Bug 183918 get relative file path of linkage library
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/library/DesignLoadLibraryTest.java
* @throws Exception
	 *             if any exception
	 */
	public void testPropertiesOfDesignElementExtendingLibraryElement( )
			throws Exception
	{
		openDesign( "DesignWithElementReferenceLibrary.xml" ); 
		LabelHandle label2 = (LabelHandle) designHandle.findElement( "label2" ); 
		assertEquals( "libLabel1", label2.getExtends( ).getName( ) ); 
		
		assertEquals( "Design Label", label2.getText( ) ); 
		assertEquals( designHandle.findStyle( "style1" ), label2.getStyle( ) ); 
		
		assertEquals(
				"blue", label2.getPrivateStyle( ).getColor( ).getStringValue( ) ); 
		
		assertEquals( "15cm", label2.getX( ).getStringValue( ) ); 
		assertEquals(
				"18pt", label2.getPrivateStyle( ).getFontSize( ).getStringValue( ) ); 
		
		assertEquals( "5cm", label2.getY( ).getStringValue( ) ); 
		
		assertEquals( "bolder", label2.getPrivateStyle( ).getFontWeight( ) ); 
		
		LibraryHandle libHandle = (LibraryHandle) designHandle
				.getAllLibraries( ).get( 0 );
		LabelHandle libLabel1 = (LabelHandle) libHandle
				.findElement( "libLabel1" ); 
		
		assertEquals( "Library Label", libLabel1.getText( ) );