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
try
		{
			designHandle.getStyles( ).add( style );
			fail( );
		}
		catch ( NameException e )
		{
			assertEquals( style.getElement( ), e.getElement( ) );
			assertNull( e.getName( ) );
			assertEquals( e.getErrorCode( ),
					NameException.DESIGN_EXCEPTION_NAME_REQUIRED );
		}
		style = factory.newStyle( "My Style" );
		designHandle.getStyles( ).add( style );
	}
	/**
	 * Tests setting/getting property of an element. Following methods have been
	 * tested:
	 * <ul>
	 * <li>
	 * {@link org.eclipse.birt.report.model.api.DesignElementHandle#getBooleanProperty(String)}
	 * <li>
	 * {@link org.eclipse.birt.report.model.api.DesignElementHandle#getDimensionProperty(String)}
	 * <li>
	 * {@link org.eclipse.birt.report.model.api.DesignElementHandle#getElementProperty(String)}
	 * <li>
	 * {@link org.eclipse.birt.report.model.api.DesignElementHandle#getFactoryPropertyHandle(String)}
	 * <li>
	 * {@link org.eclipse.birt.report.model.api.DesignElementHandle#getFloatProperty(String)}
	 * <li>