
PASS Text.appendData('bar') 
PASS Text.appendData('') 
PASS Text.appendData(non-ASCII) 
PASS Text.appendData(null) 
PASS Text.appendData(undefined) 
PASS Text.appendData('', 'bar') 
PASS Text.appendData() 
PASS Comment.appendData('bar') 
PASS Comment.appendData('') 
PASS Comment.appendData(non-ASCII) 
PASS Comment.appendData(null) 
PASS Comment.appendData(undefined) 
PASS Comment.appendData('', 'bar') 
PASS Comment.appendData()