});
    }

    @Test
    @DisplayName("Should handle null nonce")
    void testNullNonce() {
        // When/Then
        assertThrows(NullPointerException.class, () -> {
            transformHeader.setNonce(null);
        });
    }

    @Test
    @DisplayName("Should handle invalid nonce length")
    void testInvalidNonceLength() {
        // Given

    protected DcerpcSecurityProvider securityProvider = null;
    private static int call_id = 1;

    /**
     * Gets a DCERPC handle for the specified URL and authentication
     * @param url the DCERPC URL to connect to
     * @param auth the NTLM authentication credentials
     * @return a DCERPC handle for the connection
     * @throws UnknownHostException if the host cannot be resolved

    @Test
    @DisplayName("Should handle null domain and workstation")
    void testNullDomainAndWorkstation() {
        // When
        Type1Message type1 = new Type1Message(mockContext, 0, null, null);

        // Then
        assertNull(type1.getSuppliedDomain());
        assertNull(type1.getSuppliedWorkstation());
    }

    @Test
    @DisplayName("Should handle case sensitivity in domain and workstation")

            assertEquals(transport, result);
            verify(transportPool).getSmbTransport(context, TEST_HOST, DEFAULT_PORT, false, true);
        }

        @Test
        @DisplayName("Should handle UnknownHostException")
        void testGetSmbTransportUnknownHost() throws UnknownHostException, IOException {
            // Given

        }

        @Test
        @DisplayName("Should handle null root cause")
        void testConstructorWithNullRootCause() {
            TransportException exception = new TransportException((Throwable) null);

            assertNotNull(exception);
            assertNull(exception.getRootCause());
        }

        @Test
        @DisplayName("Should handle null message with root cause")

        // When
        response.prepare(mockNext);

        // Then
        verify(mockNext, times(0)).setTreeId(any(Integer.class));
    }

    @DisplayName("Should handle various share flag combinations")
    @ParameterizedTest
    @MethodSource("provideFlagCombinations")
    void testShareFlagCombinations(int flags, boolean expectedDfs) throws SMBProtocolDecodingException {
        // Given

        // Next call should handle CIFSException and close iterator
        assertFalse(it.hasNext()); // After error, hasNext should return false

        // Assert
        verify(tree, times(1)).release();
    }

    @Test
    @DisplayName("close() closes when there is a next element and releases handle")
    void explicitClose() throws Exception {
        // Arrange

            assertArrayEquals(expectedName, actualName);
            verify(response, times(1)).getName();
        }

        @Test
        @DisplayName("getName() should handle null return value")
        void testGetNameWithNull() {
            CreateContextResponse response = mock(CreateContextResponse.class);
            when(response.getName()).thenReturn(null);

     * @param host
     * @return tree handle
     * @throws IOException
     */
    public synchronized SmbTreeHandleImpl connectHost(final SmbResourceLocatorImpl loc, final String host) throws IOException {
        return connectHost(loc, host, null);
    }

    /**
     *
     * @param loc
     * @param host
     * @param referral
     * @return tree handle
     * @throws IOException
     */

            assertEquals(16, bytesRead);
            assertEquals(2048, response.getCount());
            assertEquals(1024, response.getRemaining());
        }

        @Test
        @DisplayName("Should handle zero count and remaining")
        void testReadZeroValues() throws SMBProtocolDecodingException {
            byte[] buffer = createValidWriteResponse(0, 0);