Method assertImmutable

Lib/test/test_capi/test_set.py:19–23

(self, action, *args)

class BaseSetTests:
    def assertImmutable(self, action, *args):
        self.assertRaises(SystemError, action, frozenset(), *args)
        self.assertRaises(SystemError, action, frozenset({1}), *args)
        self.assertRaises(SystemError, action, frozenset_subclass(), *args)
        self.assertRaises(SystemError, action, frozenset_subclass({1}), *args)


class TestSetCAPI(BaseSetTests, unittest.TestCase):