Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_io_mio5.py: 4%

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 2023 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 

28 

29from io import BytesIO 

30from scipy.io.matlab._mio5 import MatFile5Reader 

31 

32 

33def TestOneInput(data): 

34 if len(data) < 20: 

35 return 

36 try: 

37 stream = io.BytesIO(data) 

38 mat5_file_reader = MatFile5Reader(stream) 

39 mat5_file_reader.get_variables() 

40 except TypeError: 

41 # Runs into this fast. Not interesting. 

42 pass 

43 

44 

45def main(): 

46 atheris.instrument_all() 

47 atheris.Setup(sys.argv, TestOneInput) 

48 atheris.Fuzz() 

49 

50 

51if __name__ == "__main__": 

52 main()