Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/scipy/io/matlab/tests/test_pathological.py

33 lines
1 KiB
Python

""" Test reading of files not conforming to matlab specification
We try and read any file that matlab reads, these files included
"""
from os.path import dirname, join as pjoin
from numpy.testing import assert_
from pytest import raises as assert_raises
from scipy.io.matlab.mio import loadmat
TEST_DATA_PATH = pjoin(dirname(__file__), 'data')
def test_multiple_fieldnames():
# Example provided by Dharhas Pothina
# Extracted using mio5.varmats_from_mat
multi_fname = pjoin(TEST_DATA_PATH, 'nasty_duplicate_fieldnames.mat')
vars = loadmat(multi_fname)
funny_names = vars['Summary'].dtype.names
assert_(set(['_1_Station_Q', '_2_Station_Q',
'_3_Station_Q']).issubset(funny_names))
def test_malformed1():
# Example from gh-6072
# Contains malformed header data, which previously resulted into a
# buffer overflow.
#
# Should raise an exception, not segfault
fname = pjoin(TEST_DATA_PATH, 'malformed1.mat')
with open(fname, 'rb') as f:
assert_raises(ValueError, loadmat, f)