void testHashCode() {
            testBlock.setMid(0x1234);
            assertEquals(0x1234, testBlock.hashCode());
        }

        @Test
        @DisplayName("Test equals method")
        void testEquals() {
            testBlock.setMid(0x1234);

            TestServerMessageBlock other = new TestServerMessageBlock(mockConfig);
            other.setMid(0x1234);

            assertTrue(testBlock.equals(other));

        byte[] dst = new byte[100];

        int result = notifyChange.writeDataWireFormat(dst, 10);

        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test readSetupWireFormat returns zero")
    void testReadSetupWireFormat() {
        notifyChange = new NtTransNotifyChange(mockConfig, 0x1234, FILE_NOTIFY_CHANGE_FILE_NAME, false);

        byte[] buffer = new byte[100];

        int result = querySecurityDesc.readDataWireFormat(buffer, 10, 50);

        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test toString method with basic values")
    void testToStringBasic() {
        int fid = 0x1234;
        int securityInfo = OWNER_SECURITY_INFORMATION;

        // Little-endian 0x1234 -> 0x34 0x12
        byte[] data = new byte[] { 0x34, 0x12, 0x00, 0x00 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals((short) 0x1234, pdis.readShort());
    }

    @Test
    public void testReadInt() throws IOException {
        // Little-endian 0x12345678 -> 0x78 0x56 0x34 0x12
        byte[] data = new byte[] { 0x78, 0x56, 0x34, 0x12 };

        assertArrayEquals(expected, actualWritten, "wire format should match expectation");
    }

    static Stream<Arguments> validParams() {
        // fid 0x1234, lastWriteTime 0 -> UTime all 0xFF
        return Stream.of(Arguments.of(0x1234, 0L, new byte[] { 0x34, 0x12, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }),
                // negative fid wraps around, lastWriteTime = 1000 -> 1 second -> int value 1

    @Test
    @DisplayName("writeInt2 should correctly write 16-bit integer")
    void testWriteInt2() {
        byte[] dst = new byte[4];
        SessionServicePacket.writeInt2(0x1234, dst, 0);

        assertEquals((byte) 0x12, dst[0]);
        assertEquals((byte) 0x34, dst[1]);
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 255, 256, 32767, 65535 })
    @DisplayName("writeInt2 should handle various values")

    void setUp() {
        smb = new TestServerMessageBlock();
    }

    @Test
    void testInt2ReadWrite() {
        byte[] buffer = new byte[2];
        ServerMessageBlock.writeInt2(0x1234, buffer, 0);
        assertEquals(0x1234, ServerMessageBlock.readInt2(buffer, 0));
    }

    @Test
    void testInt4ReadWrite() {
        byte[] buffer = new byte[4];
        ServerMessageBlock.writeInt4(0x12345678, buffer, 0);

        byte[] data = new byte[4];
        ByteBuffer buffer = ByteBuffer.wrap(data).order(ByteOrder.LITTLE_ENDIAN);

        // Test with a positive value
        buffer.putShort(0, (short) 0x1234);
        assertEquals(0x1234, NtlmMessage.readUShort(data, 0), "Should read positive UShort correctly.");

        // Test with zero
        buffer.putShort(0, (short) 0);

        write.setParam(0x1234, 0x5678L, 100, new byte[10], 0, 10);
        byte[] dst = new byte[20];

        // Act
        int bytesWritten = write.writeParameterWordsWireFormat(dst, 0);

        // Assert
        assertEquals(10, bytesWritten, "Should write 10 bytes");
        // Check FID (little-endian)
        assertEquals(0x34, dst[0] & 0xFF);
        assertEquals(0x12, dst[1] & 0xFF);
        // Check count

        NameServicePacket.writeInt2(0x1234, dst, 0);
        assertEquals((byte) 0x12, dst[0]);
        assertEquals((byte) 0x34, dst[1]);
    }

    @Test
    void testWriteInt4() {
        byte[] dst = new byte[4];
        NameServicePacket.writeInt4(0x12345678, dst, 0);
        assertEquals((byte) 0x12, dst[0]);
        assertEquals((byte) 0x34, dst[1]);
        assertEquals((byte) 0x56, dst[2]);