void testToString() {
        smb.command = ServerMessageBlock.SMB_COM_ECHO;
        smb.errorCode = 0;
        smb.mid = 1;
        String str = smb.toString();
        assertTrue(str.contains("command=SMB_COM_ECHO"));
        assertTrue(str.contains("errorCode=0"));
        assertTrue(str.contains("mid=1"));
    }

    @Test
    void testToStringUnknownCommand() {
        smb.command = (byte) 0xFF; // Unknown command

        write.setParam(0x1234, 100L, 50, new byte[10], 0, 10);

        String str = write.toString();
        assertNotNull(str);
        assertTrue(str.contains("SmbComWrite"), "Should contain class name");
        assertTrue(str.contains("fid="), "Should contain fid");
        assertTrue(str.contains("count="), "Should contain count");
        assertTrue(str.contains("offset="), "Should contain offset");
    }

    /**
     * Constructs a UnicodeString from a Java String.
     *
     * @param str
     *            wrapped string
     * @param zterm
     *            whether the string should be zero terminated
     */
    public UnicodeString(final String str, final boolean zterm) {
        this.zterm = zterm;

        final int len = str.length();
        final int zt = zterm ? 1 : 0;

     *
     * @see jcifs.SmbResourceLocator#getParent()
     */
    @Override
    public String getParent() {
        String str = this.url.getAuthority();

        if (str != null && !str.isEmpty()) {
            final StringBuilder sb = new StringBuilder("smb://");

            sb.append(str);

            final String urlpath = getURLPath();
            if (urlpath.length() > 1) {
                sb.append(urlpath);

        assertNotNull(querySecurityDesc);

        // Test toString contains the expected values to verify field initialization
        String str = querySecurityDesc.toString();
        assertTrue(str.contains("fid=0x" + Hexdump.toHexString(fid, 4)));
        assertTrue(str.contains("securityInformation=0x" + Hexdump.toHexString(securityInfo, 8)));
    }

    @Test

        byte[] buf = new byte[12];
        buf[0] = 0x00;
        buf[1] = 0x02; // count = 512 in little-endian
        resp.readParameterWordsWireFormat(buf, 0);
        String str = resp.toString();
        assertTrue(str.contains("count=512"), "toString should include numeric count");
    }

    @Test
    public void testReturnFromReadParameterWordsWireFormatIs8() {
        // ensure the method returns 8 as claimed

        // When
        String str = exception.toString();

        // Then
        assertNotNull(str);
        assertTrue(str.contains("SmbOperationException"));
        assertTrue(str.contains("ACCESS_DENIED"));
        assertTrue(str.contains("AUTHENTICATION"));
        assertTrue(str.contains("retryable=false"));
        assertTrue(str.contains("attempt=1"));

        HandleInfo info = new HandleInfo("/test/file.txt", testGuid, testFileId, HandleType.PERSISTENT, 0, testLeaseKey);

        String str = info.toString();
        assertTrue(str.contains("/test/file.txt"));
        assertTrue(str.contains("PERSISTENT"));
        assertTrue(str.contains(testGuid.toString()));
    }

    }

    String readString(final byte[] src, final int srcIndex, int len) {
        String str = null;
        try {
            if (useUnicode) {
                // should Unicode alignment be corrected for here?
                str = new String(src, srcIndex, len, UNI_ENCODING);
            } else {

                /* On NT without Unicode the fileNameLength

        String str = cmd.toString();
        // toString uses Hexdump.toHexString(informationLevel, 3)
        assertTrue(str.contains(Hexdump.toHexString(level, 3)), "toString should contain hex level");
        assertTrue(str.contains("Trans2QueryFSInformation["), "should start with class name");
        assertTrue(str.contains(",informationLevel=0x"), "should contain level field marker");
    }