filter.init(filterConfig);

        // Test NTLM Type 1 message handling
        byte[] type1Message = new byte[] { 0x4E, 0x54, 0x4C, 0x4D, 0x53, 0x53, 0x50, 0x00, 0x01, 0x00, 0x00, 0x00 };
        String authHeader = "NTLM " + new String(org.bouncycastle.util.encoders.Base64.encode(type1Message));

        when(request.getHeader("Authorization")).thenReturn(authHeader);

        assertArrayEquals(expectedDescrBytes, actualDescrBytes);

        // Verify level (0x0001)
        int descrEnd = 2 + expectedDescrBytes.length;
        assertEquals(0x01, dst[descrEnd]);
        assertEquals(0x00, dst[descrEnd + 1]);

        // Verify maxDataCount (16384)
        assertEquals(16384, SMBUtil.readInt2(dst, descrEnd + 2));

        // Verify serverTypes

        // Verify results is now set (even if empty)
        assertNotNull(response.getResults());
    }

    @ParameterizedTest
    @CsvSource({ "0x01, FILE_DIRECTORY_INFO", "0x02, FILE_FULL_DIRECTORY_INFO", "0x03, FILE_BOTH_DIRECTORY_INFO" })
    @DisplayName("Test constructor with different info class constants")
    void testConstructorWithDifferentInfoClasses(byte infoClass, String description) {

        // Verify content
        assertEquals(SmbComTransaction.TRANS2_QUERY_FS_INFORMATION, buffer[0]);
        assertEquals(0x00, buffer[1]);
        assertEquals(0x03, buffer[2]); // Low byte of 0x0103
        assertEquals(0x01, buffer[3]); // High byte of 0x0103
    }

    @DisplayName("Test toString with different information levels")
    @ParameterizedTest

        // Random but realistic GUID
        byte[] testGuid = { (byte) 0x01, (byte) 0x23, (byte) 0x45, (byte) 0x67, (byte) 0x89, (byte) 0xAB, (byte) 0xCD, (byte) 0xEF,
                (byte) 0xFE, (byte) 0xDC, (byte) 0xBA, (byte) 0x98, (byte) 0x76, (byte) 0x54, (byte) 0x32, (byte) 0x10 };

        // Security mode with signing required

        assertArrayEquals(expectedDescrBytes, actualDescrBytes);

        // Verify level (0x0001 - 2 bytes)
        int descrEnd = 2 + expectedDescrBytes.length;
        assertEquals(0x01, dst[descrEnd]);
        assertEquals(0x00, dst[descrEnd + 1]);

        // Verify maxDataCount (2 bytes)
        int maxDataCount = SMBUtil.readInt2(dst, descrEnd + 2);
        assertTrue(maxDataCount > 0);

        // Prepare buffer with totalParameterCount = 1500
        buffer[bufferIndex] = 0x00;
        buffer[bufferIndex + 1] = 0x00;
        buffer[bufferIndex + 2] = 0x00;
        SMBUtil.writeInt4(1500, buffer, bufferIndex + 3);

        // Fill rest of required fields
        for (int i = 7; i < 37; i++) {
            buffer[bufferIndex + i] = 0x00;
        }

        response.readParameterWordsWireFormat(buffer, bufferIndex);

        }

        @Test
        @DisplayName("Should construct with config and command")
        void testConstructorWithConfigAndCommand() {
            int command = 0x01;
            TestServerMessageBlock2Response resp = new TestServerMessageBlock2Response(mockConfig, command);
            assertNotNull(resp);
            assertSame(mockConfig, resp.getConfig());
        }
    }

            // Act
            var inputStream = smbFile.getInputStream();

            // Assert
            assertNotNull(inputStream);
            verify(smbFile).openUnshared(0, // SmbConstants.O_RDONLY = 0x01, but SmbFileInputStream uses 0
                    SmbFile.O_RDONLY, SmbConstants.DEFAULT_SHARING, // 7 = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE
                    SmbConstants.ATTR_NORMAL, // 128

	s_IFREG  = 0x8000
	s_IFBLK  = 0x6000
	s_IFDIR  = 0x4000
	s_IFCHR  = 0x2000
	s_IFIFO  = 0x1000
	s_ISUID  = 0x800
	s_ISGID  = 0x400
	s_ISVTX  = 0x200

	msdosDir      = 0x10
	msdosReadOnly = 0x01
)

// Mode returns the permission and mode bits for the [FileHeader].
func (h *FileHeader) Mode() (mode fs.FileMode) {
	switch h.CreatorVersion >> 8 {
	case creatorUnix, creatorMacOSX: