Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_detector.py: 44%

1###### Coverage stub 

2import atexit 

3import coverage 

4cov = coverage.coverage(data_file='.coverage', cover_pylib=True) 

5cov.start() 

6# Register an exist handler that will print coverage 

7def exit_handler(): 

8 cov.stop() 

9 cov.save() 

10atexit.register(exit_handler) 

11####### End of coverage stub 

12#!/usr/bin/python3 

13# Copyright 2022 Google LLC 

14# 

15# Licensed under the Apache License, Version 2.0 (the "License"); 

16# you may not use this file except in compliance with the License. 

17# You may obtain a copy of the License at 

18# 

19# http://www.apache.org/licenses/LICENSE-2.0 

20# 

21# Unless required by applicable law or agreed to in writing, software 

22# distributed under the License is distributed on an "AS IS" BASIS, 

23# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

24# See the License for the specific language governing permissions and 

25# limitations under the License. 

26import sys 

27import atheris 

28import chardet 

29 

30 

31def TestOneInput(data): 

32 fdp = atheris.FuzzedDataProvider(data) 

33 

34 # General detection. 

35 chardet.detect(data) 

36 

37 # Incremental feeding> 

38 detector = chardet.universaldetector.UniversalDetector() 

39 for b in data: 

40 detector.feed(b) 

41 if detector.done: 

42 break 

43 detector.close() 

44 res = detector.result 

45 

46 

47def main(): 

48 atheris.instrument_all() 

49 atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True) 

50 atheris.Fuzz() 

51 

52 

53if __name__ == "__main__": 

54 main()