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-rw-r--r--Lib/test/test_unicode.py7
1 files changed, 5 insertions, 2 deletions
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index 6f5d40f..ffe3e82 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -1231,8 +1231,11 @@ class UnicodeTest(string_tests.CommonTest,
0, 1, 2, 3, 4, 5, 6, 7)
# string format spec errors
- self.assertRaises(ValueError, "{0:-s}".format, '')
- self.assertRaises(ValueError, format, "", "-")
+ sign_msg = "Sign not allowed in string format specifier"
+ self.assertRaisesRegex(ValueError, sign_msg, "{0:-s}".format, '')
+ self.assertRaisesRegex(ValueError, sign_msg, format, "", "-")
+ space_msg = "Space not allowed in string format specifier"
+ self.assertRaisesRegex(ValueError, space_msg, "{: }".format, '')
self.assertRaises(ValueError, "{0:=s}".format, '')
# Alternate formatting is not supported