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# Copyright 2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import array
import tempfile
from portage import _unicode_decode
from portage import _unicode_encode
from portage.tests import TestCase
class ArrayFromfileEofTestCase(TestCase):
def testArrayFromfileEof(self):
# This tests if the following python issue is fixed
# in the currently running version of python:
# http://bugs.python.org/issue5334
input_data = "an arbitrary string"
input_bytes = _unicode_encode(input_data,
encoding='utf_8', errors='strict')
f = tempfile.TemporaryFile()
f.write(input_bytes)
f.seek(0)
data = []
eof = False
while not eof:
a = array.array('B')
try:
a.fromfile(f, len(input_bytes) + 1)
except (EOFError, IOError):
# python-3.0 lost data here
eof = True
if not a:
eof = True
else:
data.append(_unicode_decode(a.tostring(),
encoding='utf_8', errors='strict'))
f.close()
self.assertEqual(input_data, ''.join(data))
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