Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_bytebuffer.py: 50%

32 statements  

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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 atheris 

28import sys 

29import os 

30with atheris.instrument_imports(): 

31 from smart_open.bytebuffer import ByteBuffer 

32 

33def TestInput(data): 

34 fdp = atheris.FuzzedDataProvider(data) 

35 

36 chunk_size = fdp.ConsumeIntInRange(1,100) 

37 message_byte = [] 

38 for i in range(1,fdp.ConsumeIntInRange(1,10)): 

39 message_byte.append(fdp.ConsumeBytes(chunk_size)) 

40 

41 buffer = ByteBuffer(chunk_size = fdp.ConsumeIntInRange(1,100)) 

42 

43 buffer.empty() 

44 buffer.fill(iter(message_byte)) 

45 buffer.peek() 

46 buffer.read(fdp.ConsumeIntInRange(1,chunk_size)) 

47 buffer.readline(fdp.ConsumeBytes(1)) 

48 buffer.empty() 

49 

50def main(): 

51 atheris.Setup(sys.argv, TestInput, enable_python_coverage=True) 

52 atheris.instrument_all() 

53 atheris.Fuzz() 

54 

55if __name__ == "__main__": 

56 main()