return buffer;
        }
    }

    @Nested
    @DisplayName("Response Tests")
    class ResponseTests {

        @Test
        @DisplayName("Should return null response by default")
        void testGetResponse() {
            assertNull(testMessage.getResponse());
        }

        @Test
        @DisplayName("Should accept response setting")
        void testSetResponse() {

        @Test
        @DisplayName("Should initialize with self-referencing next")
        void testConstructorInitialization() {
            DfsReferralDataImpl data = new DfsReferralDataImpl();
            assertNotNull(data.next());
            assertSame(data, data.next());
        }
    }

    @Nested
    @DisplayName("Unwrap Tests")
    class UnwrapTests {

        @Test

    }

    @Nested
    @DisplayName("Filter Flags Constants Tests")
    class FilterFlagsTests {

        @Test
        @DisplayName("Verify FILE_NOTIFY_CHANGE_FILE_NAME constant value")
        void testFileNotifyChangeFileName() {
            assertEquals(0x00000001, FileNotifyInformation.FILE_NOTIFY_CHANGE_FILE_NAME);
        }

        @Test
        @DisplayName("Verify FILE_NOTIFY_CHANGE_DIR_NAME constant value")

    }

    @Nested
    @DisplayName("Header Constants")
    class HeaderConstants {

        @Test
        @DisplayName("SMB2 header length should be 64 bytes")
        void testSmb2HeaderLength() {
            assertEquals(64, Smb2Constants.SMB2_HEADER_LENGTH, "SMB2 header must be exactly 64 bytes");
        }
    }

    @Nested
    @DisplayName("Negotiation Constants")
    class NegotiationConstants {

        }
    }

    @Nested
    @DisplayName("Constants Tests")
    class ConstantsTests {

        @Test
        @DisplayName("Should have correct SMB2_READFLAG_READ_UNBUFFERED value")
        void testReadUnbufferedFlag() {
            assertEquals((byte) 0x1, Smb2ReadRequest.SMB2_READFLAG_READ_UNBUFFERED);
        }

        @Test
        @DisplayName("Should have correct SMB2_CHANNEL_NONE value")

        @DisplayName("Should extend jcifs.smb1.http.Handler")
        void testInheritance() {
            // Then
            assertTrue(handler instanceof jcifs.smb1.http.Handler);
            assertTrue(handler instanceof URLStreamHandler);
        }
    }

    @Nested
    @DisplayName("Default Port Tests")
    class DefaultPortTests {

        @Test
        @DisplayName("Should return HTTPS port 443")

        }

        @Test
        @DisplayName("Should not throw when preparing with null next response")
        void testPrepareWithNullNext() {
            assertDoesNotThrow(() -> response.prepare(mockRequest));
        }
    }

    @Nested
    @DisplayName("State Management Tests")
    class StateManagementTests {

        @Test
        @DisplayName("Should reset state correctly")

        @Test
        @DisplayName("isCancel should always return false")
        void testIsCancel() {
            assertFalse(testRequest.isCancel());
        }

        @Test
        @DisplayName("getCreditCost should return 1 by default")
        void testGetCreditCost() {
            assertEquals(1, testRequest.getCreditCost());
        }

        @Test
        @DisplayName("setRequestCredits should set credit value")

        }
    }

    @Nested
    @DisplayName("Interface Constants Tests")
    class InterfaceConstantsTests {

        @Test
        @DisplayName("Should have correct SMB_INFO_ALLOCATION constant value")
        void testSmbInfoAllocationConstant() {
            assertEquals((byte) -1, FileSystemInformation.SMB_INFO_ALLOCATION);
        }

        @Test
        @DisplayName("Should have correct FS_SIZE_INFO constant value")

    @DisplayName("Test isDFSSupported returns false")
    void testIsDFSSupportedFalse() {
        // Arrange
        when(negotiationResponse.isDFSSupported()).thenReturn(false);

        // Act
        boolean result = negotiationResponse.isDFSSupported();

        // Assert
        assertFalse(result);
        verify(negotiationResponse).isDFSSupported();
    }

    @Test