[Python-3000] test_profile failing

[Mark Dickinson]

On Fri, Feb 29, 2008 at 11:55 AM, Fred Drake <fdrake at acm.org> wrote:

> They were failing for me a couple of days ago; checking now, they
> still are, and test_itertools has been added to the list of failing
> tests:
>
> test test_itertools failed -- Traceback (most recent call last):
>   File "/Users/fdrake/projects/python/py3k/Lib/test/
> test_itertools.py", line 698, in test_chain
>     self.assertRaises(TypeError, chain, N(s))
> AssertionError: TypeError not raised by chain
>

This looks like an easy one: line 698 of test_itertools.py should
be changed from

            self.assertRaises(TypeError, chain, N(s))

to

            self.assertRaises(TypeError, list, chain(N(s)))

Here N(s) is an instance of a class lacking a __next__
method; It looks like Raymond recently altered itertools.chain
to consume its arguments lazily, so the TypeError used to occur
as soon as chain(N(s)) was called, and now doesn't happen
until chain(N(s)).__next__ is first callled.

Shall I check in this fix?

Mark
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