text: #!/usr/bin/env python3
  #
  # test_codecencodings_tw.py
  #   Codec encoding tests for ROC encodings.
  #
  
  from test import support
  from test import multibytecodec_support
  import unittest
  
  class Test_Big5(multibytecodec_support.TestBase, unittest.TestCase):
      encoding = 'big5'
      tstring = multibytecodec_support.load_teststring('big5')
      codectests = (
          # invalid bytes
          (b"abc\x80\x80\xc1\xc4", "strict",  None),
          (b"abc\xc8", "strict",  None),
          (b"abc\x80\x80\xc1\xc4", "replace", "abc\ufffd\ufffd\u8b10"),
          (b"abc\x80\x80\xc1\xc4\xc8", "replace", "abc\ufffd\ufffd\u8b10\ufffd"),
          (b"abc\x80\x80\xc1\xc4", "ignore",  "abc\u8b10"),
      )
  
  def test_main():
      support.run_unittest(__name__)
  
  if __name__ == "__main__":
      test_main()
  