def test_transform(self):
wk = SequenceIterator(['aattgg'], transform=self.rev_f)
wk.state = self.seqqual_ok.copy()
self.assertEqual(wk.state['Sequence'], self.seqqual_ok['Sequence'])
wk.transform()
self.assertEqual(wk.state['Sequence'],
self.seqqual_ok['Sequence'][::-1])
self.assertTrue((wk.state['Qual'] ==
self.seqqual_ok['Qual'][::-1]).all())
