diff options
Diffstat (limited to 'Lib/test/test_range.py')
-rw-r--r-- | Lib/test/test_range.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/test_range.py b/Lib/test/test_range.py index 73cbcc4717d..30fa129b50e 100644 --- a/Lib/test/test_range.py +++ b/Lib/test/test_range.py @@ -91,6 +91,19 @@ class RangeTest(unittest.TestCase): r = range(-sys.maxsize, sys.maxsize, 2) self.assertEqual(len(r), sys.maxsize) + def test_range_constructor_error_messages(self): + with self.assertRaisesRegex( + TypeError, + "range expected at least 1 argument, got 0" + ): + range() + + with self.assertRaisesRegex( + TypeError, + "range expected at most 3 arguments, got 6" + ): + range(1, 2, 3, 4, 5, 6) + def test_large_operands(self): x = range(10**20, 10**20+10, 3) self.assertEqual(len(x), 4) |