angr/tests/analyses/test_bindiff.py
Kevin Phoenix f939c5b88c
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2026-06-02 14:48:07 -07:00

52 lines
1.8 KiB
Python
Executable file

#!/usr/bin/env python3
from __future__ import annotations
__package__ = __package__ or "tests.analyses" # pylint:disable=redefined-builtin
import logging
import os
import unittest
import angr
from tests.common import bin_location
l = logging.getLogger("angr.tests.test_bindiff")
test_location = os.path.join(bin_location, "tests")
# todo make a better test
# pylint: disable=missing-class-docstring
# pylint: disable=no-self-use
class TestBindiff(unittest.TestCase):
def test_bindiff_x86_64(self):
binary_path_1 = os.path.join(test_location, "x86_64", "bindiff_a")
binary_path_2 = os.path.join(test_location, "x86_64", "bindiff_b")
b = angr.Project(binary_path_1, load_options={"auto_load_libs": False})
b2 = angr.Project(binary_path_2, load_options={"auto_load_libs": False})
bindiff = b.analyses.BinDiff(b2)
identical_functions = bindiff.identical_functions
differing_functions = bindiff.differing_functions
unmatched_functions = bindiff.unmatched_functions
# check identical functions
assert (0x40064C, 0x40066A) in identical_functions
# check differing functions
assert (0x400616, 0x400616) in differing_functions
# check unmatched functions
assert len(unmatched_functions[0]) <= 1
assert len(unmatched_functions[1]) <= 2
# check for no major regressions
assert len(identical_functions) > len(differing_functions)
assert len(differing_functions) < 4
# check a function diff
fdiff = bindiff.get_function_diff(0x400616, 0x400616)
block_matches = {(a.addr, b.addr) for a, b in fdiff.block_matches}
assert (0x40064A, 0x400668) in block_matches
assert (0x400616, 0x400616) in block_matches
assert (0x40061E, 0x40061E) in block_matches
if __name__ == "__main__":
unittest.main()