final MyClass2 dest = new MyClass2();
        dest.setAaa("aaa");
        dest.setBbb("bbb");
        dest.setDdd("ddd");

        BeanUtil.copyBeanToBean(src, dest);
        assertThat(dest.getAaa(), is("111"));
        assertThat(dest.getBbb(), is(nullValue()));
        assertThat(dest.getDdd(), is("ddd"));
    }

    /**
     * @throws Exception
     */
    @Test

            assertEquals(0x3456, testBlock.getFlags2());
            assertEquals(0x1234, testBlock.getTid());
            assertEquals(0x5678, testBlock.getPid());
            assertEquals(0x9ABC, testBlock.getUid());
            assertEquals(0xDEF0, testBlock.getMid());
        }

        @Test
        @DisplayName("Test decode with signature verification failure")

    class ConstructorTests {

        private Configuration mockConfig;

        @BeforeEach
        void setUp() {
            mockConfig = mock(Configuration.class);
            when(mockConfig.getPid()).thenReturn(12345);
        }

        @Test
        @DisplayName("Should initialize with correct command and MID")
        void testConstructorInitialization() throws Exception {
            // Given

            this.andx.setFlags(getFlags());
            this.andx.setFlags2(getFlags2());
            this.andx.setTid(getTid());
            this.andx.setPid(getPid());
            this.andx.setUid(getUid());
            this.andx.setMid(getMid());
            this.andx.setUseUnicode(this.isUseUnicode());

            if (this.andx instanceof AndXServerMessageBlock) {

        // Mock config methods needed for SMB1
        when(config.getPid()).thenReturn(1234);

        SmbComTreeConnectAndXResponse response = mock(SmbComTreeConnectAndXResponse.class);
        when(response.getService()).thenReturn("A:");
        when(response.isValidTid()).thenReturn(true);
        when(response.getTid()).thenReturn(1);
        when(session.send(any(), any())).thenReturn(response);

    }

    @Test
    @DisplayName("Test getSID returns correct SID")
    void testGetSID() throws SmbException {
        assertNull(ace.getSID());

        SID testSid = new SID("S-1-5-21-1234567890-123456789-123456789-1000");
        ace.sid = testSid;

        assertSame(testSid, ace.getSID());
    }

    @Test
    @DisplayName("Test decode with offset")

        @Test
        @DisplayName("Should define getSID method returning SID")
        void shouldDefineMethods() {
            ACE ace = mock(ACE.class);
            SID mockSid = mock(SID.class);
            when(ace.getSID()).thenReturn(mockSid);

            SID result = ace.getSID();
            assertSame(mockSid, result);
            verify(ace).getSID();
        }

        @Test

     */
    public final int getTid() {
        return this.tid;
    }

    /**
     * @param tid
     *            the tid to set
     */
    @Override
    public final void setTid(final int tid) {
        this.tid = tid;
    }

    /**
     * Gets the process identifier
     * @return the pid
     */
    public final int getPid() {
        return this.pid;
    }

        when(mockConfig.getPid()).thenReturn(1234);

        // When
        smbComTreeDisconnect = new SmbComTreeDisconnect(mockConfig);

        // Then
        assertNotNull(smbComTreeDisconnect);
        assertEquals(ServerMessageBlock.SMB_COM_TREE_DISCONNECT, smbComTreeDisconnect.getCommand());
        verify(mockConfig).getPid(); // Verify getPid was called
    }

    /**

        // Test at various positions in the buffer
        int[] positions = { 0, 10, 50, 100, 150 };

        for (int pos : positions) {
            when(mockConfig.getPid()).thenReturn(1234); // Mock getPid for each new instance
            response = new TestSmbComNtTransactionResponse(mockConfig); // Reset response

            // Fill buffer at position
            for (int i = 0; i < 37; i++) {