diff options
-rw-r--r-- | Lib/test/test_unicode.py | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py index b13a90a..46c98bd 100644 --- a/Lib/test/test_unicode.py +++ b/Lib/test/test_unicode.py @@ -981,6 +981,21 @@ class UnicodeTest(string_tests.CommonTest, self.assertRaises(ValueError, '{}'.format_map, 'a') self.assertRaises(ValueError, '{a} {}'.format_map, {"a" : 2, "b" : 1}) + def test_format_huge_precision(self): + format_string = ".{}f".format(sys.maxsize + 1) + with self.assertRaises(ValueError): + result = format(2.34, format_string) + + def test_format_huge_width(self): + format_string = "{}f".format(sys.maxsize + 1) + with self.assertRaises(ValueError): + result = format(2.34, format_string) + + def test_format_huge_item_number(self): + format_string = "{{{}:.6f}}".format(sys.maxsize + 1) + with self.assertRaises(ValueError): + result = format_string.format(2.34) + def test_format_auto_numbering(self): class C: def __init__(self, x=100): @@ -1069,6 +1084,18 @@ class UnicodeTest(string_tests.CommonTest, self.assertEqual('%.1s' % "a\xe9\u20ac", 'a') self.assertEqual('%.2s' % "a\xe9\u20ac", 'a\xe9') + @support.cpython_only + def test_formatting_huge_precision(self): + from _testcapi import INT_MAX + format_string = "%.{}f".format(INT_MAX + 1) + with self.assertRaises(ValueError): + result = format_string % 2.34 + + def test_formatting_huge_width(self): + format_string = "%{}f".format(sys.maxsize + 1) + with self.assertRaises(ValueError): + result = format_string % 2.34 + def test_startswith_endswith_errors(self): for meth in ('foo'.startswith, 'foo'.endswith): with self.assertRaises(TypeError) as cm: |