diff options
| -rw-r--r-- | Lib/test/seq_tests.py | 12 | ||||
| -rw-r--r-- | Objects/abstract.c | 2 |
2 files changed, 13 insertions, 1 deletions
diff --git a/Lib/test/seq_tests.py b/Lib/test/seq_tests.py index 9834af1..2416249 100644 --- a/Lib/test/seq_tests.py +++ b/Lib/test/seq_tests.py @@ -85,6 +85,14 @@ def itermulti(seqn): 'Test multiple tiers of iterators' return chain(map(lambda x:x, iterfunc(IterGen(Sequence(seqn))))) +class LyingTuple(tuple): + def __iter__(self): + yield 1 + +class LyingList(list): + def __iter__(self): + yield 1 + class CommonTest(unittest.TestCase): # The type to be tested type2test = None @@ -131,6 +139,10 @@ class CommonTest(unittest.TestCase): self.assertRaises(TypeError, self.type2test, IterNoNext(s)) self.assertRaises(ZeroDivisionError, self.type2test, IterGenExc(s)) + # Issue #23757 + self.assertEqual(self.type2test(LyingTuple((2,))), self.type2test((1,))) + self.assertEqual(self.type2test(LyingList([2])), self.type2test([1])) + def test_truth(self): self.assertFalse(self.type2test()) self.assertTrue(self.type2test([42])) diff --git a/Objects/abstract.c b/Objects/abstract.c index dc8fb37..31cc0a8 100644 --- a/Objects/abstract.c +++ b/Objects/abstract.c @@ -1681,7 +1681,7 @@ PySequence_Tuple(PyObject *v) Py_INCREF(v); return v; } - if (PyList_Check(v)) + if (PyList_CheckExact(v)) return PyList_AsTuple(v); /* Get iterator. */ |