andx.useUnicode = useUnicode;
        if (andx instanceof AndXServerMessageBlock) {

            /*
             * A word about communicating header info to andx smbs
             *