Method test_close_clears_frame

Lib/test/test_generators.py:305–331

(self)

        self.assertEqual([1,2], list(i for i in C()))

    def test_close_clears_frame(self):
        # gh-142766: Test that closing a generator clears its frame
        class DetectDelete:
            def __init__(self):
                DetectDelete.deleted = False

            def __del__(self):
                DetectDelete.deleted = True

        def generator(arg):
            yield

        # Test a freshly created generator (not suspended)
        g = generator(DetectDelete())
        g.close()
        self.assertTrue(DetectDelete.deleted)

        # Test a suspended generator
        g = generator(DetectDelete())
        next(g)
        g.close()
        self.assertTrue(DetectDelete.deleted)

        # Clear via gi_frame.clear()
        g = generator(DetectDelete())
        g.gi_frame.clear()
        self.assertTrue(DetectDelete.deleted)

class ModifyUnderlyingIterableTest(unittest.TestCase):
    iterables = [