Method test_Set

Lib/test/test_collections.py:1421–1433

(self)

    # as real base classes or mix-in classes.

    def test_Set(self):
        for sample in [set, frozenset]:
            self.assertIsInstance(sample(), Set)
            self.assertIsSubclass(sample, Set)
        self.validate_abstract_methods(Set, '__contains__', '__iter__', '__len__')
        class MySet(Set):
            def __contains__(self, x):
                return False
            def __len__(self):
                return 0
            def __iter__(self):
                return iter([])
        self.validate_comparison(MySet())

    def test_hash_Set(self):
        class OneTwoThreeSet(Set):