// Testing invalid protocol ID during decode instead
        byte[] invalidBuffer = new byte[52];
        // Write invalid protocol ID
        invalidBuffer[0] = 0x00;
        invalidBuffer[1] = 0x00;
        invalidBuffer[2] = 0x00;
        invalidBuffer[3] = 0x00;

        assertThrows(IllegalArgumentException.class, () -> {
            Smb2TransformHeader.decode(invalidBuffer, 0);
        });
    }

    @Test

        assertEquals(0x00, dst[dstIndex + 2]);
        assertEquals(0x00, dst[dstIndex + 3]);

        // Verify security information (4 bytes)
        assertEquals(securityInfo, SMBUtil.readInt4(dst, dstIndex + 4));
    }

    @ParameterizedTest
    @DisplayName("Test writeParametersWireFormat with various FID values")
    @ValueSource(ints = { 0x0000, 0x0001, 0x7FFF, 0xFFFF, 0x1234, 0xABCD })

     */
    public static final int DFS_STORAGE_STATE_OFFLINE = 0x0001;
    /**
     * DFS storage state indicating online status
     */
    public static final int DFS_STORAGE_STATE_ONLINE = 0x0002;
    /**
     * DFS storage state indicating active status
     */
    public static final int DFS_STORAGE_STATE_ACTIVE = 0x0004;

    /**

        byte[] encryptionKey = "12345678".getBytes();
        ByteBuffer buffer = ByteBuffer.allocate(response.byteCount);
        buffer.put(encryptionKey);
        buffer.put(domainNameBytes);
        buffer.putShort((short) 0x0000); // Null terminator

        byte[] byteData = buffer.array();

        // Call the method
        int bytesRead = response.readBytesWireFormat(byteData, 0);

        // Assertions

                // For domain: Type 0x0002 (NetBIOS Domain Name)
                // For server: Type 0x0001 (NetBIOS Computer Name)

                // Verify domain part
                assertEquals(2, Type2Message.readUShort(targetInfo, 0)); // Type 0x0002

            assertEquals("Unknown dialect", exception.getMessage());
        }

        @ParameterizedTest
        @ValueSource(ints = { 0x0000, 0x0100, 0x0201, 0x0303, 0x0400, 0xFFFF })
        @DisplayName("Should throw exception for invalid dialects")
        void testConstructorInvalidDialects(int dialect) {
            IllegalArgumentException exception =

            // When
            DcerpcException result = bind.getResult();

            // Then
            assertNotNull(result, "Should return exception for unknown error result");
            assertEquals("0x0005", result.getMessage(), "Should return hex representation for unknown error code");
        }

        @Test
        @DisplayName("getResult should handle large error codes")

        int bodyStart = headerStart + Smb2Constants.SMB2_HEADER_LENGTH;
        // Error response structure: size(2)=9, errorContextCount(1), reserved(1), bc(4), errorData(bc)
        SMBUtil.writeInt2(9, buf, bodyStart);
        buf[bodyStart + 2] = 0x02; // errorContextCount
        buf[bodyStart + 3] = 0x00; // reserved
        int bc = 4;

        .putByte((byte) 0x01)
        .putByte((byte) 0x00)
        .putByte((byte) 0x01)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00)
        .putByte((byte) 0x00);
    assertEquals(hashCode, hasher.hash().asLong());

    hasher = HASH_FN.newHasher();
    hasher
        .putChar((char) 0x0101)
        .putChar((char) 0x0100)
        .putChar((char) 0x0000)

        int actualInfoLevel = SMBUtil.readInt2(buffer, 0);
        assertEquals(0x0101, actualInfoLevel); // FILE_BASIC_INFO maps to 0x0101

        // Check reserved bytes (4 bytes of 0x00)
        assertEquals(0x00, buffer[2]);
        assertEquals(0x00, buffer[3]);
        assertEquals(0x00, buffer[4]);
        assertEquals(0x00, buffer[5]);

        // Check that filename is written correctly (starting at offset 6)