Bug 164070 Support widows/orphans properties on text item
Support widows/orphans properties on block text item(label, text, data etc), About the definition of widows/orphans, please refer to CSS spec.
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/api/DesignElementHandleTest.java
*/
	public void testSemanticCheck( ) throws DesignFileException
	{
		openDesign( "DesignElementHandleTest_1.xml" ); 
		assertEquals( 1, designHandle.getErrorList( ).size( ) );
		OdaDataSourceHandle dataSourceHandle = (OdaDataSourceHandle) designHandle
				.findDataSource( "myDataSource" ); 
		assertNotNull( dataSourceHandle );
		List list = dataSourceHandle.semanticCheck( );
		assertEquals( 0, list.size( ) );
		
		DesignElementHandle myTable = designHandle.findElement( "myTable" ); 
		MyListener myListener = new MyListener( );
		designHandle.addValidationListener( myListener );
		designHandle.checkReport( );
		list = design.getAllErrors( );
		assertEquals( 4, list.size( ) );
		assertEquals( SemanticError.DESIGN_EXCEPTION_UNSUPPORTED_ELEMENT,
				( (ErrorDetail) list.get( 0 ) ).getErrorCode( ) );
		assertEquals( SemanticError.DESIGN_EXCEPTION_UNSUPPORTED_ELEMENT,
				( (ErrorDetail) list.get( 1 ) ).getErrorCode( ) );
		assertEquals( SemanticError.DESIGN_EXCEPTION_UNSUPPORTED_ELEMENT,
				( (ErrorDetail) list.get( 2 ) ).getErrorCode( ) );
		assertEquals( SemanticError.DESIGN_EXCEPTION_MISSING_DATA_SET,
				( (ErrorDetail) list.get( 3 ) ).getErrorCode( ) );
		assertEquals( 1, designHandle.getErrorList( ).size( ) );
		assertEquals( 3, designHandle.getWarningList( ).size( ) );
		list = myTable.getSemanticErrors( );
		assertEquals( 1, list.size( ) );
		assertEquals( SemanticError.DESIGN_EXCEPTION_MISSING_DATA_SET,