mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-09-17 22:20:23 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

startswith and endswith don't accept None as slice index. Patch by Torsten Becker. (closes #11828)

Browse source
This commit is contained in:
Jesus Cea 2011-04-20 16:39:15 +02:00
parent 0d65433568
commit 44e81687a2
8 changed files with 197 additions and 64 deletions
Download patch file Download diff file Expand all files Collapse all files

57
Lib/test/string_tests.py
View file

@ -1177,6 +1177,63 @@ class MixinStrUnicodeUserStringTest:
# mixed use of str and unicode
self.assertEqual('a/b/c'.rpartition(u'/'), ('a/b', '/', 'c'))
def test_none_arguments(self):
# issue 11828
s = 'hello'
self.checkequal(2, s, 'find', 'l', None)
self.checkequal(3, s, 'find', 'l', -2, None)
self.checkequal(2, s, 'find', 'l', None, -2)
self.checkequal(0, s, 'find', 'h', None, None)
self.checkequal(3, s, 'rfind', 'l', None)
self.checkequal(3, s, 'rfind', 'l', -2, None)
self.checkequal(2, s, 'rfind', 'l', None, -2)
self.checkequal(0, s, 'rfind', 'h', None, None)
self.checkequal(2, s, 'index', 'l', None)
self.checkequal(3, s, 'index', 'l', -2, None)
self.checkequal(2, s, 'index', 'l', None, -2)
self.checkequal(0, s, 'index', 'h', None, None)
self.checkequal(3, s, 'rindex', 'l', None)
self.checkequal(3, s, 'rindex', 'l', -2, None)
self.checkequal(2, s, 'rindex', 'l', None, -2)
self.checkequal(0, s, 'rindex', 'h', None, None)
self.checkequal(2, s, 'count', 'l', None)
self.checkequal(1, s, 'count', 'l', -2, None)
self.checkequal(1, s, 'count', 'l', None, -2)
self.checkequal(0, s, 'count', 'x', None, None)
self.checkequal(True, s, 'endswith', 'o', None)
self.checkequal(True, s, 'endswith', 'lo', -2, None)
self.checkequal(True, s, 'endswith', 'l', None, -2)
self.checkequal(False, s, 'endswith', 'x', None, None)
self.checkequal(True, s, 'startswith', 'h', None)
self.checkequal(True, s, 'startswith', 'l', -2, None)
self.checkequal(True, s, 'startswith', 'h', None, -2)
self.checkequal(False, s, 'startswith', 'x', None, None)
def test_find_etc_raise_correct_error_messages(self):
# issue 11828
s = 'hello'
x = 'x'
self.assertRaisesRegexp(TypeError, r'\bfind\b', s.find,
x, None, None, None)
self.assertRaisesRegexp(TypeError, r'\brfind\b', s.rfind,
x, None, None, None)
self.assertRaisesRegexp(TypeError, r'\bindex\b', s.index,
x, None, None, None)
self.assertRaisesRegexp(TypeError, r'\brindex\b', s.rindex,
x, None, None, None)
self.assertRaisesRegexp(TypeError, r'^count\(', s.count,
x, None, None, None)
self.assertRaisesRegexp(TypeError, r'^startswith\(', s.startswith,
x, None, None, None)
self.assertRaisesRegexp(TypeError, r'^endswith\(', s.endswith,
x, None, None, None)
class MixinStrStringUserStringTest:
# Additional tests for 8bit strings, i.e. str, UserString and
# the string module