public void setUp() throws IOException {
        MockitoAnnotations.openMocks(this);

        // Create temporary directory for test state
        tempDir = Files.createTempDirectory("jcifs-test-handles");

        // Set system property for handle state directory
        System.setProperty("jcifs.smb.client.handleStateDirectory", tempDir.toString());

        when(mockContext.getConfig()).thenReturn(mockConfig);

            return baseQuery;
        }
        return baseQuery + " sort:" + sortField;
    }

    /**
     * Appends a query string to the query buffer with proper formatting.
     * Handles OR operators and wraps complex queries in parentheses when necessary.
     *
     * @param queryBuf the StringBuilder to append to
     * @param query the query string to append
     */

 * backing store (e.g. file system, database, memory).
 * <p>
 * This is mainly used to parse files into objects such as Maven projects,
 * models, settings, or toolchains. The source implementation handles
 * all the details of accessing the underlying content while providing
 * a uniform API to consumers.
 * <p>
 * Sources can represent:
 * <ul>
 *   <li>Local filesystem files</li>
 *   <li>In-memory content</li>

        // Test error classification using public API
        assertNotNull(errorHandler, "Error handler should handle network errors");

        // Test fallback logic which is public
        assertTrue(errorHandler.shouldFallbackToTcp(hardwareError), "Hardware errors should suggest TCP fallback");

        // Full lease for read/write/handle operations
        if (hasWriteAccess || hasDeleteAccess) {
            return Smb2LeaseState.SMB2_LEASE_FULL; // Read + Write + Handle
        }
        // Read + Handle for read operations
        else if (hasReadAccess) {
            return Smb2LeaseState.SMB2_LEASE_READ_HANDLE; // Read + Handle
        }

        // Default constructor
    }

    /** Behavior handler for ElevateWordToLabel entity operations */
    @Resource
    protected ElevateWordToLabelBhv elevateWordToLabelBhv;

    /** Behavior handler for ElevateWord entity operations */
    @Resource
    protected ElevateWordBhv elevateWordBhv;

    /** Behavior handler for LabelType entity operations */
    @Resource

        // Override connectHost to avoid actual network connection on retry
        doAnswer(invocation -> {
            SmbTreeHandleImpl handle = mock(SmbTreeHandleImpl.class);
            // Re-set the same tree to continue using our mock
            setTree(c, tree);
            return handle;
        }).when(c).connectHost(any(), anyString());

        // Execute send - should retry after transport error
        try {

    }

    @Test
    @DisplayName("run method handles null URL gracefully")
    void testRunWithNullUrl() {
        TestLocking t = new TestLocking();
        t.url = null; // Null URL
        t.numIter = 0; // No iterations to avoid NPE

        // Should not throw exception
        assertDoesNotThrow(() -> t.run(), "run() should handle null URL gracefully");

        assertTrue(exceptions.isEmpty(), "No exceptions should occur");
        assertEquals(threadCount * opsPerThread, successCount.get(), "All operations should succeed");
    }

    /**
     * Test that buffer cache handles allocation when cache is full.
     */
    @Test
    public void testBufferAllocationWhenCacheFull() {
        // Given - Allocate many buffers to potentially fill the cache

        when(mockCifsContext.getCredentials()).thenReturn(mockCredentials);

        // Create URL handler
        Handler urlHandler = new jcifs.smb.Handler(mockCifsContext);
        when(mockCifsContext.getUrlHandler()).thenReturn(urlHandler);

        // Use the URL handler to create the URL
        url = new URL(null, "smb://localhost/share/file.txt", urlHandler);