def test_reset(self):
handles = HandleGenerator('200')
handles.reset('300')
self.assertEqual('300', str(handles))
def test_next_function(self):
handles = HandleGenerator('100')
self.assertEqual('100', next(handles))
def test_seed(self):
handles = HandleGenerator('200')
handles.next()
self.assertEqual('201', str(handles))
def test_next(self):
handles = HandleGenerator('100')
self.assertEqual('100', handles.next())
