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 testFindAndNativeFind( ) throws Exception
	{
		openDesign( "DesignWithElementReferenceLibrary.xml" ); 
		List libraries = designHandle.getAllLibraries( );
		assertTrue( ( (LibraryHandle) libraries.get( 0 ) ).isValid( ) );
		assertTrue( ( (LibraryHandle) libraries.get( 1 ) ).isValid( ) );
		assertTrue( ( (LibraryHandle) libraries.get( 2 ) ).isValid( ) );
		
		assertNotNull( designHandle.findElement( "label1" ) ); 
		assertNull( designHandle.findElement( "LibA.libLabel1" ) ); 
		
		assertNotNull( designHandle.findNativeStyle( "style1" ) ); 
		assertNotNull( designHandle.findStyle( "style1" ) ); 
		assertNotNull( designHandle.findNativeStyle( "style2" ) ); 
		assertNotNull( designHandle.findStyle( "style2" ) ); 
		assertNull( designHandle.findNativeStyle( "style3" ) ); 
		assertNotNull( designHandle.findStyle( "style3" ) ); 
		List elements = designHandle.getAllStyles( );
		assertEquals(
				new String[]{"style1", "style3", "style2"}, getNameArray( elements ) ); 
		
		assertNotNull( designHandle.findDataSource( "LibA.dataSource1" ) ); 
		assertNotNull( designHandle.findDataSource( "dataSource2" ) ); 
		elements = designHandle.getVisibleDataSources( );
		assertEquals(
				new String[]{"dataSource1", "dataSource2", "dataSource3"}, getNameArray( elements ) );   
		elements = designHandle.getAllDataSources( );