assertTrue(bytesWritten > 0);

        // Verify data is written at correct offset
        assertEquals(3, dst[startOffset]);

        // Verify total parameter count at correct offset
        assertEquals(500, SMBUtil.readInt4(dst, startOffset + 3));

        // Verify total data count at correct offset
        assertEquals(1000, SMBUtil.readInt4(dst, startOffset + 7));
    }

    @Test

    @Test
    @DisplayName("Should create correct response")
    void testCreateResponse() {
        // When
        Smb2ChangeNotifyResponse response = request.createResponse(mockContext, request);

        // Then
        assertNotNull(response);
        assertTrue(response instanceof Smb2ChangeNotifyResponse);
    }

    @Test
    @DisplayName("Should calculate correct size")
    void testSize() {
        // When

        int errorCode = 0x00000005; // DCERPC_FAULT_ACCESS_DENIED
        DcerpcException exception = new DcerpcException(errorCode);
        assertEquals(errorCode, exception.getErrorCode(), "getErrorCode() should return the correct error code.");
    }

    /**
     * Test getRootCause() method (deprecated).
     */
    @Test
    void testGetRootCause() {
        Throwable cause = new IllegalArgumentException("Invalid argument.");

        request = new Smb2SessionSetupRequest(mockContext, TEST_SECURITY_MODE, TEST_CAPABILITIES, TEST_PREVIOUS_SESSION_ID, TEST_TOKEN);
    }

    @Test
    @DisplayName("Should create request with correct parameters")
    void testConstructorSetsCorrectParameters() throws Exception {
        // Given & When
        int securityMode = 0x03;
        int capabilities = 0x0F;
        long previousSessionId = 0xFEDCBA9876543210L;

        assertEquals(0, share1.type, "Share 1 raw type should be 0.");
        assertEquals("Remark 1", share1.remark.trim(), "Share 1 remark should be correct.");

        SmbShareInfo share2 = (SmbShareInfo) response.results[1];
        assertEquals("IPC$", share2.getName().trim(), "Share 2 name should be correct.");

            assertEquals(HEADER_SIZE + CHUNK_SIZE, bytesWritten);

            // Verify source key at correct position
            for (int i = 0; i < SOURCE_KEY_SIZE; i++) {
                assertEquals(sourceKey[i], largeBuffer[position + i]);
            }

            // Verify chunk count at correct position
            assertEquals(1, SMBUtil.readInt4(largeBuffer, position + SOURCE_KEY_SIZE));
        }

    }

    /**
     * Test getInitialSize() returns the correct size.
     */
    @Test
    void testGetInitialSize() {
        long expectedSize = 1024L;
        when(smbFileHandle.getInitialSize()).thenReturn(expectedSize);
        long actualSize = smbFileHandle.getInitialSize();
        assertEquals(expectedSize, actualSize, "getInitialSize should return the correct initial file size.");

            assertEquals(CLOCK_SEQ_HI_AND_RESERVED, uuid.clock_seq_hi_and_reserved, "clock_seq_hi_and_reserved should be parsed correctly");
            assertEquals(CLOCK_SEQ_LOW, uuid.clock_seq_low, "clock_seq_low should be parsed correctly");
            assertArrayEquals(NODE, uuid.node, "node array should be parsed correctly");
        }

        @Test

        // Verify the exception message
        assertEquals("Non-empty string", exception.getMessage(), "The exception message is not correct.");
    }

    /**
     * Tests the {@link PacUnicodeString#check(String)} method with a string of incorrect length.
     */
    @Test
    void testCheck_withInvalidLength_throwsException() {
        // Length is 10 bytes, so expected string length is 5 characters

        String result = purgeDocJob.execute();

        // Assert deleteByQuery was called
        assertTrue(deleteByQueryCalled);

        // Assert correct index was used
        assertEquals("fess.update", deleteIndex);

        // Assert query builder is correct
        assertNotNull(deleteQuery);
        assertTrue(deleteQuery instanceof RangeQueryBuilder);