New submission from showell <[email protected]>:
I would like to submit the following test to be part of the test_iter.py test
suite:
def test_extends(self):
# This test would break on an incomplete patch to listobject.c
def gen():
for i in range(500):
yield i
lst = [0] * 500
for i in range(240):
lst.pop(0)
lst.extend(gen())
The history behind it is that I made a patch to listobject.c that obviously
broke listextend(), but the tests did not catch it. This was my failing test
to improve my patch. Regardless of what happens to the patch, I think it's a
good idea to hammer on listextend() when it accepts an iterator, as it's a
fairly tricky problem to extend a list when you do not know in advance how long
it will be until the iterator gets exhausted.
----------
components: Tests
messages: 98320
nosy: Steve Howell
severity: normal
status: open
title: new test for test_iter.py
type: behavior
versions: Python 3.2
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Python tracker <[email protected]>
<http://bugs.python.org/issue7782>
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