oss-fuzz/projects/pyrsistent/fuzz_vector.py

62 lines
1.8 KiB
Python

#!/usr/bin/python3
# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import sys
import atheris
from pyrsistent._pvector import python_pvector
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
p = python_pvector([])
e = None
# Perform a sequence of arbitrary operations on the vector.
ops_num = fdp.ConsumeIntInRange(5, 500)
for i in range(ops_num):
op = fdp.ConsumeIntInRange(1, 6)
if op == 1:
p = p.append(fdp.ConsumeIntInRange(1,2000))
elif op == 2:
p.count(fdp.ConsumeIntInRange(1, 200))
elif op == 3:
try:
p = p.set(fdp.ConsumeIntInRange(1, 100), fdp.ConsumeIntInRange(1, 100))
except IndexError:
pass
elif op == 4:
try:
p = p.remove(fdp.ConsumeIntInRange(1,20))
except ValueError as exc:
if "not in list" not in str(exc):
raise exc
elif op == 5:
e = p.evolver()
elif op == 6 and e != None:
_ = len(e)
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()