Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_vector.py: 62%

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. 

26 

27import os 

28import sys 

29import atheris 

30 

31from pyrsistent._pvector import python_pvector 

32 

33 

34def TestOneInput(data): 

35 fdp = atheris.FuzzedDataProvider(data) 

36 

37 p = python_pvector([]) 

38 e = None 

39 

40 # Perform a sequence of arbitrary operations on the vector. 

41 ops_num = fdp.ConsumeIntInRange(5, 500) 

42 for i in range(ops_num): 

43 op = fdp.ConsumeIntInRange(1, 6) 

44 if op == 1: 

45 p = p.append(fdp.ConsumeIntInRange(1,2000)) 

46 elif op == 2: 

47 p.count(fdp.ConsumeIntInRange(1, 200)) 

48 elif op == 3: 

49 try: 

50 p = p.set(fdp.ConsumeIntInRange(1, 100), fdp.ConsumeIntInRange(1, 100)) 

51 except IndexError: 

52 pass 

53 elif op == 4: 

54 try: 

55 p = p.remove(fdp.ConsumeIntInRange(1,20)) 

56 except ValueError as exc: 

57 if "not in list" not in str(exc): 

58 raise exc 

59 elif op == 5: 

60 e = p.evolver() 

61 elif op == 6 and e != None: 

62 _ = len(e) 

63 

64 

65def main(): 

66 atheris.instrument_all() 

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

68 atheris.Fuzz() 

69 

70 

71if __name__ == "__main__": 

72 main()