Bug 192171 Layout still display css style from library after removing library.[01]
Description: Layout still display css style from library after removing library. Build number:2.2.0.v20070612 Steps to reproduce: 1. Add a css file in Library Explorer 2. New a library file. 3. Use css file in library default theme. 4. New a report and use the library. 5. Insert a label and apply the style from library. 6. Remove the library in report Outline. Expected result: Style effect disappears from label in Layout. Actual result: Label in Layout still displays the style effect. Error log:N/A
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/library/LibraryThemeTest.java
public void testCssStyleSheet( ) throws Exception
	{
		openLibrary( "BlankLibrary.xml" ); 
		ThemeHandle themeHandle = (ThemeHandle) libraryHandle.getThemes( ).get(
				0 );
		assertTrue( themeHandle.canAddCssStyleSheet( getResource( "input/base.css" ).getFile( ) ));
		assertTrue( themeHandle.canAddCssStyleSheet( "base.css" ));
		
		 
		
		CssStyleSheetHandle sheetHandle = libraryHandle
				.openCssStyleSheet( getResource( "input/base.css" ).getFile( ) );
		assertNull( sheetHandle.getContainerHandle( ));
		
		themeHandle.addCss( sheetHandle );
		
		assertFalse( themeHandle.canAddCssStyleSheet( sheetHandle ));
		assertFalse( themeHandle.canAddCssStyleSheet( getResource( "input/base.css" ).getFile( ) ));
		
		List styles = themeHandle.getAllStyles( );
		assertEquals( 5, styles.size( ) );
		
		assertNotNull( sheetHandle.getContainerHandle( ));
		try
		{
			themeHandle.addCss( sheetHandle );
			fail( );
		}
		catch ( CssException e )
		{