Bug 186940 Style name in theme cannot be identify by auto when reopen the library[01]
Description: Style name in theme cannot be identify by auto when reopen the library[01] Step: 1.Open a library and add a theme 2.New a style on the theme and use the default name that is "NewStyle" 3.Save the library, close it and reopen it again. 4.New another style on the same theme Actual result: The default style name on second times is also "NewStyle" Exception result: The default style name on second times is "NewStyle1"
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/api/GroupElementHandleTest.java
elements.add( element1 );
		GroupElementHandle groupElementHandle = new SimpleGroupElementHandle(
				designHandle, elements );
		Iterator iter = groupElementHandle.propertyIterator( );
		for ( ; iter.hasNext( ); )
		{
			GroupPropertyHandle propHandle = (GroupPropertyHandle) iter.next( );
			IElementPropertyDefn propDefn = propHandle.getPropertyDefn( );
			if ( ReportItem.HEIGHT_PROP.equalsIgnoreCase( propDefn.getName( ) ) )
			{
				propHandle.setStringValue( "12pt" ); 
				assertEquals( "12pt", propHandle.getStringValue( ) ); 
				propHandle.clearValue( );
			}
		}
	}
	/**
	 * Test visiblePropertyIterator().
	 * 
	 * @throws SemanticException
	 */
	public void testGetVisiblePropertyIterator( ) throws SemanticException
	{
		
		ArrayList elements = new ArrayList( );
		
		LabelHandle element1 = elemFactory.newLabel( "label" ); 
		TextItemHandle element2 = elemFactory.newTextItem( "text" ); 
		elements.add( element2 );
		elements.add( element1 );