@Test public void clearsCorrectly() { List<StyleKey> keys = StyleKey.getDefinedStyleKeysList(); ElementStyleSheet sheet = new ElementStyleSheet(); setEverySecondKey( sheet, keys ); sheet.clear(); assertEquals( 0, sheet.getModificationCount() ); assertEquals( 0, sheet.getChangeTrackerHash() ); for ( int i = 0; i < keys.size(); i += 2 ) { StyleKey key = keys.get( i ); Object property = sheet.getStyleProperty( key ); assertNull( property ); } }