pqc/test/test_dynamic_memory.py
2019-04-10 17:03:02 -04:00

45 lines
1.3 KiB
Python

"""
Checks that no dynamic memory functions are used
"""
import pqclean
import helpers
import sys
import unittest
def test_dynamic_memory():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
if helpers.permit_test('dynamic_memory', implementation):
# Keep this loop outside, to allow multiple assertions
for function in ['malloc', 'free', 'realloc', 'calloc']:
yield (check_dynamic_memory, implementation, function)
@helpers.skip_windows()
def check_dynamic_memory(implementation, function):
# 'make' will take care of not rebuilding existing library files
helpers.make(working_dir=implementation.path())
scheme_name = implementation.scheme.name
out = helpers.run_subprocess(
['nm', '-g', 'lib{}_{}.a'.format(scheme_name, implementation.name)],
implementation.path()
)
lines = out.strip().split("\n")
for line in lines:
if 'U {}'.format(function) in line:
raise AssertionError(
"Illegal use of dynamic memory function '{}'".format(function))
if __name__ == '__main__':
try:
import nose2
nose2.main()
except ImportError:
import nose
nose.runmodule()