_testbuffer.get_contiguous() doesn't check input arguments

[vstinner]

BPO	15770
Nosy	@vstinner, @skrah
Files	_testbuffer.patch

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2012-08-23.13:59:47.709>
created_at = <Date 2012-08-23.08:07:37.182>
labels = ['type-bug', 'library']
title = "_testbuffer.get_contiguous() doesn't check input arguments"
updated_at = <Date 2012-08-23.13:59:47.708>
user = 'https://github.com/vstinner'

bugs.python.org fields:

activity = <Date 2012-08-23.13:59:47.708>
actor = 'skrah'
assignee = 'none'
closed = True
closed_date = <Date 2012-08-23.13:59:47.709>
closer = 'skrah'
components = ['Library (Lib)']
creation = <Date 2012-08-23.08:07:37.182>
creator = 'vstinner'
dependencies = []
files = ['26968']
hgrepos = []
issue_num = 15770
keywords = ['patch']
message_count = 3.0
messages = ['168928', '168942', '168943']
nosy_count = 3.0
nosy_names = ['vstinner', 'skrah', 'python-dev']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue15770'
versions = ['Python 3.3']

[vstinner]

_testbuffer.get_contiguous() abort with an assertion error if it gets invalid arguments. Attached patch adds tests for valid values.

I found this bug using my fuzzer (fusil).

[python-dev]

New changeset fa745ed89b7a by Stefan Krah in branch 'default':
Issue bpo-15770: Check invalid arguments in test function. Patch by Victor Stinner.
http://hg.python.org/cpython/rev/fa745ed89b7a

[skrah]

Thanks, fixed.