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# encoding=UTF-8
# Copyright © 2016-2017 Jakub Wilk <jwilk@jwilk.net>
#
# This file is part of pdf2djvu.
#
# pdf2djvu is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# pdf2djvu is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
import contextlib
import re
import resource
import string
import sys
from tools import (
SkipTest,
case,
)
@contextlib.contextmanager
def vm_limit(limit):
code = 'import resource\nfor n in resource.getrlimit(resource.RLIMIT_AS):\n print(n)'
try:
RLIMIT_AS = resource.RLIMIT_AS
except AttributeError:
# OpenBSD doesn't have RLIMIT_AS;
# RLIMIT_DATA is good enough.
RLIMIT_AS = resource.RLIMIT_DATA
code = re.sub(r'_AS\b', '_DATA', code)
[lim_soft, lim_hard] = resource.getrlimit(RLIMIT_AS)
if lim_hard != resource.RLIM_INFINITY and lim_hard < limit:
limit = lim_hard
resource.setrlimit(RLIMIT_AS, (limit, lim_hard))
try:
r = case().run(sys.executable, '-c', code)
r.assert_(stdout=re.compile(''))
(cld_soft_lim, cld_hard_lim) = map(int, r.stdout.splitlines())
if cld_soft_lim != limit or cld_hard_lim != lim_hard:
message = 'virtual memory limit did not propagate to subprocess'
if sys.platform.rstrip(string.digits) == 'gnu':
raise SkipTest(message + ': https://savannah.gnu.org/bugs/?43320')
raise RuntimeError(message)
yield
finally:
resource.setrlimit(RLIMIT_AS, (lim_soft, lim_hard))
class test(case):
# Bug: https://github.com/jwilk/pdf2djvu/issues/107
# + fixed in 0.9.4 [fb1dcf60c77dfc39de80d60288449caf767d8b54]
def test(self):
with vm_limit(1 << 30): # 1 GiB virtual memory limit
r = self.pdf2djvu()
r.assert_(stderr=re.compile(
'Out of memory\n'
'|AddressSanitizer failed to allocate '
), rc=1)
# vim:ts=4 sts=4 sw=4 et
|
