Bug 182062 Define and provide Date/Time format value
DateTime type has been supported in BIRT. Now, there's a proposal on support Date/Time type in BIRT Report Designer. In order to enable end user setting the format of Date/Time type, please define and provide format value for both Date and Time.
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/api/StyleHandleTest.java
assertFalse( style.isPredefined( ) );
		style = designHandle.getElementFactory( ).newStyle( "grid" ); 
		assertTrue( style.isPredefined( ) );
		style = designHandle.getElementFactory( ).newStyle( "myStyle1" ); 
		assertFalse( style.isPredefined( ) );
		style = designHandle.getElementFactory( ).newStyle(
				"table-group-footer-cell" ); 
		assertTrue( style.isPredefined( ) );
	}
	/**
	 * Test PropertyMark method.
	 * 
	 */
	public void testPropertyMask( )
	{
		createDesign( );
		StyleHandle style = designHandle.getElementFactory( ).newStyle(
				"myStyle" ); 
		assertFalse( style.isPredefined( ) );
		try
		{
			style.setPropertyMask( IStyleModel.BACKGROUND_IMAGE_PROP,
					DesignChoiceConstants.PROPERTY_MASK_TYPE_LOCK );
			style.setBackgroundImage( "new url" ); 
			fail( );
		}
		catch ( SemanticException e )
		{
			assertEquals( PropertyValueException.DESIGN_EXCEPTION_VALUE_LOCKED,
					e.getErrorCode( ) );