}

        @Test
        @DisplayName("createResponse throws NullPointerException when CIFSContext is null")
        void createResponse_nullContext_throws() {
            // Arrange
            Smb2LogoffRequest req = newRequest();

            // Act/Assert
            assertThrows(NullPointerException.class, () -> req.createResponse(null, req));
        }

        @Test

            // 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);
        });

        System.out.println(ex.getMessage());
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetCause() throws Exception {
        final Throwable t = new NullPointerException("test");
        final ClRuntimeException ex = new ClRuntimeException("ECL0017", asArray(t), t);
        assertThat(ex.getCause(), is(t));
        ex.printStackTrace();
    }

            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

        assertNotNull(nullBufferResponse);

        // But trying to read data should cause NullPointerException
        byte[] buffer = new byte[10];
        assertThrows(NullPointerException.class, () -> nullBufferResponse.readDataWireFormat(buffer, 0, 5));
    }

    @Test
    void testReadDataWireFormatWithNegativeLength() {

    }

    @Test
    @DisplayName("readParameterWordsWireFormat with null buffer - throws NullPointerException")
    void testReadParameterWordsWithNullBuffer() {
        assertThrows(NullPointerException.class, () -> response.readParameterWordsWireFormat(null, 0));
    }

    @Test

    /**
     * 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() {