}

    @Test
    @DisplayName("close(): clears cache and closes handle; does not close shared SmbFile")
    void close_sharedFile_closesHandle_only() throws Exception {
        SmbRandomAccessFile raf = newInstance("rw", false, true, false);
        SmbFile file = (SmbFile) getField(raf, "file");
        SmbFileHandleImpl handle = (SmbFileHandleImpl) getField(raf, "handle");

        // Act
        raf.close();

            assertEquals(expectedFlags, flags);
        }

        @Test
        @DisplayName("getDefaultFlags should handle Type1Message with request target")
        void testGetDefaultFlags_CIFSContext_Type1Message_Unicode_RequestTarget_DomainPresent() {
            // Given
            CIFSContext mockContext = createMockContext();

// When clients request content hosted on a particular source domain and that content make requests
// directed towards a domain other than its own, the remote domain needs to host a cross-domain
// policy file that grants access to the source domain, allowing the client to continue the transaction.
func setCrossDomainPolicyMiddleware(h http.Handler) http.Handler {

            assertThrows(NullPointerException.class, () -> {
                buffer.size();
            });
        }

        @ParameterizedTest
        @DisplayName("Should handle various referral levels")
        @ValueSource(ints = { 0, 1, 2, 3, 4, 5, 255, 256, 32767, 65535 })
        void testConstructorWithVariousReferralLevels(int maxReferralLevel) {
            String path = "\\\\test";

                log.warn("File handle was not properly closed, performing emergency cleanup: " + this);
                if (this.creationBacktrace != null) {
                    log.warn(Arrays.toString(this.creationBacktrace));
                }
                emergencyCloseHandle();
            }
        } catch (Exception e) {
            log.error("Error during file handle finalization", e);
        } finally {

    opt raise
        dep -->> handler: Raise HTTPException
        handler -->> client: HTTP error response
        dep -->> dep: Raise other exception
    end
    dep ->> operation: Run dependency, e.g. DB session
    opt raise
        operation -->> dep: Raise HTTPException
        dep -->> handler: Auto forward exception
        handler -->> client: HTTP error response

        // Then
        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
    }

    @Test
    @DisplayName("Should handle null message gracefully")
    void testNullMessage() {
        // When/Then
        assertDoesNotThrow(() -> {
            RuntimeCIFSException exception = new RuntimeCIFSException((String) null);

            assertEquals(encoded, decoded);
            assertArrayEquals(originalCiphers, decodedContext.getCiphers());
        }

        @Test
        @DisplayName("Should handle round-trip at non-zero offset")
        void testRoundTripWithOffset() throws SMBProtocolDecodingException {
            int offset = 100;

        assertEquals(0xDE, buffer[1] & 0xFF);
        assertEquals(0xBC, buffer[2] & 0xFF);
        assertEquals(0x9A, buffer[3] & 0xFF);
    }

    @Test
    @DisplayName("Should handle big endian encoding/decoding")
    void testBigEndianOperations() {
        // Given
        int value = 0x12345678;
        byte[] buffer = new byte[4];

        // When - encode big endian

        @NullAndEmptySource
        @DisplayName("Should handle null and empty links")
        void testNullAndEmptyLinks(String link) {
            referralData.setLink(link);
            assertEquals(link, referralData.getLink());
        }

        @ParameterizedTest
        @NullAndEmptySource
        @DisplayName("Should handle null and empty keys")
        void testNullAndEmptyKeys(String key) {