byte[] allZeros = new byte[16];
        byte[] allOnes = new byte[16];
        Arrays.fill(allOnes, (byte) 0xFF);
        byte[] alternating = new byte[16];
        for (int i = 0; i < alternating.length; i++) {
            alternating[i] = (byte) (i % 2 == 0 ? 0xAA : 0x55);
        }

        RequestWithFileId request = new Smb2CloseRequest(mockConfig, emptyFileId);

        }

        @Test
        @DisplayName("Should handle special offset patterns")
        void testSpecialOffsetPatterns() {
            // Given - alternating bit pattern
            long pattern1 = 0xAAAAAAAAAAAAAAAAL;
            long pattern2 = 0x5555555555555555L;
            int pattern3 = 0xDEADBEEF;

        Arrays.fill(onesFileId, (byte) 0xFF);
        Smb2FlushRequest onesRequest = new Smb2FlushRequest(mockConfig, onesFileId);
        testFileIdInRequest(onesRequest, onesFileId);

        // Test with alternating pattern
        byte[] alternatingFileId = new byte[16];
        for (int i = 0; i < 16; i++) {
            alternatingFileId[i] = (byte) (i % 2 == 0 ? 0xAA : 0x55);
        }

        Arrays.fill(onesFileId, (byte) 0xFF);
        Smb2CloseRequest onesRequest = new Smb2CloseRequest(mockConfig, onesFileId, testFileName);
        testFileIdInRequest(onesRequest, onesFileId);

        // Test with alternating pattern
        byte[] alternatingFileId = new byte[16];
        for (int i = 0; i < 16; i++) {
            alternatingFileId[i] = (byte) (i % 2 == 0 ? 0xAA : 0x55);
        }

            assertEquals(Integer.MAX_VALUE, SMBUtil.readInt4(buffer, chunkStart + 16));
        }

        @Test
        @DisplayName("Should handle alternating bit pattern in source key")
        void testSourceKeyAlternatingPattern() {
            // Given
            byte[] patternKey = new byte[SOURCE_KEY_SIZE];
            for (int i = 0; i < SOURCE_KEY_SIZE; i++) {

                        buf.append(bodyPart.getContent().toString()).append(' ');
                    } else if (bodyPart.isMimeType("multipart/alternative") && bodyPart.getContent() instanceof Multipart) {
                        final Multipart alternativePart = (Multipart) bodyPart.getContent();
                        for (int j = 0; j < alternativePart.getCount(); j++) {

     * @return the embedded file, or null if not found
     */
    protected PDEmbeddedFile getEmbeddedFile(final PDComplexFileSpecification fileSpec) {
        // search for the first available alternative of the embedded file
        PDEmbeddedFile embeddedFile = null;
        if (fileSpec != null) {
            embeddedFile = fileSpec.getEmbeddedFileUnicode();
            if (embeddedFile == null) {

            try {
                ChannelInfo alternativeChannel = manager.getLoadBalancer().selectChannel(op);
                alternativeChannel.addPendingOperation(op);
                // Operation would be resent on alternative channel
                // For now, skip actual send implementation
            } catch (Exception e) {
                log.error("Failed to redistribute operation", e);

        }

        value = props.getProperty("jcifs.native.os");
        if (value != null) {
            this.nativeOs = value;
        }

        // Also support the alternative property name used in tests
        value = props.getProperty("jcifs.smb.client.nativeOs");
        if (value != null) {
            this.nativeOs = value;
        }

             * because we might close the socket during a
             * request. However the chances are slim and the
             * retry code should ensure the overall request
             * is serviced. The alternative complicates things
             * more than I think is worth it.
             */

            if (socket != null) {
                socket.close();
                socket = null;
            }