diff options
| -rw-r--r-- | Lib/test/test_generators.py | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Lib/test/test_generators.py b/Lib/test/test_generators.py index 6b9b491..2df54df 100644 --- a/Lib/test/test_generators.py +++ b/Lib/test/test_generators.py @@ -1713,6 +1713,34 @@ enclosing function a generator: """ +refleaks_tests = """ +Prior to adding cycle-GC support to itertools.tee, this code would leak +references. We add it to the standard suite so the routine refleak-tests +would trigger if it starts being uncleanable again. + +>>> import itertools +>>> def leak(): +... class gen: +... def __iter__(self): +... return self +... def next(self): +... return self.item +... g = gen() +... head, tail = itertools.tee(g) +... g.item = head +... return head +>>> it = leak() + +Make sure to also test the involvement of the tee-internal teedataobject, +which stores returned items. + +>>> item = it.next() + +There should be more test_generator-induced refleaks here, after they get +fixed. + +""" + __test__ = {"tut": tutorial_tests, "pep": pep_tests, "email": email_tests, @@ -1721,6 +1749,7 @@ __test__ = {"tut": tutorial_tests, "conjoin": conjoin_tests, "weakref": weakref_tests, "coroutine": coroutine_tests, + "refleaks": refleaks_tests, } # Magic test name that regrtest.py invokes *after* importing this module. |