assertEquals(1, config.getChannelBindingPolicy());
    }

    @Test
    void testEdgeCaseValues() throws CIFSException {
        Properties props = new Properties();

        // Test zero and negative values
        props.setProperty("jcifs.smb.client.maxChannels", "0");
        PropertyConfiguration config = new PropertyConfiguration(props);

        assertNotNull(configWithDefaults.getNativeOs());
        assertTrue(configWithDefaults.getFlags2() != 0, "Flags2 should be non-zero");
        assertTrue(configWithDefaults.getCapabilities() != 0, "Capabilities should be non-zero");
        assertNotNull(configWithDefaults.getBroadcastAddress());
        assertNotNull(configWithDefaults.getResolveOrder());

        assertThrows(Exception.class, () -> new Pac(pacData, keys));
    }

    @Test
    void testZeroBufferCount() throws IOException {
        // Test PAC with zero buffers (missing required buffers)
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        writeLittleEndianInt(baos, 0); // bufferCount = 0

    @Test
    @DisplayName("Test readDataWireFormat with error code returns 4")
    void testReadDataWireFormatWithErrorCode() throws Exception {
        byte[] buffer = new byte[100];

        // Set error code to non-zero
        setErrorCode(response, 1);

        int result = response.readDataWireFormat(buffer, 0, buffer.length);

        assertEquals(4, result);
        assertNull(response.getSecurityDescriptor());
    }

        int offset = 0;

        setHeaderStart(response, 64);

        // Write structure with zero length
        SMBUtil.writeInt2(9, buffer, offset);
        SMBUtil.writeInt2(80 - 64, buffer, offset + 2);
        SMBUtil.writeInt4(0, buffer, offset + 4); // Zero length

        // When
        int bytesRead = response.readBytesWireFormat(buffer, offset);

        // Then

     */
    public boolean isEmpty() {
        return this.sub_authority_count == 0;
    }

    /**
     * Checks whether the SID is blank (all sub-authorities zero).
     *
     * @return whether the SID is blank (all sub-authorities zero)
     */
    public boolean isBlank() {
        boolean blank = true;
        for (final int sub : this.sub_authority) {
            blank = blank && sub == 0;
        }

        } else {
            SMBUtil.writeInt2(0, dst, dstIndex);
            SMBUtil.writeInt2(0, dst, dstIndex + 2);
            dstIndex += 4;
        }

        // one byte in buffer must be zero
        dst[dstIndex] = 0;
        dstIndex += 1;

        // Write SMB2_RDMA_TRANSFORM if using RDMA channel
        if (rdmaChannelInfo != null && channel == Smb2Constants.SMB2_CHANNEL_RDMA_V1) {

    void testHasMoreElements() {
        // Test initial state
        assertTrue(response.hasMoreElements());

        // Test after setting error code (not status)
        response.setTestErrorCode(1); // Non-zero errorCode indicates error
        assertFalse(response.hasMoreElements());

        // Reset error and test hasMore flag
        response.setTestErrorCode(0);
        response.hasMore = false;

    }

    @Test
    @DisplayName("run method handles zero iterations")
    void testRunWithZeroIterations() {
        TestLocking t = new TestLocking();
        t.url = "smb://test/file.txt";
        t.numIter = 0; // Zero iterations

        // Should complete immediately
        t.run();

        assertEquals(0, response.getData().length);
        // The decode method returns only the header size (16 bytes)\n        assertEquals(16, bytesDecoded);
    }

    @Test
    @DisplayName("Test decode with non-zero buffer index")
    void testDecodeWithNonZeroBufferIndex() throws SMBProtocolDecodingException {
        // Prepare test data with offset
        int offset = 10;