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pqcrypto/test/test_dynamic_memory.py
Thom Wiggers 2eaf382689 Add support for specifying architecture and feature limits (#224)
* Add support for specifying architecture and feature limits

* cpuinfo not supported on ppc

* Detect 32-bit python interpreter on 64-bit CPU

* Fix bugs in isolated tests

* Also support restricting operating system
2019-09-06 12:01:44 +02:00

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1.2 KiB
Python

"""
Checks that no dynamic memory functions are used
"""
import pytest
import helpers
import pqclean
@pytest.mark.parametrize(
'implementation,test_dir,impl_path, init, destr',
[(impl, *helpers.isolate_test_files(impl.path(), 'test_functest_'))
for impl in pqclean.Scheme.all_supported_implementations()],
ids=[str(impl) for impl in pqclean.Scheme.all_supported_implementations()],
)
@helpers.skip_windows()
@helpers.filtered_test
def test_dynamic_memory(implementation, test_dir, impl_path, init, destr):
init()
# 'make' will take care of not rebuilding existing library files
helpers.make(working_dir=impl_path)
scheme_name = implementation.scheme.name
out = helpers.run_subprocess(
['nm', '-g', 'lib{}_{}.a'.format(scheme_name, implementation.name)],
impl_path,
)
lines = out.strip().split("\n")
for line in lines:
for function in ['malloc', 'free', 'realloc', 'calloc']:
if line.endswith('U {}'.format(function)):
raise AssertionError(
"Illegal use of dynamic memory function "
"'{function}'".format(function=function))
destr()
if __name__ == '__main__':
import sys
pytest.main(sys.argv)