// When/Then
            assertDoesNotThrow(() -> {
                mockResource.setReadOnly();
                mockResource.setReadWrite();
            }, "File modification operations should not throw exception");

            verify(mockResource).setReadOnly();
            verify(mockResource).setReadWrite();
        }

        @Test

            // Arrange
            doReturn(SmbConstants.ATTR_NORMAL).when(smbFile).getAttributes();
            doNothing().when(smbFile).setAttributes(anyInt());

            // Act
            smbFile.setReadOnly();

            // Assert
            verify(smbFile).setAttributes(SmbConstants.ATTR_NORMAL | SmbConstants.ATTR_READONLY);
        }

        @Test
        void testSetReadWrite() throws SmbException {

     * getAttributes() | ATTR_READ_ONLY )</code>.
     *
     * @throws CIFSException if an error occurs modifying the resource
     */
    void setReadOnly() throws CIFSException;

    /**
     * Set the attributes of this file. Attributes are composed into a
     * bitset by bitwise ORing the <code>ATTR_*</code> constants. Setting the