@DisplayName("Should handle null properties gracefully")
    void testNullProperties() throws CIFSException {
        // PropertyConfiguration doesn't handle null properties
        // It should throw NullPointerException
        assertThrows(NullPointerException.class, () -> {
            new PropertyConfiguration(null);
        });
    }

    @Test
    @DisplayName("Should handle empty properties")

     */
    @Test
    @DisplayName("Test constructor with null configuration throws NullPointerException")
    public void testConstructorWithNullConfig() {
        // Given
        String oldFileName = "old.txt";
        String newFileName = "new.txt";

        // When & Then - should throw NullPointerException
        assertThrows(NullPointerException.class, () -> {
            new SmbComRename(null, oldFileName, newFileName);

        }

        @Test
        @DisplayName("Should throw NullPointerException with null configuration")
        void testConstructorWithNullConfig() {
            // The parent class requires a non-null configuration for getPid()
            assertThrows(NullPointerException.class, () -> {
                new Trans2GetDfsReferralResponse(null);
            });
        }
    }

            // Test with concrete implementation - behavior depends on implementation
            // May throw NullPointerException
            try {
                concreteImplementation.append(null);
            } catch (NullPointerException e) {
                // Expected for some implementations
            }
        }
    }

    @Nested

        @Test
        @DisplayName("renameTo should throw NullPointerException for null destination")
        void testRenameTo_NullDestination() throws CIFSException {
            // Given
            doThrow(new NullPointerException("dest argument is null")).when(mockResource).renameTo(null);

            // When/Then
            assertThrows(NullPointerException.class, () -> mockResource.renameTo(null),

     */
    @Test
    @DisplayName("Test constructor throws NullPointerException with null configuration")
    public void testConstructorWithNullConfig() {
        // When & Then - should throw NullPointerException since ServerMessageBlock calls config.getPid()
        NullPointerException exception = assertThrows(NullPointerException.class, () -> {
            smbComTreeDisconnect = new SmbComTreeDisconnect(null);
        });

            DcerpcBind bindWithNullBinding = new DcerpcBind(null, mockHandle);

            // When/Then
            assertThrows(NullPointerException.class, () -> {
                bindWithNullBinding.encode_in(mockBuffer);
            }, "Should throw NullPointerException when binding is null");
        }

        @Test
        @DisplayName("encode_in should use default constructor values")

            // Then
            assertNotNull(cancel);
            assertEquals(mid, cancel.getMid());
        }

        @Test
        @DisplayName("Should throw NullPointerException when config is null")
        void testNullConfigurationThrowsException() throws Exception {
            // Given

    /**
     * Test valueOf method with null
     */
    public void test_valueOf_null() {
        try {
            CrawlerStatus.valueOf(null);
            fail("Should throw NullPointerException for null value");
        } catch (NullPointerException e) {
            // Expected
        }
    }

    /**
     * Test name method
     */
    public void test_name() {

        });
    }

    @Test
    void constructor_shouldThrowExceptionWithNullSids() {
        // Act & Assert - Null SID array causes NPE when accessing length
        assertThrows(NullPointerException.class, () -> {
            new MsrpcLookupSids(mockPolicyHandle, null);
        });
    }

    @Test
    void constructor_shouldSetCorrectSuperclassParameters() throws Exception {
        // Arrange