Function check_free_after_iterating

Lib/test/support/__init__.py:2080–2099

(test, iter, cls, args=())

def check_free_after_iterating(test, iter, cls, args=()):
    done = False
    def wrapper():
        class A(cls):
            def __del__(self):
                nonlocal done
                done = True
                try:
                    next(it)
                except StopIteration:
                    pass

        it = iter(A(*args))
        # Issue 26494: Shouldn't crash
        test.assertRaises(StopIteration, next, it)

    wrapper()
    # The sequence should be deallocated just after the end of iterating
    gc_collect()
    test.assertTrue(done)


def missing_compiler_executable(cmd_names=[]):