Issue #5828 (Invalid behavior of unicode.lower): Fixed bogus logic in
makeunicodedata.py and regenerated the Unicode database (This fixes
u'\u1d79'.lower() == '\x00').
diff --git a/Lib/test/test_unicodedata.py b/Lib/test/test_unicodedata.py
index 84999e5..18f37f8 100644
--- a/Lib/test/test_unicodedata.py
+++ b/Lib/test/test_unicodedata.py
@@ -20,7 +20,7 @@
class UnicodeMethodsTest(unittest.TestCase):
# update this, if the database changes
- expectedchecksum = 'aef99984a58c8e1e5363a3175f2ff9608599a93e'
+ expectedchecksum = 'b7db9b5f1d804976fa921d2009cbef6f025620c1'
def test_method_checksum(self):
h = hashlib.sha1()
@@ -257,6 +257,19 @@
# the upper-case mapping: as delta, or as absolute value
self.assert_(u"a".upper()==u'A')
self.assert_(u"\u1d79".upper()==u'\ua77d')
+ self.assert_(u".".upper()==u".")
+
+ def test_bug_5828(self):
+ self.assertEqual(u"\u1d79".lower(), u"\u1d79")
+ # Only U+0000 should have U+0000 as its upper/lower/titlecase variant
+ self.assertEqual(
+ [
+ c for c in range(sys.maxunicode+1)
+ if u"\x00" in unichr(c).lower()+unichr(c).upper()+unichr(c).title()
+ ],
+ [0]
+ )
+
def test_main():
test.test_support.run_unittest(