Coverage for /pythoncovmergedfiles/medio/medio/src/parso_extended_fuzz.py: 62%
42 statements
« prev ^ index » next coverage.py v7.2.2, created at 2023-03-26 07:36 +0000
« prev ^ index » next coverage.py v7.2.2, created at 2023-03-26 07:36 +0000
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
28import parso
31def fuzz_dump(data):
32 fdp = atheris.FuzzedDataProvider(data)
33 try:
34 module = parso.parse(fdp.ConsumeUnicodeNoSurrogates(sys.maxsize))
35 if module is not None:
36 module.dump()
37 except RecursionError:
38 # Not interesting
39 pass
42def fuzz_errors(data, version):
43 fdp = atheris.FuzzedDataProvider(data)
44 try:
45 grammar = parso.load_grammar(version = version)
46 module = grammar.parse(fdp.ConsumeUnicodeNoSurrogates(sys.maxsize))
47 grammar.iter_errors(module)
48 except RecursionError:
49 # Not interesting
50 pass
53def TestOneInput(data):
54 fuzz_dump(data)
55 fuzz_errors(data, '3.6')
56 fuzz_errors(data, '3.7')
57 fuzz_errors(data, '3.8')
58 fuzz_errors(data, '3.9')
59 fuzz_errors(data, '3.10')
60 fuzz_errors(data, '3.11')
61 fuzz_errors(data, '3.12')
64def main():
65 atheris.instrument_all()
66 atheris.Setup(sys.argv, TestOneInput)
67 atheris.Fuzz()
70if __name__ == "__main__":
71 main()