#6780: fix starts/endswith error message to mention that tuples are accepted too.
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index ae4c355..bd43dbc 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -442,6 +442,17 @@
return u'\u1234'
self.assertEqual('%s' % Wrapper(), u'\u1234')
+ def test_startswith_endswith_errors(self):
+ for meth in (u'foo'.startswith, u'foo'.endswith):
+ with self.assertRaises(UnicodeDecodeError):
+ meth('\xff')
+ with self.assertRaises(TypeError) as cm:
+ meth(['f'])
+ exc = str(cm.exception)
+ self.assertIn('unicode', exc)
+ self.assertIn('str', exc)
+ self.assertIn('tuple', exc)
+
@test_support.run_with_locale('LC_ALL', 'de_DE', 'fr_FR')
def test_format_float(self):
# should not format with a comma, but always with C locale