def test_intersection_update_with_iterable(self):
python_set = set([1, 2, 3])
python_set.intersection_update(i for i in [1, 2])
ts = TraitSet([1, 2, 3])
ts.intersection_update(i for i in [1, 2])
self.assertEqual(ts, python_set)
def test_intersection_update_varargs(self):
python_set = set([1, 2, 3])
python_set.intersection_update([2], [3])
ts = TraitSet([1, 2, 3])
ts.intersection_update([2], [3])
self.assertEqual(ts, python_set)
def test_intersection_update_with_no_arguments(self):
python_set = set([1, 2, 3])
python_set.intersection_update()
notifier = mock.Mock()
ts = TraitSet([1, 2, 3], notifiers=[notifier])
ts.intersection_update()
self.assertEqual(ts, python_set)
notifier.assert_not_called