@Test
    @DisplayName("Test setExtendedSecurity method with false")
    void testSetExtendedSecurityFalse() {
        // Given
        boolean extendedSecurity = false;
        doNothing().when(messageBlock).setExtendedSecurity(extendedSecurity);

        // When
        messageBlock.setExtendedSecurity(extendedSecurity);

        // Then
        verify(messageBlock).setExtendedSecurity(false);
    }

    @Test

        doNothing().when(response).setUid(1000);
        response.setUid(1000);
        verify(response).setUid(1000);

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

        doNothing().when(response).setSessionId(999L);
        response.setSessionId(999L);
        verify(response).setSessionId(999L);

            this.command = command;
        }

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

        @Override
        public void setExtendedSecurity(boolean extendedSecurity) {
            // No-op for test
        }

        @Override
        public void setSessionId(long sessionId) {
            // No-op for test
        }

        @Override
        public void setCommand(int command) {
        }

        @Override
        public void setUid(int uid) {
        }

        @Override
        public void setExtendedSecurity(boolean extendedSecurity) {
        }

        @Override
        public void setSessionId(long sessionId) {
        }

        @Override
        public void reset() {
        }

            this.next.setSessionId(sessionId);
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlock#setExtendedSecurity(boolean)
     */
    @Override
    public void setExtendedSecurity(final boolean extendedSecurity) {
        // ignore
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlock#setUid(int)

        }

        @Test
        @DisplayName("Test extended security property")
        void testExtendedSecurityProperty() {
            assertFalse(testBlock.isExtendedSecurity());
            testBlock.setExtendedSecurity(true);
            assertTrue(testBlock.isExtendedSecurity());
        }

        @Test
        @DisplayName("Test expiration property")
        void testExpirationProperty() {

    class LegacyMethodTests {

        @Test
        @DisplayName("Should ignore extended security setting")
        void testSetExtendedSecurity() {
            testMessage.setExtendedSecurity(true);
            testMessage.setExtendedSecurity(false);
            // Method is empty, just ensure no exception
        }

        @Test
        @DisplayName("Should ignore UID setting")
        void testSetUid() {

            this.command = command;
        }

        @Override
        public void setUid(int uid) {
            this.uid = uid;
        }

        @Override
        public void setExtendedSecurity(boolean extendedSecurity) {
            this.extendedSecurity = extendedSecurity;
        }

        @Override
        public void setSessionId(long sessionId) {
            this.sessionId = sessionId;

        // ignore
    }

    /**
     * @param extendedSecurity
     *            the extendedSecurity to set
     */
    @Override
    public void setExtendedSecurity(final boolean extendedSecurity) {
        this.extendedSecurity = extendedSecurity;
    }

    /**
     * Checks if Unicode encoding is enabled for this message
     * @return the useUnicode
     */