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

            testBlock.setFlags2(0x3456);
            testBlock.setSignSeq(42);
            testBlock.setTid(0x1234);
            testBlock.setPid(0x5678);
            testBlock.setUid(0x9ABC);
            testBlock.setMid(0xDEF0);
            testBlock.received();

            String result = testBlock.toString();

            assertNotNull(result);

        }
    }

    @Test
    @DisplayName("Test setUid method")
    void testSetUid() {
        // Given
        int uid = 1000;
        doNothing().when(messageBlock).setUid(uid);

        // When
        messageBlock.setUid(uid);

        // Then
        verify(messageBlock).setUid(uid);
    }

    @Test
    @DisplayName("Test setUid with boundary values")
    void testSetUidWithBoundaryValues() {

        response.setCommand(command);
        assertEquals(command, response.getCommand());

        // Test other setter methods
        doNothing().when(response).setUid(1000);
        response.setUid(1000);
        verify(response).setUid(1000);

        doNothing().when(response).setExtendedSecurity(true);
        response.setExtendedSecurity(true);
        verify(response).setExtendedSecurity(true);

        @Override
        public void setMid(long mid) {
            this.mid = mid;
        }

        @Override
        public int getCommand() {
            return command;
        }

        @Override
        public void setCommand(int command) {
            this.command = command;
        }

        @Override
        public void setUid(int uid) {
            // No-op for test

            this.andx.setErrorCode(getErrorCode());
            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) {

     * Gets the message ID.
     *
     * @return the message id
     */
    long getMid();

    /**
     * Sets the message ID.
     *
     * @param mid the message ID to set
     */
    void setMid(long mid);

    /**
     * Gets the SMB command.
     *
     * @return the command
     */
    int getCommand();

    /**
     * Sets the SMB command.
     *

        setCredit(credits);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#setTid(int)
     */
    @Override
    public void setTid(final int t) {
        setTreeId(t);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#isCancel()
     */
    @Override

            testMessage.setMid(12345L);
            other.setMid(12345L);

            assertTrue(testMessage.equals(other));
        }

        @Test
        @DisplayName("Should not be equal when MIDs differ")
        void testNotEqualsDifferentMid() {
            TestServerMessageBlock2 other = new TestServerMessageBlock2(mockConfig);
            testMessage.setMid(12345L);
            other.setMid(67890L);

    }

    @Test
    @DisplayName("Test setTid with positive value")
    void testSetTidWithPositiveValue() {
        // Given
        int tid = 12345;
        doNothing().when(request).setTid(tid);

        // When
        request.setTid(tid);

        // Then
        verify(request, times(1)).setTid(tid);
    }

    @Test
    @DisplayName("Test setTid with zero value")
    void testSetTidWithZero() {