#!/usr/bin/python3
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import atheris
import xml
import prompt_toolkit


def fuzz_html(data):
  fdp = atheris.FuzzedDataProvider(data)
  try:
    html = prompt_toolkit.formatted_text.HTML(
        fdp.ConsumeUnicodeNoSurrogates(sys.maxsize))
  except xml.parsers.expat.ExpatError:
    return
  prompt_toolkit.formatted_text.to_formatted_text(html)


def fuzz_ansi(data):
  fdp = atheris.FuzzedDataProvider(data)
  ansi = prompt_toolkit.formatted_text.ANSI(
      fdp.ConsumeUnicodeNoSurrogates(sys.maxsize))
  prompt_toolkit.formatted_text.to_formatted_text(ansi)


def TestOneInput(data):
  fuzz_html(data)
  fuzz_ansi(data)


def main():
  atheris.instrument_all()
  atheris.Setup(sys.argv, TestOneInput)
  atheris.Fuzz()


if __name__ == "__main__":
  main()