Content - 3879967ddb860fa780d0041379d64132aabcb634 - e6c4fa9/Lib/test/test_difflib.py

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v0.5.1

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https://github.com/python/cpython

09 December 2020, 11:06:31 UTC

Tip revision: 59874c0197d3eeeda9abb170dbd86a42faa002fb authored by cvs2svn on 19 December 2003, 02:06:06 UTC
This commit was manufactured by cvs2svn to create tag 'r233'.

Tip revision: 59874c0

test_difflib.py

import difflib
from test import test_support
import unittest
import doctest

class TestSFbugs(unittest.TestCase):

    def test_ratio_for_null_seqn(self):
        # Check clearing of SF bug 763023
        s = difflib.SequenceMatcher(None, [], [])
        self.assertEqual(s.ratio(), 1)
        self.assertEqual(s.quick_ratio(), 1)
        self.assertEqual(s.real_quick_ratio(), 1)

Doctests = doctest.DocTestSuite(difflib)

test_support.run_unittest(TestSFbugs, Doctests)